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
54 'ipsec', # ipsec lib depends on net, crypto and security
55 'fib', #fib lib depends on rib
56 'port', # pkt framework libs which use other libs from above
59 'flow_classify', # flow_classify lib depends on pkt framework table lib
81 ] # only supported libraries for windows
91 opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs')).stdout().split()
92 foreach l:opt_disabled_libs
93 if not optional_libs.contains(l)
94 warning('Cannot disable mandatory library "@0@"'.format(l))
101 default_cflags = machine_args
102 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
103 default_cflags += ['-DALLOW_INTERNAL_API']
105 if cc.has_argument('-Wno-format-truncation')
106 default_cflags += '-Wno-format-truncation'
109 enabled_libs = [] # used to print summary at the end
113 reason = '<unknown reason>' # set if build == false to explain why
115 use_function_versioning = false
118 indirect_headers = [] # public headers not directly included by apps
119 driver_sdk_headers = [] # public headers included by drivers
121 cflags = default_cflags
122 objs = [] # other object files to link against, used e.g. for
123 # instruction-set optimized versions of code
125 # use "deps" for internal DPDK dependencies, and "ext_deps" for
126 # external package/library requirements
129 # eal is standard dependency once built
130 if dpdk_conf.has('RTE_LIB_EAL')
134 if disabled_libs.contains(l)
136 reason = 'explicitly disabled via build config'
141 warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
145 dpdk_libs_disabled += name
146 set_variable(name.underscorify() + '_disable_reason', reason)
150 shared_deps = ext_deps
151 static_deps = ext_deps
153 if not is_variable('shared_rte_' + d)
154 error('Missing internal dependency "@0@" for @1@ [@2@]'
155 .format(d, name, 'lib/' + l))
157 shared_deps += [get_variable('shared_rte_' + d)]
158 static_deps += [get_variable('static_rte_' + d)]
162 dpdk_conf.set('RTE_LIB_' + name.to_upper(), 1)
163 install_headers(headers)
164 install_headers(indirect_headers)
165 if get_option('enable_driver_sdk')
166 install_headers(driver_sdk_headers)
168 dpdk_chkinc_headers += headers
170 libname = 'rte_' + name
171 includes += include_directories(l)
173 if is_windows and use_function_versioning
174 message('@0@: Function versioning is not supported by Windows.'.format(name))
177 if use_function_versioning
178 cflags += '-DRTE_USE_FUNCTION_VERSIONING'
181 # first build static lib
182 static_lib = static_library(libname,
186 dependencies: static_deps,
187 include_directories: includes,
189 static_dep = declare_dependency(
190 include_directories: includes,
191 dependencies: static_deps)
193 if not use_function_versioning or is_windows
194 # use pre-build objects to build shared lib
196 objs += static_lib.extract_all_objects(recursive: false)
198 # for compat we need to rebuild with
199 # RTE_BUILD_SHARED_LIB defined
200 cflags += '-DRTE_BUILD_SHARED_LIB'
202 version_map = '@0@/@1@/version.map'.format(
203 meson.current_source_dir(), l)
204 implib = 'librte_' + l + '.dll.a'
206 def_file = custom_target(libname + '_def',
207 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
209 output: '@0@_exports.def'.format(libname))
211 mingw_map = custom_target(libname + '_mingw',
212 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
214 output: '@0@_mingw.map'.format(libname))
217 lk_args = ['-Wl,/def:' + def_file.full_path()]
218 if meson.version().version_compare('<0.54.0')
219 lk_args += ['-Wl,/implib:lib\\' + implib]
223 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
225 lk_args = ['-Wl,--version-script=' + version_map]
229 lk_deps = [version_map, def_file, mingw_map]
231 # on unix systems check the output of the
232 # check-symbols.sh script, using it as a
233 # dependency of the .so build
234 lk_deps += custom_target(name + '.sym_chk',
235 command: [check_symbols,
236 version_map, '@INPUT@'],
239 output: name + '.sym_chk')
242 shared_lib = shared_library(libname,
246 dependencies: shared_deps,
247 include_directories: includes,
249 link_depends: lk_deps,
250 version: abi_version,
251 soversion: so_version,
253 shared_dep = declare_dependency(link_with: shared_lib,
254 include_directories: includes,
255 dependencies: shared_deps)
257 dpdk_libraries = [shared_lib] + dpdk_libraries
258 dpdk_static_libraries = [static_lib] + dpdk_static_libraries
260 set_variable('shared_rte_' + name, shared_dep)
261 set_variable('static_rte_' + name, static_dep)
263 message('lib/@0@: Defining dependency "@1@"'.format(l, name))