Only warn for unknown options in configure script

This follows discussion started at
http://lists.nongnu.org/archive/html/tinycc-devel/2012-05/msg00015.html

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 188c360..f152cf9 100755
--- a/configure
+++ b/configure
@@ -168,7 +168,7 @@ for opt do
   ;;
   --help|-h) show_help="yes"
   ;;
-  *) echo "configure: unrecognized option $opt"; exit 1
+  *) echo "configure: WARNING: unrecognized option $opt"
   ;;
   esac
 done