From 26b67c2ef9beedd0845265a60a708695106250ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Thu, 10 Mar 2016 10:21:33 +0100
Subject: [PATCH] libsigc++: update 2.3.1 -> 2.6.2

We were using a rather old development (!) release.
---
 .../development/libraries/libsigcxx/default.nix | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/libraries/libsigcxx/default.nix b/pkgs/development/libraries/libsigcxx/default.nix
index 610d14568ae5..91273ad30dd3 100644
--- a/pkgs/development/libraries/libsigcxx/default.nix
+++ b/pkgs/development/libraries/libsigcxx/default.nix
@@ -1,19 +1,24 @@
 { stdenv, fetchurl, pkgconfig, gnum4 }:
-
+let
+  ver_maj = "2.6"; # odd major numbers are unstable
+  ver_min = "2";
+in
 stdenv.mkDerivation rec {
-  name = "libsigc++-2.3.1";
+  name = "libsigc++-${ver_maj}.${ver_min}";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/libsigc++/2.3/${name}.tar.xz";
-    sha256 = "14q3sq6d43f6wfcmwhw4v1aal4ba0h5x9v6wkxy2dnqznd95il37";
+    url = "mirror://gnome/sources/libsigc++/${ver_maj}/${name}.tar.xz";
+    sha256 = "fdace7134c31de792c17570f9049ca0657909b28c4c70ec4882f91a03de54437";
   };
 
-  buildInputs = [ pkgconfig gnum4 ];
+  nativeBuildInputs = [ pkgconfig gnum4 ];
 
   doCheck = true;
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://libsigc.sourceforge.net/;
     description = "A typesafe callback system for standard C++";
+    license = licenses.lgpl21;
+    platforms = platforms.all;
   };
 }