1 project('qemu', ['c'], meson_version: '>=0.59.3',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 not_found = dependency('', required: false)
11 keyval = import('keyval')
12 ss = import('sourceset')
15 sh = find_program('sh')
16 cc = meson.get_compiler('c')
17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
18 enable_modules = 'CONFIG_MODULES' in config_host
19 enable_static = 'CONFIG_STATIC' in config_host
21 # Allow both shared and static libraries unless --enable-static
22 static_kwargs = enable_static ? {'static': true} : {}
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
31 if get_option('qemu_suffix').startswith('/')
32 error('qemu_suffix cannot start with a /')
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
43 config_host_data = configuration_data()
45 qapi_trace_events = []
47 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
48 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
49 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
50 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
52 cpu = host_machine.cpu_family()
54 # Unify riscv* to a single family.
55 if cpu in ['riscv32', 'riscv64']
59 targetos = host_machine.system()
61 target_dirs = config_host['TARGET_DIRS'].split()
62 have_linux_user = false
65 foreach target : target_dirs
66 have_linux_user = have_linux_user or target.endswith('linux-user')
67 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
68 have_system = have_system or target.endswith('-softmmu')
70 have_user = have_linux_user or have_bsd_user
71 have_tools = get_option('tools') \
72 .disable_auto_if(not have_system) \
74 have_ga = get_option('guest_agent') \
75 .disable_auto_if(not have_system and not have_tools) \
76 .require(targetos in ['sunos', 'linux', 'windows'],
77 error_message: 'unsupported OS for QEMU guest agent') \
79 have_block = have_system or have_tools
81 python = import('python').find_installation()
83 if cpu not in supported_cpus
93 if cpu in ['x86', 'x86_64']
94 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
96 kvm_targets = ['aarch64-softmmu']
98 kvm_targets = ['s390x-softmmu']
99 elif cpu in ['ppc', 'ppc64']
100 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
101 elif cpu in ['mips', 'mips64']
102 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
103 elif cpu in ['riscv']
104 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
110 if get_option('kvm').allowed() and targetos == 'linux'
111 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
113 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
115 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
117 if cpu in ['aarch64']
118 accelerator_targets += {
119 'CONFIG_HVF': ['aarch64-softmmu']
123 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
124 # i386 emulator provides xenpv machine type for multiple architectures
125 accelerator_targets += {
126 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
129 if cpu in ['x86', 'x86_64']
130 accelerator_targets += {
131 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
132 'CONFIG_HVF': ['x86_64-softmmu'],
133 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
134 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
139 # Darwin does not support references to thread-local variables in modules
140 if targetos != 'darwin'
141 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
144 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
145 unpack_edk2_blobs = false
146 foreach target : edk2_targets
147 if target in target_dirs
148 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
149 unpack_edk2_blobs = bzip2.found()
156 if 'dtrace' in get_option('trace_backends')
157 dtrace = find_program('dtrace', required: true)
158 stap = find_program('stap', required: false)
160 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
161 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
162 # instead. QEMU --enable-modules depends on this because the SystemTap
163 # semaphores are linked into the main binary and not the module's shared
165 add_global_arguments('-DSTAP_SDT_V2',
166 native: false, language: ['c', 'cpp', 'objc'])
170 if get_option('iasl') == ''
171 iasl = find_program('iasl', required: false)
173 iasl = find_program(get_option('iasl'), required: true)
180 qemu_cflags = config_host['QEMU_CFLAGS'].split()
181 qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
182 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
183 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
185 if targetos == 'windows'
186 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
187 # Disable ASLR for debug builds to allow debugging with gdb
188 if get_option('optimization') == '0'
189 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
193 if get_option('gprof')
194 qemu_cflags += ['-p']
195 qemu_cxxflags += ['-p']
196 qemu_objcflags += ['-p']
197 qemu_ldflags += ['-p']
200 # Specify linker-script with add_project_link_arguments so that it is not placed
201 # within a linker --start-group/--end-group pair
202 if get_option('fuzzing')
203 add_project_link_arguments(['-Wl,-T,',
204 (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
205 native: false, language: ['c', 'cpp', 'objc'])
207 # Specify a filter to only instrument code that is directly related to
209 configure_file(output: 'instrumentation-filter',
210 input: 'scripts/oss-fuzz/instrumentation-filter-template',
212 add_global_arguments(
213 cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
214 native: false, language: ['c', 'cpp', 'objc'])
216 if get_option('fuzzing_engine') == ''
217 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
218 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
219 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
220 # unable to bind the fuzzer-related callbacks added by instrumentation.
221 add_global_arguments('-fsanitize=fuzzer-no-link',
222 native: false, language: ['c', 'cpp', 'objc'])
223 add_global_link_arguments('-fsanitize=fuzzer-no-link',
224 native: false, language: ['c', 'cpp', 'objc'])
225 # For the actual fuzzer binaries, we need to link against the libfuzzer
226 # library. They need to be configurable, to support OSS-Fuzz
227 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
229 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
230 # the needed CFLAGS have already been provided
231 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
235 add_global_arguments(qemu_cflags, native: false, language: ['c'])
236 add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
237 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
238 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
240 if targetos == 'linux'
241 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
242 '-isystem', 'linux-headers',
243 language: ['c', 'cpp'])
246 add_project_arguments('-iquote', '.',
247 '-iquote', meson.current_source_dir(),
248 '-iquote', meson.current_source_dir() / 'include',
249 '-iquote', meson.current_source_dir() / 'disas/libvixl',
250 language: ['c', 'cpp', 'objc'])
252 link_language = meson.get_external_property('link_language', 'cpp')
253 if link_language == 'cpp'
254 add_languages('cpp', required: true, native: false)
255 cxx = meson.get_compiler('cpp')
260 if host_machine.system() == 'darwin'
261 add_languages('objc', required: false, native: false)
264 sparse = find_program('cgcc', required: get_option('sparse'))
267 command: [find_program('scripts/check_sparse.py'),
268 'compile_commands.json', sparse.full_path(), '-Wbitwise',
269 '-Wno-transparent-union', '-Wno-old-initializer',
270 '-Wno-non-pointer-null'])
273 ###########################################
274 # Target-specific checks and dependencies #
275 ###########################################
278 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
281 #include <sys/types.h>
282 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
283 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
285 args: ['-Werror', '-fsanitize=fuzzer'])
286 error('Your compiler does not support -fsanitize=fuzzer')
290 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
291 error('ftrace is supported only on Linux')
293 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
296 openlog("qemu", LOG_PID, LOG_DAEMON);
297 syslog(LOG_INFO, "configure");
300 error('syslog is not supported on this system')
303 # Miscellaneous Linux-only features
304 get_option('mpath') \
305 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
307 multiprocess_allowed = get_option('multiprocess') \
308 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
311 have_tpm = get_option('tpm') \
312 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
316 have_vhost_user = get_option('vhost_user') \
317 .disable_auto_if(targetos != 'linux') \
318 .require(targetos != 'windows',
319 error_message: 'vhost-user is not available on Windows').allowed()
320 have_vhost_vdpa = get_option('vhost_vdpa') \
321 .require(targetos == 'linux',
322 error_message: 'vhost-vdpa is only available on Linux').allowed()
323 have_vhost_kernel = get_option('vhost_kernel') \
324 .require(targetos == 'linux',
325 error_message: 'vhost-kernel is only available on Linux').allowed()
326 have_vhost_user_crypto = get_option('vhost_crypto') \
327 .require(have_vhost_user,
328 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
330 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
332 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
333 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
334 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
335 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
337 # Target-specific libraries and flags
338 libm = cc.find_library('m', required: false)
339 threads = dependency('threads')
340 util = cc.find_library('util', required: false)
346 emulator_link_args = []
352 if targetos == 'windows'
353 midl = find_program('midl', required: false)
354 widl = find_program('widl', required: false)
355 socket = cc.find_library('ws2_32')
356 winmm = cc.find_library('winmm')
358 win = import('windows')
359 version_res = win.compile_resources('version.rc',
360 depend_files: files('pc-bios/qemu-nsis.ico'),
361 include_directories: include_directories('.'))
363 elif targetos == 'darwin'
364 coref = dependency('appleframeworks', modules: 'CoreFoundation')
365 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
366 host_dsosuf = '.dylib'
367 elif targetos == 'sunos'
368 socket = [cc.find_library('socket'),
369 cc.find_library('nsl'),
370 cc.find_library('resolv')]
371 elif targetos == 'haiku'
372 socket = [cc.find_library('posix_error_mapper'),
373 cc.find_library('network'),
374 cc.find_library('bsd')]
375 elif targetos == 'openbsd'
376 if get_option('tcg').allowed() and target_dirs.length() > 0
377 # Disable OpenBSD W^X if available
378 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
382 # Target-specific configuration of accelerators
384 if get_option('kvm').allowed() and targetos == 'linux'
385 accelerators += 'CONFIG_KVM'
387 if get_option('whpx').allowed() and targetos == 'windows'
388 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
389 error('WHPX requires 64-bit host')
390 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
391 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
392 accelerators += 'CONFIG_WHPX'
395 if get_option('hvf').allowed()
396 hvf = dependency('appleframeworks', modules: 'Hypervisor',
397 required: get_option('hvf'))
399 accelerators += 'CONFIG_HVF'
402 if get_option('hax').allowed()
403 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
404 accelerators += 'CONFIG_HAX'
407 if targetos == 'netbsd'
408 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
410 accelerators += 'CONFIG_NVMM'
415 if get_option('tcg').allowed()
416 if host_arch == 'unknown'
417 if get_option('tcg_interpreter')
418 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
420 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
422 elif get_option('tcg_interpreter')
423 warning('Use of the TCG interpreter is not recommended on this host')
424 warning('architecture. There is a native TCG execution backend available')
425 warning('which provides substantially better performance and reliability.')
426 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
427 warning('configuration option on this architecture to use the native')
430 if get_option('tcg_interpreter')
432 elif host_arch == 'sparc64'
434 elif host_arch == 'x86_64'
436 elif host_arch == 'ppc64'
439 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
440 language: ['c', 'cpp', 'objc'])
442 accelerators += 'CONFIG_TCG'
443 config_host += { 'CONFIG_TCG': 'y' }
446 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
447 error('KVM not available on this platform')
449 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
450 error('HVF not available on this platform')
452 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
453 error('NVMM not available on this platform')
455 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
456 error('WHPX not available on this platform')
463 # The path to glib.h is added to all compilation commands. This was
464 # grandfathered in from the QEMU Makefiles.
