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 not get_option('tcg_interpreter')
682 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
684 elif get_option('tcg_interpreter')
685 warning('Use of the TCG interpreter is not recommended on this host')
686 warning('architecture. There is a native TCG execution backend available')
687 warning('which provides substantially better performance and reliability.')
688 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
689 warning('configuration option on this architecture to use the native')
692 if get_option('tcg_interpreter')
694 config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
695 elif host_arch == 'x86_64'
697 elif host_arch == 'ppc64'
700 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
701 language: all_languages)
703 accelerators += 'CONFIG_TCG'
704 config_host += { 'CONFIG_TCG': 'y' }
707 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
708 error('KVM not available on this platform')
710 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
711 error('HVF not available on this platform')
713 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
714 error('NVMM not available on this platform')
716 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
717 error('WHPX not available on this platform')
724 # When bumping glib minimum version, please check also whether to increase
725 # the _WIN32_WINNT setting in osdep.h according to the value from glib
726 glib_req_ver = '>=2.56.0'
727 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
728 method: 'pkg-config')
731 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
732 method: 'pkg-config')
733 elif get_option('plugins')
734 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
735 method: 'pkg-config')
740 # This workaround is required due to a bug in pkg-config file for glib as it
741 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
742 if targetos == 'windows' and get_option('prefer_static')
743 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
746 # Sanity check that the current size_t matches the
747 # size that glib thinks it should be. This catches
748 # problems on multi-arch where people try to build
749 # 32-bit QEMU while pointing at 64-bit glib headers
751 if not cc.compiles('''
755 #define QEMU_BUILD_BUG_ON(x) \
756 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
759 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
761 }''', dependencies: glib_pc, args: glib_cflags)
762 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
763 You probably need to set PKG_CONFIG_LIBDIR" to point
764 to the right pkg-config files for your build target.''')
767 # Silence clang warnings triggered by glib < 2.57.2
768 if not cc.compiles('''
773 static void foo_free(Foo *f)
777 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
778 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
779 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
781 glib = declare_dependency(dependencies: [glib_pc, gmodule],
782 compile_args: glib_cflags,
783 version: glib_pc.version())
785 # Check whether glib has gslice, which we have to avoid for correctness.
786 # TODO: remove this check and the corresponding workaround (qtree) when
787 # the minimum supported glib is >= 2.75.3
788 glib_has_gslice = glib.version().version_compare('<2.75.3')
790 # override glib dep to include the above refinements
791 meson.override_dependency('glib-2.0', glib)
793 # The path to glib.h is added to all compilation commands.
794 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
795 native: false, language: all_languages)
798 gdbus_codegen = not_found
799 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
800 if not get_option('gio').auto() or have_system
801 gio = dependency('gio-2.0', required: get_option('gio'),
802 method: 'pkg-config')
803 if gio.found() and not cc.links('''
807 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
809 }''', dependencies: [glib, gio])
810 if get_option('gio').enabled()
811 error('The installed libgio is broken for static linking')
816 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
817 required: get_option('gio'))
818 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
819 method: 'pkg-config')
820 gio = declare_dependency(dependencies: [gio, gio_unix],
821 version: gio.version())
824 if gdbus_codegen.found() and get_option('cfi')
825 gdbus_codegen = not_found
826 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
829 xml_pp = find_program('scripts/xml-preprocess.py')
832 if 'ust' in get_option('trace_backends')
833 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
834 method: 'pkg-config')
837 if have_system or have_tools
838 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
839 method: 'pkg-config')
841 zlib = dependency('zlib', required: true)
844 if not get_option('linux_aio').auto() or have_block
845 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
846 required: get_option('linux_aio'))
849 linux_io_uring_test = '''
850 #include <liburing.h>
851 #include <linux/errqueue.h>
853 int main(void) { return 0; }'''
855 linux_io_uring = not_found
856 if not get_option('linux_io_uring').auto() or have_block
857 linux_io_uring = dependency('liburing', version: '>=0.3',
858 required: get_option('linux_io_uring'),
859 method: 'pkg-config')
860 if not cc.links(linux_io_uring_test)
861 linux_io_uring = not_found
866 if not get_option('libnfs').auto() or have_block
867 libnfs = dependency('libnfs', version: '>=1.9.3',
868 required: get_option('libnfs'),
869 method: 'pkg-config')
874 #include <sys/types.h>
875 #ifdef CONFIG_LIBATTR
876 #include <attr/xattr.h>
878 #include <sys/xattr.h>
880 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
883 have_old_libattr = false
884 if get_option('attr').allowed()
885 if cc.links(libattr_test)
886 libattr = declare_dependency()
888 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
889 required: get_option('attr'))
890 if libattr.found() and not \
891 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
893 if get_option('attr').enabled()
894 error('could not link libattr')
896 warning('could not link libattr, disabling')
899 have_old_libattr = libattr.found()
904 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
905 required: get_option('cocoa'))
907 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
908 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
909 'VMNET_BRIDGED_MODE',
912 if get_option('vmnet').enabled()
913 error('vmnet.framework API is outdated')
915 warning('vmnet.framework API is outdated, disabling')
920 seccomp_has_sysrawrc = false
921 if not get_option('seccomp').auto() or have_system or have_tools
922 seccomp = dependency('libseccomp', version: '>=2.3.0',
923 required: get_option('seccomp'),
924 method: 'pkg-config')
926 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
927 'SCMP_FLTATR_API_SYSRAWRC',
928 dependencies: seccomp)
932 libcap_ng = not_found
933 if not get_option('cap_ng').auto() or have_system or have_tools
934 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
935 required: get_option('cap_ng'))
937 if libcap_ng.found() and not cc.links('''
941 capng_capability_to_name(CAPNG_EFFECTIVE);
943 }''', dependencies: libcap_ng)
944 libcap_ng = not_found
945 if get_option('cap_ng').enabled()
946 error('could not link libcap-ng')
948 warning('could not link libcap-ng, disabling')
952 if get_option('xkbcommon').auto() and not have_system and not have_tools
953 xkbcommon = not_found
955 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
956 method: 'pkg-config')
960 if not get_option('slirp').auto() or have_system
961 slirp = dependency('slirp', required: get_option('slirp'),
962 method: 'pkg-config')
963 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
964 # it passes function pointers within libslirp as callbacks for timers.
965 # When using a system-wide shared libslirp, the type information for the
966 # callback is missing and the timer call produces a false positive with CFI.
967 # Do not use the "version" keyword argument to produce a better error.
968 # with control-flow integrity.
969 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
970 if get_option('slirp').enabled()
971 error('Control-Flow Integrity requires libslirp 4.7.')
973 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
980 if not get_option('vde').auto() or have_system or have_tools
981 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
982 required: get_option('vde'))
984 if vde.found() and not cc.links('''
985 #include <libvdeplug.h>
988 struct vde_open_args a = {0, 0, 0};
992 }''', dependencies: vde)
994 if get_option('cap_ng').enabled()
995 error('could not link libvdeplug')
997 warning('could not link libvdeplug, disabling')
1002 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
1003 pulse = dependency('libpulse', required: get_option('pa'),
1004 method: 'pkg-config')
1007 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1008 alsa = dependency('alsa', required: get_option('alsa'),
1009 method: 'pkg-config')
1012 if not get_option('jack').auto() or have_system
1013 jack = dependency('jack', required: get_option('jack'),
1014 method: 'pkg-config')
1016 pipewire = not_found
1017 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1018 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1019 required: get_option('pipewire'),
1020 method: 'pkg-config')
1023 if not get_option('sndio').auto() or have_system
1024 sndio = dependency('sndio', required: get_option('sndio'),
1025 method: 'pkg-config')
1028 spice_protocol = not_found
1029 if not get_option('spice_protocol').auto() or have_system
1030 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1031 required: get_option('spice_protocol'),
1032 method: 'pkg-config')
1035 if not get_option('spice').auto() or have_system
1036 spice = dependency('spice-server', version: '>=0.14.0',
1037 required: get_option('spice'),
1038 method: 'pkg-config')
1040 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1042 rt = cc.find_library('rt', required: false)
1044 libiscsi = not_found
1045 if not get_option('libiscsi').auto() or have_block
1046 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1047 required: get_option('libiscsi'),
1048 method: 'pkg-config')
1051 if not get_option('zstd').auto() or have_block
1052 zstd = dependency('libzstd', version: '>=1.4.0',
1053 required: get_option('zstd'),
1054 method: 'pkg-config')
1058 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1059 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1060 virgl = dependency('virglrenderer',
1061 method: 'pkg-config',
1062 required: get_option('virglrenderer'))
1064 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1065 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1066 prefix: '#include <virglrenderer.h>',
1067 dependencies: virgl))
1071 if not get_option('blkio').auto() or have_block
1072 blkio = dependency('blkio',
1073 method: 'pkg-config',
1074 required: get_option('blkio'))
1077 if not get_option('curl').auto() or have_block
1078 curl = dependency('libcurl', version: '>=7.29.0',
1079 method: 'pkg-config',
1080 required: get_option('curl'))
1083 if targetos == 'linux' and (have_system or have_tools)
1084 libudev = dependency('libudev',
1085 method: 'pkg-config',
1086 required: get_option('libudev'))
1089 mpathlibs = [libudev]
1090 mpathpersist = not_found
1091 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1092 mpath_test_source = '''
1093 #include <libudev.h>
1094 #include <mpath_persist.h>
1095 unsigned mpath_mx_alloc_len = 1024;
1097 static struct config *multipath_conf;
1098 extern struct udev *udev;
1099 extern struct config *get_multipath_config(void);
1100 extern void put_multipath_config(struct config *conf);
1102 struct config *get_multipath_config(void) { return multipath_conf; }
1103 void put_multipath_config(struct config *conf) { }
1106 multipath_conf = mpath_lib_init();
1109 libmpathpersist = cc.find_library('mpathpersist',
1110 required: get_option('mpath'))
1111 if libmpathpersist.found()
1112 mpathlibs += libmpathpersist
1113 if get_option('prefer_static')
1114 mpathlibs += cc.find_library('devmapper',
1115 required: get_option('mpath'))
1117 mpathlibs += cc.find_library('multipath',
1118 required: get_option('mpath'))
1119 foreach lib: mpathlibs
1125 if mpathlibs.length() == 0
1126 msg = 'Dependencies missing for libmpathpersist'
1127 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1128 mpathpersist = declare_dependency(dependencies: mpathlibs)
1130 msg = 'Cannot detect libmpathpersist API'
1132 if not mpathpersist.found()
1133 if get_option('mpath').enabled()
1136 warning(msg + ', disabling')
1144 if have_system and get_option('curses').allowed()
1146 #if defined(__APPLE__) || defined(__OpenBSD__)
1147 #define _XOPEN_SOURCE_EXTENDED 1
1154 setlocale(LC_ALL, "");
1156 addwstr(L"wide chars\n");
1158 add_wch(WACS_DEGREE);
1162 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1163 curses = dependency(curses_dep_list,
1165 method: 'pkg-config')
1166 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1167 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1169 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1170 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1171 version: curses.version())
1173 msg = 'curses package not usable'
1177 if not curses.found()
1178 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1179 if targetos != 'windows' and not has_curses_h
1180 message('Trying with /usr/include/ncursesw')
1181 curses_compile_args += ['-I/usr/include/ncursesw']
1182 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1185 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1186 foreach curses_libname : curses_libname_list
1187 libcurses = cc.find_library(curses_libname,
1189 if libcurses.found()
1190 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1191 curses = declare_dependency(compile_args: curses_compile_args,
1192 dependencies: [libcurses])
1195 msg = 'curses library not usable'
1201 if get_option('iconv').allowed()
1202 foreach link_args : [ ['-liconv'], [] ]
1203 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1204 # We need to use libiconv if available because mixing libiconv's headers with
1205 # the system libc does not work.
