]> git.proxmox.com Git - mirror_lxc.git/blame - meson.build
Merge pull request #4255 from gibmat/fix-sparc64-link-error
[mirror_lxc.git] / meson.build
CommitLineData
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1# SPDX-License-Identifier: LGPL-2.1-or-later
2
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3# Project.
4project(
5 'lxc',
6 'c',
1f8c3557 7 version: '5.0.0',
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8 license: 'LGPLv2+',
9 default_options: [
10 'b_lto=true',
11 'b_lto_mode=thin',
12 'b_colorout=always',
a8e1070c 13 'b_asneeded=false',
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14 'b_pie=true',
15 'b_staticpic=true',
16 'c_std=gnu11',
17 'warning_level=2',
18 ],
d841229e 19 meson_version: '>= 0.61')
9b9d56e6 20
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21cc = meson.get_compiler('c')
22pkgconfig = import('pkgconfig')
0860988e 23pkgconfig_libs = []
9b9d56e6 24
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25liblxc_dependencies = []
26oss_fuzz_dependencies = []
27
20b03401 28# Version.
eba7f7a6 29liblxc_version = '1.7.0'
9b9d56e6 30version_data = configuration_data()
1f8c3557 31version_data.set('LXC_VERSION_MAJOR', '5')
9b9d56e6 32version_data.set('LXC_VERSION_MINOR', '0')
eba7f7a6 33version_data.set('LXC_VERSION_MICRO', '0')
e18dbec7 34version_data.set('LXC_VERSION_BETA', '')
eba7f7a6 35version_data.set('LXC_ABI', liblxc_version)
e73520ad 36version_data.set('LXC_DEVEL', '1')
eba7f7a6 37version_data.set('LXC_VERSION', meson.project_version())
9b9d56e6 38
eba7f7a6 39# Path handling.
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40project_source_root = meson.current_source_dir()
41project_build_root = meson.current_build_dir()
9b9d56e6 42prefixdir = get_option('prefix')
20b03401 43
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44apparmorcachedir = get_option('apparmor-cache-path')
45globalconfig = get_option('global-config-path')
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46localstatedir = join_paths('/', get_option('localstatedir'))
47logpath = get_option('log-path')
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48lxcpathprefix = get_option('data-path')
49rootfsmount = get_option('rootfs-mount-path')
50user_network_db_opt = get_option('usernet-db-path')
51user_network_conf_opt = get_option('usernet-config-path')
20b03401 52
4a858b56 53bashcompletiondir = join_paths('/', 'usr', 'share', 'bash-completion', 'completions')
9b9d56e6 54bindir = join_paths(prefixdir, get_option('bindir'))
bf1f3470 55datadir = join_paths(prefixdir, get_option('datadir'))
47c56c50 56mandir = join_paths(prefixdir, get_option('mandir'))
7609de18 57docdir = join_paths(datadir, get_option('doc-path'))
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58includedir = join_paths(prefixdir, get_option('includedir'))
59libdir = join_paths(prefixdir, get_option('libdir'))
60libexecdir = join_paths(prefixdir, get_option('libexecdir'))
20b03401 61runtimepath = join_paths(prefixdir, get_option('runtime-path'))
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62sbindir = join_paths(prefixdir, get_option('sbindir'))
63sysconfdir = join_paths(prefixdir, get_option('sysconfdir'))
64
7609de18 65lxcapparmorcachedir = join_paths(localstatedir, apparmorcachedir)
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66lxcconfdir = join_paths(sysconfdir, globalconfig)
67lxcdefaultconfig = join_paths(lxcconfdir, 'default.conf')
68lxcglobalconfig = join_paths(lxcconfdir, 'lxc.conf')
7609de18 69lxcexamplesdir = join_paths(docdir, 'examples')
7609de18 70lxchookbindir = join_paths(libexecdir, 'lxc/hooks')
1a9afacc 71lxcinclude = join_paths(includedir, 'lxc')
2f1bf5f5 72lxclibexec = join_paths(libexecdir, 'lxc')
bf1f3470 73lxclogpath = join_paths(localstatedir, logpath)
bf1f3470 74lxcpath = join_paths(localstatedir, lxcpathprefix)
7609de18 75lxcrootfsmount = join_paths(libdir, rootfsmount)
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76lxcdatadir = join_paths(datadir, 'lxc')
77lxchookdir = join_paths(lxcdatadir, 'hooks')
78lxcselinuxdir = join_paths(lxcdatadir, 'selinux')
79lxctemplateconfdir = join_paths(lxcdatadir, 'config')
80lxctemplateconfcommondir = join_paths(lxctemplateconfdir, 'common.conf.d')
81lxctemplatedir = join_paths(lxcdatadir, 'templates')
72f1c44a 82lxc_user_network_conf = join_paths(sysconfdir, user_network_conf_opt)
72f1c44a 83lxc_user_network_db = join_paths(runtimepath, user_network_db_opt)
8c48813a 84pam_security = join_paths(libdir, 'security')
72f1c44a 85
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86# Configuration options.
