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', 'aarch64-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 # Set up C++ compiler flags
478 if 'cpp' in all_languages
479 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
483 if get_option('optimization') != '0' and targetos == 'linux'
484 if cc.get_id() == 'gcc'
485 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
487 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
488 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
492 add_project_arguments(qemu_cflags, native: false, language: 'c')
493 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
494 if 'cpp' in all_languages
495 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
496 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
498 if 'objc' in all_languages
499 # Note sanitizer flags are not applied to Objective-C sources!
500 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
502 if targetos == 'linux'
503 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
504 '-isystem', 'linux-headers',
505 language: all_languages)
508 add_project_arguments('-iquote', '.',
509 '-iquote', meson.current_source_dir(),
510 '-iquote', meson.current_source_dir() / 'include',
511 language: all_languages)
513 # If a host-specific include directory exists, list that first...
514 host_include = meson.current_source_dir() / 'host/include/'
515 if fs.is_dir(host_include / host_arch)
516 add_project_arguments('-iquote', host_include / host_arch,
517 language: all_languages)
519 # ... followed by the generic fallback.
520 add_project_arguments('-iquote', host_include / 'generic',
521 language: all_languages)
523 sparse = find_program('cgcc', required: get_option('sparse'))
526 command: [find_program('scripts/check_sparse.py'),
527 'compile_commands.json', sparse.full_path(), '-Wbitwise',
528 '-Wno-transparent-union', '-Wno-old-initializer',
529 '-Wno-non-pointer-null'])
532 ###########################################
533 # Target-specific checks and dependencies #
534 ###########################################
537 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
540 #include <sys/types.h>
541 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
542 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
544 args: ['-Werror', '-fsanitize=fuzzer'])
545 error('Your compiler does not support -fsanitize=fuzzer')
549 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
550 error('ftrace is supported only on Linux')
552 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
555 openlog("qemu", LOG_PID, LOG_DAEMON);
556 syslog(LOG_INFO, "configure");
559 error('syslog is not supported on this system')
562 # Miscellaneous Linux-only features
563 get_option('mpath') \
564 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
566 multiprocess_allowed = get_option('multiprocess') \
567 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
570 vfio_user_server_allowed = get_option('vfio_user_server') \
571 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
574 have_tpm = get_option('tpm') \
575 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
579 have_vhost_user = get_option('vhost_user') \
580 .disable_auto_if(targetos != 'linux') \
581 .require(targetos != 'windows',
582 error_message: 'vhost-user is not available on Windows').allowed()
583 have_vhost_vdpa = get_option('vhost_vdpa') \
584 .require(targetos == 'linux',
585 error_message: 'vhost-vdpa is only available on Linux').allowed()
586 have_vhost_kernel = get_option('vhost_kernel') \
587 .require(targetos == 'linux',
588 error_message: 'vhost-kernel is only available on Linux').allowed()
589 have_vhost_user_crypto = get_option('vhost_crypto') \
590 .require(have_vhost_user,
591 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
593 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
595 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
596 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
597 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
598 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
600 # Target-specific libraries and flags
601 libm = cc.find_library('m', required: false)
602 threads = dependency('threads')
603 util = cc.find_library('util', required: false)
609 emulator_link_args = []
616 if targetos == 'windows'
617 midl = find_program('midl', required: false)
618 widl = find_program('widl', required: false)
619 pathcch = cc.find_library('pathcch')
620 socket = cc.find_library('ws2_32')
621 winmm = cc.find_library('winmm')
623 win = import('windows')
624 version_res = win.compile_resources('version.rc',
625 depend_files: files('pc-bios/qemu-nsis.ico'),
626 include_directories: include_directories('.'))
628 elif targetos == 'darwin'
629 coref = dependency('appleframeworks', modules: 'CoreFoundation')
630 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
631 host_dsosuf = '.dylib'
632 elif targetos == 'sunos'
633 socket = [cc.find_library('socket'),
634 cc.find_library('nsl'),
635 cc.find_library('resolv')]
636 elif targetos == 'haiku'
637 socket = [cc.find_library('posix_error_mapper'),
638 cc.find_library('network'),
639 cc.find_library('bsd')]
640 elif targetos == 'openbsd'
641 if get_option('tcg').allowed() and target_dirs.length() > 0
642 # Disable OpenBSD W^X if available
643 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
647 # Target-specific configuration of accelerators
649 if get_option('kvm').allowed() and targetos == 'linux'
650 accelerators += 'CONFIG_KVM'
652 if get_option('whpx').allowed() and targetos == 'windows'
653 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
654 error('WHPX requires 64-bit host')
655 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
656 cc.has_header('winhvemulation.h', required: get_option('whpx'))
657 accelerators += 'CONFIG_WHPX'
660 if get_option('hvf').allowed()
661 hvf = dependency('appleframeworks', modules: 'Hypervisor',
662 required: get_option('hvf'))
664 accelerators += 'CONFIG_HVF'
667 if get_option('hax').allowed()
668 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
669 accelerators += 'CONFIG_HAX'
672 if targetos == 'netbsd'
673 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
675 accelerators += 'CONFIG_NVMM'
680 if get_option('tcg').allowed()
681 if host_arch == 'unknown'
682 if get_option('tcg_interpreter')
683 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
685 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
687 elif get_option('tcg_interpreter')
688 warning('Use of the TCG interpreter is not recommended on this host')
689 warning('architecture. There is a native TCG execution backend available')
690 warning('which provides substantially better performance and reliability.')
691 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
692 warning('configuration option on this architecture to use the native')
695 if get_option('tcg_interpreter')
697 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
698 elif host_arch == 'x86_64'
700 elif host_arch == 'ppc64'
703 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
704 language: all_languages)
706 accelerators += 'CONFIG_TCG'
707 config_host += { 'CONFIG_TCG': 'y' }
710 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
711 error('KVM not available on this platform')
713 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
714 error('HVF not available on this platform')
716 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
717 error('NVMM not available on this platform')
719 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
720 error('WHPX not available on this platform')
727 # When bumping glib minimum version, please check also whether to increase
728 # the _WIN32_WINNT setting in osdep.h according to the value from glib
729 glib_req_ver = '>=2.56.0'
730 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
731 method: 'pkg-config')
734 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
735 method: 'pkg-config')
736 elif config_host.has_key('CONFIG_PLUGIN')
737 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
738 method: 'pkg-config')
743 # This workaround is required due to a bug in pkg-config file for glib as it
744 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
745 if targetos == 'windows' and get_option('prefer_static')
746 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
749 # Sanity check that the current size_t matches the
750 # size that glib thinks it should be. This catches
751 # problems on multi-arch where people try to build
752 # 32-bit QEMU while pointing at 64-bit glib headers
754 if not cc.compiles('''
758 #define QEMU_BUILD_BUG_ON(x) \
759 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
762 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
764 }''', dependencies: glib_pc, args: glib_cflags)
765 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
766 You probably need to set PKG_CONFIG_LIBDIR" to point
767 to the right pkg-config files for your build target.''')
770 # Silence clang warnings triggered by glib < 2.57.2
771 if not cc.compiles('''
776 static void foo_free(Foo *f)
780 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
781 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
782 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
784 glib = declare_dependency(dependencies: [glib_pc, gmodule],
785 compile_args: glib_cflags,
786 version: glib_pc.version())
788 # Check whether glib has gslice, which we have to avoid for correctness.
789 # TODO: remove this check and the corresponding workaround (qtree) when
790 # the minimum supported glib is >= 2.75.3
791 glib_has_gslice = glib.version().version_compare('<2.75.3')
793 # override glib dep to include the above refinements
794 meson.override_dependency('glib-2.0', glib)
796 # The path to glib.h is added to all compilation commands.
797 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
798 native: false, language: all_languages)
801 gdbus_codegen = not_found
802 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
803 if not get_option('gio').auto() or have_system
804 gio = dependency('gio-2.0', required: get_option('gio'),
805 method: 'pkg-config')
806 if gio.found() and not cc.links('''
810 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
812 }''', dependencies: [glib, gio])
813 if get_option('gio').enabled()
814 error('The installed libgio is broken for static linking')
819 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
820 required: get_option('gio'))
821 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
822 method: 'pkg-config')
823 gio = declare_dependency(dependencies: [gio, gio_unix],
824 version: gio.version())
827 if gdbus_codegen.found() and get_option('cfi')
828 gdbus_codegen = not_found
829 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
832 xml_pp = find_program('scripts/xml-preprocess.py')
835 if 'ust' in get_option('trace_backends')
836 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
837 method: 'pkg-config')
840 if have_system or have_tools
841 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
842 method: 'pkg-config')
844 zlib = dependency('zlib', required: true)
847 if not get_option('linux_aio').auto() or have_block
848 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
849 required: get_option('linux_aio'))
852 linux_io_uring_test = '''
853 #include <liburing.h>
854 #include <linux/errqueue.h>
856 int main(void) { return 0; }'''
858 linux_io_uring = not_found
859 if not get_option('linux_io_uring').auto() or have_block
860 linux_io_uring = dependency('liburing', version: '>=0.3',
861 required: get_option('linux_io_uring'),
862 method: 'pkg-config')
863 if not cc.links(linux_io_uring_test)
864 linux_io_uring = not_found
869 if not get_option('libnfs').auto() or have_block
870 libnfs = dependency('libnfs', version: '>=1.9.3',
871 required: get_option('libnfs'),
872 method: 'pkg-config')
877 #include <sys/types.h>
878 #ifdef CONFIG_LIBATTR
879 #include <attr/xattr.h>
881 #include <sys/xattr.h>
883 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
886 have_old_libattr = false
887 if get_option('attr').allowed()
888 if cc.links(libattr_test)
889 libattr = declare_dependency()
891 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
892 required: get_option('attr'))
893 if libattr.found() and not \
894 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
896 if get_option('attr').enabled()
897 error('could not link libattr')
899 warning('could not link libattr, disabling')
902 have_old_libattr = libattr.found()
907 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
908 required: get_option('cocoa'))
910 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
911 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
912 'VMNET_BRIDGED_MODE',
915 if get_option('vmnet').enabled()
916 error('vmnet.framework API is outdated')
918 warning('vmnet.framework API is outdated, disabling')
923 seccomp_has_sysrawrc = false
924 if not get_option('seccomp').auto() or have_system or have_tools
925 seccomp = dependency('libseccomp', version: '>=2.3.0',
926 required: get_option('seccomp'),
927 method: 'pkg-config')
929 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
930 'SCMP_FLTATR_API_SYSRAWRC',
931 dependencies: seccomp)
935 libcap_ng = not_found
936 if not get_option('cap_ng').auto() or have_system or have_tools
937 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
938 required: get_option('cap_ng'))
940 if libcap_ng.found() and not cc.links('''
944 capng_capability_to_name(CAPNG_EFFECTIVE);
946 }''', dependencies: libcap_ng)
947 libcap_ng = not_found
948 if get_option('cap_ng').enabled()
949 error('could not link libcap-ng')
951 warning('could not link libcap-ng, disabling')
955 if get_option('xkbcommon').auto() and not have_system and not have_tools
956 xkbcommon = not_found
958 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
959 method: 'pkg-config')
963 if not get_option('slirp').auto() or have_system
964 slirp = dependency('slirp', required: get_option('slirp'),
965 method: 'pkg-config')
966 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
967 # it passes function pointers within libslirp as callbacks for timers.
968 # When using a system-wide shared libslirp, the type information for the
969 # callback is missing and the timer call produces a false positive with CFI.
970 # Do not use the "version" keyword argument to produce a better error.
