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))
1049 rutabaga = not_found
1050 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1051 rutabaga = dependency('rutabaga_gfx_ffi',
1052 method: 'pkg-config',
1053 required: get_option('rutabaga_gfx'))
1056 if not get_option('blkio').auto() or have_block
1057 blkio = dependency('blkio',
1058 method: 'pkg-config',
1059 required: get_option('blkio'))
1062 if not get_option('curl').auto() or have_block
1063 curl = dependency('libcurl', version: '>=7.29.0',
1064 method: 'pkg-config',
1065 required: get_option('curl'))
1068 if targetos == 'linux' and (have_system or have_tools)
1069 libudev = dependency('libudev',
1070 method: 'pkg-config',
1071 required: get_option('libudev'))
1074 mpathlibs = [libudev]
1075 mpathpersist = not_found
1076 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1077 mpath_test_source = '''
1078 #include <libudev.h>
1079 #include <mpath_persist.h>
1080 unsigned mpath_mx_alloc_len = 1024;
1082 static struct config *multipath_conf;
1083 extern struct udev *udev;
1084 extern struct config *get_multipath_config(void);
1085 extern void put_multipath_config(struct config *conf);
1087 struct config *get_multipath_config(void) { return multipath_conf; }
1088 void put_multipath_config(struct config *conf) { }
1091 multipath_conf = mpath_lib_init();
1094 libmpathpersist = cc.find_library('mpathpersist',
1095 required: get_option('mpath'))
1096 if libmpathpersist.found()
1097 mpathlibs += libmpathpersist
1098 if get_option('prefer_static')
1099 mpathlibs += cc.find_library('devmapper',
1100 required: get_option('mpath'))
1102 mpathlibs += cc.find_library('multipath',
1103 required: get_option('mpath'))
1104 foreach lib: mpathlibs
1110 if mpathlibs.length() == 0
1111 msg = 'Dependencies missing for libmpathpersist'
1112 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1113 mpathpersist = declare_dependency(dependencies: mpathlibs)
1115 msg = 'Cannot detect libmpathpersist API'
1117 if not mpathpersist.found()
1118 if get_option('mpath').enabled()
1121 warning(msg + ', disabling')
1129 if have_system and get_option('curses').allowed()
1131 #if defined(__APPLE__) || defined(__OpenBSD__)
1132 #define _XOPEN_SOURCE_EXTENDED 1
1139 setlocale(LC_ALL, "");
1141 addwstr(L"wide chars\n");
1143 add_wch(WACS_DEGREE);
1147 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1148 curses = dependency(curses_dep_list,
1150 method: 'pkg-config')
1151 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1152 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1154 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1155 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1156 version: curses.version())
1158 msg = 'curses package not usable'
1162 if not curses.found()
1163 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1164 if targetos != 'windows' and not has_curses_h
1165 message('Trying with /usr/include/ncursesw')
1166 curses_compile_args += ['-I/usr/include/ncursesw']
1167 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1170 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1171 foreach curses_libname : curses_libname_list
1172 libcurses = cc.find_library(curses_libname,
1174 if libcurses.found()
1175 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1176 curses = declare_dependency(compile_args: curses_compile_args,
1177 dependencies: [libcurses])
1180 msg = 'curses library not usable'
1186 if get_option('iconv').allowed()
1187 foreach link_args : [ ['-liconv'], [] ]
1188 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1189 # We need to use libiconv if available because mixing libiconv's headers with
1190 # the system libc does not work.
1191 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1192 # included in the command line and libiconv will not be found.
1196 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1197 return conv != (iconv_t) -1;
1198 }''', args: link_args, dependencies: glib)
1199 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1204 if curses.found() and not iconv.found()
1205 if get_option('iconv').enabled()
1206 error('iconv not available')
1208 msg = 'iconv required for curses UI but not available'
1211 if not curses.found() and msg != ''
1212 if get_option('curses').enabled()
1215 warning(msg + ', disabling')
1221 if not get_option('brlapi').auto() or have_system
1222 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1223 required: get_option('brlapi'))
1224 if brlapi.found() and not cc.links('''
1227 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1229 if get_option('brlapi').enabled()
1230 error('could not link brlapi')
1232 warning('could not link brlapi, disabling')
1238 if not get_option('sdl').auto() or have_system
1239 sdl = dependency('sdl2', required: get_option('sdl'))
1240 sdl_image = not_found
1243 # Some versions of SDL have problems with -Wundef
1244 if not cc.compiles('''
1246 #include <SDL_syswm.h>
1247 int main(int argc, char *argv[]) { return 0; }
1248 ''', dependencies: sdl, args: '-Werror=undef')
1249 sdl = declare_dependency(compile_args: '-Wno-undef',
1251 version: sdl.version())
1253 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1254 method: 'pkg-config')
1256 if get_option('sdl_image').enabled()
1257 error('sdl-image required, but SDL was @0@'.format(
1258 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1260 sdl_image = not_found
1264 if not get_option('rbd').auto() or have_block
1265 librados = cc.find_library('rados', required: get_option('rbd'))
1266 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1267 required: get_option('rbd'))
1268 if librados.found() and librbd.found()
1271 #include <rbd/librbd.h>
1274 rados_create(&cluster, NULL);
1275 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1279 }''', dependencies: [librbd, librados])
1280 rbd = declare_dependency(dependencies: [librbd, librados])
1281 elif get_option('rbd').enabled()
1282 error('librbd >= 1.12.0 required')
1284 warning('librbd >= 1.12.0 not found, disabling')
1289 glusterfs = not_found
1290 glusterfs_ftruncate_has_stat = false
1291 glusterfs_iocb_has_stat = false
1292 if not get_option('glusterfs').auto() or have_block
1293 glusterfs = dependency('glusterfs-api', version: '>=3',
1294 required: get_option('glusterfs'),
1295 method: 'pkg-config')
1296 if glusterfs.found()
1297 glusterfs_ftruncate_has_stat = cc.links('''
1298 #include <glusterfs/api/glfs.h>
1303 /* new glfs_ftruncate() passes two additional args */
1304 return glfs_ftruncate(NULL, 0, NULL, NULL);
1306 ''', dependencies: glusterfs)
1307 glusterfs_iocb_has_stat = cc.links('''
1308 #include <glusterfs/api/glfs.h>
1310 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1312 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1318 glfs_io_cbk iocb = &glusterfs_iocb;
1319 iocb(NULL, 0 , NULL, NULL, NULL);
1322 ''', dependencies: glusterfs)
1327 if not get_option('libssh').auto() or have_block
1328 libssh = dependency('libssh', version: '>=0.8.7',
1329 method: 'pkg-config',
1330 required: get_option('libssh'))
1333 libbzip2 = not_found
1334 if not get_option('bzip2').auto() or have_block
1335 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1336 required: get_option('bzip2'))
1337 if libbzip2.found() and not cc.links('''
1339 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1340 libbzip2 = not_found
1341 if get_option('bzip2').enabled()
1342 error('could not link libbzip2')
1344 warning('could not link libbzip2, disabling')
1349 liblzfse = not_found
1350 if not get_option('lzfse').auto() or have_block
1351 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1352 required: get_option('lzfse'))
1354 if liblzfse.found() and not cc.links('''
1356 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1357 liblzfse = not_found
1358 if get_option('lzfse').enabled()
1359 error('could not link liblzfse')
1361 warning('could not link liblzfse, disabling')
1366 if get_option('oss').allowed() and have_system
1367 if not cc.has_header('sys/soundcard.h')
1369 elif targetos == 'netbsd'
1370 oss = cc.find_library('ossaudio', required: get_option('oss'))
1372 oss = declare_dependency()
1376 if get_option('oss').enabled()
1377 error('OSS not found')
1382 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1383 if cc.has_header('dsound.h')
1384 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1387 if not dsound.found()
1388 if get_option('dsound').enabled()
1389 error('DirectSound not found')
1394 coreaudio = not_found
1395 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1396 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1397 required: get_option('coreaudio'))
1401 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1402 epoxy = dependency('epoxy', method: 'pkg-config',
1403 required: get_option('opengl'))
1404 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1406 elif get_option('opengl').enabled()
1407 error('epoxy/egl.h not found')
1411 if (have_system or have_tools) and (virgl.found() or opengl.found())
1412 gbm = dependency('gbm', method: 'pkg-config', required: false)
1414 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1417 gnutls_crypto = not_found
1418 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1419 # For general TLS support our min gnutls matches
1420 # that implied by our platform support matrix
1422 # For the crypto backends, we look for a newer
1425 # Version 3.6.8 is needed to get XTS
1426 # Version 3.6.13 is needed to get PBKDF
1427 # Version 3.6.14 is needed to get HW accelerated XTS
1429 # If newer enough gnutls isn't available, we can
1430 # still use a different crypto backend to satisfy
1431 # the platform support requirements
1432 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1433 method: 'pkg-config',
1435 if gnutls_crypto.found()
1436 gnutls = gnutls_crypto
1438 # Our min version if all we need is TLS
1439 gnutls = dependency('gnutls', version: '>=3.5.18',
1440 method: 'pkg-config',
1441 required: get_option('gnutls'))
1445 # We prefer use of gnutls for crypto, unless the options
1446 # explicitly asked for nettle or gcrypt.
1448 # If gnutls isn't available for crypto, then we'll prefer
1449 # gcrypt over nettle for performance reasons.
1455 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1456 error('Only one of gcrypt & nettle can be enabled')
1459 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1460 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1461 gnutls_crypto = not_found
1464 if not gnutls_crypto.found()
1465 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1466 gcrypt = dependency('libgcrypt', version: '>=1.8',
1467 method: 'config-tool',
1468 required: get_option('gcrypt'))
1469 # Debian has removed -lgpg-error from libgcrypt-config
1470 # as it "spreads unnecessary dependencies" which in
1471 # turn breaks static builds...
