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# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation
# set the machine type and cflags for it
if meson.is_cross_build()
machine = host_machine.cpu()
else
machine = get_option('machine')
endif
dpdk_conf.set('RTE_MACHINE', machine)
machine_args = []
machine_args += '-march=' + machine
# use pthreads
add_project_link_arguments('-pthread', language: 'c')
dpdk_extra_ldflags += '-pthread'
# some libs depend on maths lib
add_project_link_arguments('-lm', language: 'c')
dpdk_extra_ldflags += '-lm'
# for linux link against dl, for bsd execinfo
if host_machine.system() == 'linux'
link_lib = 'dl'
else
link_lib = 'execinfo'
endif
add_project_link_arguments('-l' + link_lib, language: 'c')
dpdk_extra_ldflags += '-l' + link_lib
# check for libraries used in multiple places in DPDK
has_libnuma = 0
numa_dep = cc.find_library('numa', required: false)
if numa_dep.found() and cc.has_header('numaif.h')
dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
has_libnuma = 1
add_project_link_arguments('-lnuma', language: 'c')
dpdk_extra_ldflags += '-lnuma'
endif
# add -include rte_config to cflags
add_project_arguments('-include', 'rte_config.h', language: 'c')
# enable extra warnings and disable any unwanted warnings
warning_flags = [
'-Wsign-compare',
'-Wcast-qual',
'-Wno-address-of-packed-member',
'-Wno-format-truncation'
]
foreach arg: warning_flags
if cc.has_argument(arg)
add_project_arguments(arg, language: 'c')
endif
endforeach
# set other values pulled from the build options
dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
# values which have defaults which may be overridden
dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
arch_subdir = 'arm'
endif
subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
# set the install path for the drivers
dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
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