1 project('qemu', ['c'], meson_version: '>=0.63.0',
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')
21 cc = meson.get_compiler('c')
23 if targetos == 'windows' and add_languages('cpp', required: false, native: false)
24 all_languages += ['cpp']
25 cxx = meson.get_compiler('cpp')
27 if targetos == 'darwin' and \
28 add_languages('objc', required: get_option('cocoa'), native: false)
29 all_languages += ['objc']
30 objc = meson.get_compiler('objc')
33 # Temporary directory used for files created while
34 # configure runs. Since it is in the build directory
35 # we can safely blow away any previous version of it
36 # (and we need not jump through hoops to try to delete
37 # it when configure exits.)
38 tmpdir = meson.current_build_dir() / 'meson-private/temp'
40 if get_option('qemu_suffix').startswith('/')
41 error('qemu_suffix cannot start with a /')
44 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
49 qemu_desktopdir = get_option('datadir') / 'applications'
50 qemu_icondir = get_option('datadir') / 'icons'
52 config_host_data = configuration_data()
54 qapi_trace_events = []
56 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 enable_modules = get_option('modules') \
82 .require(targetos != 'windows',
83 error_message: 'Modules are not available for Windows') \
84 .require(not get_option('prefer_static'),
85 error_message: 'Modules are incompatible with static linking') \
87 have_block = have_system or have_tools
89 python = import('python').find_installation()
91 if cpu not in supported_cpus
97 elif cpu in ['riscv32', 'riscv64']
103 if cpu in ['x86', 'x86_64']
104 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
105 elif cpu == 'aarch64'
106 kvm_targets = ['aarch64-softmmu']
108 kvm_targets = ['s390x-softmmu']
109 elif cpu in ['ppc', 'ppc64']
110 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
111 elif cpu in ['mips', 'mips64']
112 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
113 elif cpu in ['riscv32']
114 kvm_targets = ['riscv32-softmmu']
115 elif cpu in ['riscv64']
116 kvm_targets = ['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', 'aarch64-softmmu'],
141 if cpu in ['x86', 'x86_64']
142 accelerator_targets += {
143 'CONFIG_HVF': ['x86_64-softmmu'],
144 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
150 # Darwin does not support references to thread-local variables in modules
151 if targetos != 'darwin'
152 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
155 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
156 unpack_edk2_blobs = false
157 foreach target : edk2_targets
158 if target in target_dirs
159 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
160 unpack_edk2_blobs = bzip2.found()
167 if 'dtrace' in get_option('trace_backends')
168 dtrace = find_program('dtrace', required: true)
169 stap = find_program('stap', required: false)
171 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
172 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
173 # instead. QEMU --enable-modules depends on this because the SystemTap
174 # semaphores are linked into the main binary and not the module's shared
176 add_global_arguments('-DSTAP_SDT_V2',
177 native: false, language: all_languages)
181 if get_option('iasl') == ''
182 iasl = find_program('iasl', required: false)
184 iasl = find_program(get_option('iasl'), required: true)
191 foreach lang : all_languages
192 compiler = meson.get_compiler(lang)
193 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
195 elif compiler.get_id() == 'clang' and compiler.compiles('''
196 #ifdef __apple_build_version__
197 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
198 # error You need at least XCode Clang v12.0 to compile QEMU
201 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
202 # error You need at least Clang v10.0 to compile QEMU
207 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
211 # default flags for all hosts
212 # We use -fwrapv to tell the compiler that we require a C dialect where
213 # left shift of signed integers is well defined and has the expected
214 # 2s-complement style results. (Both clang and gcc agree that it
215 # provides these semantics.)
217 qemu_common_flags = [
218 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
219 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
223 if targetos == 'darwin'
224 # Disable attempts to use ObjectiveC features in os/object.h since they
225 # won't work when we're compiling with gcc as a C compiler.
226 if compiler.get_id() == 'gcc'
227 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'sunos'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('prefer_static')
258 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
261 # Meson currently only handles pie as a boolean for now, so if the user
262 # has explicitly disabled PIE we need to extend our cflags.
264 # -no-pie is supposedly a linker flag that has no effect on the compiler
265 # command line, but some distros, that didn't quite know what they were
266 # doing, made local changes to gcc's specs file that turned it into
267 # a compiler command-line flag.
269 # What about linker flags? For a static build, no PIE is implied by -static
270 # which we added above (and if it's not because of the same specs patching,
271 # there's nothing we can do: compilation will fail, report a bug to your
272 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
273 # instead, we can't add -no-pie because it overrides -shared: the linker then
274 # tries to build an executable instead of a shared library and fails. So
275 # don't add -no-pie anywhere and cross fingers. :(
276 if not get_option('b_pie')
277 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
280 if not get_option('stack_protector').disabled()
281 stack_protector_probe = '''
282 int main(int argc, char *argv[])
284 char arr[64], *p = arr, *c = argv[argc - 1];
290 have_stack_protector = false
291 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
292 # We need to check both a compile and a link, since some compiler
293 # setups fail only on a .c->.o compile and some only at link time
294 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
295 cc.links(stack_protector_probe, args: ['-Werror', arg])
296 have_stack_protector = true
302 get_option('stack_protector') \
303 .require(have_stack_protector, error_message: 'Stack protector not supported')
306 coroutine_backend = get_option('coroutine_backend')
308 #include <ucontext.h>
309 #ifdef __stub_makecontext
310 #error Ignoring glibc stub makecontext which will always fail
312 int main(void) { makecontext(0, 0, 0); return 0; }'''
314 # On Windows the only valid backend is the Windows specific one.
315 # For POSIX prefer ucontext, but it's not always possible. The fallback
317 supported_backends = []
318 if targetos == 'windows'
319 supported_backends += ['windows']
321 if targetos != 'darwin' and cc.links(ucontext_probe)
322 supported_backends += ['ucontext']
324 supported_backends += ['sigaltstack']
327 if coroutine_backend == 'auto'
328 coroutine_backend = supported_backends[0]
329 elif coroutine_backend not in supported_backends
330 error('"@0@" backend requested but not available. Available backends: @1@' \
331 .format(coroutine_backend, ', '.join(supported_backends)))
334 # Compiles if SafeStack *not* enabled
335 safe_stack_probe = '''
338 #if defined(__has_feature)
339 #if __has_feature(safe_stack)
340 #error SafeStack Enabled
345 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
346 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
347 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
348 error(get_option('safe_stack') \
349 ? 'SafeStack not supported by your compiler' \
350 : 'Cannot disable SafeStack')
352 qemu_cflags += safe_stack_arg
353 qemu_ldflags += safe_stack_arg
355 if get_option('safe_stack') and coroutine_backend != 'ucontext'
356 error('SafeStack is only supported with the ucontext coroutine backend')
359 if get_option('sanitizers')
360 if cc.has_argument('-fsanitize=address')
361 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
362 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
365 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
366 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
367 args: [qemu_ldflags, '-fsanitize=undefined'])
368 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
369 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
373 # Thread sanitizer is, for now, much noisier than the other sanitizers;
374 # keep it separate until that is not the case.
375 if get_option('tsan')
376 if get_option('sanitizers')
377 error('TSAN is not supported with other sanitizers')
379 if not cc.has_function('__tsan_create_fiber',
380 args: '-fsanitize=thread',
381 prefix: '#include <sanitizer/tsan_interface.h>')
382 error('Cannot enable TSAN due to missing fiber annotation interface')
384 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
385 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
388 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
389 # The combination is known as "full relro", because .got.plt is read-only too.
390 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
392 if targetos == 'windows'
393 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
394 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
397 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
398 if targetos != 'sunos' and not get_option('tsan')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
402 if get_option('fuzzing')
403 # Specify a filter to only instrument code that is directly related to
405 configure_file(output: 'instrumentation-filter',
406 input: 'scripts/oss-fuzz/instrumentation-filter-template',
409 if cc.compiles('int main () { return 0; }',
410 name: '-fsanitize-coverage-allowlist=/dev/null',
411 args: ['-fsanitize-coverage-allowlist=/dev/null',
412 '-fsanitize-coverage=trace-pc'] )
413 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
416 if get_option('fuzzing_engine') == ''
417 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
418 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
419 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
420 # unable to bind the fuzzer-related callbacks added by instrumentation.
421 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
422 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
423 # For the actual fuzzer binaries, we need to link against the libfuzzer
424 # library. They need to be configurable, to support OSS-Fuzz
425 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
427 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
428 # the needed CFLAGS have already been provided
429 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
433 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
434 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
436 # Collect warnings that we want to enable
441 '-Wmissing-prototypes',
442 '-Wstrict-prototypes',
444 '-Wold-style-declaration',
445 '-Wold-style-definition',
450 '-Wignored-qualifiers',
454 '-Wexpansion-to-defined',
455 '-Wimplicit-fallthrough=2',
456 '-Wmissing-format-attribute',
457 '-Wno-initializer-overrides',
458 '-Wno-missing-include-dirs',
459 '-Wno-shift-negative-value',
460 '-Wno-string-plus-int',
461 '-Wno-typedef-redefinition',
462 '-Wno-tautological-type-limit-compare',
464 '-Wno-gnu-variable-sized-type-not-at-end',
467 if targetos != 'darwin'
468 warn_flags += ['-Wthread-safety']
471 # Set up C++ compiler flags
473 if 'cpp' in all_languages
474 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
477 add_project_arguments(qemu_cflags, native: false, language: 'c')
478 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
479 if 'cpp' in all_languages
480 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
481 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
483 if 'objc' in all_languages
484 # Note sanitizer flags are not applied to Objective-C sources!
485 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
487 if targetos == 'linux'
488 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
489 '-isystem', 'linux-headers',
490 language: all_languages)
493 add_project_arguments('-iquote', '.',
494 '-iquote', meson.current_source_dir(),
495 '-iquote', meson.current_source_dir() / 'include',
496 language: all_languages)
498 # If a host-specific include directory exists, list that first...
499 host_include = meson.current_source_dir() / 'host/include/'
500 if fs.is_dir(host_include / host_arch)
501 add_project_arguments('-iquote', host_include / host_arch,
502 language: all_languages)
504 # ... followed by the generic fallback.
505 add_project_arguments('-iquote', host_include / 'generic',
506 language: all_languages)
508 sparse = find_program('cgcc', required: get_option('sparse'))
511 command: [find_program('scripts/check_sparse.py'),
512 'compile_commands.json', sparse.full_path(), '-Wbitwise',
513 '-Wno-transparent-union', '-Wno-old-initializer',
514 '-Wno-non-pointer-null'])
517 ###########################################
518 # Target-specific checks and dependencies #
519 ###########################################
522 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
525 #include <sys/types.h>
526 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
527 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
529 args: ['-Werror', '-fsanitize=fuzzer'])
530 error('Your compiler does not support -fsanitize=fuzzer')
534 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
535 error('ftrace is supported only on Linux')
537 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
540 openlog("qemu", LOG_PID, LOG_DAEMON);
541 syslog(LOG_INFO, "configure");
544 error('syslog is not supported on this system')
547 # Miscellaneous Linux-only features
548 get_option('mpath') \
549 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
551 multiprocess_allowed = get_option('multiprocess') \
552 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
555 vfio_user_server_allowed = get_option('vfio_user_server') \
556 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
559 have_tpm = get_option('tpm') \
560 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
564 have_vhost_user = get_option('vhost_user') \
565 .disable_auto_if(targetos != 'linux') \
566 .require(targetos != 'windows',
567 error_message: 'vhost-user is not available on Windows').allowed()
568 have_vhost_vdpa = get_option('vhost_vdpa') \
569 .require(targetos == 'linux',
570 error_message: 'vhost-vdpa is only available on Linux').allowed()
571 have_vhost_kernel = get_option('vhost_kernel') \
572 .require(targetos == 'linux',
573 error_message: 'vhost-kernel is only available on Linux').allowed()
574 have_vhost_user_crypto = get_option('vhost_crypto') \
575 .require(have_vhost_user,
576 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
578 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
580 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
581 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
582 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
583 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
585 # Target-specific libraries and flags
586 libm = cc.find_library('m', required: false)
587 threads = dependency('threads')
588 util = cc.find_library('util', required: false)
594 emulator_link_args = []
601 if targetos == 'windows'
602 midl = find_program('midl', required: false)
603 widl = find_program('widl', required: false)
604 pathcch = cc.find_library('pathcch')
605 socket = cc.find_library('ws2_32')
606 winmm = cc.find_library('winmm')
608 win = import('windows')
609 version_res = win.compile_resources('version.rc',
610 depend_files: files('pc-bios/qemu-nsis.ico'),
611 include_directories: include_directories('.'))
