# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX # assembler code # Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson # Copyright 1998-2001 Greg Roelofs # Copyright 1996-1997 Andreas Dilger # For conditions of distribution and use, see copyright notice in png.h # CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier. # NOTE: When testing MMX performance on a multitasking system, make sure # there are no floating-point programs (e.g., SETI@Home) running in # the background! Context switches between MMX and FPU are expensive. # Library name: LIBNAME = libpng12 PNGMAJ = 0 PNGMIN = 1.2.34rc01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: LIBSO=$(LIBNAME).so LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) LIBSOVER=$(LIBNAME).so.$(PNGVER) OLDSO=libpng.so OLDSOMAJ=libpng.so.3 OLDSOVER=libpng.so.3.$(PNGMIN) # Utilities: CC = gcc LD = $(CC) AR_RC = ar rc LN_SF = ln -sf MKDIR_P = mkdir -p RANLIB = ranlib RM_F = /bin/rm -f # where "make install" puts libpng12.a, libpng12.so*, # libpng12/png.h and libpng12/pngconf.h # Prefix must be a full pathname. prefix=/usr/local exec_prefix=$(prefix) # Where the zlib library and include files are located. #ZLIBLIB=/usr/local/lib #ZLIBINC=/usr/local/include ZLIBLIB=../zlib ZLIBINC=../zlib ALIGN= # for i386: #ALIGN=-malign-loops=2 -malign-functions=2 WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ -Wmissing-declarations -Wtraditional -Wcast-align \ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion # for pgcc version 2.95.1, -O3 is buggy; don't use it. # Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety ### for generic gcc: CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ $(ALIGN) -funroll-loops \ -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5 ### for gcc 2.95.2 on 686: #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ # -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \ # $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer ### for gcc 2.7.2.3 on 486 and up: #CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ # -m486 -malign-double -ffast-math \ # $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng12 -lz -lm LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm INCPATH=$(prefix)/include LIBPATH=$(exec_prefix)/lib MANPATH=$(prefix)/man BINPATH=$(exec_prefix)/bin # override DESTDIR= on the make install command line to easily support # installing into a temporary location. Example: # # make install DESTDIR=/tmp/build/libpng # # If you're going to install into a temporary location # via DESTDIR, $(DESTDIR)$(prefix) must already exist before # you execute make install. DESTDIR= DB=$(DESTDIR)$(BINPATH) DI=$(DESTDIR)$(INCPATH) DL=$(DESTDIR)$(LIBPATH) DM=$(DESTDIR)$(MANPATH) OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ pngwtran.o pngmem.o pngerror.o pngpread.o OBJSDLL = $(OBJS:.o=.pic.o) .SUFFIXES: .c .o .pic.o .c.pic.o: $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config libpng.a: $(OBJS) $(AR_RC) $@ $(OBJS) $(RANLIB) $@ libpng.pc: cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ -e s!@exec_prefix@!$(exec_prefix)! \ -e s!@libdir@!$(LIBPATH)! \ -e s!@includedir@!$(INCPATH)! \ -e s!-lpng12!