1472 if gcrypt.found() and get_option('prefer_static')
1473 gcrypt = declare_dependency(dependencies:
1475 cc.find_library('gpg-error', required: true)],
1476 version: gcrypt.version())
1479 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1480 nettle = dependency('nettle', version: '>=3.4',
1481 method: 'pkg-config',
1482 required: get_option('nettle'))
1483 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1489 gmp = dependency('gmp', required: false, method: 'pkg-config')
1490 if nettle.found() and gmp.found()
1491 hogweed = dependency('hogweed', version: '>=3.4',
1492 method: 'pkg-config',
1493 required: get_option('nettle'))
1500 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1502 if not get_option('gtk').auto() or have_system
1503 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1504 method: 'pkg-config',
1505 required: get_option('gtk'))
1507 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1508 method: 'pkg-config',
1510 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1511 version: gtk.version())
1513 if not get_option('vte').auto() or have_system
1514 vte = dependency('vte-2.91',
1515 method: 'pkg-config',
1516 required: get_option('vte'))
1518 elif have_gtk_clipboard
1519 error('GTK clipboard requested, but GTK not found')
1525 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1528 if get_option('png').allowed() and have_system
1529 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1530 method: 'pkg-config')
1535 if get_option('vnc').allowed() and have_system
1536 vnc = declare_dependency() # dummy dependency
1537 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1538 method: 'pkg-config')
1539 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1540 required: get_option('vnc_sasl'))
1542 sasl = declare_dependency(dependencies: sasl,
1543 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1548 if not get_option('auth_pam').auto() or have_system
1549 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1550 required: get_option('auth_pam'))
1552 if pam.found() and not cc.links('''
1554 #include <security/pam_appl.h>
1556 const char *service_name = "qemu";
1557 const char *user = "frank";
1558 const struct pam_conv pam_conv = { 0 };
1559 pam_handle_t *pamh = NULL;
1560 pam_start(service_name, user, &pam_conv, &pamh);
1562 }''', dependencies: pam)
1564 if get_option('auth_pam').enabled()
1565 error('could not link libpam')
1567 warning('could not link libpam, disabling')
1572 if not get_option('snappy').auto() or have_system
1573 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1574 required: get_option('snappy'))
1576 if snappy.found() and not cc.links('''
1577 #include <snappy-c.h>
1578 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1580 if get_option('snappy').enabled()
1581 error('could not link libsnappy')
1583 warning('could not link libsnappy, disabling')
1588 if not get_option('lzo').auto() or have_system
1589 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1590 required: get_option('lzo'))
1592 if lzo.found() and not cc.links('''
1593 #include <lzo/lzo1x.h>
1594 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1596 if get_option('lzo').enabled()
1597 error('could not link liblzo2')
1599 warning('could not link liblzo2, disabling')
1604 if not get_option('numa').auto() or have_system or have_tools
1605 numa = cc.find_library('numa', has_headers: ['numa.h'],
1606 required: get_option('numa'))
1608 if numa.found() and not cc.links('''
1610 int main(void) { return numa_available(); }
1611 ''', dependencies: numa)
1613 if get_option('numa').enabled()
1614 error('could not link numa')
1616 warning('could not link numa, disabling')
1621 if not get_option('rdma').auto() or have_system
1622 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1623 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1624 required: get_option('rdma')),
1625 cc.find_library('ibverbs', required: get_option('rdma')),
1627 rdma = declare_dependency(dependencies: rdma_libs)
1628 foreach lib: rdma_libs
1636 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1637 xencontrol = dependency('xencontrol', required: false,
1638 method: 'pkg-config')
1639 if xencontrol.found()
1640 xen_pc = declare_dependency(version: xencontrol.version(),
1643 # disabler: true makes xen_pc.found() return false if any is not found
1644 dependency('xenstore', required: false,
1645 method: 'pkg-config',
1647 dependency('xenforeignmemory', required: false,
1648 method: 'pkg-config',
1650 dependency('xengnttab', required: false,
1651 method: 'pkg-config',
1653 dependency('xenevtchn', required: false,
1654 method: 'pkg-config',
1656 dependency('xendevicemodel', required: false,
1657 method: 'pkg-config',
1659 # optional, no "disabler: true"
1660 dependency('xentoolcore', required: false,
1661 method: 'pkg-config')])
1667 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1669 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1670 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1671 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1672 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1673 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1676 foreach ver: xen_tests
1677 # cache the various library tests to avoid polluting the logs
1679 foreach l: xen_libs[ver]
1680 if l not in xen_deps
1681 xen_deps += { l: cc.find_library(l, required: false) }
1683 xen_test_deps += xen_deps[l]
1686 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1687 xen_version = ver.split('.')
1688 xen_ctrl_version = xen_version[0] + \
1689 ('0' + xen_version[1]).substring(-2) + \
1690 ('0' + xen_version[2]).substring(-2)
1691 if cc.links(files('scripts/xen-detect.c'),
1692 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1693 dependencies: xen_test_deps)
1694 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1700 accelerators += 'CONFIG_XEN'
1701 elif get_option('xen').enabled()
1702 error('could not compile and link Xen test program')
1705 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1706 .require(xen.found(),
1707 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1708 .require(targetos == 'linux',
1709 error_message: 'Xen PCI passthrough not available on this platform') \
1710 .require(cpu == 'x86' or cpu == 'x86_64',
1711 error_message: 'Xen PCI passthrough not available on this platform') \
1716 if not get_option('smartcard').auto() or have_system
1717 cacard = dependency('libcacard', required: get_option('smartcard'),
1718 version: '>=2.5.1', method: 'pkg-config')
1722 u2f = dependency('u2f-emu', required: get_option('u2f'),
1723 method: 'pkg-config')
1727 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1728 method: 'pkg-config')
1730 usbredir = not_found
1731 if not get_option('usb_redir').auto() or have_system
1732 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1733 version: '>=0.6', method: 'pkg-config')
1736 if not get_option('libusb').auto() or have_system
1737 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1738 version: '>=1.0.13', method: 'pkg-config')
1742 if not get_option('libpmem').auto() or have_system
1743 libpmem = dependency('libpmem', required: get_option('libpmem'),
1744 method: 'pkg-config')
1746 libdaxctl = not_found
1747 if not get_option('libdaxctl').auto() or have_system
1748 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1749 version: '>=57', method: 'pkg-config')
1753 tasn1 = dependency('libtasn1',
1754 method: 'pkg-config')
1756 keyutils = not_found
1757 if not get_option('libkeyutils').auto() or have_block
1758 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1759 method: 'pkg-config')
1762 has_gettid = cc.has_function('gettid')
1765 selinux = dependency('libselinux',
1766 required: get_option('selinux'),
1767 method: 'pkg-config')
1772 if get_option('malloc') == 'system'
1774 get_option('malloc_trim').allowed() and \
1775 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1777 has_malloc_trim = false
1778 malloc = cc.find_library(get_option('malloc'), required: true)
1780 if not has_malloc_trim and get_option('malloc_trim').enabled()
1781 if get_option('malloc') == 'system'
1782 error('malloc_trim not available on this platform.')
1784 error('malloc_trim not available with non-libc memory allocator')
1788 gnu_source_prefix = '''
1794 # Check whether the glibc provides STATX_BASIC_STATS
1796 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1798 # Check whether statx() provides mount ID information
1800 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1802 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1803 .require(targetos == 'linux',
1804 error_message: 'vhost_user_blk_server requires linux') \
1805 .require(have_vhost_user,
1806 error_message: 'vhost_user_blk_server requires vhost-user support') \
1807 .disable_auto_if(not have_tools and not have_system) \
1810 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1811 error('Cannot enable fuse-lseek while fuse is disabled')
1814 fuse = dependency('fuse3', required: get_option('fuse'),
1815 version: '>=3.1', method: 'pkg-config')
1817 fuse_lseek = not_found
1818 if get_option('fuse_lseek').allowed()
1819 if fuse.version().version_compare('>=3.8')
1821 fuse_lseek = declare_dependency()
1822 elif get_option('fuse_lseek').enabled()
1824 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1826 error('fuse-lseek requires libfuse, which was not found')
1831 have_libvduse = (targetos == 'linux')
1832 if get_option('libvduse').enabled()
1833 if targetos != 'linux'
1834 error('libvduse requires linux')
1836 elif get_option('libvduse').disabled()
1837 have_libvduse = false
1840 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1841 if get_option('vduse_blk_export').enabled()
1842 if targetos != 'linux'
1843 error('vduse_blk_export requires linux')
1844 elif not have_libvduse
1845 error('vduse_blk_export requires libvduse support')
1847 elif get_option('vduse_blk_export').disabled()
1848 have_vduse_blk_export = false
1852 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1853 if libbpf.found() and not cc.links('''
1854 #include <bpf/libbpf.h>
1857 bpf_object__destroy_skeleton(NULL);
1859 }''', dependencies: libbpf)
1861 if get_option('bpf').enabled()
1862 error('libbpf skeleton test failed')
1864 warning('libbpf skeleton test failed, disabling')
1870 if not get_option('af_xdp').auto() or have_system
1871 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1872 version: '>=1.4.0', method: 'pkg-config')
1877 if not get_option('libdw').auto() or \
1878 (not get_option('prefer_static') and (have_system or have_user))
1879 libdw = dependency('libdw',
1880 method: 'pkg-config',
1881 required: get_option('libdw'))
1888 audio_drivers_selected = []
1890 audio_drivers_available = {
1891 'alsa': alsa.found(),
1892 'coreaudio': coreaudio.found(),
1893 'dsound': dsound.found(),
1894 'jack': jack.found(),
1896 'pa': pulse.found(),
1897 'pipewire': pipewire.found(),
1899 'sndio': sndio.found(),
1901 foreach k, v: audio_drivers_available
1902 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1905 # Default to native drivers first, OSS second, SDL third
1906 audio_drivers_priority = \
1907 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1908 (targetos == 'linux' ? [] : [ 'sdl' ])
1909 audio_drivers_default = []
1910 foreach k: audio_drivers_priority
1911 if audio_drivers_available[k]
1912 audio_drivers_default += k
1916 foreach k: get_option('audio_drv_list')
1918 audio_drivers_selected += audio_drivers_default
1919 elif not audio_drivers_available[k]
1920 error('Audio driver "@0@" not available.'.format(k))
1922 audio_drivers_selected += k
1926 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1927 '"' + '", "'.join(audio_drivers_selected) + '", ')
1929 if get_option('cfi')
1931 # Check for dependency on LTO
1932 if not get_option('b_lto')
1933 error('Selected Control-Flow Integrity but LTO is disabled')
1936 error('Selected Control-Flow Integrity is not compatible with modules')
1938 # Check for cfi flags. CFI requires LTO so we can't use
1939 # get_supported_arguments, but need a more complex "compiles" which allows
1941 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1942 args: ['-flto', '-fsanitize=cfi-icall'] )
1943 cfi_flags += '-fsanitize=cfi-icall'
1945 error('-fsanitize=cfi-icall is not supported by the compiler')
1947 if cc.compiles('int main () { return 0; }',
1948 name: '-fsanitize-cfi-icall-generalize-pointers',
1949 args: ['-flto', '-fsanitize=cfi-icall',
1950 '-fsanitize-cfi-icall-generalize-pointers'] )
1951 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1953 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1955 if get_option('cfi_debug')
1956 if cc.compiles('int main () { return 0; }',
1957 name: '-fno-sanitize-trap=cfi-icall',
1958 args: ['-flto', '-fsanitize=cfi-icall',
1959 '-fno-sanitize-trap=cfi-icall'] )
1960 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1962 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1965 add_global_arguments(cfi_flags, native: false, language: all_languages)
1966 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1969 have_host_block_device = (targetos != 'darwin' or
1970 cc.has_header('IOKit/storage/IOMedia.h'))
1972 dbus_display = get_option('dbus_display') \
1973 .require(gio.version().version_compare('>=2.64'),
1974 error_message: '-display dbus requires glib>=2.64') \
1975 .require(gdbus_codegen.found(),
1976 error_message: gdbus_codegen_error.format('-display dbus')) \
1979 have_virtfs = get_option('virtfs') \
1980 .require(targetos == 'linux' or targetos == 'darwin',
1981 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1982 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1983 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1984 .require(targetos == 'darwin' or libattr.found(),
1985 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1986 .disable_auto_if(not have_tools and not have_system) \
1989 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1990 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1991 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1992 .disable_auto_if(not have_tools) \
1993 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
1996 if get_option('block_drv_ro_whitelist') == ''
1997 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1999 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2000 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2002 if get_option('block_drv_rw_whitelist') == ''
2003 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2005 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2006 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2009 foreach k : get_option('trace_backends')
