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('prefer_static')
258 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
261 # Meson currently only handles pie as a boolean for now, so if the user
262 # has explicitly disabled PIE we need to extend our cflags.
264 # -no-pie is supposedly a linker flag that has no effect on the compiler
265 # command line, but some distros, that didn't quite know what they were
266 # doing, made local changes to gcc's specs file that turned it into
267 # a compiler command-line flag.
269 # What about linker flags? For a static build, no PIE is implied by -static
270 # which we added above (and if it's not because of the same specs patching,
271 # there's nothing we can do: compilation will fail, report a bug to your
272 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
273 # instead, we can't add -no-pie because it overrides -shared: the linker then
274 # tries to build an executable instead of a shared library and fails. So
275 # don't add -no-pie anywhere and cross fingers. :(
276 if not get_option('b_pie')
277 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
280 if not get_option('stack_protector').disabled()
281 stack_protector_probe = '''
282 int main(int argc, char *argv[])
284 char arr[64], *p = arr, *c = argv[argc - 1];
290 have_stack_protector = false
291 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
292 # We need to check both a compile and a link, since some compiler
293 # setups fail only on a .c->.o compile and some only at link time
294 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
295 cc.links(stack_protector_probe, args: ['-Werror', arg])
296 have_stack_protector = true
302 get_option('stack_protector') \
303 .require(have_stack_protector, error_message: 'Stack protector not supported')
306 coroutine_backend = get_option('coroutine_backend')
308 #include <ucontext.h>
309 #ifdef __stub_makecontext
310 #error Ignoring glibc stub makecontext which will always fail
312 int main(void) { makecontext(0, 0, 0); return 0; }'''
314 # On Windows the only valid backend is the Windows specific one.
315 # For POSIX prefer ucontext, but it's not always possible. The fallback
317 supported_backends = []
318 if targetos == 'windows'
319 supported_backends += ['windows']
321 if targetos != 'darwin' and cc.links(ucontext_probe)
322 supported_backends += ['ucontext']
324 supported_backends += ['sigaltstack']
327 if coroutine_backend == 'auto'
328 coroutine_backend = supported_backends[0]
329 elif coroutine_backend not in supported_backends
330 error('"@0@" backend requested but not available. Available backends: @1@' \
331 .format(coroutine_backend, ', '.join(supported_backends)))
334 # Compiles if SafeStack *not* enabled
335 safe_stack_probe = '''
338 #if defined(__has_feature)
339 #if __has_feature(safe_stack)
340 #error SafeStack Enabled
345 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
346 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
347 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
348 error(get_option('safe_stack') \
349 ? 'SafeStack not supported by your compiler' \
350 : 'Cannot disable SafeStack')
352 qemu_cflags += safe_stack_arg
353 qemu_ldflags += safe_stack_arg
355 if get_option('safe_stack') and coroutine_backend != 'ucontext'
356 error('SafeStack is only supported with the ucontext coroutine backend')
359 if get_option('sanitizers')
360 if cc.has_argument('-fsanitize=address')
361 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
362 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
365 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
366 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
367 args: [qemu_ldflags, '-fsanitize=undefined'])
368 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
369 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
373 # Thread sanitizer is, for now, much noisier than the other sanitizers;
374 # keep it separate until that is not the case.
375 if get_option('tsan')
376 if get_option('sanitizers')
377 error('TSAN is not supported with other sanitizers')
379 if not cc.has_function('__tsan_create_fiber',
380 args: '-fsanitize=thread',
381 prefix: '#include <sanitizer/tsan_interface.h>')
382 error('Cannot enable TSAN due to missing fiber annotation interface')
384 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
385 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
388 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
389 # The combination is known as "full relro", because .got.plt is read-only too.
390 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
392 if targetos == 'windows'
393 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
394 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
397 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
398 if targetos != 'sunos' and not get_option('tsan')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
402 if get_option('fuzzing')
403 # Specify a filter to only instrument code that is directly related to
405 configure_file(output: 'instrumentation-filter',
406 input: 'scripts/oss-fuzz/instrumentation-filter-template',
409 if cc.compiles('int main () { return 0; }',
410 name: '-fsanitize-coverage-allowlist=/dev/null',
411 args: ['-fsanitize-coverage-allowlist=/dev/null',
412 '-fsanitize-coverage=trace-pc'] )
413 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
416 if get_option('fuzzing_engine') == ''
417 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
418 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
419 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
420 # unable to bind the fuzzer-related callbacks added by instrumentation.
421 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
422 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
423 # For the actual fuzzer binaries, we need to link against the libfuzzer
424 # library. They need to be configurable, to support OSS-Fuzz
425 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
427 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
428 # the needed CFLAGS have already been provided
429 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
433 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
434 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
436 # Collect warnings that we want to enable
441 '-Wmissing-prototypes',
442 '-Wstrict-prototypes',
444 '-Wold-style-declaration',
445 '-Wold-style-definition',
450 '-Wignored-qualifiers',
454 '-Wexpansion-to-defined',
455 '-Wimplicit-fallthrough=2',
456 '-Wmissing-format-attribute',
457 '-Wno-initializer-overrides',
458 '-Wno-missing-include-dirs',
459 '-Wno-shift-negative-value',
460 '-Wno-string-plus-int',
461 '-Wno-typedef-redefinition',
462 '-Wno-tautological-type-limit-compare',
464 '-Wno-gnu-variable-sized-type-not-at-end',
467 if targetos != 'darwin'
468 warn_flags += ['-Wthread-safety']
471 # Set up C++ compiler flags
473 if 'cpp' in all_languages
474 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
477 add_project_arguments(qemu_cflags, native: false, language: 'c')
478 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
479 if 'cpp' in all_languages
480 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
481 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
483 if 'objc' in all_languages
484 # Note sanitizer flags are not applied to Objective-C sources!
485 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
487 if targetos == 'linux'
488 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
489 '-isystem', 'linux-headers',
490 language: all_languages)
493 add_project_arguments('-iquote', '.',
494 '-iquote', meson.current_source_dir(),
495 '-iquote', meson.current_source_dir() / 'include',
496 language: all_languages)
498 # If a host-specific include directory exists, list that first...
499 host_include = meson.current_source_dir() / 'host/include/'
500 if fs.is_dir(host_include / host_arch)
501 add_project_arguments('-iquote', host_include / host_arch,
502 language: all_languages)
504 # ... followed by the generic fallback.
505 add_project_arguments('-iquote', host_include / 'generic',
506 language: all_languages)
508 sparse = find_program('cgcc', required: get_option('sparse'))
511 command: [find_program('scripts/check_sparse.py'),
512 'compile_commands.json', sparse.full_path(), '-Wbitwise',
513 '-Wno-transparent-union', '-Wno-old-initializer',
514 '-Wno-non-pointer-null'])
517 ###########################################
518 # Target-specific checks and dependencies #
519 ###########################################
522 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
525 #include <sys/types.h>
526 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
527 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
529 args: ['-Werror', '-fsanitize=fuzzer'])
530 error('Your compiler does not support -fsanitize=fuzzer')
534 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
535 error('ftrace is supported only on Linux')
537 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
540 openlog("qemu", LOG_PID, LOG_DAEMON);
541 syslog(LOG_INFO, "configure");
544 error('syslog is not supported on this system')
547 # Miscellaneous Linux-only features
548 get_option('mpath') \
549 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
551 multiprocess_allowed = get_option('multiprocess') \
552 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
555 vfio_user_server_allowed = get_option('vfio_user_server') \
556 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
559 have_tpm = get_option('tpm') \
560 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
564 have_vhost_user = get_option('vhost_user') \
565 .disable_auto_if(targetos != 'linux') \
566 .require(targetos != 'windows',
567 error_message: 'vhost-user is not available on Windows').allowed()
568 have_vhost_vdpa = get_option('vhost_vdpa') \
569 .require(targetos == 'linux',
570 error_message: 'vhost-vdpa is only available on Linux').allowed()
571 have_vhost_kernel = get_option('vhost_kernel') \
572 .require(targetos == 'linux',
573 error_message: 'vhost-kernel is only available on Linux').allowed()
574 have_vhost_user_crypto = get_option('vhost_crypto') \
575 .require(have_vhost_user,
576 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
578 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
580 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
581 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
582 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
583 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
585 # Target-specific libraries and flags
586 libm = cc.find_library('m', required: false)
587 threads = dependency('threads')
588 util = cc.find_library('util', required: false)
594 emulator_link_args = []
601 if targetos == 'windows'
602 midl = find_program('midl', required: false)
603 widl = find_program('widl', required: false)
604 pathcch = cc.find_library('pathcch')
605 socket = cc.find_library('ws2_32')
606 winmm = cc.find_library('winmm')
608 win = import('windows')
609 version_res = win.compile_resources('version.rc',
610 depend_files: files('pc-bios/qemu-nsis.ico'),
611 include_directories: include_directories('.'))
613 elif targetos == 'darwin'
614 coref = dependency('appleframeworks', modules: 'CoreFoundation')
615 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
616 host_dsosuf = '.dylib'
617 elif targetos == 'sunos'
618 socket = [cc.find_library('socket'),
619 cc.find_library('nsl'),
620 cc.find_library('resolv')]
621 elif targetos == 'haiku'
622 socket = [cc.find_library('posix_error_mapper'),
623 cc.find_library('network'),
624 cc.find_library('bsd')]
625 elif targetos == 'openbsd'
626 if get_option('tcg').allowed() and target_dirs.length() > 0
627 # Disable OpenBSD W^X if available
628 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
632 # Target-specific configuration of accelerators
634 if get_option('kvm').allowed() and targetos == 'linux'
635 accelerators += 'CONFIG_KVM'
637 if get_option('whpx').allowed() and targetos == 'windows'
638 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
639 error('WHPX requires 64-bit host')
640 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
641 cc.has_header('winhvemulation.h', required: get_option('whpx'))
642 accelerators += 'CONFIG_WHPX'
645 if get_option('hvf').allowed()
646 hvf = dependency('appleframeworks', modules: 'Hypervisor',
647 required: get_option('hvf'))
649 accelerators += 'CONFIG_HVF'
652 if targetos == 'netbsd'
653 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
655 accelerators += 'CONFIG_NVMM'
660 if get_option('tcg').allowed()
661 if host_arch == 'unknown'
662 if not get_option('tcg_interpreter')
663 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
665 elif get_option('tcg_interpreter')
666 warning('Use of the TCG interpreter is not recommended on this host')
667 warning('architecture. There is a native TCG execution backend available')
668 warning('which provides substantially better performance and reliability.')
669 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
670 warning('configuration option on this architecture to use the native')
673 if get_option('tcg_interpreter')
675 elif host_arch == 'x86_64'
677 elif host_arch == 'ppc64'
680 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
681 language: all_languages)
683 accelerators += 'CONFIG_TCG'
686 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
687 error('KVM not available on this platform')
689 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
690 error('HVF not available on this platform')
692 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
693 error('NVMM not available on this platform')
695 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
696 error('WHPX not available on this platform')
703 # When bumping glib minimum version, please check also whether to increase
704 # the _WIN32_WINNT setting in osdep.h according to the value from glib
705 glib_req_ver = '>=2.56.0'
706 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
707 method: 'pkg-config')
710 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
711 method: 'pkg-config')
712 elif get_option('plugins')
713 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
714 method: 'pkg-config')
719 # This workaround is required due to a bug in pkg-config file for glib as it
720 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
721 if targetos == 'windows' and get_option('prefer_static')
722 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
725 # Sanity check that the current size_t matches the
726 # size that glib thinks it should be. This catches
727 # problems on multi-arch where people try to build
728 # 32-bit QEMU while pointing at 64-bit glib headers
730 if not cc.compiles('''
734 #define QEMU_BUILD_BUG_ON(x) \
735 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
738 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
740 }''', dependencies: glib_pc, args: glib_cflags)
741 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
742 You probably need to set PKG_CONFIG_LIBDIR" to point
743 to the right pkg-config files for your build target.''')
746 # Silence clang warnings triggered by glib < 2.57.2
747 if not cc.compiles('''
752 static void foo_free(Foo *f)
756 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
757 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
758 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
760 glib = declare_dependency(dependencies: [glib_pc, gmodule],
761 compile_args: glib_cflags,
762 version: glib_pc.version())
764 # Check whether glib has gslice, which we have to avoid for correctness.
765 # TODO: remove this check and the corresponding workaround (qtree) when
766 # the minimum supported glib is >= 2.75.3
767 glib_has_gslice = glib.version().version_compare('<2.75.3')
769 # override glib dep to include the above refinements
770 meson.override_dependency('glib-2.0', glib)
772 # The path to glib.h is added to all compilation commands.
