1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 targetos = host_machine.system()
18 sh = find_program('sh')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
21 cc = meson.get_compiler('c')
23 if add_languages('cpp', required: false, native: false)
24 all_languages += ['cpp']
25 cxx = meson.get_compiler('cpp')
27 if targetos == 'darwin' and \
28 add_languages('objc', required: get_option('cocoa'), native: false)
29 all_languages += ['objc']
30 objc = meson.get_compiler('objc')
33 # Temporary directory used for files created while
34 # configure runs. Since it is in the build directory
35 # we can safely blow away any previous version of it
36 # (and we need not jump through hoops to try to delete
37 # it when configure exits.)
38 tmpdir = meson.current_build_dir() / 'meson-private/temp'
40 if get_option('qemu_suffix').startswith('/')
41 error('qemu_suffix cannot start with a /')
44 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
49 qemu_desktopdir = get_option('datadir') / 'applications'
50 qemu_icondir = get_option('datadir') / 'icons'
52 config_host_data = configuration_data()
54 qapi_trace_events = []
56 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 # Unify riscv* to a single family.
64 if cpu in ['riscv32', 'riscv64']
68 target_dirs = config_host['TARGET_DIRS'].split()
69 have_linux_user = false
72 foreach target : target_dirs
73 have_linux_user = have_linux_user or target.endswith('linux-user')
74 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
75 have_system = have_system or target.endswith('-softmmu')
77 have_user = have_linux_user or have_bsd_user
78 have_tools = get_option('tools') \
79 .disable_auto_if(not have_system) \
81 have_ga = get_option('guest_agent') \
82 .disable_auto_if(not have_system and not have_tools) \
83 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
84 error_message: 'unsupported OS for QEMU guest agent') \
86 enable_modules = get_option('modules') \
87 .require(targetos != 'windows',
88 error_message: 'Modules are not available for Windows') \
89 .require(not get_option('prefer_static'),
90 error_message: 'Modules are incompatible with static linking') \
92 have_block = have_system or have_tools
94 python = import('python').find_installation()
96 if cpu not in supported_cpus
106 if cpu in ['x86', 'x86_64']
107 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
108 elif cpu == 'aarch64'
109 kvm_targets = ['aarch64-softmmu']
111 kvm_targets = ['s390x-softmmu']
112 elif cpu in ['ppc', 'ppc64']
113 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
114 elif cpu in ['mips', 'mips64']
115 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
116 elif cpu in ['riscv']
117 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
123 if get_option('kvm').allowed() and targetos == 'linux'
124 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
126 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
128 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
130 if cpu in ['aarch64']
131 accelerator_targets += {
132 'CONFIG_HVF': ['aarch64-softmmu']
136 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
137 # i386 emulator provides xenpv machine type for multiple architectures
138 accelerator_targets += {
139 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
142 if cpu in ['x86', 'x86_64']
143 accelerator_targets += {
144 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_HVF': ['x86_64-softmmu'],
146 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
147 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
152 # Darwin does not support references to thread-local variables in modules
153 if targetos != 'darwin'
154 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
157 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
158 unpack_edk2_blobs = false
159 foreach target : edk2_targets
160 if target in target_dirs
161 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
162 unpack_edk2_blobs = bzip2.found()
169 if 'dtrace' in get_option('trace_backends')
170 dtrace = find_program('dtrace', required: true)
171 stap = find_program('stap', required: false)
173 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
174 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
175 # instead. QEMU --enable-modules depends on this because the SystemTap
176 # semaphores are linked into the main binary and not the module's shared
178 add_global_arguments('-DSTAP_SDT_V2',
179 native: false, language: all_languages)
183 if get_option('iasl') == ''
184 iasl = find_program('iasl', required: false)
186 iasl = find_program(get_option('iasl'), required: true)
193 foreach lang : all_languages
194 compiler = meson.get_compiler(lang)
195 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
197 elif compiler.get_id() == 'clang' and compiler.compiles('''
198 #ifdef __apple_build_version__
199 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
200 # error You need at least XCode Clang v12.0 to compile QEMU
203 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
204 # error You need at least Clang v10.0 to compile QEMU
209 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
213 # default flags for all hosts
214 # We use -fwrapv to tell the compiler that we require a C dialect where
215 # left shift of signed integers is well defined and has the expected
216 # 2s-complement style results. (Both clang and gcc agree that it
217 # provides these semantics.)
219 qemu_common_flags = [
220 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
221 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
225 if targetos == 'darwin'
226 # Disable attempts to use ObjectiveC features in os/object.h since they
227 # won't work when we're compiling with gcc as a C compiler.
228 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'solaris'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Check that the C++ compiler exists and works with the C compiler.
480 if 'cpp' in all_languages
481 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483 link_language = 'cpp'
486 message('C++ compiler does not work with C compiler')
487 message('Disabling C++-specific optional code')
491 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492 if get_option('optimization') != '0' and targetos == 'linux'
493 if cc.get_id() == 'gcc'
494 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
496 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
501 add_project_arguments(qemu_cflags, native: false, language: 'c')
502 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503 if 'cpp' in all_languages
504 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
507 if 'objc' in all_languages
508 # Note sanitizer flags are not applied to Objective-C sources!
509 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
511 if targetos == 'linux'
512 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513 '-isystem', 'linux-headers',
514 language: all_languages)
517 add_project_arguments('-iquote', '.',
518 '-iquote', meson.current_source_dir(),
519 '-iquote', meson.current_source_dir() / 'include',
520 language: all_languages)
522 # If a host-specific include directory exists, list that first...
523 host_include = meson.current_source_dir() / 'host/include/'
524 if fs.is_dir(host_include / host_arch)
525 add_project_arguments('-iquote', host_include / host_arch,
526 language: all_languages)
528 # ... followed by the generic fallback.
529 add_project_arguments('-iquote', host_include / 'generic',
530 language: all_languages)
532 sparse = find_program('cgcc', required: get_option('sparse'))
535 command: [find_program('scripts/check_sparse.py'),
536 'compile_commands.json', sparse.full_path(), '-Wbitwise',
537 '-Wno-transparent-union', '-Wno-old-initializer',
538 '-Wno-non-pointer-null'])
541 ###########################################
542 # Target-specific checks and dependencies #
543 ###########################################
546 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
549 #include <sys/types.h>
550 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
553 args: ['-Werror', '-fsanitize=fuzzer'])
554 error('Your compiler does not support -fsanitize=fuzzer')
558 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559 error('ftrace is supported only on Linux')
561 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
564 openlog("qemu", LOG_PID, LOG_DAEMON);
565 syslog(LOG_INFO, "configure");
568 error('syslog is not supported on this system')
571 # Miscellaneous Linux-only features
572 get_option('mpath') \
573 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
575 multiprocess_allowed = get_option('multiprocess') \
576 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
579 vfio_user_server_allowed = get_option('vfio_user_server') \
580 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
583 have_tpm = get_option('tpm') \
584 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
588 have_vhost_user = get_option('vhost_user') \
589 .disable_auto_if(targetos != 'linux') \
590 .require(targetos != 'windows',
591 error_message: 'vhost-user is not available on Windows').allowed()
592 have_vhost_vdpa = get_option('vhost_vdpa') \
593 .require(targetos == 'linux',
594 error_message: 'vhost-vdpa is only available on Linux').allowed()
595 have_vhost_kernel = get_option('vhost_kernel') \
596 .require(targetos == 'linux',
597 error_message: 'vhost-kernel is only available on Linux').allowed()
598 have_vhost_user_crypto = get_option('vhost_crypto') \
599 .require(have_vhost_user,
600 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
602 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
604 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
609 # Target-specific libraries and flags
610 libm = cc.find_library('m', required: false)
611 threads = dependency('threads')
612 util = cc.find_library('util', required: false)
618 emulator_link_args = []
625 if targetos == 'windows'
626 midl = find_program('midl', required: false)
627 widl = find_program('widl', required: false)
628 pathcch = cc.find_library('pathcch')
629 socket = cc.find_library('ws2_32')
630 winmm = cc.find_library('winmm')
632 win = import('windows')
633 version_res = win.compile_resources('version.rc',
634 depend_files: files('pc-bios/qemu-nsis.ico'),
635 include_directories: include_directories('.'))
637 elif targetos == 'darwin'
638 coref = dependency('appleframeworks', modules: 'CoreFoundation')
639 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640 host_dsosuf = '.dylib'
641 elif targetos == 'sunos'
642 socket = [cc.find_library('socket'),
643 cc.find_library('nsl'),
644 cc.find_library('resolv')]
645 elif targetos == 'haiku'
646 socket = [cc.find_library('posix_error_mapper'),
647 cc.find_library('network'),
648 cc.find_library('bsd')]
649 elif targetos == 'openbsd'
650 if get_option('tcg').allowed() and target_dirs.length() > 0
651 # Disable OpenBSD W^X if available
652 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
656 # Target-specific configuration of accelerators
658 if get_option('kvm').allowed() and targetos == 'linux'
659 accelerators += 'CONFIG_KVM'
661 if get_option('whpx').allowed() and targetos == 'windows'
662 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663 error('WHPX requires 64-bit host')
664 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
665 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
666 accelerators += 'CONFIG_WHPX'
669 if get_option('hvf').allowed()
670 hvf = dependency('appleframeworks', modules: 'Hypervisor',
671 required: get_option('hvf'))
673 accelerators += 'CONFIG_HVF'
676 if get_option('hax').allowed()
677 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678 accelerators += 'CONFIG_HAX'
681 if targetos == 'netbsd'
682 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
684 accelerators += 'CONFIG_NVMM'
689 if get_option('tcg').allowed()
690 if host_arch == 'unknown'
691 if get_option('tcg_interpreter')
692 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
694 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
696 elif get_option('tcg_interpreter')
697 warning('Use of the TCG interpreter is not recommended on this host')
698 warning('architecture. There is a native TCG execution backend available')
699 warning('which provides substantially better performance and reliability.')
