# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
+# Copyright(c) 2017-2019 Intel Corporation
+
+# check the OS is supported, rather than going any further
+supported_exec_envs = ['freebsd', 'linux', 'windows']
+exec_env = host_machine.system()
+if not supported_exec_envs.contains(exec_env)
+ error('unsupported system type "@0@"'.format(exec_env))
+endif
+
+# define a handy variable for checking which OS we have.
+# gives us "is_windows", "is_freebsd" and "is_linux"
+foreach env:supported_exec_envs
+ 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()
+
+# Regular libraries have the abi_version as the filename extension
+# and have the soname be all but the final part of the abi_version.
+# Experimental libraries have soname with '0.major'
+# and the filename suffix as 0.majorminor versions,
+# e.g. v20.1 => librte_stable.so.20.1, librte_experimental.so.0.201
+# sonames => librte_stable.so.20, librte_experimental.so.0.20
+# e.g. v20.0.1 => librte_stable.so.20.0.1, librte_experimental.so.0.2001
+# sonames => librte_stable.so.20.0, librte_experimental.so.0.200
+abi_va = abi_version.split('.')
+stable_so_version = abi_va.length() == 2 ? abi_va[0] : abi_va[0] + '.' + abi_va[1]
+experimental_abi_version = '0.' + abi_va[0] + abi_va[1] + '.' + abi_va[2]
+experimental_so_version = experimental_abi_version
+
+# extract all version information into the build configuration
+dpdk_conf.set('RTE_VER_YEAR', pver.get(0).to_int())
+dpdk_conf.set('RTE_VER_MONTH', pver.get(1).to_int())
+if pver.get(2).contains('-rc')
+ rc_ver = pver.get(2).split('-rc')
+ dpdk_conf.set('RTE_VER_MINOR', rc_ver.get(0).to_int())
+ dpdk_conf.set_quoted('RTE_VER_SUFFIX', '-rc')
+ dpdk_conf.set('RTE_VER_RELEASE', rc_ver.get(1).to_int())
+else
+ dpdk_conf.set('RTE_VER_MINOR', pver.get(2).to_int())
+ dpdk_conf.set_quoted('RTE_VER_SUFFIX', '')
+# for actual, non-rc releases, set the release value to 99 to ensure releases
+# have higher version numbers than their respective release candidates
+ dpdk_conf.set('RTE_VER_RELEASE', 99)
+endif
+
+pmd_subdir_opt = get_option('drivers_install_subdir')
+if pmd_subdir_opt.contains('<VERSION>')
+ pmd_subdir_opt = abi_version.join(pmd_subdir_opt.split('<VERSION>'))
+endif
+driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
+eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
+
+# 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)
# set the machine type and cflags for it
if meson.is_cross_build()
dpdk_conf.set('RTE_ARCH_64', cc.sizeof('void *') == 8)
-add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
-dpdk_extra_ldflags += '-Wl,--no-as-needed'
+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_ms_linker
+ add_project_link_arguments('-pthread', language: 'c')
+ dpdk_extra_ldflags += '-pthread'
+endif
-# some libs depend on maths lib
-add_project_link_arguments('-lm', language: 'c')
-dpdk_extra_ldflags += '-lm'
+# on some OS, maths functions are in a separate library
+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'
+endif
# for linux link against dl, for bsd execinfo
-if host_machine.system() == 'linux'
+if is_linux
link_lib = 'dl'
-else
+elif is_freebsd
link_lib = 'execinfo'
+else
+ link_lib = ''
+endif
+
+# if link_lib is empty, do not add it to project properties
+if link_lib != ''
+ add_project_link_arguments('-l' + link_lib, language: 'c')
+ dpdk_extra_ldflags += '-l' + link_lib
endif
-add_project_link_arguments('-l' + link_lib, language: 'c')
-dpdk_extra_ldflags += '-l' + link_lib
# check for libraries used in multiple places in DPDK
has_libnuma = 0
dpdk_extra_ldflags += '-lnuma'
endif
-# check for strlcpy
-if host_machine.system() == 'linux' and cc.find_library('bsd',
- required: false).found() and cc.has_header('bsd/string.h')
+# check for libbsd
+libbsd = dependency('libbsd', required: false)
+if libbsd.found()
dpdk_conf.set('RTE_USE_LIBBSD', 1)
- add_project_link_arguments('-lbsd', language: 'c')
- dpdk_extra_ldflags += '-lbsd'
+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 = cc.find_library('pcap', required: false)
+endif
+if pcap_dep.found() and cc.has_header('pcap.h', dependencies: pcap_dep)
+ dpdk_conf.set('RTE_PORT_PCAP', 1)
+ 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
# enable extra warnings and disable any unwanted warnings
warning_flags = [
- '-Wsign-compare',
+ # -Wall is added by meson by default, so add -Wextra only
+ '-Wextra',
+
+ # additional warnings in alphabetical order
'-Wcast-qual',
- '-Wno-address-of-packed-member'
+ '-Wdeprecated',
+ '-Wformat-nonliteral',
+ '-Wformat-security',
+ '-Wmissing-declarations',
+ '-Wmissing-prototypes',
+ '-Wnested-externs',
+ '-Wold-style-definition',
+ '-Wpointer-arith',
+ '-Wsign-compare',
+ '-Wstrict-prototypes',
+ '-Wundef',
+ '-Wwrite-strings',
+
+ # globally disabled warnings
+ '-Wno-address-of-packed-member',
+ '-Wno-packed-not-aligned',
+ '-Wno-missing-field-initializers'
]
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 = [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_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
+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)
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'
+ arch_subdir = 'ppc'
endif
subdir(arch_subdir)
dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
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', host_machine.system() == 'linux')
+dpdk_conf.set('RTE_EAL_VFIO', is_linux)
+
+# specify -D_GNU_SOURCE unconditionally
+add_project_arguments('-D_GNU_SOURCE', language: 'c')
+
+# specify -D__BSD_VISIBLE for FreeBSD
+if is_freebsd
+ add_project_arguments('-D__BSD_VISIBLE', language: 'c')
+endif
+
+if is_windows
+ # Minimum supported API is Windows 7.
+ add_project_arguments('-D_WIN32_WINNT=0x0601', 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
+endif
+
+if get_option('b_lto')
+ if cc.has_argument('-ffat-lto-objects')
+ add_project_arguments('-ffat-lto-objects', language: 'c')
+ else
+ error('compiler does not support fat LTO objects - please turn LTO off')
+ endif
+ # workaround for gcc bug 81440
+ if cc.get_id() == 'gcc' and cc.version().version_compare('<8.0')
+ add_project_arguments('-Wno-lto-type-mismatch', language: 'c')
+ add_project_link_arguments('-Wno-lto-type-mismatch', language: 'c')
+ endif
+endif
git.droids-corp.org / dpdk.git / blobdiff