Initial checking of the libpng library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11149 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/libpng/scripts/SCOPTIONS.ppc b/runtime/libpng/scripts/SCOPTIONS.ppc
new file mode 100644
index 0000000..2c3503e
--- /dev/null
+++ b/runtime/libpng/scripts/SCOPTIONS.ppc
@@ -0,0 +1,7 @@
+OPTIMIZE
+OPTPEEP
+OPTTIME
+OPTSCHED
+AUTOREGISTER
+PARMS=REGISTERS
+INCLUDEDIR=hlp:ppc/include
diff --git a/runtime/libpng/scripts/descrip.mms b/runtime/libpng/scripts/descrip.mms
new file mode 100644
index 0000000..3584b0d
--- /dev/null
+++ b/runtime/libpng/scripts/descrip.mms
@@ -0,0 +1,52 @@
+
+cc_defs = /inc=$(ZLIBSRC)
+c_deb =
+
+.ifdef __DECC__
+pref = /prefix=all
+.endif
+
+
+
+OBJS = png.obj, pngset.obj, pngget.obj, pngrutil.obj, pngtrans.obj,\
+ pngwutil.obj, pngread.obj, pngmem.obj, pngwrite.obj, pngrtran.obj,\
+ pngwtran.obj, pngrio.obj, pngwio.obj, pngerror.obj, pngpread.obj
+
+
+CFLAGS= $(C_DEB) $(CC_DEFS) $(PREF)
+
+all : pngtest.exe libpng.olb
+ @ write sys$output " pngtest available"
+
+libpng.olb : libpng.olb($(OBJS))
+ @ write sys$output " Libpng available"
+
+
+pngtest.exe : pngtest.obj libpng.olb
+ link pngtest,libpng.olb/lib,$(ZLIBSRC)libz.olb/lib
+
+test : pngtest.exe
+ run pngtest
+
+clean :
+ delete *.obj;*,*.exe;*
+
+
+# Other dependencies.
+png.obj : png.h, pngconf.h
+pngpread.obj : png.h, pngconf.h
+pngset.obj : png.h, pngconf.h
+pngget.obj : png.h, pngconf.h
+pngread.obj : png.h, pngconf.h
+pngrtran.obj : png.h, pngconf.h
+pngrutil.obj : png.h, pngconf.h
+pngerror.obj : png.h, pngconf.h
+pngmem.obj : png.h, pngconf.h
+pngrio.obj : png.h, pngconf.h
+pngwio.obj : png.h, pngconf.h
+pngtest.obj : png.h, pngconf.h
+pngtrans.obj : png.h, pngconf.h
+pngwrite.obj : png.h, pngconf.h
+pngwtran.obj : png.h, pngconf.h
+pngwutil.obj : png.h, pngconf.h
+
diff --git a/runtime/libpng/scripts/libpng-config-body.in b/runtime/libpng/scripts/libpng-config-body.in
new file mode 100755
index 0000000..b466432
--- /dev/null
+++ b/runtime/libpng/scripts/libpng-config-body.in
@@ -0,0 +1,96 @@
+
+usage()
+{
+ cat <<EOF
+Usage: libpng-config [OPTION] ...
+
+Known values for OPTION are:
+
+ --prefix print libpng prefix
+ --libdir print path to directory containing library
+ --libs print library linking information
+ --ccopts print compiler options
+ --cppflags print pre-processor flags
+ --cflags print preprocessor flags, I_opts, and compiler options
+ --I_opts print "-I" include options
+ --L_opts print linker "-L" flags for dynamic linking
+ --R_opts print dynamic linker "-R" or "-rpath" flags
+ --ldopts print linker options
+ --ldflags print linker flags (ldopts, L_opts, R_opts, and libs)
+ --static revise subsequent outputs for static linking
+ --help print this help and exit
+ --version print version information
+EOF
+
+ exit $1
+}
+
+if test $# -eq 0; then
+ usage 1
+fi
+
+while test $# -gt 0; do
+ case "$1" in
+
+ --prefix)
+ echo ${prefix}
+ ;;
+
+ --version)
+ echo ${version}
+ exit 0
+ ;;
+
+ --help)
+ usage 0
+ ;;
+
+ --ccopts)
+ echo ${ccopts}
+ ;;
+
+ --cppflags)
+ echo ${cppflags}
+ ;;
+
+ --cflags)
+ echo ${I_opts} ${cppflags} ${ccopts}
+ ;;
+
+ --libdir)
+ echo ${libdir}
+ ;;
+
+ --libs)
+ echo ${libs}
+ ;;
+
+ --I_opts)
+ echo ${I_opts}
+ ;;
+
+ --L_opts)
+ echo ${L_opts}
+ ;;
+
+ --R_opts)
+ echo ${R_opts}
+ ;;
+
+ --ldflags)
+ echo ${ldflags} ${L_opts} ${R_opts} ${libs}
+ ;;
+
+ --static)
+ R_opts=""
+ ;;
+
+ *)
+ usage
+ exit 1
+ ;;
+ esac
+ shift
+done
+
+exit 0
diff --git a/runtime/libpng/scripts/libpng-config-head.in b/runtime/libpng/scripts/libpng-config-head.in
new file mode 100755
index 0000000..0f64fa4
--- /dev/null
+++ b/runtime/libpng/scripts/libpng-config-head.in
@@ -0,0 +1,21 @@
+#! /bin/sh
+
+# libpng-config
+# provides configuration info for libpng.
+
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Modeled after libxml-config.
+
+version=1.2.5
+prefix=""
+libdir=""
+libs=""
+I_opts=""
+L_opts=""
+R_opts=""
+cppflags=""
+ccopts=""
+ldopts=""
+
diff --git a/runtime/libpng/scripts/libpng.icc b/runtime/libpng/scripts/libpng.icc
new file mode 100644
index 0000000..f9c51af
--- /dev/null
+++ b/runtime/libpng/scripts/libpng.icc
@@ -0,0 +1,44 @@
+// Project file for libpng (static)
+// IBM VisualAge/C++ version 4.0 or later
+// Copyright (C) 2000 Cosmin Truta
+// For conditions of distribution and use, see copyright notice in png.h
+// Notes:
+// All modules are compiled in C mode
+// Tested with IBM VAC++ 4.0 under Win32
+// Expected to work with IBM VAC++ 4.0 or later under OS/2 and Win32
+// Can be easily adapted for IBM VAC++ 4.0 or later under AIX
+// For conditions of distribution and use, see copyright notice in png.h
+
+option incl(searchpath, "../zlib"), opt(level, "2"),
+ link(libsearchpath, "../zlib")
+{
+ target type(lib) "libpng.lib"
+ {
+ source type(c) "png.c"
+ source type(c) "pngerror.c"
+ source type(c) "pngget.c"
+ source type(c) "pngmem.c"
+ source type(c) "pngpread.c"
+ source type(c) "pngread.c"
+ source type(c) "pngrio.c"
+ source type(c) "pngrtran.c"
+ source type(c) "pngrutil.c"
+ source type(c) "pngset.c"
+ source type(c) "pngtrans.c"
+ source type(c) "pngwio.c"
+ source type(c) "pngwrite.c"
+ source type(c) "pngwtran.c"
+ source type(c) "pngwutil.c"
+ }
+}
+
+option incl(searchpath, "../zlib"), opt(level, "2"),
+ link(libsearchpath, "../zlib")
+{
+ target type(exe) "pngtest.exe"
+ {
+ source type(c) "pngtest.c"
+ source type(lib) "libpng.lib"
+ source type(lib) "zlib.lib"
+ }
+}
diff --git a/runtime/libpng/scripts/libpng.pc.in b/runtime/libpng/scripts/libpng.pc.in
new file mode 100644
index 0000000..32ed4a9
--- /dev/null
+++ b/runtime/libpng/scripts/libpng.pc.in
@@ -0,0 +1,11 @@
+
+prefix=@PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${exec_prefix}/include
+
+Name: libpng12
+Description: Loads and saves PNG files
+Version: 1.2.5
+Libs: -L${libdir} -lpng12 -lz -lm
+Cflags: -I${includedir}/libpng12
diff --git a/runtime/libpng/scripts/makefile.32sunu b/runtime/libpng/scripts/makefile.32sunu
new file mode 100644
index 0000000..5bd0941
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.32sunu
@@ -0,0 +1,224 @@
+# makefile for libpng on Solaris 2.x with cc
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=cc
+SUN_CC_FLAGS=-fast -xtarget=ultra
+SUN_LD_FLAGS=-fast -xtarget=ultra
+
+# where make install puts libpng.a, libpng12.so and libpng12/png.h
+prefix=/a
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk. If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+ # $(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo libdir=\"$(LIBPATH)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-R$(LIBPATH)\"; \
+ echo ccopts=\"-xtarget=ultra\"; \
+ echo ldopts=\"-xtarget=ultra\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ @case "`type ld`" in *ucb*) \
+ echo; \
+ echo '## WARNING:'; \
+ echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+ echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
+ echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+ echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+ echo '## at all. If it is, things are likely to break because of'; \
+ echo '## the libucb dependency that is created.'; \
+ echo; \
+ ;; \
+ esac
+ $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGVER)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/libpng12.pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/libpng12.pc
+ chmod 644 $(DL)/pkgconfig/libpng12.pc
+ (cd $(DL)/pkgconfig; ln -f -s libpng12.pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/libpng12-config
+ cp libpng-config $(DB)/libpng12-config
+ chmod 755 $(DB)/libpng12-config
+ (cd $(DB); ln -sf libpng12-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags` \
+ $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.64sunu b/runtime/libpng/scripts/makefile.64sunu
new file mode 100644
index 0000000..a9b40f2
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.64sunu
@@ -0,0 +1,224 @@
+# makefile for libpng on Solaris 2.x with cc
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=cc
+SUN_CC_FLAGS=-fast -xtarget=ultra -xarch=v9
+SUN_LD_FLAGS=-fast -xtarget=ultra -xarch=v9
+
+# where make install puts libpng.a, libpng12.so and libpng12/png.h
+prefix=/a
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk. If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
+ # $(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo libdir=\"$(LIBPATH)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-R$(LIBPATH)\"; \
+ echo ccopts=\"-xtarget=ultra -xarch=v9\"; \
+ echo ldopts=\"-xtarget=ultra -xarch=v9\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ @case "`type ld`" in *ucb*) \
+ echo; \
+ echo '## WARNING:'; \
+ echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+ echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
+ echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+ echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+ echo '## at all. If it is, things are likely to break because of'; \
+ echo '## the libucb dependency that is created.'; \
+ echo; \
+ ;; \
+ esac
+ $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h $(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJSDLL)
+ $(LD) -G -L$(ZLIBLIB) -R$(ZLIBLIB) -h libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ).$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGVER)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) $(SUN_CC_FLAGS) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags ` \
+ $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB)
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.acorn b/runtime/libpng/scripts/makefile.acorn
new file mode 100644
index 0000000..470cf89
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.acorn
@@ -0,0 +1,51 @@
+# Project: libpng
+
+
+# Toolflags:
+CCflags = -c -depend !Depend -IC:,Zlib: -g -throwback -DRISCOS -fnah
+C++flags = -c -depend !Depend -IC: -throwback
+Linkflags = -aif -c++ -o $@
+ObjAsmflags = -throwback -NoCache -depend !Depend
+CMHGflags =
+LibFileflags = -c -l -o $@
+Squeezeflags = -o $@
+
+
+# Final targets:
+@.libpng-lib: @.o.png @.o.pngerror @.o.pngrio @.o.pngwio @.o.pngmem \
+ @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngrtran \
+ @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil
+ LibFile $(LibFileflags) @.o.png @.o.pngerror @.o.pngrio @.o.pngrtran \
+ @.o.pngmem @.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngwio \
+ @.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil
+@.mm-libpng-lib: @.mm.png @.mm.pngerror @.mm.pngrio @.mm.pngwio @.mm.pngmem \
+ @.mm.pngpread @.mm.pngset @.mm.pngget @.mm.pngread @.mm.pngrtran \
+ @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite @.mm.pngwtran @.mm.pngwutil
+ LibFile $(LibFileflags) @.mm.png @.mm.pngerror @.mm.pngrio \
+ @.mm.pngwio @.mm.pngmem @.mm.pngpread @.mm.pngset @.mm.pngget \
+ @.mm.pngread @.mm.pngrtran @.mm.pngrutil @.mm.pngtrans @.mm.pngwrite \
+ @.mm.pngwtran @.mm.pngwutil
+
+
+# User-editable dependencies:
+# (C) Copyright 1997 Tom Tanner
+Test: @.pngtest
+ <Prefix$Dir>.pngtest
+ @remove <Prefix$Dir>.pngtest
+
+#It would be nice if you could stop "make" listing from here on!
+@.pngtest: @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib
+ Link $(Linkflags) @.o.pngtest @.libpng-lib C:o.Stubs Zlib:zlib_lib
+
+.SUFFIXES: .o .mm .c
+
+.c.mm:
+ MemCheck.CC cc $(ccflags) -o $@ LibPng:$<
+.c.o:
+ cc $(ccflags) -o $@ $<
+
+
+# Static dependencies:
+
+
+# Dynamic dependencies:
diff --git a/runtime/libpng/scripts/makefile.aix b/runtime/libpng/scripts/makefile.aix
new file mode 100644
index 0000000..29cc6eb
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.aix
@@ -0,0 +1,104 @@
+# makefile for libpng using gcc (generic, static library)
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 2000 Cosmin Truta
+# Copyright (C) 2000 Marc O. Gloor (AIX support added, from makefile.gcc)
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Location of the zlib library and include files
+ZLIBINC = ../zlib
+ZLIBLIB = ../zlib
+
+# Compiler, linker, lib and other tools
+CC = gcc
+LD = $(CC)
+AR = ar rcs
+RANLIB = ranlib
+RM = rm -f
+
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DI=$(DESTDIR)/$(INCPATH)
+DL=$(DESTDIR)/$(LIBPATH)
+
+CDEBUG = -g -DPNG_DEBUG=5
+LDDEBUG =
+CRELEASE = -O2
+LDRELEASE = -s
+WARNMORE=-Wall
+CFLAGS = -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
+LDFLAGS = -L. -L$(ZLIBLIB) -lpng -lz -lm $(LDRELEASE)
+
+# File extensions
+O=.o
+A=.a
+E=
+
+# Variables
+OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
+ pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
+ pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
+
+# Targets
+all: libpng$(A) pngtest$(E)
+
+$(LIBNAME)$(A): $(OBJS)
+ $(AR) $@ $(OBJS)
+ $(RANLIB) $@
+
+test: pngtest$(E)
+ ./pngtest$(E)
+
+pngtest$(E): pngtest$(O) $(LIBNAME)$(A)
+ $(LD) -o $@ pngtest$(O) $(LDFLAGS)
+
+install: $(LIBNAME)$(A)
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/libpng ]; then mkdir $(DI)/libpng; fi
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@rm $(DI)/png.h
+ -@rm $(DI)/pngconf.h
+ cp png.h pngconf.h $(DI)/libpng
+ chmod 644 $(DI)/libpng/png.h \
+ cp $(LIBNAME)$(A) $(DL)
+ (cd $(DL); ln -f -s $(LIBNAME)$(A) libpng$(A))
+ $(DI)/libpng/pngconf.h
+ (cd $(DI); ln -f -s libpng/* .;)
+
+clean:
+ /bin/rm -f *.o $(LIBNAME)$(A) pngtest pngout.png
+
+png$(O): png.h pngconf.h
+pngerror$(O): png.h pngconf.h
+pngget$(O): png.h pngconf.h
+pngmem$(O): png.h pngconf.h
+pngpread$(O): png.h pngconf.h
+pngread$(O): png.h pngconf.h
+pngrio$(O): png.h pngconf.h
+pngrtran$(O): png.h pngconf.h
+pngrutil$(O): png.h pngconf.h
+pngset$(O): png.h pngconf.h
+pngtest$(O): png.h pngconf.h
+pngtrans$(O): png.h pngconf.h
+pngwio$(O): png.h pngconf.h
+pngwrite$(O): png.h pngconf.h
+pngwtran$(O): png.h pngconf.h
+pngwutil$(O): png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.amiga b/runtime/libpng/scripts/makefile.amiga
new file mode 100644
index 0000000..79cb424
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.amiga
@@ -0,0 +1,48 @@
+# Commodore Amiga Makefile
+# makefile for libpng and SAS C V6.5x compiler
+# Copyright (C) 1995-2000 Wolf Faust
+# For conditions of distribution and use, see copyright notice in png.h
+#
+# Note: Use #define PNG_READ_BIG_ENDIAN_SUPPORTED in pngconf.h
+#
+# Location/path of zlib include files
+ZLIB=/zlib
+#compiler
+CC=sc
+#compiler flags
+# WARNING: a bug in V6.51 causes bad code with OPTGO
+# So use V6.55 or set NOOPTGO!!!!!!!!!
+CFLAGS= NOSTKCHK PARMS=REG OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL\
+ OPTLOOP OPTRDEP=4 OPTDEP=4 OPTCOMP=4 INCLUDEDIR=$(ZLIB) \
+ DEFINE=PNG_INTERNAL
+#linker flags
+LDFLAGS= SD ND BATCH
+#link libs
+LDLIBS= libpng.lib libgz.lib LIB:scm.lib LIB:sc.lib Lib:amiga.lib
+# linker
+LN= slink
+# file deletion command
+RM= delete quiet
+# library (.lib) file creation command
+AR= oml
+# make directory command
+MKDIR= makedir
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.lib pngtest
+
+libpng.lib: $(OBJS)
+-$(RM) libpng.lib
+$(AR) libpng.lib r $(OBJS)
+
+pngtest: pngtest.o libpng.lib
+$(LN) <WITH <
+$(LDFLAGS)
+TO pngtest
+FROM LIB:c.o pngtest.o
+LIB $(LDLIBS)
+<
+
diff --git a/runtime/libpng/scripts/makefile.atari b/runtime/libpng/scripts/makefile.atari
new file mode 100644
index 0000000..9566d5d
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.atari
@@ -0,0 +1,51 @@
+# makefile for libpng
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+# modified for LC56/ATARI assumes libz.lib is in same dir and uses default
+# rules for library management
+#
+CFLAGS=-I..\zlib -O
+LBR = png.lib
+LDFLAGS=-lpng -lz -lm
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+OBJS = $(LBR)(png.o) $(LBR)(pngset.o) $(LBR)(pngget.o) $(LBR)(pngrutil.o)\
+ $(LBR)(pngtrans.o) $(LBR)(pngwutil.o)\
+ $(LBR)(pngread.o) $(LBR)(pngerror.o) $(LBR)(pngwrite.o)\
+ $(LBR)(pngrtran.o) $(LBR)(pngwtran.o)\
+ $(LBR)(pngmem.o) $(LBR)(pngrio.o) $(LBR)(pngwio.o) $(LBR)(pngpread.o)
+
+all: $(LBR) pngtest.ttp
+
+$(LBR): $(OBJS)
+
+pngtest.ttp: pngtest.o $(LBR)
+ $(CC) $(CFLAGS) $(LDFLAGS) -o$@ pngtest.o
+
+install: libpng.a
+ -@mkdir $(DESTDIR)$(INCPATH)
+ -@mkdir $(DESTDIR)$(INCPATH)/libpng
+ -@mkdir $(DESTDIR)$(LIBPATH)
+ -@rm -f $(DESTDIR)$(INCPATH)/png.h
+ -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
+ ln -f -s $(LIBNAME)/* .)
diff --git a/runtime/libpng/scripts/makefile.bc32 b/runtime/libpng/scripts/makefile.bc32
new file mode 100644
index 0000000..90b178b
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.bc32
@@ -0,0 +1,151 @@
+# Makefile for libpng
+# 32-bit Borland C++ (Note: All modules are compiled in C mode)
+# To build the library, do:
+# "make -fmakefile.bc32"
+#
+# -------------------- 32-bit Borland C++ --------------------
+
+### Absolutely necessary for this makefile to work
+.AUTODEPEND
+
+## Where zlib.h, zconf.h and zlib.lib are
+ZLIB_DIR=..\zlib
+
+
+## Compiler, linker and lib stuff
+CC=bcc32
+LD=bcc32
+LIB=tlib
+
+#TARGET_CPU=6
+# 3 = 386, 4 = 486, 5 = Pentium etc.
