<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 25 March 2017 at 02:24, Brett Cannon <span dir="ltr"><<a href="mailto:brett@python.org" target="_blank">brett@python.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><span class=""></span>Another option is if we drop a compiler from a debug build we can use it for the coverage run so it's at least being exercised somewhere.<div><br></div><div>If we drop either compiler I would vote for dropping gcc actually as the compiler messages are much worse on gcc compared to clang. I guess it comes down to whether we think CI should be used as a fallback for a failing test suite or if we think CI might help contributors if they happen to have a bug in their C code that they simply didn't notice (e.g. thought they made an innocuous fix that didn't warrant a rebuild).</div></div></div></blockquote><br></div><div class="gmail_quote">Catching "forgot to run make before running the tests" is a useful role, but in that case I'd expect most folks to go "oops" and do a local build, rather than trying to debug compile errors solely from the CI logs (except for the cross-platform case, where something works on Windows but not on *nix, and vice-versa).<br><br>However, from the point of view of making it easier for Windows devs to debug *nix debug errors, it probably makes more sense to use clang for the main *nix test run, and then use gcc to do the coverage run.<br><br>That setup would give:<br><br></div><div class="gmail_quote">- all 3 default compilers running in CI (MSVC in Appveyor, clang for the main Travis tests, gcc for the coverage run)<br></div><div class="gmail_quote">- Windows devs getting the friendlier clang error messages when they're trying to debug a cross-platform compilation problem<br></div><div class="gmail_quote"><br></div><div class="gmail_quote">Cheers,<br></div><div class="gmail_quote">Nick.<br></div><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Nick Coghlan | <a href="mailto:ncoghlan@gmail.com" target="_blank">ncoghlan@gmail.com</a> | Brisbane, Australia</div>
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