1# makefile for libpng.a and libpng16.so on Linux ELF with gcc 2# Copyright (C) 1998,1999,2002,2006,2008,2010-2014,2017 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 46#WARNMORE=-Wwrite-strings -Wpointer-arith \ 47# -Wmissing-declarations -Wtraditional -Wcast-align \ 48# -Wstrict-prototypes -Wmissing-prototypes 49 50# for pgcc version 2.95.1, -O3 is buggy; don't use it. 51 52CPPFLAGS=-I$(ZLIBINC) 53CPPFLAGS += -DPNG_ARM_NEON 54CPPFLAGS += -DPNG_MIPS_MSA 55CPPFLAGS += -DPNG_INTEL_SSE 56CPPFLAGS += -DPNG_POWERPC_VSX 57CPPFLAGS+=-ansi -pedantic -Wextra -Wall -Wshadow -Wno-sign-conversion 58CPPFLAGS+=-W -Wall -Wconversion $(ALIGN) 59# CPPFLAGS+=$(WARNMORE) 60CFLAGS= -O3 -funroll-loops 61 62LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm 63LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 64 65INCPATH=$(prefix)/include 66LIBPATH=$(exec_prefix)/lib 67MANPATH=$(prefix)/man 68BINPATH=$(exec_prefix)/bin 69 70# override DESTDIR= on the make install command line to easily support 71# installing into a temporary location. Example: 72# 73# make install DESTDIR=/tmp/build/libpng 74# 75# If you're going to install into a temporary location 76# via DESTDIR, $(DESTDIR)$(prefix) must already exist before 77# you execute make install. 78DESTDIR= 79 80DB=$(DESTDIR)$(BINPATH) 81DI=$(DESTDIR)$(INCPATH) 82DL=$(DESTDIR)$(LIBPATH) 83DM=$(DESTDIR)$(MANPATH) 84 85# Pre-built configuration 86# See scripts/pnglibconf.mak for more options 87PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt 88 89OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ 90 pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ 91 pngwtran.o pngmem.o pngerror.o pngpread.o \ 92 arm/arm_init.o arm/filter_neon_intrinsics.o \ 93 mips/mips_init.o mips/filter_msa_intrinsics.o \ 94 intel/intel_init.o intel/filter_sse2_intrinsics.o\ 95 powerpc/powerpc_init.o powerpc/filter_vsx_intrinsics.o 96 97OBJSDLL = $(OBJS:.o=.pic.o) 98 99.SUFFIXES: .c .o .pic.o 100 101.c.o: 102 $(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $< 103 104.c.pic.o: 105 $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c 106 107all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 108 109pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) 110 $(CP) $(PNGLIBCONF_H_PREBUILT) $@ 111 112libpng.a: $(OBJS) 113 $(AR_RC) $@ $(OBJS) 114 $(RANLIB) $@ 115 116libpng.pc: 117 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 118 -e s!@exec_prefix@!$(exec_prefix)! \ 119 -e s!@libdir@!$(LIBPATH)! \ 120 -e s!@includedir@!$(INCPATH)! \ 121 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc 122 123libpng-config: 124 ( cat scripts/libpng-config-head.in; \ 125 echo prefix=\"$(prefix)\"; \ 126 echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ 127 echo L_opts=\"-L$(LIBPATH)\"; \ 128 echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ 129 echo libs=\"-lpng16 -lz -lm\"; \ 130 cat scripts/libpng-config-body.in ) > libpng-config 131 chmod +x libpng-config 132 133$(LIBSO): $(LIBSOMAJ) 134 $(LN_SF) $(LIBSOMAJ) $(LIBSO) 135 136$(LIBSOMAJ): $(OBJSDLL) 137 $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL) 138 139pngtest: pngtest.o $(LIBSO) 140 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 141 142pngtest-static: pngtest.o libpng.a 143 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 144 145test: pngtest pngtest-static 146 @echo "" 147 @echo " Running pngtest dynamically linked with $(LIBSO):" 148 @echo "" 149 ./pngtest 150 @echo "" 151 @echo " Running pngtest statically linked with libpng.a:" 152 @echo "" 153 ./pngtest-static 154 155install-headers: png.h pngconf.h pnglibconf.h 156 -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi 157 -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi 158 cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME) 159 chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h 160 -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h 161 -@$(RM_F) $(DI)/libpng 162 (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) 163 164install-static: install-headers libpng.a 165 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 166 cp libpng.a $(DL)/$(LIBNAME).a 167 chmod 