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meson.build
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meson.build
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# SPDX-License-Identifier: LGPL-2.1+
#
# Copyright 2017 Zbigniew Jędrzejewski-Szmek
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# systemd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <http:https://www.gnu.org/licenses/>.
project('systemd', 'c',
version : '238',
license : 'LGPLv2+',
default_options: [
'c_std=gnu99',
'prefix=/usr',
'sysconfdir=/etc',
'localstatedir=/var',
],
meson_version : '>= 0.41',
)
libsystemd_version = '0.22.0'
libudev_version = '1.6.10'
# We need the same data in three different formats, ugh!
# Also, for hysterical reasons, we use different variable
# names, sometimes. Not all variables are included in every
# set. Ugh, ugh, ugh!
conf = configuration_data()
conf.set_quoted('PACKAGE_STRING', meson.project_name() + ' ' + meson.project_version())
conf.set_quoted('PACKAGE_VERSION', meson.project_version())
substs = configuration_data()
substs.set('PACKAGE_URL', 'https://www.freedesktop.org/wiki/Software/systemd')
substs.set('PACKAGE_VERSION', meson.project_version())
m4_defines = []
#####################################################################
# Try to install the git pre-commit hook
git_hook = run_command(join_paths(meson.source_root(), 'tools/add-git-hook.sh'))
if git_hook.returncode() == 0
message(git_hook.stdout().strip())
endif
#####################################################################
if get_option('split-usr') == 'auto'
split_usr = run_command('test', '-L', '/bin').returncode() != 0
else
split_usr = get_option('split-usr') == 'true'
endif
conf.set10('HAVE_SPLIT_USR', split_usr,
description : '/usr/bin and /bin directories are separate')
if get_option('split-bin') == 'auto'
split_bin = run_command('test', '-L', '/usr/sbin').returncode() != 0
else
split_bin = get_option('split-bin') == 'true'
endif
conf.set10('HAVE_SPLIT_BIN', split_bin,
description : 'bin and sbin directories are separate')
rootprefixdir = get_option('rootprefix')
# Unusual rootprefixdir values are used by some distros
# (see https://github.com/systemd/systemd/pull/7461).
rootprefix_default = split_usr ? '/' : '/usr'
if rootprefixdir == ''
rootprefixdir = rootprefix_default
endif
sysvinit_path = get_option('sysvinit-path')
sysvrcnd_path = get_option('sysvrcnd-path')
have = sysvinit_path != '' and sysvrcnd_path != ''
conf.set10('HAVE_SYSV_COMPAT', have,
description : 'SysV init scripts and rcN.d links are supported')
m4_defines += have ? ['-DHAVE_SYSV_COMPAT'] : []
# join_paths ignore the preceding arguments if an absolute component is
# encountered, so this should canonicalize various paths when they are
# absolute or relative.
prefixdir = get_option('prefix')
if not prefixdir.startswith('/')
error('Prefix is not absolute: "@0@"'.format(prefixdir))
endif
bindir = join_paths(prefixdir, get_option('bindir'))
libdir = join_paths(prefixdir, get_option('libdir'))
sysconfdir = join_paths(prefixdir, get_option('sysconfdir'))
includedir = join_paths(prefixdir, get_option('includedir'))
datadir = join_paths(prefixdir, get_option('datadir'))
localstatedir = join_paths('/', get_option('localstatedir'))
rootbindir = join_paths(rootprefixdir, 'bin')
rootsbindir = join_paths(rootprefixdir, split_bin ? 'sbin' : 'bin')
rootlibexecdir = join_paths(rootprefixdir, 'lib/systemd')
rootlibdir = get_option('rootlibdir')
if rootlibdir == ''
rootlibdir = join_paths(rootprefixdir, libdir.split('/')[-1])
endif
# Dirs of external packages
pkgconfigdatadir = join_paths(datadir, 'pkgconfig')
pkgconfiglibdir = join_paths(libdir, 'pkgconfig')
polkitpolicydir = join_paths(datadir, 'polkit-1/actions')
polkitrulesdir = join_paths(datadir, 'polkit-1/rules.d')
polkitpkladir = join_paths(localstatedir, 'lib/polkit-1/localauthority/10-vendor.d')
varlogdir = join_paths(localstatedir, 'log')
xinitrcdir = join_paths(sysconfdir, 'X11/xinit/xinitrc.d')
rpmmacrosdir = get_option('rpmmacrosdir')
if rpmmacrosdir != 'no'
rpmmacrosdir = join_paths(prefixdir, rpmmacrosdir)
endif
