1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 targetos = host_machine.system()
18 sh = find_program('sh')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
21 cc = meson.get_compiler('c')
23 if add_languages('cpp', required: false, native: false)
24 all_languages += ['cpp']
25 cxx = meson.get_compiler('cpp')
27 if targetos == 'darwin' and \
28 add_languages('objc', required: get_option('cocoa'), native: false)
29 all_languages += ['objc']
30 objc = meson.get_compiler('objc')
33 # Temporary directory used for files created while
34 # configure runs. Since it is in the build directory
35 # we can safely blow away any previous version of it
36 # (and we need not jump through hoops to try to delete
37 # it when configure exits.)
38 tmpdir = meson.current_build_dir() / 'meson-private/temp'
40 if get_option('qemu_suffix').startswith('/')
41 error('qemu_suffix cannot start with a /')
44 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
49 qemu_desktopdir = get_option('datadir') / 'applications'
50 qemu_icondir = get_option('datadir') / 'icons'
52 config_host_data = configuration_data()
54 qapi_trace_events = []
56 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 # Unify riscv* to a single family.
64 if cpu in ['riscv32', 'riscv64']
68 target_dirs = config_host['TARGET_DIRS'].split()
69 have_linux_user = false
72 foreach target : target_dirs
73 have_linux_user = have_linux_user or target.endswith('linux-user')
74 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
75 have_system = have_system or target.endswith('-softmmu')
77 have_user = have_linux_user or have_bsd_user
78 have_tools = get_option('tools') \
79 .disable_auto_if(not have_system) \
81 have_ga = get_option('guest_agent') \
82 .disable_auto_if(not have_system and not have_tools) \
83 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
84 error_message: 'unsupported OS for QEMU guest agent') \
86 enable_modules = get_option('modules') \
87 .require(targetos != 'windows',
88 error_message: 'Modules are not available for Windows') \
89 .require(not get_option('prefer_static'),
90 error_message: 'Modules are incompatible with static linking') \
92 have_block = have_system or have_tools
94 python = import('python').find_installation()
96 if cpu not in supported_cpus
106 if cpu in ['x86', 'x86_64']
107 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
108 elif cpu == 'aarch64'
109 kvm_targets = ['aarch64-softmmu']
111 kvm_targets = ['s390x-softmmu']
112 elif cpu in ['ppc', 'ppc64']
113 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
114 elif cpu in ['mips', 'mips64']
115 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
116 elif cpu in ['riscv']
117 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
123 if get_option('kvm').allowed() and targetos == 'linux'
124 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
126 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
128 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
130 if cpu in ['aarch64']
131 accelerator_targets += {
132 'CONFIG_HVF': ['aarch64-softmmu']
136 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
137 # i386 emulator provides xenpv machine type for multiple architectures
138 accelerator_targets += {
139 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
142 if cpu in ['x86', 'x86_64']
143 accelerator_targets += {
144 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_HVF': ['x86_64-softmmu'],
146 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
147 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
152 # Darwin does not support references to thread-local variables in modules
153 if targetos != 'darwin'
154 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
157 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
158 unpack_edk2_blobs = false
159 foreach target : edk2_targets
160 if target in target_dirs
161 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
162 unpack_edk2_blobs = bzip2.found()
169 if 'dtrace' in get_option('trace_backends')
170 dtrace = find_program('dtrace', required: true)
171 stap = find_program('stap', required: false)
173 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
174 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
175 # instead. QEMU --enable-modules depends on this because the SystemTap
176 # semaphores are linked into the main binary and not the module's shared
178 add_global_arguments('-DSTAP_SDT_V2',
179 native: false, language: all_languages)
183 if get_option('iasl') == ''
184 iasl = find_program('iasl', required: false)
186 iasl = find_program(get_option('iasl'), required: true)
193 foreach lang : all_languages
194 compiler = meson.get_compiler(lang)
195 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
197 elif compiler.get_id() == 'clang' and compiler.compiles('''
198 #ifdef __apple_build_version__
199 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
200 # error You need at least XCode Clang v12.0 to compile QEMU
203 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
204 # error You need at least Clang v10.0 to compile QEMU
209 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
213 # default flags for all hosts
214 # We use -fwrapv to tell the compiler that we require a C dialect where
215 # left shift of signed integers is well defined and has the expected
216 # 2s-complement style results. (Both clang and gcc agree that it
217 # provides these semantics.)
219 qemu_common_flags = [
220 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
221 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
225 if targetos == 'darwin'
226 # Disable attempts to use ObjectiveC features in os/object.h since they
227 # won't work when we're compiling with gcc as a C compiler.
228 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'solaris'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Check that the C++ compiler exists and works with the C compiler.
480 if 'cpp' in all_languages
481 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483 link_language = 'cpp'
486 message('C++ compiler does not work with C compiler')
487 message('Disabling C++-specific optional code')
491 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492 if get_option('optimization') != '0' and targetos == 'linux'
493 if cc.get_id() == 'gcc'
494 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
496 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
501 add_project_arguments(qemu_cflags, native: false, language: 'c')
502 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503 if 'cpp' in all_languages
504 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
507 if 'objc' in all_languages
508 # Note sanitizer flags are not applied to Objective-C sources!
509 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
511 if targetos == 'linux'
512 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513 '-isystem', 'linux-headers',
514 language: all_languages)
517 add_project_arguments('-iquote', '.',
518 '-iquote', meson.current_source_dir(),
519 '-iquote', meson.current_source_dir() / 'include',
520 language: all_languages)
522 # If a host-specific include directory exists, list that first...
523 host_include = meson.current_source_dir() / 'host/include/'
524 if fs.is_dir(host_include / host_arch)
525 add_project_arguments('-iquote', host_include / host_arch,
526 language: all_languages)
528 # ... followed by the generic fallback.
529 add_project_arguments('-iquote', host_include / 'generic',
530 language: all_languages)
532 sparse = find_program('cgcc', required: get_option('sparse'))
535 command: [find_program('scripts/check_sparse.py'),
536 'compile_commands.json', sparse.full_path(), '-Wbitwise',
537 '-Wno-transparent-union', '-Wno-old-initializer',
538 '-Wno-non-pointer-null'])
541 ###########################################
542 # Target-specific checks and dependencies #
543 ###########################################
546 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
549 #include <sys/types.h>
550 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
553 args: ['-Werror', '-fsanitize=fuzzer'])
554 error('Your compiler does not support -fsanitize=fuzzer')
558 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559 error('ftrace is supported only on Linux')
561 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
564 openlog("qemu", LOG_PID, LOG_DAEMON);
565 syslog(LOG_INFO, "configure");
568 error('syslog is not supported on this system')
571 # Miscellaneous Linux-only features
572 get_option('mpath') \
573 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
575 multiprocess_allowed = get_option('multiprocess') \
576 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
579 vfio_user_server_allowed = get_option('vfio_user_server') \
580 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
583 have_tpm = get_option('tpm') \
584 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
588 have_vhost_user = get_option('vhost_user') \
589 .disable_auto_if(targetos != 'linux') \
590 .require(targetos != 'windows',
591 error_message: 'vhost-user is not available on Windows').allowed()
592 have_vhost_vdpa = get_option('vhost_vdpa') \
593 .require(targetos == 'linux',
594 error_message: 'vhost-vdpa is only available on Linux').allowed()
595 have_vhost_kernel = get_option('vhost_kernel') \
596 .require(targetos == 'linux',
597 error_message: 'vhost-kernel is only available on Linux').allowed()
598 have_vhost_user_crypto = get_option('vhost_crypto') \
599 .require(have_vhost_user,
600 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
602 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
604 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
609 # Target-specific libraries and flags
610 libm = cc.find_library('m', required: false)
611 threads = dependency('threads')
612 util = cc.find_library('util', required: false)
618 emulator_link_args = []
625 if targetos == 'windows'
626 midl = find_program('midl', required: false)
627 widl = find_program('widl', required: false)
628 pathcch = cc.find_library('pathcch')
629 socket = cc.find_library('ws2_32')
630 winmm = cc.find_library('winmm')
632 win = import('windows')
633 version_res = win.compile_resources('version.rc',
634 depend_files: files('pc-bios/qemu-nsis.ico'),
635 include_directories: include_directories('.'))
637 elif targetos == 'darwin'
638 coref = dependency('appleframeworks', modules: 'CoreFoundation')
639 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640 host_dsosuf = '.dylib'
641 elif targetos == 'sunos'
642 socket = [cc.find_library('socket'),
643 cc.find_library('nsl'),
644 cc.find_library('resolv')]
645 elif targetos == 'haiku'
646 socket = [cc.find_library('posix_error_mapper'),
647 cc.find_library('network'),
648 cc.find_library('bsd')]
649 elif targetos == 'openbsd'
650 if get_option('tcg').allowed() and target_dirs.length() > 0
651 # Disable OpenBSD W^X if available
652 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
656 # Target-specific configuration of accelerators
658 if get_option('kvm').allowed() and targetos == 'linux'
659 accelerators += 'CONFIG_KVM'
661 if get_option('whpx').allowed() and targetos == 'windows'
662 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663 error('WHPX requires 64-bit host')
664 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
665 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
666 accelerators += 'CONFIG_WHPX'
669 if get_option('hvf').allowed()
670 hvf = dependency('appleframeworks', modules: 'Hypervisor',
671 required: get_option('hvf'))
673 accelerators += 'CONFIG_HVF'
676 if get_option('hax').allowed()
677 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678 accelerators += 'CONFIG_HAX'
681 if targetos == 'netbsd'
682 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
684 accelerators += 'CONFIG_NVMM'
689 if get_option('tcg').allowed()
690 if host_arch == 'unknown'
691 if get_option('tcg_interpreter')
692 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
694 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
696 elif get_option('tcg_interpreter')
697 warning('Use of the TCG interpreter is not recommended on this host')
698 warning('architecture. There is a native TCG execution backend available')
699 warning('which provides substantially better performance and reliability.')
700 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701 warning('configuration option on this architecture to use the native')
704 if get_option('tcg_interpreter')
706 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707 elif host_arch == 'x86_64'
709 elif host_arch == 'ppc64'
712 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713 language: all_languages)
715 accelerators += 'CONFIG_TCG'
716 config_host += { 'CONFIG_TCG': 'y' }
719 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720 error('KVM not available on this platform')
722 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723 error('HVF not available on this platform')
725 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726 error('NVMM not available on this platform')
728 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729 error('WHPX not available on this platform')
736 # When bumping glib minimum version, please check also whether to increase
737 # the _WIN32_WINNT setting in osdep.h according to the value from glib
738 glib_req_ver = '>=2.56.0'
739 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740 method: 'pkg-config')
743 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744 method: 'pkg-config')
745 elif config_host.has_key('CONFIG_PLUGIN')
746 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747 method: 'pkg-config')
752 # This workaround is required due to a bug in pkg-config file for glib as it
753 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754 if targetos == 'windows' and get_option('prefer_static')
755 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
758 # Sanity check that the current size_t matches the
759 # size that glib thinks it should be. This catches
760 # problems on multi-arch where people try to build
761 # 32-bit QEMU while pointing at 64-bit glib headers
763 if not cc.compiles('''
767 #define QEMU_BUILD_BUG_ON(x) \
768 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
771 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
773 }''', dependencies: glib_pc, args: glib_cflags)
774 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775 You probably need to set PKG_CONFIG_LIBDIR" to point
776 to the right pkg-config files for your build target.''')
779 # Silence clang warnings triggered by glib < 2.57.2
780 if not cc.compiles('''
785 static void foo_free(Foo *f)
789 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
793 glib = declare_dependency(dependencies: [glib_pc, gmodule],
794 compile_args: glib_cflags,
795 version: glib_pc.version())
797 # Check whether glib has gslice, which we have to avoid for correctness.
798 # TODO: remove this check and the corresponding workaround (qtree) when
799 # the minimum supported glib is >= 2.75.3
800 glib_has_gslice = glib.version().version_compare('<2.75.3')
802 # override glib dep to include the above refinements
803 meson.override_dependency('glib-2.0', glib)
805 # The path to glib.h is added to all compilation commands.
