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 have_system or have_tools
817 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
818 method: 'pkg-config')
820 zlib = dependency('zlib', required: true)
823 if not get_option('linux_aio').auto() or have_block
824 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
825 required: get_option('linux_aio'))
828 linux_io_uring_test = '''
829 #include <liburing.h>
830 #include <linux/errqueue.h>
832 int main(void) { return 0; }'''
834 linux_io_uring = not_found
835 if not get_option('linux_io_uring').auto() or have_block
836 linux_io_uring = dependency('liburing', version: '>=0.3',
837 required: get_option('linux_io_uring'),
838 method: 'pkg-config')
839 if not cc.links(linux_io_uring_test)
840 linux_io_uring = not_found
845 if not get_option('libnfs').auto() or have_block
846 libnfs = dependency('libnfs', version: '>=1.9.3',
847 required: get_option('libnfs'),
848 method: 'pkg-config')
853 #include <sys/types.h>
854 #ifdef CONFIG_LIBATTR
855 #include <attr/xattr.h>
857 #include <sys/xattr.h>
859 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
862 have_old_libattr = false
863 if get_option('attr').allowed()
864 if cc.links(libattr_test)
865 libattr = declare_dependency()
867 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
868 required: get_option('attr'))
869 if libattr.found() and not \
870 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
872 if get_option('attr').enabled()
873 error('could not link libattr')
875 warning('could not link libattr, disabling')
878 have_old_libattr = libattr.found()
883 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
884 required: get_option('cocoa'))
886 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
887 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
888 'VMNET_BRIDGED_MODE',
891 if get_option('vmnet').enabled()
892 error('vmnet.framework API is outdated')
894 warning('vmnet.framework API is outdated, disabling')
899 seccomp_has_sysrawrc = false
900 if not get_option('seccomp').auto() or have_system or have_tools
901 seccomp = dependency('libseccomp', version: '>=2.3.0',
902 required: get_option('seccomp'),
903 method: 'pkg-config')
905 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
906 'SCMP_FLTATR_API_SYSRAWRC',
907 dependencies: seccomp)
911 libcap_ng = not_found
912 if not get_option('cap_ng').auto() or have_system or have_tools
913 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
914 required: get_option('cap_ng'))
916 if libcap_ng.found() and not cc.links('''
920 capng_capability_to_name(CAPNG_EFFECTIVE);
922 }''', dependencies: libcap_ng)
923 libcap_ng = not_found
924 if get_option('cap_ng').enabled()
925 error('could not link libcap-ng')
927 warning('could not link libcap-ng, disabling')
931 if get_option('xkbcommon').auto() and not have_system and not have_tools
932 xkbcommon = not_found
934 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
935 method: 'pkg-config')
939 if not get_option('slirp').auto() or have_system
940 slirp = dependency('slirp', required: get_option('slirp'),
941 method: 'pkg-config')
942 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
943 # it passes function pointers within libslirp as callbacks for timers.
944 # When using a system-wide shared libslirp, the type information for the
945 # callback is missing and the timer call produces a false positive with CFI.
946 # Do not use the "version" keyword argument to produce a better error.
947 # with control-flow integrity.
948 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
949 if get_option('slirp').enabled()
950 error('Control-Flow Integrity requires libslirp 4.7.')
952 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
959 if not get_option('vde').auto() or have_system or have_tools
960 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
961 required: get_option('vde'))
963 if vde.found() and not cc.links('''
964 #include <libvdeplug.h>
967 struct vde_open_args a = {0, 0, 0};
971 }''', dependencies: vde)
973 if get_option('cap_ng').enabled()
974 error('could not link libvdeplug')
976 warning('could not link libvdeplug, disabling')
981 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
982 pulse = dependency('libpulse', required: get_option('pa'),
983 method: 'pkg-config')
986 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
987 alsa = dependency('alsa', required: get_option('alsa'),
988 method: 'pkg-config')
991 if not get_option('jack').auto() or have_system
992 jack = dependency('jack', required: get_option('jack'),
993 method: 'pkg-config')
996 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
997 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
998 required: get_option('pipewire'),
999 method: 'pkg-config')
1002 if not get_option('sndio').auto() or have_system
1003 sndio = dependency('sndio', required: get_option('sndio'),
1004 method: 'pkg-config')
1007 spice_protocol = not_found
1008 if not get_option('spice_protocol').auto() or have_system
1009 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1010 required: get_option('spice_protocol'),
1011 method: 'pkg-config')
1014 if not get_option('spice').auto() or have_system
1015 spice = dependency('spice-server', version: '>=0.14.0',
1016 required: get_option('spice'),
1017 method: 'pkg-config')
1019 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1021 rt = cc.find_library('rt', required: false)
1023 libiscsi = not_found
1024 if not get_option('libiscsi').auto() or have_block
1025 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1026 required: get_option('libiscsi'),
1027 method: 'pkg-config')
1030 if not get_option('zstd').auto() or have_block
1031 zstd = dependency('libzstd', version: '>=1.4.0',
1032 required: get_option('zstd'),
1033 method: 'pkg-config')
1037 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1038 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1039 virgl = dependency('virglrenderer',
1040 method: 'pkg-config',
1041 required: get_option('virglrenderer'))
1043 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1044 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1045 prefix: '#include <virglrenderer.h>',
1046 dependencies: virgl))
1049 rutabaga = not_found
1050 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1051 rutabaga = dependency('rutabaga_gfx_ffi',
1052 method: 'pkg-config',
1053 required: get_option('rutabaga_gfx'))
1056 if not get_option('blkio').auto() or have_block
1057 blkio = dependency('blkio',
1058 method: 'pkg-config',
1059 required: get_option('blkio'))
1062 if not get_option('curl').auto() or have_block
1063 curl = dependency('libcurl', version: '>=7.29.0',
1064 method: 'pkg-config',
1065 required: get_option('curl'))
1068 if targetos == 'linux' and (have_system or have_tools)
1069 libudev = dependency('libudev',
1070 method: 'pkg-config',
1071 required: get_option('libudev'))
1074 mpathlibs = [libudev]
1075 mpathpersist = not_found
1076 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1077 mpath_test_source = '''
1078 #include <libudev.h>
1079 #include <mpath_persist.h>
1080 unsigned mpath_mx_alloc_len = 1024;
1082 static struct config *multipath_conf;
1083 extern struct udev *udev;
1084 extern struct config *get_multipath_config(void);
1085 extern void put_multipath_config(struct config *conf);
1087 struct config *get_multipath_config(void) { return multipath_conf; }
1088 void put_multipath_config(struct config *conf) { }
1091 multipath_conf = mpath_lib_init();
1094 libmpathpersist = cc.find_library('mpathpersist',
1095 required: get_option('mpath'))
1096 if libmpathpersist.found()
1097 mpathlibs += libmpathpersist
1098 if get_option('prefer_static')
1099 mpathlibs += cc.find_library('devmapper',
1100 required: get_option('mpath'))
1102 mpathlibs += cc.find_library('multipath',
1103 required: get_option('mpath'))
1104 foreach lib: mpathlibs
1110 if mpathlibs.length() == 0
1111 msg = 'Dependencies missing for libmpathpersist'
1112 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1113 mpathpersist = declare_dependency(dependencies: mpathlibs)
1115 msg = 'Cannot detect libmpathpersist API'
1117 if not mpathpersist.found()
1118 if get_option('mpath').enabled()
1121 warning(msg + ', disabling')
1129 if have_system and get_option('curses').allowed()
1131 #if defined(__APPLE__) || defined(__OpenBSD__)
1132 #define _XOPEN_SOURCE_EXTENDED 1
1139 setlocale(LC_ALL, "");
1141 addwstr(L"wide chars\n");
1143 add_wch(WACS_DEGREE);
1147 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1148 curses = dependency(curses_dep_list,
1150 method: 'pkg-config')
1151 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1152 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1154 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1155 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1156 version: curses.version())
1158 msg = 'curses package not usable'
1162 if not curses.found()
1163 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1164 if targetos != 'windows' and not has_curses_h
1165 message('Trying with /usr/include/ncursesw')
1166 curses_compile_args += ['-I/usr/include/ncursesw']
1167 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1170 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1171 foreach curses_libname : curses_libname_list
1172 libcurses = cc.find_library(curses_libname,
1174 if libcurses.found()
1175 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1176 curses = declare_dependency(compile_args: curses_compile_args,
1177 dependencies: [libcurses])
1180 msg = 'curses library not usable'
1186 if get_option('iconv').allowed()
1187 foreach link_args : [ ['-liconv'], [] ]
1188 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1189 # We need to use libiconv if available because mixing libiconv's headers with
1190 # the system libc does not work.
1191 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1192 # included in the command line and libiconv will not be found.
