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 = 37 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 $(ALIGN) # $(WARNMORE) -g 54 55LDFLAGS=-L. -Wl,-rpath,. -L$(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 78# Pre-built configuration 79# See scripts/pnglibconf.mak for more options 80PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt 81 82OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 83 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 84 pngwtran.o pngmem.o pngerror.o pngpread.o 85 86OBJSDLL = $(OBJS:.o=.pic.o) 87 88.SUFFIXES: .c .o .pic.o 89 90.c.o: 91 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< 92 93.c.pic.o: 94 $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c 95 96all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 97 98pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) 99 $(CP) $(PNGLIBCONF_H_PREBUILT) $@ 100 101libpng.a: $(OBJS) 102 $(AR_RC) $@ $(OBJS) 103 $(RANLIB) $@ 104 105libpng.pc: 106 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 107 -e s!@exec_prefix@!$(exec_prefix)! \ 108 -e s!@libdir@!$(LIBPATH)! \ 109 -e s!@includedir@!$(INCPATH)! \ 110 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc 111 112libpng-config: 113 ( cat scripts/libpng-config-head.in; \ 114 echo prefix=\"$(prefix)\"; \ 115 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 116 echo L_opts=\"-L$(LIBPATH)\"; \ 117 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 118 echo libs=\"-lpng16 -lz -lm\"; \ 119 cat scripts/libpng-config-body.in ) > libpng-config 120 chmod +x libpng-config 121 122$(LIBSO): $(LIBSOMAJ) 123 $(LN_SF) $(LIBSOMAJ) $(LIBSO) 124 125$(LIBSOMAJ): $(OBJSDLL) 126 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(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 pnglibconf.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 pnglibconf.h $(DI)/$(LIBNAME) 148 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h 149 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h 150 -@$(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 $(LIBSOMAJ) libpng.pc 161 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 162 -@$(RM_F) $(DL)/$(LIBSO) 163 -@$(RM_F) $(DL)/$(LIBSOREL) 164 -@$(RM_F) $(DL)/$(OLDSO) 165 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL) 166 chmod 755 $(DL)/$(LIBSOREL) 167 (cd $(DL); \ 168 $(LN_SF) $(LIBSOREL) $(LIBSO); \ 169 $(LN_SF) $(LIBSO) $(OLDSO)) 170 171 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi 172 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc 173 -@$(RM_F) $(DL)/pkgconfig/libpng.pc 174 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 175 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 176 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) 177 178install-man: libpng.3 libpngpf.3 png.5 179 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi 180 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi 181 -@$(RM_F) $(DM)/man3/libpng.3 182 -@$(RM_F) $(DM)/man3/libpngpf.3 183 cp libpng.3 $(DM)/man3 184 cp libpngpf.3 $(DM)/man3 185 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi 186 -@$(RM_F) $(DM)/man5/png.5 187 cp png.5 $(DM)/man5 188 189install-config: libpng-config 190 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi 191 -@$(RM_F) $(DB)/libpng-config 192 -@$(RM_F) $(DB)/$(LIBNAME)-config 193 cp libpng-config $(DB)/$(LIBNAME)-config 194 chmod 755 $(DB)/$(LIBNAME)-config 195 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) 196 197install: install-static install-shared install-man install-config 198 199# If you installed in $(DESTDIR), test-installed won't work until you 200# move the library to its final location. Use test-dd to test it 201# before then. 202 203test-dd: 204 echo 205 echo Testing installed dynamic shared library in $(DL). 206 $(CC) -I$(DI) $(CPPFLAGS) \ 207 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 208 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 209 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` 210 ./pngtestd pngtest.png 211 212test-installed: 213 $(CC) $(CPPFLAGS) \ 214 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 215 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 216 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` 217 ./pngtesti pngtest.png 218 219clean: 220 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 221 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 222 libpng.pc pnglibconf.h 223 224DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO 225writelock: 226 chmod a-w *.[ch35] $(DOCS) scripts/* 227 228# DO NOT DELETE THIS LINE -- make depend depends on it. 229 230png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 231pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 232pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 233pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 234pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 235pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 236pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 237pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 238pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 239pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 240pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 241pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 242pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 243pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 244pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 245 246pngtest.o: png.h pngconf.h pnglibconf.h 247
