From 1a2ea6db0d5de8c5cabb4fedc845ce9e72cccff0 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 22 Nov 2017 08:42:06 +0200
Subject: Improve diagnostics

---
 build2/cc/compile.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'build2/cc/compile.cxx')

diff --git a/build2/cc/compile.cxx b/build2/cc/compile.cxx
index 83230b2..2f8a0e1 100644
--- a/build2/cc/compile.cxx
+++ b/build2/cc/compile.cxx
@@ -2939,7 +2939,8 @@ namespace build2
         if (e.normal ())
         {
           fail << "unable to preprocess " << src <<
-            info << "re-run with -s -V to display the failing command";
+            info << "re-run with -s -V to display failing command" <<
+            info << "then run failing command to display compiler diagnostics";
         }
         else
           fail << args[0] << " terminated abnormally: " << e.description ();
-- 
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