modprobedir = join_paths(rootprefixdir, 'lib/modprobe.d')
# Our own paths
pkgdatadir = join_paths(datadir, 'systemd')
environmentdir = join_paths(prefixdir, 'lib/environment.d')
pkgsysconfdir = join_paths(sysconfdir, 'systemd')
userunitdir = join_paths(prefixdir, 'lib/systemd/user')
userpresetdir = join_paths(prefixdir, 'lib/systemd/user-preset')
tmpfilesdir = join_paths(prefixdir, 'lib/tmpfiles.d')
sysusersdir = join_paths(prefixdir, 'lib/sysusers.d')
sysctldir = join_paths(prefixdir, 'lib/sysctl.d')
binfmtdir = join_paths(prefixdir, 'lib/binfmt.d')
modulesloaddir = join_paths(prefixdir, 'lib/modules-load.d')
networkdir = join_paths(rootprefixdir, 'lib/systemd/network')
pkgincludedir = join_paths(includedir, 'systemd')
systemgeneratordir = join_paths(rootlibexecdir, 'system-generators')
usergeneratordir = join_paths(prefixdir, 'lib/systemd/user-generators')
systemenvgeneratordir = join_paths(prefixdir, 'lib/systemd/system-environment-generators')
userenvgeneratordir = join_paths(prefixdir, 'lib/systemd/user-environment-generators')
systemshutdowndir = join_paths(rootlibexecdir, 'system-shutdown')
systemsleepdir = join_paths(rootlibexecdir, 'system-sleep')
systemunitdir = join_paths(rootprefixdir, 'lib/systemd/system')
systempresetdir = join_paths(rootprefixdir, 'lib/systemd/system-preset')
udevlibexecdir = join_paths(rootprefixdir, 'lib/udev')
udevhomedir = udevlibexecdir
udevrulesdir = join_paths(udevlibexecdir, 'rules.d')
udevhwdbdir = join_paths(udevlibexecdir, 'hwdb.d')
catalogdir = join_paths(prefixdir, 'lib/systemd/catalog')
kernelinstalldir = join_paths(prefixdir, 'lib/kernel/install.d')
factorydir = join_paths(datadir, 'factory')
bootlibdir = join_paths(prefixdir, 'lib/systemd/boot/efi')
testsdir = join_paths(prefixdir, 'lib/systemd/tests')
systemdstatedir = join_paths(localstatedir, 'lib/systemd')
catalogstatedir = join_paths(systemdstatedir, 'catalog')
randomseeddir = join_paths(localstatedir, 'lib/systemd')
docdir = get_option('docdir')
if docdir == ''
docdir = join_paths(datadir, 'doc/systemd')
endif
dbuspolicydir = get_option('dbuspolicydir')
if dbuspolicydir == ''
dbuspolicydir = join_paths(datadir, 'dbus-1/system.d')
endif
dbussessionservicedir = get_option('dbussessionservicedir')
if dbussessionservicedir == ''
dbussessionservicedir = join_paths(datadir, 'dbus-1/services')
endif
dbussystemservicedir = get_option('dbussystemservicedir')
if dbussystemservicedir == ''
dbussystemservicedir = join_paths(datadir, 'dbus-1/system-services')
endif
pamlibdir = get_option('pamlibdir')
if pamlibdir == ''
pamlibdir = join_paths(rootlibdir, 'security')
endif
pamconfdir = get_option('pamconfdir')
if pamconfdir == ''
pamconfdir = join_paths(sysconfdir, 'pam.d')
endif
memory_accounting_default = get_option('memory-accounting-default')
conf.set_quoted('PKGSYSCONFDIR', pkgsysconfdir)
conf.set_quoted('SYSTEM_CONFIG_UNIT_PATH', join_paths(pkgsysconfdir, 'system'))
conf.set_quoted('SYSTEM_DATA_UNIT_PATH', systemunitdir)
conf.set_quoted('SYSTEM_SYSVINIT_PATH', sysvinit_path)
conf.set_quoted('SYSTEM_SYSVRCND_PATH', sysvrcnd_path)
conf.set_quoted('RC_LOCAL_SCRIPT_PATH_START', get_option('rc-local'))
conf.set_quoted('RC_LOCAL_SCRIPT_PATH_STOP', get_option('halt-local'))
conf.set('ANSI_OK_COLOR', 'ANSI_' + get_option('ok-color').underscorify().to_upper())
conf.set_quoted('USER_CONFIG_UNIT_PATH', join_paths(pkgsysconfdir, 'user'))
conf.set_quoted('USER_DATA_UNIT_PATH', userunitdir)
conf.set_quoted('CERTIFICATE_ROOT', get_option('certificate-root'))
conf.set_quoted('CATALOG_DATABASE', join_paths(catalogstatedir, 'database'))
conf.set_quoted('SYSTEMD_CGROUP_AGENT_PATH', join_paths(rootlibexecdir, 'systemd-cgroups-agent'))
conf.set_quoted('SYSTEMD_BINARY_PATH', join_paths(rootlibexecdir, 'systemd'))
conf.set_quoted('SYSTEMD_FSCK_PATH', join_paths(rootlibexecdir, 'systemd-fsck'))
conf.set_quoted('SYSTEMD_MAKEFS_PATH', join_paths(rootlibexecdir, 'systemd-makefs'))
conf.set_quoted('SYSTEMD_GROWFS_PATH', join_paths(rootlibexecdir, 'systemd-growfs'))
conf.set_quoted('SYSTEMD_SHUTDOWN_BINARY_PATH', join_paths(rootlibexecdir, 'systemd-shutdown'))