971 # with control-flow integrity.
972 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
973 if get_option('slirp').enabled()
974 error('Control-Flow Integrity requires libslirp 4.7.')
976 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
983 if not get_option('vde').auto() or have_system or have_tools
984 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
985 required: get_option('vde'))
987 if vde.found() and not cc.links('''
988 #include <libvdeplug.h>
991 struct vde_open_args a = {0, 0, 0};
995 }''', dependencies: vde)
997 if get_option('cap_ng').enabled()
998 error('could not link libvdeplug')
1000 warning('could not link libvdeplug, disabling')
1005 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1006 pulse = dependency('libpulse', required: get_option('pa'),
1007 method: 'pkg-config')
1010 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1011 alsa = dependency('alsa', required: get_option('alsa'),
1012 method: 'pkg-config')
1015 if not get_option('jack').auto() or have_system
1016 jack = dependency('jack', required: get_option('jack'),
1017 method: 'pkg-config')
1019 pipewire = not_found
1020 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1021 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1022 required: get_option('pipewire'),
1023 method: 'pkg-config')
1026 if not get_option('sndio').auto() or have_system
1027 sndio = dependency('sndio', required: get_option('sndio'),
1028 method: 'pkg-config')
1031 spice_protocol = not_found
1032 if not get_option('spice_protocol').auto() or have_system
1033 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1034 required: get_option('spice_protocol'),
1035 method: 'pkg-config')
1038 if not get_option('spice').auto() or have_system
1039 spice = dependency('spice-server', version: '>=0.14.0',
1040 required: get_option('spice'),
1041 method: 'pkg-config')
1043 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1045 rt = cc.find_library('rt', required: false)
1047 libiscsi = not_found
1048 if not get_option('libiscsi').auto() or have_block
1049 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1050 required: get_option('libiscsi'),
1051 method: 'pkg-config')
1054 if not get_option('zstd').auto() or have_block
1055 zstd = dependency('libzstd', version: '>=1.4.0',
1056 required: get_option('zstd'),
1057 method: 'pkg-config')
1061 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1062 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1063 virgl = dependency('virglrenderer',
1064 method: 'pkg-config',
1065 required: get_option('virglrenderer'))
1067 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1068 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1069 prefix: '#include <virglrenderer.h>',
1070 dependencies: virgl))
1074 if not get_option('blkio').auto() or have_block
1075 blkio = dependency('blkio',
1076 method: 'pkg-config',
1077 required: get_option('blkio'))
1080 if not get_option('curl').auto() or have_block
1081 curl = dependency('libcurl', version: '>=7.29.0',
1082 method: 'pkg-config',
1083 required: get_option('curl'))
1086 if targetos == 'linux' and (have_system or have_tools)
1087 libudev = dependency('libudev',
1088 method: 'pkg-config',
1089 required: get_option('libudev'))
1092 mpathlibs = [libudev]
1093 mpathpersist = not_found
1094 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1095 mpath_test_source = '''
1096 #include <libudev.h>
1097 #include <mpath_persist.h>
1098 unsigned mpath_mx_alloc_len = 1024;
1100 static struct config *multipath_conf;
1101 extern struct udev *udev;
1102 extern struct config *get_multipath_config(void);
1103 extern void put_multipath_config(struct config *conf);
1105 struct config *get_multipath_config(void) { return multipath_conf; }
1106 void put_multipath_config(struct config *conf) { }
1109 multipath_conf = mpath_lib_init();
1112 libmpathpersist = cc.find_library('mpathpersist',
1113 required: get_option('mpath'))
1114 if libmpathpersist.found()
1115 mpathlibs += libmpathpersist
1116 if get_option('prefer_static')
1117 mpathlibs += cc.find_library('devmapper',
1118 required: get_option('mpath'))
1120 mpathlibs += cc.find_library('multipath',
1121 required: get_option('mpath'))
1122 foreach lib: mpathlibs
1128 if mpathlibs.length() == 0
1129 msg = 'Dependencies missing for libmpathpersist'
1130 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1131 mpathpersist = declare_dependency(dependencies: mpathlibs)
1133 msg = 'Cannot detect libmpathpersist API'
1135 if not mpathpersist.found()
1136 if get_option('mpath').enabled()
1139 warning(msg + ', disabling')
1147 if have_system and get_option('curses').allowed()
1149 #if defined(__APPLE__) || defined(__OpenBSD__)
1150 #define _XOPEN_SOURCE_EXTENDED 1
1157 setlocale(LC_ALL, "");
1159 addwstr(L"wide chars\n");
1161 add_wch(WACS_DEGREE);
1165 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1166 curses = dependency(curses_dep_list,
1168 method: 'pkg-config')
1169 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1170 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1172 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1173 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1174 version: curses.version())
1176 msg = 'curses package not usable'
1180 if not curses.found()
1181 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1182 if targetos != 'windows' and not has_curses_h
1183 message('Trying with /usr/include/ncursesw')
1184 curses_compile_args += ['-I/usr/include/ncursesw']
1185 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1188 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1189 foreach curses_libname : curses_libname_list
1190 libcurses = cc.find_library(curses_libname,
1192 if libcurses.found()
1193 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1194 curses = declare_dependency(compile_args: curses_compile_args,
1195 dependencies: [libcurses])
1198 msg = 'curses library not usable'
1204 if get_option('iconv').allowed()
1205 foreach link_args : [ ['-liconv'], [] ]
1206 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1207 # We need to use libiconv if available because mixing libiconv's headers with
1208 # the system libc does not work.
1209 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1210 # included in the command line and libiconv will not be found.
1214 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1215 return conv != (iconv_t) -1;
1216 }''', args: link_args, dependencies: glib)
1217 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1222 if curses.found() and not iconv.found()
1223 if get_option('iconv').enabled()
1224 error('iconv not available')
1226 msg = 'iconv required for curses UI but not available'
1229 if not curses.found() and msg != ''
1230 if get_option('curses').enabled()
1233 warning(msg + ', disabling')
1239 if not get_option('brlapi').auto() or have_system
1240 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1241 required: get_option('brlapi'))
1242 if brlapi.found() and not cc.links('''
1245 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1247 if get_option('brlapi').enabled()
1248 error('could not link brlapi')
1250 warning('could not link brlapi, disabling')
1256 if not get_option('sdl').auto() or have_system
1257 sdl = dependency('sdl2', required: get_option('sdl'))
1258 sdl_image = not_found
1261 # Some versions of SDL have problems with -Wundef
1262 if not cc.compiles('''
1264 #include <SDL_syswm.h>
1265 int main(int argc, char *argv[]) { return 0; }
1266 ''', dependencies: sdl, args: '-Werror=undef')
1267 sdl = declare_dependency(compile_args: '-Wno-undef',
1269 version: sdl.version())
1271 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1272 method: 'pkg-config')
1274 if get_option('sdl_image').enabled()
1275 error('sdl-image required, but SDL was @0@'.format(
1276 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1278 sdl_image = not_found
1282 if not get_option('rbd').auto() or have_block
1283 librados = cc.find_library('rados', required: get_option('rbd'))
1284 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1285 required: get_option('rbd'))
1286 if librados.found() and librbd.found()
1289 #include <rbd/librbd.h>
1292 rados_create(&cluster, NULL);
1293 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1297 }''', dependencies: [librbd, librados])
1298 rbd = declare_dependency(dependencies: [librbd, librados])
1299 elif get_option('rbd').enabled()
1300 error('librbd >= 1.12.0 required')
1302 warning('librbd >= 1.12.0 not found, disabling')
1307 glusterfs = not_found
1308 glusterfs_ftruncate_has_stat = false
1309 glusterfs_iocb_has_stat = false
1310 if not get_option('glusterfs').auto() or have_block
1311 glusterfs = dependency('glusterfs-api', version: '>=3',
1312 required: get_option('glusterfs'),
1313 method: 'pkg-config')
1314 if glusterfs.found()
1315 glusterfs_ftruncate_has_stat = cc.links('''
1316 #include <glusterfs/api/glfs.h>
1321 /* new glfs_ftruncate() passes two additional args */
1322 return glfs_ftruncate(NULL, 0, NULL, NULL);
1324 ''', dependencies: glusterfs)
1325 glusterfs_iocb_has_stat = cc.links('''
1326 #include <glusterfs/api/glfs.h>
1328 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1330 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1336 glfs_io_cbk iocb = &glusterfs_iocb;
1337 iocb(NULL, 0 , NULL, NULL, NULL);
1340 ''', dependencies: glusterfs)
1345 if not get_option('libssh').auto() or have_block
1346 libssh = dependency('libssh', version: '>=0.8.7',
1347 method: 'pkg-config',
1348 required: get_option('libssh'))
1351 libbzip2 = not_found
1352 if not get_option('bzip2').auto() or have_block
1353 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1354 required: get_option('bzip2'))
1355 if libbzip2.found() and not cc.links('''
1357 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1358 libbzip2 = not_found
1359 if get_option('bzip2').enabled()
1360 error('could not link libbzip2')
1362 warning('could not link libbzip2, disabling')
1367 liblzfse = not_found
1368 if not get_option('lzfse').auto() or have_block
1369 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1370 required: get_option('lzfse'))
1372 if liblzfse.found() and not cc.links('''
1374 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1375 liblzfse = not_found
1376 if get_option('lzfse').enabled()
1377 error('could not link liblzfse')
1379 warning('could not link liblzfse, disabling')
1384 if get_option('oss').allowed() and have_system
1385 if not cc.has_header('sys/soundcard.h')
1387 elif targetos == 'netbsd'
1388 oss = cc.find_library('ossaudio', required: get_option('oss'))
1390 oss = declare_dependency()
1394 if get_option('oss').enabled()
1395 error('OSS not found')
1400 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1401 if cc.has_header('dsound.h')
1402 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1405 if not dsound.found()
1406 if get_option('dsound').enabled()
1407 error('DirectSound not found')
1412 coreaudio = not_found
1413 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1414 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1415 required: get_option('coreaudio'))
1419 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1420 epoxy = dependency('epoxy', method: 'pkg-config',
1421 required: get_option('opengl'))
1422 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1424 elif get_option('opengl').enabled()
1425 error('epoxy/egl.h not found')
1429 if (have_system or have_tools) and (virgl.found() or opengl.found())
1430 gbm = dependency('gbm', method: 'pkg-config', required: false)
1432 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1435 gnutls_crypto = not_found
1436 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1437 # For general TLS support our min gnutls matches
1438 # that implied by our platform support matrix
1440 # For the crypto backends, we look for a newer
1443 # Version 3.6.8 is needed to get XTS
1444 # Version 3.6.13 is needed to get PBKDF
1445 # Version 3.6.14 is needed to get HW accelerated XTS
1447 # If newer enough gnutls isn't available, we can
1448 # still use a different crypto backend to satisfy
1449 # the platform support requirements
1450 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1451 method: 'pkg-config',
1453 if gnutls_crypto.found()
1454 gnutls = gnutls_crypto
1456 # Our min version if all we need is TLS
1457 gnutls = dependency('gnutls', version: '>=3.5.18',
1458 method: 'pkg-config',
1459 required: get_option('gnutls'))
1463 # We prefer use of gnutls for crypto, unless the options
1464 # explicitly asked for nettle or gcrypt.
1466 # If gnutls isn't available for crypto, then we'll prefer
1467 # gcrypt over nettle for performance reasons.
