numam-dpdk/lib/meson.build
Bruce Richardson 3e3eeb4d5f build: remove duplicate checks for cflags
There is no need to check for each library, driver and example whether
certain cflags are supported. Instead of checking inside the loop, do
so outside and reuse the value.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2018-07-26 10:09:20 +02:00

135 lines
4.1 KiB
Meson

# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation
# process all libraries equally, as far as possible
# "core" libs first, then others alphebetically 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 = [ 'compat', # just a header, used for versioning
'kvargs',
'eal', 'ring', 'mempool', 'mbuf', 'net', 'ethdev', 'pci', # core
'metrics', # bitrate/latency stats depends on this
'hash', # efd depends on this
'timer', # eventdev depends on this
'acl', 'bbdev', 'bitratestats', 'cfgfile',
'cmdline', 'compressdev', 'cryptodev',
'distributor', 'efd', 'eventdev',
'gro', 'gso', 'ip_frag', 'jobstats',
'kni', 'latencystats', 'lpm', 'member',
'meter', 'power', 'pdump', 'rawdev',
'reorder', 'sched', 'security', 'vhost',
# add pkt framework libs which use other libs from above
'port', 'table', 'pipeline',
# flow_classify lib depends on pkt framework table lib
'flow_classify', 'bpf']
default_cflags = machine_args
if cc.has_argument('-Wno-format-truncation')
default_cflags += '-Wno-format-truncation'
endif
foreach l:libraries
build = true
name = l
version = 1
allow_experimental_apis = false
sources = []
headers = []
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'] # eal is standard dependency except for itself
if l == 'kvargs'
deps = []
endif
if l == 'eal'
deps = ['kvargs']
endif
dir_name = 'librte_' + l
subdir(dir_name)
if build
dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
install_headers(headers)
libname = 'rte_' + name
includes += include_directories(dir_name)
if sources.length() == 0
# if no C files, just set a dependency on header path
shared_dep = declare_dependency(include_directories: includes)
static_dep = shared_dep
else
shared_deps = ext_deps
static_deps = ext_deps
foreach d:deps
if not is_variable('shared_rte_' + d)
error('Missing dependency ' + d +
' for library ' + lib_name)
endif
shared_deps += [get_variable('shared_rte_' + d)]
static_deps += [get_variable('static_rte_' + d)]
endforeach
if allow_experimental_apis
cflags += '-DALLOW_EXPERIMENTAL_API'
endif
if get_option('per_library_versions')
lib_version = '@0@.1'.format(version)
so_version = '@0@'.format(version)
else
prj_ver = meson.project_version().split('.')
lib_version = '@0@.@1@'.format(
prj_ver.get(0), prj_ver.get(1))
so_version = lib_version
endif
# 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(link_with: static_lib,
include_directories: includes,
dependencies: static_deps)
# then use pre-build objects to build shared lib
sources = []
objs += static_lib.extract_all_objects(recursive: false)
version_map = '@0@/@1@/rte_@2@_version.map'.format(
meson.current_source_dir(), dir_name, name)
shared_lib = shared_library(libname,
sources,
objects: objs,
c_args: cflags,
dependencies: shared_deps,
include_directories: includes,
link_args: '-Wl,--version-script=' + version_map,
link_depends: version_map,
version: lib_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
endif # sources.length() > 0
set_variable('shared_' + libname, shared_dep)
set_variable('static_' + libname, static_dep)
endif # if build
endforeach