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',
468 if targetos != 'darwin'
469 warn_flags += ['-Wthread-safety']
472 # Set up C++ compiler flags
474 if 'cpp' in all_languages
475 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
478 add_project_arguments(qemu_cflags, native: false, language: 'c')
479 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
480 if 'cpp' in all_languages
481 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
482 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
484 if 'objc' in all_languages
485 # Note sanitizer flags are not applied to Objective-C sources!
486 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
488 if targetos == 'linux'
489 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
490 '-isystem', 'linux-headers',
491 language: all_languages)
494 add_project_arguments('-iquote', '.',
495 '-iquote', meson.current_source_dir(),
496 '-iquote', meson.current_source_dir() / 'include',
497 language: all_languages)
499 # If a host-specific include directory exists, list that first...
500 host_include = meson.current_source_dir() / 'host/include/'
501 if fs.is_dir(host_include / host_arch)
502 add_project_arguments('-iquote', host_include / host_arch,
503 language: all_languages)
505 # ... followed by the generic fallback.
506 add_project_arguments('-iquote', host_include / 'generic',
507 language: all_languages)
509 sparse = find_program('cgcc', required: get_option('sparse'))
512 command: [find_program('scripts/check_sparse.py'),
513 'compile_commands.json', sparse.full_path(), '-Wbitwise',
514 '-Wno-transparent-union', '-Wno-old-initializer',
515 '-Wno-non-pointer-null'])
518 ###########################################
519 # Target-specific checks and dependencies #
520 ###########################################
523 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
526 #include <sys/types.h>
527 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
528 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
530 args: ['-Werror', '-fsanitize=fuzzer'])
531 error('Your compiler does not support -fsanitize=fuzzer')
535 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
536 error('ftrace is supported only on Linux')
538 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
541 openlog("qemu", LOG_PID, LOG_DAEMON);
542 syslog(LOG_INFO, "configure");
545 error('syslog is not supported on this system')
548 # Miscellaneous Linux-only features
549 get_option('mpath') \
550 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
552 multiprocess_allowed = get_option('multiprocess') \
553 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
556 vfio_user_server_allowed = get_option('vfio_user_server') \
557 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
560 have_tpm = get_option('tpm') \
561 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
565 have_vhost_user = get_option('vhost_user') \
566 .disable_auto_if(targetos != 'linux') \
567 .require(targetos != 'windows',
568 error_message: 'vhost-user is not available on Windows').allowed()
569 have_vhost_vdpa = get_option('vhost_vdpa') \
570 .require(targetos == 'linux',
571 error_message: 'vhost-vdpa is only available on Linux').allowed()
572 have_vhost_kernel = get_option('vhost_kernel') \
573 .require(targetos == 'linux',
574 error_message: 'vhost-kernel is only available on Linux').allowed()
575 have_vhost_user_crypto = get_option('vhost_crypto') \
576 .require(have_vhost_user,
577 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
579 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
581 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
582 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
583 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
584 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
586 # Target-specific libraries and flags
587 libm = cc.find_library('m', required: false)
588 threads = dependency('threads')
589 util = cc.find_library('util', required: false)
595 emulator_link_args = []
602 if targetos == 'windows'
603 midl = find_program('midl', required: false)
604 widl = find_program('widl', required: false)
605 pathcch = cc.find_library('pathcch')
606 socket = cc.find_library('ws2_32')
607 winmm = cc.find_library('winmm')
609 win = import('windows')
610 version_res = win.compile_resources('version.rc',
611 depend_files: files('pc-bios/qemu-nsis.ico'),
612 include_directories: include_directories('.'))
614 elif targetos == 'darwin'
615 coref = dependency('appleframeworks', modules: 'CoreFoundation')
616 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
617 host_dsosuf = '.dylib'
618 elif targetos == 'sunos'
619 socket = [cc.find_library('socket'),
620 cc.find_library('nsl'),
621 cc.find_library('resolv')]
622 elif targetos == 'haiku'
623 socket = [cc.find_library('posix_error_mapper'),
624 cc.find_library('network'),
625 cc.find_library('bsd')]
626 elif targetos == 'openbsd'
627 if get_option('tcg').allowed() and target_dirs.length() > 0
628 # Disable OpenBSD W^X if available
629 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
633 # Target-specific configuration of accelerators
635 if get_option('kvm').allowed() and targetos == 'linux'
636 accelerators += 'CONFIG_KVM'
638 if get_option('whpx').allowed() and targetos == 'windows'
639 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
640 error('WHPX requires 64-bit host')
641 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
642 cc.has_header('winhvemulation.h', required: get_option('whpx'))
643 accelerators += 'CONFIG_WHPX'
646 if get_option('hvf').allowed()
647 hvf = dependency('appleframeworks', modules: 'Hypervisor',
648 required: get_option('hvf'))
650 accelerators += 'CONFIG_HVF'
653 if targetos == 'netbsd'
654 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
656 accelerators += 'CONFIG_NVMM'
661 if get_option('tcg').allowed()
662 if host_arch == 'unknown'
663 if not get_option('tcg_interpreter')
664 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
666 elif get_option('tcg_interpreter')
667 warning('Use of the TCG interpreter is not recommended on this host')
668 warning('architecture. There is a native TCG execution backend available')
669 warning('which provides substantially better performance and reliability.')
670 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
671 warning('configuration option on this architecture to use the native')
674 if get_option('tcg_interpreter')
676 elif host_arch == 'x86_64'
678 elif host_arch == 'ppc64'
681 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
682 language: all_languages)
684 accelerators += 'CONFIG_TCG'
687 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
688 error('KVM not available on this platform')
690 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
691 error('HVF not available on this platform')
693 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
694 error('NVMM not available on this platform')
696 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
697 error('WHPX not available on this platform')
704 # When bumping glib minimum version, please check also whether to increase
705 # the _WIN32_WINNT setting in osdep.h according to the value from glib
706 glib_req_ver = '>=2.56.0'
707 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
708 method: 'pkg-config')
711 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
712 method: 'pkg-config')
713 elif get_option('plugins')
714 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
715 method: 'pkg-config')
720 # This workaround is required due to a bug in pkg-config file for glib as it
721 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
722 if targetos == 'windows' and get_option('prefer_static')
723 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
726 # Sanity check that the current size_t matches the
727 # size that glib thinks it should be. This catches
728 # problems on multi-arch where people try to build
729 # 32-bit QEMU while pointing at 64-bit glib headers
731 if not cc.compiles('''
735 #define QEMU_BUILD_BUG_ON(x) \
736 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
739 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
741 }''', dependencies: glib_pc, args: glib_cflags)
742 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
743 You probably need to set PKG_CONFIG_LIBDIR" to point
744 to the right pkg-config files for your build target.''')
747 # Silence clang warnings triggered by glib < 2.57.2
748 if not cc.compiles('''
753 static void foo_free(Foo *f)
757 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
758 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
759 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
761 glib = declare_dependency(dependencies: [glib_pc, gmodule],
762 compile_args: glib_cflags,
763 version: glib_pc.version())
765 # Check whether glib has gslice, which we have to avoid for correctness.
766 # TODO: remove this check and the corresponding workaround (qtree) when
767 # the minimum supported glib is >= 2.75.3
768 glib_has_gslice = glib.version().version_compare('<2.75.3')
770 # override glib dep to include the above refinements
771 meson.override_dependency('glib-2.0', glib)
773 # The path to glib.h is added to all compilation commands.
774 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
775 native: false, language: all_languages)
778 gdbus_codegen = not_found
779 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
780 if not get_option('gio').auto() or have_system
781 gio = dependency('gio-2.0', required: get_option('gio'),
782 method: 'pkg-config')
783 if gio.found() and not cc.links('''
787 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
789 }''', dependencies: [glib, gio])
790 if get_option('gio').enabled()
791 error('The installed libgio is broken for static linking')
796 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
797 required: get_option('gio'))
798 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
799 method: 'pkg-config')
800 gio = declare_dependency(dependencies: [gio, gio_unix],
801 version: gio.version())
804 if gdbus_codegen.found() and get_option('cfi')
805 gdbus_codegen = not_found
806 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
809 xml_pp = find_program('scripts/xml-preprocess.py')
812 if 'ust' in get_option('trace_backends')
813 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
814 method: 'pkg-config')
817 if not get_option('pixman').auto() or have_system or have_tools
818 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
819 method: 'pkg-config')
822 zlib = dependency('zlib', required: true)
825 if not get_option('linux_aio').auto() or have_block
826 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
827 required: get_option('linux_aio'))
830 linux_io_uring_test = '''
831 #include <liburing.h>
832 #include <linux/errqueue.h>
834 int main(void) { return 0; }'''
836 linux_io_uring = not_found
837 if not get_option('linux_io_uring').auto() or have_block
838 linux_io_uring = dependency('liburing', version: '>=0.3',
839 required: get_option('linux_io_uring'),
840 method: 'pkg-config')
841 if not cc.links(linux_io_uring_test)
842 linux_io_uring = not_found
847 if not get_option('libnfs').auto() or have_block
848 libnfs = dependency('libnfs', version: '>=1.9.3',
849 required: get_option('libnfs'),
850 method: 'pkg-config')
855 #include <sys/types.h>
856 #ifdef CONFIG_LIBATTR
857 #include <attr/xattr.h>
859 #include <sys/xattr.h>
861 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
864 have_old_libattr = false
865 if get_option('attr').allowed()
866 if cc.links(libattr_test)
867 libattr = declare_dependency()
869 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
870 required: get_option('attr'))
871 if libattr.found() and not \
872 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
874 if get_option('attr').enabled()
875 error('could not link libattr')
877 warning('could not link libattr, disabling')
880 have_old_libattr = libattr.found()
885 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
886 required: get_option('cocoa'))
888 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
889 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
890 'VMNET_BRIDGED_MODE',
893 if get_option('vmnet').enabled()
894 error('vmnet.framework API is outdated')
896 warning('vmnet.framework API is outdated, disabling')
901 seccomp_has_sysrawrc = false
902 if not get_option('seccomp').auto() or have_system or have_tools
903 seccomp = dependency('libseccomp', version: '>=2.3.0',
904 required: get_option('seccomp'),
905 method: 'pkg-config')
907 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
908 'SCMP_FLTATR_API_SYSRAWRC',
909 dependencies: seccomp)
913 libcap_ng = not_found
914 if not get_option('cap_ng').auto() or have_system or have_tools
915 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
916 required: get_option('cap_ng'))
918 if libcap_ng.found() and not cc.links('''
922 capng_capability_to_name(CAPNG_EFFECTIVE);
924 }''', dependencies: libcap_ng)
925 libcap_ng = not_found
926 if get_option('cap_ng').enabled()
927 error('could not link libcap-ng')
929 warning('could not link libcap-ng, disabling')
933 if get_option('xkbcommon').auto() and not have_system and not have_tools
934 xkbcommon = not_found
936 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
937 method: 'pkg-config')
941 if not get_option('slirp').auto() or have_system
942 slirp = dependency('slirp', required: get_option('slirp'),
943 method: 'pkg-config')
944 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
945 # it passes function pointers within libslirp as callbacks for timers.
946 # When using a system-wide shared libslirp, the type information for the
947 # callback is missing and the timer call produces a false positive with CFI.
948 # Do not use the "version" keyword argument to produce a better error.
949 # with control-flow integrity.
950 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
951 if get_option('slirp').enabled()
952 error('Control-Flow Integrity requires libslirp 4.7.')
