From 8e4c28c0c223e4d9c45382ff1b011c24d6ee6246 Mon Sep 17 00:00:00 2001
From: Vasily <vautkin@teknik.io>
Date: Sun, 17 Mar 2019 20:58:32 +0100
Subject: [PATCH] Add g++-7 to clang CI

This is needed for std::optional.
---
 .travis.yml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index f736ab6..534bfcc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,11 +15,23 @@ matrix:
     compiler: gcc
 
   - os: linux
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-7
     env:
     - QMAKE_SPEC=linux-clang
     compiler: clang
 
   - os: linux
+    addons:
+      apt:
+        sources:
+        - ubuntu-toolchain-r-test
+        packages:
+        - g++-7
     env:
     - USE_TIDY=TRUE
     compiler: clang