1# makefile for libpng.a and libpng12.so on Linux ELF with gcc 2# Copyright (C) 1998, 1999, 2002, 2006, 2008 Greg Roelofs and 3# Glenn Randers-Pehrson 4# Copyright (C) 1996, 1997 Andreas Dilger 5# 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 9 10# Library name: 11LIBNAME = libpng12 12PNGMAJ = 0 13PNGMIN = 1.2.46 14PNGVER = $(PNGMAJ).$(PNGMIN) 15 16# Shared library names: 17LIBSO=$(LIBNAME).so 18LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) 19LIBSOVER=$(LIBNAME).so.$(PNGVER) 20OLDSO=libpng.so 21OLDSOMAJ=libpng.so.3 22OLDSOVER=libpng.so.3.$(PNGMIN) 23 24# Utilities: 25AR_RC=ar rc 26CC=gcc 27MKDIR_P=mkdir -p 28LN_SF=ln -sf 29RANLIB=ranlib 30RM_F=/bin/rm -f 31 32# where "make install" puts libpng12.a, libpng12.so*, 33# libpng12/png.h and libpng12/pngconf.h 34# Prefix must be a full pathname. 35prefix=/usr/local 36exec_prefix=$(prefix) 37 38# Where the zlib library and include files are located. 39#ZLIBLIB=/usr/local/lib 40#ZLIBINC=/usr/local/include 41ZLIBLIB=../zlib 42ZLIBINC=../zlib 43 44ALIGN= 45# for i386: 46#ALIGN=-malign-loops=2 -malign-functions=2 47 48WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ 49 -Wmissing-declarations -Wtraditional -Wcast-align \ 50 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion 51 52# for pgcc version 2.95.1, -O3 is buggy; don't use it. 53 54CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ 55 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 56 57LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm 58LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 59 60INCPATH=$(prefix)/include 61LIBPATH=$(exec_prefix)/lib 62MANPATH=$(prefix)/man 63BINPATH=$(exec_prefix)/bin 64 65# override DESTDIR= on the make install command line to easily support 66# installing into a temporary location. Example: 67# 68# make install DESTDIR=/tmp/build/libpng 69# 70# If you're going to install into a temporary location 71# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 72# you execute make install. 73DESTDIR= 74 75DB=$(DESTDIR)$(BINPATH) 76DI=$(DESTDIR)$(INCPATH) 77DL=$(DESTDIR)$(LIBPATH) 78DM=$(DESTDIR)$(MANPATH) 79 80OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 81 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 82 pngwtran.o pngmem.o pngerror.o pngpread.o 83 84OBJSDLL = $(OBJS:.o=.pic.o) 85 86.SUFFIXES: .c .o .pic.o 87 88.c.pic.o: 89 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c 90 91all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 92 93libpng.a: $(OBJS) 94 $(AR_RC) $@ $(OBJS) 95 $(RANLIB) $@ 96 97libpng.pc: 98 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 99 -e s!@exec_prefix@!$(exec_prefix)! \ 100 -e s!@libdir@!$(LIBPATH)! \ 101 -e s!@includedir@!$(INCPATH)! \ 102 -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc 103 104libpng-config: 105 ( cat scripts/libpng-config-head.in; \ 106 echo prefix=\"$(prefix)\"; \ 107 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 108 echo L_opts=\"-L$(LIBPATH)\"; \ 109 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 110 echo libs=\"-lpng12 -lz -lm\"; \ 111 cat scripts/libpng-config-body.in ) > libpng-config 112 chmod +x libpng-config 113 114$(LIBSO): $(LIBSOMAJ) 115 $(LN_SF) $(LIBSOMAJ) $(LIBSO) 116 117$(LIBSOMAJ): $(LIBSOVER) 118 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) 119 120$(LIBSOVER): $(OBJSDLL) 121 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOVER) $(OBJSDLL) 122 123$(OLDSOVER): $(OBJSDLL) 124 $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ 125 -o $(OLDSOVER) \ 126 $(OBJSDLL) 127 128pngtest: pngtest.o $(LIBSO) 129 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 130 131pngtest-static: pngtest.o libpng.a 132 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 133 134test: pngtest pngtest-static 135 @echo "" 136 @echo " Running pngtest dynamically linked with $(LIBSO):" 137 @echo "" 138 ./pngtest 139 @echo "" 140 @echo " Running pngtest statically linked with libpng.a:" 141 @echo "" 142 ./pngtest-static 143 144install-headers: png.h pngconf.h 145 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi 146 