87srcconf = configuration_data()
88srcconf.set('_GNU_SOURCE', true)
89srcconf.set('_FILE_OFFSET_BITS', 64)
90srcconf.set('__STDC_FORMAT_MACROS', true)
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91
92## This is a hack to prevent any inclusion ofr linux/mount.h which causes
93## conflicts with sys/mount.h all over the place
94srcconf.set('_LINUX_MOUNT_H', true)
95
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96srcconf.set_quoted('APPARMOR_CACHE_DIR', lxcapparmorcachedir)
97srcconf.set_quoted('LIBEXECDIR', libexecdir)
98srcconf.set_quoted('LOGPATH', lxclogpath)
99srcconf.set_quoted('LXC_DEFAULT_CONFIG', lxcdefaultconfig)
100srcconf.set_quoted('LXC_GLOBAL_CONF', lxcglobalconfig)
101srcconf.set_quoted('LXCINITDIR', libexecdir)
102srcconf.set_quoted('LXCPATH', lxcpath)
103srcconf.set_quoted('LXCROOTFSMOUNT', lxcrootfsmount)
104srcconf.set_quoted('LXCTEMPLATECONFIG', lxctemplateconfdir)
105srcconf.set_quoted('LXCTEMPLATECONFIG', lxctemplateconfdir)
106srcconf.set_quoted('LXCTEMPLATEDIR', lxctemplatedir)
107srcconf.set_quoted('LXC_USERNIC_CONF', lxc_user_network_conf)
108srcconf.set_quoted('LXC_USERNIC_DB', lxc_user_network_db)
109srcconf.set_quoted('RUNTIME_PATH', runtimepath)
110srcconf.set_quoted('SBINDIR', sbindir)
111
112conf = configuration_data()
113conf.set('BINDIR', bindir)
114conf.set('LIBEXECDIR', libexecdir)
115conf.set('LOCALSTATEDIR', localstatedir)
116conf.set('LXC_GLOBAL_CONF', lxcglobalconfig)
117conf.set('LXCHOOKDIR', lxchookdir)
118conf.set('LXCINITDIR', libexecdir)
119conf.set('LXCROOTFSMOUNT', lxcrootfsmount)
120conf.set('LXCTEMPLATECONFIG', lxctemplateconfdir)
121conf.set('LXCTEMPLATEDIR', lxctemplatedir)
122conf.set('PACKAGE_VERSION', meson.project_version())
123conf.set('RUNTIME_PATH', runtimepath)
124conf.set('SYSCONFDIR', sysconfdir)
20b03401 125
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126# Set sysconfdir
127fs = import('fs')
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128distrosysconfdir = get_option('distrosysconfdir')
129if distrosysconfdir != ''
130 distrosysconfdir = join_paths(sysconfdir, distrosysconfdir)
131 conf.set('LXC_DISTRO_SYSCONF', distrosysconfdir)
132elif fs.is_dir('/etc/sysconfig')
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133 distrosysconfdir = join_paths(sysconfdir, 'sysconfig')
134 conf.set('LXC_DISTRO_SYSCONF', distrosysconfdir)
135elif fs.is_dir('/etc/default')
136 distrosysconfdir = join_paths(sysconfdir, 'default')
137 conf.set('LXC_DISTRO_SYSCONF', distrosysconfdir)
138else
16ebb29d 139 error('"distrosysconfdir" is not set')
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140endif
141
d5dff814 142# Cross-compile on Android.
cd3d6515 143srcconf.set10('IS_BIONIC', host_machine.system() == 'android')
d5dff814 144
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145# Custom configuration.
146cgrouppattern = get_option('cgroup-pattern')
4dd5e0cf 147coverity = get_option('coverity-build')
8131bb44 148init_script = get_option('init-script')
5055c73d 149sanitize = get_option('b_sanitize')
7609de18 150want_examples = get_option('examples')
7d8a38b2 151want_io_uring = get_option('io-uring-event-loop')
8c48813a 152want_pam_cgroup = get_option('pam-cgroup')
7609de18 153want_mans = get_option('man')
20b03401 154want_tests = get_option('tests')
b3d18992 155want_tools = get_option('tools')
f4d02217 156want_tools_multicall = get_option('tools-multicall')
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157want_commands = get_option('commands')
158want_capabilities = get_option('capabilities')
159want_apparmor = get_option('apparmor')
160want_openssl = get_option('openssl')
161want_selinux = get_option('selinux')
d42a3b13 162want_oss_fuzz = get_option('oss-fuzz')
0b9adfda 163want_seccomp = get_option('seccomp')
0c4549a3 164want_thread_safety = get_option('thread-safety')
493bf2de 165want_memfd_rexec = get_option('memfd-rexec')
c55353f8 166want_sd_bus = get_option('sd-bus')
20b03401 167
eba7f7a6 168srcconf.set_quoted('DEFAULT_CGROUP_PATTERN', cgrouppattern)
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169if coverity
170 srcconf.set('ENABLE_COVERITY_BUILD', 1)
171endif
9b9d56e6 172
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173dummy_config_data = configuration_data()
174dummy_config_data.set_quoted('DUMMY_VARIABLE', '1')
9b9d56e6 175
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176# Those generate many false positives, and we do not want to change the code to
177# avoid them.
178basic_disabled_warnings = [
179 '-Wno-format-signedness',
180 '-Wno-missing-field-initializers',
181 '-Wno-unused-parameter',
182]
183
20b03401 184# Build flags.
9b9d56e6 185possible_cc_flags = [
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186 '-Wvla',
187 '-Wimplicit-fallthrough=5',
188 '-Wcast-align',
189 '-Wstrict-prototypes',
190 '-fno-strict-aliasing',
191 '-fstack-clash-protection',
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192 '--param=ssp-buffer-size=4',
193 '--mcet -fcf-protection',
194 '-Werror=implicit-function-declaration',
195 '-Wlogical-op',
196 '-Wmissing-include-dirs',
197 '-Wold-style-definition',
198 '-Winit-self',
199 '-Wunused-but-set-variable',
200 '-Wno-unused-parameter',
201 '-Wfloat-equal',
202 '-Wsuggest-attribute=noreturn',
203 '-Werror=return-type',
204 '-Werror=incompatible-pointer-types',
205 '-Wformat=2',
206 '-Wshadow',
207 '-Wendif-labels',
208 '-Werror=overflow',
209 '-fdiagnostics-show-option',
210 '-Werror=shift-count-overflow',
211 '-Werror=shift-overflow=2',
212 '-Wdate-time',
213 '-Wnested-externs',
214 '-fasynchronous-unwind-tables',
215 '-fexceptions',
216 '-Warray-bounds',
217 '-Wrestrict',
218 '-Wreturn-local-addr',
219 '-fsanitize=cfi',
220 '-Wstringop-overflow',
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221]
222
223possible_link_flags = [
a8e1070c 224 '-Wl,--no-as-needed',
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225 '-Wl,--gc-sections',
226 '-Wl,-z,relro',
227 '-Wl,-z,now',
abc5e6bb 228 '-fstack-protector',
5e704fe3 229 '-fstack-protector-strong',
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230]
231
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232# The gold linker fails with a bus error on sparc64
233if build_machine.cpu_family() != 'sparc64'
234 possible_link_flags += '-Wl,-fuse-ld=gold'
235endif
236
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237if sanitize == 'none'
238 possible_link_flags += '-Wl,--warn-common'
239endif
240
241if cc.get_id() == 'clang'
242 possible_cc_flags += [
243 '-Wno-typedef-redefinition',
244 '-Wno-gnu-variable-sized-type-not-at-end',
245 ]
246endif
247
9b9d56e6 248if meson.version().version_compare('>=0.46')
20b03401 249 add_project_link_arguments(cc.get_supported_link_arguments(possible_link_flags), language: 'c')
9b9d56e6 250else
20b03401 251 add_project_link_arguments(possible_link_flags, language: 'c')
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252endif
253
abc5e6bb 254add_project_arguments(cc.get_supported_arguments(basic_disabled_warnings), language : 'c')
20b03401 255add_project_arguments(cc.get_supported_arguments(possible_cc_flags), language: 'c')
9b9d56e6 256
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257if add_languages('cpp', required : want_oss_fuzz)
258 # Used only for tests
259 cxx = meson.get_compiler('cpp')
260 cxx_cmd = ' '.join(cxx.cmd_array())
261 add_project_arguments(cxx.get_supported_arguments(basic_disabled_warnings), language : 'cpp')
262endif
263
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264# Feature detection
265## I/O uring.
