81c2337e04
The default mempool driver is one based on the rte_ring, and as such it needs to be present to have just about any app (which doesn't override the mempool) run. Given this state of affairs it is probably best to add this default mempool driver to the always-enabled list to ensure we get a runnable build in all cases. This means that, for example, to run some NIC tests with testpmd in a minimal build, in most cases, all the user should need to do is specify "-Denable_drivers=net/<nic_drv>" for the build. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Acked-by: Morten Brørup <mb@smartsharesystems.com>
257 lines
9.7 KiB
Meson
257 lines
9.7 KiB
Meson
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2017-2019 Intel Corporation
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# Defines the order of dependencies evaluation
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subdirs = [
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'common',
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'bus',
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'common/cnxk', # depends on bus.
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'common/mlx5', # depends on bus.
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'common/qat', # depends on bus.
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'common/sfc_efx', # depends on bus.
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'mempool', # depends on common and bus.
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'dma', # depends on common and bus.
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'net', # depends on common, bus, mempool
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'raw', # depends on common, bus, dma and net.
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'crypto', # depends on common, bus and mempool (net in future).
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'compress', # depends on common, bus, mempool.
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'regex', # depends on common, bus, regexdev.
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'vdpa', # depends on common, bus and mempool.
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'event', # depends on common, bus, mempool and net.
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'baseband', # depends on common and bus.
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'gpu', # depends on common and bus.
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]
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if meson.is_cross_build()
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disable_drivers += ',' + meson.get_cross_property('disable_drivers', '')
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enable_drivers += ',' + meson.get_cross_property('enable_drivers', '')
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endif
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# add cmdline disabled drivers and meson disabled drivers together
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disable_drivers += ',' + get_option('disable_drivers')
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disable_drivers = run_command(list_dir_globs, disable_drivers, check: true).stdout().split()
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# add cmdline enabled drivers and meson enabled drivers together
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enable_drivers = ',' + get_option('enable_drivers')
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enable_drivers = run_command(list_dir_globs, enable_drivers, check: true).stdout().split()
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if enable_drivers.length() == 0
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enable_drivers = run_command(list_dir_globs, '*/*', check: true).stdout().split()
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endif
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# these drivers must always be enabled, otherwise the build breaks
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always_enable = ['bus/pci', 'bus/vdev']
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# we always need a mempool driver, and ring is default, so make it mandatory
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always_enable += ['mempool/ring']
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enable_drivers += always_enable
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default_cflags = machine_args
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default_cflags += ['-DALLOW_EXPERIMENTAL_API']
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default_cflags += ['-DALLOW_INTERNAL_API']
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if cc.has_argument('-Wno-format-truncation')
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default_cflags += '-Wno-format-truncation'
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endif
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foreach subpath:subdirs
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drivers = []
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std_deps = []
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log_prefix = ''
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# subpath can be either "class" or "class/driver"
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if subpath.contains('/')
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driver_path = subpath.split('/')
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class = driver_path[0]
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drivers += driver_path[1]
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else
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class = subpath
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subdir(class)
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endif
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# save class name on first occurrence
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if not dpdk_driver_classes.contains(class)
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dpdk_driver_classes += class
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endif
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# get already enabled drivers of the same class
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enabled_drivers = get_variable(class + '_drivers', [])
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# default log prefix can be defined per class
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if log_prefix == ''
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# default log name is pmd.class.driver
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log_prefix = 'pmd.' + class
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endif
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foreach drv:drivers
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drv_path = join_paths(class, drv)
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# set up empty variables used for build
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build = true # set to false to disable, e.g. missing deps
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reason = '<unknown reason>' # set if build == false to explain
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name = drv
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sources = []
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headers = []
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objs = []
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cflags = default_cflags
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includes = [include_directories(drv_path)]
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# set up internal deps. Drivers can append/override as necessary
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deps = std_deps
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# ext_deps: Stores external library dependency got
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# using dependency() (preferred) or find_library().
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# For the find_library() case (but not with dependency()) we also
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# need to specify the "-l" flags in pkgconfig_extra_libs variable
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# too, so that it can be reflected in the pkgconfig output for
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# static builds.