+!ifndef TARGET_CPU
+TARGET_CPU=5
+!endif
+
+# Use this if you don't want Borland's fancy exception handling
+NOEHLIB=noeh32.lib
+
+!ifdef DEBUG
+CDEBUG=-v
+LDEBUG=-v
+!else
+CDEBUG=
+LDEBUG=
+!endif
+
+# STACKOFLOW=1
+!ifdef STACKOFLOW
+CDEBUG=$(CDEBUG) -N
+LDEBUG=$(LDEBUG) -N
+!endif
+
+# -X- turn on dependency generation in the object file
+# -w set all warnings on
+# -O2 optimize for speed
+# -Z global optimization
+CFLAGS=-O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(CDEBUG)
+
+# -M generate map file
+LDFLAGS=-M -L$(ZLIB_DIR) $(LDEBUG)
+
+
+## Variables
+OBJS = \
+ png.obj \
+ pngerror.obj \
+ pngget.obj \
+ pngmem.obj \
+ pngpread.obj \
+ pngread.obj \
+ pngrio.obj \
+ pngrtran.obj \
+ pngrutil.obj \
+ pngset.obj \
+ pngtrans.obj \
+ pngwio.obj \
+ pngwrite.obj \
+ pngwtran.obj \
+ pngwutil.obj
+
+LIBOBJS = \
+ +png.obj \
+ +pngerror.obj \
+ +pngget.obj \
+ +pngmem.obj \
+ +pngpread.obj \
+ +pngread.obj \
+ +pngrio.obj \
+ +pngrtran.obj \
+ +pngrutil.obj \
+ +pngset.obj \
+ +pngtrans.obj \
+ +pngwio.obj \
+ +pngwrite.obj \
+ +pngwtran.obj \
+ +pngwutil.obj
+
+LIBNAME=libpng.lib
+
+
+## Implicit rules
+# Braces let make "batch" calls to the compiler,
+# 2 calls instead of 12; space is important.
+.c.obj:
+ $(CC) $(CFLAGS) -c {$*.c }
+
+.c.exe:
+ $(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBNAME) zlib.lib $(NOEHLIB)
+
+.obj.exe:
+ $(LD) $(LDFLAGS) $*.obj $(LIBNAME) zlib.lib $(NOEHLIB)
+
+
+## Major targets
+all: libpng pngtest
+
+libpng: $(LIBNAME)
+
+pngtest: pngtest.exe
+
+test: pngtest.exe
+ pngtest
+
+
+## Minor Targets
+
+png.obj: png.c
+pngerror.obj: pngerror.c
+pngget.obj: pngget.c
+pngmem.obj: pngmem.c
+pngpread.obj: pngpread.c
+pngread.obj: pngread.c
+pngrio.obj: pngrio.c
+pngrtran.obj: pngrtran.c
+pngrutil.obj: pngrutil.c
+pngset.obj: pngset.c
+pngtrans.obj: pngtrans.c
+pngwio.obj: pngwio.c
+pngwrite.obj: pngwrite.c
+pngwtran.obj: pngwtran.c
+pngwutil.obj: pngwutil.c
+
+
+$(LIBNAME): $(OBJS)
+ -del $(LIBNAME)
+ $(LIB) $(LIBNAME) @&&|
+$(LIBOBJS), libpng
+|
+
+
+# Clean up anything else you want
+clean:
+ -del *.obj
+ -del *.exe
+ -del *.lib
+ -del *.lst
+ -del *.map
+ -del *.tds
+
+
+# End of makefile for libpng
diff --git a/runtime/libpng/scripts/makefile.bd32 b/runtime/libpng/scripts/makefile.bd32
new file mode 100644
index 0000000..92a57ab
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.bd32
@@ -0,0 +1,76 @@
+# Makefile for png32bd.dll
+# -------------------- 32-bit Borland C++ --------------------
+
+# This makefile expects to find zlib.h and zlib32bd.lib in the
+# $(ZLIBDIR) directory.
+
+# The object files here are compiled with the "stdcall" calling convention.
+# This DLL requires zlib32bd.lib to be compiled in the same way.
+
+# Note that png32bd.dll exports the zlib functions adler32, crc32 and
+# the deflate... and inflate... functions. It does not export the
+# compress and uncompress functions, nor any of the gz... functions,
+# since libpng does not call them.
+
+.AUTODEPEND
+
+ZLIBDIR=..\zlib
+ZLIB=zlib32bd.lib
+PNGDLL=png32bd.dll
+PNGLIB=png32bd.lib
+
+CC=bcc32
+CFLAGS= -ps -O2 -N- -k- -d -r- -w-par -w-aus -I$(ZLIBDIR) \
+ -DPNG_NO_GLOBAL_ARRAYS #-DPNG_DEBUG=5
+#LINK=tlink32
+#LINK=ilink32
+LINK=bcc32
+#LINKFLAGS= -Tpd -aa -c
+LINKFLAGS= -WDE
+IMPLIB=implib
+
+# Use this if you don't want Borland's fancy exception handling
+NOEHLIB=noeh32.lib
+
+.c.obj:
+ $(CC) -c $(CFLAGS) $<
+
+.c.exe:
+ $(CC) $(CFLAGS) $< $(PNGLIB) $(NOEHLIB)
+
+
+OBJ1=png.obj pngerror.obj pngget.obj pngmem.obj pngpread.obj
+OBJ2=pngread.obj pngrio.obj pngrtran.obj pngrutil.obj pngset.obj
+OBJ3=pngtrans.obj pngwio.obj pngwrite.obj pngwtran.obj pngwutil.obj
+
+all: $(PNGDLL)
+
+test: pngtest.exe
+ pngtest
+
+
+$(PNGDLL): $(OBJ1) $(OBJ2) $(OBJ3) $(ZLIBDIR)\$(ZLIB)
+ $(LINK) @&&|
+$(LINKFLAGS)
+-e$(PNGDLL)
+$(OBJ1)
+$(OBJ2)
+$(OBJ3)
+$(ZLIBDIR)\$(ZLIB)
+$(NOEHLIB)
+|
+ $(IMPLIB) -c $(@R).lib $@
+
+
+# Clean up anything else you want
+clean:
+ -del *.obj
+ -del *.dll
+ -del *.exe
+ -del *.lib
+ -del *.lst
+ -del *.map
+ -del *.tds
+
+
+# End of makefile for png32bd.dll
diff --git a/runtime/libpng/scripts/makefile.beos b/runtime/libpng/scripts/makefile.beos
new file mode 100644
index 0000000..2609f03
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.beos
@@ -0,0 +1,199 @@
+# makefile for libpng on BeOS x86 ELF with gcc
+# modified from makefile.linux by Sander Stoks
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1999 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=gcc
+
+# Where the zlib library and include files are located
+ZLIBLIB=/usr/local/lib
+ZLIBINC=/usr/local/include
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+ALIGN=
+# For i386:
+# ALIGN=-malign-loops=2 -malign-functions=2
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+
+# On BeOS, -O1 is actually better than -O3. This is a known bug but it's
+# still here in R4.5
+CFLAGS=-I$(ZLIBINC) -Wall -O1 -funroll-loops \
+ $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
+# LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz -lm
+LDFLAGS=-L. -Wl,-soname=$(LIBNAME).so.$(PNGMAJ) -L$(ZLIBLIB) -lz -lm
+
+RANLIB=ranlib
+#RANLIB=echo
+
+# where make install puts libpng.a, libpng12.so*, and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+LIBNAME=libpng12
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS)
+
+.SUFFIXES: .c .o
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+ cp $(LIBNAME).so* /boot/home/config/lib
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ $(CC) -nostart -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) -o \
+ $(LIBNAME).so.$(PNGVER) $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJSDLL)
+ $(CC) -nostart -Wl,-soname,libpng.so.3 -o \
+ libpng.so.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -L$(ZLIBLIB) -lz -lpng12 -o pngtest pngtest.o
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) $(CFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtesti \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.bor b/runtime/libpng/scripts/makefile.bor
new file mode 100644
index 0000000..a5651aa
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.bor
@@ -0,0 +1,162 @@
+# Makefile for libpng
+# 16-bit Borland C++ (Note: All modules are compiled in C mode)
+# To build the library, do:
+# "make -fmakefile.bor -DMODEL=c"
+# or: "make -fmakefile.bor -DMODEL=l"
+#
+# ------------ Borland C++ ------------
+
+### Absolutely necessary for this makefile to work
+.AUTODEPEND
+
+## Where zlib.h, zconf.h and zlib_MODEL.lib are
+ZLIB_DIR=..\zlib
+
+
+## Compiler, linker and lib stuff
+CC=bcc
+LD=bcc
+LIB=tlib
+
+!ifndef MODEL
+MODEL=l
+!endif
+
+MODEL_ARG=-m$(MODEL)
+
+#TARGET_CPU=3
+# 2 = 286, 3 = 386, etc.
+!ifndef TARGET_CPU
+TARGET_CPU=2
+!endif
+
+# Use this if you don't want Borland's fancy exception handling
+# (for Borland C++ 4.0 or later)
+#NOEHLIB=noeh$(MODEL).lib
+
+!ifdef DEBUG
+CDEBUG=-v
+LDEBUG=-v
+!else
+CDEBUG=
+LDEBUG=
+!endif
+
+# STACKOFLOW=1
+!ifdef STACKOFLOW
+CDEBUG=$(CDEBUG) -N
+LDEBUG=$(LDEBUG) -N
+!endif
+
+# -X- turn on dependency generation in the object file
+# -w set all warnings on
+# -O2 optimize for speed
+# -Z global optimization
+CFLAGS=-O2 -Z -X- -w -I$(ZLIB_DIR) -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG)
+
+# -M generate map file
+LDFLAGS=-M -L$(ZLIB_DIR) $(MODEL_ARG) $(LDEBUG)
+
+
+## Variables
+OBJS = \
+ png.obj \
+ pngerror.obj \
+ pngget.obj \
+ pngmem.obj \
+ pngpread.obj \
+ pngread.obj \
+ pngrio.obj \
+ pngrtran.obj \
+ pngrutil.obj \
+ pngset.obj \
+ pngtrans.obj \
+ pngwio.obj \
+ pngwrite.obj \
+ pngwtran.obj \
+ pngwutil.obj
+
+LIBOBJS = \
+ +png.obj \
+ +pngerror.obj \
+ +pngget.obj \
+ +pngmem.obj \
+ +pngpread.obj \
+ +pngread.obj \
+ +pngrio.obj \
+ +pngrtran.obj \
+ +pngrutil.obj \
+ +pngset.obj \
+ +pngtrans.obj \
+ +pngwio.obj \
+ +pngwrite.obj \
+ +pngwtran.obj \
+ +pngwutil.obj
+
+LIBNAME=libpng$(MODEL).lib
+
+
+## Implicit rules
+# Braces let make "batch" calls to the compiler,
+# 2 calls instead of 12; space is important.
+.c.obj:
+ $(CC) $(CFLAGS) -c {$*.c }
+
+.c.exe:
+ $(CC) $(CFLAGS) $(LDFLAGS) $*.c $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
+
+
+## Major targets
+all: libpng pngtest
+
+libpng: $(LIBNAME)
+
+pngtest: pngtest$(MODEL).exe
+
+test: pngtest$(MODEL).exe
+ pngtest$(MODEL)
+
+
+## Minor Targets
+
+png.obj: png.c
+pngerror.obj: pngerror.c
+pngget.obj: pngget.c
+pngmem.obj: pngmem.c
+pngpread.obj: pngpread.c
+pngread.obj: pngread.c
+pngrio.obj: pngrio.c
+pngrtran.obj: pngrtran.c
+pngrutil.obj: pngrutil.c
+pngset.obj: pngset.c
+pngtrans.obj: pngtrans.c
+pngwio.obj: pngwio.c
+pngwrite.obj: pngwrite.c
+pngwtran.obj: pngwtran.c
+pngwutil.obj: pngwutil.c
+
+
+$(LIBNAME): $(OBJS)
+ -del $(LIBNAME)
+ $(LIB) $(LIBNAME) @&&|
+$(LIBOBJS), libpng$(MODEL)
+|
+
+
+pngtest$(MODEL).obj: pngtest.c
+ $(CC) $(CFLAGS) -opngtest$(MODEL) -c pngtest.c
+
+pngtest$(MODEL).exe: pngtest$(MODEL).obj
+ $(LD) $(LDFLAGS) pngtest$(MODEL).obj $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
+
+
+# Clean up anything else you want
+clean:
+ -del *.obj
+ -del *.exe
+ -del *.lib
+ -del *.lst
+ -del *.map
+
+
+# End of makefile for libpng
diff --git a/runtime/libpng/scripts/makefile.cygwin b/runtime/libpng/scripts/makefile.cygwin
new file mode 100644
index 0000000..a282bef
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.cygwin
@@ -0,0 +1,305 @@
+# makefile for cygwin on x86
+# Builds both dll (with import lib) and static lib versions
+# of the library, and builds two copies of pngtest: one
+# statically linked and one dynamically linked.
+#
+# Copyright (C) 2002 Soren Anderson, Charles Wilson, and Glenn Randers-Pehrson
+# based on makefile for linux-elf w/mmx by:
+# Copyright (C) 1998-2000 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# This makefile intends to support building outside the src directory
+# if desired. When invoking it, specify an argument to SRCDIR on the
+# command line that points to the top of the directory where your source
+# is located.
+
+ifdef SRCDIR
+VPATH = $(SRCDIR)
+else
+SRCDIR = .
+endif
+
+# Override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+
+DESTDIR=
+
+# To enable assembler optimizations, add '-DPNG_USE_PNGGCCRD' to
+# $CFLAGS, and include pnggccrd.o in $OBJS, below, and in the dependency
+# list at the bottom of this makefile.
+
+CC=gcc
+ifdef MINGW
+MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
+MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
+endif
+
+# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
+ifndef prefix
+prefix=/usr
+$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
+endif
+
+# Where the zlib library and include files are located
+ZLIBLIB= /usr/lib
+ZLIBINC=
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ALIGN=
+# for i386:
+#ALIGN=-malign-loops=2 -malign-functions=2
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+
+### if you use the asm, add pnggccrd.o to the OBJS list
+###
+### if you don't need thread safety, but want the asm accel
+#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD \
+# $(addprefix -I,$(ZLIBINC)) -Wall -O3 $(ALIGN) -funroll-loops \
+# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
+### if you need thread safety and want (minimal) asm accel
+#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_USE_PNGGCCRD $(addprefix -I,$(ZLIBINC)) \
+# -Wall -O3 $(ALIGN) -funroll-loops \
+# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
+### Normal (non-asm) compilation
+CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
+ -Wall -O3 $(ALIGN) -funroll-loops \
+ -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
+
+LIBNAME = libpng12
+PNGMAJ = 0
+CYGDLL = 12
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+SHAREDLIB=cygpng$(CYGDLL).dll
+STATLIB=libpng.a
+IMPLIB=libpng.dll.a
+SHAREDDEF=libpng.def
+LIBS=$(SHAREDLIB) $(STATLIB)
+EXE=.exe
+
+LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
+LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS) -Wl,--export-all)
+LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
+
+MKDIR=/bin/mkdir -pv
+RANLIB=ranlib
+#RANLIB=echo
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+BINPATH=$(prefix)/bin
+MANPATH=$(prefix)/man
+MAN3PATH=$(MANPATH)/man3
+MAN5PATH=$(MANPATH)/man5
+
+# cosmetic: shortened strings:
+S =$(SRCDIR)
+D =$(DESTDIR)
+DB =$(D)$(BINPATH)
+DI =$(D)$(INCPATH)
+DL =$(D)$(LIBPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o # pnggccrd.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+%.o : %.c
+ $(CC) -c $(CFLAGS) -o $@ $<
+%.pic.o : CFLAGS += -DPNG_BUILD_DLL
+%.pic.o : %.c
+ $(CC) -c $(CFLAGS) -o $@ $<
+
+all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
+
+# Make this to verify that "make [...] install" will do what you want.
