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[TravisCI] Try to make the LTO build more reliable.

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TravisCI kills builds that don't show output for over 10 minutes [1].
This sometimes causes LTO builds to fail because gcc shows no output
during linking which can take many minutes to complete.

To workaround this we use the `travis_wait` command to allow at
most 45 minutes for the build to run. This command will force output
to appear at regular intervals.

The change is made in the top-level `.travis.yml` file rather than
the other scripts because I don't want to pollute them with TravisCI
specific details.

[1] https://docs.travis-ci.com/user/common-build-problems/#Build-times-out-because-no-output-was-received
This commit is contained in:
Dan Liew 2017-08-02 11:58:47 +01:00
parent ce3fd22f3b
commit c2f69ae9fb
1 changed files with 4 additions and 1 deletions
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.travis.yml
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@ -65,4 +65,7 @@ env:
# - os: osx
# osx_image: xcode 8.2
script:
- contrib/ci/scripts/travis_ci_entry_point.sh
# Use `travis_wait` to handle commands that don't show output for a long period of time.
# Currently this is the LTO build which can be very slow.
# Allow at most 45 minutes for the build.
- travis_wait 45 contrib/ci/scripts/travis_ci_entry_point.sh