diff -r e64f2cb57d05 -r e3182741ade2 common/autoconf/toolchain.m4
--- a/common/autoconf/toolchain.m4	Fri Oct 26 14:29:57 2012 -0700
+++ b/common/autoconf/toolchain.m4	Mon Oct 29 14:06:57 2012 -0700
@@ -264,7 +264,7 @@
 
 ### Locate other tools
 
-if test "x$OPENJDK_TARGET_OS" != xwindows; then
+if test "x$OPENJDK_TARGET_OS" = xmacosx; then
     AC_PROG_OBJC
     BASIC_FIXUP_EXECUTABLE(OBJC)
 else