2010 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2012 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2013 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2015 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2017 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2018 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2019 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2020 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2021 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2023 qemu_firmwarepath = ''
2024 foreach k : get_option('qemu_firmwarepath')
2025 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2027 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2029 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2030 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2031 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2032 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2033 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2034 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2037 config_host_data.set('CONFIG_STAMP', run_command(
2038 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2039 meson.project_version(), get_option('pkgversion'), '--',
2040 meson.current_source_dir() / 'configure',
2041 capture: true, check: true).stdout().strip())
2044 have_slirp_smbd = get_option('slirp_smbd') \
2045 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2048 smbd_path = get_option('smbd')
2050 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2052 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2055 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2057 if get_option('module_upgrades') and not enable_modules
2058 error('Cannot enable module-upgrades as modules are not enabled')
2060 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2062 config_host_data.set('CONFIG_ATTR', libattr.found())
2063 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2064 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2065 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2066 config_host_data.set('CONFIG_COCOA', cocoa.found())
2067 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2068 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2069 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2070 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2071 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2072 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2073 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2074 config_host_data.set('CONFIG_LZO', lzo.found())
2075 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2076 config_host_data.set('CONFIG_BLKIO', blkio.found())
2078 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2079 blkio.version().version_compare('>=1.3.0'))
2081 config_host_data.set('CONFIG_CURL', curl.found())
2082 config_host_data.set('CONFIG_CURSES', curses.found())
2083 config_host_data.set('CONFIG_GBM', gbm.found())
2084 config_host_data.set('CONFIG_GIO', gio.found())
2085 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2086 if glusterfs.found()
2087 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2088 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2089 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2090 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2091 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2092 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2094 config_host_data.set('CONFIG_GTK', gtk.found())
2095 config_host_data.set('CONFIG_VTE', vte.found())
2096 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2097 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2098 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2099 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2100 config_host_data.set('CONFIG_EBPF', libbpf.found())
2101 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2102 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2103 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2104 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2105 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2106 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2107 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2108 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2109 config_host_data.set('CONFIG_MODULES', enable_modules)
2110 config_host_data.set('CONFIG_NUMA', numa.found())
2112 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2113 cc.has_function('numa_has_preferred_many',
2114 dependencies: numa))
2116 config_host_data.set('CONFIG_OPENGL', opengl.found())
2117 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2118 config_host_data.set('CONFIG_RBD', rbd.found())
2119 config_host_data.set('CONFIG_RDMA', rdma.found())
2120 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2121 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2122 config_host_data.set('CONFIG_SDL', sdl.found())
2123 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2124 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2126 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2128 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2129 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2130 if get_option('tcg').allowed()
2131 config_host_data.set('CONFIG_TCG', 1)
2132 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2134 config_host_data.set('CONFIG_TPM', have_tpm)
2135 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2136 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2137 config_host_data.set('CONFIG_VDE', vde.found())
2138 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2139 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2140 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2141 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2142 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2143 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2144 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2145 config_host_data.set('CONFIG_VMNET', vmnet.found())
2146 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2147 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2148 config_host_data.set('CONFIG_PNG', png.found())
2149 config_host_data.set('CONFIG_VNC', vnc.found())
2150 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2151 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2152 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2153 config_host_data.set('CONFIG_VTE', vte.found())
2154 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2155 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2156 config_host_data.set('CONFIG_GETTID', has_gettid)
2157 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2158 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2159 config_host_data.set('CONFIG_TASN1', tasn1.found())
2160 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2161 config_host_data.set('CONFIG_NETTLE', nettle.found())
2162 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2163 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2164 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2165 config_host_data.set('CONFIG_STATX', has_statx)
2166 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2167 config_host_data.set('CONFIG_ZSTD', zstd.found())
2168 config_host_data.set('CONFIG_FUSE', fuse.found())
2169 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2170 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2171 if spice_protocol.found()
2172 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2174 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2176 config_host_data.set('CONFIG_SPICE', spice.found())
2177 config_host_data.set('CONFIG_X11', x11.found())
2178 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2179 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2180 config_host_data.set('CONFIG_SELINUX', selinux.found())
2181 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2182 config_host_data.set('CONFIG_LIBDW', libdw.found())
2184 # protect from xen.version() having less than three components
2185 xen_version = xen.version().split('.') + ['0', '0']
2186 xen_ctrl_version = xen_version[0] + \
2187 ('0' + xen_version[1]).substring(-2) + \
2188 ('0' + xen_version[2]).substring(-2)
2189 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2191 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2192 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2193 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2194 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2196 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2197 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2199 have_coroutine_pool = get_option('coroutine_pool')
2200 if get_option('debug_stack_usage') and have_coroutine_pool
2201 message('Disabling coroutine pool to measure stack usage')
2202 have_coroutine_pool = false
2204 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2205 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2206 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2207 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2208 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2209 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2210 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2211 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2214 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2215 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2216 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2217 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2218 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2219 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2220 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2221 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2222 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2223 if targetos == 'windows'
2224 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2228 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2229 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2230 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2231 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2232 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2233 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2234 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2235 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2236 # Note that we need to specify prefix: here to avoid incorrectly
2237 # thinking that Windows has posix_memalign()
2238 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2239 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2240 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2241 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2242 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2243 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2244 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2245 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2246 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2247 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2248 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2249 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2250 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2251 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2252 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2253 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2254 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2255 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2257 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2258 cc.has_function('rbd_namespace_exists',
2260 prefix: '#include <rbd/librbd.h>'))
2263 config_host_data.set('HAVE_IBV_ADVISE_MR',
2264 cc.has_function('ibv_advise_mr',
2266 prefix: '#include <infiniband/verbs.h>'))
2269 have_asan_fiber = false
2270 if get_option('sanitizers') and \
2271 not cc.has_function('__sanitizer_start_switch_fiber',
2272 args: '-fsanitize=address',
2273 prefix: '#include <sanitizer/asan_interface.h>')
2274 warning('Missing ASAN due to missing fiber annotation interface')
2275 warning('Without code annotation, the report may be inferior.')
2277 have_asan_fiber = true
2279 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2282 config_host_data.set('CONFIG_BLKZONED',
2283 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2284 config_host_data.set('CONFIG_EPOLL_CREATE1',
2285 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2286 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2289 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2290 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2291 config_host_data.set('CONFIG_FIEMAP',
2292 cc.has_header('linux/fiemap.h') and
2293 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2294 config_host_data.set('CONFIG_GETRANDOM',
2295 cc.has_function('getrandom') and
2296 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2297 config_host_data.set('CONFIG_INOTIFY',
2298 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2299 config_host_data.set('CONFIG_INOTIFY1',
2300 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2301 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2302 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2303 config_host_data.set('CONFIG_RTNETLINK',
2304 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2305 config_host_data.set('CONFIG_SYSMACROS',
2306 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2307 config_host_data.set('HAVE_OPTRESET',
2308 cc.has_header_symbol('getopt.h', 'optreset'))
2309 config_host_data.set('HAVE_IPPROTO_MPTCP',
2310 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2313 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2314 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2315 prefix: '#include <signal.h>'))
2316 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2317 cc.has_member('struct stat', 'st_atim',
2318 prefix: '#include <sys/stat.h>'))
2319 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2320 cc.has_member('struct blk_zone', 'capacity',
2321 prefix: '#include <linux/blkzoned.h>'))
2324 config_host_data.set('CONFIG_IOVEC',
2325 cc.has_type('struct iovec',
2326 prefix: '#include <sys/uio.h>'))
2327 config_host_data.set('HAVE_UTMPX',
2328 cc.has_type('struct utmpx',
2329 prefix: '#include <utmpx.h>'))
2331 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2332 #include <sys/eventfd.h>
2333 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2334 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2337 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2338 return fdatasync(0);
2340 #error Not supported
2344 has_madvise = cc.links(gnu_source_prefix + '''
2345 #include <sys/types.h>
2346 #include <sys/mman.h>
2348 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2349 missing_madvise_proto = false
2351 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2352 # but forget to prototype it. In this case, has_madvise will be true (the
2353 # test program links despite a compile warning). To detect the
2354 # missing-prototype case, we try again with a definitely-bogus prototype.
