Detect clang in cc version.

diff --git a/configure b/configure
index 215dd392ccec80a781f3e8ce64d6732901a7b483..1f49eff5c2937a1378a68b41badb898866799261 100755 (executable)
--- a/configure
+++ b/configure
@@ -201,6 +201,7 @@ case "$cc" in
 esac
 case `$cc -v 2>&1` in
   *gcc*) gcc=1 ;;
+  *clang*) gcc=1 ;;
 esac
 
 show $cc -c $test.c