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', 'riscv32', 'riscv64', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 enable_modules = get_option('modules') \
82 .require(targetos != 'windows',
83 error_message: 'Modules are not available for Windows') \
84 .require(not get_option('prefer_static'),
85 error_message: 'Modules are incompatible with static linking') \
87 have_block = have_system or have_tools
89 python = import('python').find_installation()
91 if cpu not in supported_cpus
97 elif cpu in ['riscv32', 'riscv64']
103 if cpu in ['x86', 'x86_64']
104 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
105 elif cpu == 'aarch64'
106 kvm_targets = ['aarch64-softmmu']
108 kvm_targets = ['s390x-softmmu']
109 elif cpu in ['ppc', 'ppc64']
110 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
111 elif cpu in ['mips', 'mips64']
112 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
113 elif cpu in ['riscv32', 'riscv64']
114 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
120 if get_option('kvm').allowed() and targetos == 'linux'
121 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
123 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
125 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
127 if cpu in ['aarch64']
128 accelerator_targets += {
129 'CONFIG_HVF': ['aarch64-softmmu']
133 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
134 # i386 emulator provides xenpv machine type for multiple architectures
135 accelerator_targets += {
136 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
139 if cpu in ['x86', 'x86_64']
140 accelerator_targets += {
141 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
142 'CONFIG_HVF': ['x86_64-softmmu'],
143 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
144 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
149 # Darwin does not support references to thread-local variables in modules
150 if targetos != 'darwin'
151 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
154 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
155 unpack_edk2_blobs = false
156 foreach target : edk2_targets
157 if target in target_dirs
158 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
159 unpack_edk2_blobs = bzip2.found()
166 if 'dtrace' in get_option('trace_backends')
167 dtrace = find_program('dtrace', required: true)
168 stap = find_program('stap', required: false)
170 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
171 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
172 # instead. QEMU --enable-modules depends on this because the SystemTap
173 # semaphores are linked into the main binary and not the module's shared
175 add_global_arguments('-DSTAP_SDT_V2',
176 native: false, language: all_languages)
180 if get_option('iasl') == ''
181 iasl = find_program('iasl', required: false)
183 iasl = find_program(get_option('iasl'), required: true)
190 foreach lang : all_languages
191 compiler = meson.get_compiler(lang)
192 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
194 elif compiler.get_id() == 'clang' and compiler.compiles('''
195 #ifdef __apple_build_version__
196 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
197 # error You need at least XCode Clang v12.0 to compile QEMU
200 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
201 # error You need at least Clang v10.0 to compile QEMU
206 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
210 # default flags for all hosts
211 # We use -fwrapv to tell the compiler that we require a C dialect where
212 # left shift of signed integers is well defined and has the expected
213 # 2s-complement style results. (Both clang and gcc agree that it
214 # provides these semantics.)
216 qemu_common_flags = [
217 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
218 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
222 if targetos == 'darwin'
223 # Disable attempts to use ObjectiveC features in os/object.h since they
224 # won't work when we're compiling with gcc as a C compiler.
225 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
226 elif targetos == 'solaris'
227 # needed for CMSG_ macros in sys/socket.h
228 qemu_common_flags += '-D_XOPEN_SOURCE=600'
229 # needed for TIOCWIN* defines in termios.h
230 qemu_common_flags += '-D__EXTENSIONS__'
231 elif targetos == 'haiku'
232 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
235 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
236 # use i686 as default anyway, but for those that don't, an explicit
237 # specification is necessary
238 if host_arch == 'i386' and not cc.links('''
239 static int sfaa(int *ptr)
241 return __sync_fetch_and_and(ptr, 0);
247 val = __sync_val_compare_and_swap(&val, 0, 1);
251 qemu_common_flags = ['-march=i486'] + qemu_common_flags
254 if get_option('gprof')
255 qemu_common_flags += ['-p']
256 qemu_ldflags += ['-p']
259 if get_option('prefer_static')
260 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
263 # Meson currently only handles pie as a boolean for now, so if the user
264 # has explicitly disabled PIE we need to extend our cflags.
266 # -no-pie is supposedly a linker flag that has no effect on the compiler
267 # command line, but some distros, that didn't quite know what they were
268 # doing, made local changes to gcc's specs file that turned it into
269 # a compiler command-line flag.
271 # What about linker flags? For a static build, no PIE is implied by -static
272 # which we added above (and if it's not because of the same specs patching,
273 # there's nothing we can do: compilation will fail, report a bug to your
274 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
275 # instead, we can't add -no-pie because it overrides -shared: the linker then
276 # tries to build an executable instead of a shared library and fails. So
277 # don't add -no-pie anywhere and cross fingers. :(
278 if not get_option('b_pie')
279 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
282 if not get_option('stack_protector').disabled()
283 stack_protector_probe = '''
284 int main(int argc, char *argv[])
286 char arr[64], *p = arr, *c = argv[argc - 1];
292 have_stack_protector = false
293 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
294 # We need to check both a compile and a link, since some compiler
295 # setups fail only on a .c->.o compile and some only at link time
296 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
297 cc.links(stack_protector_probe, args: ['-Werror', arg])
298 have_stack_protector = true
304 get_option('stack_protector') \
305 .require(have_stack_protector, error_message: 'Stack protector not supported')
308 coroutine_backend = get_option('coroutine_backend')
310 #include <ucontext.h>
311 #ifdef __stub_makecontext
312 #error Ignoring glibc stub makecontext which will always fail
314 int main(void) { makecontext(0, 0, 0); return 0; }'''
316 # On Windows the only valid backend is the Windows specific one.
317 # For POSIX prefer ucontext, but it's not always possible. The fallback
319 supported_backends = []
320 if targetos == 'windows'
321 supported_backends += ['windows']
323 if targetos != 'darwin' and cc.links(ucontext_probe)
324 supported_backends += ['ucontext']
326 supported_backends += ['sigaltstack']
329 if coroutine_backend == 'auto'
330 coroutine_backend = supported_backends[0]
331 elif coroutine_backend not in supported_backends
332 error('"@0@" backend requested but not available. Available backends: @1@' \
333 .format(coroutine_backend, ', '.join(supported_backends)))
336 # Compiles if SafeStack *not* enabled
337 safe_stack_probe = '''
340 #if defined(__has_feature)
341 #if __has_feature(safe_stack)
342 #error SafeStack Enabled
347 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
348 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
349 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
350 error(get_option('safe_stack') \
351 ? 'SafeStack not supported by your compiler' \
352 : 'Cannot disable SafeStack')
354 qemu_cflags += safe_stack_arg
355 qemu_ldflags += safe_stack_arg
357 if get_option('safe_stack') and coroutine_backend != 'ucontext'
358 error('SafeStack is only supported with the ucontext coroutine backend')
361 if get_option('sanitizers')
362 if cc.has_argument('-fsanitize=address')
363 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
364 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
367 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
368 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
369 args: [qemu_ldflags, '-fsanitize=undefined'])
370 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
371 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
375 # Thread sanitizer is, for now, much noisier than the other sanitizers;
376 # keep it separate until that is not the case.
377 if get_option('tsan')
378 if get_option('sanitizers')
379 error('TSAN is not supported with other sanitizers')
381 if not cc.has_function('__tsan_create_fiber',
382 args: '-fsanitize=thread',
383 prefix: '#include <sanitizer/tsan_interface.h>')
384 error('Cannot enable TSAN due to missing fiber annotation interface')
386 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
387 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
390 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
391 # The combination is known as "full relro", because .got.plt is read-only too.
392 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
394 if targetos == 'windows'
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
396 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
399 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
400 if targetos != 'sunos' and not get_option('tsan')
401 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
404 if get_option('fuzzing')
405 # Specify a filter to only instrument code that is directly related to
407 configure_file(output: 'instrumentation-filter',
408 input: 'scripts/oss-fuzz/instrumentation-filter-template',
411 if cc.compiles('int main () { return 0; }',
412 name: '-fsanitize-coverage-allowlist=/dev/null',
413 args: ['-fsanitize-coverage-allowlist=/dev/null',
414 '-fsanitize-coverage=trace-pc'] )
415 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
418 if get_option('fuzzing_engine') == ''
419 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
420 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
421 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
422 # unable to bind the fuzzer-related callbacks added by instrumentation.
423 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
424 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
425 # For the actual fuzzer binaries, we need to link against the libfuzzer
426 # library. They need to be configurable, to support OSS-Fuzz
427 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
429 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
430 # the needed CFLAGS have already been provided
431 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
435 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
436 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
438 # Collect warnings that we want to enable
443 '-Wmissing-prototypes',
444 '-Wstrict-prototypes',
446 '-Wold-style-declaration',
447 '-Wold-style-definition',
452 '-Wignored-qualifiers',
456 '-Wexpansion-to-defined',
457 '-Wimplicit-fallthrough=2',
458 '-Wmissing-format-attribute',
459 '-Wno-initializer-overrides',
460 '-Wno-missing-include-dirs',
461 '-Wno-shift-negative-value',
462 '-Wno-string-plus-int',
463 '-Wno-typedef-redefinition',
464 '-Wno-tautological-type-limit-compare',
466 '-Wno-gnu-variable-sized-type-not-at-end',
469 if targetos != 'darwin'
470 warn_flags += ['-Wthread-safety']
473 # Set up C++ compiler flags
475 if 'cpp' in all_languages
476 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
479 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
480 if get_option('optimization') != '0' and targetos == 'linux'
481 if cc.get_id() == 'gcc'
482 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
484 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
485 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
489 add_project_arguments(qemu_cflags, native: false, language: 'c')
490 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
491 if 'cpp' in all_languages
492 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
493 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
495 if 'objc' in all_languages
496 # Note sanitizer flags are not applied to Objective-C sources!
497 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
499 if targetos == 'linux'
500 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
501 '-isystem', 'linux-headers',
502 language: all_languages)
505 add_project_arguments('-iquote', '.',
506 '-iquote', meson.current_source_dir(),
507 '-iquote', meson.current_source_dir() / 'include',
508 language: all_languages)
510 # If a host-specific include directory exists, list that first...
511 host_include = meson.current_source_dir() / 'host/include/'
512 if fs.is_dir(host_include / host_arch)
513 add_project_arguments('-iquote', host_include / host_arch,
514 language: all_languages)
516 # ... followed by the generic fallback.
517 add_project_arguments('-iquote', host_include / 'generic',
518 language: all_languages)
520 sparse = find_program('cgcc', required: get_option('sparse'))
523 command: [find_program('scripts/check_sparse.py'),
524 'compile_commands.json', sparse.full_path(), '-Wbitwise',
525 '-Wno-transparent-union', '-Wno-old-initializer',
526 '-Wno-non-pointer-null'])
529 ###########################################
530 # Target-specific checks and dependencies #
531 ###########################################
534 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
537 #include <sys/types.h>
538 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
539 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
541 args: ['-Werror', '-fsanitize=fuzzer'])
542 error('Your compiler does not support -fsanitize=fuzzer')
546 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
547 error('ftrace is supported only on Linux')
549 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
552 openlog("qemu", LOG_PID, LOG_DAEMON);
553 syslog(LOG_INFO, "configure");
556 error('syslog is not supported on this system')
559 # Miscellaneous Linux-only features
560 get_option('mpath') \
561 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
563 multiprocess_allowed = get_option('multiprocess') \
564 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
567 vfio_user_server_allowed = get_option('vfio_user_server') \
568 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
571 have_tpm = get_option('tpm') \
572 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
576 have_vhost_user = get_option('vhost_user') \
577 .disable_auto_if(targetos != 'linux') \
578 .require(targetos != 'windows',
579 error_message: 'vhost-user is not available on Windows').allowed()
580 have_vhost_vdpa = get_option('vhost_vdpa') \
581 .require(targetos == 'linux',
582 error_message: 'vhost-vdpa is only available on Linux').allowed()
583 have_vhost_kernel = get_option('vhost_kernel') \
584 .require(targetos == 'linux',
585 error_message: 'vhost-kernel is only available on Linux').allowed()
586 have_vhost_user_crypto = get_option('vhost_crypto') \
587 .require(have_vhost_user,
588 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
590 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
592 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
593 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
594 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
595 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
597 # Target-specific libraries and flags
598 libm = cc.find_library('m', required: false)
599 threads = dependency('threads')
600 util = cc.find_library('util', required: false)
606 emulator_link_args = []
613 if targetos == 'windows'
614 midl = find_program('midl', required: false)
615 widl = find_program('widl', required: false)
616 pathcch = cc.find_library('pathcch')
617 socket = cc.find_library('ws2_32')
618 winmm = cc.find_library('winmm')
620 win = import('windows')
621 version_res = win.compile_resources('version.rc',
622 depend_files: files('pc-bios/qemu-nsis.ico'),
623 include_directories: include_directories('.'))
