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 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', 'riscv', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 # Unify riscv* to a single family.
64 if cpu in ['riscv32', 'riscv64']
68 target_dirs = config_host['TARGET_DIRS'].split()
69 have_linux_user = false
72 foreach target : target_dirs
73 have_linux_user = have_linux_user or target.endswith('linux-user')
74 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
75 have_system = have_system or target.endswith('-softmmu')
77 have_user = have_linux_user or have_bsd_user
78 have_tools = get_option('tools') \
79 .disable_auto_if(not have_system) \
81 have_ga = get_option('guest_agent') \
82 .disable_auto_if(not have_system and not have_tools) \
83 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
84 error_message: 'unsupported OS for QEMU guest agent') \
86 enable_modules = get_option('modules') \
87 .require(targetos != 'windows',
88 error_message: 'Modules are not available for Windows') \
89 .require(not get_option('prefer_static'),
90 error_message: 'Modules are incompatible with static linking') \
92 have_block = have_system or have_tools
94 python = import('python').find_installation()
96 if cpu not in supported_cpus
106 if cpu in ['x86', 'x86_64']
107 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
108 elif cpu == 'aarch64'
109 kvm_targets = ['aarch64-softmmu']
111 kvm_targets = ['s390x-softmmu']
112 elif cpu in ['ppc', 'ppc64']
113 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
114 elif cpu in ['mips', 'mips64']
115 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
116 elif cpu in ['riscv']
117 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
123 if get_option('kvm').allowed() and targetos == 'linux'
124 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
126 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
128 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
130 if cpu in ['aarch64']
131 accelerator_targets += {
132 'CONFIG_HVF': ['aarch64-softmmu']
136 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
137 # i386 emulator provides xenpv machine type for multiple architectures
138 accelerator_targets += {
139 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
142 if cpu in ['x86', 'x86_64']
143 accelerator_targets += {
144 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_HVF': ['x86_64-softmmu'],
146 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
147 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
152 # Darwin does not support references to thread-local variables in modules
153 if targetos != 'darwin'
154 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
157 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
158 unpack_edk2_blobs = false
159 foreach target : edk2_targets
160 if target in target_dirs
161 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
162 unpack_edk2_blobs = bzip2.found()
169 if 'dtrace' in get_option('trace_backends')
170 dtrace = find_program('dtrace', required: true)
171 stap = find_program('stap', required: false)
173 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
174 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
175 # instead. QEMU --enable-modules depends on this because the SystemTap
176 # semaphores are linked into the main binary and not the module's shared
178 add_global_arguments('-DSTAP_SDT_V2',
179 native: false, language: all_languages)
183 if get_option('iasl') == ''
184 iasl = find_program('iasl', required: false)
186 iasl = find_program(get_option('iasl'), required: true)
193 foreach lang : all_languages
194 compiler = meson.get_compiler(lang)
195 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
197 elif compiler.get_id() == 'clang' and compiler.compiles('''
198 #ifdef __apple_build_version__
199 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
200 # error You need at least XCode Clang v12.0 to compile QEMU
203 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
204 # error You need at least Clang v10.0 to compile QEMU
209 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
213 # default flags for all hosts
214 # We use -fwrapv to tell the compiler that we require a C dialect where
215 # left shift of signed integers is well defined and has the expected
216 # 2s-complement style results. (Both clang and gcc agree that it
217 # provides these semantics.)
219 qemu_common_flags = [
220 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
221 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
225 if targetos == 'darwin'
226 # Disable attempts to use ObjectiveC features in os/object.h since they
227 # won't work when we're compiling with gcc as a C compiler.
228 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'solaris'
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('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Check that the C++ compiler exists and works with the C compiler.
480 if 'cpp' in all_languages
481 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483 link_language = 'cpp'
486 message('C++ compiler does not work with C compiler')
487 message('Disabling C++-specific optional code')
491 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492 if get_option('optimization') != '0' and targetos == 'linux'
493 if cc.get_id() == 'gcc'
494 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
496 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
501 add_project_arguments(qemu_cflags, native: false, language: 'c')
502 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503 if 'cpp' in all_languages
504 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
507 if 'objc' in all_languages
508 # Note sanitizer flags are not applied to Objective-C sources!
509 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
511 if targetos == 'linux'
512 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513 '-isystem', 'linux-headers',
514 language: all_languages)
517 add_project_arguments('-iquote', '.',
518 '-iquote', meson.current_source_dir(),
519 '-iquote', meson.current_source_dir() / 'include',
520 language: all_languages)
522 # If a host-specific include directory exists, list that first...
523 host_include = meson.current_source_dir() / 'host/include/'
524 if fs.is_dir(host_include / host_arch)
525 add_project_arguments('-iquote', host_include / host_arch,
526 language: all_languages)
528 # ... followed by the generic fallback.
529 add_project_arguments('-iquote', host_include / 'generic',
530 language: all_languages)
532 sparse = find_program('cgcc', required: get_option('sparse'))
535 command: [find_program('scripts/check_sparse.py'),
536 'compile_commands.json', sparse.full_path(), '-Wbitwise',
537 '-Wno-transparent-union', '-Wno-old-initializer',
538 '-Wno-non-pointer-null'])
541 ###########################################
542 # Target-specific checks and dependencies #
543 ###########################################
546 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
549 #include <sys/types.h>
550 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
553 args: ['-Werror', '-fsanitize=fuzzer'])
554 error('Your compiler does not support -fsanitize=fuzzer')
558 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559 error('ftrace is supported only on Linux')
561 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
564 openlog("qemu", LOG_PID, LOG_DAEMON);
565 syslog(LOG_INFO, "configure");
568 error('syslog is not supported on this system')
571 # Miscellaneous Linux-only features
572 get_option('mpath') \
573 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
575 multiprocess_allowed = get_option('multiprocess') \
576 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
579 vfio_user_server_allowed = get_option('vfio_user_server') \
580 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
583 have_tpm = get_option('tpm') \
584 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
588 have_vhost_user = get_option('vhost_user') \
589 .disable_auto_if(targetos != 'linux') \
590 .require(targetos != 'windows',
591 error_message: 'vhost-user is not available on Windows').allowed()
592 have_vhost_vdpa = get_option('vhost_vdpa') \
593 .require(targetos == 'linux',
594 error_message: 'vhost-vdpa is only available on Linux').allowed()
595 have_vhost_kernel = get_option('vhost_kernel') \
596 .require(targetos == 'linux',
597 error_message: 'vhost-kernel is only available on Linux').allowed()
598 have_vhost_user_crypto = get_option('vhost_crypto') \
599 .require(have_vhost_user,
600 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
602 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
604 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
609 # Target-specific libraries and flags
610 libm = cc.find_library('m', required: false)
611 threads = dependency('threads')
612 util = cc.find_library('util', required: false)
618 emulator_link_args = []
625 if targetos == 'windows'
626 midl = find_program('midl', required: false)
627 widl = find_program('widl', required: false)
628 pathcch = cc.find_library('pathcch')
629 socket = cc.find_library('ws2_32')
630 winmm = cc.find_library('winmm')
632 win = import('windows')
633 version_res = win.compile_resources('version.rc',
634 depend_files: files('pc-bios/qemu-nsis.ico'),
635 include_directories: include_directories('.'))
637 elif targetos == 'darwin'
638 coref = dependency('appleframeworks', modules: 'CoreFoundation')
639 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640 host_dsosuf = '.dylib'
641 elif targetos == 'sunos'
642 socket = [cc.find_library('socket'),
643 cc.find_library('nsl'),
644 cc.find_library('resolv')]
645 elif targetos == 'haiku'
646 socket = [cc.find_library('posix_error_mapper'),
647 cc.find_library('network'),
648 cc.find_library('bsd')]
649 elif targetos == 'openbsd'
650 if get_option('tcg').allowed() and target_dirs.length() > 0
651 # Disable OpenBSD W^X if available
652 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
656 # Target-specific configuration of accelerators
658 if get_option('kvm').allowed() and targetos == 'linux'
659 accelerators += 'CONFIG_KVM'
661 if get_option('whpx').allowed() and targetos == 'windows'
662 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663 error('WHPX requires 64-bit host')
664 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
665 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
666 accelerators += 'CONFIG_WHPX'
669 if get_option('hvf').allowed()
670 hvf = dependency('appleframeworks', modules: 'Hypervisor',
671 required: get_option('hvf'))
673 accelerators += 'CONFIG_HVF'
676 if get_option('hax').allowed()
677 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678 accelerators += 'CONFIG_HAX'
681 if targetos == 'netbsd'
682 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
684 accelerators += 'CONFIG_NVMM'
689 if get_option('tcg').allowed()
690 if host_arch == 'unknown'
691 if get_option('tcg_interpreter')
692 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
694 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
696 elif get_option('tcg_interpreter')
697 warning('Use of the TCG interpreter is not recommended on this host')
698 warning('architecture. There is a native TCG execution backend available')
699 warning('which provides substantially better performance and reliability.')
700 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701 warning('configuration option on this architecture to use the native')
704 if get_option('tcg_interpreter')
706 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707 elif host_arch == 'x86_64'
709 elif host_arch == 'ppc64'
712 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713 language: all_languages)
715 accelerators += 'CONFIG_TCG'
716 config_host += { 'CONFIG_TCG': 'y' }
719 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720 error('KVM not available on this platform')
722 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723 error('HVF not available on this platform')
725 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726 error('NVMM not available on this platform')
728 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729 error('WHPX not available on this platform')
736 # When bumping glib minimum version, please check also whether to increase
737 # the _WIN32_WINNT setting in osdep.h according to the value from glib
738 glib_req_ver = '>=2.56.0'
739 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740 method: 'pkg-config')
743 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744 method: 'pkg-config')
745 elif config_host.has_key('CONFIG_PLUGIN')
746 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747 method: 'pkg-config')
752 # This workaround is required due to a bug in pkg-config file for glib as it
753 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754 if targetos == 'windows' and get_option('prefer_static')
755 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
758 # Sanity check that the current size_t matches the
759 # size that glib thinks it should be. This catches
760 # problems on multi-arch where people try to build
761 # 32-bit QEMU while pointing at 64-bit glib headers
763 if not cc.compiles('''
767 #define QEMU_BUILD_BUG_ON(x) \
768 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
771 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
773 }''', dependencies: glib_pc, args: glib_cflags)
774 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775 You probably need to set PKG_CONFIG_LIBDIR" to point
776 to the right pkg-config files for your build target.''')
779 # Silence clang warnings triggered by glib < 2.57.2
780 if not cc.compiles('''
785 static void foo_free(Foo *f)
789 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
793 glib = declare_dependency(dependencies: [glib_pc, gmodule],
794 compile_args: glib_cflags,
795 version: glib_pc.version())
797 # Check whether glib has gslice, which we have to avoid for correctness.
798 # TODO: remove this check and the corresponding workaround (qtree) when
799 # the minimum supported glib is >= 2.75.3
800 glib_has_gslice = glib.version().version_compare('<2.75.3')
802 # override glib dep to include the above refinements
803 meson.override_dependency('glib-2.0', glib)
805 # The path to glib.h is added to all compilation commands.
