Update Travis CI config to use GCC 5
Travis builds seem to fail when compiling some of the tools on
gcc 4.8.
This installs gcc and g++ 5 on Travis and sets up CC and CXX
environment variables. Done according to
@@ -5,8 +5,13 @@ script:
- scripts/test-codingstyle.sh
addons:
apt:
+ sources:
+ - ubuntu-toolchain-r-test
packages:
+ - g++-5
- libboost-all-dev
- libjson-c-dev
- uuid-dev
+before_install:
+ - export CC="gcc-5" CXX="g++-5"
