1 # SPDX-License-Identifier: LGPL-2.1-or-later
3 project('systemd', 'c',
13 meson_version : '>= 0.60.0',
16 libsystemd_version = '0.37.0'
17 libudev_version = '1.7.7'
19 conf = configuration_data()
20 conf.set_quoted('PROJECT_URL', 'https://systemd.io/')
21 conf.set('PROJECT_VERSION', meson.project_version(),
22 description : 'Numerical project version (used where a simple number is expected)')
24 # This is to be used instead of meson.source_root(), as the latter will return
25 # the wrong result when systemd is being built as a meson subproject
26 project_source_root = meson.current_source_dir()
27 project_build_root = meson.current_build_dir()
28 relative_source_path = run_command('realpath',
29 '--relative-to=@0@'.format(project_build_root),
31 check : true).stdout().strip()
32 conf.set_quoted('RELATIVE_SOURCE_PATH', relative_source_path)
34 conf.set10('BUILD_MODE_DEVELOPER', get_option('mode') == 'developer',
35 description : 'tailor build to development or release builds')
36 feature = get_option('log-message-verification')
38 have = conf.get('BUILD_MODE_DEVELOPER') == 1
40 have = feature.enabled()
42 conf.set10('LOG_MESSAGE_VERIFICATION', have)
44 want_ossfuzz = get_option('oss-fuzz')
45 want_libfuzzer = get_option('llvm-fuzz')
46 if want_ossfuzz and want_libfuzzer
47 error('only one of oss-fuzz or llvm-fuzz can be specified')
50 fuzzer_build = want_ossfuzz or want_libfuzzer
52 # If we're building *not* for actual fuzzing, allow input samples of any size
53 # (for testing and for reproduction of issues discovered with previously-higher
55 conf.set10('FUZZ_USE_SIZE_LIMIT', fuzzer_build)
57 # We'll set this to '1' for EFI builds in a different place.
58 conf.set10('SD_BOOT', false)
60 # Create a title-less summary section early, so it ends up first in the output.
61 # More items are added later after they have been detected.
62 summary({'build mode' : get_option('mode')})
64 #####################################################################
66 # Try to install the git pre-commit hook
67 add_git_hook_sh = find_program('tools/add-git-hook.sh', required : false)
68 if add_git_hook_sh.found()
69 git_hook = run_command(add_git_hook_sh, check : false)
70 if git_hook.returncode() == 0
71 message(git_hook.stdout().strip())
75 #####################################################################
78 if get_option('split-bin') == 'auto'
79 split_bin = not fs.is_symlink('/usr/sbin')
81 split_bin = get_option('split-bin') == 'true'
83 conf.set10('HAVE_SPLIT_BIN', split_bin,
84 description : 'bin and sbin directories are separate')
86 have_standalone_binaries = get_option('standalone-binaries')
88 sysvinit_path = get_option('sysvinit-path')
89 sysvrcnd_path = get_option('sysvrcnd-path')
90 conf.set10('HAVE_SYSV_COMPAT', sysvinit_path != '' and sysvrcnd_path != '',
91 description : 'SysV init scripts and rcN.d links are supported')
92 conf.set10('CREATE_LOG_DIRS', get_option('create-log-dirs'))
94 if get_option('hibernate') and not get_option('initrd')
95 error('hibernate depends on initrd')
98 conf.set10('BUMP_PROC_SYS_FS_FILE_MAX', get_option('bump-proc-sys-fs-file-max'))
99 conf.set10('BUMP_PROC_SYS_FS_NR_OPEN', get_option('bump-proc-sys-fs-nr-open'))
100 conf.set('HIGH_RLIMIT_NOFILE', 512*1024)
102 # Meson ignores the preceding arguments when joining paths if an absolute
103 # component is encountered, so this should canonicalize various paths when they
104 # are absolute or relative.
105 prefixdir = get_option('prefix')
106 if not prefixdir.startswith('/')
107 error('Prefix is not absolute: "@0@"'.format(prefixdir))
110 prefixdir_noslash = '/' + prefixdir.strip('/')
111 bindir = prefixdir / get_option('bindir')
112 sbindir = prefixdir / (split_bin ? 'sbin' : 'bin')
113 sbin_to_bin = split_bin ? '../bin/' : ''
114 libdir = prefixdir / get_option('libdir')
115 sysconfdir = prefixdir / get_option('sysconfdir')
116 includedir = prefixdir / get_option('includedir')
117 datadir = prefixdir / get_option('datadir')
118 localstatedir = '/' / get_option('localstatedir')
120 libexecdir = prefixdir / 'lib/systemd'
121 pkglibdir = libdir / 'systemd'
123 install_sysconfdir = get_option('install-sysconfdir') != 'false'
124 install_sysconfdir_samples = get_option('install-sysconfdir') == 'true'
125 # Dirs of external packages
126 pkgconfigdatadir = get_option('pkgconfigdatadir') != '' ? get_option('pkgconfigdatadir') : datadir / 'pkgconfig'
127 pkgconfiglibdir = get_option('pkgconfiglibdir') != '' ? get_option('pkgconfiglibdir') : libdir / 'pkgconfig'
128 polkitpolicydir = datadir / 'polkit-1/actions'
129 polkitrulesdir = datadir / 'polkit-1/rules.d'
130 polkitpkladir = localstatedir / 'lib/polkit-1/localauthority/10-vendor.d'
131 xinitrcdir = get_option('xinitrcdir') != '' ? get_option('xinitrcdir') : sysconfdir / 'X11/xinit/xinitrc.d'
132 rpmmacrosdir = get_option('rpmmacrosdir')
133 if rpmmacrosdir != 'no'
134 rpmmacrosdir = prefixdir / rpmmacrosdir
136 modprobedir = prefixdir / 'lib/modprobe.d'
139 pkgdatadir = datadir / 'systemd'
140 environmentdir = prefixdir / 'lib/environment.d'
141 pkgsysconfdir = sysconfdir / 'systemd'
142 userunitdir = prefixdir / 'lib/systemd/user'
143 userpresetdir = prefixdir / 'lib/systemd/user-preset'
144 tmpfilesdir = prefixdir / 'lib/tmpfiles.d'
145 usertmpfilesdir = prefixdir / 'share/user-tmpfiles.d'
146 sysusersdir = prefixdir / 'lib/sysusers.d'
147 sysctldir = prefixdir / 'lib/sysctl.d'
148 binfmtdir = prefixdir / 'lib/binfmt.d'
149 modulesloaddir = prefixdir / 'lib/modules-load.d'
150 networkdir = prefixdir / 'lib/systemd/network'
151 systemgeneratordir = libexecdir / 'system-generators'
152 usergeneratordir = prefixdir / 'lib/systemd/user-generators'
153 systemenvgeneratordir = prefixdir / 'lib/systemd/system-environment-generators'
154 userenvgeneratordir = prefixdir / 'lib/systemd/user-environment-generators'
155 systemshutdowndir = libexecdir / 'system-shutdown'
156 systemsleepdir = libexecdir / 'system-sleep'
157 systemunitdir = prefixdir / 'lib/systemd/system'
158 systempresetdir = prefixdir / 'lib/systemd/system-preset'
159 udevlibexecdir = prefixdir / 'lib/udev'
160 udevrulesdir = udevlibexecdir / 'rules.d'
161 udevhwdbdir = udevlibexecdir / 'hwdb.d'
162 catalogdir = prefixdir / 'lib/systemd/catalog'
163 kerneldir = prefixdir / 'lib/kernel'
164 kernelinstalldir = kerneldir / 'install.d'
165 factorydir = datadir / 'factory'
166 bootlibdir = prefixdir / 'lib/systemd/boot/efi'
167 testsdir = prefixdir / 'lib/systemd/tests'
168 unittestsdir = testsdir / 'unit-tests'
169 testdata_dir = testsdir / 'testdata'
170 systemdstatedir = localstatedir / 'lib/systemd'
171 catalogstatedir = systemdstatedir / 'catalog'
172 randomseeddir = localstatedir / 'lib/systemd'
173 profiledir = libexecdir / 'portable' / 'profile'
174 ntpservicelistdir = prefixdir / 'lib/systemd/ntp-units.d'
175 credstoredir = prefixdir / 'lib/credstore'
177 docdir = get_option('docdir')
179 docdir = datadir / 'doc/systemd'
182 pamlibdir = get_option('pamlibdir')
184 pamlibdir = libdir / 'security'
187 pamconfdir = get_option('pamconfdir')
189 pamconfdir = prefixdir / 'lib/pam.d'
192 libcryptsetup_plugins_dir = get_option('libcryptsetup-plugins-dir')
193 if libcryptsetup_plugins_dir == ''
194 libcryptsetup_plugins_dir = libdir / 'cryptsetup'
197 memory_accounting_default = get_option('memory-accounting-default')
198 status_unit_format_default = get_option('status-unit-format-default')
199 if status_unit_format_default == 'auto'
200 status_unit_format_default = conf.get('BUILD_MODE_DEVELOPER') == 1 ? 'name' : 'description'
203 conf.set_quoted('BINDIR', bindir)
204 conf.set_quoted('BINFMT_DIR', binfmtdir)
205 conf.set_quoted('BOOTLIBDIR', bootlibdir)
206 conf.set_quoted('CATALOG_DATABASE', catalogstatedir / 'database')
207 conf.set_quoted('CERTIFICATE_ROOT', get_option('certificate-root'))
208 conf.set_quoted('DOC_DIR', docdir)
209 conf.set_quoted('DOCUMENT_ROOT', pkgdatadir / 'gatewayd')
210 conf.set_quoted('ENVIRONMENT_DIR', environmentdir)
211 conf.set_quoted('INCLUDE_DIR', includedir)
212 conf.set_quoted('LIBDIR', libdir)
213 conf.set_quoted('LIBEXECDIR', libexecdir)
214 conf.set_quoted('MODPROBE_DIR', modprobedir)
215 conf.set_quoted('MODULESLOAD_DIR', modulesloaddir)
216 conf.set_quoted('PKGSYSCONFDIR', pkgsysconfdir)
217 conf.set_quoted('POLKIT_AGENT_BINARY_PATH', bindir / 'pkttyagent')
218 conf.set_quoted('PREFIX', prefixdir)
219 conf.set_quoted('PREFIX_NOSLASH', prefixdir_noslash)
220 conf.set_quoted('RANDOM_SEED', randomseeddir / 'random-seed')
221 conf.set_quoted('RANDOM_SEED_DIR', randomseeddir)
222 conf.set_quoted('RC_LOCAL_PATH', get_option('rc-local'))
223 conf.set_quoted('SYSCONF_DIR', sysconfdir)
224 conf.set_quoted('SYSCTL_DIR', sysctldir)
225 conf.set_quoted('SYSTEMCTL_BINARY_PATH', bindir / 'systemctl')
226 conf.set_quoted('SYSTEMD_BINARY_PATH', libexecdir / 'systemd')
227 conf.set_quoted('SYSTEMD_CATALOG_DIR', catalogdir)
228 conf.set_quoted('SYSTEMD_CGROUPS_AGENT_PATH', libexecdir / 'systemd-cgroups-agent')
229 conf.set_quoted('SYSTEMD_CRYPTSETUP_PATH', bindir / 'systemd-cryptsetup')
230 conf.set_quoted('SYSTEMD_EXPORT_PATH', libexecdir / 'systemd-export')
231 conf.set_quoted('SYSTEMD_FSCK_PATH', libexecdir / 'systemd-fsck')
232 conf.set_quoted('SYSTEMD_GROWFS_PATH', libexecdir / 'systemd-growfs')
233 conf.set_quoted('SYSTEMD_HOMEWORK_PATH', libexecdir / 'systemd-homework')
234 conf.set_quoted('SYSTEMD_IMPORT_FS_PATH', libexecdir / 'systemd-import-fs')
235 conf.set_quoted('SYSTEMD_IMPORT_PATH', libexecdir / 'systemd-import')
236 conf.set_quoted('SYSTEMD_INTEGRITYSETUP_PATH', libexecdir / 'systemd-integritysetup')
237 conf.set_quoted('SYSTEMD_KBD_MODEL_MAP', pkgdatadir / 'kbd-model-map')
238 conf.set_quoted('SYSTEMD_LANGUAGE_FALLBACK_MAP', pkgdatadir / 'language-fallback-map')
239 conf.set_quoted('SYSTEMD_MAKEFS_PATH', libexecdir / 'systemd-makefs')
240 conf.set_quoted('SYSTEMD_PULL_PATH', libexecdir / 'systemd-pull')
241 conf.set_quoted('SYSTEMD_SHUTDOWN_BINARY_PATH', libexecdir / 'systemd-shutdown')
242 conf.set_quoted('SYSTEMD_TEST_DATA', testdata_dir)
