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'],
471 'bindir': config_host['GLIB_BINDIR'],
473 # override glib dep with the configure results (for subprojects)
474 meson.override_dependency('glib-2.0', glib)
477 gdbus_codegen = not_found
478 if not get_option('gio').auto() or have_system
479 gio = dependency('gio-2.0', required: get_option('gio'),
480 method: 'pkg-config', kwargs: static_kwargs)
481 if gio.found() and not cc.links('''
485 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
487 }''', dependencies: [glib, gio])
488 if get_option('gio').enabled()
489 error('The installed libgio is broken for static linking')
494 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
495 required: get_option('gio'))
496 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
497 method: 'pkg-config', kwargs: static_kwargs)
498 gio = declare_dependency(dependencies: [gio, gio_unix],
499 version: gio.version())
504 if 'ust' in get_option('trace_backends')
505 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
506 method: 'pkg-config', kwargs: static_kwargs)
509 if have_system or have_tools
510 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
511 method: 'pkg-config', kwargs: static_kwargs)
513 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
516 if not get_option('linux_aio').auto() or have_block
517 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
518 required: get_option('linux_aio'),
519 kwargs: static_kwargs)
522 linux_io_uring_test = '''
523 #include <liburing.h>
524 #include <linux/errqueue.h>
526 int main(void) { return 0; }'''
528 linux_io_uring = not_found
529 if not get_option('linux_io_uring').auto() or have_block
530 linux_io_uring = dependency('liburing', version: '>=0.3',
531 required: get_option('linux_io_uring'),
532 method: 'pkg-config', kwargs: static_kwargs)
533 if not cc.links(linux_io_uring_test)
534 linux_io_uring = not_found
539 if not get_option('libnfs').auto() or have_block
540 libnfs = dependency('libnfs', version: '>=1.9.3',
541 required: get_option('libnfs'),
542 method: 'pkg-config', kwargs: static_kwargs)
547 #include <sys/types.h>
548 #ifdef CONFIG_LIBATTR
549 #include <attr/xattr.h>
551 #include <sys/xattr.h>
553 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
556 have_old_libattr = false
557 if get_option('attr').allowed()
558 if cc.links(libattr_test)
559 libattr = declare_dependency()
561 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
562 required: get_option('attr'),
563 kwargs: static_kwargs)
564 if libattr.found() and not \
565 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
567 if get_option('attr').enabled()
568 error('could not link libattr')
570 warning('could not link libattr, disabling')
573 have_old_libattr = libattr.found()
578 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
579 if cocoa.found() and get_option('sdl').enabled()
580 error('Cocoa and SDL cannot be enabled at the same time')
582 if cocoa.found() and get_option('gtk').enabled()
583 error('Cocoa and GTK+ cannot be enabled at the same time')
586 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
587 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
588 'VMNET_BRIDGED_MODE',
591 if get_option('vmnet').enabled()
592 error('vmnet.framework API is outdated')
594 warning('vmnet.framework API is outdated, disabling')
599 if not get_option('seccomp').auto() or have_system or have_tools
600 seccomp = dependency('libseccomp', version: '>=2.3.0',
601 required: get_option('seccomp'),
602 method: 'pkg-config', kwargs: static_kwargs)
605 libcap_ng = not_found
606 if not get_option('cap_ng').auto() or have_system or have_tools
607 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
608 required: get_option('cap_ng'),
609 kwargs: static_kwargs)
611 if libcap_ng.found() and not cc.links('''
615 capng_capability_to_name(CAPNG_EFFECTIVE);
617 }''', dependencies: libcap_ng)
618 libcap_ng = not_found
619 if get_option('cap_ng').enabled()
620 error('could not link libcap-ng')
622 warning('could not link libcap-ng, disabling')
626 if get_option('xkbcommon').auto() and not have_system and not have_tools
627 xkbcommon = not_found
629 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
630 method: 'pkg-config', kwargs: static_kwargs)
634 if not get_option('vde').auto() or have_system or have_tools
635 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
636 required: get_option('vde'),
637 kwargs: static_kwargs)
639 if vde.found() and not cc.links('''
640 #include <libvdeplug.h>
643 struct vde_open_args a = {0, 0, 0};
647 }''', dependencies: vde)
649 if get_option('cap_ng').enabled()
650 error('could not link libvdeplug')
652 warning('could not link libvdeplug, disabling')
657 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
658 pulse = dependency('libpulse', required: get_option('pa'),
659 method: 'pkg-config', kwargs: static_kwargs)
662 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
663 alsa = dependency('alsa', required: get_option('alsa'),
664 method: 'pkg-config', kwargs: static_kwargs)
667 if not get_option('jack').auto() or have_system
668 jack = dependency('jack', required: get_option('jack'),
669 method: 'pkg-config', kwargs: static_kwargs)
672 spice_protocol = not_found
673 if not get_option('spice_protocol').auto() or have_system
674 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
675 required: get_option('spice_protocol'),
676 method: 'pkg-config', kwargs: static_kwargs)
679 if not get_option('spice').auto() or have_system
680 spice = dependency('spice-server', version: '>=0.12.5',
681 required: get_option('spice'),
682 method: 'pkg-config', kwargs: static_kwargs)
684 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
686 rt = cc.find_library('rt', required: false)
689 if not get_option('libiscsi').auto() or have_block
690 libiscsi = dependency('libiscsi', version: '>=1.9.0',
691 required: get_option('libiscsi'),
692 method: 'pkg-config', kwargs: static_kwargs)
695 if not get_option('zstd').auto() or have_block
696 zstd = dependency('libzstd', version: '>=1.4.0',
697 required: get_option('zstd'),
698 method: 'pkg-config', kwargs: static_kwargs)
702 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
703 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
704 virgl = dependency('virglrenderer',
705 method: 'pkg-config',
706 required: get_option('virglrenderer'),
707 kwargs: static_kwargs)
710 if not get_option('curl').auto() or have_block
711 curl = dependency('libcurl', version: '>=7.29.0',
712 method: 'pkg-config',
713 required: get_option('curl'),
714 kwargs: static_kwargs)
717 if targetos == 'linux' and (have_system or have_tools)
718 libudev = dependency('libudev',
719 method: 'pkg-config',
720 required: get_option('libudev'),
721 kwargs: static_kwargs)
724 mpathlibs = [libudev]
725 mpathpersist = not_found
726 mpathpersist_new_api = false
727 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
728 mpath_test_source_new = '''
730 #include <mpath_persist.h>
731 unsigned mpath_mx_alloc_len = 1024;
733 static struct config *multipath_conf;
734 extern struct udev *udev;
735 extern struct config *get_multipath_config(void);
736 extern void put_multipath_config(struct config *conf);
738 struct config *get_multipath_config(void) { return multipath_conf; }
739 void put_multipath_config(struct config *conf) { }
742 multipath_conf = mpath_lib_init();
745 mpath_test_source_old = '''
747 #include <mpath_persist.h>
748 unsigned mpath_mx_alloc_len = 1024;
751 struct udev *udev = udev_new();
752 mpath_lib_init(udev);
755 libmpathpersist = cc.find_library('mpathpersist',
756 required: get_option('mpath'),
757 kwargs: static_kwargs)
758 if libmpathpersist.found()
759 mpathlibs += libmpathpersist
761 mpathlibs += cc.find_library('devmapper',
762 required: get_option('mpath'),
763 kwargs: static_kwargs)
765 mpathlibs += cc.find_library('multipath',
766 required: get_option('mpath'),
767 kwargs: static_kwargs)
768 foreach lib: mpathlibs
774 if mpathlibs.length() == 0
775 msg = 'Dependencies missing for libmpathpersist'
776 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
777 mpathpersist = declare_dependency(dependencies: mpathlibs)
778 mpathpersist_new_api = true
779 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
780 mpathpersist = declare_dependency(dependencies: mpathlibs)
782 msg = 'Cannot detect libmpathpersist API'
784 if not mpathpersist.found()
785 if get_option('mpath').enabled()
788 warning(msg + ', disabling')
796 if have_system and get_option('curses').allowed()
798 #if defined(__APPLE__) || defined(__OpenBSD__)
799 #define _XOPEN_SOURCE_EXTENDED 1
806 setlocale(LC_ALL, "");
808 addwstr(L"wide chars\n");
810 add_wch(WACS_DEGREE);
814 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
815 foreach curses_dep : curses_dep_list
816 if not curses.found()
817 curses = dependency(curses_dep,
819 method: 'pkg-config',
820 kwargs: static_kwargs)
823 msg = get_option('curses').enabled() ? 'curses library not found' : ''
824 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
826 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
827 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
829 msg = 'curses package not usable'
833 if not curses.found()
834 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
835 if targetos != 'windows' and not has_curses_h
836 message('Trying with /usr/include/ncursesw')
837 curses_compile_args += ['-I/usr/include/ncursesw']
838 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
841 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
842 foreach curses_libname : curses_libname_list
843 libcurses = cc.find_library(curses_libname,
845 kwargs: static_kwargs)
847 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
848 curses = declare_dependency(compile_args: curses_compile_args,
849 dependencies: [libcurses])
852 msg = 'curses library not usable'
858 if get_option('iconv').allowed()
859 foreach link_args : [ ['-liconv'], [] ]
860 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
861 # We need to use libiconv if available because mixing libiconv's headers with
862 # the system libc does not work.
863 # However, without adding glib to the dependencies -L/usr/local/lib will not be
864 # included in the command line and libiconv will not be found.
