1 project('qemu', ['c'], meson_version: '>=0.61.3',
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 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 targetos = host_machine.system()
18 sh = find_program('sh')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20 enable_modules = 'CONFIG_MODULES' in config_host
21 enable_static = 'CONFIG_STATIC' in config_host
23 # Allow both shared and static libraries unless --enable-static
24 static_kwargs = enable_static ? {'static': true} : {}
26 cc = meson.get_compiler('c')
28 if add_languages('cpp', required: false, native: false)
29 all_languages += ['cpp']
30 cxx = meson.get_compiler('cpp')
32 if targetos == 'darwin' and \
33 add_languages('objc', required: get_option('cocoa'), native: false)
34 all_languages += ['objc']
35 objc = meson.get_compiler('objc')
38 # Temporary directory used for files created while
39 # configure runs. Since it is in the build directory
40 # we can safely blow away any previous version of it
41 # (and we need not jump through hoops to try to delete
42 # it when configure exits.)
43 tmpdir = meson.current_build_dir() / 'meson-private/temp'
45 if get_option('qemu_suffix').startswith('/')
46 error('qemu_suffix cannot start with a /')
49 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
50 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
51 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
52 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
54 qemu_desktopdir = get_option('datadir') / 'applications'
55 qemu_icondir = get_option('datadir') / 'icons'
57 config_host_data = configuration_data()
59 qapi_trace_events = []
61 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
62 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
63 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
64 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
66 cpu = host_machine.cpu_family()
68 # Unify riscv* to a single family.
69 if cpu in ['riscv32', 'riscv64']
73 target_dirs = config_host['TARGET_DIRS'].split()
74 have_linux_user = false
77 foreach target : target_dirs
78 have_linux_user = have_linux_user or target.endswith('linux-user')
79 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
80 have_system = have_system or target.endswith('-softmmu')
82 have_user = have_linux_user or have_bsd_user
83 have_tools = get_option('tools') \
84 .disable_auto_if(not have_system) \
86 have_ga = get_option('guest_agent') \
87 .disable_auto_if(not have_system and not have_tools) \
88 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
89 error_message: 'unsupported OS for QEMU guest agent') \
91 have_block = have_system or have_tools
93 python = import('python').find_installation()
95 if cpu not in supported_cpus
105 if cpu in ['x86', 'x86_64']
106 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
107 elif cpu == 'aarch64'
108 kvm_targets = ['aarch64-softmmu']
110 kvm_targets = ['s390x-softmmu']
111 elif cpu in ['ppc', 'ppc64']
112 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
113 elif cpu in ['mips', 'mips64']
114 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
115 elif cpu in ['riscv']
116 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
122 if get_option('kvm').allowed() and targetos == 'linux'
123 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
129 if cpu in ['aarch64']
130 accelerator_targets += {
131 'CONFIG_HVF': ['aarch64-softmmu']
135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136 # i386 emulator provides xenpv machine type for multiple architectures
137 accelerator_targets += {
138 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
141 if cpu in ['x86', 'x86_64']
142 accelerator_targets += {
143 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
144 'CONFIG_HVF': ['x86_64-softmmu'],
145 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
146 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
151 # Darwin does not support references to thread-local variables in modules
152 if targetos != 'darwin'
153 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
156 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
157 unpack_edk2_blobs = false
158 foreach target : edk2_targets
159 if target in target_dirs
160 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
161 unpack_edk2_blobs = bzip2.found()
168 if 'dtrace' in get_option('trace_backends')
169 dtrace = find_program('dtrace', required: true)
170 stap = find_program('stap', required: false)
172 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
173 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
174 # instead. QEMU --enable-modules depends on this because the SystemTap
175 # semaphores are linked into the main binary and not the module's shared
177 add_global_arguments('-DSTAP_SDT_V2',
178 native: false, language: all_languages)
182 if get_option('iasl') == ''
183 iasl = find_program('iasl', required: false)
185 iasl = find_program(get_option('iasl'), required: true)
192 qemu_cflags = config_host['QEMU_CFLAGS'].split()
193 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
194 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
197 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
200 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
201 # The combination is known as "full relro", because .got.plt is read-only too.
202 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
204 if targetos == 'windows'
205 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
206 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
209 if get_option('gprof')
210 qemu_cflags += ['-p']
211 qemu_objcflags += ['-p']
212 qemu_ldflags += ['-p']
215 # Specify linker-script with add_project_link_arguments so that it is not placed
216 # within a linker --start-group/--end-group pair
217 if get_option('fuzzing')
218 add_project_link_arguments(['-Wl,-T,',
219 (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
220 native: false, language: all_languages)
222 # Specify a filter to only instrument code that is directly related to
224 configure_file(output: 'instrumentation-filter',
225 input: 'scripts/oss-fuzz/instrumentation-filter-template',
228 if cc.compiles('int main () { return 0; }',
229 name: '-fsanitize-coverage-allowlist=/dev/null',
230 args: ['-fsanitize-coverage-allowlist=/dev/null',
231 '-fsanitize-coverage=trace-pc'] )
232 add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
233 native: false, language: all_languages)
236 if get_option('fuzzing_engine') == ''
237 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
238 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
239 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
240 # unable to bind the fuzzer-related callbacks added by instrumentation.
241 add_global_arguments('-fsanitize=fuzzer-no-link',
242 native: false, language: all_languages)
243 add_global_link_arguments('-fsanitize=fuzzer-no-link',
244 native: false, language: all_languages)
245 # For the actual fuzzer binaries, we need to link against the libfuzzer
246 # library. They need to be configurable, to support OSS-Fuzz
247 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
249 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
250 # the needed CFLAGS have already been provided
251 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
255 # Check that the C++ compiler exists and works with the C compiler.
259 if 'cpp' in all_languages
260 add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
261 native: false, language: 'cpp')
262 foreach k: qemu_cflags
263 if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
264 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
269 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
270 link_language = 'cpp'
273 message('C++ compiler does not work with C compiler')
274 message('Disabling C++-specific optional code')
278 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
279 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
280 qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
283 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
285 add_global_arguments(qemu_cflags, native: false, language: 'c')
286 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
287 add_global_arguments(qemu_objcflags, native: false, language: 'objc')
288 if targetos == 'linux'
289 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
290 '-isystem', 'linux-headers',
291 language: all_languages)
294 add_project_arguments('-iquote', '.',
295 '-iquote', meson.current_source_dir(),
296 '-iquote', meson.current_source_dir() / 'include',
297 language: all_languages)
299 sparse = find_program('cgcc', required: get_option('sparse'))
302 command: [find_program('scripts/check_sparse.py'),
303 'compile_commands.json', sparse.full_path(), '-Wbitwise',
304 '-Wno-transparent-union', '-Wno-old-initializer',
305 '-Wno-non-pointer-null'])
308 ###########################################
309 # Target-specific checks and dependencies #
310 ###########################################
313 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
316 #include <sys/types.h>
317 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
318 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
320 args: ['-Werror', '-fsanitize=fuzzer'])
321 error('Your compiler does not support -fsanitize=fuzzer')
325 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
326 error('ftrace is supported only on Linux')
328 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
331 openlog("qemu", LOG_PID, LOG_DAEMON);
332 syslog(LOG_INFO, "configure");
335 error('syslog is not supported on this system')
338 # Miscellaneous Linux-only features
339 get_option('mpath') \
340 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
342 multiprocess_allowed = get_option('multiprocess') \
343 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
346 vfio_user_server_allowed = get_option('vfio_user_server') \
347 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
350 have_tpm = get_option('tpm') \
351 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
355 have_vhost_user = get_option('vhost_user') \
356 .disable_auto_if(targetos != 'linux') \
357 .require(targetos != 'windows',
358 error_message: 'vhost-user is not available on Windows').allowed()
359 have_vhost_vdpa = get_option('vhost_vdpa') \
360 .require(targetos == 'linux',
361 error_message: 'vhost-vdpa is only available on Linux').allowed()
362 have_vhost_kernel = get_option('vhost_kernel') \
363 .require(targetos == 'linux',
364 error_message: 'vhost-kernel is only available on Linux').allowed()
365 have_vhost_user_crypto = get_option('vhost_crypto') \
366 .require(have_vhost_user,
367 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
369 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
371 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
372 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
373 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
374 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
376 # Target-specific libraries and flags
377 libm = cc.find_library('m', required: false)
378 threads = dependency('threads')
379 util = cc.find_library('util', required: false)
385 emulator_link_args = []
392 if targetos == 'windows'
393 midl = find_program('midl', required: false)
394 widl = find_program('widl', required: false)
395 pathcch = cc.find_library('pathcch')
396 socket = cc.find_library('ws2_32')
397 winmm = cc.find_library('winmm')
399 win = import('windows')
400 version_res = win.compile_resources('version.rc',
401 depend_files: files('pc-bios/qemu-nsis.ico'),
402 include_directories: include_directories('.'))
404 elif targetos == 'darwin'
405 coref = dependency('appleframeworks', modules: 'CoreFoundation')
406 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
407 host_dsosuf = '.dylib'
408 elif targetos == 'sunos'
409 socket = [cc.find_library('socket'),
410 cc.find_library('nsl'),
411 cc.find_library('resolv')]
412 elif targetos == 'haiku'
413 socket = [cc.find_library('posix_error_mapper'),
414 cc.find_library('network'),
415 cc.find_library('bsd')]
416 elif targetos == 'openbsd'
417 if get_option('tcg').allowed() and target_dirs.length() > 0
418 # Disable OpenBSD W^X if available
419 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
423 # Target-specific configuration of accelerators
425 if get_option('kvm').allowed() and targetos == 'linux'
426 accelerators += 'CONFIG_KVM'
428 if get_option('whpx').allowed() and targetos == 'windows'
429 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
430 error('WHPX requires 64-bit host')
431 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
432 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
433 accelerators += 'CONFIG_WHPX'
436 if get_option('hvf').allowed()
437 hvf = dependency('appleframeworks', modules: 'Hypervisor',
438 required: get_option('hvf'))
440 accelerators += 'CONFIG_HVF'
443 if get_option('hax').allowed()
444 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
445 accelerators += 'CONFIG_HAX'
448 if targetos == 'netbsd'
449 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
451 accelerators += 'CONFIG_NVMM'
456 if get_option('tcg').allowed()
457 if host_arch == 'unknown'
458 if get_option('tcg_interpreter')
459 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
461 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
463 elif get_option('tcg_interpreter')
464 warning('Use of the TCG interpreter is not recommended on this host')
465 warning('architecture. There is a native TCG execution backend available')
466 warning('which provides substantially better performance and reliability.')
467 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
468 warning('configuration option on this architecture to use the native')
471 if get_option('tcg_interpreter')
473 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
474 elif host_arch == 'x86_64'
476 elif host_arch == 'ppc64'
479 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
480 language: all_languages)
482 accelerators += 'CONFIG_TCG'
483 config_host += { 'CONFIG_TCG': 'y' }
486 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
487 error('KVM not available on this platform')
489 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
490 error('HVF not available on this platform')
492 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
493 error('NVMM not available on this platform')
495 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
496 error('WHPX not available on this platform')
503 # The path to glib.h is added to all compilation commands. This was
504 # grandfathered in from the QEMU Makefiles.