1196 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1197 return conv != (iconv_t) -1;
1198 }''', args: link_args, dependencies: glib)
1199 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1204 if curses.found() and not iconv.found()
1205 if get_option('iconv').enabled()
1206 error('iconv not available')
1208 msg = 'iconv required for curses UI but not available'
1211 if not curses.found() and msg != ''
1212 if get_option('curses').enabled()
1215 warning(msg + ', disabling')
1221 if not get_option('brlapi').auto() or have_system
1222 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1223 required: get_option('brlapi'))
1224 if brlapi.found() and not cc.links('''
1227 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1229 if get_option('brlapi').enabled()
1230 error('could not link brlapi')
1232 warning('could not link brlapi, disabling')
1238 if not get_option('sdl').auto() or have_system
1239 sdl = dependency('sdl2', required: get_option('sdl'))
1240 sdl_image = not_found
1243 # Some versions of SDL have problems with -Wundef
1244 if not cc.compiles('''
1246 #include <SDL_syswm.h>
1247 int main(int argc, char *argv[]) { return 0; }
1248 ''', dependencies: sdl, args: '-Werror=undef')
1249 sdl = declare_dependency(compile_args: '-Wno-undef',
1251 version: sdl.version())
1253 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1254 method: 'pkg-config')
1256 if get_option('sdl_image').enabled()
1257 error('sdl-image required, but SDL was @0@'.format(
1258 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1260 sdl_image = not_found
1264 if not get_option('rbd').auto() or have_block
1265 librados = cc.find_library('rados', required: get_option('rbd'))
1266 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1267 required: get_option('rbd'))
1268 if librados.found() and librbd.found()
1271 #include <rbd/librbd.h>
1274 rados_create(&cluster, NULL);
1275 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1279 }''', dependencies: [librbd, librados])
1280 rbd = declare_dependency(dependencies: [librbd, librados])
1281 elif get_option('rbd').enabled()
1282 error('librbd >= 1.12.0 required')
1284 warning('librbd >= 1.12.0 not found, disabling')
1289 glusterfs = not_found
1290 glusterfs_ftruncate_has_stat = false
1291 glusterfs_iocb_has_stat = false
1292 if not get_option('glusterfs').auto() or have_block
1293 glusterfs = dependency('glusterfs-api', version: '>=3',
1294 required: get_option('glusterfs'),
1295 method: 'pkg-config')
1296 if glusterfs.found()
1297 glusterfs_ftruncate_has_stat = cc.links('''
1298 #include <glusterfs/api/glfs.h>
1303 /* new glfs_ftruncate() passes two additional args */
1304 return glfs_ftruncate(NULL, 0, NULL, NULL);
1306 ''', dependencies: glusterfs)
1307 glusterfs_iocb_has_stat = cc.links('''
1308 #include <glusterfs/api/glfs.h>
1310 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1312 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1318 glfs_io_cbk iocb = &glusterfs_iocb;
1319 iocb(NULL, 0 , NULL, NULL, NULL);
1322 ''', dependencies: glusterfs)
1327 if not get_option('libssh').auto() or have_block
1328 libssh = dependency('libssh', version: '>=0.8.7',
1329 method: 'pkg-config',
1330 required: get_option('libssh'))
1333 libbzip2 = not_found
1334 if not get_option('bzip2').auto() or have_block
1335 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1336 required: get_option('bzip2'))
1337 if libbzip2.found() and not cc.links('''
1339 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1340 libbzip2 = not_found
1341 if get_option('bzip2').enabled()
1342 error('could not link libbzip2')
1344 warning('could not link libbzip2, disabling')
1349 liblzfse = not_found
1350 if not get_option('lzfse').auto() or have_block
1351 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1352 required: get_option('lzfse'))
1354 if liblzfse.found() and not cc.links('''
1356 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1357 liblzfse = not_found
1358 if get_option('lzfse').enabled()
1359 error('could not link liblzfse')
1361 warning('could not link liblzfse, disabling')
1366 if get_option('oss').allowed() and have_system
1367 if not cc.has_header('sys/soundcard.h')
1369 elif targetos == 'netbsd'
1370 oss = cc.find_library('ossaudio', required: get_option('oss'))
1372 oss = declare_dependency()
1376 if get_option('oss').enabled()
1377 error('OSS not found')
1382 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1383 if cc.has_header('dsound.h')
1384 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1387 if not dsound.found()
1388 if get_option('dsound').enabled()
1389 error('DirectSound not found')
1394 coreaudio = not_found
1395 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1396 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1397 required: get_option('coreaudio'))
1401 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1402 epoxy = dependency('epoxy', method: 'pkg-config',
1403 required: get_option('opengl'))
1404 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1406 elif get_option('opengl').enabled()
1407 error('epoxy/egl.h not found')
1411 if (have_system or have_tools) and (virgl.found() or opengl.found())
1412 gbm = dependency('gbm', method: 'pkg-config', required: false)
1414 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1417 gnutls_crypto = not_found
1418 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1419 # For general TLS support our min gnutls matches
1420 # that implied by our platform support matrix
1422 # For the crypto backends, we look for a newer
1425 # Version 3.6.8 is needed to get XTS
1426 # Version 3.6.13 is needed to get PBKDF
1427 # Version 3.6.14 is needed to get HW accelerated XTS
1429 # If newer enough gnutls isn't available, we can
1430 # still use a different crypto backend to satisfy
1431 # the platform support requirements
1432 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1433 method: 'pkg-config',
1435 if gnutls_crypto.found()
1436 gnutls = gnutls_crypto
1438 # Our min version if all we need is TLS
1439 gnutls = dependency('gnutls', version: '>=3.5.18',
1440 method: 'pkg-config',
1441 required: get_option('gnutls'))
1445 # We prefer use of gnutls for crypto, unless the options
1446 # explicitly asked for nettle or gcrypt.
1448 # If gnutls isn't available for crypto, then we'll prefer
1449 # gcrypt over nettle for performance reasons.
1455 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1456 error('Only one of gcrypt & nettle can be enabled')
1459 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1460 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1461 gnutls_crypto = not_found
1464 if not gnutls_crypto.found()
1465 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1466 gcrypt = dependency('libgcrypt', version: '>=1.8',
1467 method: 'config-tool',
1468 required: get_option('gcrypt'))
1469 # Debian has removed -lgpg-error from libgcrypt-config
1470 # as it "spreads unnecessary dependencies" which in
1471 # turn breaks static builds...
1472 if gcrypt.found() and get_option('prefer_static')
1473 gcrypt = declare_dependency(dependencies:
1475 cc.find_library('gpg-error', required: true)],
1476 version: gcrypt.version())
1479 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1480 nettle = dependency('nettle', version: '>=3.4',
1481 method: 'pkg-config',
1482 required: get_option('nettle'))
1483 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1489 gmp = dependency('gmp', required: false, method: 'pkg-config')
1490 if nettle.found() and gmp.found()
1491 hogweed = dependency('hogweed', version: '>=3.4',
1492 method: 'pkg-config',
1493 required: get_option('nettle'))
1500 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1502 if not get_option('gtk').auto() or have_system
1503 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1504 method: 'pkg-config',
1505 required: get_option('gtk'))
1507 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1508 method: 'pkg-config',
1510 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1511 version: gtk.version())
1513 if not get_option('vte').auto() or have_system
1514 vte = dependency('vte-2.91',
1515 method: 'pkg-config',
1516 required: get_option('vte'))
1518 elif have_gtk_clipboard
1519 error('GTK clipboard requested, but GTK not found')
1525 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1528 if get_option('png').allowed() and have_system
1529 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1530 method: 'pkg-config')
1535 if get_option('vnc').allowed() and have_system
1536 vnc = declare_dependency() # dummy dependency
1537 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1538 method: 'pkg-config')
1539 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1540 required: get_option('vnc_sasl'))
1542 sasl = declare_dependency(dependencies: sasl,
1543 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1548 if not get_option('auth_pam').auto() or have_system
1549 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1550 required: get_option('auth_pam'))
1552 if pam.found() and not cc.links('''
1554 #include <security/pam_appl.h>
1556 const char *service_name = "qemu";
1557 const char *user = "frank";
1558 const struct pam_conv pam_conv = { 0 };
1559 pam_handle_t *pamh = NULL;
1560 pam_start(service_name, user, &pam_conv, &pamh);
1562 }''', dependencies: pam)
1564 if get_option('auth_pam').enabled()
1565 error('could not link libpam')
1567 warning('could not link libpam, disabling')
1572 if not get_option('snappy').auto() or have_system
1573 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1574 required: get_option('snappy'))
1576 if snappy.found() and not cc.links('''
1577 #include <snappy-c.h>
1578 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1580 if get_option('snappy').enabled()
1581 error('could not link libsnappy')
1583 warning('could not link libsnappy, disabling')
1588 if not get_option('lzo').auto() or have_system
1589 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1590 required: get_option('lzo'))
1592 if lzo.found() and not cc.links('''
1593 #include <lzo/lzo1x.h>
1594 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1596 if get_option('lzo').enabled()
1597 error('could not link liblzo2')
1599 warning('could not link liblzo2, disabling')
1604 if not get_option('numa').auto() or have_system or have_tools
1605 numa = cc.find_library('numa', has_headers: ['numa.h'],
1606 required: get_option('numa'))
1608 if numa.found() and not cc.links('''
1610 int main(void) { return numa_available(); }
1611 ''', dependencies: numa)
1613 if get_option('numa').enabled()
1614 error('could not link numa')
1616 warning('could not link numa, disabling')
1621 if not get_option('rdma').auto() or have_system
1622 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1623 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1624 required: get_option('rdma')),
1625 cc.find_library('ibverbs', required: get_option('rdma')),
1627 rdma = declare_dependency(dependencies: rdma_libs)
1628 foreach lib: rdma_libs
1636 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1637 xencontrol = dependency('xencontrol', required: false,
1638 method: 'pkg-config')
1639 if xencontrol.found()
1640 xen_pc = declare_dependency(version: xencontrol.version(),
1643 # disabler: true makes xen_pc.found() return false if any is not found
1644 dependency('xenstore', required: false,
1645 method: 'pkg-config',
1647 dependency('xenforeignmemory', required: false,
1648 method: 'pkg-config',
1650 dependency('xengnttab', required: false,
1651 method: 'pkg-config',
1653 dependency('xenevtchn', required: false,
1654 method: 'pkg-config',
1656 dependency('xendevicemodel', required: false,
1657 method: 'pkg-config',
1659 # optional, no "disabler: true"
1660 dependency('xentoolcore', required: false,
1661 method: 'pkg-config')])
1667 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1669 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1670 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1671 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1672 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1673 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1676 foreach ver: xen_tests
1677 # cache the various library tests to avoid polluting the logs
1679 foreach l: xen_libs[ver]
1680 if l not in xen_deps
1681 xen_deps += { l: cc.find_library(l, required: false) }
1683 xen_test_deps += xen_deps[l]
1686 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1687 xen_version = ver.split('.')
1688 xen_ctrl_version = xen_version[0] + \
1689 ('0' + xen_version[1]).substring(-2) + \
1690 ('0' + xen_version[2]).substring(-2)
1691 if cc.links(files('scripts/xen-detect.c'),
1692 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1693 dependencies: xen_test_deps)
1694 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1700 accelerators += 'CONFIG_XEN'
1701 elif get_option('xen').enabled()
1702 error('could not compile and link Xen test program')
1705 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1706 .require(xen.found(),
1707 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1708 .require(targetos == 'linux',
1709 error_message: 'Xen PCI passthrough not available on this platform') \
1710 .require(cpu == 'x86' or cpu == 'x86_64',
1711 error_message: 'Xen PCI passthrough not available on this platform') \
1716 if not get_option('smartcard').auto() or have_system
1717 cacard = dependency('libcacard', required: get_option('smartcard'),
1718 version: '>=2.5.1', method: 'pkg-config')
1722 u2f = dependency('u2f-emu', required: get_option('u2f'),
1723 method: 'pkg-config')
1727 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1728 method: 'pkg-config')
1730 usbredir = not_found
1731 if not get_option('usb_redir').auto() or have_system
1732 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1733 version: '>=0.6', method: 'pkg-config')
1736 if not get_option('libusb').auto() or have_system
1737 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1738 version: '>=1.0.13', method: 'pkg-config')
1742 if not get_option('libpmem').auto() or have_system
1743 libpmem = dependency('libpmem', required: get_option('libpmem'),
1744 method: 'pkg-config')
1746 libdaxctl = not_found
1747 if not get_option('libdaxctl').auto() or have_system
1748 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1749 version: '>=57', method: 'pkg-config')
1753 tasn1 = dependency('libtasn1',
1754 method: 'pkg-config')
1756 keyutils = not_found
1757 if not get_option('libkeyutils').auto() or have_block
1758 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1759 method: 'pkg-config')
1762 has_gettid = cc.has_function('gettid')
1765 selinux = dependency('libselinux',
1766 required: get_option('selinux'),
1767 method: 'pkg-config')
1772 if get_option('malloc') == 'system'
1774 get_option('malloc_trim').allowed() and \
1775 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1777 has_malloc_trim = false
1778 malloc = cc.find_library(get_option('malloc'), required: true)
1780 if not has_malloc_trim and get_option('malloc_trim').enabled()
1781 if get_option('malloc') == 'system'
1782 error('malloc_trim not available on this platform.')