700 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701 warning('configuration option on this architecture to use the native')
704 if get_option('tcg_interpreter')
706 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707 elif host_arch == 'x86_64'
709 elif host_arch == 'ppc64'
712 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713 language: all_languages)
715 accelerators += 'CONFIG_TCG'
716 config_host += { 'CONFIG_TCG': 'y' }
719 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720 error('KVM not available on this platform')
722 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723 error('HVF not available on this platform')
725 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726 error('NVMM not available on this platform')
728 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729 error('WHPX not available on this platform')
736 # When bumping glib minimum version, please check also whether to increase
737 # the _WIN32_WINNT setting in osdep.h according to the value from glib
738 glib_req_ver = '>=2.56.0'
739 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740 method: 'pkg-config')
743 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744 method: 'pkg-config')
745 elif config_host.has_key('CONFIG_PLUGIN')
746 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747 method: 'pkg-config')
752 # This workaround is required due to a bug in pkg-config file for glib as it
753 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754 if targetos == 'windows' and get_option('prefer_static')
755 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
758 # Sanity check that the current size_t matches the
759 # size that glib thinks it should be. This catches
760 # problems on multi-arch where people try to build
761 # 32-bit QEMU while pointing at 64-bit glib headers
763 if not cc.compiles('''
767 #define QEMU_BUILD_BUG_ON(x) \
768 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
771 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
773 }''', dependencies: glib_pc, args: glib_cflags)
774 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775 You probably need to set PKG_CONFIG_LIBDIR" to point
776 to the right pkg-config files for your build target.''')
779 # Silence clang warnings triggered by glib < 2.57.2
780 if not cc.compiles('''
785 static void foo_free(Foo *f)
789 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
793 glib = declare_dependency(dependencies: [glib_pc, gmodule],
794 compile_args: glib_cflags,
795 version: glib_pc.version())
797 # Check whether glib has gslice, which we have to avoid for correctness.
798 # TODO: remove this check and the corresponding workaround (qtree) when
799 # the minimum supported glib is >= 2.75.3
800 glib_has_gslice = glib.version().version_compare('<2.75.3')
802 # override glib dep to include the above refinements
803 meson.override_dependency('glib-2.0', glib)
805 # The path to glib.h is added to all compilation commands.
806 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807 native: false, language: all_languages)
810 gdbus_codegen = not_found
811 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812 if not get_option('gio').auto() or have_system
813 gio = dependency('gio-2.0', required: get_option('gio'),
814 method: 'pkg-config')
815 if gio.found() and not cc.links('''
819 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
821 }''', dependencies: [glib, gio])
822 if get_option('gio').enabled()
823 error('The installed libgio is broken for static linking')
828 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829 required: get_option('gio'))
830 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831 method: 'pkg-config')
832 gio = declare_dependency(dependencies: [gio, gio_unix],
833 version: gio.version())
836 if gdbus_codegen.found() and get_option('cfi')
837 gdbus_codegen = not_found
838 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
842 if 'ust' in get_option('trace_backends')
843 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
844 method: 'pkg-config')
847 if have_system or have_tools
848 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
849 method: 'pkg-config')
851 zlib = dependency('zlib', required: true)
854 if not get_option('linux_aio').auto() or have_block
855 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
856 required: get_option('linux_aio'))
859 linux_io_uring_test = '''
860 #include <liburing.h>
861 #include <linux/errqueue.h>
863 int main(void) { return 0; }'''
865 linux_io_uring = not_found
866 if not get_option('linux_io_uring').auto() or have_block
867 linux_io_uring = dependency('liburing', version: '>=0.3',
868 required: get_option('linux_io_uring'),
869 method: 'pkg-config')
870 if not cc.links(linux_io_uring_test)
871 linux_io_uring = not_found
876 if not get_option('libnfs').auto() or have_block
877 libnfs = dependency('libnfs', version: '>=1.9.3',
878 required: get_option('libnfs'),
879 method: 'pkg-config')
884 #include <sys/types.h>
885 #ifdef CONFIG_LIBATTR
886 #include <attr/xattr.h>
888 #include <sys/xattr.h>
890 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
893 have_old_libattr = false
894 if get_option('attr').allowed()
895 if cc.links(libattr_test)
896 libattr = declare_dependency()
898 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
899 required: get_option('attr'))
900 if libattr.found() and not \
901 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
903 if get_option('attr').enabled()
904 error('could not link libattr')
906 warning('could not link libattr, disabling')
909 have_old_libattr = libattr.found()
914 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
915 required: get_option('cocoa'))
917 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
918 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
919 'VMNET_BRIDGED_MODE',
922 if get_option('vmnet').enabled()
923 error('vmnet.framework API is outdated')
925 warning('vmnet.framework API is outdated, disabling')
930 seccomp_has_sysrawrc = false
931 if not get_option('seccomp').auto() or have_system or have_tools
932 seccomp = dependency('libseccomp', version: '>=2.3.0',
933 required: get_option('seccomp'),
934 method: 'pkg-config')
936 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
937 'SCMP_FLTATR_API_SYSRAWRC',
938 dependencies: seccomp)
942 libcap_ng = not_found
943 if not get_option('cap_ng').auto() or have_system or have_tools
944 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
945 required: get_option('cap_ng'))
947 if libcap_ng.found() and not cc.links('''
951 capng_capability_to_name(CAPNG_EFFECTIVE);
953 }''', dependencies: libcap_ng)
954 libcap_ng = not_found
955 if get_option('cap_ng').enabled()
956 error('could not link libcap-ng')
958 warning('could not link libcap-ng, disabling')
962 if get_option('xkbcommon').auto() and not have_system and not have_tools
963 xkbcommon = not_found
965 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
966 method: 'pkg-config')
970 if not get_option('slirp').auto() or have_system
971 slirp = dependency('slirp', required: get_option('slirp'),
972 method: 'pkg-config')
973 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
974 # it passes function pointers within libslirp as callbacks for timers.
975 # When using a system-wide shared libslirp, the type information for the
976 # callback is missing and the timer call produces a false positive with CFI.
977 # Do not use the "version" keyword argument to produce a better error.
978 # with control-flow integrity.
979 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
980 if get_option('slirp').enabled()
981 error('Control-Flow Integrity requires libslirp 4.7.')
983 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
990 if not get_option('vde').auto() or have_system or have_tools
991 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
992 required: get_option('vde'))
994 if vde.found() and not cc.links('''
995 #include <libvdeplug.h>
998 struct vde_open_args a = {0, 0, 0};
1002 }''', dependencies: vde)
1004 if get_option('cap_ng').enabled()
1005 error('could not link libvdeplug')
1007 warning('could not link libvdeplug, disabling')
1012 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1013 pulse = dependency('libpulse', required: get_option('pa'),
1014 method: 'pkg-config')
1017 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1018 alsa = dependency('alsa', required: get_option('alsa'),
1019 method: 'pkg-config')
1022 if not get_option('jack').auto() or have_system
1023 jack = dependency('jack', required: get_option('jack'),
1024 method: 'pkg-config')
1026 pipewire = not_found
1027 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1028 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1029 required: get_option('pipewire'),
1030 method: 'pkg-config')
1033 if not get_option('sndio').auto() or have_system
1034 sndio = dependency('sndio', required: get_option('sndio'),
1035 method: 'pkg-config')
1038 spice_protocol = not_found
1039 if not get_option('spice_protocol').auto() or have_system
1040 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1041 required: get_option('spice_protocol'),
1042 method: 'pkg-config')
1045 if not get_option('spice').auto() or have_system
1046 spice = dependency('spice-server', version: '>=0.14.0',
1047 required: get_option('spice'),
1048 method: 'pkg-config')
1050 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1052 rt = cc.find_library('rt', required: false)
1054 libiscsi = not_found
1055 if not get_option('libiscsi').auto() or have_block
1056 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1057 required: get_option('libiscsi'),
1058 method: 'pkg-config')
1061 if not get_option('zstd').auto() or have_block
1062 zstd = dependency('libzstd', version: '>=1.4.0',
1063 required: get_option('zstd'),
1064 method: 'pkg-config')
1068 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1069 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1070 virgl = dependency('virglrenderer',
1071 method: 'pkg-config',
1072 required: get_option('virglrenderer'))
1075 if not get_option('blkio').auto() or have_block
1076 blkio = dependency('blkio',
1077 method: 'pkg-config',
1078 required: get_option('blkio'))
1081 if not get_option('curl').auto() or have_block
1082 curl = dependency('libcurl', version: '>=7.29.0',
1083 method: 'pkg-config',
1084 required: get_option('curl'))
1087 if targetos == 'linux' and (have_system or have_tools)
1088 libudev = dependency('libudev',
1089 method: 'pkg-config',
1090 required: get_option('libudev'))
1093 mpathlibs = [libudev]
1094 mpathpersist = not_found
1095 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') \
1733 if not get_option('smartcard').auto() or have_system
1734 cacard = dependency('libcacard', required: get_option('smartcard'),
1735 version: '>=2.5.1', method: 'pkg-config')
1739 u2f = dependency('u2f-emu', required: get_option('u2f'),
1740 method: 'pkg-config')
1744 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1745 method: 'pkg-config')
1747 usbredir = not_found
1748 if not get_option('usb_redir').auto() or have_system
1749 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1750 version: '>=0.6', method: 'pkg-config')
1753 if not get_option('libusb').auto() or have_system
1754 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1755 version: '>=1.0.13', method: 'pkg-config')
1759 if not get_option('libpmem').auto() or have_system
1760 libpmem = dependency('libpmem', required: get_option('libpmem'),
1761 method: 'pkg-config')
1763 libdaxctl = not_found
1764 if not get_option('libdaxctl').auto() or have_system
1765 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1766 version: '>=57', method: 'pkg-config')
1770 tasn1 = dependency('libtasn1',
1771 method: 'pkg-config')
1773 keyutils = not_found
1774 if get_option('keyring').enabled()
1775 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1778 has_gettid = cc.has_function('gettid')
1781 selinux = dependency('libselinux',
1782 required: get_option('selinux'),
1783 method: 'pkg-config')
1788 if get_option('malloc') == 'system'
1790 get_option('malloc_trim').allowed() and \
1791 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1793 has_malloc_trim = false
1794 malloc = cc.find_library(get_option('malloc'), required: true)
1796 if not has_malloc_trim and get_option('malloc_trim').enabled()
1797 if get_option('malloc') == 'system'
1798 error('malloc_trim not available on this platform.')
