diff --git a/source-builder/config/gcc-4.7-1.cfg b/source-builder/config/gcc-4.7-1.cfg
index fb1fb0b..dd88041 100644
--- a/source-builder/config/gcc-4.7-1.cfg
+++ b/source-builder/config/gcc-4.7-1.cfg
@@ -5,6 +5,11 @@
 # newlib, MPFR, MPC, and GMP in a one-tree build configuration.
 #
 
+#
+# Select the GCC 4.7 Snapshot Macro Map
+#
+%select gcc-4.7-snapshot
+
 #
 # Source
 #