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 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1096 mpath_test_source = '''
1097 #include <libudev.h>
1098 #include <mpath_persist.h>
1099 unsigned mpath_mx_alloc_len = 1024;
1101 static struct config *multipath_conf;
1102 extern struct udev *udev;
1103 extern struct config *get_multipath_config(void);
1104 extern void put_multipath_config(struct config *conf);
1106 struct config *get_multipath_config(void) { return multipath_conf; }
1107 void put_multipath_config(struct config *conf) { }
1110 multipath_conf = mpath_lib_init();
1113 libmpathpersist = cc.find_library('mpathpersist',
1114 required: get_option('mpath'))
1115 if libmpathpersist.found()
1116 mpathlibs += libmpathpersist
1117 if get_option('prefer_static')
1118 mpathlibs += cc.find_library('devmapper',
1119 required: get_option('mpath'))
1121 mpathlibs += cc.find_library('multipath',
1122 required: get_option('mpath'))
1123 foreach lib: mpathlibs
1129 if mpathlibs.length() == 0
1130 msg = 'Dependencies missing for libmpathpersist'
1131 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1132 mpathpersist = declare_dependency(dependencies: mpathlibs)
1134 msg = 'Cannot detect libmpathpersist API'
1136 if not mpathpersist.found()
1137 if get_option('mpath').enabled()
1140 warning(msg + ', disabling')
1148 if have_system and get_option('curses').allowed()
1150 #if defined(__APPLE__) || defined(__OpenBSD__)
1151 #define _XOPEN_SOURCE_EXTENDED 1
1158 setlocale(LC_ALL, "");
1160 addwstr(L"wide chars\n");
1162 add_wch(WACS_DEGREE);
1166 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1167 curses = dependency(curses_dep_list,
1169 method: 'pkg-config')
1170 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1171 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1173 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1174 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1175 version: curses.version())
1177 msg = 'curses package not usable'
1181 if not curses.found()
1182 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1183 if targetos != 'windows' and not has_curses_h
1184 message('Trying with /usr/include/ncursesw')
1185 curses_compile_args += ['-I/usr/include/ncursesw']
1186 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1189 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1190 foreach curses_libname : curses_libname_list
1191 libcurses = cc.find_library(curses_libname,
1193 if libcurses.found()
1194 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1195 curses = declare_dependency(compile_args: curses_compile_args,
1196 dependencies: [libcurses])
1199 msg = 'curses library not usable'
1205 if get_option('iconv').allowed()
1206 foreach link_args : [ ['-liconv'], [] ]
1207 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1208 # We need to use libiconv if available because mixing libiconv's headers with
1209 # the system libc does not work.
1210 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1211 # included in the command line and libiconv will not be found.
1215 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1216 return conv != (iconv_t) -1;
1217 }''', args: link_args, dependencies: glib)
1218 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1223 if curses.found() and not iconv.found()
1224 if get_option('iconv').enabled()
1225 error('iconv not available')
1227 msg = 'iconv required for curses UI but not available'
1230 if not curses.found() and msg != ''
1231 if get_option('curses').enabled()
1234 warning(msg + ', disabling')
1240 if not get_option('brlapi').auto() or have_system
1241 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1242 required: get_option('brlapi'))
1243 if brlapi.found() and not cc.links('''
1246 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1248 if get_option('brlapi').enabled()
1249 error('could not link brlapi')
1251 warning('could not link brlapi, disabling')
1257 if not get_option('sdl').auto() or have_system
1258 sdl = dependency('sdl2', required: get_option('sdl'))
1259 sdl_image = not_found
1262 # Some versions of SDL have problems with -Wundef
1263 if not cc.compiles('''
1265 #include <SDL_syswm.h>
1266 int main(int argc, char *argv[]) { return 0; }
1267 ''', dependencies: sdl, args: '-Werror=undef')
1268 sdl = declare_dependency(compile_args: '-Wno-undef',
1270 version: sdl.version())
1272 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1273 method: 'pkg-config')
1275 if get_option('sdl_image').enabled()
1276 error('sdl-image required, but SDL was @0@'.format(
1277 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1279 sdl_image = not_found
1283 if not get_option('rbd').auto() or have_block
1284 librados = cc.find_library('rados', required: get_option('rbd'))
1285 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1286 required: get_option('rbd'))
1287 if librados.found() and librbd.found()
1290 #include <rbd/librbd.h>
1293 rados_create(&cluster, NULL);
1294 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1298 }''', dependencies: [librbd, librados])
1299 rbd = declare_dependency(dependencies: [librbd, librados])
1300 elif get_option('rbd').enabled()
1301 error('librbd >= 1.12.0 required')
1303 warning('librbd >= 1.12.0 not found, disabling')
1308 glusterfs = not_found
1309 glusterfs_ftruncate_has_stat = false
1310 glusterfs_iocb_has_stat = false
1311 if not get_option('glusterfs').auto() or have_block
1312 glusterfs = dependency('glusterfs-api', version: '>=3',
1313 required: get_option('glusterfs'),
1314 method: 'pkg-config')
1315 if glusterfs.found()
1316 glusterfs_ftruncate_has_stat = cc.links('''
1317 #include <glusterfs/api/glfs.h>
1322 /* new glfs_ftruncate() passes two additional args */
1323 return glfs_ftruncate(NULL, 0, NULL, NULL);
1325 ''', dependencies: glusterfs)
1326 glusterfs_iocb_has_stat = cc.links('''
1327 #include <glusterfs/api/glfs.h>
1329 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1331 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1337 glfs_io_cbk iocb = &glusterfs_iocb;
1338 iocb(NULL, 0 , NULL, NULL, NULL);
1341 ''', dependencies: glusterfs)
1346 if not get_option('libssh').auto() or have_block
1347 libssh = dependency('libssh', version: '>=0.8.7',
1348 method: 'pkg-config',
1349 required: get_option('libssh'))
1352 libbzip2 = not_found
1353 if not get_option('bzip2').auto() or have_block
1354 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1355 required: get_option('bzip2'))
1356 if libbzip2.found() and not cc.links('''
1358 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1359 libbzip2 = not_found
1360 if get_option('bzip2').enabled()
1361 error('could not link libbzip2')
1363 warning('could not link libbzip2, disabling')
1368 liblzfse = not_found
1369 if not get_option('lzfse').auto() or have_block
1370 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1371 required: get_option('lzfse'))
1373 if liblzfse.found() and not cc.links('''
1375 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1376 liblzfse = not_found
1377 if get_option('lzfse').enabled()
1378 error('could not link liblzfse')
1380 warning('could not link liblzfse, disabling')
1385 if get_option('oss').allowed() and have_system
1386 if not cc.has_header('sys/soundcard.h')
1388 elif targetos == 'netbsd'
1389 oss = cc.find_library('ossaudio', required: get_option('oss'))
1391 oss = declare_dependency()
1395 if get_option('oss').enabled()
1396 error('OSS not found')
1401 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1402 if cc.has_header('dsound.h')
1403 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1406 if not dsound.found()
1407 if get_option('dsound').enabled()
1408 error('DirectSound not found')
1413 coreaudio = not_found
1414 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1415 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1416 required: get_option('coreaudio'))
1420 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1421 epoxy = dependency('epoxy', method: 'pkg-config',
1422 required: get_option('opengl'))
1423 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1425 elif get_option('opengl').enabled()
1426 error('epoxy/egl.h not found')
1430 if (have_system or have_tools) and (virgl.found() or opengl.found())
1431 gbm = dependency('gbm', method: 'pkg-config', required: false)
1433 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1436 gnutls_crypto = not_found
1437 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1438 # For general TLS support our min gnutls matches
1439 # that implied by our platform support matrix
1441 # For the crypto backends, we look for a newer
1444 # Version 3.6.8 is needed to get XTS
1445 # Version 3.6.13 is needed to get PBKDF
1446 # Version 3.6.14 is needed to get HW accelerated XTS
1448 # If newer enough gnutls isn't available, we can
1449 # still use a different crypto backend to satisfy
1450 # the platform support requirements
1451 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1452 method: 'pkg-config',
1454 if gnutls_crypto.found()
1455 gnutls = gnutls_crypto
1457 # Our min version if all we need is TLS
1458 gnutls = dependency('gnutls', version: '>=3.5.18',
1459 method: 'pkg-config',
1460 required: get_option('gnutls'))
1464 # We prefer use of gnutls for crypto, unless the options
1465 # explicitly asked for nettle or gcrypt.
1467 # If gnutls isn't available for crypto, then we'll prefer
1468 # gcrypt over nettle for performance reasons.
1474 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1475 error('Only one of gcrypt & nettle can be enabled')
1478 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1479 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1480 gnutls_crypto = not_found
1483 if not gnutls_crypto.found()
1484 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1485 gcrypt = dependency('libgcrypt', version: '>=1.8',
1486 method: 'config-tool',
1487 required: get_option('gcrypt'))
1488 # Debian has removed -lgpg-error from libgcrypt-config
1489 # as it "spreads unnecessary dependencies" which in
1490 # turn breaks static builds...
