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 # For both AArch64 and AArch32, detect if builtins are available.
2669 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2670 #include <arm_neon.h>
2671 #ifndef __ARM_FEATURE_AES
2672 __attribute__((target("+crypto")))
2674 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2677 have_pvrdma = get_option('pvrdma') \
2678 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2679 .require(cc.compiles(gnu_source_prefix + '''
2680 #include <sys/mman.h>
2685 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2688 }'''), error_message: 'PVRDMA requires mremap').allowed()
2691 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2692 #include <infiniband/verbs.h>
2696 struct ibv_pd *pd = NULL;
2702 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2708 if get_option('membarrier').disabled()
2709 have_membarrier = false
2710 elif targetos == 'windows'
2711 have_membarrier = true
2712 elif targetos == 'linux'
2713 have_membarrier = cc.compiles('''
2714 #include <linux/membarrier.h>
2715 #include <sys/syscall.h>
2719 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2720 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2724 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2725 .require(have_membarrier, error_message: 'membarrier system call not available') \
2728 have_afalg = get_option('crypto_afalg') \
2729 .require(cc.compiles(gnu_source_prefix + '''
2731 #include <sys/types.h>
2732 #include <sys/socket.h>
2733 #include <linux/if_alg.h>
2736 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2739 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2740 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2742 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2743 'linux/vm_sockets.h', 'AF_VSOCK',
2744 prefix: '#include <sys/socket.h>',
2748 have_vss_sdk = false # old xp/2003 SDK
2749 if targetos == 'windows' and 'cpp' in all_languages
2750 have_vss = cxx.compiles('''
2751 #define __MIDL_user_allocate_free_DEFINED__
2753 int main(void) { return VSS_CTX_BACKUP; }''')
2754 have_vss_sdk = cxx.has_header('vscoordint.h')
2756 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2758 foreach k, v: config_host
2759 if k.startswith('CONFIG_')
2760 config_host_data.set(k, v == 'y' ? 1 : v)
2764 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2765 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2766 if targetos == 'windows'
2767 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2773 }''', name: '_lock_file and _unlock_file'))
2776 if targetos == 'windows'
2777 mingw_has_setjmp_longjmp = cc.links('''
2781 * These functions are not available in setjmp header, but may be
2782 * available at link time, from libmingwex.a.
2784 extern int __mingw_setjmp(jmp_buf);
2785 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2787 __mingw_setjmp(env);
2788 __mingw_longjmp(env, 0);
2790 ''', name: 'mingw setjmp and longjmp')
2792 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2793 error('mingw must provide setjmp/longjmp for windows-arm64')
2797 ########################
2798 # Target configuration #
2799 ########################
2801 minikconf = find_program('scripts/minikconf.py')
2803 config_all_devices = {}
2804 config_all_disas = {}
2805 config_devices_mak_list = []
2806 config_devices_h = {}
2807 config_target_h = {}
2808 config_target_mak = {}
2811 'alpha' : ['CONFIG_ALPHA_DIS'],
2812 'avr' : ['CONFIG_AVR_DIS'],
2813 'cris' : ['CONFIG_CRIS_DIS'],
2814 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2815 'hppa' : ['CONFIG_HPPA_DIS'],
2816 'i386' : ['CONFIG_I386_DIS'],
2817 'x86_64' : ['CONFIG_I386_DIS'],
2818 'm68k' : ['CONFIG_M68K_DIS'],
2819 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2820 'mips' : ['CONFIG_MIPS_DIS'],
2821 'nios2' : ['CONFIG_NIOS2_DIS'],
2822 'or1k' : ['CONFIG_OPENRISC_DIS'],
2823 'ppc' : ['CONFIG_PPC_DIS'],
2824 'riscv' : ['CONFIG_RISCV_DIS'],
2825 'rx' : ['CONFIG_RX_DIS'],
2826 's390' : ['CONFIG_S390_DIS'],
2827 'sh4' : ['CONFIG_SH4_DIS'],
2828 'sparc' : ['CONFIG_SPARC_DIS'],
2829 'xtensa' : ['CONFIG_XTENSA_DIS'],
2830 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2833 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2835 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2836 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2837 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2838 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2839 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2840 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2841 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2842 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2843 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2844 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2845 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2846 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2847 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2848 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2850 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2852 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2853 actual_target_dirs = []
2855 foreach target : target_dirs
2856 config_target = { 'TARGET_NAME': target.split('-')[0] }
2857 if target.endswith('linux-user')
2858 if targetos != 'linux'
2862 error('Target @0@ is only available on a Linux host'.format(target))
2864 config_target += { 'CONFIG_LINUX_USER': 'y' }
2865 elif target.endswith('bsd-user')
2866 if 'CONFIG_BSD' not in config_host
2870 error('Target @0@ is only available on a BSD host'.format(target))
2872 config_target += { 'CONFIG_BSD_USER': 'y' }
2873 elif target.endswith('softmmu')
2874 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2875 config_target += { 'CONFIG_SOFTMMU': 'y' }
2877 if target.endswith('-user')
2879 'CONFIG_USER_ONLY': 'y',
2880 'CONFIG_QEMU_INTERP_PREFIX':
2881 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2886 foreach sym: accelerators
2887 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2888 config_target += { sym: 'y' }
2889 config_all += { sym: 'y' }
2890 if target in modular_tcg
2891 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2893 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2895 accel_kconfig += [ sym + '=y' ]
2898 if accel_kconfig.length() == 0
2902 error('No accelerator available for target @0@'.format(target))
2905 actual_target_dirs += target
2906 config_target += keyval.load('configs/targets' / target + '.mak')
2907 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2909 if 'TARGET_NEED_FDT' in config_target
2910 fdt_required += target
2914 if 'TARGET_BASE_ARCH' not in config_target
2915 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2917 if 'TARGET_ABI_DIR' not in config_target
2918 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2920 if 'TARGET_BIG_ENDIAN' not in config_target
2921 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2924 foreach k, v: disassemblers
2925 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2927 config_target += { sym: 'y' }
2928 config_all_disas += { sym: 'y' }
2933 config_target_data = configuration_data()
2934 foreach k, v: config_target
2935 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2937 elif ignored.contains(k)
2939 elif k == 'TARGET_BASE_ARCH'
2940 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2941 # not used to select files from sourcesets.