505 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
506 native: false, language: all_languages)
507 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
508 link_args: config_host['GLIB_LIBS'].split(),
509 version: config_host['GLIB_VERSION'],
511 'bindir': config_host['GLIB_BINDIR'],
513 # override glib dep with the configure results (for subprojects)
514 meson.override_dependency('glib-2.0', glib)
517 gdbus_codegen = not_found
518 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
519 if not get_option('gio').auto() or have_system
520 gio = dependency('gio-2.0', required: get_option('gio'),
521 method: 'pkg-config', kwargs: static_kwargs)
522 if gio.found() and not cc.links('''
526 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
528 }''', dependencies: [glib, gio])
529 if get_option('gio').enabled()
530 error('The installed libgio is broken for static linking')
535 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
536 required: get_option('gio'))
537 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
538 method: 'pkg-config', kwargs: static_kwargs)
539 gio = declare_dependency(dependencies: [gio, gio_unix],
540 version: gio.version())
543 if gdbus_codegen.found() and get_option('cfi')
544 gdbus_codegen = not_found
545 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
549 if 'ust' in get_option('trace_backends')
550 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
551 method: 'pkg-config', kwargs: static_kwargs)
554 if have_system or have_tools
555 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
556 method: 'pkg-config', kwargs: static_kwargs)
558 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
561 if not get_option('linux_aio').auto() or have_block
562 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
563 required: get_option('linux_aio'),
564 kwargs: static_kwargs)
567 linux_io_uring_test = '''
568 #include <liburing.h>
569 #include <linux/errqueue.h>
571 int main(void) { return 0; }'''
573 linux_io_uring = not_found
574 if not get_option('linux_io_uring').auto() or have_block
575 linux_io_uring = dependency('liburing', version: '>=0.3',
576 required: get_option('linux_io_uring'),
577 method: 'pkg-config', kwargs: static_kwargs)
578 if not cc.links(linux_io_uring_test)
579 linux_io_uring = not_found
584 if not get_option('libnfs').auto() or have_block
585 libnfs = dependency('libnfs', version: '>=1.9.3',
586 required: get_option('libnfs'),
587 method: 'pkg-config', kwargs: static_kwargs)
592 #include <sys/types.h>
593 #ifdef CONFIG_LIBATTR
594 #include <attr/xattr.h>
596 #include <sys/xattr.h>
598 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
601 have_old_libattr = false
602 if get_option('attr').allowed()
603 if cc.links(libattr_test)
604 libattr = declare_dependency()
606 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
607 required: get_option('attr'),
608 kwargs: static_kwargs)
609 if libattr.found() and not \
610 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
612 if get_option('attr').enabled()
613 error('could not link libattr')
615 warning('could not link libattr, disabling')
618 have_old_libattr = libattr.found()
623 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
624 required: get_option('cocoa'))
626 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
627 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
628 'VMNET_BRIDGED_MODE',
631 if get_option('vmnet').enabled()
632 error('vmnet.framework API is outdated')
634 warning('vmnet.framework API is outdated, disabling')
639 seccomp_has_sysrawrc = false
640 if not get_option('seccomp').auto() or have_system or have_tools
641 seccomp = dependency('libseccomp', version: '>=2.3.0',
642 required: get_option('seccomp'),
643 method: 'pkg-config', kwargs: static_kwargs)
645 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
646 'SCMP_FLTATR_API_SYSRAWRC',
647 dependencies: seccomp)
651 libcap_ng = not_found
652 if not get_option('cap_ng').auto() or have_system or have_tools
653 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
654 required: get_option('cap_ng'),
655 kwargs: static_kwargs)
657 if libcap_ng.found() and not cc.links('''
661 capng_capability_to_name(CAPNG_EFFECTIVE);
663 }''', dependencies: libcap_ng)
664 libcap_ng = not_found
665 if get_option('cap_ng').enabled()
666 error('could not link libcap-ng')
668 warning('could not link libcap-ng, disabling')
672 if get_option('xkbcommon').auto() and not have_system and not have_tools
673 xkbcommon = not_found
675 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
676 method: 'pkg-config', kwargs: static_kwargs)
680 if not get_option('slirp').auto() or have_system
681 slirp = dependency('slirp', required: get_option('slirp'),
682 method: 'pkg-config', kwargs: static_kwargs)
683 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
684 # it passes function pointers within libslirp as callbacks for timers.
685 # When using a system-wide shared libslirp, the type information for the
686 # callback is missing and the timer call produces a false positive with CFI.
687 # Do not use the "version" keyword argument to produce a better error.
688 # with control-flow integrity.
689 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
690 if get_option('slirp').enabled()
691 error('Control-Flow Integrity requires libslirp 4.7.')
693 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
700 if not get_option('vde').auto() or have_system or have_tools
701 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
702 required: get_option('vde'),
703 kwargs: static_kwargs)
705 if vde.found() and not cc.links('''
706 #include <libvdeplug.h>
709 struct vde_open_args a = {0, 0, 0};
713 }''', dependencies: vde)
715 if get_option('cap_ng').enabled()
716 error('could not link libvdeplug')
718 warning('could not link libvdeplug, disabling')
723 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
724 pulse = dependency('libpulse', required: get_option('pa'),
725 method: 'pkg-config', kwargs: static_kwargs)
728 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
729 alsa = dependency('alsa', required: get_option('alsa'),
730 method: 'pkg-config', kwargs: static_kwargs)
733 if not get_option('jack').auto() or have_system
734 jack = dependency('jack', required: get_option('jack'),
735 method: 'pkg-config', kwargs: static_kwargs)
738 if not get_option('sndio').auto() or have_system
739 sndio = dependency('sndio', required: get_option('sndio'),
740 method: 'pkg-config', kwargs: static_kwargs)
743 spice_protocol = not_found
744 if not get_option('spice_protocol').auto() or have_system
745 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
746 required: get_option('spice_protocol'),
747 method: 'pkg-config', kwargs: static_kwargs)
750 if not get_option('spice').auto() or have_system
751 spice = dependency('spice-server', version: '>=0.14.0',
752 required: get_option('spice'),
753 method: 'pkg-config', kwargs: static_kwargs)
755 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
757 rt = cc.find_library('rt', required: false)
760 if not get_option('libiscsi').auto() or have_block
761 libiscsi = dependency('libiscsi', version: '>=1.9.0',
762 required: get_option('libiscsi'),
763 method: 'pkg-config', kwargs: static_kwargs)
766 if not get_option('zstd').auto() or have_block
767 zstd = dependency('libzstd', version: '>=1.4.0',
768 required: get_option('zstd'),
769 method: 'pkg-config', kwargs: static_kwargs)
773 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
774 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
775 virgl = dependency('virglrenderer',
776 method: 'pkg-config',
777 required: get_option('virglrenderer'),
778 kwargs: static_kwargs)
781 if not get_option('blkio').auto() or have_block
782 blkio = dependency('blkio',
783 method: 'pkg-config',
784 required: get_option('blkio'),
785 kwargs: static_kwargs)
788 if not get_option('curl').auto() or have_block
789 curl = dependency('libcurl', version: '>=7.29.0',
790 method: 'pkg-config',
791 required: get_option('curl'),
792 kwargs: static_kwargs)
795 if targetos == 'linux' and (have_system or have_tools)
796 libudev = dependency('libudev',
797 method: 'pkg-config',
798 required: get_option('libudev'),
799 kwargs: static_kwargs)
802 mpathlibs = [libudev]
803 mpathpersist = not_found
804 mpathpersist_new_api = false
805 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
806 mpath_test_source_new = '''
808 #include <mpath_persist.h>
809 unsigned mpath_mx_alloc_len = 1024;
811 static struct config *multipath_conf;
812 extern struct udev *udev;
813 extern struct config *get_multipath_config(void);
814 extern void put_multipath_config(struct config *conf);
816 struct config *get_multipath_config(void) { return multipath_conf; }
817 void put_multipath_config(struct config *conf) { }
820 multipath_conf = mpath_lib_init();
823 mpath_test_source_old = '''
825 #include <mpath_persist.h>
826 unsigned mpath_mx_alloc_len = 1024;
829 struct udev *udev = udev_new();
830 mpath_lib_init(udev);
833 libmpathpersist = cc.find_library('mpathpersist',
834 required: get_option('mpath'),
835 kwargs: static_kwargs)
836 if libmpathpersist.found()
837 mpathlibs += libmpathpersist
839 mpathlibs += cc.find_library('devmapper',
840 required: get_option('mpath'),
841 kwargs: static_kwargs)
843 mpathlibs += cc.find_library('multipath',
844 required: get_option('mpath'),
845 kwargs: static_kwargs)
846 foreach lib: mpathlibs
852 if mpathlibs.length() == 0
853 msg = 'Dependencies missing for libmpathpersist'
854 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
855 mpathpersist = declare_dependency(dependencies: mpathlibs)
856 mpathpersist_new_api = true
857 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
858 mpathpersist = declare_dependency(dependencies: mpathlibs)
860 msg = 'Cannot detect libmpathpersist API'
862 if not mpathpersist.found()
863 if get_option('mpath').enabled()
866 warning(msg + ', disabling')
874 if have_system and get_option('curses').allowed()
876 #if defined(__APPLE__) || defined(__OpenBSD__)
877 #define _XOPEN_SOURCE_EXTENDED 1
884 setlocale(LC_ALL, "");
886 addwstr(L"wide chars\n");
888 add_wch(WACS_DEGREE);
892 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
893 curses = dependency(curses_dep_list,
895 method: 'pkg-config',
896 kwargs: static_kwargs)
897 msg = get_option('curses').enabled() ? 'curses library not found' : ''
898 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
900 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
901 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
903 msg = 'curses package not usable'
907 if not curses.found()
908 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909 if targetos != 'windows' and not has_curses_h
910 message('Trying with /usr/include/ncursesw')
911 curses_compile_args += ['-I/usr/include/ncursesw']
912 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
915 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
916 foreach curses_libname : curses_libname_list
917 libcurses = cc.find_library(curses_libname,
919 kwargs: static_kwargs)
921 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
922 curses = declare_dependency(compile_args: curses_compile_args,
923 dependencies: [libcurses])
926 msg = 'curses library not usable'
932 if get_option('iconv').allowed()
933 foreach link_args : [ ['-liconv'], [] ]
934 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
935 # We need to use libiconv if available because mixing libiconv's headers with
936 # the system libc does not work.
937 # However, without adding glib to the dependencies -L/usr/local/lib will not be
938 # included in the command line and libiconv will not be found.