625 elif targetos == 'darwin'
626 coref = dependency('appleframeworks', modules: 'CoreFoundation')
627 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
628 host_dsosuf = '.dylib'
629 elif targetos == 'sunos'
630 socket = [cc.find_library('socket'),
631 cc.find_library('nsl'),
632 cc.find_library('resolv')]
633 elif targetos == 'haiku'
634 socket = [cc.find_library('posix_error_mapper'),
635 cc.find_library('network'),
636 cc.find_library('bsd')]
637 elif targetos == 'openbsd'
638 if get_option('tcg').allowed() and target_dirs.length() > 0
639 # Disable OpenBSD W^X if available
640 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
644 # Target-specific configuration of accelerators
646 if get_option('kvm').allowed() and targetos == 'linux'
647 accelerators += 'CONFIG_KVM'
649 if get_option('whpx').allowed() and targetos == 'windows'
650 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
651 error('WHPX requires 64-bit host')
652 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
653 cc.has_header('winhvemulation.h', required: get_option('whpx'))
654 accelerators += 'CONFIG_WHPX'
657 if get_option('hvf').allowed()
658 hvf = dependency('appleframeworks', modules: 'Hypervisor',
659 required: get_option('hvf'))
661 accelerators += 'CONFIG_HVF'
664 if get_option('hax').allowed()
665 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
666 accelerators += 'CONFIG_HAX'
669 if targetos == 'netbsd'
670 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
672 accelerators += 'CONFIG_NVMM'
677 if get_option('tcg').allowed()
678 if host_arch == 'unknown'
679 if get_option('tcg_interpreter')
680 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
682 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
684 elif get_option('tcg_interpreter')
685 warning('Use of the TCG interpreter is not recommended on this host')
686 warning('architecture. There is a native TCG execution backend available')
687 warning('which provides substantially better performance and reliability.')
688 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
689 warning('configuration option on this architecture to use the native')
692 if get_option('tcg_interpreter')
694 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
695 elif host_arch == 'x86_64'
697 elif host_arch == 'ppc64'
700 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
701 language: all_languages)
703 accelerators += 'CONFIG_TCG'
704 config_host += { 'CONFIG_TCG': 'y' }
707 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
708 error('KVM not available on this platform')
710 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
711 error('HVF not available on this platform')
713 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
714 error('NVMM not available on this platform')
716 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
717 error('WHPX not available on this platform')
724 # When bumping glib minimum version, please check also whether to increase
725 # the _WIN32_WINNT setting in osdep.h according to the value from glib
726 glib_req_ver = '>=2.56.0'
727 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
728 method: 'pkg-config')
731 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
732 method: 'pkg-config')
733 elif config_host.has_key('CONFIG_PLUGIN')
734 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
735 method: 'pkg-config')
740 # This workaround is required due to a bug in pkg-config file for glib as it
741 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
742 if targetos == 'windows' and get_option('prefer_static')
743 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
746 # Sanity check that the current size_t matches the
747 # size that glib thinks it should be. This catches
748 # problems on multi-arch where people try to build
749 # 32-bit QEMU while pointing at 64-bit glib headers
751 if not cc.compiles('''
755 #define QEMU_BUILD_BUG_ON(x) \
756 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
759 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
761 }''', dependencies: glib_pc, args: glib_cflags)
762 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
763 You probably need to set PKG_CONFIG_LIBDIR" to point
764 to the right pkg-config files for your build target.''')
767 # Silence clang warnings triggered by glib < 2.57.2
768 if not cc.compiles('''
773 static void foo_free(Foo *f)
777 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
778 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
779 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
781 glib = declare_dependency(dependencies: [glib_pc, gmodule],
782 compile_args: glib_cflags,
783 version: glib_pc.version())
785 # Check whether glib has gslice, which we have to avoid for correctness.
786 # TODO: remove this check and the corresponding workaround (qtree) when
787 # the minimum supported glib is >= 2.75.3
788 glib_has_gslice = glib.version().version_compare('<2.75.3')
790 # override glib dep to include the above refinements
791 meson.override_dependency('glib-2.0', glib)
793 # The path to glib.h is added to all compilation commands.
794 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
795 native: false, language: all_languages)
798 gdbus_codegen = not_found
799 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
800 if not get_option('gio').auto() or have_system
801 gio = dependency('gio-2.0', required: get_option('gio'),
802 method: 'pkg-config')
803 if gio.found() and not cc.links('''
807 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
809 }''', dependencies: [glib, gio])
810 if get_option('gio').enabled()
811 error('The installed libgio is broken for static linking')
816 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
817 required: get_option('gio'))
818 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
819 method: 'pkg-config')
820 gio = declare_dependency(dependencies: [gio, gio_unix],
821 version: gio.version())
824 if gdbus_codegen.found() and get_option('cfi')
825 gdbus_codegen = not_found
826 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
829 xml_pp = find_program('scripts/xml-preprocess.py')
832 if 'ust' in get_option('trace_backends')
833 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
834 method: 'pkg-config')
837 if have_system or have_tools
838 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
839 method: 'pkg-config')
841 zlib = dependency('zlib', required: true)
844 if not get_option('linux_aio').auto() or have_block
845 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
846 required: get_option('linux_aio'))
849 linux_io_uring_test = '''
850 #include <liburing.h>
851 #include <linux/errqueue.h>
853 int main(void) { return 0; }'''
855 linux_io_uring = not_found
856 if not get_option('linux_io_uring').auto() or have_block
857 linux_io_uring = dependency('liburing', version: '>=0.3',
858 required: get_option('linux_io_uring'),
859 method: 'pkg-config')
860 if not cc.links(linux_io_uring_test)
861 linux_io_uring = not_found
866 if not get_option('libnfs').auto() or have_block
867 libnfs = dependency('libnfs', version: '>=1.9.3',
868 required: get_option('libnfs'),
869 method: 'pkg-config')
874 #include <sys/types.h>
875 #ifdef CONFIG_LIBATTR
876 #include <attr/xattr.h>
878 #include <sys/xattr.h>
880 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
883 have_old_libattr = false
884 if get_option('attr').allowed()
885 if cc.links(libattr_test)
886 libattr = declare_dependency()
888 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
889 required: get_option('attr'))
890 if libattr.found() and not \
891 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
893 if get_option('attr').enabled()
894 error('could not link libattr')
896 warning('could not link libattr, disabling')
899 have_old_libattr = libattr.found()
904 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
905 required: get_option('cocoa'))
907 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
908 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
909 'VMNET_BRIDGED_MODE',
912 if get_option('vmnet').enabled()
913 error('vmnet.framework API is outdated')
915 warning('vmnet.framework API is outdated, disabling')
920 seccomp_has_sysrawrc = false
921 if not get_option('seccomp').auto() or have_system or have_tools
922 seccomp = dependency('libseccomp', version: '>=2.3.0',
923 required: get_option('seccomp'),
924 method: 'pkg-config')
926 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
927 'SCMP_FLTATR_API_SYSRAWRC',
928 dependencies: seccomp)
932 libcap_ng = not_found
933 if not get_option('cap_ng').auto() or have_system or have_tools
934 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
935 required: get_option('cap_ng'))
937 if libcap_ng.found() and not cc.links('''
941 capng_capability_to_name(CAPNG_EFFECTIVE);
943 }''', dependencies: libcap_ng)
944 libcap_ng = not_found
945 if get_option('cap_ng').enabled()
946 error('could not link libcap-ng')
948 warning('could not link libcap-ng, disabling')
952 if get_option('xkbcommon').auto() and not have_system and not have_tools
953 xkbcommon = not_found
955 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
956 method: 'pkg-config')
960 if not get_option('slirp').auto() or have_system
961 slirp = dependency('slirp', required: get_option('slirp'),
962 method: 'pkg-config')
963 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
964 # it passes function pointers within libslirp as callbacks for timers.
965 # When using a system-wide shared libslirp, the type information for the
966 # callback is missing and the timer call produces a false positive with CFI.
967 # Do not use the "version" keyword argument to produce a better error.
968 # with control-flow integrity.
969 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
970 if get_option('slirp').enabled()
971 error('Control-Flow Integrity requires libslirp 4.7.')
973 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
980 if not get_option('vde').auto() or have_system or have_tools
981 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
982 required: get_option('vde'))
984 if vde.found() and not cc.links('''
985 #include <libvdeplug.h>
988 struct vde_open_args a = {0, 0, 0};
992 }''', dependencies: vde)
994 if get_option('cap_ng').enabled()
995 error('could not link libvdeplug')
997 warning('could not link libvdeplug, disabling')
1002 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1003 pulse = dependency('libpulse', required: get_option('pa'),
1004 method: 'pkg-config')
1007 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1008 alsa = dependency('alsa', required: get_option('alsa'),
1009 method: 'pkg-config')
1012 if not get_option('jack').auto() or have_system
1013 jack = dependency('jack', required: get_option('jack'),
1014 method: 'pkg-config')
1016 pipewire = not_found
1017 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1018 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1019 required: get_option('pipewire'),
1020 method: 'pkg-config')
1023 if not get_option('sndio').auto() or have_system
1024 sndio = dependency('sndio', required: get_option('sndio'),
1025 method: 'pkg-config')
1028 spice_protocol = not_found
1029 if not get_option('spice_protocol').auto() or have_system
1030 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1031 required: get_option('spice_protocol'),
1032 method: 'pkg-config')
1035 if not get_option('spice').auto() or have_system
1036 spice = dependency('spice-server', version: '>=0.14.0',
1037 required: get_option('spice'),
1038 method: 'pkg-config')
1040 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1042 rt = cc.find_library('rt', required: false)
1044 libiscsi = not_found
1045 if not get_option('libiscsi').auto() or have_block
1046 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1047 required: get_option('libiscsi'),
1048 method: 'pkg-config')
1051 if not get_option('zstd').auto() or have_block
1052 zstd = dependency('libzstd', version: '>=1.4.0',
1053 required: get_option('zstd'),
1054 method: 'pkg-config')
1058 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1059 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1060 virgl = dependency('virglrenderer',
1061 method: 'pkg-config',
1062 required: get_option('virglrenderer'))
1064 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1065 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1066 prefix: '#include <virglrenderer.h>',
1067 dependencies: virgl))
1071 if not get_option('blkio').auto() or have_block
1072 blkio = dependency('blkio',
1073 method: 'pkg-config',
1074 required: get_option('blkio'))
1077 if not get_option('curl').auto() or have_block
1078 curl = dependency('libcurl', version: '>=7.29.0',
1079 method: 'pkg-config',
1080 required: get_option('curl'))
1083 if targetos == 'linux' and (have_system or have_tools)
1084 libudev = dependency('libudev',
1085 method: 'pkg-config',
1086 required: get_option('libudev'))
1089 mpathlibs = [libudev]
1090 mpathpersist = not_found
1091 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1092 mpath_test_source = '''
1093 #include <libudev.h>
1094 #include <mpath_persist.h>
1095 unsigned mpath_mx_alloc_len = 1024;
1097 static struct config *multipath_conf;
1098 extern struct udev *udev;
1099 extern struct config *get_multipath_config(void);
1100 extern void put_multipath_config(struct config *conf);
1102 struct config *get_multipath_config(void) { return multipath_conf; }
1103 void put_multipath_config(struct config *conf) { }
1106 multipath_conf = mpath_lib_init();
1109 libmpathpersist = cc.find_library('mpathpersist',
1110 required: get_option('mpath'))
1111 if libmpathpersist.found()
1112 mpathlibs += libmpathpersist
1113 if get_option('prefer_static')
1114 mpathlibs += cc.find_library('devmapper',
1115 required: get_option('mpath'))
1117 mpathlibs += cc.find_library('multipath',
1118 required: get_option('mpath'))
1119 foreach lib: mpathlibs
1125 if mpathlibs.length() == 0
1126 msg = 'Dependencies missing for libmpathpersist'
1127 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1128 mpathpersist = declare_dependency(dependencies: mpathlibs)
1130 msg = 'Cannot detect libmpathpersist API'
1132 if not mpathpersist.found()
1133 if get_option('mpath').enabled()
1136 warning(msg + ', disabling')
1144 if have_system and get_option('curses').allowed()
1146 #if defined(__APPLE__) || defined(__OpenBSD__)
1147 #define _XOPEN_SOURCE_EXTENDED 1
1154 setlocale(LC_ALL, "");
1156 addwstr(L"wide chars\n");
1158 add_wch(WACS_DEGREE);
1162 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1163 curses = dependency(curses_dep_list,
1165 method: 'pkg-config')
1166 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1167 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1169 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1170 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1171 version: curses.version())
1173 msg = 'curses package not usable'
1177 if not curses.found()
1178 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1179 if targetos != 'windows' and not has_curses_h
1180 message('Trying with /usr/include/ncursesw')
1181 curses_compile_args += ['-I/usr/include/ncursesw']
1182 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1185 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1186 foreach curses_libname : curses_libname_list
1187 libcurses = cc.find_library(curses_libname,
1189 if libcurses.found()
1190 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1191 curses = declare_dependency(compile_args: curses_compile_args,
1192 dependencies: [libcurses])
1195 msg = 'curses library not usable'
1201 if get_option('iconv').allowed()
1202 foreach link_args : [ ['-liconv'], [] ]
1203 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1204 # We need to use libiconv if available because mixing libiconv's headers with
1205 # the system libc does not work.
