# makefile for libpng on Darwin / Mac OS X
# Copyright (C) 2002 Glenn Randers-Pehrson
# Copyright (C) 2001 Christoph Pfisterer
# derived from makefile.linux:
#  Copyright (C) 1998, 1999 Greg Roelofs
#  Copyright (C) 1996, 1997 Andreas Dilger
# For conditions of distribution and use, see copyright notice in png.h

# where "make install" puts libpng.a, libpng12.dylib, png.h and pngconf.h
prefix=/usr/local

# Where the zlib library and include files are located
#ZLIBLIB=/usr/local/lib
#ZLIBINC=/usr/local/include
ZLIBLIB=../zlib
ZLIBINC=../zlib

CC=cc
CFLAGS=-I$(ZLIBINC) -Wall -O3 -funroll-loops
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz

#RANLIB=echo
RANLIB=ranlib

# read libpng.txt or png.h to see why PNGMAJ is 0.  You should not
# have to change it.
PNGMAJ = 0
PNGMIN = 1.2.3rc1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12

INCPATH=$(prefix)/include
LIBPATH=$(prefix)/lib
MANPATH=$(prefix)/man

# 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, that location must already exist before
# you execute make install.
DESTDIR=

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) -fno-common -o $@ $*.c

all: libpng.a $(LIBNAME).dylib pngtest libpng.pc

libpng.a: $(OBJS)
	ar rc $@ $(OBJS)
	$(RANLIB) $@

libpng.pc:
	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc

$(LIBNAME).dylib: $(LIBNAME).$(PNGMAJ).dylib
	ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib

$(LIBNAME).$(PNGMAJ).dylib: $(LIBNAME).$(PNGVER).dylib
	ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib

$(LIBNAME).$(PNGVER).dylib: $(OBJSDLL)
	$(CC) -dynamiclib \
	 -install_name $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGMAJ).dylib \
	 -current_version $(PNGMIN) -compatibility_version $(PNGMIN) \
	 -o $(LIBNAME).$(PNGVER).dylib \
	 $(OBJSDLL) -L$(ZLIBLIB) -lz

pngtest: pngtest.o $(LIBNAME).dylib
	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)

test: pngtest
	./pngtest

install-headers: png.h pngconf.h
	-@if [ ! -d $(DESTDIR)$(INCPATH) ]; then mkdir $(DESTDIR)$(INCPATH); fi
	-@if [ ! -d $(DESTDIR)$(INCPATH)/$(LIBNAME) ]; then mkdir $(DESTDIR)$(INCPATH)/$(LIBNAME); fi
	cp png.h pngconf.h $(DESTDIR)$(INCPATH)/$(LIBNAME)
	chmod 644 $(DESTDIR)$(INCPATH)/$(LIBNAME)/png.h $(DESTDIR)$(INCPATH)/$(LIBNAME)/pngconf.h
	-@/bin/rm -f $(DESTDIR)$(INCPATH)/png.h $(DESTDIR)$(INCPATH)/pngconf.h
	-@/bin/rm -f $(DESTDIR)$(INCPATH)/libpng
	(cd $(DESTDIR)$(INCPATH); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)

install-static: install-headers libpng.a
	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
	cp libpng.a $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
	chmod 644 $(DESTDIR)$(LIBPATH)/$(LIBNAME).a
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.a
	(cd $(DESTDIR)$(LIBPATH); ln -sf $(LIBNAME).a libpng.a)

install-shared: install-headers $(LIBNAME).dylib
	-@if [ ! -d $(DESTDIR)$(LIBPATH) ]; then mkdir $(DESTDIR)$(LIBPATH); fi
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGMAJ)*.dylib
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/$(LIBNAME).dylib
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.dylib
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.3.dylib
	-@/bin/rm -f $(DESTDIR)$(LIBPATH)/libpng.3.*.dylib
	cp $(LIBNAME).$(PNGVER).dylib $(DESTDIR)$(LIBPATH)
	chmod 755 $(DESTDIR)$(LIBPATH)/$(LIBNAME).$(PNGVER).dylib
	(cd $(DESTDIR)$(LIBPATH); \
	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.dylib; \
	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.3.dylib; \
	ln -sf $(LIBNAME).$(PNGVER).dylib libpng.3.$(PNGMIN).dylib; \
	ln -sf $(LIBNAME).$(PNGVER).dylib $(LIBNAME).$(PNGMAJ).dylib; \
	ln -sf $(LIBNAME).$(PNGMAJ).dylib $(LIBNAME).dylib)
	-@if [ ! -d $(DESTDIR)$(LIBPATH)/pkgconfig ]; then \
	mkdir $(DESTDIR)$(LIBPATH)/pkgconfig; fi
	cp libpng.pc $(DESTDIR)$(LIBPATH)/pkgconfig/libpng12.pc
	chmod 644 $(DESTDIR)$(LIBPATH)/pkgconfig/libpng12.pc
	(cd $(DESTDIR)$(LIBPATH)/pkgconfig; ln -sf libpng12.pc libpng.pc)

install-man: libpng.3 libpngpf.3 png.5
	-@if [ ! -d $(MANPATH) ]; then mkdir $(MANPATH); fi
	-@if [ ! -d $(MANPATH)/man3 ]; then mkdir $(MANPATH)/man3; fi
	-@/bin/rm -f $(MANPATH)/man3/libpng.3
	-@/bin/rm -f $(MANPATH)/man3/libpngpf.3
	cp libpng.3 $(MANPATH)/man3
	cp libpngpf.3 $(MANPATH)/man3
	-@if [ ! -d $(MANPATH)/man5 ]; then mkdir $(MANPATH)/man5; fi
	-@/bin/rm -f $(MANPATH)/man5/png.5
	cp png.5 $(MANPATH)/man5

install: install-static install-shared install-man

clean:
	rm -f *.o libpng.a $(LIBNAME).*dylib pngtest pngout.png

DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
	chmod a-w *.[ch35] $(DOCS) scripts/*

# DO NOT DELETE THIS LINE -- make depend depends on it.

png.o png.pic.o: png.h pngconf.h
pngerror.o pngerror.pic.o: png.h pngconf.h
pngrio.o pngrio.pic.o: png.h pngconf.h
pngwio.o pngwio.pic.o: png.h pngconf.h
pngmem.o pngmem.pic.o: png.h pngconf.h
pngset.o pngset.pic.o: png.h pngconf.h
pngget.o pngget.pic.o: png.h pngconf.h
pngread.o pngread.pic.o: png.h pngconf.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h
pngpread.o pngpread.pic.o: png.h pngconf.h

pngtest.o: png.h pngconf.h