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)
127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
129 if cpu in ['aarch64']
130 accelerator_targets += {
131 'CONFIG_HVF': ['aarch64-softmmu']
135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136 # i386 emulator provides xenpv machine type for multiple architectures
137 accelerator_targets += {
138 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
141 if cpu in ['x86', 'x86_64']
142 accelerator_targets += {
143 'CONFIG_HVF': ['x86_64-softmmu'],
144 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
150 # Darwin does not support references to thread-local variables in modules
151 if targetos != 'darwin'
152 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
155 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
156 unpack_edk2_blobs = false
157 foreach target : edk2_targets
158 if target in target_dirs
159 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
160 unpack_edk2_blobs = bzip2.found()
167 if 'dtrace' in get_option('trace_backends')
168 dtrace = find_program('dtrace', required: true)
169 stap = find_program('stap', required: false)
171 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
172 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
173 # instead. QEMU --enable-modules depends on this because the SystemTap
174 # semaphores are linked into the main binary and not the module's shared
176 add_global_arguments('-DSTAP_SDT_V2',
177 native: false, language: all_languages)
181 if get_option('iasl') == ''
182 iasl = find_program('iasl', required: false)
184 iasl = find_program(get_option('iasl'), required: true)
191 foreach lang : all_languages
192 compiler = meson.get_compiler(lang)
193 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
195 elif compiler.get_id() == 'clang' and compiler.compiles('''
196 #ifdef __apple_build_version__
197 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
198 # error You need at least XCode Clang v12.0 to compile QEMU
201 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
202 # error You need at least Clang v10.0 to compile QEMU
207 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
211 # default flags for all hosts
212 # We use -fwrapv to tell the compiler that we require a C dialect where
213 # left shift of signed integers is well defined and has the expected
214 # 2s-complement style results. (Both clang and gcc agree that it
215 # provides these semantics.)
217 qemu_common_flags = [
218 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
219 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
223 if targetos == 'darwin'
224 # Disable attempts to use ObjectiveC features in os/object.h since they
225 # won't work when we're compiling with gcc as a C compiler.
226 if compiler.get_id() == 'gcc'
227 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'sunos'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Set up C++ compiler flags
478 if 'cpp' in all_languages
479 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
483 if get_option('optimization') != '0' and targetos == 'linux'
484 if cc.get_id() == 'gcc'
485 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
487 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
488 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
492 add_project_arguments(qemu_cflags, native: false, language: 'c')
493 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
494 if 'cpp' in all_languages
495 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
496 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
498 if 'objc' in all_languages
499 # Note sanitizer flags are not applied to Objective-C sources!
500 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
502 if targetos == 'linux'
503 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
504 '-isystem', 'linux-headers',
505 language: all_languages)
508 add_project_arguments('-iquote', '.',
509 '-iquote', meson.current_source_dir(),
510 '-iquote', meson.current_source_dir() / 'include',
511 language: all_languages)
513 # If a host-specific include directory exists, list that first...
514 host_include = meson.current_source_dir() / 'host/include/'
515 if fs.is_dir(host_include / host_arch)
516 add_project_arguments('-iquote', host_include / host_arch,
517 language: all_languages)
519 # ... followed by the generic fallback.
520 add_project_arguments('-iquote', host_include / 'generic',
521 language: all_languages)
523 sparse = find_program('cgcc', required: get_option('sparse'))
526 command: [find_program('scripts/check_sparse.py'),
527 'compile_commands.json', sparse.full_path(), '-Wbitwise',
528 '-Wno-transparent-union', '-Wno-old-initializer',
529 '-Wno-non-pointer-null'])
532 ###########################################
533 # Target-specific checks and dependencies #
534 ###########################################
537 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
540 #include <sys/types.h>
541 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
542 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
544 args: ['-Werror', '-fsanitize=fuzzer'])
545 error('Your compiler does not support -fsanitize=fuzzer')
549 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
550 error('ftrace is supported only on Linux')
552 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
555 openlog("qemu", LOG_PID, LOG_DAEMON);
556 syslog(LOG_INFO, "configure");
559 error('syslog is not supported on this system')
562 # Miscellaneous Linux-only features
563 get_option('mpath') \
564 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
566 multiprocess_allowed = get_option('multiprocess') \
567 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
570 vfio_user_server_allowed = get_option('vfio_user_server') \
571 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
574 have_tpm = get_option('tpm') \
575 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
579 have_vhost_user = get_option('vhost_user') \
580 .disable_auto_if(targetos != 'linux') \
581 .require(targetos != 'windows',
582 error_message: 'vhost-user is not available on Windows').allowed()
583 have_vhost_vdpa = get_option('vhost_vdpa') \
584 .require(targetos == 'linux',
585 error_message: 'vhost-vdpa is only available on Linux').allowed()
586 have_vhost_kernel = get_option('vhost_kernel') \
587 .require(targetos == 'linux',
588 error_message: 'vhost-kernel is only available on Linux').allowed()
589 have_vhost_user_crypto = get_option('vhost_crypto') \
590 .require(have_vhost_user,
591 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
593 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
595 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
596 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
597 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
598 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
600 # Target-specific libraries and flags
601 libm = cc.find_library('m', required: false)
602 threads = dependency('threads')
603 util = cc.find_library('util', required: false)
609 emulator_link_args = []
616 if targetos == 'windows'
617 midl = find_program('midl', required: false)
618 widl = find_program('widl', required: false)
619 pathcch = cc.find_library('pathcch')
620 socket = cc.find_library('ws2_32')
621 winmm = cc.find_library('winmm')
623 win = import('windows')
624 version_res = win.compile_resources('version.rc',
625 depend_files: files('pc-bios/qemu-nsis.ico'),
626 include_directories: include_directories('.'))
628 elif targetos == 'darwin'
629 coref = dependency('appleframeworks', modules: 'CoreFoundation')
630 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
631 host_dsosuf = '.dylib'
632 elif targetos == 'sunos'
633 socket = [cc.find_library('socket'),
634 cc.find_library('nsl'),
635 cc.find_library('resolv')]
636 elif targetos == 'haiku'
637 socket = [cc.find_library('posix_error_mapper'),
638 cc.find_library('network'),
639 cc.find_library('bsd')]
640 elif targetos == 'openbsd'
641 if get_option('tcg').allowed() and target_dirs.length() > 0
642 # Disable OpenBSD W^X if available
643 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
647 # Target-specific configuration of accelerators
649 if get_option('kvm').allowed() and targetos == 'linux'
650 accelerators += 'CONFIG_KVM'
652 if get_option('whpx').allowed() and targetos == 'windows'
653 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
654 error('WHPX requires 64-bit host')
655 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
656 cc.has_header('winhvemulation.h', required: get_option('whpx'))
657 accelerators += 'CONFIG_WHPX'
660 if get_option('hvf').allowed()
661 hvf = dependency('appleframeworks', modules: 'Hypervisor',
662 required: get_option('hvf'))
664 accelerators += 'CONFIG_HVF'
667 if targetos == 'netbsd'
668 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
670 accelerators += 'CONFIG_NVMM'
675 if get_option('tcg').allowed()
676 if host_arch == 'unknown'
677 if not get_option('tcg_interpreter')
678 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
680 elif get_option('tcg_interpreter')
681 warning('Use of the TCG interpreter is not recommended on this host')
682 warning('architecture. There is a native TCG execution backend available')
683 warning('which provides substantially better performance and reliability.')
684 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
685 warning('configuration option on this architecture to use the native')
688 if get_option('tcg_interpreter')
690 elif host_arch == 'x86_64'
692 elif host_arch == 'ppc64'
695 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
696 language: all_languages)
698 accelerators += 'CONFIG_TCG'
701 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
702 error('KVM not available on this platform')
704 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
705 error('HVF not available on this platform')
707 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
708 error('NVMM not available on this platform')
710 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
711 error('WHPX not available on this platform')
718 # When bumping glib minimum version, please check also whether to increase
719 # the _WIN32_WINNT setting in osdep.h according to the value from glib
720 glib_req_ver = '>=2.56.0'
721 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
722 method: 'pkg-config')
725 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
726 method: 'pkg-config')
727 elif get_option('plugins')
728 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
729 method: 'pkg-config')
734 # This workaround is required due to a bug in pkg-config file for glib as it
735 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
736 if targetos == 'windows' and get_option('prefer_static')
737 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
740 # Sanity check that the current size_t matches the
741 # size that glib thinks it should be. This catches
742 # problems on multi-arch where people try to build
743 # 32-bit QEMU while pointing at 64-bit glib headers
745 if not cc.compiles('''
749 #define QEMU_BUILD_BUG_ON(x) \
750 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
753 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
755 }''', dependencies: glib_pc, args: glib_cflags)
756 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
757 You probably need to set PKG_CONFIG_LIBDIR" to point
758 to the right pkg-config files for your build target.''')
761 # Silence clang warnings triggered by glib < 2.57.2
762 if not cc.compiles('''
767 static void foo_free(Foo *f)
771 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
772 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
773 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
775 glib = declare_dependency(dependencies: [glib_pc, gmodule],
776 compile_args: glib_cflags,
777 version: glib_pc.version())
779 # Check whether glib has gslice, which we have to avoid for correctness.
780 # TODO: remove this check and the corresponding workaround (qtree) when
781 # the minimum supported glib is >= 2.75.3
782 glib_has_gslice = glib.version().version_compare('<2.75.3')
784 # override glib dep to include the above refinements
785 meson.override_dependency('glib-2.0', glib)
787 # The path to glib.h is added to all compilation commands.