2355 # This will only compile if the system headers don't provide the prototype;
2356 # otherwise the conflicting prototypes will cause a compiler error.
2357 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2358 #include <sys/types.h>
2359 #include <sys/mman.h>
2361 extern int madvise(int);
2362 int main(void) { return madvise(0); }''')
2364 config_host_data.set('CONFIG_MADVISE', has_madvise)
2365 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2367 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2368 #include <sys/mman.h>
2369 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2370 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2372 #if !defined(AT_EMPTY_PATH)
2373 # error missing definition
2375 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2377 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2378 #include <sys/mman.h>
2380 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2382 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2383 #include <pthread.h>
2385 static void *f(void *p) { return NULL; }
2389 pthread_create(&thread, 0, f, 0);
2390 pthread_setname_np(thread, "QEMU");
2392 }''', dependencies: threads))
2393 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2394 #include <pthread.h>
2396 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2400 pthread_create(&thread, 0, f, 0);
2402 }''', dependencies: threads))
2403 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2404 #include <pthread.h>
2405 #include <pthread_np.h>
2407 static void *f(void *p) { return NULL; }
2411 pthread_create(&thread, 0, f, 0);
2412 pthread_set_name_np(thread, "QEMU");
2414 }''', dependencies: threads))
2415 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2416 #include <pthread.h>
2421 pthread_condattr_t attr
2422 pthread_condattr_init(&attr);
2423 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2425 }''', dependencies: threads))
2426 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2427 #include <pthread.h>
2429 static void *f(void *p) { return NULL; }
2432 int setsize = CPU_ALLOC_SIZE(64);
2435 pthread_create(&thread, 0, f, 0);
2436 cpuset = CPU_ALLOC(64);
2437 CPU_ZERO_S(setsize, cpuset);
2438 pthread_setaffinity_np(thread, setsize, cpuset);
2439 pthread_getaffinity_np(thread, setsize, cpuset);
2442 }''', dependencies: threads))
2443 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2444 #include <sys/signalfd.h>
2446 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2447 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2455 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2456 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2460 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2461 #include <sys/mman.h>
2463 return mlockall(MCL_FUTURE);
2467 if get_option('l2tpv3').allowed() and have_system
2468 have_l2tpv3 = cc.has_type('struct mmsghdr',
2469 prefix: gnu_source_prefix + '''
2470 #include <sys/socket.h>
2471 #include <linux/ip.h>''')
2473 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2476 if get_option('netmap').allowed() and have_system
2477 have_netmap = cc.compiles('''
2478 #include <inttypes.h>
2480 #include <net/netmap.h>
2481 #include <net/netmap_user.h>
2482 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2485 int main(void) { return 0; }''')
2486 if not have_netmap and get_option('netmap').enabled()
2487 error('Netmap headers not available')
2490 config_host_data.set('CONFIG_NETMAP', have_netmap)
2492 # Work around a system header bug with some kernel/XFS header
2493 # versions where they both try to define 'struct fsxattr':
2494 # xfs headers will not try to redefine structs from linux headers
2495 # if this macro is set.
2496 config_host_data.set('HAVE_FSXATTR', cc.links('''
2497 #include <linux/fs.h>
2503 # Some versions of Mac OS X incorrectly define SIZE_MAX
2504 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2508 return printf("%zu", SIZE_MAX);
2509 }''', args: ['-Werror']))
2511 # See if 64-bit atomic operations are supported.
2512 # Note that without __atomic builtins, we can only
2513 # assume atomic loads/stores max at pointer size.
2514 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2518 uint64_t x = 0, y = 0;
2519 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2520 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2521 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2522 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2523 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2527 has_int128_type = cc.compiles('''
2530 int main(void) { b = a; }''')
2531 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2533 has_int128 = has_int128_type and cc.links('''
2542 config_host_data.set('CONFIG_INT128', has_int128)
2545 # "do we have 128-bit atomics which are handled inline and specifically not
2546 # via libatomic". The reason we can't use libatomic is documented in the
2547 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2548 # We only care about these operations on 16-byte aligned pointers, so
2549 # force 16-byte alignment of the pointer, which may be greater than
2550 # __alignof(unsigned __int128) for the host.
2551 atomic_test_128 = '''
2552 int main(int ac, char **av) {
2553 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2554 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2555 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2556 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2559 has_atomic128 = cc.links(atomic_test_128)
2561 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2563 if not has_atomic128
2564 # Even with __builtin_assume_aligned, the above test may have failed
2565 # without optimization enabled. Try again with optimizations locally
2566 # enabled for the function. See
2567 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2568 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2569 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2571 if not has_atomic128_opt
2572 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2575 __uint128_t x = 0, y = 0;
2576 __sync_val_compare_and_swap_16(&x, y, x);
2584 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2585 #include <sys/auxv.h>
2587 return getauxval(AT_HWCAP) == 0;
2590 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2591 #include <linux/usbdevice_fs.h>
2593 #ifndef USBDEVFS_GET_CAPABILITIES
2594 #error "USBDEVFS_GET_CAPABILITIES undefined"
2597 #ifndef USBDEVFS_DISCONNECT_CLAIM
2598 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2601 int main(void) { return 0; }'''))
2603 have_keyring = get_option('keyring') \
2604 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2605 .require(cc.compiles('''
2607 #include <asm/unistd.h>
2608 #include <linux/keyctl.h>
2609 #include <sys/syscall.h>
2612 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2613 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2614 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2616 have_cpuid_h = cc.links('''
2619 unsigned a, b, c, d;
2620 unsigned max = __get_cpuid_max(0, 0);
2623 __cpuid(1, a, b, c, d);
2627 __cpuid_count(7, 0, a, b, c, d);
2632 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2634 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2635 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2636 .require(cc.links('''
2638 #include <immintrin.h>
2639 static int __attribute__((target("avx2"))) bar(void *a) {
2640 __m256i x = *(__m256i *)a;
2641 return _mm256_testz_si256(x, x);
2643 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2644 '''), error_message: 'AVX2 not available').allowed())
2646 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2647 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2648 .require(cc.links('''
2650 #include <immintrin.h>
2651 static int __attribute__((target("avx512f"))) bar(void *a) {
2652 __m512i x = *(__m512i *)a;
2653 return _mm512_test_epi64_mask(x, x);
2655 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2656 '''), error_message: 'AVX512F not available').allowed())
2658 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2659 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2660 .require(cc.links('''
2662 #include <immintrin.h>
2663 static int __attribute__((target("avx512bw"))) bar(void *a) {
2665 __m512i res= _mm512_abs_epi8(*x);
2668 int main(int argc, char *argv[]) { return bar(argv[0]); }
2669 '''), error_message: 'AVX512BW not available').allowed())
2671 # For both AArch64 and AArch32, detect if builtins are available.
2672 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2673 #include <arm_neon.h>
2674 #ifndef __ARM_FEATURE_AES
2675 __attribute__((target("+crypto")))
2677 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2680 have_pvrdma = get_option('pvrdma') \
2681 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2682 .require(cc.compiles(gnu_source_prefix + '''
2683 #include <sys/mman.h>
2688 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2691 }'''), error_message: 'PVRDMA requires mremap').allowed()
2694 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2695 #include <infiniband/verbs.h>
2699 struct ibv_pd *pd = NULL;
2705 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2711 if get_option('membarrier').disabled()
2712 have_membarrier = false
2713 elif targetos == 'windows'
2714 have_membarrier = true
2715 elif targetos == 'linux'
2716 have_membarrier = cc.compiles('''
2717 #include <linux/membarrier.h>
2718 #include <sys/syscall.h>
2722 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2723 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2727 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2728 .require(have_membarrier, error_message: 'membarrier system call not available') \
2731 have_afalg = get_option('crypto_afalg') \
2732 .require(cc.compiles(gnu_source_prefix + '''
2734 #include <sys/types.h>
2735 #include <sys/socket.h>
2736 #include <linux/if_alg.h>
2739 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2742 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2743 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2745 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2746 'linux/vm_sockets.h', 'AF_VSOCK',
2747 prefix: '#include <sys/socket.h>',
2751 have_vss_sdk = false # old xp/2003 SDK
2752 if targetos == 'windows' and 'cpp' in all_languages
2753 have_vss = cxx.compiles('''
2754 #define __MIDL_user_allocate_free_DEFINED__
2756 int main(void) { return VSS_CTX_BACKUP; }''')
2757 have_vss_sdk = cxx.has_header('vscoordint.h')
2759 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2761 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2762 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2763 if targetos == 'windows'
2764 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2770 }''', name: '_lock_file and _unlock_file'))
2773 if targetos == 'windows'
2774 mingw_has_setjmp_longjmp = cc.links('''
2778 * These functions are not available in setjmp header, but may be
2779 * available at link time, from libmingwex.a.