942 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
943 return conv != (iconv_t) -1;
944 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
945 iconv = declare_dependency(link_args: link_args, dependencies: glib)
950 if curses.found() and not iconv.found()
951 if get_option('iconv').enabled()
952 error('iconv not available')
954 msg = 'iconv required for curses UI but not available'
957 if not curses.found() and msg != ''
958 if get_option('curses').enabled()
961 warning(msg + ', disabling')
967 if not get_option('brlapi').auto() or have_system
968 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
969 required: get_option('brlapi'),
970 kwargs: static_kwargs)
971 if brlapi.found() and not cc.links('''
974 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
976 if get_option('brlapi').enabled()
977 error('could not link brlapi')
979 warning('could not link brlapi, disabling')
985 if not get_option('sdl').auto() or have_system
986 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
987 sdl_image = not_found
990 # work around 2.0.8 bug
991 sdl = declare_dependency(compile_args: '-Wno-undef',
993 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
994 method: 'pkg-config', kwargs: static_kwargs)
996 if get_option('sdl_image').enabled()
997 error('sdl-image required, but SDL was @0@'.format(
998 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1000 sdl_image = not_found
1004 if not get_option('rbd').auto() or have_block
1005 librados = cc.find_library('rados', required: get_option('rbd'),
1006 kwargs: static_kwargs)
1007 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008 required: get_option('rbd'),
1009 kwargs: static_kwargs)
1010 if librados.found() and librbd.found()
1013 #include <rbd/librbd.h>
1016 rados_create(&cluster, NULL);
1017 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1021 }''', dependencies: [librbd, librados])
1022 rbd = declare_dependency(dependencies: [librbd, librados])
1023 elif get_option('rbd').enabled()
1024 error('librbd >= 1.12.0 required')
1026 warning('librbd >= 1.12.0 not found, disabling')
1031 glusterfs = not_found
1032 glusterfs_ftruncate_has_stat = false
1033 glusterfs_iocb_has_stat = false
1034 if not get_option('glusterfs').auto() or have_block
1035 glusterfs = dependency('glusterfs-api', version: '>=3',
1036 required: get_option('glusterfs'),
1037 method: 'pkg-config', kwargs: static_kwargs)
1038 if glusterfs.found()
1039 glusterfs_ftruncate_has_stat = cc.links('''
1040 #include <glusterfs/api/glfs.h>
1045 /* new glfs_ftruncate() passes two additional args */
1046 return glfs_ftruncate(NULL, 0, NULL, NULL);
1048 ''', dependencies: glusterfs)
1049 glusterfs_iocb_has_stat = cc.links('''
1050 #include <glusterfs/api/glfs.h>
1052 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1054 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1060 glfs_io_cbk iocb = &glusterfs_iocb;
1061 iocb(NULL, 0 , NULL, NULL, NULL);
1064 ''', dependencies: glusterfs)
1069 if not get_option('libssh').auto() or have_block
1070 libssh = dependency('libssh', version: '>=0.8.7',
1071 method: 'pkg-config',
1072 required: get_option('libssh'),
1073 kwargs: static_kwargs)
1076 libbzip2 = not_found
1077 if not get_option('bzip2').auto() or have_block
1078 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079 required: get_option('bzip2'),
1080 kwargs: static_kwargs)
1081 if libbzip2.found() and not cc.links('''
1083 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084 libbzip2 = not_found
1085 if get_option('bzip2').enabled()
1086 error('could not link libbzip2')
1088 warning('could not link libbzip2, disabling')
1093 liblzfse = not_found
1094 if not get_option('lzfse').auto() or have_block
1095 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096 required: get_option('lzfse'),
1097 kwargs: static_kwargs)
1099 if liblzfse.found() and not cc.links('''
1101 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102 liblzfse = not_found
1103 if get_option('lzfse').enabled()
1104 error('could not link liblzfse')
1106 warning('could not link liblzfse, disabling')
1111 if get_option('oss').allowed() and have_system
1112 if not cc.has_header('sys/soundcard.h')
1114 elif targetos == 'netbsd'
1115 oss = cc.find_library('ossaudio', required: get_option('oss'),
1116 kwargs: static_kwargs)
1118 oss = declare_dependency()
1122 if get_option('oss').enabled()
1123 error('OSS not found')
1128 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129 if cc.has_header('dsound.h')
1130 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1133 if not dsound.found()
1134 if get_option('dsound').enabled()
1135 error('DirectSound not found')
1140 coreaudio = not_found
1141 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143 required: get_option('coreaudio'))
1147 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148 epoxy = dependency('epoxy', method: 'pkg-config',
1149 required: get_option('opengl'), kwargs: static_kwargs)
1150 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1152 elif get_option('opengl').enabled()
1153 error('epoxy/egl.h not found')
1157 if (have_system or have_tools) and (virgl.found() or opengl.found())
1158 gbm = dependency('gbm', method: 'pkg-config', required: false,
1159 kwargs: static_kwargs)
1161 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1164 gnutls_crypto = not_found
1165 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166 # For general TLS support our min gnutls matches
1167 # that implied by our platform support matrix
1169 # For the crypto backends, we look for a newer
1172 # Version 3.6.8 is needed to get XTS
1173 # Version 3.6.13 is needed to get PBKDF
1174 # Version 3.6.14 is needed to get HW accelerated XTS
1176 # If newer enough gnutls isn't available, we can
1177 # still use a different crypto backend to satisfy
1178 # the platform support requirements
1179 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180 method: 'pkg-config',
1182 kwargs: static_kwargs)
1183 if gnutls_crypto.found()
1184 gnutls = gnutls_crypto
1186 # Our min version if all we need is TLS
1187 gnutls = dependency('gnutls', version: '>=3.5.18',
1188 method: 'pkg-config',
1189 required: get_option('gnutls'),
1190 kwargs: static_kwargs)
1194 # We prefer use of gnutls for crypto, unless the options
1195 # explicitly asked for nettle or gcrypt.
1197 # If gnutls isn't available for crypto, then we'll prefer
1198 # gcrypt over nettle for performance reasons.
1204 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205 error('Only one of gcrypt & nettle can be enabled')
1208 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210 gnutls_crypto = not_found
1213 if not gnutls_crypto.found()
1214 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215 gcrypt = dependency('libgcrypt', version: '>=1.8',
1216 method: 'config-tool',
1217 required: get_option('gcrypt'),
1218 kwargs: static_kwargs)
1219 # Debian has removed -lgpg-error from libgcrypt-config
1220 # as it "spreads unnecessary dependencies" which in
1221 # turn breaks static builds...
1222 if gcrypt.found() and enable_static
1223 gcrypt = declare_dependency(dependencies: [
1225 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1228 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229 nettle = dependency('nettle', version: '>=3.4',
1230 method: 'pkg-config',
1231 required: get_option('nettle'),
1232 kwargs: static_kwargs)
1233 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1239 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240 if nettle.found() and gmp.found()
1241 hogweed = dependency('hogweed', version: '>=3.4',
1242 method: 'pkg-config',
1243 required: get_option('nettle'),
1244 kwargs: static_kwargs)
1251 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1253 if not get_option('gtk').auto() or have_system
1254 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255 method: 'pkg-config',
1256 required: get_option('gtk'),
1257 kwargs: static_kwargs)
1259 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260 method: 'pkg-config',
1262 kwargs: static_kwargs)
1263 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1265 if not get_option('vte').auto() or have_system
1266 vte = dependency('vte-2.91',
1267 method: 'pkg-config',
1268 required: get_option('vte'),
1269 kwargs: static_kwargs)
1271 elif have_gtk_clipboard
1272 error('GTK clipboard requested, but GTK not found')
1278 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279 kwargs: static_kwargs)
1282 if get_option('png').allowed() and have_system
1283 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284 method: 'pkg-config', kwargs: static_kwargs)
1289 if get_option('vnc').allowed() and have_system
1290 vnc = declare_dependency() # dummy dependency
1291 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292 method: 'pkg-config', kwargs: static_kwargs)
1293 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294 required: get_option('vnc_sasl'),
1295 kwargs: static_kwargs)
1297 sasl = declare_dependency(dependencies: sasl,
1298 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1303 if not get_option('auth_pam').auto() or have_system
1304 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305 required: get_option('auth_pam'),
1306 kwargs: static_kwargs)
1308 if pam.found() and not cc.links('''
1310 #include <security/pam_appl.h>
1312 const char *service_name = "qemu";
1313 const char *user = "frank";
1314 const struct pam_conv pam_conv = { 0 };
1315 pam_handle_t *pamh = NULL;
1316 pam_start(service_name, user, &pam_conv, &pamh);
1318 }''', dependencies: pam)
1320 if get_option('auth_pam').enabled()
1321 error('could not link libpam')
1323 warning('could not link libpam, disabling')
1328 if not get_option('snappy').auto() or have_system
1329 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330 required: get_option('snappy'),
1331 kwargs: static_kwargs)
1333 if snappy.found() and not linker.links('''
1334 #include <snappy-c.h>
1335 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1337 if get_option('snappy').enabled()
1338 error('could not link libsnappy')
1340 warning('could not link libsnappy, disabling')
1345 if not get_option('lzo').auto() or have_system
1346 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347 required: get_option('lzo'),
1348 kwargs: static_kwargs)
1350 if lzo.found() and not cc.links('''
1351 #include <lzo/lzo1x.h>
1352 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1354 if get_option('lzo').enabled()
1355 error('could not link liblzo2')
1357 warning('could not link liblzo2, disabling')
1362 if not get_option('numa').auto() or have_system or have_tools
1363 numa = cc.find_library('numa', has_headers: ['numa.h'],
1364 required: get_option('numa'),
1365 kwargs: static_kwargs)
1367 if numa.found() and not cc.links('''
1369 int main(void) { return numa_available(); }
1370 ''', dependencies: numa)
1372 if get_option('numa').enabled()
1373 error('could not link numa')
1375 warning('could not link numa, disabling')
1380 if not get_option('rdma').auto() or have_system
1381 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383 required: get_option('rdma'),
1384 kwargs: static_kwargs),
1385 cc.find_library('ibverbs', required: get_option('rdma'),
1386 kwargs: static_kwargs),
1388 rdma = declare_dependency(dependencies: rdma_libs)
1389 foreach lib: rdma_libs
1397 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398 xencontrol = dependency('xencontrol', required: false,
1399 method: 'pkg-config', kwargs: static_kwargs)
1400 if xencontrol.found()
1401 xen_pc = declare_dependency(version: xencontrol.version(),
1404 # disabler: true makes xen_pc.found() return false if any is not found
1405 dependency('xenstore', required: false,
1406 method: 'pkg-config', kwargs: static_kwargs,
1408 dependency('xenforeignmemory', required: false,
1409 method: 'pkg-config', kwargs: static_kwargs,
1411 dependency('xengnttab', required: false,
1412 method: 'pkg-config', kwargs: static_kwargs,
1414 dependency('xenevtchn', required: false,
1415 method: 'pkg-config', kwargs: static_kwargs,
1417 dependency('xendevicemodel', required: false,
1418 method: 'pkg-config', kwargs: static_kwargs,
1420 # optional, no "disabler: true"
1421 dependency('xentoolcore', required: false,
1422 method: 'pkg-config', kwargs: static_kwargs)])
1428 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' ]
1430 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435 '4.6.0': [ 'xenstore', 'xenctrl' ],
1436 '4.5.0': [ 'xenstore', 'xenctrl' ],
1437 '4.2.0': [ 'xenstore', 'xenctrl' ],
1440 foreach ver: xen_tests
1441 # cache the various library tests to avoid polluting the logs
1443 foreach l: xen_libs[ver]
1444 if l not in xen_deps
1445 xen_deps += { l: cc.find_library(l, required: false) }
1447 xen_test_deps += xen_deps[l]
1450 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451 xen_version = ver.split('.')
1452 xen_ctrl_version = xen_version[0] + \
1453 ('0' + xen_version[1]).substring(-2) + \
1454 ('0' + xen_version[2]).substring(-2)
1455 if cc.links(files('scripts/xen-detect.c'),
1456 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457 dependencies: xen_test_deps)
1458 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1464 accelerators += 'CONFIG_XEN'
1465 elif get_option('xen').enabled()
1466 error('could not compile and link Xen test program')
1469 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470 .require(xen.found(),
1471 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472 .require(targetos == 'linux',
1473 error_message: 'Xen PCI passthrough not available on this platform') \
1478 if not get_option('smartcard').auto() or have_system
1479 cacard = dependency('libcacard', required: get_option('smartcard'),
1480 version: '>=2.5.1', method: 'pkg-config',
1481 kwargs: static_kwargs)
1485 u2f = dependency('u2f-emu', required: get_option('u2f'),
1486 method: 'pkg-config',
1487 kwargs: static_kwargs)
1491 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492 method: 'pkg-config',
1493 kwargs: static_kwargs)
1495 usbredir = not_found
1496 if not get_option('usb_redir').auto() or have_system
1497 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498 version: '>=0.6', method: 'pkg-config',
1499 kwargs: static_kwargs)
1502 if not get_option('libusb').auto() or have_system
1503 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504 version: '>=1.0.13', method: 'pkg-config',
1505 kwargs: static_kwargs)
1509 if not get_option('libpmem').auto() or have_system
1510 libpmem = dependency('libpmem', required: get_option('libpmem'),
1511 method: 'pkg-config', kwargs: static_kwargs)
1513 libdaxctl = not_found
1514 if not get_option('libdaxctl').auto() or have_system
1515 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516 version: '>=57', method: 'pkg-config',
1517 kwargs: static_kwargs)
1521 tasn1 = dependency('libtasn1',
1522 method: 'pkg-config',
1523 kwargs: static_kwargs)
1525 keyutils = dependency('libkeyutils', required: false,
1526 method: 'pkg-config', kwargs: static_kwargs)
1528 has_gettid = cc.has_function('gettid')
1531 selinux = dependency('libselinux',
1532 required: get_option('selinux'),
1533 method: 'pkg-config', kwargs: static_kwargs)
1538 if get_option('malloc') == 'system'
1540 get_option('malloc_trim').allowed() and \
1541 cc.links('''#include <malloc.h>
1542 int main(void) { malloc_trim(0); return 0; }''')
1544 has_malloc_trim = false
1545 malloc = cc.find_library(get_option('malloc'), required: true)
1547 if not has_malloc_trim and get_option('malloc_trim').enabled()
1548 if get_option('malloc') == 'system'
1549 error('malloc_trim not available on this platform.')
