dpdk/lib/meson.build
<<
>>
Prefs
   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