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 # Check that the C++ compiler exists and works with the C compiler.
480 if 'cpp' in all_languages
481 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483 link_language = 'cpp'
486 message('C++ compiler does not work with C compiler')
487 message('Disabling C++-specific optional code')
491 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492 if get_option('optimization') != '0' and targetos == 'linux'
493 if cc.get_id() == 'gcc'
494 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
496 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
501 add_project_arguments(qemu_cflags, native: false, language: 'c')
502 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503 if 'cpp' in all_languages
504 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
507 if 'objc' in all_languages
508 # Note sanitizer flags are not applied to Objective-C sources!
509 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
511 if targetos == 'linux'
512 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513 '-isystem', 'linux-headers',
514 language: all_languages)
517 add_project_arguments('-iquote', '.',
518 '-iquote', meson.current_source_dir(),
519 '-iquote', meson.current_source_dir() / 'include',
520 language: all_languages)
522 # If a host-specific include directory exists, list that first...
523 host_include = meson.current_source_dir() / 'host/include/'
524 if fs.is_dir(host_include / host_arch)
525 add_project_arguments('-iquote', host_include / host_arch,
526 language: all_languages)
528 # ... followed by the generic fallback.
529 add_project_arguments('-iquote', host_include / 'generic',
530 language: all_languages)
532 sparse = find_program('cgcc', required: get_option('sparse'))
535 command: [find_program('scripts/check_sparse.py'),
536 'compile_commands.json', sparse.full_path(), '-Wbitwise',
537 '-Wno-transparent-union', '-Wno-old-initializer',
538 '-Wno-non-pointer-null'])
541 ###########################################
542 # Target-specific checks and dependencies #
543 ###########################################
546 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
549 #include <sys/types.h>
550 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
553 args: ['-Werror', '-fsanitize=fuzzer'])
554 error('Your compiler does not support -fsanitize=fuzzer')
558 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559 error('ftrace is supported only on Linux')
561 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
564 openlog("qemu", LOG_PID, LOG_DAEMON);
565 syslog(LOG_INFO, "configure");
568 error('syslog is not supported on this system')
571 # Miscellaneous Linux-only features
572 get_option('mpath') \
573 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
575 multiprocess_allowed = get_option('multiprocess') \
576 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
579 vfio_user_server_allowed = get_option('vfio_user_server') \
580 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
583 have_tpm = get_option('tpm') \
584 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
588 have_vhost_user = get_option('vhost_user') \
589 .disable_auto_if(targetos != 'linux') \
590 .require(targetos != 'windows',
591 error_message: 'vhost-user is not available on Windows').allowed()
592 have_vhost_vdpa = get_option('vhost_vdpa') \
593 .require(targetos == 'linux',
594 error_message: 'vhost-vdpa is only available on Linux').allowed()
595 have_vhost_kernel = get_option('vhost_kernel') \
596 .require(targetos == 'linux',
597 error_message: 'vhost-kernel is only available on Linux').allowed()
598 have_vhost_user_crypto = get_option('vhost_crypto') \
599 .require(have_vhost_user,
600 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
602 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
604 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
609 # Target-specific libraries and flags
610 libm = cc.find_library('m', required: false)
611 threads = dependency('threads')
612 util = cc.find_library('util', required: false)
618 emulator_link_args = []
625 if targetos == 'windows'
626 midl = find_program('midl', required: false)
627 widl = find_program('widl', required: false)
628 pathcch = cc.find_library('pathcch')
629 socket = cc.find_library('ws2_32')
630 winmm = cc.find_library('winmm')
632 win = import('windows')
633 version_res = win.compile_resources('version.rc',
634 depend_files: files('pc-bios/qemu-nsis.ico'),
635 include_directories: include_directories('.'))
637 elif targetos == 'darwin'
638 coref = dependency('appleframeworks', modules: 'CoreFoundation')
639 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640 host_dsosuf = '.dylib'
641 elif targetos == 'sunos'
642 socket = [cc.find_library('socket'),
643 cc.find_library('nsl'),
644 cc.find_library('resolv')]
645 elif targetos == 'haiku'
646 socket = [cc.find_library('posix_error_mapper'),
647 cc.find_library('network'),
648 cc.find_library('bsd')]
649 elif targetos == 'openbsd'
650 if get_option('tcg').allowed() and target_dirs.length() > 0
651 # Disable OpenBSD W^X if available
652 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
656 # Target-specific configuration of accelerators
658 if get_option('kvm').allowed() and targetos == 'linux'
659 accelerators += 'CONFIG_KVM'
661 if get_option('whpx').allowed() and targetos == 'windows'
662 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663 error('WHPX requires 64-bit host')
664 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
665 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
666 accelerators += 'CONFIG_WHPX'
669 if get_option('hvf').allowed()
670 hvf = dependency('appleframeworks', modules: 'Hypervisor',
671 required: get_option('hvf'))
673 accelerators += 'CONFIG_HVF'
676 if get_option('hax').allowed()
677 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678 accelerators += 'CONFIG_HAX'
681 if targetos == 'netbsd'
682 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
684 accelerators += 'CONFIG_NVMM'
689 if get_option('tcg').allowed()
690 if host_arch == 'unknown'
691 if get_option('tcg_interpreter')
692 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
694 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
696 elif get_option('tcg_interpreter')
697 warning('Use of the TCG interpreter is not recommended on this host')
698 warning('architecture. There is a native TCG execution backend available')
699 warning('which provides substantially better performance and reliability.')
700 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701 warning('configuration option on this architecture to use the native')
704 if get_option('tcg_interpreter')
706 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707 elif host_arch == 'x86_64'
709 elif host_arch == 'ppc64'
712 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713 language: all_languages)
715 accelerators += 'CONFIG_TCG'
716 config_host += { 'CONFIG_TCG': 'y' }
719 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720 error('KVM not available on this platform')
722 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723 error('HVF not available on this platform')
725 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726 error('NVMM not available on this platform')
728 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729 error('WHPX not available on this platform')
736 # When bumping glib minimum version, please check also whether to increase
737 # the _WIN32_WINNT setting in osdep.h according to the value from glib
738 glib_req_ver = '>=2.56.0'
739 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740 method: 'pkg-config')
743 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744 method: 'pkg-config')
745 elif config_host.has_key('CONFIG_PLUGIN')
746 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747 method: 'pkg-config')
752 # This workaround is required due to a bug in pkg-config file for glib as it
753 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754 if targetos == 'windows' and get_option('prefer_static')
755 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
758 # Sanity check that the current size_t matches the
759 # size that glib thinks it should be. This catches
760 # problems on multi-arch where people try to build
761 # 32-bit QEMU while pointing at 64-bit glib headers
763 if not cc.compiles('''
767 #define QEMU_BUILD_BUG_ON(x) \
768 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
771 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
773 }''', dependencies: glib_pc, args: glib_cflags)
774 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775 You probably need to set PKG_CONFIG_LIBDIR" to point
776 to the right pkg-config files for your build target.''')
779 # Silence clang warnings triggered by glib < 2.57.2
780 if not cc.compiles('''
785 static void foo_free(Foo *f)
789 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
793 glib = declare_dependency(dependencies: [glib_pc, gmodule],
794 compile_args: glib_cflags,
795 version: glib_pc.version())
797 # Check whether glib has gslice, which we have to avoid for correctness.
798 # TODO: remove this check and the corresponding workaround (qtree) when
799 # the minimum supported glib is >= 2.75.3
800 glib_has_gslice = glib.version().version_compare('<2.75.3')
802 # override glib dep to include the above refinements
803 meson.override_dependency('glib-2.0', glib)
805 # The path to glib.h is added to all compilation commands.
806 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807 native: false, language: all_languages)
810 gdbus_codegen = not_found
811 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812 if not get_option('gio').auto() or have_system
813 gio = dependency('gio-2.0', required: get_option('gio'),
814 method: 'pkg-config')
815 if gio.found() and not cc.links('''
819 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
821 }''', dependencies: [glib, gio])
822 if get_option('gio').enabled()
823 error('The installed libgio is broken for static linking')
828 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829 required: get_option('gio'))
830 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831 method: 'pkg-config')
832 gio = declare_dependency(dependencies: [gio, gio_unix],
833 version: gio.version())
836 if gdbus_codegen.found() and get_option('cfi')
837 gdbus_codegen = not_found
838 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
841 xml_pp = find_program('scripts/xml-preprocess.py')
844 if 'ust' in get_option('trace_backends')
845 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
846 method: 'pkg-config')
849 if have_system or have_tools
850 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
851 method: 'pkg-config')
853 zlib = dependency('zlib', required: true)
856 if not get_option('linux_aio').auto() or have_block
857 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
858 required: get_option('linux_aio'))
861 linux_io_uring_test = '''
862 #include <liburing.h>
863 #include <linux/errqueue.h>
865 int main(void) { return 0; }'''
867 linux_io_uring = not_found
868 if not get_option('linux_io_uring').auto() or have_block
869 linux_io_uring = dependency('liburing', version: '>=0.3',
870 required: get_option('linux_io_uring'),
871 method: 'pkg-config')
872 if not cc.links(linux_io_uring_test)
873 linux_io_uring = not_found
878 if not get_option('libnfs').auto() or have_block
879 libnfs = dependency('libnfs', version: '>=1.9.3',
880 required: get_option('libnfs'),
881 method: 'pkg-config')
886 #include <sys/types.h>
887 #ifdef CONFIG_LIBATTR
888 #include <attr/xattr.h>
890 #include <sys/xattr.h>
892 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
895 have_old_libattr = false
896 if get_option('attr').allowed()
897 if cc.links(libattr_test)
898 libattr = declare_dependency()
900 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
901 required: get_option('attr'))
902 if libattr.found() and not \
903 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
905 if get_option('attr').enabled()
906 error('could not link libattr')
908 warning('could not link libattr, disabling')
911 have_old_libattr = libattr.found()
916 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
917 required: get_option('cocoa'))
919 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
920 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
921 'VMNET_BRIDGED_MODE',
924 if get_option('vmnet').enabled()
925 error('vmnet.framework API is outdated')
927 warning('vmnet.framework API is outdated, disabling')
932 seccomp_has_sysrawrc = false
933 if not get_option('seccomp').auto() or have_system or have_tools
934 seccomp = dependency('libseccomp', version: '>=2.3.0',
935 required: get_option('seccomp'),
936 method: 'pkg-config')
938 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
939 'SCMP_FLTATR_API_SYSRAWRC',
940 dependencies: seccomp)
944 libcap_ng = not_found
945 if not get_option('cap_ng').auto() or have_system or have_tools
946 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
947 required: get_option('cap_ng'))
949 if libcap_ng.found() and not cc.links('''
953 capng_capability_to_name(CAPNG_EFFECTIVE);
955 }''', dependencies: libcap_ng)
956 libcap_ng = not_found
957 if get_option('cap_ng').enabled()
958 error('could not link libcap-ng')
960 warning('could not link libcap-ng, disabling')
964 if get_option('xkbcommon').auto() and not have_system and not have_tools
965 xkbcommon = not_found
967 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
968 method: 'pkg-config')
972 if not get_option('slirp').auto() or have_system
973 slirp = dependency('slirp', required: get_option('slirp'),
974 method: 'pkg-config')
975 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
976 # it passes function pointers within libslirp as callbacks for timers.
977 # When using a system-wide shared libslirp, the type information for the
978 # callback is missing and the timer call produces a false positive with CFI.
979 # Do not use the "version" keyword argument to produce a better error.
980 # with control-flow integrity.