1206 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1207 # included in the command line and libiconv will not be found.
1211 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1212 return conv != (iconv_t) -1;
1213 }''', args: link_args, dependencies: glib)
1214 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1219 if curses.found() and not iconv.found()
1220 if get_option('iconv').enabled()
1221 error('iconv not available')
1223 msg = 'iconv required for curses UI but not available'
1226 if not curses.found() and msg != ''
1227 if get_option('curses').enabled()
1230 warning(msg + ', disabling')
1236 if not get_option('brlapi').auto() or have_system
1237 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1238 required: get_option('brlapi'))
1239 if brlapi.found() and not cc.links('''
1242 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1244 if get_option('brlapi').enabled()
1245 error('could not link brlapi')
1247 warning('could not link brlapi, disabling')
1253 if not get_option('sdl').auto() or have_system
1254 sdl = dependency('sdl2', required: get_option('sdl'))
1255 sdl_image = not_found
1258 # Some versions of SDL have problems with -Wundef
1259 if not cc.compiles('''
1261 #include <SDL_syswm.h>
1262 int main(int argc, char *argv[]) { return 0; }
1263 ''', dependencies: sdl, args: '-Werror=undef')
1264 sdl = declare_dependency(compile_args: '-Wno-undef',
1266 version: sdl.version())
1268 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1269 method: 'pkg-config')
1271 if get_option('sdl_image').enabled()
1272 error('sdl-image required, but SDL was @0@'.format(
1273 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1275 sdl_image = not_found
1279 if not get_option('rbd').auto() or have_block
1280 librados = cc.find_library('rados', required: get_option('rbd'))
1281 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1282 required: get_option('rbd'))
1283 if librados.found() and librbd.found()
1286 #include <rbd/librbd.h>
1289 rados_create(&cluster, NULL);
1290 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1294 }''', dependencies: [librbd, librados])
1295 rbd = declare_dependency(dependencies: [librbd, librados])
1296 elif get_option('rbd').enabled()
1297 error('librbd >= 1.12.0 required')
1299 warning('librbd >= 1.12.0 not found, disabling')
1304 glusterfs = not_found
1305 glusterfs_ftruncate_has_stat = false
1306 glusterfs_iocb_has_stat = false
1307 if not get_option('glusterfs').auto() or have_block
1308 glusterfs = dependency('glusterfs-api', version: '>=3',
1309 required: get_option('glusterfs'),
1310 method: 'pkg-config')
1311 if glusterfs.found()
1312 glusterfs_ftruncate_has_stat = cc.links('''
1313 #include <glusterfs/api/glfs.h>
1318 /* new glfs_ftruncate() passes two additional args */
1319 return glfs_ftruncate(NULL, 0, NULL, NULL);
1321 ''', dependencies: glusterfs)
1322 glusterfs_iocb_has_stat = cc.links('''
1323 #include <glusterfs/api/glfs.h>
1325 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1327 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1333 glfs_io_cbk iocb = &glusterfs_iocb;
1334 iocb(NULL, 0 , NULL, NULL, NULL);
1337 ''', dependencies: glusterfs)
1342 if not get_option('libssh').auto() or have_block
1343 libssh = dependency('libssh', version: '>=0.8.7',
1344 method: 'pkg-config',
1345 required: get_option('libssh'))
1348 libbzip2 = not_found
1349 if not get_option('bzip2').auto() or have_block
1350 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1351 required: get_option('bzip2'))
1352 if libbzip2.found() and not cc.links('''
1354 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1355 libbzip2 = not_found
1356 if get_option('bzip2').enabled()
1357 error('could not link libbzip2')
1359 warning('could not link libbzip2, disabling')
1364 liblzfse = not_found
1365 if not get_option('lzfse').auto() or have_block
1366 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1367 required: get_option('lzfse'))
1369 if liblzfse.found() and not cc.links('''
1371 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1372 liblzfse = not_found
1373 if get_option('lzfse').enabled()
1374 error('could not link liblzfse')
1376 warning('could not link liblzfse, disabling')
1381 if get_option('oss').allowed() and have_system
1382 if not cc.has_header('sys/soundcard.h')
1384 elif targetos == 'netbsd'
1385 oss = cc.find_library('ossaudio', required: get_option('oss'))
1387 oss = declare_dependency()
1391 if get_option('oss').enabled()
1392 error('OSS not found')
1397 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1398 if cc.has_header('dsound.h')
1399 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1402 if not dsound.found()
1403 if get_option('dsound').enabled()
1404 error('DirectSound not found')
1409 coreaudio = not_found
1410 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1411 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1412 required: get_option('coreaudio'))
1416 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1417 epoxy = dependency('epoxy', method: 'pkg-config',
1418 required: get_option('opengl'))
1419 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1421 elif get_option('opengl').enabled()
1422 error('epoxy/egl.h not found')
1426 if (have_system or have_tools) and (virgl.found() or opengl.found())
1427 gbm = dependency('gbm', method: 'pkg-config', required: false)
1429 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1432 gnutls_crypto = not_found
1433 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1434 # For general TLS support our min gnutls matches
1435 # that implied by our platform support matrix
1437 # For the crypto backends, we look for a newer
1440 # Version 3.6.8 is needed to get XTS
1441 # Version 3.6.13 is needed to get PBKDF
1442 # Version 3.6.14 is needed to get HW accelerated XTS
1444 # If newer enough gnutls isn't available, we can
1445 # still use a different crypto backend to satisfy
1446 # the platform support requirements
1447 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1448 method: 'pkg-config',
1450 if gnutls_crypto.found()
1451 gnutls = gnutls_crypto
1453 # Our min version if all we need is TLS
1454 gnutls = dependency('gnutls', version: '>=3.5.18',
1455 method: 'pkg-config',
1456 required: get_option('gnutls'))
1460 # We prefer use of gnutls for crypto, unless the options
1461 # explicitly asked for nettle or gcrypt.
1463 # If gnutls isn't available for crypto, then we'll prefer
1464 # gcrypt over nettle for performance reasons.
1470 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1471 error('Only one of gcrypt & nettle can be enabled')
1474 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1475 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1476 gnutls_crypto = not_found
1479 if not gnutls_crypto.found()
1480 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1481 gcrypt = dependency('libgcrypt', version: '>=1.8',
1482 method: 'config-tool',
1483 required: get_option('gcrypt'))
1484 # Debian has removed -lgpg-error from libgcrypt-config
1485 # as it "spreads unnecessary dependencies" which in
1486 # turn breaks static builds...
1487 if gcrypt.found() and get_option('prefer_static')
1488 gcrypt = declare_dependency(dependencies:
1490 cc.find_library('gpg-error', required: true)],
1491 version: gcrypt.version())
1494 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1495 nettle = dependency('nettle', version: '>=3.4',
1496 method: 'pkg-config',
1497 required: get_option('nettle'))
1498 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1504 gmp = dependency('gmp', required: false, method: 'pkg-config')
1505 if nettle.found() and gmp.found()
1506 hogweed = dependency('hogweed', version: '>=3.4',
1507 method: 'pkg-config',
1508 required: get_option('nettle'))
1515 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1517 if not get_option('gtk').auto() or have_system
1518 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1519 method: 'pkg-config',
1520 required: get_option('gtk'))
1522 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1523 method: 'pkg-config',
1525 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1526 version: gtk.version())
1528 if not get_option('vte').auto() or have_system
1529 vte = dependency('vte-2.91',
1530 method: 'pkg-config',
1531 required: get_option('vte'))
1533 elif have_gtk_clipboard
1534 error('GTK clipboard requested, but GTK not found')
1540 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1543 if get_option('png').allowed() and have_system
1544 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1545 method: 'pkg-config')
1550 if get_option('vnc').allowed() and have_system
1551 vnc = declare_dependency() # dummy dependency
1552 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1553 method: 'pkg-config')
1554 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1555 required: get_option('vnc_sasl'))
1557 sasl = declare_dependency(dependencies: sasl,
1558 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1563 if not get_option('auth_pam').auto() or have_system
1564 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1565 required: get_option('auth_pam'))
1567 if pam.found() and not cc.links('''
1569 #include <security/pam_appl.h>
1571 const char *service_name = "qemu";
1572 const char *user = "frank";
1573 const struct pam_conv pam_conv = { 0 };
1574 pam_handle_t *pamh = NULL;
1575 pam_start(service_name, user, &pam_conv, &pamh);
1577 }''', dependencies: pam)
1579 if get_option('auth_pam').enabled()
1580 error('could not link libpam')
1582 warning('could not link libpam, disabling')
1587 if not get_option('snappy').auto() or have_system
1588 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1589 required: get_option('snappy'))
1591 if snappy.found() and not cc.links('''
1592 #include <snappy-c.h>
1593 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1595 if get_option('snappy').enabled()
1596 error('could not link libsnappy')
1598 warning('could not link libsnappy, disabling')
1603 if not get_option('lzo').auto() or have_system
1604 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1605 required: get_option('lzo'))
1607 if lzo.found() and not cc.links('''
1608 #include <lzo/lzo1x.h>
1609 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1611 if get_option('lzo').enabled()
1612 error('could not link liblzo2')
1614 warning('could not link liblzo2, disabling')
1619 if not get_option('numa').auto() or have_system or have_tools
1620 numa = cc.find_library('numa', has_headers: ['numa.h'],
1621 required: get_option('numa'))
1623 if numa.found() and not cc.links('''
1625 int main(void) { return numa_available(); }
1626 ''', dependencies: numa)
1628 if get_option('numa').enabled()
1629 error('could not link numa')
1631 warning('could not link numa, disabling')
1636 if not get_option('rdma').auto() or have_system
1637 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1638 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1639 required: get_option('rdma')),
1640 cc.find_library('ibverbs', required: get_option('rdma')),
1642 rdma = declare_dependency(dependencies: rdma_libs)
1643 foreach lib: rdma_libs
1651 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1652 xencontrol = dependency('xencontrol', required: false,
1653 method: 'pkg-config')
1654 if xencontrol.found()
1655 xen_pc = declare_dependency(version: xencontrol.version(),
1658 # disabler: true makes xen_pc.found() return false if any is not found
1659 dependency('xenstore', required: false,
1660 method: 'pkg-config',
1662 dependency('xenforeignmemory', required: false,
1663 method: 'pkg-config',
1665 dependency('xengnttab', required: false,
1666 method: 'pkg-config',
1668 dependency('xenevtchn', required: false,
1669 method: 'pkg-config',
1671 dependency('xendevicemodel', required: false,
1672 method: 'pkg-config',
1674 # optional, no "disabler: true"
1675 dependency('xentoolcore', required: false,
1676 method: 'pkg-config')])
1682 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1684 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1685 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1686 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1687 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1688 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1691 foreach ver: xen_tests
1692 # cache the various library tests to avoid polluting the logs
1694 foreach l: xen_libs[ver]
1695 if l not in xen_deps
1696 xen_deps += { l: cc.find_library(l, required: false) }
1698 xen_test_deps += xen_deps[l]
1701 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1702 xen_version = ver.split('.')
