set_variable('is_' + env, exec_env == env)
endforeach
+# MS linker requires special treatment.
+# TODO: use cc.get_linker_id() with Meson >= 0.54
+is_ms_linker = is_windows and (cc.get_id() == 'clang')
+
# set the major version, which might be used by drivers and libraries
# depending on the configuration options
pver = meson.project_version().split('.')
major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
abi_version = run_command(find_program('cat', 'more'),
abi_version_file).stdout().strip()
-# experimental libraries are versioned as 0.majorminor versions, e.g. 0.201
-ever = abi_version.split('.')
-experimental_abi_version = '0.@0@@1@'.format(ever.get(0), ever.get(1))
+
+# Libraries have the abi_version as the filename extension
+# and have the soname be all but the final part of the abi_version.
+# e.g. v20.1 => librte_foo.so.20.1
+# sonames => librte_foo.so.20
+so_version = abi_version.split('.')[0]
# extract all version information into the build configuration
dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
# driver .so files often depend upon the bus drivers for their connect bus,
# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
# to be in the library path, so symlink the drivers from the main lib directory.
-meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
- get_option('libdir'),
- pmd_subdir_opt)
+if not is_windows
+ meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
+ get_option('libdir'),
+ pmd_subdir_opt)
+endif
# set the machine type and cflags for it
if meson.is_cross_build()
dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
+dpdk_conf.set('RTE_ARCH_32', cc.sizeof('void *') == 4)
-add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+if not is_windows
+ add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
+endif
-# use pthreads
-add_project_link_arguments('-pthread', language: 'c')
-dpdk_extra_ldflags += '-pthread'
+# use pthreads if available for the platform
+if not is_windows
+ add_project_link_arguments('-pthread', language: 'c')
+ dpdk_extra_ldflags += '-pthread'
+endif
# on some OS, maths functions are in a separate library
-if cc.find_library('libm', required : false).found()
+if cc.find_library('m', required : false).found()
# some libs depend on maths lib
add_project_link_arguments('-lm', language: 'c')
dpdk_extra_ldflags += '-lm'
# check for libraries used in multiple places in DPDK
has_libnuma = 0
-numa_dep = cc.find_library('numa', required: false)
-if numa_dep.found() and cc.has_header('numaif.h')
- dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
- has_libnuma = 1
- add_project_link_arguments('-lnuma', language: 'c')
- dpdk_extra_ldflags += '-lnuma'
+find_libnuma = true
+if meson.is_cross_build() and not meson.get_cross_property('numa', true)
+ # don't look for libnuma if explicitly disabled in cross build
+ find_libnuma = false
+endif
+if find_libnuma
+ numa_dep = cc.find_library('numa', required: false)
+ if numa_dep.found() and cc.has_header('numaif.h')
+ dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
+ has_libnuma = 1
+ add_project_link_arguments('-lnuma', language: 'c')
+ dpdk_extra_ldflags += '-lnuma'
+ endif
+endif
+
+has_libfdt = 0
+fdt_dep = cc.find_library('libfdt', required: false)
+if fdt_dep.found() and cc.has_header('fdt.h')
+ dpdk_conf.set10('RTE_HAS_LIBFDT', true)
+ has_libfdt = 1
+ add_project_link_arguments('-lfdt', language: 'c')
+ dpdk_extra_ldflags += '-lfdt'
endif
# check for libbsd
-libbsd = dependency('libbsd', required: false)
+libbsd = dependency('libbsd', required: false, method: 'pkg-config')
if libbsd.found()
dpdk_conf.set('RTE_USE_LIBBSD', 1)
endif
# check for pcap
-pcap_dep = dependency('pcap', required: false)
-if pcap_dep.found()
- # pcap got a pkg-config file only in 1.9.0 and before that meson uses
- # an internal pcap-config finder, which is not compatible with
- # cross-compilation, so try to fallback to find_library
+pcap_dep = dependency('libpcap', required: false, method: 'pkg-config')
+if not pcap_dep.found()
+ # pcap got a pkg-config file only in 1.9.0
pcap_dep = cc.find_library('pcap', required: false)
endif
if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep)
dpdk_extra_ldflags += '-lpcap'
endif