+buildsetup-tell:
+ @echo VPATH is set to: \"$(VPATH)\"
+ @echo prefix is set to: \"$(prefix)\"
+ @echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
+ $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
+ $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
+
+libpng.pc: scripts/libpng.pc.in
+ @echo -e Making pkg-config file for this libpng installation..'\n' \
+ using PREFIX=\"$(prefix)\"'\n'
+ cat $(S)/scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
+ sed -e s/-lm// > libpng.pc
+
+libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
+ @echo -e Making $(LIBNAME) libpng-config file for this libpng \
+ installation..'\n' using PREFIX=\"$(prefix)\"'\n'
+ ( cat $(S)/scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng$(CYGDLL) -lz\"; \
+ cat $(S)/scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+static: all-static
+shared: all-shared
+all-static: $(STATLIB) pngtest-stat$(EXE)
+all-shared: $(SHAREDLIB) pngtest$(EXE)
+
+pnggccrd.o: pnggccrd.c png.h pngconf.h
+ @echo ""
+ @echo ' You can ignore the "control reaches end of non-void function"'
+ @echo ' warning and "<variable> defined but not used" warnings:'
+ @echo ""
+ $(CC) -c $(CFLAGS) -o $@ $<
+
+pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
+ @echo ""
+ @echo ' You can ignore the "control reaches end of non-void function"'
+ @echo ' warning and "<variable> defined but not used" warnings:'
+ @echo ""
+ $(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
+
+$(STATLIB): $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+$(SHAREDDEF): projects/msvc/png32ms.def
+ cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
+ sed -e 's/\([^;]*\);/;/' > $@
+
+$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
+ $(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
+
+pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
+ $(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
+
+pngtest-stat$(EXE): pngtest.o $(STATLIB)
+ $(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
+
+pngtest.pic.o: pngtest.c
+ $(CC) $(CFLAGS) -c $< -o $@
+
+pngtest.o: pngtest.c
+ $(CC) $(CFLAGS) -c $< -o $@
+
+test: test-static test-shared
+
+test-static: pngtest-stat$(EXE)
+ ./pngtest-stat $(S)/pngtest.png
+
+test-shared: pngtest$(EXE)
+ ./pngtest $(S)/pngtest.png
+
+install-static: $(STATLIB) install-headers install-man
+ -@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
+ install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
+ -@rm -f $(DL)/$(STATLIB)
+ (cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
+
+install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
+ -@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
+ -@if [ ! -d $(DB) ]; then $(MKDIR) $(DB); fi
+ -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR) $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
+ -@rm -f $(DL)/$(IMPLIB)
+ (cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
+ install -s -m 755 $(SHAREDLIB) $(DB)
+ install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-headers:
+ -@if [ ! -d $(DI) ]; then $(MKDIR) $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR) $(DI)/$(LIBNAME); fi
+ -@rm -f $(DI)/png.h
+ -@rm -f $(DI)/pngconf.h
+ install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
+ -@rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-man:
+ -@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR) $(D)$(MAN3PATH); fi
+ -@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR) $(D)$(MAN5PATH); fi
+ install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
+ install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+# Run this to verify that a future `configure' run will pick up the settings
+# you want.
+test-config-install: SHELL=/bin/bash
+test-config-install: $(DB)/libpng-config
+ @echo -e Testing libpng-config functions...'\n'
+ @ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
+ do \
+ printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
+ "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
+ gytiu=$$(( $$gytiu + 1 )); \
+ done
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) $(CFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti$(EXE) pngtest.png
+
+clean:
+ /bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
+ pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
+ libpng-config libpng.pc pngtesti$(EXE)
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h png.c
+pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
+pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
+pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
+pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
+pngset.o pngset.pic.o: png.h pngconf.h pngset.c
+pngget.o pngget.pic.o: png.h pngconf.h pngget.c
+pngread.o pngread.pic.o: png.h pngconf.h pngread.c
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
+pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
+
+pngtest.o: png.h pngconf.h pngtest.c
+pngtest-stat.o: png.h pngconf.h pngtest.c
+
+
+
diff --git a/runtime/libpng/scripts/makefile.darwin b/runtime/libpng/scripts/makefile.darwin
new file mode 100644
index 0000000..b04044f
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.darwin
@@ -0,0 +1,205 @@
+# makefile for libpng on Darwin / Mac OS X
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 2001 Christoph Pfisterer
+# derived from makefile.linux:
+# Copyright (C) 1998, 1999 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where "make install" puts libpng.a, libpng12.dylib, png.h and pngconf.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CC=cc
+CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
+
+#RANLIB=echo
+RANLIB=ranlib
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -fno-common -o $@ $*.c
+
+all: libpng.a $(LIBNAME).dylib pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
+ sed -e s/-lm// > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).dylib: $(LIBNAME).$(PNGMAJ).dylib
+ ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib
+
+$(LIBNAME).$(PNGMAJ).dylib: $(LIBNAME).$(PNGVER).dylib
+ ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib
+
+$(LIBNAME).$(PNGVER).dylib: $(OBJSDLL)
+ $(CC) -dynamiclib \
+ -install_name $(DL)/$(LIBNAME).$(PNGMAJ).dylib \
+ -flat_namespace -undefined suppress \
+ -o $(LIBNAME).$(PNGVER).dylib \
+ $(OBJSDLL)
+
+libpng.3.$(PNGMIN).dylib: $(OBJSDLL)
+ $(CC) -dynamiclib \
+ -install_name $(DL)/libpng.3.dylib \
+ -current_version 3 -compatibility_version 3 \
+ -flat_namespace -undefined suppress \
+ -o libpng.3.$(PNGMIN).dylib \
+ $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).dylib
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).dylib libpng.pc \
+ libpng.3.$(PNGMIN).dylib
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).$(PNGVER)*.dylib
+ -@/bin/rm -f $(DL)/$(LIBNAME).dylib
+ -@/bin/rm -f $(DL)/libpng.dylib
+ -@/bin/rm -f $(DL)/libpng.3.dylib
+ -@/bin/rm -f $(DL)/libpng.3.$(PNGMIN)*.dylib
+ cp $(LIBNAME).$(PNGVER).dylib $(DL)
+ cp libpng.3.$(PNGMIN).dylib $(DL)
+ chmod 755 $(DL)/$(LIBNAME).$(PNGVER).dylib
+ chmod 755 $(DL)/libpng.3.$(PNGMIN).dylib
+ (cd $(DL); \
+ ln -sf libpng.3.$(PNGMIN).dylib libpng.3.dylib; \
+ ln -sf libpng.3.dylib libpng.dylib; \
+ ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib; \
+ ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) $(CFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ libpng.3.$(PNGMIN).dylib \
+ libpng.pc $(LIBNAME).*dylib pngtesti
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.dec b/runtime/libpng/scripts/makefile.dec
new file mode 100644
index 0000000..5d7a11e
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.dec
@@ -0,0 +1,185 @@
+# makefile for libpng on DEC Alpha Unix
+# Copyright (C) 2000-2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+CC=cc
+CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+#RANLIB=echo
+RANLIB=ranlib
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: $(LIBNAME).so libpng.a pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"-std\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJS)
+ $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB)
+ -soname $(LIBNAME).so.$(PNGMAJ)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB)
+ -soname libpng.so.3
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -w1 -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -R$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.dj2 b/runtime/libpng/scripts/makefile.dj2
new file mode 100644
index 0000000..09045c2
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.dj2
@@ -0,0 +1,55 @@
+# DJGPP (DOS gcc) makefile for libpng
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install will put libpng.a and png.h
+#prefix=/usr/local
+prefix=.
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+CC=gcc
+CFLAGS=-I../zlib -O
+LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
+
+RANLIB=ranlib
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o pngwtran.o \
+ pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+ coff2exe pngtest
+
+test: pngtest
+ ./pngtest
+clean:
+ rm -f *.o libpng.a pngtest pngout.png
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.freebsd b/runtime/libpng/scripts/makefile.freebsd
new file mode 100644
index 0000000..d7d5fae
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.freebsd
@@ -0,0 +1,48 @@
+# makefile for libpng under FreeBSD
+# Copyright (C) 2002 Glenn Randers-Pehrson and Andrey A. Chernov
+# For conditions of distribution and use, see copyright notice in png.h
+
+PREFIX?= /usr/local
+SHLIB_VER?= 5
+
+LIB= png
+SHLIB_MAJOR= ${SHLIB_VER}
+SHLIB_MINOR= 0
+NOPROFILE= YES
+NOOBJ= YES
+
+# where make install puts libpng.a and png.h
+DESTDIR= ${PREFIX}
+LIBDIR= /lib
+INCS= png.h pngconf.h
+INCSDIR= /include/libpng
+INCDIR= ${INCSDIR} # for 4.x bsd.lib.mk
+MAN= libpng.3 libpngpf.3 png.5
+MANDIR= /man/man
+SYMLINKS= libpng/png.h ${INCSDIR}/../png.h \
+ libpng/pngconf.h ${INCSDIR}/../pngconf.h
+LDADD+= -lm -lz
+DPADD+= ${LIBM} ${LIBZ}
+
+CFLAGS+= -I. -DPNG_USE_PNGGCCRD
+.if (${MACHINE_ARCH} != "i386")
+CFLAGS+= -DPNG_NO_ASSEMBLER_CODE
+.endif
+
+SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+ pngwtran.c pngmem.c pngerror.c pngpread.c pnggccrd.c
+
+pngtest: pngtest.o libpng.a
+ ${CC} ${CFLAGS} -L. -static -o pngtest pngtest.o -lpng -lz -lm
+
+CLEANFILES= pngtest pngtest.o pngout.png
+
+test: pngtest
+ ./pngtest
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+.include <bsd.lib.mk>
diff --git a/runtime/libpng/scripts/makefile.gcc b/runtime/libpng/scripts/makefile.gcc
new file mode 100644
index 0000000..f7fc368
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.gcc
@@ -0,0 +1,66 @@
+# makefile for libpng using gcc (generic, static library)
+# Copyright (C) 2000 Cosmin Truta
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Location of the zlib library and include files
+ZLIBINC = ../zlib
+ZLIBLIB = ../zlib
+
+# Compiler, linker, lib and other tools
+CC = gcc
+LD = $(CC)
+AR = ar rcs
+RANLIB = ranlib
+RM = rm -f
+
+CDEBUG = -g -DPNG_DEBUG=5
+LDDEBUG =
+CRELEASE = -O2
+LDRELEASE = -s
+CFLAGS = -I$(ZLIBINC) -Wall $(CRELEASE)
+LDFLAGS = -L. -L$(ZLIBLIB) -lpng -lz -lm $(LDRELEASE)
+
+# File extensions
+O=.o
+A=.a
+E=
+
+# Variables
+OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
+ pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
+ pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
+
+# Targets
+all: libpng$(A) pngtest$(E)
+
+libpng$(A): $(OBJS)
+ $(AR) $@ $(OBJS)
+ $(RANLIB) $@
+
+test: pngtest$(E)
+ ./pngtest$(E)
+
+pngtest$(E): pngtest$(O) libpng$(A)
+ $(LD) -o $@ pngtest$(O) $(LDFLAGS)
+
+clean:
+ $(RM) *$(O) libpng$(A) pngtest$(E) pngout.png
+
+png$(O): png.h pngconf.h
+pngerror$(O): png.h pngconf.h
+pngget$(O): png.h pngconf.h
+pngmem$(O): png.h pngconf.h
+pngpread$(O): png.h pngconf.h
+pngread$(O): png.h pngconf.h
+pngrio$(O): png.h pngconf.h
+pngrtran$(O): png.h pngconf.h
+pngrutil$(O): png.h pngconf.h
+pngset$(O): png.h pngconf.h
+pngtest$(O): png.h pngconf.h
+pngtrans$(O): png.h pngconf.h
+pngwio$(O): png.h pngconf.h
+pngwrite$(O): png.h pngconf.h
+pngwtran$(O): png.h pngconf.h
+pngwutil$(O): png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.gcmmx b/runtime/libpng/scripts/makefile.gcmmx
new file mode 100644
index 0000000..d0dfdd9
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.gcmmx
@@ -0,0 +1,249 @@
+# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
+# assembler code
+# Copyright 2002 Greg Roelofs and Glenn Randers-Pehrson
+# Copyright 1998-2001 Greg Roelofs
+# Copyright 1996-1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier.
+
+# WARNING: The assembler code in pnggccrd.c may not be thread safe.
+
+# NOTE: When testing MMX performance on a multitasking system, make sure
+# there are no floating-point programs (e.g., SETI@Home) running in
+# the background! Context switches between MMX and FPU are expensive.
+
+LIBNAME = libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+CC=gcc
+
+# where "make install" puts libpng12.a, libpng12.so*,
+# libpng12/png.h and libpng12/pngconf.h
+# Prefix must be a full pathname.
+prefix=/usr/local
+
+# Where the zlib library and include files are located.
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+ALIGN=
+# for i386:
+#ALIGN=-malign-loops=2 -malign-functions=2
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+
+# for pgcc version 2.95.1, -O3 is buggy; don't use it.
+
+# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety
+### for generic gcc:
+CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
+ -O3 $(ALIGN) -funroll-loops \
+ -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
+### for gcc 2.95.2 on 686:
+#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
+# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
+# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
+### for gcc 2.7.2.3 on 486 and up:
+#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
+# -m486 -malign-double -ffast-math \
+# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
+
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
+LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
+
+RANLIB=ranlib
+#RANLIB=echo
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo cppflags=\"-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+pnggccrd.o: pnggccrd.c png.h pngconf.h
+ $(CC) -c $(CFLAGS) -o $@ $*.c
+
+pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
+ $(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) \
+ $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJSDLL)
+ $(CC) -shared -Wl,-soname,libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) \
+ $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+pngtest-static: pngtest.o libpng.a
+ $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
+
+test: pngtest pngtest-static
+ @echo ""
+ @echo " Running pngtest dynamically linked with $(LIBNAME).so:"
+ @echo ""
+ ./pngtest
+ @echo ""
+ @echo " Running pngtest statically linked with libpng.a:"
+ @echo ""
+ ./pngtest-static
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+png.o png.pic.o: png.h pngconf.h png.c
+pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c
+pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c
+pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c
+pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c
+pngset.o pngset.pic.o: png.h pngconf.h pngset.c
+pngget.o pngget.pic.o: png.h pngconf.h pngget.c
+pngread.o pngread.pic.o: png.h pngconf.h pngread.c
+pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c
+pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c
+pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c
+pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c
+pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c
+pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c
+pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c
+
+pngtest.o: png.h pngconf.h pngtest.c
diff --git a/runtime/libpng/scripts/makefile.hpgcc b/runtime/libpng/scripts/makefile.hpgcc
new file mode 100644
index 0000000..f677308
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.hpgcc
@@ -0,0 +1,217 @@
+# makefile for libpng on HP-UX using GCC with the HP ANSI/C linker.
+# Copyright (C) 2002, Glenn Randers-Pehrson
+# Copyright (C) 2001, Laurent faillie
+# Copyright (C) 1998, 1999 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=gcc
+LD=ld
+
+# where "make install" puts libpng.a, libpng.sl*, png.h and pngconf.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+ZLIBLIB=/opt/zlib/lib
+ZLIBINC=/opt/zlib/include
+
+# Note that if you plan to build a libpng shared library, zlib must also
+# be a shared library, which zlib's configure does not do. After running
+# zlib's configure, edit the appropriate lines of makefile to read:
+# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
+# LDSHARED=ld -b
+# SHAREDLIB=libz.sl
+
+ALIGN=
+# for i386:
+#ALIGN=-malign-loops=2 -malign-functions=2
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+
+# for pgcc version 2.95.1, -O3 is buggy; don't use it.
+
+CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
+ $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
+#LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
+
+RANLIB=ranlib
+#RANLIB=echo
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).sl pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).sl: $(LIBNAME).sl.$(PNGMAJ)
+ ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl
+
+$(LIBNAME).sl.$(PNGMAJ): $(LIBNAME).sl.$(PNGVER)
+ ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ)
+
+$(LIBNAME).sl.$(PNGVER): $(OBJSDLL)
+ $(LD) -b +s \
+ +h $(LIBNAME).sl.$(PNGMAJ) -o $(LIBNAME).sl.$(PNGVER) $(OBJSDLL)
+
+libpng.sl.3.$(PNGMIN): $(OBJSDLL)
+ $(LD) -b +s \
+ +h libpng.sl.3 -o libpng.sl.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).sl
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc \
+ libpng.sl.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGVER)* $(DL)/$(LIBNAME).sl
+ -@/bin/rm -f $(DL)/libpng.sl
+ -@/bin/rm -f $(DL)/libpng.sl.3
+ -@/bin/rm -f $(DL)/libpng.sl.3.$(PNGMIN)*
+ cp $(LIBNAME).sl.$(PNGVER) $(DL)
+ cp libpng.sl.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).sl.$(PNGVER)
+ chmod 755 $(DL)/libpng.sl.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.sl.3.$(PNGMIN) libpng.sl.3; \
+ ln -sf libpng.sl.3 libpng.sl; \
+ ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
+ ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).sl $(LIBNAME).sl.$(PNGMAJ)* \
+ libpng.sl.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.hpux b/runtime/libpng/scripts/makefile.hpux
new file mode 100644
index 0000000..a9c4d35
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.hpux
@@ -0,0 +1,202 @@
+# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
+# Copyright (C) 1999-2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42
+# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Where the zlib library and include files are located
+ZLIBLIB=/opt/zlib/lib
+ZLIBINC=/opt/zlib/include
+
+# Note that if you plan to build a libpng shared library, zlib must also
+# be a shared library, which zlib's configure does not do. After running
+# zlib's configure, edit the appropriate lines of makefile to read:
+# CFLAGS=-O1 -DHAVE_UNISTD -DUSE_MAP -fPIC \
+# LDSHARED=ld -b
+# SHAREDLIB=libz.sl
+
+CC=cc
+CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+# Caution: be sure you have built zlib with the same CFLAGS.
+CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+RANLIB=ranlib
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+# where make install puts libpng.a, libpng12.sl, and png.h
+prefix=/opt/libpng
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) +z -o $@ $*.c
+
+all: libpng.a $(LIBNAME).sl pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).sl: $(LIBNAME).sl.$(PNGMAJ)
+ ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl
+
+$(LIBNAME).sl.$(PNGMAJ): $(LIBNAME).sl.$(PNGVER)
+ ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ)
+
+$(LIBNAME).sl.$(PNGVER): $(OBJSDLL)
+ $(LD) -b +s \
+ +h $(LIBNAME).sl.$(PNGMAJ) -o $(LIBNAME).sl.$(PNGVER) $(OBJSDLL)
+
+libpng.sl.3.$(PNGMIN): $(OBJSDLL)
+ $(LD) -b +s \
+ +h libpng.sl.3 -o libpng.sl.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).sl.$(PNGVER) libpng.pc \
+ libpng.sl.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).sl.$(PNGVER)* $(DL)/$(LIBNAME).sl
+ -@/bin/rm -f $(DL)/libpng.sl
+ -@/bin/rm -f $(DL)/libpng.sl.3
+ -@/bin/rm -f $(DL)/libpng.sl.3.$(PNGMIN)*
+ cp $(LIBNAME).sl.$(PNGVER) $(DL)
+ cp libpng.sl.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).sl.$(PNGVER)
+ chmod 755 $(DL)/libpng.sl.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.sl.3.$(PNGMIN) libpng.sl.3; \
+ ln -sf libpng.sl.3 libpng.sl; \
+ ln -sf $(LIBNAME).sl.$(PNGVER) $(LIBNAME).sl.$(PNGMAJ); \
+ ln -sf $(LIBNAME).sl.$(PNGMAJ) $(LIBNAME).sl)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) $(CCFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).sl $(LIBNAME).sl.$(PNGMAJ)* \
+ libpng.sl.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.ibmc b/runtime/libpng/scripts/makefile.ibmc
new file mode 100644
index 0000000..f09a62c
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.ibmc
@@ -0,0 +1,71 @@
+# Makefile for libpng (static)
+# IBM C version 3.x for Win32 and OS/2
+# Copyright (C) 2000 Cosmin Truta
+# For conditions of distribution and use, see copyright notice in png.h
+# Notes:
+# Derived from makefile.std
+# All modules are compiled in C mode
+# Tested under Win32, expected to work under OS/2
+# Can be easily adapted for IBM VisualAge/C++ for AIX
+
+# Location of the zlib library and include files
+ZLIBINC = ../zlib
+ZLIBLIB = ../zlib
+
+# Compiler, linker, lib and other tools
+CC = icc
+LD = ilink
+AR = ilib
+RM = del
+
+CFLAGS = -I$(ZLIBINC) -Mc -O2 -W3
+LDFLAGS =
+
+# File extensions
+O=.obj
+A=.lib
+E=.exe
+
+# Variables
+OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
+ pngread$(O) pngrio$(O) pngrtran$(O) pngrutil$(O) pngset$(O) \
+ pngtrans$(O) pngwio$(O) pngwrite$(O) pngwtran$(O) pngwutil$(O)
+
+LIBS = libpng$(A) $(ZLIBLIB)/zlib$(A)
+
+# Targets
+all: libpng$(A) pngtest$(E)
+
+libpng$(A): $(OBJS)
+ $(AR) -out:$@ $(OBJS)
+
+test: pngtest$(E)
+ pngtest$(E)
+
+pngtest: pngtest$(E)
+
+pngtest$(E): pngtest$(O) libpng$(A)
+ $(LD) $(LDFLAGS) pngtest$(O) $(LIBS)
+
+clean:
+ $(RM) *$(O)
+ $(RM) libpng$(A)
+ $(RM) pngtest$(E)
+ $(RM) pngout.png
+
+png$(O): png.h pngconf.h
+pngerror$(O): png.h pngconf.h
+pngget$(O): png.h pngconf.h
+pngmem$(O): png.h pngconf.h
+pngpread$(O): png.h pngconf.h
+pngread$(O): png.h pngconf.h
+pngrio$(O): png.h pngconf.h
+pngrtran$(O): png.h pngconf.h
+pngrutil$(O): png.h pngconf.h
+pngset$(O): png.h pngconf.h
+pngtest$(O): png.h pngconf.h
+pngtrans$(O): png.h pngconf.h
+pngwio$(O): png.h pngconf.h
+pngwrite$(O): png.h pngconf.h
+pngwtran$(O): png.h pngconf.h
+pngwutil$(O): png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.intel b/runtime/libpng/scripts/makefile.intel
new file mode 100644
index 0000000..1cabe77
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.intel
@@ -0,0 +1,114 @@
+# Makefile for libpng
+# Microsoft Visual C++ with Intel C/C++ Compiler 4.0 and later
+
+# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is
+# copyright 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# To use, do "nmake /f scripts\makefile.intel"
+
+
+# ------------------- Intel C/C++ Compiler 4.0 and later -------------------
+
+# Caution: the assembler code was introduced at libpng version 1.0.4 and has
+# not yet been thoroughly tested.
+
+# Use assembler code
+ASMCODE=-DPNG_USE_PNGVCRD
+
+# Where the zlib library and include files are located
+ZLIBLIB=..\zlib
+ZLIBINC=..\zlib
+
+# Target CPU
+CPU=6 # Pentium II
+#CPU=5 # Pentium
+
+# Calling convention
+CALLING=r # __fastcall
+#CALLING=z # __stdcall
+#CALLING=d # __cdecl
+
+# Uncomment next to put error messages in a file
+#ERRFILE=>>pngerrs
+
+# --------------------------------------------------------------------------
+
+
+CC=icl -c
+CFLAGS=-O2 -G$(CPU)$(CALLING) -Qip -Qunroll4 -I$(ZLIBINC) $(ASMCODE) -nologo
+LD=link
+LDFLAGS=/SUBSYSTEM:CONSOLE /NOLOGO
+
+O=.obj
+
+OBJS=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O) \
+pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O) \
+pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) pngvcrd$(O)
+
+
+all: test
+
+png$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngset$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngget$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngread$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngpread$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngvcrd$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngerror$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngmem$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrio$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwio$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngtest$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+libpng.lib: $(OBJS)
+ if exist libpng.lib del libpng.lib
+ lib /NOLOGO /OUT:libpng.lib $(OBJS)
+
+pngtest.exe: pngtest.obj libpng.lib
+ $(LD) $(LDFLAGS) /OUT:pngtest.exe pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib
+
+test: pngtest.exe
+ pngtest.exe
+
+
+# End of makefile for libpng
diff --git a/runtime/libpng/scripts/makefile.knr b/runtime/libpng/scripts/makefile.knr
new file mode 100644
index 0000000..44ee538
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.knr
@@ -0,0 +1,99 @@
+# makefile for libpng
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# This makefile requires the file ansi2knr.c, which you can get
+# from the Ghostscript ftp site at ftp://ftp.cs.wisc.edu/ghost/
+# If you have libjpeg, you probably already have ansi2knr.c in the jpeg
+# source distribution.
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+CC=cc
+CFLAGS=-I../zlib -O
+LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
+# flags for ansi2knr
+ANSI2KNRFLAGS=
+
+RANLIB=ranlib
+#RANLIB=echo
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: ansi2knr libpng.a pngtest
+
+# general rule to allow ansi2knr to work
+.c.o:
+ ./ansi2knr $*.c T$*.c
+ $(CC) $(CFLAGS) -c T$*.c
+ rm -f T$*.c $*.o
+ mv T$*.o $*.o
+
+ansi2knr: ansi2knr.c
+ $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
+
+libpng.a: ansi2knr $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install: libpng.a
+ -@mkdir $(DESTDIR)$(INCPATH)
+ -@mkdir $(DESTDIR)$(INCPATH)/libpng
+ -@mkdir $(DESTDIR)$(LIBPATH)
+ -@rm -f $(DESTDIR)$(INCPATH)/png.h
+ -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
+ cp libpng.a $(DESTDIR)$(LIBPATH)
+ chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png ansi2knr
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.linux b/runtime/libpng/scripts/makefile.linux
new file mode 100644
index 0000000..7ec8125
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.linux
@@ -0,0 +1,223 @@
+# makefile for libpng.a and libpng12.so on Linux ELF with gcc
+# Copyright (C) 1998, 1999, 2002 Greg Roelofs and Glenn Randers-Pehrson
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+LIBNAME = libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+CC=gcc
+
+# where "make install" puts libpng12.a, libpng12.so*,
+# libpng12/png.h and libpng12/pngconf.h
+# Prefix must be a full pathname.
+prefix=/usr/local
+
+# Where the zlib library and include files are located.
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+ALIGN=
+# for i386:
+#ALIGN=-malign-loops=2 -malign-functions=2
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+
+# for pgcc version 2.95.1, -O3 is buggy; don't use it.
+
+CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops \
+ $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
+
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm
+LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
+
+RANLIB=ranlib
+#RANLIB=echo
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) \
+ $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJSDLL)
+ $(CC) -shared -Wl,-soname,libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) \
+ $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+pngtest-static: pngtest.o libpng.a
+ $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A)
+
+test: pngtest pngtest-static
+ @echo ""
+ @echo " Running pngtest dynamically linked with $(LIBNAME).so:"
+ @echo ""
+ ./pngtest
+ @echo ""
+ @echo " Running pngtest statically linked with libpng.a:"
+ @echo ""
+ ./pngtest-static
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.macosx b/runtime/libpng/scripts/makefile.macosx
new file mode 100644
index 0000000..e348ecf
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.macosx
@@ -0,0 +1,197 @@
+# makefile for libpng, MACOS X
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# Modified by Karin Kosina <kyrah@sim.no> 20011010:
+# build shared library (*.dylib)
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CC=cc
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -current_version $(PNGVER)
+
+LIBNAME=libpng12
+SHAREDLIB_POSTFIX=dylib
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+#RANLIB=echo
+RANLIB=ranlib
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest shared libpng.pc libpng-config
+
+shared: $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
+ sed -e s/-lm// > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX): $(OBJS)
+ cc -dynamiclib -flat_namespace -undefined suppress -o $@ $(OBJS)
+
+libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX): $(OBJS)
+ cc -dynamiclib -compatibility_version 3 -flat_namespace \
+ -undefined suppress -o $@ $(OBJS)
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
+ libpng.pc libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f \
+ $(DL)/$(LIBNAME).$(PNGVER)*.$(SHAREDLIB_POSTFIX)
+ -@/bin/rm -f $(DL)/$(LIBNAME).$(SHAREDLIB_POSTFIX)
+ -@/bin/rm -f libpng.$(SHARED_POSTFIX)
+ -@/bin/rm -f libpng.3.$(SHARED_POSTFIX)
+ -@/bin/rm -f libpng.3.$(PNGMIN)*.$(SHARED_POSTFIX)
+ cp libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) $(DL)
+ cp $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
+ chmod 755 $(DL)/libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX)
+ (cd $(DL); \
+ ln -f -s libpng.3.$(PNGMIN).$(SHARED_POSTFIX) \
+ libpng.3.$(SHARED_POSTFIX); \
+ ln -f -s libpng.3.$(SHARED_POSTFIX) libpng.$(SHARED_POSTFIX); \
+ ln -f -s $(LIBNAME).$(PNGVER).$(SHARED_POSTFIX) \
+ libpng.$(SHARED_POSTFIX); \
+ ln -f -s libpng.3.$(PNGMIN).$(SHARED_POSTFIX) \
+ libpng.3.$(SHARED_POSTFIX); \
+ ln -f -s $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
+ $(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX); \
+ ln -f -s $(LIBNAME).$(PNGMAJ).$(SHAREDLIB_POSTFIX) \
+ $(LIBNAME).$(SHAREDLIB_POSTFIX))
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) $(CFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX) \
+ $(LIBNAME).$(SHAREDLIB_POSTFIX) \
+ libpng.3.$(PNGMIN).$(SHAREDLIB_POSTFIX) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.mips b/runtime/libpng/scripts/makefile.mips
new file mode 100644
index 0000000..f1a557d
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.mips
@@ -0,0 +1,83 @@
+# makefile for libpng
+# Copyright (C) Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+CC=cc
+CFLAGS=-I../zlib -O -systype sysv -DSYSV -w -Dmips
+#CFLAGS=-O
+LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install: libpng.a
+ -@mkdir $(DESTDIR)$(INCPATH)
+ -@mkdir $(DESTDIR)$(INCPATH)/libpng
+ -@mkdir $(DESTDIR)$(LIBPATH)
+ -@rm -f $(DESTDIR)$(INCPATH)/png.h
+ -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
+ cp libpng.a $(DESTDIR)$(LIBPATH)
+ chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.msc b/runtime/libpng/scripts/makefile.msc
new file mode 100644
index 0000000..1cbfd91
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.msc
@@ -0,0 +1,86 @@
+# makefile for libpng
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
+
+# -------- Microsoft C 5.1 and later, does not use assembler code --------
+MODEL=L
+CFLAGS=-Oait -Gs -nologo -W3 -A$(MODEL) -I..\zlib
+#-Ox generates bad code with MSC 5.1
+CC=cl
+LD=link
+LDFLAGS=/e/st:0x1500/noe
+O=.obj
+
+#uncomment next to put error messages in a file
+ERRFILE= >> pngerrs
+
+# variables
+OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
+OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
+OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
+
+all: libpng.lib
+
+png$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngset$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngget$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngpread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngerror$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngmem$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtest$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
+ del libpng.lib
+ lib libpng $(OBJS1);
+ lib libpng $(OBJS2);
+ lib libpng $(OBJS3);
+
+pngtest.exe: pngtest.obj libpng.lib
+ $(LD) $(LDFLAGS) pngtest.obj,,,libpng.lib ..\zlib\zlib.lib ;
+
+test: pngtest.exe
+ pngtest
+
+# End of makefile for libpng
+
diff --git a/runtime/libpng/scripts/makefile.ne12bsd b/runtime/libpng/scripts/makefile.ne12bsd
new file mode 100644
index 0000000..4cccc6d
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.ne12bsd
@@ -0,0 +1,44 @@
+# makefile for libpng for NetBSD for the standard
+# make obj && make depend && make && make test
+# make includes && make install
+# Copyright (C) 2002 Patrick R.L. Welche
+# For conditions of distribution and use, see copyright notice in png.h
+
+# You should also run makefile.netbsd
+
+LOCALBASE?=/usr/local
+LIBDIR= ${LOCALBASE}/lib
+MANDIR= ${LOCALBASE}/man
+INCSDIR=${LOCALBASE}/include/libpng12
+
+LIB= png12
+SHLIB_MAJOR= 0
+SHLIB_MINOR= 1.2.5
+SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+ pngwtran.c pngmem.c pngerror.c pngpread.c
+INCS= png.h pngconf.h
+MAN= libpng.3 libpngpf.3 png.5
+
+CPPFLAGS+=-I${.CURDIR} -DPNG_USE_PNGGCCRD
+
+# something like this for mmx assembler, but it core dumps for me at the moment
+# .if ${MACHINE_ARCH} == "i386"
+# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
+# MKLINT= no
+# .else
+ CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
+# .endif
+
+CLEANFILES+=pngtest.o pngtest
+
+pngtest.o: pngtest.c
+ ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
+
+pngtest: pngtest.o libpng.a
+ ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm
+
+test: pngtest
+ cd ${.CURDIR} && ${.OBJDIR}/pngtest
+
+.include <bsd.lib.mk>
diff --git a/runtime/libpng/scripts/makefile.netbsd b/runtime/libpng/scripts/makefile.netbsd
new file mode 100644
index 0000000..6b53c4e
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.netbsd
@@ -0,0 +1,44 @@
+# makefile for libpng for NetBSD for the standard
+# make obj && make depend && make && make test
+# make includes && make install
+# Copyright (C) 2002 Patrick R.L. Welche
+# For conditions of distribution and use, see copyright notice in png.h
+
+# You should also run makefile.ne0bsd
+
+LOCALBASE?=/usr/local
+LIBDIR= ${LOCALBASE}/lib
+MANDIR= ${LOCALBASE}/man
+INCSDIR=${LOCALBASE}/include/libpng
+
+LIB= png
+SHLIB_MAJOR= 3
+SHLIB_MINOR= 1.2.5
+SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
+ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
+ pngwtran.c pngmem.c pngerror.c pngpread.c
+INCS= png.h pngconf.h
+MAN= libpng.3 libpngpf.3 png.5
+
+CPPFLAGS+=-I${.CURDIR} -DPNG_USE_PNGGCCRD
+
+# something like this for mmx assembler, but it core dumps for me at the moment
+# .if ${MACHINE_ARCH} == "i386"
+# CPPFLAGS+=-DPNG_THREAD_UNSAFE_OK
+# MKLINT= no
+# .else
+ CPPFLAGS+=-DPNG_NO_ASSEMBLER_CODE
+# .endif
+
+CLEANFILES+=pngtest.o pngtest
+
+pngtest.o: pngtest.c
+ ${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}
+
+pngtest: pngtest.o libpng.a
+ ${CC} ${LDFLAGS} ${.ALLSRC} -o${.TARGET} -lz -lm
+
+test: pngtest
+ cd ${.CURDIR} && ${.OBJDIR}/pngtest
+
+.include <bsd.lib.mk>
diff --git a/runtime/libpng/scripts/makefile.openbsd b/runtime/libpng/scripts/makefile.openbsd
new file mode 100644
index 0000000..af94f40
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.openbsd
@@ -0,0 +1,72 @@
+# makefile for libpng
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+PREFIX?= /usr/local
+LIBDIR= ${PREFIX}/lib
+MANDIR= ${PREFIX}/man/cat
+
+SHLIB_MAJOR= 0
+SHLIB_MINOR= 1.2.5
+
+LIB= png
+SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
+ pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c pngtrans.c \
+ pngwio.c pngwrite.c pngwtran.c pngwutil.c
+
+HDRS= png.h pngconf.h
+
+CFLAGS+= -Wall
+CPPFLAGS+= -I${.CURDIR} -DPNG_NO_ASSEMBLER_CODE -DPNG_USE_PNGGCCRD
+
+NOPROFILE= Yes
+
+CLEANFILES+= pngtest.o pngtest
+
+MAN= libpng.3 libpngpf.3 png.5
+DOCS= ANNOUNCE CHANGES LICENSE README libpng.txt
+
+pngtest.o: pngtest.c
+ ${CC} ${CPPFLAGS} ${CFLAGS} -c ${.ALLSRC} -o ${.TARGET}
+
+pngtest: pngtest.o
+ ${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm
+
+test: pngtest
+ cd ${.OBJDIR} && env \
+ LD_LIBRARY_PATH="${.OBJDIR}" ${.OBJDIR}/pngtest
+
+beforeinstall:
+ if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include/libpng; \
+ fi
+ if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
+ fi
+ if [ ! -d ${DESTDIR}${LIBDIR}/debug ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/debug; \
+ fi
+ if [ ! -d ${DESTDIR}${MANDIR}3 ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}3; \
+ fi
+ if [ ! -d ${DESTDIR}${MANDIR}5 ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}5; \
+ fi
+ if [ ! -d ${DESTDIR}${PREFIX}/share/doc/png ]; then \
+ ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/share/doc/png; \
+ fi
+
+afterinstall:
+ @rm -f ${DESTDIR}${LIBDIR}/libpng_pic.a
+ @rm -f ${DESTDIR}${LIBDIR}/debug/libpng.a
+ @rm -f ${DESTDIR}${PREFIX}/include/png.h
+ @rm -f ${DESTDIR}${PREFIX}/include/pngconf.h
+ @rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
+ ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+ -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng
+ ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+ -m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
+ ${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
+ -m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png
+
+.include <bsd.lib.mk>
diff --git a/runtime/libpng/scripts/makefile.os2 b/runtime/libpng/scripts/makefile.os2
new file mode 100644
index 0000000..588067d
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.os2
@@ -0,0 +1,69 @@
+# makefile for libpng on OS/2 with gcc
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Related files: pngos2.def
+
+CC=gcc -Zomf -s
+
+# Where the zlib library and include files are located
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) -Wall -O6 -funroll-loops -malign-loops=2 \
+ -malign-functions=2 #$(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lzdll -Zcrtdll
+AR=emxomfar
+
+PNGLIB=png.lib
+IMPLIB=emximp
+SHAREDLIB=png.dll
+SHAREDLIBIMP=pngdll.lib
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+.SUFFIXES: .c .o
+
+all: $(PNGLIB) $(SHAREDLIB) $(SHAREDLIBIMP)
+
+$(PNGLIB): $(OBJS)
+ $(AR) rc $@ $(OBJS)
+
+$(SHAREDLIB): $(OBJS) pngos2.def
+ $(CC) $(LDFLAGS) -Zdll -o $@ $^
+
+$(SHAREDLIBIMP): pngos2.def
+ $(IMPLIB) -o $@ $^
+
+pngtest.exe: pngtest.o png.dll pngdll.lib
+ $(CC) -o $@ $(CFLAGS) $< $(LDFLAGS)
+
+test: pngtest.exe
+ ./pngtest.exe
+
+clean:
+ rm -f *.o $(PNGLIB) png.dll pngdll.lib pngtest.exe pngout.png
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.sco b/runtime/libpng/scripts/makefile.sco
new file mode 100644
index 0000000..74068a2
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.sco
@@ -0,0 +1,201 @@
+# makefile for SCO OSr5 ELF and Unixware 7 with Native cc
+# Contributed by Mike Hopkirk (hops@sco.com) modified from Makefile.lnx
+# force ELF build dynamic linking, SONAME setting in lib and RPATH in app
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=cc
+
+# where make install puts libpng.a, libpng.so*, and png.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CFLAGS= -dy -belf -I$(ZLIBINC) -O3
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+INCPATH=$(prefix)/include/libpng
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"-belf\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ $(CC) -G -Wl,-h,$(LIBNAME).so.$(PNGMAJ) -o $(LIBNAME).so.$(PNGVER) \
+ $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJSDLL)
+ $(CC) -G -Wl,-h,libpng.so.3 -o libpng.so.3.$(PNGMIN) \
+ $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ LD_RUN_PATH=.:$(ZLIBLIB) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ -@/bin/rm -f $(DI)/png.h
+ -@/bin/rm -f $(DI)/pngconf.h
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ $(CC) $(CFLAGS) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.sggcc b/runtime/libpng/scripts/makefile.sggcc
new file mode 100644
index 0000000..082de1b
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.sggcc
@@ -0,0 +1,211 @@
+# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc'
+# Copyright (C) 2001-2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Where make install puts libpng.a, libpng12.so, and libpng12/png.h
+# Prefix must be a full pathname.
