1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 targetos = host_machine.system()
18 sh = find_program('sh')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
21 cc = meson.get_compiler('c')
23 if targetos == 'windows' and add_languages('cpp', required: false, native: false)
24 all_languages += ['cpp']
25 cxx = meson.get_compiler('cpp')
27 if targetos == 'darwin' and \
28 add_languages('objc', required: get_option('cocoa'), native: false)
29 all_languages += ['objc']
30 objc = meson.get_compiler('objc')
33 # Temporary directory used for files created while
34 # configure runs. Since it is in the build directory
35 # we can safely blow away any previous version of it
36 # (and we need not jump through hoops to try to delete
37 # it when configure exits.)
38 tmpdir = meson.current_build_dir() / 'meson-private/temp'
40 if get_option('qemu_suffix').startswith('/')
41 error('qemu_suffix cannot start with a /')
44 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
49 qemu_desktopdir = get_option('datadir') / 'applications'
50 qemu_icondir = get_option('datadir') / 'icons'
52 config_host_data = configuration_data()
54 qapi_trace_events = []
56 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 enable_modules = get_option('modules') \
82 .require(targetos != 'windows',
83 error_message: 'Modules are not available for Windows') \
84 .require(not get_option('prefer_static'),
85 error_message: 'Modules are incompatible with static linking') \
87 have_block = have_system or have_tools
89 python = import('python').find_installation()
91 if cpu not in supported_cpus
97 elif cpu in ['riscv32', 'riscv64']
103 if cpu in ['x86', 'x86_64']
104 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
105 elif cpu == 'aarch64'
106 kvm_targets = ['aarch64-softmmu']
108 kvm_targets = ['s390x-softmmu']
109 elif cpu in ['ppc', 'ppc64']
110 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
111 elif cpu in ['mips', 'mips64']
112 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
113 elif cpu in ['riscv32']
114 kvm_targets = ['riscv32-softmmu']
115 elif cpu in ['riscv64']
116 kvm_targets = ['riscv64-softmmu']
122 if get_option('kvm').allowed() and targetos == 'linux'
123 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
129 if cpu in ['aarch64']
130 accelerator_targets += {
131 'CONFIG_HVF': ['aarch64-softmmu']
135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136 # i386 emulator provides xenpv machine type for multiple architectures
137 accelerator_targets += {
138 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
141 if cpu in ['x86', 'x86_64']
142 accelerator_targets += {
143 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
144 'CONFIG_HVF': ['x86_64-softmmu'],
145 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
146 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
151 # Darwin does not support references to thread-local variables in modules
152 if targetos != 'darwin'
153 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
156 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
157 unpack_edk2_blobs = false
158 foreach target : edk2_targets
159 if target in target_dirs
160 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
161 unpack_edk2_blobs = bzip2.found()
168 if 'dtrace' in get_option('trace_backends')
169 dtrace = find_program('dtrace', required: true)
170 stap = find_program('stap', required: false)
172 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
173 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
174 # instead. QEMU --enable-modules depends on this because the SystemTap
175 # semaphores are linked into the main binary and not the module's shared
177 add_global_arguments('-DSTAP_SDT_V2',
178 native: false, language: all_languages)
182 if get_option('iasl') == ''
183 iasl = find_program('iasl', required: false)
185 iasl = find_program(get_option('iasl'), required: true)
192 foreach lang : all_languages
193 compiler = meson.get_compiler(lang)
194 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
196 elif compiler.get_id() == 'clang' and compiler.compiles('''
197 #ifdef __apple_build_version__
198 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
199 # error You need at least XCode Clang v12.0 to compile QEMU
202 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
203 # error You need at least Clang v10.0 to compile QEMU
208 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
212 # default flags for all hosts
213 # We use -fwrapv to tell the compiler that we require a C dialect where
214 # left shift of signed integers is well defined and has the expected
215 # 2s-complement style results. (Both clang and gcc agree that it
216 # provides these semantics.)
218 qemu_common_flags = [
219 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
220 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
224 if targetos == 'darwin'
225 # Disable attempts to use ObjectiveC features in os/object.h since they
226 # won't work when we're compiling with gcc as a C compiler.
227 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
228 elif targetos == 'solaris'
229 # needed for CMSG_ macros in sys/socket.h
230 qemu_common_flags += '-D_XOPEN_SOURCE=600'
231 # needed for TIOCWIN* defines in termios.h
232 qemu_common_flags += '-D__EXTENSIONS__'
233 elif targetos == 'haiku'
234 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
237 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
238 # use i686 as default anyway, but for those that don't, an explicit
239 # specification is necessary
240 if host_arch == 'i386' and not cc.links('''
241 static int sfaa(int *ptr)
243 return __sync_fetch_and_and(ptr, 0);
249 val = __sync_val_compare_and_swap(&val, 0, 1);
253 qemu_common_flags = ['-march=i486'] + qemu_common_flags
256 if get_option('gprof')
257 qemu_common_flags += ['-p']
258 qemu_ldflags += ['-p']
261 if get_option('prefer_static')
262 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
265 # Meson currently only handles pie as a boolean for now, so if the user
266 # has explicitly disabled PIE we need to extend our cflags.
268 # -no-pie is supposedly a linker flag that has no effect on the compiler
269 # command line, but some distros, that didn't quite know what they were
270 # doing, made local changes to gcc's specs file that turned it into
271 # a compiler command-line flag.
273 # What about linker flags? For a static build, no PIE is implied by -static
274 # which we added above (and if it's not because of the same specs patching,
275 # there's nothing we can do: compilation will fail, report a bug to your
276 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
277 # instead, we can't add -no-pie because it overrides -shared: the linker then
278 # tries to build an executable instead of a shared library and fails. So
279 # don't add -no-pie anywhere and cross fingers. :(
280 if not get_option('b_pie')
281 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
284 if not get_option('stack_protector').disabled()
285 stack_protector_probe = '''
286 int main(int argc, char *argv[])
288 char arr[64], *p = arr, *c = argv[argc - 1];
294 have_stack_protector = false
295 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
296 # We need to check both a compile and a link, since some compiler
297 # setups fail only on a .c->.o compile and some only at link time
298 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
299 cc.links(stack_protector_probe, args: ['-Werror', arg])
300 have_stack_protector = true
306 get_option('stack_protector') \
307 .require(have_stack_protector, error_message: 'Stack protector not supported')
310 coroutine_backend = get_option('coroutine_backend')
312 #include <ucontext.h>
313 #ifdef __stub_makecontext
314 #error Ignoring glibc stub makecontext which will always fail
316 int main(void) { makecontext(0, 0, 0); return 0; }'''
318 # On Windows the only valid backend is the Windows specific one.
319 # For POSIX prefer ucontext, but it's not always possible. The fallback
321 supported_backends = []
322 if targetos == 'windows'
323 supported_backends += ['windows']
325 if targetos != 'darwin' and cc.links(ucontext_probe)
326 supported_backends += ['ucontext']
328 supported_backends += ['sigaltstack']
331 if coroutine_backend == 'auto'
332 coroutine_backend = supported_backends[0]
333 elif coroutine_backend not in supported_backends
334 error('"@0@" backend requested but not available. Available backends: @1@' \
335 .format(coroutine_backend, ', '.join(supported_backends)))
338 # Compiles if SafeStack *not* enabled
339 safe_stack_probe = '''
342 #if defined(__has_feature)
343 #if __has_feature(safe_stack)
344 #error SafeStack Enabled
349 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
350 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
351 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
352 error(get_option('safe_stack') \
353 ? 'SafeStack not supported by your compiler' \
354 : 'Cannot disable SafeStack')
356 qemu_cflags += safe_stack_arg
357 qemu_ldflags += safe_stack_arg
359 if get_option('safe_stack') and coroutine_backend != 'ucontext'
360 error('SafeStack is only supported with the ucontext coroutine backend')
363 if get_option('sanitizers')
364 if cc.has_argument('-fsanitize=address')
365 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
366 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
369 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
370 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
371 args: [qemu_ldflags, '-fsanitize=undefined'])
372 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
373 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
377 # Thread sanitizer is, for now, much noisier than the other sanitizers;
378 # keep it separate until that is not the case.
379 if get_option('tsan')
380 if get_option('sanitizers')
381 error('TSAN is not supported with other sanitizers')
383 if not cc.has_function('__tsan_create_fiber',
384 args: '-fsanitize=thread',
385 prefix: '#include <sanitizer/tsan_interface.h>')
386 error('Cannot enable TSAN due to missing fiber annotation interface')
388 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
389 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
392 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
393 # The combination is known as "full relro", because .got.plt is read-only too.
394 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
396 if targetos == 'windows'
397 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
401 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
402 if targetos != 'sunos' and not get_option('tsan')
403 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
406 if get_option('fuzzing')
407 # Specify a filter to only instrument code that is directly related to
409 configure_file(output: 'instrumentation-filter',
410 input: 'scripts/oss-fuzz/instrumentation-filter-template',
413 if cc.compiles('int main () { return 0; }',
414 name: '-fsanitize-coverage-allowlist=/dev/null',
415 args: ['-fsanitize-coverage-allowlist=/dev/null',
416 '-fsanitize-coverage=trace-pc'] )
417 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
420 if get_option('fuzzing_engine') == ''
421 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
422 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
423 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
424 # unable to bind the fuzzer-related callbacks added by instrumentation.
425 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
426 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
427 # For the actual fuzzer binaries, we need to link against the libfuzzer
428 # library. They need to be configurable, to support OSS-Fuzz
429 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
431 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
432 # the needed CFLAGS have already been provided
433 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
437 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
438 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
440 # Collect warnings that we want to enable
445 '-Wmissing-prototypes',
446 '-Wstrict-prototypes',
448 '-Wold-style-declaration',
449 '-Wold-style-definition',
454 '-Wignored-qualifiers',
458 '-Wexpansion-to-defined',
459 '-Wimplicit-fallthrough=2',
460 '-Wmissing-format-attribute',
461 '-Wno-initializer-overrides',
462 '-Wno-missing-include-dirs',
463 '-Wno-shift-negative-value',
464 '-Wno-string-plus-int',
465 '-Wno-typedef-redefinition',
466 '-Wno-tautological-type-limit-compare',
468 '-Wno-gnu-variable-sized-type-not-at-end',
471 if targetos != 'darwin'
472 warn_flags += ['-Wthread-safety']
475 # Set up C++ compiler flags
477 if 'cpp' in all_languages
478 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
481 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
482 if get_option('optimization') != '0' and targetos == 'linux'
483 if cc.get_id() == 'gcc'
484 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
486 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
487 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
491 add_project_arguments(qemu_cflags, native: false, language: 'c')
492 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
493 if 'cpp' in all_languages
494 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
495 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
497 if 'objc' in all_languages
498 # Note sanitizer flags are not applied to Objective-C sources!
499 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
501 if targetos == 'linux'
502 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
503 '-isystem', 'linux-headers',
504 language: all_languages)
507 add_project_arguments('-iquote', '.',
508 '-iquote', meson.current_source_dir(),
509 '-iquote', meson.current_source_dir() / 'include',
510 language: all_languages)
512 # If a host-specific include directory exists, list that first...
513 host_include = meson.current_source_dir() / 'host/include/'
514 if fs.is_dir(host_include / host_arch)
515 add_project_arguments('-iquote', host_include / host_arch,
516 language: all_languages)
518 # ... followed by the generic fallback.
519 add_project_arguments('-iquote', host_include / 'generic',
520 language: all_languages)
522 sparse = find_program('cgcc', required: get_option('sparse'))
525 command: [find_program('scripts/check_sparse.py'),
526 'compile_commands.json', sparse.full_path(), '-Wbitwise',
527 '-Wno-transparent-union', '-Wno-old-initializer',
528 '-Wno-non-pointer-null'])
531 ###########################################
532 # Target-specific checks and dependencies #
533 ###########################################
536 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
539 #include <sys/types.h>
540 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
541 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
543 args: ['-Werror', '-fsanitize=fuzzer'])
544 error('Your compiler does not support -fsanitize=fuzzer')
548 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
549 error('ftrace is supported only on Linux')
551 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
554 openlog("qemu", LOG_PID, LOG_DAEMON);
555 syslog(LOG_INFO, "configure");
558 error('syslog is not supported on this system')
561 # Miscellaneous Linux-only features
562 get_option('mpath') \
563 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
565 multiprocess_allowed = get_option('multiprocess') \
566 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
569 vfio_user_server_allowed = get_option('vfio_user_server') \
570 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
573 have_tpm = get_option('tpm') \
574 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
578 have_vhost_user = get_option('vhost_user') \
579 .disable_auto_if(targetos != 'linux') \
580 .require(targetos != 'windows',
581 error_message: 'vhost-user is not available on Windows').allowed()
582 have_vhost_vdpa = get_option('vhost_vdpa') \
583 .require(targetos == 'linux',
584 error_message: 'vhost-vdpa is only available on Linux').allowed()
585 have_vhost_kernel = get_option('vhost_kernel') \
586 .require(targetos == 'linux',
587 error_message: 'vhost-kernel is only available on Linux').allowed()
588 have_vhost_user_crypto = get_option('vhost_crypto') \
589 .require(have_vhost_user,
590 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
592 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
594 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
595 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
596 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
597 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
599 # Target-specific libraries and flags
600 libm = cc.find_library('m', required: false)
601 threads = dependency('threads')
602 util = cc.find_library('util', required: false)
608 emulator_link_args = []
615 if targetos == 'windows'
616 midl = find_program('midl', required: false)
617 widl = find_program('widl', required: false)
618 pathcch = cc.find_library('pathcch')
619 socket = cc.find_library('ws2_32')
620 winmm = cc.find_library('winmm')
622 win = import('windows')
623 version_res = win.compile_resources('version.rc',
624 depend_files: files('pc-bios/qemu-nsis.ico'),
625 include_directories: include_directories('.'))
