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From: "unlvsur at live dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/100017] [11/12 regression] error: 'fenv_t' has not
 been declared in '::' -- canadian compilation fails
Date: Sun, 07 Nov 2021 19:40:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100017

--- Comment #40 from cqwrteur <unlvsur at live dot com> ---
(In reply to Andrew Aladjev from comment #38)
> Sure, patches works perfect. But we need somehow decrease the chance of
> similar regressions in future. It is possible by adding any basic "canadi=
an"
> build into the list of tests to be done before release. We should not try=
 to
> add such test into codebase itself, we need just to intrigue any of core =
gcc
> developers to add this test into the virtual checklist.
>=20
> Thank you.

Issues like this are exactly why i would never use a script (including thin=
gs
like cross-ng) to build anything. I would build everything manually since i=
t is
very likely to fail for all sorts of different reasons, neither their testi=
ng
would fix it since they have to include different libcs (we have hundreds of
different libcs) to test each of them, which is not possible.=