+
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib32
+#ZLIBINC=/usr/local/include
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+CC=gcc
+
+# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
+# See "man abi". zlib must be built with the same ABI.
+ABI=
+
+WARNMORE= # -g -DPNG_DEBUG=5
+CFLAGS=$(ABI) -I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32
+LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
+LDSHARED=cc $(ABI) -shared -soname $(LIBNAME).so.$(PNGMAJ) \
+ -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname libpng.so.3 \
+ -set_version sgi$3.0
+# See "man dso" for info about shared objects
+
+RANLIB=echo
+#RANLIB=ranlib
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+#LIBPATH=$(prefix)/lib32
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest shared libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+shared: $(LIBNAME).so.$(PNGVER)
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"$(ABI)\"; \
+ echo ldopts=\"$(ABI)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libdir=\"$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJS)
+ $(LDSHARED) -o $@ $(OBJS)
+ rm -f $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LDLEGACY) -o $@ $(OBJS)
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ echo
+ echo Testing local static library.
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -rpath $(ZLIBLIB):`$(BINPATH)/libpng12-config --libdir` \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ rm -f *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ so_locations
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+pnggccrd.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.sgi b/runtime/libpng/scripts/makefile.sgi
new file mode 100644
index 0000000..219b8ad
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.sgi
@@ -0,0 +1,217 @@
+# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc'
+# Copyright (C) 2001-2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+# Where make install puts libpng.a, libpng12.so, and libpng12/png.h
+# Prefix must be a full pathname.
+
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib32
+#ZLIBINC=/usr/local/include
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CC=cc
+
+# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
+# See "man abi". zlib must be built with the same ABI.
+ABI=
+
+WARNMORE=-fullwarn
+# Note: -KPIC is the default anyhow
+#CFLAGS= $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_USE_PNGGCCRD # -g -DPNG_DEBUG=5
+CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_USE_PNGGCCRD \
+ -DPNG_NO_ASSEMBLER_CODE
+LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng12 -lz -lm
+LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
+LDSHARED=cc $(ABI) -shared -soname $(LIBNAME).so.$(PNGMAJ) \
+ -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname libpng.so.3 \
+ -set_version sgi$3.0
+# See "man dso" for info about shared objects
+
+RANLIB=echo
+#RANLIB=ranlib
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+#LIBPATH=$(prefix)/lib32
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = pnggccrd.o png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest shared libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+shared: $(LIBNAME).so.$(PNGVER)
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo cppflags=\"-DPNG_USE_PNGGCCRD -DPNG_NO_ASSEMBLER_CODE\"; \
+ echo ccopts=\"$(ABI)\"; \
+ echo ldopts=\"$(ABI)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo libdir=\"$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJS)
+ $(LDSHARED) -o $@ $(OBJS)
+ rm -f $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LDLEGACY) -o $@ $(OBJS)
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ echo
+ echo Testing local static library.
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -sf $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -sf libpng.so.3 libpng.so; \
+ ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) -rpath $(ZLIBLIB):`$(BINPATH)/libpng12-config --libdir` \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ rm -f *.o libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
+ $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ so_locations
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+pnggccrd.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.so9 b/runtime/libpng/scripts/makefile.so9
new file mode 100644
index 0000000..f1ca807
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.so9
@@ -0,0 +1,223 @@
+# makefile for libpng on Solaris 9 (beta) with Forte cc
+# Updated by Chad Schrock for Solaris 9
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1998-2001 Greg Roelofs
+# Copyright (C) 1996-1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+# gcc 2.95 doesn't work.
+CC=cc
+
+# Where make install puts libpng.a, libpng.so*, and png.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk. If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+#Use the preinstalled zlib that comes with Solaris 9:
+ZLIBLIB=/usr/lib
+ZLIBINC=/usr/include
+
+#WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+#CFLAGS=-I$(ZLIBINC) -Wall -O3 $(WARNMORE) -g -DPNG_DEBUG=5
+CFLAGS=-I$(ZLIBINC) -O3
+LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -KPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-R$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ @case "`type ld`" in *ucb*) \
+ echo; \
+ echo '## WARNING:'; \
+ echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+ echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
+ echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+ echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+ echo '## at all. If it is, things are likely to break because of'; \
+ echo '## the libucb dependency that is created.'; \
+ echo; \
+ ;; \
+ esac
+ $(LD) -G -h $(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LD) -G -h libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags` \
+ -L$(ZLIBLIB) -R$(ZLIBLIB)
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.solaris b/runtime/libpng/scripts/makefile.solaris
new file mode 100644
index 0000000..9c5a844
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.solaris
@@ -0,0 +1,220 @@
+# makefile for libpng on Solaris 2.x with gcc
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Contributed by William L. Sebok, based on makefile.linux
+# Copyright (C) 1998 Greg Roelofs
+# Copyright (C) 1996, 1997 Andreas Dilger
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC=gcc
+
+# Where make install puts libpng.a, libpng12.so*, and png.h
+prefix=/usr/local
+
+# Where the zlib library and include files are located
+# Changing these to ../zlib poses a security risk. If you want
+# to have zlib in an adjacent directory, specify the full path instead of "..".
+#ZLIBLIB=../zlib
+#ZLIBINC=../zlib
+
+ZLIBLIB=/usr/local/lib
+ZLIBINC=/usr/local/include
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
+CFLAGS=-I$(ZLIBINC) -Wall -O3 \
+ # $(WARNMORE) -g -DPNG_DEBUG=5
+LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
+
+#RANLIB=ranlib
+RANLIB=echo
+
+PNGMAJ = 0
+PNGMIN = 1.2.5
+PNGVER = $(PNGMAJ).$(PNGMIN)
+LIBNAME = libpng12
+
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+MANPATH=$(prefix)/man
+BINPATH=$(prefix)/bin
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+DB=$(DESTDIR)$(BINPATH)
+DI=$(DESTDIR)$(INCPATH)
+DL=$(DESTDIR)$(LIBPATH)
+DM=$(DESTDIR)$(MANPATH)
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+OBJSDLL = $(OBJS:.o=.pic.o)
+
+.SUFFIXES: .c .o .pic.o
+
+.c.pic.o:
+ $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
+
+all: libpng.a $(LIBNAME).so pngtest libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo cppflags=\"-DPNG_USE_PNGGCCRD -DPNG_NO_ASSEMBLER_CODE\"; \
+ echo L_opts=\"-L$(LIBPATH)\"; \
+ echo R_opts=\"-R$(LIBPATH)\"; \
+ echo libs=\"-lpng12 -lz -lm\"; \
+ cat scripts/libpng-config-body.in ) > libpng-config
+ chmod +x libpng-config
+
+$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
+ ln -f -s $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
+
+$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
+
+$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
+ @case "`type ld`" in *ucb*) \
+ echo; \
+ echo '## WARNING:'; \
+ echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \
+ echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \
+ echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \
+ echo '## The environment variable LD_LIBRARY_PATH should not be set'; \
+ echo '## at all. If it is, things are likely to break because of'; \
+ echo '## the libucb dependency that is created.'; \
+ echo; \
+ ;; \
+ esac
+ $(LD) -G -h $(LIBNAME).so.$(PNGMAJ) \
+ -o $(LIBNAME).so.$(PNGVER) $(OBJSDLL)
+
+libpng.so.3.$(PNGMIN): $(OBJS)
+ $(LD) -G -h libpng.so.3 \
+ -o libpng.so.3.$(PNGMIN) $(OBJSDLL)
+
+pngtest: pngtest.o $(LIBNAME).so
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install-headers: png.h pngconf.h
+ -@if [ ! -d $(DI) ]; then mkdir $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
+ -@/bin/rm -f $(DI)/libpng
+ (cd $(DI); ln -f -s $(LIBNAME) libpng; ln -f -s $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@/bin/rm -f $(DL)/libpng.a
+ (cd $(DL); ln -f -s $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
+ libpng.so.3.$(PNGMIN)
+ -@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+ -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
+ -@/bin/rm -f $(DL)/libpng.so
+ -@/bin/rm -f $(DL)/libpng.so.3
+ -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
+ cp $(LIBNAME).so.$(PNGVER) $(DL)
+ cp libpng.so.3.$(PNGMIN) $(DL)
+ chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
+ chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
+ (cd $(DL); \
+ ln -f -s libpng.so.3.$(PNGMIN) libpng.so.3; \
+ ln -f -s libpng.so.3 libpng.so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so; \
+ ln -f -s $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ))
+ -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+ -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
+ -@/bin/rm -f $(DL)/pkgconfig/libpng.pc
+ cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
+ chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
+ (cd $(DL)/pkgconfig; ln -f -s $(LIBNAME).pc libpng.pc)
+
+install-man: libpng.3 libpngpf.3 png.5
+ -@if [ ! -d $(DM) ]; then mkdir $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+ -@/bin/rm -f $(DM)/man3/libpng.3
+ -@/bin/rm -f $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+ -@/bin/rm -f $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+ -@/bin/rm -f $(DB)/libpng-config
+ -@/bin/rm -f $(DB)/$(LIBNAME)-config
+ cp libpng-config $(DB)/$(LIBNAME)-config
+ chmod 755 $(DB)/$(LIBNAME)-config
+ (cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
+
+install: install-static install-shared install-man install-config
+
+# If you installed in $(DESTDIR), test-installed won't work until you
+# move the library to its final location.
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/libpng12-config --cflags` pngtest.c \
+ -o pngtesti `$(BINPATH)/libpng12-config --ldflags` \
+ -L$(ZLIBLIB) -R$(ZLIBLIB)
+ ./pngtesti pngtest.png
+
+clean:
+ /bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
+ libpng-config $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* \
+ libpng.so.3.$(PNGMIN) \
+ libpng.pc
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o png.pic.o: png.h pngconf.h
+pngerror.o pngerror.pic.o: png.h pngconf.h
+pngrio.o pngrio.pic.o: png.h pngconf.h
+pngwio.o pngwio.pic.o: png.h pngconf.h
+pngmem.o pngmem.pic.o: png.h pngconf.h
+pngset.o pngset.pic.o: png.h pngconf.h
+pngget.o pngget.pic.o: png.h pngconf.h
+pngread.o pngread.pic.o: png.h pngconf.h
+pngrtran.o pngrtran.pic.o: png.h pngconf.h
+pngrutil.o pngrutil.pic.o: png.h pngconf.h
+pngtrans.o pngtrans.pic.o: png.h pngconf.h
+pngwrite.o pngwrite.pic.o: png.h pngconf.h
+pngwtran.o pngwtran.pic.o: png.h pngconf.h
+pngwutil.o pngwutil.pic.o: png.h pngconf.h
+pngpread.o pngpread.pic.o: png.h pngconf.h
+
+pngtest.o: png.h pngconf.h
diff --git a/runtime/libpng/scripts/makefile.std b/runtime/libpng/scripts/makefile.std
new file mode 100644
index 0000000..5d1f529
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.std
@@ -0,0 +1,89 @@
+# makefile for libpng
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+CC=cc
+CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+#RANLIB=echo
+RANLIB=ranlib
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install: libpng.a
+ -@mkdir $(DESTDIR)$(INCPATH)
+ -@mkdir $(DESTDIR)$(INCPATH)/libpng
+ -@mkdir $(DESTDIR)$(LIBPATH)
+ -@rm -f $(DESTDIR)$(INCPATH)/png.h
+ -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
+ cp libpng.a $(DESTDIR)$(LIBPATH)
+ chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.sunos b/runtime/libpng/scripts/makefile.sunos
new file mode 100644
index 0000000..70a6e88
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.sunos
@@ -0,0 +1,93 @@
+# makefile for libpng
+# Copyright (C) 2002 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+
+WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow -Wconversion \
+ -Wmissing-declarations -Wtraditional -Wcast-align \
+ -Wstrict-prototypes -Wmissing-prototypes
+CC=gcc
+CFLAGS=-I$(ZLIBINC) -O # $(WARNMORE) -DPNG_DEBUG=5
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
+
+RANLIB=ranlib
+#RANLIB=echo
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
+ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
+ pngwtran.o pngmem.o pngerror.o pngpread.o
+
+all: libpng.a pngtest
+
+libpng.a: $(OBJS)
+ ar rc $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o libpng.a
+ $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
+
+test: pngtest
+ ./pngtest
+
+install: libpng.a
+ -@mkdir $(DESTDIR)$(INCPATH)
+ -@mkdir $(DESTDIR)$(INCPATH)/libpng
+ -@mkdir $(DESTDIR)$(LIBPATH)
+ -@rm -f $(DESTDIR)$(INCPATH)/png.h
+ -@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
+ cp libpng.a $(DESTDIR)$(LIBPATH)
+ chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
+
+clean:
+ rm -f *.o libpng.a pngtest pngout.png
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+png.o: png.h pngconf.h
+pngerror.o: png.h pngconf.h
+pngrio.o: png.h pngconf.h
+pngwio.o: png.h pngconf.h
+pngmem.o: png.h pngconf.h
+pngset.o: png.h pngconf.h
+pngget.o: png.h pngconf.h
+pngread.o: png.h pngconf.h
+pngrtran.o: png.h pngconf.h
+pngrutil.o: png.h pngconf.h
+pngtest.o: png.h pngconf.h
+pngtrans.o: png.h pngconf.h
+pngwrite.o: png.h pngconf.h
+pngwtran.o: png.h pngconf.h
+pngwutil.o: png.h pngconf.h
+pngpread.o: png.h pngconf.h
+
diff --git a/runtime/libpng/scripts/makefile.tc3 b/runtime/libpng/scripts/makefile.tc3
new file mode 100644
index 0000000..21435a6
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.tc3
@@ -0,0 +1,89 @@
+# Makefile for libpng
+# TurboC/C++ (Note: All modules are compiled in C mode)
+
+# To use, do "make -fmakefile.tc3"
+
+# ----- Turbo C 3.00 (can be modified to work with earlier versions) -----
+
+MODEL=l
+CFLAGS=-O2 -Z -m$(MODEL) -I..\zlib
+#CFLAGS=-D_NO_PROTO -O2 -Z -m$(MODEL) -I..\zlib # Turbo C older than 3.00
+CC=tcc
+LD=tcc
+LIB=tlib
+LDFLAGS=-m$(MODEL) -L..\zlib
+O=.obj
+E=.exe
+
+# variables
+OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
+OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
+OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
+OBJSL1 = +png$(O) +pngset$(O) +pngget$(O) +pngrutil$(O) +pngtrans$(O)
+OBJSL2 = +pngwutil$(O) +pngmem$(O) +pngpread$(O) +pngread$(O) +pngerror$(O)
+OBJSL3 = +pngwrite$(O) +pngrtran$(O) +pngwtran$(O) +pngrio$(O) +pngwio$(O)
+
+all: libpng$(MODEL).lib pngtest$(E)
+
+pngtest: pngtest$(E)
+
+test: pngtest$(E)
+ pngtest$(E)
+
+png$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngset$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngget$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngpread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngerror$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngmem$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngrio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngwio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngtest$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c
+
+libpng$(MODEL).lib: $(OBJS1) $(OBJS2) $(OBJS3)
+ $(LIB) libpng$(MODEL) +$(OBJSL1)
+ $(LIB) libpng$(MODEL) +$(OBJSL2)
+ $(LIB) libpng$(MODEL) +$(OBJSL3)
+
+pngtest$(E): pngtest$(O) libpng$(MODEL).lib
+ $(LD) $(LDFLAGS) pngtest.obj libpng$(MODEL).lib zlib_$(MODEL).lib
+
+# End of makefile for libpng
diff --git a/runtime/libpng/scripts/makefile.vcawin32 b/runtime/libpng/scripts/makefile.vcawin32
new file mode 100644
index 0000000..812dd8f
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.vcawin32
@@ -0,0 +1,94 @@
+# makefile for libpng
+# Copyright (C) 1998 Tim Wegner
+# For conditions of distribution and use, see copyright notice in png.h
+# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
+# To use, do "nmake /f scripts\makefile.vcawin32"
+
+# -------- Microsoft Visual C++ 5.0 and later, uses assembler code --------
+
+# Caution: the assembler code was introduced at libpng version 1.0.4 and has
+# not yet been thoroughly tested.
