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numam-dpdk/lib/meson.build
Bruce Richardson f93a605f2d build: add definitions for use as Meson subproject 
To allow other projects to easily use DPDK as a subproject, add in the
necessary dependency definitions. Slightly different definitions are
necessary for static and shared builds, since for shared builds the
drivers should not be linked in, and the internal meson dependency
objects are more complete.

To use DPDK as a subproject fallback i.e. use installed DPDK if present,
otherwise the shipped one, the following meson statement can be used:

libdpdk = dependency('libdpdk', fallback: ['dpdk', 'dpdk_dep'])

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Ben Magistro <koncept1@gmail.com>
Tested-by: Ben Magistro <koncept1@gmail.com>
2022-06-07 20:49:20 +02:00

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Meson
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# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017-2019 Intel Corporation
# process all libraries equally, as far as possible
# "core" libs first, then others alphabetically as far as possible
# NOTE: for speed of meson runs, the dependencies in the subdirectories
# sometimes skip deps that would be implied by others, e.g. if mempool is
# given as a dep, no need to mention ring. This is especially true for the
# core libs which are widely reused, so their deps are kept to a minimum.
libraries = [
'kvargs', # eal depends on kvargs
'telemetry', # basic info querying
'eal', # everything depends on eal
'ring',
'rcu', # rcu depends on ring
'mempool',
'mbuf',
'net',
'meter',
'ethdev',
'pci', # core
'cmdline',
'metrics', # bitrate/latency stats depends on this
'hash', # efd depends on this
'timer', # eventdev depends on this
'acl',
'bbdev',
'bitratestats',
'bpf',
'cfgfile',
'compressdev',
'cryptodev',
'distributor',
'efd',
'eventdev',
'gpudev',
'gro',
'gso',
'ip_frag',
'jobstats',
'kni',
'latencystats',
'lpm',
'member',
'pcapng',
'power',
'rawdev',
'regexdev',
'dmadev',
'rib',
'reorder',
'sched',
'security',
'stack',
'vhost',
'ipsec', # ipsec lib depends on net, crypto and security
'fib', #fib lib depends on rib
'port', # pkt framework libs which use other libs from above
'pdump', # pdump lib depends on bpf
'table',
'pipeline',
'flow_classify', # flow_classify lib depends on pkt framework table lib
'graph',
'node',
]
optional_libs = [
'bitratestats',
'cfgfile',
'flow_classify',
'gpudev',
'gro',
'gso',
'kni',
'jobstats',
'latencystats',
'metrics',
'node',
'pdump',
'pipeline',
'port',
'power',
'table',
'vhost',
]
disabled_libs = []
opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs'),
check: true).stdout().split()
foreach l:opt_disabled_libs
if not optional_libs.contains(l)
warning('Cannot disable mandatory library "@0@"'.format(l))
continue
endif
disabled_libs += l
endforeach
default_cflags = machine_args
default_cflags += ['-DALLOW_EXPERIMENTAL_API']
default_cflags += ['-DALLOW_INTERNAL_API']
if cc.has_argument('-Wno-format-truncation')
default_cflags += '-Wno-format-truncation'
endif
enabled_libs = [] # used to print summary at the end
foreach l:libraries
build = true
reason = '<unknown reason>' # set if build == false to explain why
name = l
use_function_versioning = false
sources = []
headers = []
indirect_headers = [] # public headers not directly included by apps
driver_sdk_headers = [] # public headers included by drivers
includes = []
cflags = default_cflags
objs = [] # other object files to link against, used e.g. for
# instruction-set optimized versions of code
# use "deps" for internal DPDK dependencies, and "ext_deps" for
# external package/library requirements
ext_deps = []
deps = []
# eal is standard dependency once built
if dpdk_conf.has('RTE_LIB_EAL')
deps += ['eal']
endif
if disabled_libs.contains(l)
build = false
reason = 'explicitly disabled via build config'
else
subdir(l)
endif
if name != l
warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
endif
shared_deps = ext_deps
static_deps = ext_deps
foreach d:deps
if not build
break
endif
if not is_variable('shared_rte_' + d)
build = false
reason = 'missing internal dependency, "@0@"'.format(d)
message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
.format(d, name, 'lib/' + l))
else
shared_deps += [get_variable('shared_rte_' + d)]
static_deps += [get_variable('static_rte_' + d)]
endif
endforeach
if not build
dpdk_libs_disabled += name
set_variable(name.underscorify() + '_disable_reason', reason)
continue
endif
enabled_libs += name
dpdk_conf.set('RTE_LIB_' + name.to_upper(), 1)
install_headers(headers)
install_headers(indirect_headers)
if get_option('enable_driver_sdk')
install_headers(driver_sdk_headers)
endif
dpdk_chkinc_headers += headers
dpdk_chkinc_headers += driver_sdk_headers
libname = 'rte_' + name
includes += include_directories(l)
if developer_mode and is_windows and use_function_versioning
message('@0@: Function versioning is not supported by Windows.'.format(name))
endif
if use_function_versioning
cflags += '-DRTE_USE_FUNCTION_VERSIONING'
endif
cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=lib.' + l
# first build static lib
static_lib = static_library(libname,
sources,
objects: objs,
c_args: cflags,
dependencies: static_deps,
include_directories: includes,
install: true)
static_dep = declare_dependency(
include_directories: includes,
dependencies: static_deps)
if not use_function_versioning or is_windows
# use pre-build objects to build shared lib
sources = []
objs += static_lib.extract_all_objects(recursive: false)
else
# for compat we need to rebuild with
# RTE_BUILD_SHARED_LIB defined
cflags += '-DRTE_BUILD_SHARED_LIB'
endif
version_map = '@0@/@1@/version.map'.format(
meson.current_source_dir(), l)
implib = 'librte_' + l + '.dll.a'
def_file = custom_target(libname + '_def',
command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
input: version_map,
output: '@0@_exports.def'.format(libname))
mingw_map = custom_target(libname + '_mingw',
command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
input: version_map,
output: '@0@_mingw.map'.format(libname))
if is_ms_linker
lk_args = ['-Wl,/def:' + def_file.full_path()]
if meson.version().version_compare('<0.54.0')
lk_args += ['-Wl,/implib:lib\\' + implib]
endif
else
if is_windows
lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
else
lk_args = ['-Wl,--version-script=' + version_map]
endif
endif
lk_deps = [version_map, def_file, mingw_map]
if developer_mode and not is_windows
# on unix systems check the output of the
# check-symbols.sh script, using it as a
# dependency of the .so build
lk_deps += custom_target(name + '.sym_chk',
command: [check_symbols,
version_map, '@INPUT@'],
capture: true,
input: static_lib,
output: name + '.sym_chk')
endif
shared_lib = shared_library(libname,
sources,
objects: objs,
c_args: cflags,
dependencies: shared_deps,
include_directories: includes,
link_args: lk_args,
link_depends: lk_deps,
version: abi_version,
soversion: so_version,
install: true)
shared_dep = declare_dependency(link_with: shared_lib,
include_directories: includes,
dependencies: shared_deps)
dpdk_libraries = [shared_lib] + dpdk_libraries
dpdk_static_libraries = [static_lib] + dpdk_static_libraries
set_variable('shared_rte_' + name, shared_dep)
set_variable('static_rte_' + name, static_dep)
dpdk_shared_lib_deps += shared_dep
dpdk_static_lib_deps += static_dep
if developer_mode
message('lib/@0@: Defining dependency "@1@"'.format(l, name))
endif
endforeach
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