1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 targetos = host_machine.system()
18 sh = find_program('sh')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
21 cc = meson.get_compiler('c')
23 if targetos == 'windows' and add_languages('cpp', required: false, native: false)
24 all_languages += ['cpp']
25 cxx = meson.get_compiler('cpp')
27 if targetos == 'darwin' and \
28 add_languages('objc', required: get_option('cocoa'), native: false)
29 all_languages += ['objc']
30 objc = meson.get_compiler('objc')
33 # Temporary directory used for files created while
34 # configure runs. Since it is in the build directory
35 # we can safely blow away any previous version of it
36 # (and we need not jump through hoops to try to delete
37 # it when configure exits.)
38 tmpdir = meson.current_build_dir() / 'meson-private/temp'
40 if get_option('qemu_suffix').startswith('/')
41 error('qemu_suffix cannot start with a /')
44 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
45 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
46 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
47 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
49 qemu_desktopdir = get_option('datadir') / 'applications'
50 qemu_icondir = get_option('datadir') / 'icons'
52 config_host_data = configuration_data()
54 qapi_trace_events = []
56 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
59 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
61 cpu = host_machine.cpu_family()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 enable_modules = get_option('modules') \
82 .require(targetos != 'windows',
83 error_message: 'Modules are not available for Windows') \
84 .require(not get_option('prefer_static'),
85 error_message: 'Modules are incompatible with static linking') \
87 have_block = have_system or have_tools
89 python = import('python').find_installation()
91 if cpu not in supported_cpus
97 elif cpu in ['riscv32', 'riscv64']
103 if cpu in ['x86', 'x86_64']
104 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
105 elif cpu == 'aarch64'
106 kvm_targets = ['aarch64-softmmu']
108 kvm_targets = ['s390x-softmmu']
109 elif cpu in ['ppc', 'ppc64']
110 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
111 elif cpu in ['mips', 'mips64']
112 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
113 elif cpu in ['riscv32']
114 kvm_targets = ['riscv32-softmmu']
115 elif cpu in ['riscv64']
116 kvm_targets = ['riscv64-softmmu']
122 if get_option('kvm').allowed() and targetos == 'linux'
123 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
129 if cpu in ['aarch64']
130 accelerator_targets += {
131 'CONFIG_HVF': ['aarch64-softmmu']
135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
136 # i386 emulator provides xenpv machine type for multiple architectures
137 accelerator_targets += {
138 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
141 if cpu in ['x86', 'x86_64']
142 accelerator_targets += {
143 'CONFIG_HVF': ['x86_64-softmmu'],
144 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
145 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
150 # Darwin does not support references to thread-local variables in modules
151 if targetos != 'darwin'
152 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
155 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
156 unpack_edk2_blobs = false
157 foreach target : edk2_targets
158 if target in target_dirs
159 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
160 unpack_edk2_blobs = bzip2.found()
167 if 'dtrace' in get_option('trace_backends')
168 dtrace = find_program('dtrace', required: true)
169 stap = find_program('stap', required: false)
171 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
172 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
173 # instead. QEMU --enable-modules depends on this because the SystemTap
174 # semaphores are linked into the main binary and not the module's shared
176 add_global_arguments('-DSTAP_SDT_V2',
177 native: false, language: all_languages)
181 if get_option('iasl') == ''
182 iasl = find_program('iasl', required: false)
184 iasl = find_program(get_option('iasl'), required: true)
191 foreach lang : all_languages
192 compiler = meson.get_compiler(lang)
193 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
195 elif compiler.get_id() == 'clang' and compiler.compiles('''
196 #ifdef __apple_build_version__
197 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
198 # error You need at least XCode Clang v12.0 to compile QEMU
201 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
202 # error You need at least Clang v10.0 to compile QEMU
207 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
211 # default flags for all hosts
212 # We use -fwrapv to tell the compiler that we require a C dialect where
213 # left shift of signed integers is well defined and has the expected
214 # 2s-complement style results. (Both clang and gcc agree that it
215 # provides these semantics.)
217 qemu_common_flags = [
218 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
219 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
223 if targetos == 'darwin'
224 # Disable attempts to use ObjectiveC features in os/object.h since they
225 # won't work when we're compiling with gcc as a C compiler.