644 $(DL)/$(LIBNAME).a 168 -@$(RM_F) $(DL)/libpng.a 169 (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) 170 171install-shared: install-headers $(LIBSOMAJ) libpng.pc 172 -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi 173 -@$(RM_F) $(DL)/$(LIBSO) 174 -@$(RM_F) $(DL)/$(LIBSOREL) 175 -@$(RM_F) $(DL)/$(OLDSO) 176 cp $(LIBSOMAJ) $(DL)/$(LIBSOREL) 177 chmod 755 $(DL)/$(LIBSOREL) 178 (cd $(DL); \ 179 $(LN_SF) $(LIBSOREL) $(LIBSO); \ 180 $(LN_SF) $(LIBSO) $(OLDSO)) 181 182 -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi 183 -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc 184 -@$(RM_F) $(DL)/pkgconfig/libpng.pc 185 cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc 186 chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc 187 (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) 188 189install-man: libpng.3 libpngpf.3 png.5 190 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi 191 -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi 192 -@$(RM_F) $(DM)/man3/libpng.3 193 -@$(RM_F) $(DM)/man3/libpngpf.3 194 cp libpng.3 $(DM)/man3 195 cp libpngpf.3 $(DM)/man3 196 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi 197 -@$(RM_F) $(DM)/man5/png.5 198 cp png.5 $(DM)/man5 199 200install-config: libpng-config 201 -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi 202 -@$(RM_F) $(DB)/libpng-config 203 -@$(RM_F) $(DB)/$(LIBNAME)-config 204 cp libpng-config $(DB)/$(LIBNAME)-config 205 chmod 755 $(DB)/$(LIBNAME)-config 206 (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) 207 208install: install-static install-shared install-man install-config 209 210# If you installed in $(DESTDIR), test-installed won't work until you 211# move the library to its final location. Use test-dd to test it 212# before then. 213 214test-dd: 215 echo 216 echo Testing installed dynamic shared library in $(DL). 217 $(CC) -I$(DI) $(CPPFLAGS) \ 218 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 219 -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ 220 -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` 221 ./pngtestd pngtest.png 222 223test-installed: 224 $(CC) $(CPPFLAGS) \ 225 `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ 226 -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ 227 -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` 228 ./pngtesti pngtest.png 229 230clean: 231 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 232 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 233 libpng.pc pnglibconf.h 234 235DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO 236writelock: 237 chmod a-w *.[ch35] $(DOCS) scripts/* 238 239# DO NOT DELETE THIS LINE -- make depend depends on it. 240 241png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 242pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 243pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 244pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 245pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 246pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 247pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 248pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 249pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 250pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 251pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 252pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 253pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 254pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 255pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 256arm/arm_init.o arm/arm_init.o: pngpriv.h 257arm/filter_neon_intrinsics.o arm/filter_neon_intrinsics.pic.o: pngpriv.h 258mips/mips_init.o mips/mips_init.pic.o: pngpriv.h 259mips/filter_msa_intrinsics.o mips/filter_msa_intrinsics.pic.: pngpriv.h 260intel/intel_init.o intel/intel_init.pic.: pngpriv.h 261intel/filter_sse2_intrinsics.o intel/filter_sse2_intrinsics.pic.: pngpriv.h 262powerpc/powerpc_init.o powerpc/powerpc_init.pic.: pngpriv.h 263powerpc/filter_vsx_intrinsics.o powerpc/filter_vsx_intrinsics.pic.: pngpriv.h 264 265pngtest.o: png.h pngconf.h pnglibconf.h 266
