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 have_system or have_tools
817 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
818 method: 'pkg-config')
820 zlib = dependency('zlib', required: true)
823 if not get_option('linux_aio').auto() or have_block
824 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
825 required: get_option('linux_aio'))
828 linux_io_uring_test = '''
829 #include <liburing.h>
830 #include <linux/errqueue.h>
832 int main(void) { return 0; }'''
834 linux_io_uring = not_found
835 if not get_option('linux_io_uring').auto() or have_block
836 linux_io_uring = dependency('liburing', version: '>=0.3',
837 required: get_option('linux_io_uring'),
838 method: 'pkg-config')
839 if not cc.links(linux_io_uring_test)
840 linux_io_uring = not_found
845 if not get_option('libnfs').auto() or have_block
846 libnfs = dependency('libnfs', version: '>=1.9.3',
847 required: get_option('libnfs'),
848 method: 'pkg-config')
853 #include <sys/types.h>
854 #ifdef CONFIG_LIBATTR
855 #include <attr/xattr.h>
857 #include <sys/xattr.h>
859 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
862 have_old_libattr = false
863 if get_option('attr').allowed()
864 if cc.links(libattr_test)
865 libattr = declare_dependency()
867 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
868 required: get_option('attr'))
869 if libattr.found() and not \
870 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
872 if get_option('attr').enabled()
873 error('could not link libattr')
875 warning('could not link libattr, disabling')
878 have_old_libattr = libattr.found()
883 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
884 required: get_option('cocoa'))
886 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
887 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
888 'VMNET_BRIDGED_MODE',
891 if get_option('vmnet').enabled()
892 error('vmnet.framework API is outdated')
894 warning('vmnet.framework API is outdated, disabling')
899 seccomp_has_sysrawrc = false
900 if not get_option('seccomp').auto() or have_system or have_tools
901 seccomp = dependency('libseccomp', version: '>=2.3.0',
902 required: get_option('seccomp'),
903 method: 'pkg-config')
905 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
906 'SCMP_FLTATR_API_SYSRAWRC',
907 dependencies: seccomp)
911 libcap_ng = not_found
912 if not get_option('cap_ng').auto() or have_system or have_tools
913 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
914 required: get_option('cap_ng'))
916 if libcap_ng.found() and not cc.links('''
920 capng_capability_to_name(CAPNG_EFFECTIVE);
922 }''', dependencies: libcap_ng)
923 libcap_ng = not_found
924 if get_option('cap_ng').enabled()
925 error('could not link libcap-ng')
927 warning('could not link libcap-ng, disabling')
931 if get_option('xkbcommon').auto() and not have_system and not have_tools
932 xkbcommon = not_found
934 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
935 method: 'pkg-config')
939 if not get_option('slirp').auto() or have_system
940 slirp = dependency('slirp', required: get_option('slirp'),
941 method: 'pkg-config')
942 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
943 # it passes function pointers within libslirp as callbacks for timers.
944 # When using a system-wide shared libslirp, the type information for the
945 # callback is missing and the timer call produces a false positive with CFI.
946 # Do not use the "version" keyword argument to produce a better error.
947 # with control-flow integrity.
948 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
949 if get_option('slirp').enabled()
950 error('Control-Flow Integrity requires libslirp 4.7.')
952 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
959 if not get_option('vde').auto() or have_system or have_tools
960 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
961 required: get_option('vde'))
963 if vde.found() and not cc.links('''
964 #include <libvdeplug.h>
967 struct vde_open_args a = {0, 0, 0};
971 }''', dependencies: vde)
973 if get_option('cap_ng').enabled()
974 error('could not link libvdeplug')
976 warning('could not link libvdeplug, disabling')
981 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
982 pulse = dependency('libpulse', required: get_option('pa'),
983 method: 'pkg-config')
986 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
987 alsa = dependency('alsa', required: get_option('alsa'),
988 method: 'pkg-config')
991 if not get_option('jack').auto() or have_system
992 jack = dependency('jack', required: get_option('jack'),
993 method: 'pkg-config')
996 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
997 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
998 required: get_option('pipewire'),
999 method: 'pkg-config')
1002 if not get_option('sndio').auto() or have_system
1003 sndio = dependency('sndio', required: get_option('sndio'),
1004 method: 'pkg-config')
1007 spice_protocol = not_found
1008 if not get_option('spice_protocol').auto() or have_system
1009 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1010 required: get_option('spice_protocol'),
1011 method: 'pkg-config')
1014 if not get_option('spice').auto() or have_system
1015 spice = dependency('spice-server', version: '>=0.14.0',
1016 required: get_option('spice'),
1017 method: 'pkg-config')
1019 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1021 rt = cc.find_library('rt', required: false)
1023 libiscsi = not_found
1024 if not get_option('libiscsi').auto() or have_block
1025 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1026 required: get_option('libiscsi'),
1027 method: 'pkg-config')
1030 if not get_option('zstd').auto() or have_block
1031 zstd = dependency('libzstd', version: '>=1.4.0',
1032 required: get_option('zstd'),
1033 method: 'pkg-config')
1037 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1038 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1039 virgl = dependency('virglrenderer',
1040 method: 'pkg-config',
1041 required: get_option('virglrenderer'))
1043 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1044 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1045 prefix: '#include <virglrenderer.h>',
1046 dependencies: virgl))
1050 if not get_option('blkio').auto() or have_block
1051 blkio = dependency('blkio',
1052 method: 'pkg-config',
1053 required: get_option('blkio'))
1056 if not get_option('curl').auto() or have_block
1057 curl = dependency('libcurl', version: '>=7.29.0',
1058 method: 'pkg-config',
1059 required: get_option('curl'))
1062 if targetos == 'linux' and (have_system or have_tools)
1063 libudev = dependency('libudev',
1064 method: 'pkg-config',
1065 required: get_option('libudev'))
1068 mpathlibs = [libudev]
1069 mpathpersist = not_found
1070 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1071 mpath_test_source = '''
1072 #include <libudev.h>
1073 #include <mpath_persist.h>
1074 unsigned mpath_mx_alloc_len = 1024;
1076 static struct config *multipath_conf;
1077 extern struct udev *udev;
1078 extern struct config *get_multipath_config(void);
1079 extern void put_multipath_config(struct config *conf);
1081 struct config *get_multipath_config(void) { return multipath_conf; }
1082 void put_multipath_config(struct config *conf) { }
1085 multipath_conf = mpath_lib_init();
1088 libmpathpersist = cc.find_library('mpathpersist',
1089 required: get_option('mpath'))
1090 if libmpathpersist.found()
1091 mpathlibs += libmpathpersist
1092 if get_option('prefer_static')
1093 mpathlibs += cc.find_library('devmapper',
1094 required: get_option('mpath'))
1096 mpathlibs += cc.find_library('multipath',
1097 required: get_option('mpath'))
1098 foreach lib: mpathlibs
1104 if mpathlibs.length() == 0
1105 msg = 'Dependencies missing for libmpathpersist'
1106 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1107 mpathpersist = declare_dependency(dependencies: mpathlibs)
1109 msg = 'Cannot detect libmpathpersist API'
1111 if not mpathpersist.found()
1112 if get_option('mpath').enabled()
1115 warning(msg + ', disabling')
1123 if have_system and get_option('curses').allowed()
1125 #if defined(__APPLE__) || defined(__OpenBSD__)
1126 #define _XOPEN_SOURCE_EXTENDED 1
1133 setlocale(LC_ALL, "");
1135 addwstr(L"wide chars\n");
1137 add_wch(WACS_DEGREE);
1141 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1142 curses = dependency(curses_dep_list,
1144 method: 'pkg-config')
1145 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1146 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1148 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1149 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1150 version: curses.version())
1152 msg = 'curses package not usable'
1156 if not curses.found()
1157 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1158 if targetos != 'windows' and not has_curses_h
1159 message('Trying with /usr/include/ncursesw')
1160 curses_compile_args += ['-I/usr/include/ncursesw']
1161 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1164 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1165 foreach curses_libname : curses_libname_list
1166 libcurses = cc.find_library(curses_libname,
1168 if libcurses.found()
1169 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1170 curses = declare_dependency(compile_args: curses_compile_args,
1171 dependencies: [libcurses])
1174 msg = 'curses library not usable'
1180 if get_option('iconv').allowed()
1181 foreach link_args : [ ['-liconv'], [] ]
1182 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1183 # We need to use libiconv if available because mixing libiconv's headers with
1184 # the system libc does not work.
1185 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1186 # included in the command line and libiconv will not be found.
