[PATCH v4 11/11] member: use common AVX512 build support

[Bruce Richardson <bruce.richardson@intel.com>]

Use the support for building AVX512 code present in lib/meson.build
rather than reimplementing it in the library meson.build file.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/member/meson.build | 46 +++++++-----------------------------------
 1 file changed, 7 insertions(+), 39 deletions(-)

diff --git a/lib/member/meson.build b/lib/member/meson.build
index 4341b424df..07f9afaed9 100644
--- a/lib/member/meson.build
+++ b/lib/member/meson.build
@@ -20,44 +20,12 @@ sources = files(
 
 deps += ['hash', 'ring']
 
-# compile AVX512 version if:
-if dpdk_conf.has('RTE_ARCH_X86_64') and binutils_ok
-    # compile AVX512 version if either:
-    # a. we have AVX512 supported in minimum instruction set
-    #    baseline
-    # b. it's not minimum instruction set, but supported by
-    #    compiler
-    #
-    # in former case, just add avx512 C file to files list
-    # in latter case, compile c file to static lib, using correct
-    # compiler flags, and then have the .o file from static lib
-    # linked into main lib.
-
-    member_avx512_args = cc_avx512_flags
-    if not is_ms_compiler
-            member_avx512_args += '-mavx512ifma'
-    endif
-
-    # check if all required flags already enabled
-    sketch_avx512_flags = ['__AVX512F__', '__AVX512DQ__', '__AVX512IFMA__']
-
-    sketch_avx512_on = true
-    foreach f:sketch_avx512_flags
-        if cc.get_define(f, args: machine_args) == ''
-            sketch_avx512_on = false
-        endif
-    endforeach
-
-    if sketch_avx512_on == true
-        cflags += ['-DCC_AVX512_SUPPORT']
-        sources += files('rte_member_sketch_avx512.c')
-    elif cc.has_multi_arguments(member_avx512_args)
-        sketch_avx512_tmp = static_library('sketch_avx512_tmp',
-            'rte_member_sketch_avx512.c',
-            include_directories: includes,
-            dependencies: [static_rte_eal, static_rte_hash],
-            c_args: cflags + member_avx512_args)
-        objs += sketch_avx512_tmp.extract_objects('rte_member_sketch_avx512.c')
-        cflags += ['-DCC_AVX512_SUPPORT']
+# compile AVX512 version if we have avx512 on MSVC or the 'ifma' flag on GCC/Clang
+if dpdk_conf.has('RTE_ARCH_X86_64')
+    if is_ms_compiler
+        sources_avx512 += files('rte_member_sketch_avx512.c')
+    elif cc.has_argument('-mavx512ifma')
+        sources_avx512 += files('rte_member_sketch_avx512.c')
+        cflags_avx512 += '-mavx512ifma'
     endif
 endif
-- 
2.43.0