7d8a38b2 266if want_io_uring
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267 liburing = dependency('liburing')
268 if cc.has_function('io_uring_prep_poll_add', prefix: '#include <liburing.h>', dependencies: liburing) == false
269 error('liburing version does not support IORING_POLL_ADD_MULTI')
270 endif
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271 pkgconfig_libs += liburing
272 liblxc_dependencies += liburing
20b03401 273
eba7f7a6 274 srcconf.set10('HAVE_LIBURING', true)
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275else
276 srcconf.set10('HAVE_LIBURING', false)
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277endif
278
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SH
279if not want_sd_bus.disabled()
280 has_sd_bus = true
281 sd_bus_optional = want_sd_bus.auto()
282
283 libsystemd = dependency('libsystemd', required: not sd_bus_optional)
284 if not libsystemd.found()
285 if not sd_bus_optional
286 error('missing required libsystemd dependency')
287 endif
288
289 has_sd_bus = false
290 endif
291
292 if not cc.has_header('systemd/sd-bus.h')
293 if not sd_bus_optional
294 error('libsystemd misses required systemd/sd-bus.h header')
295 endif
296
297 has_sd_bus = false
298 endif
299
300 if not cc.has_header('systemd/sd-event.h')
301 if not sd_bus_optional
302 error('libsystemd misses required systemd/sd-event.h header')
303 endif
304
305 has_sd_bus = false
306 endif
307
c1f87c81 308 if not cc.has_function('sd_bus_call_method_async', prefix: '#include <systemd/sd-bus.h>', dependencies: libsystemd)
c55353f8 309 if not sd_bus_optional
b0abedf6 310 error('libsystemd misses required sd_bus_call_method_async function')
c55353f8
SH
311 endif
312
313 has_sd_bus = false
314 endif
315
c1f87c81
AS
316 if has_sd_bus
317 liblxc_dependencies += libsystemd
318 if want_oss_fuzz
319 oss_fuzz_dependencies += libsystemd
320 endif
321 endif
322
c55353f8
SH
323 srcconf.set10('HAVE_LIBSYSTEMD', has_sd_bus)
324else
325 has_sd_bus = false
326 srcconf.set10('HAVE_LIBSYSTEMD', false)
327endif
328
20b03401 329## Time EPOCH.
ea6da257 330sh = find_program('sh')
23ba778f 331date = find_program('date')
20b03401 332git = find_program('git', required: false)
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333time_epoch = run_command(sh, '-c', 'echo "$SOURCE_DATE_EPOCH"', check: true).stdout().strip()
334if time_epoch == '' and git.found() and run_command('test', '-e', '.git', check: false).returncode() == 0
20b03401 335 # If we're in a git repository, use the creation time of the latest git tag.
f7de7d7a
SG
336 latest_tag = run_command(git, 'describe', '--abbrev=0', '--tags', check: false).stdout().strip()
337 if latest_tag != ''
8aac5886 338 time_epoch = run_command(git, 'log', '--no-show-signature', '-1', '--format=%at', latest_tag, check: true).stdout().strip()
f7de7d7a
SG
339 endif
340endif
341
342# Fallback to current epoch.
343if time_epoch == ''
dcf85308 344 time_epoch = run_command(date, '+%s', check: true).stdout().strip()
ea6da257 345endif
47c56c50 346generate_date = run_command(date, '--utc', '--date=@' + time_epoch, '+%Y-%m-%d', check: true).stdout().strip()
ea6da257 347
2bd9ab6f 348## Manpages.
2bd9ab6f
SG
349docconf = configuration_data()
350docconf.set('builddir', '.')
f80af4e1
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351docconf.set('BINDIR', bindir)
352docconf.set('DATADIR', datadir)
353docconf.set('DOCDIR', docdir)
354docconf.set('LOGPATH', lxclogpath)
355docconf.set('LXC_DEFAULT_CONFIG', lxcdefaultconfig)
2bd9ab6f 356docconf.set('LXC_GENERATE_DATE', generate_date)
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357docconf.set('LXC_GLOBAL_CONF', lxcglobalconfig)
358docconf.set('LXCPATH', lxcpath)
359docconf.set('LXCTEMPLATEDIR', lxctemplatedir)
360docconf.set('LXC_USERNIC_CONF', lxc_user_network_conf)
361docconf.set('LXC_USERNIC_DB', lxc_user_network_db)
2bd9ab6f 362docconf.set('PACKAGE_VERSION', version_data.get('LXC_VERSION'))
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363docconf.set('docdtd', '"-//OASIS//DTD DocBook XML" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"')
364sgml2man = find_program('docbook2X2man', 'docbook2x-man', 'db2x_docbook2man', 'docbook2man', 'docbook-to-man', required: false, version: '>=0.8')
365if not sgml2man.found()
366 sgml2man = find_program('docbook2man', required: false, version: '<0.8')
367 if sgml2man.found()
368 docconf.set('docdtd', '"-//Davenport//DTD DocBook V3.0//EN"')
369 elif want_mans
370 error('missing required docbook2x or docbook-utils dependency')
371 endif
2bd9ab6f
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372endif
373
20b03401 374## Threads.