806 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807 native: false, language: all_languages)
810 gdbus_codegen = not_found
811 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812 if not get_option('gio').auto() or have_system
813 gio = dependency('gio-2.0', required: get_option('gio'),
814 method: 'pkg-config')
815 if gio.found() and not cc.links('''
819 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
821 }''', dependencies: [glib, gio])
822 if get_option('gio').enabled()
823 error('The installed libgio is broken for static linking')
828 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829 required: get_option('gio'))
830 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831 method: 'pkg-config')
832 gio = declare_dependency(dependencies: [gio, gio_unix],
833 version: gio.version())
836 if gdbus_codegen.found() and get_option('cfi')
837 gdbus_codegen = not_found
838 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
842 if 'ust' in get_option('trace_backends')
843 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
844 method: 'pkg-config')
847 if have_system or have_tools
848 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
849 method: 'pkg-config')
851 zlib = dependency('zlib', required: true)
854 if not get_option('linux_aio').auto() or have_block
855 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
856 required: get_option('linux_aio'))
859 linux_io_uring_test = '''
860 #include <liburing.h>
861 #include <linux/errqueue.h>
863 int main(void) { return 0; }'''
865 linux_io_uring = not_found
866 if not get_option('linux_io_uring').auto() or have_block
867 linux_io_uring = dependency('liburing', version: '>=0.3',
868 required: get_option('linux_io_uring'),
869 method: 'pkg-config')
870 if not cc.links(linux_io_uring_test)
871 linux_io_uring = not_found
876 if not get_option('libnfs').auto() or have_block
877 libnfs = dependency('libnfs', version: '>=1.9.3',
878 required: get_option('libnfs'),
879 method: 'pkg-config')
884 #include <sys/types.h>
885 #ifdef CONFIG_LIBATTR
886 #include <attr/xattr.h>
888 #include <sys/xattr.h>
890 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
893 have_old_libattr = false
894 if get_option('attr').allowed()
895 if cc.links(libattr_test)
896 libattr = declare_dependency()
898 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
899 required: get_option('attr'))
900 if libattr.found() and not \
901 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
903 if get_option('attr').enabled()
904 error('could not link libattr')
906 warning('could not link libattr, disabling')
909 have_old_libattr = libattr.found()
914 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
915 required: get_option('cocoa'))
917 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
918 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
919 'VMNET_BRIDGED_MODE',
922 if get_option('vmnet').enabled()
923 error('vmnet.framework API is outdated')
925 warning('vmnet.framework API is outdated, disabling')
930 seccomp_has_sysrawrc = false
931 if not get_option('seccomp').auto() or have_system or have_tools
932 seccomp = dependency('libseccomp', version: '>=2.3.0',
933 required: get_option('seccomp'),
934 method: 'pkg-config')
936 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
937 'SCMP_FLTATR_API_SYSRAWRC',
938 dependencies: seccomp)
942 libcap_ng = not_found
943 if not get_option('cap_ng').auto() or have_system or have_tools
944 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
945 required: get_option('cap_ng'))
947 if libcap_ng.found() and not cc.links('''
951 capng_capability_to_name(CAPNG_EFFECTIVE);
953 }''', dependencies: libcap_ng)
954 libcap_ng = not_found
955 if get_option('cap_ng').enabled()
956 error('could not link libcap-ng')
958 warning('could not link libcap-ng, disabling')
962 if get_option('xkbcommon').auto() and not have_system and not have_tools
963 xkbcommon = not_found
965 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
966 method: 'pkg-config')
970 if not get_option('slirp').auto() or have_system
971 slirp = dependency('slirp', required: get_option('slirp'),
972 method: 'pkg-config')
973 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
974 # it passes function pointers within libslirp as callbacks for timers.
975 # When using a system-wide shared libslirp, the type information for the
976 # callback is missing and the timer call produces a false positive with CFI.
977 # Do not use the "version" keyword argument to produce a better error.
978 # with control-flow integrity.
979 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
980 if get_option('slirp').enabled()
981 error('Control-Flow Integrity requires libslirp 4.7.')
983 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
990 if not get_option('vde').auto() or have_system or have_tools
991 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
992 required: get_option('vde'))
994 if vde.found() and not cc.links('''
995 #include <libvdeplug.h>
998 struct vde_open_args a = {0, 0, 0};
1002 }''', dependencies: vde)
1004 if get_option('cap_ng').enabled()
1005 error('could not link libvdeplug')
1007 warning('could not link libvdeplug, disabling')
1012 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1013 pulse = dependency('libpulse', required: get_option('pa'),
1014 method: 'pkg-config')
1017 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1018 alsa = dependency('alsa', required: get_option('alsa'),
1019 method: 'pkg-config')
1022 if not get_option('jack').auto() or have_system
1023 jack = dependency('jack', required: get_option('jack'),
1024 method: 'pkg-config')
1026 pipewire = not_found
1027 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1028 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1029 required: get_option('pipewire'),
1030 method: 'pkg-config')
1033 if not get_option('sndio').auto() or have_system
1034 sndio = dependency('sndio', required: get_option('sndio'),
1035 method: 'pkg-config')
1038 spice_protocol = not_found
1039 if not get_option('spice_protocol').auto() or have_system
1040 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1041 required: get_option('spice_protocol'),
1042 method: 'pkg-config')
1045 if not get_option('spice').auto() or have_system
1046 spice = dependency('spice-server', version: '>=0.14.0',
1047 required: get_option('spice'),
1048 method: 'pkg-config')
1050 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1052 rt = cc.find_library('rt', required: false)
1054 libiscsi = not_found
1055 if not get_option('libiscsi').auto() or have_block
1056 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1057 required: get_option('libiscsi'),
1058 method: 'pkg-config')
1061 if not get_option('zstd').auto() or have_block
1062 zstd = dependency('libzstd', version: '>=1.4.0',
1063 required: get_option('zstd'),
1064 method: 'pkg-config')
1068 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1069 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1070 virgl = dependency('virglrenderer',
1071 method: 'pkg-config',
1072 required: get_option('virglrenderer'))
1075 if not get_option('blkio').auto() or have_block
1076 blkio = dependency('blkio',
1077 method: 'pkg-config',
1078 required: get_option('blkio'))
1081 if not get_option('curl').auto() or have_block
1082 curl = dependency('libcurl', version: '>=7.29.0',
1083 method: 'pkg-config',
1084 required: get_option('curl'))
1087 if targetos == 'linux' and (have_system or have_tools)
1088 libudev = dependency('libudev',
1089 method: 'pkg-config',
1090 required: get_option('libudev'))
1093 mpathlibs = [libudev]
1094 mpathpersist = not_found
1095 mpathpersist_new_api = false
1096 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1097 mpath_test_source_new = '''
1098 #include <libudev.h>
1099 #include <mpath_persist.h>
1100 unsigned mpath_mx_alloc_len = 1024;
1102 static struct config *multipath_conf;
1103 extern struct udev *udev;
1104 extern struct config *get_multipath_config(void);
1105 extern void put_multipath_config(struct config *conf);
1107 struct config *get_multipath_config(void) { return multipath_conf; }
1108 void put_multipath_config(struct config *conf) { }
1111 multipath_conf = mpath_lib_init();
1114 mpath_test_source_old = '''
1115 #include <libudev.h>
1116 #include <mpath_persist.h>
1117 unsigned mpath_mx_alloc_len = 1024;
1120 struct udev *udev = udev_new();
1121 mpath_lib_init(udev);
1124 libmpathpersist = cc.find_library('mpathpersist',
1125 required: get_option('mpath'))
1126 if libmpathpersist.found()
1127 mpathlibs += libmpathpersist
1128 if get_option('prefer_static')
1129 mpathlibs += cc.find_library('devmapper',
1130 required: get_option('mpath'))
1132 mpathlibs += cc.find_library('multipath',
1133 required: get_option('mpath'))
1134 foreach lib: mpathlibs
1140 if mpathlibs.length() == 0
1141 msg = 'Dependencies missing for libmpathpersist'
1142 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
1143 mpathpersist = declare_dependency(dependencies: mpathlibs)
1144 mpathpersist_new_api = true
1145 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
1146 mpathpersist = declare_dependency(dependencies: mpathlibs)
1148 msg = 'Cannot detect libmpathpersist API'
1150 if not mpathpersist.found()
1151 if get_option('mpath').enabled()
1154 warning(msg + ', disabling')
1162 if have_system and get_option('curses').allowed()
1164 #if defined(__APPLE__) || defined(__OpenBSD__)
1165 #define _XOPEN_SOURCE_EXTENDED 1
1172 setlocale(LC_ALL, "");
1174 addwstr(L"wide chars\n");
1176 add_wch(WACS_DEGREE);
1180 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1181 curses = dependency(curses_dep_list,
1183 method: 'pkg-config')
1184 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1185 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1187 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1188 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1189 version: curses.version())
1191 msg = 'curses package not usable'
1195 if not curses.found()
1196 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1197 if targetos != 'windows' and not has_curses_h
1198 message('Trying with /usr/include/ncursesw')
1199 curses_compile_args += ['-I/usr/include/ncursesw']
1200 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1203 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1204 foreach curses_libname : curses_libname_list
1205 libcurses = cc.find_library(curses_libname,
1207 if libcurses.found()
1208 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1209 curses = declare_dependency(compile_args: curses_compile_args,
1210 dependencies: [libcurses])
1213 msg = 'curses library not usable'
1219 if get_option('iconv').allowed()
1220 foreach link_args : [ ['-liconv'], [] ]
1221 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1222 # We need to use libiconv if available because mixing libiconv's headers with
1223 # the system libc does not work.
1224 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1225 # included in the command line and libiconv will not be found.