1551 error('malloc_trim not available with non-libc memory allocator')
1555 # Check whether the glibc provides statx()
1557 gnu_source_prefix = '''
1562 statx_test = gnu_source_prefix + '''
1563 #include <sys/stat.h>
1565 struct statx statxbuf;
1566 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1570 has_statx = cc.links(statx_test)
1572 # Check whether statx() provides mount ID information
1574 statx_mnt_id_test = gnu_source_prefix + '''
1575 #include <sys/stat.h>
1577 struct statx statxbuf;
1578 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579 return statxbuf.stx_mnt_id;
1582 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1584 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585 .require(targetos == 'linux',
1586 error_message: 'vhost_user_blk_server requires linux') \
1587 .require(have_vhost_user,
1588 error_message: 'vhost_user_blk_server requires vhost-user support') \
1589 .disable_auto_if(not have_tools and not have_system) \
1592 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593 error('Cannot enable fuse-lseek while fuse is disabled')
1596 fuse = dependency('fuse3', required: get_option('fuse'),
1597 version: '>=3.1', method: 'pkg-config',
1598 kwargs: static_kwargs)
1600 fuse_lseek = not_found
1601 if get_option('fuse_lseek').allowed()
1602 if fuse.version().version_compare('>=3.8')
1604 fuse_lseek = declare_dependency()
1605 elif get_option('fuse_lseek').enabled()
1607 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1609 error('fuse-lseek requires libfuse, which was not found')
1614 have_libvduse = (targetos == 'linux')
1615 if get_option('libvduse').enabled()
1616 if targetos != 'linux'
1617 error('libvduse requires linux')
1619 elif get_option('libvduse').disabled()
1620 have_libvduse = false
1623 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624 if get_option('vduse_blk_export').enabled()
1625 if targetos != 'linux'
1626 error('vduse_blk_export requires linux')
1627 elif not have_libvduse
1628 error('vduse_blk_export requires libvduse support')
1630 elif get_option('vduse_blk_export').disabled()
1631 have_vduse_blk_export = false
1635 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636 if libbpf.found() and not cc.links('''
1637 #include <bpf/libbpf.h>
1640 bpf_object__destroy_skeleton(NULL);
1642 }''', dependencies: libbpf)
1644 if get_option('bpf').enabled()
1645 error('libbpf skeleton test failed')
1647 warning('libbpf skeleton test failed, disabling')
1652 libdw = dependency('libdw',
1653 method: 'pkg-config',
1654 kwargs: static_kwargs,
1661 audio_drivers_selected = []
1663 audio_drivers_available = {
1664 'alsa': alsa.found(),
1665 'coreaudio': coreaudio.found(),
1666 'dsound': dsound.found(),
1667 'jack': jack.found(),
1669 'pa': pulse.found(),
1671 'sndio': sndio.found(),
1673 foreach k, v: audio_drivers_available
1674 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1677 # Default to native drivers first, OSS second, SDL third
1678 audio_drivers_priority = \
1679 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680 (targetos == 'linux' ? [] : [ 'sdl' ])
1681 audio_drivers_default = []
1682 foreach k: audio_drivers_priority
1683 if audio_drivers_available[k]
1684 audio_drivers_default += k
1688 foreach k: get_option('audio_drv_list')
1690 audio_drivers_selected += audio_drivers_default
1691 elif not audio_drivers_available[k]
1692 error('Audio driver "@0@" not available.'.format(k))
1694 audio_drivers_selected += k
1698 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699 '"' + '", "'.join(audio_drivers_selected) + '", ')
1701 if get_option('cfi')
1703 # Check for dependency on LTO
1704 if not get_option('b_lto')
1705 error('Selected Control-Flow Integrity but LTO is disabled')
1707 if config_host.has_key('CONFIG_MODULES')
1708 error('Selected Control-Flow Integrity is not compatible with modules')
1710 # Check for cfi flags. CFI requires LTO so we can't use
1711 # get_supported_arguments, but need a more complex "compiles" which allows
1713 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714 args: ['-flto', '-fsanitize=cfi-icall'] )
1715 cfi_flags += '-fsanitize=cfi-icall'
1717 error('-fsanitize=cfi-icall is not supported by the compiler')
1719 if cc.compiles('int main () { return 0; }',
1720 name: '-fsanitize-cfi-icall-generalize-pointers',
1721 args: ['-flto', '-fsanitize=cfi-icall',
1722 '-fsanitize-cfi-icall-generalize-pointers'] )
1723 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1725 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1727 if get_option('cfi_debug')
1728 if cc.compiles('int main () { return 0; }',
1729 name: '-fno-sanitize-trap=cfi-icall',
1730 args: ['-flto', '-fsanitize=cfi-icall',
1731 '-fno-sanitize-trap=cfi-icall'] )
1732 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1734 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1737 add_global_arguments(cfi_flags, native: false, language: all_languages)
1738 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1741 have_host_block_device = (targetos != 'darwin' or
1742 cc.has_header('IOKit/storage/IOMedia.h'))
1744 dbus_display = get_option('dbus_display') \
1745 .require(gio.version().version_compare('>=2.64'),
1746 error_message: '-display dbus requires glib>=2.64') \
1747 .require(gdbus_codegen.found(),
1748 error_message: gdbus_codegen_error.format('-display dbus')) \
1749 .require(opengl.found() and gbm.found(),
1750 error_message: '-display dbus requires epoxy/egl and gbm') \
1753 have_virtfs = get_option('virtfs') \
1754 .require(targetos == 'linux' or targetos == 'darwin',
1755 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760 .disable_auto_if(not have_tools and not have_system) \
1763 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1765 if get_option('block_drv_ro_whitelist') == ''
1766 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1768 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1771 if get_option('block_drv_rw_whitelist') == ''
1772 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1774 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1778 foreach k : get_option('trace_backends')
1779 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1781 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1784 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1786 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1792 qemu_firmwarepath = ''
1793 foreach k : get_option('qemu_firmwarepath')
1794 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1796 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1798 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1805 if config_host.has_key('CONFIG_MODULES')
1806 config_host_data.set('CONFIG_STAMP', run_command(
1807 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808 meson.project_version(), get_option('pkgversion'), '--',
1809 meson.current_source_dir() / 'configure',
1810 capture: true, check: true).stdout().strip())
1813 have_slirp_smbd = get_option('slirp_smbd') \
1814 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1817 smbd_path = get_option('smbd')
1819 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1821 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1824 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1826 if get_option('module_upgrades') and not enable_modules
1827 error('Cannot enable module-upgrades as modules are not enabled')
1829 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1831 config_host_data.set('CONFIG_ATTR', libattr.found())
1832 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834 config_host_data.set('CONFIG_COCOA', cocoa.found())
1835 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838 config_host_data.set('CONFIG_LZO', lzo.found())
1839 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841 config_host_data.set('CONFIG_BLKIO', blkio.found())
1842 config_host_data.set('CONFIG_CURL', curl.found())
1843 config_host_data.set('CONFIG_CURSES', curses.found())
1844 config_host_data.set('CONFIG_GBM', gbm.found())
1845 config_host_data.set('CONFIG_GIO', gio.found())
1846 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847 if glusterfs.found()
1848 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1855 config_host_data.set('CONFIG_GTK', gtk.found())
1856 config_host_data.set('CONFIG_VTE', vte.found())
1857 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860 config_host_data.set('CONFIG_EBPF', libbpf.found())
1861 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868 config_host_data.set('CONFIG_NUMA', numa.found())
1870 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871 cc.has_function('numa_has_preferred_many',
1872 dependencies: numa))
1874 config_host_data.set('CONFIG_OPENGL', opengl.found())
1875 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876 config_host_data.set('CONFIG_RBD', rbd.found())
1877 config_host_data.set('CONFIG_RDMA', rdma.found())
1878 config_host_data.set('CONFIG_SDL', sdl.found())
1879 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1882 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1884 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885 config_host_data.set('CONFIG_TPM', have_tpm)
1886 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887 config_host_data.set('CONFIG_VDE', vde.found())
1888 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895 config_host_data.set('CONFIG_VMNET', vmnet.found())
1896 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898 config_host_data.set('CONFIG_PNG', png.found())
1899 config_host_data.set('CONFIG_VNC', vnc.found())
1900 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903 config_host_data.set('CONFIG_VTE', vte.found())
1904 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906 config_host_data.set('CONFIG_GETTID', has_gettid)
1907 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909 config_host_data.set('CONFIG_TASN1', tasn1.found())
1910 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911 config_host_data.set('CONFIG_NETTLE', nettle.found())
1912 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915 config_host_data.set('CONFIG_STATX', has_statx)
1916 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917 config_host_data.set('CONFIG_ZSTD', zstd.found())
1918 config_host_data.set('CONFIG_FUSE', fuse.found())
1919 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921 if spice_protocol.found()
1922 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1926 config_host_data.set('CONFIG_SPICE', spice.found())
1927 config_host_data.set('CONFIG_X11', x11.found())
1928 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930 config_host_data.set('CONFIG_SELINUX', selinux.found())
1931 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932 config_host_data.set('CONFIG_LIBDW', libdw.found())
1934 # protect from xen.version() having less than three components
1935 xen_version = xen.version().split('.') + ['0', '0']
1936 xen_ctrl_version = xen_version[0] + \
1937 ('0' + xen_version[1]).substring(-2) + \
1938 ('0' + xen_version[2]).substring(-2)
1939 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1941 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1946 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1949 have_coroutine_pool = get_option('coroutine_pool')
1950 if get_option('debug_stack_usage') and have_coroutine_pool
1951 message('Disabling coroutine pool to measure stack usage')
1952 have_coroutine_pool = false
1954 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1963 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972 if targetos == 'windows'
1973 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1977 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983 # Note that we need to specify prefix: here to avoid incorrectly
1984 # thinking that Windows has posix_memalign()
1985 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2003 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004 cc.has_function('rbd_namespace_exists',
2006 prefix: '#include <rbd/librbd.h>'))
2009 config_host_data.set('HAVE_IBV_ADVISE_MR',
2010 cc.has_function('ibv_advise_mr',
2012 prefix: '#include <infiniband/verbs.h>'))
2016 config_host_data.set('CONFIG_EPOLL_CREATE1',
2017 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2018 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2019 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2020 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2021 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2022 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2023 config_host_data.set('CONFIG_FIEMAP',
2024 cc.has_header('linux/fiemap.h') and
2025 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2026 config_host_data.set('CONFIG_GETRANDOM',
2027 cc.has_function('getrandom') and
2028 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2029 config_host_data.set('CONFIG_INOTIFY',
2030 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2031 config_host_data.set('CONFIG_INOTIFY1',
2032 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2033 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2034 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2035 config_host_data.set('CONFIG_RTNETLINK',
2036 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2037 config_host_data.set('CONFIG_SYSMACROS',
2038 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2039 config_host_data.set('HAVE_OPTRESET',
2040 cc.has_header_symbol('getopt.h', 'optreset'))
2041 config_host_data.set('HAVE_IPPROTO_MPTCP',
2042 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2045 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2046 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2047 prefix: '#include <signal.h>'))
2048 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2049 cc.has_member('struct stat', 'st_atim',
2050 prefix: '#include <sys/stat.h>'))
2053 config_host_data.set('CONFIG_IOVEC',
2054 cc.has_type('struct iovec',
2055 prefix: '#include <sys/uio.h>'))
2056 config_host_data.set('HAVE_UTMPX',
2057 cc.has_type('struct utmpx',
2058 prefix: '#include <utmpx.h>'))
2060 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2061 #include <sys/eventfd.h>
2062 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2063 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2066 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2067 return fdatasync(0);
2069 #error Not supported
2073 has_madvise = cc.links(gnu_source_prefix + '''
2074 #include <sys/types.h>
2075 #include <sys/mman.h>
2077 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2078 missing_madvise_proto = false
2080 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2081 # but forget to prototype it. In this case, has_madvise will be true (the
2082 # test program links despite a compile warning). To detect the
2083 # missing-prototype case, we try again with a definitely-bogus prototype.