868 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
869 return conv != (iconv_t) -1;
870 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
871 iconv = declare_dependency(link_args: link_args, dependencies: glib)
876 if curses.found() and not iconv.found()
877 if get_option('iconv').enabled()
878 error('iconv not available')
880 msg = 'iconv required for curses UI but not available'
883 if not curses.found() and msg != ''
884 if get_option('curses').enabled()
887 warning(msg + ', disabling')
893 if not get_option('brlapi').auto() or have_system
894 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
895 required: get_option('brlapi'),
896 kwargs: static_kwargs)
897 if brlapi.found() and not cc.links('''
900 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
902 if get_option('brlapi').enabled()
903 error('could not link brlapi')
905 warning('could not link brlapi, disabling')
911 if not get_option('sdl').auto() or (have_system and not cocoa.found())
912 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
913 sdl_image = not_found
916 # work around 2.0.8 bug
917 sdl = declare_dependency(compile_args: '-Wno-undef',
919 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
920 method: 'pkg-config', kwargs: static_kwargs)
922 if get_option('sdl_image').enabled()
923 error('sdl-image required, but SDL was @0@'.format(
924 get_option('sdl').disabled() ? 'disabled' : 'not found'))
926 sdl_image = not_found
930 if not get_option('rbd').auto() or have_block
931 librados = cc.find_library('rados', required: get_option('rbd'),
932 kwargs: static_kwargs)
933 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
934 required: get_option('rbd'),
935 kwargs: static_kwargs)
936 if librados.found() and librbd.found()
939 #include <rbd/librbd.h>
942 rados_create(&cluster, NULL);
943 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
947 }''', dependencies: [librbd, librados])
948 rbd = declare_dependency(dependencies: [librbd, librados])
949 elif get_option('rbd').enabled()
950 error('librbd >= 1.12.0 required')
952 warning('librbd >= 1.12.0 not found, disabling')
957 glusterfs = not_found
958 glusterfs_ftruncate_has_stat = false
959 glusterfs_iocb_has_stat = false
960 if not get_option('glusterfs').auto() or have_block
961 glusterfs = dependency('glusterfs-api', version: '>=3',
962 required: get_option('glusterfs'),
963 method: 'pkg-config', kwargs: static_kwargs)
965 glusterfs_ftruncate_has_stat = cc.links('''
966 #include <glusterfs/api/glfs.h>
971 /* new glfs_ftruncate() passes two additional args */
972 return glfs_ftruncate(NULL, 0, NULL, NULL);
974 ''', dependencies: glusterfs)
975 glusterfs_iocb_has_stat = cc.links('''
976 #include <glusterfs/api/glfs.h>
978 /* new glfs_io_cbk() passes two additional glfs_stat structs */
980 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
986 glfs_io_cbk iocb = &glusterfs_iocb;
987 iocb(NULL, 0 , NULL, NULL, NULL);
990 ''', dependencies: glusterfs)
995 if not get_option('libssh').auto() or have_block
996 libssh = dependency('libssh', version: '>=0.8.7',
997 method: 'pkg-config',
998 required: get_option('libssh'),
999 kwargs: static_kwargs)
1002 libbzip2 = not_found
1003 if not get_option('bzip2').auto() or have_block
1004 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1005 required: get_option('bzip2'),
1006 kwargs: static_kwargs)
1007 if libbzip2.found() and not cc.links('''
1009 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1010 libbzip2 = not_found
1011 if get_option('bzip2').enabled()
1012 error('could not link libbzip2')
1014 warning('could not link libbzip2, disabling')
1019 liblzfse = not_found
1020 if not get_option('lzfse').auto() or have_block
1021 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1022 required: get_option('lzfse'),
1023 kwargs: static_kwargs)
1025 if liblzfse.found() and not cc.links('''
1027 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1028 liblzfse = not_found
1029 if get_option('lzfse').enabled()
1030 error('could not link liblzfse')
1032 warning('could not link liblzfse, disabling')
1037 if get_option('oss').allowed() and have_system
1038 if not cc.has_header('sys/soundcard.h')
1040 elif targetos == 'netbsd'
1041 oss = cc.find_library('ossaudio', required: get_option('oss'),
1042 kwargs: static_kwargs)
1044 oss = declare_dependency()
1048 if get_option('oss').enabled()
1049 error('OSS not found')
1054 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1055 if cc.has_header('dsound.h')
1056 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1059 if not dsound.found()
1060 if get_option('dsound').enabled()
1061 error('DirectSound not found')
1066 coreaudio = not_found
1067 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1068 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1069 required: get_option('coreaudio'))
1073 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1074 epoxy = dependency('epoxy', method: 'pkg-config',
1075 required: get_option('opengl'), kwargs: static_kwargs)
1076 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1078 elif get_option('opengl').enabled()
1079 error('epoxy/egl.h not found')
1083 if (have_system or have_tools) and (virgl.found() or opengl.found())
1084 gbm = dependency('gbm', method: 'pkg-config', required: false,
1085 kwargs: static_kwargs)
1087 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1090 gnutls_crypto = not_found
1091 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1092 # For general TLS support our min gnutls matches
1093 # that implied by our platform support matrix
1095 # For the crypto backends, we look for a newer
1098 # Version 3.6.8 is needed to get XTS
1099 # Version 3.6.13 is needed to get PBKDF
1100 # Version 3.6.14 is needed to get HW accelerated XTS
1102 # If newer enough gnutls isn't available, we can
1103 # still use a different crypto backend to satisfy
1104 # the platform support requirements
1105 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1106 method: 'pkg-config',
1108 kwargs: static_kwargs)
1109 if gnutls_crypto.found()
1110 gnutls = gnutls_crypto
1112 # Our min version if all we need is TLS
1113 gnutls = dependency('gnutls', version: '>=3.5.18',
1114 method: 'pkg-config',
1115 required: get_option('gnutls'),
1116 kwargs: static_kwargs)
1120 # We prefer use of gnutls for crypto, unless the options
1121 # explicitly asked for nettle or gcrypt.
1123 # If gnutls isn't available for crypto, then we'll prefer
1124 # gcrypt over nettle for performance reasons.
1130 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1131 error('Only one of gcrypt & nettle can be enabled')
1134 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1135 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1136 gnutls_crypto = not_found
1139 if not gnutls_crypto.found()
1140 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1141 gcrypt = dependency('libgcrypt', version: '>=1.8',
1142 method: 'config-tool',
1143 required: get_option('gcrypt'),
1144 kwargs: static_kwargs)
1145 # Debian has removed -lgpg-error from libgcrypt-config
1146 # as it "spreads unnecessary dependencies" which in
1147 # turn breaks static builds...
1148 if gcrypt.found() and enable_static
1149 gcrypt = declare_dependency(dependencies: [
1151 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1154 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1155 nettle = dependency('nettle', version: '>=3.4',
1156 method: 'pkg-config',
1157 required: get_option('nettle'),
1158 kwargs: static_kwargs)
1159 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1165 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1166 if nettle.found() and gmp.found()
1167 hogweed = dependency('hogweed', version: '>=3.4',
1168 method: 'pkg-config',
1169 required: get_option('nettle'),
1170 kwargs: static_kwargs)
1177 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1178 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1179 method: 'pkg-config',
1180 required: get_option('gtk'),
1181 kwargs: static_kwargs)
1183 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1184 method: 'pkg-config',
1186 kwargs: static_kwargs)
1187 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1189 if not get_option('vte').auto() or have_system
1190 vte = dependency('vte-2.91',
1191 method: 'pkg-config',
1192 required: get_option('vte'),
1193 kwargs: static_kwargs)
1200 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1201 kwargs: static_kwargs)
1204 if get_option('png').allowed() and have_system
1205 png = dependency('libpng', required: get_option('png'),
1206 method: 'pkg-config', kwargs: static_kwargs)
1211 if get_option('vnc').allowed() and have_system
1212 vnc = declare_dependency() # dummy dependency
1213 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1214 method: 'pkg-config', kwargs: static_kwargs)
1215 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1216 required: get_option('vnc_sasl'),
1217 kwargs: static_kwargs)
1219 sasl = declare_dependency(dependencies: sasl,
1220 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1225 if not get_option('auth_pam').auto() or have_system
1226 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1227 required: get_option('auth_pam'),
1228 kwargs: static_kwargs)
1230 if pam.found() and not cc.links('''
1232 #include <security/pam_appl.h>
1234 const char *service_name = "qemu";
1235 const char *user = "frank";
1236 const struct pam_conv pam_conv = { 0 };
1237 pam_handle_t *pamh = NULL;
1238 pam_start(service_name, user, &pam_conv, &pamh);
1240 }''', dependencies: pam)
1242 if get_option('auth_pam').enabled()
1243 error('could not link libpam')
1245 warning('could not link libpam, disabling')
1250 if not get_option('snappy').auto() or have_system
1251 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1252 required: get_option('snappy'),
1253 kwargs: static_kwargs)
1255 if snappy.found() and not linker.links('''
1256 #include <snappy-c.h>
1257 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1259 if get_option('snappy').enabled()
1260 error('could not link libsnappy')
1262 warning('could not link libsnappy, disabling')
1267 if not get_option('lzo').auto() or have_system
1268 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1269 required: get_option('lzo'),
1270 kwargs: static_kwargs)
1272 if lzo.found() and not cc.links('''
1273 #include <lzo/lzo1x.h>
1274 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1276 if get_option('lzo').enabled()
1277 error('could not link liblzo2')
1279 warning('could not link liblzo2, disabling')
1284 if not get_option('numa').auto() or have_system or have_tools
1285 numa = cc.find_library('numa', has_headers: ['numa.h'],
1286 required: get_option('numa'),
1287 kwargs: static_kwargs)
1289 if numa.found() and not cc.links('''
1291 int main(void) { return numa_available(); }
1292 ''', dependencies: numa)
1294 if get_option('numa').enabled()
1295 error('could not link numa')
1297 warning('could not link numa, disabling')
1302 if not get_option('rdma').auto() or have_system
1303 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1304 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1305 required: get_option('rdma'),
1306 kwargs: static_kwargs),
1307 cc.find_library('ibverbs', required: get_option('rdma'),
1308 kwargs: static_kwargs),
1310 rdma = declare_dependency(dependencies: rdma_libs)
1311 foreach lib: rdma_libs
1319 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1320 xencontrol = dependency('xencontrol', required: false,
1321 method: 'pkg-config', kwargs: static_kwargs)
1322 if xencontrol.found()
1323 xen_pc = declare_dependency(version: xencontrol.version(),
1326 # disabler: true makes xen_pc.found() return false if any is not found
1327 dependency('xenstore', required: false,
1328 method: 'pkg-config', kwargs: static_kwargs,
1330 dependency('xenforeignmemory', required: false,
1331 method: 'pkg-config', kwargs: static_kwargs,
1333 dependency('xengnttab', required: false,
1334 method: 'pkg-config', kwargs: static_kwargs,
1336 dependency('xenevtchn', required: false,
1337 method: 'pkg-config', kwargs: static_kwargs,
1339 dependency('xendevicemodel', required: false,
1340 method: 'pkg-config', kwargs: static_kwargs,
1342 # optional, no "disabler: true"
1343 dependency('xentoolcore', required: false,
1344 method: 'pkg-config', kwargs: static_kwargs)])
1350 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' ]
1352 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1353 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1354 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1355 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1356 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1357 '4.6.0': [ 'xenstore', 'xenctrl' ],
1358 '4.5.0': [ 'xenstore', 'xenctrl' ],
1359 '4.2.0': [ 'xenstore', 'xenctrl' ],
1362 foreach ver: xen_tests
1363 # cache the various library tests to avoid polluting the logs
1365 foreach l: xen_libs[ver]
1366 if l not in xen_deps
1367 xen_deps += { l: cc.find_library(l, required: false) }
1369 xen_test_deps += xen_deps[l]
1372 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1373 xen_version = ver.split('.')