1703 xen_ctrl_version = xen_version[0] + \
1704 ('0' + xen_version[1]).substring(-2) + \
1705 ('0' + xen_version[2]).substring(-2)
1706 if cc.links(files('scripts/xen-detect.c'),
1707 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1708 dependencies: xen_test_deps)
1709 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1715 accelerators += 'CONFIG_XEN'
1716 elif get_option('xen').enabled()
1717 error('could not compile and link Xen test program')
1720 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1721 .require(xen.found(),
1722 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1723 .require(targetos == 'linux',
1724 error_message: 'Xen PCI passthrough not available on this platform') \
1725 .require(cpu == 'x86' or cpu == 'x86_64',
1726 error_message: 'Xen PCI passthrough not available on this platform') \
1731 if not get_option('smartcard').auto() or have_system
1732 cacard = dependency('libcacard', required: get_option('smartcard'),
1733 version: '>=2.5.1', method: 'pkg-config')
1737 u2f = dependency('u2f-emu', required: get_option('u2f'),
1738 method: 'pkg-config')
1742 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1743 method: 'pkg-config')
1745 usbredir = not_found
1746 if not get_option('usb_redir').auto() or have_system
1747 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1748 version: '>=0.6', method: 'pkg-config')
1751 if not get_option('libusb').auto() or have_system
1752 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1753 version: '>=1.0.13', method: 'pkg-config')
1757 if not get_option('libpmem').auto() or have_system
1758 libpmem = dependency('libpmem', required: get_option('libpmem'),
1759 method: 'pkg-config')
1761 libdaxctl = not_found
1762 if not get_option('libdaxctl').auto() or have_system
1763 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1764 version: '>=57', method: 'pkg-config')
1768 tasn1 = dependency('libtasn1',
1769 method: 'pkg-config')
1771 keyutils = not_found
1772 if get_option('keyring').enabled()
1773 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1776 has_gettid = cc.has_function('gettid')
1779 selinux = dependency('libselinux',
1780 required: get_option('selinux'),
1781 method: 'pkg-config')
1786 if get_option('malloc') == 'system'
1788 get_option('malloc_trim').allowed() and \
1789 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1791 has_malloc_trim = false
1792 malloc = cc.find_library(get_option('malloc'), required: true)
1794 if not has_malloc_trim and get_option('malloc_trim').enabled()
1795 if get_option('malloc') == 'system'
1796 error('malloc_trim not available on this platform.')
1798 error('malloc_trim not available with non-libc memory allocator')
1802 gnu_source_prefix = '''
1808 # Check whether the glibc provides STATX_BASIC_STATS
1810 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1812 # Check whether statx() provides mount ID information
1814 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1816 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1817 .require(targetos == 'linux',
1818 error_message: 'vhost_user_blk_server requires linux') \
1819 .require(have_vhost_user,
1820 error_message: 'vhost_user_blk_server requires vhost-user support') \
1821 .disable_auto_if(not have_tools and not have_system) \
1824 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1825 error('Cannot enable fuse-lseek while fuse is disabled')
1828 fuse = dependency('fuse3', required: get_option('fuse'),
1829 version: '>=3.1', method: 'pkg-config')
1831 fuse_lseek = not_found
1832 if get_option('fuse_lseek').allowed()
1833 if fuse.version().version_compare('>=3.8')
1835 fuse_lseek = declare_dependency()
1836 elif get_option('fuse_lseek').enabled()
1838 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1840 error('fuse-lseek requires libfuse, which was not found')
1845 have_libvduse = (targetos == 'linux')
1846 if get_option('libvduse').enabled()
1847 if targetos != 'linux'
1848 error('libvduse requires linux')
1850 elif get_option('libvduse').disabled()
1851 have_libvduse = false
1854 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1855 if get_option('vduse_blk_export').enabled()
1856 if targetos != 'linux'
1857 error('vduse_blk_export requires linux')
1858 elif not have_libvduse
1859 error('vduse_blk_export requires libvduse support')
1861 elif get_option('vduse_blk_export').disabled()
1862 have_vduse_blk_export = false
1866 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1867 if libbpf.found() and not cc.links('''
1868 #include <bpf/libbpf.h>
1871 bpf_object__destroy_skeleton(NULL);
1873 }''', dependencies: libbpf)
1875 if get_option('bpf').enabled()
1876 error('libbpf skeleton test failed')
1878 warning('libbpf skeleton test failed, disabling')
1884 if not get_option('libdw').auto() or \
1885 (not get_option('prefer_static') and (have_system or have_user))
1886 libdw = dependency('libdw',
1887 method: 'pkg-config',
1888 required: get_option('libdw'))
1895 audio_drivers_selected = []
1897 audio_drivers_available = {
1898 'alsa': alsa.found(),
1899 'coreaudio': coreaudio.found(),
1900 'dsound': dsound.found(),
1901 'jack': jack.found(),
1903 'pa': pulse.found(),
1904 'pipewire': pipewire.found(),
1906 'sndio': sndio.found(),
1908 foreach k, v: audio_drivers_available
1909 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1912 # Default to native drivers first, OSS second, SDL third
1913 audio_drivers_priority = \
1914 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1915 (targetos == 'linux' ? [] : [ 'sdl' ])
1916 audio_drivers_default = []
1917 foreach k: audio_drivers_priority
1918 if audio_drivers_available[k]
1919 audio_drivers_default += k
1923 foreach k: get_option('audio_drv_list')
1925 audio_drivers_selected += audio_drivers_default
1926 elif not audio_drivers_available[k]
1927 error('Audio driver "@0@" not available.'.format(k))
1929 audio_drivers_selected += k
1933 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1934 '"' + '", "'.join(audio_drivers_selected) + '", ')
1936 if get_option('cfi')
1938 # Check for dependency on LTO
1939 if not get_option('b_lto')
1940 error('Selected Control-Flow Integrity but LTO is disabled')
1943 error('Selected Control-Flow Integrity is not compatible with modules')
1945 # Check for cfi flags. CFI requires LTO so we can't use
1946 # get_supported_arguments, but need a more complex "compiles" which allows
1948 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1949 args: ['-flto', '-fsanitize=cfi-icall'] )
1950 cfi_flags += '-fsanitize=cfi-icall'
1952 error('-fsanitize=cfi-icall is not supported by the compiler')
1954 if cc.compiles('int main () { return 0; }',
1955 name: '-fsanitize-cfi-icall-generalize-pointers',
1956 args: ['-flto', '-fsanitize=cfi-icall',
1957 '-fsanitize-cfi-icall-generalize-pointers'] )
1958 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1960 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1962 if get_option('cfi_debug')
1963 if cc.compiles('int main () { return 0; }',
1964 name: '-fno-sanitize-trap=cfi-icall',
1965 args: ['-flto', '-fsanitize=cfi-icall',
1966 '-fno-sanitize-trap=cfi-icall'] )
1967 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1969 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1972 add_global_arguments(cfi_flags, native: false, language: all_languages)
1973 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1976 have_host_block_device = (targetos != 'darwin' or
1977 cc.has_header('IOKit/storage/IOMedia.h'))
1979 dbus_display = get_option('dbus_display') \
1980 .require(gio.version().version_compare('>=2.64'),
1981 error_message: '-display dbus requires glib>=2.64') \
1982 .require(gdbus_codegen.found(),
1983 error_message: gdbus_codegen_error.format('-display dbus')) \
1986 have_virtfs = get_option('virtfs') \
1987 .require(targetos == 'linux' or targetos == 'darwin',
1988 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1989 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1990 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1991 .require(targetos == 'darwin' or libattr.found(),
1992 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1993 .disable_auto_if(not have_tools and not have_system) \
1996 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1997 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1998 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
1999 .disable_auto_if(not have_tools) \
2000 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2003 if get_option('block_drv_ro_whitelist') == ''
2004 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2006 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2007 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2009 if get_option('block_drv_rw_whitelist') == ''
2010 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2012 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2013 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2016 foreach k : get_option('trace_backends')
2017 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2019 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2020 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2022 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2024 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2025 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2026 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2027 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2028 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2030 qemu_firmwarepath = ''
2031 foreach k : get_option('qemu_firmwarepath')
2032 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2034 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2036 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2037 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2038 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2039 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2040 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2041 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2044 config_host_data.set('CONFIG_STAMP', run_command(
2045 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2046 meson.project_version(), get_option('pkgversion'), '--',
2047 meson.current_source_dir() / 'configure',
2048 capture: true, check: true).stdout().strip())
2051 have_slirp_smbd = get_option('slirp_smbd') \
2052 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2055 smbd_path = get_option('smbd')
2057 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2059 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2062 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2064 if get_option('module_upgrades') and not enable_modules
2065 error('Cannot enable module-upgrades as modules are not enabled')
2067 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2069 config_host_data.set('CONFIG_ATTR', libattr.found())
2070 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2071 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2072 config_host_data.set('CONFIG_COCOA', cocoa.found())
2073 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2074 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2075 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2076 config_host_data.set('CONFIG_LZO', lzo.found())
2077 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2078 config_host_data.set('CONFIG_BLKIO', blkio.found())
2080 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2081 blkio.version().version_compare('>=1.3.0'))
2083 config_host_data.set('CONFIG_CURL', curl.found())
2084 config_host_data.set('CONFIG_CURSES', curses.found())
2085 config_host_data.set('CONFIG_GBM', gbm.found())
2086 config_host_data.set('CONFIG_GIO', gio.found())
2087 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2088 if glusterfs.found()
2089 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2090 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2091 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2092 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2093 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2094 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2096 config_host_data.set('CONFIG_GTK', gtk.found())
2097 config_host_data.set('CONFIG_VTE', vte.found())
2098 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2099 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2100 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2101 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2102 config_host_data.set('CONFIG_EBPF', libbpf.found())
2103 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2104 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2105 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2106 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2107 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2108 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2109 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2110 config_host_data.set('CONFIG_MODULES', enable_modules)
2111 config_host_data.set('CONFIG_NUMA', numa.found())
2113 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2114 cc.has_function('numa_has_preferred_many',
2115 dependencies: numa))
2117 config_host_data.set('CONFIG_OPENGL', opengl.found())
2118 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2119 config_host_data.set('CONFIG_RBD', rbd.found())
2120 config_host_data.set('CONFIG_RDMA', rdma.found())
2121 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2122 config_host_data.set('CONFIG_SDL', sdl.found())
2123 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2124 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2126 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2128 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2129 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2130 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_DEBUG_TCG', get_option('debug_tcg'))
2205 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2206 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2207 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2208 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2211 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2212 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2213 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2214 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2215 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2216 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2217 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2218 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2219 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2220 if targetos == 'windows'
2221 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2225 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2226 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2227 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2228 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2229 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2230 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2231 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2232 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2233 # Note that we need to specify prefix: here to avoid incorrectly
2234 # thinking that Windows has posix_memalign()
2235 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2236 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2237 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2238 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2239 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2240 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2241 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2242 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2243 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2244 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2245 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2246 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2247 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2248 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2249 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2250 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2251 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2252 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2254 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2255 cc.has_function('rbd_namespace_exists',
2257 prefix: '#include <rbd/librbd.h>'))
2260 config_host_data.set('HAVE_IBV_ADVISE_MR',
2261 cc.has_function('ibv_advise_mr',
2263 prefix: '#include <infiniband/verbs.h>'))
2266 have_asan_fiber = false
2267 if get_option('sanitizers') and \
2268 not cc.has_function('__sanitizer_start_switch_fiber',
2269 args: '-fsanitize=address',
2270 prefix: '#include <sanitizer/asan_interface.h>')
2271 warning('Missing ASAN due to missing fiber annotation interface')
2272 warning('Without code annotation, the report may be inferior.')
