1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017-2019 Intel Corporation
8 # Defines the order in which the drivers are buit.
9 dpdk_driver_classes = ['common',
11 'mempool', # depends on common and bus.
12 'net', # depends on common, bus and mempool.
13 'crypto', # depends on common, bus and mempool (net in future).
14 'compress', # depends on common, bus, mempool.
15 'event', # depends on common, bus, mempool and net.
16 'baseband', # depends on common and bus.
17 'raw'] # depends on common, bus, mempool, net and event.
19 default_cflags = machine_args
20 if cc.has_argument('-Wno-format-truncation')
21 default_cflags += '-Wno-format-truncation'
24 foreach class:dpdk_driver_classes
27 config_flag_fmt = '' # format string used to set the value in dpdk_conf
28 driver_name_fmt = '' # format string for driver name, used to name
29 # the library, the dependency and to find the
30 # version file for linking
36 drv_path = join_paths(class, drv)
38 # set up empty variables used for build
39 build = true # set to false to disable, e.g. missing deps
42 allow_experimental_apis = false
45 cflags = default_cflags
46 includes = [include_directories(drv_path)]
47 # set up internal deps. Drivers can append/override as necessary
49 # ext_deps: Stores external library dependency got
50 # using dependency() (preferred) or find_library().
51 # For the find_library() case (but not with dependency()) we also
52 # need to specify the "-l" flags in pkgconfig_extra_libs variable
53 # too, so that it can be reflected in the pkgconfig output for
56 pkgconfig_extra_libs = []
58 # pull in driver directory which should assign to each of the above
64 dpdk_conf.set(config_flag_fmt.format(name.to_upper()),1)
65 lib_name = driver_name_fmt.format(name)
67 if allow_experimental_apis
68 cflags += '-DALLOW_EXPERIMENTAL_API'
71 # get dependency objs from strings
75 if not is_variable('shared_rte_' + d)
76 error('Missing dependency ' + d +
77 ' for driver ' + lib_name)
79 shared_objs += [get_variable('shared_rte_' + d)]
80 static_objs += [get_variable('static_rte_' + d)]
82 shared_objs += ext_deps
83 static_objs += ext_deps
84 dpdk_extra_ldflags += pkgconfig_extra_libs
86 # generate pmdinfo sources by building a temporary
87 # lib and then running pmdinfogen on the contents of
88 # that lib. The final lib reuses the object files and
89 # adds in the new source file.
90 out_filename = lib_name + '.pmd.c'
91 tmp_lib = static_library('tmp_' + lib_name,
93 include_directories: includes,
94 dependencies: static_objs,
96 objs += tmp_lib.extract_all_objects()
97 sources = custom_target(out_filename,
98 command: [pmdinfo, tmp_lib.full_path(),
99 '@OUTPUT@', pmdinfogen],
100 output: out_filename,
101 depends: [pmdinfogen, tmp_lib])
103 if get_option('per_library_versions')
104 lib_version = '@0@.1'.format(version)
105 so_version = '@0@'.format(version)
107 lib_version = major_version
108 so_version = major_version
111 # now build the static driver
112 static_lib = static_library(lib_name,
115 include_directories: includes,
116 dependencies: static_objs,
120 # now build the shared driver
121 version_map = '@0@/@1@/@2@_version.map'.format(
122 meson.current_source_dir(),
124 shared_lib = shared_library(lib_name,
127 include_directories: includes,
128 dependencies: shared_objs,
130 link_args: '-Wl,--version-script=' + version_map,
131 link_depends: version_map,
132 version: lib_version,
133 soversion: so_version,
135 install_dir: driver_install_path)
137 # create a dependency object and add it to the global dictionary so
138 # testpmd or other built-in apps can find it if necessary
139 shared_dep = declare_dependency(link_with: shared_lib,
140 include_directories: includes,
141 dependencies: shared_objs)
142 static_dep = declare_dependency(link_with: static_lib,
143 include_directories: includes,
144 dependencies: static_objs)
146 dpdk_drivers += static_lib
148 set_variable('shared_@0@'.format(lib_name), shared_dep)
149 set_variable('static_@0@'.format(lib_name), static_dep)
153 set_variable(class + '_drivers', class_drivers)