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Re: Incorrect work AX_CHECK_COMPILE_FLAG with clang
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From: |
Illia Iorin |
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Subject: |
Re: Incorrect work AX_CHECK_COMPILE_FLAG with clang |
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Date: |
Fri, 19 Oct 2018 17:27:19 +0300 |
Hello, maybe i don't provide enough information for attention. If i can
somehow help you with information about this issue. Let me know. Or please
redirect me to needed mailing thread.
More information about reproducing you can find in bugzilla.
https://bugs.freedesktop.org/show_bug.cgi?id=108082
BR Illia.
On Mon, Oct 8, 2018 at 6:40 PM Illia Iorin <address@hidden> wrote:
> When I build dev-version of mesa 3d(graphics APIs) These warning messages
> are appearing with clang.
>
> warning: unknown warning option '-Wno-format-truncation'
> [-Wunknown-warning-option]
> They have appeared after we have added this command to our autoconf file.
> AX_CHECK_COMPILE_FLAG([-Wformat-truncation], [CFLAGS="$CFLAGS
> -Wno-format-truncation"])
>
> This command works correct with gcc and g++ but with clang and clang++
> this flag is added though they don't support this flag. Does autoconf have
> full clang support or autoconf has well known workaround?. Link to autoconf
> file:
> https://gitlab.freedesktop.org/mesa/mesa/blob/master/configure.ac#L310
>