2274 have_asan_fiber = true
2276 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2279 config_host_data.set('CONFIG_BLKZONED',
2280 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2281 config_host_data.set('CONFIG_EPOLL_CREATE1',
2282 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2283 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2284 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2285 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2286 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2287 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2288 config_host_data.set('CONFIG_FIEMAP',
2289 cc.has_header('linux/fiemap.h') and
2290 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2291 config_host_data.set('CONFIG_GETRANDOM',
2292 cc.has_function('getrandom') and
2293 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2294 config_host_data.set('CONFIG_INOTIFY',
2295 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2296 config_host_data.set('CONFIG_INOTIFY1',
2297 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2298 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2299 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2300 config_host_data.set('CONFIG_RTNETLINK',
2301 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2302 config_host_data.set('CONFIG_SYSMACROS',
2303 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2304 config_host_data.set('HAVE_OPTRESET',
2305 cc.has_header_symbol('getopt.h', 'optreset'))
2306 config_host_data.set('HAVE_IPPROTO_MPTCP',
2307 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2310 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2311 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2312 prefix: '#include <signal.h>'))
2313 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2314 cc.has_member('struct stat', 'st_atim',
2315 prefix: '#include <sys/stat.h>'))
2316 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2317 cc.has_member('struct blk_zone', 'capacity',
2318 prefix: '#include <linux/blkzoned.h>'))
2321 config_host_data.set('CONFIG_IOVEC',
2322 cc.has_type('struct iovec',
2323 prefix: '#include <sys/uio.h>'))
2324 config_host_data.set('HAVE_UTMPX',
2325 cc.has_type('struct utmpx',
2326 prefix: '#include <utmpx.h>'))
2328 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2329 #include <sys/eventfd.h>
2330 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2331 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2334 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2335 return fdatasync(0);
2337 #error Not supported
2341 has_madvise = cc.links(gnu_source_prefix + '''
2342 #include <sys/types.h>
2343 #include <sys/mman.h>
2345 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2346 missing_madvise_proto = false
2348 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2349 # but forget to prototype it. In this case, has_madvise will be true (the
2350 # test program links despite a compile warning). To detect the
2351 # missing-prototype case, we try again with a definitely-bogus prototype.
2352 # This will only compile if the system headers don't provide the prototype;
2353 # otherwise the conflicting prototypes will cause a compiler error.
2354 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2355 #include <sys/types.h>
2356 #include <sys/mman.h>
2358 extern int madvise(int);
2359 int main(void) { return madvise(0); }''')
2361 config_host_data.set('CONFIG_MADVISE', has_madvise)
2362 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2364 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2365 #include <sys/mman.h>
2366 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2367 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2369 #if !defined(AT_EMPTY_PATH)
2370 # error missing definition
2372 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2374 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2375 #include <sys/mman.h>
2377 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2379 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2380 #include <pthread.h>
2382 static void *f(void *p) { return NULL; }
2386 pthread_create(&thread, 0, f, 0);
2387 pthread_setname_np(thread, "QEMU");
2389 }''', dependencies: threads))
2390 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2391 #include <pthread.h>
2393 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2397 pthread_create(&thread, 0, f, 0);
2399 }''', dependencies: threads))
2400 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2401 #include <pthread.h>
2402 #include <pthread_np.h>
2404 static void *f(void *p) { return NULL; }
2408 pthread_create(&thread, 0, f, 0);
2409 pthread_set_name_np(thread, "QEMU");
2411 }''', dependencies: threads))
2412 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2413 #include <pthread.h>
2418 pthread_condattr_t attr
2419 pthread_condattr_init(&attr);
2420 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2422 }''', dependencies: threads))
2423 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2424 #include <pthread.h>
2426 static void *f(void *p) { return NULL; }
2429 int setsize = CPU_ALLOC_SIZE(64);
2432 pthread_create(&thread, 0, f, 0);
2433 cpuset = CPU_ALLOC(64);
2434 CPU_ZERO_S(setsize, cpuset);
2435 pthread_setaffinity_np(thread, setsize, cpuset);
2436 pthread_getaffinity_np(thread, setsize, cpuset);
2439 }''', dependencies: threads))
2440 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2441 #include <sys/signalfd.h>
2443 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2444 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2452 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2453 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2457 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2458 #include <sys/mman.h>
2460 return mlockall(MCL_FUTURE);
2464 if get_option('l2tpv3').allowed() and have_system
2465 have_l2tpv3 = cc.has_type('struct mmsghdr',
2466 prefix: gnu_source_prefix + '''
2467 #include <sys/socket.h>
2468 #include <linux/ip.h>''')
2470 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2473 if get_option('netmap').allowed() and have_system
2474 have_netmap = cc.compiles('''
2475 #include <inttypes.h>
2477 #include <net/netmap.h>
2478 #include <net/netmap_user.h>
2479 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2482 int main(void) { return 0; }''')
2483 if not have_netmap and get_option('netmap').enabled()
2484 error('Netmap headers not available')
2487 config_host_data.set('CONFIG_NETMAP', have_netmap)
2489 # Work around a system header bug with some kernel/XFS header
2490 # versions where they both try to define 'struct fsxattr':
2491 # xfs headers will not try to redefine structs from linux headers
2492 # if this macro is set.
2493 config_host_data.set('HAVE_FSXATTR', cc.links('''
2494 #include <linux/fs.h>
2500 # Some versions of Mac OS X incorrectly define SIZE_MAX
2501 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2505 return printf("%zu", SIZE_MAX);
2506 }''', args: ['-Werror']))
2508 # See if 64-bit atomic operations are supported.
2509 # Note that without __atomic builtins, we can only
2510 # assume atomic loads/stores max at pointer size.
2511 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2515 uint64_t x = 0, y = 0;
2516 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2517 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2518 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2519 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2520 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2524 has_int128_type = cc.compiles('''
2527 int main(void) { b = a; }''')
2528 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2530 has_int128 = has_int128_type and cc.links('''
2539 config_host_data.set('CONFIG_INT128', has_int128)
2542 # "do we have 128-bit atomics which are handled inline and specifically not
2543 # via libatomic". The reason we can't use libatomic is documented in the
2544 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2545 # We only care about these operations on 16-byte aligned pointers, so
2546 # force 16-byte alignment of the pointer, which may be greater than
2547 # __alignof(unsigned __int128) for the host.
2548 atomic_test_128 = '''
2549 int main(int ac, char **av) {
2550 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2551 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2552 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2553 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2556 has_atomic128 = cc.links(atomic_test_128)
2558 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2560 if not has_atomic128
2561 # Even with __builtin_assume_aligned, the above test may have failed
2562 # without optimization enabled. Try again with optimizations locally
2563 # enabled for the function. See
2564 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2565 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2566 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2568 if not has_atomic128_opt
2569 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2572 __uint128_t x = 0, y = 0;
2573 __sync_val_compare_and_swap_16(&x, y, x);
2581 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2582 #include <sys/auxv.h>
2584 return getauxval(AT_HWCAP) == 0;
2587 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2588 #include <linux/usbdevice_fs.h>
2590 #ifndef USBDEVFS_GET_CAPABILITIES
2591 #error "USBDEVFS_GET_CAPABILITIES undefined"
2594 #ifndef USBDEVFS_DISCONNECT_CLAIM
2595 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2598 int main(void) { return 0; }'''))
2600 have_keyring = get_option('keyring') \
2601 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2602 .require(cc.compiles('''
2604 #include <asm/unistd.h>
2605 #include <linux/keyctl.h>
2606 #include <sys/syscall.h>
2609 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2610 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2611 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2613 have_cpuid_h = cc.links('''
2616 unsigned a, b, c, d;
2617 unsigned max = __get_cpuid_max(0, 0);
2620 __cpuid(1, a, b, c, d);
2624 __cpuid_count(7, 0, a, b, c, d);
2629 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2631 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2632 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2633 .require(cc.links('''
2635 #include <immintrin.h>
2636 static int __attribute__((target("avx2"))) bar(void *a) {
2637 __m256i x = *(__m256i *)a;
2638 return _mm256_testz_si256(x, x);
2640 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2641 '''), error_message: 'AVX2 not available').allowed())
2643 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2644 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2645 .require(cc.links('''
2647 #include <immintrin.h>
2648 static int __attribute__((target("avx512f"))) bar(void *a) {
2649 __m512i x = *(__m512i *)a;
2650 return _mm512_test_epi64_mask(x, x);
2652 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2653 '''), error_message: 'AVX512F not available').allowed())
2655 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2656 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2657 .require(cc.links('''
2659 #include <immintrin.h>
2660 static int __attribute__((target("avx512bw"))) bar(void *a) {
2662 __m512i res= _mm512_abs_epi8(*x);
2665 int main(int argc, char *argv[]) { return bar(argv[0]); }
2666 '''), error_message: 'AVX512BW not available').allowed())
2668 # For both AArch64 and AArch32, detect if builtins are available.
