From 3ad29c9ef53d13f707290b4808d7862217756380 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AE=8B=E6=96=87=E6=AD=A6?= <iyzsong@gmail.com>
Date: Fri, 16 Oct 2015 22:19:20 +0800
Subject: [PATCH] gnu: gtkmm-2: Fix build by passing '-std=c++11'.

* gnu/packages/gtk.scm (gtkmm-2)[arguments]: Pass '-std=c++11' as
  CPPFLAGS.
---
 gnu/packages/gtk.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index 078f0e7c84..cee8bd6b44 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -852,6 +852,8 @@ extensive documentation, including API reference and a tutorial.")
              (sha256
               (base32
                "1vpmjqv0aqb1ds0xi6nigxnhlr0c74090xzi15b92amlzkrjyfj4"))))
+    (arguments
+     '(#:configure-flags '("CPPFLAGS=-std=c++11"))) ; required by libsigc++
     (propagated-inputs
      `(("pangomm" ,pangomm)
        ("cairomm" ,cairomm)