613 elif targetos == 'darwin'
614 coref = dependency('appleframeworks', modules: 'CoreFoundation')
615 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
616 host_dsosuf = '.dylib'
617 elif targetos == 'sunos'
618 socket = [cc.find_library('socket'),
619 cc.find_library('nsl'),
620 cc.find_library('resolv')]
621 elif targetos == 'haiku'
622 socket = [cc.find_library('posix_error_mapper'),
623 cc.find_library('network'),
624 cc.find_library('bsd')]
625 elif targetos == 'openbsd'
626 if get_option('tcg').allowed() and target_dirs.length() > 0
627 # Disable OpenBSD W^X if available
628 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
632 # Target-specific configuration of accelerators
634 if get_option('kvm').allowed() and targetos == 'linux'
635 accelerators += 'CONFIG_KVM'
637 if get_option('whpx').allowed() and targetos == 'windows'
638 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
639 error('WHPX requires 64-bit host')
640 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
641 cc.has_header('winhvemulation.h', required: get_option('whpx'))
642 accelerators += 'CONFIG_WHPX'
645 if get_option('hvf').allowed()
646 hvf = dependency('appleframeworks', modules: 'Hypervisor',
647 required: get_option('hvf'))
649 accelerators += 'CONFIG_HVF'
652 if targetos == 'netbsd'
653 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
655 accelerators += 'CONFIG_NVMM'
660 if get_option('tcg').allowed()
661 if host_arch == 'unknown'
662 if not get_option('tcg_interpreter')
663 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
665 elif get_option('tcg_interpreter')
666 warning('Use of the TCG interpreter is not recommended on this host')
667 warning('architecture. There is a native TCG execution backend available')
668 warning('which provides substantially better performance and reliability.')
669 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
670 warning('configuration option on this architecture to use the native')
673 if get_option('tcg_interpreter')
675 elif host_arch == 'x86_64'
677 elif host_arch == 'ppc64'
680 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
681 language: all_languages)
683 accelerators += 'CONFIG_TCG'
686 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
687 error('KVM not available on this platform')
689 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
690 error('HVF not available on this platform')
692 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
693 error('NVMM not available on this platform')
695 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
696 error('WHPX not available on this platform')
703 # When bumping glib minimum version, please check also whether to increase
704 # the _WIN32_WINNT setting in osdep.h according to the value from glib
705 glib_req_ver = '>=2.56.0'
706 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
707 method: 'pkg-config')
710 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
711 method: 'pkg-config')
712 elif get_option('plugins')
713 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
714 method: 'pkg-config')
719 # This workaround is required due to a bug in pkg-config file for glib as it
720 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
721 if targetos == 'windows' and get_option('prefer_static')
722 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
725 # Sanity check that the current size_t matches the
726 # size that glib thinks it should be. This catches
727 # problems on multi-arch where people try to build
728 # 32-bit QEMU while pointing at 64-bit glib headers
730 if not cc.compiles('''
734 #define QEMU_BUILD_BUG_ON(x) \
735 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
738 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
740 }''', dependencies: glib_pc, args: glib_cflags)
741 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
742 You probably need to set PKG_CONFIG_LIBDIR" to point
743 to the right pkg-config files for your build target.''')
746 # Silence clang warnings triggered by glib < 2.57.2
747 if not cc.compiles('''
752 static void foo_free(Foo *f)
756 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
757 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
758 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
760 glib = declare_dependency(dependencies: [glib_pc, gmodule],
761 compile_args: glib_cflags,
762 version: glib_pc.version())
764 # Check whether glib has gslice, which we have to avoid for correctness.
765 # TODO: remove this check and the corresponding workaround (qtree) when
766 # the minimum supported glib is >= 2.75.3
767 glib_has_gslice = glib.version().version_compare('<2.75.3')
769 # override glib dep to include the above refinements
770 meson.override_dependency('glib-2.0', glib)
772 # The path to glib.h is added to all compilation commands.
773 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
774 native: false, language: all_languages)
777 gdbus_codegen = not_found
778 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
779 if not get_option('gio').auto() or have_system
780 gio = dependency('gio-2.0', required: get_option('gio'),
781 method: 'pkg-config')
782 if gio.found() and not cc.links('''
786 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
788 }''', dependencies: [glib, gio])
789 if get_option('gio').enabled()
790 error('The installed libgio is broken for static linking')
795 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
796 required: get_option('gio'))
797 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
798 method: 'pkg-config')
799 gio = declare_dependency(dependencies: [gio, gio_unix],
800 version: gio.version())
803 if gdbus_codegen.found() and get_option('cfi')
804 gdbus_codegen = not_found
805 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
808 xml_pp = find_program('scripts/xml-preprocess.py')
811 if 'ust' in get_option('trace_backends')
812 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
813 method: 'pkg-config')
816 if not get_option('pixman').auto() or have_system or have_tools
817 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
818 method: 'pkg-config')
821 zlib = dependency('zlib', required: true)
824 if not get_option('linux_aio').auto() or have_block
825 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
826 required: get_option('linux_aio'))
829 linux_io_uring_test = '''
830 #include <liburing.h>
831 #include <linux/errqueue.h>
833 int main(void) { return 0; }'''
835 linux_io_uring = not_found
836 if not get_option('linux_io_uring').auto() or have_block
837 linux_io_uring = dependency('liburing', version: '>=0.3',
838 required: get_option('linux_io_uring'),
839 method: 'pkg-config')
840 if not cc.links(linux_io_uring_test)
841 linux_io_uring = not_found
846 if not get_option('libnfs').auto() or have_block
847 libnfs = dependency('libnfs', version: '>=1.9.3',
848 required: get_option('libnfs'),
849 method: 'pkg-config')
854 #include <sys/types.h>
855 #ifdef CONFIG_LIBATTR
856 #include <attr/xattr.h>
858 #include <sys/xattr.h>
860 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
863 have_old_libattr = false
864 if get_option('attr').allowed()
865 if cc.links(libattr_test)
866 libattr = declare_dependency()
868 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
869 required: get_option('attr'))
870 if libattr.found() and not \
871 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
873 if get_option('attr').enabled()
874 error('could not link libattr')
876 warning('could not link libattr, disabling')
879 have_old_libattr = libattr.found()
884 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
885 required: get_option('cocoa'))
887 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
888 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
889 'VMNET_BRIDGED_MODE',
892 if get_option('vmnet').enabled()
893 error('vmnet.framework API is outdated')
895 warning('vmnet.framework API is outdated, disabling')
900 seccomp_has_sysrawrc = false
901 if not get_option('seccomp').auto() or have_system or have_tools
902 seccomp = dependency('libseccomp', version: '>=2.3.0',
903 required: get_option('seccomp'),
904 method: 'pkg-config')
906 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
907 'SCMP_FLTATR_API_SYSRAWRC',
908 dependencies: seccomp)
912 libcap_ng = not_found
913 if not get_option('cap_ng').auto() or have_system or have_tools
914 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
915 required: get_option('cap_ng'))
917 if libcap_ng.found() and not cc.links('''
921 capng_capability_to_name(CAPNG_EFFECTIVE);
923 }''', dependencies: libcap_ng)
924 libcap_ng = not_found
925 if get_option('cap_ng').enabled()
926 error('could not link libcap-ng')
928 warning('could not link libcap-ng, disabling')
932 if get_option('xkbcommon').auto() and not have_system and not have_tools
933 xkbcommon = not_found
935 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
936 method: 'pkg-config')
940 if not get_option('slirp').auto() or have_system
941 slirp = dependency('slirp', required: get_option('slirp'),
942 method: 'pkg-config')
943 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
944 # it passes function pointers within libslirp as callbacks for timers.
945 # When using a system-wide shared libslirp, the type information for the
946 # callback is missing and the timer call produces a false positive with CFI.
947 # Do not use the "version" keyword argument to produce a better error.
948 # with control-flow integrity.
949 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
950 if get_option('slirp').enabled()
951 error('Control-Flow Integrity requires libslirp 4.7.')
953 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
960 if not get_option('vde').auto() or have_system or have_tools
961 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
962 required: get_option('vde'))
964 if vde.found() and not cc.links('''
965 #include <libvdeplug.h>
968 struct vde_open_args a = {0, 0, 0};
972 }''', dependencies: vde)
974 if get_option('cap_ng').enabled()
975 error('could not link libvdeplug')
977 warning('could not link libvdeplug, disabling')
982 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
983 pulse = dependency('libpulse', required: get_option('pa'),
984 method: 'pkg-config')
987 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
988 alsa = dependency('alsa', required: get_option('alsa'),
989 method: 'pkg-config')
992 if not get_option('jack').auto() or have_system
993 jack = dependency('jack', required: get_option('jack'),
994 method: 'pkg-config')
997 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
998 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
999 required: get_option('pipewire'),
1000 method: 'pkg-config')
1003 if not get_option('sndio').auto() or have_system
1004 sndio = dependency('sndio', required: get_option('sndio'),
1005 method: 'pkg-config')
1008 spice_protocol = not_found
1009 if not get_option('spice_protocol').auto() or have_system
1010 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1011 required: get_option('spice_protocol'),
1012 method: 'pkg-config')
1015 if get_option('spice') \
1016 .disable_auto_if(not have_system) \
1017 .require(pixman.found(),
1018 error_message: 'cannot enable SPICE if pixman is not available') \
1020 spice = dependency('spice-server', version: '>=0.14.0',
1021 required: get_option('spice'),
1022 method: 'pkg-config')
1024 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1026 rt = cc.find_library('rt', required: false)
1028 libiscsi = not_found
1029 if not get_option('libiscsi').auto() or have_block
1030 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1031 required: get_option('libiscsi'),
1032 method: 'pkg-config')
1035 if not get_option('zstd').auto() or have_block
1036 zstd = dependency('libzstd', version: '>=1.4.0',
1037 required: get_option('zstd'),
1038 method: 'pkg-config')
1042 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1043 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1044 virgl = dependency('virglrenderer',
1045 method: 'pkg-config',
1046 required: get_option('virglrenderer'))
1048 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1049 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1050 prefix: '#include <virglrenderer.h>',
1051 dependencies: virgl))
1054 rutabaga = not_found
1055 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1056 rutabaga = dependency('rutabaga_gfx_ffi',
1057 method: 'pkg-config',
1058 required: get_option('rutabaga_gfx'))
1061 if not get_option('blkio').auto() or have_block
1062 blkio = dependency('blkio',
1063 method: 'pkg-config',
1064 required: get_option('blkio'))
1067 if not get_option('curl').auto() or have_block
1068 curl = dependency('libcurl', version: '>=7.29.0',
1069 method: 'pkg-config',
1070 required: get_option('curl'))
1073 if targetos == 'linux' and (have_system or have_tools)
1074 libudev = dependency('libudev',
1075 method: 'pkg-config',
1076 required: get_option('libudev'))
1079 mpathlibs = [libudev]
1080 mpathpersist = not_found
1081 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1082 mpath_test_source = '''
1083 #include <libudev.h>
1084 #include <mpath_persist.h>
1085 unsigned mpath_mx_alloc_len = 1024;
1087 static struct config *multipath_conf;
1088 extern struct udev *udev;
1089 extern struct config *get_multipath_config(void);
1090 extern void put_multipath_config(struct config *conf);
1092 struct config *get_multipath_config(void) { return multipath_conf; }
1093 void put_multipath_config(struct config *conf) { }
1096 multipath_conf = mpath_lib_init();
1099 libmpathpersist = cc.find_library('mpathpersist',
1100 required: get_option('mpath'))
1101 if libmpathpersist.found()
1102 mpathlibs += libmpathpersist
1103 if get_option('prefer_static')
1104 mpathlibs += cc.find_library('devmapper',
1105 required: get_option('mpath'))
1107 mpathlibs += cc.find_library('multipath',
1108 required: get_option('mpath'))
1109 foreach lib: mpathlibs
1115 if mpathlibs.length() == 0
1116 msg = 'Dependencies missing for libmpathpersist'
1117 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1118 mpathpersist = declare_dependency(dependencies: mpathlibs)
1120 msg = 'Cannot detect libmpathpersist API'
1122 if not mpathpersist.found()
1123 if get_option('mpath').enabled()
1126 warning(msg + ', disabling')
1134 if have_system and get_option('curses').allowed()
1136 #if defined(__APPLE__) || defined(__OpenBSD__)
1137 #define _XOPEN_SOURCE_EXTENDED 1
1144 setlocale(LC_ALL, "");
1146 addwstr(L"wide chars\n");
1148 add_wch(WACS_DEGREE);
1152 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1153 curses = dependency(curses_dep_list,
1155 method: 'pkg-config')
1156 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1157 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1159 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1160 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1161 version: curses.version())
1163 msg = 'curses package not usable'
1167 if not curses.found()
1168 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1169 if targetos != 'windows' and not has_curses_h
1170 message('Trying with /usr/include/ncursesw')
1171 curses_compile_args += ['-I/usr/include/ncursesw']
1172 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1175 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1176 foreach curses_libname : curses_libname_list
1177 libcurses = cc.find_library(curses_libname,
1179 if libcurses.found()
1180 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1181 curses = declare_dependency(compile_args: curses_compile_args,
1182 dependencies: [libcurses])
1185 msg = 'curses library not usable'
1191 if get_option('iconv').allowed()
1192 foreach link_args : [ ['-liconv'], [] ]
1193 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1194 # We need to use libiconv if available because mixing libiconv's headers with
1195 # the system libc does not work.