2669 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2670 #include <arm_neon.h>
2671 #ifndef __ARM_FEATURE_AES
2672 __attribute__((target("+crypto")))
2674 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2677 have_pvrdma = get_option('pvrdma') \
2678 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2679 .require(cc.compiles(gnu_source_prefix + '''
2680 #include <sys/mman.h>
2685 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2688 }'''), error_message: 'PVRDMA requires mremap').allowed()
2691 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2692 #include <infiniband/verbs.h>
2696 struct ibv_pd *pd = NULL;
2702 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2708 if get_option('membarrier').disabled()
2709 have_membarrier = false
2710 elif targetos == 'windows'
2711 have_membarrier = true
2712 elif targetos == 'linux'
2713 have_membarrier = cc.compiles('''
2714 #include <linux/membarrier.h>
2715 #include <sys/syscall.h>
2719 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2720 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2724 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2725 .require(have_membarrier, error_message: 'membarrier system call not available') \
2728 have_afalg = get_option('crypto_afalg') \
2729 .require(cc.compiles(gnu_source_prefix + '''
2731 #include <sys/types.h>
2732 #include <sys/socket.h>
2733 #include <linux/if_alg.h>
2736 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2739 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2740 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2742 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2743 'linux/vm_sockets.h', 'AF_VSOCK',
2744 prefix: '#include <sys/socket.h>',
2748 have_vss_sdk = false # old xp/2003 SDK
2749 if targetos == 'windows' and 'cpp' in all_languages
2750 have_vss = cxx.compiles('''
2751 #define __MIDL_user_allocate_free_DEFINED__
2753 int main(void) { return VSS_CTX_BACKUP; }''')
2754 have_vss_sdk = cxx.has_header('vscoordint.h')
2756 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2758 foreach k, v: config_host
2759 if k.startswith('CONFIG_')
2760 config_host_data.set(k, v == 'y' ? 1 : v)
2764 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2765 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2766 if targetos == 'windows'
2767 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2773 }''', name: '_lock_file and _unlock_file'))
2776 if targetos == 'windows'
2777 mingw_has_setjmp_longjmp = cc.links('''
2781 * These functions are not available in setjmp header, but may be
2782 * available at link time, from libmingwex.a.
2784 extern int __mingw_setjmp(jmp_buf);
2785 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2787 __mingw_setjmp(env);
2788 __mingw_longjmp(env, 0);
2790 ''', name: 'mingw setjmp and longjmp')
2792 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2793 error('mingw must provide setjmp/longjmp for windows-arm64')
2797 ########################
2798 # Target configuration #
2799 ########################
2801 minikconf = find_program('scripts/minikconf.py')
2803 config_all_devices = {}
2804 config_all_disas = {}
2805 config_devices_mak_list = []
2806 config_devices_h = {}
2807 config_target_h = {}
2808 config_target_mak = {}
2811 'alpha' : ['CONFIG_ALPHA_DIS'],
2812 'avr' : ['CONFIG_AVR_DIS'],
2813 'cris' : ['CONFIG_CRIS_DIS'],
2814 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2815 'hppa' : ['CONFIG_HPPA_DIS'],
2816 'i386' : ['CONFIG_I386_DIS'],
2817 'x86_64' : ['CONFIG_I386_DIS'],
2818 'm68k' : ['CONFIG_M68K_DIS'],
2819 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2820 'mips' : ['CONFIG_MIPS_DIS'],
2821 'nios2' : ['CONFIG_NIOS2_DIS'],
2822 'or1k' : ['CONFIG_OPENRISC_DIS'],
2823 'ppc' : ['CONFIG_PPC_DIS'],
2824 'riscv' : ['CONFIG_RISCV_DIS'],
2825 'rx' : ['CONFIG_RX_DIS'],
2826 's390' : ['CONFIG_S390_DIS'],
2827 'sh4' : ['CONFIG_SH4_DIS'],
2828 'sparc' : ['CONFIG_SPARC_DIS'],
2829 'xtensa' : ['CONFIG_XTENSA_DIS'],
2830 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2833 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2835 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2836 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2837 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2838 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2839 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2840 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2841 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2842 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2843 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2844 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2845 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2846 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2847 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2848 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2850 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2852 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2853 actual_target_dirs = []
2855 foreach target : target_dirs
2856 config_target = { 'TARGET_NAME': target.split('-')[0] }
2857 if target.endswith('linux-user')
2858 if targetos != 'linux'
2862 error('Target @0@ is only available on a Linux host'.format(target))
2864 config_target += { 'CONFIG_LINUX_USER': 'y' }
2865 elif target.endswith('bsd-user')
2866 if 'CONFIG_BSD' not in config_host
2870 error('Target @0@ is only available on a BSD host'.format(target))
2872 config_target += { 'CONFIG_BSD_USER': 'y' }
2873 elif target.endswith('softmmu')
2874 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2875 config_target += { 'CONFIG_SOFTMMU': 'y' }
2877 if target.endswith('-user')
2879 'CONFIG_USER_ONLY': 'y',
2880 'CONFIG_QEMU_INTERP_PREFIX':
2881 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2886 foreach sym: accelerators
2887 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2888 config_target += { sym: 'y' }
2889 config_all += { sym: 'y' }
2890 if target in modular_tcg
2891 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2893 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2895 accel_kconfig += [ sym + '=y' ]
2898 if accel_kconfig.length() == 0
2902 error('No accelerator available for target @0@'.format(target))
2905 actual_target_dirs += target
2906 config_target += keyval.load('configs/targets' / target + '.mak')
2907 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2909 if 'TARGET_NEED_FDT' in config_target
2910 fdt_required += target
2914 if 'TARGET_BASE_ARCH' not in config_target
2915 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2917 if 'TARGET_ABI_DIR' not in config_target
2918 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2920 if 'TARGET_BIG_ENDIAN' not in config_target
2921 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2924 foreach k, v: disassemblers
2925 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2927 config_target += { sym: 'y' }
2928 config_all_disas += { sym: 'y' }
2933 config_target_data = configuration_data()
2934 foreach k, v: config_target
2935 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2937 elif ignored.contains(k)
2939 elif k == 'TARGET_BASE_ARCH'
2940 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2941 # not used to select files from sourcesets.
2942 config_target_data.set('TARGET_' + v.to_upper(), 1)
2943 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2944 config_target_data.set_quoted(k, v)
2946 config_target_data.set(k, 1)
2948 config_target_data.set(k, 0)
2950 config_target_data.set(k, v)
2953 config_target_data.set('QEMU_ARCH',
2954 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2955 config_target_h += {target: configure_file(output: target + '-config-target.h',
2956 configuration: config_target_data)}
2958 if target.endswith('-softmmu')
2959 config_input = meson.get_external_property(target, 'default')
2960 config_devices_mak = target + '-config-devices.mak'
2961 config_devices_mak = configure_file(
2962 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2963 output: config_devices_mak,
2964 depfile: config_devices_mak + '.d',
2966 command: [minikconf,
2967 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2968 config_devices_mak, '@DEPFILE@', '@INPUT@',
2969 host_kconfig, accel_kconfig,
2970 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2972 config_devices_data = configuration_data()
2973 config_devices = keyval.load(config_devices_mak)
2974 foreach k, v: config_devices
2975 config_devices_data.set(k, 1)
2977 config_devices_mak_list += config_devices_mak
2978 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2979 configuration: config_devices_data)}
2980 config_target += config_devices
2981 config_all_devices += config_devices
2983 config_target_mak += {target: config_target}
2985 target_dirs = actual_target_dirs
2987 # This configuration is used to build files that are shared by
2988 # multiple binaries, and then extracted out of the "common"
2989 # static_library target.
2991 # We do not use all_sources()/all_dependencies(), because it would
2992 # build literally all source files, including devices only used by
2993 # targets that are not built for this compilation. The CONFIG_ALL
2994 # pseudo symbol replaces it.