773 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
774 native: false, language: all_languages)
777 gdbus_codegen = not_found
778 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
779 if not get_option('gio').auto() or have_system
780 gio = dependency('gio-2.0', required: get_option('gio'),
781 method: 'pkg-config')
782 if gio.found() and not cc.links('''
786 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
788 }''', dependencies: [glib, gio])
789 if get_option('gio').enabled()
790 error('The installed libgio is broken for static linking')
795 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
796 required: get_option('gio'))
797 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
798 method: 'pkg-config')
799 gio = declare_dependency(dependencies: [gio, gio_unix],
800 version: gio.version())
803 if gdbus_codegen.found() and get_option('cfi')
804 gdbus_codegen = not_found
805 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
808 xml_pp = find_program('scripts/xml-preprocess.py')
811 if 'ust' in get_option('trace_backends')
812 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
813 method: 'pkg-config')
816 if not get_option('pixman').auto() or have_system or have_tools
817 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
818 method: 'pkg-config')
820 if not pixman.found() and (have_system or have_tools)
821 error('FIXME: pixman is currently required')
824 zlib = dependency('zlib', required: true)
827 if not get_option('linux_aio').auto() or have_block
828 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
829 required: get_option('linux_aio'))
832 linux_io_uring_test = '''
833 #include <liburing.h>
834 #include <linux/errqueue.h>
836 int main(void) { return 0; }'''
838 linux_io_uring = not_found
839 if not get_option('linux_io_uring').auto() or have_block
840 linux_io_uring = dependency('liburing', version: '>=0.3',
841 required: get_option('linux_io_uring'),
842 method: 'pkg-config')
843 if not cc.links(linux_io_uring_test)
844 linux_io_uring = not_found
849 if not get_option('libnfs').auto() or have_block
850 libnfs = dependency('libnfs', version: '>=1.9.3',
851 required: get_option('libnfs'),
852 method: 'pkg-config')
857 #include <sys/types.h>
858 #ifdef CONFIG_LIBATTR
859 #include <attr/xattr.h>
861 #include <sys/xattr.h>
863 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
866 have_old_libattr = false
867 if get_option('attr').allowed()
868 if cc.links(libattr_test)
869 libattr = declare_dependency()
871 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
872 required: get_option('attr'))
873 if libattr.found() and not \
874 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
876 if get_option('attr').enabled()
877 error('could not link libattr')
879 warning('could not link libattr, disabling')
882 have_old_libattr = libattr.found()
887 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
888 required: get_option('cocoa'))
890 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
891 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
892 'VMNET_BRIDGED_MODE',
895 if get_option('vmnet').enabled()
896 error('vmnet.framework API is outdated')
898 warning('vmnet.framework API is outdated, disabling')
903 seccomp_has_sysrawrc = false
904 if not get_option('seccomp').auto() or have_system or have_tools
905 seccomp = dependency('libseccomp', version: '>=2.3.0',
906 required: get_option('seccomp'),
907 method: 'pkg-config')
909 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
910 'SCMP_FLTATR_API_SYSRAWRC',
911 dependencies: seccomp)
915 libcap_ng = not_found
916 if not get_option('cap_ng').auto() or have_system or have_tools
917 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
918 required: get_option('cap_ng'))
920 if libcap_ng.found() and not cc.links('''
924 capng_capability_to_name(CAPNG_EFFECTIVE);
926 }''', dependencies: libcap_ng)
927 libcap_ng = not_found
928 if get_option('cap_ng').enabled()
929 error('could not link libcap-ng')
931 warning('could not link libcap-ng, disabling')
935 if get_option('xkbcommon').auto() and not have_system and not have_tools
936 xkbcommon = not_found
938 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
939 method: 'pkg-config')
943 if not get_option('slirp').auto() or have_system
944 slirp = dependency('slirp', required: get_option('slirp'),
945 method: 'pkg-config')
946 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
947 # it passes function pointers within libslirp as callbacks for timers.
948 # When using a system-wide shared libslirp, the type information for the
949 # callback is missing and the timer call produces a false positive with CFI.
950 # Do not use the "version" keyword argument to produce a better error.
951 # with control-flow integrity.
952 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
953 if get_option('slirp').enabled()
954 error('Control-Flow Integrity requires libslirp 4.7.')
956 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
963 if not get_option('vde').auto() or have_system or have_tools
964 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
965 required: get_option('vde'))
967 if vde.found() and not cc.links('''
968 #include <libvdeplug.h>
971 struct vde_open_args a = {0, 0, 0};
975 }''', dependencies: vde)
977 if get_option('cap_ng').enabled()
978 error('could not link libvdeplug')
980 warning('could not link libvdeplug, disabling')
985 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
986 pulse = dependency('libpulse', required: get_option('pa'),
987 method: 'pkg-config')
990 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
991 alsa = dependency('alsa', required: get_option('alsa'),
992 method: 'pkg-config')
995 if not get_option('jack').auto() or have_system
996 jack = dependency('jack', required: get_option('jack'),
997 method: 'pkg-config')
1000 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1001 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1002 required: get_option('pipewire'),
1003 method: 'pkg-config')
1006 if not get_option('sndio').auto() or have_system
1007 sndio = dependency('sndio', required: get_option('sndio'),
1008 method: 'pkg-config')
1011 spice_protocol = not_found
1012 if not get_option('spice_protocol').auto() or have_system
1013 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1014 required: get_option('spice_protocol'),
1015 method: 'pkg-config')
1018 if get_option('spice') \
1019 .disable_auto_if(not have_system) \
1020 .require(pixman.found(),
1021 error_message: 'cannot enable SPICE if pixman is not available') \
1023 spice = dependency('spice-server', version: '>=0.14.0',
1024 required: get_option('spice'),
1025 method: 'pkg-config')
1027 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1029 rt = cc.find_library('rt', required: false)
1031 libiscsi = not_found
1032 if not get_option('libiscsi').auto() or have_block
1033 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1034 required: get_option('libiscsi'),
1035 method: 'pkg-config')
1038 if not get_option('zstd').auto() or have_block
1039 zstd = dependency('libzstd', version: '>=1.4.0',
1040 required: get_option('zstd'),
1041 method: 'pkg-config')
1045 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1046 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1047 virgl = dependency('virglrenderer',
1048 method: 'pkg-config',
1049 required: get_option('virglrenderer'))
1051 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1052 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1053 prefix: '#include <virglrenderer.h>',
1054 dependencies: virgl))
1057 rutabaga = not_found
1058 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1059 rutabaga = dependency('rutabaga_gfx_ffi',
1060 method: 'pkg-config',
1061 required: get_option('rutabaga_gfx'))
1064 if not get_option('blkio').auto() or have_block
1065 blkio = dependency('blkio',
1066 method: 'pkg-config',
1067 required: get_option('blkio'))
1070 if not get_option('curl').auto() or have_block
1071 curl = dependency('libcurl', version: '>=7.29.0',
1072 method: 'pkg-config',
1073 required: get_option('curl'))
1076 if targetos == 'linux' and (have_system or have_tools)
1077 libudev = dependency('libudev',
1078 method: 'pkg-config',
1079 required: get_option('libudev'))
1082 mpathlibs = [libudev]
1083 mpathpersist = not_found
1084 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1085 mpath_test_source = '''
1086 #include <libudev.h>
1087 #include <mpath_persist.h>
1088 unsigned mpath_mx_alloc_len = 1024;
1090 static struct config *multipath_conf;
1091 extern struct udev *udev;
1092 extern struct config *get_multipath_config(void);
1093 extern void put_multipath_config(struct config *conf);
1095 struct config *get_multipath_config(void) { return multipath_conf; }
1096 void put_multipath_config(struct config *conf) { }
1099 multipath_conf = mpath_lib_init();
1102 libmpathpersist = cc.find_library('mpathpersist',
1103 required: get_option('mpath'))
1104 if libmpathpersist.found()
1105 mpathlibs += libmpathpersist
1106 if get_option('prefer_static')
1107 mpathlibs += cc.find_library('devmapper',
1108 required: get_option('mpath'))
1110 mpathlibs += cc.find_library('multipath',
1111 required: get_option('mpath'))
1112 foreach lib: mpathlibs
1118 if mpathlibs.length() == 0
1119 msg = 'Dependencies missing for libmpathpersist'
1120 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1121 mpathpersist = declare_dependency(dependencies: mpathlibs)
1123 msg = 'Cannot detect libmpathpersist API'
1125 if not mpathpersist.found()
1126 if get_option('mpath').enabled()
1129 warning(msg + ', disabling')
1137 if have_system and get_option('curses').allowed()
1139 #if defined(__APPLE__) || defined(__OpenBSD__)
1140 #define _XOPEN_SOURCE_EXTENDED 1
1147 setlocale(LC_ALL, "");
1149 addwstr(L"wide chars\n");
1151 add_wch(WACS_DEGREE);
1155 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1156 curses = dependency(curses_dep_list,
1158 method: 'pkg-config')
1159 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1160 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1162 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1163 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1164 version: curses.version())
1166 msg = 'curses package not usable'
1170 if not curses.found()
1171 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1172 if targetos != 'windows' and not has_curses_h
1173 message('Trying with /usr/include/ncursesw')
1174 curses_compile_args += ['-I/usr/include/ncursesw']
1175 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1178 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1179 foreach curses_libname : curses_libname_list
1180 libcurses = cc.find_library(curses_libname,
1182 if libcurses.found()
1183 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1184 curses = declare_dependency(compile_args: curses_compile_args,
1185 dependencies: [libcurses])
1188 msg = 'curses library not usable'
1194 if get_option('iconv').allowed()
1195 foreach link_args : [ ['-liconv'], [] ]
1196 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1197 # We need to use libiconv if available because mixing libiconv's headers with
1198 # the system libc does not work.
1199 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1200 # included in the command line and libiconv will not be found.