2781 extern int __mingw_setjmp(jmp_buf);
2782 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2784 __mingw_setjmp(env);
2785 __mingw_longjmp(env, 0);
2787 ''', name: 'mingw setjmp and longjmp')
2789 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2790 error('mingw must provide setjmp/longjmp for windows-arm64')
2794 ########################
2795 # Target configuration #
2796 ########################
2798 minikconf = find_program('scripts/minikconf.py')
2800 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2802 if targetos == 'darwin'
2803 config_targetos += {'CONFIG_DARWIN': 'y'}
2804 elif targetos == 'linux'
2805 config_targetos += {'CONFIG_LINUX': 'y'}
2807 if targetos in bsd_oses
2808 config_targetos += {'CONFIG_BSD': 'y'}
2812 config_all_devices = {}
2813 config_all_disas = {}
2814 config_devices_mak_list = []
2815 config_devices_h = {}
2816 config_target_h = {}
2817 config_target_mak = {}
2820 'alpha' : ['CONFIG_ALPHA_DIS'],
2821 'avr' : ['CONFIG_AVR_DIS'],
2822 'cris' : ['CONFIG_CRIS_DIS'],
2823 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2824 'hppa' : ['CONFIG_HPPA_DIS'],
2825 'i386' : ['CONFIG_I386_DIS'],
2826 'x86_64' : ['CONFIG_I386_DIS'],
2827 'm68k' : ['CONFIG_M68K_DIS'],
2828 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2829 'mips' : ['CONFIG_MIPS_DIS'],
2830 'nios2' : ['CONFIG_NIOS2_DIS'],
2831 'or1k' : ['CONFIG_OPENRISC_DIS'],
2832 'ppc' : ['CONFIG_PPC_DIS'],
2833 'riscv' : ['CONFIG_RISCV_DIS'],
2834 'rx' : ['CONFIG_RX_DIS'],
2835 's390' : ['CONFIG_S390_DIS'],
2836 'sh4' : ['CONFIG_SH4_DIS'],
2837 'sparc' : ['CONFIG_SPARC_DIS'],
2838 'xtensa' : ['CONFIG_XTENSA_DIS'],
2839 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2842 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2844 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2845 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2846 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2847 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2848 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2849 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2850 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2851 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2852 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2853 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2854 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2855 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2856 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2857 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2859 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2861 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2862 actual_target_dirs = []
2864 foreach target : target_dirs
2865 config_target = { 'TARGET_NAME': target.split('-')[0] }
2866 if target.endswith('linux-user')
2867 if targetos != 'linux'
2871 error('Target @0@ is only available on a Linux host'.format(target))
2873 config_target += { 'CONFIG_LINUX_USER': 'y' }
2874 elif target.endswith('bsd-user')
2875 if targetos not in bsd_oses
2879 error('Target @0@ is only available on a BSD host'.format(target))
2881 config_target += { 'CONFIG_BSD_USER': 'y' }
2882 elif target.endswith('softmmu')
2883 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2884 config_target += { 'CONFIG_SOFTMMU': 'y' }
2886 if target.endswith('-user')
2888 'CONFIG_USER_ONLY': 'y',
2889 'CONFIG_QEMU_INTERP_PREFIX':
2890 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2895 foreach sym: accelerators
2896 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2897 config_target += { sym: 'y' }
2898 config_all += { sym: 'y' }
2899 if target in modular_tcg
2900 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2902 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2904 accel_kconfig += [ sym + '=y' ]
2907 if accel_kconfig.length() == 0
2911 error('No accelerator available for target @0@'.format(target))
2914 actual_target_dirs += target
2915 config_target += keyval.load('configs/targets' / target + '.mak')
2916 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2918 if 'TARGET_NEED_FDT' in config_target
2919 fdt_required += target
2923 if 'TARGET_BASE_ARCH' not in config_target
2924 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2926 if 'TARGET_ABI_DIR' not in config_target
2927 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2929 if 'TARGET_BIG_ENDIAN' not in config_target
2930 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2933 foreach k, v: disassemblers
2934 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2936 config_target += { sym: 'y' }
2937 config_all_disas += { sym: 'y' }
2942 config_target_data = configuration_data()
2943 foreach k, v: config_target
2944 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2946 elif ignored.contains(k)
2948 elif k == 'TARGET_BASE_ARCH'
2949 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2950 # not used to select files from sourcesets.
2951 config_target_data.set('TARGET_' + v.to_upper(), 1)
2952 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2953 config_target_data.set_quoted(k, v)
2955 config_target_data.set(k, 1)
2957 config_target_data.set(k, 0)
2959 config_target_data.set(k, v)
2962 config_target_data.set('QEMU_ARCH',
2963 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2964 config_target_h += {target: configure_file(output: target + '-config-target.h',
2965 configuration: config_target_data)}
2967 if target.endswith('-softmmu')
2968 config_input = meson.get_external_property(target, 'default')
2969 config_devices_mak = target + '-config-devices.mak'
2970 config_devices_mak = configure_file(
2971 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2972 output: config_devices_mak,
2973 depfile: config_devices_mak + '.d',
2975 command: [minikconf,
2976 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2977 config_devices_mak, '@DEPFILE@', '@INPUT@',
2978 host_kconfig, accel_kconfig,
2979 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2981 config_devices_data = configuration_data()
2982 config_devices = keyval.load(config_devices_mak)
2983 foreach k, v: config_devices
2984 config_devices_data.set(k, 1)
2986 config_devices_mak_list += config_devices_mak
2987 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2988 configuration: config_devices_data)}
2989 config_target += config_devices
2990 config_all_devices += config_devices
2992 config_target_mak += {target: config_target}
2994 target_dirs = actual_target_dirs
2996 # This configuration is used to build files that are shared by
2997 # multiple binaries, and then extracted out of the "common"
2998 # static_library target.
3000 # We do not use all_sources()/all_dependencies(), because it would
3001 # build literally all source files, including devices only used by
3002 # targets that are not built for this compilation. The CONFIG_ALL
3003 # pseudo symbol replaces it.
3005 config_all += config_all_devices
3006 config_all += config_targetos
3007 config_all += config_all_disas
3009 'CONFIG_XEN': xen.found(),
3010 'CONFIG_SYSTEM_ONLY': have_system,
3011 'CONFIG_USER_ONLY': have_user,
3015 target_configs_h = []
3016 foreach target: target_dirs
3017 target_configs_h += config_target_h[target]
3018 target_configs_h += config_devices_h.get(target, [])
3020 genh += custom_target('config-poison.h',
3021 input: [target_configs_h],
3022 output: 'config-poison.h',
3024 command: [find_program('scripts/make-config-poison.sh'),
3031 capstone = not_found
3032 if not get_option('capstone').auto() or have_system or have_user
3033 capstone = dependency('capstone', version: '>=3.0.5',
3034 method: 'pkg-config',
3035 required: get_option('capstone'))
3037 # Some versions of capstone have broken pkg-config file
3038 # that reports a wrong -I path, causing the #include to
3039 # fail later. If the system has such a broken version
3041 if capstone.found() and not cc.compiles('#include <capstone.h>',
3042 dependencies: [capstone])
3043 capstone = not_found
3044 if get_option('capstone').enabled()
3045 error('capstone requested, but it does not appear to work')
3050 libvfio_user_dep = not_found
3051 if have_system and vfio_user_server_allowed
3052 libvfio_user_proj = subproject('libvfio-user', required: true)
3053 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3057 fdt_opt = get_option('fdt')
3058 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3059 if fdt_opt == 'disabled'
3060 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3063 if fdt_opt in ['enabled', 'auto', 'system']
3064 if get_option('wrap_mode') == 'nodownload'
3067 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3068 if fdt.found() and cc.links('''
3070 #include <libfdt_env.h>
3071 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3074 elif fdt_opt == 'system'
3075 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3077 fdt_opt = 'internal'
3082 assert(fdt_opt == 'internal')
3083 libfdt_proj = subproject('dtc', required: true,
3084 default_options: ['tools=false', 'yaml=disabled',
3085 'python=disabled', 'default_library=static'])
3086 fdt = libfdt_proj.get_variable('libfdt_dep')
3089 fdt_opt = 'disabled'
3092 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3093 config_host_data.set('CONFIG_FDT', fdt.found())
3094 config_host_data.set('CONFIG_SLIRP', slirp.found())
3096 #####################
3097 # Generated sources #
3098 #####################
3100 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3102 hxtool = find_program('scripts/hxtool')
3103 shaderinclude = find_program('scripts/shaderinclude.py')
3104 qapi_gen = find_program('scripts/qapi-gen.py')
3105 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3106 meson.current_source_dir() / 'scripts/qapi/commands.py',
3107 meson.current_source_dir() / 'scripts/qapi/common.py',
3108 meson.current_source_dir() / 'scripts/qapi/error.py',
3109 meson.current_source_dir() / 'scripts/qapi/events.py',
3110 meson.current_source_dir() / 'scripts/qapi/expr.py',
3111 meson.current_source_dir() / 'scripts/qapi/gen.py',
3112 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3113 meson.current_source_dir() / 'scripts/qapi/main.py',
3114 meson.current_source_dir() / 'scripts/qapi/parser.py',
3115 meson.current_source_dir() / 'scripts/qapi/schema.py',
3116 meson.current_source_dir() / 'scripts/qapi/source.py',
3117 meson.current_source_dir() / 'scripts/qapi/types.py',
3118 meson.current_source_dir() / 'scripts/qapi/visit.py',
3119 meson.current_source_dir() / 'scripts/qapi-gen.py'
3123 python, files('scripts/tracetool.py'),
3124 '--backend=' + ','.join(get_option('trace_backends'))
3126 tracetool_depends = files(
3127 'scripts/tracetool/backend/log.py',
3128 'scripts/tracetool/backend/__init__.py',
3129 'scripts/tracetool/backend/dtrace.py',
3130 'scripts/tracetool/backend/ftrace.py',
3131 'scripts/tracetool/backend/simple.py',
3132 'scripts/tracetool/backend/syslog.py',
3133 'scripts/tracetool/backend/ust.py',
3134 'scripts/tracetool/format/ust_events_c.py',
3135 'scripts/tracetool/format/ust_events_h.py',
3136 'scripts/tracetool/format/__init__.py',
3137 'scripts/tracetool/format/d.py',
3138 'scripts/tracetool/format/simpletrace_stap.py',
3139 'scripts/tracetool/format/c.py',
3140 'scripts/tracetool/format/h.py',
3141 'scripts/tracetool/format/log_stap.py',
3142 'scripts/tracetool/format/stap.py',
3143 'scripts/tracetool/__init__.py',
3144 'scripts/tracetool/vcpu.py'
3147 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3148 meson.current_source_dir(),
3149 get_option('pkgversion'), meson.project_version()]
3150 qemu_version = custom_target('qemu-version.h',
3151 output: 'qemu-version.h',
3152 command: qemu_version_cmd,
3154 build_by_default: true,
3155 build_always_stale: true)
3156 genh += qemu_version
3160 ['qemu-options.hx', 'qemu-options.def'],
3161 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3165 ['hmp-commands.hx', 'hmp-commands.h'],
3166 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3169 foreach d : hx_headers
3170 hxdep += custom_target(d[1],
3174 command: [hxtool, '-h', '@INPUT0@'])
3182 authz_ss = ss.source_set()
3183 blockdev_ss = ss.source_set()
3184 block_ss = ss.source_set()
3185 chardev_ss = ss.source_set()
3186 common_ss = ss.source_set()
3187 crypto_ss = ss.source_set()
3188 hwcore_ss = ss.source_set()
3189 io_ss = ss.source_set()
3190 qmp_ss = ss.source_set()
3191 qom_ss = ss.source_set()
3192 system_ss = ss.source_set()
3193 specific_fuzz_ss = ss.source_set()
3194 specific_ss = ss.source_set()
3195 stub_ss = ss.source_set()
3196 trace_ss = ss.source_set()
3197 user_ss = ss.source_set()
3198 util_ss = ss.source_set()
3201 qtest_module_ss = ss.source_set()
3202 tcg_module_ss = ss.source_set()
3208 target_system_arch = {}
3209 target_user_arch = {}
3215 # TODO: add each directory to the subdirs from its own meson.build, once
3217 trace_events_subdirs = [
3226 trace_events_subdirs += [ 'linux-user' ]
3229 trace_events_subdirs += [ 'bsd-user' ]
3232 trace_events_subdirs += [
3241 trace_events_subdirs += [
3255 'hw/block/dataplane',
3306 if have_system or have_user
3307 trace_events_subdirs += [
3325 vhost_user = not_found
3326 if targetos == 'linux' and have_vhost_user
3327 libvhost_user = subproject('libvhost-user')
3328 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3331 libvduse = not_found
3333 libvduse_proj = subproject('libvduse')
3334 libvduse = libvduse_proj.get_variable('libvduse_dep')
3337 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3338 # that is filled in by qapi/.
