-# BSD LICENSE
-#
-# Copyright(c) 2017 Intel Corporation.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2019 Intel Corporation
+
+# check the OS is supported, rather than going any further
+supported_exec_envs = ['freebsd', 'linux', 'windows']
+exec_env = host_machine.system()
+if not supported_exec_envs.contains(exec_env)
+ error('unsupported system type "@0@"'.format(exec_env))
+endif
+
+# define a handy variable for checking which OS we have.
+# gives us "is_windows", "is_freebsd" and "is_linux"
+foreach env:supported_exec_envs
+ set_variable('is_' + env, exec_env == env)
+endforeach
+
+# set the major version, which might be used by drivers and libraries
+# depending on the configuration options
+pver = meson.project_version().split('.')
+major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
+abi_version = run_command(find_program('cat', 'more'),
+ files('../ABI_VERSION')).stdout().strip()
+# experimental libraries are versioned as 0.majorminor versions, e.g. 0.201
+ever = abi_version.split('.')
+experimental_abi_version = '0.@0@@1@'.format(ever.get(0), ever.get(1))
+
+# extract all version information into the build configuration
+dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
+dpdk_conf.set('RTE_VER_MONTH', pver.get(1).to_int())
+if pver.get(2).contains('-rc')
+ rc_ver = pver.get(2).split('-rc')
+ dpdk_conf.set('RTE_VER_MINOR', rc_ver.get(0).to_int())
+ dpdk_conf.set_quoted('RTE_VER_SUFFIX', '-rc')
+ dpdk_conf.set('RTE_VER_RELEASE', rc_ver.get(1).to_int())
+else
+ dpdk_conf.set('RTE_VER_MINOR', pver.get(2).to_int())
+ dpdk_conf.set_quoted('RTE_VER_SUFFIX', '')
+# for actual, non-rc releases, set the release value to 99 to ensure releases
+# have higher version numbers than their respective release candidates
+ dpdk_conf.set('RTE_VER_RELEASE', 99)
+endif
+
+pmd_subdir_opt = get_option('drivers_install_subdir')
+if pmd_subdir_opt.contains('<VERSION>')
+ pmd_subdir_opt = abi_version.join(pmd_subdir_opt.split('<VERSION>'))
+endif
+driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
+eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
+
+# driver .so files often depend upon the bus drivers for their connect bus,
+# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
+# to be in the library path, so symlink the drivers from the main lib directory.
+meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
+ get_option('libdir'),
+ pmd_subdir_opt)
# set the machine type and cflags for it
-machine = get_option('machine')
+if meson.is_cross_build()
+ machine = host_machine.cpu()
+else
+ machine = get_option('machine')
+endif
+
+# machine type 'default' is special, it defaults to the per arch agreed common
+# minimal baseline needed for DPDK.
+# That might not be the most optimized, but the most portable version while
+# still being able to support the CPU features required for DPDK.
