Run OpenCL test case with g++-7 instead of g++-8

There is a bug with shipped version of Boost.Compute incompatible with g++-8 The bug is already fixed in boostorg/compute@fdbdb94 but it will be not here until Ubuntu 18.10...
ahonorat · Jun 1, 2018 · 15107aa · 15107aa
1 parent 534f058
commit 15107aa
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -17,8 +17,10 @@ env:
       OPENMP=ON
       OPENCL=OFF
 
-    - CC_BUILD=gcc-8
-      CXX_BUILD=g++-8
+      # There is a bug with shipped version of Boost.Compute incompatible
+      # with g++-8
+    - CC_BUILD=gcc-7
+      CXX_BUILD=g++-7
       OPENMP=ON
       OPENCL=ON