# makefile for libpng, HPUX (10.20 and 11.00)
# Copyright (C) 1999, 2000 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42
# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
# For conditions of distribution and use, see copyright notice in png.h

# Where the zlib library and include files are located
ZLIBLIB=/opt/zlib/lib
ZLIBINC=/opt/zlib/include

CC=cc
CFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
# Caution: be sure you have built zlib with the same CFLAGS.
CCFLAGS=-I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm

RANLIB=ranlib

# read libpng.txt or png.h to see why PNGMAJ is 3.  You should not
# have to change it.
PNGMAJ = 3
PNGMIN = 1.2.0rc1
PNGVER = $(PNGMAJ).$(PNGMIN)

# where make install puts libpng.a and png.h
prefix=/opt/libpng

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) +z -o $@ $*.c

all: libpng.a libpng.sl pngtest

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

libpng.sl: libpng.sl.$(PNGMAJ)
	ln -f -s libpng.sl.$(PNGMAJ) libpng.sl

libpng.sl.$(PNGMAJ): libpng.sl.$(PNGVER)
	ln -f -s libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ)

libpng.sl.$(PNGVER): $(OBJSDLL)
	$(LD) -b -L$(ZLIBLIB) +s +b $(ZLIBLIB) \
	+h libpng.sl.$(PNGMAJ) -o libpng.sl.$(PNGVER) $(OBJSDLL) -lz

pngtest: pngtest.o libpng.a
	$(CC) -o pngtest $(CCFLAGS) pngtest.o $(LDFLAGS)

test: pngtest
	./pngtest

install: libpng.a
	-@mkdir $(prefix)/include
	-@mkdir $(prefix)/lib
	cp png.h $(prefix)/include
	cp pngconf.h $(prefix)/include
	chmod 644 $(prefix)/include/png.h
	chmod 644 $(prefix)/include/pngconf.h
	cp libpng.a libpng.sl.$(PNGVER) $(prefix)/lib
	chmod 644 $(prefix)/lib/libpng.a
	chmod 755 $(prefix)/lib/libpng.sl.$(PNGVER)
	(cd $(prefix)/lib; ln -f -s libpng.sl.$(PNGVER) libpng.sl.$(PNGMAJ); \
	ln -f -s libpng.sl.$(PNGMAJ) libpng.sl)

clean:
	rm -f *.o libpng.a libpng.sl* 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.h pngconf.h
pngerror.o: png.h pngconf.h
pngrio.o: png.h pngconf.h
pngwio.o: png.h pngconf.h
pngmem.o: png.h pngconf.h
pngset.o: png.h pngconf.h
pngget.o: png.h pngconf.h
pngread.o: png.h pngconf.h
pngrtran.o: png.h pngconf.h
pngrutil.o: png.h pngconf.h
pngtest.o: png.h pngconf.h
pngtrans.o: png.h pngconf.h
pngwrite.o: png.h pngconf.h
pngwtran.o: png.h pngconf.h
pngwutil.o: png.h pngconf.h
pngpread.o: png.h pngconf.h