1# makefile for libpng.a and libpng16.so on Linux ELF with gcc 2# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 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 = libpng16 12PNGMAJ = 16 13RELEASE = 34 14 15# Shared library names: 16LIBSO=$(LIBNAME).so 17LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) 18LIBSOREL=$(LIBSOMAJ).$(RELEASE) 19OLDSO=libpng.so 20 21# Utilities: 22AR_RC=ar rc 23CC=gcc 24MKDIR_P=mkdir -p 25LN_SF=ln -sf 26RANLIB=ranlib 27CP=cp 28RM_F=/bin/rm -f 29 30# where "make install" puts libpng16.a, libpng16.so*, 31# libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h 32# Prefix must be a full pathname. 33prefix=/usr/local 34exec_prefix=$(prefix) 35 36# Where the zlib library and include files are located. 37#ZLIBLIB=/usr/local/lib 38#ZLIBINC=/usr/local/include 39ZLIBLIB=../zlib 40ZLIBINC=../zlib 41 42ALIGN= 43# for i386: 44#ALIGN=-malign-loops=2 -malign-functions=2 45 46WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ 47 -Wmissing-declarations -Wtraditional -Wcast-align \ 48 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion 49 50# for pgcc version 2.95.1, -O3 is buggy; don't use it. 51 52CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5 53CFLAGS= -W -Wall -O3 -funroll-loops \ 54 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 55 56LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm 57LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 58 59INCPATH=$(prefix)/include 60LIBPATH=$(exec_prefix)/lib 61MANPATH=$(prefix)/man 62BINPATH=$(exec_prefix)/bin 63 64# override DESTDIR= on the make install command line to easily support 65# installing into a temporary location. Example: 66# 67# make install DESTDIR=/tmp/build/libpng 68# 69# If you're going to install into a temporary location 70# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 71# you execute make install. 72DESTDIR= 73 74DB=$(DESTDIR)$(BINPATH) 75DI=$(DESTDIR)$(INCPATH) 76DL=$(DESTDIR)$(LIBPATH) 77DM=$(DESTDIR)$(MANPATH) 78 79# Pre-built configuration 80# See scripts/pnglibconf.mak for more options 81PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt 82 83OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 84 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 85 pngwtran.o pngmem.o pngerror.o pngpread.o 86 87OBJSDLL = $(OBJS:.o=.pic.o) 88 89.SUFFIXES: .c .o .pic.o 90 91.c.o: 92 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< 93 94.c.pic.o: 95 $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c 96 97all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 98 99pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) 100 $(CP) $(PNGLIBCONF_H_PREBUILT) $@ 101 102libpng.a: $(OBJS) 103 $(AR_RC) $@ $(OBJS) 104 $(RANLIB) $@ 105 106libpng.pc: 107 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 108 -e s!@exec_prefix@!$(exec_prefix)! \ 109 -e s!@libdir@!$(LIBPATH)! \ 110 -e s!@includedir@!$(INCPATH)! \ 111 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc 112 113libpng-config: 114 ( cat scripts/libpng-config-head.in; \ 115 echo prefix=\"$(prefix)\"; \ 116 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 117 echo L_opts=\"-L$(LIBPATH)\"; \ 118 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 119 echo libs=\"-lpng16 -lz -lm\"; \ 120 cat scripts/libpng-config-body.in ) > libpng-config 121 chmod +x libpng-config 122 123$(LIBSO): $(LIBSOMAJ) 124 $(LN_SF) $(LIBSOMAJ) $(LIBSO) 125 126$(LIBSOMAJ): $(OBJSDLL) 127 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL) 128 129pngtest: pngtest.o $(LIBSO) 130 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 131 132pngtest-static: pngtest.o libpng.a 133 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 134 135test: pngtest pngtest-static 136 @echo "" 137 @echo " Running pngtest dynamically linked with $(LIBSO):" 138 @echo "" 139 ./pngtest 140 @echo "" 141 @echo " Running pngtest statically linked with libpng.a:" 142 @echo "" 143 ./pngtest-static 144 145install-headers: png.h pngconf.h pnglibconf.h 146 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi 147 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi 148 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME) 149 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h 150 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h 151 -@$(RM_F) $(DI)/libpng 152 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) 153 154install-static: install-headers libpng.a 155 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 156 cp libpng.a $(DL)/$(LIBNAME).a 157 chmod 644 $(DL)/$(LIBNAME).a 158 -@$(RM_F) $(DL)/libpng.a 159 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) 160 161install-shared: install-headers $(LIBSOMAJ) libpng.pc 162 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 163 -@$(RM_F) $(DL)/$(LIBSO) 164 -@$(RM_F) $(DL)/$(LIBSOREL) 165 -@$(RM_F) $(DL)/$(OLDSO) 166 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL) 167 chmod 755 $(DL)/$(LIBSOREL) 168 (cd $(DL); \ 169 $(LN_SF) $(LIBSOREL) $(LIBSO); \ 170 $(LN_SF) $(LIBSO) $(OLDSO)) 171 172 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi 173 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc 174 -@$(RM_F) $(DL)/pkgconfig/libpng.pc 175 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 176 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 177 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) 178 179install-man: libpng.3 libpngpf.3 png.5 180 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi 181 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi 182 -@$(RM_F) $(DM)/man3/libpng.3 183 -@$(RM_F) $(DM)/man3/libpngpf.3 184 cp libpng.3 $(DM)/man3 185 cp libpngpf.3 $(DM)/man3 186 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi 187 -@$(RM_F) $(DM)/man5/png.5 188 cp png.5 $(DM)/man5 189 190install-config: libpng-config 191 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi 192 -@$(RM_F) $(DB)/libpng-config 193 -@$(RM_F) $(DB)/$(LIBNAME)-config 194 cp libpng-config $(DB)/$(LIBNAME)-config 195 chmod 755 $(DB)/$(LIBNAME)-config 196 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) 197 198install: install-static install-shared install-man install-config 199 200# If you installed in $(DESTDIR), test-installed won't work until you 201# move the library to its final location. Use test-dd to test it 202# before then. 203 204test-dd: 205 echo 206 echo Testing installed dynamic shared library in $(DL). 207 $(CC) -I$(DI) $(CPPFLAGS) \ 208 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 209 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 210 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` 211 ./pngtestd pngtest.png 212 213test-installed: 214 $(CC) $(CPPFLAGS) \ 215 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 216 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 217 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` 218 ./pngtesti pngtest.png 219 220clean: 221 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 222 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 223 libpng.pc pnglibconf.h 224 225DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 226writelock: 227 chmod a-w *.[ch35] $(DOCS) scripts/* 228 229# DO NOT DELETE THIS LINE -- make depend depends on it. 230 231png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 232pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 233pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 234pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 235pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 236pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 237pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 238pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 239pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 240pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 241pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 242pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 243pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 244pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 245pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 246 247pngtest.o: png.h pngconf.h pnglibconf.h 248
