1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2020 Intel Corporation
4 # get binutils version for the workaround of Bug 97
6 if is_linux or cc.get_id() == 'gcc'
7 binutils_ok = run_command(binutils_avx512_check, check: false).returncode() == 0
8 if not binutils_ok and cc.has_argument('-mno-avx512f')
9 machine_args += '-mno-avx512f'
10 warning('Binutils error with AVX512 assembly, disabling AVX512 support')
14 # check if compiler is working with _mm512_extracti64x4_epi64
15 # Ref: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82887
16 if cc.has_argument('-mavx512f')
17 code = '''#include <immintrin.h>
18 void test(__m512i zmm){
19 __m256i ymm = _mm512_extracti64x4_epi64(zmm, 0);}'''
20 result = cc.compiles(code, args : '-mavx512f', name : 'AVX512 checking')
22 machine_args += '-mno-avx512f'
23 warning('Broken _mm512_extracti64x4_epi64, disabling AVX512 support')
27 # we require SSE4.2 for DPDK
28 if cc.get_define('__SSE4_2__', args: machine_args) == ''
29 message('SSE 4.2 not enabled by default, explicitly enabling')
30 machine_args += '-msse4'
33 base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
35 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
52 foreach f:optional_flags
53 if cc.get_define('__@0@__'.format(f), args: machine_args) == '1'
54 if f == 'PCLMUL' # special case flags with different defines
59 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
64 dpdk_conf.set('RTE_ARCH_X86', 1)
65 if dpdk_conf.get('RTE_ARCH_64')
66 dpdk_conf.set('RTE_ARCH_X86_64', 1)
67 dpdk_conf.set('RTE_ARCH', 'x86_64')
69 dpdk_conf.set('RTE_ARCH_I686', 1)
70 dpdk_conf.set('RTE_ARCH', 'i686')
73 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)
74 dpdk_conf.set('RTE_MAX_LCORE', 128)
75 dpdk_conf.set('RTE_MAX_NUMA_NODES', 32)