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 # specify -D_GNU_SOURCE unconditionally
25 default_cflags += '-D_GNU_SOURCE'
27 foreach class:dpdk_driver_classes
30 config_flag_fmt = '' # format string used to set the value in dpdk_conf
31 driver_name_fmt = '' # format string for driver name, used to name
32 # the library, the dependency and to find the
33 # version file for linking
39 drv_path = join_paths(class, drv)
41 # set up empty variables used for build
42 build = true # set to false to disable, e.g. missing deps
45 allow_experimental_apis = false
48 cflags = default_cflags
49 includes = [include_directories(drv_path)]
50 # set up internal deps. Drivers can append/override as necessary
52 # ext_deps: Stores external library dependency got
53 # using dependency() (preferred) or find_library().
54 # For the find_library() case (but not with dependency()) we also
55 # need to specify the "-l" flags in pkgconfig_extra_libs variable
56 # too, so that it can be reflected in the pkgconfig output for
59 pkgconfig_extra_libs = []
61 # pull in driver directory which should assign to each of the above
67 dpdk_conf.set(config_flag_fmt.format(name.to_upper()),1)
68 lib_name = driver_name_fmt.format(name)
70 if allow_experimental_apis
71 cflags += '-DALLOW_EXPERIMENTAL_API'
74 # get dependency objs from strings
78 if not is_variable('shared_rte_' + d)
79 error('Missing dependency ' + d +
80 ' for driver ' + lib_name)
82 shared_objs += [get_variable('shared_rte_' + d)]
83 static_objs += [get_variable('static_rte_' + d)]
85 shared_objs += ext_deps
86 static_objs += ext_deps
87 dpdk_extra_ldflags += pkgconfig_extra_libs
89 # generate pmdinfo sources by building a temporary
90 # lib and then running pmdinfogen on the contents of
91 # that lib. The final lib reuses the object files and
92 # adds in the new source file.
93 out_filename = lib_name + '.pmd.c'
94 tmp_lib = static_library('tmp_' + lib_name,
96 include_directories: includes,
97 dependencies: static_objs,
99 objs += tmp_lib.extract_all_objects()
100 sources = custom_target(out_filename,
101 command: [pmdinfo, tmp_lib.full_path(),
102 '@OUTPUT@', pmdinfogen],
103 output: out_filename,
104 depends: [pmdinfogen, tmp_lib])
106 if get_option('per_library_versions')
107 lib_version = '@0@.1'.format(version)
108 so_version = '@0@'.format(version)
110 lib_version = major_version
111 so_version = major_version
114 # now build the static driver
115 static_lib = static_library(lib_name,
118 include_directories: includes,
119 dependencies: static_objs,
123 # now build the shared driver
124 version_map = '@0@/@1@/@2@_version.map'.format(
125 meson.current_source_dir(),
127 shared_lib = shared_library(lib_name,
130 include_directories: includes,
131 dependencies: shared_objs,
133 link_args: '-Wl,--version-script=' + version_map,
134 link_depends: version_map,
135 version: lib_version,
136 soversion: so_version,
138 install_dir: driver_install_path)
140 # create a dependency object and add it to the global dictionary so
141 # testpmd or other built-in apps can find it if necessary
142 shared_dep = declare_dependency(link_with: shared_lib,
143 include_directories: includes,
144 dependencies: shared_objs)
145 static_dep = declare_dependency(link_with: static_lib,
146 include_directories: includes,
147 dependencies: static_objs)
149 dpdk_drivers += static_lib
151 set_variable('shared_@0@'.format(lib_name), shared_dep)
152 set_variable('static_@0@'.format(lib_name), static_dep)
156 set_variable(class + '_drivers', class_drivers)