diff -r d4f4b5fe93f0 -r 4d6a58429fb1 make-rules/makemaker.mk
--- a/make-rules/makemaker.mk	Thu May 30 15:25:31 2013 -0700
+++ b/make-rules/makemaker.mk	Thu Jun 13 18:20:37 2013 -0700
@@ -18,7 +18,7 @@
 #
 # CDDL HEADER END
 #
-# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 #
 
 # we only do 32 bit perl for now.
@@ -37,11 +37,13 @@
 
 $(PERLBD_ARCH)-5.8.4/.configured:		PERL_VERSION=5.8.4
 $(PERLBD_ARCH)-5.12/.configured:		PERL_VERSION=5.12
+$(PERLBD_ARCH)-5.12-mt/.configured:		PERL_VERSION=5.12-mt
 
 BUILD_32 =	$(PERL_VERSIONS:%=$(PERLBD_ARCH)-%/.built)
 INSTALL_32 =	$(BUILD_32:%/.built=%/.installed)
 TEST_32 =	$(BUILD_32:%/.built=%/.tested)
 
+PKG_MACROS +=	ARCH=$(shell arch)
 
 COMPONENT_CONFIGURE_ENV +=	$(COMMON_PERL_ENV)
 COMPONENT_CONFIGURE_ENV +=	PERL="$(PERL)"