1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
4 # Defines the order of dependencies evaluation
8 'common/mlx5', # depends on bus.
9 'common/qat', # depends on bus.
10 'mempool', # depends on common and bus.
11 'net', # depends on common, bus, mempool
12 'raw', # depends on common, bus and net.
13 'crypto', # depends on common, bus and mempool (net in future).
14 'compress', # depends on common, bus, mempool.
15 'regex', # depends on common, bus, regexdev.
16 'vdpa', # depends on common, bus and mempool.
17 'event', # depends on common, bus, mempool and net.
18 'baseband', # depends on common and bus.
21 disabled_drivers = run_command(list_dir_globs, get_option('disable_drivers'),
24 default_cflags = machine_args
25 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
26 default_cflags += ['-DALLOW_INTERNAL_API']
28 if cc.has_argument('-Wno-format-truncation')
29 default_cflags += '-Wno-format-truncation'
32 foreach subpath:subdirs
35 config_flag_fmt = '' # format string used to set the value in dpdk_conf
36 driver_name_fmt = '' # format string for driver name, used to name
37 # the library, the dependency and to find the
38 # version file for linking
40 # subpath can be either "class" or "class/driver"
41 if subpath.contains('/')
42 driver_path = subpath.split('/')
43 class = driver_path[0]
44 drivers += driver_path[1]
50 # save class name on first occurrence
51 if not dpdk_driver_classes.contains(class)
52 dpdk_driver_classes += class
54 # get already enabled drivers of the same class
55 enabled_drivers = get_variable(class + '_drivers', [])
58 drv_path = join_paths(class, drv)
60 # set up empty variables used for build
61 build = true # set to false to disable, e.g. missing deps
62 reason = '<unknown reason>' # set if build == false to explain
67 cflags = default_cflags
68 includes = [include_directories(drv_path)]
69 # set up internal deps. Drivers can append/override as necessary
71 # ext_deps: Stores external library dependency got
72 # using dependency() (preferred) or find_library().
73 # For the find_library() case (but not with dependency()) we also
74 # need to specify the "-l" flags in pkgconfig_extra_libs variable
75 # too, so that it can be reflected in the pkgconfig output for
78 pkgconfig_extra_libs = []
80 if disabled_drivers.contains(drv_path)
82 reason = 'Explicitly disabled via build config'
84 # pull in driver directory which should update all the local variables
89 # get dependency objs from strings
90 shared_deps = ext_deps
91 static_deps = ext_deps
93 if not is_variable('shared_rte_' + d)
95 reason = 'Missing internal dependency, "@0@"'.format(d)
96 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
97 .format(d, name, 'drivers/' + drv_path))
99 shared_deps += [get_variable('shared_rte_' + d)]
100 static_deps += [get_variable('static_rte_' + d)]
106 # some driver directories are placeholders which
107 # are never built, so we allow suppression of the
108 # component disable printout in those cases
110 dpdk_drvs_disabled += drv_path
111 set_variable(drv_path.underscorify() +
112 '_disable_reason', reason)
115 enabled_drivers += name
120 dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
121 # for driver compatibility, since we changed the
122 # default to match that of make. Remove in future release
123 # after following deprecation process
124 if config_flag_fmt.contains('_PMD_@0@') and (class == 'crypto'
125 or class == 'compress'
127 alt_flag_fmt = '_@0@_PMD'.join(
128 config_flag_fmt.split('_PMD_@0@'))
129 if config_flag_fmt.contains('EVENTDEV')
130 alt_flag_fmt = '_@0@_EVENTDEV_PMD'.join(
131 config_flag_fmt.split('_PMD_@0@_EVENTDEV'))
133 dpdk_conf.set(alt_flag_fmt.format(
134 fmt_name.to_upper()), 1)
136 lib_name = driver_name_fmt.format(fmt_name)
138 dpdk_extra_ldflags += pkgconfig_extra_libs
140 # generate pmdinfo sources by building a temporary
141 # lib and then running pmdinfogen on the contents of
142 # that lib. The final lib reuses the object files and
143 # adds in the new source file.
145 out_filename = lib_name + '.pmd.c'
146 tmp_lib = static_library('tmp_' + lib_name,
148 include_directories: includes,
149 dependencies: static_deps,
151 objs += tmp_lib.extract_all_objects()
152 sources = custom_target(out_filename,
153 command: [pmdinfo, tmp_lib.full_path(),
154 '@OUTPUT@', pmdinfogen],
155 output: out_filename,
156 depends: [pmdinfogen, tmp_lib])
159 # now build the static driver
160 static_lib = static_library(lib_name,
163 include_directories: includes,
164 dependencies: static_deps,
168 # now build the shared driver
169 version_map = '@0@/@1@/@2@_version.map'.format(
170 meson.current_source_dir(),
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 '-Wl,/implib:drivers\\' + implib]
190 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
193 lk_args = ['-Wl,--version-script=' + version_map]
194 # on unix systems check the output of the
195 # check-symbols.sh script, using it as a
196 # dependency of the .so build
197 lk_deps += custom_target(lib_name + '.sym_chk',
198 command: [check_symbols,
199 version_map, '@INPUT@'],
202 output: lib_name + '.sym_chk')
205 shared_lib = shared_library(lib_name,
208 include_directories: includes,
209 dependencies: shared_deps,
212 link_depends: lk_deps,
213 version: abi_version,
214 soversion: so_version,
216 install_dir: driver_install_path)
218 # create a dependency object and add it to the global dictionary so
219 # testpmd or other built-in apps can find it if necessary
220 shared_dep = declare_dependency(link_with: shared_lib,
221 include_directories: includes,
222 dependencies: shared_deps)
223 static_dep = declare_dependency(
224 include_directories: includes,
225 dependencies: static_deps)
227 dpdk_drivers += static_lib
229 set_variable('shared_@0@'.format(lib_name), shared_dep)
230 set_variable('static_@0@'.format(lib_name), static_dep)
231 dependency_name = ''.join(lib_name.split('rte_'))
232 message('drivers/@0@: Defining dependency "@1@"'.format(
233 drv_path, dependency_name))
237 set_variable(class + '_drivers', enabled_drivers)