From 3e39190bc50284a620605c7b61faff197e116457 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 23 Jan 2016 12:13:06 +0200
Subject: Clean up default target extension derivation logic

---
 build2/target | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'build2/target')

diff --git a/build2/target b/build2/target
index 3d794c8..c6cc46e 100644
--- a/build2/target
+++ b/build2/target
@@ -1068,6 +1068,16 @@ namespace build2
   const std::string&
   target_extension_var (const target_key&, scope&);
 
+  // Issue diagnostics and fail if called.
+  //
+  const std::string&
+  target_extension_fail (const target_key&, scope&);
+
+  // Assert if called.
+  //
+  const std::string&
+  target_extension_assert (const target_key&, scope&);
+
   // The default behavior, that is, look for an existing target in the
   // prerequisite's directory scope.
   //
-- 
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