$OpenBSD: patch-scripts_makefile_openbsd,v 1.24 2008/05/07 14:29:39 naddy Exp $
--- scripts/makefile.openbsd.orig	Sat Sep  8 05:23:02 2007
+++ scripts/makefile.openbsd	Wed Oct  3 17:20:11 2007
@@ -4,11 +4,12 @@
 # For conditions of distribution and use, see copyright notice in png.h
 
 PREFIX?= /usr/local
+BINDIR= ${PREFIX}/bin
 LIBDIR=	${PREFIX}/lib
 MANDIR= ${PREFIX}/man/cat
+INCDIR= ${PREFIX}/include/libpng
+DOCDIR= ${PREFIX}/share/doc/png
 
-SHLIB_MAJOR=	0
-SHLIB_MINOR=	1.2.28
 
 LIB=	png
 SRCS=	png.c pngerror.c pngget.c pngmem.c pngpread.c \
@@ -22,24 +23,42 @@ CPPFLAGS+= -I${.CURDIR} -DPNG_NO_MMX_CODE 
 
 NOPROFILE= Yes
 
-CLEANFILES+= pngtest.o pngtest
+CLEANFILES+= pngtest.o pngtest libpng-config
 
 MAN=	libpng.3 libpngpf.3 png.5
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO libpng.txt
+DOCS = libpng-1.2.28.txt
 
+all: ${_LIBS} libpng-config libpng.pc
+
+libpng.pc:
+	cat scripts/libpng.pc.in | sed -e s\!@prefix@!$(PREFIX)! \
+		-e s\!@exec_prefix@!$(BINDIR)! -e s\!@libdir@!$(LIBDIR)! \
+		-e s\!@includedir@!$(INCDIR)!  \
+		-e s\!@PNGLIB_VERSION@!$(PNGLIB_VERSION)!> libpng.pc
+
+libpng-config:
+	( cat scripts/libpng-config-head.in; \
+	echo prefix=\"$(PREFIX)\"; \
+	echo I_opts=\"-I$(INCDIR)\"; \
+	echo L_opts=\"-L$(LIBDIR)\"; \
+	echo R_opts=\"-Wl,-rpath,$(LIBDIR)\"; \
+	echo libs=\"-lpng -lz -lm\"; \
+	cat scripts/libpng-config-body.in ) > libpng-config
+	chmod +x libpng-config
+
 pngtest.o:	pngtest.c
 	${CC} ${CPPFLAGS} ${CFLAGS} -c ${.ALLSRC} -o ${.TARGET}
 
 pngtest:	pngtest.o
 	${CC} ${LDFLAGS} ${.ALLSRC} -o ${.TARGET} -L${.OBJDIR} -lpng -lz -lm
 
-test:	pngtest
+test regress:	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/libpng; \
+	if [ ! -d ${DESTDIR}${INCDIR} ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${INCDIR}; \
 	fi
 	if [ ! -d ${DESTDIR}${LIBDIR} ]; then \
 	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}; \
@@ -53,21 +72,24 @@ beforeinstall:
 	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; \
+	if [ ! -d ${DESTDIR}${DOCDIR} ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${DOCDIR}; \
 	fi
+	if [ ! -d ${DESTDIR}${LIBDIR}/pkgconfig ]; then \
+	  ${INSTALL} -d -o root -g wheel ${DESTDIR}${LIBDIR}/pkgconfig; \
+	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
 	@rmdir ${DESTDIR}${LIBDIR}/debug 2>/dev/null || true
+	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} \
+		-m ${BINMODE} libpng-config ${DESTDIR}${BINDIR}
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
-		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include/libpng
+		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${INCDIR}
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
-		-m ${NONBINMODE} ${HDRS} ${DESTDIR}${PREFIX}/include
+		-m ${NONBINMODE} libpng.pc ${DESTDIR}${LIBDIR}/pkgconfig
 	${INSTALL} ${INSTALL_COPY} -o ${SHAREOWN} -g ${SHAREGRP} \
-		-m ${NONBINMODE} ${DOCS} ${DESTDIR}${PREFIX}/share/doc/png
+		-m ${NONBINMODE} ${DOCS} ${DESTDIR}${DOCDIR}
 
 .include <bsd.lib.mk>