diff --git a/Modules/makesetup b/Modules/makesetup
index 18fb682d5a7..e8229e6b5dd 100755
--- a/Modules/makesetup
+++ b/Modules/makesetup
@@ -189,6 +189,7 @@ sed -e 's/[ 	]*#.*//' -e '/^[ 	]*$/d' |
 			case $src in
 			glmodule.c) ;;
 			/*) ;;
+			\$*) ;;
 			*) src='$(srcdir)/'$src;;
 			esac
 			case $doconfig in