From: Jon Turney <jon.turney@dronecode.org.uk>
To: Cygwin Patches <cygwin-patches@cygwin.com>
Subject: Re: [PATCH] Cygwin: Make gcc-specific code in <sys/cpuset.h> compiler-agnostic
Date: Fri, 7 Jul 2023 16:46:24 +0100 [thread overview]
Message-ID: <8bc70b04-7c0b-15de-b090-e2f38c424dd9@dronecode.org.uk> (raw)
In-Reply-To: <ZKfeaMftPy8HmXyy@calimero.vinschen.de>
On 07/07/2023 10:44, Corinna Vinschen wrote:
> Hi Mark,
>
> On Jul 7 00:41, Mark Geisert wrote:
>> The current version of <sys/cpuset.h> cannot be compiled by Clang due to
>> the use of __builtin* functions. Their presence here was a dubious
>> optimization anyway, so their usage has been converted to standard
>> library functions. A popcnt (population count of 1 bits in a word)
>> function is provided here because there isn't one in the standard library
>> or elsewhere in the Cygwin DLL.
>
> And clang really doesn't provide it? That's unfortunate.
I suspect if we had a current clang this would not be a problem.
There's probably something to be said for solving this problem by
removing our old and unmaintained clang packages...
next prev parent reply other threads:[~2023-07-07 15:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 7:41 Mark Geisert
2023-07-07 9:44 ` Corinna Vinschen
2023-07-07 10:13 ` Mark Geisert
2023-07-07 10:45 ` Corinna Vinschen
2023-07-07 15:46 ` Jon Turney [this message]
2023-07-07 15:49 ` Corinna Vinschen
2023-07-07 18:54 ` Brian Inglis
2023-07-08 19:22 ` Brian Inglis
2023-07-08 20:59 ` Mark Geisert
2023-07-08 21:53 ` Mark Geisert
2023-07-09 4:27 ` Brian Inglis
2023-07-09 7:58 ` Mark Geisert
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