# makefile for libpng
# Copyright (C) 2020-2022 Cosmin Truta
# Copyright (C) 2007-2009, 2014 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h

PREFIX?= /usr/local
LIBDIR=	${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat

SHLIB_MAJOR=	16
SHLIB_MINOR=	1.6.38

LIB=	png
SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
	pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c \
	pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c
HDRS=	png.h pngconf.h pnglibconf.h
MAN=	libpng.3 libpngpf.3 png.5
DOCS=	ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO \
	libpng-manual.txt

CFLAGS+= -Wall -Wextra -Wundef
CPPFLAGS+= -I${.CURDIR}

NOPROFILE= Yes

CLEANFILES+= pngtest.o pngtest pnglibconf.h

# Pre-built configuration
# See scripts/pnglibconf.mak for more options
PNGLIBCONF_H_PREBUILT= scripts/pnglibconf.h.prebuilt

.c.o:
	${CC} -c ${CPPFLAGS} ${CFLAGS} -o $@ $<

pnglibconf.h: ${PNGLIBCONF_H_PREBUILT}
	cp ${PNGLIBCONF_H_PREBUILT} $@

pngtest.o:	pngtest.c
	${CC} -c ${CPPFLAGS} ${CFLAGS} ${.ALLSRC} -o ${.TARGET}

pngtest:	pngtest.o
	${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm

test:	pngtest
	cd ${.OBJDIR} && env \
		LD_LIBRARY_PATH="${.OBJDIR}" ${.OBJDIR}/pngtest

beforeinstall:
	if [ ! -d ${DESTDIR}${PREFIX}/include/libpng ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/include; \
	fi
	if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
	fi
	if [ ! -d ${DESTDIR}${LIBDIR}/debug ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/debug; \
	fi
	if [ ! -d ${DESTDIR}${MANDIR}3 ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}3; \
	fi
	if [ ! -d ${DESTDIR}${MANDIR}5 ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${MANDIR}5; \
	fi
	if [ ! -d ${DESTDIR}${PREFIX}/share/doc/png ]; then \
	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${PREFIX}/share/doc/png; \
	fi

afterinstall:
	@rm -f ${DESTDIR}${LIBDIR}/libpng_pic.a
	@rm -f ${DESTDIR}${LIBDIR}/debug/libpng.a
	@rm -f ${DESTDIR}${PREFIX}/include/png.h
	@rm -f ${DESTDIR}${PREFIX}/include/pngconf.h
	@rm -f ${DESTDIR}${PREFIX}/include/pnglibconf.h
	@rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
		-m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png

.include <bsd.lib.mk>