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 targetos == 'windows' and 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', 'riscv32', 'riscv64', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 enable_modules = get_option('modules') \
82 .require(targetos != 'windows',
83 error_message: 'Modules are not available for Windows') \
84 .require(not get_option('prefer_static'),
85 error_message: 'Modules are incompatible with static linking') \
87 have_block = have_system or have_tools
89 python = import('python').find_installation()
91 if cpu not in supported_cpus
97 elif cpu in ['riscv32', 'riscv64']
103 if cpu in ['x86', 'x86_64']
104 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
105 elif cpu == 'aarch64'
106 kvm_targets = ['aarch64-softmmu']
108 kvm_targets = ['s390x-softmmu']
109 elif cpu in ['ppc', 'ppc64']
110 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
111 elif cpu in ['mips', 'mips64']
112 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
113 elif cpu in ['riscv32']
114 kvm_targets = ['riscv32-softmmu']
115 elif cpu in ['riscv64']
116 kvm_targets = ['riscv64-softmmu']
122 if get_option('kvm').allowed() and targetos == 'linux'
123 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
126 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
128 if cpu in ['x86', 'x86_64']
129 xen_targets = ['i386-softmmu', 'x86_64-softmmu']
130 elif cpu in ['arm', 'aarch64']
131 # i386 emulator provides xenpv machine type for multiple architectures
132 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
136 accelerator_targets += { 'CONFIG_XEN': xen_targets }
138 if cpu in ['aarch64']
139 accelerator_targets += {
140 'CONFIG_HVF': ['aarch64-softmmu']
144 if cpu in ['x86', 'x86_64']
145 accelerator_targets += {
146 'CONFIG_HVF': ['x86_64-softmmu'],
147 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
148 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
153 # Darwin does not support references to thread-local variables in modules
154 if targetos != 'darwin'
155 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
158 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
159 unpack_edk2_blobs = false
160 foreach target : edk2_targets
161 if target in target_dirs
162 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
163 unpack_edk2_blobs = bzip2.found()
170 if 'dtrace' in get_option('trace_backends')
171 dtrace = find_program('dtrace', required: true)
172 stap = find_program('stap', required: false)
174 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
175 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
176 # instead. QEMU --enable-modules depends on this because the SystemTap
177 # semaphores are linked into the main binary and not the module's shared
179 add_global_arguments('-DSTAP_SDT_V2',
180 native: false, language: all_languages)
184 if get_option('iasl') == ''
185 iasl = find_program('iasl', required: false)
187 iasl = find_program(get_option('iasl'), required: true)
194 foreach lang : all_languages
195 compiler = meson.get_compiler(lang)
196 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
198 elif compiler.get_id() == 'clang' and compiler.compiles('''
199 #ifdef __apple_build_version__
200 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
201 # error You need at least XCode Clang v12.0 to compile QEMU
204 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
205 # error You need at least Clang v10.0 to compile QEMU
210 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
214 # default flags for all hosts
215 # We use -fwrapv to tell the compiler that we require a C dialect where
216 # left shift of signed integers is well defined and has the expected
217 # 2s-complement style results. (Both clang and gcc agree that it
218 # provides these semantics.)
220 qemu_common_flags = [
221 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
222 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
226 if targetos == 'darwin'
227 # Disable attempts to use ObjectiveC features in os/object.h since they
228 # won't work when we're compiling with gcc as a C compiler.
229 if compiler.get_id() == 'gcc'
230 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
232 elif targetos == 'sunos'
233 # needed for CMSG_ macros in sys/socket.h
234 qemu_common_flags += '-D_XOPEN_SOURCE=600'
235 # needed for TIOCWIN* defines in termios.h
236 qemu_common_flags += '-D__EXTENSIONS__'
237 elif targetos == 'haiku'
238 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
241 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
242 # use i686 as default anyway, but for those that don't, an explicit
243 # specification is necessary
244 if host_arch == 'i386' and not cc.links('''
245 static int sfaa(int *ptr)
247 return __sync_fetch_and_and(ptr, 0);
253 val = __sync_val_compare_and_swap(&val, 0, 1);
257 qemu_common_flags = ['-march=i486'] + qemu_common_flags
260 if get_option('prefer_static')
261 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
264 # Meson currently only handles pie as a boolean for now, so if the user
265 # has explicitly disabled PIE we need to extend our cflags.
267 # -no-pie is supposedly a linker flag that has no effect on the compiler
268 # command line, but some distros, that didn't quite know what they were
269 # doing, made local changes to gcc's specs file that turned it into
270 # a compiler command-line flag.
272 # What about linker flags? For a static build, no PIE is implied by -static
273 # which we added above (and if it's not because of the same specs patching,
274 # there's nothing we can do: compilation will fail, report a bug to your
275 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
276 # instead, we can't add -no-pie because it overrides -shared: the linker then
277 # tries to build an executable instead of a shared library and fails. So
278 # don't add -no-pie anywhere and cross fingers. :(
279 if not get_option('b_pie')
280 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
283 if not get_option('stack_protector').disabled()
284 stack_protector_probe = '''
285 int main(int argc, char *argv[])
287 char arr[64], *p = arr, *c = argv[argc - 1];
293 have_stack_protector = false
294 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
295 # We need to check both a compile and a link, since some compiler
296 # setups fail only on a .c->.o compile and some only at link time
297 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
298 cc.links(stack_protector_probe, args: ['-Werror', arg])
299 have_stack_protector = true
305 get_option('stack_protector') \
306 .require(have_stack_protector, error_message: 'Stack protector not supported')
309 coroutine_backend = get_option('coroutine_backend')
311 #include <ucontext.h>
312 #ifdef __stub_makecontext
313 #error Ignoring glibc stub makecontext which will always fail
315 int main(void) { makecontext(0, 0, 0); return 0; }'''
317 # On Windows the only valid backend is the Windows specific one.
318 # For POSIX prefer ucontext, but it's not always possible. The fallback
320 supported_backends = []
321 if targetos == 'windows'
322 supported_backends += ['windows']
324 if targetos != 'darwin' and cc.links(ucontext_probe)
325 supported_backends += ['ucontext']
327 supported_backends += ['sigaltstack']
330 if coroutine_backend == 'auto'
331 coroutine_backend = supported_backends[0]
332 elif coroutine_backend not in supported_backends
333 error('"@0@" backend requested but not available. Available backends: @1@' \
334 .format(coroutine_backend, ', '.join(supported_backends)))
337 # Compiles if SafeStack *not* enabled
338 safe_stack_probe = '''
341 #if defined(__has_feature)
342 #if __has_feature(safe_stack)
343 #error SafeStack Enabled
348 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
349 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
351 error(get_option('safe_stack') \
352 ? 'SafeStack not supported by your compiler' \
353 : 'Cannot disable SafeStack')
355 qemu_cflags += safe_stack_arg
356 qemu_ldflags += safe_stack_arg
358 if get_option('safe_stack') and coroutine_backend != 'ucontext'
359 error('SafeStack is only supported with the ucontext coroutine backend')
362 if get_option('sanitizers')
363 if cc.has_argument('-fsanitize=address')
364 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
365 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
368 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
369 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
370 args: [qemu_ldflags, '-fsanitize=undefined'])
371 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
372 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
376 # Thread sanitizer is, for now, much noisier than the other sanitizers;
377 # keep it separate until that is not the case.
378 if get_option('tsan')
379 if get_option('sanitizers')
380 error('TSAN is not supported with other sanitizers')
382 if not cc.has_function('__tsan_create_fiber',
383 args: '-fsanitize=thread',
384 prefix: '#include <sanitizer/tsan_interface.h>')
385 error('Cannot enable TSAN due to missing fiber annotation interface')
387 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
388 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
391 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
392 # The combination is known as "full relro", because .got.plt is read-only too.
393 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
395 if targetos == 'windows'
396 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
397 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
400 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
401 if targetos != 'sunos' and not get_option('tsan')
402 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
405 if get_option('fuzzing')
406 # Specify a filter to only instrument code that is directly related to
408 configure_file(output: 'instrumentation-filter',
409 input: 'scripts/oss-fuzz/instrumentation-filter-template',
412 if cc.compiles('int main () { return 0; }',
413 name: '-fsanitize-coverage-allowlist=/dev/null',
414 args: ['-fsanitize-coverage-allowlist=/dev/null',
415 '-fsanitize-coverage=trace-pc'] )
416 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
419 if get_option('fuzzing_engine') == ''
420 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
421 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
422 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
423 # unable to bind the fuzzer-related callbacks added by instrumentation.
424 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
425 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
426 # For the actual fuzzer binaries, we need to link against the libfuzzer
427 # library. They need to be configurable, to support OSS-Fuzz
428 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
430 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
431 # the needed CFLAGS have already been provided
432 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
436 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
437 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
439 # Collect warnings that we want to enable
444 '-Wmissing-prototypes',
445 '-Wstrict-prototypes',
447 '-Wold-style-declaration',
448 '-Wold-style-definition',
453 '-Wignored-qualifiers',
457 '-Wexpansion-to-defined',
458 '-Wimplicit-fallthrough=2',
459 '-Wmissing-format-attribute',
460 '-Wno-initializer-overrides',
461 '-Wno-missing-include-dirs',
462 '-Wno-shift-negative-value',
463 '-Wno-string-plus-int',
464 '-Wno-typedef-redefinition',
465 '-Wno-tautological-type-limit-compare',
467 '-Wno-gnu-variable-sized-type-not-at-end',
471 if targetos != 'darwin'
472 warn_flags += ['-Wthread-safety']
475 # Set up C++ compiler flags
477 if 'cpp' in all_languages
478 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
481 add_project_arguments(qemu_cflags, native: false, language: 'c')
482 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
483 if 'cpp' in all_languages
484 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
485 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
487 if 'objc' in all_languages
488 # Note sanitizer flags are not applied to Objective-C sources!
489 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
491 if targetos == 'linux'
492 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
493 '-isystem', 'linux-headers',
494 language: all_languages)
497 add_project_arguments('-iquote', '.',
498 '-iquote', meson.current_source_dir(),
499 '-iquote', meson.current_source_dir() / 'include',
500 language: all_languages)
502 # If a host-specific include directory exists, list that first...
503 host_include = meson.current_source_dir() / 'host/include/'
504 if fs.is_dir(host_include / host_arch)
505 add_project_arguments('-iquote', host_include / host_arch,
506 language: all_languages)
508 # ... followed by the generic fallback.
509 add_project_arguments('-iquote', host_include / 'generic',
510 language: all_languages)
512 sparse = find_program('cgcc', required: get_option('sparse'))
515 command: [find_program('scripts/check_sparse.py'),
516 'compile_commands.json', sparse.full_path(), '-Wbitwise',
517 '-Wno-transparent-union', '-Wno-old-initializer',
518 '-Wno-non-pointer-null'])
521 ###########################################
522 # Target-specific checks and dependencies #
523 ###########################################
526 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
529 #include <sys/types.h>
530 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
531 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
533 args: ['-Werror', '-fsanitize=fuzzer'])
534 error('Your compiler does not support -fsanitize=fuzzer')
538 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
539 error('ftrace is supported only on Linux')
541 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
544 openlog("qemu", LOG_PID, LOG_DAEMON);
545 syslog(LOG_INFO, "configure");
548 error('syslog is not supported on this system')
551 # Miscellaneous Linux-only features
552 get_option('mpath') \
553 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
555 multiprocess_allowed = get_option('multiprocess') \
556 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
559 vfio_user_server_allowed = get_option('vfio_user_server') \
560 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
563 have_tpm = get_option('tpm') \
564 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
568 have_vhost_user = get_option('vhost_user') \
569 .disable_auto_if(targetos != 'linux') \
570 .require(targetos != 'windows',
571 error_message: 'vhost-user is not available on Windows').allowed()
572 have_vhost_vdpa = get_option('vhost_vdpa') \
573 .require(targetos == 'linux',
574 error_message: 'vhost-vdpa is only available on Linux').allowed()
575 have_vhost_kernel = get_option('vhost_kernel') \
576 .require(targetos == 'linux',
577 error_message: 'vhost-kernel is only available on Linux').allowed()
578 have_vhost_user_crypto = get_option('vhost_crypto') \
579 .require(have_vhost_user,
580 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
582 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
584 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
585 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
586 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
587 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
589 # Target-specific libraries and flags
590 libm = cc.find_library('m', required: false)
591 threads = dependency('threads')
592 util = cc.find_library('util', required: false)
598 emulator_link_args = []
605 if targetos == 'windows'
606 midl = find_program('midl', required: false)
607 widl = find_program('widl', required: false)
608 pathcch = cc.find_library('pathcch')
609 socket = cc.find_library('ws2_32')
610 winmm = cc.find_library('winmm')
612 win = import('windows')
613 version_res = win.compile_resources('version.rc',
614 depend_files: files('pc-bios/qemu-nsis.ico'),
615 include_directories: include_directories('.'))