1491 if gcrypt.found() and get_option('prefer_static')
1492 gcrypt = declare_dependency(dependencies:
1494 cc.find_library('gpg-error', required: true)],
1495 version: gcrypt.version())
1498 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1499 nettle = dependency('nettle', version: '>=3.4',
1500 method: 'pkg-config',
1501 required: get_option('nettle'))
1502 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1508 gmp = dependency('gmp', required: false, method: 'pkg-config')
1509 if nettle.found() and gmp.found()
1510 hogweed = dependency('hogweed', version: '>=3.4',
1511 method: 'pkg-config',
1512 required: get_option('nettle'))
1519 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1521 if not get_option('gtk').auto() or have_system
1522 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1523 method: 'pkg-config',
1524 required: get_option('gtk'))
1526 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1527 method: 'pkg-config',
1529 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1530 version: gtk.version())
1532 if not get_option('vte').auto() or have_system
1533 vte = dependency('vte-2.91',
1534 method: 'pkg-config',
1535 required: get_option('vte'))
1537 elif have_gtk_clipboard
1538 error('GTK clipboard requested, but GTK not found')
1544 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1547 if get_option('png').allowed() and have_system
1548 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1549 method: 'pkg-config')
1554 if get_option('vnc').allowed() and have_system
1555 vnc = declare_dependency() # dummy dependency
1556 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1557 method: 'pkg-config')
1558 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1559 required: get_option('vnc_sasl'))
1561 sasl = declare_dependency(dependencies: sasl,
1562 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1567 if not get_option('auth_pam').auto() or have_system
1568 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1569 required: get_option('auth_pam'))
1571 if pam.found() and not cc.links('''
1573 #include <security/pam_appl.h>
1575 const char *service_name = "qemu";
1576 const char *user = "frank";
1577 const struct pam_conv pam_conv = { 0 };
1578 pam_handle_t *pamh = NULL;
1579 pam_start(service_name, user, &pam_conv, &pamh);
1581 }''', dependencies: pam)
1583 if get_option('auth_pam').enabled()
1584 error('could not link libpam')
1586 warning('could not link libpam, disabling')
1591 if not get_option('snappy').auto() or have_system
1592 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1593 required: get_option('snappy'))
1595 if snappy.found() and not linker.links('''
1596 #include <snappy-c.h>
1597 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1599 if get_option('snappy').enabled()
1600 error('could not link libsnappy')
1602 warning('could not link libsnappy, disabling')
1607 if not get_option('lzo').auto() or have_system
1608 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1609 required: get_option('lzo'))
1611 if lzo.found() and not cc.links('''
1612 #include <lzo/lzo1x.h>
1613 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1615 if get_option('lzo').enabled()
1616 error('could not link liblzo2')
1618 warning('could not link liblzo2, disabling')
1623 if not get_option('numa').auto() or have_system or have_tools
1624 numa = cc.find_library('numa', has_headers: ['numa.h'],
1625 required: get_option('numa'))
1627 if numa.found() and not cc.links('''
1629 int main(void) { return numa_available(); }
1630 ''', dependencies: numa)
1632 if get_option('numa').enabled()
1633 error('could not link numa')
1635 warning('could not link numa, disabling')
1640 if not get_option('rdma').auto() or have_system
1641 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1642 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1643 required: get_option('rdma')),
1644 cc.find_library('ibverbs', required: get_option('rdma')),
1646 rdma = declare_dependency(dependencies: rdma_libs)
1647 foreach lib: rdma_libs
1655 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1656 xencontrol = dependency('xencontrol', required: false,
1657 method: 'pkg-config')
1658 if xencontrol.found()
1659 xen_pc = declare_dependency(version: xencontrol.version(),
1662 # disabler: true makes xen_pc.found() return false if any is not found
1663 dependency('xenstore', required: false,
1664 method: 'pkg-config',
1666 dependency('xenforeignmemory', required: false,
1667 method: 'pkg-config',
1669 dependency('xengnttab', required: false,
1670 method: 'pkg-config',
1672 dependency('xenevtchn', required: false,
1673 method: 'pkg-config',
1675 dependency('xendevicemodel', required: false,
1676 method: 'pkg-config',
1678 # optional, no "disabler: true"
1679 dependency('xentoolcore', required: false,
1680 method: 'pkg-config')])
1686 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' ]
1688 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1689 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1690 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1692 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1693 '4.6.0': [ 'xenstore', 'xenctrl' ],
1694 '4.5.0': [ 'xenstore', 'xenctrl' ],
1695 '4.2.0': [ 'xenstore', 'xenctrl' ],
1698 foreach ver: xen_tests
1699 # cache the various library tests to avoid polluting the logs
1701 foreach l: xen_libs[ver]
1702 if l not in xen_deps
1703 xen_deps += { l: cc.find_library(l, required: false) }
1705 xen_test_deps += xen_deps[l]
1708 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1709 xen_version = ver.split('.')
1710 xen_ctrl_version = xen_version[0] + \
1711 ('0' + xen_version[1]).substring(-2) + \
1712 ('0' + xen_version[2]).substring(-2)
1713 if cc.links(files('scripts/xen-detect.c'),
1714 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1715 dependencies: xen_test_deps)
1716 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1722 accelerators += 'CONFIG_XEN'
1723 elif get_option('xen').enabled()
1724 error('could not compile and link Xen test program')
1727 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1728 .require(xen.found(),
1729 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1730 .require(targetos == 'linux',
1731 error_message: 'Xen PCI passthrough not available on this platform') \
1736 if not get_option('smartcard').auto() or have_system
1737 cacard = dependency('libcacard', required: get_option('smartcard'),
1738 version: '>=2.5.1', method: 'pkg-config')
1742 u2f = dependency('u2f-emu', required: get_option('u2f'),
1743 method: 'pkg-config')
1747 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1748 method: 'pkg-config')
1750 usbredir = not_found
1751 if not get_option('usb_redir').auto() or have_system
1752 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1753 version: '>=0.6', method: 'pkg-config')
1756 if not get_option('libusb').auto() or have_system
1757 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1758 version: '>=1.0.13', method: 'pkg-config')
1762 if not get_option('libpmem').auto() or have_system
1763 libpmem = dependency('libpmem', required: get_option('libpmem'),
1764 method: 'pkg-config')
1766 libdaxctl = not_found
1767 if not get_option('libdaxctl').auto() or have_system
1768 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1769 version: '>=57', method: 'pkg-config')
1773 tasn1 = dependency('libtasn1',
1774 method: 'pkg-config')
1776 keyutils = not_found
1777 if get_option('keyring').enabled()
1778 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1781 has_gettid = cc.has_function('gettid')
1784 selinux = dependency('libselinux',
1785 required: get_option('selinux'),
1786 method: 'pkg-config')
1791 if get_option('malloc') == 'system'
1793 get_option('malloc_trim').allowed() and \
1794 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1796 has_malloc_trim = false
1797 malloc = cc.find_library(get_option('malloc'), required: true)
1799 if not has_malloc_trim and get_option('malloc_trim').enabled()
1800 if get_option('malloc') == 'system'
1801 error('malloc_trim not available on this platform.')
1803 error('malloc_trim not available with non-libc memory allocator')
1807 gnu_source_prefix = '''
1813 # Check whether the glibc provides STATX_BASIC_STATS
1815 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1817 # Check whether statx() provides mount ID information
1819 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1821 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1822 .require(targetos == 'linux',
1823 error_message: 'vhost_user_blk_server requires linux') \
1824 .require(have_vhost_user,
1825 error_message: 'vhost_user_blk_server requires vhost-user support') \
1826 .disable_auto_if(not have_tools and not have_system) \
1829 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1830 error('Cannot enable fuse-lseek while fuse is disabled')
1833 fuse = dependency('fuse3', required: get_option('fuse'),
1834 version: '>=3.1', method: 'pkg-config')
1836 fuse_lseek = not_found
1837 if get_option('fuse_lseek').allowed()
1838 if fuse.version().version_compare('>=3.8')
1840 fuse_lseek = declare_dependency()
1841 elif get_option('fuse_lseek').enabled()
1843 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1845 error('fuse-lseek requires libfuse, which was not found')
1850 have_libvduse = (targetos == 'linux')
1851 if get_option('libvduse').enabled()
1852 if targetos != 'linux'
1853 error('libvduse requires linux')
1855 elif get_option('libvduse').disabled()
1856 have_libvduse = false
1859 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1860 if get_option('vduse_blk_export').enabled()
1861 if targetos != 'linux'
1862 error('vduse_blk_export requires linux')
1863 elif not have_libvduse
1864 error('vduse_blk_export requires libvduse support')
1866 elif get_option('vduse_blk_export').disabled()
1867 have_vduse_blk_export = false
1871 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1872 if libbpf.found() and not cc.links('''
1873 #include <bpf/libbpf.h>
1876 bpf_object__destroy_skeleton(NULL);
1878 }''', dependencies: libbpf)
1880 if get_option('bpf').enabled()
1881 error('libbpf skeleton test failed')
1883 warning('libbpf skeleton test failed, disabling')
1889 if not get_option('libdw').auto() or \
1890 (not get_option('prefer_static') and (have_system or have_user))
1891 libdw = dependency('libdw',
1892 method: 'pkg-config',
1893 required: get_option('libdw'))
1900 audio_drivers_selected = []
1902 audio_drivers_available = {
1903 'alsa': alsa.found(),
1904 'coreaudio': coreaudio.found(),
1905 'dsound': dsound.found(),
1906 'jack': jack.found(),
1908 'pa': pulse.found(),
1909 'pipewire': pipewire.found(),
1911 'sndio': sndio.found(),
1913 foreach k, v: audio_drivers_available
1914 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1917 # Default to native drivers first, OSS second, SDL third
1918 audio_drivers_priority = \
1919 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1920 (targetos == 'linux' ? [] : [ 'sdl' ])
1921 audio_drivers_default = []
1922 foreach k: audio_drivers_priority
1923 if audio_drivers_available[k]
1924 audio_drivers_default += k
1928 foreach k: get_option('audio_drv_list')
1930 audio_drivers_selected += audio_drivers_default
1931 elif not audio_drivers_available[k]
1932 error('Audio driver "@0@" not available.'.format(k))
1934 audio_drivers_selected += k
1938 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1939 '"' + '", "'.join(audio_drivers_selected) + '", ')
1941 if get_option('cfi')
1943 # Check for dependency on LTO
1944 if not get_option('b_lto')
1945 error('Selected Control-Flow Integrity but LTO is disabled')
1948 error('Selected Control-Flow Integrity is not compatible with modules')
1950 # Check for cfi flags. CFI requires LTO so we can't use
1951 # get_supported_arguments, but need a more complex "compiles" which allows
1953 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1954 args: ['-flto', '-fsanitize=cfi-icall'] )
1955 cfi_flags += '-fsanitize=cfi-icall'
1957 error('-fsanitize=cfi-icall is not supported by the compiler')
1959 if cc.compiles('int main () { return 0; }',
1960 name: '-fsanitize-cfi-icall-generalize-pointers',
1961 args: ['-flto', '-fsanitize=cfi-icall',
1962 '-fsanitize-cfi-icall-generalize-pointers'] )
1963 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1965 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1967 if get_option('cfi_debug')
1968 if cc.compiles('int main () { return 0; }',
1969 name: '-fno-sanitize-trap=cfi-icall',
1970 args: ['-flto', '-fsanitize=cfi-icall',
1971 '-fno-sanitize-trap=cfi-icall'] )
1972 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1974 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1977 add_global_arguments(cfi_flags, native: false, language: all_languages)
1978 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1981 have_host_block_device = (targetos != 'darwin' or
1982 cc.has_header('IOKit/storage/IOMedia.h'))
1984 dbus_display = get_option('dbus_display') \
1985 .require(gio.version().version_compare('>=2.64'),
1986 error_message: '-display dbus requires glib>=2.64') \
1987 .require(gdbus_codegen.found(),
1988 error_message: gdbus_codegen_error.format('-display dbus')) \
1989 .require(targetos != 'windows',
1990 error_message: '-display dbus is not available on Windows') \
1993 have_virtfs = get_option('virtfs') \
1994 .require(targetos == 'linux' or targetos == 'darwin',
1995 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1996 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1997 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1998 .require(targetos == 'darwin' or libattr.found(),
1999 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2000 .disable_auto_if(not have_tools and not have_system) \
2003 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2004 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2005 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2006 .disable_auto_if(not have_tools) \
2007 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2010 if get_option('block_drv_ro_whitelist') == ''
2011 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2013 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2014 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2016 if get_option('block_drv_rw_whitelist') == ''
2017 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2019 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2020 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2023 foreach k : get_option('trace_backends')