1204 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1205 return conv != (iconv_t) -1;
1206 }''', args: link_args, dependencies: glib)
1207 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1212 if curses.found() and not iconv.found()
1213 if get_option('iconv').enabled()
1214 error('iconv not available')
1216 msg = 'iconv required for curses UI but not available'
1219 if not curses.found() and msg != ''
1220 if get_option('curses').enabled()
1223 warning(msg + ', disabling')
1229 if not get_option('brlapi').auto() or have_system
1230 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1231 required: get_option('brlapi'))
1232 if brlapi.found() and not cc.links('''
1235 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1237 if get_option('brlapi').enabled()
1238 error('could not link brlapi')
1240 warning('could not link brlapi, disabling')
1246 if not get_option('sdl').auto() or have_system
1247 sdl = dependency('sdl2', required: get_option('sdl'))
1248 sdl_image = not_found
1251 # Some versions of SDL have problems with -Wundef
1252 if not cc.compiles('''
1254 #include <SDL_syswm.h>
1255 int main(int argc, char *argv[]) { return 0; }
1256 ''', dependencies: sdl, args: '-Werror=undef')
1257 sdl = declare_dependency(compile_args: '-Wno-undef',
1259 version: sdl.version())
1261 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1262 method: 'pkg-config')
1264 if get_option('sdl_image').enabled()
1265 error('sdl-image required, but SDL was @0@'.format(
1266 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1268 sdl_image = not_found
1272 if not get_option('rbd').auto() or have_block
1273 librados = cc.find_library('rados', required: get_option('rbd'))
1274 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1275 required: get_option('rbd'))
1276 if librados.found() and librbd.found()
1279 #include <rbd/librbd.h>
1282 rados_create(&cluster, NULL);
1283 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1287 }''', dependencies: [librbd, librados])
1288 rbd = declare_dependency(dependencies: [librbd, librados])
1289 elif get_option('rbd').enabled()
1290 error('librbd >= 1.12.0 required')
1292 warning('librbd >= 1.12.0 not found, disabling')
1297 glusterfs = not_found
1298 glusterfs_ftruncate_has_stat = false
1299 glusterfs_iocb_has_stat = false
1300 if not get_option('glusterfs').auto() or have_block
1301 glusterfs = dependency('glusterfs-api', version: '>=3',
1302 required: get_option('glusterfs'),
1303 method: 'pkg-config')
1304 if glusterfs.found()
1305 glusterfs_ftruncate_has_stat = cc.links('''
1306 #include <glusterfs/api/glfs.h>
1311 /* new glfs_ftruncate() passes two additional args */
1312 return glfs_ftruncate(NULL, 0, NULL, NULL);
1314 ''', dependencies: glusterfs)
1315 glusterfs_iocb_has_stat = cc.links('''
1316 #include <glusterfs/api/glfs.h>
1318 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1320 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1326 glfs_io_cbk iocb = &glusterfs_iocb;
1327 iocb(NULL, 0 , NULL, NULL, NULL);
1330 ''', dependencies: glusterfs)
1335 if get_option('hv_balloon').allowed() and have_system
1338 #include <gmodule.h>
1342 tree = g_tree_new((GCompareFunc)strcmp);
1343 (void)g_tree_node_first(tree);
1344 g_tree_destroy(tree);
1347 ''', dependencies: glib)
1350 if get_option('hv_balloon').enabled()
1351 error('could not enable hv-balloon, update your glib')
1353 warning('could not find glib support for hv-balloon, disabling')
1359 if not get_option('libssh').auto() or have_block
1360 libssh = dependency('libssh', version: '>=0.8.7',
1361 method: 'pkg-config',
1362 required: get_option('libssh'))
1365 libbzip2 = not_found
1366 if not get_option('bzip2').auto() or have_block
1367 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1368 required: get_option('bzip2'))
1369 if libbzip2.found() and not cc.links('''
1371 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1372 libbzip2 = not_found
1373 if get_option('bzip2').enabled()
1374 error('could not link libbzip2')
1376 warning('could not link libbzip2, disabling')
1381 liblzfse = not_found
1382 if not get_option('lzfse').auto() or have_block
1383 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1384 required: get_option('lzfse'))
1386 if liblzfse.found() and not cc.links('''
1388 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1389 liblzfse = not_found
1390 if get_option('lzfse').enabled()
1391 error('could not link liblzfse')
1393 warning('could not link liblzfse, disabling')
1398 if get_option('oss').allowed() and have_system
1399 if not cc.has_header('sys/soundcard.h')
1401 elif targetos == 'netbsd'
1402 oss = cc.find_library('ossaudio', required: get_option('oss'))
1404 oss = declare_dependency()
1408 if get_option('oss').enabled()
1409 error('OSS not found')
1414 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1415 if cc.has_header('dsound.h')
1416 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1419 if not dsound.found()
1420 if get_option('dsound').enabled()
1421 error('DirectSound not found')
1426 coreaudio = not_found
1427 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1428 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1429 required: get_option('coreaudio'))
1433 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1434 epoxy = dependency('epoxy', method: 'pkg-config',
1435 required: get_option('opengl'))
1436 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1438 elif get_option('opengl').enabled()
1439 error('epoxy/egl.h not found')
1443 if (have_system or have_tools) and (virgl.found() or opengl.found())
1444 gbm = dependency('gbm', method: 'pkg-config', required: false)
1446 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1449 gnutls_crypto = not_found
1450 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1451 # For general TLS support our min gnutls matches
1452 # that implied by our platform support matrix
1454 # For the crypto backends, we look for a newer
1457 # Version 3.6.8 is needed to get XTS
1458 # Version 3.6.13 is needed to get PBKDF
1459 # Version 3.6.14 is needed to get HW accelerated XTS
1461 # If newer enough gnutls isn't available, we can
1462 # still use a different crypto backend to satisfy
1463 # the platform support requirements
1464 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1465 method: 'pkg-config',
1467 if gnutls_crypto.found()
1468 gnutls = gnutls_crypto
1470 # Our min version if all we need is TLS
1471 gnutls = dependency('gnutls', version: '>=3.5.18',
1472 method: 'pkg-config',
1473 required: get_option('gnutls'))
1477 # We prefer use of gnutls for crypto, unless the options
1478 # explicitly asked for nettle or gcrypt.
1480 # If gnutls isn't available for crypto, then we'll prefer
1481 # gcrypt over nettle for performance reasons.
1487 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1488 error('Only one of gcrypt & nettle can be enabled')
1491 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1492 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1493 gnutls_crypto = not_found
1496 if not gnutls_crypto.found()
1497 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1498 gcrypt = dependency('libgcrypt', version: '>=1.8',
1499 method: 'config-tool',
1500 required: get_option('gcrypt'))
1501 # Debian has removed -lgpg-error from libgcrypt-config
1502 # as it "spreads unnecessary dependencies" which in
1503 # turn breaks static builds...
1504 if gcrypt.found() and get_option('prefer_static')
1505 gcrypt = declare_dependency(dependencies:
1507 cc.find_library('gpg-error', required: true)],
1508 version: gcrypt.version())
1511 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1512 nettle = dependency('nettle', version: '>=3.4',
1513 method: 'pkg-config',
1514 required: get_option('nettle'))
1515 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1521 gmp = dependency('gmp', required: false, method: 'pkg-config')
1522 if nettle.found() and gmp.found()
1523 hogweed = dependency('hogweed', version: '>=3.4',
1524 method: 'pkg-config',
1525 required: get_option('nettle'))
1532 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1534 if get_option('gtk') \
1535 .disable_auto_if(not have_system) \
1536 .require(pixman.found(),
1537 error_message: 'cannot enable GTK if pixman is not available') \
1539 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1540 method: 'pkg-config',
1541 required: get_option('gtk'))
1543 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1544 method: 'pkg-config',
1546 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1547 version: gtk.version())
1549 if not get_option('vte').auto() or have_system
1550 vte = dependency('vte-2.91',
1551 method: 'pkg-config',
1552 required: get_option('vte'))
1554 elif have_gtk_clipboard
1555 error('GTK clipboard requested, but GTK not found')
1561 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1564 if get_option('png').allowed() and have_system
1565 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1566 method: 'pkg-config')
1571 if get_option('vnc') \
1572 .disable_auto_if(not have_system) \
1573 .require(pixman.found(),
1574 error_message: 'cannot enable VNC if pixman is not available') \
1576 vnc = declare_dependency() # dummy dependency
1577 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1578 method: 'pkg-config')
1579 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1580 required: get_option('vnc_sasl'))
1582 sasl = declare_dependency(dependencies: sasl,
1583 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1588 if not get_option('auth_pam').auto() or have_system
1589 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1590 required: get_option('auth_pam'))
1592 if pam.found() and not cc.links('''
1594 #include <security/pam_appl.h>
1596 const char *service_name = "qemu";
1597 const char *user = "frank";
1598 const struct pam_conv pam_conv = { 0 };
1599 pam_handle_t *pamh = NULL;
1600 pam_start(service_name, user, &pam_conv, &pamh);
1602 }''', dependencies: pam)
1604 if get_option('auth_pam').enabled()
1605 error('could not link libpam')
1607 warning('could not link libpam, disabling')
1612 if not get_option('snappy').auto() or have_system
1613 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1614 required: get_option('snappy'))
1616 if snappy.found() and not cc.links('''
1617 #include <snappy-c.h>
1618 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1620 if get_option('snappy').enabled()
1621 error('could not link libsnappy')
1623 warning('could not link libsnappy, disabling')
1628 if not get_option('lzo').auto() or have_system
1629 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1630 required: get_option('lzo'))
1632 if lzo.found() and not cc.links('''
1633 #include <lzo/lzo1x.h>
1634 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1636 if get_option('lzo').enabled()
1637 error('could not link liblzo2')
1639 warning('could not link liblzo2, disabling')
1644 if not get_option('numa').auto() or have_system or have_tools
1645 numa = cc.find_library('numa', has_headers: ['numa.h'],
1646 required: get_option('numa'))
1648 if numa.found() and not cc.links('''
1650 int main(void) { return numa_available(); }
1651 ''', dependencies: numa)
1653 if get_option('numa').enabled()
1654 error('could not link numa')
1656 warning('could not link numa, disabling')
1661 if not get_option('rdma').auto() or have_system
1662 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1663 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1664 required: get_option('rdma')),
1665 cc.find_library('ibverbs', required: get_option('rdma')),
1667 rdma = declare_dependency(dependencies: rdma_libs)
1668 foreach lib: rdma_libs
1676 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1677 xencontrol = dependency('xencontrol', required: false,
1678 method: 'pkg-config')
1679 if xencontrol.found()
1680 xen_pc = declare_dependency(version: xencontrol.version(),
1683 # disabler: true makes xen_pc.found() return false if any is not found
1684 dependency('xenstore', required: false,
1685 method: 'pkg-config',
1687 dependency('xenforeignmemory', required: false,
1688 method: 'pkg-config',
1690 dependency('xengnttab', required: false,
1691 method: 'pkg-config',
1693 dependency('xenevtchn', required: false,
1694 method: 'pkg-config',
1696 dependency('xendevicemodel', required: false,
1697 method: 'pkg-config',
1699 # optional, no "disabler: true"
1700 dependency('xentoolcore', required: false,
1701 method: 'pkg-config')])
1707 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1709 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1710 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1711 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1712 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1713 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1716 foreach ver: xen_tests
1717 # cache the various library tests to avoid polluting the logs
1719 foreach l: xen_libs[ver]
1720 if l not in xen_deps
1721 xen_deps += { l: cc.find_library(l, required: false) }
1723 xen_test_deps += xen_deps[l]
1726 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1727 xen_version = ver.split('.')
1728 xen_ctrl_version = xen_version[0] + \
1729 ('0' + xen_version[1]).substring(-2) + \
1730 ('0' + xen_version[2]).substring(-2)
1731 if cc.links(files('scripts/xen-detect.c'),
1732 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1733 dependencies: xen_test_deps)
1734 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1740 accelerators += 'CONFIG_XEN'
1741 elif get_option('xen').enabled()
1742 error('could not compile and link Xen test program')
1745 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1746 .require(xen.found(),
1747 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1748 .require(targetos == 'linux',
1749 error_message: 'Xen PCI passthrough not available on this platform') \
1750 .require(cpu == 'x86' or cpu == 'x86_64',
1751 error_message: 'Xen PCI passthrough not available on this platform') \
1756 if not get_option('smartcard').auto() or have_system
1757 cacard = dependency('libcacard', required: get_option('smartcard'),
1758 version: '>=2.5.1', method: 'pkg-config')
1762 u2f = dependency('u2f-emu', required: get_option('u2f'),
1763 method: 'pkg-config')
1767 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1768 method: 'pkg-config')
1770 usbredir = not_found
1771 if not get_option('usb_redir').auto() or have_system
1772 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1773 version: '>=0.6', method: 'pkg-config')
1776 if not get_option('libusb').auto() or have_system
1777 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1778 version: '>=1.0.13', method: 'pkg-config')
1782 if not get_option('libpmem').auto() or have_system
1783 libpmem = dependency('libpmem', required: get_option('libpmem'),
1784 method: 'pkg-config')
1786 libdaxctl = not_found
1787 if not get_option('libdaxctl').auto() or have_system
1788 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1789 version: '>=57', method: 'pkg-config')
1793 tasn1 = dependency('libtasn1',
1794 method: 'pkg-config')
1796 keyutils = not_found
1797 if not get_option('libkeyutils').auto() or have_block
1798 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1799 method: 'pkg-config')
1802 has_gettid = cc.has_function('gettid')
1805 selinux = dependency('libselinux',
1806 required: get_option('selinux'),
1807 method: 'pkg-config')
1812 if get_option('malloc') == 'system'
1814 get_option('malloc_trim').allowed() and \
1815 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1817 has_malloc_trim = false
1818 malloc = cc.find_library(get_option('malloc'), required: true)
1820 if not has_malloc_trim and get_option('malloc_trim').enabled()
1821 if get_option('malloc') == 'system'
1822 error('malloc_trim not available on this platform.')