1229 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1230 return conv != (iconv_t) -1;
1231 }''', args: link_args, dependencies: glib)
1232 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1237 if curses.found() and not iconv.found()
1238 if get_option('iconv').enabled()
1239 error('iconv not available')
1241 msg = 'iconv required for curses UI but not available'
1244 if not curses.found() and msg != ''
1245 if get_option('curses').enabled()
1248 warning(msg + ', disabling')
1254 if not get_option('brlapi').auto() or have_system
1255 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1256 required: get_option('brlapi'))
1257 if brlapi.found() and not cc.links('''
1260 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1262 if get_option('brlapi').enabled()
1263 error('could not link brlapi')
1265 warning('could not link brlapi, disabling')
1271 if not get_option('sdl').auto() or have_system
1272 sdl = dependency('sdl2', required: get_option('sdl'))
1273 sdl_image = not_found
1276 # work around 2.0.8 bug
1277 sdl = declare_dependency(compile_args: '-Wno-undef',
1279 version: sdl.version())
1280 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1281 method: 'pkg-config')
1283 if get_option('sdl_image').enabled()
1284 error('sdl-image required, but SDL was @0@'.format(
1285 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1287 sdl_image = not_found
1291 if not get_option('rbd').auto() or have_block
1292 librados = cc.find_library('rados', required: get_option('rbd'))
1293 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1294 required: get_option('rbd'))
1295 if librados.found() and librbd.found()
1298 #include <rbd/librbd.h>
1301 rados_create(&cluster, NULL);
1302 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1306 }''', dependencies: [librbd, librados])
1307 rbd = declare_dependency(dependencies: [librbd, librados])
1308 elif get_option('rbd').enabled()
1309 error('librbd >= 1.12.0 required')
1311 warning('librbd >= 1.12.0 not found, disabling')
1316 glusterfs = not_found
1317 glusterfs_ftruncate_has_stat = false
1318 glusterfs_iocb_has_stat = false
1319 if not get_option('glusterfs').auto() or have_block
1320 glusterfs = dependency('glusterfs-api', version: '>=3',
1321 required: get_option('glusterfs'),
1322 method: 'pkg-config')
1323 if glusterfs.found()
1324 glusterfs_ftruncate_has_stat = cc.links('''
1325 #include <glusterfs/api/glfs.h>
1330 /* new glfs_ftruncate() passes two additional args */
1331 return glfs_ftruncate(NULL, 0, NULL, NULL);
1333 ''', dependencies: glusterfs)
1334 glusterfs_iocb_has_stat = cc.links('''
1335 #include <glusterfs/api/glfs.h>
1337 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1339 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1345 glfs_io_cbk iocb = &glusterfs_iocb;
1346 iocb(NULL, 0 , NULL, NULL, NULL);
1349 ''', dependencies: glusterfs)
1354 if not get_option('libssh').auto() or have_block
1355 libssh = dependency('libssh', version: '>=0.8.7',
1356 method: 'pkg-config',
1357 required: get_option('libssh'))
1360 libbzip2 = not_found
1361 if not get_option('bzip2').auto() or have_block
1362 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1363 required: get_option('bzip2'))
1364 if libbzip2.found() and not cc.links('''
1366 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1367 libbzip2 = not_found
1368 if get_option('bzip2').enabled()
1369 error('could not link libbzip2')
1371 warning('could not link libbzip2, disabling')
1376 liblzfse = not_found
1377 if not get_option('lzfse').auto() or have_block
1378 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1379 required: get_option('lzfse'))
1381 if liblzfse.found() and not cc.links('''
1383 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1384 liblzfse = not_found
1385 if get_option('lzfse').enabled()
1386 error('could not link liblzfse')
1388 warning('could not link liblzfse, disabling')
1393 if get_option('oss').allowed() and have_system
1394 if not cc.has_header('sys/soundcard.h')
1396 elif targetos == 'netbsd'
1397 oss = cc.find_library('ossaudio', required: get_option('oss'))
1399 oss = declare_dependency()
1403 if get_option('oss').enabled()
1404 error('OSS not found')
1409 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1410 if cc.has_header('dsound.h')
1411 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1414 if not dsound.found()
1415 if get_option('dsound').enabled()
1416 error('DirectSound not found')
1421 coreaudio = not_found
1422 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1423 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1424 required: get_option('coreaudio'))
1428 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1429 epoxy = dependency('epoxy', method: 'pkg-config',
1430 required: get_option('opengl'))
1431 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1433 elif get_option('opengl').enabled()
1434 error('epoxy/egl.h not found')
1438 if (have_system or have_tools) and (virgl.found() or opengl.found())
1439 gbm = dependency('gbm', method: 'pkg-config', required: false)
1441 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1444 gnutls_crypto = not_found
1445 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1446 # For general TLS support our min gnutls matches
1447 # that implied by our platform support matrix
1449 # For the crypto backends, we look for a newer
1452 # Version 3.6.8 is needed to get XTS
1453 # Version 3.6.13 is needed to get PBKDF
1454 # Version 3.6.14 is needed to get HW accelerated XTS
1456 # If newer enough gnutls isn't available, we can
1457 # still use a different crypto backend to satisfy
1458 # the platform support requirements
1459 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1460 method: 'pkg-config',
1462 if gnutls_crypto.found()
1463 gnutls = gnutls_crypto
1465 # Our min version if all we need is TLS
1466 gnutls = dependency('gnutls', version: '>=3.5.18',
1467 method: 'pkg-config',
1468 required: get_option('gnutls'))
1472 # We prefer use of gnutls for crypto, unless the options
1473 # explicitly asked for nettle or gcrypt.
1475 # If gnutls isn't available for crypto, then we'll prefer
1476 # gcrypt over nettle for performance reasons.
1482 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1483 error('Only one of gcrypt & nettle can be enabled')
1486 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1487 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1488 gnutls_crypto = not_found
1491 if not gnutls_crypto.found()
1492 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1493 gcrypt = dependency('libgcrypt', version: '>=1.8',
1494 method: 'config-tool',
1495 required: get_option('gcrypt'))
1496 # Debian has removed -lgpg-error from libgcrypt-config
1497 # as it "spreads unnecessary dependencies" which in
1498 # turn breaks static builds...
1499 if gcrypt.found() and get_option('prefer_static')
1500 gcrypt = declare_dependency(dependencies:
1502 cc.find_library('gpg-error', required: true)],
1503 version: gcrypt.version())
1506 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1507 nettle = dependency('nettle', version: '>=3.4',
1508 method: 'pkg-config',
1509 required: get_option('nettle'))
1510 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1516 gmp = dependency('gmp', required: false, method: 'pkg-config')
1517 if nettle.found() and gmp.found()
1518 hogweed = dependency('hogweed', version: '>=3.4',
1519 method: 'pkg-config',
1520 required: get_option('nettle'))
1527 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1529 if not get_option('gtk').auto() or have_system
1530 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1531 method: 'pkg-config',
1532 required: get_option('gtk'))
1534 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1535 method: 'pkg-config',
1537 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1538 version: gtk.version())
1540 if not get_option('vte').auto() or have_system
1541 vte = dependency('vte-2.91',
1542 method: 'pkg-config',
1543 required: get_option('vte'))
1545 elif have_gtk_clipboard
1546 error('GTK clipboard requested, but GTK not found')
1552 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1555 if get_option('png').allowed() and have_system
1556 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1557 method: 'pkg-config')
1562 if get_option('vnc').allowed() and have_system
1563 vnc = declare_dependency() # dummy dependency
1564 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1565 method: 'pkg-config')
1566 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1567 required: get_option('vnc_sasl'))
1569 sasl = declare_dependency(dependencies: sasl,
1570 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1575 if not get_option('auth_pam').auto() or have_system
1576 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1577 required: get_option('auth_pam'))
1579 if pam.found() and not cc.links('''
1581 #include <security/pam_appl.h>
1583 const char *service_name = "qemu";
1584 const char *user = "frank";
1585 const struct pam_conv pam_conv = { 0 };
1586 pam_handle_t *pamh = NULL;
1587 pam_start(service_name, user, &pam_conv, &pamh);
1589 }''', dependencies: pam)
1591 if get_option('auth_pam').enabled()
1592 error('could not link libpam')
1594 warning('could not link libpam, disabling')
1599 if not get_option('snappy').auto() or have_system
1600 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1601 required: get_option('snappy'))
1603 if snappy.found() and not linker.links('''
1604 #include <snappy-c.h>
1605 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1607 if get_option('snappy').enabled()
1608 error('could not link libsnappy')
1610 warning('could not link libsnappy, disabling')
1615 if not get_option('lzo').auto() or have_system
1616 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1617 required: get_option('lzo'))
1619 if lzo.found() and not cc.links('''
1620 #include <lzo/lzo1x.h>
1621 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1623 if get_option('lzo').enabled()
1624 error('could not link liblzo2')
1626 warning('could not link liblzo2, disabling')
1631 if not get_option('numa').auto() or have_system or have_tools
1632 numa = cc.find_library('numa', has_headers: ['numa.h'],
1633 required: get_option('numa'))
1635 if numa.found() and not cc.links('''
1637 int main(void) { return numa_available(); }
1638 ''', dependencies: numa)
1640 if get_option('numa').enabled()
1641 error('could not link numa')
1643 warning('could not link numa, disabling')
1648 if not get_option('rdma').auto() or have_system
1649 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1650 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1651 required: get_option('rdma')),
1652 cc.find_library('ibverbs', required: get_option('rdma')),
1654 rdma = declare_dependency(dependencies: rdma_libs)
1655 foreach lib: rdma_libs
1663 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1664 xencontrol = dependency('xencontrol', required: false,
1665 method: 'pkg-config')
1666 if xencontrol.found()
1667 xen_pc = declare_dependency(version: xencontrol.version(),
1670 # disabler: true makes xen_pc.found() return false if any is not found
1671 dependency('xenstore', required: false,
1672 method: 'pkg-config',
1674 dependency('xenforeignmemory', required: false,
1675 method: 'pkg-config',
1677 dependency('xengnttab', required: false,
1678 method: 'pkg-config',
1680 dependency('xenevtchn', required: false,
1681 method: 'pkg-config',
1683 dependency('xendevicemodel', required: false,
1684 method: 'pkg-config',
1686 # optional, no "disabler: true"
1687 dependency('xentoolcore', required: false,
1688 method: 'pkg-config')])
1694 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1696 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1697 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1698 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1699 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1700 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1701 '4.6.0': [ 'xenstore', 'xenctrl' ],
1702 '4.5.0': [ 'xenstore', 'xenctrl' ],
1703 '4.2.0': [ 'xenstore', 'xenctrl' ],
1706 foreach ver: xen_tests
1707 # cache the various library tests to avoid polluting the logs
1709 foreach l: xen_libs[ver]
1710 if l not in xen_deps
1711 xen_deps += { l: cc.find_library(l, required: false) }
1713 xen_test_deps += xen_deps[l]
1716 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1717 xen_version = ver.split('.')
1718 xen_ctrl_version = xen_version[0] + \
1719 ('0' + xen_version[1]).substring(-2) + \
1720 ('0' + xen_version[2]).substring(-2)
1721 if cc.links(files('scripts/xen-detect.c'),
1722 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1723 dependencies: xen_test_deps)
1724 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1730 accelerators += 'CONFIG_XEN'
1731 elif get_option('xen').enabled()
1732 error('could not compile and link Xen test program')
1735 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1736 .require(xen.found(),
1737 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1738 .require(targetos == 'linux',
1739 error_message: 'Xen PCI passthrough not available on this platform') \
1744 if not get_option('smartcard').auto() or have_system
1745 cacard = dependency('libcacard', required: get_option('smartcard'),
1746 version: '>=2.5.1', method: 'pkg-config')
1750 u2f = dependency('u2f-emu', required: get_option('u2f'),
1751 method: 'pkg-config')
1755 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1756 method: 'pkg-config')
1758 usbredir = not_found
1759 if not get_option('usb_redir').auto() or have_system
1760 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1761 version: '>=0.6', method: 'pkg-config')
1764 if not get_option('libusb').auto() or have_system
1765 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1766 version: '>=1.0.13', method: 'pkg-config')
1770 if not get_option('libpmem').auto() or have_system
1771 libpmem = dependency('libpmem', required: get_option('libpmem'),
1772 method: 'pkg-config')
1774 libdaxctl = not_found
1775 if not get_option('libdaxctl').auto() or have_system
1776 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1777 version: '>=57', method: 'pkg-config')
1781 tasn1 = dependency('libtasn1',
1782 method: 'pkg-config')
1784 keyutils = dependency('libkeyutils', required: false,
1785 method: 'pkg-config')
1787 has_gettid = cc.has_function('gettid')
1790 selinux = dependency('libselinux',
1791 required: get_option('selinux'),
1792 method: 'pkg-config')
1797 if get_option('malloc') == 'system'
1799 get_option('malloc_trim').allowed() and \
1800 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1802 has_malloc_trim = false
1803 malloc = cc.find_library(get_option('malloc'), required: true)
1805 if not has_malloc_trim and get_option('malloc_trim').enabled()
1806 if get_option('malloc') == 'system'
1807 error('malloc_trim not available on this platform.')
