xref: /dpdk/lib/meson.build (revision ffb81dce)
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2017-2019 Intel Corporation
3
4
5# process all libraries equally, as far as possible
6# "core" libs first, then others alphebetically as far as possible
7# NOTE: for speed of meson runs, the dependencies in the subdirectories
8# sometimes skip deps that would be implied by others, e.g. if mempool is
9# given as a dep, no need to mention ring. This is especially true for the
10# core libs which are widely reused, so their deps are kept to a minimum.
11libraries = [
12        'kvargs', # eal depends on kvargs
13        'telemetry', # basic info querying
14        'eal', # everything depends on eal
15        'ring',
16        'rcu', # rcu depends on ring
17        'mempool',
18        'mbuf',
19        'net',
20        'meter',
21        'ethdev',
22        'pci', # core
23        'cmdline',
24        'metrics', # bitrate/latency stats depends on this
25        'hash',    # efd depends on this
26        'timer',   # eventdev depends on this
27        'acl',
28        'bbdev',
29        'bitratestats',
30        'cfgfile',
31        'compressdev',
32        'cryptodev',
33        'distributor',
34        'efd',
35        'eventdev',
36        'gro',
37        'gso',
38        'ip_frag',
39        'jobstats',
40        'kni',
41        'latencystats',
42        'lpm',
43        'member',
44        'power',
45        'pdump',
46        'rawdev',
47        'regexdev',
48        'rib',
49        'reorder',
50        'sched',
51        'security',
52        'stack',
53        'vhost',
54        'ipsec', # ipsec lib depends on net, crypto and security
55        'fib', #fib lib depends on rib
56        'port', # pkt framework libs which use other libs from above
57        'table',
58        'pipeline',
59        'flow_classify', # flow_classify lib depends on pkt framework table lib
60        'bpf',
61        'graph',
62        'node',
63]
64
65if is_windows
66    libraries = [
67            'kvargs',
68            'telemetry',
69            'eal',
70            'ring',
71            'rcu',
72            'mempool',
73            'mbuf',
74            'net',
75            'meter',
76            'ethdev',
77            'pci',
78            'cmdline',
79            'metrics',
80            'hash',
81            'timer',
82            'bitratestats',
83            'cfgfile',
84            'gro',
85            'gso',
86            'latencystats',
87            'pdump',
88    ] # only supported libraries for windows
89endif
90
91optional_libs = [
92        'kni',
93        'power',
94        'vhost',
95]
96
97disabled_libs = []
98opt_disabled_libs = run_command(list_dir_globs, get_option('disable_libs'),
99        check: true).stdout().split()
100foreach l:opt_disabled_libs
101    if not optional_libs.contains(l)
102        warning('Cannot disable mandatory library "@0@"'.format(l))
103        continue
104    endif
105    disabled_libs += l
106endforeach
107
108
109default_cflags = machine_args
110default_cflags += ['-DALLOW_EXPERIMENTAL_API']
111default_cflags += ['-DALLOW_INTERNAL_API']
112
113if cc.has_argument('-Wno-format-truncation')
114    default_cflags += '-Wno-format-truncation'
115endif
116
117enabled_libs = [] # used to print summary at the end
118
119foreach l:libraries
120    build = true
121    reason = '<unknown reason>' # set if build == false to explain why
122    name = l
123    use_function_versioning = false
124    sources = []
125    headers = []
126    indirect_headers = [] # public headers not directly included by apps
127    driver_sdk_headers = [] # public headers included by drivers
128    includes = []
129    cflags = default_cflags
130    objs = [] # other object files to link against, used e.g. for
131              # instruction-set optimized versions of code
132
133    # use "deps" for internal DPDK dependencies, and "ext_deps" for
134    # external package/library requirements
135    ext_deps = []
136    deps = []
137    # eal is standard dependency once built
138    if dpdk_conf.has('RTE_LIB_EAL')
139        deps += ['eal']
140    endif
141
142    if disabled_libs.contains(l)
143        build = false
144        reason = 'explicitly disabled via build config'
145    else
146        subdir(l)
147    endif
148    if name != l
149        warning('Library name, "@0@", and directory name, "@1@", do not match'.format(name, l))
150    endif
151
152    if not build
153        dpdk_libs_disabled += name