1190 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1191 return conv != (iconv_t) -1;
1192 }''', args: link_args, dependencies: glib)
1193 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1198 if curses.found() and not iconv.found()
1199 if get_option('iconv').enabled()
1200 error('iconv not available')
1202 msg = 'iconv required for curses UI but not available'
1205 if not curses.found() and msg != ''
1206 if get_option('curses').enabled()
1209 warning(msg + ', disabling')
1215 if not get_option('brlapi').auto() or have_system
1216 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1217 required: get_option('brlapi'))
1218 if brlapi.found() and not cc.links('''
1221 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1223 if get_option('brlapi').enabled()
1224 error('could not link brlapi')
1226 warning('could not link brlapi, disabling')
1232 if not get_option('sdl').auto() or have_system
1233 sdl = dependency('sdl2', required: get_option('sdl'))
1234 sdl_image = not_found
1237 # Some versions of SDL have problems with -Wundef
1238 if not cc.compiles('''
1240 #include <SDL_syswm.h>
1241 int main(int argc, char *argv[]) { return 0; }
1242 ''', dependencies: sdl, args: '-Werror=undef')
1243 sdl = declare_dependency(compile_args: '-Wno-undef',
1245 version: sdl.version())
1247 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1248 method: 'pkg-config')
1250 if get_option('sdl_image').enabled()
1251 error('sdl-image required, but SDL was @0@'.format(
1252 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1254 sdl_image = not_found
1258 if not get_option('rbd').auto() or have_block
1259 librados = cc.find_library('rados', required: get_option('rbd'))
1260 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1261 required: get_option('rbd'))
1262 if librados.found() and librbd.found()
1265 #include <rbd/librbd.h>
1268 rados_create(&cluster, NULL);
1269 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1273 }''', dependencies: [librbd, librados])
1274 rbd = declare_dependency(dependencies: [librbd, librados])
1275 elif get_option('rbd').enabled()
1276 error('librbd >= 1.12.0 required')
1278 warning('librbd >= 1.12.0 not found, disabling')
1283 glusterfs = not_found
1284 glusterfs_ftruncate_has_stat = false
1285 glusterfs_iocb_has_stat = false
1286 if not get_option('glusterfs').auto() or have_block
1287 glusterfs = dependency('glusterfs-api', version: '>=3',
1288 required: get_option('glusterfs'),
1289 method: 'pkg-config')
1290 if glusterfs.found()
1291 glusterfs_ftruncate_has_stat = cc.links('''
1292 #include <glusterfs/api/glfs.h>
1297 /* new glfs_ftruncate() passes two additional args */
1298 return glfs_ftruncate(NULL, 0, NULL, NULL);
1300 ''', dependencies: glusterfs)
1301 glusterfs_iocb_has_stat = cc.links('''
1302 #include <glusterfs/api/glfs.h>
1304 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1306 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1312 glfs_io_cbk iocb = &glusterfs_iocb;
1313 iocb(NULL, 0 , NULL, NULL, NULL);
1316 ''', dependencies: glusterfs)
1321 if not get_option('libssh').auto() or have_block
1322 libssh = dependency('libssh', version: '>=0.8.7',
1323 method: 'pkg-config',
1324 required: get_option('libssh'))
1327 libbzip2 = not_found
1328 if not get_option('bzip2').auto() or have_block
1329 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1330 required: get_option('bzip2'))
1331 if libbzip2.found() and not cc.links('''
1333 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1334 libbzip2 = not_found
1335 if get_option('bzip2').enabled()
1336 error('could not link libbzip2')
1338 warning('could not link libbzip2, disabling')
1343 liblzfse = not_found
1344 if not get_option('lzfse').auto() or have_block
1345 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1346 required: get_option('lzfse'))
1348 if liblzfse.found() and not cc.links('''
1350 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1351 liblzfse = not_found
1352 if get_option('lzfse').enabled()
1353 error('could not link liblzfse')
1355 warning('could not link liblzfse, disabling')
1360 if get_option('oss').allowed() and have_system
1361 if not cc.has_header('sys/soundcard.h')
1363 elif targetos == 'netbsd'
1364 oss = cc.find_library('ossaudio', required: get_option('oss'))
1366 oss = declare_dependency()
1370 if get_option('oss').enabled()
1371 error('OSS not found')
1376 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1377 if cc.has_header('dsound.h')
1378 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1381 if not dsound.found()
1382 if get_option('dsound').enabled()
1383 error('DirectSound not found')
1388 coreaudio = not_found
1389 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1390 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1391 required: get_option('coreaudio'))
1395 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1396 epoxy = dependency('epoxy', method: 'pkg-config',
1397 required: get_option('opengl'))
1398 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1400 elif get_option('opengl').enabled()
1401 error('epoxy/egl.h not found')
1405 if (have_system or have_tools) and (virgl.found() or opengl.found())
1406 gbm = dependency('gbm', method: 'pkg-config', required: false)
1408 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1411 gnutls_crypto = not_found
1412 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1413 # For general TLS support our min gnutls matches
1414 # that implied by our platform support matrix
1416 # For the crypto backends, we look for a newer
1419 # Version 3.6.8 is needed to get XTS
1420 # Version 3.6.13 is needed to get PBKDF
1421 # Version 3.6.14 is needed to get HW accelerated XTS
1423 # If newer enough gnutls isn't available, we can
1424 # still use a different crypto backend to satisfy
1425 # the platform support requirements
1426 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1427 method: 'pkg-config',
1429 if gnutls_crypto.found()
1430 gnutls = gnutls_crypto
1432 # Our min version if all we need is TLS
1433 gnutls = dependency('gnutls', version: '>=3.5.18',
1434 method: 'pkg-config',
1435 required: get_option('gnutls'))
1439 # We prefer use of gnutls for crypto, unless the options
1440 # explicitly asked for nettle or gcrypt.
1442 # If gnutls isn't available for crypto, then we'll prefer
1443 # gcrypt over nettle for performance reasons.
1449 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1450 error('Only one of gcrypt & nettle can be enabled')
1453 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1454 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1455 gnutls_crypto = not_found
1458 if not gnutls_crypto.found()
1459 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1460 gcrypt = dependency('libgcrypt', version: '>=1.8',
1461 method: 'config-tool',
1462 required: get_option('gcrypt'))
1463 # Debian has removed -lgpg-error from libgcrypt-config
1464 # as it "spreads unnecessary dependencies" which in
1465 # turn breaks static builds...
1466 if gcrypt.found() and get_option('prefer_static')
1467 gcrypt = declare_dependency(dependencies:
1469 cc.find_library('gpg-error', required: true)],
1470 version: gcrypt.version())
1473 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1474 nettle = dependency('nettle', version: '>=3.4',
1475 method: 'pkg-config',
1476 required: get_option('nettle'))
1477 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1483 gmp = dependency('gmp', required: false, method: 'pkg-config')
1484 if nettle.found() and gmp.found()
1485 hogweed = dependency('hogweed', version: '>=3.4',
1486 method: 'pkg-config',
1487 required: get_option('nettle'))
1494 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1496 if not get_option('gtk').auto() or have_system
1497 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1498 method: 'pkg-config',
1499 required: get_option('gtk'))
1501 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1502 method: 'pkg-config',
1504 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1505 version: gtk.version())
1507 if not get_option('vte').auto() or have_system
1508 vte = dependency('vte-2.91',
1509 method: 'pkg-config',
1510 required: get_option('vte'))
1512 elif have_gtk_clipboard
1513 error('GTK clipboard requested, but GTK not found')
1519 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1522 if get_option('png').allowed() and have_system
1523 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1524 method: 'pkg-config')
1529 if get_option('vnc').allowed() and have_system
1530 vnc = declare_dependency() # dummy dependency
1531 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1532 method: 'pkg-config')
1533 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1534 required: get_option('vnc_sasl'))
1536 sasl = declare_dependency(dependencies: sasl,
1537 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1542 if not get_option('auth_pam').auto() or have_system
1543 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1544 required: get_option('auth_pam'))
1546 if pam.found() and not cc.links('''
1548 #include <security/pam_appl.h>
1550 const char *service_name = "qemu";
1551 const char *user = "frank";
1552 const struct pam_conv pam_conv = { 0 };
1553 pam_handle_t *pamh = NULL;
1554 pam_start(service_name, user, &pam_conv, &pamh);
1556 }''', dependencies: pam)
1558 if get_option('auth_pam').enabled()
1559 error('could not link libpam')
1561 warning('could not link libpam, disabling')
1566 if not get_option('snappy').auto() or have_system
1567 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1568 required: get_option('snappy'))
1570 if snappy.found() and not cc.links('''
1571 #include <snappy-c.h>
1572 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1574 if get_option('snappy').enabled()
1575 error('could not link libsnappy')
1577 warning('could not link libsnappy, disabling')
1582 if not get_option('lzo').auto() or have_system
1583 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1584 required: get_option('lzo'))
1586 if lzo.found() and not cc.links('''
1587 #include <lzo/lzo1x.h>
1588 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1590 if get_option('lzo').enabled()
1591 error('could not link liblzo2')
1593 warning('could not link liblzo2, disabling')
1598 if not get_option('numa').auto() or have_system or have_tools
1599 numa = cc.find_library('numa', has_headers: ['numa.h'],
1600 required: get_option('numa'))
1602 if numa.found() and not cc.links('''
1604 int main(void) { return numa_available(); }
1605 ''', dependencies: numa)
1607 if get_option('numa').enabled()
1608 error('could not link numa')
1610 warning('could not link numa, disabling')
1615 if not get_option('rdma').auto() or have_system
1616 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1617 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1618 required: get_option('rdma')),
1619 cc.find_library('ibverbs', required: get_option('rdma')),
1621 rdma = declare_dependency(dependencies: rdma_libs)
1622 foreach lib: rdma_libs
1630 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1631 xencontrol = dependency('xencontrol', required: false,
1632 method: 'pkg-config')
1633 if xencontrol.found()
1634 xen_pc = declare_dependency(version: xencontrol.version(),
1637 # disabler: true makes xen_pc.found() return false if any is not found
1638 dependency('xenstore', required: false,
1639 method: 'pkg-config',
1641 dependency('xenforeignmemory', required: false,
1642 method: 'pkg-config',
1644 dependency('xengnttab', required: false,
1645 method: 'pkg-config',
1647 dependency('xenevtchn', required: false,
1648 method: 'pkg-config',
1650 dependency('xendevicemodel', required: false,
1651 method: 'pkg-config',
1653 # optional, no "disabler: true"
1654 dependency('xentoolcore', required: false,
1655 method: 'pkg-config')])
1661 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1663 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1664 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1665 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1666 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1667 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1670 foreach ver: xen_tests
1671 # cache the various library tests to avoid polluting the logs
1673 foreach l: xen_libs[ver]
1674 if l not in xen_deps
1675 xen_deps += { l: cc.find_library(l, required: false) }
1677 xen_test_deps += xen_deps[l]
1680 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1681 xen_version = ver.split('.')
1682 xen_ctrl_version = xen_version[0] + \
1683 ('0' + xen_version[1]).substring(-2) + \
1684 ('0' + xen_version[2]).substring(-2)
1685 if cc.links(files('scripts/xen-detect.c'),
1686 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1687 dependencies: xen_test_deps)
1688 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1694 accelerators += 'CONFIG_XEN'
1695 elif get_option('xen').enabled()
1696 error('could not compile and link Xen test program')
1699 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1700 .require(xen.found(),
1701 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1702 .require(targetos == 'linux',
1703 error_message: 'Xen PCI passthrough not available on this platform') \
1704 .require(cpu == 'x86' or cpu == 'x86_64',
1705 error_message: 'Xen PCI passthrough not available on this platform') \
1710 if not get_option('smartcard').auto() or have_system
1711 cacard = dependency('libcacard', required: get_option('smartcard'),
1712 version: '>=2.5.1', method: 'pkg-config')
1716 u2f = dependency('u2f-emu', required: get_option('u2f'),
1717 method: 'pkg-config')
1721 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1722 method: 'pkg-config')
1724 usbredir = not_found
1725 if not get_option('usb_redir').auto() or have_system
1726 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1727 version: '>=0.6', method: 'pkg-config')
1730 if not get_option('libusb').auto() or have_system
1731 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1732 version: '>=1.0.13', method: 'pkg-config')
1736 if not get_option('libpmem').auto() or have_system
1737 libpmem = dependency('libpmem', required: get_option('libpmem'),
1738 method: 'pkg-config')
1740 libdaxctl = not_found
1741 if not get_option('libdaxctl').auto() or have_system
1742 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1743 version: '>=57', method: 'pkg-config')
1747 tasn1 = dependency('libtasn1',
1748 method: 'pkg-config')
1750 keyutils = not_found
1751 if not get_option('libkeyutils').auto() or have_block
1752 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1753 method: 'pkg-config')
1756 has_gettid = cc.has_function('gettid')
1759 selinux = dependency('libselinux',
1760 required: get_option('selinux'),
1761 method: 'pkg-config')
1766 if get_option('malloc') == 'system'
1768 get_option('malloc_trim').allowed() and \
1769 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1771 has_malloc_trim = false
1772 malloc = cc.find_library(get_option('malloc'), required: true)
1774 if not has_malloc_trim and get_option('malloc_trim').enabled()
1775 if get_option('malloc') == 'system'
1776 error('malloc_trim not available on this platform.')
