.travis.yml: exclude gcc from MacOS X CI builds.

Contemporary Xcode gcc is a front-end to clang, so that explicit
gcc build is actually redundant on MacOS X.

Reviewed-by: Richard Levitte <levitte@openssl.org>

diff --git a/.travis.yml b/.travis.yml
index 8e365b3356cc689372598fca605f417c911d3ac2..001180e811c81b459ff97dbb75acb22dd479e868 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -51,6 +51,8 @@ matrix:
     exclude:
         - os: osx
           compiler: clang-3.6
+        - os: osx
+          compiler: gcc
         - os: osx
           compiler: gcc-5
         - os: osx