617 elif targetos == 'darwin'
618 coref = dependency('appleframeworks', modules: 'CoreFoundation')
619 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
620 host_dsosuf = '.dylib'
621 elif targetos == 'sunos'
622 socket = [cc.find_library('socket'),
623 cc.find_library('nsl'),
624 cc.find_library('resolv')]
625 elif targetos == 'haiku'
626 socket = [cc.find_library('posix_error_mapper'),
627 cc.find_library('network'),
628 cc.find_library('bsd')]
629 elif targetos == 'openbsd'
630 if get_option('tcg').allowed() and target_dirs.length() > 0
631 # Disable OpenBSD W^X if available
632 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
636 # Target-specific configuration of accelerators
638 if get_option('kvm').allowed() and targetos == 'linux'
639 accelerators += 'CONFIG_KVM'
641 if get_option('whpx').allowed() and targetos == 'windows'
642 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
643 error('WHPX requires 64-bit host')
644 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
645 cc.has_header('winhvemulation.h', required: get_option('whpx'))
646 accelerators += 'CONFIG_WHPX'
649 if get_option('hvf').allowed()
650 hvf = dependency('appleframeworks', modules: 'Hypervisor',
651 required: get_option('hvf'))
653 accelerators += 'CONFIG_HVF'
656 if targetos == 'netbsd'
657 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
659 accelerators += 'CONFIG_NVMM'
664 if get_option('tcg').allowed()
665 if host_arch == 'unknown'
666 if not get_option('tcg_interpreter')
667 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
669 elif get_option('tcg_interpreter')
670 warning('Use of the TCG interpreter is not recommended on this host')
671 warning('architecture. There is a native TCG execution backend available')
672 warning('which provides substantially better performance and reliability.')
673 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
674 warning('configuration option on this architecture to use the native')
677 if get_option('tcg_interpreter')
679 elif host_arch == 'x86_64'
681 elif host_arch == 'ppc64'
684 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
685 language: all_languages)
687 accelerators += 'CONFIG_TCG'
690 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
691 error('KVM not available on this platform')
693 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
694 error('HVF not available on this platform')
696 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
697 error('NVMM not available on this platform')
699 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
700 error('WHPX not available on this platform')
707 # When bumping glib minimum version, please check also whether to increase
708 # the _WIN32_WINNT setting in osdep.h according to the value from glib
709 glib_req_ver = '>=2.56.0'
710 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
711 method: 'pkg-config')
714 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
715 method: 'pkg-config')
716 elif get_option('plugins')
717 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
718 method: 'pkg-config')
723 # This workaround is required due to a bug in pkg-config file for glib as it
724 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
725 if targetos == 'windows' and get_option('prefer_static')
726 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
729 # Sanity check that the current size_t matches the
730 # size that glib thinks it should be. This catches
731 # problems on multi-arch where people try to build
732 # 32-bit QEMU while pointing at 64-bit glib headers
734 if not cc.compiles('''
738 #define QEMU_BUILD_BUG_ON(x) \
739 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
742 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
744 }''', dependencies: glib_pc, args: glib_cflags)
745 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
746 You probably need to set PKG_CONFIG_LIBDIR" to point
747 to the right pkg-config files for your build target.''')
750 # Silence clang warnings triggered by glib < 2.57.2
751 if not cc.compiles('''
756 static void foo_free(Foo *f)
760 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
761 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
762 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
764 glib = declare_dependency(dependencies: [glib_pc, gmodule],
765 compile_args: glib_cflags,
766 version: glib_pc.version())
768 # Check whether glib has gslice, which we have to avoid for correctness.
769 # TODO: remove this check and the corresponding workaround (qtree) when
770 # the minimum supported glib is >= 2.75.3
771 glib_has_gslice = glib.version().version_compare('<2.75.3')
773 # override glib dep to include the above refinements
774 meson.override_dependency('glib-2.0', glib)
776 # The path to glib.h is added to all compilation commands.
777 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
778 native: false, language: all_languages)
781 gdbus_codegen = not_found
782 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
783 if not get_option('gio').auto() or have_system
784 gio = dependency('gio-2.0', required: get_option('gio'),
785 method: 'pkg-config')
786 if gio.found() and not cc.links('''
790 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
792 }''', dependencies: [glib, gio])
793 if get_option('gio').enabled()
794 error('The installed libgio is broken for static linking')
799 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
800 required: get_option('gio'))
801 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
802 method: 'pkg-config')
803 gio = declare_dependency(dependencies: [gio, gio_unix],
804 version: gio.version())
807 if gdbus_codegen.found() and get_option('cfi')
808 gdbus_codegen = not_found
809 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
812 xml_pp = find_program('scripts/xml-preprocess.py')
815 if 'ust' in get_option('trace_backends')
816 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
817 method: 'pkg-config')
820 if not get_option('pixman').auto() or have_system or have_tools
821 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
822 method: 'pkg-config')
825 zlib = dependency('zlib', required: true)
828 if not get_option('linux_aio').auto() or have_block
829 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
830 required: get_option('linux_aio'))
833 linux_io_uring_test = '''
834 #include <liburing.h>
835 #include <linux/errqueue.h>
837 int main(void) { return 0; }'''
839 linux_io_uring = not_found
840 if not get_option('linux_io_uring').auto() or have_block
841 linux_io_uring = dependency('liburing', version: '>=0.3',
842 required: get_option('linux_io_uring'),
843 method: 'pkg-config')
844 if not cc.links(linux_io_uring_test)
845 linux_io_uring = not_found
850 if not get_option('libnfs').auto() or have_block
851 libnfs = dependency('libnfs', version: '>=1.9.3',
852 required: get_option('libnfs'),
853 method: 'pkg-config')
858 #include <sys/types.h>
859 #ifdef CONFIG_LIBATTR
860 #include <attr/xattr.h>
862 #include <sys/xattr.h>
864 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
867 have_old_libattr = false
868 if get_option('attr').allowed()
869 if cc.links(libattr_test)
870 libattr = declare_dependency()
872 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
873 required: get_option('attr'))
874 if libattr.found() and not \
875 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
877 if get_option('attr').enabled()
878 error('could not link libattr')
880 warning('could not link libattr, disabling')
883 have_old_libattr = libattr.found()
888 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
889 required: get_option('cocoa'))
891 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
892 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
893 'VMNET_BRIDGED_MODE',
896 if get_option('vmnet').enabled()
897 error('vmnet.framework API is outdated')
899 warning('vmnet.framework API is outdated, disabling')
904 seccomp_has_sysrawrc = false
905 if not get_option('seccomp').auto() or have_system or have_tools
906 seccomp = dependency('libseccomp', version: '>=2.3.0',
907 required: get_option('seccomp'),
908 method: 'pkg-config')
910 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
911 'SCMP_FLTATR_API_SYSRAWRC',
912 dependencies: seccomp)
916 libcap_ng = not_found
917 if not get_option('cap_ng').auto() or have_system or have_tools
918 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
919 required: get_option('cap_ng'))
921 if libcap_ng.found() and not cc.links('''
925 capng_capability_to_name(CAPNG_EFFECTIVE);
927 }''', dependencies: libcap_ng)
928 libcap_ng = not_found
929 if get_option('cap_ng').enabled()
930 error('could not link libcap-ng')
932 warning('could not link libcap-ng, disabling')
936 if get_option('xkbcommon').auto() and not have_system and not have_tools
937 xkbcommon = not_found
939 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
940 method: 'pkg-config')
944 if not get_option('slirp').auto() or have_system
945 slirp = dependency('slirp', required: get_option('slirp'),
946 method: 'pkg-config')
947 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
948 # it passes function pointers within libslirp as callbacks for timers.
949 # When using a system-wide shared libslirp, the type information for the
950 # callback is missing and the timer call produces a false positive with CFI.
951 # Do not use the "version" keyword argument to produce a better error.
952 # with control-flow integrity.
953 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
954 if get_option('slirp').enabled()
955 error('Control-Flow Integrity requires libslirp 4.7.')
957 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
964 if not get_option('vde').auto() or have_system or have_tools
965 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
966 required: get_option('vde'))
968 if vde.found() and not cc.links('''
969 #include <libvdeplug.h>
972 struct vde_open_args a = {0, 0, 0};
976 }''', dependencies: vde)
978 if get_option('cap_ng').enabled()
979 error('could not link libvdeplug')
981 warning('could not link libvdeplug, disabling')
986 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
987 pulse = dependency('libpulse', required: get_option('pa'),
988 method: 'pkg-config')
991 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
992 alsa = dependency('alsa', required: get_option('alsa'),
993 method: 'pkg-config')
996 if not get_option('jack').auto() or have_system
997 jack = dependency('jack', required: get_option('jack'),
998 method: 'pkg-config')
1000 pipewire = not_found
1001 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1002 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1003 required: get_option('pipewire'),
1004 method: 'pkg-config')
1007 if not get_option('sndio').auto() or have_system
1008 sndio = dependency('sndio', required: get_option('sndio'),
1009 method: 'pkg-config')
1012 spice_protocol = not_found
1013 if not get_option('spice_protocol').auto() or have_system
1014 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1015 required: get_option('spice_protocol'),
1016 method: 'pkg-config')
1019 if get_option('spice') \
1020 .disable_auto_if(not have_system) \
1021 .require(pixman.found(),
1022 error_message: 'cannot enable SPICE if pixman is not available') \
1024 spice = dependency('spice-server', version: '>=0.14.0',
1025 required: get_option('spice'),
1026 method: 'pkg-config')
1028 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1030 rt = cc.find_library('rt', required: false)
1032 libiscsi = not_found
1033 if not get_option('libiscsi').auto() or have_block
1034 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1035 required: get_option('libiscsi'),
1036 method: 'pkg-config')
1039 if not get_option('zstd').auto() or have_block
1040 zstd = dependency('libzstd', version: '>=1.4.0',
1041 required: get_option('zstd'),
1042 method: 'pkg-config')
1046 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1047 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1048 virgl = dependency('virglrenderer',
1049 method: 'pkg-config',
1050 required: get_option('virglrenderer'))
1052 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1053 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1054 prefix: '#include <virglrenderer.h>',
1055 dependencies: virgl))
1058 rutabaga = not_found
1059 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1060 rutabaga = dependency('rutabaga_gfx_ffi',
1061 method: 'pkg-config',
1062 required: get_option('rutabaga_gfx'))
1065 if not get_option('blkio').auto() or have_block
1066 blkio = dependency('blkio',
1067 method: 'pkg-config',
1068 required: get_option('blkio'))
1071 if not get_option('curl').auto() or have_block
1072 curl = dependency('libcurl', version: '>=7.29.0',
1073 method: 'pkg-config',
1074 required: get_option('curl'))
1077 if targetos == 'linux' and (have_system or have_tools)
1078 libudev = dependency('libudev',
1079 method: 'pkg-config',
1080 required: get_option('libudev'))
1083 mpathlibs = [libudev]
1084 mpathpersist = not_found
1085 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1086 mpath_test_source = '''
1087 #include <libudev.h>
1088 #include <mpath_persist.h>
1089 unsigned mpath_mx_alloc_len = 1024;
1091 static struct config *multipath_conf;
1092 extern struct udev *udev;
1093 extern struct config *get_multipath_config(void);
1094 extern void put_multipath_config(struct config *conf);
1096 struct config *get_multipath_config(void) { return multipath_conf; }
1097 void put_multipath_config(struct config *conf) { }
1100 multipath_conf = mpath_lib_init();
1103 libmpathpersist = cc.find_library('mpathpersist',
1104 required: get_option('mpath'))
1105 if libmpathpersist.found()
1106 mpathlibs += libmpathpersist
1107 if get_option('prefer_static')
1108 mpathlibs += cc.find_library('devmapper',
1109 required: get_option('mpath'))
1111 mpathlibs += cc.find_library('multipath',
1112 required: get_option('mpath'))
1113 foreach lib: mpathlibs
1119 if mpathlibs.length() == 0
1120 msg = 'Dependencies missing for libmpathpersist'
1121 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1122 mpathpersist = declare_dependency(dependencies: mpathlibs)
1124 msg = 'Cannot detect libmpathpersist API'
1126 if not mpathpersist.found()
1127 if get_option('mpath').enabled()
1130 warning(msg + ', disabling')
1138 if have_system and get_option('curses').allowed()
1140 #if defined(__APPLE__) || defined(__OpenBSD__)
1141 #define _XOPEN_SOURCE_EXTENDED 1
1148 setlocale(LC_ALL, "");
1150 addwstr(L"wide chars\n");
1152 add_wch(WACS_DEGREE);
1156 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1157 curses = dependency(curses_dep_list,
1159 method: 'pkg-config')
1160 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1161 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1163 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1164 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1165 version: curses.version())
1167 msg = 'curses package not usable'
1171 if not curses.found()
1172 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1173 if targetos != 'windows' and not has_curses_h
1174 message('Trying with /usr/include/ncursesw')
1175 curses_compile_args += ['-I/usr/include/ncursesw']
1176 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1179 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1180 foreach curses_libname : curses_libname_list
1181 libcurses = cc.find_library(curses_libname,
1183 if libcurses.found()
1184 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1185 curses = declare_dependency(compile_args: curses_compile_args,
1186 dependencies: [libcurses])
1189 msg = 'curses library not usable'
1195 if get_option('iconv').allowed()
1196 foreach link_args : [ ['-liconv'], [] ]
1197 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1198 # We need to use libiconv if available because mixing libiconv's headers with
1199 # the system libc does not work.