1824 error('malloc_trim not available with non-libc memory allocator')
1828 gnu_source_prefix = '''
1834 # Check whether the glibc provides STATX_BASIC_STATS
1836 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1838 # Check whether statx() provides mount ID information
1840 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1842 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1843 .require(targetos == 'linux',
1844 error_message: 'vhost_user_blk_server requires linux') \
1845 .require(have_vhost_user,
1846 error_message: 'vhost_user_blk_server requires vhost-user support') \
1847 .disable_auto_if(not have_tools and not have_system) \
1850 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1851 error('Cannot enable fuse-lseek while fuse is disabled')
1854 fuse = dependency('fuse3', required: get_option('fuse'),
1855 version: '>=3.1', method: 'pkg-config')
1857 fuse_lseek = not_found
1858 if get_option('fuse_lseek').allowed()
1859 if fuse.version().version_compare('>=3.8')
1861 fuse_lseek = declare_dependency()
1862 elif get_option('fuse_lseek').enabled()
1864 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1866 error('fuse-lseek requires libfuse, which was not found')
1871 have_libvduse = (targetos == 'linux')
1872 if get_option('libvduse').enabled()
1873 if targetos != 'linux'
1874 error('libvduse requires linux')
1876 elif get_option('libvduse').disabled()
1877 have_libvduse = false
1880 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1881 if get_option('vduse_blk_export').enabled()
1882 if targetos != 'linux'
1883 error('vduse_blk_export requires linux')
1884 elif not have_libvduse
1885 error('vduse_blk_export requires libvduse support')
1887 elif get_option('vduse_blk_export').disabled()
1888 have_vduse_blk_export = false
1892 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1893 if libbpf.found() and not cc.links('''
1894 #include <bpf/libbpf.h>
1897 bpf_object__destroy_skeleton(NULL);
1899 }''', dependencies: libbpf)
1901 if get_option('bpf').enabled()
1902 error('libbpf skeleton test failed')
1904 warning('libbpf skeleton test failed, disabling')
1910 if not get_option('af_xdp').auto() or have_system
1911 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1912 version: '>=1.4.0', method: 'pkg-config')
1917 if not get_option('libdw').auto() or \
1918 (not get_option('prefer_static') and (have_system or have_user))
1919 libdw = dependency('libdw',
1920 method: 'pkg-config',
1921 required: get_option('libdw'))
1928 audio_drivers_selected = []
1930 audio_drivers_available = {
1931 'alsa': alsa.found(),
1932 'coreaudio': coreaudio.found(),
1933 'dsound': dsound.found(),
1934 'jack': jack.found(),
1936 'pa': pulse.found(),
1937 'pipewire': pipewire.found(),
1939 'sndio': sndio.found(),
1941 foreach k, v: audio_drivers_available
1942 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1945 # Default to native drivers first, OSS second, SDL third
1946 audio_drivers_priority = \
1947 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1948 (targetos == 'linux' ? [] : [ 'sdl' ])
1949 audio_drivers_default = []
1950 foreach k: audio_drivers_priority
1951 if audio_drivers_available[k]
1952 audio_drivers_default += k
1956 foreach k: get_option('audio_drv_list')
1958 audio_drivers_selected += audio_drivers_default
1959 elif not audio_drivers_available[k]
1960 error('Audio driver "@0@" not available.'.format(k))
1962 audio_drivers_selected += k
1966 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1967 '"' + '", "'.join(audio_drivers_selected) + '", ')
1969 if get_option('cfi')
1971 # Check for dependency on LTO
1972 if not get_option('b_lto')
1973 error('Selected Control-Flow Integrity but LTO is disabled')
1976 error('Selected Control-Flow Integrity is not compatible with modules')
1978 # Check for cfi flags. CFI requires LTO so we can't use
1979 # get_supported_arguments, but need a more complex "compiles" which allows
1981 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1982 args: ['-flto', '-fsanitize=cfi-icall'] )
1983 cfi_flags += '-fsanitize=cfi-icall'
1985 error('-fsanitize=cfi-icall is not supported by the compiler')
1987 if cc.compiles('int main () { return 0; }',
1988 name: '-fsanitize-cfi-icall-generalize-pointers',
1989 args: ['-flto', '-fsanitize=cfi-icall',
1990 '-fsanitize-cfi-icall-generalize-pointers'] )
1991 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1993 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1995 if get_option('cfi_debug')
1996 if cc.compiles('int main () { return 0; }',
1997 name: '-fno-sanitize-trap=cfi-icall',
1998 args: ['-flto', '-fsanitize=cfi-icall',
1999 '-fno-sanitize-trap=cfi-icall'] )
2000 cfi_flags += '-fno-sanitize-trap=cfi-icall'
2002 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
2005 add_global_arguments(cfi_flags, native: false, language: all_languages)
2006 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
2009 have_host_block_device = (targetos != 'darwin' or
2010 cc.has_header('IOKit/storage/IOMedia.h'))
2012 dbus_display = get_option('dbus_display') \
2013 .require(gio.version().version_compare('>=2.64'),
2014 error_message: '-display dbus requires glib>=2.64') \
2015 .require(gdbus_codegen.found(),
2016 error_message: gdbus_codegen_error.format('-display dbus')) \
2019 have_virtfs = get_option('virtfs') \
2020 .require(targetos == 'linux' or targetos == 'darwin',
2021 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2022 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2023 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2024 .require(targetos == 'darwin' or libattr.found(),
2025 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2026 .disable_auto_if(not have_tools and not have_system) \
2029 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2030 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2031 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2032 .disable_auto_if(not have_tools) \
2033 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2036 if get_option('block_drv_ro_whitelist') == ''
2037 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2039 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2040 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2042 if get_option('block_drv_rw_whitelist') == ''
2043 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2045 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2046 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2049 foreach k : get_option('trace_backends')
2050 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2052 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2053 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2055 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2057 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2058 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2059 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2060 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2061 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2063 qemu_firmwarepath = ''
2064 foreach k : get_option('qemu_firmwarepath')
2065 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2067 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2069 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2070 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2071 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2072 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2073 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2074 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2077 config_host_data.set('CONFIG_STAMP', run_command(
2078 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2079 meson.project_version(), get_option('pkgversion'), '--',
2080 meson.current_source_dir() / 'configure',
2081 capture: true, check: true).stdout().strip())
2084 have_slirp_smbd = get_option('slirp_smbd') \
2085 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2088 smbd_path = get_option('smbd')
2090 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2092 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2095 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2097 if get_option('module_upgrades') and not enable_modules
2098 error('Cannot enable module-upgrades as modules are not enabled')
2100 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2102 config_host_data.set('CONFIG_ATTR', libattr.found())
2103 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2104 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2105 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2106 config_host_data.set('CONFIG_COCOA', cocoa.found())
2107 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2108 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2109 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2110 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2111 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2112 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2113 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2114 config_host_data.set('CONFIG_LZO', lzo.found())
2115 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2116 config_host_data.set('CONFIG_BLKIO', blkio.found())
2118 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2119 blkio.version().version_compare('>=1.3.0'))
2121 config_host_data.set('CONFIG_CURL', curl.found())
2122 config_host_data.set('CONFIG_CURSES', curses.found())
2123 config_host_data.set('CONFIG_GBM', gbm.found())
2124 config_host_data.set('CONFIG_GIO', gio.found())
2125 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2126 if glusterfs.found()
2127 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2128 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2129 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2130 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2131 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2132 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2134 config_host_data.set('CONFIG_GTK', gtk.found())
2135 config_host_data.set('CONFIG_VTE', vte.found())
2136 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2137 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2138 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2139 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2140 config_host_data.set('CONFIG_EBPF', libbpf.found())
2141 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2142 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2143 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2144 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2145 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2146 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2147 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2148 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2149 config_host_data.set('CONFIG_MODULES', enable_modules)
2150 config_host_data.set('CONFIG_NUMA', numa.found())
2152 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2153 cc.has_function('numa_has_preferred_many',
2154 dependencies: numa))
2156 config_host_data.set('CONFIG_OPENGL', opengl.found())
2157 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2158 config_host_data.set('CONFIG_RBD', rbd.found())
2159 config_host_data.set('CONFIG_RDMA', rdma.found())
2160 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2161 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2162 config_host_data.set('CONFIG_SDL', sdl.found())
2163 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2164 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2166 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2168 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2169 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2170 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2171 if get_option('tcg').allowed()
2172 config_host_data.set('CONFIG_TCG', 1)
2173 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2175 config_host_data.set('CONFIG_TPM', have_tpm)
2176 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2177 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2178 config_host_data.set('CONFIG_VDE', vde.found())
2179 config_host_data.set('CONFIG_VHOST', have_vhost)
2180 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2181 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2182 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2183 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2184 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2185 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2186 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2187 config_host_data.set('CONFIG_VMNET', vmnet.found())
2188 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2189 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2190 config_host_data.set('CONFIG_PNG', png.found())
2191 config_host_data.set('CONFIG_VNC', vnc.found())
2192 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2193 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2194 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2195 config_host_data.set('CONFIG_VTE', vte.found())
2196 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2197 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2198 config_host_data.set('CONFIG_GETTID', has_gettid)
2199 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2200 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2201 config_host_data.set('CONFIG_TASN1', tasn1.found())
2202 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2203 config_host_data.set('CONFIG_NETTLE', nettle.found())
2204 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2205 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2206 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2207 config_host_data.set('CONFIG_STATX', has_statx)
2208 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2209 config_host_data.set('CONFIG_ZSTD', zstd.found())
2210 config_host_data.set('CONFIG_FUSE', fuse.found())
2211 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2212 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2213 if spice_protocol.found()
2214 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2215 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2216 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2218 config_host_data.set('CONFIG_SPICE', spice.found())
2219 config_host_data.set('CONFIG_X11', x11.found())
2220 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2221 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2222 config_host_data.set('CONFIG_SELINUX', selinux.found())
2223 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2224 config_host_data.set('CONFIG_LIBDW', libdw.found())
2226 # protect from xen.version() having less than three components
2227 xen_version = xen.version().split('.') + ['0', '0']
2228 xen_ctrl_version = xen_version[0] + \
2229 ('0' + xen_version[1]).substring(-2) + \
2230 ('0' + xen_version[2]).substring(-2)
2231 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2233 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2234 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2235 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2236 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2238 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2239 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2241 have_coroutine_pool = get_option('coroutine_pool')
2242 if get_option('debug_stack_usage') and have_coroutine_pool
2243 message('Disabling coroutine pool to measure stack usage')
2244 have_coroutine_pool = false
2246 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2247 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2248 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2249 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2250 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2251 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2252 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2253 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2256 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2257 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2258 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2259 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2260 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2261 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2262 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2263 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2264 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2265 if targetos == 'windows'
2266 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2270 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2271 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2272 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2273 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2274 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2275 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2276 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2277 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2278 # Note that we need to specify prefix: here to avoid incorrectly
2279 # thinking that Windows has posix_memalign()
2280 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2281 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2282 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2283 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2284 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2285 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2286 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2287 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2288 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2289 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2290 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2291 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2292 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2293 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2294 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2295 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2296 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2297 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2299 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2300 cc.has_function('rbd_namespace_exists',
2302 prefix: '#include <rbd/librbd.h>'))
2305 config_host_data.set('HAVE_IBV_ADVISE_MR',
2306 cc.has_function('ibv_advise_mr',
2308 prefix: '#include <infiniband/verbs.h>'))
2311 have_asan_fiber = false
2312 if get_option('sanitizers') and \
2313 not cc.has_function('__sanitizer_start_switch_fiber',
2314 args: '-fsanitize=address',
2315 prefix: '#include <sanitizer/asan_interface.h>')
2316 warning('Missing ASAN due to missing fiber annotation interface')
2317 warning('Without code annotation, the report may be inferior.')
2319 have_asan_fiber = true
2321 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2324 config_host_data.set('CONFIG_BLKZONED',
2325 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2326 config_host_data.set('CONFIG_EPOLL_CREATE1',
2327 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2328 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2329 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2330 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2331 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2332 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2333 config_host_data.set('CONFIG_FIEMAP',
2334 cc.has_header('linux/fiemap.h') and
2335 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2336 config_host_data.set('CONFIG_GETRANDOM',
2337 cc.has_function('getrandom') and
2338 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2339 config_host_data.set('CONFIG_INOTIFY',
2340 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2341 config_host_data.set('CONFIG_INOTIFY1',
2342 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2343 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2344 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2345 config_host_data.set('CONFIG_RTNETLINK',
2346 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2347 config_host_data.set('CONFIG_SYSMACROS',
2348 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2349 config_host_data.set('HAVE_OPTRESET',
2350 cc.has_header_symbol('getopt.h', 'optreset'))
2351 config_host_data.set('HAVE_IPPROTO_MPTCP',
2352 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2355 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2356 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2357 prefix: '#include <signal.h>'))
2358 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2359 cc.has_member('struct stat', 'st_atim',
2360 prefix: '#include <sys/stat.h>'))
2361 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2362 cc.has_member('struct blk_zone', 'capacity',
2363 prefix: '#include <linux/blkzoned.h>'))
2366 config_host_data.set('CONFIG_IOVEC',
2367 cc.has_type('struct iovec',
2368 prefix: '#include <sys/uio.h>'))
2369 config_host_data.set('HAVE_UTMPX',
2370 cc.has_type('struct utmpx',
2371 prefix: '#include <utmpx.h>'))
2373 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2374 #include <sys/eventfd.h>
2375 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2376 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2379 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2380 return fdatasync(0);
2382 #error Not supported
2386 has_madvise = cc.links(gnu_source_prefix + '''
2387 #include <sys/types.h>
2388 #include <sys/mman.h>
2390 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2391 missing_madvise_proto = false
2393 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2394 # but forget to prototype it. In this case, has_madvise will be true (the
2395 # test program links despite a compile warning). To detect the
2396 # missing-prototype case, we try again with a definitely-bogus prototype.