465 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
466 native: false, language: ['c', 'cpp', 'objc'])
467 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
468 link_args: config_host['GLIB_LIBS'].split(),
469 version: config_host['GLIB_VERSION'])
470 # override glib dep with the configure results (for subprojects)
471 meson.override_dependency('glib-2.0', glib)
474 gdbus_codegen = not_found
475 if not get_option('gio').auto() or have_system
476 gio = dependency('gio-2.0', required: get_option('gio'),
477 method: 'pkg-config', kwargs: static_kwargs)
478 if gio.found() and not cc.links('''
482 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
484 }''', dependencies: [glib, gio])
485 if get_option('gio').enabled()
486 error('The installed libgio is broken for static linking')
491 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
492 required: get_option('gio'))
493 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
494 method: 'pkg-config', kwargs: static_kwargs)
495 gio = declare_dependency(dependencies: [gio, gio_unix],
496 version: gio.version())
501 if 'ust' in get_option('trace_backends')
502 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
503 method: 'pkg-config', kwargs: static_kwargs)
506 if have_system or have_tools
507 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
508 method: 'pkg-config', kwargs: static_kwargs)
510 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
513 if not get_option('linux_aio').auto() or have_block
514 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
515 required: get_option('linux_aio'),
516 kwargs: static_kwargs)
518 linux_io_uring = not_found
519 if not get_option('linux_io_uring').auto() or have_block
520 linux_io_uring = dependency('liburing', version: '>=0.3',
521 required: get_option('linux_io_uring'),
522 method: 'pkg-config', kwargs: static_kwargs)
525 if not get_option('libnfs').auto() or have_block
526 libnfs = dependency('libnfs', version: '>=1.9.3',
527 required: get_option('libnfs'),
528 method: 'pkg-config', kwargs: static_kwargs)
533 #include <sys/types.h>
534 #ifdef CONFIG_LIBATTR
535 #include <attr/xattr.h>
537 #include <sys/xattr.h>
539 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
542 have_old_libattr = false
543 if get_option('attr').allowed()
544 if cc.links(libattr_test)
545 libattr = declare_dependency()
547 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
548 required: get_option('attr'),
549 kwargs: static_kwargs)
550 if libattr.found() and not \
551 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
553 if get_option('attr').enabled()
554 error('could not link libattr')
556 warning('could not link libattr, disabling')
559 have_old_libattr = libattr.found()
564 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
565 if cocoa.found() and get_option('sdl').enabled()
566 error('Cocoa and SDL cannot be enabled at the same time')
568 if cocoa.found() and get_option('gtk').enabled()
569 error('Cocoa and GTK+ cannot be enabled at the same time')
573 if not get_option('seccomp').auto() or have_system or have_tools
574 seccomp = dependency('libseccomp', version: '>=2.3.0',
575 required: get_option('seccomp'),
576 method: 'pkg-config', kwargs: static_kwargs)
579 libcap_ng = not_found
580 if not get_option('cap_ng').auto() or have_system or have_tools
581 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
582 required: get_option('cap_ng'),
583 kwargs: static_kwargs)
585 if libcap_ng.found() and not cc.links('''
589 capng_capability_to_name(CAPNG_EFFECTIVE);
591 }''', dependencies: libcap_ng)
592 libcap_ng = not_found
593 if get_option('cap_ng').enabled()
594 error('could not link libcap-ng')
596 warning('could not link libcap-ng, disabling')
600 if get_option('xkbcommon').auto() and not have_system and not have_tools
601 xkbcommon = not_found
603 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
604 method: 'pkg-config', kwargs: static_kwargs)
608 if not get_option('vde').auto() or have_system or have_tools
609 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
610 required: get_option('vde'),
611 kwargs: static_kwargs)
613 if vde.found() and not cc.links('''
614 #include <libvdeplug.h>
617 struct vde_open_args a = {0, 0, 0};
621 }''', dependencies: vde)
623 if get_option('cap_ng').enabled()
624 error('could not link libvdeplug')
626 warning('could not link libvdeplug, disabling')
631 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
632 pulse = dependency('libpulse', required: get_option('pa'),
633 method: 'pkg-config', kwargs: static_kwargs)
636 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
637 alsa = dependency('alsa', required: get_option('alsa'),
638 method: 'pkg-config', kwargs: static_kwargs)
641 if not get_option('jack').auto() or have_system
642 jack = dependency('jack', required: get_option('jack'),
643 method: 'pkg-config', kwargs: static_kwargs)
646 spice_protocol = not_found
647 if not get_option('spice_protocol').auto() or have_system
648 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
649 required: get_option('spice_protocol'),
650 method: 'pkg-config', kwargs: static_kwargs)
653 if not get_option('spice').auto() or have_system
654 spice = dependency('spice-server', version: '>=0.12.5',
655 required: get_option('spice'),
656 method: 'pkg-config', kwargs: static_kwargs)
658 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
660 rt = cc.find_library('rt', required: false)
663 if not get_option('libiscsi').auto() or have_block
664 libiscsi = dependency('libiscsi', version: '>=1.9.0',
665 required: get_option('libiscsi'),
666 method: 'pkg-config', kwargs: static_kwargs)
669 if not get_option('zstd').auto() or have_block
670 zstd = dependency('libzstd', version: '>=1.4.0',
671 required: get_option('zstd'),
672 method: 'pkg-config', kwargs: static_kwargs)
676 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
677 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
678 virgl = dependency('virglrenderer',
679 method: 'pkg-config',
680 required: get_option('virglrenderer'),
681 kwargs: static_kwargs)
684 if not get_option('curl').auto() or have_block
685 curl = dependency('libcurl', version: '>=7.29.0',
686 method: 'pkg-config',
687 required: get_option('curl'),
688 kwargs: static_kwargs)
691 if targetos == 'linux' and (have_system or have_tools)
692 libudev = dependency('libudev',
693 method: 'pkg-config',
694 required: get_option('libudev'),
695 kwargs: static_kwargs)
698 mpathlibs = [libudev]
699 mpathpersist = not_found
700 mpathpersist_new_api = false
701 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
702 mpath_test_source_new = '''
704 #include <mpath_persist.h>
705 unsigned mpath_mx_alloc_len = 1024;
707 static struct config *multipath_conf;
708 extern struct udev *udev;
709 extern struct config *get_multipath_config(void);
710 extern void put_multipath_config(struct config *conf);
712 struct config *get_multipath_config(void) { return multipath_conf; }
713 void put_multipath_config(struct config *conf) { }
716 multipath_conf = mpath_lib_init();
719 mpath_test_source_old = '''
721 #include <mpath_persist.h>
722 unsigned mpath_mx_alloc_len = 1024;
725 struct udev *udev = udev_new();
726 mpath_lib_init(udev);
729 libmpathpersist = cc.find_library('mpathpersist',
730 required: get_option('mpath'),
731 kwargs: static_kwargs)
732 if libmpathpersist.found()
733 mpathlibs += libmpathpersist
735 mpathlibs += cc.find_library('devmapper',
736 required: get_option('mpath'),
737 kwargs: static_kwargs)
739 mpathlibs += cc.find_library('multipath',
740 required: get_option('mpath'),
741 kwargs: static_kwargs)
742 foreach lib: mpathlibs
748 if mpathlibs.length() == 0
749 msg = 'Dependencies missing for libmpathpersist'
750 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
751 mpathpersist = declare_dependency(dependencies: mpathlibs)
752 mpathpersist_new_api = true
753 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
754 mpathpersist = declare_dependency(dependencies: mpathlibs)
756 msg = 'Cannot detect libmpathpersist API'
758 if not mpathpersist.found()
759 if get_option('mpath').enabled()
762 warning(msg + ', disabling')
770 if have_system and get_option('curses').allowed()
772 #if defined(__APPLE__) || defined(__OpenBSD__)
773 #define _XOPEN_SOURCE_EXTENDED 1
780 setlocale(LC_ALL, "");
782 addwstr(L"wide chars\n");
784 add_wch(WACS_DEGREE);
788 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
789 foreach curses_dep : curses_dep_list
790 if not curses.found()
791 curses = dependency(curses_dep,
793 method: 'pkg-config',
794 kwargs: static_kwargs)
797 msg = get_option('curses').enabled() ? 'curses library not found' : ''
798 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
800 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
801 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
803 msg = 'curses package not usable'
807 if not curses.found()
808 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
809 if targetos != 'windows' and not has_curses_h
810 message('Trying with /usr/include/ncursesw')
811 curses_compile_args += ['-I/usr/include/ncursesw']
812 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
815 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
816 foreach curses_libname : curses_libname_list
817 libcurses = cc.find_library(curses_libname,
819 kwargs: static_kwargs)
821 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
822 curses = declare_dependency(compile_args: curses_compile_args,
823 dependencies: [libcurses])
826 msg = 'curses library not usable'
832 if get_option('iconv').allowed()
833 foreach link_args : [ ['-liconv'], [] ]
834 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
835 # We need to use libiconv if available because mixing libiconv's headers with
836 # the system libc does not work.
837 # However, without adding glib to the dependencies -L/usr/local/lib will not be
838 # included in the command line and libiconv will not be found.
842 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
843 return conv != (iconv_t) -1;
844 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
845 iconv = declare_dependency(link_args: link_args, dependencies: glib)
850 if curses.found() and not iconv.found()
851 if get_option('iconv').enabled()
852 error('iconv not available')
854 msg = 'iconv required for curses UI but not available'
857 if not curses.found() and msg != ''
858 if get_option('curses').enabled()
861 warning(msg + ', disabling')
867 if not get_option('brlapi').auto() or have_system
868 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
869 required: get_option('brlapi'),
870 kwargs: static_kwargs)
871 if brlapi.found() and not cc.links('''
874 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
876 if get_option('brlapi').enabled()
877 error('could not link brlapi')
879 warning('could not link brlapi, disabling')
885 if not get_option('sdl').auto() or (have_system and not cocoa.found())
886 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
887 sdl_image = not_found
890 # work around 2.0.8 bug
891 sdl = declare_dependency(compile_args: '-Wno-undef',
893 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
894 method: 'pkg-config', kwargs: static_kwargs)
896 if get_option('sdl_image').enabled()
897 error('sdl-image required, but SDL was @0@'.format(
898 get_option('sdl').disabled() ? 'disabled' : 'not found'))
900 sdl_image = not_found
904 if not get_option('rbd').auto() or have_block
905 librados = cc.find_library('rados', required: get_option('rbd'),
906 kwargs: static_kwargs)
907 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
908 required: get_option('rbd'),
909 kwargs: static_kwargs)
910 if librados.found() and librbd.found()
913 #include <rbd/librbd.h>
916 rados_create(&cluster, NULL);
917 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
921 }''', dependencies: [librbd, librados])
922 rbd = declare_dependency(dependencies: [librbd, librados])
923 elif get_option('rbd').enabled()
924 error('librbd >= 1.12.0 required')
926 warning('librbd >= 1.12.0 not found, disabling')
931 glusterfs = not_found
932 glusterfs_ftruncate_has_stat = false
933 glusterfs_iocb_has_stat = false
934 if not get_option('glusterfs').auto() or have_block
935 glusterfs = dependency('glusterfs-api', version: '>=3',
936 required: get_option('glusterfs'),
937 method: 'pkg-config', kwargs: static_kwargs)
939 glusterfs_ftruncate_has_stat = cc.links('''
940 #include <glusterfs/api/glfs.h>
945 /* new glfs_ftruncate() passes two additional args */
946 return glfs_ftruncate(NULL, 0, NULL, NULL);
948 ''', dependencies: glusterfs)
949 glusterfs_iocb_has_stat = cc.links('''
950 #include <glusterfs/api/glfs.h>
952 /* new glfs_io_cbk() passes two additional glfs_stat structs */
954 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
960 glfs_io_cbk iocb = &glusterfs_iocb;
961 iocb(NULL, 0 , NULL, NULL, NULL);
964 ''', dependencies: glusterfs)
969 if not get_option('libssh').auto() or have_block
970 libssh = dependency('libssh', version: '>=0.8.7',
971 method: 'pkg-config',
972 required: get_option('libssh'),
973 kwargs: static_kwargs)
977 if not get_option('bzip2').auto() or have_block
978 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
979 required: get_option('bzip2'),
980 kwargs: static_kwargs)
981 if libbzip2.found() and not cc.links('''
983 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
985 if get_option('bzip2').enabled()
986 error('could not link libbzip2')
988 warning('could not link libbzip2, disabling')
994 if not get_option('lzfse').auto() or have_block
995 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
996 required: get_option('lzfse'),
997 kwargs: static_kwargs)
999 if liblzfse.found() and not cc.links('''
1001 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1002 liblzfse = not_found
1003 if get_option('lzfse').enabled()
1004 error('could not link liblzfse')
1006 warning('could not link liblzfse, disabling')
1011 if get_option('oss').allowed() and have_system
1012 if not cc.has_header('sys/soundcard.h')
1014 elif targetos == 'netbsd'
1015 oss = cc.find_library('ossaudio', required: get_option('oss'),
1016 kwargs: static_kwargs)
1018 oss = declare_dependency()
1022 if get_option('oss').enabled()
1023 error('OSS not found')
1028 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1029 if cc.has_header('dsound.h')
1030 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1033 if not dsound.found()
1034 if get_option('dsound').enabled()
1035 error('DirectSound not found')
1040 coreaudio = not_found
1041 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1042 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1043 required: get_option('coreaudio'))
1047 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1048 epoxy = dependency('epoxy', method: 'pkg-config',
1049 required: get_option('opengl'), kwargs: static_kwargs)
1050 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1052 elif get_option('opengl').enabled()
1053 error('epoxy/egl.h not found')
1057 if (have_system or have_tools) and (virgl.found() or opengl.found())
1058 gbm = dependency('gbm', method: 'pkg-config', required: false,
1059 kwargs: static_kwargs)
1061 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1064 gnutls_crypto = not_found
1065 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1066 # For general TLS support our min gnutls matches
1067 # that implied by our platform support matrix
1069 # For the crypto backends, we look for a newer
1072 # Version 3.6.8 is needed to get XTS
1073 # Version 3.6.13 is needed to get PBKDF
1074 # Version 3.6.14 is needed to get HW accelerated XTS
1076 # If newer enough gnutls isn't available, we can
1077 # still use a different crypto backend to satisfy
1078 # the platform support requirements
1079 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1080 method: 'pkg-config',
1082 kwargs: static_kwargs)
1083 if gnutls_crypto.found()
1084 gnutls = gnutls_crypto
1086 # Our min version if all we need is TLS
1087 gnutls = dependency('gnutls', version: '>=3.5.18',
1088 method: 'pkg-config',
1089 required: get_option('gnutls'),
1090 kwargs: static_kwargs)
1094 # We prefer use of gnutls for crypto, unless the options
1095 # explicitly asked for nettle or gcrypt.
