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 == 'solaris'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Set up C++ compiler flags
478 if 'cpp' in all_languages
479 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
483 if get_option('optimization') != '0' and targetos == 'linux'
484 if cc.get_id() == 'gcc'
485 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
487 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
488 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
492 add_project_arguments(qemu_cflags, native: false, language: 'c')
493 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
494 if 'cpp' in all_languages
495 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
496 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
498 if 'objc' in all_languages
499 # Note sanitizer flags are not applied to Objective-C sources!
500 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
502 if targetos == 'linux'
503 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
504 '-isystem', 'linux-headers',
505 language: all_languages)
508 add_project_arguments('-iquote', '.',
509 '-iquote', meson.current_source_dir(),
510 '-iquote', meson.current_source_dir() / 'include',
511 language: all_languages)
513 # If a host-specific include directory exists, list that first...
514 host_include = meson.current_source_dir() / 'host/include/'
515 if fs.is_dir(host_include / host_arch)
516 add_project_arguments('-iquote', host_include / host_arch,
517 language: all_languages)
519 # ... followed by the generic fallback.
520 add_project_arguments('-iquote', host_include / 'generic',
521 language: all_languages)
523 sparse = find_program('cgcc', required: get_option('sparse'))
526 command: [find_program('scripts/check_sparse.py'),
527 'compile_commands.json', sparse.full_path(), '-Wbitwise',
528 '-Wno-transparent-union', '-Wno-old-initializer',
529 '-Wno-non-pointer-null'])
532 ###########################################
533 # Target-specific checks and dependencies #
534 ###########################################
537 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
540 #include <sys/types.h>
541 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
542 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
544 args: ['-Werror', '-fsanitize=fuzzer'])
545 error('Your compiler does not support -fsanitize=fuzzer')
549 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
550 error('ftrace is supported only on Linux')
552 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
555 openlog("qemu", LOG_PID, LOG_DAEMON);
556 syslog(LOG_INFO, "configure");
559 error('syslog is not supported on this system')
562 # Miscellaneous Linux-only features
563 get_option('mpath') \
564 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
566 multiprocess_allowed = get_option('multiprocess') \
567 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
570 vfio_user_server_allowed = get_option('vfio_user_server') \
571 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
574 have_tpm = get_option('tpm') \
575 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
579 have_vhost_user = get_option('vhost_user') \
580 .disable_auto_if(targetos != 'linux') \
581 .require(targetos != 'windows',
582 error_message: 'vhost-user is not available on Windows').allowed()
583 have_vhost_vdpa = get_option('vhost_vdpa') \
584 .require(targetos == 'linux',
585 error_message: 'vhost-vdpa is only available on Linux').allowed()
586 have_vhost_kernel = get_option('vhost_kernel') \
587 .require(targetos == 'linux',
588 error_message: 'vhost-kernel is only available on Linux').allowed()
589 have_vhost_user_crypto = get_option('vhost_crypto') \
590 .require(have_vhost_user,
591 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
593 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
595 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
596 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
597 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
598 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
600 # Target-specific libraries and flags
601 libm = cc.find_library('m', required: false)
602 threads = dependency('threads')
603 util = cc.find_library('util', required: false)
609 emulator_link_args = []
616 if targetos == 'windows'
617 midl = find_program('midl', required: false)
618 widl = find_program('widl', required: false)
619 pathcch = cc.find_library('pathcch')
620 socket = cc.find_library('ws2_32')
621 winmm = cc.find_library('winmm')
623 win = import('windows')
624 version_res = win.compile_resources('version.rc',
625 depend_files: files('pc-bios/qemu-nsis.ico'),
626 include_directories: include_directories('.'))
628 elif targetos == 'darwin'
629 coref = dependency('appleframeworks', modules: 'CoreFoundation')
630 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
631 host_dsosuf = '.dylib'
632 elif targetos == 'sunos'
633 socket = [cc.find_library('socket'),
634 cc.find_library('nsl'),
635 cc.find_library('resolv')]
636 elif targetos == 'haiku'
637 socket = [cc.find_library('posix_error_mapper'),
638 cc.find_library('network'),
639 cc.find_library('bsd')]
640 elif targetos == 'openbsd'
641 if get_option('tcg').allowed() and target_dirs.length() > 0
642 # Disable OpenBSD W^X if available
643 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
647 # Target-specific configuration of accelerators
649 if get_option('kvm').allowed() and targetos == 'linux'
650 accelerators += 'CONFIG_KVM'
652 if get_option('whpx').allowed() and targetos == 'windows'
653 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
654 error('WHPX requires 64-bit host')
655 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
656 cc.has_header('winhvemulation.h', required: get_option('whpx'))
657 accelerators += 'CONFIG_WHPX'
660 if get_option('hvf').allowed()
661 hvf = dependency('appleframeworks', modules: 'Hypervisor',
662 required: get_option('hvf'))
664 accelerators += 'CONFIG_HVF'
667 if targetos == 'netbsd'
668 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
670 accelerators += 'CONFIG_NVMM'
675 if get_option('tcg').allowed()
676 if host_arch == 'unknown'
677 if not get_option('tcg_interpreter')
678 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
680 elif get_option('tcg_interpreter')
681 warning('Use of the TCG interpreter is not recommended on this host')
682 warning('architecture. There is a native TCG execution backend available')
683 warning('which provides substantially better performance and reliability.')
684 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
685 warning('configuration option on this architecture to use the native')
688 if get_option('tcg_interpreter')
690 elif host_arch == 'x86_64'
692 elif host_arch == 'ppc64'
695 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
696 language: all_languages)
698 accelerators += 'CONFIG_TCG'
701 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
702 error('KVM not available on this platform')
704 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
705 error('HVF not available on this platform')
707 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
708 error('NVMM not available on this platform')
710 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
711 error('WHPX not available on this platform')
718 # When bumping glib minimum version, please check also whether to increase
719 # the _WIN32_WINNT setting in osdep.h according to the value from glib
720 glib_req_ver = '>=2.56.0'
721 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
722 method: 'pkg-config')
725 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
726 method: 'pkg-config')
727 elif get_option('plugins')
728 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
729 method: 'pkg-config')
734 # This workaround is required due to a bug in pkg-config file for glib as it
735 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
736 if targetos == 'windows' and get_option('prefer_static')
737 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
740 # Sanity check that the current size_t matches the
741 # size that glib thinks it should be. This catches
742 # problems on multi-arch where people try to build
743 # 32-bit QEMU while pointing at 64-bit glib headers
745 if not cc.compiles('''
749 #define QEMU_BUILD_BUG_ON(x) \
750 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
753 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
755 }''', dependencies: glib_pc, args: glib_cflags)
756 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
757 You probably need to set PKG_CONFIG_LIBDIR" to point
758 to the right pkg-config files for your build target.''')
761 # Silence clang warnings triggered by glib < 2.57.2
762 if not cc.compiles('''
767 static void foo_free(Foo *f)
771 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
772 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
773 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
775 glib = declare_dependency(dependencies: [glib_pc, gmodule],
776 compile_args: glib_cflags,
777 version: glib_pc.version())
779 # Check whether glib has gslice, which we have to avoid for correctness.
780 # TODO: remove this check and the corresponding workaround (qtree) when
781 # the minimum supported glib is >= 2.75.3
782 glib_has_gslice = glib.version().version_compare('<2.75.3')
784 # override glib dep to include the above refinements
785 meson.override_dependency('glib-2.0', glib)
787 # The path to glib.h is added to all compilation commands.
788 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
789 native: false, language: all_languages)
792 gdbus_codegen = not_found
793 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
794 if not get_option('gio').auto() or have_system
795 gio = dependency('gio-2.0', required: get_option('gio'),
796 method: 'pkg-config')
797 if gio.found() and not cc.links('''
801 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
803 }''', dependencies: [glib, gio])
804 if get_option('gio').enabled()
805 error('The installed libgio is broken for static linking')
810 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
811 required: get_option('gio'))
812 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
813 method: 'pkg-config')
814 gio = declare_dependency(dependencies: [gio, gio_unix],
815 version: gio.version())
818 if gdbus_codegen.found() and get_option('cfi')
819 gdbus_codegen = not_found
820 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
823 xml_pp = find_program('scripts/xml-preprocess.py')
826 if 'ust' in get_option('trace_backends')
827 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
828 method: 'pkg-config')
831 if have_system or have_tools
832 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
833 method: 'pkg-config')
835 zlib = dependency('zlib', required: true)
838 if not get_option('linux_aio').auto() or have_block
839 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
840 required: get_option('linux_aio'))
843 linux_io_uring_test = '''
844 #include <liburing.h>
845 #include <linux/errqueue.h>
847 int main(void) { return 0; }'''
849 linux_io_uring = not_found
850 if not get_option('linux_io_uring').auto() or have_block
851 linux_io_uring = dependency('liburing', version: '>=0.3',
852 required: get_option('linux_io_uring'),
853 method: 'pkg-config')
854 if not cc.links(linux_io_uring_test)
855 linux_io_uring = not_found
860 if not get_option('libnfs').auto() or have_block
861 libnfs = dependency('libnfs', version: '>=1.9.3',
862 required: get_option('libnfs'),
863 method: 'pkg-config')
868 #include <sys/types.h>
869 #ifdef CONFIG_LIBATTR
870 #include <attr/xattr.h>
872 #include <sys/xattr.h>
874 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
877 have_old_libattr = false
878 if get_option('attr').allowed()
879 if cc.links(libattr_test)
880 libattr = declare_dependency()
882 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
883 required: get_option('attr'))
884 if libattr.found() and not \
885 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
887 if get_option('attr').enabled()
888 error('could not link libattr')
890 warning('could not link libattr, disabling')
893 have_old_libattr = libattr.found()
898 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
899 required: get_option('cocoa'))
901 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
902 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
903 'VMNET_BRIDGED_MODE',
906 if get_option('vmnet').enabled()
907 error('vmnet.framework API is outdated')
909 warning('vmnet.framework API is outdated, disabling')
914 seccomp_has_sysrawrc = false
915 if not get_option('seccomp').auto() or have_system or have_tools
916 seccomp = dependency('libseccomp', version: '>=2.3.0',
917 required: get_option('seccomp'),
918 method: 'pkg-config')
920 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
921 'SCMP_FLTATR_API_SYSRAWRC',
922 dependencies: seccomp)
926 libcap_ng = not_found
927 if not get_option('cap_ng').auto() or have_system or have_tools
928 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
929 required: get_option('cap_ng'))
931 if libcap_ng.found() and not cc.links('''
935 capng_capability_to_name(CAPNG_EFFECTIVE);
937 }''', dependencies: libcap_ng)
938 libcap_ng = not_found
939 if get_option('cap_ng').enabled()
940 error('could not link libcap-ng')
942 warning('could not link libcap-ng, disabling')
946 if get_option('xkbcommon').auto() and not have_system and not have_tools
947 xkbcommon = not_found
949 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
950 method: 'pkg-config')
954 if not get_option('slirp').auto() or have_system
955 slirp = dependency('slirp', required: get_option('slirp'),
956 method: 'pkg-config')
957 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
958 # it passes function pointers within libslirp as callbacks for timers.
959 # When using a system-wide shared libslirp, the type information for the
960 # callback is missing and the timer call produces a false positive with CFI.
961 # Do not use the "version" keyword argument to produce a better error.
962 # with control-flow integrity.
963 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
964 if get_option('slirp').enabled()
965 error('Control-Flow Integrity requires libslirp 4.7.')
