1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # for checking defines we need to use the correct compiler flags
5 march_opt = ['-march=@0@'.format(machine)]
7 # get binutils version for the workaround of Bug 97
8 if host_machine.system() != 'windows'
9 ldver = run_command('ld', '-v').stdout().strip()
10 if ldver.contains('2.30')
11 if cc.has_argument('-mno-avx512f')
12 march_opt += '-mno-avx512f'
13 message('Binutils 2.30 detected, disabling AVX512 support as workaround for bug #97')
18 # we require SSE4.2 for DPDK
19 sse_errormsg = '''SSE4.2 instruction set is required for DPDK.
20 Please set the machine type to "nehalem" or "corei7" or higher value'''
22 if cc.get_define('__SSE4_2__', args: march_opt) == ''
26 base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
28 dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
29 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
32 dpdk_conf.set('RTE_ARCH_X86', 1)
33 if dpdk_conf.get('RTE_ARCH_64')
34 dpdk_conf.set('RTE_ARCH_X86_64', 1)
35 dpdk_conf.set('RTE_ARCH', 'x86_64')
37 dpdk_conf.set('RTE_ARCH_I686', 1)
38 dpdk_conf.set('RTE_ARCH', 'i686')
41 if cc.get_define('__AES__', args: march_opt) != ''
42 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
43 compile_time_cpuflags += ['RTE_CPUFLAG_AES']
45 if cc.get_define('__PCLMUL__', args: march_opt) != ''
46 dpdk_conf.set('RTE_MACHINE_CPUFLAG_PCLMULQDQ', 1)
47 compile_time_cpuflags += ['RTE_CPUFLAG_PCLMULQDQ']
49 if cc.get_define('__AVX__', args: march_opt) != ''
50 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX', 1)
51 compile_time_cpuflags += ['RTE_CPUFLAG_AVX']
53 if cc.get_define('__AVX2__', args: march_opt) != ''
54 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX2', 1)
55 compile_time_cpuflags += ['RTE_CPUFLAG_AVX2']
57 if cc.get_define('__AVX512F__', args: march_opt) != ''
58 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX512F', 1)
59 compile_time_cpuflags += ['RTE_CPUFLAG_AVX512F']
62 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)