From 7defda8356cc6444be2d40ff085dfee421a51a97 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@gmail.com>
Date: Wed, 5 Oct 2016 19:18:36 -0500
Subject: [PATCH] gtkmm: fix build error by patching missing operator

---
 pkgs/development/libraries/gtkmm/2.x.nix              |  2 ++
 .../gtkmm/gtkmm-2.24.4-missing-operator.patch         | 11 +++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 pkgs/development/libraries/gtkmm/gtkmm-2.24.4-missing-operator.patch

diff --git a/pkgs/development/libraries/gtkmm/2.x.nix b/pkgs/development/libraries/gtkmm/2.x.nix
index b87b60c59da..422fdebd9c8 100644
--- a/pkgs/development/libraries/gtkmm/2.x.nix
+++ b/pkgs/development/libraries/gtkmm/2.x.nix
@@ -9,6 +9,8 @@ stdenv.mkDerivation rec {
     sha256 = "1vpmjqv0aqb1ds0xi6nigxnhlr0c74090xzi15b92amlzkrjyfj4";
   };
 
+  patches = [ ./gtkmm-2.24.4-missing-operator.patch ];
+
   nativeBuildInputs = [pkgconfig];
 
   propagatedBuildInputs = [ glibmm gtk2 atkmm cairomm pangomm ];
diff --git a/pkgs/development/libraries/gtkmm/gtkmm-2.24.4-missing-operator.patch b/pkgs/development/libraries/gtkmm/gtkmm-2.24.4-missing-operator.patch
new file mode 100644
index 00000000000..c1e8cf59dde
--- /dev/null
+++ b/pkgs/development/libraries/gtkmm/gtkmm-2.24.4-missing-operator.patch
@@ -0,0 +1,11 @@
+--- gtkmm-2.24.4/gtk/gtkmm/menushell.cc.orig	2016-08-26 21:55:08.858311055 +0000
++++ gtkmm-2.24.4/gtk/gtkmm/menushell.cc	2016-08-26 21:55:33.206310578 +0000
+@@ -130,7 +130,7 @@ MenuList::iterator MenuList::insert(Menu
+ {
+   const Glib::RefPtr<Gtk::MenuItem> item = element.get_child();
+ 
+-  g_return_val_if_fail(item != 0, position);
++  g_return_val_if_fail(!!item, position);
+   g_return_val_if_fail(gparent() != 0, position);
+ 
+   int pos = -1;
\ No newline at end of file