1784 error('malloc_trim not available with non-libc memory allocator')
1788 gnu_source_prefix = '''
1794 # Check whether the glibc provides STATX_BASIC_STATS
1796 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1798 # Check whether statx() provides mount ID information
1800 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1802 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1803 .require(targetos == 'linux',
1804 error_message: 'vhost_user_blk_server requires linux') \
1805 .require(have_vhost_user,
1806 error_message: 'vhost_user_blk_server requires vhost-user support') \
1807 .disable_auto_if(not have_tools and not have_system) \
1810 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1811 error('Cannot enable fuse-lseek while fuse is disabled')
1814 fuse = dependency('fuse3', required: get_option('fuse'),
1815 version: '>=3.1', method: 'pkg-config')
1817 fuse_lseek = not_found
1818 if get_option('fuse_lseek').allowed()
1819 if fuse.version().version_compare('>=3.8')
1821 fuse_lseek = declare_dependency()
1822 elif get_option('fuse_lseek').enabled()
1824 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1826 error('fuse-lseek requires libfuse, which was not found')
1831 have_libvduse = (targetos == 'linux')
1832 if get_option('libvduse').enabled()
1833 if targetos != 'linux'
1834 error('libvduse requires linux')
1836 elif get_option('libvduse').disabled()
1837 have_libvduse = false
1840 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1841 if get_option('vduse_blk_export').enabled()
1842 if targetos != 'linux'
1843 error('vduse_blk_export requires linux')
1844 elif not have_libvduse
1845 error('vduse_blk_export requires libvduse support')
1847 elif get_option('vduse_blk_export').disabled()
1848 have_vduse_blk_export = false
1852 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1853 if libbpf.found() and not cc.links('''
1854 #include <bpf/libbpf.h>
1857 bpf_object__destroy_skeleton(NULL);
1859 }''', dependencies: libbpf)
1861 if get_option('bpf').enabled()
1862 error('libbpf skeleton test failed')
1864 warning('libbpf skeleton test failed, disabling')
1870 if not get_option('af_xdp').auto() or have_system
1871 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1872 version: '>=1.4.0', method: 'pkg-config')
1877 if not get_option('libdw').auto() or \
1878 (not get_option('prefer_static') and (have_system or have_user))
1879 libdw = dependency('libdw',
1880 method: 'pkg-config',
1881 required: get_option('libdw'))
1888 audio_drivers_selected = []
1890 audio_drivers_available = {
1891 'alsa': alsa.found(),
1892 'coreaudio': coreaudio.found(),
1893 'dsound': dsound.found(),
1894 'jack': jack.found(),
1896 'pa': pulse.found(),
1897 'pipewire': pipewire.found(),
1899 'sndio': sndio.found(),
1901 foreach k, v: audio_drivers_available
1902 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1905 # Default to native drivers first, OSS second, SDL third
1906 audio_drivers_priority = \
1907 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1908 (targetos == 'linux' ? [] : [ 'sdl' ])
1909 audio_drivers_default = []
1910 foreach k: audio_drivers_priority
1911 if audio_drivers_available[k]
1912 audio_drivers_default += k
1916 foreach k: get_option('audio_drv_list')
1918 audio_drivers_selected += audio_drivers_default
1919 elif not audio_drivers_available[k]
1920 error('Audio driver "@0@" not available.'.format(k))
1922 audio_drivers_selected += k
1926 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1927 '"' + '", "'.join(audio_drivers_selected) + '", ')
1929 if get_option('cfi')
1931 # Check for dependency on LTO
1932 if not get_option('b_lto')
1933 error('Selected Control-Flow Integrity but LTO is disabled')
1936 error('Selected Control-Flow Integrity is not compatible with modules')
1938 # Check for cfi flags. CFI requires LTO so we can't use
1939 # get_supported_arguments, but need a more complex "compiles" which allows
1941 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1942 args: ['-flto', '-fsanitize=cfi-icall'] )
1943 cfi_flags += '-fsanitize=cfi-icall'
1945 error('-fsanitize=cfi-icall is not supported by the compiler')
1947 if cc.compiles('int main () { return 0; }',
1948 name: '-fsanitize-cfi-icall-generalize-pointers',
1949 args: ['-flto', '-fsanitize=cfi-icall',
1950 '-fsanitize-cfi-icall-generalize-pointers'] )
1951 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1953 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1955 if get_option('cfi_debug')
1956 if cc.compiles('int main () { return 0; }',
1957 name: '-fno-sanitize-trap=cfi-icall',
1958 args: ['-flto', '-fsanitize=cfi-icall',
1959 '-fno-sanitize-trap=cfi-icall'] )
1960 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1962 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1965 add_global_arguments(cfi_flags, native: false, language: all_languages)
1966 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1969 have_host_block_device = (targetos != 'darwin' or
1970 cc.has_header('IOKit/storage/IOMedia.h'))
1972 dbus_display = get_option('dbus_display') \
1973 .require(gio.version().version_compare('>=2.64'),
1974 error_message: '-display dbus requires glib>=2.64') \
1975 .require(gdbus_codegen.found(),
1976 error_message: gdbus_codegen_error.format('-display dbus')) \
1979 have_virtfs = get_option('virtfs') \
1980 .require(targetos == 'linux' or targetos == 'darwin',
1981 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1982 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1983 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1984 .require(targetos == 'darwin' or libattr.found(),
1985 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1986 .disable_auto_if(not have_tools and not have_system) \
1989 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1990 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1991 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1992 .disable_auto_if(not have_tools) \
1993 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
1996 if get_option('block_drv_ro_whitelist') == ''
1997 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1999 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2000 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2002 if get_option('block_drv_rw_whitelist') == ''
2003 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2005 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2006 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2009 foreach k : get_option('trace_backends')
2010 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2012 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2013 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2015 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2017 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2018 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2019 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2020 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2021 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2023 qemu_firmwarepath = ''
2024 foreach k : get_option('qemu_firmwarepath')
2025 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2027 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2029 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2030 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2031 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2032 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2033 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2034 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2037 config_host_data.set('CONFIG_STAMP', run_command(
2038 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2039 meson.project_version(), get_option('pkgversion'), '--',
2040 meson.current_source_dir() / 'configure',
2041 capture: true, check: true).stdout().strip())
2044 have_slirp_smbd = get_option('slirp_smbd') \
2045 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2048 smbd_path = get_option('smbd')
2050 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2052 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2055 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2057 if get_option('module_upgrades') and not enable_modules
2058 error('Cannot enable module-upgrades as modules are not enabled')
2060 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2062 config_host_data.set('CONFIG_ATTR', libattr.found())
2063 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2064 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2065 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2066 config_host_data.set('CONFIG_COCOA', cocoa.found())
2067 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2068 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2069 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2070 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2071 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2072 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2073 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2074 config_host_data.set('CONFIG_LZO', lzo.found())
2075 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2076 config_host_data.set('CONFIG_BLKIO', blkio.found())
2078 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2079 blkio.version().version_compare('>=1.3.0'))
2081 config_host_data.set('CONFIG_CURL', curl.found())
2082 config_host_data.set('CONFIG_CURSES', curses.found())
2083 config_host_data.set('CONFIG_GBM', gbm.found())
2084 config_host_data.set('CONFIG_GIO', gio.found())
2085 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2086 if glusterfs.found()
2087 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2088 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2089 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2090 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2091 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2092 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2094 config_host_data.set('CONFIG_GTK', gtk.found())
2095 config_host_data.set('CONFIG_VTE', vte.found())
2096 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2097 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2098 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2099 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2100 config_host_data.set('CONFIG_EBPF', libbpf.found())
2101 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2102 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2103 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2104 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2105 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2106 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2107 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2108 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2109 config_host_data.set('CONFIG_MODULES', enable_modules)
2110 config_host_data.set('CONFIG_NUMA', numa.found())
2112 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2113 cc.has_function('numa_has_preferred_many',
2114 dependencies: numa))
2116 config_host_data.set('CONFIG_OPENGL', opengl.found())
2117 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2118 config_host_data.set('CONFIG_RBD', rbd.found())
2119 config_host_data.set('CONFIG_RDMA', rdma.found())
2120 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2121 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2122 config_host_data.set('CONFIG_SDL', sdl.found())
2123 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2124 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2126 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2128 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2129 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2130 if get_option('tcg').allowed()
2131 config_host_data.set('CONFIG_TCG', 1)
2132 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2134 config_host_data.set('CONFIG_TPM', have_tpm)
2135 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2136 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2137 config_host_data.set('CONFIG_VDE', vde.found())
2138 config_host_data.set('CONFIG_VHOST', have_vhost)
2139 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2140 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2141 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2142 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2143 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2144 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2145 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2146 config_host_data.set('CONFIG_VMNET', vmnet.found())
2147 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2148 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2149 config_host_data.set('CONFIG_PNG', png.found())
2150 config_host_data.set('CONFIG_VNC', vnc.found())
2151 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2152 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2153 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2154 config_host_data.set('CONFIG_VTE', vte.found())
2155 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2156 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2157 config_host_data.set('CONFIG_GETTID', has_gettid)
2158 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2159 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2160 config_host_data.set('CONFIG_TASN1', tasn1.found())
2161 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2162 config_host_data.set('CONFIG_NETTLE', nettle.found())
2163 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2164 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2165 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2166 config_host_data.set('CONFIG_STATX', has_statx)
2167 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2168 config_host_data.set('CONFIG_ZSTD', zstd.found())
2169 config_host_data.set('CONFIG_FUSE', fuse.found())
2170 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2171 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2172 if spice_protocol.found()
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2174 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2175 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2177 config_host_data.set('CONFIG_SPICE', spice.found())
2178 config_host_data.set('CONFIG_X11', x11.found())
2179 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2180 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2181 config_host_data.set('CONFIG_SELINUX', selinux.found())
2182 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2183 config_host_data.set('CONFIG_LIBDW', libdw.found())
2185 # protect from xen.version() having less than three components
2186 xen_version = xen.version().split('.') + ['0', '0']
2187 xen_ctrl_version = xen_version[0] + \
2188 ('0' + xen_version[1]).substring(-2) + \
2189 ('0' + xen_version[2]).substring(-2)
2190 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2192 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2193 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2194 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2195 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2197 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2198 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2200 have_coroutine_pool = get_option('coroutine_pool')
2201 if get_option('debug_stack_usage') and have_coroutine_pool
2202 message('Disabling coroutine pool to measure stack usage')
2203 have_coroutine_pool = false
2205 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2206 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2207 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2208 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2209 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2210 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2211 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2212 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2215 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2216 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2217 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2218 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2219 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2220 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2221 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2222 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2223 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2224 if targetos == 'windows'
2225 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2229 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2230 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2231 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2232 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2233 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2234 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2235 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2236 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2237 # Note that we need to specify prefix: here to avoid incorrectly
2238 # thinking that Windows has posix_memalign()
2239 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2240 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2241 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2242 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2243 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2244 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2245 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2246 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2247 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2248 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2249 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2250 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2251 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2252 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2253 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2254 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2255 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2256 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2258 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2259 cc.has_function('rbd_namespace_exists',
2261 prefix: '#include <rbd/librbd.h>'))
2264 config_host_data.set('HAVE_IBV_ADVISE_MR',
2265 cc.has_function('ibv_advise_mr',
2267 prefix: '#include <infiniband/verbs.h>'))
2270 have_asan_fiber = false
2271 if get_option('sanitizers') and \
2272 not cc.has_function('__sanitizer_start_switch_fiber',
2273 args: '-fsanitize=address',
2274 prefix: '#include <sanitizer/asan_interface.h>')
2275 warning('Missing ASAN due to missing fiber annotation interface')
2276 warning('Without code annotation, the report may be inferior.')