2996 config_all += config_all_devices
2997 config_all += config_host
2998 config_all += config_all_disas
3000 'CONFIG_XEN': xen.found(),
3001 'CONFIG_SYSTEM_ONLY': have_system,
3002 'CONFIG_USER_ONLY': have_user,
3006 target_configs_h = []
3007 foreach target: target_dirs
3008 target_configs_h += config_target_h[target]
3009 target_configs_h += config_devices_h.get(target, [])
3011 genh += custom_target('config-poison.h',
3012 input: [target_configs_h],
3013 output: 'config-poison.h',
3015 command: [find_program('scripts/make-config-poison.sh'),
3022 capstone = not_found
3023 if not get_option('capstone').auto() or have_system or have_user
3024 capstone = dependency('capstone', version: '>=3.0.5',
3025 method: 'pkg-config',
3026 required: get_option('capstone'))
3028 # Some versions of capstone have broken pkg-config file
3029 # that reports a wrong -I path, causing the #include to
3030 # fail later. If the system has such a broken version
3032 if capstone.found() and not cc.compiles('#include <capstone.h>',
3033 dependencies: [capstone])
3034 capstone = not_found
3035 if get_option('capstone').enabled()
3036 error('capstone requested, but it does not appear to work')
3041 libvfio_user_dep = not_found
3042 if have_system and vfio_user_server_allowed
3043 libvfio_user_proj = subproject('libvfio-user', required: true)
3044 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3048 fdt_opt = get_option('fdt')
3049 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3050 if fdt_opt == 'disabled'
3051 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3054 if fdt_opt in ['enabled', 'auto', 'system']
3055 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3056 if fdt.found() and cc.links('''
3058 #include <libfdt_env.h>
3059 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3062 elif fdt_opt == 'system'
3063 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3065 fdt_opt = 'internal'
3070 assert(fdt_opt == 'internal')
3071 libfdt_proj = subproject('dtc', required: true,
3072 default_options: ['tools=false', 'yaml=disabled',
3073 'python=disabled', 'default_library=static'])
3074 fdt = libfdt_proj.get_variable('libfdt_dep')
3077 fdt_opt = 'disabled'
3080 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3081 config_host_data.set('CONFIG_FDT', fdt.found())
3082 config_host_data.set('CONFIG_SLIRP', slirp.found())
3084 #####################
3085 # Generated sources #
3086 #####################
3088 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3090 hxtool = find_program('scripts/hxtool')
3091 shaderinclude = find_program('scripts/shaderinclude.py')
3092 qapi_gen = find_program('scripts/qapi-gen.py')
3093 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3094 meson.current_source_dir() / 'scripts/qapi/commands.py',
3095 meson.current_source_dir() / 'scripts/qapi/common.py',
3096 meson.current_source_dir() / 'scripts/qapi/error.py',
3097 meson.current_source_dir() / 'scripts/qapi/events.py',
3098 meson.current_source_dir() / 'scripts/qapi/expr.py',
3099 meson.current_source_dir() / 'scripts/qapi/gen.py',
3100 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3101 meson.current_source_dir() / 'scripts/qapi/main.py',
3102 meson.current_source_dir() / 'scripts/qapi/parser.py',
3103 meson.current_source_dir() / 'scripts/qapi/schema.py',
3104 meson.current_source_dir() / 'scripts/qapi/source.py',
3105 meson.current_source_dir() / 'scripts/qapi/types.py',
3106 meson.current_source_dir() / 'scripts/qapi/visit.py',
3107 meson.current_source_dir() / 'scripts/qapi-gen.py'
3111 python, files('scripts/tracetool.py'),
3112 '--backend=' + ','.join(get_option('trace_backends'))
3114 tracetool_depends = files(
3115 'scripts/tracetool/backend/log.py',
3116 'scripts/tracetool/backend/__init__.py',
3117 'scripts/tracetool/backend/dtrace.py',
3118 'scripts/tracetool/backend/ftrace.py',
3119 'scripts/tracetool/backend/simple.py',
3120 'scripts/tracetool/backend/syslog.py',
3121 'scripts/tracetool/backend/ust.py',
3122 'scripts/tracetool/format/ust_events_c.py',
3123 'scripts/tracetool/format/ust_events_h.py',
3124 'scripts/tracetool/format/__init__.py',
3125 'scripts/tracetool/format/d.py',
3126 'scripts/tracetool/format/simpletrace_stap.py',
3127 'scripts/tracetool/format/c.py',
3128 'scripts/tracetool/format/h.py',
3129 'scripts/tracetool/format/log_stap.py',
3130 'scripts/tracetool/format/stap.py',
3131 'scripts/tracetool/__init__.py',
3132 'scripts/tracetool/vcpu.py'
3135 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3136 meson.current_source_dir(),
3137 get_option('pkgversion'), meson.project_version()]
3138 qemu_version = custom_target('qemu-version.h',
3139 output: 'qemu-version.h',
3140 command: qemu_version_cmd,
3142 build_by_default: true,
3143 build_always_stale: true)
3144 genh += qemu_version
3148 ['qemu-options.hx', 'qemu-options.def'],
3149 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3153 ['hmp-commands.hx', 'hmp-commands.h'],
3154 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3157 foreach d : hx_headers
3158 hxdep += custom_target(d[1],
3162 build_by_default: true, # to be removed when added to a target
3163 command: [hxtool, '-h', '@INPUT0@'])
3171 authz_ss = ss.source_set()
3172 blockdev_ss = ss.source_set()
3173 block_ss = ss.source_set()
3174 chardev_ss = ss.source_set()
3175 common_ss = ss.source_set()
3176 crypto_ss = ss.source_set()
3177 hwcore_ss = ss.source_set()
3178 io_ss = ss.source_set()
3179 qmp_ss = ss.source_set()
3180 qom_ss = ss.source_set()
3181 system_ss = ss.source_set()
3182 specific_fuzz_ss = ss.source_set()
3183 specific_ss = ss.source_set()
3184 stub_ss = ss.source_set()
3185 trace_ss = ss.source_set()
3186 user_ss = ss.source_set()
3187 util_ss = ss.source_set()
3190 qtest_module_ss = ss.source_set()
3191 tcg_module_ss = ss.source_set()
3197 target_softmmu_arch = {}
3198 target_user_arch = {}
3204 # TODO: add each directory to the subdirs from its own meson.build, once
3206 trace_events_subdirs = [
3215 trace_events_subdirs += [ 'linux-user' ]
3218 trace_events_subdirs += [ 'bsd-user' ]
3221 trace_events_subdirs += [
3230 trace_events_subdirs += [
3244 'hw/block/dataplane',
3294 if have_system or have_user
3295 trace_events_subdirs += [
3313 vhost_user = not_found
3314 if targetos == 'linux' and have_vhost_user
3315 libvhost_user = subproject('libvhost-user')
3316 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3319 libvduse = not_found
3321 libvduse_proj = subproject('libvduse')
3322 libvduse = libvduse_proj.get_variable('libvduse_dep')
3325 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3326 # that is filled in by qapi/.
3340 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3341 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3344 qom_ss = qom_ss.apply(config_host, strict: false)
3345 libqom = static_library('qom', qom_ss.sources() + genh,
3346 dependencies: [qom_ss.dependencies()],
3348 qom = declare_dependency(link_whole: libqom)
3350 event_loop_base = files('event-loop-base.c')
3351 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3352 build_by_default: true)
3353 event_loop_base = declare_dependency(link_whole: event_loop_base,
3354 dependencies: [qom])
3356 stub_ss = stub_ss.apply(config_all, strict: false)
3358 util_ss.add_all(trace_ss)
3359 util_ss = util_ss.apply(config_all, strict: false)
3360 libqemuutil = static_library('qemuutil',
3361 sources: util_ss.sources() + stub_ss.sources() + genh,
3362 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3363 qemuutil = declare_dependency(link_with: libqemuutil,
3364 sources: genh + version_res,
3365 dependencies: [event_loop_base])
3367 if have_system or have_user
3368 decodetree = generator(find_program('scripts/decodetree.py'),
3369 output: 'decode-@BASENAME@.c.inc',
3370 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3371 subdir('libdecnumber')
3388 if config_host_data.get('CONFIG_REPLICATION')
3389 block_ss.add(files('replication.c'))
3396 blockdev_ss.add(files(
3403 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3404 # os-win32.c does not
3405 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3406 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3409 common_ss.add(files('cpus-common.c'))
3410 specific_ss.add(files('cpu.c'))
3414 # Work around a gcc bug/misfeature wherein constant propagation looks
3416 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3417 # to guess that a const variable is always zero. Without lto, this is
3418 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3419 # without lto, not even the alias is required -- we simply use different
3420 # declarations in different compilation units.
3421 pagevary = files('page-vary-common.c')
3422 if get_option('b_lto')
3423 pagevary_flags = ['-fno-lto']
3424 if get_option('cfi')
3425 pagevary_flags += '-fno-sanitize=cfi-icall'
3427 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3428 c_args: pagevary_flags)
3429 pagevary = declare_dependency(link_with: pagevary)
3431 common_ss.add(pagevary)
3432 specific_ss.add(files('page-vary.c'))
3440 subdir('semihosting')
3448 common_user_inc = []
3450 subdir('common-user')
3452 subdir('linux-user')
3454 # needed for fuzzing binaries
3455 subdir('tests/qtest/libqos')
3456 subdir('tests/qtest/fuzz')
3459 tcg_real_module_ss = ss.source_set()
3460 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3461 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3462 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3463 'tcg': tcg_real_module_ss }}
3465 ########################
3466 # Library dependencies #
3467 ########################
3469 modinfo_collect = find_program('scripts/modinfo-collect.py')
3470 modinfo_generate = find_program('scripts/modinfo-generate.py')
3475 foreach d, list : modules
3476 if not (d == 'block' ? have_block : have_system)
3480 foreach m, module_ss : list
3482 module_ss = module_ss.apply(config_all, strict: false)
3483 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3484 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3490 if module_ss.sources() != []
3491 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3492 # input. Sources can be used multiple times but objects are
3493 # unique when it comes to lookup in compile_commands.json.