3352 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3353 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3356 qom_ss = qom_ss.apply(config_targetos, strict: false)
3357 libqom = static_library('qom', qom_ss.sources() + genh,
3358 dependencies: [qom_ss.dependencies()],
3360 build_by_default: false)
3361 qom = declare_dependency(link_whole: libqom)
3363 event_loop_base = files('event-loop-base.c')
3364 event_loop_base = static_library('event-loop-base',
3365 sources: event_loop_base + genh,
3367 build_by_default: false)
3368 event_loop_base = declare_dependency(link_whole: event_loop_base,
3369 dependencies: [qom])
3371 stub_ss = stub_ss.apply(config_all, strict: false)
3373 util_ss.add_all(trace_ss)
3374 util_ss = util_ss.apply(config_all, strict: false)
3375 libqemuutil = static_library('qemuutil',
3376 build_by_default: false,
3377 sources: util_ss.sources() + stub_ss.sources() + genh,
3378 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3379 qemuutil = declare_dependency(link_with: libqemuutil,
3380 sources: genh + version_res,
3381 dependencies: [event_loop_base])
3383 if have_system or have_user
3384 decodetree = generator(find_program('scripts/decodetree.py'),
3385 output: 'decode-@BASENAME@.c.inc',
3386 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3387 subdir('libdecnumber')
3404 if config_host_data.get('CONFIG_REPLICATION')
3405 block_ss.add(files('replication.c'))
3412 blockdev_ss.add(files(
3419 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3420 # os-win32.c does not
3421 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3422 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3425 common_ss.add(files('cpu-common.c'))
3426 specific_ss.add(files('cpu-target.c'))
3430 # Work around a gcc bug/misfeature wherein constant propagation looks
3432 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3433 # to guess that a const variable is always zero. Without lto, this is
3434 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3435 # without lto, not even the alias is required -- we simply use different
3436 # declarations in different compilation units.
3437 pagevary = files('page-vary-common.c')
3438 if get_option('b_lto')
3439 pagevary_flags = ['-fno-lto']
3440 if get_option('cfi')
3441 pagevary_flags += '-fno-sanitize=cfi-icall'
3443 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3444 c_args: pagevary_flags)
3445 pagevary = declare_dependency(link_with: pagevary)
3447 common_ss.add(pagevary)
3448 specific_ss.add(files('page-vary-target.c'))
3456 subdir('semihosting')
3464 common_user_inc = []
3466 subdir('common-user')
3468 subdir('linux-user')
3470 # needed for fuzzing binaries
3471 subdir('tests/qtest/libqos')
3472 subdir('tests/qtest/fuzz')
3475 tcg_real_module_ss = ss.source_set()
3476 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3477 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3478 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3479 'tcg': tcg_real_module_ss }}
3481 ########################
3482 # Library dependencies #
3483 ########################
3485 modinfo_collect = find_program('scripts/modinfo-collect.py')
3486 modinfo_generate = find_program('scripts/modinfo-generate.py')
3491 foreach d, list : modules
3492 if not (d == 'block' ? have_block : have_system)
3496 foreach m, module_ss : list
3498 module_ss = module_ss.apply(config_all, strict: false)
3499 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3500 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3506 if module_ss.sources() != []
3507 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3508 # input. Sources can be used multiple times but objects are
3509 # unique when it comes to lookup in compile_commands.json.
3510 # Depnds on a mesion version with
3511 # https://github.com/mesonbuild/meson/pull/8900
3512 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3513 output: d + '-' + m + '.modinfo',
3514 input: module_ss.sources() + genh,
3516 command: [modinfo_collect, module_ss.sources()])
3520 block_ss.add_all(module_ss)
3522 system_ss.add_all(module_ss)
3528 foreach d, list : target_modules
3529 foreach m, module_ss : list
3531 foreach target : target_dirs
3532 if target.endswith('-softmmu')
3533 config_target = config_target_mak[target]
3534 config_target += config_targetos
3535 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3536 c_args = ['-DNEED_CPU_H',
3537 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3538 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3539 target_module_ss = module_ss.apply(config_target, strict: false)
3540 if target_module_ss.sources() != []
3541 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3542 sl = static_library(module_name,
3543 [genh, target_module_ss.sources()],
3544 dependencies: [modulecommon, target_module_ss.dependencies()],
3545 include_directories: target_inc,
3549 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3550 modinfo_files += custom_target(module_name + '.modinfo',
3551 output: module_name + '.modinfo',
3552 input: target_module_ss.sources() + genh,
3554 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3559 specific_ss.add_all(module_ss)
3565 foreach target : target_dirs
3566 if target.endswith('-softmmu')
3567 config_target = config_target_mak[target]
3568 config_devices_mak = target + '-config-devices.mak'
3569 modinfo_src = custom_target('modinfo-' + target + '.c',
3570 output: 'modinfo-' + target + '.c',
3571 input: modinfo_files,
3572 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3575 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3576 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3578 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3579 hw_arch[arch].add(modinfo_dep)
3584 nm = find_program('nm')
3585 undefsym = find_program('scripts/undefsym.py')
3586 block_syms = custom_target('block.syms', output: 'block.syms',
3587 input: [libqemuutil, block_mods],
3589 command: [undefsym, nm, '@INPUT@'])
3590 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3591 input: [libqemuutil, system_mods],
3593 command: [undefsym, nm, '@INPUT@'])
3595 authz_ss = authz_ss.apply(config_targetos, strict: false)
3596 libauthz = static_library('authz', authz_ss.sources() + genh,
3597 dependencies: [authz_ss.dependencies()],
3599 build_by_default: false)
3601 authz = declare_dependency(link_whole: libauthz,
3604 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3605 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3606 dependencies: [crypto_ss.dependencies()],
3608 build_by_default: false)
3610 crypto = declare_dependency(link_whole: libcrypto,
3611 dependencies: [authz, qom])
3613 io_ss = io_ss.apply(config_targetos, strict: false)
3614 libio = static_library('io', io_ss.sources() + genh,
3615 dependencies: [io_ss.dependencies()],
3616 link_with: libqemuutil,
3618 build_by_default: false)
3620 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3622 libmigration = static_library('migration', sources: migration_files + genh,
3624 build_by_default: false)
3625 migration = declare_dependency(link_with: libmigration,
3626 dependencies: [zlib, qom, io])
3627 system_ss.add(migration)
3629 block_ss = block_ss.apply(config_targetos, strict: false)
3630 libblock = static_library('block', block_ss.sources() + genh,
3631 dependencies: block_ss.dependencies(),
3632 link_depends: block_syms,
3634 build_by_default: false)
3636 block = declare_dependency(link_whole: [libblock],
3637 link_args: '@block.syms',
3638 dependencies: [crypto, io])
3640 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3641 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3642 dependencies: blockdev_ss.dependencies(),
3644 build_by_default: false)
3646 blockdev = declare_dependency(link_whole: [libblockdev],
3647 dependencies: [block, event_loop_base])
3649 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3650 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3651 dependencies: qmp_ss.dependencies(),
3653 build_by_default: false)
3655 qmp = declare_dependency(link_whole: [libqmp])
3657 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3659 dependencies: chardev_ss.dependencies(),
3660 build_by_default: false)
3662 chardev = declare_dependency(link_whole: libchardev)
3664 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3665 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3667 build_by_default: false)
3668 hwcore = declare_dependency(link_whole: libhwcore)
3669 common_ss.add(hwcore)
3675 emulator_modules = []
3676 foreach m : block_mods + system_mods
3677 emulator_modules += shared_module(m.name(),
3678 build_by_default: true,
3682 install_dir: qemu_moddir)
3684 if emulator_modules.length() > 0
3685 alias_target('modules', emulator_modules)
3688 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3689 common_ss.add(qom, qemuutil)
3691 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3692 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3694 common_all = common_ss.apply(config_all, strict: false)
3695 common_all = static_library('common',
3696 build_by_default: false,
3697 sources: common_all.sources() + genh,
3698 include_directories: common_user_inc,
3699 implicit_include_directories: false,
3700 dependencies: common_all.dependencies(),