627 elif targetos == 'darwin'
628 coref = dependency('appleframeworks', modules: 'CoreFoundation')
629 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
630 host_dsosuf = '.dylib'
631 elif targetos == 'sunos'
632 socket = [cc.find_library('socket'),
633 cc.find_library('nsl'),
634 cc.find_library('resolv')]
635 elif targetos == 'haiku'
636 socket = [cc.find_library('posix_error_mapper'),
637 cc.find_library('network'),
638 cc.find_library('bsd')]
639 elif targetos == 'openbsd'
640 if get_option('tcg').allowed() and target_dirs.length() > 0
641 # Disable OpenBSD W^X if available
642 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
646 # Target-specific configuration of accelerators
648 if get_option('kvm').allowed() and targetos == 'linux'
649 accelerators += 'CONFIG_KVM'
651 if get_option('whpx').allowed() and targetos == 'windows'
652 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
653 error('WHPX requires 64-bit host')
654 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
655 cc.has_header('winhvemulation.h', required: get_option('whpx'))
656 accelerators += 'CONFIG_WHPX'
659 if get_option('hvf').allowed()
660 hvf = dependency('appleframeworks', modules: 'Hypervisor',
661 required: get_option('hvf'))
663 accelerators += 'CONFIG_HVF'
666 if get_option('hax').allowed()
667 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
668 accelerators += 'CONFIG_HAX'
671 if targetos == 'netbsd'
672 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
674 accelerators += 'CONFIG_NVMM'
679 if get_option('tcg').allowed()
680 if host_arch == 'unknown'
681 if get_option('tcg_interpreter')
682 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
684 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
686 elif get_option('tcg_interpreter')
687 warning('Use of the TCG interpreter is not recommended on this host')
688 warning('architecture. There is a native TCG execution backend available')
689 warning('which provides substantially better performance and reliability.')
690 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
691 warning('configuration option on this architecture to use the native')
694 if get_option('tcg_interpreter')
696 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
697 elif host_arch == 'x86_64'
699 elif host_arch == 'ppc64'
702 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
703 language: all_languages)
705 accelerators += 'CONFIG_TCG'
706 config_host += { 'CONFIG_TCG': 'y' }
709 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
710 error('KVM not available on this platform')
712 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
713 error('HVF not available on this platform')
715 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
716 error('NVMM not available on this platform')
718 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
719 error('WHPX not available on this platform')
726 # When bumping glib minimum version, please check also whether to increase
727 # the _WIN32_WINNT setting in osdep.h according to the value from glib
728 glib_req_ver = '>=2.56.0'
729 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
730 method: 'pkg-config')
733 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
734 method: 'pkg-config')
735 elif config_host.has_key('CONFIG_PLUGIN')
736 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
737 method: 'pkg-config')
742 # This workaround is required due to a bug in pkg-config file for glib as it
743 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
744 if targetos == 'windows' and get_option('prefer_static')
745 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
748 # Sanity check that the current size_t matches the
749 # size that glib thinks it should be. This catches
750 # problems on multi-arch where people try to build
751 # 32-bit QEMU while pointing at 64-bit glib headers
753 if not cc.compiles('''
757 #define QEMU_BUILD_BUG_ON(x) \
758 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
761 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
763 }''', dependencies: glib_pc, args: glib_cflags)
764 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
765 You probably need to set PKG_CONFIG_LIBDIR" to point
766 to the right pkg-config files for your build target.''')
769 # Silence clang warnings triggered by glib < 2.57.2
770 if not cc.compiles('''
775 static void foo_free(Foo *f)
779 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
780 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
781 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
783 glib = declare_dependency(dependencies: [glib_pc, gmodule],
784 compile_args: glib_cflags,
785 version: glib_pc.version())
787 # Check whether glib has gslice, which we have to avoid for correctness.
788 # TODO: remove this check and the corresponding workaround (qtree) when
789 # the minimum supported glib is >= 2.75.3
790 glib_has_gslice = glib.version().version_compare('<2.75.3')
792 # override glib dep to include the above refinements
793 meson.override_dependency('glib-2.0', glib)
795 # The path to glib.h is added to all compilation commands.
796 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
797 native: false, language: all_languages)
800 gdbus_codegen = not_found
801 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
802 if not get_option('gio').auto() or have_system
803 gio = dependency('gio-2.0', required: get_option('gio'),
804 method: 'pkg-config')
805 if gio.found() and not cc.links('''
809 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
811 }''', dependencies: [glib, gio])
812 if get_option('gio').enabled()
813 error('The installed libgio is broken for static linking')
818 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
819 required: get_option('gio'))
820 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
821 method: 'pkg-config')
822 gio = declare_dependency(dependencies: [gio, gio_unix],
823 version: gio.version())
826 if gdbus_codegen.found() and get_option('cfi')
827 gdbus_codegen = not_found
828 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
831 xml_pp = find_program('scripts/xml-preprocess.py')
834 if 'ust' in get_option('trace_backends')
835 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
836 method: 'pkg-config')
839 if have_system or have_tools
840 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
841 method: 'pkg-config')
843 zlib = dependency('zlib', required: true)
846 if not get_option('linux_aio').auto() or have_block
847 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
848 required: get_option('linux_aio'))
851 linux_io_uring_test = '''
852 #include <liburing.h>
853 #include <linux/errqueue.h>
855 int main(void) { return 0; }'''
857 linux_io_uring = not_found
858 if not get_option('linux_io_uring').auto() or have_block
859 linux_io_uring = dependency('liburing', version: '>=0.3',
860 required: get_option('linux_io_uring'),
861 method: 'pkg-config')
862 if not cc.links(linux_io_uring_test)
863 linux_io_uring = not_found
868 if not get_option('libnfs').auto() or have_block
869 libnfs = dependency('libnfs', version: '>=1.9.3',
870 required: get_option('libnfs'),
871 method: 'pkg-config')
876 #include <sys/types.h>
877 #ifdef CONFIG_LIBATTR
878 #include <attr/xattr.h>
880 #include <sys/xattr.h>
882 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
885 have_old_libattr = false
886 if get_option('attr').allowed()
887 if cc.links(libattr_test)
888 libattr = declare_dependency()
890 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
891 required: get_option('attr'))
892 if libattr.found() and not \
893 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
895 if get_option('attr').enabled()
896 error('could not link libattr')
898 warning('could not link libattr, disabling')
901 have_old_libattr = libattr.found()
906 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
907 required: get_option('cocoa'))
909 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
910 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
911 'VMNET_BRIDGED_MODE',
914 if get_option('vmnet').enabled()
915 error('vmnet.framework API is outdated')
917 warning('vmnet.framework API is outdated, disabling')
922 seccomp_has_sysrawrc = false
923 if not get_option('seccomp').auto() or have_system or have_tools
924 seccomp = dependency('libseccomp', version: '>=2.3.0',
925 required: get_option('seccomp'),
926 method: 'pkg-config')
928 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
929 'SCMP_FLTATR_API_SYSRAWRC',
930 dependencies: seccomp)
934 libcap_ng = not_found
935 if not get_option('cap_ng').auto() or have_system or have_tools
936 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
937 required: get_option('cap_ng'))
939 if libcap_ng.found() and not cc.links('''
943 capng_capability_to_name(CAPNG_EFFECTIVE);
945 }''', dependencies: libcap_ng)
946 libcap_ng = not_found
947 if get_option('cap_ng').enabled()
948 error('could not link libcap-ng')
950 warning('could not link libcap-ng, disabling')
954 if get_option('xkbcommon').auto() and not have_system and not have_tools
955 xkbcommon = not_found
957 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
958 method: 'pkg-config')
962 if not get_option('slirp').auto() or have_system
963 slirp = dependency('slirp', required: get_option('slirp'),
964 method: 'pkg-config')
965 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
966 # it passes function pointers within libslirp as callbacks for timers.
967 # When using a system-wide shared libslirp, the type information for the
968 # callback is missing and the timer call produces a false positive with CFI.
969 # Do not use the "version" keyword argument to produce a better error.
970 # with control-flow integrity.
971 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
972 if get_option('slirp').enabled()
973 error('Control-Flow Integrity requires libslirp 4.7.')
975 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
982 if not get_option('vde').auto() or have_system or have_tools
983 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
984 required: get_option('vde'))
986 if vde.found() and not cc.links('''
987 #include <libvdeplug.h>
990 struct vde_open_args a = {0, 0, 0};
994 }''', dependencies: vde)
996 if get_option('cap_ng').enabled()
997 error('could not link libvdeplug')
999 warning('could not link libvdeplug, disabling')
1004 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1005 pulse = dependency('libpulse', required: get_option('pa'),
1006 method: 'pkg-config')
1009 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1010 alsa = dependency('alsa', required: get_option('alsa'),
1011 method: 'pkg-config')
1014 if not get_option('jack').auto() or have_system
1015 jack = dependency('jack', required: get_option('jack'),
1016 method: 'pkg-config')
1018 pipewire = not_found
1019 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1020 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1021 required: get_option('pipewire'),
1022 method: 'pkg-config')
1025 if not get_option('sndio').auto() or have_system
1026 sndio = dependency('sndio', required: get_option('sndio'),
1027 method: 'pkg-config')
1030 spice_protocol = not_found
1031 if not get_option('spice_protocol').auto() or have_system
1032 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1033 required: get_option('spice_protocol'),
1034 method: 'pkg-config')
1037 if not get_option('spice').auto() or have_system
1038 spice = dependency('spice-server', version: '>=0.14.0',
1039 required: get_option('spice'),
1040 method: 'pkg-config')
1042 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1044 rt = cc.find_library('rt', required: false)
1046 libiscsi = not_found
1047 if not get_option('libiscsi').auto() or have_block
1048 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1049 required: get_option('libiscsi'),
1050 method: 'pkg-config')
1053 if not get_option('zstd').auto() or have_block
1054 zstd = dependency('libzstd', version: '>=1.4.0',
1055 required: get_option('zstd'),
1056 method: 'pkg-config')
1060 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1061 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1062 virgl = dependency('virglrenderer',
1063 method: 'pkg-config',
1064 required: get_option('virglrenderer'))
1066 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1067 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1068 prefix: '#include <virglrenderer.h>',
1069 dependencies: virgl))
1073 if not get_option('blkio').auto() or have_block
1074 blkio = dependency('blkio',
1075 method: 'pkg-config',
1076 required: get_option('blkio'))
1079 if not get_option('curl').auto() or have_block
1080 curl = dependency('libcurl', version: '>=7.29.0',
1081 method: 'pkg-config',
1082 required: get_option('curl'))
1085 if targetos == 'linux' and (have_system or have_tools)
1086 libudev = dependency('libudev',
1087 method: 'pkg-config',
1088 required: get_option('libudev'))
1091 mpathlibs = [libudev]
1092 mpathpersist = not_found
1093 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1094 mpath_test_source = '''
1095 #include <libudev.h>
1096 #include <mpath_persist.h>
1097 unsigned mpath_mx_alloc_len = 1024;
1099 static struct config *multipath_conf;
1100 extern struct udev *udev;
1101 extern struct config *get_multipath_config(void);
1102 extern void put_multipath_config(struct config *conf);
1104 struct config *get_multipath_config(void) { return multipath_conf; }
1105 void put_multipath_config(struct config *conf) { }
1108 multipath_conf = mpath_lib_init();
1111 libmpathpersist = cc.find_library('mpathpersist',
1112 required: get_option('mpath'))
1113 if libmpathpersist.found()
1114 mpathlibs += libmpathpersist
1115 if get_option('prefer_static')
1116 mpathlibs += cc.find_library('devmapper',
1117 required: get_option('mpath'))
1119 mpathlibs += cc.find_library('multipath',
1120 required: get_option('mpath'))
1121 foreach lib: mpathlibs
1127 if mpathlibs.length() == 0
1128 msg = 'Dependencies missing for libmpathpersist'
1129 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1130 mpathpersist = declare_dependency(dependencies: mpathlibs)
1132 msg = 'Cannot detect libmpathpersist API'
1134 if not mpathpersist.found()
1135 if get_option('mpath').enabled()
1138 warning(msg + ', disabling')
1146 if have_system and get_option('curses').allowed()
1148 #if defined(__APPLE__) || defined(__OpenBSD__)
1149 #define _XOPEN_SOURCE_EXTENDED 1
1156 setlocale(LC_ALL, "");
1158 addwstr(L"wide chars\n");
1160 add_wch(WACS_DEGREE);
1164 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1165 curses = dependency(curses_dep_list,
1167 method: 'pkg-config')
1168 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1169 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1171 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1172 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1173 version: curses.version())
1175 msg = 'curses package not usable'
1179 if not curses.found()
1180 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1181 if targetos != 'windows' and not has_curses_h
1182 message('Trying with /usr/include/ncursesw')
1183 curses_compile_args += ['-I/usr/include/ncursesw']
1184 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1187 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1188 foreach curses_libname : curses_libname_list
1189 libcurses = cc.find_library(curses_libname,
1191 if libcurses.found()
1192 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1193 curses = declare_dependency(compile_args: curses_compile_args,
1194 dependencies: [libcurses])
1197 msg = 'curses library not usable'
1203 if get_option('iconv').allowed()
1204 foreach link_args : [ ['-liconv'], [] ]
1205 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1206 # We need to use libiconv if available because mixing libiconv's headers with
1207 # the system libc does not work.
