On Tue, Apr 8, 2025 at 11:24 PM Andre Muezerie
<andre...@linux.microsoft.com> wrote:
> diff --git a/lib/net/meson.build b/lib/net/meson.build
> index 7a6c419f40..c528fcc9a2 100644
> --- a/lib/net/meson.build
> +++ b/lib/net/meson.build
> @@ -43,7 +43,12 @@ use_function_versioning = true
>
> if dpdk_conf.has('RTE_ARCH_X86_64')
> sources += files('net_crc_sse.c')
> - cflags += ['-mpclmul', '-maes']
> + cflags_options = ['-mpclmul', '-maes']
> + foreach option:cflags_options
> + if cc.has_argument(option)
> + cflags += option
> + endif
> + endforeach
What guarantee do we have that MSVC builds with those instructions?
> # only build AVX-512 support if we also have PCLMULQDQ support
> if cc.has_argument('-mvpclmulqdq')
> sources_avx512 += files('net_crc_avx512.c')
--
David Marchand