967 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
974 if not get_option('vde').auto() or have_system or have_tools
975 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
976 required: get_option('vde'))
978 if vde.found() and not cc.links('''
979 #include <libvdeplug.h>
982 struct vde_open_args a = {0, 0, 0};
986 }''', dependencies: vde)
988 if get_option('cap_ng').enabled()
989 error('could not link libvdeplug')
991 warning('could not link libvdeplug, disabling')
996 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
997 pulse = dependency('libpulse', required: get_option('pa'),
998 method: 'pkg-config')
1001 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1002 alsa = dependency('alsa', required: get_option('alsa'),
1003 method: 'pkg-config')
1006 if not get_option('jack').auto() or have_system
1007 jack = dependency('jack', required: get_option('jack'),
1008 method: 'pkg-config')
1010 pipewire = not_found
1011 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1012 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1013 required: get_option('pipewire'),
1014 method: 'pkg-config')
1017 if not get_option('sndio').auto() or have_system
1018 sndio = dependency('sndio', required: get_option('sndio'),
1019 method: 'pkg-config')
1022 spice_protocol = not_found
1023 if not get_option('spice_protocol').auto() or have_system
1024 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1025 required: get_option('spice_protocol'),
1026 method: 'pkg-config')
1029 if not get_option('spice').auto() or have_system
1030 spice = dependency('spice-server', version: '>=0.14.0',
1031 required: get_option('spice'),
1032 method: 'pkg-config')
1034 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1036 rt = cc.find_library('rt', required: false)
1038 libiscsi = not_found
1039 if not get_option('libiscsi').auto() or have_block
1040 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1041 required: get_option('libiscsi'),
1042 method: 'pkg-config')
1045 if not get_option('zstd').auto() or have_block
1046 zstd = dependency('libzstd', version: '>=1.4.0',
1047 required: get_option('zstd'),
1048 method: 'pkg-config')
1052 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1053 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1054 virgl = dependency('virglrenderer',
1055 method: 'pkg-config',
1056 required: get_option('virglrenderer'))
1058 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1059 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1060 prefix: '#include <virglrenderer.h>',
1061 dependencies: virgl))
1065 if not get_option('blkio').auto() or have_block
1066 blkio = dependency('blkio',
1067 method: 'pkg-config',
1068 required: get_option('blkio'))
1071 if not get_option('curl').auto() or have_block
1072 curl = dependency('libcurl', version: '>=7.29.0',
1073 method: 'pkg-config',
1074 required: get_option('curl'))
1077 if targetos == 'linux' and (have_system or have_tools)
1078 libudev = dependency('libudev',
1079 method: 'pkg-config',
1080 required: get_option('libudev'))
1083 mpathlibs = [libudev]
1084 mpathpersist = not_found
1085 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1086 mpath_test_source = '''
1087 #include <libudev.h>
1088 #include <mpath_persist.h>
1089 unsigned mpath_mx_alloc_len = 1024;
1091 static struct config *multipath_conf;
1092 extern struct udev *udev;
1093 extern struct config *get_multipath_config(void);
1094 extern void put_multipath_config(struct config *conf);
1096 struct config *get_multipath_config(void) { return multipath_conf; }
1097 void put_multipath_config(struct config *conf) { }
1100 multipath_conf = mpath_lib_init();
1103 libmpathpersist = cc.find_library('mpathpersist',
1104 required: get_option('mpath'))
1105 if libmpathpersist.found()
1106 mpathlibs += libmpathpersist
1107 if get_option('prefer_static')
1108 mpathlibs += cc.find_library('devmapper',
1109 required: get_option('mpath'))
1111 mpathlibs += cc.find_library('multipath',
1112 required: get_option('mpath'))
1113 foreach lib: mpathlibs
1119 if mpathlibs.length() == 0
1120 msg = 'Dependencies missing for libmpathpersist'
1121 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1122 mpathpersist = declare_dependency(dependencies: mpathlibs)
1124 msg = 'Cannot detect libmpathpersist API'
1126 if not mpathpersist.found()
1127 if get_option('mpath').enabled()
1130 warning(msg + ', disabling')
1138 if have_system and get_option('curses').allowed()
1140 #if defined(__APPLE__) || defined(__OpenBSD__)
1141 #define _XOPEN_SOURCE_EXTENDED 1
1148 setlocale(LC_ALL, "");
1150 addwstr(L"wide chars\n");
1152 add_wch(WACS_DEGREE);
1156 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1157 curses = dependency(curses_dep_list,
1159 method: 'pkg-config')
1160 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1161 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1163 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1164 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1165 version: curses.version())
1167 msg = 'curses package not usable'
1171 if not curses.found()
1172 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1173 if targetos != 'windows' and not has_curses_h
1174 message('Trying with /usr/include/ncursesw')
1175 curses_compile_args += ['-I/usr/include/ncursesw']
1176 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1179 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1180 foreach curses_libname : curses_libname_list
1181 libcurses = cc.find_library(curses_libname,
1183 if libcurses.found()
1184 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1185 curses = declare_dependency(compile_args: curses_compile_args,
1186 dependencies: [libcurses])
1189 msg = 'curses library not usable'
1195 if get_option('iconv').allowed()
1196 foreach link_args : [ ['-liconv'], [] ]
1197 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1198 # We need to use libiconv if available because mixing libiconv's headers with
1199 # the system libc does not work.
1200 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1201 # included in the command line and libiconv will not be found.
1205 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1206 return conv != (iconv_t) -1;
1207 }''', args: link_args, dependencies: glib)
1208 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1213 if curses.found() and not iconv.found()
1214 if get_option('iconv').enabled()
1215 error('iconv not available')
1217 msg = 'iconv required for curses UI but not available'
1220 if not curses.found() and msg != ''
1221 if get_option('curses').enabled()
1224 warning(msg + ', disabling')
1230 if not get_option('brlapi').auto() or have_system
1231 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1232 required: get_option('brlapi'))
1233 if brlapi.found() and not cc.links('''
1236 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1238 if get_option('brlapi').enabled()
1239 error('could not link brlapi')
1241 warning('could not link brlapi, disabling')
1247 if not get_option('sdl').auto() or have_system
1248 sdl = dependency('sdl2', required: get_option('sdl'))
1249 sdl_image = not_found
1252 # Some versions of SDL have problems with -Wundef
1253 if not cc.compiles('''
1255 #include <SDL_syswm.h>
1256 int main(int argc, char *argv[]) { return 0; }
1257 ''', dependencies: sdl, args: '-Werror=undef')
1258 sdl = declare_dependency(compile_args: '-Wno-undef',
1260 version: sdl.version())
1262 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1263 method: 'pkg-config')
1265 if get_option('sdl_image').enabled()
1266 error('sdl-image required, but SDL was @0@'.format(
1267 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1269 sdl_image = not_found
1273 if not get_option('rbd').auto() or have_block
1274 librados = cc.find_library('rados', required: get_option('rbd'))
1275 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1276 required: get_option('rbd'))
1277 if librados.found() and librbd.found()
1280 #include <rbd/librbd.h>
1283 rados_create(&cluster, NULL);
1284 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1288 }''', dependencies: [librbd, librados])
1289 rbd = declare_dependency(dependencies: [librbd, librados])
1290 elif get_option('rbd').enabled()
1291 error('librbd >= 1.12.0 required')
1293 warning('librbd >= 1.12.0 not found, disabling')
1298 glusterfs = not_found
1299 glusterfs_ftruncate_has_stat = false
1300 glusterfs_iocb_has_stat = false
1301 if not get_option('glusterfs').auto() or have_block
1302 glusterfs = dependency('glusterfs-api', version: '>=3',
1303 required: get_option('glusterfs'),
1304 method: 'pkg-config')
1305 if glusterfs.found()
1306 glusterfs_ftruncate_has_stat = cc.links('''
1307 #include <glusterfs/api/glfs.h>
1312 /* new glfs_ftruncate() passes two additional args */
1313 return glfs_ftruncate(NULL, 0, NULL, NULL);
1315 ''', dependencies: glusterfs)
1316 glusterfs_iocb_has_stat = cc.links('''
1317 #include <glusterfs/api/glfs.h>
1319 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1321 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1327 glfs_io_cbk iocb = &glusterfs_iocb;
1328 iocb(NULL, 0 , NULL, NULL, NULL);
1331 ''', dependencies: glusterfs)
1336 if not get_option('libssh').auto() or have_block
1337 libssh = dependency('libssh', version: '>=0.8.7',
1338 method: 'pkg-config',
1339 required: get_option('libssh'))
1342 libbzip2 = not_found
1343 if not get_option('bzip2').auto() or have_block
1344 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1345 required: get_option('bzip2'))
1346 if libbzip2.found() and not cc.links('''
1348 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1349 libbzip2 = not_found
1350 if get_option('bzip2').enabled()
1351 error('could not link libbzip2')
1353 warning('could not link libbzip2, disabling')
1358 liblzfse = not_found
1359 if not get_option('lzfse').auto() or have_block
1360 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1361 required: get_option('lzfse'))
1363 if liblzfse.found() and not cc.links('''
1365 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1366 liblzfse = not_found
1367 if get_option('lzfse').enabled()
1368 error('could not link liblzfse')
1370 warning('could not link liblzfse, disabling')
1375 if get_option('oss').allowed() and have_system
1376 if not cc.has_header('sys/soundcard.h')
1378 elif targetos == 'netbsd'
1379 oss = cc.find_library('ossaudio', required: get_option('oss'))
1381 oss = declare_dependency()
1385 if get_option('oss').enabled()
1386 error('OSS not found')
1391 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1392 if cc.has_header('dsound.h')
1393 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1396 if not dsound.found()
1397 if get_option('dsound').enabled()
1398 error('DirectSound not found')
1403 coreaudio = not_found
1404 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1405 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1406 required: get_option('coreaudio'))
1410 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1411 epoxy = dependency('epoxy', method: 'pkg-config',
1412 required: get_option('opengl'))
1413 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1415 elif get_option('opengl').enabled()
1416 error('epoxy/egl.h not found')
1420 if (have_system or have_tools) and (virgl.found() or opengl.found())
1421 gbm = dependency('gbm', method: 'pkg-config', required: false)
1423 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1426 gnutls_crypto = not_found
1427 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1428 # For general TLS support our min gnutls matches
1429 # that implied by our platform support matrix
1431 # For the crypto backends, we look for a newer
1434 # Version 3.6.8 is needed to get XTS
1435 # Version 3.6.13 is needed to get PBKDF
1436 # Version 3.6.14 is needed to get HW accelerated XTS
1438 # If newer enough gnutls isn't available, we can
1439 # still use a different crypto backend to satisfy
1440 # the platform support requirements
1441 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1442 method: 'pkg-config',
1444 if gnutls_crypto.found()
1445 gnutls = gnutls_crypto
1447 # Our min version if all we need is TLS
1448 gnutls = dependency('gnutls', version: '>=3.5.18',
1449 method: 'pkg-config',
1450 required: get_option('gnutls'))
1454 # We prefer use of gnutls for crypto, unless the options
1455 # explicitly asked for nettle or gcrypt.
1457 # If gnutls isn't available for crypto, then we'll prefer
1458 # gcrypt over nettle for performance reasons.
1464 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1465 error('Only one of gcrypt & nettle can be enabled')
1468 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1469 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1470 gnutls_crypto = not_found
1473 if not gnutls_crypto.found()
1474 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1475 gcrypt = dependency('libgcrypt', version: '>=1.8',
1476 method: 'config-tool',
1477 required: get_option('gcrypt'))
1478 # Debian has removed -lgpg-error from libgcrypt-config
1479 # as it "spreads unnecessary dependencies" which in
1480 # turn breaks static builds...