1208 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1209 # included in the command line and libiconv will not be found.
1213 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1214 return conv != (iconv_t) -1;
1215 }''', args: link_args, dependencies: glib)
1216 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1221 if curses.found() and not iconv.found()
1222 if get_option('iconv').enabled()
1223 error('iconv not available')
1225 msg = 'iconv required for curses UI but not available'
1228 if not curses.found() and msg != ''
1229 if get_option('curses').enabled()
1232 warning(msg + ', disabling')
1238 if not get_option('brlapi').auto() or have_system
1239 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1240 required: get_option('brlapi'))
1241 if brlapi.found() and not cc.links('''
1244 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1246 if get_option('brlapi').enabled()
1247 error('could not link brlapi')
1249 warning('could not link brlapi, disabling')
1255 if not get_option('sdl').auto() or have_system
1256 sdl = dependency('sdl2', required: get_option('sdl'))
1257 sdl_image = not_found
1260 # Some versions of SDL have problems with -Wundef
1261 if not cc.compiles('''
1263 #include <SDL_syswm.h>
1264 int main(int argc, char *argv[]) { return 0; }
1265 ''', dependencies: sdl, args: '-Werror=undef')
1266 sdl = declare_dependency(compile_args: '-Wno-undef',
1268 version: sdl.version())
1270 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1271 method: 'pkg-config')
1273 if get_option('sdl_image').enabled()
1274 error('sdl-image required, but SDL was @0@'.format(
1275 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1277 sdl_image = not_found
1281 if not get_option('rbd').auto() or have_block
1282 librados = cc.find_library('rados', required: get_option('rbd'))
1283 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1284 required: get_option('rbd'))
1285 if librados.found() and librbd.found()
1288 #include <rbd/librbd.h>
1291 rados_create(&cluster, NULL);
1292 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1296 }''', dependencies: [librbd, librados])
1297 rbd = declare_dependency(dependencies: [librbd, librados])
1298 elif get_option('rbd').enabled()
1299 error('librbd >= 1.12.0 required')
1301 warning('librbd >= 1.12.0 not found, disabling')
1306 glusterfs = not_found
1307 glusterfs_ftruncate_has_stat = false
1308 glusterfs_iocb_has_stat = false
1309 if not get_option('glusterfs').auto() or have_block
1310 glusterfs = dependency('glusterfs-api', version: '>=3',
1311 required: get_option('glusterfs'),
1312 method: 'pkg-config')
1313 if glusterfs.found()
1314 glusterfs_ftruncate_has_stat = cc.links('''
1315 #include <glusterfs/api/glfs.h>
1320 /* new glfs_ftruncate() passes two additional args */
1321 return glfs_ftruncate(NULL, 0, NULL, NULL);
1323 ''', dependencies: glusterfs)
1324 glusterfs_iocb_has_stat = cc.links('''
1325 #include <glusterfs/api/glfs.h>
1327 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1329 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1335 glfs_io_cbk iocb = &glusterfs_iocb;
1336 iocb(NULL, 0 , NULL, NULL, NULL);
1339 ''', dependencies: glusterfs)
1344 if not get_option('libssh').auto() or have_block
1345 libssh = dependency('libssh', version: '>=0.8.7',
1346 method: 'pkg-config',
1347 required: get_option('libssh'))
1350 libbzip2 = not_found
1351 if not get_option('bzip2').auto() or have_block
1352 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1353 required: get_option('bzip2'))
1354 if libbzip2.found() and not cc.links('''
1356 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1357 libbzip2 = not_found
1358 if get_option('bzip2').enabled()
1359 error('could not link libbzip2')
1361 warning('could not link libbzip2, disabling')
1366 liblzfse = not_found
1367 if not get_option('lzfse').auto() or have_block
1368 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1369 required: get_option('lzfse'))
1371 if liblzfse.found() and not cc.links('''
1373 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1374 liblzfse = not_found
1375 if get_option('lzfse').enabled()
1376 error('could not link liblzfse')
1378 warning('could not link liblzfse, disabling')
1383 if get_option('oss').allowed() and have_system
1384 if not cc.has_header('sys/soundcard.h')
1386 elif targetos == 'netbsd'
1387 oss = cc.find_library('ossaudio', required: get_option('oss'))
1389 oss = declare_dependency()
1393 if get_option('oss').enabled()
1394 error('OSS not found')
1399 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1400 if cc.has_header('dsound.h')
1401 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1404 if not dsound.found()
1405 if get_option('dsound').enabled()
1406 error('DirectSound not found')
1411 coreaudio = not_found
1412 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1413 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1414 required: get_option('coreaudio'))
1418 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1419 epoxy = dependency('epoxy', method: 'pkg-config',
1420 required: get_option('opengl'))
1421 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1423 elif get_option('opengl').enabled()
1424 error('epoxy/egl.h not found')
1428 if (have_system or have_tools) and (virgl.found() or opengl.found())
1429 gbm = dependency('gbm', method: 'pkg-config', required: false)
1431 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1434 gnutls_crypto = not_found
1435 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1436 # For general TLS support our min gnutls matches
1437 # that implied by our platform support matrix
1439 # For the crypto backends, we look for a newer
1442 # Version 3.6.8 is needed to get XTS
1443 # Version 3.6.13 is needed to get PBKDF
1444 # Version 3.6.14 is needed to get HW accelerated XTS
1446 # If newer enough gnutls isn't available, we can
1447 # still use a different crypto backend to satisfy
1448 # the platform support requirements
1449 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1450 method: 'pkg-config',
1452 if gnutls_crypto.found()
1453 gnutls = gnutls_crypto
1455 # Our min version if all we need is TLS
1456 gnutls = dependency('gnutls', version: '>=3.5.18',
1457 method: 'pkg-config',
1458 required: get_option('gnutls'))
1462 # We prefer use of gnutls for crypto, unless the options
1463 # explicitly asked for nettle or gcrypt.
1465 # If gnutls isn't available for crypto, then we'll prefer
1466 # gcrypt over nettle for performance reasons.
1472 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1473 error('Only one of gcrypt & nettle can be enabled')
1476 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1477 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1478 gnutls_crypto = not_found
1481 if not gnutls_crypto.found()
1482 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1483 gcrypt = dependency('libgcrypt', version: '>=1.8',
1484 method: 'config-tool',
1485 required: get_option('gcrypt'))
1486 # Debian has removed -lgpg-error from libgcrypt-config
1487 # as it "spreads unnecessary dependencies" which in
1488 # turn breaks static builds...
1489 if gcrypt.found() and get_option('prefer_static')
1490 gcrypt = declare_dependency(dependencies:
1492 cc.find_library('gpg-error', required: true)],
1493 version: gcrypt.version())
1496 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1497 nettle = dependency('nettle', version: '>=3.4',
1498 method: 'pkg-config',
1499 required: get_option('nettle'))
1500 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1506 gmp = dependency('gmp', required: false, method: 'pkg-config')
1507 if nettle.found() and gmp.found()
1508 hogweed = dependency('hogweed', version: '>=3.4',
1509 method: 'pkg-config',
1510 required: get_option('nettle'))
1517 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1519 if not get_option('gtk').auto() or have_system
1520 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1521 method: 'pkg-config',
1522 required: get_option('gtk'))
1524 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1525 method: 'pkg-config',
1527 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1528 version: gtk.version())
1530 if not get_option('vte').auto() or have_system
1531 vte = dependency('vte-2.91',
1532 method: 'pkg-config',
1533 required: get_option('vte'))
1535 elif have_gtk_clipboard
1536 error('GTK clipboard requested, but GTK not found')
1542 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1545 if get_option('png').allowed() and have_system
1546 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1547 method: 'pkg-config')
1552 if get_option('vnc').allowed() and have_system
1553 vnc = declare_dependency() # dummy dependency
1554 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1555 method: 'pkg-config')
1556 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1557 required: get_option('vnc_sasl'))
1559 sasl = declare_dependency(dependencies: sasl,
1560 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1565 if not get_option('auth_pam').auto() or have_system
1566 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1567 required: get_option('auth_pam'))
1569 if pam.found() and not cc.links('''
1571 #include <security/pam_appl.h>
1573 const char *service_name = "qemu";
1574 const char *user = "frank";
1575 const struct pam_conv pam_conv = { 0 };
1576 pam_handle_t *pamh = NULL;
1577 pam_start(service_name, user, &pam_conv, &pamh);
1579 }''', dependencies: pam)
1581 if get_option('auth_pam').enabled()
1582 error('could not link libpam')
1584 warning('could not link libpam, disabling')
1589 if not get_option('snappy').auto() or have_system
1590 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1591 required: get_option('snappy'))
1593 if snappy.found() and not cc.links('''
1594 #include <snappy-c.h>
1595 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1597 if get_option('snappy').enabled()
1598 error('could not link libsnappy')
1600 warning('could not link libsnappy, disabling')
1605 if not get_option('lzo').auto() or have_system
1606 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1607 required: get_option('lzo'))
1609 if lzo.found() and not cc.links('''
1610 #include <lzo/lzo1x.h>
1611 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1613 if get_option('lzo').enabled()
1614 error('could not link liblzo2')
1616 warning('could not link liblzo2, disabling')
1621 if not get_option('numa').auto() or have_system or have_tools
1622 numa = cc.find_library('numa', has_headers: ['numa.h'],
1623 required: get_option('numa'))
1625 if numa.found() and not cc.links('''
1627 int main(void) { return numa_available(); }
1628 ''', dependencies: numa)
1630 if get_option('numa').enabled()
1631 error('could not link numa')
1633 warning('could not link numa, disabling')
1638 if not get_option('rdma').auto() or have_system
1639 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1640 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1641 required: get_option('rdma')),
1642 cc.find_library('ibverbs', required: get_option('rdma')),
1644 rdma = declare_dependency(dependencies: rdma_libs)
1645 foreach lib: rdma_libs
1653 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1654 xencontrol = dependency('xencontrol', required: false,
1655 method: 'pkg-config')
1656 if xencontrol.found()
1657 xen_pc = declare_dependency(version: xencontrol.version(),
1660 # disabler: true makes xen_pc.found() return false if any is not found
1661 dependency('xenstore', required: false,
1662 method: 'pkg-config',
1664 dependency('xenforeignmemory', required: false,
1665 method: 'pkg-config',
1667 dependency('xengnttab', required: false,
1668 method: 'pkg-config',
1670 dependency('xenevtchn', required: false,
1671 method: 'pkg-config',
1673 dependency('xendevicemodel', required: false,
1674 method: 'pkg-config',
1676 # optional, no "disabler: true"
1677 dependency('xentoolcore', required: false,
1678 method: 'pkg-config')])
1684 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1686 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1687 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1688 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1689 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1690 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1693 foreach ver: xen_tests
1694 # cache the various library tests to avoid polluting the logs
1696 foreach l: xen_libs[ver]
1697 if l not in xen_deps
1698 xen_deps += { l: cc.find_library(l, required: false) }
1700 xen_test_deps += xen_deps[l]
1703 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1704 xen_version = ver.split('.')