2278 have_asan_fiber = true
2280 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2283 config_host_data.set('CONFIG_BLKZONED',
2284 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2285 config_host_data.set('CONFIG_EPOLL_CREATE1',
2286 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2287 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2289 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2290 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2291 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2292 config_host_data.set('CONFIG_FIEMAP',
2293 cc.has_header('linux/fiemap.h') and
2294 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2295 config_host_data.set('CONFIG_GETRANDOM',
2296 cc.has_function('getrandom') and
2297 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2298 config_host_data.set('CONFIG_INOTIFY',
2299 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2300 config_host_data.set('CONFIG_INOTIFY1',
2301 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2302 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2303 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2304 config_host_data.set('CONFIG_RTNETLINK',
2305 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2306 config_host_data.set('CONFIG_SYSMACROS',
2307 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2308 config_host_data.set('HAVE_OPTRESET',
2309 cc.has_header_symbol('getopt.h', 'optreset'))
2310 config_host_data.set('HAVE_IPPROTO_MPTCP',
2311 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2314 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2315 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2316 prefix: '#include <signal.h>'))
2317 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2318 cc.has_member('struct stat', 'st_atim',
2319 prefix: '#include <sys/stat.h>'))
2320 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2321 cc.has_member('struct blk_zone', 'capacity',
2322 prefix: '#include <linux/blkzoned.h>'))
2325 config_host_data.set('CONFIG_IOVEC',
2326 cc.has_type('struct iovec',
2327 prefix: '#include <sys/uio.h>'))
2328 config_host_data.set('HAVE_UTMPX',
2329 cc.has_type('struct utmpx',
2330 prefix: '#include <utmpx.h>'))
2332 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2333 #include <sys/eventfd.h>
2334 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2335 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2338 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2339 return fdatasync(0);
2341 #error Not supported
2345 has_madvise = cc.links(gnu_source_prefix + '''
2346 #include <sys/types.h>
2347 #include <sys/mman.h>
2349 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2350 missing_madvise_proto = false
2352 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2353 # but forget to prototype it. In this case, has_madvise will be true (the
2354 # test program links despite a compile warning). To detect the
2355 # missing-prototype case, we try again with a definitely-bogus prototype.
2356 # This will only compile if the system headers don't provide the prototype;
2357 # otherwise the conflicting prototypes will cause a compiler error.
2358 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2359 #include <sys/types.h>
2360 #include <sys/mman.h>
2362 extern int madvise(int);
2363 int main(void) { return madvise(0); }''')
2365 config_host_data.set('CONFIG_MADVISE', has_madvise)
2366 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2368 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2369 #include <sys/mman.h>
2370 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2371 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2373 #if !defined(AT_EMPTY_PATH)
2374 # error missing definition
2376 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2378 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2379 #include <sys/mman.h>
2381 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2383 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2384 #include <pthread.h>
2386 static void *f(void *p) { return NULL; }
2390 pthread_create(&thread, 0, f, 0);
2391 pthread_setname_np(thread, "QEMU");
2393 }''', dependencies: threads))
2394 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2395 #include <pthread.h>
2397 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2401 pthread_create(&thread, 0, f, 0);
2403 }''', dependencies: threads))
2404 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2405 #include <pthread.h>
2406 #include <pthread_np.h>
2408 static void *f(void *p) { return NULL; }
2412 pthread_create(&thread, 0, f, 0);
2413 pthread_set_name_np(thread, "QEMU");
2415 }''', dependencies: threads))
2416 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2417 #include <pthread.h>
2422 pthread_condattr_t attr
2423 pthread_condattr_init(&attr);
2424 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2426 }''', dependencies: threads))
2427 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2428 #include <pthread.h>
2430 static void *f(void *p) { return NULL; }
2433 int setsize = CPU_ALLOC_SIZE(64);
2436 pthread_create(&thread, 0, f, 0);
2437 cpuset = CPU_ALLOC(64);
2438 CPU_ZERO_S(setsize, cpuset);
2439 pthread_setaffinity_np(thread, setsize, cpuset);
2440 pthread_getaffinity_np(thread, setsize, cpuset);
2443 }''', dependencies: threads))
2444 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2445 #include <sys/signalfd.h>
2447 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2448 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2456 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2457 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2461 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2462 #include <sys/mman.h>
2464 return mlockall(MCL_FUTURE);
2468 if get_option('l2tpv3').allowed() and have_system
2469 have_l2tpv3 = cc.has_type('struct mmsghdr',
2470 prefix: gnu_source_prefix + '''
2471 #include <sys/socket.h>
2472 #include <linux/ip.h>''')
2474 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2477 if get_option('netmap').allowed() and have_system
2478 have_netmap = cc.compiles('''
2479 #include <inttypes.h>
2481 #include <net/netmap.h>
2482 #include <net/netmap_user.h>
2483 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2486 int main(void) { return 0; }''')
2487 if not have_netmap and get_option('netmap').enabled()
2488 error('Netmap headers not available')
2491 config_host_data.set('CONFIG_NETMAP', have_netmap)
2493 # Work around a system header bug with some kernel/XFS header
2494 # versions where they both try to define 'struct fsxattr':
2495 # xfs headers will not try to redefine structs from linux headers
2496 # if this macro is set.
2497 config_host_data.set('HAVE_FSXATTR', cc.links('''
2498 #include <linux/fs.h>
2504 # Some versions of Mac OS X incorrectly define SIZE_MAX
2505 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2509 return printf("%zu", SIZE_MAX);
2510 }''', args: ['-Werror']))
2512 # See if 64-bit atomic operations are supported.
2513 # Note that without __atomic builtins, we can only
2514 # assume atomic loads/stores max at pointer size.
2515 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2519 uint64_t x = 0, y = 0;
2520 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2521 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2522 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2523 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2524 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2528 has_int128_type = cc.compiles('''
2531 int main(void) { b = a; }''')
2532 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2534 has_int128 = has_int128_type and cc.links('''
2543 config_host_data.set('CONFIG_INT128', has_int128)
2546 # "do we have 128-bit atomics which are handled inline and specifically not
2547 # via libatomic". The reason we can't use libatomic is documented in the
2548 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2549 # We only care about these operations on 16-byte aligned pointers, so
2550 # force 16-byte alignment of the pointer, which may be greater than
2551 # __alignof(unsigned __int128) for the host.
2552 atomic_test_128 = '''
2553 int main(int ac, char **av) {
2554 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2555 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2556 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2557 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2560 has_atomic128 = cc.links(atomic_test_128)
2562 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2564 if not has_atomic128
2565 # Even with __builtin_assume_aligned, the above test may have failed
2566 # without optimization enabled. Try again with optimizations locally
2567 # enabled for the function. See
2568 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2569 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2570 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2572 if not has_atomic128_opt
2573 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2576 __uint128_t x = 0, y = 0;
2577 __sync_val_compare_and_swap_16(&x, y, x);
2585 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2586 #include <sys/auxv.h>
2588 return getauxval(AT_HWCAP) == 0;
2591 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2592 #include <linux/usbdevice_fs.h>
2594 #ifndef USBDEVFS_GET_CAPABILITIES
2595 #error "USBDEVFS_GET_CAPABILITIES undefined"
2598 #ifndef USBDEVFS_DISCONNECT_CLAIM
2599 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2602 int main(void) { return 0; }'''))
2604 have_keyring = get_option('keyring') \
2605 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2606 .require(cc.compiles('''
2608 #include <asm/unistd.h>
2609 #include <linux/keyctl.h>
2610 #include <sys/syscall.h>
2613 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2614 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2615 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2617 have_cpuid_h = cc.links('''
2620 unsigned a, b, c, d;
2621 unsigned max = __get_cpuid_max(0, 0);
2624 __cpuid(1, a, b, c, d);
2628 __cpuid_count(7, 0, a, b, c, d);
2633 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2635 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2636 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2637 .require(cc.links('''
2639 #include <immintrin.h>
2640 static int __attribute__((target("avx2"))) bar(void *a) {
2641 __m256i x = *(__m256i *)a;
2642 return _mm256_testz_si256(x, x);
2644 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2645 '''), error_message: 'AVX2 not available').allowed())
2647 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2648 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2649 .require(cc.links('''
2651 #include <immintrin.h>
2652 static int __attribute__((target("avx512f"))) bar(void *a) {
2653 __m512i x = *(__m512i *)a;
2654 return _mm512_test_epi64_mask(x, x);
2656 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2657 '''), error_message: 'AVX512F not available').allowed())
2659 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2660 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2661 .require(cc.links('''
2663 #include <immintrin.h>
2664 static int __attribute__((target("avx512bw"))) bar(void *a) {
2666 __m512i res= _mm512_abs_epi8(*x);
2669 int main(int argc, char *argv[]) { return bar(argv[0]); }
2670 '''), error_message: 'AVX512BW not available').allowed())
2672 # For both AArch64 and AArch32, detect if builtins are available.