1481 if gcrypt.found() and get_option('prefer_static')
1482 gcrypt = declare_dependency(dependencies:
1484 cc.find_library('gpg-error', required: true)],
1485 version: gcrypt.version())
1488 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1489 nettle = dependency('nettle', version: '>=3.4',
1490 method: 'pkg-config',
1491 required: get_option('nettle'))
1492 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1498 gmp = dependency('gmp', required: false, method: 'pkg-config')
1499 if nettle.found() and gmp.found()
1500 hogweed = dependency('hogweed', version: '>=3.4',
1501 method: 'pkg-config',
1502 required: get_option('nettle'))
1509 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1511 if not get_option('gtk').auto() or have_system
1512 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1513 method: 'pkg-config',
1514 required: get_option('gtk'))
1516 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1517 method: 'pkg-config',
1519 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1520 version: gtk.version())
1522 if not get_option('vte').auto() or have_system
1523 vte = dependency('vte-2.91',
1524 method: 'pkg-config',
1525 required: get_option('vte'))
1527 elif have_gtk_clipboard
1528 error('GTK clipboard requested, but GTK not found')
1534 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1537 if get_option('png').allowed() and have_system
1538 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1539 method: 'pkg-config')
1544 if get_option('vnc').allowed() and have_system
1545 vnc = declare_dependency() # dummy dependency
1546 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1547 method: 'pkg-config')
1548 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1549 required: get_option('vnc_sasl'))
1551 sasl = declare_dependency(dependencies: sasl,
1552 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1557 if not get_option('auth_pam').auto() or have_system
1558 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1559 required: get_option('auth_pam'))
1561 if pam.found() and not cc.links('''
1563 #include <security/pam_appl.h>
1565 const char *service_name = "qemu";
1566 const char *user = "frank";
1567 const struct pam_conv pam_conv = { 0 };
1568 pam_handle_t *pamh = NULL;
1569 pam_start(service_name, user, &pam_conv, &pamh);
1571 }''', dependencies: pam)
1573 if get_option('auth_pam').enabled()
1574 error('could not link libpam')
1576 warning('could not link libpam, disabling')
1581 if not get_option('snappy').auto() or have_system
1582 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1583 required: get_option('snappy'))
1585 if snappy.found() and not cc.links('''
1586 #include <snappy-c.h>
1587 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1589 if get_option('snappy').enabled()
1590 error('could not link libsnappy')
1592 warning('could not link libsnappy, disabling')
1597 if not get_option('lzo').auto() or have_system
1598 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1599 required: get_option('lzo'))
1601 if lzo.found() and not cc.links('''
1602 #include <lzo/lzo1x.h>
1603 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1605 if get_option('lzo').enabled()
1606 error('could not link liblzo2')
1608 warning('could not link liblzo2, disabling')
1613 if not get_option('numa').auto() or have_system or have_tools
1614 numa = cc.find_library('numa', has_headers: ['numa.h'],
1615 required: get_option('numa'))
1617 if numa.found() and not cc.links('''
1619 int main(void) { return numa_available(); }
1620 ''', dependencies: numa)
1622 if get_option('numa').enabled()
1623 error('could not link numa')
1625 warning('could not link numa, disabling')
1630 if not get_option('rdma').auto() or have_system
1631 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1632 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1633 required: get_option('rdma')),
1634 cc.find_library('ibverbs', required: get_option('rdma')),
1636 rdma = declare_dependency(dependencies: rdma_libs)
1637 foreach lib: rdma_libs
1645 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1646 xencontrol = dependency('xencontrol', required: false,
1647 method: 'pkg-config')
1648 if xencontrol.found()
1649 xen_pc = declare_dependency(version: xencontrol.version(),
1652 # disabler: true makes xen_pc.found() return false if any is not found
1653 dependency('xenstore', required: false,
1654 method: 'pkg-config',
1656 dependency('xenforeignmemory', required: false,
1657 method: 'pkg-config',
1659 dependency('xengnttab', required: false,
1660 method: 'pkg-config',
1662 dependency('xenevtchn', required: false,
1663 method: 'pkg-config',
1665 dependency('xendevicemodel', required: false,
1666 method: 'pkg-config',
1668 # optional, no "disabler: true"
1669 dependency('xentoolcore', required: false,
1670 method: 'pkg-config')])
1676 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1678 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1679 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1680 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1681 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1682 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1685 foreach ver: xen_tests
1686 # cache the various library tests to avoid polluting the logs
1688 foreach l: xen_libs[ver]
1689 if l not in xen_deps
1690 xen_deps += { l: cc.find_library(l, required: false) }
1692 xen_test_deps += xen_deps[l]
1695 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1696 xen_version = ver.split('.')
1697 xen_ctrl_version = xen_version[0] + \
1698 ('0' + xen_version[1]).substring(-2) + \
1699 ('0' + xen_version[2]).substring(-2)
1700 if cc.links(files('scripts/xen-detect.c'),
1701 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1702 dependencies: xen_test_deps)
1703 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1709 accelerators += 'CONFIG_XEN'
1710 elif get_option('xen').enabled()
1711 error('could not compile and link Xen test program')
1714 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1715 .require(xen.found(),
1716 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1717 .require(targetos == 'linux',
1718 error_message: 'Xen PCI passthrough not available on this platform') \
1719 .require(cpu == 'x86' or cpu == 'x86_64',
1720 error_message: 'Xen PCI passthrough not available on this platform') \
1725 if not get_option('smartcard').auto() or have_system
1726 cacard = dependency('libcacard', required: get_option('smartcard'),
1727 version: '>=2.5.1', method: 'pkg-config')
1731 u2f = dependency('u2f-emu', required: get_option('u2f'),
1732 method: 'pkg-config')
1736 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1737 method: 'pkg-config')
1739 usbredir = not_found
1740 if not get_option('usb_redir').auto() or have_system
1741 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1742 version: '>=0.6', method: 'pkg-config')
1745 if not get_option('libusb').auto() or have_system
1746 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1747 version: '>=1.0.13', method: 'pkg-config')
1751 if not get_option('libpmem').auto() or have_system
1752 libpmem = dependency('libpmem', required: get_option('libpmem'),
1753 method: 'pkg-config')
1755 libdaxctl = not_found
1756 if not get_option('libdaxctl').auto() or have_system
1757 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1758 version: '>=57', method: 'pkg-config')
1762 tasn1 = dependency('libtasn1',
1763 method: 'pkg-config')
1765 keyutils = not_found
1766 if get_option('keyring').enabled()
1767 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1770 has_gettid = cc.has_function('gettid')
1773 selinux = dependency('libselinux',
1774 required: get_option('selinux'),
1775 method: 'pkg-config')
1780 if get_option('malloc') == 'system'
1782 get_option('malloc_trim').allowed() and \
1783 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1785 has_malloc_trim = false
1786 malloc = cc.find_library(get_option('malloc'), required: true)
1788 if not has_malloc_trim and get_option('malloc_trim').enabled()
1789 if get_option('malloc') == 'system'
1790 error('malloc_trim not available on this platform.')
1792 error('malloc_trim not available with non-libc memory allocator')
1796 gnu_source_prefix = '''
1802 # Check whether the glibc provides STATX_BASIC_STATS
1804 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1806 # Check whether statx() provides mount ID information
1808 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1810 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1811 .require(targetos == 'linux',
1812 error_message: 'vhost_user_blk_server requires linux') \
1813 .require(have_vhost_user,
1814 error_message: 'vhost_user_blk_server requires vhost-user support') \
1815 .disable_auto_if(not have_tools and not have_system) \
1818 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1819 error('Cannot enable fuse-lseek while fuse is disabled')
1822 fuse = dependency('fuse3', required: get_option('fuse'),
1823 version: '>=3.1', method: 'pkg-config')
1825 fuse_lseek = not_found
1826 if get_option('fuse_lseek').allowed()
1827 if fuse.version().version_compare('>=3.8')
1829 fuse_lseek = declare_dependency()
1830 elif get_option('fuse_lseek').enabled()
1832 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1834 error('fuse-lseek requires libfuse, which was not found')
1839 have_libvduse = (targetos == 'linux')
1840 if get_option('libvduse').enabled()
1841 if targetos != 'linux'
1842 error('libvduse requires linux')
1844 elif get_option('libvduse').disabled()
1845 have_libvduse = false
1848 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1849 if get_option('vduse_blk_export').enabled()
1850 if targetos != 'linux'
1851 error('vduse_blk_export requires linux')
1852 elif not have_libvduse
1853 error('vduse_blk_export requires libvduse support')
1855 elif get_option('vduse_blk_export').disabled()
1856 have_vduse_blk_export = false
1860 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1861 if libbpf.found() and not cc.links('''
1862 #include <bpf/libbpf.h>
1865 bpf_object__destroy_skeleton(NULL);
1867 }''', dependencies: libbpf)
1869 if get_option('bpf').enabled()
1870 error('libbpf skeleton test failed')
1872 warning('libbpf skeleton test failed, disabling')
1878 if not get_option('libdw').auto() or \
1879 (not get_option('prefer_static') and (have_system or have_user))
1880 libdw = dependency('libdw',
1881 method: 'pkg-config',
1882 required: get_option('libdw'))
1889 audio_drivers_selected = []
1891 audio_drivers_available = {
1892 'alsa': alsa.found(),
1893 'coreaudio': coreaudio.found(),
1894 'dsound': dsound.found(),
1895 'jack': jack.found(),
1897 'pa': pulse.found(),
1898 'pipewire': pipewire.found(),
1900 'sndio': sndio.found(),
1902 foreach k, v: audio_drivers_available
1903 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1906 # Default to native drivers first, OSS second, SDL third
1907 audio_drivers_priority = \
1908 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1909 (targetos == 'linux' ? [] : [ 'sdl' ])
1910 audio_drivers_default = []
1911 foreach k: audio_drivers_priority
1912 if audio_drivers_available[k]
1913 audio_drivers_default += k
1917 foreach k: get_option('audio_drv_list')
1919 audio_drivers_selected += audio_drivers_default
1920 elif not audio_drivers_available[k]
1921 error('Audio driver "@0@" not available.'.format(k))
1923 audio_drivers_selected += k
1927 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1928 '"' + '", "'.join(audio_drivers_selected) + '", ')
1930 if get_option('cfi')
1932 # Check for dependency on LTO
1933 if not get_option('b_lto')
1934 error('Selected Control-Flow Integrity but LTO is disabled')
1937 error('Selected Control-Flow Integrity is not compatible with modules')
1939 # Check for cfi flags. CFI requires LTO so we can't use
1940 # get_supported_arguments, but need a more complex "compiles" which allows
1942 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1943 args: ['-flto', '-fsanitize=cfi-icall'] )
1944 cfi_flags += '-fsanitize=cfi-icall'
1946 error('-fsanitize=cfi-icall is not supported by the compiler')
1948 if cc.compiles('int main () { return 0; }',
1949 name: '-fsanitize-cfi-icall-generalize-pointers',
1950 args: ['-flto', '-fsanitize=cfi-icall',
1951 '-fsanitize-cfi-icall-generalize-pointers'] )
1952 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1954 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1956 if get_option('cfi_debug')
1957 if cc.compiles('int main () { return 0; }',
1958 name: '-fno-sanitize-trap=cfi-icall',
1959 args: ['-flto', '-fsanitize=cfi-icall',
1960 '-fno-sanitize-trap=cfi-icall'] )
1961 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1963 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1966 add_global_arguments(cfi_flags, native: false, language: all_languages)
1967 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1970 have_host_block_device = (targetos != 'darwin' or
1971 cc.has_header('IOKit/storage/IOMedia.h'))
1973 dbus_display = get_option('dbus_display') \
1974 .require(gio.version().version_compare('>=2.64'),
1975 error_message: '-display dbus requires glib>=2.64') \
1976 .require(gdbus_codegen.found(),
1977 error_message: gdbus_codegen_error.format('-display dbus')) \
1980 have_virtfs = get_option('virtfs') \
1981 .require(targetos == 'linux' or targetos == 'darwin',
1982 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1983 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1984 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1985 .require(targetos == 'darwin' or libattr.found(),
1986 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1987 .disable_auto_if(not have_tools and not have_system) \
1990 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1991 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1992 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1993 .disable_auto_if(not have_tools) \
1994 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
1997 if get_option('block_drv_ro_whitelist') == ''
1998 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2000 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2001 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2003 if get_option('block_drv_rw_whitelist') == ''
2004 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2006 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2007 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2010 foreach k : get_option('trace_backends')
2011 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2013 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2014 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2016 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2018 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2019 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2020 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2021 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2022 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2024 qemu_firmwarepath = ''
2025 foreach k : get_option('qemu_firmwarepath')
2026 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2028 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2030 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2031 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2032 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2033 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2034 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2035 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2038 config_host_data.set('CONFIG_STAMP', run_command(
2039 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2040 meson.project_version(), get_option('pkgversion'), '--',
2041 meson.current_source_dir() / 'configure',
2042 capture: true, check: true).stdout().strip())
2045 have_slirp_smbd = get_option('slirp_smbd') \
2046 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2049 smbd_path = get_option('smbd')
2051 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2053 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2056 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2058 if get_option('module_upgrades') and not enable_modules
2059 error('Cannot enable module-upgrades as modules are not enabled')