954 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
961 if not get_option('vde').auto() or have_system or have_tools
962 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
963 required: get_option('vde'))
965 if vde.found() and not cc.links('''
966 #include <libvdeplug.h>
969 struct vde_open_args a = {0, 0, 0};
973 }''', dependencies: vde)
975 if get_option('cap_ng').enabled()
976 error('could not link libvdeplug')
978 warning('could not link libvdeplug, disabling')
983 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
984 pulse = dependency('libpulse', required: get_option('pa'),
985 method: 'pkg-config')
988 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
989 alsa = dependency('alsa', required: get_option('alsa'),
990 method: 'pkg-config')
993 if not get_option('jack').auto() or have_system
994 jack = dependency('jack', required: get_option('jack'),
995 method: 'pkg-config')
998 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
999 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1000 required: get_option('pipewire'),
1001 method: 'pkg-config')
1004 if not get_option('sndio').auto() or have_system
1005 sndio = dependency('sndio', required: get_option('sndio'),
1006 method: 'pkg-config')
1009 spice_protocol = not_found
1010 if not get_option('spice_protocol').auto() or have_system
1011 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1012 required: get_option('spice_protocol'),
1013 method: 'pkg-config')
1016 if get_option('spice') \
1017 .disable_auto_if(not have_system) \
1018 .require(pixman.found(),
1019 error_message: 'cannot enable SPICE if pixman is not available') \
1021 spice = dependency('spice-server', version: '>=0.14.0',
1022 required: get_option('spice'),
1023 method: 'pkg-config')
1025 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1027 rt = cc.find_library('rt', required: false)
1029 libiscsi = not_found
1030 if not get_option('libiscsi').auto() or have_block
1031 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1032 required: get_option('libiscsi'),
1033 method: 'pkg-config')
1036 if not get_option('zstd').auto() or have_block
1037 zstd = dependency('libzstd', version: '>=1.4.0',
1038 required: get_option('zstd'),
1039 method: 'pkg-config')
1043 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1044 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1045 virgl = dependency('virglrenderer',
1046 method: 'pkg-config',
1047 required: get_option('virglrenderer'))
1049 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1050 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1051 prefix: '#include <virglrenderer.h>',
1052 dependencies: virgl))
1055 rutabaga = not_found
1056 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1057 rutabaga = dependency('rutabaga_gfx_ffi',
1058 method: 'pkg-config',
1059 required: get_option('rutabaga_gfx'))
1062 if not get_option('blkio').auto() or have_block
1063 blkio = dependency('blkio',
1064 method: 'pkg-config',
1065 required: get_option('blkio'))
1068 if not get_option('curl').auto() or have_block
1069 curl = dependency('libcurl', version: '>=7.29.0',
1070 method: 'pkg-config',
1071 required: get_option('curl'))
1074 if targetos == 'linux' and (have_system or have_tools)
1075 libudev = dependency('libudev',
1076 method: 'pkg-config',
1077 required: get_option('libudev'))
1080 mpathlibs = [libudev]
1081 mpathpersist = not_found
1082 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1083 mpath_test_source = '''
1084 #include <libudev.h>
1085 #include <mpath_persist.h>
1086 unsigned mpath_mx_alloc_len = 1024;
1088 static struct config *multipath_conf;
1089 extern struct udev *udev;
1090 extern struct config *get_multipath_config(void);
1091 extern void put_multipath_config(struct config *conf);
1093 struct config *get_multipath_config(void) { return multipath_conf; }
1094 void put_multipath_config(struct config *conf) { }
1097 multipath_conf = mpath_lib_init();
1100 libmpathpersist = cc.find_library('mpathpersist',
1101 required: get_option('mpath'))
1102 if libmpathpersist.found()
1103 mpathlibs += libmpathpersist
1104 if get_option('prefer_static')
1105 mpathlibs += cc.find_library('devmapper',
1106 required: get_option('mpath'))
1108 mpathlibs += cc.find_library('multipath',
1109 required: get_option('mpath'))
1110 foreach lib: mpathlibs
1116 if mpathlibs.length() == 0
1117 msg = 'Dependencies missing for libmpathpersist'
1118 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1119 mpathpersist = declare_dependency(dependencies: mpathlibs)
1121 msg = 'Cannot detect libmpathpersist API'
1123 if not mpathpersist.found()
1124 if get_option('mpath').enabled()
1127 warning(msg + ', disabling')
1135 if have_system and get_option('curses').allowed()
1137 #if defined(__APPLE__) || defined(__OpenBSD__)
1138 #define _XOPEN_SOURCE_EXTENDED 1
1145 setlocale(LC_ALL, "");
1147 addwstr(L"wide chars\n");
1149 add_wch(WACS_DEGREE);
1153 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1154 curses = dependency(curses_dep_list,
1156 method: 'pkg-config')
1157 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1158 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1160 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1161 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1162 version: curses.version())
1164 msg = 'curses package not usable'
1168 if not curses.found()
1169 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1170 if targetos != 'windows' and not has_curses_h
1171 message('Trying with /usr/include/ncursesw')
1172 curses_compile_args += ['-I/usr/include/ncursesw']
1173 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1176 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1177 foreach curses_libname : curses_libname_list
1178 libcurses = cc.find_library(curses_libname,
1180 if libcurses.found()
1181 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1182 curses = declare_dependency(compile_args: curses_compile_args,
1183 dependencies: [libcurses])
1186 msg = 'curses library not usable'
1192 if get_option('iconv').allowed()
1193 foreach link_args : [ ['-liconv'], [] ]
1194 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1195 # We need to use libiconv if available because mixing libiconv's headers with
1196 # the system libc does not work.
1197 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1198 # included in the command line and libiconv will not be found.
1202 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1203 return conv != (iconv_t) -1;
1204 }''', args: link_args, dependencies: glib)
1205 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1210 if curses.found() and not iconv.found()
1211 if get_option('iconv').enabled()
1212 error('iconv not available')
1214 msg = 'iconv required for curses UI but not available'
1217 if not curses.found() and msg != ''
1218 if get_option('curses').enabled()
1221 warning(msg + ', disabling')
1227 if not get_option('brlapi').auto() or have_system
1228 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1229 required: get_option('brlapi'))
1230 if brlapi.found() and not cc.links('''
1233 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1235 if get_option('brlapi').enabled()
1236 error('could not link brlapi')
1238 warning('could not link brlapi, disabling')
1244 if not get_option('sdl').auto() or have_system
1245 sdl = dependency('sdl2', required: get_option('sdl'))
1246 sdl_image = not_found
1249 # Some versions of SDL have problems with -Wundef
1250 if not cc.compiles('''
1252 #include <SDL_syswm.h>
1253 int main(int argc, char *argv[]) { return 0; }
1254 ''', dependencies: sdl, args: '-Werror=undef')
1255 sdl = declare_dependency(compile_args: '-Wno-undef',
1257 version: sdl.version())
1259 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1260 method: 'pkg-config')
1262 if get_option('sdl_image').enabled()
1263 error('sdl-image required, but SDL was @0@'.format(
1264 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1266 sdl_image = not_found
1270 if not get_option('rbd').auto() or have_block
1271 librados = cc.find_library('rados', required: get_option('rbd'))
1272 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1273 required: get_option('rbd'))
1274 if librados.found() and librbd.found()
1277 #include <rbd/librbd.h>
1280 rados_create(&cluster, NULL);
1281 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1285 }''', dependencies: [librbd, librados])
1286 rbd = declare_dependency(dependencies: [librbd, librados])
1287 elif get_option('rbd').enabled()
1288 error('librbd >= 1.12.0 required')
1290 warning('librbd >= 1.12.0 not found, disabling')
1295 glusterfs = not_found
1296 glusterfs_ftruncate_has_stat = false
1297 glusterfs_iocb_has_stat = false
1298 if not get_option('glusterfs').auto() or have_block
1299 glusterfs = dependency('glusterfs-api', version: '>=3',
1300 required: get_option('glusterfs'),
1301 method: 'pkg-config')
1302 if glusterfs.found()
1303 glusterfs_ftruncate_has_stat = cc.links('''
1304 #include <glusterfs/api/glfs.h>
1309 /* new glfs_ftruncate() passes two additional args */
1310 return glfs_ftruncate(NULL, 0, NULL, NULL);
1312 ''', dependencies: glusterfs)
1313 glusterfs_iocb_has_stat = cc.links('''
1314 #include <glusterfs/api/glfs.h>
1316 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1318 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1324 glfs_io_cbk iocb = &glusterfs_iocb;
1325 iocb(NULL, 0 , NULL, NULL, NULL);
1328 ''', dependencies: glusterfs)
1333 if get_option('hv_balloon').allowed() and have_system
1336 #include <gmodule.h>
1340 tree = g_tree_new((GCompareFunc)strcmp);
1341 (void)g_tree_node_first(tree);
1342 g_tree_destroy(tree);
1345 ''', dependencies: glib)
1348 if get_option('hv_balloon').enabled()
1349 error('could not enable hv-balloon, update your glib')
1351 warning('could not find glib support for hv-balloon, disabling')
1357 if not get_option('libssh').auto() or have_block
1358 libssh = dependency('libssh', version: '>=0.8.7',
1359 method: 'pkg-config',
1360 required: get_option('libssh'))
1363 libbzip2 = not_found
1364 if not get_option('bzip2').auto() or have_block
1365 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1366 required: get_option('bzip2'))
1367 if libbzip2.found() and not cc.links('''
1369 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1370 libbzip2 = not_found
1371 if get_option('bzip2').enabled()
1372 error('could not link libbzip2')
1374 warning('could not link libbzip2, disabling')
1379 liblzfse = not_found
1380 if not get_option('lzfse').auto() or have_block
1381 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1382 required: get_option('lzfse'))
1384 if liblzfse.found() and not cc.links('''
1386 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1387 liblzfse = not_found
1388 if get_option('lzfse').enabled()
1389 error('could not link liblzfse')
1391 warning('could not link liblzfse, disabling')
1396 if get_option('oss').allowed() and have_system
1397 if not cc.has_header('sys/soundcard.h')
1399 elif targetos == 'netbsd'
1400 oss = cc.find_library('ossaudio', required: get_option('oss'))
1402 oss = declare_dependency()
1406 if get_option('oss').enabled()
1407 error('OSS not found')
1412 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1413 if cc.has_header('dsound.h')
1414 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1417 if not dsound.found()
1418 if get_option('dsound').enabled()
1419 error('DirectSound not found')
1424 coreaudio = not_found
1425 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1426 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1427 required: get_option('coreaudio'))
1431 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1432 epoxy = dependency('epoxy', method: 'pkg-config',
1433 required: get_option('opengl'))
1434 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1436 elif get_option('opengl').enabled()
1437 error('epoxy/egl.h not found')
1441 if (have_system or have_tools) and (virgl.found() or opengl.found())
1442 gbm = dependency('gbm', method: 'pkg-config', required: false)
1444 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1447 gnutls_crypto = not_found
1448 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1449 # For general TLS support our min gnutls matches
1450 # that implied by our platform support matrix
1452 # For the crypto backends, we look for a newer
1455 # Version 3.6.8 is needed to get XTS
1456 # Version 3.6.13 is needed to get PBKDF
1457 # Version 3.6.14 is needed to get HW accelerated XTS
1459 # If newer enough gnutls isn't available, we can
1460 # still use a different crypto backend to satisfy
1461 # the platform support requirements
1462 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1463 method: 'pkg-config',
1465 if gnutls_crypto.found()
1466 gnutls = gnutls_crypto
1468 # Our min version if all we need is TLS
1469 gnutls = dependency('gnutls', version: '>=3.5.18',
1470 method: 'pkg-config',
1471 required: get_option('gnutls'))
1475 # We prefer use of gnutls for crypto, unless the options
1476 # explicitly asked for nettle or gcrypt.
1478 # If gnutls isn't available for crypto, then we'll prefer
1479 # gcrypt over nettle for performance reasons.
1485 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1486 error('Only one of gcrypt & nettle can be enabled')
1489 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1490 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1491 gnutls_crypto = not_found
1494 if not gnutls_crypto.found()
1495 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1496 gcrypt = dependency('libgcrypt', version: '>=1.8',
1497 method: 'config-tool',
1498 required: get_option('gcrypt'))
1499 # Debian has removed -lgpg-error from libgcrypt-config
1500 # as it "spreads unnecessary dependencies" which in
1501 # turn breaks static builds...