2673 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2674 #include <arm_neon.h>
2675 #ifndef __ARM_FEATURE_AES
2676 __attribute__((target("+crypto")))
2678 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2681 have_pvrdma = get_option('pvrdma') \
2682 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2683 .require(cc.compiles(gnu_source_prefix + '''
2684 #include <sys/mman.h>
2689 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2692 }'''), error_message: 'PVRDMA requires mremap').allowed()
2695 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2696 #include <infiniband/verbs.h>
2700 struct ibv_pd *pd = NULL;
2706 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2712 if get_option('membarrier').disabled()
2713 have_membarrier = false
2714 elif targetos == 'windows'
2715 have_membarrier = true
2716 elif targetos == 'linux'
2717 have_membarrier = cc.compiles('''
2718 #include <linux/membarrier.h>
2719 #include <sys/syscall.h>
2723 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2724 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2728 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2729 .require(have_membarrier, error_message: 'membarrier system call not available') \
2732 have_afalg = get_option('crypto_afalg') \
2733 .require(cc.compiles(gnu_source_prefix + '''
2735 #include <sys/types.h>
2736 #include <sys/socket.h>
2737 #include <linux/if_alg.h>
2740 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2743 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2744 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2746 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2747 'linux/vm_sockets.h', 'AF_VSOCK',
2748 prefix: '#include <sys/socket.h>',
2752 have_vss_sdk = false # old xp/2003 SDK
2753 if targetos == 'windows' and 'cpp' in all_languages
2754 have_vss = cxx.compiles('''
2755 #define __MIDL_user_allocate_free_DEFINED__
2757 int main(void) { return VSS_CTX_BACKUP; }''')
2758 have_vss_sdk = cxx.has_header('vscoordint.h')
2760 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2762 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2763 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2764 if targetos == 'windows'
2765 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2771 }''', name: '_lock_file and _unlock_file'))
2774 if targetos == 'windows'
2775 mingw_has_setjmp_longjmp = cc.links('''
2779 * These functions are not available in setjmp header, but may be
2780 * available at link time, from libmingwex.a.
2782 extern int __mingw_setjmp(jmp_buf);
2783 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2785 __mingw_setjmp(env);
2786 __mingw_longjmp(env, 0);
2788 ''', name: 'mingw setjmp and longjmp')
2790 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2791 error('mingw must provide setjmp/longjmp for windows-arm64')
2795 ########################
2796 # Target configuration #
2797 ########################
2799 minikconf = find_program('scripts/minikconf.py')
2801 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2803 if targetos == 'darwin'
2804 config_targetos += {'CONFIG_DARWIN': 'y'}
2805 elif targetos == 'linux'
2806 config_targetos += {'CONFIG_LINUX': 'y'}
2808 if targetos in bsd_oses
2809 config_targetos += {'CONFIG_BSD': 'y'}
2813 config_all_devices = {}
2814 config_all_disas = {}
2815 config_devices_mak_list = []
2816 config_devices_h = {}
2817 config_target_h = {}
2818 config_target_mak = {}
2821 'alpha' : ['CONFIG_ALPHA_DIS'],
2822 'avr' : ['CONFIG_AVR_DIS'],
2823 'cris' : ['CONFIG_CRIS_DIS'],
2824 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2825 'hppa' : ['CONFIG_HPPA_DIS'],
2826 'i386' : ['CONFIG_I386_DIS'],
2827 'x86_64' : ['CONFIG_I386_DIS'],
2828 'm68k' : ['CONFIG_M68K_DIS'],
2829 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2830 'mips' : ['CONFIG_MIPS_DIS'],
2831 'nios2' : ['CONFIG_NIOS2_DIS'],
2832 'or1k' : ['CONFIG_OPENRISC_DIS'],
2833 'ppc' : ['CONFIG_PPC_DIS'],
2834 'riscv' : ['CONFIG_RISCV_DIS'],
2835 'rx' : ['CONFIG_RX_DIS'],
2836 's390' : ['CONFIG_S390_DIS'],
2837 'sh4' : ['CONFIG_SH4_DIS'],
2838 'sparc' : ['CONFIG_SPARC_DIS'],
2839 'xtensa' : ['CONFIG_XTENSA_DIS'],
2840 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2843 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2845 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2846 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2847 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2848 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2849 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2850 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2851 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2852 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2853 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2854 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2855 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2856 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2857 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2858 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2860 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2862 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2863 actual_target_dirs = []
2865 foreach target : target_dirs
2866 config_target = { 'TARGET_NAME': target.split('-')[0] }
2867 if target.endswith('linux-user')
2868 if targetos != 'linux'
2872 error('Target @0@ is only available on a Linux host'.format(target))
2874 config_target += { 'CONFIG_LINUX_USER': 'y' }
2875 elif target.endswith('bsd-user')
2876 if targetos not in bsd_oses
2880 error('Target @0@ is only available on a BSD host'.format(target))
2882 config_target += { 'CONFIG_BSD_USER': 'y' }
2883 elif target.endswith('softmmu')
2884 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2885 config_target += { 'CONFIG_SOFTMMU': 'y' }
2887 if target.endswith('-user')
2889 'CONFIG_USER_ONLY': 'y',
2890 'CONFIG_QEMU_INTERP_PREFIX':
2891 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2896 foreach sym: accelerators
2897 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2898 config_target += { sym: 'y' }
2899 config_all += { sym: 'y' }
2900 if target in modular_tcg
2901 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2903 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2905 accel_kconfig += [ sym + '=y' ]
2908 if accel_kconfig.length() == 0
2912 error('No accelerator available for target @0@'.format(target))
2915 actual_target_dirs += target
2916 config_target += keyval.load('configs/targets' / target + '.mak')
2917 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2919 if 'TARGET_NEED_FDT' in config_target
2920 fdt_required += target
2924 if 'TARGET_BASE_ARCH' not in config_target
2925 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2927 if 'TARGET_ABI_DIR' not in config_target
2928 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2930 if 'TARGET_BIG_ENDIAN' not in config_target
2931 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2934 foreach k, v: disassemblers
2935 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2937 config_target += { sym: 'y' }
2938 config_all_disas += { sym: 'y' }
2943 config_target_data = configuration_data()
2944 foreach k, v: config_target
2945 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2947 elif ignored.contains(k)
2949 elif k == 'TARGET_BASE_ARCH'
2950 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2951 # not used to select files from sourcesets.
2952 config_target_data.set('TARGET_' + v.to_upper(), 1)
2953 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2954 config_target_data.set_quoted(k, v)
2956 config_target_data.set(k, 1)
2958 config_target_data.set(k, 0)
2960 config_target_data.set(k, v)
2963 config_target_data.set('QEMU_ARCH',
2964 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2965 config_target_h += {target: configure_file(output: target + '-config-target.h',
2966 configuration: config_target_data)}
2968 if target.endswith('-softmmu')
2969 config_input = meson.get_external_property(target, 'default')
2970 config_devices_mak = target + '-config-devices.mak'
2971 config_devices_mak = configure_file(
2972 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2973 output: config_devices_mak,
2974 depfile: config_devices_mak + '.d',
2976 command: [minikconf,
2977 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2978 config_devices_mak, '@DEPFILE@', '@INPUT@',
2979 host_kconfig, accel_kconfig,
2980 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2982 config_devices_data = configuration_data()
2983 config_devices = keyval.load(config_devices_mak)
2984 foreach k, v: config_devices
2985 config_devices_data.set(k, 1)
2987 config_devices_mak_list += config_devices_mak
2988 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2989 configuration: config_devices_data)}
2990 config_target += config_devices
2991 config_all_devices += config_devices
2993 config_target_mak += {target: config_target}
2995 target_dirs = actual_target_dirs
2997 # This configuration is used to build files that are shared by
2998 # multiple binaries, and then extracted out of the "common"
2999 # static_library target.
3001 # We do not use all_sources()/all_dependencies(), because it would
3002 # build literally all source files, including devices only used by
3003 # targets that are not built for this compilation. The CONFIG_ALL
3004 # pseudo symbol replaces it.