1800 error('malloc_trim not available with non-libc memory allocator')
1804 gnu_source_prefix = '''
1810 # Check whether the glibc provides STATX_BASIC_STATS
1812 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1814 # Check whether statx() provides mount ID information
1816 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1818 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1819 .require(targetos == 'linux',
1820 error_message: 'vhost_user_blk_server requires linux') \
1821 .require(have_vhost_user,
1822 error_message: 'vhost_user_blk_server requires vhost-user support') \
1823 .disable_auto_if(not have_tools and not have_system) \
1826 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1827 error('Cannot enable fuse-lseek while fuse is disabled')
1830 fuse = dependency('fuse3', required: get_option('fuse'),
1831 version: '>=3.1', method: 'pkg-config')
1833 fuse_lseek = not_found
1834 if get_option('fuse_lseek').allowed()
1835 if fuse.version().version_compare('>=3.8')
1837 fuse_lseek = declare_dependency()
1838 elif get_option('fuse_lseek').enabled()
1840 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1842 error('fuse-lseek requires libfuse, which was not found')
1847 have_libvduse = (targetos == 'linux')
1848 if get_option('libvduse').enabled()
1849 if targetos != 'linux'
1850 error('libvduse requires linux')
1852 elif get_option('libvduse').disabled()
1853 have_libvduse = false
1856 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1857 if get_option('vduse_blk_export').enabled()
1858 if targetos != 'linux'
1859 error('vduse_blk_export requires linux')
1860 elif not have_libvduse
1861 error('vduse_blk_export requires libvduse support')
1863 elif get_option('vduse_blk_export').disabled()
1864 have_vduse_blk_export = false
1868 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1869 if libbpf.found() and not cc.links('''
1870 #include <bpf/libbpf.h>
1873 bpf_object__destroy_skeleton(NULL);
1875 }''', dependencies: libbpf)
1877 if get_option('bpf').enabled()
1878 error('libbpf skeleton test failed')
1880 warning('libbpf skeleton test failed, disabling')
1886 if not get_option('libdw').auto() or \
1887 (not get_option('prefer_static') and (have_system or have_user))
1888 libdw = dependency('libdw',
1889 method: 'pkg-config',
1890 required: get_option('libdw'))
1897 audio_drivers_selected = []
1899 audio_drivers_available = {
1900 'alsa': alsa.found(),
1901 'coreaudio': coreaudio.found(),
1902 'dsound': dsound.found(),
1903 'jack': jack.found(),
1905 'pa': pulse.found(),
1906 'pipewire': pipewire.found(),
1908 'sndio': sndio.found(),
1910 foreach k, v: audio_drivers_available
1911 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1914 # Default to native drivers first, OSS second, SDL third
1915 audio_drivers_priority = \
1916 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1917 (targetos == 'linux' ? [] : [ 'sdl' ])
1918 audio_drivers_default = []
1919 foreach k: audio_drivers_priority
1920 if audio_drivers_available[k]
1921 audio_drivers_default += k
1925 foreach k: get_option('audio_drv_list')
1927 audio_drivers_selected += audio_drivers_default
1928 elif not audio_drivers_available[k]
1929 error('Audio driver "@0@" not available.'.format(k))
1931 audio_drivers_selected += k
1935 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1936 '"' + '", "'.join(audio_drivers_selected) + '", ')
1938 if get_option('cfi')
1940 # Check for dependency on LTO
1941 if not get_option('b_lto')
1942 error('Selected Control-Flow Integrity but LTO is disabled')
1945 error('Selected Control-Flow Integrity is not compatible with modules')
1947 # Check for cfi flags. CFI requires LTO so we can't use
1948 # get_supported_arguments, but need a more complex "compiles" which allows
1950 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1951 args: ['-flto', '-fsanitize=cfi-icall'] )
1952 cfi_flags += '-fsanitize=cfi-icall'
1954 error('-fsanitize=cfi-icall is not supported by the compiler')
1956 if cc.compiles('int main () { return 0; }',
1957 name: '-fsanitize-cfi-icall-generalize-pointers',
1958 args: ['-flto', '-fsanitize=cfi-icall',
1959 '-fsanitize-cfi-icall-generalize-pointers'] )
1960 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1962 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1964 if get_option('cfi_debug')
1965 if cc.compiles('int main () { return 0; }',
1966 name: '-fno-sanitize-trap=cfi-icall',
1967 args: ['-flto', '-fsanitize=cfi-icall',
1968 '-fno-sanitize-trap=cfi-icall'] )
1969 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1971 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1974 add_global_arguments(cfi_flags, native: false, language: all_languages)
1975 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1978 have_host_block_device = (targetos != 'darwin' or
1979 cc.has_header('IOKit/storage/IOMedia.h'))
1981 dbus_display = get_option('dbus_display') \
1982 .require(gio.version().version_compare('>=2.64'),
1983 error_message: '-display dbus requires glib>=2.64') \
1984 .require(gdbus_codegen.found(),
1985 error_message: gdbus_codegen_error.format('-display dbus')) \
1986 .require(targetos != 'windows',
1987 error_message: '-display dbus is not available on Windows') \
1990 have_virtfs = get_option('virtfs') \
1991 .require(targetos == 'linux' or targetos == 'darwin',
1992 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1993 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1994 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1995 .require(targetos == 'darwin' or libattr.found(),
1996 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1997 .disable_auto_if(not have_tools and not have_system) \
2000 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2001 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2002 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2003 .disable_auto_if(not have_tools) \
2004 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2007 if get_option('block_drv_ro_whitelist') == ''
2008 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2010 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2011 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2013 if get_option('block_drv_rw_whitelist') == ''
2014 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2016 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2017 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2020 foreach k : get_option('trace_backends')
2021 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2023 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2024 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2026 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2028 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2029 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2030 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2031 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2032 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2034 qemu_firmwarepath = ''
2035 foreach k : get_option('qemu_firmwarepath')
2036 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2038 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2040 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2041 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2042 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2043 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2044 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2045 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2048 config_host_data.set('CONFIG_STAMP', run_command(
2049 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2050 meson.project_version(), get_option('pkgversion'), '--',
2051 meson.current_source_dir() / 'configure',
2052 capture: true, check: true).stdout().strip())
2055 have_slirp_smbd = get_option('slirp_smbd') \
2056 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2059 smbd_path = get_option('smbd')
2061 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2063 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2066 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2068 if get_option('module_upgrades') and not enable_modules
2069 error('Cannot enable module-upgrades as modules are not enabled')
2071 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2073 config_host_data.set('CONFIG_ATTR', libattr.found())
2074 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2075 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2076 config_host_data.set('CONFIG_COCOA', cocoa.found())
2077 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2078 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2079 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2080 config_host_data.set('CONFIG_LZO', lzo.found())
2081 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2082 config_host_data.set('CONFIG_BLKIO', blkio.found())
2084 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2085 blkio.version().version_compare('>=1.3.0'))
2087 config_host_data.set('CONFIG_CURL', curl.found())
2088 config_host_data.set('CONFIG_CURSES', curses.found())
2089 config_host_data.set('CONFIG_GBM', gbm.found())
2090 config_host_data.set('CONFIG_GIO', gio.found())
2091 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2092 if glusterfs.found()
2093 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2094 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2095 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2096 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2097 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2098 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2100 config_host_data.set('CONFIG_GTK', gtk.found())
2101 config_host_data.set('CONFIG_VTE', vte.found())
2102 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2103 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2104 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2105 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2106 config_host_data.set('CONFIG_EBPF', libbpf.found())
2107 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2108 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2109 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2110 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2111 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2112 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2113 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2114 config_host_data.set('CONFIG_MODULES', enable_modules)
2115 config_host_data.set('CONFIG_NUMA', numa.found())
2117 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2118 cc.has_function('numa_has_preferred_many',
2119 dependencies: numa))
2121 config_host_data.set('CONFIG_OPENGL', opengl.found())
2122 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
2123 config_host_data.set('CONFIG_RBD', rbd.found())
2124 config_host_data.set('CONFIG_RDMA', rdma.found())
2125 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2126 config_host_data.set('CONFIG_SDL', sdl.found())
2127 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2128 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2130 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2132 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2133 config_host_data.set('CONFIG_TPM', have_tpm)
2134 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2135 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2136 config_host_data.set('CONFIG_VDE', vde.found())
2137 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2138 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2139 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2140 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2141 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2142 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2143 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2144 config_host_data.set('CONFIG_VMNET', vmnet.found())
2145 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2146 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2147 config_host_data.set('CONFIG_PNG', png.found())
2148 config_host_data.set('CONFIG_VNC', vnc.found())
2149 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2150 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2151 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2152 config_host_data.set('CONFIG_VTE', vte.found())
2153 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2154 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2155 config_host_data.set('CONFIG_GETTID', has_gettid)
2156 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2157 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2158 config_host_data.set('CONFIG_TASN1', tasn1.found())
2159 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2160 config_host_data.set('CONFIG_NETTLE', nettle.found())
2161 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2162 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2163 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2164 config_host_data.set('CONFIG_STATX', has_statx)
2165 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2166 config_host_data.set('CONFIG_ZSTD', zstd.found())
2167 config_host_data.set('CONFIG_FUSE', fuse.found())
2168 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2169 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2170 if spice_protocol.found()
2171 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2172 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2175 config_host_data.set('CONFIG_SPICE', spice.found())
2176 config_host_data.set('CONFIG_X11', x11.found())
2177 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2178 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2179 config_host_data.set('CONFIG_SELINUX', selinux.found())
2180 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2181 config_host_data.set('CONFIG_LIBDW', libdw.found())
2183 # protect from xen.version() having less than three components
2184 xen_version = xen.version().split('.') + ['0', '0']
2185 xen_ctrl_version = xen_version[0] + \
2186 ('0' + xen_version[1]).substring(-2) + \
2187 ('0' + xen_version[2]).substring(-2)
2188 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2190 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2191 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2192 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2193 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2195 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2196 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2198 have_coroutine_pool = get_option('coroutine_pool')
2199 if get_option('debug_stack_usage') and have_coroutine_pool
2200 message('Disabling coroutine pool to measure stack usage')
2201 have_coroutine_pool = false
2203 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2204 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2205 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2206 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2207 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2208 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2209 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2210 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2213 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2214 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2215 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2216 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2217 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2218 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2219 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2220 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2221 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2222 if targetos == 'windows'
2223 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2227 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2228 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2229 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2230 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2231 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2232 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2233 # Note that we need to specify prefix: here to avoid incorrectly
2234 # thinking that Windows has posix_memalign()
2235 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2236 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2237 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2238 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2239 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2240 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2241 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2242 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2243 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2244 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2245 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2246 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2247 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2248 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2249 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2250 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2251 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2252 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2254 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2255 cc.has_function('rbd_namespace_exists',
2257 prefix: '#include <rbd/librbd.h>'))
2260 config_host_data.set('HAVE_IBV_ADVISE_MR',
2261 cc.has_function('ibv_advise_mr',
2263 prefix: '#include <infiniband/verbs.h>'))
2266 have_asan_fiber = false
2267 if get_option('sanitizers') and \
2268 not cc.has_function('__sanitizer_start_switch_fiber',
2269 args: '-fsanitize=address',
2270 prefix: '#include <sanitizer/asan_interface.h>')
2271 warning('Missing ASAN due to missing fiber annotation interface')
2272 warning('Without code annotation, the report may be inferior.')