1200 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1201 # included in the command line and libiconv will not be found.
1205 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1206 return conv != (iconv_t) -1;
1207 }''', args: link_args, dependencies: glib)
1208 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1213 if curses.found() and not iconv.found()
1214 if get_option('iconv').enabled()
1215 error('iconv not available')
1217 msg = 'iconv required for curses UI but not available'
1220 if not curses.found() and msg != ''
1221 if get_option('curses').enabled()
1224 warning(msg + ', disabling')
1230 if not get_option('brlapi').auto() or have_system
1231 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1232 required: get_option('brlapi'))
1233 if brlapi.found() and not cc.links('''
1236 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1238 if get_option('brlapi').enabled()
1239 error('could not link brlapi')
1241 warning('could not link brlapi, disabling')
1247 if not get_option('sdl').auto() or have_system
1248 sdl = dependency('sdl2', required: get_option('sdl'))
1249 sdl_image = not_found
1252 # Some versions of SDL have problems with -Wundef
1253 if not cc.compiles('''
1255 #include <SDL_syswm.h>
1256 int main(int argc, char *argv[]) { return 0; }
1257 ''', dependencies: sdl, args: '-Werror=undef')
1258 sdl = declare_dependency(compile_args: '-Wno-undef',
1260 version: sdl.version())
1262 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1263 method: 'pkg-config')
1265 if get_option('sdl_image').enabled()
1266 error('sdl-image required, but SDL was @0@'.format(
1267 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1269 sdl_image = not_found
1273 if not get_option('rbd').auto() or have_block
1274 librados = cc.find_library('rados', required: get_option('rbd'))
1275 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1276 required: get_option('rbd'))
1277 if librados.found() and librbd.found()
1280 #include <rbd/librbd.h>
1283 rados_create(&cluster, NULL);
1284 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1288 }''', dependencies: [librbd, librados])
1289 rbd = declare_dependency(dependencies: [librbd, librados])
1290 elif get_option('rbd').enabled()
1291 error('librbd >= 1.12.0 required')
1293 warning('librbd >= 1.12.0 not found, disabling')
1298 glusterfs = not_found
1299 glusterfs_ftruncate_has_stat = false
1300 glusterfs_iocb_has_stat = false
1301 if not get_option('glusterfs').auto() or have_block
1302 glusterfs = dependency('glusterfs-api', version: '>=3',
1303 required: get_option('glusterfs'),
1304 method: 'pkg-config')
1305 if glusterfs.found()
1306 glusterfs_ftruncate_has_stat = cc.links('''
1307 #include <glusterfs/api/glfs.h>
1312 /* new glfs_ftruncate() passes two additional args */
1313 return glfs_ftruncate(NULL, 0, NULL, NULL);
1315 ''', dependencies: glusterfs)
1316 glusterfs_iocb_has_stat = cc.links('''
1317 #include <glusterfs/api/glfs.h>
1319 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1321 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1327 glfs_io_cbk iocb = &glusterfs_iocb;
1328 iocb(NULL, 0 , NULL, NULL, NULL);
1331 ''', dependencies: glusterfs)
1336 if get_option('hv_balloon').allowed() and have_system
1339 #include <gmodule.h>
1343 tree = g_tree_new((GCompareFunc)strcmp);
1344 (void)g_tree_node_first(tree);
1345 g_tree_destroy(tree);
1348 ''', dependencies: glib)
1351 if get_option('hv_balloon').enabled()
1352 error('could not enable hv-balloon, update your glib')
1354 warning('could not find glib support for hv-balloon, disabling')
1360 if not get_option('libssh').auto() or have_block
1361 libssh = dependency('libssh', version: '>=0.8.7',
1362 method: 'pkg-config',
1363 required: get_option('libssh'))
1366 libbzip2 = not_found
1367 if not get_option('bzip2').auto() or have_block
1368 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1369 required: get_option('bzip2'))
1370 if libbzip2.found() and not cc.links('''
1372 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1373 libbzip2 = not_found
1374 if get_option('bzip2').enabled()
1375 error('could not link libbzip2')
1377 warning('could not link libbzip2, disabling')
1382 liblzfse = not_found
1383 if not get_option('lzfse').auto() or have_block
1384 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1385 required: get_option('lzfse'))
1387 if liblzfse.found() and not cc.links('''
1389 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1390 liblzfse = not_found
1391 if get_option('lzfse').enabled()
1392 error('could not link liblzfse')
1394 warning('could not link liblzfse, disabling')
1399 if get_option('oss').allowed() and have_system
1400 if not cc.has_header('sys/soundcard.h')
1402 elif targetos == 'netbsd'
1403 oss = cc.find_library('ossaudio', required: get_option('oss'))
1405 oss = declare_dependency()
1409 if get_option('oss').enabled()
1410 error('OSS not found')
1415 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1416 if cc.has_header('dsound.h')
1417 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1420 if not dsound.found()
1421 if get_option('dsound').enabled()
1422 error('DirectSound not found')
1427 coreaudio = not_found
1428 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1429 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1430 required: get_option('coreaudio'))
1434 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1435 epoxy = dependency('epoxy', method: 'pkg-config',
1436 required: get_option('opengl'))
1437 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1439 elif get_option('opengl').enabled()
1440 error('epoxy/egl.h not found')
1444 if (have_system or have_tools) and (virgl.found() or opengl.found())
1445 gbm = dependency('gbm', method: 'pkg-config', required: false)
1447 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1450 gnutls_crypto = not_found
1451 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1452 # For general TLS support our min gnutls matches
1453 # that implied by our platform support matrix
1455 # For the crypto backends, we look for a newer
1458 # Version 3.6.8 is needed to get XTS
1459 # Version 3.6.13 is needed to get PBKDF
1460 # Version 3.6.14 is needed to get HW accelerated XTS
1462 # If newer enough gnutls isn't available, we can
1463 # still use a different crypto backend to satisfy
1464 # the platform support requirements
1465 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1466 method: 'pkg-config',
1468 if gnutls_crypto.found()
1469 gnutls = gnutls_crypto
1471 # Our min version if all we need is TLS
1472 gnutls = dependency('gnutls', version: '>=3.5.18',
1473 method: 'pkg-config',
1474 required: get_option('gnutls'))
1478 # We prefer use of gnutls for crypto, unless the options
1479 # explicitly asked for nettle or gcrypt.
1481 # If gnutls isn't available for crypto, then we'll prefer
1482 # gcrypt over nettle for performance reasons.
1488 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1489 error('Only one of gcrypt & nettle can be enabled')
1492 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1493 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1494 gnutls_crypto = not_found
1497 if not gnutls_crypto.found()
1498 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1499 gcrypt = dependency('libgcrypt', version: '>=1.8',
1500 method: 'config-tool',
1501 required: get_option('gcrypt'))
1502 # Debian has removed -lgpg-error from libgcrypt-config
1503 # as it "spreads unnecessary dependencies" which in
1504 # turn breaks static builds...
1505 if gcrypt.found() and get_option('prefer_static')
1506 gcrypt = declare_dependency(dependencies:
1508 cc.find_library('gpg-error', required: true)],
1509 version: gcrypt.version())
1512 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1513 nettle = dependency('nettle', version: '>=3.4',
1514 method: 'pkg-config',
1515 required: get_option('nettle'))
1516 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1522 gmp = dependency('gmp', required: false, method: 'pkg-config')
1523 if nettle.found() and gmp.found()
1524 hogweed = dependency('hogweed', version: '>=3.4',
1525 method: 'pkg-config',
1526 required: get_option('nettle'))
1533 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1535 if get_option('gtk') \
1536 .disable_auto_if(not have_system) \
1537 .require(pixman.found(),
1538 error_message: 'cannot enable GTK if pixman is not available') \
1540 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1541 method: 'pkg-config',
1542 required: get_option('gtk'))
1544 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1545 method: 'pkg-config',
1547 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1548 version: gtk.version())
1550 if not get_option('vte').auto() or have_system
1551 vte = dependency('vte-2.91',
1552 method: 'pkg-config',
1553 required: get_option('vte'))
1555 elif have_gtk_clipboard
1556 error('GTK clipboard requested, but GTK not found')
1562 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1565 if get_option('png').allowed() and have_system
1566 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1567 method: 'pkg-config')
1572 if get_option('vnc') \
1573 .disable_auto_if(not have_system) \
1574 .require(pixman.found(),
1575 error_message: 'cannot enable VNC if pixman is not available') \
1577 vnc = declare_dependency() # dummy dependency
1578 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1579 method: 'pkg-config')
1580 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1581 required: get_option('vnc_sasl'))
1583 sasl = declare_dependency(dependencies: sasl,
1584 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1589 if not get_option('auth_pam').auto() or have_system
1590 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1591 required: get_option('auth_pam'))
1593 if pam.found() and not cc.links('''
1595 #include <security/pam_appl.h>
1597 const char *service_name = "qemu";
1598 const char *user = "frank";
1599 const struct pam_conv pam_conv = { 0 };
1600 pam_handle_t *pamh = NULL;
1601 pam_start(service_name, user, &pam_conv, &pamh);
1603 }''', dependencies: pam)
1605 if get_option('auth_pam').enabled()
1606 error('could not link libpam')
1608 warning('could not link libpam, disabling')
1613 if not get_option('snappy').auto() or have_system
1614 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1615 required: get_option('snappy'))
1617 if snappy.found() and not cc.links('''
1618 #include <snappy-c.h>
1619 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1621 if get_option('snappy').enabled()
1622 error('could not link libsnappy')
1624 warning('could not link libsnappy, disabling')
1629 if not get_option('lzo').auto() or have_system
1630 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1631 required: get_option('lzo'))
1633 if lzo.found() and not cc.links('''
1634 #include <lzo/lzo1x.h>
1635 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1637 if get_option('lzo').enabled()
1638 error('could not link liblzo2')
1640 warning('could not link liblzo2, disabling')
1645 if not get_option('numa').auto() or have_system or have_tools
1646 numa = cc.find_library('numa', has_headers: ['numa.h'],
1647 required: get_option('numa'))
1649 if numa.found() and not cc.links('''
1651 int main(void) { return numa_available(); }
1652 ''', dependencies: numa)
1654 if get_option('numa').enabled()
1655 error('could not link numa')
1657 warning('could not link numa, disabling')
1662 if not get_option('rdma').auto() or have_system
1663 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1664 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1665 required: get_option('rdma')),
1666 cc.find_library('ibverbs', required: get_option('rdma')),
1668 rdma = declare_dependency(dependencies: rdma_libs)
1669 foreach lib: rdma_libs
1677 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1678 xencontrol = dependency('xencontrol', required: false,
1679 method: 'pkg-config')
1680 if xencontrol.found()
1681 xen_pc = declare_dependency(version: xencontrol.version(),
1684 # disabler: true makes xen_pc.found() return false if any is not found
1685 dependency('xenstore', required: false,
1686 method: 'pkg-config',
1688 dependency('xenforeignmemory', required: false,
1689 method: 'pkg-config',
1691 dependency('xengnttab', required: false,
1692 method: 'pkg-config',
1694 dependency('xenevtchn', required: false,
1695 method: 'pkg-config',
1697 dependency('xendevicemodel', required: false,
1698 method: 'pkg-config',
1700 # optional, no "disabler: true"
1701 dependency('xentoolcore', required: false,
1702 method: 'pkg-config')])
1708 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1710 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1711 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1712 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1713 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1714 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1717 foreach ver: xen_tests
1718 # cache the various library tests to avoid polluting the logs
1720 foreach l: xen_libs[ver]
1721 if l not in xen_deps
1722 xen_deps += { l: cc.find_library(l, required: false) }
1724 xen_test_deps += xen_deps[l]
1727 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1728 xen_version = ver.split('.')
