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'
842 if 'ust' in get_option('trace_backends')
843 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
844 method: 'pkg-config')
847 if have_system or have_tools
848 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
849 method: 'pkg-config')
851 zlib = dependency('zlib', required: true)
854 if not get_option('linux_aio').auto() or have_block
855 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
856 required: get_option('linux_aio'))
859 linux_io_uring_test = '''
860 #include <liburing.h>
861 #include <linux/errqueue.h>
863 int main(void) { return 0; }'''
865 linux_io_uring = not_found
866 if not get_option('linux_io_uring').auto() or have_block
867 linux_io_uring = dependency('liburing', version: '>=0.3',
868 required: get_option('linux_io_uring'),
869 method: 'pkg-config')
870 if not cc.links(linux_io_uring_test)
871 linux_io_uring = not_found
876 if not get_option('libnfs').auto() or have_block
877 libnfs = dependency('libnfs', version: '>=1.9.3',
878 required: get_option('libnfs'),
879 method: 'pkg-config')
884 #include <sys/types.h>
885 #ifdef CONFIG_LIBATTR
886 #include <attr/xattr.h>
888 #include <sys/xattr.h>
890 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
893 have_old_libattr = false
894 if get_option('attr').allowed()
895 if cc.links(libattr_test)
896 libattr = declare_dependency()
898 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
899 required: get_option('attr'))
900 if libattr.found() and not \
901 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
903 if get_option('attr').enabled()
904 error('could not link libattr')
906 warning('could not link libattr, disabling')
909 have_old_libattr = libattr.found()
914 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
915 required: get_option('cocoa'))
917 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
918 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
919 'VMNET_BRIDGED_MODE',
922 if get_option('vmnet').enabled()
923 error('vmnet.framework API is outdated')
925 warning('vmnet.framework API is outdated, disabling')
930 seccomp_has_sysrawrc = false
931 if not get_option('seccomp').auto() or have_system or have_tools
932 seccomp = dependency('libseccomp', version: '>=2.3.0',
933 required: get_option('seccomp'),
934 method: 'pkg-config')
936 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
937 'SCMP_FLTATR_API_SYSRAWRC',
938 dependencies: seccomp)
942 libcap_ng = not_found
943 if not get_option('cap_ng').auto() or have_system or have_tools
944 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
945 required: get_option('cap_ng'))
947 if libcap_ng.found() and not cc.links('''
951 capng_capability_to_name(CAPNG_EFFECTIVE);
953 }''', dependencies: libcap_ng)
954 libcap_ng = not_found
955 if get_option('cap_ng').enabled()
956 error('could not link libcap-ng')
958 warning('could not link libcap-ng, disabling')
962 if get_option('xkbcommon').auto() and not have_system and not have_tools
963 xkbcommon = not_found
965 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
966 method: 'pkg-config')
970 if not get_option('slirp').auto() or have_system
971 slirp = dependency('slirp', required: get_option('slirp'),
972 method: 'pkg-config')
973 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
974 # it passes function pointers within libslirp as callbacks for timers.
975 # When using a system-wide shared libslirp, the type information for the
976 # callback is missing and the timer call produces a false positive with CFI.
977 # Do not use the "version" keyword argument to produce a better error.
978 # with control-flow integrity.
979 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
980 if get_option('slirp').enabled()
981 error('Control-Flow Integrity requires libslirp 4.7.')
983 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
990 if not get_option('vde').auto() or have_system or have_tools
991 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
992 required: get_option('vde'))
994 if vde.found() and not cc.links('''
995 #include <libvdeplug.h>
998 struct vde_open_args a = {0, 0, 0};
1002 }''', dependencies: vde)
1004 if get_option('cap_ng').enabled()
1005 error('could not link libvdeplug')
1007 warning('could not link libvdeplug, disabling')
1012 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1013 pulse = dependency('libpulse', required: get_option('pa'),
1014 method: 'pkg-config')
1017 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1018 alsa = dependency('alsa', required: get_option('alsa'),
1019 method: 'pkg-config')
1022 if not get_option('jack').auto() or have_system
1023 jack = dependency('jack', required: get_option('jack'),
1024 method: 'pkg-config')
1026 pipewire = not_found
1027 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1028 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1029 required: get_option('pipewire'),
1030 method: 'pkg-config')
1033 if not get_option('sndio').auto() or have_system
1034 sndio = dependency('sndio', required: get_option('sndio'),
1035 method: 'pkg-config')
1038 spice_protocol = not_found
1039 if not get_option('spice_protocol').auto() or have_system
1040 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1041 required: get_option('spice_protocol'),
1042 method: 'pkg-config')
1045 if not get_option('spice').auto() or have_system
1046 spice = dependency('spice-server', version: '>=0.14.0',
1047 required: get_option('spice'),
1048 method: 'pkg-config')
1050 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1052 rt = cc.find_library('rt', required: false)
1054 libiscsi = not_found
1055 if not get_option('libiscsi').auto() or have_block
1056 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1057 required: get_option('libiscsi'),
1058 method: 'pkg-config')
1061 if not get_option('zstd').auto() or have_block
1062 zstd = dependency('libzstd', version: '>=1.4.0',
1063 required: get_option('zstd'),
1064 method: 'pkg-config')
1068 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1069 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1070 virgl = dependency('virglrenderer',
1071 method: 'pkg-config',
1072 required: get_option('virglrenderer'))
1075 if not get_option('blkio').auto() or have_block
1076 blkio = dependency('blkio',
1077 method: 'pkg-config',
1078 required: get_option('blkio'))
1081 if not get_option('curl').auto() or have_block
1082 curl = dependency('libcurl', version: '>=7.29.0',
1083 method: 'pkg-config',
1084 required: get_option('curl'))
1087 if targetos == 'linux' and (have_system or have_tools)
1088 libudev = dependency('libudev',
1089 method: 'pkg-config',
1090 required: get_option('libudev'))
1093 mpathlibs = [libudev]
1094 mpathpersist = not_found
1095 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1096 mpath_test_source = '''
1097 #include <libudev.h>
1098 #include <mpath_persist.h>
1099 unsigned mpath_mx_alloc_len = 1024;
1101 static struct config *multipath_conf;
1102 extern struct udev *udev;
1103 extern struct config *get_multipath_config(void);
1104 extern void put_multipath_config(struct config *conf);
1106 struct config *get_multipath_config(void) { return multipath_conf; }
1107 void put_multipath_config(struct config *conf) { }
1110 multipath_conf = mpath_lib_init();
1113 libmpathpersist = cc.find_library('mpathpersist',
1114 required: get_option('mpath'))
1115 if libmpathpersist.found()
1116 mpathlibs += libmpathpersist
1117 if get_option('prefer_static')
1118 mpathlibs += cc.find_library('devmapper',
1119 required: get_option('mpath'))
1121 mpathlibs += cc.find_library('multipath',
1122 required: get_option('mpath'))
1123 foreach lib: mpathlibs
1129 if mpathlibs.length() == 0
1130 msg = 'Dependencies missing for libmpathpersist'
1131 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1132 mpathpersist = declare_dependency(dependencies: mpathlibs)
1134 msg = 'Cannot detect libmpathpersist API'
1136 if not mpathpersist.found()
1137 if get_option('mpath').enabled()
1140 warning(msg + ', disabling')
1148 if have_system and get_option('curses').allowed()
1150 #if defined(__APPLE__) || defined(__OpenBSD__)
1151 #define _XOPEN_SOURCE_EXTENDED 1
1158 setlocale(LC_ALL, "");
1160 addwstr(L"wide chars\n");
1162 add_wch(WACS_DEGREE);
1166 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1167 curses = dependency(curses_dep_list,
1169 method: 'pkg-config')
1170 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1171 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1173 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1174 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1175 version: curses.version())
1177 msg = 'curses package not usable'
1181 if not curses.found()
1182 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1183 if targetos != 'windows' and not has_curses_h
1184 message('Trying with /usr/include/ncursesw')
1185 curses_compile_args += ['-I/usr/include/ncursesw']
1186 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1189 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1190 foreach curses_libname : curses_libname_list
1191 libcurses = cc.find_library(curses_libname,
1193 if libcurses.found()
1194 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1195 curses = declare_dependency(compile_args: curses_compile_args,
1196 dependencies: [libcurses])
1199 msg = 'curses library not usable'
1205 if get_option('iconv').allowed()
1206 foreach link_args : [ ['-liconv'], [] ]
1207 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1208 # We need to use libiconv if available because mixing libiconv's headers with
1209 # the system libc does not work.
1210 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1211 # included in the command line and libiconv will not be found.