1809 error('malloc_trim not available with non-libc memory allocator')
1813 gnu_source_prefix = '''
1819 # Check whether the glibc provides STATX_BASIC_STATS
1821 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1823 # Check whether statx() provides mount ID information
1825 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1827 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1828 .require(targetos == 'linux',
1829 error_message: 'vhost_user_blk_server requires linux') \
1830 .require(have_vhost_user,
1831 error_message: 'vhost_user_blk_server requires vhost-user support') \
1832 .disable_auto_if(not have_tools and not have_system) \
1835 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1836 error('Cannot enable fuse-lseek while fuse is disabled')
1839 fuse = dependency('fuse3', required: get_option('fuse'),
1840 version: '>=3.1', method: 'pkg-config')
1842 fuse_lseek = not_found
1843 if get_option('fuse_lseek').allowed()
1844 if fuse.version().version_compare('>=3.8')
1846 fuse_lseek = declare_dependency()
1847 elif get_option('fuse_lseek').enabled()
1849 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1851 error('fuse-lseek requires libfuse, which was not found')
1856 have_libvduse = (targetos == 'linux')
1857 if get_option('libvduse').enabled()
1858 if targetos != 'linux'
1859 error('libvduse requires linux')
1861 elif get_option('libvduse').disabled()
1862 have_libvduse = false
1865 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1866 if get_option('vduse_blk_export').enabled()
1867 if targetos != 'linux'
1868 error('vduse_blk_export requires linux')
1869 elif not have_libvduse
1870 error('vduse_blk_export requires libvduse support')
1872 elif get_option('vduse_blk_export').disabled()
1873 have_vduse_blk_export = false
1877 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1878 if libbpf.found() and not cc.links('''
1879 #include <bpf/libbpf.h>
1882 bpf_object__destroy_skeleton(NULL);
1884 }''', dependencies: libbpf)
1886 if get_option('bpf').enabled()
1887 error('libbpf skeleton test failed')
1889 warning('libbpf skeleton test failed, disabling')
1895 if not get_option('libdw').auto() or \
1896 (not get_option('prefer_static') and (have_system or have_user))
1897 libdw = dependency('libdw',
1898 method: 'pkg-config',
1899 required: get_option('libdw'))
1906 audio_drivers_selected = []
1908 audio_drivers_available = {
1909 'alsa': alsa.found(),
1910 'coreaudio': coreaudio.found(),
1911 'dsound': dsound.found(),
1912 'jack': jack.found(),
1914 'pa': pulse.found(),
1915 'pipewire': pipewire.found(),
1917 'sndio': sndio.found(),
1919 foreach k, v: audio_drivers_available
1920 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1923 # Default to native drivers first, OSS second, SDL third
1924 audio_drivers_priority = \
1925 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1926 (targetos == 'linux' ? [] : [ 'sdl' ])
1927 audio_drivers_default = []
1928 foreach k: audio_drivers_priority
1929 if audio_drivers_available[k]
1930 audio_drivers_default += k
1934 foreach k: get_option('audio_drv_list')
1936 audio_drivers_selected += audio_drivers_default
1937 elif not audio_drivers_available[k]
1938 error('Audio driver "@0@" not available.'.format(k))
1940 audio_drivers_selected += k
1944 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1945 '"' + '", "'.join(audio_drivers_selected) + '", ')
1947 if get_option('cfi')
1949 # Check for dependency on LTO
1950 if not get_option('b_lto')
1951 error('Selected Control-Flow Integrity but LTO is disabled')
1954 error('Selected Control-Flow Integrity is not compatible with modules')
1956 # Check for cfi flags. CFI requires LTO so we can't use
1957 # get_supported_arguments, but need a more complex "compiles" which allows
1959 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1960 args: ['-flto', '-fsanitize=cfi-icall'] )
1961 cfi_flags += '-fsanitize=cfi-icall'
1963 error('-fsanitize=cfi-icall is not supported by the compiler')
1965 if cc.compiles('int main () { return 0; }',
1966 name: '-fsanitize-cfi-icall-generalize-pointers',
1967 args: ['-flto', '-fsanitize=cfi-icall',
1968 '-fsanitize-cfi-icall-generalize-pointers'] )
1969 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1971 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1973 if get_option('cfi_debug')
1974 if cc.compiles('int main () { return 0; }',
1975 name: '-fno-sanitize-trap=cfi-icall',
1976 args: ['-flto', '-fsanitize=cfi-icall',
1977 '-fno-sanitize-trap=cfi-icall'] )
1978 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1980 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1983 add_global_arguments(cfi_flags, native: false, language: all_languages)
1984 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1987 have_host_block_device = (targetos != 'darwin' or
1988 cc.has_header('IOKit/storage/IOMedia.h'))
1990 dbus_display = get_option('dbus_display') \
1991 .require(gio.version().version_compare('>=2.64'),
1992 error_message: '-display dbus requires glib>=2.64') \
1993 .require(gdbus_codegen.found(),
1994 error_message: gdbus_codegen_error.format('-display dbus')) \
1995 .require(targetos != 'windows',
1996 error_message: '-display dbus is not available on Windows') \
1999 have_virtfs = get_option('virtfs') \
2000 .require(targetos == 'linux' or targetos == 'darwin',
2001 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2002 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2003 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2004 .require(targetos == 'darwin' or libattr.found(),
2005 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2006 .disable_auto_if(not have_tools and not have_system) \
2009 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2010 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2011 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2012 .disable_auto_if(not have_tools) \
2013 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2016 if get_option('block_drv_ro_whitelist') == ''
2017 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2019 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2020 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2022 if get_option('block_drv_rw_whitelist') == ''
2023 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2025 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2026 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2029 foreach k : get_option('trace_backends')
2030 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2032 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2033 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2035 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2037 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2038 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2039 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2040 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2041 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2043 qemu_firmwarepath = ''
2044 foreach k : get_option('qemu_firmwarepath')
2045 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2047 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2049 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2050 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2051 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2052 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2053 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2054 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2057 config_host_data.set('CONFIG_STAMP', run_command(
2058 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2059 meson.project_version(), get_option('pkgversion'), '--',
2060 meson.current_source_dir() / 'configure',
2061 capture: true, check: true).stdout().strip())
2064 have_slirp_smbd = get_option('slirp_smbd') \
2065 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2068 smbd_path = get_option('smbd')
2070 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2072 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2075 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2077 if get_option('module_upgrades') and not enable_modules
2078 error('Cannot enable module-upgrades as modules are not enabled')
2080 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2082 config_host_data.set('CONFIG_ATTR', libattr.found())
2083 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2084 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2085 config_host_data.set('CONFIG_COCOA', cocoa.found())
2086 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2087 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2088 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2089 config_host_data.set('CONFIG_LZO', lzo.found())
2090 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2091 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
2092 config_host_data.set('CONFIG_BLKIO', blkio.found())
2094 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2095 blkio.version().version_compare('>=1.3.0'))
2097 config_host_data.set('CONFIG_CURL', curl.found())
2098 config_host_data.set('CONFIG_CURSES', curses.found())
2099 config_host_data.set('CONFIG_GBM', gbm.found())
2100 config_host_data.set('CONFIG_GIO', gio.found())
2101 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2102 if glusterfs.found()
2103 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2104 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2105 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2106 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2107 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2108 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2110 config_host_data.set('CONFIG_GTK', gtk.found())
2111 config_host_data.set('CONFIG_VTE', vte.found())
2112 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2113 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2114 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2115 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2116 config_host_data.set('CONFIG_EBPF', libbpf.found())
2117 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2118 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2119 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2120 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2121 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2122 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2123 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2124 config_host_data.set('CONFIG_MODULES', enable_modules)
2125 config_host_data.set('CONFIG_NUMA', numa.found())
2127 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2128 cc.has_function('numa_has_preferred_many',
2129 dependencies: numa))
2131 config_host_data.set('CONFIG_OPENGL', opengl.found())
2132 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2133 config_host_data.set('CONFIG_RBD', rbd.found())
2134 config_host_data.set('CONFIG_RDMA', rdma.found())
2135 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2136 config_host_data.set('CONFIG_SDL', sdl.found())
2137 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2138 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2140 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2142 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2143 config_host_data.set('CONFIG_TPM', have_tpm)
2144 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2145 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2146 config_host_data.set('CONFIG_VDE', vde.found())
2147 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2148 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2149 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2150 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2151 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2152 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2153 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2154 config_host_data.set('CONFIG_VMNET', vmnet.found())
2155 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2156 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2157 config_host_data.set('CONFIG_PNG', png.found())
2158 config_host_data.set('CONFIG_VNC', vnc.found())
2159 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2160 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2161 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2162 config_host_data.set('CONFIG_VTE', vte.found())
2163 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2164 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2165 config_host_data.set('CONFIG_GETTID', has_gettid)
2166 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2167 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2168 config_host_data.set('CONFIG_TASN1', tasn1.found())
2169 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2170 config_host_data.set('CONFIG_NETTLE', nettle.found())
2171 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2172 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2173 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2174 config_host_data.set('CONFIG_STATX', has_statx)
2175 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2176 config_host_data.set('CONFIG_ZSTD', zstd.found())
2177 config_host_data.set('CONFIG_FUSE', fuse.found())
2178 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2179 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2180 if spice_protocol.found()
2181 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2182 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2183 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2185 config_host_data.set('CONFIG_SPICE', spice.found())
2186 config_host_data.set('CONFIG_X11', x11.found())
2187 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2188 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2189 config_host_data.set('CONFIG_SELINUX', selinux.found())
2190 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2191 config_host_data.set('CONFIG_LIBDW', libdw.found())
2193 # protect from xen.version() having less than three components
2194 xen_version = xen.version().split('.') + ['0', '0']
2195 xen_ctrl_version = xen_version[0] + \
2196 ('0' + xen_version[1]).substring(-2) + \
2197 ('0' + xen_version[2]).substring(-2)
2198 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2200 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2201 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2202 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2203 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2205 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2206 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2208 have_coroutine_pool = get_option('coroutine_pool')
2209 if get_option('debug_stack_usage') and have_coroutine_pool
2210 message('Disabling coroutine pool to measure stack usage')
2211 have_coroutine_pool = false
2213 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2214 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2215 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2216 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2217 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2218 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2219 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2220 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2223 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2224 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2225 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2226 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2227 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2228 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2229 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2230 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2231 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2232 if targetos == 'windows'
2233 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2237 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2238 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2239 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2240 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2241 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2242 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2243 # Note that we need to specify prefix: here to avoid incorrectly
2244 # thinking that Windows has posix_memalign()
2245 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2246 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2247 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2248 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2249 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2250 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2251 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2252 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2253 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2254 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2255 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2256 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2257 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2258 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2259 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2260 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2261 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2262 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2264 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2265 cc.has_function('rbd_namespace_exists',
2267 prefix: '#include <rbd/librbd.h>'))
2270 config_host_data.set('HAVE_IBV_ADVISE_MR',
2271 cc.has_function('ibv_advise_mr',
2273 prefix: '#include <infiniband/verbs.h>'))
2276 have_asan_fiber = false
2277 if get_option('sanitizers') and \
2278 not cc.has_function('__sanitizer_start_switch_fiber',
2279 args: '-fsanitize=address',
2280 prefix: '#include <sanitizer/asan_interface.h>')
2281 warning('Missing ASAN due to missing fiber annotation interface')
2282 warning('Without code annotation, the report may be inferior.')
2284 have_asan_fiber = true
2286 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2289 config_host_data.set('CONFIG_BLKZONED',
2290 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2291 config_host_data.set('CONFIG_EPOLL_CREATE1',
2292 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2293 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2294 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2295 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2296 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2297 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2298 config_host_data.set('CONFIG_FIEMAP',
2299 cc.has_header('linux/fiemap.h') and
2300 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2301 config_host_data.set('CONFIG_GETRANDOM',
2302 cc.has_function('getrandom') and
2303 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2304 config_host_data.set('CONFIG_INOTIFY',
2305 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2306 config_host_data.set('CONFIG_INOTIFY1',
2307 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2308 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2309 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2310 config_host_data.set('CONFIG_RTNETLINK',
2311 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2312 config_host_data.set('CONFIG_SYSMACROS',
2313 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2314 config_host_data.set('HAVE_OPTRESET',
2315 cc.has_header_symbol('getopt.h', 'optreset'))
2316 config_host_data.set('HAVE_IPPROTO_MPTCP',
2317 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2320 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2321 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2322 prefix: '#include <signal.h>'))
2323 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2324 cc.has_member('struct stat', 'st_atim',
2325 prefix: '#include <sys/stat.h>'))
2326 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2327 cc.has_member('struct blk_zone', 'capacity',
2328 prefix: '#include <linux/blkzoned.h>'))
2331 config_host_data.set('CONFIG_IOVEC',
2332 cc.has_type('struct iovec',
2333 prefix: '#include <sys/uio.h>'))
2334 config_host_data.set('HAVE_UTMPX',
2335 cc.has_type('struct utmpx',
2336 prefix: '#include <utmpx.h>'))
2338 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2339 #include <sys/eventfd.h>
2340 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2341 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2344 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2345 return fdatasync(0);
2347 #error Not supported
2351 has_madvise = cc.links(gnu_source_prefix + '''
2352 #include <sys/types.h>
2353 #include <sys/mman.h>
2355 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2356 missing_madvise_proto = false
2358 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2359 # but forget to prototype it. In this case, has_madvise will be true (the
2360 # test program links despite a compile warning). To detect the
2361 # missing-prototype case, we try again with a definitely-bogus prototype.