3703 feature_to_c = find_program('scripts/feature_to_c.py')
3705 if targetos == 'darwin'
3706 entitlement = find_program('scripts/entitlement.sh')
3710 foreach target : target_dirs
3711 config_target = config_target_mak[target]
3712 target_name = config_target['TARGET_NAME']
3713 target_base_arch = config_target['TARGET_BASE_ARCH']
3714 arch_srcs = [config_target_h[target]]
3716 c_args = ['-DNEED_CPU_H',
3717 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3718 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3719 link_args = emulator_link_args
3721 config_target += config_targetos
3722 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3723 if targetos == 'linux'
3724 target_inc += include_directories('linux-headers', is_system: true)
3726 if target.endswith('-softmmu')
3727 target_type='system'
3728 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3729 arch_srcs += t.sources()
3730 arch_deps += t.dependencies()
3732 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3733 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3734 arch_srcs += hw.sources()
3735 arch_deps += hw.dependencies()
3737 arch_srcs += config_devices_h[target]
3738 link_args += ['@block.syms', '@qemu.syms']
3740 abi = config_target['TARGET_ABI_DIR']
3742 target_inc += common_user_inc
3743 if target_base_arch in target_user_arch
3744 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3745 arch_srcs += t.sources()
3746 arch_deps += t.dependencies()
3748 if 'CONFIG_LINUX_USER' in config_target
3749 base_dir = 'linux-user'
3751 if 'CONFIG_BSD_USER' in config_target
3752 base_dir = 'bsd-user'
3753 target_inc += include_directories('bsd-user/' / targetos)
3754 target_inc += include_directories('bsd-user/host/' / host_arch)
3755 dir = base_dir / abi
3756 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3758 target_inc += include_directories(
3762 if 'CONFIG_LINUX_USER' in config_target
3763 dir = base_dir / abi
3764 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3765 if config_target.has_key('TARGET_SYSTBL_ABI')
3767 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3768 extra_args : config_target['TARGET_SYSTBL_ABI'])
3773 if 'TARGET_XML_FILES' in config_target
3774 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3775 output: target + '-gdbstub-xml.c',
3776 input: files(config_target['TARGET_XML_FILES'].split()),
3777 command: [feature_to_c, '@INPUT@'],
3779 arch_srcs += gdbstub_xml
3782 t = target_arch[target_base_arch].apply(config_target, strict: false)
3783 arch_srcs += t.sources()
3784 arch_deps += t.dependencies()
3786 target_common = common_ss.apply(config_target, strict: false)
3787 objects = common_all.extract_objects(target_common.sources())
3788 deps = target_common.dependencies()
3790 target_specific = specific_ss.apply(config_target, strict: false)
3791 arch_srcs += target_specific.sources()
3792 arch_deps += target_specific.dependencies()
3794 lib = static_library('qemu-' + target,
3795 sources: arch_srcs + genh,
3796 dependencies: arch_deps,
3798 include_directories: target_inc,
3800 build_by_default: false,
3803 if target.endswith('-softmmu')
3805 'name': 'qemu-system-' + target_name,
3806 'win_subsystem': 'console',
3807 'sources': files('system/main.c'),
3810 if targetos == 'windows' and (sdl.found() or gtk.found())
3812 'name': 'qemu-system-' + target_name + 'w',
3813 'win_subsystem': 'windows',
3814 'sources': files('system/main.c'),
3818 if get_option('fuzzing')
3819 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3821 'name': 'qemu-fuzz-' + target_name,
3822 'win_subsystem': 'console',
3823 'sources': specific_fuzz.sources(),
3824 'dependencies': specific_fuzz.dependencies(),
3829 'name': 'qemu-' + target_name,
3830 'win_subsystem': 'console',
3836 exe_name = exe['name']
3837 if targetos == 'darwin'
3838 exe_name += '-unsigned'
3841 emulator = executable(exe_name, exe['sources'],
3844 dependencies: arch_deps + deps + exe['dependencies'],
3845 objects: lib.extract_all_objects(recursive: true),
3846 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3847 link_args: link_args,
3848 win_subsystem: exe['win_subsystem'])
3850 if targetos == 'darwin'
3851 icon = 'pc-bios/qemu.rsrc'
3852 build_input = [emulator, files(icon)]
3854 get_option('bindir') / exe_name,
3855 meson.current_source_dir() / icon
3857 if 'CONFIG_HVF' in config_target
3858 entitlements = 'accel/hvf/entitlements.plist'
3859 build_input += files(entitlements)
3860 install_input += meson.current_source_dir() / entitlements
3863 emulators += {exe['name'] : custom_target(exe['name'],
3865 output: exe['name'],
3866 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3869 meson.add_install_script(entitlement, '--install',
3870 get_option('bindir') / exe['name'],
3873 emulators += {exe['name']: emulator}
3878 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3879 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3880 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3881 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3883 custom_target(exe['name'] + stp['ext'],
3884 input: trace_events_all,
3885 output: exe['name'] + stp['ext'],
3886 install: stp['install'],
3887 install_dir: get_option('datadir') / 'systemtap/tapset',
3889 tracetool, '--group=all', '--format=' + stp['fmt'],
3890 '--binary=' + stp['bin'],
3891 '--target-name=' + target_name,
3892 '--target-type=' + target_type,
3893 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3894 '@INPUT@', '@OUTPUT@'
3896 depend_files: tracetool_depends)
3902 # Other build targets
3904 if get_option('plugins')
3905 install_headers('include/qemu/qemu-plugin.h')
3910 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3911 # when we don't build tools or system
3912 if xkbcommon.found()
3913 # used for the update-keymaps target, so include rules even if !have_tools
3914 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3915 dependencies: [qemuutil, xkbcommon], install: have_tools)
3919 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3920 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3921 qemu_io = executable('qemu-io', files('qemu-io.c'),
3922 dependencies: [block, qemuutil], install: true)
3923 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3924 dependencies: [blockdev, qemuutil, gnutls, selinux],
3927 subdir('storage-daemon')
3928 subdir('contrib/rdmacm-mux')
3929 subdir('contrib/elf2dmp')
3931 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3932 dependencies: qemuutil,
3936 subdir('contrib/vhost-user-blk')
3937 subdir('contrib/vhost-user-gpu')
3938 subdir('contrib/vhost-user-input')
3939 subdir('contrib/vhost-user-scsi')
3942 if targetos == 'linux'
3943 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3944 dependencies: [qemuutil, libcap_ng],
3946 install_dir: get_option('libexecdir'))
3948 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3949 dependencies: [authz, crypto, io, qom, qemuutil,
3950 libcap_ng, mpathpersist],
3955 subdir('contrib/ivshmem-client')
3956 subdir('contrib/ivshmem-server')
3969 if host_machine.system() == 'windows'
3971 find_program('scripts/nsis.py'),
3973 get_option('prefix'),
3974 meson.current_source_dir(),
3975 glib_pc.get_variable('bindir'),
3978 '-DDISPLAYVERSION=' + meson.project_version(),
3981 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3984 nsis_cmd += '-DCONFIG_GTK=y'
3987 nsis = custom_target('nsis',
3988 output: 'qemu-setup-' + meson.project_version() + '.exe',
3989 input: files('qemu.nsi'),
3990 build_always_stale: true,
3991 command: nsis_cmd + ['@INPUT@'])
3992 alias_target('installer', nsis)
3995 #########################
3996 # Configuration summary #
3997 #########################
4001 summary_info += {'Build directory': meson.current_build_dir()}
4002 summary_info += {'Source path': meson.current_source_dir()}
4003 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4004 summary(summary_info, bool_yn: true, section: 'Build environment')
4007 summary_info += {'Install prefix': get_option('prefix')}
4008 summary_info += {'BIOS directory': qemu_datadir}
4009 pathsep = targetos == 'windows' ? ';' : ':'
4010 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4011 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4012 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4013 summary_info += {'module directory': qemu_moddir}
4014 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4015 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4016 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4017 if targetos != 'windows'
4018 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4019 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4021 summary_info += {'local state directory': 'queried at runtime'}
4023 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4024 summary(summary_info, bool_yn: true, section: 'Directories')
4028 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4029 summary_info += {'sphinx-build': sphinx_build}
4031 # FIXME: the [binaries] section of machine files, which can be probed
4032 # with find_program(), would be great for passing gdb and genisoimage
4033 # paths from configure to Meson. However, there seems to be no way to
4034 # hide a program (for example if gdb is too old).