2942 config_target_data.set('TARGET_' + v.to_upper(), 1)
2943 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2944 config_target_data.set_quoted(k, v)
2946 config_target_data.set(k, 1)
2948 config_target_data.set(k, 0)
2950 config_target_data.set(k, v)
2953 config_target_data.set('QEMU_ARCH',
2954 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2955 config_target_h += {target: configure_file(output: target + '-config-target.h',
2956 configuration: config_target_data)}
2958 if target.endswith('-softmmu')
2959 config_input = meson.get_external_property(target, 'default')
2960 config_devices_mak = target + '-config-devices.mak'
2961 config_devices_mak = configure_file(
2962 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2963 output: config_devices_mak,
2964 depfile: config_devices_mak + '.d',
2966 command: [minikconf,
2967 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2968 config_devices_mak, '@DEPFILE@', '@INPUT@',
2969 host_kconfig, accel_kconfig,
2970 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2972 config_devices_data = configuration_data()
2973 config_devices = keyval.load(config_devices_mak)
2974 foreach k, v: config_devices
2975 config_devices_data.set(k, 1)
2977 config_devices_mak_list += config_devices_mak
2978 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2979 configuration: config_devices_data)}
2980 config_target += config_devices
2981 config_all_devices += config_devices
2983 config_target_mak += {target: config_target}
2985 target_dirs = actual_target_dirs
2987 # This configuration is used to build files that are shared by
2988 # multiple binaries, and then extracted out of the "common"
2989 # static_library target.
2991 # We do not use all_sources()/all_dependencies(), because it would
2992 # build literally all source files, including devices only used by
2993 # targets that are not built for this compilation. The CONFIG_ALL
2994 # pseudo symbol replaces it.
2996 config_all += config_all_devices
2997 config_all += config_host
2998 config_all += config_all_disas
3000 'CONFIG_XEN': xen.found(),
3001 'CONFIG_SYSTEM_ONLY': have_system,
3002 'CONFIG_USER_ONLY': have_user,
3006 target_configs_h = []
3007 foreach target: target_dirs
3008 target_configs_h += config_target_h[target]
3009 target_configs_h += config_devices_h.get(target, [])
3011 genh += custom_target('config-poison.h',
3012 input: [target_configs_h],
3013 output: 'config-poison.h',
3015 command: [find_program('scripts/make-config-poison.sh'),
3022 capstone = not_found
3023 if not get_option('capstone').auto() or have_system or have_user
3024 capstone = dependency('capstone', version: '>=3.0.5',
3025 method: 'pkg-config',
3026 required: get_option('capstone'))
3028 # Some versions of capstone have broken pkg-config file
3029 # that reports a wrong -I path, causing the #include to
3030 # fail later. If the system has such a broken version
3032 if capstone.found() and not cc.compiles('#include <capstone.h>',
3033 dependencies: [capstone])
3034 capstone = not_found
3035 if get_option('capstone').enabled()
3036 error('capstone requested, but it does not appear to work')
3041 libvfio_user_dep = not_found
3042 if have_system and vfio_user_server_allowed
3043 libvfio_user_proj = subproject('libvfio-user', required: true)
3044 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3048 fdt_opt = get_option('fdt')
3049 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3050 if fdt_opt == 'disabled'
3051 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3054 if fdt_opt in ['enabled', 'auto', 'system']
3055 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3056 if fdt.found() and cc.links('''
3058 #include <libfdt_env.h>
3059 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3062 elif fdt_opt == 'system'
3063 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3065 fdt_opt = 'internal'
3070 assert(fdt_opt == 'internal')
3071 libfdt_proj = subproject('dtc', required: true,
3072 default_options: ['tools=false', 'yaml=disabled',
3073 'python=disabled', 'default_library=static'])
3074 fdt = libfdt_proj.get_variable('libfdt_dep')
3077 fdt_opt = 'disabled'
3080 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3081 config_host_data.set('CONFIG_FDT', fdt.found())
3082 config_host_data.set('CONFIG_SLIRP', slirp.found())
3084 #####################
3085 # Generated sources #
3086 #####################
3088 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3090 hxtool = find_program('scripts/hxtool')
3091 shaderinclude = find_program('scripts/shaderinclude.py')
3092 qapi_gen = find_program('scripts/qapi-gen.py')
3093 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3094 meson.current_source_dir() / 'scripts/qapi/commands.py',
3095 meson.current_source_dir() / 'scripts/qapi/common.py',
3096 meson.current_source_dir() / 'scripts/qapi/error.py',
3097 meson.current_source_dir() / 'scripts/qapi/events.py',
3098 meson.current_source_dir() / 'scripts/qapi/expr.py',
3099 meson.current_source_dir() / 'scripts/qapi/gen.py',
3100 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3101 meson.current_source_dir() / 'scripts/qapi/main.py',
3102 meson.current_source_dir() / 'scripts/qapi/parser.py',
3103 meson.current_source_dir() / 'scripts/qapi/schema.py',
3104 meson.current_source_dir() / 'scripts/qapi/source.py',