1705 xen_ctrl_version = xen_version[0] + \
1706 ('0' + xen_version[1]).substring(-2) + \
1707 ('0' + xen_version[2]).substring(-2)
1708 if cc.links(files('scripts/xen-detect.c'),
1709 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1710 dependencies: xen_test_deps)
1711 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1717 accelerators += 'CONFIG_XEN'
1718 elif get_option('xen').enabled()
1719 error('could not compile and link Xen test program')
1722 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1723 .require(xen.found(),
1724 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1725 .require(targetos == 'linux',
1726 error_message: 'Xen PCI passthrough not available on this platform') \
1727 .require(cpu == 'x86' or cpu == 'x86_64',
1728 error_message: 'Xen PCI passthrough not available on this platform') \
1733 if not get_option('smartcard').auto() or have_system
1734 cacard = dependency('libcacard', required: get_option('smartcard'),
1735 version: '>=2.5.1', method: 'pkg-config')
1739 u2f = dependency('u2f-emu', required: get_option('u2f'),
1740 method: 'pkg-config')
1744 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1745 method: 'pkg-config')
1747 usbredir = not_found
1748 if not get_option('usb_redir').auto() or have_system
1749 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1750 version: '>=0.6', method: 'pkg-config')
1753 if not get_option('libusb').auto() or have_system
1754 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1755 version: '>=1.0.13', method: 'pkg-config')
1759 if not get_option('libpmem').auto() or have_system
1760 libpmem = dependency('libpmem', required: get_option('libpmem'),
1761 method: 'pkg-config')
1763 libdaxctl = not_found
1764 if not get_option('libdaxctl').auto() or have_system
1765 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1766 version: '>=57', method: 'pkg-config')
1770 tasn1 = dependency('libtasn1',
1771 method: 'pkg-config')
1773 keyutils = not_found
1774 if get_option('keyring').enabled()
1775 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1778 has_gettid = cc.has_function('gettid')
1781 selinux = dependency('libselinux',
1782 required: get_option('selinux'),
1783 method: 'pkg-config')
1788 if get_option('malloc') == 'system'
1790 get_option('malloc_trim').allowed() and \
1791 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1793 has_malloc_trim = false
1794 malloc = cc.find_library(get_option('malloc'), required: true)
1796 if not has_malloc_trim and get_option('malloc_trim').enabled()
1797 if get_option('malloc') == 'system'
1798 error('malloc_trim not available on this platform.')
1800 error('malloc_trim not available with non-libc memory allocator')
1804 gnu_source_prefix = '''
1810 # Check whether the glibc provides STATX_BASIC_STATS
1812 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1814 # Check whether statx() provides mount ID information
1816 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1818 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1819 .require(targetos == 'linux',
1820 error_message: 'vhost_user_blk_server requires linux') \
1821 .require(have_vhost_user,
1822 error_message: 'vhost_user_blk_server requires vhost-user support') \
1823 .disable_auto_if(not have_tools and not have_system) \
1826 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1827 error('Cannot enable fuse-lseek while fuse is disabled')
1830 fuse = dependency('fuse3', required: get_option('fuse'),
1831 version: '>=3.1', method: 'pkg-config')
1833 fuse_lseek = not_found
1834 if get_option('fuse_lseek').allowed()
1835 if fuse.version().version_compare('>=3.8')
1837 fuse_lseek = declare_dependency()
1838 elif get_option('fuse_lseek').enabled()
1840 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1842 error('fuse-lseek requires libfuse, which was not found')
1847 have_libvduse = (targetos == 'linux')
1848 if get_option('libvduse').enabled()
1849 if targetos != 'linux'
1850 error('libvduse requires linux')
1852 elif get_option('libvduse').disabled()
1853 have_libvduse = false
1856 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1857 if get_option('vduse_blk_export').enabled()
1858 if targetos != 'linux'
1859 error('vduse_blk_export requires linux')
1860 elif not have_libvduse
1861 error('vduse_blk_export requires libvduse support')
1863 elif get_option('vduse_blk_export').disabled()
1864 have_vduse_blk_export = false
1868 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1869 if libbpf.found() and not cc.links('''
1870 #include <bpf/libbpf.h>
1873 bpf_object__destroy_skeleton(NULL);
1875 }''', dependencies: libbpf)
1877 if get_option('bpf').enabled()
1878 error('libbpf skeleton test failed')
1880 warning('libbpf skeleton test failed, disabling')
1886 if not get_option('libdw').auto() or \
1887 (not get_option('prefer_static') and (have_system or have_user))
1888 libdw = dependency('libdw',
1889 method: 'pkg-config',
1890 required: get_option('libdw'))
1897 audio_drivers_selected = []
1899 audio_drivers_available = {
1900 'alsa': alsa.found(),
1901 'coreaudio': coreaudio.found(),
1902 'dsound': dsound.found(),
1903 'jack': jack.found(),
1905 'pa': pulse.found(),
1906 'pipewire': pipewire.found(),
1908 'sndio': sndio.found(),
1910 foreach k, v: audio_drivers_available
1911 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1914 # Default to native drivers first, OSS second, SDL third
1915 audio_drivers_priority = \
1916 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1917 (targetos == 'linux' ? [] : [ 'sdl' ])
1918 audio_drivers_default = []
1919 foreach k: audio_drivers_priority
1920 if audio_drivers_available[k]
1921 audio_drivers_default += k
1925 foreach k: get_option('audio_drv_list')
1927 audio_drivers_selected += audio_drivers_default
1928 elif not audio_drivers_available[k]
1929 error('Audio driver "@0@" not available.'.format(k))
1931 audio_drivers_selected += k
1935 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1936 '"' + '", "'.join(audio_drivers_selected) + '", ')
1938 if get_option('cfi')
1940 # Check for dependency on LTO
1941 if not get_option('b_lto')
1942 error('Selected Control-Flow Integrity but LTO is disabled')
1945 error('Selected Control-Flow Integrity is not compatible with modules')
1947 # Check for cfi flags. CFI requires LTO so we can't use
1948 # get_supported_arguments, but need a more complex "compiles" which allows
1950 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1951 args: ['-flto', '-fsanitize=cfi-icall'] )
1952 cfi_flags += '-fsanitize=cfi-icall'
1954 error('-fsanitize=cfi-icall is not supported by the compiler')
1956 if cc.compiles('int main () { return 0; }',
1957 name: '-fsanitize-cfi-icall-generalize-pointers',
1958 args: ['-flto', '-fsanitize=cfi-icall',
1959 '-fsanitize-cfi-icall-generalize-pointers'] )
1960 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1962 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1964 if get_option('cfi_debug')
1965 if cc.compiles('int main () { return 0; }',
1966 name: '-fno-sanitize-trap=cfi-icall',
1967 args: ['-flto', '-fsanitize=cfi-icall',
1968 '-fno-sanitize-trap=cfi-icall'] )
1969 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1971 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1974 add_global_arguments(cfi_flags, native: false, language: all_languages)
1975 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1978 have_host_block_device = (targetos != 'darwin' or
1979 cc.has_header('IOKit/storage/IOMedia.h'))
1981 dbus_display = get_option('dbus_display') \
1982 .require(gio.version().version_compare('>=2.64'),
1983 error_message: '-display dbus requires glib>=2.64') \
1984 .require(gdbus_codegen.found(),
1985 error_message: gdbus_codegen_error.format('-display dbus')) \
1988 have_virtfs = get_option('virtfs') \
1989 .require(targetos == 'linux' or targetos == 'darwin',
1990 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1991 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1992 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1993 .require(targetos == 'darwin' or libattr.found(),
1994 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1995 .disable_auto_if(not have_tools and not have_system) \
1998 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1999 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2000 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2001 .disable_auto_if(not have_tools) \
2002 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2005 if get_option('block_drv_ro_whitelist') == ''
2006 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2008 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2009 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2011 if get_option('block_drv_rw_whitelist') == ''
2012 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2014 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2015 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2018 foreach k : get_option('trace_backends')
2019 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2021 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2022 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2024 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2026 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2027 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2028 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2029 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2030 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2032 qemu_firmwarepath = ''
2033 foreach k : get_option('qemu_firmwarepath')
2034 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2036 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2038 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2039 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2040 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2041 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2042 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2043 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2046 config_host_data.set('CONFIG_STAMP', run_command(
2047 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2048 meson.project_version(), get_option('pkgversion'), '--',
2049 meson.current_source_dir() / 'configure',
2050 capture: true, check: true).stdout().strip())
2053 have_slirp_smbd = get_option('slirp_smbd') \
2054 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2057 smbd_path = get_option('smbd')
2059 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2061 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2064 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2066 if get_option('module_upgrades') and not enable_modules
2067 error('Cannot enable module-upgrades as modules are not enabled')
2069 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2071 config_host_data.set('CONFIG_ATTR', libattr.found())
2072 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2073 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2074 config_host_data.set('CONFIG_COCOA', cocoa.found())
2075 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2076 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2077 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2078 config_host_data.set('CONFIG_LZO', lzo.found())
2079 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2080 config_host_data.set('CONFIG_BLKIO', blkio.found())
2082 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2083 blkio.version().version_compare('>=1.3.0'))
2085 config_host_data.set('CONFIG_CURL', curl.found())
2086 config_host_data.set('CONFIG_CURSES', curses.found())
2087 config_host_data.set('CONFIG_GBM', gbm.found())
2088 config_host_data.set('CONFIG_GIO', gio.found())
2089 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2090 if glusterfs.found()
2091 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2092 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2093 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2094 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2095 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2096 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2098 config_host_data.set('CONFIG_GTK', gtk.found())
2099 config_host_data.set('CONFIG_VTE', vte.found())
2100 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2101 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2102 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2103 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2104 config_host_data.set('CONFIG_EBPF', libbpf.found())
2105 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2106 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2107 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2108 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2109 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2110 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2111 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2112 config_host_data.set('CONFIG_MODULES', enable_modules)
2113 config_host_data.set('CONFIG_NUMA', numa.found())
2115 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2116 cc.has_function('numa_has_preferred_many',
2117 dependencies: numa))
2119 config_host_data.set('CONFIG_OPENGL', opengl.found())
2120 config_host_data.set('CONFIG_RBD', rbd.found())
2121 config_host_data.set('CONFIG_RDMA', rdma.found())
2122 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2123 config_host_data.set('CONFIG_SDL', sdl.found())
2124 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2125 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2127 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2129 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2130 config_host_data.set('CONFIG_TPM', have_tpm)
2131 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2132 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2133 config_host_data.set('CONFIG_VDE', vde.found())
2134 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2135 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2136 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2137 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2138 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2139 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2140 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2141 config_host_data.set('CONFIG_VMNET', vmnet.found())
2142 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2143 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2144 config_host_data.set('CONFIG_PNG', png.found())
2145 config_host_data.set('CONFIG_VNC', vnc.found())
2146 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2147 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2148 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2149 config_host_data.set('CONFIG_VTE', vte.found())
2150 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2151 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2152 config_host_data.set('CONFIG_GETTID', has_gettid)
2153 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2154 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2155 config_host_data.set('CONFIG_TASN1', tasn1.found())
2156 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2157 config_host_data.set('CONFIG_NETTLE', nettle.found())
2158 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2159 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2160 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2161 config_host_data.set('CONFIG_STATX', has_statx)
2162 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2163 config_host_data.set('CONFIG_ZSTD', zstd.found())
2164 config_host_data.set('CONFIG_FUSE', fuse.found())
2165 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2166 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2167 if spice_protocol.found()
2168 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2169 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2170 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2172 config_host_data.set('CONFIG_SPICE', spice.found())
2173 config_host_data.set('CONFIG_X11', x11.found())
2174 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2175 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2176 config_host_data.set('CONFIG_SELINUX', selinux.found())
2177 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2178 config_host_data.set('CONFIG_LIBDW', libdw.found())
2180 # protect from xen.version() having less than three components
2181 xen_version = xen.version().split('.') + ['0', '0']
2182 xen_ctrl_version = xen_version[0] + \
2183 ('0' + xen_version[1]).substring(-2) + \
2184 ('0' + xen_version[2]).substring(-2)
2185 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2187 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2188 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2189 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2190 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2192 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2193 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2195 have_coroutine_pool = get_option('coroutine_pool')
2196 if get_option('debug_stack_usage') and have_coroutine_pool
2197 message('Disabling coroutine pool to measure stack usage')
2198 have_coroutine_pool = false
2200 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2201 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2202 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2203 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2204 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2205 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2206 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2207 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2210 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2211 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2212 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2213 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2214 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2215 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2216 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2217 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2218 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2219 if targetos == 'windows'
2220 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2224 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2225 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2226 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2227 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2228 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2229 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2230 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2231 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2232 # Note that we need to specify prefix: here to avoid incorrectly
2233 # thinking that Windows has posix_memalign()
2234 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2235 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2236 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2237 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2238 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2239 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2240 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2241 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2242 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2243 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2244 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2245 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2246 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2247 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2248 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2249 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2250 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2251 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2253 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2254 cc.has_function('rbd_namespace_exists',
2256 prefix: '#include <rbd/librbd.h>'))
2259 config_host_data.set('HAVE_IBV_ADVISE_MR',
2260 cc.has_function('ibv_advise_mr',
2262 prefix: '#include <infiniband/verbs.h>'))
2265 have_asan_fiber = false
2266 if get_option('sanitizers') and \
2267 not cc.has_function('__sanitizer_start_switch_fiber',
2268 args: '-fsanitize=address',
2269 prefix: '#include <sanitizer/asan_interface.h>')
2270 warning('Missing ASAN due to missing fiber annotation interface')
2271 warning('Without code annotation, the report may be inferior.')