1473 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1474 error('Only one of gcrypt & nettle can be enabled')
1477 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1478 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1479 gnutls_crypto = not_found
1482 if not gnutls_crypto.found()
1483 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1484 gcrypt = dependency('libgcrypt', version: '>=1.8',
1485 method: 'config-tool',
1486 required: get_option('gcrypt'))
1487 # Debian has removed -lgpg-error from libgcrypt-config
1488 # as it "spreads unnecessary dependencies" which in
1489 # turn breaks static builds...
1490 if gcrypt.found() and get_option('prefer_static')
1491 gcrypt = declare_dependency(dependencies:
1493 cc.find_library('gpg-error', required: true)],
1494 version: gcrypt.version())
1497 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1498 nettle = dependency('nettle', version: '>=3.4',
1499 method: 'pkg-config',
1500 required: get_option('nettle'))
1501 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1507 gmp = dependency('gmp', required: false, method: 'pkg-config')
1508 if nettle.found() and gmp.found()
1509 hogweed = dependency('hogweed', version: '>=3.4',
1510 method: 'pkg-config',
1511 required: get_option('nettle'))
1518 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1520 if not get_option('gtk').auto() or have_system
1521 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1522 method: 'pkg-config',
1523 required: get_option('gtk'))
1525 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1526 method: 'pkg-config',
1528 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1529 version: gtk.version())
1531 if not get_option('vte').auto() or have_system
1532 vte = dependency('vte-2.91',
1533 method: 'pkg-config',
1534 required: get_option('vte'))
1536 elif have_gtk_clipboard
1537 error('GTK clipboard requested, but GTK not found')
1543 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1546 if get_option('png').allowed() and have_system
1547 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1548 method: 'pkg-config')
1553 if get_option('vnc').allowed() and have_system
1554 vnc = declare_dependency() # dummy dependency
1555 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1556 method: 'pkg-config')
1557 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1558 required: get_option('vnc_sasl'))
1560 sasl = declare_dependency(dependencies: sasl,
1561 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1566 if not get_option('auth_pam').auto() or have_system
1567 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1568 required: get_option('auth_pam'))
1570 if pam.found() and not cc.links('''
1572 #include <security/pam_appl.h>
1574 const char *service_name = "qemu";
1575 const char *user = "frank";
1576 const struct pam_conv pam_conv = { 0 };
1577 pam_handle_t *pamh = NULL;
1578 pam_start(service_name, user, &pam_conv, &pamh);
1580 }''', dependencies: pam)
1582 if get_option('auth_pam').enabled()
1583 error('could not link libpam')
1585 warning('could not link libpam, disabling')
1590 if not get_option('snappy').auto() or have_system
1591 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1592 required: get_option('snappy'))
1594 if snappy.found() and not cc.links('''
1595 #include <snappy-c.h>
1596 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1598 if get_option('snappy').enabled()
1599 error('could not link libsnappy')
1601 warning('could not link libsnappy, disabling')
1606 if not get_option('lzo').auto() or have_system
1607 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1608 required: get_option('lzo'))
1610 if lzo.found() and not cc.links('''
1611 #include <lzo/lzo1x.h>
1612 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1614 if get_option('lzo').enabled()
1615 error('could not link liblzo2')
1617 warning('could not link liblzo2, disabling')
1622 if not get_option('numa').auto() or have_system or have_tools
1623 numa = cc.find_library('numa', has_headers: ['numa.h'],
1624 required: get_option('numa'))
1626 if numa.found() and not cc.links('''
1628 int main(void) { return numa_available(); }
1629 ''', dependencies: numa)
1631 if get_option('numa').enabled()
1632 error('could not link numa')
1634 warning('could not link numa, disabling')
1639 if not get_option('rdma').auto() or have_system
1640 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1641 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1642 required: get_option('rdma')),
1643 cc.find_library('ibverbs', required: get_option('rdma')),
1645 rdma = declare_dependency(dependencies: rdma_libs)
1646 foreach lib: rdma_libs
1654 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1655 xencontrol = dependency('xencontrol', required: false,
1656 method: 'pkg-config')
1657 if xencontrol.found()
1658 xen_pc = declare_dependency(version: xencontrol.version(),
1661 # disabler: true makes xen_pc.found() return false if any is not found
1662 dependency('xenstore', required: false,
1663 method: 'pkg-config',
1665 dependency('xenforeignmemory', required: false,
1666 method: 'pkg-config',
1668 dependency('xengnttab', required: false,
1669 method: 'pkg-config',
1671 dependency('xenevtchn', required: false,
1672 method: 'pkg-config',
1674 dependency('xendevicemodel', required: false,
1675 method: 'pkg-config',
1677 # optional, no "disabler: true"
1678 dependency('xentoolcore', required: false,
1679 method: 'pkg-config')])
1685 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1687 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1688 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1689 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1690 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1694 foreach ver: xen_tests
1695 # cache the various library tests to avoid polluting the logs
1697 foreach l: xen_libs[ver]
1698 if l not in xen_deps
1699 xen_deps += { l: cc.find_library(l, required: false) }
1701 xen_test_deps += xen_deps[l]
1704 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1705 xen_version = ver.split('.')
1706 xen_ctrl_version = xen_version[0] + \
1707 ('0' + xen_version[1]).substring(-2) + \
1708 ('0' + xen_version[2]).substring(-2)
1709 if cc.links(files('scripts/xen-detect.c'),
1710 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1711 dependencies: xen_test_deps)
1712 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1718 accelerators += 'CONFIG_XEN'
1719 elif get_option('xen').enabled()
1720 error('could not compile and link Xen test program')
1723 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1724 .require(xen.found(),
1725 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1726 .require(targetos == 'linux',
1727 error_message: 'Xen PCI passthrough not available on this platform') \
1728 .require(cpu == 'x86' or cpu == 'x86_64',
1729 error_message: 'Xen PCI passthrough not available on this platform') \
1734 if not get_option('smartcard').auto() or have_system
1735 cacard = dependency('libcacard', required: get_option('smartcard'),
1736 version: '>=2.5.1', method: 'pkg-config')
1740 u2f = dependency('u2f-emu', required: get_option('u2f'),
1741 method: 'pkg-config')
1745 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1746 method: 'pkg-config')
1748 usbredir = not_found
1749 if not get_option('usb_redir').auto() or have_system
1750 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1751 version: '>=0.6', method: 'pkg-config')
1754 if not get_option('libusb').auto() or have_system
1755 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1756 version: '>=1.0.13', method: 'pkg-config')
1760 if not get_option('libpmem').auto() or have_system
1761 libpmem = dependency('libpmem', required: get_option('libpmem'),
1762 method: 'pkg-config')
1764 libdaxctl = not_found
1765 if not get_option('libdaxctl').auto() or have_system
1766 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1767 version: '>=57', method: 'pkg-config')
1771 tasn1 = dependency('libtasn1',
1772 method: 'pkg-config')
1774 keyutils = not_found
1775 if get_option('keyring').enabled()
1776 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1779 has_gettid = cc.has_function('gettid')
1782 selinux = dependency('libselinux',
1783 required: get_option('selinux'),
1784 method: 'pkg-config')
1789 if get_option('malloc') == 'system'
1791 get_option('malloc_trim').allowed() and \
1792 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1794 has_malloc_trim = false
1795 malloc = cc.find_library(get_option('malloc'), required: true)
1797 if not has_malloc_trim and get_option('malloc_trim').enabled()
1798 if get_option('malloc') == 'system'
1799 error('malloc_trim not available on this platform.')
1801 error('malloc_trim not available with non-libc memory allocator')
1805 gnu_source_prefix = '''
1811 # Check whether the glibc provides STATX_BASIC_STATS
1813 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1815 # Check whether statx() provides mount ID information
1817 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1819 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1820 .require(targetos == 'linux',
1821 error_message: 'vhost_user_blk_server requires linux') \
1822 .require(have_vhost_user,
1823 error_message: 'vhost_user_blk_server requires vhost-user support') \
1824 .disable_auto_if(not have_tools and not have_system) \
1827 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1828 error('Cannot enable fuse-lseek while fuse is disabled')
1831 fuse = dependency('fuse3', required: get_option('fuse'),
1832 version: '>=3.1', method: 'pkg-config')
1834 fuse_lseek = not_found
1835 if get_option('fuse_lseek').allowed()
1836 if fuse.version().version_compare('>=3.8')
1838 fuse_lseek = declare_dependency()
1839 elif get_option('fuse_lseek').enabled()
1841 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1843 error('fuse-lseek requires libfuse, which was not found')
1848 have_libvduse = (targetos == 'linux')
1849 if get_option('libvduse').enabled()
1850 if targetos != 'linux'
1851 error('libvduse requires linux')
1853 elif get_option('libvduse').disabled()
1854 have_libvduse = false
1857 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1858 if get_option('vduse_blk_export').enabled()
1859 if targetos != 'linux'
1860 error('vduse_blk_export requires linux')
1861 elif not have_libvduse
1862 error('vduse_blk_export requires libvduse support')
1864 elif get_option('vduse_blk_export').disabled()
1865 have_vduse_blk_export = false
1869 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1870 if libbpf.found() and not cc.links('''
1871 #include <bpf/libbpf.h>
1874 bpf_object__destroy_skeleton(NULL);
1876 }''', dependencies: libbpf)
1878 if get_option('bpf').enabled()
1879 error('libbpf skeleton test failed')
1881 warning('libbpf skeleton test failed, disabling')
1887 if not get_option('libdw').auto() or \
1888 (not get_option('prefer_static') and (have_system or have_user))
1889 libdw = dependency('libdw',
1890 method: 'pkg-config',
1891 required: get_option('libdw'))
1898 audio_drivers_selected = []
1900 audio_drivers_available = {
1901 'alsa': alsa.found(),
1902 'coreaudio': coreaudio.found(),
1903 'dsound': dsound.found(),
1904 'jack': jack.found(),
1906 'pa': pulse.found(),
1907 'pipewire': pipewire.found(),
1909 'sndio': sndio.found(),
1911 foreach k, v: audio_drivers_available
1912 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1915 # Default to native drivers first, OSS second, SDL third
1916 audio_drivers_priority = \
1917 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1918 (targetos == 'linux' ? [] : [ 'sdl' ])
1919 audio_drivers_default = []
1920 foreach k: audio_drivers_priority
1921 if audio_drivers_available[k]
1922 audio_drivers_default += k
1926 foreach k: get_option('audio_drv_list')
1928 audio_drivers_selected += audio_drivers_default
1929 elif not audio_drivers_available[k]
1930 error('Audio driver "@0@" not available.'.format(k))
1932 audio_drivers_selected += k
1936 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1937 '"' + '", "'.join(audio_drivers_selected) + '", ')
1939 if get_option('cfi')
1941 # Check for dependency on LTO
1942 if not get_option('b_lto')
1943 error('Selected Control-Flow Integrity but LTO is disabled')
1946 error('Selected Control-Flow Integrity is not compatible with modules')
1948 # Check for cfi flags. CFI requires LTO so we can't use
1949 # get_supported_arguments, but need a more complex "compiles" which allows
1951 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1952 args: ['-flto', '-fsanitize=cfi-icall'] )
1953 cfi_flags += '-fsanitize=cfi-icall'
1955 error('-fsanitize=cfi-icall is not supported by the compiler')
1957 if cc.compiles('int main () { return 0; }',
1958 name: '-fsanitize-cfi-icall-generalize-pointers',
1959 args: ['-flto', '-fsanitize=cfi-icall',
1960 '-fsanitize-cfi-icall-generalize-pointers'] )
1961 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1963 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1965 if get_option('cfi_debug')
1966 if cc.compiles('int main () { return 0; }',
1967 name: '-fno-sanitize-trap=cfi-icall',
1968 args: ['-flto', '-fsanitize=cfi-icall',
1969 '-fno-sanitize-trap=cfi-icall'] )
1970 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1972 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1975 add_global_arguments(cfi_flags, native: false, language: all_languages)
1976 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1979 have_host_block_device = (targetos != 'darwin' or
1980 cc.has_header('IOKit/storage/IOMedia.h'))
1982 dbus_display = get_option('dbus_display') \
1983 .require(gio.version().version_compare('>=2.64'),
1984 error_message: '-display dbus requires glib>=2.64') \
1985 .require(gdbus_codegen.found(),
1986 error_message: gdbus_codegen_error.format('-display dbus')) \
1989 have_virtfs = get_option('virtfs') \
1990 .require(targetos == 'linux' or targetos == 'darwin',
1991 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1992 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1993 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1994 .require(targetos == 'darwin' or libattr.found(),
1995 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1996 .disable_auto_if(not have_tools and not have_system) \
1999 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2000 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2001 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2002 .disable_auto_if(not have_tools) \
2003 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2006 if get_option('block_drv_ro_whitelist') == ''
2007 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2009 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2010 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2012 if get_option('block_drv_rw_whitelist') == ''
2013 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2015 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2016 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2019 foreach k : get_option('trace_backends')
2020 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2022 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2023 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2025 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2027 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2028 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2029 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2030 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2031 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2033 qemu_firmwarepath = ''
2034 foreach k : get_option('qemu_firmwarepath')
2035 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2037 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2039 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2040 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2041 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2042 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2043 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2044 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2047 config_host_data.set('CONFIG_STAMP', run_command(
2048 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2049 meson.project_version(), get_option('pkgversion'), '--',
2050 meson.current_source_dir() / 'configure',
2051 capture: true, check: true).stdout().strip())
2054 have_slirp_smbd = get_option('slirp_smbd') \
2055 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2058 smbd_path = get_option('smbd')
2060 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2062 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2065 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2067 if get_option('module_upgrades') and not enable_modules