2397 # This will only compile if the system headers don't provide the prototype;
2398 # otherwise the conflicting prototypes will cause a compiler error.
2399 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2400 #include <sys/types.h>
2401 #include <sys/mman.h>
2403 extern int madvise(int);
2404 int main(void) { return madvise(0); }''')
2406 config_host_data.set('CONFIG_MADVISE', has_madvise)
2407 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2409 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2410 #include <sys/mman.h>
2411 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2412 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2414 #if !defined(AT_EMPTY_PATH)
2415 # error missing definition
2417 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2419 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2420 #include <sys/mman.h>
2422 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2424 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2425 #include <pthread.h>
2427 static void *f(void *p) { return NULL; }
2431 pthread_create(&thread, 0, f, 0);
2432 pthread_setname_np(thread, "QEMU");
2434 }''', dependencies: threads))
2435 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2436 #include <pthread.h>
2438 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2442 pthread_create(&thread, 0, f, 0);
2444 }''', dependencies: threads))
2445 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2446 #include <pthread.h>
2447 #include <pthread_np.h>
2449 static void *f(void *p) { return NULL; }
2453 pthread_create(&thread, 0, f, 0);
2454 pthread_set_name_np(thread, "QEMU");
2456 }''', dependencies: threads))
2457 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2458 #include <pthread.h>
2463 pthread_condattr_t attr
2464 pthread_condattr_init(&attr);
2465 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2467 }''', dependencies: threads))
2468 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2469 #include <pthread.h>
2471 static void *f(void *p) { return NULL; }
2474 int setsize = CPU_ALLOC_SIZE(64);
2477 pthread_create(&thread, 0, f, 0);
2478 cpuset = CPU_ALLOC(64);
2479 CPU_ZERO_S(setsize, cpuset);
2480 pthread_setaffinity_np(thread, setsize, cpuset);
2481 pthread_getaffinity_np(thread, setsize, cpuset);
2484 }''', dependencies: threads))
2485 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2486 #include <sys/signalfd.h>
2488 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2489 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2497 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2498 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2502 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2503 #include <sys/mman.h>
2505 return mlockall(MCL_FUTURE);
2509 if get_option('l2tpv3').allowed() and have_system
2510 have_l2tpv3 = cc.has_type('struct mmsghdr',
2511 prefix: gnu_source_prefix + '''
2512 #include <sys/socket.h>
2513 #include <linux/ip.h>''')
2515 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2518 if get_option('netmap').allowed() and have_system
2519 have_netmap = cc.compiles('''
2520 #include <inttypes.h>
2522 #include <net/netmap.h>
2523 #include <net/netmap_user.h>
2524 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2527 int main(void) { return 0; }''')
2528 if not have_netmap and get_option('netmap').enabled()
2529 error('Netmap headers not available')
2532 config_host_data.set('CONFIG_NETMAP', have_netmap)
2534 # Work around a system header bug with some kernel/XFS header
2535 # versions where they both try to define 'struct fsxattr':
2536 # xfs headers will not try to redefine structs from linux headers
2537 # if this macro is set.
2538 config_host_data.set('HAVE_FSXATTR', cc.links('''
2539 #include <linux/fs.h>
2545 # Some versions of Mac OS X incorrectly define SIZE_MAX
2546 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2550 return printf("%zu", SIZE_MAX);
2551 }''', args: ['-Werror']))
2553 # See if 64-bit atomic operations are supported.
2554 # Note that without __atomic builtins, we can only
2555 # assume atomic loads/stores max at pointer size.
2556 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2560 uint64_t x = 0, y = 0;
2561 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2562 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2563 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2564 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2565 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2569 has_int128_type = cc.compiles('''
2572 int main(void) { b = a; }''')
2573 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2575 has_int128 = has_int128_type and cc.links('''
2584 config_host_data.set('CONFIG_INT128', has_int128)
2587 # "do we have 128-bit atomics which are handled inline and specifically not
2588 # via libatomic". The reason we can't use libatomic is documented in the
2589 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2590 # We only care about these operations on 16-byte aligned pointers, so
2591 # force 16-byte alignment of the pointer, which may be greater than
2592 # __alignof(unsigned __int128) for the host.
2593 atomic_test_128 = '''
2594 int main(int ac, char **av) {
2595 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2596 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2597 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2598 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2601 has_atomic128 = cc.links(atomic_test_128)
2603 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2605 if not has_atomic128
2606 # Even with __builtin_assume_aligned, the above test may have failed
2607 # without optimization enabled. Try again with optimizations locally
2608 # enabled for the function. See
2609 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2610 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2611 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2613 if not has_atomic128_opt
2614 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2617 __uint128_t x = 0, y = 0;
2618 __sync_val_compare_and_swap_16(&x, y, x);
2626 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2627 #include <sys/auxv.h>
2629 return getauxval(AT_HWCAP) == 0;
2632 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2633 #include <linux/usbdevice_fs.h>
2635 #ifndef USBDEVFS_GET_CAPABILITIES
2636 #error "USBDEVFS_GET_CAPABILITIES undefined"
2639 #ifndef USBDEVFS_DISCONNECT_CLAIM
2640 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2643 int main(void) { return 0; }'''))
2645 have_keyring = get_option('keyring') \
2646 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2647 .require(cc.compiles('''
2649 #include <asm/unistd.h>
2650 #include <linux/keyctl.h>
2651 #include <sys/syscall.h>
2654 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2655 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2656 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2658 have_cpuid_h = cc.links('''
2661 unsigned a, b, c, d;
2662 unsigned max = __get_cpuid_max(0, 0);
2665 __cpuid(1, a, b, c, d);
2669 __cpuid_count(7, 0, a, b, c, d);
2674 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2676 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2677 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2678 .require(cc.links('''
2680 #include <immintrin.h>
2681 static int __attribute__((target("avx2"))) bar(void *a) {
2682 __m256i x = *(__m256i *)a;
2683 return _mm256_testz_si256(x, x);
2685 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2686 '''), error_message: 'AVX2 not available').allowed())
2688 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2689 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2690 .require(cc.links('''
2692 #include <immintrin.h>
2693 static int __attribute__((target("avx512f"))) bar(void *a) {
2694 __m512i x = *(__m512i *)a;
2695 return _mm512_test_epi64_mask(x, x);
2697 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2698 '''), error_message: 'AVX512F not available').allowed())
2700 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2701 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2702 .require(cc.links('''
2704 #include <immintrin.h>
2705 static int __attribute__((target("avx512bw"))) bar(void *a) {
2707 __m512i res= _mm512_abs_epi8(*x);
2710 int main(int argc, char *argv[]) { return bar(argv[0]); }
2711 '''), error_message: 'AVX512BW not available').allowed())
2713 # For both AArch64 and AArch32, detect if builtins are available.
2714 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2715 #include <arm_neon.h>
2716 #ifndef __ARM_FEATURE_AES
2717 __attribute__((target("+crypto")))
2719 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2722 have_pvrdma = get_option('pvrdma') \
2723 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2724 .require(cc.compiles(gnu_source_prefix + '''
2725 #include <sys/mman.h>
2730 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2733 }'''), error_message: 'PVRDMA requires mremap').allowed()
2736 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2737 #include <infiniband/verbs.h>
2741 struct ibv_pd *pd = NULL;
2747 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2753 if get_option('membarrier').disabled()
2754 have_membarrier = false
2755 elif targetos == 'windows'
2756 have_membarrier = true
2757 elif targetos == 'linux'
2758 have_membarrier = cc.compiles('''
2759 #include <linux/membarrier.h>
2760 #include <sys/syscall.h>
2764 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2765 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2769 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2770 .require(have_membarrier, error_message: 'membarrier system call not available') \
2773 have_afalg = get_option('crypto_afalg') \
2774 .require(cc.compiles(gnu_source_prefix + '''
2776 #include <sys/types.h>
2777 #include <sys/socket.h>
2778 #include <linux/if_alg.h>
2781 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2784 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2785 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2787 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2788 'linux/vm_sockets.h', 'AF_VSOCK',
2789 prefix: '#include <sys/socket.h>',
2793 have_vss_sdk = false # old xp/2003 SDK
2794 if targetos == 'windows' and 'cpp' in all_languages
2795 have_vss = cxx.compiles('''
2796 #define __MIDL_user_allocate_free_DEFINED__
2798 int main(void) { return VSS_CTX_BACKUP; }''')
2799 have_vss_sdk = cxx.has_header('vscoordint.h')
2801 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2803 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2804 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2805 if targetos == 'windows'
2806 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2812 }''', name: '_lock_file and _unlock_file'))
2815 if targetos == 'windows'
2816 mingw_has_setjmp_longjmp = cc.links('''
2820 * These functions are not available in setjmp header, but may be
2821 * available at link time, from libmingwex.a.
2823 extern int __mingw_setjmp(jmp_buf);
2824 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2826 __mingw_setjmp(env);
2827 __mingw_longjmp(env, 0);
2829 ''', name: 'mingw setjmp and longjmp')
2831 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2832 error('mingw must provide setjmp/longjmp for windows-arm64')
2836 ########################
2837 # Target configuration #
2838 ########################
2840 minikconf = find_program('scripts/minikconf.py')
2842 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2844 if targetos == 'darwin'
2845 config_targetos += {'CONFIG_DARWIN': 'y'}
2846 elif targetos == 'linux'
2847 config_targetos += {'CONFIG_LINUX': 'y'}
2849 if targetos in bsd_oses
2850 config_targetos += {'CONFIG_BSD': 'y'}
2854 config_all_devices = {}
2855 config_all_disas = {}
2856 config_devices_mak_list = []
2857 config_devices_h = {}
2858 config_target_h = {}
2859 config_target_mak = {}
2862 'alpha' : ['CONFIG_ALPHA_DIS'],
2863 'avr' : ['CONFIG_AVR_DIS'],
2864 'cris' : ['CONFIG_CRIS_DIS'],
2865 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2866 'hppa' : ['CONFIG_HPPA_DIS'],
2867 'i386' : ['CONFIG_I386_DIS'],
2868 'x86_64' : ['CONFIG_I386_DIS'],
2869 'm68k' : ['CONFIG_M68K_DIS'],
2870 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2871 'mips' : ['CONFIG_MIPS_DIS'],
2872 'nios2' : ['CONFIG_NIOS2_DIS'],
2873 'or1k' : ['CONFIG_OPENRISC_DIS'],
2874 'ppc' : ['CONFIG_PPC_DIS'],
2875 'riscv' : ['CONFIG_RISCV_DIS'],
2876 'rx' : ['CONFIG_RX_DIS'],
2877 's390' : ['CONFIG_S390_DIS'],
2878 'sh4' : ['CONFIG_SH4_DIS'],
2879 'sparc' : ['CONFIG_SPARC_DIS'],
2880 'xtensa' : ['CONFIG_XTENSA_DIS'],
2881 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2884 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2886 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2887 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2888 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2889 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2890 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2891 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2892 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2893 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2894 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2895 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2896 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2897 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2898 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2899 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2900 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2901 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2903 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2905 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2906 actual_target_dirs = []
2908 foreach target : target_dirs
2909 config_target = { 'TARGET_NAME': target.split('-')[0] }
2910 if target.endswith('linux-user')
2911 if targetos != 'linux'
2915 error('Target @0@ is only available on a Linux host'.format(target))
2917 config_target += { 'CONFIG_LINUX_USER': 'y' }
2918 elif target.endswith('bsd-user')
2919 if targetos not in bsd_oses
2923 error('Target @0@ is only available on a BSD host'.format(target))
2925 config_target += { 'CONFIG_BSD_USER': 'y' }
2926 elif target.endswith('softmmu')
2927 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2928 config_target += { 'CONFIG_SOFTMMU': 'y' }
2930 if target.endswith('-user')
2932 'CONFIG_USER_ONLY': 'y',
2933 'CONFIG_QEMU_INTERP_PREFIX':
2934 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2939 foreach sym: accelerators
2940 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2941 config_target += { sym: 'y' }
2942 config_all += { sym: 'y' }
2943 if target in modular_tcg
2944 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2946 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2948 accel_kconfig += [ sym + '=y' ]
2951 if accel_kconfig.length() == 0
2955 error('No accelerator available for target @0@'.format(target))
2958 actual_target_dirs += target
2959 config_target += keyval.load('configs/targets' / target + '.mak')
2960 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2962 if 'TARGET_NEED_FDT' in config_target
2963 fdt_required += target
2967 if 'TARGET_BASE_ARCH' not in config_target
2968 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2970 if 'TARGET_ABI_DIR' not in config_target
2971 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2973 if 'TARGET_BIG_ENDIAN' not in config_target
2974 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2977 foreach k, v: disassemblers
2978 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2980 config_target += { sym: 'y' }
2981 config_all_disas += { sym: 'y' }
2986 config_target_data = configuration_data()
2987 foreach k, v: config_target
2988 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2990 elif ignored.contains(k)
2992 elif k == 'TARGET_BASE_ARCH'
2993 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2994 # not used to select files from sourcesets.