conf.set_quoted('SYSTEMD_SLEEP_BINARY_PATH', join_paths(rootlibexecdir, 'systemd-sleep'))
conf.set_quoted('SYSTEMCTL_BINARY_PATH', join_paths(rootbindir, 'systemctl'))
conf.set_quoted('SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH', join_paths(rootbindir, 'systemd-tty-ask-password-agent'))
conf.set_quoted('SYSTEMD_STDIO_BRIDGE_BINARY_PATH', join_paths(bindir, 'systemd-stdio-bridge'))
conf.set_quoted('ROOTPREFIX', rootprefixdir)
conf.set_quoted('RANDOM_SEED_DIR', randomseeddir)
conf.set_quoted('RANDOM_SEED', join_paths(randomseeddir, 'random-seed'))
conf.set_quoted('SYSTEMD_CRYPTSETUP_PATH', join_paths(rootlibexecdir, 'systemd-cryptsetup'))
conf.set_quoted('SYSTEM_GENERATOR_PATH', systemgeneratordir)
conf.set_quoted('USER_GENERATOR_PATH', usergeneratordir)
conf.set_quoted('SYSTEM_ENV_GENERATOR_PATH', systemenvgeneratordir)
conf.set_quoted('USER_ENV_GENERATOR_PATH', userenvgeneratordir)
conf.set_quoted('SYSTEM_SHUTDOWN_PATH', systemshutdowndir)
conf.set_quoted('SYSTEM_SLEEP_PATH', systemsleepdir)
conf.set_quoted('SYSTEMD_KBD_MODEL_MAP', join_paths(pkgdatadir, 'kbd-model-map'))
conf.set_quoted('SYSTEMD_LANGUAGE_FALLBACK_MAP', join_paths(pkgdatadir, 'language-fallback-map'))
conf.set_quoted('UDEVLIBEXECDIR', udevlibexecdir)
conf.set_quoted('POLKIT_AGENT_BINARY_PATH', join_paths(bindir, 'pkttyagent'))
conf.set_quoted('LIBDIR', libdir)
conf.set_quoted('ROOTLIBDIR', rootlibdir)
conf.set_quoted('ROOTLIBEXECDIR', rootlibexecdir)
conf.set_quoted('BOOTLIBDIR', bootlibdir)
conf.set_quoted('SYSTEMD_PULL_PATH', join_paths(rootlibexecdir, 'systemd-pull'))
conf.set_quoted('SYSTEMD_IMPORT_PATH', join_paths(rootlibexecdir, 'systemd-import'))
conf.set_quoted('SYSTEMD_EXPORT_PATH', join_paths(rootlibexecdir, 'systemd-export'))
conf.set_quoted('VENDOR_KEYRING_PATH', join_paths(rootlibexecdir, 'import-pubring.gpg'))
conf.set_quoted('USER_KEYRING_PATH', join_paths(pkgsysconfdir, 'import-pubring.gpg'))
conf.set_quoted('DOCUMENT_ROOT', join_paths(pkgdatadir, 'gatewayd'))
conf.set('MEMORY_ACCOUNTING_DEFAULT', memory_accounting_default ? 'true' : 'false')
conf.set_quoted('MEMORY_ACCOUNTING_DEFAULT_YES_NO', memory_accounting_default ? 'yes' : 'no')
conf.set_quoted('ABS_BUILD_DIR', meson.build_root())
conf.set_quoted('ABS_SRC_DIR', meson.source_root())
substs.set('prefix', prefixdir)
substs.set('exec_prefix', prefixdir)
substs.set('libdir', libdir)
substs.set('rootlibdir', rootlibdir)
substs.set('includedir', includedir)
substs.set('pkgsysconfdir', pkgsysconfdir)
substs.set('bindir', bindir)
substs.set('rootbindir', rootbindir)
substs.set('rootlibexecdir', rootlibexecdir)
substs.set('systemunitdir', systemunitdir)
substs.set('userunitdir', userunitdir)
substs.set('systempresetdir', systempresetdir)
substs.set('userpresetdir', userpresetdir)
substs.set('udevhwdbdir', udevhwdbdir)
substs.set('udevrulesdir', udevrulesdir)
substs.set('udevlibexecdir', udevlibexecdir)
substs.set('catalogdir', catalogdir)
substs.set('tmpfilesdir', tmpfilesdir)
substs.set('sysusersdir', sysusersdir)
substs.set('sysctldir', sysctldir)
substs.set('binfmtdir', binfmtdir)
substs.set('modulesloaddir', modulesloaddir)
substs.set('systemgeneratordir', systemgeneratordir)
substs.set('usergeneratordir', usergeneratordir)
substs.set('systemenvgeneratordir', systemenvgeneratordir)
substs.set('userenvgeneratordir', userenvgeneratordir)
substs.set('systemshutdowndir', systemshutdowndir)
substs.set('systemsleepdir', systemsleepdir)
substs.set('VARLOGDIR', varlogdir)
substs.set('CERTIFICATEROOT', get_option('certificate-root'))
substs.set('SYSTEMCTL', join_paths(rootbindir, 'systemctl'))
substs.set('RANDOM_SEED', join_paths(randomseeddir, 'random-seed'))
substs.set('SYSTEM_SYSVINIT_PATH', sysvinit_path)
substs.set('SYSTEM_SYSVRCND_PATH', sysvrcnd_path)
substs.set('RC_LOCAL_SCRIPT_PATH_START', get_option('rc-local'))
substs.set('RC_LOCAL_SCRIPT_PATH_STOP', get_option('halt-local'))
substs.set('MEMORY_ACCOUNTING_DEFAULT', memory_accounting_default ? 'yes' : 'no')
#####################################################################
cc = meson.get_compiler('c')
pkgconfig = import('pkgconfig')
check_compilation_sh = find_program('tools/meson-check-compilation.sh')