1778 error('malloc_trim not available with non-libc memory allocator')
1782 gnu_source_prefix = '''
1788 # Check whether the glibc provides STATX_BASIC_STATS
1790 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1792 # Check whether statx() provides mount ID information
1794 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1796 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1797 .require(targetos == 'linux',
1798 error_message: 'vhost_user_blk_server requires linux') \
1799 .require(have_vhost_user,
1800 error_message: 'vhost_user_blk_server requires vhost-user support') \
1801 .disable_auto_if(not have_tools and not have_system) \
1804 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1805 error('Cannot enable fuse-lseek while fuse is disabled')
1808 fuse = dependency('fuse3', required: get_option('fuse'),
1809 version: '>=3.1', method: 'pkg-config')
1811 fuse_lseek = not_found
1812 if get_option('fuse_lseek').allowed()
1813 if fuse.version().version_compare('>=3.8')
1815 fuse_lseek = declare_dependency()
1816 elif get_option('fuse_lseek').enabled()
1818 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1820 error('fuse-lseek requires libfuse, which was not found')
1825 have_libvduse = (targetos == 'linux')
1826 if get_option('libvduse').enabled()
1827 if targetos != 'linux'
1828 error('libvduse requires linux')
1830 elif get_option('libvduse').disabled()
1831 have_libvduse = false
1834 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1835 if get_option('vduse_blk_export').enabled()
1836 if targetos != 'linux'
1837 error('vduse_blk_export requires linux')
1838 elif not have_libvduse
1839 error('vduse_blk_export requires libvduse support')
1841 elif get_option('vduse_blk_export').disabled()
1842 have_vduse_blk_export = false
1846 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1847 if libbpf.found() and not cc.links('''
1848 #include <bpf/libbpf.h>
1851 bpf_object__destroy_skeleton(NULL);
1853 }''', dependencies: libbpf)
1855 if get_option('bpf').enabled()
1856 error('libbpf skeleton test failed')
1858 warning('libbpf skeleton test failed, disabling')
1864 if not get_option('af_xdp').auto() or have_system
1865 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1866 version: '>=1.4.0', method: 'pkg-config')
1871 if not get_option('libdw').auto() or \
1872 (not get_option('prefer_static') and (have_system or have_user))
1873 libdw = dependency('libdw',
1874 method: 'pkg-config',
1875 required: get_option('libdw'))
1882 audio_drivers_selected = []
1884 audio_drivers_available = {
1885 'alsa': alsa.found(),
1886 'coreaudio': coreaudio.found(),
1887 'dsound': dsound.found(),
1888 'jack': jack.found(),
1890 'pa': pulse.found(),
1891 'pipewire': pipewire.found(),
1893 'sndio': sndio.found(),
1895 foreach k, v: audio_drivers_available
1896 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1899 # Default to native drivers first, OSS second, SDL third
1900 audio_drivers_priority = \
1901 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1902 (targetos == 'linux' ? [] : [ 'sdl' ])
1903 audio_drivers_default = []
1904 foreach k: audio_drivers_priority
1905 if audio_drivers_available[k]
1906 audio_drivers_default += k
1910 foreach k: get_option('audio_drv_list')
1912 audio_drivers_selected += audio_drivers_default
1913 elif not audio_drivers_available[k]
1914 error('Audio driver "@0@" not available.'.format(k))
1916 audio_drivers_selected += k
1920 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1921 '"' + '", "'.join(audio_drivers_selected) + '", ')
1923 if get_option('cfi')
1925 # Check for dependency on LTO
1926 if not get_option('b_lto')
1927 error('Selected Control-Flow Integrity but LTO is disabled')
1930 error('Selected Control-Flow Integrity is not compatible with modules')
1932 # Check for cfi flags. CFI requires LTO so we can't use
1933 # get_supported_arguments, but need a more complex "compiles" which allows
1935 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1936 args: ['-flto', '-fsanitize=cfi-icall'] )
1937 cfi_flags += '-fsanitize=cfi-icall'
1939 error('-fsanitize=cfi-icall is not supported by the compiler')
1941 if cc.compiles('int main () { return 0; }',
1942 name: '-fsanitize-cfi-icall-generalize-pointers',
1943 args: ['-flto', '-fsanitize=cfi-icall',
1944 '-fsanitize-cfi-icall-generalize-pointers'] )
1945 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1947 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1949 if get_option('cfi_debug')
1950 if cc.compiles('int main () { return 0; }',
1951 name: '-fno-sanitize-trap=cfi-icall',
1952 args: ['-flto', '-fsanitize=cfi-icall',
1953 '-fno-sanitize-trap=cfi-icall'] )
1954 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1956 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1959 add_global_arguments(cfi_flags, native: false, language: all_languages)
1960 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1963 have_host_block_device = (targetos != 'darwin' or
1964 cc.has_header('IOKit/storage/IOMedia.h'))
1966 dbus_display = get_option('dbus_display') \
1967 .require(gio.version().version_compare('>=2.64'),
1968 error_message: '-display dbus requires glib>=2.64') \
1969 .require(gdbus_codegen.found(),
1970 error_message: gdbus_codegen_error.format('-display dbus')) \
1973 have_virtfs = get_option('virtfs') \
1974 .require(targetos == 'linux' or targetos == 'darwin',
1975 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1976 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1977 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1978 .require(targetos == 'darwin' or libattr.found(),
1979 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1980 .disable_auto_if(not have_tools and not have_system) \
1983 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1984 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1985 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1986 .disable_auto_if(not have_tools) \
1987 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
1990 if get_option('block_drv_ro_whitelist') == ''
1991 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1993 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1994 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1996 if get_option('block_drv_rw_whitelist') == ''
1997 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1999 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2000 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2003 foreach k : get_option('trace_backends')
2004 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2006 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2007 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2009 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2011 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2012 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2013 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2014 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2015 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2017 qemu_firmwarepath = ''
2018 foreach k : get_option('qemu_firmwarepath')
2019 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2021 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2023 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2024 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2025 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2026 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2027 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2028 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2031 config_host_data.set('CONFIG_STAMP', run_command(
2032 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2033 meson.project_version(), get_option('pkgversion'), '--',
2034 meson.current_source_dir() / 'configure',
2035 capture: true, check: true).stdout().strip())
2038 have_slirp_smbd = get_option('slirp_smbd') \
2039 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2042 smbd_path = get_option('smbd')
2044 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2046 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2049 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2051 if get_option('module_upgrades') and not enable_modules
2052 error('Cannot enable module-upgrades as modules are not enabled')
2054 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2056 config_host_data.set('CONFIG_ATTR', libattr.found())
2057 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2058 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2059 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2060 config_host_data.set('CONFIG_COCOA', cocoa.found())
2061 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2062 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2063 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2064 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2065 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2066 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2067 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2068 config_host_data.set('CONFIG_LZO', lzo.found())
2069 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2070 config_host_data.set('CONFIG_BLKIO', blkio.found())
2072 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2073 blkio.version().version_compare('>=1.3.0'))
2075 config_host_data.set('CONFIG_CURL', curl.found())
2076 config_host_data.set('CONFIG_CURSES', curses.found())
2077 config_host_data.set('CONFIG_GBM', gbm.found())
2078 config_host_data.set('CONFIG_GIO', gio.found())
2079 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2080 if glusterfs.found()
2081 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2082 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2083 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2084 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2085 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2086 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2088 config_host_data.set('CONFIG_GTK', gtk.found())
2089 config_host_data.set('CONFIG_VTE', vte.found())
2090 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2091 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2092 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2093 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2094 config_host_data.set('CONFIG_EBPF', libbpf.found())
2095 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2096 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2097 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2098 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2099 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2100 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2101 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2102 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2103 config_host_data.set('CONFIG_MODULES', enable_modules)
2104 config_host_data.set('CONFIG_NUMA', numa.found())
2106 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2107 cc.has_function('numa_has_preferred_many',
2108 dependencies: numa))
2110 config_host_data.set('CONFIG_OPENGL', opengl.found())
2111 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2112 config_host_data.set('CONFIG_RBD', rbd.found())
2113 config_host_data.set('CONFIG_RDMA', rdma.found())
2114 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2115 config_host_data.set('CONFIG_SDL', sdl.found())
2116 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2117 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2119 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2121 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2122 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2123 if get_option('tcg').allowed()
2124 config_host_data.set('CONFIG_TCG', 1)
2125 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2127 config_host_data.set('CONFIG_TPM', have_tpm)
2128 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2129 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2130 config_host_data.set('CONFIG_VDE', vde.found())
2131 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2132 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2133 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2134 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2135 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2136 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2137 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2138 config_host_data.set('CONFIG_VMNET', vmnet.found())
2139 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2140 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2141 config_host_data.set('CONFIG_PNG', png.found())
2142 config_host_data.set('CONFIG_VNC', vnc.found())
2143 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2144 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2145 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2146 config_host_data.set('CONFIG_VTE', vte.found())
2147 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2148 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2149 config_host_data.set('CONFIG_GETTID', has_gettid)
2150 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2151 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2152 config_host_data.set('CONFIG_TASN1', tasn1.found())
2153 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2154 config_host_data.set('CONFIG_NETTLE', nettle.found())
2155 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2156 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2157 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2158 config_host_data.set('CONFIG_STATX', has_statx)
2159 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2160 config_host_data.set('CONFIG_ZSTD', zstd.found())
2161 config_host_data.set('CONFIG_FUSE', fuse.found())
2162 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2163 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2164 if spice_protocol.found()
2165 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2166 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2167 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2169 config_host_data.set('CONFIG_SPICE', spice.found())
2170 config_host_data.set('CONFIG_X11', x11.found())
2171 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2172 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2173 config_host_data.set('CONFIG_SELINUX', selinux.found())
2174 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2175 config_host_data.set('CONFIG_LIBDW', libdw.found())
2177 # protect from xen.version() having less than three components
2178 xen_version = xen.version().split('.') + ['0', '0']
2179 xen_ctrl_version = xen_version[0] + \
2180 ('0' + xen_version[1]).substring(-2) + \
2181 ('0' + xen_version[2]).substring(-2)
2182 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2184 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2185 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2186 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2187 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2189 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2190 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2192 have_coroutine_pool = get_option('coroutine_pool')
2193 if get_option('debug_stack_usage') and have_coroutine_pool
2194 message('Disabling coroutine pool to measure stack usage')
2195 have_coroutine_pool = false
2197 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2198 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2199 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2200 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2201 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2202 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2203 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2204 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2207 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2208 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2209 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2210 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2211 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2212 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2213 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2214 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2215 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2216 if targetos == 'windows'
2217 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2221 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2222 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2223 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2224 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2225 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2226 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2227 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2228 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2229 # Note that we need to specify prefix: here to avoid incorrectly
2230 # thinking that Windows has posix_memalign()
2231 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2232 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2233 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2234 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2235 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2236 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2237 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2238 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2239 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2240 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2241 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2242 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2243 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2244 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2245 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2246 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2247 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2248 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2250 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2251 cc.has_function('rbd_namespace_exists',
2253 prefix: '#include <rbd/librbd.h>'))
2256 config_host_data.set('HAVE_IBV_ADVISE_MR',
2257 cc.has_function('ibv_advise_mr',
2259 prefix: '#include <infiniband/verbs.h>'))
2262 have_asan_fiber = false
2263 if get_option('sanitizers') and \
2264 not cc.has_function('__sanitizer_start_switch_fiber',
2265 args: '-fsanitize=address',
2266 prefix: '#include <sanitizer/asan_interface.h>')
2267 warning('Missing ASAN due to missing fiber annotation interface')
2268 warning('Without code annotation, the report may be inferior.')