1097 # If gnutls isn't available for crypto, then we'll prefer
1098 # gcrypt over nettle for performance reasons.
1103 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1104 error('Only one of gcrypt & nettle can be enabled')
1107 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1108 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1109 gnutls_crypto = not_found
1112 if not gnutls_crypto.found()
1113 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1114 gcrypt = dependency('libgcrypt', version: '>=1.8',
1115 method: 'config-tool',
1116 required: get_option('gcrypt'),
1117 kwargs: static_kwargs)
1118 # Debian has removed -lgpg-error from libgcrypt-config
1119 # as it "spreads unnecessary dependencies" which in
1120 # turn breaks static builds...
1121 if gcrypt.found() and enable_static
1122 gcrypt = declare_dependency(dependencies: [
1124 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1127 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1128 nettle = dependency('nettle', version: '>=3.4',
1129 method: 'pkg-config',
1130 required: get_option('nettle'),
1131 kwargs: static_kwargs)
1132 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1141 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1142 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1143 method: 'pkg-config',
1144 required: get_option('gtk'),
1145 kwargs: static_kwargs)
1147 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1148 method: 'pkg-config',
1150 kwargs: static_kwargs)
1151 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1153 if not get_option('vte').auto() or have_system
1154 vte = dependency('vte-2.91',
1155 method: 'pkg-config',
1156 required: get_option('vte'),
1157 kwargs: static_kwargs)
1164 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1165 kwargs: static_kwargs)
1168 if get_option('png').allowed() and have_system
1169 png = dependency('libpng', required: get_option('png'),
1170 method: 'pkg-config', kwargs: static_kwargs)
1175 if get_option('vnc').allowed() and have_system
1176 vnc = declare_dependency() # dummy dependency
1177 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1178 method: 'pkg-config', kwargs: static_kwargs)
1179 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1180 required: get_option('vnc_sasl'),
1181 kwargs: static_kwargs)
1183 sasl = declare_dependency(dependencies: sasl,
1184 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1189 if not get_option('auth_pam').auto() or have_system
1190 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1191 required: get_option('auth_pam'),
1192 kwargs: static_kwargs)
1194 if pam.found() and not cc.links('''
1196 #include <security/pam_appl.h>
1198 const char *service_name = "qemu";
1199 const char *user = "frank";
1200 const struct pam_conv pam_conv = { 0 };
1201 pam_handle_t *pamh = NULL;
1202 pam_start(service_name, user, &pam_conv, &pamh);
1204 }''', dependencies: pam)
1206 if get_option('auth_pam').enabled()
1207 error('could not link libpam')
1209 warning('could not link libpam, disabling')
1214 if not get_option('snappy').auto() or have_system
1215 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1216 required: get_option('snappy'),
1217 kwargs: static_kwargs)
1219 if snappy.found() and not linker.links('''
1220 #include <snappy-c.h>
1221 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1223 if get_option('snappy').enabled()
1224 error('could not link libsnappy')
1226 warning('could not link libsnappy, disabling')
1231 if not get_option('lzo').auto() or have_system
1232 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1233 required: get_option('lzo'),
1234 kwargs: static_kwargs)
1236 if lzo.found() and not cc.links('''
1237 #include <lzo/lzo1x.h>
1238 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1240 if get_option('lzo').enabled()
1241 error('could not link liblzo2')
1243 warning('could not link liblzo2, disabling')
1248 if not get_option('numa').auto() or have_system or have_tools
1249 numa = cc.find_library('numa', has_headers: ['numa.h'],
1250 required: get_option('numa'),
1251 kwargs: static_kwargs)
1253 if numa.found() and not cc.links('''
1255 int main(void) { return numa_available(); }
1256 ''', dependencies: numa)
1258 if get_option('numa').enabled()
1259 error('could not link numa')
1261 warning('could not link numa, disabling')
1266 if not get_option('rdma').auto() or have_system
1267 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1268 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1269 required: get_option('rdma'),
1270 kwargs: static_kwargs),
1271 cc.find_library('ibverbs', required: get_option('rdma'),
1272 kwargs: static_kwargs),
1274 rdma = declare_dependency(dependencies: rdma_libs)
1275 foreach lib: rdma_libs
1283 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1284 xencontrol = dependency('xencontrol', required: false,
1285 method: 'pkg-config', kwargs: static_kwargs)
1286 if xencontrol.found()
1287 xen_pc = declare_dependency(version: xencontrol.version(),
1290 # disabler: true makes xen_pc.found() return false if any is not found
1291 dependency('xenstore', required: false,
1292 method: 'pkg-config', kwargs: static_kwargs,
1294 dependency('xenforeignmemory', required: false,
1295 method: 'pkg-config', kwargs: static_kwargs,
1297 dependency('xengnttab', required: false,
1298 method: 'pkg-config', kwargs: static_kwargs,
1300 dependency('xenevtchn', required: false,
1301 method: 'pkg-config', kwargs: static_kwargs,
1303 dependency('xendevicemodel', required: false,
1304 method: 'pkg-config', kwargs: static_kwargs,
1306 # optional, no "disabler: true"
1307 dependency('xentoolcore', required: false,
1308 method: 'pkg-config', kwargs: static_kwargs)])
1314 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1316 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1317 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1318 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1319 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1320 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1321 '4.6.0': [ 'xenstore', 'xenctrl' ],
1322 '4.5.0': [ 'xenstore', 'xenctrl' ],
1323 '4.2.0': [ 'xenstore', 'xenctrl' ],
1326 foreach ver: xen_tests
1327 # cache the various library tests to avoid polluting the logs
1329 foreach l: xen_libs[ver]
1330 if l not in xen_deps
1331 xen_deps += { l: cc.find_library(l, required: false) }
1333 xen_test_deps += xen_deps[l]
1336 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1337 xen_version = ver.split('.')
1338 xen_ctrl_version = xen_version[0] + \
1339 ('0' + xen_version[1]).substring(-2) + \
1340 ('0' + xen_version[2]).substring(-2)
1341 if cc.links(files('scripts/xen-detect.c'),
1342 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1343 dependencies: xen_test_deps)
1344 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1350 accelerators += 'CONFIG_XEN'
1351 elif get_option('xen').enabled()
1352 error('could not compile and link Xen test program')
1355 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1356 .require(xen.found(),
1357 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1358 .require(targetos == 'linux',
1359 error_message: 'Xen PCI passthrough not available on this platform') \
1364 if not get_option('smartcard').auto() or have_system
1365 cacard = dependency('libcacard', required: get_option('smartcard'),
1366 version: '>=2.5.1', method: 'pkg-config',
1367 kwargs: static_kwargs)
1371 u2f = dependency('u2f-emu', required: get_option('u2f'),
1372 method: 'pkg-config',
1373 kwargs: static_kwargs)
1375 usbredir = not_found
1376 if not get_option('usb_redir').auto() or have_system
1377 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1378 version: '>=0.6', method: 'pkg-config',
1379 kwargs: static_kwargs)
1382 if not get_option('libusb').auto() or have_system
1383 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1384 version: '>=1.0.13', method: 'pkg-config',
1385 kwargs: static_kwargs)
1389 if not get_option('libpmem').auto() or have_system
1390 libpmem = dependency('libpmem', required: get_option('libpmem'),
1391 method: 'pkg-config', kwargs: static_kwargs)
1393 libdaxctl = not_found
1394 if not get_option('libdaxctl').auto() or have_system
1395 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1396 version: '>=57', method: 'pkg-config',
1397 kwargs: static_kwargs)
1401 tasn1 = dependency('libtasn1',
1402 method: 'pkg-config',
1403 kwargs: static_kwargs)
1405 keyutils = dependency('libkeyutils', required: false,
1406 method: 'pkg-config', kwargs: static_kwargs)
1408 has_gettid = cc.has_function('gettid')
1411 selinux = dependency('libselinux',
1412 required: get_option('selinux'),
1413 method: 'pkg-config', kwargs: static_kwargs)
1418 if get_option('malloc') == 'system'
1420 get_option('malloc_trim').allowed() and \
1421 cc.links('''#include <malloc.h>
1422 int main(void) { malloc_trim(0); return 0; }''')
1424 has_malloc_trim = false
1425 malloc = cc.find_library(get_option('malloc'), required: true)
1427 if not has_malloc_trim and get_option('malloc_trim').enabled()
1428 if get_option('malloc') == 'system'
1429 error('malloc_trim not available on this platform.')