1729 xen_ctrl_version = xen_version[0] + \
1730 ('0' + xen_version[1]).substring(-2) + \
1731 ('0' + xen_version[2]).substring(-2)
1732 if cc.links(files('scripts/xen-detect.c'),
1733 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1734 dependencies: xen_test_deps)
1735 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1741 accelerators += 'CONFIG_XEN'
1742 elif get_option('xen').enabled()
1743 error('could not compile and link Xen test program')
1746 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1747 .require(xen.found(),
1748 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1749 .require(targetos == 'linux',
1750 error_message: 'Xen PCI passthrough not available on this platform') \
1751 .require(cpu == 'x86' or cpu == 'x86_64',
1752 error_message: 'Xen PCI passthrough not available on this platform') \
1757 if not get_option('smartcard').auto() or have_system
1758 cacard = dependency('libcacard', required: get_option('smartcard'),
1759 version: '>=2.5.1', method: 'pkg-config')
1763 u2f = dependency('u2f-emu', required: get_option('u2f'),
1764 method: 'pkg-config')
1768 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1769 method: 'pkg-config')
1771 usbredir = not_found
1772 if not get_option('usb_redir').auto() or have_system
1773 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1774 version: '>=0.6', method: 'pkg-config')
1777 if not get_option('libusb').auto() or have_system
1778 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1779 version: '>=1.0.13', method: 'pkg-config')
1783 if not get_option('libpmem').auto() or have_system
1784 libpmem = dependency('libpmem', required: get_option('libpmem'),
1785 method: 'pkg-config')
1787 libdaxctl = not_found
1788 if not get_option('libdaxctl').auto() or have_system
1789 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1790 version: '>=57', method: 'pkg-config')
1794 tasn1 = dependency('libtasn1',
1795 method: 'pkg-config')
1797 keyutils = not_found
1798 if not get_option('libkeyutils').auto() or have_block
1799 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1800 method: 'pkg-config')
1803 has_gettid = cc.has_function('gettid')
1806 selinux = dependency('libselinux',
1807 required: get_option('selinux'),
1808 method: 'pkg-config')
1813 if get_option('malloc') == 'system'
1815 get_option('malloc_trim').allowed() and \
1816 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1818 has_malloc_trim = false
1819 malloc = cc.find_library(get_option('malloc'), required: true)
1821 if not has_malloc_trim and get_option('malloc_trim').enabled()
1822 if get_option('malloc') == 'system'
1823 error('malloc_trim not available on this platform.')
1825 error('malloc_trim not available with non-libc memory allocator')
1829 gnu_source_prefix = '''
1835 # Check whether the glibc provides STATX_BASIC_STATS
1837 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1839 # Check whether statx() provides mount ID information
1841 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1843 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1844 .require(targetos == 'linux',
1845 error_message: 'vhost_user_blk_server requires linux') \
1846 .require(have_vhost_user,
1847 error_message: 'vhost_user_blk_server requires vhost-user support') \
1848 .disable_auto_if(not have_tools and not have_system) \
1851 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1852 error('Cannot enable fuse-lseek while fuse is disabled')
1855 fuse = dependency('fuse3', required: get_option('fuse'),
1856 version: '>=3.1', method: 'pkg-config')
1858 fuse_lseek = not_found
1859 if get_option('fuse_lseek').allowed()
1860 if fuse.version().version_compare('>=3.8')
1862 fuse_lseek = declare_dependency()
1863 elif get_option('fuse_lseek').enabled()
1865 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1867 error('fuse-lseek requires libfuse, which was not found')
1872 have_libvduse = (targetos == 'linux')
1873 if get_option('libvduse').enabled()
1874 if targetos != 'linux'
1875 error('libvduse requires linux')
1877 elif get_option('libvduse').disabled()
1878 have_libvduse = false
1881 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1882 if get_option('vduse_blk_export').enabled()
1883 if targetos != 'linux'
1884 error('vduse_blk_export requires linux')
1885 elif not have_libvduse
1886 error('vduse_blk_export requires libvduse support')
1888 elif get_option('vduse_blk_export').disabled()
1889 have_vduse_blk_export = false
1893 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1894 if libbpf.found() and not cc.links('''
1895 #include <bpf/libbpf.h>
1898 bpf_object__destroy_skeleton(NULL);
1900 }''', dependencies: libbpf)
1902 if get_option('bpf').enabled()
1903 error('libbpf skeleton test failed')
1905 warning('libbpf skeleton test failed, disabling')
1911 if not get_option('af_xdp').auto() or have_system
1912 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1913 version: '>=1.4.0', method: 'pkg-config')
1918 if not get_option('libdw').auto() or \
1919 (not get_option('prefer_static') and (have_system or have_user))
1920 libdw = dependency('libdw',
1921 method: 'pkg-config',
1922 required: get_option('libdw'))
1929 audio_drivers_selected = []
1931 audio_drivers_available = {
1932 'alsa': alsa.found(),
1933 'coreaudio': coreaudio.found(),
1934 'dsound': dsound.found(),
1935 'jack': jack.found(),
1937 'pa': pulse.found(),
1938 'pipewire': pipewire.found(),
1940 'sndio': sndio.found(),
1942 foreach k, v: audio_drivers_available
1943 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1946 # Default to native drivers first, OSS second, SDL third
1947 audio_drivers_priority = \
1948 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1949 (targetos == 'linux' ? [] : [ 'sdl' ])
1950 audio_drivers_default = []
1951 foreach k: audio_drivers_priority
1952 if audio_drivers_available[k]
1953 audio_drivers_default += k
1957 foreach k: get_option('audio_drv_list')
1959 audio_drivers_selected += audio_drivers_default
1960 elif not audio_drivers_available[k]
1961 error('Audio driver "@0@" not available.'.format(k))
1963 audio_drivers_selected += k
1967 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1968 '"' + '", "'.join(audio_drivers_selected) + '", ')
1970 if get_option('cfi')
1972 # Check for dependency on LTO
1973 if not get_option('b_lto')
1974 error('Selected Control-Flow Integrity but LTO is disabled')
1977 error('Selected Control-Flow Integrity is not compatible with modules')
1979 # Check for cfi flags. CFI requires LTO so we can't use
1980 # get_supported_arguments, but need a more complex "compiles" which allows
1982 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1983 args: ['-flto', '-fsanitize=cfi-icall'] )
1984 cfi_flags += '-fsanitize=cfi-icall'
1986 error('-fsanitize=cfi-icall is not supported by the compiler')
1988 if cc.compiles('int main () { return 0; }',
1989 name: '-fsanitize-cfi-icall-generalize-pointers',
1990 args: ['-flto', '-fsanitize=cfi-icall',
1991 '-fsanitize-cfi-icall-generalize-pointers'] )
1992 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1994 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1996 if get_option('cfi_debug')
1997 if cc.compiles('int main () { return 0; }',
1998 name: '-fno-sanitize-trap=cfi-icall',
1999 args: ['-flto', '-fsanitize=cfi-icall',
2000 '-fno-sanitize-trap=cfi-icall'] )
2001 cfi_flags += '-fno-sanitize-trap=cfi-icall'
2003 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
2006 add_global_arguments(cfi_flags, native: false, language: all_languages)
2007 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2010 have_host_block_device = (targetos != 'darwin' or
2011 cc.has_header('IOKit/storage/IOMedia.h'))
2013 dbus_display = get_option('dbus_display') \
2014 .require(gio.version().version_compare('>=2.64'),
2015 error_message: '-display dbus requires glib>=2.64') \
2016 .require(gdbus_codegen.found(),
2017 error_message: gdbus_codegen_error.format('-display dbus')) \
2020 have_virtfs = get_option('virtfs') \
2021 .require(targetos == 'linux' or targetos == 'darwin',
2022 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2023 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2024 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2025 .require(targetos == 'darwin' or libattr.found(),
2026 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2027 .disable_auto_if(not have_tools and not have_system) \
2030 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2031 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2032 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2033 .disable_auto_if(not have_tools) \
2034 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2037 if get_option('block_drv_ro_whitelist') == ''
2038 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2040 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2041 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2043 if get_option('block_drv_rw_whitelist') == ''
2044 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2046 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2047 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2050 foreach k : get_option('trace_backends')
2051 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2053 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2054 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2056 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2058 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2059 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2060 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2061 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2062 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2064 qemu_firmwarepath = ''
2065 foreach k : get_option('qemu_firmwarepath')
2066 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2068 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2070 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2071 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2072 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2073 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2074 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2075 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2078 config_host_data.set('CONFIG_STAMP', run_command(
2079 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2080 meson.project_version(), get_option('pkgversion'), '--',
2081 meson.current_source_dir() / 'configure',
2082 capture: true, check: true).stdout().strip())
2085 have_slirp_smbd = get_option('slirp_smbd') \
2086 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2089 smbd_path = get_option('smbd')
2091 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2093 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2096 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2098 if get_option('module_upgrades') and not enable_modules
2099 error('Cannot enable module-upgrades as modules are not enabled')
2101 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2103 config_host_data.set('CONFIG_ATTR', libattr.found())
2104 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2105 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2106 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2107 config_host_data.set('CONFIG_COCOA', cocoa.found())
2108 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2109 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2110 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2111 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2112 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2113 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2114 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2115 config_host_data.set('CONFIG_LZO', lzo.found())
2116 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2117 config_host_data.set('CONFIG_BLKIO', blkio.found())
2119 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2120 blkio.version().version_compare('>=1.3.0'))
2122 config_host_data.set('CONFIG_CURL', curl.found())
2123 config_host_data.set('CONFIG_CURSES', curses.found())
2124 config_host_data.set('CONFIG_GBM', gbm.found())
2125 config_host_data.set('CONFIG_GIO', gio.found())
2126 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2127 if glusterfs.found()
2128 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2129 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2130 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2131 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2132 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2133 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2135 config_host_data.set('CONFIG_GTK', gtk.found())
2136 config_host_data.set('CONFIG_VTE', vte.found())
2137 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2138 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2139 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2140 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2141 config_host_data.set('CONFIG_EBPF', libbpf.found())
2142 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2143 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2144 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2145 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2146 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2147 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2148 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2149 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2150 config_host_data.set('CONFIG_MODULES', enable_modules)
2151 config_host_data.set('CONFIG_NUMA', numa.found())
2153 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2154 cc.has_function('numa_has_preferred_many',
2155 dependencies: numa))
2157 config_host_data.set('CONFIG_OPENGL', opengl.found())
2158 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2159 config_host_data.set('CONFIG_RBD', rbd.found())
2160 config_host_data.set('CONFIG_RDMA', rdma.found())
2161 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2162 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2163 config_host_data.set('CONFIG_SDL', sdl.found())
2164 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2165 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2167 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2169 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2170 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2171 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2172 if get_option('tcg').allowed()
2173 config_host_data.set('CONFIG_TCG', 1)
2174 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2176 config_host_data.set('CONFIG_TPM', have_tpm)
2177 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2178 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2179 config_host_data.set('CONFIG_VDE', vde.found())
2180 config_host_data.set('CONFIG_VHOST', have_vhost)
2181 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2182 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2183 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2184 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2185 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2186 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2187 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2188 config_host_data.set('CONFIG_VMNET', vmnet.found())
2189 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2190 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2191 config_host_data.set('CONFIG_PNG', png.found())
2192 config_host_data.set('CONFIG_VNC', vnc.found())
2193 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2194 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2195 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2196 config_host_data.set('CONFIG_VTE', vte.found())
2197 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2198 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2199 config_host_data.set('CONFIG_GETTID', has_gettid)
2200 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2201 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2202 config_host_data.set('CONFIG_TASN1', tasn1.found())
2203 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2204 config_host_data.set('CONFIG_NETTLE', nettle.found())
2205 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2206 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2207 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2208 config_host_data.set('CONFIG_STATX', has_statx)
2209 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2210 config_host_data.set('CONFIG_ZSTD', zstd.found())
2211 config_host_data.set('CONFIG_FUSE', fuse.found())
2212 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2213 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2214 if spice_protocol.found()
2215 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2216 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2217 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2219 config_host_data.set('CONFIG_SPICE', spice.found())
2220 config_host_data.set('CONFIG_X11', x11.found())
2221 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2222 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2223 config_host_data.set('CONFIG_SELINUX', selinux.found())
2224 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2225 config_host_data.set('CONFIG_LIBDW', libdw.found())
2227 # protect from xen.version() having less than three components
2228 xen_version = xen.version().split('.') + ['0', '0']
2229 xen_ctrl_version = xen_version[0] + \
2230 ('0' + xen_version[1]).substring(-2) + \
2231 ('0' + xen_version[2]).substring(-2)
2232 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2234 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2235 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2236 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2237 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2239 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2240 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2242 have_coroutine_pool = get_option('coroutine_pool')
2243 if get_option('debug_stack_usage') and have_coroutine_pool
2244 message('Disabling coroutine pool to measure stack usage')
2245 have_coroutine_pool = false
2247 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2248 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2249 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2250 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2251 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2252 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2253 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2254 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2257 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2258 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2259 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2260 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2261 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2262 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2263 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2264 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2265 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2266 if targetos == 'windows'
2267 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2271 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2272 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2273 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2274 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2275 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2276 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2277 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2278 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2279 # Note that we need to specify prefix: here to avoid incorrectly
2280 # thinking that Windows has posix_memalign()
2281 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2282 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2283 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2284 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2285 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2286 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2287 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2288 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2289 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2290 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2291 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2292 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2293 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2294 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2295 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2296 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2297 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2298 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2299 config_host_data.set('HAVE_GETLOADAVG_FUNCTION', cc.has_function('getloadavg', prefix: '#include <stdlib.h>'))
2301 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2302 cc.has_function('rbd_namespace_exists',
2304 prefix: '#include <rbd/librbd.h>'))
2307 config_host_data.set('HAVE_IBV_ADVISE_MR',
2308 cc.has_function('ibv_advise_mr',
2310 prefix: '#include <infiniband/verbs.h>'))
2313 have_asan_fiber = false
2314 if get_option('sanitizers') and \
2315 not cc.has_function('__sanitizer_start_switch_fiber',
2316 args: '-fsanitize=address',
2317 prefix: '#include <sanitizer/asan_interface.h>')
2318 warning('Missing ASAN due to missing fiber annotation interface')
2319 warning('Without code annotation, the report may be inferior.')
