From 2b9f93b77206e20235eb0482d208f4737c2c7c13 Mon Sep 17 00:00:00 2001
From: saschawillems <webmaster@saschawillems.de>
Date: Fri, 7 Sep 2018 09:50:39 +0200
Subject: [PATCH] Travis CI gcc version

---
 .travis.yml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index b411c624..546d871f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,20 @@ language: cpp
 sudo: required
 os: linux
 dist: trusty
+matrix:
+  include:
+    # works on Precise and Trusty
+    - os: linux
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-7
+      env:
+         - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
+before_install:
+    - eval "${MATRIX_EVAL}"         
 compiler:
   - clang
   - gcc