From f11d720f2fb62b46ad17d3aa3850140a4839f114 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 13 Dec 2017 14:20:54 +0200
Subject: Implement info meta operation

This meta operation can be used to print basic information (name, version,
source/output roots, etc) for one or more projects.
---
 build2/name.hxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'build2/name.hxx')

diff --git a/build2/name.hxx b/build2/name.hxx
index 6f329ef..4394236 100644
--- a/build2/name.hxx
+++ b/build2/name.hxx
@@ -90,6 +90,8 @@ namespace build2
     compare (const name&) const;
   };
 
+  extern const name empty_name;
+
   inline bool
   operator== (const name& x, const name& y) {return x.compare (y) == 0;}
 
@@ -140,9 +142,10 @@ namespace build2
   // (names) and typed ones (vector<name>).
   //
   using names = small_vector<name, 1>;
-
   using names_view = vector_view<const name>;
 
+  extern const names empty_names;
+
   // The same semantics as to_stream(name).
   //
   ostream&
-- 
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