2084 # This will only compile if the system headers don't provide the prototype;
2085 # otherwise the conflicting prototypes will cause a compiler error.
2086 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2087 #include <sys/types.h>
2088 #include <sys/mman.h>
2090 extern int madvise(int);
2091 int main(void) { return madvise(0); }''')
2093 config_host_data.set('CONFIG_MADVISE', has_madvise)
2094 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2096 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2097 #include <sys/mman.h>
2098 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2099 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2101 #if !defined(AT_EMPTY_PATH)
2102 # error missing definition
2104 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2106 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2107 #include <sys/mman.h>
2109 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2111 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2112 #include <pthread.h>
2114 static void *f(void *p) { return NULL; }
2118 pthread_create(&thread, 0, f, 0);
2119 pthread_setname_np(thread, "QEMU");
2121 }''', dependencies: threads))
2122 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2123 #include <pthread.h>
2125 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2129 pthread_create(&thread, 0, f, 0);
2131 }''', dependencies: threads))
2132 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2133 #include <pthread.h>
2138 pthread_condattr_t attr
2139 pthread_condattr_init(&attr);
2140 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2142 }''', dependencies: threads))
2143 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2144 #include <pthread.h>
2146 static void *f(void *p) { return NULL; }
2149 int setsize = CPU_ALLOC_SIZE(64);
2152 pthread_create(&thread, 0, f, 0);
2153 cpuset = CPU_ALLOC(64);
2154 CPU_ZERO_S(setsize, cpuset);
2155 pthread_setaffinity_np(thread, setsize, cpuset);
2156 pthread_getaffinity_np(thread, setsize, cpuset);
2159 }''', dependencies: threads))
2160 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2161 #include <sys/signalfd.h>
2163 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2164 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2172 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2173 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2177 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2178 #include <sys/mman.h>
2180 return mlockall(MCL_FUTURE);
2184 if get_option('l2tpv3').allowed() and have_system
2185 have_l2tpv3 = cc.has_type('struct mmsghdr',
2186 prefix: gnu_source_prefix + '''
2187 #include <sys/socket.h>
2188 #include <linux/ip.h>''')
2190 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2193 if get_option('netmap').allowed() and have_system
2194 have_netmap = cc.compiles('''
2195 #include <inttypes.h>
2197 #include <net/netmap.h>
2198 #include <net/netmap_user.h>
2199 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2202 int main(void) { return 0; }''')
2203 if not have_netmap and get_option('netmap').enabled()
2204 error('Netmap headers not available')
2207 config_host_data.set('CONFIG_NETMAP', have_netmap)
2209 # Work around a system header bug with some kernel/XFS header
2210 # versions where they both try to define 'struct fsxattr':
2211 # xfs headers will not try to redefine structs from linux headers
2212 # if this macro is set.
2213 config_host_data.set('HAVE_FSXATTR', cc.links('''
2214 #include <linux/fs.h>
2220 # Some versions of Mac OS X incorrectly define SIZE_MAX
2221 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2225 return printf("%zu", SIZE_MAX);
2226 }''', args: ['-Werror']))
2233 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2234 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2235 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2236 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2237 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2241 # See if 64-bit atomic operations are supported.
2242 # Note that without __atomic builtins, we can only
2243 # assume atomic loads/stores max at pointer size.
2244 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2246 has_int128 = cc.links('''
2256 config_host_data.set('CONFIG_INT128', has_int128)
2259 # "do we have 128-bit atomics which are handled inline and specifically not
2260 # via libatomic". The reason we can't use libatomic is documented in the
2261 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2262 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2264 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2266 if not has_atomic128
2267 has_cmpxchg128 = cc.links('''
2270 unsigned __int128 x = 0, y = 0;
2271 __sync_val_compare_and_swap_16(&x, y, x);
2276 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2280 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2281 #include <sys/auxv.h>
2283 return getauxval(AT_HWCAP) == 0;
2286 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2287 #include <linux/usbdevice_fs.h>
2289 #ifndef USBDEVFS_GET_CAPABILITIES
2290 #error "USBDEVFS_GET_CAPABILITIES undefined"
2293 #ifndef USBDEVFS_DISCONNECT_CLAIM
2294 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2297 int main(void) { return 0; }'''))
2299 have_keyring = get_option('keyring') \
2300 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2301 .require(cc.compiles('''
2303 #include <asm/unistd.h>
2304 #include <linux/keyctl.h>
2305 #include <sys/syscall.h>
2308 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2309 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2310 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2312 have_cpuid_h = cc.links('''
2315 unsigned a, b, c, d;
2316 unsigned max = __get_cpuid_max(0, 0);
2319 __cpuid(1, a, b, c, d);
2323 __cpuid_count(7, 0, a, b, c, d);
2328 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2330 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2331 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2332 .require(cc.links('''
2334 #include <immintrin.h>
2335 static int __attribute__((target("avx2"))) bar(void *a) {
2336 __m256i x = *(__m256i *)a;
2337 return _mm256_testz_si256(x, x);
2339 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2340 '''), error_message: 'AVX2 not available').allowed())
2342 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2343 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2344 .require(cc.links('''
2346 #include <immintrin.h>
2347 static int __attribute__((target("avx512f"))) bar(void *a) {
2348 __m512i x = *(__m512i *)a;
2349 return _mm512_test_epi64_mask(x, x);
2351 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2352 '''), error_message: 'AVX512F not available').allowed())
2354 have_pvrdma = get_option('pvrdma') \
2355 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2356 .require(cc.compiles(gnu_source_prefix + '''
2357 #include <sys/mman.h>
2362 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2365 }'''), error_message: 'PVRDMA requires mremap').allowed()
2368 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2369 #include <infiniband/verbs.h>
2373 struct ibv_pd *pd = NULL;
2379 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2385 if get_option('membarrier').disabled()
2386 have_membarrier = false
2387 elif targetos == 'windows'
2388 have_membarrier = true
2389 elif targetos == 'linux'
2390 have_membarrier = cc.compiles('''
2391 #include <linux/membarrier.h>
2392 #include <sys/syscall.h>
2396 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2397 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2401 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2402 .require(have_membarrier, error_message: 'membarrier system call not available') \
2405 have_afalg = get_option('crypto_afalg') \
2406 .require(cc.compiles(gnu_source_prefix + '''
2408 #include <sys/types.h>
2409 #include <sys/socket.h>
2410 #include <linux/if_alg.h>
2413 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2416 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2417 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2419 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2420 'linux/vm_sockets.h', 'AF_VSOCK',
2421 prefix: '#include <sys/socket.h>',
2425 have_vss_sdk = false # old xp/2003 SDK
2426 if targetos == 'windows' and link_language == 'cpp'
2427 have_vss = cxx.compiles('''
2428 #define __MIDL_user_allocate_free_DEFINED__
2430 int main(void) { return VSS_CTX_BACKUP; }''')
2431 have_vss_sdk = cxx.has_header('vscoordint.h')
2433 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2435 foreach k, v: config_host
2436 if k.startswith('CONFIG_')
2437 config_host_data.set(k, v == 'y' ? 1 : v)
2441 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2442 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2443 if targetos == 'windows'
2444 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2450 }''', name: '_lock_file and _unlock_file'))
2453 ########################
2454 # Target configuration #
2455 ########################
2457 minikconf = find_program('scripts/minikconf.py')
2459 config_all_devices = {}
2460 config_all_disas = {}
2461 config_devices_mak_list = []
2462 config_devices_h = {}
2463 config_target_h = {}
2464 config_target_mak = {}
2467 'alpha' : ['CONFIG_ALPHA_DIS'],
2468 'avr' : ['CONFIG_AVR_DIS'],
2469 'cris' : ['CONFIG_CRIS_DIS'],
2470 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2471 'hppa' : ['CONFIG_HPPA_DIS'],
2472 'i386' : ['CONFIG_I386_DIS'],
2473 'x86_64' : ['CONFIG_I386_DIS'],
2474 'm68k' : ['CONFIG_M68K_DIS'],
2475 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2476 'mips' : ['CONFIG_MIPS_DIS'],
2477 'nios2' : ['CONFIG_NIOS2_DIS'],
2478 'or1k' : ['CONFIG_OPENRISC_DIS'],
2479 'ppc' : ['CONFIG_PPC_DIS'],
2480 'riscv' : ['CONFIG_RISCV_DIS'],
2481 'rx' : ['CONFIG_RX_DIS'],
2482 's390' : ['CONFIG_S390_DIS'],
2483 'sh4' : ['CONFIG_SH4_DIS'],
2484 'sparc' : ['CONFIG_SPARC_DIS'],
2485 'xtensa' : ['CONFIG_XTENSA_DIS'],
2486 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2489 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2491 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2492 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2493 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2494 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2495 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2496 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2497 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2498 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2499 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2500 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2501 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2502 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2503 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2504 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2506 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2508 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2509 actual_target_dirs = []
2511 foreach target : target_dirs
2512 config_target = { 'TARGET_NAME': target.split('-')[0] }
2513 if target.endswith('linux-user')
2514 if targetos != 'linux'
2518 error('Target @0@ is only available on a Linux host'.format(target))
2520 config_target += { 'CONFIG_LINUX_USER': 'y' }
2521 elif target.endswith('bsd-user')
2522 if 'CONFIG_BSD' not in config_host
2526 error('Target @0@ is only available on a BSD host'.format(target))
2528 config_target += { 'CONFIG_BSD_USER': 'y' }
2529 elif target.endswith('softmmu')
2530 config_target += { 'CONFIG_SOFTMMU': 'y' }
2532 if target.endswith('-user')
2534 'CONFIG_USER_ONLY': 'y',
2535 'CONFIG_QEMU_INTERP_PREFIX':
2536 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2541 foreach sym: accelerators
2542 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2543 config_target += { sym: 'y' }
2544 config_all += { sym: 'y' }
2545 if target in modular_tcg
2546 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2548 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2550 accel_kconfig += [ sym + '=y' ]
2553 if accel_kconfig.length() == 0
2557 error('No accelerator available for target @0@'.format(target))
2560 actual_target_dirs += target
2561 config_target += keyval.load('configs/targets' / target + '.mak')
2562 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2564 if 'TARGET_NEED_FDT' in config_target
2565 fdt_required += target
2569 if 'TARGET_BASE_ARCH' not in config_target
2570 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2572 if 'TARGET_ABI_DIR' not in config_target
2573 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2575 if 'TARGET_BIG_ENDIAN' not in config_target
2576 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2579 foreach k, v: disassemblers
2580 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2582 config_target += { sym: 'y' }
2583 config_all_disas += { sym: 'y' }
2588 config_target_data = configuration_data()
2589 foreach k, v: config_target
2590 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2592 elif ignored.contains(k)
2594 elif k == 'TARGET_BASE_ARCH'
2595 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2596 # not used to select files from sourcesets.