981 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
982 if get_option('slirp').enabled()
983 error('Control-Flow Integrity requires libslirp 4.7.')
985 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
992 if not get_option('vde').auto() or have_system or have_tools
993 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
994 required: get_option('vde'))
996 if vde.found() and not cc.links('''
997 #include <libvdeplug.h>
1000 struct vde_open_args a = {0, 0, 0};
1004 }''', dependencies: vde)
1006 if get_option('cap_ng').enabled()
1007 error('could not link libvdeplug')
1009 warning('could not link libvdeplug, disabling')
1014 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1015 pulse = dependency('libpulse', required: get_option('pa'),
1016 method: 'pkg-config')
1019 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1020 alsa = dependency('alsa', required: get_option('alsa'),
1021 method: 'pkg-config')
1024 if not get_option('jack').auto() or have_system
1025 jack = dependency('jack', required: get_option('jack'),
1026 method: 'pkg-config')
1028 pipewire = not_found
1029 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1030 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1031 required: get_option('pipewire'),
1032 method: 'pkg-config')
1035 if not get_option('sndio').auto() or have_system
1036 sndio = dependency('sndio', required: get_option('sndio'),
1037 method: 'pkg-config')
1040 spice_protocol = not_found
1041 if not get_option('spice_protocol').auto() or have_system
1042 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1043 required: get_option('spice_protocol'),
1044 method: 'pkg-config')
1047 if not get_option('spice').auto() or have_system
1048 spice = dependency('spice-server', version: '>=0.14.0',
1049 required: get_option('spice'),
1050 method: 'pkg-config')
1052 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1054 rt = cc.find_library('rt', required: false)
1056 libiscsi = not_found
1057 if not get_option('libiscsi').auto() or have_block
1058 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1059 required: get_option('libiscsi'),
1060 method: 'pkg-config')
1063 if not get_option('zstd').auto() or have_block
1064 zstd = dependency('libzstd', version: '>=1.4.0',
1065 required: get_option('zstd'),
1066 method: 'pkg-config')
1070 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1071 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1072 virgl = dependency('virglrenderer',
1073 method: 'pkg-config',
1074 required: get_option('virglrenderer'))
1077 if not get_option('blkio').auto() or have_block
1078 blkio = dependency('blkio',
1079 method: 'pkg-config',
1080 required: get_option('blkio'))
1083 if not get_option('curl').auto() or have_block
1084 curl = dependency('libcurl', version: '>=7.29.0',
1085 method: 'pkg-config',
1086 required: get_option('curl'))
1089 if targetos == 'linux' and (have_system or have_tools)
1090 libudev = dependency('libudev',
1091 method: 'pkg-config',
1092 required: get_option('libudev'))
1095 mpathlibs = [libudev]
1096 mpathpersist = not_found
1097 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1098 mpath_test_source = '''
1099 #include <libudev.h>
1100 #include <mpath_persist.h>
1101 unsigned mpath_mx_alloc_len = 1024;
1103 static struct config *multipath_conf;
1104 extern struct udev *udev;
1105 extern struct config *get_multipath_config(void);
1106 extern void put_multipath_config(struct config *conf);
1108 struct config *get_multipath_config(void) { return multipath_conf; }
1109 void put_multipath_config(struct config *conf) { }
1112 multipath_conf = mpath_lib_init();
1115 libmpathpersist = cc.find_library('mpathpersist',
1116 required: get_option('mpath'))
1117 if libmpathpersist.found()
1118 mpathlibs += libmpathpersist
1119 if get_option('prefer_static')
1120 mpathlibs += cc.find_library('devmapper',
1121 required: get_option('mpath'))
1123 mpathlibs += cc.find_library('multipath',
1124 required: get_option('mpath'))
1125 foreach lib: mpathlibs
1131 if mpathlibs.length() == 0
1132 msg = 'Dependencies missing for libmpathpersist'
1133 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1134 mpathpersist = declare_dependency(dependencies: mpathlibs)
1136 msg = 'Cannot detect libmpathpersist API'
1138 if not mpathpersist.found()
1139 if get_option('mpath').enabled()
1142 warning(msg + ', disabling')
1150 if have_system and get_option('curses').allowed()
1152 #if defined(__APPLE__) || defined(__OpenBSD__)
1153 #define _XOPEN_SOURCE_EXTENDED 1
1160 setlocale(LC_ALL, "");
1162 addwstr(L"wide chars\n");
1164 add_wch(WACS_DEGREE);
1168 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1169 curses = dependency(curses_dep_list,
1171 method: 'pkg-config')
1172 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1173 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1175 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1176 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1177 version: curses.version())
1179 msg = 'curses package not usable'
1183 if not curses.found()
1184 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1185 if targetos != 'windows' and not has_curses_h
1186 message('Trying with /usr/include/ncursesw')
1187 curses_compile_args += ['-I/usr/include/ncursesw']
1188 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1191 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1192 foreach curses_libname : curses_libname_list
1193 libcurses = cc.find_library(curses_libname,
1195 if libcurses.found()
1196 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1197 curses = declare_dependency(compile_args: curses_compile_args,
1198 dependencies: [libcurses])
1201 msg = 'curses library not usable'
1207 if get_option('iconv').allowed()
1208 foreach link_args : [ ['-liconv'], [] ]
1209 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1210 # We need to use libiconv if available because mixing libiconv's headers with
1211 # the system libc does not work.
1212 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1213 # included in the command line and libiconv will not be found.
1217 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1218 return conv != (iconv_t) -1;
1219 }''', args: link_args, dependencies: glib)
1220 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1225 if curses.found() and not iconv.found()
1226 if get_option('iconv').enabled()
1227 error('iconv not available')
1229 msg = 'iconv required for curses UI but not available'
1232 if not curses.found() and msg != ''
1233 if get_option('curses').enabled()
1236 warning(msg + ', disabling')
1242 if not get_option('brlapi').auto() or have_system
1243 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1244 required: get_option('brlapi'))
1245 if brlapi.found() and not cc.links('''
1248 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1250 if get_option('brlapi').enabled()
1251 error('could not link brlapi')
1253 warning('could not link brlapi, disabling')
1259 if not get_option('sdl').auto() or have_system
1260 sdl = dependency('sdl2', required: get_option('sdl'))
1261 sdl_image = not_found
1264 # Some versions of SDL have problems with -Wundef
1265 if not cc.compiles('''
1267 #include <SDL_syswm.h>
1268 int main(int argc, char *argv[]) { return 0; }
1269 ''', dependencies: sdl, args: '-Werror=undef')
1270 sdl = declare_dependency(compile_args: '-Wno-undef',
1272 version: sdl.version())
1274 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1275 method: 'pkg-config')
1277 if get_option('sdl_image').enabled()
1278 error('sdl-image required, but SDL was @0@'.format(
1279 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1281 sdl_image = not_found
1285 if not get_option('rbd').auto() or have_block
1286 librados = cc.find_library('rados', required: get_option('rbd'))
1287 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1288 required: get_option('rbd'))
1289 if librados.found() and librbd.found()
1292 #include <rbd/librbd.h>
1295 rados_create(&cluster, NULL);
1296 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1300 }''', dependencies: [librbd, librados])
1301 rbd = declare_dependency(dependencies: [librbd, librados])
1302 elif get_option('rbd').enabled()
1303 error('librbd >= 1.12.0 required')
1305 warning('librbd >= 1.12.0 not found, disabling')
1310 glusterfs = not_found
1311 glusterfs_ftruncate_has_stat = false
1312 glusterfs_iocb_has_stat = false
1313 if not get_option('glusterfs').auto() or have_block
1314 glusterfs = dependency('glusterfs-api', version: '>=3',
1315 required: get_option('glusterfs'),
1316 method: 'pkg-config')
1317 if glusterfs.found()
1318 glusterfs_ftruncate_has_stat = cc.links('''
1319 #include <glusterfs/api/glfs.h>
1324 /* new glfs_ftruncate() passes two additional args */
1325 return glfs_ftruncate(NULL, 0, NULL, NULL);
1327 ''', dependencies: glusterfs)
1328 glusterfs_iocb_has_stat = cc.links('''
1329 #include <glusterfs/api/glfs.h>
1331 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1333 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1339 glfs_io_cbk iocb = &glusterfs_iocb;
1340 iocb(NULL, 0 , NULL, NULL, NULL);
1343 ''', dependencies: glusterfs)
1348 if not get_option('libssh').auto() or have_block
1349 libssh = dependency('libssh', version: '>=0.8.7',
1350 method: 'pkg-config',
1351 required: get_option('libssh'))
1354 libbzip2 = not_found
1355 if not get_option('bzip2').auto() or have_block
1356 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1357 required: get_option('bzip2'))
1358 if libbzip2.found() and not cc.links('''
1360 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1361 libbzip2 = not_found
1362 if get_option('bzip2').enabled()
1363 error('could not link libbzip2')
1365 warning('could not link libbzip2, disabling')
1370 liblzfse = not_found
1371 if not get_option('lzfse').auto() or have_block
1372 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1373 required: get_option('lzfse'))
1375 if liblzfse.found() and not cc.links('''
1377 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1378 liblzfse = not_found
1379 if get_option('lzfse').enabled()
1380 error('could not link liblzfse')
1382 warning('could not link liblzfse, disabling')
1387 if get_option('oss').allowed() and have_system
1388 if not cc.has_header('sys/soundcard.h')
1390 elif targetos == 'netbsd'
1391 oss = cc.find_library('ossaudio', required: get_option('oss'))
1393 oss = declare_dependency()
1397 if get_option('oss').enabled()
1398 error('OSS not found')
1403 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1404 if cc.has_header('dsound.h')
1405 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1408 if not dsound.found()
1409 if get_option('dsound').enabled()
1410 error('DirectSound not found')
1415 coreaudio = not_found
1416 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1417 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1418 required: get_option('coreaudio'))
1422 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1423 epoxy = dependency('epoxy', method: 'pkg-config',
1424 required: get_option('opengl'))
1425 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1427 elif get_option('opengl').enabled()
1428 error('epoxy/egl.h not found')
1432 if (have_system or have_tools) and (virgl.found() or opengl.found())
1433 gbm = dependency('gbm', method: 'pkg-config', required: false)
1435 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1438 gnutls_crypto = not_found
1439 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1440 # For general TLS support our min gnutls matches
1441 # that implied by our platform support matrix
1443 # For the crypto backends, we look for a newer
1446 # Version 3.6.8 is needed to get XTS
1447 # Version 3.6.13 is needed to get PBKDF
1448 # Version 3.6.14 is needed to get HW accelerated XTS
1450 # If newer enough gnutls isn't available, we can
1451 # still use a different crypto backend to satisfy
1452 # the platform support requirements
1453 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1454 method: 'pkg-config',
1456 if gnutls_crypto.found()
1457 gnutls = gnutls_crypto
1459 # Our min version if all we need is TLS
1460 gnutls = dependency('gnutls', version: '>=3.5.18',
1461 method: 'pkg-config',
1462 required: get_option('gnutls'))
1466 # We prefer use of gnutls for crypto, unless the options
1467 # explicitly asked for nettle or gcrypt.
1469 # If gnutls isn't available for crypto, then we'll prefer
1470 # gcrypt over nettle for performance reasons.
1476 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1477 error('Only one of gcrypt & nettle can be enabled')
1480 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1481 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1482 gnutls_crypto = not_found
1485 if not gnutls_crypto.found()
1486 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1487 gcrypt = dependency('libgcrypt', version: '>=1.8',
1488 method: 'config-tool',
1489 required: get_option('gcrypt'))
1490 # Debian has removed -lgpg-error from libgcrypt-config
1491 # as it "spreads unnecessary dependencies" which in
1492 # turn breaks static builds...
