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Subject: Re: [boost] Boost Test Matrix - no clang release builds?
From: Tom Kent (lists_at_[hidden])
Date: 2018-11-12 02:45:03

On Sun, Nov 11, 2018 at 4:26 PM James E. King III via Boost <
boost_at_[hidden]> wrote:

> I was putting together some additional testing for a library and my CI jobs
> were failing in release mode. I was able to reproduce the issue locally.
> On examination of the boost test matrix however I was unable to see the
> same failures. When I dug into it a little bit more, it looks like the
> clang linux build jobs only build the default variant (debug), and
> therefore will not catch release-mode optimization issues when running the
> unit tests.
> Here's one of the job details:
> Given this matrix is the last line of defense before code is merged from
> develop to master, I'd suggest that the build jobs should all be targeting
> variant=release instead of variant=debug. The former directly impacts a
> release, and the latter does not.

Interesting catch. There is the 'teeks99-02-mc7-opt-Docker-64on64' [1]
configuration that manually specifies the -O2 flag (and a similar one for
gcc [2]). Does this find the issue that you are looking for?

What does variant=release do on posix platforms? For visual studio builds
there is a specific set of things that are defaulted for "release" builds
vs. "debug" builds, but I don't think that translates exactly to GCC/Clang.
(Please correct me if I'm wrong).



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