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 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', 'riscv', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 # Unify riscv* to a single family.
64 if cpu in ['riscv32', 'riscv64']
68 target_dirs = config_host['TARGET_DIRS'].split()
69 have_linux_user = false
72 foreach target : target_dirs
73 have_linux_user = have_linux_user or target.endswith('linux-user')
74 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
75 have_system = have_system or target.endswith('-softmmu')
77 have_user = have_linux_user or have_bsd_user
78 have_tools = get_option('tools') \
79 .disable_auto_if(not have_system) \
81 have_ga = get_option('guest_agent') \
82 .disable_auto_if(not have_system and not have_tools) \
83 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
84 error_message: 'unsupported OS for QEMU guest agent') \
86 enable_modules = get_option('modules') \
87 .require(targetos != 'windows',
88 error_message: 'Modules are not available for Windows') \
89 .require(not get_option('prefer_static'),
90 error_message: 'Modules are incompatible with static linking') \
92 have_block = have_system or have_tools
94 python = import('python').find_installation()
96 if cpu not in supported_cpus
106 if cpu in ['x86', 'x86_64']
107 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
108 elif cpu == 'aarch64'
109 kvm_targets = ['aarch64-softmmu']
111 kvm_targets = ['s390x-softmmu']
112 elif cpu in ['ppc', 'ppc64']
113 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
114 elif cpu in ['mips', 'mips64']
115 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
116 elif cpu in ['riscv']
117 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
123 if get_option('kvm').allowed() and targetos == 'linux'
124 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
126 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
128 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
130 if cpu in ['aarch64']
131 accelerator_targets += {
132 'CONFIG_HVF': ['aarch64-softmmu']
136 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
137 # i386 emulator provides xenpv machine type for multiple architectures
138 accelerator_targets += {
139 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
142 if cpu in ['x86', 'x86_64']
143 accelerator_targets += {
144 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_HVF': ['x86_64-softmmu'],
146 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
147 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
152 # Darwin does not support references to thread-local variables in modules
153 if targetos != 'darwin'
154 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
157 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
158 unpack_edk2_blobs = false
159 foreach target : edk2_targets
160 if target in target_dirs
161 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
162 unpack_edk2_blobs = bzip2.found()
169 if 'dtrace' in get_option('trace_backends')
170 dtrace = find_program('dtrace', required: true)
171 stap = find_program('stap', required: false)
173 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
174 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
175 # instead. QEMU --enable-modules depends on this because the SystemTap
176 # semaphores are linked into the main binary and not the module's shared
178 add_global_arguments('-DSTAP_SDT_V2',
179 native: false, language: all_languages)
183 if get_option('iasl') == ''
184 iasl = find_program('iasl', required: false)
186 iasl = find_program(get_option('iasl'), required: true)
193 foreach lang : all_languages
194 compiler = meson.get_compiler(lang)
195 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
197 elif compiler.get_id() == 'clang' and compiler.compiles('''
198 #ifdef __apple_build_version__
199 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
200 # error You need at least XCode Clang v12.0 to compile QEMU
203 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
204 # error You need at least Clang v10.0 to compile QEMU
209 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
213 # default flags for all hosts
214 # We use -fwrapv to tell the compiler that we require a C dialect where
215 # left shift of signed integers is well defined and has the expected
216 # 2s-complement style results. (Both clang and gcc agree that it
217 # provides these semantics.)
219 qemu_common_flags = [
220 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
221 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
225 if targetos == 'darwin'
226 # Disable attempts to use ObjectiveC features in os/object.h since they
227 # won't work when we're compiling with gcc as a C compiler.
228 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 # Check that the C++ compiler exists and works with the C compiler.
480 if 'cpp' in all_languages
481 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
483 link_language = 'cpp'
486 message('C++ compiler does not work with C compiler')
487 message('Disabling C++-specific optional code')
491 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
492 if get_option('optimization') != '0' and targetos == 'linux'
493 if cc.get_id() == 'gcc'
494 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
496 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
497 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
501 add_project_arguments(qemu_cflags, native: false, language: 'c')
502 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
503 if 'cpp' in all_languages
504 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
505 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
507 if 'objc' in all_languages
508 # Note sanitizer flags are not applied to Objective-C sources!
509 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
511 if targetos == 'linux'
512 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
513 '-isystem', 'linux-headers',
514 language: all_languages)
517 add_project_arguments('-iquote', '.',
518 '-iquote', meson.current_source_dir(),
519 '-iquote', meson.current_source_dir() / 'include',
520 language: all_languages)
522 # If a host-specific include directory exists, list that first...
523 host_include = meson.current_source_dir() / 'host/include/'
524 if fs.is_dir(host_include / host_arch)
525 add_project_arguments('-iquote', host_include / host_arch,
526 language: all_languages)
528 # ... followed by the generic fallback.
529 add_project_arguments('-iquote', host_include / 'generic',
530 language: all_languages)
532 sparse = find_program('cgcc', required: get_option('sparse'))
535 command: [find_program('scripts/check_sparse.py'),
536 'compile_commands.json', sparse.full_path(), '-Wbitwise',
537 '-Wno-transparent-union', '-Wno-old-initializer',
538 '-Wno-non-pointer-null'])
541 ###########################################
542 # Target-specific checks and dependencies #
543 ###########################################
546 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
549 #include <sys/types.h>
550 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
551 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
553 args: ['-Werror', '-fsanitize=fuzzer'])
554 error('Your compiler does not support -fsanitize=fuzzer')
558 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
559 error('ftrace is supported only on Linux')
561 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
564 openlog("qemu", LOG_PID, LOG_DAEMON);
565 syslog(LOG_INFO, "configure");
568 error('syslog is not supported on this system')
571 # Miscellaneous Linux-only features
572 get_option('mpath') \
573 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
575 multiprocess_allowed = get_option('multiprocess') \
576 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
579 vfio_user_server_allowed = get_option('vfio_user_server') \
580 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
583 have_tpm = get_option('tpm') \
584 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
588 have_vhost_user = get_option('vhost_user') \
589 .disable_auto_if(targetos != 'linux') \
590 .require(targetos != 'windows',
591 error_message: 'vhost-user is not available on Windows').allowed()
592 have_vhost_vdpa = get_option('vhost_vdpa') \
593 .require(targetos == 'linux',
594 error_message: 'vhost-vdpa is only available on Linux').allowed()
595 have_vhost_kernel = get_option('vhost_kernel') \
596 .require(targetos == 'linux',
597 error_message: 'vhost-kernel is only available on Linux').allowed()
598 have_vhost_user_crypto = get_option('vhost_crypto') \
599 .require(have_vhost_user,
600 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
602 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
604 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
605 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
606 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
607 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
609 # Target-specific libraries and flags
610 libm = cc.find_library('m', required: false)
611 threads = dependency('threads')
612 util = cc.find_library('util', required: false)
618 emulator_link_args = []
625 if targetos == 'windows'
626 midl = find_program('midl', required: false)
627 widl = find_program('widl', required: false)
628 pathcch = cc.find_library('pathcch')
629 socket = cc.find_library('ws2_32')
630 winmm = cc.find_library('winmm')
632 win = import('windows')
633 version_res = win.compile_resources('version.rc',
634 depend_files: files('pc-bios/qemu-nsis.ico'),
635 include_directories: include_directories('.'))
637 elif targetos == 'darwin'
638 coref = dependency('appleframeworks', modules: 'CoreFoundation')
639 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
640 host_dsosuf = '.dylib'
641 elif targetos == 'sunos'
642 socket = [cc.find_library('socket'),
643 cc.find_library('nsl'),
644 cc.find_library('resolv')]
645 elif targetos == 'haiku'
646 socket = [cc.find_library('posix_error_mapper'),
647 cc.find_library('network'),
648 cc.find_library('bsd')]
649 elif targetos == 'openbsd'
650 if get_option('tcg').allowed() and target_dirs.length() > 0
651 # Disable OpenBSD W^X if available
652 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
656 # Target-specific configuration of accelerators
658 if get_option('kvm').allowed() and targetos == 'linux'
659 accelerators += 'CONFIG_KVM'
661 if get_option('whpx').allowed() and targetos == 'windows'
662 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
663 error('WHPX requires 64-bit host')
664 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
665 cc.has_header('winhvemulation.h', required: get_option('whpx'))
666 accelerators += 'CONFIG_WHPX'
669 if get_option('hvf').allowed()
670 hvf = dependency('appleframeworks', modules: 'Hypervisor',
671 required: get_option('hvf'))
673 accelerators += 'CONFIG_HVF'
676 if get_option('hax').allowed()
677 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
678 accelerators += 'CONFIG_HAX'
681 if targetos == 'netbsd'
682 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
684 accelerators += 'CONFIG_NVMM'
689 if get_option('tcg').allowed()
690 if host_arch == 'unknown'
691 if get_option('tcg_interpreter')
692 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
694 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
696 elif get_option('tcg_interpreter')
697 warning('Use of the TCG interpreter is not recommended on this host')
698 warning('architecture. There is a native TCG execution backend available')
699 warning('which provides substantially better performance and reliability.')
700 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
701 warning('configuration option on this architecture to use the native')
704 if get_option('tcg_interpreter')
706 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
707 elif host_arch == 'x86_64'
709 elif host_arch == 'ppc64'
712 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
713 language: all_languages)
715 accelerators += 'CONFIG_TCG'
716 config_host += { 'CONFIG_TCG': 'y' }
719 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
720 error('KVM not available on this platform')
722 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
723 error('HVF not available on this platform')
725 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
726 error('NVMM not available on this platform')
728 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
729 error('WHPX not available on this platform')
736 # When bumping glib minimum version, please check also whether to increase
737 # the _WIN32_WINNT setting in osdep.h according to the value from glib
738 glib_req_ver = '>=2.56.0'
739 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
740 method: 'pkg-config')
743 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
744 method: 'pkg-config')
745 elif config_host.has_key('CONFIG_PLUGIN')
746 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
747 method: 'pkg-config')
752 # This workaround is required due to a bug in pkg-config file for glib as it
753 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
754 if targetos == 'windows' and get_option('prefer_static')
755 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
758 # Sanity check that the current size_t matches the
759 # size that glib thinks it should be. This catches
760 # problems on multi-arch where people try to build
761 # 32-bit QEMU while pointing at 64-bit glib headers
763 if not cc.compiles('''
767 #define QEMU_BUILD_BUG_ON(x) \
768 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
771 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
773 }''', dependencies: glib_pc, args: glib_cflags)
774 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
775 You probably need to set PKG_CONFIG_LIBDIR" to point
776 to the right pkg-config files for your build target.''')
779 # Silence clang warnings triggered by glib < 2.57.2
780 if not cc.compiles('''
785 static void foo_free(Foo *f)
789 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
790 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
791 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
793 glib = declare_dependency(dependencies: [glib_pc, gmodule],
794 compile_args: glib_cflags,
795 version: glib_pc.version())
797 # Check whether glib has gslice, which we have to avoid for correctness.
798 # TODO: remove this check and the corresponding workaround (qtree) when
799 # the minimum supported glib is >= 2.75.3
800 glib_has_gslice = glib.version().version_compare('<2.75.3')
802 # override glib dep to include the above refinements
803 meson.override_dependency('glib-2.0', glib)
805 # The path to glib.h is added to all compilation commands.
