From 37faf68b8661d70d776ad164873d5adf1151b765 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Tue, 25 Dec 2018 16:29:16 +0100
Subject: [PATCH] =?UTF-8?q?libsigcxx:=202.10.0=20=E2=86=92=202.10.1?=
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---
 .../libraries/libsigcxx/default.nix           | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/libraries/libsigcxx/default.nix b/pkgs/development/libraries/libsigcxx/default.nix
index 8eba5377bc34..434dbfb9f725 100644
--- a/pkgs/development/libraries/libsigcxx/default.nix
+++ b/pkgs/development/libraries/libsigcxx/default.nix
@@ -1,20 +1,25 @@
-{ stdenv, fetchurl, pkgconfig, gnum4 }:
-let
-  ver_maj = "2.10"; # odd major numbers are unstable
-  ver_min = "0";
-in
+{ stdenv, fetchurl, pkgconfig, gnum4, gnome3 }:
+
 stdenv.mkDerivation rec {
-  name = "libsigc++-${ver_maj}.${ver_min}";
+  pname = "libsigc++";
+  version = "2.10.1";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/libsigc++/${ver_maj}/${name}.tar.xz";
-    sha256 = "f843d6346260bfcb4426259e314512b99e296e8ca241d771d21ac64f28298d81";
+    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "00v08km4wwzbh6vjxb21388wb9dm6g2xh14rgwabnv4c2wk5z8n9";
   };
 
   nativeBuildInputs = [ pkgconfig gnum4 ];
 
   doCheck = true;
 
+  passthru = {
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+      attrPath = "libsigcxx";
+    };
+  };
+
   meta = with stdenv.lib; {
     homepage = https://libsigcplusplus.github.io/libsigcplusplus/;
     description = "A typesafe callback system for standard C++";