1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation
4 # set the machine type and cflags for it
5 if meson.is_cross_build()
6 machine = host_machine.cpu()
8 machine = get_option('machine')
10 dpdk_conf.set('RTE_MACHINE', machine)
12 machine_args += '-march=' + machine
14 toolchain = cc.get_id()
15 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
16 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
19 add_project_link_arguments('-pthread', language: 'c')
20 dpdk_extra_ldflags += '-pthread'
22 # some libs depend on maths lib
23 add_project_link_arguments('-lm', language: 'c')
24 dpdk_extra_ldflags += '-lm'
26 # for linux link against dl, for bsd execinfo
27 if host_machine.system() == 'linux'
32 add_project_link_arguments('-l' + link_lib, language: 'c')
33 dpdk_extra_ldflags += '-l' + link_lib
35 # check for libraries used in multiple places in DPDK
37 numa_dep = cc.find_library('numa', required: false)
38 if numa_dep.found() and cc.has_header('numaif.h')
39 dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
41 add_project_link_arguments('-lnuma', language: 'c')
42 dpdk_extra_ldflags += '-lnuma'
46 if host_machine.system() == 'linux' and cc.find_library('bsd', required: false).found()
47 dpdk_conf.set('RTE_USE_LIBBSD', 1)
48 add_project_link_arguments('-lbsd', language: 'c')
49 dpdk_extra_ldflags += '-lbsd'
52 # add -include rte_config to cflags
53 add_project_arguments('-include', 'rte_config.h', language: 'c')
55 # enable extra warnings and disable any unwanted warnings
59 '-Wno-address-of-packed-member',
60 '-Wno-format-truncation'
62 foreach arg: warning_flags
63 if cc.has_argument(arg)
64 add_project_arguments(arg, language: 'c')
68 # set other values pulled from the build options
69 dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
70 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
71 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
72 dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
73 # values which have defaults which may be overridden
74 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
76 compile_time_cpuflags = []
77 if host_machine.cpu_family().startswith('x86')
79 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
83 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
85 # set the install path for the drivers
86 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
88 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))