2362 # This will only compile if the system headers don't provide the prototype;
2363 # otherwise the conflicting prototypes will cause a compiler error.
2364 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2365 #include <sys/types.h>
2366 #include <sys/mman.h>
2368 extern int madvise(int);
2369 int main(void) { return madvise(0); }''')
2371 config_host_data.set('CONFIG_MADVISE', has_madvise)
2372 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2374 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2375 #include <sys/mman.h>
2376 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2377 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2379 #if !defined(AT_EMPTY_PATH)
2380 # error missing definition
2382 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2384 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2385 #include <sys/mman.h>
2387 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2389 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2390 #include <pthread.h>
2392 static void *f(void *p) { return NULL; }
2396 pthread_create(&thread, 0, f, 0);
2397 pthread_setname_np(thread, "QEMU");
2399 }''', dependencies: threads))
2400 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2401 #include <pthread.h>
2403 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2407 pthread_create(&thread, 0, f, 0);
2409 }''', dependencies: threads))
2410 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2411 #include <pthread.h>
2412 #include <pthread_np.h>
2414 static void *f(void *p) { return NULL; }
2418 pthread_create(&thread, 0, f, 0);
2419 pthread_set_name_np(thread, "QEMU");
2421 }''', dependencies: threads))
2422 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2423 #include <pthread.h>
2428 pthread_condattr_t attr
2429 pthread_condattr_init(&attr);
2430 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2432 }''', dependencies: threads))
2433 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2434 #include <pthread.h>
2436 static void *f(void *p) { return NULL; }
2439 int setsize = CPU_ALLOC_SIZE(64);
2442 pthread_create(&thread, 0, f, 0);
2443 cpuset = CPU_ALLOC(64);
2444 CPU_ZERO_S(setsize, cpuset);
2445 pthread_setaffinity_np(thread, setsize, cpuset);
2446 pthread_getaffinity_np(thread, setsize, cpuset);
2449 }''', dependencies: threads))
2450 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2451 #include <sys/signalfd.h>
2453 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2454 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2462 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2463 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2467 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2468 #include <sys/mman.h>
2470 return mlockall(MCL_FUTURE);
2474 if get_option('l2tpv3').allowed() and have_system
2475 have_l2tpv3 = cc.has_type('struct mmsghdr',
2476 prefix: gnu_source_prefix + '''
2477 #include <sys/socket.h>
2478 #include <linux/ip.h>''')
2480 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2483 if get_option('netmap').allowed() and have_system
2484 have_netmap = cc.compiles('''
2485 #include <inttypes.h>
2487 #include <net/netmap.h>
2488 #include <net/netmap_user.h>
2489 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2492 int main(void) { return 0; }''')
2493 if not have_netmap and get_option('netmap').enabled()
2494 error('Netmap headers not available')
2497 config_host_data.set('CONFIG_NETMAP', have_netmap)
2499 # Work around a system header bug with some kernel/XFS header
2500 # versions where they both try to define 'struct fsxattr':
2501 # xfs headers will not try to redefine structs from linux headers
2502 # if this macro is set.
2503 config_host_data.set('HAVE_FSXATTR', cc.links('''
2504 #include <linux/fs.h>
2510 # Some versions of Mac OS X incorrectly define SIZE_MAX
2511 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2515 return printf("%zu", SIZE_MAX);
2516 }''', args: ['-Werror']))
2518 # See if 64-bit atomic operations are supported.
2519 # Note that without __atomic builtins, we can only
2520 # assume atomic loads/stores max at pointer size.
2521 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2525 uint64_t x = 0, y = 0;
2526 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2527 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2528 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2529 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2530 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2534 has_int128_type = cc.compiles('''
2537 int main(void) { b = a; }''')
2538 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2540 has_int128 = has_int128_type and cc.links('''
2549 config_host_data.set('CONFIG_INT128', has_int128)
2552 # "do we have 128-bit atomics which are handled inline and specifically not
2553 # via libatomic". The reason we can't use libatomic is documented in the
2554 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2555 # We only care about these operations on 16-byte aligned pointers, so
2556 # force 16-byte alignment of the pointer, which may be greater than
2557 # __alignof(unsigned __int128) for the host.
2558 atomic_test_128 = '''
2559 int main(int ac, char **av) {
2560 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2561 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2562 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2563 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2566 has_atomic128 = cc.links(atomic_test_128)
2568 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2570 if not has_atomic128
2571 # Even with __builtin_assume_aligned, the above test may have failed
2572 # without optimization enabled. Try again with optimizations locally
2573 # enabled for the function. See
2574 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2575 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2576 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2578 if not has_atomic128_opt
2579 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2582 __uint128_t x = 0, y = 0;
2583 __sync_val_compare_and_swap_16(&x, y, x);
2591 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2592 #include <sys/auxv.h>
2594 return getauxval(AT_HWCAP) == 0;
2597 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2598 #include <linux/usbdevice_fs.h>
2600 #ifndef USBDEVFS_GET_CAPABILITIES
2601 #error "USBDEVFS_GET_CAPABILITIES undefined"
2604 #ifndef USBDEVFS_DISCONNECT_CLAIM
2605 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2608 int main(void) { return 0; }'''))
2610 have_keyring = get_option('keyring') \
2611 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2612 .require(cc.compiles('''
2614 #include <asm/unistd.h>
2615 #include <linux/keyctl.h>
2616 #include <sys/syscall.h>
2619 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2620 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2621 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2623 have_cpuid_h = cc.links('''
2626 unsigned a, b, c, d;
2627 unsigned max = __get_cpuid_max(0, 0);
2630 __cpuid(1, a, b, c, d);
2634 __cpuid_count(7, 0, a, b, c, d);
2639 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2641 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2642 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2643 .require(cc.links('''
2645 #include <immintrin.h>
2646 static int __attribute__((target("avx2"))) bar(void *a) {
2647 __m256i x = *(__m256i *)a;
2648 return _mm256_testz_si256(x, x);
2650 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2651 '''), error_message: 'AVX2 not available').allowed())
2653 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2654 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2655 .require(cc.links('''
2657 #include <immintrin.h>
2658 static int __attribute__((target("avx512f"))) bar(void *a) {
2659 __m512i x = *(__m512i *)a;
2660 return _mm512_test_epi64_mask(x, x);
2662 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2663 '''), error_message: 'AVX512F not available').allowed())
2665 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2666 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2667 .require(cc.links('''
2669 #include <immintrin.h>
2670 static int __attribute__((target("avx512bw"))) bar(void *a) {
2672 __m512i res= _mm512_abs_epi8(*x);
2675 int main(int argc, char *argv[]) { return bar(argv[0]); }
2676 '''), error_message: 'AVX512BW not available').allowed())
2678 have_pvrdma = get_option('pvrdma') \
2679 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2680 .require(cc.compiles(gnu_source_prefix + '''
2681 #include <sys/mman.h>
2686 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2689 }'''), error_message: 'PVRDMA requires mremap').allowed()
2692 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2693 #include <infiniband/verbs.h>
2697 struct ibv_pd *pd = NULL;
2703 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2709 if get_option('membarrier').disabled()
2710 have_membarrier = false
2711 elif targetos == 'windows'
2712 have_membarrier = true
2713 elif targetos == 'linux'
2714 have_membarrier = cc.compiles('''
2715 #include <linux/membarrier.h>
2716 #include <sys/syscall.h>
2720 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2721 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2725 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2726 .require(have_membarrier, error_message: 'membarrier system call not available') \
2729 have_afalg = get_option('crypto_afalg') \
2730 .require(cc.compiles(gnu_source_prefix + '''
2732 #include <sys/types.h>
2733 #include <sys/socket.h>
2734 #include <linux/if_alg.h>
2737 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2740 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2741 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2743 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2744 'linux/vm_sockets.h', 'AF_VSOCK',
2745 prefix: '#include <sys/socket.h>',
2749 have_vss_sdk = false # old xp/2003 SDK
2750 if targetos == 'windows' and link_language == 'cpp'
2751 have_vss = cxx.compiles('''
2752 #define __MIDL_user_allocate_free_DEFINED__
2754 int main(void) { return VSS_CTX_BACKUP; }''')
2755 have_vss_sdk = cxx.has_header('vscoordint.h')
2757 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2759 foreach k, v: config_host
2760 if k.startswith('CONFIG_')
2761 config_host_data.set(k, v == 'y' ? 1 : v)
2765 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2766 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2767 if targetos == 'windows'
2768 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2774 }''', name: '_lock_file and _unlock_file'))
2777 if targetos == 'windows'
2778 mingw_has_setjmp_longjmp = cc.links('''
2782 * These functions are not available in setjmp header, but may be
2783 * available at link time, from libmingwex.a.
2785 extern int __mingw_setjmp(jmp_buf);
2786 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2788 __mingw_setjmp(env);
2789 __mingw_longjmp(env, 0);
2791 ''', name: 'mingw setjmp and longjmp')
2793 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2794 error('mingw must provide setjmp/longjmp for windows-arm64')
2798 ########################
2799 # Target configuration #
2800 ########################
2802 minikconf = find_program('scripts/minikconf.py')
2804 config_all_devices = {}
2805 config_all_disas = {}
2806 config_devices_mak_list = []
2807 config_devices_h = {}
2808 config_target_h = {}
2809 config_target_mak = {}
2812 'alpha' : ['CONFIG_ALPHA_DIS'],
2813 'avr' : ['CONFIG_AVR_DIS'],
2814 'cris' : ['CONFIG_CRIS_DIS'],
2815 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2816 'hppa' : ['CONFIG_HPPA_DIS'],
2817 'i386' : ['CONFIG_I386_DIS'],
2818 'x86_64' : ['CONFIG_I386_DIS'],
2819 'm68k' : ['CONFIG_M68K_DIS'],
2820 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2821 'mips' : ['CONFIG_MIPS_DIS'],
2822 'nios2' : ['CONFIG_NIOS2_DIS'],
2823 'or1k' : ['CONFIG_OPENRISC_DIS'],
2824 'ppc' : ['CONFIG_PPC_DIS'],
2825 'riscv' : ['CONFIG_RISCV_DIS'],
2826 'rx' : ['CONFIG_RX_DIS'],
2827 's390' : ['CONFIG_S390_DIS'],
2828 'sh4' : ['CONFIG_SH4_DIS'],
2829 'sparc' : ['CONFIG_SPARC_DIS'],
2830 'xtensa' : ['CONFIG_XTENSA_DIS'],
2831 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2834 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2836 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2837 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2838 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2839 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2840 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2841 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2842 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2843 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2844 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2845 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2846 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2847 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2848 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2849 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2851 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2853 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2854 actual_target_dirs = []
2856 foreach target : target_dirs
2857 config_target = { 'TARGET_NAME': target.split('-')[0] }
2858 if target.endswith('linux-user')
2859 if targetos != 'linux'
2863 error('Target @0@ is only available on a Linux host'.format(target))
2865 config_target += { 'CONFIG_LINUX_USER': 'y' }
2866 elif target.endswith('bsd-user')
2867 if 'CONFIG_BSD' not in config_host
2871 error('Target @0@ is only available on a BSD host'.format(target))
2873 config_target += { 'CONFIG_BSD_USER': 'y' }
2874 elif target.endswith('softmmu')
2875 config_target += { 'CONFIG_SOFTMMU': 'y' }
2877 if target.endswith('-user')
2879 'CONFIG_USER_ONLY': 'y',
2880 'CONFIG_QEMU_INTERP_PREFIX':
2881 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2886 foreach sym: accelerators
2887 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2888 config_target += { sym: 'y' }
2889 config_all += { sym: 'y' }
2890 if target in modular_tcg
2891 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2893 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2895 accel_kconfig += [ sym + '=y' ]
2898 if accel_kconfig.length() == 0
2902 error('No accelerator available for target @0@'.format(target))
2905 actual_target_dirs += target
2906 config_target += keyval.load('configs/targets' / target + '.mak')
2907 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2909 if 'TARGET_NEED_FDT' in config_target
2910 fdt_required += target
2914 if 'TARGET_BASE_ARCH' not in config_target
2915 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2917 if 'TARGET_ABI_DIR' not in config_target
2918 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2920 if 'TARGET_BIG_ENDIAN' not in config_target
2921 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2924 foreach k, v: disassemblers
2925 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2927 config_target += { sym: 'y' }
2928 config_all_disas += { sym: 'y' }
2933 config_target_data = configuration_data()
2934 foreach k, v: config_target
2935 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2937 elif ignored.contains(k)
2939 elif k == 'TARGET_BASE_ARCH'
2940 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2941 # not used to select files from sourcesets.