243 conf.set_quoted('SYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH', bindir / 'systemd-tty-ask-password-agent')
244 conf.set_quoted('SYSTEMD_UPDATE_HELPER_PATH', libexecdir / 'systemd-update-helper')
245 conf.set_quoted('SYSTEMD_USERWORK_PATH', libexecdir / 'systemd-userwork')
246 conf.set_quoted('SYSTEMD_VERITYSETUP_PATH', libexecdir / 'systemd-veritysetup')
247 conf.set_quoted('SYSTEM_CONFIG_UNIT_DIR', pkgsysconfdir / 'system')
248 conf.set_quoted('SYSTEM_DATA_UNIT_DIR', systemunitdir)
249 conf.set_quoted('SYSTEM_ENV_GENERATOR_DIR', systemenvgeneratordir)
250 conf.set_quoted('SYSTEM_GENERATOR_DIR', systemgeneratordir)
251 conf.set_quoted('SYSTEM_PRESET_DIR', systempresetdir)
252 conf.set_quoted('SYSTEM_SHUTDOWN_PATH', systemshutdowndir)
253 conf.set_quoted('SYSTEM_SLEEP_PATH', systemsleepdir)
254 conf.set_quoted('SYSTEM_SYSVINIT_PATH', sysvinit_path)
255 conf.set_quoted('SYSTEM_SYSVRCND_PATH', sysvrcnd_path)
256 conf.set_quoted('SYSUSERS_DIR', sysusersdir)
257 conf.set_quoted('TMPFILES_DIR', tmpfilesdir)
258 conf.set_quoted('USER_TMPFILES_DIR', usertmpfilesdir)
259 conf.set_quoted('UDEVLIBEXECDIR', udevlibexecdir)
260 conf.set_quoted('UDEV_HWDB_DIR', udevhwdbdir)
261 conf.set_quoted('UDEV_RULES_DIR', udevrulesdir)
262 conf.set_quoted('USER_CONFIG_UNIT_DIR', pkgsysconfdir / 'user')
263 conf.set_quoted('USER_DATA_UNIT_DIR', userunitdir)
264 conf.set_quoted('USER_ENV_GENERATOR_DIR', userenvgeneratordir)
265 conf.set_quoted('USER_GENERATOR_DIR', usergeneratordir)
266 conf.set_quoted('USER_KEYRING_PATH', pkgsysconfdir / 'import-pubring.gpg')
267 conf.set_quoted('USER_PRESET_DIR', userpresetdir)
268 conf.set_quoted('VENDOR_KEYRING_PATH', libexecdir / 'import-pubring.gpg')
270 conf.set('ANSI_OK_COLOR', 'ANSI_' + get_option('ok-color').underscorify().to_upper())
271 conf.set10('ENABLE_URLIFY', get_option('urlify'))
272 conf.set10('ENABLE_FEXECVE', get_option('fexecve'))
273 conf.set10('MEMORY_ACCOUNTING_DEFAULT', memory_accounting_default)
274 conf.set('STATUS_UNIT_FORMAT_DEFAULT', 'STATUS_UNIT_FORMAT_' + status_unit_format_default.to_upper())
275 conf.set_quoted('STATUS_UNIT_FORMAT_DEFAULT_STR', status_unit_format_default)
277 conf.set('DEFAULT_TIMEOUT_SEC', get_option('default-timeout-sec'))
278 conf.set('DEFAULT_USER_TIMEOUT_SEC', get_option('default-user-timeout-sec'))
279 conf.set('UPDATE_HELPER_USER_TIMEOUT_SEC', get_option('update-helper-user-timeout-sec'))
281 conf.set10('FIRST_BOOT_FULL_PRESET', get_option('first-boot-full-preset'))
283 #####################################################################
285 cc = meson.get_compiler('c')
286 userspace_c_args = []
287 userspace_c_ld_args = []
288 meson_build_sh = find_program('tools/meson-build.sh')
290 want_tests = get_option('tests')
291 slow_tests = want_tests != 'false' and get_option('slow-tests')
292 fuzz_tests = want_tests != 'false' and get_option('fuzz-tests')
293 install_tests = get_option('install-tests')
295 if add_languages('cpp', native : false, required : fuzzer_build)
296 # Used only for tests
297 cxx = meson.get_compiler('cpp')
298 cxx_cmd = ' '.join(cxx.cmd_array())
304 fuzzing_engine = meson.get_compiler('cpp').find_library('Fuzzer', required : false)
305 if fuzzing_engine.found()
306 userspace_c_args += '-fsanitize-coverage=trace-pc-guard,trace-cmp'
307 elif cc.has_argument('-fsanitize=fuzzer-no-link')
308 userspace_c_args += '-fsanitize=fuzzer-no-link'
310 error('Looks like neither libFuzzer nor -fsanitize=fuzzer-no-link is supported')
313 fuzzing_engine = meson.get_compiler('cpp').find_library('FuzzingEngine')
316 # Those generate many false positives, and we do not want to change the code to
318 basic_disabled_warnings = [
319 '-Wno-missing-field-initializers',
320 '-Wno-unused-parameter',
323 possible_common_cc_flags = [
324 '-Warray-bounds', # clang
329 '-Werror=format-signedness',
330 '-Werror=implicit-function-declaration',
331 '-Werror=implicit-int',
332 '-Werror=incompatible-pointer-types',
333 '-Werror=int-conversion',
334 '-Werror=missing-declarations',
335 '-Werror=missing-prototypes',
337 '-Werror=override-init',
338 '-Werror=return-type',
339 '-Werror=shift-count-overflow',
340 '-Werror=shift-overflow=2',
341 '-Werror=strict-flex-arrays',
344 # gperf prevents us from enabling this because it does not emit fallthrough
345 # attribute with clang.
346 #'-Wimplicit-fallthrough',
347 '-Wimplicit-fallthrough=5',
350 '-Wmissing-include-dirs',
351 '-Wmissing-noreturn',
353 '-Wold-style-definition',
357 '-Wstrict-aliasing=2',
358 '-Wstrict-prototypes',
359 '-Wsuggest-attribute=noreturn',
362 '-Wzero-length-bounds',
364 # negative arguments are correctly detected starting with meson 0.46.
365 '-Wno-error=#warnings', # clang
366 '-Wno-string-plus-int', # clang
368 '-fdiagnostics-show-option',
371 '-fstack-protector-strong',
372 '-fstrict-flex-arrays',
373 '--param=ssp-buffer-size=4',
376 possible_common_link_flags = [
380 c_args = get_option('c_args')
382 # Our json library does not support -ffinite-math-only, which is enabled by -Ofast or -ffast-math.
383 if (('-Ofast' in c_args or '-ffast-math' in c_args or '-ffinite-math-only' in c_args) and '-fno-finite-math-only' not in c_args)
384 error('-Ofast, -ffast-math, or -ffinite-math-only is specified in c_args.')
387 # Disable -Wmaybe-uninitialized when compiling with -Os/-O1/-O3/etc. There are
388 # too many false positives with gcc >= 8. Effectively, we only test with -O0
389 # and -O2; this should be enough to catch most important cases without too much
390 # busywork. See https://github.com/systemd/systemd/pull/19226.
391 if cc.get_id() == 'gcc' and (not '02'.contains(get_option('optimization')) or
392 cc.version().version_compare('<10') or
397 possible_common_cc_flags += '-Wno-maybe-uninitialized'
400 # Disable -Wno-unused-result with gcc, see
401 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425.
402 if cc.get_id() == 'gcc'
403 possible_common_cc_flags += '-Wno-unused-result'
406 # --as-needed and --no-undefined are provided by meson by default,
407 # run 'meson configure' to see what is enabled
408 possible_link_flags = [
409 '-Wl,--fatal-warnings',
414 if get_option('b_sanitize') == 'none'
415 possible_link_flags += '-Wl,--warn-common'
418 if cc.get_id() == 'clang'
419 possible_common_cc_flags += [
420 '-Wno-typedef-redefinition',
421 '-Wno-gnu-variable-sized-type-not-at-end',
425 if get_option('mode') == 'release'
426 # We could enable 'pattern' for developer mode, but that can interfere with
427 # valgrind and sanitizer builds. Also, clang does not zero-initialize unions,
428 # breaking some of our code (https://reviews.llvm.org/D68115).
429 possible_common_cc_flags += '-ftrivial-auto-var-init=zero'
432 possible_cc_flags = [
433 '-fno-strict-aliasing',
434 '-fstrict-flex-arrays=1',
435 '-fvisibility=hidden',
438 if get_option('buildtype') != 'debug'
439 possible_cc_flags += [
440 '-ffunction-sections',
444 possible_link_flags += '-Wl,--gc-sections'
447 if get_option('mode') == 'developer'
448 possible_cc_flags += '-fno-omit-frame-pointer'
451 add_project_arguments(
452 cc.get_supported_arguments(
453 basic_disabled_warnings,
454 possible_common_cc_flags
458 add_project_link_arguments(
459 cc.get_supported_link_arguments(possible_common_link_flags),
462 userspace_c_args += cc.get_supported_arguments(possible_cc_flags)
463 userspace_c_ld_args += cc.get_supported_link_arguments(possible_link_flags)
465 have = cc.has_argument('-Wzero-length-bounds')
466 conf.set10('HAVE_ZERO_LENGTH_BOUNDS', have)
470 #include <inttypes.h>
471 typedef uint64_t usec_t;
472 usec_t now(clockid_t clock);
477 ''', args: '-Werror=shadow', name : '-Werror=shadow with local shadowing')
478 add_project_arguments('-Werror=shadow', language : 'c')
482 add_project_arguments(cxx.get_supported_arguments(basic_disabled_warnings), language : 'cpp')
485 cpp = ' '.join(cc.cmd_array()) + ' -E'
487 has_wstringop_truncation = cc.has_argument('-Wstringop-truncation')
489 #####################################################################
490 # compilation result tests
492 conf.set('_GNU_SOURCE', 1)
493 conf.set('__SANE_USERSPACE_TYPES__', true)
494 conf.set10('HAVE_WSTRINGOP_TRUNCATION', has_wstringop_truncation)
496 conf.set('SIZEOF_DEV_T', cc.sizeof('dev_t', prefix : '#include <sys/types.h>'))
497 conf.set('SIZEOF_INO_T', cc.sizeof('ino_t', prefix : '#include <sys/types.h>'))
498 conf.set('SIZEOF_RLIM_T', cc.sizeof('rlim_t', prefix : '#include <sys/resource.h>'))
499 conf.set('SIZEOF_TIME_T', cc.sizeof('time_t', prefix : '#include <sys/time.h>'))
500 conf.set('SIZEOF_TIMEX_MEMBER', cc.sizeof('typeof(((struct timex *)0)->freq)', prefix : '#include <sys/timex.h>'))
502 long_max = cc.compute_int(
504 prefix : '#include <limits.h>',
505 guess : 0x7FFFFFFFFFFFFFFF,
506 high : 0x7FFFFFFFFFFFFFFF)
507 assert(long_max > 100000)
508 conf.set_quoted('LONG_MAX_STR', '@0@'.format(long_max))
513 #include <sys/mount.h>
514 #include <sys/stat.h>
517 foreach decl : ['char16_t',
524 # We get -1 if the size cannot be determined
525 have = cc.sizeof(decl, prefix : decl_headers, args : '-D_GNU_SOURCE') > 0
527 if decl == 'struct mount_attr'
529 want_linux_fs_h = false
531 have = cc.sizeof(decl,
532 prefix : decl_headers + '#include <linux/fs.h>',
533 args : '-D_GNU_SOURCE') > 0
534 want_linux_fs_h = have
538 if decl == 'struct statx'
540 want_linux_stat_h = false
542 have = cc.sizeof(decl,
543 prefix : decl_headers + '#include <linux/stat.h>',
544 args : '-D_GNU_SOURCE') > 0
545 want_linux_stat_h = have
549 conf.set10('HAVE_' + decl.underscorify().to_upper(), have)
552 conf.set10('WANT_LINUX_STAT_H', want_linux_stat_h)
553 conf.set10('WANT_LINUX_FS_H', want_linux_fs_h)
555 foreach ident : ['secure_getenv', '__secure_getenv']
556 conf.set10('HAVE_' + ident.to_upper(), cc.has_function(ident))
560 ['memfd_create', '''#include <sys/mman.h>'''],
561 ['gettid', '''#include <sys/types.h>
562 #include <unistd.h>'''],
563 ['pivot_root', '''#include <stdlib.h>
564 #include <unistd.h>'''], # no known header declares pivot_root
565 ['ioprio_get', '''#include <sched.h>'''], # no known header declares ioprio_get