1215 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1216 return conv != (iconv_t) -1;
1217 }''', args: link_args, dependencies: glib)
1218 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1223 if curses.found() and not iconv.found()
1224 if get_option('iconv').enabled()
1225 error('iconv not available')
1227 msg = 'iconv required for curses UI but not available'
1230 if not curses.found() and msg != ''
1231 if get_option('curses').enabled()
1234 warning(msg + ', disabling')
1240 if not get_option('brlapi').auto() or have_system
1241 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1242 required: get_option('brlapi'))
1243 if brlapi.found() and not cc.links('''
1246 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1248 if get_option('brlapi').enabled()
1249 error('could not link brlapi')
1251 warning('could not link brlapi, disabling')
1257 if not get_option('sdl').auto() or have_system
1258 sdl = dependency('sdl2', required: get_option('sdl'))
1259 sdl_image = not_found
1262 # Some versions of SDL have problems with -Wundef
1263 if not cc.compiles('''
1265 #include <SDL_syswm.h>
1266 int main(int argc, char *argv[]) { return 0; }
1267 ''', dependencies: sdl, args: '-Werror=undef')
1268 sdl = declare_dependency(compile_args: '-Wno-undef',
1270 version: sdl.version())
1272 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1273 method: 'pkg-config')
1275 if get_option('sdl_image').enabled()
1276 error('sdl-image required, but SDL was @0@'.format(
1277 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1279 sdl_image = not_found
1283 if not get_option('rbd').auto() or have_block
1284 librados = cc.find_library('rados', required: get_option('rbd'))
1285 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1286 required: get_option('rbd'))
1287 if librados.found() and librbd.found()
1290 #include <rbd/librbd.h>
1293 rados_create(&cluster, NULL);
1294 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1298 }''', dependencies: [librbd, librados])
1299 rbd = declare_dependency(dependencies: [librbd, librados])
1300 elif get_option('rbd').enabled()
1301 error('librbd >= 1.12.0 required')
1303 warning('librbd >= 1.12.0 not found, disabling')
1308 glusterfs = not_found
1309 glusterfs_ftruncate_has_stat = false
1310 glusterfs_iocb_has_stat = false
1311 if not get_option('glusterfs').auto() or have_block
1312 glusterfs = dependency('glusterfs-api', version: '>=3',
1313 required: get_option('glusterfs'),
1314 method: 'pkg-config')
1315 if glusterfs.found()
1316 glusterfs_ftruncate_has_stat = cc.links('''
1317 #include <glusterfs/api/glfs.h>
1322 /* new glfs_ftruncate() passes two additional args */
1323 return glfs_ftruncate(NULL, 0, NULL, NULL);
1325 ''', dependencies: glusterfs)
1326 glusterfs_iocb_has_stat = cc.links('''
1327 #include <glusterfs/api/glfs.h>
1329 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1331 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1337 glfs_io_cbk iocb = &glusterfs_iocb;
1338 iocb(NULL, 0 , NULL, NULL, NULL);
1341 ''', dependencies: glusterfs)
1346 if not get_option('libssh').auto() or have_block
1347 libssh = dependency('libssh', version: '>=0.8.7',
1348 method: 'pkg-config',
1349 required: get_option('libssh'))
1352 libbzip2 = not_found
1353 if not get_option('bzip2').auto() or have_block
1354 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1355 required: get_option('bzip2'))
1356 if libbzip2.found() and not cc.links('''
1358 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1359 libbzip2 = not_found
1360 if get_option('bzip2').enabled()
1361 error('could not link libbzip2')
1363 warning('could not link libbzip2, disabling')
1368 liblzfse = not_found
1369 if not get_option('lzfse').auto() or have_block
1370 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1371 required: get_option('lzfse'))
1373 if liblzfse.found() and not cc.links('''
1375 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1376 liblzfse = not_found
1377 if get_option('lzfse').enabled()
1378 error('could not link liblzfse')
1380 warning('could not link liblzfse, disabling')
1385 if get_option('oss').allowed() and have_system
1386 if not cc.has_header('sys/soundcard.h')
1388 elif targetos == 'netbsd'
1389 oss = cc.find_library('ossaudio', required: get_option('oss'))
1391 oss = declare_dependency()
1395 if get_option('oss').enabled()
1396 error('OSS not found')
1401 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1402 if cc.has_header('dsound.h')
1403 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1406 if not dsound.found()
1407 if get_option('dsound').enabled()
1408 error('DirectSound not found')
1413 coreaudio = not_found
1414 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1415 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1416 required: get_option('coreaudio'))
1420 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1421 epoxy = dependency('epoxy', method: 'pkg-config',
1422 required: get_option('opengl'))
1423 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1425 elif get_option('opengl').enabled()
1426 error('epoxy/egl.h not found')
1430 if (have_system or have_tools) and (virgl.found() or opengl.found())
1431 gbm = dependency('gbm', method: 'pkg-config', required: false)
1433 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1436 gnutls_crypto = not_found
1437 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1438 # For general TLS support our min gnutls matches
1439 # that implied by our platform support matrix
1441 # For the crypto backends, we look for a newer
1444 # Version 3.6.8 is needed to get XTS
1445 # Version 3.6.13 is needed to get PBKDF
1446 # Version 3.6.14 is needed to get HW accelerated XTS
1448 # If newer enough gnutls isn't available, we can
1449 # still use a different crypto backend to satisfy
1450 # the platform support requirements
1451 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1452 method: 'pkg-config',
1454 if gnutls_crypto.found()
1455 gnutls = gnutls_crypto
1457 # Our min version if all we need is TLS
1458 gnutls = dependency('gnutls', version: '>=3.5.18',
1459 method: 'pkg-config',
1460 required: get_option('gnutls'))
1464 # We prefer use of gnutls for crypto, unless the options
1465 # explicitly asked for nettle or gcrypt.
1467 # If gnutls isn't available for crypto, then we'll prefer
1468 # gcrypt over nettle for performance reasons.
1474 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1475 error('Only one of gcrypt & nettle can be enabled')
1478 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1479 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1480 gnutls_crypto = not_found
1483 if not gnutls_crypto.found()
1484 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1485 gcrypt = dependency('libgcrypt', version: '>=1.8',
1486 method: 'config-tool',
1487 required: get_option('gcrypt'))
1488 # Debian has removed -lgpg-error from libgcrypt-config
1489 # as it "spreads unnecessary dependencies" which in
1490 # turn breaks static builds...
1491 if gcrypt.found() and get_option('prefer_static')
1492 gcrypt = declare_dependency(dependencies:
1494 cc.find_library('gpg-error', required: true)],
1495 version: gcrypt.version())
1498 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1499 nettle = dependency('nettle', version: '>=3.4',
1500 method: 'pkg-config',
1501 required: get_option('nettle'))
1502 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1508 gmp = dependency('gmp', required: false, method: 'pkg-config')
1509 if nettle.found() and gmp.found()
1510 hogweed = dependency('hogweed', version: '>=3.4',
1511 method: 'pkg-config',
1512 required: get_option('nettle'))
1519 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1521 if not get_option('gtk').auto() or have_system
1522 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1523 method: 'pkg-config',
1524 required: get_option('gtk'))
1526 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1527 method: 'pkg-config',
1529 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1530 version: gtk.version())
1532 if not get_option('vte').auto() or have_system
1533 vte = dependency('vte-2.91',
1534 method: 'pkg-config',
1535 required: get_option('vte'))
1537 elif have_gtk_clipboard
1538 error('GTK clipboard requested, but GTK not found')
1544 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1547 if get_option('png').allowed() and have_system
1548 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1549 method: 'pkg-config')
1554 if get_option('vnc').allowed() and have_system
1555 vnc = declare_dependency() # dummy dependency
1556 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1557 method: 'pkg-config')
1558 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1559 required: get_option('vnc_sasl'))
1561 sasl = declare_dependency(dependencies: sasl,
1562 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1567 if not get_option('auth_pam').auto() or have_system
1568 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1569 required: get_option('auth_pam'))
1571 if pam.found() and not cc.links('''
1573 #include <security/pam_appl.h>
1575 const char *service_name = "qemu";
1576 const char *user = "frank";
1577 const struct pam_conv pam_conv = { 0 };
1578 pam_handle_t *pamh = NULL;
1579 pam_start(service_name, user, &pam_conv, &pamh);
1581 }''', dependencies: pam)
1583 if get_option('auth_pam').enabled()
1584 error('could not link libpam')
1586 warning('could not link libpam, disabling')
1591 if not get_option('snappy').auto() or have_system
1592 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1593 required: get_option('snappy'))
1595 if snappy.found() and not linker.links('''
1596 #include <snappy-c.h>
1597 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1599 if get_option('snappy').enabled()
1600 error('could not link libsnappy')
1602 warning('could not link libsnappy, disabling')
1607 if not get_option('lzo').auto() or have_system
1608 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1609 required: get_option('lzo'))
1611 if lzo.found() and not cc.links('''
1612 #include <lzo/lzo1x.h>
1613 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1615 if get_option('lzo').enabled()
1616 error('could not link liblzo2')
1618 warning('could not link liblzo2, disabling')
1623 if not get_option('numa').auto() or have_system or have_tools
1624 numa = cc.find_library('numa', has_headers: ['numa.h'],
1625 required: get_option('numa'))
1627 if numa.found() and not cc.links('''
1629 int main(void) { return numa_available(); }
1630 ''', dependencies: numa)
1632 if get_option('numa').enabled()
1633 error('could not link numa')
1635 warning('could not link numa, disabling')
1640 if not get_option('rdma').auto() or have_system
1641 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1642 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1643 required: get_option('rdma')),
1644 cc.find_library('ibverbs', required: get_option('rdma')),
1646 rdma = declare_dependency(dependencies: rdma_libs)
1647 foreach lib: rdma_libs
1655 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1656 xencontrol = dependency('xencontrol', required: false,
1657 method: 'pkg-config')
1658 if xencontrol.found()
1659 xen_pc = declare_dependency(version: xencontrol.version(),
1662 # disabler: true makes xen_pc.found() return false if any is not found
1663 dependency('xenstore', required: false,
1664 method: 'pkg-config',
1666 dependency('xenforeignmemory', required: false,
1667 method: 'pkg-config',
1669 dependency('xengnttab', required: false,
1670 method: 'pkg-config',
1672 dependency('xenevtchn', required: false,
1673 method: 'pkg-config',
1675 dependency('xendevicemodel', required: false,
1676 method: 'pkg-config',
1678 # optional, no "disabler: true"
1679 dependency('xentoolcore', required: false,
1680 method: 'pkg-config')])
1686 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1688 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1689 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1690 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1692 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1695 foreach ver: xen_tests
1696 # cache the various library tests to avoid polluting the logs
1698 foreach l: xen_libs[ver]
1699 if l not in xen_deps
1700 xen_deps += { l: cc.find_library(l, required: false) }
1702 xen_test_deps += xen_deps[l]
1705 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1706 xen_version = ver.split('.')