1493 if gcrypt.found() and get_option('prefer_static')
1494 gcrypt = declare_dependency(dependencies:
1496 cc.find_library('gpg-error', required: true)],
1497 version: gcrypt.version())
1500 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1501 nettle = dependency('nettle', version: '>=3.4',
1502 method: 'pkg-config',
1503 required: get_option('nettle'))
1504 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1510 gmp = dependency('gmp', required: false, method: 'pkg-config')
1511 if nettle.found() and gmp.found()
1512 hogweed = dependency('hogweed', version: '>=3.4',
1513 method: 'pkg-config',
1514 required: get_option('nettle'))
1521 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1523 if not get_option('gtk').auto() or have_system
1524 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1525 method: 'pkg-config',
1526 required: get_option('gtk'))
1528 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1529 method: 'pkg-config',
1531 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1532 version: gtk.version())
1534 if not get_option('vte').auto() or have_system
1535 vte = dependency('vte-2.91',
1536 method: 'pkg-config',
1537 required: get_option('vte'))
1539 elif have_gtk_clipboard
1540 error('GTK clipboard requested, but GTK not found')
1546 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1549 if get_option('png').allowed() and have_system
1550 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1551 method: 'pkg-config')
1556 if get_option('vnc').allowed() and have_system
1557 vnc = declare_dependency() # dummy dependency
1558 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1559 method: 'pkg-config')
1560 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1561 required: get_option('vnc_sasl'))
1563 sasl = declare_dependency(dependencies: sasl,
1564 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1569 if not get_option('auth_pam').auto() or have_system
1570 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1571 required: get_option('auth_pam'))
1573 if pam.found() and not cc.links('''
1575 #include <security/pam_appl.h>
1577 const char *service_name = "qemu";
1578 const char *user = "frank";
1579 const struct pam_conv pam_conv = { 0 };
1580 pam_handle_t *pamh = NULL;
1581 pam_start(service_name, user, &pam_conv, &pamh);
1583 }''', dependencies: pam)
1585 if get_option('auth_pam').enabled()
1586 error('could not link libpam')
1588 warning('could not link libpam, disabling')
1593 if not get_option('snappy').auto() or have_system
1594 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1595 required: get_option('snappy'))
1597 if snappy.found() and not linker.links('''
1598 #include <snappy-c.h>
1599 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1601 if get_option('snappy').enabled()
1602 error('could not link libsnappy')
1604 warning('could not link libsnappy, disabling')
1609 if not get_option('lzo').auto() or have_system
1610 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1611 required: get_option('lzo'))
1613 if lzo.found() and not cc.links('''
1614 #include <lzo/lzo1x.h>
1615 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1617 if get_option('lzo').enabled()
1618 error('could not link liblzo2')
1620 warning('could not link liblzo2, disabling')
1625 if not get_option('numa').auto() or have_system or have_tools
1626 numa = cc.find_library('numa', has_headers: ['numa.h'],
1627 required: get_option('numa'))
1629 if numa.found() and not cc.links('''
1631 int main(void) { return numa_available(); }
1632 ''', dependencies: numa)
1634 if get_option('numa').enabled()
1635 error('could not link numa')
1637 warning('could not link numa, disabling')
1642 if not get_option('rdma').auto() or have_system
1643 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1644 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1645 required: get_option('rdma')),
1646 cc.find_library('ibverbs', required: get_option('rdma')),
1648 rdma = declare_dependency(dependencies: rdma_libs)
1649 foreach lib: rdma_libs
1657 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1658 xencontrol = dependency('xencontrol', required: false,
1659 method: 'pkg-config')
1660 if xencontrol.found()
1661 xen_pc = declare_dependency(version: xencontrol.version(),
1664 # disabler: true makes xen_pc.found() return false if any is not found
1665 dependency('xenstore', required: false,
1666 method: 'pkg-config',
1668 dependency('xenforeignmemory', required: false,
1669 method: 'pkg-config',
1671 dependency('xengnttab', required: false,
1672 method: 'pkg-config',
1674 dependency('xenevtchn', required: false,
1675 method: 'pkg-config',
1677 dependency('xendevicemodel', required: false,
1678 method: 'pkg-config',
1680 # optional, no "disabler: true"
1681 dependency('xentoolcore', required: false,
1682 method: 'pkg-config')])
1688 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1690 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1691 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1692 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1693 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1694 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1697 foreach ver: xen_tests
1698 # cache the various library tests to avoid polluting the logs
1700 foreach l: xen_libs[ver]
1701 if l not in xen_deps
1702 xen_deps += { l: cc.find_library(l, required: false) }
1704 xen_test_deps += xen_deps[l]
1707 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1708 xen_version = ver.split('.')
1709 xen_ctrl_version = xen_version[0] + \
1710 ('0' + xen_version[1]).substring(-2) + \
1711 ('0' + xen_version[2]).substring(-2)
1712 if cc.links(files('scripts/xen-detect.c'),
1713 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1714 dependencies: xen_test_deps)
1715 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1721 accelerators += 'CONFIG_XEN'
1722 elif get_option('xen').enabled()
1723 error('could not compile and link Xen test program')
1726 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1727 .require(xen.found(),
1728 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1729 .require(targetos == 'linux',
1730 error_message: 'Xen PCI passthrough not available on this platform') \
1731 .require(cpu == 'x86' or cpu == 'x86_64',
1732 error_message: 'Xen PCI passthrough not available on this platform') \
1737 if not get_option('smartcard').auto() or have_system
1738 cacard = dependency('libcacard', required: get_option('smartcard'),
1739 version: '>=2.5.1', method: 'pkg-config')
1743 u2f = dependency('u2f-emu', required: get_option('u2f'),
1744 method: 'pkg-config')
1748 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1749 method: 'pkg-config')
1751 usbredir = not_found
1752 if not get_option('usb_redir').auto() or have_system
1753 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1754 version: '>=0.6', method: 'pkg-config')
1757 if not get_option('libusb').auto() or have_system
1758 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1759 version: '>=1.0.13', method: 'pkg-config')
1763 if not get_option('libpmem').auto() or have_system
1764 libpmem = dependency('libpmem', required: get_option('libpmem'),
1765 method: 'pkg-config')
1767 libdaxctl = not_found
1768 if not get_option('libdaxctl').auto() or have_system
1769 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1770 version: '>=57', method: 'pkg-config')
1774 tasn1 = dependency('libtasn1',
1775 method: 'pkg-config')
1777 keyutils = not_found
1778 if get_option('keyring').enabled()
1779 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1782 has_gettid = cc.has_function('gettid')
1785 selinux = dependency('libselinux',
1786 required: get_option('selinux'),
1787 method: 'pkg-config')
1792 if get_option('malloc') == 'system'
1794 get_option('malloc_trim').allowed() and \
1795 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1797 has_malloc_trim = false
1798 malloc = cc.find_library(get_option('malloc'), required: true)
1800 if not has_malloc_trim and get_option('malloc_trim').enabled()
1801 if get_option('malloc') == 'system'
1802 error('malloc_trim not available on this platform.')
1804 error('malloc_trim not available with non-libc memory allocator')
1808 gnu_source_prefix = '''
1814 # Check whether the glibc provides STATX_BASIC_STATS
1816 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1818 # Check whether statx() provides mount ID information
1820 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1822 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1823 .require(targetos == 'linux',
1824 error_message: 'vhost_user_blk_server requires linux') \
1825 .require(have_vhost_user,
1826 error_message: 'vhost_user_blk_server requires vhost-user support') \
1827 .disable_auto_if(not have_tools and not have_system) \
1830 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1831 error('Cannot enable fuse-lseek while fuse is disabled')
1834 fuse = dependency('fuse3', required: get_option('fuse'),
1835 version: '>=3.1', method: 'pkg-config')
1837 fuse_lseek = not_found
1838 if get_option('fuse_lseek').allowed()
1839 if fuse.version().version_compare('>=3.8')
1841 fuse_lseek = declare_dependency()
1842 elif get_option('fuse_lseek').enabled()
1844 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1846 error('fuse-lseek requires libfuse, which was not found')
1851 have_libvduse = (targetos == 'linux')
1852 if get_option('libvduse').enabled()
1853 if targetos != 'linux'
1854 error('libvduse requires linux')
1856 elif get_option('libvduse').disabled()
1857 have_libvduse = false
1860 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1861 if get_option('vduse_blk_export').enabled()
1862 if targetos != 'linux'
1863 error('vduse_blk_export requires linux')
1864 elif not have_libvduse
1865 error('vduse_blk_export requires libvduse support')
1867 elif get_option('vduse_blk_export').disabled()
1868 have_vduse_blk_export = false
1872 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1873 if libbpf.found() and not cc.links('''
1874 #include <bpf/libbpf.h>
1877 bpf_object__destroy_skeleton(NULL);
1879 }''', dependencies: libbpf)
1881 if get_option('bpf').enabled()
1882 error('libbpf skeleton test failed')
1884 warning('libbpf skeleton test failed, disabling')
1890 if not get_option('libdw').auto() or \
1891 (not get_option('prefer_static') and (have_system or have_user))
1892 libdw = dependency('libdw',
1893 method: 'pkg-config',
1894 required: get_option('libdw'))
1901 audio_drivers_selected = []
1903 audio_drivers_available = {
1904 'alsa': alsa.found(),
1905 'coreaudio': coreaudio.found(),
1906 'dsound': dsound.found(),
1907 'jack': jack.found(),
1909 'pa': pulse.found(),
1910 'pipewire': pipewire.found(),
1912 'sndio': sndio.found(),
1914 foreach k, v: audio_drivers_available
1915 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1918 # Default to native drivers first, OSS second, SDL third
1919 audio_drivers_priority = \
1920 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1921 (targetos == 'linux' ? [] : [ 'sdl' ])
1922 audio_drivers_default = []
1923 foreach k: audio_drivers_priority
1924 if audio_drivers_available[k]
1925 audio_drivers_default += k
1929 foreach k: get_option('audio_drv_list')
1931 audio_drivers_selected += audio_drivers_default
1932 elif not audio_drivers_available[k]
1933 error('Audio driver "@0@" not available.'.format(k))
1935 audio_drivers_selected += k
1939 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1940 '"' + '", "'.join(audio_drivers_selected) + '", ')
1942 if get_option('cfi')
1944 # Check for dependency on LTO
1945 if not get_option('b_lto')
1946 error('Selected Control-Flow Integrity but LTO is disabled')
1949 error('Selected Control-Flow Integrity is not compatible with modules')
1951 # Check for cfi flags. CFI requires LTO so we can't use
1952 # get_supported_arguments, but need a more complex "compiles" which allows
1954 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1955 args: ['-flto', '-fsanitize=cfi-icall'] )
1956 cfi_flags += '-fsanitize=cfi-icall'
1958 error('-fsanitize=cfi-icall is not supported by the compiler')
1960 if cc.compiles('int main () { return 0; }',
1961 name: '-fsanitize-cfi-icall-generalize-pointers',
1962 args: ['-flto', '-fsanitize=cfi-icall',
1963 '-fsanitize-cfi-icall-generalize-pointers'] )
1964 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1966 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1968 if get_option('cfi_debug')
1969 if cc.compiles('int main () { return 0; }',
1970 name: '-fno-sanitize-trap=cfi-icall',
1971 args: ['-flto', '-fsanitize=cfi-icall',
1972 '-fno-sanitize-trap=cfi-icall'] )
1973 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1975 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1978 add_global_arguments(cfi_flags, native: false, language: all_languages)
1979 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1982 have_host_block_device = (targetos != 'darwin' or
1983 cc.has_header('IOKit/storage/IOMedia.h'))
1985 dbus_display = get_option('dbus_display') \
1986 .require(gio.version().version_compare('>=2.64'),
1987 error_message: '-display dbus requires glib>=2.64') \
1988 .require(gdbus_codegen.found(),
1989 error_message: gdbus_codegen_error.format('-display dbus')) \
1992 have_virtfs = get_option('virtfs') \
1993 .require(targetos == 'linux' or targetos == 'darwin',
1994 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1995 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1996 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1997 .require(targetos == 'darwin' or libattr.found(),
1998 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1999 .disable_auto_if(not have_tools and not have_system) \
2002 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2003 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2004 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2005 .disable_auto_if(not have_tools) \
2006 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2009 if get_option('block_drv_ro_whitelist') == ''
2010 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2012 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2013 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2015 if get_option('block_drv_rw_whitelist') == ''
2016 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2018 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2019 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2022 foreach k : get_option('trace_backends')
2023 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2025 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2026 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2028 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2030 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2031 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2032 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2033 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2034 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2036 qemu_firmwarepath = ''
2037 foreach k : get_option('qemu_firmwarepath')
2038 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2040 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2042 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2043 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2044 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2045 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2046 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2047 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2050 config_host_data.set('CONFIG_STAMP', run_command(
2051 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2052 meson.project_version(), get_option('pkgversion'), '--',
2053 meson.current_source_dir() / 'configure',
2054 capture: true, check: true).stdout().strip())
2057 have_slirp_smbd = get_option('slirp_smbd') \
2058 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2061 smbd_path = get_option('smbd')
2063 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2065 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2068 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2070 if get_option('module_upgrades') and not enable_modules
2071 error('Cannot enable module-upgrades as modules are not enabled')
2073 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2075 config_host_data.set('CONFIG_ATTR', libattr.found())