+# for clang 32-bit compiles we need libatomic for 64-bit atomic ops
+if cc.get_id() == 'clang' and dpdk_conf.get('RTE_ARCH_64') == false
+ atomic_dep = cc.find_library('atomic', required: true)
+ add_project_link_arguments('-latomic', language: 'c')
+ dpdk_extra_ldflags += '-latomic'
+endif
+
# add -include rte_config to cflags
add_project_arguments('-include', 'rte_config.h', language: 'c')
# additional warnings in alphabetical order
'-Wcast-qual',
'-Wdeprecated',
+ '-Wformat',
'-Wformat-nonliteral',
'-Wformat-security',
'-Wmissing-declarations',
'-Wno-packed-not-aligned',
'-Wno-missing-field-initializers'
]
+if cc.get_id() == 'gcc' and cc.version().version_compare('>=10.0')
+# FIXME: Bugzilla 396
+ warning_flags += '-Wno-zero-length-bounds'
+endif
if not dpdk_conf.get('RTE_ARCH_64')
# for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
warning_flags += '-Wno-pointer-to-int-cast'
endif
+if cc.get_id() == 'intel'
+ warning_ids = [181, 188, 2203, 2279, 2557, 3179, 3656]
+ foreach i:warning_ids
+ warning_flags += '-diag-disable=@0@'.format(i)
+ endforeach
+endif
foreach arg: warning_flags
if cc.has_argument(arg)
add_project_arguments(arg, language: 'c')
dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
+dpdk_conf.set('RTE_ENABLE_TRACE_FP', get_option('enable_trace_fp'))
# values which have defaults which may be overridden
dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
+if dpdk_conf.get('RTE_ARCH_64')
+ dpdk_conf.set('RTE_MAX_MEM_MB', 524288)
+else # for 32-bit we need smaller reserved memory areas
+ dpdk_conf.set('RTE_MAX_MEM_MB', 2048)
+endif
compile_time_cpuflags = []
-if host_machine.cpu_family().startswith('x86')
- arch_subdir = 'x86'
-elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
- arch_subdir = 'arm'
-elif host_machine.cpu_family().startswith('ppc')
- arch_subdir = 'ppc_64'
-endif
subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
+# apply cross-specific options
+if meson.is_cross_build()
+ # configure RTE_MAX_LCORE and RTE_MAX_NUMA_NODES from cross file
+ cross_max_lcores = meson.get_cross_property('max_lcores', 0)
+ if cross_max_lcores != 0
+ message('Setting RTE_MAX_LCORE from cross file')
+ dpdk_conf.set('RTE_MAX_LCORE', cross_max_lcores)
+ endif
+ cross_max_numa_nodes = meson.get_cross_property('max_numa_nodes', 0)
+ if cross_max_numa_nodes != 0
+ message('Setting RTE_MAX_NUMA_NODES from cross file')
+ dpdk_conf.set('RTE_MAX_NUMA_NODES', cross_max_numa_nodes)
+ endif
+endif
+
# set the install path for the drivers
dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
-install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
+install_headers(['rte_config.h'],
+ subdir: get_option('include_subdir_arch'))
# enable VFIO only if it is linux OS
dpdk_conf.set('RTE_EAL_VFIO', is_linux)
add_project_arguments('-D__BSD_VISIBLE', language: 'c')
endif
+if is_windows
+ # VirtualAlloc2() is available since Windows 10 / Server 2016.
+ add_project_arguments('-D_WIN32_WINNT=0x0A00', language: 'c')
+
+ # Use MinGW-w64 stdio, because DPDK assumes ANSI-compliant formatting.
+ if cc.get_id() == 'gcc'
+ add_project_arguments('-D__USE_MINGW_ANSI_STDIO', language: 'c')
+ endif
+
+ # Disable secure CRT deprecated warnings for clang
+ if cc.get_id() == 'clang'
+ add_project_arguments('-D_CRT_SECURE_NO_WARNINGS', language: 'c')
+ endif
+
+ add_project_link_arguments('-lws2_32', language: 'c')
+
+ # Contrary to docs, VirtualAlloc2() is exported by mincore.lib
+ # in Windows SDK, while MinGW exports it by advapi32.a.
+ if is_ms_linker
+ add_project_link_arguments('-lmincore', language: 'c')
+ endif
+
+ add_project_link_arguments('-ladvapi32', '-lsetupapi', language: 'c')
+ add_project_link_arguments('-ldbghelp', language: 'c')
+endif
+
if get_option('b_lto')
if cc.has_argument('-ffat-lto-objects')
add_project_arguments('-ffat-lto-objects', language: 'c')
add_project_link_arguments('-Wno-lto-type-mismatch', language: 'c')
endif
endif
+
+if get_option('default_library') == 'both'
+ error( '''
+ Unsupported value "both" for "default_library" option.
+
+ NOTE: DPDK always builds both shared and static libraries. Please set
+ "default_library" to either "static" or "shared" to select default linkage
+ for apps and any examples.''')
+endif