2273 have_asan_fiber = true
2275 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2278 config_host_data.set('CONFIG_BLKZONED',
2279 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2280 config_host_data.set('CONFIG_EPOLL_CREATE1',
2281 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2282 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2283 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2284 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2285 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2286 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2287 config_host_data.set('CONFIG_FIEMAP',
2288 cc.has_header('linux/fiemap.h') and
2289 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2290 config_host_data.set('CONFIG_GETRANDOM',
2291 cc.has_function('getrandom') and
2292 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2293 config_host_data.set('CONFIG_INOTIFY',
2294 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2295 config_host_data.set('CONFIG_INOTIFY1',
2296 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2297 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2298 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2299 config_host_data.set('CONFIG_RTNETLINK',
2300 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2301 config_host_data.set('CONFIG_SYSMACROS',
2302 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2303 config_host_data.set('HAVE_OPTRESET',
2304 cc.has_header_symbol('getopt.h', 'optreset'))
2305 config_host_data.set('HAVE_IPPROTO_MPTCP',
2306 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2309 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2310 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2311 prefix: '#include <signal.h>'))
2312 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2313 cc.has_member('struct stat', 'st_atim',
2314 prefix: '#include <sys/stat.h>'))
2315 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2316 cc.has_member('struct blk_zone', 'capacity',
2317 prefix: '#include <linux/blkzoned.h>'))
2320 config_host_data.set('CONFIG_IOVEC',
2321 cc.has_type('struct iovec',
2322 prefix: '#include <sys/uio.h>'))
2323 config_host_data.set('HAVE_UTMPX',
2324 cc.has_type('struct utmpx',
2325 prefix: '#include <utmpx.h>'))
2327 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2328 #include <sys/eventfd.h>
2329 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2330 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2333 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2334 return fdatasync(0);
2336 #error Not supported
2340 has_madvise = cc.links(gnu_source_prefix + '''
2341 #include <sys/types.h>
2342 #include <sys/mman.h>
2344 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2345 missing_madvise_proto = false
2347 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2348 # but forget to prototype it. In this case, has_madvise will be true (the
2349 # test program links despite a compile warning). To detect the
2350 # missing-prototype case, we try again with a definitely-bogus prototype.
2351 # This will only compile if the system headers don't provide the prototype;
2352 # otherwise the conflicting prototypes will cause a compiler error.
2353 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2354 #include <sys/types.h>
2355 #include <sys/mman.h>
2357 extern int madvise(int);
2358 int main(void) { return madvise(0); }''')
2360 config_host_data.set('CONFIG_MADVISE', has_madvise)
2361 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2363 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2364 #include <sys/mman.h>
2365 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2366 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2368 #if !defined(AT_EMPTY_PATH)
2369 # error missing definition
2371 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2373 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2374 #include <sys/mman.h>
2376 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2378 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2379 #include <pthread.h>
2381 static void *f(void *p) { return NULL; }
2385 pthread_create(&thread, 0, f, 0);
2386 pthread_setname_np(thread, "QEMU");
2388 }''', dependencies: threads))
2389 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2390 #include <pthread.h>
2392 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2396 pthread_create(&thread, 0, f, 0);
2398 }''', dependencies: threads))
2399 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2400 #include <pthread.h>
2401 #include <pthread_np.h>
2403 static void *f(void *p) { return NULL; }
2407 pthread_create(&thread, 0, f, 0);
2408 pthread_set_name_np(thread, "QEMU");
2410 }''', dependencies: threads))
2411 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2412 #include <pthread.h>
2417 pthread_condattr_t attr
2418 pthread_condattr_init(&attr);
2419 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2421 }''', dependencies: threads))
2422 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2423 #include <pthread.h>
2425 static void *f(void *p) { return NULL; }
2428 int setsize = CPU_ALLOC_SIZE(64);
2431 pthread_create(&thread, 0, f, 0);
2432 cpuset = CPU_ALLOC(64);
2433 CPU_ZERO_S(setsize, cpuset);
2434 pthread_setaffinity_np(thread, setsize, cpuset);
2435 pthread_getaffinity_np(thread, setsize, cpuset);
2438 }''', dependencies: threads))
2439 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2440 #include <sys/signalfd.h>
2442 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2443 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2451 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2452 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2456 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2457 #include <sys/mman.h>
2459 return mlockall(MCL_FUTURE);
2463 if get_option('l2tpv3').allowed() and have_system
2464 have_l2tpv3 = cc.has_type('struct mmsghdr',
2465 prefix: gnu_source_prefix + '''
2466 #include <sys/socket.h>
2467 #include <linux/ip.h>''')
2469 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2472 if get_option('netmap').allowed() and have_system
2473 have_netmap = cc.compiles('''
2474 #include <inttypes.h>
2476 #include <net/netmap.h>
2477 #include <net/netmap_user.h>
2478 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2481 int main(void) { return 0; }''')
2482 if not have_netmap and get_option('netmap').enabled()
2483 error('Netmap headers not available')
2486 config_host_data.set('CONFIG_NETMAP', have_netmap)
2488 # Work around a system header bug with some kernel/XFS header
2489 # versions where they both try to define 'struct fsxattr':
2490 # xfs headers will not try to redefine structs from linux headers
2491 # if this macro is set.
2492 config_host_data.set('HAVE_FSXATTR', cc.links('''
2493 #include <linux/fs.h>
2499 # Some versions of Mac OS X incorrectly define SIZE_MAX
2500 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2504 return printf("%zu", SIZE_MAX);
2505 }''', args: ['-Werror']))
2507 # See if 64-bit atomic operations are supported.
2508 # Note that without __atomic builtins, we can only
2509 # assume atomic loads/stores max at pointer size.
2510 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2514 uint64_t x = 0, y = 0;
2515 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2516 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2517 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2518 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2519 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2523 has_int128_type = cc.compiles('''
2526 int main(void) { b = a; }''')
2527 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2529 has_int128 = has_int128_type and cc.links('''
2538 config_host_data.set('CONFIG_INT128', has_int128)
2541 # "do we have 128-bit atomics which are handled inline and specifically not
2542 # via libatomic". The reason we can't use libatomic is documented in the
2543 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2544 # We only care about these operations on 16-byte aligned pointers, so
2545 # force 16-byte alignment of the pointer, which may be greater than
2546 # __alignof(unsigned __int128) for the host.
2547 atomic_test_128 = '''
2548 int main(int ac, char **av) {
2549 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2550 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2551 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2552 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2555 has_atomic128 = cc.links(atomic_test_128)
2557 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2559 if not has_atomic128
2560 # Even with __builtin_assume_aligned, the above test may have failed
2561 # without optimization enabled. Try again with optimizations locally
2562 # enabled for the function. See
2563 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2564 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2565 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2567 if not has_atomic128_opt
2568 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2571 __uint128_t x = 0, y = 0;
2572 __sync_val_compare_and_swap_16(&x, y, x);
2580 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2581 #include <sys/auxv.h>
2583 return getauxval(AT_HWCAP) == 0;
2586 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2587 #include <linux/usbdevice_fs.h>
2589 #ifndef USBDEVFS_GET_CAPABILITIES
2590 #error "USBDEVFS_GET_CAPABILITIES undefined"
2593 #ifndef USBDEVFS_DISCONNECT_CLAIM
2594 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2597 int main(void) { return 0; }'''))
2599 have_keyring = get_option('keyring') \
2600 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2601 .require(cc.compiles('''
2603 #include <asm/unistd.h>
2604 #include <linux/keyctl.h>
2605 #include <sys/syscall.h>
2608 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2609 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2610 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2612 have_cpuid_h = cc.links('''
2615 unsigned a, b, c, d;
2616 unsigned max = __get_cpuid_max(0, 0);
2619 __cpuid(1, a, b, c, d);
2623 __cpuid_count(7, 0, a, b, c, d);
2628 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2630 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2631 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2632 .require(cc.links('''
2634 #include <immintrin.h>
2635 static int __attribute__((target("avx2"))) bar(void *a) {
2636 __m256i x = *(__m256i *)a;
2637 return _mm256_testz_si256(x, x);
2639 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2640 '''), error_message: 'AVX2 not available').allowed())
2642 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2643 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2644 .require(cc.links('''
2646 #include <immintrin.h>
2647 static int __attribute__((target("avx512f"))) bar(void *a) {
2648 __m512i x = *(__m512i *)a;
2649 return _mm512_test_epi64_mask(x, x);
2651 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2652 '''), error_message: 'AVX512F not available').allowed())
2654 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2655 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2656 .require(cc.links('''
2658 #include <immintrin.h>
2659 static int __attribute__((target("avx512bw"))) bar(void *a) {
2661 __m512i res= _mm512_abs_epi8(*x);
2664 int main(int argc, char *argv[]) { return bar(argv[0]); }
2665 '''), error_message: 'AVX512BW not available').allowed())
2667 # For both AArch64 and AArch32, detect if builtins are available.
2668 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2669 #include <arm_neon.h>
2670 #ifndef __ARM_FEATURE_AES
2671 __attribute__((target("+crypto")))
2673 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2676 have_pvrdma = get_option('pvrdma') \
2677 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2678 .require(cc.compiles(gnu_source_prefix + '''
2679 #include <sys/mman.h>
2684 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2687 }'''), error_message: 'PVRDMA requires mremap').allowed()
2690 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2691 #include <infiniband/verbs.h>
2695 struct ibv_pd *pd = NULL;
2701 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2707 if get_option('membarrier').disabled()
2708 have_membarrier = false
2709 elif targetos == 'windows'
2710 have_membarrier = true
2711 elif targetos == 'linux'
2712 have_membarrier = cc.compiles('''
2713 #include <linux/membarrier.h>
2714 #include <sys/syscall.h>
2718 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2719 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2723 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2724 .require(have_membarrier, error_message: 'membarrier system call not available') \
2727 have_afalg = get_option('crypto_afalg') \
2728 .require(cc.compiles(gnu_source_prefix + '''
2730 #include <sys/types.h>
2731 #include <sys/socket.h>
2732 #include <linux/if_alg.h>
2735 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2738 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2739 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2741 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2742 'linux/vm_sockets.h', 'AF_VSOCK',
2743 prefix: '#include <sys/socket.h>',
2747 have_vss_sdk = false # old xp/2003 SDK
2748 if targetos == 'windows' and 'cpp' in all_languages
2749 have_vss = cxx.compiles('''
2750 #define __MIDL_user_allocate_free_DEFINED__
2752 int main(void) { return VSS_CTX_BACKUP; }''')
2753 have_vss_sdk = cxx.has_header('vscoordint.h')
2755 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2757 foreach k, v: config_host
2758 if k.startswith('CONFIG_')
2759 config_host_data.set(k, v == 'y' ? 1 : v)
2763 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2764 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2765 if targetos == 'windows'
2766 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2772 }''', name: '_lock_file and _unlock_file'))
2775 if targetos == 'windows'
2776 mingw_has_setjmp_longjmp = cc.links('''
2780 * These functions are not available in setjmp header, but may be
2781 * available at link time, from libmingwex.a.