1374 xen_ctrl_version = xen_version[0] + \
1375 ('0' + xen_version[1]).substring(-2) + \
1376 ('0' + xen_version[2]).substring(-2)
1377 if cc.links(files('scripts/xen-detect.c'),
1378 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1379 dependencies: xen_test_deps)
1380 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1386 accelerators += 'CONFIG_XEN'
1387 elif get_option('xen').enabled()
1388 error('could not compile and link Xen test program')
1391 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1392 .require(xen.found(),
1393 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1394 .require(targetos == 'linux',
1395 error_message: 'Xen PCI passthrough not available on this platform') \
1400 if not get_option('smartcard').auto() or have_system
1401 cacard = dependency('libcacard', required: get_option('smartcard'),
1402 version: '>=2.5.1', method: 'pkg-config',
1403 kwargs: static_kwargs)
1407 u2f = dependency('u2f-emu', required: get_option('u2f'),
1408 method: 'pkg-config',
1409 kwargs: static_kwargs)
1413 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1414 method: 'pkg-config',
1415 kwargs: static_kwargs)
1417 usbredir = not_found
1418 if not get_option('usb_redir').auto() or have_system
1419 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1420 version: '>=0.6', method: 'pkg-config',
1421 kwargs: static_kwargs)
1424 if not get_option('libusb').auto() or have_system
1425 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1426 version: '>=1.0.13', method: 'pkg-config',
1427 kwargs: static_kwargs)
1431 if not get_option('libpmem').auto() or have_system
1432 libpmem = dependency('libpmem', required: get_option('libpmem'),
1433 method: 'pkg-config', kwargs: static_kwargs)
1435 libdaxctl = not_found
1436 if not get_option('libdaxctl').auto() or have_system
1437 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1438 version: '>=57', method: 'pkg-config',
1439 kwargs: static_kwargs)
1443 tasn1 = dependency('libtasn1',
1444 method: 'pkg-config',
1445 kwargs: static_kwargs)
1447 keyutils = dependency('libkeyutils', required: false,
1448 method: 'pkg-config', kwargs: static_kwargs)
1450 has_gettid = cc.has_function('gettid')
1453 selinux = dependency('libselinux',
1454 required: get_option('selinux'),
1455 method: 'pkg-config', kwargs: static_kwargs)
1460 if get_option('malloc') == 'system'
1462 get_option('malloc_trim').allowed() and \
1463 cc.links('''#include <malloc.h>
1464 int main(void) { malloc_trim(0); return 0; }''')
1466 has_malloc_trim = false
1467 malloc = cc.find_library(get_option('malloc'), required: true)
1469 if not has_malloc_trim and get_option('malloc_trim').enabled()
1470 if get_option('malloc') == 'system'
1471 error('malloc_trim not available on this platform.')
1473 error('malloc_trim not available with non-libc memory allocator')
1477 # Check whether the glibc provides statx()
1479 gnu_source_prefix = '''
1484 statx_test = gnu_source_prefix + '''
1485 #include <sys/stat.h>
1487 struct statx statxbuf;
1488 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1492 has_statx = cc.links(statx_test)
1494 # Check whether statx() provides mount ID information
1496 statx_mnt_id_test = gnu_source_prefix + '''
1497 #include <sys/stat.h>
1499 struct statx statxbuf;
1500 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1501 return statxbuf.stx_mnt_id;
1504 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1506 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1507 .require(targetos == 'linux',
1508 error_message: 'vhost_user_blk_server requires linux') \
1509 .require(have_vhost_user,
1510 error_message: 'vhost_user_blk_server requires vhost-user support') \
1511 .disable_auto_if(not have_system) \
1514 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1515 error('Cannot enable fuse-lseek while fuse is disabled')
1518 fuse = dependency('fuse3', required: get_option('fuse'),
1519 version: '>=3.1', method: 'pkg-config',
1520 kwargs: static_kwargs)
1522 fuse_lseek = not_found
1523 if get_option('fuse_lseek').allowed()
1524 if fuse.version().version_compare('>=3.8')
1526 fuse_lseek = declare_dependency()
1527 elif get_option('fuse_lseek').enabled()
1529 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1531 error('fuse-lseek requires libfuse, which was not found')
1537 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1538 if libbpf.found() and not cc.links('''
1539 #include <bpf/libbpf.h>
1542 bpf_object__destroy_skeleton(NULL);
1544 }''', dependencies: libbpf)
1546 if get_option('bpf').enabled()
1547 error('libbpf skeleton test failed')
1549 warning('libbpf skeleton test failed, disabling')
1557 audio_drivers_selected = []
1559 audio_drivers_available = {
1560 'alsa': alsa.found(),
1561 'coreaudio': coreaudio.found(),
1562 'dsound': dsound.found(),
1563 'jack': jack.found(),
1565 'pa': pulse.found(),
1568 foreach k, v: audio_drivers_available
1569 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1572 # Default to native drivers first, OSS second, SDL third
1573 audio_drivers_priority = \
1574 [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1575 (targetos == 'linux' ? [] : [ 'sdl' ])
1576 audio_drivers_default = []
1577 foreach k: audio_drivers_priority
1578 if audio_drivers_available[k]
1579 audio_drivers_default += k
1583 foreach k: get_option('audio_drv_list')
1585 audio_drivers_selected += audio_drivers_default
1586 elif not audio_drivers_available[k]
1587 error('Audio driver "@0@" not available.'.format(k))
1589 audio_drivers_selected += k
1593 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1594 '"' + '", "'.join(audio_drivers_selected) + '", ')
1596 if get_option('cfi')
1598 # Check for dependency on LTO
1599 if not get_option('b_lto')
1600 error('Selected Control-Flow Integrity but LTO is disabled')
1602 if config_host.has_key('CONFIG_MODULES')
1603 error('Selected Control-Flow Integrity is not compatible with modules')
1605 # Check for cfi flags. CFI requires LTO so we can't use
1606 # get_supported_arguments, but need a more complex "compiles" which allows
1608 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1609 args: ['-flto', '-fsanitize=cfi-icall'] )
1610 cfi_flags += '-fsanitize=cfi-icall'
1612 error('-fsanitize=cfi-icall is not supported by the compiler')
1614 if cc.compiles('int main () { return 0; }',
1615 name: '-fsanitize-cfi-icall-generalize-pointers',
1616 args: ['-flto', '-fsanitize=cfi-icall',
1617 '-fsanitize-cfi-icall-generalize-pointers'] )
1618 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1620 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1622 if get_option('cfi_debug')
1623 if cc.compiles('int main () { return 0; }',
1624 name: '-fno-sanitize-trap=cfi-icall',
1625 args: ['-flto', '-fsanitize=cfi-icall',
1626 '-fno-sanitize-trap=cfi-icall'] )
1627 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1629 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1632 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1633 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1636 have_host_block_device = (targetos != 'darwin' or
1637 cc.has_header('IOKit/storage/IOMedia.h'))
1639 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1640 dbus_display = get_option('dbus_display') \
1641 .require(gio.version().version_compare('>=2.64'),
1642 error_message: '-display dbus requires glib>=2.64') \
1643 .require(enable_modules,
1644 error_message: '-display dbus requires --enable-modules') \
1645 .require(gdbus_codegen.found(),
1646 error_message: '-display dbus requires gdbus-codegen') \
1649 have_virtfs = get_option('virtfs') \
1650 .require(targetos == 'linux' or targetos == 'darwin',
1651 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1652 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1653 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1654 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1655 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1656 .disable_auto_if(not have_tools and not have_system) \
1659 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1661 if get_option('block_drv_ro_whitelist') == ''
1662 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1664 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1665 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1667 if get_option('block_drv_rw_whitelist') == ''
1668 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1670 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1671 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1674 foreach k : get_option('trace_backends')
1675 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1677 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1678 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1680 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1682 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1683 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1684 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1685 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1686 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1687 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1688 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1689 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1690 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1691 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1692 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1693 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1695 if config_host.has_key('CONFIG_MODULES')
1696 config_host_data.set('CONFIG_STAMP', run_command(
1697 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1698 meson.project_version(), get_option('pkgversion'), '--',
1699 meson.current_source_dir() / 'configure',
1700 capture: true, check: true).stdout().strip())
1703 have_slirp_smbd = get_option('slirp_smbd') \
1704 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1707 smbd_path = get_option('smbd')
1709 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1711 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1714 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1716 if get_option('module_upgrades') and not enable_modules
1717 error('Cannot enable module-upgrades as modules are not enabled')
1719 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1721 config_host_data.set('CONFIG_ATTR', libattr.found())
1722 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1723 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1724 config_host_data.set('CONFIG_COCOA', cocoa.found())
1725 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1726 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1727 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1728 config_host_data.set('CONFIG_LZO', lzo.found())
1729 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1730 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1731 config_host_data.set('CONFIG_CURL', curl.found())
1732 config_host_data.set('CONFIG_CURSES', curses.found())
1733 config_host_data.set('CONFIG_GBM', gbm.found())
1734 config_host_data.set('CONFIG_GIO', gio.found())
1735 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1736 if glusterfs.found()
1737 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1738 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1739 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1740 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1741 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1742 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1744 config_host_data.set('CONFIG_GTK', gtk.found())
1745 config_host_data.set('CONFIG_VTE', vte.found())
1746 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1747 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1748 config_host_data.set('CONFIG_EBPF', libbpf.found())
1749 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1750 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1751 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1752 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1753 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1754 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1755 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1756 config_host_data.set('CONFIG_NUMA', numa.found())
1757 config_host_data.set('CONFIG_OPENGL', opengl.found())
1758 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1759 config_host_data.set('CONFIG_RBD', rbd.found())
1760 config_host_data.set('CONFIG_RDMA', rdma.found())
1761 config_host_data.set('CONFIG_SDL', sdl.found())
1762 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1763 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1764 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1765 config_host_data.set('CONFIG_TPM', have_tpm)
1766 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1767 config_host_data.set('CONFIG_VDE', vde.found())