1502 if gcrypt.found() and get_option('prefer_static')
1503 gcrypt = declare_dependency(dependencies:
1505 cc.find_library('gpg-error', required: true)],
1506 version: gcrypt.version())
1509 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1510 nettle = dependency('nettle', version: '>=3.4',
1511 method: 'pkg-config',
1512 required: get_option('nettle'))
1513 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1519 gmp = dependency('gmp', required: false, method: 'pkg-config')
1520 if nettle.found() and gmp.found()
1521 hogweed = dependency('hogweed', version: '>=3.4',
1522 method: 'pkg-config',
1523 required: get_option('nettle'))
1530 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1532 if get_option('gtk') \
1533 .disable_auto_if(not have_system) \
1534 .require(pixman.found(),
1535 error_message: 'cannot enable GTK if pixman is not available') \
1537 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1538 method: 'pkg-config',
1539 required: get_option('gtk'))
1541 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1542 method: 'pkg-config',
1544 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1545 version: gtk.version())
1547 if not get_option('vte').auto() or have_system
1548 vte = dependency('vte-2.91',
1549 method: 'pkg-config',
1550 required: get_option('vte'))
1552 elif have_gtk_clipboard
1553 error('GTK clipboard requested, but GTK not found')
1559 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1562 if get_option('png').allowed() and have_system
1563 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1564 method: 'pkg-config')
1569 if get_option('vnc') \
1570 .disable_auto_if(not have_system) \
1571 .require(pixman.found(),
1572 error_message: 'cannot enable VNC if pixman is not available') \
1574 vnc = declare_dependency() # dummy dependency
1575 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1576 method: 'pkg-config')
1577 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1578 required: get_option('vnc_sasl'))
1580 sasl = declare_dependency(dependencies: sasl,
1581 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1586 if not get_option('auth_pam').auto() or have_system
1587 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1588 required: get_option('auth_pam'))
1590 if pam.found() and not cc.links('''
1592 #include <security/pam_appl.h>
1594 const char *service_name = "qemu";
1595 const char *user = "frank";
1596 const struct pam_conv pam_conv = { 0 };
1597 pam_handle_t *pamh = NULL;
1598 pam_start(service_name, user, &pam_conv, &pamh);
1600 }''', dependencies: pam)
1602 if get_option('auth_pam').enabled()
1603 error('could not link libpam')
1605 warning('could not link libpam, disabling')
1610 if not get_option('snappy').auto() or have_system
1611 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1612 required: get_option('snappy'))
1614 if snappy.found() and not cc.links('''
1615 #include <snappy-c.h>
1616 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1618 if get_option('snappy').enabled()
1619 error('could not link libsnappy')
1621 warning('could not link libsnappy, disabling')
1626 if not get_option('lzo').auto() or have_system
1627 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1628 required: get_option('lzo'))
1630 if lzo.found() and not cc.links('''
1631 #include <lzo/lzo1x.h>
1632 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1634 if get_option('lzo').enabled()
1635 error('could not link liblzo2')
1637 warning('could not link liblzo2, disabling')
1642 if not get_option('numa').auto() or have_system or have_tools
1643 numa = cc.find_library('numa', has_headers: ['numa.h'],
1644 required: get_option('numa'))
1646 if numa.found() and not cc.links('''
1648 int main(void) { return numa_available(); }
1649 ''', dependencies: numa)
1651 if get_option('numa').enabled()
1652 error('could not link numa')
1654 warning('could not link numa, disabling')
1659 if not get_option('rdma').auto() or have_system
1660 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1661 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1662 required: get_option('rdma')),
1663 cc.find_library('ibverbs', required: get_option('rdma')),
1665 rdma = declare_dependency(dependencies: rdma_libs)
1666 foreach lib: rdma_libs
1674 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1675 xencontrol = dependency('xencontrol', required: false,
1676 method: 'pkg-config')
1677 if xencontrol.found()
1678 xen_pc = declare_dependency(version: xencontrol.version(),
1681 # disabler: true makes xen_pc.found() return false if any is not found
1682 dependency('xenstore', required: false,
1683 method: 'pkg-config',
1685 dependency('xenforeignmemory', required: false,
1686 method: 'pkg-config',
1688 dependency('xengnttab', required: false,
1689 method: 'pkg-config',
1691 dependency('xenevtchn', required: false,
1692 method: 'pkg-config',
1694 dependency('xendevicemodel', required: false,
1695 method: 'pkg-config',
1697 # optional, no "disabler: true"
1698 dependency('xentoolcore', required: false,
1699 method: 'pkg-config')])
1705 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1707 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1708 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1709 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1710 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1711 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1714 foreach ver: xen_tests
1715 # cache the various library tests to avoid polluting the logs
1717 foreach l: xen_libs[ver]
1718 if l not in xen_deps
1719 xen_deps += { l: cc.find_library(l, required: false) }
1721 xen_test_deps += xen_deps[l]
1724 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1725 xen_version = ver.split('.')
1726 xen_ctrl_version = xen_version[0] + \
1727 ('0' + xen_version[1]).substring(-2) + \
1728 ('0' + xen_version[2]).substring(-2)
1729 if cc.links(files('scripts/xen-detect.c'),
1730 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1731 dependencies: xen_test_deps)
1732 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1738 accelerators += 'CONFIG_XEN'
1739 elif get_option('xen').enabled()
1740 error('could not compile and link Xen test program')
1743 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1744 .require(xen.found(),
1745 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1746 .require(targetos == 'linux',
1747 error_message: 'Xen PCI passthrough not available on this platform') \
1748 .require(cpu == 'x86' or cpu == 'x86_64',
1749 error_message: 'Xen PCI passthrough not available on this platform') \
1754 if not get_option('smartcard').auto() or have_system
1755 cacard = dependency('libcacard', required: get_option('smartcard'),
1756 version: '>=2.5.1', method: 'pkg-config')
1760 u2f = dependency('u2f-emu', required: get_option('u2f'),
1761 method: 'pkg-config')
1765 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1766 method: 'pkg-config')
1768 usbredir = not_found
1769 if not get_option('usb_redir').auto() or have_system
1770 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1771 version: '>=0.6', method: 'pkg-config')
1774 if not get_option('libusb').auto() or have_system
1775 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1776 version: '>=1.0.13', method: 'pkg-config')
1780 if not get_option('libpmem').auto() or have_system
1781 libpmem = dependency('libpmem', required: get_option('libpmem'),
1782 method: 'pkg-config')
1784 libdaxctl = not_found
1785 if not get_option('libdaxctl').auto() or have_system
1786 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1787 version: '>=57', method: 'pkg-config')
1791 tasn1 = dependency('libtasn1',
1792 method: 'pkg-config')
1794 keyutils = not_found
1795 if not get_option('libkeyutils').auto() or have_block
1796 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1797 method: 'pkg-config')
1800 has_gettid = cc.has_function('gettid')
1803 selinux = dependency('libselinux',
1804 required: get_option('selinux'),
1805 method: 'pkg-config')
1810 if get_option('malloc') == 'system'
1812 get_option('malloc_trim').allowed() and \
1813 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1815 has_malloc_trim = false
1816 malloc = cc.find_library(get_option('malloc'), required: true)
1818 if not has_malloc_trim and get_option('malloc_trim').enabled()
1819 if get_option('malloc') == 'system'
1820 error('malloc_trim not available on this platform.')
1822 error('malloc_trim not available with non-libc memory allocator')
1826 gnu_source_prefix = '''
1832 # Check whether the glibc provides STATX_BASIC_STATS
1834 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1836 # Check whether statx() provides mount ID information
1838 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1840 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1841 .require(targetos == 'linux',
1842 error_message: 'vhost_user_blk_server requires linux') \
1843 .require(have_vhost_user,
1844 error_message: 'vhost_user_blk_server requires vhost-user support') \
1845 .disable_auto_if(not have_tools and not have_system) \
1848 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1849 error('Cannot enable fuse-lseek while fuse is disabled')
1852 fuse = dependency('fuse3', required: get_option('fuse'),
1853 version: '>=3.1', method: 'pkg-config')
1855 fuse_lseek = not_found
1856 if get_option('fuse_lseek').allowed()
1857 if fuse.version().version_compare('>=3.8')
1859 fuse_lseek = declare_dependency()
1860 elif get_option('fuse_lseek').enabled()
1862 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1864 error('fuse-lseek requires libfuse, which was not found')
1869 have_libvduse = (targetos == 'linux')
1870 if get_option('libvduse').enabled()
1871 if targetos != 'linux'
1872 error('libvduse requires linux')
1874 elif get_option('libvduse').disabled()
1875 have_libvduse = false
1878 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1879 if get_option('vduse_blk_export').enabled()
1880 if targetos != 'linux'
1881 error('vduse_blk_export requires linux')
1882 elif not have_libvduse
1883 error('vduse_blk_export requires libvduse support')
1885 elif get_option('vduse_blk_export').disabled()
1886 have_vduse_blk_export = false
1890 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1891 if libbpf.found() and not cc.links('''
1892 #include <bpf/libbpf.h>
1895 bpf_object__destroy_skeleton(NULL);
1897 }''', dependencies: libbpf)
1899 if get_option('bpf').enabled()
1900 error('libbpf skeleton test failed')
1902 warning('libbpf skeleton test failed, disabling')
1908 if not get_option('af_xdp').auto() or have_system
1909 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1910 version: '>=1.4.0', method: 'pkg-config')
1915 if not get_option('libdw').auto() or \
1916 (not get_option('prefer_static') and (have_system or have_user))
1917 libdw = dependency('libdw',
1918 method: 'pkg-config',
1919 required: get_option('libdw'))
1926 audio_drivers_selected = []
1928 audio_drivers_available = {
1929 'alsa': alsa.found(),
1930 'coreaudio': coreaudio.found(),
1931 'dsound': dsound.found(),
1932 'jack': jack.found(),
1934 'pa': pulse.found(),
1935 'pipewire': pipewire.found(),
1937 'sndio': sndio.found(),
1939 foreach k, v: audio_drivers_available
1940 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1943 # Default to native drivers first, OSS second, SDL third
1944 audio_drivers_priority = \
1945 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1946 (targetos == 'linux' ? [] : [ 'sdl' ])
1947 audio_drivers_default = []
1948 foreach k: audio_drivers_priority
1949 if audio_drivers_available[k]
1950 audio_drivers_default += k
1954 foreach k: get_option('audio_drv_list')
1956 audio_drivers_selected += audio_drivers_default
1957 elif not audio_drivers_available[k]
1958 error('Audio driver "@0@" not available.'.format(k))
1960 audio_drivers_selected += k
1964 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1965 '"' + '", "'.join(audio_drivers_selected) + '", ')
1967 if get_option('cfi')
1969 # Check for dependency on LTO
1970 if not get_option('b_lto')
1971 error('Selected Control-Flow Integrity but LTO is disabled')
1974 error('Selected Control-Flow Integrity is not compatible with modules')
1976 # Check for cfi flags. CFI requires LTO so we can't use
1977 # get_supported_arguments, but need a more complex "compiles" which allows
1979 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1980 args: ['-flto', '-fsanitize=cfi-icall'] )
1981 cfi_flags += '-fsanitize=cfi-icall'
1983 error('-fsanitize=cfi-icall is not supported by the compiler')
1985 if cc.compiles('int main () { return 0; }',
1986 name: '-fsanitize-cfi-icall-generalize-pointers',
1987 args: ['-flto', '-fsanitize=cfi-icall',
1988 '-fsanitize-cfi-icall-generalize-pointers'] )
1989 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1991 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1993 if get_option('cfi_debug')
1994 if cc.compiles('int main () { return 0; }',
1995 name: '-fno-sanitize-trap=cfi-icall',
1996 args: ['-flto', '-fsanitize=cfi-icall',
1997 '-fno-sanitize-trap=cfi-icall'] )
1998 cfi_flags += '-fno-sanitize-trap=cfi-icall'
2000 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
2003 add_global_arguments(cfi_flags, native: false, language: all_languages)
2004 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2007 have_host_block_device = (targetos != 'darwin' or
2008 cc.has_header('IOKit/storage/IOMedia.h'))
2010 dbus_display = get_option('dbus_display') \
2011 .require(gio.version().version_compare('>=2.64'),
2012 error_message: '-display dbus requires glib>=2.64') \
2013 .require(gdbus_codegen.found(),
2014 error_message: gdbus_codegen_error.format('-display dbus')) \
2017 have_virtfs = get_option('virtfs') \
2018 .require(targetos == 'linux' or targetos == 'darwin',
2019 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2020 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2021 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2022 .require(targetos == 'darwin' or libattr.found(),
2023 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2024 .disable_auto_if(not have_tools and not have_system) \
2027 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2028 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2029 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2030 .disable_auto_if(not have_tools) \
2031 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2034 if get_option('block_drv_ro_whitelist') == ''
2035 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2037 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2038 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2040 if get_option('block_drv_rw_whitelist') == ''
2041 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2043 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2044 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2047 foreach k : get_option('trace_backends')
2048 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2050 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2051 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2053 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2055 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2056 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2057 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2058 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2059 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2061 qemu_firmwarepath = ''
2062 foreach k : get_option('qemu_firmwarepath')
2063 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2065 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2067 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2068 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2069 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2070 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2071 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2072 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2075 config_host_data.set('CONFIG_STAMP', run_command(
2076 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2077 meson.project_version(), get_option('pkgversion'), '--',
2078 meson.current_source_dir() / 'configure',
2079 capture: true, check: true).stdout().strip())
2082 have_slirp_smbd = get_option('slirp_smbd') \
2083 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2086 smbd_path = get_option('smbd')
2088 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2090 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2093 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2095 if get_option('module_upgrades') and not enable_modules
2096 error('Cannot enable module-upgrades as modules are not enabled')
2098 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2100 config_host_data.set('CONFIG_ATTR', libattr.found())
2101 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2102 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2103 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2104 config_host_data.set('CONFIG_COCOA', cocoa.found())