2783 extern int __mingw_setjmp(jmp_buf);
2784 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2786 __mingw_setjmp(env);
2787 __mingw_longjmp(env, 0);
2789 ''', name: 'mingw setjmp and longjmp')
2791 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2792 error('mingw must provide setjmp/longjmp for windows-arm64')
2796 ########################
2797 # Target configuration #
2798 ########################
2800 minikconf = find_program('scripts/minikconf.py')
2802 config_all_devices = {}
2803 config_all_disas = {}
2804 config_devices_mak_list = []
2805 config_devices_h = {}
2806 config_target_h = {}
2807 config_target_mak = {}
2810 'alpha' : ['CONFIG_ALPHA_DIS'],
2811 'avr' : ['CONFIG_AVR_DIS'],
2812 'cris' : ['CONFIG_CRIS_DIS'],
2813 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2814 'hppa' : ['CONFIG_HPPA_DIS'],
2815 'i386' : ['CONFIG_I386_DIS'],
2816 'x86_64' : ['CONFIG_I386_DIS'],
2817 'm68k' : ['CONFIG_M68K_DIS'],
2818 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2819 'mips' : ['CONFIG_MIPS_DIS'],
2820 'nios2' : ['CONFIG_NIOS2_DIS'],
2821 'or1k' : ['CONFIG_OPENRISC_DIS'],
2822 'ppc' : ['CONFIG_PPC_DIS'],
2823 'riscv' : ['CONFIG_RISCV_DIS'],
2824 'rx' : ['CONFIG_RX_DIS'],
2825 's390' : ['CONFIG_S390_DIS'],
2826 'sh4' : ['CONFIG_SH4_DIS'],
2827 'sparc' : ['CONFIG_SPARC_DIS'],
2828 'xtensa' : ['CONFIG_XTENSA_DIS'],
2829 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2832 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2834 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2835 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2836 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2837 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2838 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2839 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2840 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2841 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2842 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2843 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2844 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2845 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2846 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2847 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2849 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2851 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2852 actual_target_dirs = []
2854 foreach target : target_dirs
2855 config_target = { 'TARGET_NAME': target.split('-')[0] }
2856 if target.endswith('linux-user')
2857 if targetos != 'linux'
2861 error('Target @0@ is only available on a Linux host'.format(target))
2863 config_target += { 'CONFIG_LINUX_USER': 'y' }
2864 elif target.endswith('bsd-user')
2865 if 'CONFIG_BSD' not in config_host
2869 error('Target @0@ is only available on a BSD host'.format(target))
2871 config_target += { 'CONFIG_BSD_USER': 'y' }
2872 elif target.endswith('softmmu')
2873 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2874 config_target += { 'CONFIG_SOFTMMU': 'y' }
2876 if target.endswith('-user')
2878 'CONFIG_USER_ONLY': 'y',
2879 'CONFIG_QEMU_INTERP_PREFIX':
2880 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2885 foreach sym: accelerators
2886 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2887 config_target += { sym: 'y' }
2888 config_all += { sym: 'y' }
2889 if target in modular_tcg
2890 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2892 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2894 accel_kconfig += [ sym + '=y' ]
2897 if accel_kconfig.length() == 0
2901 error('No accelerator available for target @0@'.format(target))
2904 actual_target_dirs += target
2905 config_target += keyval.load('configs/targets' / target + '.mak')
2906 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2908 if 'TARGET_NEED_FDT' in config_target
2909 fdt_required += target
2913 if 'TARGET_BASE_ARCH' not in config_target
2914 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2916 if 'TARGET_ABI_DIR' not in config_target
2917 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2919 if 'TARGET_BIG_ENDIAN' not in config_target
2920 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2923 foreach k, v: disassemblers
2924 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2926 config_target += { sym: 'y' }
2927 config_all_disas += { sym: 'y' }
2932 config_target_data = configuration_data()
2933 foreach k, v: config_target
2934 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2936 elif ignored.contains(k)
2938 elif k == 'TARGET_BASE_ARCH'
2939 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2940 # not used to select files from sourcesets.
2941 config_target_data.set('TARGET_' + v.to_upper(), 1)
2942 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2943 config_target_data.set_quoted(k, v)
2945 config_target_data.set(k, 1)
2947 config_target_data.set(k, 0)
2949 config_target_data.set(k, v)
2952 config_target_data.set('QEMU_ARCH',
2953 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2954 config_target_h += {target: configure_file(output: target + '-config-target.h',
2955 configuration: config_target_data)}
2957 if target.endswith('-softmmu')
2958 config_input = meson.get_external_property(target, 'default')
2959 config_devices_mak = target + '-config-devices.mak'
2960 config_devices_mak = configure_file(
2961 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2962 output: config_devices_mak,
2963 depfile: config_devices_mak + '.d',
2965 command: [minikconf,
2966 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2967 config_devices_mak, '@DEPFILE@', '@INPUT@',
2968 host_kconfig, accel_kconfig,
2969 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2971 config_devices_data = configuration_data()
2972 config_devices = keyval.load(config_devices_mak)
2973 foreach k, v: config_devices
2974 config_devices_data.set(k, 1)
2976 config_devices_mak_list += config_devices_mak
2977 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2978 configuration: config_devices_data)}
2979 config_target += config_devices
2980 config_all_devices += config_devices
2982 config_target_mak += {target: config_target}
2984 target_dirs = actual_target_dirs
2986 # This configuration is used to build files that are shared by
2987 # multiple binaries, and then extracted out of the "common"
2988 # static_library target.
2990 # We do not use all_sources()/all_dependencies(), because it would
2991 # build literally all source files, including devices only used by
2992 # targets that are not built for this compilation. The CONFIG_ALL
2993 # pseudo symbol replaces it.
2995 config_all += config_all_devices
2996 config_all += config_host
2997 config_all += config_all_disas
2999 'CONFIG_XEN': xen.found(),
3000 'CONFIG_SYSTEM_ONLY': have_system,
3001 'CONFIG_USER_ONLY': have_user,
3005 target_configs_h = []
3006 foreach target: target_dirs
3007 target_configs_h += config_target_h[target]
3008 target_configs_h += config_devices_h.get(target, [])
3010 genh += custom_target('config-poison.h',
3011 input: [target_configs_h],
3012 output: 'config-poison.h',
3014 command: [find_program('scripts/make-config-poison.sh'),
3021 capstone = not_found
3022 if not get_option('capstone').auto() or have_system or have_user
3023 capstone = dependency('capstone', version: '>=3.0.5',
3024 method: 'pkg-config',
3025 required: get_option('capstone'))
3027 # Some versions of capstone have broken pkg-config file
3028 # that reports a wrong -I path, causing the #include to
3029 # fail later. If the system has such a broken version
3031 if capstone.found() and not cc.compiles('#include <capstone.h>',
3032 dependencies: [capstone])
3033 capstone = not_found
3034 if get_option('capstone').enabled()
3035 error('capstone requested, but it does not appear to work')
3040 libvfio_user_dep = not_found
3041 if have_system and vfio_user_server_allowed
3042 libvfio_user_proj = subproject('libvfio-user', required: true)
3043 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3047 fdt_opt = get_option('fdt')
3048 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3049 if fdt_opt == 'disabled'
3050 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3053 if fdt_opt in ['enabled', 'auto', 'system']
3054 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3055 if fdt.found() and cc.links('''
3057 #include <libfdt_env.h>
3058 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3061 elif fdt_opt == 'system'
3062 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3064 fdt_opt = 'internal'
3069 assert(fdt_opt == 'internal')
3070 libfdt_proj = subproject('dtc', required: true,
3071 default_options: ['tools=false', 'yaml=disabled',
3072 'python=disabled', 'default_library=static'])
3073 fdt = libfdt_proj.get_variable('libfdt_dep')
3076 fdt_opt = 'disabled'
3079 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3080 config_host_data.set('CONFIG_FDT', fdt.found())
3081 config_host_data.set('CONFIG_SLIRP', slirp.found())
3083 #####################
3084 # Generated sources #
3085 #####################
3087 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3089 hxtool = find_program('scripts/hxtool')
3090 shaderinclude = find_program('scripts/shaderinclude.py')
3091 qapi_gen = find_program('scripts/qapi-gen.py')
3092 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3093 meson.current_source_dir() / 'scripts/qapi/commands.py',
3094 meson.current_source_dir() / 'scripts/qapi/common.py',
3095 meson.current_source_dir() / 'scripts/qapi/error.py',
3096 meson.current_source_dir() / 'scripts/qapi/events.py',
3097 meson.current_source_dir() / 'scripts/qapi/expr.py',
3098 meson.current_source_dir() / 'scripts/qapi/gen.py',
3099 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3100 meson.current_source_dir() / 'scripts/qapi/main.py',
3101 meson.current_source_dir() / 'scripts/qapi/parser.py',
3102 meson.current_source_dir() / 'scripts/qapi/schema.py',
3103 meson.current_source_dir() / 'scripts/qapi/source.py',
3104 meson.current_source_dir() / 'scripts/qapi/types.py',
3105 meson.current_source_dir() / 'scripts/qapi/visit.py',
3106 meson.current_source_dir() / 'scripts/qapi-gen.py'
3110 python, files('scripts/tracetool.py'),
3111 '--backend=' + ','.join(get_option('trace_backends'))
3113 tracetool_depends = files(
3114 'scripts/tracetool/backend/log.py',
3115 'scripts/tracetool/backend/__init__.py',
3116 'scripts/tracetool/backend/dtrace.py',
3117 'scripts/tracetool/backend/ftrace.py',
3118 'scripts/tracetool/backend/simple.py',
3119 'scripts/tracetool/backend/syslog.py',
3120 'scripts/tracetool/backend/ust.py',
3121 'scripts/tracetool/format/ust_events_c.py',
3122 'scripts/tracetool/format/ust_events_h.py',
3123 'scripts/tracetool/format/__init__.py',
3124 'scripts/tracetool/format/d.py',
3125 'scripts/tracetool/format/simpletrace_stap.py',
3126 'scripts/tracetool/format/c.py',
3127 'scripts/tracetool/format/h.py',
3128 'scripts/tracetool/format/log_stap.py',
3129 'scripts/tracetool/format/stap.py',
3130 'scripts/tracetool/__init__.py',
3131 'scripts/tracetool/vcpu.py'
3134 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3135 meson.current_source_dir(),
3136 get_option('pkgversion'), meson.project_version()]
3137 qemu_version = custom_target('qemu-version.h',
3138 output: 'qemu-version.h',
3139 command: qemu_version_cmd,
3141 build_by_default: true,
3142 build_always_stale: true)
3143 genh += qemu_version
3147 ['qemu-options.hx', 'qemu-options.def'],
3148 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3152 ['hmp-commands.hx', 'hmp-commands.h'],
3153 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3156 foreach d : hx_headers
3157 hxdep += custom_target(d[1],
3161 build_by_default: true, # to be removed when added to a target
3162 command: [hxtool, '-h', '@INPUT0@'])
3170 authz_ss = ss.source_set()
3171 blockdev_ss = ss.source_set()
3172 block_ss = ss.source_set()
3173 chardev_ss = ss.source_set()
3174 common_ss = ss.source_set()
3175 crypto_ss = ss.source_set()
3176 hwcore_ss = ss.source_set()
3177 io_ss = ss.source_set()
3178 qmp_ss = ss.source_set()
3179 qom_ss = ss.source_set()
3180 system_ss = ss.source_set()
3181 specific_fuzz_ss = ss.source_set()
3182 specific_ss = ss.source_set()
3183 stub_ss = ss.source_set()
3184 trace_ss = ss.source_set()
3185 user_ss = ss.source_set()
3186 util_ss = ss.source_set()
3189 qtest_module_ss = ss.source_set()
3190 tcg_module_ss = ss.source_set()
3196 target_softmmu_arch = {}
3197 target_user_arch = {}
3203 # TODO: add each directory to the subdirs from its own meson.build, once
3205 trace_events_subdirs = [
3214 trace_events_subdirs += [ 'linux-user' ]
3217 trace_events_subdirs += [ 'bsd-user' ]
3220 trace_events_subdirs += [
3229 trace_events_subdirs += [
3243 'hw/block/dataplane',
3293 if have_system or have_user
3294 trace_events_subdirs += [
3312 vhost_user = not_found
3313 if targetos == 'linux' and have_vhost_user
3314 libvhost_user = subproject('libvhost-user')
3315 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3318 libvduse = not_found
3320 libvduse_proj = subproject('libvduse')
3321 libvduse = libvduse_proj.get_variable('libvduse_dep')
3324 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3325 # that is filled in by qapi/.
3339 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3340 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3343 qom_ss = qom_ss.apply(config_host, strict: false)
3344 libqom = static_library('qom', qom_ss.sources() + genh,
3345 dependencies: [qom_ss.dependencies()],
3347 qom = declare_dependency(link_whole: libqom)
3349 event_loop_base = files('event-loop-base.c')
3350 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3351 build_by_default: true)
3352 event_loop_base = declare_dependency(link_whole: event_loop_base,
3353 dependencies: [qom])
3355 stub_ss = stub_ss.apply(config_all, strict: false)
3357 util_ss.add_all(trace_ss)
3358 util_ss = util_ss.apply(config_all, strict: false)
3359 libqemuutil = static_library('qemuutil',
3360 sources: util_ss.sources() + stub_ss.sources() + genh,
3361 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3362 qemuutil = declare_dependency(link_with: libqemuutil,
3363 sources: genh + version_res,
3364 dependencies: [event_loop_base])
3366 if have_system or have_user
3367 decodetree = generator(find_program('scripts/decodetree.py'),
3368 output: 'decode-@BASENAME@.c.inc',
3369 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3370 subdir('libdecnumber')
3387 if config_host_data.get('CONFIG_REPLICATION')
3388 block_ss.add(files('replication.c'))
3395 blockdev_ss.add(files(
3402 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3403 # os-win32.c does not
3404 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3405 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3408 common_ss.add(files('cpus-common.c'))
3409 specific_ss.add(files('cpu.c'))
3413 # Work around a gcc bug/misfeature wherein constant propagation looks
3415 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3416 # to guess that a const variable is always zero. Without lto, this is
3417 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3418 # without lto, not even the alias is required -- we simply use different
3419 # declarations in different compilation units.