2270 have_asan_fiber = true
2272 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2275 config_host_data.set('CONFIG_BLKZONED',
2276 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2277 config_host_data.set('CONFIG_EPOLL_CREATE1',
2278 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2279 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2280 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2281 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2282 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2283 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2284 config_host_data.set('CONFIG_FIEMAP',
2285 cc.has_header('linux/fiemap.h') and
2286 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2287 config_host_data.set('CONFIG_GETRANDOM',
2288 cc.has_function('getrandom') and
2289 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2290 config_host_data.set('CONFIG_INOTIFY',
2291 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2292 config_host_data.set('CONFIG_INOTIFY1',
2293 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2294 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2295 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2296 config_host_data.set('CONFIG_RTNETLINK',
2297 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2298 config_host_data.set('CONFIG_SYSMACROS',
2299 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2300 config_host_data.set('HAVE_OPTRESET',
2301 cc.has_header_symbol('getopt.h', 'optreset'))
2302 config_host_data.set('HAVE_IPPROTO_MPTCP',
2303 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2306 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2307 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2308 prefix: '#include <signal.h>'))
2309 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2310 cc.has_member('struct stat', 'st_atim',
2311 prefix: '#include <sys/stat.h>'))
2312 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2313 cc.has_member('struct blk_zone', 'capacity',
2314 prefix: '#include <linux/blkzoned.h>'))
2317 config_host_data.set('CONFIG_IOVEC',
2318 cc.has_type('struct iovec',
2319 prefix: '#include <sys/uio.h>'))
2320 config_host_data.set('HAVE_UTMPX',
2321 cc.has_type('struct utmpx',
2322 prefix: '#include <utmpx.h>'))
2324 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2325 #include <sys/eventfd.h>
2326 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2327 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2330 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2331 return fdatasync(0);
2333 #error Not supported
2337 has_madvise = cc.links(gnu_source_prefix + '''
2338 #include <sys/types.h>
2339 #include <sys/mman.h>
2341 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2342 missing_madvise_proto = false
2344 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2345 # but forget to prototype it. In this case, has_madvise will be true (the
2346 # test program links despite a compile warning). To detect the
2347 # missing-prototype case, we try again with a definitely-bogus prototype.
2348 # This will only compile if the system headers don't provide the prototype;
2349 # otherwise the conflicting prototypes will cause a compiler error.
2350 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2351 #include <sys/types.h>
2352 #include <sys/mman.h>
2354 extern int madvise(int);
2355 int main(void) { return madvise(0); }''')
2357 config_host_data.set('CONFIG_MADVISE', has_madvise)
2358 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2360 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2361 #include <sys/mman.h>
2362 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2363 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2365 #if !defined(AT_EMPTY_PATH)
2366 # error missing definition
2368 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2370 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2371 #include <sys/mman.h>
2373 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2375 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2376 #include <pthread.h>
2378 static void *f(void *p) { return NULL; }
2382 pthread_create(&thread, 0, f, 0);
2383 pthread_setname_np(thread, "QEMU");
2385 }''', dependencies: threads))
2386 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2387 #include <pthread.h>
2389 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2393 pthread_create(&thread, 0, f, 0);
2395 }''', dependencies: threads))
2396 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2397 #include <pthread.h>
2398 #include <pthread_np.h>
2400 static void *f(void *p) { return NULL; }
2404 pthread_create(&thread, 0, f, 0);
2405 pthread_set_name_np(thread, "QEMU");
2407 }''', dependencies: threads))
2408 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2409 #include <pthread.h>
2414 pthread_condattr_t attr
2415 pthread_condattr_init(&attr);
2416 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2418 }''', dependencies: threads))
2419 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2420 #include <pthread.h>
2422 static void *f(void *p) { return NULL; }
2425 int setsize = CPU_ALLOC_SIZE(64);
2428 pthread_create(&thread, 0, f, 0);
2429 cpuset = CPU_ALLOC(64);
2430 CPU_ZERO_S(setsize, cpuset);
2431 pthread_setaffinity_np(thread, setsize, cpuset);
2432 pthread_getaffinity_np(thread, setsize, cpuset);
2435 }''', dependencies: threads))
2436 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2437 #include <sys/signalfd.h>
2439 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2440 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2448 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2449 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2453 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2454 #include <sys/mman.h>
2456 return mlockall(MCL_FUTURE);
2460 if get_option('l2tpv3').allowed() and have_system
2461 have_l2tpv3 = cc.has_type('struct mmsghdr',
2462 prefix: gnu_source_prefix + '''
2463 #include <sys/socket.h>
2464 #include <linux/ip.h>''')
2466 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2469 if get_option('netmap').allowed() and have_system
2470 have_netmap = cc.compiles('''
2471 #include <inttypes.h>
2473 #include <net/netmap.h>
2474 #include <net/netmap_user.h>
2475 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2478 int main(void) { return 0; }''')
2479 if not have_netmap and get_option('netmap').enabled()
2480 error('Netmap headers not available')
2483 config_host_data.set('CONFIG_NETMAP', have_netmap)
2485 # Work around a system header bug with some kernel/XFS header
2486 # versions where they both try to define 'struct fsxattr':
2487 # xfs headers will not try to redefine structs from linux headers
2488 # if this macro is set.
2489 config_host_data.set('HAVE_FSXATTR', cc.links('''
2490 #include <linux/fs.h>
2496 # Some versions of Mac OS X incorrectly define SIZE_MAX
2497 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2501 return printf("%zu", SIZE_MAX);
2502 }''', args: ['-Werror']))
2504 # See if 64-bit atomic operations are supported.
2505 # Note that without __atomic builtins, we can only
2506 # assume atomic loads/stores max at pointer size.
2507 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2511 uint64_t x = 0, y = 0;
2512 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2513 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2514 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2515 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2516 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2520 has_int128_type = cc.compiles('''
2523 int main(void) { b = a; }''')
2524 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2526 has_int128 = has_int128_type and cc.links('''
2535 config_host_data.set('CONFIG_INT128', has_int128)
2538 # "do we have 128-bit atomics which are handled inline and specifically not
2539 # via libatomic". The reason we can't use libatomic is documented in the
2540 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2541 # We only care about these operations on 16-byte aligned pointers, so
2542 # force 16-byte alignment of the pointer, which may be greater than
2543 # __alignof(unsigned __int128) for the host.
2544 atomic_test_128 = '''
2545 int main(int ac, char **av) {
2546 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2547 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2548 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2549 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2552 has_atomic128 = cc.links(atomic_test_128)
2554 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2556 if not has_atomic128
2557 # Even with __builtin_assume_aligned, the above test may have failed
2558 # without optimization enabled. Try again with optimizations locally
2559 # enabled for the function. See
2560 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2561 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2562 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2564 if not has_atomic128_opt
2565 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2568 __uint128_t x = 0, y = 0;
2569 __sync_val_compare_and_swap_16(&x, y, x);
2577 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2578 #include <sys/auxv.h>
2580 return getauxval(AT_HWCAP) == 0;
2583 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2584 #include <linux/usbdevice_fs.h>
2586 #ifndef USBDEVFS_GET_CAPABILITIES
2587 #error "USBDEVFS_GET_CAPABILITIES undefined"
2590 #ifndef USBDEVFS_DISCONNECT_CLAIM
2591 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2594 int main(void) { return 0; }'''))
2596 have_keyring = get_option('keyring') \
2597 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2598 .require(cc.compiles('''
2600 #include <asm/unistd.h>
2601 #include <linux/keyctl.h>
2602 #include <sys/syscall.h>
2605 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2606 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2607 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2609 have_cpuid_h = cc.links('''
2612 unsigned a, b, c, d;
2613 unsigned max = __get_cpuid_max(0, 0);
2616 __cpuid(1, a, b, c, d);
2620 __cpuid_count(7, 0, a, b, c, d);
2625 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2627 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2628 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2629 .require(cc.links('''
2631 #include <immintrin.h>
2632 static int __attribute__((target("avx2"))) bar(void *a) {
2633 __m256i x = *(__m256i *)a;
2634 return _mm256_testz_si256(x, x);
2636 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2637 '''), error_message: 'AVX2 not available').allowed())
2639 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2640 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2641 .require(cc.links('''
2643 #include <immintrin.h>
2644 static int __attribute__((target("avx512f"))) bar(void *a) {
2645 __m512i x = *(__m512i *)a;
2646 return _mm512_test_epi64_mask(x, x);
2648 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2649 '''), error_message: 'AVX512F not available').allowed())
2651 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2652 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2653 .require(cc.links('''
2655 #include <immintrin.h>
2656 static int __attribute__((target("avx512bw"))) bar(void *a) {
2658 __m512i res= _mm512_abs_epi8(*x);
2661 int main(int argc, char *argv[]) { return bar(argv[0]); }
2662 '''), error_message: 'AVX512BW not available').allowed())
2664 # For both AArch64 and AArch32, detect if builtins are available.