+
+# If you don't want to use assembler code, use makefile.vcwin32 instead.
+
+CFLAGS=-DPNG_USE_PNGVCRD -Ox -GA3s -nologo -W3 -I..\zlib
+
+CC=cl
+LD=link
+LDFLAGS=
+O=.obj
+
+#uncomment next to put error messages in a file
+#ERRFILE= >> pngerrs
+
+# variables
+OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
+OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
+OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O) pngvcrd$(O)
+
+all: libpng.lib
+
+png$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngset$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngget$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngpread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngvcrd$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngerror$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngmem$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtest$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
+ echo something to del > libpng.lib
+ del libpng.lib
+ lib /OUT:libpng.lib $(OBJS1) $(OBJS2) $(OBJS3)
+
+pngtest.exe: pngtest.obj libpng.lib
+ $(LD) $(LDFLAGS) pngtest.obj libpng.lib ..\zlib\zlib.lib /OUT:pngtest.exe /SUBSYSTEM:CONSOLE
+
+test: pngtest.exe
+ pngtest
+
+# End of makefile for libpng
+
diff --git a/runtime/libpng/scripts/makefile.vcwin32 b/runtime/libpng/scripts/makefile.vcwin32
new file mode 100644
index 0000000..64b762e
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.vcwin32
@@ -0,0 +1,87 @@
+# makefile for libpng
+# Copyright (C) 1998 Tim Wegner
+# For conditions of distribution and use, see copyright notice in png.h
+# Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib
+# To use, do "nmake /f scripts\makefile.vcwin32"
+
+# -------- Microsoft Visual C++ 4.0 and later, no assembler code --------
+# If you want to use assembler code, use makefile.vcawin32 instead.
+
+CFLAGS= -Ox -GA3s -nologo -W3 -I..\zlib
+
+CC=cl
+LD=link
+LDFLAGS=
+O=.obj
+
+#uncomment next to put error messages in a file
+#ERRFILE= >> pngerrs
+
+# variables
+OBJS1 = png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
+OBJS2 = pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
+OBJS3 = pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
+
+all: libpng.lib
+
+png$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngset$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngget$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngpread$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngerror$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngmem$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngrio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwio$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtest$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) -c $(CFLAGS) $*.c $(ERRFILE)
+
+libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
+ echo something to del > libpng.lib
+ del libpng.lib
+ lib /OUT:libpng.lib $(OBJS1) $(OBJS2) $(OBJS3)
+
+pngtest.exe: pngtest.obj libpng.lib
+ $(LD) $(LDFLAGS) pngtest.obj libpng.lib ..\zlib\zlib.lib /OUT:pngtest.exe /SUBSYSTEM:CONSOLE
+
+test: pngtest.exe
+ pngtest
+
+# End of makefile for libpng
+
diff --git a/runtime/libpng/scripts/makefile.watcom b/runtime/libpng/scripts/makefile.watcom
new file mode 100644
index 0000000..5e860fc
--- /dev/null
+++ b/runtime/libpng/scripts/makefile.watcom
@@ -0,0 +1,109 @@
+# Makefile for libpng
+# Watcom C/C++ 10.0 and later, 32-bit protected mode, flat memory model
+
+# Copyright (C) 2000, Pawel Mrochen, based on makefile.msc which is
+# copyright 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# To use, do "wmake /f scripts\makefile.watcom"
+
+
+# ---------------------- Watcom C/C++ 10.0 and later -----------------------
+
+# Where the zlib library and include files are located
+ZLIBLIB=..\zlib
+ZLIBINC=..\zlib
+
+# Target OS
+OS=DOS
+#OS=NT
+
+# Target CPU
+CPU=6 # Pentium Pro
+#CPU=5 # Pentium
+
+# Calling convention
+CALLING=r # registers
+#CALLING=s # stack
+
+# Uncomment next to put error messages in a file
+#ERRFILE=>>pngerrs
+
+# --------------------------------------------------------------------------
+
+
+CC=wcc386
+CFLAGS=-$(CPU)$(CALLING) -fp$(CPU) -fpi87 -oneatx -mf -bt=$(OS) -i=$(ZLIBINC) -zq
+LD=wcl386
+LDFLAGS=-zq
+
+O=.obj
+
+OBJS1=png$(O) pngset$(O) pngget$(O) pngrutil$(O) pngtrans$(O) pngwutil$(O)
+OBJS2=pngmem$(O) pngpread$(O) pngread$(O) pngerror$(O) pngwrite$(O)
+OBJS3=pngrtran$(O) pngwtran$(O) pngrio$(O) pngwio$(O)
+
+
+all: test
+
+png$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngset$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngget$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngread$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngpread$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrtran$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrutil$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngerror$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngmem$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngrio$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwio$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngtest$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngtrans$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwrite$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwtran$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+pngwutil$(O): png.h pngconf.h
+ $(CC) $(CFLAGS) $*.c $(ERRFILE)
+
+libpng.lib: $(OBJS1) $(OBJS2) $(OBJS3)
+ wlib -b -c -n -q libpng.lib $(OBJS1)
+ wlib -b -c -q libpng.lib $(OBJS2)
+ wlib -b -c -q libpng.lib $(OBJS3)
+
+pngtest.exe: pngtest.obj libpng.lib
+ $(LD) $(LDFLAGS) pngtest.obj libpng.lib $(ZLIBLIB)\zlib.lib
+
+test: pngtest.exe .symbolic
+ pngtest.exe
+
+
+# End of makefile for libpng
diff --git a/runtime/libpng/scripts/makevms.com b/runtime/libpng/scripts/makevms.com
new file mode 100644
index 0000000..b9e3895
--- /dev/null
+++ b/runtime/libpng/scripts/makevms.com
@@ -0,0 +1,144 @@
+$! make libpng under VMS
+$!
+$!
+$! Check for MMK/MMS
+$!
+$! This procedure accepts one parameter (contrib), which causes it to build
+$! the programs from the contrib directory instead of libpng.
+$!
+$ p1 = f$edit(p1,"UPCASE")
+$ if p1 .eqs. "CONTRIB"
+$ then
+$ set def [.contrib.gregbook]
+$ @makevms
+$ set def [-.pngminus]
+$ @makevms
+$ set def [--]
+$ exit
+$ endif
+$ Make = ""
+$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"
+$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"
+$!
+$! Look for the compiler used
+$!
+$ zlibsrc = "[-.zlib]"
+$ ccopt="/include=''zlibsrc'"
+$ if f$getsyi("HW_MODEL").ge.1024
+$ then
+$ ccopt = "/prefix=all"+ccopt
+$ comp = "__decc__=1"
+$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
+$ else
+$ if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""
+$ then
+$ if f$trnlnm("SYS").eqs."" then define sys sys$library:
+$ if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""
+$ then
+$ comp = "__gcc__=1"
+$ CC :== GCC
+$ else
+$ comp = "__vaxc__=1"
+$ endif
+$ else
+$ if f$trnlnm("SYS").eqs."" then define sys decc$library_include:
+$ ccopt = "/decc/prefix=all"+ccopt
+$ comp = "__decc__=1"
+$ endif
+$ endif
+$!
+$! Build the thing plain or with mms/mmk
+$!
+$ write sys$output "Compiling Libpng sources ..."
+$ if make.eqs.""
+$ then
+$ dele pngtest.obj;*
+$ CALL MAKE png.OBJ "cc ''CCOPT' png" -
+ png.c png.h pngconf.h
+$ CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" -
+ pngpread.c png.h pngconf.h
+$ CALL MAKE pngset.OBJ "cc ''CCOPT' pngset" -
+ pngset.c png.h pngconf.h
+$ CALL MAKE pngget.OBJ "cc ''CCOPT' pngget" -
+ pngget.c png.h pngconf.h
+$ CALL MAKE pngread.OBJ "cc ''CCOPT' pngread" -
+ pngread.c png.h pngconf.h
+$ CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" -
+ pngpread.c png.h pngconf.h
+$ CALL MAKE pngrtran.OBJ "cc ''CCOPT' pngrtran" -
+ pngrtran.c png.h pngconf.h
+$ CALL MAKE pngrutil.OBJ "cc ''CCOPT' pngrutil" -
+ pngrutil.c png.h pngconf.h
+$ CALL MAKE pngerror.OBJ "cc ''CCOPT' pngerror" -
+ pngerror.c png.h pngconf.h
+$ CALL MAKE pngmem.OBJ "cc ''CCOPT' pngmem" -
+ pngmem.c png.h pngconf.h
+$ CALL MAKE pngrio.OBJ "cc ''CCOPT' pngrio" -
+ pngrio.c png.h pngconf.h
+$ CALL MAKE pngwio.OBJ "cc ''CCOPT' pngwio" -
+ pngwio.c png.h pngconf.h
+$ CALL MAKE pngtrans.OBJ "cc ''CCOPT' pngtrans" -
+ pngtrans.c png.h pngconf.h
+$ CALL MAKE pngwrite.OBJ "cc ''CCOPT' pngwrite" -
+ pngwrite.c png.h pngconf.h
+$ CALL MAKE pngwtran.OBJ "cc ''CCOPT' pngwtran" -
+ pngwtran.c png.h pngconf.h
+$ CALL MAKE pngwutil.OBJ "cc ''CCOPT' pngwutil" -
+ pngwutil.c png.h pngconf.h
+$ write sys$output "Building Libpng ..."
+$ CALL MAKE libpng.OLB "lib/crea libpng.olb *.obj" *.OBJ
+$ write sys$output "Building pngtest..."
+$ CALL MAKE pngtest.OBJ "cc ''CCOPT' pngtest" -
+ pngtest.c png.h pngconf.h
+$ call make pngtest.exe -
+ "LINK pngtest,libpng.olb/lib,''zlibsrc'libz.olb/lib" -
+ pngtest.obj libpng.olb
+$ write sys$output "Testing Libpng..."
+$ run pngtest
+$ else
+$ if f$search("DESCRIP.MMS") .eqs. "" then copy/nolog [.SCRIPTS]DESCRIP.MMS []
+$ 'make'/macro=('comp',zlibsrc='zlibsrc')
+$ endif
+$ write sys$output "Libpng build completed"
+$ exit
+$!
+$!
+$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES
+$ V = 'F$Verify(0)
+$! P1 = What we are trying to make
+$! P2 = Command to make it
+$! P3 - P8 What it depends on
+$
+$ If F$Search(P1) .Eqs. "" Then Goto Makeit
+$ Time = F$CvTime(F$File(P1,"RDT"))
+$arg=3
+$Loop:
+$ Argument = P'arg
+$ If Argument .Eqs. "" Then Goto Exit
+$ El=0
+$Loop2:
+$ File = F$Element(El," ",Argument)
+$ If File .Eqs. " " Then Goto Endl
+$ AFile = ""
+$Loop3:
+$ OFile = AFile
+$ AFile = F$Search(File)
+$ If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl
+$ If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit
+$ Goto Loop3
+$NextEL:
+$ El = El + 1
+$ Goto Loop2
+$EndL:
+$ arg=arg+1
+$ If arg .Le. 8 Then Goto Loop
+$ Goto Exit
+$
+$Makeit:
+$ VV=F$VERIFY(0)
+$ write sys$output P2
+$ 'P2
+$ VV='F$Verify(VV)
+$Exit:
+$ If V Then Set Verify
+$ENDSUBROUTINE
diff --git a/runtime/libpng/scripts/pngdef.pas b/runtime/libpng/scripts/pngdef.pas
new file mode 100644
index 0000000..6e20683
--- /dev/null
+++ b/runtime/libpng/scripts/pngdef.pas
@@ -0,0 +1,795 @@
+unit pngdef;
+
+// Caution: this file has fallen out of date since version 1.0.5. Write to
+// png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu about volunteering
+// to it up to date.
+
+interface
+
+const
+ PNG_LIBPNG_VER_STRING = '1.2.5';
+ PNG_LIBPNG_VER = 10205;
+
+type
+ png_uint_32 = Cardinal;
+ png_int_32 = Longint;
+ png_uint_16 = Word;
+ png_int_16 = Smallint;
+ png_byte = Byte;
+ png_size_t = png_uint_32;
+ png_charpp = ^png_charp;
+ png_charp = PChar;
+ float = single;
+ int = Integer;
+ png_bytepp = ^png_bytep;
+ png_bytep = ^png_byte;
+ png_uint_16p = ^png_uint_16;
+ png_uint_16pp = ^png_uint_16p;
+ png_voidp = pointer;
+ time_t = Longint;
+ png_doublep = ^png_double;
+ png_double = double;
+
+ user_error_ptr = Pointer;
+ png_error_ptrp = ^png_error_ptr;
+ png_error_ptr = procedure(png_ptr: Pointer; msg: Pointer);
+ stdcall;
+ png_rw_ptrp = ^png_rw_ptr;
+ png_rw_ptr = procedure(png_ptr: Pointer; data: Pointer;
+ length: png_size_t);
+ stdcall;
+ png_flush_ptrp = ^png_flush_ptr;
+ png_flush_ptr = procedure(png_ptr: Pointer);
+ stdcall;
+ png_progressive_info_ptrp = ^png_progressive_info_ptr;
+ png_progressive_info_ptr = procedure(png_ptr: Pointer;
+ info_ptr: Pointer);
+ stdcall;
+ png_progressive_end_ptrp = ^png_progressive_end_ptr;
+ png_progressive_end_ptr = procedure(png_ptr: Pointer;
+ info_ptr: Pointer);
+ stdcall;
+ png_progressive_row_ptrp = ^png_progressive_row_ptr;
+ png_progressive_row_ptr = procedure(png_ptr: Pointer;
+ data: Pointer; length: png_uint_32;
+ count: int);
+ stdcall;
+ png_read_status_ptr = procedure(png_ptr: Pointer;
+ row_number: png_uint_32; pass: int);
+ stdcall;
+ png_write_status_ptr = procedure(png_ptr: Pointer;
+ row_number: png_uint_32; pass: int);
+ stdcall;
+ png_user_chunk_ptr = procedure(png_ptr: Pointer;
+ data: png_unknown_chunkp);
+ stdcall;
+ png_user_transform_ptr = procedure(png_ptr: Pointer;
+ row_info: Pointer; data: png_bytep);
+ stdcall;
+
+ png_colorpp = ^png_colorp;
+ png_colorp = ^png_color;
+ png_color = packed record
+ red, green, blue: png_byte;
+ end;
+
+ png_color_16pp = ^png_color_16p;
+ png_color_16p = ^png_color_16;
+ png_color_16 = packed record
+ index: png_byte; //used for palette files
+ red, green, blue: png_uint_16; //for use in red green blue files
+ gray: png_uint_16; //for use in grayscale files
+ end;
+
+ png_color_8pp = ^png_color_8p;
+ png_color_8p = ^png_color_8;
+ png_color_8 = packed record
+ red, green, blue: png_byte; //for use in red green blue files
+ gray: png_byte; //for use in grayscale files
+ alpha: png_byte; //for alpha channel files
+ end;
+
+ png_textpp = ^png_textp;
+ png_textp = ^png_text;
+ png_text = packed record
+ compression: int; //compression value
+ key: png_charp; //keyword, 1-79 character description of "text"
+ text: png_charp; //comment, may be empty ("")
+ text_length: png_size_t; //length of text field
+ end;
+
+ png_timepp = ^png_timep;
+ png_timep = ^png_time;
+ png_time = packed record
+ year: png_uint_16; //yyyy
+ month: png_byte; //1..12
+ day: png_byte; //1..31
+ hour: png_byte; //0..23
+ minute: png_byte; //0..59
+ second: png_byte; //0..60 (leap seconds)
+ end;
+
+ png_infopp = ^png_infop;
+ png_infop = Pointer;
+
+ png_row_infopp = ^png_row_infop;
+ png_row_infop = ^png_row_info;
+ png_row_info = packed record
+ width: png_uint_32; //width of row
+ rowbytes: png_size_t; //number of bytes in row
+ color_type: png_byte; //color type of row
+ bit_depth: png_byte; //bit depth of row
+ channels: png_byte; //number of channels (1, 2, 3, or 4)
+ pixel_depth: png_byte; //bits per pixel (depth * channels)
+ end;
+
+ png_structpp = ^png_structp;
+ png_structp = Pointer;
+
+const
+
+// Supported compression types for text in PNG files (tEXt, and zTXt).
+// The values of the PNG_TEXT_COMPRESSION_ defines should NOT be changed.
+
+ PNG_TEXT_COMPRESSION_NONE_WR = -3;
+ PNG_TEXT_COMPRESSION_zTXt_WR = -2;
+ PNG_TEXT_COMPRESSION_NONE = -1;
+ PNG_TEXT_COMPRESSION_zTXt = 0;
+
+// These describe the color_type field in png_info.
+// color type masks
+
+ PNG_COLOR_MASK_PALETTE = 1;
+ PNG_COLOR_MASK_COLOR = 2;
+ PNG_COLOR_MASK_ALPHA = 4;
+
+// color types. Note that not all combinations are legal
+
+ PNG_COLOR_TYPE_GRAY = 0;
+ PNG_COLOR_TYPE_PALETTE = PNG_COLOR_MASK_COLOR or
+ PNG_COLOR_MASK_PALETTE;
+ PNG_COLOR_TYPE_RGB = PNG_COLOR_MASK_COLOR;
+ PNG_COLOR_TYPE_RGB_ALPHA = PNG_COLOR_MASK_COLOR or
+ PNG_COLOR_MASK_ALPHA;
+ PNG_COLOR_TYPE_GRAY_ALPHA = PNG_COLOR_MASK_ALPHA;
+
+// This is for compression type. PNG 1.0 only defines the single type.
+
+ PNG_COMPRESSION_TYPE_BASE = 0; // Deflate method 8, 32K window
+ PNG_COMPRESSION_TYPE_DEFAULT = PNG_COMPRESSION_TYPE_BASE;
+
+// This is for filter type. PNG 1.0 only defines the single type.
+
+ PNG_FILTER_TYPE_BASE = 0; // Single row per-byte filtering
+ PNG_FILTER_TYPE_DEFAULT = PNG_FILTER_TYPE_BASE;
+
+// These are for the interlacing type. These values should NOT be changed.
+
+ PNG_INTERLACE_NONE = 0; // Non-interlaced image
+ PNG_INTERLACE_ADAM7 = 1; // Adam7 interlacing
+
+// These are for the oFFs chunk. These values should NOT be changed.
+
+ PNG_OFFSET_PIXEL = 0; // Offset in pixels
+ PNG_OFFSET_MICROMETER = 1; // Offset in micrometers (1/10^6 meter)
+
+// These are for the pCAL chunk. These values should NOT be changed.