2321 have_asan_fiber = true
2323 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2326 config_host_data.set('CONFIG_BLKZONED',
2327 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2328 config_host_data.set('CONFIG_EPOLL_CREATE1',
2329 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2330 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2331 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2332 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2333 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2334 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2335 config_host_data.set('CONFIG_FIEMAP',
2336 cc.has_header('linux/fiemap.h') and
2337 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2338 config_host_data.set('CONFIG_GETRANDOM',
2339 cc.has_function('getrandom') and
2340 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2341 config_host_data.set('CONFIG_INOTIFY',
2342 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2343 config_host_data.set('CONFIG_INOTIFY1',
2344 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2345 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2346 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2347 config_host_data.set('CONFIG_RTNETLINK',
2348 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2349 config_host_data.set('CONFIG_SYSMACROS',
2350 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2351 config_host_data.set('HAVE_OPTRESET',
2352 cc.has_header_symbol('getopt.h', 'optreset'))
2353 config_host_data.set('HAVE_IPPROTO_MPTCP',
2354 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2357 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2358 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2359 prefix: '#include <signal.h>'))
2360 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2361 cc.has_member('struct stat', 'st_atim',
2362 prefix: '#include <sys/stat.h>'))
2363 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2364 cc.has_member('struct blk_zone', 'capacity',
2365 prefix: '#include <linux/blkzoned.h>'))
2368 config_host_data.set('CONFIG_IOVEC',
2369 cc.has_type('struct iovec',
2370 prefix: '#include <sys/uio.h>'))
2371 config_host_data.set('HAVE_UTMPX',
2372 cc.has_type('struct utmpx',
2373 prefix: '#include <utmpx.h>'))
2375 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2376 #include <sys/eventfd.h>
2377 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2378 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2381 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2382 return fdatasync(0);
2384 #error Not supported
2388 has_madvise = cc.links(gnu_source_prefix + '''
2389 #include <sys/types.h>
2390 #include <sys/mman.h>
2392 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2393 missing_madvise_proto = false
2395 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2396 # but forget to prototype it. In this case, has_madvise will be true (the
2397 # test program links despite a compile warning). To detect the
2398 # missing-prototype case, we try again with a definitely-bogus prototype.
2399 # This will only compile if the system headers don't provide the prototype;
2400 # otherwise the conflicting prototypes will cause a compiler error.
2401 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2402 #include <sys/types.h>
2403 #include <sys/mman.h>
2405 extern int madvise(int);
2406 int main(void) { return madvise(0); }''')
2408 config_host_data.set('CONFIG_MADVISE', has_madvise)
2409 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2411 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2412 #include <sys/mman.h>
2413 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2414 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2416 #if !defined(AT_EMPTY_PATH)
2417 # error missing definition
2419 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2421 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2422 #include <sys/mman.h>
2424 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2426 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2427 #include <pthread.h>
2429 static void *f(void *p) { return NULL; }
2433 pthread_create(&thread, 0, f, 0);
2434 pthread_setname_np(thread, "QEMU");
2436 }''', dependencies: threads))
2437 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2438 #include <pthread.h>
2440 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2444 pthread_create(&thread, 0, f, 0);
2446 }''', dependencies: threads))
2447 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2448 #include <pthread.h>
2449 #include <pthread_np.h>
2451 static void *f(void *p) { return NULL; }
2455 pthread_create(&thread, 0, f, 0);
2456 pthread_set_name_np(thread, "QEMU");
2458 }''', dependencies: threads))
2459 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2460 #include <pthread.h>
2465 pthread_condattr_t attr
2466 pthread_condattr_init(&attr);
2467 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2469 }''', dependencies: threads))
2470 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2471 #include <pthread.h>
2473 static void *f(void *p) { return NULL; }
2476 int setsize = CPU_ALLOC_SIZE(64);
2479 pthread_create(&thread, 0, f, 0);
2480 cpuset = CPU_ALLOC(64);
2481 CPU_ZERO_S(setsize, cpuset);
2482 pthread_setaffinity_np(thread, setsize, cpuset);
2483 pthread_getaffinity_np(thread, setsize, cpuset);
2486 }''', dependencies: threads))
2487 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2488 #include <sys/signalfd.h>
2490 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2491 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2499 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2500 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2504 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2505 #include <sys/mman.h>
2507 return mlockall(MCL_FUTURE);
2511 if get_option('l2tpv3').allowed() and have_system
2512 have_l2tpv3 = cc.has_type('struct mmsghdr',
2513 prefix: gnu_source_prefix + '''
2514 #include <sys/socket.h>
2515 #include <linux/ip.h>''')
2517 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2520 if get_option('netmap').allowed() and have_system
2521 have_netmap = cc.compiles('''
2522 #include <inttypes.h>
2524 #include <net/netmap.h>
2525 #include <net/netmap_user.h>
2526 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2529 int main(void) { return 0; }''')
2530 if not have_netmap and get_option('netmap').enabled()
2531 error('Netmap headers not available')
2534 config_host_data.set('CONFIG_NETMAP', have_netmap)
2536 # Work around a system header bug with some kernel/XFS header
2537 # versions where they both try to define 'struct fsxattr':
2538 # xfs headers will not try to redefine structs from linux headers
2539 # if this macro is set.
2540 config_host_data.set('HAVE_FSXATTR', cc.links('''
2541 #include <linux/fs.h>
2547 # Some versions of Mac OS X incorrectly define SIZE_MAX
2548 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2552 return printf("%zu", SIZE_MAX);
2553 }''', args: ['-Werror']))
2555 # See if 64-bit atomic operations are supported.
2556 # Note that without __atomic builtins, we can only
2557 # assume atomic loads/stores max at pointer size.
2558 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2562 uint64_t x = 0, y = 0;
2563 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2564 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2565 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2566 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2567 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2571 has_int128_type = cc.compiles('''
2574 int main(void) { b = a; }''')
2575 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2577 has_int128 = has_int128_type and cc.links('''
2586 config_host_data.set('CONFIG_INT128', has_int128)
2589 # "do we have 128-bit atomics which are handled inline and specifically not
2590 # via libatomic". The reason we can't use libatomic is documented in the
2591 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2592 # We only care about these operations on 16-byte aligned pointers, so
2593 # force 16-byte alignment of the pointer, which may be greater than
2594 # __alignof(unsigned __int128) for the host.
2595 atomic_test_128 = '''
2596 int main(int ac, char **av) {
2597 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2598 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2599 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2600 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2603 has_atomic128 = cc.links(atomic_test_128)
2605 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2607 if not has_atomic128
2608 # Even with __builtin_assume_aligned, the above test may have failed
2609 # without optimization enabled. Try again with optimizations locally
2610 # enabled for the function. See
2611 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2612 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2613 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2615 if not has_atomic128_opt
2616 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2619 __uint128_t x = 0, y = 0;
2620 __sync_val_compare_and_swap_16(&x, y, x);
2628 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2629 #include <sys/auxv.h>
2631 return getauxval(AT_HWCAP) == 0;
2634 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2635 #include <linux/usbdevice_fs.h>
2637 #ifndef USBDEVFS_GET_CAPABILITIES
2638 #error "USBDEVFS_GET_CAPABILITIES undefined"
2641 #ifndef USBDEVFS_DISCONNECT_CLAIM
2642 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2645 int main(void) { return 0; }'''))
2647 have_keyring = get_option('keyring') \
2648 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2649 .require(cc.compiles('''
2651 #include <asm/unistd.h>
2652 #include <linux/keyctl.h>
2653 #include <sys/syscall.h>
2656 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2657 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2658 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2660 have_cpuid_h = cc.links('''
2663 unsigned a, b, c, d;
2664 unsigned max = __get_cpuid_max(0, 0);
2667 __cpuid(1, a, b, c, d);
2671 __cpuid_count(7, 0, a, b, c, d);
2676 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2678 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2679 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2680 .require(cc.links('''
2682 #include <immintrin.h>
2683 static int __attribute__((target("avx2"))) bar(void *a) {
2684 __m256i x = *(__m256i *)a;
2685 return _mm256_testz_si256(x, x);
2687 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2688 '''), error_message: 'AVX2 not available').allowed())
2690 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2691 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2692 .require(cc.links('''
2694 #include <immintrin.h>
2695 static int __attribute__((target("avx512f"))) bar(void *a) {
2696 __m512i x = *(__m512i *)a;
2697 return _mm512_test_epi64_mask(x, x);
2699 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2700 '''), error_message: 'AVX512F not available').allowed())
2702 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2703 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2704 .require(cc.links('''
2706 #include <immintrin.h>
2707 static int __attribute__((target("avx512bw"))) bar(void *a) {
2709 __m512i res= _mm512_abs_epi8(*x);
2712 int main(int argc, char *argv[]) { return bar(argv[0]); }
2713 '''), error_message: 'AVX512BW not available').allowed())
2715 # For both AArch64 and AArch32, detect if builtins are available.
2716 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2717 #include <arm_neon.h>
2718 #ifndef __ARM_FEATURE_AES
2719 __attribute__((target("+crypto")))
2721 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2724 have_pvrdma = get_option('pvrdma') \
2725 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2726 .require(cc.compiles(gnu_source_prefix + '''
2727 #include <sys/mman.h>
2732 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2735 }'''), error_message: 'PVRDMA requires mremap').allowed()
2738 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2739 #include <infiniband/verbs.h>
2743 struct ibv_pd *pd = NULL;
2749 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2755 if get_option('membarrier').disabled()
2756 have_membarrier = false
2757 elif targetos == 'windows'
2758 have_membarrier = true
2759 elif targetos == 'linux'
2760 have_membarrier = cc.compiles('''
2761 #include <linux/membarrier.h>
2762 #include <sys/syscall.h>
2766 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2767 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2771 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2772 .require(have_membarrier, error_message: 'membarrier system call not available') \
2775 have_afalg = get_option('crypto_afalg') \
2776 .require(cc.compiles(gnu_source_prefix + '''
2778 #include <sys/types.h>
2779 #include <sys/socket.h>
2780 #include <linux/if_alg.h>
2783 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2786 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2787 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2789 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2790 'linux/vm_sockets.h', 'AF_VSOCK',
2791 prefix: '#include <sys/socket.h>',
2795 have_vss_sdk = false # old xp/2003 SDK
2796 if targetos == 'windows' and 'cpp' in all_languages
2797 have_vss = cxx.compiles('''
2798 #define __MIDL_user_allocate_free_DEFINED__
2800 int main(void) { return VSS_CTX_BACKUP; }''')
2801 have_vss_sdk = cxx.has_header('vscoordint.h')
2803 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2805 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2806 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2807 if targetos == 'windows'
2808 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2814 }''', name: '_lock_file and _unlock_file'))
2817 if targetos == 'windows'
2818 mingw_has_setjmp_longjmp = cc.links('''
2822 * These functions are not available in setjmp header, but may be
2823 * available at link time, from libmingwex.a.