788 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
789 native: false, language: all_languages)
792 gdbus_codegen = not_found
793 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
794 if not get_option('gio').auto() or have_system
795 gio = dependency('gio-2.0', required: get_option('gio'),
796 method: 'pkg-config')
797 if gio.found() and not cc.links('''
801 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
803 }''', dependencies: [glib, gio])
804 if get_option('gio').enabled()
805 error('The installed libgio is broken for static linking')
810 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
811 required: get_option('gio'))
812 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
813 method: 'pkg-config')
814 gio = declare_dependency(dependencies: [gio, gio_unix],
815 version: gio.version())
818 if gdbus_codegen.found() and get_option('cfi')
819 gdbus_codegen = not_found
820 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
823 xml_pp = find_program('scripts/xml-preprocess.py')
826 if 'ust' in get_option('trace_backends')
827 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
828 method: 'pkg-config')
831 if have_system or have_tools
832 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
833 method: 'pkg-config')
835 zlib = dependency('zlib', required: true)
838 if not get_option('linux_aio').auto() or have_block
839 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
840 required: get_option('linux_aio'))
843 linux_io_uring_test = '''
844 #include <liburing.h>
845 #include <linux/errqueue.h>
847 int main(void) { return 0; }'''
849 linux_io_uring = not_found
850 if not get_option('linux_io_uring').auto() or have_block
851 linux_io_uring = dependency('liburing', version: '>=0.3',
852 required: get_option('linux_io_uring'),
853 method: 'pkg-config')
854 if not cc.links(linux_io_uring_test)
855 linux_io_uring = not_found
860 if not get_option('libnfs').auto() or have_block
861 libnfs = dependency('libnfs', version: '>=1.9.3',
862 required: get_option('libnfs'),
863 method: 'pkg-config')
868 #include <sys/types.h>
869 #ifdef CONFIG_LIBATTR
870 #include <attr/xattr.h>
872 #include <sys/xattr.h>
874 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
877 have_old_libattr = false
878 if get_option('attr').allowed()
879 if cc.links(libattr_test)
880 libattr = declare_dependency()
882 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
883 required: get_option('attr'))
884 if libattr.found() and not \
885 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
887 if get_option('attr').enabled()
888 error('could not link libattr')
890 warning('could not link libattr, disabling')
893 have_old_libattr = libattr.found()
898 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
899 required: get_option('cocoa'))
901 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
902 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
903 'VMNET_BRIDGED_MODE',
906 if get_option('vmnet').enabled()
907 error('vmnet.framework API is outdated')
909 warning('vmnet.framework API is outdated, disabling')
914 seccomp_has_sysrawrc = false
915 if not get_option('seccomp').auto() or have_system or have_tools
916 seccomp = dependency('libseccomp', version: '>=2.3.0',
917 required: get_option('seccomp'),
918 method: 'pkg-config')
920 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
921 'SCMP_FLTATR_API_SYSRAWRC',
922 dependencies: seccomp)
926 libcap_ng = not_found
927 if not get_option('cap_ng').auto() or have_system or have_tools
928 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
929 required: get_option('cap_ng'))
931 if libcap_ng.found() and not cc.links('''
935 capng_capability_to_name(CAPNG_EFFECTIVE);
937 }''', dependencies: libcap_ng)
938 libcap_ng = not_found
939 if get_option('cap_ng').enabled()
940 error('could not link libcap-ng')
942 warning('could not link libcap-ng, disabling')
946 if get_option('xkbcommon').auto() and not have_system and not have_tools
947 xkbcommon = not_found
949 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
950 method: 'pkg-config')
954 if not get_option('slirp').auto() or have_system
955 slirp = dependency('slirp', required: get_option('slirp'),
956 method: 'pkg-config')
957 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
958 # it passes function pointers within libslirp as callbacks for timers.
959 # When using a system-wide shared libslirp, the type information for the
960 # callback is missing and the timer call produces a false positive with CFI.
961 # Do not use the "version" keyword argument to produce a better error.
962 # with control-flow integrity.
963 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
964 if get_option('slirp').enabled()
965 error('Control-Flow Integrity requires libslirp 4.7.')
967 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
974 if not get_option('vde').auto() or have_system or have_tools
975 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
976 required: get_option('vde'))
978 if vde.found() and not cc.links('''
979 #include <libvdeplug.h>
982 struct vde_open_args a = {0, 0, 0};
986 }''', dependencies: vde)
988 if get_option('cap_ng').enabled()
989 error('could not link libvdeplug')
991 warning('could not link libvdeplug, disabling')
996 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
997 pulse = dependency('libpulse', required: get_option('pa'),
998 method: 'pkg-config')
1001 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1002 alsa = dependency('alsa', required: get_option('alsa'),
1003 method: 'pkg-config')
1006 if not get_option('jack').auto() or have_system
1007 jack = dependency('jack', required: get_option('jack'),
1008 method: 'pkg-config')
1010 pipewire = not_found
1011 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1012 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1013 required: get_option('pipewire'),
1014 method: 'pkg-config')
1017 if not get_option('sndio').auto() or have_system
1018 sndio = dependency('sndio', required: get_option('sndio'),
1019 method: 'pkg-config')
1022 spice_protocol = not_found
1023 if not get_option('spice_protocol').auto() or have_system
1024 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1025 required: get_option('spice_protocol'),
1026 method: 'pkg-config')
1029 if not get_option('spice').auto() or have_system
1030 spice = dependency('spice-server', version: '>=0.14.0',
1031 required: get_option('spice'),
1032 method: 'pkg-config')
1034 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1036 rt = cc.find_library('rt', required: false)
1038 libiscsi = not_found
1039 if not get_option('libiscsi').auto() or have_block
1040 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1041 required: get_option('libiscsi'),
1042 method: 'pkg-config')
1045 if not get_option('zstd').auto() or have_block
1046 zstd = dependency('libzstd', version: '>=1.4.0',
1047 required: get_option('zstd'),
1048 method: 'pkg-config')
1052 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1053 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1054 virgl = dependency('virglrenderer',
1055 method: 'pkg-config',
1056 required: get_option('virglrenderer'))
1058 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1059 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1060 prefix: '#include <virglrenderer.h>',
1061 dependencies: virgl))
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 not get_option('libssh').auto() or have_block
1337 libssh = dependency('libssh', version: '>=0.8.7',
1338 method: 'pkg-config',
1339 required: get_option('libssh'))
1342 libbzip2 = not_found
1343 if not get_option('bzip2').auto() or have_block
1344 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1345 required: get_option('bzip2'))
1346 if libbzip2.found() and not cc.links('''
1348 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1349 libbzip2 = not_found
1350 if get_option('bzip2').enabled()
1351 error('could not link libbzip2')
1353 warning('could not link libbzip2, disabling')
1358 liblzfse = not_found
1359 if not get_option('lzfse').auto() or have_block
1360 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1361 required: get_option('lzfse'))
1363 if liblzfse.found() and not cc.links('''
1365 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1366 liblzfse = not_found
1367 if get_option('lzfse').enabled()
1368 error('could not link liblzfse')
1370 warning('could not link liblzfse, disabling')
1375 if get_option('oss').allowed() and have_system
1376 if not cc.has_header('sys/soundcard.h')
1378 elif targetos == 'netbsd'
1379 oss = cc.find_library('ossaudio', required: get_option('oss'))
1381 oss = declare_dependency()
1385 if get_option('oss').enabled()
1386 error('OSS not found')
1391 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1392 if cc.has_header('dsound.h')
1393 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1396 if not dsound.found()
1397 if get_option('dsound').enabled()
1398 error('DirectSound not found')
1403 coreaudio = not_found
1404 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1405 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1406 required: get_option('coreaudio'))
1410 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1411 epoxy = dependency('epoxy', method: 'pkg-config',
1412 required: get_option('opengl'))
1413 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1415 elif get_option('opengl').enabled()
1416 error('epoxy/egl.h not found')
1420 if (have_system or have_tools) and (virgl.found() or opengl.found())
1421 gbm = dependency('gbm', method: 'pkg-config', required: false)
1423 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1426 gnutls_crypto = not_found
1427 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1428 # For general TLS support our min gnutls matches
1429 # that implied by our platform support matrix
1431 # For the crypto backends, we look for a newer
1434 # Version 3.6.8 is needed to get XTS
1435 # Version 3.6.13 is needed to get PBKDF
1436 # Version 3.6.14 is needed to get HW accelerated XTS
1438 # If newer enough gnutls isn't available, we can
1439 # still use a different crypto backend to satisfy
1440 # the platform support requirements
1441 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1442 method: 'pkg-config',
1444 if gnutls_crypto.found()
1445 gnutls = gnutls_crypto
1447 # Our min version if all we need is TLS
1448 gnutls = dependency('gnutls', version: '>=3.5.18',
1449 method: 'pkg-config',
1450 required: get_option('gnutls'))
1454 # We prefer use of gnutls for crypto, unless the options
1455 # explicitly asked for nettle or gcrypt.
1457 # If gnutls isn't available for crypto, then we'll prefer
1458 # gcrypt over nettle for performance reasons.
1464 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1465 error('Only one of gcrypt & nettle can be enabled')
1468 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1469 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1470 gnutls_crypto = not_found
1473 if not gnutls_crypto.found()
1474 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1475 gcrypt = dependency('libgcrypt', version: '>=1.8',
1476 method: 'config-tool',
1477 required: get_option('gcrypt'))
1478 # Debian has removed -lgpg-error from libgcrypt-config
1479 # as it "spreads unnecessary dependencies" which in
1480 # turn breaks static builds...
1481 if gcrypt.found() and get_option('prefer_static')
1482 gcrypt = declare_dependency(dependencies:
1484 cc.find_library('gpg-error', required: true)],
1485 version: gcrypt.version())
1488 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1489 nettle = dependency('nettle', version: '>=3.4',
1490 method: 'pkg-config',
1491 required: get_option('nettle'))
1492 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1498 gmp = dependency('gmp', required: false, method: 'pkg-config')
1499 if nettle.found() and gmp.found()
1500 hogweed = dependency('hogweed', version: '>=3.4',
1501 method: 'pkg-config',
1502 required: get_option('nettle'))
1509 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1511 if not get_option('gtk').auto() or have_system
1512 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1513 method: 'pkg-config',
1514 required: get_option('gtk'))
1516 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1517 method: 'pkg-config',
1519 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1520 version: gtk.version())
1522 if not get_option('vte').auto() or have_system
1523 vte = dependency('vte-2.91',
1524 method: 'pkg-config',
1525 required: get_option('vte'))
1527 elif have_gtk_clipboard
1528 error('GTK clipboard requested, but GTK not found')
1534 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1537 if get_option('png').allowed() and have_system
1538 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1539 method: 'pkg-config')
1544 if get_option('vnc').allowed() and have_system
1545 vnc = declare_dependency() # dummy dependency
1546 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1547 method: 'pkg-config')
1548 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1549 required: get_option('vnc_sasl'))
1551 sasl = declare_dependency(dependencies: sasl,
1552 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1557 if not get_option('auth_pam').auto() or have_system
1558 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1559 required: get_option('auth_pam'))
1561 if pam.found() and not cc.links('''
1563 #include <security/pam_appl.h>
1565 const char *service_name = "qemu";
1566 const char *user = "frank";
1567 const struct pam_conv pam_conv = { 0 };
1568 pam_handle_t *pamh = NULL;
1569 pam_start(service_name, user, &pam_conv, &pamh);
1571 }''', dependencies: pam)
1573 if get_option('auth_pam').enabled()
1574 error('could not link libpam')
1576 warning('could not link libpam, disabling')
1581 if not get_option('snappy').auto() or have_system
1582 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1583 required: get_option('snappy'))
1585 if snappy.found() and not cc.links('''
1586 #include <snappy-c.h>
1587 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1589 if get_option('snappy').enabled()
1590 error('could not link libsnappy')
1592 warning('could not link libsnappy, disabling')
1597 if not get_option('lzo').auto() or have_system
1598 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1599 required: get_option('lzo'))
1601 if lzo.found() and not cc.links('''
1602 #include <lzo/lzo1x.h>
1603 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1605 if get_option('lzo').enabled()
1606 error('could not link liblzo2')
1608 warning('could not link liblzo2, disabling')
1613 if not get_option('numa').auto() or have_system or have_tools
1614 numa = cc.find_library('numa', has_headers: ['numa.h'],
1615 required: get_option('numa'))
1617 if numa.found() and not cc.links('''
1619 int main(void) { return numa_available(); }
1620 ''', dependencies: numa)
1622 if get_option('numa').enabled()
1623 error('could not link numa')
1625 warning('could not link numa, disabling')
1630 if not get_option('rdma').auto() or have_system
1631 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1632 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1633 required: get_option('rdma')),
1634 cc.find_library('ibverbs', required: get_option('rdma')),
1636 rdma = declare_dependency(dependencies: rdma_libs)
1637 foreach lib: rdma_libs
1645 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1646 xencontrol = dependency('xencontrol', required: false,
1647 method: 'pkg-config')
1648 if xencontrol.found()
1649 xen_pc = declare_dependency(version: xencontrol.version(),
1652 # disabler: true makes xen_pc.found() return false if any is not found
1653 dependency('xenstore', required: false,
1654 method: 'pkg-config',
1656 dependency('xenforeignmemory', required: false,
1657 method: 'pkg-config',
1659 dependency('xengnttab', required: false,
1660 method: 'pkg-config',
1662 dependency('xenevtchn', required: false,
1663 method: 'pkg-config',
1665 dependency('xendevicemodel', required: false,
1666 method: 'pkg-config',
1668 # optional, no "disabler: true"
1669 dependency('xentoolcore', required: false,
1670 method: 'pkg-config')])
1676 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1678 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1679 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1680 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1681 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1682 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1685 foreach ver: xen_tests
1686 # cache the various library tests to avoid polluting the logs
1688 foreach l: xen_libs[ver]
1689 if l not in xen_deps
1690 xen_deps += { l: cc.find_library(l, required: false) }
1692 xen_test_deps += xen_deps[l]
1695 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1696 xen_version = ver.split('.')