1206 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1207 # included in the command line and libiconv will not be found.
1211 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1212 return conv != (iconv_t) -1;
1213 }''', args: link_args, dependencies: glib)
1214 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1219 if curses.found() and not iconv.found()
1220 if get_option('iconv').enabled()
1221 error('iconv not available')
1223 msg = 'iconv required for curses UI but not available'
1226 if not curses.found() and msg != ''
1227 if get_option('curses').enabled()
1230 warning(msg + ', disabling')
1236 if not get_option('brlapi').auto() or have_system
1237 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1238 required: get_option('brlapi'))
1239 if brlapi.found() and not cc.links('''
1242 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1244 if get_option('brlapi').enabled()
1245 error('could not link brlapi')
1247 warning('could not link brlapi, disabling')
1253 if not get_option('sdl').auto() or have_system
1254 sdl = dependency('sdl2', required: get_option('sdl'))
1255 sdl_image = not_found
1258 # Some versions of SDL have problems with -Wundef
1259 if not cc.compiles('''
1261 #include <SDL_syswm.h>
1262 int main(int argc, char *argv[]) { return 0; }
1263 ''', dependencies: sdl, args: '-Werror=undef')
1264 sdl = declare_dependency(compile_args: '-Wno-undef',
1266 version: sdl.version())
1268 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1269 method: 'pkg-config')
1271 if get_option('sdl_image').enabled()
1272 error('sdl-image required, but SDL was @0@'.format(
1273 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1275 sdl_image = not_found
1279 if not get_option('rbd').auto() or have_block
1280 librados = cc.find_library('rados', required: get_option('rbd'))
1281 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1282 required: get_option('rbd'))
1283 if librados.found() and librbd.found()
1286 #include <rbd/librbd.h>
1289 rados_create(&cluster, NULL);
1290 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1294 }''', dependencies: [librbd, librados])
1295 rbd = declare_dependency(dependencies: [librbd, librados])
1296 elif get_option('rbd').enabled()
1297 error('librbd >= 1.12.0 required')
1299 warning('librbd >= 1.12.0 not found, disabling')
1304 glusterfs = not_found
1305 glusterfs_ftruncate_has_stat = false
1306 glusterfs_iocb_has_stat = false
1307 if not get_option('glusterfs').auto() or have_block
1308 glusterfs = dependency('glusterfs-api', version: '>=3',
1309 required: get_option('glusterfs'),
1310 method: 'pkg-config')
1311 if glusterfs.found()
1312 glusterfs_ftruncate_has_stat = cc.links('''
1313 #include <glusterfs/api/glfs.h>
1318 /* new glfs_ftruncate() passes two additional args */
1319 return glfs_ftruncate(NULL, 0, NULL, NULL);
1321 ''', dependencies: glusterfs)
1322 glusterfs_iocb_has_stat = cc.links('''
1323 #include <glusterfs/api/glfs.h>
1325 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1327 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1333 glfs_io_cbk iocb = &glusterfs_iocb;
1334 iocb(NULL, 0 , NULL, NULL, NULL);
1337 ''', dependencies: glusterfs)
1342 if not get_option('libssh').auto() or have_block
1343 libssh = dependency('libssh', version: '>=0.8.7',
1344 method: 'pkg-config',
1345 required: get_option('libssh'))
1348 libbzip2 = not_found
1349 if not get_option('bzip2').auto() or have_block
1350 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1351 required: get_option('bzip2'))
1352 if libbzip2.found() and not cc.links('''
1354 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1355 libbzip2 = not_found
1356 if get_option('bzip2').enabled()
1357 error('could not link libbzip2')
1359 warning('could not link libbzip2, disabling')
1364 liblzfse = not_found
1365 if not get_option('lzfse').auto() or have_block
1366 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1367 required: get_option('lzfse'))
1369 if liblzfse.found() and not cc.links('''
1371 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1372 liblzfse = not_found
1373 if get_option('lzfse').enabled()
1374 error('could not link liblzfse')
1376 warning('could not link liblzfse, disabling')
1381 if get_option('oss').allowed() and have_system
1382 if not cc.has_header('sys/soundcard.h')
1384 elif targetos == 'netbsd'
1385 oss = cc.find_library('ossaudio', required: get_option('oss'))
1387 oss = declare_dependency()
1391 if get_option('oss').enabled()
1392 error('OSS not found')
1397 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1398 if cc.has_header('dsound.h')
1399 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1402 if not dsound.found()
1403 if get_option('dsound').enabled()
1404 error('DirectSound not found')
1409 coreaudio = not_found
1410 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1411 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1412 required: get_option('coreaudio'))
1416 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1417 epoxy = dependency('epoxy', method: 'pkg-config',
1418 required: get_option('opengl'))
1419 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1421 elif get_option('opengl').enabled()
1422 error('epoxy/egl.h not found')
1426 if (have_system or have_tools) and (virgl.found() or opengl.found())
1427 gbm = dependency('gbm', method: 'pkg-config', required: false)
1429 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1432 gnutls_crypto = not_found
1433 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1434 # For general TLS support our min gnutls matches
1435 # that implied by our platform support matrix
1437 # For the crypto backends, we look for a newer
1440 # Version 3.6.8 is needed to get XTS
1441 # Version 3.6.13 is needed to get PBKDF
1442 # Version 3.6.14 is needed to get HW accelerated XTS
1444 # If newer enough gnutls isn't available, we can
1445 # still use a different crypto backend to satisfy
1446 # the platform support requirements
1447 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1448 method: 'pkg-config',
1450 if gnutls_crypto.found()
1451 gnutls = gnutls_crypto
1453 # Our min version if all we need is TLS
1454 gnutls = dependency('gnutls', version: '>=3.5.18',
1455 method: 'pkg-config',
1456 required: get_option('gnutls'))
1460 # We prefer use of gnutls for crypto, unless the options
1461 # explicitly asked for nettle or gcrypt.
1463 # If gnutls isn't available for crypto, then we'll prefer
1464 # gcrypt over nettle for performance reasons.
1470 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1471 error('Only one of gcrypt & nettle can be enabled')
1474 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1475 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1476 gnutls_crypto = not_found
1479 if not gnutls_crypto.found()
1480 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1481 gcrypt = dependency('libgcrypt', version: '>=1.8',
1482 method: 'config-tool',
1483 required: get_option('gcrypt'))
1484 # Debian has removed -lgpg-error from libgcrypt-config
1485 # as it "spreads unnecessary dependencies" which in
1486 # turn breaks static builds...
1487 if gcrypt.found() and get_option('prefer_static')
1488 gcrypt = declare_dependency(dependencies:
1490 cc.find_library('gpg-error', required: true)],
1491 version: gcrypt.version())
1494 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1495 nettle = dependency('nettle', version: '>=3.4',
1496 method: 'pkg-config',
1497 required: get_option('nettle'))
1498 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1504 gmp = dependency('gmp', required: false, method: 'pkg-config')
1505 if nettle.found() and gmp.found()
1506 hogweed = dependency('hogweed', version: '>=3.4',
1507 method: 'pkg-config',
1508 required: get_option('nettle'))
1515 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1517 if not get_option('gtk').auto() or have_system
1518 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1519 method: 'pkg-config',
1520 required: get_option('gtk'))
1522 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1523 method: 'pkg-config',
1525 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1526 version: gtk.version())
1528 if not get_option('vte').auto() or have_system
1529 vte = dependency('vte-2.91',
1530 method: 'pkg-config',
1531 required: get_option('vte'))
1533 elif have_gtk_clipboard
1534 error('GTK clipboard requested, but GTK not found')
1540 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1543 if get_option('png').allowed() and have_system
1544 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1545 method: 'pkg-config')
1550 if get_option('vnc').allowed() and have_system
1551 vnc = declare_dependency() # dummy dependency
1552 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1553 method: 'pkg-config')
1554 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1555 required: get_option('vnc_sasl'))
1557 sasl = declare_dependency(dependencies: sasl,
1558 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1563 if not get_option('auth_pam').auto() or have_system
1564 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1565 required: get_option('auth_pam'))
1567 if pam.found() and not cc.links('''
1569 #include <security/pam_appl.h>
1571 const char *service_name = "qemu";
1572 const char *user = "frank";
1573 const struct pam_conv pam_conv = { 0 };
1574 pam_handle_t *pamh = NULL;
1575 pam_start(service_name, user, &pam_conv, &pamh);
1577 }''', dependencies: pam)
1579 if get_option('auth_pam').enabled()
1580 error('could not link libpam')
1582 warning('could not link libpam, disabling')
1587 if not get_option('snappy').auto() or have_system
1588 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1589 required: get_option('snappy'))
1591 if snappy.found() and not cc.links('''
1592 #include <snappy-c.h>
1593 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1595 if get_option('snappy').enabled()
1596 error('could not link libsnappy')
1598 warning('could not link libsnappy, disabling')
1603 if not get_option('lzo').auto() or have_system
1604 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1605 required: get_option('lzo'))
1607 if lzo.found() and not cc.links('''
1608 #include <lzo/lzo1x.h>
1609 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1611 if get_option('lzo').enabled()
1612 error('could not link liblzo2')
1614 warning('could not link liblzo2, disabling')
1619 if not get_option('numa').auto() or have_system or have_tools
1620 numa = cc.find_library('numa', has_headers: ['numa.h'],
1621 required: get_option('numa'))
1623 if numa.found() and not cc.links('''
1625 int main(void) { return numa_available(); }
1626 ''', dependencies: numa)
1628 if get_option('numa').enabled()
1629 error('could not link numa')
1631 warning('could not link numa, disabling')
1636 if not get_option('rdma').auto() or have_system
1637 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1638 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1639 required: get_option('rdma')),
1640 cc.find_library('ibverbs', required: get_option('rdma')),
1642 rdma = declare_dependency(dependencies: rdma_libs)
1643 foreach lib: rdma_libs
1651 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1652 xencontrol = dependency('xencontrol', required: false,
1653 method: 'pkg-config')
1654 if xencontrol.found()
1655 xen_pc = declare_dependency(version: xencontrol.version(),
1658 # disabler: true makes xen_pc.found() return false if any is not found
1659 dependency('xenstore', required: false,
1660 method: 'pkg-config',
1662 dependency('xenforeignmemory', required: false,
1663 method: 'pkg-config',
1665 dependency('xengnttab', required: false,
1666 method: 'pkg-config',
1668 dependency('xenevtchn', required: false,
1669 method: 'pkg-config',
1671 dependency('xendevicemodel', required: false,
1672 method: 'pkg-config',
1674 # optional, no "disabler: true"
1675 dependency('xentoolcore', required: false,
1676 method: 'pkg-config')])
1682 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1684 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1685 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1686 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1687 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1688 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691 foreach ver: xen_tests
1692 # cache the various library tests to avoid polluting the logs
1694 foreach l: xen_libs[ver]
1695 if l not in xen_deps
1696 xen_deps += { l: cc.find_library(l, required: false) }
1698 xen_test_deps += xen_deps[l]
1701 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1702 xen_version = ver.split('.')