2942 config_target_data.set('TARGET_' + v.to_upper(), 1)
2943 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2944 config_target_data.set_quoted(k, v)
2946 config_target_data.set(k, 1)
2948 config_target_data.set(k, 0)
2950 config_target_data.set(k, v)
2953 config_target_data.set('QEMU_ARCH',
2954 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2955 config_target_h += {target: configure_file(output: target + '-config-target.h',
2956 configuration: config_target_data)}
2958 if target.endswith('-softmmu')
2959 config_input = meson.get_external_property(target, 'default')
2960 config_devices_mak = target + '-config-devices.mak'
2961 config_devices_mak = configure_file(
2962 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2963 output: config_devices_mak,
2964 depfile: config_devices_mak + '.d',
2966 command: [minikconf,
2967 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2968 config_devices_mak, '@DEPFILE@', '@INPUT@',
2969 host_kconfig, accel_kconfig,
2970 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2972 config_devices_data = configuration_data()
2973 config_devices = keyval.load(config_devices_mak)
2974 foreach k, v: config_devices
2975 config_devices_data.set(k, 1)
2977 config_devices_mak_list += config_devices_mak
2978 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2979 configuration: config_devices_data)}
2980 config_target += config_devices
2981 config_all_devices += config_devices
2983 config_target_mak += {target: config_target}
2985 target_dirs = actual_target_dirs
2987 # This configuration is used to build files that are shared by
2988 # multiple binaries, and then extracted out of the "common"
2989 # static_library target.
2991 # We do not use all_sources()/all_dependencies(), because it would
2992 # build literally all source files, including devices only used by
2993 # targets that are not built for this compilation. The CONFIG_ALL
2994 # pseudo symbol replaces it.
2996 config_all += config_all_devices
2997 config_all += config_host
2998 config_all += config_all_disas
3000 'CONFIG_XEN': xen.found(),
3001 'CONFIG_SOFTMMU': have_system,
3002 'CONFIG_USER_ONLY': have_user,
3006 target_configs_h = []
3007 foreach target: target_dirs
3008 target_configs_h += config_target_h[target]
3009 target_configs_h += config_devices_h.get(target, [])
3011 genh += custom_target('config-poison.h',
3012 input: [target_configs_h],
3013 output: 'config-poison.h',
3015 command: [find_program('scripts/make-config-poison.sh'),
3022 capstone = not_found
3023 if not get_option('capstone').auto() or have_system or have_user
3024 capstone = dependency('capstone', version: '>=3.0.5',
3025 method: 'pkg-config',
3026 required: get_option('capstone'))
3028 # Some versions of capstone have broken pkg-config file
3029 # that reports a wrong -I path, causing the #include to
3030 # fail later. If the system has such a broken version
3032 if capstone.found() and not cc.compiles('#include <capstone.h>',
3033 dependencies: [capstone])
3034 capstone = not_found
3035 if get_option('capstone').enabled()
3036 error('capstone requested, but it does not appear to work')
3041 libvfio_user_dep = not_found
3042 if have_system and vfio_user_server_allowed
3043 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
3045 if not have_internal
3046 error('libvfio-user source not found - please pull git submodule')
3049 libvfio_user_proj = subproject('libvfio-user')
3051 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3055 fdt_opt = get_option('fdt')
3056 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3057 if fdt_opt == 'disabled'
3058 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3061 if fdt_opt in ['enabled', 'auto', 'system']
3062 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3063 if fdt.found() and cc.links('''
3065 #include <libfdt_env.h>
3066 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3069 elif fdt_opt == 'system'
3070 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3072 fdt_opt = 'internal'
3077 assert(fdt_opt == 'internal')
3078 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/dtc/meson.build')
3080 if not have_internal
3081 error('libfdt source not found - please pull git submodule')
3084 libfdt_proj = subproject('dtc', required: true,
3085 default_options: ['tools=false', 'yaml=disabled',
3086 'python=disabled', 'default_library=static'])
3087 fdt = libfdt_proj.get_variable('libfdt_dep')
3090 fdt_opt = 'disabled'
3093 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3094 config_host_data.set('CONFIG_FDT', fdt.found())
3095 config_host_data.set('CONFIG_SLIRP', slirp.found())
3097 #####################
3098 # Generated sources #
3099 #####################
3101 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3103 hxtool = find_program('scripts/hxtool')
3104 shaderinclude = find_program('scripts/shaderinclude.py')
3105 qapi_gen = find_program('scripts/qapi-gen.py')
3106 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3107 meson.current_source_dir() / 'scripts/qapi/commands.py',
3108 meson.current_source_dir() / 'scripts/qapi/common.py',
3109 meson.current_source_dir() / 'scripts/qapi/error.py',
3110 meson.current_source_dir() / 'scripts/qapi/events.py',
3111 meson.current_source_dir() / 'scripts/qapi/expr.py',
3112 meson.current_source_dir() / 'scripts/qapi/gen.py',
3113 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3114 meson.current_source_dir() / 'scripts/qapi/main.py',
3115 meson.current_source_dir() / 'scripts/qapi/parser.py',
3116 meson.current_source_dir() / 'scripts/qapi/schema.py',
3117 meson.current_source_dir() / 'scripts/qapi/source.py',
3118 meson.current_source_dir() / 'scripts/qapi/types.py',
3119 meson.current_source_dir() / 'scripts/qapi/visit.py',
3120 meson.current_source_dir() / 'scripts/qapi-gen.py'
3124 python, files('scripts/tracetool.py'),
3125 '--backend=' + ','.join(get_option('trace_backends'))
3127 tracetool_depends = files(
3128 'scripts/tracetool/backend/log.py',
3129 'scripts/tracetool/backend/__init__.py',
3130 'scripts/tracetool/backend/dtrace.py',
3131 'scripts/tracetool/backend/ftrace.py',
3132 'scripts/tracetool/backend/simple.py',
3133 'scripts/tracetool/backend/syslog.py',
3134 'scripts/tracetool/backend/ust.py',
3135 'scripts/tracetool/format/ust_events_c.py',
3136 'scripts/tracetool/format/ust_events_h.py',
3137 'scripts/tracetool/format/__init__.py',
3138 'scripts/tracetool/format/d.py',
3139 'scripts/tracetool/format/simpletrace_stap.py',
3140 'scripts/tracetool/format/c.py',
3141 'scripts/tracetool/format/h.py',
3142 'scripts/tracetool/format/log_stap.py',
3143 'scripts/tracetool/format/stap.py',
3144 'scripts/tracetool/__init__.py',
3145 'scripts/tracetool/vcpu.py'
3148 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3149 meson.current_source_dir(),
3150 get_option('pkgversion'), meson.project_version()]
3151 qemu_version = custom_target('qemu-version.h',
3152 output: 'qemu-version.h',
3153 command: qemu_version_cmd,
3155 build_by_default: true,
3156 build_always_stale: true)
3157 genh += qemu_version
3161 ['qemu-options.hx', 'qemu-options.def'],
3162 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3166 ['hmp-commands.hx', 'hmp-commands.h'],
3167 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3170 foreach d : hx_headers
3171 hxdep += custom_target(d[1],
3175 build_by_default: true, # to be removed when added to a target
3176 command: [hxtool, '-h', '@INPUT0@'])
3184 authz_ss = ss.source_set()
3185 blockdev_ss = ss.source_set()
3186 block_ss = ss.source_set()
3187 chardev_ss = ss.source_set()
3188 common_ss = ss.source_set()
3189 crypto_ss = ss.source_set()
3190 hwcore_ss = ss.source_set()
3191 io_ss = ss.source_set()
3192 qmp_ss = ss.source_set()
3193 qom_ss = ss.source_set()
3194 softmmu_ss = ss.source_set()
3195 specific_fuzz_ss = ss.source_set()
3196 specific_ss = ss.source_set()
3197 stub_ss = ss.source_set()
3198 trace_ss = ss.source_set()
3199 user_ss = ss.source_set()
3200 util_ss = ss.source_set()
3203 qtest_module_ss = ss.source_set()
3204 tcg_module_ss = ss.source_set()
3210 target_softmmu_arch = {}
3211 target_user_arch = {}
3217 # TODO: add each directory to the subdirs from its own meson.build, once
3219 trace_events_subdirs = [
3228 trace_events_subdirs += [ 'linux-user' ]
3231 trace_events_subdirs += [ 'bsd-user' ]
3234 trace_events_subdirs += [
3243 trace_events_subdirs += [
3257 'hw/block/dataplane',
3307 if have_system or have_user
3308 trace_events_subdirs += [
3326 vhost_user = not_found
3327 if targetos == 'linux' and have_vhost_user
3328 libvhost_user = subproject('libvhost-user')
3329 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3332 libvduse = not_found
3334 libvduse_proj = subproject('libvduse')
3335 libvduse = libvduse_proj.get_variable('libvduse_dep')
3338 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3339 # that is filled in by qapi/.
3353 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3354 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3357 qom_ss = qom_ss.apply(config_host, strict: false)
3358 libqom = static_library('qom', qom_ss.sources() + genh,
3359 dependencies: [qom_ss.dependencies()],
3361 qom = declare_dependency(link_whole: libqom)
3363 event_loop_base = files('event-loop-base.c')
3364 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3365 build_by_default: true)
3366 event_loop_base = declare_dependency(link_whole: event_loop_base,
3367 dependencies: [qom])
3369 stub_ss = stub_ss.apply(config_all, strict: false)
3371 util_ss.add_all(trace_ss)
3372 util_ss = util_ss.apply(config_all, strict: false)
3373 libqemuutil = static_library('qemuutil',
3374 sources: util_ss.sources() + stub_ss.sources() + genh,
3375 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3376 qemuutil = declare_dependency(link_with: libqemuutil,
3377 sources: genh + version_res,
3378 dependencies: [event_loop_base])
3380 if have_system or have_user
3381 decodetree = generator(find_program('scripts/decodetree.py'),
3382 output: 'decode-@BASENAME@.c.inc',
3383 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3384 subdir('libdecnumber')
3401 if config_host_data.get('CONFIG_REPLICATION')
3402 block_ss.add(files('replication.c'))
3409 blockdev_ss.add(files(
3416 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3417 # os-win32.c does not
3418 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3419 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3422 common_ss.add(files('cpus-common.c'))
3423 specific_ss.add(files('cpu.c'))
3427 # Work around a gcc bug/misfeature wherein constant propagation looks
3429 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3430 # to guess that a const variable is always zero. Without lto, this is
3431 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3432 # without lto, not even the alias is required -- we simply use different
3433 # declarations in different compilation units.
3434 pagevary = files('page-vary-common.c')
3435 if get_option('b_lto')
3436 pagevary_flags = ['-fno-lto']
3437 if get_option('cfi')
3438 pagevary_flags += '-fno-sanitize=cfi-icall'
3440 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3441 c_args: pagevary_flags)
3442 pagevary = declare_dependency(link_with: pagevary)
3444 common_ss.add(pagevary)
3445 specific_ss.add(files('page-vary.c'))
3453 subdir('semihosting')
3461 common_user_inc = []
3463 subdir('common-user')
3465 subdir('linux-user')
3467 # needed for fuzzing binaries
3468 subdir('tests/qtest/libqos')
3469 subdir('tests/qtest/fuzz')
3472 tcg_real_module_ss = ss.source_set()
3473 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3474 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3475 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3476 'tcg': tcg_real_module_ss }}
3478 ########################
3479 # Library dependencies #
3480 ########################
3482 modinfo_collect = find_program('scripts/modinfo-collect.py')
3483 modinfo_generate = find_program('scripts/modinfo-generate.py')
3488 foreach d, list : modules
3489 if not (d == 'block' ? have_block : have_system)
3493 foreach m, module_ss : list
3495 module_ss = module_ss.apply(config_all, strict: false)
3496 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3497 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3503 if module_ss.sources() != []
3504 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3505 # input. Sources can be used multiple times but objects are
3506 # unique when it comes to lookup in compile_commands.json.
