-# 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.
-
-driver_classes = ['bus']
-
-foreach class:driver_classes
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2019 Intel Corporation
+
+if is_windows
+ subdir_done()
+endif
+
+# Defines the order in which the drivers are buit.
+dpdk_driver_classes = ['common',
+ 'bus',
+ 'mempool', # depends on common and bus.
+ 'raw', # depends on common and bus.
+ 'net', # depends on common, bus, mempool and raw.
+ 'crypto', # depends on common, bus and mempool (net in future).
+ 'compress', # depends on common, bus, mempool.
+ 'event', # depends on common, bus, mempool and net.
+ 'baseband'] # depends on common and bus.
+
+disabled_drivers = get_option('disable_drivers').split(',')
+
+default_cflags = machine_args
+if cc.has_argument('-Wno-format-truncation')
+ default_cflags += '-Wno-format-truncation'
+endif
+
+foreach class:dpdk_driver_classes
drivers = []
std_deps = []
config_flag_fmt = '' # format string used to set the value in dpdk_conf
# version file for linking
subdir(class)
+ class_drivers = []
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
- version = 1
+ reason = '<unknown reason>' # set if build == false to explain
+ name = drv
allow_experimental_apis = false
sources = []
objs = []
- cflags = []
+ 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
+ # using dependency() (preferred) or find_library().
+ # For the find_library() case (but not with dependency()) we 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)
+ # skip disabled drivers. For meson 0.49 change this to use
+ # "in" keyword
+ foreach disable_path: disabled_drivers
+ if drv_path == disable_path
+ build = false
+ reason = 'Explicitly disabled via build config'
+ endif
+ endforeach
if build
- dpdk_conf.set(config_flag_fmt.format(drv.to_upper()),1)
+ # get dependency objs from strings
+ shared_deps = ext_deps
+ static_deps = ext_deps
+ foreach d:deps
+ 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, 'drivers/' + drv_path))
+ else
+ shared_deps += [get_variable('shared_rte_' + d)]
+ static_deps += [get_variable('static_rte_' + d)]
+ endif
+ endforeach
+ endif
+
+ if not build
+ # some driver directories are placeholders which
+ # are never built, so we allow suppression of the
+ # component disable printout in those cases
+ if reason != ''
+ dpdk_drvs_disabled += drv_path
+ set_variable(drv_path.underscorify() +
+ '_disable_reason', reason)
+ endif
+ else
+ class_drivers += name
+
+ 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
- dep_objs = []
- foreach d:deps
- dep_objs += [get_variable('dep_rte_' + d)]
- endforeach
- dep_objs += ext_deps
dpdk_extra_ldflags += pkgconfig_extra_libs
- # generate pmdinfo sources
- pmdinfogen_srcs = run_command('grep', '--files-with-matches',
- 'RTE_PMD_REGISTER_.*(.*)', sources).stdout().strip().split()
- foreach src: pmdinfogen_srcs
- out_filename = '@0@.pmd.c'.format(src.split('/')[-1])
- tmp_lib = static_library('tmp_@0@'.format(src.underscorify()),
- src, include_directories: includes,
- dependencies: dep_objs,
+ # 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_deps,
c_args: cflags)
- sources += custom_target(out_filename,
- command: [pmdinfo, tmp_lib.full_path(),
- '@OUTPUT@', pmdinfogen],
- output: out_filename,
- depends: [pmdinfogen, tmp_lib])
- endforeach
+ 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])
+
+ version_map = '@0@/@1@/@2@_version.map'.format(
+ meson.current_source_dir(),
+ drv_path, lib_name)
+
+ is_experimental = run_command(is_experimental_cmd,
+ files(version_map)).returncode()
+
+ if is_experimental != 0
+ lib_version = experimental_abi_version
+ so_version = experimental_abi_version
+ else
+ lib_version = abi_version
+ so_version = abi_version
+ endif
+
+ # now build the static driver
+ static_lib = static_library(lib_name,
+ sources,
+ objects: objs,
+ include_directories: includes,
+ dependencies: static_deps,
+ c_args: cflags,
+ install: true)
- # now build the driver itself, and add to the drivers list
- drv_name = driver_name_fmt.format(drv)
+ # now build the shared driver
version_map = '@0@/@1@/@2@_version.map'.format(
meson.current_source_dir(),
- drv_path, drv_name)
- lib = library(drv_name,
+ drv_path, lib_name)
+ implib = dir_name + '.dll.a'
+
+ def_file = custom_target(lib_name + '_def',
+ command: [map_to_def_cmd, '@INPUT@', '@OUTPUT@'],
+ input: version_map,
+ output: '@0@_exports.def'.format(lib_name))
+ lk_deps = [version_map, def_file]
+ if is_windows
+ lk_args = ['-Wl,/def:' + def_file.full_path(),
+ '-Wl,/implib:lib\\' + implib]
+ else
+ lk_args = ['-Wl,--version-script=' + version_map]
+ # on unix systems check the output of the
+ # experimental syms script, using it as a
+ # dependency of the .so build
+ lk_deps += custom_target(lib_name + '.exp_chk',
+ command: [check_experimental_syms,
+ version_map, '@INPUT@'],
+ capture: true,
+ input: static_lib,
+ output: lib_name + '.exp_chk')
+ endif
+
+ shared_lib = shared_library(lib_name,
sources,
objects: objs,
include_directories: includes,
- dependencies: dep_objs,
+ dependencies: shared_deps,
c_args: cflags,
- link_args: '-Wl,--version-script=' + version_map,
- link_depends: version_map,
- version: '@0@.1'.format(version),
+ link_args: lk_args,
+ link_depends: lk_deps,
+ version: lib_version,
+ soversion: so_version,
install: true,
install_dir: driver_install_path)
- dpdk_drivers += lib
-
# create a dependency object and add it to the global dictionary so
# testpmd or other built-in apps can find it if necessary
- set_variable('dep_@0@'.format(drv_name),
- declare_dependency(link_with: lib,
+ shared_dep = declare_dependency(link_with: shared_lib,
include_directories: includes,
- dependencies: dep_objs))
+ dependencies: shared_deps)
+ static_dep = declare_dependency(link_with: static_lib,
+ include_directories: includes,
+ dependencies: static_deps)
+
+ dpdk_drivers += static_lib
+
+ set_variable('shared_@0@'.format(lib_name), shared_dep)
+ set_variable('static_@0@'.format(lib_name), static_dep)
+ dependency_name = ''.join(lib_name.split('rte_'))
+ message('drivers/@0@: Defining dependency "@1@"'.format(
+ drv_path, dependency_name))
endif # build
endforeach
+
+ set_variable(class + '_drivers', class_drivers)
endforeach