1703 xen_ctrl_version = xen_version[0] + \
1704 ('0' + xen_version[1]).substring(-2) + \
1705 ('0' + xen_version[2]).substring(-2)
1706 if cc.links(files('scripts/xen-detect.c'),
1707 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1708 dependencies: xen_test_deps)
1709 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1715 accelerators += 'CONFIG_XEN'
1716 elif get_option('xen').enabled()
1717 error('could not compile and link Xen test program')
1720 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1721 .require(xen.found(),
1722 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1723 .require(targetos == 'linux',
1724 error_message: 'Xen PCI passthrough not available on this platform') \
1725 .require(cpu == 'x86' or cpu == 'x86_64',
1726 error_message: 'Xen PCI passthrough not available on this platform') \
1731 if not get_option('smartcard').auto() or have_system
1732 cacard = dependency('libcacard', required: get_option('smartcard'),
1733 version: '>=2.5.1', method: 'pkg-config')
1737 u2f = dependency('u2f-emu', required: get_option('u2f'),
1738 method: 'pkg-config')
1742 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1743 method: 'pkg-config')
1745 usbredir = not_found
1746 if not get_option('usb_redir').auto() or have_system
1747 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1748 version: '>=0.6', method: 'pkg-config')
1751 if not get_option('libusb').auto() or have_system
1752 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1753 version: '>=1.0.13', method: 'pkg-config')
1757 if not get_option('libpmem').auto() or have_system
1758 libpmem = dependency('libpmem', required: get_option('libpmem'),
1759 method: 'pkg-config')
1761 libdaxctl = not_found
1762 if not get_option('libdaxctl').auto() or have_system
1763 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1764 version: '>=57', method: 'pkg-config')
1768 tasn1 = dependency('libtasn1',
1769 method: 'pkg-config')
1771 keyutils = not_found
1772 if get_option('keyring').enabled()
1773 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1776 has_gettid = cc.has_function('gettid')
1779 selinux = dependency('libselinux',
1780 required: get_option('selinux'),
1781 method: 'pkg-config')
1786 if get_option('malloc') == 'system'
1788 get_option('malloc_trim').allowed() and \
1789 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1791 has_malloc_trim = false
1792 malloc = cc.find_library(get_option('malloc'), required: true)
1794 if not has_malloc_trim and get_option('malloc_trim').enabled()
1795 if get_option('malloc') == 'system'
1796 error('malloc_trim not available on this platform.')
1798 error('malloc_trim not available with non-libc memory allocator')
1802 gnu_source_prefix = '''
1808 # Check whether the glibc provides STATX_BASIC_STATS
1810 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1812 # Check whether statx() provides mount ID information
1814 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1816 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1817 .require(targetos == 'linux',
1818 error_message: 'vhost_user_blk_server requires linux') \
1819 .require(have_vhost_user,
1820 error_message: 'vhost_user_blk_server requires vhost-user support') \
1821 .disable_auto_if(not have_tools and not have_system) \
1824 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1825 error('Cannot enable fuse-lseek while fuse is disabled')
1828 fuse = dependency('fuse3', required: get_option('fuse'),
1829 version: '>=3.1', method: 'pkg-config')
1831 fuse_lseek = not_found
1832 if get_option('fuse_lseek').allowed()
1833 if fuse.version().version_compare('>=3.8')
1835 fuse_lseek = declare_dependency()
1836 elif get_option('fuse_lseek').enabled()
1838 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1840 error('fuse-lseek requires libfuse, which was not found')
1845 have_libvduse = (targetos == 'linux')
1846 if get_option('libvduse').enabled()
1847 if targetos != 'linux'
1848 error('libvduse requires linux')
1850 elif get_option('libvduse').disabled()
1851 have_libvduse = false
1854 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1855 if get_option('vduse_blk_export').enabled()
1856 if targetos != 'linux'
1857 error('vduse_blk_export requires linux')
1858 elif not have_libvduse
1859 error('vduse_blk_export requires libvduse support')
1861 elif get_option('vduse_blk_export').disabled()
1862 have_vduse_blk_export = false
1866 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1867 if libbpf.found() and not cc.links('''
1868 #include <bpf/libbpf.h>
1871 bpf_object__destroy_skeleton(NULL);
1873 }''', dependencies: libbpf)
1875 if get_option('bpf').enabled()
1876 error('libbpf skeleton test failed')
1878 warning('libbpf skeleton test failed, disabling')
1884 if not get_option('libdw').auto() or \
1885 (not get_option('prefer_static') and (have_system or have_user))
1886 libdw = dependency('libdw',
1887 method: 'pkg-config',
1888 required: get_option('libdw'))
1895 audio_drivers_selected = []
1897 audio_drivers_available = {
1898 'alsa': alsa.found(),
1899 'coreaudio': coreaudio.found(),
1900 'dsound': dsound.found(),
1901 'jack': jack.found(),
1903 'pa': pulse.found(),
1904 'pipewire': pipewire.found(),
1906 'sndio': sndio.found(),
1908 foreach k, v: audio_drivers_available
1909 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1912 # Default to native drivers first, OSS second, SDL third
1913 audio_drivers_priority = \
1914 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1915 (targetos == 'linux' ? [] : [ 'sdl' ])
1916 audio_drivers_default = []
1917 foreach k: audio_drivers_priority
1918 if audio_drivers_available[k]
1919 audio_drivers_default += k
1923 foreach k: get_option('audio_drv_list')
1925 audio_drivers_selected += audio_drivers_default
1926 elif not audio_drivers_available[k]
1927 error('Audio driver "@0@" not available.'.format(k))
1929 audio_drivers_selected += k
1933 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1934 '"' + '", "'.join(audio_drivers_selected) + '", ')
1936 if get_option('cfi')
1938 # Check for dependency on LTO
1939 if not get_option('b_lto')
1940 error('Selected Control-Flow Integrity but LTO is disabled')
1943 error('Selected Control-Flow Integrity is not compatible with modules')
1945 # Check for cfi flags. CFI requires LTO so we can't use
1946 # get_supported_arguments, but need a more complex "compiles" which allows
1948 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1949 args: ['-flto', '-fsanitize=cfi-icall'] )
1950 cfi_flags += '-fsanitize=cfi-icall'
1952 error('-fsanitize=cfi-icall is not supported by the compiler')
1954 if cc.compiles('int main () { return 0; }',
1955 name: '-fsanitize-cfi-icall-generalize-pointers',
1956 args: ['-flto', '-fsanitize=cfi-icall',
1957 '-fsanitize-cfi-icall-generalize-pointers'] )
1958 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1960 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1962 if get_option('cfi_debug')
1963 if cc.compiles('int main () { return 0; }',
1964 name: '-fno-sanitize-trap=cfi-icall',
1965 args: ['-flto', '-fsanitize=cfi-icall',
1966 '-fno-sanitize-trap=cfi-icall'] )
1967 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1969 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1972 add_global_arguments(cfi_flags, native: false, language: all_languages)
1973 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1976 have_host_block_device = (targetos != 'darwin' or
1977 cc.has_header('IOKit/storage/IOMedia.h'))
1979 dbus_display = get_option('dbus_display') \
1980 .require(gio.version().version_compare('>=2.64'),
1981 error_message: '-display dbus requires glib>=2.64') \
1982 .require(gdbus_codegen.found(),
1983 error_message: gdbus_codegen_error.format('-display dbus')) \
1986 have_virtfs = get_option('virtfs') \
1987 .require(targetos == 'linux' or targetos == 'darwin',
1988 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1989 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1990 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1991 .require(targetos == 'darwin' or libattr.found(),
1992 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1993 .disable_auto_if(not have_tools and not have_system) \
1996 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1997 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1998 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1999 .disable_auto_if(not have_tools) \
2000 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2003 if get_option('block_drv_ro_whitelist') == ''
2004 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2006 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2007 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2009 if get_option('block_drv_rw_whitelist') == ''
2010 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2012 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2013 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2016 foreach k : get_option('trace_backends')
2017 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2019 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2020 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2022 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2024 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2025 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2026 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2027 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2028 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2030 qemu_firmwarepath = ''
2031 foreach k : get_option('qemu_firmwarepath')
2032 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2034 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2036 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2037 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2038 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2039 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2040 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2041 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2044 config_host_data.set('CONFIG_STAMP', run_command(
2045 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2046 meson.project_version(), get_option('pkgversion'), '--',
2047 meson.current_source_dir() / 'configure',
2048 capture: true, check: true).stdout().strip())
2051 have_slirp_smbd = get_option('slirp_smbd') \
2052 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2055 smbd_path = get_option('smbd')
2057 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2059 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2062 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2064 if get_option('module_upgrades') and not enable_modules
2065 error('Cannot enable module-upgrades as modules are not enabled')
2067 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2069 config_host_data.set('CONFIG_ATTR', libattr.found())
2070 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2071 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2072 config_host_data.set('CONFIG_COCOA', cocoa.found())
2073 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2074 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2075 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2076 config_host_data.set('CONFIG_LZO', lzo.found())
2077 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2078 config_host_data.set('CONFIG_BLKIO', blkio.found())
2080 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2081 blkio.version().version_compare('>=1.3.0'))
2083 config_host_data.set('CONFIG_CURL', curl.found())
2084 config_host_data.set('CONFIG_CURSES', curses.found())
2085 config_host_data.set('CONFIG_GBM', gbm.found())
2086 config_host_data.set('CONFIG_GIO', gio.found())
2087 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2088 if glusterfs.found()
2089 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2090 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2091 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2092 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2093 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2094 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2096 config_host_data.set('CONFIG_GTK', gtk.found())
2097 config_host_data.set('CONFIG_VTE', vte.found())
2098 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2099 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2100 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2101 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2102 config_host_data.set('CONFIG_EBPF', libbpf.found())
2103 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2104 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2105 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2106 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2107 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2108 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2109 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2110 config_host_data.set('CONFIG_MODULES', enable_modules)
2111 config_host_data.set('CONFIG_NUMA', numa.found())
2113 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2114 cc.has_function('numa_has_preferred_many',
2115 dependencies: numa))
2117 config_host_data.set('CONFIG_OPENGL', opengl.found())
2118 config_host_data.set('CONFIG_RBD', rbd.found())
2119 config_host_data.set('CONFIG_RDMA', rdma.found())
2120 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2121 config_host_data.set('CONFIG_SDL', sdl.found())
2122 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2123 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2125 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2127 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2128 config_host_data.set('CONFIG_TPM', have_tpm)
2129 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2130 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2131 config_host_data.set('CONFIG_VDE', vde.found())
2132 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2133 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2134 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2135 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2136 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2137 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2138 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2139 config_host_data.set('CONFIG_VMNET', vmnet.found())
2140 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2141 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2142 config_host_data.set('CONFIG_PNG', png.found())
2143 config_host_data.set('CONFIG_VNC', vnc.found())
2144 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2145 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2146 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2147 config_host_data.set('CONFIG_VTE', vte.found())
2148 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2149 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2150 config_host_data.set('CONFIG_GETTID', has_gettid)
2151 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2152 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2153 config_host_data.set('CONFIG_TASN1', tasn1.found())
2154 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2155 config_host_data.set('CONFIG_NETTLE', nettle.found())
2156 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2157 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2158 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2159 config_host_data.set('CONFIG_STATX', has_statx)
2160 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2161 config_host_data.set('CONFIG_ZSTD', zstd.found())
2162 config_host_data.set('CONFIG_FUSE', fuse.found())
2163 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2164 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2165 if spice_protocol.found()
2166 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2167 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2168 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2170 config_host_data.set('CONFIG_SPICE', spice.found())
2171 config_host_data.set('CONFIG_X11', x11.found())
2172 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2173 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2174 config_host_data.set('CONFIG_SELINUX', selinux.found())
2175 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2176 config_host_data.set('CONFIG_LIBDW', libdw.found())
2178 # protect from xen.version() having less than three components
2179 xen_version = xen.version().split('.') + ['0', '0']
2180 xen_ctrl_version = xen_version[0] + \
2181 ('0' + xen_version[1]).substring(-2) + \
2182 ('0' + xen_version[2]).substring(-2)
2183 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2185 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2186 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2187 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2188 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2190 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2191 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2193 have_coroutine_pool = get_option('coroutine_pool')
2194 if get_option('debug_stack_usage') and have_coroutine_pool
2195 message('Disabling coroutine pool to measure stack usage')
2196 have_coroutine_pool = false
2198 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2199 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2200 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2201 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2202 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2203 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2204 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2205 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2208 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2209 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2210 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2211 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2212 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2213 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2214 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2215 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2216 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2217 if targetos == 'windows'
2218 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2222 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2223 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2224 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2225 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2226 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2227 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2228 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2229 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2230 # Note that we need to specify prefix: here to avoid incorrectly
2231 # thinking that Windows has posix_memalign()
2232 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2233 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2234 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2235 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2236 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2237 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2238 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2239 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2240 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2241 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2242 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2243 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2244 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2245 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2246 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2247 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2248 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2249 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2251 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2252 cc.has_function('rbd_namespace_exists',
2254 prefix: '#include <rbd/librbd.h>'))
2257 config_host_data.set('HAVE_IBV_ADVISE_MR',
2258 cc.has_function('ibv_advise_mr',
2260 prefix: '#include <infiniband/verbs.h>'))
2263 have_asan_fiber = false
2264 if get_option('sanitizers') and \
2265 not cc.has_function('__sanitizer_start_switch_fiber',
2266 args: '-fsanitize=address',
2267 prefix: '#include <sanitizer/asan_interface.h>')
2268 warning('Missing ASAN due to missing fiber annotation interface')
2269 warning('Without code annotation, the report may be inferior.')