3507 # Depnds on a mesion version with
3508 # https://github.com/mesonbuild/meson/pull/8900
3509 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3510 output: d + '-' + m + '.modinfo',
3511 input: module_ss.sources() + genh,
3513 command: [modinfo_collect, module_ss.sources()])
3517 block_ss.add_all(module_ss)
3519 softmmu_ss.add_all(module_ss)
3525 foreach d, list : target_modules
3526 foreach m, module_ss : list
3528 foreach target : target_dirs
3529 if target.endswith('-softmmu')
3530 config_target = config_target_mak[target]
3531 config_target += config_host
3532 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3533 c_args = ['-DNEED_CPU_H',
3534 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3535 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3536 target_module_ss = module_ss.apply(config_target, strict: false)
3537 if target_module_ss.sources() != []
3538 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3539 sl = static_library(module_name,
3540 [genh, target_module_ss.sources()],
3541 dependencies: [modulecommon, target_module_ss.dependencies()],
3542 include_directories: target_inc,
3546 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3547 modinfo_files += custom_target(module_name + '.modinfo',
3548 output: module_name + '.modinfo',
3549 input: target_module_ss.sources() + genh,
3551 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3556 specific_ss.add_all(module_ss)
3562 foreach target : target_dirs
3563 if target.endswith('-softmmu')
3564 config_target = config_target_mak[target]
3565 config_devices_mak = target + '-config-devices.mak'
3566 modinfo_src = custom_target('modinfo-' + target + '.c',
3567 output: 'modinfo-' + target + '.c',
3568 input: modinfo_files,
3569 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3572 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3573 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3575 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3576 hw_arch[arch].add(modinfo_dep)
3581 nm = find_program('nm')
3582 undefsym = find_program('scripts/undefsym.py')
3583 block_syms = custom_target('block.syms', output: 'block.syms',
3584 input: [libqemuutil, block_mods],
3586 command: [undefsym, nm, '@INPUT@'])
3587 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3588 input: [libqemuutil, softmmu_mods],
3590 command: [undefsym, nm, '@INPUT@'])
3592 authz_ss = authz_ss.apply(config_host, strict: false)
3593 libauthz = static_library('authz', authz_ss.sources() + genh,
3594 dependencies: [authz_ss.dependencies()],
3596 build_by_default: false)
3598 authz = declare_dependency(link_whole: libauthz,
3601 crypto_ss = crypto_ss.apply(config_host, strict: false)
3602 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3603 dependencies: [crypto_ss.dependencies()],
3605 build_by_default: false)
3607 crypto = declare_dependency(link_whole: libcrypto,
3608 dependencies: [authz, qom])
3610 io_ss = io_ss.apply(config_host, strict: false)
3611 libio = static_library('io', io_ss.sources() + genh,
3612 dependencies: [io_ss.dependencies()],
3613 link_with: libqemuutil,
3615 build_by_default: false)
3617 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3619 libmigration = static_library('migration', sources: migration_files + genh,
3621 build_by_default: false)
3622 migration = declare_dependency(link_with: libmigration,
3623 dependencies: [zlib, qom, io])
3624 softmmu_ss.add(migration)
3626 block_ss = block_ss.apply(config_host, strict: false)
3627 libblock = static_library('block', block_ss.sources() + genh,
3628 dependencies: block_ss.dependencies(),
3629 link_depends: block_syms,
3631 build_by_default: false)
3633 block = declare_dependency(link_whole: [libblock],
3634 link_args: '@block.syms',
3635 dependencies: [crypto, io])
3637 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3638 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3639 dependencies: blockdev_ss.dependencies(),
3641 build_by_default: false)
3643 blockdev = declare_dependency(link_whole: [libblockdev],
3644 dependencies: [block, event_loop_base])
3646 qmp_ss = qmp_ss.apply(config_host, strict: false)
3647 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3648 dependencies: qmp_ss.dependencies(),
3650 build_by_default: false)
3652 qmp = declare_dependency(link_whole: [libqmp])
3654 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3656 dependencies: chardev_ss.dependencies(),
3657 build_by_default: false)
3659 chardev = declare_dependency(link_whole: libchardev)
3661 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3662 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3664 build_by_default: false)
3665 hwcore = declare_dependency(link_whole: libhwcore)
3666 common_ss.add(hwcore)
3672 emulator_modules = []
3673 foreach m : block_mods + softmmu_mods
3674 emulator_modules += shared_module(m.name(),
3675 build_by_default: true,
3679 install_dir: qemu_moddir)
3681 if emulator_modules.length() > 0
3682 alias_target('modules', emulator_modules)
3685 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3686 common_ss.add(qom, qemuutil)
3688 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3689 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3691 common_all = common_ss.apply(config_all, strict: false)
3692 common_all = static_library('common',
3693 build_by_default: false,
3694 sources: common_all.sources() + genh,
3695 include_directories: common_user_inc,
3696 implicit_include_directories: false,
3697 dependencies: common_all.dependencies(),
3700 feature_to_c = find_program('scripts/feature_to_c.sh')
3702 if targetos == 'darwin'
3703 entitlement = find_program('scripts/entitlement.sh')
3707 foreach target : target_dirs
3708 config_target = config_target_mak[target]
3709 target_name = config_target['TARGET_NAME']
3710 target_base_arch = config_target['TARGET_BASE_ARCH']
3711 arch_srcs = [config_target_h[target]]
3713 c_args = ['-DNEED_CPU_H',
3714 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3715 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3716 link_args = emulator_link_args
3718 config_target += config_host
3719 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3720 if targetos == 'linux'
3721 target_inc += include_directories('linux-headers', is_system: true)
3723 if target.endswith('-softmmu')
3724 target_type='system'
3725 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3726 arch_srcs += t.sources()
3727 arch_deps += t.dependencies()
3729 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3730 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3731 arch_srcs += hw.sources()
3732 arch_deps += hw.dependencies()
3734 arch_srcs += config_devices_h[target]
3735 link_args += ['@block.syms', '@qemu.syms']
3737 abi = config_target['TARGET_ABI_DIR']
3739 target_inc += common_user_inc
3740 if target_base_arch in target_user_arch
3741 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3742 arch_srcs += t.sources()
3743 arch_deps += t.dependencies()
3745 if 'CONFIG_LINUX_USER' in config_target
3746 base_dir = 'linux-user'
3748 if 'CONFIG_BSD_USER' in config_target
3749 base_dir = 'bsd-user'
3750 target_inc += include_directories('bsd-user/' / targetos)
3751 target_inc += include_directories('bsd-user/host/' / host_arch)
3752 dir = base_dir / abi
3753 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3755 target_inc += include_directories(
3759 if 'CONFIG_LINUX_USER' in config_target
3760 dir = base_dir / abi
3761 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3762 if config_target.has_key('TARGET_SYSTBL_ABI')
3764 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3765 extra_args : config_target['TARGET_SYSTBL_ABI'])
3770 if 'TARGET_XML_FILES' in config_target
3771 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3772 output: target + '-gdbstub-xml.c',
3773 input: files(config_target['TARGET_XML_FILES'].split()),
3774 command: [feature_to_c, '@INPUT@'],
3776 arch_srcs += gdbstub_xml
3779 t = target_arch[target_base_arch].apply(config_target, strict: false)
3780 arch_srcs += t.sources()
3781 arch_deps += t.dependencies()
3783 target_common = common_ss.apply(config_target, strict: false)
3784 objects = common_all.extract_objects(target_common.sources())
3785 deps = target_common.dependencies()
3787 target_specific = specific_ss.apply(config_target, strict: false)
3788 arch_srcs += target_specific.sources()
3789 arch_deps += target_specific.dependencies()
3791 lib = static_library('qemu-' + target,
3792 sources: arch_srcs + genh,
3793 dependencies: arch_deps,
3795 include_directories: target_inc,
3797 build_by_default: false,
3800 if target.endswith('-softmmu')
3802 'name': 'qemu-system-' + target_name,
3803 'win_subsystem': 'console',
3804 'sources': files('softmmu/main.c'),
3807 if targetos == 'windows' and (sdl.found() or gtk.found())
3809 'name': 'qemu-system-' + target_name + 'w',
3810 'win_subsystem': 'windows',
3811 'sources': files('softmmu/main.c'),
3815 if get_option('fuzzing')
3816 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3818 'name': 'qemu-fuzz-' + target_name,
3819 'win_subsystem': 'console',
3820 'sources': specific_fuzz.sources(),
3821 'dependencies': specific_fuzz.dependencies(),
3826 'name': 'qemu-' + target_name,
3827 'win_subsystem': 'console',
3833 exe_name = exe['name']
3834 if targetos == 'darwin'
3835 exe_name += '-unsigned'
3838 emulator = executable(exe_name, exe['sources'],
3841 dependencies: arch_deps + deps + exe['dependencies'],
3842 objects: lib.extract_all_objects(recursive: true),
3843 link_language: link_language,
3844 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3845 link_args: link_args,
3846 win_subsystem: exe['win_subsystem'])
3848 if targetos == 'darwin'
3849 icon = 'pc-bios/qemu.rsrc'
3850 build_input = [emulator, files(icon)]
3852 get_option('bindir') / exe_name,
3853 meson.current_source_dir() / icon
3855 if 'CONFIG_HVF' in config_target
3856 entitlements = 'accel/hvf/entitlements.plist'
3857 build_input += files(entitlements)
3858 install_input += meson.current_source_dir() / entitlements
3861 emulators += {exe['name'] : custom_target(exe['name'],
3863 output: exe['name'],
3864 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3867 meson.add_install_script(entitlement, '--install',
3868 get_option('bindir') / exe['name'],
3871 emulators += {exe['name']: emulator}
3876 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3877 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3878 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3879 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3881 custom_target(exe['name'] + stp['ext'],
3882 input: trace_events_all,
3883 output: exe['name'] + stp['ext'],
3884 install: stp['install'],
3885 install_dir: get_option('datadir') / 'systemtap/tapset',
3887 tracetool, '--group=all', '--format=' + stp['fmt'],
3888 '--binary=' + stp['bin'],
3889 '--target-name=' + target_name,
3890 '--target-type=' + target_type,
3891 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3892 '@INPUT@', '@OUTPUT@'
3894 depend_files: tracetool_depends)
3900 # Other build targets
3902 if 'CONFIG_PLUGIN' in config_host
3903 install_headers('include/qemu/qemu-plugin.h')
3908 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3909 # when we don't build tools or system
3910 if xkbcommon.found()
3911 # used for the update-keymaps target, so include rules even if !have_tools
3912 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3913 dependencies: [qemuutil, xkbcommon], install: have_tools)
3917 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3918 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3919 qemu_io = executable('qemu-io', files('qemu-io.c'),
3920 dependencies: [block, qemuutil], install: true)
3921 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3922 dependencies: [blockdev, qemuutil, gnutls, selinux],
3925 subdir('storage-daemon')
3926 subdir('contrib/rdmacm-mux')
3927 subdir('contrib/elf2dmp')
3929 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3930 dependencies: qemuutil,
3934 subdir('contrib/vhost-user-blk')
3935 subdir('contrib/vhost-user-gpu')
3936 subdir('contrib/vhost-user-input')
3937 subdir('contrib/vhost-user-scsi')
3940 if targetos == 'linux'
3941 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3942 dependencies: [qemuutil, libcap_ng],
3944 install_dir: get_option('libexecdir'))
3946 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3947 dependencies: [authz, crypto, io, qom, qemuutil,
3948 libcap_ng, mpathpersist],
3953 subdir('contrib/ivshmem-client')
3954 subdir('contrib/ivshmem-server')
3967 if host_machine.system() == 'windows'
3969 find_program('scripts/nsis.py'),
3971 get_option('prefix'),
3972 meson.current_source_dir(),
3973 glib_pc.get_variable('bindir'),
3976 '-DDISPLAYVERSION=' + meson.project_version(),
3979 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3982 nsis_cmd += '-DCONFIG_GTK=y'
3985 nsis = custom_target('nsis',
3986 output: 'qemu-setup-' + meson.project_version() + '.exe',
3987 input: files('qemu.nsi'),
3988 build_always_stale: true,
3989 command: nsis_cmd + ['@INPUT@'])
3990 alias_target('installer', nsis)
3993 #########################
3994 # Configuration summary #
3995 #########################
3999 summary_info += {'Install prefix': get_option('prefix')}
4000 summary_info += {'BIOS directory': qemu_datadir}
4001 pathsep = targetos == 'windows' ? ';' : ':'
4002 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4003 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4004 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4005 summary_info += {'module directory': qemu_moddir}
4006 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4007 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4008 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4009 if targetos != 'windows'