1431 error('malloc_trim not available with non-libc memory allocator')
1435 # Check whether the glibc provides statx()
1437 gnu_source_prefix = '''
1442 statx_test = gnu_source_prefix + '''
1443 #include <sys/stat.h>
1445 struct statx statxbuf;
1446 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1450 has_statx = cc.links(statx_test)
1452 # Check whether statx() provides mount ID information
1454 statx_mnt_id_test = gnu_source_prefix + '''
1455 #include <sys/stat.h>
1457 struct statx statxbuf;
1458 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1459 return statxbuf.stx_mnt_id;
1462 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1464 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1465 .require(targetos == 'linux',
1466 error_message: 'vhost_user_blk_server requires linux') \
1467 .require(have_vhost_user,
1468 error_message: 'vhost_user_blk_server requires vhost-user support') \
1469 .disable_auto_if(not have_system) \
1472 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1473 error('Cannot enable fuse-lseek while fuse is disabled')
1476 fuse = dependency('fuse3', required: get_option('fuse'),
1477 version: '>=3.1', method: 'pkg-config',
1478 kwargs: static_kwargs)
1480 fuse_lseek = not_found
1481 if get_option('fuse_lseek').allowed()
1482 if fuse.version().version_compare('>=3.8')
1484 fuse_lseek = declare_dependency()
1485 elif get_option('fuse_lseek').enabled()
1487 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1489 error('fuse-lseek requires libfuse, which was not found')
1495 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1496 if libbpf.found() and not cc.links('''
1497 #include <bpf/libbpf.h>
1500 bpf_object__destroy_skeleton(NULL);
1502 }''', dependencies: libbpf)
1504 if get_option('bpf').enabled()
1505 error('libbpf skeleton test failed')
1507 warning('libbpf skeleton test failed, disabling')
1515 audio_drivers_selected = []
1517 audio_drivers_available = {
1518 'alsa': alsa.found(),
1519 'coreaudio': coreaudio.found(),
1520 'dsound': dsound.found(),
1521 'jack': jack.found(),
1523 'pa': pulse.found(),
1526 foreach k, v: audio_drivers_available
1527 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1530 # Default to native drivers first, OSS second, SDL third
1531 audio_drivers_priority = \
1532 [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1533 (targetos == 'linux' ? [] : [ 'sdl' ])
1534 audio_drivers_default = []
1535 foreach k: audio_drivers_priority
1536 if audio_drivers_available[k]
1537 audio_drivers_default += k
1541 foreach k: get_option('audio_drv_list')
1543 audio_drivers_selected += audio_drivers_default
1544 elif not audio_drivers_available[k]
1545 error('Audio driver "@0@" not available.'.format(k))
1547 audio_drivers_selected += k
1551 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1552 '"' + '", "'.join(audio_drivers_selected) + '", ')
1554 if get_option('cfi')
1556 # Check for dependency on LTO
1557 if not get_option('b_lto')
1558 error('Selected Control-Flow Integrity but LTO is disabled')
1560 if config_host.has_key('CONFIG_MODULES')
1561 error('Selected Control-Flow Integrity is not compatible with modules')
1563 # Check for cfi flags. CFI requires LTO so we can't use
1564 # get_supported_arguments, but need a more complex "compiles" which allows
1566 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1567 args: ['-flto', '-fsanitize=cfi-icall'] )
1568 cfi_flags += '-fsanitize=cfi-icall'
1570 error('-fsanitize=cfi-icall is not supported by the compiler')
1572 if cc.compiles('int main () { return 0; }',
1573 name: '-fsanitize-cfi-icall-generalize-pointers',
1574 args: ['-flto', '-fsanitize=cfi-icall',
1575 '-fsanitize-cfi-icall-generalize-pointers'] )
1576 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1578 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1580 if get_option('cfi_debug')
1581 if cc.compiles('int main () { return 0; }',
1582 name: '-fno-sanitize-trap=cfi-icall',
1583 args: ['-flto', '-fsanitize=cfi-icall',
1584 '-fno-sanitize-trap=cfi-icall'] )
1585 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1587 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1590 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1591 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1594 have_host_block_device = (targetos != 'darwin' or
1595 cc.has_header('IOKit/storage/IOMedia.h'))
1597 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1598 dbus_display = get_option('dbus_display') \
1599 .require(gio.version().version_compare('>=2.64'),
1600 error_message: '-display dbus requires glib>=2.64') \
1601 .require(enable_modules,
1602 error_message: '-display dbus requires --enable-modules') \
1603 .require(gdbus_codegen.found(),
1604 error_message: '-display dbus requires gdbus-codegen') \
1607 have_virtfs = get_option('virtfs') \
1608 .require(targetos == 'linux' or targetos == 'darwin',
1609 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1610 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1611 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1612 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1613 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1614 .disable_auto_if(not have_tools and not have_system) \
1617 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1619 if get_option('block_drv_ro_whitelist') == ''
1620 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1622 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1623 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1625 if get_option('block_drv_rw_whitelist') == ''
1626 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1628 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1629 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1632 foreach k : get_option('trace_backends')
1633 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1635 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1636 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1638 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1640 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1641 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1642 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1643 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1644 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1645 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1646 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1647 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1648 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1649 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1650 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1651 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1653 if config_host.has_key('CONFIG_MODULES')
1654 config_host_data.set('CONFIG_STAMP', run_command(
1655 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1656 meson.project_version(), get_option('pkgversion'), '--',
1657 meson.current_source_dir() / 'configure',
1658 capture: true, check: true).stdout().strip())
1661 have_slirp_smbd = get_option('slirp_smbd') \
1662 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1665 smbd_path = get_option('smbd')
1667 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1669 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1672 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1674 if get_option('module_upgrades') and not enable_modules
1675 error('Cannot enable module-upgrades as modules are not enabled')
1677 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1679 config_host_data.set('CONFIG_ATTR', libattr.found())
1680 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1681 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1682 config_host_data.set('CONFIG_COCOA', cocoa.found())
1683 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1684 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1685 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1686 config_host_data.set('CONFIG_LZO', lzo.found())
1687 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1688 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1689 config_host_data.set('CONFIG_CURL', curl.found())
1690 config_host_data.set('CONFIG_CURSES', curses.found())
1691 config_host_data.set('CONFIG_GBM', gbm.found())
1692 config_host_data.set('CONFIG_GIO', gio.found())
1693 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1694 if glusterfs.found()
1695 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1696 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1697 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1698 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1699 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1700 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1702 config_host_data.set('CONFIG_GTK', gtk.found())
1703 config_host_data.set('CONFIG_VTE', vte.found())
1704 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1705 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1706 config_host_data.set('CONFIG_EBPF', libbpf.found())
1707 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1708 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1709 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1710 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1711 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1712 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1713 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1714 config_host_data.set('CONFIG_NUMA', numa.found())
1715 config_host_data.set('CONFIG_OPENGL', opengl.found())
1716 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1717 config_host_data.set('CONFIG_RBD', rbd.found())
1718 config_host_data.set('CONFIG_RDMA', rdma.found())
1719 config_host_data.set('CONFIG_SDL', sdl.found())
1720 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1721 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1722 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1723 config_host_data.set('CONFIG_TPM', have_tpm)
1724 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1725 config_host_data.set('CONFIG_VDE', vde.found())
1726 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1727 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1728 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1729 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1730 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1731 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1732 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1733 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1734 config_host_data.set('CONFIG_PNG', png.found())
1735 config_host_data.set('CONFIG_VNC', vnc.found())
1736 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1737 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1738 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1739 config_host_data.set('CONFIG_VTE', vte.found())
1740 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1741 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1742 config_host_data.set('CONFIG_GETTID', has_gettid)
1743 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1744 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1745 config_host_data.set('CONFIG_TASN1', tasn1.found())
1746 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1747 config_host_data.set('CONFIG_NETTLE', nettle.found())
1748 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1749 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1750 config_host_data.set('CONFIG_STATX', has_statx)
1751 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1752 config_host_data.set('CONFIG_ZSTD', zstd.found())
1753 config_host_data.set('CONFIG_FUSE', fuse.found())
1754 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1755 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1756 if spice_protocol.found()
1757 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1758 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1759 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1761 config_host_data.set('CONFIG_SPICE', spice.found())
1762 config_host_data.set('CONFIG_X11', x11.found())
1763 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1764 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1765 config_host_data.set('CONFIG_SELINUX', selinux.found())
1766 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1768 # protect from xen.version() having less than three components
1769 xen_version = xen.version().split('.') + ['0', '0']
1770 xen_ctrl_version = xen_version[0] + \
1771 ('0' + xen_version[1]).substring(-2) + \
1772 ('0' + xen_version[2]).substring(-2)
1773 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1775 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1776 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1777 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1778 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1780 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1781 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1783 have_coroutine_pool = get_option('coroutine_pool')
1784 if get_option('debug_stack_usage') and have_coroutine_pool
1785 message('Disabling coroutine pool to measure stack usage')
1786 have_coroutine_pool = false
1788 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1789 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1790 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1791 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1792 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1793 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1794 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1797 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1798 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1799 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1800 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1801 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1802 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1803 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1804 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1805 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1808 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1809 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1810 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1811 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1812 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1813 # Note that we need to specify prefix: here to avoid incorrectly
1814 # thinking that Windows has posix_memalign()
1815 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1816 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1817 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1818 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1819 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1820 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1821 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1822 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1823 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1824 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1825 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1826 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1827 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1828 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1829 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1830 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1831 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1833 config_host_data.set('HAVE_IBV_ADVISE_MR',
1834 cc.has_function('ibv_advise_mr',
1836 prefix: '#include <infiniband/verbs.h>'))
1840 config_host_data.set('CONFIG_BYTESWAP_H',
1841 cc.has_header_symbol('byteswap.h', 'bswap_32'))
1842 config_host_data.set('CONFIG_EPOLL_CREATE1',
1843 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1844 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1845 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1846 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1847 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1848 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1849 config_host_data.set('CONFIG_FIEMAP',
1850 cc.has_header('linux/fiemap.h') and
1851 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1852 config_host_data.set('CONFIG_GETRANDOM',
1853 cc.has_function('getrandom') and
1854 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1855 config_host_data.set('CONFIG_INOTIFY',
1856 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1857 config_host_data.set('CONFIG_INOTIFY1',
1858 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1859 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1860 cc.has_header_symbol('machine/bswap.h', 'bswap32',
1861 prefix: '''#include <sys/endian.h>
1862 #include <sys/types.h>'''))
1863 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1864 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1865 config_host_data.set('CONFIG_RTNETLINK',
1866 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1867 config_host_data.set('CONFIG_SYSMACROS',
1868 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1869 config_host_data.set('HAVE_OPTRESET',
1870 cc.has_header_symbol('getopt.h', 'optreset'))
1871 config_host_data.set('HAVE_IPPROTO_MPTCP',
1872 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1875 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1876 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1877 prefix: '#include <signal.h>'))
1878 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1879 cc.has_member('struct stat', 'st_atim',
1880 prefix: '#include <sys/stat.h>'))
1883 config_host_data.set('CONFIG_IOVEC',
1884 cc.has_type('struct iovec',
1885 prefix: '#include <sys/uio.h>'))
1886 config_host_data.set('HAVE_UTMPX',
1887 cc.has_type('struct utmpx',
1888 prefix: '#include <utmpx.h>'))
1890 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1891 #include <sys/eventfd.h>
1892 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1893 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1896 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1897 return fdatasync(0);
1899 #error Not supported
1903 has_madvise = cc.links(gnu_source_prefix + '''
1904 #include <sys/types.h>
1905 #include <sys/mman.h>
1907 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1908 missing_madvise_proto = false
1910 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1911 # but forget to prototype it. In this case, has_madvise will be true (the
1912 # test program links despite a compile warning). To detect the
1913 # missing-prototype case, we try again with a definitely-bogus prototype.
1914 # This will only compile if the system headers don't provide the prototype;
1915 # otherwise the conflicting prototypes will cause a compiler error.
1916 missing_madvise_proto = cc.links(gnu_source_prefix + '''
1917 #include <sys/types.h>
1918 #include <sys/mman.h>
1920 extern int madvise(int);
1921 int main(void) { return madvise(0); }''')
1923 config_host_data.set('CONFIG_MADVISE', has_madvise)
1924 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1926 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1927 #include <sys/mman.h>
1928 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1929 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1931 #if !defined(AT_EMPTY_PATH)
1932 # error missing definition
1934 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1936 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1943 return pipe2(pipefd, O_CLOEXEC);
1945 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1946 #include <sys/mman.h>
1948 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1950 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1951 #include <pthread.h>
1953 static void *f(void *p) { return NULL; }
1957 pthread_create(&thread, 0, f, 0);
1958 pthread_setname_np(thread, "QEMU");
1960 }''', dependencies: threads))
1961 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1962 #include <pthread.h>
1964 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1968 pthread_create(&thread, 0, f, 0);
1970 }''', dependencies: threads))
1971 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
1972 #include <pthread.h>
1977 pthread_condattr_t attr
1978 pthread_condattr_init(&attr);
1979 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
1981 }''', dependencies: threads))
1983 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1984 #include <sys/signalfd.h>
1986 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1987 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1995 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1996 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2000 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2001 #include <sys/mman.h>
2002 int main(int argc, char *argv[]) {
2003 return mlockall(MCL_FUTURE);
2007 if get_option('l2tpv3').allowed() and have_system
2008 have_l2tpv3 = cc.has_type('struct mmsghdr',
2009 prefix: gnu_source_prefix + '''
2010 #include <sys/socket.h>
2011 #include <linux/ip.h>''')
2013 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2016 if get_option('netmap').allowed() and have_system
2017 have_netmap = cc.compiles('''
2018 #include <inttypes.h>
2020 #include <net/netmap.h>
2021 #include <net/netmap_user.h>
2022 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2025 int main(void) { return 0; }''')
2026 if not have_netmap and get_option('netmap').enabled()
2027 error('Netmap headers not available')
2030 config_host_data.set('CONFIG_NETMAP', have_netmap)
2032 # Work around a system header bug with some kernel/XFS header
2033 # versions where they both try to define 'struct fsxattr':
2034 # xfs headers will not try to redefine structs from linux headers
2035 # if this macro is set.
2036 config_host_data.set('HAVE_FSXATTR', cc.links('''
2037 #include <linux/fs.h>
2043 # Some versions of Mac OS X incorrectly define SIZE_MAX
2044 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2047 int main(int argc, char *argv[]) {
2048 return printf("%zu", SIZE_MAX);
2049 }''', args: ['-Werror']))
2056 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2057 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2058 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2059 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2060 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2064 # See if 64-bit atomic operations are supported.
2065 # Note that without __atomic builtins, we can only
2066 # assume atomic loads/stores max at pointer size.