806 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807 native: false, language: all_languages)
810 gdbus_codegen = not_found
811 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812 if not get_option('gio').auto() or have_system
813 gio = dependency('gio-2.0', required: get_option('gio'),
814 method: 'pkg-config')
815 if gio.found() and not cc.links('''
819 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
821 }''', dependencies: [glib, gio])
822 if get_option('gio').enabled()
823 error('The installed libgio is broken for static linking')
828 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829 required: get_option('gio'))
830 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831 method: 'pkg-config')
832 gio = declare_dependency(dependencies: [gio, gio_unix],
833 version: gio.version())
836 if gdbus_codegen.found() and get_option('cfi')
837 gdbus_codegen = not_found
838 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
842 if 'ust' in get_option('trace_backends')
843 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
844 method: 'pkg-config')
847 if have_system or have_tools
848 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
849 method: 'pkg-config')
851 zlib = dependency('zlib', required: true)
854 if not get_option('linux_aio').auto() or have_block
855 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
856 required: get_option('linux_aio'))
859 linux_io_uring_test = '''
860 #include <liburing.h>
861 #include <linux/errqueue.h>
863 int main(void) { return 0; }'''
865 linux_io_uring = not_found
866 if not get_option('linux_io_uring').auto() or have_block
867 linux_io_uring = dependency('liburing', version: '>=0.3',
868 required: get_option('linux_io_uring'),
869 method: 'pkg-config')
870 if not cc.links(linux_io_uring_test)
871 linux_io_uring = not_found
876 if not get_option('libnfs').auto() or have_block
877 libnfs = dependency('libnfs', version: '>=1.9.3',
878 required: get_option('libnfs'),
879 method: 'pkg-config')
884 #include <sys/types.h>
885 #ifdef CONFIG_LIBATTR
886 #include <attr/xattr.h>
888 #include <sys/xattr.h>
890 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
893 have_old_libattr = false
894 if get_option('attr').allowed()
895 if cc.links(libattr_test)
896 libattr = declare_dependency()
898 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
899 required: get_option('attr'))
900 if libattr.found() and not \
901 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
903 if get_option('attr').enabled()
904 error('could not link libattr')
906 warning('could not link libattr, disabling')
909 have_old_libattr = libattr.found()
914 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
915 required: get_option('cocoa'))
917 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
918 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
919 'VMNET_BRIDGED_MODE',
922 if get_option('vmnet').enabled()
923 error('vmnet.framework API is outdated')
925 warning('vmnet.framework API is outdated, disabling')
930 seccomp_has_sysrawrc = false
931 if not get_option('seccomp').auto() or have_system or have_tools
932 seccomp = dependency('libseccomp', version: '>=2.3.0',
933 required: get_option('seccomp'),
934 method: 'pkg-config')
936 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
937 'SCMP_FLTATR_API_SYSRAWRC',
938 dependencies: seccomp)
942 libcap_ng = not_found
943 if not get_option('cap_ng').auto() or have_system or have_tools
944 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
945 required: get_option('cap_ng'))
947 if libcap_ng.found() and not cc.links('''
951 capng_capability_to_name(CAPNG_EFFECTIVE);
953 }''', dependencies: libcap_ng)
954 libcap_ng = not_found
955 if get_option('cap_ng').enabled()
956 error('could not link libcap-ng')
958 warning('could not link libcap-ng, disabling')
962 if get_option('xkbcommon').auto() and not have_system and not have_tools
963 xkbcommon = not_found
965 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
966 method: 'pkg-config')
970 if not get_option('slirp').auto() or have_system
971 slirp = dependency('slirp', required: get_option('slirp'),
972 method: 'pkg-config')
973 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
974 # it passes function pointers within libslirp as callbacks for timers.
975 # When using a system-wide shared libslirp, the type information for the
976 # callback is missing and the timer call produces a false positive with CFI.
977 # Do not use the "version" keyword argument to produce a better error.
978 # with control-flow integrity.
979 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
980 if get_option('slirp').enabled()
981 error('Control-Flow Integrity requires libslirp 4.7.')
983 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
990 if not get_option('vde').auto() or have_system or have_tools
991 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
992 required: get_option('vde'))
994 if vde.found() and not cc.links('''
995 #include <libvdeplug.h>
998 struct vde_open_args a = {0, 0, 0};
1002 }''', dependencies: vde)
1004 if get_option('cap_ng').enabled()
1005 error('could not link libvdeplug')
1007 warning('could not link libvdeplug, disabling')
1012 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1013 pulse = dependency('libpulse', required: get_option('pa'),
1014 method: 'pkg-config')
1017 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1018 alsa = dependency('alsa', required: get_option('alsa'),
1019 method: 'pkg-config')
1022 if not get_option('jack').auto() or have_system
1023 jack = dependency('jack', required: get_option('jack'),
1024 method: 'pkg-config')
1026 pipewire = not_found
1027 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1028 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1029 required: get_option('pipewire'),
1030 method: 'pkg-config')
1033 if not get_option('sndio').auto() or have_system
1034 sndio = dependency('sndio', required: get_option('sndio'),
1035 method: 'pkg-config')
1038 spice_protocol = not_found
1039 if not get_option('spice_protocol').auto() or have_system
1040 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1041 required: get_option('spice_protocol'),
1042 method: 'pkg-config')
1045 if not get_option('spice').auto() or have_system
1046 spice = dependency('spice-server', version: '>=0.14.0',
1047 required: get_option('spice'),
1048 method: 'pkg-config')
1050 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1052 rt = cc.find_library('rt', required: false)
1054 libiscsi = not_found
1055 if not get_option('libiscsi').auto() or have_block
1056 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1057 required: get_option('libiscsi'),
1058 method: 'pkg-config')
1061 if not get_option('zstd').auto() or have_block
1062 zstd = dependency('libzstd', version: '>=1.4.0',
1063 required: get_option('zstd'),
1064 method: 'pkg-config')
1068 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1069 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1070 virgl = dependency('virglrenderer',
1071 method: 'pkg-config',
1072 required: get_option('virglrenderer'))
1075 if not get_option('blkio').auto() or have_block
1076 blkio = dependency('blkio',
1077 method: 'pkg-config',
1078 required: get_option('blkio'))
1081 if not get_option('curl').auto() or have_block
1082 curl = dependency('libcurl', version: '>=7.29.0',
1083 method: 'pkg-config',
1084 required: get_option('curl'))
1087 if targetos == 'linux' and (have_system or have_tools)
1088 libudev = dependency('libudev',
1089 method: 'pkg-config',
1090 required: get_option('libudev'))
1093 mpathlibs = [libudev]
1094 mpathpersist = not_found
1095 mpathpersist_new_api = false
1096 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1097 mpath_test_source_new = '''
1098 #include <libudev.h>
1099 #include <mpath_persist.h>
1100 unsigned mpath_mx_alloc_len = 1024;
1102 static struct config *multipath_conf;
1103 extern struct udev *udev;
1104 extern struct config *get_multipath_config(void);
1105 extern void put_multipath_config(struct config *conf);
1107 struct config *get_multipath_config(void) { return multipath_conf; }
1108 void put_multipath_config(struct config *conf) { }
1111 multipath_conf = mpath_lib_init();
1114 mpath_test_source_old = '''
1115 #include <libudev.h>
1116 #include <mpath_persist.h>
1117 unsigned mpath_mx_alloc_len = 1024;
1120 struct udev *udev = udev_new();
1121 mpath_lib_init(udev);
1124 libmpathpersist = cc.find_library('mpathpersist',
1125 required: get_option('mpath'))
1126 if libmpathpersist.found()
1127 mpathlibs += libmpathpersist
1128 if get_option('prefer_static')
1129 mpathlibs += cc.find_library('devmapper',
1130 required: get_option('mpath'))
1132 mpathlibs += cc.find_library('multipath',
1133 required: get_option('mpath'))
1134 foreach lib: mpathlibs
1140 if mpathlibs.length() == 0
1141 msg = 'Dependencies missing for libmpathpersist'
1142 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
1143 mpathpersist = declare_dependency(dependencies: mpathlibs)
1144 mpathpersist_new_api = true
1145 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
1146 mpathpersist = declare_dependency(dependencies: mpathlibs)
1148 msg = 'Cannot detect libmpathpersist API'
1150 if not mpathpersist.found()
1151 if get_option('mpath').enabled()
1154 warning(msg + ', disabling')
1162 if have_system and get_option('curses').allowed()
1164 #if defined(__APPLE__) || defined(__OpenBSD__)
1165 #define _XOPEN_SOURCE_EXTENDED 1
1172 setlocale(LC_ALL, "");
1174 addwstr(L"wide chars\n");
1176 add_wch(WACS_DEGREE);
1180 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1181 curses = dependency(curses_dep_list,
1183 method: 'pkg-config')
1184 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1185 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1187 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1188 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1189 version: curses.version())
1191 msg = 'curses package not usable'
1195 if not curses.found()
1196 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1197 if targetos != 'windows' and not has_curses_h
1198 message('Trying with /usr/include/ncursesw')
1199 curses_compile_args += ['-I/usr/include/ncursesw']
1200 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1203 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1204 foreach curses_libname : curses_libname_list
1205 libcurses = cc.find_library(curses_libname,
1207 if libcurses.found()
1208 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1209 curses = declare_dependency(compile_args: curses_compile_args,
1210 dependencies: [libcurses])
1213 msg = 'curses library not usable'
1219 if get_option('iconv').allowed()
1220 foreach link_args : [ ['-liconv'], [] ]
1221 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1222 # We need to use libiconv if available because mixing libiconv's headers with
1223 # the system libc does not work.
1224 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1225 # included in the command line and libiconv will not be found.
1229 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1230 return conv != (iconv_t) -1;
1231 }''', args: link_args, dependencies: glib)
1232 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1237 if curses.found() and not iconv.found()
1238 if get_option('iconv').enabled()
1239 error('iconv not available')
1241 msg = 'iconv required for curses UI but not available'
1244 if not curses.found() and msg != ''
1245 if get_option('curses').enabled()
1248 warning(msg + ', disabling')
1254 if not get_option('brlapi').auto() or have_system
1255 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1256 required: get_option('brlapi'))
1257 if brlapi.found() and not cc.links('''
1260 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1262 if get_option('brlapi').enabled()
1263 error('could not link brlapi')
1265 warning('could not link brlapi, disabling')
1271 if not get_option('sdl').auto() or have_system
1272 sdl = dependency('sdl2', required: get_option('sdl'))
1273 sdl_image = not_found
1276 # work around 2.0.8 bug
1277 sdl = declare_dependency(compile_args: '-Wno-undef',
1279 version: sdl.version())
1280 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1281 method: 'pkg-config')
1283 if get_option('sdl_image').enabled()
1284 error('sdl-image required, but SDL was @0@'.format(
1285 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1287 sdl_image = not_found
1291 if not get_option('rbd').auto() or have_block
1292 librados = cc.find_library('rados', required: get_option('rbd'))
1293 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1294 required: get_option('rbd'))
1295 if librados.found() and librbd.found()
1298 #include <rbd/librbd.h>
1301 rados_create(&cluster, NULL);
1302 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1306 }''', dependencies: [librbd, librados])
1307 rbd = declare_dependency(dependencies: [librbd, librados])
1308 elif get_option('rbd').enabled()
1309 error('librbd >= 1.12.0 required')
1311 warning('librbd >= 1.12.0 not found, disabling')
1316 glusterfs = not_found
1317 glusterfs_ftruncate_has_stat = false
1318 glusterfs_iocb_has_stat = false
1319 if not get_option('glusterfs').auto() or have_block
1320 glusterfs = dependency('glusterfs-api', version: '>=3',
1321 required: get_option('glusterfs'),
1322 method: 'pkg-config')
1323 if glusterfs.found()
1324 glusterfs_ftruncate_has_stat = cc.links('''
1325 #include <glusterfs/api/glfs.h>
1330 /* new glfs_ftruncate() passes two additional args */
1331 return glfs_ftruncate(NULL, 0, NULL, NULL);
1333 ''', dependencies: glusterfs)
1334 glusterfs_iocb_has_stat = cc.links('''
1335 #include <glusterfs/api/glfs.h>
1337 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1339 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1345 glfs_io_cbk iocb = &glusterfs_iocb;
1346 iocb(NULL, 0 , NULL, NULL, NULL);
1349 ''', dependencies: glusterfs)
1354 if not get_option('libssh').auto() or have_block
1355 libssh = dependency('libssh', version: '>=0.8.7',
1356 method: 'pkg-config',
1357 required: get_option('libssh'))
1360 libbzip2 = not_found
1361 if not get_option('bzip2').auto() or have_block
1362 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1363 required: get_option('bzip2'))
1364 if libbzip2.found() and not cc.links('''
1366 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1367 libbzip2 = not_found
1368 if get_option('bzip2').enabled()
1369 error('could not link libbzip2')
1371 warning('could not link libbzip2, disabling')
1376 liblzfse = not_found
1377 if not get_option('lzfse').auto() or have_block
1378 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1379 required: get_option('lzfse'))
1381 if liblzfse.found() and not cc.links('''
1383 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1384 liblzfse = not_found
1385 if get_option('lzfse').enabled()
1386 error('could not link liblzfse')
1388 warning('could not link liblzfse, disabling')
1393 if get_option('oss').allowed() and have_system
1394 if not cc.has_header('sys/soundcard.h')
1396 elif targetos == 'netbsd'
1397 oss = cc.find_library('ossaudio', required: get_option('oss'))
1399 oss = declare_dependency()
1403 if get_option('oss').enabled()
1404 error('OSS not found')
1409 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1410 if cc.has_header('dsound.h')
1411 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1414 if not dsound.found()
1415 if get_option('dsound').enabled()
1416 error('DirectSound not found')
1421 coreaudio = not_found
1422 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1423 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1424 required: get_option('coreaudio'))
1428 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1429 epoxy = dependency('epoxy', method: 'pkg-config',
1430 required: get_option('opengl'))
1431 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1433 elif get_option('opengl').enabled()
1434 error('epoxy/egl.h not found')
1438 if (have_system or have_tools) and (virgl.found() or opengl.found())
1439 gbm = dependency('gbm', method: 'pkg-config', required: false)
1441 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1444 gnutls_crypto = not_found
1445 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1446 # For general TLS support our min gnutls matches
1447 # that implied by our platform support matrix
1449 # For the crypto backends, we look for a newer
1452 # Version 3.6.8 is needed to get XTS
1453 # Version 3.6.13 is needed to get PBKDF
1454 # Version 3.6.14 is needed to get HW accelerated XTS
1456 # If newer enough gnutls isn't available, we can
1457 # still use a different crypto backend to satisfy
1458 # the platform support requirements
1459 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1460 method: 'pkg-config',
1462 if gnutls_crypto.found()
1463 gnutls = gnutls_crypto
1465 # Our min version if all we need is TLS
1466 gnutls = dependency('gnutls', version: '>=3.5.18',
1467 method: 'pkg-config',
1468 required: get_option('gnutls'))
1472 # We prefer use of gnutls for crypto, unless the options
1473 # explicitly asked for nettle or gcrypt.