3105 meson.current_source_dir() / 'scripts/qapi/types.py',
3106 meson.current_source_dir() / 'scripts/qapi/visit.py',
3107 meson.current_source_dir() / 'scripts/qapi-gen.py'
3111 python, files('scripts/tracetool.py'),
3112 '--backend=' + ','.join(get_option('trace_backends'))
3114 tracetool_depends = files(
3115 'scripts/tracetool/backend/log.py',
3116 'scripts/tracetool/backend/__init__.py',
3117 'scripts/tracetool/backend/dtrace.py',
3118 'scripts/tracetool/backend/ftrace.py',
3119 'scripts/tracetool/backend/simple.py',
3120 'scripts/tracetool/backend/syslog.py',
3121 'scripts/tracetool/backend/ust.py',
3122 'scripts/tracetool/format/ust_events_c.py',
3123 'scripts/tracetool/format/ust_events_h.py',
3124 'scripts/tracetool/format/__init__.py',
3125 'scripts/tracetool/format/d.py',
3126 'scripts/tracetool/format/simpletrace_stap.py',
3127 'scripts/tracetool/format/c.py',
3128 'scripts/tracetool/format/h.py',
3129 'scripts/tracetool/format/log_stap.py',
3130 'scripts/tracetool/format/stap.py',
3131 'scripts/tracetool/__init__.py',
3132 'scripts/tracetool/vcpu.py'
3135 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3136 meson.current_source_dir(),
3137 get_option('pkgversion'), meson.project_version()]
3138 qemu_version = custom_target('qemu-version.h',
3139 output: 'qemu-version.h',
3140 command: qemu_version_cmd,
3142 build_by_default: true,
3143 build_always_stale: true)
3144 genh += qemu_version
3148 ['qemu-options.hx', 'qemu-options.def'],
3149 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3153 ['hmp-commands.hx', 'hmp-commands.h'],
3154 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3157 foreach d : hx_headers
3158 hxdep += custom_target(d[1],
3162 build_by_default: true, # to be removed when added to a target
3163 command: [hxtool, '-h', '@INPUT0@'])
3171 authz_ss = ss.source_set()
3172 blockdev_ss = ss.source_set()
3173 block_ss = ss.source_set()
3174 chardev_ss = ss.source_set()
3175 common_ss = ss.source_set()
3176 crypto_ss = ss.source_set()
3177 hwcore_ss = ss.source_set()
3178 io_ss = ss.source_set()
3179 qmp_ss = ss.source_set()
3180 qom_ss = ss.source_set()
3181 system_ss = ss.source_set()
3182 specific_fuzz_ss = ss.source_set()
3183 specific_ss = ss.source_set()
3184 stub_ss = ss.source_set()
3185 trace_ss = ss.source_set()
3186 user_ss = ss.source_set()
3187 util_ss = ss.source_set()
3190 qtest_module_ss = ss.source_set()
3191 tcg_module_ss = ss.source_set()
3197 target_softmmu_arch = {}
3198 target_user_arch = {}
3204 # TODO: add each directory to the subdirs from its own meson.build, once
3206 trace_events_subdirs = [
3215 trace_events_subdirs += [ 'linux-user' ]
3218 trace_events_subdirs += [ 'bsd-user' ]
3221 trace_events_subdirs += [
3230 trace_events_subdirs += [
3244 'hw/block/dataplane',
3294 if have_system or have_user
3295 trace_events_subdirs += [
3313 vhost_user = not_found
3314 if targetos == 'linux' and have_vhost_user
3315 libvhost_user = subproject('libvhost-user')
3316 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3319 libvduse = not_found
3321 libvduse_proj = subproject('libvduse')
3322 libvduse = libvduse_proj.get_variable('libvduse_dep')
3325 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3326 # that is filled in by qapi/.
3340 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3341 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3344 qom_ss = qom_ss.apply(config_host, strict: false)
3345 libqom = static_library('qom', qom_ss.sources() + genh,
3346 dependencies: [qom_ss.dependencies()],
3348 qom = declare_dependency(link_whole: libqom)
3350 event_loop_base = files('event-loop-base.c')
3351 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3352 build_by_default: true)
3353 event_loop_base = declare_dependency(link_whole: event_loop_base,
3354 dependencies: [qom])
3356 stub_ss = stub_ss.apply(config_all, strict: false)
3358 util_ss.add_all(trace_ss)
3359 util_ss = util_ss.apply(config_all, strict: false)
3360 libqemuutil = static_library('qemuutil',
3361 sources: util_ss.sources() + stub_ss.sources() + genh,
3362 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3363 qemuutil = declare_dependency(link_with: libqemuutil,
3364 sources: genh + version_res,
3365 dependencies: [event_loop_base])
3367 if have_system or have_user
3368 decodetree = generator(find_program('scripts/decodetree.py'),
3369 output: 'decode-@BASENAME@.c.inc',
3370 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3371 subdir('libdecnumber')
3388 if config_host_data.get('CONFIG_REPLICATION')
3389 block_ss.add(files('replication.c'))
3396 blockdev_ss.add(files(
3403 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3404 # os-win32.c does not
3405 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3406 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3409 common_ss.add(files('cpus-common.c'))
3410 specific_ss.add(files('cpu.c'))
3414 # Work around a gcc bug/misfeature wherein constant propagation looks
3416 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3417 # to guess that a const variable is always zero. Without lto, this is
3418 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3419 # without lto, not even the alias is required -- we simply use different
3420 # declarations in different compilation units.
