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 # extract all version information into the build configuration
10 dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
11 dpdk_conf.set('RTE_VER_MONTH', pver.get(1).to_int())
12 if pver.get(2).contains('-rc')
13 rc_ver = pver.get(2).split('-rc')
14 dpdk_conf.set('RTE_VER_MINOR', rc_ver.get(0).to_int())
15 dpdk_conf.set_quoted('RTE_VER_SUFFIX', '-rc')
16 dpdk_conf.set('RTE_VER_RELEASE', rc_ver.get(1).to_int())
18 dpdk_conf.set('RTE_VER_MINOR', pver.get(2).to_int())
19 dpdk_conf.set_quoted('RTE_VER_SUFFIX', '')
20 # for actual, non-rc releases, set the release value to 99 to ensure releases
21 # have higher version numbers than their respective release candidates
22 dpdk_conf.set('RTE_VER_RELEASE', 99)
25 pmd_subdir_opt = get_option('drivers_install_subdir')
26 if pmd_subdir_opt.contains('<VERSION>')
27 pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
29 driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
30 eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
32 # set the machine type and cflags for it
33 if meson.is_cross_build()
34 machine = host_machine.cpu()
36 machine = get_option('machine')
39 # machine type 'default' is special, it defaults to the per arch agreed common
40 # minimal baseline needed for DPDK.
41 # That might not be the most optimized, but the most portable version while
42 # still being able to support the CPU features required for DPDK.
43 # This can be bumped up by the DPDK project, but it can never be an
44 # invariant like 'native'
45 if machine == 'default'
46 if host_machine.cpu_family().startswith('x86')
47 # matches the old pre-meson build systems default
49 elif host_machine.cpu_family().startswith('arm')
51 elif host_machine.cpu_family().startswith('aarch')
52 # arm64 manages defaults in config/arm/meson.build
54 elif host_machine.cpu_family().startswith('ppc')
59 dpdk_conf.set('RTE_MACHINE', machine)
62 # ppc64 does not support -march= at all, use -mcpu and -mtune for that
63 if host_machine.cpu_family().startswith('ppc')
64 machine_args += '-mcpu=' + machine
65 machine_args += '-mtune=' + machine
67 machine_args += '-march=' + machine
70 toolchain = cc.get_id()
71 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
72 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
74 dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
76 add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
77 dpdk_extra_ldflags += '-Wl,--no-as-needed'
80 add_project_link_arguments('-pthread', language: 'c')
81 dpdk_extra_ldflags += '-pthread'
83 # some libs depend on maths lib
84 add_project_link_arguments('-lm', language: 'c')
85 dpdk_extra_ldflags += '-lm'
87 # for linux link against dl, for bsd execinfo
88 if host_machine.system() == 'linux'
93 add_project_link_arguments('-l' + link_lib, language: 'c')
94 dpdk_extra_ldflags += '-l' + link_lib
96 # check for libraries used in multiple places in DPDK
98 numa_dep = cc.find_library('numa', required: false)
99 if numa_dep.found() and cc.has_header('numaif.h')
100 dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
102 add_project_link_arguments('-lnuma', language: 'c')
103 dpdk_extra_ldflags += '-lnuma'
107 if host_machine.system() == 'linux'
108 libbsd = dependency('libbsd', required: false)
110 dpdk_conf.set('RTE_USE_LIBBSD', 1)
114 # add -include rte_config to cflags
115 add_project_arguments('-include', 'rte_config.h', language: 'c')
117 # enable extra warnings and disable any unwanted warnings
121 '-Wno-address-of-packed-member'
123 if not dpdk_conf.get('RTE_ARCH_64')
124 # for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
125 warning_flags += '-Wno-pointer-to-int-cast'
127 foreach arg: warning_flags
128 if cc.has_argument(arg)
129 add_project_arguments(arg, language: 'c')
133 # set other values pulled from the build options
134 dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
135 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
136 dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
137 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
138 dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
139 # values which have defaults which may be overridden
140 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
141 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
142 dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
145 compile_time_cpuflags = []
146 if host_machine.cpu_family().startswith('x86')
148 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
150 elif host_machine.cpu_family().startswith('ppc')
151 arch_subdir = 'ppc_64'
154 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
156 # set the install path for the drivers
157 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
159 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
161 # enable VFIO only if it is linux OS
162 dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')