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi 147 cp png.h pngconf.h $(DI)/$(LIBNAME) 148 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h 149 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h 150 -@$(RM_F) $(DI)/libpng 151 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) 152 153install-static: install-headers libpng.a 154 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 155 cp libpng.a $(DL)/$(LIBNAME).a 156 chmod 644 $(DL)/$(LIBNAME).a 157 -@$(RM_F) $(DL)/libpng.a 158 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) 159 160install-shared: install-headers $(LIBSOVER) libpng.pc \ 161 $(OLDSOVER) 162 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 163 -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) 164 -@$(RM_F) $(DL)/$(LIBSOMAJ) 165 -@$(RM_F) $(DL)/$(OLDSO) 166 -@$(RM_F) $(DL)/$(OLDSOMAJ) 167 -@$(RM_F) $(DL)/$(OLDSOVER)* 168 cp $(LIBSOVER) $(DL) 169 cp $(OLDSOVER) $(DL) 170 chmod 755 $(DL)/$(LIBSOVER) 171 chmod 755 $(DL)/$(OLDSOVER) 172 (cd $(DL); \ 173 $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ 174 $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ 175 $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ 176 $(LN_SF) $(LIBSOMAJ) $(LIBSO)) 177 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi 178 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc 179 -@$(RM_F) $(DL)/pkgconfig/libpng.pc 180 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 181 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 182 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) 183 184install-man: libpng.3 libpngpf.3 png.5 185 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi 186 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi 187 -@$(RM_F) $(DM)/man3/libpng.3 188 -@$(RM_F) $(DM)/man3/libpngpf.3 189 cp libpng.3 $(DM)/man3 190 cp libpngpf.3 $(DM)/man3 191 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi 192 -@$(RM_F) $(DM)/man5/png.5 193 cp png.5 $(DM)/man5 194 195install-config: libpng-config 196 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi 197 -@$(RM_F) $(DB)/libpng-config 198 -@$(RM_F) $(DB)/$(LIBNAME)-config 199 cp libpng-config $(DB)/$(LIBNAME)-config 200 chmod 755 $(DB)/$(LIBNAME)-config 201 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) 202 203install: install-static install-shared install-man install-config 204 205# If you installed in $(DESTDIR), test-installed won't work until you 206# move the library to its final location. Use test-dd to test it 207# before then. 208 209test-dd: 210 echo 211 echo Testing installed dynamic shared library in $(DL). 212 $(CC) -I$(DI) -I$(ZLIBINC) \ 213 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 214 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 215 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` 216 ./pngtestd pngtest.png 217 218test-installed: 219 $(CC) -I$(ZLIBINC) \ 220 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 221 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 222 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` 223 ./pngtesti pngtest.png 224 225clean: 226 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 227 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 228 $(OLDSOVER) \ 229 libpng.pc 230 231DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 232writelock: 233 chmod a-w *.[ch35] $(DOCS) scripts/* 234 235# DO NOT DELETE THIS LINE -- make depend depends on it. 236 237png.o png.pic.o: png.h pngconf.h 238pngerror.o pngerror.pic.o: png.h pngconf.h 239pngrio.o pngrio.pic.o: png.h pngconf.h 240pngwio.o pngwio.pic.o: png.h pngconf.h 241pngmem.o pngmem.pic.o: png.h pngconf.h 242pngset.o pngset.pic.o: png.h pngconf.h 243pngget.o pngget.pic.o: png.h pngconf.h 244pngread.o pngread.pic.o: png.h pngconf.h 245pngrtran.o pngrtran.pic.o: png.h pngconf.h 246pngrutil.o pngrutil.pic.o: png.h pngconf.h 247pngtrans.o pngtrans.pic.o: png.h pngconf.h 248pngwrite.o pngwrite.pic.o: png.h pngconf.h 249pngwtran.o pngwtran.pic.o: png.h pngconf.h 250pngwutil.o pngwutil.pic.o: png.h pngconf.h 251pngpread.o pngpread.pic.o: png.h pngconf.h 252 253pngtest.o: png.h pngconf.h 254
