1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation
4 # set the major version, which might be used by drivers and libraries
5 # depending on the configuration options
6 pver = meson.project_version().split('.')
7 major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
9 pmd_subdir_opt = get_option('drivers_install_subdir')
10 if pmd_subdir_opt.contains('<VERSION>')
11 pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
13 driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
14 eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
16 # set the machine type and cflags for it
17 if meson.is_cross_build()
18 machine = host_machine.cpu()
20 machine = get_option('machine')
23 # machine type 'default' is special, it defaults to the per arch agreed common
24 # minimal baseline needed for DPDK.
25 # That might not be the most optimized, but the most portable version while
26 # still being able to support the CPU features required for DPDK.
27 # This can be bumped up by the DPDK project, but it can never be an
28 # invariant like 'native'
29 if machine == 'default'
30 if host_machine.cpu_family().startswith('x86')
31 # matches the old pre-meson build systems default
33 elif host_machine.cpu_family().startswith('arm')
35 elif host_machine.cpu_family().startswith('aarch')
36 # arm64 manages defaults in config/arm/meson.build
38 elif host_machine.cpu_family().startswith('ppc')
43 dpdk_conf.set('RTE_MACHINE', machine)
46 # ppc64 does not support -march= at all, use -mcpu and -mtune for that
47 if host_machine.cpu_family().startswith('ppc')
48 machine_args += '-mcpu=' + machine
49 machine_args += '-mtune=' + machine
51 machine_args += '-march=' + machine
54 toolchain = cc.get_id()
55 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
56 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
58 dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
60 add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
61 dpdk_extra_ldflags += '-Wl,--no-as-needed'
64 add_project_link_arguments('-pthread', language: 'c')
65 dpdk_extra_ldflags += '-pthread'
67 # some libs depend on maths lib
68 add_project_link_arguments('-lm', language: 'c')
69 dpdk_extra_ldflags += '-lm'
71 # for linux link against dl, for bsd execinfo
72 if host_machine.system() == 'linux'
77 add_project_link_arguments('-l' + link_lib, language: 'c')
78 dpdk_extra_ldflags += '-l' + link_lib
80 # check for libraries used in multiple places in DPDK
82 numa_dep = cc.find_library('numa', required: false)
83 if numa_dep.found() and cc.has_header('numaif.h')
84 dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
86 add_project_link_arguments('-lnuma', language: 'c')
87 dpdk_extra_ldflags += '-lnuma'
91 if host_machine.system() == 'linux'
92 libbsd = dependency('libbsd', required: false)
94 dpdk_conf.set('RTE_USE_LIBBSD', 1)
98 # add -include rte_config to cflags
99 add_project_arguments('-include', 'rte_config.h', language: 'c')
101 # enable extra warnings and disable any unwanted warnings
105 '-Wno-address-of-packed-member'
107 if not dpdk_conf.get('RTE_ARCH_64')
108 # for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
109 warning_flags += '-Wno-pointer-to-int-cast'
111 foreach arg: warning_flags
112 if cc.has_argument(arg)
113 add_project_arguments(arg, language: 'c')
117 # set other values pulled from the build options
118 dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
119 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
120 dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
121 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
122 dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
123 # values which have defaults which may be overridden
124 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
125 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
126 dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
129 compile_time_cpuflags = []
130 if host_machine.cpu_family().startswith('x86')
132 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
134 elif host_machine.cpu_family().startswith('ppc')
135 arch_subdir = 'ppc_64'
138 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
140 # set the install path for the drivers
141 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
143 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
145 # enable VFIO only if it is linux OS
146 dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')