2024 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2026 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2027 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2029 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2031 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2032 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2033 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2034 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2035 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2037 qemu_firmwarepath = ''
2038 foreach k : get_option('qemu_firmwarepath')
2039 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2041 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2043 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2044 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2045 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2046 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2047 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2048 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2051 config_host_data.set('CONFIG_STAMP', run_command(
2052 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2053 meson.project_version(), get_option('pkgversion'), '--',
2054 meson.current_source_dir() / 'configure',
2055 capture: true, check: true).stdout().strip())
2058 have_slirp_smbd = get_option('slirp_smbd') \
2059 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2062 smbd_path = get_option('smbd')
2064 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2066 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2069 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2071 if get_option('module_upgrades') and not enable_modules
2072 error('Cannot enable module-upgrades as modules are not enabled')
2074 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2076 config_host_data.set('CONFIG_ATTR', libattr.found())
2077 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2078 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2079 config_host_data.set('CONFIG_COCOA', cocoa.found())
2080 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2081 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2082 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2083 config_host_data.set('CONFIG_LZO', lzo.found())
2084 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2085 config_host_data.set('CONFIG_BLKIO', blkio.found())
2087 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2088 blkio.version().version_compare('>=1.3.0'))
2090 config_host_data.set('CONFIG_CURL', curl.found())
2091 config_host_data.set('CONFIG_CURSES', curses.found())
2092 config_host_data.set('CONFIG_GBM', gbm.found())
2093 config_host_data.set('CONFIG_GIO', gio.found())
2094 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2095 if glusterfs.found()
2096 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2097 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2098 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2099 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2100 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2101 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2103 config_host_data.set('CONFIG_GTK', gtk.found())
2104 config_host_data.set('CONFIG_VTE', vte.found())
2105 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2106 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2107 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2108 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2109 config_host_data.set('CONFIG_EBPF', libbpf.found())
2110 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2111 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2112 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2113 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2114 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2115 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2116 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2117 config_host_data.set('CONFIG_MODULES', enable_modules)
2118 config_host_data.set('CONFIG_NUMA', numa.found())
2120 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2121 cc.has_function('numa_has_preferred_many',
2122 dependencies: numa))
2124 config_host_data.set('CONFIG_OPENGL', opengl.found())
2125 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2126 config_host_data.set('CONFIG_RBD', rbd.found())
2127 config_host_data.set('CONFIG_RDMA', rdma.found())
2128 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2129 config_host_data.set('CONFIG_SDL', sdl.found())
2130 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2131 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2133 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2135 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2136 config_host_data.set('CONFIG_TPM', have_tpm)
2137 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2138 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2139 config_host_data.set('CONFIG_VDE', vde.found())
2140 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2141 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2142 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2143 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2144 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2145 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2146 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2147 config_host_data.set('CONFIG_VMNET', vmnet.found())
2148 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2149 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2150 config_host_data.set('CONFIG_PNG', png.found())
2151 config_host_data.set('CONFIG_VNC', vnc.found())
2152 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2153 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2154 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2155 config_host_data.set('CONFIG_VTE', vte.found())
2156 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2157 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2158 config_host_data.set('CONFIG_GETTID', has_gettid)
2159 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2160 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2161 config_host_data.set('CONFIG_TASN1', tasn1.found())
2162 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2163 config_host_data.set('CONFIG_NETTLE', nettle.found())
2164 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2165 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2166 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2167 config_host_data.set('CONFIG_STATX', has_statx)
2168 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2169 config_host_data.set('CONFIG_ZSTD', zstd.found())
2170 config_host_data.set('CONFIG_FUSE', fuse.found())
2171 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2172 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2173 if spice_protocol.found()
2174 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2175 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2176 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2178 config_host_data.set('CONFIG_SPICE', spice.found())
2179 config_host_data.set('CONFIG_X11', x11.found())
2180 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2181 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2182 config_host_data.set('CONFIG_SELINUX', selinux.found())
2183 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2184 config_host_data.set('CONFIG_LIBDW', libdw.found())
2186 # protect from xen.version() having less than three components
2187 xen_version = xen.version().split('.') + ['0', '0']
2188 xen_ctrl_version = xen_version[0] + \
2189 ('0' + xen_version[1]).substring(-2) + \
2190 ('0' + xen_version[2]).substring(-2)
2191 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2193 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2194 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2195 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2196 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2198 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2199 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2201 have_coroutine_pool = get_option('coroutine_pool')
2202 if get_option('debug_stack_usage') and have_coroutine_pool
2203 message('Disabling coroutine pool to measure stack usage')
2204 have_coroutine_pool = false
2206 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2207 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2208 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2209 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2210 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2211 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2212 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2213 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2216 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2217 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2218 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2219 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2220 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2221 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2222 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2223 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2224 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2225 if targetos == 'windows'
2226 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2230 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2231 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2232 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2233 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2234 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2235 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2236 # Note that we need to specify prefix: here to avoid incorrectly
2237 # thinking that Windows has posix_memalign()
2238 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2239 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2240 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2241 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2242 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2243 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2244 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2245 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2246 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2247 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2248 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2249 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2250 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2251 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2252 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2253 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2254 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2255 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2257 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2258 cc.has_function('rbd_namespace_exists',
2260 prefix: '#include <rbd/librbd.h>'))
2263 config_host_data.set('HAVE_IBV_ADVISE_MR',
2264 cc.has_function('ibv_advise_mr',
2266 prefix: '#include <infiniband/verbs.h>'))
2269 have_asan_fiber = false
2270 if get_option('sanitizers') and \
2271 not cc.has_function('__sanitizer_start_switch_fiber',
2272 args: '-fsanitize=address',
2273 prefix: '#include <sanitizer/asan_interface.h>')
2274 warning('Missing ASAN due to missing fiber annotation interface')
2275 warning('Without code annotation, the report may be inferior.')
2277 have_asan_fiber = true
2279 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2282 config_host_data.set('CONFIG_BLKZONED',
2283 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2284 config_host_data.set('CONFIG_EPOLL_CREATE1',
2285 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2286 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2289 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2290 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2291 config_host_data.set('CONFIG_FIEMAP',
2292 cc.has_header('linux/fiemap.h') and
2293 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2294 config_host_data.set('CONFIG_GETRANDOM',
2295 cc.has_function('getrandom') and
2296 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2297 config_host_data.set('CONFIG_INOTIFY',
2298 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2299 config_host_data.set('CONFIG_INOTIFY1',
2300 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2301 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2302 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2303 config_host_data.set('CONFIG_RTNETLINK',
2304 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2305 config_host_data.set('CONFIG_SYSMACROS',
2306 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2307 config_host_data.set('HAVE_OPTRESET',
2308 cc.has_header_symbol('getopt.h', 'optreset'))
2309 config_host_data.set('HAVE_IPPROTO_MPTCP',
2310 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2313 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2314 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2315 prefix: '#include <signal.h>'))
2316 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2317 cc.has_member('struct stat', 'st_atim',
2318 prefix: '#include <sys/stat.h>'))
2319 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2320 cc.has_member('struct blk_zone', 'capacity',
2321 prefix: '#include <linux/blkzoned.h>'))
2324 config_host_data.set('CONFIG_IOVEC',
2325 cc.has_type('struct iovec',
2326 prefix: '#include <sys/uio.h>'))
2327 config_host_data.set('HAVE_UTMPX',
2328 cc.has_type('struct utmpx',
2329 prefix: '#include <utmpx.h>'))
2331 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2332 #include <sys/eventfd.h>
2333 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2334 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2337 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2338 return fdatasync(0);
2340 #error Not supported
2344 has_madvise = cc.links(gnu_source_prefix + '''
2345 #include <sys/types.h>
2346 #include <sys/mman.h>
2348 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2349 missing_madvise_proto = false
2351 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2352 # but forget to prototype it. In this case, has_madvise will be true (the
2353 # test program links despite a compile warning). To detect the
2354 # missing-prototype case, we try again with a definitely-bogus prototype.