9b9d56e6 375threads = dependency('threads')
c1f87c81 376liblxc_dependencies += threads
20b03401
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377
378## Seccomp.
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379if want_seccomp
380 libseccomp = dependency('libseccomp', required: false)
381 srcconf.set10('HAVE_SECCOMP', libseccomp.found())
382 pkgconfig_libs += libseccomp
c1f87c81 383 liblxc_dependencies += libseccomp
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384 if libseccomp.found()
385 if libseccomp.version().version_compare('>=2.5.0')
386 # https://github.com/seccomp/libseccomp/commit/dead12bc788b259b148cc4d93b970ef0bd602b1a
387 srcconf.set10('HAVE_DECL_SECCOMP_NOTIFY_FD', true)
388 else
389 srcconf.set10('HAVE_DECL_SECCOMP_NOTIFY_FD', false)
390 endif
20b03401 391
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392 if libseccomp.version().version_compare('>=2.0.0')
393 # https://github.com/seccomp/libseccomp/commit/6220c8c0fc479d97b6d3e3166a4e46fbfe25a3c0
394 srcconf.set10('HAVE_DECL_SECCOMP_SYSCALL_RESOLVE_NAME_ARCH', true)
20b03401 395 else
0b9adfda 396 srcconf.set10('HAVE_DECL_SECCOMP_SYSCALL_RESOLVE_NAME_ARCH', false)
20b03401 397 endif
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CB
398
399 seccomp_headers = '''
400 #include <seccomp.h>
401 '''
402
403 foreach decl: [
404 'scmp_filter_ctx',
405 'struct seccomp_notif_sizes',
406 'struct clone_args',
407 ]
408
409 # We get -1 if the size cannot be determined
c1f87c81 410 if cc.sizeof(decl, prefix: seccomp_headers, args: '-D_GNU_SOURCE', dependencies: libseccomp) > 0
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CB
411 srcconf.set10('HAVE_' + decl.underscorify().to_upper(), true)
412 else
413 srcconf.set10('HAVE_' + decl.underscorify().to_upper(), false)
414 endif
415 endforeach
416 endif
417else
418 srcconf.set10('HAVE_SECCOMP', false)
9b9d56e6
CB
419endif
420
20b03401 421## SELinux.
575d0e34
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422if want_selinux
423 libselinux = dependency('libselinux', required: false)
424 srcconf.set10('HAVE_SELINUX', libselinux.found())
425 pkgconfig_libs += libselinux
c1f87c81 426 liblxc_dependencies += libselinux
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427else
428 srcconf.set10('HAVE_SELINUX', false)
429endif
9b9d56e6 430
20b03401 431## AppArmor.
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432if want_apparmor
433 libapparmor = dependency('libapparmor', required: false)
434 srcconf.set10('HAVE_APPARMOR', libapparmor.found())
c1f87c81
AS
435 # We do not use the AppArmor library at runtime, so it's not in our pkg-config.
436 liblxc_dependencies += libapparmor
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437else
438 srcconf.set10('HAVE_APPARMOR', false)
439endif
9b9d56e6 440
20b03401 441## OpenSSL.
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CB
442if want_openssl
443 libopenssl = dependency('openssl', required: false)
444 srcconf.set10('HAVE_OPENSSL', libopenssl.found())
445 pkgconfig_libs += libopenssl
c1f87c81 446 liblxc_dependencies += libopenssl
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447else
448 srcconf.set10('HAVE_OPENSSL', false)
449endif
9b9d56e6 450
20b03401 451## Libcap..
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452if want_capabilities
453 libcap = dependency('libcap', required: false)
454 if not libcap.found()
455 # Compat with Ubuntu 14.04 which ships libcap w/o .pc file
456 libcap = cc.find_library('cap', required: false)
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WB
457 else
458 have = cc.has_function('cap_get_file', dependencies: libcap, prefix: '#include <sys/capability.h>')
459 srcconf.set10('LIBCAP_SUPPORTS_FILE_CAPABILITIES', have)
575d0e34
CB
460 endif
461 srcconf.set10('HAVE_LIBCAP', libcap.found())
462 pkgconfig_libs += libcap
c1f87c81 463 liblxc_dependencies += libcap
9b9d56e6 464
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465 libcap_static = dependency('libcap', required: false, static: true)
466 if not libcap_static.found()
467 # Compat with Ubuntu 14.04 which ships libcap w/o .pc file
468 libcap_static = cc.find_library('cap', required: false, static: true)
469 endif
de4543d8
CB
470
471 code = '''
472int main(int argc, char *argv[]) { return 0; };
473'''
474 if libcap_static.found()
475 libcap_static_linkable = cc.links(code, args: '-static', dependencies: libcap_static)
de4543d8 476 else
5aff4ea3 477 libcap_static_linkable = false
de4543d8 478 endif
5aff4ea3 479 srcconf.set10('HAVE_STATIC_LIBCAP', libcap_static_linkable)
575d0e34 480else
7d723548 481 libcap_static = []
5aff4ea3 482 libcap_static_linkable = false
575d0e34
CB
483 srcconf.set10('HAVE_LIBCAP', false)
484 srcconf.set10('HAVE_STATIC_LIBCAP', false)
d0a16061 485endif
d0a16061 486
353f0f99
WB
487libutil = cc.find_library('util', required: false)
488
d42a3b13
CB
489if want_oss_fuzz
490 srcconf.set10('FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION', true)
491 srcconf.set10('RUN_ON_OSS_FUZZ', true)
492 fuzzing_engine = meson.get_compiler('cpp').find_library('FuzzingEngine')
493endif
494
0c4549a3 495srcconf.set10('ENFORCE_THREAD_SAFETY', want_thread_safety)
493bf2de 496srcconf.set10('ENFORCE_MEMFD_REXEC', want_memfd_rexec)
0c4549a3 497
0860988e 498## PAM.
8c48813a 499pam = cc.find_library('pam', has_headers: 'security/pam_modules.h', required: want_pam_cgroup)
eba7f7a6 500srcconf.set10('HAVE_PAM', pam.found())
181cd6dc 501pkgconfig_libs += pam
0860988e 502
20b03401 503## Others.
