1# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX 2# assembler code 3# Copyright 2002 Greg Roelofs and Glenn Randers-Pehrson 4# Copyright 1998-2001 Greg Roelofs 5# Copyright 1996-1997 Andreas Dilger 6# For conditions of distribution and use, see copyright notice in png.h 7 8# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier. 9 10# WARNING: The assembler code in pnggccrd.c may not be thread safe. 11 12# NOTE: When testing MMX performance on a multitasking system, make sure 13# there are no floating-point programs (e.g., SETI@Home) running in 14# the background! Context switches between MMX and FPU are expensive. 15 16LIBNAME = libpng12 17PNGMAJ = 0 18PNGMIN = 1.2.7 19PNGVER = $(PNGMAJ).$(PNGMIN) 20 21CC=gcc 22 23# where "make install" puts libpng12.a, libpng12.so*, 24# libpng12/png.h and libpng12/pngconf.h 25# Prefix must be a full pathname. 26prefix=/usr/local 27 28# Where the zlib library and include files are located. 29#ZLIBLIB=/usr/local/lib 30#ZLIBINC=/usr/local/include 31ZLIBLIB=../zlib 32ZLIBINC=../zlib 33 34ALIGN= 35# for i386: 36#ALIGN=-malign-loops=2 -malign-functions=2 37 38WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ 39 -Wmissing-declarations -Wtraditional -Wcast-align \ 40 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion 41 42# for pgcc version 2.95.1, -O3 is buggy; don't use it. 43 44# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety 45### for generic gcc: 46CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \ 47 -O3 $(ALIGN) -funroll-loops \ 48 -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5 49### for gcc 2.95.2 on 686: 50#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \ 51# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \ 52# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer 53### for gcc 2.7.2.3 on 486 and up: 54#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \ 55# -m486 -malign-double -ffast-math \ 56# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer 57 58LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm 59LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 60 61RANLIB=ranlib 62#RANLIB=echo 63 64INCPATH=$(prefix)/include 65LIBPATH=$(prefix)/lib 66MANPATH=$(prefix)/man 67BINPATH=$(prefix)/bin 68 69# override DESTDIR= on the make install command line to easily support 70# installing into a temporary location. Example: 71# 72# make install DESTDIR=/tmp/build/libpng 73# 74# If you're going to install into a temporary location 75# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 76# you execute make install. 77DESTDIR= 78 79DB=$(DESTDIR)$(BINPATH) 80DI=$(DESTDIR)$(INCPATH) 81DL=$(DESTDIR)$(LIBPATH) 82DM=$(DESTDIR)$(MANPATH) 83 84OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 85 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 86 pngwtran.o pngmem.o pngerror.o pngpread.o pnggccrd.o 87 88OBJSDLL = $(OBJS:.o=.pic.o) 89 90.SUFFIXES: .c .o .pic.o 91 92.c.pic.o: 93 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c 94 95all: libpng.a $(LIBNAME).so pngtest pngtest-static libpng.pc libpng-config 96 97libpng.a: $(OBJS) 98 ar rc $@ $(OBJS) 99 $(RANLIB) $@ 100 101libpng.pc: 102 cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc 103 104libpng-config: 105 ( cat scripts/libpng-config-head.in; \ 106 echo prefix=\"$(prefix)\"; \ 107 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 108 echo cppflags=\"-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD\"; \ 109 echo L_opts=\"-L$(LIBPATH)\"; \ 110 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 111 echo libs=\"-lpng12 -lz -lm\"; \ 112 cat scripts/libpng-config-body.in ) > libpng-config 113 chmod +x libpng-config 114 115pnggccrd.o: pnggccrd.c png.h pngconf.h 116 $(CC) -c $(CFLAGS) -o $@ $*.c 117 118pnggccrd.pic.o: pnggccrd.c png.h pngconf.h 119 $(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c 120 121$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ) 122 ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so 123 124$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER) 125 ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ) 126 127$(LIBNAME).so.$(PNGVER): $(OBJSDLL) 128 $(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \ 129 -o $(LIBNAME).so.$(PNGVER) \ 130 $(OBJSDLL) 131 132libpng.so.3.$(PNGMIN): $(OBJSDLL) 133 $(CC) -shared -Wl,-soname,libpng.so.3 \ 134 -o libpng.so.3.