Xcode version gets reported in travis ui even for linux builds #5125

[gdevenyi]

Its worse than just the xcode version being reported, if you use multiple osx_versions, the linux builds are multiplied in the build matrix:

Multiple os: and osx_version: replicates linux entries in build matrix:

Hi, I’m trying to test builds across linux, mutliple GCC versions, and OSX, gcc and clang versions. I have the following .travis.yml config, which generates all my entries, but also generates double the required entries for linux, as osx_image is done for os: osx and os: linux. This looks like a bug to me. language: cpp cache: ccache dist: xenial addons: apt: sources: - ubuntu-toolchain-r-test - llvm-toolchain-xenial-3.6 - llvm-toolchain-xenial-3.7 - llvm-toolc…