154        set_variable(name.underscorify() + '_disable_reason', reason)
155        continue
156    endif
157
158    shared_deps = ext_deps
159    static_deps = ext_deps
160    foreach d:deps
161        if not is_variable('shared_rte_' + d)
162            error('Missing internal dependency "@0@" for @1@ [@2@]'
163                    .format(d, name, 'lib/' + l))
164        endif
165        shared_deps += [get_variable('shared_rte_' + d)]
166        static_deps += [get_variable('static_rte_' + d)]
167    endforeach
168
169    enabled_libs += name
170    dpdk_conf.set('RTE_LIB_' + name.to_upper(), 1)
171    install_headers(headers)
172    install_headers(indirect_headers)
173    if get_option('enable_driver_sdk')
174        install_headers(driver_sdk_headers)
175    endif
176    dpdk_chkinc_headers += headers
177
178    libname = 'rte_' + name
179    includes += include_directories(l)
180
181    if developer_mode and is_windows and use_function_versioning
182        message('@0@: Function versioning is not supported by Windows.'.format(name))
183    endif
184
185    if use_function_versioning
186        cflags += '-DRTE_USE_FUNCTION_VERSIONING'
187    endif
188    cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=lib.' + l
189
190    # first build static lib
191    static_lib = static_library(libname,
192            sources,
193            objects: objs,
194            c_args: cflags,
195            dependencies: static_deps,
196            include_directories: includes,
197            install: true)
198    static_dep = declare_dependency(
199            include_directories: includes,
200            dependencies: static_deps)
201
202    if not use_function_versioning or is_windows
203        # use pre-build objects to build shared lib
204        sources = []
205        objs += static_lib.extract_all_objects(recursive: false)
206    else
207        # for compat we need to rebuild with
208        # RTE_BUILD_SHARED_LIB defined
209        cflags += '-DRTE_BUILD_SHARED_LIB'
210    endif
211    version_map = '@0@/@1@/version.map'.format(
212            meson.current_source_dir(), l)
213    implib = 'librte_' + l + '.dll.a'
214
215    def_file = custom_target(libname + '_def',
216            command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
217            input: version_map,
218            output: '@0@_exports.def'.format(libname))
219
220    mingw_map = custom_target(libname + '_mingw',
221            command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
222            input: version_map,
223            output: '@0@_mingw.map'.format(libname))
224
225    if is_ms_linker
226        lk_args = ['-Wl,/def:' + def_file.full_path()]
227        if meson.version().version_compare('<0.54.0')
228            lk_args += ['-Wl,/implib:lib\\' + implib]
229        endif
230    else
231        if is_windows
232            lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
233        else
234            lk_args = ['-Wl,--version-script=' + version_map]
235        endif
236    endif
237
238    lk_deps = [version_map, def_file, mingw_map]
239    if developer_mode and not is_windows
240        # on unix systems check the output of the
241        # check-symbols.sh script, using it as a
242        # dependency of the .so build
243        lk_deps += custom_target(name + '.sym_chk',
244                command: [check_symbols,
245                    version_map, '@INPUT@'],
246                capture: true,
247                input: static_lib,
248                output: name + '.sym_chk')
249    endif
250
251    shared_lib = shared_library(libname,
252            sources,
253            objects: objs,
254            c_args: cflags,
255            dependencies: shared_deps,
256            include_directories: includes,
257            link_args: lk_args,
258            link_depends: lk_deps,
259            version: abi_version,
260            soversion: so_version,
261            install: true)
262    shared_dep = declare_dependency(link_with: shared_lib,
263            include_directories: includes,
264            dependencies: shared_deps)
265
266    dpdk_libraries = [shared_lib] + dpdk_libraries
267    dpdk_static_libraries = [static_lib] + dpdk_static_libraries
268
269    set_variable('shared_rte_' + name, shared_dep)
270    set_variable('static_rte_' + name, static_dep)
271    if developer_mode
272        message('lib/@0@: Defining dependency "@1@"'.format(l, name))
273    endif
274endforeach
275