2076 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2077 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2078 config_host_data.set('CONFIG_COCOA', cocoa.found())
2079 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2080 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2081 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2082 config_host_data.set('CONFIG_LZO', lzo.found())
2083 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2084 config_host_data.set('CONFIG_BLKIO', blkio.found())
2086 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2087 blkio.version().version_compare('>=1.3.0'))
2089 config_host_data.set('CONFIG_CURL', curl.found())
2090 config_host_data.set('CONFIG_CURSES', curses.found())
2091 config_host_data.set('CONFIG_GBM', gbm.found())
2092 config_host_data.set('CONFIG_GIO', gio.found())
2093 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2094 if glusterfs.found()
2095 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2096 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2097 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2098 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2099 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2100 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2102 config_host_data.set('CONFIG_GTK', gtk.found())
2103 config_host_data.set('CONFIG_VTE', vte.found())
2104 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2105 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2106 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2107 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2108 config_host_data.set('CONFIG_EBPF', libbpf.found())
2109 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2110 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2111 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2112 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2113 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2114 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2115 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2116 config_host_data.set('CONFIG_MODULES', enable_modules)
2117 config_host_data.set('CONFIG_NUMA', numa.found())
2119 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2120 cc.has_function('numa_has_preferred_many',
2121 dependencies: numa))
2123 config_host_data.set('CONFIG_OPENGL', opengl.found())
2124 config_host_data.set('CONFIG_RBD', rbd.found())
2125 config_host_data.set('CONFIG_RDMA', rdma.found())
2126 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2127 config_host_data.set('CONFIG_SDL', sdl.found())
2128 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2129 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2131 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2133 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2134 config_host_data.set('CONFIG_TPM', have_tpm)
2135 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2136 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2137 config_host_data.set('CONFIG_VDE', vde.found())
2138 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2139 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2140 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2141 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2142 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2143 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2144 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2145 config_host_data.set('CONFIG_VMNET', vmnet.found())
2146 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2147 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2148 config_host_data.set('CONFIG_PNG', png.found())
2149 config_host_data.set('CONFIG_VNC', vnc.found())
2150 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2151 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2152 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2153 config_host_data.set('CONFIG_VTE', vte.found())
2154 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2155 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2156 config_host_data.set('CONFIG_GETTID', has_gettid)
2157 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2158 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2159 config_host_data.set('CONFIG_TASN1', tasn1.found())
2160 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2161 config_host_data.set('CONFIG_NETTLE', nettle.found())
2162 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2163 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2164 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2165 config_host_data.set('CONFIG_STATX', has_statx)
2166 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2167 config_host_data.set('CONFIG_ZSTD', zstd.found())
2168 config_host_data.set('CONFIG_FUSE', fuse.found())
2169 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2170 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2171 if spice_protocol.found()
2172 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2174 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2176 config_host_data.set('CONFIG_SPICE', spice.found())
2177 config_host_data.set('CONFIG_X11', x11.found())
2178 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2179 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2180 config_host_data.set('CONFIG_SELINUX', selinux.found())
2181 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2182 config_host_data.set('CONFIG_LIBDW', libdw.found())
2184 # protect from xen.version() having less than three components
2185 xen_version = xen.version().split('.') + ['0', '0']
2186 xen_ctrl_version = xen_version[0] + \
2187 ('0' + xen_version[1]).substring(-2) + \
2188 ('0' + xen_version[2]).substring(-2)
2189 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2191 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2192 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2193 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2194 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2196 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2197 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2199 have_coroutine_pool = get_option('coroutine_pool')
2200 if get_option('debug_stack_usage') and have_coroutine_pool
2201 message('Disabling coroutine pool to measure stack usage')
2202 have_coroutine_pool = false
2204 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2205 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2206 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2207 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2208 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2209 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2210 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2211 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2214 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2215 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2216 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2217 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2218 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2219 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2220 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2221 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2222 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2223 if targetos == 'windows'
2224 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2228 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2229 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2230 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2231 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2232 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2233 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2234 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2235 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2236 # Note that we need to specify prefix: here to avoid incorrectly
2237 # thinking that Windows has posix_memalign()
2238 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2239 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2240 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2241 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2242 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2243 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2244 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2245 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2246 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2247 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2248 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2249 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2250 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2251 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2252 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2253 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2254 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2255 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2257 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2258 cc.has_function('rbd_namespace_exists',
2260 prefix: '#include <rbd/librbd.h>'))
2263 config_host_data.set('HAVE_IBV_ADVISE_MR',
2264 cc.has_function('ibv_advise_mr',
2266 prefix: '#include <infiniband/verbs.h>'))
2269 have_asan_fiber = false
2270 if get_option('sanitizers') and \
2271 not cc.has_function('__sanitizer_start_switch_fiber',
2272 args: '-fsanitize=address',
2273 prefix: '#include <sanitizer/asan_interface.h>')
2274 warning('Missing ASAN due to missing fiber annotation interface')
2275 warning('Without code annotation, the report may be inferior.')
2277 have_asan_fiber = true
2279 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2282 config_host_data.set('CONFIG_BLKZONED',
2283 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2284 config_host_data.set('CONFIG_EPOLL_CREATE1',
2285 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2286 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2289 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2290 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2291 config_host_data.set('CONFIG_FIEMAP',
2292 cc.has_header('linux/fiemap.h') and
2293 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2294 config_host_data.set('CONFIG_GETRANDOM',
2295 cc.has_function('getrandom') and
2296 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2297 config_host_data.set('CONFIG_INOTIFY',
2298 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2299 config_host_data.set('CONFIG_INOTIFY1',
2300 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2301 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2302 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2303 config_host_data.set('CONFIG_RTNETLINK',
2304 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2305 config_host_data.set('CONFIG_SYSMACROS',
2306 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2307 config_host_data.set('HAVE_OPTRESET',
2308 cc.has_header_symbol('getopt.h', 'optreset'))
2309 config_host_data.set('HAVE_IPPROTO_MPTCP',
2310 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2313 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2314 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2315 prefix: '#include <signal.h>'))
2316 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2317 cc.has_member('struct stat', 'st_atim',
2318 prefix: '#include <sys/stat.h>'))
2319 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2320 cc.has_member('struct blk_zone', 'capacity',
2321 prefix: '#include <linux/blkzoned.h>'))
2324 config_host_data.set('CONFIG_IOVEC',
2325 cc.has_type('struct iovec',
2326 prefix: '#include <sys/uio.h>'))
2327 config_host_data.set('HAVE_UTMPX',
2328 cc.has_type('struct utmpx',
2329 prefix: '#include <utmpx.h>'))
2331 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2332 #include <sys/eventfd.h>
2333 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2334 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2337 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2338 return fdatasync(0);
2340 #error Not supported
2344 has_madvise = cc.links(gnu_source_prefix + '''
2345 #include <sys/types.h>
2346 #include <sys/mman.h>
2348 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2349 missing_madvise_proto = false
2351 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2352 # but forget to prototype it. In this case, has_madvise will be true (the
2353 # test program links despite a compile warning). To detect the
2354 # missing-prototype case, we try again with a definitely-bogus prototype.
2355 # This will only compile if the system headers don't provide the prototype;
2356 # otherwise the conflicting prototypes will cause a compiler error.
2357 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2358 #include <sys/types.h>
2359 #include <sys/mman.h>
2361 extern int madvise(int);
2362 int main(void) { return madvise(0); }''')
2364 config_host_data.set('CONFIG_MADVISE', has_madvise)
2365 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2367 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2368 #include <sys/mman.h>
2369 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2370 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2372 #if !defined(AT_EMPTY_PATH)
2373 # error missing definition
2375 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2377 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2378 #include <sys/mman.h>
2380 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2382 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2383 #include <pthread.h>
2385 static void *f(void *p) { return NULL; }
2389 pthread_create(&thread, 0, f, 0);
2390 pthread_setname_np(thread, "QEMU");
2392 }''', dependencies: threads))
2393 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2394 #include <pthread.h>
2396 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2400 pthread_create(&thread, 0, f, 0);
2402 }''', dependencies: threads))
2403 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2404 #include <pthread.h>
2405 #include <pthread_np.h>
2407 static void *f(void *p) { return NULL; }
2411 pthread_create(&thread, 0, f, 0);
2412 pthread_set_name_np(thread, "QEMU");
2414 }''', dependencies: threads))
2415 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2416 #include <pthread.h>
2421 pthread_condattr_t attr
2422 pthread_condattr_init(&attr);
2423 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2425 }''', dependencies: threads))
2426 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2427 #include <pthread.h>
2429 static void *f(void *p) { return NULL; }
2432 int setsize = CPU_ALLOC_SIZE(64);
2435 pthread_create(&thread, 0, f, 0);
2436 cpuset = CPU_ALLOC(64);
2437 CPU_ZERO_S(setsize, cpuset);
2438 pthread_setaffinity_np(thread, setsize, cpuset);
2439 pthread_getaffinity_np(thread, setsize, cpuset);
2442 }''', dependencies: threads))
2443 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2444 #include <sys/signalfd.h>
2446 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2447 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2455 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2456 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2460 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2461 #include <sys/mman.h>
2463 return mlockall(MCL_FUTURE);
2467 if get_option('l2tpv3').allowed() and have_system
2468 have_l2tpv3 = cc.has_type('struct mmsghdr',
2469 prefix: gnu_source_prefix + '''
2470 #include <sys/socket.h>
2471 #include <linux/ip.h>''')
2473 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2476 if get_option('netmap').allowed() and have_system
2477 have_netmap = cc.compiles('''
2478 #include <inttypes.h>
2480 #include <net/netmap.h>
2481 #include <net/netmap_user.h>
2482 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2485 int main(void) { return 0; }''')
2486 if not have_netmap and get_option('netmap').enabled()
2487 error('Netmap headers not available')
2490 config_host_data.set('CONFIG_NETMAP', have_netmap)
2492 # Work around a system header bug with some kernel/XFS header
2493 # versions where they both try to define 'struct fsxattr':
2494 # xfs headers will not try to redefine structs from linux headers
2495 # if this macro is set.