2825 extern int __mingw_setjmp(jmp_buf);
2826 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2828 __mingw_setjmp(env);
2829 __mingw_longjmp(env, 0);
2831 ''', name: 'mingw setjmp and longjmp')
2833 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2834 error('mingw must provide setjmp/longjmp for windows-arm64')
2838 ########################
2839 # Target configuration #
2840 ########################
2842 minikconf = find_program('scripts/minikconf.py')
2844 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2846 if targetos == 'darwin'
2847 config_targetos += {'CONFIG_DARWIN': 'y'}
2848 elif targetos == 'linux'
2849 config_targetos += {'CONFIG_LINUX': 'y'}
2851 if targetos in bsd_oses
2852 config_targetos += {'CONFIG_BSD': 'y'}
2856 config_all_devices = {}
2857 config_all_disas = {}
2858 config_devices_mak_list = []
2859 config_devices_h = {}
2860 config_target_h = {}
2861 config_target_mak = {}
2864 'alpha' : ['CONFIG_ALPHA_DIS'],
2865 'avr' : ['CONFIG_AVR_DIS'],
2866 'cris' : ['CONFIG_CRIS_DIS'],
2867 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2868 'hppa' : ['CONFIG_HPPA_DIS'],
2869 'i386' : ['CONFIG_I386_DIS'],
2870 'x86_64' : ['CONFIG_I386_DIS'],
2871 'm68k' : ['CONFIG_M68K_DIS'],
2872 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2873 'mips' : ['CONFIG_MIPS_DIS'],
2874 'nios2' : ['CONFIG_NIOS2_DIS'],
2875 'or1k' : ['CONFIG_OPENRISC_DIS'],
2876 'ppc' : ['CONFIG_PPC_DIS'],
2877 'riscv' : ['CONFIG_RISCV_DIS'],
2878 'rx' : ['CONFIG_RX_DIS'],
2879 's390' : ['CONFIG_S390_DIS'],
2880 'sh4' : ['CONFIG_SH4_DIS'],
2881 'sparc' : ['CONFIG_SPARC_DIS'],
2882 'xtensa' : ['CONFIG_XTENSA_DIS'],
2883 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2886 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2888 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2889 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2890 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2891 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2892 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2893 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2894 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2895 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2896 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2897 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2898 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2899 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2900 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2901 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2902 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2903 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2905 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2907 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2908 actual_target_dirs = []
2910 foreach target : target_dirs
2911 config_target = { 'TARGET_NAME': target.split('-')[0] }
2912 if target.endswith('linux-user')
2913 if targetos != 'linux'
2917 error('Target @0@ is only available on a Linux host'.format(target))
2919 config_target += { 'CONFIG_LINUX_USER': 'y' }
2920 elif target.endswith('bsd-user')
2921 if targetos not in bsd_oses
2925 error('Target @0@ is only available on a BSD host'.format(target))
2927 config_target += { 'CONFIG_BSD_USER': 'y' }
2928 elif target.endswith('softmmu')
2929 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2930 config_target += { 'CONFIG_SOFTMMU': 'y' }
2932 if target.endswith('-user')
2934 'CONFIG_USER_ONLY': 'y',
2935 'CONFIG_QEMU_INTERP_PREFIX':
2936 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2941 foreach sym: accelerators
2942 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2943 config_target += { sym: 'y' }
2944 config_all += { sym: 'y' }
2945 if target in modular_tcg
2946 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2948 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2950 accel_kconfig += [ sym + '=y' ]
2953 if accel_kconfig.length() == 0
2957 error('No accelerator available for target @0@'.format(target))
2960 actual_target_dirs += target
2961 config_target += keyval.load('configs/targets' / target + '.mak')
2962 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2964 if 'TARGET_NEED_FDT' in config_target
2965 fdt_required += target
2969 if 'TARGET_BASE_ARCH' not in config_target
2970 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2972 if 'TARGET_ABI_DIR' not in config_target
2973 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2975 if 'TARGET_BIG_ENDIAN' not in config_target
2976 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2979 foreach k, v: disassemblers
2980 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2982 config_target += { sym: 'y' }
2983 config_all_disas += { sym: 'y' }
2988 config_target_data = configuration_data()
2989 foreach k, v: config_target
2990 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2992 elif ignored.contains(k)
2994 elif k == 'TARGET_BASE_ARCH'
2995 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2996 # not used to select files from sourcesets.
2997 config_target_data.set('TARGET_' + v.to_upper(), 1)
2998 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2999 config_target_data.set_quoted(k, v)
3001 config_target_data.set(k, 1)
3003 config_target_data.set(k, 0)
3005 config_target_data.set(k, v)
3008 config_target_data.set('QEMU_ARCH',
3009 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3010 config_target_h += {target: configure_file(output: target + '-config-target.h',
3011 configuration: config_target_data)}
3013 if target.endswith('-softmmu')
3014 config_input = meson.get_external_property(target, 'default')
3015 config_devices_mak = target + '-config-devices.mak'
3016 config_devices_mak = configure_file(
3017 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3018 output: config_devices_mak,
3019 depfile: config_devices_mak + '.d',
3021 command: [minikconf,
3022 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3023 config_devices_mak, '@DEPFILE@', '@INPUT@',
3024 host_kconfig, accel_kconfig,
3025 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3027 config_devices_data = configuration_data()
3028 config_devices = keyval.load(config_devices_mak)
3029 foreach k, v: config_devices
3030 config_devices_data.set(k, 1)
3032 config_devices_mak_list += config_devices_mak
3033 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3034 configuration: config_devices_data)}
3035 config_target += config_devices
3036 config_all_devices += config_devices
3038 config_target_mak += {target: config_target}
3040 target_dirs = actual_target_dirs
3042 # This configuration is used to build files that are shared by
3043 # multiple binaries, and then extracted out of the "common"
3044 # static_library target.
3046 # We do not use all_sources()/all_dependencies(), because it would
3047 # build literally all source files, including devices only used by
3048 # targets that are not built for this compilation. The CONFIG_ALL
3049 # pseudo symbol replaces it.
3051 config_all += config_all_devices
3052 config_all += config_targetos
3053 config_all += config_all_disas
3055 'CONFIG_XEN': xen.found(),
3056 'CONFIG_SYSTEM_ONLY': have_system,
3057 'CONFIG_USER_ONLY': have_user,
3061 target_configs_h = []
3062 foreach target: target_dirs
3063 target_configs_h += config_target_h[target]
3064 target_configs_h += config_devices_h.get(target, [])
3066 genh += custom_target('config-poison.h',
3067 input: [target_configs_h],
3068 output: 'config-poison.h',
3070 command: [find_program('scripts/make-config-poison.sh'),
3077 capstone = not_found
3078 if not get_option('capstone').auto() or have_system or have_user
3079 capstone = dependency('capstone', version: '>=3.0.5',
3080 method: 'pkg-config',
3081 required: get_option('capstone'))
3083 # Some versions of capstone have broken pkg-config file
3084 # that reports a wrong -I path, causing the #include to
3085 # fail later. If the system has such a broken version
3087 if capstone.found() and not cc.compiles('#include <capstone.h>',
3088 dependencies: [capstone])
3089 capstone = not_found
3090 if get_option('capstone').enabled()
3091 error('capstone requested, but it does not appear to work')
3096 libvfio_user_dep = not_found
3097 if have_system and vfio_user_server_allowed
3098 libvfio_user_proj = subproject('libvfio-user', required: true)
3099 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3103 fdt_opt = get_option('fdt')
3104 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3105 if fdt_opt == 'disabled'
3106 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3109 if fdt_opt in ['enabled', 'auto', 'system']
3110 if get_option('wrap_mode') == 'nodownload'
3113 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3114 if fdt.found() and cc.links('''
3116 #include <libfdt_env.h>
3117 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3120 elif fdt_opt == 'system'
3121 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3123 fdt_opt = 'internal'
3128 assert(fdt_opt == 'internal')
3129 libfdt_proj = subproject('dtc', required: true,
3130 default_options: ['tools=false', 'yaml=disabled',
3131 'python=disabled', 'default_library=static'])
3132 fdt = libfdt_proj.get_variable('libfdt_dep')
3135 fdt_opt = 'disabled'
3138 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3139 config_host_data.set('CONFIG_FDT', fdt.found())
3140 config_host_data.set('CONFIG_SLIRP', slirp.found())
3142 #####################
3143 # Generated sources #
3144 #####################
3146 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3148 hxtool = find_program('scripts/hxtool')
3149 shaderinclude = find_program('scripts/shaderinclude.py')
3150 qapi_gen = find_program('scripts/qapi-gen.py')
3151 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3152 meson.current_source_dir() / 'scripts/qapi/commands.py',
3153 meson.current_source_dir() / 'scripts/qapi/common.py',
3154 meson.current_source_dir() / 'scripts/qapi/error.py',
3155 meson.current_source_dir() / 'scripts/qapi/events.py',
3156 meson.current_source_dir() / 'scripts/qapi/expr.py',
3157 meson.current_source_dir() / 'scripts/qapi/gen.py',
3158 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3159 meson.current_source_dir() / 'scripts/qapi/main.py',
3160 meson.current_source_dir() / 'scripts/qapi/parser.py',
3161 meson.current_source_dir() / 'scripts/qapi/schema.py',
3162 meson.current_source_dir() / 'scripts/qapi/source.py',
3163 meson.current_source_dir() / 'scripts/qapi/types.py',
3164 meson.current_source_dir() / 'scripts/qapi/visit.py',
3165 meson.current_source_dir() / 'scripts/qapi-gen.py'
3169 python, files('scripts/tracetool.py'),
3170 '--backend=' + ','.join(get_option('trace_backends'))
3172 tracetool_depends = files(
3173 'scripts/tracetool/backend/log.py',
3174 'scripts/tracetool/backend/__init__.py',
3175 'scripts/tracetool/backend/dtrace.py',
3176 'scripts/tracetool/backend/ftrace.py',
3177 'scripts/tracetool/backend/simple.py',
3178 'scripts/tracetool/backend/syslog.py',
3179 'scripts/tracetool/backend/ust.py',
3180 'scripts/tracetool/format/ust_events_c.py',
3181 'scripts/tracetool/format/ust_events_h.py',
3182 'scripts/tracetool/format/__init__.py',
3183 'scripts/tracetool/format/d.py',
3184 'scripts/tracetool/format/simpletrace_stap.py',
3185 'scripts/tracetool/format/c.py',
3186 'scripts/tracetool/format/h.py',
3187 'scripts/tracetool/format/log_stap.py',
3188 'scripts/tracetool/format/stap.py',
3189 'scripts/tracetool/__init__.py',
3190 'scripts/tracetool/vcpu.py'
3193 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3194 meson.current_source_dir(),
3195 get_option('pkgversion'), meson.project_version()]
3196 qemu_version = custom_target('qemu-version.h',
3197 output: 'qemu-version.h',
3198 command: qemu_version_cmd,
3200 build_by_default: true,
3201 build_always_stale: true)
3202 genh += qemu_version
3206 ['qemu-options.hx', 'qemu-options.def'],
3207 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3211 ['hmp-commands.hx', 'hmp-commands.h'],
3212 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3215 foreach d : hx_headers
3216 hxdep += custom_target(d[1],
3220 command: [hxtool, '-h', '@INPUT0@'])
3228 authz_ss = ss.source_set()
3229 blockdev_ss = ss.source_set()
3230 block_ss = ss.source_set()
3231 chardev_ss = ss.source_set()
3232 common_ss = ss.source_set()
3233 crypto_ss = ss.source_set()
3234 hwcore_ss = ss.source_set()
3235 io_ss = ss.source_set()
3236 qmp_ss = ss.source_set()
3237 qom_ss = ss.source_set()
3238 system_ss = ss.source_set()
3239 specific_fuzz_ss = ss.source_set()
3240 specific_ss = ss.source_set()
3241 stub_ss = ss.source_set()
3242 trace_ss = ss.source_set()
3243 user_ss = ss.source_set()
3244 util_ss = ss.source_set()
3247 qtest_module_ss = ss.source_set()
3248 tcg_module_ss = ss.source_set()
3254 target_system_arch = {}
3255 target_user_arch = {}
3261 # TODO: add each directory to the subdirs from its own meson.build, once
3263 trace_events_subdirs = [
3272 trace_events_subdirs += [ 'linux-user' ]
3275 trace_events_subdirs += [ 'bsd-user' ]
3278 trace_events_subdirs += [
3287 trace_events_subdirs += [
3301 'hw/block/dataplane',
3352 if have_system or have_user
3353 trace_events_subdirs += [
3371 vhost_user = not_found
3372 if targetos == 'linux' and have_vhost_user
3373 libvhost_user = subproject('libvhost-user')
3374 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3377 libvduse = not_found
3379 libvduse_proj = subproject('libvduse')
3380 libvduse = libvduse_proj.get_variable('libvduse_dep')
3383 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3384 # that is filled in by qapi/.
3398 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3399 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3402 qom_ss = qom_ss.apply(config_targetos, strict: false)
3403 libqom = static_library('qom', qom_ss.sources() + genh,
3404 dependencies: [qom_ss.dependencies()],
3406 build_by_default: false)
3407 qom = declare_dependency(link_whole: libqom)
3409 event_loop_base = files('event-loop-base.c')
3410 event_loop_base = static_library('event-loop-base',
3411 sources: event_loop_base + genh,
3413 build_by_default: false)
3414 event_loop_base = declare_dependency(link_whole: event_loop_base,
3415 dependencies: [qom])
3417 stub_ss = stub_ss.apply(config_all, strict: false)
3419 util_ss.add_all(trace_ss)
3420 util_ss = util_ss.apply(config_all, strict: false)
3421 libqemuutil = static_library('qemuutil',
3422 build_by_default: false,
3423 sources: util_ss.sources() + stub_ss.sources() + genh,
3424 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3425 qemuutil = declare_dependency(link_with: libqemuutil,
3426 sources: genh + version_res,
3427 dependencies: [event_loop_base])
3429 if have_system or have_user
3430 decodetree = generator(find_program('scripts/decodetree.py'),
3431 output: 'decode-@BASENAME@.c.inc',
3432 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3433 subdir('libdecnumber')
3450 if config_host_data.get('CONFIG_REPLICATION')
3451 block_ss.add(files('replication.c'))
3458 blockdev_ss.add(files(
3465 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3466 # os-win32.c does not
3467 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3468 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3471 common_ss.add(files('cpu-common.c'))
3472 specific_ss.add(files('cpu-target.c'))
3476 # Work around a gcc bug/misfeature wherein constant propagation looks
3478 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3479 # to guess that a const variable is always zero. Without lto, this is
3480 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3481 # without lto, not even the alias is required -- we simply use different
3482 # declarations in different compilation units.
