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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/28318] [gdb/build] std::thread support configure check
 does not use CXX_DIALECT
Date: Wed, 08 Sep 2021 08:51:09 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28318

--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #2)
> but indeed in the build/gdb/Makefile:
> ...
> CXX =3D g++ -std=3Dgnu++11
> CXX_DIALECT =3D -std=3Dgnu++11
> ...

As well as:
...
CC =3D gcc -std=3Dgnu99
...

It seems we have CXX_DIALECT but not C_DIALECT.

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