2068 error('Cannot enable module-upgrades as modules are not enabled')
2070 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2072 config_host_data.set('CONFIG_ATTR', libattr.found())
2073 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2074 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2075 config_host_data.set('CONFIG_COCOA', cocoa.found())
2076 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2077 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2078 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2079 config_host_data.set('CONFIG_LZO', lzo.found())
2080 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2081 config_host_data.set('CONFIG_BLKIO', blkio.found())
2083 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2084 blkio.version().version_compare('>=1.3.0'))
2086 config_host_data.set('CONFIG_CURL', curl.found())
2087 config_host_data.set('CONFIG_CURSES', curses.found())
2088 config_host_data.set('CONFIG_GBM', gbm.found())
2089 config_host_data.set('CONFIG_GIO', gio.found())
2090 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2091 if glusterfs.found()
2092 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2093 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2094 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2095 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2096 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2097 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2099 config_host_data.set('CONFIG_GTK', gtk.found())
2100 config_host_data.set('CONFIG_VTE', vte.found())
2101 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2102 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2103 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2104 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2105 config_host_data.set('CONFIG_EBPF', libbpf.found())
2106 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2107 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2108 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2109 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2110 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2111 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2112 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2113 config_host_data.set('CONFIG_MODULES', enable_modules)
2114 config_host_data.set('CONFIG_NUMA', numa.found())
2116 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2117 cc.has_function('numa_has_preferred_many',
2118 dependencies: numa))
2120 config_host_data.set('CONFIG_OPENGL', opengl.found())
2121 config_host_data.set('CONFIG_RBD', rbd.found())
2122 config_host_data.set('CONFIG_RDMA', rdma.found())
2123 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2124 config_host_data.set('CONFIG_SDL', sdl.found())
2125 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2126 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2128 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2130 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2131 config_host_data.set('CONFIG_TPM', have_tpm)
2132 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2133 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2134 config_host_data.set('CONFIG_VDE', vde.found())
2135 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2136 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2137 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2138 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2139 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2140 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2141 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2142 config_host_data.set('CONFIG_VMNET', vmnet.found())
2143 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2144 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2145 config_host_data.set('CONFIG_PNG', png.found())
2146 config_host_data.set('CONFIG_VNC', vnc.found())
2147 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2148 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2149 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2150 config_host_data.set('CONFIG_VTE', vte.found())
2151 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2152 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2153 config_host_data.set('CONFIG_GETTID', has_gettid)
2154 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2155 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2156 config_host_data.set('CONFIG_TASN1', tasn1.found())
2157 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2158 config_host_data.set('CONFIG_NETTLE', nettle.found())
2159 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2160 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2161 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2162 config_host_data.set('CONFIG_STATX', has_statx)
2163 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2164 config_host_data.set('CONFIG_ZSTD', zstd.found())
2165 config_host_data.set('CONFIG_FUSE', fuse.found())
2166 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2167 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2168 if spice_protocol.found()
2169 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2170 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2171 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2173 config_host_data.set('CONFIG_SPICE', spice.found())
2174 config_host_data.set('CONFIG_X11', x11.found())
2175 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2176 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2177 config_host_data.set('CONFIG_SELINUX', selinux.found())
2178 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2179 config_host_data.set('CONFIG_LIBDW', libdw.found())
2181 # protect from xen.version() having less than three components
2182 xen_version = xen.version().split('.') + ['0', '0']
2183 xen_ctrl_version = xen_version[0] + \
2184 ('0' + xen_version[1]).substring(-2) + \
2185 ('0' + xen_version[2]).substring(-2)
2186 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2188 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2189 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2190 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2191 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2193 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2194 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2196 have_coroutine_pool = get_option('coroutine_pool')
2197 if get_option('debug_stack_usage') and have_coroutine_pool
2198 message('Disabling coroutine pool to measure stack usage')
2199 have_coroutine_pool = false
2201 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2202 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2203 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2204 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2205 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2206 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2207 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2208 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2211 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2212 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2213 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2214 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2215 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2216 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2217 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2218 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2219 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2220 if targetos == 'windows'
2221 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2225 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2226 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2227 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2228 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2229 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2230 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2231 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2232 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2233 # Note that we need to specify prefix: here to avoid incorrectly
2234 # thinking that Windows has posix_memalign()
2235 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2236 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2237 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2238 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2239 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2240 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2241 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2242 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2243 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2244 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2245 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2246 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2247 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2248 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2249 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2250 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2251 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2252 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2254 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2255 cc.has_function('rbd_namespace_exists',
2257 prefix: '#include <rbd/librbd.h>'))
2260 config_host_data.set('HAVE_IBV_ADVISE_MR',
2261 cc.has_function('ibv_advise_mr',
2263 prefix: '#include <infiniband/verbs.h>'))
2266 have_asan_fiber = false
2267 if get_option('sanitizers') and \
2268 not cc.has_function('__sanitizer_start_switch_fiber',
2269 args: '-fsanitize=address',
2270 prefix: '#include <sanitizer/asan_interface.h>')
2271 warning('Missing ASAN due to missing fiber annotation interface')
2272 warning('Without code annotation, the report may be inferior.')
2274 have_asan_fiber = true
2276 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2279 config_host_data.set('CONFIG_BLKZONED',
2280 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2281 config_host_data.set('CONFIG_EPOLL_CREATE1',
2282 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2283 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2284 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2285 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2286 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2288 config_host_data.set('CONFIG_FIEMAP',
2289 cc.has_header('linux/fiemap.h') and
2290 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2291 config_host_data.set('CONFIG_GETRANDOM',
2292 cc.has_function('getrandom') and
2293 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2294 config_host_data.set('CONFIG_INOTIFY',
2295 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2296 config_host_data.set('CONFIG_INOTIFY1',
2297 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2298 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2299 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2300 config_host_data.set('CONFIG_RTNETLINK',
2301 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2302 config_host_data.set('CONFIG_SYSMACROS',
2303 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2304 config_host_data.set('HAVE_OPTRESET',
2305 cc.has_header_symbol('getopt.h', 'optreset'))
2306 config_host_data.set('HAVE_IPPROTO_MPTCP',
2307 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2310 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2311 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2312 prefix: '#include <signal.h>'))
2313 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2314 cc.has_member('struct stat', 'st_atim',
2315 prefix: '#include <sys/stat.h>'))
2316 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2317 cc.has_member('struct blk_zone', 'capacity',
2318 prefix: '#include <linux/blkzoned.h>'))
2321 config_host_data.set('CONFIG_IOVEC',
2322 cc.has_type('struct iovec',
2323 prefix: '#include <sys/uio.h>'))
2324 config_host_data.set('HAVE_UTMPX',
2325 cc.has_type('struct utmpx',
2326 prefix: '#include <utmpx.h>'))
2328 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2329 #include <sys/eventfd.h>
2330 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2331 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2334 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2335 return fdatasync(0);
2337 #error Not supported
2341 has_madvise = cc.links(gnu_source_prefix + '''
2342 #include <sys/types.h>
2343 #include <sys/mman.h>
2345 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2346 missing_madvise_proto = false
2348 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2349 # but forget to prototype it. In this case, has_madvise will be true (the
2350 # test program links despite a compile warning). To detect the
2351 # missing-prototype case, we try again with a definitely-bogus prototype.
2352 # This will only compile if the system headers don't provide the prototype;
2353 # otherwise the conflicting prototypes will cause a compiler error.
2354 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2355 #include <sys/types.h>
2356 #include <sys/mman.h>
2358 extern int madvise(int);
2359 int main(void) { return madvise(0); }''')
2361 config_host_data.set('CONFIG_MADVISE', has_madvise)
2362 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2364 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2365 #include <sys/mman.h>
2366 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2367 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2369 #if !defined(AT_EMPTY_PATH)
2370 # error missing definition
2372 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2374 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2375 #include <sys/mman.h>
2377 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2379 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2380 #include <pthread.h>
2382 static void *f(void *p) { return NULL; }
2386 pthread_create(&thread, 0, f, 0);
2387 pthread_setname_np(thread, "QEMU");
2389 }''', dependencies: threads))
2390 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2391 #include <pthread.h>
2393 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2397 pthread_create(&thread, 0, f, 0);
2399 }''', dependencies: threads))
2400 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2401 #include <pthread.h>
2402 #include <pthread_np.h>
2404 static void *f(void *p) { return NULL; }
2408 pthread_create(&thread, 0, f, 0);
2409 pthread_set_name_np(thread, "QEMU");
2411 }''', dependencies: threads))
2412 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2413 #include <pthread.h>
2418 pthread_condattr_t attr
2419 pthread_condattr_init(&attr);
2420 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2422 }''', dependencies: threads))
2423 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2424 #include <pthread.h>
2426 static void *f(void *p) { return NULL; }
2429 int setsize = CPU_ALLOC_SIZE(64);
2432 pthread_create(&thread, 0, f, 0);
2433 cpuset = CPU_ALLOC(64);
2434 CPU_ZERO_S(setsize, cpuset);
2435 pthread_setaffinity_np(thread, setsize, cpuset);
2436 pthread_getaffinity_np(thread, setsize, cpuset);
2439 }''', dependencies: threads))
2440 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2441 #include <sys/signalfd.h>
2443 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2444 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2452 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2453 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2457 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2458 #include <sys/mman.h>
2460 return mlockall(MCL_FUTURE);
2464 if get_option('l2tpv3').allowed() and have_system
2465 have_l2tpv3 = cc.has_type('struct mmsghdr',
2466 prefix: gnu_source_prefix + '''
2467 #include <sys/socket.h>
2468 #include <linux/ip.h>''')
2470 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2473 if get_option('netmap').allowed() and have_system
2474 have_netmap = cc.compiles('''
2475 #include <inttypes.h>
2477 #include <net/netmap.h>
2478 #include <net/netmap_user.h>
2479 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2482 int main(void) { return 0; }''')
2483 if not have_netmap and get_option('netmap').enabled()
2484 error('Netmap headers not available')
2487 config_host_data.set('CONFIG_NETMAP', have_netmap)
2489 # Work around a system header bug with some kernel/XFS header
2490 # versions where they both try to define 'struct fsxattr':
2491 # xfs headers will not try to redefine structs from linux headers
2492 # if this macro is set.