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ext_deps = []
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pkgconfig_extra_libs = []
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if not enable_drivers.contains(drv_path)
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build = false
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reason = 'not in enabled drivers build config'
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elif disable_drivers.contains(drv_path)
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if always_enable.contains(drv_path)
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message('Driver @0@ cannot be disabled, not disabling.'.format(drv_path))
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else
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build = false
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reason = 'explicitly disabled via build config'
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endif
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endif
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if build
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# pull in driver directory which should update all the local variables
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subdir(drv_path)
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# get dependency objs from strings
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shared_deps = ext_deps
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static_deps = ext_deps
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foreach d:deps
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if not build
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break
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endif
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if not is_variable('shared_rte_' + d)
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build = false
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reason = 'missing internal dependency, "@0@"'.format(d)
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message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
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.format(d, name, 'drivers/' + drv_path))
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else
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shared_deps += [get_variable('shared_rte_' + d)]
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static_deps += [get_variable('static_rte_' + d)]
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endif
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endforeach
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endif
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if not build
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# some driver directories are placeholders which
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# are never built, so we allow suppression of the
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# component disable printout in those cases
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if reason != ''
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dpdk_drvs_disabled += drv_path
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set_variable(drv_path.underscorify() + '_disable_reason', reason)
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endif
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continue
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endif
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enabled_drivers += name
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lib_name = '_'.join(['rte', class, name])
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cflags += '-DRTE_LOG_DEFAULT_LOGTYPE=' + '.'.join([log_prefix, name])
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dpdk_conf.set(lib_name.to_upper(), 1)
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dpdk_extra_ldflags += pkgconfig_extra_libs
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install_headers(headers)
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# generate pmdinfo sources by building a temporary
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# lib and then running pmdinfogen on the contents of
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# that lib. The final lib reuses the object files and
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# adds in the new source file.
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out_filename = lib_name + '.pmd.c'
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tmp_lib = static_library('tmp_' + lib_name, sources,
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include_directories: includes,
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dependencies: static_deps,
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c_args: cflags)
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objs += tmp_lib.extract_all_objects(recursive: true)
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sources = custom_target(out_filename,
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command: [pmdinfo, tmp_lib.full_path(), '@OUTPUT@', pmdinfogen],
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output: out_filename,
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depends: [tmp_lib])
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# now build the static driver
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static_lib = static_library(lib_name,
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sources,
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objects: objs,
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include_directories: includes,
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dependencies: static_deps,
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c_args: cflags,
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install: true)
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# now build the shared driver
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version_map = '@0@/@1@/version.map'.format(meson.current_source_dir(), drv_path)
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implib = 'lib' + lib_name + '.dll.a'
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def_file = custom_target(lib_name + '_def',
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command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
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input: version_map,
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output: '@0@_exports.def'.format(lib_name))
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mingw_map = custom_target(lib_name + '_mingw',
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command: [map_to_win_cmd, '@INPUT@', '@OUTPUT@'],
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input: version_map,
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output: '@0@_mingw.map'.format(lib_name))
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lk_deps = [version_map, def_file, mingw_map]
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if is_windows
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if is_ms_linker
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lk_args = ['-Wl,/def:' + def_file.full_path()]
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if meson.version().version_compare('<0.54.0')
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lk_args += ['-Wl,/implib:drivers\\' + implib]
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endif
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else
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lk_args = ['-Wl,--version-script=' + mingw_map.full_path()]
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endif
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else
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lk_args = ['-Wl,--version-script=' + version_map]
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if developer_mode
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# on unix systems check the output of the
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# check-symbols.sh script, using it as a
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# dependency of the .so build
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lk_deps += custom_target(lib_name + '.sym_chk',
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command: [check_symbols, version_map, '@INPUT@'],
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capture: true,
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input: static_lib,
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output: lib_name + '.sym_chk')
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endif
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endif
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shared_lib = shared_library(lib_name, sources,
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objects: objs,
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include_directories: includes,
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dependencies: shared_deps,
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c_args: cflags,
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link_args: lk_args,
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link_depends: lk_deps,
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version: abi_version,
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soversion: so_version,
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install: true,
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install_dir: driver_install_path)
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# create a dependency object and add it to the global dictionary so
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# testpmd or other built-in apps can find it if necessary
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shared_dep = declare_dependency(link_with: shared_lib,
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include_directories: includes,
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dependencies: shared_deps)
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static_dep = declare_dependency(
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include_directories: includes,
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dependencies: static_deps)
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dpdk_drivers += static_lib
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set_variable('shared_@0@'.format(lib_name), shared_dep)
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set_variable('static_@0@'.format(lib_name), static_dep)
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dependency_name = ''.join(lib_name.split('rte_'))
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if developer_mode
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message('drivers/@0@: Defining dependency "@1@"'.format(
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drv_path, dependency_name))
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endif
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endforeach
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set_variable(class + '_drivers', enabled_drivers)
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endforeach
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