226 if compiler.get_id() == 'gcc'
227 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
229 elif targetos == 'sunos'
230 # needed for CMSG_ macros in sys/socket.h
231 qemu_common_flags += '-D_XOPEN_SOURCE=600'
232 # needed for TIOCWIN* defines in termios.h
233 qemu_common_flags += '-D__EXTENSIONS__'
234 elif targetos == 'haiku'
235 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
238 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
239 # use i686 as default anyway, but for those that don't, an explicit
240 # specification is necessary
241 if host_arch == 'i386' and not cc.links('''
242 static int sfaa(int *ptr)
244 return __sync_fetch_and_and(ptr, 0);
250 val = __sync_val_compare_and_swap(&val, 0, 1);
254 qemu_common_flags = ['-march=i486'] + qemu_common_flags
257 if get_option('gprof')
258 qemu_common_flags += ['-p']
259 qemu_ldflags += ['-p']
262 if get_option('prefer_static')
263 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
266 # Meson currently only handles pie as a boolean for now, so if the user
267 # has explicitly disabled PIE we need to extend our cflags.
269 # -no-pie is supposedly a linker flag that has no effect on the compiler
270 # command line, but some distros, that didn't quite know what they were
271 # doing, made local changes to gcc's specs file that turned it into
272 # a compiler command-line flag.
274 # What about linker flags? For a static build, no PIE is implied by -static
275 # which we added above (and if it's not because of the same specs patching,
276 # there's nothing we can do: compilation will fail, report a bug to your
277 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
278 # instead, we can't add -no-pie because it overrides -shared: the linker then
279 # tries to build an executable instead of a shared library and fails. So
280 # don't add -no-pie anywhere and cross fingers. :(
281 if not get_option('b_pie')
282 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
285 if not get_option('stack_protector').disabled()
286 stack_protector_probe = '''
287 int main(int argc, char *argv[])
289 char arr[64], *p = arr, *c = argv[argc - 1];
295 have_stack_protector = false
296 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
297 # We need to check both a compile and a link, since some compiler
298 # setups fail only on a .c->.o compile and some only at link time
299 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
300 cc.links(stack_protector_probe, args: ['-Werror', arg])
301 have_stack_protector = true
307 get_option('stack_protector') \
308 .require(have_stack_protector, error_message: 'Stack protector not supported')
311 coroutine_backend = get_option('coroutine_backend')
313 #include <ucontext.h>
314 #ifdef __stub_makecontext
315 #error Ignoring glibc stub makecontext which will always fail
317 int main(void) { makecontext(0, 0, 0); return 0; }'''
319 # On Windows the only valid backend is the Windows specific one.
320 # For POSIX prefer ucontext, but it's not always possible. The fallback
322 supported_backends = []
323 if targetos == 'windows'
324 supported_backends += ['windows']
326 if targetos != 'darwin' and cc.links(ucontext_probe)
327 supported_backends += ['ucontext']
329 supported_backends += ['sigaltstack']
332 if coroutine_backend == 'auto'
333 coroutine_backend = supported_backends[0]
334 elif coroutine_backend not in supported_backends
335 error('"@0@" backend requested but not available. Available backends: @1@' \
336 .format(coroutine_backend, ', '.join(supported_backends)))
339 # Compiles if SafeStack *not* enabled
340 safe_stack_probe = '''
343 #if defined(__has_feature)
344 #if __has_feature(safe_stack)
345 #error SafeStack Enabled
350 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
351 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
352 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
353 error(get_option('safe_stack') \
354 ? 'SafeStack not supported by your compiler' \
355 : 'Cannot disable SafeStack')
357 qemu_cflags += safe_stack_arg
358 qemu_ldflags += safe_stack_arg
360 if get_option('safe_stack') and coroutine_backend != 'ucontext'
361 error('SafeStack is only supported with the ucontext coroutine backend')
364 if get_option('sanitizers')
365 if cc.has_argument('-fsanitize=address')
366 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
367 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
370 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
371 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
372 args: [qemu_ldflags, '-fsanitize=undefined'])
373 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
374 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
378 # Thread sanitizer is, for now, much noisier than the other sanitizers;
379 # keep it separate until that is not the case.