2496 config_host_data.set('HAVE_FSXATTR', cc.links('''
2497 #include <linux/fs.h>
2503 # Some versions of Mac OS X incorrectly define SIZE_MAX
2504 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2508 return printf("%zu", SIZE_MAX);
2509 }''', args: ['-Werror']))
2511 # See if 64-bit atomic operations are supported.
2512 # Note that without __atomic builtins, we can only
2513 # assume atomic loads/stores max at pointer size.
2514 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2518 uint64_t x = 0, y = 0;
2519 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2520 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2521 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2522 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2523 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2527 has_int128_type = cc.compiles('''
2530 int main(void) { b = a; }''')
2531 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2533 has_int128 = has_int128_type and cc.links('''
2542 config_host_data.set('CONFIG_INT128', has_int128)
2545 # "do we have 128-bit atomics which are handled inline and specifically not
2546 # via libatomic". The reason we can't use libatomic is documented in the
2547 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2548 # We only care about these operations on 16-byte aligned pointers, so
2549 # force 16-byte alignment of the pointer, which may be greater than
2550 # __alignof(unsigned __int128) for the host.
2551 atomic_test_128 = '''
2552 int main(int ac, char **av) {
2553 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2554 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2555 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2556 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2559 has_atomic128 = cc.links(atomic_test_128)
2561 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2563 if not has_atomic128
2564 # Even with __builtin_assume_aligned, the above test may have failed
2565 # without optimization enabled. Try again with optimizations locally
2566 # enabled for the function. See
2567 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2568 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2569 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2571 if not has_atomic128_opt
2572 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2575 __uint128_t x = 0, y = 0;
2576 __sync_val_compare_and_swap_16(&x, y, x);
2584 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2585 #include <sys/auxv.h>
2587 return getauxval(AT_HWCAP) == 0;
2590 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2591 #include <linux/usbdevice_fs.h>
2593 #ifndef USBDEVFS_GET_CAPABILITIES
2594 #error "USBDEVFS_GET_CAPABILITIES undefined"
2597 #ifndef USBDEVFS_DISCONNECT_CLAIM
2598 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2601 int main(void) { return 0; }'''))
2603 have_keyring = get_option('keyring') \
2604 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2605 .require(cc.compiles('''
2607 #include <asm/unistd.h>
2608 #include <linux/keyctl.h>
2609 #include <sys/syscall.h>
2612 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2613 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2614 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2616 have_cpuid_h = cc.links('''
2619 unsigned a, b, c, d;
2620 unsigned max = __get_cpuid_max(0, 0);
2623 __cpuid(1, a, b, c, d);
2627 __cpuid_count(7, 0, a, b, c, d);
2632 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2634 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2635 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2636 .require(cc.links('''
2638 #include <immintrin.h>
2639 static int __attribute__((target("avx2"))) bar(void *a) {
2640 __m256i x = *(__m256i *)a;
2641 return _mm256_testz_si256(x, x);
2643 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2644 '''), error_message: 'AVX2 not available').allowed())
2646 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2647 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2648 .require(cc.links('''
2650 #include <immintrin.h>
2651 static int __attribute__((target("avx512f"))) bar(void *a) {
2652 __m512i x = *(__m512i *)a;
2653 return _mm512_test_epi64_mask(x, x);
2655 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2656 '''), error_message: 'AVX512F not available').allowed())
2658 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2659 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2660 .require(cc.links('''
2662 #include <immintrin.h>
2663 static int __attribute__((target("avx512bw"))) bar(void *a) {
2665 __m512i res= _mm512_abs_epi8(*x);
2668 int main(int argc, char *argv[]) { return bar(argv[0]); }
2669 '''), error_message: 'AVX512BW not available').allowed())
2671 have_pvrdma = get_option('pvrdma') \
2672 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2673 .require(cc.compiles(gnu_source_prefix + '''
2674 #include <sys/mman.h>
2679 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2682 }'''), error_message: 'PVRDMA requires mremap').allowed()
2685 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2686 #include <infiniband/verbs.h>
2690 struct ibv_pd *pd = NULL;
2696 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2702 if get_option('membarrier').disabled()
2703 have_membarrier = false
2704 elif targetos == 'windows'
2705 have_membarrier = true
2706 elif targetos == 'linux'
2707 have_membarrier = cc.compiles('''
2708 #include <linux/membarrier.h>
2709 #include <sys/syscall.h>
2713 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2714 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2718 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2719 .require(have_membarrier, error_message: 'membarrier system call not available') \
2722 have_afalg = get_option('crypto_afalg') \
2723 .require(cc.compiles(gnu_source_prefix + '''
2725 #include <sys/types.h>
2726 #include <sys/socket.h>
2727 #include <linux/if_alg.h>
2730 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2733 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2734 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2736 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2737 'linux/vm_sockets.h', 'AF_VSOCK',
2738 prefix: '#include <sys/socket.h>',
2742 have_vss_sdk = false # old xp/2003 SDK
2743 if targetos == 'windows' and link_language == 'cpp'
2744 have_vss = cxx.compiles('''
2745 #define __MIDL_user_allocate_free_DEFINED__
2747 int main(void) { return VSS_CTX_BACKUP; }''')
2748 have_vss_sdk = cxx.has_header('vscoordint.h')
2750 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2752 foreach k, v: config_host
2753 if k.startswith('CONFIG_')
2754 config_host_data.set(k, v == 'y' ? 1 : v)
2758 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2759 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2760 if targetos == 'windows'
2761 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2767 }''', name: '_lock_file and _unlock_file'))
2770 if targetos == 'windows'
2771 mingw_has_setjmp_longjmp = cc.links('''
2775 * These functions are not available in setjmp header, but may be
2776 * available at link time, from libmingwex.a.
2778 extern int __mingw_setjmp(jmp_buf);
2779 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2781 __mingw_setjmp(env);
2782 __mingw_longjmp(env, 0);
2784 ''', name: 'mingw setjmp and longjmp')
2786 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2787 error('mingw must provide setjmp/longjmp for windows-arm64')
2791 ########################
2792 # Target configuration #
2793 ########################
2795 minikconf = find_program('scripts/minikconf.py')
2797 config_all_devices = {}
2798 config_all_disas = {}
2799 config_devices_mak_list = []
2800 config_devices_h = {}
2801 config_target_h = {}
2802 config_target_mak = {}
2805 'alpha' : ['CONFIG_ALPHA_DIS'],
2806 'avr' : ['CONFIG_AVR_DIS'],
2807 'cris' : ['CONFIG_CRIS_DIS'],
2808 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2809 'hppa' : ['CONFIG_HPPA_DIS'],
2810 'i386' : ['CONFIG_I386_DIS'],
2811 'x86_64' : ['CONFIG_I386_DIS'],
2812 'm68k' : ['CONFIG_M68K_DIS'],
2813 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2814 'mips' : ['CONFIG_MIPS_DIS'],
2815 'nios2' : ['CONFIG_NIOS2_DIS'],
2816 'or1k' : ['CONFIG_OPENRISC_DIS'],
2817 'ppc' : ['CONFIG_PPC_DIS'],
2818 'riscv' : ['CONFIG_RISCV_DIS'],
2819 'rx' : ['CONFIG_RX_DIS'],
2820 's390' : ['CONFIG_S390_DIS'],
2821 'sh4' : ['CONFIG_SH4_DIS'],
2822 'sparc' : ['CONFIG_SPARC_DIS'],
2823 'xtensa' : ['CONFIG_XTENSA_DIS'],
2824 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2827 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2829 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2830 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2831 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2832 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2833 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2834 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2835 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2836 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2837 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2838 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2839 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2840 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2841 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2842 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2844 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2846 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2847 actual_target_dirs = []
2849 foreach target : target_dirs
2850 config_target = { 'TARGET_NAME': target.split('-')[0] }
2851 if target.endswith('linux-user')
2852 if targetos != 'linux'
2856 error('Target @0@ is only available on a Linux host'.format(target))
2858 config_target += { 'CONFIG_LINUX_USER': 'y' }
2859 elif target.endswith('bsd-user')
2860 if 'CONFIG_BSD' not in config_host
2864 error('Target @0@ is only available on a BSD host'.format(target))
2866 config_target += { 'CONFIG_BSD_USER': 'y' }
2867 elif target.endswith('softmmu')
2868 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2869 config_target += { 'CONFIG_SOFTMMU': 'y' }
2871 if target.endswith('-user')
2873 'CONFIG_USER_ONLY': 'y',
2874 'CONFIG_QEMU_INTERP_PREFIX':
2875 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2880 foreach sym: accelerators
2881 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2882 config_target += { sym: 'y' }
2883 config_all += { sym: 'y' }
2884 if target in modular_tcg
2885 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2887 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2889 accel_kconfig += [ sym + '=y' ]
2892 if accel_kconfig.length() == 0
2896 error('No accelerator available for target @0@'.format(target))
2899 actual_target_dirs += target
2900 config_target += keyval.load('configs/targets' / target + '.mak')
2901 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2903 if 'TARGET_NEED_FDT' in config_target
2904 fdt_required += target
2908 if 'TARGET_BASE_ARCH' not in config_target
2909 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2911 if 'TARGET_ABI_DIR' not in config_target
2912 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2914 if 'TARGET_BIG_ENDIAN' not in config_target
2915 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2918 foreach k, v: disassemblers
2919 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2921 config_target += { sym: 'y' }
2922 config_all_disas += { sym: 'y' }
2927 config_target_data = configuration_data()
2928 foreach k, v: config_target
2929 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2931 elif ignored.contains(k)
2933 elif k == 'TARGET_BASE_ARCH'
2934 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2935 # not used to select files from sourcesets.
2936 config_target_data.set('TARGET_' + v.to_upper(), 1)
2937 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2938 config_target_data.set_quoted(k, v)
2940 config_target_data.set(k, 1)
2942 config_target_data.set(k, 0)
2944 config_target_data.set(k, v)
2947 config_target_data.set('QEMU_ARCH',
2948 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2949 config_target_h += {target: configure_file(output: target + '-config-target.h',
2950 configuration: config_target_data)}
2952 if target.endswith('-softmmu')
2953 config_input = meson.get_external_property(target, 'default')
2954 config_devices_mak = target + '-config-devices.mak'
2955 config_devices_mak = configure_file(
2956 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2957 output: config_devices_mak,
2958 depfile: config_devices_mak + '.d',
2960 command: [minikconf,
2961 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2962 config_devices_mak, '@DEPFILE@', '@INPUT@',
2963 host_kconfig, accel_kconfig,
2964 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2966 config_devices_data = configuration_data()
2967 config_devices = keyval.load(config_devices_mak)
2968 foreach k, v: config_devices
2969 config_devices_data.set(k, 1)
2971 config_devices_mak_list += config_devices_mak
2972 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2973 configuration: config_devices_data)}
2974 config_target += config_devices
2975 config_all_devices += config_devices
2977 config_target_mak += {target: config_target}
2979 target_dirs = actual_target_dirs
2981 # This configuration is used to build files that are shared by
2982 # multiple binaries, and then extracted out of the "common"
2983 # static_library target.
