# SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2017-2019 Intel Corporation # get binutils version for the workaround of Bug 97 if not is_windows binutils_ok = run_command(binutils_avx512_check) if binutils_ok.returncode() != 0 and cc.has_argument('-mno-avx512f') machine_args += '-mno-avx512f' warning('Binutils error with AVX512 assembly, disabling AVX512 support') endif endif # we require SSE4.2 for DPDK if cc.get_define('__SSE4_2__', args: machine_args) == '' message('SSE 4.2 not enabled by default, explicitly enabling') machine_args += '-msse4' endif base_flags = ['SSE', 'SSE2', 'SSE3','SSSE3', 'SSE4_1', 'SSE4_2'] foreach f:base_flags dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1) compile_time_cpuflags += ['RTE_CPUFLAG_' + f] endforeach optional_flags = ['AES', 'PCLMUL', 'AVX', 'AVX2', 'AVX512F', 'RDRND', 'RDSEED'] foreach f:optional_flags if cc.get_define('__@0@__'.format(f), args: machine_args) == '1' if f == 'PCLMUL' # special case flags with different defines f = 'PCLMULQDQ' elif f == 'RDRND' f = 'RDRAND' endif dpdk_conf.set('RTE_MACHINE_CPUFLAG_' + f, 1) compile_time_cpuflags += ['RTE_CPUFLAG_' + f] endif endforeach dpdk_conf.set('RTE_ARCH_X86', 1) if dpdk_conf.get('RTE_ARCH_64') dpdk_conf.set('RTE_ARCH_X86_64', 1) dpdk_conf.set('RTE_ARCH', 'x86_64') else dpdk_conf.set('RTE_ARCH_I686', 1) dpdk_conf.set('RTE_ARCH', 'i686') endif dpdk_conf.set('RTE_CACHE_LINE_SIZE', 64)