From fca36b617d2d62336735a6a9692f88513eaff826 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@mailbox.org>
Date: Tue, 28 Feb 2017 07:38:57 -0600
Subject: [PATCH] ipe: build with C++11 for Qt 5.7

---
 pkgs/applications/graphics/ipe/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/applications/graphics/ipe/default.nix b/pkgs/applications/graphics/ipe/default.nix
index c1c1861cd3d..4a99d0ea4a1 100644
--- a/pkgs/applications/graphics/ipe/default.nix
+++ b/pkgs/applications/graphics/ipe/default.nix
@@ -21,6 +21,8 @@ stdenv.mkDerivation rec {
     sed -i -e 's/install -s/install/' common.mak || die
   '';
 
+  NIX_CFLAGS_COMPILE = [ "-std=c++11" ]; # build with Qt 5.7
+
   IPEPREFIX="$$out";
   URWFONTDIR="${texlive}/texmf-dist/fonts/type1/urw/";
   LUA_PACKAGE = "lua";