X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Flilypond-version.hh;h=818414abdf15abb3f2ec83e53a261d2c08014fad;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=952b19b8e1f1c632d3f24576fca573f395f0826b;hpb=08560a1b8076630c4fc6cb9b902614d8b74fd6fc;p=lilypond.git

diff --git a/lily/include/lilypond-version.hh b/lily/include/lilypond-version.hh
index 952b19b8e1..818414abdf 100644
--- a/lily/include/lilypond-version.hh
+++ b/lily/include/lilypond-version.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1998--2015 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
@@ -21,14 +21,16 @@
 #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_;
@@ -36,6 +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