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: 11 LIBNAME = libpng16 12 PNGMAJ = 16 13 RELEASE = 22 14 15 # Shared library names: 16 LIBSO=$(LIBNAME).so 17 LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) 18 LIBSOREL=$(LIBSOMAJ).$(RELEASE) 19 OLDSO=libpng.so 20 21 # Utilities: 22 AR_RC=ar rc 23 CC=gcc 24 MKDIR_P=mkdir -p 25 LN_SF=ln -sf 26 RANLIB=ranlib 27 CP=cp 28 RM_F=/bin/rm -f 29 30 # where "make install" puts libpng16.a, libpng16.so*, 31 # libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h 32 # Prefix must be a full pathname. 33 prefix=/usr/local 34 exec_prefix=$(prefix) 35 36 # Where the zlib library and include files are located. 37 #ZLIBLIB=/usr/local/lib 38 #ZLIBINC=/usr/local/include 39 ZLIBLIB=../zlib 40 ZLIBINC=../zlib 41 42 ALIGN= 43 # for i386: 44 #ALIGN=-malign-loops=2 -malign-functions=2 45 46 WARNMORE=-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 52 CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5 53 CFLAGS= -W -Wall -O3 -funroll-loops \ 54 $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 55 56 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm 57 LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm 58 59 INCPATH=$(prefix)/include 60 LIBPATH=$(exec_prefix)/lib 61 MANPATH=$(prefix)/man 62 BINPATH=$(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. 72 DESTDIR= 73 74 DB=$(DESTDIR)$(BINPATH) 75 DI=$(DESTDIR)$(INCPATH) 76 DL=$(DESTDIR)$(LIBPATH) 77 DM=$(DESTDIR)$(MANPATH) 78 79 # Pre-built configuration 80 # See scripts/pnglibconf.mak for more options 81 PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt 82 83 OBJS = 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 87 OBJSDLL = $(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 $(CFLAGS) -fPIC -o $@ $*.c 96 97 all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config 98 99 pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) 100 $(CP) $(PNGLIBCONF_H_PREBUILT) $@ 101 102 libpng.a: $(OBJS) 103 $(AR_RC) $@ $(OBJS) 104 $(RANLIB) $@ 105 106 libpng.pc: 107 cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ 108 -e s!@exec_prefix@!$(exec_prefix)! \ 109 -e s!@libdir@!$(LIBPATH)! \ 110 -e s!@includedir@!$(INCPATH)! \ 111 -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc 112 113 libpng-config: 114 ( cat scripts/libpng-config-head.in; \ 115 echo prefix=\"$(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) 128 129 pngtest: pngtest.o $(LIBSO) 130 $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) 131 132 pngtest-static: pngtest.o libpng.a 133 $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) 134 135 test: 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 144 145 install-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)/* .) 153 154 install-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) 160 161 install-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) 178 179 install-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 189 190 install-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) 197 198 install: 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. 203 204 test-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 212 213 test-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 219 220 clean: 221 $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ 222 $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ 223 libpng.pc pnglibconf.h 224 225 DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO 226 writelock: 227 chmod a-w *.[ch35] $(DOCS) scripts/* 228 229 # DO NOT DELETE THIS LINE -- make depend depends on it. 230 231 png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 232 pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 233 pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 234 pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 235 pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 236 pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 237 pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 238 pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 239 pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 240 pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 241 pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 242 pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 243 pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 244 pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 245 pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h 246 247 pngtest.o: png.h pngconf.h pnglibconf.h 248