2105 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2106 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2107 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2108 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2109 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2110 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2111 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2112 config_host_data.set('CONFIG_LZO', lzo.found())
2113 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2114 config_host_data.set('CONFIG_BLKIO', blkio.found())
2116 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2117 blkio.version().version_compare('>=1.3.0'))
2119 config_host_data.set('CONFIG_CURL', curl.found())
2120 config_host_data.set('CONFIG_CURSES', curses.found())
2121 config_host_data.set('CONFIG_GBM', gbm.found())
2122 config_host_data.set('CONFIG_GIO', gio.found())
2123 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2124 if glusterfs.found()
2125 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2126 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2127 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2128 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2129 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2130 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2132 config_host_data.set('CONFIG_GTK', gtk.found())
2133 config_host_data.set('CONFIG_VTE', vte.found())
2134 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2135 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2136 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2137 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2138 config_host_data.set('CONFIG_EBPF', libbpf.found())
2139 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2140 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2141 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2142 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2143 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2144 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2145 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2146 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2147 config_host_data.set('CONFIG_MODULES', enable_modules)
2148 config_host_data.set('CONFIG_NUMA', numa.found())
2150 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2151 cc.has_function('numa_has_preferred_many',
2152 dependencies: numa))
2154 config_host_data.set('CONFIG_OPENGL', opengl.found())
2155 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2156 config_host_data.set('CONFIG_RBD', rbd.found())
2157 config_host_data.set('CONFIG_RDMA', rdma.found())
2158 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2159 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2160 config_host_data.set('CONFIG_SDL', sdl.found())
2161 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2162 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2164 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2166 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2167 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2168 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2169 if get_option('tcg').allowed()
2170 config_host_data.set('CONFIG_TCG', 1)
2171 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2173 config_host_data.set('CONFIG_TPM', have_tpm)
2174 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2175 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2176 config_host_data.set('CONFIG_VDE', vde.found())
2177 config_host_data.set('CONFIG_VHOST', have_vhost)
2178 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2179 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2180 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2181 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2182 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2183 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2184 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2185 config_host_data.set('CONFIG_VMNET', vmnet.found())
2186 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2187 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2188 config_host_data.set('CONFIG_PNG', png.found())
2189 config_host_data.set('CONFIG_VNC', vnc.found())
2190 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2191 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2192 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2193 config_host_data.set('CONFIG_VTE', vte.found())
2194 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2195 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2196 config_host_data.set('CONFIG_GETTID', has_gettid)
2197 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2198 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2199 config_host_data.set('CONFIG_TASN1', tasn1.found())
2200 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2201 config_host_data.set('CONFIG_NETTLE', nettle.found())
2202 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2203 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2204 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2205 config_host_data.set('CONFIG_STATX', has_statx)
2206 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2207 config_host_data.set('CONFIG_ZSTD', zstd.found())
2208 config_host_data.set('CONFIG_FUSE', fuse.found())
2209 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2210 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2211 if spice_protocol.found()
2212 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2213 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2214 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2216 config_host_data.set('CONFIG_SPICE', spice.found())
2217 config_host_data.set('CONFIG_X11', x11.found())
2218 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2219 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2220 config_host_data.set('CONFIG_SELINUX', selinux.found())
2221 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2222 config_host_data.set('CONFIG_LIBDW', libdw.found())
2224 # protect from xen.version() having less than three components
2225 xen_version = xen.version().split('.') + ['0', '0']
2226 xen_ctrl_version = xen_version[0] + \
2227 ('0' + xen_version[1]).substring(-2) + \
2228 ('0' + xen_version[2]).substring(-2)
2229 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2231 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2232 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2233 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2234 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2236 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2237 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2239 have_coroutine_pool = get_option('coroutine_pool')
2240 if get_option('debug_stack_usage') and have_coroutine_pool
2241 message('Disabling coroutine pool to measure stack usage')
2242 have_coroutine_pool = false
2244 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2245 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2246 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2247 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2248 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2249 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2250 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2251 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2254 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2255 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2256 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2257 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2258 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2259 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2260 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2261 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2262 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2263 if targetos == 'windows'
2264 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2268 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2269 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2270 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2271 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2272 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2273 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2274 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2275 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2276 # Note that we need to specify prefix: here to avoid incorrectly
2277 # thinking that Windows has posix_memalign()
2278 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2279 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2280 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2281 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2282 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2283 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2284 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2285 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2286 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2287 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2288 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2289 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2290 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2291 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2292 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2293 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2294 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2295 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2297 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2298 cc.has_function('rbd_namespace_exists',
2300 prefix: '#include <rbd/librbd.h>'))
2303 config_host_data.set('HAVE_IBV_ADVISE_MR',
2304 cc.has_function('ibv_advise_mr',
2306 prefix: '#include <infiniband/verbs.h>'))
2309 have_asan_fiber = false
2310 if get_option('sanitizers') and \
2311 not cc.has_function('__sanitizer_start_switch_fiber',
2312 args: '-fsanitize=address',
2313 prefix: '#include <sanitizer/asan_interface.h>')
2314 warning('Missing ASAN due to missing fiber annotation interface')
2315 warning('Without code annotation, the report may be inferior.')
2317 have_asan_fiber = true
2319 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2322 config_host_data.set('CONFIG_BLKZONED',
2323 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2324 config_host_data.set('CONFIG_EPOLL_CREATE1',
2325 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2326 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2327 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2328 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2329 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2330 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2331 config_host_data.set('CONFIG_FIEMAP',
2332 cc.has_header('linux/fiemap.h') and
2333 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2334 config_host_data.set('CONFIG_GETRANDOM',
2335 cc.has_function('getrandom') and
2336 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2337 config_host_data.set('CONFIG_INOTIFY',
2338 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2339 config_host_data.set('CONFIG_INOTIFY1',
2340 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2341 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2342 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2343 config_host_data.set('CONFIG_RTNETLINK',
2344 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2345 config_host_data.set('CONFIG_SYSMACROS',
2346 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2347 config_host_data.set('HAVE_OPTRESET',
2348 cc.has_header_symbol('getopt.h', 'optreset'))
2349 config_host_data.set('HAVE_IPPROTO_MPTCP',
2350 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2353 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2354 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2355 prefix: '#include <signal.h>'))
2356 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2357 cc.has_member('struct stat', 'st_atim',
2358 prefix: '#include <sys/stat.h>'))
2359 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2360 cc.has_member('struct blk_zone', 'capacity',
2361 prefix: '#include <linux/blkzoned.h>'))
2364 config_host_data.set('CONFIG_IOVEC',
2365 cc.has_type('struct iovec',
2366 prefix: '#include <sys/uio.h>'))
2367 config_host_data.set('HAVE_UTMPX',
2368 cc.has_type('struct utmpx',
2369 prefix: '#include <utmpx.h>'))
2371 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2372 #include <sys/eventfd.h>
2373 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2374 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2377 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2378 return fdatasync(0);
2380 #error Not supported
2384 has_madvise = cc.links(gnu_source_prefix + '''
2385 #include <sys/types.h>
2386 #include <sys/mman.h>
2388 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2389 missing_madvise_proto = false
2391 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2392 # but forget to prototype it. In this case, has_madvise will be true (the
2393 # test program links despite a compile warning). To detect the
2394 # missing-prototype case, we try again with a definitely-bogus prototype.
2395 # This will only compile if the system headers don't provide the prototype;
2396 # otherwise the conflicting prototypes will cause a compiler error.
2397 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2398 #include <sys/types.h>
2399 #include <sys/mman.h>
2401 extern int madvise(int);
2402 int main(void) { return madvise(0); }''')
2404 config_host_data.set('CONFIG_MADVISE', has_madvise)
2405 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2407 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2408 #include <sys/mman.h>
2409 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2410 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2412 #if !defined(AT_EMPTY_PATH)
2413 # error missing definition
2415 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2417 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2418 #include <sys/mman.h>
2420 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2422 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2423 #include <pthread.h>
2425 static void *f(void *p) { return NULL; }
2429 pthread_create(&thread, 0, f, 0);
2430 pthread_setname_np(thread, "QEMU");
2432 }''', dependencies: threads))
2433 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2434 #include <pthread.h>
2436 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2440 pthread_create(&thread, 0, f, 0);
2442 }''', dependencies: threads))
2443 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2444 #include <pthread.h>
2445 #include <pthread_np.h>
2447 static void *f(void *p) { return NULL; }
2451 pthread_create(&thread, 0, f, 0);
2452 pthread_set_name_np(thread, "QEMU");
2454 }''', dependencies: threads))
2455 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2456 #include <pthread.h>
2461 pthread_condattr_t attr
2462 pthread_condattr_init(&attr);
2463 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2465 }''', dependencies: threads))
2466 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2467 #include <pthread.h>
2469 static void *f(void *p) { return NULL; }
2472 int setsize = CPU_ALLOC_SIZE(64);
2475 pthread_create(&thread, 0, f, 0);
2476 cpuset = CPU_ALLOC(64);
2477 CPU_ZERO_S(setsize, cpuset);
2478 pthread_setaffinity_np(thread, setsize, cpuset);
2479 pthread_getaffinity_np(thread, setsize, cpuset);
2482 }''', dependencies: threads))
2483 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2484 #include <sys/signalfd.h>
2486 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2487 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2495 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2496 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2500 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2501 #include <sys/mman.h>
2503 return mlockall(MCL_FUTURE);
2507 if get_option('l2tpv3').allowed() and have_system
2508 have_l2tpv3 = cc.has_type('struct mmsghdr',
2509 prefix: gnu_source_prefix + '''
2510 #include <sys/socket.h>
2511 #include <linux/ip.h>''')
2513 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2516 if get_option('netmap').allowed() and have_system
2517 have_netmap = cc.compiles('''
2518 #include <inttypes.h>
2520 #include <net/netmap.h>
2521 #include <net/netmap_user.h>
2522 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2525 int main(void) { return 0; }''')
2526 if not have_netmap and get_option('netmap').enabled()
2527 error('Netmap headers not available')
2530 config_host_data.set('CONFIG_NETMAP', have_netmap)
2532 # Work around a system header bug with some kernel/XFS header
2533 # versions where they both try to define 'struct fsxattr':
2534 # xfs headers will not try to redefine structs from linux headers
2535 # if this macro is set.