+# This can be bumped up by the DPDK project, but it can never be an
+# invariant like 'native'
+if machine == 'default'
+ if host_machine.cpu_family().startswith('x86')
+ # matches the old pre-meson build systems default
+ machine = 'corei7'
+ elif host_machine.cpu_family().startswith('arm')
+ machine = 'armv7-a'
+ elif host_machine.cpu_family().startswith('aarch')
+ # arm64 manages defaults in config/arm/meson.build
+ machine = 'default'
+ elif host_machine.cpu_family().startswith('ppc')
+ machine = 'power8'
+ endif
+endif
+
dpdk_conf.set('RTE_MACHINE', machine)
-add_project_arguments('-march=@0@'.format(machine), language: 'c')
-# some libs depend on maths lib
-add_project_link_arguments('-lm', language: 'c')
+machine_args = []
+
+# ppc64 does not support -march= at all, use -mcpu and -mtune for that
+if host_machine.cpu_family().startswith('ppc')
+ machine_args += '-mcpu=' + machine
+ machine_args += '-mtune=' + machine
+else
+ machine_args += '-march=' + machine
+endif
+
+toolchain = cc.get_id()
+dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
+dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
+
+dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
+
+add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+
+# use pthreads
+add_project_link_arguments('-pthread', language: 'c')
+dpdk_extra_ldflags += '-pthread'
+
+# on some OS, maths functions are in a separate library
+if cc.find_library('libm', required : false).found()
+ # some libs depend on maths lib
+ add_project_link_arguments('-lm', language: 'c')
+ dpdk_extra_ldflags += '-lm'
+endif
+
+# for linux link against dl, for bsd execinfo
+if is_linux
+ link_lib = 'dl'
+elif is_freebsd
+ link_lib = 'execinfo'
+else
+ link_lib = ''
+endif
+
+# if link_lib is empty, do not add it to project properties
+if link_lib != ''
+ add_project_link_arguments('-l' + link_lib, language: 'c')
+ dpdk_extra_ldflags += '-l' + link_lib
+endif
+
+# 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
+
+# check for libbsd
+libbsd = dependency('libbsd', required: false)
+if libbsd.found()
+ dpdk_conf.set('RTE_USE_LIBBSD', 1)
+endif
+
+# check for pcap
+pcap_dep = dependency('pcap', required: false)
+if pcap_dep.found()
+ # pcap got a pkg-config file only in 1.9.0 and before that meson uses
+ # an internal pcap-config finder, which is not compatible with
+ # cross-compilation, so try to fallback to find_library
+ pcap_dep = cc.find_library('pcap', required: false)
+endif
+if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep)
+ dpdk_conf.set('RTE_PORT_PCAP', 1)
+ dpdk_extra_ldflags += '-lpcap'
+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',
+ # -Wall is added by meson by default, so add -Wextra only
+ '-Wextra',
+
+ # additional warnings in alphabetical order
'-Wcast-qual',
+ '-Wdeprecated',
+ '-Wformat-nonliteral',
+ '-Wformat-security',
+ '-Wmissing-declarations',
+ '-Wmissing-prototypes',
+ '-Wnested-externs',
+ '-Wold-style-definition',
+ '-Wpointer-arith',
+ '-Wsign-compare',
+ '-Wstrict-prototypes',
+ '-Wundef',
+ '-Wwrite-strings',
+
+ # globally disabled warnings
'-Wno-address-of-packed-member',
- '-Wno-format-truncation'
+ '-Wno-packed-not-aligned',
+ '-Wno-missing-field-initializers'
]
+if not dpdk_conf.get('RTE_ARCH_64')
+# for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
+ warning_flags += '-Wno-pointer-to-int-cast'
+endif
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_MAX_ETHPORTS', get_option('max_ethports'))
+dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
+# values which have defaults which may be overridden
+dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
+dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
+dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
+
+
compile_time_cpuflags = []
if host_machine.cpu_family().startswith('x86')
arch_subdir = 'x86'
- subdir(arch_subdir)
+elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
+ arch_subdir = 'arm'
+elif host_machine.cpu_family().startswith('ppc')
+ arch_subdir = 'ppc_64'
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)
-# 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)
+install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
-install_headers('rte_config.h')
+# enable VFIO only if it is linux OS
+dpdk_conf.set('RTE_EAL_VFIO', is_linux)
+
+# specify -D_GNU_SOURCE unconditionally
+add_project_arguments('-D_GNU_SOURCE', language: 'c')
+
+# specify -D__BSD_VISIBLE for FreeBSD
+if is_freebsd
+ add_project_arguments('-D__BSD_VISIBLE', language: 'c')
+endif
+
+if get_option('b_lto')
+ if cc.has_argument('-ffat-lto-objects')
+ add_project_arguments('-ffat-lto-objects', language: 'c')
+ else
+ error('compiler does not support fat LTO objects - please turn LTO off')
+ endif
+ # workaround for gcc bug 81440
+ if cc.get_id() == 'gcc' and cc.version().version_compare('<8.0')
+ add_project_arguments('-Wno-lto-type-mismatch', language: 'c')
+ add_project_link_arguments('-Wno-lto-type-mismatch', language: 'c')
+ endif
+endif
git.droids-corp.org / dpdk.git / blobdiff