806 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
807 native: false, language: all_languages)
810 gdbus_codegen = not_found
811 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
812 if not get_option('gio').auto() or have_system
813 gio = dependency('gio-2.0', required: get_option('gio'),
814 method: 'pkg-config')
815 if gio.found() and not cc.links('''
819 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
821 }''', dependencies: [glib, gio])
822 if get_option('gio').enabled()
823 error('The installed libgio is broken for static linking')
828 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
829 required: get_option('gio'))
830 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
831 method: 'pkg-config')
832 gio = declare_dependency(dependencies: [gio, gio_unix],
833 version: gio.version())
836 if gdbus_codegen.found() and get_option('cfi')
837 gdbus_codegen = not_found
838 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
841 xml_pp = find_program('scripts/xml-preprocess.py')
844 if 'ust' in get_option('trace_backends')
845 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
846 method: 'pkg-config')
849 if have_system or have_tools
850 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
851 method: 'pkg-config')
853 zlib = dependency('zlib', required: true)
856 if not get_option('linux_aio').auto() or have_block
857 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
858 required: get_option('linux_aio'))
861 linux_io_uring_test = '''
862 #include <liburing.h>
863 #include <linux/errqueue.h>
865 int main(void) { return 0; }'''
867 linux_io_uring = not_found
868 if not get_option('linux_io_uring').auto() or have_block
869 linux_io_uring = dependency('liburing', version: '>=0.3',
870 required: get_option('linux_io_uring'),
871 method: 'pkg-config')
872 if not cc.links(linux_io_uring_test)
873 linux_io_uring = not_found
878 if not get_option('libnfs').auto() or have_block
879 libnfs = dependency('libnfs', version: '>=1.9.3',
880 required: get_option('libnfs'),
881 method: 'pkg-config')
886 #include <sys/types.h>
887 #ifdef CONFIG_LIBATTR
888 #include <attr/xattr.h>
890 #include <sys/xattr.h>
892 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
895 have_old_libattr = false
896 if get_option('attr').allowed()
897 if cc.links(libattr_test)
898 libattr = declare_dependency()
900 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
901 required: get_option('attr'))
902 if libattr.found() and not \
903 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
905 if get_option('attr').enabled()
906 error('could not link libattr')
908 warning('could not link libattr, disabling')
911 have_old_libattr = libattr.found()
916 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
917 required: get_option('cocoa'))
919 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
920 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
921 'VMNET_BRIDGED_MODE',
924 if get_option('vmnet').enabled()
925 error('vmnet.framework API is outdated')
927 warning('vmnet.framework API is outdated, disabling')
932 seccomp_has_sysrawrc = false
933 if not get_option('seccomp').auto() or have_system or have_tools
934 seccomp = dependency('libseccomp', version: '>=2.3.0',
935 required: get_option('seccomp'),
936 method: 'pkg-config')
938 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
939 'SCMP_FLTATR_API_SYSRAWRC',
940 dependencies: seccomp)
944 libcap_ng = not_found
945 if not get_option('cap_ng').auto() or have_system or have_tools
946 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
947 required: get_option('cap_ng'))
949 if libcap_ng.found() and not cc.links('''
953 capng_capability_to_name(CAPNG_EFFECTIVE);
955 }''', dependencies: libcap_ng)
956 libcap_ng = not_found
957 if get_option('cap_ng').enabled()
958 error('could not link libcap-ng')
960 warning('could not link libcap-ng, disabling')
964 if get_option('xkbcommon').auto() and not have_system and not have_tools
965 xkbcommon = not_found
967 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
968 method: 'pkg-config')
972 if not get_option('slirp').auto() or have_system
973 slirp = dependency('slirp', required: get_option('slirp'),
974 method: 'pkg-config')
975 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
976 # it passes function pointers within libslirp as callbacks for timers.
977 # When using a system-wide shared libslirp, the type information for the
978 # callback is missing and the timer call produces a false positive with CFI.
979 # Do not use the "version" keyword argument to produce a better error.
980 # with control-flow integrity.
981 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
982 if get_option('slirp').enabled()
983 error('Control-Flow Integrity requires libslirp 4.7.')
985 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
992 if not get_option('vde').auto() or have_system or have_tools
993 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
994 required: get_option('vde'))
996 if vde.found() and not cc.links('''
997 #include <libvdeplug.h>
1000 struct vde_open_args a = {0, 0, 0};
1004 }''', dependencies: vde)
1006 if get_option('cap_ng').enabled()
1007 error('could not link libvdeplug')
1009 warning('could not link libvdeplug, disabling')
1014 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1015 pulse = dependency('libpulse', required: get_option('pa'),
1016 method: 'pkg-config')
1019 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1020 alsa = dependency('alsa', required: get_option('alsa'),
1021 method: 'pkg-config')
1024 if not get_option('jack').auto() or have_system
1025 jack = dependency('jack', required: get_option('jack'),
1026 method: 'pkg-config')
1028 pipewire = not_found
1029 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1030 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1031 required: get_option('pipewire'),
1032 method: 'pkg-config')
1035 if not get_option('sndio').auto() or have_system
1036 sndio = dependency('sndio', required: get_option('sndio'),
1037 method: 'pkg-config')
1040 spice_protocol = not_found
1041 if not get_option('spice_protocol').auto() or have_system
1042 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1043 required: get_option('spice_protocol'),
1044 method: 'pkg-config')
1047 if not get_option('spice').auto() or have_system
1048 spice = dependency('spice-server', version: '>=0.14.0',
1049 required: get_option('spice'),
1050 method: 'pkg-config')
1052 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1054 rt = cc.find_library('rt', required: false)
1056 libiscsi = not_found
1057 if not get_option('libiscsi').auto() or have_block
1058 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1059 required: get_option('libiscsi'),
1060 method: 'pkg-config')
1063 if not get_option('zstd').auto() or have_block
1064 zstd = dependency('libzstd', version: '>=1.4.0',
1065 required: get_option('zstd'),
1066 method: 'pkg-config')
1070 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1071 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1072 virgl = dependency('virglrenderer',
1073 method: 'pkg-config',
1074 required: get_option('virglrenderer'))
1076 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1077 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1078 prefix: '#include <virglrenderer.h>',
1079 dependencies: virgl))
1083 if not get_option('blkio').auto() or have_block
1084 blkio = dependency('blkio',
1085 method: 'pkg-config',
1086 required: get_option('blkio'))
1089 if not get_option('curl').auto() or have_block
1090 curl = dependency('libcurl', version: '>=7.29.0',
1091 method: 'pkg-config',
1092 required: get_option('curl'))
1095 if targetos == 'linux' and (have_system or have_tools)
1096 libudev = dependency('libudev',
1097 method: 'pkg-config',
1098 required: get_option('libudev'))
1101 mpathlibs = [libudev]
1102 mpathpersist = not_found
1103 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1104 mpath_test_source = '''
1105 #include <libudev.h>
1106 #include <mpath_persist.h>
1107 unsigned mpath_mx_alloc_len = 1024;
1109 static struct config *multipath_conf;
1110 extern struct udev *udev;
1111 extern struct config *get_multipath_config(void);
1112 extern void put_multipath_config(struct config *conf);
1114 struct config *get_multipath_config(void) { return multipath_conf; }
1115 void put_multipath_config(struct config *conf) { }
1118 multipath_conf = mpath_lib_init();
1121 libmpathpersist = cc.find_library('mpathpersist',
1122 required: get_option('mpath'))
1123 if libmpathpersist.found()
1124 mpathlibs += libmpathpersist
1125 if get_option('prefer_static')
1126 mpathlibs += cc.find_library('devmapper',
1127 required: get_option('mpath'))
1129 mpathlibs += cc.find_library('multipath',
1130 required: get_option('mpath'))
1131 foreach lib: mpathlibs
1137 if mpathlibs.length() == 0
1138 msg = 'Dependencies missing for libmpathpersist'
1139 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1140 mpathpersist = declare_dependency(dependencies: mpathlibs)
1142 msg = 'Cannot detect libmpathpersist API'
1144 if not mpathpersist.found()
1145 if get_option('mpath').enabled()
1148 warning(msg + ', disabling')
1156 if have_system and get_option('curses').allowed()
1158 #if defined(__APPLE__) || defined(__OpenBSD__)
1159 #define _XOPEN_SOURCE_EXTENDED 1
1166 setlocale(LC_ALL, "");
1168 addwstr(L"wide chars\n");
1170 add_wch(WACS_DEGREE);
1174 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1175 curses = dependency(curses_dep_list,
1177 method: 'pkg-config')
1178 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1179 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1181 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1182 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1183 version: curses.version())
1185 msg = 'curses package not usable'
1189 if not curses.found()
1190 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1191 if targetos != 'windows' and not has_curses_h
1192 message('Trying with /usr/include/ncursesw')
1193 curses_compile_args += ['-I/usr/include/ncursesw']
1194 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1197 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1198 foreach curses_libname : curses_libname_list
1199 libcurses = cc.find_library(curses_libname,
1201 if libcurses.found()
1202 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1203 curses = declare_dependency(compile_args: curses_compile_args,
1204 dependencies: [libcurses])
1207 msg = 'curses library not usable'
1213 if get_option('iconv').allowed()
1214 foreach link_args : [ ['-liconv'], [] ]
1215 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1216 # We need to use libiconv if available because mixing libiconv's headers with
1217 # the system libc does not work.
1218 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1219 # included in the command line and libiconv will not be found.
1223 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1224 return conv != (iconv_t) -1;
1225 }''', args: link_args, dependencies: glib)
1226 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1231 if curses.found() and not iconv.found()
1232 if get_option('iconv').enabled()
1233 error('iconv not available')
1235 msg = 'iconv required for curses UI but not available'
1238 if not curses.found() and msg != ''
1239 if get_option('curses').enabled()
1242 warning(msg + ', disabling')
1248 if not get_option('brlapi').auto() or have_system
1249 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1250 required: get_option('brlapi'))
1251 if brlapi.found() and not cc.links('''
1254 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1256 if get_option('brlapi').enabled()
1257 error('could not link brlapi')
1259 warning('could not link brlapi, disabling')
1265 if not get_option('sdl').auto() or have_system
1266 sdl = dependency('sdl2', required: get_option('sdl'))
1267 sdl_image = not_found
1270 # Some versions of SDL have problems with -Wundef
1271 if not cc.compiles('''
1273 #include <SDL_syswm.h>
1274 int main(int argc, char *argv[]) { return 0; }
1275 ''', dependencies: sdl, args: '-Werror=undef')
1276 sdl = declare_dependency(compile_args: '-Wno-undef',
1278 version: sdl.version())
1280 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1281 method: 'pkg-config')
1283 if get_option('sdl_image').enabled()
1284 error('sdl-image required, but SDL was @0@'.format(
1285 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1287 sdl_image = not_found
1291 if not get_option('rbd').auto() or have_block
1292 librados = cc.find_library('rados', required: get_option('rbd'))
1293 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1294 required: get_option('rbd'))
1295 if librados.found() and librbd.found()
1298 #include <rbd/librbd.h>
1301 rados_create(&cluster, NULL);
1302 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1306 }''', dependencies: [librbd, librados])
1307 rbd = declare_dependency(dependencies: [librbd, librados])
1308 elif get_option('rbd').enabled()
1309 error('librbd >= 1.12.0 required')
1311 warning('librbd >= 1.12.0 not found, disabling')
1316 glusterfs = not_found
1317 glusterfs_ftruncate_has_stat = false
1318 glusterfs_iocb_has_stat = false
1319 if not get_option('glusterfs').auto() or have_block
1320 glusterfs = dependency('glusterfs-api', version: '>=3',
1321 required: get_option('glusterfs'),
1322 method: 'pkg-config')
1323 if glusterfs.found()
1324 glusterfs_ftruncate_has_stat = cc.links('''
1325 #include <glusterfs/api/glfs.h>
1330 /* new glfs_ftruncate() passes two additional args */
1331 return glfs_ftruncate(NULL, 0, NULL, NULL);
1333 ''', dependencies: glusterfs)
1334 glusterfs_iocb_has_stat = cc.links('''
1335 #include <glusterfs/api/glfs.h>
1337 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1339 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1345 glfs_io_cbk iocb = &glusterfs_iocb;
1346 iocb(NULL, 0 , NULL, NULL, NULL);
1349 ''', dependencies: glusterfs)
1354 if not get_option('libssh').auto() or have_block
1355 libssh = dependency('libssh', version: '>=0.8.7',
1356 method: 'pkg-config',
1357 required: get_option('libssh'))
1360 libbzip2 = not_found
1361 if not get_option('bzip2').auto() or have_block
1362 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1363 required: get_option('bzip2'))
1364 if libbzip2.found() and not cc.links('''
1366 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1367 libbzip2 = not_found
1368 if get_option('bzip2').enabled()
1369 error('could not link libbzip2')
1371 warning('could not link libbzip2, disabling')
1376 liblzfse = not_found
1377 if not get_option('lzfse').auto() or have_block
1378 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1379 required: get_option('lzfse'))
1381 if liblzfse.found() and not cc.links('''
1383 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1384 liblzfse = not_found
1385 if get_option('lzfse').enabled()
1386 error('could not link liblzfse')
1388 warning('could not link liblzfse, disabling')
1393 if get_option('oss').allowed() and have_system
1394 if not cc.has_header('sys/soundcard.h')
1396 elif targetos == 'netbsd'
1397 oss = cc.find_library('ossaudio', required: get_option('oss'))
1399 oss = declare_dependency()
1403 if get_option('oss').enabled()
1404 error('OSS not found')
1409 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1410 if cc.has_header('dsound.h')
1411 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1414 if not dsound.found()
1415 if get_option('dsound').enabled()
1416 error('DirectSound not found')
1421 coreaudio = not_found
1422 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1423 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1424 required: get_option('coreaudio'))
1428 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1429 epoxy = dependency('epoxy', method: 'pkg-config',
1430 required: get_option('opengl'))
1431 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1433 elif get_option('opengl').enabled()
1434 error('epoxy/egl.h not found')
1438 if (have_system or have_tools) and (virgl.found() or opengl.found())
1439 gbm = dependency('gbm', method: 'pkg-config', required: false)
1441 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1444 gnutls_crypto = not_found
1445 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1446 # For general TLS support our min gnutls matches
1447 # that implied by our platform support matrix
1449 # For the crypto backends, we look for a newer
1452 # Version 3.6.8 is needed to get XTS
1453 # Version 3.6.13 is needed to get PBKDF
1454 # Version 3.6.14 is needed to get HW accelerated XTS
1456 # If newer enough gnutls isn't available, we can
1457 # still use a different crypto backend to satisfy
1458 # the platform support requirements
1459 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1460 method: 'pkg-config',
1462 if gnutls_crypto.found()
1463 gnutls = gnutls_crypto
1465 # Our min version if all we need is TLS
1466 gnutls = dependency('gnutls', version: '>=3.5.18',
1467 method: 'pkg-config',
1468 required: get_option('gnutls'))
1472 # We prefer use of gnutls for crypto, unless the options
1473 # explicitly asked for nettle or gcrypt.