1475 # If gnutls isn't available for crypto, then we'll prefer
1476 # gcrypt over nettle for performance reasons.
1482 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1483 error('Only one of gcrypt & nettle can be enabled')
1486 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1487 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1488 gnutls_crypto = not_found
1491 if not gnutls_crypto.found()
1492 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1493 gcrypt = dependency('libgcrypt', version: '>=1.8',
1494 method: 'config-tool',
1495 required: get_option('gcrypt'))
1496 # Debian has removed -lgpg-error from libgcrypt-config
1497 # as it "spreads unnecessary dependencies" which in
1498 # turn breaks static builds...
1499 if gcrypt.found() and get_option('prefer_static')
1500 gcrypt = declare_dependency(dependencies:
1502 cc.find_library('gpg-error', required: true)],
1503 version: gcrypt.version())
1506 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1507 nettle = dependency('nettle', version: '>=3.4',
1508 method: 'pkg-config',
1509 required: get_option('nettle'))
1510 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1516 gmp = dependency('gmp', required: false, method: 'pkg-config')
1517 if nettle.found() and gmp.found()
1518 hogweed = dependency('hogweed', version: '>=3.4',
1519 method: 'pkg-config',
1520 required: get_option('nettle'))
1527 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1529 if not get_option('gtk').auto() or have_system
1530 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1531 method: 'pkg-config',
1532 required: get_option('gtk'))
1534 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1535 method: 'pkg-config',
1537 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1538 version: gtk.version())
1540 if not get_option('vte').auto() or have_system
1541 vte = dependency('vte-2.91',
1542 method: 'pkg-config',
1543 required: get_option('vte'))
1545 elif have_gtk_clipboard
1546 error('GTK clipboard requested, but GTK not found')
1552 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1555 if get_option('png').allowed() and have_system
1556 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1557 method: 'pkg-config')
1562 if get_option('vnc').allowed() and have_system
1563 vnc = declare_dependency() # dummy dependency
1564 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1565 method: 'pkg-config')
1566 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1567 required: get_option('vnc_sasl'))
1569 sasl = declare_dependency(dependencies: sasl,
1570 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1575 if not get_option('auth_pam').auto() or have_system
1576 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1577 required: get_option('auth_pam'))
1579 if pam.found() and not cc.links('''
1581 #include <security/pam_appl.h>
1583 const char *service_name = "qemu";
1584 const char *user = "frank";
1585 const struct pam_conv pam_conv = { 0 };
1586 pam_handle_t *pamh = NULL;
1587 pam_start(service_name, user, &pam_conv, &pamh);
1589 }''', dependencies: pam)
1591 if get_option('auth_pam').enabled()
1592 error('could not link libpam')
1594 warning('could not link libpam, disabling')
1599 if not get_option('snappy').auto() or have_system
1600 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1601 required: get_option('snappy'))
1603 if snappy.found() and not linker.links('''
1604 #include <snappy-c.h>
1605 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1607 if get_option('snappy').enabled()
1608 error('could not link libsnappy')
1610 warning('could not link libsnappy, disabling')
1615 if not get_option('lzo').auto() or have_system
1616 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1617 required: get_option('lzo'))
1619 if lzo.found() and not cc.links('''
1620 #include <lzo/lzo1x.h>
1621 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1623 if get_option('lzo').enabled()
1624 error('could not link liblzo2')
1626 warning('could not link liblzo2, disabling')
1631 if not get_option('numa').auto() or have_system or have_tools
1632 numa = cc.find_library('numa', has_headers: ['numa.h'],
1633 required: get_option('numa'))
1635 if numa.found() and not cc.links('''
1637 int main(void) { return numa_available(); }
1638 ''', dependencies: numa)
1640 if get_option('numa').enabled()
1641 error('could not link numa')
1643 warning('could not link numa, disabling')
1648 if not get_option('rdma').auto() or have_system
1649 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1650 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1651 required: get_option('rdma')),
1652 cc.find_library('ibverbs', required: get_option('rdma')),
1654 rdma = declare_dependency(dependencies: rdma_libs)
1655 foreach lib: rdma_libs
1663 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1664 xencontrol = dependency('xencontrol', required: false,
1665 method: 'pkg-config')
1666 if xencontrol.found()
1667 xen_pc = declare_dependency(version: xencontrol.version(),
1670 # disabler: true makes xen_pc.found() return false if any is not found
1671 dependency('xenstore', required: false,
1672 method: 'pkg-config',
1674 dependency('xenforeignmemory', required: false,
1675 method: 'pkg-config',
1677 dependency('xengnttab', required: false,
1678 method: 'pkg-config',
1680 dependency('xenevtchn', required: false,
1681 method: 'pkg-config',
1683 dependency('xendevicemodel', required: false,
1684 method: 'pkg-config',
1686 # optional, no "disabler: true"
1687 dependency('xentoolcore', required: false,
1688 method: 'pkg-config')])
1694 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1696 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1697 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1698 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1699 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1700 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1701 '4.6.0': [ 'xenstore', 'xenctrl' ],
1702 '4.5.0': [ 'xenstore', 'xenctrl' ],
1703 '4.2.0': [ 'xenstore', 'xenctrl' ],
1706 foreach ver: xen_tests
1707 # cache the various library tests to avoid polluting the logs
1709 foreach l: xen_libs[ver]
1710 if l not in xen_deps
1711 xen_deps += { l: cc.find_library(l, required: false) }
1713 xen_test_deps += xen_deps[l]
1716 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1717 xen_version = ver.split('.')
1718 xen_ctrl_version = xen_version[0] + \
1719 ('0' + xen_version[1]).substring(-2) + \
1720 ('0' + xen_version[2]).substring(-2)
1721 if cc.links(files('scripts/xen-detect.c'),
1722 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1723 dependencies: xen_test_deps)
1724 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1730 accelerators += 'CONFIG_XEN'
1731 elif get_option('xen').enabled()
1732 error('could not compile and link Xen test program')
1735 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1736 .require(xen.found(),
1737 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1738 .require(targetos == 'linux',
1739 error_message: 'Xen PCI passthrough not available on this platform') \
1744 if not get_option('smartcard').auto() or have_system
1745 cacard = dependency('libcacard', required: get_option('smartcard'),
1746 version: '>=2.5.1', method: 'pkg-config')
1750 u2f = dependency('u2f-emu', required: get_option('u2f'),
1751 method: 'pkg-config')
1755 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1756 method: 'pkg-config')
1758 usbredir = not_found
1759 if not get_option('usb_redir').auto() or have_system
1760 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1761 version: '>=0.6', method: 'pkg-config')
1764 if not get_option('libusb').auto() or have_system
1765 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1766 version: '>=1.0.13', method: 'pkg-config')
1770 if not get_option('libpmem').auto() or have_system
1771 libpmem = dependency('libpmem', required: get_option('libpmem'),
1772 method: 'pkg-config')
1774 libdaxctl = not_found
1775 if not get_option('libdaxctl').auto() or have_system
1776 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1777 version: '>=57', method: 'pkg-config')
1781 tasn1 = dependency('libtasn1',
1782 method: 'pkg-config')
1784 keyutils = dependency('libkeyutils', required: false,
1785 method: 'pkg-config')
1787 has_gettid = cc.has_function('gettid')
1790 selinux = dependency('libselinux',
1791 required: get_option('selinux'),
1792 method: 'pkg-config')
1797 if get_option('malloc') == 'system'
1799 get_option('malloc_trim').allowed() and \
1800 cc.links('''#include <malloc.h>
1801 int main(void) { malloc_trim(0); return 0; }''')
1803 has_malloc_trim = false
1804 malloc = cc.find_library(get_option('malloc'), required: true)
1806 if not has_malloc_trim and get_option('malloc_trim').enabled()
1807 if get_option('malloc') == 'system'
1808 error('malloc_trim not available on this platform.')
