diff --git a/Makefile b/Makefile
index 4b09437..7a2902d 100644
--- a/Makefile
+++ b/Makefile
@@ -91,6 +91,10 @@ EXTRAMAKEARGS = O=$(O)
 NEED_WRAPPER=y
 endif
 
+# Scripts in support/ may need to parse out .config, so give
+# them easy access
+export BR2_CONFIG_FILE=$(CONFIG_DIR)/.config
+
 # Pull in the user's configuration file
 ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
 -include $(CONFIG_DIR)/.config