3483 pagevary = files('page-vary-common.c')
3484 if get_option('b_lto')
3485 pagevary_flags = ['-fno-lto']
3486 if get_option('cfi')
3487 pagevary_flags += '-fno-sanitize=cfi-icall'
3489 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3490 c_args: pagevary_flags)
3491 pagevary = declare_dependency(link_with: pagevary)
3493 common_ss.add(pagevary)
3494 specific_ss.add(files('page-vary-target.c'))
3502 subdir('semihosting')
3510 common_user_inc = []
3512 subdir('common-user')
3514 subdir('linux-user')
3516 # needed for fuzzing binaries
3517 subdir('tests/qtest/libqos')
3518 subdir('tests/qtest/fuzz')
3521 tcg_real_module_ss = ss.source_set()
3522 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3523 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3524 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3525 'tcg': tcg_real_module_ss }}
3527 ########################
3528 # Library dependencies #
3529 ########################
3531 modinfo_collect = find_program('scripts/modinfo-collect.py')
3532 modinfo_generate = find_program('scripts/modinfo-generate.py')
3537 foreach d, list : modules
3538 if not (d == 'block' ? have_block : have_system)
3542 foreach m, module_ss : list
3544 module_ss = module_ss.apply(config_all, strict: false)
3545 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3546 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3552 if module_ss.sources() != []
3553 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3554 # input. Sources can be used multiple times but objects are
3555 # unique when it comes to lookup in compile_commands.json.
3556 # Depnds on a mesion version with
3557 # https://github.com/mesonbuild/meson/pull/8900
3558 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3559 output: d + '-' + m + '.modinfo',
3560 input: module_ss.sources() + genh,
3562 command: [modinfo_collect, module_ss.sources()])
3566 block_ss.add_all(module_ss)
3568 system_ss.add_all(module_ss)
3574 foreach d, list : target_modules
3575 foreach m, module_ss : list
3577 foreach target : target_dirs
3578 if target.endswith('-softmmu')
3579 config_target = config_target_mak[target]
3580 config_target += config_targetos
3581 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3582 c_args = ['-DNEED_CPU_H',
3583 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3584 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3585 target_module_ss = module_ss.apply(config_target, strict: false)
3586 if target_module_ss.sources() != []
3587 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3588 sl = static_library(module_name,
3589 [genh, target_module_ss.sources()],
3590 dependencies: [modulecommon, target_module_ss.dependencies()],
3591 include_directories: target_inc,
3595 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3596 modinfo_files += custom_target(module_name + '.modinfo',
3597 output: module_name + '.modinfo',
3598 input: target_module_ss.sources() + genh,
3600 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3605 specific_ss.add_all(module_ss)
3611 foreach target : target_dirs
3612 if target.endswith('-softmmu')
3613 config_target = config_target_mak[target]
3614 config_devices_mak = target + '-config-devices.mak'
3615 modinfo_src = custom_target('modinfo-' + target + '.c',
3616 output: 'modinfo-' + target + '.c',
3617 input: modinfo_files,
3618 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3621 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3622 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3624 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3625 hw_arch[arch].add(modinfo_dep)
3630 nm = find_program('nm')
3631 undefsym = find_program('scripts/undefsym.py')
3632 block_syms = custom_target('block.syms', output: 'block.syms',
3633 input: [libqemuutil, block_mods],
3635 command: [undefsym, nm, '@INPUT@'])
3636 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3637 input: [libqemuutil, system_mods],
3639 command: [undefsym, nm, '@INPUT@'])
3641 authz_ss = authz_ss.apply(config_targetos, strict: false)
3642 libauthz = static_library('authz', authz_ss.sources() + genh,
3643 dependencies: [authz_ss.dependencies()],
3645 build_by_default: false)
3647 authz = declare_dependency(link_whole: libauthz,
3650 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3651 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3652 dependencies: [crypto_ss.dependencies()],
3654 build_by_default: false)
3656 crypto = declare_dependency(link_whole: libcrypto,
3657 dependencies: [authz, qom])
3659 io_ss = io_ss.apply(config_targetos, strict: false)
3660 libio = static_library('io', io_ss.sources() + genh,
3661 dependencies: [io_ss.dependencies()],
3662 link_with: libqemuutil,
3664 build_by_default: false)
3666 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3668 libmigration = static_library('migration', sources: migration_files + genh,
3670 build_by_default: false)
3671 migration = declare_dependency(link_with: libmigration,
3672 dependencies: [zlib, qom, io])
3673 system_ss.add(migration)
3675 block_ss = block_ss.apply(config_targetos, strict: false)
3676 libblock = static_library('block', block_ss.sources() + genh,
3677 dependencies: block_ss.dependencies(),
3678 link_depends: block_syms,
3680 build_by_default: false)
3682 block = declare_dependency(link_whole: [libblock],
3683 link_args: '@block.syms',
3684 dependencies: [crypto, io])
3686 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3687 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3688 dependencies: blockdev_ss.dependencies(),
3690 build_by_default: false)
3692 blockdev = declare_dependency(link_whole: [libblockdev],
3693 dependencies: [block, event_loop_base])
3695 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3696 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3697 dependencies: qmp_ss.dependencies(),
3699 build_by_default: false)
3701 qmp = declare_dependency(link_whole: [libqmp])
3703 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3705 dependencies: chardev_ss.dependencies(),
3706 build_by_default: false)
3708 chardev = declare_dependency(link_whole: libchardev)
3710 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3711 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3713 build_by_default: false)
3714 hwcore = declare_dependency(link_whole: libhwcore)
3715 common_ss.add(hwcore)
3721 emulator_modules = []
3722 foreach m : block_mods + system_mods
3723 emulator_modules += shared_module(m.name(),
3724 build_by_default: true,
3728 install_dir: qemu_moddir)
3730 if emulator_modules.length() > 0
3731 alias_target('modules', emulator_modules)
3734 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3735 common_ss.add(qom, qemuutil)
3737 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3738 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3740 common_all = common_ss.apply(config_all, strict: false)
3741 common_all = static_library('common',
3742 build_by_default: false,
3743 sources: common_all.sources() + genh,
3744 include_directories: common_user_inc,
3745 implicit_include_directories: false,
3746 dependencies: common_all.dependencies(),
3749 feature_to_c = find_program('scripts/feature_to_c.py')
3751 if targetos == 'darwin'
3752 entitlement = find_program('scripts/entitlement.sh')
3756 foreach target : target_dirs
3757 config_target = config_target_mak[target]
3758 target_name = config_target['TARGET_NAME']
3759 target_base_arch = config_target['TARGET_BASE_ARCH']
3760 arch_srcs = [config_target_h[target]]
3762 c_args = ['-DNEED_CPU_H',
3763 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3764 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3765 link_args = emulator_link_args
3767 config_target += config_targetos
3768 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3769 if targetos == 'linux'
3770 target_inc += include_directories('linux-headers', is_system: true)
3772 if target.endswith('-softmmu')
3773 target_type='system'
3774 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3775 arch_srcs += t.sources()
3776 arch_deps += t.dependencies()
3778 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3779 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3780 arch_srcs += hw.sources()
3781 arch_deps += hw.dependencies()
3783 arch_srcs += config_devices_h[target]
3784 link_args += ['@block.syms', '@qemu.syms']
3786 abi = config_target['TARGET_ABI_DIR']
3788 target_inc += common_user_inc
3789 if target_base_arch in target_user_arch
3790 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3791 arch_srcs += t.sources()
3792 arch_deps += t.dependencies()
3794 if 'CONFIG_LINUX_USER' in config_target
3795 base_dir = 'linux-user'
3797 if 'CONFIG_BSD_USER' in config_target
3798 base_dir = 'bsd-user'
3799 target_inc += include_directories('bsd-user/' / targetos)
3800 target_inc += include_directories('bsd-user/host/' / host_arch)
3801 dir = base_dir / abi
3802 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3804 target_inc += include_directories(
3808 if 'CONFIG_LINUX_USER' in config_target
3809 dir = base_dir / abi
3810 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3811 if config_target.has_key('TARGET_SYSTBL_ABI')
3813 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3814 extra_args : config_target['TARGET_SYSTBL_ABI'])
3819 if 'TARGET_XML_FILES' in config_target
3820 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3821 output: target + '-gdbstub-xml.c',
3822 input: files(config_target['TARGET_XML_FILES'].split()),
3823 command: [feature_to_c, '@INPUT@'],
3825 arch_srcs += gdbstub_xml
3828 t = target_arch[target_base_arch].apply(config_target, strict: false)
3829 arch_srcs += t.sources()
3830 arch_deps += t.dependencies()
3832 target_common = common_ss.apply(config_target, strict: false)
3833 objects = common_all.extract_objects(target_common.sources())
3834 deps = target_common.dependencies()
3836 target_specific = specific_ss.apply(config_target, strict: false)
3837 arch_srcs += target_specific.sources()
3838 arch_deps += target_specific.dependencies()
3840 lib = static_library('qemu-' + target,
3841 sources: arch_srcs + genh,
3842 dependencies: arch_deps,
3844 include_directories: target_inc,
3846 build_by_default: false,
3849 if target.endswith('-softmmu')
3851 'name': 'qemu-system-' + target_name,
3852 'win_subsystem': 'console',
3853 'sources': files('system/main.c'),
3856 if targetos == 'windows' and (sdl.found() or gtk.found())
3858 'name': 'qemu-system-' + target_name + 'w',
3859 'win_subsystem': 'windows',
3860 'sources': files('system/main.c'),
3864 if get_option('fuzzing')
3865 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3867 'name': 'qemu-fuzz-' + target_name,
3868 'win_subsystem': 'console',
3869 'sources': specific_fuzz.sources(),
3870 'dependencies': specific_fuzz.dependencies(),
3875 'name': 'qemu-' + target_name,
3876 'win_subsystem': 'console',
3882 exe_name = exe['name']
3883 if targetos == 'darwin'
3884 exe_name += '-unsigned'
3887 emulator = executable(exe_name, exe['sources'],
3890 dependencies: arch_deps + deps + exe['dependencies'],
3891 objects: lib.extract_all_objects(recursive: true),
3892 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3893 link_args: link_args,
3894 win_subsystem: exe['win_subsystem'])
3896 if targetos == 'darwin'
3897 icon = 'pc-bios/qemu.rsrc'
3898 build_input = [emulator, files(icon)]
3900 get_option('bindir') / exe_name,
3901 meson.current_source_dir() / icon
3903 if 'CONFIG_HVF' in config_target
3904 entitlements = 'accel/hvf/entitlements.plist'
3905 build_input += files(entitlements)
3906 install_input += meson.current_source_dir() / entitlements
3909 emulators += {exe['name'] : custom_target(exe['name'],
3911 output: exe['name'],
3912 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3915 meson.add_install_script(entitlement, '--install',
3916 get_option('bindir') / exe['name'],
3919 emulators += {exe['name']: emulator}
3924 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3925 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3926 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3927 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3929 custom_target(exe['name'] + stp['ext'],
3930 input: trace_events_all,
3931 output: exe['name'] + stp['ext'],
3932 install: stp['install'],
3933 install_dir: get_option('datadir') / 'systemtap/tapset',
3935 tracetool, '--group=all', '--format=' + stp['fmt'],
3936 '--binary=' + stp['bin'],
3937 '--target-name=' + target_name,
3938 '--target-type=' + target_type,
3939 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3940 '@INPUT@', '@OUTPUT@'
3942 depend_files: tracetool_depends)
3948 # Other build targets
3950 if get_option('plugins')
3951 install_headers('include/qemu/qemu-plugin.h')
3952 if targetos == 'windows'
3953 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3954 # so that plugin authors can compile against it.
3955 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3961 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3962 # when we don't build tools or system
3963 if xkbcommon.found()
3964 # used for the update-keymaps target, so include rules even if !have_tools
3965 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3966 dependencies: [qemuutil, xkbcommon], install: have_tools)
3970 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3971 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3972 qemu_io = executable('qemu-io', files('qemu-io.c'),
3973 dependencies: [block, qemuutil], install: true)
3974 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3975 dependencies: [blockdev, qemuutil, gnutls, selinux],
3978 subdir('storage-daemon')
3979 subdir('contrib/rdmacm-mux')
3980 subdir('contrib/elf2dmp')
3982 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3983 dependencies: qemuutil,
3987 subdir('contrib/vhost-user-blk')
3988 subdir('contrib/vhost-user-gpu')
3989 subdir('contrib/vhost-user-input')
3990 subdir('contrib/vhost-user-scsi')
3993 if targetos == 'linux'
3994 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3995 dependencies: [qemuutil, libcap_ng],
3997 install_dir: get_option('libexecdir'))
3999 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4000 dependencies: [authz, crypto, io, qom, qemuutil,
4001 libcap_ng, mpathpersist],
4006 subdir('contrib/ivshmem-client')
4007 subdir('contrib/ivshmem-server')
4020 if host_machine.system() == 'windows'
4022 find_program('scripts/nsis.py'),
4024 get_option('prefix'),
4025 meson.current_source_dir(),
4026 glib_pc.get_variable('bindir'),
4029 '-DDISPLAYVERSION=' + meson.project_version(),
4032 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4035 nsis_cmd += '-DCONFIG_GTK=y'
4038 nsis = custom_target('nsis',
4039 output: 'qemu-setup-' + meson.project_version() + '.exe',
4040 input: files('qemu.nsi'),
4041 build_always_stale: true,
4042 command: nsis_cmd + ['@INPUT@'])
4043 alias_target('installer', nsis)
4046 #########################
4047 # Configuration summary #
4048 #########################
4052 summary_info += {'Build directory': meson.current_build_dir()}
4053 summary_info += {'Source path': meson.current_source_dir()}
4054 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4055 summary(summary_info, bool_yn: true, section: 'Build environment')
4058 summary_info += {'Install prefix': get_option('prefix')}
4059 summary_info += {'BIOS directory': qemu_datadir}
4060 pathsep = targetos == 'windows' ? ';' : ':'
4061 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4062 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4063 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4064 summary_info += {'module directory': qemu_moddir}
4065 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4066 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4067 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4068 if targetos != 'windows'
4069 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4070 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4072 summary_info += {'local state directory': 'queried at runtime'}
4074 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4075 summary(summary_info, bool_yn: true, section: 'Directories')
4079 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4080 summary_info += {'sphinx-build': sphinx_build}
4082 # FIXME: the [binaries] section of machine files, which can be probed
4083 # with find_program(), would be great for passing gdb and genisoimage
4084 # paths from configure to Meson. However, there seems to be no way to
4085 # hide a program (for example if gdb is too old).