566 ['ioprio_set', '''#include <sched.h>'''], # no known header declares ioprio_set
567 ['name_to_handle_at', '''#include <sys/types.h>
568 #include <sys/stat.h>
569 #include <fcntl.h>'''],
570 ['setns', '''#include <sched.h>'''],
571 ['renameat2', '''#include <stdio.h>
572 #include <fcntl.h>'''],
573 ['kcmp', '''#include <linux/kcmp.h>'''],
574 ['keyctl', '''#include <sys/types.h>
575 #include <keyutils.h>'''],
576 ['copy_file_range', '''#include <sys/syscall.h>
577 #include <unistd.h>'''],
578 ['bpf', '''#include <sys/syscall.h>
579 #include <unistd.h>'''],
580 ['statx', '''#include <sys/types.h>
581 #include <sys/stat.h>
582 #include <unistd.h>'''],
583 ['explicit_bzero' , '''#include <string.h>'''],
584 ['reallocarray', '''#include <stdlib.h>'''],
585 ['set_mempolicy', '''#include <stdlib.h>
586 #include <unistd.h>'''],
587 ['get_mempolicy', '''#include <stdlib.h>
588 #include <unistd.h>'''],
589 ['pidfd_send_signal', '''#include <stdlib.h>
592 #include <sys/wait.h>'''],
593 ['pidfd_open', '''#include <stdlib.h>
596 #include <sys/wait.h>'''],
597 ['rt_sigqueueinfo', '''#include <stdlib.h>
600 #include <sys/wait.h>'''],
601 ['rt_tgsigqueueinfo', '''#include <stdlib.h>
604 #include <sys/wait.h>'''],
605 ['mallinfo', '''#include <malloc.h>'''],
606 ['mallinfo2', '''#include <malloc.h>'''],
607 ['execveat', '''#include <unistd.h>'''],
608 ['close_range', '''#include <unistd.h>'''],
609 ['epoll_pwait2', '''#include <sys/epoll.h>'''],
610 ['mount_setattr', '''#include <sys/mount.h>'''],
611 ['move_mount', '''#include <sys/mount.h>'''],
612 ['open_tree', '''#include <sys/mount.h>'''],
613 ['fsopen', '''#include <sys/mount.h>'''],
614 ['fsconfig', '''#include <sys/mount.h>'''],
615 ['fsmount', '''#include <sys/mount.h>'''],
616 ['getdents64', '''#include <dirent.h>'''],
619 have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE')
620 conf.set10('HAVE_' + ident[0].to_upper(), have)
623 if cc.has_function('getrandom', prefix : '''#include <sys/random.h>''', args : '-D_GNU_SOURCE')
624 conf.set10('USE_SYS_RANDOM_H', true)
625 conf.set10('HAVE_GETRANDOM', true)
627 have = cc.has_function('getrandom', prefix : '''#include <linux/random.h>''')
628 conf.set10('USE_SYS_RANDOM_H', false)
629 conf.set10('HAVE_GETRANDOM', have)
632 #####################################################################
634 sh = find_program('sh')
635 echo = find_program('echo')
636 sed = find_program('sed')
637 awk = find_program('awk')
638 stat = find_program('stat')
639 ln = find_program('ln')
640 git = find_program('git', required : false)
641 env = find_program('env')
642 rsync = find_program('rsync', required : false)
643 diff = find_program('diff')
644 find = find_program('find')
646 ln_s = ln.full_path() + ' -frsT -- "${DESTDIR:-}@0@" "${DESTDIR:-}@1@"'
648 # If -Dxxx-path option is found, use that. Otherwise, check in $PATH,
649 # /usr/sbin, /sbin, and fall back to the default from middle column.
650 progs = [['quotaon', '/usr/sbin/quotaon' ],
651 ['quotacheck', '/usr/sbin/quotacheck' ],
652 ['kmod', '/usr/bin/kmod' ],
653 ['kexec', '/usr/sbin/kexec' ],
654 ['sulogin', '/usr/sbin/sulogin' ],
655 ['mount', '/usr/bin/mount', 'MOUNT_PATH'],
656 ['umount', '/usr/bin/umount', 'UMOUNT_PATH'],
657 ['loadkeys', '/usr/bin/loadkeys', 'KBD_LOADKEYS'],
658 ['setfont', '/usr/bin/setfont', 'KBD_SETFONT'],
659 ['nologin', '/usr/sbin/nologin', ],
662 path = get_option(prog[0] + '-path')
664 message('Using @1@ for @0@'.format(prog[0], path))
666 exe = find_program(prog[0],
667 '/usr/sbin/' + prog[0],
670 path = exe.found() ? exe.full_path() : prog[1]
672 name = prog.length() > 2 ? prog[2] : prog[0].to_upper()
673 conf.set_quoted(name, path)
676 conf.set_quoted('TELINIT', get_option('telinit-path'))
678 if run_command(ln, '--relative', '--help', check : false).returncode() != 0
679 error('ln does not support --relative (added in coreutils 8.16)')
682 ############################################################
684 gperf = find_program('gperf')
686 gperf_test_format = '''
688 const char * in_word_set(const char *, @0@);
691 gperf_snippet = run_command(sh, '-c', 'echo foo,bar | "$1" -L ANSI-C', '_', gperf,
693 gperf_test = gperf_test_format.format('size_t', gperf_snippet.stdout())
694 if cc.compiles(gperf_test)
695 gperf_len_type = 'size_t'
697 gperf_test = gperf_test_format.format('unsigned', gperf_snippet.stdout())
698 if cc.compiles(gperf_test)
699 gperf_len_type = 'unsigned'
701 error('unable to determine gperf len type')
704 message('gperf len type is @0@'.format(gperf_len_type))
705 conf.set('GPERF_LEN_TYPE', gperf_len_type,
706 description : 'The type of gperf "len" parameter')
708 ############################################################
710 if not cc.has_header('sys/capability.h')
711 error('POSIX caps headers not found')
713 foreach header : ['crypt.h',
715 'linux/vm_sockets.h',
718 'valgrind/memcheck.h',
719 'valgrind/valgrind.h',
720 'linux/time_types.h',
724 conf.set10('HAVE_' + header.underscorify().to_upper(),
725 cc.has_header(header))
728 ############################################################
730 fallback_hostname = get_option('fallback-hostname')
731 if fallback_hostname == '' or fallback_hostname[0] == '.' or fallback_hostname[0] == '-'
732 error('Invalid fallback-hostname configuration')
733 # A more extensive test is done in test-hostname-util. Let's catch
734 # the most obvious errors here so we don't fail with an assert later.
736 conf.set_quoted('FALLBACK_HOSTNAME', fallback_hostname)
738 default_hierarchy = get_option('default-hierarchy')
739 conf.set_quoted('DEFAULT_HIERARCHY_NAME', default_hierarchy,
740 description : 'default cgroup hierarchy as string')
741 if default_hierarchy == 'legacy'
742 conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_NONE')
743 elif default_hierarchy == 'hybrid'
744 conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_SYSTEMD')
746 conf.set('DEFAULT_HIERARCHY', 'CGROUP_UNIFIED_ALL')
749 extra_net_naming_schemes = []
750 extra_net_naming_map = []
751 foreach scheme: get_option('extra-net-naming-schemes').split(',')
753 name = scheme.split('=')[0]
754 value = scheme.split('=')[1]
755 NAME = name.underscorify().to_upper()
757 foreach field: value.split('+')
758 VALUE += 'NAMING_' + field.underscorify().to_upper()
760 extra_net_naming_schemes += 'NAMING_@0@ = @1@,'.format(NAME, '|'.join(VALUE))
761 extra_net_naming_map += '{ "@0@", NAMING_@1@ },'.format(name, NAME)
764 conf.set('EXTRA_NET_NAMING_SCHEMES', ' '.join(extra_net_naming_schemes))
765 conf.set('EXTRA_NET_NAMING_MAP', ' '.join(extra_net_naming_map))
767 default_net_naming_scheme = get_option('default-net-naming-scheme')
768 conf.set_quoted('DEFAULT_NET_NAMING_SCHEME', default_net_naming_scheme)
769 if default_net_naming_scheme != 'latest'
770 conf.set('_DEFAULT_NET_NAMING_SCHEME_TEST',
771 'NAMING_' + default_net_naming_scheme.underscorify().to_upper())
774 time_epoch = get_option('time-epoch')
776 time_epoch = run_command(sh, '-c', 'echo "$SOURCE_DATE_EPOCH"', check : true).stdout().strip()
777 if time_epoch == '' and git.found() and fs.is_dir('.git')
778 # If we're in a git repository, use the creation time of the latest git tag.
779 latest_tag = run_command(git, 'describe', '--abbrev=0', '--tags',
781 if latest_tag.returncode() == 0
782 time_epoch = run_command(
783 git, 'log', '--no-show-signature', '-1', '--format=%at',
784 latest_tag.stdout().strip(),
785 check : false).stdout()
790 time_epoch = run_command(stat, '-c', '%Y', NEWS,
791 check : true).stdout()
793 time_epoch = time_epoch.strip().to_int()
795 conf.set('TIME_EPOCH', time_epoch)
797 conf.set('CLOCK_VALID_RANGE_USEC_MAX', get_option('clock-valid-range-usec-max'))
799 default_user_shell = get_option('default-user-shell')
800 conf.set_quoted('DEFAULT_USER_SHELL', default_user_shell)
801 conf.set_quoted('DEFAULT_USER_SHELL_NAME', fs.name(default_user_shell))
803 foreach tuple : [['system-alloc-uid-min', 'SYS_UID_MIN', 1], # Also see login.defs(5).
804 ['system-uid-max', 'SYS_UID_MAX', 999],
805 ['system-alloc-gid-min', 'SYS_GID_MIN', 1],
806 ['system-gid-max', 'SYS_GID_MAX', 999]]
807 v = get_option(tuple[0])
811 '/^\s*@0@\s+/ { uid=$2 } END { print uid }'.format(tuple[1]),
813 check : false).stdout().strip()
820 conf.set(tuple[0].underscorify().to_upper(), v)
822 if conf.get('SYSTEM_ALLOC_UID_MIN') >= conf.get('SYSTEM_UID_MAX')
823 error('Invalid uid allocation range')
825 if conf.get('SYSTEM_ALLOC_GID_MIN') >= conf.get('SYSTEM_GID_MAX')
826 error('Invalid gid allocation range')
829 dynamic_uid_min = get_option('dynamic-uid-min')
830 dynamic_uid_max = get_option('dynamic-uid-max')
831 conf.set('DYNAMIC_UID_MIN', dynamic_uid_min)
832 conf.set('DYNAMIC_UID_MAX', dynamic_uid_max)
834 container_uid_base_min = get_option('container-uid-base-min')
835 container_uid_base_max = get_option('container-uid-base-max')
836 conf.set('CONTAINER_UID_BASE_MIN', container_uid_base_min)
837 conf.set('CONTAINER_UID_BASE_MAX', container_uid_base_max)
839 nobody_user = get_option('nobody-user')
840 nobody_group = get_option('nobody-group')
842 if not meson.is_cross_build()
843 getent_result = run_command('getent', 'passwd', '65534', check : false)
844 if getent_result.returncode() == 0
845 name = getent_result.stdout().split(':')[0]
846 if name != nobody_user
848 '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) +
849 'Your build will result in an user table setup that is incompatible with the local system.')
852 id_result = run_command('id', '-u', nobody_user, check : false)
853 if id_result.returncode() == 0
854 id = id_result.stdout().strip().to_int()
857 '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) +
858 'Your build will result in an user table setup that is incompatible with the local system.')
862 getent_result = run_command('getent', 'group', '65534', check : false)
863 if getent_result.returncode() == 0
864 name = getent_result.stdout().split(':')[0]
865 if name != nobody_group
867 '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) +
868 'Your build will result in an group table setup that is incompatible with the local system.')