1810 error('malloc_trim not available with non-libc memory allocator')
1814 # Check whether the glibc provides statx()
1816 gnu_source_prefix = '''
1821 statx_test = gnu_source_prefix + '''
1822 #include <sys/stat.h>
1824 struct statx statxbuf;
1825 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1829 has_statx = cc.links(statx_test)
1831 # Check whether statx() provides mount ID information
1833 statx_mnt_id_test = gnu_source_prefix + '''
1834 #include <sys/stat.h>
1836 struct statx statxbuf;
1837 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1838 return statxbuf.stx_mnt_id;
1841 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1843 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1844 .require(targetos == 'linux',
1845 error_message: 'vhost_user_blk_server requires linux') \
1846 .require(have_vhost_user,
1847 error_message: 'vhost_user_blk_server requires vhost-user support') \
1848 .disable_auto_if(not have_tools and not have_system) \
1851 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1852 error('Cannot enable fuse-lseek while fuse is disabled')
1855 fuse = dependency('fuse3', required: get_option('fuse'),
1856 version: '>=3.1', method: 'pkg-config')
1858 fuse_lseek = not_found
1859 if get_option('fuse_lseek').allowed()
1860 if fuse.version().version_compare('>=3.8')
1862 fuse_lseek = declare_dependency()
1863 elif get_option('fuse_lseek').enabled()
1865 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1867 error('fuse-lseek requires libfuse, which was not found')
1872 have_libvduse = (targetos == 'linux')
1873 if get_option('libvduse').enabled()
1874 if targetos != 'linux'
1875 error('libvduse requires linux')
1877 elif get_option('libvduse').disabled()
1878 have_libvduse = false
1881 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1882 if get_option('vduse_blk_export').enabled()
1883 if targetos != 'linux'
1884 error('vduse_blk_export requires linux')
1885 elif not have_libvduse
1886 error('vduse_blk_export requires libvduse support')
1888 elif get_option('vduse_blk_export').disabled()
1889 have_vduse_blk_export = false
1893 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1894 if libbpf.found() and not cc.links('''
1895 #include <bpf/libbpf.h>
1898 bpf_object__destroy_skeleton(NULL);
1900 }''', dependencies: libbpf)
1902 if get_option('bpf').enabled()
1903 error('libbpf skeleton test failed')
1905 warning('libbpf skeleton test failed, disabling')
1911 if not get_option('libdw').auto() or \
1912 (not get_option('prefer_static') and (have_system or have_user))
1913 libdw = dependency('libdw',
1914 method: 'pkg-config',
1915 required: get_option('libdw'))
1922 audio_drivers_selected = []
1924 audio_drivers_available = {
1925 'alsa': alsa.found(),
1926 'coreaudio': coreaudio.found(),
1927 'dsound': dsound.found(),
1928 'jack': jack.found(),
1930 'pa': pulse.found(),
1931 'pipewire': pipewire.found(),
1933 'sndio': sndio.found(),
1935 foreach k, v: audio_drivers_available
1936 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1939 # Default to native drivers first, OSS second, SDL third
1940 audio_drivers_priority = \
1941 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1942 (targetos == 'linux' ? [] : [ 'sdl' ])
1943 audio_drivers_default = []
1944 foreach k: audio_drivers_priority
1945 if audio_drivers_available[k]
1946 audio_drivers_default += k
1950 foreach k: get_option('audio_drv_list')
1952 audio_drivers_selected += audio_drivers_default
1953 elif not audio_drivers_available[k]
1954 error('Audio driver "@0@" not available.'.format(k))
1956 audio_drivers_selected += k
1960 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1961 '"' + '", "'.join(audio_drivers_selected) + '", ')
1963 if get_option('cfi')
1965 # Check for dependency on LTO
1966 if not get_option('b_lto')
1967 error('Selected Control-Flow Integrity but LTO is disabled')
1970 error('Selected Control-Flow Integrity is not compatible with modules')
1972 # Check for cfi flags. CFI requires LTO so we can't use
1973 # get_supported_arguments, but need a more complex "compiles" which allows
1975 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1976 args: ['-flto', '-fsanitize=cfi-icall'] )
1977 cfi_flags += '-fsanitize=cfi-icall'
1979 error('-fsanitize=cfi-icall is not supported by the compiler')
1981 if cc.compiles('int main () { return 0; }',
1982 name: '-fsanitize-cfi-icall-generalize-pointers',
1983 args: ['-flto', '-fsanitize=cfi-icall',
1984 '-fsanitize-cfi-icall-generalize-pointers'] )
1985 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1987 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1989 if get_option('cfi_debug')
1990 if cc.compiles('int main () { return 0; }',
1991 name: '-fno-sanitize-trap=cfi-icall',
1992 args: ['-flto', '-fsanitize=cfi-icall',
1993 '-fno-sanitize-trap=cfi-icall'] )
1994 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1996 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1999 add_global_arguments(cfi_flags, native: false, language: all_languages)
2000 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2003 have_host_block_device = (targetos != 'darwin' or
2004 cc.has_header('IOKit/storage/IOMedia.h'))
2006 dbus_display = get_option('dbus_display') \
2007 .require(gio.version().version_compare('>=2.64'),
2008 error_message: '-display dbus requires glib>=2.64') \
2009 .require(gdbus_codegen.found(),
2010 error_message: gdbus_codegen_error.format('-display dbus')) \
2011 .require(targetos != 'windows',
2012 error_message: '-display dbus is not available on Windows') \
2015 have_virtfs = get_option('virtfs') \
2016 .require(targetos == 'linux' or targetos == 'darwin',
2017 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2018 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2019 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2020 .require(targetos == 'darwin' or libattr.found(),
2021 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2022 .disable_auto_if(not have_tools and not have_system) \
2025 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2026 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2027 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2028 .disable_auto_if(not have_tools) \
2029 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2032 if get_option('block_drv_ro_whitelist') == ''
2033 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2035 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2036 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2038 if get_option('block_drv_rw_whitelist') == ''
2039 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2041 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2042 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2045 foreach k : get_option('trace_backends')
2046 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2048 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2049 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2051 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2053 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2054 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2055 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2056 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2057 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2059 qemu_firmwarepath = ''
2060 foreach k : get_option('qemu_firmwarepath')
2061 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2063 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2065 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2066 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2067 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2068 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2069 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2070 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2073 config_host_data.set('CONFIG_STAMP', run_command(
2074 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2075 meson.project_version(), get_option('pkgversion'), '--',
2076 meson.current_source_dir() / 'configure',
2077 capture: true, check: true).stdout().strip())
2080 have_slirp_smbd = get_option('slirp_smbd') \
2081 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2084 smbd_path = get_option('smbd')
2086 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2088 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2091 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2093 if get_option('module_upgrades') and not enable_modules
2094 error('Cannot enable module-upgrades as modules are not enabled')
2096 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2098 config_host_data.set('CONFIG_ATTR', libattr.found())
2099 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2100 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2101 config_host_data.set('CONFIG_COCOA', cocoa.found())
2102 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2103 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2104 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2105 config_host_data.set('CONFIG_LZO', lzo.found())
2106 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2107 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
2108 config_host_data.set('CONFIG_BLKIO', blkio.found())
2109 config_host_data.set('CONFIG_CURL', curl.found())
2110 config_host_data.set('CONFIG_CURSES', curses.found())
2111 config_host_data.set('CONFIG_GBM', gbm.found())
2112 config_host_data.set('CONFIG_GIO', gio.found())
2113 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2114 if glusterfs.found()
2115 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2116 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2117 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2118 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2119 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2120 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2122 config_host_data.set('CONFIG_GTK', gtk.found())
2123 config_host_data.set('CONFIG_VTE', vte.found())
2124 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2125 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2126 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2127 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2128 config_host_data.set('CONFIG_EBPF', libbpf.found())
2129 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2130 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2131 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2132 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2133 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2134 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2135 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2136 config_host_data.set('CONFIG_MODULES', enable_modules)
2137 config_host_data.set('CONFIG_NUMA', numa.found())
2139 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2140 cc.has_function('numa_has_preferred_many',
2141 dependencies: numa))
2143 config_host_data.set('CONFIG_OPENGL', opengl.found())
2144 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2145 config_host_data.set('CONFIG_RBD', rbd.found())
2146 config_host_data.set('CONFIG_RDMA', rdma.found())
2147 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2148 config_host_data.set('CONFIG_SDL', sdl.found())
2149 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2150 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2152 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2154 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2155 config_host_data.set('CONFIG_TPM', have_tpm)
2156 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2157 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2158 config_host_data.set('CONFIG_VDE', vde.found())
2159 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2160 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2161 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2162 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2163 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2164 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2165 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2166 config_host_data.set('CONFIG_VMNET', vmnet.found())
2167 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2168 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2169 config_host_data.set('CONFIG_PNG', png.found())
2170 config_host_data.set('CONFIG_VNC', vnc.found())
2171 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2172 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2173 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2174 config_host_data.set('CONFIG_VTE', vte.found())
2175 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2176 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2177 config_host_data.set('CONFIG_GETTID', has_gettid)
2178 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2179 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2180 config_host_data.set('CONFIG_TASN1', tasn1.found())
2181 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2182 config_host_data.set('CONFIG_NETTLE', nettle.found())
2183 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2184 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2185 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2186 config_host_data.set('CONFIG_STATX', has_statx)
2187 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2188 config_host_data.set('CONFIG_ZSTD', zstd.found())
2189 config_host_data.set('CONFIG_FUSE', fuse.found())
2190 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2191 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2192 if spice_protocol.found()
2193 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2194 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2195 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2197 config_host_data.set('CONFIG_SPICE', spice.found())
2198 config_host_data.set('CONFIG_X11', x11.found())
2199 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2200 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2201 config_host_data.set('CONFIG_SELINUX', selinux.found())
2202 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2203 config_host_data.set('CONFIG_LIBDW', libdw.found())
2205 # protect from xen.version() having less than three components
2206 xen_version = xen.version().split('.') + ['0', '0']
2207 xen_ctrl_version = xen_version[0] + \
2208 ('0' + xen_version[1]).substring(-2) + \
2209 ('0' + xen_version[2]).substring(-2)
2210 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2212 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2213 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2214 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2215 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2217 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2218 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2220 have_coroutine_pool = get_option('coroutine_pool')
2221 if get_option('debug_stack_usage') and have_coroutine_pool
2222 message('Disabling coroutine pool to measure stack usage')
2223 have_coroutine_pool = false
2225 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2226 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2227 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2228 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2229 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2230 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2231 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2232 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2235 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2236 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2237 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2238 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2239 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2240 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2241 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2242 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2243 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2244 if targetos == 'windows'
2245 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2249 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2250 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2251 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2252 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2253 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2254 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2255 # Note that we need to specify prefix: here to avoid incorrectly
2256 # thinking that Windows has posix_memalign()
2257 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2258 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2259 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2260 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2261 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2262 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2263 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2264 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2265 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2266 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2267 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2268 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2269 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2270 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2271 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2272 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2273 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2274 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2276 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2277 cc.has_function('rbd_namespace_exists',
2279 prefix: '#include <rbd/librbd.h>'))
2282 config_host_data.set('HAVE_IBV_ADVISE_MR',
2283 cc.has_function('ibv_advise_mr',
2285 prefix: '#include <infiniband/verbs.h>'))
2288 have_asan_fiber = false
2289 if get_option('sanitizers') and \
2290 not cc.has_function('__sanitizer_start_switch_fiber',
2291 args: '-fsanitize=address',
2292 prefix: '#include <sanitizer/asan_interface.h>')
2293 warning('Missing ASAN due to missing fiber annotation interface')
2294 warning('Without code annotation, the report may be inferior.')
2296 have_asan_fiber = true
2298 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2301 config_host_data.set('CONFIG_BLKZONED',
2302 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2303 config_host_data.set('CONFIG_EPOLL_CREATE1',
2304 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2305 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2306 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2307 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2308 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2309 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2310 config_host_data.set('CONFIG_FIEMAP',
2311 cc.has_header('linux/fiemap.h') and
2312 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2313 config_host_data.set('CONFIG_GETRANDOM',
2314 cc.has_function('getrandom') and
2315 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2316 config_host_data.set('CONFIG_INOTIFY',
2317 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2318 config_host_data.set('CONFIG_INOTIFY1',
2319 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2320 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2321 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2322 config_host_data.set('CONFIG_RTNETLINK',
2323 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2324 config_host_data.set('CONFIG_SYSMACROS',
2325 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2326 config_host_data.set('HAVE_OPTRESET',
2327 cc.has_header_symbol('getopt.h', 'optreset'))
2328 config_host_data.set('HAVE_IPPROTO_MPTCP',
2329 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2332 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2333 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2334 prefix: '#include <signal.h>'))
2335 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2336 cc.has_member('struct stat', 'st_atim',
2337 prefix: '#include <sys/stat.h>'))
2338 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2339 cc.has_member('struct blk_zone', 'capacity',
2340 prefix: '#include <linux/blkzoned.h>'))
2343 config_host_data.set('CONFIG_IOVEC',
2344 cc.has_type('struct iovec',
2345 prefix: '#include <sys/uio.h>'))
2346 config_host_data.set('HAVE_UTMPX',
2347 cc.has_type('struct utmpx',
2348 prefix: '#include <utmpx.h>'))
2350 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2351 #include <sys/eventfd.h>
2352 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2353 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2356 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2357 return fdatasync(0);
2359 #error Not supported
2363 has_madvise = cc.links(gnu_source_prefix + '''
2364 #include <sys/types.h>
2365 #include <sys/mman.h>
2367 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2368 missing_madvise_proto = false
2370 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2371 # but forget to prototype it. In this case, has_madvise will be true (the
2372 # test program links despite a compile warning). To detect the
2373 # missing-prototype case, we try again with a definitely-bogus prototype.
2374 # This will only compile if the system headers don't provide the prototype;
2375 # otherwise the conflicting prototypes will cause a compiler error.