2995 config_target_data.set('TARGET_' + v.to_upper(), 1)
2996 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2997 config_target_data.set_quoted(k, v)
2999 config_target_data.set(k, 1)
3001 config_target_data.set(k, 0)
3003 config_target_data.set(k, v)
3006 config_target_data.set('QEMU_ARCH',
3007 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3008 config_target_h += {target: configure_file(output: target + '-config-target.h',
3009 configuration: config_target_data)}
3011 if target.endswith('-softmmu')
3012 config_input = meson.get_external_property(target, 'default')
3013 config_devices_mak = target + '-config-devices.mak'
3014 config_devices_mak = configure_file(
3015 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3016 output: config_devices_mak,
3017 depfile: config_devices_mak + '.d',
3019 command: [minikconf,
3020 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3021 config_devices_mak, '@DEPFILE@', '@INPUT@',
3022 host_kconfig, accel_kconfig,
3023 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3025 config_devices_data = configuration_data()
3026 config_devices = keyval.load(config_devices_mak)
3027 foreach k, v: config_devices
3028 config_devices_data.set(k, 1)
3030 config_devices_mak_list += config_devices_mak
3031 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3032 configuration: config_devices_data)}
3033 config_target += config_devices
3034 config_all_devices += config_devices
3036 config_target_mak += {target: config_target}
3038 target_dirs = actual_target_dirs
3040 # This configuration is used to build files that are shared by
3041 # multiple binaries, and then extracted out of the "common"
3042 # static_library target.
3044 # We do not use all_sources()/all_dependencies(), because it would
3045 # build literally all source files, including devices only used by
3046 # targets that are not built for this compilation. The CONFIG_ALL
3047 # pseudo symbol replaces it.
3049 config_all += config_all_devices
3050 config_all += config_targetos
3051 config_all += config_all_disas
3053 'CONFIG_XEN': xen.found(),
3054 'CONFIG_SYSTEM_ONLY': have_system,
3055 'CONFIG_USER_ONLY': have_user,
3059 target_configs_h = []
3060 foreach target: target_dirs
3061 target_configs_h += config_target_h[target]
3062 target_configs_h += config_devices_h.get(target, [])
3064 genh += custom_target('config-poison.h',
3065 input: [target_configs_h],
3066 output: 'config-poison.h',
3068 command: [find_program('scripts/make-config-poison.sh'),
3075 capstone = not_found
3076 if not get_option('capstone').auto() or have_system or have_user
3077 capstone = dependency('capstone', version: '>=3.0.5',
3078 method: 'pkg-config',
3079 required: get_option('capstone'))
3081 # Some versions of capstone have broken pkg-config file
3082 # that reports a wrong -I path, causing the #include to
3083 # fail later. If the system has such a broken version
3085 if capstone.found() and not cc.compiles('#include <capstone.h>',
3086 dependencies: [capstone])
3087 capstone = not_found
3088 if get_option('capstone').enabled()
3089 error('capstone requested, but it does not appear to work')
3094 libvfio_user_dep = not_found
3095 if have_system and vfio_user_server_allowed
3096 libvfio_user_proj = subproject('libvfio-user', required: true)
3097 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3101 fdt_opt = get_option('fdt')
3102 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3103 if fdt_opt == 'disabled'
3104 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3107 if fdt_opt in ['enabled', 'auto', 'system']
3108 if get_option('wrap_mode') == 'nodownload'
3111 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3112 if fdt.found() and cc.links('''
3114 #include <libfdt_env.h>
3115 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3118 elif fdt_opt == 'system'
3119 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3121 fdt_opt = 'internal'
3126 assert(fdt_opt == 'internal')
3127 libfdt_proj = subproject('dtc', required: true,
3128 default_options: ['tools=false', 'yaml=disabled',
3129 'python=disabled', 'default_library=static'])
3130 fdt = libfdt_proj.get_variable('libfdt_dep')
3133 fdt_opt = 'disabled'
3136 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3137 config_host_data.set('CONFIG_FDT', fdt.found())
3138 config_host_data.set('CONFIG_SLIRP', slirp.found())
3140 #####################
3141 # Generated sources #
3142 #####################
3144 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3146 hxtool = find_program('scripts/hxtool')
3147 shaderinclude = find_program('scripts/shaderinclude.py')
3148 qapi_gen = find_program('scripts/qapi-gen.py')
3149 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3150 meson.current_source_dir() / 'scripts/qapi/commands.py',
3151 meson.current_source_dir() / 'scripts/qapi/common.py',
3152 meson.current_source_dir() / 'scripts/qapi/error.py',
3153 meson.current_source_dir() / 'scripts/qapi/events.py',
3154 meson.current_source_dir() / 'scripts/qapi/expr.py',
3155 meson.current_source_dir() / 'scripts/qapi/gen.py',
3156 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3157 meson.current_source_dir() / 'scripts/qapi/main.py',
3158 meson.current_source_dir() / 'scripts/qapi/parser.py',
3159 meson.current_source_dir() / 'scripts/qapi/schema.py',
3160 meson.current_source_dir() / 'scripts/qapi/source.py',
3161 meson.current_source_dir() / 'scripts/qapi/types.py',
3162 meson.current_source_dir() / 'scripts/qapi/visit.py',
3163 meson.current_source_dir() / 'scripts/qapi-gen.py'
3167 python, files('scripts/tracetool.py'),
3168 '--backend=' + ','.join(get_option('trace_backends'))
3170 tracetool_depends = files(
3171 'scripts/tracetool/backend/log.py',
3172 'scripts/tracetool/backend/__init__.py',
3173 'scripts/tracetool/backend/dtrace.py',
3174 'scripts/tracetool/backend/ftrace.py',
3175 'scripts/tracetool/backend/simple.py',
3176 'scripts/tracetool/backend/syslog.py',
3177 'scripts/tracetool/backend/ust.py',
3178 'scripts/tracetool/format/ust_events_c.py',
3179 'scripts/tracetool/format/ust_events_h.py',
3180 'scripts/tracetool/format/__init__.py',
3181 'scripts/tracetool/format/d.py',
3182 'scripts/tracetool/format/simpletrace_stap.py',
3183 'scripts/tracetool/format/c.py',
3184 'scripts/tracetool/format/h.py',
3185 'scripts/tracetool/format/log_stap.py',
3186 'scripts/tracetool/format/stap.py',
3187 'scripts/tracetool/__init__.py',
3188 'scripts/tracetool/vcpu.py'
3191 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3192 meson.current_source_dir(),
3193 get_option('pkgversion'), meson.project_version()]
3194 qemu_version = custom_target('qemu-version.h',
3195 output: 'qemu-version.h',
3196 command: qemu_version_cmd,
3198 build_by_default: true,
3199 build_always_stale: true)
3200 genh += qemu_version
3204 ['qemu-options.hx', 'qemu-options.def'],
3205 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3209 ['hmp-commands.hx', 'hmp-commands.h'],
3210 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3213 foreach d : hx_headers
3214 hxdep += custom_target(d[1],
3218 command: [hxtool, '-h', '@INPUT0@'])
3226 authz_ss = ss.source_set()
3227 blockdev_ss = ss.source_set()
3228 block_ss = ss.source_set()
3229 chardev_ss = ss.source_set()
3230 common_ss = ss.source_set()
3231 crypto_ss = ss.source_set()
3232 hwcore_ss = ss.source_set()
3233 io_ss = ss.source_set()
3234 qmp_ss = ss.source_set()
3235 qom_ss = ss.source_set()
3236 system_ss = ss.source_set()
3237 specific_fuzz_ss = ss.source_set()
3238 specific_ss = ss.source_set()
3239 stub_ss = ss.source_set()
3240 trace_ss = ss.source_set()
3241 user_ss = ss.source_set()
3242 util_ss = ss.source_set()
3245 qtest_module_ss = ss.source_set()
3246 tcg_module_ss = ss.source_set()
3252 target_system_arch = {}
3253 target_user_arch = {}
3259 # TODO: add each directory to the subdirs from its own meson.build, once
3261 trace_events_subdirs = [
3270 trace_events_subdirs += [ 'linux-user' ]
3273 trace_events_subdirs += [ 'bsd-user' ]
3276 trace_events_subdirs += [
3285 trace_events_subdirs += [
3299 'hw/block/dataplane',
3350 if have_system or have_user
3351 trace_events_subdirs += [
3369 vhost_user = not_found
3370 if targetos == 'linux' and have_vhost_user
3371 libvhost_user = subproject('libvhost-user')
3372 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3375 libvduse = not_found
3377 libvduse_proj = subproject('libvduse')
3378 libvduse = libvduse_proj.get_variable('libvduse_dep')
3381 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3382 # that is filled in by qapi/.
3396 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3397 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3400 qom_ss = qom_ss.apply(config_targetos, strict: false)
3401 libqom = static_library('qom', qom_ss.sources() + genh,
3402 dependencies: [qom_ss.dependencies()],
3404 build_by_default: false)
3405 qom = declare_dependency(link_whole: libqom)
3407 event_loop_base = files('event-loop-base.c')
3408 event_loop_base = static_library('event-loop-base',
3409 sources: event_loop_base + genh,
3411 build_by_default: false)
3412 event_loop_base = declare_dependency(link_whole: event_loop_base,
3413 dependencies: [qom])
3415 stub_ss = stub_ss.apply(config_all, strict: false)
3417 util_ss.add_all(trace_ss)
3418 util_ss = util_ss.apply(config_all, strict: false)
3419 libqemuutil = static_library('qemuutil',
3420 build_by_default: false,
3421 sources: util_ss.sources() + stub_ss.sources() + genh,
3422 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3423 qemuutil = declare_dependency(link_with: libqemuutil,
3424 sources: genh + version_res,
3425 dependencies: [event_loop_base])
3427 if have_system or have_user
3428 decodetree = generator(find_program('scripts/decodetree.py'),
3429 output: 'decode-@BASENAME@.c.inc',
3430 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3431 subdir('libdecnumber')
3448 if config_host_data.get('CONFIG_REPLICATION')
3449 block_ss.add(files('replication.c'))
3456 blockdev_ss.add(files(
3463 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3464 # os-win32.c does not
3465 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3466 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3469 common_ss.add(files('cpu-common.c'))
3470 specific_ss.add(files('cpu-target.c'))
3474 # Work around a gcc bug/misfeature wherein constant propagation looks
3476 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3477 # to guess that a const variable is always zero. Without lto, this is
3478 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3479 # without lto, not even the alias is required -- we simply use different
3480 # declarations in different compilation units.
3481 pagevary = files('page-vary-common.c')
3482 if get_option('b_lto')
3483 pagevary_flags = ['-fno-lto']
3484 if get_option('cfi')
3485 pagevary_flags += '-fno-sanitize=cfi-icall'
3487 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3488 c_args: pagevary_flags)
3489 pagevary = declare_dependency(link_with: pagevary)
3491 common_ss.add(pagevary)
3492 specific_ss.add(files('page-vary-target.c'))
3500 subdir('semihosting')
3508 common_user_inc = []
3510 subdir('common-user')
3512 subdir('linux-user')
3514 # needed for fuzzing binaries
3515 subdir('tests/qtest/libqos')
3516 subdir('tests/qtest/fuzz')
3519 tcg_real_module_ss = ss.source_set()
3520 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3521 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3522 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3523 'tcg': tcg_real_module_ss }}
3525 ########################
3526 # Library dependencies #
3527 ########################
3529 modinfo_collect = find_program('scripts/modinfo-collect.py')
3530 modinfo_generate = find_program('scripts/modinfo-generate.py')
3535 foreach d, list : modules
3536 if not (d == 'block' ? have_block : have_system)
3540 foreach m, module_ss : list
3542 module_ss = module_ss.apply(config_all, strict: false)
3543 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3544 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3550 if module_ss.sources() != []
3551 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3552 # input. Sources can be used multiple times but objects are
3553 # unique when it comes to lookup in compile_commands.json.