2493 config_host_data.set('HAVE_FSXATTR', cc.links('''
2494 #include <linux/fs.h>
2500 # Some versions of Mac OS X incorrectly define SIZE_MAX
2501 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2505 return printf("%zu", SIZE_MAX);
2506 }''', args: ['-Werror']))
2508 # See if 64-bit atomic operations are supported.
2509 # Note that without __atomic builtins, we can only
2510 # assume atomic loads/stores max at pointer size.
2511 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2515 uint64_t x = 0, y = 0;
2516 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2517 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2518 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2519 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2520 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2524 has_int128_type = cc.compiles('''
2527 int main(void) { b = a; }''')
2528 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2530 has_int128 = has_int128_type and cc.links('''
2539 config_host_data.set('CONFIG_INT128', has_int128)
2542 # "do we have 128-bit atomics which are handled inline and specifically not
2543 # via libatomic". The reason we can't use libatomic is documented in the
2544 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2545 # We only care about these operations on 16-byte aligned pointers, so
2546 # force 16-byte alignment of the pointer, which may be greater than
2547 # __alignof(unsigned __int128) for the host.
2548 atomic_test_128 = '''
2549 int main(int ac, char **av) {
2550 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2551 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2552 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2553 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2556 has_atomic128 = cc.links(atomic_test_128)
2558 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2560 if not has_atomic128
2561 # Even with __builtin_assume_aligned, the above test may have failed
2562 # without optimization enabled. Try again with optimizations locally
2563 # enabled for the function. See
2564 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2565 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2566 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2568 if not has_atomic128_opt
2569 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2572 __uint128_t x = 0, y = 0;
2573 __sync_val_compare_and_swap_16(&x, y, x);
2581 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2582 #include <sys/auxv.h>
2584 return getauxval(AT_HWCAP) == 0;
2587 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2588 #include <linux/usbdevice_fs.h>
2590 #ifndef USBDEVFS_GET_CAPABILITIES
2591 #error "USBDEVFS_GET_CAPABILITIES undefined"
2594 #ifndef USBDEVFS_DISCONNECT_CLAIM
2595 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2598 int main(void) { return 0; }'''))
2600 have_keyring = get_option('keyring') \
2601 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2602 .require(cc.compiles('''
2604 #include <asm/unistd.h>
2605 #include <linux/keyctl.h>
2606 #include <sys/syscall.h>
2609 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2610 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2611 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2613 have_cpuid_h = cc.links('''
2616 unsigned a, b, c, d;
2617 unsigned max = __get_cpuid_max(0, 0);
2620 __cpuid(1, a, b, c, d);
2624 __cpuid_count(7, 0, a, b, c, d);
2629 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2631 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2632 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2633 .require(cc.links('''
2635 #include <immintrin.h>
2636 static int __attribute__((target("avx2"))) bar(void *a) {
2637 __m256i x = *(__m256i *)a;
2638 return _mm256_testz_si256(x, x);
2640 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2641 '''), error_message: 'AVX2 not available').allowed())
2643 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2644 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2645 .require(cc.links('''
2647 #include <immintrin.h>
2648 static int __attribute__((target("avx512f"))) bar(void *a) {
2649 __m512i x = *(__m512i *)a;
2650 return _mm512_test_epi64_mask(x, x);
2652 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2653 '''), error_message: 'AVX512F not available').allowed())
2655 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2656 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2657 .require(cc.links('''
2659 #include <immintrin.h>
2660 static int __attribute__((target("avx512bw"))) bar(void *a) {
2662 __m512i res= _mm512_abs_epi8(*x);
2665 int main(int argc, char *argv[]) { return bar(argv[0]); }
2666 '''), error_message: 'AVX512BW not available').allowed())
2668 have_pvrdma = get_option('pvrdma') \
2669 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2670 .require(cc.compiles(gnu_source_prefix + '''
2671 #include <sys/mman.h>
2676 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2679 }'''), error_message: 'PVRDMA requires mremap').allowed()
2682 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2683 #include <infiniband/verbs.h>
2687 struct ibv_pd *pd = NULL;
2693 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2699 if get_option('membarrier').disabled()
2700 have_membarrier = false
2701 elif targetos == 'windows'
2702 have_membarrier = true
2703 elif targetos == 'linux'
2704 have_membarrier = cc.compiles('''
2705 #include <linux/membarrier.h>
2706 #include <sys/syscall.h>
2710 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2711 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2715 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2716 .require(have_membarrier, error_message: 'membarrier system call not available') \
2719 have_afalg = get_option('crypto_afalg') \
2720 .require(cc.compiles(gnu_source_prefix + '''
2722 #include <sys/types.h>
2723 #include <sys/socket.h>
2724 #include <linux/if_alg.h>
2727 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2730 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2731 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2733 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2734 'linux/vm_sockets.h', 'AF_VSOCK',
2735 prefix: '#include <sys/socket.h>',
2739 have_vss_sdk = false # old xp/2003 SDK
2740 if targetos == 'windows' and 'cpp' in all_languages
2741 have_vss = cxx.compiles('''
2742 #define __MIDL_user_allocate_free_DEFINED__
2744 int main(void) { return VSS_CTX_BACKUP; }''')
2745 have_vss_sdk = cxx.has_header('vscoordint.h')
2747 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2749 foreach k, v: config_host
2750 if k.startswith('CONFIG_')
2751 config_host_data.set(k, v == 'y' ? 1 : v)
2755 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2756 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2757 if targetos == 'windows'
2758 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2764 }''', name: '_lock_file and _unlock_file'))
2767 if targetos == 'windows'
2768 mingw_has_setjmp_longjmp = cc.links('''
2772 * These functions are not available in setjmp header, but may be
2773 * available at link time, from libmingwex.a.
2775 extern int __mingw_setjmp(jmp_buf);
2776 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2778 __mingw_setjmp(env);
2779 __mingw_longjmp(env, 0);
2781 ''', name: 'mingw setjmp and longjmp')
2783 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2784 error('mingw must provide setjmp/longjmp for windows-arm64')
2788 ########################
2789 # Target configuration #
2790 ########################
2792 minikconf = find_program('scripts/minikconf.py')
2794 config_all_devices = {}
2795 config_all_disas = {}
2796 config_devices_mak_list = []
2797 config_devices_h = {}
2798 config_target_h = {}
2799 config_target_mak = {}
2802 'alpha' : ['CONFIG_ALPHA_DIS'],
2803 'avr' : ['CONFIG_AVR_DIS'],
2804 'cris' : ['CONFIG_CRIS_DIS'],
2805 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2806 'hppa' : ['CONFIG_HPPA_DIS'],
2807 'i386' : ['CONFIG_I386_DIS'],
2808 'x86_64' : ['CONFIG_I386_DIS'],
2809 'm68k' : ['CONFIG_M68K_DIS'],
2810 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2811 'mips' : ['CONFIG_MIPS_DIS'],
2812 'nios2' : ['CONFIG_NIOS2_DIS'],
2813 'or1k' : ['CONFIG_OPENRISC_DIS'],
2814 'ppc' : ['CONFIG_PPC_DIS'],
2815 'riscv' : ['CONFIG_RISCV_DIS'],
2816 'rx' : ['CONFIG_RX_DIS'],
2817 's390' : ['CONFIG_S390_DIS'],
2818 'sh4' : ['CONFIG_SH4_DIS'],
2819 'sparc' : ['CONFIG_SPARC_DIS'],
2820 'xtensa' : ['CONFIG_XTENSA_DIS'],
2821 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2824 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2826 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2827 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2828 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2829 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2830 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2831 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2832 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2833 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2834 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2835 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2836 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2837 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2838 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2839 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2841 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2843 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2844 actual_target_dirs = []
2846 foreach target : target_dirs
2847 config_target = { 'TARGET_NAME': target.split('-')[0] }
2848 if target.endswith('linux-user')
2849 if targetos != 'linux'
2853 error('Target @0@ is only available on a Linux host'.format(target))
2855 config_target += { 'CONFIG_LINUX_USER': 'y' }
2856 elif target.endswith('bsd-user')
2857 if 'CONFIG_BSD' not in config_host
2861 error('Target @0@ is only available on a BSD host'.format(target))
2863 config_target += { 'CONFIG_BSD_USER': 'y' }
2864 elif target.endswith('softmmu')
2865 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2866 config_target += { 'CONFIG_SOFTMMU': 'y' }
2868 if target.endswith('-user')
2870 'CONFIG_USER_ONLY': 'y',
2871 'CONFIG_QEMU_INTERP_PREFIX':
2872 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2877 foreach sym: accelerators
2878 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2879 config_target += { sym: 'y' }
2880 config_all += { sym: 'y' }
2881 if target in modular_tcg
2882 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2884 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2886 accel_kconfig += [ sym + '=y' ]
2889 if accel_kconfig.length() == 0
2893 error('No accelerator available for target @0@'.format(target))
2896 actual_target_dirs += target
2897 config_target += keyval.load('configs/targets' / target + '.mak')
2898 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2900 if 'TARGET_NEED_FDT' in config_target
2901 fdt_required += target
2905 if 'TARGET_BASE_ARCH' not in config_target
2906 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2908 if 'TARGET_ABI_DIR' not in config_target
2909 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2911 if 'TARGET_BIG_ENDIAN' not in config_target
2912 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2915 foreach k, v: disassemblers
2916 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2918 config_target += { sym: 'y' }
2919 config_all_disas += { sym: 'y' }
2924 config_target_data = configuration_data()
2925 foreach k, v: config_target
2926 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2928 elif ignored.contains(k)
2930 elif k == 'TARGET_BASE_ARCH'
2931 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2932 # not used to select files from sourcesets.
2933 config_target_data.set('TARGET_' + v.to_upper(), 1)
2934 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2935 config_target_data.set_quoted(k, v)
2937 config_target_data.set(k, 1)
2939 config_target_data.set(k, 0)
2941 config_target_data.set(k, v)
2944 config_target_data.set('QEMU_ARCH',
2945 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2946 config_target_h += {target: configure_file(output: target + '-config-target.h',
2947 configuration: config_target_data)}
2949 if target.endswith('-softmmu')
2950 config_input = meson.get_external_property(target, 'default')
2951 config_devices_mak = target + '-config-devices.mak'
2952 config_devices_mak = configure_file(
2953 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2954 output: config_devices_mak,
2955 depfile: config_devices_mak + '.d',
2957 command: [minikconf,
2958 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2959 config_devices_mak, '@DEPFILE@', '@INPUT@',
2960 host_kconfig, accel_kconfig,
2961 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2963 config_devices_data = configuration_data()
2964 config_devices = keyval.load(config_devices_mak)
2965 foreach k, v: config_devices
2966 config_devices_data.set(k, 1)
2968 config_devices_mak_list += config_devices_mak
2969 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2970 configuration: config_devices_data)}
2971 config_target += config_devices
2972 config_all_devices += config_devices
2974 config_target_mak += {target: config_target}
2976 target_dirs = actual_target_dirs
2978 # This configuration is used to build files that are shared by
2979 # multiple binaries, and then extracted out of the "common"
2980 # static_library target.
