--- a/common/autoconf/spec.gmk.in	Tue Feb 26 09:25:44 2013 -0800
+++ b/common/autoconf/spec.gmk.in	Tue Mar 05 11:46:02 2013 -0800
@@ -286,7 +286,7 @@
 OPENWIN_HOME:=@OPENWIN_HOME@
 
 # The lowest required version of macosx to enforce compatiblity for
-MACOSX_REQUIRED_VERSION=@MACOSX_REQUIRED_VERSION@
+MACOSX_VERSION_MIN=@MACOSX_VERSION_MIN@
 
 # There are two types: CC or CL
 # CC is gcc and others behaving reasonably similar.