1697 xen_ctrl_version = xen_version[0] + \
1698 ('0' + xen_version[1]).substring(-2) + \
1699 ('0' + xen_version[2]).substring(-2)
1700 if cc.links(files('scripts/xen-detect.c'),
1701 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1702 dependencies: xen_test_deps)
1703 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1709 accelerators += 'CONFIG_XEN'
1710 elif get_option('xen').enabled()
1711 error('could not compile and link Xen test program')
1714 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1715 .require(xen.found(),
1716 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1717 .require(targetos == 'linux',
1718 error_message: 'Xen PCI passthrough not available on this platform') \
1719 .require(cpu == 'x86' or cpu == 'x86_64',
1720 error_message: 'Xen PCI passthrough not available on this platform') \
1725 if not get_option('smartcard').auto() or have_system
1726 cacard = dependency('libcacard', required: get_option('smartcard'),
1727 version: '>=2.5.1', method: 'pkg-config')
1731 u2f = dependency('u2f-emu', required: get_option('u2f'),
1732 method: 'pkg-config')
1736 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1737 method: 'pkg-config')
1739 usbredir = not_found
1740 if not get_option('usb_redir').auto() or have_system
1741 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1742 version: '>=0.6', method: 'pkg-config')
1745 if not get_option('libusb').auto() or have_system
1746 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1747 version: '>=1.0.13', method: 'pkg-config')
1751 if not get_option('libpmem').auto() or have_system
1752 libpmem = dependency('libpmem', required: get_option('libpmem'),
1753 method: 'pkg-config')
1755 libdaxctl = not_found
1756 if not get_option('libdaxctl').auto() or have_system
1757 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1758 version: '>=57', method: 'pkg-config')
1762 tasn1 = dependency('libtasn1',
1763 method: 'pkg-config')
1765 keyutils = not_found
1766 if not get_option('libkeyutils').auto() or have_block
1767 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1768 method: 'pkg-config')
1771 has_gettid = cc.has_function('gettid')
1774 selinux = dependency('libselinux',
1775 required: get_option('selinux'),
1776 method: 'pkg-config')
1781 if get_option('malloc') == 'system'
1783 get_option('malloc_trim').allowed() and \
1784 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1786 has_malloc_trim = false
1787 malloc = cc.find_library(get_option('malloc'), required: true)
1789 if not has_malloc_trim and get_option('malloc_trim').enabled()
1790 if get_option('malloc') == 'system'
1791 error('malloc_trim not available on this platform.')
1793 error('malloc_trim not available with non-libc memory allocator')
1797 gnu_source_prefix = '''
1803 # Check whether the glibc provides STATX_BASIC_STATS
1805 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1807 # Check whether statx() provides mount ID information
1809 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1811 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1812 .require(targetos == 'linux',
1813 error_message: 'vhost_user_blk_server requires linux') \
1814 .require(have_vhost_user,
1815 error_message: 'vhost_user_blk_server requires vhost-user support') \
1816 .disable_auto_if(not have_tools and not have_system) \
1819 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1820 error('Cannot enable fuse-lseek while fuse is disabled')
1823 fuse = dependency('fuse3', required: get_option('fuse'),
1824 version: '>=3.1', method: 'pkg-config')
1826 fuse_lseek = not_found
1827 if get_option('fuse_lseek').allowed()
1828 if fuse.version().version_compare('>=3.8')
1830 fuse_lseek = declare_dependency()
1831 elif get_option('fuse_lseek').enabled()
1833 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1835 error('fuse-lseek requires libfuse, which was not found')
1840 have_libvduse = (targetos == 'linux')
1841 if get_option('libvduse').enabled()
1842 if targetos != 'linux'
1843 error('libvduse requires linux')
1845 elif get_option('libvduse').disabled()
1846 have_libvduse = false
1849 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1850 if get_option('vduse_blk_export').enabled()
1851 if targetos != 'linux'
1852 error('vduse_blk_export requires linux')
1853 elif not have_libvduse
1854 error('vduse_blk_export requires libvduse support')
1856 elif get_option('vduse_blk_export').disabled()
1857 have_vduse_blk_export = false
1861 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1862 if libbpf.found() and not cc.links('''
1863 #include <bpf/libbpf.h>
1866 bpf_object__destroy_skeleton(NULL);
1868 }''', dependencies: libbpf)
1870 if get_option('bpf').enabled()
1871 error('libbpf skeleton test failed')
1873 warning('libbpf skeleton test failed, disabling')
1879 if not get_option('af_xdp').auto() or have_system
1880 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1881 version: '>=1.4.0', method: 'pkg-config')
1886 if not get_option('libdw').auto() or \
1887 (not get_option('prefer_static') and (have_system or have_user))
1888 libdw = dependency('libdw',
1889 method: 'pkg-config',
1890 required: get_option('libdw'))
1897 audio_drivers_selected = []
1899 audio_drivers_available = {
1900 'alsa': alsa.found(),
1901 'coreaudio': coreaudio.found(),
1902 'dsound': dsound.found(),
1903 'jack': jack.found(),
1905 'pa': pulse.found(),
1906 'pipewire': pipewire.found(),
1908 'sndio': sndio.found(),
1910 foreach k, v: audio_drivers_available
1911 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1914 # Default to native drivers first, OSS second, SDL third
1915 audio_drivers_priority = \
1916 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1917 (targetos == 'linux' ? [] : [ 'sdl' ])
1918 audio_drivers_default = []
1919 foreach k: audio_drivers_priority
1920 if audio_drivers_available[k]
1921 audio_drivers_default += k
1925 foreach k: get_option('audio_drv_list')
1927 audio_drivers_selected += audio_drivers_default
1928 elif not audio_drivers_available[k]
1929 error('Audio driver "@0@" not available.'.format(k))
1931 audio_drivers_selected += k
1935 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1936 '"' + '", "'.join(audio_drivers_selected) + '", ')
1938 if get_option('cfi')
1940 # Check for dependency on LTO
1941 if not get_option('b_lto')
1942 error('Selected Control-Flow Integrity but LTO is disabled')
1945 error('Selected Control-Flow Integrity is not compatible with modules')
1947 # Check for cfi flags. CFI requires LTO so we can't use
1948 # get_supported_arguments, but need a more complex "compiles" which allows
1950 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1951 args: ['-flto', '-fsanitize=cfi-icall'] )
1952 cfi_flags += '-fsanitize=cfi-icall'
1954 error('-fsanitize=cfi-icall is not supported by the compiler')
1956 if cc.compiles('int main () { return 0; }',
1957 name: '-fsanitize-cfi-icall-generalize-pointers',
1958 args: ['-flto', '-fsanitize=cfi-icall',
1959 '-fsanitize-cfi-icall-generalize-pointers'] )
1960 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1962 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1964 if get_option('cfi_debug')
1965 if cc.compiles('int main () { return 0; }',
1966 name: '-fno-sanitize-trap=cfi-icall',
1967 args: ['-flto', '-fsanitize=cfi-icall',
1968 '-fno-sanitize-trap=cfi-icall'] )
1969 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1971 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1974 add_global_arguments(cfi_flags, native: false, language: all_languages)
1975 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1978 have_host_block_device = (targetos != 'darwin' or
1979 cc.has_header('IOKit/storage/IOMedia.h'))
1981 dbus_display = get_option('dbus_display') \
1982 .require(gio.version().version_compare('>=2.64'),
1983 error_message: '-display dbus requires glib>=2.64') \
1984 .require(gdbus_codegen.found(),
1985 error_message: gdbus_codegen_error.format('-display dbus')) \
1988 have_virtfs = get_option('virtfs') \
1989 .require(targetos == 'linux' or targetos == 'darwin',
1990 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1991 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1992 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1993 .require(targetos == 'darwin' or libattr.found(),
1994 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1995 .disable_auto_if(not have_tools and not have_system) \
1998 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1999 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2000 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2001 .disable_auto_if(not have_tools) \
2002 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2005 if get_option('block_drv_ro_whitelist') == ''
2006 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2008 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2009 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2011 if get_option('block_drv_rw_whitelist') == ''
2012 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2014 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2015 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2018 foreach k : get_option('trace_backends')
2019 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2021 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2022 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2024 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2026 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2027 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2028 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2029 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2030 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2032 qemu_firmwarepath = ''
2033 foreach k : get_option('qemu_firmwarepath')
2034 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2036 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2038 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2039 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2040 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2041 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2042 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2043 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2046 config_host_data.set('CONFIG_STAMP', run_command(
2047 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2048 meson.project_version(), get_option('pkgversion'), '--',
2049 meson.current_source_dir() / 'configure',
2050 capture: true, check: true).stdout().strip())
2053 have_slirp_smbd = get_option('slirp_smbd') \
2054 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2057 smbd_path = get_option('smbd')
2059 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2061 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2064 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2066 if get_option('module_upgrades') and not enable_modules
2067 error('Cannot enable module-upgrades as modules are not enabled')
2069 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2071 config_host_data.set('CONFIG_ATTR', libattr.found())
2072 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2073 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2074 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2075 config_host_data.set('CONFIG_COCOA', cocoa.found())
2076 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2077 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2078 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2079 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2080 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2081 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2082 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2083 config_host_data.set('CONFIG_LZO', lzo.found())
2084 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2085 config_host_data.set('CONFIG_BLKIO', blkio.found())
2087 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2088 blkio.version().version_compare('>=1.3.0'))
2090 config_host_data.set('CONFIG_CURL', curl.found())
2091 config_host_data.set('CONFIG_CURSES', curses.found())
2092 config_host_data.set('CONFIG_GBM', gbm.found())
2093 config_host_data.set('CONFIG_GIO', gio.found())
2094 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2095 if glusterfs.found()
2096 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2097 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2098 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2099 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2100 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2101 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2103 config_host_data.set('CONFIG_GTK', gtk.found())
2104 config_host_data.set('CONFIG_VTE', vte.found())
2105 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2106 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2107 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2108 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2109 config_host_data.set('CONFIG_EBPF', libbpf.found())
2110 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2111 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2112 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2113 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2114 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2115 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2116 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2117 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2118 config_host_data.set('CONFIG_MODULES', enable_modules)
2119 config_host_data.set('CONFIG_NUMA', numa.found())
2121 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2122 cc.has_function('numa_has_preferred_many',
2123 dependencies: numa))
2125 config_host_data.set('CONFIG_OPENGL', opengl.found())
2126 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2127 config_host_data.set('CONFIG_RBD', rbd.found())
2128 config_host_data.set('CONFIG_RDMA', rdma.found())
2129 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2130 config_host_data.set('CONFIG_SDL', sdl.found())
2131 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2132 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2134 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2136 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2137 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2138 if get_option('tcg').allowed()
2139 config_host_data.set('CONFIG_TCG', 1)
2140 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2142 config_host_data.set('CONFIG_TPM', have_tpm)
2143 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2144 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2145 config_host_data.set('CONFIG_VDE', vde.found())