2061 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2063 config_host_data.set('CONFIG_ATTR', libattr.found())
2064 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2065 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2066 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2067 config_host_data.set('CONFIG_COCOA', cocoa.found())
2068 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2069 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2070 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2071 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2072 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2073 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2074 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2075 config_host_data.set('CONFIG_LZO', lzo.found())
2076 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2077 config_host_data.set('CONFIG_BLKIO', blkio.found())
2079 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2080 blkio.version().version_compare('>=1.3.0'))
2082 config_host_data.set('CONFIG_CURL', curl.found())
2083 config_host_data.set('CONFIG_CURSES', curses.found())
2084 config_host_data.set('CONFIG_GBM', gbm.found())
2085 config_host_data.set('CONFIG_GIO', gio.found())
2086 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2087 if glusterfs.found()
2088 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2089 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2090 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2091 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2092 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2093 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2095 config_host_data.set('CONFIG_GTK', gtk.found())
2096 config_host_data.set('CONFIG_VTE', vte.found())
2097 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2098 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2099 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2100 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2101 config_host_data.set('CONFIG_EBPF', libbpf.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_SAFESTACK', get_option('safe_stack'))
2121 config_host_data.set('CONFIG_SDL', sdl.found())
2122 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2123 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2125 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2127 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2128 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2129 if get_option('tcg').allowed()
2130 config_host_data.set('CONFIG_TCG', 1)
2131 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2133 config_host_data.set('CONFIG_TPM', have_tpm)
2134 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2135 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2136 config_host_data.set('CONFIG_VDE', vde.found())
2137 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2138 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2139 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2140 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2141 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2142 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2143 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2144 config_host_data.set('CONFIG_VMNET', vmnet.found())
2145 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2146 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2147 config_host_data.set('CONFIG_PNG', png.found())
2148 config_host_data.set('CONFIG_VNC', vnc.found())
2149 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2150 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2151 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2152 config_host_data.set('CONFIG_VTE', vte.found())
2153 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2154 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2155 config_host_data.set('CONFIG_GETTID', has_gettid)
2156 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2157 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2158 config_host_data.set('CONFIG_TASN1', tasn1.found())
2159 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2160 config_host_data.set('CONFIG_NETTLE', nettle.found())
2161 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2162 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2163 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2164 config_host_data.set('CONFIG_STATX', has_statx)
2165 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2166 config_host_data.set('CONFIG_ZSTD', zstd.found())
2167 config_host_data.set('CONFIG_FUSE', fuse.found())
2168 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2169 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2170 if spice_protocol.found()
2171 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2172 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2173 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2175 config_host_data.set('CONFIG_SPICE', spice.found())
2176 config_host_data.set('CONFIG_X11', x11.found())
2177 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2178 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2179 config_host_data.set('CONFIG_SELINUX', selinux.found())
2180 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2181 config_host_data.set('CONFIG_LIBDW', libdw.found())
2183 # protect from xen.version() having less than three components
2184 xen_version = xen.version().split('.') + ['0', '0']
2185 xen_ctrl_version = xen_version[0] + \
2186 ('0' + xen_version[1]).substring(-2) + \
2187 ('0' + xen_version[2]).substring(-2)
2188 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2190 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2191 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2192 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2193 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2195 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2196 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2198 have_coroutine_pool = get_option('coroutine_pool')
2199 if get_option('debug_stack_usage') and have_coroutine_pool
2200 message('Disabling coroutine pool to measure stack usage')
2201 have_coroutine_pool = false
2203 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2204 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2205 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2206 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2207 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2208 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2209 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2210 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2211 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2214 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2215 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2216 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2217 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2218 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2219 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2220 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2221 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2222 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2223 if targetos == 'windows'
2224 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2228 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2229 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2230 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2231 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2232 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2233 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2234 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2235 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2236 # Note that we need to specify prefix: here to avoid incorrectly
2237 # thinking that Windows has posix_memalign()
2238 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2239 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2240 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2241 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2242 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2243 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2244 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2245 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2246 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2247 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2248 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2249 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2250 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2251 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2252 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2253 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2254 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2255 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2257 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2258 cc.has_function('rbd_namespace_exists',
2260 prefix: '#include <rbd/librbd.h>'))
2263 config_host_data.set('HAVE_IBV_ADVISE_MR',
2264 cc.has_function('ibv_advise_mr',
2266 prefix: '#include <infiniband/verbs.h>'))
2269 have_asan_fiber = false
2270 if get_option('sanitizers') and \
2271 not cc.has_function('__sanitizer_start_switch_fiber',
2272 args: '-fsanitize=address',
2273 prefix: '#include <sanitizer/asan_interface.h>')
2274 warning('Missing ASAN due to missing fiber annotation interface')
2275 warning('Without code annotation, the report may be inferior.')
2277 have_asan_fiber = true
2279 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2282 config_host_data.set('CONFIG_BLKZONED',
2283 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2284 config_host_data.set('CONFIG_EPOLL_CREATE1',
2285 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2286 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2288 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2289 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2290 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2291 config_host_data.set('CONFIG_FIEMAP',
2292 cc.has_header('linux/fiemap.h') and
2293 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2294 config_host_data.set('CONFIG_GETRANDOM',
2295 cc.has_function('getrandom') and
2296 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2297 config_host_data.set('CONFIG_INOTIFY',
2298 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2299 config_host_data.set('CONFIG_INOTIFY1',
2300 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2301 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2302 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2303 config_host_data.set('CONFIG_RTNETLINK',
2304 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2305 config_host_data.set('CONFIG_SYSMACROS',
2306 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2307 config_host_data.set('HAVE_OPTRESET',
2308 cc.has_header_symbol('getopt.h', 'optreset'))
2309 config_host_data.set('HAVE_IPPROTO_MPTCP',
2310 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2313 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2314 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2315 prefix: '#include <signal.h>'))
2316 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2317 cc.has_member('struct stat', 'st_atim',
2318 prefix: '#include <sys/stat.h>'))
2319 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2320 cc.has_member('struct blk_zone', 'capacity',
2321 prefix: '#include <linux/blkzoned.h>'))
2324 config_host_data.set('CONFIG_IOVEC',
2325 cc.has_type('struct iovec',
2326 prefix: '#include <sys/uio.h>'))
2327 config_host_data.set('HAVE_UTMPX',
2328 cc.has_type('struct utmpx',
2329 prefix: '#include <utmpx.h>'))
2331 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2332 #include <sys/eventfd.h>
2333 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2334 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2337 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2338 return fdatasync(0);
2340 #error Not supported
2344 has_madvise = cc.links(gnu_source_prefix + '''
2345 #include <sys/types.h>
2346 #include <sys/mman.h>
2348 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2349 missing_madvise_proto = false
2351 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2352 # but forget to prototype it. In this case, has_madvise will be true (the
2353 # test program links despite a compile warning). To detect the
2354 # missing-prototype case, we try again with a definitely-bogus prototype.
2355 # This will only compile if the system headers don't provide the prototype;
2356 # otherwise the conflicting prototypes will cause a compiler error.
2357 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2358 #include <sys/types.h>
2359 #include <sys/mman.h>
2361 extern int madvise(int);
2362 int main(void) { return madvise(0); }''')
2364 config_host_data.set('CONFIG_MADVISE', has_madvise)
2365 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2367 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2368 #include <sys/mman.h>
2369 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2370 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2372 #if !defined(AT_EMPTY_PATH)
2373 # error missing definition
2375 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2377 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2378 #include <sys/mman.h>
2380 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2382 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2383 #include <pthread.h>
2385 static void *f(void *p) { return NULL; }
2389 pthread_create(&thread, 0, f, 0);
2390 pthread_setname_np(thread, "QEMU");
2392 }''', dependencies: threads))
2393 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2394 #include <pthread.h>
2396 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2400 pthread_create(&thread, 0, f, 0);
2402 }''', dependencies: threads))
2403 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2404 #include <pthread.h>
2405 #include <pthread_np.h>
2407 static void *f(void *p) { return NULL; }
2411 pthread_create(&thread, 0, f, 0);
2412 pthread_set_name_np(thread, "QEMU");
2414 }''', dependencies: threads))
2415 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2416 #include <pthread.h>
2421 pthread_condattr_t attr
2422 pthread_condattr_init(&attr);
2423 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2425 }''', dependencies: threads))
2426 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2427 #include <pthread.h>
2429 static void *f(void *p) { return NULL; }
2432 int setsize = CPU_ALLOC_SIZE(64);
2435 pthread_create(&thread, 0, f, 0);
2436 cpuset = CPU_ALLOC(64);
2437 CPU_ZERO_S(setsize, cpuset);
2438 pthread_setaffinity_np(thread, setsize, cpuset);
2439 pthread_getaffinity_np(thread, setsize, cpuset);
2442 }''', dependencies: threads))
2443 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2444 #include <sys/signalfd.h>
2446 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2447 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2455 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2456 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2460 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2461 #include <sys/mman.h>
2463 return mlockall(MCL_FUTURE);
2467 if get_option('l2tpv3').allowed() and have_system
2468 have_l2tpv3 = cc.has_type('struct mmsghdr',
2469 prefix: gnu_source_prefix + '''
2470 #include <sys/socket.h>
2471 #include <linux/ip.h>''')
2473 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2476 if get_option('netmap').allowed() and have_system
2477 have_netmap = cc.compiles('''
2478 #include <inttypes.h>
2480 #include <net/netmap.h>
2481 #include <net/netmap_user.h>
2482 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2485 int main(void) { return 0; }''')
2486 if not have_netmap and get_option('netmap').enabled()
2487 error('Netmap headers not available')
2490 config_host_data.set('CONFIG_NETMAP', have_netmap)
2492 # Work around a system header bug with some kernel/XFS header
2493 # versions where they both try to define 'struct fsxattr':
2494 # xfs headers will not try to redefine structs from linux headers
2495 # if this macro is set.