meson_build_sh = find_program('tools/meson-build.sh')
if get_option('tests') != 'false'
cxx = find_program('c++', required : false)
if cxx.found()
# Used only for tests
add_languages('cpp')
endif
endif
want_ossfuzz = get_option('oss-fuzz')
want_libfuzzer = get_option('llvm-fuzz')
fuzzer_build = want_ossfuzz or want_libfuzzer
if want_ossfuzz and want_libfuzzer
error('only one of oss-fuzz and llvm-fuzz can be specified')
endif
if want_libfuzzer
fuzzing_engine = meson.get_compiler('cpp').find_library('Fuzzer')
endif
if want_ossfuzz
fuzzing_engine = meson.get_compiler('cpp').find_library('FuzzingEngine')
endif
foreach arg : ['-Wextra',
'-Werror=undef',
'-Wlogical-op',
'-Wmissing-include-dirs',
'-Wold-style-definition',
'-Wpointer-arith',
'-Winit-self',
'-Wdeclaration-after-statement',
'-Wfloat-equal',
'-Wsuggest-attribute=noreturn',
'-Werror=missing-prototypes',
'-Werror=implicit-function-declaration',
'-Werror=missing-declarations',
'-Werror=return-type',
'-Werror=incompatible-pointer-types',
'-Werror=format=2',
'-Wstrict-prototypes',
'-Wredundant-decls',
'-Wmissing-noreturn',
'-Wimplicit-fallthrough=5',
'-Wshadow',
'-Wendif-labels',
'-Wstrict-aliasing=2',
'-Wwrite-strings',
'-Werror=overflow',
'-Wdate-time',
'-Wnested-externs',
'-ffast-math',
'-fno-common',
'-fdiagnostics-show-option',
'-fno-strict-aliasing',
'-fvisibility=hidden',
'-fstack-protector',
'-fstack-protector-strong',
'--param=ssp-buffer-size=4',
]
if cc.has_argument(arg)
add_project_arguments(arg, language : 'c')
endif
endforeach
# the oss-fuzz fuzzers are not built with -fPIE, so don't
# enable it when we are linking against them
if not fuzzer_build
if cc.has_argument('-fPIE')
add_project_arguments('-fPIE', language : 'c')
endif
endif
# "negative" arguments: gcc on purpose does not return an error for "-Wno-"
# arguments, just emits a warnings. So test for the "positive" version instead.
foreach arg : ['unused-parameter',
'missing-field-initializers',
'unused-result',
'format-signedness',
'error=nonnull', # work-around for gcc 7.1 turning this on on its own
]
if cc.has_argument('-W' + arg)
add_project_arguments('-Wno-' + arg, language : 'c')
endif
endforeach
if cc.compiles('''
#include <time.h>
#include <inttypes.h>
typedef uint64_t usec_t;
usec_t now(clockid_t clock);
int main(void) {
struct timespec now;
return 0;
}
''', name : '-Werror=shadow with local shadowing')
add_project_arguments('-Werror=shadow', language : 'c')
endif
if cc.get_id() == 'clang'
foreach arg : ['-Wno-typedef-redefinition',
'-Wno-gnu-variable-sized-type-not-at-end',
]
if cc.has_argument(arg,
name : '@0@ is supported'.format(arg))
add_project_arguments(arg, language : 'c')
endif
endforeach
endif
link_test_c = files('tools/meson-link-test.c')
# --as-needed and --no-undefined are provided by meson by default,
# run mesonconf to see what is enabled
foreach arg : ['-Wl,-z,relro',
'-Wl,-z,now',
'-pie',
]
have = run_command(check_compilation_sh,
cc.cmd_array(), '-x', 'c', arg,
'-include', link_test_c).returncode() == 0
message('Linking with @0@ supported: @1@'.format(arg, have ? 'yes' : 'no'))
if have and (arg != '-pie' or not fuzzer_build)
add_project_link_arguments(arg, language : 'c')
endif
endforeach
if get_option('buildtype') != 'debug'
foreach arg : ['-ffunction-sections',
'-fdata-sections']
if cc.has_argument(arg,
name : '@0@ is supported'.format(arg))
add_project_arguments(arg, language : 'c')
endif
endforeach
foreach arg : ['-Wl,--gc-sections']
have = run_command(check_compilation_sh,
cc.cmd_array(), '-x', 'c', arg,
'-include', link_test_c).returncode() == 0
message('Linking with @0@ supported: @1@'.format(arg, have ? 'yes' : 'no'))
if have
add_project_link_arguments(arg, language : 'c')
endif
endforeach
endif
cpp = ' '.join(cc.cmd_array()) + ' -E'
#####################################################################
# compilation result tests
conf.set('_GNU_SOURCE', true)
conf.set('__SANE_USERSPACE_TYPES__', true)
conf.set('SIZEOF_PID_T', cc.sizeof('pid_t', prefix : '#include <sys/types.h>'))
conf.set('SIZEOF_UID_T', cc.sizeof('uid_t', prefix : '#include <sys/types.h>'))