2355 # This will only compile if the system headers don't provide the prototype;
2356 # otherwise the conflicting prototypes will cause a compiler error.
2357 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2358 #include <sys/types.h>
2359 #include <sys/mman.h>
2361 extern int madvise(int);
2362 int main(void) { return madvise(0); }''')
2364 config_host_data.set('CONFIG_MADVISE', has_madvise)
2365 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2367 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2368 #include <sys/mman.h>
2369 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2370 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2372 #if !defined(AT_EMPTY_PATH)
2373 # error missing definition
2375 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2377 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2378 #include <sys/mman.h>
2380 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2382 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2383 #include <pthread.h>
2385 static void *f(void *p) { return NULL; }
2389 pthread_create(&thread, 0, f, 0);
2390 pthread_setname_np(thread, "QEMU");
2392 }''', dependencies: threads))
2393 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2394 #include <pthread.h>
2396 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2400 pthread_create(&thread, 0, f, 0);
2402 }''', dependencies: threads))
2403 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2404 #include <pthread.h>
2405 #include <pthread_np.h>
2407 static void *f(void *p) { return NULL; }
2411 pthread_create(&thread, 0, f, 0);
2412 pthread_set_name_np(thread, "QEMU");
2414 }''', dependencies: threads))
2415 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2416 #include <pthread.h>
2421 pthread_condattr_t attr
2422 pthread_condattr_init(&attr);
2423 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2425 }''', dependencies: threads))
2426 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2427 #include <pthread.h>
2429 static void *f(void *p) { return NULL; }
2432 int setsize = CPU_ALLOC_SIZE(64);
2435 pthread_create(&thread, 0, f, 0);
2436 cpuset = CPU_ALLOC(64);
2437 CPU_ZERO_S(setsize, cpuset);
2438 pthread_setaffinity_np(thread, setsize, cpuset);
2439 pthread_getaffinity_np(thread, setsize, cpuset);
2442 }''', dependencies: threads))
2443 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2444 #include <sys/signalfd.h>
2446 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2447 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2455 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2456 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2460 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2461 #include <sys/mman.h>
2463 return mlockall(MCL_FUTURE);
2467 if get_option('l2tpv3').allowed() and have_system
2468 have_l2tpv3 = cc.has_type('struct mmsghdr',
2469 prefix: gnu_source_prefix + '''
2470 #include <sys/socket.h>
2471 #include <linux/ip.h>''')
2473 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2476 if get_option('netmap').allowed() and have_system
2477 have_netmap = cc.compiles('''
2478 #include <inttypes.h>
2480 #include <net/netmap.h>
2481 #include <net/netmap_user.h>
2482 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2485 int main(void) { return 0; }''')
2486 if not have_netmap and get_option('netmap').enabled()
2487 error('Netmap headers not available')
2490 config_host_data.set('CONFIG_NETMAP', have_netmap)
2492 # Work around a system header bug with some kernel/XFS header
2493 # versions where they both try to define 'struct fsxattr':
2494 # xfs headers will not try to redefine structs from linux headers
2495 # if this macro is set.
2496 config_host_data.set('HAVE_FSXATTR', cc.links('''
2497 #include <linux/fs.h>
2503 # Some versions of Mac OS X incorrectly define SIZE_MAX
2504 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2508 return printf("%zu", SIZE_MAX);
2509 }''', args: ['-Werror']))
2511 # See if 64-bit atomic operations are supported.
2512 # Note that without __atomic builtins, we can only
2513 # assume atomic loads/stores max at pointer size.
2514 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2518 uint64_t x = 0, y = 0;
2519 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2520 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2521 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2522 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2523 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2527 has_int128_type = cc.compiles('''
2530 int main(void) { b = a; }''')
2531 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2533 has_int128 = has_int128_type and cc.links('''
2542 config_host_data.set('CONFIG_INT128', has_int128)
2545 # "do we have 128-bit atomics which are handled inline and specifically not
2546 # via libatomic". The reason we can't use libatomic is documented in the
2547 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2548 # We only care about these operations on 16-byte aligned pointers, so
2549 # force 16-byte alignment of the pointer, which may be greater than
2550 # __alignof(unsigned __int128) for the host.
2551 atomic_test_128 = '''
2552 int main(int ac, char **av) {
2553 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2554 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2555 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2556 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2559 has_atomic128 = cc.links(atomic_test_128)
2561 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2563 if not has_atomic128
2564 # Even with __builtin_assume_aligned, the above test may have failed
2565 # without optimization enabled. Try again with optimizations locally
2566 # enabled for the function. See
2567 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2568 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2569 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2571 if not has_atomic128_opt
2572 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2575 __uint128_t x = 0, y = 0;
2576 __sync_val_compare_and_swap_16(&x, y, x);
2584 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2585 #include <sys/auxv.h>
2587 return getauxval(AT_HWCAP) == 0;
2590 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2591 #include <linux/usbdevice_fs.h>
2593 #ifndef USBDEVFS_GET_CAPABILITIES
2594 #error "USBDEVFS_GET_CAPABILITIES undefined"
2597 #ifndef USBDEVFS_DISCONNECT_CLAIM
2598 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2601 int main(void) { return 0; }'''))
2603 have_keyring = get_option('keyring') \
2604 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2605 .require(cc.compiles('''
2607 #include <asm/unistd.h>
2608 #include <linux/keyctl.h>
2609 #include <sys/syscall.h>
2612 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2613 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2614 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2616 have_cpuid_h = cc.links('''
2619 unsigned a, b, c, d;
2620 unsigned max = __get_cpuid_max(0, 0);
2623 __cpuid(1, a, b, c, d);
2627 __cpuid_count(7, 0, a, b, c, d);
2632 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2634 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2635 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2636 .require(cc.links('''
2638 #include <immintrin.h>
2639 static int __attribute__((target("avx2"))) bar(void *a) {
2640 __m256i x = *(__m256i *)a;
2641 return _mm256_testz_si256(x, x);
2643 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2644 '''), error_message: 'AVX2 not available').allowed())
2646 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2647 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2648 .require(cc.links('''
2650 #include <immintrin.h>
2651 static int __attribute__((target("avx512f"))) bar(void *a) {
2652 __m512i x = *(__m512i *)a;
2653 return _mm512_test_epi64_mask(x, x);
2655 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2656 '''), error_message: 'AVX512F not available').allowed())
2658 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2659 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2660 .require(cc.links('''
2662 #include <immintrin.h>
2663 static int __attribute__((target("avx512bw"))) bar(void *a) {
2665 __m512i res= _mm512_abs_epi8(*x);
2668 int main(int argc, char *argv[]) { return bar(argv[0]); }
2669 '''), error_message: 'AVX512BW not available').allowed())
2671 have_pvrdma = get_option('pvrdma') \
2672 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2673 .require(cc.compiles(gnu_source_prefix + '''
2674 #include <sys/mman.h>
2679 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2682 }'''), error_message: 'PVRDMA requires mremap').allowed()
2685 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2686 #include <infiniband/verbs.h>
2690 struct ibv_pd *pd = NULL;
2696 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2702 if get_option('membarrier').disabled()
2703 have_membarrier = false
2704 elif targetos == 'windows'
2705 have_membarrier = true
2706 elif targetos == 'linux'
2707 have_membarrier = cc.compiles('''
2708 #include <linux/membarrier.h>
2709 #include <sys/syscall.h>
2713 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2714 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2718 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2719 .require(have_membarrier, error_message: 'membarrier system call not available') \
2722 have_afalg = get_option('crypto_afalg') \
2723 .require(cc.compiles(gnu_source_prefix + '''
2725 #include <sys/types.h>
2726 #include <sys/socket.h>
2727 #include <linux/if_alg.h>
2730 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2733 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2734 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2736 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2737 'linux/vm_sockets.h', 'AF_VSOCK',
2738 prefix: '#include <sys/socket.h>',
2742 have_vss_sdk = false # old xp/2003 SDK
2743 if targetos == 'windows' and link_language == 'cpp'
2744 have_vss = cxx.compiles('''
2745 #define __MIDL_user_allocate_free_DEFINED__
2747 int main(void) { return VSS_CTX_BACKUP; }''')
2748 have_vss_sdk = cxx.has_header('vscoordint.h')
2750 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2752 foreach k, v: config_host
2753 if k.startswith('CONFIG_')
2754 config_host_data.set(k, v == 'y' ? 1 : v)
2758 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2759 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2760 if targetos == 'windows'
2761 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2767 }''', name: '_lock_file and _unlock_file'))
2770 if targetos == 'windows'
2771 mingw_has_setjmp_longjmp = cc.links('''
2775 * These functions are not available in setjmp header, but may be
2776 * available at link time, from libmingwex.a.
