From eb9fdb43c1de0805b3df7fc6c0b0e44b9c7c771d Mon Sep 17 00:00:00 2001
From: Felix Geyer <debfx@fobos.de>
Date: Sat, 12 Sep 2015 15:24:42 +0200
Subject: [PATCH] travis-ci: install and use gcc 4.7.

gcc 4.6 doesn't support all C++11 feature we need.
---
 .travis.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index b479f158..14b8ba93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,8 +7,13 @@ compiler:
 language: cpp
 before_install:
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo add-apt-repository -y ppa:beineri/opt-qt541; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CXX" == "g++" ]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test; fi
 install:
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get -qq update; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CC" == "gcc" ]; then sudo apt-get -qq install gcc-4.7; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CC" == "gcc" ]; then export CC="gcc-4.7"; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CXX" == "g++" ]; then sudo apt-get -qq install g++-4.7; fi
+  - if [ "$TRAVIS_OS_NAME" = "linux" ] && [ "$CXX" == "g++" ]; then export CXX="g++-4.7"; fi
   - if [ "$TRAVIS_OS_NAME" = "linux" ]; then sudo apt-get -qq install cmake qt54base qt54x11extras qt54tools libgcrypt11-dev zlib1g-dev libxtst-dev; fi
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew update; fi
   - if [ "$TRAVIS_OS_NAME" = "osx" ]; then brew ls | grep -wq cmake || brew install cmake; fi