2597 config_target_data.set('TARGET_' + v.to_upper(), 1)
2598 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2599 config_target_data.set_quoted(k, v)
2601 config_target_data.set(k, 1)
2603 config_target_data.set(k, 0)
2605 config_target_data.set(k, v)
2608 config_target_data.set('QEMU_ARCH',
2609 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2610 config_target_h += {target: configure_file(output: target + '-config-target.h',
2611 configuration: config_target_data)}
2613 if target.endswith('-softmmu')
2614 config_input = meson.get_external_property(target, 'default')
2615 config_devices_mak = target + '-config-devices.mak'
2616 config_devices_mak = configure_file(
2617 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2618 output: config_devices_mak,
2619 depfile: config_devices_mak + '.d',
2621 command: [minikconf,
2622 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2623 config_devices_mak, '@DEPFILE@', '@INPUT@',
2624 host_kconfig, accel_kconfig,
2625 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2627 config_devices_data = configuration_data()
2628 config_devices = keyval.load(config_devices_mak)
2629 foreach k, v: config_devices
2630 config_devices_data.set(k, 1)
2632 config_devices_mak_list += config_devices_mak
2633 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2634 configuration: config_devices_data)}
2635 config_target += config_devices
2636 config_all_devices += config_devices
2638 config_target_mak += {target: config_target}
2640 target_dirs = actual_target_dirs
2642 # This configuration is used to build files that are shared by
2643 # multiple binaries, and then extracted out of the "common"
2644 # static_library target.
2646 # We do not use all_sources()/all_dependencies(), because it would
2647 # build literally all source files, including devices only used by
2648 # targets that are not built for this compilation. The CONFIG_ALL
2649 # pseudo symbol replaces it.
2651 config_all += config_all_devices
2652 config_all += config_host
2653 config_all += config_all_disas
2655 'CONFIG_XEN': xen.found(),
2656 'CONFIG_SOFTMMU': have_system,
2657 'CONFIG_USER_ONLY': have_user,
2661 target_configs_h = []
2662 foreach target: target_dirs
2663 target_configs_h += config_target_h[target]
2664 target_configs_h += config_devices_h.get(target, [])
2666 genh += custom_target('config-poison.h',
2667 input: [target_configs_h],
2668 output: 'config-poison.h',
2670 command: [find_program('scripts/make-config-poison.sh'),
2677 capstone = not_found
2678 if not get_option('capstone').auto() or have_system or have_user
2679 capstone = dependency('capstone', version: '>=3.0.5',
2680 kwargs: static_kwargs, method: 'pkg-config',
2681 required: get_option('capstone'))
2683 # Some versions of capstone have broken pkg-config file
2684 # that reports a wrong -I path, causing the #include to
2685 # fail later. If the system has such a broken version
2687 if capstone.found() and not cc.compiles('#include <capstone.h>',
2688 dependencies: [capstone])
2689 capstone = not_found
2690 if get_option('capstone').enabled()
2691 error('capstone requested, but it does not appear to work')
2696 libvfio_user_dep = not_found
2697 if have_system and vfio_user_server_allowed
2698 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2700 if not have_internal
2701 error('libvfio-user source not found - please pull git submodule')
2704 libvfio_user_proj = subproject('libvfio-user')
2706 libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2708 libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2713 fdt_opt = get_option('fdt')
2714 if fdt_opt in ['enabled', 'auto', 'system']
2715 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2716 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2717 required: fdt_opt == 'system' or
2718 fdt_opt == 'enabled' and not have_internal)
2719 if fdt.found() and cc.links('''
2721 #include <libfdt_env.h>
2722 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2725 elif fdt_opt == 'system'
2726 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2728 fdt_opt = 'internal'
2730 fdt_opt = 'disabled'
2734 if fdt_opt == 'internal'
2737 'dtc/libfdt/fdt_ro.c',
2738 'dtc/libfdt/fdt_wip.c',
2739 'dtc/libfdt/fdt_sw.c',
2740 'dtc/libfdt/fdt_rw.c',
2741 'dtc/libfdt/fdt_strerror.c',
2742 'dtc/libfdt/fdt_empty_tree.c',
2743 'dtc/libfdt/fdt_addresses.c',
2744 'dtc/libfdt/fdt_overlay.c',
2745 'dtc/libfdt/fdt_check.c',
2748 fdt_inc = include_directories('dtc/libfdt')
2749 libfdt = static_library('fdt',
2750 build_by_default: false,
2752 include_directories: fdt_inc)
2753 fdt = declare_dependency(link_with: libfdt,
2754 include_directories: fdt_inc)
2757 fdt_opt = 'disabled'
2759 if not fdt.found() and fdt_required.length() > 0
2760 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2763 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2764 config_host_data.set('CONFIG_FDT', fdt.found())
2765 config_host_data.set('CONFIG_SLIRP', slirp.found())
2767 #####################
2768 # Generated sources #
2769 #####################
2771 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2773 hxtool = find_program('scripts/hxtool')
2774 shaderinclude = find_program('scripts/shaderinclude.py')
2775 qapi_gen = find_program('scripts/qapi-gen.py')
2776 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2777 meson.current_source_dir() / 'scripts/qapi/commands.py',
2778 meson.current_source_dir() / 'scripts/qapi/common.py',
2779 meson.current_source_dir() / 'scripts/qapi/error.py',
2780 meson.current_source_dir() / 'scripts/qapi/events.py',
2781 meson.current_source_dir() / 'scripts/qapi/expr.py',
2782 meson.current_source_dir() / 'scripts/qapi/gen.py',
2783 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2784 meson.current_source_dir() / 'scripts/qapi/parser.py',
2785 meson.current_source_dir() / 'scripts/qapi/schema.py',
2786 meson.current_source_dir() / 'scripts/qapi/source.py',
2787 meson.current_source_dir() / 'scripts/qapi/types.py',
2788 meson.current_source_dir() / 'scripts/qapi/visit.py',
2789 meson.current_source_dir() / 'scripts/qapi/common.py',
2790 meson.current_source_dir() / 'scripts/qapi-gen.py'
2794 python, files('scripts/tracetool.py'),
2795 '--backend=' + ','.join(get_option('trace_backends'))
2797 tracetool_depends = files(
2798 'scripts/tracetool/backend/log.py',
2799 'scripts/tracetool/backend/__init__.py',
2800 'scripts/tracetool/backend/dtrace.py',
2801 'scripts/tracetool/backend/ftrace.py',
2802 'scripts/tracetool/backend/simple.py',
2803 'scripts/tracetool/backend/syslog.py',
2804 'scripts/tracetool/backend/ust.py',
2805 'scripts/tracetool/format/ust_events_c.py',
2806 'scripts/tracetool/format/ust_events_h.py',
2807 'scripts/tracetool/format/__init__.py',
2808 'scripts/tracetool/format/d.py',
2809 'scripts/tracetool/format/simpletrace_stap.py',
2810 'scripts/tracetool/format/c.py',
2811 'scripts/tracetool/format/h.py',
2812 'scripts/tracetool/format/log_stap.py',
2813 'scripts/tracetool/format/stap.py',
2814 'scripts/tracetool/__init__.py',
2815 'scripts/tracetool/transform.py',
2816 'scripts/tracetool/vcpu.py'
2819 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2820 meson.current_source_dir(),
2821 get_option('pkgversion'), meson.project_version()]
2822 qemu_version = custom_target('qemu-version.h',
2823 output: 'qemu-version.h',
2824 command: qemu_version_cmd,
2826 build_by_default: true,
2827 build_always_stale: true)
2828 genh += qemu_version
2832 ['qemu-options.hx', 'qemu-options.def'],
2833 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2837 ['hmp-commands.hx', 'hmp-commands.h'],
2838 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2841 foreach d : hx_headers
2842 hxdep += custom_target(d[1],
2846 build_by_default: true, # to be removed when added to a target
2847 command: [hxtool, '-h', '@INPUT0@'])
2855 authz_ss = ss.source_set()
2856 blockdev_ss = ss.source_set()
2857 block_ss = ss.source_set()
2858 chardev_ss = ss.source_set()
2859 common_ss = ss.source_set()
2860 crypto_ss = ss.source_set()
2861 hwcore_ss = ss.source_set()
2862 io_ss = ss.source_set()
2863 qmp_ss = ss.source_set()
2864 qom_ss = ss.source_set()
2865 softmmu_ss = ss.source_set()
2866 specific_fuzz_ss = ss.source_set()
2867 specific_ss = ss.source_set()
2868 stub_ss = ss.source_set()
2869 trace_ss = ss.source_set()
2870 user_ss = ss.source_set()
2871 util_ss = ss.source_set()
2874 qtest_module_ss = ss.source_set()
2875 tcg_module_ss = ss.source_set()
2881 target_softmmu_arch = {}
2882 target_user_arch = {}
2888 # TODO: add each directory to the subdirs from its own meson.build, once
2890 trace_events_subdirs = [
2899 trace_events_subdirs += [ 'linux-user' ]
2902 trace_events_subdirs += [ 'bsd-user' ]
2905 trace_events_subdirs += [
2914 trace_events_subdirs += [
2928 'hw/block/dataplane',
2977 if have_system or have_user
2978 trace_events_subdirs += [
2996 vhost_user = not_found
2997 if targetos == 'linux' and have_vhost_user
2998 libvhost_user = subproject('libvhost-user')
2999 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3002 libvduse = not_found
3004 libvduse_proj = subproject('libvduse')
3005 libvduse = libvduse_proj.get_variable('libvduse_dep')
3008 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3009 # that is filled in by qapi/.
3024 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3025 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3028 qom_ss = qom_ss.apply(config_host, strict: false)
3029 libqom = static_library('qom', qom_ss.sources() + genh,
3030 dependencies: [qom_ss.dependencies()],
3032 qom = declare_dependency(link_whole: libqom)
3034 event_loop_base = files('event-loop-base.c')
3035 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3036 build_by_default: true)
3037 event_loop_base = declare_dependency(link_whole: event_loop_base,
3038 dependencies: [qom])
3040 stub_ss = stub_ss.apply(config_all, strict: false)
3042 util_ss.add_all(trace_ss)
3043 util_ss = util_ss.apply(config_all, strict: false)
3044 libqemuutil = static_library('qemuutil',
3045 sources: util_ss.sources() + stub_ss.sources() + genh,
3046 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3047 qemuutil = declare_dependency(link_with: libqemuutil,
3048 sources: genh + version_res,
3049 dependencies: [event_loop_base])
3051 if have_system or have_user
3052 decodetree = generator(find_program('scripts/decodetree.py'),
3053 output: 'decode-@BASENAME@.c.inc',
3054 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3055 subdir('libdecnumber')
3072 if config_host_data.get('CONFIG_REPLICATION')
3073 block_ss.add(files('replication.c'))
3080 blockdev_ss.add(files(
3087 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3088 # os-win32.c does not
3089 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3090 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3093 common_ss.add(files('cpus-common.c'))
3097 common_ss.add(capstone)
3098 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3100 # Work around a gcc bug/misfeature wherein constant propagation looks
3102 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3103 # to guess that a const variable is always zero. Without lto, this is
3104 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3105 # without lto, not even the alias is required -- we simply use different
3106 # declarations in different compilation units.
3107 pagevary = files('page-vary-common.c')
3108 if get_option('b_lto')
3109 pagevary_flags = ['-fno-lto']
3110 if get_option('cfi')
3111 pagevary_flags += '-fno-sanitize=cfi-icall'
3113 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3114 c_args: pagevary_flags)
3115 pagevary = declare_dependency(link_with: pagevary)
3117 common_ss.add(pagevary)
3118 specific_ss.add(files('page-vary.c'))
3126 subdir('semihosting')
3134 common_user_inc = []
3136 subdir('common-user')
3138 subdir('linux-user')
3140 # needed for fuzzing binaries
3141 subdir('tests/qtest/libqos')
3142 subdir('tests/qtest/fuzz')
3145 tcg_real_module_ss = ss.source_set()
3146 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3147 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3148 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3149 'tcg': tcg_real_module_ss }}
3151 ########################
3152 # Library dependencies #
3153 ########################
3155 modinfo_collect = find_program('scripts/modinfo-collect.py')
3156 modinfo_generate = find_program('scripts/modinfo-generate.py')
3161 foreach d, list : modules
3162 foreach m, module_ss : list
3163 if enable_modules and targetos != 'windows'
3164 module_ss = module_ss.apply(config_all, strict: false)
3165 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3166 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3172 if module_ss.sources() != []
3173 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3174 # input. Sources can be used multiple times but objects are
3175 # unique when it comes to lookup in compile_commands.json.