3006 config_all += config_all_devices
3007 config_all += config_targetos
3008 config_all += config_all_disas
3010 'CONFIG_XEN': xen.found(),
3011 'CONFIG_SYSTEM_ONLY': have_system,
3012 'CONFIG_USER_ONLY': have_user,
3016 target_configs_h = []
3017 foreach target: target_dirs
3018 target_configs_h += config_target_h[target]
3019 target_configs_h += config_devices_h.get(target, [])
3021 genh += custom_target('config-poison.h',
3022 input: [target_configs_h],
3023 output: 'config-poison.h',
3025 command: [find_program('scripts/make-config-poison.sh'),
3032 capstone = not_found
3033 if not get_option('capstone').auto() or have_system or have_user
3034 capstone = dependency('capstone', version: '>=3.0.5',
3035 method: 'pkg-config',
3036 required: get_option('capstone'))
3038 # Some versions of capstone have broken pkg-config file
3039 # that reports a wrong -I path, causing the #include to
3040 # fail later. If the system has such a broken version
3042 if capstone.found() and not cc.compiles('#include <capstone.h>',
3043 dependencies: [capstone])
3044 capstone = not_found
3045 if get_option('capstone').enabled()
3046 error('capstone requested, but it does not appear to work')
3051 libvfio_user_dep = not_found
3052 if have_system and vfio_user_server_allowed
3053 libvfio_user_proj = subproject('libvfio-user', required: true)
3054 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3058 fdt_opt = get_option('fdt')
3059 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3060 if fdt_opt == 'disabled'
3061 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3064 if fdt_opt in ['enabled', 'auto', 'system']
3065 if get_option('wrap_mode') == 'nodownload'
3068 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3069 if fdt.found() and cc.links('''
3071 #include <libfdt_env.h>
3072 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3075 elif fdt_opt == 'system'
3076 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3078 fdt_opt = 'internal'
3083 assert(fdt_opt == 'internal')
3084 libfdt_proj = subproject('dtc', required: true,
3085 default_options: ['tools=false', 'yaml=disabled',
3086 'python=disabled', 'default_library=static'])
3087 fdt = libfdt_proj.get_variable('libfdt_dep')
3090 fdt_opt = 'disabled'
3093 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3094 config_host_data.set('CONFIG_FDT', fdt.found())
3095 config_host_data.set('CONFIG_SLIRP', slirp.found())
3097 #####################
3098 # Generated sources #
3099 #####################
3101 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3103 hxtool = find_program('scripts/hxtool')
3104 shaderinclude = find_program('scripts/shaderinclude.py')
3105 qapi_gen = find_program('scripts/qapi-gen.py')
3106 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3107 meson.current_source_dir() / 'scripts/qapi/commands.py',
3108 meson.current_source_dir() / 'scripts/qapi/common.py',
3109 meson.current_source_dir() / 'scripts/qapi/error.py',
3110 meson.current_source_dir() / 'scripts/qapi/events.py',
3111 meson.current_source_dir() / 'scripts/qapi/expr.py',
3112 meson.current_source_dir() / 'scripts/qapi/gen.py',
3113 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3114 meson.current_source_dir() / 'scripts/qapi/main.py',
3115 meson.current_source_dir() / 'scripts/qapi/parser.py',
3116 meson.current_source_dir() / 'scripts/qapi/schema.py',
3117 meson.current_source_dir() / 'scripts/qapi/source.py',
3118 meson.current_source_dir() / 'scripts/qapi/types.py',
3119 meson.current_source_dir() / 'scripts/qapi/visit.py',
3120 meson.current_source_dir() / 'scripts/qapi-gen.py'
3124 python, files('scripts/tracetool.py'),
3125 '--backend=' + ','.join(get_option('trace_backends'))
3127 tracetool_depends = files(
3128 'scripts/tracetool/backend/log.py',
3129 'scripts/tracetool/backend/__init__.py',
3130 'scripts/tracetool/backend/dtrace.py',
3131 'scripts/tracetool/backend/ftrace.py',
3132 'scripts/tracetool/backend/simple.py',
3133 'scripts/tracetool/backend/syslog.py',
3134 'scripts/tracetool/backend/ust.py',
3135 'scripts/tracetool/format/ust_events_c.py',
3136 'scripts/tracetool/format/ust_events_h.py',
3137 'scripts/tracetool/format/__init__.py',
3138 'scripts/tracetool/format/d.py',
3139 'scripts/tracetool/format/simpletrace_stap.py',
3140 'scripts/tracetool/format/c.py',
3141 'scripts/tracetool/format/h.py',
3142 'scripts/tracetool/format/log_stap.py',
3143 'scripts/tracetool/format/stap.py',
3144 'scripts/tracetool/__init__.py',
3145 'scripts/tracetool/vcpu.py'
3148 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3149 meson.current_source_dir(),
3150 get_option('pkgversion'), meson.project_version()]
3151 qemu_version = custom_target('qemu-version.h',
3152 output: 'qemu-version.h',
3153 command: qemu_version_cmd,
3155 build_by_default: true,
3156 build_always_stale: true)
3157 genh += qemu_version
3161 ['qemu-options.hx', 'qemu-options.def'],
3162 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3166 ['hmp-commands.hx', 'hmp-commands.h'],
3167 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3170 foreach d : hx_headers
3171 hxdep += custom_target(d[1],
3175 command: [hxtool, '-h', '@INPUT0@'])
3183 authz_ss = ss.source_set()
3184 blockdev_ss = ss.source_set()
3185 block_ss = ss.source_set()
3186 chardev_ss = ss.source_set()
3187 common_ss = ss.source_set()
3188 crypto_ss = ss.source_set()
3189 hwcore_ss = ss.source_set()
3190 io_ss = ss.source_set()
3191 qmp_ss = ss.source_set()
3192 qom_ss = ss.source_set()
3193 system_ss = ss.source_set()
3194 specific_fuzz_ss = ss.source_set()
3195 specific_ss = ss.source_set()
3196 stub_ss = ss.source_set()
3197 trace_ss = ss.source_set()
3198 user_ss = ss.source_set()
3199 util_ss = ss.source_set()
3202 qtest_module_ss = ss.source_set()
3203 tcg_module_ss = ss.source_set()
3209 target_system_arch = {}
3210 target_user_arch = {}
3216 # TODO: add each directory to the subdirs from its own meson.build, once
3218 trace_events_subdirs = [
3227 trace_events_subdirs += [ 'linux-user' ]
3230 trace_events_subdirs += [ 'bsd-user' ]
3233 trace_events_subdirs += [
3242 trace_events_subdirs += [
3256 'hw/block/dataplane',
3307 if have_system or have_user
3308 trace_events_subdirs += [
3326 vhost_user = not_found
3327 if targetos == 'linux' and have_vhost_user
3328 libvhost_user = subproject('libvhost-user')
3329 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3332 libvduse = not_found
3334 libvduse_proj = subproject('libvduse')
3335 libvduse = libvduse_proj.get_variable('libvduse_dep')
3338 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3339 # that is filled in by qapi/.
3353 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3354 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3357 qom_ss = qom_ss.apply(config_targetos, strict: false)
3358 libqom = static_library('qom', qom_ss.sources() + genh,
3359 dependencies: [qom_ss.dependencies()],
3361 build_by_default: false)
3362 qom = declare_dependency(link_whole: libqom)
3364 event_loop_base = files('event-loop-base.c')
3365 event_loop_base = static_library('event-loop-base',
3366 sources: event_loop_base + genh,
3368 build_by_default: false)
3369 event_loop_base = declare_dependency(link_whole: event_loop_base,
3370 dependencies: [qom])
3372 stub_ss = stub_ss.apply(config_all, strict: false)
3374 util_ss.add_all(trace_ss)
3375 util_ss = util_ss.apply(config_all, strict: false)
3376 libqemuutil = static_library('qemuutil',
3377 build_by_default: false,
3378 sources: util_ss.sources() + stub_ss.sources() + genh,
3379 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3380 qemuutil = declare_dependency(link_with: libqemuutil,
3381 sources: genh + version_res,
3382 dependencies: [event_loop_base])
3384 if have_system or have_user
3385 decodetree = generator(find_program('scripts/decodetree.py'),
3386 output: 'decode-@BASENAME@.c.inc',
3387 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3388 subdir('libdecnumber')
3405 if config_host_data.get('CONFIG_REPLICATION')
3406 block_ss.add(files('replication.c'))
3413 blockdev_ss.add(files(
3420 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3421 # os-win32.c does not
3422 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3423 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3426 common_ss.add(files('cpu-common.c'))
3427 specific_ss.add(files('cpu-target.c'))
3431 # Work around a gcc bug/misfeature wherein constant propagation looks
3433 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3434 # to guess that a const variable is always zero. Without lto, this is
3435 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3436 # without lto, not even the alias is required -- we simply use different
3437 # declarations in different compilation units.
3438 pagevary = files('page-vary-common.c')
3439 if get_option('b_lto')
3440 pagevary_flags = ['-fno-lto']
3441 if get_option('cfi')
3442 pagevary_flags += '-fno-sanitize=cfi-icall'
3444 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3445 c_args: pagevary_flags)
3446 pagevary = declare_dependency(link_with: pagevary)
3448 common_ss.add(pagevary)
3449 specific_ss.add(files('page-vary-target.c'))
3457 subdir('semihosting')
3465 common_user_inc = []
3467 subdir('common-user')
3469 subdir('linux-user')
3471 # needed for fuzzing binaries
3472 subdir('tests/qtest/libqos')
3473 subdir('tests/qtest/fuzz')
3476 tcg_real_module_ss = ss.source_set()
3477 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3478 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3479 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3480 'tcg': tcg_real_module_ss }}
3482 ########################
3483 # Library dependencies #
3484 ########################
3486 modinfo_collect = find_program('scripts/modinfo-collect.py')
3487 modinfo_generate = find_program('scripts/modinfo-generate.py')
3492 foreach d, list : modules
3493 if not (d == 'block' ? have_block : have_system)
3497 foreach m, module_ss : list
3499 module_ss = module_ss.apply(config_all, strict: false)
3500 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3501 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3507 if module_ss.sources() != []
3508 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3509 # input. Sources can be used multiple times but objects are
3510 # unique when it comes to lookup in compile_commands.json.
3511 # Depnds on a mesion version with
3512 # https://github.com/mesonbuild/meson/pull/8900
3513 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3514 output: d + '-' + m + '.modinfo',
3515 input: module_ss.sources() + genh,
3517 command: [modinfo_collect, module_ss.sources()])
3521 block_ss.add_all(module_ss)
3523 system_ss.add_all(module_ss)
3529 foreach d, list : target_modules
3530 foreach m, module_ss : list
3532 foreach target : target_dirs
3533 if target.endswith('-softmmu')
3534 config_target = config_target_mak[target]
3535 config_target += config_targetos
3536 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3537 c_args = ['-DNEED_CPU_H',
3538 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3539 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3540 target_module_ss = module_ss.apply(config_target, strict: false)
3541 if target_module_ss.sources() != []
3542 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3543 sl = static_library(module_name,
3544 [genh, target_module_ss.sources()],
3545 dependencies: [modulecommon, target_module_ss.dependencies()],
3546 include_directories: target_inc,
3550 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3551 modinfo_files += custom_target(module_name + '.modinfo',
3552 output: module_name + '.modinfo',
3553 input: target_module_ss.sources() + genh,
3555 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3560 specific_ss.add_all(module_ss)
3566 foreach target : target_dirs
3567 if target.endswith('-softmmu')
3568 config_target = config_target_mak[target]
3569 config_devices_mak = target + '-config-devices.mak'
3570 modinfo_src = custom_target('modinfo-' + target + '.c',
3571 output: 'modinfo-' + target + '.c',
3572 input: modinfo_files,
3573 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3576 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3577 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3579 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3580 hw_arch[arch].add(modinfo_dep)
3585 nm = find_program('nm')
3586 undefsym = find_program('scripts/undefsym.py')
3587 block_syms = custom_target('block.syms', output: 'block.syms',
3588 input: [libqemuutil, block_mods],
