diff -r 378aa3362868 -r 320a714614e9 jdk/make/java/management/Makefile
--- a/jdk/make/java/management/Makefile	Tue Mar 06 10:25:45 2012 +0800
+++ b/jdk/make/java/management/Makefile	Tue Mar 06 20:34:38 2012 +0000
@@ -77,6 +77,12 @@
 
 endif # PLATFORM linux
 
+ifeq ($(PLATFORM),macosx)
+
+FILES_c     += MacosxOperatingSystem.c
+
+endif # PLATFORM macosx
+
 endif # PLATFORM
 
 #