1475 # If gnutls isn't available for crypto, then we'll prefer
1476 # gcrypt over nettle for performance reasons.
1482 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1483 error('Only one of gcrypt & nettle can be enabled')
1486 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1487 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1488 gnutls_crypto = not_found
1491 if not gnutls_crypto.found()
1492 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1493 gcrypt = dependency('libgcrypt', version: '>=1.8',
1494 method: 'config-tool',
1495 required: get_option('gcrypt'))
1496 # Debian has removed -lgpg-error from libgcrypt-config
1497 # as it "spreads unnecessary dependencies" which in
1498 # turn breaks static builds...
1499 if gcrypt.found() and get_option('prefer_static')
1500 gcrypt = declare_dependency(dependencies:
1502 cc.find_library('gpg-error', required: true)],
1503 version: gcrypt.version())
1506 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1507 nettle = dependency('nettle', version: '>=3.4',
1508 method: 'pkg-config',
1509 required: get_option('nettle'))
1510 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1516 gmp = dependency('gmp', required: false, method: 'pkg-config')
1517 if nettle.found() and gmp.found()
1518 hogweed = dependency('hogweed', version: '>=3.4',
1519 method: 'pkg-config',
1520 required: get_option('nettle'))
1527 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1529 if not get_option('gtk').auto() or have_system
1530 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1531 method: 'pkg-config',
1532 required: get_option('gtk'))
1534 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1535 method: 'pkg-config',
1537 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1538 version: gtk.version())
1540 if not get_option('vte').auto() or have_system
1541 vte = dependency('vte-2.91',
1542 method: 'pkg-config',
1543 required: get_option('vte'))
1545 elif have_gtk_clipboard
1546 error('GTK clipboard requested, but GTK not found')
1552 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1555 if get_option('png').allowed() and have_system
1556 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1557 method: 'pkg-config')
1562 if get_option('vnc').allowed() and have_system
1563 vnc = declare_dependency() # dummy dependency
1564 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1565 method: 'pkg-config')
1566 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1567 required: get_option('vnc_sasl'))
1569 sasl = declare_dependency(dependencies: sasl,
1570 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1575 if not get_option('auth_pam').auto() or have_system
1576 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1577 required: get_option('auth_pam'))
1579 if pam.found() and not cc.links('''
1581 #include <security/pam_appl.h>
1583 const char *service_name = "qemu";
1584 const char *user = "frank";
1585 const struct pam_conv pam_conv = { 0 };
1586 pam_handle_t *pamh = NULL;
1587 pam_start(service_name, user, &pam_conv, &pamh);
1589 }''', dependencies: pam)
1591 if get_option('auth_pam').enabled()
1592 error('could not link libpam')
1594 warning('could not link libpam, disabling')
1599 if not get_option('snappy').auto() or have_system
1600 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1601 required: get_option('snappy'))
1603 if snappy.found() and not linker.links('''
1604 #include <snappy-c.h>
1605 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1607 if get_option('snappy').enabled()
1608 error('could not link libsnappy')
1610 warning('could not link libsnappy, disabling')
1615 if not get_option('lzo').auto() or have_system
1616 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1617 required: get_option('lzo'))
1619 if lzo.found() and not cc.links('''
1620 #include <lzo/lzo1x.h>
1621 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1623 if get_option('lzo').enabled()
1624 error('could not link liblzo2')
1626 warning('could not link liblzo2, disabling')
1631 if not get_option('numa').auto() or have_system or have_tools
1632 numa = cc.find_library('numa', has_headers: ['numa.h'],
1633 required: get_option('numa'))
1635 if numa.found() and not cc.links('''
1637 int main(void) { return numa_available(); }
1638 ''', dependencies: numa)
1640 if get_option('numa').enabled()
1641 error('could not link numa')
1643 warning('could not link numa, disabling')
1648 if not get_option('rdma').auto() or have_system
1649 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1650 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1651 required: get_option('rdma')),
1652 cc.find_library('ibverbs', required: get_option('rdma')),
1654 rdma = declare_dependency(dependencies: rdma_libs)
1655 foreach lib: rdma_libs
1663 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1664 xencontrol = dependency('xencontrol', required: false,
1665 method: 'pkg-config')
1666 if xencontrol.found()
1667 xen_pc = declare_dependency(version: xencontrol.version(),
1670 # disabler: true makes xen_pc.found() return false if any is not found
1671 dependency('xenstore', required: false,
1672 method: 'pkg-config',
1674 dependency('xenforeignmemory', required: false,
1675 method: 'pkg-config',
1677 dependency('xengnttab', required: false,
1678 method: 'pkg-config',
1680 dependency('xenevtchn', required: false,
1681 method: 'pkg-config',
1683 dependency('xendevicemodel', required: false,
1684 method: 'pkg-config',
1686 # optional, no "disabler: true"
1687 dependency('xentoolcore', required: false,
1688 method: 'pkg-config')])
1694 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1696 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1697 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1698 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1699 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1700 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1703 foreach ver: xen_tests
1704 # cache the various library tests to avoid polluting the logs
1706 foreach l: xen_libs[ver]
1707 if l not in xen_deps
1708 xen_deps += { l: cc.find_library(l, required: false) }
1710 xen_test_deps += xen_deps[l]
1713 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1714 xen_version = ver.split('.')
1715 xen_ctrl_version = xen_version[0] + \
1716 ('0' + xen_version[1]).substring(-2) + \
1717 ('0' + xen_version[2]).substring(-2)
1718 if cc.links(files('scripts/xen-detect.c'),
1719 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1720 dependencies: xen_test_deps)
1721 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1727 accelerators += 'CONFIG_XEN'
1728 elif get_option('xen').enabled()
1729 error('could not compile and link Xen test program')
1732 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1733 .require(xen.found(),
1734 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1735 .require(targetos == 'linux',
1736 error_message: 'Xen PCI passthrough not available on this platform') \
1737 .require(cpu == 'x86' or cpu == 'x86_64',
1738 error_message: 'Xen PCI passthrough not available on this platform') \
1743 if not get_option('smartcard').auto() or have_system
1744 cacard = dependency('libcacard', required: get_option('smartcard'),
1745 version: '>=2.5.1', method: 'pkg-config')
1749 u2f = dependency('u2f-emu', required: get_option('u2f'),
1750 method: 'pkg-config')
1754 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1755 method: 'pkg-config')
1757 usbredir = not_found
1758 if not get_option('usb_redir').auto() or have_system
1759 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1760 version: '>=0.6', method: 'pkg-config')
1763 if not get_option('libusb').auto() or have_system
1764 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1765 version: '>=1.0.13', method: 'pkg-config')
1769 if not get_option('libpmem').auto() or have_system
1770 libpmem = dependency('libpmem', required: get_option('libpmem'),
1771 method: 'pkg-config')
1773 libdaxctl = not_found
1774 if not get_option('libdaxctl').auto() or have_system
1775 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1776 version: '>=57', method: 'pkg-config')
1780 tasn1 = dependency('libtasn1',
1781 method: 'pkg-config')
1783 keyutils = not_found
1784 if get_option('keyring').enabled()
1785 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1788 has_gettid = cc.has_function('gettid')
1791 selinux = dependency('libselinux',
1792 required: get_option('selinux'),
1793 method: 'pkg-config')
1798 if get_option('malloc') == 'system'
1800 get_option('malloc_trim').allowed() and \
1801 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1803 has_malloc_trim = false
1804 malloc = cc.find_library(get_option('malloc'), required: true)
1806 if not has_malloc_trim and get_option('malloc_trim').enabled()
1807 if get_option('malloc') == 'system'
1808 error('malloc_trim not available on this platform.')