conf.set('SIZEOF_GID_T', cc.sizeof('gid_t', prefix : '#include <sys/types.h>'))
conf.set('SIZEOF_DEV_T', cc.sizeof('dev_t', prefix : '#include <sys/types.h>'))
conf.set('SIZEOF_INO_T', cc.sizeof('ino_t', prefix : '#include <sys/types.h>'))
conf.set('SIZEOF_TIME_T', cc.sizeof('time_t', prefix : '#include <sys/time.h>'))
conf.set('SIZEOF_RLIM_T', cc.sizeof('rlim_t', prefix : '#include <sys/resource.h>'))
decl_headers = '''
#include <uchar.h>
#include <linux/ethtool.h>
#include <linux/fib_rules.h>
#include <linux/stat.h>
#include <sys/stat.h>
'''
# FIXME: key_serial_t is only defined in keyutils.h, this is bound to fail
foreach decl : ['char16_t',
'char32_t',
'key_serial_t',
'struct ethtool_link_settings',
'struct fib_rule_uid_range',
'struct statx',
]
# We get -1 if the size cannot be determined
have = cc.sizeof(decl, prefix : decl_headers) > 0
conf.set10('HAVE_' + decl.underscorify().to_upper(), have)
endforeach
foreach decl : [['IFLA_INET6_ADDR_GEN_MODE', 'linux/if_link.h'],
['IN6_ADDR_GEN_MODE_STABLE_PRIVACY', 'linux/if_link.h'],
['IFLA_VRF_TABLE', 'linux/if_link.h'],
['IFLA_MACVLAN_FLAGS', 'linux/if_link.h'],
['IFLA_IPVLAN_FLAGS', 'linux/if_link.h'],
['IFLA_PHYS_PORT_ID', 'linux/if_link.h'],
['IFLA_BOND_AD_INFO', 'linux/if_link.h'],
['IFLA_VLAN_PROTOCOL', 'linux/if_link.h'],
['IFLA_VXLAN_REMCSUM_NOPARTIAL', 'linux/if_link.h'],
['IFLA_VXLAN_GPE', 'linux/if_link.h'],
['IFLA_GENEVE_LABEL', 'linux/if_link.h'],
# if_tunnel.h is buggy and cannot be included on its own
['IFLA_VTI_REMOTE', 'linux/if_tunnel.h', '#include <net/if.h>'],
['IFLA_IPTUN_ENCAP_DPORT', 'linux/if_tunnel.h', '#include <net/if.h>'],
['IFLA_GRE_ENCAP_DPORT', 'linux/if_tunnel.h', '#include <net/if.h>'],
['IFLA_BRIDGE_VLAN_INFO', 'linux/if_bridge.h'],
['IFLA_BRPORT_PROXYARP', 'linux/if_link.h'],
['IFLA_BRPORT_LEARNING_SYNC', 'linux/if_link.h'],
['IFLA_BR_VLAN_DEFAULT_PVID', 'linux/if_link.h'],
['IPVLAN_F_PRIVATE', 'linux/if_link.h'],
['NDA_IFINDEX', 'linux/neighbour.h'],
['IFA_FLAGS', 'linux/if_addr.h'],
['FRA_UID_RANGE', 'linux/fib_rules.h'],
['LO_FLAGS_PARTSCAN', 'linux/loop.h'],
['VXCAN_INFO_PEER', 'linux/can/vxcan.h'],
]
prefix = decl.length() > 2 ? decl[2] : ''
have = cc.has_header_symbol(decl[1], decl[0], prefix : prefix)
conf.set10('HAVE_' + decl[0], have)
endforeach
foreach ident : ['secure_getenv', '__secure_getenv']
conf.set10('HAVE_' + ident.to_upper(), cc.has_function(ident))
endforeach
foreach ident : [
['memfd_create', '''#include <sys/mman.h>'''],
['gettid', '''#include <sys/types.h>
#include <unistd.h>'''],
['pivot_root', '''#include <stdlib.h>
#include <unistd.h>'''], # no known header declares pivot_root
['name_to_handle_at', '''#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>'''],
['setns', '''#include <sched.h>'''],
['renameat2', '''#include <stdio.h>
#include <fcntl.h>'''],
['kcmp', '''#include <linux/kcmp.h>'''],
['keyctl', '''#include <sys/types.h>
#include <keyutils.h>'''],
['copy_file_range', '''#include <sys/syscall.h>
#include <unistd.h>'''],
['bpf', '''#include <sys/syscall.h>
#include <unistd.h>'''],
['statx', '''#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>'''],
['explicit_bzero' , '''#include <string.h>'''],
['reallocarray', '''#include <malloc.h>'''],
]
have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE')
conf.set10('HAVE_' + ident[0].to_upper(), have)
endforeach
if cc.has_function('getrandom', prefix : '''#include <sys/random.h>''', args : '-D_GNU_SOURCE')
conf.set10('USE_SYS_RANDOM_H', true)
conf.set10('HAVE_GETRANDOM', true)
else
have = cc.has_function('getrandom', prefix : '''#include <linux/random.h>''')
conf.set10('USE_SYS_RANDOM_H', false)
conf.set10('HAVE_GETRANDOM', have)
endif
#####################################################################
sed = find_program('sed')
awk = find_program('awk')
m4 = find_program('m4')
stat = find_program('stat')
git = find_program('git', required : false)
env = find_program('env')
meson_make_symlink = meson.source_root() + '/tools/meson-make-symlink.sh'
mkdir_p = 'mkdir -p $DESTDIR/@0@'
test_efi_create_disk_sh = find_program('test/test-efi-create-disk.sh')
splash_bmp = files('test/splash.bmp')
