Index: configure.in
===================================================================
--- configure.in	(revision 33610)
+++ configure.in	(working copy)
@@ -291,9 +291,9 @@ AC_SUBST(GCC)
 if test "$GCC" = yes; then
     AC_TRY_LINK([
       @%:@if defined __llvm__ && !defined __clang__
-      @%:@error llvm-gcc has ended
+      @%:@error llvm-gcc is not further supported by ruby.  Use gcc or clang
       @%:@endif
-    ], [], [], [AC_MSG_ERROR(llvm-gcc has ended)])
+    ], [], [], [AC_MSG_ERROR(llvm-gcc is not further supported by ruby.  Use gcc or clang)])
     linker_flag=-Wl,
     : ${optflags=-O3}
     AS_CASE(["$target_os"], [linux*|darwin*], [: ${debugflags=-ggdb}])