3420 pagevary = files('page-vary-common.c')
3421 if get_option('b_lto')
3422 pagevary_flags = ['-fno-lto']
3423 if get_option('cfi')
3424 pagevary_flags += '-fno-sanitize=cfi-icall'
3426 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3427 c_args: pagevary_flags)
3428 pagevary = declare_dependency(link_with: pagevary)
3430 common_ss.add(pagevary)
3431 specific_ss.add(files('page-vary.c'))
3439 subdir('semihosting')
3447 common_user_inc = []
3449 subdir('common-user')
3451 subdir('linux-user')
3453 # needed for fuzzing binaries
3454 subdir('tests/qtest/libqos')
3455 subdir('tests/qtest/fuzz')
3458 tcg_real_module_ss = ss.source_set()
3459 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3460 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3461 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3462 'tcg': tcg_real_module_ss }}
3464 ########################
3465 # Library dependencies #
3466 ########################
3468 modinfo_collect = find_program('scripts/modinfo-collect.py')
3469 modinfo_generate = find_program('scripts/modinfo-generate.py')
3474 foreach d, list : modules
3475 if not (d == 'block' ? have_block : have_system)
3479 foreach m, module_ss : list
3481 module_ss = module_ss.apply(config_all, strict: false)
3482 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3483 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3489 if module_ss.sources() != []
3490 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3491 # input. Sources can be used multiple times but objects are
3492 # unique when it comes to lookup in compile_commands.json.
3493 # Depnds on a mesion version with
3494 # https://github.com/mesonbuild/meson/pull/8900
3495 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3496 output: d + '-' + m + '.modinfo',
3497 input: module_ss.sources() + genh,
3499 command: [modinfo_collect, module_ss.sources()])
3503 block_ss.add_all(module_ss)
3505 system_ss.add_all(module_ss)
3511 foreach d, list : target_modules
3512 foreach m, module_ss : list
3514 foreach target : target_dirs
3515 if target.endswith('-softmmu')
3516 config_target = config_target_mak[target]
3517 config_target += config_host
3518 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3519 c_args = ['-DNEED_CPU_H',
3520 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3521 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3522 target_module_ss = module_ss.apply(config_target, strict: false)
3523 if target_module_ss.sources() != []
3524 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3525 sl = static_library(module_name,
3526 [genh, target_module_ss.sources()],
3527 dependencies: [modulecommon, target_module_ss.dependencies()],
3528 include_directories: target_inc,
3532 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3533 modinfo_files += custom_target(module_name + '.modinfo',
3534 output: module_name + '.modinfo',
3535 input: target_module_ss.sources() + genh,
3537 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3542 specific_ss.add_all(module_ss)
3548 foreach target : target_dirs
3549 if target.endswith('-softmmu')
3550 config_target = config_target_mak[target]
3551 config_devices_mak = target + '-config-devices.mak'
3552 modinfo_src = custom_target('modinfo-' + target + '.c',
3553 output: 'modinfo-' + target + '.c',
3554 input: modinfo_files,
3555 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3558 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3559 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3561 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3562 hw_arch[arch].add(modinfo_dep)
3567 nm = find_program('nm')
3568 undefsym = find_program('scripts/undefsym.py')
3569 block_syms = custom_target('block.syms', output: 'block.syms',
3570 input: [libqemuutil, block_mods],
3572 command: [undefsym, nm, '@INPUT@'])
3573 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3574 input: [libqemuutil, softmmu_mods],
3576 command: [undefsym, nm, '@INPUT@'])
3578 authz_ss = authz_ss.apply(config_host, strict: false)
3579 libauthz = static_library('authz', authz_ss.sources() + genh,
3580 dependencies: [authz_ss.dependencies()],
3582 build_by_default: false)
3584 authz = declare_dependency(link_whole: libauthz,
3587 crypto_ss = crypto_ss.apply(config_host, strict: false)
3588 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3589 dependencies: [crypto_ss.dependencies()],
3591 build_by_default: false)
3593 crypto = declare_dependency(link_whole: libcrypto,
3594 dependencies: [authz, qom])
3596 io_ss = io_ss.apply(config_host, strict: false)
3597 libio = static_library('io', io_ss.sources() + genh,
3598 dependencies: [io_ss.dependencies()],
3599 link_with: libqemuutil,
3601 build_by_default: false)
3603 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3605 libmigration = static_library('migration', sources: migration_files + genh,
3607 build_by_default: false)
3608 migration = declare_dependency(link_with: libmigration,
3609 dependencies: [zlib, qom, io])
3610 system_ss.add(migration)
3612 block_ss = block_ss.apply(config_host, strict: false)
3613 libblock = static_library('block', block_ss.sources() + genh,
3614 dependencies: block_ss.dependencies(),
3615 link_depends: block_syms,
3617 build_by_default: false)
3619 block = declare_dependency(link_whole: [libblock],
3620 link_args: '@block.syms',
3621 dependencies: [crypto, io])
3623 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3624 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3625 dependencies: blockdev_ss.dependencies(),
3627 build_by_default: false)
3629 blockdev = declare_dependency(link_whole: [libblockdev],
3630 dependencies: [block, event_loop_base])
3632 qmp_ss = qmp_ss.apply(config_host, strict: false)
3633 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3634 dependencies: qmp_ss.dependencies(),
3636 build_by_default: false)
3638 qmp = declare_dependency(link_whole: [libqmp])
3640 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3642 dependencies: chardev_ss.dependencies(),
3643 build_by_default: false)
3645 chardev = declare_dependency(link_whole: libchardev)
3647 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3648 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3650 build_by_default: false)
3651 hwcore = declare_dependency(link_whole: libhwcore)
3652 common_ss.add(hwcore)
3658 emulator_modules = []
3659 foreach m : block_mods + softmmu_mods
3660 emulator_modules += shared_module(m.name(),
3661 build_by_default: true,
3665 install_dir: qemu_moddir)
3667 if emulator_modules.length() > 0
3668 alias_target('modules', emulator_modules)
3671 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3672 common_ss.add(qom, qemuutil)
3674 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3675 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3677 common_all = common_ss.apply(config_all, strict: false)
3678 common_all = static_library('common',
3679 build_by_default: false,
3680 sources: common_all.sources() + genh,
3681 include_directories: common_user_inc,
3682 implicit_include_directories: false,
3683 dependencies: common_all.dependencies(),
3686 feature_to_c = find_program('scripts/feature_to_c.sh')
3688 if targetos == 'darwin'
3689 entitlement = find_program('scripts/entitlement.sh')
3693 foreach target : target_dirs
3694 config_target = config_target_mak[target]
3695 target_name = config_target['TARGET_NAME']
3696 target_base_arch = config_target['TARGET_BASE_ARCH']
3697 arch_srcs = [config_target_h[target]]
3699 c_args = ['-DNEED_CPU_H',
3700 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3701 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3702 link_args = emulator_link_args
3704 config_target += config_host
3705 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3706 if targetos == 'linux'
3707 target_inc += include_directories('linux-headers', is_system: true)
3709 if target.endswith('-softmmu')
3710 target_type='system'
3711 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3712 arch_srcs += t.sources()
3713 arch_deps += t.dependencies()
3715 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3716 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3717 arch_srcs += hw.sources()
3718 arch_deps += hw.dependencies()
3720 arch_srcs += config_devices_h[target]
3721 link_args += ['@block.syms', '@qemu.syms']
3723 abi = config_target['TARGET_ABI_DIR']
3725 target_inc += common_user_inc
3726 if target_base_arch in target_user_arch
3727 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3728 arch_srcs += t.sources()
3729 arch_deps += t.dependencies()
3731 if 'CONFIG_LINUX_USER' in config_target
3732 base_dir = 'linux-user'
3734 if 'CONFIG_BSD_USER' in config_target
3735 base_dir = 'bsd-user'
3736 target_inc += include_directories('bsd-user/' / targetos)
3737 target_inc += include_directories('bsd-user/host/' / host_arch)
3738 dir = base_dir / abi
3739 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3741 target_inc += include_directories(
3745 if 'CONFIG_LINUX_USER' in config_target
3746 dir = base_dir / abi
3747 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3748 if config_target.has_key('TARGET_SYSTBL_ABI')
3750 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3751 extra_args : config_target['TARGET_SYSTBL_ABI'])
3756 if 'TARGET_XML_FILES' in config_target
3757 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3758 output: target + '-gdbstub-xml.c',
3759 input: files(config_target['TARGET_XML_FILES'].split()),
3760 command: [feature_to_c, '@INPUT@'],
3762 arch_srcs += gdbstub_xml
3765 t = target_arch[target_base_arch].apply(config_target, strict: false)
3766 arch_srcs += t.sources()
3767 arch_deps += t.dependencies()
3769 target_common = common_ss.apply(config_target, strict: false)
3770 objects = common_all.extract_objects(target_common.sources())
3771 deps = target_common.dependencies()
3773 target_specific = specific_ss.apply(config_target, strict: false)
3774 arch_srcs += target_specific.sources()
3775 arch_deps += target_specific.dependencies()
3777 lib = static_library('qemu-' + target,
3778 sources: arch_srcs + genh,
3779 dependencies: arch_deps,
3781 include_directories: target_inc,
3783 build_by_default: false,
3786 if target.endswith('-softmmu')
3788 'name': 'qemu-system-' + target_name,
3789 'win_subsystem': 'console',
3790 'sources': files('softmmu/main.c'),
3793 if targetos == 'windows' and (sdl.found() or gtk.found())
3795 'name': 'qemu-system-' + target_name + 'w',
3796 'win_subsystem': 'windows',
3797 'sources': files('softmmu/main.c'),
3801 if get_option('fuzzing')
3802 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3804 'name': 'qemu-fuzz-' + target_name,
3805 'win_subsystem': 'console',
3806 'sources': specific_fuzz.sources(),
3807 'dependencies': specific_fuzz.dependencies(),
3812 'name': 'qemu-' + target_name,
3813 'win_subsystem': 'console',
3819 exe_name = exe['name']
3820 if targetos == 'darwin'
3821 exe_name += '-unsigned'
3824 emulator = executable(exe_name, exe['sources'],
3827 dependencies: arch_deps + deps + exe['dependencies'],
3828 objects: lib.extract_all_objects(recursive: true),
3829 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3830 link_args: link_args,
3831 win_subsystem: exe['win_subsystem'])
3833 if targetos == 'darwin'
3834 icon = 'pc-bios/qemu.rsrc'
3835 build_input = [emulator, files(icon)]
3837 get_option('bindir') / exe_name,
3838 meson.current_source_dir() / icon
3840 if 'CONFIG_HVF' in config_target
3841 entitlements = 'accel/hvf/entitlements.plist'
3842 build_input += files(entitlements)
3843 install_input += meson.current_source_dir() / entitlements
3846 emulators += {exe['name'] : custom_target(exe['name'],
3848 output: exe['name'],
3849 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3852 meson.add_install_script(entitlement, '--install',
3853 get_option('bindir') / exe['name'],
3856 emulators += {exe['name']: emulator}
3861 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3862 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3863 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3864 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3866 custom_target(exe['name'] + stp['ext'],
3867 input: trace_events_all,
3868 output: exe['name'] + stp['ext'],
3869 install: stp['install'],
3870 install_dir: get_option('datadir') / 'systemtap/tapset',
3872 tracetool, '--group=all', '--format=' + stp['fmt'],
3873 '--binary=' + stp['bin'],
3874 '--target-name=' + target_name,
3875 '--target-type=' + target_type,
3876 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3877 '@INPUT@', '@OUTPUT@'
3879 depend_files: tracetool_depends)
3885 # Other build targets
3887 if 'CONFIG_PLUGIN' in config_host
3888 install_headers('include/qemu/qemu-plugin.h')
3893 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3894 # when we don't build tools or system
3895 if xkbcommon.found()
3896 # used for the update-keymaps target, so include rules even if !have_tools
3897 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3898 dependencies: [qemuutil, xkbcommon], install: have_tools)
3902 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3903 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3904 qemu_io = executable('qemu-io', files('qemu-io.c'),
3905 dependencies: [block, qemuutil], install: true)
3906 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3907 dependencies: [blockdev, qemuutil, gnutls, selinux],
3910 subdir('storage-daemon')
3911 subdir('contrib/rdmacm-mux')
3912 subdir('contrib/elf2dmp')
3914 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3915 dependencies: qemuutil,
3919 subdir('contrib/vhost-user-blk')
3920 subdir('contrib/vhost-user-gpu')
3921 subdir('contrib/vhost-user-input')
3922 subdir('contrib/vhost-user-scsi')
3925 if targetos == 'linux'
3926 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3927 dependencies: [qemuutil, libcap_ng],
3929 install_dir: get_option('libexecdir'))
3931 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3932 dependencies: [authz, crypto, io, qom, qemuutil,
3933 libcap_ng, mpathpersist],
3938 subdir('contrib/ivshmem-client')
3939 subdir('contrib/ivshmem-server')
3952 if host_machine.system() == 'windows'
3954 find_program('scripts/nsis.py'),
3956 get_option('prefix'),
3957 meson.current_source_dir(),
3958 glib_pc.get_variable('bindir'),
3961 '-DDISPLAYVERSION=' + meson.project_version(),
3964 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3967 nsis_cmd += '-DCONFIG_GTK=y'
3970 nsis = custom_target('nsis',
3971 output: 'qemu-setup-' + meson.project_version() + '.exe',