2274 have_asan_fiber = true
2276 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2279 config_host_data.set('CONFIG_BLKZONED',
2280 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2281 config_host_data.set('CONFIG_EPOLL_CREATE1',
2282 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2283 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2284 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2285 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2286 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2288 config_host_data.set('CONFIG_FIEMAP',
2289 cc.has_header('linux/fiemap.h') and
2290 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2291 config_host_data.set('CONFIG_GETRANDOM',
2292 cc.has_function('getrandom') and
2293 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2294 config_host_data.set('CONFIG_INOTIFY',
2295 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2296 config_host_data.set('CONFIG_INOTIFY1',
2297 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2298 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2299 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2300 config_host_data.set('CONFIG_RTNETLINK',
2301 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2302 config_host_data.set('CONFIG_SYSMACROS',
2303 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2304 config_host_data.set('HAVE_OPTRESET',
2305 cc.has_header_symbol('getopt.h', 'optreset'))
2306 config_host_data.set('HAVE_IPPROTO_MPTCP',
2307 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2310 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2311 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2312 prefix: '#include <signal.h>'))
2313 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2314 cc.has_member('struct stat', 'st_atim',
2315 prefix: '#include <sys/stat.h>'))
2316 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2317 cc.has_member('struct blk_zone', 'capacity',
2318 prefix: '#include <linux/blkzoned.h>'))
2321 config_host_data.set('CONFIG_IOVEC',
2322 cc.has_type('struct iovec',
2323 prefix: '#include <sys/uio.h>'))
2324 config_host_data.set('HAVE_UTMPX',
2325 cc.has_type('struct utmpx',
2326 prefix: '#include <utmpx.h>'))
2328 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2329 #include <sys/eventfd.h>
2330 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2331 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2334 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2335 return fdatasync(0);
2337 #error Not supported
2341 has_madvise = cc.links(gnu_source_prefix + '''
2342 #include <sys/types.h>
2343 #include <sys/mman.h>
2345 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2346 missing_madvise_proto = false
2348 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2349 # but forget to prototype it. In this case, has_madvise will be true (the
2350 # test program links despite a compile warning). To detect the
2351 # missing-prototype case, we try again with a definitely-bogus prototype.
2352 # This will only compile if the system headers don't provide the prototype;
2353 # otherwise the conflicting prototypes will cause a compiler error.
2354 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2355 #include <sys/types.h>
2356 #include <sys/mman.h>
2358 extern int madvise(int);
2359 int main(void) { return madvise(0); }''')
2361 config_host_data.set('CONFIG_MADVISE', has_madvise)
2362 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2364 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2365 #include <sys/mman.h>
2366 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2367 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2369 #if !defined(AT_EMPTY_PATH)
2370 # error missing definition
2372 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2374 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2375 #include <sys/mman.h>
2377 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2379 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2380 #include <pthread.h>
2382 static void *f(void *p) { return NULL; }
2386 pthread_create(&thread, 0, f, 0);
2387 pthread_setname_np(thread, "QEMU");
2389 }''', dependencies: threads))
2390 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2391 #include <pthread.h>
2393 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2397 pthread_create(&thread, 0, f, 0);
2399 }''', dependencies: threads))
2400 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2401 #include <pthread.h>
2402 #include <pthread_np.h>
2404 static void *f(void *p) { return NULL; }
2408 pthread_create(&thread, 0, f, 0);
2409 pthread_set_name_np(thread, "QEMU");
2411 }''', dependencies: threads))
2412 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2413 #include <pthread.h>
2418 pthread_condattr_t attr
2419 pthread_condattr_init(&attr);
2420 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2422 }''', dependencies: threads))
2423 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2424 #include <pthread.h>
2426 static void *f(void *p) { return NULL; }
2429 int setsize = CPU_ALLOC_SIZE(64);
2432 pthread_create(&thread, 0, f, 0);
2433 cpuset = CPU_ALLOC(64);
2434 CPU_ZERO_S(setsize, cpuset);
2435 pthread_setaffinity_np(thread, setsize, cpuset);
2436 pthread_getaffinity_np(thread, setsize, cpuset);
2439 }''', dependencies: threads))
2440 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2441 #include <sys/signalfd.h>
2443 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2444 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2452 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2453 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2457 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2458 #include <sys/mman.h>
2460 return mlockall(MCL_FUTURE);
2464 if get_option('l2tpv3').allowed() and have_system
2465 have_l2tpv3 = cc.has_type('struct mmsghdr',
2466 prefix: gnu_source_prefix + '''
2467 #include <sys/socket.h>
2468 #include <linux/ip.h>''')
2470 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2473 if get_option('netmap').allowed() and have_system
2474 have_netmap = cc.compiles('''
2475 #include <inttypes.h>
2477 #include <net/netmap.h>
2478 #include <net/netmap_user.h>
2479 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2482 int main(void) { return 0; }''')
2483 if not have_netmap and get_option('netmap').enabled()
2484 error('Netmap headers not available')
2487 config_host_data.set('CONFIG_NETMAP', have_netmap)
2489 # Work around a system header bug with some kernel/XFS header
2490 # versions where they both try to define 'struct fsxattr':
2491 # xfs headers will not try to redefine structs from linux headers
2492 # if this macro is set.
2493 config_host_data.set('HAVE_FSXATTR', cc.links('''
2494 #include <linux/fs.h>
2500 # Some versions of Mac OS X incorrectly define SIZE_MAX
2501 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2505 return printf("%zu", SIZE_MAX);
2506 }''', args: ['-Werror']))
2508 # See if 64-bit atomic operations are supported.
2509 # Note that without __atomic builtins, we can only
2510 # assume atomic loads/stores max at pointer size.
2511 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2515 uint64_t x = 0, y = 0;
2516 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2517 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2518 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2519 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2520 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2524 has_int128_type = cc.compiles('''
2527 int main(void) { b = a; }''')
2528 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2530 has_int128 = has_int128_type and cc.links('''
2539 config_host_data.set('CONFIG_INT128', has_int128)
2542 # "do we have 128-bit atomics which are handled inline and specifically not
2543 # via libatomic". The reason we can't use libatomic is documented in the
2544 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2545 # We only care about these operations on 16-byte aligned pointers, so
2546 # force 16-byte alignment of the pointer, which may be greater than
2547 # __alignof(unsigned __int128) for the host.
2548 atomic_test_128 = '''
2549 int main(int ac, char **av) {
2550 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2551 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2552 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2553 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2556 has_atomic128 = cc.links(atomic_test_128)
2558 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2560 if not has_atomic128
2561 # Even with __builtin_assume_aligned, the above test may have failed
2562 # without optimization enabled. Try again with optimizations locally
2563 # enabled for the function. See
2564 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2565 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2566 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2568 if not has_atomic128_opt
2569 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2572 __uint128_t x = 0, y = 0;
2573 __sync_val_compare_and_swap_16(&x, y, x);
2581 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2582 #include <sys/auxv.h>
2584 return getauxval(AT_HWCAP) == 0;
2587 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2588 #include <linux/usbdevice_fs.h>
2590 #ifndef USBDEVFS_GET_CAPABILITIES
2591 #error "USBDEVFS_GET_CAPABILITIES undefined"
2594 #ifndef USBDEVFS_DISCONNECT_CLAIM
2595 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2598 int main(void) { return 0; }'''))
2600 have_keyring = get_option('keyring') \
2601 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2602 .require(cc.compiles('''
2604 #include <asm/unistd.h>
2605 #include <linux/keyctl.h>
2606 #include <sys/syscall.h>
2609 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2610 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2611 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2613 have_cpuid_h = cc.links('''
2616 unsigned a, b, c, d;
2617 unsigned max = __get_cpuid_max(0, 0);
2620 __cpuid(1, a, b, c, d);
2624 __cpuid_count(7, 0, a, b, c, d);
2629 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2631 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2632 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2633 .require(cc.links('''
2635 #include <immintrin.h>
2636 static int __attribute__((target("avx2"))) bar(void *a) {
2637 __m256i x = *(__m256i *)a;
2638 return _mm256_testz_si256(x, x);
2640 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2641 '''), error_message: 'AVX2 not available').allowed())
2643 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2644 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2645 .require(cc.links('''
2647 #include <immintrin.h>
2648 static int __attribute__((target("avx512f"))) bar(void *a) {
2649 __m512i x = *(__m512i *)a;
2650 return _mm512_test_epi64_mask(x, x);
2652 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2653 '''), error_message: 'AVX512F not available').allowed())
2655 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2656 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2657 .require(cc.links('''
2659 #include <immintrin.h>
2660 static int __attribute__((target("avx512bw"))) bar(void *a) {
2662 __m512i res= _mm512_abs_epi8(*x);
2665 int main(int argc, char *argv[]) { return bar(argv[0]); }
2666 '''), error_message: 'AVX512BW not available').allowed())
2668 have_pvrdma = get_option('pvrdma') \
2669 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2670 .require(cc.compiles(gnu_source_prefix + '''
2671 #include <sys/mman.h>
2676 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2679 }'''), error_message: 'PVRDMA requires mremap').allowed()
2682 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2683 #include <infiniband/verbs.h>
2687 struct ibv_pd *pd = NULL;
2693 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2699 if get_option('membarrier').disabled()
2700 have_membarrier = false
2701 elif targetos == 'windows'
2702 have_membarrier = true
2703 elif targetos == 'linux'
2704 have_membarrier = cc.compiles('''
2705 #include <linux/membarrier.h>
2706 #include <sys/syscall.h>
2710 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2711 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2715 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2716 .require(have_membarrier, error_message: 'membarrier system call not available') \
2719 have_afalg = get_option('crypto_afalg') \
2720 .require(cc.compiles(gnu_source_prefix + '''
2722 #include <sys/types.h>
2723 #include <sys/socket.h>
2724 #include <linux/if_alg.h>
2727 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2730 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2731 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2733 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2734 'linux/vm_sockets.h', 'AF_VSOCK',
2735 prefix: '#include <sys/socket.h>',
2739 have_vss_sdk = false # old xp/2003 SDK
2740 if targetos == 'windows' and link_language == 'cpp'
2741 have_vss = cxx.compiles('''
2742 #define __MIDL_user_allocate_free_DEFINED__
2744 int main(void) { return VSS_CTX_BACKUP; }''')
2745 have_vss_sdk = cxx.has_header('vscoordint.h')
2747 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2749 foreach k, v: config_host
2750 if k.startswith('CONFIG_')
2751 config_host_data.set(k, v == 'y' ? 1 : v)
2755 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2756 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2757 if targetos == 'windows'
2758 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2764 }''', name: '_lock_file and _unlock_file'))
2767 if targetos == 'windows'
2768 mingw_has_setjmp_longjmp = cc.links('''
2772 * These functions are not available in setjmp header, but may be
2773 * available at link time, from libmingwex.a.