353f0f99
WB
504have = cc.has_function('fmemopen', prefix: '#include <stdio.h>', args: '-D_GNU_SOURCE')
505srcconf.set10('HAVE_FMEMOPEN', have)
506
c1f87c81
AS
507have = cc.has_function('openpty', dependencies: libutil, prefix: '#include <pty.h>')
508srcconf.set10('HAVE_OPENPTY', have)
509if have
510 liblxc_dependencies += libutil
511 if want_oss_fuzz
512 oss_fuzz_dependencies += libutil
513 endif
514endif
353f0f99
WB
515
516have = cc.has_function('pthread_setcancelstate', prefix: '#include <pthread.h>')
517srcconf.set10('HAVE_PTHREAD_SETCANCELSTATE', have)
518
519have = cc.has_function('rand_r')
520srcconf.set10('HAVE_RAND_R', have)
521
20b03401 522have = cc.has_function('strchrnul', prefix: '#include <string.h>', args: '-D_GNU_SOURCE')
eba7f7a6 523srcconf.set10('HAVE_STRCHRNUL', have)
db4af8c5 524
0c4549a3 525have_func_strerror_r = cc.has_function('strerror_r', prefix: '#include <string.h>', args: '-D_GNU_SOURCE')
9fea6122 526srcconf.set10('HAVE_STRERROR_R', have_func_strerror_r)
0c4549a3
CB
527
528have_func_strerror_r_char_p = false
529
530if have_func_strerror_r
531 code = '''
532#define _GNU_SOURCE
533#include <string.h>
534int func (void) {
535 char error_string[256];
536 char *ptr = strerror_r (-2, error_string, 256);
537 char c = *strerror_r (-2, error_string, 256);
538 return c != 0 && ptr != (void*) 0L;
539}
540'''
541
542have_func_strerror_r_char_p = cc.compiles(code, name : 'strerror_r() returns char *')
543endif
544
545srcconf.set10('STRERROR_R_CHAR_P', have_func_strerror_r_char_p)
546
20b03401
SG
547## Compiler attributes.
548foreach ccattr: [
549 'fallthrough',
550 'nonnull',
551 'returns_nonnull',
552]
ae13cb3b 553
eba7f7a6 554 srcconf.set10('HAVE_COMPILER_ATTR_' + ccattr.underscorify().to_upper(), cc.has_function_attribute(ccattr))
ae13cb3b 555endforeach
5c26176d 556
20b03401 557## Syscalls.
ea6da257
CB
558found_syscalls = []
559missing_syscalls = []
20b03401
SG
560foreach tuple: [
561 ['bpf'],
562 ['close_range'],
563 ['endmntent'],
564 ['execveat'],
565 ['faccessat'],
566 ['strchrnul'],
0c4549a3 567 ['strerror_r'],
20b03401
SG
568 ['fgetln'],
569 ['fsconfig'],
570 ['fsmount'],
571 ['fsopen'],
572 ['fspick'],
573 ['getgrgid_r'],
574 ['getline'],
575 ['getsubopt'],
576 ['gettid'],
577 ['hasmntopt'],
578 ['kcmp'],
579 ['keyctl'],
580 ['memfd_create'],
581 ['mount_setattr'],
582 ['move_mount'],
583 ['openat2'],
584 ['open_tree'],
585 ['personality'],
586 ['pidfd_open'],
587 ['pidfd_send_signal'],
588 ['pivot_root'],
589 ['prlimit'],
590 ['prlimit64'],
591 ['renameat2'],
592 ['sethostname'],
593 ['setmntent'],
594 ['setns'],
595 ['sigdescr_np'],
596 ['signalfd'],
597 ['statx'],
8ee615c2 598 ['statvfs'],
20b03401
SG
599 ['strlcat'],
600 ['strlcpy'],
601 ['unshare'],
602]
603
604 if tuple.length() >= 2
605 cond = tuple[1]
606 else
607 ident1 = 'HAVE_' + tuple[0].underscorify().to_upper()
608 ident2 = 'ENABLE_' + tuple[0].underscorify().to_upper()
eba7f7a6 609 cond = srcconf.get(ident1, 0) == 1 or srcconf.get(ident2, 0) == 1
20b03401
SG
610 endif
611
612 if cond
613 found_syscalls += tuple[0]
614 else
615 missing_syscalls += tuple[0]
616 endif
617endforeach
618
619## Types.