2271 have_asan_fiber = true
2273 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2276 config_host_data.set('CONFIG_BLKZONED',
2277 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2278 config_host_data.set('CONFIG_EPOLL_CREATE1',
2279 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2280 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2281 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2282 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2283 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2284 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2285 config_host_data.set('CONFIG_FIEMAP',
2286 cc.has_header('linux/fiemap.h') and
2287 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2288 config_host_data.set('CONFIG_GETRANDOM',
2289 cc.has_function('getrandom') and
2290 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2291 config_host_data.set('CONFIG_INOTIFY',
2292 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2293 config_host_data.set('CONFIG_INOTIFY1',
2294 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2295 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2296 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2297 config_host_data.set('CONFIG_RTNETLINK',
2298 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2299 config_host_data.set('CONFIG_SYSMACROS',
2300 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2301 config_host_data.set('HAVE_OPTRESET',
2302 cc.has_header_symbol('getopt.h', 'optreset'))
2303 config_host_data.set('HAVE_IPPROTO_MPTCP',
2304 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2307 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2308 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2309 prefix: '#include <signal.h>'))
2310 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2311 cc.has_member('struct stat', 'st_atim',
2312 prefix: '#include <sys/stat.h>'))
2313 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2314 cc.has_member('struct blk_zone', 'capacity',
2315 prefix: '#include <linux/blkzoned.h>'))
2318 config_host_data.set('CONFIG_IOVEC',
2319 cc.has_type('struct iovec',
2320 prefix: '#include <sys/uio.h>'))
2321 config_host_data.set('HAVE_UTMPX',
2322 cc.has_type('struct utmpx',
2323 prefix: '#include <utmpx.h>'))
2325 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2326 #include <sys/eventfd.h>
2327 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2328 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2331 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2332 return fdatasync(0);
2334 #error Not supported
2338 has_madvise = cc.links(gnu_source_prefix + '''
2339 #include <sys/types.h>
2340 #include <sys/mman.h>
2342 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2343 missing_madvise_proto = false
2345 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2346 # but forget to prototype it. In this case, has_madvise will be true (the
2347 # test program links despite a compile warning). To detect the
2348 # missing-prototype case, we try again with a definitely-bogus prototype.
2349 # This will only compile if the system headers don't provide the prototype;
2350 # otherwise the conflicting prototypes will cause a compiler error.
2351 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2352 #include <sys/types.h>
2353 #include <sys/mman.h>
2355 extern int madvise(int);
2356 int main(void) { return madvise(0); }''')
2358 config_host_data.set('CONFIG_MADVISE', has_madvise)
2359 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2361 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2362 #include <sys/mman.h>
2363 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2364 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2366 #if !defined(AT_EMPTY_PATH)
2367 # error missing definition
2369 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2371 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2372 #include <sys/mman.h>
2374 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2376 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2377 #include <pthread.h>
2379 static void *f(void *p) { return NULL; }
2383 pthread_create(&thread, 0, f, 0);
2384 pthread_setname_np(thread, "QEMU");
2386 }''', dependencies: threads))
2387 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2388 #include <pthread.h>
2390 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2394 pthread_create(&thread, 0, f, 0);
2396 }''', dependencies: threads))
2397 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2398 #include <pthread.h>
2399 #include <pthread_np.h>
2401 static void *f(void *p) { return NULL; }
2405 pthread_create(&thread, 0, f, 0);
2406 pthread_set_name_np(thread, "QEMU");
2408 }''', dependencies: threads))
2409 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2410 #include <pthread.h>
2415 pthread_condattr_t attr
2416 pthread_condattr_init(&attr);
2417 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2419 }''', dependencies: threads))
2420 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2421 #include <pthread.h>
2423 static void *f(void *p) { return NULL; }
2426 int setsize = CPU_ALLOC_SIZE(64);
2429 pthread_create(&thread, 0, f, 0);
2430 cpuset = CPU_ALLOC(64);
2431 CPU_ZERO_S(setsize, cpuset);
2432 pthread_setaffinity_np(thread, setsize, cpuset);
2433 pthread_getaffinity_np(thread, setsize, cpuset);
2436 }''', dependencies: threads))
2437 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2438 #include <sys/signalfd.h>
2440 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2441 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2449 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2450 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2454 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2455 #include <sys/mman.h>
2457 return mlockall(MCL_FUTURE);
2461 if get_option('l2tpv3').allowed() and have_system
2462 have_l2tpv3 = cc.has_type('struct mmsghdr',
2463 prefix: gnu_source_prefix + '''
2464 #include <sys/socket.h>
2465 #include <linux/ip.h>''')
2467 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2470 if get_option('netmap').allowed() and have_system
2471 have_netmap = cc.compiles('''
2472 #include <inttypes.h>
2474 #include <net/netmap.h>
2475 #include <net/netmap_user.h>
2476 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2479 int main(void) { return 0; }''')
2480 if not have_netmap and get_option('netmap').enabled()
2481 error('Netmap headers not available')
2484 config_host_data.set('CONFIG_NETMAP', have_netmap)
2486 # Work around a system header bug with some kernel/XFS header
2487 # versions where they both try to define 'struct fsxattr':
2488 # xfs headers will not try to redefine structs from linux headers
2489 # if this macro is set.
2490 config_host_data.set('HAVE_FSXATTR', cc.links('''
2491 #include <linux/fs.h>
2497 # Some versions of Mac OS X incorrectly define SIZE_MAX
2498 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2502 return printf("%zu", SIZE_MAX);
2503 }''', args: ['-Werror']))
2505 # See if 64-bit atomic operations are supported.
2506 # Note that without __atomic builtins, we can only
2507 # assume atomic loads/stores max at pointer size.
2508 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2512 uint64_t x = 0, y = 0;
2513 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2514 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2515 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2516 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2517 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2521 has_int128_type = cc.compiles('''
2524 int main(void) { b = a; }''')
2525 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2527 has_int128 = has_int128_type and cc.links('''
2536 config_host_data.set('CONFIG_INT128', has_int128)
2539 # "do we have 128-bit atomics which are handled inline and specifically not
2540 # via libatomic". The reason we can't use libatomic is documented in the
2541 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2542 # We only care about these operations on 16-byte aligned pointers, so
2543 # force 16-byte alignment of the pointer, which may be greater than
2544 # __alignof(unsigned __int128) for the host.
2545 atomic_test_128 = '''
2546 int main(int ac, char **av) {
2547 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2548 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2549 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2550 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2553 has_atomic128 = cc.links(atomic_test_128)
2555 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2557 if not has_atomic128
2558 # Even with __builtin_assume_aligned, the above test may have failed
2559 # without optimization enabled. Try again with optimizations locally
2560 # enabled for the function. See
2561 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2562 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2563 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2565 if not has_atomic128_opt
2566 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2569 __uint128_t x = 0, y = 0;
2570 __sync_val_compare_and_swap_16(&x, y, x);
2578 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2579 #include <sys/auxv.h>
2581 return getauxval(AT_HWCAP) == 0;
2584 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2585 #include <linux/usbdevice_fs.h>
2587 #ifndef USBDEVFS_GET_CAPABILITIES
2588 #error "USBDEVFS_GET_CAPABILITIES undefined"
2591 #ifndef USBDEVFS_DISCONNECT_CLAIM
2592 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2595 int main(void) { return 0; }'''))
2597 have_keyring = get_option('keyring') \
2598 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2599 .require(cc.compiles('''
2601 #include <asm/unistd.h>
2602 #include <linux/keyctl.h>
2603 #include <sys/syscall.h>
2606 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2607 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2608 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2610 have_cpuid_h = cc.links('''
2613 unsigned a, b, c, d;
2614 unsigned max = __get_cpuid_max(0, 0);
2617 __cpuid(1, a, b, c, d);
2621 __cpuid_count(7, 0, a, b, c, d);
2626 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2628 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2629 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2630 .require(cc.links('''
2632 #include <immintrin.h>
2633 static int __attribute__((target("avx2"))) bar(void *a) {
2634 __m256i x = *(__m256i *)a;
2635 return _mm256_testz_si256(x, x);
2637 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2638 '''), error_message: 'AVX2 not available').allowed())
2640 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2641 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2642 .require(cc.links('''
2644 #include <immintrin.h>
2645 static int __attribute__((target("avx512f"))) bar(void *a) {
2646 __m512i x = *(__m512i *)a;
2647 return _mm512_test_epi64_mask(x, x);
2649 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2650 '''), error_message: 'AVX512F not available').allowed())
2652 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2653 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2654 .require(cc.links('''
2656 #include <immintrin.h>
2657 static int __attribute__((target("avx512bw"))) bar(void *a) {
2659 __m512i res= _mm512_abs_epi8(*x);
2662 int main(int argc, char *argv[]) { return bar(argv[0]); }
2663 '''), error_message: 'AVX512BW not available').allowed())
2665 # For both AArch64 and AArch32, detect if builtins are available.
2666 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2667 #include <arm_neon.h>
2668 #ifndef __ARM_FEATURE_AES
2669 __attribute__((target("+crypto")))
2671 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2674 have_pvrdma = get_option('pvrdma') \
2675 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2676 .require(cc.compiles(gnu_source_prefix + '''
2677 #include <sys/mman.h>
2682 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2685 }'''), error_message: 'PVRDMA requires mremap').allowed()
2688 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2689 #include <infiniband/verbs.h>
2693 struct ibv_pd *pd = NULL;
2699 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2705 if get_option('membarrier').disabled()
2706 have_membarrier = false
2707 elif targetos == 'windows'
2708 have_membarrier = true
2709 elif targetos == 'linux'
2710 have_membarrier = cc.compiles('''
2711 #include <linux/membarrier.h>
2712 #include <sys/syscall.h>
2716 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2717 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2721 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2722 .require(have_membarrier, error_message: 'membarrier system call not available') \
2725 have_afalg = get_option('crypto_afalg') \
2726 .require(cc.compiles(gnu_source_prefix + '''
2728 #include <sys/types.h>
2729 #include <sys/socket.h>
2730 #include <linux/if_alg.h>
2733 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2736 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2737 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2739 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2740 'linux/vm_sockets.h', 'AF_VSOCK',
2741 prefix: '#include <sys/socket.h>',
2745 have_vss_sdk = false # old xp/2003 SDK
2746 if targetos == 'windows' and 'cpp' in all_languages
2747 have_vss = cxx.compiles('''
2748 #define __MIDL_user_allocate_free_DEFINED__
2750 int main(void) { return VSS_CTX_BACKUP; }''')
2751 have_vss_sdk = cxx.has_header('vscoordint.h')
2753 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2755 foreach k, v: config_host
2756 if k.startswith('CONFIG_')
2757 config_host_data.set(k, v == 'y' ? 1 : v)
2761 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2762 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2763 if targetos == 'windows'
2764 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2770 }''', name: '_lock_file and _unlock_file'))
2773 if targetos == 'windows'
2774 mingw_has_setjmp_longjmp = cc.links('''
2778 * These functions are not available in setjmp header, but may be
2779 * available at link time, from libmingwex.a.
