# 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()
+abi_version = run_command(find_program('cat', 'more'), abi_version_file,
+ check: true).stdout().strip()
# Libraries have the abi_version as the filename extension
# and have the soname be all but the final part of the abi_version.
if not is_windows
meson.add_install_script('../buildtools/symlink-drivers-solibs.sh',
get_option('libdir'), pmd_subdir_opt)
+elif meson.version().version_compare('>=0.55.0')
+ # 0.55.0 is required to use external program with add_install_script
+ meson.add_install_script(py3,
+ files('../buildtools/symlink-drivers-solibs.py'),
+ get_option('libdir'), pmd_subdir_opt, get_option('bindir'))
endif
# init disable/enable driver lists that will be populated in different places
disable_drivers = ''
enable_drivers = ''
-# set the machine type and cflags for it
+platform = get_option('platform')
+
+# set the cpu_instruction_set and cflags for it
if meson.is_cross_build()
- machine = host_machine.cpu()
+ cpu_instruction_set = host_machine.cpu()
else
+ cpu_instruction_set = get_option('cpu_instruction_set')
machine = get_option('machine')
+ if machine != 'auto'
+ warning('The "machine" option is deprecated. ' +
+ 'Please use "cpu_instruction_set" instead.')
+ if cpu_instruction_set != 'auto'
+ error('Setting both "machine" and ' +
+ '"cpu_instruction_set" is unsupported.')
+ endif
+ cpu_instruction_set = machine
+ if cpu_instruction_set == 'default'
+ cpu_instruction_set = 'generic'
+ endif
+ endif
endif
-# machine type 'generic' is special, it selects the per arch agreed common
-# minimal baseline needed for DPDK. Machine type 'default' is also supported
-# with the same meaning for backwards compatibility.
+if platform == 'native'
+ if cpu_instruction_set == 'auto'
+ cpu_instruction_set = 'native'
+ endif
+elif platform == 'generic'
+ if cpu_instruction_set == 'auto'
+ cpu_instruction_set = 'generic'
+ endif
+endif
+
+# cpu_instruction_set 'generic' is special, it selects the per arch agreed
+# common minimal baseline needed for DPDK. cpu_instruction_set 'default' is
+# also supported with the same meaning for backwards compatibility.
# That might not be the most optimized, but the most portable version while
# still being able to support the CPU features required for DPDK.
# This can be bumped up by the DPDK project, but it can never be an
# invariant like 'native'
-if machine == 'default' or machine == 'generic'
+if cpu_instruction_set == 'generic'
if host_machine.cpu_family().startswith('x86')
- # matches the old pre-meson build systems generic machine
- machine = 'corei7'
+ # matches the old pre-meson build systems generic cpu_instruction_set
+ cpu_instruction_set = 'corei7'
elif host_machine.cpu_family().startswith('arm')
- machine = 'armv7-a'
+ cpu_instruction_set = 'armv7-a'
elif host_machine.cpu_family().startswith('aarch')
# arm64 manages generic config in config/arm/meson.build
- machine = 'generic'
+ cpu_instruction_set = 'generic'
elif host_machine.cpu_family().startswith('ppc')
- machine = 'power8'
+ cpu_instruction_set = 'power8'
endif
endif
-dpdk_conf.set('RTE_MACHINE', machine)
+dpdk_conf.set('RTE_MACHINE', cpu_instruction_set)
machine_args = []
# ppc64 does not support -march= at all, use -mcpu and -mtune for that
if host_machine.cpu_family().startswith('ppc')
- machine_args += '-mcpu=' + machine
- machine_args += '-mtune=' + machine
+ machine_args += '-mcpu=' + cpu_instruction_set
+ machine_args += '-mtune=' + cpu_instruction_set
else
- machine_args += '-march=' + machine
+ machine_args += '-march=' + cpu_instruction_set
endif
toolchain = cc.get_id()
dpdk_extra_ldflags += '-lexecinfo'
endif
+libarchive = dependency('libarchive', required: false, method: 'pkg-config')
+if libarchive.found()
+ dpdk_conf.set('RTE_HAS_LIBARCHIVE', 1)
+ # Push libarchive link dependency at the project level to support
+ # statically linking dpdk apps. Details at:
+ # https://inbox.dpdk.org/dev/20210605004024.660267a1@sovereign/
+ add_project_link_arguments('-larchive', language: 'c')
+ dpdk_extra_ldflags += '-larchive'
+endif
+
# check for libbsd
libbsd = dependency('libbsd', required: false, method: 'pkg-config')
if libbsd.found()
dpdk_conf.set('RTE_USE_LIBBSD', 1)
endif
+jansson_dep = dependency('jansson', required: false, method: 'pkg-config')