2067 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2069 has_int128 = cc.links('''
2079 config_host_data.set('CONFIG_INT128', has_int128)
2082 # "do we have 128-bit atomics which are handled inline and specifically not
2083 # via libatomic". The reason we can't use libatomic is documented in the
2084 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2085 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2087 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2089 if not has_atomic128
2090 has_cmpxchg128 = cc.links('''
2093 unsigned __int128 x = 0, y = 0;
2094 __sync_val_compare_and_swap_16(&x, y, x);
2099 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2103 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2104 #include <sys/auxv.h>
2106 return getauxval(AT_HWCAP) == 0;
2109 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2110 #include <linux/usbdevice_fs.h>
2112 #ifndef USBDEVFS_GET_CAPABILITIES
2113 #error "USBDEVFS_GET_CAPABILITIES undefined"
2116 #ifndef USBDEVFS_DISCONNECT_CLAIM
2117 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2120 int main(void) { return 0; }'''))
2122 have_keyring = get_option('keyring') \
2123 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2124 .require(cc.compiles('''
2126 #include <asm/unistd.h>
2127 #include <linux/keyctl.h>
2128 #include <sys/syscall.h>
2131 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2132 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2133 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2135 have_cpuid_h = cc.links('''
2138 unsigned a, b, c, d;
2139 unsigned max = __get_cpuid_max(0, 0);
2142 __cpuid(1, a, b, c, d);
2146 __cpuid_count(7, 0, a, b, c, d);
2151 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2153 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2154 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2155 .require(cc.links('''
2156 #pragma GCC push_options
2157 #pragma GCC target("avx2")
2159 #include <immintrin.h>
2160 static int bar(void *a) {
2161 __m256i x = *(__m256i *)a;
2162 return _mm256_testz_si256(x, x);
2164 int main(int argc, char *argv[]) { return bar(argv[0]); }
2165 '''), error_message: 'AVX2 not available').allowed())
2167 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2168 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2169 .require(cc.links('''
2170 #pragma GCC push_options
2171 #pragma GCC target("avx512f")
2173 #include <immintrin.h>
2174 static int bar(void *a) {
2175 __m512i x = *(__m512i *)a;
2176 return _mm512_test_epi64_mask(x, x);
2178 int main(int argc, char *argv[]) { return bar(argv[0]); }
2179 '''), error_message: 'AVX512F not available').allowed())
2181 have_pvrdma = get_option('pvrdma') \
2182 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2183 .require(cc.compiles(gnu_source_prefix + '''
2184 #include <sys/mman.h>
2189 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2192 }'''), error_message: 'PVRDMA requires mremap').allowed()
2195 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2196 #include <infiniband/verbs.h>
2200 struct ibv_pd *pd = NULL;
2206 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2212 if get_option('membarrier').disabled()
2213 have_membarrier = false
2214 elif targetos == 'windows'
2215 have_membarrier = true
2216 elif targetos == 'linux'
2217 have_membarrier = cc.compiles('''
2218 #include <linux/membarrier.h>
2219 #include <sys/syscall.h>
2223 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2224 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2228 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2229 .require(have_membarrier, error_message: 'membarrier system call not available') \
2232 have_afalg = get_option('crypto_afalg') \
2233 .require(cc.compiles(gnu_source_prefix + '''
2235 #include <sys/types.h>
2236 #include <sys/socket.h>
2237 #include <linux/if_alg.h>
2240 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2243 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2244 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2246 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2247 'linux/vm_sockets.h', 'AF_VSOCK',
2248 prefix: '#include <sys/socket.h>',
2252 have_vss_sdk = false # old xp/2003 SDK
2253 if targetos == 'windows' and link_language == 'cpp'
2254 have_vss = cxx.compiles('''
2255 #define __MIDL_user_allocate_free_DEFINED__
2257 int main(void) { return VSS_CTX_BACKUP; }''')
2258 have_vss_sdk = cxx.has_header('vscoordint.h')
2260 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2262 foreach k, v: config_host
2263 if k.startswith('CONFIG_')
2264 config_host_data.set(k, v == 'y' ? 1 : v)
2268 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2269 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2270 if targetos == 'windows'
2271 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2277 }''', name: '_lock_file and _unlock_file'))
2280 ########################
2281 # Target configuration #
2282 ########################
2284 minikconf = find_program('scripts/minikconf.py')
2286 config_all_devices = {}
2287 config_all_disas = {}
2288 config_devices_mak_list = []
2289 config_devices_h = {}
2290 config_target_h = {}
2291 config_target_mak = {}
2294 'alpha' : ['CONFIG_ALPHA_DIS'],
2295 'arm' : ['CONFIG_ARM_DIS'],
2296 'avr' : ['CONFIG_AVR_DIS'],
2297 'cris' : ['CONFIG_CRIS_DIS'],
2298 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2299 'hppa' : ['CONFIG_HPPA_DIS'],
2300 'i386' : ['CONFIG_I386_DIS'],
2301 'x86_64' : ['CONFIG_I386_DIS'],
2302 'm68k' : ['CONFIG_M68K_DIS'],
2303 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2304 'mips' : ['CONFIG_MIPS_DIS'],
2305 'nios2' : ['CONFIG_NIOS2_DIS'],
2306 'or1k' : ['CONFIG_OPENRISC_DIS'],
2307 'ppc' : ['CONFIG_PPC_DIS'],
2308 'riscv' : ['CONFIG_RISCV_DIS'],
2309 'rx' : ['CONFIG_RX_DIS'],
2310 's390' : ['CONFIG_S390_DIS'],
2311 'sh4' : ['CONFIG_SH4_DIS'],
2312 'sparc' : ['CONFIG_SPARC_DIS'],
2313 'xtensa' : ['CONFIG_XTENSA_DIS'],
2315 if link_language == 'cpp'
2317 'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2318 'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2319 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2323 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2325 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2326 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2327 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2328 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2329 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2330 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2331 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2332 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2333 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2334 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2335 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2336 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2337 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2339 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2341 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2342 actual_target_dirs = []
2344 foreach target : target_dirs
2345 config_target = { 'TARGET_NAME': target.split('-')[0] }
2346 if target.endswith('linux-user')
2347 if targetos != 'linux'
2351 error('Target @0@ is only available on a Linux host'.format(target))
2353 config_target += { 'CONFIG_LINUX_USER': 'y' }
2354 elif target.endswith('bsd-user')
2355 if 'CONFIG_BSD' not in config_host
2359 error('Target @0@ is only available on a BSD host'.format(target))
2361 config_target += { 'CONFIG_BSD_USER': 'y' }
2362 elif target.endswith('softmmu')
2363 config_target += { 'CONFIG_SOFTMMU': 'y' }
2365 if target.endswith('-user')
2367 'CONFIG_USER_ONLY': 'y',
2368 'CONFIG_QEMU_INTERP_PREFIX':
2369 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2374 foreach sym: accelerators
2375 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2376 config_target += { sym: 'y' }
2377 config_all += { sym: 'y' }
2378 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2379 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2381 if target in modular_tcg
2382 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2384 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2386 accel_kconfig += [ sym + '=y' ]
2389 if accel_kconfig.length() == 0
2393 error('No accelerator available for target @0@'.format(target))
2396 actual_target_dirs += target
2397 config_target += keyval.load('configs/targets' / target + '.mak')
2398 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2400 if 'TARGET_NEED_FDT' in config_target
2401 fdt_required += target
2405 if 'TARGET_BASE_ARCH' not in config_target
2406 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2408 if 'TARGET_ABI_DIR' not in config_target
2409 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2411 if 'TARGET_BIG_ENDIAN' not in config_target
2412 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2415 foreach k, v: disassemblers
2416 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2418 config_target += { sym: 'y' }
2419 config_all_disas += { sym: 'y' }
2424 config_target_data = configuration_data()
2425 foreach k, v: config_target
2426 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2428 elif ignored.contains(k)
2430 elif k == 'TARGET_BASE_ARCH'
2431 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2432 # not used to select files from sourcesets.
2433 config_target_data.set('TARGET_' + v.to_upper(), 1)
2434 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2435 config_target_data.set_quoted(k, v)
2437 config_target_data.set(k, 1)
2439 config_target_data.set(k, 0)
2441 config_target_data.set(k, v)
2444 config_target_data.set('QEMU_ARCH',
2445 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2446 config_target_h += {target: configure_file(output: target + '-config-target.h',
2447 configuration: config_target_data)}
2449 if target.endswith('-softmmu')
2450 config_input = meson.get_external_property(target, 'default')
2451 config_devices_mak = target + '-config-devices.mak'
2452 config_devices_mak = configure_file(
2453 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2454 output: config_devices_mak,
2455 depfile: config_devices_mak + '.d',
2457 command: [minikconf,
2458 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2459 config_devices_mak, '@DEPFILE@', '@INPUT@',
2460 host_kconfig, accel_kconfig,
2461 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2463 config_devices_data = configuration_data()
2464 config_devices = keyval.load(config_devices_mak)
2465 foreach k, v: config_devices
2466 config_devices_data.set(k, 1)
2468 config_devices_mak_list += config_devices_mak
2469 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2470 configuration: config_devices_data)}
2471 config_target += config_devices
2472 config_all_devices += config_devices
2474 config_target_mak += {target: config_target}
2476 target_dirs = actual_target_dirs
2478 # This configuration is used to build files that are shared by
2479 # multiple binaries, and then extracted out of the "common"
2480 # static_library target.
2482 # We do not use all_sources()/all_dependencies(), because it would
2483 # build literally all source files, including devices only used by
2484 # targets that are not built for this compilation. The CONFIG_ALL
2485 # pseudo symbol replaces it.
2487 config_all += config_all_devices
2488 config_all += config_host
2489 config_all += config_all_disas
2491 'CONFIG_XEN': xen.found(),
2492 'CONFIG_SOFTMMU': have_system,
2493 'CONFIG_USER_ONLY': have_user,
2497 target_configs_h = []
2498 foreach target: target_dirs
2499 target_configs_h += config_target_h[target]
2500 target_configs_h += config_devices_h.get(target, [])
2502 genh += custom_target('config-poison.h',
2503 input: [target_configs_h],
2504 output: 'config-poison.h',
2506 command: [find_program('scripts/make-config-poison.sh'),
2513 capstone = not_found
2514 capstone_opt = get_option('capstone')
2515 if capstone_opt in ['enabled', 'auto', 'system']
2516 have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2517 capstone = dependency('capstone', version: '>=4.0',
2518 kwargs: static_kwargs, method: 'pkg-config',
2519 required: capstone_opt == 'system' or
2520 capstone_opt == 'enabled' and not have_internal)
2522 # Some versions of capstone have broken pkg-config file
2523 # that reports a wrong -I path, causing the #include to
2524 # fail later. If the system has such a broken version
2526 if capstone.found() and not cc.compiles('#include <capstone.h>',
2527 dependencies: [capstone])
2528 capstone = not_found
2529 if capstone_opt == 'system'
2530 error('system capstone requested, it does not appear to work')
2535 capstone_opt = 'system'
2537 capstone_opt = 'internal'
2539 capstone_opt = 'disabled'
2542 if capstone_opt == 'internal'
2543 capstone_data = configuration_data()
2544 capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2546 capstone_files = files(
2548 'capstone/MCInst.c',
2549 'capstone/MCInstrDesc.c',
2550 'capstone/MCRegisterInfo.c',
2551 'capstone/SStream.c',
2555 if 'CONFIG_ARM_DIS' in config_all_disas
2556 capstone_data.set('CAPSTONE_HAS_ARM', '1')
2557 capstone_files += files(
2558 'capstone/arch/ARM/ARMDisassembler.c',
2559 'capstone/arch/ARM/ARMInstPrinter.c',
2560 'capstone/arch/ARM/ARMMapping.c',
2561 'capstone/arch/ARM/ARMModule.c'
2565 # FIXME: This config entry currently depends on a c++ compiler.
2566 # Which is needed for building libvixl, but not for capstone.
2567 if 'CONFIG_ARM_A64_DIS' in config_all_disas
2568 capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2569 capstone_files += files(
2570 'capstone/arch/AArch64/AArch64BaseInfo.c',
2571 'capstone/arch/AArch64/AArch64Disassembler.c',
2572 'capstone/arch/AArch64/AArch64InstPrinter.c',
2573 'capstone/arch/AArch64/AArch64Mapping.c',
2574 'capstone/arch/AArch64/AArch64Module.c'
2578 if 'CONFIG_PPC_DIS' in config_all_disas
2579 capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2580 capstone_files += files(
2581 'capstone/arch/PowerPC/PPCDisassembler.c',
2582 'capstone/arch/PowerPC/PPCInstPrinter.c',
2583 'capstone/arch/PowerPC/PPCMapping.c',
2584 'capstone/arch/PowerPC/PPCModule.c'
2588 if 'CONFIG_S390_DIS' in config_all_disas
2589 capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2590 capstone_files += files(
2591 'capstone/arch/SystemZ/SystemZDisassembler.c',
2592 'capstone/arch/SystemZ/SystemZInstPrinter.c',
2593 'capstone/arch/SystemZ/SystemZMapping.c',
2594 'capstone/arch/SystemZ/SystemZModule.c',
2595 'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2599 if 'CONFIG_I386_DIS' in config_all_disas
2600 capstone_data.set('CAPSTONE_HAS_X86', 1)
2601 capstone_files += files(
2602 'capstone/arch/X86/X86Disassembler.c',
2603 'capstone/arch/X86/X86DisassemblerDecoder.c',
2604 'capstone/arch/X86/X86ATTInstPrinter.c',
2605 'capstone/arch/X86/X86IntelInstPrinter.c',
2606 'capstone/arch/X86/X86InstPrinterCommon.c',
2607 'capstone/arch/X86/X86Mapping.c',
2608 'capstone/arch/X86/X86Module.c'
2612 configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2615 # FIXME: There does not seem to be a way to completely replace the c_args
2616 # that come from add_project_arguments() -- we can only add to them.