3972 input: files('qemu.nsi'),
3973 build_always_stale: true,
3974 command: nsis_cmd + ['@INPUT@'])
3975 alias_target('installer', nsis)
3978 #########################
3979 # Configuration summary #
3980 #########################
3984 summary_info += {'Build directory': meson.current_build_dir()}
3985 summary_info += {'Source path': meson.current_source_dir()}
3986 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3987 summary(summary_info, bool_yn: true, section: 'Build environment')
3990 summary_info += {'Install prefix': get_option('prefix')}
3991 summary_info += {'BIOS directory': qemu_datadir}
3992 pathsep = targetos == 'windows' ? ';' : ':'
3993 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3994 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3995 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3996 summary_info += {'module directory': qemu_moddir}
3997 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3998 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3999 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4000 if targetos != 'windows'
4001 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4002 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4004 summary_info += {'local state directory': 'queried at runtime'}
4006 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4007 summary(summary_info, bool_yn: true, section: 'Directories')
4011 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4012 summary_info += {'sphinx-build': sphinx_build}
4013 if config_host.has_key('HAVE_GDB_BIN')
4014 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4016 summary_info += {'iasl': iasl}
4017 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4018 if targetos == 'windows' and have_ga
4019 summary_info += {'wixl': wixl}
4021 if slirp.found() and have_system
4022 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4024 summary(summary_info, bool_yn: true, section: 'Host binaries')
4026 # Configurable features
4028 summary_info += {'Documentation': build_docs}
4029 summary_info += {'system-mode emulation': have_system}
4030 summary_info += {'user-mode emulation': have_user}
4031 summary_info += {'block layer': have_block}
4032 summary_info += {'Install blobs': get_option('install_blobs')}
4033 summary_info += {'module support': enable_modules}
4035 summary_info += {'alternative module path': get_option('module_upgrades')}
4037 summary_info += {'fuzzing support': get_option('fuzzing')}
4039 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4041 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4042 if 'simple' in get_option('trace_backends')
4043 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4045 summary_info += {'D-Bus display': dbus_display}
4046 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4047 summary_info += {'vhost-kernel support': have_vhost_kernel}
4048 summary_info += {'vhost-net support': have_vhost_net}
4049 summary_info += {'vhost-user support': have_vhost_user}
4050 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4051 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4052 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4053 summary_info += {'build guest agent': have_ga}
4054 summary(summary_info, bool_yn: true, section: 'Configurable features')
4056 # Compilation information
4058 summary_info += {'host CPU': cpu}
4059 summary_info += {'host endianness': build_machine.endian()}
4060 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4061 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4062 if 'cpp' in all_languages
4063 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4065 summary_info += {'C++ compiler': false}
4067 if targetos == 'darwin'
4068 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4070 option_cflags = (get_option('debug') ? ['-g'] : [])
4071 if get_option('optimization') != 'plain'
4072 option_cflags += ['-O' + get_option('optimization')]
4074 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4075 if 'cpp' in all_languages
4076 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4078 if targetos == 'darwin'
4079 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4081 link_args = get_option('c_link_args')
4082 if link_args.length() > 0
4083 summary_info += {'LDFLAGS': ' '.join(link_args)}
4085 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4086 if 'cpp' in all_languages
4087 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4089 if 'objc' in all_languages
4090 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4092 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4093 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4094 summary_info += {'PIE': get_option('b_pie')}
4095 summary_info += {'static build': get_option('prefer_static')}
4096 summary_info += {'malloc trim support': has_malloc_trim}
4097 summary_info += {'membarrier': have_membarrier}
4098 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4099 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4100 summary_info += {'mutex debugging': get_option('debug_mutex')}
4101 summary_info += {'memory allocator': get_option('malloc')}
4102 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4103 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4104 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4105 if get_option('gprof')
4106 gprof_info = 'YES (deprecated)'
4108 gprof_info = get_option('gprof')
4110 summary_info += {'gprof': gprof_info}
4111 summary_info += {'gcov': get_option('b_coverage')}
4112 summary_info += {'thread sanitizer': get_option('tsan')}
4113 summary_info += {'CFI support': get_option('cfi')}
4114 if get_option('cfi')
4115 summary_info += {'CFI debug support': get_option('cfi_debug')}
4117 summary_info += {'strip binaries': get_option('strip')}
4118 summary_info += {'sparse': sparse}
4119 summary_info += {'mingw32 support': targetos == 'windows'}
4120 summary(summary_info, bool_yn: true, section: 'Compilation')
4122 # snarf the cross-compilation information for tests
4125 foreach target: target_dirs
4126 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4127 if fs.exists(tcg_mak)
4128 config_cross_tcg = keyval.load(tcg_mak)
4129 if 'CC' in config_cross_tcg
4130 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4136 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4139 # Targets and accelerators
4142 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4143 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4144 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4145 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4146 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4147 summary_info += {'Xen support': xen.found()}
4149 summary_info += {'xen ctrl version': xen.version()}
4151 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4153 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4154 if config_all.has_key('CONFIG_TCG')
4155 if get_option('tcg_interpreter')
4156 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4158 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4160 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
4161 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
4163 summary_info += {'target list': ' '.join(target_dirs)}
4165 summary_info += {'default devices': get_option('default_devices')}
4166 summary_info += {'out of process emulation': multiprocess_allowed}
4167 summary_info += {'vfio-user server': vfio_user_server_allowed}
4169 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4173 summary_info += {'coroutine backend': coroutine_backend}
4174 summary_info += {'coroutine pool': have_coroutine_pool}
4176 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4177 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4178 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4179 summary_info += {'VirtFS (9P) support': have_virtfs}
4180 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4181 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4182 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4183 summary_info += {'bochs support': get_option('bochs').allowed()}
4184 summary_info += {'cloop support': get_option('cloop').allowed()}
4185 summary_info += {'dmg support': get_option('dmg').allowed()}
4186 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4187 summary_info += {'vdi support': get_option('vdi').allowed()}
4188 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4189 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4190 summary_info += {'vpc support': get_option('vpc').allowed()}
4191 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4192 summary_info += {'qed support': get_option('qed').allowed()}
4193 summary_info += {'parallels support': get_option('parallels').allowed()}
4194 summary_info += {'FUSE exports': fuse}
4195 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4197 summary(summary_info, bool_yn: true, section: 'Block layer support')
4201 summary_info += {'TLS priority': get_option('tls_priority')}
4202 summary_info += {'GNUTLS support': gnutls}
4204 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4206 summary_info += {'libgcrypt': gcrypt}
4207 summary_info += {'nettle': nettle}
4209 summary_info += {' XTS': xts != 'private'}
4211 summary_info += {'AF_ALG support': have_afalg}
4212 summary_info += {'rng-none': get_option('rng_none')}
4213 summary_info += {'Linux keyring': have_keyring}
4214 summary(summary_info, bool_yn: true, section: 'Crypto')
4218 if targetos == 'darwin'
4219 summary_info += {'Cocoa support': cocoa}
4221 summary_info += {'SDL support': sdl}
4222 summary_info += {'SDL image support': sdl_image}
4223 summary_info += {'GTK support': gtk}
4224 summary_info += {'pixman': pixman}
4225 summary_info += {'VTE support': vte}
4226 summary_info += {'PNG support': png}
4227 summary_info += {'VNC support': vnc}
4229 summary_info += {'VNC SASL support': sasl}
4230 summary_info += {'VNC JPEG support': jpeg}
4232 summary_info += {'spice protocol support': spice_protocol}
4233 if spice_protocol.found()
4234 summary_info += {' spice server support': spice}
4236 summary_info += {'curses support': curses}
4237 summary_info += {'brlapi support': brlapi}
4238 summary(summary_info, bool_yn: true, section: 'User interface')
4242 if targetos not in ['darwin', 'haiku', 'windows']
4243 summary_info += {'OSS support': oss}
4244 summary_info += {'sndio support': sndio}
4245 elif targetos == 'darwin'
4246 summary_info += {'CoreAudio support': coreaudio}
4247 elif targetos == 'windows'
4248 summary_info += {'DirectSound support': dsound}
4250 if targetos == 'linux'
4251 summary_info += {'ALSA support': alsa}
4252 summary_info += {'PulseAudio support': pulse}
4254 summary_info += {'PipeWire support': pipewire}
4255 summary_info += {'JACK support': jack}
4256 summary(summary_info, bool_yn: true, section: 'Audio backends')
4260 if targetos == 'darwin'
4261 summary_info += {'vmnet.framework support': vmnet}
4263 summary_info += {'slirp support': slirp}
4264 summary_info += {'vde support': vde}
4265 summary_info += {'netmap support': have_netmap}
4266 summary_info += {'l2tpv3 support': have_l2tpv3}
4267 summary(summary_info, bool_yn: true, section: 'Network backends')
4271 summary_info += {'libtasn1': tasn1}
4272 summary_info += {'PAM': pam}
4273 summary_info += {'iconv support': iconv}
4274 summary_info += {'virgl support': virgl}
4275 summary_info += {'blkio support': blkio}
4276 summary_info += {'curl support': curl}
4277 summary_info += {'Multipath support': mpathpersist}
4278 summary_info += {'Linux AIO support': libaio}
4279 summary_info += {'Linux io_uring support': linux_io_uring}
4280 summary_info += {'ATTR/XATTR support': libattr}
4281 summary_info += {'RDMA support': rdma}
4282 summary_info += {'PVRDMA support': have_pvrdma}
4283 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4284 summary_info += {'libcap-ng support': libcap_ng}
4285 summary_info += {'bpf support': libbpf}
4286 summary_info += {'rbd support': rbd}
4287 summary_info += {'smartcard support': cacard}
4288 summary_info += {'U2F support': u2f}
4289 summary_info += {'libusb': libusb}
4290 summary_info += {'usb net redir': usbredir}
4291 summary_info += {'OpenGL support (epoxy)': opengl}
4292 summary_info += {'GBM': gbm}
4293 summary_info += {'libiscsi support': libiscsi}
4294 summary_info += {'libnfs support': libnfs}
4295 if targetos == 'windows'
4297 summary_info += {'QGA VSS support': have_qga_vss}
4300 summary_info += {'seccomp support': seccomp}
4301 summary_info += {'GlusterFS support': glusterfs}
4302 summary_info += {'TPM support': have_tpm}
4303 summary_info += {'libssh support': libssh}
4304 summary_info += {'lzo support': lzo}
4305 summary_info += {'snappy support': snappy}
4306 summary_info += {'bzip2 support': libbzip2}
4307 summary_info += {'lzfse support': liblzfse}
4308 summary_info += {'zstd support': zstd}
4309 summary_info += {'NUMA host support': numa}
4310 summary_info += {'capstone': capstone}
4311 summary_info += {'libpmem support': libpmem}
4312 summary_info += {'libdaxctl support': libdaxctl}
4313 summary_info += {'libudev': libudev}
4314 # Dummy dependency, keep .found()
4315 summary_info += {'FUSE lseek': fuse_lseek.found()}
4316 summary_info += {'selinux': selinux}
4317 summary_info += {'libdw': libdw}
4318 summary(summary_info, bool_yn: true, section: 'Dependencies')
4320 if not supported_cpus.contains(cpu)
4322 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4324 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4325 message('The QEMU project intends to remove support for this host CPU in')
4326 message('a future release if nobody volunteers to maintain it and to')
4327 message('provide a build host for our continuous integration setup.')
4328 message('configure has succeeded and you can continue to build, but')
4329 message('if you care about QEMU on this platform you should contact')
4330 message('us upstream at qemu-devel@nongnu.org.')
4333 if not supported_oses.contains(targetos)
4335 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4337 message('Host OS ' + targetos + 'support is not currently maintained.')
4338 message('The QEMU project intends to remove support for this host OS in')
4339 message('a future release if nobody volunteers to maintain it and to')
4340 message('provide a build host for our continuous integration setup.')
4341 message('configure has succeeded and you can continue to build, but')
4342 message('if you care about QEMU on this platform you should contact')
4343 message('us upstream at qemu-devel@nongnu.org.')