X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Flilypond-version.hh;h=818414abdf15abb3f2ec83e53a261d2c08014fad;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=12c4782205f5d828a58e4522a468cd318418b376;hpb=9e69cb84d6ee5b0a861cd97869b10e3bdf0c833c;p=lilypond.git

diff --git a/lily/include/lilypond-version.hh b/lily/include/lilypond-version.hh
index 12c4782205..818414abdf 100644
--- a/lily/include/lilypond-version.hh
+++ b/lily/include/lilypond-version.hh
@@ -1,23 +1,36 @@
 /*
-  lilypond-version.hh -- declare LilyPond_version
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1998--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef LILYPOND_VERSION_HH
 #define LILYPOND_VERSION_HH
 
 #include "std-string.hh"
+#include "compare.hh"
 
 struct Lilypond_version
 {
   Lilypond_version (int major, int minor, int patch);
-  Lilypond_version (string str);
+  Lilypond_version (const string &str);
 
   string to_string () const;
-  operator int () const;
+  operator bool () const;
+  static int compare (const Lilypond_version &, const Lilypond_version &);
 
   int major_;
   int minor_;
@@ -25,6 +38,8 @@ struct Lilypond_version
   string extra_patch_string_;
 };
 
+INSTANTIATE_COMPARE (const Lilypond_version &, Lilypond_version::compare);
+
 extern Lilypond_version oldest_version;
 
 #endif // LILYPOND_VERSION_HH