2982 # We do not use all_sources()/all_dependencies(), because it would
2983 # build literally all source files, including devices only used by
2984 # targets that are not built for this compilation. The CONFIG_ALL
2985 # pseudo symbol replaces it.
2987 config_all += config_all_devices
2988 config_all += config_host
2989 config_all += config_all_disas
2991 'CONFIG_XEN': xen.found(),
2992 'CONFIG_SYSTEM_ONLY': have_system,
2993 'CONFIG_USER_ONLY': have_user,
2997 target_configs_h = []
2998 foreach target: target_dirs
2999 target_configs_h += config_target_h[target]
3000 target_configs_h += config_devices_h.get(target, [])
3002 genh += custom_target('config-poison.h',
3003 input: [target_configs_h],
3004 output: 'config-poison.h',
3006 command: [find_program('scripts/make-config-poison.sh'),
3013 capstone = not_found
3014 if not get_option('capstone').auto() or have_system or have_user
3015 capstone = dependency('capstone', version: '>=3.0.5',
3016 method: 'pkg-config',
3017 required: get_option('capstone'))
3019 # Some versions of capstone have broken pkg-config file
3020 # that reports a wrong -I path, causing the #include to
3021 # fail later. If the system has such a broken version
3023 if capstone.found() and not cc.compiles('#include <capstone.h>',
3024 dependencies: [capstone])
3025 capstone = not_found
3026 if get_option('capstone').enabled()
3027 error('capstone requested, but it does not appear to work')
3032 libvfio_user_dep = not_found
3033 if have_system and vfio_user_server_allowed
3034 libvfio_user_proj = subproject('libvfio-user', required: true)
3035 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3039 fdt_opt = get_option('fdt')
3040 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3041 if fdt_opt == 'disabled'
3042 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3045 if fdt_opt in ['enabled', 'auto', 'system']
3046 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3047 if fdt.found() and cc.links('''
3049 #include <libfdt_env.h>
3050 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3053 elif fdt_opt == 'system'
3054 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3056 fdt_opt = 'internal'
3061 assert(fdt_opt == 'internal')
3062 libfdt_proj = subproject('dtc', required: true,
3063 default_options: ['tools=false', 'yaml=disabled',
3064 'python=disabled', 'default_library=static'])
3065 fdt = libfdt_proj.get_variable('libfdt_dep')
3068 fdt_opt = 'disabled'
3071 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3072 config_host_data.set('CONFIG_FDT', fdt.found())
3073 config_host_data.set('CONFIG_SLIRP', slirp.found())
3075 #####################
3076 # Generated sources #
3077 #####################
3079 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3081 hxtool = find_program('scripts/hxtool')
3082 shaderinclude = find_program('scripts/shaderinclude.py')
3083 qapi_gen = find_program('scripts/qapi-gen.py')
3084 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3085 meson.current_source_dir() / 'scripts/qapi/commands.py',
3086 meson.current_source_dir() / 'scripts/qapi/common.py',
3087 meson.current_source_dir() / 'scripts/qapi/error.py',
3088 meson.current_source_dir() / 'scripts/qapi/events.py',
3089 meson.current_source_dir() / 'scripts/qapi/expr.py',
3090 meson.current_source_dir() / 'scripts/qapi/gen.py',
3091 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3092 meson.current_source_dir() / 'scripts/qapi/main.py',
3093 meson.current_source_dir() / 'scripts/qapi/parser.py',
3094 meson.current_source_dir() / 'scripts/qapi/schema.py',
3095 meson.current_source_dir() / 'scripts/qapi/source.py',
3096 meson.current_source_dir() / 'scripts/qapi/types.py',
3097 meson.current_source_dir() / 'scripts/qapi/visit.py',
3098 meson.current_source_dir() / 'scripts/qapi-gen.py'
3102 python, files('scripts/tracetool.py'),
3103 '--backend=' + ','.join(get_option('trace_backends'))
3105 tracetool_depends = files(
3106 'scripts/tracetool/backend/log.py',
3107 'scripts/tracetool/backend/__init__.py',
3108 'scripts/tracetool/backend/dtrace.py',
3109 'scripts/tracetool/backend/ftrace.py',
3110 'scripts/tracetool/backend/simple.py',
3111 'scripts/tracetool/backend/syslog.py',
3112 'scripts/tracetool/backend/ust.py',
3113 'scripts/tracetool/format/ust_events_c.py',
3114 'scripts/tracetool/format/ust_events_h.py',
3115 'scripts/tracetool/format/__init__.py',
3116 'scripts/tracetool/format/d.py',
3117 'scripts/tracetool/format/simpletrace_stap.py',
3118 'scripts/tracetool/format/c.py',
3119 'scripts/tracetool/format/h.py',
3120 'scripts/tracetool/format/log_stap.py',
3121 'scripts/tracetool/format/stap.py',
3122 'scripts/tracetool/__init__.py',
3123 'scripts/tracetool/vcpu.py'
3126 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3127 meson.current_source_dir(),
3128 get_option('pkgversion'), meson.project_version()]
3129 qemu_version = custom_target('qemu-version.h',
3130 output: 'qemu-version.h',
3131 command: qemu_version_cmd,
3133 build_by_default: true,
3134 build_always_stale: true)
3135 genh += qemu_version
3139 ['qemu-options.hx', 'qemu-options.def'],
3140 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3144 ['hmp-commands.hx', 'hmp-commands.h'],
3145 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3148 foreach d : hx_headers
3149 hxdep += custom_target(d[1],
3153 build_by_default: true, # to be removed when added to a target
3154 command: [hxtool, '-h', '@INPUT0@'])
3162 authz_ss = ss.source_set()
3163 blockdev_ss = ss.source_set()
3164 block_ss = ss.source_set()
3165 chardev_ss = ss.source_set()
3166 common_ss = ss.source_set()
3167 crypto_ss = ss.source_set()
3168 hwcore_ss = ss.source_set()
3169 io_ss = ss.source_set()
3170 qmp_ss = ss.source_set()
3171 qom_ss = ss.source_set()
3172 system_ss = ss.source_set()
3173 specific_fuzz_ss = ss.source_set()
3174 specific_ss = ss.source_set()
3175 stub_ss = ss.source_set()
3176 trace_ss = ss.source_set()
3177 user_ss = ss.source_set()
3178 util_ss = ss.source_set()
3181 qtest_module_ss = ss.source_set()
3182 tcg_module_ss = ss.source_set()
3188 target_softmmu_arch = {}
3189 target_user_arch = {}
3195 # TODO: add each directory to the subdirs from its own meson.build, once
3197 trace_events_subdirs = [
3206 trace_events_subdirs += [ 'linux-user' ]
3209 trace_events_subdirs += [ 'bsd-user' ]
3212 trace_events_subdirs += [
3221 trace_events_subdirs += [
3235 'hw/block/dataplane',
3285 if have_system or have_user
3286 trace_events_subdirs += [
3304 vhost_user = not_found
3305 if targetos == 'linux' and have_vhost_user
3306 libvhost_user = subproject('libvhost-user')
3307 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3310 libvduse = not_found
3312 libvduse_proj = subproject('libvduse')
3313 libvduse = libvduse_proj.get_variable('libvduse_dep')
3316 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3317 # that is filled in by qapi/.
3331 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3332 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3335 qom_ss = qom_ss.apply(config_host, strict: false)
3336 libqom = static_library('qom', qom_ss.sources() + genh,
3337 dependencies: [qom_ss.dependencies()],
3339 qom = declare_dependency(link_whole: libqom)
3341 event_loop_base = files('event-loop-base.c')
3342 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3343 build_by_default: true)
3344 event_loop_base = declare_dependency(link_whole: event_loop_base,
3345 dependencies: [qom])
3347 stub_ss = stub_ss.apply(config_all, strict: false)
3349 util_ss.add_all(trace_ss)
3350 util_ss = util_ss.apply(config_all, strict: false)
3351 libqemuutil = static_library('qemuutil',
3352 sources: util_ss.sources() + stub_ss.sources() + genh,
3353 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3354 qemuutil = declare_dependency(link_with: libqemuutil,
3355 sources: genh + version_res,
3356 dependencies: [event_loop_base])
3358 if have_system or have_user
3359 decodetree = generator(find_program('scripts/decodetree.py'),
3360 output: 'decode-@BASENAME@.c.inc',
3361 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3362 subdir('libdecnumber')
3379 if config_host_data.get('CONFIG_REPLICATION')
3380 block_ss.add(files('replication.c'))
3387 blockdev_ss.add(files(
3394 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3395 # os-win32.c does not
3396 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3397 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3400 common_ss.add(files('cpus-common.c'))
3401 specific_ss.add(files('cpu.c'))
3405 # Work around a gcc bug/misfeature wherein constant propagation looks
3407 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3408 # to guess that a const variable is always zero. Without lto, this is
3409 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3410 # without lto, not even the alias is required -- we simply use different
3411 # declarations in different compilation units.
3412 pagevary = files('page-vary-common.c')
3413 if get_option('b_lto')
3414 pagevary_flags = ['-fno-lto']
3415 if get_option('cfi')
3416 pagevary_flags += '-fno-sanitize=cfi-icall'
3418 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3419 c_args: pagevary_flags)
3420 pagevary = declare_dependency(link_with: pagevary)
3422 common_ss.add(pagevary)
3423 specific_ss.add(files('page-vary.c'))
3431 subdir('semihosting')
3439 common_user_inc = []
3441 subdir('common-user')
3443 subdir('linux-user')
3445 # needed for fuzzing binaries
3446 subdir('tests/qtest/libqos')
3447 subdir('tests/qtest/fuzz')
3450 tcg_real_module_ss = ss.source_set()
3451 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3452 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3453 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3454 'tcg': tcg_real_module_ss }}
3456 ########################
3457 # Library dependencies #
3458 ########################
3460 modinfo_collect = find_program('scripts/modinfo-collect.py')
3461 modinfo_generate = find_program('scripts/modinfo-generate.py')
3466 foreach d, list : modules
3467 if not (d == 'block' ? have_block : have_system)
3471 foreach m, module_ss : list
3473 module_ss = module_ss.apply(config_all, strict: false)
3474 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3475 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3481 if module_ss.sources() != []
3482 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3483 # input. Sources can be used multiple times but objects are
3484 # unique when it comes to lookup in compile_commands.json.
