1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # get binutils version for the workaround of Bug 97
6 ldver = run_command('ld', '-v').stdout().strip()
7 if ldver.contains('2.30') and cc.has_argument('-mno-avx512f')
8 machine_args += '-mno-avx512f'
9 message('Binutils 2.30 detected, disabling AVX512 support as workaround for bug #97')
11 if ldver.contains('2.31') and cc.has_argument('-mno-avx512f')
12 machine_args += '-mno-avx512f'
13 message('Binutils 2.31 detected, disabling AVX512 support as workaround for bug #249')
17 # we require SSE4.2 for DPDK
18 if cc.get_define('__SSE4_2__', args: machine_args) == ''
19 message('SSE 4.2 not enabled by default, explicitly enabling')
20 machine_args += '-msse4'
23 base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
25 dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
26 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
29 optional_flags = ['AES', 'PCLMUL',
30 'AVX', 'AVX2', 'AVX512F',
32 foreach f:optional_flags
33 if cc.get_define('__@0@__'.format(f), args: machine_args) == '1'
34 if f == 'PCLMUL' # special case flags with different defines
39 dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
40 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
45 dpdk_conf.set('RTE_ARCH_X86', 1)
46 if dpdk_conf.get('RTE_ARCH_64')
47 dpdk_conf.set('RTE_ARCH_X86_64', 1)
48 dpdk_conf.set('RTE_ARCH', 'x86_64')
50 dpdk_conf.set('RTE_ARCH_I686', 1)
51 dpdk_conf.set('RTE_ARCH', 'i686')
54 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)