# if -Dxxx-path option is found, use that. Otherwise, check in $PATH,
# /usr/sbin, /sbin, and fall back to the default from middle column.
progs = [['quotaon', '/usr/sbin/quotaon' ],
['quotacheck', '/usr/sbin/quotacheck' ],
['kill', '/usr/bin/kill' ],
['kmod', '/usr/bin/kmod' ],
['kexec', '/usr/sbin/kexec' ],
['sulogin', '/usr/sbin/sulogin' ],
['mount', '/usr/bin/mount', 'MOUNT_PATH'],
['umount', '/usr/bin/umount', 'UMOUNT_PATH'],
['loadkeys', '/usr/bin/loadkeys', 'KBD_LOADKEYS'],
['setfont', '/usr/bin/setfont', 'KBD_SETFONT'],
]
foreach prog : progs
path = get_option(prog[0] + '-path')
if path != ''
message('Using @1@ for @0@'.format(prog[0], path))
else
exe = find_program(prog[0],
'/usr/sbin/' + prog[0],
'/sbin/' + prog[0],
required: false)
path = exe.found() ? exe.path() : prog[1]
endif
name = prog.length() > 2 ? prog[2] : prog[0].to_upper()
conf.set_quoted(name, path)
substs.set(name, path)
endforeach
conf.set_quoted('TELINIT', get_option('telinit-path'))
if run_command('ln', '--relative', '--help').returncode() != 0
error('ln does not support --relative (added in coreutils 8.16)')
endif
############################################################
gperf = find_program('gperf')
gperf_test_format = '''
#include <string.h>
const char * in_word_set(const char *, @0@);
@1@
'''
gperf_snippet_format = 'echo foo,bar | @0@ -L ANSI-C'
gperf_snippet = run_command('sh', '-c', gperf_snippet_format.format(gperf.path()))
gperf_test = gperf_test_format.format('size_t', gperf_snippet.stdout())
if cc.compiles(gperf_test)
gperf_len_type = 'size_t'
else
gperf_test = gperf_test_format.format('unsigned', gperf_snippet.stdout())
if cc.compiles(gperf_test)
gperf_len_type = 'unsigned'
else
error('unable to determine gperf len type')
endif
endif
message('gperf len type is @0@'.format(gperf_len_type))
conf.set('GPERF_LEN_TYPE', gperf_len_type,
description : 'The type of gperf "len" parameter')
############################################################
if not cc.has_header('sys/capability.h')
error('POSIX caps headers not found')
endif
foreach header : ['crypt.h',
'linux/btrfs.h',
'linux/memfd.h',
'linux/vm_sockets.h',
'sys/auxv.h',
'valgrind/memcheck.h',
'valgrind/valgrind.h',
]
conf.set10('HAVE_' + header.underscorify().to_upper(),
cc.has_header(header))
endforeach
############################################################
conf.set_quoted('FALLBACK_HOSTNAME', get_option('fallback-hostname'))
conf.set10('ENABLE_COMPAT_GATEWAY_HOSTNAME', get_option('compat-gateway-hostname'))
gateway_hostnames = ['_gateway'] + (conf.get('ENABLE_COMPAT_GATEWAY_HOSTNAME') == 1 ? ['gateway'] : [])
default_hierarchy = get_option('default-hierarchy')
conf.set_quoted('DEFAULT_HIERARCHY_NAME', default_hierarchy,
description : 'default cgroup hierarchy as string')
if default_hierarchy == 'legacy'
conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_NONE')
elif default_hierarchy == 'hybrid'
conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_SYSTEMD')
else
conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_ALL')
endif
time_epoch = get_option('time-epoch')
if time_epoch == ''
NEWS = files('NEWS')
time_epoch = run_command(stat, '-c', '%Y', NEWS).stdout()
endif
time_epoch = time_epoch.to_int()
conf.set('TIME_EPOCH', time_epoch)
system_uid_max = get_option('system-uid-max')
if system_uid_max == ''
system_uid_max = run_command(
awk,
'/^\s*SYS_UID_MAX\s+/ { uid=$2 } END { print uid }',
'/etc/login.defs').stdout().strip()
if system_uid_max == ''
system_uid_max = '999'
endif
endif
system_uid_max = system_uid_max.to_int()
conf.set('SYSTEM_UID_MAX', system_uid_max)
substs.set('systemuidmax', system_uid_max)
message('maximum system UID is @0@'.format(system_uid_max))
system_gid_max = get_option('system-gid-max')
if system_gid_max == ''
system_gid_max = run_command(
awk,
'/^\s*SYS_GID_MAX\s+/ { gid=$2 } END { print gid }',
'/etc/login.defs').stdout().strip()
if system_gid_max == ''
system_gid_max = '999'
endif
endif
system_gid_max = system_gid_max.to_int()
conf.set('SYSTEM_GID_MAX', system_gid_max)
substs.set('systemgidmax', system_gid_max)
message('maximum system GID is @0@'.format(system_gid_max))
dynamic_uid_min = get_option('dynamic-uid-min').to_int()
dynamic_uid_max = get_option('dynamic-uid-max').to_int()
conf.set('DYNAMIC_UID_MIN', dynamic_uid_min)
conf.set('DYNAMIC_UID_MAX', dynamic_uid_max)
substs.set('dynamicuidmin', dynamic_uid_min)
substs.set('dynamicuidmax', dynamic_uid_max)
container_uid_base_min = get_option('container-uid-base-min').to_int()
container_uid_base_max = get_option('container-uid-base-max').to_int()
conf.set('CONTAINER_UID_BASE_MIN', container_uid_base_min)
conf.set('CONTAINER_UID_BASE_MAX', container_uid_base_max)
substs.set('containeruidbasemin', container_uid_base_min)
substs.set('containeruidbasemax', container_uid_base_max)
nobody_user = get_option('nobody-user')
nobody_group = get_option('nobody-group')
getent_result = run_command('getent', 'passwd', '65534')
if getent_result.returncode() == 0
name = getent_result.stdout().split(':')[0]
if name != nobody_user
message('WARNING:\n' +
' The local user with the UID 65534 does not match the configured user name "@0@" of the nobody user (its name is @1@).\n'.format(nobody_user, name) +
' Your build will result in an user table setup that is incompatible with the local system.')
