1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
5 # process all libraries equally, as far as possible
6 # "core" libs first, then others alphebetically as far as possible
7 # NOTE: for speed of meson runs, the dependencies in the subdirectories
8 # sometimes skip deps that would be implied by others, e.g. if mempool is
9 # given as a dep, no need to mention ring. This is especially true for the
10 # core libs which are widely reused, so their deps are kept to a minimum.
12 'kvargs', # eal depends on kvargs
13 'telemetry', # basic info querying
14 'eal', # everything depends on eal
16 'rcu', # rcu depends on ring
24 'metrics', # bitrate/latency stats depends on this
25 'hash', # efd depends on this
26 'timer', # eventdev depends on this
56 'ipsec', # ipsec lib depends on net, crypto and security
57 'fib', #fib lib depends on rib
58 'port', # pkt framework libs which use other libs from above
59 'pdump', # pdump lib depends on bpf
62 'flow_classify', # flow_classify lib depends on pkt framework table lib
93 ] # only supported libraries for windows
103 opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs'),
104 check: true).stdout().split()
105 foreach l:opt_disabled_libs
106 if not optional_libs.contains(l)
107 warning('Cannot disable mandatory library "@0@"'.format(l))
114 default_cflags = machine_args
115 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
116 default_cflags += ['-DALLOW_INTERNAL_API']
118 if cc.has_argument('-Wno-format-truncation')
119 default_cflags += '-Wno-format-truncation'
122 enabled_libs = [] # used to print summary at the end
126 reason = '<unknown reason>' # set if build == false to explain why
128 use_function_versioning = false
131 indirect_headers = [] # public headers not directly included by apps
132 driver_sdk_headers = [] # public headers included by drivers
134 cflags = default_cflags
135 objs = [] # other object files to link against, used e.g. for
136 # instruction-set optimized versions of code
138 # use "deps" for internal DPDK dependencies, and "ext_deps" for
139 # external package/library requirements
142 # eal is standard dependency once built
143 if dpdk_conf.has('RTE_LIB_EAL')
147 if disabled_libs.contains(l)
149 reason = 'explicitly disabled via build config'
154 warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
158 dpdk_libs_disabled += name
159 set_variable(name.underscorify() + '_disable_reason', reason)
163 shared_deps = ext_deps
164 static_deps = ext_deps
166 if not is_variable('shared_rte_' + d)
167 error('Missing internal dependency "@0@" for @1@ [@2@]'
168 .format(d, name, 'lib/' + l))
170 shared_deps += [get_variable('shared_rte_' + d)]
171 static_deps += [get_variable('static_rte_' + d)]
175 dpdk_conf.set('RTE_LIB_' + name.to_upper(), 1)
176 install_headers(headers)
177 install_headers(indirect_headers)
178 if get_option('enable_driver_sdk')
179 install_headers(driver_sdk_headers)
181 dpdk_chkinc_headers += headers
183 libname = 'rte_' + name
184 includes += include_directories(l)
186 if developer_mode and is_windows and use_function_versioning
187 message('@0@: Function versioning is not supported by Windows.'.format(name))
190 if use_function_versioning
191 cflags += '-DRTE_USE_FUNCTION_VERSIONING'
193 cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=lib.' + l
195 # first build static lib
196 static_lib = static_library(libname,
200 dependencies: static_deps,
201 include_directories: includes,
203 static_dep = declare_dependency(
204 include_directories: includes,
205 dependencies: static_deps)
207 if not use_function_versioning or is_windows
208 # use pre-build objects to build shared lib
210 objs += static_lib.extract_all_objects(recursive: false)
212 # for compat we need to rebuild with
213 # RTE_BUILD_SHARED_LIB defined
214 cflags += '-DRTE_BUILD_SHARED_LIB'
216 version_map = '@0@/@1@/version.map'.format(
217 meson.current_source_dir(), l)
218 implib = 'librte_' + l + '.dll.a'
220 def_file = custom_target(libname + '_def',
221 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
223 output: '@0@_exports.def'.format(libname))
225 mingw_map = custom_target(libname + '_mingw',
226 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
228 output: '@0@_mingw.map'.format(libname))
231 lk_args = ['-Wl,/def:' + def_file.full_path()]
232 if meson.version().version_compare('<0.54.0')
233 lk_args += ['-Wl,/implib:lib\\' + implib]
237 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
239 lk_args = ['-Wl,--version-script=' + version_map]
243 lk_deps = [version_map, def_file, mingw_map]
244 if developer_mode and not is_windows
245 # on unix systems check the output of the
246 # check-symbols.sh script, using it as a
247 # dependency of the .so build
248 lk_deps += custom_target(name + '.sym_chk',
249 command: [check_symbols,
250 version_map, '@INPUT@'],
253 output: name + '.sym_chk')
256 shared_lib = shared_library(libname,
260 dependencies: shared_deps,
261 include_directories: includes,
263 link_depends: lk_deps,
264 version: abi_version,
265 soversion: so_version,
267 shared_dep = declare_dependency(link_with: shared_lib,
268 include_directories: includes,
269 dependencies: shared_deps)
271 dpdk_libraries = [shared_lib] + dpdk_libraries
272 dpdk_static_libraries = [static_lib] + dpdk_static_libraries
274 set_variable('shared_rte_' + name, shared_dep)
275 set_variable('static_rte_' + name, static_dep)
277 message('lib/@0@: Defining dependency "@1@"'.format(l, name))