# makefile for libpng under FreeBSD
# Copyright (C) 2002 Glenn Randers-Pehrson and Andrey A. Chernov
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
# For conditions of distribution and use, see copyright notice in png.h

.include <bsd.own.mk>

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

PNGMAJ= 5
.if (${OBJFORMAT} == "elf")
PNGVER= $(PNGMAJ)
.else
PNGMIN= 0
PNGVER= $(PNGMAJ).$(PNGMIN)
.endif

CFLAGS+= -I. -DPNG_USE_PNGGCCRD
.if (${MACHINE_ARCH} != "i386")
CFLAGS+= -DPNG_NO_ASSEMBLER_CODE
.endif
LDFLAGS+=-L. -lpng -lz -lm -static

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

.SUFFIXES: .c .so .o

.c.so:
	${CC} ${CFLAGS} -fPIC -DPIC -o $@ -c $<

all: libpng.a libpng.so.${PNGVER} pngtest

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

libpng.so.${PNGVER}: $(OBJS:S/o$/so/g)
.if (${OBJFORMAT} == "elf")
	${CC} -shared -Wl,-x,-soname,$@ -o $@ $(OBJS:S/o$/so/g) -lz -lm
.else
	${CC} -shared -Wl,-x -o $@ $(OBJS:S/o$/so/g) -lz -lm
.endif

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

test: pngtest
	./pngtest

install: libpng.a libpng.so.${PNGVER}
	-@mkdir $(DESTDIR)$(INCPATH)/libpng
	${INSTALL} -o ${INCOWN} -g ${INCGRP} -m ${INCMODE} \
		png.h pngconf.h $(DESTDIR)$(INCPATH)/libpng
	(cd $(DESTDIR)$(INCPATH); rm -f png.h pngconf.h; ln -sf libpng/*.h .)
	${INSTALL} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
		libpng.a libpng.so.${PNGVER} $(DESTDIR)$(LIBPATH)
	$(RANLIB) $(DESTDIR)$(LIBPATH)/libpng.a
	ln -sf libpng.so.${PNGVER} $(DESTDIR)$(LIBPATH)/libpng.so
	/sbin/ldconfig -R
	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
		libpng.3 libpngpf.3 $(DESTDIR)$(MANPATH)/man3
	${INSTALL} -o ${MANOWN} -g ${MANGRP} -m ${MANMODE} \
		png.5 $(DESTDIR)$(MANPATH)/man5

clean:
	rm -f *.o *.so libpng.a libpng.so.${PNGVER} 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
pnggccrd.o: png.h pngconf.h