3421 pagevary = files('page-vary-common.c')
3422 if get_option('b_lto')
3423 pagevary_flags = ['-fno-lto']
3424 if get_option('cfi')
3425 pagevary_flags += '-fno-sanitize=cfi-icall'
3427 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3428 c_args: pagevary_flags)
3429 pagevary = declare_dependency(link_with: pagevary)
3431 common_ss.add(pagevary)
3432 specific_ss.add(files('page-vary.c'))
3440 subdir('semihosting')
3448 common_user_inc = []
3450 subdir('common-user')
3452 subdir('linux-user')
3454 # needed for fuzzing binaries
3455 subdir('tests/qtest/libqos')
3456 subdir('tests/qtest/fuzz')
3459 tcg_real_module_ss = ss.source_set()
3460 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3461 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3462 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3463 'tcg': tcg_real_module_ss }}
3465 ########################
3466 # Library dependencies #
3467 ########################
3469 modinfo_collect = find_program('scripts/modinfo-collect.py')
3470 modinfo_generate = find_program('scripts/modinfo-generate.py')
3475 foreach d, list : modules
3476 if not (d == 'block' ? have_block : have_system)
3480 foreach m, module_ss : list
3482 module_ss = module_ss.apply(config_all, strict: false)
3483 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3484 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3490 if module_ss.sources() != []
3491 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3492 # input. Sources can be used multiple times but objects are
3493 # unique when it comes to lookup in compile_commands.json.
3494 # Depnds on a mesion version with
3495 # https://github.com/mesonbuild/meson/pull/8900
3496 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3497 output: d + '-' + m + '.modinfo',
3498 input: module_ss.sources() + genh,
3500 command: [modinfo_collect, module_ss.sources()])
3504 block_ss.add_all(module_ss)
3506 system_ss.add_all(module_ss)
3512 foreach d, list : target_modules
3513 foreach m, module_ss : list
3515 foreach target : target_dirs
3516 if target.endswith('-softmmu')
3517 config_target = config_target_mak[target]
3518 config_target += config_host
3519 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3520 c_args = ['-DNEED_CPU_H',
3521 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3522 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3523 target_module_ss = module_ss.apply(config_target, strict: false)
3524 if target_module_ss.sources() != []
3525 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3526 sl = static_library(module_name,
3527 [genh, target_module_ss.sources()],
3528 dependencies: [modulecommon, target_module_ss.dependencies()],
3529 include_directories: target_inc,
3533 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3534 modinfo_files += custom_target(module_name + '.modinfo',
3535 output: module_name + '.modinfo',
3536 input: target_module_ss.sources() + genh,
3538 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3543 specific_ss.add_all(module_ss)
3549 foreach target : target_dirs
3550 if target.endswith('-softmmu')
3551 config_target = config_target_mak[target]
3552 config_devices_mak = target + '-config-devices.mak'
3553 modinfo_src = custom_target('modinfo-' + target + '.c',
3554 output: 'modinfo-' + target + '.c',
3555 input: modinfo_files,
3556 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3559 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3560 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3562 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3563 hw_arch[arch].add(modinfo_dep)
3568 nm = find_program('nm')
3569 undefsym = find_program('scripts/undefsym.py')
3570 block_syms = custom_target('block.syms', output: 'block.syms',
3571 input: [libqemuutil, block_mods],
3573 command: [undefsym, nm, '@INPUT@'])
3574 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3575 input: [libqemuutil, softmmu_mods],
3577 command: [undefsym, nm, '@INPUT@'])
3579 authz_ss = authz_ss.apply(config_host, strict: false)
3580 libauthz = static_library('authz', authz_ss.sources() + genh,
3581 dependencies: [authz_ss.dependencies()],
3583 build_by_default: false)
3585 authz = declare_dependency(link_whole: libauthz,
3588 crypto_ss = crypto_ss.apply(config_host, strict: false)
3589 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3590 dependencies: [crypto_ss.dependencies()],
3592 build_by_default: false)
3594 crypto = declare_dependency(link_whole: libcrypto,
3595 dependencies: [authz, qom])
3597 io_ss = io_ss.apply(config_host, strict: false)
3598 libio = static_library('io', io_ss.sources() + genh,
3599 dependencies: [io_ss.dependencies()],
3600 link_with: libqemuutil,
3602 build_by_default: false)
3604 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3606 libmigration = static_library('migration', sources: migration_files + genh,
3608 build_by_default: false)
3609 migration = declare_dependency(link_with: libmigration,
3610 dependencies: [zlib, qom, io])
3611 system_ss.add(migration)
3613 block_ss = block_ss.apply(config_host, strict: false)
3614 libblock = static_library('block', block_ss.sources() + genh,
3615 dependencies: block_ss.dependencies(),
3616 link_depends: block_syms,
3618 build_by_default: false)
3620 block = declare_dependency(link_whole: [libblock],
3621 link_args: '@block.syms',
3622 dependencies: [crypto, io])
3624 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3625 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3626 dependencies: blockdev_ss.dependencies(),
3628 build_by_default: false)
3630 blockdev = declare_dependency(link_whole: [libblockdev],
3631 dependencies: [block, event_loop_base])
3633 qmp_ss = qmp_ss.apply(config_host, strict: false)
3634 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3635 dependencies: qmp_ss.dependencies(),