-lpng12\ -lz\ -lm! > libpng.pc libpng-config: ( cat scripts/libpng-config-head.in; \ echo prefix=\"$(prefix)\"; \ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \ echo L_opts=\"-L$(LIBPATH)\"; \ echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ echo libs=\"-lpng12 -lz -lm\"; \ cat scripts/libpng-config-body.in ) > libpng-config chmod +x libpng-config $(LIBSO): $(LIBSOMAJ) $(LN_SF) $(LIBSOMAJ) $(LIBSO) $(LIBSOMAJ): $(LIBSOVER) $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) $(LIBSOVER): $(OBJSDLL) $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ -o $(LIBSOVER) \ $(OBJSDLL) $(OLDSOVER): $(OBJSDLL) $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ -o $(OLDSOVER) \ $(OBJSDLL) pngtest: pngtest.o $(LIBSO) $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) pngtest-static: pngtest.o libpng.a $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) test: pngtest pngtest-static @echo "" @echo " Running pngtest dynamically linked with $(LIBSO):" @echo "" ./pngtest @echo "" @echo " Running pngtest statically linked with libpng.a:" @echo "" ./pngtest-static install-headers: png.h pngconf.h -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi cp png.h pngconf.h $(DI)/$(LIBNAME) chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h -@$(RM_F) $(DI)/libpng (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) install-static: install-headers libpng.a -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi cp libpng.a $(DL)/$(LIBNAME).a chmod 644 $(DL)/$(LIBNAME).a -@$(RM_F) $(DL)/libpng.a (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) install-shared: install-headers $(LIBSOVER) libpng.pc \ $(OLDSOVER) -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) -@$(RM_F) $(DL)/$(LIBSOMAJ) -@$(RM_F) $(DL)/$(OLDSO) -@$(RM_F) $(DL)/$(OLDSOMAJ) -@$(RM_F) $(DL)/$(OLDSOVER)* cp $(LIBSOVER) $(DL) cp $(OLDSOVER) $(DL) chmod 755 $(DL)/$(LIBSOVER) chmod 755 $(DL)/$(OLDSOVER) (cd $(DL); \ $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ $(LN_SF) $(LIBSOMAJ) $(LIBSO)) -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc -@$(RM_F) $(DL)/pkgconfig/libpng.pc cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) install-man: libpng.3 libpngpf.3 png.5 -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi -@$(RM_F) $(DM)/man3/libpng.3 -@$(RM_F) $(DM)/man3/libpngpf.3 cp libpng.3 $(DM)/man3 cp libpngpf.3 $(DM)/man3 -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi -@$(RM_F) $(DM)/man5/png.5 cp png.5 $(DM)/man5 install-config: libpng-config -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi -@$(RM_F) $(DB)/libpng-config -@$(RM_F) $(DB)/$(LIBNAME)-config cp libpng-config $(DB)/$(LIBNAME)-config chmod 755 $(DB)/$(LIBNAME)-config (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) install: install-static install-shared install-man install-config # If you installed in $(DESTDIR), test-installed won't work until you # move the library to its final location. Use test-dd to test it # before then. test-dd: echo echo Testing installed dynamic shared library in $(DL). $(CC) -I$(DI) -I$(ZLIBINC) \ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` ./pngtestd pngtest.png test-installed: $(CC) -I$(ZLIBINC) \ `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` ./pngtesti pngtest.png clean: $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ $(OLDSOVER) \ libpng.pc DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO writelock: chmod a-w *.[ch35] $(DOCS) scripts/* png.o png.pic.o: png.h pngconf.h png.c pngerror.o pngerror.pic.o: png.h pngconf.h pngerror.c pngrio.o pngrio.pic.o: png.h pngconf.h pngrio.c pngwio.o pngwio.pic.o: png.h pngconf.h pngwio.c pngmem.o pngmem.pic.o: png.h pngconf.h pngmem.c pngset.o pngset.pic.o: png.h pngconf.h pngset.c pngget.o pngget.pic.o: png.h pngconf.h pngget.c pngread.o pngread.pic.o: png.h pngconf.h pngread.c pngrtran.o pngrtran.pic.o: png.h pngconf.h pngrtran.c pngrutil.o pngrutil.pic.o: png.h pngconf.h pngrutil.c pngtrans.o pngtrans.pic.o: png.h pngconf.h pngtrans.c pngwrite.o pngwrite.pic.o: png.h pngconf.h pngwrite.c pngwtran.o pngwtran.pic.o: png.h pngconf.h pngwtran.c pngwutil.o pngwutil.pic.o: png.h pngconf.h pngwutil.c pngpread.o pngpread.pic.o: png.h pngconf.h pngpread.c pngtest.o: png.h pngconf.h pngtest.c