3176 # Depnds on a mesion version with
3177 # https://github.com/mesonbuild/meson/pull/8900
3178 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3179 output: d + '-' + m + '.modinfo',
3180 input: module_ss.sources() + genh,
3182 command: [modinfo_collect, module_ss.sources()])
3186 block_ss.add_all(module_ss)
3188 softmmu_ss.add_all(module_ss)
3194 foreach d, list : target_modules
3195 foreach m, module_ss : list
3196 if enable_modules and targetos != 'windows'
3197 foreach target : target_dirs
3198 if target.endswith('-softmmu')
3199 config_target = config_target_mak[target]
3200 config_target += config_host
3201 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3202 c_args = ['-DNEED_CPU_H',
3203 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3204 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3205 target_module_ss = module_ss.apply(config_target, strict: false)
3206 if target_module_ss.sources() != []
3207 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3208 sl = static_library(module_name,
3209 [genh, target_module_ss.sources()],
3210 dependencies: [modulecommon, target_module_ss.dependencies()],
3211 include_directories: target_inc,
3215 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3216 modinfo_files += custom_target(module_name + '.modinfo',
3217 output: module_name + '.modinfo',
3218 input: target_module_ss.sources() + genh,
3220 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3225 specific_ss.add_all(module_ss)
3231 foreach target : target_dirs
3232 if target.endswith('-softmmu')
3233 config_target = config_target_mak[target]
3234 config_devices_mak = target + '-config-devices.mak'
3235 modinfo_src = custom_target('modinfo-' + target + '.c',
3236 output: 'modinfo-' + target + '.c',
3237 input: modinfo_files,
3238 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3241 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3242 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3244 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3245 hw_arch[arch].add(modinfo_dep)
3250 nm = find_program('nm')
3251 undefsym = find_program('scripts/undefsym.py')
3252 block_syms = custom_target('block.syms', output: 'block.syms',
3253 input: [libqemuutil, block_mods],
3255 command: [undefsym, nm, '@INPUT@'])
3256 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3257 input: [libqemuutil, softmmu_mods],
3259 command: [undefsym, nm, '@INPUT@'])
3261 authz_ss = authz_ss.apply(config_host, strict: false)
3262 libauthz = static_library('authz', authz_ss.sources() + genh,
3263 dependencies: [authz_ss.dependencies()],
3265 build_by_default: false)
3267 authz = declare_dependency(link_whole: libauthz,
3270 crypto_ss = crypto_ss.apply(config_host, strict: false)
3271 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3272 dependencies: [crypto_ss.dependencies()],
3274 build_by_default: false)
3276 crypto = declare_dependency(link_whole: libcrypto,
3277 dependencies: [authz, qom])
3279 io_ss = io_ss.apply(config_host, strict: false)
3280 libio = static_library('io', io_ss.sources() + genh,
3281 dependencies: [io_ss.dependencies()],
3282 link_with: libqemuutil,
3284 build_by_default: false)
3286 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3288 libmigration = static_library('migration', sources: migration_files + genh,
3290 build_by_default: false)
3291 migration = declare_dependency(link_with: libmigration,
3292 dependencies: [zlib, qom, io])
3293 softmmu_ss.add(migration)
3295 block_ss = block_ss.apply(config_host, strict: false)
3296 libblock = static_library('block', block_ss.sources() + genh,
3297 dependencies: block_ss.dependencies(),
3298 link_depends: block_syms,
3300 build_by_default: false)
3302 block = declare_dependency(link_whole: [libblock],
3303 link_args: '@block.syms',
3304 dependencies: [crypto, io])
3306 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3307 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3308 dependencies: blockdev_ss.dependencies(),
3310 build_by_default: false)
3312 blockdev = declare_dependency(link_whole: [libblockdev],
3313 dependencies: [block, event_loop_base])
3315 qmp_ss = qmp_ss.apply(config_host, strict: false)
3316 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3317 dependencies: qmp_ss.dependencies(),
3319 build_by_default: false)
3321 qmp = declare_dependency(link_whole: [libqmp])
3323 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3325 dependencies: chardev_ss.dependencies(),
3326 build_by_default: false)
3328 chardev = declare_dependency(link_whole: libchardev)
3330 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3331 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3333 build_by_default: false)
3334 hwcore = declare_dependency(link_whole: libhwcore)
3335 common_ss.add(hwcore)
3341 emulator_modules = []
3342 foreach m : block_mods + softmmu_mods
3343 emulator_modules += shared_module(m.name(),
3344 build_by_default: true,
3348 install_dir: qemu_moddir)
3350 if emulator_modules.length() > 0
3351 alias_target('modules', emulator_modules)
3354 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355 common_ss.add(qom, qemuutil)
3357 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3360 common_all = common_ss.apply(config_all, strict: false)
3361 common_all = static_library('common',
3362 build_by_default: false,
3363 sources: common_all.sources() + genh,
3364 include_directories: common_user_inc,
3365 implicit_include_directories: false,
3366 dependencies: common_all.dependencies(),
3369 feature_to_c = find_program('scripts/feature_to_c.sh')
3371 if targetos == 'darwin'
3372 entitlement = find_program('scripts/entitlement.sh')
3376 foreach target : target_dirs
3377 config_target = config_target_mak[target]
3378 target_name = config_target['TARGET_NAME']
3379 target_base_arch = config_target['TARGET_BASE_ARCH']
3380 arch_srcs = [config_target_h[target]]
3382 c_args = ['-DNEED_CPU_H',
3383 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3384 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3385 link_args = emulator_link_args
3387 config_target += config_host
3388 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389 if targetos == 'linux'
3390 target_inc += include_directories('linux-headers', is_system: true)
3392 if target.endswith('-softmmu')
3393 target_type='system'
3394 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3395 arch_srcs += t.sources()
3396 arch_deps += t.dependencies()
3398 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3399 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3400 arch_srcs += hw.sources()
3401 arch_deps += hw.dependencies()
3403 arch_srcs += config_devices_h[target]
3404 link_args += ['@block.syms', '@qemu.syms']
3406 abi = config_target['TARGET_ABI_DIR']
3408 target_inc += common_user_inc
3409 if target_base_arch in target_user_arch
3410 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3411 arch_srcs += t.sources()
3412 arch_deps += t.dependencies()
3414 if 'CONFIG_LINUX_USER' in config_target
3415 base_dir = 'linux-user'
3417 if 'CONFIG_BSD_USER' in config_target
3418 base_dir = 'bsd-user'
3419 target_inc += include_directories('bsd-user/' / targetos)
3420 target_inc += include_directories('bsd-user/host/' / host_arch)
3421 dir = base_dir / abi
3422 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3424 target_inc += include_directories(
3428 if 'CONFIG_LINUX_USER' in config_target
3429 dir = base_dir / abi
3430 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3431 if config_target.has_key('TARGET_SYSTBL_ABI')
3433 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3434 extra_args : config_target['TARGET_SYSTBL_ABI'])
3439 if 'TARGET_XML_FILES' in config_target
3440 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3441 output: target + '-gdbstub-xml.c',
3442 input: files(config_target['TARGET_XML_FILES'].split()),
3443 command: [feature_to_c, '@INPUT@'],
3445 arch_srcs += gdbstub_xml
3448 t = target_arch[target_base_arch].apply(config_target, strict: false)
3449 arch_srcs += t.sources()
3450 arch_deps += t.dependencies()
3452 target_common = common_ss.apply(config_target, strict: false)
3453 objects = common_all.extract_objects(target_common.sources())
3454 deps = target_common.dependencies()
3456 target_specific = specific_ss.apply(config_target, strict: false)
3457 arch_srcs += target_specific.sources()
3458 arch_deps += target_specific.dependencies()
3460 lib = static_library('qemu-' + target,
3461 sources: arch_srcs + genh,
3462 dependencies: arch_deps,
3464 include_directories: target_inc,
3466 build_by_default: false,
3469 if target.endswith('-softmmu')
3471 'name': 'qemu-system-' + target_name,
3472 'win_subsystem': 'console',
3473 'sources': files('softmmu/main.c'),
3476 if targetos == 'windows' and (sdl.found() or gtk.found())
3478 'name': 'qemu-system-' + target_name + 'w',
3479 'win_subsystem': 'windows',
3480 'sources': files('softmmu/main.c'),
3484 if get_option('fuzzing')
3485 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3487 'name': 'qemu-fuzz-' + target_name,
3488 'win_subsystem': 'console',
3489 'sources': specific_fuzz.sources(),
3490 'dependencies': specific_fuzz.dependencies(),
3495 'name': 'qemu-' + target_name,
3496 'win_subsystem': 'console',
3502 exe_name = exe['name']
3503 if targetos == 'darwin'
3504 exe_name += '-unsigned'
3507 emulator = executable(exe_name, exe['sources'],
3510 dependencies: arch_deps + deps + exe['dependencies'],
3511 objects: lib.extract_all_objects(recursive: true),
3512 link_language: link_language,
3513 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3514 link_args: link_args,
3515 win_subsystem: exe['win_subsystem'])
3517 if targetos == 'darwin'
3518 icon = 'pc-bios/qemu.rsrc'
3519 build_input = [emulator, files(icon)]
3521 get_option('bindir') / exe_name,
3522 meson.current_source_dir() / icon
3524 if 'CONFIG_HVF' in config_target
3525 entitlements = 'accel/hvf/entitlements.plist'
3526 build_input += files(entitlements)
3527 install_input += meson.current_source_dir() / entitlements
3530 emulators += {exe['name'] : custom_target(exe['name'],
3532 output: exe['name'],
3533 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3536 meson.add_install_script(entitlement, '--install',
3537 get_option('bindir') / exe['name'],
3540 emulators += {exe['name']: emulator}
3545 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3546 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3547 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3548 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3550 custom_target(exe['name'] + stp['ext'],
3551 input: trace_events_all,
3552 output: exe['name'] + stp['ext'],
3553 install: stp['install'],
3554 install_dir: get_option('datadir') / 'systemtap/tapset',
3556 tracetool, '--group=all', '--format=' + stp['fmt'],
3557 '--binary=' + stp['bin'],
3558 '--target-name=' + target_name,
3559 '--target-type=' + target_type,
3560 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3561 '@INPUT@', '@OUTPUT@'
3563 depend_files: tracetool_depends)
3569 # Other build targets
3571 if 'CONFIG_PLUGIN' in config_host
3572 install_headers('include/qemu/qemu-plugin.h')
3577 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3578 # when we don't build tools or system
3579 if xkbcommon.found()
3580 # used for the update-keymaps target, so include rules even if !have_tools
3581 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3582 dependencies: [qemuutil, xkbcommon], install: have_tools)
3586 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3587 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3588 qemu_io = executable('qemu-io', files('qemu-io.c'),
3589 dependencies: [block, qemuutil], install: true)
3590 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3591 dependencies: [blockdev, qemuutil, gnutls, selinux],
3594 subdir('storage-daemon')
3595 subdir('contrib/rdmacm-mux')
3596 subdir('contrib/elf2dmp')
3598 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3599 dependencies: qemuutil,
3603 subdir('contrib/vhost-user-blk')
3604 subdir('contrib/vhost-user-gpu')
3605 subdir('contrib/vhost-user-input')
3606 subdir('contrib/vhost-user-scsi')
3609 if targetos == 'linux'
3610 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3611 dependencies: [qemuutil, libcap_ng],
3613 install_dir: get_option('libexecdir'))
3615 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3616 dependencies: [authz, crypto, io, qom, qemuutil,
3617 libcap_ng, mpathpersist],
3622 subdir('contrib/ivshmem-client')
3623 subdir('contrib/ivshmem-server')
3636 if host_machine.system() == 'windows'
3638 find_program('scripts/nsis.py'),
3640 get_option('prefix'),
3641 meson.current_source_dir(),
3642 config_host['GLIB_BINDIR'],
3645 '-DDISPLAYVERSION=' + meson.project_version(),
3648 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3651 nsis_cmd += '-DCONFIG_GTK=y'
3654 nsis = custom_target('nsis',
3655 output: 'qemu-setup-' + meson.project_version() + '.exe',
3656 input: files('qemu.nsi'),
3657 build_always_stale: true,
3658 command: nsis_cmd + ['@INPUT@'])
3659 alias_target('installer', nsis)
3662 #########################
3663 # Configuration summary #
3664 #########################
3668 summary_info += {'Install prefix': get_option('prefix')}
3669 summary_info += {'BIOS directory': qemu_datadir}