3637 build_by_default: false)
3639 qmp = declare_dependency(link_whole: [libqmp])
3641 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3643 dependencies: chardev_ss.dependencies(),
3644 build_by_default: false)
3646 chardev = declare_dependency(link_whole: libchardev)
3648 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3649 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3651 build_by_default: false)
3652 hwcore = declare_dependency(link_whole: libhwcore)
3653 common_ss.add(hwcore)
3659 emulator_modules = []
3660 foreach m : block_mods + softmmu_mods
3661 emulator_modules += shared_module(m.name(),
3662 build_by_default: true,
3666 install_dir: qemu_moddir)
3668 if emulator_modules.length() > 0
3669 alias_target('modules', emulator_modules)
3672 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3673 common_ss.add(qom, qemuutil)
3675 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3676 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3678 common_all = common_ss.apply(config_all, strict: false)
3679 common_all = static_library('common',
3680 build_by_default: false,
3681 sources: common_all.sources() + genh,
3682 include_directories: common_user_inc,
3683 implicit_include_directories: false,
3684 dependencies: common_all.dependencies(),
3687 feature_to_c = find_program('scripts/feature_to_c.sh')
3689 if targetos == 'darwin'
3690 entitlement = find_program('scripts/entitlement.sh')
3694 foreach target : target_dirs
3695 config_target = config_target_mak[target]
3696 target_name = config_target['TARGET_NAME']
3697 target_base_arch = config_target['TARGET_BASE_ARCH']
3698 arch_srcs = [config_target_h[target]]
3700 c_args = ['-DNEED_CPU_H',
3701 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3702 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3703 link_args = emulator_link_args
3705 config_target += config_host
3706 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3707 if targetos == 'linux'
3708 target_inc += include_directories('linux-headers', is_system: true)
3710 if target.endswith('-softmmu')
3711 target_type='system'
3712 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3713 arch_srcs += t.sources()
3714 arch_deps += t.dependencies()
3716 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3717 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3718 arch_srcs += hw.sources()
3719 arch_deps += hw.dependencies()
3721 arch_srcs += config_devices_h[target]
3722 link_args += ['@block.syms', '@qemu.syms']
3724 abi = config_target['TARGET_ABI_DIR']
3726 target_inc += common_user_inc
3727 if target_base_arch in target_user_arch
3728 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3729 arch_srcs += t.sources()
3730 arch_deps += t.dependencies()
3732 if 'CONFIG_LINUX_USER' in config_target
3733 base_dir = 'linux-user'
3735 if 'CONFIG_BSD_USER' in config_target
3736 base_dir = 'bsd-user'
3737 target_inc += include_directories('bsd-user/' / targetos)
3738 target_inc += include_directories('bsd-user/host/' / host_arch)
3739 dir = base_dir / abi
3740 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3742 target_inc += include_directories(
3746 if 'CONFIG_LINUX_USER' in config_target
3747 dir = base_dir / abi
3748 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3749 if config_target.has_key('TARGET_SYSTBL_ABI')
3751 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3752 extra_args : config_target['TARGET_SYSTBL_ABI'])
3757 if 'TARGET_XML_FILES' in config_target
3758 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3759 output: target + '-gdbstub-xml.c',
3760 input: files(config_target['TARGET_XML_FILES'].split()),
3761 command: [feature_to_c, '@INPUT@'],
3763 arch_srcs += gdbstub_xml
3766 t = target_arch[target_base_arch].apply(config_target, strict: false)
3767 arch_srcs += t.sources()
3768 arch_deps += t.dependencies()
3770 target_common = common_ss.apply(config_target, strict: false)
3771 objects = common_all.extract_objects(target_common.sources())
3772 deps = target_common.dependencies()
3774 target_specific = specific_ss.apply(config_target, strict: false)
3775 arch_srcs += target_specific.sources()
3776 arch_deps += target_specific.dependencies()
3778 lib = static_library('qemu-' + target,
3779 sources: arch_srcs + genh,
3780 dependencies: arch_deps,
3782 include_directories: target_inc,
3784 build_by_default: false,
3787 if target.endswith('-softmmu')
3789 'name': 'qemu-system-' + target_name,
3790 'win_subsystem': 'console',
3791 'sources': files('softmmu/main.c'),
3794 if targetos == 'windows' and (sdl.found() or gtk.found())
3796 'name': 'qemu-system-' + target_name + 'w',
3797 'win_subsystem': 'windows',
3798 'sources': files('softmmu/main.c'),
3802 if get_option('fuzzing')
3803 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3805 'name': 'qemu-fuzz-' + target_name,
3806 'win_subsystem': 'console',
3807 'sources': specific_fuzz.sources(),
3808 'dependencies': specific_fuzz.dependencies(),
3813 'name': 'qemu-' + target_name,
3814 'win_subsystem': 'console',
3820 exe_name = exe['name']
3821 if targetos == 'darwin'
3822 exe_name += '-unsigned'
3825 emulator = executable(exe_name, exe['sources'],
3828 dependencies: arch_deps + deps + exe['dependencies'],
3829 objects: lib.extract_all_objects(recursive: true),
3830 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3831 link_args: link_args,
3832 win_subsystem: exe['win_subsystem'])
3834 if targetos == 'darwin'
3835 icon = 'pc-bios/qemu.rsrc'
3836 build_input = [emulator, files(icon)]
3838 get_option('bindir') / exe_name,
3839 meson.current_source_dir() / icon
3841 if 'CONFIG_HVF' in config_target
3842 entitlements = 'accel/hvf/entitlements.plist'
3843 build_input += files(entitlements)
3844 install_input += meson.current_source_dir() / entitlements