2536 config_host_data.set('HAVE_FSXATTR', cc.links('''
2537 #include <linux/fs.h>
2543 # Some versions of Mac OS X incorrectly define SIZE_MAX
2544 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2548 return printf("%zu", SIZE_MAX);
2549 }''', args: ['-Werror']))
2551 # See if 64-bit atomic operations are supported.
2552 # Note that without __atomic builtins, we can only
2553 # assume atomic loads/stores max at pointer size.
2554 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2558 uint64_t x = 0, y = 0;
2559 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2560 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2561 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2562 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2563 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2567 has_int128_type = cc.compiles('''
2570 int main(void) { b = a; }''')
2571 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2573 has_int128 = has_int128_type and cc.links('''
2582 config_host_data.set('CONFIG_INT128', has_int128)
2585 # "do we have 128-bit atomics which are handled inline and specifically not
2586 # via libatomic". The reason we can't use libatomic is documented in the
2587 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2588 # We only care about these operations on 16-byte aligned pointers, so
2589 # force 16-byte alignment of the pointer, which may be greater than
2590 # __alignof(unsigned __int128) for the host.
2591 atomic_test_128 = '''
2592 int main(int ac, char **av) {
2593 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2594 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2595 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2596 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2599 has_atomic128 = cc.links(atomic_test_128)
2601 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2603 if not has_atomic128
2604 # Even with __builtin_assume_aligned, the above test may have failed
2605 # without optimization enabled. Try again with optimizations locally
2606 # enabled for the function. See
2607 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2608 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2609 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2611 if not has_atomic128_opt
2612 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2615 __uint128_t x = 0, y = 0;
2616 __sync_val_compare_and_swap_16(&x, y, x);
2624 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2625 #include <sys/auxv.h>
2627 return getauxval(AT_HWCAP) == 0;
2630 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2631 #include <linux/usbdevice_fs.h>
2633 #ifndef USBDEVFS_GET_CAPABILITIES
2634 #error "USBDEVFS_GET_CAPABILITIES undefined"
2637 #ifndef USBDEVFS_DISCONNECT_CLAIM
2638 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2641 int main(void) { return 0; }'''))
2643 have_keyring = get_option('keyring') \
2644 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2645 .require(cc.compiles('''
2647 #include <asm/unistd.h>
2648 #include <linux/keyctl.h>
2649 #include <sys/syscall.h>
2652 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2653 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2654 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2656 have_cpuid_h = cc.links('''
2659 unsigned a, b, c, d;
2660 unsigned max = __get_cpuid_max(0, 0);
2663 __cpuid(1, a, b, c, d);
2667 __cpuid_count(7, 0, a, b, c, d);
2672 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2674 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2675 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2676 .require(cc.links('''
2678 #include <immintrin.h>
2679 static int __attribute__((target("avx2"))) bar(void *a) {
2680 __m256i x = *(__m256i *)a;
2681 return _mm256_testz_si256(x, x);
2683 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2684 '''), error_message: 'AVX2 not available').allowed())
2686 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2687 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2688 .require(cc.links('''
2690 #include <immintrin.h>
2691 static int __attribute__((target("avx512f"))) bar(void *a) {
2692 __m512i x = *(__m512i *)a;
2693 return _mm512_test_epi64_mask(x, x);
2695 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2696 '''), error_message: 'AVX512F not available').allowed())
2698 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2699 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2700 .require(cc.links('''
2702 #include <immintrin.h>
2703 static int __attribute__((target("avx512bw"))) bar(void *a) {
2705 __m512i res= _mm512_abs_epi8(*x);
2708 int main(int argc, char *argv[]) { return bar(argv[0]); }
2709 '''), error_message: 'AVX512BW not available').allowed())
2711 # For both AArch64 and AArch32, detect if builtins are available.
2712 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2713 #include <arm_neon.h>
2714 #ifndef __ARM_FEATURE_AES
2715 __attribute__((target("+crypto")))
2717 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2720 have_pvrdma = get_option('pvrdma') \
2721 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2722 .require(cc.compiles(gnu_source_prefix + '''
2723 #include <sys/mman.h>
2728 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2731 }'''), error_message: 'PVRDMA requires mremap').allowed()
2734 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2735 #include <infiniband/verbs.h>
2739 struct ibv_pd *pd = NULL;
2745 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2751 if get_option('membarrier').disabled()
2752 have_membarrier = false
2753 elif targetos == 'windows'
2754 have_membarrier = true
2755 elif targetos == 'linux'
2756 have_membarrier = cc.compiles('''
2757 #include <linux/membarrier.h>
2758 #include <sys/syscall.h>
2762 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2763 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2767 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2768 .require(have_membarrier, error_message: 'membarrier system call not available') \
2771 have_afalg = get_option('crypto_afalg') \
2772 .require(cc.compiles(gnu_source_prefix + '''
2774 #include <sys/types.h>
2775 #include <sys/socket.h>
2776 #include <linux/if_alg.h>
2779 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2782 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2783 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2785 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2786 'linux/vm_sockets.h', 'AF_VSOCK',
2787 prefix: '#include <sys/socket.h>',
2791 have_vss_sdk = false # old xp/2003 SDK
2792 if targetos == 'windows' and 'cpp' in all_languages
2793 have_vss = cxx.compiles('''
2794 #define __MIDL_user_allocate_free_DEFINED__
2796 int main(void) { return VSS_CTX_BACKUP; }''')
2797 have_vss_sdk = cxx.has_header('vscoordint.h')
2799 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2801 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2802 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2803 if targetos == 'windows'
2804 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2810 }''', name: '_lock_file and _unlock_file'))
2813 if targetos == 'windows'
2814 mingw_has_setjmp_longjmp = cc.links('''
2818 * These functions are not available in setjmp header, but may be
2819 * available at link time, from libmingwex.a.
2821 extern int __mingw_setjmp(jmp_buf);
2822 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2824 __mingw_setjmp(env);
2825 __mingw_longjmp(env, 0);
2827 ''', name: 'mingw setjmp and longjmp')
2829 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2830 error('mingw must provide setjmp/longjmp for windows-arm64')
2834 ########################
2835 # Target configuration #
2836 ########################
2838 minikconf = find_program('scripts/minikconf.py')
2840 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2842 if targetos == 'darwin'
2843 config_targetos += {'CONFIG_DARWIN': 'y'}
2844 elif targetos == 'linux'
2845 config_targetos += {'CONFIG_LINUX': 'y'}
2847 if targetos in bsd_oses
2848 config_targetos += {'CONFIG_BSD': 'y'}
2852 config_all_devices = {}
2853 config_all_disas = {}
2854 config_devices_mak_list = []
2855 config_devices_h = {}
2856 config_target_h = {}
2857 config_target_mak = {}
2860 'alpha' : ['CONFIG_ALPHA_DIS'],
2861 'avr' : ['CONFIG_AVR_DIS'],
2862 'cris' : ['CONFIG_CRIS_DIS'],
2863 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2864 'hppa' : ['CONFIG_HPPA_DIS'],
2865 'i386' : ['CONFIG_I386_DIS'],
2866 'x86_64' : ['CONFIG_I386_DIS'],
2867 'm68k' : ['CONFIG_M68K_DIS'],
2868 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2869 'mips' : ['CONFIG_MIPS_DIS'],
2870 'nios2' : ['CONFIG_NIOS2_DIS'],
2871 'or1k' : ['CONFIG_OPENRISC_DIS'],
2872 'ppc' : ['CONFIG_PPC_DIS'],
2873 'riscv' : ['CONFIG_RISCV_DIS'],
2874 'rx' : ['CONFIG_RX_DIS'],
2875 's390' : ['CONFIG_S390_DIS'],
2876 'sh4' : ['CONFIG_SH4_DIS'],
2877 'sparc' : ['CONFIG_SPARC_DIS'],
2878 'xtensa' : ['CONFIG_XTENSA_DIS'],
2879 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2882 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2884 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2885 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2886 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2887 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2888 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2889 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2890 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2891 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2892 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2893 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2894 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2895 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2896 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2897 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2898 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2899 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2901 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2903 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2904 actual_target_dirs = []
2906 foreach target : target_dirs
2907 config_target = { 'TARGET_NAME': target.split('-')[0] }
2908 if target.endswith('linux-user')
2909 if targetos != 'linux'
2913 error('Target @0@ is only available on a Linux host'.format(target))
2915 config_target += { 'CONFIG_LINUX_USER': 'y' }
2916 elif target.endswith('bsd-user')
2917 if targetos not in bsd_oses
2921 error('Target @0@ is only available on a BSD host'.format(target))
2923 config_target += { 'CONFIG_BSD_USER': 'y' }
2924 elif target.endswith('softmmu')
2925 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2926 config_target += { 'CONFIG_SOFTMMU': 'y' }
2928 if target.endswith('-user')
2930 'CONFIG_USER_ONLY': 'y',
2931 'CONFIG_QEMU_INTERP_PREFIX':
2932 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2937 foreach sym: accelerators
2938 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2939 config_target += { sym: 'y' }
2940 config_all += { sym: 'y' }
2941 if target in modular_tcg
2942 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2944 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2946 accel_kconfig += [ sym + '=y' ]
2949 if accel_kconfig.length() == 0
2953 error('No accelerator available for target @0@'.format(target))
2956 actual_target_dirs += target
2957 config_target += keyval.load('configs/targets' / target + '.mak')
2958 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2960 if 'TARGET_NEED_FDT' in config_target
2961 fdt_required += target
2965 if 'TARGET_BASE_ARCH' not in config_target
2966 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2968 if 'TARGET_ABI_DIR' not in config_target
2969 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2971 if 'TARGET_BIG_ENDIAN' not in config_target
2972 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2975 foreach k, v: disassemblers
2976 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2978 config_target += { sym: 'y' }
2979 config_all_disas += { sym: 'y' }
2984 config_target_data = configuration_data()
2985 foreach k, v: config_target
2986 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2988 elif ignored.contains(k)
2990 elif k == 'TARGET_BASE_ARCH'
2991 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2992 # not used to select files from sourcesets.
2993 config_target_data.set('TARGET_' + v.to_upper(), 1)
2994 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2995 config_target_data.set_quoted(k, v)
2997 config_target_data.set(k, 1)
2999 config_target_data.set(k, 0)
3001 config_target_data.set(k, v)
3004 config_target_data.set('QEMU_ARCH',
3005 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3006 config_target_h += {target: configure_file(output: target + '-config-target.h',
3007 configuration: config_target_data)}
3009 if target.endswith('-softmmu')
3010 config_input = meson.get_external_property(target, 'default')
3011 config_devices_mak = target + '-config-devices.mak'
3012 config_devices_mak = configure_file(
3013 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3014 output: config_devices_mak,
3015 depfile: config_devices_mak + '.d',
3017 command: [minikconf,
3018 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3019 config_devices_mak, '@DEPFILE@', '@INPUT@',
3020 host_kconfig, accel_kconfig,
3021 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3023 config_devices_data = configuration_data()
3024 config_devices = keyval.load(config_devices_mak)
3025 foreach k, v: config_devices
3026 config_devices_data.set(k, 1)
3028 config_devices_mak_list += config_devices_mak
3029 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3030 configuration: config_devices_data)}
3031 config_target += config_devices
3032 config_all_devices += config_devices
3034 config_target_mak += {target: config_target}
3036 target_dirs = actual_target_dirs
3038 # This configuration is used to build files that are shared by
3039 # multiple binaries, and then extracted out of the "common"
3040 # static_library target.