3485 # Depnds on a mesion version with
3486 # https://github.com/mesonbuild/meson/pull/8900
3487 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3488 output: d + '-' + m + '.modinfo',
3489 input: module_ss.sources() + genh,
3491 command: [modinfo_collect, module_ss.sources()])
3495 block_ss.add_all(module_ss)
3497 system_ss.add_all(module_ss)
3503 foreach d, list : target_modules
3504 foreach m, module_ss : list
3506 foreach target : target_dirs
3507 if target.endswith('-softmmu')
3508 config_target = config_target_mak[target]
3509 config_target += config_host
3510 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3511 c_args = ['-DNEED_CPU_H',
3512 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3513 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3514 target_module_ss = module_ss.apply(config_target, strict: false)
3515 if target_module_ss.sources() != []
3516 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3517 sl = static_library(module_name,
3518 [genh, target_module_ss.sources()],
3519 dependencies: [modulecommon, target_module_ss.dependencies()],
3520 include_directories: target_inc,
3524 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3525 modinfo_files += custom_target(module_name + '.modinfo',
3526 output: module_name + '.modinfo',
3527 input: target_module_ss.sources() + genh,
3529 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3534 specific_ss.add_all(module_ss)
3540 foreach target : target_dirs
3541 if target.endswith('-softmmu')
3542 config_target = config_target_mak[target]
3543 config_devices_mak = target + '-config-devices.mak'
3544 modinfo_src = custom_target('modinfo-' + target + '.c',
3545 output: 'modinfo-' + target + '.c',
3546 input: modinfo_files,
3547 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3550 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3551 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3553 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3554 hw_arch[arch].add(modinfo_dep)
3559 nm = find_program('nm')
3560 undefsym = find_program('scripts/undefsym.py')
3561 block_syms = custom_target('block.syms', output: 'block.syms',
3562 input: [libqemuutil, block_mods],
3564 command: [undefsym, nm, '@INPUT@'])
3565 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3566 input: [libqemuutil, softmmu_mods],
3568 command: [undefsym, nm, '@INPUT@'])
3570 authz_ss = authz_ss.apply(config_host, strict: false)
3571 libauthz = static_library('authz', authz_ss.sources() + genh,
3572 dependencies: [authz_ss.dependencies()],
3574 build_by_default: false)
3576 authz = declare_dependency(link_whole: libauthz,
3579 crypto_ss = crypto_ss.apply(config_host, strict: false)
3580 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3581 dependencies: [crypto_ss.dependencies()],
3583 build_by_default: false)
3585 crypto = declare_dependency(link_whole: libcrypto,
3586 dependencies: [authz, qom])
3588 io_ss = io_ss.apply(config_host, strict: false)
3589 libio = static_library('io', io_ss.sources() + genh,
3590 dependencies: [io_ss.dependencies()],
3591 link_with: libqemuutil,
3593 build_by_default: false)
3595 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3597 libmigration = static_library('migration', sources: migration_files + genh,
3599 build_by_default: false)
3600 migration = declare_dependency(link_with: libmigration,
3601 dependencies: [zlib, qom, io])
3602 system_ss.add(migration)
3604 block_ss = block_ss.apply(config_host, strict: false)
3605 libblock = static_library('block', block_ss.sources() + genh,
3606 dependencies: block_ss.dependencies(),
3607 link_depends: block_syms,
3609 build_by_default: false)
3611 block = declare_dependency(link_whole: [libblock],
3612 link_args: '@block.syms',
3613 dependencies: [crypto, io])
3615 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3616 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3617 dependencies: blockdev_ss.dependencies(),
3619 build_by_default: false)
3621 blockdev = declare_dependency(link_whole: [libblockdev],
3622 dependencies: [block, event_loop_base])
3624 qmp_ss = qmp_ss.apply(config_host, strict: false)
3625 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3626 dependencies: qmp_ss.dependencies(),
3628 build_by_default: false)
3630 qmp = declare_dependency(link_whole: [libqmp])
3632 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3634 dependencies: chardev_ss.dependencies(),
3635 build_by_default: false)
3637 chardev = declare_dependency(link_whole: libchardev)
3639 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3640 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3642 build_by_default: false)
3643 hwcore = declare_dependency(link_whole: libhwcore)
3644 common_ss.add(hwcore)
3650 emulator_modules = []
3651 foreach m : block_mods + softmmu_mods
3652 emulator_modules += shared_module(m.name(),
3653 build_by_default: true,
3657 install_dir: qemu_moddir)
3659 if emulator_modules.length() > 0
3660 alias_target('modules', emulator_modules)
3663 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3664 common_ss.add(qom, qemuutil)
3666 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3667 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3669 common_all = common_ss.apply(config_all, strict: false)
3670 common_all = static_library('common',
3671 build_by_default: false,
3672 sources: common_all.sources() + genh,
3673 include_directories: common_user_inc,
3674 implicit_include_directories: false,
3675 dependencies: common_all.dependencies(),
3678 feature_to_c = find_program('scripts/feature_to_c.sh')
3680 if targetos == 'darwin'
3681 entitlement = find_program('scripts/entitlement.sh')
3685 foreach target : target_dirs
3686 config_target = config_target_mak[target]
3687 target_name = config_target['TARGET_NAME']
3688 target_base_arch = config_target['TARGET_BASE_ARCH']
3689 arch_srcs = [config_target_h[target]]
3691 c_args = ['-DNEED_CPU_H',
3692 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3693 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3694 link_args = emulator_link_args
3696 config_target += config_host
3697 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3698 if targetos == 'linux'
3699 target_inc += include_directories('linux-headers', is_system: true)
3701 if target.endswith('-softmmu')
3702 target_type='system'
3703 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3704 arch_srcs += t.sources()
3705 arch_deps += t.dependencies()
3707 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3708 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3709 arch_srcs += hw.sources()
3710 arch_deps += hw.dependencies()
3712 arch_srcs += config_devices_h[target]
3713 link_args += ['@block.syms', '@qemu.syms']
3715 abi = config_target['TARGET_ABI_DIR']
3717 target_inc += common_user_inc
3718 if target_base_arch in target_user_arch
3719 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3720 arch_srcs += t.sources()
3721 arch_deps += t.dependencies()
3723 if 'CONFIG_LINUX_USER' in config_target
3724 base_dir = 'linux-user'
3726 if 'CONFIG_BSD_USER' in config_target
3727 base_dir = 'bsd-user'
3728 target_inc += include_directories('bsd-user/' / targetos)
3729 target_inc += include_directories('bsd-user/host/' / host_arch)
3730 dir = base_dir / abi
3731 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3733 target_inc += include_directories(
3737 if 'CONFIG_LINUX_USER' in config_target
3738 dir = base_dir / abi
3739 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3740 if config_target.has_key('TARGET_SYSTBL_ABI')
3742 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3743 extra_args : config_target['TARGET_SYSTBL_ABI'])
3748 if 'TARGET_XML_FILES' in config_target
3749 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3750 output: target + '-gdbstub-xml.c',
3751 input: files(config_target['TARGET_XML_FILES'].split()),
3752 command: [feature_to_c, '@INPUT@'],
3754 arch_srcs += gdbstub_xml
3757 t = target_arch[target_base_arch].apply(config_target, strict: false)
3758 arch_srcs += t.sources()
3759 arch_deps += t.dependencies()
3761 target_common = common_ss.apply(config_target, strict: false)
3762 objects = common_all.extract_objects(target_common.sources())
3763 deps = target_common.dependencies()
3765 target_specific = specific_ss.apply(config_target, strict: false)
3766 arch_srcs += target_specific.sources()
3767 arch_deps += target_specific.dependencies()
3769 lib = static_library('qemu-' + target,
3770 sources: arch_srcs + genh,
3771 dependencies: arch_deps,
3773 include_directories: target_inc,
3775 build_by_default: false,
3778 if target.endswith('-softmmu')
3780 'name': 'qemu-system-' + target_name,
3781 'win_subsystem': 'console',
3782 'sources': files('softmmu/main.c'),
3785 if targetos == 'windows' and (sdl.found() or gtk.found())
3787 'name': 'qemu-system-' + target_name + 'w',
3788 'win_subsystem': 'windows',
3789 'sources': files('softmmu/main.c'),
3793 if get_option('fuzzing')
3794 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3796 'name': 'qemu-fuzz-' + target_name,
3797 'win_subsystem': 'console',
3798 'sources': specific_fuzz.sources(),
3799 'dependencies': specific_fuzz.dependencies(),
3804 'name': 'qemu-' + target_name,
3805 'win_subsystem': 'console',
3811 exe_name = exe['name']
3812 if targetos == 'darwin'
3813 exe_name += '-unsigned'
3816 emulator = executable(exe_name, exe['sources'],
3819 dependencies: arch_deps + deps + exe['dependencies'],
3820 objects: lib.extract_all_objects(recursive: true),
3821 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3822 link_args: link_args,
3823 win_subsystem: exe['win_subsystem'])
3825 if targetos == 'darwin'
3826 icon = 'pc-bios/qemu.rsrc'
3827 build_input = [emulator, files(icon)]
3829 get_option('bindir') / exe_name,
3830 meson.current_source_dir() / icon
3832 if 'CONFIG_HVF' in config_target
3833 entitlements = 'accel/hvf/entitlements.plist'
3834 build_input += files(entitlements)
3835 install_input += meson.current_source_dir() / entitlements
3838 emulators += {exe['name'] : custom_target(exe['name'],
3840 output: exe['name'],
3841 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3844 meson.add_install_script(entitlement, '--install',
3845 get_option('bindir') / exe['name'],
3848 emulators += {exe['name']: emulator}
3853 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3854 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3855 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3856 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3858 custom_target(exe['name'] + stp['ext'],
3859 input: trace_events_all,
3860 output: exe['name'] + stp['ext'],
3861 install: stp['install'],
3862 install_dir: get_option('datadir') / 'systemtap/tapset',
3864 tracetool, '--group=all', '--format=' + stp['fmt'],
3865 '--binary=' + stp['bin'],
3866 '--target-name=' + target_name,
3867 '--target-type=' + target_type,
3868 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3869 '@INPUT@', '@OUTPUT@'
3871 depend_files: tracetool_depends)
3877 # Other build targets
3879 if 'CONFIG_PLUGIN' in config_host
3880 install_headers('include/qemu/qemu-plugin.h')
3885 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3886 # when we don't build tools or system
3887 if xkbcommon.found()
3888 # used for the update-keymaps target, so include rules even if !have_tools
3889 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3890 dependencies: [qemuutil, xkbcommon], install: have_tools)
3894 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3895 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3896 qemu_io = executable('qemu-io', files('qemu-io.c'),
3897 dependencies: [block, qemuutil], install: true)
3898 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3899 dependencies: [blockdev, qemuutil, gnutls, selinux],
3902 subdir('storage-daemon')
3903 subdir('contrib/rdmacm-mux')
3904 subdir('contrib/elf2dmp')
3906 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3907 dependencies: qemuutil,
3911 subdir('contrib/vhost-user-blk')
3912 subdir('contrib/vhost-user-gpu')
3913 subdir('contrib/vhost-user-input')
3914 subdir('contrib/vhost-user-scsi')
3917 if targetos == 'linux'
3918 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3919 dependencies: [qemuutil, libcap_ng],
3921 install_dir: get_option('libexecdir'))
3923 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3924 dependencies: [authz, crypto, io, qom, qemuutil,
3925 libcap_ng, mpathpersist],
3930 subdir('contrib/ivshmem-client')
3931 subdir('contrib/ivshmem-server')
3944 if host_machine.system() == 'windows'
3946 find_program('scripts/nsis.py'),
3948 get_option('prefix'),
3949 meson.current_source_dir(),
3950 glib_pc.get_variable('bindir'),
3953 '-DDISPLAYVERSION=' + meson.project_version(),
3956 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3959 nsis_cmd += '-DCONFIG_GTK=y'
3962 nsis = custom_target('nsis',
3963 output: 'qemu-setup-' + meson.project_version() + '.exe',
3964 input: files('qemu.nsi'),
3965 build_always_stale: true,
3966 command: nsis_cmd + ['@INPUT@'])
3967 alias_target('installer', nsis)
3970 #########################
3971 # Configuration summary #
3972 #########################
3976 summary_info += {'Build directory': meson.current_build_dir()}
3977 summary_info += {'Source path': meson.current_source_dir()}
3978 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3979 summary(summary_info, bool_yn: true, section: 'Build environment')
3982 summary_info += {'Install prefix': get_option('prefix')}
3983 summary_info += {'BIOS directory': qemu_datadir}
3984 pathsep = targetos == 'windows' ? ';' : ':'
3985 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3986 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3987 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3988 summary_info += {'module directory': qemu_moddir}