2781 extern int __mingw_setjmp(jmp_buf);
2782 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2784 __mingw_setjmp(env);
2785 __mingw_longjmp(env, 0);
2787 ''', name: 'mingw setjmp and longjmp')
2789 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2790 error('mingw must provide setjmp/longjmp for windows-arm64')
2794 ########################
2795 # Target configuration #
2796 ########################
2798 minikconf = find_program('scripts/minikconf.py')
2800 config_all_devices = {}
2801 config_all_disas = {}
2802 config_devices_mak_list = []
2803 config_devices_h = {}
2804 config_target_h = {}
2805 config_target_mak = {}
2808 'alpha' : ['CONFIG_ALPHA_DIS'],
2809 'avr' : ['CONFIG_AVR_DIS'],
2810 'cris' : ['CONFIG_CRIS_DIS'],
2811 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2812 'hppa' : ['CONFIG_HPPA_DIS'],
2813 'i386' : ['CONFIG_I386_DIS'],
2814 'x86_64' : ['CONFIG_I386_DIS'],
2815 'm68k' : ['CONFIG_M68K_DIS'],
2816 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2817 'mips' : ['CONFIG_MIPS_DIS'],
2818 'nios2' : ['CONFIG_NIOS2_DIS'],
2819 'or1k' : ['CONFIG_OPENRISC_DIS'],
2820 'ppc' : ['CONFIG_PPC_DIS'],
2821 'riscv' : ['CONFIG_RISCV_DIS'],
2822 'rx' : ['CONFIG_RX_DIS'],
2823 's390' : ['CONFIG_S390_DIS'],
2824 'sh4' : ['CONFIG_SH4_DIS'],
2825 'sparc' : ['CONFIG_SPARC_DIS'],
2826 'xtensa' : ['CONFIG_XTENSA_DIS'],
2827 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2830 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2832 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2833 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2834 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2835 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2836 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2837 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2838 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2839 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2840 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2841 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2842 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2843 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2844 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2845 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2847 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2849 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2850 actual_target_dirs = []
2852 foreach target : target_dirs
2853 config_target = { 'TARGET_NAME': target.split('-')[0] }
2854 if target.endswith('linux-user')
2855 if targetos != 'linux'
2859 error('Target @0@ is only available on a Linux host'.format(target))
2861 config_target += { 'CONFIG_LINUX_USER': 'y' }
2862 elif target.endswith('bsd-user')
2863 if 'CONFIG_BSD' not in config_host
2867 error('Target @0@ is only available on a BSD host'.format(target))
2869 config_target += { 'CONFIG_BSD_USER': 'y' }
2870 elif target.endswith('softmmu')
2871 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2872 config_target += { 'CONFIG_SOFTMMU': 'y' }
2874 if target.endswith('-user')
2876 'CONFIG_USER_ONLY': 'y',
2877 'CONFIG_QEMU_INTERP_PREFIX':
2878 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2883 foreach sym: accelerators
2884 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2885 config_target += { sym: 'y' }
2886 config_all += { sym: 'y' }
2887 if target in modular_tcg
2888 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2890 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2892 accel_kconfig += [ sym + '=y' ]
2895 if accel_kconfig.length() == 0
2899 error('No accelerator available for target @0@'.format(target))
2902 actual_target_dirs += target
2903 config_target += keyval.load('configs/targets' / target + '.mak')
2904 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2906 if 'TARGET_NEED_FDT' in config_target
2907 fdt_required += target
2911 if 'TARGET_BASE_ARCH' not in config_target
2912 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2914 if 'TARGET_ABI_DIR' not in config_target
2915 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2917 if 'TARGET_BIG_ENDIAN' not in config_target
2918 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2921 foreach k, v: disassemblers
2922 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2924 config_target += { sym: 'y' }
2925 config_all_disas += { sym: 'y' }
2930 config_target_data = configuration_data()
2931 foreach k, v: config_target
2932 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2934 elif ignored.contains(k)
2936 elif k == 'TARGET_BASE_ARCH'
2937 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2938 # not used to select files from sourcesets.
2939 config_target_data.set('TARGET_' + v.to_upper(), 1)
2940 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2941 config_target_data.set_quoted(k, v)
2943 config_target_data.set(k, 1)
2945 config_target_data.set(k, 0)
2947 config_target_data.set(k, v)
2950 config_target_data.set('QEMU_ARCH',
2951 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2952 config_target_h += {target: configure_file(output: target + '-config-target.h',
2953 configuration: config_target_data)}
2955 if target.endswith('-softmmu')
2956 config_input = meson.get_external_property(target, 'default')
2957 config_devices_mak = target + '-config-devices.mak'
2958 config_devices_mak = configure_file(
2959 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2960 output: config_devices_mak,
2961 depfile: config_devices_mak + '.d',
2963 command: [minikconf,
2964 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2965 config_devices_mak, '@DEPFILE@', '@INPUT@',
2966 host_kconfig, accel_kconfig,
2967 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2969 config_devices_data = configuration_data()
2970 config_devices = keyval.load(config_devices_mak)
2971 foreach k, v: config_devices
2972 config_devices_data.set(k, 1)
2974 config_devices_mak_list += config_devices_mak
2975 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2976 configuration: config_devices_data)}
2977 config_target += config_devices
2978 config_all_devices += config_devices
2980 config_target_mak += {target: config_target}
2982 target_dirs = actual_target_dirs
2984 # This configuration is used to build files that are shared by
2985 # multiple binaries, and then extracted out of the "common"
2986 # static_library target.
2988 # We do not use all_sources()/all_dependencies(), because it would
2989 # build literally all source files, including devices only used by
2990 # targets that are not built for this compilation. The CONFIG_ALL
2991 # pseudo symbol replaces it.
2993 config_all += config_all_devices
2994 config_all += config_host
2995 config_all += config_all_disas
2997 'CONFIG_XEN': xen.found(),
2998 'CONFIG_SYSTEM_ONLY': have_system,
2999 'CONFIG_USER_ONLY': have_user,
3003 target_configs_h = []
3004 foreach target: target_dirs
3005 target_configs_h += config_target_h[target]
3006 target_configs_h += config_devices_h.get(target, [])
3008 genh += custom_target('config-poison.h',
3009 input: [target_configs_h],
3010 output: 'config-poison.h',
3012 command: [find_program('scripts/make-config-poison.sh'),
3019 capstone = not_found
3020 if not get_option('capstone').auto() or have_system or have_user
3021 capstone = dependency('capstone', version: '>=3.0.5',
3022 method: 'pkg-config',
3023 required: get_option('capstone'))
3025 # Some versions of capstone have broken pkg-config file
3026 # that reports a wrong -I path, causing the #include to
3027 # fail later. If the system has such a broken version
3029 if capstone.found() and not cc.compiles('#include <capstone.h>',
3030 dependencies: [capstone])
3031 capstone = not_found
3032 if get_option('capstone').enabled()
3033 error('capstone requested, but it does not appear to work')
3038 libvfio_user_dep = not_found
3039 if have_system and vfio_user_server_allowed
3040 libvfio_user_proj = subproject('libvfio-user', required: true)
3041 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3045 fdt_opt = get_option('fdt')
3046 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3047 if fdt_opt == 'disabled'
3048 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3051 if fdt_opt in ['enabled', 'auto', 'system']
3052 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3053 if fdt.found() and cc.links('''
3055 #include <libfdt_env.h>
3056 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3059 elif fdt_opt == 'system'
3060 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3062 fdt_opt = 'internal'
3067 assert(fdt_opt == 'internal')
3068 libfdt_proj = subproject('dtc', required: true,
3069 default_options: ['tools=false', 'yaml=disabled',
3070 'python=disabled', 'default_library=static'])
3071 fdt = libfdt_proj.get_variable('libfdt_dep')
3074 fdt_opt = 'disabled'
3077 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3078 config_host_data.set('CONFIG_FDT', fdt.found())
3079 config_host_data.set('CONFIG_SLIRP', slirp.found())
3081 #####################
3082 # Generated sources #
3083 #####################
3085 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3087 hxtool = find_program('scripts/hxtool')
3088 shaderinclude = find_program('scripts/shaderinclude.py')
3089 qapi_gen = find_program('scripts/qapi-gen.py')
3090 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3091 meson.current_source_dir() / 'scripts/qapi/commands.py',
3092 meson.current_source_dir() / 'scripts/qapi/common.py',
3093 meson.current_source_dir() / 'scripts/qapi/error.py',
3094 meson.current_source_dir() / 'scripts/qapi/events.py',
3095 meson.current_source_dir() / 'scripts/qapi/expr.py',
3096 meson.current_source_dir() / 'scripts/qapi/gen.py',
3097 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3098 meson.current_source_dir() / 'scripts/qapi/main.py',
3099 meson.current_source_dir() / 'scripts/qapi/parser.py',
3100 meson.current_source_dir() / 'scripts/qapi/schema.py',
3101 meson.current_source_dir() / 'scripts/qapi/source.py',
3102 meson.current_source_dir() / 'scripts/qapi/types.py',
3103 meson.current_source_dir() / 'scripts/qapi/visit.py',
3104 meson.current_source_dir() / 'scripts/qapi-gen.py'
3108 python, files('scripts/tracetool.py'),
3109 '--backend=' + ','.join(get_option('trace_backends'))
3111 tracetool_depends = files(
3112 'scripts/tracetool/backend/log.py',
3113 'scripts/tracetool/backend/__init__.py',
3114 'scripts/tracetool/backend/dtrace.py',
3115 'scripts/tracetool/backend/ftrace.py',
3116 'scripts/tracetool/backend/simple.py',
3117 'scripts/tracetool/backend/syslog.py',
3118 'scripts/tracetool/backend/ust.py',
3119 'scripts/tracetool/format/ust_events_c.py',
3120 'scripts/tracetool/format/ust_events_h.py',
3121 'scripts/tracetool/format/__init__.py',
3122 'scripts/tracetool/format/d.py',
3123 'scripts/tracetool/format/simpletrace_stap.py',
3124 'scripts/tracetool/format/c.py',
3125 'scripts/tracetool/format/h.py',
3126 'scripts/tracetool/format/log_stap.py',
3127 'scripts/tracetool/format/stap.py',
3128 'scripts/tracetool/__init__.py',
3129 'scripts/tracetool/vcpu.py'
3132 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3133 meson.current_source_dir(),
3134 get_option('pkgversion'), meson.project_version()]
3135 qemu_version = custom_target('qemu-version.h',
3136 output: 'qemu-version.h',
3137 command: qemu_version_cmd,
3139 build_by_default: true,
3140 build_always_stale: true)
3141 genh += qemu_version
3145 ['qemu-options.hx', 'qemu-options.def'],
3146 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3150 ['hmp-commands.hx', 'hmp-commands.h'],
3151 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3154 foreach d : hx_headers
3155 hxdep += custom_target(d[1],
3159 build_by_default: true, # to be removed when added to a target
3160 command: [hxtool, '-h', '@INPUT0@'])
3168 authz_ss = ss.source_set()
3169 blockdev_ss = ss.source_set()
3170 block_ss = ss.source_set()
3171 chardev_ss = ss.source_set()
3172 common_ss = ss.source_set()
3173 crypto_ss = ss.source_set()
3174 hwcore_ss = ss.source_set()
3175 io_ss = ss.source_set()
3176 qmp_ss = ss.source_set()
3177 qom_ss = ss.source_set()
3178 system_ss = ss.source_set()
3179 specific_fuzz_ss = ss.source_set()
3180 specific_ss = ss.source_set()
3181 stub_ss = ss.source_set()
3182 trace_ss = ss.source_set()
3183 user_ss = ss.source_set()
3184 util_ss = ss.source_set()
3187 qtest_module_ss = ss.source_set()
3188 tcg_module_ss = ss.source_set()
3194 target_softmmu_arch = {}
3195 target_user_arch = {}
3201 # TODO: add each directory to the subdirs from its own meson.build, once
3203 trace_events_subdirs = [
3212 trace_events_subdirs += [ 'linux-user' ]
3215 trace_events_subdirs += [ 'bsd-user' ]
3218 trace_events_subdirs += [
3227 trace_events_subdirs += [
3241 'hw/block/dataplane',
3291 if have_system or have_user
3292 trace_events_subdirs += [
3310 vhost_user = not_found
3311 if targetos == 'linux' and have_vhost_user
3312 libvhost_user = subproject('libvhost-user')
3313 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3316 libvduse = not_found
3318 libvduse_proj = subproject('libvduse')
3319 libvduse = libvduse_proj.get_variable('libvduse_dep')
3322 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3323 # that is filled in by qapi/.
3337 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3338 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3341 qom_ss = qom_ss.apply(config_host, strict: false)
3342 libqom = static_library('qom', qom_ss.sources() + genh,
3343 dependencies: [qom_ss.dependencies()],
3345 qom = declare_dependency(link_whole: libqom)
3347 event_loop_base = files('event-loop-base.c')
3348 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3349 build_by_default: true)
3350 event_loop_base = declare_dependency(link_whole: event_loop_base,
3351 dependencies: [qom])
3353 stub_ss = stub_ss.apply(config_all, strict: false)
3355 util_ss.add_all(trace_ss)
3356 util_ss = util_ss.apply(config_all, strict: false)
3357 libqemuutil = static_library('qemuutil',
3358 sources: util_ss.sources() + stub_ss.sources() + genh,
3359 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3360 qemuutil = declare_dependency(link_with: libqemuutil,
3361 sources: genh + version_res,
3362 dependencies: [event_loop_base])
3364 if have_system or have_user
3365 decodetree = generator(find_program('scripts/decodetree.py'),
3366 output: 'decode-@BASENAME@.c.inc',
3367 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3368 subdir('libdecnumber')
3385 if config_host_data.get('CONFIG_REPLICATION')
3386 block_ss.add(files('replication.c'))
3393 blockdev_ss.add(files(
3400 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3401 # os-win32.c does not
3402 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3403 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3406 common_ss.add(files('cpus-common.c'))
3407 specific_ss.add(files('cpu.c'))
3411 # Work around a gcc bug/misfeature wherein constant propagation looks
3413 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3414 # to guess that a const variable is always zero. Without lto, this is
3415 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3416 # without lto, not even the alias is required -- we simply use different
3417 # declarations in different compilation units.