1810 error('malloc_trim not available with non-libc memory allocator')
1814 gnu_source_prefix = '''
1820 # Check whether the glibc provides STATX_BASIC_STATS
1822 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1824 # Check whether statx() provides mount ID information
1826 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1828 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1829 .require(targetos == 'linux',
1830 error_message: 'vhost_user_blk_server requires linux') \
1831 .require(have_vhost_user,
1832 error_message: 'vhost_user_blk_server requires vhost-user support') \
1833 .disable_auto_if(not have_tools and not have_system) \
1836 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1837 error('Cannot enable fuse-lseek while fuse is disabled')
1840 fuse = dependency('fuse3', required: get_option('fuse'),
1841 version: '>=3.1', method: 'pkg-config')
1843 fuse_lseek = not_found
1844 if get_option('fuse_lseek').allowed()
1845 if fuse.version().version_compare('>=3.8')
1847 fuse_lseek = declare_dependency()
1848 elif get_option('fuse_lseek').enabled()
1850 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1852 error('fuse-lseek requires libfuse, which was not found')
1857 have_libvduse = (targetos == 'linux')
1858 if get_option('libvduse').enabled()
1859 if targetos != 'linux'
1860 error('libvduse requires linux')
1862 elif get_option('libvduse').disabled()
1863 have_libvduse = false
1866 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1867 if get_option('vduse_blk_export').enabled()
1868 if targetos != 'linux'
1869 error('vduse_blk_export requires linux')
1870 elif not have_libvduse
1871 error('vduse_blk_export requires libvduse support')
1873 elif get_option('vduse_blk_export').disabled()
1874 have_vduse_blk_export = false
1878 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1879 if libbpf.found() and not cc.links('''
1880 #include <bpf/libbpf.h>
1883 bpf_object__destroy_skeleton(NULL);
1885 }''', dependencies: libbpf)
1887 if get_option('bpf').enabled()
1888 error('libbpf skeleton test failed')
1890 warning('libbpf skeleton test failed, disabling')
1896 if not get_option('libdw').auto() or \
1897 (not get_option('prefer_static') and (have_system or have_user))
1898 libdw = dependency('libdw',
1899 method: 'pkg-config',
1900 required: get_option('libdw'))
1907 audio_drivers_selected = []
1909 audio_drivers_available = {
1910 'alsa': alsa.found(),
1911 'coreaudio': coreaudio.found(),
1912 'dsound': dsound.found(),
1913 'jack': jack.found(),
1915 'pa': pulse.found(),
1916 'pipewire': pipewire.found(),
1918 'sndio': sndio.found(),
1920 foreach k, v: audio_drivers_available
1921 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1924 # Default to native drivers first, OSS second, SDL third
1925 audio_drivers_priority = \
1926 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1927 (targetos == 'linux' ? [] : [ 'sdl' ])
1928 audio_drivers_default = []
1929 foreach k: audio_drivers_priority
1930 if audio_drivers_available[k]
1931 audio_drivers_default += k
1935 foreach k: get_option('audio_drv_list')
1937 audio_drivers_selected += audio_drivers_default
1938 elif not audio_drivers_available[k]
1939 error('Audio driver "@0@" not available.'.format(k))
1941 audio_drivers_selected += k
1945 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1946 '"' + '", "'.join(audio_drivers_selected) + '", ')
1948 if get_option('cfi')
1950 # Check for dependency on LTO
1951 if not get_option('b_lto')
1952 error('Selected Control-Flow Integrity but LTO is disabled')
1955 error('Selected Control-Flow Integrity is not compatible with modules')
1957 # Check for cfi flags. CFI requires LTO so we can't use
1958 # get_supported_arguments, but need a more complex "compiles" which allows
1960 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1961 args: ['-flto', '-fsanitize=cfi-icall'] )
1962 cfi_flags += '-fsanitize=cfi-icall'
1964 error('-fsanitize=cfi-icall is not supported by the compiler')
1966 if cc.compiles('int main () { return 0; }',
1967 name: '-fsanitize-cfi-icall-generalize-pointers',
1968 args: ['-flto', '-fsanitize=cfi-icall',
1969 '-fsanitize-cfi-icall-generalize-pointers'] )
1970 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1972 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1974 if get_option('cfi_debug')
1975 if cc.compiles('int main () { return 0; }',
1976 name: '-fno-sanitize-trap=cfi-icall',
1977 args: ['-flto', '-fsanitize=cfi-icall',
1978 '-fno-sanitize-trap=cfi-icall'] )
1979 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1981 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1984 add_global_arguments(cfi_flags, native: false, language: all_languages)
1985 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1988 have_host_block_device = (targetos != 'darwin' or
1989 cc.has_header('IOKit/storage/IOMedia.h'))
1991 dbus_display = get_option('dbus_display') \
1992 .require(gio.version().version_compare('>=2.64'),
1993 error_message: '-display dbus requires glib>=2.64') \
1994 .require(gdbus_codegen.found(),
1995 error_message: gdbus_codegen_error.format('-display dbus')) \
1998 have_virtfs = get_option('virtfs') \
1999 .require(targetos == 'linux' or targetos == 'darwin',
2000 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2001 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
2002 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2003 .require(targetos == 'darwin' or libattr.found(),
2004 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2005 .disable_auto_if(not have_tools and not have_system) \
2008 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2009 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2010 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2011 .disable_auto_if(not have_tools) \
2012 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2015 if get_option('block_drv_ro_whitelist') == ''
2016 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2018 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2019 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2021 if get_option('block_drv_rw_whitelist') == ''
2022 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2024 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2025 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2028 foreach k : get_option('trace_backends')
2029 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2031 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2032 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2034 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2036 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2037 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2038 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2039 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2040 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2042 qemu_firmwarepath = ''
2043 foreach k : get_option('qemu_firmwarepath')
2044 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2046 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2048 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2049 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2050 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2051 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2052 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2053 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2056 config_host_data.set('CONFIG_STAMP', run_command(
2057 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2058 meson.project_version(), get_option('pkgversion'), '--',
2059 meson.current_source_dir() / 'configure',
2060 capture: true, check: true).stdout().strip())
2063 have_slirp_smbd = get_option('slirp_smbd') \
2064 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2067 smbd_path = get_option('smbd')
2069 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2071 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2074 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2076 if get_option('module_upgrades') and not enable_modules
2077 error('Cannot enable module-upgrades as modules are not enabled')
2079 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2081 config_host_data.set('CONFIG_ATTR', libattr.found())
2082 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2083 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2084 config_host_data.set('CONFIG_COCOA', cocoa.found())
2085 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2086 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2087 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2088 config_host_data.set('CONFIG_LZO', lzo.found())
2089 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2090 config_host_data.set('CONFIG_BLKIO', blkio.found())
2092 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2093 blkio.version().version_compare('>=1.3.0'))
2095 config_host_data.set('CONFIG_CURL', curl.found())
2096 config_host_data.set('CONFIG_CURSES', curses.found())
2097 config_host_data.set('CONFIG_GBM', gbm.found())
2098 config_host_data.set('CONFIG_GIO', gio.found())
2099 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2100 if glusterfs.found()
2101 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2102 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2103 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2104 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2105 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2106 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2108 config_host_data.set('CONFIG_GTK', gtk.found())
2109 config_host_data.set('CONFIG_VTE', vte.found())
2110 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2111 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2112 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2113 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2114 config_host_data.set('CONFIG_EBPF', libbpf.found())
2115 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2116 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2117 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2118 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2119 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2120 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2121 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2122 config_host_data.set('CONFIG_MODULES', enable_modules)
2123 config_host_data.set('CONFIG_NUMA', numa.found())
2125 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2126 cc.has_function('numa_has_preferred_many',
2127 dependencies: numa))
2129 config_host_data.set('CONFIG_OPENGL', opengl.found())
2130 config_host_data.set('CONFIG_RBD', rbd.found())
2131 config_host_data.set('CONFIG_RDMA', rdma.found())
2132 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2133 config_host_data.set('CONFIG_SDL', sdl.found())
2134 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2135 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2137 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2139 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2140 config_host_data.set('CONFIG_TPM', have_tpm)
2141 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2142 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2143 config_host_data.set('CONFIG_VDE', vde.found())
2144 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2145 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2146 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2147 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2148 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2149 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2150 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2151 config_host_data.set('CONFIG_VMNET', vmnet.found())
2152 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2153 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2154 config_host_data.set('CONFIG_PNG', png.found())
2155 config_host_data.set('CONFIG_VNC', vnc.found())
2156 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2157 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2158 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2159 config_host_data.set('CONFIG_VTE', vte.found())
2160 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2161 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2162 config_host_data.set('CONFIG_GETTID', has_gettid)
2163 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2164 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2165 config_host_data.set('CONFIG_TASN1', tasn1.found())
2166 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2167 config_host_data.set('CONFIG_NETTLE', nettle.found())
2168 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2169 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2170 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2171 config_host_data.set('CONFIG_STATX', has_statx)
2172 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2173 config_host_data.set('CONFIG_ZSTD', zstd.found())
2174 config_host_data.set('CONFIG_FUSE', fuse.found())
2175 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2176 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2177 if spice_protocol.found()
2178 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2179 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2180 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2182 config_host_data.set('CONFIG_SPICE', spice.found())
2183 config_host_data.set('CONFIG_X11', x11.found())
2184 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2185 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2186 config_host_data.set('CONFIG_SELINUX', selinux.found())
2187 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2188 config_host_data.set('CONFIG_LIBDW', libdw.found())
2190 # protect from xen.version() having less than three components
2191 xen_version = xen.version().split('.') + ['0', '0']
2192 xen_ctrl_version = xen_version[0] + \
2193 ('0' + xen_version[1]).substring(-2) + \
2194 ('0' + xen_version[2]).substring(-2)
2195 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2197 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2198 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2199 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2200 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2202 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2203 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2205 have_coroutine_pool = get_option('coroutine_pool')
2206 if get_option('debug_stack_usage') and have_coroutine_pool
2207 message('Disabling coroutine pool to measure stack usage')
2208 have_coroutine_pool = false
2210 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2211 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2212 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2213 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2214 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2215 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2216 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2217 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2220 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2221 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2222 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2223 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2224 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2225 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2226 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2227 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2228 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2229 if targetos == 'windows'
2230 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2234 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2235 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2236 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2237 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2238 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2239 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2240 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2241 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2242 # Note that we need to specify prefix: here to avoid incorrectly
2243 # thinking that Windows has posix_memalign()
2244 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2245 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2246 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2247 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2248 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2249 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2250 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2251 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2252 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2253 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2254 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2255 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2256 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2257 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2258 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2259 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2260 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2261 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2263 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2264 cc.has_function('rbd_namespace_exists',
2266 prefix: '#include <rbd/librbd.h>'))
2269 config_host_data.set('HAVE_IBV_ADVISE_MR',
2270 cc.has_function('ibv_advise_mr',
2272 prefix: '#include <infiniband/verbs.h>'))
2275 have_asan_fiber = false
2276 if get_option('sanitizers') and \
2277 not cc.has_function('__sanitizer_start_switch_fiber',
2278 args: '-fsanitize=address',
2279 prefix: '#include <sanitizer/asan_interface.h>')
2280 warning('Missing ASAN due to missing fiber annotation interface')
2281 warning('Without code annotation, the report may be inferior.')
2283 have_asan_fiber = true
2285 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2288 config_host_data.set('CONFIG_BLKZONED',
2289 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2290 config_host_data.set('CONFIG_EPOLL_CREATE1',
2291 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2292 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2293 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2294 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2295 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2296 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2297 config_host_data.set('CONFIG_FIEMAP',
2298 cc.has_header('linux/fiemap.h') and
2299 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2300 config_host_data.set('CONFIG_GETRANDOM',
2301 cc.has_function('getrandom') and
2302 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2303 config_host_data.set('CONFIG_INOTIFY',
2304 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2305 config_host_data.set('CONFIG_INOTIFY1',
2306 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2307 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2308 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2309 config_host_data.set('CONFIG_RTNETLINK',
2310 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2311 config_host_data.set('CONFIG_SYSMACROS',
2312 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2313 config_host_data.set('HAVE_OPTRESET',
2314 cc.has_header_symbol('getopt.h', 'optreset'))
2315 config_host_data.set('HAVE_IPPROTO_MPTCP',
2316 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2319 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2320 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2321 prefix: '#include <signal.h>'))
2322 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2323 cc.has_member('struct stat', 'st_atim',
2324 prefix: '#include <sys/stat.h>'))
2325 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2326 cc.has_member('struct blk_zone', 'capacity',
2327 prefix: '#include <linux/blkzoned.h>'))
2330 config_host_data.set('CONFIG_IOVEC',
2331 cc.has_type('struct iovec',
2332 prefix: '#include <sys/uio.h>'))
2333 config_host_data.set('HAVE_UTMPX',
2334 cc.has_type('struct utmpx',
2335 prefix: '#include <utmpx.h>'))
2337 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2338 #include <sys/eventfd.h>
2339 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2340 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2343 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2344 return fdatasync(0);
2346 #error Not supported
2350 has_madvise = cc.links(gnu_source_prefix + '''
2351 #include <sys/types.h>
2352 #include <sys/mman.h>
2354 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2355 missing_madvise_proto = false
2357 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2358 # but forget to prototype it. In this case, has_madvise will be true (the
2359 # test program links despite a compile warning). To detect the
2360 # missing-prototype case, we try again with a definitely-bogus prototype.
2361 # This will only compile if the system headers don't provide the prototype;
2362 # otherwise the conflicting prototypes will cause a compiler error.