2775 extern int __mingw_setjmp(jmp_buf);
2776 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2778 __mingw_setjmp(env);
2779 __mingw_longjmp(env, 0);
2781 ''', name: 'mingw setjmp and longjmp')
2783 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2784 error('mingw must provide setjmp/longjmp for windows-arm64')
2788 ########################
2789 # Target configuration #
2790 ########################
2792 minikconf = find_program('scripts/minikconf.py')
2794 config_all_devices = {}
2795 config_all_disas = {}
2796 config_devices_mak_list = []
2797 config_devices_h = {}
2798 config_target_h = {}
2799 config_target_mak = {}
2802 'alpha' : ['CONFIG_ALPHA_DIS'],
2803 'avr' : ['CONFIG_AVR_DIS'],
2804 'cris' : ['CONFIG_CRIS_DIS'],
2805 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2806 'hppa' : ['CONFIG_HPPA_DIS'],
2807 'i386' : ['CONFIG_I386_DIS'],
2808 'x86_64' : ['CONFIG_I386_DIS'],
2809 'm68k' : ['CONFIG_M68K_DIS'],
2810 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2811 'mips' : ['CONFIG_MIPS_DIS'],
2812 'nios2' : ['CONFIG_NIOS2_DIS'],
2813 'or1k' : ['CONFIG_OPENRISC_DIS'],
2814 'ppc' : ['CONFIG_PPC_DIS'],
2815 'riscv' : ['CONFIG_RISCV_DIS'],
2816 'rx' : ['CONFIG_RX_DIS'],
2817 's390' : ['CONFIG_S390_DIS'],
2818 'sh4' : ['CONFIG_SH4_DIS'],
2819 'sparc' : ['CONFIG_SPARC_DIS'],
2820 'xtensa' : ['CONFIG_XTENSA_DIS'],
2821 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2824 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2826 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2827 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2828 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2829 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2830 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2831 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2832 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2833 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2834 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2835 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2836 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2837 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2838 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2839 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2841 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2843 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2844 actual_target_dirs = []
2846 foreach target : target_dirs
2847 config_target = { 'TARGET_NAME': target.split('-')[0] }
2848 if target.endswith('linux-user')
2849 if targetos != 'linux'
2853 error('Target @0@ is only available on a Linux host'.format(target))
2855 config_target += { 'CONFIG_LINUX_USER': 'y' }
2856 elif target.endswith('bsd-user')
2857 if 'CONFIG_BSD' not in config_host
2861 error('Target @0@ is only available on a BSD host'.format(target))
2863 config_target += { 'CONFIG_BSD_USER': 'y' }
2864 elif target.endswith('softmmu')
2865 config_target += { 'CONFIG_SOFTMMU': 'y' }
2867 if target.endswith('-user')
2869 'CONFIG_USER_ONLY': 'y',
2870 'CONFIG_QEMU_INTERP_PREFIX':
2871 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2876 foreach sym: accelerators
2877 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2878 config_target += { sym: 'y' }
2879 config_all += { sym: 'y' }
2880 if target in modular_tcg
2881 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2883 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2885 accel_kconfig += [ sym + '=y' ]
2888 if accel_kconfig.length() == 0
2892 error('No accelerator available for target @0@'.format(target))
2895 actual_target_dirs += target
2896 config_target += keyval.load('configs/targets' / target + '.mak')
2897 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2899 if 'TARGET_NEED_FDT' in config_target
2900 fdt_required += target
2904 if 'TARGET_BASE_ARCH' not in config_target
2905 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2907 if 'TARGET_ABI_DIR' not in config_target
2908 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2910 if 'TARGET_BIG_ENDIAN' not in config_target
2911 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2914 foreach k, v: disassemblers
2915 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2917 config_target += { sym: 'y' }
2918 config_all_disas += { sym: 'y' }
2923 config_target_data = configuration_data()
2924 foreach k, v: config_target
2925 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2927 elif ignored.contains(k)
2929 elif k == 'TARGET_BASE_ARCH'
2930 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2931 # not used to select files from sourcesets.
2932 config_target_data.set('TARGET_' + v.to_upper(), 1)
2933 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2934 config_target_data.set_quoted(k, v)
2936 config_target_data.set(k, 1)
2938 config_target_data.set(k, 0)
2940 config_target_data.set(k, v)
2943 config_target_data.set('QEMU_ARCH',
2944 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2945 config_target_h += {target: configure_file(output: target + '-config-target.h',
2946 configuration: config_target_data)}
2948 if target.endswith('-softmmu')
2949 config_input = meson.get_external_property(target, 'default')
2950 config_devices_mak = target + '-config-devices.mak'
2951 config_devices_mak = configure_file(
2952 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2953 output: config_devices_mak,
2954 depfile: config_devices_mak + '.d',
2956 command: [minikconf,
2957 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2958 config_devices_mak, '@DEPFILE@', '@INPUT@',
2959 host_kconfig, accel_kconfig,
2960 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2962 config_devices_data = configuration_data()
2963 config_devices = keyval.load(config_devices_mak)
2964 foreach k, v: config_devices
2965 config_devices_data.set(k, 1)
2967 config_devices_mak_list += config_devices_mak
2968 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2969 configuration: config_devices_data)}
2970 config_target += config_devices
2971 config_all_devices += config_devices
2973 config_target_mak += {target: config_target}
2975 target_dirs = actual_target_dirs
2977 # This configuration is used to build files that are shared by
2978 # multiple binaries, and then extracted out of the "common"
2979 # static_library target.
2981 # We do not use all_sources()/all_dependencies(), because it would
2982 # build literally all source files, including devices only used by
2983 # targets that are not built for this compilation. The CONFIG_ALL
2984 # pseudo symbol replaces it.
2986 config_all += config_all_devices
2987 config_all += config_host
2988 config_all += config_all_disas
2990 'CONFIG_XEN': xen.found(),
2991 'CONFIG_SOFTMMU': have_system,
2992 'CONFIG_USER_ONLY': have_user,
2996 target_configs_h = []
2997 foreach target: target_dirs
2998 target_configs_h += config_target_h[target]
2999 target_configs_h += config_devices_h.get(target, [])
3001 genh += custom_target('config-poison.h',
3002 input: [target_configs_h],
3003 output: 'config-poison.h',
3005 command: [find_program('scripts/make-config-poison.sh'),
3012 capstone = not_found
3013 if not get_option('capstone').auto() or have_system or have_user
3014 capstone = dependency('capstone', version: '>=3.0.5',
3015 method: 'pkg-config',
3016 required: get_option('capstone'))
3018 # Some versions of capstone have broken pkg-config file
3019 # that reports a wrong -I path, causing the #include to
3020 # fail later. If the system has such a broken version
3022 if capstone.found() and not cc.compiles('#include <capstone.h>',
3023 dependencies: [capstone])
3024 capstone = not_found
3025 if get_option('capstone').enabled()
3026 error('capstone requested, but it does not appear to work')
3031 libvfio_user_dep = not_found
3032 if have_system and vfio_user_server_allowed
3033 libvfio_user_proj = subproject('libvfio-user', required: true)
3034 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3038 fdt_opt = get_option('fdt')
3039 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3040 if fdt_opt == 'disabled'
3041 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3044 if fdt_opt in ['enabled', 'auto', 'system']
3045 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3046 if fdt.found() and cc.links('''
3048 #include <libfdt_env.h>
3049 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3052 elif fdt_opt == 'system'
3053 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3055 fdt_opt = 'internal'
3060 assert(fdt_opt == 'internal')
3061 libfdt_proj = subproject('dtc', required: true,
3062 default_options: ['tools=false', 'yaml=disabled',
3063 'python=disabled', 'default_library=static'])
3064 fdt = libfdt_proj.get_variable('libfdt_dep')
3067 fdt_opt = 'disabled'
3070 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3071 config_host_data.set('CONFIG_FDT', fdt.found())
3072 config_host_data.set('CONFIG_SLIRP', slirp.found())
3074 #####################
3075 # Generated sources #
3076 #####################
3078 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3080 hxtool = find_program('scripts/hxtool')
3081 shaderinclude = find_program('scripts/shaderinclude.py')
3082 qapi_gen = find_program('scripts/qapi-gen.py')
3083 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3084 meson.current_source_dir() / 'scripts/qapi/commands.py',
3085 meson.current_source_dir() / 'scripts/qapi/common.py',
3086 meson.current_source_dir() / 'scripts/qapi/error.py',
3087 meson.current_source_dir() / 'scripts/qapi/events.py',
3088 meson.current_source_dir() / 'scripts/qapi/expr.py',
3089 meson.current_source_dir() / 'scripts/qapi/gen.py',
3090 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3091 meson.current_source_dir() / 'scripts/qapi/main.py',
3092 meson.current_source_dir() / 'scripts/qapi/parser.py',
3093 meson.current_source_dir() / 'scripts/qapi/schema.py',
3094 meson.current_source_dir() / 'scripts/qapi/source.py',
3095 meson.current_source_dir() / 'scripts/qapi/types.py',
3096 meson.current_source_dir() / 'scripts/qapi/visit.py',
3097 meson.current_source_dir() / 'scripts/qapi-gen.py'
3101 python, files('scripts/tracetool.py'),
3102 '--backend=' + ','.join(get_option('trace_backends'))
3104 tracetool_depends = files(
3105 'scripts/tracetool/backend/log.py',
3106 'scripts/tracetool/backend/__init__.py',
3107 'scripts/tracetool/backend/dtrace.py',
3108 'scripts/tracetool/backend/ftrace.py',
3109 'scripts/tracetool/backend/simple.py',
3110 'scripts/tracetool/backend/syslog.py',
3111 'scripts/tracetool/backend/ust.py',
3112 'scripts/tracetool/format/ust_events_c.py',
3113 'scripts/tracetool/format/ust_events_h.py',
3114 'scripts/tracetool/format/__init__.py',
3115 'scripts/tracetool/format/d.py',
3116 'scripts/tracetool/format/simpletrace_stap.py',
3117 'scripts/tracetool/format/c.py',
3118 'scripts/tracetool/format/h.py',
3119 'scripts/tracetool/format/log_stap.py',
3120 'scripts/tracetool/format/stap.py',
3121 'scripts/tracetool/__init__.py',
3122 'scripts/tracetool/vcpu.py'
3125 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3126 meson.current_source_dir(),