2617 # So: disable all warnings with a big hammer.
2620 # Include all configuration defines via a header file, which will wind up
2621 # as a dependency on the object file, and thus changes here will result
2623 '-include', 'capstone-defs.h'
2626 libcapstone = static_library('capstone',
2627 build_by_default: false,
2628 sources: capstone_files,
2629 c_args: capstone_cargs,
2630 include_directories: 'capstone/include')
2631 capstone = declare_dependency(link_with: libcapstone,
2632 include_directories: 'capstone/include/capstone')
2636 slirp_opt = 'disabled'
2638 slirp_opt = get_option('slirp')
2639 if slirp_opt in ['enabled', 'auto', 'system']
2640 have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2641 slirp_dep_required = (slirp_opt == 'system' or
2642 slirp_opt == 'enabled' and not have_internal)
2643 slirp = dependency('slirp', kwargs: static_kwargs,
2644 method: 'pkg-config', version: '>=4.1.0',
2645 required: slirp_dep_required)
2646 # slirp <4.7 is incompatible with CFI support in QEMU. This is because
2647 # it passes function pointers within libslirp as callbacks for timers.
2648 # When using a system-wide shared libslirp, the type information for the
2649 # callback is missing and the timer call produces a false positive with CFI.
2650 # Do not use the "version" keyword argument to produce a better error.
2651 # with control-flow integrity.
2652 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2653 if slirp_dep_required
2654 error('Control-Flow Integrity requires libslirp 4.7.')
2656 warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2661 slirp_opt = 'system'
2663 slirp_opt = 'internal'
2665 slirp_opt = 'disabled'
2668 if slirp_opt == 'internal'
2670 if targetos == 'windows'
2671 slirp_deps = cc.find_library('iphlpapi')
2672 elif targetos == 'darwin'
2673 slirp_deps = cc.find_library('resolv')
2675 slirp_conf = configuration_data()
2676 slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2677 slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2678 slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2679 slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2680 slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2682 'slirp/src/arp_table.c',
2683 'slirp/src/bootp.c',
2684 'slirp/src/cksum.c',
2685 'slirp/src/dhcpv6.c',
2686 'slirp/src/dnssearch.c',
2688 'slirp/src/ip6_icmp.c',
2689 'slirp/src/ip6_input.c',
2690 'slirp/src/ip6_output.c',
2691 'slirp/src/ip_icmp.c',
2692 'slirp/src/ip_input.c',
2693 'slirp/src/ip_output.c',
2697 'slirp/src/ndp_table.c',
2699 'slirp/src/slirp.c',
2700 'slirp/src/socket.c',
2701 'slirp/src/state.c',
2702 'slirp/src/stream.c',
2703 'slirp/src/tcp_input.c',
2704 'slirp/src/tcp_output.c',
2705 'slirp/src/tcp_subr.c',
2706 'slirp/src/tcp_timer.c',
2711 'slirp/src/version.c',
2712 'slirp/src/vmstate.c',
2716 input : 'slirp/src/libslirp-version.h.in',
2717 output : 'libslirp-version.h',
2718 configuration: slirp_conf)
2720 slirp_inc = include_directories('slirp', 'slirp/src')
2721 libslirp = static_library('slirp',
2722 build_by_default: false,
2723 sources: slirp_files,
2724 c_args: slirp_cargs,
2725 include_directories: slirp_inc)
2726 slirp = declare_dependency(link_with: libslirp,
2727 dependencies: slirp_deps,
2728 include_directories: slirp_inc)
2734 fdt_opt = get_option('fdt')
2735 if fdt_opt in ['enabled', 'auto', 'system']
2736 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2737 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2738 required: fdt_opt == 'system' or
2739 fdt_opt == 'enabled' and not have_internal)
2740 if fdt.found() and cc.links('''
2742 #include <libfdt_env.h>
2743 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2746 elif fdt_opt == 'system'
2747 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2749 fdt_opt = 'internal'
2751 fdt_opt = 'disabled'
2755 if fdt_opt == 'internal'
2758 'dtc/libfdt/fdt_ro.c',
2759 'dtc/libfdt/fdt_wip.c',
2760 'dtc/libfdt/fdt_sw.c',
2761 'dtc/libfdt/fdt_rw.c',
2762 'dtc/libfdt/fdt_strerror.c',
2763 'dtc/libfdt/fdt_empty_tree.c',
2764 'dtc/libfdt/fdt_addresses.c',
2765 'dtc/libfdt/fdt_overlay.c',
2766 'dtc/libfdt/fdt_check.c',
2769 fdt_inc = include_directories('dtc/libfdt')
2770 libfdt = static_library('fdt',
2771 build_by_default: false,
2773 include_directories: fdt_inc)
2774 fdt = declare_dependency(link_with: libfdt,
2775 include_directories: fdt_inc)
2778 fdt_opt = 'disabled'
2780 if not fdt.found() and fdt_required.length() > 0
2781 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2784 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2785 config_host_data.set('CONFIG_FDT', fdt.found())
2786 config_host_data.set('CONFIG_SLIRP', slirp.found())
2788 #####################
2789 # Generated sources #
2790 #####################
2792 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2794 hxtool = find_program('scripts/hxtool')
2795 shaderinclude = find_program('scripts/shaderinclude.pl')
2796 qapi_gen = find_program('scripts/qapi-gen.py')
2797 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2798 meson.current_source_dir() / 'scripts/qapi/commands.py',
2799 meson.current_source_dir() / 'scripts/qapi/common.py',
2800 meson.current_source_dir() / 'scripts/qapi/error.py',
2801 meson.current_source_dir() / 'scripts/qapi/events.py',
2802 meson.current_source_dir() / 'scripts/qapi/expr.py',
2803 meson.current_source_dir() / 'scripts/qapi/gen.py',
2804 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2805 meson.current_source_dir() / 'scripts/qapi/parser.py',
2806 meson.current_source_dir() / 'scripts/qapi/schema.py',
2807 meson.current_source_dir() / 'scripts/qapi/source.py',
2808 meson.current_source_dir() / 'scripts/qapi/types.py',
2809 meson.current_source_dir() / 'scripts/qapi/visit.py',
2810 meson.current_source_dir() / 'scripts/qapi/common.py',
2811 meson.current_source_dir() / 'scripts/qapi-gen.py'
2815 python, files('scripts/tracetool.py'),
2816 '--backend=' + ','.join(get_option('trace_backends'))
2818 tracetool_depends = files(
2819 'scripts/tracetool/backend/log.py',
2820 'scripts/tracetool/backend/__init__.py',
2821 'scripts/tracetool/backend/dtrace.py',
2822 'scripts/tracetool/backend/ftrace.py',
2823 'scripts/tracetool/backend/simple.py',
2824 'scripts/tracetool/backend/syslog.py',
2825 'scripts/tracetool/backend/ust.py',
2826 'scripts/tracetool/format/ust_events_c.py',
2827 'scripts/tracetool/format/ust_events_h.py',
2828 'scripts/tracetool/format/__init__.py',
2829 'scripts/tracetool/format/d.py',
2830 'scripts/tracetool/format/simpletrace_stap.py',
2831 'scripts/tracetool/format/c.py',
2832 'scripts/tracetool/format/h.py',
2833 'scripts/tracetool/format/log_stap.py',
2834 'scripts/tracetool/format/stap.py',
2835 'scripts/tracetool/__init__.py',
2836 'scripts/tracetool/transform.py',
2837 'scripts/tracetool/vcpu.py'
2840 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2841 meson.current_source_dir(),
2842 get_option('pkgversion'), meson.project_version()]
2843 qemu_version = custom_target('qemu-version.h',
2844 output: 'qemu-version.h',
2845 command: qemu_version_cmd,
2847 build_by_default: true,
2848 build_always_stale: true)
2849 genh += qemu_version
2853 ['qemu-options.hx', 'qemu-options.def'],
2854 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2858 ['hmp-commands.hx', 'hmp-commands.h'],
2859 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2862 foreach d : hx_headers
2863 hxdep += custom_target(d[1],
2867 build_by_default: true, # to be removed when added to a target
2868 command: [hxtool, '-h', '@INPUT0@'])
2876 authz_ss = ss.source_set()
2877 blockdev_ss = ss.source_set()
2878 block_ss = ss.source_set()
2879 chardev_ss = ss.source_set()
2880 common_ss = ss.source_set()
2881 crypto_ss = ss.source_set()
2882 hwcore_ss = ss.source_set()
2883 io_ss = ss.source_set()
2884 qmp_ss = ss.source_set()
2885 qom_ss = ss.source_set()
2886 softmmu_ss = ss.source_set()
2887 specific_fuzz_ss = ss.source_set()
2888 specific_ss = ss.source_set()
2889 stub_ss = ss.source_set()
2890 trace_ss = ss.source_set()
2891 user_ss = ss.source_set()
2892 util_ss = ss.source_set()
2895 qtest_module_ss = ss.source_set()
2896 tcg_module_ss = ss.source_set()
2902 target_softmmu_arch = {}
2903 target_user_arch = {}
2909 # TODO: add each directory to the subdirs from its own meson.build, once
2911 trace_events_subdirs = [
2919 trace_events_subdirs += [ 'linux-user' ]
2922 trace_events_subdirs += [ 'bsd-user' ]
2925 trace_events_subdirs += [
2934 trace_events_subdirs += [
2948 'hw/block/dataplane',
2997 if have_system or have_user
2998 trace_events_subdirs += [
3016 vhost_user = not_found
3017 if targetos == 'linux' and have_vhost_user
3018 libvhost_user = subproject('libvhost-user')
3019 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3022 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3023 # that is filled in by qapi/.
3037 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3038 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3041 qom_ss = qom_ss.apply(config_host, strict: false)
3042 libqom = static_library('qom', qom_ss.sources() + genh,
3043 dependencies: [qom_ss.dependencies()],
3045 qom = declare_dependency(link_whole: libqom)
3047 event_loop_base = files('event-loop-base.c')
3048 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3049 build_by_default: true)
3050 event_loop_base = declare_dependency(link_whole: event_loop_base,
3051 dependencies: [qom])
3053 stub_ss = stub_ss.apply(config_all, strict: false)
3055 util_ss.add_all(trace_ss)
3056 util_ss = util_ss.apply(config_all, strict: false)
3057 libqemuutil = static_library('qemuutil',
3058 sources: util_ss.sources() + stub_ss.sources() + genh,
3059 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3060 qemuutil = declare_dependency(link_with: libqemuutil,
3061 sources: genh + version_res,
3062 dependencies: [event_loop_base])
3064 if have_system or have_user
3065 decodetree = generator(find_program('scripts/decodetree.py'),
3067 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3068 subdir('libdecnumber')
3085 if config_host_data.get('CONFIG_REPLICATION')
3086 block_ss.add(files('replication.c'))
3093 blockdev_ss.add(files(
3100 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3101 # os-win32.c does not
3102 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3103 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3106 common_ss.add(files('cpus-common.c'))
3110 common_ss.add(capstone)
3111 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3113 # Work around a gcc bug/misfeature wherein constant propagation looks
3115 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3116 # to guess that a const variable is always zero. Without lto, this is
3117 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3118 # without lto, not even the alias is required -- we simply use different
3119 # declarations in different compilation units.
