28188cee2a
When a component uses either XOPEN_SOURCE or POSIX_C_SOURCE macro explicitly in its build recipe, it restricts visibility of a non POSIX features subset, such as IANA protocol numbers (IPPROTO_* macros). Non standard features are enabled by default for DPDK both for Linux thanks to _GNU_SOURCE and for FreeBSD thanks to __BSD_VISIBLE. However using XOPEN_SOURCE or POSIX_(C_)SOURCE in a component causes __BSD_VISIBLE to be defined to 0 for FreeBSD, causing different feature sets visibility for Linux and FreeBSD. It restricts from using IPPROTO macros in public headers, such as rte_ip.h, despite the fact they are already widely used in sources. Add __BSD_VISIBLE macro specified unconditionally for FreeBSD targets which enforces feature sets visibility unification between Linux and FreeBSD. Add single -D_GNU_SOURCE to config/meson.build as a project argument instead of adding separate directive for each project subtree. This patch solves the problem of build breaks for [1] on FreeBSD [2] following the discussion [3]. [1] https://mails.dpdk.org/archives/dev/2019-May/131885.html [2] http://mails.dpdk.org/archives/test-report/2019-May/082263.html [3] https://mails.dpdk.org/archives/dev/2019-May/132110.html Signed-off-by: Marcin Smoczynski <marcinx.smoczynski@intel.com> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
115 lines
3.5 KiB
Meson
115 lines
3.5 KiB
Meson
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2017-2019 Intel Corporation
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project('DPDK', 'C',
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# Get version number from file.
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# Fallback to "more" for Windows compatibility.
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version: run_command(find_program('cat', 'more'),
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files('VERSION')).stdout().strip(),
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license: 'BSD',
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default_options: ['buildtype=release', 'default_library=static'],
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meson_version: '>= 0.47.1'
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)
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# set up some global vars for compiler, platform, configuration, etc.
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cc = meson.get_compiler('c')
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dpdk_conf = configuration_data()
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dpdk_libraries = []
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dpdk_static_libraries = []
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dpdk_driver_classes = []
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dpdk_drivers = []
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dpdk_extra_ldflags = []
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dpdk_app_link_libraries = []
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# configure the build, and make sure configs here and in config folder are
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# able to be included in any file. We also store a global array of include dirs
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# for passing to pmdinfogen scripts
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global_inc = include_directories('.', 'config',
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'lib/librte_eal/common/include',
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'lib/librte_eal/@0@/eal/include'.format(host_machine.system()),
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)
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subdir('config')
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# build libs and drivers
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subdir('buildtools')
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subdir('lib')
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subdir('drivers')
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# build binaries and installable tools
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subdir('usertools')
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subdir('app')
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# build docs
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subdir('doc')
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# build any examples explicitly requested - useful for developers - and
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# install any example code into the appropriate install path
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subdir('examples')
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# build kernel modules if enabled
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if get_option('enable_kmods')
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subdir('kernel')
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endif
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# write the build config
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build_cfg = 'rte_build_config.h'
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configure_file(output: build_cfg,
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configuration: dpdk_conf,
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install_dir: join_paths(get_option('includedir'),
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get_option('include_subdir_arch')))
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# for static builds, include the drivers as libs and we need to "whole-archive"
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# them.
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dpdk_drivers = ['-Wl,--whole-archive'] + dpdk_drivers + ['-Wl,--no-whole-archive']
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pkg = import('pkgconfig')
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pkg_extra_cflags = ['-include', 'rte_config.h'] + machine_args
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if is_freebsd
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pkg_extra_cflags += ['-D__BSD_VISIBLE']
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endif
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pkg.generate(name: meson.project_name(),
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filebase: 'lib' + meson.project_name().to_lower(),
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version: meson.project_version(),
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libraries: dpdk_libraries,
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libraries_private: dpdk_drivers + dpdk_static_libraries +
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['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
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requires: libbsd, # apps using rte_string_fns.h may need this if enabled
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# if libbsd is not enabled, then this is blank
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description: '''The Data Plane Development Kit (DPDK).
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Note that CFLAGS might contain an -march flag higher than typical baseline.
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This is required for a number of static inline functions in the public headers.''',
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subdirs: [get_option('include_subdir_arch'), '.'],
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extra_cflags: pkg_extra_cflags
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)
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# final output, list all the libs and drivers to be built
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# this does not affect any part of the build, for information only.
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output_message = '\n=================\nLibraries Enabled\n=================\n'
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output_message += '\nlibs:\n\t'
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output_count = 0
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foreach lib:enabled_libs
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output_message += lib + ', '
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output_count += 1
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if output_count == 8
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output_message += '\n\t'
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output_count = 0
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endif
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endforeach
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message(output_message + '\n')
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output_message = '\n===============\nDrivers Enabled\n===============\n'
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foreach class:dpdk_driver_classes
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class_drivers = get_variable(class + '_drivers')
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output_message += '\n' + class + ':\n\t'
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output_count = 0
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foreach drv:class_drivers
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output_message += drv + ', '
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output_count += 1
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if output_count == 8
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output_message += '\n\t'
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output_count = 0
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endif
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endforeach
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endforeach
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message(output_message + '\n')
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