3847 emulators += {exe['name'] : custom_target(exe['name'],
3849 output: exe['name'],
3850 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3853 meson.add_install_script(entitlement, '--install',
3854 get_option('bindir') / exe['name'],
3857 emulators += {exe['name']: emulator}
3862 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3863 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3864 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3865 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3867 custom_target(exe['name'] + stp['ext'],
3868 input: trace_events_all,
3869 output: exe['name'] + stp['ext'],
3870 install: stp['install'],
3871 install_dir: get_option('datadir') / 'systemtap/tapset',
3873 tracetool, '--group=all', '--format=' + stp['fmt'],
3874 '--binary=' + stp['bin'],
3875 '--target-name=' + target_name,
3876 '--target-type=' + target_type,
3877 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3878 '@INPUT@', '@OUTPUT@'
3880 depend_files: tracetool_depends)
3886 # Other build targets
3888 if 'CONFIG_PLUGIN' in config_host
3889 install_headers('include/qemu/qemu-plugin.h')
3894 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3895 # when we don't build tools or system
3896 if xkbcommon.found()
3897 # used for the update-keymaps target, so include rules even if !have_tools
3898 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3899 dependencies: [qemuutil, xkbcommon], install: have_tools)
3903 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3904 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3905 qemu_io = executable('qemu-io', files('qemu-io.c'),
3906 dependencies: [block, qemuutil], install: true)
3907 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3908 dependencies: [blockdev, qemuutil, gnutls, selinux],
3911 subdir('storage-daemon')
3912 subdir('contrib/rdmacm-mux')
3913 subdir('contrib/elf2dmp')
3915 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3916 dependencies: qemuutil,
3920 subdir('contrib/vhost-user-blk')
3921 subdir('contrib/vhost-user-gpu')
3922 subdir('contrib/vhost-user-input')
3923 subdir('contrib/vhost-user-scsi')
3926 if targetos == 'linux'
3927 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3928 dependencies: [qemuutil, libcap_ng],
3930 install_dir: get_option('libexecdir'))
3932 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3933 dependencies: [authz, crypto, io, qom, qemuutil,
3934 libcap_ng, mpathpersist],
3939 subdir('contrib/ivshmem-client')
3940 subdir('contrib/ivshmem-server')
3953 if host_machine.system() == 'windows'
3955 find_program('scripts/nsis.py'),
3957 get_option('prefix'),
3958 meson.current_source_dir(),
3959 glib_pc.get_variable('bindir'),
3962 '-DDISPLAYVERSION=' + meson.project_version(),
3965 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3968 nsis_cmd += '-DCONFIG_GTK=y'
3971 nsis = custom_target('nsis',
3972 output: 'qemu-setup-' + meson.project_version() + '.exe',
3973 input: files('qemu.nsi'),
3974 build_always_stale: true,
3975 command: nsis_cmd + ['@INPUT@'])
3976 alias_target('installer', nsis)
3979 #########################
3980 # Configuration summary #
3981 #########################
3985 summary_info += {'Build directory': meson.current_build_dir()}
3986 summary_info += {'Source path': meson.current_source_dir()}
3987 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3988 summary(summary_info, bool_yn: true, section: 'Build environment')
3991 summary_info += {'Install prefix': get_option('prefix')}
3992 summary_info += {'BIOS directory': qemu_datadir}
3993 pathsep = targetos == 'windows' ? ';' : ':'
3994 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3995 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3996 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3997 summary_info += {'module directory': qemu_moddir}
3998 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3999 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4000 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4001 if targetos != 'windows'
4002 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4003 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4005 summary_info += {'local state directory': 'queried at runtime'}
4007 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4008 summary(summary_info, bool_yn: true, section: 'Directories')
4012 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4013 summary_info += {'sphinx-build': sphinx_build}
4014 if config_host.has_key('HAVE_GDB_BIN')
4015 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4017 summary_info += {'iasl': iasl}
4018 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4019 if targetos == 'windows' and have_ga
4020 summary_info += {'wixl': wixl}
4022 if slirp.found() and have_system
4023 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4025 summary(summary_info, bool_yn: true, section: 'Host binaries')
4027 # Configurable features
4029 summary_info += {'Documentation': build_docs}
4030 summary_info += {'system-mode emulation': have_system}
4031 summary_info += {'user-mode emulation': have_user}
4032 summary_info += {'block layer': have_block}
4033 summary_info += {'Install blobs': get_option('install_blobs')}
4034 summary_info += {'module support': enable_modules}
4036 summary_info += {'alternative module path': get_option('module_upgrades')}
4038 summary_info += {'fuzzing support': get_option('fuzzing')}
4040 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4042 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4043 if 'simple' in get_option('trace_backends')
4044 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4046 summary_info += {'D-Bus display': dbus_display}
4047 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4048 summary_info += {'vhost-kernel support': have_vhost_kernel}
4049 summary_info += {'vhost-net support': have_vhost_net}