2363 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2364 #include <sys/types.h>
2365 #include <sys/mman.h>
2367 extern int madvise(int);
2368 int main(void) { return madvise(0); }''')
2370 config_host_data.set('CONFIG_MADVISE', has_madvise)
2371 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2373 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2374 #include <sys/mman.h>
2375 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2376 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2378 #if !defined(AT_EMPTY_PATH)
2379 # error missing definition
2381 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2383 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2384 #include <sys/mman.h>
2386 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2388 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2389 #include <pthread.h>
2391 static void *f(void *p) { return NULL; }
2395 pthread_create(&thread, 0, f, 0);
2396 pthread_setname_np(thread, "QEMU");
2398 }''', dependencies: threads))
2399 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2400 #include <pthread.h>
2402 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2406 pthread_create(&thread, 0, f, 0);
2408 }''', dependencies: threads))
2409 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2410 #include <pthread.h>
2411 #include <pthread_np.h>
2413 static void *f(void *p) { return NULL; }
2417 pthread_create(&thread, 0, f, 0);
2418 pthread_set_name_np(thread, "QEMU");
2420 }''', dependencies: threads))
2421 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2422 #include <pthread.h>
2427 pthread_condattr_t attr
2428 pthread_condattr_init(&attr);
2429 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2431 }''', dependencies: threads))
2432 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2433 #include <pthread.h>
2435 static void *f(void *p) { return NULL; }
2438 int setsize = CPU_ALLOC_SIZE(64);
2441 pthread_create(&thread, 0, f, 0);
2442 cpuset = CPU_ALLOC(64);
2443 CPU_ZERO_S(setsize, cpuset);
2444 pthread_setaffinity_np(thread, setsize, cpuset);
2445 pthread_getaffinity_np(thread, setsize, cpuset);
2448 }''', dependencies: threads))
2449 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2450 #include <sys/signalfd.h>
2452 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2453 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2461 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2462 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2466 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2467 #include <sys/mman.h>
2469 return mlockall(MCL_FUTURE);
2473 if get_option('l2tpv3').allowed() and have_system
2474 have_l2tpv3 = cc.has_type('struct mmsghdr',
2475 prefix: gnu_source_prefix + '''
2476 #include <sys/socket.h>
2477 #include <linux/ip.h>''')
2479 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2482 if get_option('netmap').allowed() and have_system
2483 have_netmap = cc.compiles('''
2484 #include <inttypes.h>
2486 #include <net/netmap.h>
2487 #include <net/netmap_user.h>
2488 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2491 int main(void) { return 0; }''')
2492 if not have_netmap and get_option('netmap').enabled()
2493 error('Netmap headers not available')
2496 config_host_data.set('CONFIG_NETMAP', have_netmap)
2498 # Work around a system header bug with some kernel/XFS header
2499 # versions where they both try to define 'struct fsxattr':
2500 # xfs headers will not try to redefine structs from linux headers
2501 # if this macro is set.
2502 config_host_data.set('HAVE_FSXATTR', cc.links('''
2503 #include <linux/fs.h>
2509 # Some versions of Mac OS X incorrectly define SIZE_MAX
2510 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2514 return printf("%zu", SIZE_MAX);
2515 }''', args: ['-Werror']))
2517 # See if 64-bit atomic operations are supported.
2518 # Note that without __atomic builtins, we can only
2519 # assume atomic loads/stores max at pointer size.
2520 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2524 uint64_t x = 0, y = 0;
2525 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2526 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2527 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2528 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2529 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2533 has_int128_type = cc.compiles('''
2536 int main(void) { b = a; }''')
2537 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2539 has_int128 = has_int128_type and cc.links('''
2548 config_host_data.set('CONFIG_INT128', has_int128)
2551 # "do we have 128-bit atomics which are handled inline and specifically not
2552 # via libatomic". The reason we can't use libatomic is documented in the
2553 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2554 # We only care about these operations on 16-byte aligned pointers, so
2555 # force 16-byte alignment of the pointer, which may be greater than
2556 # __alignof(unsigned __int128) for the host.
2557 atomic_test_128 = '''
2558 int main(int ac, char **av) {
2559 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2560 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2561 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2562 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2565 has_atomic128 = cc.links(atomic_test_128)
2567 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2569 if not has_atomic128
2570 # Even with __builtin_assume_aligned, the above test may have failed
2571 # without optimization enabled. Try again with optimizations locally
2572 # enabled for the function. See
2573 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2574 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2575 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2577 if not has_atomic128_opt
2578 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2581 __uint128_t x = 0, y = 0;
2582 __sync_val_compare_and_swap_16(&x, y, x);
2590 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2591 #include <sys/auxv.h>
2593 return getauxval(AT_HWCAP) == 0;
2596 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2597 #include <linux/usbdevice_fs.h>
2599 #ifndef USBDEVFS_GET_CAPABILITIES
2600 #error "USBDEVFS_GET_CAPABILITIES undefined"
2603 #ifndef USBDEVFS_DISCONNECT_CLAIM
2604 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2607 int main(void) { return 0; }'''))
2609 have_keyring = get_option('keyring') \
2610 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2611 .require(cc.compiles('''
2613 #include <asm/unistd.h>
2614 #include <linux/keyctl.h>
2615 #include <sys/syscall.h>
2618 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2619 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2620 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2622 have_cpuid_h = cc.links('''
2625 unsigned a, b, c, d;
2626 unsigned max = __get_cpuid_max(0, 0);
2629 __cpuid(1, a, b, c, d);
2633 __cpuid_count(7, 0, a, b, c, d);
2638 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2640 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2641 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2642 .require(cc.links('''
2644 #include <immintrin.h>
2645 static int __attribute__((target("avx2"))) bar(void *a) {
2646 __m256i x = *(__m256i *)a;
2647 return _mm256_testz_si256(x, x);
2649 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2650 '''), error_message: 'AVX2 not available').allowed())
2652 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2653 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2654 .require(cc.links('''
2656 #include <immintrin.h>
2657 static int __attribute__((target("avx512f"))) bar(void *a) {
2658 __m512i x = *(__m512i *)a;
2659 return _mm512_test_epi64_mask(x, x);
2661 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2662 '''), error_message: 'AVX512F not available').allowed())
2664 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2665 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2666 .require(cc.links('''
2668 #include <immintrin.h>
2669 static int __attribute__((target("avx512bw"))) bar(void *a) {
2671 __m512i res= _mm512_abs_epi8(*x);
2674 int main(int argc, char *argv[]) { return bar(argv[0]); }
2675 '''), error_message: 'AVX512BW not available').allowed())
2677 have_pvrdma = get_option('pvrdma') \
2678 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2679 .require(cc.compiles(gnu_source_prefix + '''
2680 #include <sys/mman.h>
2685 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2688 }'''), error_message: 'PVRDMA requires mremap').allowed()
2691 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2692 #include <infiniband/verbs.h>
2696 struct ibv_pd *pd = NULL;
2702 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2708 if get_option('membarrier').disabled()
2709 have_membarrier = false
2710 elif targetos == 'windows'
2711 have_membarrier = true
2712 elif targetos == 'linux'
2713 have_membarrier = cc.compiles('''
2714 #include <linux/membarrier.h>
2715 #include <sys/syscall.h>
2719 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2720 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2724 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2725 .require(have_membarrier, error_message: 'membarrier system call not available') \
2728 have_afalg = get_option('crypto_afalg') \
2729 .require(cc.compiles(gnu_source_prefix + '''
2731 #include <sys/types.h>
2732 #include <sys/socket.h>
2733 #include <linux/if_alg.h>
2736 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2739 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2740 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2742 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2743 'linux/vm_sockets.h', 'AF_VSOCK',
2744 prefix: '#include <sys/socket.h>',
2748 have_vss_sdk = false # old xp/2003 SDK
2749 if targetos == 'windows' and link_language == 'cpp'
2750 have_vss = cxx.compiles('''
2751 #define __MIDL_user_allocate_free_DEFINED__
2753 int main(void) { return VSS_CTX_BACKUP; }''')
2754 have_vss_sdk = cxx.has_header('vscoordint.h')
2756 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2758 foreach k, v: config_host
2759 if k.startswith('CONFIG_')
2760 config_host_data.set(k, v == 'y' ? 1 : v)
2764 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2765 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2766 if targetos == 'windows'
2767 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2773 }''', name: '_lock_file and _unlock_file'))
2776 if targetos == 'windows'
2777 mingw_has_setjmp_longjmp = cc.links('''
2781 * These functions are not available in setjmp header, but may be
2782 * available at link time, from libmingwex.a.
2784 extern int __mingw_setjmp(jmp_buf);
2785 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2787 __mingw_setjmp(env);
2788 __mingw_longjmp(env, 0);
2790 ''', name: 'mingw setjmp and longjmp')
2792 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2793 error('mingw must provide setjmp/longjmp for windows-arm64')
2797 ########################
2798 # Target configuration #
2799 ########################
2801 minikconf = find_program('scripts/minikconf.py')
2803 config_all_devices = {}
2804 config_all_disas = {}
2805 config_devices_mak_list = []
2806 config_devices_h = {}
2807 config_target_h = {}
2808 config_target_mak = {}
2811 'alpha' : ['CONFIG_ALPHA_DIS'],
2812 'avr' : ['CONFIG_AVR_DIS'],
2813 'cris' : ['CONFIG_CRIS_DIS'],
2814 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2815 'hppa' : ['CONFIG_HPPA_DIS'],
2816 'i386' : ['CONFIG_I386_DIS'],
2817 'x86_64' : ['CONFIG_I386_DIS'],
2818 'm68k' : ['CONFIG_M68K_DIS'],
2819 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2820 'mips' : ['CONFIG_MIPS_DIS'],
2821 'nios2' : ['CONFIG_NIOS2_DIS'],
2822 'or1k' : ['CONFIG_OPENRISC_DIS'],
2823 'ppc' : ['CONFIG_PPC_DIS'],
2824 'riscv' : ['CONFIG_RISCV_DIS'],
2825 'rx' : ['CONFIG_RX_DIS'],
2826 's390' : ['CONFIG_S390_DIS'],
2827 'sh4' : ['CONFIG_SH4_DIS'],
2828 'sparc' : ['CONFIG_SPARC_DIS'],
2829 'xtensa' : ['CONFIG_XTENSA_DIS'],
2830 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2833 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2835 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2836 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2837 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2838 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2839 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2840 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2841 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2842 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2843 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2844 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2845 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2846 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2847 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2848 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2850 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2852 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2853 actual_target_dirs = []
2855 foreach target : target_dirs
2856 config_target = { 'TARGET_NAME': target.split('-')[0] }
2857 if target.endswith('linux-user')
2858 if targetos != 'linux'
2862 error('Target @0@ is only available on a Linux host'.format(target))
2864 config_target += { 'CONFIG_LINUX_USER': 'y' }
2865 elif target.endswith('bsd-user')
2866 if 'CONFIG_BSD' not in config_host
2870 error('Target @0@ is only available on a BSD host'.format(target))
2872 config_target += { 'CONFIG_BSD_USER': 'y' }
2873 elif target.endswith('softmmu')
2874 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2875 config_target += { 'CONFIG_SOFTMMU': 'y' }
2877 if target.endswith('-user')
2879 'CONFIG_USER_ONLY': 'y',
2880 'CONFIG_QEMU_INTERP_PREFIX':
2881 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2886 foreach sym: accelerators
2887 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2888 config_target += { sym: 'y' }
2889 config_all += { sym: 'y' }
2890 if target in modular_tcg
2891 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2893 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2895 accel_kconfig += [ sym + '=y' ]
2898 if accel_kconfig.length() == 0
2902 error('No accelerator available for target @0@'.format(target))
2905 actual_target_dirs += target
2906 config_target += keyval.load('configs/targets' / target + '.mak')
2907 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2909 if 'TARGET_NEED_FDT' in config_target
2910 fdt_required += target
2914 if 'TARGET_BASE_ARCH' not in config_target
2915 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2917 if 'TARGET_ABI_DIR' not in config_target
2918 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2920 if 'TARGET_BIG_ENDIAN' not in config_target
2921 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2924 foreach k, v: disassemblers
2925 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2927 config_target += { sym: 'y' }
2928 config_all_disas += { sym: 'y' }
2933 config_target_data = configuration_data()
2934 foreach k, v: config_target
2935 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2937 elif ignored.contains(k)
2939 elif k == 'TARGET_BASE_ARCH'
2940 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2941 # not used to select files from sourcesets.