2778 extern int __mingw_setjmp(jmp_buf);
2779 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2781 __mingw_setjmp(env);
2782 __mingw_longjmp(env, 0);
2784 ''', name: 'mingw setjmp and longjmp')
2786 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2787 error('mingw must provide setjmp/longjmp for windows-arm64')
2791 ########################
2792 # Target configuration #
2793 ########################
2795 minikconf = find_program('scripts/minikconf.py')
2797 config_all_devices = {}
2798 config_all_disas = {}
2799 config_devices_mak_list = []
2800 config_devices_h = {}
2801 config_target_h = {}
2802 config_target_mak = {}
2805 'alpha' : ['CONFIG_ALPHA_DIS'],
2806 'avr' : ['CONFIG_AVR_DIS'],
2807 'cris' : ['CONFIG_CRIS_DIS'],
2808 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2809 'hppa' : ['CONFIG_HPPA_DIS'],
2810 'i386' : ['CONFIG_I386_DIS'],
2811 'x86_64' : ['CONFIG_I386_DIS'],
2812 'm68k' : ['CONFIG_M68K_DIS'],
2813 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2814 'mips' : ['CONFIG_MIPS_DIS'],
2815 'nios2' : ['CONFIG_NIOS2_DIS'],
2816 'or1k' : ['CONFIG_OPENRISC_DIS'],
2817 'ppc' : ['CONFIG_PPC_DIS'],
2818 'riscv' : ['CONFIG_RISCV_DIS'],
2819 'rx' : ['CONFIG_RX_DIS'],
2820 's390' : ['CONFIG_S390_DIS'],
2821 'sh4' : ['CONFIG_SH4_DIS'],
2822 'sparc' : ['CONFIG_SPARC_DIS'],
2823 'xtensa' : ['CONFIG_XTENSA_DIS'],
2824 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2827 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2829 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2830 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2831 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2832 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2833 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2834 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2835 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2836 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2837 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2838 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2839 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2840 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2841 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2842 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2844 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2846 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2847 actual_target_dirs = []
2849 foreach target : target_dirs
2850 config_target = { 'TARGET_NAME': target.split('-')[0] }
2851 if target.endswith('linux-user')
2852 if targetos != 'linux'
2856 error('Target @0@ is only available on a Linux host'.format(target))
2858 config_target += { 'CONFIG_LINUX_USER': 'y' }
2859 elif target.endswith('bsd-user')
2860 if 'CONFIG_BSD' not in config_host
2864 error('Target @0@ is only available on a BSD host'.format(target))
2866 config_target += { 'CONFIG_BSD_USER': 'y' }
2867 elif target.endswith('softmmu')
2868 config_target += { 'CONFIG_SOFTMMU': 'y' }
2870 if target.endswith('-user')
2872 'CONFIG_USER_ONLY': 'y',
2873 'CONFIG_QEMU_INTERP_PREFIX':
2874 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2879 foreach sym: accelerators
2880 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2881 config_target += { sym: 'y' }
2882 config_all += { sym: 'y' }
2883 if target in modular_tcg
2884 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2886 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2888 accel_kconfig += [ sym + '=y' ]
2891 if accel_kconfig.length() == 0
2895 error('No accelerator available for target @0@'.format(target))
2898 actual_target_dirs += target
2899 config_target += keyval.load('configs/targets' / target + '.mak')
2900 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2902 if 'TARGET_NEED_FDT' in config_target
2903 fdt_required += target
2907 if 'TARGET_BASE_ARCH' not in config_target
2908 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2910 if 'TARGET_ABI_DIR' not in config_target
2911 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2913 if 'TARGET_BIG_ENDIAN' not in config_target
2914 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2917 foreach k, v: disassemblers
2918 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2920 config_target += { sym: 'y' }
2921 config_all_disas += { sym: 'y' }
2926 config_target_data = configuration_data()
2927 foreach k, v: config_target
2928 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2930 elif ignored.contains(k)
2932 elif k == 'TARGET_BASE_ARCH'
2933 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2934 # not used to select files from sourcesets.
2935 config_target_data.set('TARGET_' + v.to_upper(), 1)
2936 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2937 config_target_data.set_quoted(k, v)
2939 config_target_data.set(k, 1)
2941 config_target_data.set(k, 0)
2943 config_target_data.set(k, v)
2946 config_target_data.set('QEMU_ARCH',
2947 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2948 config_target_h += {target: configure_file(output: target + '-config-target.h',
2949 configuration: config_target_data)}
2951 if target.endswith('-softmmu')
2952 config_input = meson.get_external_property(target, 'default')
2953 config_devices_mak = target + '-config-devices.mak'
2954 config_devices_mak = configure_file(
2955 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2956 output: config_devices_mak,
2957 depfile: config_devices_mak + '.d',
2959 command: [minikconf,
2960 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2961 config_devices_mak, '@DEPFILE@', '@INPUT@',
2962 host_kconfig, accel_kconfig,
2963 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2965 config_devices_data = configuration_data()
2966 config_devices = keyval.load(config_devices_mak)
2967 foreach k, v: config_devices
2968 config_devices_data.set(k, 1)
2970 config_devices_mak_list += config_devices_mak
2971 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2972 configuration: config_devices_data)}
2973 config_target += config_devices
2974 config_all_devices += config_devices
2976 config_target_mak += {target: config_target}
2978 target_dirs = actual_target_dirs
2980 # This configuration is used to build files that are shared by
2981 # multiple binaries, and then extracted out of the "common"
2982 # static_library target.
2984 # We do not use all_sources()/all_dependencies(), because it would
2985 # build literally all source files, including devices only used by
2986 # targets that are not built for this compilation. The CONFIG_ALL
2987 # pseudo symbol replaces it.
2989 config_all += config_all_devices
2990 config_all += config_host
2991 config_all += config_all_disas
2993 'CONFIG_XEN': xen.found(),
2994 'CONFIG_SOFTMMU': have_system,
2995 'CONFIG_USER_ONLY': have_user,
2999 target_configs_h = []
3000 foreach target: target_dirs
3001 target_configs_h += config_target_h[target]
3002 target_configs_h += config_devices_h.get(target, [])
3004 genh += custom_target('config-poison.h',
3005 input: [target_configs_h],
3006 output: 'config-poison.h',
3008 command: [find_program('scripts/make-config-poison.sh'),
3015 capstone = not_found
3016 if not get_option('capstone').auto() or have_system or have_user
3017 capstone = dependency('capstone', version: '>=3.0.5',
3018 method: 'pkg-config',
3019 required: get_option('capstone'))
3021 # Some versions of capstone have broken pkg-config file
3022 # that reports a wrong -I path, causing the #include to
3023 # fail later. If the system has such a broken version
3025 if capstone.found() and not cc.compiles('#include <capstone.h>',
3026 dependencies: [capstone])
3027 capstone = not_found
3028 if get_option('capstone').enabled()
3029 error('capstone requested, but it does not appear to work')
3034 libvfio_user_dep = not_found
3035 if have_system and vfio_user_server_allowed
3036 libvfio_user_proj = subproject('libvfio-user', required: true)
3037 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3041 fdt_opt = get_option('fdt')
3042 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3043 if fdt_opt == 'disabled'
3044 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3047 if fdt_opt in ['enabled', 'auto', 'system']
3048 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3049 if fdt.found() and cc.links('''
3051 #include <libfdt_env.h>
3052 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3055 elif fdt_opt == 'system'
3056 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3058 fdt_opt = 'internal'
3063 assert(fdt_opt == 'internal')
3064 libfdt_proj = subproject('dtc', required: true,
3065 default_options: ['tools=false', 'yaml=disabled',
3066 'python=disabled', 'default_library=static'])
3067 fdt = libfdt_proj.get_variable('libfdt_dep')
3070 fdt_opt = 'disabled'
3073 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3074 config_host_data.set('CONFIG_FDT', fdt.found())
3075 config_host_data.set('CONFIG_SLIRP', slirp.found())
3077 #####################
3078 # Generated sources #
3079 #####################
3081 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3083 hxtool = find_program('scripts/hxtool')
3084 shaderinclude = find_program('scripts/shaderinclude.py')
3085 qapi_gen = find_program('scripts/qapi-gen.py')
3086 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3087 meson.current_source_dir() / 'scripts/qapi/commands.py',
3088 meson.current_source_dir() / 'scripts/qapi/common.py',
3089 meson.current_source_dir() / 'scripts/qapi/error.py',
3090 meson.current_source_dir() / 'scripts/qapi/events.py',
3091 meson.current_source_dir() / 'scripts/qapi/expr.py',
3092 meson.current_source_dir() / 'scripts/qapi/gen.py',
3093 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3094 meson.current_source_dir() / 'scripts/qapi/main.py',
3095 meson.current_source_dir() / 'scripts/qapi/parser.py',
3096 meson.current_source_dir() / 'scripts/qapi/schema.py',
3097 meson.current_source_dir() / 'scripts/qapi/source.py',
3098 meson.current_source_dir() / 'scripts/qapi/types.py',
3099 meson.current_source_dir() / 'scripts/qapi/visit.py',
3100 meson.current_source_dir() / 'scripts/qapi-gen.py'
3104 python, files('scripts/tracetool.py'),
3105 '--backend=' + ','.join(get_option('trace_backends'))
3107 tracetool_depends = files(
3108 'scripts/tracetool/backend/log.py',
3109 'scripts/tracetool/backend/__init__.py',
3110 'scripts/tracetool/backend/dtrace.py',
3111 'scripts/tracetool/backend/ftrace.py',
3112 'scripts/tracetool/backend/simple.py',
3113 'scripts/tracetool/backend/syslog.py',
3114 'scripts/tracetool/backend/ust.py',
3115 'scripts/tracetool/format/ust_events_c.py',
3116 'scripts/tracetool/format/ust_events_h.py',
3117 'scripts/tracetool/format/__init__.py',
3118 'scripts/tracetool/format/d.py',
3119 'scripts/tracetool/format/simpletrace_stap.py',
3120 'scripts/tracetool/format/c.py',
3121 'scripts/tracetool/format/h.py',
3122 'scripts/tracetool/format/log_stap.py',
3123 'scripts/tracetool/format/stap.py',
3124 'scripts/tracetool/__init__.py',
3125 'scripts/tracetool/vcpu.py'
3128 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3129 meson.current_source_dir(),
3130 get_option('pkgversion'), meson.project_version()]
3131 qemu_version = custom_target('qemu-version.h',
3132 output: 'qemu-version.h',
3133 command: qemu_version_cmd,
3135 build_by_default: true,
3136 build_always_stale: true)
3137 genh += qemu_version
3141 ['qemu-options.hx', 'qemu-options.def'],
3142 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3146 ['hmp-commands.hx', 'hmp-commands.h'],
3147 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3150 foreach d : hx_headers
3151 hxdep += custom_target(d[1],
3155 build_by_default: true, # to be removed when added to a target
3156 command: [hxtool, '-h', '@INPUT0@'])
3164 authz_ss = ss.source_set()
3165 blockdev_ss = ss.source_set()
3166 block_ss = ss.source_set()
3167 chardev_ss = ss.source_set()
3168 common_ss = ss.source_set()
3169 crypto_ss = ss.source_set()
3170 hwcore_ss = ss.source_set()
3171 io_ss = ss.source_set()
3172 qmp_ss = ss.source_set()
3173 qom_ss = ss.source_set()
3174 softmmu_ss = ss.source_set()
3175 specific_fuzz_ss = ss.source_set()
3176 specific_ss = ss.source_set()
3177 stub_ss = ss.source_set()
3178 trace_ss = ss.source_set()
3179 user_ss = ss.source_set()
3180 util_ss = ss.source_set()
3183 qtest_module_ss = ss.source_set()
3184 tcg_module_ss = ss.source_set()
3190 target_softmmu_arch = {}
3191 target_user_arch = {}
3197 # TODO: add each directory to the subdirs from its own meson.build, once
3199 trace_events_subdirs = [
3208 trace_events_subdirs += [ 'linux-user' ]
3211 trace_events_subdirs += [ 'bsd-user' ]
3214 trace_events_subdirs += [
3223 trace_events_subdirs += [
3237 'hw/block/dataplane',
3287 if have_system or have_user
3288 trace_events_subdirs += [
3306 vhost_user = not_found
3307 if targetos == 'linux' and have_vhost_user
3308 libvhost_user = subproject('libvhost-user')
3309 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3312 libvduse = not_found
3314 libvduse_proj = subproject('libvduse')
3315 libvduse = libvduse_proj.get_variable('libvduse_dep')
3318 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3319 # that is filled in by qapi/.
