--- old/make/com/sun/java/pack/Makefile	2012-07-30 23:59:23.016832067 +0100
+++ new/make/com/sun/java/pack/Makefile	2012-07-30 23:59:22.876829722 +0100
@@ -77,8 +77,8 @@
   OTHER_CXXFLAGS += $(ZINCLUDE)
   LDDFLAGS += $(ZIPOBJS)
  else
-  LDDFLAGS += -lz
-  OTHER_CXXFLAGS += -DSYSTEM_ZLIB
+  LDDFLAGS += $(ZLIB_LIBS)
+  OTHER_CXXFLAGS += $(ZLIB_CFLAGS) -DSYSTEM_ZLIB
  endif
 else
   OTHER_CXXFLAGS += -DNO_ZLIB -DUNPACK_JNI