numam-dpdk/drivers/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

145 lines
4.5 KiB
Meson

# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation
# Defines the order in which the drivers are buit.
driver_classes = ['common',
'bus',
'mempool', # depends on common and bus.
'net', # depends on common, bus and mempool.
'crypto', # depends on common, bus and mempool (net in future).
'compress', # depends on common, bus, mempool.
'event', # depends on common, bus, mempool and net.
'raw'] # depends on common, bus, mempool, net and event.
default_cflags = machine_args
if cc.has_argument('-Wno-format-truncation')
default_cflags += '-Wno-format-truncation'
endif
foreach class:driver_classes
drivers = []
std_deps = []
config_flag_fmt = '' # format string used to set the value in dpdk_conf
driver_name_fmt = '' # format string for driver name, used to name
# the library, the dependency and to find the
# version file for linking
subdir(class)
foreach drv:drivers
drv_path = join_paths(class, drv)
# set up empty variables used for build
build = true # set to false to disable, e.g. missing deps
name = drv
version = 1
allow_experimental_apis = false
sources = []
objs = []
cflags = default_cflags
includes = [include_directories(drv_path)]
# set up internal deps. Drivers can append/override as necessary
deps = std_deps
# ext_deps: Stores external library dependency got
# using dependency() or cc.find_library(). For most cases, we
# probably also need to specify the "-l" flags in
# pkgconfig_extra_libs variable too, so that it can be reflected
# in the pkgconfig output for static builds
ext_deps = []
pkgconfig_extra_libs = []
# pull in driver directory which should assign to each of the above
subdir(drv_path)
if build
dpdk_conf.set(config_flag_fmt.format(name.to_upper()),1)
lib_name = driver_name_fmt.format(name)
if allow_experimental_apis
cflags += '-DALLOW_EXPERIMENTAL_API'
endif
# get dependency objs from strings
shared_objs = []
static_objs = []
foreach d:deps
if not is_variable('shared_rte_' + d)
error('Missing dependency ' + d +
' for driver ' + lib_name)
endif
shared_objs += [get_variable('shared_rte_' + d)]
static_objs += [get_variable('static_rte_' + d)]
endforeach
shared_objs += ext_deps
static_objs += ext_deps
dpdk_extra_ldflags += pkgconfig_extra_libs
# generate pmdinfo sources by building a temporary
# lib and then running pmdinfogen on the contents of
# that lib. The final lib reuses the object files and
# adds in the new source file.
out_filename = lib_name + '.pmd.c'
tmp_lib = static_library('tmp_' + lib_name,
sources,
include_directories: includes,
dependencies: static_objs,
c_args: cflags)
objs += tmp_lib.extract_all_objects()
sources = custom_target(out_filename,
command: [pmdinfo, tmp_lib.full_path(),
'@OUTPUT@', pmdinfogen],
output: out_filename,
depends: [pmdinfogen, tmp_lib])
if get_option('per_library_versions')
lib_version = '@0@.1'.format(version)
so_version = '@0@'.format(version)
else
pver = meson.project_version().split('.')
lib_version = '@0@.@1@'.format(pver.get(0),
pver.get(1))
so_version = lib_version
endif
# now build the static driver
static_lib = static_library(lib_name,
sources,
objects: objs,
include_directories: includes,
dependencies: static_objs,
c_args: cflags,
install: true)
# now build the shared driver
version_map = '@0@/@1@/@2@_version.map'.format(
meson.current_source_dir(),
drv_path, lib_name)
shared_lib = shared_library(lib_name,
sources,
objects: objs,
include_directories: includes,
dependencies: shared_objs,
c_args: cflags,
link_args: '-Wl,--version-script=' + version_map,
link_depends: version_map,
version: lib_version,
soversion: so_version,
install: true,
install_dir: driver_install_path)
# create a dependency object and add it to the global dictionary so
# testpmd or other built-in apps can find it if necessary
shared_dep = declare_dependency(link_with: shared_lib,
include_directories: includes,
dependencies: shared_objs)
static_dep = declare_dependency(link_with: static_lib,
include_directories: includes,
dependencies: static_objs)
dpdk_drivers += static_lib
set_variable('shared_@0@'.format(lib_name), shared_dep)
set_variable('static_@0@'.format(lib_name), static_dep)
endif # build
endforeach
endforeach