2942 config_target_data.set('TARGET_' + v.to_upper(), 1)
2943 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2944 config_target_data.set_quoted(k, v)
2946 config_target_data.set(k, 1)
2948 config_target_data.set(k, 0)
2950 config_target_data.set(k, v)
2953 config_target_data.set('QEMU_ARCH',
2954 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2955 config_target_h += {target: configure_file(output: target + '-config-target.h',
2956 configuration: config_target_data)}
2958 if target.endswith('-softmmu')
2959 config_input = meson.get_external_property(target, 'default')
2960 config_devices_mak = target + '-config-devices.mak'
2961 config_devices_mak = configure_file(
2962 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2963 output: config_devices_mak,
2964 depfile: config_devices_mak + '.d',
2966 command: [minikconf,
2967 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2968 config_devices_mak, '@DEPFILE@', '@INPUT@',
2969 host_kconfig, accel_kconfig,
2970 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2972 config_devices_data = configuration_data()
2973 config_devices = keyval.load(config_devices_mak)
2974 foreach k, v: config_devices
2975 config_devices_data.set(k, 1)
2977 config_devices_mak_list += config_devices_mak
2978 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2979 configuration: config_devices_data)}
2980 config_target += config_devices
2981 config_all_devices += config_devices
2983 config_target_mak += {target: config_target}
2985 target_dirs = actual_target_dirs
2987 # This configuration is used to build files that are shared by
2988 # multiple binaries, and then extracted out of the "common"
2989 # static_library target.
2991 # We do not use all_sources()/all_dependencies(), because it would
2992 # build literally all source files, including devices only used by
2993 # targets that are not built for this compilation. The CONFIG_ALL
2994 # pseudo symbol replaces it.
2996 config_all += config_all_devices
2997 config_all += config_host
2998 config_all += config_all_disas
3000 'CONFIG_XEN': xen.found(),
3001 'CONFIG_SYSTEM_ONLY': have_system,
3002 'CONFIG_USER_ONLY': have_user,
3006 target_configs_h = []
3007 foreach target: target_dirs
3008 target_configs_h += config_target_h[target]
3009 target_configs_h += config_devices_h.get(target, [])
3011 genh += custom_target('config-poison.h',
3012 input: [target_configs_h],
3013 output: 'config-poison.h',
3015 command: [find_program('scripts/make-config-poison.sh'),
3022 capstone = not_found
3023 if not get_option('capstone').auto() or have_system or have_user
3024 capstone = dependency('capstone', version: '>=3.0.5',
3025 method: 'pkg-config',
3026 required: get_option('capstone'))
3028 # Some versions of capstone have broken pkg-config file
3029 # that reports a wrong -I path, causing the #include to
3030 # fail later. If the system has such a broken version
3032 if capstone.found() and not cc.compiles('#include <capstone.h>',
3033 dependencies: [capstone])
3034 capstone = not_found
3035 if get_option('capstone').enabled()
3036 error('capstone requested, but it does not appear to work')
3041 libvfio_user_dep = not_found
3042 if have_system and vfio_user_server_allowed
3043 libvfio_user_proj = subproject('libvfio-user', required: true)
3044 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3048 fdt_opt = get_option('fdt')
3049 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3050 if fdt_opt == 'disabled'
3051 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3054 if fdt_opt in ['enabled', 'auto', 'system']
3055 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3056 if fdt.found() and cc.links('''
3058 #include <libfdt_env.h>
3059 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3062 elif fdt_opt == 'system'
3063 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3065 fdt_opt = 'internal'
3070 assert(fdt_opt == 'internal')
3071 libfdt_proj = subproject('dtc', required: true,
3072 default_options: ['tools=false', 'yaml=disabled',
3073 'python=disabled', 'default_library=static'])
3074 fdt = libfdt_proj.get_variable('libfdt_dep')
3077 fdt_opt = 'disabled'
3080 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3081 config_host_data.set('CONFIG_FDT', fdt.found())
3082 config_host_data.set('CONFIG_SLIRP', slirp.found())
3084 #####################
3085 # Generated sources #
3086 #####################
3088 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3090 hxtool = find_program('scripts/hxtool')
3091 shaderinclude = find_program('scripts/shaderinclude.py')
3092 qapi_gen = find_program('scripts/qapi-gen.py')
3093 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3094 meson.current_source_dir() / 'scripts/qapi/commands.py',
3095 meson.current_source_dir() / 'scripts/qapi/common.py',
3096 meson.current_source_dir() / 'scripts/qapi/error.py',
3097 meson.current_source_dir() / 'scripts/qapi/events.py',
3098 meson.current_source_dir() / 'scripts/qapi/expr.py',
3099 meson.current_source_dir() / 'scripts/qapi/gen.py',
3100 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3101 meson.current_source_dir() / 'scripts/qapi/main.py',
3102 meson.current_source_dir() / 'scripts/qapi/parser.py',
3103 meson.current_source_dir() / 'scripts/qapi/schema.py',
3104 meson.current_source_dir() / 'scripts/qapi/source.py',
3105 meson.current_source_dir() / 'scripts/qapi/types.py',
3106 meson.current_source_dir() / 'scripts/qapi/visit.py',
3107 meson.current_source_dir() / 'scripts/qapi-gen.py'
3111 python, files('scripts/tracetool.py'),
3112 '--backend=' + ','.join(get_option('trace_backends'))
3114 tracetool_depends = files(
3115 'scripts/tracetool/backend/log.py',
3116 'scripts/tracetool/backend/__init__.py',
3117 'scripts/tracetool/backend/dtrace.py',
3118 'scripts/tracetool/backend/ftrace.py',
3119 'scripts/tracetool/backend/simple.py',
3120 'scripts/tracetool/backend/syslog.py',
3121 'scripts/tracetool/backend/ust.py',
3122 'scripts/tracetool/format/ust_events_c.py',
3123 'scripts/tracetool/format/ust_events_h.py',
3124 'scripts/tracetool/format/__init__.py',
3125 'scripts/tracetool/format/d.py',
3126 'scripts/tracetool/format/simpletrace_stap.py',
3127 'scripts/tracetool/format/c.py',
3128 'scripts/tracetool/format/h.py',
3129 'scripts/tracetool/format/log_stap.py',
3130 'scripts/tracetool/format/stap.py',
3131 'scripts/tracetool/__init__.py',
3132 'scripts/tracetool/vcpu.py'
3135 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3136 meson.current_source_dir(),
3137 get_option('pkgversion'), meson.project_version()]
3138 qemu_version = custom_target('qemu-version.h',
3139 output: 'qemu-version.h',
3140 command: qemu_version_cmd,
3142 build_by_default: true,
3143 build_always_stale: true)
3144 genh += qemu_version
3148 ['qemu-options.hx', 'qemu-options.def'],
3149 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3153 ['hmp-commands.hx', 'hmp-commands.h'],
3154 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3157 foreach d : hx_headers
3158 hxdep += custom_target(d[1],
3162 build_by_default: true, # to be removed when added to a target
3163 command: [hxtool, '-h', '@INPUT0@'])
3171 authz_ss = ss.source_set()
3172 blockdev_ss = ss.source_set()
3173 block_ss = ss.source_set()
3174 chardev_ss = ss.source_set()
3175 common_ss = ss.source_set()
3176 crypto_ss = ss.source_set()
3177 hwcore_ss = ss.source_set()
3178 io_ss = ss.source_set()
3179 qmp_ss = ss.source_set()
3180 qom_ss = ss.source_set()
3181 system_ss = ss.source_set()
3182 specific_fuzz_ss = ss.source_set()
3183 specific_ss = ss.source_set()
3184 stub_ss = ss.source_set()
3185 trace_ss = ss.source_set()
3186 user_ss = ss.source_set()
3187 util_ss = ss.source_set()
3190 qtest_module_ss = ss.source_set()
3191 tcg_module_ss = ss.source_set()
3197 target_softmmu_arch = {}
3198 target_user_arch = {}
3204 # TODO: add each directory to the subdirs from its own meson.build, once
3206 trace_events_subdirs = [
3215 trace_events_subdirs += [ 'linux-user' ]
3218 trace_events_subdirs += [ 'bsd-user' ]
3221 trace_events_subdirs += [
3230 trace_events_subdirs += [
3244 'hw/block/dataplane',
3294 if have_system or have_user
3295 trace_events_subdirs += [
3313 vhost_user = not_found
3314 if targetos == 'linux' and have_vhost_user
3315 libvhost_user = subproject('libvhost-user')
3316 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3319 libvduse = not_found
3321 libvduse_proj = subproject('libvduse')
3322 libvduse = libvduse_proj.get_variable('libvduse_dep')
3325 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3326 # that is filled in by qapi/.
3340 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3341 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3344 qom_ss = qom_ss.apply(config_host, strict: false)
3345 libqom = static_library('qom', qom_ss.sources() + genh,
3346 dependencies: [qom_ss.dependencies()],
3348 qom = declare_dependency(link_whole: libqom)
3350 event_loop_base = files('event-loop-base.c')
3351 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3352 build_by_default: true)
3353 event_loop_base = declare_dependency(link_whole: event_loop_base,
3354 dependencies: [qom])
3356 stub_ss = stub_ss.apply(config_all, strict: false)
3358 util_ss.add_all(trace_ss)
3359 util_ss = util_ss.apply(config_all, strict: false)
3360 libqemuutil = static_library('qemuutil',
3361 sources: util_ss.sources() + stub_ss.sources() + genh,
3362 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3363 qemuutil = declare_dependency(link_with: libqemuutil,
3364 sources: genh + version_res,
3365 dependencies: [event_loop_base])
3367 if have_system or have_user
3368 decodetree = generator(find_program('scripts/decodetree.py'),
3369 output: 'decode-@BASENAME@.c.inc',
3370 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3371 subdir('libdecnumber')
3388 if config_host_data.get('CONFIG_REPLICATION')
3389 block_ss.add(files('replication.c'))
3396 blockdev_ss.add(files(
3403 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3404 # os-win32.c does not
3405 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3406 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3409 common_ss.add(files('cpus-common.c'))
3410 specific_ss.add(files('cpu.c'))
3414 # Work around a gcc bug/misfeature wherein constant propagation looks
3416 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3417 # to guess that a const variable is always zero. Without lto, this is
3418 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3419 # without lto, not even the alias is required -- we simply use different
3420 # declarations in different compilation units.
3421 pagevary = files('page-vary-common.c')
3422 if get_option('b_lto')
3423 pagevary_flags = ['-fno-lto']
3424 if get_option('cfi')
3425 pagevary_flags += '-fno-sanitize=cfi-icall'
3427 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3428 c_args: pagevary_flags)
3429 pagevary = declare_dependency(link_with: pagevary)
3431 common_ss.add(pagevary)
3432 specific_ss.add(files('page-vary.c'))
3440 subdir('semihosting')
3448 common_user_inc = []
3450 subdir('common-user')
3452 subdir('linux-user')
3454 # needed for fuzzing binaries
3455 subdir('tests/qtest/libqos')
3456 subdir('tests/qtest/fuzz')
3459 tcg_real_module_ss = ss.source_set()
3460 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3461 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3462 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3463 'tcg': tcg_real_module_ss }}
3465 ########################
3466 # Library dependencies #
3467 ########################
3469 modinfo_collect = find_program('scripts/modinfo-collect.py')
3470 modinfo_generate = find_program('scripts/modinfo-generate.py')
3475 foreach d, list : modules
3476 if not (d == 'block' ? have_block : have_system)
3480 foreach m, module_ss : list
3482 module_ss = module_ss.apply(config_all, strict: false)
3483 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3484 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3490 if module_ss.sources() != []
3491 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3492 # input. Sources can be used multiple times but objects are
3493 # unique when it comes to lookup in compile_commands.json.
