Re: [External] Re: [PATCH v2 05/20] meson: Introduce new instruction set enqcmd to the build system.

[Hao Xiang <hao.xiang@bytedance.com>]

On Mon, Dec 11, 2023 at 7:41 AM Fabiano Rosas <farosas@suse.de> wrote:
>
> Hao Xiang <hao.xiang@bytedance.com> writes:
>
> > Enable instruction set enqcmd in build.
> >
> > Signed-off-by: Hao Xiang <hao.xiang@bytedance.com>
> > ---
> >  meson.build                   | 2 ++
> >  meson_options.txt             | 2 ++
> >  scripts/meson-buildoptions.sh | 3 +++
> >  3 files changed, 7 insertions(+)
> >
> > diff --git a/meson.build b/meson.build
> > index ec01f8b138..1292ab78a3 100644
> > --- a/meson.build
> > +++ b/meson.build
> > @@ -2708,6 +2708,8 @@ config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
> >      int main(int argc, char *argv[]) { return bar(argv[0]); }
> >    '''), error_message: 'AVX512BW not available').allowed())
> >
> > +config_host_data.set('CONFIG_DSA_OPT', get_option('enqcmd'))
>
> We need some sort of detection at configure time whether the feature is
> available. There are different compilers and compiler versions,
> different Intel CPU versions, different CPU vendors, different
> architectures, etc. Not all combinations will support DSA. Check avx512
> above.
>

Will fix it in the next version.