+
+ PNG_EQUATION_LINEAR = 0; // Linear transformation
+ PNG_EQUATION_BASE_E = 1; // Exponential base e transform
+ PNG_EQUATION_ARBITRARY = 2; // Arbitrary base exponential transform
+ PNG_EQUATION_HYPERBOLIC = 3; // Hyperbolic sine transformation
+
+// These are for the pHYs chunk. These values should NOT be changed.
+
+ PNG_RESOLUTION_UNKNOWN = 0; // pixels/unknown unit (aspect ratio)
+ PNG_RESOLUTION_METER = 1; // pixels/meter
+
+// These are for the sRGB chunk. These values should NOT be changed.
+ PNG_sRGB_INTENT_PERCEPTUAL = 0;
+ PNG_sRGB_INTENT_RELATIVE = 1;
+ PNG_sRGB_INTENT_SATURATION = 2;
+ PNG_sRGB_INTENT_ABSOLUTE = 3;
+
+// Handle alpha and tRNS by replacing with a background color.
+ PNG_BACKGROUND_GAMMA_UNKNOWN = 0;
+ PNG_BACKGROUND_GAMMA_SCREEN = 1;
+ PNG_BACKGROUND_GAMMA_FILE = 2;
+ PNG_BACKGROUND_GAMMA_UNIQUE = 3;
+
+// Values for png_set_crc_action() to say how to handle CRC errors in
+// ancillary and critical chunks, and whether to use the data contained
+// therein. Note that it is impossible to "discard" data in a critical
+// chunk. For versions prior to 0.90, the action was always error/quit,
+// whereas in version 0.90 and later, the action for CRC errors in ancillary
+// chunks is warn/discard. These values should NOT be changed.
+
+// value action:critical action:ancillary
+
+ PNG_CRC_DEFAULT = 0; // error/quit warn/discard data
+ PNG_CRC_ERROR_QUIT = 1; // error/quit error/quit
+ PNG_CRC_WARN_DISCARD = 2; // (INVALID) warn/discard data
+ PNG_CRC_WARN_USE = 3; // warn/use data warn/use data
+ PNG_CRC_QUIET_USE = 4; // quiet/use data quiet/use data
+ PNG_CRC_NO_CHANGE = 5; // use current value use current value
+
+// Flags for png_set_filter() to say which filters to use. The flags
+// are chosen so that they don't conflict with real filter types
+// below, in case they are supplied instead of the #defined constants.
+// These values should NOT be changed.
+
+ PNG_NO_FILTERS = $00;
+ PNG_FILTER_NONE = $08;
+ PNG_FILTER_SUB = $10;
+ PNG_FILTER_UP = $20;
+ PNG_FILTER_AVG = $40;
+ PNG_FILTER_PAETH = $80;
+ PNG_ALL_FILTERS = PNG_FILTER_NONE or PNG_FILTER_SUB or
+ PNG_FILTER_UP or PNG_FILTER_AVG or
+ PNG_FILTER_PAETH;
+
+// Filter values (not flags) - used in pngwrite.c, pngwutil.c for now.
+// These defines should NOT be changed.
+
+ PNG_FILTER_VALUE_NONE = 0;
+ PNG_FILTER_VALUE_SUB = 1;
+ PNG_FILTER_VALUE_UP = 2;
+ PNG_FILTER_VALUE_AVG = 3;
+ PNG_FILTER_VALUE_PAETH = 4;
+
+// Heuristic used for row filter selection. These defines should NOT be
+// changed.
+
+ PNG_FILTER_HEURISTIC_DEFAULT = 0; // Currently "UNWEIGHTED"
+ PNG_FILTER_HEURISTIC_UNWEIGHTED = 1; // Used by libpng < 0.95
+ PNG_FILTER_HEURISTIC_WEIGHTED = 2; // Experimental feature
+ PNG_FILTER_HEURISTIC_LAST = 3; // Not a valid value
+
+procedure png_build_grayscale_palette(bit_depth: int; palette: png_colorp);
+ stdcall;
+function png_check_sig(sig: png_bytep; num: int): int;
+ stdcall;
+procedure png_chunk_error(png_ptr: png_structp;
+ const mess: png_charp);
+ stdcall;
+procedure png_chunk_warning(png_ptr: png_structp;
+ const mess: png_charp);
+ stdcall;
+procedure png_convert_from_time_t(ptime: png_timep; ttime: time_t);
+ stdcall;
+function png_convert_to_rfc1123(png_ptr: png_structp; ptime: png_timep):
+ png_charp;
+ stdcall;
+function png_create_info_struct(png_ptr: png_structp): png_infop;
+ stdcall;
+function png_create_read_struct(user_png_ver: png_charp;
+ error_ptr: user_error_ptr; error_fn: png_error_ptr;
+ warn_fn: png_error_ptr): png_structp;
+ stdcall;
+function png_get_copyright(png_ptr: png_structp): png_charp;
+ stdcall;
+function png_get_header_ver(png_ptr: png_structp): png_charp;
+ stdcall;
+function png_get_header_version(png_ptr: png_structp): png_charp;
+ stdcall;
+function png_get_libpng_ver(png_ptr: png_structp): png_charp;
+ stdcall;
+function png_create_write_struct(user_png_ver: png_charp;
+ error_ptr: user_error_ptr; error_fn: png_error_ptr;
+ warn_fn: png_error_ptr): png_structp;
+ stdcall;
+procedure png_destroy_info_struct(png_ptr: png_structp;
+ info_ptr_ptr: png_infopp);
+ stdcall;
+procedure png_destroy_read_struct(png_ptr_ptr: png_structpp;
+ info_ptr_ptr, end_info_ptr_ptr: png_infopp);
+ stdcall;
+procedure png_destroy_write_struct(png_ptr_ptr: png_structpp;
+ info_ptr_ptr: png_infopp);
+ stdcall;
+function png_get_IHDR(png_ptr: png_structp; info_ptr: png_infop;
+ var width, height: png_uint_32; var bit_depth,
+ color_type, interlace_type, compression_type,
+ filter_type: int): png_uint_32;
+ stdcall;
+function png_get_PLTE(png_ptr: png_structp; info_ptr: png_infop;
+ var palette: png_colorp; var num_palette: int):
+ png_uint_32;
+ stdcall;
+function png_get_bKGD(png_ptr: png_structp; info_ptr: png_infop;
+ var background: png_color_16p): png_uint_32;
+ stdcall;
+function png_get_bit_depth(png_ptr: png_structp; info_ptr: png_infop):
+ png_byte;
+ stdcall;
+function png_get_cHRM(png_ptr: png_structp; info_ptr: png_infop;
+ var white_x, white_y, red_x, red_y, green_x, green_y,
+ blue_x, blue_y: double): png_uint_32;
+ stdcall;
+function png_get_channels(png_ptr: png_structp; info_ptr: png_infop):
+ png_byte;
+ stdcall;
+function png_get_color_type(png_ptr: png_structp; info_ptr: png_infop):
+ png_byte;
+ stdcall;
+function png_get_compression_type(png_ptr: png_structp;
+ info_ptr: png_infop): png_byte;
+ stdcall;
+function png_get_error_ptr(png_ptr: png_structp): png_voidp;
+ stdcall;
+function png_get_filter_type(png_ptr: png_structp; info_ptr: png_infop):
+ png_byte;
+ stdcall;
+function png_get_gAMA(png_ptr: png_structp; info_ptr: png_infop;
+ var file_gamma: double): png_uint_32;
+ stdcall;
+function png_get_hIST(png_ptr: png_structp; info_ptr: png_infop;
+ var hist: png_uint_16p): png_uint_32;
+ stdcall;
+function png_get_image_height(png_ptr: png_structp; info_ptr: png_infop):
+ png_uint_32;
+ stdcall;
+function png_get_image_width(png_ptr: png_structp; info_ptr: png_infop):
+ png_uint_32;
+ stdcall;
+function png_get_interlace_type(png_ptr: png_structp;
+ info_ptr: png_infop): png_byte;
+ stdcall;
+function png_get_io_ptr(png_ptr: png_structp): png_voidp;
+ stdcall;
+function png_get_oFFs(png_ptr: png_structp; info_ptr: png_infop;
+ var offset_x, offset_y: png_uint_32;
+ var unit_type: int): png_uint_32;
+ stdcall;
+function png_get_sCAL(png_ptr: png_structp; info_ptr: png_infop;
+ var unit:int; var width: png_uint_32; height: png_uint_32):
+ png_uint_32;
+ stdcall
+function png_get_pCAL(png_ptr: png_structp; info_ptr: png_infop;
+ var purpose: png_charp; var X0, X1: png_int_32;
+ var typ, nparams: int; var units: png_charp;
+ var params: png_charpp): png_uint_32;
+ stdcall;
+function png_get_pHYs(png_ptr: png_structp; info_ptr: png_infop;
+ var res_x, res_y: png_uint_32; var unit_type: int):
+ png_uint_32;
+ stdcall;
+function png_get_pixel_aspect_ratio(png_ptr: png_structp;
+ info_ptr: png_infop): float;
+ stdcall;
+function png_get_pixels_per_meter(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_progressive_ptr(png_ptr: png_structp): png_voidp;
+ stdcall;
+function png_get_rgb_to_gray_status(png_ptr: png_structp);
+ stdcall;
+function png_get_rowbytes(png_ptr: png_structp; info_ptr: png_infop):
+ png_uint_32;
+ stdcall;
+function png_get_rows(png_ptr: png_structp; info_ptr: png_infop):
+ png_bytepp;
+ stdcall;
+function png_get_sBIT(png_ptr: png_structp; info_ptr: png_infop;
+ var sig_bits: png_color_8p): png_uint_32;
+ stdcall;
+function png_get_sRGB(png_ptr: png_structp; info_ptr: png_infop;
+ var file_srgb_intent: int): png_uint_32;
+ stdcall;
+function png_get_signature(png_ptr: png_structp; info_ptr: png_infop):
+ png_bytep;
+ stdcall;
+function png_get_tIME(png_ptr: png_structp; info_ptr: png_infop;
+ var mod_time: png_timep): png_uint_32;
+ stdcall;
+function png_get_tRNS(png_ptr: png_structp; info_ptr: png_infop;
+ var trans: png_bytep; var num_trans: int;
+ var trans_values: png_color_16p): png_uint_32;
+ stdcall;
+function png_get_text(png_ptr: png_structp; info_ptr: png_infop;
+ var text_ptr: png_textp; var num_text: int):
+ png_uint_32;
+ stdcall;
+function png_get_user_chunk_ptr(png_ptr: png_structp):
+ png_voidp;
+ stdcall;
+function png_get_valid(png_ptr: png_structp; info_ptr: png_infop;
+ flag: png_uint_32): png_uint_32;
+ stdcall;
+function png_get_x_offset_microns(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_x_offset_pixels(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_x_pixels_per_meter(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_y_offset_microns(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_y_offset_pixels(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+function png_get_y_pixels_per_meter(png_ptr: png_structp;
+ info_ptr: png_infop): png_uint_32;
+ stdcall;
+procedure png_process_data(png_ptr: png_structp; info_ptr: png_infop;
+ buffer: png_bytep; buffer_size: png_size_t);
+ stdcall;
+procedure png_progressive_combine_row(png_ptr: png_structp;
+ old_row, new_row: png_bytep);
+ stdcall;
+procedure png_read_end(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_read_image(png_ptr: png_structp; image: png_bytepp);
+ stdcall;
+procedure png_read_info(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_read_row(png_ptr: png_structp; row, dsp_row: png_bytep);
+ stdcall;
+procedure png_read_rows(png_ptr: png_structp; row, display_row:
+ png_bytepp; num_rows: png_uint_32);
+ stdcall;
+procedure png_read_update_info(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_set_IHDR(png_ptr: png_structp; info_ptr: png_infop;
+ width, height: png_uint_32; bit_depth, color_type,
+ interlace_type, compression_type, filter_type: int);
+ stdcall;
+procedure png_set_PLTE(png_ptr: png_structp; info_ptr: png_infop;
+ palette: png_colorp; num_palette: int);
+ stdcall;
+procedure png_set_bKGD(png_ptr: png_structp; info_ptr: png_infop;
+ background: png_color_16p);
+ stdcall;
+procedure png_set_background(png_ptr: png_structp;
+ background_color: png_color_16p;
+ background_gamma_code, need_expand: int;
+ background_gamma: double);
+ stdcall;
+procedure png_set_bgr(png_ptr: png_structp);
+ stdcall;
+procedure png_set_cHRM(png_ptr: png_structp; info_ptr: png_infop;
+ white_x, white_y, red_x, red_y, green_x, green_y,
+ blue_x, blue_y: double);
+ stdcall;
+procedure png_set_cHRM_fixed(png_ptr: png_structp; info_ptr: png_infop;
+ white_x, white_y, red_x, red_y, green_x, green_y,
+ blue_x, blue_y: png_fixed_point);
+ stdcall;
+procedure png_set_compression_level(png_ptr: png_structp; level: int);
+ stdcall;
+procedure png_set_compression_mem_level(png_ptr: png_structp;
+ mem_level: int);
+ stdcall;
+procedure png_set_compression_method(png_ptr: png_structp; method: int);
+ stdcall;
+procedure png_set_compression_strategy(png_ptr: png_structp;
+ strategy: int);
+ stdcall;
+procedure png_set_compression_window_bits(png_ptr: png_structp;
+ window_bits: int);
+ stdcall;
+procedure png_set_crc_action(png_ptr: png_structp;
+ crit_action, ancil_action: int);
+ stdcall;
+procedure png_set_dither(png_ptr: png_structp; plaette: png_colorp;
+ num_palette, maximum_colors: int;
+ histogram: png_uint_16p; full_dither: int);
+ stdcall;
+procedure png_set_error_fn(png_ptr: png_structp; error_ptr: png_voidp;
+ error_fn, warning_fn: png_error_ptr);
+ stdcall;
+procedure png_set_expand(png_ptr: png_structp);
+ stdcall;
+procedure png_set_filler(png_ptr: png_structp; filler: png_uint_32;
+ filler_loc: int);
+ stdcall;
+procedure png_set_filter(png_ptr: png_structp; method, filters: int);
+ stdcall;
+procedure png_set_filter_heuristics(png_ptr: png_structp;
+ heuristic_method, num_weights: int;
+ filter_weights, filter_costs: png_doublep);
+ stdcall;
+procedure png_set_flush(png_ptr: png_structp; nrows: int);
+ stdcall;
+procedure png_set_gAMA(png_ptr: png_structp; info_ptr: png_infop;
+ file_gamma: double);
+ stdcall;
+procedure png_set_gAMA_fixed(png_ptr: png_structp; info_ptr: png_infop;
+ file_gamma: png_fixed_point);
+ stdcall;
+procedure png_set_gamma(png_ptr: png_structp; screen_gamma,
+ default_file_gamma: double);
+ stdcall;
+procedure png_set_gray_1_2_4_to_8(png_ptr: png_structp);
+ stdcall;
+procedure png_set_gray_to_rgb(png_ptr: png_structp);
+ stdcall;
+procedure png_set_hIST(png_ptr: png_structp; info_ptr: png_infop;
+ hist: png_uint_16p);
+ stdcall;
+function png_set_interlace_handling(png_ptr: png_structp): int;
+ stdcall;
+procedure png_set_invalid(png_ptr: png_structp; info_ptr:png_infop;
+ mask: int);
+ stdcall;
+procedure png_set_invert_alpha(png_ptr: png_structp);
+ stdcall;
+procedure png_set_invert_mono(png_ptr: png_structp);
+ stdcall;
+procedure png_set_oFFs(png_ptr: png_structp; info_ptr: png_infop;
+ offset_x, offset_y: png_uint_32; unit_type: int);
+ stdcall;
+procedure png_set_palette_to_rgb(png_ptr: png_structp);
+ stdcall;
+procedure png_set_pCAL(png_ptr: png_structp; info_ptr: png_infop;
+ purpose: png_charp; X0, X1: png_int_32;
+ typ, nparams: int; units: png_charp;
+ params: png_charpp);
+ stdcall;
+procedure png_set_pHYs(png_ptr: png_structp; info_ptr: png_infop;
+ res_x, res_y: png_uint_32; unit_type: int);
+ stdcall;
+procedure png_set_packing(png_ptr: png_structp);
+ stdcall;
+procedure png_set_packswap(png_ptr: png_structp);
+ stdcall;
+procedure png_set_progressive_read_fn(png_ptr: png_structp;
+ progressive_ptr: png_voidp;
+ info_fn: png_progressive_info_ptr;
+ row_fn: png_progressive_row_ptr;
+ end_fn: png_progressive_end_ptr);
+ stdcall;
+procedure png_set_read_fn(png_ptr: png_structp;
+ io_ptr: png_voidp; read_data_fn: png_rw_ptr);
+ stdcall;
+procedure png_set_read_status_fn(png_ptr: png_structp;
+ read_row_fn: png_read_status_ptr);
+ stdcall;
+procedure png_set_read_user_chunk_fn(png_ptr: png_structp;
+ read_user_chunk_fn: png_user_chunk_ptr);
+ stdcall;
+procedure png_set_read_user_transform_fn(png_ptr: png_structp;
+ read_user_transform_fn: png_user_transform_ptr);
+ stdcall;
+procedure png_set_rgb_to_gray(png_ptr: png_structp; int: error_action;
+ red_weight, green_weight: double);
+ stdcall;
+procedure png_set_rgb_to_gray_fixed(png_ptr: png_structp; int: error_action;
+ red_weight, green_weight: png_fixed_point);
+ stdcall;
+procedure png_set_rows(png_ptr: png_structp; info_ptr: png_infop;
+ row_pointers: png_bytepp);
+ stdcall;
+procedure png_set_sBIT(png_ptr: png_structp; info_ptr: png_infop;
+ sig_bits: png_color_8p);
+ stdcall;
+procedure png_set_sRGB(png_ptr: png_structp; info_ptr: png_infop;
+ intent: int);
+ stdcall;
+procedure png_set_sRGB_gAMA_and_cHRM(png_ptr: png_structp;
+ info_ptr: png_infop; intent: int);
+ stdcall;
+procedure png_set_shift(png_ptr: png_structp; true_bits: png_color_8p);
+ stdcall;
+procedure png_set_sig_bytes(png_ptr: png_structp; num_bytes: int);
+ stdcall;
+procedure png_set_strip_16(png_ptr: png_structp);
+ stdcall;
+procedure png_set_strip_alpha(png_ptr: png_structp);
+ stdcall;
+procedure png_set_swap(png_ptr: png_structp);
+ stdcall;
+procedure png_set_swap_alpha(png_ptr: png_structp);
+ stdcall;