3670 pathsep = targetos == 'windows' ? ';' : ':'
3671 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3672 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3673 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674 summary_info += {'module directory': qemu_moddir}
3675 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3678 if targetos != 'windows'
3679 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3682 summary_info += {'local state directory': 'queried at runtime'}
3684 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3685 summary_info += {'Build directory': meson.current_build_dir()}
3686 summary_info += {'Source path': meson.current_source_dir()}
3687 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3688 summary(summary_info, bool_yn: true, section: 'Directories')
3692 summary_info += {'git': config_host['GIT']}
3693 summary_info += {'make': config_host['MAKE']}
3694 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695 summary_info += {'sphinx-build': sphinx_build}
3696 if config_host.has_key('HAVE_GDB_BIN')
3697 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3699 summary_info += {'iasl': iasl}
3700 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3701 if targetos == 'windows' and have_ga
3702 summary_info += {'wixl': wixl}
3704 if slirp.found() and have_system
3705 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3707 summary(summary_info, bool_yn: true, section: 'Host binaries')
3709 # Configurable features
3711 summary_info += {'Documentation': build_docs}
3712 summary_info += {'system-mode emulation': have_system}
3713 summary_info += {'user-mode emulation': have_user}
3714 summary_info += {'block layer': have_block}
3715 summary_info += {'Install blobs': get_option('install_blobs')}
3716 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3717 if config_host.has_key('CONFIG_MODULES')
3718 summary_info += {'alternative module path': get_option('module_upgrades')}
3720 summary_info += {'fuzzing support': get_option('fuzzing')}
3722 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3724 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3725 if 'simple' in get_option('trace_backends')
3726 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3728 summary_info += {'D-Bus display': dbus_display}
3729 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3730 summary_info += {'vhost-kernel support': have_vhost_kernel}
3731 summary_info += {'vhost-net support': have_vhost_net}
3732 summary_info += {'vhost-user support': have_vhost_user}
3733 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736 summary_info += {'build guest agent': have_ga}
3737 summary(summary_info, bool_yn: true, section: 'Configurable features')
3739 # Compilation information
3741 summary_info += {'host CPU': cpu}
3742 summary_info += {'host endianness': build_machine.endian()}
3743 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3744 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745 if link_language == 'cpp'
3746 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3748 summary_info += {'C++ compiler': false}
3750 if targetos == 'darwin'
3751 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3753 option_cflags = (get_option('debug') ? ['-g'] : [])
3754 if get_option('optimization') != 'plain'
3755 option_cflags += ['-O' + get_option('optimization')]
3757 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
3758 if link_language == 'cpp'
3759 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
3761 if targetos == 'darwin'
3762 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
3764 link_args = get_option(link_language + '_link_args')
3765 if link_args.length() > 0
3766 summary_info += {'LDFLAGS': ' '.join(link_args)}
3768 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3769 if 'cpp' in all_languages
3770 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3772 if 'objc' in all_languages
3773 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3775 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3776 summary_info += {'profiler': get_option('profiler')}
3777 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3778 summary_info += {'PIE': get_option('b_pie')}
3779 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3780 summary_info += {'malloc trim support': has_malloc_trim}
3781 summary_info += {'membarrier': have_membarrier}
3782 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3783 summary_info += {'mutex debugging': get_option('debug_mutex')}
3784 summary_info += {'memory allocator': get_option('malloc')}
3785 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3786 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3787 summary_info += {'gprof enabled': get_option('gprof')}
3788 summary_info += {'gcov': get_option('b_coverage')}
3789 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3790 summary_info += {'CFI support': get_option('cfi')}
3791 if get_option('cfi')
3792 summary_info += {'CFI debug support': get_option('cfi_debug')}
3794 summary_info += {'strip binaries': get_option('strip')}
3795 summary_info += {'sparse': sparse}
3796 summary_info += {'mingw32 support': targetos == 'windows'}
3797 summary(summary_info, bool_yn: true, section: 'Compilation')
3799 # snarf the cross-compilation information for tests
3802 foreach target: target_dirs
3803 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3804 if fs.exists(tcg_mak)
3805 config_cross_tcg = keyval.load(tcg_mak)
3806 if 'CC' in config_cross_tcg
3807 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3813 summary(summary_info, bool_yn: true, section: 'Cross compilers')
3816 # Targets and accelerators
3819 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3820 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3821 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3822 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3823 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3824 summary_info += {'Xen support': xen.found()}
3826 summary_info += {'xen ctrl version': xen.version()}
3829 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3830 if config_all.has_key('CONFIG_TCG')
3831 if get_option('tcg_interpreter')
3832 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3834 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3836 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3837 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3839 summary_info += {'target list': ' '.join(target_dirs)}
3841 summary_info += {'default devices': get_option('default_devices')}
3842 summary_info += {'out of process emulation': multiprocess_allowed}
3843 summary_info += {'vfio-user server': vfio_user_server_allowed}
3845 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3849 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3850 summary_info += {'coroutine pool': have_coroutine_pool}
3852 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3853 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3854 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3855 summary_info += {'VirtFS support': have_virtfs}
3856 summary_info += {'build virtiofs daemon': have_virtiofsd}
3857 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3858 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3859 summary_info += {'bochs support': get_option('bochs').allowed()}
3860 summary_info += {'cloop support': get_option('cloop').allowed()}
3861 summary_info += {'dmg support': get_option('dmg').allowed()}
3862 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3863 summary_info += {'vdi support': get_option('vdi').allowed()}
3864 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3865 summary_info += {'qed support': get_option('qed').allowed()}
3866 summary_info += {'parallels support': get_option('parallels').allowed()}
3867 summary_info += {'FUSE exports': fuse}
3868 summary_info += {'VDUSE block exports': have_vduse_blk_export}
3870 summary(summary_info, bool_yn: true, section: 'Block layer support')
3874 summary_info += {'TLS priority': get_option('tls_priority')}
3875 summary_info += {'GNUTLS support': gnutls}
3877 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3879 summary_info += {'libgcrypt': gcrypt}
3880 summary_info += {'nettle': nettle}
3882 summary_info += {' XTS': xts != 'private'}
3884 summary_info += {'AF_ALG support': have_afalg}
3885 summary_info += {'rng-none': get_option('rng_none')}
3886 summary_info += {'Linux keyring': have_keyring}
3887 summary(summary_info, bool_yn: true, section: 'Crypto')
3891 if targetos == 'darwin'
3892 summary_info += {'Cocoa support': cocoa}
3893 summary_info += {'vmnet.framework support': vmnet}
3895 summary_info += {'SDL support': sdl}
3896 summary_info += {'SDL image support': sdl_image}
3897 summary_info += {'GTK support': gtk}
3898 summary_info += {'pixman': pixman}
3899 summary_info += {'VTE support': vte}
3900 summary_info += {'slirp support': slirp}
3901 summary_info += {'libtasn1': tasn1}
3902 summary_info += {'PAM': pam}
3903 summary_info += {'iconv support': iconv}
3904 summary_info += {'curses support': curses}
3905 summary_info += {'virgl support': virgl}
3906 summary_info += {'blkio support': blkio}
3907 summary_info += {'curl support': curl}
3908 summary_info += {'Multipath support': mpathpersist}
3909 summary_info += {'PNG support': png}
3910 summary_info += {'VNC support': vnc}
3912 summary_info += {'VNC SASL support': sasl}
3913 summary_info += {'VNC JPEG support': jpeg}
3915 if targetos not in ['darwin', 'haiku', 'windows']
3916 summary_info += {'OSS support': oss}
3917 summary_info += {'sndio support': sndio}
3918 elif targetos == 'darwin'
3919 summary_info += {'CoreAudio support': coreaudio}
3920 elif targetos == 'windows'
3921 summary_info += {'DirectSound support': dsound}
3923 if targetos == 'linux'
3924 summary_info += {'ALSA support': alsa}
3925 summary_info += {'PulseAudio support': pulse}
3927 summary_info += {'JACK support': jack}
3928 summary_info += {'brlapi support': brlapi}
3929 summary_info += {'vde support': vde}
3930 summary_info += {'netmap support': have_netmap}
3931 summary_info += {'l2tpv3 support': have_l2tpv3}
3932 summary_info += {'Linux AIO support': libaio}
3933 summary_info += {'Linux io_uring support': linux_io_uring}
3934 summary_info += {'ATTR/XATTR support': libattr}
3935 summary_info += {'RDMA support': rdma}
3936 summary_info += {'PVRDMA support': have_pvrdma}
3937 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3938 summary_info += {'libcap-ng support': libcap_ng}
3939 summary_info += {'bpf support': libbpf}
3940 summary_info += {'spice protocol support': spice_protocol}
3941 if spice_protocol.found()
3942 summary_info += {' spice server support': spice}
3944 summary_info += {'rbd support': rbd}
3945 summary_info += {'smartcard support': cacard}
3946 summary_info += {'U2F support': u2f}
3947 summary_info += {'libusb': libusb}
3948 summary_info += {'usb net redir': usbredir}
3949 summary_info += {'OpenGL support (epoxy)': opengl}
3950 summary_info += {'GBM': gbm}
3951 summary_info += {'libiscsi support': libiscsi}
3952 summary_info += {'libnfs support': libnfs}
3953 if targetos == 'windows'
3955 summary_info += {'QGA VSS support': have_qga_vss}
3958 summary_info += {'seccomp support': seccomp}
3959 summary_info += {'GlusterFS support': glusterfs}
3960 summary_info += {'TPM support': have_tpm}
3961 summary_info += {'libssh support': libssh}
3962 summary_info += {'lzo support': lzo}
3963 summary_info += {'snappy support': snappy}
3964 summary_info += {'bzip2 support': libbzip2}
3965 summary_info += {'lzfse support': liblzfse}
3966 summary_info += {'zstd support': zstd}
3967 summary_info += {'NUMA host support': numa}
3968 summary_info += {'capstone': capstone}
3969 summary_info += {'libpmem support': libpmem}
3970 summary_info += {'libdaxctl support': libdaxctl}
3971 summary_info += {'libudev': libudev}
3972 # Dummy dependency, keep .found()
3973 summary_info += {'FUSE lseek': fuse_lseek.found()}
3974 summary_info += {'selinux': selinux}
3975 summary_info += {'libdw': libdw}
3976 summary(summary_info, bool_yn: true, section: 'Dependencies')
3978 if not supported_cpus.contains(cpu)
3980 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3982 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3983 message('The QEMU project intends to remove support for this host CPU in')
3984 message('a future release if nobody volunteers to maintain it and to')
3985 message('provide a build host for our continuous integration setup.')
3986 message('configure has succeeded and you can continue to build, but')
3987 message('if you care about QEMU on this platform you should contact')
3988 message('us upstream at qemu-devel@nongnu.org.')
3991 if not supported_oses.contains(targetos)
3993 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3995 message('Host OS ' + targetos + 'support is not currently maintained.')
3996 message('The QEMU project intends to remove support for this host OS in')
3997 message('a future release if nobody volunteers to maintain it and to')
3998 message('provide a build host for our continuous integration setup.')
3999 message('configure has succeeded and you can continue to build, but')
4000 message('if you care about QEMU on this platform you should contact')
4001 message('us upstream at qemu-devel@nongnu.org.')