1196 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1197 # included in the command line and libiconv will not be found.
1201 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1202 return conv != (iconv_t) -1;
1203 }''', args: link_args, dependencies: glib)
1204 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1209 if curses.found() and not iconv.found()
1210 if get_option('iconv').enabled()
1211 error('iconv not available')
1213 msg = 'iconv required for curses UI but not available'
1216 if not curses.found() and msg != ''
1217 if get_option('curses').enabled()
1220 warning(msg + ', disabling')
1226 if not get_option('brlapi').auto() or have_system
1227 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1228 required: get_option('brlapi'))
1229 if brlapi.found() and not cc.links('''
1232 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1234 if get_option('brlapi').enabled()
1235 error('could not link brlapi')
1237 warning('could not link brlapi, disabling')
1243 if not get_option('sdl').auto() or have_system
1244 sdl = dependency('sdl2', required: get_option('sdl'))
1245 sdl_image = not_found
1248 # Some versions of SDL have problems with -Wundef
1249 if not cc.compiles('''
1251 #include <SDL_syswm.h>
1252 int main(int argc, char *argv[]) { return 0; }
1253 ''', dependencies: sdl, args: '-Werror=undef')
1254 sdl = declare_dependency(compile_args: '-Wno-undef',
1256 version: sdl.version())
1258 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1259 method: 'pkg-config')
1261 if get_option('sdl_image').enabled()
1262 error('sdl-image required, but SDL was @0@'.format(
1263 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1265 sdl_image = not_found
1269 if not get_option('rbd').auto() or have_block
1270 librados = cc.find_library('rados', required: get_option('rbd'))
1271 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1272 required: get_option('rbd'))
1273 if librados.found() and librbd.found()
1276 #include <rbd/librbd.h>
1279 rados_create(&cluster, NULL);
1280 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1284 }''', dependencies: [librbd, librados])
1285 rbd = declare_dependency(dependencies: [librbd, librados])
1286 elif get_option('rbd').enabled()
1287 error('librbd >= 1.12.0 required')
1289 warning('librbd >= 1.12.0 not found, disabling')
1294 glusterfs = not_found
1295 glusterfs_ftruncate_has_stat = false
1296 glusterfs_iocb_has_stat = false
1297 if not get_option('glusterfs').auto() or have_block
1298 glusterfs = dependency('glusterfs-api', version: '>=3',
1299 required: get_option('glusterfs'),
1300 method: 'pkg-config')
1301 if glusterfs.found()
1302 glusterfs_ftruncate_has_stat = cc.links('''
1303 #include <glusterfs/api/glfs.h>
1308 /* new glfs_ftruncate() passes two additional args */
1309 return glfs_ftruncate(NULL, 0, NULL, NULL);
1311 ''', dependencies: glusterfs)
1312 glusterfs_iocb_has_stat = cc.links('''
1313 #include <glusterfs/api/glfs.h>
1315 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1317 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1323 glfs_io_cbk iocb = &glusterfs_iocb;
1324 iocb(NULL, 0 , NULL, NULL, NULL);
1327 ''', dependencies: glusterfs)
1332 if get_option('hv_balloon').allowed() and have_system
1335 #include <gmodule.h>
1339 tree = g_tree_new((GCompareFunc)strcmp);
1340 (void)g_tree_node_first(tree);
1341 g_tree_destroy(tree);
1344 ''', dependencies: glib)
1347 if get_option('hv_balloon').enabled()
1348 error('could not enable hv-balloon, update your glib')
1350 warning('could not find glib support for hv-balloon, disabling')
1356 if not get_option('libssh').auto() or have_block
1357 libssh = dependency('libssh', version: '>=0.8.7',
1358 method: 'pkg-config',
1359 required: get_option('libssh'))
1362 libbzip2 = not_found
1363 if not get_option('bzip2').auto() or have_block
1364 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1365 required: get_option('bzip2'))
1366 if libbzip2.found() and not cc.links('''
1368 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1369 libbzip2 = not_found
1370 if get_option('bzip2').enabled()
1371 error('could not link libbzip2')
1373 warning('could not link libbzip2, disabling')
1378 liblzfse = not_found
1379 if not get_option('lzfse').auto() or have_block
1380 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1381 required: get_option('lzfse'))
1383 if liblzfse.found() and not cc.links('''
1385 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1386 liblzfse = not_found
1387 if get_option('lzfse').enabled()
1388 error('could not link liblzfse')
1390 warning('could not link liblzfse, disabling')
1395 if get_option('oss').allowed() and have_system
1396 if not cc.has_header('sys/soundcard.h')
1398 elif targetos == 'netbsd'
1399 oss = cc.find_library('ossaudio', required: get_option('oss'))
1401 oss = declare_dependency()
1405 if get_option('oss').enabled()
1406 error('OSS not found')
1411 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1412 if cc.has_header('dsound.h')
1413 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1416 if not dsound.found()
1417 if get_option('dsound').enabled()
1418 error('DirectSound not found')
1423 coreaudio = not_found
1424 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1425 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1426 required: get_option('coreaudio'))
1430 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1431 epoxy = dependency('epoxy', method: 'pkg-config',
1432 required: get_option('opengl'))
1433 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1435 elif get_option('opengl').enabled()
1436 error('epoxy/egl.h not found')
1440 if (have_system or have_tools) and (virgl.found() or opengl.found())
1441 gbm = dependency('gbm', method: 'pkg-config', required: false)
1443 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1446 gnutls_crypto = not_found
1447 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1448 # For general TLS support our min gnutls matches
1449 # that implied by our platform support matrix
1451 # For the crypto backends, we look for a newer
1454 # Version 3.6.8 is needed to get XTS
1455 # Version 3.6.13 is needed to get PBKDF
1456 # Version 3.6.14 is needed to get HW accelerated XTS
1458 # If newer enough gnutls isn't available, we can
1459 # still use a different crypto backend to satisfy
1460 # the platform support requirements
1461 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1462 method: 'pkg-config',
1464 if gnutls_crypto.found()
1465 gnutls = gnutls_crypto
1467 # Our min version if all we need is TLS
1468 gnutls = dependency('gnutls', version: '>=3.5.18',
1469 method: 'pkg-config',
1470 required: get_option('gnutls'))
1474 # We prefer use of gnutls for crypto, unless the options
1475 # explicitly asked for nettle or gcrypt.
1477 # If gnutls isn't available for crypto, then we'll prefer
1478 # gcrypt over nettle for performance reasons.
1484 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1485 error('Only one of gcrypt & nettle can be enabled')
1488 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1489 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1490 gnutls_crypto = not_found
1493 if not gnutls_crypto.found()
1494 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1495 gcrypt = dependency('libgcrypt', version: '>=1.8',
1496 method: 'config-tool',
1497 required: get_option('gcrypt'))
1498 # Debian has removed -lgpg-error from libgcrypt-config
1499 # as it "spreads unnecessary dependencies" which in
1500 # turn breaks static builds...
1501 if gcrypt.found() and get_option('prefer_static')
1502 gcrypt = declare_dependency(dependencies:
1504 cc.find_library('gpg-error', required: true)],
1505 version: gcrypt.version())
1508 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1509 nettle = dependency('nettle', version: '>=3.4',
1510 method: 'pkg-config',
1511 required: get_option('nettle'))
1512 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1518 gmp = dependency('gmp', required: false, method: 'pkg-config')
1519 if nettle.found() and gmp.found()
1520 hogweed = dependency('hogweed', version: '>=3.4',
1521 method: 'pkg-config',
1522 required: get_option('nettle'))
1529 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1531 if get_option('gtk') \
1532 .disable_auto_if(not have_system) \
1533 .require(pixman.found(),
1534 error_message: 'cannot enable GTK if pixman is not available') \
1536 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1537 method: 'pkg-config',
1538 required: get_option('gtk'))
1540 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1541 method: 'pkg-config',
1543 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1544 version: gtk.version())
1546 if not get_option('vte').auto() or have_system
1547 vte = dependency('vte-2.91',
1548 method: 'pkg-config',
1549 required: get_option('vte'))
1551 elif have_gtk_clipboard
1552 error('GTK clipboard requested, but GTK not found')
1558 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1561 if get_option('png').allowed() and have_system
1562 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1563 method: 'pkg-config')
1568 if get_option('vnc') \
1569 .disable_auto_if(not have_system) \
1570 .require(pixman.found(),
1571 error_message: 'cannot enable VNC if pixman is not available') \
1573 vnc = declare_dependency() # dummy dependency
1574 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1575 method: 'pkg-config')
1576 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1577 required: get_option('vnc_sasl'))
1579 sasl = declare_dependency(dependencies: sasl,
1580 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1585 if not get_option('auth_pam').auto() or have_system
1586 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1587 required: get_option('auth_pam'))
1589 if pam.found() and not cc.links('''
1591 #include <security/pam_appl.h>
1593 const char *service_name = "qemu";
1594 const char *user = "frank";
1595 const struct pam_conv pam_conv = { 0 };
1596 pam_handle_t *pamh = NULL;
1597 pam_start(service_name, user, &pam_conv, &pamh);
1599 }''', dependencies: pam)
1601 if get_option('auth_pam').enabled()
1602 error('could not link libpam')
1604 warning('could not link libpam, disabling')
1609 if not get_option('snappy').auto() or have_system
1610 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1611 required: get_option('snappy'))
1613 if snappy.found() and not cc.links('''
1614 #include <snappy-c.h>
1615 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1617 if get_option('snappy').enabled()
1618 error('could not link libsnappy')
1620 warning('could not link libsnappy, disabling')
1625 if not get_option('lzo').auto() or have_system
1626 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1627 required: get_option('lzo'))
1629 if lzo.found() and not cc.links('''
1630 #include <lzo/lzo1x.h>
1631 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1633 if get_option('lzo').enabled()
1634 error('could not link liblzo2')
1636 warning('could not link liblzo2, disabling')
1641 if not get_option('numa').auto() or have_system or have_tools
1642 numa = cc.find_library('numa', has_headers: ['numa.h'],
1643 required: get_option('numa'))
1645 if numa.found() and not cc.links('''
1647 int main(void) { return numa_available(); }
1648 ''', dependencies: numa)
1650 if get_option('numa').enabled()
1651 error('could not link numa')
1653 warning('could not link numa, disabling')
1658 if not get_option('rdma').auto() or have_system
1659 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1660 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1661 required: get_option('rdma')),
1662 cc.find_library('ibverbs', required: get_option('rdma')),
1664 rdma = declare_dependency(dependencies: rdma_libs)
1665 foreach lib: rdma_libs
1673 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1674 xencontrol = dependency('xencontrol', required: false,
1675 method: 'pkg-config')
1676 if xencontrol.found()
1677 xen_pc = declare_dependency(version: xencontrol.version(),
1680 # disabler: true makes xen_pc.found() return false if any is not found
1681 dependency('xenstore', required: false,
1682 method: 'pkg-config',
1684 dependency('xenforeignmemory', required: false,
1685 method: 'pkg-config',
1687 dependency('xengnttab', required: false,
1688 method: 'pkg-config',
1690 dependency('xenevtchn', required: false,
1691 method: 'pkg-config',
1693 dependency('xendevicemodel', required: false,
1694 method: 'pkg-config',
1696 # optional, no "disabler: true"
1697 dependency('xentoolcore', required: false,
1698 method: 'pkg-config')])
1704 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1706 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1707 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1708 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1709 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1710 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1713 foreach ver: xen_tests
1714 # cache the various library tests to avoid polluting the logs
1716 foreach l: xen_libs[ver]
1717 if l not in xen_deps
1718 xen_deps += { l: cc.find_library(l, required: false) }
1720 xen_test_deps += xen_deps[l]
1723 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1724 xen_version = ver.split('.')
1725 xen_ctrl_version = xen_version[0] + \
1726 ('0' + xen_version[1]).substring(-2) + \
1727 ('0' + xen_version[2]).substring(-2)
1728 if cc.links(files('scripts/xen-detect.c'),
1729 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1730 dependencies: xen_test_deps)
1731 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1737 accelerators += 'CONFIG_XEN'
1738 elif get_option('xen').enabled()
1739 error('could not compile and link Xen test program')
1742 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1743 .require(xen.found(),
1744 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1745 .require(targetos == 'linux',
1746 error_message: 'Xen PCI passthrough not available on this platform') \
1747 .require(cpu == 'x86' or cpu == 'x86_64',
1748 error_message: 'Xen PCI passthrough not available on this platform') \
1753 if not get_option('smartcard').auto() or have_system
1754 cacard = dependency('libcacard', required: get_option('smartcard'),
1755 version: '>=2.5.1', method: 'pkg-config')
1759 u2f = dependency('u2f-emu', required: get_option('u2f'),
1760 method: 'pkg-config')
1764 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1765 method: 'pkg-config')
1767 usbredir = not_found
1768 if not get_option('usb_redir').auto() or have_system
1769 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1770 version: '>=0.6', method: 'pkg-config')
1773 if not get_option('libusb').auto() or have_system
1774 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1775 version: '>=1.0.13', method: 'pkg-config')
1779 if not get_option('libpmem').auto() or have_system
1780 libpmem = dependency('libpmem', required: get_option('libpmem'),
1781 method: 'pkg-config')
1783 libdaxctl = not_found
1784 if not get_option('libdaxctl').auto() or have_system
1785 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1786 version: '>=57', method: 'pkg-config')
1790 tasn1 = dependency('libtasn1',
1791 method: 'pkg-config')
1793 keyutils = not_found
1794 if not get_option('libkeyutils').auto() or have_block
1795 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1796 method: 'pkg-config')
1799 has_gettid = cc.has_function('gettid')
1802 selinux = dependency('libselinux',
1803 required: get_option('selinux'),
1804 method: 'pkg-config')
1809 if get_option('malloc') == 'system'
1811 get_option('malloc_trim').allowed() and \
1812 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1814 has_malloc_trim = false
1815 malloc = cc.find_library(get_option('malloc'), required: true)
1817 if not has_malloc_trim and get_option('malloc_trim').enabled()
1818 if get_option('malloc') == 'system'
1819 error('malloc_trim not available on this platform.')
