--- libpng-1.2.6/scripts/makefile.gcmmx.orig	2004-08-30 20:57:04.085826112 +0200
+++ libpng-1.2.6/scripts/makefile.gcmmx	2004-08-30 21:15:26.422245504 +0200
@@ -92,12 +92,15 @@
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so 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)! -e s\!@LIBPATH@!$(LIBPATH)! > libpng.pc
 
--- libpng-1.2.6/scripts/makefile.linux.orig	2004-08-30 20:57:04.083826000 +0200
+++ libpng-1.2.6/scripts/makefile.linux	2004-08-30 21:16:34.527891872 +0200
@@ -71,12 +71,15 @@
 .c.pic.o:
 	$(CC) -c $(CFLAGS) -fPIC -o $@ $*.c
 
-all: libpng.a $(LIBNAME).so 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)! -e s\!@LIBPATH@!$(LIBPATH)! > libpng.pc