2496 config_host_data.set('HAVE_FSXATTR', cc.links('''
2497 #include <linux/fs.h>
2503 # Some versions of Mac OS X incorrectly define SIZE_MAX
2504 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2508 return printf("%zu", SIZE_MAX);
2509 }''', args: ['-Werror']))
2511 # See if 64-bit atomic operations are supported.
2512 # Note that without __atomic builtins, we can only
2513 # assume atomic loads/stores max at pointer size.
2514 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2518 uint64_t x = 0, y = 0;
2519 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2520 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2521 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2522 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2523 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2527 has_int128_type = cc.compiles('''
2530 int main(void) { b = a; }''')
2531 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2533 has_int128 = has_int128_type and cc.links('''
2542 config_host_data.set('CONFIG_INT128', has_int128)
2545 # "do we have 128-bit atomics which are handled inline and specifically not
2546 # via libatomic". The reason we can't use libatomic is documented in the
2547 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2548 # We only care about these operations on 16-byte aligned pointers, so
2549 # force 16-byte alignment of the pointer, which may be greater than
2550 # __alignof(unsigned __int128) for the host.
2551 atomic_test_128 = '''
2552 int main(int ac, char **av) {
2553 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2554 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2555 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2556 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2559 has_atomic128 = cc.links(atomic_test_128)
2561 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2563 if not has_atomic128
2564 # Even with __builtin_assume_aligned, the above test may have failed
2565 # without optimization enabled. Try again with optimizations locally
2566 # enabled for the function. See
2567 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2568 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2569 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2571 if not has_atomic128_opt
2572 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2575 __uint128_t x = 0, y = 0;
2576 __sync_val_compare_and_swap_16(&x, y, x);
2584 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2585 #include <sys/auxv.h>
2587 return getauxval(AT_HWCAP) == 0;
2590 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2591 #include <linux/usbdevice_fs.h>
2593 #ifndef USBDEVFS_GET_CAPABILITIES
2594 #error "USBDEVFS_GET_CAPABILITIES undefined"
2597 #ifndef USBDEVFS_DISCONNECT_CLAIM
2598 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2601 int main(void) { return 0; }'''))
2603 have_keyring = get_option('keyring') \
2604 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2605 .require(cc.compiles('''
2607 #include <asm/unistd.h>
2608 #include <linux/keyctl.h>
2609 #include <sys/syscall.h>
2612 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2613 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2614 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2616 have_cpuid_h = cc.links('''
2619 unsigned a, b, c, d;
2620 unsigned max = __get_cpuid_max(0, 0);
2623 __cpuid(1, a, b, c, d);
2627 __cpuid_count(7, 0, a, b, c, d);
2632 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2634 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2635 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2636 .require(cc.links('''
2638 #include <immintrin.h>
2639 static int __attribute__((target("avx2"))) bar(void *a) {
2640 __m256i x = *(__m256i *)a;
2641 return _mm256_testz_si256(x, x);
2643 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2644 '''), error_message: 'AVX2 not available').allowed())
2646 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2647 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2648 .require(cc.links('''
2650 #include <immintrin.h>
2651 static int __attribute__((target("avx512f"))) bar(void *a) {
2652 __m512i x = *(__m512i *)a;
2653 return _mm512_test_epi64_mask(x, x);
2655 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2656 '''), error_message: 'AVX512F not available').allowed())
2658 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2659 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2660 .require(cc.links('''
2662 #include <immintrin.h>
2663 static int __attribute__((target("avx512bw"))) bar(void *a) {
2665 __m512i res= _mm512_abs_epi8(*x);
2668 int main(int argc, char *argv[]) { return bar(argv[0]); }
2669 '''), error_message: 'AVX512BW not available').allowed())
2671 # For both AArch64 and AArch32, detect if builtins are available.
2672 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2673 #include <arm_neon.h>
2674 #ifndef __ARM_FEATURE_AES
2675 __attribute__((target("+crypto")))
2677 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2680 have_pvrdma = get_option('pvrdma') \
2681 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2682 .require(cc.compiles(gnu_source_prefix + '''
2683 #include <sys/mman.h>
2688 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2691 }'''), error_message: 'PVRDMA requires mremap').allowed()
2694 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2695 #include <infiniband/verbs.h>
2699 struct ibv_pd *pd = NULL;
2705 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2711 if get_option('membarrier').disabled()
2712 have_membarrier = false
2713 elif targetos == 'windows'
2714 have_membarrier = true
2715 elif targetos == 'linux'
2716 have_membarrier = cc.compiles('''
2717 #include <linux/membarrier.h>
2718 #include <sys/syscall.h>
2722 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2723 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2727 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2728 .require(have_membarrier, error_message: 'membarrier system call not available') \
2731 have_afalg = get_option('crypto_afalg') \
2732 .require(cc.compiles(gnu_source_prefix + '''
2734 #include <sys/types.h>
2735 #include <sys/socket.h>
2736 #include <linux/if_alg.h>
2739 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2742 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2743 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2745 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2746 'linux/vm_sockets.h', 'AF_VSOCK',
2747 prefix: '#include <sys/socket.h>',
2751 have_vss_sdk = false # old xp/2003 SDK
2752 if targetos == 'windows' and 'cpp' in all_languages
2753 have_vss = cxx.compiles('''
2754 #define __MIDL_user_allocate_free_DEFINED__
2756 int main(void) { return VSS_CTX_BACKUP; }''')
2757 have_vss_sdk = cxx.has_header('vscoordint.h')
2759 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2761 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2762 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2763 if targetos == 'windows'
2764 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2770 }''', name: '_lock_file and _unlock_file'))
2773 if targetos == 'windows'
2774 mingw_has_setjmp_longjmp = cc.links('''
2778 * These functions are not available in setjmp header, but may be
2779 * available at link time, from libmingwex.a.
2781 extern int __mingw_setjmp(jmp_buf);
2782 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2784 __mingw_setjmp(env);
2785 __mingw_longjmp(env, 0);
2787 ''', name: 'mingw setjmp and longjmp')
2789 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2790 error('mingw must provide setjmp/longjmp for windows-arm64')
2794 ########################
2795 # Target configuration #
2796 ########################
2798 minikconf = find_program('scripts/minikconf.py')
2800 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2802 if targetos == 'darwin'
2803 config_targetos += {'CONFIG_DARWIN': 'y'}
2804 elif targetos == 'linux'
2805 config_targetos += {'CONFIG_LINUX': 'y'}
2807 if targetos in bsd_oses
2808 config_targetos += {'CONFIG_BSD': 'y'}
2812 config_all_devices = {}
2813 config_all_disas = {}
2814 config_devices_mak_list = []
2815 config_devices_h = {}
2816 config_target_h = {}
2817 config_target_mak = {}
2820 'alpha' : ['CONFIG_ALPHA_DIS'],
2821 'avr' : ['CONFIG_AVR_DIS'],
2822 'cris' : ['CONFIG_CRIS_DIS'],
2823 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2824 'hppa' : ['CONFIG_HPPA_DIS'],
2825 'i386' : ['CONFIG_I386_DIS'],
2826 'x86_64' : ['CONFIG_I386_DIS'],
2827 'm68k' : ['CONFIG_M68K_DIS'],
2828 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2829 'mips' : ['CONFIG_MIPS_DIS'],
2830 'nios2' : ['CONFIG_NIOS2_DIS'],
2831 'or1k' : ['CONFIG_OPENRISC_DIS'],
2832 'ppc' : ['CONFIG_PPC_DIS'],
2833 'riscv' : ['CONFIG_RISCV_DIS'],
2834 'rx' : ['CONFIG_RX_DIS'],
2835 's390' : ['CONFIG_S390_DIS'],
2836 'sh4' : ['CONFIG_SH4_DIS'],
2837 'sparc' : ['CONFIG_SPARC_DIS'],
2838 'xtensa' : ['CONFIG_XTENSA_DIS'],
2839 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2842 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2844 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2845 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2846 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2847 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2848 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2849 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2850 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2851 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2852 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2853 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2854 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2855 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2856 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2857 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2859 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2861 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2862 actual_target_dirs = []
2864 foreach target : target_dirs
2865 config_target = { 'TARGET_NAME': target.split('-')[0] }
2866 if target.endswith('linux-user')
2867 if targetos != 'linux'
2871 error('Target @0@ is only available on a Linux host'.format(target))
2873 config_target += { 'CONFIG_LINUX_USER': 'y' }
2874 elif target.endswith('bsd-user')
2875 if targetos not in bsd_oses
2879 error('Target @0@ is only available on a BSD host'.format(target))
2881 config_target += { 'CONFIG_BSD_USER': 'y' }
2882 elif target.endswith('softmmu')
2883 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2884 config_target += { 'CONFIG_SOFTMMU': 'y' }
2886 if target.endswith('-user')
2888 'CONFIG_USER_ONLY': 'y',
2889 'CONFIG_QEMU_INTERP_PREFIX':
2890 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2895 foreach sym: accelerators
2896 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2897 config_target += { sym: 'y' }
2898 config_all += { sym: 'y' }
2899 if target in modular_tcg
2900 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2902 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2904 accel_kconfig += [ sym + '=y' ]
2907 if accel_kconfig.length() == 0
2911 error('No accelerator available for target @0@'.format(target))
2914 actual_target_dirs += target
2915 config_target += keyval.load('configs/targets' / target + '.mak')
2916 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2918 if 'TARGET_NEED_FDT' in config_target
2919 fdt_required += target
2923 if 'TARGET_BASE_ARCH' not in config_target
2924 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2926 if 'TARGET_ABI_DIR' not in config_target
2927 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2929 if 'TARGET_BIG_ENDIAN' not in config_target
2930 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2933 foreach k, v: disassemblers
2934 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2936 config_target += { sym: 'y' }
2937 config_all_disas += { sym: 'y' }
2942 config_target_data = configuration_data()
2943 foreach k, v: config_target
2944 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2946 elif ignored.contains(k)
2948 elif k == 'TARGET_BASE_ARCH'
2949 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2950 # not used to select files from sourcesets.
2951 config_target_data.set('TARGET_' + v.to_upper(), 1)
2952 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2953 config_target_data.set_quoted(k, v)
2955 config_target_data.set(k, 1)
2957 config_target_data.set(k, 0)
2959 config_target_data.set(k, v)
2962 config_target_data.set('QEMU_ARCH',
2963 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2964 config_target_h += {target: configure_file(output: target + '-config-target.h',
2965 configuration: config_target_data)}
2967 if target.endswith('-softmmu')
2968 config_input = meson.get_external_property(target, 'default')
2969 config_devices_mak = target + '-config-devices.mak'
2970 config_devices_mak = configure_file(
2971 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2972 output: config_devices_mak,
2973 depfile: config_devices_mak + '.d',
2975 command: [minikconf,
2976 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2977 config_devices_mak, '@DEPFILE@', '@INPUT@',
2978 host_kconfig, accel_kconfig,
2979 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2981 config_devices_data = configuration_data()
2982 config_devices = keyval.load(config_devices_mak)
2983 foreach k, v: config_devices
2984 config_devices_data.set(k, 1)
2986 config_devices_mak_list += config_devices_mak
2987 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2988 configuration: config_devices_data)}
2989 config_target += config_devices
2990 config_all_devices += config_devices
2992 config_target_mak += {target: config_target}
2994 target_dirs = actual_target_dirs
2996 # This configuration is used to build files that are shared by
2997 # multiple binaries, and then extracted out of the "common"
2998 # static_library target.
