--- libpng-1.2.9/scripts/makefile.gcmmx.orig	2006-04-17 02:42:00.719772250 +0200
+++ libpng-1.2.9/scripts/makefile.gcmmx	2006-04-17 02:45:16.564011750 +0200
@@ -107,12 +107,15 @@
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
+all: libpng.a png.dll libpng-config
 
 libpng.a: $(OBJS)
 	$(AR_RC) $@ $(OBJS)
 	$(RANLIB) $@
 
+png.dll: $(OBJS)
+	$(CC) -shared $(OBJS) -Wl,--enable-auto-image-base -o png.dll -Wl,--out-implib,libpng.dll.a -lz
+
 libpng.pc:
 	cat scripts/libpng.pc.in | sed -e "s,@prefix@,$(prefix),;s,@exec_prefix@,$(exec_prefix),;s,@libdir@,$(LIBPATH),;s,@includedir@,$(INCPATH),;s,@PNGLIB_VERSION@,$(PNGMIN),;s,@PNGLIB_MAJOR@,12," > libpng.pc
 
--- libpng-1.2.9/scripts/makefile.linux.orig	2006-04-17 02:42:00.719772250 +0200
+++ libpng-1.2.9/scripts/makefile.linux	2006-04-17 02:45:49.770087000 +0200
@@ -84,12 +84,15 @@
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
+all: libpng.a png.dll libpng-config
 
 libpng.a: $(OBJS)
 	$(AR_RC) $@ $(OBJS)
 	$(RANLIB) $@
 
+png.dll: $(OBJS)
+	$(CC) -shared $(OBJS) -Wl,--enable-auto-image-base -o png.dll -Wl,--out-implib,libpng.dll.a -lz
+
 libpng.pc:
 	cat scripts/libpng.pc.in | sed -e "s,@prefix@,$(prefix),;s,@exec_prefix@,$(exec_prefix),;s,@libdir@,$(LIBPATH),;s,@includedir@,$(INCPATH),;s,@PNGLIB_VERSION@,$(PNGMIN),;s,@PNGLIB_MAJOR@,12," > libpng.pc