2146 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2147 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2148 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2149 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2150 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2151 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2152 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2153 config_host_data.set('CONFIG_VMNET', vmnet.found())
2154 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2155 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2156 config_host_data.set('CONFIG_PNG', png.found())
2157 config_host_data.set('CONFIG_VNC', vnc.found())
2158 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2159 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2160 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2161 config_host_data.set('CONFIG_VTE', vte.found())
2162 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2163 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2164 config_host_data.set('CONFIG_GETTID', has_gettid)
2165 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2166 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2167 config_host_data.set('CONFIG_TASN1', tasn1.found())
2168 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2169 config_host_data.set('CONFIG_NETTLE', nettle.found())
2170 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2171 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2172 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2173 config_host_data.set('CONFIG_STATX', has_statx)
2174 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2175 config_host_data.set('CONFIG_ZSTD', zstd.found())
2176 config_host_data.set('CONFIG_FUSE', fuse.found())
2177 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2178 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2179 if spice_protocol.found()
2180 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2181 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2182 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2184 config_host_data.set('CONFIG_SPICE', spice.found())
2185 config_host_data.set('CONFIG_X11', x11.found())
2186 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2187 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2188 config_host_data.set('CONFIG_SELINUX', selinux.found())
2189 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2190 config_host_data.set('CONFIG_LIBDW', libdw.found())
2192 # protect from xen.version() having less than three components
2193 xen_version = xen.version().split('.') + ['0', '0']
2194 xen_ctrl_version = xen_version[0] + \
2195 ('0' + xen_version[1]).substring(-2) + \
2196 ('0' + xen_version[2]).substring(-2)
2197 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2199 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2200 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2201 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2202 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2204 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2205 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2207 have_coroutine_pool = get_option('coroutine_pool')
2208 if get_option('debug_stack_usage') and have_coroutine_pool
2209 message('Disabling coroutine pool to measure stack usage')
2210 have_coroutine_pool = false
2212 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2213 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2214 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2215 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2216 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2217 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2218 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2219 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2220 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2223 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2224 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2225 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2226 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2227 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2228 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2229 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2230 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2231 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2232 if targetos == 'windows'
2233 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2237 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2238 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2239 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2240 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2241 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2242 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2243 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2244 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2245 # Note that we need to specify prefix: here to avoid incorrectly
2246 # thinking that Windows has posix_memalign()
2247 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2248 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2249 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2250 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2251 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2252 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2253 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2254 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2255 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2256 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2257 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2258 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2259 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2260 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2261 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2262 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2263 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2264 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2266 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2267 cc.has_function('rbd_namespace_exists',
2269 prefix: '#include <rbd/librbd.h>'))
2272 config_host_data.set('HAVE_IBV_ADVISE_MR',
2273 cc.has_function('ibv_advise_mr',
2275 prefix: '#include <infiniband/verbs.h>'))
2278 have_asan_fiber = false
2279 if get_option('sanitizers') and \
2280 not cc.has_function('__sanitizer_start_switch_fiber',
2281 args: '-fsanitize=address',
2282 prefix: '#include <sanitizer/asan_interface.h>')
2283 warning('Missing ASAN due to missing fiber annotation interface')
2284 warning('Without code annotation, the report may be inferior.')
2286 have_asan_fiber = true
2288 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2291 config_host_data.set('CONFIG_BLKZONED',
2292 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2293 config_host_data.set('CONFIG_EPOLL_CREATE1',
2294 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2295 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2296 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2297 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2298 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2299 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2300 config_host_data.set('CONFIG_FIEMAP',
2301 cc.has_header('linux/fiemap.h') and
2302 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2303 config_host_data.set('CONFIG_GETRANDOM',
2304 cc.has_function('getrandom') and
2305 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2306 config_host_data.set('CONFIG_INOTIFY',
2307 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2308 config_host_data.set('CONFIG_INOTIFY1',
2309 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2310 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2311 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2312 config_host_data.set('CONFIG_RTNETLINK',
2313 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2314 config_host_data.set('CONFIG_SYSMACROS',
2315 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2316 config_host_data.set('HAVE_OPTRESET',
2317 cc.has_header_symbol('getopt.h', 'optreset'))
2318 config_host_data.set('HAVE_IPPROTO_MPTCP',
2319 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2322 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2323 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2324 prefix: '#include <signal.h>'))
2325 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2326 cc.has_member('struct stat', 'st_atim',
2327 prefix: '#include <sys/stat.h>'))
2328 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2329 cc.has_member('struct blk_zone', 'capacity',
2330 prefix: '#include <linux/blkzoned.h>'))
2333 config_host_data.set('CONFIG_IOVEC',
2334 cc.has_type('struct iovec',
2335 prefix: '#include <sys/uio.h>'))
2336 config_host_data.set('HAVE_UTMPX',
2337 cc.has_type('struct utmpx',
2338 prefix: '#include <utmpx.h>'))
2340 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2341 #include <sys/eventfd.h>
2342 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2343 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2346 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2347 return fdatasync(0);
2349 #error Not supported
2353 has_madvise = cc.links(gnu_source_prefix + '''
2354 #include <sys/types.h>
2355 #include <sys/mman.h>
2357 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2358 missing_madvise_proto = false
2360 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2361 # but forget to prototype it. In this case, has_madvise will be true (the
2362 # test program links despite a compile warning). To detect the
2363 # missing-prototype case, we try again with a definitely-bogus prototype.
2364 # This will only compile if the system headers don't provide the prototype;
2365 # otherwise the conflicting prototypes will cause a compiler error.
2366 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2367 #include <sys/types.h>
2368 #include <sys/mman.h>
2370 extern int madvise(int);
2371 int main(void) { return madvise(0); }''')
2373 config_host_data.set('CONFIG_MADVISE', has_madvise)
2374 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2376 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2377 #include <sys/mman.h>
2378 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2379 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2381 #if !defined(AT_EMPTY_PATH)
2382 # error missing definition
2384 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2386 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2387 #include <sys/mman.h>
2389 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2391 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2392 #include <pthread.h>
2394 static void *f(void *p) { return NULL; }
2398 pthread_create(&thread, 0, f, 0);
2399 pthread_setname_np(thread, "QEMU");
2401 }''', dependencies: threads))
2402 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2403 #include <pthread.h>
2405 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2409 pthread_create(&thread, 0, f, 0);
2411 }''', dependencies: threads))
2412 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2413 #include <pthread.h>
2414 #include <pthread_np.h>
2416 static void *f(void *p) { return NULL; }
2420 pthread_create(&thread, 0, f, 0);
2421 pthread_set_name_np(thread, "QEMU");
2423 }''', dependencies: threads))
2424 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2425 #include <pthread.h>
2430 pthread_condattr_t attr
2431 pthread_condattr_init(&attr);
2432 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2434 }''', dependencies: threads))
2435 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2436 #include <pthread.h>
2438 static void *f(void *p) { return NULL; }
2441 int setsize = CPU_ALLOC_SIZE(64);
2444 pthread_create(&thread, 0, f, 0);
2445 cpuset = CPU_ALLOC(64);
2446 CPU_ZERO_S(setsize, cpuset);
2447 pthread_setaffinity_np(thread, setsize, cpuset);
2448 pthread_getaffinity_np(thread, setsize, cpuset);
2451 }''', dependencies: threads))
2452 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2453 #include <sys/signalfd.h>
2455 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2456 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2464 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2465 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2469 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2470 #include <sys/mman.h>
2472 return mlockall(MCL_FUTURE);
2476 if get_option('l2tpv3').allowed() and have_system
2477 have_l2tpv3 = cc.has_type('struct mmsghdr',
2478 prefix: gnu_source_prefix + '''
2479 #include <sys/socket.h>
2480 #include <linux/ip.h>''')
2482 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2485 if get_option('netmap').allowed() and have_system
2486 have_netmap = cc.compiles('''
2487 #include <inttypes.h>
2489 #include <net/netmap.h>
2490 #include <net/netmap_user.h>
2491 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2494 int main(void) { return 0; }''')
2495 if not have_netmap and get_option('netmap').enabled()
2496 error('Netmap headers not available')
2499 config_host_data.set('CONFIG_NETMAP', have_netmap)
2501 # Work around a system header bug with some kernel/XFS header
2502 # versions where they both try to define 'struct fsxattr':
2503 # xfs headers will not try to redefine structs from linux headers
2504 # if this macro is set.
2505 config_host_data.set('HAVE_FSXATTR', cc.links('''
2506 #include <linux/fs.h>
2512 # Some versions of Mac OS X incorrectly define SIZE_MAX
2513 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2517 return printf("%zu", SIZE_MAX);
2518 }''', args: ['-Werror']))
2520 # See if 64-bit atomic operations are supported.
2521 # Note that without __atomic builtins, we can only
2522 # assume atomic loads/stores max at pointer size.
2523 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2527 uint64_t x = 0, y = 0;
2528 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2529 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2530 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2531 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2532 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2536 has_int128_type = cc.compiles('''
2539 int main(void) { b = a; }''')
2540 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2542 has_int128 = has_int128_type and cc.links('''
2551 config_host_data.set('CONFIG_INT128', has_int128)
2554 # "do we have 128-bit atomics which are handled inline and specifically not
2555 # via libatomic". The reason we can't use libatomic is documented in the
2556 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2557 # We only care about these operations on 16-byte aligned pointers, so
2558 # force 16-byte alignment of the pointer, which may be greater than
2559 # __alignof(unsigned __int128) for the host.
