X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=config%2Fmeson.build;h=acacba704a10c7a6455da37fbe429ceea7b395cc;hb=759cf9b5632ceb4715bcd4fcc3c09aa3d86ebdb2;hp=b91778e83a7f224e89f2a82cc267568808687131;hpb=d5555fc900a9e95c5ca5bd0773c2720270e49d86;p=dpdk.git diff --git a/config/meson.build b/config/meson.build index b91778e83a..acacba704a 100644 --- a/config/meson.build +++ b/config/meson.build @@ -1,5 +1,53 @@ # 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 + +# 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)) + +# 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('') + pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('')) +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() @@ -46,24 +94,32 @@ dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1) 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' # use pthreads add_project_link_arguments('-pthread', language: 'c') dpdk_extra_ldflags += '-pthread' -# 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('libm', 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 @@ -75,12 +131,10 @@ if numa_dep.found() and cc.has_header('numaif.h') 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 # add -include rte_config to cflags @@ -88,9 +142,28 @@ add_project_arguments('-include', 'rte_config.h', language: 'c') # 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!! @@ -131,4 +204,12 @@ dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path) 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