2665 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2666 #include <arm_neon.h>
2667 #ifndef __ARM_FEATURE_AES
2668 __attribute__((target("+crypto")))
2670 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2673 have_pvrdma = get_option('pvrdma') \
2674 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2675 .require(cc.compiles(gnu_source_prefix + '''
2676 #include <sys/mman.h>
2681 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2684 }'''), error_message: 'PVRDMA requires mremap').allowed()
2687 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2688 #include <infiniband/verbs.h>
2692 struct ibv_pd *pd = NULL;
2698 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2704 if get_option('membarrier').disabled()
2705 have_membarrier = false
2706 elif targetos == 'windows'
2707 have_membarrier = true
2708 elif targetos == 'linux'
2709 have_membarrier = cc.compiles('''
2710 #include <linux/membarrier.h>
2711 #include <sys/syscall.h>
2715 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2716 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2720 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2721 .require(have_membarrier, error_message: 'membarrier system call not available') \
2724 have_afalg = get_option('crypto_afalg') \
2725 .require(cc.compiles(gnu_source_prefix + '''
2727 #include <sys/types.h>
2728 #include <sys/socket.h>
2729 #include <linux/if_alg.h>
2732 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2735 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2736 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2738 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2739 'linux/vm_sockets.h', 'AF_VSOCK',
2740 prefix: '#include <sys/socket.h>',
2744 have_vss_sdk = false # old xp/2003 SDK
2745 if targetos == 'windows' and 'cpp' in all_languages
2746 have_vss = cxx.compiles('''
2747 #define __MIDL_user_allocate_free_DEFINED__
2749 int main(void) { return VSS_CTX_BACKUP; }''')
2750 have_vss_sdk = cxx.has_header('vscoordint.h')
2752 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2754 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2755 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2756 if targetos == 'windows'
2757 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2763 }''', name: '_lock_file and _unlock_file'))
2766 if targetos == 'windows'
2767 mingw_has_setjmp_longjmp = cc.links('''
2771 * These functions are not available in setjmp header, but may be
2772 * available at link time, from libmingwex.a.
2774 extern int __mingw_setjmp(jmp_buf);
2775 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2777 __mingw_setjmp(env);
2778 __mingw_longjmp(env, 0);
2780 ''', name: 'mingw setjmp and longjmp')
2782 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2783 error('mingw must provide setjmp/longjmp for windows-arm64')
2787 ########################
2788 # Target configuration #
2789 ########################
2791 minikconf = find_program('scripts/minikconf.py')
2793 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2795 if targetos == 'darwin'
2796 config_targetos += {'CONFIG_DARWIN': 'y'}
2797 elif targetos == 'linux'
2798 config_targetos += {'CONFIG_LINUX': 'y'}
2800 if targetos in bsd_oses
2801 config_targetos += {'CONFIG_BSD': 'y'}
2805 config_all_devices = {}
2806 config_all_disas = {}
2807 config_devices_mak_list = []
2808 config_devices_h = {}
2809 config_target_h = {}
2810 config_target_mak = {}
2813 'alpha' : ['CONFIG_ALPHA_DIS'],
2814 'avr' : ['CONFIG_AVR_DIS'],
2815 'cris' : ['CONFIG_CRIS_DIS'],
2816 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2817 'hppa' : ['CONFIG_HPPA_DIS'],
2818 'i386' : ['CONFIG_I386_DIS'],
2819 'x86_64' : ['CONFIG_I386_DIS'],
2820 'm68k' : ['CONFIG_M68K_DIS'],
2821 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2822 'mips' : ['CONFIG_MIPS_DIS'],
2823 'nios2' : ['CONFIG_NIOS2_DIS'],
2824 'or1k' : ['CONFIG_OPENRISC_DIS'],
2825 'ppc' : ['CONFIG_PPC_DIS'],
2826 'riscv' : ['CONFIG_RISCV_DIS'],
2827 'rx' : ['CONFIG_RX_DIS'],
2828 's390' : ['CONFIG_S390_DIS'],
2829 'sh4' : ['CONFIG_SH4_DIS'],
2830 'sparc' : ['CONFIG_SPARC_DIS'],
2831 'xtensa' : ['CONFIG_XTENSA_DIS'],
2832 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2835 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2837 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2838 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2839 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2840 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2841 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2842 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2843 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2844 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2845 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2846 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2847 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2848 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2849 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2850 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2852 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2854 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2855 actual_target_dirs = []
2857 foreach target : target_dirs
2858 config_target = { 'TARGET_NAME': target.split('-')[0] }
2859 if target.endswith('linux-user')
2860 if targetos != 'linux'
2864 error('Target @0@ is only available on a Linux host'.format(target))
2866 config_target += { 'CONFIG_LINUX_USER': 'y' }
2867 elif target.endswith('bsd-user')
2868 if targetos not in bsd_oses
2872 error('Target @0@ is only available on a BSD host'.format(target))
2874 config_target += { 'CONFIG_BSD_USER': 'y' }
2875 elif target.endswith('softmmu')
2876 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2877 config_target += { 'CONFIG_SOFTMMU': 'y' }
2879 if target.endswith('-user')
2881 'CONFIG_USER_ONLY': 'y',
2882 'CONFIG_QEMU_INTERP_PREFIX':
2883 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2888 foreach sym: accelerators
2889 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2890 config_target += { sym: 'y' }
2891 config_all += { sym: 'y' }
2892 if target in modular_tcg
2893 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2895 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2897 accel_kconfig += [ sym + '=y' ]
2900 if accel_kconfig.length() == 0
2904 error('No accelerator available for target @0@'.format(target))
2907 actual_target_dirs += target
2908 config_target += keyval.load('configs/targets' / target + '.mak')
2909 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2911 if 'TARGET_NEED_FDT' in config_target
2912 fdt_required += target
2916 if 'TARGET_BASE_ARCH' not in config_target
2917 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2919 if 'TARGET_ABI_DIR' not in config_target
2920 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2922 if 'TARGET_BIG_ENDIAN' not in config_target
2923 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2926 foreach k, v: disassemblers
2927 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2929 config_target += { sym: 'y' }
2930 config_all_disas += { sym: 'y' }
2935 config_target_data = configuration_data()
2936 foreach k, v: config_target
2937 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2939 elif ignored.contains(k)
2941 elif k == 'TARGET_BASE_ARCH'
2942 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2943 # not used to select files from sourcesets.
2944 config_target_data.set('TARGET_' + v.to_upper(), 1)
2945 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2946 config_target_data.set_quoted(k, v)
2948 config_target_data.set(k, 1)
2950 config_target_data.set(k, 0)
2952 config_target_data.set(k, v)
2955 config_target_data.set('QEMU_ARCH',
2956 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2957 config_target_h += {target: configure_file(output: target + '-config-target.h',
2958 configuration: config_target_data)}
2960 if target.endswith('-softmmu')
2961 config_input = meson.get_external_property(target, 'default')
2962 config_devices_mak = target + '-config-devices.mak'
2963 config_devices_mak = configure_file(
2964 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2965 output: config_devices_mak,
2966 depfile: config_devices_mak + '.d',
2968 command: [minikconf,
2969 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2970 config_devices_mak, '@DEPFILE@', '@INPUT@',
2971 host_kconfig, accel_kconfig,
2972 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2974 config_devices_data = configuration_data()
2975 config_devices = keyval.load(config_devices_mak)
2976 foreach k, v: config_devices
2977 config_devices_data.set(k, 1)
2979 config_devices_mak_list += config_devices_mak
2980 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2981 configuration: config_devices_data)}
2982 config_target += config_devices
2983 config_all_devices += config_devices
2985 config_target_mak += {target: config_target}
2987 target_dirs = actual_target_dirs
2989 # This configuration is used to build files that are shared by
2990 # multiple binaries, and then extracted out of the "common"
2991 # static_library target.
2993 # We do not use all_sources()/all_dependencies(), because it would
2994 # build literally all source files, including devices only used by
2995 # targets that are not built for this compilation. The CONFIG_ALL
2996 # pseudo symbol replaces it.