4050 summary_info += {'vhost-user support': have_vhost_user}
4051 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4052 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4053 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4054 summary_info += {'build guest agent': have_ga}
4055 summary(summary_info, bool_yn: true, section: 'Configurable features')
4057 # Compilation information
4059 summary_info += {'host CPU': cpu}
4060 summary_info += {'host endianness': build_machine.endian()}
4061 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4062 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4063 if 'cpp' in all_languages
4064 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4066 summary_info += {'C++ compiler': false}
4068 if targetos == 'darwin'
4069 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4071 option_cflags = (get_option('debug') ? ['-g'] : [])
4072 if get_option('optimization') != 'plain'
4073 option_cflags += ['-O' + get_option('optimization')]
4075 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4076 if 'cpp' in all_languages
4077 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4079 if targetos == 'darwin'
4080 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4082 link_args = get_option('c_link_args')
4083 if link_args.length() > 0
4084 summary_info += {'LDFLAGS': ' '.join(link_args)}
4086 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4087 if 'cpp' in all_languages
4088 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4090 if 'objc' in all_languages
4091 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4093 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4094 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4095 summary_info += {'PIE': get_option('b_pie')}
4096 summary_info += {'static build': get_option('prefer_static')}
4097 summary_info += {'malloc trim support': has_malloc_trim}
4098 summary_info += {'membarrier': have_membarrier}
4099 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4100 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4101 summary_info += {'mutex debugging': get_option('debug_mutex')}
4102 summary_info += {'memory allocator': get_option('malloc')}
4103 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4104 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4105 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4106 if get_option('gprof')
4107 gprof_info = 'YES (deprecated)'
4109 gprof_info = get_option('gprof')
4111 summary_info += {'gprof': gprof_info}
4112 summary_info += {'gcov': get_option('b_coverage')}
4113 summary_info += {'thread sanitizer': get_option('tsan')}
4114 summary_info += {'CFI support': get_option('cfi')}
4115 if get_option('cfi')
4116 summary_info += {'CFI debug support': get_option('cfi_debug')}
4118 summary_info += {'strip binaries': get_option('strip')}
4119 summary_info += {'sparse': sparse}
4120 summary_info += {'mingw32 support': targetos == 'windows'}
4121 summary(summary_info, bool_yn: true, section: 'Compilation')
4123 # snarf the cross-compilation information for tests
4126 foreach target: target_dirs
4127 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4128 if fs.exists(tcg_mak)
4129 config_cross_tcg = keyval.load(tcg_mak)
4130 if 'CC' in config_cross_tcg
4131 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4137 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4140 # Targets and accelerators
4143 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4144 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4145 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4146 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4147 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4148 summary_info += {'Xen support': xen.found()}
4150 summary_info += {'xen ctrl version': xen.version()}
4152 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4154 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4155 if config_all.has_key('CONFIG_TCG')
4156 if get_option('tcg_interpreter')
4157 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4159 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4161 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4162 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4164 summary_info += {'target list': ' '.join(target_dirs)}
4166 summary_info += {'default devices': get_option('default_devices')}
4167 summary_info += {'out of process emulation': multiprocess_allowed}
4168 summary_info += {'vfio-user server': vfio_user_server_allowed}
4170 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4174 summary_info += {'coroutine backend': coroutine_backend}
4175 summary_info += {'coroutine pool': have_coroutine_pool}
4177 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4178 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4179 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4180 summary_info += {'VirtFS (9P) support': have_virtfs}
4181 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4182 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4183 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4184 summary_info += {'bochs support': get_option('bochs').allowed()}
4185 summary_info += {'cloop support': get_option('cloop').allowed()}
4186 summary_info += {'dmg support': get_option('dmg').allowed()}
4187 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4188 summary_info += {'vdi support': get_option('vdi').allowed()}
4189 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4190 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4191 summary_info += {'vpc support': get_option('vpc').allowed()}
4192 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4193 summary_info += {'qed support': get_option('qed').allowed()}
4194 summary_info += {'parallels support': get_option('parallels').allowed()}