1768 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1769 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1770 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1771 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1772 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1773 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1774 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1775 config_host_data.set('CONFIG_VMNET', vmnet.found())
1776 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1777 config_host_data.set('CONFIG_PNG', png.found())
1778 config_host_data.set('CONFIG_VNC', vnc.found())
1779 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1780 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1781 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1782 config_host_data.set('CONFIG_VTE', vte.found())
1783 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1784 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1785 config_host_data.set('CONFIG_GETTID', has_gettid)
1786 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1787 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1788 config_host_data.set('CONFIG_TASN1', tasn1.found())
1789 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1790 config_host_data.set('CONFIG_NETTLE', nettle.found())
1791 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1792 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1793 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1794 config_host_data.set('CONFIG_STATX', has_statx)
1795 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1796 config_host_data.set('CONFIG_ZSTD', zstd.found())
1797 config_host_data.set('CONFIG_FUSE', fuse.found())
1798 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1799 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1800 if spice_protocol.found()
1801 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1802 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1803 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1805 config_host_data.set('CONFIG_SPICE', spice.found())
1806 config_host_data.set('CONFIG_X11', x11.found())
1807 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1808 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1809 config_host_data.set('CONFIG_SELINUX', selinux.found())
1810 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1812 # protect from xen.version() having less than three components
1813 xen_version = xen.version().split('.') + ['0', '0']
1814 xen_ctrl_version = xen_version[0] + \
1815 ('0' + xen_version[1]).substring(-2) + \
1816 ('0' + xen_version[2]).substring(-2)
1817 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1819 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1820 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1821 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1822 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1824 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1825 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1827 have_coroutine_pool = get_option('coroutine_pool')
1828 if get_option('debug_stack_usage') and have_coroutine_pool
1829 message('Disabling coroutine pool to measure stack usage')
1830 have_coroutine_pool = false
1832 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1833 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1834 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1835 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1836 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1837 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1838 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1841 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1842 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1843 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1844 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1845 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1846 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1847 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1848 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1849 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1852 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1853 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1854 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1855 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1856 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1857 # Note that we need to specify prefix: here to avoid incorrectly
1858 # thinking that Windows has posix_memalign()
1859 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1860 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1861 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1862 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1863 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1864 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1865 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1866 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1867 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1868 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1869 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1870 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1871 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1872 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1873 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1874 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1875 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1877 config_host_data.set('HAVE_IBV_ADVISE_MR',
1878 cc.has_function('ibv_advise_mr',
1880 prefix: '#include <infiniband/verbs.h>'))
1884 config_host_data.set('CONFIG_BYTESWAP_H',
1885 cc.has_header_symbol('byteswap.h', 'bswap_32'))
1886 config_host_data.set('CONFIG_EPOLL_CREATE1',
1887 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1888 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1889 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1890 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1891 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1892 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1893 config_host_data.set('CONFIG_FIEMAP',
1894 cc.has_header('linux/fiemap.h') and
1895 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1896 config_host_data.set('CONFIG_GETRANDOM',
1897 cc.has_function('getrandom') and
1898 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1899 config_host_data.set('CONFIG_INOTIFY',
1900 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1901 config_host_data.set('CONFIG_INOTIFY1',
1902 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1903 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1904 cc.has_header_symbol('machine/bswap.h', 'bswap32',
1905 prefix: '''#include <sys/endian.h>
1906 #include <sys/types.h>'''))
1907 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1908 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1909 config_host_data.set('CONFIG_RTNETLINK',
1910 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1911 config_host_data.set('CONFIG_SYSMACROS',
1912 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1913 config_host_data.set('HAVE_OPTRESET',
1914 cc.has_header_symbol('getopt.h', 'optreset'))
1915 config_host_data.set('HAVE_IPPROTO_MPTCP',
1916 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1919 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1920 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1921 prefix: '#include <signal.h>'))
1922 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1923 cc.has_member('struct stat', 'st_atim',
1924 prefix: '#include <sys/stat.h>'))
1927 config_host_data.set('CONFIG_IOVEC',
1928 cc.has_type('struct iovec',
1929 prefix: '#include <sys/uio.h>'))
1930 config_host_data.set('HAVE_UTMPX',
1931 cc.has_type('struct utmpx',
1932 prefix: '#include <utmpx.h>'))
1934 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1935 #include <sys/eventfd.h>
1936 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1937 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1940 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1941 return fdatasync(0);
1943 #error Not supported
1947 has_madvise = cc.links(gnu_source_prefix + '''
1948 #include <sys/types.h>
1949 #include <sys/mman.h>
1951 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1952 missing_madvise_proto = false
1954 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1955 # but forget to prototype it. In this case, has_madvise will be true (the
1956 # test program links despite a compile warning). To detect the
1957 # missing-prototype case, we try again with a definitely-bogus prototype.
1958 # This will only compile if the system headers don't provide the prototype;
1959 # otherwise the conflicting prototypes will cause a compiler error.
1960 missing_madvise_proto = cc.links(gnu_source_prefix + '''
1961 #include <sys/types.h>
1962 #include <sys/mman.h>
1964 extern int madvise(int);
1965 int main(void) { return madvise(0); }''')
1967 config_host_data.set('CONFIG_MADVISE', has_madvise)
1968 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1970 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1971 #include <sys/mman.h>
1972 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1973 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1975 #if !defined(AT_EMPTY_PATH)
1976 # error missing definition
1978 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1980 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1987 return pipe2(pipefd, O_CLOEXEC);
1989 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1990 #include <sys/mman.h>
1992 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1994 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1995 #include <pthread.h>
1997 static void *f(void *p) { return NULL; }
2001 pthread_create(&thread, 0, f, 0);
2002 pthread_setname_np(thread, "QEMU");
2004 }''', dependencies: threads))
2005 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2006 #include <pthread.h>
2008 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2012 pthread_create(&thread, 0, f, 0);
2014 }''', dependencies: threads))
2015 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2016 #include <pthread.h>
2021 pthread_condattr_t attr
2022 pthread_condattr_init(&attr);
2023 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2025 }''', dependencies: threads))
2027 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2028 #include <sys/signalfd.h>
2030 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2031 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2039 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2040 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2044 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2045 #include <sys/mman.h>
2046 int main(int argc, char *argv[]) {
2047 return mlockall(MCL_FUTURE);
2051 if get_option('l2tpv3').allowed() and have_system
2052 have_l2tpv3 = cc.has_type('struct mmsghdr',
2053 prefix: gnu_source_prefix + '''
2054 #include <sys/socket.h>
2055 #include <linux/ip.h>''')
2057 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2060 if get_option('netmap').allowed() and have_system
2061 have_netmap = cc.compiles('''
2062 #include <inttypes.h>
2064 #include <net/netmap.h>
2065 #include <net/netmap_user.h>
2066 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2069 int main(void) { return 0; }''')
2070 if not have_netmap and get_option('netmap').enabled()
2071 error('Netmap headers not available')
2074 config_host_data.set('CONFIG_NETMAP', have_netmap)
2076 # Work around a system header bug with some kernel/XFS header
2077 # versions where they both try to define 'struct fsxattr':
2078 # xfs headers will not try to redefine structs from linux headers
2079 # if this macro is set.
2080 config_host_data.set('HAVE_FSXATTR', cc.links('''
2081 #include <linux/fs.h>
2087 # Some versions of Mac OS X incorrectly define SIZE_MAX
2088 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2091 int main(int argc, char *argv[]) {
2092 return printf("%zu", SIZE_MAX);
2093 }''', args: ['-Werror']))
2100 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2101 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2102 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2103 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2104 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2108 # See if 64-bit atomic operations are supported.
2109 # Note that without __atomic builtins, we can only
2110 # assume atomic loads/stores max at pointer size.
2111 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2113 has_int128 = cc.links('''
2123 config_host_data.set('CONFIG_INT128', has_int128)
2126 # "do we have 128-bit atomics which are handled inline and specifically not
2127 # via libatomic". The reason we can't use libatomic is documented in the
2128 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2129 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2131 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2133 if not has_atomic128
2134 has_cmpxchg128 = cc.links('''
2137 unsigned __int128 x = 0, y = 0;