2998 config_all += config_all_devices
2999 config_all += config_targetos
3000 config_all += config_all_disas
3002 'CONFIG_XEN': xen.found(),
3003 'CONFIG_SYSTEM_ONLY': have_system,
3004 'CONFIG_USER_ONLY': have_user,
3008 target_configs_h = []
3009 foreach target: target_dirs
3010 target_configs_h += config_target_h[target]
3011 target_configs_h += config_devices_h.get(target, [])
3013 genh += custom_target('config-poison.h',
3014 input: [target_configs_h],
3015 output: 'config-poison.h',
3017 command: [find_program('scripts/make-config-poison.sh'),
3024 capstone = not_found
3025 if not get_option('capstone').auto() or have_system or have_user
3026 capstone = dependency('capstone', version: '>=3.0.5',
3027 method: 'pkg-config',
3028 required: get_option('capstone'))
3030 # Some versions of capstone have broken pkg-config file
3031 # that reports a wrong -I path, causing the #include to
3032 # fail later. If the system has such a broken version
3034 if capstone.found() and not cc.compiles('#include <capstone.h>',
3035 dependencies: [capstone])
3036 capstone = not_found
3037 if get_option('capstone').enabled()
3038 error('capstone requested, but it does not appear to work')
3043 libvfio_user_dep = not_found
3044 if have_system and vfio_user_server_allowed
3045 libvfio_user_proj = subproject('libvfio-user', required: true)
3046 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3050 fdt_opt = get_option('fdt')
3051 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3052 if fdt_opt == 'disabled'
3053 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3056 if fdt_opt in ['enabled', 'auto', 'system']
3057 if get_option('wrap_mode') == 'nodownload'
3060 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3061 if fdt.found() and cc.links('''
3063 #include <libfdt_env.h>
3064 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3067 elif fdt_opt == 'system'
3068 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3070 fdt_opt = 'internal'
3075 assert(fdt_opt == 'internal')
3076 libfdt_proj = subproject('dtc', required: true,
3077 default_options: ['tools=false', 'yaml=disabled',
3078 'python=disabled', 'default_library=static'])
3079 fdt = libfdt_proj.get_variable('libfdt_dep')
3082 fdt_opt = 'disabled'
3085 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3086 config_host_data.set('CONFIG_FDT', fdt.found())
3087 config_host_data.set('CONFIG_SLIRP', slirp.found())
3089 #####################
3090 # Generated sources #
3091 #####################
3093 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3095 hxtool = find_program('scripts/hxtool')
3096 shaderinclude = find_program('scripts/shaderinclude.py')
3097 qapi_gen = find_program('scripts/qapi-gen.py')
3098 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3099 meson.current_source_dir() / 'scripts/qapi/commands.py',
3100 meson.current_source_dir() / 'scripts/qapi/common.py',
3101 meson.current_source_dir() / 'scripts/qapi/error.py',
3102 meson.current_source_dir() / 'scripts/qapi/events.py',
3103 meson.current_source_dir() / 'scripts/qapi/expr.py',
3104 meson.current_source_dir() / 'scripts/qapi/gen.py',
3105 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3106 meson.current_source_dir() / 'scripts/qapi/main.py',
3107 meson.current_source_dir() / 'scripts/qapi/parser.py',
3108 meson.current_source_dir() / 'scripts/qapi/schema.py',
3109 meson.current_source_dir() / 'scripts/qapi/source.py',
3110 meson.current_source_dir() / 'scripts/qapi/types.py',
3111 meson.current_source_dir() / 'scripts/qapi/visit.py',
3112 meson.current_source_dir() / 'scripts/qapi-gen.py'
3116 python, files('scripts/tracetool.py'),
3117 '--backend=' + ','.join(get_option('trace_backends'))
3119 tracetool_depends = files(
3120 'scripts/tracetool/backend/log.py',
3121 'scripts/tracetool/backend/__init__.py',
3122 'scripts/tracetool/backend/dtrace.py',
3123 'scripts/tracetool/backend/ftrace.py',
3124 'scripts/tracetool/backend/simple.py',
3125 'scripts/tracetool/backend/syslog.py',
3126 'scripts/tracetool/backend/ust.py',
3127 'scripts/tracetool/format/ust_events_c.py',
3128 'scripts/tracetool/format/ust_events_h.py',
3129 'scripts/tracetool/format/__init__.py',
3130 'scripts/tracetool/format/d.py',
3131 'scripts/tracetool/format/simpletrace_stap.py',
3132 'scripts/tracetool/format/c.py',
3133 'scripts/tracetool/format/h.py',
3134 'scripts/tracetool/format/log_stap.py',
3135 'scripts/tracetool/format/stap.py',
3136 'scripts/tracetool/__init__.py',
3137 'scripts/tracetool/vcpu.py'
3140 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3141 meson.current_source_dir(),
3142 get_option('pkgversion'), meson.project_version()]
3143 qemu_version = custom_target('qemu-version.h',
3144 output: 'qemu-version.h',
3145 command: qemu_version_cmd,
3147 build_by_default: true,
3148 build_always_stale: true)
3149 genh += qemu_version
3153 ['qemu-options.hx', 'qemu-options.def'],
3154 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3158 ['hmp-commands.hx', 'hmp-commands.h'],
3159 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3162 foreach d : hx_headers
3163 hxdep += custom_target(d[1],
3167 command: [hxtool, '-h', '@INPUT0@'])
3175 authz_ss = ss.source_set()
3176 blockdev_ss = ss.source_set()
3177 block_ss = ss.source_set()
3178 chardev_ss = ss.source_set()
3179 common_ss = ss.source_set()
3180 crypto_ss = ss.source_set()
3181 hwcore_ss = ss.source_set()
3182 io_ss = ss.source_set()
3183 qmp_ss = ss.source_set()
3184 qom_ss = ss.source_set()
3185 system_ss = ss.source_set()
3186 specific_fuzz_ss = ss.source_set()
3187 specific_ss = ss.source_set()
3188 stub_ss = ss.source_set()
3189 trace_ss = ss.source_set()
3190 user_ss = ss.source_set()
3191 util_ss = ss.source_set()
3194 qtest_module_ss = ss.source_set()
3195 tcg_module_ss = ss.source_set()
3201 target_system_arch = {}
3202 target_user_arch = {}
3208 # TODO: add each directory to the subdirs from its own meson.build, once
3210 trace_events_subdirs = [
3219 trace_events_subdirs += [ 'linux-user' ]
3222 trace_events_subdirs += [ 'bsd-user' ]
3225 trace_events_subdirs += [
3234 trace_events_subdirs += [
3248 'hw/block/dataplane',
3299 if have_system or have_user
3300 trace_events_subdirs += [
3318 vhost_user = not_found
3319 if targetos == 'linux' and have_vhost_user
3320 libvhost_user = subproject('libvhost-user')
3321 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3324 libvduse = not_found
3326 libvduse_proj = subproject('libvduse')
3327 libvduse = libvduse_proj.get_variable('libvduse_dep')
3330 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3331 # that is filled in by qapi/.
3345 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3346 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3349 qom_ss = qom_ss.apply(config_targetos, strict: false)
3350 libqom = static_library('qom', qom_ss.sources() + genh,
3351 dependencies: [qom_ss.dependencies()],
3353 build_by_default: false)
3354 qom = declare_dependency(link_whole: libqom)
3356 event_loop_base = files('event-loop-base.c')
3357 event_loop_base = static_library('event-loop-base',
3358 sources: event_loop_base + genh,
3360 build_by_default: false)
3361 event_loop_base = declare_dependency(link_whole: event_loop_base,
3362 dependencies: [qom])
3364 stub_ss = stub_ss.apply(config_all, strict: false)
3366 util_ss.add_all(trace_ss)
3367 util_ss = util_ss.apply(config_all, strict: false)
3368 libqemuutil = static_library('qemuutil',
3369 build_by_default: false,
3370 sources: util_ss.sources() + stub_ss.sources() + genh,
3371 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3372 qemuutil = declare_dependency(link_with: libqemuutil,
3373 sources: genh + version_res,
3374 dependencies: [event_loop_base])
3376 if have_system or have_user
3377 decodetree = generator(find_program('scripts/decodetree.py'),
3378 output: 'decode-@BASENAME@.c.inc',
3379 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3380 subdir('libdecnumber')
3397 if config_host_data.get('CONFIG_REPLICATION')
3398 block_ss.add(files('replication.c'))
3405 blockdev_ss.add(files(
3412 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3413 # os-win32.c does not
3414 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3415 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3418 common_ss.add(files('cpu-common.c'))
3419 specific_ss.add(files('cpu-target.c'))
3423 # Work around a gcc bug/misfeature wherein constant propagation looks
3425 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3426 # to guess that a const variable is always zero. Without lto, this is
3427 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3428 # without lto, not even the alias is required -- we simply use different
3429 # declarations in different compilation units.
3430 pagevary = files('page-vary-common.c')
3431 if get_option('b_lto')
3432 pagevary_flags = ['-fno-lto']
3433 if get_option('cfi')
3434 pagevary_flags += '-fno-sanitize=cfi-icall'
3436 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3437 c_args: pagevary_flags)
3438 pagevary = declare_dependency(link_with: pagevary)
3440 common_ss.add(pagevary)
3441 specific_ss.add(files('page-vary-target.c'))
3449 subdir('semihosting')
3457 common_user_inc = []
3459 subdir('common-user')
3461 subdir('linux-user')
3463 # needed for fuzzing binaries
3464 subdir('tests/qtest/libqos')
3465 subdir('tests/qtest/fuzz')
3468 tcg_real_module_ss = ss.source_set()
3469 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3470 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3471 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3472 'tcg': tcg_real_module_ss }}
3474 ########################
3475 # Library dependencies #
3476 ########################
3478 modinfo_collect = find_program('scripts/modinfo-collect.py')
3479 modinfo_generate = find_program('scripts/modinfo-generate.py')
3484 foreach d, list : modules
3485 if not (d == 'block' ? have_block : have_system)
3489 foreach m, module_ss : list
3491 module_ss = module_ss.apply(config_all, strict: false)
3492 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3493 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3499 if module_ss.sources() != []
3500 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3501 # input. Sources can be used multiple times but objects are
3502 # unique when it comes to lookup in compile_commands.json.