871 id_result = run_command('id', '-g', nobody_group, check : false)
872 if id_result.returncode() == 0
873 id = id_result.stdout().strip().to_int()
876 'The local group with the configured group name "@0@" of the nobody group does not have GID 65534 (it has @1@).\n'.format(nobody_group, id) +
877 'Your build will result in an group table setup that is incompatible with the local system.')
881 if nobody_user != nobody_group and not (nobody_user == 'nobody' and nobody_group == 'nogroup')
883 'The configured user name "@0@" and group name "@0@" of the nobody user/group are not equivalent.\n'.format(nobody_user, nobody_group) +
884 'Please re-check that both "nobody-user" and "nobody-group" options are correctly set.')
887 conf.set_quoted('NOBODY_USER_NAME', nobody_user)
888 conf.set_quoted('NOBODY_GROUP_NAME', nobody_group)
891 foreach option : ['adm-gid',
908 'systemd-journal-gid',
909 'systemd-network-uid',
910 'systemd-resolve-uid',
911 'systemd-timesync-uid']
912 name = option.underscorify().to_upper()
913 val = get_option(option)
915 # Ensure provided GID argument is numeric, otherwise fall back to default assignment
916 conf.set(name, val > 0 ? val : '-')
918 static_ugids += '@0@:@1@'.format(option, val)
922 conf.set10('ENABLE_ADM_GROUP', get_option('adm-group'))
923 conf.set10('ENABLE_WHEEL_GROUP', get_option('wheel-group'))
925 dev_kvm_mode = get_option('dev-kvm-mode')
926 conf.set_quoted('DEV_KVM_MODE', dev_kvm_mode) # FIXME: convert to 0o… notation
927 conf.set10('DEV_KVM_UACCESS', dev_kvm_mode != '0666')
928 group_render_mode = get_option('group-render-mode')
929 conf.set_quoted('GROUP_RENDER_MODE', group_render_mode)
930 conf.set10('GROUP_RENDER_UACCESS', group_render_mode != '0666')
932 kill_user_processes = get_option('default-kill-user-processes')
933 conf.set10('KILL_USER_PROCESSES', kill_user_processes)
935 dns_servers = get_option('dns-servers')
936 conf.set_quoted('DNS_SERVERS', dns_servers)
938 ntp_servers = get_option('ntp-servers')
939 conf.set_quoted('NTP_SERVERS', ntp_servers)
941 default_locale = get_option('default-locale')
942 conf.set_quoted('SYSTEMD_DEFAULT_LOCALE', default_locale)
944 nspawn_locale = get_option('nspawn-locale')
945 conf.set_quoted('SYSTEMD_NSPAWN_LOCALE', nspawn_locale)
947 default_keymap = get_option('default-keymap')
948 if default_keymap == ''
949 # We canonicalize empty keymap to '@kernel', as it makes the default value
950 # in the factory provided /etc/vconsole.conf more obvious.
951 default_keymap = '@kernel'
953 conf.set_quoted('SYSTEMD_DEFAULT_KEYMAP', default_keymap)
955 localegen_path = get_option('localegen-path')
956 if localegen_path != ''
957 conf.set_quoted('LOCALEGEN_PATH', localegen_path)
959 conf.set10('HAVE_LOCALEGEN', localegen_path != '')
961 conf.set_quoted('GETTEXT_PACKAGE', meson.project_name())
963 service_watchdog = get_option('service-watchdog')
964 watchdog_value = service_watchdog == '' ? '' : 'WatchdogSec=' + service_watchdog
965 conf.set_quoted('SERVICE_WATCHDOG', watchdog_value)
967 conf.set_quoted('SUSHELL', get_option('debug-shell'))
968 conf.set_quoted('DEBUGTTY', get_option('debug-tty'))
970 enable_debug_hashmap = false
971 enable_debug_mmap_cache = false
972 enable_debug_siphash = false
973 foreach name : get_option('debug-extra')
975 enable_debug_hashmap = true
976 elif name == 'mmap-cache'
977 enable_debug_mmap_cache = true
978 elif name == 'siphash'
979 enable_debug_siphash = true
981 message('unknown debug option "@0@", ignoring'.format(name))
984 conf.set10('ENABLE_DEBUG_HASHMAP', enable_debug_hashmap)
985 conf.set10('ENABLE_DEBUG_MMAP_CACHE', enable_debug_mmap_cache)
986 conf.set10('ENABLE_DEBUG_SIPHASH', enable_debug_siphash)
987 conf.set10('LOG_TRACE', get_option('log-trace'))
989 default_user_path = get_option('user-path')
990 if default_user_path != ''
991 conf.set_quoted('DEFAULT_USER_PATH', default_user_path)
994 #####################################################################
996 threads = dependency('threads')
997 librt = cc.find_library('rt')
998 libm = cc.find_library('m')
999 libdl = cc.find_library('dl')
1000 libcrypt = dependency('libcrypt', 'libxcrypt', required : false)
1001 if not libcrypt.found()
1002 # fallback to use find_library() if libcrypt is provided by glibc, e.g. for LibreELEC.
1003 libcrypt = cc.find_library('crypt')
1005 libcap = dependency('libcap')
1007 # On some architectures, libatomic is required. But on some installations,
1008 # it is found, but actual linking fails. So let's try to use it opportunistically.
1009 # If it is installed, but not needed, it will be dropped because of --as-needed.
1010 if cc.links('''int main(int argc, char **argv) { return 0; }''',
1013 libatomic = declare_dependency(link_args : '-latomic')
1018 crypt_header = conf.get('HAVE_CRYPT_H') == 1 ? '''#include <crypt.h>''' : '''#include <unistd.h>'''
1020 ['crypt_ra', crypt_header],
1021 ['crypt_preferred_method', crypt_header],
1022 ['crypt_gensalt_ra', crypt_header]]
1024 have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE',
1025 dependencies : libcrypt)
1026 conf.set10('HAVE_' + ident[0].to_upper(), have)
1029 bpf_framework = get_option('bpf-framework')
1030 bpf_compiler = get_option('bpf-compiler')
1031 libbpf = dependency('libbpf',
1032 required : bpf_framework,
1033 version : bpf_compiler == 'gcc' ? '>= 1.0.0' : '>= 0.1.0')
1034 conf.set10('HAVE_LIBBPF', libbpf.found())
1036 if not libbpf.found()
1037 conf.set10('BPF_FRAMEWORK', false)
1040 clang_supports_bpf = false
1041 bpf_gcc_found = false
1042 bpftool_strip = false
1045 if bpf_compiler == 'clang'
1046 # Support 'versioned' clang/llvm-strip binaries, as seen on Debian/Ubuntu
1047 # (like clang-10/llvm-strip-10)
1048 if meson.is_cross_build() or cc.get_id() != 'clang' or cc.cmd_array()[0].contains('afl-clang') or cc.cmd_array()[0].contains('hfuzz-clang')
1049 r = find_program('clang',
1050 required : bpf_framework,
1051 version : '>= 10.0.0')
1052 clang_found = r.found()
1054 clang = r.full_path()
1058 clang = cc.cmd_array()
1062 # Check if 'clang -target bpf' is supported.
1063 clang_supports_bpf = run_command(clang, '-target', 'bpf', '--print-supported-cpus', check : false).returncode() == 0
1065 elif bpf_compiler == 'gcc'
1066 bpf_gcc = find_program('bpf-gcc',
1069 version : '>= 13.1.0')
1070 bpf_gcc_found = bpf_gcc.found()
1073 if clang_supports_bpf or bpf_gcc_found
1074 # Debian installs this in /usr/sbin/ which is not in $PATH.
1075 # We check for 'bpftool' first, honouring $PATH, and in /usr/sbin/ for Debian.
1076 # We use 'bpftool gen object' subcommand for bpftool strip, it was added by d80b2fcbe0a023619e0fc73112f2a02c2662f6ab (v5.13).
1077 bpftool = find_program('bpftool',
1078 '/usr/sbin/bpftool',
1079 required : bpf_framework.enabled() and bpf_compiler == 'gcc',
1080 version : bpf_compiler == 'gcc' ? '>= 7.0.0' : '>= 5.13.0')
1083 bpftool_strip = true
1085 elif bpf_compiler == 'clang'
1086 # We require the 'bpftool gen skeleton' subcommand, it was added by 985ead416df39d6fe8e89580cc1db6aa273e0175 (v5.6).
1087 bpftool = find_program('bpftool',
1088 '/usr/sbin/bpftool',
1089 required : bpf_framework,
1090 version : '>= 5.6.0')
1093 # We use `llvm-strip` as a fallback if `bpftool gen object` strip support is not available.
1094 if not bpftool_strip and bpftool.found() and clang_supports_bpf
1095 if not meson.is_cross_build()
1096 llvm_strip_bin = run_command(clang, '--print-prog-name', 'llvm-strip',
1097 check : true).stdout().strip()
1099 llvm_strip_bin = 'llvm-strip'
1101 llvm_strip = find_program(llvm_strip_bin,
1102 required : bpf_framework,
1103 version : '>= 10.0.0')
1104 deps_found = llvm_strip.found()
1108 # Can build BPF program from source code in restricted C
1109 conf.set10('BPF_FRAMEWORK', deps_found)
1112 libmount = dependency('mount',
1113 version : fuzzer_build ? '>= 0' : '>= 2.30')
1115 libfdisk = dependency('fdisk',
1116 version : '>= 2.32',
1118 required : get_option('fdisk'))
1119 conf.set10('HAVE_LIBFDISK', libfdisk.found())
1121 # This prefers pwquality if both are enabled or auto.
1122 feature = get_option('pwquality').disable_auto_if(get_option('passwdqc').enabled())
1123 libpwquality = dependency('pwquality',
1124 version : '>= 1.4.1',
1126 have = libpwquality.found()
1128 # libpwquality is used for both features for simplicity
1129 libpwquality = dependency('passwdqc',
1130 required : get_option('passwdqc'))
1132 conf.set10('HAVE_PWQUALITY', have)
1133 conf.set10('HAVE_PASSWDQC', not have and libpwquality.found())
1135 libseccomp = dependency('libseccomp',
1136 version : '>= 2.3.1',
1137 required : get_option('seccomp'))
1138 conf.set10('HAVE_SECCOMP', libseccomp.found())
1140 libselinux = dependency('libselinux',
1141 version : '>= 2.1.9',
1142 required : get_option('selinux'))
1143 conf.set10('HAVE_SELINUX', libselinux.found())
1145 libapparmor = dependency('libapparmor',
1146 version : '>= 2.13',
1147 required : get_option('apparmor'))
1148 conf.set10('HAVE_APPARMOR', libapparmor.found())
1150 have = get_option('smack') and get_option('smack-run-label') != ''
1151 conf.set10('HAVE_SMACK_RUN_LABEL', have)
1153 conf.set_quoted('SMACK_RUN_LABEL', get_option('smack-run-label'))
1156 have = get_option('smack') and get_option('smack-default-process-label') != ''
1158 conf.set_quoted('SMACK_DEFAULT_PROCESS_LABEL', get_option('smack-default-process-label'))
1161 feature = get_option('polkit')
1162 libpolkit = dependency('polkit-gobject-1',
1163 required : feature.disabled() ? feature : false)
1164 install_polkit = feature.allowed()
1165 install_polkit_pkla = libpolkit.found() and libpolkit.version().version_compare('< 0.106')
1166 if install_polkit_pkla
1167 message('Old polkit detected, will install pkla files')
1169 conf.set10('ENABLE_POLKIT', install_polkit)
1171 libacl = dependency('libacl',
1172 required : get_option('acl'))
1173 conf.set10('HAVE_ACL', libacl.found())
1175 libaudit = dependency('audit',
1176 required : get_option('audit'))
1177 conf.set10('HAVE_AUDIT', libaudit.found())
1179 libblkid = dependency('blkid',
1180 required : get_option('blkid'))
1181 conf.set10('HAVE_BLKID', libblkid.found())
1182 conf.set10('HAVE_BLKID_PROBE_SET_HINT',
1183 libblkid.found() and cc.has_function('blkid_probe_set_hint', dependencies : libblkid))
1185 libkmod = dependency('libkmod',
1187 required : get_option('kmod'))
1188 conf.set10('HAVE_KMOD', libkmod.found())
1190 libxenctrl = dependency('xencontrol',
1192 required : get_option('xenctrl'))
1193 conf.set10('HAVE_XENCTRL', libxenctrl.found())
1195 feature = get_option('pam')
1196 libpam = dependency('pam',
1197 required : feature.disabled() ? feature : false)
1198 if not libpam.found()
1199 # Debian older than bookworm and Ubuntu older than 22.10 do not provide the .pc file.