2138 __sync_val_compare_and_swap_16(&x, y, x);
2143 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2147 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2148 #include <sys/auxv.h>
2150 return getauxval(AT_HWCAP) == 0;
2153 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2154 #include <linux/usbdevice_fs.h>
2156 #ifndef USBDEVFS_GET_CAPABILITIES
2157 #error "USBDEVFS_GET_CAPABILITIES undefined"
2160 #ifndef USBDEVFS_DISCONNECT_CLAIM
2161 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2164 int main(void) { return 0; }'''))
2166 have_keyring = get_option('keyring') \
2167 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2168 .require(cc.compiles('''
2170 #include <asm/unistd.h>
2171 #include <linux/keyctl.h>
2172 #include <sys/syscall.h>
2175 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2176 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2177 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2179 have_cpuid_h = cc.links('''
2182 unsigned a, b, c, d;
2183 unsigned max = __get_cpuid_max(0, 0);
2186 __cpuid(1, a, b, c, d);
2190 __cpuid_count(7, 0, a, b, c, d);
2195 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2197 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2198 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2199 .require(cc.links('''
2200 #pragma GCC push_options
2201 #pragma GCC target("avx2")
2203 #include <immintrin.h>
2204 static int bar(void *a) {
2205 __m256i x = *(__m256i *)a;
2206 return _mm256_testz_si256(x, x);
2208 int main(int argc, char *argv[]) { return bar(argv[0]); }
2209 '''), error_message: 'AVX2 not available').allowed())
2211 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2212 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2213 .require(cc.links('''
2214 #pragma GCC push_options
2215 #pragma GCC target("avx512f")
2217 #include <immintrin.h>
2218 static int bar(void *a) {
2219 __m512i x = *(__m512i *)a;
2220 return _mm512_test_epi64_mask(x, x);
2222 int main(int argc, char *argv[]) { return bar(argv[0]); }
2223 '''), error_message: 'AVX512F not available').allowed())
2225 have_pvrdma = get_option('pvrdma') \
2226 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2227 .require(cc.compiles(gnu_source_prefix + '''
2228 #include <sys/mman.h>
2233 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2236 }'''), error_message: 'PVRDMA requires mremap').allowed()
2239 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2240 #include <infiniband/verbs.h>
2244 struct ibv_pd *pd = NULL;
2250 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2256 if get_option('membarrier').disabled()
2257 have_membarrier = false
2258 elif targetos == 'windows'
2259 have_membarrier = true
2260 elif targetos == 'linux'
2261 have_membarrier = cc.compiles('''
2262 #include <linux/membarrier.h>
2263 #include <sys/syscall.h>
2267 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2268 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2272 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2273 .require(have_membarrier, error_message: 'membarrier system call not available') \
2276 have_afalg = get_option('crypto_afalg') \
2277 .require(cc.compiles(gnu_source_prefix + '''
2279 #include <sys/types.h>
2280 #include <sys/socket.h>
2281 #include <linux/if_alg.h>
2284 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2287 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2288 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2290 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2291 'linux/vm_sockets.h', 'AF_VSOCK',
2292 prefix: '#include <sys/socket.h>',
2296 have_vss_sdk = false # old xp/2003 SDK
2297 if targetos == 'windows' and link_language == 'cpp'
2298 have_vss = cxx.compiles('''
2299 #define __MIDL_user_allocate_free_DEFINED__
2301 int main(void) { return VSS_CTX_BACKUP; }''')
2302 have_vss_sdk = cxx.has_header('vscoordint.h')
2304 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2306 foreach k, v: config_host
2307 if k.startswith('CONFIG_')
2308 config_host_data.set(k, v == 'y' ? 1 : v)
2312 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2313 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2314 if targetos == 'windows'
2315 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2321 }''', name: '_lock_file and _unlock_file'))
2324 ########################
2325 # Target configuration #
2326 ########################
2328 minikconf = find_program('scripts/minikconf.py')
2330 config_all_devices = {}
2331 config_all_disas = {}
2332 config_devices_mak_list = []
2333 config_devices_h = {}
2334 config_target_h = {}
2335 config_target_mak = {}
2338 'alpha' : ['CONFIG_ALPHA_DIS'],
2339 'arm' : ['CONFIG_ARM_DIS'],
2340 'avr' : ['CONFIG_AVR_DIS'],
2341 'cris' : ['CONFIG_CRIS_DIS'],
2342 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2343 'hppa' : ['CONFIG_HPPA_DIS'],
2344 'i386' : ['CONFIG_I386_DIS'],
2345 'x86_64' : ['CONFIG_I386_DIS'],
2346 'm68k' : ['CONFIG_M68K_DIS'],
2347 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2348 'mips' : ['CONFIG_MIPS_DIS'],
2349 'nios2' : ['CONFIG_NIOS2_DIS'],
2350 'or1k' : ['CONFIG_OPENRISC_DIS'],
2351 'ppc' : ['CONFIG_PPC_DIS'],
2352 'riscv' : ['CONFIG_RISCV_DIS'],
2353 'rx' : ['CONFIG_RX_DIS'],
2354 's390' : ['CONFIG_S390_DIS'],
2355 'sh4' : ['CONFIG_SH4_DIS'],
2356 'sparc' : ['CONFIG_SPARC_DIS'],
2357 'xtensa' : ['CONFIG_XTENSA_DIS'],
2358 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2360 if link_language == 'cpp'
2362 'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2363 'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2364 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2368 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2370 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2371 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2372 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2373 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2374 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2375 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2376 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2377 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2378 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2379 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2380 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2381 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2382 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2384 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2386 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2387 actual_target_dirs = []
2389 foreach target : target_dirs
2390 config_target = { 'TARGET_NAME': target.split('-')[0] }
2391 if target.endswith('linux-user')
2392 if targetos != 'linux'
2396 error('Target @0@ is only available on a Linux host'.format(target))
2398 config_target += { 'CONFIG_LINUX_USER': 'y' }
2399 elif target.endswith('bsd-user')
2400 if 'CONFIG_BSD' not in config_host
2404 error('Target @0@ is only available on a BSD host'.format(target))
2406 config_target += { 'CONFIG_BSD_USER': 'y' }
2407 elif target.endswith('softmmu')
2408 config_target += { 'CONFIG_SOFTMMU': 'y' }
2410 if target.endswith('-user')
2412 'CONFIG_USER_ONLY': 'y',
2413 'CONFIG_QEMU_INTERP_PREFIX':
2414 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2419 foreach sym: accelerators
2420 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2421 config_target += { sym: 'y' }
2422 config_all += { sym: 'y' }
2423 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2424 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2426 if target in modular_tcg
2427 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2429 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2431 accel_kconfig += [ sym + '=y' ]
2434 if accel_kconfig.length() == 0
2438 error('No accelerator available for target @0@'.format(target))
2441 actual_target_dirs += target
2442 config_target += keyval.load('configs/targets' / target + '.mak')
2443 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2445 if 'TARGET_NEED_FDT' in config_target
2446 fdt_required += target
2450 if 'TARGET_BASE_ARCH' not in config_target
2451 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2453 if 'TARGET_ABI_DIR' not in config_target
2454 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2456 if 'TARGET_BIG_ENDIAN' not in config_target
2457 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2460 foreach k, v: disassemblers
2461 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2463 config_target += { sym: 'y' }
2464 config_all_disas += { sym: 'y' }
2469 config_target_data = configuration_data()
2470 foreach k, v: config_target
2471 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2473 elif ignored.contains(k)
2475 elif k == 'TARGET_BASE_ARCH'
2476 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2477 # not used to select files from sourcesets.
2478 config_target_data.set('TARGET_' + v.to_upper(), 1)
2479 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2480 config_target_data.set_quoted(k, v)
2482 config_target_data.set(k, 1)
2484 config_target_data.set(k, 0)
2486 config_target_data.set(k, v)
2489 config_target_data.set('QEMU_ARCH',
2490 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2491 config_target_h += {target: configure_file(output: target + '-config-target.h',
2492 configuration: config_target_data)}
2494 if target.endswith('-softmmu')
2495 config_input = meson.get_external_property(target, 'default')
2496 config_devices_mak = target + '-config-devices.mak'
2497 config_devices_mak = configure_file(
2498 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2499 output: config_devices_mak,
2500 depfile: config_devices_mak + '.d',
2502 command: [minikconf,
2503 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2504 config_devices_mak, '@DEPFILE@', '@INPUT@',
2505 host_kconfig, accel_kconfig,
2506 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2508 config_devices_data = configuration_data()
2509 config_devices = keyval.load(config_devices_mak)
2510 foreach k, v: config_devices
2511 config_devices_data.set(k, 1)
2513 config_devices_mak_list += config_devices_mak
2514 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2515 configuration: config_devices_data)}
2516 config_target += config_devices
2517 config_all_devices += config_devices
2519 config_target_mak += {target: config_target}
2521 target_dirs = actual_target_dirs
2523 # This configuration is used to build files that are shared by
2524 # multiple binaries, and then extracted out of the "common"
2525 # static_library target.
2527 # We do not use all_sources()/all_dependencies(), because it would
2528 # build literally all source files, including devices only used by
2529 # targets that are not built for this compilation. The CONFIG_ALL
2530 # pseudo symbol replaces it.
2532 config_all += config_all_devices
2533 config_all += config_host
2534 config_all += config_all_disas
2536 'CONFIG_XEN': xen.found(),
2537 'CONFIG_SOFTMMU': have_system,
2538 'CONFIG_USER_ONLY': have_user,
2542 target_configs_h = []
2543 foreach target: target_dirs
2544 target_configs_h += config_target_h[target]
2545 target_configs_h += config_devices_h.get(target, [])
2547 genh += custom_target('config-poison.h',
2548 input: [target_configs_h],
2549 output: 'config-poison.h',
2551 command: [find_program('scripts/make-config-poison.sh'),
2558 capstone = not_found
2559 if not get_option('capstone').auto() or have_system or have_user
2560 capstone = dependency('capstone', version: '>=3.0.5',
2561 kwargs: static_kwargs, method: 'pkg-config',
2562 required: get_option('capstone'))
2564 # Some versions of capstone have broken pkg-config file
2565 # that reports a wrong -I path, causing the #include to
2566 # fail later. If the system has such a broken version
2568 if capstone.found() and not cc.compiles('#include <capstone.h>',
2569 dependencies: [capstone])
2570 capstone = not_found
2571 if get_option('capstone').enabled()
2572 error('capstone requested, but it does not appear to work')
2578 slirp_opt = 'disabled'
2580 slirp_opt = get_option('slirp')
2581 if slirp_opt in ['enabled', 'auto', 'system']
2582 have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2583 slirp_dep_required = (slirp_opt == 'system' or
2584 slirp_opt == 'enabled' and not have_internal)
2585 slirp = dependency('slirp', kwargs: static_kwargs,
2586 method: 'pkg-config', version: '>=4.1.0',
2587 required: slirp_dep_required)
2588 # slirp <4.7 is incompatible with CFI support in QEMU. This is because
2589 # it passes function pointers within libslirp as callbacks for timers.
2590 # When using a system-wide shared libslirp, the type information for the
2591 # callback is missing and the timer call produces a false positive with CFI.
2592 # Do not use the "version" keyword argument to produce a better error.
2593 # with control-flow integrity.
2594 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2595 if slirp_dep_required
2596 error('Control-Flow Integrity requires libslirp 4.7.')