380 if get_option('tsan')
381 if get_option('sanitizers')
382 error('TSAN is not supported with other sanitizers')
384 if not cc.has_function('__tsan_create_fiber',
385 args: '-fsanitize=thread',
386 prefix: '#include <sanitizer/tsan_interface.h>')
387 error('Cannot enable TSAN due to missing fiber annotation interface')
389 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
390 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
393 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
394 # The combination is known as "full relro", because .got.plt is read-only too.
395 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
397 if targetos == 'windows'
398 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
399 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
402 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
403 if targetos != 'sunos' and not get_option('tsan')
404 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
407 if get_option('fuzzing')
408 # Specify a filter to only instrument code that is directly related to
410 configure_file(output: 'instrumentation-filter',
411 input: 'scripts/oss-fuzz/instrumentation-filter-template',
414 if cc.compiles('int main () { return 0; }',
415 name: '-fsanitize-coverage-allowlist=/dev/null',
416 args: ['-fsanitize-coverage-allowlist=/dev/null',
417 '-fsanitize-coverage=trace-pc'] )
418 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
421 if get_option('fuzzing_engine') == ''
422 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
423 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
424 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
425 # unable to bind the fuzzer-related callbacks added by instrumentation.
426 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
427 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
428 # For the actual fuzzer binaries, we need to link against the libfuzzer
429 # library. They need to be configurable, to support OSS-Fuzz
430 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
432 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
433 # the needed CFLAGS have already been provided
434 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
438 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
439 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
441 # Collect warnings that we want to enable
446 '-Wmissing-prototypes',
447 '-Wstrict-prototypes',
449 '-Wold-style-declaration',
450 '-Wold-style-definition',
455 '-Wignored-qualifiers',
459 '-Wexpansion-to-defined',
460 '-Wimplicit-fallthrough=2',
461 '-Wmissing-format-attribute',
462 '-Wno-initializer-overrides',
463 '-Wno-missing-include-dirs',
464 '-Wno-shift-negative-value',
465 '-Wno-string-plus-int',
466 '-Wno-typedef-redefinition',
467 '-Wno-tautological-type-limit-compare',
469 '-Wno-gnu-variable-sized-type-not-at-end',
472 if targetos != 'darwin'
473 warn_flags += ['-Wthread-safety']
476 # Set up C++ compiler flags
478 if 'cpp' in all_languages
479 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
482 # clang does not support glibc + FORTIFY_SOURCE (is it still true?)
483 if get_option('optimization') != '0' and targetos == 'linux'
484 if cc.get_id() == 'gcc'
485 qemu_cflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
487 if 'cpp' in all_languages and cxx.get_id() == 'gcc'
488 qemu_cxxflags += ['-U_FORTIFY_SOURCE', '-D_FORTIFY_SOURCE=2']
492 add_project_arguments(qemu_cflags, native: false, language: 'c')
493 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
494 if 'cpp' in all_languages
495 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
496 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
498 if 'objc' in all_languages
499 # Note sanitizer flags are not applied to Objective-C sources!
500 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
502 if targetos == 'linux'
503 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
504 '-isystem', 'linux-headers',
505 language: all_languages)
508 add_project_arguments('-iquote', '.',
509 '-iquote', meson.current_source_dir(),
510 '-iquote', meson.current_source_dir() / 'include',
511 language: all_languages)
513 # If a host-specific include directory exists, list that first...
514 host_include = meson.current_source_dir() / 'host/include/'
515 if fs.is_dir(host_include / host_arch)
516 add_project_arguments('-iquote', host_include / host_arch,
517 language: all_languages)
519 # ... followed by the generic fallback.