$(PNGMIN) \ 135 $(OBJSDLL) 136 137pngtest: pngtest.o $(LIBNAME).so 138 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 139 140pngtest-static: pngtest.o libpng.a 141 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 142 143test: pngtest pngtest-static 144 @echo "" 145 @echo " Running pngtest dynamically linked with $(LIBNAME).so:" 146 @echo "" 147 ./pngtest 148 @echo "" 149 @echo " Running pngtest statically linked with libpng.a:" 150 @echo "" 151 ./pngtest-static 152 153install-headers: png.h pngconf.h 154 -@if [ ! -d $(DI) ]; then mkdir $(DI); fi 155 -@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi 156 cp png.h pngconf.h $(DI)/$(LIBNAME) 157 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h 158 -@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h 159 -@/bin/rm -f $(DI)/libpng 160 (cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .) 161 162install-static: install-headers libpng.a 163 -@if [ ! -d $(DL) ]; then mkdir $(DL); fi 164 cp libpng.a $(DL)/$(LIBNAME).a 165 chmod 644 $(DL)/$(LIBNAME).a 166 -@/bin/rm -f $(DL)/libpng.a 167 (cd $(DL); ln -sf $(LIBNAME).a libpng.a) 168 169install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \ 170 libpng.so.3.$(PNGMIN) 171 -@if [ ! -d $(DL) ]; then mkdir $(DL); fi 172 -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so 173 -@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ) 174 -@/bin/rm -f $(DL)/libpng.so 175 -@/bin/rm -f $(DL)/libpng.so.3 176 -@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)* 177 cp $(LIBNAME).so.$(PNGVER) $(DL) 178 cp libpng.so.3.$(PNGMIN) $(DL) 179 chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER) 180 chmod 755 $(DL)/libpng.so.3.$(PNGMIN) 181 (cd $(DL); \ 182 ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \ 183 ln -sf libpng.so.3 libpng.so; \ 184 ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \ 185 ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so) 186 -@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi 187 -@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc 188 -@/bin/rm -f $(DL)/pkgconfig/libpng.pc 189 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 190 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 191 (cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc) 192 193install-man: libpng.3 libpngpf.3 png.5 194 -@if [ ! -d $(DM) ]; then mkdir $(DM); fi 195 -@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi 196 -@/bin/rm -f $(DM)/man3/libpng.3 197 -@/bin/rm -f $(DM)/man3/libpngpf.3 198 cp libpng.3 $(DM)/man3 199 cp libpngpf.3 $(DM)/man3 200 -@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi 201 -@/bin/rm -f $(DM)/man5/png.5 202 cp png.5 $(DM)/man5 203 204install-config: libpng-config 205 -@if [ ! -d $(DB) ]; then mkdir $(DB); fi 206 -@/bin/rm -f $(DB)/libpng-config 207 -@/bin/rm -f $(DB)/$(LIBNAME)-config 208 cp libpng-config $(DB)/$(LIBNAME)-config 209 chmod 755 $(DB)/$(LIBNAME)-config 210 (cd $(DB); ln -sf $(LIBNAME)-config libpng-config) 211 212install: install-static install-shared install-man install-config 213 214# If you installed in $(DESTDIR), test-installed won't work until you 215# move the library to its final location. Use test-dd to test it 216# before then. 217 218test-dd: 219 echo 220 echo Testing installed dynamic shared library in $(DL). 221 $(CC) -I$(DI) -I$(ZLIBINC) \ 222 `$(BINPATH)/libpng12-config --cflags` pngtest.c \ 223 -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 224 -o pngtestd `$(BINPATH)/libpng12-config --ldflags` 225 ./pngtestd pngtest.png 226 227test-installed: 228 $(CC) -I$(ZLIBINC) \ 229 `$(BINPATH)/libpng12-config --cflags` pngtest.c \ 230 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 231 -o pngtesti `$(BINPATH)/libpng12-config --ldflags` 232 ./pngtesti pngtest.png 233 234clean: 235 /bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \ 236 $(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \ 237 libpng.so.3.$(PNGMIN) \ 238 libpng.pc 239 240DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 241writelock: 242 chmod a-w *.[ch35] $(DOCS) scripts/* 243 244png.o png.pic.o: png.h pngconf.h png.c 245pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c 246pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c 247pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c 248pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c 249pngset.o pngset.pic.o: png.h pngconf.h pngset.c 250pngget.o pngget.pic.o: png.h pngconf.h pngget.c 251pngread.o pngread.pic.o: png.h pngconf.h pngread.c 252pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c 253pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c 254pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c 255pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c 256pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c 257pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c 258pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c 259 260pngtest.o: png.h pngconf.h pngtest.c 261