3000 # We do not use all_sources()/all_dependencies(), because it would
3001 # build literally all source files, including devices only used by
3002 # targets that are not built for this compilation. The CONFIG_ALL
3003 # pseudo symbol replaces it.
3005 config_all += config_all_devices
3006 config_all += config_targetos
3007 config_all += config_all_disas
3009 'CONFIG_XEN': xen.found(),
3010 'CONFIG_SYSTEM_ONLY': have_system,
3011 'CONFIG_USER_ONLY': have_user,
3015 target_configs_h = []
3016 foreach target: target_dirs
3017 target_configs_h += config_target_h[target]
3018 target_configs_h += config_devices_h.get(target, [])
3020 genh += custom_target('config-poison.h',
3021 input: [target_configs_h],
3022 output: 'config-poison.h',
3024 command: [find_program('scripts/make-config-poison.sh'),
3031 capstone = not_found
3032 if not get_option('capstone').auto() or have_system or have_user
3033 capstone = dependency('capstone', version: '>=3.0.5',
3034 method: 'pkg-config',
3035 required: get_option('capstone'))
3037 # Some versions of capstone have broken pkg-config file
3038 # that reports a wrong -I path, causing the #include to
3039 # fail later. If the system has such a broken version
3041 if capstone.found() and not cc.compiles('#include <capstone.h>',
3042 dependencies: [capstone])
3043 capstone = not_found
3044 if get_option('capstone').enabled()
3045 error('capstone requested, but it does not appear to work')
3050 libvfio_user_dep = not_found
3051 if have_system and vfio_user_server_allowed
3052 libvfio_user_proj = subproject('libvfio-user', required: true)
3053 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3057 fdt_opt = get_option('fdt')
3058 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3059 if fdt_opt == 'disabled'
3060 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3063 if fdt_opt in ['enabled', 'auto', 'system']
3064 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3065 if fdt.found() and cc.links('''
3067 #include <libfdt_env.h>
3068 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3071 elif fdt_opt == 'system'
3072 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3074 fdt_opt = 'internal'
3079 assert(fdt_opt == 'internal')
3080 libfdt_proj = subproject('dtc', required: true,
3081 default_options: ['tools=false', 'yaml=disabled',
3082 'python=disabled', 'default_library=static'])
3083 fdt = libfdt_proj.get_variable('libfdt_dep')
3086 fdt_opt = 'disabled'
3089 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3090 config_host_data.set('CONFIG_FDT', fdt.found())
3091 config_host_data.set('CONFIG_SLIRP', slirp.found())
3093 #####################
3094 # Generated sources #
3095 #####################
3097 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3099 hxtool = find_program('scripts/hxtool')
3100 shaderinclude = find_program('scripts/shaderinclude.py')
3101 qapi_gen = find_program('scripts/qapi-gen.py')
3102 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3103 meson.current_source_dir() / 'scripts/qapi/commands.py',
3104 meson.current_source_dir() / 'scripts/qapi/common.py',
3105 meson.current_source_dir() / 'scripts/qapi/error.py',
3106 meson.current_source_dir() / 'scripts/qapi/events.py',
3107 meson.current_source_dir() / 'scripts/qapi/expr.py',
3108 meson.current_source_dir() / 'scripts/qapi/gen.py',
3109 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3110 meson.current_source_dir() / 'scripts/qapi/main.py',
3111 meson.current_source_dir() / 'scripts/qapi/parser.py',
3112 meson.current_source_dir() / 'scripts/qapi/schema.py',
3113 meson.current_source_dir() / 'scripts/qapi/source.py',
3114 meson.current_source_dir() / 'scripts/qapi/types.py',
3115 meson.current_source_dir() / 'scripts/qapi/visit.py',
3116 meson.current_source_dir() / 'scripts/qapi-gen.py'
3120 python, files('scripts/tracetool.py'),
3121 '--backend=' + ','.join(get_option('trace_backends'))
3123 tracetool_depends = files(
3124 'scripts/tracetool/backend/log.py',
3125 'scripts/tracetool/backend/__init__.py',
3126 'scripts/tracetool/backend/dtrace.py',
3127 'scripts/tracetool/backend/ftrace.py',
3128 'scripts/tracetool/backend/simple.py',
3129 'scripts/tracetool/backend/syslog.py',
3130 'scripts/tracetool/backend/ust.py',
3131 'scripts/tracetool/format/ust_events_c.py',
3132 'scripts/tracetool/format/ust_events_h.py',
3133 'scripts/tracetool/format/__init__.py',
3134 'scripts/tracetool/format/d.py',
3135 'scripts/tracetool/format/simpletrace_stap.py',
3136 'scripts/tracetool/format/c.py',
3137 'scripts/tracetool/format/h.py',
3138 'scripts/tracetool/format/log_stap.py',
3139 'scripts/tracetool/format/stap.py',
3140 'scripts/tracetool/__init__.py',
3141 'scripts/tracetool/vcpu.py'
3144 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3145 meson.current_source_dir(),
3146 get_option('pkgversion'), meson.project_version()]
3147 qemu_version = custom_target('qemu-version.h',
3148 output: 'qemu-version.h',
3149 command: qemu_version_cmd,
3151 build_by_default: true,
3152 build_always_stale: true)
3153 genh += qemu_version
3157 ['qemu-options.hx', 'qemu-options.def'],
3158 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3162 ['hmp-commands.hx', 'hmp-commands.h'],
3163 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3166 foreach d : hx_headers
3167 hxdep += custom_target(d[1],
3171 build_by_default: true, # to be removed when added to a target
3172 command: [hxtool, '-h', '@INPUT0@'])
3180 authz_ss = ss.source_set()
3181 blockdev_ss = ss.source_set()
3182 block_ss = ss.source_set()
3183 chardev_ss = ss.source_set()
3184 common_ss = ss.source_set()
3185 crypto_ss = ss.source_set()
3186 hwcore_ss = ss.source_set()
3187 io_ss = ss.source_set()
3188 qmp_ss = ss.source_set()
3189 qom_ss = ss.source_set()
3190 system_ss = ss.source_set()
3191 specific_fuzz_ss = ss.source_set()
3192 specific_ss = ss.source_set()
3193 stub_ss = ss.source_set()
3194 trace_ss = ss.source_set()
3195 user_ss = ss.source_set()
3196 util_ss = ss.source_set()
3199 qtest_module_ss = ss.source_set()
3200 tcg_module_ss = ss.source_set()
3206 target_softmmu_arch = {}
3207 target_user_arch = {}
3213 # TODO: add each directory to the subdirs from its own meson.build, once
3215 trace_events_subdirs = [
3224 trace_events_subdirs += [ 'linux-user' ]
3227 trace_events_subdirs += [ 'bsd-user' ]
3230 trace_events_subdirs += [
3239 trace_events_subdirs += [
3253 'hw/block/dataplane',
3304 if have_system or have_user
3305 trace_events_subdirs += [
3323 vhost_user = not_found
3324 if targetos == 'linux' and have_vhost_user
3325 libvhost_user = subproject('libvhost-user')
3326 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3329 libvduse = not_found
3331 libvduse_proj = subproject('libvduse')
3332 libvduse = libvduse_proj.get_variable('libvduse_dep')
3335 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3336 # that is filled in by qapi/.
3350 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3351 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3354 qom_ss = qom_ss.apply(config_targetos, strict: false)
3355 libqom = static_library('qom', qom_ss.sources() + genh,
3356 dependencies: [qom_ss.dependencies()],
3358 qom = declare_dependency(link_whole: libqom)
3360 event_loop_base = files('event-loop-base.c')
3361 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3362 build_by_default: true)
3363 event_loop_base = declare_dependency(link_whole: event_loop_base,
3364 dependencies: [qom])
3366 stub_ss = stub_ss.apply(config_all, strict: false)
3368 util_ss.add_all(trace_ss)
3369 util_ss = util_ss.apply(config_all, strict: false)
3370 libqemuutil = static_library('qemuutil',
3371 sources: util_ss.sources() + stub_ss.sources() + genh,
3372 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3373 qemuutil = declare_dependency(link_with: libqemuutil,
3374 sources: genh + version_res,
3375 dependencies: [event_loop_base])
3377 if have_system or have_user
3378 decodetree = generator(find_program('scripts/decodetree.py'),
3379 output: 'decode-@BASENAME@.c.inc',
3380 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3381 subdir('libdecnumber')
3398 if config_host_data.get('CONFIG_REPLICATION')
3399 block_ss.add(files('replication.c'))
3406 blockdev_ss.add(files(
3413 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3414 # os-win32.c does not
3415 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3416 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3419 common_ss.add(files('cpus-common.c'))
3420 specific_ss.add(files('cpu.c'))
3424 # Work around a gcc bug/misfeature wherein constant propagation looks
3426 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3427 # to guess that a const variable is always zero. Without lto, this is
3428 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3429 # without lto, not even the alias is required -- we simply use different
3430 # declarations in different compilation units.
3431 pagevary = files('page-vary-common.c')
3432 if get_option('b_lto')
3433 pagevary_flags = ['-fno-lto']
3434 if get_option('cfi')
3435 pagevary_flags += '-fno-sanitize=cfi-icall'
3437 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3438 c_args: pagevary_flags)
3439 pagevary = declare_dependency(link_with: pagevary)
3441 common_ss.add(pagevary)
3442 specific_ss.add(files('page-vary.c'))
3450 subdir('semihosting')
3458 common_user_inc = []
3460 subdir('common-user')
3462 subdir('linux-user')
3464 # needed for fuzzing binaries
3465 subdir('tests/qtest/libqos')
3466 subdir('tests/qtest/fuzz')
3469 tcg_real_module_ss = ss.source_set()
3470 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3471 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3472 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3473 'tcg': tcg_real_module_ss }}
3475 ########################
3476 # Library dependencies #
3477 ########################
3479 modinfo_collect = find_program('scripts/modinfo-collect.py')
3480 modinfo_generate = find_program('scripts/modinfo-generate.py')
3485 foreach d, list : modules
3486 if not (d == 'block' ? have_block : have_system)
3490 foreach m, module_ss : list
3492 module_ss = module_ss.apply(config_all, strict: false)
3493 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3494 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3500 if module_ss.sources() != []
3501 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3502 # input. Sources can be used multiple times but objects are
3503 # unique when it comes to lookup in compile_commands.json.