620decl_headers = '''
621#include <uchar.h>
622#include <sys/mount.h>
623#include <sys/stat.h>
353f0f99 624#include <linux/if_link.h>
353f0f99 625#include <linux/types.h>
20b03401 626'''
ea6da257 627
20b03401
SG
628foreach decl: [
629 '__aligned_u64',
353f0f99 630 'struct clone_args',
20b03401 631 'struct open_how',
353f0f99 632 'struct rtnl_link_stats64',
ea6da257
CB
633]
634
20b03401
SG
635 # We get -1 if the size cannot be determined
636 if cc.sizeof(decl, prefix: decl_headers, args: '-D_GNU_SOURCE') > 0
eba7f7a6 637 srcconf.set10('HAVE_' + decl.underscorify().to_upper(), true)
20b03401 638 else
eba7f7a6 639 srcconf.set10('HAVE_' + decl.underscorify().to_upper(), false)
20b03401 640 endif
ea6da257
CB
641endforeach
642
643found_types = []
644missing_types = []
20b03401
SG
645foreach tuple: [
646 ['scmp_filter_ctx'],
647 ['struct seccomp_notif_sizes'],
648 ['struct clone_args'],
649 ['__aligned_u64'],
20b03401 650 ['struct open_how'],
353f0f99 651 ['struct rtnl_link_stats64'],
20b03401 652]
ea6da257 653
20b03401
SG
654 if tuple.length() >= 2
655 cond = tuple[1]
656 else
657 ident1 = 'HAVE_' + tuple[0].underscorify().to_upper()
658 ident2 = 'ENABLE_' + tuple[0].underscorify().to_upper()
eba7f7a6 659 cond = srcconf.get(ident1, 0) == 1 or srcconf.get(ident2, 0) == 1
20b03401
SG
660 endif
661
662 if cond
663 found_types += tuple[0]
664 else
665 missing_types += tuple[0]
666 endif
667endforeach
668
c1115e15
CB
669decl_headers = '''
670#include <sys/mount.h>
671'''
672
673# We get -1 if the size cannot be determined
674if cc.sizeof('struct mount_attr', prefix: decl_headers, args: '-D_GNU_SOURCE') > 0
675 srcconf.set10('HAVE_' + 'struct mount_attr'.underscorify().to_upper(), true)
676 found_types += 'struct mount_attr (sys/mount.h)'
677else
678 srcconf.set10('HAVE_' + 'struct mount_attr'.underscorify().to_upper(), false)
cbabe8ab 679 missing_types += 'struct mount_attr (sys/mount.h)' endif
c1115e15 680
4771699f 681## Check if sys/mount.h defines the fsconfig commands
f321cd61 682if cc.get_define('FSCONFIG_SET_FLAG', prefix: decl_headers) != ''
cbabe8ab 683 srcconf.set10('HAVE_' + 'FSCONFIG_SET_FLAG'.underscorify().to_upper(), true)
4771699f 684 found_types += 'FSCONFIG_SET_FLAG (sys/mount.h)'
cbabe8ab
CB
685else
686 srcconf.set10('HAVE_' + 'FSCONFIG_SET_FLAG'.underscorify().to_upper(), false)
4771699f 687 missing_types += 'FSCONFIG_SET_FLAG (sys/mount.h)'
cbabe8ab
CB
688endif
689
f321cd61 690if cc.get_define('FS_CONFIG_SET_STRING', prefix: decl_headers) != ''
cbabe8ab 691 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_STRING'.underscorify().to_upper(), true)
4771699f 692 found_types += 'FS_CONFIG_SET_STRING (sys/mount.h)'
cbabe8ab
CB
693else
694 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_STRING'.underscorify().to_upper(), false)
4771699f 695 missing_types += 'FS_CONFIG_SET_STRING (sys/mount.h)'
cbabe8ab
CB
696endif
697
f321cd61 698if cc.get_define('FS_CONFIG_SET_BINARY', prefix: decl_headers) != ''
cbabe8ab 699 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_BINARY'.underscorify().to_upper(), true)
4771699f 700 found_types += 'FS_CONFIG_SET_BINARY (sys/mount.h)'
cbabe8ab
CB
701else
702 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_BINARY'.underscorify().to_upper(), false)
4771699f 703 missing_types += 'FS_CONFIG_SET_BINARY (sys/mount.h)'
cbabe8ab
CB
704endif
705
f321cd61 706if cc.get_define('FS_CONFIG_SET_PATH_EMPTY', prefix: decl_headers) != ''
cbabe8ab 707 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_EMPTY'.underscorify().to_upper(), true)
4771699f 708 found_types += 'FS_CONFIG_SET_PATH_EMPTY (sys/mount.h)'
cbabe8ab
CB
709else
710 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_EMPTY'.underscorify().to_upper(), false)
4771699f 711 missing_types += 'FS_CONFIG_SET_PATH_EMPTY (sys/mount.h)'
cbabe8ab
CB
712endif
713
f321cd61 714if cc.get_define('FS_CONFIG_SET_PATH_FD', prefix: decl_headers) != ''
cbabe8ab 715 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_FD'.underscorify().to_upper(), true)
4771699f 716 found_types += 'FS_CONFIG_SET_PATH_FD (sys/mount.h)'
cbabe8ab
CB
717else
718 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_PATH_FD'.underscorify().to_upper(), false)
4771699f 719 missing_types += 'FS_CONFIG_SET_PATH_FD (sys/mount.h)'
cbabe8ab
CB
720endif
721
f321cd61 722if cc.get_define('FS_CONFIG_SET_CMD_CREATE', prefix: decl_headers) != ''
cbabe8ab 723 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_CREATE'.underscorify().to_upper(), true)
4771699f 724 found_types += 'FS_CONFIG_SET_CMD_CREAT (sys/mount.h)'
cbabe8ab
CB
725else
726 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_CREATE'.underscorify().to_upper(), false)
4771699f 727 missing_types += 'FS_CONFIG_SET_CMD_CREATE (sys/mount.h)'
cbabe8ab
CB
728endif
729
f321cd61 730if cc.get_define('FS_CONFIG_SET_CMD_RECONFIGURE', prefix: decl_headers) != ''
cbabe8ab 731 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_RECONFIGURE'.underscorify().to_upper(), true)
4771699f 732 found_types += 'FS_CONFIG_SET_CMD_RECONFIGURE (sys/mount.h)'
cbabe8ab
CB
733else
734 srcconf.set10('HAVE_' + 'FS_CONFIG_SET_CMD_RECONFIGURE'.underscorify().to_upper(), false)
4771699f 735 missing_types += 'FS_CONFIG_SET_CMD_RECONFIGURE (sys/mount.h)'
cbabe8ab
CB
736endif
737
20b03401
SG
738## Headers.