4086 if config_host.has_key('GDB')
4087 summary_info += {'gdb': config_host['GDB']}
4089 summary_info += {'iasl': iasl}
4090 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4091 if targetos == 'windows' and have_ga
4092 summary_info += {'wixl': wixl}
4094 if slirp.found() and have_system
4095 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4097 summary(summary_info, bool_yn: true, section: 'Host binaries')
4099 # Configurable features
4101 summary_info += {'Documentation': build_docs}
4102 summary_info += {'system-mode emulation': have_system}
4103 summary_info += {'user-mode emulation': have_user}
4104 summary_info += {'block layer': have_block}
4105 summary_info += {'Install blobs': get_option('install_blobs')}
4106 summary_info += {'module support': enable_modules}
4108 summary_info += {'alternative module path': get_option('module_upgrades')}
4110 summary_info += {'fuzzing support': get_option('fuzzing')}
4112 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4114 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4115 if 'simple' in get_option('trace_backends')
4116 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4118 summary_info += {'D-Bus display': dbus_display}
4119 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4120 summary_info += {'Relocatable install': get_option('relocatable')}
4121 summary_info += {'vhost-kernel support': have_vhost_kernel}
4122 summary_info += {'vhost-net support': have_vhost_net}
4123 summary_info += {'vhost-user support': have_vhost_user}
4124 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4125 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4126 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4127 summary_info += {'build guest agent': have_ga}
4128 summary(summary_info, bool_yn: true, section: 'Configurable features')
4130 # Compilation information
4132 summary_info += {'host CPU': cpu}
4133 summary_info += {'host endianness': build_machine.endian()}
4134 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4135 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4136 if 'cpp' in all_languages
4137 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4139 summary_info += {'C++ compiler': false}
4141 if 'objc' in all_languages
4142 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4144 summary_info += {'Objective-C compiler': false}
4146 option_cflags = (get_option('debug') ? ['-g'] : [])
4147 if get_option('optimization') != 'plain'
4148 option_cflags += ['-O' + get_option('optimization')]
4150 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4151 if 'cpp' in all_languages
4152 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4154 if 'objc' in all_languages
4155 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4157 link_args = get_option('c_link_args')
4158 if link_args.length() > 0
4159 summary_info += {'LDFLAGS': ' '.join(link_args)}
4161 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4162 if 'cpp' in all_languages
4163 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4165 if 'objc' in all_languages
4166 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4168 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4169 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4170 summary_info += {'PIE': get_option('b_pie')}
4171 summary_info += {'static build': get_option('prefer_static')}
4172 summary_info += {'malloc trim support': has_malloc_trim}
4173 summary_info += {'membarrier': have_membarrier}
4174 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4175 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4176 summary_info += {'mutex debugging': get_option('debug_mutex')}
4177 summary_info += {'memory allocator': get_option('malloc')}
4178 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4179 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4180 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4181 summary_info += {'gcov': get_option('b_coverage')}
4182 summary_info += {'thread sanitizer': get_option('tsan')}
4183 summary_info += {'CFI support': get_option('cfi')}
4184 if get_option('cfi')
4185 summary_info += {'CFI debug support': get_option('cfi_debug')}
4187 summary_info += {'strip binaries': get_option('strip')}
4188 summary_info += {'sparse': sparse}
4189 summary_info += {'mingw32 support': targetos == 'windows'}
4190 summary(summary_info, bool_yn: true, section: 'Compilation')
4192 # snarf the cross-compilation information for tests
4195 foreach target: target_dirs
4196 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4197 if fs.exists(tcg_mak)
4198 config_cross_tcg = keyval.load(tcg_mak)
4199 if 'CC' in config_cross_tcg
4200 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4206 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4209 # Targets and accelerators
4212 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4213 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4214 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4215 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4216 summary_info += {'Xen support': xen.found()}
4218 summary_info += {'xen ctrl version': xen.version()}
4220 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4222 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4223 if config_all.has_key('CONFIG_TCG')
4224 if get_option('tcg_interpreter')
4225 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4227 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4229 summary_info += {'TCG plugins': get_option('plugins')}
4230 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4232 summary_info += {'target list': ' '.join(target_dirs)}
4234 summary_info += {'default devices': get_option('default_devices')}
4235 summary_info += {'out of process emulation': multiprocess_allowed}
4236 summary_info += {'vfio-user server': vfio_user_server_allowed}
4238 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4242 summary_info += {'coroutine backend': coroutine_backend}
4243 summary_info += {'coroutine pool': have_coroutine_pool}
4245 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4246 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4247 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4248 summary_info += {'VirtFS (9P) support': have_virtfs}
4249 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4250 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4251 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4252 summary_info += {'bochs support': get_option('bochs').allowed()}
4253 summary_info += {'cloop support': get_option('cloop').allowed()}
4254 summary_info += {'dmg support': get_option('dmg').allowed()}
4255 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4256 summary_info += {'vdi support': get_option('vdi').allowed()}
4257 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4258 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4259 summary_info += {'vpc support': get_option('vpc').allowed()}
4260 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4261 summary_info += {'qed support': get_option('qed').allowed()}
4262 summary_info += {'parallels support': get_option('parallels').allowed()}
4263 summary_info += {'FUSE exports': fuse}
4264 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4266 summary(summary_info, bool_yn: true, section: 'Block layer support')
4270 summary_info += {'TLS priority': get_option('tls_priority')}
4271 summary_info += {'GNUTLS support': gnutls}
4273 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4275 summary_info += {'libgcrypt': gcrypt}
4276 summary_info += {'nettle': nettle}
4278 summary_info += {' XTS': xts != 'private'}
4280 summary_info += {'AF_ALG support': have_afalg}
4281 summary_info += {'rng-none': get_option('rng_none')}
4282 summary_info += {'Linux keyring': have_keyring}
4283 summary_info += {'Linux keyutils': keyutils}
4284 summary(summary_info, bool_yn: true, section: 'Crypto')
4288 if targetos == 'darwin'
4289 summary_info += {'Cocoa support': cocoa}
4291 summary_info += {'SDL support': sdl}
4292 summary_info += {'SDL image support': sdl_image}
4293 summary_info += {'GTK support': gtk}
4294 summary_info += {'pixman': pixman}
4295 summary_info += {'VTE support': vte}
4296 summary_info += {'PNG support': png}
4297 summary_info += {'VNC support': vnc}
4299 summary_info += {'VNC SASL support': sasl}
4300 summary_info += {'VNC JPEG support': jpeg}
4302 summary_info += {'spice protocol support': spice_protocol}
4303 if spice_protocol.found()
4304 summary_info += {' spice server support': spice}
4306 summary_info += {'curses support': curses}
4307 summary_info += {'brlapi support': brlapi}
4308 summary(summary_info, bool_yn: true, section: 'User interface')
4312 if targetos not in ['darwin', 'haiku', 'windows']
4313 summary_info += {'OSS support': oss}
4314 summary_info += {'sndio support': sndio}
4315 elif targetos == 'darwin'
4316 summary_info += {'CoreAudio support': coreaudio}
4317 elif targetos == 'windows'
4318 summary_info += {'DirectSound support': dsound}
4320 if targetos == 'linux'
4321 summary_info += {'ALSA support': alsa}
4322 summary_info += {'PulseAudio support': pulse}
4324 summary_info += {'PipeWire support': pipewire}
4325 summary_info += {'JACK support': jack}
4326 summary(summary_info, bool_yn: true, section: 'Audio backends')
4330 if targetos == 'darwin'
4331 summary_info += {'vmnet.framework support': vmnet}
4333 summary_info += {'AF_XDP support': libxdp}
4334 summary_info += {'slirp support': slirp}
4335 summary_info += {'vde support': vde}
4336 summary_info += {'netmap support': have_netmap}
4337 summary_info += {'l2tpv3 support': have_l2tpv3}
4338 summary(summary_info, bool_yn: true, section: 'Network backends')
4342 summary_info += {'libtasn1': tasn1}
4343 summary_info += {'PAM': pam}
4344 summary_info += {'iconv support': iconv}
4345 summary_info += {'virgl support': virgl}
4346 summary_info += {'rutabaga support': rutabaga}
4347 summary_info += {'blkio support': blkio}
4348 summary_info += {'curl support': curl}
4349 summary_info += {'Multipath support': mpathpersist}
4350 summary_info += {'Linux AIO support': libaio}
4351 summary_info += {'Linux io_uring support': linux_io_uring}
4352 summary_info += {'ATTR/XATTR support': libattr}
4353 summary_info += {'RDMA support': rdma}
4354 summary_info += {'PVRDMA support': have_pvrdma}
4355 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4356 summary_info += {'libcap-ng support': libcap_ng}
4357 summary_info += {'bpf support': libbpf}
4358 summary_info += {'rbd support': rbd}
4359 summary_info += {'smartcard support': cacard}
4360 summary_info += {'U2F support': u2f}
4361 summary_info += {'libusb': libusb}
4362 summary_info += {'usb net redir': usbredir}
4363 summary_info += {'OpenGL support (epoxy)': opengl}
4364 summary_info += {'GBM': gbm}
4365 summary_info += {'libiscsi support': libiscsi}
4366 summary_info += {'libnfs support': libnfs}
4367 if targetos == 'windows'
4369 summary_info += {'QGA VSS support': have_qga_vss}
4372 summary_info += {'seccomp support': seccomp}
4373 summary_info += {'GlusterFS support': glusterfs}
4374 summary_info += {'hv-balloon support': hv_balloon}
4375 summary_info += {'TPM support': have_tpm}
4376 summary_info += {'libssh support': libssh}
4377 summary_info += {'lzo support': lzo}
4378 summary_info += {'snappy support': snappy}
4379 summary_info += {'bzip2 support': libbzip2}
4380 summary_info += {'lzfse support': liblzfse}
4381 summary_info += {'zstd support': zstd}
4382 summary_info += {'NUMA host support': numa}
4383 summary_info += {'capstone': capstone}
4384 summary_info += {'libpmem support': libpmem}
4385 summary_info += {'libdaxctl support': libdaxctl}
4386 summary_info += {'libudev': libudev}
4387 # Dummy dependency, keep .found()
4388 summary_info += {'FUSE lseek': fuse_lseek.found()}
4389 summary_info += {'selinux': selinux}
4390 summary_info += {'libdw': libdw}
4391 summary(summary_info, bool_yn: true, section: 'Dependencies')
4393 if host_arch == 'unknown'
4395 warning('UNSUPPORTED HOST CPU')
4397 message('Support for CPU host architecture ' + cpu + ' is not currently')
4398 message('maintained. The QEMU project does not guarantee that QEMU will')
4399 message('compile or work on this host CPU. You can help by volunteering')
4400 message('to maintain it and providing a build host for our continuous')
4401 message('integration setup.')
4402 if get_option('tcg').allowed() and target_dirs.length() > 0
4404 message('configure has succeeded and you can continue to build, but')
4405 message('QEMU will use a slow interpreter to emulate the target CPU.')
4409 if not supported_oses.contains(targetos)
4411 warning('UNSUPPORTED HOST OS')
4413 message('Support for host OS ' + targetos + 'is not currently maintained.')
4414 message('configure has succeeded and you can continue to build, but')
4415 message('the QEMU project does not guarantee that QEMU will compile or')
4416 message('work on this operating system. You can help by volunteering')
4417 message('to maintain it and providing a build host for our continuous')
4418 message('integration setup. This will ensure that future versions of QEMU')
4419 message('will keep working on ' + targetos + '.')
4422 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4424 message('If you want to help supporting QEMU on this platform, please')
4425 message('contact the developers at qemu-devel@nongnu.org.')
4428 actually_reloc = get_option('relocatable')
4429 # check if get_relocated_path() is actually able to relocate paths
4430 if get_option('relocatable') and \
4431 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4433 warning('bindir not included within prefix, the installation will not be relocatable.')
4434 actually_reloc = false
4436 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4437 if targetos == 'windows'
4439 warning('Windows installs should usually be relocatable.')
4442 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4443 message('Use --disable-relocatable to remove this warning.')