+procedure png_set_tIME(png_ptr: png_structp; info_ptr: png_infop;
+ mod_time: png_timep);
+ stdcall;
+procedure png_set_tRNS(png_ptr: png_structp; info_ptr: png_infop;
+ trans: png_bytep; num_trans: int;
+ trans_values: png_color_16p);
+ stdcall;
+procedure png_set_tRNS_to_alpha(png_ptr: png_structp);
+ stdcall;
+procedure png_set_text(png_ptr: png_structp; info_ptr: png_infop;
+ text_ptr: png_textp; num_text: int);
+ stdcall;
+procedure png_set_write_fn(png_ptr: png_structp;
+ io_ptr: png_voidp; write_data_fn: png_rw_ptr;
+ output_flush_fn: png_flush_ptr);
+ stdcall;
+procedure png_set_write_status_fn(png_ptr: png_structp;
+ write_row_fn: png_write_status_ptr);
+ stdcall;
+procedure png_set_write_user_transform_fn(png_ptr: png_structp;
+ write_user_transform_fn: png_user_transform_ptr);
+ stdcall;
+function png_sig_cmp(sig: png_bytep; start, num_to_check: png_size_t):
+ int;
+ stdcall;
+procedure png_start_read_image(png_ptr: png_structp);
+ stdcall;
+procedure png_write_chunk(png_ptr: png_structp;
+ chunk_name, data: png_bytep; length: png_size_t);
+ stdcall;
+procedure png_write_chunk_data(png_ptr: png_structp;
+ data: png_bytep; length: png_size_t);
+ stdcall;
+procedure png_write_chunk_end(png_ptr: png_structp);
+ stdcall;
+procedure png_write_chunk_start(png_ptr: png_structp;
+ chunk_name: png_bytep; length: png_uint_32);
+ stdcall;
+procedure png_write_end(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_write_flush(png_ptr: png_structp);
+ stdcall;
+procedure png_write_image(png_ptr: png_structp; image: png_bytepp);
+ stdcall;
+procedure png_write_info(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_write_info_before_PLTE(png_ptr: png_structp; info_ptr: png_infop);
+ stdcall;
+procedure png_write_row(png_ptr: png_structp; row: png_bytep);
+ stdcall;
+procedure png_write_rows(png_ptr: png_structp; row: png_bytepp;
+ num_rows: png_uint_32);
+ stdcall;
+procedure png_get_iCCP(png_ptr: png_structp; info_ptr: png_infop;
+ name: png_charpp; compression_type: int *; profile: png_charpp;
+ proflen: png_int_32): png_bytep;
+ stdcall;
+procedure png_get_sPLT(png_ptr: png_structp;
+ info_ptr: png_infop; entries: png_spalette_pp): png_uint_32;
+ stdcall;
+procedure png_set_iCCP(png_ptr: png_structp; info_ptr: png_infop;
+ name: png_charp; compression_type: int; profile: png_charp;
+ proflen: int);
+ stdcall;
+procedure png_free_data(png_ptr: png_structp; info_ptr: png_infop; num: int);
+ stdcall;
+procedure png_set_sPLT(png_ptr: png_structp; info_ptr: png_infop;
+ entries: png_spalette_p; nentries: int);
+ stdcall;
+
+implementation
+
+const
+ pngDLL = 'png32bd.dll';
+
+procedure png_build_grayscale_palette; external pngDLL;
+function png_check_sig; external pngDLL;
+procedure png_chunk_error; external pngDLL;
+procedure png_chunk_warning; external pngDLL;
+procedure png_convert_from_time_t; external pngDLL;
+function png_convert_to_rfc1123; external pngDLL;
+function png_create_info_struct; external pngDLL;
+function png_create_read_struct; external pngDLL;
+function png_create_write_struct; external pngDLL;
+procedure png_destroy_info_struct; external pngDLL;
+procedure png_destroy_read_struct; external pngDLL;
+procedure png_destroy_write_struct; external pngDLL;
+function png_get_IHDR; external pngDLL;
+function png_get_PLTE; external pngDLL;
+function png_get_bKGD; external pngDLL;
+function png_get_bit_depth; external pngDLL;
+function png_get_cHRM; external pngDLL;
+function png_get_channels; external pngDLL;
+function png_get_color_type; external pngDLL;
+function png_get_compression_type; external pngDLL;
+function png_get_error_ptr; external pngDLL;
+function png_get_filter_type; external pngDLL;
+function png_get_gAMA; external pngDLL;
+function png_get_hIST; external pngDLL;
+function png_get_image_height; external pngDLL;
+function png_get_image_width; external pngDLL;
+function png_get_interlace_type; external pngDLL;
+function png_get_io_ptr; external pngDLL;
+function png_get_oFFs; external pngDLL;
+function png_get_pCAL; external pngDLL;
+function png_get_pHYs; external pngDLL;
+function png_get_pixel_aspect_ratio; external pngDLL;
+function png_get_pixels_per_meter; external pngDLL;
+function png_get_progressive_ptr; external pngDLL;
+function png_get_rowbytes; external pngDLL;
+function png_get_rows; external pngDLL;
+function png_get_sBIT; external pngDLL;
+function png_get_sRGB; external pngDLL;
+function png_get_signature; external pngDLL;
+function png_get_tIME; external pngDLL;
+function png_get_tRNS; external pngDLL;
+function png_get_text; external pngDLL;
+function png_get_user_chunk_ptr; external pngDLL;
+function png_get_valid; external pngDLL;
+function png_get_x_offset_microns; external pngDLL;
+function png_get_x_offset_pixels; external pngDLL;
+function png_get_x_pixels_per_meter; external pngDLL;
+function png_get_y_offset_microns; external pngDLL;
+function png_get_y_offset_pixels; external pngDLL;
+function png_get_y_pixels_per_meter; external pngDLL;
+procedure png_process_data; external pngDLL;
+procedure png_progressive_combine_row; external pngDLL;
+procedure png_read_end; external pngDLL;
+procedure png_read_image; external pngDLL;
+procedure png_read_info; external pngDLL;
+procedure png_read_row; external pngDLL;
+procedure png_read_rows; external pngDLL;
+procedure png_read_update_info; external pngDLL;
+procedure png_set_IHDR; external pngDLL;
+procedure png_set_PLTE; external pngDLL;
+procedure png_set_bKGD; external pngDLL;
+procedure png_set_background; external pngDLL;
+procedure png_set_bgr; external pngDLL;
+procedure png_set_cHRM; external pngDLL;
+procedure png_set_cHRM_fixed; external pngDLL;
+procedure png_set_compression_level; external pngDLL;
+procedure png_set_compression_mem_level; external pngDLL;
+procedure png_set_compression_method; external pngDLL;
+procedure png_set_compression_strategy; external pngDLL;
+procedure png_set_compression_window_bits; external pngDLL;
+procedure png_set_crc_action; external pngDLL;
+procedure png_set_dither; external pngDLL;
+procedure png_set_error_fn; external pngDLL;
+procedure png_set_expand; external pngDLL;
+procedure png_set_filler; external pngDLL;
+procedure png_set_filter; external pngDLL;
+procedure png_set_filter_heuristics; external pngDLL;
+procedure png_set_flush; external pngDLL;
+procedure png_set_gAMA; external pngDLL;
+procedure png_set_gAMA_fixed; external pngDLL;
+procedure png_set_gamma; external pngDLL;
+procedure png_set_gray_to_rgb; external pngDLL;
+procedure png_set_hIST; external pngDLL;
+function png_set_interlace_handling; external pngDLL;
+procedure png_set_invert_alpha; external pngDLL;
+procedure png_set_invert_mono; external pngDLL;
+procedure png_set_oFFs; external pngDLL;
+procedure png_set_pCAL; external pngDLL;
+procedure png_set_pHYs; external pngDLL;
+procedure png_set_packing; external pngDLL;
+procedure png_set_packswap; external pngDLL;
+procedure png_set_progressive_read_fn; external pngDLL;
+procedure png_set_read_fn; external pngDLL;
+procedure png_set_read_status_fn; external pngDLL;
+procedure png_set_read_user_transform_fn; external pngDLL;
+procedure png_set_rgb_to_gray; external pngDLL;
+procedure png_set_rgb_to_gray_fixed; external pngDLL;
+procedure png_set_rows; external pngDLL;
+procedure png_set_sBIT; external pngDLL;
+procedure png_set_sRGB; external pngDLL;
+procedure png_set_sRGB_gAMA_and_cHRM; external pngDLL;
+procedure png_set_shift; external pngDLL;
+procedure png_set_sig_bytes; external pngDLL;
+procedure png_set_strip_16; external pngDLL;
+procedure png_set_strip_alpha; external pngDLL;
+procedure png_set_swap; external pngDLL;
+procedure png_set_swap_alpha; external pngDLL;
+procedure png_set_tIME; external pngDLL;
+procedure png_set_tRNS; external pngDLL;
+procedure png_set_text; external pngDLL;
+procedure png_set_user_chunk_fn; external pngDLL;
+procedure png_set_write_fn; external pngDLL;
+procedure png_set_write_status_fn; external pngDLL;
+procedure png_set_write_user_transform_fn; external pngDLL;
+function png_sig_cmp; external pngDLL;
+procedure png_start_read_image; external pngDLL;
+procedure png_write_chunk; external pngDLL;
+procedure png_write_chunk_data; external pngDLL;
+procedure png_write_chunk_end; external pngDLL;
+procedure png_write_chunk_start; external pngDLL;
+procedure png_write_end; external pngDLL;
+procedure png_write_flush; external pngDLL;
+procedure png_write_image; external pngDLL;
+procedure png_write_info; external pngDLL;
+procedure png_write_info_before_PLTE; external pngDLL;
+procedure png_write_row; external pngDLL;
+procedure png_write_rows; external pngDLL;
+procedure png_get_iCCP; external pngDLL;
+procedure png_get_sPLT; external pngDLL;
+procedure png_set_iCCP; external pngDLL;
+procedure png_set_sPLT; external pngDLL;
+procedure png_free_data; external pngDLL;
+
+end.
diff --git a/runtime/libpng/scripts/pngos2.def b/runtime/libpng/scripts/pngos2.def
new file mode 100644
index 0000000..3c4a3c8
--- /dev/null
+++ b/runtime/libpng/scripts/pngos2.def
@@ -0,0 +1,241 @@
+;----------------------------------------
+; PNG.LIB module definition file for OS/2
+;----------------------------------------
+
+; Version 1.2.5
+
+LIBRARY PNG
+DESCRIPTION "PNG image compression library for OS/2"
+CODE PRELOAD MOVEABLE DISCARDABLE
+DATA PRELOAD MOVEABLE MULTIPLE
+
+EXPORTS
+
+
+ png_build_grayscale_palette
+ png_check_sig
+ png_chunk_error
+ png_chunk_warning
+ png_convert_from_struct_tm
+ png_convert_from_time_t
+ png_create_info_struct
+ png_create_read_struct
+ png_create_write_struct
+ png_data_freer
+ png_destroy_info_struct
+ png_destroy_read_struct
+ png_destroy_write_struct
+ png_error
+ png_free
+ png_free_data
+ png_get_IHDR
+ png_get_PLTE
+ png_get_bKGD
+ png_get_bit_depth
+ png_get_cHRM
+ png_get_cHRM_fixed
+ png_get_channels
+ png_get_color_type
+ png_get_compression_buffer_size
+ png_get_compression_type
+ png_get_copyright
+ png_get_error_ptr
+ png_get_filter_type
+ png_get_gAMA
+ png_get_gAMA_fixed
+ png_get_hIST
+ png_get_header_ver
+ png_get_header_version
+ png_get_iCCP
+ png_get_image_height
+ png_get_image_width
+ png_get_interlace_type
+ png_get_io_ptr
+ png_get_libpng_ver
+ png_get_oFFs
+ png_get_pCAL
+ png_get_pHYs
+ png_get_pixel_aspect_ratio
+ png_get_pixels_per_meter
+ png_get_progressive_ptr
+ png_get_rgb_to_gray_status
+ png_get_rowbytes
+ png_get_rows
+ png_get_sBIT
+ png_get_sCAL
+ png_get_sPLT
+ png_get_sRGB
+ png_get_signature
+ png_get_tIME
+ png_get_tRNS
+ png_get_text
+ png_get_unknown_chunks
+ png_get_user_chunk_ptr
+ png_get_user_transform_ptr
+ png_get_valid
+ png_get_x_offset_microns
+ png_get_x_offset_pixels
+ png_get_x_pixels_per_meter
+ png_get_y_offset_microns
+ png_get_y_offset_pixels
+ png_get_y_pixels_per_meter
+ png_malloc
+ png_memcpy_check
+ png_memset_check
+ png_permit_empty_plte
+ png_process_data
+ png_progressive_combine_row
+ png_read_end
+ png_read_image
+ png_read_info
+ png_read_init ; deprecated
+ png_read_png
+ png_read_row
+ png_read_rows
+ png_read_update_info
+ png_reset_zstream
+ png_set_IHDR
+ png_set_PLTE
+ png_set_bKGD
+ png_set_background
+ png_set_bgr
+ png_set_cHRM
+ png_set_cHRM_fixed
+ png_set_compression_buffer_size
+ png_set_compression_level
+ png_set_compression_mem_level
+ png_set_compression_method
+ png_set_compression_strategy
+ png_set_compression_window_bits
+ png_set_crc_action
+ png_set_dither
+ png_set_error_fn
+ png_set_expand
+ png_set_filler
+ png_set_filter
+ png_set_filter_heuristics
+ png_set_flush
+ png_set_gAMA
+ png_set_gAMA_fixed
+ png_set_gamma
+ png_set_gray_1_2_4_to_8
+ png_set_gray_to_rgb
+ png_set_hIST
+ png_set_iCCP
+ png_set_interlace_handling
+ png_set_invert_alpha
+ png_set_invert_mono
+ png_set_keep_unknown_chunks
+ png_set_oFFs
+ png_set_pCAL
+ png_set_pHYs
+ png_set_packing
+ png_set_packswap
+ png_set_palette_to_rgb
+ png_set_progressive_read_fn
+ png_set_read_fn
+ png_set_read_status_fn
+ png_set_read_user_chunk_fn
+ png_set_read_user_transform_fn
+ png_set_rgb_to_gray
+ png_set_rgb_to_gray_fixed
+ png_set_rows
+ png_set_sBIT
+ png_set_sCAL
+ png_set_sPLT
+ png_set_sRGB
+ png_set_sRGB_gAMA_and_cHRM
+ png_set_shift
+ png_set_sig_bytes
+ png_set_strip_16
+ png_set_strip_alpha
+ png_set_swap
+ png_set_swap_alpha
+ png_set_tIME
+ png_set_tRNS
+ png_set_tRNS_to_alpha
+ png_set_text
+ png_set_unknown_chunk_location
+ png_set_unknown_chunks
+ png_set_user_transform_info
+ png_set_write_fn
+ png_set_write_status_fn
+ png_set_write_user_transform_fn
+ png_sig_cmp
+ png_start_read_image
+ png_warning
+ png_write_chunk
+ png_write_chunk_data
+ png_write_chunk_end
+ png_write_chunk_start
+ png_write_end
+ png_write_flush
+ png_write_image
+ png_write_info
+ png_write_info_before_PLTE
+ png_write_init ; deprecated
+ png_write_png
+ png_write_row
+ png_write_rows
+ png_read_init_2
+ png_write_init_2
+ png_access_version_number
+ png_init_io
+ png_convert_to_rfc1123
+ png_set_invalid
+
+; Added at version 1.2.0:
+ png_mmx_support
+ png_permit_empty_plte
+ png_permit_mng_features
+ png_get_mmx_flagmask
+ png_get_asm_flagmask
+ png_get_asm_flags
+ png_get_mmx_bitdepth_threshold
+ png_get_mmx_rowbytes_threshold
+ png_set_asm_flags
+ png_init_mmx_flags
+
+; Added at version 1.2.2:
+ png_handle_as_unknown
+
+; Added at version 1.2.2 and deleted from 1.2.3:
+; png_zalloc
+; png_zfree
+
+; Added at version 1.2.4
+ png_malloc_warn
+
+; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
+ png_libpng_ver
+ png_pass_start
+ png_pass_inc
+ png_pass_ystart
+ png_pass_yinc
+ png_pass_mask
+ png_pass_dsp_mask
+; png_pass_width
+; png_pass_height
+
+; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
+ png_IHDR
+ png_IDAT
+ png_IEND
+ png_PLTE
+ png_bKGD
+ png_cHRM
+ png_gAMA
+ png_hIST
+ png_iCCP
+ png_iTXt
+ png_oFFs
+ png_pCAL
+ png_pHYs
+ png_sBIT
+ png_sCAL
+ png_sPLT
+ png_sRGB
+ png_tEXt
+ png_tIME
+ png_tRNS
+ png_zTXt
diff --git a/runtime/libpng/scripts/smakefile.ppc b/runtime/libpng/scripts/smakefile.ppc
new file mode 100644
index 0000000..e5c0278
--- /dev/null
+++ b/runtime/libpng/scripts/smakefile.ppc
@@ -0,0 +1,30 @@
+# Amiga powerUP (TM) Makefile
+# makefile for libpng and SAS C V6.58/7.00 PPC compiler
+# Copyright (C) 1998 by Andreas R. Kleinert
+# For conditions of distribution and use, see copyright notice in png.h
+
+CC = scppc
+CFLAGS = NOSTKCHK NOSINT OPTIMIZE OPTGO OPTPEEP OPTINLOCAL OPTINL IDIR /zlib \
+ OPTLOOP OPTRDEP=8 OPTDEP=8 OPTCOMP=8
+LIBNAME = libpng.a
+AR = ppc-amigaos-ar
+AR_FLAGS = cr
+RANLIB = ppc-amigaos-ranlib
+LDFLAGS = -r -o
+LDLIBS = ../zlib/libzip.a LIB:scppc.a
+LN = ppc-amigaos-ld
+RM = delete quiet
+MKDIR = makedir
+
+OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o pngread.o \
+pngerror.o pngpread.o pngwrite.o pngrtran.o pngwtran.o pngrio.o pngwio.o pngmem.o
+
+all: $(LIBNAME) pngtest
+
+$(LIBNAME): $(OBJS)
+ $(AR) $(AR_FLAGS) $@ $(OBJS)
+ $(RANLIB) $@
+
+pngtest: pngtest.o $(LIBNAME)
+ $(LN) $(LDFLAGS) pngtest LIB:c_ppc.o pngtest.o $(LIBNAME) $(LDLIBS) \
+LIB:end.o