3989 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3990 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3991 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3992 if targetos != 'windows'
3993 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3994 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3996 summary_info += {'local state directory': 'queried at runtime'}
3998 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3999 summary(summary_info, bool_yn: true, section: 'Directories')
4003 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4004 summary_info += {'sphinx-build': sphinx_build}
4005 if config_host.has_key('HAVE_GDB_BIN')
4006 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4008 summary_info += {'iasl': iasl}
4009 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4010 if targetos == 'windows' and have_ga
4011 summary_info += {'wixl': wixl}
4013 if slirp.found() and have_system
4014 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4016 summary(summary_info, bool_yn: true, section: 'Host binaries')
4018 # Configurable features
4020 summary_info += {'Documentation': build_docs}
4021 summary_info += {'system-mode emulation': have_system}
4022 summary_info += {'user-mode emulation': have_user}
4023 summary_info += {'block layer': have_block}
4024 summary_info += {'Install blobs': get_option('install_blobs')}
4025 summary_info += {'module support': enable_modules}
4027 summary_info += {'alternative module path': get_option('module_upgrades')}
4029 summary_info += {'fuzzing support': get_option('fuzzing')}
4031 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4033 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4034 if 'simple' in get_option('trace_backends')
4035 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4037 summary_info += {'D-Bus display': dbus_display}
4038 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4039 summary_info += {'vhost-kernel support': have_vhost_kernel}
4040 summary_info += {'vhost-net support': have_vhost_net}
4041 summary_info += {'vhost-user support': have_vhost_user}
4042 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4043 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4044 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4045 summary_info += {'build guest agent': have_ga}
4046 summary(summary_info, bool_yn: true, section: 'Configurable features')
4048 # Compilation information
4050 summary_info += {'host CPU': cpu}
4051 summary_info += {'host endianness': build_machine.endian()}
4052 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4053 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4054 if 'cpp' in all_languages
4055 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4057 summary_info += {'C++ compiler': false}
4059 if targetos == 'darwin'
4060 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4062 option_cflags = (get_option('debug') ? ['-g'] : [])
4063 if get_option('optimization') != 'plain'
4064 option_cflags += ['-O' + get_option('optimization')]
4066 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4067 if 'cpp' in all_languages
4068 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4070 if targetos == 'darwin'
4071 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4073 link_args = get_option('c_link_args')
4074 if link_args.length() > 0
4075 summary_info += {'LDFLAGS': ' '.join(link_args)}
4077 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4078 if 'cpp' in all_languages
4079 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4081 if 'objc' in all_languages
4082 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4084 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4085 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4086 summary_info += {'PIE': get_option('b_pie')}
4087 summary_info += {'static build': get_option('prefer_static')}
4088 summary_info += {'malloc trim support': has_malloc_trim}
4089 summary_info += {'membarrier': have_membarrier}
4090 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4091 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4092 summary_info += {'mutex debugging': get_option('debug_mutex')}
4093 summary_info += {'memory allocator': get_option('malloc')}
4094 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4095 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4096 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4097 if get_option('gprof')
4098 gprof_info = 'YES (deprecated)'
4100 gprof_info = get_option('gprof')
4102 summary_info += {'gprof': gprof_info}
4103 summary_info += {'gcov': get_option('b_coverage')}
4104 summary_info += {'thread sanitizer': get_option('tsan')}
4105 summary_info += {'CFI support': get_option('cfi')}
4106 if get_option('cfi')
4107 summary_info += {'CFI debug support': get_option('cfi_debug')}
4109 summary_info += {'strip binaries': get_option('strip')}
4110 summary_info += {'sparse': sparse}
4111 summary_info += {'mingw32 support': targetos == 'windows'}
4112 summary(summary_info, bool_yn: true, section: 'Compilation')
4114 # snarf the cross-compilation information for tests
4117 foreach target: target_dirs
4118 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4119 if fs.exists(tcg_mak)
4120 config_cross_tcg = keyval.load(tcg_mak)
4121 if 'CC' in config_cross_tcg
4122 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4128 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4131 # Targets and accelerators
4134 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4135 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4136 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4137 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4138 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4139 summary_info += {'Xen support': xen.found()}
4141 summary_info += {'xen ctrl version': xen.version()}
4143 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4145 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4146 if config_all.has_key('CONFIG_TCG')
4147 if get_option('tcg_interpreter')
4148 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4150 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4152 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4153 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4155 summary_info += {'target list': ' '.join(target_dirs)}
4157 summary_info += {'default devices': get_option('default_devices')}
4158 summary_info += {'out of process emulation': multiprocess_allowed}
4159 summary_info += {'vfio-user server': vfio_user_server_allowed}
4161 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4165 summary_info += {'coroutine backend': coroutine_backend}
4166 summary_info += {'coroutine pool': have_coroutine_pool}
4168 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4169 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4170 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4171 summary_info += {'VirtFS (9P) support': have_virtfs}
4172 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4173 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4174 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4175 summary_info += {'bochs support': get_option('bochs').allowed()}
4176 summary_info += {'cloop support': get_option('cloop').allowed()}
4177 summary_info += {'dmg support': get_option('dmg').allowed()}
4178 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4179 summary_info += {'vdi support': get_option('vdi').allowed()}
4180 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4181 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4182 summary_info += {'vpc support': get_option('vpc').allowed()}
4183 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4184 summary_info += {'qed support': get_option('qed').allowed()}
4185 summary_info += {'parallels support': get_option('parallels').allowed()}
4186 summary_info += {'FUSE exports': fuse}
4187 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4189 summary(summary_info, bool_yn: true, section: 'Block layer support')
4193 summary_info += {'TLS priority': get_option('tls_priority')}
4194 summary_info += {'GNUTLS support': gnutls}
4196 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4198 summary_info += {'libgcrypt': gcrypt}
4199 summary_info += {'nettle': nettle}
4201 summary_info += {' XTS': xts != 'private'}
4203 summary_info += {'AF_ALG support': have_afalg}
4204 summary_info += {'rng-none': get_option('rng_none')}
4205 summary_info += {'Linux keyring': have_keyring}
4206 summary(summary_info, bool_yn: true, section: 'Crypto')
4210 if targetos == 'darwin'
4211 summary_info += {'Cocoa support': cocoa}
4213 summary_info += {'SDL support': sdl}
4214 summary_info += {'SDL image support': sdl_image}
4215 summary_info += {'GTK support': gtk}
4216 summary_info += {'pixman': pixman}
4217 summary_info += {'VTE support': vte}
4218 summary_info += {'PNG support': png}
4219 summary_info += {'VNC support': vnc}
4221 summary_info += {'VNC SASL support': sasl}
4222 summary_info += {'VNC JPEG support': jpeg}
4224 summary_info += {'spice protocol support': spice_protocol}
4225 if spice_protocol.found()
4226 summary_info += {' spice server support': spice}
4228 summary_info += {'curses support': curses}
4229 summary_info += {'brlapi support': brlapi}
4230 summary(summary_info, bool_yn: true, section: 'User interface')
4234 if targetos not in ['darwin', 'haiku', 'windows']
4235 summary_info += {'OSS support': oss}
4236 summary_info += {'sndio support': sndio}
4237 elif targetos == 'darwin'
4238 summary_info += {'CoreAudio support': coreaudio}
4239 elif targetos == 'windows'
4240 summary_info += {'DirectSound support': dsound}
4242 if targetos == 'linux'
4243 summary_info += {'ALSA support': alsa}
4244 summary_info += {'PulseAudio support': pulse}
4246 summary_info += {'Pipewire support': pipewire}
4247 summary_info += {'JACK support': jack}
4248 summary(summary_info, bool_yn: true, section: 'Audio backends')
4252 if targetos == 'darwin'
4253 summary_info += {'vmnet.framework support': vmnet}
4255 summary_info += {'slirp support': slirp}
4256 summary_info += {'vde support': vde}
4257 summary_info += {'netmap support': have_netmap}
4258 summary_info += {'l2tpv3 support': have_l2tpv3}
4259 summary(summary_info, bool_yn: true, section: 'Network backends')
4263 summary_info += {'libtasn1': tasn1}
4264 summary_info += {'PAM': pam}
4265 summary_info += {'iconv support': iconv}
4266 summary_info += {'virgl support': virgl}
4267 summary_info += {'blkio support': blkio}
4268 summary_info += {'curl support': curl}
4269 summary_info += {'Multipath support': mpathpersist}
4270 summary_info += {'Linux AIO support': libaio}
4271 summary_info += {'Linux io_uring support': linux_io_uring}
4272 summary_info += {'ATTR/XATTR support': libattr}
4273 summary_info += {'RDMA support': rdma}
4274 summary_info += {'PVRDMA support': have_pvrdma}
4275 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4276 summary_info += {'libcap-ng support': libcap_ng}
4277 summary_info += {'bpf support': libbpf}
4278 summary_info += {'rbd support': rbd}
4279 summary_info += {'smartcard support': cacard}
4280 summary_info += {'U2F support': u2f}
4281 summary_info += {'libusb': libusb}
4282 summary_info += {'usb net redir': usbredir}
4283 summary_info += {'OpenGL support (epoxy)': opengl}
4284 summary_info += {'GBM': gbm}
4285 summary_info += {'libiscsi support': libiscsi}
4286 summary_info += {'libnfs support': libnfs}
4287 if targetos == 'windows'
4289 summary_info += {'QGA VSS support': have_qga_vss}
4292 summary_info += {'seccomp support': seccomp}
4293 summary_info += {'GlusterFS support': glusterfs}
4294 summary_info += {'TPM support': have_tpm}
4295 summary_info += {'libssh support': libssh}
4296 summary_info += {'lzo support': lzo}
4297 summary_info += {'snappy support': snappy}
4298 summary_info += {'bzip2 support': libbzip2}
4299 summary_info += {'lzfse support': liblzfse}
4300 summary_info += {'zstd support': zstd}
4301 summary_info += {'NUMA host support': numa}
4302 summary_info += {'capstone': capstone}
4303 summary_info += {'libpmem support': libpmem}
4304 summary_info += {'libdaxctl support': libdaxctl}
4305 summary_info += {'libudev': libudev}
4306 # Dummy dependency, keep .found()
4307 summary_info += {'FUSE lseek': fuse_lseek.found()}
4308 summary_info += {'selinux': selinux}
4309 summary_info += {'libdw': libdw}
4310 summary(summary_info, bool_yn: true, section: 'Dependencies')
4312 if not supported_cpus.contains(cpu)
4314 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4316 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4317 message('The QEMU project intends to remove support for this host CPU in')
4318 message('a future release if nobody volunteers to maintain it and to')
4319 message('provide a build host for our continuous integration setup.')
4320 message('configure has succeeded and you can continue to build, but')
4321 message('if you care about QEMU on this platform you should contact')
4322 message('us upstream at qemu-devel@nongnu.org.')
4325 if not supported_oses.contains(targetos)
4327 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4329 message('Host OS ' + targetos + 'support is not currently maintained.')
4330 message('The QEMU project intends to remove support for this host OS in')
4331 message('a future release if nobody volunteers to maintain it and to')
4332 message('provide a build host for our continuous integration setup.')
4333 message('configure has succeeded and you can continue to build, but')
4334 message('if you care about QEMU on this platform you should contact')
4335 message('us upstream at qemu-devel@nongnu.org.')