1707 xen_ctrl_version = xen_version[0] + \
1708 ('0' + xen_version[1]).substring(-2) + \
1709 ('0' + xen_version[2]).substring(-2)
1710 if cc.links(files('scripts/xen-detect.c'),
1711 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1712 dependencies: xen_test_deps)
1713 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1719 accelerators += 'CONFIG_XEN'
1720 elif get_option('xen').enabled()
1721 error('could not compile and link Xen test program')
1724 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1725 .require(xen.found(),
1726 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1727 .require(targetos == 'linux',
1728 error_message: 'Xen PCI passthrough not available on this platform') \
1729 .require(cpu == 'x86' or cpu == 'x86_64',
1730 error_message: 'Xen PCI passthrough not available on this platform') \
1735 if not get_option('smartcard').auto() or have_system
1736 cacard = dependency('libcacard', required: get_option('smartcard'),
1737 version: '>=2.5.1', method: 'pkg-config')
1741 u2f = dependency('u2f-emu', required: get_option('u2f'),
1742 method: 'pkg-config')
1746 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1747 method: 'pkg-config')
1749 usbredir = not_found
1750 if not get_option('usb_redir').auto() or have_system
1751 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1752 version: '>=0.6', method: 'pkg-config')
1755 if not get_option('libusb').auto() or have_system
1756 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1757 version: '>=1.0.13', method: 'pkg-config')
1761 if not get_option('libpmem').auto() or have_system
1762 libpmem = dependency('libpmem', required: get_option('libpmem'),
1763 method: 'pkg-config')
1765 libdaxctl = not_found
1766 if not get_option('libdaxctl').auto() or have_system
1767 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1768 version: '>=57', method: 'pkg-config')
1772 tasn1 = dependency('libtasn1',
1773 method: 'pkg-config')
1775 keyutils = not_found
1776 if get_option('keyring').enabled()
1777 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1780 has_gettid = cc.has_function('gettid')
1783 selinux = dependency('libselinux',
1784 required: get_option('selinux'),
1785 method: 'pkg-config')
1790 if get_option('malloc') == 'system'
1792 get_option('malloc_trim').allowed() and \
1793 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1795 has_malloc_trim = false
1796 malloc = cc.find_library(get_option('malloc'), required: true)
1798 if not has_malloc_trim and get_option('malloc_trim').enabled()
1799 if get_option('malloc') == 'system'
1800 error('malloc_trim not available on this platform.')
1802 error('malloc_trim not available with non-libc memory allocator')
1806 gnu_source_prefix = '''
1812 # Check whether the glibc provides STATX_BASIC_STATS
1814 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1816 # Check whether statx() provides mount ID information
1818 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1820 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1821 .require(targetos == 'linux',
1822 error_message: 'vhost_user_blk_server requires linux') \
1823 .require(have_vhost_user,
1824 error_message: 'vhost_user_blk_server requires vhost-user support') \
1825 .disable_auto_if(not have_tools and not have_system) \
1828 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1829 error('Cannot enable fuse-lseek while fuse is disabled')
1832 fuse = dependency('fuse3', required: get_option('fuse'),
1833 version: '>=3.1', method: 'pkg-config')
1835 fuse_lseek = not_found
1836 if get_option('fuse_lseek').allowed()
1837 if fuse.version().version_compare('>=3.8')
1839 fuse_lseek = declare_dependency()
1840 elif get_option('fuse_lseek').enabled()
1842 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1844 error('fuse-lseek requires libfuse, which was not found')
1849 have_libvduse = (targetos == 'linux')
1850 if get_option('libvduse').enabled()
1851 if targetos != 'linux'
1852 error('libvduse requires linux')
1854 elif get_option('libvduse').disabled()
1855 have_libvduse = false
1858 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1859 if get_option('vduse_blk_export').enabled()
1860 if targetos != 'linux'
1861 error('vduse_blk_export requires linux')
1862 elif not have_libvduse
1863 error('vduse_blk_export requires libvduse support')
1865 elif get_option('vduse_blk_export').disabled()
1866 have_vduse_blk_export = false
1870 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1871 if libbpf.found() and not cc.links('''
1872 #include <bpf/libbpf.h>
1875 bpf_object__destroy_skeleton(NULL);
1877 }''', dependencies: libbpf)
1879 if get_option('bpf').enabled()
1880 error('libbpf skeleton test failed')
1882 warning('libbpf skeleton test failed, disabling')
1888 if not get_option('libdw').auto() or \
1889 (not get_option('prefer_static') and (have_system or have_user))
1890 libdw = dependency('libdw',
1891 method: 'pkg-config',
1892 required: get_option('libdw'))
1899 audio_drivers_selected = []
1901 audio_drivers_available = {
1902 'alsa': alsa.found(),
1903 'coreaudio': coreaudio.found(),
1904 'dsound': dsound.found(),
1905 'jack': jack.found(),
1907 'pa': pulse.found(),
1908 'pipewire': pipewire.found(),
1910 'sndio': sndio.found(),
1912 foreach k, v: audio_drivers_available
1913 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1916 # Default to native drivers first, OSS second, SDL third
1917 audio_drivers_priority = \
1918 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1919 (targetos == 'linux' ? [] : [ 'sdl' ])
1920 audio_drivers_default = []
1921 foreach k: audio_drivers_priority
1922 if audio_drivers_available[k]
1923 audio_drivers_default += k
1927 foreach k: get_option('audio_drv_list')
1929 audio_drivers_selected += audio_drivers_default
1930 elif not audio_drivers_available[k]
1931 error('Audio driver "@0@" not available.'.format(k))
1933 audio_drivers_selected += k
1937 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1938 '"' + '", "'.join(audio_drivers_selected) + '", ')
1940 if get_option('cfi')
1942 # Check for dependency on LTO
1943 if not get_option('b_lto')
1944 error('Selected Control-Flow Integrity but LTO is disabled')
1947 error('Selected Control-Flow Integrity is not compatible with modules')
1949 # Check for cfi flags. CFI requires LTO so we can't use
1950 # get_supported_arguments, but need a more complex "compiles" which allows
1952 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1953 args: ['-flto', '-fsanitize=cfi-icall'] )
1954 cfi_flags += '-fsanitize=cfi-icall'
1956 error('-fsanitize=cfi-icall is not supported by the compiler')
1958 if cc.compiles('int main () { return 0; }',
1959 name: '-fsanitize-cfi-icall-generalize-pointers',
1960 args: ['-flto', '-fsanitize=cfi-icall',
1961 '-fsanitize-cfi-icall-generalize-pointers'] )
1962 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1964 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1966 if get_option('cfi_debug')
1967 if cc.compiles('int main () { return 0; }',
1968 name: '-fno-sanitize-trap=cfi-icall',
1969 args: ['-flto', '-fsanitize=cfi-icall',
1970 '-fno-sanitize-trap=cfi-icall'] )
1971 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1973 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1976 add_global_arguments(cfi_flags, native: false, language: all_languages)
1977 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1980 have_host_block_device = (targetos != 'darwin' or
1981 cc.has_header('IOKit/storage/IOMedia.h'))
1983 dbus_display = get_option('dbus_display') \
1984 .require(gio.version().version_compare('>=2.64'),
1985 error_message: '-display dbus requires glib>=2.64') \
1986 .require(gdbus_codegen.found(),
1987 error_message: gdbus_codegen_error.format('-display dbus')) \
1988 .require(targetos != 'windows',
1989 error_message: '-display dbus is not available on Windows') \
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_PROFILER', get_option('profiler'))
2125 config_host_data.set('CONFIG_RBD', rbd.found())
2126 config_host_data.set('CONFIG_RDMA', rdma.found())
2127 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2128 config_host_data.set('CONFIG_SDL', sdl.found())
2129 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2130 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2132 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2134 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2135 config_host_data.set('CONFIG_TPM', have_tpm)
2136 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2137 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2138 config_host_data.set('CONFIG_VDE', vde.found())
2139 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2140 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2141 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2142 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2143 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2144 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2145 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2146 config_host_data.set('CONFIG_VMNET', vmnet.found())
2147 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2148 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2149 config_host_data.set('CONFIG_PNG', png.found())
2150 config_host_data.set('CONFIG_VNC', vnc.found())
2151 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2152 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2153 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2154 config_host_data.set('CONFIG_VTE', vte.found())
2155 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2156 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2157 config_host_data.set('CONFIG_GETTID', has_gettid)
2158 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2159 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2160 config_host_data.set('CONFIG_TASN1', tasn1.found())
2161 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2162 config_host_data.set('CONFIG_NETTLE', nettle.found())
2163 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2164 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2165 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2166 config_host_data.set('CONFIG_STATX', has_statx)
2167 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2168 config_host_data.set('CONFIG_ZSTD', zstd.found())
2169 config_host_data.set('CONFIG_FUSE', fuse.found())
2170 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2171 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2172 if spice_protocol.found()
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2174 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2175 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2177 config_host_data.set('CONFIG_SPICE', spice.found())
2178 config_host_data.set('CONFIG_X11', x11.found())
2179 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2180 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2181 config_host_data.set('CONFIG_SELINUX', selinux.found())
2182 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2183 config_host_data.set('CONFIG_LIBDW', libdw.found())
2185 # protect from xen.version() having less than three components
2186 xen_version = xen.version().split('.') + ['0', '0']
2187 xen_ctrl_version = xen_version[0] + \
2188 ('0' + xen_version[1]).substring(-2) + \
2189 ('0' + xen_version[2]).substring(-2)
2190 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2192 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2193 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2194 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2195 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2197 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2198 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2200 have_coroutine_pool = get_option('coroutine_pool')
2201 if get_option('debug_stack_usage') and have_coroutine_pool
2202 message('Disabling coroutine pool to measure stack usage')
2203 have_coroutine_pool = false
2205 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2206 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2207 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2208 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2209 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2210 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2211 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2212 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2215 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2216 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2217 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2218 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2219 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2220 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2221 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2222 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2223 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2224 if targetos == 'windows'
2225 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2229 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2230 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2231 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2232 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2233 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2234 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2235 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2236 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2237 # Note that we need to specify prefix: here to avoid incorrectly
2238 # thinking that Windows has posix_memalign()
2239 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2240 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2241 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2242 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2243 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2244 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2245 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2246 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2247 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2248 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2249 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2250 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2251 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2252 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2253 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2254 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2255 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2256 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2258 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2259 cc.has_function('rbd_namespace_exists',
2261 prefix: '#include <rbd/librbd.h>'))
2264 config_host_data.set('HAVE_IBV_ADVISE_MR',
2265 cc.has_function('ibv_advise_mr',
2267 prefix: '#include <infiniband/verbs.h>'))
2270 have_asan_fiber = false
2271 if get_option('sanitizers') and \
2272 not cc.has_function('__sanitizer_start_switch_fiber',
2273 args: '-fsanitize=address',
2274 prefix: '#include <sanitizer/asan_interface.h>')
2275 warning('Missing ASAN due to missing fiber annotation interface')
2276 warning('Without code annotation, the report may be inferior.')