1821 error('malloc_trim not available with non-libc memory allocator')
1825 gnu_source_prefix = '''
1831 # Check whether the glibc provides STATX_BASIC_STATS
1833 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1835 # Check whether statx() provides mount ID information
1837 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1839 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1840 .require(targetos == 'linux',
1841 error_message: 'vhost_user_blk_server requires linux') \
1842 .require(have_vhost_user,
1843 error_message: 'vhost_user_blk_server requires vhost-user support') \
1844 .disable_auto_if(not have_tools and not have_system) \
1847 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1848 error('Cannot enable fuse-lseek while fuse is disabled')
1851 fuse = dependency('fuse3', required: get_option('fuse'),
1852 version: '>=3.1', method: 'pkg-config')
1854 fuse_lseek = not_found
1855 if get_option('fuse_lseek').allowed()
1856 if fuse.version().version_compare('>=3.8')
1858 fuse_lseek = declare_dependency()
1859 elif get_option('fuse_lseek').enabled()
1861 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1863 error('fuse-lseek requires libfuse, which was not found')
1868 have_libvduse = (targetos == 'linux')
1869 if get_option('libvduse').enabled()
1870 if targetos != 'linux'
1871 error('libvduse requires linux')
1873 elif get_option('libvduse').disabled()
1874 have_libvduse = false
1877 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1878 if get_option('vduse_blk_export').enabled()
1879 if targetos != 'linux'
1880 error('vduse_blk_export requires linux')
1881 elif not have_libvduse
1882 error('vduse_blk_export requires libvduse support')
1884 elif get_option('vduse_blk_export').disabled()
1885 have_vduse_blk_export = false
1889 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1890 if libbpf.found() and not cc.links('''
1891 #include <bpf/libbpf.h>
1894 bpf_object__destroy_skeleton(NULL);
1896 }''', dependencies: libbpf)
1898 if get_option('bpf').enabled()
1899 error('libbpf skeleton test failed')
1901 warning('libbpf skeleton test failed, disabling')
1907 if not get_option('af_xdp').auto() or have_system
1908 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1909 version: '>=1.4.0', method: 'pkg-config')
1914 if not get_option('libdw').auto() or \
1915 (not get_option('prefer_static') and (have_system or have_user))
1916 libdw = dependency('libdw',
1917 method: 'pkg-config',
1918 required: get_option('libdw'))
1925 audio_drivers_selected = []
1927 audio_drivers_available = {
1928 'alsa': alsa.found(),
1929 'coreaudio': coreaudio.found(),
1930 'dsound': dsound.found(),
1931 'jack': jack.found(),
1933 'pa': pulse.found(),
1934 'pipewire': pipewire.found(),
1936 'sndio': sndio.found(),
1938 foreach k, v: audio_drivers_available
1939 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1942 # Default to native drivers first, OSS second, SDL third
1943 audio_drivers_priority = \
1944 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1945 (targetos == 'linux' ? [] : [ 'sdl' ])
1946 audio_drivers_default = []
1947 foreach k: audio_drivers_priority
1948 if audio_drivers_available[k]
1949 audio_drivers_default += k
1953 foreach k: get_option('audio_drv_list')
1955 audio_drivers_selected += audio_drivers_default
1956 elif not audio_drivers_available[k]
1957 error('Audio driver "@0@" not available.'.format(k))
1959 audio_drivers_selected += k
1963 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1964 '"' + '", "'.join(audio_drivers_selected) + '", ')
1966 if get_option('cfi')
1968 # Check for dependency on LTO
1969 if not get_option('b_lto')
1970 error('Selected Control-Flow Integrity but LTO is disabled')
1973 error('Selected Control-Flow Integrity is not compatible with modules')
1975 # Check for cfi flags. CFI requires LTO so we can't use
1976 # get_supported_arguments, but need a more complex "compiles" which allows
1978 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1979 args: ['-flto', '-fsanitize=cfi-icall'] )
1980 cfi_flags += '-fsanitize=cfi-icall'
1982 error('-fsanitize=cfi-icall is not supported by the compiler')
1984 if cc.compiles('int main () { return 0; }',
1985 name: '-fsanitize-cfi-icall-generalize-pointers',
1986 args: ['-flto', '-fsanitize=cfi-icall',
1987 '-fsanitize-cfi-icall-generalize-pointers'] )
1988 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1990 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1992 if get_option('cfi_debug')
1993 if cc.compiles('int main () { return 0; }',
1994 name: '-fno-sanitize-trap=cfi-icall',
1995 args: ['-flto', '-fsanitize=cfi-icall',
1996 '-fno-sanitize-trap=cfi-icall'] )
1997 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1999 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
2002 add_global_arguments(cfi_flags, native: false, language: all_languages)
2003 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2006 have_host_block_device = (targetos != 'darwin' or
2007 cc.has_header('IOKit/storage/IOMedia.h'))
2009 dbus_display = get_option('dbus_display') \
2010 .require(gio.version().version_compare('>=2.64'),
2011 error_message: '-display dbus requires glib>=2.64') \
2012 .require(gdbus_codegen.found(),
2013 error_message: gdbus_codegen_error.format('-display dbus')) \
2016 have_virtfs = get_option('virtfs') \
2017 .require(targetos == 'linux' or targetos == 'darwin',
2018 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2019 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2020 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2021 .require(targetos == 'darwin' or libattr.found(),
2022 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2023 .disable_auto_if(not have_tools and not have_system) \
2026 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2027 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2028 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2029 .disable_auto_if(not have_tools) \
2030 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2033 if get_option('block_drv_ro_whitelist') == ''
2034 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2036 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2037 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2039 if get_option('block_drv_rw_whitelist') == ''
2040 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2042 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2043 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2046 foreach k : get_option('trace_backends')
2047 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2049 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2050 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2052 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2054 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2055 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2056 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2057 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2058 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2060 qemu_firmwarepath = ''
2061 foreach k : get_option('qemu_firmwarepath')
2062 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2064 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2066 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2067 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2068 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2069 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2070 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2071 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2074 config_host_data.set('CONFIG_STAMP', run_command(
2075 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2076 meson.project_version(), get_option('pkgversion'), '--',
2077 meson.current_source_dir() / 'configure',
2078 capture: true, check: true).stdout().strip())
2081 have_slirp_smbd = get_option('slirp_smbd') \
2082 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2085 smbd_path = get_option('smbd')
2087 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2089 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2092 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2094 if get_option('module_upgrades') and not enable_modules
2095 error('Cannot enable module-upgrades as modules are not enabled')
2097 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2099 config_host_data.set('CONFIG_ATTR', libattr.found())
2100 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2101 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2102 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2103 config_host_data.set('CONFIG_COCOA', cocoa.found())
2104 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2105 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2106 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2107 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2108 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2109 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2110 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2111 config_host_data.set('CONFIG_LZO', lzo.found())
2112 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2113 config_host_data.set('CONFIG_BLKIO', blkio.found())
2115 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2116 blkio.version().version_compare('>=1.3.0'))
2118 config_host_data.set('CONFIG_CURL', curl.found())
2119 config_host_data.set('CONFIG_CURSES', curses.found())
2120 config_host_data.set('CONFIG_GBM', gbm.found())
2121 config_host_data.set('CONFIG_GIO', gio.found())
2122 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2123 if glusterfs.found()
2124 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2125 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2126 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2127 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2128 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2129 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2131 config_host_data.set('CONFIG_GTK', gtk.found())
2132 config_host_data.set('CONFIG_VTE', vte.found())
2133 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2134 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2135 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2136 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2137 config_host_data.set('CONFIG_EBPF', libbpf.found())
2138 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2139 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2140 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2141 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2142 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2143 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2144 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2145 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2146 config_host_data.set('CONFIG_MODULES', enable_modules)
2147 config_host_data.set('CONFIG_NUMA', numa.found())
2149 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2150 cc.has_function('numa_has_preferred_many',
2151 dependencies: numa))
2153 config_host_data.set('CONFIG_OPENGL', opengl.found())
2154 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2155 config_host_data.set('CONFIG_RBD', rbd.found())
2156 config_host_data.set('CONFIG_RDMA', rdma.found())
2157 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2158 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2159 config_host_data.set('CONFIG_SDL', sdl.found())
2160 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2161 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2163 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2165 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2166 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2167 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2168 if get_option('tcg').allowed()
2169 config_host_data.set('CONFIG_TCG', 1)
2170 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2172 config_host_data.set('CONFIG_TPM', have_tpm)
2173 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2174 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2175 config_host_data.set('CONFIG_VDE', vde.found())
2176 config_host_data.set('CONFIG_VHOST', have_vhost)
2177 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2178 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2179 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2180 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2181 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2182 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2183 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2184 config_host_data.set('CONFIG_VMNET', vmnet.found())
2185 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2186 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2187 config_host_data.set('CONFIG_PNG', png.found())
2188 config_host_data.set('CONFIG_VNC', vnc.found())
2189 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2190 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2191 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2192 config_host_data.set('CONFIG_VTE', vte.found())
2193 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2194 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2195 config_host_data.set('CONFIG_GETTID', has_gettid)
2196 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2197 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2198 config_host_data.set('CONFIG_TASN1', tasn1.found())
2199 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2200 config_host_data.set('CONFIG_NETTLE', nettle.found())
2201 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2202 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2203 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2204 config_host_data.set('CONFIG_STATX', has_statx)
2205 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2206 config_host_data.set('CONFIG_ZSTD', zstd.found())
2207 config_host_data.set('CONFIG_FUSE', fuse.found())
2208 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2209 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2210 if spice_protocol.found()
2211 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2212 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2213 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2215 config_host_data.set('CONFIG_SPICE', spice.found())
2216 config_host_data.set('CONFIG_X11', x11.found())
2217 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2218 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2219 config_host_data.set('CONFIG_SELINUX', selinux.found())
2220 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2221 config_host_data.set('CONFIG_LIBDW', libdw.found())
2223 # protect from xen.version() having less than three components
2224 xen_version = xen.version().split('.') + ['0', '0']
2225 xen_ctrl_version = xen_version[0] + \
2226 ('0' + xen_version[1]).substring(-2) + \
2227 ('0' + xen_version[2]).substring(-2)
2228 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2230 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2231 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2232 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2233 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2235 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2236 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2238 have_coroutine_pool = get_option('coroutine_pool')
2239 if get_option('debug_stack_usage') and have_coroutine_pool
2240 message('Disabling coroutine pool to measure stack usage')
2241 have_coroutine_pool = false
2243 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2244 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2245 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2246 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2247 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2248 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2249 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2250 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2253 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2254 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2255 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2256 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2257 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2258 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2259 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2260 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2261 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2262 if targetos == 'windows'
2263 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2267 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2268 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2269 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2270 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2271 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2272 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2273 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2274 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2275 # Note that we need to specify prefix: here to avoid incorrectly
2276 # thinking that Windows has posix_memalign()
2277 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2278 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2279 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2280 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2281 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2282 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2283 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2284 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2285 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2286 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2287 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2288 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2289 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2290 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2291 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2292 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2293 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2294 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2296 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2297 cc.has_function('rbd_namespace_exists',
2299 prefix: '#include <rbd/librbd.h>'))
2302 config_host_data.set('HAVE_IBV_ADVISE_MR',
2303 cc.has_function('ibv_advise_mr',
2305 prefix: '#include <infiniband/verbs.h>'))
2308 have_asan_fiber = false
2309 if get_option('sanitizers') and \
2310 not cc.has_function('__sanitizer_start_switch_fiber',
2311 args: '-fsanitize=address',
2312 prefix: '#include <sanitizer/asan_interface.h>')
2313 warning('Missing ASAN due to missing fiber annotation interface')
2314 warning('Without code annotation, the report may be inferior.')