3127 get_option('pkgversion'), meson.project_version()]
3128 qemu_version = custom_target('qemu-version.h',
3129 output: 'qemu-version.h',
3130 command: qemu_version_cmd,
3132 build_by_default: true,
3133 build_always_stale: true)
3134 genh += qemu_version
3138 ['qemu-options.hx', 'qemu-options.def'],
3139 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3143 ['hmp-commands.hx', 'hmp-commands.h'],
3144 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3147 foreach d : hx_headers
3148 hxdep += custom_target(d[1],
3152 build_by_default: true, # to be removed when added to a target
3153 command: [hxtool, '-h', '@INPUT0@'])
3161 authz_ss = ss.source_set()
3162 blockdev_ss = ss.source_set()
3163 block_ss = ss.source_set()
3164 chardev_ss = ss.source_set()
3165 common_ss = ss.source_set()
3166 crypto_ss = ss.source_set()
3167 hwcore_ss = ss.source_set()
3168 io_ss = ss.source_set()
3169 qmp_ss = ss.source_set()
3170 qom_ss = ss.source_set()
3171 softmmu_ss = ss.source_set()
3172 specific_fuzz_ss = ss.source_set()
3173 specific_ss = ss.source_set()
3174 stub_ss = ss.source_set()
3175 trace_ss = ss.source_set()
3176 user_ss = ss.source_set()
3177 util_ss = ss.source_set()
3180 qtest_module_ss = ss.source_set()
3181 tcg_module_ss = ss.source_set()
3187 target_softmmu_arch = {}
3188 target_user_arch = {}
3194 # TODO: add each directory to the subdirs from its own meson.build, once
3196 trace_events_subdirs = [
3205 trace_events_subdirs += [ 'linux-user' ]
3208 trace_events_subdirs += [ 'bsd-user' ]
3211 trace_events_subdirs += [
3220 trace_events_subdirs += [
3234 'hw/block/dataplane',
3284 if have_system or have_user
3285 trace_events_subdirs += [
3303 vhost_user = not_found
3304 if targetos == 'linux' and have_vhost_user
3305 libvhost_user = subproject('libvhost-user')
3306 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3309 libvduse = not_found
3311 libvduse_proj = subproject('libvduse')
3312 libvduse = libvduse_proj.get_variable('libvduse_dep')
3315 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3316 # that is filled in by qapi/.
3330 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3331 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3334 qom_ss = qom_ss.apply(config_host, strict: false)
3335 libqom = static_library('qom', qom_ss.sources() + genh,
3336 dependencies: [qom_ss.dependencies()],
3338 qom = declare_dependency(link_whole: libqom)
3340 event_loop_base = files('event-loop-base.c')
3341 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3342 build_by_default: true)
3343 event_loop_base = declare_dependency(link_whole: event_loop_base,
3344 dependencies: [qom])
3346 stub_ss = stub_ss.apply(config_all, strict: false)
3348 util_ss.add_all(trace_ss)
3349 util_ss = util_ss.apply(config_all, strict: false)
3350 libqemuutil = static_library('qemuutil',
3351 sources: util_ss.sources() + stub_ss.sources() + genh,
3352 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3353 qemuutil = declare_dependency(link_with: libqemuutil,
3354 sources: genh + version_res,
3355 dependencies: [event_loop_base])
3357 if have_system or have_user
3358 decodetree = generator(find_program('scripts/decodetree.py'),
3359 output: 'decode-@BASENAME@.c.inc',
3360 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3361 subdir('libdecnumber')
3378 if config_host_data.get('CONFIG_REPLICATION')
3379 block_ss.add(files('replication.c'))
3386 blockdev_ss.add(files(
3393 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3394 # os-win32.c does not
3395 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3396 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3399 common_ss.add(files('cpus-common.c'))
3400 specific_ss.add(files('cpu.c'))
3404 # Work around a gcc bug/misfeature wherein constant propagation looks
3406 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3407 # to guess that a const variable is always zero. Without lto, this is
3408 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3409 # without lto, not even the alias is required -- we simply use different
3410 # declarations in different compilation units.
3411 pagevary = files('page-vary-common.c')
3412 if get_option('b_lto')
3413 pagevary_flags = ['-fno-lto']
3414 if get_option('cfi')
3415 pagevary_flags += '-fno-sanitize=cfi-icall'
3417 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3418 c_args: pagevary_flags)
3419 pagevary = declare_dependency(link_with: pagevary)
3421 common_ss.add(pagevary)
3422 specific_ss.add(files('page-vary.c'))
3430 subdir('semihosting')
3438 common_user_inc = []
3440 subdir('common-user')
3442 subdir('linux-user')
3444 # needed for fuzzing binaries
3445 subdir('tests/qtest/libqos')
3446 subdir('tests/qtest/fuzz')
3449 tcg_real_module_ss = ss.source_set()
3450 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3451 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3452 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3453 'tcg': tcg_real_module_ss }}
3455 ########################
3456 # Library dependencies #
3457 ########################
3459 modinfo_collect = find_program('scripts/modinfo-collect.py')
3460 modinfo_generate = find_program('scripts/modinfo-generate.py')
3465 foreach d, list : modules
3466 if not (d == 'block' ? have_block : have_system)
3470 foreach m, module_ss : list
3472 module_ss = module_ss.apply(config_all, strict: false)
3473 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3474 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3480 if module_ss.sources() != []
3481 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3482 # input. Sources can be used multiple times but objects are
3483 # unique when it comes to lookup in compile_commands.json.
3484 # Depnds on a mesion version with
3485 # https://github.com/mesonbuild/meson/pull/8900
3486 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3487 output: d + '-' + m + '.modinfo',
3488 input: module_ss.sources() + genh,
3490 command: [modinfo_collect, module_ss.sources()])
3494 block_ss.add_all(module_ss)
3496 softmmu_ss.add_all(module_ss)
3502 foreach d, list : target_modules
3503 foreach m, module_ss : list
3505 foreach target : target_dirs
3506 if target.endswith('-softmmu')
3507 config_target = config_target_mak[target]
3508 config_target += config_host
3509 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3510 c_args = ['-DNEED_CPU_H',
3511 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3512 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3513 target_module_ss = module_ss.apply(config_target, strict: false)
3514 if target_module_ss.sources() != []
3515 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3516 sl = static_library(module_name,
3517 [genh, target_module_ss.sources()],
3518 dependencies: [modulecommon, target_module_ss.dependencies()],
3519 include_directories: target_inc,
3523 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3524 modinfo_files += custom_target(module_name + '.modinfo',
3525 output: module_name + '.modinfo',
3526 input: target_module_ss.sources() + genh,
3528 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3533 specific_ss.add_all(module_ss)
3539 foreach target : target_dirs
3540 if target.endswith('-softmmu')
3541 config_target = config_target_mak[target]
3542 config_devices_mak = target + '-config-devices.mak'
3543 modinfo_src = custom_target('modinfo-' + target + '.c',
3544 output: 'modinfo-' + target + '.c',
3545 input: modinfo_files,
3546 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3549 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3550 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3552 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3553 hw_arch[arch].add(modinfo_dep)
3558 nm = find_program('nm')
3559 undefsym = find_program('scripts/undefsym.py')
3560 block_syms = custom_target('block.syms', output: 'block.syms',
3561 input: [libqemuutil, block_mods],
3563 command: [undefsym, nm, '@INPUT@'])
3564 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3565 input: [libqemuutil, softmmu_mods],
3567 command: [undefsym, nm, '@INPUT@'])
3569 authz_ss = authz_ss.apply(config_host, strict: false)
3570 libauthz = static_library('authz', authz_ss.sources() + genh,
3571 dependencies: [authz_ss.dependencies()],
3573 build_by_default: false)
3575 authz = declare_dependency(link_whole: libauthz,
3578 crypto_ss = crypto_ss.apply(config_host, strict: false)
3579 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3580 dependencies: [crypto_ss.dependencies()],
3582 build_by_default: false)
3584 crypto = declare_dependency(link_whole: libcrypto,
3585 dependencies: [authz, qom])
3587 io_ss = io_ss.apply(config_host, strict: false)
3588 libio = static_library('io', io_ss.sources() + genh,
3589 dependencies: [io_ss.dependencies()],
3590 link_with: libqemuutil,
3592 build_by_default: false)
3594 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3596 libmigration = static_library('migration', sources: migration_files + genh,
3598 build_by_default: false)
3599 migration = declare_dependency(link_with: libmigration,
3600 dependencies: [zlib, qom, io])
3601 softmmu_ss.add(migration)
3603 block_ss = block_ss.apply(config_host, strict: false)
3604 libblock = static_library('block', block_ss.sources() + genh,
3605 dependencies: block_ss.dependencies(),
3606 link_depends: block_syms,
3608 build_by_default: false)
3610 block = declare_dependency(link_whole: [libblock],
3611 link_args: '@block.syms',
3612 dependencies: [crypto, io])
3614 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3615 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3616 dependencies: blockdev_ss.dependencies(),
3618 build_by_default: false)
3620 blockdev = declare_dependency(link_whole: [libblockdev],
3621 dependencies: [block, event_loop_base])
3623 qmp_ss = qmp_ss.apply(config_host, strict: false)
3624 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3625 dependencies: qmp_ss.dependencies(),
3627 build_by_default: false)
3629 qmp = declare_dependency(link_whole: [libqmp])
3631 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3633 dependencies: chardev_ss.dependencies(),
3634 build_by_default: false)
3636 chardev = declare_dependency(link_whole: libchardev)
3638 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3639 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3641 build_by_default: false)
3642 hwcore = declare_dependency(link_whole: libhwcore)
3643 common_ss.add(hwcore)
3649 emulator_modules = []
3650 foreach m : block_mods + softmmu_mods
3651 emulator_modules += shared_module(m.name(),
3652 build_by_default: true,
3656 install_dir: qemu_moddir)
3658 if emulator_modules.length() > 0
3659 alias_target('modules', emulator_modules)
3662 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3663 common_ss.add(qom, qemuutil)
3665 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3666 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3668 common_all = common_ss.apply(config_all, strict: false)
3669 common_all = static_library('common',
3670 build_by_default: false,
3671 sources: common_all.sources() + genh,
