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 'mempool', # depends on common and bus.
10 'net', # depends on common, bus, mempool
11 'raw', # depends on common, bus and net.
12 'crypto', # depends on common, bus and mempool (net in future).
13 'compress', # depends on common, bus, mempool.
14 'regex', # depends on common, bus, regexdev.
15 'vdpa', # depends on common, bus and mempool.
16 'event', # depends on common, bus, mempool and net.
17 'baseband', # depends on common and bus.
20 disabled_drivers = run_command(list_dir_globs, get_option('disable_drivers'),
23 default_cflags = machine_args
24 default_cflags += ['-DALLOW_EXPERIMENTAL_API']
25 default_cflags += ['-DALLOW_INTERNAL_API']
27 if cc.has_argument('-Wno-format-truncation')
28 default_cflags += '-Wno-format-truncation'
31 foreach subpath:subdirs
34 config_flag_fmt = '' # format string used to set the value in dpdk_conf
35 driver_name_fmt = '' # format string for driver name, used to name
36 # the library, the dependency and to find the
37 # version file for linking
39 # subpath can be either "class" or "class/driver"
40 if subpath.contains('/')
41 driver_path = subpath.split('/')
42 class = driver_path[0]
43 drivers += driver_path[1]
49 # save class name on first occurrence
50 if not dpdk_driver_classes.contains(class)
51 dpdk_driver_classes += class
53 # get already enabled drivers of the same class
54 enabled_drivers = get_variable(class + '_drivers', [])
57 drv_path = join_paths(class, drv)
59 # set up empty variables used for build
60 build = true # set to false to disable, e.g. missing deps
61 reason = '<unknown reason>' # set if build == false to explain
66 cflags = default_cflags
67 includes = [include_directories(drv_path)]
68 # set up internal deps. Drivers can append/override as necessary
70 # ext_deps: Stores external library dependency got
71 # using dependency() (preferred) or find_library().
72 # For the find_library() case (but not with dependency()) we also
73 # need to specify the "-l" flags in pkgconfig_extra_libs variable
74 # too, so that it can be reflected in the pkgconfig output for
77 pkgconfig_extra_libs = []
79 if disabled_drivers.contains(drv_path)
81 reason = 'Explicitly disabled via build config'
83 # pull in driver directory which should update all the local variables
88 # get dependency objs from strings
89 shared_deps = ext_deps
90 static_deps = ext_deps
92 if not is_variable('shared_rte_' + d)
94 reason = 'Missing internal dependency, "@0@"'.format(d)
95 message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
96 .format(d, name, 'drivers/' + drv_path))
98 shared_deps += [get_variable('shared_rte_' + d)]
99 static_deps += [get_variable('static_rte_' + d)]
105 # some driver directories are placeholders which
106 # are never built, so we allow suppression of the
107 # component disable printout in those cases
109 dpdk_drvs_disabled += drv_path
110 set_variable(drv_path.underscorify() +
111 '_disable_reason', reason)
114 enabled_drivers += name
119 dpdk_conf.set(config_flag_fmt.format(fmt_name.to_upper()),1)
120 lib_name = driver_name_fmt.format(fmt_name)
122 dpdk_extra_ldflags += pkgconfig_extra_libs
124 # generate pmdinfo sources by building a temporary
125 # lib and then running pmdinfogen on the contents of
126 # that lib. The final lib reuses the object files and
127 # adds in the new source file.
129 out_filename = lib_name + '.pmd.c'
130 tmp_lib = static_library('tmp_' + lib_name,
132 include_directories: includes,
133 dependencies: static_deps,
135 objs += tmp_lib.extract_all_objects()
136 sources = custom_target(out_filename,
137 command: [pmdinfo, tmp_lib.full_path(),
138 '@OUTPUT@', pmdinfogen],
139 output: out_filename,
140 depends: [pmdinfogen, tmp_lib])
143 # now build the static driver
144 static_lib = static_library(lib_name,
147 include_directories: includes,
148 dependencies: static_deps,
152 # now build the shared driver
153 version_map = '@0@/@1@/@2@_version.map'.format(
154 meson.current_source_dir(),
156 implib = 'lib' + lib_name + '.dll.a'
158 def_file = custom_target(lib_name + '_def',
159 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
161 output: '@0@_exports.def'.format(lib_name))
163 mingw_map = custom_target(lib_name + '_mingw',
164 command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
166 output: '@0@_mingw.map'.format(lib_name))
168 lk_deps = [version_map, def_file, mingw_map]
171 lk_args = ['-Wl,/def:' + def_file.full_path(),
172 '-Wl,/implib:drivers\\' + implib]
174 lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
177 lk_args = ['-Wl,--version-script=' + version_map]
178 # on unix systems check the output of the
179 # check-symbols.sh script, using it as a
180 # dependency of the .so build
181 lk_deps += custom_target(lib_name + '.sym_chk',
182 command: [check_symbols,
183 version_map, '@INPUT@'],
186 output: lib_name + '.sym_chk')
189 shared_lib = shared_library(lib_name,
192 include_directories: includes,
193 dependencies: shared_deps,
196 link_depends: lk_deps,
197 version: abi_version,
198 soversion: so_version,
200 install_dir: driver_install_path)
202 # create a dependency object and add it to the global dictionary so
203 # testpmd or other built-in apps can find it if necessary
204 shared_dep = declare_dependency(link_with: shared_lib,
205 include_directories: includes,
206 dependencies: shared_deps)
207 static_dep = declare_dependency(
208 include_directories: includes,
209 dependencies: static_deps)
211 dpdk_drivers += static_lib
213 set_variable('shared_@0@'.format(lib_name), shared_dep)
214 set_variable('static_@0@'.format(lib_name), static_dep)
215 dependency_name = ''.join(lib_name.split('rte_'))
216 message('drivers/@0@: Defining dependency "@1@"'.format(
217 drv_path, dependency_name))
221 set_variable(class + '_drivers', enabled_drivers)