2598 warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2603 slirp_opt = 'system'
2605 slirp_opt = 'internal'
2607 slirp_opt = 'disabled'
2610 if slirp_opt == 'internal'
2612 if targetos == 'windows'
2613 slirp_deps = cc.find_library('iphlpapi')
2614 elif targetos == 'darwin'
2615 slirp_deps = cc.find_library('resolv')
2617 slirp_conf = configuration_data()
2618 slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2619 slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2620 slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2621 slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2622 slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2624 'slirp/src/arp_table.c',
2625 'slirp/src/bootp.c',
2626 'slirp/src/cksum.c',
2627 'slirp/src/dhcpv6.c',
2628 'slirp/src/dnssearch.c',
2630 'slirp/src/ip6_icmp.c',
2631 'slirp/src/ip6_input.c',
2632 'slirp/src/ip6_output.c',
2633 'slirp/src/ip_icmp.c',
2634 'slirp/src/ip_input.c',
2635 'slirp/src/ip_output.c',
2639 'slirp/src/ndp_table.c',
2641 'slirp/src/slirp.c',
2642 'slirp/src/socket.c',
2643 'slirp/src/state.c',
2644 'slirp/src/stream.c',
2645 'slirp/src/tcp_input.c',
2646 'slirp/src/tcp_output.c',
2647 'slirp/src/tcp_subr.c',
2648 'slirp/src/tcp_timer.c',
2653 'slirp/src/version.c',
2654 'slirp/src/vmstate.c',
2658 input : 'slirp/src/libslirp-version.h.in',
2659 output : 'libslirp-version.h',
2660 configuration: slirp_conf)
2662 slirp_inc = include_directories('slirp', 'slirp/src')
2663 libslirp = static_library('slirp',
2664 build_by_default: false,
2665 sources: slirp_files,
2666 c_args: slirp_cargs,
2667 include_directories: slirp_inc)
2668 slirp = declare_dependency(link_with: libslirp,
2669 dependencies: slirp_deps,
2670 include_directories: slirp_inc)
2676 fdt_opt = get_option('fdt')
2677 if fdt_opt in ['enabled', 'auto', 'system']
2678 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2679 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2680 required: fdt_opt == 'system' or
2681 fdt_opt == 'enabled' and not have_internal)
2682 if fdt.found() and cc.links('''
2684 #include <libfdt_env.h>
2685 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2688 elif fdt_opt == 'system'
2689 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2691 fdt_opt = 'internal'
2693 fdt_opt = 'disabled'
2697 if fdt_opt == 'internal'
2700 'dtc/libfdt/fdt_ro.c',
2701 'dtc/libfdt/fdt_wip.c',
2702 'dtc/libfdt/fdt_sw.c',
2703 'dtc/libfdt/fdt_rw.c',
2704 'dtc/libfdt/fdt_strerror.c',
2705 'dtc/libfdt/fdt_empty_tree.c',
2706 'dtc/libfdt/fdt_addresses.c',
2707 'dtc/libfdt/fdt_overlay.c',
2708 'dtc/libfdt/fdt_check.c',
2711 fdt_inc = include_directories('dtc/libfdt')
2712 libfdt = static_library('fdt',
2713 build_by_default: false,
2715 include_directories: fdt_inc)
2716 fdt = declare_dependency(link_with: libfdt,
2717 include_directories: fdt_inc)
2720 fdt_opt = 'disabled'
2722 if not fdt.found() and fdt_required.length() > 0
2723 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2726 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2727 config_host_data.set('CONFIG_FDT', fdt.found())
2728 config_host_data.set('CONFIG_SLIRP', slirp.found())
2730 #####################
2731 # Generated sources #
2732 #####################
2734 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2736 hxtool = find_program('scripts/hxtool')
2737 shaderinclude = find_program('scripts/shaderinclude.pl')
2738 qapi_gen = find_program('scripts/qapi-gen.py')
2739 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2740 meson.current_source_dir() / 'scripts/qapi/commands.py',
2741 meson.current_source_dir() / 'scripts/qapi/common.py',
2742 meson.current_source_dir() / 'scripts/qapi/error.py',
2743 meson.current_source_dir() / 'scripts/qapi/events.py',
2744 meson.current_source_dir() / 'scripts/qapi/expr.py',
2745 meson.current_source_dir() / 'scripts/qapi/gen.py',
2746 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2747 meson.current_source_dir() / 'scripts/qapi/parser.py',
2748 meson.current_source_dir() / 'scripts/qapi/schema.py',
2749 meson.current_source_dir() / 'scripts/qapi/source.py',
2750 meson.current_source_dir() / 'scripts/qapi/types.py',
2751 meson.current_source_dir() / 'scripts/qapi/visit.py',
2752 meson.current_source_dir() / 'scripts/qapi/common.py',
2753 meson.current_source_dir() / 'scripts/qapi-gen.py'
2757 python, files('scripts/tracetool.py'),
2758 '--backend=' + ','.join(get_option('trace_backends'))
2760 tracetool_depends = files(
2761 'scripts/tracetool/backend/log.py',
2762 'scripts/tracetool/backend/__init__.py',
2763 'scripts/tracetool/backend/dtrace.py',
2764 'scripts/tracetool/backend/ftrace.py',
2765 'scripts/tracetool/backend/simple.py',
2766 'scripts/tracetool/backend/syslog.py',
2767 'scripts/tracetool/backend/ust.py',
2768 'scripts/tracetool/format/ust_events_c.py',
2769 'scripts/tracetool/format/ust_events_h.py',
2770 'scripts/tracetool/format/__init__.py',
2771 'scripts/tracetool/format/d.py',
2772 'scripts/tracetool/format/simpletrace_stap.py',
2773 'scripts/tracetool/format/c.py',
2774 'scripts/tracetool/format/h.py',
2775 'scripts/tracetool/format/log_stap.py',
2776 'scripts/tracetool/format/stap.py',
2777 'scripts/tracetool/__init__.py',
2778 'scripts/tracetool/transform.py',
2779 'scripts/tracetool/vcpu.py'
2782 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2783 meson.current_source_dir(),
2784 get_option('pkgversion'), meson.project_version()]
2785 qemu_version = custom_target('qemu-version.h',
2786 output: 'qemu-version.h',
2787 command: qemu_version_cmd,
2789 build_by_default: true,
2790 build_always_stale: true)
2791 genh += qemu_version
2795 ['qemu-options.hx', 'qemu-options.def'],
2796 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2800 ['hmp-commands.hx', 'hmp-commands.h'],
2801 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2804 foreach d : hx_headers
2805 hxdep += custom_target(d[1],
2809 build_by_default: true, # to be removed when added to a target
2810 command: [hxtool, '-h', '@INPUT0@'])
2818 authz_ss = ss.source_set()
2819 blockdev_ss = ss.source_set()
2820 block_ss = ss.source_set()
2821 chardev_ss = ss.source_set()
2822 common_ss = ss.source_set()
2823 crypto_ss = ss.source_set()
2824 hwcore_ss = ss.source_set()
2825 io_ss = ss.source_set()
2826 qmp_ss = ss.source_set()
2827 qom_ss = ss.source_set()
2828 softmmu_ss = ss.source_set()
2829 specific_fuzz_ss = ss.source_set()
2830 specific_ss = ss.source_set()
2831 stub_ss = ss.source_set()
2832 trace_ss = ss.source_set()
2833 user_ss = ss.source_set()
2834 util_ss = ss.source_set()
2837 qtest_module_ss = ss.source_set()
2838 tcg_module_ss = ss.source_set()
2844 target_softmmu_arch = {}
2845 target_user_arch = {}
2851 # TODO: add each directory to the subdirs from its own meson.build, once
2853 trace_events_subdirs = [
2861 trace_events_subdirs += [ 'linux-user' ]
2864 trace_events_subdirs += [ 'bsd-user' ]
2867 trace_events_subdirs += [
2876 trace_events_subdirs += [
2890 'hw/block/dataplane',
2939 if have_system or have_user
2940 trace_events_subdirs += [
2958 vhost_user = not_found
2959 if targetos == 'linux' and have_vhost_user
2960 libvhost_user = subproject('libvhost-user')
2961 vhost_user = libvhost_user.get_variable('vhost_user_dep')
2964 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2965 # that is filled in by qapi/.
2979 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2980 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2983 qom_ss = qom_ss.apply(config_host, strict: false)
2984 libqom = static_library('qom', qom_ss.sources() + genh,
2985 dependencies: [qom_ss.dependencies()],
2987 qom = declare_dependency(link_whole: libqom)
2989 event_loop_base = files('event-loop-base.c')
2990 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
2991 build_by_default: true)
2992 event_loop_base = declare_dependency(link_whole: event_loop_base,
2993 dependencies: [qom])
2995 stub_ss = stub_ss.apply(config_all, strict: false)
2997 util_ss.add_all(trace_ss)
2998 util_ss = util_ss.apply(config_all, strict: false)
2999 libqemuutil = static_library('qemuutil',
3000 sources: util_ss.sources() + stub_ss.sources() + genh,
3001 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3002 qemuutil = declare_dependency(link_with: libqemuutil,
3003 sources: genh + version_res,
3004 dependencies: [event_loop_base])
3006 if have_system or have_user
3007 decodetree = generator(find_program('scripts/decodetree.py'),
3008 output: 'decode-@BASENAME@.c.inc',
3009 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3010 subdir('libdecnumber')
3027 if config_host_data.get('CONFIG_REPLICATION')
3028 block_ss.add(files('replication.c'))
3035 blockdev_ss.add(files(
3042 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3043 # os-win32.c does not
3044 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3045 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3048 common_ss.add(files('cpus-common.c'))
3052 common_ss.add(capstone)
3053 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3055 # Work around a gcc bug/misfeature wherein constant propagation looks
3057 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3058 # to guess that a const variable is always zero. Without lto, this is
3059 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3060 # without lto, not even the alias is required -- we simply use different
3061 # declarations in different compilation units.
3062 pagevary = files('page-vary-common.c')
3063 if get_option('b_lto')
3064 pagevary_flags = ['-fno-lto']
3065 if get_option('cfi')
3066 pagevary_flags += '-fno-sanitize=cfi-icall'
3068 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3069 c_args: pagevary_flags)
3070 pagevary = declare_dependency(link_with: pagevary)
3072 common_ss.add(pagevary)
3073 specific_ss.add(files('page-vary.c'))
3081 subdir('semihosting')
3088 common_user_inc = []
3090 subdir('common-user')
3092 subdir('linux-user')
3094 # needed for fuzzing binaries
3095 subdir('tests/qtest/libqos')
3096 subdir('tests/qtest/fuzz')
3099 tcg_real_module_ss = ss.source_set()
3100 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3101 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3102 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3103 'tcg': tcg_real_module_ss }}
3105 ########################
3106 # Library dependencies #
3107 ########################
3109 modinfo_collect = find_program('scripts/modinfo-collect.py')
3110 modinfo_generate = find_program('scripts/modinfo-generate.py')
3115 foreach d, list : modules
3116 foreach m, module_ss : list
3117 if enable_modules and targetos != 'windows'
3118 module_ss = module_ss.apply(config_all, strict: false)
3119 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3120 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3126 if module_ss.sources() != []
3127 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3128 # input. Sources can be used multiple times but objects are
3129 # unique when it comes to lookup in compile_commands.json.