3042 # We do not use all_sources()/all_dependencies(), because it would
3043 # build literally all source files, including devices only used by
3044 # targets that are not built for this compilation. The CONFIG_ALL
3045 # pseudo symbol replaces it.
3047 config_all += config_all_devices
3048 config_all += config_targetos
3049 config_all += config_all_disas
3051 'CONFIG_XEN': xen.found(),
3052 'CONFIG_SYSTEM_ONLY': have_system,
3053 'CONFIG_USER_ONLY': have_user,
3057 target_configs_h = []
3058 foreach target: target_dirs
3059 target_configs_h += config_target_h[target]
3060 target_configs_h += config_devices_h.get(target, [])
3062 genh += custom_target('config-poison.h',
3063 input: [target_configs_h],
3064 output: 'config-poison.h',
3066 command: [find_program('scripts/make-config-poison.sh'),
3073 capstone = not_found
3074 if not get_option('capstone').auto() or have_system or have_user
3075 capstone = dependency('capstone', version: '>=3.0.5',
3076 method: 'pkg-config',
3077 required: get_option('capstone'))
3079 # Some versions of capstone have broken pkg-config file
3080 # that reports a wrong -I path, causing the #include to
3081 # fail later. If the system has such a broken version
3083 if capstone.found() and not cc.compiles('#include <capstone.h>',
3084 dependencies: [capstone])
3085 capstone = not_found
3086 if get_option('capstone').enabled()
3087 error('capstone requested, but it does not appear to work')
3092 libvfio_user_dep = not_found
3093 if have_system and vfio_user_server_allowed
3094 libvfio_user_proj = subproject('libvfio-user', required: true)
3095 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3099 fdt_opt = get_option('fdt')
3100 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3101 if fdt_opt == 'disabled'
3102 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3105 if fdt_opt in ['enabled', 'auto', 'system']
3106 if get_option('wrap_mode') == 'nodownload'
3109 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3110 if fdt.found() and cc.links('''
3112 #include <libfdt_env.h>
3113 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3116 elif fdt_opt == 'system'
3117 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3119 fdt_opt = 'internal'
3124 assert(fdt_opt == 'internal')
3125 libfdt_proj = subproject('dtc', required: true,
3126 default_options: ['tools=false', 'yaml=disabled',
3127 'python=disabled', 'default_library=static'])
3128 fdt = libfdt_proj.get_variable('libfdt_dep')
3131 fdt_opt = 'disabled'
3134 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3135 config_host_data.set('CONFIG_FDT', fdt.found())
3136 config_host_data.set('CONFIG_SLIRP', slirp.found())
3138 #####################
3139 # Generated sources #
3140 #####################
3142 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3144 hxtool = find_program('scripts/hxtool')
3145 shaderinclude = find_program('scripts/shaderinclude.py')
3146 qapi_gen = find_program('scripts/qapi-gen.py')
3147 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3148 meson.current_source_dir() / 'scripts/qapi/commands.py',
3149 meson.current_source_dir() / 'scripts/qapi/common.py',
3150 meson.current_source_dir() / 'scripts/qapi/error.py',
3151 meson.current_source_dir() / 'scripts/qapi/events.py',
3152 meson.current_source_dir() / 'scripts/qapi/expr.py',
3153 meson.current_source_dir() / 'scripts/qapi/gen.py',
3154 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3155 meson.current_source_dir() / 'scripts/qapi/main.py',
3156 meson.current_source_dir() / 'scripts/qapi/parser.py',
3157 meson.current_source_dir() / 'scripts/qapi/schema.py',
3158 meson.current_source_dir() / 'scripts/qapi/source.py',
3159 meson.current_source_dir() / 'scripts/qapi/types.py',
3160 meson.current_source_dir() / 'scripts/qapi/visit.py',
3161 meson.current_source_dir() / 'scripts/qapi-gen.py'
3165 python, files('scripts/tracetool.py'),
3166 '--backend=' + ','.join(get_option('trace_backends'))
3168 tracetool_depends = files(
3169 'scripts/tracetool/backend/log.py',
3170 'scripts/tracetool/backend/__init__.py',
3171 'scripts/tracetool/backend/dtrace.py',
3172 'scripts/tracetool/backend/ftrace.py',
3173 'scripts/tracetool/backend/simple.py',
3174 'scripts/tracetool/backend/syslog.py',
3175 'scripts/tracetool/backend/ust.py',
3176 'scripts/tracetool/format/ust_events_c.py',
3177 'scripts/tracetool/format/ust_events_h.py',
3178 'scripts/tracetool/format/__init__.py',
3179 'scripts/tracetool/format/d.py',
3180 'scripts/tracetool/format/simpletrace_stap.py',
3181 'scripts/tracetool/format/c.py',
3182 'scripts/tracetool/format/h.py',
3183 'scripts/tracetool/format/log_stap.py',
3184 'scripts/tracetool/format/stap.py',
3185 'scripts/tracetool/__init__.py',
3186 'scripts/tracetool/vcpu.py'
3189 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3190 meson.current_source_dir(),
3191 get_option('pkgversion'), meson.project_version()]
3192 qemu_version = custom_target('qemu-version.h',
3193 output: 'qemu-version.h',
3194 command: qemu_version_cmd,
3196 build_by_default: true,
3197 build_always_stale: true)
3198 genh += qemu_version
3202 ['qemu-options.hx', 'qemu-options.def'],
3203 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3207 ['hmp-commands.hx', 'hmp-commands.h'],
3208 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3211 foreach d : hx_headers
3212 hxdep += custom_target(d[1],
3216 command: [hxtool, '-h', '@INPUT0@'])
3224 authz_ss = ss.source_set()
3225 blockdev_ss = ss.source_set()
3226 block_ss = ss.source_set()
3227 chardev_ss = ss.source_set()
3228 common_ss = ss.source_set()
3229 crypto_ss = ss.source_set()
3230 hwcore_ss = ss.source_set()
3231 io_ss = ss.source_set()
3232 qmp_ss = ss.source_set()
3233 qom_ss = ss.source_set()
3234 system_ss = ss.source_set()
3235 specific_fuzz_ss = ss.source_set()
3236 specific_ss = ss.source_set()
3237 stub_ss = ss.source_set()
3238 trace_ss = ss.source_set()
3239 user_ss = ss.source_set()
3240 util_ss = ss.source_set()
3243 qtest_module_ss = ss.source_set()
3244 tcg_module_ss = ss.source_set()
3250 target_system_arch = {}
3251 target_user_arch = {}
3257 # TODO: add each directory to the subdirs from its own meson.build, once
3259 trace_events_subdirs = [
3268 trace_events_subdirs += [ 'linux-user' ]
3271 trace_events_subdirs += [ 'bsd-user' ]
3274 trace_events_subdirs += [
3283 trace_events_subdirs += [
3297 'hw/block/dataplane',
3348 if have_system or have_user
3349 trace_events_subdirs += [
3367 vhost_user = not_found
3368 if targetos == 'linux' and have_vhost_user
3369 libvhost_user = subproject('libvhost-user')
3370 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3373 libvduse = not_found
3375 libvduse_proj = subproject('libvduse')
3376 libvduse = libvduse_proj.get_variable('libvduse_dep')
3379 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3380 # that is filled in by qapi/.
3394 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3395 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3398 qom_ss = qom_ss.apply(config_targetos, strict: false)
3399 libqom = static_library('qom', qom_ss.sources() + genh,
3400 dependencies: [qom_ss.dependencies()],
3402 build_by_default: false)
3403 qom = declare_dependency(link_whole: libqom)
3405 event_loop_base = files('event-loop-base.c')
3406 event_loop_base = static_library('event-loop-base',
3407 sources: event_loop_base + genh,
3409 build_by_default: false)
3410 event_loop_base = declare_dependency(link_whole: event_loop_base,
3411 dependencies: [qom])
3413 stub_ss = stub_ss.apply(config_all, strict: false)
3415 util_ss.add_all(trace_ss)
3416 util_ss = util_ss.apply(config_all, strict: false)
3417 libqemuutil = static_library('qemuutil',
3418 build_by_default: false,
3419 sources: util_ss.sources() + stub_ss.sources() + genh,
3420 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3421 qemuutil = declare_dependency(link_with: libqemuutil,
3422 sources: genh + version_res,
3423 dependencies: [event_loop_base])
3425 if have_system or have_user
3426 decodetree = generator(find_program('scripts/decodetree.py'),
3427 output: 'decode-@BASENAME@.c.inc',
3428 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3429 subdir('libdecnumber')
3446 if config_host_data.get('CONFIG_REPLICATION')
3447 block_ss.add(files('replication.c'))
3454 blockdev_ss.add(files(
3461 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3462 # os-win32.c does not
3463 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3464 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3467 common_ss.add(files('cpu-common.c'))
3468 specific_ss.add(files('cpu-target.c'))
3472 # Work around a gcc bug/misfeature wherein constant propagation looks
3474 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3475 # to guess that a const variable is always zero. Without lto, this is
3476 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3477 # without lto, not even the alias is required -- we simply use different
3478 # declarations in different compilation units.
3479 pagevary = files('page-vary-common.c')
3480 if get_option('b_lto')
3481 pagevary_flags = ['-fno-lto']
3482 if get_option('cfi')
3483 pagevary_flags += '-fno-sanitize=cfi-icall'
3485 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3486 c_args: pagevary_flags)
3487 pagevary = declare_dependency(link_with: pagevary)
3489 common_ss.add(pagevary)
3490 specific_ss.add(files('page-vary-target.c'))
3498 subdir('semihosting')
3506 common_user_inc = []
3508 subdir('common-user')
3510 subdir('linux-user')
3512 # needed for fuzzing binaries
3513 subdir('tests/qtest/libqos')
3514 subdir('tests/qtest/fuzz')
3517 tcg_real_module_ss = ss.source_set()
3518 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3519 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3520 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3521 'tcg': tcg_real_module_ss }}
3523 ########################
3524 # Library dependencies #
3525 ########################
3527 modinfo_collect = find_program('scripts/modinfo-collect.py')
3528 modinfo_generate = find_program('scripts/modinfo-generate.py')
3533 foreach d, list : modules
3534 if not (d == 'block' ? have_block : have_system)
3538 foreach m, module_ss : list
3540 module_ss = module_ss.apply(config_all, strict: false)
3541 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3542 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3548 if module_ss.sources() != []
3549 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3550 # input. Sources can be used multiple times but objects are
3551 # unique when it comes to lookup in compile_commands.json.