3672 include_directories: common_user_inc,
3673 implicit_include_directories: false,
3674 dependencies: common_all.dependencies(),
3677 feature_to_c = find_program('scripts/feature_to_c.sh')
3679 if targetos == 'darwin'
3680 entitlement = find_program('scripts/entitlement.sh')
3684 foreach target : target_dirs
3685 config_target = config_target_mak[target]
3686 target_name = config_target['TARGET_NAME']
3687 target_base_arch = config_target['TARGET_BASE_ARCH']
3688 arch_srcs = [config_target_h[target]]
3690 c_args = ['-DNEED_CPU_H',
3691 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3692 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3693 link_args = emulator_link_args
3695 config_target += config_host
3696 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3697 if targetos == 'linux'
3698 target_inc += include_directories('linux-headers', is_system: true)
3700 if target.endswith('-softmmu')
3701 target_type='system'
3702 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3703 arch_srcs += t.sources()
3704 arch_deps += t.dependencies()
3706 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3707 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3708 arch_srcs += hw.sources()
3709 arch_deps += hw.dependencies()
3711 arch_srcs += config_devices_h[target]
3712 link_args += ['@block.syms', '@qemu.syms']
3714 abi = config_target['TARGET_ABI_DIR']
3716 target_inc += common_user_inc
3717 if target_base_arch in target_user_arch
3718 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3719 arch_srcs += t.sources()
3720 arch_deps += t.dependencies()
3722 if 'CONFIG_LINUX_USER' in config_target
3723 base_dir = 'linux-user'
3725 if 'CONFIG_BSD_USER' in config_target
3726 base_dir = 'bsd-user'
3727 target_inc += include_directories('bsd-user/' / targetos)
3728 target_inc += include_directories('bsd-user/host/' / host_arch)
3729 dir = base_dir / abi
3730 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3732 target_inc += include_directories(
3736 if 'CONFIG_LINUX_USER' in config_target
3737 dir = base_dir / abi
3738 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3739 if config_target.has_key('TARGET_SYSTBL_ABI')
3741 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3742 extra_args : config_target['TARGET_SYSTBL_ABI'])
3747 if 'TARGET_XML_FILES' in config_target
3748 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3749 output: target + '-gdbstub-xml.c',
3750 input: files(config_target['TARGET_XML_FILES'].split()),
3751 command: [feature_to_c, '@INPUT@'],
3753 arch_srcs += gdbstub_xml
3756 t = target_arch[target_base_arch].apply(config_target, strict: false)
3757 arch_srcs += t.sources()
3758 arch_deps += t.dependencies()
3760 target_common = common_ss.apply(config_target, strict: false)
3761 objects = common_all.extract_objects(target_common.sources())
3762 deps = target_common.dependencies()
3764 target_specific = specific_ss.apply(config_target, strict: false)
3765 arch_srcs += target_specific.sources()
3766 arch_deps += target_specific.dependencies()
3768 lib = static_library('qemu-' + target,
3769 sources: arch_srcs + genh,
3770 dependencies: arch_deps,
3772 include_directories: target_inc,
3774 build_by_default: false,
3777 if target.endswith('-softmmu')
3779 'name': 'qemu-system-' + target_name,
3780 'win_subsystem': 'console',
3781 'sources': files('softmmu/main.c'),
3784 if targetos == 'windows' and (sdl.found() or gtk.found())
3786 'name': 'qemu-system-' + target_name + 'w',
3787 'win_subsystem': 'windows',
3788 'sources': files('softmmu/main.c'),
3792 if get_option('fuzzing')
3793 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3795 'name': 'qemu-fuzz-' + target_name,
3796 'win_subsystem': 'console',
3797 'sources': specific_fuzz.sources(),
3798 'dependencies': specific_fuzz.dependencies(),
3803 'name': 'qemu-' + target_name,
3804 'win_subsystem': 'console',
3810 exe_name = exe['name']
3811 if targetos == 'darwin'
3812 exe_name += '-unsigned'
3815 emulator = executable(exe_name, exe['sources'],
3818 dependencies: arch_deps + deps + exe['dependencies'],
3819 objects: lib.extract_all_objects(recursive: true),
3820 link_language: link_language,
3821 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3822 link_args: link_args,
3823 win_subsystem: exe['win_subsystem'])
3825 if targetos == 'darwin'
3826 icon = 'pc-bios/qemu.rsrc'
3827 build_input = [emulator, files(icon)]
3829 get_option('bindir') / exe_name,
3830 meson.current_source_dir() / icon
3832 if 'CONFIG_HVF' in config_target
3833 entitlements = 'accel/hvf/entitlements.plist'
3834 build_input += files(entitlements)
3835 install_input += meson.current_source_dir() / entitlements
3838 emulators += {exe['name'] : custom_target(exe['name'],
3840 output: exe['name'],
3841 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3844 meson.add_install_script(entitlement, '--install',
3845 get_option('bindir') / exe['name'],
3848 emulators += {exe['name']: emulator}
3853 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3854 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3855 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3856 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3858 custom_target(exe['name'] + stp['ext'],
3859 input: trace_events_all,
3860 output: exe['name'] + stp['ext'],
3861 install: stp['install'],
3862 install_dir: get_option('datadir') / 'systemtap/tapset',
3864 tracetool, '--group=all', '--format=' + stp['fmt'],
3865 '--binary=' + stp['bin'],
3866 '--target-name=' + target_name,
3867 '--target-type=' + target_type,
3868 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3869 '@INPUT@', '@OUTPUT@'
3871 depend_files: tracetool_depends)
3877 # Other build targets
3879 if 'CONFIG_PLUGIN' in config_host
3880 install_headers('include/qemu/qemu-plugin.h')
3885 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3886 # when we don't build tools or system
3887 if xkbcommon.found()
3888 # used for the update-keymaps target, so include rules even if !have_tools
3889 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3890 dependencies: [qemuutil, xkbcommon], install: have_tools)
3894 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3895 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3896 qemu_io = executable('qemu-io', files('qemu-io.c'),
3897 dependencies: [block, qemuutil], install: true)
3898 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3899 dependencies: [blockdev, qemuutil, gnutls, selinux],
3902 subdir('storage-daemon')
3903 subdir('contrib/rdmacm-mux')
3904 subdir('contrib/elf2dmp')
3906 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3907 dependencies: qemuutil,
3911 subdir('contrib/vhost-user-blk')
3912 subdir('contrib/vhost-user-gpu')
3913 subdir('contrib/vhost-user-input')
3914 subdir('contrib/vhost-user-scsi')
3917 if targetos == 'linux'
3918 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3919 dependencies: [qemuutil, libcap_ng],
3921 install_dir: get_option('libexecdir'))
3923 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3924 dependencies: [authz, crypto, io, qom, qemuutil,
3925 libcap_ng, mpathpersist],
3930 subdir('contrib/ivshmem-client')
3931 subdir('contrib/ivshmem-server')
3944 if host_machine.system() == 'windows'
3946 find_program('scripts/nsis.py'),
3948 get_option('prefix'),
3949 meson.current_source_dir(),
3950 glib_pc.get_variable('bindir'),
3953 '-DDISPLAYVERSION=' + meson.project_version(),
3956 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3959 nsis_cmd += '-DCONFIG_GTK=y'
3962 nsis = custom_target('nsis',
3963 output: 'qemu-setup-' + meson.project_version() + '.exe',
3964 input: files('qemu.nsi'),
3965 build_always_stale: true,
3966 command: nsis_cmd + ['@INPUT@'])
3967 alias_target('installer', nsis)
3970 #########################
3971 # Configuration summary #
3972 #########################
3976 summary_info += {'Build directory': meson.current_build_dir()}
3977 summary_info += {'Source path': meson.current_source_dir()}
3978 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3979 summary(summary_info, bool_yn: true, section: 'Build environment')
3982 summary_info += {'Install prefix': get_option('prefix')}
3983 summary_info += {'BIOS directory': qemu_datadir}
3984 pathsep = targetos == 'windows' ? ';' : ':'
3985 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3986 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3987 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3988 summary_info += {'module directory': qemu_moddir}
3989 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3990 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3991 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3992 if targetos != 'windows'
3993 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3994 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3996 summary_info += {'local state directory': 'queried at runtime'}
3998 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3999 summary(summary_info, bool_yn: true, section: 'Directories')
4003 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4004 summary_info += {'sphinx-build': sphinx_build}
4005 if config_host.has_key('HAVE_GDB_BIN')
4006 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4008 summary_info += {'iasl': iasl}
4009 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4010 if targetos == 'windows' and have_ga
4011 summary_info += {'wixl': wixl}
4013 if slirp.found() and have_system
4014 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4016 summary(summary_info, bool_yn: true, section: 'Host binaries')
4018 # Configurable features
4020 summary_info += {'Documentation': build_docs}
4021 summary_info += {'system-mode emulation': have_system}
4022 summary_info += {'user-mode emulation': have_user}
4023 summary_info += {'block layer': have_block}
4024 summary_info += {'Install blobs': get_option('install_blobs')}
4025 summary_info += {'module support': enable_modules}
4027 summary_info += {'alternative module path': get_option('module_upgrades')}
4029 summary_info += {'fuzzing support': get_option('fuzzing')}
4031 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4033 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4034 if 'simple' in get_option('trace_backends')
4035 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4037 summary_info += {'D-Bus display': dbus_display}
4038 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4039 summary_info += {'vhost-kernel support': have_vhost_kernel}
4040 summary_info += {'vhost-net support': have_vhost_net}
4041 summary_info += {'vhost-user support': have_vhost_user}
4042 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4043 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4044 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4045 summary_info += {'build guest agent': have_ga}
4046 summary(summary_info, bool_yn: true, section: 'Configurable features')
4048 # Compilation information
4050 summary_info += {'host CPU': cpu}
4051 summary_info += {'host endianness': build_machine.endian()}
4052 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4053 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4054 if link_language == 'cpp'
