1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 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 ldver = run_command('ld', '-v').stdout().strip()
9 if ldver.contains('2.30')
10 if cc.has_argument('-mno-avx512f')
11 march_opt += '-mno-avx512f'
12 message('Binutils 2.30 detected, disabling AVX512 support as workaround for bug #97')
16 # we require SSE4.2 for DPDK
17 sse_errormsg = '''SSE4.2 instruction set is required for DPDK.
18 Please set the machine type to "nehalem" or "corei7" or higher value'''
20 if cc.get_define('__SSE4_2__', args: march_opt) == ''
24 base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2']
26 dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1)
27 compile_time_cpuflags += ['RTE_CPUFLAG_' + f]
30 dpdk_conf.set('RTE_ARCH_X86', 1)
31 if dpdk_conf.get('RTE_ARCH_64')
32 dpdk_conf.set('RTE_ARCH_X86_64', 1)
33 dpdk_conf.set('RTE_ARCH', 'x86_64')
35 dpdk_conf.set('RTE_ARCH_I686', 1)
36 dpdk_conf.set('RTE_ARCH', 'i686')
39 if cc.get_define('__AES__', args: march_opt) != ''
40 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AES', 1)
41 compile_time_cpuflags += ['RTE_CPUFLAG_AES']
43 if cc.get_define('__PCLMUL__', args: march_opt) != ''
44 dpdk_conf.set('RTE_MACHINE_CPUFLAG_PCLMULQDQ', 1)
45 compile_time_cpuflags += ['RTE_CPUFLAG_PCLMULQDQ']
47 if cc.get_define('__AVX__', args: march_opt) != ''
48 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX', 1)
49 compile_time_cpuflags += ['RTE_CPUFLAG_AVX']
51 if cc.get_define('__AVX2__', args: march_opt) != ''
52 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX2', 1)
53 compile_time_cpuflags += ['RTE_CPUFLAG_AVX2']
55 if cc.get_define('__AVX512F__', args: march_opt) != ''
56 dpdk_conf.set('RTE_MACHINE_CPUFLAG_AVX512F', 1)
57 compile_time_cpuflags += ['RTE_CPUFLAG_AVX512F']
60 dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)