1200 libpam = cc.find_library('pam', required : feature)
1202 libpam_misc = dependency('pam_misc',
1203 required : feature.disabled() ? feature : false)
1204 if not libpam_misc.found()
1205 libpam_misc = cc.find_library('pam_misc', required : feature)
1207 conf.set10('HAVE_PAM', libpam.found() and libpam_misc.found())
1209 libmicrohttpd = dependency('libmicrohttpd',
1210 version : '>= 0.9.33',
1211 required : get_option('microhttpd'))
1212 conf.set10('HAVE_MICROHTTPD', libmicrohttpd.found())
1214 libcryptsetup = get_option('libcryptsetup')
1215 libcryptsetup_plugins = get_option('libcryptsetup-plugins')
1216 if libcryptsetup_plugins.enabled()
1217 if libcryptsetup.disabled()
1218 error('libcryptsetup-plugins can not be requested without libcryptsetup')
1220 libcryptsetup = libcryptsetup_plugins
1223 libcryptsetup = dependency('libcryptsetup',
1224 version : libcryptsetup_plugins.enabled() ? '>= 2.4.0' : '>= 2.0.1',
1225 required : libcryptsetup)
1227 have = libcryptsetup.found()
1228 foreach ident : ['crypt_set_metadata_size',
1229 'crypt_activate_by_signed_key',
1231 'crypt_reencrypt_init_by_passphrase',
1233 'crypt_set_data_offset']
1234 have_ident = have and cc.has_function(
1236 prefix : '#include <libcryptsetup.h>',
1237 dependencies : libcryptsetup)
1238 conf.set10('HAVE_' + ident.to_upper(), have_ident)
1240 conf.set10('HAVE_LIBCRYPTSETUP', have)
1242 # TODO: Use has_function(required : libcryptsetup_plugins) with meson >= 1.3.0
1243 if libcryptsetup_plugins.allowed()
1244 have = (cc.has_function(
1245 'crypt_activate_by_token_pin',
1246 prefix : '#include <libcryptsetup.h>',
1247 dependencies : libcryptsetup) and
1249 'crypt_token_external_path',
1250 prefix : '#include <libcryptsetup.h>',
1251 dependencies : libcryptsetup))
1255 conf.set10('HAVE_LIBCRYPTSETUP_PLUGINS', have)
1257 libcurl = dependency('libcurl',
1258 version : '>= 7.32.0',
1259 required : get_option('libcurl'))
1260 conf.set10('HAVE_LIBCURL', libcurl.found())
1261 conf.set10('CURL_NO_OLDIES', conf.get('BUILD_MODE_DEVELOPER') == 1)
1263 feature = get_option('libidn2').disable_auto_if(get_option('libidn').enabled())
1264 libidn = dependency('libidn2',
1266 have = libidn.found()
1268 # libidn is used for both libidn and libidn2 objects
1269 libidn = dependency('libidn',
1270 required : get_option('libidn'))
1272 conf.set10('HAVE_LIBIDN', not have and libidn.found())
1273 conf.set10('HAVE_LIBIDN2', have)
1275 libiptc = dependency('libiptc',
1276 required : get_option('libiptc'))
1277 conf.set10('HAVE_LIBIPTC', libiptc.found())
1279 libqrencode = dependency('libqrencode',
1281 required : get_option('qrencode'))
1282 conf.set10('HAVE_QRENCODE', libqrencode.found())
1284 feature = get_option('gcrypt')
1285 libgcrypt = dependency('libgcrypt',
1287 libgpg_error = dependency('gpg-error',
1288 required : feature.disabled() ? feature : false)
1289 if not libgpg_error.found()
1290 # CentOS 8 does not provide the .pc file.
1291 libgpg_error = cc.find_library('gpg-error', required : feature)
1294 have = libgcrypt.found() and libgpg_error.found()
1296 # link to neither of the libs if one is not found
1300 conf.set10('HAVE_GCRYPT', have)
1302 libgnutls = dependency('gnutls',
1303 version : '>= 3.1.4',
1304 required : get_option('gnutls'))
1305 conf.set10('HAVE_GNUTLS', libgnutls.found())
1307 libopenssl = dependency('openssl',
1308 version : '>= 1.1.0',
1309 required : get_option('openssl'))
1310 conf.set10('HAVE_OPENSSL', libopenssl.found())
1312 libp11kit = dependency('p11-kit-1',
1313 version : '>= 0.23.3',
1314 required : get_option('p11kit'))
1315 conf.set10('HAVE_P11KIT', libp11kit.found())
1316 libp11kit_cflags = libp11kit.partial_dependency(includes: true, compile_args: true)
1318 feature = get_option('libfido2').require(
1319 conf.get('HAVE_OPENSSL') == 1,
1320 error_message : 'openssl required')
1321 libfido2 = dependency('libfido2',
1323 conf.set10('HAVE_LIBFIDO2', libfido2.found())
1325 tpm2 = dependency('tss2-esys tss2-rc tss2-mu tss2-tcti-device',
1326 required : get_option('tpm2'))
1327 conf.set10('HAVE_TPM2', tpm2.found())
1328 conf.set10('HAVE_TSS2_ESYS3', tpm2.found() and tpm2.version().version_compare('>= 3.0.0'))
1330 libdw = dependency('libdw',
1331 required : get_option('elfutils'))
1332 conf.set10('HAVE_ELFUTILS', libdw.found())
1333 # New in elfutils 0.177
1334 conf.set10('HAVE_DWELF_ELF_E_MACHINE_STRING',
1335 libdw.found() and cc.has_function('dwelf_elf_e_machine_string', dependencies : libdw))
1337 libz = dependency('zlib',
1338 required : get_option('zlib'))
1339 conf.set10('HAVE_ZLIB', libz.found())
1341 feature = get_option('bzip2')
1342 libbzip2 = dependency('bzip2',
1343 required : feature.disabled() ? feature : false)
1344 if not libbzip2.found()
1345 # Debian and Ubuntu do not provide the .pc file.
1346 libbzip2 = cc.find_library('bz2', required : feature)
1348 conf.set10('HAVE_BZIP2', libbzip2.found())
1350 libxz = dependency('liblzma',
1351 required : get_option('xz'))
1352 conf.set10('HAVE_XZ', libxz.found())
1354 liblz4 = dependency('liblz4',
1355 version : '>= 1.3.0',
1356 required : get_option('lz4'))
1357 conf.set10('HAVE_LZ4', liblz4.found())
1359 libzstd = dependency('libzstd',
1360 version : '>= 1.4.0',
1361 required : get_option('zstd'))
1362 conf.set10('HAVE_ZSTD', libzstd.found())
1364 conf.set10('HAVE_COMPRESSION', libxz.found() or liblz4.found() or libzstd.found())
1366 compression = get_option('default-compression')
1367 if compression == 'auto'
1369 compression = 'zstd'
1375 compression = 'none'
1377 elif compression == 'zstd' and not libzstd.found()
1378 error('default-compression=zstd requires zstd')
1379 elif compression == 'lz4' and not liblz4.found()
1380 error('default-compression=lz4 requires lz4')
1381 elif compression == 'xz' and not libxz.found()
1382 error('default-compression=xz requires xz')
1384 conf.set('DEFAULT_COMPRESSION', 'COMPRESSION_@0@'.format(compression.to_upper()))
1386 libxkbcommon = dependency('xkbcommon',
1387 version : '>= 0.3.0',
1388 required : get_option('xkbcommon'))
1389 conf.set10('HAVE_XKBCOMMON', libxkbcommon.found())
1391 libpcre2 = dependency('libpcre2-8',
1392 required : get_option('pcre2'))
1393 conf.set10('HAVE_PCRE2', libpcre2.found())
1395 libglib = dependency('glib-2.0',
1396 version : '>= 2.22.0',
1397 required : get_option('glib'))
1398 libgobject = dependency('gobject-2.0',
1399 version : '>= 2.22.0',
1400 required : get_option('glib'))
1401 libgio = dependency('gio-2.0',
1402 required : get_option('glib'))
1403 conf.set10('HAVE_GLIB', libglib.found() and libgobject.found() and libgio.found())
1405 libdbus = dependency('dbus-1',
1406 version : '>= 1.3.2',
1407 required : get_option('dbus'))
1408 conf.set10('HAVE_DBUS', libdbus.found())
1410 dbusdatadir = libdbus.get_variable(pkgconfig: 'datadir', default_value: datadir) / 'dbus-1'
1412 dbuspolicydir = get_option('dbuspolicydir')
1413 if dbuspolicydir == ''
1414 dbuspolicydir = dbusdatadir / 'system.d'
1417 dbussessionservicedir = get_option('dbussessionservicedir')
1418 if dbussessionservicedir == ''
1419 dbussessionservicedir = libdbus.get_variable(pkgconfig: 'session_bus_services_dir', default_value: dbusdatadir / 'services')
1422 dbussystemservicedir = get_option('dbussystemservicedir')
1423 if dbussystemservicedir == ''
1424 dbussystemservicedir = libdbus.get_variable(pkgconfig: 'system_bus_services_dir', default_value: dbusdatadir / 'system-services')
1427 dbus_interfaces_dir = get_option('dbus-interfaces-dir')
1428 if dbus_interfaces_dir == '' or dbus_interfaces_dir == 'yes'
1429 if meson.is_cross_build() and dbus_interfaces_dir != 'yes'
1430 dbus_interfaces_dir = 'no'
1431 warning('Exporting D-Bus interface XML files is disabled during cross build. Pass path or "yes" to force enable.')
1433 dbus_interfaces_dir = libdbus.get_variable(pkgconfig: 'interfaces_dir', default_value: dbusdatadir / 'interfaces')
1437 dmi_arches = ['x86', 'x86_64', 'aarch64', 'arm', 'ia64', 'loongarch64', 'mips']
1438 conf.set10('HAVE_DMI', host_machine.cpu_family() in dmi_arches)
1440 # We support one or the other. If gcrypt is available, we assume it's there to
1441 # be used, and use it in preference.
1442 opt = get_option('cryptolib')
1443 if opt == 'openssl' and conf.get('HAVE_OPENSSL') == 0
1444 error('openssl requested as the default cryptolib, but not available')
1446 conf.set10('PREFER_OPENSSL',
1447 opt == 'openssl' or (opt == 'auto' and conf.get('HAVE_OPENSSL') == 1 and conf.get('HAVE_GCRYPT') == 0))
1448 conf.set10('HAVE_OPENSSL_OR_GCRYPT',
1449 conf.get('HAVE_OPENSSL') == 1 or conf.get('HAVE_GCRYPT') == 1)
1450 lib_openssl_or_gcrypt = conf.get('PREFER_OPENSSL') == 1 ? [libopenssl] : [libgcrypt, libgpg_error]
1452 dns_over_tls = get_option('dns-over-tls')
1453 if dns_over_tls != 'false'
1454 if dns_over_tls == 'gnutls' and conf.get('PREFER_OPENSSL') == 1
1455 error('Sorry, -Ddns-over-tls=gnutls is not supported when openssl is used as the cryptolib')
1458 if dns_over_tls == 'gnutls'
1459 have_openssl = false
1461 have_openssl = conf.get('HAVE_OPENSSL') == 1
1462 if dns_over_tls == 'openssl' and not have_openssl
1463 error('DNS-over-TLS support was requested with openssl, but dependencies are not available')
1466 if dns_over_tls == 'openssl' or have_openssl
1469 have_gnutls = conf.get('HAVE_GNUTLS') == 1 and libgnutls.version().version_compare('>= 3.6.0')
1470 if dns_over_tls != 'auto' and not have_gnutls
1471 str = dns_over_tls == 'gnutls' ? ' with gnutls' : ''
1472 error('DNS-over-TLS support was requested@0@, but dependencies are not available'.format(str))
1475 have = have_gnutls or have_openssl
1479 have_openssl = false
1481 conf.set10('ENABLE_DNS_OVER_TLS', have)
1482 conf.set10('DNS_OVER_TLS_USE_GNUTLS', have_gnutls)
1483 conf.set10('DNS_OVER_TLS_USE_OPENSSL', have_openssl)
1485 default_dns_over_tls = get_option('default-dns-over-tls')
1486 if default_dns_over_tls != 'no' and conf.get('ENABLE_DNS_OVER_TLS') == 0
1487 message('default-dns-over-tls cannot be enabled or set to opportunistic when DNS-over-TLS support is disabled. Setting default-dns-over-tls to no.')
