From 8468aed6e76237b0d10db48a6b53343b8794644b Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 15 Dec 2017 10:55:08 +0100
Subject: Switch travis back to clang 4

---
 .travis.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 7e36ee8..31be35e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,10 +42,11 @@ matrix:
       # Travis sets CC and CXX accordingly
     - env: MATRIX_EVAL="" CONF="--disable-output-uhd"
       compiler: clang
-      addons: &linuxclang50
+      addons: &linuxclang40
         apt:
           sources:
-            - llvm-toolchain-trusty-5.0
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-4.0
           packages:
             - libzmq3-dev
             - libzmq3
@@ -55,7 +56,7 @@ matrix:
             - libcurl4-openssl-dev
             - libfftw3-dev
             # libuhd-dev is not allowed
-            - clang-5.0
+            - clang-4.0
 
 before_install:
   - eval "${MATRIX_EVAL}"
-- 
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