The Android Open Source Project | 893912b | 2009-03-03 19:30:05 -0800 | [diff] [blame] | 1 | # makefile for libpng.a and libpng12.so on Linux ELF with gcc |
The Android Open Source Project | 4215dd1 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 2 | # Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs |
| 3 | # and Glenn Randers-Pehrson |
The Android Open Source Project | 893912b | 2009-03-03 19:30:05 -0800 | [diff] [blame] | 4 | # Copyright (C) 1996, 1997 Andreas Dilger |
Patrick Scott | 5f6bd84 | 2010-06-28 16:55:16 -0400 | [diff] [blame^] | 5 | # |
Patrick Scott | a0bb96c | 2009-07-22 11:50:02 -0400 | [diff] [blame] | 6 | # This code is released under the libpng license. |
| 7 | # For conditions of distribution and use, see the disclaimer |
| 8 | # and license in png.h |
The Android Open Source Project | 893912b | 2009-03-03 19:30:05 -0800 | [diff] [blame] | 9 | |
| 10 | # Modified for Debian by Junichi Uekawa and Josselin Mouette |
| 11 | # Major modifications are: |
| 12 | # * link libpng explicitly with libz and libm |
| 13 | # * $(OLDSO).3 is a symlink rather than a different library |
| 14 | # * versioned symbols |
| 15 | |
| 16 | # Library name: |
| 17 | LIBNAME = libpng12 |
| 18 | PNGMAJ = 0 |
Patrick Scott | 5f6bd84 | 2010-06-28 16:55:16 -0400 | [diff] [blame^] | 19 | PNGMIN = 1.2.44 |
The Android Open Source Project | 893912b | 2009-03-03 19:30:05 -0800 | [diff] [blame] | 20 | PNGVER = $(PNGMAJ).$(PNGMIN) |
| 21 | |
| 22 | # Shared library names: |
| 23 | LIBSO=$(LIBNAME).so |
| 24 | LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) |
| 25 | LIBSOVER=$(LIBNAME).so.$(PNGVER) |
| 26 | OLDSO=libpng.so |
| 27 | OLDSOMAJ=libpng.so.3 |
| 28 | OLDSOVER=libpng.so.3.$(PNGMIN) |
| 29 | |
| 30 | # Utilities: |
| 31 | AR_RC=ar rc |
| 32 | CC=gcc |
| 33 | MKDIR_P=mkdir -p |
| 34 | LN_SF=ln -sf |
| 35 | RANLIB=ranlib |
| 36 | RM_F=/bin/rm -f |
| 37 | |
| 38 | # where "make install" puts libpng12.a, libpng12.so*, |
| 39 | # libpng12/png.h and libpng12/pngconf.h |
| 40 | # Prefix must be a full pathname. |
| 41 | prefix=/usr/local |
| 42 | exec_prefix=$(prefix) |
| 43 | |
| 44 | # Where the zlib library and include files are located. |
| 45 | ZLIBLIB=/usr/local/lib |
| 46 | ZLIBINC=/usr/local/include |
| 47 | # ZLIBLIB=../zlib |
| 48 | # ZLIBINC=../zlib |
| 49 | |
| 50 | ALIGN= |
| 51 | # for i386: |
| 52 | #ALIGN=-malign-loops=2 -malign-functions=2 |
| 53 | |
| 54 | WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ |
| 55 | -Wmissing-declarations -Wtraditional -Wcast-align \ |
| 56 | -Wstrict-prototypes -Wmissing-prototypes #-Wconversion |
| 57 | |
| 58 | # for pgcc version 2.95.1, -O3 is buggy; don't use it. |
| 59 | |
The Android Open Source Project | 4215dd1 | 2009-03-09 11:52:12 -0700 | [diff] [blame] | 60 | CFLAGS=-W -Wall -D_REENTRANT -O2 \ |
The Android Open Source Project | 893912b | 2009-03-03 19:30:05 -0800 | [diff] [blame] | 61 | $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 |
| 62 | |
| 63 | LDFLAGS=-L. -lpng12 |
| 64 | LDFLAGS_A=libpng.a -lz -lm |
| 65 | LIBADDFLAGS=-lz -lm |
| 66 | |
| 67 | |
| 68 | INCPATH=$(prefix)/include |
| 69 | LIBPATH=$(exec_prefix)/lib |
| 70 | MANPATH=$(prefix)/man |
| 71 | BINPATH=$(exec_prefix)/bin |
| 72 | |
| 73 | # override DESTDIR= on the make install command line to easily support |
| 74 | # installing into a temporary location. Example: |
| 75 | # |
| 76 | # make install DESTDIR=/tmp/build/libpng |
| 77 | # |
| 78 | # If you're going to install into a temporary location |
| 79 | # via DESTDIR, $(DESTDIR)$(prefix) must already exist before |
| 80 | # you execute make install. |
| 81 | DESTDIR= |
| 82 | |
| 83 | DB=$(DESTDIR)$(BINPATH) |
| 84 | DI=$(DESTDIR)$(INCPATH) |
| 85 | DL=$(DESTDIR)$(LIBPATH) |
| 86 | DM=$(DESTDIR)$(MANPATH) |
| 87 | |
| 88 | OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ |
| 89 | pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ |
| 90 | pngwtran.o pngmem.o pngerror.o pngpread.o |
| 91 | |
| 92 | OBJSDLL = $(OBJS:.o=.pic.o) |
| 93 | |
| 94 | .SUFFIXES: .c .o .pic.o |
| 95 | |
| 96 | .c.pic.o: |
| 97 | $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c |
| 98 | |
| 99 | all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config |
| 100 | |
| 101 | libpng.a: $(OBJS) |
| 102 | $(AR_RC) $@ $(OBJS) |
| 103 | $(RANLIB) $@ |
| 104 | |
| 105 | libpng.pc: |
| 106 | cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ |
| 107 | -e s!@exec_prefix@!$(exec_prefix)! \ |
| 108 | -e s!@libdir@!$(LIBPATH)! \ |
| 109 | -e s!@includedir@!$(INCPATH)! \ |
| 110 | -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc |
| 111 | |
| 112 | libpng.syms: png.h pngconf.h |
| 113 | $(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\ |
| 114 | awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG12_%s {global:\n",PNGMAJ)}\ |
| 115 | { for (i=1;i+2<=NF;++i)\ |
| 116 | if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\ |
| 117 | print $$(i+1) ";";\ |
| 118 | for (i=1;i+1<=NF;++i)\ |
| 119 | if ($$(i)=="PNG_DATA_EXPORT")\ |
| 120 | print $$(i+1) ";";}\ |
| 121 | END{print "local: *; };"}' >$@.new |
| 122 | $(RM_F) $@ |
| 123 | mv $@.new $@ |
| 124 | |
| 125 | libpng-config: |
| 126 | ( cat scripts/libpng-config-head.in; \ |
| 127 | echo prefix=\"$(prefix)\"; \ |
| 128 | echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ |
| 129 | echo L_opts=\"\"; \ |
| 130 | echo R_opts=\"\"; \ |
| 131 | echo libs=\"-lpng12\"; \ |
| 132 | echo all_libs=\"-lpng12 $(LIBADDFLAGS)\"; \ |
| 133 | cat scripts/libpng-config-body.in ) > libpng-config |
| 134 | chmod +x libpng-config |
| 135 | |
| 136 | $(LIBSO): $(LIBSOMAJ) |
| 137 | $(LN_SF) $(LIBSOMAJ) $(LIBSO) |
| 138 | |
| 139 | $(LIBSOMAJ): $(LIBSOVER) |
| 140 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) |
| 141 | |
| 142 | $(LIBSOVER): $(OBJSDLL) libpng.syms |
| 143 | $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ |
| 144 | -Wl,-version-script,libpng.syms \ |
| 145 | -o $(LIBSOVER) \ |
| 146 | $(OBJSDLL) |
| 147 | |
| 148 | $(OLDSOVER): $(OBJSDLL) libpng.syms |
| 149 | $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ |
| 150 | -Wl,-version-script,libpng.syms \ |
| 151 | -o $(OLDSOVER) \ |
| 152 | $(OBJSDLL) |
| 153 | |
| 154 | pngtest: pngtest.o $(LIBSO) |
| 155 | $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) |
| 156 | |
| 157 | pngtest-static: pngtest.o libpng.a |
| 158 | $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) |
| 159 | |
| 160 | test: pngtest pngtest-static |
| 161 | @echo "" |
| 162 | @echo " Running pngtest dynamically linked with $(LIBSO):" |
| 163 | @echo "" |
| 164 | LD_LIBRARY_PATH=".:${LD_LIBRARY_PATH}" ./pngtest |
| 165 | @echo "" |
| 166 | @echo " Running pngtest statically linked with libpng.a:" |
| 167 | @echo "" |
| 168 | ./pngtest-static |
| 169 | |
| 170 | install-headers: png.h pngconf.h |
| 171 | -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi |
| 172 | -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi |
| 173 | cp png.h pngconf.h $(DI)/$(LIBNAME) |
| 174 | chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h |
| 175 | -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h |
| 176 | -@$(RM_F) $(DI)/libpng |
| 177 | (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) |
| 178 | |
| 179 | install-static: install-headers libpng.a |
| 180 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi |
| 181 | cp libpng.a $(DL)/$(LIBNAME).a |
| 182 | chmod 644 $(DL)/$(LIBNAME).a |
| 183 | -@$(RM_F) $(DL)/libpng.a |
| 184 | (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) |
| 185 | |
| 186 | install-shared: install-headers $(LIBSOVER) libpng.pc \ |
| 187 | $(OLDSOVER) |
| 188 | -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi |
| 189 | -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) |
| 190 | -@$(RM_F) $(DL)/$(LIBSOMAJ) |