3503 # Depnds on a mesion version with
3504 # https://github.com/mesonbuild/meson/pull/8900
3505 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3506 output: d + '-' + m + '.modinfo',
3507 input: module_ss.sources() + genh,
3509 command: [modinfo_collect, module_ss.sources()])
3513 block_ss.add_all(module_ss)
3515 system_ss.add_all(module_ss)
3521 foreach d, list : target_modules
3522 foreach m, module_ss : list
3524 foreach target : target_dirs
3525 if target.endswith('-softmmu')
3526 config_target = config_target_mak[target]
3527 config_target += config_targetos
3528 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3529 c_args = ['-DNEED_CPU_H',
3530 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3531 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3532 target_module_ss = module_ss.apply(config_target, strict: false)
3533 if target_module_ss.sources() != []
3534 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3535 sl = static_library(module_name,
3536 [genh, target_module_ss.sources()],
3537 dependencies: [modulecommon, target_module_ss.dependencies()],
3538 include_directories: target_inc,
3542 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3543 modinfo_files += custom_target(module_name + '.modinfo',
3544 output: module_name + '.modinfo',
3545 input: target_module_ss.sources() + genh,
3547 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3552 specific_ss.add_all(module_ss)
3558 foreach target : target_dirs
3559 if target.endswith('-softmmu')
3560 config_target = config_target_mak[target]
3561 config_devices_mak = target + '-config-devices.mak'
3562 modinfo_src = custom_target('modinfo-' + target + '.c',
3563 output: 'modinfo-' + target + '.c',
3564 input: modinfo_files,
3565 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3568 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3569 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3571 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3572 hw_arch[arch].add(modinfo_dep)
3577 nm = find_program('nm')
3578 undefsym = find_program('scripts/undefsym.py')
3579 block_syms = custom_target('block.syms', output: 'block.syms',
3580 input: [libqemuutil, block_mods],
3582 command: [undefsym, nm, '@INPUT@'])
3583 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3584 input: [libqemuutil, system_mods],
3586 command: [undefsym, nm, '@INPUT@'])
3588 authz_ss = authz_ss.apply(config_targetos, strict: false)
3589 libauthz = static_library('authz', authz_ss.sources() + genh,
3590 dependencies: [authz_ss.dependencies()],
3592 build_by_default: false)
3594 authz = declare_dependency(link_whole: libauthz,
3597 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3598 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3599 dependencies: [crypto_ss.dependencies()],
3601 build_by_default: false)
3603 crypto = declare_dependency(link_whole: libcrypto,
3604 dependencies: [authz, qom])
3606 io_ss = io_ss.apply(config_targetos, strict: false)
3607 libio = static_library('io', io_ss.sources() + genh,
3608 dependencies: [io_ss.dependencies()],
3609 link_with: libqemuutil,
3611 build_by_default: false)
3613 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3615 libmigration = static_library('migration', sources: migration_files + genh,
3617 build_by_default: false)
3618 migration = declare_dependency(link_with: libmigration,
3619 dependencies: [zlib, qom, io])
3620 system_ss.add(migration)
3622 block_ss = block_ss.apply(config_targetos, strict: false)
3623 libblock = static_library('block', block_ss.sources() + genh,
3624 dependencies: block_ss.dependencies(),
3625 link_depends: block_syms,
3627 build_by_default: false)
3629 block = declare_dependency(link_whole: [libblock],
3630 link_args: '@block.syms',
3631 dependencies: [crypto, io])
3633 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3634 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3635 dependencies: blockdev_ss.dependencies(),
3637 build_by_default: false)
3639 blockdev = declare_dependency(link_whole: [libblockdev],
3640 dependencies: [block, event_loop_base])
3642 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3643 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3644 dependencies: qmp_ss.dependencies(),
3646 build_by_default: false)
3648 qmp = declare_dependency(link_whole: [libqmp])
3650 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3652 dependencies: chardev_ss.dependencies(),
3653 build_by_default: false)
3655 chardev = declare_dependency(link_whole: libchardev)
3657 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3658 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3660 build_by_default: false)
3661 hwcore = declare_dependency(link_whole: libhwcore)
3662 common_ss.add(hwcore)
3668 emulator_modules = []
3669 foreach m : block_mods + system_mods
3670 emulator_modules += shared_module(m.name(),
3671 build_by_default: true,
3675 install_dir: qemu_moddir)
3677 if emulator_modules.length() > 0
3678 alias_target('modules', emulator_modules)
3681 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3682 common_ss.add(qom, qemuutil)
3684 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3685 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3687 common_all = common_ss.apply(config_all, strict: false)
3688 common_all = static_library('common',
3689 build_by_default: false,
3690 sources: common_all.sources() + genh,
3691 include_directories: common_user_inc,
3692 implicit_include_directories: false,
3693 dependencies: common_all.dependencies(),
3696 feature_to_c = find_program('scripts/feature_to_c.sh')
3698 if targetos == 'darwin'
3699 entitlement = find_program('scripts/entitlement.sh')
3703 foreach target : target_dirs
3704 config_target = config_target_mak[target]
3705 target_name = config_target['TARGET_NAME']
3706 target_base_arch = config_target['TARGET_BASE_ARCH']
3707 arch_srcs = [config_target_h[target]]
3709 c_args = ['-DNEED_CPU_H',
3710 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3711 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3712 link_args = emulator_link_args
3714 config_target += config_targetos
3715 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3716 if targetos == 'linux'
3717 target_inc += include_directories('linux-headers', is_system: true)
3719 if target.endswith('-softmmu')
3720 target_type='system'
3721 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3722 arch_srcs += t.sources()
3723 arch_deps += t.dependencies()
3725 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3726 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3727 arch_srcs += hw.sources()
3728 arch_deps += hw.dependencies()
3730 arch_srcs += config_devices_h[target]
3731 link_args += ['@block.syms', '@qemu.syms']
3733 abi = config_target['TARGET_ABI_DIR']
3735 target_inc += common_user_inc
3736 if target_base_arch in target_user_arch
3737 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3738 arch_srcs += t.sources()
3739 arch_deps += t.dependencies()
3741 if 'CONFIG_LINUX_USER' in config_target
3742 base_dir = 'linux-user'
3744 if 'CONFIG_BSD_USER' in config_target
3745 base_dir = 'bsd-user'
3746 target_inc += include_directories('bsd-user/' / targetos)
3747 target_inc += include_directories('bsd-user/host/' / host_arch)
3748 dir = base_dir / abi
3749 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3751 target_inc += include_directories(
3755 if 'CONFIG_LINUX_USER' in config_target
3756 dir = base_dir / abi
3757 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3758 if config_target.has_key('TARGET_SYSTBL_ABI')
3760 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3761 extra_args : config_target['TARGET_SYSTBL_ABI'])
3766 if 'TARGET_XML_FILES' in config_target
3767 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3768 output: target + '-gdbstub-xml.c',
3769 input: files(config_target['TARGET_XML_FILES'].split()),
3770 command: [feature_to_c, '@INPUT@'],
3772 arch_srcs += gdbstub_xml
3775 t = target_arch[target_base_arch].apply(config_target, strict: false)
3776 arch_srcs += t.sources()
3777 arch_deps += t.dependencies()
3779 target_common = common_ss.apply(config_target, strict: false)
3780 objects = common_all.extract_objects(target_common.sources())
3781 deps = target_common.dependencies()
3783 target_specific = specific_ss.apply(config_target, strict: false)
3784 arch_srcs += target_specific.sources()
3785 arch_deps += target_specific.dependencies()
3787 lib = static_library('qemu-' + target,
3788 sources: arch_srcs + genh,
3789 dependencies: arch_deps,
3791 include_directories: target_inc,
3793 build_by_default: false,
3796 if target.endswith('-softmmu')
3798 'name': 'qemu-system-' + target_name,
3799 'win_subsystem': 'console',
3800 'sources': files('system/main.c'),
3803 if targetos == 'windows' and (sdl.found() or gtk.found())
3805 'name': 'qemu-system-' + target_name + 'w',
3806 'win_subsystem': 'windows',
3807 'sources': files('system/main.c'),
3811 if get_option('fuzzing')
3812 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3814 'name': 'qemu-fuzz-' + target_name,
3815 'win_subsystem': 'console',
3816 'sources': specific_fuzz.sources(),
3817 'dependencies': specific_fuzz.dependencies(),
3822 'name': 'qemu-' + target_name,
3823 'win_subsystem': 'console',
3829 exe_name = exe['name']
3830 if targetos == 'darwin'
3831 exe_name += '-unsigned'
3834 emulator = executable(exe_name, exe['sources'],
3837 dependencies: arch_deps + deps + exe['dependencies'],
3838 objects: lib.extract_all_objects(recursive: true),
3839 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3840 link_args: link_args,
3841 win_subsystem: exe['win_subsystem'])
3843 if targetos == 'darwin'
3844 icon = 'pc-bios/qemu.rsrc'
3845 build_input = [emulator, files(icon)]
3847 get_option('bindir') / exe_name,
3848 meson.current_source_dir() / icon
3850 if 'CONFIG_HVF' in config_target
3851 entitlements = 'accel/hvf/entitlements.plist'
3852 build_input += files(entitlements)
3853 install_input += meson.current_source_dir() / entitlements
3856 emulators += {exe['name'] : custom_target(exe['name'],
3858 output: exe['name'],
3859 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3862 meson.add_install_script(entitlement, '--install',
3863 get_option('bindir') / exe['name'],
3866 emulators += {exe['name']: emulator}
3871 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3872 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3873 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3874 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3876 custom_target(exe['name'] + stp['ext'],
3877 input: trace_events_all,
3878 output: exe['name'] + stp['ext'],
3879 install: stp['install'],
3880 install_dir: get_option('datadir') / 'systemtap/tapset',
3882 tracetool, '--group=all', '--format=' + stp['fmt'],
3883 '--binary=' + stp['bin'],
3884 '--target-name=' + target_name,
3885 '--target-type=' + target_type,
3886 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3887 '@INPUT@', '@OUTPUT@'
3889 depend_files: tracetool_depends)
3895 # Other build targets
3897 if get_option('plugins')
3898 install_headers('include/qemu/qemu-plugin.h')
3903 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3904 # when we don't build tools or system
3905 if xkbcommon.found()
3906 # used for the update-keymaps target, so include rules even if !have_tools
3907 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3908 dependencies: [qemuutil, xkbcommon], install: have_tools)
3912 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3913 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3914 qemu_io = executable('qemu-io', files('qemu-io.c'),
3915 dependencies: [block, qemuutil], install: true)
3916 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3917 dependencies: [blockdev, qemuutil, gnutls, selinux],
3920 subdir('storage-daemon')
3921 subdir('contrib/rdmacm-mux')
3922 subdir('contrib/elf2dmp')
3924 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3925 dependencies: qemuutil,
3929 subdir('contrib/vhost-user-blk')
3930 subdir('contrib/vhost-user-gpu')
3931 subdir('contrib/vhost-user-input')
3932 subdir('contrib/vhost-user-scsi')
3935 if targetos == 'linux'
3936 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3937 dependencies: [qemuutil, libcap_ng],
3939 install_dir: get_option('libexecdir'))
3941 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3942 dependencies: [authz, crypto, io, qom, qemuutil,
3943 libcap_ng, mpathpersist],
3948 subdir('contrib/ivshmem-client')
3949 subdir('contrib/ivshmem-server')
3962 if host_machine.system() == 'windows'
3964 find_program('scripts/nsis.py'),
3966 get_option('prefix'),
3967 meson.current_source_dir(),
3968 glib_pc.get_variable('bindir'),
3971 '-DDISPLAYVERSION=' + meson.project_version(),
3974 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3977 nsis_cmd += '-DCONFIG_GTK=y'
3980 nsis = custom_target('nsis',
3981 output: 'qemu-setup-' + meson.project_version() + '.exe',
3982 input: files('qemu.nsi'),
3983 build_always_stale: true,
3984 command: nsis_cmd + ['@INPUT@'])
3985 alias_target('installer', nsis)
3988 #########################
3989 # Configuration summary #
3990 #########################
3994 summary_info += {'Build directory': meson.current_build_dir()}
3995 summary_info += {'Source path': meson.current_source_dir()}
3996 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3997 summary(summary_info, bool_yn: true, section: 'Build environment')
4000 summary_info += {'Install prefix': get_option('prefix')}
4001 summary_info += {'BIOS directory': qemu_datadir}
4002 pathsep = targetos == 'windows' ? ';' : ':'
4003 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4004 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4005 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4006 summary_info += {'module directory': qemu_moddir}