739foreach ident: [
740 ['bpf', '''#include <sys/syscall.h>
741 #include <unistd.h>'''],
742 ['close_range', '''#include <unistd.h>'''],
743 ['execveat', '''#include <unistd.h>'''],
744 ['endmntent', '''#include <stdio.h>
745 #include <mntent.h>'''],
746 ['faccessat', '''#include <fcntl.h>
747 #include <unistd.h>'''],
748 ['fexecve', '''#include <unistd.h>'''],
749 ['fgetln', '''#include <stdio.h>'''],
750 ['fsconfig', '''#include <sys/mount.h>'''],
751 ['fsmount', '''#include <sys/mount.h>'''],
752 ['fsopen', '''#include <sys/mount.h>'''],
753 ['fspick', '''#include <sys/mount.h>'''],
754 ['getgrgid_r', '''#include <sys/types.h>
755 #include <grp.h>'''],
756 ['getline', '''#include <stdio.h>'''],
757 ['getsubopt', '''#include <stdlib.h>'''],
758 ['gettid', '''#include <sys/types.h>
759 #include <unistd.h>'''],
760 ['hasmntopt', '''#include <stdio.h>
761 #include <mntent.h>'''],
762 ['kcmp', '''#include <linux/kcmp.h>'''],
763 ['keyctl', '''#include <sys/types.h>
764 #include <keyutils.h>'''],
765 ['memfd_create', '''#include <sys/mman.h>'''],
766 ['mount_setattr', '''#include <sys/mount.h>'''],
767 ['move_mount', '''#include <sys/mount.h>'''],
768 ['openat2', '''#include <sys/types.h>
769 #include <sys/stat.h>
770 #include <fctnl.h>'''],
771 ['open_tree', '''#include <sys/mount.h>'''],
772 ['personality', '''#include <sys/personality.h>'''],
773 ['pidfd_open', '''#include <stdlib.h>
774 #include <unistd.h>
775 #include <signal.h>
776 #include <sys/wait.h>'''],
777 ['pidfd_send_signal', '''#include <stdlib.h>
778 #include <unistd.h>
779 #include <signal.h>
780 #include <sys/wait.h>'''],
781 ['pivot_root', '''#include <stdlib.h>
782 #include <unistd.h>'''], # no known header declares pivot_root
783 ['prlimit', '''#include <sys/time.h>
784 #include <sys/resource.h>'''],
785 ['prlimit64', '''#include <sys/time.h>
786 #include <sys/resource.h>'''],
787 ['renameat2', '''#include <stdio.h>
788 #include <fcntl.h>'''],
789 ['sethostname', '''#include <unistd.h>'''],
790 ['setmntent', '''#include <stdio.h>
791 #include <mntent.h>'''],
792 ['setns', '''#include <sched.h>'''],
793 ['sigdescr_np', '''#include <string.h>'''],
794 ['signalfd', '''#include <sys/signalfd.h>'''],
8ee615c2 795 ['statvfs', '''#include <sys/statvfs.h>'''],
20b03401
SG
796 ['statx', '''#include <sys/types.h>
797 #include <sys/stat.h>
798 #include <unistd.h>'''],
799 ['strchrnul', '''#include <string.h>'''],
800 ['strlcat', '''#include <string.h>'''],
801 ['strlcpy', '''#include <string.h>'''],
802 ['unshare', '''#include <sched.h>'''],
ea6da257
CB
803]
804
20b03401 805 have = cc.has_function(ident[0], prefix: ident[1], args: '-D_GNU_SOURCE')
eba7f7a6 806 srcconf.set10('HAVE_' + ident[0].to_upper(), have)
ea6da257
CB
807endforeach
808
809found_headers = []
810missing_headers = []
20b03401 811foreach tuple: [
c55353f8
SH
812 ['systemd/sd-bus.h'],
813 ['systemd/sd-event.h'],
20b03401
SG
814 ['sys/resource.h'],
815 ['sys/memfd.h'],
816 ['sys/personality.h'],
ef1e0607 817 ['sys/pidfd.h'],
20b03401
SG
818 ['sys/signalfd.h'],
819 ['sys/timerfd.h'],
820 ['pty.h'],
821 ['utmpx.h'],
ea6da257 822]
eba7f7a6 823 srcconf.set10('HAVE_' + tuple[0].underscorify().to_upper(), cc.has_header(tuple[0]))
20b03401
SG
824
825 if tuple.length() >= 2
826 cond = tuple[1]
827 else
828 ident1 = 'HAVE_' + tuple[0].underscorify().to_upper()
829 ident2 = 'ENABLE_' + tuple[0].underscorify().to_upper()
eba7f7a6 830 cond = srcconf.get(ident1, 0) == 1 or srcconf.get(ident2, 0) == 1
20b03401
SG
831 endif
832
833 if cond
834 found_headers += tuple[0]
835 else
836 missing_headers += tuple[0]
837 endif
ea6da257
CB
838endforeach
839
20b03401 840## Deps.
ea6da257
CB
841found_deps = []
842missing_deps = []
20b03401
SG
843foreach tuple: [
844 ['AppArmor'],
845 ['SECCOMP'],
846 ['SELinux'],
847 ['libcap'],
848 ['static libcap'],
8c48813a 849 ['pam'],
20b03401
SG
850 ['openssl'],
851 ['liburing'],
c55353f8 852 ['libsystemd'],
ea6da257
CB
853]
854
20b03401
SG
855 if tuple.length() >= 2
856 cond = tuple[1]
857 else
858 ident1 = 'HAVE_' + tuple[0].underscorify().to_upper()
859 ident2 = 'ENABLE_' + tuple[0].underscorify().to_upper()
eba7f7a6 860 cond = srcconf.get(ident1, 0) == 1 or srcconf.get(ident2, 0) == 1
20b03401
SG
861 endif
862
863 if cond
864 found_deps += tuple[0]
865 else
866 missing_deps += tuple[0]
867 endif
ea6da257
CB
868endforeach
869
20b03401
SG
870# Generate config.h
871config_h = configure_file(
872 output: 'config.h',
eba7f7a6 873 configuration: srcconf)
20b03401
SG
874
875add_project_arguments('-include', 'config.h', language: 'c')
876
877# Binaries.
878cmd_programs = []
879hook_programs = []
880public_programs = []
881template_scripts = []
882test_programs = []
883
884# Includes.
8d77f43f 885liblxc_includes = include_directories(
20b03401
SG
886 '.',
887 'src',
8d77f43f
SG
888 'src/include',
889 'src/lxc',
20b03401 890 'src/lxc/cgroups',
8d77f43f 891 'src/lxc/storage')
20b03401 892
c1f87c81
AS
893# Our static sub-project binaries don't (and in fact can't) link to our
894# dependencies directly, but need access to the headers when compiling (most
895# notably seccomp headers).
896liblxc_dependency_headers = []
897foreach dep: liblxc_dependencies
898 liblxc_dependency_headers += dep.partial_dependency(compile_args: true)
899endforeach
900
20b03401
SG
901# Early sub-directories.