2376 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2377 #include <sys/types.h>
2378 #include <sys/mman.h>
2380 extern int madvise(int);
2381 int main(void) { return madvise(0); }''')
2383 config_host_data.set('CONFIG_MADVISE', has_madvise)
2384 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2386 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2387 #include <sys/mman.h>
2388 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2389 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2391 #if !defined(AT_EMPTY_PATH)
2392 # error missing definition
2394 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2396 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2397 #include <sys/mman.h>
2399 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2401 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2402 #include <pthread.h>
2404 static void *f(void *p) { return NULL; }
2408 pthread_create(&thread, 0, f, 0);
2409 pthread_setname_np(thread, "QEMU");
2411 }''', dependencies: threads))
2412 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2413 #include <pthread.h>
2415 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2419 pthread_create(&thread, 0, f, 0);
2421 }''', dependencies: threads))
2422 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2423 #include <pthread.h>
2424 #include <pthread_np.h>
2426 static void *f(void *p) { return NULL; }
2430 pthread_create(&thread, 0, f, 0);
2431 pthread_set_name_np(thread, "QEMU");
2433 }''', dependencies: threads))
2434 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2435 #include <pthread.h>
2440 pthread_condattr_t attr
2441 pthread_condattr_init(&attr);
2442 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2444 }''', dependencies: threads))
2445 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2446 #include <pthread.h>
2448 static void *f(void *p) { return NULL; }
2451 int setsize = CPU_ALLOC_SIZE(64);
2454 pthread_create(&thread, 0, f, 0);
2455 cpuset = CPU_ALLOC(64);
2456 CPU_ZERO_S(setsize, cpuset);
2457 pthread_setaffinity_np(thread, setsize, cpuset);
2458 pthread_getaffinity_np(thread, setsize, cpuset);
2461 }''', dependencies: threads))
2462 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2463 #include <sys/signalfd.h>
2465 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2466 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2474 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2475 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2479 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2480 #include <sys/mman.h>
2482 return mlockall(MCL_FUTURE);
2486 if get_option('l2tpv3').allowed() and have_system
2487 have_l2tpv3 = cc.has_type('struct mmsghdr',
2488 prefix: gnu_source_prefix + '''
2489 #include <sys/socket.h>
2490 #include <linux/ip.h>''')
2492 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2495 if get_option('netmap').allowed() and have_system
2496 have_netmap = cc.compiles('''
2497 #include <inttypes.h>
2499 #include <net/netmap.h>
2500 #include <net/netmap_user.h>
2501 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2504 int main(void) { return 0; }''')
2505 if not have_netmap and get_option('netmap').enabled()
2506 error('Netmap headers not available')
2509 config_host_data.set('CONFIG_NETMAP', have_netmap)
2511 # Work around a system header bug with some kernel/XFS header
2512 # versions where they both try to define 'struct fsxattr':
2513 # xfs headers will not try to redefine structs from linux headers
2514 # if this macro is set.
2515 config_host_data.set('HAVE_FSXATTR', cc.links('''
2516 #include <linux/fs.h>
2522 # Some versions of Mac OS X incorrectly define SIZE_MAX
2523 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2527 return printf("%zu", SIZE_MAX);
2528 }''', args: ['-Werror']))
2530 # See if 64-bit atomic operations are supported.
2531 # Note that without __atomic builtins, we can only
2532 # assume atomic loads/stores max at pointer size.
2533 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2537 uint64_t x = 0, y = 0;
2538 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2539 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2540 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2541 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2542 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2546 has_int128_type = cc.compiles('''
2549 int main(void) { b = a; }''')
2550 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2552 has_int128 = has_int128_type and cc.links('''
2561 config_host_data.set('CONFIG_INT128', has_int128)
2564 # "do we have 128-bit atomics which are handled inline and specifically not
2565 # via libatomic". The reason we can't use libatomic is documented in the
2566 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2567 # We only care about these operations on 16-byte aligned pointers, so
2568 # force 16-byte alignment of the pointer, which may be greater than
2569 # __alignof(unsigned __int128) for the host.
2570 atomic_test_128 = '''
2571 int main(int ac, char **av) {
2572 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2573 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2574 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2575 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2578 has_atomic128 = cc.links(atomic_test_128)
2580 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2582 if not has_atomic128
2583 # Even with __builtin_assume_aligned, the above test may have failed
2584 # without optimization enabled. Try again with optimizations locally
2585 # enabled for the function. See
2586 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2587 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2588 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2590 if not has_atomic128_opt
2591 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2594 __uint128_t x = 0, y = 0;
2595 __sync_val_compare_and_swap_16(&x, y, x);
2603 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2604 #include <sys/auxv.h>
2606 return getauxval(AT_HWCAP) == 0;
2609 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2610 #include <linux/usbdevice_fs.h>
2612 #ifndef USBDEVFS_GET_CAPABILITIES
2613 #error "USBDEVFS_GET_CAPABILITIES undefined"
2616 #ifndef USBDEVFS_DISCONNECT_CLAIM
2617 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2620 int main(void) { return 0; }'''))
2622 have_keyring = get_option('keyring') \
2623 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2624 .require(cc.compiles('''
2626 #include <asm/unistd.h>
2627 #include <linux/keyctl.h>
2628 #include <sys/syscall.h>
2631 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2632 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2633 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2635 have_cpuid_h = cc.links('''
2638 unsigned a, b, c, d;
2639 unsigned max = __get_cpuid_max(0, 0);
2642 __cpuid(1, a, b, c, d);
2646 __cpuid_count(7, 0, a, b, c, d);
2651 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2653 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2654 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2655 .require(cc.links('''
2657 #include <immintrin.h>
2658 static int __attribute__((target("avx2"))) bar(void *a) {
2659 __m256i x = *(__m256i *)a;
2660 return _mm256_testz_si256(x, x);
2662 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2663 '''), error_message: 'AVX2 not available').allowed())
2665 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2666 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2667 .require(cc.links('''
2669 #include <immintrin.h>
2670 static int __attribute__((target("avx512f"))) bar(void *a) {
2671 __m512i x = *(__m512i *)a;
2672 return _mm512_test_epi64_mask(x, x);
2674 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2675 '''), error_message: 'AVX512F not available').allowed())
2677 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2678 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2679 .require(cc.links('''
2681 #include <immintrin.h>
2682 static int __attribute__((target("avx512bw"))) bar(void *a) {
2684 __m512i res= _mm512_abs_epi8(*x);
2687 int main(int argc, char *argv[]) { return bar(argv[0]); }
2688 '''), error_message: 'AVX512BW not available').allowed())
2690 have_pvrdma = get_option('pvrdma') \
2691 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2692 .require(cc.compiles(gnu_source_prefix + '''
2693 #include <sys/mman.h>
2698 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2701 }'''), error_message: 'PVRDMA requires mremap').allowed()
2704 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2705 #include <infiniband/verbs.h>
2709 struct ibv_pd *pd = NULL;
2715 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2721 if get_option('membarrier').disabled()
2722 have_membarrier = false
2723 elif targetos == 'windows'
2724 have_membarrier = true
2725 elif targetos == 'linux'
2726 have_membarrier = cc.compiles('''
2727 #include <linux/membarrier.h>
2728 #include <sys/syscall.h>
2732 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2733 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2737 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2738 .require(have_membarrier, error_message: 'membarrier system call not available') \
2741 have_afalg = get_option('crypto_afalg') \
2742 .require(cc.compiles(gnu_source_prefix + '''
2744 #include <sys/types.h>
2745 #include <sys/socket.h>
2746 #include <linux/if_alg.h>
2749 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2752 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2753 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2755 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2756 'linux/vm_sockets.h', 'AF_VSOCK',
2757 prefix: '#include <sys/socket.h>',
2761 have_vss_sdk = false # old xp/2003 SDK
2762 if targetos == 'windows' and link_language == 'cpp'
2763 have_vss = cxx.compiles('''
2764 #define __MIDL_user_allocate_free_DEFINED__
2766 int main(void) { return VSS_CTX_BACKUP; }''')
2767 have_vss_sdk = cxx.has_header('vscoordint.h')
2769 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2771 foreach k, v: config_host
2772 if k.startswith('CONFIG_')
2773 config_host_data.set(k, v == 'y' ? 1 : v)
2777 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2778 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2779 if targetos == 'windows'
2780 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2786 }''', name: '_lock_file and _unlock_file'))
2789 if targetos == 'windows'
2790 mingw_has_setjmp_longjmp = cc.links('''
2794 * These functions are not available in setjmp header, but may be
2795 * available at link time, from libmingwex.a.
2797 extern int __mingw_setjmp(jmp_buf);
2798 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2800 __mingw_setjmp(env);
2801 __mingw_longjmp(env, 0);
2803 ''', name: 'mingw setjmp and longjmp')
2805 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2806 error('mingw must provide setjmp/longjmp for windows-arm64')
2810 ########################
2811 # Target configuration #
2812 ########################
2814 minikconf = find_program('scripts/minikconf.py')
2816 config_all_devices = {}
2817 config_all_disas = {}
2818 config_devices_mak_list = []
2819 config_devices_h = {}
2820 config_target_h = {}
2821 config_target_mak = {}
2824 'alpha' : ['CONFIG_ALPHA_DIS'],
2825 'avr' : ['CONFIG_AVR_DIS'],
2826 'cris' : ['CONFIG_CRIS_DIS'],
2827 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2828 'hppa' : ['CONFIG_HPPA_DIS'],
2829 'i386' : ['CONFIG_I386_DIS'],
2830 'x86_64' : ['CONFIG_I386_DIS'],
2831 'm68k' : ['CONFIG_M68K_DIS'],
2832 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2833 'mips' : ['CONFIG_MIPS_DIS'],
2834 'nios2' : ['CONFIG_NIOS2_DIS'],
2835 'or1k' : ['CONFIG_OPENRISC_DIS'],
2836 'ppc' : ['CONFIG_PPC_DIS'],
2837 'riscv' : ['CONFIG_RISCV_DIS'],
2838 'rx' : ['CONFIG_RX_DIS'],
2839 's390' : ['CONFIG_S390_DIS'],
2840 'sh4' : ['CONFIG_SH4_DIS'],
2841 'sparc' : ['CONFIG_SPARC_DIS'],
2842 'xtensa' : ['CONFIG_XTENSA_DIS'],
2843 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2846 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2848 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2849 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2850 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2851 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2852 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2853 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2854 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2855 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2856 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2857 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2858 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2859 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2860 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2861 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2863 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2865 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2866 actual_target_dirs = []
2868 foreach target : target_dirs
2869 config_target = { 'TARGET_NAME': target.split('-')[0] }
2870 if target.endswith('linux-user')
2871 if targetos != 'linux'
2875 error('Target @0@ is only available on a Linux host'.format(target))
2877 config_target += { 'CONFIG_LINUX_USER': 'y' }
2878 elif target.endswith('bsd-user')
2879 if 'CONFIG_BSD' not in config_host
2883 error('Target @0@ is only available on a BSD host'.format(target))
2885 config_target += { 'CONFIG_BSD_USER': 'y' }
2886 elif target.endswith('softmmu')
2887 config_target += { 'CONFIG_SOFTMMU': 'y' }
2889 if target.endswith('-user')
2891 'CONFIG_USER_ONLY': 'y',
2892 'CONFIG_QEMU_INTERP_PREFIX':
2893 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2898 foreach sym: accelerators
2899 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2900 config_target += { sym: 'y' }
2901 config_all += { sym: 'y' }
2902 if target in modular_tcg
2903 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2905 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2907 accel_kconfig += [ sym + '=y' ]
2910 if accel_kconfig.length() == 0
2914 error('No accelerator available for target @0@'.format(target))
2917 actual_target_dirs += target
2918 config_target += keyval.load('configs/targets' / target + '.mak')
2919 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2921 if 'TARGET_NEED_FDT' in config_target
2922 fdt_required += target
2926 if 'TARGET_BASE_ARCH' not in config_target
2927 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2929 if 'TARGET_ABI_DIR' not in config_target
2930 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2932 if 'TARGET_BIG_ENDIAN' not in config_target
2933 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2936 foreach k, v: disassemblers
2937 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2939 config_target += { sym: 'y' }
2940 config_all_disas += { sym: 'y' }
2945 config_target_data = configuration_data()
2946 foreach k, v: config_target
2947 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2949 elif ignored.contains(k)
2951 elif k == 'TARGET_BASE_ARCH'
2952 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2953 # not used to select files from sourcesets.
