$NetBSD: patch-aa,v 1.10 2008/11/12 18:45:04 adam Exp $

--- Makefile.orig	2008-11-12 19:29:05.000000000 +0100
+++ Makefile
@@ -0,0 +1,38 @@
+OBJS=	optipng.o opngoptim.o opngreduc.o cbitset.o osys.o strutil.o pngxio.o \
+	pngxmem.o pngxrbmp.o pngxread.o pngxrgif.o pngxrjpg.o pngxrpnm.o \
+	pngxrtif.o pngxset.o pngxwrite.o gifread.o pnmin.o pnmout.o pnmutil.o \
+	png_write_sig.o minitiff.o tiffread.o tiffwrite.o
+
+CPPFLAGS=	`libpng-config --cflags` -Ilib/pngxtern -Isrc
+
+all: $(OBJS)
+	$(CC) -o optipng $(LDFLAGS) $(OBJS) -lz `libpng-config --ldflags`
+
+optipng.o:   src/optipng.c
+opngoptim.o: src/opngoptim.c
+opngreduc.o: src/opngreduc.c
+cbitset.o:   src/cbitset.c
+osys.o:      src/osys.c
+strutil.o:   src/strutil.c
+
+pngxio.o:    lib/pngxtern/pngxio.c
+pngxmem.o:   lib/pngxtern/pngxmem.c
+pngxrbmp.o:  lib/pngxtern/pngxrbmp.c
+pngxread.o:  lib/pngxtern/pngxread.c
+pngxrgif.o:  lib/pngxtern/pngxrgif.c
+pngxrjpg.o:  lib/pngxtern/pngxrjpg.c
+pngxrpnm.o:  lib/pngxtern/pngxrpnm.c
+pngxrtif.o:  lib/pngxtern/pngxrtif.c
+pngxset.o:   lib/pngxtern/pngxset.c
+pngxwrite.o: lib/pngxtern/pngxwrite.c
+gifread.o:   lib/pngxtern/gif/gifread.c
+pnmin.o:     lib/pngxtern/pnm/pnmin.c
+pnmout.o:    lib/pngxtern/pnm/pnmout.c
+pnmutil.o:   lib/pngxtern/pnm/pnmutil.c
+minitiff.o:  lib/pngxtern/minitiff/minitiff.c
+tiffread.o:  lib/pngxtern/minitiff/tiffread.c
+tiffwrite.o: lib/pngxtern/minitiff/tiffwrite.c
+
+install:
+	${BSD_INSTALL_PROGRAM} optipng "${DESTDIR}${PREFIX}/bin"
+	${BSD_INSTALL_MAN} man/optipng.1 "${DESTDIR}${PREFIX}/${PKGMANDIR}/man1"