2278 have_asan_fiber = true
2280 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2283 config_host_data.set('CONFIG_BLKZONED',
2284 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2285 config_host_data.set('CONFIG_EPOLL_CREATE1',
2286 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2287 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2289 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2290 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2291 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2292 config_host_data.set('CONFIG_FIEMAP',
2293 cc.has_header('linux/fiemap.h') and
2294 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2295 config_host_data.set('CONFIG_GETRANDOM',
2296 cc.has_function('getrandom') and
2297 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2298 config_host_data.set('CONFIG_INOTIFY',
2299 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2300 config_host_data.set('CONFIG_INOTIFY1',
2301 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2302 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2303 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2304 config_host_data.set('CONFIG_RTNETLINK',
2305 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2306 config_host_data.set('CONFIG_SYSMACROS',
2307 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2308 config_host_data.set('HAVE_OPTRESET',
2309 cc.has_header_symbol('getopt.h', 'optreset'))
2310 config_host_data.set('HAVE_IPPROTO_MPTCP',
2311 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2314 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2315 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2316 prefix: '#include <signal.h>'))
2317 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2318 cc.has_member('struct stat', 'st_atim',
2319 prefix: '#include <sys/stat.h>'))
2320 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2321 cc.has_member('struct blk_zone', 'capacity',
2322 prefix: '#include <linux/blkzoned.h>'))
2325 config_host_data.set('CONFIG_IOVEC',
2326 cc.has_type('struct iovec',
2327 prefix: '#include <sys/uio.h>'))
2328 config_host_data.set('HAVE_UTMPX',
2329 cc.has_type('struct utmpx',
2330 prefix: '#include <utmpx.h>'))
2332 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2333 #include <sys/eventfd.h>
2334 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2335 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2338 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2339 return fdatasync(0);
2341 #error Not supported
2345 has_madvise = cc.links(gnu_source_prefix + '''
2346 #include <sys/types.h>
2347 #include <sys/mman.h>
2349 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2350 missing_madvise_proto = false
2352 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2353 # but forget to prototype it. In this case, has_madvise will be true (the
2354 # test program links despite a compile warning). To detect the
2355 # missing-prototype case, we try again with a definitely-bogus prototype.
2356 # This will only compile if the system headers don't provide the prototype;
2357 # otherwise the conflicting prototypes will cause a compiler error.
2358 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2359 #include <sys/types.h>
2360 #include <sys/mman.h>
2362 extern int madvise(int);
2363 int main(void) { return madvise(0); }''')
2365 config_host_data.set('CONFIG_MADVISE', has_madvise)
2366 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2368 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2369 #include <sys/mman.h>
2370 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2371 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2373 #if !defined(AT_EMPTY_PATH)
2374 # error missing definition
2376 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2378 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2379 #include <sys/mman.h>
2381 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2383 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2384 #include <pthread.h>
2386 static void *f(void *p) { return NULL; }
2390 pthread_create(&thread, 0, f, 0);
2391 pthread_setname_np(thread, "QEMU");
2393 }''', dependencies: threads))
2394 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2395 #include <pthread.h>
2397 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2401 pthread_create(&thread, 0, f, 0);
2403 }''', dependencies: threads))
2404 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2405 #include <pthread.h>
2406 #include <pthread_np.h>
2408 static void *f(void *p) { return NULL; }
2412 pthread_create(&thread, 0, f, 0);
2413 pthread_set_name_np(thread, "QEMU");
2415 }''', dependencies: threads))
2416 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2417 #include <pthread.h>
2422 pthread_condattr_t attr
2423 pthread_condattr_init(&attr);
2424 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2426 }''', dependencies: threads))
2427 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2428 #include <pthread.h>
2430 static void *f(void *p) { return NULL; }
2433 int setsize = CPU_ALLOC_SIZE(64);
2436 pthread_create(&thread, 0, f, 0);
2437 cpuset = CPU_ALLOC(64);
2438 CPU_ZERO_S(setsize, cpuset);
2439 pthread_setaffinity_np(thread, setsize, cpuset);
2440 pthread_getaffinity_np(thread, setsize, cpuset);
2443 }''', dependencies: threads))
2444 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2445 #include <sys/signalfd.h>
2447 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2448 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2456 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2457 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2461 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2462 #include <sys/mman.h>
2464 return mlockall(MCL_FUTURE);
2468 if get_option('l2tpv3').allowed() and have_system
2469 have_l2tpv3 = cc.has_type('struct mmsghdr',
2470 prefix: gnu_source_prefix + '''
2471 #include <sys/socket.h>
2472 #include <linux/ip.h>''')
2474 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2477 if get_option('netmap').allowed() and have_system
2478 have_netmap = cc.compiles('''
2479 #include <inttypes.h>
2481 #include <net/netmap.h>
2482 #include <net/netmap_user.h>
2483 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2486 int main(void) { return 0; }''')
2487 if not have_netmap and get_option('netmap').enabled()
2488 error('Netmap headers not available')
2491 config_host_data.set('CONFIG_NETMAP', have_netmap)
2493 # Work around a system header bug with some kernel/XFS header
2494 # versions where they both try to define 'struct fsxattr':
2495 # xfs headers will not try to redefine structs from linux headers
2496 # if this macro is set.
2497 config_host_data.set('HAVE_FSXATTR', cc.links('''
2498 #include <linux/fs.h>
2504 # Some versions of Mac OS X incorrectly define SIZE_MAX
2505 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2509 return printf("%zu", SIZE_MAX);
2510 }''', args: ['-Werror']))
2512 # See if 64-bit atomic operations are supported.
2513 # Note that without __atomic builtins, we can only
2514 # assume atomic loads/stores max at pointer size.
2515 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2519 uint64_t x = 0, y = 0;
2520 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2521 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2522 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2523 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2524 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2528 has_int128_type = cc.compiles('''
2531 int main(void) { b = a; }''')
2532 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2534 has_int128 = has_int128_type and cc.links('''
2543 config_host_data.set('CONFIG_INT128', has_int128)
2546 # "do we have 128-bit atomics which are handled inline and specifically not
2547 # via libatomic". The reason we can't use libatomic is documented in the
2548 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2549 # We only care about these operations on 16-byte aligned pointers, so
2550 # force 16-byte alignment of the pointer, which may be greater than
2551 # __alignof(unsigned __int128) for the host.
2552 atomic_test_128 = '''
2553 int main(int ac, char **av) {
2554 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2555 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2556 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2557 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2560 has_atomic128 = cc.links(atomic_test_128)
2562 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2564 if not has_atomic128
2565 # Even with __builtin_assume_aligned, the above test may have failed
2566 # without optimization enabled. Try again with optimizations locally
2567 # enabled for the function. See
2568 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2569 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2570 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2572 if not has_atomic128_opt
2573 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2576 __uint128_t x = 0, y = 0;
2577 __sync_val_compare_and_swap_16(&x, y, x);
2585 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2586 #include <sys/auxv.h>
2588 return getauxval(AT_HWCAP) == 0;
2591 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2592 #include <linux/usbdevice_fs.h>
2594 #ifndef USBDEVFS_GET_CAPABILITIES
2595 #error "USBDEVFS_GET_CAPABILITIES undefined"
2598 #ifndef USBDEVFS_DISCONNECT_CLAIM
2599 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2602 int main(void) { return 0; }'''))
2604 have_keyring = get_option('keyring') \
2605 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2606 .require(cc.compiles('''
2608 #include <asm/unistd.h>
2609 #include <linux/keyctl.h>
2610 #include <sys/syscall.h>
2613 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2614 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2615 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2617 have_cpuid_h = cc.links('''
2620 unsigned a, b, c, d;
2621 unsigned max = __get_cpuid_max(0, 0);
2624 __cpuid(1, a, b, c, d);
2628 __cpuid_count(7, 0, a, b, c, d);
2633 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2635 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2636 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2637 .require(cc.links('''
2639 #include <immintrin.h>
2640 static int __attribute__((target("avx2"))) bar(void *a) {
2641 __m256i x = *(__m256i *)a;
2642 return _mm256_testz_si256(x, x);
2644 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2645 '''), error_message: 'AVX2 not available').allowed())
2647 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2648 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2649 .require(cc.links('''
2651 #include <immintrin.h>
2652 static int __attribute__((target("avx512f"))) bar(void *a) {
2653 __m512i x = *(__m512i *)a;
2654 return _mm512_test_epi64_mask(x, x);
2656 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2657 '''), error_message: 'AVX512F not available').allowed())
2659 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2660 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2661 .require(cc.links('''
2663 #include <immintrin.h>
2664 static int __attribute__((target("avx512bw"))) bar(void *a) {
2666 __m512i res= _mm512_abs_epi8(*x);
2669 int main(int argc, char *argv[]) { return bar(argv[0]); }
2670 '''), error_message: 'AVX512BW not available').allowed())
2672 have_pvrdma = get_option('pvrdma') \
2673 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2674 .require(cc.compiles(gnu_source_prefix + '''
2675 #include <sys/mman.h>
2680 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2683 }'''), error_message: 'PVRDMA requires mremap').allowed()
2686 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2687 #include <infiniband/verbs.h>
2691 struct ibv_pd *pd = NULL;
2697 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2703 if get_option('membarrier').disabled()
2704 have_membarrier = false
2705 elif targetos == 'windows'
2706 have_membarrier = true
2707 elif targetos == 'linux'
2708 have_membarrier = cc.compiles('''
2709 #include <linux/membarrier.h>
2710 #include <sys/syscall.h>
2714 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2715 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2719 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2720 .require(have_membarrier, error_message: 'membarrier system call not available') \
2723 have_afalg = get_option('crypto_afalg') \
2724 .require(cc.compiles(gnu_source_prefix + '''
2726 #include <sys/types.h>
2727 #include <sys/socket.h>
2728 #include <linux/if_alg.h>
2731 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2734 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2735 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2737 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2738 'linux/vm_sockets.h', 'AF_VSOCK',
2739 prefix: '#include <sys/socket.h>',
2743 have_vss_sdk = false # old xp/2003 SDK
2744 if targetos == 'windows' and link_language == 'cpp'
2745 have_vss = cxx.compiles('''
2746 #define __MIDL_user_allocate_free_DEFINED__
2748 int main(void) { return VSS_CTX_BACKUP; }''')
2749 have_vss_sdk = cxx.has_header('vscoordint.h')
2751 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2753 foreach k, v: config_host
2754 if k.startswith('CONFIG_')
2755 config_host_data.set(k, v == 'y' ? 1 : v)
2759 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2760 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2761 if targetos == 'windows'
2762 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2768 }''', name: '_lock_file and _unlock_file'))
2771 if targetos == 'windows'
2772 mingw_has_setjmp_longjmp = cc.links('''
2776 * These functions are not available in setjmp header, but may be
2777 * available at link time, from libmingwex.a.
