Drop the standard gcc test build on Travis (GH-853) (GH-861)

brettcannon · web-flow · commit d6654071cf80 · 2017-03-27T16:47:35.000-07:00
Instead have gcc be used for the coverage build so gcc is exercised in at least one place. (cherry picked from commit ad2f9e2)
diff --git a/.travis.yml b/.travis.yml
@@ -10,11 +10,11 @@ os:
   - linux
   # macOS builds are disabled as the machines are under-provisioned on Travis,
   # adding up to an extra hour completing a full CI run.
-  #- osx
 
 compiler:
   - clang
-  - gcc
+  # gcc also works, but to keep the # of concurrent builds down, we use one C
+  # compiler here and the other to run the coverage build.
 
 env:
   - TESTING=cpython