endif
endif
id_result = run_command('id', '-u', nobody_user)
if id_result.returncode() == 0
id = id_result.stdout().to_int()
if id != 65534
message('WARNING:\n' +
' The local user with the configured user name "@0@" of the nobody user does not have UID 65534 (it has @1@).\n'.format(nobody_user, id) +
' Your build will result in an user table setup that is incompatible with the local system.')
endif
endif
getent_result = run_command('getent', 'group', '65534')
if getent_result.returncode() == 0
name = getent_result.stdout().split(':')[0]
if name != nobody_group
message('WARNING:\n' +
' The local group with the GID 65534 does not match the configured group name "@0@" of the nobody group (its name is @1@).\n'.format(nobody_group, name) +
' Your build will result in an group table setup that is incompatible with the local system.')
endif
endif
id_result = run_command('id', '-g', nobody_group)
if id_result.returncode() == 0
id = id_result.stdout().to_int()
if id != 65534
message('WARNING:\n' +
' The local group with the configured group name "@0@" of the nobody group does not have UID 65534 (it has @1@).\n'.format(nobody_group, id) +
' Your build will result in an group table setup that is incompatible with the local system.')
endif
endif
if nobody_user != nobody_group and not (nobody_user == 'nobody' and nobody_group == 'nogroup')
message('WARNING:\n' +
' The configured user name "@0@" and group name "@0@" of the nobody user/group are not equivalent.\n'.format(nobody_user, nobody_group) +
' Please re-check that both "nobody-user" and "nobody-group" options are correctly set.')
endif
conf.set_quoted('NOBODY_USER_NAME', nobody_user)
conf.set_quoted('NOBODY_GROUP_NAME', nobody_group)
substs.set('NOBODY_USER_NAME', nobody_user)
substs.set('NOBODY_GROUP_NAME', nobody_group)
tty_gid = get_option('tty-gid')
conf.set('TTY_GID', tty_gid)
substs.set('TTY_GID', tty_gid)
# Ensure provided GID argument is numeric, otherwise fallback to default assignment
if get_option('users-gid') != ''
users_gid = get_option('users-gid').to_int()
else
users_gid = '-'
endif
substs.set('USERS_GID', users_gid)
if get_option('adm-group')
m4_defines += ['-DENABLE_ADM_GROUP']
endif
if get_option('wheel-group')
m4_defines += ['-DENABLE_WHEEL_GROUP']
endif
substs.set('DEV_KVM_MODE', get_option('dev-kvm-mode'))
substs.set('GROUP_RENDER_MODE', get_option('group-render-mode'))
kill_user_processes = get_option('default-kill-user-processes')
conf.set10('KILL_USER_PROCESSES', kill_user_processes)
conf.set_quoted('KILL_USER_PROCESSES_YES_NO', kill_user_processes ? 'yes' : 'no')
substs.set('KILL_USER_PROCESSES', kill_user_processes ? 'yes' : 'no')
dns_servers = get_option('dns-servers')
conf.set_quoted('DNS_SERVERS', dns_servers)
substs.set('DNS_SERVERS', dns_servers)
ntp_servers = get_option('ntp-servers')
conf.set_quoted('NTP_SERVERS', ntp_servers)
substs.set('NTP_SERVERS', ntp_servers)
conf.set_quoted('GETTEXT_PACKAGE', meson.project_name())
substs.set('SUSHELL', get_option('debug-shell'))
substs.set('DEBUGTTY', get_option('debug-tty'))
debug = get_option('debug')
enable_debug_hashmap = false
enable_debug_mmap_cache = false
if debug != ''
foreach name : debug.split(',')
if name == 'hashmap'
enable_debug_hashmap = true
elif name == 'mmap-cache'
enable_debug_mmap_cache = true
else
message('unknown debug option "@0@", ignoring'.format(name))
endif
endforeach
endif
conf.set10('ENABLE_DEBUG_HASHMAP', enable_debug_hashmap)
conf.set10('ENABLE_DEBUG_MMAP_CACHE', enable_debug_mmap_cache)
#####################################################################
threads = dependency('threads')
librt = cc.find_library('rt')
libm = cc.find_library('m')
libdl = cc.find_library('dl')
libcrypt = cc.find_library('crypt')
libcap = dependency('libcap', required : false)
if not libcap.found()
# Compat with Ubuntu 14.04 which ships libcap w/o .pc file
libcap = cc.find_library('cap')
endif
libmount = dependency('mount',
version : fuzzer_build ? '>= 0' : '>= 2.30')
want_seccomp = get_option('seccomp')
if want_seccomp != 'false' and not fuzzer_build
libseccomp = dependency('libseccomp',
version : '>= 2.3.1',
required : want_seccomp == 'true')