3120 pagevary = files('page-vary-common.c')
3121 if get_option('b_lto')
3122 pagevary_flags = ['-fno-lto']
3123 if get_option('cfi')
3124 pagevary_flags += '-fno-sanitize=cfi-icall'
3126 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3127 c_args: pagevary_flags)
3128 pagevary = declare_dependency(link_with: pagevary)
3130 common_ss.add(pagevary)
3131 specific_ss.add(files('page-vary.c'))
3139 subdir('semihosting')
3146 common_user_inc = []
3148 subdir('common-user')
3150 subdir('linux-user')
3152 # needed for fuzzing binaries
3153 subdir('tests/qtest/libqos')
3154 subdir('tests/qtest/fuzz')
3157 tcg_real_module_ss = ss.source_set()
3158 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3159 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3160 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3161 'tcg': tcg_real_module_ss }}
3163 ########################
3164 # Library dependencies #
3165 ########################
3167 modinfo_collect = find_program('scripts/modinfo-collect.py')
3168 modinfo_generate = find_program('scripts/modinfo-generate.py')
3173 foreach d, list : modules
3174 foreach m, module_ss : list
3175 if enable_modules and targetos != 'windows'
3176 module_ss = module_ss.apply(config_all, strict: false)
3177 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3178 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3184 if module_ss.sources() != []
3185 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3186 # input. Sources can be used multiple times but objects are
3187 # unique when it comes to lookup in compile_commands.json.
3188 # Depnds on a mesion version with
3189 # https://github.com/mesonbuild/meson/pull/8900
3190 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3191 output: d + '-' + m + '.modinfo',
3192 input: module_ss.sources() + genh,
3194 command: [modinfo_collect, module_ss.sources()])
3198 block_ss.add_all(module_ss)
3200 softmmu_ss.add_all(module_ss)
3206 foreach d, list : target_modules
3207 foreach m, module_ss : list
3208 if enable_modules and targetos != 'windows'
3209 foreach target : target_dirs
3210 if target.endswith('-softmmu')
3211 config_target = config_target_mak[target]
3212 config_target += config_host
3213 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3214 c_args = ['-DNEED_CPU_H',
3217 target_module_ss = module_ss.apply(config_target, strict: false)
3218 if target_module_ss.sources() != []
3219 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3220 sl = static_library(module_name,
3221 [genh, target_module_ss.sources()],
3222 dependencies: [modulecommon, target_module_ss.dependencies()],
3223 include_directories: target_inc,
3227 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3228 modinfo_files += custom_target(module_name + '.modinfo',
3229 output: module_name + '.modinfo',
3230 input: target_module_ss.sources() + genh,
3232 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3237 specific_ss.add_all(module_ss)
3243 modinfo_src = custom_target('modinfo.c',
3244 output: 'modinfo.c',
3245 input: modinfo_files,
3246 command: [modinfo_generate, '@INPUT@'],
3248 modinfo_lib = static_library('modinfo', modinfo_src)
3249 modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3250 softmmu_ss.add(modinfo_dep)
3253 nm = find_program('nm')
3254 undefsym = find_program('scripts/undefsym.py')
3255 block_syms = custom_target('block.syms', output: 'block.syms',
3256 input: [libqemuutil, block_mods],
3258 command: [undefsym, nm, '@INPUT@'])
3259 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3260 input: [libqemuutil, softmmu_mods],
3262 command: [undefsym, nm, '@INPUT@'])
3264 authz_ss = authz_ss.apply(config_host, strict: false)
3265 libauthz = static_library('authz', authz_ss.sources() + genh,
3266 dependencies: [authz_ss.dependencies()],
3268 build_by_default: false)
3270 authz = declare_dependency(link_whole: libauthz,
3273 crypto_ss = crypto_ss.apply(config_host, strict: false)
3274 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3275 dependencies: [crypto_ss.dependencies()],
3277 build_by_default: false)
3279 crypto = declare_dependency(link_whole: libcrypto,
3280 dependencies: [authz, qom])
3282 io_ss = io_ss.apply(config_host, strict: false)
3283 libio = static_library('io', io_ss.sources() + genh,
3284 dependencies: [io_ss.dependencies()],
3285 link_with: libqemuutil,
3287 build_by_default: false)
3289 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3291 libmigration = static_library('migration', sources: migration_files + genh,
3293 build_by_default: false)
3294 migration = declare_dependency(link_with: libmigration,
3295 dependencies: [zlib, qom, io])
3296 softmmu_ss.add(migration)
3298 block_ss = block_ss.apply(config_host, strict: false)
3299 libblock = static_library('block', block_ss.sources() + genh,
3300 dependencies: block_ss.dependencies(),
3301 link_depends: block_syms,
3303 build_by_default: false)
3305 block = declare_dependency(link_whole: [libblock],
3306 link_args: '@block.syms',
3307 dependencies: [crypto, io])
3309 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3310 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3311 dependencies: blockdev_ss.dependencies(),
3313 build_by_default: false)
3315 blockdev = declare_dependency(link_whole: [libblockdev],
3316 dependencies: [block, event_loop_base])
3318 qmp_ss = qmp_ss.apply(config_host, strict: false)
3319 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3320 dependencies: qmp_ss.dependencies(),
3322 build_by_default: false)
3324 qmp = declare_dependency(link_whole: [libqmp])
3326 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3328 dependencies: chardev_ss.dependencies(),
3329 build_by_default: false)
3331 chardev = declare_dependency(link_whole: libchardev)
3333 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3334 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3336 build_by_default: false)
3337 hwcore = declare_dependency(link_whole: libhwcore)
3338 common_ss.add(hwcore)
3344 emulator_modules = []
3345 foreach m : block_mods + softmmu_mods
3346 emulator_modules += shared_module(m.name(),
3347 build_by_default: true,
3351 install_dir: qemu_moddir)
3354 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355 common_ss.add(qom, qemuutil)
3357 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3360 common_all = common_ss.apply(config_all, strict: false)
3361 common_all = static_library('common',
3362 build_by_default: false,
3363 sources: common_all.sources() + genh,
3364 include_directories: common_user_inc,
3365 implicit_include_directories: false,
3366 dependencies: common_all.dependencies(),
3369 feature_to_c = find_program('scripts/feature_to_c.sh')
3371 if targetos == 'darwin'
3372 entitlement = find_program('scripts/entitlement.sh')
3376 foreach target : target_dirs
3377 config_target = config_target_mak[target]
3378 target_name = config_target['TARGET_NAME']
3379 target_base_arch = config_target['TARGET_BASE_ARCH']
3380 arch_srcs = [config_target_h[target]]
3382 c_args = ['-DNEED_CPU_H',
3385 link_args = emulator_link_args
3387 config_target += config_host
3388 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389 if targetos == 'linux'
3390 target_inc += include_directories('linux-headers', is_system: true)
3392 if target.endswith('-softmmu')
3393 qemu_target_name = 'qemu-system-' + target_name
3394 target_type='system'
3395 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3396 arch_srcs += t.sources()
3397 arch_deps += t.dependencies()
3399 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3400 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3401 arch_srcs += hw.sources()
3402 arch_deps += hw.dependencies()
3404 arch_srcs += config_devices_h[target]
3405 link_args += ['@block.syms', '@qemu.syms']
3407 abi = config_target['TARGET_ABI_DIR']
3409 target_inc += common_user_inc
3410 qemu_target_name = 'qemu-' + target_name
3411 if target_base_arch in target_user_arch
3412 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3413 arch_srcs += t.sources()
3414 arch_deps += t.dependencies()
3416 if 'CONFIG_LINUX_USER' in config_target
3417 base_dir = 'linux-user'
3419 if 'CONFIG_BSD_USER' in config_target
3420 base_dir = 'bsd-user'
3421 target_inc += include_directories('bsd-user/' / targetos)
3422 target_inc += include_directories('bsd-user/host/' / host_arch)
3423 dir = base_dir / abi
3424 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3426 target_inc += include_directories(
3430 if 'CONFIG_LINUX_USER' in config_target
3431 dir = base_dir / abi
3432 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3433 if config_target.has_key('TARGET_SYSTBL_ABI')
3435 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3436 extra_args : config_target['TARGET_SYSTBL_ABI'])
3441 if 'TARGET_XML_FILES' in config_target
3442 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3443 output: target + '-gdbstub-xml.c',
3444 input: files(config_target['TARGET_XML_FILES'].split()),
3445 command: [feature_to_c, '@INPUT@'],
3447 arch_srcs += gdbstub_xml
3450 t = target_arch[target_base_arch].apply(config_target, strict: false)
3451 arch_srcs += t.sources()
3452 arch_deps += t.dependencies()
3454 target_common = common_ss.apply(config_target, strict: false)
3455 objects = common_all.extract_objects(target_common.sources())
3456 deps = target_common.dependencies()
3458 target_specific = specific_ss.apply(config_target, strict: false)
3459 arch_srcs += target_specific.sources()
3460 arch_deps += target_specific.dependencies()
3462 lib = static_library('qemu-' + target,
3463 sources: arch_srcs + genh,
3464 dependencies: arch_deps,
3466 include_directories: target_inc,
3468 build_by_default: false,
3471 if target.endswith('-softmmu')
3473 'name': 'qemu-system-' + target_name,
3474 'win_subsystem': 'console',
3475 'sources': files('softmmu/main.c'),
3478 if targetos == 'windows' and (sdl.found() or gtk.found())
3480 'name': 'qemu-system-' + target_name + 'w',
3481 'win_subsystem': 'windows',
3482 'sources': files('softmmu/main.c'),
3486 if get_option('fuzzing')
3487 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3489 'name': 'qemu-fuzz-' + target_name,
3490 'win_subsystem': 'console',
3491 'sources': specific_fuzz.sources(),
3492 'dependencies': specific_fuzz.dependencies(),
3497 'name': 'qemu-' + target_name,
3498 'win_subsystem': 'console',
3504 exe_name = exe['name']
3505 if targetos == 'darwin'
3506 exe_name += '-unsigned'
3509 emulator = executable(exe_name, exe['sources'],
3512 dependencies: arch_deps + deps + exe['dependencies'],
3513 objects: lib.extract_all_objects(recursive: true),
3514 link_language: link_language,
3515 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3516 link_args: link_args,
3517 win_subsystem: exe['win_subsystem'])
3519 if targetos == 'darwin'
3520 icon = 'pc-bios/qemu.rsrc'
3521 build_input = [emulator, files(icon)]
3523 get_option('bindir') / exe_name,
3524 meson.current_source_dir() / icon
3526 if 'CONFIG_HVF' in config_target
3527 entitlements = 'accel/hvf/entitlements.plist'
3528 build_input += files(entitlements)
3529 install_input += meson.current_source_dir() / entitlements
3532 emulators += {exe['name'] : custom_target(exe['name'],
3534 output: exe['name'],
3535 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3538 meson.add_install_script(entitlement, '--install',
3539 get_option('bindir') / exe['name'],
3542 emulators += {exe['name']: emulator}
3547 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3548 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3549 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3550 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3552 custom_target(exe['name'] + stp['ext'],
3553 input: trace_events_all,
3554 output: exe['name'] + stp['ext'],
3555 install: stp['install'],
3556 install_dir: get_option('datadir') / 'systemtap/tapset',
3558 tracetool, '--group=all', '--format=' + stp['fmt'],
3559 '--binary=' + stp['bin'],
3560 '--target-name=' + target_name,
3561 '--target-type=' + target_type,
3562 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3563 '@INPUT@', '@OUTPUT@'
3565 depend_files: tracetool_depends)
3571 # Other build targets
3573 if 'CONFIG_PLUGIN' in config_host
3574 install_headers('include/qemu/qemu-plugin.h')
3579 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3580 # when we don't build tools or system
3581 if xkbcommon.found()
3582 # used for the update-keymaps target, so include rules even if !have_tools
3583 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3584 dependencies: [qemuutil, xkbcommon], install: have_tools)
3588 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3589 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3590 qemu_io = executable('qemu-io', files('qemu-io.c'),
3591 dependencies: [block, qemuutil], install: true)
3592 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3593 dependencies: [blockdev, qemuutil, gnutls, selinux],
3596 subdir('storage-daemon')
3597 subdir('contrib/rdmacm-mux')
3598 subdir('contrib/elf2dmp')
3600 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3601 dependencies: qemuutil,
3605 subdir('contrib/vhost-user-blk')
3606 subdir('contrib/vhost-user-gpu')
3607 subdir('contrib/vhost-user-input')
3608 subdir('contrib/vhost-user-scsi')
3611 if targetos == 'linux'
3612 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3613 dependencies: [qemuutil, libcap_ng],
3615 install_dir: get_option('libexecdir'))
3617 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3618 dependencies: [authz, crypto, io, qom, qemuutil,
3619 libcap_ng, mpathpersist],
3624 subdir('contrib/ivshmem-client')
3625 subdir('contrib/ivshmem-server')
3638 if host_machine.system() == 'windows'
3640 find_program('scripts/nsis.py'),
3642 get_option('prefix'),
3643 meson.current_source_dir(),
