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 = 10 14 15# Shared library names: 16LIBSO=$(LIBNAME).so 17LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) 18LIBSOREL=$(LIBSOMAJ).$(RELEASE) 19OLDSO=libpng.so 20 21# Utilities: 22AR_RC=ar rc 23CC=gcc 24MKDIR_P=mkdir -p 25LN_SF=ln -sf 26RANLIB=ranlib 27RM_F=/bin/rm -f 28 29# where "make install" puts libpng16.a, libpng16.so*, 30# libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h 31# Prefix must be a full pathname. 32prefix=/usr/local 33exec_prefix=$(prefix) 34 35# Where the zlib library and include files are located. 36#ZLIBLIB=/usr/local/lib 37#ZLIBINC=/usr/local/include 38ZLIBLIB=../zlib 39ZLIBINC=../zlib 40 41ALIGN= 42# for i386: 43#ALIGN=-malign-loops=2 -malign-functions=2 44 45WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ 46 -Wmissing-declarations -Wtraditional -Wcast-align \ 47 -Wstrict-prototypes -Wmissing-prototypes #-Wconversion 48 49# for pgcc version 2.95.1, -O3 is buggy; don't use it. 50 51CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5 52CFLAGS= -W -Wall -O3 -funroll-loops \ 53 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 54 55LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm 56LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 57 58INCPATH=$(prefix)/include 59LIBPATH=$(exec_prefix)/lib 60MANPATH=$(prefix)/man 61BINPATH=$(exec_prefix)/bin 62 63# override DESTDIR= on the make install command line to easily support 64# installing into a temporary location. Example: 65# 66# make install DESTDIR=/tmp/build/libpng 67# 68# If you're going to install into a temporary location 69# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 70# you execute make install. 71DESTDIR= 72 73DB=$(DESTDIR)$(BINPATH) 74DI=$(DESTDIR)$(INCPATH) 75DL=$(DESTDIR)$(LIBPATH) 76DM=$(DESTDIR)$(MANPATH) 77 78OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 79 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 80 pngwtran.o pngmem.o pngerror.o pngpread.o 81 82OBJSDLL = $(OBJS:.o=.pic.o) 83 84.SUFFIXES: .c .o .pic.o 85 86.c.o: 87 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< 88 89.c.pic.o: 90 $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c 91 92all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 93 94# see scripts/pnglibconf.mak for more options 95pnglibconf.h: scripts/pnglibconf.h.prebuilt 96 cp scripts/pnglibconf.h.prebuilt $@ 97 98libpng.a: $(OBJS) 99 $(AR_RC) $@ $(OBJS) 100 $(RANLIB) $@ 101 102libpng.pc: 103 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 104 -e s!@exec_prefix@!$(exec_prefix)! \ 105 -e s!@libdir@!$(LIBPATH)! \ 106 -e s!@includedir@!$(INCPATH)! \ 107 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc 108 109libpng-config: 110 ( cat scripts/libpng-config-head.in; \ 111 echo prefix=\"$(prefix)\"; \ 112 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 113 echo L_opts=\"-L$(LIBPATH)\"; \ 114 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 115 echo libs=\"-lpng16 -lz -lm\"; \ 116 cat scripts/libpng-config-body.in ) > libpng-config 117 chmod +x libpng-config 118 119$(LIBSO): $(LIBSOMAJ) 120 $(LN_SF) $(LIBSOMAJ) $(LIBSO) 121 122$(LIBSOMAJ): $(OBJSDLL) 123 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL) 124 125pngtest: pngtest.o $(LIBSO) 126 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 127 128pngtest-static: pngtest.o libpng.a 129 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 130 131test: pngtest pngtest-static 132 @echo "" 133 @echo " Running pngtest dynamically linked with $(LIBSO):" 134 @echo "" 135 ./pngtest 136 @echo "" 137 @echo " Running pngtest statically linked with libpng.a:" 138 @echo "" 139 ./pngtest-static 140 141install-headers: png.h pngconf.h pnglibconf.h 142 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi 143 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi 144 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME) 145 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h 146 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h 147 -@$(RM_F) $(DI)/libpng 148 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) 149 150install-static: install-headers libpng.a 151 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 152 cp libpng.a $(DL)/$(LIBNAME).a 153 chmod 644 $(DL)/$(LIBNAME).a 154 -@$(RM_F) $(DL)/libpng.a 155 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) 156 157install-shared: install-headers $(LIBSOMAJ) libpng.pc 158 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 159 -@$(RM_F) $(DL)/$(LIBSO) 160 -@$(RM_F) $(DL)/$(LIBSOREL) 161 -@$(RM_F) $(DL)/$(OLDSO) 162 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL) 163 chmod 755 $(DL)/$(LIBSOREL) 164 (cd $(DL); \ 165 $(LN_SF) $(LIBSOREL) $(LIBSO); \ 166 $(LN_SF) $(LIBSO) $(OLDSO)) 167 168 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi 169 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc 170 -@$(RM_F) $(DL)/pkgconfig/libpng.pc 171 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 172 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 173 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) 174 175install-man: libpng.3 libpngpf.3 png.5 176 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi 177 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi 178 -@$(RM_F) $(DM)/man3/libpng.3 179 -@$(RM_F) $(DM)/man3/libpngpf.3 180 cp libpng.3 $(DM)/man3 181 cp libpngpf.3 $(DM)/man3 182 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi 183 -@$(RM_F) $(DM)/man5/png.5 184 cp png.5 $(DM)/man5 185 186install-config: libpng-config 187 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi 188 -@$(RM_F) $(DB)/libpng-config 189 -@$(RM_F) $(DB)/$(LIBNAME)-config 190 cp libpng-config $(DB)/$(LIBNAME)-config 191 chmod 755 $(DB)/$(LIBNAME)-config 192 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) 193 194install: install-static install-shared install-man install-config 195 196# If you installed in $(DESTDIR), test-installed won't work until you 197# move the library to its final location. Use test-dd to test it 198# before then. 199 200test-dd: 201 echo 202 echo Testing installed dynamic shared library in $(DL). 203 $(CC) -I$(DI) $(CPPFLAGS) \ 204 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 205 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 206 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` 207 ./pngtestd pngtest.png 208 209test-installed: 210 $(CC) $(CPPFLAGS) \ 211 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 212 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 213 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` 214 ./pngtesti pngtest.png 215 216clean: 217 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 218 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 219 libpng.pc pnglibconf.h 220 221DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 222writelock: 223 chmod a-w *.[ch35] $(DOCS) scripts/* 224 225# DO NOT DELETE THIS LINE -- make depend depends on it. 226 227png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 228pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 229pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 230pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 231pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 232pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 233pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 234pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 235pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 236pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 237pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 238pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 239pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 240pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 241pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 242 243pngtest.o: png.h pngconf.h pnglibconf.h 244