2779 extern int __mingw_setjmp(jmp_buf);
2780 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2782 __mingw_setjmp(env);
2783 __mingw_longjmp(env, 0);
2785 ''', name: 'mingw setjmp and longjmp')
2787 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2788 error('mingw must provide setjmp/longjmp for windows-arm64')
2792 ########################
2793 # Target configuration #
2794 ########################
2796 minikconf = find_program('scripts/minikconf.py')
2798 config_all_devices = {}
2799 config_all_disas = {}
2800 config_devices_mak_list = []
2801 config_devices_h = {}
2802 config_target_h = {}
2803 config_target_mak = {}
2806 'alpha' : ['CONFIG_ALPHA_DIS'],
2807 'avr' : ['CONFIG_AVR_DIS'],
2808 'cris' : ['CONFIG_CRIS_DIS'],
2809 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2810 'hppa' : ['CONFIG_HPPA_DIS'],
2811 'i386' : ['CONFIG_I386_DIS'],
2812 'x86_64' : ['CONFIG_I386_DIS'],
2813 'm68k' : ['CONFIG_M68K_DIS'],
2814 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2815 'mips' : ['CONFIG_MIPS_DIS'],
2816 'nios2' : ['CONFIG_NIOS2_DIS'],
2817 'or1k' : ['CONFIG_OPENRISC_DIS'],
2818 'ppc' : ['CONFIG_PPC_DIS'],
2819 'riscv' : ['CONFIG_RISCV_DIS'],
2820 'rx' : ['CONFIG_RX_DIS'],
2821 's390' : ['CONFIG_S390_DIS'],
2822 'sh4' : ['CONFIG_SH4_DIS'],
2823 'sparc' : ['CONFIG_SPARC_DIS'],
2824 'xtensa' : ['CONFIG_XTENSA_DIS'],
2825 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2828 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2830 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2831 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2832 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2833 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2834 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2835 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2836 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2837 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2838 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2839 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2840 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2841 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2842 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2843 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2845 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2847 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2848 actual_target_dirs = []
2850 foreach target : target_dirs
2851 config_target = { 'TARGET_NAME': target.split('-')[0] }
2852 if target.endswith('linux-user')
2853 if targetos != 'linux'
2857 error('Target @0@ is only available on a Linux host'.format(target))
2859 config_target += { 'CONFIG_LINUX_USER': 'y' }
2860 elif target.endswith('bsd-user')
2861 if 'CONFIG_BSD' not in config_host
2865 error('Target @0@ is only available on a BSD host'.format(target))
2867 config_target += { 'CONFIG_BSD_USER': 'y' }
2868 elif target.endswith('softmmu')
2869 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2870 config_target += { 'CONFIG_SOFTMMU': 'y' }
2872 if target.endswith('-user')
2874 'CONFIG_USER_ONLY': 'y',
2875 'CONFIG_QEMU_INTERP_PREFIX':
2876 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2881 foreach sym: accelerators
2882 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2883 config_target += { sym: 'y' }
2884 config_all += { sym: 'y' }
2885 if target in modular_tcg
2886 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2888 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2890 accel_kconfig += [ sym + '=y' ]
2893 if accel_kconfig.length() == 0
2897 error('No accelerator available for target @0@'.format(target))
2900 actual_target_dirs += target
2901 config_target += keyval.load('configs/targets' / target + '.mak')
2902 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2904 if 'TARGET_NEED_FDT' in config_target
2905 fdt_required += target
2909 if 'TARGET_BASE_ARCH' not in config_target
2910 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2912 if 'TARGET_ABI_DIR' not in config_target
2913 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2915 if 'TARGET_BIG_ENDIAN' not in config_target
2916 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2919 foreach k, v: disassemblers
2920 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2922 config_target += { sym: 'y' }
2923 config_all_disas += { sym: 'y' }
2928 config_target_data = configuration_data()
2929 foreach k, v: config_target
2930 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2932 elif ignored.contains(k)
2934 elif k == 'TARGET_BASE_ARCH'
2935 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2936 # not used to select files from sourcesets.
2937 config_target_data.set('TARGET_' + v.to_upper(), 1)
2938 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2939 config_target_data.set_quoted(k, v)
2941 config_target_data.set(k, 1)
2943 config_target_data.set(k, 0)
2945 config_target_data.set(k, v)
2948 config_target_data.set('QEMU_ARCH',
2949 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2950 config_target_h += {target: configure_file(output: target + '-config-target.h',
2951 configuration: config_target_data)}
2953 if target.endswith('-softmmu')
2954 config_input = meson.get_external_property(target, 'default')
2955 config_devices_mak = target + '-config-devices.mak'
2956 config_devices_mak = configure_file(
2957 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2958 output: config_devices_mak,
2959 depfile: config_devices_mak + '.d',
2961 command: [minikconf,
2962 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2963 config_devices_mak, '@DEPFILE@', '@INPUT@',
2964 host_kconfig, accel_kconfig,
2965 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2967 config_devices_data = configuration_data()
2968 config_devices = keyval.load(config_devices_mak)
2969 foreach k, v: config_devices
2970 config_devices_data.set(k, 1)
2972 config_devices_mak_list += config_devices_mak
2973 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2974 configuration: config_devices_data)}
2975 config_target += config_devices
2976 config_all_devices += config_devices
2978 config_target_mak += {target: config_target}
2980 target_dirs = actual_target_dirs
2982 # This configuration is used to build files that are shared by
2983 # multiple binaries, and then extracted out of the "common"
2984 # static_library target.
2986 # We do not use all_sources()/all_dependencies(), because it would
2987 # build literally all source files, including devices only used by
2988 # targets that are not built for this compilation. The CONFIG_ALL
2989 # pseudo symbol replaces it.
2991 config_all += config_all_devices
2992 config_all += config_host
2993 config_all += config_all_disas
2995 'CONFIG_XEN': xen.found(),
2996 'CONFIG_SYSTEM_ONLY': have_system,
2997 'CONFIG_USER_ONLY': have_user,
3001 target_configs_h = []
3002 foreach target: target_dirs
3003 target_configs_h += config_target_h[target]
3004 target_configs_h += config_devices_h.get(target, [])
3006 genh += custom_target('config-poison.h',
3007 input: [target_configs_h],
3008 output: 'config-poison.h',
3010 command: [find_program('scripts/make-config-poison.sh'),
3017 capstone = not_found
3018 if not get_option('capstone').auto() or have_system or have_user
3019 capstone = dependency('capstone', version: '>=3.0.5',
3020 method: 'pkg-config',
3021 required: get_option('capstone'))
3023 # Some versions of capstone have broken pkg-config file
3024 # that reports a wrong -I path, causing the #include to
3025 # fail later. If the system has such a broken version
3027 if capstone.found() and not cc.compiles('#include <capstone.h>',
3028 dependencies: [capstone])
3029 capstone = not_found
3030 if get_option('capstone').enabled()
3031 error('capstone requested, but it does not appear to work')
3036 libvfio_user_dep = not_found
3037 if have_system and vfio_user_server_allowed
3038 libvfio_user_proj = subproject('libvfio-user', required: true)
3039 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3043 fdt_opt = get_option('fdt')
3044 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3045 if fdt_opt == 'disabled'
3046 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3049 if fdt_opt in ['enabled', 'auto', 'system']
3050 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3051 if fdt.found() and cc.links('''
3053 #include <libfdt_env.h>
3054 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3057 elif fdt_opt == 'system'
3058 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3060 fdt_opt = 'internal'
3065 assert(fdt_opt == 'internal')
3066 libfdt_proj = subproject('dtc', required: true,
3067 default_options: ['tools=false', 'yaml=disabled',
3068 'python=disabled', 'default_library=static'])
3069 fdt = libfdt_proj.get_variable('libfdt_dep')
3072 fdt_opt = 'disabled'
3075 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3076 config_host_data.set('CONFIG_FDT', fdt.found())
3077 config_host_data.set('CONFIG_SLIRP', slirp.found())
3079 #####################
3080 # Generated sources #
3081 #####################
3083 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3085 hxtool = find_program('scripts/hxtool')
3086 shaderinclude = find_program('scripts/shaderinclude.py')
3087 qapi_gen = find_program('scripts/qapi-gen.py')
3088 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3089 meson.current_source_dir() / 'scripts/qapi/commands.py',
3090 meson.current_source_dir() / 'scripts/qapi/common.py',
3091 meson.current_source_dir() / 'scripts/qapi/error.py',
3092 meson.current_source_dir() / 'scripts/qapi/events.py',
3093 meson.current_source_dir() / 'scripts/qapi/expr.py',
3094 meson.current_source_dir() / 'scripts/qapi/gen.py',
3095 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3096 meson.current_source_dir() / 'scripts/qapi/main.py',
3097 meson.current_source_dir() / 'scripts/qapi/parser.py',
3098 meson.current_source_dir() / 'scripts/qapi/schema.py',
3099 meson.current_source_dir() / 'scripts/qapi/source.py',
3100 meson.current_source_dir() / 'scripts/qapi/types.py',
3101 meson.current_source_dir() / 'scripts/qapi/visit.py',
3102 meson.current_source_dir() / 'scripts/qapi-gen.py'
3106 python, files('scripts/tracetool.py'),
3107 '--backend=' + ','.join(get_option('trace_backends'))
3109 tracetool_depends = files(
3110 'scripts/tracetool/backend/log.py',
3111 'scripts/tracetool/backend/__init__.py',
3112 'scripts/tracetool/backend/dtrace.py',
3113 'scripts/tracetool/backend/ftrace.py',
3114 'scripts/tracetool/backend/simple.py',
3115 'scripts/tracetool/backend/syslog.py',
3116 'scripts/tracetool/backend/ust.py',
3117 'scripts/tracetool/format/ust_events_c.py',
3118 'scripts/tracetool/format/ust_events_h.py',
3119 'scripts/tracetool/format/__init__.py',
3120 'scripts/tracetool/format/d.py',
3121 'scripts/tracetool/format/simpletrace_stap.py',
3122 'scripts/tracetool/format/c.py',
3123 'scripts/tracetool/format/h.py',
3124 'scripts/tracetool/format/log_stap.py',
3125 'scripts/tracetool/format/stap.py',
3126 'scripts/tracetool/__init__.py',
3127 'scripts/tracetool/vcpu.py'