2560 atomic_test_128 = '''
2561 int main(int ac, char **av) {
2562 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2563 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2564 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2565 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2568 has_atomic128 = cc.links(atomic_test_128)
2570 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2572 if not has_atomic128
2573 # Even with __builtin_assume_aligned, the above test may have failed
2574 # without optimization enabled. Try again with optimizations locally
2575 # enabled for the function. See
2576 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2577 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2578 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2580 if not has_atomic128_opt
2581 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2584 __uint128_t x = 0, y = 0;
2585 __sync_val_compare_and_swap_16(&x, y, x);
2593 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2594 #include <sys/auxv.h>
2596 return getauxval(AT_HWCAP) == 0;
2599 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2600 #include <linux/usbdevice_fs.h>
2602 #ifndef USBDEVFS_GET_CAPABILITIES
2603 #error "USBDEVFS_GET_CAPABILITIES undefined"
2606 #ifndef USBDEVFS_DISCONNECT_CLAIM
2607 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2610 int main(void) { return 0; }'''))
2612 have_keyring = get_option('keyring') \
2613 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2614 .require(cc.compiles('''
2616 #include <asm/unistd.h>
2617 #include <linux/keyctl.h>
2618 #include <sys/syscall.h>
2621 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2622 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2623 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2625 have_cpuid_h = cc.links('''
2628 unsigned a, b, c, d;
2629 unsigned max = __get_cpuid_max(0, 0);
2632 __cpuid(1, a, b, c, d);
2636 __cpuid_count(7, 0, a, b, c, d);
2641 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2643 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2644 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2645 .require(cc.links('''
2647 #include <immintrin.h>
2648 static int __attribute__((target("avx2"))) bar(void *a) {
2649 __m256i x = *(__m256i *)a;
2650 return _mm256_testz_si256(x, x);
2652 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2653 '''), error_message: 'AVX2 not available').allowed())
2655 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2656 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2657 .require(cc.links('''
2659 #include <immintrin.h>
2660 static int __attribute__((target("avx512f"))) bar(void *a) {
2661 __m512i x = *(__m512i *)a;
2662 return _mm512_test_epi64_mask(x, x);
2664 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2665 '''), error_message: 'AVX512F not available').allowed())
2667 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2668 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2669 .require(cc.links('''
2671 #include <immintrin.h>
2672 static int __attribute__((target("avx512bw"))) bar(void *a) {
2674 __m512i res= _mm512_abs_epi8(*x);
2677 int main(int argc, char *argv[]) { return bar(argv[0]); }
2678 '''), error_message: 'AVX512BW not available').allowed())
2680 # For both AArch64 and AArch32, detect if builtins are available.
2681 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2682 #include <arm_neon.h>
2683 #ifndef __ARM_FEATURE_AES
2684 __attribute__((target("+crypto")))
2686 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2689 have_pvrdma = get_option('pvrdma') \
2690 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2691 .require(cc.compiles(gnu_source_prefix + '''
2692 #include <sys/mman.h>
2697 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2700 }'''), error_message: 'PVRDMA requires mremap').allowed()
2703 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2704 #include <infiniband/verbs.h>
2708 struct ibv_pd *pd = NULL;
2714 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2720 if get_option('membarrier').disabled()
2721 have_membarrier = false
2722 elif targetos == 'windows'
2723 have_membarrier = true
2724 elif targetos == 'linux'
2725 have_membarrier = cc.compiles('''
2726 #include <linux/membarrier.h>
2727 #include <sys/syscall.h>
2731 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2732 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2736 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2737 .require(have_membarrier, error_message: 'membarrier system call not available') \
2740 have_afalg = get_option('crypto_afalg') \
2741 .require(cc.compiles(gnu_source_prefix + '''
2743 #include <sys/types.h>
2744 #include <sys/socket.h>
2745 #include <linux/if_alg.h>
2748 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2751 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2752 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2754 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2755 'linux/vm_sockets.h', 'AF_VSOCK',
2756 prefix: '#include <sys/socket.h>',
2760 have_vss_sdk = false # old xp/2003 SDK
2761 if targetos == 'windows' and 'cpp' in all_languages
2762 have_vss = cxx.compiles('''
2763 #define __MIDL_user_allocate_free_DEFINED__
2765 int main(void) { return VSS_CTX_BACKUP; }''')
2766 have_vss_sdk = cxx.has_header('vscoordint.h')
2768 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2770 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2771 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2772 if targetos == 'windows'
2773 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2779 }''', name: '_lock_file and _unlock_file'))
2782 if targetos == 'windows'
2783 mingw_has_setjmp_longjmp = cc.links('''
2787 * These functions are not available in setjmp header, but may be
2788 * available at link time, from libmingwex.a.
2790 extern int __mingw_setjmp(jmp_buf);
2791 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2793 __mingw_setjmp(env);
2794 __mingw_longjmp(env, 0);
2796 ''', name: 'mingw setjmp and longjmp')
2798 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2799 error('mingw must provide setjmp/longjmp for windows-arm64')
2803 ########################
2804 # Target configuration #
2805 ########################
2807 minikconf = find_program('scripts/minikconf.py')
2809 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2811 if targetos == 'darwin'
2812 config_targetos += {'CONFIG_DARWIN': 'y'}
2813 elif targetos == 'linux'
2814 config_targetos += {'CONFIG_LINUX': 'y'}
2816 if targetos in bsd_oses
2817 config_targetos += {'CONFIG_BSD': 'y'}
2821 config_all_devices = {}
2822 config_all_disas = {}
2823 config_devices_mak_list = []
2824 config_devices_h = {}
2825 config_target_h = {}
2826 config_target_mak = {}
2829 'alpha' : ['CONFIG_ALPHA_DIS'],
2830 'avr' : ['CONFIG_AVR_DIS'],
2831 'cris' : ['CONFIG_CRIS_DIS'],
2832 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2833 'hppa' : ['CONFIG_HPPA_DIS'],
2834 'i386' : ['CONFIG_I386_DIS'],
2835 'x86_64' : ['CONFIG_I386_DIS'],
2836 'm68k' : ['CONFIG_M68K_DIS'],
2837 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2838 'mips' : ['CONFIG_MIPS_DIS'],
2839 'nios2' : ['CONFIG_NIOS2_DIS'],
2840 'or1k' : ['CONFIG_OPENRISC_DIS'],
2841 'ppc' : ['CONFIG_PPC_DIS'],
2842 'riscv' : ['CONFIG_RISCV_DIS'],
2843 'rx' : ['CONFIG_RX_DIS'],
2844 's390' : ['CONFIG_S390_DIS'],
2845 'sh4' : ['CONFIG_SH4_DIS'],
2846 'sparc' : ['CONFIG_SPARC_DIS'],
2847 'xtensa' : ['CONFIG_XTENSA_DIS'],
2848 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2851 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2853 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2854 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2855 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2856 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2857 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2858 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2859 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2860 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2861 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2862 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2863 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2864 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2865 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2866 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2868 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2870 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2871 actual_target_dirs = []
2873 foreach target : target_dirs
2874 config_target = { 'TARGET_NAME': target.split('-')[0] }
2875 if target.endswith('linux-user')
2876 if targetos != 'linux'
2880 error('Target @0@ is only available on a Linux host'.format(target))
2882 config_target += { 'CONFIG_LINUX_USER': 'y' }
2883 elif target.endswith('bsd-user')
2884 if targetos not in bsd_oses
2888 error('Target @0@ is only available on a BSD host'.format(target))
2890 config_target += { 'CONFIG_BSD_USER': 'y' }
2891 elif target.endswith('softmmu')
2892 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2893 config_target += { 'CONFIG_SOFTMMU': 'y' }
2895 if target.endswith('-user')
2897 'CONFIG_USER_ONLY': 'y',
2898 'CONFIG_QEMU_INTERP_PREFIX':
2899 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2904 foreach sym: accelerators
2905 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2906 config_target += { sym: 'y' }
2907 config_all += { sym: 'y' }
2908 if target in modular_tcg
2909 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2911 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2913 accel_kconfig += [ sym + '=y' ]
2916 if accel_kconfig.length() == 0
2920 error('No accelerator available for target @0@'.format(target))
2923 actual_target_dirs += target
2924 config_target += keyval.load('configs/targets' / target + '.mak')
2925 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2927 if 'TARGET_NEED_FDT' in config_target
2928 fdt_required += target
2932 if 'TARGET_BASE_ARCH' not in config_target
2933 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2935 if 'TARGET_ABI_DIR' not in config_target
2936 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2938 if 'TARGET_BIG_ENDIAN' not in config_target
2939 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2942 foreach k, v: disassemblers
2943 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2945 config_target += { sym: 'y' }
2946 config_all_disas += { sym: 'y' }
2951 config_target_data = configuration_data()
2952 foreach k, v: config_target
2953 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2955 elif ignored.contains(k)
2957 elif k == 'TARGET_BASE_ARCH'
2958 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2959 # not used to select files from sourcesets.
2960 config_target_data.set('TARGET_' + v.to_upper(), 1)
2961 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2962 config_target_data.set_quoted(k, v)
2964 config_target_data.set(k, 1)
2966 config_target_data.set(k, 0)
2968 config_target_data.set(k, v)
2971 config_target_data.set('QEMU_ARCH',
2972 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2973 config_target_h += {target: configure_file(output: target + '-config-target.h',
2974 configuration: config_target_data)}
2976 if target.endswith('-softmmu')
2977 config_input = meson.get_external_property(target, 'default')
2978 config_devices_mak = target + '-config-devices.mak'
2979 config_devices_mak = configure_file(
2980 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2981 output: config_devices_mak,
2982 depfile: config_devices_mak + '.d',
2984 command: [minikconf,
2985 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2986 config_devices_mak, '@DEPFILE@', '@INPUT@',
2987 host_kconfig, accel_kconfig,
2988 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2990 config_devices_data = configuration_data()
2991 config_devices = keyval.load(config_devices_mak)
2992 foreach k, v: config_devices
2993 config_devices_data.set(k, 1)
2995 config_devices_mak_list += config_devices_mak
2996 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2997 configuration: config_devices_data)}
2998 config_target += config_devices
2999 config_all_devices += config_devices
3001 config_target_mak += {target: config_target}
3003 target_dirs = actual_target_dirs
3005 # This configuration is used to build files that are shared by
3006 # multiple binaries, and then extracted out of the "common"
3007 # static_library target.
3009 # We do not use all_sources()/all_dependencies(), because it would
3010 # build literally all source files, including devices only used by
3011 # targets that are not built for this compilation. The CONFIG_ALL
3012 # pseudo symbol replaces it.