4007 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4008 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4009 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4010 if targetos != 'windows'
4011 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4012 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4014 summary_info += {'local state directory': 'queried at runtime'}
4016 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4017 summary(summary_info, bool_yn: true, section: 'Directories')
4021 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4022 summary_info += {'sphinx-build': sphinx_build}
4023 if config_host.has_key('HAVE_GDB_BIN')
4024 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4026 summary_info += {'iasl': iasl}
4027 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4028 if targetos == 'windows' and have_ga
4029 summary_info += {'wixl': wixl}
4031 if slirp.found() and have_system
4032 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4034 summary(summary_info, bool_yn: true, section: 'Host binaries')
4036 # Configurable features
4038 summary_info += {'Documentation': build_docs}
4039 summary_info += {'system-mode emulation': have_system}
4040 summary_info += {'user-mode emulation': have_user}
4041 summary_info += {'block layer': have_block}
4042 summary_info += {'Install blobs': get_option('install_blobs')}
4043 summary_info += {'module support': enable_modules}
4045 summary_info += {'alternative module path': get_option('module_upgrades')}
4047 summary_info += {'fuzzing support': get_option('fuzzing')}
4049 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4051 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4052 if 'simple' in get_option('trace_backends')
4053 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4055 summary_info += {'D-Bus display': dbus_display}
4056 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4057 summary_info += {'vhost-kernel support': have_vhost_kernel}
4058 summary_info += {'vhost-net support': have_vhost_net}
4059 summary_info += {'vhost-user support': have_vhost_user}
4060 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4061 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4062 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4063 summary_info += {'build guest agent': have_ga}
4064 summary(summary_info, bool_yn: true, section: 'Configurable features')
4066 # Compilation information
4068 summary_info += {'host CPU': cpu}
4069 summary_info += {'host endianness': build_machine.endian()}
4070 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4071 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4072 if 'cpp' in all_languages
4073 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4075 summary_info += {'C++ compiler': false}
4077 if targetos == 'darwin'
4078 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4080 option_cflags = (get_option('debug') ? ['-g'] : [])
4081 if get_option('optimization') != 'plain'
4082 option_cflags += ['-O' + get_option('optimization')]
4084 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4085 if 'cpp' in all_languages
4086 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4088 if targetos == 'darwin'
4089 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4091 link_args = get_option('c_link_args')
4092 if link_args.length() > 0
4093 summary_info += {'LDFLAGS': ' '.join(link_args)}
4095 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4096 if 'cpp' in all_languages
4097 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4099 if 'objc' in all_languages
4100 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4102 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4103 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4104 summary_info += {'PIE': get_option('b_pie')}
4105 summary_info += {'static build': get_option('prefer_static')}
4106 summary_info += {'malloc trim support': has_malloc_trim}
4107 summary_info += {'membarrier': have_membarrier}
4108 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4109 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4110 summary_info += {'mutex debugging': get_option('debug_mutex')}
4111 summary_info += {'memory allocator': get_option('malloc')}
4112 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4113 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4114 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4115 summary_info += {'gcov': get_option('b_coverage')}
4116 summary_info += {'thread sanitizer': get_option('tsan')}
4117 summary_info += {'CFI support': get_option('cfi')}
4118 if get_option('cfi')
4119 summary_info += {'CFI debug support': get_option('cfi_debug')}
4121 summary_info += {'strip binaries': get_option('strip')}
4122 summary_info += {'sparse': sparse}
4123 summary_info += {'mingw32 support': targetos == 'windows'}
4124 summary(summary_info, bool_yn: true, section: 'Compilation')
4126 # snarf the cross-compilation information for tests
4129 foreach target: target_dirs
4130 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4131 if fs.exists(tcg_mak)
4132 config_cross_tcg = keyval.load(tcg_mak)
4133 if 'CC' in config_cross_tcg
4134 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4140 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4143 # Targets and accelerators
4146 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4147 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4148 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4149 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4150 summary_info += {'Xen support': xen.found()}
4152 summary_info += {'xen ctrl version': xen.version()}
4154 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4156 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4157 if config_all.has_key('CONFIG_TCG')
4158 if get_option('tcg_interpreter')
4159 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4161 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4163 summary_info += {'TCG plugins': get_option('plugins')}
4164 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4166 summary_info += {'target list': ' '.join(target_dirs)}
4168 summary_info += {'default devices': get_option('default_devices')}
4169 summary_info += {'out of process emulation': multiprocess_allowed}
4170 summary_info += {'vfio-user server': vfio_user_server_allowed}
4172 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4176 summary_info += {'coroutine backend': coroutine_backend}
4177 summary_info += {'coroutine pool': have_coroutine_pool}
4179 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4180 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4181 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4182 summary_info += {'VirtFS (9P) support': have_virtfs}
4183 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4184 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4185 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4186 summary_info += {'bochs support': get_option('bochs').allowed()}
4187 summary_info += {'cloop support': get_option('cloop').allowed()}
4188 summary_info += {'dmg support': get_option('dmg').allowed()}
4189 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4190 summary_info += {'vdi support': get_option('vdi').allowed()}
4191 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4192 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4193 summary_info += {'vpc support': get_option('vpc').allowed()}
4194 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4195 summary_info += {'qed support': get_option('qed').allowed()}
4196 summary_info += {'parallels support': get_option('parallels').allowed()}
4197 summary_info += {'FUSE exports': fuse}
4198 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4200 summary(summary_info, bool_yn: true, section: 'Block layer support')
4204 summary_info += {'TLS priority': get_option('tls_priority')}
4205 summary_info += {'GNUTLS support': gnutls}
4207 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4209 summary_info += {'libgcrypt': gcrypt}
4210 summary_info += {'nettle': nettle}
4212 summary_info += {' XTS': xts != 'private'}
4214 summary_info += {'AF_ALG support': have_afalg}
4215 summary_info += {'rng-none': get_option('rng_none')}
4216 summary_info += {'Linux keyring': have_keyring}
4217 summary_info += {'Linux keyutils': keyutils}
4218 summary(summary_info, bool_yn: true, section: 'Crypto')
4222 if targetos == 'darwin'
4223 summary_info += {'Cocoa support': cocoa}
4225 summary_info += {'SDL support': sdl}
4226 summary_info += {'SDL image support': sdl_image}
4227 summary_info += {'GTK support': gtk}
4228 summary_info += {'pixman': pixman}
4229 summary_info += {'VTE support': vte}
4230 summary_info += {'PNG support': png}
4231 summary_info += {'VNC support': vnc}
4233 summary_info += {'VNC SASL support': sasl}
4234 summary_info += {'VNC JPEG support': jpeg}
4236 summary_info += {'spice protocol support': spice_protocol}
4237 if spice_protocol.found()
4238 summary_info += {' spice server support': spice}
4240 summary_info += {'curses support': curses}
4241 summary_info += {'brlapi support': brlapi}
4242 summary(summary_info, bool_yn: true, section: 'User interface')
4246 if targetos not in ['darwin', 'haiku', 'windows']
4247 summary_info += {'OSS support': oss}
4248 summary_info += {'sndio support': sndio}
4249 elif targetos == 'darwin'
4250 summary_info += {'CoreAudio support': coreaudio}
4251 elif targetos == 'windows'
4252 summary_info += {'DirectSound support': dsound}
4254 if targetos == 'linux'
4255 summary_info += {'ALSA support': alsa}
4256 summary_info += {'PulseAudio support': pulse}
4258 summary_info += {'PipeWire support': pipewire}
4259 summary_info += {'JACK support': jack}
4260 summary(summary_info, bool_yn: true, section: 'Audio backends')
4264 if targetos == 'darwin'
4265 summary_info += {'vmnet.framework support': vmnet}
4267 summary_info += {'AF_XDP support': libxdp}
4268 summary_info += {'slirp support': slirp}
4269 summary_info += {'vde support': vde}
4270 summary_info += {'netmap support': have_netmap}
4271 summary_info += {'l2tpv3 support': have_l2tpv3}
4272 summary(summary_info, bool_yn: true, section: 'Network backends')
4276 summary_info += {'libtasn1': tasn1}
4277 summary_info += {'PAM': pam}
4278 summary_info += {'iconv support': iconv}
4279 summary_info += {'virgl support': virgl}
4280 summary_info += {'blkio support': blkio}
4281 summary_info += {'curl support': curl}
4282 summary_info += {'Multipath support': mpathpersist}
4283 summary_info += {'Linux AIO support': libaio}
4284 summary_info += {'Linux io_uring support': linux_io_uring}
4285 summary_info += {'ATTR/XATTR support': libattr}
4286 summary_info += {'RDMA support': rdma}
4287 summary_info += {'PVRDMA support': have_pvrdma}
4288 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4289 summary_info += {'libcap-ng support': libcap_ng}
4290 summary_info += {'bpf support': libbpf}
4291 summary_info += {'rbd support': rbd}
4292 summary_info += {'smartcard support': cacard}
4293 summary_info += {'U2F support': u2f}
4294 summary_info += {'libusb': libusb}
4295 summary_info += {'usb net redir': usbredir}
4296 summary_info += {'OpenGL support (epoxy)': opengl}
4297 summary_info += {'GBM': gbm}
4298 summary_info += {'libiscsi support': libiscsi}
4299 summary_info += {'libnfs support': libnfs}
4300 if targetos == 'windows'
4302 summary_info += {'QGA VSS support': have_qga_vss}
4305 summary_info += {'seccomp support': seccomp}
4306 summary_info += {'GlusterFS support': glusterfs}
4307 summary_info += {'TPM support': have_tpm}
4308 summary_info += {'libssh support': libssh}
4309 summary_info += {'lzo support': lzo}
4310 summary_info += {'snappy support': snappy}
4311 summary_info += {'bzip2 support': libbzip2}
4312 summary_info += {'lzfse support': liblzfse}
4313 summary_info += {'zstd support': zstd}
4314 summary_info += {'NUMA host support': numa}
4315 summary_info += {'capstone': capstone}
4316 summary_info += {'libpmem support': libpmem}
4317 summary_info += {'libdaxctl support': libdaxctl}
4318 summary_info += {'libudev': libudev}
4319 # Dummy dependency, keep .found()
4320 summary_info += {'FUSE lseek': fuse_lseek.found()}
4321 summary_info += {'selinux': selinux}
4322 summary_info += {'libdw': libdw}
4323 summary(summary_info, bool_yn: true, section: 'Dependencies')
4325 if host_arch == 'unknown'
4327 warning('UNSUPPORTED HOST CPU')
4329 message('Support for CPU host architecture ' + cpu + ' is not currently')
4330 message('maintained. The QEMU project does not guarantee that QEMU will')
4331 message('compile or work on this host CPU. You can help by volunteering')
4332 message('to maintain it and providing a build host for our continuous')
4333 message('integration setup.')
4334 if get_option('tcg').allowed() and target_dirs.length() > 0
4336 message('configure has succeeded and you can continue to build, but')
4337 message('QEMU will use a slow interpreter to emulate the target CPU.')
4341 if not supported_oses.contains(targetos)
4343 warning('UNSUPPORTED HOST OS')
4345 message('Support for host OS ' + targetos + 'is not currently maintained.')
4346 message('configure has succeeded and you can continue to build, but')
4347 message('the QEMU project does not guarantee that QEMU will compile or')
4348 message('work on this operating system. You can help by volunteering')
4349 message('to maintain it and providing a build host for our continuous')
4350 message('integration setup. This will ensure that future versions of QEMU')
4351 message('will keep working on ' + targetos + '.')
4354 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4356 message('If you want to help supporting QEMU on this platform, please')
4357 message('contact the developers at qemu-devel@nongnu.org.')