2985 # We do not use all_sources()/all_dependencies(), because it would
2986 # build literally all source files, including devices only used by
2987 # targets that are not built for this compilation. The CONFIG_ALL
2988 # pseudo symbol replaces it.
2990 config_all += config_all_devices
2991 config_all += config_host
2992 config_all += config_all_disas
2994 'CONFIG_XEN': xen.found(),
2995 'CONFIG_SYSTEM_ONLY': have_system,
2996 'CONFIG_USER_ONLY': have_user,
3000 target_configs_h = []
3001 foreach target: target_dirs
3002 target_configs_h += config_target_h[target]
3003 target_configs_h += config_devices_h.get(target, [])
3005 genh += custom_target('config-poison.h',
3006 input: [target_configs_h],
3007 output: 'config-poison.h',
3009 command: [find_program('scripts/make-config-poison.sh'),
3016 capstone = not_found
3017 if not get_option('capstone').auto() or have_system or have_user
3018 capstone = dependency('capstone', version: '>=3.0.5',
3019 method: 'pkg-config',
3020 required: get_option('capstone'))
3022 # Some versions of capstone have broken pkg-config file
3023 # that reports a wrong -I path, causing the #include to
3024 # fail later. If the system has such a broken version
3026 if capstone.found() and not cc.compiles('#include <capstone.h>',
3027 dependencies: [capstone])
3028 capstone = not_found
3029 if get_option('capstone').enabled()
3030 error('capstone requested, but it does not appear to work')
3035 libvfio_user_dep = not_found
3036 if have_system and vfio_user_server_allowed
3037 libvfio_user_proj = subproject('libvfio-user', required: true)
3038 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3042 fdt_opt = get_option('fdt')
3043 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3044 if fdt_opt == 'disabled'
3045 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3048 if fdt_opt in ['enabled', 'auto', 'system']
3049 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3050 if fdt.found() and cc.links('''
3052 #include <libfdt_env.h>
3053 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3056 elif fdt_opt == 'system'
3057 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3059 fdt_opt = 'internal'
3064 assert(fdt_opt == 'internal')
3065 libfdt_proj = subproject('dtc', required: true,
3066 default_options: ['tools=false', 'yaml=disabled',
3067 'python=disabled', 'default_library=static'])
3068 fdt = libfdt_proj.get_variable('libfdt_dep')
3071 fdt_opt = 'disabled'
3074 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3075 config_host_data.set('CONFIG_FDT', fdt.found())
3076 config_host_data.set('CONFIG_SLIRP', slirp.found())
3078 #####################
3079 # Generated sources #
3080 #####################
3082 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3084 hxtool = find_program('scripts/hxtool')
3085 shaderinclude = find_program('scripts/shaderinclude.py')
3086 qapi_gen = find_program('scripts/qapi-gen.py')
3087 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3088 meson.current_source_dir() / 'scripts/qapi/commands.py',
3089 meson.current_source_dir() / 'scripts/qapi/common.py',
3090 meson.current_source_dir() / 'scripts/qapi/error.py',
3091 meson.current_source_dir() / 'scripts/qapi/events.py',
3092 meson.current_source_dir() / 'scripts/qapi/expr.py',
3093 meson.current_source_dir() / 'scripts/qapi/gen.py',
3094 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3095 meson.current_source_dir() / 'scripts/qapi/main.py',
3096 meson.current_source_dir() / 'scripts/qapi/parser.py',
3097 meson.current_source_dir() / 'scripts/qapi/schema.py',
3098 meson.current_source_dir() / 'scripts/qapi/source.py',
3099 meson.current_source_dir() / 'scripts/qapi/types.py',
3100 meson.current_source_dir() / 'scripts/qapi/visit.py',
3101 meson.current_source_dir() / 'scripts/qapi-gen.py'
3105 python, files('scripts/tracetool.py'),
3106 '--backend=' + ','.join(get_option('trace_backends'))
3108 tracetool_depends = files(
3109 'scripts/tracetool/backend/log.py',
3110 'scripts/tracetool/backend/__init__.py',
3111 'scripts/tracetool/backend/dtrace.py',
3112 'scripts/tracetool/backend/ftrace.py',
3113 'scripts/tracetool/backend/simple.py',
3114 'scripts/tracetool/backend/syslog.py',
3115 'scripts/tracetool/backend/ust.py',
3116 'scripts/tracetool/format/ust_events_c.py',
3117 'scripts/tracetool/format/ust_events_h.py',
3118 'scripts/tracetool/format/__init__.py',
3119 'scripts/tracetool/format/d.py',
3120 'scripts/tracetool/format/simpletrace_stap.py',
3121 'scripts/tracetool/format/c.py',
3122 'scripts/tracetool/format/h.py',
3123 'scripts/tracetool/format/log_stap.py',
3124 'scripts/tracetool/format/stap.py',
3125 'scripts/tracetool/__init__.py',
3126 'scripts/tracetool/vcpu.py'
3129 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3130 meson.current_source_dir(),
3131 get_option('pkgversion'), meson.project_version()]
3132 qemu_version = custom_target('qemu-version.h',
3133 output: 'qemu-version.h',
3134 command: qemu_version_cmd,
3136 build_by_default: true,
3137 build_always_stale: true)
3138 genh += qemu_version
3142 ['qemu-options.hx', 'qemu-options.def'],
3143 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3147 ['hmp-commands.hx', 'hmp-commands.h'],
3148 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3151 foreach d : hx_headers
3152 hxdep += custom_target(d[1],
3156 build_by_default: true, # to be removed when added to a target
3157 command: [hxtool, '-h', '@INPUT0@'])
3165 authz_ss = ss.source_set()
3166 blockdev_ss = ss.source_set()
3167 block_ss = ss.source_set()
3168 chardev_ss = ss.source_set()
3169 common_ss = ss.source_set()
3170 crypto_ss = ss.source_set()
3171 hwcore_ss = ss.source_set()
3172 io_ss = ss.source_set()
3173 qmp_ss = ss.source_set()
3174 qom_ss = ss.source_set()
3175 system_ss = ss.source_set()
3176 specific_fuzz_ss = ss.source_set()
3177 specific_ss = ss.source_set()
3178 stub_ss = ss.source_set()
3179 trace_ss = ss.source_set()
3180 user_ss = ss.source_set()
3181 util_ss = ss.source_set()
3184 qtest_module_ss = ss.source_set()
3185 tcg_module_ss = ss.source_set()
3191 target_softmmu_arch = {}
3192 target_user_arch = {}
3198 # TODO: add each directory to the subdirs from its own meson.build, once
3200 trace_events_subdirs = [
3209 trace_events_subdirs += [ 'linux-user' ]
3212 trace_events_subdirs += [ 'bsd-user' ]
3215 trace_events_subdirs += [
3224 trace_events_subdirs += [
3238 'hw/block/dataplane',
3288 if have_system or have_user
3289 trace_events_subdirs += [
3307 vhost_user = not_found
3308 if targetos == 'linux' and have_vhost_user
3309 libvhost_user = subproject('libvhost-user')
3310 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3313 libvduse = not_found
3315 libvduse_proj = subproject('libvduse')
3316 libvduse = libvduse_proj.get_variable('libvduse_dep')
3319 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3320 # that is filled in by qapi/.
3334 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3335 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3338 qom_ss = qom_ss.apply(config_host, strict: false)
3339 libqom = static_library('qom', qom_ss.sources() + genh,
3340 dependencies: [qom_ss.dependencies()],
3342 qom = declare_dependency(link_whole: libqom)
3344 event_loop_base = files('event-loop-base.c')
3345 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3346 build_by_default: true)
3347 event_loop_base = declare_dependency(link_whole: event_loop_base,
3348 dependencies: [qom])
3350 stub_ss = stub_ss.apply(config_all, strict: false)
3352 util_ss.add_all(trace_ss)
3353 util_ss = util_ss.apply(config_all, strict: false)
3354 libqemuutil = static_library('qemuutil',
3355 sources: util_ss.sources() + stub_ss.sources() + genh,
3356 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3357 qemuutil = declare_dependency(link_with: libqemuutil,
3358 sources: genh + version_res,
3359 dependencies: [event_loop_base])
3361 if have_system or have_user
3362 decodetree = generator(find_program('scripts/decodetree.py'),
3363 output: 'decode-@BASENAME@.c.inc',
3364 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3365 subdir('libdecnumber')
3382 if config_host_data.get('CONFIG_REPLICATION')
3383 block_ss.add(files('replication.c'))
3390 blockdev_ss.add(files(
3397 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3398 # os-win32.c does not
3399 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3400 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3403 common_ss.add(files('cpus-common.c'))
3404 specific_ss.add(files('cpu.c'))
3408 # Work around a gcc bug/misfeature wherein constant propagation looks
3410 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3411 # to guess that a const variable is always zero. Without lto, this is
3412 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3413 # without lto, not even the alias is required -- we simply use different
3414 # declarations in different compilation units.
3415 pagevary = files('page-vary-common.c')
3416 if get_option('b_lto')
3417 pagevary_flags = ['-fno-lto']
3418 if get_option('cfi')
3419 pagevary_flags += '-fno-sanitize=cfi-icall'
3421 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3422 c_args: pagevary_flags)
3423 pagevary = declare_dependency(link_with: pagevary)
3425 common_ss.add(pagevary)
3426 specific_ss.add(files('page-vary.c'))
3434 subdir('semihosting')
3442 common_user_inc = []
3444 subdir('common-user')
3446 subdir('linux-user')
3448 # needed for fuzzing binaries
3449 subdir('tests/qtest/libqos')
3450 subdir('tests/qtest/fuzz')
3453 tcg_real_module_ss = ss.source_set()
3454 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3455 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3456 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3457 'tcg': tcg_real_module_ss }}
3459 ########################
3460 # Library dependencies #
3461 ########################
3463 modinfo_collect = find_program('scripts/modinfo-collect.py')
3464 modinfo_generate = find_program('scripts/modinfo-generate.py')
3469 foreach d, list : modules
3470 if not (d == 'block' ? have_block : have_system)
3474 foreach m, module_ss : list
3476 module_ss = module_ss.apply(config_all, strict: false)
3477 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3478 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3484 if module_ss.sources() != []
3485 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3486 # input. Sources can be used multiple times but objects are
3487 # unique when it comes to lookup in compile_commands.json.