3590 command: [undefsym, nm, '@INPUT@'])
3591 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3592 input: [libqemuutil, system_mods],
3594 command: [undefsym, nm, '@INPUT@'])
3596 authz_ss = authz_ss.apply(config_targetos, strict: false)
3597 libauthz = static_library('authz', authz_ss.sources() + genh,
3598 dependencies: [authz_ss.dependencies()],
3600 build_by_default: false)
3602 authz = declare_dependency(link_whole: libauthz,
3605 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3606 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3607 dependencies: [crypto_ss.dependencies()],
3609 build_by_default: false)
3611 crypto = declare_dependency(link_whole: libcrypto,
3612 dependencies: [authz, qom])
3614 io_ss = io_ss.apply(config_targetos, strict: false)
3615 libio = static_library('io', io_ss.sources() + genh,
3616 dependencies: [io_ss.dependencies()],
3617 link_with: libqemuutil,
3619 build_by_default: false)
3621 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3623 libmigration = static_library('migration', sources: migration_files + genh,
3625 build_by_default: false)
3626 migration = declare_dependency(link_with: libmigration,
3627 dependencies: [zlib, qom, io])
3628 system_ss.add(migration)
3630 block_ss = block_ss.apply(config_targetos, strict: false)
3631 libblock = static_library('block', block_ss.sources() + genh,
3632 dependencies: block_ss.dependencies(),
3633 link_depends: block_syms,
3635 build_by_default: false)
3637 block = declare_dependency(link_whole: [libblock],
3638 link_args: '@block.syms',
3639 dependencies: [crypto, io])
3641 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3642 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3643 dependencies: blockdev_ss.dependencies(),
3645 build_by_default: false)
3647 blockdev = declare_dependency(link_whole: [libblockdev],
3648 dependencies: [block, event_loop_base])
3650 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3651 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3652 dependencies: qmp_ss.dependencies(),
3654 build_by_default: false)
3656 qmp = declare_dependency(link_whole: [libqmp])
3658 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3660 dependencies: chardev_ss.dependencies(),
3661 build_by_default: false)
3663 chardev = declare_dependency(link_whole: libchardev)
3665 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3666 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3668 build_by_default: false)
3669 hwcore = declare_dependency(link_whole: libhwcore)
3670 common_ss.add(hwcore)
3676 emulator_modules = []
3677 foreach m : block_mods + system_mods
3678 emulator_modules += shared_module(m.name(),
3679 build_by_default: true,
3683 install_dir: qemu_moddir)
3685 if emulator_modules.length() > 0
3686 alias_target('modules', emulator_modules)
3689 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3690 common_ss.add(qom, qemuutil)
3692 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3693 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3695 common_all = common_ss.apply(config_all, strict: false)
3696 common_all = static_library('common',
3697 build_by_default: false,
3698 sources: common_all.sources() + genh,
3699 include_directories: common_user_inc,
3700 implicit_include_directories: false,
3701 dependencies: common_all.dependencies(),
3704 feature_to_c = find_program('scripts/feature_to_c.py')
3706 if targetos == 'darwin'
3707 entitlement = find_program('scripts/entitlement.sh')
3711 foreach target : target_dirs
3712 config_target = config_target_mak[target]
3713 target_name = config_target['TARGET_NAME']
3714 target_base_arch = config_target['TARGET_BASE_ARCH']
3715 arch_srcs = [config_target_h[target]]
3717 c_args = ['-DNEED_CPU_H',
3718 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3719 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3720 link_args = emulator_link_args
3722 config_target += config_targetos
3723 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3724 if targetos == 'linux'
3725 target_inc += include_directories('linux-headers', is_system: true)
3727 if target.endswith('-softmmu')
3728 target_type='system'
3729 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3730 arch_srcs += t.sources()
3731 arch_deps += t.dependencies()
3733 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3734 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3735 arch_srcs += hw.sources()
3736 arch_deps += hw.dependencies()
3738 arch_srcs += config_devices_h[target]
3739 link_args += ['@block.syms', '@qemu.syms']
3741 abi = config_target['TARGET_ABI_DIR']
3743 target_inc += common_user_inc
3744 if target_base_arch in target_user_arch
3745 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3746 arch_srcs += t.sources()
3747 arch_deps += t.dependencies()
3749 if 'CONFIG_LINUX_USER' in config_target
3750 base_dir = 'linux-user'
3752 if 'CONFIG_BSD_USER' in config_target
3753 base_dir = 'bsd-user'
3754 target_inc += include_directories('bsd-user/' / targetos)
3755 target_inc += include_directories('bsd-user/host/' / host_arch)
3756 dir = base_dir / abi
3757 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3759 target_inc += include_directories(
3763 if 'CONFIG_LINUX_USER' in config_target
3764 dir = base_dir / abi
3765 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3766 if config_target.has_key('TARGET_SYSTBL_ABI')
3768 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3769 extra_args : config_target['TARGET_SYSTBL_ABI'])
3774 if 'TARGET_XML_FILES' in config_target
3775 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3776 output: target + '-gdbstub-xml.c',
3777 input: files(config_target['TARGET_XML_FILES'].split()),
3778 command: [feature_to_c, '@INPUT@'],
3780 arch_srcs += gdbstub_xml
3783 t = target_arch[target_base_arch].apply(config_target, strict: false)
3784 arch_srcs += t.sources()
3785 arch_deps += t.dependencies()
3787 target_common = common_ss.apply(config_target, strict: false)
3788 objects = common_all.extract_objects(target_common.sources())
3789 deps = target_common.dependencies()
3791 target_specific = specific_ss.apply(config_target, strict: false)
3792 arch_srcs += target_specific.sources()
3793 arch_deps += target_specific.dependencies()
3795 lib = static_library('qemu-' + target,
3796 sources: arch_srcs + genh,
3797 dependencies: arch_deps,
3799 include_directories: target_inc,
3801 build_by_default: false,
3804 if target.endswith('-softmmu')
3806 'name': 'qemu-system-' + target_name,
3807 'win_subsystem': 'console',
3808 'sources': files('system/main.c'),
3811 if targetos == 'windows' and (sdl.found() or gtk.found())
3813 'name': 'qemu-system-' + target_name + 'w',
3814 'win_subsystem': 'windows',
3815 'sources': files('system/main.c'),
3819 if get_option('fuzzing')
3820 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3822 'name': 'qemu-fuzz-' + target_name,
3823 'win_subsystem': 'console',
3824 'sources': specific_fuzz.sources(),
3825 'dependencies': specific_fuzz.dependencies(),
3830 'name': 'qemu-' + target_name,
3831 'win_subsystem': 'console',
3837 exe_name = exe['name']
3838 if targetos == 'darwin'
3839 exe_name += '-unsigned'
3842 emulator = executable(exe_name, exe['sources'],
3845 dependencies: arch_deps + deps + exe['dependencies'],
3846 objects: lib.extract_all_objects(recursive: true),
3847 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3848 link_args: link_args,
3849 win_subsystem: exe['win_subsystem'])
3851 if targetos == 'darwin'
3852 icon = 'pc-bios/qemu.rsrc'
3853 build_input = [emulator, files(icon)]
3855 get_option('bindir') / exe_name,
3856 meson.current_source_dir() / icon
3858 if 'CONFIG_HVF' in config_target
3859 entitlements = 'accel/hvf/entitlements.plist'
3860 build_input += files(entitlements)
3861 install_input += meson.current_source_dir() / entitlements
3864 emulators += {exe['name'] : custom_target(exe['name'],
3866 output: exe['name'],
3867 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3870 meson.add_install_script(entitlement, '--install',
3871 get_option('bindir') / exe['name'],
3874 emulators += {exe['name']: emulator}
3879 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3880 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3881 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3882 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3884 custom_target(exe['name'] + stp['ext'],
3885 input: trace_events_all,
3886 output: exe['name'] + stp['ext'],
3887 install: stp['install'],
3888 install_dir: get_option('datadir') / 'systemtap/tapset',
3890 tracetool, '--group=all', '--format=' + stp['fmt'],
3891 '--binary=' + stp['bin'],
3892 '--target-name=' + target_name,
3893 '--target-type=' + target_type,
3894 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3895 '@INPUT@', '@OUTPUT@'
3897 depend_files: tracetool_depends)
3903 # Other build targets
3905 if get_option('plugins')
3906 install_headers('include/qemu/qemu-plugin.h')
3911 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3912 # when we don't build tools or system
3913 if xkbcommon.found()
3914 # used for the update-keymaps target, so include rules even if !have_tools
3915 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3916 dependencies: [qemuutil, xkbcommon], install: have_tools)
3920 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3921 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3922 qemu_io = executable('qemu-io', files('qemu-io.c'),
3923 dependencies: [block, qemuutil], install: true)
3924 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3925 dependencies: [blockdev, qemuutil, gnutls, selinux],
3928 subdir('storage-daemon')
3929 subdir('contrib/rdmacm-mux')
3930 subdir('contrib/elf2dmp')
3932 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3933 dependencies: qemuutil,
3937 subdir('contrib/vhost-user-blk')
3938 subdir('contrib/vhost-user-gpu')
3939 subdir('contrib/vhost-user-input')
3940 subdir('contrib/vhost-user-scsi')
3943 if targetos == 'linux'
3944 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3945 dependencies: [qemuutil, libcap_ng],
3947 install_dir: get_option('libexecdir'))
3949 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3950 dependencies: [authz, crypto, io, qom, qemuutil,
3951 libcap_ng, mpathpersist],
3956 subdir('contrib/ivshmem-client')
3957 subdir('contrib/ivshmem-server')
3970 if host_machine.system() == 'windows'
3972 find_program('scripts/nsis.py'),
3974 get_option('prefix'),
3975 meson.current_source_dir(),
3976 glib_pc.get_variable('bindir'),
3979 '-DDISPLAYVERSION=' + meson.project_version(),
3982 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3985 nsis_cmd += '-DCONFIG_GTK=y'
3988 nsis = custom_target('nsis',
3989 output: 'qemu-setup-' + meson.project_version() + '.exe',
3990 input: files('qemu.nsi'),
3991 build_always_stale: true,
3992 command: nsis_cmd + ['@INPUT@'])
3993 alias_target('installer', nsis)
3996 #########################
3997 # Configuration summary #
3998 #########################
4002 summary_info += {'Build directory': meson.current_build_dir()}
4003 summary_info += {'Source path': meson.current_source_dir()}
4004 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4005 summary(summary_info, bool_yn: true, section: 'Build environment')
4008 summary_info += {'Install prefix': get_option('prefix')}
4009 summary_info += {'BIOS directory': qemu_datadir}
4010 pathsep = targetos == 'windows' ? ';' : ':'
4011 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4012 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4013 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4014 summary_info += {'module directory': qemu_moddir}
4015 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4016 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4017 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4018 if targetos != 'windows'
4019 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4020 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4022 summary_info += {'local state directory': 'queried at runtime'}
4024 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4025 summary(summary_info, bool_yn: true, section: 'Directories')
4029 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4030 summary_info += {'sphinx-build': sphinx_build}
4032 # FIXME: the [binaries] section of machine files, which can be probed
4033 # with find_program(), would be great for passing gdb and genisoimage
4034 # paths from configure to Meson. However, there seems to be no way to
4035 # hide a program (for example if gdb is too old).