3552 # Depnds on a mesion version with
3553 # https://github.com/mesonbuild/meson/pull/8900
3554 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3555 output: d + '-' + m + '.modinfo',
3556 input: module_ss.sources() + genh,
3558 command: [modinfo_collect, module_ss.sources()])
3562 block_ss.add_all(module_ss)
3564 system_ss.add_all(module_ss)
3570 foreach d, list : target_modules
3571 foreach m, module_ss : list
3573 foreach target : target_dirs
3574 if target.endswith('-softmmu')
3575 config_target = config_target_mak[target]
3576 config_target += config_targetos
3577 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3578 c_args = ['-DNEED_CPU_H',
3579 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3580 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3581 target_module_ss = module_ss.apply(config_target, strict: false)
3582 if target_module_ss.sources() != []
3583 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3584 sl = static_library(module_name,
3585 [genh, target_module_ss.sources()],
3586 dependencies: [modulecommon, target_module_ss.dependencies()],
3587 include_directories: target_inc,
3591 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3592 modinfo_files += custom_target(module_name + '.modinfo',
3593 output: module_name + '.modinfo',
3594 input: target_module_ss.sources() + genh,
3596 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3601 specific_ss.add_all(module_ss)
3607 foreach target : target_dirs
3608 if target.endswith('-softmmu')
3609 config_target = config_target_mak[target]
3610 config_devices_mak = target + '-config-devices.mak'
3611 modinfo_src = custom_target('modinfo-' + target + '.c',
3612 output: 'modinfo-' + target + '.c',
3613 input: modinfo_files,
3614 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3617 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3618 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3620 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3621 hw_arch[arch].add(modinfo_dep)
3626 nm = find_program('nm')
3627 undefsym = find_program('scripts/undefsym.py')
3628 block_syms = custom_target('block.syms', output: 'block.syms',
3629 input: [libqemuutil, block_mods],
3631 command: [undefsym, nm, '@INPUT@'])
3632 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3633 input: [libqemuutil, system_mods],
3635 command: [undefsym, nm, '@INPUT@'])
3637 authz_ss = authz_ss.apply(config_targetos, strict: false)
3638 libauthz = static_library('authz', authz_ss.sources() + genh,
3639 dependencies: [authz_ss.dependencies()],
3641 build_by_default: false)
3643 authz = declare_dependency(link_whole: libauthz,
3646 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3647 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3648 dependencies: [crypto_ss.dependencies()],
3650 build_by_default: false)
3652 crypto = declare_dependency(link_whole: libcrypto,
3653 dependencies: [authz, qom])
3655 io_ss = io_ss.apply(config_targetos, strict: false)
3656 libio = static_library('io', io_ss.sources() + genh,
3657 dependencies: [io_ss.dependencies()],
3658 link_with: libqemuutil,
3660 build_by_default: false)
3662 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3664 libmigration = static_library('migration', sources: migration_files + genh,
3666 build_by_default: false)
3667 migration = declare_dependency(link_with: libmigration,
3668 dependencies: [zlib, qom, io])
3669 system_ss.add(migration)
3671 block_ss = block_ss.apply(config_targetos, strict: false)
3672 libblock = static_library('block', block_ss.sources() + genh,
3673 dependencies: block_ss.dependencies(),
3674 link_depends: block_syms,
3676 build_by_default: false)
3678 block = declare_dependency(link_whole: [libblock],
3679 link_args: '@block.syms',
3680 dependencies: [crypto, io])
3682 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3683 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3684 dependencies: blockdev_ss.dependencies(),
3686 build_by_default: false)
3688 blockdev = declare_dependency(link_whole: [libblockdev],
3689 dependencies: [block, event_loop_base])
3691 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3692 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3693 dependencies: qmp_ss.dependencies(),
3695 build_by_default: false)
3697 qmp = declare_dependency(link_whole: [libqmp])
3699 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3701 dependencies: chardev_ss.dependencies(),
3702 build_by_default: false)
3704 chardev = declare_dependency(link_whole: libchardev)
3706 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3707 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3709 build_by_default: false)
3710 hwcore = declare_dependency(link_whole: libhwcore)
3711 common_ss.add(hwcore)
3717 emulator_modules = []
3718 foreach m : block_mods + system_mods
3719 emulator_modules += shared_module(m.name(),
3720 build_by_default: true,
3724 install_dir: qemu_moddir)
3726 if emulator_modules.length() > 0
3727 alias_target('modules', emulator_modules)
3730 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3731 common_ss.add(qom, qemuutil)
3733 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3734 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3736 common_all = common_ss.apply(config_all, strict: false)
3737 common_all = static_library('common',
3738 build_by_default: false,
3739 sources: common_all.sources() + genh,
3740 include_directories: common_user_inc,
3741 implicit_include_directories: false,
3742 dependencies: common_all.dependencies(),
3745 feature_to_c = find_program('scripts/feature_to_c.py')
3747 if targetos == 'darwin'
3748 entitlement = find_program('scripts/entitlement.sh')
3752 foreach target : target_dirs
3753 config_target = config_target_mak[target]
3754 target_name = config_target['TARGET_NAME']
3755 target_base_arch = config_target['TARGET_BASE_ARCH']
3756 arch_srcs = [config_target_h[target]]
3758 c_args = ['-DNEED_CPU_H',
3759 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3760 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3761 link_args = emulator_link_args
3763 config_target += config_targetos
3764 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3765 if targetos == 'linux'
3766 target_inc += include_directories('linux-headers', is_system: true)
3768 if target.endswith('-softmmu')
3769 target_type='system'
3770 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3771 arch_srcs += t.sources()
3772 arch_deps += t.dependencies()
3774 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3775 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3776 arch_srcs += hw.sources()
3777 arch_deps += hw.dependencies()
3779 arch_srcs += config_devices_h[target]
3780 link_args += ['@block.syms', '@qemu.syms']
3782 abi = config_target['TARGET_ABI_DIR']
3784 target_inc += common_user_inc
3785 if target_base_arch in target_user_arch
3786 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3787 arch_srcs += t.sources()
3788 arch_deps += t.dependencies()
3790 if 'CONFIG_LINUX_USER' in config_target
3791 base_dir = 'linux-user'
3793 if 'CONFIG_BSD_USER' in config_target
3794 base_dir = 'bsd-user'
3795 target_inc += include_directories('bsd-user/' / targetos)
3796 target_inc += include_directories('bsd-user/host/' / host_arch)
3797 dir = base_dir / abi
3798 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3800 target_inc += include_directories(
3804 if 'CONFIG_LINUX_USER' in config_target
3805 dir = base_dir / abi
3806 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3807 if config_target.has_key('TARGET_SYSTBL_ABI')
3809 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3810 extra_args : config_target['TARGET_SYSTBL_ABI'])
3815 if 'TARGET_XML_FILES' in config_target
3816 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3817 output: target + '-gdbstub-xml.c',
3818 input: files(config_target['TARGET_XML_FILES'].split()),
3819 command: [feature_to_c, '@INPUT@'],
3821 arch_srcs += gdbstub_xml
3824 t = target_arch[target_base_arch].apply(config_target, strict: false)
3825 arch_srcs += t.sources()
3826 arch_deps += t.dependencies()
3828 target_common = common_ss.apply(config_target, strict: false)
3829 objects = common_all.extract_objects(target_common.sources())
3830 deps = target_common.dependencies()
3832 target_specific = specific_ss.apply(config_target, strict: false)
3833 arch_srcs += target_specific.sources()
3834 arch_deps += target_specific.dependencies()
3836 lib = static_library('qemu-' + target,
3837 sources: arch_srcs + genh,
3838 dependencies: arch_deps,
3840 include_directories: target_inc,
3842 build_by_default: false,
3845 if target.endswith('-softmmu')
3847 'name': 'qemu-system-' + target_name,
3848 'win_subsystem': 'console',
3849 'sources': files('system/main.c'),
3852 if targetos == 'windows' and (sdl.found() or gtk.found())
3854 'name': 'qemu-system-' + target_name + 'w',
3855 'win_subsystem': 'windows',
3856 'sources': files('system/main.c'),
3860 if get_option('fuzzing')
3861 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3863 'name': 'qemu-fuzz-' + target_name,
3864 'win_subsystem': 'console',
3865 'sources': specific_fuzz.sources(),
3866 'dependencies': specific_fuzz.dependencies(),
3871 'name': 'qemu-' + target_name,
3872 'win_subsystem': 'console',
3878 exe_name = exe['name']
3879 if targetos == 'darwin'
3880 exe_name += '-unsigned'
3883 emulator = executable(exe_name, exe['sources'],
3886 dependencies: arch_deps + deps + exe['dependencies'],
3887 objects: lib.extract_all_objects(recursive: true),
3888 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3889 link_args: link_args,
3890 win_subsystem: exe['win_subsystem'])
3892 if targetos == 'darwin'
3893 icon = 'pc-bios/qemu.rsrc'
3894 build_input = [emulator, files(icon)]
3896 get_option('bindir') / exe_name,
3897 meson.current_source_dir() / icon
3899 if 'CONFIG_HVF' in config_target
3900 entitlements = 'accel/hvf/entitlements.plist'
3901 build_input += files(entitlements)
3902 install_input += meson.current_source_dir() / entitlements
3905 emulators += {exe['name'] : custom_target(exe['name'],
3907 output: exe['name'],
3908 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3911 meson.add_install_script(entitlement, '--install',
3912 get_option('bindir') / exe['name'],
3915 emulators += {exe['name']: emulator}
3920 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3921 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3922 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3923 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3925 custom_target(exe['name'] + stp['ext'],
3926 input: trace_events_all,
3927 output: exe['name'] + stp['ext'],
3928 install: stp['install'],
3929 install_dir: get_option('datadir') / 'systemtap/tapset',
3931 tracetool, '--group=all', '--format=' + stp['fmt'],
3932 '--binary=' + stp['bin'],
3933 '--target-name=' + target_name,
3934 '--target-type=' + target_type,
3935 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3936 '@INPUT@', '@OUTPUT@'
3938 depend_files: tracetool_depends)
3944 # Other build targets
3946 if get_option('plugins')
3947 install_headers('include/qemu/qemu-plugin.h')
3948 if targetos == 'windows'
3949 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3950 # so that plugin authors can compile against it.
3951 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3957 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3958 # when we don't build tools or system
3959 if xkbcommon.found()
3960 # used for the update-keymaps target, so include rules even if !have_tools
3961 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3962 dependencies: [qemuutil, xkbcommon], install: have_tools)
3966 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3967 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3968 qemu_io = executable('qemu-io', files('qemu-io.c'),
3969 dependencies: [block, qemuutil], install: true)
3970 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3971 dependencies: [blockdev, qemuutil, gnutls, selinux],
3974 subdir('storage-daemon')
3975 subdir('contrib/rdmacm-mux')
3976 subdir('contrib/elf2dmp')
3978 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3979 dependencies: qemuutil,
3983 subdir('contrib/vhost-user-blk')
3984 subdir('contrib/vhost-user-gpu')
3985 subdir('contrib/vhost-user-input')
3986 subdir('contrib/vhost-user-scsi')
3989 if targetos == 'linux'
3990 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3991 dependencies: [qemuutil, libcap_ng],
3993 install_dir: get_option('libexecdir'))
3995 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3996 dependencies: [authz, crypto, io, qom, qemuutil,
3997 libcap_ng, mpathpersist],
4002 subdir('contrib/ivshmem-client')
4003 subdir('contrib/ivshmem-server')
4016 if host_machine.system() == 'windows'
4018 find_program('scripts/nsis.py'),
4020 get_option('prefix'),
4021 meson.current_source_dir(),
4022 glib_pc.get_variable('bindir'),
4025 '-DDISPLAYVERSION=' + meson.project_version(),
4028 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4031 nsis_cmd += '-DCONFIG_GTK=y'
4034 nsis = custom_target('nsis',
4035 output: 'qemu-setup-' + meson.project_version() + '.exe',
4036 input: files('qemu.nsi'),
4037 build_always_stale: true,
4038 command: nsis_cmd + ['@INPUT@'])
4039 alias_target('installer', nsis)
4042 #########################
4043 # Configuration summary #
4044 #########################
4048 summary_info += {'Build directory': meson.current_build_dir()}
4049 summary_info += {'Source path': meson.current_source_dir()}
4050 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4051 summary(summary_info, bool_yn: true, section: 'Build environment')
4054 summary_info += {'Install prefix': get_option('prefix')}
4055 summary_info += {'BIOS directory': qemu_datadir}
4056 pathsep = targetos == 'windows' ? ';' : ':'
4057 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4058 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4059 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4060 summary_info += {'module directory': qemu_moddir}
4061 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4062 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4063 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4064 if targetos != 'windows'
4065 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4066 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4068 summary_info += {'local state directory': 'queried at runtime'}
4070 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4071 summary(summary_info, bool_yn: true, section: 'Directories')
4075 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4076 summary_info += {'sphinx-build': sphinx_build}
4078 # FIXME: the [binaries] section of machine files, which can be probed
4079 # with find_program(), would be great for passing gdb and genisoimage
4080 # paths from configure to Meson. However, there seems to be no way to
4081 # hide a program (for example if gdb is too old).