3488 # Depnds on a mesion version with
3489 # https://github.com/mesonbuild/meson/pull/8900
3490 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3491 output: d + '-' + m + '.modinfo',
3492 input: module_ss.sources() + genh,
3494 command: [modinfo_collect, module_ss.sources()])
3498 block_ss.add_all(module_ss)
3500 system_ss.add_all(module_ss)
3506 foreach d, list : target_modules
3507 foreach m, module_ss : list
3509 foreach target : target_dirs
3510 if target.endswith('-softmmu')
3511 config_target = config_target_mak[target]
3512 config_target += config_host
3513 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3514 c_args = ['-DNEED_CPU_H',
3515 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3516 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3517 target_module_ss = module_ss.apply(config_target, strict: false)
3518 if target_module_ss.sources() != []
3519 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3520 sl = static_library(module_name,
3521 [genh, target_module_ss.sources()],
3522 dependencies: [modulecommon, target_module_ss.dependencies()],
3523 include_directories: target_inc,
3527 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3528 modinfo_files += custom_target(module_name + '.modinfo',
3529 output: module_name + '.modinfo',
3530 input: target_module_ss.sources() + genh,
3532 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3537 specific_ss.add_all(module_ss)
3543 foreach target : target_dirs
3544 if target.endswith('-softmmu')
3545 config_target = config_target_mak[target]
3546 config_devices_mak = target + '-config-devices.mak'
3547 modinfo_src = custom_target('modinfo-' + target + '.c',
3548 output: 'modinfo-' + target + '.c',
3549 input: modinfo_files,
3550 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3553 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3554 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3556 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3557 hw_arch[arch].add(modinfo_dep)
3562 nm = find_program('nm')
3563 undefsym = find_program('scripts/undefsym.py')
3564 block_syms = custom_target('block.syms', output: 'block.syms',
3565 input: [libqemuutil, block_mods],
3567 command: [undefsym, nm, '@INPUT@'])
3568 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3569 input: [libqemuutil, softmmu_mods],
3571 command: [undefsym, nm, '@INPUT@'])
3573 authz_ss = authz_ss.apply(config_host, strict: false)
3574 libauthz = static_library('authz', authz_ss.sources() + genh,
3575 dependencies: [authz_ss.dependencies()],
3577 build_by_default: false)
3579 authz = declare_dependency(link_whole: libauthz,
3582 crypto_ss = crypto_ss.apply(config_host, strict: false)
3583 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3584 dependencies: [crypto_ss.dependencies()],
3586 build_by_default: false)
3588 crypto = declare_dependency(link_whole: libcrypto,
3589 dependencies: [authz, qom])
3591 io_ss = io_ss.apply(config_host, strict: false)
3592 libio = static_library('io', io_ss.sources() + genh,
3593 dependencies: [io_ss.dependencies()],
3594 link_with: libqemuutil,
3596 build_by_default: false)
3598 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3600 libmigration = static_library('migration', sources: migration_files + genh,
3602 build_by_default: false)
3603 migration = declare_dependency(link_with: libmigration,
3604 dependencies: [zlib, qom, io])
3605 system_ss.add(migration)
3607 block_ss = block_ss.apply(config_host, strict: false)
3608 libblock = static_library('block', block_ss.sources() + genh,
3609 dependencies: block_ss.dependencies(),
3610 link_depends: block_syms,
3612 build_by_default: false)
3614 block = declare_dependency(link_whole: [libblock],
3615 link_args: '@block.syms',
3616 dependencies: [crypto, io])
3618 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3619 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3620 dependencies: blockdev_ss.dependencies(),
3622 build_by_default: false)
3624 blockdev = declare_dependency(link_whole: [libblockdev],
3625 dependencies: [block, event_loop_base])
3627 qmp_ss = qmp_ss.apply(config_host, strict: false)
3628 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3629 dependencies: qmp_ss.dependencies(),
3631 build_by_default: false)
3633 qmp = declare_dependency(link_whole: [libqmp])
3635 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3637 dependencies: chardev_ss.dependencies(),
3638 build_by_default: false)
3640 chardev = declare_dependency(link_whole: libchardev)
3642 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3643 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3645 build_by_default: false)
3646 hwcore = declare_dependency(link_whole: libhwcore)
3647 common_ss.add(hwcore)
3653 emulator_modules = []
3654 foreach m : block_mods + softmmu_mods
3655 emulator_modules += shared_module(m.name(),
3656 build_by_default: true,
3660 install_dir: qemu_moddir)
3662 if emulator_modules.length() > 0
3663 alias_target('modules', emulator_modules)
3666 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3667 common_ss.add(qom, qemuutil)
3669 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3670 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3672 common_all = common_ss.apply(config_all, strict: false)
3673 common_all = static_library('common',
3674 build_by_default: false,
3675 sources: common_all.sources() + genh,
3676 include_directories: common_user_inc,
3677 implicit_include_directories: false,
3678 dependencies: common_all.dependencies(),
3681 feature_to_c = find_program('scripts/feature_to_c.sh')
3683 if targetos == 'darwin'
3684 entitlement = find_program('scripts/entitlement.sh')
3688 foreach target : target_dirs
3689 config_target = config_target_mak[target]
3690 target_name = config_target['TARGET_NAME']
3691 target_base_arch = config_target['TARGET_BASE_ARCH']
3692 arch_srcs = [config_target_h[target]]
3694 c_args = ['-DNEED_CPU_H',
3695 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3696 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3697 link_args = emulator_link_args
3699 config_target += config_host
3700 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3701 if targetos == 'linux'
3702 target_inc += include_directories('linux-headers', is_system: true)
3704 if target.endswith('-softmmu')
3705 target_type='system'
3706 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3707 arch_srcs += t.sources()
3708 arch_deps += t.dependencies()
3710 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3711 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3712 arch_srcs += hw.sources()
3713 arch_deps += hw.dependencies()
3715 arch_srcs += config_devices_h[target]
3716 link_args += ['@block.syms', '@qemu.syms']
3718 abi = config_target['TARGET_ABI_DIR']
3720 target_inc += common_user_inc
3721 if target_base_arch in target_user_arch
3722 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3723 arch_srcs += t.sources()
3724 arch_deps += t.dependencies()
3726 if 'CONFIG_LINUX_USER' in config_target
3727 base_dir = 'linux-user'
3729 if 'CONFIG_BSD_USER' in config_target
3730 base_dir = 'bsd-user'
3731 target_inc += include_directories('bsd-user/' / targetos)
3732 target_inc += include_directories('bsd-user/host/' / host_arch)
3733 dir = base_dir / abi
3734 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3736 target_inc += include_directories(
3740 if 'CONFIG_LINUX_USER' in config_target
3741 dir = base_dir / abi
3742 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3743 if config_target.has_key('TARGET_SYSTBL_ABI')
3745 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3746 extra_args : config_target['TARGET_SYSTBL_ABI'])
3751 if 'TARGET_XML_FILES' in config_target
3752 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3753 output: target + '-gdbstub-xml.c',
3754 input: files(config_target['TARGET_XML_FILES'].split()),
3755 command: [feature_to_c, '@INPUT@'],
3757 arch_srcs += gdbstub_xml
3760 t = target_arch[target_base_arch].apply(config_target, strict: false)
3761 arch_srcs += t.sources()
3762 arch_deps += t.dependencies()
3764 target_common = common_ss.apply(config_target, strict: false)
3765 objects = common_all.extract_objects(target_common.sources())
3766 deps = target_common.dependencies()
3768 target_specific = specific_ss.apply(config_target, strict: false)
3769 arch_srcs += target_specific.sources()
3770 arch_deps += target_specific.dependencies()
3772 lib = static_library('qemu-' + target,
3773 sources: arch_srcs + genh,
3774 dependencies: arch_deps,
3776 include_directories: target_inc,
3778 build_by_default: false,
3781 if target.endswith('-softmmu')
3783 'name': 'qemu-system-' + target_name,
3784 'win_subsystem': 'console',
3785 'sources': files('softmmu/main.c'),
3788 if targetos == 'windows' and (sdl.found() or gtk.found())
3790 'name': 'qemu-system-' + target_name + 'w',
3791 'win_subsystem': 'windows',
3792 'sources': files('softmmu/main.c'),
3796 if get_option('fuzzing')
3797 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3799 'name': 'qemu-fuzz-' + target_name,
3800 'win_subsystem': 'console',
3801 'sources': specific_fuzz.sources(),
3802 'dependencies': specific_fuzz.dependencies(),
3807 'name': 'qemu-' + target_name,
3808 'win_subsystem': 'console',
3814 exe_name = exe['name']
3815 if targetos == 'darwin'
3816 exe_name += '-unsigned'
3819 emulator = executable(exe_name, exe['sources'],
3822 dependencies: arch_deps + deps + exe['dependencies'],
3823 objects: lib.extract_all_objects(recursive: true),
3824 link_language: link_language,
3825 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3826 link_args: link_args,
3827 win_subsystem: exe['win_subsystem'])
3829 if targetos == 'darwin'
3830 icon = 'pc-bios/qemu.rsrc'
3831 build_input = [emulator, files(icon)]
3833 get_option('bindir') / exe_name,
3834 meson.current_source_dir() / icon
3836 if 'CONFIG_HVF' in config_target
3837 entitlements = 'accel/hvf/entitlements.plist'
3838 build_input += files(entitlements)
3839 install_input += meson.current_source_dir() / entitlements
3842 emulators += {exe['name'] : custom_target(exe['name'],
3844 output: exe['name'],
3845 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3848 meson.add_install_script(entitlement, '--install',
3849 get_option('bindir') / exe['name'],
3852 emulators += {exe['name']: emulator}
3857 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3858 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3859 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3860 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3862 custom_target(exe['name'] + stp['ext'],
3863 input: trace_events_all,
3864 output: exe['name'] + stp['ext'],
3865 install: stp['install'],
3866 install_dir: get_option('datadir') / 'systemtap/tapset',
3868 tracetool, '--group=all', '--format=' + stp['fmt'],
3869 '--binary=' + stp['bin'],
3870 '--target-name=' + target_name,
3871 '--target-type=' + target_type,
3872 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3873 '@INPUT@', '@OUTPUT@'
3875 depend_files: tracetool_depends)
3881 # Other build targets
3883 if 'CONFIG_PLUGIN' in config_host
3884 install_headers('include/qemu/qemu-plugin.h')
3889 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3890 # when we don't build tools or system
3891 if xkbcommon.found()
3892 # used for the update-keymaps target, so include rules even if !have_tools
3893 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3894 dependencies: [qemuutil, xkbcommon], install: have_tools)
3898 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3899 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3900 qemu_io = executable('qemu-io', files('qemu-io.c'),
3901 dependencies: [block, qemuutil], install: true)
3902 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3903 dependencies: [blockdev, qemuutil, gnutls, selinux],
3906 subdir('storage-daemon')
3907 subdir('contrib/rdmacm-mux')
3908 subdir('contrib/elf2dmp')
3910 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3911 dependencies: qemuutil,
3915 subdir('contrib/vhost-user-blk')
3916 subdir('contrib/vhost-user-gpu')
3917 subdir('contrib/vhost-user-input')
3918 subdir('contrib/vhost-user-scsi')
3921 if targetos == 'linux'
3922 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3923 dependencies: [qemuutil, libcap_ng],
3925 install_dir: get_option('libexecdir'))
3927 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3928 dependencies: [authz, crypto, io, qom, qemuutil,
3929 libcap_ng, mpathpersist],
3934 subdir('contrib/ivshmem-client')
3935 subdir('contrib/ivshmem-server')
3948 if host_machine.system() == 'windows'
3950 find_program('scripts/nsis.py'),
3952 get_option('prefix'),
3953 meson.current_source_dir(),
3954 glib_pc.get_variable('bindir'),
3957 '-DDISPLAYVERSION=' + meson.project_version(),
3960 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3963 nsis_cmd += '-DCONFIG_GTK=y'
3966 nsis = custom_target('nsis',
3967 output: 'qemu-setup-' + meson.project_version() + '.exe',
3968 input: files('qemu.nsi'),
3969 build_always_stale: true,
3970 command: nsis_cmd + ['@INPUT@'])
3971 alias_target('installer', nsis)
3974 #########################
3975 # Configuration summary #
3976 #########################
3980 summary_info += {'Build directory': meson.current_build_dir()}
3981 summary_info += {'Source path': meson.current_source_dir()}
3982 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3983 summary(summary_info, bool_yn: true, section: 'Build environment')
3986 summary_info += {'Install prefix': get_option('prefix')}
3987 summary_info += {'BIOS directory': qemu_datadir}
3988 pathsep = targetos == 'windows' ? ';' : ':'
3989 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3990 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3991 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3992 summary_info += {'module directory': qemu_moddir}