3418 pagevary = files('page-vary-common.c')
3419 if get_option('b_lto')
3420 pagevary_flags = ['-fno-lto']
3421 if get_option('cfi')
3422 pagevary_flags += '-fno-sanitize=cfi-icall'
3424 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3425 c_args: pagevary_flags)
3426 pagevary = declare_dependency(link_with: pagevary)
3428 common_ss.add(pagevary)
3429 specific_ss.add(files('page-vary.c'))
3437 subdir('semihosting')
3445 common_user_inc = []
3447 subdir('common-user')
3449 subdir('linux-user')
3451 # needed for fuzzing binaries
3452 subdir('tests/qtest/libqos')
3453 subdir('tests/qtest/fuzz')
3456 tcg_real_module_ss = ss.source_set()
3457 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3458 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3459 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3460 'tcg': tcg_real_module_ss }}
3462 ########################
3463 # Library dependencies #
3464 ########################
3466 modinfo_collect = find_program('scripts/modinfo-collect.py')
3467 modinfo_generate = find_program('scripts/modinfo-generate.py')
3472 foreach d, list : modules
3473 if not (d == 'block' ? have_block : have_system)
3477 foreach m, module_ss : list
3479 module_ss = module_ss.apply(config_all, strict: false)
3480 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3481 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3487 if module_ss.sources() != []
3488 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3489 # input. Sources can be used multiple times but objects are
3490 # unique when it comes to lookup in compile_commands.json.
3491 # Depnds on a mesion version with
3492 # https://github.com/mesonbuild/meson/pull/8900
3493 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3494 output: d + '-' + m + '.modinfo',
3495 input: module_ss.sources() + genh,
3497 command: [modinfo_collect, module_ss.sources()])
3501 block_ss.add_all(module_ss)
3503 system_ss.add_all(module_ss)
3509 foreach d, list : target_modules
3510 foreach m, module_ss : list
3512 foreach target : target_dirs
3513 if target.endswith('-softmmu')
3514 config_target = config_target_mak[target]
3515 config_target += config_host
3516 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3517 c_args = ['-DNEED_CPU_H',
3518 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3519 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3520 target_module_ss = module_ss.apply(config_target, strict: false)
3521 if target_module_ss.sources() != []
3522 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3523 sl = static_library(module_name,
3524 [genh, target_module_ss.sources()],
3525 dependencies: [modulecommon, target_module_ss.dependencies()],
3526 include_directories: target_inc,
3530 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3531 modinfo_files += custom_target(module_name + '.modinfo',
3532 output: module_name + '.modinfo',
3533 input: target_module_ss.sources() + genh,
3535 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3540 specific_ss.add_all(module_ss)
3546 foreach target : target_dirs
3547 if target.endswith('-softmmu')
3548 config_target = config_target_mak[target]
3549 config_devices_mak = target + '-config-devices.mak'
3550 modinfo_src = custom_target('modinfo-' + target + '.c',
3551 output: 'modinfo-' + target + '.c',
3552 input: modinfo_files,
3553 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3556 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3557 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3559 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3560 hw_arch[arch].add(modinfo_dep)
3565 nm = find_program('nm')
3566 undefsym = find_program('scripts/undefsym.py')
3567 block_syms = custom_target('block.syms', output: 'block.syms',
3568 input: [libqemuutil, block_mods],
3570 command: [undefsym, nm, '@INPUT@'])
3571 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3572 input: [libqemuutil, softmmu_mods],
3574 command: [undefsym, nm, '@INPUT@'])
3576 authz_ss = authz_ss.apply(config_host, strict: false)
3577 libauthz = static_library('authz', authz_ss.sources() + genh,
3578 dependencies: [authz_ss.dependencies()],
3580 build_by_default: false)
3582 authz = declare_dependency(link_whole: libauthz,
3585 crypto_ss = crypto_ss.apply(config_host, strict: false)
3586 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3587 dependencies: [crypto_ss.dependencies()],
3589 build_by_default: false)
3591 crypto = declare_dependency(link_whole: libcrypto,
3592 dependencies: [authz, qom])
3594 io_ss = io_ss.apply(config_host, strict: false)
3595 libio = static_library('io', io_ss.sources() + genh,
3596 dependencies: [io_ss.dependencies()],
3597 link_with: libqemuutil,
3599 build_by_default: false)
3601 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3603 libmigration = static_library('migration', sources: migration_files + genh,
3605 build_by_default: false)
3606 migration = declare_dependency(link_with: libmigration,
3607 dependencies: [zlib, qom, io])
3608 system_ss.add(migration)
3610 block_ss = block_ss.apply(config_host, strict: false)
3611 libblock = static_library('block', block_ss.sources() + genh,
3612 dependencies: block_ss.dependencies(),
3613 link_depends: block_syms,
3615 build_by_default: false)
3617 block = declare_dependency(link_whole: [libblock],
3618 link_args: '@block.syms',
3619 dependencies: [crypto, io])
3621 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3622 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3623 dependencies: blockdev_ss.dependencies(),
3625 build_by_default: false)
3627 blockdev = declare_dependency(link_whole: [libblockdev],
3628 dependencies: [block, event_loop_base])
3630 qmp_ss = qmp_ss.apply(config_host, strict: false)
3631 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3632 dependencies: qmp_ss.dependencies(),
3634 build_by_default: false)
3636 qmp = declare_dependency(link_whole: [libqmp])
3638 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3640 dependencies: chardev_ss.dependencies(),
3641 build_by_default: false)
3643 chardev = declare_dependency(link_whole: libchardev)
3645 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3646 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3648 build_by_default: false)
3649 hwcore = declare_dependency(link_whole: libhwcore)
3650 common_ss.add(hwcore)
3656 emulator_modules = []
3657 foreach m : block_mods + softmmu_mods
3658 emulator_modules += shared_module(m.name(),
3659 build_by_default: true,
3663 install_dir: qemu_moddir)
3665 if emulator_modules.length() > 0
3666 alias_target('modules', emulator_modules)
3669 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3670 common_ss.add(qom, qemuutil)
3672 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3673 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3675 common_all = common_ss.apply(config_all, strict: false)
3676 common_all = static_library('common',
3677 build_by_default: false,
3678 sources: common_all.sources() + genh,
3679 include_directories: common_user_inc,
3680 implicit_include_directories: false,
3681 dependencies: common_all.dependencies(),
3684 feature_to_c = find_program('scripts/feature_to_c.sh')
3686 if targetos == 'darwin'
3687 entitlement = find_program('scripts/entitlement.sh')
3691 foreach target : target_dirs
3692 config_target = config_target_mak[target]
3693 target_name = config_target['TARGET_NAME']
3694 target_base_arch = config_target['TARGET_BASE_ARCH']
3695 arch_srcs = [config_target_h[target]]
3697 c_args = ['-DNEED_CPU_H',
3698 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3699 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3700 link_args = emulator_link_args
3702 config_target += config_host
3703 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3704 if targetos == 'linux'
3705 target_inc += include_directories('linux-headers', is_system: true)
3707 if target.endswith('-softmmu')
3708 target_type='system'
3709 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3710 arch_srcs += t.sources()
3711 arch_deps += t.dependencies()
3713 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3714 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3715 arch_srcs += hw.sources()
3716 arch_deps += hw.dependencies()
3718 arch_srcs += config_devices_h[target]
3719 link_args += ['@block.syms', '@qemu.syms']
3721 abi = config_target['TARGET_ABI_DIR']
3723 target_inc += common_user_inc
3724 if target_base_arch in target_user_arch
3725 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3726 arch_srcs += t.sources()
3727 arch_deps += t.dependencies()
3729 if 'CONFIG_LINUX_USER' in config_target
3730 base_dir = 'linux-user'
3732 if 'CONFIG_BSD_USER' in config_target
3733 base_dir = 'bsd-user'
3734 target_inc += include_directories('bsd-user/' / targetos)
3735 target_inc += include_directories('bsd-user/host/' / host_arch)
3736 dir = base_dir / abi
3737 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3739 target_inc += include_directories(
3743 if 'CONFIG_LINUX_USER' in config_target
3744 dir = base_dir / abi
3745 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3746 if config_target.has_key('TARGET_SYSTBL_ABI')
3748 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3749 extra_args : config_target['TARGET_SYSTBL_ABI'])
3754 if 'TARGET_XML_FILES' in config_target
3755 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3756 output: target + '-gdbstub-xml.c',
3757 input: files(config_target['TARGET_XML_FILES'].split()),
3758 command: [feature_to_c, '@INPUT@'],
3760 arch_srcs += gdbstub_xml
3763 t = target_arch[target_base_arch].apply(config_target, strict: false)
3764 arch_srcs += t.sources()
3765 arch_deps += t.dependencies()
3767 target_common = common_ss.apply(config_target, strict: false)
3768 objects = common_all.extract_objects(target_common.sources())
3769 deps = target_common.dependencies()
3771 target_specific = specific_ss.apply(config_target, strict: false)
3772 arch_srcs += target_specific.sources()
3773 arch_deps += target_specific.dependencies()
3775 lib = static_library('qemu-' + target,
3776 sources: arch_srcs + genh,
3777 dependencies: arch_deps,
3779 include_directories: target_inc,
3781 build_by_default: false,
3784 if target.endswith('-softmmu')
3786 'name': 'qemu-system-' + target_name,
3787 'win_subsystem': 'console',
3788 'sources': files('softmmu/main.c'),
3791 if targetos == 'windows' and (sdl.found() or gtk.found())
3793 'name': 'qemu-system-' + target_name + 'w',
3794 'win_subsystem': 'windows',
3795 'sources': files('softmmu/main.c'),
3799 if get_option('fuzzing')
3800 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3802 'name': 'qemu-fuzz-' + target_name,
3803 'win_subsystem': 'console',
3804 'sources': specific_fuzz.sources(),
3805 'dependencies': specific_fuzz.dependencies(),
3810 'name': 'qemu-' + target_name,
3811 'win_subsystem': 'console',
3817 exe_name = exe['name']
3818 if targetos == 'darwin'
3819 exe_name += '-unsigned'
3822 emulator = executable(exe_name, exe['sources'],
3825 dependencies: arch_deps + deps + exe['dependencies'],
3826 objects: lib.extract_all_objects(recursive: true),
3827 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3828 link_args: link_args,
3829 win_subsystem: exe['win_subsystem'])
3831 if targetos == 'darwin'
3832 icon = 'pc-bios/qemu.rsrc'
3833 build_input = [emulator, files(icon)]
3835 get_option('bindir') / exe_name,
3836 meson.current_source_dir() / icon
3838 if 'CONFIG_HVF' in config_target
3839 entitlements = 'accel/hvf/entitlements.plist'
3840 build_input += files(entitlements)
3841 install_input += meson.current_source_dir() / entitlements
3844 emulators += {exe['name'] : custom_target(exe['name'],
3846 output: exe['name'],
3847 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3850 meson.add_install_script(entitlement, '--install',
3851 get_option('bindir') / exe['name'],
3854 emulators += {exe['name']: emulator}
3859 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3860 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3861 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3862 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3864 custom_target(exe['name'] + stp['ext'],
3865 input: trace_events_all,
3866 output: exe['name'] + stp['ext'],
3867 install: stp['install'],
3868 install_dir: get_option('datadir') / 'systemtap/tapset',
3870 tracetool, '--group=all', '--format=' + stp['fmt'],
3871 '--binary=' + stp['bin'],
3872 '--target-name=' + target_name,
3873 '--target-type=' + target_type,
3874 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3875 '@INPUT@', '@OUTPUT@'
3877 depend_files: tracetool_depends)
3883 # Other build targets
3885 if 'CONFIG_PLUGIN' in config_host
3886 install_headers('include/qemu/qemu-plugin.h')
3891 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3892 # when we don't build tools or system
3893 if xkbcommon.found()
3894 # used for the update-keymaps target, so include rules even if !have_tools
3895 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3896 dependencies: [qemuutil, xkbcommon], install: have_tools)
3900 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3901 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3902 qemu_io = executable('qemu-io', files('qemu-io.c'),
3903 dependencies: [block, qemuutil], install: true)
3904 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3905 dependencies: [blockdev, qemuutil, gnutls, selinux],
3908 subdir('storage-daemon')
3909 subdir('contrib/rdmacm-mux')
3910 subdir('contrib/elf2dmp')
3912 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3913 dependencies: qemuutil,
3917 subdir('contrib/vhost-user-blk')
3918 subdir('contrib/vhost-user-gpu')
3919 subdir('contrib/vhost-user-input')
3920 subdir('contrib/vhost-user-scsi')
3923 if targetos == 'linux'
3924 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3925 dependencies: [qemuutil, libcap_ng],
3927 install_dir: get_option('libexecdir'))
3929 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3930 dependencies: [authz, crypto, io, qom, qemuutil,
3931 libcap_ng, mpathpersist],
3936 subdir('contrib/ivshmem-client')
3937 subdir('contrib/ivshmem-server')
3950 if host_machine.system() == 'windows'
3952 find_program('scripts/nsis.py'),
3954 get_option('prefix'),
3955 meson.current_source_dir(),
3956 glib_pc.get_variable('bindir'),
3959 '-DDISPLAYVERSION=' + meson.project_version(),
3962 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3965 nsis_cmd += '-DCONFIG_GTK=y'
3968 nsis = custom_target('nsis',
3969 output: 'qemu-setup-' + meson.project_version() + '.exe',