3130 # Depnds on a mesion version with
3131 # https://github.com/mesonbuild/meson/pull/8900
3132 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3133 output: d + '-' + m + '.modinfo',
3134 input: module_ss.sources() + genh,
3136 command: [modinfo_collect, module_ss.sources()])
3140 block_ss.add_all(module_ss)
3142 softmmu_ss.add_all(module_ss)
3148 foreach d, list : target_modules
3149 foreach m, module_ss : list
3150 if enable_modules and targetos != 'windows'
3151 foreach target : target_dirs
3152 if target.endswith('-softmmu')
3153 config_target = config_target_mak[target]
3154 config_target += config_host
3155 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3156 c_args = ['-DNEED_CPU_H',
3157 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3158 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3159 target_module_ss = module_ss.apply(config_target, strict: false)
3160 if target_module_ss.sources() != []
3161 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3162 sl = static_library(module_name,
3163 [genh, target_module_ss.sources()],
3164 dependencies: [modulecommon, target_module_ss.dependencies()],
3165 include_directories: target_inc,
3169 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3170 modinfo_files += custom_target(module_name + '.modinfo',
3171 output: module_name + '.modinfo',
3172 input: target_module_ss.sources() + genh,
3174 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3179 specific_ss.add_all(module_ss)
3185 foreach target : target_dirs
3186 if target.endswith('-softmmu')
3187 config_target = config_target_mak[target]
3188 config_devices_mak = target + '-config-devices.mak'
3189 modinfo_src = custom_target('modinfo-' + target + '.c',
3190 output: 'modinfo-' + target + '.c',
3191 input: modinfo_files,
3192 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3195 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3196 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3198 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3199 hw_arch[arch].add(modinfo_dep)
3204 nm = find_program('nm')
3205 undefsym = find_program('scripts/undefsym.py')
3206 block_syms = custom_target('block.syms', output: 'block.syms',
3207 input: [libqemuutil, block_mods],
3209 command: [undefsym, nm, '@INPUT@'])
3210 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3211 input: [libqemuutil, softmmu_mods],
3213 command: [undefsym, nm, '@INPUT@'])
3215 authz_ss = authz_ss.apply(config_host, strict: false)
3216 libauthz = static_library('authz', authz_ss.sources() + genh,
3217 dependencies: [authz_ss.dependencies()],
3219 build_by_default: false)
3221 authz = declare_dependency(link_whole: libauthz,
3224 crypto_ss = crypto_ss.apply(config_host, strict: false)
3225 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3226 dependencies: [crypto_ss.dependencies()],
3228 build_by_default: false)
3230 crypto = declare_dependency(link_whole: libcrypto,
3231 dependencies: [authz, qom])
3233 io_ss = io_ss.apply(config_host, strict: false)
3234 libio = static_library('io', io_ss.sources() + genh,
3235 dependencies: [io_ss.dependencies()],
3236 link_with: libqemuutil,
3238 build_by_default: false)
3240 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3242 libmigration = static_library('migration', sources: migration_files + genh,
3244 build_by_default: false)
3245 migration = declare_dependency(link_with: libmigration,
3246 dependencies: [zlib, qom, io])
3247 softmmu_ss.add(migration)
3249 block_ss = block_ss.apply(config_host, strict: false)
3250 libblock = static_library('block', block_ss.sources() + genh,
3251 dependencies: block_ss.dependencies(),
3252 link_depends: block_syms,
3254 build_by_default: false)
3256 block = declare_dependency(link_whole: [libblock],
3257 link_args: '@block.syms',
3258 dependencies: [crypto, io])
3260 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3261 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3262 dependencies: blockdev_ss.dependencies(),
3264 build_by_default: false)
3266 blockdev = declare_dependency(link_whole: [libblockdev],
3267 dependencies: [block, event_loop_base])
3269 qmp_ss = qmp_ss.apply(config_host, strict: false)
3270 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3271 dependencies: qmp_ss.dependencies(),
3273 build_by_default: false)
3275 qmp = declare_dependency(link_whole: [libqmp])
3277 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3279 dependencies: chardev_ss.dependencies(),
3280 build_by_default: false)
3282 chardev = declare_dependency(link_whole: libchardev)
3284 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3285 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3287 build_by_default: false)
3288 hwcore = declare_dependency(link_whole: libhwcore)
3289 common_ss.add(hwcore)
3295 emulator_modules = []
3296 foreach m : block_mods + softmmu_mods
3297 emulator_modules += shared_module(m.name(),
3298 build_by_default: true,
3302 install_dir: qemu_moddir)
3304 if emulator_modules.length() > 0
3305 alias_target('modules', emulator_modules)
3308 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3309 common_ss.add(qom, qemuutil)
3311 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3312 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3314 common_all = common_ss.apply(config_all, strict: false)
3315 common_all = static_library('common',
3316 build_by_default: false,
3317 sources: common_all.sources() + genh,
3318 include_directories: common_user_inc,
3319 implicit_include_directories: false,
3320 dependencies: common_all.dependencies(),
3323 feature_to_c = find_program('scripts/feature_to_c.sh')
3325 if targetos == 'darwin'
3326 entitlement = find_program('scripts/entitlement.sh')
3330 foreach target : target_dirs
3331 config_target = config_target_mak[target]
3332 target_name = config_target['TARGET_NAME']
3333 target_base_arch = config_target['TARGET_BASE_ARCH']
3334 arch_srcs = [config_target_h[target]]
3336 c_args = ['-DNEED_CPU_H',
3337 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3338 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3339 link_args = emulator_link_args
3341 config_target += config_host
3342 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3343 if targetos == 'linux'
3344 target_inc += include_directories('linux-headers', is_system: true)
3346 if target.endswith('-softmmu')
3347 qemu_target_name = 'qemu-system-' + target_name
3348 target_type='system'
3349 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3350 arch_srcs += t.sources()
3351 arch_deps += t.dependencies()
3353 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3354 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3355 arch_srcs += hw.sources()
3356 arch_deps += hw.dependencies()
3358 arch_srcs += config_devices_h[target]
3359 link_args += ['@block.syms', '@qemu.syms']
3361 abi = config_target['TARGET_ABI_DIR']
3363 target_inc += common_user_inc
3364 qemu_target_name = 'qemu-' + target_name
3365 if target_base_arch in target_user_arch
3366 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3367 arch_srcs += t.sources()
3368 arch_deps += t.dependencies()
3370 if 'CONFIG_LINUX_USER' in config_target
3371 base_dir = 'linux-user'
3373 if 'CONFIG_BSD_USER' in config_target
3374 base_dir = 'bsd-user'
3375 target_inc += include_directories('bsd-user/' / targetos)
3376 target_inc += include_directories('bsd-user/host/' / host_arch)
3377 dir = base_dir / abi
3378 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3380 target_inc += include_directories(
3384 if 'CONFIG_LINUX_USER' in config_target
3385 dir = base_dir / abi
3386 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3387 if config_target.has_key('TARGET_SYSTBL_ABI')
3389 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3390 extra_args : config_target['TARGET_SYSTBL_ABI'])
3395 if 'TARGET_XML_FILES' in config_target
3396 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3397 output: target + '-gdbstub-xml.c',
3398 input: files(config_target['TARGET_XML_FILES'].split()),
3399 command: [feature_to_c, '@INPUT@'],
3401 arch_srcs += gdbstub_xml
3404 t = target_arch[target_base_arch].apply(config_target, strict: false)
3405 arch_srcs += t.sources()
3406 arch_deps += t.dependencies()
3408 target_common = common_ss.apply(config_target, strict: false)
3409 objects = common_all.extract_objects(target_common.sources())
3410 deps = target_common.dependencies()
3412 target_specific = specific_ss.apply(config_target, strict: false)
3413 arch_srcs += target_specific.sources()
3414 arch_deps += target_specific.dependencies()
3416 lib = static_library('qemu-' + target,
3417 sources: arch_srcs + genh,
3418 dependencies: arch_deps,
3420 include_directories: target_inc,
3422 build_by_default: false,
3425 if target.endswith('-softmmu')
3427 'name': 'qemu-system-' + target_name,
3428 'win_subsystem': 'console',
3429 'sources': files('softmmu/main.c'),
3432 if targetos == 'windows' and (sdl.found() or gtk.found())
3434 'name': 'qemu-system-' + target_name + 'w',
3435 'win_subsystem': 'windows',
3436 'sources': files('softmmu/main.c'),
3440 if get_option('fuzzing')
3441 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3443 'name': 'qemu-fuzz-' + target_name,
3444 'win_subsystem': 'console',
3445 'sources': specific_fuzz.sources(),
3446 'dependencies': specific_fuzz.dependencies(),
3451 'name': 'qemu-' + target_name,
3452 'win_subsystem': 'console',
3458 exe_name = exe['name']
3459 if targetos == 'darwin'
3460 exe_name += '-unsigned'
3463 emulator = executable(exe_name, exe['sources'],
3466 dependencies: arch_deps + deps + exe['dependencies'],
3467 objects: lib.extract_all_objects(recursive: true),
3468 link_language: link_language,
3469 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3470 link_args: link_args,
3471 win_subsystem: exe['win_subsystem'])
3473 if targetos == 'darwin'
3474 icon = 'pc-bios/qemu.rsrc'
3475 build_input = [emulator, files(icon)]
3477 get_option('bindir') / exe_name,
3478 meson.current_source_dir() / icon
3480 if 'CONFIG_HVF' in config_target
3481 entitlements = 'accel/hvf/entitlements.plist'
3482 build_input += files(entitlements)
3483 install_input += meson.current_source_dir() / entitlements
3486 emulators += {exe['name'] : custom_target(exe['name'],
3488 output: exe['name'],
3489 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3492 meson.add_install_script(entitlement, '--install',
3493 get_option('bindir') / exe['name'],
3496 emulators += {exe['name']: emulator}
3501 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3502 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3503 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3504 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3506 custom_target(exe['name'] + stp['ext'],
3507 input: trace_events_all,
3508 output: exe['name'] + stp['ext'],
3509 install: stp['install'],
3510 install_dir: get_option('datadir') / 'systemtap/tapset',
3512 tracetool, '--group=all', '--format=' + stp['fmt'],
3513 '--binary=' + stp['bin'],
3514 '--target-name=' + target_name,
3515 '--target-type=' + target_type,
3516 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3517 '@INPUT@', '@OUTPUT@'
3519 depend_files: tracetool_depends)
3525 # Other build targets
3527 if 'CONFIG_PLUGIN' in config_host
3528 install_headers('include/qemu/qemu-plugin.h')
3533 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3534 # when we don't build tools or system
3535 if xkbcommon.found()
3536 # used for the update-keymaps target, so include rules even if !have_tools
3537 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3538 dependencies: [qemuutil, xkbcommon], install: have_tools)
3542 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3543 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3544 qemu_io = executable('qemu-io', files('qemu-io.c'),
3545 dependencies: [block, qemuutil], install: true)
3546 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3547 dependencies: [blockdev, qemuutil, gnutls, selinux],
3550 subdir('storage-daemon')
3551 subdir('contrib/rdmacm-mux')
3552 subdir('contrib/elf2dmp')
3554 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3555 dependencies: qemuutil,
3559 subdir('contrib/vhost-user-blk')
3560 subdir('contrib/vhost-user-gpu')
3561 subdir('contrib/vhost-user-input')
3562 subdir('contrib/vhost-user-scsi')
3565 if targetos == 'linux'
3566 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3567 dependencies: [qemuutil, libcap_ng],
3569 install_dir: get_option('libexecdir'))
3571 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3572 dependencies: [authz, crypto, io, qom, qemuutil,
3573 libcap_ng, mpathpersist],
3578 subdir('contrib/ivshmem-client')
3579 subdir('contrib/ivshmem-server')
3592 if host_machine.system() == 'windows'
3594 find_program('scripts/nsis.py'),
3596 get_option('prefix'),
3597 meson.current_source_dir(),
3600 '-DDISPLAYVERSION=' + meson.project_version(),
3603 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3606 nsis_cmd += '-DCONFIG_GTK=y'
3609 nsis = custom_target('nsis',
3610 output: 'qemu-setup-' + meson.project_version() + '.exe',
3611 input: files('qemu.nsi'),
3612 build_always_stale: true,
3613 command: nsis_cmd + ['@INPUT@'])
3614 alias_target('installer', nsis)
3617 #########################
3618 # Configuration summary #
3619 #########################
3623 summary_info += {'Install prefix': get_option('prefix')}
3624 summary_info += {'BIOS directory': qemu_datadir}
