1# SPDX-License-Identifier: BSD-3-Clause 2# Copyright(c) 2017 Intel Corporation 3 4# set the major version, which might be used by drivers and libraries 5# depending on the configuration options 6pver = meson.project_version().split('.') 7major_version = '@0@.@1@'.format(pver.get(0), pver.get(1)) 8 9# extract all version information into the build configuration 10dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int()) 11dpdk_conf.set('RTE_VER_MONTH', pver.get(1).to_int()) 12if 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()) 17else 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) 23endif 24 25pmd_subdir_opt = get_option('drivers_install_subdir') 26if pmd_subdir_opt.contains('<VERSION>') 27 pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>')) 28endif 29driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt) 30eal_pmd_path = join_paths(get_option('prefix'), driver_install_path) 31 32# set the machine type and cflags for it 33if meson.is_cross_build() 34 machine = host_machine.cpu() 35else 36 machine = get_option('machine') 37endif 38 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' 45if machine == 'default' 46 if host_machine.cpu_family().startswith('x86') 47 # matches the old pre-meson build systems default 48 machine = 'corei7' 49 elif host_machine.cpu_family().startswith('arm') 50 machine = 'armv7-a' 51 elif host_machine.cpu_family().startswith('aarch') 52 # arm64 manages defaults in config/arm/meson.build 53 machine = 'default' 54 elif host_machine.cpu_family().startswith('ppc') 55 machine = 'power8' 56 endif 57endif 58 59dpdk_conf.set('RTE_MACHINE', machine) 60machine_args = [] 61 62# ppc64 does not support -march= at all, use -mcpu and -mtune for that 63if host_machine.cpu_family().startswith('ppc') 64 machine_args += '-mcpu=' + machine 65 machine_args += '-mtune=' + machine 66else 67 machine_args += '-march=' + machine 68endif 69 70toolchain = cc.get_id() 71dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain) 72dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1) 73 74dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8) 75 76add_project_link_arguments('-Wl,--no-as-needed', language: 'c') 77dpdk_extra_ldflags += '-Wl,--no-as-needed' 78 79# use pthreads 80add_project_link_arguments('-pthread', language: 'c') 81dpdk_extra_ldflags += '-pthread' 82 83# some libs depend on maths lib 84add_project_link_arguments('-lm', language: 'c') 85dpdk_extra_ldflags += '-lm' 86 87# for linux link against dl, for bsd execinfo 88if host_machine.system() == 'linux' 89 link_lib = 'dl' 90else 91 link_lib = 'execinfo' 92endif 93add_project_link_arguments('-l' + link_lib, language: 'c') 94dpdk_extra_ldflags += '-l' + link_lib 95 96# check for libraries used in multiple places in DPDK 97has_libnuma = 0 98numa_dep = cc.find_library('numa', required: false) 99if numa_dep.found() and cc.has_header('numaif.h') 100 dpdk_conf.set10('RTE_HAS_LIBNUMA', true) 101 has_libnuma = 1 102 add_project_link_arguments('-lnuma', language: 'c') 103 dpdk_extra_ldflags += '-lnuma' 104endif 105 106# check for strlcpy 107if host_machine.system() == 'linux' 108 libbsd = dependency('libbsd', required: false) 109 if libbsd.found() 110 dpdk_conf.set('RTE_USE_LIBBSD', 1) 111 endif 112endif 113 114# add -include rte_config to cflags 115add_project_arguments('-include', 'rte_config.h', language: 'c') 116 117# enable extra warnings and disable any unwanted warnings 118warning_flags = [ 119 '-Wsign-compare', 120 '-Wcast-qual', 121 '-Wno-address-of-packed-member' 122] 123if 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' 126endif 127foreach arg: warning_flags 128 if cc.has_argument(arg) 129 add_project_arguments(arg, language: 'c') 130 endif 131endforeach 132 133# set other values pulled from the build options 134dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores')) 135dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes')) 136dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports')) 137dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet')) 138dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id')) 139# values which have defaults which may be overridden 140dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64) 141dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64) 142dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true) 143 144 145compile_time_cpuflags = [] 146if host_machine.cpu_family().startswith('x86') 147 arch_subdir = 'x86' 148elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch') 149 arch_subdir = 'arm' 150elif host_machine.cpu_family().startswith('ppc') 151 arch_subdir = 'ppc_64' 152endif 153subdir(arch_subdir) 154dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags)) 155 156# set the install path for the drivers 157dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path) 158 159install_headers('rte_config.h', subdir: get_option('include_subdir_arch')) 160 161# enable VFIO only if it is linux OS 162dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux') 163