3494 # Depnds on a mesion version with
3495 # https://github.com/mesonbuild/meson/pull/8900
3496 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3497 output: d + '-' + m + '.modinfo',
3498 input: module_ss.sources() + genh,
3500 command: [modinfo_collect, module_ss.sources()])
3504 block_ss.add_all(module_ss)
3506 system_ss.add_all(module_ss)
3512 foreach d, list : target_modules
3513 foreach m, module_ss : list
3515 foreach target : target_dirs
3516 if target.endswith('-softmmu')
3517 config_target = config_target_mak[target]
3518 config_target += config_host
3519 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3520 c_args = ['-DNEED_CPU_H',
3521 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3522 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3523 target_module_ss = module_ss.apply(config_target, strict: false)
3524 if target_module_ss.sources() != []
3525 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3526 sl = static_library(module_name,
3527 [genh, target_module_ss.sources()],
3528 dependencies: [modulecommon, target_module_ss.dependencies()],
3529 include_directories: target_inc,
3533 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3534 modinfo_files += custom_target(module_name + '.modinfo',
3535 output: module_name + '.modinfo',
3536 input: target_module_ss.sources() + genh,
3538 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3543 specific_ss.add_all(module_ss)
3549 foreach target : target_dirs
3550 if target.endswith('-softmmu')
3551 config_target = config_target_mak[target]
3552 config_devices_mak = target + '-config-devices.mak'
3553 modinfo_src = custom_target('modinfo-' + target + '.c',
3554 output: 'modinfo-' + target + '.c',
3555 input: modinfo_files,
3556 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3559 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3560 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3562 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3563 hw_arch[arch].add(modinfo_dep)
3568 nm = find_program('nm')
3569 undefsym = find_program('scripts/undefsym.py')
3570 block_syms = custom_target('block.syms', output: 'block.syms',
3571 input: [libqemuutil, block_mods],
3573 command: [undefsym, nm, '@INPUT@'])
3574 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3575 input: [libqemuutil, softmmu_mods],
3577 command: [undefsym, nm, '@INPUT@'])
3579 authz_ss = authz_ss.apply(config_host, strict: false)
3580 libauthz = static_library('authz', authz_ss.sources() + genh,
3581 dependencies: [authz_ss.dependencies()],
3583 build_by_default: false)
3585 authz = declare_dependency(link_whole: libauthz,
3588 crypto_ss = crypto_ss.apply(config_host, strict: false)
3589 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3590 dependencies: [crypto_ss.dependencies()],
3592 build_by_default: false)
3594 crypto = declare_dependency(link_whole: libcrypto,
3595 dependencies: [authz, qom])
3597 io_ss = io_ss.apply(config_host, strict: false)
3598 libio = static_library('io', io_ss.sources() + genh,
3599 dependencies: [io_ss.dependencies()],
3600 link_with: libqemuutil,
3602 build_by_default: false)
3604 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3606 libmigration = static_library('migration', sources: migration_files + genh,
3608 build_by_default: false)
3609 migration = declare_dependency(link_with: libmigration,
3610 dependencies: [zlib, qom, io])
3611 system_ss.add(migration)
3613 block_ss = block_ss.apply(config_host, strict: false)
3614 libblock = static_library('block', block_ss.sources() + genh,
3615 dependencies: block_ss.dependencies(),
3616 link_depends: block_syms,
3618 build_by_default: false)
3620 block = declare_dependency(link_whole: [libblock],
3621 link_args: '@block.syms',
3622 dependencies: [crypto, io])
3624 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3625 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3626 dependencies: blockdev_ss.dependencies(),
3628 build_by_default: false)
3630 blockdev = declare_dependency(link_whole: [libblockdev],
3631 dependencies: [block, event_loop_base])
3633 qmp_ss = qmp_ss.apply(config_host, strict: false)
3634 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3635 dependencies: qmp_ss.dependencies(),
3637 build_by_default: false)
3639 qmp = declare_dependency(link_whole: [libqmp])
3641 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3643 dependencies: chardev_ss.dependencies(),
3644 build_by_default: false)
3646 chardev = declare_dependency(link_whole: libchardev)
3648 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3649 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3651 build_by_default: false)
3652 hwcore = declare_dependency(link_whole: libhwcore)
3653 common_ss.add(hwcore)
3659 emulator_modules = []
3660 foreach m : block_mods + softmmu_mods
3661 emulator_modules += shared_module(m.name(),
3662 build_by_default: true,
3666 install_dir: qemu_moddir)
3668 if emulator_modules.length() > 0
3669 alias_target('modules', emulator_modules)
3672 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3673 common_ss.add(qom, qemuutil)
3675 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3676 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3678 common_all = common_ss.apply(config_all, strict: false)
3679 common_all = static_library('common',
3680 build_by_default: false,
3681 sources: common_all.sources() + genh,
3682 include_directories: common_user_inc,
3683 implicit_include_directories: false,
3684 dependencies: common_all.dependencies(),
3687 feature_to_c = find_program('scripts/feature_to_c.sh')
3689 if targetos == 'darwin'
3690 entitlement = find_program('scripts/entitlement.sh')
3694 foreach target : target_dirs
3695 config_target = config_target_mak[target]
3696 target_name = config_target['TARGET_NAME']
3697 target_base_arch = config_target['TARGET_BASE_ARCH']
3698 arch_srcs = [config_target_h[target]]
3700 c_args = ['-DNEED_CPU_H',
3701 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3702 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3703 link_args = emulator_link_args
3705 config_target += config_host
3706 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3707 if targetos == 'linux'
3708 target_inc += include_directories('linux-headers', is_system: true)
3710 if target.endswith('-softmmu')
3711 target_type='system'
3712 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3713 arch_srcs += t.sources()
3714 arch_deps += t.dependencies()
3716 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3717 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3718 arch_srcs += hw.sources()
3719 arch_deps += hw.dependencies()
3721 arch_srcs += config_devices_h[target]
3722 link_args += ['@block.syms', '@qemu.syms']
3724 abi = config_target['TARGET_ABI_DIR']
3726 target_inc += common_user_inc
3727 if target_base_arch in target_user_arch
3728 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3729 arch_srcs += t.sources()
3730 arch_deps += t.dependencies()
3732 if 'CONFIG_LINUX_USER' in config_target
3733 base_dir = 'linux-user'
3735 if 'CONFIG_BSD_USER' in config_target
3736 base_dir = 'bsd-user'
3737 target_inc += include_directories('bsd-user/' / targetos)
3738 target_inc += include_directories('bsd-user/host/' / host_arch)
3739 dir = base_dir / abi
3740 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3742 target_inc += include_directories(
3746 if 'CONFIG_LINUX_USER' in config_target
3747 dir = base_dir / abi
3748 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3749 if config_target.has_key('TARGET_SYSTBL_ABI')
3751 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3752 extra_args : config_target['TARGET_SYSTBL_ABI'])
3757 if 'TARGET_XML_FILES' in config_target
3758 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3759 output: target + '-gdbstub-xml.c',
3760 input: files(config_target['TARGET_XML_FILES'].split()),
3761 command: [feature_to_c, '@INPUT@'],
3763 arch_srcs += gdbstub_xml
3766 t = target_arch[target_base_arch].apply(config_target, strict: false)
3767 arch_srcs += t.sources()
3768 arch_deps += t.dependencies()
3770 target_common = common_ss.apply(config_target, strict: false)
3771 objects = common_all.extract_objects(target_common.sources())
3772 deps = target_common.dependencies()
3774 target_specific = specific_ss.apply(config_target, strict: false)
3775 arch_srcs += target_specific.sources()
3776 arch_deps += target_specific.dependencies()
3778 lib = static_library('qemu-' + target,
3779 sources: arch_srcs + genh,
3780 dependencies: arch_deps,
3782 include_directories: target_inc,
3784 build_by_default: false,
3787 if target.endswith('-softmmu')
3789 'name': 'qemu-system-' + target_name,
3790 'win_subsystem': 'console',
3791 'sources': files('softmmu/main.c'),
3794 if targetos == 'windows' and (sdl.found() or gtk.found())
3796 'name': 'qemu-system-' + target_name + 'w',
3797 'win_subsystem': 'windows',
3798 'sources': files('softmmu/main.c'),
3802 if get_option('fuzzing')
3803 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3805 'name': 'qemu-fuzz-' + target_name,
3806 'win_subsystem': 'console',
3807 'sources': specific_fuzz.sources(),
3808 'dependencies': specific_fuzz.dependencies(),
3813 'name': 'qemu-' + target_name,
3814 'win_subsystem': 'console',
3820 exe_name = exe['name']
3821 if targetos == 'darwin'
3822 exe_name += '-unsigned'
3825 emulator = executable(exe_name, exe['sources'],
3828 dependencies: arch_deps + deps + exe['dependencies'],
3829 objects: lib.extract_all_objects(recursive: true),
3830 link_language: link_language,
3831 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3832 link_args: link_args,
3833 win_subsystem: exe['win_subsystem'])
3835 if targetos == 'darwin'
3836 icon = 'pc-bios/qemu.rsrc'
3837 build_input = [emulator, files(icon)]
3839 get_option('bindir') / exe_name,
3840 meson.current_source_dir() / icon
3842 if 'CONFIG_HVF' in config_target
3843 entitlements = 'accel/hvf/entitlements.plist'
3844 build_input += files(entitlements)
3845 install_input += meson.current_source_dir() / entitlements
3848 emulators += {exe['name'] : custom_target(exe['name'],
3850 output: exe['name'],
3851 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3854 meson.add_install_script(entitlement, '--install',
3855 get_option('bindir') / exe['name'],
3858 emulators += {exe['name']: emulator}
3863 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3864 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3865 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3866 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3868 custom_target(exe['name'] + stp['ext'],
3869 input: trace_events_all,
3870 output: exe['name'] + stp['ext'],
3871 install: stp['install'],
3872 install_dir: get_option('datadir') / 'systemtap/tapset',
3874 tracetool, '--group=all', '--format=' + stp['fmt'],
3875 '--binary=' + stp['bin'],
3876 '--target-name=' + target_name,
3877 '--target-type=' + target_type,
3878 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3879 '@INPUT@', '@OUTPUT@'
3881 depend_files: tracetool_depends)
3887 # Other build targets
3889 if 'CONFIG_PLUGIN' in config_host
3890 install_headers('include/qemu/qemu-plugin.h')
3895 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3896 # when we don't build tools or system
3897 if xkbcommon.found()
3898 # used for the update-keymaps target, so include rules even if !have_tools
3899 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3900 dependencies: [qemuutil, xkbcommon], install: have_tools)
3904 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3905 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3906 qemu_io = executable('qemu-io', files('qemu-io.c'),
3907 dependencies: [block, qemuutil], install: true)
3908 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3909 dependencies: [blockdev, qemuutil, gnutls, selinux],
3912 subdir('storage-daemon')
3913 subdir('contrib/rdmacm-mux')
3914 subdir('contrib/elf2dmp')
3916 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3917 dependencies: qemuutil,
3921 subdir('contrib/vhost-user-blk')
3922 subdir('contrib/vhost-user-gpu')
3923 subdir('contrib/vhost-user-input')
3924 subdir('contrib/vhost-user-scsi')
3927 if targetos == 'linux'
3928 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3929 dependencies: [qemuutil, libcap_ng],
3931 install_dir: get_option('libexecdir'))
3933 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3934 dependencies: [authz, crypto, io, qom, qemuutil,
3935 libcap_ng, mpathpersist],
3940 subdir('contrib/ivshmem-client')
3941 subdir('contrib/ivshmem-server')
3954 if host_machine.system() == 'windows'
3956 find_program('scripts/nsis.py'),
3958 get_option('prefix'),
3959 meson.current_source_dir(),
3960 glib_pc.get_variable('bindir'),
3963 '-DDISPLAYVERSION=' + meson.project_version(),
3966 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3969 nsis_cmd += '-DCONFIG_GTK=y'
3972 nsis = custom_target('nsis',
3973 output: 'qemu-setup-' + meson.project_version() + '.exe',
3974 input: files('qemu.nsi'),
3975 build_always_stale: true,
3976 command: nsis_cmd + ['@INPUT@'])
3977 alias_target('installer', nsis)
3980 #########################
3981 # Configuration summary #
3982 #########################
3986 summary_info += {'Build directory': meson.current_build_dir()}
3987 summary_info += {'Source path': meson.current_source_dir()}
3988 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3989 summary(summary_info, bool_yn: true, section: 'Build environment')
3992 summary_info += {'Install prefix': get_option('prefix')}
3993 summary_info += {'BIOS directory': qemu_datadir}
3994 pathsep = targetos == 'windows' ? ';' : ':'
3995 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3996 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3997 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3998 summary_info += {'module directory': qemu_moddir}
