From f027d3055fd30453a9c452b32c7ae9e65ee58ea1 Mon Sep 17 00:00:00 2001
From: Steffen Schuemann <s.schuemann@pobox.com>
Date: Sat, 20 Apr 2019 09:56:50 +0200
Subject: [PATCH] Work on CI integration.

---
 .travis.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a9bbd44..98e11a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,10 +21,13 @@ matrix:
       addons: { apt: { packages: ["g++-8"], sources: ["ubuntu-toolchain-r-test"] } }
 
     - env: MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0 && GENERATOR='Unix Makefiles'"
-      addons: { apt: { packages: ["clang-5.0"], sources: ["ubuntu-toolchain-r-test"] } }
+      addons: { apt: { packages: ["clang-5.0"] } }
 
     - env: MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0 && GENERATOR='Unix Makefiles'"
-      addons: { apt: { packages: ["clang-6.0"], sources: ["ubuntu-toolchain-r-test"] } }
+      addons: { apt: { packages: ["clang-6.0"] } }
+
+    - env: MATRIX_EVAL="CC=clang-7.0 && CXX=clang++-7.0 && GENERATOR='Unix Makefiles'"
+      addons: { apt: { packages: ["clang-7.0"], sources: ["llvm-toolchain-xenial-7"] } }
 
     - os: osx
       env: MATRIX_EVAL="CC=clang && CXX=clang++ && GENERATOR=Xcode"