3333 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3334 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3337 qom_ss = qom_ss.apply(config_host, strict: false)
3338 libqom = static_library('qom', qom_ss.sources() + genh,
3339 dependencies: [qom_ss.dependencies()],
3341 qom = declare_dependency(link_whole: libqom)
3343 event_loop_base = files('event-loop-base.c')
3344 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3345 build_by_default: true)
3346 event_loop_base = declare_dependency(link_whole: event_loop_base,
3347 dependencies: [qom])
3349 stub_ss = stub_ss.apply(config_all, strict: false)
3351 util_ss.add_all(trace_ss)
3352 util_ss = util_ss.apply(config_all, strict: false)
3353 libqemuutil = static_library('qemuutil',
3354 sources: util_ss.sources() + stub_ss.sources() + genh,
3355 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3356 qemuutil = declare_dependency(link_with: libqemuutil,
3357 sources: genh + version_res,
3358 dependencies: [event_loop_base])
3360 if have_system or have_user
3361 decodetree = generator(find_program('scripts/decodetree.py'),
3362 output: 'decode-@BASENAME@.c.inc',
3363 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3364 subdir('libdecnumber')
3381 if config_host_data.get('CONFIG_REPLICATION')
3382 block_ss.add(files('replication.c'))
3389 blockdev_ss.add(files(
3396 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3397 # os-win32.c does not
3398 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3399 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3402 common_ss.add(files('cpus-common.c'))
3403 specific_ss.add(files('cpu.c'))
3407 # Work around a gcc bug/misfeature wherein constant propagation looks
3409 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3410 # to guess that a const variable is always zero. Without lto, this is
3411 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3412 # without lto, not even the alias is required -- we simply use different
3413 # declarations in different compilation units.
3414 pagevary = files('page-vary-common.c')
3415 if get_option('b_lto')
3416 pagevary_flags = ['-fno-lto']
3417 if get_option('cfi')
3418 pagevary_flags += '-fno-sanitize=cfi-icall'
3420 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3421 c_args: pagevary_flags)
3422 pagevary = declare_dependency(link_with: pagevary)
3424 common_ss.add(pagevary)
3425 specific_ss.add(files('page-vary.c'))
3433 subdir('semihosting')
3441 common_user_inc = []
3443 subdir('common-user')
3445 subdir('linux-user')
3447 # needed for fuzzing binaries
3448 subdir('tests/qtest/libqos')
3449 subdir('tests/qtest/fuzz')
3452 tcg_real_module_ss = ss.source_set()
3453 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3454 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3455 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3456 'tcg': tcg_real_module_ss }}
3458 ########################
3459 # Library dependencies #
3460 ########################
3462 modinfo_collect = find_program('scripts/modinfo-collect.py')
3463 modinfo_generate = find_program('scripts/modinfo-generate.py')
3468 foreach d, list : modules
3469 if not (d == 'block' ? have_block : have_system)
3473 foreach m, module_ss : list
3475 module_ss = module_ss.apply(config_all, strict: false)
3476 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3477 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3483 if module_ss.sources() != []
3484 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3485 # input. Sources can be used multiple times but objects are
3486 # unique when it comes to lookup in compile_commands.json.
3487 # Depnds on a mesion version with
3488 # https://github.com/mesonbuild/meson/pull/8900
3489 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3490 output: d + '-' + m + '.modinfo',
3491 input: module_ss.sources() + genh,
3493 command: [modinfo_collect, module_ss.sources()])
3497 block_ss.add_all(module_ss)
3499 softmmu_ss.add_all(module_ss)
3505 foreach d, list : target_modules
3506 foreach m, module_ss : list
3508 foreach target : target_dirs
3509 if target.endswith('-softmmu')
3510 config_target = config_target_mak[target]
3511 config_target += config_host
3512 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3513 c_args = ['-DNEED_CPU_H',
3514 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3515 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3516 target_module_ss = module_ss.apply(config_target, strict: false)
3517 if target_module_ss.sources() != []
3518 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3519 sl = static_library(module_name,
3520 [genh, target_module_ss.sources()],
3521 dependencies: [modulecommon, target_module_ss.dependencies()],
3522 include_directories: target_inc,
3526 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3527 modinfo_files += custom_target(module_name + '.modinfo',
3528 output: module_name + '.modinfo',
3529 input: target_module_ss.sources() + genh,
3531 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3536 specific_ss.add_all(module_ss)
3542 foreach target : target_dirs
3543 if target.endswith('-softmmu')
3544 config_target = config_target_mak[target]
3545 config_devices_mak = target + '-config-devices.mak'
3546 modinfo_src = custom_target('modinfo-' + target + '.c',
3547 output: 'modinfo-' + target + '.c',
3548 input: modinfo_files,
3549 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3552 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3553 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3555 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3556 hw_arch[arch].add(modinfo_dep)
3561 nm = find_program('nm')
3562 undefsym = find_program('scripts/undefsym.py')
3563 block_syms = custom_target('block.syms', output: 'block.syms',
3564 input: [libqemuutil, block_mods],
3566 command: [undefsym, nm, '@INPUT@'])
3567 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3568 input: [libqemuutil, softmmu_mods],
3570 command: [undefsym, nm, '@INPUT@'])
3572 authz_ss = authz_ss.apply(config_host, strict: false)
3573 libauthz = static_library('authz', authz_ss.sources() + genh,
3574 dependencies: [authz_ss.dependencies()],
3576 build_by_default: false)
3578 authz = declare_dependency(link_whole: libauthz,
3581 crypto_ss = crypto_ss.apply(config_host, strict: false)
3582 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3583 dependencies: [crypto_ss.dependencies()],
3585 build_by_default: false)
3587 crypto = declare_dependency(link_whole: libcrypto,
3588 dependencies: [authz, qom])
3590 io_ss = io_ss.apply(config_host, strict: false)
3591 libio = static_library('io', io_ss.sources() + genh,
3592 dependencies: [io_ss.dependencies()],
3593 link_with: libqemuutil,
3595 build_by_default: false)
3597 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3599 libmigration = static_library('migration', sources: migration_files + genh,
3601 build_by_default: false)
3602 migration = declare_dependency(link_with: libmigration,
3603 dependencies: [zlib, qom, io])
3604 softmmu_ss.add(migration)
3606 block_ss = block_ss.apply(config_host, strict: false)
3607 libblock = static_library('block', block_ss.sources() + genh,
3608 dependencies: block_ss.dependencies(),
3609 link_depends: block_syms,
3611 build_by_default: false)
3613 block = declare_dependency(link_whole: [libblock],
3614 link_args: '@block.syms',
3615 dependencies: [crypto, io])
3617 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3618 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3619 dependencies: blockdev_ss.dependencies(),
3621 build_by_default: false)
3623 blockdev = declare_dependency(link_whole: [libblockdev],
3624 dependencies: [block, event_loop_base])
3626 qmp_ss = qmp_ss.apply(config_host, strict: false)
3627 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3628 dependencies: qmp_ss.dependencies(),
3630 build_by_default: false)
3632 qmp = declare_dependency(link_whole: [libqmp])
3634 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3636 dependencies: chardev_ss.dependencies(),
3637 build_by_default: false)
3639 chardev = declare_dependency(link_whole: libchardev)
3641 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3642 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3644 build_by_default: false)
3645 hwcore = declare_dependency(link_whole: libhwcore)
3646 common_ss.add(hwcore)
3652 emulator_modules = []
3653 foreach m : block_mods + softmmu_mods
3654 emulator_modules += shared_module(m.name(),
3655 build_by_default: true,
3659 install_dir: qemu_moddir)
3661 if emulator_modules.length() > 0
3662 alias_target('modules', emulator_modules)
3665 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3666 common_ss.add(qom, qemuutil)
3668 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3669 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3671 common_all = common_ss.apply(config_all, strict: false)
3672 common_all = static_library('common',
3673 build_by_default: false,
3674 sources: common_all.sources() + genh,
3675 include_directories: common_user_inc,
3676 implicit_include_directories: false,
3677 dependencies: common_all.dependencies(),
3680 feature_to_c = find_program('scripts/feature_to_c.sh')
3682 if targetos == 'darwin'
3683 entitlement = find_program('scripts/entitlement.sh')
3687 foreach target : target_dirs
3688 config_target = config_target_mak[target]
3689 target_name = config_target['TARGET_NAME']
3690 target_base_arch = config_target['TARGET_BASE_ARCH']
3691 arch_srcs = [config_target_h[target]]
3693 c_args = ['-DNEED_CPU_H',
3694 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3695 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3696 link_args = emulator_link_args
3698 config_target += config_host
3699 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3700 if targetos == 'linux'
3701 target_inc += include_directories('linux-headers', is_system: true)
3703 if target.endswith('-softmmu')
3704 target_type='system'
3705 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3706 arch_srcs += t.sources()
3707 arch_deps += t.dependencies()
3709 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3710 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3711 arch_srcs += hw.sources()
3712 arch_deps += hw.dependencies()
3714 arch_srcs += config_devices_h[target]
3715 link_args += ['@block.syms', '@qemu.syms']
3717 abi = config_target['TARGET_ABI_DIR']