2954 config_target_data.set('TARGET_' + v.to_upper(), 1)
2955 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2956 config_target_data.set_quoted(k, v)
2958 config_target_data.set(k, 1)
2960 config_target_data.set(k, 0)
2962 config_target_data.set(k, v)
2965 config_target_data.set('QEMU_ARCH',
2966 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2967 config_target_h += {target: configure_file(output: target + '-config-target.h',
2968 configuration: config_target_data)}
2970 if target.endswith('-softmmu')
2971 config_input = meson.get_external_property(target, 'default')
2972 config_devices_mak = target + '-config-devices.mak'
2973 config_devices_mak = configure_file(
2974 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2975 output: config_devices_mak,
2976 depfile: config_devices_mak + '.d',
2978 command: [minikconf,
2979 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2980 config_devices_mak, '@DEPFILE@', '@INPUT@',
2981 host_kconfig, accel_kconfig,
2982 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2984 config_devices_data = configuration_data()
2985 config_devices = keyval.load(config_devices_mak)
2986 foreach k, v: config_devices
2987 config_devices_data.set(k, 1)
2989 config_devices_mak_list += config_devices_mak
2990 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2991 configuration: config_devices_data)}
2992 config_target += config_devices
2993 config_all_devices += config_devices
2995 config_target_mak += {target: config_target}
2997 target_dirs = actual_target_dirs
2999 # This configuration is used to build files that are shared by
3000 # multiple binaries, and then extracted out of the "common"
3001 # static_library target.
3003 # We do not use all_sources()/all_dependencies(), because it would
3004 # build literally all source files, including devices only used by
3005 # targets that are not built for this compilation. The CONFIG_ALL
3006 # pseudo symbol replaces it.
3008 config_all += config_all_devices
3009 config_all += config_host
3010 config_all += config_all_disas
3012 'CONFIG_XEN': xen.found(),
3013 'CONFIG_SOFTMMU': have_system,
3014 'CONFIG_USER_ONLY': have_user,
3018 target_configs_h = []
3019 foreach target: target_dirs
3020 target_configs_h += config_target_h[target]
3021 target_configs_h += config_devices_h.get(target, [])
3023 genh += custom_target('config-poison.h',
3024 input: [target_configs_h],
3025 output: 'config-poison.h',
3027 command: [find_program('scripts/make-config-poison.sh'),
3034 capstone = not_found
3035 if not get_option('capstone').auto() or have_system or have_user
3036 capstone = dependency('capstone', version: '>=3.0.5',
3037 method: 'pkg-config',
3038 required: get_option('capstone'))
3040 # Some versions of capstone have broken pkg-config file
3041 # that reports a wrong -I path, causing the #include to
3042 # fail later. If the system has such a broken version
3044 if capstone.found() and not cc.compiles('#include <capstone.h>',
3045 dependencies: [capstone])
3046 capstone = not_found
3047 if get_option('capstone').enabled()
3048 error('capstone requested, but it does not appear to work')
3053 libvfio_user_dep = not_found
3054 if have_system and vfio_user_server_allowed
3055 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
3057 if not have_internal
3058 error('libvfio-user source not found - please pull git submodule')
3061 libvfio_user_proj = subproject('libvfio-user')
3063 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3067 fdt_opt = get_option('fdt')
3068 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3069 if fdt_opt == 'disabled'
3070 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3073 if fdt_opt in ['enabled', 'auto', 'system']
3074 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3075 if fdt.found() and cc.links('''
3077 #include <libfdt_env.h>
3078 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3081 elif fdt_opt == 'system'
3082 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3084 fdt_opt = 'internal'
3089 assert(fdt_opt == 'internal')
3090 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/dtc/meson.build')
3092 if not have_internal
3093 error('libfdt source not found - please pull git submodule')
3096 libfdt_proj = subproject('dtc', required: true,
3097 default_options: ['tools=false', 'yaml=disabled',
3098 'python=disabled', 'default_library=static'])
3099 fdt = libfdt_proj.get_variable('libfdt_dep')
3102 fdt_opt = 'disabled'
3105 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3106 config_host_data.set('CONFIG_FDT', fdt.found())
3107 config_host_data.set('CONFIG_SLIRP', slirp.found())
3109 #####################
3110 # Generated sources #
3111 #####################
3113 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3115 hxtool = find_program('scripts/hxtool')
3116 shaderinclude = find_program('scripts/shaderinclude.py')
3117 qapi_gen = find_program('scripts/qapi-gen.py')
3118 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3119 meson.current_source_dir() / 'scripts/qapi/commands.py',
3120 meson.current_source_dir() / 'scripts/qapi/common.py',
3121 meson.current_source_dir() / 'scripts/qapi/error.py',
3122 meson.current_source_dir() / 'scripts/qapi/events.py',
3123 meson.current_source_dir() / 'scripts/qapi/expr.py',
3124 meson.current_source_dir() / 'scripts/qapi/gen.py',
3125 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3126 meson.current_source_dir() / 'scripts/qapi/main.py',
3127 meson.current_source_dir() / 'scripts/qapi/parser.py',
3128 meson.current_source_dir() / 'scripts/qapi/schema.py',
3129 meson.current_source_dir() / 'scripts/qapi/source.py',
3130 meson.current_source_dir() / 'scripts/qapi/types.py',
3131 meson.current_source_dir() / 'scripts/qapi/visit.py',
3132 meson.current_source_dir() / 'scripts/qapi-gen.py'
3136 python, files('scripts/tracetool.py'),
3137 '--backend=' + ','.join(get_option('trace_backends'))
3139 tracetool_depends = files(
3140 'scripts/tracetool/backend/log.py',
3141 'scripts/tracetool/backend/__init__.py',
3142 'scripts/tracetool/backend/dtrace.py',
3143 'scripts/tracetool/backend/ftrace.py',
3144 'scripts/tracetool/backend/simple.py',
3145 'scripts/tracetool/backend/syslog.py',
3146 'scripts/tracetool/backend/ust.py',
3147 'scripts/tracetool/format/ust_events_c.py',
3148 'scripts/tracetool/format/ust_events_h.py',
3149 'scripts/tracetool/format/__init__.py',
3150 'scripts/tracetool/format/d.py',
3151 'scripts/tracetool/format/simpletrace_stap.py',
3152 'scripts/tracetool/format/c.py',
3153 'scripts/tracetool/format/h.py',
3154 'scripts/tracetool/format/log_stap.py',
3155 'scripts/tracetool/format/stap.py',
3156 'scripts/tracetool/__init__.py',
3157 'scripts/tracetool/vcpu.py'
3160 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3161 meson.current_source_dir(),
3162 get_option('pkgversion'), meson.project_version()]
3163 qemu_version = custom_target('qemu-version.h',
3164 output: 'qemu-version.h',
3165 command: qemu_version_cmd,
3167 build_by_default: true,
3168 build_always_stale: true)
3169 genh += qemu_version
3173 ['qemu-options.hx', 'qemu-options.def'],
3174 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3178 ['hmp-commands.hx', 'hmp-commands.h'],
3179 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3182 foreach d : hx_headers
3183 hxdep += custom_target(d[1],
3187 build_by_default: true, # to be removed when added to a target
3188 command: [hxtool, '-h', '@INPUT0@'])
3196 authz_ss = ss.source_set()
3197 blockdev_ss = ss.source_set()
3198 block_ss = ss.source_set()
3199 chardev_ss = ss.source_set()
3200 common_ss = ss.source_set()
3201 crypto_ss = ss.source_set()
3202 hwcore_ss = ss.source_set()
3203 io_ss = ss.source_set()
3204 qmp_ss = ss.source_set()
3205 qom_ss = ss.source_set()
3206 softmmu_ss = ss.source_set()
3207 specific_fuzz_ss = ss.source_set()
3208 specific_ss = ss.source_set()
3209 stub_ss = ss.source_set()
3210 trace_ss = ss.source_set()
3211 user_ss = ss.source_set()
3212 util_ss = ss.source_set()
3215 qtest_module_ss = ss.source_set()
3216 tcg_module_ss = ss.source_set()
3222 target_softmmu_arch = {}
3223 target_user_arch = {}
3229 # TODO: add each directory to the subdirs from its own meson.build, once
3231 trace_events_subdirs = [
3240 trace_events_subdirs += [ 'linux-user' ]
3243 trace_events_subdirs += [ 'bsd-user' ]
3246 trace_events_subdirs += [
3255 trace_events_subdirs += [
3269 'hw/block/dataplane',
3319 if have_system or have_user
3320 trace_events_subdirs += [
3338 vhost_user = not_found
3339 if targetos == 'linux' and have_vhost_user
3340 libvhost_user = subproject('libvhost-user')
3341 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3344 libvduse = not_found
3346 libvduse_proj = subproject('libvduse')
3347 libvduse = libvduse_proj.get_variable('libvduse_dep')
3350 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3351 # that is filled in by qapi/.
3365 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3366 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3369 qom_ss = qom_ss.apply(config_host, strict: false)
3370 libqom = static_library('qom', qom_ss.sources() + genh,
3371 dependencies: [qom_ss.dependencies()],
3373 qom = declare_dependency(link_whole: libqom)
3375 event_loop_base = files('event-loop-base.c')
3376 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3377 build_by_default: true)
3378 event_loop_base = declare_dependency(link_whole: event_loop_base,
3379 dependencies: [qom])
3381 stub_ss = stub_ss.apply(config_all, strict: false)
3383 util_ss.add_all(trace_ss)
3384 util_ss = util_ss.apply(config_all, strict: false)
3385 libqemuutil = static_library('qemuutil',
3386 sources: util_ss.sources() + stub_ss.sources() + genh,
3387 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3388 qemuutil = declare_dependency(link_with: libqemuutil,
3389 sources: genh + version_res,
3390 dependencies: [event_loop_base])
3392 if have_system or have_user
3393 decodetree = generator(find_program('scripts/decodetree.py'),
3394 output: 'decode-@BASENAME@.c.inc',
3395 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3396 subdir('libdecnumber')
3413 if config_host_data.get('CONFIG_REPLICATION')
3414 block_ss.add(files('replication.c'))
3421 blockdev_ss.add(files(
3428 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3429 # os-win32.c does not
3430 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3431 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3434 common_ss.add(files('cpus-common.c'))
3435 specific_ss.add(files('cpu.c'))
3439 # Work around a gcc bug/misfeature wherein constant propagation looks
3441 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3442 # to guess that a const variable is always zero. Without lto, this is
3443 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3444 # without lto, not even the alias is required -- we simply use different
3445 # declarations in different compilation units.
3446 pagevary = files('page-vary-common.c')
3447 if get_option('b_lto')
3448 pagevary_flags = ['-fno-lto']
3449 if get_option('cfi')
3450 pagevary_flags += '-fno-sanitize=cfi-icall'
3452 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3453 c_args: pagevary_flags)
3454 pagevary = declare_dependency(link_with: pagevary)
3456 common_ss.add(pagevary)
3457 specific_ss.add(files('page-vary.c'))
3465 subdir('semihosting')
3473 common_user_inc = []
3475 subdir('common-user')
3477 subdir('linux-user')
3479 # needed for fuzzing binaries
3480 subdir('tests/qtest/libqos')
3481 subdir('tests/qtest/fuzz')
3484 tcg_real_module_ss = ss.source_set()
3485 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3486 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3487 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3488 'tcg': tcg_real_module_ss }}
3490 ########################
3491 # Library dependencies #
3492 ########################
3494 modinfo_collect = find_program('scripts/modinfo-collect.py')
3495 modinfo_generate = find_program('scripts/modinfo-generate.py')
3500 foreach d, list : modules
3501 if not (d == 'block' ? have_block : have_system)
3505 foreach m, module_ss : list
3507 module_ss = module_ss.apply(config_all, strict: false)
3508 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3509 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3515 if module_ss.sources() != []
3516 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3517 # input. Sources can be used multiple times but objects are
3518 # unique when it comes to lookup in compile_commands.json.