4036 if config_host.has_key('GDB')
4037 summary_info += {'gdb': config_host['GDB']}
4039 summary_info += {'iasl': iasl}
4040 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4041 if targetos == 'windows' and have_ga
4042 summary_info += {'wixl': wixl}
4044 if slirp.found() and have_system
4045 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4047 summary(summary_info, bool_yn: true, section: 'Host binaries')
4049 # Configurable features
4051 summary_info += {'Documentation': build_docs}
4052 summary_info += {'system-mode emulation': have_system}
4053 summary_info += {'user-mode emulation': have_user}
4054 summary_info += {'block layer': have_block}
4055 summary_info += {'Install blobs': get_option('install_blobs')}
4056 summary_info += {'module support': enable_modules}
4058 summary_info += {'alternative module path': get_option('module_upgrades')}
4060 summary_info += {'fuzzing support': get_option('fuzzing')}
4062 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4064 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4065 if 'simple' in get_option('trace_backends')
4066 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4068 summary_info += {'D-Bus display': dbus_display}
4069 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4070 summary_info += {'Relocatable install': get_option('relocatable')}
4071 summary_info += {'vhost-kernel support': have_vhost_kernel}
4072 summary_info += {'vhost-net support': have_vhost_net}
4073 summary_info += {'vhost-user support': have_vhost_user}
4074 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4075 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4076 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4077 summary_info += {'build guest agent': have_ga}
4078 summary(summary_info, bool_yn: true, section: 'Configurable features')
4080 # Compilation information
4082 summary_info += {'host CPU': cpu}
4083 summary_info += {'host endianness': build_machine.endian()}
4084 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4085 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4086 if 'cpp' in all_languages
4087 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4089 summary_info += {'C++ compiler': false}
4091 if 'objc' in all_languages
4092 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4094 summary_info += {'Objective-C compiler': false}
4096 option_cflags = (get_option('debug') ? ['-g'] : [])
4097 if get_option('optimization') != 'plain'
4098 option_cflags += ['-O' + get_option('optimization')]
4100 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4101 if 'cpp' in all_languages
4102 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4104 if 'objc' in all_languages
4105 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4107 link_args = get_option('c_link_args')
4108 if link_args.length() > 0
4109 summary_info += {'LDFLAGS': ' '.join(link_args)}
4111 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4112 if 'cpp' in all_languages
4113 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4115 if 'objc' in all_languages
4116 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4118 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4119 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4120 summary_info += {'PIE': get_option('b_pie')}
4121 summary_info += {'static build': get_option('prefer_static')}
4122 summary_info += {'malloc trim support': has_malloc_trim}
4123 summary_info += {'membarrier': have_membarrier}
4124 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4125 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4126 summary_info += {'mutex debugging': get_option('debug_mutex')}
4127 summary_info += {'memory allocator': get_option('malloc')}
4128 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4129 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4130 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4131 summary_info += {'gcov': get_option('b_coverage')}
4132 summary_info += {'thread sanitizer': get_option('tsan')}
4133 summary_info += {'CFI support': get_option('cfi')}
4134 if get_option('cfi')
4135 summary_info += {'CFI debug support': get_option('cfi_debug')}
4137 summary_info += {'strip binaries': get_option('strip')}
4138 summary_info += {'sparse': sparse}
4139 summary_info += {'mingw32 support': targetos == 'windows'}
4140 summary(summary_info, bool_yn: true, section: 'Compilation')
4142 # snarf the cross-compilation information for tests
4145 foreach target: target_dirs
4146 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4147 if fs.exists(tcg_mak)
4148 config_cross_tcg = keyval.load(tcg_mak)
4149 if 'CC' in config_cross_tcg
4150 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4156 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4159 # Targets and accelerators
4162 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4163 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4164 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4165 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4166 summary_info += {'Xen support': xen.found()}
4168 summary_info += {'xen ctrl version': xen.version()}
4170 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4172 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4173 if config_all.has_key('CONFIG_TCG')
4174 if get_option('tcg_interpreter')
4175 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4177 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4179 summary_info += {'TCG plugins': get_option('plugins')}
4180 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4182 summary_info += {'target list': ' '.join(target_dirs)}
4184 summary_info += {'default devices': get_option('default_devices')}
4185 summary_info += {'out of process emulation': multiprocess_allowed}
4186 summary_info += {'vfio-user server': vfio_user_server_allowed}
4188 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4192 summary_info += {'coroutine backend': coroutine_backend}
4193 summary_info += {'coroutine pool': have_coroutine_pool}
4195 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4196 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4197 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4198 summary_info += {'VirtFS (9P) support': have_virtfs}
4199 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4200 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4201 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4202 summary_info += {'bochs support': get_option('bochs').allowed()}
4203 summary_info += {'cloop support': get_option('cloop').allowed()}
4204 summary_info += {'dmg support': get_option('dmg').allowed()}
4205 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4206 summary_info += {'vdi support': get_option('vdi').allowed()}
4207 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4208 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4209 summary_info += {'vpc support': get_option('vpc').allowed()}
4210 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4211 summary_info += {'qed support': get_option('qed').allowed()}
4212 summary_info += {'parallels support': get_option('parallels').allowed()}
4213 summary_info += {'FUSE exports': fuse}
4214 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4216 summary(summary_info, bool_yn: true, section: 'Block layer support')
4220 summary_info += {'TLS priority': get_option('tls_priority')}
4221 summary_info += {'GNUTLS support': gnutls}
4223 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4225 summary_info += {'libgcrypt': gcrypt}
4226 summary_info += {'nettle': nettle}
4228 summary_info += {' XTS': xts != 'private'}
4230 summary_info += {'AF_ALG support': have_afalg}
4231 summary_info += {'rng-none': get_option('rng_none')}
4232 summary_info += {'Linux keyring': have_keyring}
4233 summary_info += {'Linux keyutils': keyutils}
4234 summary(summary_info, bool_yn: true, section: 'Crypto')
4238 if targetos == 'darwin'
4239 summary_info += {'Cocoa support': cocoa}
4241 summary_info += {'SDL support': sdl}
4242 summary_info += {'SDL image support': sdl_image}
4243 summary_info += {'GTK support': gtk}
4244 summary_info += {'pixman': pixman}
4245 summary_info += {'VTE support': vte}
4246 summary_info += {'PNG support': png}
4247 summary_info += {'VNC support': vnc}
4249 summary_info += {'VNC SASL support': sasl}
4250 summary_info += {'VNC JPEG support': jpeg}
4252 summary_info += {'spice protocol support': spice_protocol}
4253 if spice_protocol.found()
4254 summary_info += {' spice server support': spice}
4256 summary_info += {'curses support': curses}
4257 summary_info += {'brlapi support': brlapi}
4258 summary(summary_info, bool_yn: true, section: 'User interface')
4262 if targetos not in ['darwin', 'haiku', 'windows']
4263 summary_info += {'OSS support': oss}
4264 summary_info += {'sndio support': sndio}
4265 elif targetos == 'darwin'
4266 summary_info += {'CoreAudio support': coreaudio}
4267 elif targetos == 'windows'
4268 summary_info += {'DirectSound support': dsound}
4270 if targetos == 'linux'
4271 summary_info += {'ALSA support': alsa}
4272 summary_info += {'PulseAudio support': pulse}
4274 summary_info += {'PipeWire support': pipewire}
4275 summary_info += {'JACK support': jack}
4276 summary(summary_info, bool_yn: true, section: 'Audio backends')
4280 if targetos == 'darwin'
4281 summary_info += {'vmnet.framework support': vmnet}
4283 summary_info += {'AF_XDP support': libxdp}
4284 summary_info += {'slirp support': slirp}
4285 summary_info += {'vde support': vde}
4286 summary_info += {'netmap support': have_netmap}
4287 summary_info += {'l2tpv3 support': have_l2tpv3}
4288 summary(summary_info, bool_yn: true, section: 'Network backends')
4292 summary_info += {'libtasn1': tasn1}
4293 summary_info += {'PAM': pam}
4294 summary_info += {'iconv support': iconv}
4295 summary_info += {'virgl support': virgl}
4296 summary_info += {'rutabaga support': rutabaga}
4297 summary_info += {'blkio support': blkio}
4298 summary_info += {'curl support': curl}
4299 summary_info += {'Multipath support': mpathpersist}
4300 summary_info += {'Linux AIO support': libaio}
4301 summary_info += {'Linux io_uring support': linux_io_uring}
4302 summary_info += {'ATTR/XATTR support': libattr}
4303 summary_info += {'RDMA support': rdma}
4304 summary_info += {'PVRDMA support': have_pvrdma}
4305 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4306 summary_info += {'libcap-ng support': libcap_ng}
4307 summary_info += {'bpf support': libbpf}
4308 summary_info += {'rbd support': rbd}
4309 summary_info += {'smartcard support': cacard}
4310 summary_info += {'U2F support': u2f}
4311 summary_info += {'libusb': libusb}
4312 summary_info += {'usb net redir': usbredir}
4313 summary_info += {'OpenGL support (epoxy)': opengl}
4314 summary_info += {'GBM': gbm}
4315 summary_info += {'libiscsi support': libiscsi}
4316 summary_info += {'libnfs support': libnfs}
4317 if targetos == 'windows'
4319 summary_info += {'QGA VSS support': have_qga_vss}
4322 summary_info += {'seccomp support': seccomp}
4323 summary_info += {'GlusterFS support': glusterfs}
4324 summary_info += {'TPM support': have_tpm}
4325 summary_info += {'libssh support': libssh}
4326 summary_info += {'lzo support': lzo}
4327 summary_info += {'snappy support': snappy}
4328 summary_info += {'bzip2 support': libbzip2}
4329 summary_info += {'lzfse support': liblzfse}
4330 summary_info += {'zstd support': zstd}
4331 summary_info += {'NUMA host support': numa}
4332 summary_info += {'capstone': capstone}
4333 summary_info += {'libpmem support': libpmem}
4334 summary_info += {'libdaxctl support': libdaxctl}
4335 summary_info += {'libudev': libudev}
4336 # Dummy dependency, keep .found()
4337 summary_info += {'FUSE lseek': fuse_lseek.found()}
4338 summary_info += {'selinux': selinux}
4339 summary_info += {'libdw': libdw}
4340 summary(summary_info, bool_yn: true, section: 'Dependencies')
4342 if host_arch == 'unknown'
4344 warning('UNSUPPORTED HOST CPU')
4346 message('Support for CPU host architecture ' + cpu + ' is not currently')
4347 message('maintained. The QEMU project does not guarantee that QEMU will')
4348 message('compile or work on this host CPU. You can help by volunteering')
4349 message('to maintain it and providing a build host for our continuous')
4350 message('integration setup.')
4351 if get_option('tcg').allowed() and target_dirs.length() > 0
4353 message('configure has succeeded and you can continue to build, but')
4354 message('QEMU will use a slow interpreter to emulate the target CPU.')
4358 if not supported_oses.contains(targetos)
4360 warning('UNSUPPORTED HOST OS')
4362 message('Support for host OS ' + targetos + 'is not currently maintained.')
4363 message('configure has succeeded and you can continue to build, but')
4364 message('the QEMU project does not guarantee that QEMU will compile or')
4365 message('work on this operating system. You can help by volunteering')
4366 message('to maintain it and providing a build host for our continuous')
4367 message('integration setup. This will ensure that future versions of QEMU')
4368 message('will keep working on ' + targetos + '.')
4371 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4373 message('If you want to help supporting QEMU on this platform, please')
4374 message('contact the developers at qemu-devel@nongnu.org.')
4377 actually_reloc = get_option('relocatable')
4378 # check if get_relocated_path() is actually able to relocate paths
4379 if get_option('relocatable') and \
4380 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4382 warning('bindir not included within prefix, the installation will not be relocatable.')
4383 actually_reloc = false
4385 if not actually_reloc and (targetos == 'windows' or get_option('relocatable'))
4386 if targetos == 'windows'
4388 warning('Windows installs should usually be relocatable.')
4391 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4392 message('Use --disable-relocatable to remove this warning.')