3970 input: files('qemu.nsi'),
3971 build_always_stale: true,
3972 command: nsis_cmd + ['@INPUT@'])
3973 alias_target('installer', nsis)
3976 #########################
3977 # Configuration summary #
3978 #########################
3982 summary_info += {'Build directory': meson.current_build_dir()}
3983 summary_info += {'Source path': meson.current_source_dir()}
3984 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3985 summary(summary_info, bool_yn: true, section: 'Build environment')
3988 summary_info += {'Install prefix': get_option('prefix')}
3989 summary_info += {'BIOS directory': qemu_datadir}
3990 pathsep = targetos == 'windows' ? ';' : ':'
3991 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3992 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3993 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3994 summary_info += {'module directory': qemu_moddir}
3995 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3996 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3997 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3998 if targetos != 'windows'
3999 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4000 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4002 summary_info += {'local state directory': 'queried at runtime'}
4004 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4005 summary(summary_info, bool_yn: true, section: 'Directories')
4009 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4010 summary_info += {'sphinx-build': sphinx_build}
4011 if config_host.has_key('HAVE_GDB_BIN')
4012 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4014 summary_info += {'iasl': iasl}
4015 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4016 if targetos == 'windows' and have_ga
4017 summary_info += {'wixl': wixl}
4019 if slirp.found() and have_system
4020 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4022 summary(summary_info, bool_yn: true, section: 'Host binaries')
4024 # Configurable features
4026 summary_info += {'Documentation': build_docs}
4027 summary_info += {'system-mode emulation': have_system}
4028 summary_info += {'user-mode emulation': have_user}
4029 summary_info += {'block layer': have_block}
4030 summary_info += {'Install blobs': get_option('install_blobs')}
4031 summary_info += {'module support': enable_modules}
4033 summary_info += {'alternative module path': get_option('module_upgrades')}
4035 summary_info += {'fuzzing support': get_option('fuzzing')}
4037 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4039 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4040 if 'simple' in get_option('trace_backends')
4041 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4043 summary_info += {'D-Bus display': dbus_display}
4044 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4045 summary_info += {'vhost-kernel support': have_vhost_kernel}
4046 summary_info += {'vhost-net support': have_vhost_net}
4047 summary_info += {'vhost-user support': have_vhost_user}
4048 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4049 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4050 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4051 summary_info += {'build guest agent': have_ga}
4052 summary(summary_info, bool_yn: true, section: 'Configurable features')
4054 # Compilation information
4056 summary_info += {'host CPU': cpu}
4057 summary_info += {'host endianness': build_machine.endian()}
4058 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4059 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4060 if 'cpp' in all_languages
4061 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4063 summary_info += {'C++ compiler': false}
4065 if targetos == 'darwin'
4066 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4068 option_cflags = (get_option('debug') ? ['-g'] : [])
4069 if get_option('optimization') != 'plain'
4070 option_cflags += ['-O' + get_option('optimization')]
4072 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4073 if 'cpp' in all_languages
4074 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4076 if targetos == 'darwin'
4077 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4079 link_args = get_option('c_link_args')
4080 if link_args.length() > 0
4081 summary_info += {'LDFLAGS': ' '.join(link_args)}
4083 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4084 if 'cpp' in all_languages
4085 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4087 if 'objc' in all_languages
4088 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4090 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4091 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4092 summary_info += {'PIE': get_option('b_pie')}
4093 summary_info += {'static build': get_option('prefer_static')}
4094 summary_info += {'malloc trim support': has_malloc_trim}
4095 summary_info += {'membarrier': have_membarrier}
4096 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4097 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4098 summary_info += {'mutex debugging': get_option('debug_mutex')}
4099 summary_info += {'memory allocator': get_option('malloc')}
4100 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4101 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4102 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4103 if get_option('gprof')
4104 gprof_info = 'YES (deprecated)'
4106 gprof_info = get_option('gprof')
4108 summary_info += {'gprof': gprof_info}
4109 summary_info += {'gcov': get_option('b_coverage')}
4110 summary_info += {'thread sanitizer': get_option('tsan')}
4111 summary_info += {'CFI support': get_option('cfi')}
4112 if get_option('cfi')
4113 summary_info += {'CFI debug support': get_option('cfi_debug')}
4115 summary_info += {'strip binaries': get_option('strip')}
4116 summary_info += {'sparse': sparse}
4117 summary_info += {'mingw32 support': targetos == 'windows'}
4118 summary(summary_info, bool_yn: true, section: 'Compilation')
4120 # snarf the cross-compilation information for tests
4123 foreach target: target_dirs
4124 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4125 if fs.exists(tcg_mak)
4126 config_cross_tcg = keyval.load(tcg_mak)
4127 if 'CC' in config_cross_tcg
4128 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4134 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4137 # Targets and accelerators
4140 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4141 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4142 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4143 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4144 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4145 summary_info += {'Xen support': xen.found()}
4147 summary_info += {'xen ctrl version': xen.version()}
4149 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4151 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4152 if config_all.has_key('CONFIG_TCG')
4153 if get_option('tcg_interpreter')
4154 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4156 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4158 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4159 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4161 summary_info += {'target list': ' '.join(target_dirs)}
4163 summary_info += {'default devices': get_option('default_devices')}
4164 summary_info += {'out of process emulation': multiprocess_allowed}
4165 summary_info += {'vfio-user server': vfio_user_server_allowed}
4167 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4171 summary_info += {'coroutine backend': coroutine_backend}
4172 summary_info += {'coroutine pool': have_coroutine_pool}
4174 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4175 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4176 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4177 summary_info += {'VirtFS (9P) support': have_virtfs}
4178 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4179 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4180 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4181 summary_info += {'bochs support': get_option('bochs').allowed()}
4182 summary_info += {'cloop support': get_option('cloop').allowed()}
4183 summary_info += {'dmg support': get_option('dmg').allowed()}
4184 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4185 summary_info += {'vdi support': get_option('vdi').allowed()}
4186 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4187 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4188 summary_info += {'vpc support': get_option('vpc').allowed()}
4189 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4190 summary_info += {'qed support': get_option('qed').allowed()}
4191 summary_info += {'parallels support': get_option('parallels').allowed()}
4192 summary_info += {'FUSE exports': fuse}
4193 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4195 summary(summary_info, bool_yn: true, section: 'Block layer support')
4199 summary_info += {'TLS priority': get_option('tls_priority')}
4200 summary_info += {'GNUTLS support': gnutls}
4202 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4204 summary_info += {'libgcrypt': gcrypt}
4205 summary_info += {'nettle': nettle}
4207 summary_info += {' XTS': xts != 'private'}
4209 summary_info += {'AF_ALG support': have_afalg}
4210 summary_info += {'rng-none': get_option('rng_none')}
4211 summary_info += {'Linux keyring': have_keyring}
4212 summary(summary_info, bool_yn: true, section: 'Crypto')
4216 if targetos == 'darwin'
4217 summary_info += {'Cocoa support': cocoa}
4219 summary_info += {'SDL support': sdl}
4220 summary_info += {'SDL image support': sdl_image}
4221 summary_info += {'GTK support': gtk}
4222 summary_info += {'pixman': pixman}
4223 summary_info += {'VTE support': vte}
4224 summary_info += {'PNG support': png}
4225 summary_info += {'VNC support': vnc}
4227 summary_info += {'VNC SASL support': sasl}
4228 summary_info += {'VNC JPEG support': jpeg}
4230 summary_info += {'spice protocol support': spice_protocol}
4231 if spice_protocol.found()
4232 summary_info += {' spice server support': spice}
4234 summary_info += {'curses support': curses}
4235 summary_info += {'brlapi support': brlapi}
4236 summary(summary_info, bool_yn: true, section: 'User interface')
4240 if targetos not in ['darwin', 'haiku', 'windows']
4241 summary_info += {'OSS support': oss}
4242 summary_info += {'sndio support': sndio}
4243 elif targetos == 'darwin'
4244 summary_info += {'CoreAudio support': coreaudio}
4245 elif targetos == 'windows'
4246 summary_info += {'DirectSound support': dsound}
4248 if targetos == 'linux'
4249 summary_info += {'ALSA support': alsa}
4250 summary_info += {'PulseAudio support': pulse}
4252 summary_info += {'Pipewire support': pipewire}
4253 summary_info += {'JACK support': jack}
4254 summary(summary_info, bool_yn: true, section: 'Audio backends')
4258 if targetos == 'darwin'
4259 summary_info += {'vmnet.framework support': vmnet}
4261 summary_info += {'slirp support': slirp}
4262 summary_info += {'vde support': vde}
4263 summary_info += {'netmap support': have_netmap}
4264 summary_info += {'l2tpv3 support': have_l2tpv3}
4265 summary(summary_info, bool_yn: true, section: 'Network backends')
4269 summary_info += {'libtasn1': tasn1}
4270 summary_info += {'PAM': pam}
4271 summary_info += {'iconv support': iconv}
4272 summary_info += {'virgl support': virgl}
4273 summary_info += {'blkio support': blkio}
4274 summary_info += {'curl support': curl}
4275 summary_info += {'Multipath support': mpathpersist}
4276 summary_info += {'Linux AIO support': libaio}
4277 summary_info += {'Linux io_uring support': linux_io_uring}
4278 summary_info += {'ATTR/XATTR support': libattr}
4279 summary_info += {'RDMA support': rdma}
4280 summary_info += {'PVRDMA support': have_pvrdma}
4281 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4282 summary_info += {'libcap-ng support': libcap_ng}
4283 summary_info += {'bpf support': libbpf}
4284 summary_info += {'rbd support': rbd}
4285 summary_info += {'smartcard support': cacard}
4286 summary_info += {'U2F support': u2f}
4287 summary_info += {'libusb': libusb}
4288 summary_info += {'usb net redir': usbredir}
4289 summary_info += {'OpenGL support (epoxy)': opengl}
4290 summary_info += {'GBM': gbm}
4291 summary_info += {'libiscsi support': libiscsi}
4292 summary_info += {'libnfs support': libnfs}
4293 if targetos == 'windows'
4295 summary_info += {'QGA VSS support': have_qga_vss}
4298 summary_info += {'seccomp support': seccomp}
4299 summary_info += {'GlusterFS support': glusterfs}
4300 summary_info += {'TPM support': have_tpm}
4301 summary_info += {'libssh support': libssh}
4302 summary_info += {'lzo support': lzo}
4303 summary_info += {'snappy support': snappy}
4304 summary_info += {'bzip2 support': libbzip2}
4305 summary_info += {'lzfse support': liblzfse}
4306 summary_info += {'zstd support': zstd}
4307 summary_info += {'NUMA host support': numa}
4308 summary_info += {'capstone': capstone}
4309 summary_info += {'libpmem support': libpmem}
4310 summary_info += {'libdaxctl support': libdaxctl}
4311 summary_info += {'libudev': libudev}
4312 # Dummy dependency, keep .found()
4313 summary_info += {'FUSE lseek': fuse_lseek.found()}
4314 summary_info += {'selinux': selinux}
4315 summary_info += {'libdw': libdw}
4316 summary(summary_info, bool_yn: true, section: 'Dependencies')
4318 if not supported_cpus.contains(cpu)
4320 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4322 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4323 message('The QEMU project intends to remove support for this host CPU in')
4324 message('a future release if nobody volunteers to maintain it and to')
4325 message('provide a build host for our continuous integration setup.')
4326 message('configure has succeeded and you can continue to build, but')
4327 message('if you care about QEMU on this platform you should contact')
4328 message('us upstream at qemu-devel@nongnu.org.')
4331 if not supported_oses.contains(targetos)
4333 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4335 message('Host OS ' + targetos + 'support is not currently maintained.')
4336 message('The QEMU project intends to remove support for this host OS in')
4337 message('a future release if nobody volunteers to maintain it and to')
4338 message('provide a build host for our continuous integration setup.')
4339 message('configure has succeeded and you can continue to build, but')
4340 message('if you care about QEMU on this platform you should contact')
4341 message('us upstream at qemu-devel@nongnu.org.')