4082 if config_host.has_key('GDB')
4083 summary_info += {'gdb': config_host['GDB']}
4085 summary_info += {'iasl': iasl}
4086 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4087 if targetos == 'windows' and have_ga
4088 summary_info += {'wixl': wixl}
4090 if slirp.found() and have_system
4091 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4093 summary(summary_info, bool_yn: true, section: 'Host binaries')
4095 # Configurable features
4097 summary_info += {'Documentation': build_docs}
4098 summary_info += {'system-mode emulation': have_system}
4099 summary_info += {'user-mode emulation': have_user}
4100 summary_info += {'block layer': have_block}
4101 summary_info += {'Install blobs': get_option('install_blobs')}
4102 summary_info += {'module support': enable_modules}
4104 summary_info += {'alternative module path': get_option('module_upgrades')}
4106 summary_info += {'fuzzing support': get_option('fuzzing')}
4108 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4110 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4111 if 'simple' in get_option('trace_backends')
4112 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4114 summary_info += {'D-Bus display': dbus_display}
4115 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4116 summary_info += {'Relocatable install': get_option('relocatable')}
4117 summary_info += {'vhost-kernel support': have_vhost_kernel}
4118 summary_info += {'vhost-net support': have_vhost_net}
4119 summary_info += {'vhost-user support': have_vhost_user}
4120 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4121 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4122 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4123 summary_info += {'build guest agent': have_ga}
4124 summary(summary_info, bool_yn: true, section: 'Configurable features')
4126 # Compilation information
4128 summary_info += {'host CPU': cpu}
4129 summary_info += {'host endianness': build_machine.endian()}
4130 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4131 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4132 if 'cpp' in all_languages
4133 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4135 summary_info += {'C++ compiler': false}
4137 if 'objc' in all_languages
4138 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4140 summary_info += {'Objective-C compiler': false}
4142 option_cflags = (get_option('debug') ? ['-g'] : [])
4143 if get_option('optimization') != 'plain'
4144 option_cflags += ['-O' + get_option('optimization')]
4146 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4147 if 'cpp' in all_languages
4148 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4150 if 'objc' in all_languages
4151 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4153 link_args = get_option('c_link_args')
4154 if link_args.length() > 0
4155 summary_info += {'LDFLAGS': ' '.join(link_args)}
4157 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4158 if 'cpp' in all_languages
4159 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4161 if 'objc' in all_languages
4162 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4164 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4165 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4166 summary_info += {'PIE': get_option('b_pie')}
4167 summary_info += {'static build': get_option('prefer_static')}
4168 summary_info += {'malloc trim support': has_malloc_trim}
4169 summary_info += {'membarrier': have_membarrier}
4170 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4171 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4172 summary_info += {'mutex debugging': get_option('debug_mutex')}
4173 summary_info += {'memory allocator': get_option('malloc')}
4174 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4175 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4176 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4177 summary_info += {'gcov': get_option('b_coverage')}
4178 summary_info += {'thread sanitizer': get_option('tsan')}
4179 summary_info += {'CFI support': get_option('cfi')}
4180 if get_option('cfi')
4181 summary_info += {'CFI debug support': get_option('cfi_debug')}
4183 summary_info += {'strip binaries': get_option('strip')}
4184 summary_info += {'sparse': sparse}
4185 summary_info += {'mingw32 support': targetos == 'windows'}
4186 summary(summary_info, bool_yn: true, section: 'Compilation')
4188 # snarf the cross-compilation information for tests
4191 foreach target: target_dirs
4192 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4193 if fs.exists(tcg_mak)
4194 config_cross_tcg = keyval.load(tcg_mak)
4195 if 'CC' in config_cross_tcg
4196 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4202 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4205 # Targets and accelerators
4208 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4209 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4210 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4211 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4212 summary_info += {'Xen support': xen.found()}
4214 summary_info += {'xen ctrl version': xen.version()}
4216 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4218 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4219 if config_all.has_key('CONFIG_TCG')
4220 if get_option('tcg_interpreter')
4221 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4223 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4225 summary_info += {'TCG plugins': get_option('plugins')}
4226 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4228 summary_info += {'target list': ' '.join(target_dirs)}
4230 summary_info += {'default devices': get_option('default_devices')}
4231 summary_info += {'out of process emulation': multiprocess_allowed}
4232 summary_info += {'vfio-user server': vfio_user_server_allowed}
4234 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4238 summary_info += {'coroutine backend': coroutine_backend}
4239 summary_info += {'coroutine pool': have_coroutine_pool}
4241 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4242 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4243 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4244 summary_info += {'VirtFS (9P) support': have_virtfs}
4245 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4246 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4247 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4248 summary_info += {'bochs support': get_option('bochs').allowed()}
4249 summary_info += {'cloop support': get_option('cloop').allowed()}
4250 summary_info += {'dmg support': get_option('dmg').allowed()}
4251 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4252 summary_info += {'vdi support': get_option('vdi').allowed()}
4253 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4254 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4255 summary_info += {'vpc support': get_option('vpc').allowed()}
4256 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4257 summary_info += {'qed support': get_option('qed').allowed()}
4258 summary_info += {'parallels support': get_option('parallels').allowed()}
4259 summary_info += {'FUSE exports': fuse}
4260 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4262 summary(summary_info, bool_yn: true, section: 'Block layer support')
4266 summary_info += {'TLS priority': get_option('tls_priority')}
4267 summary_info += {'GNUTLS support': gnutls}
4269 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4271 summary_info += {'libgcrypt': gcrypt}
4272 summary_info += {'nettle': nettle}
4274 summary_info += {' XTS': xts != 'private'}
4276 summary_info += {'AF_ALG support': have_afalg}
4277 summary_info += {'rng-none': get_option('rng_none')}
4278 summary_info += {'Linux keyring': have_keyring}
4279 summary_info += {'Linux keyutils': keyutils}
4280 summary(summary_info, bool_yn: true, section: 'Crypto')
4284 if targetos == 'darwin'
4285 summary_info += {'Cocoa support': cocoa}
4287 summary_info += {'SDL support': sdl}
4288 summary_info += {'SDL image support': sdl_image}
4289 summary_info += {'GTK support': gtk}
4290 summary_info += {'pixman': pixman}
4291 summary_info += {'VTE support': vte}
4292 summary_info += {'PNG support': png}
4293 summary_info += {'VNC support': vnc}
4295 summary_info += {'VNC SASL support': sasl}
4296 summary_info += {'VNC JPEG support': jpeg}
4298 summary_info += {'spice protocol support': spice_protocol}
4299 if spice_protocol.found()
4300 summary_info += {' spice server support': spice}
4302 summary_info += {'curses support': curses}
4303 summary_info += {'brlapi support': brlapi}
4304 summary(summary_info, bool_yn: true, section: 'User interface')
4308 if targetos not in ['darwin', 'haiku', 'windows']
4309 summary_info += {'OSS support': oss}
4310 summary_info += {'sndio support': sndio}
4311 elif targetos == 'darwin'
4312 summary_info += {'CoreAudio support': coreaudio}
4313 elif targetos == 'windows'
4314 summary_info += {'DirectSound support': dsound}
4316 if targetos == 'linux'
4317 summary_info += {'ALSA support': alsa}
4318 summary_info += {'PulseAudio support': pulse}
4320 summary_info += {'PipeWire support': pipewire}
4321 summary_info += {'JACK support': jack}
4322 summary(summary_info, bool_yn: true, section: 'Audio backends')
4326 if targetos == 'darwin'
4327 summary_info += {'vmnet.framework support': vmnet}
4329 summary_info += {'AF_XDP support': libxdp}
4330 summary_info += {'slirp support': slirp}
4331 summary_info += {'vde support': vde}
4332 summary_info += {'netmap support': have_netmap}
4333 summary_info += {'l2tpv3 support': have_l2tpv3}
4334 summary(summary_info, bool_yn: true, section: 'Network backends')
4338 summary_info += {'libtasn1': tasn1}
4339 summary_info += {'PAM': pam}
4340 summary_info += {'iconv support': iconv}
4341 summary_info += {'virgl support': virgl}
4342 summary_info += {'rutabaga support': rutabaga}
4343 summary_info += {'blkio support': blkio}
4344 summary_info += {'curl support': curl}
4345 summary_info += {'Multipath support': mpathpersist}
4346 summary_info += {'Linux AIO support': libaio}
4347 summary_info += {'Linux io_uring support': linux_io_uring}
4348 summary_info += {'ATTR/XATTR support': libattr}
4349 summary_info += {'RDMA support': rdma}
4350 summary_info += {'PVRDMA support': have_pvrdma}
4351 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4352 summary_info += {'libcap-ng support': libcap_ng}
4353 summary_info += {'bpf support': libbpf}
4354 summary_info += {'rbd support': rbd}
4355 summary_info += {'smartcard support': cacard}
4356 summary_info += {'U2F support': u2f}
4357 summary_info += {'libusb': libusb}
4358 summary_info += {'usb net redir': usbredir}
4359 summary_info += {'OpenGL support (epoxy)': opengl}
4360 summary_info += {'GBM': gbm}
4361 summary_info += {'libiscsi support': libiscsi}
4362 summary_info += {'libnfs support': libnfs}
4363 if targetos == 'windows'
4365 summary_info += {'QGA VSS support': have_qga_vss}
4368 summary_info += {'seccomp support': seccomp}
4369 summary_info += {'GlusterFS support': glusterfs}
4370 summary_info += {'hv-balloon support': hv_balloon}
4371 summary_info += {'TPM support': have_tpm}
4372 summary_info += {'libssh support': libssh}
4373 summary_info += {'lzo support': lzo}
4374 summary_info += {'snappy support': snappy}
4375 summary_info += {'bzip2 support': libbzip2}
4376 summary_info += {'lzfse support': liblzfse}
4377 summary_info += {'zstd support': zstd}
4378 summary_info += {'NUMA host support': numa}
4379 summary_info += {'capstone': capstone}
4380 summary_info += {'libpmem support': libpmem}
4381 summary_info += {'libdaxctl support': libdaxctl}
4382 summary_info += {'libudev': libudev}
4383 # Dummy dependency, keep .found()
4384 summary_info += {'FUSE lseek': fuse_lseek.found()}
4385 summary_info += {'selinux': selinux}
4386 summary_info += {'libdw': libdw}
4387 summary(summary_info, bool_yn: true, section: 'Dependencies')
4389 if host_arch == 'unknown'
4391 warning('UNSUPPORTED HOST CPU')
4393 message('Support for CPU host architecture ' + cpu + ' is not currently')
4394 message('maintained. The QEMU project does not guarantee that QEMU will')
4395 message('compile or work on this host CPU. You can help by volunteering')
4396 message('to maintain it and providing a build host for our continuous')
4397 message('integration setup.')
4398 if get_option('tcg').allowed() and target_dirs.length() > 0
4400 message('configure has succeeded and you can continue to build, but')
4401 message('QEMU will use a slow interpreter to emulate the target CPU.')
4405 if not supported_oses.contains(targetos)
4407 warning('UNSUPPORTED HOST OS')
4409 message('Support for host OS ' + targetos + 'is not currently maintained.')
4410 message('configure has succeeded and you can continue to build, but')
4411 message('the QEMU project does not guarantee that QEMU will compile or')
4412 message('work on this operating system. You can help by volunteering')
4413 message('to maintain it and providing a build host for our continuous')
4414 message('integration setup. This will ensure that future versions of QEMU')
4415 message('will keep working on ' + targetos + '.')
4418 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4420 message('If you want to help supporting QEMU on this platform, please')
4421 message('contact the developers at qemu-devel@nongnu.org.')
4424 actually_reloc = get_option('relocatable')
4425 # check if get_relocated_path() is actually able to relocate paths
4426 if get_option('relocatable') and \
4427 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4429 warning('bindir not included within prefix, the installation will not be relocatable.')
4430 actually_reloc = false
4432 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4433 if targetos == 'windows'
4435 warning('Windows installs should usually be relocatable.')
4438 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4439 message('Use --disable-relocatable to remove this warning.')