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 'net', # depends on common, bus, mempool
14 'raw', # depends on common, bus and net.
15 'crypto', # depends on common, bus and mempool (net in future).
16 'compress', # depends on common, bus, mempool.
17 'regex', # depends on common, bus, regexdev.
18 'vdpa', # depends on common, bus and mempool.
19 'event', # depends on common, bus, mempool and net.
20 'baseband', # depends on common and bus.
21 'dma', # depends on common and bus.
24 if meson.is_cross_build()
25 disable_drivers += ',' + meson.get_cross_property('disable_drivers', '')
26 enable_drivers += ',' + meson.get_cross_property('enable_drivers', '')
29 # add cmdline disabled drivers and meson disabled drivers together
30 disable_drivers += ',' + get_option('disable_drivers')
31 disable_drivers = run_command(list_dir_globs, disable_drivers, check: true).stdout().split()
33 # add cmdline enabled drivers and meson enabled drivers together
34 enable_drivers = ',' + get_option('enable_drivers')
35 enable_drivers = run_command(list_dir_globs, enable_drivers, check: true).stdout().split()
36 if enable_drivers.length() == 0
37 enable_drivers = run_command(list_dir_globs, '*/*', check: true).stdout().split()
40 # these drivers must always be enabled, otherwise the build breaks
41 always_enable = ['bus/pci', 'bus/vdev']
42 enable_drivers += always_enable
44 default_cflags = machine_args
45 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
46 default_cflags += ['-DALLOW_INTERNAL_API']
48 if cc.has_argument('-Wno-format-truncation')
49 default_cflags += '-Wno-format-truncation'
52 foreach subpath:subdirs
57 # subpath can be either "class" or "class/driver"
58 if subpath.contains('/')
59 driver_path = subpath.split('/')
60 class = driver_path[0]
61 drivers += driver_path[1]
67 # save class name on first occurrence
68 if not dpdk_driver_classes.contains(class)
69 dpdk_driver_classes += class
71 # get already enabled drivers of the same class
72 enabled_drivers = get_variable(class + '_drivers', [])
74 # default log prefix can be defined per class
76 # default log name is pmd.class.driver
77 log_prefix = 'pmd.' + class
81 drv_path = join_paths(class, drv)
83 # set up empty variables used for build
84 build = true # set to false to disable, e.g. missing deps
85 reason = '<unknown reason>' # set if build == false to explain
90 cflags = default_cflags
91 includes = [include_directories(drv_path)]
92 # set up internal deps. Drivers can append/override as necessary
94 # ext_deps: Stores external library dependency got
95 # using dependency() (preferred) or find_library().
96 # For the find_library() case (but not with dependency()) we also
97 # need to specify the "-l" flags in pkgconfig_extra_libs variable
98 # too, so that it can be reflected in the pkgconfig output for
101 pkgconfig_extra_libs = []
103 if not enable_drivers.contains(drv_path)
105 reason = 'not in enabled drivers build config'
106 elif disable_drivers.contains(drv_path)
107 if always_enable.contains(drv_path)
108 message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path))
111 reason = 'explicitly disabled via build config'
116 # pull in driver directory which should update all the local variables
119 # get dependency objs from strings
120 shared_deps = ext_deps
121 static_deps = ext_deps
126 if not is_variable('shared_rte_' + d)
128 reason = 'missing internal dependency, "@0@"'.format(d)
129 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
130 .format(d, name, 'drivers/' + drv_path))
132 shared_deps += [get_variable('shared_rte_' + d)]
133 static_deps += [get_variable('static_rte_' + d)]
139 # some driver directories are placeholders which
140 # are never built, so we allow suppression of the
141 # component disable printout in those cases
143 dpdk_drvs_disabled += drv_path
144 set_variable(drv_path.underscorify() + '_disable_reason', reason)
149 enabled_drivers += name
150 lib_name = '_'.join(['rte', class, name])
151 cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=' + '.'.join([log_prefix, name])
152 dpdk_conf.set(lib_name.to_upper(), 1)
154 dpdk_extra_ldflags += pkgconfig_extra_libs
156 install_headers(headers)
158 # generate pmdinfo sources by building a temporary
159 # lib and then running pmdinfogen on the contents of
160 # that lib. The final lib reuses the object files and
161 # adds in the new source file.
162 out_filename = lib_name + '.pmd.c'
163 tmp_lib = static_library('tmp_' + lib_name, sources,
164 include_directories: includes,
165 dependencies: static_deps,
167 objs += tmp_lib.extract_all_objects(recursive: true)
168 sources = custom_target(out_filename,
169 command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen],
170 output: out_filename,
173 # now build the static driver
174 static_lib = static_library(lib_name,
177 include_directories: includes,
178 dependencies: static_deps,
182 # now build the shared driver
183 version_map = '@0@/@1@/version.map'.format(meson.current_source_dir(), drv_path)
184 implib = 'lib' + lib_name + '.dll.a'
186 def_file = custom_target(lib_name + '_def',
187 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
189 output: '@0@_exports.def'.format(lib_name))
191 mingw_map = custom_target(lib_name + '_mingw',
192 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
194 output: '@0@_mingw.map'.format(lib_name))
196 lk_deps = [version_map, def_file, mingw_map]
199 lk_args = ['-Wl,/def:' + def_file.full_path()]
200 if meson.version().version_compare('<0.54.0')
201 lk_args += ['-Wl,/implib:drivers\\' + implib]
204 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
207 lk_args = ['-Wl,--version-script=' + version_map]
209 # on unix systems check the output of the
210 # check-symbols.sh script, using it as a
211 # dependency of the .so build
212 lk_deps += custom_target(lib_name + '.sym_chk',
213 command: [check_symbols, version_map, '@INPUT@'],
216 output: lib_name + '.sym_chk')
220 shared_lib = shared_library(lib_name, sources,
222 include_directories: includes,
223 dependencies: shared_deps,
226 link_depends: lk_deps,
227 version: abi_version,
228 soversion: so_version,
230 install_dir: driver_install_path)
232 # create a dependency object and add it to the global dictionary so
233 # testpmd or other built-in apps can find it if necessary
234 shared_dep = declare_dependency(link_with: shared_lib,
235 include_directories: includes,
236 dependencies: shared_deps)
237 static_dep = declare_dependency(
238 include_directories: includes,
239 dependencies: static_deps)
241 dpdk_drivers += static_lib
243 set_variable('shared_@0@'.format(lib_name), shared_dep)
244 set_variable('static_@0@'.format(lib_name), static_dep)
245 dependency_name = ''.join(lib_name.split('rte_'))
247 message('drivers/@0@: Defining dependency "@1@"'.format(
248 drv_path, dependency_name))
252 set_variable(class + '_drivers', enabled_drivers)