3519 # Depnds on a mesion version with
3520 # https://github.com/mesonbuild/meson/pull/8900
3521 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3522 output: d + '-' + m + '.modinfo',
3523 input: module_ss.sources() + genh,
3525 command: [modinfo_collect, module_ss.sources()])
3529 block_ss.add_all(module_ss)
3531 softmmu_ss.add_all(module_ss)
3537 foreach d, list : target_modules
3538 foreach m, module_ss : list
3540 foreach target : target_dirs
3541 if target.endswith('-softmmu')
3542 config_target = config_target_mak[target]
3543 config_target += config_host
3544 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3545 c_args = ['-DNEED_CPU_H',
3546 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3547 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3548 target_module_ss = module_ss.apply(config_target, strict: false)
3549 if target_module_ss.sources() != []
3550 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3551 sl = static_library(module_name,
3552 [genh, target_module_ss.sources()],
3553 dependencies: [modulecommon, target_module_ss.dependencies()],
3554 include_directories: target_inc,
3558 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3559 modinfo_files += custom_target(module_name + '.modinfo',
3560 output: module_name + '.modinfo',
3561 input: target_module_ss.sources() + genh,
3563 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3568 specific_ss.add_all(module_ss)
3574 foreach target : target_dirs
3575 if target.endswith('-softmmu')
3576 config_target = config_target_mak[target]
3577 config_devices_mak = target + '-config-devices.mak'
3578 modinfo_src = custom_target('modinfo-' + target + '.c',
3579 output: 'modinfo-' + target + '.c',
3580 input: modinfo_files,
3581 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3584 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3585 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3587 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3588 hw_arch[arch].add(modinfo_dep)
3593 nm = find_program('nm')
3594 undefsym = find_program('scripts/undefsym.py')
3595 block_syms = custom_target('block.syms', output: 'block.syms',
3596 input: [libqemuutil, block_mods],
3598 command: [undefsym, nm, '@INPUT@'])
3599 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3600 input: [libqemuutil, softmmu_mods],
3602 command: [undefsym, nm, '@INPUT@'])
3604 authz_ss = authz_ss.apply(config_host, strict: false)
3605 libauthz = static_library('authz', authz_ss.sources() + genh,
3606 dependencies: [authz_ss.dependencies()],
3608 build_by_default: false)
3610 authz = declare_dependency(link_whole: libauthz,
3613 crypto_ss = crypto_ss.apply(config_host, strict: false)
3614 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3615 dependencies: [crypto_ss.dependencies()],
3617 build_by_default: false)
3619 crypto = declare_dependency(link_whole: libcrypto,
3620 dependencies: [authz, qom])
3622 io_ss = io_ss.apply(config_host, strict: false)
3623 libio = static_library('io', io_ss.sources() + genh,
3624 dependencies: [io_ss.dependencies()],
3625 link_with: libqemuutil,
3627 build_by_default: false)
3629 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3631 libmigration = static_library('migration', sources: migration_files + genh,
3633 build_by_default: false)
3634 migration = declare_dependency(link_with: libmigration,
3635 dependencies: [zlib, qom, io])
3636 softmmu_ss.add(migration)
3638 block_ss = block_ss.apply(config_host, strict: false)
3639 libblock = static_library('block', block_ss.sources() + genh,
3640 dependencies: block_ss.dependencies(),
3641 link_depends: block_syms,
3643 build_by_default: false)
3645 block = declare_dependency(link_whole: [libblock],
3646 link_args: '@block.syms',
3647 dependencies: [crypto, io])
3649 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3650 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3651 dependencies: blockdev_ss.dependencies(),
3653 build_by_default: false)
3655 blockdev = declare_dependency(link_whole: [libblockdev],
3656 dependencies: [block, event_loop_base])
3658 qmp_ss = qmp_ss.apply(config_host, strict: false)
3659 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3660 dependencies: qmp_ss.dependencies(),
3662 build_by_default: false)
3664 qmp = declare_dependency(link_whole: [libqmp])
3666 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3668 dependencies: chardev_ss.dependencies(),
3669 build_by_default: false)
3671 chardev = declare_dependency(link_whole: libchardev)
3673 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3674 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3676 build_by_default: false)
3677 hwcore = declare_dependency(link_whole: libhwcore)
3678 common_ss.add(hwcore)
3684 emulator_modules = []
3685 foreach m : block_mods + softmmu_mods
3686 emulator_modules += shared_module(m.name(),
3687 build_by_default: true,
3691 install_dir: qemu_moddir)
3693 if emulator_modules.length() > 0
3694 alias_target('modules', emulator_modules)
3697 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3698 common_ss.add(qom, qemuutil)
3700 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3701 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3703 common_all = common_ss.apply(config_all, strict: false)
3704 common_all = static_library('common',
3705 build_by_default: false,
3706 sources: common_all.sources() + genh,
3707 include_directories: common_user_inc,
3708 implicit_include_directories: false,
3709 dependencies: common_all.dependencies(),
3712 feature_to_c = find_program('scripts/feature_to_c.sh')
3714 if targetos == 'darwin'
3715 entitlement = find_program('scripts/entitlement.sh')
3719 foreach target : target_dirs
3720 config_target = config_target_mak[target]
3721 target_name = config_target['TARGET_NAME']
3722 target_base_arch = config_target['TARGET_BASE_ARCH']
3723 arch_srcs = [config_target_h[target]]
3725 c_args = ['-DNEED_CPU_H',
3726 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3727 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3728 link_args = emulator_link_args
3730 config_target += config_host
3731 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3732 if targetos == 'linux'
3733 target_inc += include_directories('linux-headers', is_system: true)
3735 if target.endswith('-softmmu')
3736 target_type='system'
3737 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3738 arch_srcs += t.sources()
3739 arch_deps += t.dependencies()
3741 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3742 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3743 arch_srcs += hw.sources()
3744 arch_deps += hw.dependencies()
3746 arch_srcs += config_devices_h[target]
3747 link_args += ['@block.syms', '@qemu.syms']
3749 abi = config_target['TARGET_ABI_DIR']
3751 target_inc += common_user_inc
3752 if target_base_arch in target_user_arch
3753 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3754 arch_srcs += t.sources()
3755 arch_deps += t.dependencies()
3757 if 'CONFIG_LINUX_USER' in config_target
3758 base_dir = 'linux-user'
3760 if 'CONFIG_BSD_USER' in config_target
3761 base_dir = 'bsd-user'
3762 target_inc += include_directories('bsd-user/' / targetos)
3763 target_inc += include_directories('bsd-user/host/' / host_arch)
3764 dir = base_dir / abi
3765 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3767 target_inc += include_directories(
3771 if 'CONFIG_LINUX_USER' in config_target
3772 dir = base_dir / abi
3773 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3774 if config_target.has_key('TARGET_SYSTBL_ABI')
3776 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3777 extra_args : config_target['TARGET_SYSTBL_ABI'])
3782 if 'TARGET_XML_FILES' in config_target
3783 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3784 output: target + '-gdbstub-xml.c',
3785 input: files(config_target['TARGET_XML_FILES'].split()),
3786 command: [feature_to_c, '@INPUT@'],
3788 arch_srcs += gdbstub_xml
3791 t = target_arch[target_base_arch].apply(config_target, strict: false)
3792 arch_srcs += t.sources()
3793 arch_deps += t.dependencies()
3795 target_common = common_ss.apply(config_target, strict: false)
3796 objects = common_all.extract_objects(target_common.sources())
3797 deps = target_common.dependencies()
3799 target_specific = specific_ss.apply(config_target, strict: false)
3800 arch_srcs += target_specific.sources()
3801 arch_deps += target_specific.dependencies()
3803 lib = static_library('qemu-' + target,
3804 sources: arch_srcs + genh,
3805 dependencies: arch_deps,
3807 include_directories: target_inc,
3809 build_by_default: false,
3812 if target.endswith('-softmmu')
3814 'name': 'qemu-system-' + target_name,
3815 'win_subsystem': 'console',
3816 'sources': files('softmmu/main.c'),
3819 if targetos == 'windows' and (sdl.found() or gtk.found())
3821 'name': 'qemu-system-' + target_name + 'w',
3822 'win_subsystem': 'windows',
3823 'sources': files('softmmu/main.c'),
3827 if get_option('fuzzing')
3828 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3830 'name': 'qemu-fuzz-' + target_name,
3831 'win_subsystem': 'console',
3832 'sources': specific_fuzz.sources(),
3833 'dependencies': specific_fuzz.dependencies(),
3838 'name': 'qemu-' + target_name,
3839 'win_subsystem': 'console',
3845 exe_name = exe['name']
3846 if targetos == 'darwin'
3847 exe_name += '-unsigned'
3850 emulator = executable(exe_name, exe['sources'],
3853 dependencies: arch_deps + deps + exe['dependencies'],
3854 objects: lib.extract_all_objects(recursive: true),
3855 link_language: link_language,
3856 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3857 link_args: link_args,
3858 win_subsystem: exe['win_subsystem'])
3860 if targetos == 'darwin'
3861 icon = 'pc-bios/qemu.rsrc'
3862 build_input = [emulator, files(icon)]
3864 get_option('bindir') / exe_name,
3865 meson.current_source_dir() / icon
3867 if 'CONFIG_HVF' in config_target
3868 entitlements = 'accel/hvf/entitlements.plist'
3869 build_input += files(entitlements)
3870 install_input += meson.current_source_dir() / entitlements
3873 emulators += {exe['name'] : custom_target(exe['name'],
3875 output: exe['name'],
3876 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3879 meson.add_install_script(entitlement, '--install',
3880 get_option('bindir') / exe['name'],
3883 emulators += {exe['name']: emulator}
3888 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3889 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3890 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3891 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3893 custom_target(exe['name'] + stp['ext'],
3894 input: trace_events_all,
3895 output: exe['name'] + stp['ext'],
3896 install: stp['install'],
3897 install_dir: get_option('datadir') / 'systemtap/tapset',
3899 tracetool, '--group=all', '--format=' + stp['fmt'],
3900 '--binary=' + stp['bin'],
3901 '--target-name=' + target_name,
3902 '--target-type=' + target_type,
3903 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3904 '@INPUT@', '@OUTPUT@'
3906 depend_files: tracetool_depends)
3912 # Other build targets
3914 if 'CONFIG_PLUGIN' in config_host
3915 install_headers('include/qemu/qemu-plugin.h')
3920 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3921 # when we don't build tools or system
3922 if xkbcommon.found()
3923 # used for the update-keymaps target, so include rules even if !have_tools
3924 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3925 dependencies: [qemuutil, xkbcommon], install: have_tools)
3929 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3930 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3931 qemu_io = executable('qemu-io', files('qemu-io.c'),
3932 dependencies: [block, qemuutil], install: true)
3933 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3934 dependencies: [blockdev, qemuutil, gnutls, selinux],
3937 subdir('storage-daemon')
3938 subdir('contrib/rdmacm-mux')
3939 subdir('contrib/elf2dmp')
3941 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3942 dependencies: qemuutil,
3946 subdir('contrib/vhost-user-blk')
3947 subdir('contrib/vhost-user-gpu')
3948 subdir('contrib/vhost-user-input')
3949 subdir('contrib/vhost-user-scsi')
3952 if targetos == 'linux'
3953 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3954 dependencies: [qemuutil, libcap_ng],
3956 install_dir: get_option('libexecdir'))
3958 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3959 dependencies: [authz, crypto, io, qom, qemuutil,
3960 libcap_ng, mpathpersist],
3965 subdir('contrib/ivshmem-client')
3966 subdir('contrib/ivshmem-server')
3979 if host_machine.system() == 'windows'
3981 find_program('scripts/nsis.py'),
3983 get_option('prefix'),
3984 meson.current_source_dir(),
3985 glib_pc.get_variable('bindir'),
3988 '-DDISPLAYVERSION=' + meson.project_version(),
3991 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3994 nsis_cmd += '-DCONFIG_GTK=y'
3997 nsis = custom_target('nsis',
3998 output: 'qemu-setup-' + meson.project_version() + '.exe',
3999 input: files('qemu.nsi'),
4000 build_always_stale: true,
4001 command: nsis_cmd + ['@INPUT@'])
4002 alias_target('installer', nsis)
4005 #########################
4006 # Configuration summary #
4007 #########################
4011 summary_info += {'Install prefix': get_option('prefix')}
4012 summary_info += {'BIOS directory': qemu_datadir}
4013 pathsep = targetos == 'windows' ? ';' : ':'
4014 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4015 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4016 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4017 summary_info += {'module directory': qemu_moddir}