1488 default_dns_over_tls = 'no'
1490 conf.set('DEFAULT_DNS_OVER_TLS_MODE',
1491 'DNS_OVER_TLS_' + default_dns_over_tls.underscorify().to_upper())
1492 conf.set_quoted('DEFAULT_DNS_OVER_TLS_MODE_STR', default_dns_over_tls)
1494 default_mdns = get_option('default-mdns')
1495 conf.set('DEFAULT_MDNS_MODE',
1496 'RESOLVE_SUPPORT_' + default_mdns.to_upper())
1497 conf.set_quoted('DEFAULT_MDNS_MODE_STR', default_mdns)
1499 default_llmnr = get_option('default-llmnr')
1500 conf.set('DEFAULT_LLMNR_MODE',
1501 'RESOLVE_SUPPORT_' + default_llmnr.to_upper())
1502 conf.set_quoted('DEFAULT_LLMNR_MODE_STR', default_llmnr)
1504 have = get_option('repart').require(
1505 conf.get('HAVE_LIBFDISK') == 1,
1506 error_message : 'fdisk required').allowed()
1507 conf.set10('ENABLE_REPART', have)
1509 default_dnssec = get_option('default-dnssec')
1510 if default_dnssec != 'no' and conf.get('HAVE_OPENSSL_OR_GCRYPT') == 0
1511 message('default-dnssec cannot be set to yes or allow-downgrade openssl and gcrypt are disabled. Setting default-dnssec to no.')
1512 default_dnssec = 'no'
1514 conf.set('DEFAULT_DNSSEC_MODE',
1515 'DNSSEC_' + default_dnssec.underscorify().to_upper())
1516 conf.set_quoted('DEFAULT_DNSSEC_MODE_STR', default_dnssec)
1518 have = get_option('sysupdate').require(
1519 conf.get('HAVE_OPENSSL') == 1 and
1520 conf.get('HAVE_LIBFDISK') == 1,
1521 error_message : 'fdisk and openssl required').allowed()
1522 conf.set10('ENABLE_SYSUPDATE', have)
1524 have = get_option('importd').require(
1525 conf.get('HAVE_LIBCURL') == 1 and
1526 conf.get('HAVE_OPENSSL_OR_GCRYPT') == 1 and
1527 conf.get('HAVE_ZLIB') == 1 and
1528 conf.get('HAVE_XZ') == 1,
1529 error_message : 'curl, openssl/grypt, zlib and xz required').allowed()
1530 conf.set10('ENABLE_IMPORTD', have)
1532 have = get_option('homed').require(
1533 conf.get('HAVE_OPENSSL') == 1 and
1534 conf.get('HAVE_LIBFDISK') == 1 and
1535 conf.get('HAVE_LIBCRYPTSETUP') == 1,
1536 error_message : 'openssl, fdisk and libcryptsetup required').allowed()
1537 conf.set10('ENABLE_HOMED', have)
1539 have = have and conf.get('HAVE_PAM') == 1
1540 conf.set10('ENABLE_PAM_HOME', have)
1542 feature = get_option('remote')
1543 have_deps = [conf.get('HAVE_MICROHTTPD') == 1,
1544 conf.get('HAVE_LIBCURL') == 1]
1545 # sd-j-remote requires µhttpd, and sd-j-upload requires libcurl, so
1546 # it's possible to build one without the other. Complain only if
1547 # support was explicitly requested. The auxiliary files like sysusers
1548 # config should be installed when any of the programs are built.
1549 if feature.enabled() and not (have_deps[0] and have_deps[1])
1550 error('remote support was requested, but dependencies are not available')
1552 have = feature.allowed() and (have_deps[0] or have_deps[1])
1553 conf.set10('ENABLE_REMOTE', have)
1555 foreach term : ['analyze',
1558 'compat-mutable-uid-boundaries',
1597 have = get_option(term)
1598 name = 'ENABLE_' + term.underscorify().to_upper()
1599 conf.set10(name, have)
1602 enable_sysusers = conf.get('ENABLE_SYSUSERS') == 1
1604 foreach tuple : [['nss-mymachines', 'machined'],
1605 ['nss-resolve', 'resolve']]
1606 want = get_option(tuple[0])
1608 have = get_option(tuple[1])
1609 if want.enabled() and not have
1610 error('@0@ is requested but @1@ is disabled'.format(tuple[0], tuple[1]))
1615 name = 'ENABLE_' + tuple[0].underscorify().to_upper()
1616 conf.set10(name, have)
1620 foreach term : ['ENABLE_NSS_MYHOSTNAME',
1621 'ENABLE_NSS_MYMACHINES',
1622 'ENABLE_NSS_RESOLVE',
1623 'ENABLE_NSS_SYSTEMD']
1624 if conf.get(term) == 1
1628 conf.set10('ENABLE_NSS', enable_nss)
1630 conf.set10('ENABLE_TIMEDATECTL', get_option('timedated') or get_option('timesyncd'))
1632 conf.set10('SYSTEMD_SLOW_TESTS_DEFAULT', slow_tests)
1634 ############################################################
1636 pymod = import('python')
1637 python = pymod.find_installation('python3', required : true, modules : ['jinja2'])
1638 python_39 = python.language_version().version_compare('>=3.9')
1640 ############################################################
1642 if conf.get('BPF_FRAMEWORK') == 1
1645 '-Wno-compare-distinct-pointer-types',
1646 '-fno-stack-protector',
1656 '-fno-stack-protector',
1665 # Generate defines that are appropriate to tell the compiler what architecture
1666 # we're compiling for. By default we just map meson's cpu_family to __<cpu_family>__.
1667 # This dictionary contains the exceptions where this doesn't work.
1669 # C.f. https://mesonbuild.com/Reference-tables.html#cpu-families
1670 # and src/basic/missing_syscall_def.h.
1671 cpu_arch_defines = {
1672 'ppc' : ['-D__powerpc__'],
1673 'ppc64' : ['-D__powerpc64__', '-D_CALL_ELF=2'],
1674 'riscv32' : ['-D__riscv', '-D__riscv_xlen=32'],
1675 'riscv64' : ['-D__riscv', '-D__riscv_xlen=64'],
1676 'x86' : ['-D__i386__'],
1678 # For arm, assume hardware fp is available.
1679 'arm' : ['-D__arm__', '-D__ARM_PCS_VFP'],
1682 bpf_arch_flags = cpu_arch_defines.get(host_machine.cpu_family(),
1683 ['-D__@0@__'.format(host_machine.cpu_family())])
1684 if bpf_compiler == 'gcc'
1685 bpf_arch_flags += ['-m' + host_machine.endian() + '-endian']
1688 libbpf_include_dir = libbpf.get_variable(pkgconfig : 'includedir')
1690 bpf_o_unstripped_cmd = []
1691 if bpf_compiler == 'clang'
1692 bpf_o_unstripped_cmd += [
1697 elif bpf_compiler == 'gcc'
1698 bpf_o_unstripped_cmd += [
1705 bpf_o_unstripped_cmd += ['-I.']
1707 if not meson.is_cross_build() and bpf_compiler == 'clang'
1708 target_triplet_cmd = run_command('gcc', '-dumpmachine', check: false)
1709 if target_triplet_cmd.returncode() == 0
1710 target_triplet = target_triplet_cmd.stdout().strip()
1711 bpf_o_unstripped_cmd += [
1713 '/usr/include/@0@'.format(target_triplet)
1718 bpf_o_unstripped_cmd += [
1734 elif bpf_compiler == 'clang'
1752 #####################################################################
1757 'loongarch32' : 'loongarch32',
1758 'loongarch64' : 'loongarch64',
1759 'riscv32' : 'riscv32',
1760 'riscv64' : 'riscv64',
1763 }.get(host_machine.cpu_family(), '')
1765 pyelftools = pymod.find_installation('python3',
1766 required : get_option('bootloader'),
1767 modules : ['elftools'])
1769 have = get_option('bootloader').require(
1770 pyelftools.found() and get_option('efi') and efi_arch != '',
1771 error_message : 'unsupported EFI arch or EFI support is disabled').allowed()
1772 conf.set10('ENABLE_BOOTLOADER', have)
1773 conf.set_quoted('EFI_MACHINE_TYPE_NAME', have ? efi_arch : '')
1776 efi_cpu_family_alt = ''
1777 if have and efi_arch == 'x64' and cc.links('''
1779 int main(int argc, char *argv[]) {
1780 return __builtin_popcount(argc - CHAR_MAX);
1781 }''', args : ['-m32', '-march=i686'], name : '32bit build possible')
1782 efi_arch_alt = 'ia32'
1783 efi_cpu_family_alt = 'x86'
1786 want_ukify = get_option('ukify').require(python_39, error_message : 'Python >= 3.9 required').allowed()
1787 conf.set10('ENABLE_UKIFY', want_ukify)
1789 ############################################################
1791 elf2efi_py = find_program('tools/elf2efi.py')
1792 export_dbus_interfaces_py = find_program('tools/dbus_exporter.py')
1793 generate_gperfs = find_program('tools/generate-gperfs.py')
1794 make_autosuspend_rules_py = find_program('tools/make-autosuspend-rules.py')
1795 make_directive_index_py = find_program('tools/make-directive-index.py')
1796 make_man_index_py = find_program('tools/make-man-index.py')
1797 meson_render_jinja2 = find_program('tools/meson-render-jinja2.py')
1798 update_dbus_docs_py = find_program('tools/update-dbus-docs.py')
1799 update_hwdb_autosuspend_sh = find_program('tools/update-hwdb-autosuspend.sh')
1800 update_hwdb_sh = find_program('tools/update-hwdb.sh')
1801 update_man_rules_py = find_program('tools/update-man-rules.py')
1802 update_syscall_tables_sh = find_program('tools/update-syscall-tables.sh')
1803 xml_helper_py = find_program('tools/xml_helper.py')
1805 ############################################################
1807 version_tag = get_option('version-tag')
1808 version_h = vcs_tag(
1809 input : 'src/version/version.h.in',
1810 output : 'version.h',
1811 command: [project_source_root / 'tools/meson-vcs-tag.sh',
1812 project_source_root,
1813 meson.project_version(),
1817 shared_lib_tag = get_option('shared-lib-tag')
1818 if shared_lib_tag == ''
1819 shared_lib_tag = meson.project_version()
1822 ############################################################
1824 if get_option('b_coverage')
1825 userspace_c_args += ['-include', 'src/basic/coverage.h']
1828 ############################################################
1830 config_h = configure_file(
1831 output : 'config.h',
1832 configuration : conf)
1834 userspace_c_args += ['-include', 'config.h']
1836 jinja2_cmdline = [meson_render_jinja2, config_h, version_h]
1838 userspace = declare_dependency(
1839 compile_args : userspace_c_args,
1840 link_args : userspace_c_ld_args,
1841 sources : version_h,
1844 man_page_depends = []
1846 ############################################################
1849 libsystemd_tests = []
1852 modules = [] # nss, pam, and other plugins
1854 executables_by_name = {}
1857 # binaries that have --help and are intended for use by humans,
1858 # usually, but not always, installed in /bin.
1859 public_programs = []
1861 # D-Bus introspection XML export
1864 # A list of boot stubs. Required for testing of ukify.
1867 build_dir_include = include_directories('.')