4010 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4011 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4013 summary_info += {'local state directory': 'queried at runtime'}
4015 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4016 summary_info += {'Build directory': meson.current_build_dir()}
4017 summary_info += {'Source path': meson.current_source_dir()}
4018 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
4019 summary(summary_info, bool_yn: true, section: 'Directories')
4023 summary_info += {'git': config_host['GIT']}
4024 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4025 summary_info += {'sphinx-build': sphinx_build}
4026 if config_host.has_key('HAVE_GDB_BIN')
4027 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4029 summary_info += {'iasl': iasl}
4030 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4031 if targetos == 'windows' and have_ga
4032 summary_info += {'wixl': wixl}
4034 if slirp.found() and have_system
4035 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4037 summary(summary_info, bool_yn: true, section: 'Host binaries')
4039 # Configurable features
4041 summary_info += {'Documentation': build_docs}
4042 summary_info += {'system-mode emulation': have_system}
4043 summary_info += {'user-mode emulation': have_user}
4044 summary_info += {'block layer': have_block}
4045 summary_info += {'Install blobs': get_option('install_blobs')}
4046 summary_info += {'module support': enable_modules}
4048 summary_info += {'alternative module path': get_option('module_upgrades')}
4050 summary_info += {'fuzzing support': get_option('fuzzing')}
4052 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4054 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4055 if 'simple' in get_option('trace_backends')
4056 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4058 summary_info += {'D-Bus display': dbus_display}
4059 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4060 summary_info += {'vhost-kernel support': have_vhost_kernel}
4061 summary_info += {'vhost-net support': have_vhost_net}
4062 summary_info += {'vhost-user support': have_vhost_user}
4063 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4064 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4065 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4066 summary_info += {'build guest agent': have_ga}
4067 summary(summary_info, bool_yn: true, section: 'Configurable features')
4069 # Compilation information
4071 summary_info += {'host CPU': cpu}
4072 summary_info += {'host endianness': build_machine.endian()}
4073 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4074 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4075 if link_language == 'cpp'
4076 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4078 summary_info += {'C++ compiler': false}
4080 if targetos == 'darwin'
4081 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4083 option_cflags = (get_option('debug') ? ['-g'] : [])
4084 if get_option('optimization') != 'plain'
4085 option_cflags += ['-O' + get_option('optimization')]
4087 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4088 if link_language == 'cpp'
4089 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4091 if targetos == 'darwin'
4092 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4094 link_args = get_option(link_language + '_link_args')
4095 if link_args.length() > 0
4096 summary_info += {'LDFLAGS': ' '.join(link_args)}
4098 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4099 if 'cpp' in all_languages
4100 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4102 if 'objc' in all_languages
4103 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4105 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4106 summary_info += {'profiler': get_option('profiler')}
4107 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4108 summary_info += {'PIE': get_option('b_pie')}
4109 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
4110 summary_info += {'malloc trim support': has_malloc_trim}
4111 summary_info += {'membarrier': have_membarrier}
4112 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4113 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4114 summary_info += {'mutex debugging': get_option('debug_mutex')}
4115 summary_info += {'memory allocator': get_option('malloc')}
4116 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4117 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4118 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4119 if get_option('gprof')
4120 gprof_info = 'YES (deprecated)'
4122 gprof_info = get_option('gprof')
4124 summary_info += {'gprof': gprof_info}
4125 summary_info += {'gcov': get_option('b_coverage')}
4126 summary_info += {'thread sanitizer': get_option('tsan')}
4127 summary_info += {'CFI support': get_option('cfi')}
4128 if get_option('cfi')
4129 summary_info += {'CFI debug support': get_option('cfi_debug')}
4131 summary_info += {'strip binaries': get_option('strip')}
4132 summary_info += {'sparse': sparse}
4133 summary_info += {'mingw32 support': targetos == 'windows'}
4134 summary(summary_info, bool_yn: true, section: 'Compilation')
4136 # snarf the cross-compilation information for tests
4139 foreach target: target_dirs
4140 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4141 if fs.exists(tcg_mak)
4142 config_cross_tcg = keyval.load(tcg_mak)
4143 if 'CC' in config_cross_tcg
4144 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4150 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4153 # Targets and accelerators
4156 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4157 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4158 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4159 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4160 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4161 summary_info += {'Xen support': xen.found()}
4163 summary_info += {'xen ctrl version': xen.version()}
4165 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4167 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4168 if config_all.has_key('CONFIG_TCG')
4169 if get_option('tcg_interpreter')
4170 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4172 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4174 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4175 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4177 summary_info += {'target list': ' '.join(target_dirs)}
4179 summary_info += {'default devices': get_option('default_devices')}
4180 summary_info += {'out of process emulation': multiprocess_allowed}
4181 summary_info += {'vfio-user server': vfio_user_server_allowed}
4183 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4187 summary_info += {'coroutine backend': coroutine_backend}
4188 summary_info += {'coroutine pool': have_coroutine_pool}
4190 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4191 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4192 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4193 summary_info += {'VirtFS (9P) support': have_virtfs}
4194 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4195 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4196 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4197 summary_info += {'bochs support': get_option('bochs').allowed()}
4198 summary_info += {'cloop support': get_option('cloop').allowed()}
4199 summary_info += {'dmg support': get_option('dmg').allowed()}
4200 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4201 summary_info += {'vdi support': get_option('vdi').allowed()}
4202 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4203 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4204 summary_info += {'vpc support': get_option('vpc').allowed()}
4205 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4206 summary_info += {'qed support': get_option('qed').allowed()}
4207 summary_info += {'parallels support': get_option('parallels').allowed()}
4208 summary_info += {'FUSE exports': fuse}
4209 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4211 summary(summary_info, bool_yn: true, section: 'Block layer support')
4215 summary_info += {'TLS priority': get_option('tls_priority')}
4216 summary_info += {'GNUTLS support': gnutls}
4218 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4220 summary_info += {'libgcrypt': gcrypt}
4221 summary_info += {'nettle': nettle}
4223 summary_info += {' XTS': xts != 'private'}
4225 summary_info += {'AF_ALG support': have_afalg}
4226 summary_info += {'rng-none': get_option('rng_none')}
4227 summary_info += {'Linux keyring': have_keyring}
4228 summary(summary_info, bool_yn: true, section: 'Crypto')
4232 if targetos == 'darwin'
4233 summary_info += {'Cocoa support': cocoa}
4235 summary_info += {'SDL support': sdl}
4236 summary_info += {'SDL image support': sdl_image}
4237 summary_info += {'GTK support': gtk}
4238 summary_info += {'pixman': pixman}
4239 summary_info += {'VTE support': vte}
4240 summary_info += {'PNG support': png}
4241 summary_info += {'VNC support': vnc}
4243 summary_info += {'VNC SASL support': sasl}
4244 summary_info += {'VNC JPEG support': jpeg}
4246 summary_info += {'spice protocol support': spice_protocol}
4247 if spice_protocol.found()
4248 summary_info += {' spice server support': spice}
4250 summary_info += {'curses support': curses}
4251 summary_info += {'brlapi support': brlapi}
4252 summary(summary_info, bool_yn: true, section: 'User interface')
4256 if targetos not in ['darwin', 'haiku', 'windows']
4257 summary_info += {'OSS support': oss}
4258 summary_info += {'sndio support': sndio}
4259 elif targetos == 'darwin'
4260 summary_info += {'CoreAudio support': coreaudio}
4261 elif targetos == 'windows'
4262 summary_info += {'DirectSound support': dsound}
4264 if targetos == 'linux'
4265 summary_info += {'ALSA support': alsa}
4266 summary_info += {'PulseAudio support': pulse}
4268 summary_info += {'Pipewire support': pipewire}
4269 summary_info += {'JACK support': jack}
4270 summary(summary_info, bool_yn: true, section: 'Audio backends')
4274 if targetos == 'darwin'
4275 summary_info += {'vmnet.framework support': vmnet}
4277 summary_info += {'slirp support': slirp}
4278 summary_info += {'vde support': vde}
4279 summary_info += {'netmap support': have_netmap}
4280 summary_info += {'l2tpv3 support': have_l2tpv3}
4281 summary(summary_info, bool_yn: true, section: 'Network backends')
4285 summary_info += {'libtasn1': tasn1}
4286 summary_info += {'PAM': pam}
4287 summary_info += {'iconv support': iconv}
4288 summary_info += {'virgl support': virgl}
4289 summary_info += {'blkio support': blkio}
4290 summary_info += {'curl support': curl}
4291 summary_info += {'Multipath support': mpathpersist}
4292 summary_info += {'Linux AIO support': libaio}
4293 summary_info += {'Linux io_uring support': linux_io_uring}
4294 summary_info += {'ATTR/XATTR support': libattr}
4295 summary_info += {'RDMA support': rdma}
4296 summary_info += {'PVRDMA support': have_pvrdma}
4297 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4298 summary_info += {'libcap-ng support': libcap_ng}
4299 summary_info += {'bpf support': libbpf}
4300 summary_info += {'rbd support': rbd}
4301 summary_info += {'smartcard support': cacard}
4302 summary_info += {'U2F support': u2f}
4303 summary_info += {'libusb': libusb}
4304 summary_info += {'usb net redir': usbredir}
4305 summary_info += {'OpenGL support (epoxy)': opengl}
4306 summary_info += {'GBM': gbm}
4307 summary_info += {'libiscsi support': libiscsi}
4308 summary_info += {'libnfs support': libnfs}
4309 if targetos == 'windows'
4311 summary_info += {'QGA VSS support': have_qga_vss}
4314 summary_info += {'seccomp support': seccomp}
4315 summary_info += {'GlusterFS support': glusterfs}
4316 summary_info += {'TPM support': have_tpm}
4317 summary_info += {'libssh support': libssh}
4318 summary_info += {'lzo support': lzo}
4319 summary_info += {'snappy support': snappy}
4320 summary_info += {'bzip2 support': libbzip2}
4321 summary_info += {'lzfse support': liblzfse}
4322 summary_info += {'zstd support': zstd}
4323 summary_info += {'NUMA host support': numa}
4324 summary_info += {'capstone': capstone}
4325 summary_info += {'libpmem support': libpmem}
4326 summary_info += {'libdaxctl support': libdaxctl}
4327 summary_info += {'libudev': libudev}
4328 # Dummy dependency, keep .found()
4329 summary_info += {'FUSE lseek': fuse_lseek.found()}
4330 summary_info += {'selinux': selinux}
4331 summary_info += {'libdw': libdw}
4332 summary(summary_info, bool_yn: true, section: 'Dependencies')
4334 if not supported_cpus.contains(cpu)
4336 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4338 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4339 message('The QEMU project intends to remove support for this host CPU in')
4340 message('a future release if nobody volunteers to maintain it and to')
4341 message('provide a build host for our continuous integration setup.')
4342 message('configure has succeeded and you can continue to build, but')
4343 message('if you care about QEMU on this platform you should contact')
4344 message('us upstream at qemu-devel@nongnu.org.')
4347 if not supported_oses.contains(targetos)
4349 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4351 message('Host OS ' + targetos + 'support is not currently maintained.')
4352 message('The QEMU project intends to remove support for this host OS in')
4353 message('a future release if nobody volunteers to maintain it and to')
4354 message('provide a build host for our continuous integration setup.')
4355 message('configure has succeeded and you can continue to build, but')
4356 message('if you care about QEMU on this platform you should contact')
4357 message('us upstream at qemu-devel@nongnu.org.')