3014 config_all += config_all_devices
3015 config_all += config_targetos
3016 config_all += config_all_disas
3018 'CONFIG_XEN': xen.found(),
3019 'CONFIG_SYSTEM_ONLY': have_system,
3020 'CONFIG_USER_ONLY': have_user,
3024 target_configs_h = []
3025 foreach target: target_dirs
3026 target_configs_h += config_target_h[target]
3027 target_configs_h += config_devices_h.get(target, [])
3029 genh += custom_target('config-poison.h',
3030 input: [target_configs_h],
3031 output: 'config-poison.h',
3033 command: [find_program('scripts/make-config-poison.sh'),
3040 capstone = not_found
3041 if not get_option('capstone').auto() or have_system or have_user
3042 capstone = dependency('capstone', version: '>=3.0.5',
3043 method: 'pkg-config',
3044 required: get_option('capstone'))
3046 # Some versions of capstone have broken pkg-config file
3047 # that reports a wrong -I path, causing the #include to
3048 # fail later. If the system has such a broken version
3050 if capstone.found() and not cc.compiles('#include <capstone.h>',
3051 dependencies: [capstone])
3052 capstone = not_found
3053 if get_option('capstone').enabled()
3054 error('capstone requested, but it does not appear to work')
3059 libvfio_user_dep = not_found
3060 if have_system and vfio_user_server_allowed
3061 libvfio_user_proj = subproject('libvfio-user', required: true)
3062 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3066 fdt_opt = get_option('fdt')
3067 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3068 if fdt_opt == 'disabled'
3069 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3072 if fdt_opt in ['enabled', 'auto', 'system']
3073 if get_option('wrap_mode') == 'nodownload'
3076 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3077 if fdt.found() and cc.links('''
3079 #include <libfdt_env.h>
3080 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3083 elif fdt_opt == 'system'
3084 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3086 fdt_opt = 'internal'
3091 assert(fdt_opt == 'internal')
3092 libfdt_proj = subproject('dtc', required: true,
3093 default_options: ['tools=false', 'yaml=disabled',
3094 'python=disabled', 'default_library=static'])
3095 fdt = libfdt_proj.get_variable('libfdt_dep')
3098 fdt_opt = 'disabled'
3101 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3102 config_host_data.set('CONFIG_FDT', fdt.found())
3103 config_host_data.set('CONFIG_SLIRP', slirp.found())
3105 #####################
3106 # Generated sources #
3107 #####################
3109 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3111 hxtool = find_program('scripts/hxtool')
3112 shaderinclude = find_program('scripts/shaderinclude.py')
3113 qapi_gen = find_program('scripts/qapi-gen.py')
3114 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3115 meson.current_source_dir() / 'scripts/qapi/commands.py',
3116 meson.current_source_dir() / 'scripts/qapi/common.py',
3117 meson.current_source_dir() / 'scripts/qapi/error.py',
3118 meson.current_source_dir() / 'scripts/qapi/events.py',
3119 meson.current_source_dir() / 'scripts/qapi/expr.py',
3120 meson.current_source_dir() / 'scripts/qapi/gen.py',
3121 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3122 meson.current_source_dir() / 'scripts/qapi/main.py',
3123 meson.current_source_dir() / 'scripts/qapi/parser.py',
3124 meson.current_source_dir() / 'scripts/qapi/schema.py',
3125 meson.current_source_dir() / 'scripts/qapi/source.py',
3126 meson.current_source_dir() / 'scripts/qapi/types.py',
3127 meson.current_source_dir() / 'scripts/qapi/visit.py',
3128 meson.current_source_dir() / 'scripts/qapi-gen.py'
3132 python, files('scripts/tracetool.py'),
3133 '--backend=' + ','.join(get_option('trace_backends'))
3135 tracetool_depends = files(
3136 'scripts/tracetool/backend/log.py',
3137 'scripts/tracetool/backend/__init__.py',
3138 'scripts/tracetool/backend/dtrace.py',
3139 'scripts/tracetool/backend/ftrace.py',
3140 'scripts/tracetool/backend/simple.py',
3141 'scripts/tracetool/backend/syslog.py',
3142 'scripts/tracetool/backend/ust.py',
3143 'scripts/tracetool/format/ust_events_c.py',
3144 'scripts/tracetool/format/ust_events_h.py',
3145 'scripts/tracetool/format/__init__.py',
3146 'scripts/tracetool/format/d.py',
3147 'scripts/tracetool/format/simpletrace_stap.py',
3148 'scripts/tracetool/format/c.py',
3149 'scripts/tracetool/format/h.py',
3150 'scripts/tracetool/format/log_stap.py',
3151 'scripts/tracetool/format/stap.py',
3152 'scripts/tracetool/__init__.py',
3153 'scripts/tracetool/vcpu.py'
3156 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3157 meson.current_source_dir(),
3158 get_option('pkgversion'), meson.project_version()]
3159 qemu_version = custom_target('qemu-version.h',
3160 output: 'qemu-version.h',
3161 command: qemu_version_cmd,
3163 build_by_default: true,
3164 build_always_stale: true)
3165 genh += qemu_version
3169 ['qemu-options.hx', 'qemu-options.def'],
3170 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3174 ['hmp-commands.hx', 'hmp-commands.h'],
3175 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3178 foreach d : hx_headers
3179 hxdep += custom_target(d[1],
3183 command: [hxtool, '-h', '@INPUT0@'])
3191 authz_ss = ss.source_set()
3192 blockdev_ss = ss.source_set()
3193 block_ss = ss.source_set()
3194 chardev_ss = ss.source_set()
3195 common_ss = ss.source_set()
3196 crypto_ss = ss.source_set()
3197 hwcore_ss = ss.source_set()
3198 io_ss = ss.source_set()
3199 qmp_ss = ss.source_set()
3200 qom_ss = ss.source_set()
3201 system_ss = ss.source_set()
3202 specific_fuzz_ss = ss.source_set()
3203 specific_ss = ss.source_set()
3204 stub_ss = ss.source_set()
3205 trace_ss = ss.source_set()
3206 user_ss = ss.source_set()
3207 util_ss = ss.source_set()
3210 qtest_module_ss = ss.source_set()
3211 tcg_module_ss = ss.source_set()
3217 target_softmmu_arch = {}
3218 target_user_arch = {}
3224 # TODO: add each directory to the subdirs from its own meson.build, once
3226 trace_events_subdirs = [
3235 trace_events_subdirs += [ 'linux-user' ]
3238 trace_events_subdirs += [ 'bsd-user' ]
3241 trace_events_subdirs += [
3250 trace_events_subdirs += [
3264 'hw/block/dataplane',
3315 if have_system or have_user
3316 trace_events_subdirs += [
3334 vhost_user = not_found
3335 if targetos == 'linux' and have_vhost_user
3336 libvhost_user = subproject('libvhost-user')
3337 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3340 libvduse = not_found
3342 libvduse_proj = subproject('libvduse')
3343 libvduse = libvduse_proj.get_variable('libvduse_dep')
3346 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3347 # that is filled in by qapi/.
3361 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3362 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3365 qom_ss = qom_ss.apply(config_targetos, strict: false)
3366 libqom = static_library('qom', qom_ss.sources() + genh,
3367 dependencies: [qom_ss.dependencies()],
3369 build_by_default: false)
3370 qom = declare_dependency(link_whole: libqom)
3372 event_loop_base = files('event-loop-base.c')
3373 event_loop_base = static_library('event-loop-base',
3374 sources: event_loop_base + genh,
3376 build_by_default: false)
3377 event_loop_base = declare_dependency(link_whole: event_loop_base,
3378 dependencies: [qom])
3380 stub_ss = stub_ss.apply(config_all, strict: false)
3382 util_ss.add_all(trace_ss)
3383 util_ss = util_ss.apply(config_all, strict: false)
3384 libqemuutil = static_library('qemuutil',
3385 build_by_default: false,
3386 sources: util_ss.sources() + stub_ss.sources() + genh,
3387 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3388 qemuutil = declare_dependency(link_with: libqemuutil,
3389 sources: genh + version_res,
3390 dependencies: [event_loop_base])
3392 if have_system or have_user
3393 decodetree = generator(find_program('scripts/decodetree.py'),
3394 output: 'decode-@BASENAME@.c.inc',
3395 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3396 subdir('libdecnumber')
3413 if config_host_data.get('CONFIG_REPLICATION')
3414 block_ss.add(files('replication.c'))
3421 blockdev_ss.add(files(
3428 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3429 # os-win32.c does not
3430 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3431 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3434 common_ss.add(files('cpus-common.c'))
3435 specific_ss.add(files('cpu.c'))
3439 # Work around a gcc bug/misfeature wherein constant propagation looks
3441 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3442 # to guess that a const variable is always zero. Without lto, this is
3443 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3444 # without lto, not even the alias is required -- we simply use different
3445 # declarations in different compilation units.
3446 pagevary = files('page-vary-common.c')
3447 if get_option('b_lto')
3448 pagevary_flags = ['-fno-lto']
3449 if get_option('cfi')
3450 pagevary_flags += '-fno-sanitize=cfi-icall'
3452 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3453 c_args: pagevary_flags)
3454 pagevary = declare_dependency(link_with: pagevary)
3456 common_ss.add(pagevary)
3457 specific_ss.add(files('page-vary.c'))
3465 subdir('semihosting')
3473 common_user_inc = []
3475 subdir('common-user')
3477 subdir('linux-user')
3479 # needed for fuzzing binaries
3480 subdir('tests/qtest/libqos')
3481 subdir('tests/qtest/fuzz')
3484 tcg_real_module_ss = ss.source_set()
3485 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3486 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3487 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3488 'tcg': tcg_real_module_ss }}
3490 ########################
3491 # Library dependencies #
3492 ########################
3494 modinfo_collect = find_program('scripts/modinfo-collect.py')
3495 modinfo_generate = find_program('scripts/modinfo-generate.py')
3500 foreach d, list : modules
3501 if not (d == 'block' ? have_block : have_system)
3505 foreach m, module_ss : list
3507 module_ss = module_ss.apply(config_all, strict: false)
3508 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3509 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3515 if module_ss.sources() != []
3516 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3517 # input. Sources can be used multiple times but objects are
3518 # unique when it comes to lookup in compile_commands.json.
