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Re: help making a cmake check for _Atomic?
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From: Daniel Stenberg via curl-library <curl-library_at_lists.haxx.se>
Date: Mon, 13 Jun 2022 08:09:19 +0200 (CEST)
On Sun, 12 Jun 2022, Cristian RodrÃguez wrote:
> so, if target environment is said to support c11 and not defined
> __STDC_NO_ATOMICS__ then include header, define some internal flag else not
> supported.
That seems more complicated than what we do now.
configure tests need to check for the presence of things, not the absense of
the opposite.
If you build curl with C89 compiler from the early 90s, __STDC_NO_ATOMICS__
will not be defined even if atomic and friends are not supported.
Date: Mon, 13 Jun 2022 08:09:19 +0200 (CEST)
On Sun, 12 Jun 2022, Cristian RodrÃguez wrote:
> so, if target environment is said to support c11 and not defined
> __STDC_NO_ATOMICS__ then include header, define some internal flag else not
> supported.
That seems more complicated than what we do now.
configure tests need to check for the presence of things, not the absense of
the opposite.
If you build curl with C89 compiler from the early 90s, __STDC_NO_ATOMICS__
will not be defined even if atomic and friends are not supported.
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