work around broken travis environment variables

See: https://github.com/travis-ci/travis-ci/issues/5301
2019-07-24 18:30:27 -04:00 · 2019-07-24 18:30:27 -04:00 · 4744c3fa41
commit 4744c3fa41
parent ad7d16a5b3
1 changed files with 2 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -30,6 +30,8 @@ before_script:
    - travis_retry sudo gem install asciidoctor
    - travis_retry sudo -H pip install --ignore-installed msgcheck pylint
    - phpenv local system
+      # work around broken travis environment variables, see https://github.com/travis-ci/travis-ci/issues/5301
+    - unset PYTHON_CFLAGS

 script:
    - ./tools/build-test.sh