Re: [dpdk-dev] [PATCH] net/i40e: fix mingw build error
From: Tal Shnaiderman <hidden>
Date: 2021-01-26 17:04:21
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Subject: [dpdk-dev] [PATCH] net/i40e: fix mingw build error External email: Use caution opening links or attachments Disable i40e avx512 code path for windows build to avoid the mingw build error. Fixes: e6a6a138919f ("net/i40e: add AVX512 vector path") Signed-off-by: Leyi Rong <redacted> --- config/x86/cross-mingw | 3 +++ drivers/net/i40e/meson.build | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-)diff --git a/config/x86/cross-mingw b/config/x86/cross-mingw index4c15a7fa2e..48a82b457e 100644--- a/config/x86/cross-mingw +++ b/config/x86/cross-mingw@@ -11,3 +11,6 @@ system = 'windows' cpu_family = 'x86_64' cpu = 'native' endian = 'little' + +[properties] +c_args = '-mno-avx512f'
Should be in a different patch since it effects the whole project.
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diff --git a/drivers/net/i40e/meson.build b/drivers/net/i40e/meson.build index c0acdf4fd4..c9a1a50407 100644 --- a/drivers/net/i40e/meson.build +++ b/drivers/net/i40e/meson.build@@ -54,7 +54,7 @@ if arch_subdir == 'x86' cc.has_argument('-mavx512f') and cc.has_argument('-mavx512bw')) - if i40e_avx512_cpu_support == true or i40e_avx512_cc_support == true + if not is_windows and (i40e_avx512_cpu_support == true or + i40e_avx512_cc_support == true)
DmitryK already mentioned it previously; you only need to disabled MinGW64 since clang isn't seeing those errors.
cflags += ['-DCC_AVX512_SUPPORT']
avx512_args = [cflags, '-mavx512f', '-mavx512bw']
if cc.has_argument('-march=skylake-avx512')
--
2.17.1