3130 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3131 meson.current_source_dir(),
3132 get_option('pkgversion'), meson.project_version()]
3133 qemu_version = custom_target('qemu-version.h',
3134 output: 'qemu-version.h',
3135 command: qemu_version_cmd,
3137 build_by_default: true,
3138 build_always_stale: true)
3139 genh += qemu_version
3143 ['qemu-options.hx', 'qemu-options.def'],
3144 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3148 ['hmp-commands.hx', 'hmp-commands.h'],
3149 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3152 foreach d : hx_headers
3153 hxdep += custom_target(d[1],
3157 build_by_default: true, # to be removed when added to a target
3158 command: [hxtool, '-h', '@INPUT0@'])
3166 authz_ss = ss.source_set()
3167 blockdev_ss = ss.source_set()
3168 block_ss = ss.source_set()
3169 chardev_ss = ss.source_set()
3170 common_ss = ss.source_set()
3171 crypto_ss = ss.source_set()
3172 hwcore_ss = ss.source_set()
3173 io_ss = ss.source_set()
3174 qmp_ss = ss.source_set()
3175 qom_ss = ss.source_set()
3176 system_ss = ss.source_set()
3177 specific_fuzz_ss = ss.source_set()
3178 specific_ss = ss.source_set()
3179 stub_ss = ss.source_set()
3180 trace_ss = ss.source_set()
3181 user_ss = ss.source_set()
3182 util_ss = ss.source_set()
3185 qtest_module_ss = ss.source_set()
3186 tcg_module_ss = ss.source_set()
3192 target_softmmu_arch = {}
3193 target_user_arch = {}
3199 # TODO: add each directory to the subdirs from its own meson.build, once
3201 trace_events_subdirs = [
3210 trace_events_subdirs += [ 'linux-user' ]
3213 trace_events_subdirs += [ 'bsd-user' ]
3216 trace_events_subdirs += [
3225 trace_events_subdirs += [
3239 'hw/block/dataplane',
3289 if have_system or have_user
3290 trace_events_subdirs += [
3308 vhost_user = not_found
3309 if targetos == 'linux' and have_vhost_user
3310 libvhost_user = subproject('libvhost-user')
3311 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3314 libvduse = not_found
3316 libvduse_proj = subproject('libvduse')
3317 libvduse = libvduse_proj.get_variable('libvduse_dep')
3320 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3321 # that is filled in by qapi/.
3335 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3336 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3339 qom_ss = qom_ss.apply(config_host, strict: false)
3340 libqom = static_library('qom', qom_ss.sources() + genh,
3341 dependencies: [qom_ss.dependencies()],
3343 qom = declare_dependency(link_whole: libqom)
3345 event_loop_base = files('event-loop-base.c')
3346 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3347 build_by_default: true)
3348 event_loop_base = declare_dependency(link_whole: event_loop_base,
3349 dependencies: [qom])
3351 stub_ss = stub_ss.apply(config_all, strict: false)
3353 util_ss.add_all(trace_ss)
3354 util_ss = util_ss.apply(config_all, strict: false)
3355 libqemuutil = static_library('qemuutil',
3356 sources: util_ss.sources() + stub_ss.sources() + genh,
3357 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3358 qemuutil = declare_dependency(link_with: libqemuutil,
3359 sources: genh + version_res,
3360 dependencies: [event_loop_base])
3362 if have_system or have_user
3363 decodetree = generator(find_program('scripts/decodetree.py'),
3364 output: 'decode-@BASENAME@.c.inc',
3365 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3366 subdir('libdecnumber')
3383 if config_host_data.get('CONFIG_REPLICATION')
3384 block_ss.add(files('replication.c'))
3391 blockdev_ss.add(files(
3398 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3399 # os-win32.c does not
3400 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3401 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3404 common_ss.add(files('cpus-common.c'))
3405 specific_ss.add(files('cpu.c'))
3409 # Work around a gcc bug/misfeature wherein constant propagation looks
3411 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3412 # to guess that a const variable is always zero. Without lto, this is
3413 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3414 # without lto, not even the alias is required -- we simply use different
3415 # declarations in different compilation units.
3416 pagevary = files('page-vary-common.c')
3417 if get_option('b_lto')
3418 pagevary_flags = ['-fno-lto']
3419 if get_option('cfi')
3420 pagevary_flags += '-fno-sanitize=cfi-icall'
3422 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3423 c_args: pagevary_flags)
3424 pagevary = declare_dependency(link_with: pagevary)
3426 common_ss.add(pagevary)
3427 specific_ss.add(files('page-vary.c'))
3435 subdir('semihosting')
3443 common_user_inc = []
3445 subdir('common-user')
3447 subdir('linux-user')
3449 # needed for fuzzing binaries
3450 subdir('tests/qtest/libqos')
3451 subdir('tests/qtest/fuzz')
3454 tcg_real_module_ss = ss.source_set()
3455 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3456 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3457 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3458 'tcg': tcg_real_module_ss }}
3460 ########################
3461 # Library dependencies #
3462 ########################
3464 modinfo_collect = find_program('scripts/modinfo-collect.py')
3465 modinfo_generate = find_program('scripts/modinfo-generate.py')
3470 foreach d, list : modules
3471 if not (d == 'block' ? have_block : have_system)
3475 foreach m, module_ss : list
3477 module_ss = module_ss.apply(config_all, strict: false)
3478 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3479 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3485 if module_ss.sources() != []
3486 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3487 # input. Sources can be used multiple times but objects are
3488 # unique when it comes to lookup in compile_commands.json.
3489 # Depnds on a mesion version with
3490 # https://github.com/mesonbuild/meson/pull/8900
3491 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3492 output: d + '-' + m + '.modinfo',
3493 input: module_ss.sources() + genh,
3495 command: [modinfo_collect, module_ss.sources()])
3499 block_ss.add_all(module_ss)
3501 system_ss.add_all(module_ss)
3507 foreach d, list : target_modules
3508 foreach m, module_ss : list
3510 foreach target : target_dirs
3511 if target.endswith('-softmmu')
3512 config_target = config_target_mak[target]
3513 config_target += config_host
3514 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3515 c_args = ['-DNEED_CPU_H',
3516 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3517 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3518 target_module_ss = module_ss.apply(config_target, strict: false)
3519 if target_module_ss.sources() != []
3520 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3521 sl = static_library(module_name,
3522 [genh, target_module_ss.sources()],
3523 dependencies: [modulecommon, target_module_ss.dependencies()],
3524 include_directories: target_inc,
3528 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3529 modinfo_files += custom_target(module_name + '.modinfo',
3530 output: module_name + '.modinfo',
3531 input: target_module_ss.sources() + genh,
3533 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3538 specific_ss.add_all(module_ss)
3544 foreach target : target_dirs
3545 if target.endswith('-softmmu')
3546 config_target = config_target_mak[target]
3547 config_devices_mak = target + '-config-devices.mak'
3548 modinfo_src = custom_target('modinfo-' + target + '.c',
3549 output: 'modinfo-' + target + '.c',
3550 input: modinfo_files,
3551 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3554 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3555 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3557 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3558 hw_arch[arch].add(modinfo_dep)
3563 nm = find_program('nm')
3564 undefsym = find_program('scripts/undefsym.py')
3565 block_syms = custom_target('block.syms', output: 'block.syms',
3566 input: [libqemuutil, block_mods],
3568 command: [undefsym, nm, '@INPUT@'])
3569 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3570 input: [libqemuutil, softmmu_mods],
3572 command: [undefsym, nm, '@INPUT@'])
3574 authz_ss = authz_ss.apply(config_host, strict: false)
3575 libauthz = static_library('authz', authz_ss.sources() + genh,
3576 dependencies: [authz_ss.dependencies()],
3578 build_by_default: false)
3580 authz = declare_dependency(link_whole: libauthz,
3583 crypto_ss = crypto_ss.apply(config_host, strict: false)
3584 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3585 dependencies: [crypto_ss.dependencies()],
3587 build_by_default: false)
3589 crypto = declare_dependency(link_whole: libcrypto,
3590 dependencies: [authz, qom])
3592 io_ss = io_ss.apply(config_host, strict: false)
3593 libio = static_library('io', io_ss.sources() + genh,
3594 dependencies: [io_ss.dependencies()],
3595 link_with: libqemuutil,
3597 build_by_default: false)
3599 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3601 libmigration = static_library('migration', sources: migration_files + genh,
3603 build_by_default: false)
3604 migration = declare_dependency(link_with: libmigration,
3605 dependencies: [zlib, qom, io])
3606 system_ss.add(migration)
3608 block_ss = block_ss.apply(config_host, strict: false)
3609 libblock = static_library('block', block_ss.sources() + genh,
3610 dependencies: block_ss.dependencies(),
3611 link_depends: block_syms,
3613 build_by_default: false)
3615 block = declare_dependency(link_whole: [libblock],
3616 link_args: '@block.syms',
3617 dependencies: [crypto, io])
3619 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3620 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3621 dependencies: blockdev_ss.dependencies(),
3623 build_by_default: false)
3625 blockdev = declare_dependency(link_whole: [libblockdev],
3626 dependencies: [block, event_loop_base])
3628 qmp_ss = qmp_ss.apply(config_host, strict: false)
3629 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3630 dependencies: qmp_ss.dependencies(),
3632 build_by_default: false)
3634 qmp = declare_dependency(link_whole: [libqmp])
3636 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3638 dependencies: chardev_ss.dependencies(),
3639 build_by_default: false)
3641 chardev = declare_dependency(link_whole: libchardev)
3643 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3644 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3646 build_by_default: false)
3647 hwcore = declare_dependency(link_whole: libhwcore)
3648 common_ss.add(hwcore)
3654 emulator_modules = []
3655 foreach m : block_mods + softmmu_mods
3656 emulator_modules += shared_module(m.name(),
3657 build_by_default: true,
3661 install_dir: qemu_moddir)
3663 if emulator_modules.length() > 0
3664 alias_target('modules', emulator_modules)
3667 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3668 common_ss.add(qom, qemuutil)
3670 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3671 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3673 common_all = common_ss.apply(config_all, strict: false)
3674 common_all = static_library('common',
3675 build_by_default: false,
3676 sources: common_all.sources() + genh,
