diff -ruN libpng.orig/scripts/makefile.macosx libpng/scripts/makefile.macosx
--- libpng.orig/scripts/makefile.macosx	Thu Oct  3 13:32:34 2002
+++ libpng/scripts/makefile.macosx	Thu Apr  7 01:00:51 2005
@@ -6,7 +6,7 @@
 # For conditions of distribution and use, see copyright notice in png.h
 
 # where make install puts libpng.a and png.h
-prefix=/usr/local
+prefix=PREFIX
 
 # Where the zlib library and include files are located
 #ZLIBLIB=/usr/local/lib
@@ -21,7 +21,7 @@
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CFLAGS=-fno-common -I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -current_version $(PNGVER)
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz
 
 LIBNAME=libpng12
 SHAREDLIB_POSTFIX=dylib
@@ -52,7 +52,7 @@
 	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 	pngwtran.o pngmem.o pngerror.o pngpread.o
 
-all: libpng.a pngtest shared libpng.pc libpng-config
+all: libpng.a pngtest libpng.pc libpng-config
 
 shared: $(LIBNAME).$(PNGVER).$(SHAREDLIB_POSTFIX)
 
@@ -153,7 +153,7 @@
 	chmod 755 $(DB)/$(LIBNAME)-config
 	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
 
-install: install-static install-shared install-man install-config
+install: install-static install-man install-config
 
 # If you installed in $(DESTDIR), test-installed won't work until you
 # move the library to its final location.