3625 summary_info += {'firmware path': get_option('prefix') / get_option('qemu_firmwarepath')}
3626 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3627 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3628 summary_info += {'module directory': qemu_moddir}
3629 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3630 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3631 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3632 if targetos != 'windows'
3633 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3634 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3636 summary_info += {'local state directory': 'queried at runtime'}
3638 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3639 summary_info += {'Build directory': meson.current_build_dir()}
3640 summary_info += {'Source path': meson.current_source_dir()}
3641 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3642 summary(summary_info, bool_yn: true, section: 'Directories')
3646 summary_info += {'git': config_host['GIT']}
3647 summary_info += {'make': config_host['MAKE']}
3648 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3649 summary_info += {'sphinx-build': sphinx_build}
3650 if config_host.has_key('HAVE_GDB_BIN')
3651 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3653 summary_info += {'iasl': iasl}
3654 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3655 if targetos == 'windows' and have_ga
3656 summary_info += {'wixl': wixl}
3658 if slirp_opt != 'disabled' and have_system
3659 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3661 summary(summary_info, bool_yn: true, section: 'Host binaries')
3663 # Configurable features
3665 summary_info += {'Documentation': build_docs}
3666 summary_info += {'system-mode emulation': have_system}
3667 summary_info += {'user-mode emulation': have_user}
3668 summary_info += {'block layer': have_block}
3669 summary_info += {'Install blobs': get_option('install_blobs')}
3670 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3671 if config_host.has_key('CONFIG_MODULES')
3672 summary_info += {'alternative module path': get_option('module_upgrades')}
3674 summary_info += {'fuzzing support': get_option('fuzzing')}
3676 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3678 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3679 if 'simple' in get_option('trace_backends')
3680 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3682 summary_info += {'D-Bus display': dbus_display}
3683 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3684 summary_info += {'vhost-kernel support': have_vhost_kernel}
3685 summary_info += {'vhost-net support': have_vhost_net}
3686 summary_info += {'vhost-user support': have_vhost_user}
3687 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3688 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3689 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3690 summary_info += {'build guest agent': have_ga}
3691 summary(summary_info, bool_yn: true, section: 'Configurable features')
3693 # Compilation information
3695 summary_info += {'host CPU': cpu}
3696 summary_info += {'host endianness': build_machine.endian()}
3697 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3698 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3699 if link_language == 'cpp'
3700 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3702 summary_info += {'C++ compiler': false}
3704 if targetos == 'darwin'
3705 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3707 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3708 + ['-O' + get_option('optimization')]
3709 + (get_option('debug') ? ['-g'] : []))}
3710 if link_language == 'cpp'
3711 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3712 + ['-O' + get_option('optimization')]
3713 + (get_option('debug') ? ['-g'] : []))}
3715 if targetos == 'darwin'
3716 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3717 + ['-O' + get_option('optimization')]
3718 + (get_option('debug') ? ['-g'] : []))}
3720 link_args = get_option(link_language + '_link_args')
3721 if link_args.length() > 0
3722 summary_info += {'LDFLAGS': ' '.join(link_args)}
3724 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3725 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3726 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3727 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3728 summary_info += {'profiler': get_option('profiler')}
3729 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3730 summary_info += {'PIE': get_option('b_pie')}
3731 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3732 summary_info += {'malloc trim support': has_malloc_trim}
3733 summary_info += {'membarrier': have_membarrier}
3734 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3735 summary_info += {'mutex debugging': get_option('debug_mutex')}
3736 summary_info += {'memory allocator': get_option('malloc')}
3737 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3738 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3739 summary_info += {'gprof enabled': get_option('gprof')}
3740 summary_info += {'gcov': get_option('b_coverage')}
3741 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3742 summary_info += {'CFI support': get_option('cfi')}
3743 if get_option('cfi')
3744 summary_info += {'CFI debug support': get_option('cfi_debug')}
3746 summary_info += {'strip binaries': get_option('strip')}
3747 summary_info += {'sparse': sparse}
3748 summary_info += {'mingw32 support': targetos == 'windows'}
3750 # snarf the cross-compilation information for tests
3751 foreach target: target_dirs
3752 tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3753 if fs.exists(tcg_mak)
3754 config_cross_tcg = keyval.load(tcg_mak)
3755 target = config_cross_tcg['TARGET_NAME']
3757 if 'CC' in config_cross_tcg
3758 summary_info += {target + ' tests': config_cross_tcg['CC']}
3763 summary(summary_info, bool_yn: true, section: 'Compilation')
3765 # Targets and accelerators
3768 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3769 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3770 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3771 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3772 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3773 summary_info += {'Xen support': xen.found()}
3775 summary_info += {'xen ctrl version': xen.version()}
3778 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3779 if config_all.has_key('CONFIG_TCG')
3780 if get_option('tcg_interpreter')
3781 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3783 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3785 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3786 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3788 summary_info += {'target list': ' '.join(target_dirs)}
3790 summary_info += {'default devices': get_option('default_devices')}
3791 summary_info += {'out of process emulation': multiprocess_allowed}
3793 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3797 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3798 summary_info += {'coroutine pool': have_coroutine_pool}
3800 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3801 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3802 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3803 summary_info += {'VirtFS support': have_virtfs}
3804 summary_info += {'build virtiofs daemon': have_virtiofsd}
3805 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3806 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3807 summary_info += {'bochs support': get_option('bochs').allowed()}
3808 summary_info += {'cloop support': get_option('cloop').allowed()}
3809 summary_info += {'dmg support': get_option('dmg').allowed()}
3810 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3811 summary_info += {'vdi support': get_option('vdi').allowed()}
3812 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3813 summary_info += {'qed support': get_option('qed').allowed()}
3814 summary_info += {'parallels support': get_option('parallels').allowed()}
3815 summary_info += {'FUSE exports': fuse}
3817 summary(summary_info, bool_yn: true, section: 'Block layer support')
3821 summary_info += {'TLS priority': get_option('tls_priority')}
3822 summary_info += {'GNUTLS support': gnutls}
3824 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3826 summary_info += {'libgcrypt': gcrypt}
3827 summary_info += {'nettle': nettle}
3829 summary_info += {' XTS': xts != 'private'}
3831 summary_info += {'AF_ALG support': have_afalg}
3832 summary_info += {'rng-none': get_option('rng_none')}
3833 summary_info += {'Linux keyring': have_keyring}
3834 summary(summary_info, bool_yn: true, section: 'Crypto')
3838 if targetos == 'darwin'
3839 summary_info += {'Cocoa support': cocoa}
3840 summary_info += {'vmnet.framework support': vmnet}
3842 summary_info += {'SDL support': sdl}
3843 summary_info += {'SDL image support': sdl_image}
3844 summary_info += {'GTK support': gtk}
3845 summary_info += {'pixman': pixman}
3846 summary_info += {'VTE support': vte}
3847 summary_info += {'slirp support': slirp_opt == 'internal' ? slirp_opt : slirp}
3848 summary_info += {'libtasn1': tasn1}
3849 summary_info += {'PAM': pam}
3850 summary_info += {'iconv support': iconv}
3851 summary_info += {'curses support': curses}
3852 summary_info += {'virgl support': virgl}
3853 summary_info += {'curl support': curl}
3854 summary_info += {'Multipath support': mpathpersist}
3855 summary_info += {'PNG support': png}
3856 summary_info += {'VNC support': vnc}
3858 summary_info += {'VNC SASL support': sasl}
3859 summary_info += {'VNC JPEG support': jpeg}
3861 if targetos not in ['darwin', 'haiku', 'windows']
3862 summary_info += {'OSS support': oss}
3863 elif targetos == 'darwin'
3864 summary_info += {'CoreAudio support': coreaudio}
3865 elif targetos == 'windows'
3866 summary_info += {'DirectSound support': dsound}
3868 if targetos == 'linux'
3869 summary_info += {'ALSA support': alsa}
3870 summary_info += {'PulseAudio support': pulse}
3872 summary_info += {'JACK support': jack}
3873 summary_info += {'brlapi support': brlapi}
3874 summary_info += {'vde support': vde}
3875 summary_info += {'netmap support': have_netmap}
3876 summary_info += {'l2tpv3 support': have_l2tpv3}
3877 summary_info += {'Linux AIO support': libaio}
3878 summary_info += {'Linux io_uring support': linux_io_uring}
3879 summary_info += {'ATTR/XATTR support': libattr}
3880 summary_info += {'RDMA support': rdma}
3881 summary_info += {'PVRDMA support': have_pvrdma}
3882 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3883 summary_info += {'libcap-ng support': libcap_ng}
3884 summary_info += {'bpf support': libbpf}
3885 summary_info += {'spice protocol support': spice_protocol}
3886 if spice_protocol.found()
3887 summary_info += {' spice server support': spice}
3889 summary_info += {'rbd support': rbd}
3890 summary_info += {'smartcard support': cacard}
3891 summary_info += {'U2F support': u2f}
3892 summary_info += {'libusb': libusb}
3893 summary_info += {'usb net redir': usbredir}
3894 summary_info += {'OpenGL support (epoxy)': opengl}
3895 summary_info += {'GBM': gbm}
3896 summary_info += {'libiscsi support': libiscsi}
3897 summary_info += {'libnfs support': libnfs}
3898 if targetos == 'windows'
3900 summary_info += {'QGA VSS support': have_qga_vss}
3903 summary_info += {'seccomp support': seccomp}
3904 summary_info += {'GlusterFS support': glusterfs}
3905 summary_info += {'TPM support': have_tpm}
3906 summary_info += {'libssh support': libssh}
3907 summary_info += {'lzo support': lzo}
3908 summary_info += {'snappy support': snappy}
3909 summary_info += {'bzip2 support': libbzip2}
3910 summary_info += {'lzfse support': liblzfse}
3911 summary_info += {'zstd support': zstd}
3912 summary_info += {'NUMA host support': numa}
3913 summary_info += {'capstone': capstone}
3914 summary_info += {'libpmem support': libpmem}
3915 summary_info += {'libdaxctl support': libdaxctl}
3916 summary_info += {'libudev': libudev}
3917 # Dummy dependency, keep .found()
3918 summary_info += {'FUSE lseek': fuse_lseek.found()}
3919 summary_info += {'selinux': selinux}
3920 summary(summary_info, bool_yn: true, section: 'Dependencies')
3922 if not supported_cpus.contains(cpu)
3924 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3926 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3927 message('The QEMU project intends to remove support for this host CPU in')
3928 message('a future release if nobody volunteers to maintain it and to')
3929 message('provide a build host for our continuous integration setup.')
3930 message('configure has succeeded and you can continue to build, but')
3931 message('if you care about QEMU on this platform you should contact')
3932 message('us upstream at qemu-devel@nongnu.org.')
3935 if not supported_oses.contains(targetos)
3937 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3939 message('Host OS ' + targetos + 'support is not currently maintained.')
3940 message('The QEMU project intends to remove support for this host OS in')
3941 message('a future release if nobody volunteers to maintain it and to')
3942 message('provide a build host for our continuous integration setup.')
3943 message('configure has succeeded and you can continue to build, but')
3944 message('if you care about QEMU on this platform you should contact')
3945 message('us upstream at qemu-devel@nongnu.org.')