3646 '-DDISPLAYVERSION=' + meson.project_version(),
3649 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3652 nsis_cmd += '-DCONFIG_GTK=y'
3655 nsis = custom_target('nsis',
3656 output: 'qemu-setup-' + meson.project_version() + '.exe',
3657 input: files('qemu.nsi'),
3658 build_always_stale: true,
3659 command: nsis_cmd + ['@INPUT@'])
3660 alias_target('installer', nsis)
3663 #########################
3664 # Configuration summary #
3665 #########################
3669 summary_info += {'Install prefix': get_option('prefix')}
3670 summary_info += {'BIOS directory': qemu_datadir}
3671 summary_info += {'firmware path': get_option('prefix') / get_option('qemu_firmwarepath')}
3672 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3673 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674 summary_info += {'module directory': qemu_moddir}
3675 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3678 if targetos != 'windows'
3679 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3682 summary_info += {'local state directory': 'queried at runtime'}
3684 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3685 summary_info += {'Build directory': meson.current_build_dir()}
3686 summary_info += {'Source path': meson.current_source_dir()}
3687 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3688 summary(summary_info, bool_yn: true, section: 'Directories')
3692 summary_info += {'git': config_host['GIT']}
3693 summary_info += {'make': config_host['MAKE']}
3694 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695 summary_info += {'sphinx-build': sphinx_build}
3696 if config_host.has_key('HAVE_GDB_BIN')
3697 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3699 summary_info += {'iasl': iasl}
3700 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3701 if targetos == 'windows' and have_ga
3702 summary_info += {'wixl': wixl}
3704 if slirp_opt != 'disabled' and have_system
3705 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3707 summary(summary_info, bool_yn: true, section: 'Host binaries')
3709 # Configurable features
3711 summary_info += {'Documentation': build_docs}
3712 summary_info += {'system-mode emulation': have_system}
3713 summary_info += {'user-mode emulation': have_user}
3714 summary_info += {'block layer': have_block}
3715 summary_info += {'Install blobs': get_option('install_blobs')}
3716 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3717 if config_host.has_key('CONFIG_MODULES')
3718 summary_info += {'alternative module path': get_option('module_upgrades')}
3720 summary_info += {'fuzzing support': get_option('fuzzing')}
3722 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3724 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3725 if 'simple' in get_option('trace_backends')
3726 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3728 summary_info += {'D-Bus display': dbus_display}
3729 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3730 summary_info += {'vhost-kernel support': have_vhost_kernel}
3731 summary_info += {'vhost-net support': have_vhost_net}
3732 summary_info += {'vhost-user support': have_vhost_user}
3733 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736 summary_info += {'build guest agent': have_ga}
3737 summary(summary_info, bool_yn: true, section: 'Configurable features')
3739 # Compilation information
3741 summary_info += {'host CPU': cpu}
3742 summary_info += {'host endianness': build_machine.endian()}
3743 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3744 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745 if link_language == 'cpp'
3746 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3748 summary_info += {'C++ compiler': false}
3750 if targetos == 'darwin'
3751 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3753 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3754 + ['-O' + get_option('optimization')]
3755 + (get_option('debug') ? ['-g'] : []))}
3756 if link_language == 'cpp'
3757 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3758 + ['-O' + get_option('optimization')]
3759 + (get_option('debug') ? ['-g'] : []))}
3761 if targetos == 'darwin'
3762 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3763 + ['-O' + get_option('optimization')]
3764 + (get_option('debug') ? ['-g'] : []))}
3766 link_args = get_option(link_language + '_link_args')
3767 if link_args.length() > 0
3768 summary_info += {'LDFLAGS': ' '.join(link_args)}
3770 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3771 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3772 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3773 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3774 summary_info += {'profiler': get_option('profiler')}
3775 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3776 summary_info += {'PIE': get_option('b_pie')}
3777 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3778 summary_info += {'malloc trim support': has_malloc_trim}
3779 summary_info += {'membarrier': have_membarrier}
3780 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3781 summary_info += {'mutex debugging': get_option('debug_mutex')}
3782 summary_info += {'memory allocator': get_option('malloc')}
3783 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3784 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3785 summary_info += {'gprof enabled': get_option('gprof')}
3786 summary_info += {'gcov': get_option('b_coverage')}
3787 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3788 summary_info += {'CFI support': get_option('cfi')}
3789 if get_option('cfi')
3790 summary_info += {'CFI debug support': get_option('cfi_debug')}
3792 summary_info += {'strip binaries': get_option('strip')}
3793 summary_info += {'sparse': sparse}
3794 summary_info += {'mingw32 support': targetos == 'windows'}
3796 # snarf the cross-compilation information for tests
3797 foreach target: target_dirs
3798 tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3799 if fs.exists(tcg_mak)
3800 config_cross_tcg = keyval.load(tcg_mak)
3801 target = config_cross_tcg['TARGET_NAME']
3803 if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3804 summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3805 ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3806 elif 'CROSS_CC_GUEST' in config_cross_tcg
3807 summary_info += {target + ' tests'
3808 : config_cross_tcg['CROSS_CC_GUEST'] }
3813 summary(summary_info, bool_yn: true, section: 'Compilation')
3815 # Targets and accelerators
3818 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3819 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3820 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3821 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3822 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3823 summary_info += {'Xen support': xen.found()}
3825 summary_info += {'xen ctrl version': xen.version()}
3828 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3829 if config_all.has_key('CONFIG_TCG')
3830 if get_option('tcg_interpreter')
3831 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3833 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3835 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3836 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3838 summary_info += {'target list': ' '.join(target_dirs)}
3840 summary_info += {'default devices': get_option('default_devices')}
3841 summary_info += {'out of process emulation': multiprocess_allowed}
3843 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3847 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3848 summary_info += {'coroutine pool': have_coroutine_pool}
3850 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3851 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3852 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3853 summary_info += {'VirtFS support': have_virtfs}
3854 summary_info += {'build virtiofs daemon': have_virtiofsd}
3855 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3856 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3857 summary_info += {'bochs support': get_option('bochs').allowed()}
3858 summary_info += {'cloop support': get_option('cloop').allowed()}
3859 summary_info += {'dmg support': get_option('dmg').allowed()}
3860 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3861 summary_info += {'vdi support': get_option('vdi').allowed()}
3862 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3863 summary_info += {'qed support': get_option('qed').allowed()}
3864 summary_info += {'parallels support': get_option('parallels').allowed()}
3865 summary_info += {'FUSE exports': fuse}
3867 summary(summary_info, bool_yn: true, section: 'Block layer support')
3871 summary_info += {'TLS priority': get_option('tls_priority')}
3872 summary_info += {'GNUTLS support': gnutls}
3874 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3876 summary_info += {'libgcrypt': gcrypt}
3877 summary_info += {'nettle': nettle}
3879 summary_info += {' XTS': xts != 'private'}
3881 summary_info += {'AF_ALG support': have_afalg}
3882 summary_info += {'rng-none': get_option('rng_none')}
3883 summary_info += {'Linux keyring': have_keyring}
3884 summary(summary_info, bool_yn: true, section: 'Crypto')
3888 if targetos == 'darwin'
3889 summary_info += {'Cocoa support': cocoa}
3891 summary_info += {'SDL support': sdl}
3892 summary_info += {'SDL image support': sdl_image}
3893 summary_info += {'GTK support': gtk}
3894 summary_info += {'pixman': pixman}
3895 summary_info += {'VTE support': vte}
3896 summary_info += {'slirp support': slirp_opt == 'internal' ? slirp_opt : slirp}
3897 summary_info += {'libtasn1': tasn1}
3898 summary_info += {'PAM': pam}
3899 summary_info += {'iconv support': iconv}
3900 summary_info += {'curses support': curses}
3901 summary_info += {'virgl support': virgl}
3902 summary_info += {'curl support': curl}
3903 summary_info += {'Multipath support': mpathpersist}
3904 summary_info += {'PNG support': png}
3905 summary_info += {'VNC support': vnc}
3907 summary_info += {'VNC SASL support': sasl}
3908 summary_info += {'VNC JPEG support': jpeg}
3910 if targetos not in ['darwin', 'haiku', 'windows']
3911 summary_info += {'OSS support': oss}
3912 elif targetos == 'darwin'
3913 summary_info += {'CoreAudio support': coreaudio}
3914 elif targetos == 'windows'
3915 summary_info += {'DirectSound support': dsound}
3917 if targetos == 'linux'
3918 summary_info += {'ALSA support': alsa}
3919 summary_info += {'PulseAudio support': pulse}
3921 summary_info += {'JACK support': jack}
3922 summary_info += {'brlapi support': brlapi}
3923 summary_info += {'vde support': vde}
3924 summary_info += {'netmap support': have_netmap}
3925 summary_info += {'l2tpv3 support': have_l2tpv3}
3926 summary_info += {'Linux AIO support': libaio}
3927 summary_info += {'Linux io_uring support': linux_io_uring}
3928 summary_info += {'ATTR/XATTR support': libattr}
3929 summary_info += {'RDMA support': rdma}
3930 summary_info += {'PVRDMA support': have_pvrdma}
3931 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3932 summary_info += {'libcap-ng support': libcap_ng}
3933 summary_info += {'bpf support': libbpf}
3934 summary_info += {'spice protocol support': spice_protocol}
3935 if spice_protocol.found()
3936 summary_info += {' spice server support': spice}
3938 summary_info += {'rbd support': rbd}
3939 summary_info += {'smartcard support': cacard}
3940 summary_info += {'U2F support': u2f}
3941 summary_info += {'libusb': libusb}
3942 summary_info += {'usb net redir': usbredir}
3943 summary_info += {'OpenGL support (epoxy)': opengl}
3944 summary_info += {'GBM': gbm}
3945 summary_info += {'libiscsi support': libiscsi}
3946 summary_info += {'libnfs support': libnfs}
3947 if targetos == 'windows'
3949 summary_info += {'QGA VSS support': have_qga_vss}
3952 summary_info += {'seccomp support': seccomp}
3953 summary_info += {'GlusterFS support': glusterfs}
3954 summary_info += {'TPM support': have_tpm}
3955 summary_info += {'libssh support': libssh}
3956 summary_info += {'lzo support': lzo}
3957 summary_info += {'snappy support': snappy}
3958 summary_info += {'bzip2 support': libbzip2}
3959 summary_info += {'lzfse support': liblzfse}
3960 summary_info += {'zstd support': zstd}
3961 summary_info += {'NUMA host support': numa}
3962 summary_info += {'capstone': capstone_opt == 'internal' ? capstone_opt : capstone}
3963 summary_info += {'libpmem support': libpmem}
3964 summary_info += {'libdaxctl support': libdaxctl}
3965 summary_info += {'libudev': libudev}
3966 # Dummy dependency, keep .found()
3967 summary_info += {'FUSE lseek': fuse_lseek.found()}
3968 summary_info += {'selinux': selinux}
3969 summary(summary_info, bool_yn: true, section: 'Dependencies')
3971 if not supported_cpus.contains(cpu)
3973 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3975 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3976 message('The QEMU project intends to remove support for this host CPU in')
3977 message('a future release if nobody volunteers to maintain it and to')
3978 message('provide a build host for our continuous integration setup.')
3979 message('configure has succeeded and you can continue to build, but')
3980 message('if you care about QEMU on this platform you should contact')
3984 if not supported_oses.contains(targetos)
3986 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3988 message('Host OS ' + targetos + 'support is not currently maintained.')
3989 message('The QEMU project intends to remove support for this host OS in')
3990 message('a future release if nobody volunteers to maintain it and to')
3991 message('provide a build host for our continuous integration setup.')
3992 message('configure has succeeded and you can continue to build, but')
3993 message('if you care about QEMU on this platform you should contact')