4035 if config_host.has_key('GDB')
4036 summary_info += {'gdb': config_host['GDB']}
4038 summary_info += {'iasl': iasl}
4039 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4040 if targetos == 'windows' and have_ga
4041 summary_info += {'wixl': wixl}
4043 if slirp.found() and have_system
4044 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4046 summary(summary_info, bool_yn: true, section: 'Host binaries')
4048 # Configurable features
4050 summary_info += {'Documentation': build_docs}
4051 summary_info += {'system-mode emulation': have_system}
4052 summary_info += {'user-mode emulation': have_user}
4053 summary_info += {'block layer': have_block}
4054 summary_info += {'Install blobs': get_option('install_blobs')}
4055 summary_info += {'module support': enable_modules}
4057 summary_info += {'alternative module path': get_option('module_upgrades')}
4059 summary_info += {'fuzzing support': get_option('fuzzing')}
4061 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4063 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4064 if 'simple' in get_option('trace_backends')
4065 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4067 summary_info += {'D-Bus display': dbus_display}
4068 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4069 summary_info += {'Relocatable install': get_option('relocatable')}
4070 summary_info += {'vhost-kernel support': have_vhost_kernel}
4071 summary_info += {'vhost-net support': have_vhost_net}
4072 summary_info += {'vhost-user support': have_vhost_user}
4073 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4074 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4075 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4076 summary_info += {'build guest agent': have_ga}
4077 summary(summary_info, bool_yn: true, section: 'Configurable features')
4079 # Compilation information
4081 summary_info += {'host CPU': cpu}
4082 summary_info += {'host endianness': build_machine.endian()}
4083 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4084 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4085 if 'cpp' in all_languages
4086 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4088 summary_info += {'C++ compiler': false}
4090 if 'objc' in all_languages
4091 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4093 summary_info += {'Objective-C compiler': false}
4095 option_cflags = (get_option('debug') ? ['-g'] : [])
4096 if get_option('optimization') != 'plain'
4097 option_cflags += ['-O' + get_option('optimization')]
4099 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4100 if 'cpp' in all_languages
4101 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4103 if 'objc' in all_languages
4104 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4106 link_args = get_option('c_link_args')
4107 if link_args.length() > 0
4108 summary_info += {'LDFLAGS': ' '.join(link_args)}
4110 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4111 if 'cpp' in all_languages
4112 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4114 if 'objc' in all_languages
4115 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4117 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4118 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4119 summary_info += {'PIE': get_option('b_pie')}
4120 summary_info += {'static build': get_option('prefer_static')}
4121 summary_info += {'malloc trim support': has_malloc_trim}
4122 summary_info += {'membarrier': have_membarrier}
4123 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4124 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4125 summary_info += {'mutex debugging': get_option('debug_mutex')}
4126 summary_info += {'memory allocator': get_option('malloc')}
4127 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4128 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4129 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4130 summary_info += {'gcov': get_option('b_coverage')}
4131 summary_info += {'thread sanitizer': get_option('tsan')}
4132 summary_info += {'CFI support': get_option('cfi')}
4133 if get_option('cfi')
4134 summary_info += {'CFI debug support': get_option('cfi_debug')}
4136 summary_info += {'strip binaries': get_option('strip')}
4137 summary_info += {'sparse': sparse}
4138 summary_info += {'mingw32 support': targetos == 'windows'}
4139 summary(summary_info, bool_yn: true, section: 'Compilation')
4141 # snarf the cross-compilation information for tests
4144 foreach target: target_dirs
4145 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4146 if fs.exists(tcg_mak)
4147 config_cross_tcg = keyval.load(tcg_mak)
4148 if 'CC' in config_cross_tcg
4149 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4155 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4158 # Targets and accelerators
4161 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4162 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4163 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4164 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4165 summary_info += {'Xen support': xen.found()}
4167 summary_info += {'xen ctrl version': xen.version()}
4169 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4171 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4172 if config_all.has_key('CONFIG_TCG')
4173 if get_option('tcg_interpreter')
4174 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4176 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4178 summary_info += {'TCG plugins': get_option('plugins')}
4179 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4181 summary_info += {'target list': ' '.join(target_dirs)}
4183 summary_info += {'default devices': get_option('default_devices')}
4184 summary_info += {'out of process emulation': multiprocess_allowed}
4185 summary_info += {'vfio-user server': vfio_user_server_allowed}
4187 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4191 summary_info += {'coroutine backend': coroutine_backend}
4192 summary_info += {'coroutine pool': have_coroutine_pool}
4194 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4195 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4196 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4197 summary_info += {'VirtFS (9P) support': have_virtfs}
4198 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4199 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4200 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4201 summary_info += {'bochs support': get_option('bochs').allowed()}
4202 summary_info += {'cloop support': get_option('cloop').allowed()}
4203 summary_info += {'dmg support': get_option('dmg').allowed()}
4204 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4205 summary_info += {'vdi support': get_option('vdi').allowed()}
4206 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4207 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4208 summary_info += {'vpc support': get_option('vpc').allowed()}
4209 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4210 summary_info += {'qed support': get_option('qed').allowed()}
4211 summary_info += {'parallels support': get_option('parallels').allowed()}
4212 summary_info += {'FUSE exports': fuse}
4213 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4215 summary(summary_info, bool_yn: true, section: 'Block layer support')
4219 summary_info += {'TLS priority': get_option('tls_priority')}
4220 summary_info += {'GNUTLS support': gnutls}
4222 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4224 summary_info += {'libgcrypt': gcrypt}
4225 summary_info += {'nettle': nettle}
4227 summary_info += {' XTS': xts != 'private'}
4229 summary_info += {'AF_ALG support': have_afalg}
4230 summary_info += {'rng-none': get_option('rng_none')}
4231 summary_info += {'Linux keyring': have_keyring}
4232 summary_info += {'Linux keyutils': keyutils}
4233 summary(summary_info, bool_yn: true, section: 'Crypto')
4237 if targetos == 'darwin'
4238 summary_info += {'Cocoa support': cocoa}
4240 summary_info += {'SDL support': sdl}
4241 summary_info += {'SDL image support': sdl_image}
4242 summary_info += {'GTK support': gtk}
4243 summary_info += {'pixman': pixman}
4244 summary_info += {'VTE support': vte}
4245 summary_info += {'PNG support': png}
4246 summary_info += {'VNC support': vnc}
4248 summary_info += {'VNC SASL support': sasl}
4249 summary_info += {'VNC JPEG support': jpeg}
4251 summary_info += {'spice protocol support': spice_protocol}
4252 if spice_protocol.found()
4253 summary_info += {' spice server support': spice}
4255 summary_info += {'curses support': curses}
4256 summary_info += {'brlapi support': brlapi}
4257 summary(summary_info, bool_yn: true, section: 'User interface')
4261 if targetos not in ['darwin', 'haiku', 'windows']
4262 summary_info += {'OSS support': oss}
4263 summary_info += {'sndio support': sndio}
4264 elif targetos == 'darwin'
4265 summary_info += {'CoreAudio support': coreaudio}
4266 elif targetos == 'windows'
4267 summary_info += {'DirectSound support': dsound}
4269 if targetos == 'linux'
4270 summary_info += {'ALSA support': alsa}
4271 summary_info += {'PulseAudio support': pulse}
4273 summary_info += {'PipeWire support': pipewire}
4274 summary_info += {'JACK support': jack}
4275 summary(summary_info, bool_yn: true, section: 'Audio backends')
4279 if targetos == 'darwin'
4280 summary_info += {'vmnet.framework support': vmnet}
4282 summary_info += {'AF_XDP support': libxdp}
4283 summary_info += {'slirp support': slirp}
4284 summary_info += {'vde support': vde}
4285 summary_info += {'netmap support': have_netmap}
4286 summary_info += {'l2tpv3 support': have_l2tpv3}
4287 summary(summary_info, bool_yn: true, section: 'Network backends')
4291 summary_info += {'libtasn1': tasn1}
4292 summary_info += {'PAM': pam}
4293 summary_info += {'iconv support': iconv}
4294 summary_info += {'virgl support': virgl}
4295 summary_info += {'rutabaga support': rutabaga}
4296 summary_info += {'blkio support': blkio}
4297 summary_info += {'curl support': curl}
4298 summary_info += {'Multipath support': mpathpersist}
4299 summary_info += {'Linux AIO support': libaio}
4300 summary_info += {'Linux io_uring support': linux_io_uring}
4301 summary_info += {'ATTR/XATTR support': libattr}
4302 summary_info += {'RDMA support': rdma}
4303 summary_info += {'PVRDMA support': have_pvrdma}
4304 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4305 summary_info += {'libcap-ng support': libcap_ng}
4306 summary_info += {'bpf support': libbpf}
4307 summary_info += {'rbd support': rbd}
4308 summary_info += {'smartcard support': cacard}
4309 summary_info += {'U2F support': u2f}
4310 summary_info += {'libusb': libusb}
4311 summary_info += {'usb net redir': usbredir}
4312 summary_info += {'OpenGL support (epoxy)': opengl}
4313 summary_info += {'GBM': gbm}
4314 summary_info += {'libiscsi support': libiscsi}
4315 summary_info += {'libnfs support': libnfs}
4316 if targetos == 'windows'
4318 summary_info += {'QGA VSS support': have_qga_vss}
4321 summary_info += {'seccomp support': seccomp}
4322 summary_info += {'GlusterFS support': glusterfs}
4323 summary_info += {'TPM support': have_tpm}
4324 summary_info += {'libssh support': libssh}
4325 summary_info += {'lzo support': lzo}
4326 summary_info += {'snappy support': snappy}
4327 summary_info += {'bzip2 support': libbzip2}
4328 summary_info += {'lzfse support': liblzfse}
4329 summary_info += {'zstd support': zstd}
4330 summary_info += {'NUMA host support': numa}
4331 summary_info += {'capstone': capstone}
4332 summary_info += {'libpmem support': libpmem}
4333 summary_info += {'libdaxctl support': libdaxctl}
4334 summary_info += {'libudev': libudev}
4335 # Dummy dependency, keep .found()
4336 summary_info += {'FUSE lseek': fuse_lseek.found()}
4337 summary_info += {'selinux': selinux}
4338 summary_info += {'libdw': libdw}
4339 summary(summary_info, bool_yn: true, section: 'Dependencies')
4341 if host_arch == 'unknown'
4343 warning('UNSUPPORTED HOST CPU')
4345 message('Support for CPU host architecture ' + cpu + ' is not currently')
4346 message('maintained. The QEMU project does not guarantee that QEMU will')
4347 message('compile or work on this host CPU. You can help by volunteering')
4348 message('to maintain it and providing a build host for our continuous')
4349 message('integration setup.')
4350 if get_option('tcg').allowed() and target_dirs.length() > 0
4352 message('configure has succeeded and you can continue to build, but')
4353 message('QEMU will use a slow interpreter to emulate the target CPU.')
4357 if not supported_oses.contains(targetos)
4359 warning('UNSUPPORTED HOST OS')
4361 message('Support for host OS ' + targetos + 'is not currently maintained.')
4362 message('configure has succeeded and you can continue to build, but')
4363 message('the QEMU project does not guarantee that QEMU will compile or')
4364 message('work on this operating system. You can help by volunteering')
4365 message('to maintain it and providing a build host for our continuous')
4366 message('integration setup. This will ensure that future versions of QEMU')
4367 message('will keep working on ' + targetos + '.')
4370 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4372 message('If you want to help supporting QEMU on this platform, please')
4373 message('contact the developers at qemu-devel@nongnu.org.')
4376 actually_reloc = get_option('relocatable')
4377 # check if get_relocated_path() is actually able to relocate paths
4378 if get_option('relocatable') and \
4379 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4381 warning('bindir not included within prefix, the installation will not be relocatable.')
4382 actually_reloc = false
4384 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4385 if targetos == 'windows'
4387 warning('Windows installs should usually be relocatable.')
4390 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4391 message('Use --disable-relocatable to remove this warning.')