3677 include_directories: common_user_inc,
3678 implicit_include_directories: false,
3679 dependencies: common_all.dependencies(),
3682 feature_to_c = find_program('scripts/feature_to_c.sh')
3684 if targetos == 'darwin'
3685 entitlement = find_program('scripts/entitlement.sh')
3689 foreach target : target_dirs
3690 config_target = config_target_mak[target]
3691 target_name = config_target['TARGET_NAME']
3692 target_base_arch = config_target['TARGET_BASE_ARCH']
3693 arch_srcs = [config_target_h[target]]
3695 c_args = ['-DNEED_CPU_H',
3696 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3697 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3698 link_args = emulator_link_args
3700 config_target += config_host
3701 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3702 if targetos == 'linux'
3703 target_inc += include_directories('linux-headers', is_system: true)
3705 if target.endswith('-softmmu')
3706 target_type='system'
3707 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3708 arch_srcs += t.sources()
3709 arch_deps += t.dependencies()
3711 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3712 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3713 arch_srcs += hw.sources()
3714 arch_deps += hw.dependencies()
3716 arch_srcs += config_devices_h[target]
3717 link_args += ['@block.syms', '@qemu.syms']
3719 abi = config_target['TARGET_ABI_DIR']
3721 target_inc += common_user_inc
3722 if target_base_arch in target_user_arch
3723 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3724 arch_srcs += t.sources()
3725 arch_deps += t.dependencies()
3727 if 'CONFIG_LINUX_USER' in config_target
3728 base_dir = 'linux-user'
3730 if 'CONFIG_BSD_USER' in config_target
3731 base_dir = 'bsd-user'
3732 target_inc += include_directories('bsd-user/' / targetos)
3733 target_inc += include_directories('bsd-user/host/' / host_arch)
3734 dir = base_dir / abi
3735 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3737 target_inc += include_directories(
3741 if 'CONFIG_LINUX_USER' in config_target
3742 dir = base_dir / abi
3743 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3744 if config_target.has_key('TARGET_SYSTBL_ABI')
3746 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3747 extra_args : config_target['TARGET_SYSTBL_ABI'])
3752 if 'TARGET_XML_FILES' in config_target
3753 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3754 output: target + '-gdbstub-xml.c',
3755 input: files(config_target['TARGET_XML_FILES'].split()),
3756 command: [feature_to_c, '@INPUT@'],
3758 arch_srcs += gdbstub_xml
3761 t = target_arch[target_base_arch].apply(config_target, strict: false)
3762 arch_srcs += t.sources()
3763 arch_deps += t.dependencies()
3765 target_common = common_ss.apply(config_target, strict: false)
3766 objects = common_all.extract_objects(target_common.sources())
3767 deps = target_common.dependencies()
3769 target_specific = specific_ss.apply(config_target, strict: false)
3770 arch_srcs += target_specific.sources()
3771 arch_deps += target_specific.dependencies()
3773 lib = static_library('qemu-' + target,
3774 sources: arch_srcs + genh,
3775 dependencies: arch_deps,
3777 include_directories: target_inc,
3779 build_by_default: false,
3782 if target.endswith('-softmmu')
3784 'name': 'qemu-system-' + target_name,
3785 'win_subsystem': 'console',
3786 'sources': files('softmmu/main.c'),
3789 if targetos == 'windows' and (sdl.found() or gtk.found())
3791 'name': 'qemu-system-' + target_name + 'w',
3792 'win_subsystem': 'windows',
3793 'sources': files('softmmu/main.c'),
3797 if get_option('fuzzing')
3798 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3800 'name': 'qemu-fuzz-' + target_name,
3801 'win_subsystem': 'console',
3802 'sources': specific_fuzz.sources(),
3803 'dependencies': specific_fuzz.dependencies(),
3808 'name': 'qemu-' + target_name,
3809 'win_subsystem': 'console',
3815 exe_name = exe['name']
3816 if targetos == 'darwin'
3817 exe_name += '-unsigned'
3820 emulator = executable(exe_name, exe['sources'],
3823 dependencies: arch_deps + deps + exe['dependencies'],
3824 objects: lib.extract_all_objects(recursive: true),
3825 link_language: link_language,
3826 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3827 link_args: link_args,
3828 win_subsystem: exe['win_subsystem'])
3830 if targetos == 'darwin'
3831 icon = 'pc-bios/qemu.rsrc'
3832 build_input = [emulator, files(icon)]
3834 get_option('bindir') / exe_name,
3835 meson.current_source_dir() / icon
3837 if 'CONFIG_HVF' in config_target
3838 entitlements = 'accel/hvf/entitlements.plist'
3839 build_input += files(entitlements)
3840 install_input += meson.current_source_dir() / entitlements
3843 emulators += {exe['name'] : custom_target(exe['name'],
3845 output: exe['name'],
3846 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3849 meson.add_install_script(entitlement, '--install',
3850 get_option('bindir') / exe['name'],
3853 emulators += {exe['name']: emulator}
3858 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3859 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3860 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3861 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3863 custom_target(exe['name'] + stp['ext'],
3864 input: trace_events_all,
3865 output: exe['name'] + stp['ext'],
3866 install: stp['install'],
3867 install_dir: get_option('datadir') / 'systemtap/tapset',
3869 tracetool, '--group=all', '--format=' + stp['fmt'],
3870 '--binary=' + stp['bin'],
3871 '--target-name=' + target_name,
3872 '--target-type=' + target_type,
3873 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3874 '@INPUT@', '@OUTPUT@'
3876 depend_files: tracetool_depends)
3882 # Other build targets
3884 if 'CONFIG_PLUGIN' in config_host
3885 install_headers('include/qemu/qemu-plugin.h')
3890 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3891 # when we don't build tools or system
3892 if xkbcommon.found()
3893 # used for the update-keymaps target, so include rules even if !have_tools
3894 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3895 dependencies: [qemuutil, xkbcommon], install: have_tools)
3899 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3900 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3901 qemu_io = executable('qemu-io', files('qemu-io.c'),
3902 dependencies: [block, qemuutil], install: true)
3903 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3904 dependencies: [blockdev, qemuutil, gnutls, selinux],
3907 subdir('storage-daemon')
3908 subdir('contrib/rdmacm-mux')
3909 subdir('contrib/elf2dmp')
3911 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3912 dependencies: qemuutil,
3916 subdir('contrib/vhost-user-blk')
3917 subdir('contrib/vhost-user-gpu')
3918 subdir('contrib/vhost-user-input')
3919 subdir('contrib/vhost-user-scsi')
3922 if targetos == 'linux'
3923 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3924 dependencies: [qemuutil, libcap_ng],
3926 install_dir: get_option('libexecdir'))
3928 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3929 dependencies: [authz, crypto, io, qom, qemuutil,
3930 libcap_ng, mpathpersist],
3935 subdir('contrib/ivshmem-client')
3936 subdir('contrib/ivshmem-server')
3949 if host_machine.system() == 'windows'
3951 find_program('scripts/nsis.py'),
3953 get_option('prefix'),
3954 meson.current_source_dir(),
3955 glib_pc.get_variable('bindir'),
3958 '-DDISPLAYVERSION=' + meson.project_version(),
3961 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3964 nsis_cmd += '-DCONFIG_GTK=y'
3967 nsis = custom_target('nsis',
3968 output: 'qemu-setup-' + meson.project_version() + '.exe',
3969 input: files('qemu.nsi'),
3970 build_always_stale: true,
3971 command: nsis_cmd + ['@INPUT@'])
3972 alias_target('installer', nsis)
3975 #########################
3976 # Configuration summary #
3977 #########################
3981 summary_info += {'Build directory': meson.current_build_dir()}
3982 summary_info += {'Source path': meson.current_source_dir()}
3983 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3984 summary(summary_info, bool_yn: true, section: 'Build environment')
3987 summary_info += {'Install prefix': get_option('prefix')}
3988 summary_info += {'BIOS directory': qemu_datadir}
3989 pathsep = targetos == 'windows' ? ';' : ':'
3990 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3991 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3992 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3993 summary_info += {'module directory': qemu_moddir}
3994 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3995 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3996 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3997 if targetos != 'windows'
3998 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3999 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4001 summary_info += {'local state directory': 'queried at runtime'}
4003 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4004 summary(summary_info, bool_yn: true, section: 'Directories')
4008 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4009 summary_info += {'sphinx-build': sphinx_build}
4010 if config_host.has_key('HAVE_GDB_BIN')
4011 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4013 summary_info += {'iasl': iasl}
4014 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4015 if targetos == 'windows' and have_ga
4016 summary_info += {'wixl': wixl}
4018 if slirp.found() and have_system
4019 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4021 summary(summary_info, bool_yn: true, section: 'Host binaries')
4023 # Configurable features
4025 summary_info += {'Documentation': build_docs}
4026 summary_info += {'system-mode emulation': have_system}
4027 summary_info += {'user-mode emulation': have_user}
4028 summary_info += {'block layer': have_block}
4029 summary_info += {'Install blobs': get_option('install_blobs')}
4030 summary_info += {'module support': enable_modules}
4032 summary_info += {'alternative module path': get_option('module_upgrades')}
4034 summary_info += {'fuzzing support': get_option('fuzzing')}
4036 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4038 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4039 if 'simple' in get_option('trace_backends')
4040 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4042 summary_info += {'D-Bus display': dbus_display}
4043 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4044 summary_info += {'vhost-kernel support': have_vhost_kernel}
4045 summary_info += {'vhost-net support': have_vhost_net}
4046 summary_info += {'vhost-user support': have_vhost_user}
4047 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4048 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4049 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4050 summary_info += {'build guest agent': have_ga}
4051 summary(summary_info, bool_yn: true, section: 'Configurable features')
4053 # Compilation information
4055 summary_info += {'host CPU': cpu}
4056 summary_info += {'host endianness': build_machine.endian()}