3494 # Depnds on a mesion version with
3495 # https://github.com/mesonbuild/meson/pull/8900
3496 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3497 output: d + '-' + m + '.modinfo',
3498 input: module_ss.sources() + genh,
3500 command: [modinfo_collect, module_ss.sources()])
3504 block_ss.add_all(module_ss)
3506 system_ss.add_all(module_ss)
3512 foreach d, list : target_modules
3513 foreach m, module_ss : list
3515 foreach target : target_dirs
3516 if target.endswith('-softmmu')
3517 config_target = config_target_mak[target]
3518 config_target += config_host
3519 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3520 c_args = ['-DNEED_CPU_H',
3521 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3522 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3523 target_module_ss = module_ss.apply(config_target, strict: false)
3524 if target_module_ss.sources() != []
3525 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3526 sl = static_library(module_name,
3527 [genh, target_module_ss.sources()],
3528 dependencies: [modulecommon, target_module_ss.dependencies()],
3529 include_directories: target_inc,
3533 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3534 modinfo_files += custom_target(module_name + '.modinfo',
3535 output: module_name + '.modinfo',
3536 input: target_module_ss.sources() + genh,
3538 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3543 specific_ss.add_all(module_ss)
3549 foreach target : target_dirs
3550 if target.endswith('-softmmu')
3551 config_target = config_target_mak[target]
3552 config_devices_mak = target + '-config-devices.mak'
3553 modinfo_src = custom_target('modinfo-' + target + '.c',
3554 output: 'modinfo-' + target + '.c',
3555 input: modinfo_files,
3556 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3559 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3560 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3562 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3563 hw_arch[arch].add(modinfo_dep)
3568 nm = find_program('nm')
3569 undefsym = find_program('scripts/undefsym.py')
3570 block_syms = custom_target('block.syms', output: 'block.syms',
3571 input: [libqemuutil, block_mods],
3573 command: [undefsym, nm, '@INPUT@'])
3574 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3575 input: [libqemuutil, softmmu_mods],
3577 command: [undefsym, nm, '@INPUT@'])
3579 authz_ss = authz_ss.apply(config_host, strict: false)
3580 libauthz = static_library('authz', authz_ss.sources() + genh,
3581 dependencies: [authz_ss.dependencies()],
3583 build_by_default: false)
3585 authz = declare_dependency(link_whole: libauthz,
3588 crypto_ss = crypto_ss.apply(config_host, strict: false)
3589 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3590 dependencies: [crypto_ss.dependencies()],
3592 build_by_default: false)
3594 crypto = declare_dependency(link_whole: libcrypto,
3595 dependencies: [authz, qom])
3597 io_ss = io_ss.apply(config_host, strict: false)
3598 libio = static_library('io', io_ss.sources() + genh,
3599 dependencies: [io_ss.dependencies()],
3600 link_with: libqemuutil,
3602 build_by_default: false)
3604 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3606 libmigration = static_library('migration', sources: migration_files + genh,
3608 build_by_default: false)
3609 migration = declare_dependency(link_with: libmigration,
3610 dependencies: [zlib, qom, io])
3611 system_ss.add(migration)
3613 block_ss = block_ss.apply(config_host, strict: false)
3614 libblock = static_library('block', block_ss.sources() + genh,
3615 dependencies: block_ss.dependencies(),
3616 link_depends: block_syms,
3618 build_by_default: false)
3620 block = declare_dependency(link_whole: [libblock],
3621 link_args: '@block.syms',
3622 dependencies: [crypto, io])
3624 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3625 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3626 dependencies: blockdev_ss.dependencies(),
3628 build_by_default: false)
3630 blockdev = declare_dependency(link_whole: [libblockdev],
3631 dependencies: [block, event_loop_base])
3633 qmp_ss = qmp_ss.apply(config_host, strict: false)
3634 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3635 dependencies: qmp_ss.dependencies(),
3637 build_by_default: false)
3639 qmp = declare_dependency(link_whole: [libqmp])
3641 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3643 dependencies: chardev_ss.dependencies(),
3644 build_by_default: false)
3646 chardev = declare_dependency(link_whole: libchardev)
3648 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3649 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3651 build_by_default: false)
3652 hwcore = declare_dependency(link_whole: libhwcore)
3653 common_ss.add(hwcore)
3659 emulator_modules = []
3660 foreach m : block_mods + softmmu_mods
3661 emulator_modules += shared_module(m.name(),
3662 build_by_default: true,
3666 install_dir: qemu_moddir)
3668 if emulator_modules.length() > 0
3669 alias_target('modules', emulator_modules)
3672 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3673 common_ss.add(qom, qemuutil)
3675 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3676 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3678 common_all = common_ss.apply(config_all, strict: false)
3679 common_all = static_library('common',
3680 build_by_default: false,
3681 sources: common_all.sources() + genh,
3682 include_directories: common_user_inc,
3683 implicit_include_directories: false,
3684 dependencies: common_all.dependencies(),
3687 feature_to_c = find_program('scripts/feature_to_c.sh')
3689 if targetos == 'darwin'
3690 entitlement = find_program('scripts/entitlement.sh')
3694 foreach target : target_dirs
3695 config_target = config_target_mak[target]
3696 target_name = config_target['TARGET_NAME']
3697 target_base_arch = config_target['TARGET_BASE_ARCH']
3698 arch_srcs = [config_target_h[target]]
3700 c_args = ['-DNEED_CPU_H',
3701 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3702 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3703 link_args = emulator_link_args
3705 config_target += config_host
3706 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3707 if targetos == 'linux'
3708 target_inc += include_directories('linux-headers', is_system: true)
3710 if target.endswith('-softmmu')
3711 target_type='system'
3712 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3713 arch_srcs += t.sources()
3714 arch_deps += t.dependencies()
3716 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3717 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3718 arch_srcs += hw.sources()
3719 arch_deps += hw.dependencies()
3721 arch_srcs += config_devices_h[target]
3722 link_args += ['@block.syms', '@qemu.syms']
3724 abi = config_target['TARGET_ABI_DIR']
3726 target_inc += common_user_inc
3727 if target_base_arch in target_user_arch
3728 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3729 arch_srcs += t.sources()
3730 arch_deps += t.dependencies()
3732 if 'CONFIG_LINUX_USER' in config_target
3733 base_dir = 'linux-user'
3735 if 'CONFIG_BSD_USER' in config_target
3736 base_dir = 'bsd-user'
3737 target_inc += include_directories('bsd-user/' / targetos)
3738 target_inc += include_directories('bsd-user/host/' / host_arch)
3739 dir = base_dir / abi
3740 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3742 target_inc += include_directories(
3746 if 'CONFIG_LINUX_USER' in config_target
3747 dir = base_dir / abi
3748 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3749 if config_target.has_key('TARGET_SYSTBL_ABI')
3751 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3752 extra_args : config_target['TARGET_SYSTBL_ABI'])
3757 if 'TARGET_XML_FILES' in config_target
3758 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3759 output: target + '-gdbstub-xml.c',
3760 input: files(config_target['TARGET_XML_FILES'].split()),
3761 command: [feature_to_c, '@INPUT@'],
3763 arch_srcs += gdbstub_xml
3766 t = target_arch[target_base_arch].apply(config_target, strict: false)
3767 arch_srcs += t.sources()
3768 arch_deps += t.dependencies()
3770 target_common = common_ss.apply(config_target, strict: false)
3771 objects = common_all.extract_objects(target_common.sources())
3772 deps = target_common.dependencies()
3774 target_specific = specific_ss.apply(config_target, strict: false)
3775 arch_srcs += target_specific.sources()
3776 arch_deps += target_specific.dependencies()
3778 lib = static_library('qemu-' + target,
3779 sources: arch_srcs + genh,
3780 dependencies: arch_deps,
3782 include_directories: target_inc,
3784 build_by_default: false,
3787 if target.endswith('-softmmu')
3789 'name': 'qemu-system-' + target_name,
3790 'win_subsystem': 'console',
3791 'sources': files('softmmu/main.c'),
3794 if targetos == 'windows' and (sdl.found() or gtk.found())
3796 'name': 'qemu-system-' + target_name + 'w',
3797 'win_subsystem': 'windows',
3798 'sources': files('softmmu/main.c'),
3802 if get_option('fuzzing')
3803 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3805 'name': 'qemu-fuzz-' + target_name,
3806 'win_subsystem': 'console',
3807 'sources': specific_fuzz.sources(),
3808 'dependencies': specific_fuzz.dependencies(),
3813 'name': 'qemu-' + target_name,
3814 'win_subsystem': 'console',
3820 exe_name = exe['name']
3821 if targetos == 'darwin'
3822 exe_name += '-unsigned'
3825 emulator = executable(exe_name, exe['sources'],
3828 dependencies: arch_deps + deps + exe['dependencies'],
3829 objects: lib.extract_all_objects(recursive: true),
3830 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3831 link_args: link_args,
3832 win_subsystem: exe['win_subsystem'])
3834 if targetos == 'darwin'
3835 icon = 'pc-bios/qemu.rsrc'
3836 build_input = [emulator, files(icon)]
3838 get_option('bindir') / exe_name,
3839 meson.current_source_dir() / icon
3841 if 'CONFIG_HVF' in config_target
3842 entitlements = 'accel/hvf/entitlements.plist'
3843 build_input += files(entitlements)
3844 install_input += meson.current_source_dir() / entitlements
3847 emulators += {exe['name'] : custom_target(exe['name'],
3849 output: exe['name'],
3850 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3853 meson.add_install_script(entitlement, '--install',
3854 get_option('bindir') / exe['name'],
3857 emulators += {exe['name']: emulator}
3862 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3863 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3864 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3865 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3867 custom_target(exe['name'] + stp['ext'],
3868 input: trace_events_all,
3869 output: exe['name'] + stp['ext'],
3870 install: stp['install'],
3871 install_dir: get_option('datadir') / 'systemtap/tapset',
3873 tracetool, '--group=all', '--format=' + stp['fmt'],
3874 '--binary=' + stp['bin'],
3875 '--target-name=' + target_name,
3876 '--target-type=' + target_type,
3877 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3878 '@INPUT@', '@OUTPUT@'
3880 depend_files: tracetool_depends)
3886 # Other build targets
3888 if get_option('plugins')
3889 install_headers('include/qemu/qemu-plugin.h')
3894 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3895 # when we don't build tools or system
3896 if xkbcommon.found()
3897 # used for the update-keymaps target, so include rules even if !have_tools
3898 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3899 dependencies: [qemuutil, xkbcommon], install: have_tools)
3903 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3904 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3905 qemu_io = executable('qemu-io', files('qemu-io.c'),
3906 dependencies: [block, qemuutil], install: true)
3907 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3908 dependencies: [blockdev, qemuutil, gnutls, selinux],
3911 subdir('storage-daemon')
3912 subdir('contrib/rdmacm-mux')
3913 subdir('contrib/elf2dmp')
3915 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3916 dependencies: qemuutil,
3920 subdir('contrib/vhost-user-blk')
3921 subdir('contrib/vhost-user-gpu')
3922 subdir('contrib/vhost-user-input')
3923 subdir('contrib/vhost-user-scsi')
3926 if targetos == 'linux'
3927 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3928 dependencies: [qemuutil, libcap_ng],
3930 install_dir: get_option('libexecdir'))
3932 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3933 dependencies: [authz, crypto, io, qom, qemuutil,
3934 libcap_ng, mpathpersist],
3939 subdir('contrib/ivshmem-client')
3940 subdir('contrib/ivshmem-server')
3953 if host_machine.system() == 'windows'
3955 find_program('scripts/nsis.py'),
3957 get_option('prefix'),
3958 meson.current_source_dir(),
3959 glib_pc.get_variable('bindir'),
3962 '-DDISPLAYVERSION=' + meson.project_version(),
3965 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3968 nsis_cmd += '-DCONFIG_GTK=y'
3971 nsis = custom_target('nsis',
3972 output: 'qemu-setup-' + meson.project_version() + '.exe',
3973 input: files('qemu.nsi'),
3974 build_always_stale: true,
3975 command: nsis_cmd + ['@INPUT@'])
3976 alias_target('installer', nsis)
3979 #########################
3980 # Configuration summary #
3981 #########################
3985 summary_info += {'Build directory': meson.current_build_dir()}
3986 summary_info += {'Source path': meson.current_source_dir()}
3987 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
3988 summary(summary_info, bool_yn: true, section: 'Build environment')
3991 summary_info += {'Install prefix': get_option('prefix')}
3992 summary_info += {'BIOS directory': qemu_datadir}
3993 pathsep = targetos == 'windows' ? ';' : ':'
3994 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3995 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3996 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3997 summary_info += {'module directory': qemu_moddir}