1869 basic_includes = include_directories(
1875 libsystemd_includes = [basic_includes, include_directories(
1876 'src/libsystemd/sd-bus',
1877 'src/libsystemd/sd-device',
1878 'src/libsystemd/sd-event',
1879 'src/libsystemd/sd-hwdb',
1880 'src/libsystemd/sd-id128',
1881 'src/libsystemd/sd-journal',
1882 'src/libsystemd/sd-netlink',
1883 'src/libsystemd/sd-network',
1884 'src/libsystemd/sd-resolve')]
1886 includes = [libsystemd_includes, include_directories('src/shared')]
1890 subdir('src/fundamental')
1892 subdir('src/libsystemd')
1893 subdir('src/shared')
1894 subdir('src/libudev')
1896 libsystemd = shared_library(
1898 version : libsystemd_version,
1899 include_directories : libsystemd_includes,
1900 link_args : ['-shared',
1901 '-Wl,--version-script=' + libsystemd_sym_path],
1902 link_with : [libbasic,
1905 link_whole : [libsystemd_static],
1906 dependencies : [librt,
1909 link_depends : libsystemd_sym,
1911 install_tag: 'libsystemd',
1912 install_dir : libdir)
1914 alias_target('libsystemd', libsystemd)
1916 install_libsystemd_static = static_library(
1920 basic_gcrypt_sources,
1921 basic_compress_sources,
1922 fundamental_sources,
1923 include_directories : libsystemd_includes,
1924 build_by_default : static_libsystemd != 'false',
1925 install : static_libsystemd != 'false',
1926 install_tag: 'libsystemd',
1927 install_dir : libdir,
1928 pic : static_libsystemd_pic,
1929 dependencies : [libblkid,
1941 c_args : libsystemd_c_args + (static_libsystemd_pic ? [] : ['-fno-PIC']))
1943 libudev = shared_library(
1945 version : libudev_version,
1946 include_directories : includes,
1947 link_args : ['-shared',
1948 '-Wl,--version-script=' + libudev_sym_path],
1949 link_with : [libsystemd_static, libshared_static],
1950 link_whole : libudev_basic,
1951 dependencies : [threads,
1953 link_depends : libudev_sym,
1955 install_tag: 'libudev',
1956 install_dir : libdir)
1958 alias_target('libudev', libudev)
1960 install_libudev_static = static_library(
1963 fundamental_sources,
1967 include_directories : includes,
1968 build_by_default : static_libudev != 'false',
1969 install : static_libudev != 'false',
1970 install_tag: 'libudev',
1971 install_dir : libdir,
1972 link_depends : libudev_sym,
1973 dependencies : [libmount,
1976 c_args : static_libudev_pic ? [] : ['-fno-PIC'],
1977 pic : static_libudev_pic)
1979 ############################################################
1981 runtest_env = custom_target(
1982 'systemd-runtest.env',
1983 output : 'systemd-runtest.env',
1984 command : [sh, '-c',
1985 '{ echo SYSTEMD_TEST_DATA=@0@; echo SYSTEMD_CATALOG_DIR=@1@; } >@OUTPUT@'.format(
1986 project_source_root / 'test',
1987 project_build_root / 'catalog')],
1989 build_by_default : true)
1991 test_cflags = ['-DTEST_CODE=1']
1992 # We intentionally do not do inline initializations with definitions for a
1993 # bunch of _cleanup_ variables in tests, to ensure valgrind is triggered if we
1994 # use the variable unexpectedly. This triggers a lot of maybe-uninitialized
1995 # false positives when the combination of -O2 and -flto is used. Suppress them.
1996 if '-O2' in c_args and '-flto=auto' in c_args
1997 test_cflags += cc.first_supported_argument('-Wno-maybe-uninitialized')
2000 ############################################################
2002 executable_template = {
2003 'include_directories' : includes,
2004 'link_with' : libshared,
2005 'install_rpath' : pkglibdir,
2009 generator_template = executable_template + {
2010 'install_dir' : systemgeneratordir,
2013 libexec_template = executable_template + {
2014 'install_dir' : libexecdir,
2017 executable_additional_kwargs = {
2018 'dependencies' : userspace,
2021 test_template = executable_template + {
2022 'build_by_default' : want_tests != 'false',
2023 'install' : install_tests,
2024 'install_dir' : unittestsdir,
2027 test_additional_kwargs = {
2028 'c_args' : test_cflags,
2029 'link_depends' : runtest_env,
2032 fuzz_template = executable_template + {
2033 'build_by_default' : fuzzer_build,
2037 if want_ossfuzz or (want_libfuzzer and fuzzing_engine.found())
2038 fuzz_additional_kwargs = {
2039 'dependencies' : fuzzing_engine,
2041 elif want_libfuzzer and not fuzzing_engine.found()
2042 fuzz_additional_kwargs = {
2043 'link_args' : ['-fsanitize=fuzzer'],
2046 fuzz_additional_kwargs = {
2047 'sources' : files('src/fuzz/fuzz-main.c'),
2050 fuzz_additional_kwargs += {
2051 'include_directories' : include_directories('src/fuzz'),
2052 'c_args' : test_cflags,
2057 'include_directories' : includes,
2058 # Note that we link NSS modules with '-z nodelete' so that mempools never get orphaned
2059 'link_args' : ['-z', 'nodelete'],
2070 'install_tag' : 'nss',
2071 'install_dir' : libdir,
2076 'include_directories' : includes,
2087 'install_tag' : 'pam',
2088 'install_dir' : pamlibdir,
2091 module_additional_kwargs = {
2092 'link_args' : ['-shared'],
2093 'dependencies' : userspace,
2096 ############################################################
2098 # systemd-analyze requires 'libcore'
2100 # systemd-networkd requires 'libsystemd_network'
2101 subdir('src/libsystemd-network')
2102 # hwdb requires 'udev_link_with' and 'udev_rpath'
2105 subdir('src/ac-power')
2106 subdir('src/analyze')
2107 subdir('src/ask-password')
2108 subdir('src/backlight')
2109 subdir('src/battery-check')
2110 subdir('src/binfmt')
2112 subdir('src/boot/efi')
2113 subdir('src/busctl')
2115 subdir('src/cgroups-agent')
2117 subdir('src/coredump')
2119 subdir('src/cryptenroll')
2120 subdir('src/cryptsetup')
2121 subdir('src/debug-generator')
2123 subdir('src/detect-virt')
2124 subdir('src/dissect')
2125 subdir('src/environment-d-generator')
2126 subdir('src/escape')
2127 subdir('src/firstboot')
2129 subdir('src/fstab-generator')
2130 subdir('src/getty-generator')
2131 subdir('src/gpt-auto-generator')
2132 subdir('src/hibernate-resume')
2134 subdir('src/hostname')
2137 subdir('src/import')
2138 subdir('src/initctl')
2139 subdir('src/integritysetup')
2140 subdir('src/journal')
2141 subdir('src/journal-remote')
2142 subdir('src/kernel-install')
2143 subdir('src/locale')
2145 subdir('src/machine')
2146 subdir('src/machine-id-setup')
2147 subdir('src/modules-load')
2149 subdir('src/network')
2150 subdir('src/notify')
2151 subdir('src/nspawn')
2152 subdir('src/nss-myhostname')
2153 subdir('src/nss-mymachines')
2154 subdir('src/nss-resolve')
2155 subdir('src/nss-systemd')
2157 subdir('src/partition')
2159 subdir('src/pcrextend')
2160 subdir('src/portable')
2161 subdir('src/pstore')
2162 subdir('src/quotacheck')
2163 subdir('src/random-seed')
2164 subdir('src/rc-local-generator')
2165 subdir('src/remount-fs')
2166 subdir('src/reply-password')
2167 subdir('src/resolve')
2168 subdir('src/rfkill')
2171 subdir('src/run-generator')
2172 subdir('src/shutdown')
2174 subdir('src/socket-activate')
2175 subdir('src/socket-proxy')
2176 subdir('src/stdio-bridge')
2177 subdir('src/sulogin-shell')
2178 subdir('src/sysctl')
2179 subdir('src/sysext')
2180 subdir('src/system-update-generator')
2181 subdir('src/systemctl')
2182 subdir('src/sysupdate')
2183 subdir('src/sysusers')
2184 subdir('src/sysv-generator')
2185 subdir('src/timedate')
2186 subdir('src/timesync')
2187 subdir('src/tpm2-setup')
2188 subdir('src/tmpfiles')
2189 subdir('src/tty-ask-password-agent')
2190 subdir('src/update-done')
2191 subdir('src/update-utmp')
2192 subdir('src/user-sessions')
2193 subdir('src/userdb')
2194 subdir('src/vconsole')
2195 subdir('src/veritysetup')
2196 subdir('src/volatile-root')
2197 subdir('src/xdg-autostart-generator')
2199 subdir('src/systemd')
2203 subdir('src/ukify/test') # needs to be last for test_env variable
2206 alias_target('devel', libsystemd_pc, libudev_pc, systemd_pc, udev_pc)
2208 ############################################################
2210 foreach test : simple_tests
2211 executables += test_template + { 'sources' : [test] }
2214 foreach test : libsystemd_tests
2215 executables += test_template + test
2218 foreach fuzzer : simple_fuzzers
2219 executables += fuzz_template + { 'sources' : [fuzzer] }
2222 foreach dict : executables
2223 name = dict.get('name', '')
2225 name = fs.stem(dict.get('sources')[0])
2226 assert(name.split('-')[0] in ['test', 'fuzz'])
2229 is_test = name.startswith('test-')
2230 is_fuzz = name.startswith('fuzz-')
2233 foreach cond : dict.get('conditions', [])
2234 if conf.get(cond) != 1
2244 foreach key, val : dict
2245 if key in ['name', 'dbus', 'public', 'conditions',
2246 'type', 'suite', 'timeout', 'parallel']
2250 kwargs += { key : val }
2253 foreach key, val : executable_additional_kwargs
2254 kwargs += { key : [ kwargs.get(key, []), val ]}
2258 kwargs += { 'install_dir' : kwargs.get('install_dir') / dict.get('type', '') }
2259 foreach key, val : test_additional_kwargs
2260 kwargs += { key : [ kwargs.get(key, []), val ] }
2265 foreach key, val : fuzz_additional_kwargs
2266 kwargs += { key : [ kwargs.get(key, []), val ] }
2275 executables_by_name += { name : exe }
2277 if dict.get('build_by_default', true)
2278 if dict.get('dbus', false)
2279 dbus_programs += exe
2281 if dict.get('public', false)
2282 public_programs += exe
2287 type = dict.get('type', '')
2288 suite = dict.get('suite', '')
2290 suite = fs.name(fs.parent(dict.get('sources')[0]))
2291 if suite.startswith('sd-')
2292 suite = 'libsystemd'
2297 message('@0@/@1@ is a manual test'.format(suite, name))
2298 elif type == 'unsafe' and want_tests != 'unsafe'
2299 message('@0@/@1@ is an unsafe test'.format(suite, name))
2300 elif dict.get('build_by_default')
2303 timeout : dict.get('timeout', 30),
2305 is_parallel : dict.get('parallel', true))
2312 if want_tests != 'false'
2313 # Run the fuzz regression tests without any sanitizers enabled.
2314 # Additional invocations with sanitizers may get added below.
2315 fuzz_ins = fuzz_regression_tests.get(name, {})
2316 foreach directive : fuzz_ins.get('directives', [])
2317 tt = '@0@_@1@'.format(name, fs.name(directive.full_path()))
2318 if tt.substring(45) != ''
2319 error('Directive sample name is too long:', directive.full_path())
2325 args : directive.full_path(),
2326 depends : directive)
2328 foreach file : fuzz_ins.get('files', [])
2329 tt = '@0@_@1@'.format(name, fs.name(file))
2330 if tt.substring(45) != ''
2331 error('Fuzz sample name is too long:', fs.name(file))
2343 alias_target('fuzzers', fuzzer_exes)
2345 ############################################################
2347 test_dlopen = executables_by_name.get('test-dlopen')
2349 foreach dict : modules
2350 name = dict.get('name')
2351 is_nss = name.startswith('nss_')
2352 is_pam = name.startswith('pam_')
2355 foreach cond : dict.get('conditions', [])
2356 if conf.get(cond) != 1
2366 foreach key, val : dict
2367 if key in ['name', 'conditions', 'version-script']
2370 kwargs += { key : val }
2375 kwargs.get('link_args', []),
2376 '-Wl,--version-script=' + dict.get('version-script'),
2379 kwargs.get('link_depends', []),
2380 dict.get('version-script'),
2383 foreach key, val : module_additional_kwargs
2384 kwargs += { key : [ kwargs.get(key, []), val ]}
2387 lib = shared_library(
2393 # We cannot use shared_module because it does not support version suffix.
