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 alphabetically 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
57 'ipsec', # ipsec lib depends on net, crypto and security
58 'fib', #fib lib depends on rib
59 'port', # pkt framework libs which use other libs from above
60 'pdump', # pdump lib depends on bpf
63 'flow_classify', # flow_classify lib depends on pkt framework table lib
83 opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs'),
84 check: true).stdout().split()
85 foreach l:opt_disabled_libs
86 if not optional_libs.contains(l)
87 warning('Cannot disable mandatory library "@0@"'.format(l))
94 default_cflags = machine_args
95 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
96 default_cflags += ['-DALLOW_INTERNAL_API']
98 if cc.has_argument('-Wno-format-truncation')
99 default_cflags += '-Wno-format-truncation'
102 enabled_libs = [] # used to print summary at the end
106 reason = '<unknown reason>' # set if build == false to explain why
108 use_function_versioning = false
111 indirect_headers = [] # public headers not directly included by apps
112 driver_sdk_headers = [] # public headers included by drivers
114 cflags = default_cflags
115 objs = [] # other object files to link against, used e.g. for
116 # instruction-set optimized versions of code
118 # use "deps" for internal DPDK dependencies, and "ext_deps" for
119 # external package/library requirements
122 # eal is standard dependency once built
123 if dpdk_conf.has('RTE_LIB_EAL')
127 if disabled_libs.contains(l)
129 reason = 'explicitly disabled via build config'
134 warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
138 dpdk_libs_disabled += name
139 set_variable(name.underscorify() + '_disable_reason', reason)
143 shared_deps = ext_deps
144 static_deps = ext_deps
146 if not is_variable('shared_rte_' + d)
147 error('Missing internal dependency "@0@" for @1@ [@2@]'
148 .format(d, name, 'lib/' + l))
150 shared_deps += [get_variable('shared_rte_' + d)]
151 static_deps += [get_variable('static_rte_' + d)]
155 dpdk_conf.set('RTE_LIB_' + name.to_upper(), 1)
156 install_headers(headers)
157 install_headers(indirect_headers)
158 if get_option('enable_driver_sdk')
159 install_headers(driver_sdk_headers)
161 dpdk_chkinc_headers += headers
163 libname = 'rte_' + name
164 includes += include_directories(l)
166 if developer_mode and is_windows and use_function_versioning
167 message('@0@: Function versioning is not supported by Windows.'.format(name))
170 if use_function_versioning
171 cflags += '-DRTE_USE_FUNCTION_VERSIONING'
173 cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=lib.' + l
175 # first build static lib
176 static_lib = static_library(libname,
180 dependencies: static_deps,
181 include_directories: includes,
183 static_dep = declare_dependency(
184 include_directories: includes,
185 dependencies: static_deps)
187 if not use_function_versioning or is_windows
188 # use pre-build objects to build shared lib
190 objs += static_lib.extract_all_objects(recursive: false)
192 # for compat we need to rebuild with
193 # RTE_BUILD_SHARED_LIB defined
194 cflags += '-DRTE_BUILD_SHARED_LIB'
196 version_map = '@0@/@1@/version.map'.format(
197 meson.current_source_dir(), l)
198 implib = 'librte_' + l + '.dll.a'
200 def_file = custom_target(libname + '_def',
201 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
203 output: '@0@_exports.def'.format(libname))
205 mingw_map = custom_target(libname + '_mingw',
206 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
208 output: '@0@_mingw.map'.format(libname))
211 lk_args = ['-Wl,/def:' + def_file.full_path()]
212 if meson.version().version_compare('<0.54.0')
213 lk_args += ['-Wl,/implib:lib\\' + implib]
217 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
219 lk_args = ['-Wl,--version-script=' + version_map]
223 lk_deps = [version_map, def_file, mingw_map]
224 if developer_mode and not is_windows
225 # on unix systems check the output of the
226 # check-symbols.sh script, using it as a
227 # dependency of the .so build
228 lk_deps += custom_target(name + '.sym_chk',
229 command: [check_symbols,
230 version_map, '@INPUT@'],
233 output: name + '.sym_chk')
236 shared_lib = shared_library(libname,
240 dependencies: shared_deps,
241 include_directories: includes,
243 link_depends: lk_deps,
244 version: abi_version,
245 soversion: so_version,
247 shared_dep = declare_dependency(link_with: shared_lib,
248 include_directories: includes,
249 dependencies: shared_deps)
251 dpdk_libraries = [shared_lib] + dpdk_libraries
252 dpdk_static_libraries = [static_lib] + dpdk_static_libraries
254 set_variable('shared_rte_' + name, shared_dep)
255 set_variable('static_rte_' + name, static_dep)
257 message('lib/@0@: Defining dependency "@1@"'.format(l, name))