3519 # Depnds on a mesion version with
3520 # https://github.com/mesonbuild/meson/pull/8900
3521 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3522 output: d + '-' + m + '.modinfo',
3523 input: module_ss.sources() + genh,
3525 command: [modinfo_collect, module_ss.sources()])
3529 block_ss.add_all(module_ss)
3531 system_ss.add_all(module_ss)
3537 foreach d, list : target_modules
3538 foreach m, module_ss : list
3540 foreach target : target_dirs
3541 if target.endswith('-softmmu')
3542 config_target = config_target_mak[target]
3543 config_target += config_targetos
3544 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3545 c_args = ['-DNEED_CPU_H',
3546 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3547 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3548 target_module_ss = module_ss.apply(config_target, strict: false)
3549 if target_module_ss.sources() != []
3550 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3551 sl = static_library(module_name,
3552 [genh, target_module_ss.sources()],
3553 dependencies: [modulecommon, target_module_ss.dependencies()],
3554 include_directories: target_inc,
3558 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3559 modinfo_files += custom_target(module_name + '.modinfo',
3560 output: module_name + '.modinfo',
3561 input: target_module_ss.sources() + genh,
3563 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3568 specific_ss.add_all(module_ss)
3574 foreach target : target_dirs
3575 if target.endswith('-softmmu')
3576 config_target = config_target_mak[target]
3577 config_devices_mak = target + '-config-devices.mak'
3578 modinfo_src = custom_target('modinfo-' + target + '.c',
3579 output: 'modinfo-' + target + '.c',
3580 input: modinfo_files,
3581 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3584 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3585 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3587 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3588 hw_arch[arch].add(modinfo_dep)
3593 nm = find_program('nm')
3594 undefsym = find_program('scripts/undefsym.py')
3595 block_syms = custom_target('block.syms', output: 'block.syms',
3596 input: [libqemuutil, block_mods],
3598 command: [undefsym, nm, '@INPUT@'])
3599 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3600 input: [libqemuutil, softmmu_mods],
3602 command: [undefsym, nm, '@INPUT@'])
3604 authz_ss = authz_ss.apply(config_targetos, strict: false)
3605 libauthz = static_library('authz', authz_ss.sources() + genh,
3606 dependencies: [authz_ss.dependencies()],
3608 build_by_default: false)
3610 authz = declare_dependency(link_whole: libauthz,
3613 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3614 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3615 dependencies: [crypto_ss.dependencies()],
3617 build_by_default: false)
3619 crypto = declare_dependency(link_whole: libcrypto,
3620 dependencies: [authz, qom])
3622 io_ss = io_ss.apply(config_targetos, strict: false)
3623 libio = static_library('io', io_ss.sources() + genh,
3624 dependencies: [io_ss.dependencies()],
3625 link_with: libqemuutil,
3627 build_by_default: false)
3629 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3631 libmigration = static_library('migration', sources: migration_files + genh,
3633 build_by_default: false)
3634 migration = declare_dependency(link_with: libmigration,
3635 dependencies: [zlib, qom, io])
3636 system_ss.add(migration)
3638 block_ss = block_ss.apply(config_targetos, strict: false)
3639 libblock = static_library('block', block_ss.sources() + genh,
3640 dependencies: block_ss.dependencies(),
3641 link_depends: block_syms,
3643 build_by_default: false)
3645 block = declare_dependency(link_whole: [libblock],
3646 link_args: '@block.syms',
3647 dependencies: [crypto, io])
3649 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3650 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3651 dependencies: blockdev_ss.dependencies(),
3653 build_by_default: false)
3655 blockdev = declare_dependency(link_whole: [libblockdev],
3656 dependencies: [block, event_loop_base])
3658 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3659 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3660 dependencies: qmp_ss.dependencies(),
3662 build_by_default: false)
3664 qmp = declare_dependency(link_whole: [libqmp])
3666 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3668 dependencies: chardev_ss.dependencies(),
3669 build_by_default: false)
3671 chardev = declare_dependency(link_whole: libchardev)
3673 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3674 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3676 build_by_default: false)
3677 hwcore = declare_dependency(link_whole: libhwcore)
3678 common_ss.add(hwcore)
3684 emulator_modules = []
3685 foreach m : block_mods + softmmu_mods
3686 emulator_modules += shared_module(m.name(),
3687 build_by_default: true,
3691 install_dir: qemu_moddir)
3693 if emulator_modules.length() > 0
3694 alias_target('modules', emulator_modules)
3697 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3698 common_ss.add(qom, qemuutil)
3700 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3701 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3703 common_all = common_ss.apply(config_all, strict: false)
3704 common_all = static_library('common',
3705 build_by_default: false,
3706 sources: common_all.sources() + genh,
3707 include_directories: common_user_inc,
3708 implicit_include_directories: false,
3709 dependencies: common_all.dependencies(),
3712 feature_to_c = find_program('scripts/feature_to_c.sh')
3714 if targetos == 'darwin'
3715 entitlement = find_program('scripts/entitlement.sh')
3719 foreach target : target_dirs
3720 config_target = config_target_mak[target]
3721 target_name = config_target['TARGET_NAME']
3722 target_base_arch = config_target['TARGET_BASE_ARCH']
3723 arch_srcs = [config_target_h[target]]
3725 c_args = ['-DNEED_CPU_H',
3726 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3727 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3728 link_args = emulator_link_args
3730 config_target += config_targetos
3731 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3732 if targetos == 'linux'
3733 target_inc += include_directories('linux-headers', is_system: true)
3735 if target.endswith('-softmmu')
3736 target_type='system'
3737 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3738 arch_srcs += t.sources()
3739 arch_deps += t.dependencies()
3741 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3742 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3743 arch_srcs += hw.sources()
3744 arch_deps += hw.dependencies()
3746 arch_srcs += config_devices_h[target]
3747 link_args += ['@block.syms', '@qemu.syms']
3749 abi = config_target['TARGET_ABI_DIR']
3751 target_inc += common_user_inc
3752 if target_base_arch in target_user_arch
3753 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3754 arch_srcs += t.sources()
3755 arch_deps += t.dependencies()
3757 if 'CONFIG_LINUX_USER' in config_target
3758 base_dir = 'linux-user'
3760 if 'CONFIG_BSD_USER' in config_target
3761 base_dir = 'bsd-user'
3762 target_inc += include_directories('bsd-user/' / targetos)
3763 target_inc += include_directories('bsd-user/host/' / host_arch)
3764 dir = base_dir / abi
3765 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3767 target_inc += include_directories(
3771 if 'CONFIG_LINUX_USER' in config_target
3772 dir = base_dir / abi
3773 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3774 if config_target.has_key('TARGET_SYSTBL_ABI')
3776 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3777 extra_args : config_target['TARGET_SYSTBL_ABI'])
3782 if 'TARGET_XML_FILES' in config_target
3783 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3784 output: target + '-gdbstub-xml.c',
3785 input: files(config_target['TARGET_XML_FILES'].split()),
3786 command: [feature_to_c, '@INPUT@'],
3788 arch_srcs += gdbstub_xml
3791 t = target_arch[target_base_arch].apply(config_target, strict: false)
3792 arch_srcs += t.sources()
3793 arch_deps += t.dependencies()
3795 target_common = common_ss.apply(config_target, strict: false)
3796 objects = common_all.extract_objects(target_common.sources())
3797 deps = target_common.dependencies()
3799 target_specific = specific_ss.apply(config_target, strict: false)
3800 arch_srcs += target_specific.sources()
3801 arch_deps += target_specific.dependencies()
3803 lib = static_library('qemu-' + target,
3804 sources: arch_srcs + genh,
3805 dependencies: arch_deps,
3807 include_directories: target_inc,
3809 build_by_default: false,
3812 if target.endswith('-softmmu')
3814 'name': 'qemu-system-' + target_name,
3815 'win_subsystem': 'console',
3816 'sources': files('softmmu/main.c'),
3819 if targetos == 'windows' and (sdl.found() or gtk.found())
3821 'name': 'qemu-system-' + target_name + 'w',
3822 'win_subsystem': 'windows',
3823 'sources': files('softmmu/main.c'),
3827 if get_option('fuzzing')
3828 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3830 'name': 'qemu-fuzz-' + target_name,
3831 'win_subsystem': 'console',
3832 'sources': specific_fuzz.sources(),
3833 'dependencies': specific_fuzz.dependencies(),
3838 'name': 'qemu-' + target_name,
3839 'win_subsystem': 'console',
3845 exe_name = exe['name']
3846 if targetos == 'darwin'
3847 exe_name += '-unsigned'
3850 emulator = executable(exe_name, exe['sources'],
3853 dependencies: arch_deps + deps + exe['dependencies'],
3854 objects: lib.extract_all_objects(recursive: true),
3855 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3856 link_args: link_args,
3857 win_subsystem: exe['win_subsystem'])
3859 if targetos == 'darwin'
3860 icon = 'pc-bios/qemu.rsrc'
3861 build_input = [emulator, files(icon)]
3863 get_option('bindir') / exe_name,
3864 meson.current_source_dir() / icon
3866 if 'CONFIG_HVF' in config_target
3867 entitlements = 'accel/hvf/entitlements.plist'
3868 build_input += files(entitlements)
3869 install_input += meson.current_source_dir() / entitlements
3872 emulators += {exe['name'] : custom_target(exe['name'],
3874 output: exe['name'],
3875 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3878 meson.add_install_script(entitlement, '--install',
3879 get_option('bindir') / exe['name'],
3882 emulators += {exe['name']: emulator}
3887 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3888 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3889 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3890 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3892 custom_target(exe['name'] + stp['ext'],
3893 input: trace_events_all,
3894 output: exe['name'] + stp['ext'],
3895 install: stp['install'],
3896 install_dir: get_option('datadir') / 'systemtap/tapset',
3898 tracetool, '--group=all', '--format=' + stp['fmt'],
3899 '--binary=' + stp['bin'],
3900 '--target-name=' + target_name,
3901 '--target-type=' + target_type,
3902 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3903 '@INPUT@', '@OUTPUT@'
3905 depend_files: tracetool_depends)
3911 # Other build targets
3913 if get_option('plugins')
3914 install_headers('include/qemu/qemu-plugin.h')
3919 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3920 # when we don't build tools or system
3921 if xkbcommon.found()
3922 # used for the update-keymaps target, so include rules even if !have_tools
3923 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3924 dependencies: [qemuutil, xkbcommon], install: have_tools)
3928 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3929 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3930 qemu_io = executable('qemu-io', files('qemu-io.c'),
3931 dependencies: [block, qemuutil], install: true)
3932 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3933 dependencies: [blockdev, qemuutil, gnutls, selinux],
3936 subdir('storage-daemon')
3937 subdir('contrib/rdmacm-mux')
3938 subdir('contrib/elf2dmp')
3940 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3941 dependencies: qemuutil,
3945 subdir('contrib/vhost-user-blk')
3946 subdir('contrib/vhost-user-gpu')
3947 subdir('contrib/vhost-user-input')
3948 subdir('contrib/vhost-user-scsi')
3951 if targetos == 'linux'
3952 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3953 dependencies: [qemuutil, libcap_ng],
3955 install_dir: get_option('libexecdir'))
3957 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3958 dependencies: [authz, crypto, io, qom, qemuutil,
3959 libcap_ng, mpathpersist],
3964 subdir('contrib/ivshmem-client')
3965 subdir('contrib/ivshmem-server')
3978 if host_machine.system() == 'windows'
3980 find_program('scripts/nsis.py'),
3982 get_option('prefix'),
3983 meson.current_source_dir(),
3984 glib_pc.get_variable('bindir'),
3987 '-DDISPLAYVERSION=' + meson.project_version(),
3990 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3993 nsis_cmd += '-DCONFIG_GTK=y'
3996 nsis = custom_target('nsis',
3997 output: 'qemu-setup-' + meson.project_version() + '.exe',
3998 input: files('qemu.nsi'),
3999 build_always_stale: true,
4000 command: nsis_cmd + ['@INPUT@'])
4001 alias_target('installer', nsis)
4004 #########################
4005 # Configuration summary #
4006 #########################
4010 summary_info += {'Build directory': meson.current_build_dir()}
4011 summary_info += {'Source path': meson.current_source_dir()}
4012 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4013 summary(summary_info, bool_yn: true, section: 'Build environment')
4016 summary_info += {'Install prefix': get_option('prefix')}
4017 summary_info += {'BIOS directory': qemu_datadir}
4018 pathsep = targetos == 'windows' ? ';' : ':'
4019 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4020 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4021 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4022 summary_info += {'module directory': qemu_moddir}
