From 09a89c6b5670f704ffd1285e74144c8085d4f432 Mon Sep 17 00:00:00 2001
From: NotAdam <adam@notadam.me>
Date: Tue, 21 Aug 2018 20:42:06 +1000
Subject: [PATCH] maybe this works...

---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index a91f1884..017917dd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,9 +12,11 @@ matrix:
       addons:
         apt:
           sources:
+          - ubuntu-toolchain-r-test
           - llvm-toolchain-trusty-6.0
           packages:
           - clang-6.0
+          - g++-7
       env:
       - MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0"