3504 # Depnds on a mesion version with
3505 # https://github.com/mesonbuild/meson/pull/8900
3506 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3507 output: d + '-' + m + '.modinfo',
3508 input: module_ss.sources() + genh,
3510 command: [modinfo_collect, module_ss.sources()])
3514 block_ss.add_all(module_ss)
3516 system_ss.add_all(module_ss)
3522 foreach d, list : target_modules
3523 foreach m, module_ss : list
3525 foreach target : target_dirs
3526 if target.endswith('-softmmu')
3527 config_target = config_target_mak[target]
3528 config_target += config_targetos
3529 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3530 c_args = ['-DNEED_CPU_H',
3531 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3532 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3533 target_module_ss = module_ss.apply(config_target, strict: false)
3534 if target_module_ss.sources() != []
3535 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3536 sl = static_library(module_name,
3537 [genh, target_module_ss.sources()],
3538 dependencies: [modulecommon, target_module_ss.dependencies()],
3539 include_directories: target_inc,
3543 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3544 modinfo_files += custom_target(module_name + '.modinfo',
3545 output: module_name + '.modinfo',
3546 input: target_module_ss.sources() + genh,
3548 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3553 specific_ss.add_all(module_ss)
3559 foreach target : target_dirs
3560 if target.endswith('-softmmu')
3561 config_target = config_target_mak[target]
3562 config_devices_mak = target + '-config-devices.mak'
3563 modinfo_src = custom_target('modinfo-' + target + '.c',
3564 output: 'modinfo-' + target + '.c',
3565 input: modinfo_files,
3566 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3569 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3570 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3572 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3573 hw_arch[arch].add(modinfo_dep)
3578 nm = find_program('nm')
3579 undefsym = find_program('scripts/undefsym.py')
3580 block_syms = custom_target('block.syms', output: 'block.syms',
3581 input: [libqemuutil, block_mods],
3583 command: [undefsym, nm, '@INPUT@'])
3584 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3585 input: [libqemuutil, softmmu_mods],
3587 command: [undefsym, nm, '@INPUT@'])
3589 authz_ss = authz_ss.apply(config_targetos, strict: false)
3590 libauthz = static_library('authz', authz_ss.sources() + genh,
3591 dependencies: [authz_ss.dependencies()],
3593 build_by_default: false)
3595 authz = declare_dependency(link_whole: libauthz,
3598 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3599 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3600 dependencies: [crypto_ss.dependencies()],
3602 build_by_default: false)
3604 crypto = declare_dependency(link_whole: libcrypto,
3605 dependencies: [authz, qom])
3607 io_ss = io_ss.apply(config_targetos, strict: false)
3608 libio = static_library('io', io_ss.sources() + genh,
3609 dependencies: [io_ss.dependencies()],
3610 link_with: libqemuutil,
3612 build_by_default: false)
3614 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3616 libmigration = static_library('migration', sources: migration_files + genh,
3618 build_by_default: false)
3619 migration = declare_dependency(link_with: libmigration,
3620 dependencies: [zlib, qom, io])
3621 system_ss.add(migration)
3623 block_ss = block_ss.apply(config_targetos, strict: false)
3624 libblock = static_library('block', block_ss.sources() + genh,
3625 dependencies: block_ss.dependencies(),
3626 link_depends: block_syms,
3628 build_by_default: false)
3630 block = declare_dependency(link_whole: [libblock],
3631 link_args: '@block.syms',
3632 dependencies: [crypto, io])
3634 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3635 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3636 dependencies: blockdev_ss.dependencies(),
3638 build_by_default: false)
3640 blockdev = declare_dependency(link_whole: [libblockdev],
3641 dependencies: [block, event_loop_base])
3643 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3644 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3645 dependencies: qmp_ss.dependencies(),
3647 build_by_default: false)
3649 qmp = declare_dependency(link_whole: [libqmp])
3651 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3653 dependencies: chardev_ss.dependencies(),
3654 build_by_default: false)
3656 chardev = declare_dependency(link_whole: libchardev)
3658 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3659 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3661 build_by_default: false)
3662 hwcore = declare_dependency(link_whole: libhwcore)
3663 common_ss.add(hwcore)
3669 emulator_modules = []
3670 foreach m : block_mods + softmmu_mods
3671 emulator_modules += shared_module(m.name(),
3672 build_by_default: true,
3676 install_dir: qemu_moddir)
3678 if emulator_modules.length() > 0
3679 alias_target('modules', emulator_modules)
3682 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3683 common_ss.add(qom, qemuutil)
3685 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3686 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3688 common_all = common_ss.apply(config_all, strict: false)
3689 common_all = static_library('common',
3690 build_by_default: false,
3691 sources: common_all.sources() + genh,
3692 include_directories: common_user_inc,
3693 implicit_include_directories: false,
3694 dependencies: common_all.dependencies(),
3697 feature_to_c = find_program('scripts/feature_to_c.sh')
3699 if targetos == 'darwin'
3700 entitlement = find_program('scripts/entitlement.sh')
3704 foreach target : target_dirs
3705 config_target = config_target_mak[target]
3706 target_name = config_target['TARGET_NAME']
3707 target_base_arch = config_target['TARGET_BASE_ARCH']
3708 arch_srcs = [config_target_h[target]]
3710 c_args = ['-DNEED_CPU_H',
3711 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3712 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3713 link_args = emulator_link_args
3715 config_target += config_targetos
3716 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3717 if targetos == 'linux'
3718 target_inc += include_directories('linux-headers', is_system: true)
3720 if target.endswith('-softmmu')
3721 target_type='system'
3722 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3723 arch_srcs += t.sources()
3724 arch_deps += t.dependencies()
3726 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3727 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3728 arch_srcs += hw.sources()
3729 arch_deps += hw.dependencies()
3731 arch_srcs += config_devices_h[target]
3732 link_args += ['@block.syms', '@qemu.syms']
3734 abi = config_target['TARGET_ABI_DIR']
3736 target_inc += common_user_inc
3737 if target_base_arch in target_user_arch
3738 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3739 arch_srcs += t.sources()
3740 arch_deps += t.dependencies()
3742 if 'CONFIG_LINUX_USER' in config_target
3743 base_dir = 'linux-user'
3745 if 'CONFIG_BSD_USER' in config_target
3746 base_dir = 'bsd-user'
3747 target_inc += include_directories('bsd-user/' / targetos)
3748 target_inc += include_directories('bsd-user/host/' / host_arch)
3749 dir = base_dir / abi
3750 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3752 target_inc += include_directories(
3756 if 'CONFIG_LINUX_USER' in config_target
3757 dir = base_dir / abi
3758 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3759 if config_target.has_key('TARGET_SYSTBL_ABI')
3761 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3762 extra_args : config_target['TARGET_SYSTBL_ABI'])
3767 if 'TARGET_XML_FILES' in config_target
3768 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3769 output: target + '-gdbstub-xml.c',
3770 input: files(config_target['TARGET_XML_FILES'].split()),
3771 command: [feature_to_c, '@INPUT@'],
3773 arch_srcs += gdbstub_xml
3776 t = target_arch[target_base_arch].apply(config_target, strict: false)
3777 arch_srcs += t.sources()
3778 arch_deps += t.dependencies()
3780 target_common = common_ss.apply(config_target, strict: false)
3781 objects = common_all.extract_objects(target_common.sources())
3782 deps = target_common.dependencies()
3784 target_specific = specific_ss.apply(config_target, strict: false)
3785 arch_srcs += target_specific.sources()
3786 arch_deps += target_specific.dependencies()
3788 lib = static_library('qemu-' + target,
3789 sources: arch_srcs + genh,
3790 dependencies: arch_deps,
3792 include_directories: target_inc,
3794 build_by_default: false,
3797 if target.endswith('-softmmu')
3799 'name': 'qemu-system-' + target_name,
3800 'win_subsystem': 'console',
3801 'sources': files('softmmu/main.c'),
3804 if targetos == 'windows' and (sdl.found() or gtk.found())
3806 'name': 'qemu-system-' + target_name + 'w',
3807 'win_subsystem': 'windows',
3808 'sources': files('softmmu/main.c'),
3812 if get_option('fuzzing')
3813 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3815 'name': 'qemu-fuzz-' + target_name,
3816 'win_subsystem': 'console',
3817 'sources': specific_fuzz.sources(),
3818 'dependencies': specific_fuzz.dependencies(),
3823 'name': 'qemu-' + target_name,
3824 'win_subsystem': 'console',
3830 exe_name = exe['name']
3831 if targetos == 'darwin'
3832 exe_name += '-unsigned'
3835 emulator = executable(exe_name, exe['sources'],
3838 dependencies: arch_deps + deps + exe['dependencies'],
3839 objects: lib.extract_all_objects(recursive: true),
3840 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3841 link_args: link_args,
3842 win_subsystem: exe['win_subsystem'])
3844 if targetos == 'darwin'
3845 icon = 'pc-bios/qemu.rsrc'
3846 build_input = [emulator, files(icon)]
3848 get_option('bindir') / exe_name,
3849 meson.current_source_dir() / icon
3851 if 'CONFIG_HVF' in config_target
3852 entitlements = 'accel/hvf/entitlements.plist'
3853 build_input += files(entitlements)
3854 install_input += meson.current_source_dir() / entitlements
3857 emulators += {exe['name'] : custom_target(exe['name'],
3859 output: exe['name'],
3860 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3863 meson.add_install_script(entitlement, '--install',
3864 get_option('bindir') / exe['name'],
3867 emulators += {exe['name']: emulator}
3872 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3873 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3874 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3875 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3877 custom_target(exe['name'] + stp['ext'],
3878 input: trace_events_all,
3879 output: exe['name'] + stp['ext'],
3880 install: stp['install'],
3881 install_dir: get_option('datadir') / 'systemtap/tapset',
3883 tracetool, '--group=all', '--format=' + stp['fmt'],
3884 '--binary=' + stp['bin'],
3885 '--target-name=' + target_name,
3886 '--target-type=' + target_type,
3887 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3888 '@INPUT@', '@OUTPUT@'
3890 depend_files: tracetool_depends)
3896 # Other build targets
3898 if get_option('plugins')
3899 install_headers('include/qemu/qemu-plugin.h')
3904 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3905 # when we don't build tools or system
3906 if xkbcommon.found()
3907 # used for the update-keymaps target, so include rules even if !have_tools
3908 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3909 dependencies: [qemuutil, xkbcommon], install: have_tools)
3913 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3914 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3915 qemu_io = executable('qemu-io', files('qemu-io.c'),
3916 dependencies: [block, qemuutil], install: true)
3917 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3918 dependencies: [blockdev, qemuutil, gnutls, selinux],
3921 subdir('storage-daemon')
3922 subdir('contrib/rdmacm-mux')
3923 subdir('contrib/elf2dmp')
3925 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3926 dependencies: qemuutil,
3930 subdir('contrib/vhost-user-blk')
3931 subdir('contrib/vhost-user-gpu')
3932 subdir('contrib/vhost-user-input')
3933 subdir('contrib/vhost-user-scsi')
3936 if targetos == 'linux'
3937 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3938 dependencies: [qemuutil, libcap_ng],
3940 install_dir: get_option('libexecdir'))
3942 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3943 dependencies: [authz, crypto, io, qom, qemuutil,
3944 libcap_ng, mpathpersist],
3949 subdir('contrib/ivshmem-client')
3950 subdir('contrib/ivshmem-server')
3963 if host_machine.system() == 'windows'
3965 find_program('scripts/nsis.py'),
3967 get_option('prefix'),
3968 meson.current_source_dir(),
3969 glib_pc.get_variable('bindir'),
3972 '-DDISPLAYVERSION=' + meson.project_version(),
3975 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3978 nsis_cmd += '-DCONFIG_GTK=y'
3981 nsis = custom_target('nsis',
3982 output: 'qemu-setup-' + meson.project_version() + '.exe',
3983 input: files('qemu.nsi'),
3984 build_always_stale: true,
3985 command: nsis_cmd + ['@INPUT@'])
3986 alias_target('installer', nsis)
3989 #########################
3990 # Configuration summary #
3991 #########################
3995 summary_info += {'Build directory': meson.current_build_dir()}
3996 summary_info += {'Source path': meson.current_source_dir()}
3997 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3998 summary(summary_info, bool_yn: true, section: 'Build environment')
4001 summary_info += {'Install prefix': get_option('prefix')}
4002 summary_info += {'BIOS directory': qemu_datadir}
4003 pathsep = targetos == 'windows' ? ';' : ':'
4004 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4005 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4006 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4007 summary_info += {'module directory': qemu_moddir}