4023 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4024 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4025 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4026 if targetos != 'windows'
4027 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4028 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4030 summary_info += {'local state directory': 'queried at runtime'}
4032 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4033 summary(summary_info, bool_yn: true, section: 'Directories')
4037 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4038 summary_info += {'sphinx-build': sphinx_build}
4039 if config_host.has_key('HAVE_GDB_BIN')
4040 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4042 summary_info += {'iasl': iasl}
4043 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4044 if targetos == 'windows' and have_ga
4045 summary_info += {'wixl': wixl}
4047 if slirp.found() and have_system
4048 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4050 summary(summary_info, bool_yn: true, section: 'Host binaries')
4052 # Configurable features
4054 summary_info += {'Documentation': build_docs}
4055 summary_info += {'system-mode emulation': have_system}
4056 summary_info += {'user-mode emulation': have_user}
4057 summary_info += {'block layer': have_block}
4058 summary_info += {'Install blobs': get_option('install_blobs')}
4059 summary_info += {'module support': enable_modules}
4061 summary_info += {'alternative module path': get_option('module_upgrades')}
4063 summary_info += {'fuzzing support': get_option('fuzzing')}
4065 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4067 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4068 if 'simple' in get_option('trace_backends')
4069 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4071 summary_info += {'D-Bus display': dbus_display}
4072 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4073 summary_info += {'vhost-kernel support': have_vhost_kernel}
4074 summary_info += {'vhost-net support': have_vhost_net}
4075 summary_info += {'vhost-user support': have_vhost_user}
4076 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4077 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4078 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4079 summary_info += {'build guest agent': have_ga}
4080 summary(summary_info, bool_yn: true, section: 'Configurable features')
4082 # Compilation information
4084 summary_info += {'host CPU': cpu}
4085 summary_info += {'host endianness': build_machine.endian()}
4086 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4087 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4088 if 'cpp' in all_languages
4089 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4091 summary_info += {'C++ compiler': false}
4093 if targetos == 'darwin'
4094 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4096 option_cflags = (get_option('debug') ? ['-g'] : [])
4097 if get_option('optimization') != 'plain'
4098 option_cflags += ['-O' + get_option('optimization')]
4100 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4101 if 'cpp' in all_languages
4102 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4104 if targetos == 'darwin'
4105 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4107 link_args = get_option('c_link_args')
4108 if link_args.length() > 0
4109 summary_info += {'LDFLAGS': ' '.join(link_args)}
4111 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4112 if 'cpp' in all_languages
4113 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4115 if 'objc' in all_languages
4116 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4118 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4119 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4120 summary_info += {'PIE': get_option('b_pie')}
4121 summary_info += {'static build': get_option('prefer_static')}
4122 summary_info += {'malloc trim support': has_malloc_trim}
4123 summary_info += {'membarrier': have_membarrier}
4124 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4125 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4126 summary_info += {'mutex debugging': get_option('debug_mutex')}
4127 summary_info += {'memory allocator': get_option('malloc')}
4128 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4129 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4130 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4131 if get_option('gprof')
4132 gprof_info = 'YES (deprecated)'
4134 gprof_info = get_option('gprof')
4136 summary_info += {'gprof': gprof_info}
4137 summary_info += {'gcov': get_option('b_coverage')}
4138 summary_info += {'thread sanitizer': get_option('tsan')}
4139 summary_info += {'CFI support': get_option('cfi')}
4140 if get_option('cfi')
4141 summary_info += {'CFI debug support': get_option('cfi_debug')}
4143 summary_info += {'strip binaries': get_option('strip')}
4144 summary_info += {'sparse': sparse}
4145 summary_info += {'mingw32 support': targetos == 'windows'}
4146 summary(summary_info, bool_yn: true, section: 'Compilation')
4148 # snarf the cross-compilation information for tests
4151 foreach target: target_dirs
4152 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4153 if fs.exists(tcg_mak)
4154 config_cross_tcg = keyval.load(tcg_mak)
4155 if 'CC' in config_cross_tcg
4156 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4162 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4165 # Targets and accelerators
4168 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4169 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4170 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4171 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4172 summary_info += {'Xen support': xen.found()}
4174 summary_info += {'xen ctrl version': xen.version()}
4176 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4178 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4179 if config_all.has_key('CONFIG_TCG')
4180 if get_option('tcg_interpreter')
4181 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4183 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4185 summary_info += {'TCG plugins': get_option('plugins')}
4186 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4188 summary_info += {'target list': ' '.join(target_dirs)}
4190 summary_info += {'default devices': get_option('default_devices')}
4191 summary_info += {'out of process emulation': multiprocess_allowed}
4192 summary_info += {'vfio-user server': vfio_user_server_allowed}
4194 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4198 summary_info += {'coroutine backend': coroutine_backend}
4199 summary_info += {'coroutine pool': have_coroutine_pool}
4201 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4202 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4203 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4204 summary_info += {'VirtFS (9P) support': have_virtfs}
4205 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4206 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4207 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4208 summary_info += {'bochs support': get_option('bochs').allowed()}
4209 summary_info += {'cloop support': get_option('cloop').allowed()}
4210 summary_info += {'dmg support': get_option('dmg').allowed()}
4211 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4212 summary_info += {'vdi support': get_option('vdi').allowed()}
4213 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4214 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4215 summary_info += {'vpc support': get_option('vpc').allowed()}
4216 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4217 summary_info += {'qed support': get_option('qed').allowed()}
4218 summary_info += {'parallels support': get_option('parallels').allowed()}
4219 summary_info += {'FUSE exports': fuse}
4220 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4222 summary(summary_info, bool_yn: true, section: 'Block layer support')
4226 summary_info += {'TLS priority': get_option('tls_priority')}
4227 summary_info += {'GNUTLS support': gnutls}
4229 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4231 summary_info += {'libgcrypt': gcrypt}
4232 summary_info += {'nettle': nettle}
4234 summary_info += {' XTS': xts != 'private'}
4236 summary_info += {'AF_ALG support': have_afalg}
4237 summary_info += {'rng-none': get_option('rng_none')}
4238 summary_info += {'Linux keyring': have_keyring}
4239 summary_info += {'Linux keyutils': keyutils}
4240 summary(summary_info, bool_yn: true, section: 'Crypto')
4244 if targetos == 'darwin'
4245 summary_info += {'Cocoa support': cocoa}
4247 summary_info += {'SDL support': sdl}
4248 summary_info += {'SDL image support': sdl_image}
4249 summary_info += {'GTK support': gtk}
4250 summary_info += {'pixman': pixman}
4251 summary_info += {'VTE support': vte}
4252 summary_info += {'PNG support': png}
4253 summary_info += {'VNC support': vnc}
4255 summary_info += {'VNC SASL support': sasl}
4256 summary_info += {'VNC JPEG support': jpeg}
4258 summary_info += {'spice protocol support': spice_protocol}
4259 if spice_protocol.found()
4260 summary_info += {' spice server support': spice}
4262 summary_info += {'curses support': curses}
4263 summary_info += {'brlapi support': brlapi}
4264 summary(summary_info, bool_yn: true, section: 'User interface')
4268 if targetos not in ['darwin', 'haiku', 'windows']
4269 summary_info += {'OSS support': oss}
4270 summary_info += {'sndio support': sndio}
4271 elif targetos == 'darwin'
4272 summary_info += {'CoreAudio support': coreaudio}
4273 elif targetos == 'windows'
4274 summary_info += {'DirectSound support': dsound}
4276 if targetos == 'linux'
4277 summary_info += {'ALSA support': alsa}
4278 summary_info += {'PulseAudio support': pulse}
4280 summary_info += {'PipeWire support': pipewire}
4281 summary_info += {'JACK support': jack}
4282 summary(summary_info, bool_yn: true, section: 'Audio backends')
4286 if targetos == 'darwin'
4287 summary_info += {'vmnet.framework support': vmnet}
4289 summary_info += {'AF_XDP support': libxdp}
4290 summary_info += {'slirp support': slirp}
4291 summary_info += {'vde support': vde}
4292 summary_info += {'netmap support': have_netmap}
4293 summary_info += {'l2tpv3 support': have_l2tpv3}
4294 summary(summary_info, bool_yn: true, section: 'Network backends')
4298 summary_info += {'libtasn1': tasn1}
4299 summary_info += {'PAM': pam}
4300 summary_info += {'iconv support': iconv}
4301 summary_info += {'virgl support': virgl}
4302 summary_info += {'blkio support': blkio}
4303 summary_info += {'curl support': curl}
4304 summary_info += {'Multipath support': mpathpersist}
4305 summary_info += {'Linux AIO support': libaio}
4306 summary_info += {'Linux io_uring support': linux_io_uring}
4307 summary_info += {'ATTR/XATTR support': libattr}
4308 summary_info += {'RDMA support': rdma}
4309 summary_info += {'PVRDMA support': have_pvrdma}
4310 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4311 summary_info += {'libcap-ng support': libcap_ng}
4312 summary_info += {'bpf support': libbpf}
4313 summary_info += {'rbd support': rbd}
4314 summary_info += {'smartcard support': cacard}
4315 summary_info += {'U2F support': u2f}
4316 summary_info += {'libusb': libusb}
4317 summary_info += {'usb net redir': usbredir}
4318 summary_info += {'OpenGL support (epoxy)': opengl}
4319 summary_info += {'GBM': gbm}
4320 summary_info += {'libiscsi support': libiscsi}
4321 summary_info += {'libnfs support': libnfs}
4322 if targetos == 'windows'
4324 summary_info += {'QGA VSS support': have_qga_vss}
4327 summary_info += {'seccomp support': seccomp}
4328 summary_info += {'GlusterFS support': glusterfs}
4329 summary_info += {'TPM support': have_tpm}
4330 summary_info += {'libssh support': libssh}
4331 summary_info += {'lzo support': lzo}
4332 summary_info += {'snappy support': snappy}
4333 summary_info += {'bzip2 support': libbzip2}
4334 summary_info += {'lzfse support': liblzfse}
4335 summary_info += {'zstd support': zstd}
4336 summary_info += {'NUMA host support': numa}
4337 summary_info += {'capstone': capstone}
4338 summary_info += {'libpmem support': libpmem}
4339 summary_info += {'libdaxctl support': libdaxctl}
4340 summary_info += {'libudev': libudev}
4341 # Dummy dependency, keep .found()
4342 summary_info += {'FUSE lseek': fuse_lseek.found()}
4343 summary_info += {'selinux': selinux}
4344 summary_info += {'libdw': libdw}
4345 summary(summary_info, bool_yn: true, section: 'Dependencies')
4347 if host_arch == 'unknown'
4349 warning('UNSUPPORTED HOST CPU')
4351 message('Support for CPU host architecture ' + cpu + ' is not currently')
4352 message('maintained. The QEMU project does not guarantee that QEMU will')
4353 message('compile or work on this host CPU. You can help by volunteering')
4354 message('to maintain it and providing a build host for our continuous')
4355 message('integration setup.')
4356 if get_option('tcg').allowed() and target_dirs.length() > 0
4358 message('configure has succeeded and you can continue to build, but')
4359 message('QEMU will use a slow interpreter to emulate the target CPU.')
4363 if not supported_oses.contains(targetos)
4365 warning('UNSUPPORTED HOST OS')
4367 message('Support for host OS ' + targetos + 'is not currently maintained.')
4368 message('configure has succeeded and you can continue to build, but')
4369 message('the QEMU project does not guarantee that QEMU will compile or')
4370 message('work on this operating system. You can help by volunteering')
4371 message('to maintain it and providing a build host for our continuous')
4372 message('integration setup. This will ensure that future versions of QEMU')
4373 message('will keep working on ' + targetos + '.')
4376 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4378 message('If you want to help supporting QEMU on this platform, please')
4379 message('contact the developers at qemu-devel@nongnu.org.')