1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # Defines the order of dependencies evaluation
8 'common/cnxk', # depends on bus.
9 'common/mlx5', # depends on bus.
10 'common/qat', # depends on bus.
11 'common/sfc_efx', # depends on bus.
12 'mempool', # depends on common and bus.
13 'dma', # depends on common and bus.
14 'net', # depends on common, bus, mempool
15 'raw', # depends on common, bus, dma and net.
16 'crypto', # depends on common, bus and mempool (net in future).
17 'compress', # depends on common, bus, mempool.
18 'regex', # depends on common, bus, regexdev.
19 'vdpa', # depends on common, bus and mempool.
20 'event', # depends on common, bus, mempool and net.
21 'baseband', # depends on common and bus.
22 'gpu', # depends on common and bus.
25 if meson.is_cross_build()
26 disable_drivers += ',' + meson.get_cross_property('disable_drivers', '')
27 enable_drivers += ',' + meson.get_cross_property('enable_drivers', '')
30 # add cmdline disabled drivers and meson disabled drivers together
31 disable_drivers += ',' + get_option('disable_drivers')
32 disable_drivers = run_command(list_dir_globs, disable_drivers, check: true).stdout().split()
34 # add cmdline enabled drivers and meson enabled drivers together
35 enable_drivers = ',' + get_option('enable_drivers')
36 enable_drivers = run_command(list_dir_globs, enable_drivers, check: true).stdout().split()
37 if enable_drivers.length() == 0
38 enable_drivers = run_command(list_dir_globs, '*/*', check: true).stdout().split()
41 # these drivers must always be enabled, otherwise the build breaks
42 always_enable = ['bus/pci', 'bus/vdev']
43 # we always need a mempool driver, and ring is default, so make it mandatory
44 always_enable += ['mempool/ring']
45 enable_drivers += always_enable
47 default_cflags = machine_args
48 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
49 default_cflags += ['-DALLOW_INTERNAL_API']
51 if cc.has_argument('-Wno-format-truncation')
52 default_cflags += '-Wno-format-truncation'
55 foreach subpath:subdirs
60 # subpath can be either "class" or "class/driver"
61 if subpath.contains('/')
62 driver_path = subpath.split('/')
63 class = driver_path[0]
64 drivers += driver_path[1]
70 # save class name on first occurrence
71 if not dpdk_driver_classes.contains(class)
72 dpdk_driver_classes += class
74 # get already enabled drivers of the same class
75 enabled_drivers = get_variable(class + '_drivers', [])
77 # default log prefix can be defined per class
79 # default log name is pmd.class.driver
80 log_prefix = 'pmd.' + class
84 drv_path = join_paths(class, drv)
86 # set up empty variables used for build
87 build = true # set to false to disable, e.g. missing deps
88 reason = '<unknown reason>' # set if build == false to explain
93 cflags = default_cflags
94 includes = [include_directories(drv_path)]
95 # set up internal deps. Drivers can append/override as necessary
97 # ext_deps: Stores external library dependency got
98 # using dependency() (preferred) or find_library().
99 # For the find_library() case (but not with dependency()) we also
100 # need to specify the "-l" flags in pkgconfig_extra_libs variable
101 # too, so that it can be reflected in the pkgconfig output for
104 pkgconfig_extra_libs = []
107 if not enable_drivers.contains(drv_path)
109 reason = 'not in enabled drivers build config'
110 elif disable_drivers.contains(drv_path)
111 if always_enable.contains(drv_path)
112 message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path))
115 reason = 'explicitly disabled via build config'
120 # pull in driver directory which should update all the local variables
123 # get dependency objs from strings
124 shared_deps = ext_deps
125 static_deps = ext_deps
130 if not is_variable('shared_rte_' + d)
132 reason = 'missing internal dependency, "@0@"'.format(d)
133 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
134 .format(d, name, 'drivers/' + drv_path))
136 shared_deps += [get_variable('shared_rte_' + d)]
137 static_deps += [get_variable('static_rte_' + d)]
143 # some driver directories are placeholders which
144 # are never built, so we allow suppression of the
145 # component disable printout in those cases
147 dpdk_drvs_disabled += drv_path
148 set_variable(drv_path.underscorify() + '_disable_reason', reason)
153 enabled_drivers += name
154 lib_name = '_'.join(['rte', class, name])
155 cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=' + '.'.join([log_prefix, name])
156 dpdk_conf.set(lib_name.to_upper(), 1)
158 dpdk_extra_ldflags += pkgconfig_extra_libs
160 install_headers(headers)
162 # generate pmdinfo sources by building a temporary
163 # lib and then running pmdinfogen on the contents of
164 # that lib. The final lib reuses the object files and
165 # adds in the new source file.
166 out_filename = lib_name + '.pmd.c'
167 tmp_lib = static_library('tmp_' + lib_name, sources,
168 include_directories: includes,
169 dependencies: static_deps,
171 objs += tmp_lib.extract_all_objects(recursive: true)
172 sources = custom_target(out_filename,
173 command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen],
174 output: out_filename,
177 # now build the static driver
178 static_lib = static_library(lib_name,
181 include_directories: includes,
182 dependencies: static_deps,
186 # now build the shared driver
187 version_map = '@0@/@1@/version.map'.format(meson.current_source_dir(), drv_path)
188 implib = 'lib' + lib_name + '.dll.a'
190 def_file = custom_target(lib_name + '_def',
191 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
193 output: '@0@_exports.def'.format(lib_name))
195 mingw_map = custom_target(lib_name + '_mingw',
196 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
198 output: '@0@_mingw.map'.format(lib_name))
200 lk_deps = [version_map, def_file, mingw_map]
203 lk_args = ['-Wl,/def:' + def_file.full_path()]
204 if meson.version().version_compare('<0.54.0')
205 lk_args += ['-Wl,/implib:drivers\\' + implib]
208 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
211 lk_args = ['-Wl,--version-script=' + version_map]
213 # on unix systems check the output of the
214 # check-symbols.sh script, using it as a
215 # dependency of the .so build
216 lk_deps += custom_target(lib_name + '.sym_chk',
217 command: [check_symbols, version_map, '@INPUT@'],
220 output: lib_name + '.sym_chk')
224 shared_lib = shared_library(lib_name, sources,
226 include_directories: includes,
227 dependencies: shared_deps,
230 link_depends: lk_deps,
231 version: abi_version,
232 soversion: so_version,
234 install_dir: driver_install_path)
236 # create a dependency object and add it to the global dictionary so
237 # testpmd or other built-in apps can find it if necessary
238 shared_dep = declare_dependency(link_with: shared_lib,
239 include_directories: includes,
240 dependencies: shared_deps)
241 static_dep = declare_dependency(
242 include_directories: includes,
243 dependencies: static_deps)
245 dpdk_drivers += static_lib
247 set_variable('shared_@0@'.format(lib_name), shared_dep)
248 set_variable('static_@0@'.format(lib_name), static_dep)
249 # for drivers, we only need to add dependency objects for static libs,
250 # shared lib drivers are not linked in
251 dpdk_static_lib_deps += static_dep
253 dependency_name = ''.join(lib_name.split('rte_'))
254 if testpmd_sources.length() != 0
255 testpmd_drivers_sources += testpmd_sources
256 testpmd_drivers_deps += dependency_name
259 message('drivers/@0@: Defining dependency "@1@"'.format(
260 drv_path, dependency_name))
264 set_variable(class + '_drivers', enabled_drivers)