2316 have_asan_fiber = true
2318 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2321 config_host_data.set('CONFIG_BLKZONED',
2322 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2323 config_host_data.set('CONFIG_EPOLL_CREATE1',
2324 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2325 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2326 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2327 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2328 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2329 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2330 config_host_data.set('CONFIG_FIEMAP',
2331 cc.has_header('linux/fiemap.h') and
2332 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2333 config_host_data.set('CONFIG_GETRANDOM',
2334 cc.has_function('getrandom') and
2335 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2336 config_host_data.set('CONFIG_INOTIFY',
2337 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2338 config_host_data.set('CONFIG_INOTIFY1',
2339 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2340 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2341 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2342 config_host_data.set('CONFIG_RTNETLINK',
2343 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2344 config_host_data.set('CONFIG_SYSMACROS',
2345 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2346 config_host_data.set('HAVE_OPTRESET',
2347 cc.has_header_symbol('getopt.h', 'optreset'))
2348 config_host_data.set('HAVE_IPPROTO_MPTCP',
2349 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2352 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2353 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2354 prefix: '#include <signal.h>'))
2355 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2356 cc.has_member('struct stat', 'st_atim',
2357 prefix: '#include <sys/stat.h>'))
2358 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2359 cc.has_member('struct blk_zone', 'capacity',
2360 prefix: '#include <linux/blkzoned.h>'))
2363 config_host_data.set('CONFIG_IOVEC',
2364 cc.has_type('struct iovec',
2365 prefix: '#include <sys/uio.h>'))
2366 config_host_data.set('HAVE_UTMPX',
2367 cc.has_type('struct utmpx',
2368 prefix: '#include <utmpx.h>'))
2370 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2371 #include <sys/eventfd.h>
2372 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2373 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2376 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2377 return fdatasync(0);
2379 #error Not supported
2383 has_madvise = cc.links(gnu_source_prefix + '''
2384 #include <sys/types.h>
2385 #include <sys/mman.h>
2387 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2388 missing_madvise_proto = false
2390 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2391 # but forget to prototype it. In this case, has_madvise will be true (the
2392 # test program links despite a compile warning). To detect the
2393 # missing-prototype case, we try again with a definitely-bogus prototype.
2394 # This will only compile if the system headers don't provide the prototype;
2395 # otherwise the conflicting prototypes will cause a compiler error.
2396 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2397 #include <sys/types.h>
2398 #include <sys/mman.h>
2400 extern int madvise(int);
2401 int main(void) { return madvise(0); }''')
2403 config_host_data.set('CONFIG_MADVISE', has_madvise)
2404 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2406 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2407 #include <sys/mman.h>
2408 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2409 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2411 #if !defined(AT_EMPTY_PATH)
2412 # error missing definition
2414 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2416 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2417 #include <sys/mman.h>
2419 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2421 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2422 #include <pthread.h>
2424 static void *f(void *p) { return NULL; }
2428 pthread_create(&thread, 0, f, 0);
2429 pthread_setname_np(thread, "QEMU");
2431 }''', dependencies: threads))
2432 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2433 #include <pthread.h>
2435 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2439 pthread_create(&thread, 0, f, 0);
2441 }''', dependencies: threads))
2442 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2443 #include <pthread.h>
2444 #include <pthread_np.h>
2446 static void *f(void *p) { return NULL; }
2450 pthread_create(&thread, 0, f, 0);
2451 pthread_set_name_np(thread, "QEMU");
2453 }''', dependencies: threads))
2454 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2455 #include <pthread.h>
2460 pthread_condattr_t attr
2461 pthread_condattr_init(&attr);
2462 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2464 }''', dependencies: threads))
2465 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2466 #include <pthread.h>
2468 static void *f(void *p) { return NULL; }
2471 int setsize = CPU_ALLOC_SIZE(64);
2474 pthread_create(&thread, 0, f, 0);
2475 cpuset = CPU_ALLOC(64);
2476 CPU_ZERO_S(setsize, cpuset);
2477 pthread_setaffinity_np(thread, setsize, cpuset);
2478 pthread_getaffinity_np(thread, setsize, cpuset);
2481 }''', dependencies: threads))
2482 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2483 #include <sys/signalfd.h>
2485 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2486 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2494 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2495 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2499 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2500 #include <sys/mman.h>
2502 return mlockall(MCL_FUTURE);
2506 if get_option('l2tpv3').allowed() and have_system
2507 have_l2tpv3 = cc.has_type('struct mmsghdr',
2508 prefix: gnu_source_prefix + '''
2509 #include <sys/socket.h>
2510 #include <linux/ip.h>''')
2512 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2515 if get_option('netmap').allowed() and have_system
2516 have_netmap = cc.compiles('''
2517 #include <inttypes.h>
2519 #include <net/netmap.h>
2520 #include <net/netmap_user.h>
2521 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2524 int main(void) { return 0; }''')
2525 if not have_netmap and get_option('netmap').enabled()
2526 error('Netmap headers not available')
2529 config_host_data.set('CONFIG_NETMAP', have_netmap)
2531 # Work around a system header bug with some kernel/XFS header
2532 # versions where they both try to define 'struct fsxattr':
2533 # xfs headers will not try to redefine structs from linux headers
2534 # if this macro is set.
2535 config_host_data.set('HAVE_FSXATTR', cc.links('''
2536 #include <linux/fs.h>
2542 # Some versions of Mac OS X incorrectly define SIZE_MAX
2543 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2547 return printf("%zu", SIZE_MAX);
2548 }''', args: ['-Werror']))
2550 # See if 64-bit atomic operations are supported.
2551 # Note that without __atomic builtins, we can only
2552 # assume atomic loads/stores max at pointer size.
2553 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2557 uint64_t x = 0, y = 0;
2558 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2559 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2560 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2561 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2562 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2566 has_int128_type = cc.compiles('''
2569 int main(void) { b = a; }''')
2570 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2572 has_int128 = has_int128_type and cc.links('''
2581 config_host_data.set('CONFIG_INT128', has_int128)
2584 # "do we have 128-bit atomics which are handled inline and specifically not
2585 # via libatomic". The reason we can't use libatomic is documented in the
2586 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2587 # We only care about these operations on 16-byte aligned pointers, so
2588 # force 16-byte alignment of the pointer, which may be greater than
2589 # __alignof(unsigned __int128) for the host.
2590 atomic_test_128 = '''
2591 int main(int ac, char **av) {
2592 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2593 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2594 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2595 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2598 has_atomic128 = cc.links(atomic_test_128)
2600 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2602 if not has_atomic128
2603 # Even with __builtin_assume_aligned, the above test may have failed
2604 # without optimization enabled. Try again with optimizations locally
2605 # enabled for the function. See
2606 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2607 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2608 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2610 if not has_atomic128_opt
2611 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2614 __uint128_t x = 0, y = 0;
2615 __sync_val_compare_and_swap_16(&x, y, x);
2623 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2624 #include <sys/auxv.h>
2626 return getauxval(AT_HWCAP) == 0;
2629 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2630 #include <linux/usbdevice_fs.h>
2632 #ifndef USBDEVFS_GET_CAPABILITIES
2633 #error "USBDEVFS_GET_CAPABILITIES undefined"
2636 #ifndef USBDEVFS_DISCONNECT_CLAIM
2637 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2640 int main(void) { return 0; }'''))
2642 have_keyring = get_option('keyring') \
2643 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2644 .require(cc.compiles('''
2646 #include <asm/unistd.h>
2647 #include <linux/keyctl.h>
2648 #include <sys/syscall.h>
2651 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2652 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2653 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2655 have_cpuid_h = cc.links('''
2658 unsigned a, b, c, d;
2659 unsigned max = __get_cpuid_max(0, 0);
2662 __cpuid(1, a, b, c, d);
2666 __cpuid_count(7, 0, a, b, c, d);
2671 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2673 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2674 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2675 .require(cc.links('''
2677 #include <immintrin.h>
2678 static int __attribute__((target("avx2"))) bar(void *a) {
2679 __m256i x = *(__m256i *)a;
2680 return _mm256_testz_si256(x, x);
2682 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2683 '''), error_message: 'AVX2 not available').allowed())
2685 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2686 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2687 .require(cc.links('''
2689 #include <immintrin.h>
2690 static int __attribute__((target("avx512f"))) bar(void *a) {
2691 __m512i x = *(__m512i *)a;
2692 return _mm512_test_epi64_mask(x, x);
2694 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2695 '''), error_message: 'AVX512F not available').allowed())
2697 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2698 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2699 .require(cc.links('''
2701 #include <immintrin.h>
2702 static int __attribute__((target("avx512bw"))) bar(void *a) {
2704 __m512i res= _mm512_abs_epi8(*x);
2707 int main(int argc, char *argv[]) { return bar(argv[0]); }
2708 '''), error_message: 'AVX512BW not available').allowed())
2710 # For both AArch64 and AArch32, detect if builtins are available.
2711 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2712 #include <arm_neon.h>
2713 #ifndef __ARM_FEATURE_AES
2714 __attribute__((target("+crypto")))
2716 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2719 have_pvrdma = get_option('pvrdma') \
2720 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2721 .require(cc.compiles(gnu_source_prefix + '''
2722 #include <sys/mman.h>
2727 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2730 }'''), error_message: 'PVRDMA requires mremap').allowed()
2733 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2734 #include <infiniband/verbs.h>
2738 struct ibv_pd *pd = NULL;
2744 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2750 if get_option('membarrier').disabled()
2751 have_membarrier = false
2752 elif targetos == 'windows'
2753 have_membarrier = true
2754 elif targetos == 'linux'
2755 have_membarrier = cc.compiles('''
2756 #include <linux/membarrier.h>
2757 #include <sys/syscall.h>
2761 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2762 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2766 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2767 .require(have_membarrier, error_message: 'membarrier system call not available') \
2770 have_afalg = get_option('crypto_afalg') \
2771 .require(cc.compiles(gnu_source_prefix + '''
2773 #include <sys/types.h>
2774 #include <sys/socket.h>
2775 #include <linux/if_alg.h>
2778 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2781 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2782 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2784 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2785 'linux/vm_sockets.h', 'AF_VSOCK',
2786 prefix: '#include <sys/socket.h>',
2790 have_vss_sdk = false # old xp/2003 SDK
2791 if targetos == 'windows' and 'cpp' in all_languages
2792 have_vss = cxx.compiles('''
2793 #define __MIDL_user_allocate_free_DEFINED__
2795 int main(void) { return VSS_CTX_BACKUP; }''')
2796 have_vss_sdk = cxx.has_header('vscoordint.h')
2798 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2800 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2801 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2802 if targetos == 'windows'
2803 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2809 }''', name: '_lock_file and _unlock_file'))
2812 if targetos == 'windows'
2813 mingw_has_setjmp_longjmp = cc.links('''
2817 * These functions are not available in setjmp header, but may be
2818 * available at link time, from libmingwex.a.
2820 extern int __mingw_setjmp(jmp_buf);
2821 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2823 __mingw_setjmp(env);
2824 __mingw_longjmp(env, 0);
2826 ''', name: 'mingw setjmp and longjmp')
2828 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2829 error('mingw must provide setjmp/longjmp for windows-arm64')
2833 ########################
2834 # Target configuration #
2835 ########################
2837 minikconf = find_program('scripts/minikconf.py')
2839 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2841 if targetos == 'darwin'
2842 config_targetos += {'CONFIG_DARWIN': 'y'}
2843 elif targetos == 'linux'
2844 config_targetos += {'CONFIG_LINUX': 'y'}
2846 if targetos in bsd_oses
2847 config_targetos += {'CONFIG_BSD': 'y'}
2851 config_all_devices = {}
2852 config_all_disas = {}
2853 config_devices_mak_list = []
2854 config_devices_h = {}
2855 config_target_h = {}
2856 config_target_mak = {}
2859 'alpha' : ['CONFIG_ALPHA_DIS'],
2860 'avr' : ['CONFIG_AVR_DIS'],
2861 'cris' : ['CONFIG_CRIS_DIS'],
2862 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2863 'hppa' : ['CONFIG_HPPA_DIS'],
2864 'i386' : ['CONFIG_I386_DIS'],
2865 'x86_64' : ['CONFIG_I386_DIS'],
2866 'm68k' : ['CONFIG_M68K_DIS'],
2867 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2868 'mips' : ['CONFIG_MIPS_DIS'],
2869 'nios2' : ['CONFIG_NIOS2_DIS'],
2870 'or1k' : ['CONFIG_OPENRISC_DIS'],
2871 'ppc' : ['CONFIG_PPC_DIS'],
2872 'riscv' : ['CONFIG_RISCV_DIS'],
2873 'rx' : ['CONFIG_RX_DIS'],
2874 's390' : ['CONFIG_S390_DIS'],
2875 'sh4' : ['CONFIG_SH4_DIS'],
2876 'sparc' : ['CONFIG_SPARC_DIS'],
2877 'xtensa' : ['CONFIG_XTENSA_DIS'],
2878 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2881 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2883 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2884 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2885 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2886 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2887 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2888 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2889 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2890 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2891 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2892 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2893 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2894 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2895 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2896 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2897 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2898 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2900 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2902 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2903 actual_target_dirs = []
2905 foreach target : target_dirs
2906 config_target = { 'TARGET_NAME': target.split('-')[0] }
2907 if target.endswith('linux-user')
2908 if targetos != 'linux'
2912 error('Target @0@ is only available on a Linux host'.format(target))
2914 config_target += { 'CONFIG_LINUX_USER': 'y' }
2915 elif target.endswith('bsd-user')
2916 if targetos not in bsd_oses
2920 error('Target @0@ is only available on a BSD host'.format(target))
2922 config_target += { 'CONFIG_BSD_USER': 'y' }
2923 elif target.endswith('softmmu')
2924 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2925 config_target += { 'CONFIG_SOFTMMU': 'y' }
2927 if target.endswith('-user')
2929 'CONFIG_USER_ONLY': 'y',
2930 'CONFIG_QEMU_INTERP_PREFIX':
2931 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2936 foreach sym: accelerators
2937 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2938 config_target += { sym: 'y' }
2939 config_all += { sym: 'y' }
2940 if target in modular_tcg
2941 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2943 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2945 accel_kconfig += [ sym + '=y' ]
2948 if accel_kconfig.length() == 0
2952 error('No accelerator available for target @0@'.format(target))
2955 actual_target_dirs += target
2956 config_target += keyval.load('configs/targets' / target + '.mak')
2957 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2959 if 'TARGET_NEED_FDT' in config_target
2960 fdt_required += target
2964 if 'TARGET_BASE_ARCH' not in config_target
2965 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2967 if 'TARGET_ABI_DIR' not in config_target
2968 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2970 if 'TARGET_BIG_ENDIAN' not in config_target
2971 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2974 foreach k, v: disassemblers
2975 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2977 config_target += { sym: 'y' }
2978 config_all_disas += { sym: 'y' }
2983 config_target_data = configuration_data()
2984 foreach k, v: config_target
2985 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2987 elif ignored.contains(k)
2989 elif k == 'TARGET_BASE_ARCH'
2990 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2991 # not used to select files from sourcesets.