4057 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4058 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4059 if link_language == 'cpp'
4060 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4062 summary_info += {'C++ compiler': false}
4064 if targetos == 'darwin'
4065 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4067 option_cflags = (get_option('debug') ? ['-g'] : [])
4068 if get_option('optimization') != 'plain'
4069 option_cflags += ['-O' + get_option('optimization')]
4071 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4072 if link_language == 'cpp'
4073 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4075 if targetos == 'darwin'
4076 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4078 link_args = get_option(link_language + '_link_args')
4079 if link_args.length() > 0
4080 summary_info += {'LDFLAGS': ' '.join(link_args)}
4082 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4083 if 'cpp' in all_languages
4084 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4086 if 'objc' in all_languages
4087 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4089 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4090 summary_info += {'profiler': get_option('profiler')}
4091 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4092 summary_info += {'PIE': get_option('b_pie')}
4093 summary_info += {'static build': get_option('prefer_static')}
4094 summary_info += {'malloc trim support': has_malloc_trim}
4095 summary_info += {'membarrier': have_membarrier}
4096 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4097 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4098 summary_info += {'mutex debugging': get_option('debug_mutex')}
4099 summary_info += {'memory allocator': get_option('malloc')}
4100 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4101 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4102 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4103 if get_option('gprof')
4104 gprof_info = 'YES (deprecated)'
4106 gprof_info = get_option('gprof')
4108 summary_info += {'gprof': gprof_info}
4109 summary_info += {'gcov': get_option('b_coverage')}
4110 summary_info += {'thread sanitizer': get_option('tsan')}
4111 summary_info += {'CFI support': get_option('cfi')}
4112 if get_option('cfi')
4113 summary_info += {'CFI debug support': get_option('cfi_debug')}
4115 summary_info += {'strip binaries': get_option('strip')}
4116 summary_info += {'sparse': sparse}
4117 summary_info += {'mingw32 support': targetos == 'windows'}
4118 summary(summary_info, bool_yn: true, section: 'Compilation')
4120 # snarf the cross-compilation information for tests
4123 foreach target: target_dirs
4124 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4125 if fs.exists(tcg_mak)
4126 config_cross_tcg = keyval.load(tcg_mak)
4127 if 'CC' in config_cross_tcg
4128 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4134 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4137 # Targets and accelerators
4140 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4141 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4142 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4143 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4144 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4145 summary_info += {'Xen support': xen.found()}
4147 summary_info += {'xen ctrl version': xen.version()}
4149 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4151 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4152 if config_all.has_key('CONFIG_TCG')
4153 if get_option('tcg_interpreter')
4154 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4156 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4158 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4159 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4161 summary_info += {'target list': ' '.join(target_dirs)}
4163 summary_info += {'default devices': get_option('default_devices')}
4164 summary_info += {'out of process emulation': multiprocess_allowed}
4165 summary_info += {'vfio-user server': vfio_user_server_allowed}
4167 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4171 summary_info += {'coroutine backend': coroutine_backend}
4172 summary_info += {'coroutine pool': have_coroutine_pool}
4174 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4175 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4176 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4177 summary_info += {'VirtFS (9P) support': have_virtfs}
4178 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4179 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4180 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4181 summary_info += {'bochs support': get_option('bochs').allowed()}
4182 summary_info += {'cloop support': get_option('cloop').allowed()}
4183 summary_info += {'dmg support': get_option('dmg').allowed()}
4184 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4185 summary_info += {'vdi support': get_option('vdi').allowed()}
4186 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4187 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4188 summary_info += {'vpc support': get_option('vpc').allowed()}
4189 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4190 summary_info += {'qed support': get_option('qed').allowed()}
4191 summary_info += {'parallels support': get_option('parallels').allowed()}
4192 summary_info += {'FUSE exports': fuse}
4193 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4195 summary(summary_info, bool_yn: true, section: 'Block layer support')
4199 summary_info += {'TLS priority': get_option('tls_priority')}
4200 summary_info += {'GNUTLS support': gnutls}
4202 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4204 summary_info += {'libgcrypt': gcrypt}
4205 summary_info += {'nettle': nettle}
4207 summary_info += {' XTS': xts != 'private'}
4209 summary_info += {'AF_ALG support': have_afalg}
4210 summary_info += {'rng-none': get_option('rng_none')}
4211 summary_info += {'Linux keyring': have_keyring}
4212 summary(summary_info, bool_yn: true, section: 'Crypto')
4216 if targetos == 'darwin'
4217 summary_info += {'Cocoa support': cocoa}
4219 summary_info += {'SDL support': sdl}
4220 summary_info += {'SDL image support': sdl_image}
4221 summary_info += {'GTK support': gtk}
4222 summary_info += {'pixman': pixman}
4223 summary_info += {'VTE support': vte}
4224 summary_info += {'PNG support': png}
4225 summary_info += {'VNC support': vnc}
4227 summary_info += {'VNC SASL support': sasl}
4228 summary_info += {'VNC JPEG support': jpeg}
4230 summary_info += {'spice protocol support': spice_protocol}
4231 if spice_protocol.found()
4232 summary_info += {' spice server support': spice}
4234 summary_info += {'curses support': curses}
4235 summary_info += {'brlapi support': brlapi}
4236 summary(summary_info, bool_yn: true, section: 'User interface')
4240 if targetos not in ['darwin', 'haiku', 'windows']
4241 summary_info += {'OSS support': oss}
4242 summary_info += {'sndio support': sndio}
4243 elif targetos == 'darwin'
4244 summary_info += {'CoreAudio support': coreaudio}
4245 elif targetos == 'windows'
4246 summary_info += {'DirectSound support': dsound}
4248 if targetos == 'linux'
4249 summary_info += {'ALSA support': alsa}
4250 summary_info += {'PulseAudio support': pulse}
4252 summary_info += {'Pipewire support': pipewire}
4253 summary_info += {'JACK support': jack}
4254 summary(summary_info, bool_yn: true, section: 'Audio backends')
4258 if targetos == 'darwin'
4259 summary_info += {'vmnet.framework support': vmnet}
4261 summary_info += {'slirp support': slirp}
4262 summary_info += {'vde support': vde}
4263 summary_info += {'netmap support': have_netmap}
4264 summary_info += {'l2tpv3 support': have_l2tpv3}
4265 summary(summary_info, bool_yn: true, section: 'Network backends')
4269 summary_info += {'libtasn1': tasn1}
4270 summary_info += {'PAM': pam}
4271 summary_info += {'iconv support': iconv}
4272 summary_info += {'virgl support': virgl}
4273 summary_info += {'blkio support': blkio}
4274 summary_info += {'curl support': curl}
4275 summary_info += {'Multipath support': mpathpersist}
4276 summary_info += {'Linux AIO support': libaio}
4277 summary_info += {'Linux io_uring support': linux_io_uring}
4278 summary_info += {'ATTR/XATTR support': libattr}
4279 summary_info += {'RDMA support': rdma}
4280 summary_info += {'PVRDMA support': have_pvrdma}
4281 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4282 summary_info += {'libcap-ng support': libcap_ng}
4283 summary_info += {'bpf support': libbpf}
4284 summary_info += {'rbd support': rbd}
4285 summary_info += {'smartcard support': cacard}
4286 summary_info += {'U2F support': u2f}
4287 summary_info += {'libusb': libusb}
4288 summary_info += {'usb net redir': usbredir}
4289 summary_info += {'OpenGL support (epoxy)': opengl}
4290 summary_info += {'GBM': gbm}
4291 summary_info += {'libiscsi support': libiscsi}
4292 summary_info += {'libnfs support': libnfs}
4293 if targetos == 'windows'
4295 summary_info += {'QGA VSS support': have_qga_vss}
4298 summary_info += {'seccomp support': seccomp}
4299 summary_info += {'GlusterFS support': glusterfs}
4300 summary_info += {'TPM support': have_tpm}
4301 summary_info += {'libssh support': libssh}
4302 summary_info += {'lzo support': lzo}
4303 summary_info += {'snappy support': snappy}
4304 summary_info += {'bzip2 support': libbzip2}
4305 summary_info += {'lzfse support': liblzfse}
4306 summary_info += {'zstd support': zstd}
4307 summary_info += {'NUMA host support': numa}
4308 summary_info += {'capstone': capstone}
4309 summary_info += {'libpmem support': libpmem}
4310 summary_info += {'libdaxctl support': libdaxctl}
4311 summary_info += {'libudev': libudev}
4312 # Dummy dependency, keep .found()
4313 summary_info += {'FUSE lseek': fuse_lseek.found()}
4314 summary_info += {'selinux': selinux}
4315 summary_info += {'libdw': libdw}
4316 summary(summary_info, bool_yn: true, section: 'Dependencies')
4318 if not supported_cpus.contains(cpu)
4320 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4322 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4323 message('The QEMU project intends to remove support for this host CPU in')
4324 message('a future release if nobody volunteers to maintain it and to')
4325 message('provide a build host for our continuous integration setup.')
4326 message('configure has succeeded and you can continue to build, but')
4327 message('if you care about QEMU on this platform you should contact')
4328 message('us upstream at qemu-devel@nongnu.org.')
4331 if not supported_oses.contains(targetos)
4333 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4335 message('Host OS ' + targetos + 'support is not currently maintained.')
4336 message('The QEMU project intends to remove support for this host OS in')
4337 message('a future release if nobody volunteers to maintain it and to')
4338 message('provide a build host for our continuous integration setup.')
4339 message('configure has succeeded and you can continue to build, but')
4340 message('if you care about QEMU on this platform you should contact')
4341 message('us upstream at qemu-devel@nongnu.org.')