| 191 | -@$(RM_F) $(DL)/$(OLDSO) |
| 192 | -@$(RM_F) $(DL)/$(OLDSOMAJ) |
| 193 | -@$(RM_F) $(DL)/$(OLDSOVER)* |
| 194 | cp $(LIBSOVER) $(DL) |
| 195 | cp $(OLDSOVER) $(DL) |
| 196 | chmod 755 $(DL)/$(LIBSOVER) |
| 197 | chmod 755 $(DL)/$(OLDSOVER) |
| 198 | (cd $(DL); \ |
| 199 | $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ |
| 200 | $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ |
| 201 | $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ |
| 202 | $(LN_SF) $(LIBSOMAJ) $(LIBSO)) |
| 203 | -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi |
| 204 | -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc |
| 205 | -@$(RM_F) $(DL)/pkgconfig/libpng.pc |
| 206 | cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc |
| 207 | chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc |
| 208 | (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) |
| 209 | |
| 210 | install-man: libpng.3 libpngpf.3 png.5 |
| 211 | -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi |
| 212 | -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi |
| 213 | -@$(RM_F) $(DM)/man3/libpng.3 |
| 214 | -@$(RM_F) $(DM)/man3/libpngpf.3 |
| 215 | cp libpng.3 $(DM)/man3 |
| 216 | cp libpngpf.3 $(DM)/man3 |
| 217 | -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi |
| 218 | -@$(RM_F) $(DM)/man5/png.5 |
| 219 | cp png.5 $(DM)/man5 |
| 220 | |
| 221 | install-config: libpng-config |
| 222 | -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi |
| 223 | -@$(RM_F) $(DB)/libpng-config |
| 224 | -@$(RM_F) $(DB)/$(LIBNAME)-config |
| 225 | cp libpng-config $(DB)/$(LIBNAME)-config |
| 226 | chmod 755 $(DB)/$(LIBNAME)-config |
| 227 | (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) |
| 228 | |
| 229 | install: install-static install-shared install-man install-config |
| 230 | |
| 231 | # If you installed in $(DESTDIR), test-installed won't work until you |
| 232 | # move the library to its final location. Use test-dd to test it |
| 233 | # before then. |
| 234 | |
| 235 | test-dd: |
| 236 | echo |
| 237 | echo Testing installed dynamic shared library in $(DL). |
| 238 | $(CC) -I$(DI) -I$(ZLIBINC) \ |
| 239 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ |
| 240 | -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ |
| 241 | -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` |
| 242 | ./pngtestd pngtest.png |
| 243 | |
| 244 | test-installed: |
| 245 | $(CC) -I$(ZLIBINC) \ |
| 246 | `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ |
| 247 | -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ |
| 248 | -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` |
| 249 | ./pngtesti pngtest.png |
| 250 | |
| 251 | clean: |
| 252 | $(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \ |
| 253 | $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ |
| 254 | $(OLDSOVER) \ |
| 255 | libpng.pc |
| 256 | |
| 257 | DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO |
| 258 | writelock: |
| 259 | chmod a-w *.[ch35] $(DOCS) scripts/* |
| 260 | |
| 261 | # DO NOT DELETE THIS LINE -- make depend depends on it. |
| 262 | |
| 263 | png.o png.pic.o: png.h pngconf.h |
| 264 | pngerror.o pngerror.pic.o: png.h pngconf.h |
| 265 | pngrio.o pngrio.pic.o: png.h pngconf.h |
| 266 | pngwio.o pngwio.pic.o: png.h pngconf.h |
| 267 | pngmem.o pngmem.pic.o: png.h pngconf.h |
| 268 | pngset.o pngset.pic.o: png.h pngconf.h |
| 269 | pngget.o pngget.pic.o: png.h pngconf.h |
| 270 | pngread.o pngread.pic.o: png.h pngconf.h |
| 271 | pngrtran.o pngrtran.pic.o: png.h pngconf.h |
| 272 | pngrutil.o pngrutil.pic.o: png.h pngconf.h |
| 273 | pngtrans.o pngtrans.pic.o: png.h pngconf.h |
| 274 | pngwrite.o pngwrite.pic.o: png.h pngconf.h |
| 275 | pngwtran.o pngwtran.pic.o: png.h pngconf.h |
| 276 | pngwutil.o pngwutil.pic.o: png.h pngconf.h |
| 277 | pngpread.o pngpread.pic.o: png.h pngconf.h |
| 278 | |
| 279 | pngtest.o: png.h pngconf.h |