2992 config_target_data.set('TARGET_' + v.to_upper(), 1)
2993 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2994 config_target_data.set_quoted(k, v)
2996 config_target_data.set(k, 1)
2998 config_target_data.set(k, 0)
3000 config_target_data.set(k, v)
3003 config_target_data.set('QEMU_ARCH',
3004 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3005 config_target_h += {target: configure_file(output: target + '-config-target.h',
3006 configuration: config_target_data)}
3008 if target.endswith('-softmmu')
3009 config_input = meson.get_external_property(target, 'default')
3010 config_devices_mak = target + '-config-devices.mak'
3011 config_devices_mak = configure_file(
3012 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3013 output: config_devices_mak,
3014 depfile: config_devices_mak + '.d',
3016 command: [minikconf,
3017 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3018 config_devices_mak, '@DEPFILE@', '@INPUT@',
3019 host_kconfig, accel_kconfig,
3020 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3022 config_devices_data = configuration_data()
3023 config_devices = keyval.load(config_devices_mak)
3024 foreach k, v: config_devices
3025 config_devices_data.set(k, 1)
3027 config_devices_mak_list += config_devices_mak
3028 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3029 configuration: config_devices_data)}
3030 config_target += config_devices
3031 config_all_devices += config_devices
3033 config_target_mak += {target: config_target}
3035 target_dirs = actual_target_dirs
3037 # This configuration is used to build files that are shared by
3038 # multiple binaries, and then extracted out of the "common"
3039 # static_library target.
3041 # We do not use all_sources()/all_dependencies(), because it would
3042 # build literally all source files, including devices only used by
3043 # targets that are not built for this compilation. The CONFIG_ALL
3044 # pseudo symbol replaces it.
3046 config_all += config_all_devices
3047 config_all += config_targetos
3048 config_all += config_all_disas
3050 'CONFIG_XEN': xen.found(),
3051 'CONFIG_SYSTEM_ONLY': have_system,
3052 'CONFIG_USER_ONLY': have_user,
3056 target_configs_h = []
3057 foreach target: target_dirs
3058 target_configs_h += config_target_h[target]
3059 target_configs_h += config_devices_h.get(target, [])
3061 genh += custom_target('config-poison.h',
3062 input: [target_configs_h],
3063 output: 'config-poison.h',
3065 command: [find_program('scripts/make-config-poison.sh'),
3072 capstone = not_found
3073 if not get_option('capstone').auto() or have_system or have_user
3074 capstone = dependency('capstone', version: '>=3.0.5',
3075 method: 'pkg-config',
3076 required: get_option('capstone'))
3078 # Some versions of capstone have broken pkg-config file
3079 # that reports a wrong -I path, causing the #include to
3080 # fail later. If the system has such a broken version
3082 if capstone.found() and not cc.compiles('#include <capstone.h>',
3083 dependencies: [capstone])
3084 capstone = not_found
3085 if get_option('capstone').enabled()
3086 error('capstone requested, but it does not appear to work')
3091 libvfio_user_dep = not_found
3092 if have_system and vfio_user_server_allowed
3093 libvfio_user_proj = subproject('libvfio-user', required: true)
3094 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3098 fdt_opt = get_option('fdt')
3099 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3100 if fdt_opt == 'disabled'
3101 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3104 if fdt_opt in ['enabled', 'auto', 'system']
3105 if get_option('wrap_mode') == 'nodownload'
3108 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3109 if fdt.found() and cc.links('''
3111 #include <libfdt_env.h>
3112 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3115 elif fdt_opt == 'system'
3116 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3118 fdt_opt = 'internal'
3123 assert(fdt_opt == 'internal')
3124 libfdt_proj = subproject('dtc', required: true,
3125 default_options: ['tools=false', 'yaml=disabled',
3126 'python=disabled', 'default_library=static'])
3127 fdt = libfdt_proj.get_variable('libfdt_dep')
3130 fdt_opt = 'disabled'
3133 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3134 config_host_data.set('CONFIG_FDT', fdt.found())
3135 config_host_data.set('CONFIG_SLIRP', slirp.found())
3137 #####################
3138 # Generated sources #
3139 #####################
3141 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3143 hxtool = find_program('scripts/hxtool')
3144 shaderinclude = find_program('scripts/shaderinclude.py')
3145 qapi_gen = find_program('scripts/qapi-gen.py')
3146 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3147 meson.current_source_dir() / 'scripts/qapi/commands.py',
3148 meson.current_source_dir() / 'scripts/qapi/common.py',
3149 meson.current_source_dir() / 'scripts/qapi/error.py',
3150 meson.current_source_dir() / 'scripts/qapi/events.py',
3151 meson.current_source_dir() / 'scripts/qapi/expr.py',
3152 meson.current_source_dir() / 'scripts/qapi/gen.py',
3153 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3154 meson.current_source_dir() / 'scripts/qapi/main.py',
3155 meson.current_source_dir() / 'scripts/qapi/parser.py',
3156 meson.current_source_dir() / 'scripts/qapi/schema.py',
3157 meson.current_source_dir() / 'scripts/qapi/source.py',
3158 meson.current_source_dir() / 'scripts/qapi/types.py',
3159 meson.current_source_dir() / 'scripts/qapi/visit.py',
3160 meson.current_source_dir() / 'scripts/qapi-gen.py'
3164 python, files('scripts/tracetool.py'),
3165 '--backend=' + ','.join(get_option('trace_backends'))
3167 tracetool_depends = files(
3168 'scripts/tracetool/backend/log.py',
3169 'scripts/tracetool/backend/__init__.py',
3170 'scripts/tracetool/backend/dtrace.py',
3171 'scripts/tracetool/backend/ftrace.py',
3172 'scripts/tracetool/backend/simple.py',
3173 'scripts/tracetool/backend/syslog.py',
3174 'scripts/tracetool/backend/ust.py',
3175 'scripts/tracetool/format/ust_events_c.py',
3176 'scripts/tracetool/format/ust_events_h.py',
3177 'scripts/tracetool/format/__init__.py',
3178 'scripts/tracetool/format/d.py',
3179 'scripts/tracetool/format/simpletrace_stap.py',
3180 'scripts/tracetool/format/c.py',
3181 'scripts/tracetool/format/h.py',
3182 'scripts/tracetool/format/log_stap.py',
3183 'scripts/tracetool/format/stap.py',
3184 'scripts/tracetool/__init__.py',
3185 'scripts/tracetool/vcpu.py'
3188 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3189 meson.current_source_dir(),
3190 get_option('pkgversion'), meson.project_version()]
3191 qemu_version = custom_target('qemu-version.h',
3192 output: 'qemu-version.h',
3193 command: qemu_version_cmd,
3195 build_by_default: true,
3196 build_always_stale: true)
3197 genh += qemu_version
3201 ['qemu-options.hx', 'qemu-options.def'],
3202 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3206 ['hmp-commands.hx', 'hmp-commands.h'],
3207 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3210 foreach d : hx_headers
3211 hxdep += custom_target(d[1],
3215 command: [hxtool, '-h', '@INPUT0@'])
3223 authz_ss = ss.source_set()
3224 blockdev_ss = ss.source_set()
3225 block_ss = ss.source_set()
3226 chardev_ss = ss.source_set()
3227 common_ss = ss.source_set()
3228 crypto_ss = ss.source_set()
3229 hwcore_ss = ss.source_set()
3230 io_ss = ss.source_set()
3231 qmp_ss = ss.source_set()
3232 qom_ss = ss.source_set()
3233 system_ss = ss.source_set()
3234 specific_fuzz_ss = ss.source_set()
3235 specific_ss = ss.source_set()
3236 stub_ss = ss.source_set()
3237 trace_ss = ss.source_set()
3238 user_ss = ss.source_set()
3239 util_ss = ss.source_set()
3242 qtest_module_ss = ss.source_set()
3243 tcg_module_ss = ss.source_set()
3249 target_system_arch = {}
3250 target_user_arch = {}
3256 # TODO: add each directory to the subdirs from its own meson.build, once
3258 trace_events_subdirs = [
3267 trace_events_subdirs += [ 'linux-user' ]
3270 trace_events_subdirs += [ 'bsd-user' ]
3273 trace_events_subdirs += [
3282 trace_events_subdirs += [
3296 'hw/block/dataplane',
3347 if have_system or have_user
3348 trace_events_subdirs += [
3366 vhost_user = not_found
3367 if targetos == 'linux' and have_vhost_user
3368 libvhost_user = subproject('libvhost-user')
3369 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3372 libvduse = not_found
3374 libvduse_proj = subproject('libvduse')
3375 libvduse = libvduse_proj.get_variable('libvduse_dep')
3378 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3379 # that is filled in by qapi/.
3393 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3394 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3397 qom_ss = qom_ss.apply(config_targetos, strict: false)
3398 libqom = static_library('qom', qom_ss.sources() + genh,
3399 dependencies: [qom_ss.dependencies()],
3401 build_by_default: false)
3402 qom = declare_dependency(link_whole: libqom)
3404 event_loop_base = files('event-loop-base.c')
3405 event_loop_base = static_library('event-loop-base',
3406 sources: event_loop_base + genh,
3408 build_by_default: false)
3409 event_loop_base = declare_dependency(link_whole: event_loop_base,
3410 dependencies: [qom])
3412 stub_ss = stub_ss.apply(config_all, strict: false)
3414 util_ss.add_all(trace_ss)
3415 util_ss = util_ss.apply(config_all, strict: false)
3416 libqemuutil = static_library('qemuutil',
3417 build_by_default: false,
3418 sources: util_ss.sources() + stub_ss.sources() + genh,
3419 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3420 qemuutil = declare_dependency(link_with: libqemuutil,
3421 sources: genh + version_res,
3422 dependencies: [event_loop_base])
3424 if have_system or have_user
3425 decodetree = generator(find_program('scripts/decodetree.py'),
3426 output: 'decode-@BASENAME@.c.inc',
3427 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3428 subdir('libdecnumber')
3445 if config_host_data.get('CONFIG_REPLICATION')
3446 block_ss.add(files('replication.c'))
3453 blockdev_ss.add(files(
3460 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3461 # os-win32.c does not
3462 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3463 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3466 common_ss.add(files('cpu-common.c'))
3467 specific_ss.add(files('cpu-target.c'))
3471 # Work around a gcc bug/misfeature wherein constant propagation looks
3473 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3474 # to guess that a const variable is always zero. Without lto, this is
3475 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3476 # without lto, not even the alias is required -- we simply use different
3477 # declarations in different compilation units.