3554 # Depnds on a mesion version with
3555 # https://github.com/mesonbuild/meson/pull/8900
3556 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3557 output: d + '-' + m + '.modinfo',
3558 input: module_ss.sources() + genh,
3560 command: [modinfo_collect, module_ss.sources()])
3564 block_ss.add_all(module_ss)
3566 system_ss.add_all(module_ss)
3572 foreach d, list : target_modules
3573 foreach m, module_ss : list
3575 foreach target : target_dirs
3576 if target.endswith('-softmmu')
3577 config_target = config_target_mak[target]
3578 config_target += config_targetos
3579 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3580 c_args = ['-DNEED_CPU_H',
3581 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3582 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3583 target_module_ss = module_ss.apply(config_target, strict: false)
3584 if target_module_ss.sources() != []
3585 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3586 sl = static_library(module_name,
3587 [genh, target_module_ss.sources()],
3588 dependencies: [modulecommon, target_module_ss.dependencies()],
3589 include_directories: target_inc,
3593 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3594 modinfo_files += custom_target(module_name + '.modinfo',
3595 output: module_name + '.modinfo',
3596 input: target_module_ss.sources() + genh,
3598 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3603 specific_ss.add_all(module_ss)
3609 foreach target : target_dirs
3610 if target.endswith('-softmmu')
3611 config_target = config_target_mak[target]
3612 config_devices_mak = target + '-config-devices.mak'
3613 modinfo_src = custom_target('modinfo-' + target + '.c',
3614 output: 'modinfo-' + target + '.c',
3615 input: modinfo_files,
3616 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3619 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3620 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3622 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3623 hw_arch[arch].add(modinfo_dep)
3628 nm = find_program('nm')
3629 undefsym = find_program('scripts/undefsym.py')
3630 block_syms = custom_target('block.syms', output: 'block.syms',
3631 input: [libqemuutil, block_mods],
3633 command: [undefsym, nm, '@INPUT@'])
3634 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3635 input: [libqemuutil, system_mods],
3637 command: [undefsym, nm, '@INPUT@'])
3639 authz_ss = authz_ss.apply(config_targetos, strict: false)
3640 libauthz = static_library('authz', authz_ss.sources() + genh,
3641 dependencies: [authz_ss.dependencies()],
3643 build_by_default: false)
3645 authz = declare_dependency(link_whole: libauthz,
3648 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3649 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3650 dependencies: [crypto_ss.dependencies()],
3652 build_by_default: false)
3654 crypto = declare_dependency(link_whole: libcrypto,
3655 dependencies: [authz, qom])
3657 io_ss = io_ss.apply(config_targetos, strict: false)
3658 libio = static_library('io', io_ss.sources() + genh,
3659 dependencies: [io_ss.dependencies()],
3660 link_with: libqemuutil,
3662 build_by_default: false)
3664 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3666 libmigration = static_library('migration', sources: migration_files + genh,
3668 build_by_default: false)
3669 migration = declare_dependency(link_with: libmigration,
3670 dependencies: [zlib, qom, io])
3671 system_ss.add(migration)
3673 block_ss = block_ss.apply(config_targetos, strict: false)
3674 libblock = static_library('block', block_ss.sources() + genh,
3675 dependencies: block_ss.dependencies(),
3676 link_depends: block_syms,
3678 build_by_default: false)
3680 block = declare_dependency(link_whole: [libblock],
3681 link_args: '@block.syms',
3682 dependencies: [crypto, io])
3684 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3685 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3686 dependencies: blockdev_ss.dependencies(),
3688 build_by_default: false)
3690 blockdev = declare_dependency(link_whole: [libblockdev],
3691 dependencies: [block, event_loop_base])
3693 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3694 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3695 dependencies: qmp_ss.dependencies(),
3697 build_by_default: false)
3699 qmp = declare_dependency(link_whole: [libqmp])
3701 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3703 dependencies: chardev_ss.dependencies(),
3704 build_by_default: false)
3706 chardev = declare_dependency(link_whole: libchardev)
3708 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3709 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3711 build_by_default: false)
3712 hwcore = declare_dependency(link_whole: libhwcore)
3713 common_ss.add(hwcore)
3719 emulator_modules = []
3720 foreach m : block_mods + system_mods
3721 emulator_modules += shared_module(m.name(),
3722 build_by_default: true,
3726 install_dir: qemu_moddir)
3728 if emulator_modules.length() > 0
3729 alias_target('modules', emulator_modules)
3732 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3733 common_ss.add(qom, qemuutil)
3735 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3736 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3738 common_all = common_ss.apply(config_all, strict: false)
3739 common_all = static_library('common',
3740 build_by_default: false,
3741 sources: common_all.sources() + genh,
3742 include_directories: common_user_inc,
3743 implicit_include_directories: false,
3744 dependencies: common_all.dependencies(),
3747 feature_to_c = find_program('scripts/feature_to_c.py')
3749 if targetos == 'darwin'
3750 entitlement = find_program('scripts/entitlement.sh')
3754 foreach target : target_dirs
3755 config_target = config_target_mak[target]
3756 target_name = config_target['TARGET_NAME']
3757 target_base_arch = config_target['TARGET_BASE_ARCH']
3758 arch_srcs = [config_target_h[target]]
3760 c_args = ['-DNEED_CPU_H',
3761 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3762 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3763 link_args = emulator_link_args
3765 config_target += config_targetos
3766 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3767 if targetos == 'linux'
3768 target_inc += include_directories('linux-headers', is_system: true)
3770 if target.endswith('-softmmu')
3771 target_type='system'
3772 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3773 arch_srcs += t.sources()
3774 arch_deps += t.dependencies()
3776 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3777 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3778 arch_srcs += hw.sources()
3779 arch_deps += hw.dependencies()
3781 arch_srcs += config_devices_h[target]
3782 link_args += ['@block.syms', '@qemu.syms']
3784 abi = config_target['TARGET_ABI_DIR']
3786 target_inc += common_user_inc
3787 if target_base_arch in target_user_arch
3788 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3789 arch_srcs += t.sources()
3790 arch_deps += t.dependencies()
3792 if 'CONFIG_LINUX_USER' in config_target
3793 base_dir = 'linux-user'
3795 if 'CONFIG_BSD_USER' in config_target
3796 base_dir = 'bsd-user'
3797 target_inc += include_directories('bsd-user/' / targetos)
3798 target_inc += include_directories('bsd-user/host/' / host_arch)
3799 dir = base_dir / abi
3800 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3802 target_inc += include_directories(
3806 if 'CONFIG_LINUX_USER' in config_target
3807 dir = base_dir / abi
3808 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3809 if config_target.has_key('TARGET_SYSTBL_ABI')
3811 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3812 extra_args : config_target['TARGET_SYSTBL_ABI'])
3817 if 'TARGET_XML_FILES' in config_target
3818 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3819 output: target + '-gdbstub-xml.c',
3820 input: files(config_target['TARGET_XML_FILES'].split()),
3821 command: [feature_to_c, '@INPUT@'],
3823 arch_srcs += gdbstub_xml
3826 t = target_arch[target_base_arch].apply(config_target, strict: false)
3827 arch_srcs += t.sources()
3828 arch_deps += t.dependencies()
3830 target_common = common_ss.apply(config_target, strict: false)
3831 objects = common_all.extract_objects(target_common.sources())
3832 deps = target_common.dependencies()
3834 target_specific = specific_ss.apply(config_target, strict: false)
3835 arch_srcs += target_specific.sources()
3836 arch_deps += target_specific.dependencies()
3838 lib = static_library('qemu-' + target,
3839 sources: arch_srcs + genh,
3840 dependencies: arch_deps,
3842 include_directories: target_inc,
3844 build_by_default: false,
3847 if target.endswith('-softmmu')
3849 'name': 'qemu-system-' + target_name,
3850 'win_subsystem': 'console',
3851 'sources': files('system/main.c'),
3854 if targetos == 'windows' and (sdl.found() or gtk.found())
3856 'name': 'qemu-system-' + target_name + 'w',
3857 'win_subsystem': 'windows',
3858 'sources': files('system/main.c'),
3862 if get_option('fuzzing')
3863 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3865 'name': 'qemu-fuzz-' + target_name,
3866 'win_subsystem': 'console',
3867 'sources': specific_fuzz.sources(),
3868 'dependencies': specific_fuzz.dependencies(),
3873 'name': 'qemu-' + target_name,
3874 'win_subsystem': 'console',
3880 exe_name = exe['name']
3881 if targetos == 'darwin'
3882 exe_name += '-unsigned'
3885 emulator = executable(exe_name, exe['sources'],
3888 dependencies: arch_deps + deps + exe['dependencies'],
3889 objects: lib.extract_all_objects(recursive: true),
3890 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3891 link_args: link_args,
3892 win_subsystem: exe['win_subsystem'])
3894 if targetos == 'darwin'
3895 icon = 'pc-bios/qemu.rsrc'
3896 build_input = [emulator, files(icon)]
3898 get_option('bindir') / exe_name,
3899 meson.current_source_dir() / icon
3901 if 'CONFIG_HVF' in config_target
3902 entitlements = 'accel/hvf/entitlements.plist'
3903 build_input += files(entitlements)
3904 install_input += meson.current_source_dir() / entitlements
3907 emulators += {exe['name'] : custom_target(exe['name'],
3909 output: exe['name'],
3910 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3913 meson.add_install_script(entitlement, '--install',
3914 get_option('bindir') / exe['name'],
3917 emulators += {exe['name']: emulator}
3922 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3923 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3924 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3925 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3927 custom_target(exe['name'] + stp['ext'],
3928 input: trace_events_all,
3929 output: exe['name'] + stp['ext'],
3930 install: stp['install'],
3931 install_dir: get_option('datadir') / 'systemtap/tapset',
3933 tracetool, '--group=all', '--format=' + stp['fmt'],
3934 '--binary=' + stp['bin'],
3935 '--target-name=' + target_name,
3936 '--target-type=' + target_type,
3937 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3938 '@INPUT@', '@OUTPUT@'
3940 depend_files: tracetool_depends)
3946 # Other build targets
3948 if get_option('plugins')
3949 install_headers('include/qemu/qemu-plugin.h')
3954 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3955 # when we don't build tools or system
3956 if xkbcommon.found()
3957 # used for the update-keymaps target, so include rules even if !have_tools
3958 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3959 dependencies: [qemuutil, xkbcommon], install: have_tools)
3963 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3964 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3965 qemu_io = executable('qemu-io', files('qemu-io.c'),
3966 dependencies: [block, qemuutil], install: true)
3967 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3968 dependencies: [blockdev, qemuutil, gnutls, selinux],
3971 subdir('storage-daemon')
3972 subdir('contrib/rdmacm-mux')
3973 subdir('contrib/elf2dmp')
3975 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3976 dependencies: qemuutil,
3980 subdir('contrib/vhost-user-blk')
3981 subdir('contrib/vhost-user-gpu')
3982 subdir('contrib/vhost-user-input')
3983 subdir('contrib/vhost-user-scsi')
3986 if targetos == 'linux'
3987 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3988 dependencies: [qemuutil, libcap_ng],
3990 install_dir: get_option('libexecdir'))
3992 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3993 dependencies: [authz, crypto, io, qom, qemuutil,
3994 libcap_ng, mpathpersist],
3999 subdir('contrib/ivshmem-client')
4000 subdir('contrib/ivshmem-server')
4013 if host_machine.system() == 'windows'
4015 find_program('scripts/nsis.py'),
4017 get_option('prefix'),
4018 meson.current_source_dir(),
4019 glib_pc.get_variable('bindir'),
4022 '-DDISPLAYVERSION=' + meson.project_version(),
4025 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4028 nsis_cmd += '-DCONFIG_GTK=y'
4031 nsis = custom_target('nsis',
4032 output: 'qemu-setup-' + meson.project_version() + '.exe',
4033 input: files('qemu.nsi'),
4034 build_always_stale: true,
4035 command: nsis_cmd + ['@INPUT@'])
4036 alias_target('installer', nsis)
4039 #########################
4040 # Configuration summary #
4041 #########################
4045 summary_info += {'Build directory': meson.current_build_dir()}
4046 summary_info += {'Source path': meson.current_source_dir()}
4047 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4048 summary(summary_info, bool_yn: true, section: 'Build environment')
4051 summary_info += {'Install prefix': get_option('prefix')}
4052 summary_info += {'BIOS directory': qemu_datadir}
4053 pathsep = targetos == 'windows' ? ';' : ':'
4054 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4055 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4056 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4057 summary_info += {'module directory': qemu_moddir}
4058 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4059 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4060 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4061 if targetos != 'windows'
4062 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4063 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4065 summary_info += {'local state directory': 'queried at runtime'}
4067 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4068 summary(summary_info, bool_yn: true, section: 'Directories')
4072 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4073 summary_info += {'sphinx-build': sphinx_build}
4075 # FIXME: the [binaries] section of machine files, which can be probed
4076 # with find_program(), would be great for passing gdb and genisoimage
4077 # paths from configure to Meson. However, there seems to be no way to
4078 # hide a program (for example if gdb is too old).