2394 # Unfortunately shared_library insists on creating the symlink…
2395 meson.add_install_script(sh, '-c', 'rm $DESTDIR@0@/lib@1@.so'.format(libdir, name),
2396 install_tag : 'nss')
2399 if want_tests != 'false' and (is_nss or is_pam)
2400 test('dlopen-' + name,
2402 # path to dlopen must include a slash
2403 args : lib.full_path(),
2405 suite : is_nss ? 'nss' : 'pam')
2409 ############################################################
2411 ukify = custom_target(
2413 input : 'src/ukify/ukify.py',
2415 command : [jinja2_cmdline, '@INPUT@', '@OUTPUT@'],
2416 install : want_ukify,
2417 install_mode : 'rwxr-xr-x',
2418 install_dir : bindir)
2420 public_programs += ukify
2422 # symlink for backwards compatibility after rename
2423 meson.add_install_script(sh, '-c',
2424 ln_s.format(bindir / 'ukify',
2425 libexecdir / 'ukify'))
2428 ############################################################
2433 ############################################################
2435 subdir('docs/sysvinit')
2436 subdir('docs/var-log')
2439 subdir('modprobe.d')
2442 subdir('shell-completion/bash')
2443 subdir('shell-completion/zsh')
2445 subdir('sysusers.d')
2446 subdir('tmpfiles.d')
2449 install_subdir('factory/etc',
2450 install_dir : factorydir)
2451 subdir('factory/templates')
2453 if install_sysconfdir
2454 install_data('xorg/50-systemd-user.sh',
2455 install_dir : xinitrcdir)
2457 install_data('LICENSE.GPL2',
2461 'docs/CODING_STYLE.md',
2462 'docs/DISTRO_PORTING.md',
2463 'docs/ENVIRONMENT.md',
2465 'docs/TRANSIENT-SETTINGS.md',
2466 'docs/TRANSLATORS.md',
2467 'docs/UIDS-GIDS.md',
2468 install_dir : docdir)
2470 install_subdir('LICENSES',
2471 install_dir : docdir)
2473 install_emptydir(systemdstatedir)
2475 ############################################################
2477 # Ensure that changes to the docs/ directory do not break the
2478 # basic Github pages build. But only run it in developer mode,
2479 # as it might be fragile due to changes in the tooling, and it is
2480 # not generally useful for users.
2481 jekyll = find_program('jekyll', required : false)
2482 if get_option('mode') == 'developer' and want_tests != 'false' and jekyll.found()
2483 test('github-pages',
2487 '--source', project_source_root / 'docs',
2488 '--destination', project_build_root / '_site'])
2491 ############################################################
2493 check_help = find_program('tools/check-help.sh')
2494 check_version = find_program('tools/check-version.sh')
2496 foreach exec : public_programs
2497 name = fs.name(exec.full_path())
2498 if want_tests != 'false'
2499 test('check-help-' + name,
2502 args : exec.full_path(),
2505 test('check-version-' + name,
2508 args : [exec.full_path(),
2509 meson.project_version()],
2514 # Enable tests for all supported sanitizers
2515 foreach tuple : fuzz_sanitizers
2516 sanitizer = tuple[0]
2519 if cc.has_link_argument('-fsanitize=@0@'.format(sanitizer))
2520 foreach fuzzer, fuzz_ins : fuzz_regression_tests
2521 name = '@0@:@1@'.format(fuzzer, sanitizer)
2522 if want_tests == 'false'
2523 message('Not compiling @0@ because tests is set to false'.format(name))
2527 message('Not compiling @0@ because fuzz-tests is set to false'.format(name))
2530 exe = custom_target(
2534 command : [ln, '-fs',
2535 build.full_path() / fuzzer,
2537 build_by_default : true)
2539 foreach directive : fuzz_ins.get('directives', [])
2540 test('@0@_@1@_@2@'.format(fuzzer, fs.name(directive.full_path()), sanitizer),
2543 env : ['UBSAN_OPTIONS=print_stacktrace=1:print_summary=1:halt_on_error=1'],
2545 args : [exe.full_path(), directive.full_path()],
2546 depends : directive)
2548 foreach file : fuzz_ins.get('files', [])
2549 test('@0@_@1@_@2@'.format(fuzzer, fs.name(file), sanitizer),
2552 env : ['UBSAN_OPTIONS=print_stacktrace=1:print_summary=1:halt_on_error=1'],
2554 args : [exe.full_path(), file])
2560 ############################################################
2563 all_files = run_command(
2564 env, '-u', 'GIT_WORK_TREE',
2565 git, '--git-dir=@0@/.git'.format(project_source_root),
2566 'ls-files', ':/*.[ch]', ':/*.cc',
2568 if all_files.returncode() == 0
2569 all_files = files(all_files.stdout().split())
2574 command : [env, 'etags', '-o', '@0@/TAGS'.format(project_source_root)] + all_files)
2577 command : [env, 'ctags', '--tag-relative=never', '-o', '@0@/tags'.format(project_source_root)] + all_files)
2579 ############################################
2581 if want_tests != 'false' and conf.get('BUILD_MODE_DEVELOPER') == 1
2582 test('check-includes',
2583 files('tools/check-includes.py'),
2585 env : ['PROJECT_SOURCE_ROOT=@0@'.format(project_source_root)],
2590 ####################################################
2592 git_contrib_sh = find_program('tools/git-contrib.sh')
2595 command : [git_contrib_sh])
2597 ####################################################
2599 git_head = run_command(
2600 git, '--git-dir=@0@/.git'.format(project_source_root),
2601 'rev-parse', 'HEAD',
2602 check : false).stdout().strip()
2603 git_head_short = run_command(
2604 git, '--git-dir=@0@/.git'.format(project_source_root),
2605 'rev-parse', '--short=7', 'HEAD',
2606 check : false).stdout().strip()
2610 command : [git, 'archive',
2611 '-o', '@0@/systemd-@1@.tar.gz'.format(project_source_root,
2613 '--prefix', 'systemd-@0@/'.format(git_head),
2617 ############################################################
2619 check_api_docs_sh = find_program('tools/check-api-docs.sh')
2622 depends : [man, libsystemd, libudev],
2623 command : [check_api_docs_sh, libsystemd.full_path(), libudev.full_path()])
2625 alias_target('update-dbus-docs', update_dbus_docs)
2626 alias_target('update-man-rules', update_man_rules)
2628 if not meson.is_cross_build()
2630 'export-dbus-interfaces',
2631 output : fs.name(dbus_interfaces_dir),
2632 install : dbus_interfaces_dir != 'no',
2633 install_dir : fs.parent(dbus_interfaces_dir),
2634 command : [export_dbus_interfaces_py, '@OUTPUT@', dbus_programs])
2637 ############################################################
2639 alt_time_epoch = run_command('date', '-Is', '-u', '-d', '@@0@'.format(time_epoch),
2640 check : true).stdout().strip()
2643 'split bin-sbin' : split_bin,
2644 'prefix directory' : prefixdir,
2645 'sysconf directory' : sysconfdir,
2646 'include directory' : includedir,
2647 'lib directory' : libdir,
2648 'SysV init scripts' : sysvinit_path,
2649 'SysV rc?.d directories' : sysvrcnd_path,
2650 'PAM modules directory' : pamlibdir,
2651 'PAM configuration directory' : pamconfdir,
2652 'libcryptsetup plugins directory' : libcryptsetup_plugins_dir,
2653 'RPM macros directory' : rpmmacrosdir,
2654 'modprobe.d directory' : modprobedir,
2655 'D-Bus policy directory' : dbuspolicydir,
2656 'D-Bus session directory' : dbussessionservicedir,
2657 'D-Bus system directory' : dbussystemservicedir,
2658 'D-Bus interfaces directory' : dbus_interfaces_dir,
2659 'bash completions directory' : bashcompletiondir,
2660 'zsh completions directory' : zshcompletiondir,
2661 'private shared lib version tag' : shared_lib_tag,
2662 'extra start script' : get_option('rc-local'),
2663 'debug shell' : '@0@ @ @1@'.format(get_option('debug-shell'),
2664 get_option('debug-tty')),
2665 'system UIDs' : '<=@0@ (alloc >=@1@)'.format(conf.get('SYSTEM_UID_MAX'),
2666 conf.get('SYSTEM_ALLOC_UID_MIN')),
2667 'system GIDs' : '<=@0@ (alloc >=@1@)'.format(conf.get('SYSTEM_GID_MAX'),
2668 conf.get('SYSTEM_ALLOC_GID_MIN')),
2669 'dynamic UIDs' : '@0@…@1@'.format(dynamic_uid_min, dynamic_uid_max),
2670 'container UID bases' : '@0@…@1@'.format(container_uid_base_min, container_uid_base_max),
2671 'static UID/GID allocations' : ' '.join(static_ugids),
2672 '/dev/kvm access mode' : get_option('dev-kvm-mode'),
2673 'render group access mode' : get_option('group-render-mode'),
2674 'certificate root directory' : get_option('certificate-root'),
2675 'support URL' : support_url,
2676 'nobody user name' : nobody_user,
2677 'nobody group name' : nobody_group,
2678 'fallback hostname' : get_option('fallback-hostname'),
2679 'default compression method' : compression,
2680 'default DNSSEC mode' : default_dnssec,
2681 'default DNS-over-TLS mode' : default_dns_over_tls,
2682 'default mDNS mode' : default_mdns,
2683 'default LLMNR mode' : default_llmnr,
2684 'default DNS servers' : dns_servers.split(' '),
2685 'default NTP servers' : ntp_servers.split(' '),
2686 'default cgroup hierarchy' : default_hierarchy,
2687 'default net.naming-scheme value' : default_net_naming_scheme,
2688 'default KillUserProcesses value' : kill_user_processes,
2689 'default locale' : default_locale,
2690 'default nspawn locale' : nspawn_locale,
2691 'default status unit format' : status_unit_format_default,
2692 'default user $PATH' :
2693 default_user_path != '' ? default_user_path : '(same as system services)',
2694 'systemd service watchdog' : service_watchdog == '' ? 'disabled' : service_watchdog,
2695 'time epoch' : '@0@ (@1@)'.format(time_epoch, alt_time_epoch)})
2698 # CFLAGS: ${OUR_CFLAGS} ${CFLAGS}
2699 # CPPFLAGS: ${OUR_CPPFLAGS} ${CPPFLAGS}
2700 # LDFLAGS: ${OUR_LDFLAGS} ${LDFLAGS}
2721 ['libcryptsetup-plugins'],
2749 ['bpf-framework', conf.get('BPF_FRAMEWORK') == 1],
2778 ['systemd-analyze', conf.get('ENABLE_ANALYZE') == 1],
2793 ['legacy-pkla', install_polkit_pkla],
2799 ['man pages', want_man],
2800 ['html pages', want_html],
2801 ['man page indices', want_man and have_lxml],
2803 ['compat-mutable-uid-boundaries'],
2806 ['adm group', get_option('adm-group')],
2807 ['wheel group', get_option('wheel-group')],
2810 ['debug mmap cache'],
2812 ['trace logging', conf.get('LOG_TRACE') == 1],
2813 ['slow tests', slow_tests],
2814 ['fuzz tests', fuzz_tests],
2815 ['install tests', install_tests],
2816 ['link-udev-shared', get_option('link-udev-shared')],
2817 ['link-systemctl-shared', get_option('link-systemctl-shared')],
2818 ['link-networkd-shared', get_option('link-networkd-shared')],
2819 ['link-timesyncd-shared', get_option('link-timesyncd-shared')],
2820 ['link-journalctl-shared', get_option('link-journalctl-shared')],
2821 ['link-boot-shared', get_option('link-boot-shared')],
2822 ['link-portabled-shared', get_option('link-portabled-shared')],
2823 ['first-boot-full-preset'],
2825 ['standalone-binaries', get_option('standalone-binaries')],
2826 ['coverage', get_option('b_coverage')],
2829 if tuple.length() >= 2
2832 ident1 = 'HAVE_' + tuple[0].underscorify().to_upper()
2833 ident2 = 'ENABLE_' + tuple[0].underscorify().to_upper()
2834 cond = conf.get(ident1, 0) == 1 or conf.get(ident2, 0) == 1
2843 if static_libsystemd == 'false'
2844 missing += 'static-libsystemd'
2846 found += 'static-libsystemd(@0@)'.format(static_libsystemd)
2849 if static_libudev == 'false'
2850 missing += 'static-libudev'
2852 found += 'static-libudev(@0@)'.format(static_libudev)
2855 if conf.get('HAVE_OPENSSL_OR_GCRYPT') == 1 and conf.get('PREFER_OPENSSL') == 1
2856 found += 'cryptolib(openssl)'
2857 elif conf.get('HAVE_OPENSSL_OR_GCRYPT') == 1
2858 found += 'cryptolib(gcrypt)'
2860 missing += 'cryptolib'
2863 if conf.get('DNS_OVER_TLS_USE_GNUTLS') == 1
2864 found += 'DNS-over-TLS(gnutls)'
2865 elif conf.get('DNS_OVER_TLS_USE_OPENSSL') == 1
2866 found += 'DNS-over-TLS(openssl)'
2868 missing += 'DNS-over-TLS'
2872 'enabled' : ', '.join(found),
2873 'disabled' : ', '.join(missing)},
2874 section : 'Features')