diff -r cc7d74d85973 -r de08f025b1d0 make-rules/shared-macros.mk
--- a/make-rules/shared-macros.mk	Thu Jun 06 13:22:01 2013 -0700
+++ b/make-rules/shared-macros.mk	Fri Jun 07 09:51:37 2013 -0700
@@ -314,6 +314,7 @@
 
 PERL.5.12 =     /usr/perl5/5.12/bin/perl
 PERL.5.16 =	/usr/perl5/5.16/bin/perl
+PERL.5.12-mt =	/usr/perl5/5.12/bin/perl-threaded
 
 PERL =          $(PERL.$(PERL_VERSION))