4008 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4009 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4010 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4011 if targetos != 'windows'
4012 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4013 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4015 summary_info += {'local state directory': 'queried at runtime'}
4017 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4018 summary(summary_info, bool_yn: true, section: 'Directories')
4022 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4023 summary_info += {'sphinx-build': sphinx_build}
4024 if config_host.has_key('HAVE_GDB_BIN')
4025 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4027 summary_info += {'iasl': iasl}
4028 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4029 if targetos == 'windows' and have_ga
4030 summary_info += {'wixl': wixl}
4032 if slirp.found() and have_system
4033 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4035 summary(summary_info, bool_yn: true, section: 'Host binaries')
4037 # Configurable features
4039 summary_info += {'Documentation': build_docs}
4040 summary_info += {'system-mode emulation': have_system}
4041 summary_info += {'user-mode emulation': have_user}
4042 summary_info += {'block layer': have_block}
4043 summary_info += {'Install blobs': get_option('install_blobs')}
4044 summary_info += {'module support': enable_modules}
4046 summary_info += {'alternative module path': get_option('module_upgrades')}
4048 summary_info += {'fuzzing support': get_option('fuzzing')}
4050 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4052 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4053 if 'simple' in get_option('trace_backends')
4054 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4056 summary_info += {'D-Bus display': dbus_display}
4057 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4058 summary_info += {'vhost-kernel support': have_vhost_kernel}
4059 summary_info += {'vhost-net support': have_vhost_net}
4060 summary_info += {'vhost-user support': have_vhost_user}
4061 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4062 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4063 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4064 summary_info += {'build guest agent': have_ga}
4065 summary(summary_info, bool_yn: true, section: 'Configurable features')
4067 # Compilation information
4069 summary_info += {'host CPU': cpu}
4070 summary_info += {'host endianness': build_machine.endian()}
4071 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4072 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4073 if 'cpp' in all_languages
4074 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4076 summary_info += {'C++ compiler': false}
4078 if targetos == 'darwin'
4079 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4081 option_cflags = (get_option('debug') ? ['-g'] : [])
4082 if get_option('optimization') != 'plain'
4083 option_cflags += ['-O' + get_option('optimization')]
4085 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4086 if 'cpp' in all_languages
4087 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4089 if targetos == 'darwin'
4090 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4092 link_args = get_option('c_link_args')
4093 if link_args.length() > 0
4094 summary_info += {'LDFLAGS': ' '.join(link_args)}
4096 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4097 if 'cpp' in all_languages
4098 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4100 if 'objc' in all_languages
4101 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4103 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4104 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4105 summary_info += {'PIE': get_option('b_pie')}
4106 summary_info += {'static build': get_option('prefer_static')}
4107 summary_info += {'malloc trim support': has_malloc_trim}
4108 summary_info += {'membarrier': have_membarrier}
4109 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4110 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4111 summary_info += {'mutex debugging': get_option('debug_mutex')}
4112 summary_info += {'memory allocator': get_option('malloc')}
4113 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4114 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4115 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4116 if get_option('gprof')
4117 gprof_info = 'YES (deprecated)'
4119 gprof_info = get_option('gprof')
4121 summary_info += {'gprof': gprof_info}
4122 summary_info += {'gcov': get_option('b_coverage')}
4123 summary_info += {'thread sanitizer': get_option('tsan')}
4124 summary_info += {'CFI support': get_option('cfi')}
4125 if get_option('cfi')
4126 summary_info += {'CFI debug support': get_option('cfi_debug')}
4128 summary_info += {'strip binaries': get_option('strip')}
4129 summary_info += {'sparse': sparse}
4130 summary_info += {'mingw32 support': targetos == 'windows'}
4131 summary(summary_info, bool_yn: true, section: 'Compilation')
4133 # snarf the cross-compilation information for tests
4136 foreach target: target_dirs
4137 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4138 if fs.exists(tcg_mak)
4139 config_cross_tcg = keyval.load(tcg_mak)
4140 if 'CC' in config_cross_tcg
4141 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4147 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4150 # Targets and accelerators
4153 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4154 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4155 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4156 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4157 summary_info += {'Xen support': xen.found()}
4159 summary_info += {'xen ctrl version': xen.version()}
4161 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4163 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4164 if config_all.has_key('CONFIG_TCG')
4165 if get_option('tcg_interpreter')
4166 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4168 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4170 summary_info += {'TCG plugins': get_option('plugins')}
4171 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4173 summary_info += {'target list': ' '.join(target_dirs)}
4175 summary_info += {'default devices': get_option('default_devices')}
4176 summary_info += {'out of process emulation': multiprocess_allowed}
4177 summary_info += {'vfio-user server': vfio_user_server_allowed}
4179 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4183 summary_info += {'coroutine backend': coroutine_backend}
4184 summary_info += {'coroutine pool': have_coroutine_pool}
4186 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4187 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4188 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4189 summary_info += {'VirtFS (9P) support': have_virtfs}
4190 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4191 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4192 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4193 summary_info += {'bochs support': get_option('bochs').allowed()}
4194 summary_info += {'cloop support': get_option('cloop').allowed()}
4195 summary_info += {'dmg support': get_option('dmg').allowed()}
4196 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4197 summary_info += {'vdi support': get_option('vdi').allowed()}
4198 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4199 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4200 summary_info += {'vpc support': get_option('vpc').allowed()}
4201 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4202 summary_info += {'qed support': get_option('qed').allowed()}
4203 summary_info += {'parallels support': get_option('parallels').allowed()}
4204 summary_info += {'FUSE exports': fuse}
4205 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4207 summary(summary_info, bool_yn: true, section: 'Block layer support')
4211 summary_info += {'TLS priority': get_option('tls_priority')}
4212 summary_info += {'GNUTLS support': gnutls}
4214 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4216 summary_info += {'libgcrypt': gcrypt}
4217 summary_info += {'nettle': nettle}
4219 summary_info += {' XTS': xts != 'private'}
4221 summary_info += {'AF_ALG support': have_afalg}
4222 summary_info += {'rng-none': get_option('rng_none')}
4223 summary_info += {'Linux keyring': have_keyring}
4224 summary(summary_info, bool_yn: true, section: 'Crypto')
4228 if targetos == 'darwin'
4229 summary_info += {'Cocoa support': cocoa}
4231 summary_info += {'SDL support': sdl}
4232 summary_info += {'SDL image support': sdl_image}
4233 summary_info += {'GTK support': gtk}
4234 summary_info += {'pixman': pixman}
4235 summary_info += {'VTE support': vte}
4236 summary_info += {'PNG support': png}
4237 summary_info += {'VNC support': vnc}
4239 summary_info += {'VNC SASL support': sasl}
4240 summary_info += {'VNC JPEG support': jpeg}
4242 summary_info += {'spice protocol support': spice_protocol}
4243 if spice_protocol.found()
4244 summary_info += {' spice server support': spice}
4246 summary_info += {'curses support': curses}
4247 summary_info += {'brlapi support': brlapi}
4248 summary(summary_info, bool_yn: true, section: 'User interface')
4252 if targetos not in ['darwin', 'haiku', 'windows']
4253 summary_info += {'OSS support': oss}
4254 summary_info += {'sndio support': sndio}
4255 elif targetos == 'darwin'
4256 summary_info += {'CoreAudio support': coreaudio}
4257 elif targetos == 'windows'
4258 summary_info += {'DirectSound support': dsound}
4260 if targetos == 'linux'
4261 summary_info += {'ALSA support': alsa}
4262 summary_info += {'PulseAudio support': pulse}
4264 summary_info += {'PipeWire support': pipewire}
4265 summary_info += {'JACK support': jack}
4266 summary(summary_info, bool_yn: true, section: 'Audio backends')
4270 if targetos == 'darwin'
4271 summary_info += {'vmnet.framework support': vmnet}
4273 summary_info += {'slirp support': slirp}
4274 summary_info += {'vde support': vde}
4275 summary_info += {'netmap support': have_netmap}
4276 summary_info += {'l2tpv3 support': have_l2tpv3}
4277 summary(summary_info, bool_yn: true, section: 'Network backends')
4281 summary_info += {'libtasn1': tasn1}
4282 summary_info += {'PAM': pam}
4283 summary_info += {'iconv support': iconv}
4284 summary_info += {'virgl support': virgl}
4285 summary_info += {'blkio support': blkio}
4286 summary_info += {'curl support': curl}
4287 summary_info += {'Multipath support': mpathpersist}
4288 summary_info += {'Linux AIO support': libaio}
4289 summary_info += {'Linux io_uring support': linux_io_uring}
4290 summary_info += {'ATTR/XATTR support': libattr}
4291 summary_info += {'RDMA support': rdma}
4292 summary_info += {'PVRDMA support': have_pvrdma}
4293 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4294 summary_info += {'libcap-ng support': libcap_ng}
4295 summary_info += {'bpf support': libbpf}
4296 summary_info += {'rbd support': rbd}
4297 summary_info += {'smartcard support': cacard}
4298 summary_info += {'U2F support': u2f}
4299 summary_info += {'libusb': libusb}
4300 summary_info += {'usb net redir': usbredir}
4301 summary_info += {'OpenGL support (epoxy)': opengl}
4302 summary_info += {'GBM': gbm}
4303 summary_info += {'libiscsi support': libiscsi}
4304 summary_info += {'libnfs support': libnfs}
4305 if targetos == 'windows'
4307 summary_info += {'QGA VSS support': have_qga_vss}
4310 summary_info += {'seccomp support': seccomp}
4311 summary_info += {'GlusterFS support': glusterfs}
4312 summary_info += {'TPM support': have_tpm}
4313 summary_info += {'libssh support': libssh}
4314 summary_info += {'lzo support': lzo}
4315 summary_info += {'snappy support': snappy}
4316 summary_info += {'bzip2 support': libbzip2}
4317 summary_info += {'lzfse support': liblzfse}
4318 summary_info += {'zstd support': zstd}
4319 summary_info += {'NUMA host support': numa}
4320 summary_info += {'capstone': capstone}
4321 summary_info += {'libpmem support': libpmem}
4322 summary_info += {'libdaxctl support': libdaxctl}
4323 summary_info += {'libudev': libudev}
4324 # Dummy dependency, keep .found()
4325 summary_info += {'FUSE lseek': fuse_lseek.found()}
4326 summary_info += {'selinux': selinux}
4327 summary_info += {'libdw': libdw}
4328 summary(summary_info, bool_yn: true, section: 'Dependencies')
4330 if host_arch == 'unknown'
4332 warning('UNSUPPORTED HOST CPU')
4334 message('Support for CPU host architecture ' + cpu + ' is not currently')
4335 message('maintained. The QEMU project does not guarantee that QEMU will')
4336 message('compile or work on this host CPU. You can help by volunteering')
4337 message('to maintain it and providing a build host for our continuous')
4338 message('integration setup.')
4339 if get_option('tcg').allowed() and target_dirs.length() > 0
4341 message('configure has succeeded and you can continue to build, but')
4342 message('QEMU will use a slow interpreter to emulate the target CPU.')
4346 if not supported_oses.contains(targetos)
4348 warning('UNSUPPORTED HOST OS')
4350 message('Support for host OS ' + targetos + 'is not currently maintained.')
4351 message('configure has succeeded and you can continue to build, but')
4352 message('the QEMU project does not guarantee that QEMU will compile or')
4353 message('work on this operating system. You can help by volunteering')
4354 message('to maintain it and providing a build host for our continuous')
4355 message('integration setup. This will ensure that future versions of QEMU')
4356 message('will keep working on ' + targetos + '.')
4359 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4361 message('If you want to help supporting QEMU on this platform, please')
4362 message('contact the developers at qemu-devel@nongnu.org.')