have = libseccomp.found()
else
have = false
libseccomp = []
endif
conf.set10('HAVE_SECCOMP', have)
m4_defines += have ? ['-DHAVE_SECCOMP'] : []
want_selinux = get_option('selinux')
if want_selinux != 'false' and not fuzzer_build
libselinux = dependency('libselinux',
version : '>= 2.1.9',
required : want_selinux == 'true')
have = libselinux.found()
else
have = false
libselinux = []
endif
conf.set10('HAVE_SELINUX', have)
m4_defines += have ? ['-DHAVE_SELINUX'] : []
want_apparmor = get_option('apparmor')
if want_apparmor != 'false' and not fuzzer_build
libapparmor = dependency('libapparmor',
required : want_apparmor == 'true')
have = libapparmor.found()
else
have = false
libapparmor = []
endif
conf.set10('HAVE_APPARMOR', have)
m4_defines += have ? ['-DHAVE_APPARMOR'] : []
smack_run_label = get_option('smack-run-label')
if smack_run_label != ''
conf.set_quoted('SMACK_RUN_LABEL', smack_run_label)
m4_defines += ['-DHAVE_SMACK_RUN_LABEL']
endif
want_polkit = get_option('polkit')
install_polkit = false
install_polkit_pkla = false
if want_polkit != 'false' and not fuzzer_build
install_polkit = true
libpolkit = dependency('polkit-gobject-1',
required : false)
if libpolkit.found() and libpolkit.version().version_compare('< 0.106')
message('Old polkit detected, will install pkla files')
install_polkit_pkla = true
endif
endif
conf.set10('ENABLE_POLKIT', install_polkit)
want_acl = get_option('acl')
if want_acl != 'false' and not fuzzer_build
libacl = cc.find_library('acl', required : want_acl == 'true')
have = libacl.found()
else
have = false
libacl = []
endif
conf.set10('HAVE_ACL', have)
m4_defines += have ? ['-DHAVE_ACL'] : []
want_audit = get_option('audit')
if want_audit != 'false' and not fuzzer_build
libaudit = dependency('audit', required : want_audit == 'true')
have = libaudit.found()
else
have = false
libaudit = []
endif
conf.set10('HAVE_AUDIT', have)
want_blkid = get_option('blkid')
if want_blkid != 'false' and not fuzzer_build
libblkid = dependency('blkid', required : want_blkid == 'true')
have = libblkid.found()
else
have = false
libblkid = []
endif
conf.set10('HAVE_BLKID', have)
want_kmod = get_option('kmod')
if want_kmod != 'false' and not fuzzer_build
libkmod = dependency('libkmod',
version : '>= 15',
required : want_kmod == 'true')
have = libkmod.found()
else
have = false
libkmod = []
endif
conf.set10('HAVE_KMOD', have)
want_pam = get_option('pam')
if want_pam != 'false' and not fuzzer_build
libpam = cc.find_library('pam', required : want_pam == 'true')
libpam_misc = cc.find_library('pam_misc', required : want_pam == 'true')
have = libpam.found() and libpam_misc.found()
else
have = false
libpam = []
libpam_misc = []
endif
conf.set10('HAVE_PAM', have)
m4_defines += have ? ['-DHAVE_PAM'] : []
want_microhttpd = get_option('microhttpd')
if want_microhttpd != 'false' and not fuzzer_build
libmicrohttpd = dependency('libmicrohttpd',
version : '>= 0.9.33',
required : want_microhttpd == 'true')
have = libmicrohttpd.found()
else
have = false
libmicrohttpd = []
endif
conf.set10('HAVE_MICROHTTPD', have)
m4_defines += have ? ['-DHAVE_MICROHTTPD'] : []
want_libcryptsetup = get_option('libcryptsetup')
if want_libcryptsetup != 'false' and not fuzzer_build
libcryptsetup = dependency('libcryptsetup',
version : '>= 1.6.0',
required : want_libcryptsetup == 'true')
have = libcryptsetup.found()
else
have = false
libcryptsetup = []
endif
conf.set10('HAVE_LIBCRYPTSETUP', have)
want_libcurl = get_option('libcurl')
if want_libcurl != 'false' and not fuzzer_build
libcurl = dependency('libcurl',
version : '>= 7.32.0',
required : want_libcurl == 'true')
have = libcurl.found()
else
have = false
libcurl = []
endif
conf.set10('HAVE_LIBCURL', have)
m4_defines += have ? ['-DHAVE_LIBCURL'] : []
want_libidn = get_option('libidn')
want_libidn2 = get_option('libidn2')
if want_libidn == 'true' and want_libidn2 == 'true'
error('libidn and libidn2 cannot be requested simultaneously')
endif
if want_libidn != 'false' and want_libidn2 != 'true' and not fuzzer_build
libidn = dependency('libidn',
required : want_libidn == 'true')
have = libidn.found()
else
have = false
libidn = []