3998 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3999 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4000 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4001 if targetos != 'windows'
4002 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4003 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4005 summary_info += {'local state directory': 'queried at runtime'}
4007 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4008 summary(summary_info, bool_yn: true, section: 'Directories')
4012 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4013 summary_info += {'sphinx-build': sphinx_build}
4014 if config_host.has_key('HAVE_GDB_BIN')
4015 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4017 summary_info += {'iasl': iasl}
4018 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4019 if targetos == 'windows' and have_ga
4020 summary_info += {'wixl': wixl}
4022 if slirp.found() and have_system
4023 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4025 summary(summary_info, bool_yn: true, section: 'Host binaries')
4027 # Configurable features
4029 summary_info += {'Documentation': build_docs}
4030 summary_info += {'system-mode emulation': have_system}
4031 summary_info += {'user-mode emulation': have_user}
4032 summary_info += {'block layer': have_block}
4033 summary_info += {'Install blobs': get_option('install_blobs')}
4034 summary_info += {'module support': enable_modules}
4036 summary_info += {'alternative module path': get_option('module_upgrades')}
4038 summary_info += {'fuzzing support': get_option('fuzzing')}
4040 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4042 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4043 if 'simple' in get_option('trace_backends')
4044 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4046 summary_info += {'D-Bus display': dbus_display}
4047 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4048 summary_info += {'vhost-kernel support': have_vhost_kernel}
4049 summary_info += {'vhost-net support': have_vhost_net}
4050 summary_info += {'vhost-user support': have_vhost_user}
4051 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4052 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4053 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4054 summary_info += {'build guest agent': have_ga}
4055 summary(summary_info, bool_yn: true, section: 'Configurable features')
4057 # Compilation information
4059 summary_info += {'host CPU': cpu}
4060 summary_info += {'host endianness': build_machine.endian()}
4061 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4062 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4063 if 'cpp' in all_languages
4064 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4066 summary_info += {'C++ compiler': false}
4068 if targetos == 'darwin'
4069 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4071 option_cflags = (get_option('debug') ? ['-g'] : [])
4072 if get_option('optimization') != 'plain'
4073 option_cflags += ['-O' + get_option('optimization')]
4075 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4076 if 'cpp' in all_languages
4077 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4079 if targetos == 'darwin'
4080 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4082 link_args = get_option('c_link_args')
4083 if link_args.length() > 0
4084 summary_info += {'LDFLAGS': ' '.join(link_args)}
4086 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4087 if 'cpp' in all_languages
4088 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4090 if 'objc' in all_languages
4091 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4093 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4094 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4095 summary_info += {'PIE': get_option('b_pie')}
4096 summary_info += {'static build': get_option('prefer_static')}
4097 summary_info += {'malloc trim support': has_malloc_trim}
4098 summary_info += {'membarrier': have_membarrier}
4099 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4100 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4101 summary_info += {'mutex debugging': get_option('debug_mutex')}
4102 summary_info += {'memory allocator': get_option('malloc')}
4103 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4104 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4105 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4106 if get_option('gprof')
4107 gprof_info = 'YES (deprecated)'
4109 gprof_info = get_option('gprof')
4111 summary_info += {'gprof': gprof_info}
4112 summary_info += {'gcov': get_option('b_coverage')}
4113 summary_info += {'thread sanitizer': get_option('tsan')}
4114 summary_info += {'CFI support': get_option('cfi')}
4115 if get_option('cfi')
4116 summary_info += {'CFI debug support': get_option('cfi_debug')}
4118 summary_info += {'strip binaries': get_option('strip')}
4119 summary_info += {'sparse': sparse}
4120 summary_info += {'mingw32 support': targetos == 'windows'}
4121 summary(summary_info, bool_yn: true, section: 'Compilation')
4123 # snarf the cross-compilation information for tests
4126 foreach target: target_dirs
4127 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4128 if fs.exists(tcg_mak)
4129 config_cross_tcg = keyval.load(tcg_mak)
4130 if 'CC' in config_cross_tcg
4131 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4137 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4140 # Targets and accelerators
4143 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4144 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
4145 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4146 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4147 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4148 summary_info += {'Xen support': xen.found()}
4150 summary_info += {'xen ctrl version': xen.version()}
4152 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4154 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4155 if config_all.has_key('CONFIG_TCG')
4156 if get_option('tcg_interpreter')
4157 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4159 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4161 summary_info += {'TCG plugins': get_option('plugins')}
4162 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4164 summary_info += {'target list': ' '.join(target_dirs)}
4166 summary_info += {'default devices': get_option('default_devices')}
4167 summary_info += {'out of process emulation': multiprocess_allowed}
4168 summary_info += {'vfio-user server': vfio_user_server_allowed}
4170 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4174 summary_info += {'coroutine backend': coroutine_backend}
4175 summary_info += {'coroutine pool': have_coroutine_pool}
4177 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4178 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4179 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4180 summary_info += {'VirtFS (9P) support': have_virtfs}
4181 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4182 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4183 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4184 summary_info += {'bochs support': get_option('bochs').allowed()}
4185 summary_info += {'cloop support': get_option('cloop').allowed()}
4186 summary_info += {'dmg support': get_option('dmg').allowed()}
4187 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4188 summary_info += {'vdi support': get_option('vdi').allowed()}
4189 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4190 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4191 summary_info += {'vpc support': get_option('vpc').allowed()}
4192 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4193 summary_info += {'qed support': get_option('qed').allowed()}
4194 summary_info += {'parallels support': get_option('parallels').allowed()}
4195 summary_info += {'FUSE exports': fuse}
4196 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4198 summary(summary_info, bool_yn: true, section: 'Block layer support')
4202 summary_info += {'TLS priority': get_option('tls_priority')}
4203 summary_info += {'GNUTLS support': gnutls}
4205 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4207 summary_info += {'libgcrypt': gcrypt}
4208 summary_info += {'nettle': nettle}
4210 summary_info += {' XTS': xts != 'private'}
4212 summary_info += {'AF_ALG support': have_afalg}
4213 summary_info += {'rng-none': get_option('rng_none')}
4214 summary_info += {'Linux keyring': have_keyring}
4215 summary(summary_info, bool_yn: true, section: 'Crypto')
4219 if targetos == 'darwin'
4220 summary_info += {'Cocoa support': cocoa}
4222 summary_info += {'SDL support': sdl}
4223 summary_info += {'SDL image support': sdl_image}
4224 summary_info += {'GTK support': gtk}
4225 summary_info += {'pixman': pixman}
4226 summary_info += {'VTE support': vte}
4227 summary_info += {'PNG support': png}
4228 summary_info += {'VNC support': vnc}
4230 summary_info += {'VNC SASL support': sasl}
4231 summary_info += {'VNC JPEG support': jpeg}
4233 summary_info += {'spice protocol support': spice_protocol}
4234 if spice_protocol.found()
4235 summary_info += {' spice server support': spice}
4237 summary_info += {'curses support': curses}
4238 summary_info += {'brlapi support': brlapi}
4239 summary(summary_info, bool_yn: true, section: 'User interface')
4243 if targetos not in ['darwin', 'haiku', 'windows']
4244 summary_info += {'OSS support': oss}
4245 summary_info += {'sndio support': sndio}
4246 elif targetos == 'darwin'
4247 summary_info += {'CoreAudio support': coreaudio}
4248 elif targetos == 'windows'
4249 summary_info += {'DirectSound support': dsound}
4251 if targetos == 'linux'
4252 summary_info += {'ALSA support': alsa}
4253 summary_info += {'PulseAudio support': pulse}
4255 summary_info += {'PipeWire support': pipewire}
4256 summary_info += {'JACK support': jack}
4257 summary(summary_info, bool_yn: true, section: 'Audio backends')
4261 if targetos == 'darwin'
4262 summary_info += {'vmnet.framework support': vmnet}
4264 summary_info += {'slirp support': slirp}
4265 summary_info += {'vde support': vde}
4266 summary_info += {'netmap support': have_netmap}
4267 summary_info += {'l2tpv3 support': have_l2tpv3}
4268 summary(summary_info, bool_yn: true, section: 'Network backends')
4272 summary_info += {'libtasn1': tasn1}
4273 summary_info += {'PAM': pam}
4274 summary_info += {'iconv support': iconv}
4275 summary_info += {'virgl support': virgl}
4276 summary_info += {'blkio support': blkio}
4277 summary_info += {'curl support': curl}
4278 summary_info += {'Multipath support': mpathpersist}
4279 summary_info += {'Linux AIO support': libaio}
4280 summary_info += {'Linux io_uring support': linux_io_uring}
4281 summary_info += {'ATTR/XATTR support': libattr}
4282 summary_info += {'RDMA support': rdma}
4283 summary_info += {'PVRDMA support': have_pvrdma}
4284 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4285 summary_info += {'libcap-ng support': libcap_ng}
4286 summary_info += {'bpf support': libbpf}
4287 summary_info += {'rbd support': rbd}
4288 summary_info += {'smartcard support': cacard}
4289 summary_info += {'U2F support': u2f}
4290 summary_info += {'libusb': libusb}
4291 summary_info += {'usb net redir': usbredir}
4292 summary_info += {'OpenGL support (epoxy)': opengl}
4293 summary_info += {'GBM': gbm}
4294 summary_info += {'libiscsi support': libiscsi}
4295 summary_info += {'libnfs support': libnfs}
4296 if targetos == 'windows'
4298 summary_info += {'QGA VSS support': have_qga_vss}
4301 summary_info += {'seccomp support': seccomp}
4302 summary_info += {'GlusterFS support': glusterfs}
4303 summary_info += {'TPM support': have_tpm}
4304 summary_info += {'libssh support': libssh}
4305 summary_info += {'lzo support': lzo}
4306 summary_info += {'snappy support': snappy}
4307 summary_info += {'bzip2 support': libbzip2}
4308 summary_info += {'lzfse support': liblzfse}
4309 summary_info += {'zstd support': zstd}
4310 summary_info += {'NUMA host support': numa}
4311 summary_info += {'capstone': capstone}
4312 summary_info += {'libpmem support': libpmem}
4313 summary_info += {'libdaxctl support': libdaxctl}
4314 summary_info += {'libudev': libudev}
4315 # Dummy dependency, keep .found()
4316 summary_info += {'FUSE lseek': fuse_lseek.found()}
4317 summary_info += {'selinux': selinux}
4318 summary_info += {'libdw': libdw}
4319 summary(summary_info, bool_yn: true, section: 'Dependencies')
4321 if host_arch == 'unknown'
4323 warning('UNSUPPORTED HOST CPU')
4325 message('Support for CPU host architecture ' + cpu + ' is not currently')
4326 message('maintained. The QEMU project does not guarantee that QEMU will')
4327 message('compile or work on this host CPU. You can help by volunteering')
4328 message('to maintain it and providing a build host for our continuous')
4329 message('integration setup.')
4330 if get_option('tcg').allowed() and target_dirs.length() > 0
4332 message('configure has succeeded and you can continue to build, but')
4333 message('QEMU will use a slow interpreter to emulate the target CPU.')
4337 if not supported_oses.contains(targetos)
4339 warning('UNSUPPORTED HOST OS')
4341 message('Support for host OS ' + targetos + 'is not currently maintained.')
4342 message('configure has succeeded and you can continue to build, but')
4343 message('the QEMU project does not guarantee that QEMU will compile or')
4344 message('work on this operating system. You can help by volunteering')
4345 message('to maintain it and providing a build host for our continuous')
4346 message('integration setup. This will ensure that future versions of QEMU')
4347 message('will keep working on ' + targetos + '.')
4350 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4352 message('If you want to help supporting QEMU on this platform, please')
4353 message('contact the developers at qemu-devel@nongnu.org.')