[PATCH] meson: Disable optimizations if CLang doesn't support -fsemantic-interposition
Michal Prívozník
mprivozn at redhat.com
Tue Mar 21 15:31:00 UTC 2023
On 3/21/23 16:25, Daniel P. Berrangé wrote:
> On Tue, Mar 21, 2023 at 04:11:33PM +0100, Michal Privoznik wrote:
>> <snip/>
>
> I don't like the idea of forcing -O0 for the production builds, just to
> work around the problem of our broken tests. Can we approach it from the
> opposite POV and disable building of tests, if we see meson optimization
> level is > 0
>
> eg something roughly like this:
>
> with_tests = true
> if cc.get_id() == 'clang' and
> not supported_cc_flags.contains('-fsemantic-interposition') and
> get_option('optimization') != 0
> with_tests = false
> endif
>
> if with_tests
> subdir('tests')
> endif
>
>
> So people can choose to have tests work or not
That could work too, yeah. My reasoning for going with -O0 was that it's
very rare that somebody would use such old CLang, but I guess disabling
tests is less invasive. I'll send v2 shortly.
Michal
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