--- old/make/java/jli/Makefile	2012-07-30 23:59:24.012848786 +0100
+++ new/make/java/jli/Makefile	2012-07-30 23:59:23.868846367 +0100
@@ -46,6 +46,8 @@
 
 ifneq ($(SYSTEM_ZLIB),true)
   ZIP_SRC = $(SHARE_SRC)/native/java/util/zip/zlib-$(ZLIB_VERSION)
+else # SYSTEM_ZLIB
+  OTHER_CFLAGS += $(ZLIB_CFLAGS)
 endif #SYSTEM_ZLIB
 LAUNCHER_SHARE_SRC = $(SHARE_SRC)/bin
 
@@ -157,7 +159,7 @@
 ifneq ($(SYSTEM_ZLIB),true)
   OTHER_INCLUDES += -I$(ZIP_SRC)
 else # !SYSTEM_ZLIB
-  LDLIBS += -lz
+  LDLIBS += $(ZLIB_LIBS)
 endif # SYSTEM_ZLIB
 
 #