4055 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4057 summary_info += {'C++ compiler': false}
4059 if targetos == 'darwin'
4060 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4062 option_cflags = (get_option('debug') ? ['-g'] : [])
4063 if get_option('optimization') != 'plain'
4064 option_cflags += ['-O' + get_option('optimization')]
4066 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4067 if link_language == 'cpp'
4068 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4070 if targetos == 'darwin'
4071 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4073 link_args = get_option(link_language + '_link_args')
4074 if link_args.length() > 0
4075 summary_info += {'LDFLAGS': ' '.join(link_args)}
4077 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4078 if 'cpp' in all_languages
4079 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4081 if 'objc' in all_languages
4082 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4084 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4085 summary_info += {'profiler': get_option('profiler')}
4086 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4087 summary_info += {'PIE': get_option('b_pie')}
4088 summary_info += {'static build': get_option('prefer_static')}
4089 summary_info += {'malloc trim support': has_malloc_trim}
4090 summary_info += {'membarrier': have_membarrier}
4091 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4092 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4093 summary_info += {'mutex debugging': get_option('debug_mutex')}
4094 summary_info += {'memory allocator': get_option('malloc')}
4095 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4096 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4097 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4098 if get_option('gprof')
4099 gprof_info = 'YES (deprecated)'
4101 gprof_info = get_option('gprof')
4103 summary_info += {'gprof': gprof_info}
4104 summary_info += {'gcov': get_option('b_coverage')}
4105 summary_info += {'thread sanitizer': get_option('tsan')}
4106 summary_info += {'CFI support': get_option('cfi')}
4107 if get_option('cfi')
4108 summary_info += {'CFI debug support': get_option('cfi_debug')}
4110 summary_info += {'strip binaries': get_option('strip')}
4111 summary_info += {'sparse': sparse}
4112 summary_info += {'mingw32 support': targetos == 'windows'}
4113 summary(summary_info, bool_yn: true, section: 'Compilation')
4115 # snarf the cross-compilation information for tests
4118 foreach target: target_dirs
4119 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4120 if fs.exists(tcg_mak)
4121 config_cross_tcg = keyval.load(tcg_mak)
4122 if 'CC' in config_cross_tcg
4123 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4129 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4132 # Targets and accelerators
4135 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4136 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4137 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4138 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4139 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4140 summary_info += {'Xen support': xen.found()}
4142 summary_info += {'xen ctrl version': xen.version()}
4144 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4146 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4147 if config_all.has_key('CONFIG_TCG')
4148 if get_option('tcg_interpreter')
4149 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4151 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4153 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4154 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4156 summary_info += {'target list': ' '.join(target_dirs)}
4158 summary_info += {'default devices': get_option('default_devices')}
4159 summary_info += {'out of process emulation': multiprocess_allowed}
4160 summary_info += {'vfio-user server': vfio_user_server_allowed}
4162 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4166 summary_info += {'coroutine backend': coroutine_backend}
4167 summary_info += {'coroutine pool': have_coroutine_pool}
4169 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4170 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4171 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4172 summary_info += {'VirtFS (9P) support': have_virtfs}
4173 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4174 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4175 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4176 summary_info += {'bochs support': get_option('bochs').allowed()}
4177 summary_info += {'cloop support': get_option('cloop').allowed()}
4178 summary_info += {'dmg support': get_option('dmg').allowed()}
4179 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4180 summary_info += {'vdi support': get_option('vdi').allowed()}
4181 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4182 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4183 summary_info += {'vpc support': get_option('vpc').allowed()}
4184 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4185 summary_info += {'qed support': get_option('qed').allowed()}
4186 summary_info += {'parallels support': get_option('parallels').allowed()}
4187 summary_info += {'FUSE exports': fuse}
4188 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4190 summary(summary_info, bool_yn: true, section: 'Block layer support')
4194 summary_info += {'TLS priority': get_option('tls_priority')}
4195 summary_info += {'GNUTLS support': gnutls}
4197 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4199 summary_info += {'libgcrypt': gcrypt}
4200 summary_info += {'nettle': nettle}
4202 summary_info += {' XTS': xts != 'private'}
4204 summary_info += {'AF_ALG support': have_afalg}
4205 summary_info += {'rng-none': get_option('rng_none')}
4206 summary_info += {'Linux keyring': have_keyring}
4207 summary(summary_info, bool_yn: true, section: 'Crypto')
4211 if targetos == 'darwin'
4212 summary_info += {'Cocoa support': cocoa}
4214 summary_info += {'SDL support': sdl}
4215 summary_info += {'SDL image support': sdl_image}
4216 summary_info += {'GTK support': gtk}
4217 summary_info += {'pixman': pixman}
4218 summary_info += {'VTE support': vte}
4219 summary_info += {'PNG support': png}
4220 summary_info += {'VNC support': vnc}
4222 summary_info += {'VNC SASL support': sasl}
4223 summary_info += {'VNC JPEG support': jpeg}
4225 summary_info += {'spice protocol support': spice_protocol}
4226 if spice_protocol.found()
4227 summary_info += {' spice server support': spice}
4229 summary_info += {'curses support': curses}
4230 summary_info += {'brlapi support': brlapi}
4231 summary(summary_info, bool_yn: true, section: 'User interface')
4235 if targetos not in ['darwin', 'haiku', 'windows']
4236 summary_info += {'OSS support': oss}
4237 summary_info += {'sndio support': sndio}
4238 elif targetos == 'darwin'
4239 summary_info += {'CoreAudio support': coreaudio}
4240 elif targetos == 'windows'
4241 summary_info += {'DirectSound support': dsound}
4243 if targetos == 'linux'
4244 summary_info += {'ALSA support': alsa}
4245 summary_info += {'PulseAudio support': pulse}
4247 summary_info += {'Pipewire support': pipewire}
4248 summary_info += {'JACK support': jack}
4249 summary(summary_info, bool_yn: true, section: 'Audio backends')
4253 if targetos == 'darwin'
4254 summary_info += {'vmnet.framework support': vmnet}
4256 summary_info += {'slirp support': slirp}
4257 summary_info += {'vde support': vde}
4258 summary_info += {'netmap support': have_netmap}
4259 summary_info += {'l2tpv3 support': have_l2tpv3}
4260 summary(summary_info, bool_yn: true, section: 'Network backends')
4264 summary_info += {'libtasn1': tasn1}
4265 summary_info += {'PAM': pam}
4266 summary_info += {'iconv support': iconv}
4267 summary_info += {'virgl support': virgl}
4268 summary_info += {'blkio support': blkio}
4269 summary_info += {'curl support': curl}
4270 summary_info += {'Multipath support': mpathpersist}
4271 summary_info += {'Linux AIO support': libaio}
4272 summary_info += {'Linux io_uring support': linux_io_uring}
4273 summary_info += {'ATTR/XATTR support': libattr}
4274 summary_info += {'RDMA support': rdma}
4275 summary_info += {'PVRDMA support': have_pvrdma}
4276 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4277 summary_info += {'libcap-ng support': libcap_ng}
4278 summary_info += {'bpf support': libbpf}
4279 summary_info += {'rbd support': rbd}
4280 summary_info += {'smartcard support': cacard}
4281 summary_info += {'U2F support': u2f}
4282 summary_info += {'libusb': libusb}
4283 summary_info += {'usb net redir': usbredir}
4284 summary_info += {'OpenGL support (epoxy)': opengl}
4285 summary_info += {'GBM': gbm}
4286 summary_info += {'libiscsi support': libiscsi}
4287 summary_info += {'libnfs support': libnfs}
4288 if targetos == 'windows'
4290 summary_info += {'QGA VSS support': have_qga_vss}
4293 summary_info += {'seccomp support': seccomp}
4294 summary_info += {'GlusterFS support': glusterfs}
4295 summary_info += {'TPM support': have_tpm}
4296 summary_info += {'libssh support': libssh}
4297 summary_info += {'lzo support': lzo}
4298 summary_info += {'snappy support': snappy}
4299 summary_info += {'bzip2 support': libbzip2}
4300 summary_info += {'lzfse support': liblzfse}
4301 summary_info += {'zstd support': zstd}
4302 summary_info += {'NUMA host support': numa}
4303 summary_info += {'capstone': capstone}
4304 summary_info += {'libpmem support': libpmem}
4305 summary_info += {'libdaxctl support': libdaxctl}
4306 summary_info += {'libudev': libudev}
4307 # Dummy dependency, keep .found()
4308 summary_info += {'FUSE lseek': fuse_lseek.found()}
4309 summary_info += {'selinux': selinux}
4310 summary_info += {'libdw': libdw}
4311 summary(summary_info, bool_yn: true, section: 'Dependencies')
4313 if not supported_cpus.contains(cpu)
4315 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4317 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4318 message('The QEMU project intends to remove support for this host CPU in')
4319 message('a future release if nobody volunteers to maintain it and to')
4320 message('provide a build host for our continuous integration setup.')
4321 message('configure has succeeded and you can continue to build, but')
4322 message('if you care about QEMU on this platform you should contact')
4323 message('us upstream at qemu-devel@nongnu.org.')
4326 if not supported_oses.contains(targetos)
4328 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4330 message('Host OS ' + targetos + 'support is not currently maintained.')
4331 message('The QEMU project intends to remove support for this host OS in')
4332 message('a future release if nobody volunteers to maintain it and to')
4333 message('provide a build host for our continuous integration setup.')
4334 message('configure has succeeded and you can continue to build, but')
4335 message('if you care about QEMU on this platform you should contact')
4336 message('us upstream at qemu-devel@nongnu.org.')