From 8b98a6b3fae40487ac529a7118865df6a71159ee Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 22 Jul 2017 17:43:09 +0200
Subject: Implement detection of ignorable changes (whitespaces, comments)

---
 build2/cc/compile.hxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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

diff --git a/build2/cc/compile.hxx b/build2/cc/compile.hxx
index 58b6e13..7bf182e 100644
--- a/build2/cc/compile.hxx
+++ b/build2/cc/compile.hxx
@@ -102,9 +102,9 @@ namespace build2
       pair<auto_rmfile, bool>
       extract_headers (action, file&, lorder,
                        const file&, const match_data&,
-                       depdb&, bool&) const;
+                       depdb&, bool&, timestamp) const;
 
-      translation_unit
+      pair<translation_unit, string>
       parse_unit (action, file&, lorder,
                   const file&, auto_rmfile&, const match_data&) const;
 
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