3999 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4000 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4001 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4002 if targetos != 'windows'
4003 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4004 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4006 summary_info += {'local state directory': 'queried at runtime'}
4008 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4009 summary(summary_info, bool_yn: true, section: 'Directories')
4013 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4014 summary_info += {'sphinx-build': sphinx_build}
4015 if config_host.has_key('HAVE_GDB_BIN')
4016 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4018 summary_info += {'iasl': iasl}
4019 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4020 if targetos == 'windows' and have_ga
4021 summary_info += {'wixl': wixl}
4023 if slirp.found() and have_system
4024 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4026 summary(summary_info, bool_yn: true, section: 'Host binaries')
4028 # Configurable features
4030 summary_info += {'Documentation': build_docs}
4031 summary_info += {'system-mode emulation': have_system}
4032 summary_info += {'user-mode emulation': have_user}
4033 summary_info += {'block layer': have_block}
4034 summary_info += {'Install blobs': get_option('install_blobs')}
4035 summary_info += {'module support': enable_modules}
4037 summary_info += {'alternative module path': get_option('module_upgrades')}
4039 summary_info += {'fuzzing support': get_option('fuzzing')}
4041 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4043 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4044 if 'simple' in get_option('trace_backends')
4045 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4047 summary_info += {'D-Bus display': dbus_display}
4048 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4049 summary_info += {'vhost-kernel support': have_vhost_kernel}
4050 summary_info += {'vhost-net support': have_vhost_net}
4051 summary_info += {'vhost-user support': have_vhost_user}
4052 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4053 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4054 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4055 summary_info += {'build guest agent': have_ga}
4056 summary(summary_info, bool_yn: true, section: 'Configurable features')
4058 # Compilation information
4060 summary_info += {'host CPU': cpu}
4061 summary_info += {'host endianness': build_machine.endian()}
4062 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4063 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4064 if link_language == 'cpp'
4065 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4067 summary_info += {'C++ compiler': false}
4069 if targetos == 'darwin'
4070 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4072 option_cflags = (get_option('debug') ? ['-g'] : [])
4073 if get_option('optimization') != 'plain'
4074 option_cflags += ['-O' + get_option('optimization')]
4076 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4077 if link_language == 'cpp'
4078 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4080 if targetos == 'darwin'
4081 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4083 link_args = get_option(link_language + '_link_args')
4084 if link_args.length() > 0
4085 summary_info += {'LDFLAGS': ' '.join(link_args)}
4087 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4088 if 'cpp' in all_languages
4089 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4091 if 'objc' in all_languages
4092 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4094 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4095 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4096 summary_info += {'PIE': get_option('b_pie')}
4097 summary_info += {'static build': get_option('prefer_static')}
4098 summary_info += {'malloc trim support': has_malloc_trim}
4099 summary_info += {'membarrier': have_membarrier}
4100 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4101 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4102 summary_info += {'mutex debugging': get_option('debug_mutex')}
4103 summary_info += {'memory allocator': get_option('malloc')}
4104 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4105 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4106 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4107 if get_option('gprof')
4108 gprof_info = 'YES (deprecated)'
4110 gprof_info = get_option('gprof')
4112 summary_info += {'gprof': gprof_info}
4113 summary_info += {'gcov': get_option('b_coverage')}
4114 summary_info += {'thread sanitizer': get_option('tsan')}
4115 summary_info += {'CFI support': get_option('cfi')}
4116 if get_option('cfi')
4117 summary_info += {'CFI debug support': get_option('cfi_debug')}
4119 summary_info += {'strip binaries': get_option('strip')}
4120 summary_info += {'sparse': sparse}
4121 summary_info += {'mingw32 support': targetos == 'windows'}
4122 summary(summary_info, bool_yn: true, section: 'Compilation')
4124 # snarf the cross-compilation information for tests
4127 foreach target: target_dirs
4128 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4129 if fs.exists(tcg_mak)
4130 config_cross_tcg = keyval.load(tcg_mak)
4131 if 'CC' in config_cross_tcg
4132 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4138 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4141 # Targets and accelerators
4144 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4145 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4146 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4147 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4148 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4149 summary_info += {'Xen support': xen.found()}
4151 summary_info += {'xen ctrl version': xen.version()}
4153 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4155 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4156 if config_all.has_key('CONFIG_TCG')
4157 if get_option('tcg_interpreter')
4158 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4160 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4162 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4163 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4165 summary_info += {'target list': ' '.join(target_dirs)}
4167 summary_info += {'default devices': get_option('default_devices')}
4168 summary_info += {'out of process emulation': multiprocess_allowed}
4169 summary_info += {'vfio-user server': vfio_user_server_allowed}
4171 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4175 summary_info += {'coroutine backend': coroutine_backend}
4176 summary_info += {'coroutine pool': have_coroutine_pool}
4178 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4179 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4180 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4181 summary_info += {'VirtFS (9P) support': have_virtfs}
4182 summary_info += {'VirtFS (9P) Proxy Helper support': have_virtfs_proxy_helper}
4183 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4184 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4185 summary_info += {'bochs support': get_option('bochs').allowed()}
4186 summary_info += {'cloop support': get_option('cloop').allowed()}
4187 summary_info += {'dmg support': get_option('dmg').allowed()}
4188 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4189 summary_info += {'vdi support': get_option('vdi').allowed()}
4190 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4191 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4192 summary_info += {'vpc support': get_option('vpc').allowed()}
4193 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4194 summary_info += {'qed support': get_option('qed').allowed()}
4195 summary_info += {'parallels support': get_option('parallels').allowed()}
4196 summary_info += {'FUSE exports': fuse}
4197 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4199 summary(summary_info, bool_yn: true, section: 'Block layer support')
4203 summary_info += {'TLS priority': get_option('tls_priority')}
4204 summary_info += {'GNUTLS support': gnutls}
4206 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4208 summary_info += {'libgcrypt': gcrypt}
4209 summary_info += {'nettle': nettle}
4211 summary_info += {' XTS': xts != 'private'}
4213 summary_info += {'AF_ALG support': have_afalg}
4214 summary_info += {'rng-none': get_option('rng_none')}
4215 summary_info += {'Linux keyring': have_keyring}
4216 summary(summary_info, bool_yn: true, section: 'Crypto')
4220 if targetos == 'darwin'
4221 summary_info += {'Cocoa support': cocoa}
4223 summary_info += {'SDL support': sdl}
4224 summary_info += {'SDL image support': sdl_image}
4225 summary_info += {'GTK support': gtk}
4226 summary_info += {'pixman': pixman}
4227 summary_info += {'VTE support': vte}
4228 summary_info += {'PNG support': png}
4229 summary_info += {'VNC support': vnc}
4231 summary_info += {'VNC SASL support': sasl}
4232 summary_info += {'VNC JPEG support': jpeg}
4234 summary_info += {'spice protocol support': spice_protocol}
4235 if spice_protocol.found()
4236 summary_info += {' spice server support': spice}
4238 summary_info += {'curses support': curses}
4239 summary_info += {'brlapi support': brlapi}
4240 summary(summary_info, bool_yn: true, section: 'User interface')
4244 if targetos not in ['darwin', 'haiku', 'windows']
4245 summary_info += {'OSS support': oss}
4246 summary_info += {'sndio support': sndio}
4247 elif targetos == 'darwin'
4248 summary_info += {'CoreAudio support': coreaudio}
4249 elif targetos == 'windows'
4250 summary_info += {'DirectSound support': dsound}
4252 if targetos == 'linux'
4253 summary_info += {'ALSA support': alsa}
4254 summary_info += {'PulseAudio support': pulse}
4256 summary_info += {'Pipewire support': pipewire}
4257 summary_info += {'JACK support': jack}
4258 summary(summary_info, bool_yn: true, section: 'Audio backends')
4262 if targetos == 'darwin'
4263 summary_info += {'vmnet.framework support': vmnet}
4265 summary_info += {'slirp support': slirp}
4266 summary_info += {'vde support': vde}
4267 summary_info += {'netmap support': have_netmap}
4268 summary_info += {'l2tpv3 support': have_l2tpv3}
4269 summary(summary_info, bool_yn: true, section: 'Network backends')
4273 summary_info += {'libtasn1': tasn1}
4274 summary_info += {'PAM': pam}
4275 summary_info += {'iconv support': iconv}
4276 summary_info += {'virgl support': virgl}
4277 summary_info += {'blkio support': blkio}
4278 summary_info += {'curl support': curl}
4279 summary_info += {'Multipath support': mpathpersist}
4280 summary_info += {'Linux AIO support': libaio}
4281 summary_info += {'Linux io_uring support': linux_io_uring}
4282 summary_info += {'ATTR/XATTR support': libattr}
4283 summary_info += {'RDMA support': rdma}
4284 summary_info += {'PVRDMA support': have_pvrdma}
4285 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4286 summary_info += {'libcap-ng support': libcap_ng}
4287 summary_info += {'bpf support': libbpf}
4288 summary_info += {'rbd support': rbd}
4289 summary_info += {'smartcard support': cacard}
4290 summary_info += {'U2F support': u2f}
4291 summary_info += {'libusb': libusb}
4292 summary_info += {'usb net redir': usbredir}
4293 summary_info += {'OpenGL support (epoxy)': opengl}
4294 summary_info += {'GBM': gbm}
4295 summary_info += {'libiscsi support': libiscsi}
4296 summary_info += {'libnfs support': libnfs}
4297 if targetos == 'windows'
4299 summary_info += {'QGA VSS support': have_qga_vss}
4302 summary_info += {'seccomp support': seccomp}
4303 summary_info += {'GlusterFS support': glusterfs}
4304 summary_info += {'TPM support': have_tpm}
4305 summary_info += {'libssh support': libssh}
4306 summary_info += {'lzo support': lzo}
4307 summary_info += {'snappy support': snappy}
4308 summary_info += {'bzip2 support': libbzip2}
4309 summary_info += {'lzfse support': liblzfse}
4310 summary_info += {'zstd support': zstd}
4311 summary_info += {'NUMA host support': numa}
4312 summary_info += {'capstone': capstone}
4313 summary_info += {'libpmem support': libpmem}
4314 summary_info += {'libdaxctl support': libdaxctl}
4315 summary_info += {'libudev': libudev}
4316 # Dummy dependency, keep .found()
4317 summary_info += {'FUSE lseek': fuse_lseek.found()}
4318 summary_info += {'selinux': selinux}
4319 summary_info += {'libdw': libdw}
4320 summary(summary_info, bool_yn: true, section: 'Dependencies')
4322 if not supported_cpus.contains(cpu)
4324 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4326 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4327 message('The QEMU project intends to remove support for this host CPU in')
4328 message('a future release if nobody volunteers to maintain it and to')
4329 message('provide a build host for our continuous integration setup.')
4330 message('configure has succeeded and you can continue to build, but')
4331 message('if you care about QEMU on this platform you should contact')
4332 message('us upstream at qemu-devel@nongnu.org.')
4335 if not supported_oses.contains(targetos)
4337 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4339 message('Host OS ' + targetos + 'support is not currently maintained.')
4340 message('The QEMU project intends to remove support for this host OS in')
4341 message('a future release if nobody volunteers to maintain it and to')
4342 message('provide a build host for our continuous integration setup.')
4343 message('configure has succeeded and you can continue to build, but')
4344 message('if you care about QEMU on this platform you should contact')
4345 message('us upstream at qemu-devel@nongnu.org.')