From aec5f7309b2ee7210dc39de9c792f35273c73c10 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 24 Jan 2016 12:03:50 +0200
Subject: Differentiate extension printing according to stream verbosity

---
 build2/parser.cxx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'build2/parser.cxx')

diff --git a/build2/parser.cxx b/build2/parser.cxx
index b28f4f6..ad556ce 100644
--- a/build2/parser.cxx
+++ b/build2/parser.cxx
@@ -941,9 +941,8 @@ namespace build2
       // base doesn't use extensions, then most likely neither do we (think
       // foo: alias).
       //
-      dt->extension = /*bt->extension == nullptr
-        ? nullptr
-        :*/ &target_extension_var<derived_ext_var, nullptr>;
+      if (bt->extension != nullptr)
+        dt->extension = &target_extension_var<derived_ext_var, nullptr>;
 
       target_type& rdt (*dt); // Save a non-const reference to the object.
 
-- 
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