3719 target_inc += common_user_inc
3720 if target_base_arch in target_user_arch
3721 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3722 arch_srcs += t.sources()
3723 arch_deps += t.dependencies()
3725 if 'CONFIG_LINUX_USER' in config_target
3726 base_dir = 'linux-user'
3728 if 'CONFIG_BSD_USER' in config_target
3729 base_dir = 'bsd-user'
3730 target_inc += include_directories('bsd-user/' / targetos)
3731 target_inc += include_directories('bsd-user/host/' / host_arch)
3732 dir = base_dir / abi
3733 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3735 target_inc += include_directories(
3739 if 'CONFIG_LINUX_USER' in config_target
3740 dir = base_dir / abi
3741 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3742 if config_target.has_key('TARGET_SYSTBL_ABI')
3744 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3745 extra_args : config_target['TARGET_SYSTBL_ABI'])
3750 if 'TARGET_XML_FILES' in config_target
3751 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3752 output: target + '-gdbstub-xml.c',
3753 input: files(config_target['TARGET_XML_FILES'].split()),
3754 command: [feature_to_c, '@INPUT@'],
3756 arch_srcs += gdbstub_xml
3759 t = target_arch[target_base_arch].apply(config_target, strict: false)
3760 arch_srcs += t.sources()
3761 arch_deps += t.dependencies()
3763 target_common = common_ss.apply(config_target, strict: false)
3764 objects = common_all.extract_objects(target_common.sources())
3765 deps = target_common.dependencies()
3767 target_specific = specific_ss.apply(config_target, strict: false)
3768 arch_srcs += target_specific.sources()
3769 arch_deps += target_specific.dependencies()
3771 lib = static_library('qemu-' + target,
3772 sources: arch_srcs + genh,
3773 dependencies: arch_deps,
3775 include_directories: target_inc,
3777 build_by_default: false,
3780 if target.endswith('-softmmu')
3782 'name': 'qemu-system-' + target_name,
3783 'win_subsystem': 'console',
3784 'sources': files('softmmu/main.c'),
3787 if targetos == 'windows' and (sdl.found() or gtk.found())
3789 'name': 'qemu-system-' + target_name + 'w',
3790 'win_subsystem': 'windows',
3791 'sources': files('softmmu/main.c'),
3795 if get_option('fuzzing')
3796 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3798 'name': 'qemu-fuzz-' + target_name,
3799 'win_subsystem': 'console',
3800 'sources': specific_fuzz.sources(),
3801 'dependencies': specific_fuzz.dependencies(),
3806 'name': 'qemu-' + target_name,
3807 'win_subsystem': 'console',
3813 exe_name = exe['name']
3814 if targetos == 'darwin'
3815 exe_name += '-unsigned'
3818 emulator = executable(exe_name, exe['sources'],
3821 dependencies: arch_deps + deps + exe['dependencies'],
3822 objects: lib.extract_all_objects(recursive: true),
3823 link_language: link_language,
3824 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3825 link_args: link_args,
3826 win_subsystem: exe['win_subsystem'])
3828 if targetos == 'darwin'
3829 icon = 'pc-bios/qemu.rsrc'
3830 build_input = [emulator, files(icon)]
3832 get_option('bindir') / exe_name,
3833 meson.current_source_dir() / icon
3835 if 'CONFIG_HVF' in config_target
3836 entitlements = 'accel/hvf/entitlements.plist'
3837 build_input += files(entitlements)
3838 install_input += meson.current_source_dir() / entitlements
3841 emulators += {exe['name'] : custom_target(exe['name'],
3843 output: exe['name'],
3844 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3847 meson.add_install_script(entitlement, '--install',
3848 get_option('bindir') / exe['name'],
3851 emulators += {exe['name']: emulator}
3856 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3857 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3858 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3859 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3861 custom_target(exe['name'] + stp['ext'],
3862 input: trace_events_all,
3863 output: exe['name'] + stp['ext'],
3864 install: stp['install'],
3865 install_dir: get_option('datadir') / 'systemtap/tapset',
3867 tracetool, '--group=all', '--format=' + stp['fmt'],
3868 '--binary=' + stp['bin'],
3869 '--target-name=' + target_name,
3870 '--target-type=' + target_type,
3871 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3872 '@INPUT@', '@OUTPUT@'
3874 depend_files: tracetool_depends)
3880 # Other build targets
3882 if 'CONFIG_PLUGIN' in config_host
3883 install_headers('include/qemu/qemu-plugin.h')
3888 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3889 # when we don't build tools or system
3890 if xkbcommon.found()
3891 # used for the update-keymaps target, so include rules even if !have_tools
3892 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3893 dependencies: [qemuutil, xkbcommon], install: have_tools)
3897 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3898 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3899 qemu_io = executable('qemu-io', files('qemu-io.c'),
3900 dependencies: [block, qemuutil], install: true)
3901 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3902 dependencies: [blockdev, qemuutil, gnutls, selinux],
3905 subdir('storage-daemon')
3906 subdir('contrib/rdmacm-mux')
3907 subdir('contrib/elf2dmp')
3909 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3910 dependencies: qemuutil,
3914 subdir('contrib/vhost-user-blk')
3915 subdir('contrib/vhost-user-gpu')
3916 subdir('contrib/vhost-user-input')
3917 subdir('contrib/vhost-user-scsi')
3920 if targetos == 'linux'
3921 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3922 dependencies: [qemuutil, libcap_ng],
3924 install_dir: get_option('libexecdir'))
3926 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3927 dependencies: [authz, crypto, io, qom, qemuutil,
3928 libcap_ng, mpathpersist],
3933 subdir('contrib/ivshmem-client')
3934 subdir('contrib/ivshmem-server')
3947 if host_machine.system() == 'windows'
3949 find_program('scripts/nsis.py'),
3951 get_option('prefix'),
3952 meson.current_source_dir(),
3953 glib_pc.get_variable('bindir'),
3956 '-DDISPLAYVERSION=' + meson.project_version(),
3959 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3962 nsis_cmd += '-DCONFIG_GTK=y'
3965 nsis = custom_target('nsis',
3966 output: 'qemu-setup-' + meson.project_version() + '.exe',
3967 input: files('qemu.nsi'),
3968 build_always_stale: true,
3969 command: nsis_cmd + ['@INPUT@'])
3970 alias_target('installer', nsis)
3973 #########################
3974 # Configuration summary #
3975 #########################
3979 summary_info += {'Build directory': meson.current_build_dir()}
3980 summary_info += {'Source path': meson.current_source_dir()}
3981 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3982 summary(summary_info, bool_yn: true, section: 'Build environment')
3985 summary_info += {'Install prefix': get_option('prefix')}
3986 summary_info += {'BIOS directory': qemu_datadir}
3987 pathsep = targetos == 'windows' ? ';' : ':'
3988 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3989 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3990 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3991 summary_info += {'module directory': qemu_moddir}
3992 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3993 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3994 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3995 if targetos != 'windows'
3996 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3997 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3999 summary_info += {'local state directory': 'queried at runtime'}
4001 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4002 summary(summary_info, bool_yn: true, section: 'Directories')
4006 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4007 summary_info += {'sphinx-build': sphinx_build}
4008 if config_host.has_key('HAVE_GDB_BIN')
4009 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4011 summary_info += {'iasl': iasl}
4012 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4013 if targetos == 'windows' and have_ga
4014 summary_info += {'wixl': wixl}
4016 if slirp.found() and have_system
4017 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4019 summary(summary_info, bool_yn: true, section: 'Host binaries')
4021 # Configurable features
4023 summary_info += {'Documentation': build_docs}
4024 summary_info += {'system-mode emulation': have_system}
4025 summary_info += {'user-mode emulation': have_user}
4026 summary_info += {'block layer': have_block}
4027 summary_info += {'Install blobs': get_option('install_blobs')}
4028 summary_info += {'module support': enable_modules}
4030 summary_info += {'alternative module path': get_option('module_upgrades')}
4032 summary_info += {'fuzzing support': get_option('fuzzing')}
4034 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4036 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4037 if 'simple' in get_option('trace_backends')
4038 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4040 summary_info += {'D-Bus display': dbus_display}
4041 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4042 summary_info += {'vhost-kernel support': have_vhost_kernel}
4043 summary_info += {'vhost-net support': have_vhost_net}
4044 summary_info += {'vhost-user support': have_vhost_user}
4045 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4046 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4047 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4048 summary_info += {'build guest agent': have_ga}
4049 summary(summary_info, bool_yn: true, section: 'Configurable features')
4051 # Compilation information
4053 summary_info += {'host CPU': cpu}
4054 summary_info += {'host endianness': build_machine.endian()}
4055 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4056 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4057 if link_language == 'cpp'
4058 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4060 summary_info += {'C++ compiler': false}
4062 if targetos == 'darwin'
4063 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4065 option_cflags = (get_option('debug') ? ['-g'] : [])
4066 if get_option('optimization') != 'plain'
4067 option_cflags += ['-O' + get_option('optimization')]
4069 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4070 if link_language == 'cpp'
4071 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4073 if targetos == 'darwin'
4074 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4076 link_args = get_option(link_language + '_link_args')
