auto import from //depot/cupcake/@135843
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
new file mode 100644
index 0000000..810f1df
--- /dev/null
+++ b/scripts/makefile.sggcc
@@ -0,0 +1,242 @@
+# makefile for libpng.a and libpng12.so, SGI IRIX with 'cc'
+# Copyright (C) 2001-2002, 2006 Glenn Randers-Pehrson
+# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
+# For conditions of distribution and use, see copyright notice in png.h
+
+# Library name:
+LIBNAME=libpng12
+PNGMAJ = 0
+PNGMIN = 1.2.29
+PNGVER = $(PNGMAJ).$(PNGMIN)
+
+# Shared library names:
+LIBSO=$(LIBNAME).so
+LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
+LIBSOVER=$(LIBNAME).so.$(PNGVER)
+OLDSO=libpng.so
+OLDSOMAJ=libpng.so.3
+OLDSOVER=libpng.so.3.$(PNGMIN)
+
+# Utilities:
+AR_RC=ar rc
+CC=gcc
+MKDIR_P=mkdir -p
+LN_SF=ln -sf
+RANLIB=echo
+RM_F=/bin/rm -f
+
+# Where make install puts libpng.a, libpng12.so, and libpng12/png.h
+# Prefix must be a full pathname.
+
+prefix=/usr/local
+exec_prefix=$(prefix)
+
+# Where the zlib library and include files are located
+#ZLIBLIB=/usr/local/lib32
+#ZLIBINC=/usr/local/include
+#ZLIBLIB=/usr/local/lib
+#ZLIBINC=/usr/local/include
+ZLIBLIB=../zlib
+ZLIBINC=../zlib
+
+# ABI can be blank to use default for your system, -32, -o32, -n32, or -64
+# See "man abi". zlib must be built with the same ABI.
+ABI=
+
+WARNMORE= # -g -DPNG_DEBUG=5
+CFLAGS=$(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32 -DPNG_NO_MMX_CODE
+LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm
+LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \
+ -set_version sgi$(PNGMAJ).0
+LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \
+ -set_version sgi$3.0
+# See "man dso" for info about shared objects
+
+INCPATH=$(prefix)/include
+LIBPATH=$(exec_prefix)/lib
+#LIBPATH=$(exec_prefix)/lib32
+MANPATH=$(prefix)/man
+BINPATH=$(exec_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
+
+all: libpng.a pngtest shared libpng.pc libpng-config
+
+libpng.a: $(OBJS)
+ $(AR_RC) $@ $(OBJS)
+ $(RANLIB) $@
+
+shared: $(LIBSOVER)
+
+libpng.pc:
+ cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
+ -e s!@exec_prefix@!$(exec_prefix)! \
+ -e s!@libdir@!$(LIBPATH)! \
+ -e s!@includedir@!$(INCPATH)! \
+ -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc
+
+libpng-config:
+ ( cat scripts/libpng-config-head.in; \
+ echo prefix=\"$(prefix)\"; \
+ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
+ echo ccopts=\"$(ABI)\"; \
+ echo cppflags=\"-DPNG_NO_MMX_CODE\"; \
+ echo ldopts=\"$(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
+
+$(LIBSO): $(LIBSOMAJ)
+ $(LN_SF) $(LIBSOMAJ) $(LIBSO)
+
+$(LIBSOMAJ): $(LIBSOVER)
+ $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
+
+$(LIBSOVER): $(OBJS)
+ $(LDSHARED) -o $@ $(OBJS)
+ $(RM_F) $(LIBSO) $(LIBSOMAJ)
+
+$(OLDSOVER): $(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_P) $(DI); fi
+ -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
+ cp png.h pngconf.h $(DI)/$(LIBNAME)
+ chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
+ -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
+ -@$(RM_F) $(DI)/libpng
+ (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
+
+install-static: install-headers libpng.a
+ -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+ cp libpng.a $(DL)/$(LIBNAME).a
+ chmod 644 $(DL)/$(LIBNAME).a
+ -@$(RM_F) $(DL)/libpng.a
+ (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
+
+install-shared: install-headers $(LIBSOVER) libpng.pc \
+ $(OLDSOVER)
+ -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
+ -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
+ -@$(RM_F) $(DL)/$(LIBSOMAJ)
+ -@$(RM_F) $(DL)/$(OLDSO)
+ -@$(RM_F) $(DL)/$(OLDSOMAJ)
+ -@$(RM_F) $(DL)/$(OLDSOVER)*
+ cp $(LIBSOVER) $(DL)
+ cp $(OLDSOVER) $(DL)
+ chmod 755 $(DL)/$(LIBSOVER)
+ chmod 755 $(DL)/$(OLDSOVER)
+ (cd $(DL); \
+ $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
+ $(LN_SF) $(OLDSOMAJ) $(OLDSO); \
+ $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \
+ $(LN_SF) $(LIBSOMAJ) $(LIBSO))
+ -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
+ -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
+ -@$(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_P) $(DM); fi
+ -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
+ -@$(RM_F) $(DM)/man3/libpng.3
+ -@$(RM_F) $(DM)/man3/libpngpf.3
+ cp libpng.3 $(DM)/man3
+ cp libpngpf.3 $(DM)/man3
+ -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
+ -@$(RM_F) $(DM)/man5/png.5
+ cp png.5 $(DM)/man5
+
+install-config: libpng-config
+ -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
+ -@$(RM_F) $(DB)/libpng-config
+ -@$(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. Use test-dd to test it
+# before then.
+
+test-dd:
+ echo
+ echo Testing installed dynamic shared library in $(DL).
+ $(CC) -I$(DI) -I$(ZLIBINC) \
+ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
+ -L$(DL) -L$(ZLIBLIB) \
+ -rpath $(ZLIBLIB):$(DL) \
+ -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
+ ./pngtestd pngtest.png
+
+test-installed:
+ echo
+ echo Testing installed dynamic shared library.
+ $(CC) -I$(ZLIBINC) \
+ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
+ -L$(ZLIBLIB) \
+ -rpath $(ZLIBLIB):`$(BINPATH)/$(LIBNAME)-config --libdir` \
+ -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
+ ./pngtesti pngtest.png
+
+clean:
+ $(RM_F) libpng.a pngtest pngtesti pngout.png libpng.pc libpng-config \
+ $(LIBSO) $(LIBSOMAJ)* \
+ $(OLDSOVER) \
+ 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
+