3993 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3994 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3995 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3996 if targetos != 'windows'
3997 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3998 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4000 summary_info += {'local state directory': 'queried at runtime'}
4002 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4003 summary(summary_info, bool_yn: true, section: 'Directories')
4007 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4008 summary_info += {'sphinx-build': sphinx_build}
4009 if config_host.has_key('HAVE_GDB_BIN')
4010 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4012 summary_info += {'iasl': iasl}
4013 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4014 if targetos == 'windows' and have_ga
4015 summary_info += {'wixl': wixl}
4017 if slirp.found() and have_system
4018 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4020 summary(summary_info, bool_yn: true, section: 'Host binaries')
4022 # Configurable features
4024 summary_info += {'Documentation': build_docs}
4025 summary_info += {'system-mode emulation': have_system}
4026 summary_info += {'user-mode emulation': have_user}
4027 summary_info += {'block layer': have_block}
4028 summary_info += {'Install blobs': get_option('install_blobs')}
4029 summary_info += {'module support': enable_modules}
4031 summary_info += {'alternative module path': get_option('module_upgrades')}
4033 summary_info += {'fuzzing support': get_option('fuzzing')}
4035 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4037 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4038 if 'simple' in get_option('trace_backends')
4039 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4041 summary_info += {'D-Bus display': dbus_display}
4042 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4043 summary_info += {'vhost-kernel support': have_vhost_kernel}
4044 summary_info += {'vhost-net support': have_vhost_net}
4045 summary_info += {'vhost-user support': have_vhost_user}
4046 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4047 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4048 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4049 summary_info += {'build guest agent': have_ga}
4050 summary(summary_info, bool_yn: true, section: 'Configurable features')
4052 # Compilation information
4054 summary_info += {'host CPU': cpu}
4055 summary_info += {'host endianness': build_machine.endian()}
4056 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4057 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4058 if link_language == 'cpp'
4059 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4061 summary_info += {'C++ compiler': false}
4063 if targetos == 'darwin'
4064 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4066 option_cflags = (get_option('debug') ? ['-g'] : [])
4067 if get_option('optimization') != 'plain'
4068 option_cflags += ['-O' + get_option('optimization')]
4070 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4071 if link_language == 'cpp'
4072 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4074 if targetos == 'darwin'
4075 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4077 link_args = get_option(link_language + '_link_args')
4078 if link_args.length() > 0
4079 summary_info += {'LDFLAGS': ' '.join(link_args)}
4081 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4082 if 'cpp' in all_languages
4083 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4085 if 'objc' in all_languages
4086 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4088 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4089 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4090 summary_info += {'PIE': get_option('b_pie')}
4091 summary_info += {'static build': get_option('prefer_static')}
4092 summary_info += {'malloc trim support': has_malloc_trim}
4093 summary_info += {'membarrier': have_membarrier}
4094 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4095 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4096 summary_info += {'mutex debugging': get_option('debug_mutex')}
4097 summary_info += {'memory allocator': get_option('malloc')}
4098 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4099 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4100 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4101 if get_option('gprof')
4102 gprof_info = 'YES (deprecated)'
4104 gprof_info = get_option('gprof')
4106 summary_info += {'gprof': gprof_info}
4107 summary_info += {'gcov': get_option('b_coverage')}
4108 summary_info += {'thread sanitizer': get_option('tsan')}
4109 summary_info += {'CFI support': get_option('cfi')}
4110 if get_option('cfi')
4111 summary_info += {'CFI debug support': get_option('cfi_debug')}
4113 summary_info += {'strip binaries': get_option('strip')}
4114 summary_info += {'sparse': sparse}
4115 summary_info += {'mingw32 support': targetos == 'windows'}
4116 summary(summary_info, bool_yn: true, section: 'Compilation')
4118 # snarf the cross-compilation information for tests
4121 foreach target: target_dirs
4122 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4123 if fs.exists(tcg_mak)
4124 config_cross_tcg = keyval.load(tcg_mak)
4125 if 'CC' in config_cross_tcg
4126 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4132 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4135 # Targets and accelerators
4138 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4139 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4140 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4141 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4142 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4143 summary_info += {'Xen support': xen.found()}
4145 summary_info += {'xen ctrl version': xen.version()}
4147 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4149 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4150 if config_all.has_key('CONFIG_TCG')
4151 if get_option('tcg_interpreter')
4152 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4154 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4156 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4157 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4159 summary_info += {'target list': ' '.join(target_dirs)}
4161 summary_info += {'default devices': get_option('default_devices')}
4162 summary_info += {'out of process emulation': multiprocess_allowed}
4163 summary_info += {'vfio-user server': vfio_user_server_allowed}
4165 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4169 summary_info += {'coroutine backend': coroutine_backend}
4170 summary_info += {'coroutine pool': have_coroutine_pool}
4172 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4173 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4174 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4175 summary_info += {'VirtFS (9P) support': have_virtfs}
4176 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4177 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4178 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4179 summary_info += {'bochs support': get_option('bochs').allowed()}
4180 summary_info += {'cloop support': get_option('cloop').allowed()}
4181 summary_info += {'dmg support': get_option('dmg').allowed()}
4182 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4183 summary_info += {'vdi support': get_option('vdi').allowed()}
4184 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4185 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4186 summary_info += {'vpc support': get_option('vpc').allowed()}
4187 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4188 summary_info += {'qed support': get_option('qed').allowed()}
4189 summary_info += {'parallels support': get_option('parallels').allowed()}
4190 summary_info += {'FUSE exports': fuse}
4191 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4193 summary(summary_info, bool_yn: true, section: 'Block layer support')
4197 summary_info += {'TLS priority': get_option('tls_priority')}
4198 summary_info += {'GNUTLS support': gnutls}
4200 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4202 summary_info += {'libgcrypt': gcrypt}
4203 summary_info += {'nettle': nettle}
4205 summary_info += {' XTS': xts != 'private'}
4207 summary_info += {'AF_ALG support': have_afalg}
4208 summary_info += {'rng-none': get_option('rng_none')}
4209 summary_info += {'Linux keyring': have_keyring}
4210 summary(summary_info, bool_yn: true, section: 'Crypto')
4214 if targetos == 'darwin'
4215 summary_info += {'Cocoa support': cocoa}
4217 summary_info += {'SDL support': sdl}
4218 summary_info += {'SDL image support': sdl_image}
4219 summary_info += {'GTK support': gtk}
4220 summary_info += {'pixman': pixman}
4221 summary_info += {'VTE support': vte}
4222 summary_info += {'PNG support': png}
4223 summary_info += {'VNC support': vnc}
4225 summary_info += {'VNC SASL support': sasl}
4226 summary_info += {'VNC JPEG support': jpeg}
4228 summary_info += {'spice protocol support': spice_protocol}
4229 if spice_protocol.found()
4230 summary_info += {' spice server support': spice}
4232 summary_info += {'curses support': curses}
4233 summary_info += {'brlapi support': brlapi}
4234 summary(summary_info, bool_yn: true, section: 'User interface')
4238 if targetos not in ['darwin', 'haiku', 'windows']
4239 summary_info += {'OSS support': oss}
4240 summary_info += {'sndio support': sndio}
4241 elif targetos == 'darwin'
4242 summary_info += {'CoreAudio support': coreaudio}
4243 elif targetos == 'windows'
4244 summary_info += {'DirectSound support': dsound}
4246 if targetos == 'linux'
4247 summary_info += {'ALSA support': alsa}
4248 summary_info += {'PulseAudio support': pulse}
4250 summary_info += {'Pipewire support': pipewire}
4251 summary_info += {'JACK support': jack}
4252 summary(summary_info, bool_yn: true, section: 'Audio backends')
4256 if targetos == 'darwin'
4257 summary_info += {'vmnet.framework support': vmnet}
4259 summary_info += {'slirp support': slirp}
4260 summary_info += {'vde support': vde}
4261 summary_info += {'netmap support': have_netmap}
4262 summary_info += {'l2tpv3 support': have_l2tpv3}
4263 summary(summary_info, bool_yn: true, section: 'Network backends')
4267 summary_info += {'libtasn1': tasn1}
4268 summary_info += {'PAM': pam}
4269 summary_info += {'iconv support': iconv}
4270 summary_info += {'virgl support': virgl}
4271 summary_info += {'blkio support': blkio}
4272 summary_info += {'curl support': curl}
4273 summary_info += {'Multipath support': mpathpersist}
4274 summary_info += {'Linux AIO support': libaio}
4275 summary_info += {'Linux io_uring support': linux_io_uring}
4276 summary_info += {'ATTR/XATTR support': libattr}
4277 summary_info += {'RDMA support': rdma}
4278 summary_info += {'PVRDMA support': have_pvrdma}
4279 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4280 summary_info += {'libcap-ng support': libcap_ng}
4281 summary_info += {'bpf support': libbpf}
4282 summary_info += {'rbd support': rbd}
4283 summary_info += {'smartcard support': cacard}
4284 summary_info += {'U2F support': u2f}
4285 summary_info += {'libusb': libusb}
4286 summary_info += {'usb net redir': usbredir}
4287 summary_info += {'OpenGL support (epoxy)': opengl}
4288 summary_info += {'GBM': gbm}
4289 summary_info += {'libiscsi support': libiscsi}
4290 summary_info += {'libnfs support': libnfs}
4291 if targetos == 'windows'
4293 summary_info += {'QGA VSS support': have_qga_vss}
4296 summary_info += {'seccomp support': seccomp}
4297 summary_info += {'GlusterFS support': glusterfs}
4298 summary_info += {'TPM support': have_tpm}
4299 summary_info += {'libssh support': libssh}
4300 summary_info += {'lzo support': lzo}
4301 summary_info += {'snappy support': snappy}
4302 summary_info += {'bzip2 support': libbzip2}
4303 summary_info += {'lzfse support': liblzfse}
4304 summary_info += {'zstd support': zstd}
4305 summary_info += {'NUMA host support': numa}
4306 summary_info += {'capstone': capstone}
4307 summary_info += {'libpmem support': libpmem}
4308 summary_info += {'libdaxctl support': libdaxctl}
4309 summary_info += {'libudev': libudev}
4310 # Dummy dependency, keep .found()
4311 summary_info += {'FUSE lseek': fuse_lseek.found()}
4312 summary_info += {'selinux': selinux}
4313 summary_info += {'libdw': libdw}
4314 summary(summary_info, bool_yn: true, section: 'Dependencies')
4316 if not supported_cpus.contains(cpu)
4318 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4320 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4321 message('The QEMU project intends to remove support for this host CPU in')
4322 message('a future release if nobody volunteers to maintain it and to')
4323 message('provide a build host for our continuous integration setup.')
4324 message('configure has succeeded and you can continue to build, but')
4325 message('if you care about QEMU on this platform you should contact')
4326 message('us upstream at qemu-devel@nongnu.org.')
4329 if not supported_oses.contains(targetos)
4331 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4333 message('Host OS ' + targetos + 'support is not currently maintained.')
4334 message('The QEMU project intends to remove support for this host OS in')
4335 message('a future release if nobody volunteers to maintain it and to')
4336 message('provide a build host for our continuous integration setup.')
4337 message('configure has succeeded and you can continue to build, but')
4338 message('if you care about QEMU on this platform you should contact')
4339 message('us upstream at qemu-devel@nongnu.org.')