--- a/jdk/make/com/sun/tools/attach/Makefile	Tue Apr 12 14:23:03 2011 -0700
+++ b/jdk/make/com/sun/tools/attach/Makefile	Fri Apr 15 09:53:05 2011 -0400
@@ -48,6 +48,9 @@
 ifeq ($(PLATFORM), solaris)
 OTHER_LDLIBS += -ldoor
 endif
+ifeq ($(PLATFORM), windows)
+EXTRA_LIBS += psapi.lib
+endif
 
 vpath %.c $(PLATFORM_SRC)/native/sun/tools/attach