4079 if config_host.has_key('GDB')
4080 summary_info += {'gdb': config_host['GDB']}
4082 summary_info += {'iasl': iasl}
4083 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4084 if targetos == 'windows' and have_ga
4085 summary_info += {'wixl': wixl}
4087 if slirp.found() and have_system
4088 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4090 summary(summary_info, bool_yn: true, section: 'Host binaries')
4092 # Configurable features
4094 summary_info += {'Documentation': build_docs}
4095 summary_info += {'system-mode emulation': have_system}
4096 summary_info += {'user-mode emulation': have_user}
4097 summary_info += {'block layer': have_block}
4098 summary_info += {'Install blobs': get_option('install_blobs')}
4099 summary_info += {'module support': enable_modules}
4101 summary_info += {'alternative module path': get_option('module_upgrades')}
4103 summary_info += {'fuzzing support': get_option('fuzzing')}
4105 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4107 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4108 if 'simple' in get_option('trace_backends')
4109 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4111 summary_info += {'D-Bus display': dbus_display}
4112 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4113 summary_info += {'Relocatable install': get_option('relocatable')}
4114 summary_info += {'vhost-kernel support': have_vhost_kernel}
4115 summary_info += {'vhost-net support': have_vhost_net}
4116 summary_info += {'vhost-user support': have_vhost_user}
4117 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4118 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4119 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4120 summary_info += {'build guest agent': have_ga}
4121 summary(summary_info, bool_yn: true, section: 'Configurable features')
4123 # Compilation information
4125 summary_info += {'host CPU': cpu}
4126 summary_info += {'host endianness': build_machine.endian()}
4127 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4128 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4129 if 'cpp' in all_languages
4130 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4132 summary_info += {'C++ compiler': false}
4134 if 'objc' in all_languages
4135 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4137 summary_info += {'Objective-C compiler': false}
4139 option_cflags = (get_option('debug') ? ['-g'] : [])
4140 if get_option('optimization') != 'plain'
4141 option_cflags += ['-O' + get_option('optimization')]
4143 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4144 if 'cpp' in all_languages
4145 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4147 if 'objc' in all_languages
4148 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4150 link_args = get_option('c_link_args')
4151 if link_args.length() > 0
4152 summary_info += {'LDFLAGS': ' '.join(link_args)}
4154 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4155 if 'cpp' in all_languages
4156 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4158 if 'objc' in all_languages
4159 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4161 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4162 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4163 summary_info += {'PIE': get_option('b_pie')}
4164 summary_info += {'static build': get_option('prefer_static')}
4165 summary_info += {'malloc trim support': has_malloc_trim}
4166 summary_info += {'membarrier': have_membarrier}
4167 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4168 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4169 summary_info += {'mutex debugging': get_option('debug_mutex')}
4170 summary_info += {'memory allocator': get_option('malloc')}
4171 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4172 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4173 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4174 summary_info += {'gcov': get_option('b_coverage')}
4175 summary_info += {'thread sanitizer': get_option('tsan')}
4176 summary_info += {'CFI support': get_option('cfi')}
4177 if get_option('cfi')
4178 summary_info += {'CFI debug support': get_option('cfi_debug')}
4180 summary_info += {'strip binaries': get_option('strip')}
4181 summary_info += {'sparse': sparse}
4182 summary_info += {'mingw32 support': targetos == 'windows'}
4183 summary(summary_info, bool_yn: true, section: 'Compilation')
4185 # snarf the cross-compilation information for tests
4188 foreach target: target_dirs
4189 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4190 if fs.exists(tcg_mak)
4191 config_cross_tcg = keyval.load(tcg_mak)
4192 if 'CC' in config_cross_tcg
4193 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4199 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4202 # Targets and accelerators
4205 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4206 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4207 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4208 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4209 summary_info += {'Xen support': xen.found()}
4211 summary_info += {'xen ctrl version': xen.version()}
4213 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4215 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4216 if config_all.has_key('CONFIG_TCG')
4217 if get_option('tcg_interpreter')
4218 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4220 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4222 summary_info += {'TCG plugins': get_option('plugins')}
4223 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4225 summary_info += {'target list': ' '.join(target_dirs)}
4227 summary_info += {'default devices': get_option('default_devices')}
4228 summary_info += {'out of process emulation': multiprocess_allowed}
4229 summary_info += {'vfio-user server': vfio_user_server_allowed}
4231 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4235 summary_info += {'coroutine backend': coroutine_backend}
4236 summary_info += {'coroutine pool': have_coroutine_pool}
4238 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4239 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4240 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4241 summary_info += {'VirtFS (9P) support': have_virtfs}
4242 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4243 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4244 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4245 summary_info += {'bochs support': get_option('bochs').allowed()}
4246 summary_info += {'cloop support': get_option('cloop').allowed()}
4247 summary_info += {'dmg support': get_option('dmg').allowed()}
4248 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4249 summary_info += {'vdi support': get_option('vdi').allowed()}
4250 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4251 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4252 summary_info += {'vpc support': get_option('vpc').allowed()}
4253 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4254 summary_info += {'qed support': get_option('qed').allowed()}
4255 summary_info += {'parallels support': get_option('parallels').allowed()}
4256 summary_info += {'FUSE exports': fuse}
4257 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4259 summary(summary_info, bool_yn: true, section: 'Block layer support')
4263 summary_info += {'TLS priority': get_option('tls_priority')}
4264 summary_info += {'GNUTLS support': gnutls}
4266 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4268 summary_info += {'libgcrypt': gcrypt}
4269 summary_info += {'nettle': nettle}
4271 summary_info += {' XTS': xts != 'private'}
4273 summary_info += {'AF_ALG support': have_afalg}
4274 summary_info += {'rng-none': get_option('rng_none')}
4275 summary_info += {'Linux keyring': have_keyring}
4276 summary_info += {'Linux keyutils': keyutils}
4277 summary(summary_info, bool_yn: true, section: 'Crypto')
4281 if targetos == 'darwin'
4282 summary_info += {'Cocoa support': cocoa}
4284 summary_info += {'SDL support': sdl}
4285 summary_info += {'SDL image support': sdl_image}
4286 summary_info += {'GTK support': gtk}
4287 summary_info += {'pixman': pixman}
4288 summary_info += {'VTE support': vte}
4289 summary_info += {'PNG support': png}
4290 summary_info += {'VNC support': vnc}
4292 summary_info += {'VNC SASL support': sasl}
4293 summary_info += {'VNC JPEG support': jpeg}
4295 summary_info += {'spice protocol support': spice_protocol}
4296 if spice_protocol.found()
4297 summary_info += {' spice server support': spice}
4299 summary_info += {'curses support': curses}
4300 summary_info += {'brlapi support': brlapi}
4301 summary(summary_info, bool_yn: true, section: 'User interface')
4305 if targetos not in ['darwin', 'haiku', 'windows']
4306 summary_info += {'OSS support': oss}
4307 summary_info += {'sndio support': sndio}
4308 elif targetos == 'darwin'
4309 summary_info += {'CoreAudio support': coreaudio}
4310 elif targetos == 'windows'
4311 summary_info += {'DirectSound support': dsound}
4313 if targetos == 'linux'
4314 summary_info += {'ALSA support': alsa}
4315 summary_info += {'PulseAudio support': pulse}
4317 summary_info += {'PipeWire support': pipewire}
4318 summary_info += {'JACK support': jack}
4319 summary(summary_info, bool_yn: true, section: 'Audio backends')
4323 if targetos == 'darwin'
4324 summary_info += {'vmnet.framework support': vmnet}
4326 summary_info += {'AF_XDP support': libxdp}
4327 summary_info += {'slirp support': slirp}
4328 summary_info += {'vde support': vde}
4329 summary_info += {'netmap support': have_netmap}
4330 summary_info += {'l2tpv3 support': have_l2tpv3}
4331 summary(summary_info, bool_yn: true, section: 'Network backends')
4335 summary_info += {'libtasn1': tasn1}
4336 summary_info += {'PAM': pam}
4337 summary_info += {'iconv support': iconv}
4338 summary_info += {'virgl support': virgl}
4339 summary_info += {'rutabaga support': rutabaga}
4340 summary_info += {'blkio support': blkio}
4341 summary_info += {'curl support': curl}
4342 summary_info += {'Multipath support': mpathpersist}
4343 summary_info += {'Linux AIO support': libaio}
4344 summary_info += {'Linux io_uring support': linux_io_uring}
4345 summary_info += {'ATTR/XATTR support': libattr}
4346 summary_info += {'RDMA support': rdma}
4347 summary_info += {'PVRDMA support': have_pvrdma}
4348 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4349 summary_info += {'libcap-ng support': libcap_ng}
4350 summary_info += {'bpf support': libbpf}
4351 summary_info += {'rbd support': rbd}
4352 summary_info += {'smartcard support': cacard}
4353 summary_info += {'U2F support': u2f}
4354 summary_info += {'libusb': libusb}
4355 summary_info += {'usb net redir': usbredir}
4356 summary_info += {'OpenGL support (epoxy)': opengl}
4357 summary_info += {'GBM': gbm}
4358 summary_info += {'libiscsi support': libiscsi}
4359 summary_info += {'libnfs support': libnfs}
4360 if targetos == 'windows'
4362 summary_info += {'QGA VSS support': have_qga_vss}
4365 summary_info += {'seccomp support': seccomp}
4366 summary_info += {'GlusterFS support': glusterfs}
4367 summary_info += {'hv-balloon support': hv_balloon}
4368 summary_info += {'TPM support': have_tpm}
4369 summary_info += {'libssh support': libssh}
4370 summary_info += {'lzo support': lzo}
4371 summary_info += {'snappy support': snappy}
4372 summary_info += {'bzip2 support': libbzip2}
4373 summary_info += {'lzfse support': liblzfse}
4374 summary_info += {'zstd support': zstd}
4375 summary_info += {'NUMA host support': numa}
4376 summary_info += {'capstone': capstone}
4377 summary_info += {'libpmem support': libpmem}
4378 summary_info += {'libdaxctl support': libdaxctl}
4379 summary_info += {'libudev': libudev}
4380 # Dummy dependency, keep .found()
4381 summary_info += {'FUSE lseek': fuse_lseek.found()}
4382 summary_info += {'selinux': selinux}
4383 summary_info += {'libdw': libdw}
4384 summary(summary_info, bool_yn: true, section: 'Dependencies')
4386 if host_arch == 'unknown'
4388 warning('UNSUPPORTED HOST CPU')
4390 message('Support for CPU host architecture ' + cpu + ' is not currently')
4391 message('maintained. The QEMU project does not guarantee that QEMU will')
4392 message('compile or work on this host CPU. You can help by volunteering')
4393 message('to maintain it and providing a build host for our continuous')
4394 message('integration setup.')
4395 if get_option('tcg').allowed() and target_dirs.length() > 0
4397 message('configure has succeeded and you can continue to build, but')
4398 message('QEMU will use a slow interpreter to emulate the target CPU.')
4402 if not supported_oses.contains(targetos)
4404 warning('UNSUPPORTED HOST OS')
4406 message('Support for host OS ' + targetos + 'is not currently maintained.')
4407 message('configure has succeeded and you can continue to build, but')
4408 message('the QEMU project does not guarantee that QEMU will compile or')
4409 message('work on this operating system. You can help by volunteering')
4410 message('to maintain it and providing a build host for our continuous')
4411 message('integration setup. This will ensure that future versions of QEMU')
4412 message('will keep working on ' + targetos + '.')
4415 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4417 message('If you want to help supporting QEMU on this platform, please')
4418 message('contact the developers at qemu-devel@nongnu.org.')
4421 actually_reloc = get_option('relocatable')
4422 # check if get_relocated_path() is actually able to relocate paths
4423 if get_option('relocatable') and \
4424 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4426 warning('bindir not included within prefix, the installation will not be relocatable.')
4427 actually_reloc = false
4429 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4430 if targetos == 'windows'
4432 warning('Windows installs should usually be relocatable.')
4435 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4436 message('Use --disable-relocatable to remove this warning.')