From df3b390b6ee3c22d9807444f118a0613c354a1e2 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 10 Aug 2012 15:14:56 +0200
Subject: Expand diagnostics for missing plugin support

---
 m4/gcc-plugin.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/m4/gcc-plugin.m4 b/m4/gcc-plugin.m4
index 0d3ae99..db0803b 100644
--- a/m4/gcc-plugin.m4
+++ b/m4/gcc-plugin.m4
@@ -17,7 +17,7 @@ gcc_plugin_base=`$CXX -print-file-name=plugin 2>/dev/null`
 
 if test x"$gcc_plugin_base" = xplugin; then
   AC_MSG_RESULT([no])
-  AC_MSG_ERROR([$CXX does not support plugins; reconfigure GCC with --enable-plugin])
+  AC_MSG_ERROR([$CXX does not support plugins; reconfigure GCC with --enable-plugin or install plugin headers])
 else
   AC_MSG_RESULT([yes])
   gcc_plugin_support=yes
-- 
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