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.
23 if meson.is_cross_build()
24 disable_drivers += ',' + meson.get_cross_property('disable_drivers', '')
25 enable_drivers += ',' + meson.get_cross_property('enable_drivers', '')
28 # add cmdline disabled drivers and meson disabled drivers together
29 disable_drivers += ',' + get_option('disable_drivers')
30 disable_drivers = run_command(list_dir_globs, disable_drivers).stdout().split()
32 # add cmdline enabled drivers and meson enabled drivers together
33 enable_drivers = ',' + get_option('enable_drivers')
34 enable_drivers = run_command(list_dir_globs, enable_drivers).stdout().split()
35 if enable_drivers.length() == 0
36 enable_drivers = run_command(list_dir_globs, '*/*').stdout().split()
39 # these drivers must always be enabled, otherwise the build breaks
40 always_enable = ['bus/pci', 'bus/vdev']
41 enable_drivers += always_enable
43 default_cflags = machine_args
44 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
45 default_cflags += ['-DALLOW_INTERNAL_API']
47 if cc.has_argument('-Wno-format-truncation')
48 default_cflags += '-Wno-format-truncation'
51 foreach subpath:subdirs
55 # subpath can be either "class" or "class/driver"
56 if subpath.contains('/')
57 driver_path = subpath.split('/')
58 class = driver_path[0]
59 drivers += driver_path[1]
65 # save class name on first occurrence
66 if not dpdk_driver_classes.contains(class)
67 dpdk_driver_classes += class
69 # get already enabled drivers of the same class
70 enabled_drivers = get_variable(class + '_drivers', [])
73 drv_path = join_paths(class, drv)
75 # set up empty variables used for build
76 build = true # set to false to disable, e.g. missing deps
77 reason = '<unknown reason>' # set if build == false to explain
82 cflags = default_cflags
83 includes = [include_directories(drv_path)]
84 # set up internal deps. Drivers can append/override as necessary
86 # ext_deps: Stores external library dependency got
87 # using dependency() (preferred) or find_library().
88 # For the find_library() case (but not with dependency()) we also
89 # need to specify the "-l" flags in pkgconfig_extra_libs variable
90 # too, so that it can be reflected in the pkgconfig output for
93 pkgconfig_extra_libs = []
95 if not enable_drivers.contains(drv_path)
97 reason = 'not in enabled drivers build config'
98 elif disable_drivers.contains(drv_path)
99 if always_enable.contains(drv_path)
100 message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path))
103 reason = 'explicitly disabled via build config'
106 # pull in driver directory which should update all the local variables
111 # get dependency objs from strings
112 shared_deps = ext_deps
113 static_deps = ext_deps
115 if not is_variable('shared_rte_' + d)
117 reason = 'missing internal dependency, "@0@"'.format(d)
118 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
119 .format(d, name, 'drivers/' + drv_path))
121 shared_deps += [get_variable('shared_rte_' + d)]
122 static_deps += [get_variable('static_rte_' + d)]
128 # some driver directories are placeholders which
129 # are never built, so we allow suppression of the
130 # component disable printout in those cases
132 dpdk_drvs_disabled += drv_path
133 set_variable(drv_path.underscorify() + '_disable_reason', reason)
138 enabled_drivers += name
139 lib_name = '_'.join(['rte', class, name])
140 dpdk_conf.set(lib_name.to_upper(), 1)
142 dpdk_extra_ldflags += pkgconfig_extra_libs
144 install_headers(headers)
146 # generate pmdinfo sources by building a temporary
147 # lib and then running pmdinfogen on the contents of
148 # that lib. The final lib reuses the object files and
149 # adds in the new source file.
150 out_filename = lib_name + '.pmd.c'
151 tmp_lib = static_library('tmp_' + lib_name, sources,
152 include_directories: includes,
153 dependencies: static_deps,
155 objs += tmp_lib.extract_all_objects()
156 sources = custom_target(out_filename,
157 command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen],
158 output: out_filename,
161 # now build the static driver
162 static_lib = static_library(lib_name,
165 include_directories: includes,
166 dependencies: static_deps,
170 # now build the shared driver
171 version_map = '@0@/@1@/version.map'.format(meson.current_source_dir(), drv_path)
172 implib = 'lib' + lib_name + '.dll.a'
174 def_file = custom_target(lib_name + '_def',
175 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
177 output: '@0@_exports.def'.format(lib_name))
179 mingw_map = custom_target(lib_name + '_mingw',
180 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
182 output: '@0@_mingw.map'.format(lib_name))
184 lk_deps = [version_map, def_file, mingw_map]
187 lk_args = ['-Wl,/def:' + def_file.full_path()]
188 if meson.version().version_compare('<0.54.0')
189 lk_args += ['-Wl,/implib:drivers\\' + implib]
192 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
195 lk_args = ['-Wl,--version-script=' + version_map]
197 # on unix systems check the output of the
198 # check-symbols.sh script, using it as a
199 # dependency of the .so build
200 lk_deps += custom_target(lib_name + '.sym_chk',
201 command: [check_symbols, version_map, '@INPUT@'],
204 output: lib_name + '.sym_chk')
208 shared_lib = shared_library(lib_name, sources,
210 include_directories: includes,
211 dependencies: shared_deps,
214 link_depends: lk_deps,
215 version: abi_version,
216 soversion: so_version,
218 install_dir: driver_install_path)
220 # create a dependency object and add it to the global dictionary so
221 # testpmd or other built-in apps can find it if necessary
222 shared_dep = declare_dependency(link_with: shared_lib,
223 include_directories: includes,
224 dependencies: shared_deps)
225 static_dep = declare_dependency(
226 include_directories: includes,
227 dependencies: static_deps)
229 dpdk_drivers += static_lib
231 set_variable('shared_@0@'.format(lib_name), shared_dep)
232 set_variable('static_@0@'.format(lib_name), static_dep)
233 dependency_name = ''.join(lib_name.split('rte_'))
235 message('drivers/@0@: Defining dependency "@1@"'.format(
236 drv_path, dependency_name))
240 set_variable(class + '_drivers', enabled_drivers)