4018 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4019 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4020 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4021 if targetos != 'windows'
4022 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4023 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4025 summary_info += {'local state directory': 'queried at runtime'}
4027 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4028 summary_info += {'Build directory': meson.current_build_dir()}
4029 summary_info += {'Source path': meson.current_source_dir()}
4030 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
4031 summary(summary_info, bool_yn: true, section: 'Directories')
4035 summary_info += {'git': config_host['GIT']}
4036 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4037 summary_info += {'sphinx-build': sphinx_build}
4038 if config_host.has_key('HAVE_GDB_BIN')
4039 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4041 summary_info += {'iasl': iasl}
4042 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4043 if targetos == 'windows' and have_ga
4044 summary_info += {'wixl': wixl}
4046 if slirp.found() and have_system
4047 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4049 summary(summary_info, bool_yn: true, section: 'Host binaries')
4051 # Configurable features
4053 summary_info += {'Documentation': build_docs}
4054 summary_info += {'system-mode emulation': have_system}
4055 summary_info += {'user-mode emulation': have_user}
4056 summary_info += {'block layer': have_block}
4057 summary_info += {'Install blobs': get_option('install_blobs')}
4058 summary_info += {'module support': enable_modules}
4060 summary_info += {'alternative module path': get_option('module_upgrades')}
4062 summary_info += {'fuzzing support': get_option('fuzzing')}
4064 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4066 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4067 if 'simple' in get_option('trace_backends')
4068 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4070 summary_info += {'D-Bus display': dbus_display}
4071 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4072 summary_info += {'vhost-kernel support': have_vhost_kernel}
4073 summary_info += {'vhost-net support': have_vhost_net}
4074 summary_info += {'vhost-user support': have_vhost_user}
4075 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4076 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4077 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4078 summary_info += {'build guest agent': have_ga}
4079 summary(summary_info, bool_yn: true, section: 'Configurable features')
4081 # Compilation information
4083 summary_info += {'host CPU': cpu}
4084 summary_info += {'host endianness': build_machine.endian()}
4085 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4086 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4087 if link_language == 'cpp'
4088 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4090 summary_info += {'C++ compiler': false}
4092 if targetos == 'darwin'
4093 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4095 option_cflags = (get_option('debug') ? ['-g'] : [])
4096 if get_option('optimization') != 'plain'
4097 option_cflags += ['-O' + get_option('optimization')]
4099 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4100 if link_language == 'cpp'
4101 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4103 if targetos == 'darwin'
4104 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4106 link_args = get_option(link_language + '_link_args')
4107 if link_args.length() > 0
4108 summary_info += {'LDFLAGS': ' '.join(link_args)}
4110 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4111 if 'cpp' in all_languages
4112 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4114 if 'objc' in all_languages
4115 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4117 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4118 summary_info += {'profiler': get_option('profiler')}
4119 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4120 summary_info += {'PIE': get_option('b_pie')}
4121 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
4122 summary_info += {'malloc trim support': has_malloc_trim}
4123 summary_info += {'membarrier': have_membarrier}
4124 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4125 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4126 summary_info += {'mutex debugging': get_option('debug_mutex')}
4127 summary_info += {'memory allocator': get_option('malloc')}
4128 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4129 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4130 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4131 if get_option('gprof')
4132 gprof_info = 'YES (deprecated)'
4134 gprof_info = get_option('gprof')
4136 summary_info += {'gprof': gprof_info}
4137 summary_info += {'gcov': get_option('b_coverage')}
4138 summary_info += {'thread sanitizer': get_option('tsan')}
4139 summary_info += {'CFI support': get_option('cfi')}
4140 if get_option('cfi')
4141 summary_info += {'CFI debug support': get_option('cfi_debug')}
4143 summary_info += {'strip binaries': get_option('strip')}
4144 summary_info += {'sparse': sparse}
4145 summary_info += {'mingw32 support': targetos == 'windows'}
4146 summary(summary_info, bool_yn: true, section: 'Compilation')
4148 # snarf the cross-compilation information for tests
4151 foreach target: target_dirs
4152 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4153 if fs.exists(tcg_mak)
4154 config_cross_tcg = keyval.load(tcg_mak)
4155 if 'CC' in config_cross_tcg
4156 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4162 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4165 # Targets and accelerators
4168 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4169 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4170 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4171 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4172 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4173 summary_info += {'Xen support': xen.found()}
4175 summary_info += {'xen ctrl version': xen.version()}
4177 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4179 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4180 if config_all.has_key('CONFIG_TCG')
4181 if get_option('tcg_interpreter')
4182 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4184 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4186 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4187 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4189 summary_info += {'target list': ' '.join(target_dirs)}
4191 summary_info += {'default devices': get_option('default_devices')}
4192 summary_info += {'out of process emulation': multiprocess_allowed}
4193 summary_info += {'vfio-user server': vfio_user_server_allowed}
4195 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4199 summary_info += {'coroutine backend': coroutine_backend}
4200 summary_info += {'coroutine pool': have_coroutine_pool}
4202 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4203 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4204 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4205 summary_info += {'VirtFS (9P) support': have_virtfs}
4206 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4207 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4208 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4209 summary_info += {'bochs support': get_option('bochs').allowed()}
4210 summary_info += {'cloop support': get_option('cloop').allowed()}
4211 summary_info += {'dmg support': get_option('dmg').allowed()}
4212 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4213 summary_info += {'vdi support': get_option('vdi').allowed()}
4214 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4215 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4216 summary_info += {'vpc support': get_option('vpc').allowed()}
4217 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4218 summary_info += {'qed support': get_option('qed').allowed()}
4219 summary_info += {'parallels support': get_option('parallels').allowed()}
4220 summary_info += {'FUSE exports': fuse}
4221 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4223 summary(summary_info, bool_yn: true, section: 'Block layer support')
4227 summary_info += {'TLS priority': get_option('tls_priority')}
4228 summary_info += {'GNUTLS support': gnutls}
4230 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4232 summary_info += {'libgcrypt': gcrypt}
4233 summary_info += {'nettle': nettle}
4235 summary_info += {' XTS': xts != 'private'}
4237 summary_info += {'AF_ALG support': have_afalg}
4238 summary_info += {'rng-none': get_option('rng_none')}
4239 summary_info += {'Linux keyring': have_keyring}
4240 summary(summary_info, bool_yn: true, section: 'Crypto')
4244 if targetos == 'darwin'
4245 summary_info += {'Cocoa support': cocoa}
4246 summary_info += {'vmnet.framework support': vmnet}
4248 summary_info += {'SDL support': sdl}
4249 summary_info += {'SDL image support': sdl_image}
4250 summary_info += {'GTK support': gtk}
4251 summary_info += {'pixman': pixman}
4252 summary_info += {'VTE support': vte}
4253 summary_info += {'slirp support': slirp}
4254 summary_info += {'libtasn1': tasn1}
4255 summary_info += {'PAM': pam}
4256 summary_info += {'iconv support': iconv}
4257 summary_info += {'curses support': curses}
4258 summary_info += {'virgl support': virgl}
4259 summary_info += {'blkio support': blkio}
4260 summary_info += {'curl support': curl}
4261 summary_info += {'Multipath support': mpathpersist}
4262 summary_info += {'PNG support': png}
4263 summary_info += {'VNC support': vnc}
4265 summary_info += {'VNC SASL support': sasl}
4266 summary_info += {'VNC JPEG support': jpeg}
4268 if targetos not in ['darwin', 'haiku', 'windows']
4269 summary_info += {'OSS support': oss}
4270 summary_info += {'sndio support': sndio}
4271 elif targetos == 'darwin'
4272 summary_info += {'CoreAudio support': coreaudio}
4273 elif targetos == 'windows'
4274 summary_info += {'DirectSound support': dsound}
4276 if targetos == 'linux'
4277 summary_info += {'ALSA support': alsa}
4278 summary_info += {'PulseAudio support': pulse}
4280 summary_info += {'Pipewire support': pipewire}
4281 summary_info += {'JACK support': jack}
4282 summary_info += {'brlapi support': brlapi}
4283 summary_info += {'vde support': vde}
4284 summary_info += {'netmap support': have_netmap}
4285 summary_info += {'l2tpv3 support': have_l2tpv3}
4286 summary_info += {'Linux AIO support': libaio}
4287 summary_info += {'Linux io_uring support': linux_io_uring}
4288 summary_info += {'ATTR/XATTR support': libattr}
4289 summary_info += {'RDMA support': rdma}
4290 summary_info += {'PVRDMA support': have_pvrdma}
4291 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4292 summary_info += {'libcap-ng support': libcap_ng}
4293 summary_info += {'bpf support': libbpf}
4294 summary_info += {'spice protocol support': spice_protocol}
4295 if spice_protocol.found()
4296 summary_info += {' spice server support': spice}
4298 summary_info += {'rbd support': rbd}
4299 summary_info += {'smartcard support': cacard}
4300 summary_info += {'U2F support': u2f}
4301 summary_info += {'libusb': libusb}
4302 summary_info += {'usb net redir': usbredir}
4303 summary_info += {'OpenGL support (epoxy)': opengl}
4304 summary_info += {'GBM': gbm}
4305 summary_info += {'libiscsi support': libiscsi}
4306 summary_info += {'libnfs support': libnfs}
4307 if targetos == 'windows'
4309 summary_info += {'QGA VSS support': have_qga_vss}
4312 summary_info += {'seccomp support': seccomp}
4313 summary_info += {'GlusterFS support': glusterfs}
4314 summary_info += {'TPM support': have_tpm}
4315 summary_info += {'libssh support': libssh}
4316 summary_info += {'lzo support': lzo}
4317 summary_info += {'snappy support': snappy}
4318 summary_info += {'bzip2 support': libbzip2}
4319 summary_info += {'lzfse support': liblzfse}
4320 summary_info += {'zstd support': zstd}
4321 summary_info += {'NUMA host support': numa}
4322 summary_info += {'capstone': capstone}
4323 summary_info += {'libpmem support': libpmem}
4324 summary_info += {'libdaxctl support': libdaxctl}
4325 summary_info += {'libudev': libudev}
4326 # Dummy dependency, keep .found()
4327 summary_info += {'FUSE lseek': fuse_lseek.found()}
4328 summary_info += {'selinux': selinux}
4329 summary_info += {'libdw': libdw}
4330 summary(summary_info, bool_yn: true, section: 'Dependencies')
4332 if not supported_cpus.contains(cpu)
4334 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4336 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4337 message('The QEMU project intends to remove support for this host CPU in')
4338 message('a future release if nobody volunteers to maintain it and to')
4339 message('provide a build host for our continuous integration setup.')
4340 message('configure has succeeded and you can continue to build, but')
4341 message('if you care about QEMU on this platform you should contact')
4342 message('us upstream at qemu-devel@nongnu.org.')
4345 if not supported_oses.contains(targetos)
4347 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4349 message('Host OS ' + targetos + 'support is not currently maintained.')
4350 message('The QEMU project intends to remove support for this host OS in')
4351 message('a future release if nobody volunteers to maintain it and to')
4352 message('provide a build host for our continuous integration setup.')
4353 message('configure has succeeded and you can continue to build, but')
4354 message('if you care about QEMU on this platform you should contact')
4355 message('us upstream at qemu-devel@nongnu.org.')