$OpenBSD: patch-configure_ac,v 1.1 2017/10/12 08:07:11 phessler Exp $

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -145,7 +145,7 @@ case "${is_clang}-${gcc_version}" in
      notclang-5.*)
 	AC_MSG_RESULT([ok (${gcc_version})])
 	;;
-     clang-2.9|clang-3.*|clang-4.*)
+     clang-*)
 	AC_MSG_RESULT([ok (clang-${gcc_version})])
 	;;
      *)