3478 pagevary = files('page-vary-common.c')
3479 if get_option('b_lto')
3480 pagevary_flags = ['-fno-lto']
3481 if get_option('cfi')
3482 pagevary_flags += '-fno-sanitize=cfi-icall'
3484 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3485 c_args: pagevary_flags)
3486 pagevary = declare_dependency(link_with: pagevary)
3488 common_ss.add(pagevary)
3489 specific_ss.add(files('page-vary-target.c'))
3497 subdir('semihosting')
3505 common_user_inc = []
3507 subdir('common-user')
3509 subdir('linux-user')
3511 # needed for fuzzing binaries
3512 subdir('tests/qtest/libqos')
3513 subdir('tests/qtest/fuzz')
3516 tcg_real_module_ss = ss.source_set()
3517 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3518 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3519 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3520 'tcg': tcg_real_module_ss }}
3522 ########################
3523 # Library dependencies #
3524 ########################
3526 modinfo_collect = find_program('scripts/modinfo-collect.py')
3527 modinfo_generate = find_program('scripts/modinfo-generate.py')
3532 foreach d, list : modules
3533 if not (d == 'block' ? have_block : have_system)
3537 foreach m, module_ss : list
3539 module_ss = module_ss.apply(config_all, strict: false)
3540 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3541 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3547 if module_ss.sources() != []
3548 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3549 # input. Sources can be used multiple times but objects are
3550 # unique when it comes to lookup in compile_commands.json.
3551 # Depnds on a mesion version with
3552 # https://github.com/mesonbuild/meson/pull/8900
3553 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3554 output: d + '-' + m + '.modinfo',
3555 input: module_ss.sources() + genh,
3557 command: [modinfo_collect, module_ss.sources()])
3561 block_ss.add_all(module_ss)
3563 system_ss.add_all(module_ss)
3569 foreach d, list : target_modules
3570 foreach m, module_ss : list
3572 foreach target : target_dirs
3573 if target.endswith('-softmmu')
3574 config_target = config_target_mak[target]
3575 config_target += config_targetos
3576 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3577 c_args = ['-DNEED_CPU_H',
3578 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3579 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3580 target_module_ss = module_ss.apply(config_target, strict: false)
3581 if target_module_ss.sources() != []
3582 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3583 sl = static_library(module_name,
3584 [genh, target_module_ss.sources()],
3585 dependencies: [modulecommon, target_module_ss.dependencies()],
3586 include_directories: target_inc,
3590 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3591 modinfo_files += custom_target(module_name + '.modinfo',
3592 output: module_name + '.modinfo',
3593 input: target_module_ss.sources() + genh,
3595 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3600 specific_ss.add_all(module_ss)
3606 foreach target : target_dirs
3607 if target.endswith('-softmmu')
3608 config_target = config_target_mak[target]
3609 config_devices_mak = target + '-config-devices.mak'
3610 modinfo_src = custom_target('modinfo-' + target + '.c',
3611 output: 'modinfo-' + target + '.c',
3612 input: modinfo_files,
3613 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3616 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3617 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3619 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3620 hw_arch[arch].add(modinfo_dep)
3625 nm = find_program('nm')
3626 undefsym = find_program('scripts/undefsym.py')
3627 block_syms = custom_target('block.syms', output: 'block.syms',
3628 input: [libqemuutil, block_mods],
3630 command: [undefsym, nm, '@INPUT@'])
3631 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3632 input: [libqemuutil, system_mods],
3634 command: [undefsym, nm, '@INPUT@'])
3636 authz_ss = authz_ss.apply(config_targetos, strict: false)
3637 libauthz = static_library('authz', authz_ss.sources() + genh,
3638 dependencies: [authz_ss.dependencies()],
3640 build_by_default: false)
3642 authz = declare_dependency(link_whole: libauthz,
3645 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3646 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3647 dependencies: [crypto_ss.dependencies()],
3649 build_by_default: false)
3651 crypto = declare_dependency(link_whole: libcrypto,
3652 dependencies: [authz, qom])
3654 io_ss = io_ss.apply(config_targetos, strict: false)
3655 libio = static_library('io', io_ss.sources() + genh,
3656 dependencies: [io_ss.dependencies()],
3657 link_with: libqemuutil,
3659 build_by_default: false)
3661 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3663 libmigration = static_library('migration', sources: migration_files + genh,
3665 build_by_default: false)
3666 migration = declare_dependency(link_with: libmigration,
3667 dependencies: [zlib, qom, io])
3668 system_ss.add(migration)
3670 block_ss = block_ss.apply(config_targetos, strict: false)
3671 libblock = static_library('block', block_ss.sources() + genh,
3672 dependencies: block_ss.dependencies(),
3673 link_depends: block_syms,
3675 build_by_default: false)
3677 block = declare_dependency(link_whole: [libblock],
3678 link_args: '@block.syms',
3679 dependencies: [crypto, io])
3681 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3682 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3683 dependencies: blockdev_ss.dependencies(),
3685 build_by_default: false)
3687 blockdev = declare_dependency(link_whole: [libblockdev],
3688 dependencies: [block, event_loop_base])
3690 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3691 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3692 dependencies: qmp_ss.dependencies(),
3694 build_by_default: false)
3696 qmp = declare_dependency(link_whole: [libqmp])
3698 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3700 dependencies: chardev_ss.dependencies(),
3701 build_by_default: false)
3703 chardev = declare_dependency(link_whole: libchardev)
3705 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3706 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3708 build_by_default: false)
3709 hwcore = declare_dependency(link_whole: libhwcore)
3710 common_ss.add(hwcore)
3716 emulator_modules = []
3717 foreach m : block_mods + system_mods
3718 emulator_modules += shared_module(m.name(),
3719 build_by_default: true,
3723 install_dir: qemu_moddir)
3725 if emulator_modules.length() > 0
3726 alias_target('modules', emulator_modules)
3729 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3730 common_ss.add(qom, qemuutil)
3732 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3733 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3735 common_all = common_ss.apply(config_all, strict: false)
3736 common_all = static_library('common',
3737 build_by_default: false,
3738 sources: common_all.sources() + genh,
3739 include_directories: common_user_inc,
3740 implicit_include_directories: false,
3741 dependencies: common_all.dependencies(),
3744 feature_to_c = find_program('scripts/feature_to_c.py')
3746 if targetos == 'darwin'
3747 entitlement = find_program('scripts/entitlement.sh')
3751 foreach target : target_dirs
3752 config_target = config_target_mak[target]
3753 target_name = config_target['TARGET_NAME']
3754 target_base_arch = config_target['TARGET_BASE_ARCH']
3755 arch_srcs = [config_target_h[target]]
3757 c_args = ['-DNEED_CPU_H',
3758 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3759 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3760 link_args = emulator_link_args
3762 config_target += config_targetos
3763 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3764 if targetos == 'linux'
3765 target_inc += include_directories('linux-headers', is_system: true)
3767 if target.endswith('-softmmu')
3768 target_type='system'
3769 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3770 arch_srcs += t.sources()
3771 arch_deps += t.dependencies()
3773 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3774 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3775 arch_srcs += hw.sources()
3776 arch_deps += hw.dependencies()
3778 arch_srcs += config_devices_h[target]
3779 link_args += ['@block.syms', '@qemu.syms']
3781 abi = config_target['TARGET_ABI_DIR']
3783 target_inc += common_user_inc
3784 if target_base_arch in target_user_arch
3785 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3786 arch_srcs += t.sources()
3787 arch_deps += t.dependencies()
3789 if 'CONFIG_LINUX_USER' in config_target
3790 base_dir = 'linux-user'
3792 if 'CONFIG_BSD_USER' in config_target
3793 base_dir = 'bsd-user'
3794 target_inc += include_directories('bsd-user/' / targetos)
3795 target_inc += include_directories('bsd-user/host/' / host_arch)
3796 dir = base_dir / abi
3797 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3799 target_inc += include_directories(
3803 if 'CONFIG_LINUX_USER' in config_target
3804 dir = base_dir / abi
3805 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3806 if config_target.has_key('TARGET_SYSTBL_ABI')
3808 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3809 extra_args : config_target['TARGET_SYSTBL_ABI'])
3814 if 'TARGET_XML_FILES' in config_target
3815 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3816 output: target + '-gdbstub-xml.c',
3817 input: files(config_target['TARGET_XML_FILES'].split()),
3818 command: [feature_to_c, '@INPUT@'],
3820 arch_srcs += gdbstub_xml
3823 t = target_arch[target_base_arch].apply(config_target, strict: false)
3824 arch_srcs += t.sources()
3825 arch_deps += t.dependencies()
3827 target_common = common_ss.apply(config_target, strict: false)
3828 objects = common_all.extract_objects(target_common.sources())
3829 deps = target_common.dependencies()
3831 target_specific = specific_ss.apply(config_target, strict: false)
3832 arch_srcs += target_specific.sources()
3833 arch_deps += target_specific.dependencies()
3835 lib = static_library('qemu-' + target,
3836 sources: arch_srcs + genh,
3837 dependencies: arch_deps,
3839 include_directories: target_inc,
3841 build_by_default: false,
3844 if target.endswith('-softmmu')
3846 'name': 'qemu-system-' + target_name,
3847 'win_subsystem': 'console',
3848 'sources': files('system/main.c'),
3851 if targetos == 'windows' and (sdl.found() or gtk.found())
3853 'name': 'qemu-system-' + target_name + 'w',
3854 'win_subsystem': 'windows',
3855 'sources': files('system/main.c'),
3859 if get_option('fuzzing')
3860 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3862 'name': 'qemu-fuzz-' + target_name,
3863 'win_subsystem': 'console',
3864 'sources': specific_fuzz.sources(),
3865 'dependencies': specific_fuzz.dependencies(),
3870 'name': 'qemu-' + target_name,
3871 'win_subsystem': 'console',
3877 exe_name = exe['name']
3878 if targetos == 'darwin'
3879 exe_name += '-unsigned'
3882 emulator = executable(exe_name, exe['sources'],
3885 dependencies: arch_deps + deps + exe['dependencies'],
3886 objects: lib.extract_all_objects(recursive: true),
3887 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3888 link_args: link_args,
3889 win_subsystem: exe['win_subsystem'])
3891 if targetos == 'darwin'
3892 icon = 'pc-bios/qemu.rsrc'
3893 build_input = [emulator, files(icon)]
3895 get_option('bindir') / exe_name,
3896 meson.current_source_dir() / icon
3898 if 'CONFIG_HVF' in config_target
3899 entitlements = 'accel/hvf/entitlements.plist'
3900 build_input += files(entitlements)
3901 install_input += meson.current_source_dir() / entitlements
3904 emulators += {exe['name'] : custom_target(exe['name'],
3906 output: exe['name'],
3907 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3910 meson.add_install_script(entitlement, '--install',
3911 get_option('bindir') / exe['name'],
3914 emulators += {exe['name']: emulator}
3919 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3920 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3921 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3922 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3924 custom_target(exe['name'] + stp['ext'],
3925 input: trace_events_all,
3926 output: exe['name'] + stp['ext'],
3927 install: stp['install'],
3928 install_dir: get_option('datadir') / 'systemtap/tapset',
3930 tracetool, '--group=all', '--format=' + stp['fmt'],
3931 '--binary=' + stp['bin'],
3932 '--target-name=' + target_name,
3933 '--target-type=' + target_type,
3934 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3935 '@INPUT@', '@OUTPUT@'
3937 depend_files: tracetool_depends)
3943 # Other build targets
3945 if get_option('plugins')
3946 install_headers('include/qemu/qemu-plugin.h')
3947 if targetos == 'windows'
3948 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3949 # so that plugin authors can compile against it.
3950 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3956 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3957 # when we don't build tools or system
3958 if xkbcommon.found()
3959 # used for the update-keymaps target, so include rules even if !have_tools
3960 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3961 dependencies: [qemuutil, xkbcommon], install: have_tools)
3965 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3966 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3967 qemu_io = executable('qemu-io', files('qemu-io.c'),
3968 dependencies: [block, qemuutil], install: true)
3969 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3970 dependencies: [blockdev, qemuutil, gnutls, selinux],
3973 subdir('storage-daemon')
3974 subdir('contrib/rdmacm-mux')
3975 subdir('contrib/elf2dmp')
3977 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3978 dependencies: qemuutil,
3982 subdir('contrib/vhost-user-blk')
3983 subdir('contrib/vhost-user-gpu')
3984 subdir('contrib/vhost-user-input')
3985 subdir('contrib/vhost-user-scsi')
3988 if targetos == 'linux'
3989 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3990 dependencies: [qemuutil, libcap_ng],
3992 install_dir: get_option('libexecdir'))
3994 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3995 dependencies: [authz, crypto, io, qom, qemuutil,
3996 libcap_ng, mpathpersist],
4001 subdir('contrib/ivshmem-client')
4002 subdir('contrib/ivshmem-server')
4015 if host_machine.system() == 'windows'
4017 find_program('scripts/nsis.py'),
4019 get_option('prefix'),
4020 meson.current_source_dir(),
4021 glib_pc.get_variable('bindir'),
4024 '-DDISPLAYVERSION=' + meson.project_version(),
4027 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4030 nsis_cmd += '-DCONFIG_GTK=y'
4033 nsis = custom_target('nsis',
4034 output: 'qemu-setup-' + meson.project_version() + '.exe',
4035 input: files('qemu.nsi'),
4036 build_always_stale: true,
4037 command: nsis_cmd + ['@INPUT@'])
4038 alias_target('installer', nsis)
4041 #########################
4042 # Configuration summary #
4043 #########################
4047 summary_info += {'Build directory': meson.current_build_dir()}
4048 summary_info += {'Source path': meson.current_source_dir()}
4049 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4050 summary(summary_info, bool_yn: true, section: 'Build environment')
4053 summary_info += {'Install prefix': get_option('prefix')}
4054 summary_info += {'BIOS directory': qemu_datadir}
4055 pathsep = targetos == 'windows' ? ';' : ':'
4056 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4057 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4058 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4059 summary_info += {'module directory': qemu_moddir}
4060 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4061 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4062 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4063 if targetos != 'windows'
4064 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4065 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4067 summary_info += {'local state directory': 'queried at runtime'}
4069 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4070 summary(summary_info, bool_yn: true, section: 'Directories')
4074 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4075 summary_info += {'sphinx-build': sphinx_build}
4077 # FIXME: the [binaries] section of machine files, which can be probed
4078 # with find_program(), would be great for passing gdb and genisoimage
4079 # paths from configure to Meson. However, there seems to be no way to
4080 # hide a program (for example if gdb is too old).