4195 summary_info += {'FUSE exports': fuse}
4196 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4198 summary(summary_info, bool_yn: true, section: 'Block layer support')
4202 summary_info += {'TLS priority': get_option('tls_priority')}
4203 summary_info += {'GNUTLS support': gnutls}
4205 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4207 summary_info += {'libgcrypt': gcrypt}
4208 summary_info += {'nettle': nettle}
4210 summary_info += {' XTS': xts != 'private'}
4212 summary_info += {'AF_ALG support': have_afalg}
4213 summary_info += {'rng-none': get_option('rng_none')}
4214 summary_info += {'Linux keyring': have_keyring}
4215 summary(summary_info, bool_yn: true, section: 'Crypto')
4219 if targetos == 'darwin'
4220 summary_info += {'Cocoa support': cocoa}
4222 summary_info += {'SDL support': sdl}
4223 summary_info += {'SDL image support': sdl_image}
4224 summary_info += {'GTK support': gtk}
4225 summary_info += {'pixman': pixman}
4226 summary_info += {'VTE support': vte}
4227 summary_info += {'PNG support': png}
4228 summary_info += {'VNC support': vnc}
4230 summary_info += {'VNC SASL support': sasl}
4231 summary_info += {'VNC JPEG support': jpeg}
4233 summary_info += {'spice protocol support': spice_protocol}
4234 if spice_protocol.found()
4235 summary_info += {' spice server support': spice}
4237 summary_info += {'curses support': curses}
4238 summary_info += {'brlapi support': brlapi}
4239 summary(summary_info, bool_yn: true, section: 'User interface')
4243 if targetos not in ['darwin', 'haiku', 'windows']
4244 summary_info += {'OSS support': oss}
4245 summary_info += {'sndio support': sndio}
4246 elif targetos == 'darwin'
4247 summary_info += {'CoreAudio support': coreaudio}
4248 elif targetos == 'windows'
4249 summary_info += {'DirectSound support': dsound}
4251 if targetos == 'linux'
4252 summary_info += {'ALSA support': alsa}
4253 summary_info += {'PulseAudio support': pulse}
4255 summary_info += {'Pipewire support': pipewire}
4256 summary_info += {'JACK support': jack}
4257 summary(summary_info, bool_yn: true, section: 'Audio backends')
4261 if targetos == 'darwin'
4262 summary_info += {'vmnet.framework support': vmnet}
4264 summary_info += {'slirp support': slirp}
4265 summary_info += {'vde support': vde}
4266 summary_info += {'netmap support': have_netmap}
4267 summary_info += {'l2tpv3 support': have_l2tpv3}
4268 summary(summary_info, bool_yn: true, section: 'Network backends')
4272 summary_info += {'libtasn1': tasn1}
4273 summary_info += {'PAM': pam}
4274 summary_info += {'iconv support': iconv}
4275 summary_info += {'virgl support': virgl}
4276 summary_info += {'blkio support': blkio}
4277 summary_info += {'curl support': curl}
4278 summary_info += {'Multipath support': mpathpersist}
4279 summary_info += {'Linux AIO support': libaio}
4280 summary_info += {'Linux io_uring support': linux_io_uring}
4281 summary_info += {'ATTR/XATTR support': libattr}
4282 summary_info += {'RDMA support': rdma}
4283 summary_info += {'PVRDMA support': have_pvrdma}
4284 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4285 summary_info += {'libcap-ng support': libcap_ng}
4286 summary_info += {'bpf support': libbpf}
4287 summary_info += {'rbd support': rbd}
4288 summary_info += {'smartcard support': cacard}
4289 summary_info += {'U2F support': u2f}
4290 summary_info += {'libusb': libusb}
4291 summary_info += {'usb net redir': usbredir}
4292 summary_info += {'OpenGL support (epoxy)': opengl}
4293 summary_info += {'GBM': gbm}
4294 summary_info += {'libiscsi support': libiscsi}
4295 summary_info += {'libnfs support': libnfs}
4296 if targetos == 'windows'
4298 summary_info += {'QGA VSS support': have_qga_vss}
4301 summary_info += {'seccomp support': seccomp}
4302 summary_info += {'GlusterFS support': glusterfs}
4303 summary_info += {'TPM support': have_tpm}
4304 summary_info += {'libssh support': libssh}
4305 summary_info += {'lzo support': lzo}
4306 summary_info += {'snappy support': snappy}
4307 summary_info += {'bzip2 support': libbzip2}
4308 summary_info += {'lzfse support': liblzfse}
4309 summary_info += {'zstd support': zstd}
4310 summary_info += {'NUMA host support': numa}
4311 summary_info += {'capstone': capstone}
4312 summary_info += {'libpmem support': libpmem}
4313 summary_info += {'libdaxctl support': libdaxctl}
4314 summary_info += {'libudev': libudev}
4315 # Dummy dependency, keep .found()
4316 summary_info += {'FUSE lseek': fuse_lseek.found()}
4317 summary_info += {'selinux': selinux}
4318 summary_info += {'libdw': libdw}
4319 summary(summary_info, bool_yn: true, section: 'Dependencies')
4321 if not supported_cpus.contains(cpu)
4323 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4325 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4326 message('The QEMU project intends to remove support for this host CPU in')
4327 message('a future release if nobody volunteers to maintain it and to')
4328 message('provide a build host for our continuous integration setup.')
4329 message('configure has succeeded and you can continue to build, but')
4330 message('if you care about QEMU on this platform you should contact')
4331 message('us upstream at qemu-devel@nongnu.org.')
4334 if not supported_oses.contains(targetos)
4336 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4338 message('Host OS ' + targetos + 'support is not currently maintained.')
4339 message('The QEMU project intends to remove support for this host OS in')
4340 message('a future release if nobody volunteers to maintain it and to')
4341 message('provide a build host for our continuous integration setup.')
4342 message('configure has succeeded and you can continue to build, but')
4343 message('if you care about QEMU on this platform you should contact')
4344 message('us upstream at qemu-devel@nongnu.org.')