+if jansson_dep.found()
+ dpdk_conf.set('RTE_HAS_JANSSON', 1)
+endif
+
# check for pcap
pcap_dep = dependency('libpcap', required: false, method: 'pkg-config')
+pcap_lib = is_windows ? 'wpcap' : 'pcap'
if not pcap_dep.found()
# pcap got a pkg-config file only in 1.9.0
- pcap_dep = cc.find_library('pcap', required: false)
+ pcap_dep = cc.find_library(pcap_lib, 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'
+ dpdk_conf.set('RTE_HAS_LIBPCAP', 1)
+ dpdk_extra_ldflags += '-l@0@'.format(pcap_lib)
endif
# for clang 32-bit compiles we need libatomic for 64-bit atomic ops
add_project_arguments('-include', 'rte_config.h', language: 'c')
# enable extra warnings and disable any unwanted warnings
+# -Wall is added by default at warning level 1, and -Wextra
+# at warning level 2 (DPDK default)
warning_flags = [
- # -Wall is added by meson by default, so add -Wextra only
- '-Wextra',
-
# additional warnings in alphabetical order
'-Wcast-qual',
'-Wdeprecated',
endforeach
# set other values pulled from the build options
-dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
-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'))
else # for 32-bit we need smaller reserved memory areas
dpdk_conf.set('RTE_MAX_MEM_MB', 2048)
endif
-
+if get_option('mbuf_refcnt_atomic')
+ dpdk_conf.set('RTE_MBUF_REFCNT_ATOMIC', true)
+endif
compile_time_cpuflags = []
subdir(arch_subdir)
endif
endif
+max_lcores = get_option('max_lcores')
+if max_lcores == 'detect'
+ # discovery makes sense only for non-cross builds
+ if meson.is_cross_build()
+ error('Discovery of max_lcores is not supported for cross-compilation.')
+ endif
+ # overwrite the default value with discovered values
+ max_lcores = run_command(get_cpu_count_cmd, check: true).stdout().to_int()
+ min_lcores = 2
+ # DPDK must be built for at least 2 cores
+ if max_lcores < min_lcores
+ message('Found less than @0@ cores, building for @0@ cores'.format(min_lcores))
+ max_lcores = min_lcores
+ else
+ message('Found @0@ cores'.format(max_lcores))
+ endif
+ dpdk_conf.set('RTE_MAX_LCORE', max_lcores)
+elif max_lcores != 'default'
+ # overwrite the default value from arch_subdir with user input
+ dpdk_conf.set('RTE_MAX_LCORE', max_lcores.to_int())
+endif
+
+max_numa_nodes = get_option('max_numa_nodes')
+if max_numa_nodes == 'detect'
+ # discovery makes sense only for non-cross builds
+ if meson.is_cross_build()
+ error('Discovery of max_numa_nodes not supported for cross-compilation.')
+ endif
+ # overwrite the default value with discovered values
+ max_numa_nodes = run_command(get_numa_count_cmd).stdout().to_int()
+ message('Found @0@ numa nodes'.format(max_numa_nodes))
+ dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes)
+elif max_numa_nodes != 'default'
+ # overwrite the default value from arch_subdir with user input
+ dpdk_conf.set('RTE_MAX_NUMA_NODES', max_numa_nodes.to_int())
+endif
+
+# check that CPU and NUMA counts are set
+if not dpdk_conf.has('RTE_MAX_LCORE')
+ error('Number of CPU cores not specified.')
+endif
+if not dpdk_conf.has('RTE_MAX_NUMA_NODES')
+ error('Number of NUMA nodes not specified.')
+endif
+
# set the install path for the drivers
dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
endif
if is_windows
- # VirtualAlloc2() is available since Windows 10 / Server 2016.
+ # VirtualAlloc2() is available since Windows 10 / Server 2019.
+ # It's essential for EAL, so we don't support older versions.
add_project_arguments('-D_WIN32_WINNT=0x0A00', language: 'c')
# Use MinGW-w64 stdio, because DPDK assumes ANSI-compliant formatting.
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')
endif
endif
+if get_option('b_sanitize') == 'address' or get_option('b_sanitize') == 'address,undefined'
+ if is_windows
+ error('ASan is not supported on windows')
+ endif
+
+ if cc.get_id() == 'gcc'
+ asan_dep = cc.find_library('asan', required: true)
+ if (not cc.links('int main(int argc, char *argv[]) { return 0; }',
+ dependencies: asan_dep))
+ error('broken dependency, "libasan"')
+ endif
+ add_project_link_arguments('-lasan', language: 'c')
+ dpdk_extra_ldflags += '-lasan'
+ endif
+
+ if is_linux and dpdk_conf.get('RTE_ARCH_64')
+ dpdk_conf.set10('RTE_MALLOC_ASAN', true)
+ endif
+endif
+
if get_option('default_library') == 'both'
error( '''
Unsupported value "both" for "default_library" option.