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# makefile for libpng.a and libpng12.so on Linux ELF with gcc using MMX
# assembler code
# Copyright 2002 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.
# WARNING: The assembler code in pnggccrd.c may not be thread safe.
# 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.
LIBNAME = libpng12
PNGMAJ = 0
PNGMIN = 1.2.6rc5
PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc
# where "make install" puts libpng12.a, libpng12.so*,
# libpng12/png.h and libpng12/pngconf.h
# Prefix must be a full pathname.
prefix=/usr/local
# 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 -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall \
-O3 $(ALIGN) -funroll-loops \
-fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5
### for gcc 2.95.2 on 686:
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \
# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer
### for gcc 2.7.2.3 on 486 and up:
#CFLAGS=-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD -I$(ZLIBINC) -Wall -O3 \
# -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,$(ZLIBLIB) libpng.a -lz -lm
RANLIB=ranlib
#RANLIB=echo
INCPATH=$(prefix)/include
LIBPATH=$(prefix)/lib
MANPATH=$(prefix)/man
BINPATH=$(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 pnggccrd.o
OBJSDLL = $(OBJS:.o=.pic.o)
.SUFFIXES: .c .o .pic.o
.c.pic.o:
$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
all: libpng.a $(LIBNAME).so 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)! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo cppflags=\"-DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
echo libs=\"-lpng12 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
pnggccrd.o: pnggccrd.c png.h pngconf.h
$(CC) -c $(CFLAGS) -o $@ $*.c
pnggccrd.pic.o: pnggccrd.c png.h pngconf.h
$(CC) -c $(CFLAGS) -fPIC -o $@ pnggccrd.c
$(LIBNAME).so: $(LIBNAME).so.$(PNGMAJ)
ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so
$(LIBNAME).so.$(PNGMAJ): $(LIBNAME).so.$(PNGVER)
ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ)
$(LIBNAME).so.$(PNGVER): $(OBJSDLL)
$(CC) -shared -Wl,-soname,$(LIBNAME).so.$(PNGMAJ) \
-o $(LIBNAME).so.$(PNGVER) \
$(OBJSDLL)
libpng.so.3.$(PNGMIN): $(OBJSDLL)
$(CC) -shared -Wl,-soname,libpng.so.3 \
-o libpng.so.3.$(PNGMIN) \
$(OBJSDLL)
pngtest: pngtest.o $(LIBNAME).so
$(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 $(LIBNAME).so:"
@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 $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
-@/bin/rm -f $(DI)/libpng
(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
install-static: install-headers libpng.a
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
cp libpng.a $(DL)/$(LIBNAME).a
chmod 644 $(DL)/$(LIBNAME).a
-@/bin/rm -f $(DL)/libpng.a
(cd $(DL); ln -sf $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
libpng.so.3.$(PNGMIN)
-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)
-@/bin/rm -f $(DL)/libpng.so
-@/bin/rm -f $(DL)/libpng.so.3
-@/bin/rm -f $(DL)/libpng.so.3.$(PNGMIN)*
cp $(LIBNAME).so.$(PNGVER) $(DL)
cp libpng.so.3.$(PNGMIN) $(DL)
chmod 755 $(DL)/$(LIBNAME).so.$(PNGVER)
chmod 755 $(DL)/libpng.so.3.$(PNGMIN)
(cd $(DL); \
ln -sf libpng.so.3.$(PNGMIN) libpng.so.3; \
ln -sf libpng.so.3 libpng.so; \
ln -sf $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
ln -sf $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
-@/bin/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 $(DM); fi
-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
-@/bin/rm -f $(DM)/man3/libpng.3
-@/bin/rm -f $(DM)/man3/libpngpf.3
cp libpng.3 $(DM)/man3
cp libpngpf.3 $(DM)/man3
-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
-@/bin/rm -f $(DM)/man5/png.5
cp png.5 $(DM)/man5
install-config: libpng-config
-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
-@/bin/rm -f $(DB)/libpng-config
-@/bin/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.
test-installed:
$(CC) -I$(ZLIBINC) \
`$(BINPATH)/libpng12-config --cflags` pngtest.c \
-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
-o pngtesti `$(BINPATH)/libpng12-config --ldflags`
./pngtesti pngtest.png
clean:
/bin/rm -f *.o libpng.a pngtest pngout.png libpng-config \
$(LIBNAME).so $(LIBNAME).so.$(PNGMAJ)* pngtest-static pngtesti \
libpng.so.3.$(PNGMIN) \
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
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