4081 if config_host.has_key('GDB')
4082 summary_info += {'gdb': config_host['GDB']}
4084 summary_info += {'iasl': iasl}
4085 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4086 if targetos == 'windows' and have_ga
4087 summary_info += {'wixl': wixl}
4089 if slirp.found() and have_system
4090 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4092 summary(summary_info, bool_yn: true, section: 'Host binaries')
4094 # Configurable features
4096 summary_info += {'Documentation': build_docs}
4097 summary_info += {'system-mode emulation': have_system}
4098 summary_info += {'user-mode emulation': have_user}
4099 summary_info += {'block layer': have_block}
4100 summary_info += {'Install blobs': get_option('install_blobs')}
4101 summary_info += {'module support': enable_modules}
4103 summary_info += {'alternative module path': get_option('module_upgrades')}
4105 summary_info += {'fuzzing support': get_option('fuzzing')}
4107 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4109 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4110 if 'simple' in get_option('trace_backends')
4111 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4113 summary_info += {'D-Bus display': dbus_display}
4114 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4115 summary_info += {'Relocatable install': get_option('relocatable')}
4116 summary_info += {'vhost-kernel support': have_vhost_kernel}
4117 summary_info += {'vhost-net support': have_vhost_net}
4118 summary_info += {'vhost-user support': have_vhost_user}
4119 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4120 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4121 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4122 summary_info += {'build guest agent': have_ga}
4123 summary(summary_info, bool_yn: true, section: 'Configurable features')
4125 # Compilation information
4127 summary_info += {'host CPU': cpu}
4128 summary_info += {'host endianness': build_machine.endian()}
4129 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4130 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4131 if 'cpp' in all_languages
4132 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4134 summary_info += {'C++ compiler': false}
4136 if 'objc' in all_languages
4137 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4139 summary_info += {'Objective-C compiler': false}
4141 option_cflags = (get_option('debug') ? ['-g'] : [])
4142 if get_option('optimization') != 'plain'
4143 option_cflags += ['-O' + get_option('optimization')]
4145 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4146 if 'cpp' in all_languages
4147 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4149 if 'objc' in all_languages
4150 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4152 link_args = get_option('c_link_args')
4153 if link_args.length() > 0
4154 summary_info += {'LDFLAGS': ' '.join(link_args)}
4156 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4157 if 'cpp' in all_languages
4158 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4160 if 'objc' in all_languages
4161 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4163 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4164 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4165 summary_info += {'PIE': get_option('b_pie')}
4166 summary_info += {'static build': get_option('prefer_static')}
4167 summary_info += {'malloc trim support': has_malloc_trim}
4168 summary_info += {'membarrier': have_membarrier}
4169 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4170 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4171 summary_info += {'mutex debugging': get_option('debug_mutex')}
4172 summary_info += {'memory allocator': get_option('malloc')}
4173 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4174 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4175 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4176 summary_info += {'gcov': get_option('b_coverage')}
4177 summary_info += {'thread sanitizer': get_option('tsan')}
4178 summary_info += {'CFI support': get_option('cfi')}
4179 if get_option('cfi')
4180 summary_info += {'CFI debug support': get_option('cfi_debug')}
4182 summary_info += {'strip binaries': get_option('strip')}
4183 summary_info += {'sparse': sparse}
4184 summary_info += {'mingw32 support': targetos == 'windows'}
4185 summary(summary_info, bool_yn: true, section: 'Compilation')
4187 # snarf the cross-compilation information for tests
4190 foreach target: target_dirs
4191 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4192 if fs.exists(tcg_mak)
4193 config_cross_tcg = keyval.load(tcg_mak)
4194 if 'CC' in config_cross_tcg
4195 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4201 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4204 # Targets and accelerators
4207 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4208 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4209 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4210 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4211 summary_info += {'Xen support': xen.found()}
4213 summary_info += {'xen ctrl version': xen.version()}
4215 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4217 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4218 if config_all.has_key('CONFIG_TCG')
4219 if get_option('tcg_interpreter')
4220 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4222 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4224 summary_info += {'TCG plugins': get_option('plugins')}
4225 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4227 summary_info += {'target list': ' '.join(target_dirs)}
4229 summary_info += {'default devices': get_option('default_devices')}
4230 summary_info += {'out of process emulation': multiprocess_allowed}
4231 summary_info += {'vfio-user server': vfio_user_server_allowed}
4233 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4237 summary_info += {'coroutine backend': coroutine_backend}
4238 summary_info += {'coroutine pool': have_coroutine_pool}
4240 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4241 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4242 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4243 summary_info += {'VirtFS (9P) support': have_virtfs}
4244 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4245 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4246 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4247 summary_info += {'bochs support': get_option('bochs').allowed()}
4248 summary_info += {'cloop support': get_option('cloop').allowed()}
4249 summary_info += {'dmg support': get_option('dmg').allowed()}
4250 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4251 summary_info += {'vdi support': get_option('vdi').allowed()}
4252 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4253 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4254 summary_info += {'vpc support': get_option('vpc').allowed()}
4255 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4256 summary_info += {'qed support': get_option('qed').allowed()}
4257 summary_info += {'parallels support': get_option('parallels').allowed()}
4258 summary_info += {'FUSE exports': fuse}
4259 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4261 summary(summary_info, bool_yn: true, section: 'Block layer support')
4265 summary_info += {'TLS priority': get_option('tls_priority')}
4266 summary_info += {'GNUTLS support': gnutls}
4268 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4270 summary_info += {'libgcrypt': gcrypt}
4271 summary_info += {'nettle': nettle}
4273 summary_info += {' XTS': xts != 'private'}
4275 summary_info += {'AF_ALG support': have_afalg}
4276 summary_info += {'rng-none': get_option('rng_none')}
4277 summary_info += {'Linux keyring': have_keyring}
4278 summary_info += {'Linux keyutils': keyutils}
4279 summary(summary_info, bool_yn: true, section: 'Crypto')
4283 if targetos == 'darwin'
4284 summary_info += {'Cocoa support': cocoa}
4286 summary_info += {'SDL support': sdl}
4287 summary_info += {'SDL image support': sdl_image}
4288 summary_info += {'GTK support': gtk}
4289 summary_info += {'pixman': pixman}
4290 summary_info += {'VTE support': vte}
4291 summary_info += {'PNG support': png}
4292 summary_info += {'VNC support': vnc}
4294 summary_info += {'VNC SASL support': sasl}
4295 summary_info += {'VNC JPEG support': jpeg}
4297 summary_info += {'spice protocol support': spice_protocol}
4298 if spice_protocol.found()
4299 summary_info += {' spice server support': spice}
4301 summary_info += {'curses support': curses}
4302 summary_info += {'brlapi support': brlapi}
4303 summary(summary_info, bool_yn: true, section: 'User interface')
4307 if targetos not in ['darwin', 'haiku', 'windows']
4308 summary_info += {'OSS support': oss}
4309 summary_info += {'sndio support': sndio}
4310 elif targetos == 'darwin'
4311 summary_info += {'CoreAudio support': coreaudio}
4312 elif targetos == 'windows'
4313 summary_info += {'DirectSound support': dsound}
4315 if targetos == 'linux'
4316 summary_info += {'ALSA support': alsa}
4317 summary_info += {'PulseAudio support': pulse}
4319 summary_info += {'PipeWire support': pipewire}
4320 summary_info += {'JACK support': jack}
4321 summary(summary_info, bool_yn: true, section: 'Audio backends')
4325 if targetos == 'darwin'
4326 summary_info += {'vmnet.framework support': vmnet}
4328 summary_info += {'AF_XDP support': libxdp}
4329 summary_info += {'slirp support': slirp}
4330 summary_info += {'vde support': vde}
4331 summary_info += {'netmap support': have_netmap}
4332 summary_info += {'l2tpv3 support': have_l2tpv3}
4333 summary(summary_info, bool_yn: true, section: 'Network backends')
4337 summary_info += {'libtasn1': tasn1}
4338 summary_info += {'PAM': pam}
4339 summary_info += {'iconv support': iconv}
4340 summary_info += {'virgl support': virgl}
4341 summary_info += {'rutabaga support': rutabaga}
4342 summary_info += {'blkio support': blkio}
4343 summary_info += {'curl support': curl}
4344 summary_info += {'Multipath support': mpathpersist}
4345 summary_info += {'Linux AIO support': libaio}
4346 summary_info += {'Linux io_uring support': linux_io_uring}
4347 summary_info += {'ATTR/XATTR support': libattr}
4348 summary_info += {'RDMA support': rdma}
4349 summary_info += {'PVRDMA support': have_pvrdma}
4350 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4351 summary_info += {'libcap-ng support': libcap_ng}
4352 summary_info += {'bpf support': libbpf}
4353 summary_info += {'rbd support': rbd}
4354 summary_info += {'smartcard support': cacard}
4355 summary_info += {'U2F support': u2f}
4356 summary_info += {'libusb': libusb}
4357 summary_info += {'usb net redir': usbredir}
4358 summary_info += {'OpenGL support (epoxy)': opengl}
4359 summary_info += {'GBM': gbm}
4360 summary_info += {'libiscsi support': libiscsi}
4361 summary_info += {'libnfs support': libnfs}
4362 if targetos == 'windows'
4364 summary_info += {'QGA VSS support': have_qga_vss}
4367 summary_info += {'seccomp support': seccomp}
4368 summary_info += {'GlusterFS support': glusterfs}
4369 summary_info += {'hv-balloon support': hv_balloon}
4370 summary_info += {'TPM support': have_tpm}
4371 summary_info += {'libssh support': libssh}
4372 summary_info += {'lzo support': lzo}
4373 summary_info += {'snappy support': snappy}
4374 summary_info += {'bzip2 support': libbzip2}
4375 summary_info += {'lzfse support': liblzfse}
4376 summary_info += {'zstd support': zstd}
4377 summary_info += {'NUMA host support': numa}
4378 summary_info += {'capstone': capstone}
4379 summary_info += {'libpmem support': libpmem}
4380 summary_info += {'libdaxctl support': libdaxctl}
4381 summary_info += {'libudev': libudev}
4382 # Dummy dependency, keep .found()
4383 summary_info += {'FUSE lseek': fuse_lseek.found()}
4384 summary_info += {'selinux': selinux}
4385 summary_info += {'libdw': libdw}
4386 summary(summary_info, bool_yn: true, section: 'Dependencies')
4388 if host_arch == 'unknown'
4390 warning('UNSUPPORTED HOST CPU')
4392 message('Support for CPU host architecture ' + cpu + ' is not currently')
4393 message('maintained. The QEMU project does not guarantee that QEMU will')
4394 message('compile or work on this host CPU. You can help by volunteering')
4395 message('to maintain it and providing a build host for our continuous')
4396 message('integration setup.')
4397 if get_option('tcg').allowed() and target_dirs.length() > 0
4399 message('configure has succeeded and you can continue to build, but')
4400 message('QEMU will use a slow interpreter to emulate the target CPU.')
4404 if not supported_oses.contains(targetos)
4406 warning('UNSUPPORTED HOST OS')
4408 message('Support for host OS ' + targetos + 'is not currently maintained.')
4409 message('configure has succeeded and you can continue to build, but')
4410 message('the QEMU project does not guarantee that QEMU will compile or')
4411 message('work on this operating system. You can help by volunteering')
4412 message('to maintain it and providing a build host for our continuous')
4413 message('integration setup. This will ensure that future versions of QEMU')
4414 message('will keep working on ' + targetos + '.')
4417 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4419 message('If you want to help supporting QEMU on this platform, please')
4420 message('contact the developers at qemu-devel@nongnu.org.')
4423 actually_reloc = get_option('relocatable')
4424 # check if get_relocated_path() is actually able to relocate paths
4425 if get_option('relocatable') and \
4426 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4428 warning('bindir not included within prefix, the installation will not be relocatable.')
4429 actually_reloc = false
4431 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4432 if targetos == 'windows'
4434 warning('Windows installs should usually be relocatable.')
4437 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4438 message('Use --disable-relocatable to remove this warning.')