ryan	2011-11-18 07:38:18 +0900 (Fri, 18 Nov 2011)

  New Revision: 33780

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=33780

  Log:
    Improved error message when using llvm-gcc

  Modified files:
    trunk/configure.in

Index: configure.in
===================================================================
--- configure.in	(revision 33779)
+++ configure.in	(revision 33780)
@@ -293,7 +293,7 @@
       @%:@if defined __llvm__ && !defined __clang__
       @%:@error llvm-gcc has ended
       @%:@endif
-    ], [], [], [AC_MSG_ERROR(llvm-gcc has ended)])
+    ], [], [], [AC_MSG_ERROR(llvm-gcc has ended. Run configure with CC=clang)])
     linker_flag=-Wl,
     : ${optflags=-O3}
     AS_CASE(["$target_os"], [linux*|darwin*], [: ${debugflags=-ggdb}])

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