4077 if link_args.length() > 0
4078 summary_info += {'LDFLAGS': ' '.join(link_args)}
4080 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4081 if 'cpp' in all_languages
4082 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4084 if 'objc' in all_languages
4085 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4087 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4088 summary_info += {'profiler': get_option('profiler')}
4089 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4090 summary_info += {'PIE': get_option('b_pie')}
4091 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
4092 summary_info += {'malloc trim support': has_malloc_trim}
4093 summary_info += {'membarrier': have_membarrier}
4094 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4095 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4096 summary_info += {'mutex debugging': get_option('debug_mutex')}
4097 summary_info += {'memory allocator': get_option('malloc')}
4098 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4099 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4100 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4101 if get_option('gprof')
4102 gprof_info = 'YES (deprecated)'
4104 gprof_info = get_option('gprof')
4106 summary_info += {'gprof': gprof_info}
4107 summary_info += {'gcov': get_option('b_coverage')}
4108 summary_info += {'thread sanitizer': get_option('tsan')}
4109 summary_info += {'CFI support': get_option('cfi')}
4110 if get_option('cfi')
4111 summary_info += {'CFI debug support': get_option('cfi_debug')}
4113 summary_info += {'strip binaries': get_option('strip')}
4114 summary_info += {'sparse': sparse}
4115 summary_info += {'mingw32 support': targetos == 'windows'}
4116 summary(summary_info, bool_yn: true, section: 'Compilation')
4118 # snarf the cross-compilation information for tests
4121 foreach target: target_dirs
4122 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4123 if fs.exists(tcg_mak)
4124 config_cross_tcg = keyval.load(tcg_mak)
4125 if 'CC' in config_cross_tcg
4126 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4132 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4135 # Targets and accelerators
4138 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4139 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4140 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4141 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4142 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4143 summary_info += {'Xen support': xen.found()}
4145 summary_info += {'xen ctrl version': xen.version()}
4147 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4149 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4150 if config_all.has_key('CONFIG_TCG')
4151 if get_option('tcg_interpreter')
4152 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4154 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4156 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4157 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4159 summary_info += {'target list': ' '.join(target_dirs)}
4161 summary_info += {'default devices': get_option('default_devices')}
4162 summary_info += {'out of process emulation': multiprocess_allowed}
4163 summary_info += {'vfio-user server': vfio_user_server_allowed}
4165 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4169 summary_info += {'coroutine backend': coroutine_backend}
4170 summary_info += {'coroutine pool': have_coroutine_pool}
4172 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4173 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4174 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4175 summary_info += {'VirtFS (9P) support': have_virtfs}
4176 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4177 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4178 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4179 summary_info += {'bochs support': get_option('bochs').allowed()}
4180 summary_info += {'cloop support': get_option('cloop').allowed()}
4181 summary_info += {'dmg support': get_option('dmg').allowed()}
4182 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4183 summary_info += {'vdi support': get_option('vdi').allowed()}
4184 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4185 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4186 summary_info += {'vpc support': get_option('vpc').allowed()}
4187 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4188 summary_info += {'qed support': get_option('qed').allowed()}
4189 summary_info += {'parallels support': get_option('parallels').allowed()}
4190 summary_info += {'FUSE exports': fuse}
4191 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4193 summary(summary_info, bool_yn: true, section: 'Block layer support')
4197 summary_info += {'TLS priority': get_option('tls_priority')}
4198 summary_info += {'GNUTLS support': gnutls}
4200 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4202 summary_info += {'libgcrypt': gcrypt}
4203 summary_info += {'nettle': nettle}
4205 summary_info += {' XTS': xts != 'private'}
4207 summary_info += {'AF_ALG support': have_afalg}
4208 summary_info += {'rng-none': get_option('rng_none')}
4209 summary_info += {'Linux keyring': have_keyring}
4210 summary(summary_info, bool_yn: true, section: 'Crypto')
4214 if targetos == 'darwin'
4215 summary_info += {'Cocoa support': cocoa}
4217 summary_info += {'SDL support': sdl}
4218 summary_info += {'SDL image support': sdl_image}
4219 summary_info += {'GTK support': gtk}
4220 summary_info += {'pixman': pixman}
4221 summary_info += {'VTE support': vte}
4222 summary_info += {'PNG support': png}
4223 summary_info += {'VNC support': vnc}
4225 summary_info += {'VNC SASL support': sasl}
4226 summary_info += {'VNC JPEG support': jpeg}
4228 summary_info += {'spice protocol support': spice_protocol}
4229 if spice_protocol.found()
4230 summary_info += {' spice server support': spice}
4232 summary_info += {'curses support': curses}
4233 summary_info += {'brlapi support': brlapi}
4234 summary(summary_info, bool_yn: true, section: 'User interface')
4238 if targetos not in ['darwin', 'haiku', 'windows']
4239 summary_info += {'OSS support': oss}
4240 summary_info += {'sndio support': sndio}
4241 elif targetos == 'darwin'
4242 summary_info += {'CoreAudio support': coreaudio}
4243 elif targetos == 'windows'
4244 summary_info += {'DirectSound support': dsound}
4246 if targetos == 'linux'
4247 summary_info += {'ALSA support': alsa}
4248 summary_info += {'PulseAudio support': pulse}
4250 summary_info += {'Pipewire support': pipewire}
4251 summary_info += {'JACK support': jack}
4252 summary(summary_info, bool_yn: true, section: 'Audio backends')
4256 if targetos == 'darwin'
4257 summary_info += {'vmnet.framework support': vmnet}
4259 summary_info += {'slirp support': slirp}
4260 summary_info += {'vde support': vde}
4261 summary_info += {'netmap support': have_netmap}
4262 summary_info += {'l2tpv3 support': have_l2tpv3}
4263 summary(summary_info, bool_yn: true, section: 'Network backends')
4267 summary_info += {'libtasn1': tasn1}
4268 summary_info += {'PAM': pam}
4269 summary_info += {'iconv support': iconv}
4270 summary_info += {'virgl support': virgl}
4271 summary_info += {'blkio support': blkio}
4272 summary_info += {'curl support': curl}
4273 summary_info += {'Multipath support': mpathpersist}
4274 summary_info += {'Linux AIO support': libaio}
4275 summary_info += {'Linux io_uring support': linux_io_uring}
4276 summary_info += {'ATTR/XATTR support': libattr}
4277 summary_info += {'RDMA support': rdma}
4278 summary_info += {'PVRDMA support': have_pvrdma}
4279 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4280 summary_info += {'libcap-ng support': libcap_ng}
4281 summary_info += {'bpf support': libbpf}
4282 summary_info += {'rbd support': rbd}
4283 summary_info += {'smartcard support': cacard}
4284 summary_info += {'U2F support': u2f}
4285 summary_info += {'libusb': libusb}
4286 summary_info += {'usb net redir': usbredir}
4287 summary_info += {'OpenGL support (epoxy)': opengl}
4288 summary_info += {'GBM': gbm}
4289 summary_info += {'libiscsi support': libiscsi}
4290 summary_info += {'libnfs support': libnfs}
4291 if targetos == 'windows'
4293 summary_info += {'QGA VSS support': have_qga_vss}
4296 summary_info += {'seccomp support': seccomp}
4297 summary_info += {'GlusterFS support': glusterfs}
4298 summary_info += {'TPM support': have_tpm}
4299 summary_info += {'libssh support': libssh}
4300 summary_info += {'lzo support': lzo}
4301 summary_info += {'snappy support': snappy}
4302 summary_info += {'bzip2 support': libbzip2}
4303 summary_info += {'lzfse support': liblzfse}
4304 summary_info += {'zstd support': zstd}
4305 summary_info += {'NUMA host support': numa}
4306 summary_info += {'capstone': capstone}
4307 summary_info += {'libpmem support': libpmem}
4308 summary_info += {'libdaxctl support': libdaxctl}
4309 summary_info += {'libudev': libudev}
4310 # Dummy dependency, keep .found()
4311 summary_info += {'FUSE lseek': fuse_lseek.found()}
4312 summary_info += {'selinux': selinux}
4313 summary_info += {'libdw': libdw}
4314 summary(summary_info, bool_yn: true, section: 'Dependencies')
4316 if not supported_cpus.contains(cpu)
4318 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4320 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4321 message('The QEMU project intends to remove support for this host CPU in')
4322 message('a future release if nobody volunteers to maintain it and to')
4323 message('provide a build host for our continuous integration setup.')
4324 message('configure has succeeded and you can continue to build, but')
4325 message('if you care about QEMU on this platform you should contact')
4326 message('us upstream at qemu-devel@nongnu.org.')
4329 if not supported_oses.contains(targetos)
4331 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4333 message('Host OS ' + targetos + 'support is not currently maintained.')
4334 message('The QEMU project intends to remove support for this host OS in')
4335 message('a future release if nobody volunteers to maintain it and to')
4336 message('provide a build host for our continuous integration setup.')
4337 message('configure has succeeded and you can continue to build, but')
4338 message('if you care about QEMU on this platform you should contact')
4339 message('us upstream at qemu-devel@nongnu.org.')