902subdir('src/include')
903subdir('src/lxc')
24dcd86d 904subdir('src/lxc/pam')
20b03401 905
d42a3b13 906liblxc_link_whole = [liblxc_static]
5055c73d 907
20b03401
SG
908liblxc = shared_library(
909 'lxc',
910 version: liblxc_version,
911 include_directories: liblxc_includes,
912 link_args: ['-DPIC'],
913 c_args: ['-DPIC'],
5055c73d 914 link_whole: liblxc_link_whole,
20b03401
SG
915 dependencies: liblxc_dependencies,
916 install: true)
917
918liblxc_dep = declare_dependency(
919 link_with: liblxc,
920 dependencies: liblxc_dependencies)
921
922# Rest of sub-directories.
826391b2
CB
923if want_apparmor
924 subdir('config/apparmor')
925 subdir('config/apparmor/abstractions')
926 subdir('config/apparmor/profiles')
927endif
4a858b56 928subdir('config/bash')
9d18059b 929subdir('config/etc')
e4e52844
SG
930subdir('config/init/common')
931subdir('config/init/systemd')
8131bb44
SG
932subdir('config/init/sysvinit')
933subdir('config/init/upstart')
826391b2
CB
934if want_selinux
935 subdir('config/selinux')
936endif
36a53f30 937subdir('config/sysconfig')
c2931f74
SG
938subdir('config/templates')
939subdir('config/templates/common.conf.d')
d9121fff 940subdir('config/yum')
47c56c50
SG
941subdir('doc')
942subdir('doc/ja')
943subdir('doc/ko')
b3da01d7 944subdir('doc/examples')
6dfabed1 945subdir('doc/rootfs')
20b03401 946subdir('hooks')
575d0e34
CB
947if want_commands
948 subdir('src/lxc/cmd')
949endif
f4d02217 950if want_tools or want_tools_multicall
575d0e34
CB
951 subdir('src/lxc/tools')
952endif
20b03401
SG
953subdir('src/lxc/tools/include')
954subdir('src/tests')
955subdir('templates')
956
0860988e
SG
957# Pkg-config.
958pkg_config_file = pkgconfig.generate(liblxc,
959 description: 'linux container tools',
960 version: version_data.get('LXC_VERSION'),
961 url: 'http://linuxcontainers.org',
962 libraries: '-lutil -lpthread -ldl',
963 libraries_private: pkgconfig_libs,
0860988e
SG
964)
965
1404fcb8
SG
966# Empty dirs.
967install_emptydir(join_paths(localstatedir, 'cache', 'lxc'))
968install_emptydir(join_paths(localstatedir, 'lib', 'lxc'))
969
9c562440 970# RPM spec file.
e18dbec7
SG
971specconf = configuration_data()
972specconf.set('LXC_VERSION_BASE', meson.project_version())
973specconf.set('LXC_VERSION_BETA', version_data.get('LXC_VERSION_BETA'))
974specconf.set('PACKAGE', meson.project_name())
975specconf.set('LXC_DISTRO_SYSCONF', conf.get('LXC_DISTRO_SYSCONF'))
976
9c562440 977configure_file(
e18dbec7 978 configuration: specconf,
9c562440
SG
979 input: 'lxc.spec.in',
980 output: 'lxc.spec',
981 install: false)
982
20b03401 983# Build overview.
bf1f3470 984status = [
20b03401
SG
985 '@0@ @1@'.format(meson.project_name(), meson.project_version()),
986
987 'Meson version: @0@'.format(meson.version()),
988
989 'prefix directory: @0@'.format(prefixdir),
990 'bin directory: @0@'.format(bindir),
991 'data directory: @0@'.format(datadir),
992 'doc directory: @0@'.format(docdir),
993 'include directory: @0@'.format(includedir),
994 'lib directory: @0@'.format(libdir),
995 'libexec directory: @0@'.format(libexecdir),
996 'local state directory: @0@'.format(localstatedir),
997 'sbin directory: @0@'.format(sbindir),
998 'sysconf directory: @0@'.format(sysconfdir),
999
1000 'lxc cgroup pattern: @0@'.format(cgrouppattern),
1001 'lxc init directory: @0@'.format(libexecdir),
1002 'runtime path: @0@'.format(runtimepath),
1003
1004 'lxc default config: @0@'.format(lxcdefaultconfig),
1005 'lxc global config: @0@'.format(lxcglobalconfig),
1006 'lxc hook directory: @0@'.format(lxchookdir),
1007 'lxc hook bin directory: @0@'.format(lxchookbindir),
1008 'lxc rootfs mount directory: @0@'.format(lxcrootfsmount),
1009 'log path: @0@'.format(lxclogpath),
1010 'lxc path: @0@'.format(lxcpath),
51f90ad9 1011 'lxc template config: @0@'.format(lxctemplateconfdir),
20b03401
SG
1012 'lxc template directory: @0@'.format(lxctemplatedir),
1013 'lxc user network config: @0@'.format(lxc_user_network_conf),
1014 'lxc user network database: @0@'.format(lxc_user_network_db)]
bf1f3470 1015
ea6da257 1016alt_time_epoch = run_command('date', '-Is', '-u', '-d',
aa326e18 1017 '@@0@'.format(time_epoch), check: true).stdout().strip()
ea6da257 1018status += [
20b03401 1019 'time epoch: @0@ (@1@)'.format(time_epoch, alt_time_epoch)]
ea6da257
CB
1020
1021status += [
20b03401
SG
1022 '',
1023 'supported dependencies: @0@'.format(', '.join(found_deps)),
1024 '',
1025 'unsupported dependencies: @0@'.format(', '.join(missing_deps)),
1026 '']
ea6da257
CB
1027
1028status += [
20b03401
SG
1029 '',
1030 'supported headers: @0@'.format(', '.join(found_headers)),
1031 '',
1032 'unsupported headers: @0@'.format(', '.join(missing_headers)),
1033 '']
ea6da257
CB
1034
1035status += [
20b03401
SG
1036 '',
1037 'supported calls: @0@'.format(', '.join(found_syscalls)),
1038 '',
1039 'unsupported calls: @0@'.format(', '.join(missing_syscalls)),
1040 '']
ea6da257
CB
1041
1042status += [
20b03401
SG
1043 '',
1044 'supported types: @0@'.format(', '.join(found_types)),
1045 '',
1046 'unsupported types: @0@'.format(', '.join(missing_types)),
1047 '']
ea6da257 1048
20b03401 1049message('\n '.join(status))