520 add_project_arguments('-iquote', host_include / 'generic',
521 language: all_languages)
523 sparse = find_program('cgcc', required: get_option('sparse'))
526 command: [find_program('scripts/check_sparse.py'),
527 'compile_commands.json', sparse.full_path(), '-Wbitwise',
528 '-Wno-transparent-union', '-Wno-old-initializer',
529 '-Wno-non-pointer-null'])
532 ###########################################
533 # Target-specific checks and dependencies #
534 ###########################################
537 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
540 #include <sys/types.h>
541 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
542 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
544 args: ['-Werror', '-fsanitize=fuzzer'])
545 error('Your compiler does not support -fsanitize=fuzzer')
549 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
550 error('ftrace is supported only on Linux')
552 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
555 openlog("qemu", LOG_PID, LOG_DAEMON);
556 syslog(LOG_INFO, "configure");
559 error('syslog is not supported on this system')
562 # Miscellaneous Linux-only features
563 get_option('mpath') \
564 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
566 multiprocess_allowed = get_option('multiprocess') \
567 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
570 vfio_user_server_allowed = get_option('vfio_user_server') \
571 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
574 have_tpm = get_option('tpm') \
575 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
579 have_vhost_user = get_option('vhost_user') \
580 .disable_auto_if(targetos != 'linux') \
581 .require(targetos != 'windows',
582 error_message: 'vhost-user is not available on Windows').allowed()
583 have_vhost_vdpa = get_option('vhost_vdpa') \
584 .require(targetos == 'linux',
585 error_message: 'vhost-vdpa is only available on Linux').allowed()
586 have_vhost_kernel = get_option('vhost_kernel') \
587 .require(targetos == 'linux',
588 error_message: 'vhost-kernel is only available on Linux').allowed()
589 have_vhost_user_crypto = get_option('vhost_crypto') \
590 .require(have_vhost_user,
591 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
593 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
595 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
596 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
597 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
598 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
600 # Target-specific libraries and flags
601 libm = cc.find_library('m', required: false)
602 threads = dependency('threads')
603 util = cc.find_library('util', required: false)
609 emulator_link_args = []
616 if targetos == 'windows'
617 midl = find_program('midl', required: false)
618 widl = find_program('widl', required: false)
619 pathcch = cc.find_library('pathcch')
620 socket = cc.find_library('ws2_32')
621 winmm = cc.find_library('winmm')
623 win = import('windows')
624 version_res = win.compile_resources('version.rc',
625 depend_files: files('pc-bios/qemu-nsis.ico'),
626 include_directories: include_directories('.'))
628 elif targetos == 'darwin'
629 coref = dependency('appleframeworks', modules: 'CoreFoundation')
630 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
631 host_dsosuf = '.dylib'
632 elif targetos == 'sunos'
633 socket = [cc.find_library('socket'),
634 cc.find_library('nsl'),
635 cc.find_library('resolv')]
636 elif targetos == 'haiku'
637 socket = [cc.find_library('posix_error_mapper'),
638 cc.find_library('network'),
639 cc.find_library('bsd')]
640 elif targetos == 'openbsd'
641 if get_option('tcg').allowed() and target_dirs.length() > 0
642 # Disable OpenBSD W^X if available
643 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
647 # Target-specific configuration of accelerators
649 if get_option('kvm').allowed() and targetos == 'linux'
650 accelerators += 'CONFIG_KVM'
652 if get_option('whpx').allowed() and targetos == 'windows'
653 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
654 error('WHPX requires 64-bit host')
655 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
656 cc.has_header('winhvemulation.h', required: get_option('whpx'))
657 accelerators += 'CONFIG_WHPX'
660 if get_option('hvf').allowed()
661 hvf = dependency('appleframeworks', modules: 'Hypervisor',
662 required: get_option('hvf'))
664 accelerators += 'CONFIG_HVF'
667 if targetos == 'netbsd'
668 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
670 accelerators += 'CONFIG_NVMM'
675 if get_option('tcg').allowed()
676 if host_arch == 'unknown'
677 if not get_option('tcg_interpreter')
678 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
680 elif get_option('tcg_interpreter')
681 warning('Use of the TCG interpreter is not recommended on this host')
682 warning('architecture. There is a native TCG execution backend available')
683 warning('which provides substantially better performance and reliability.')
684 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
685 warning('configuration option on this architecture to use the native')
688 if get_option('tcg_interpreter')
690 elif host_arch == 'x86_64'
692 elif host_arch == 'ppc64'
695 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
696 language: all_languages)
698 accelerators += 'CONFIG_TCG'
701 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
702 error('KVM not available on this platform')
704 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
705 error('HVF not available on this platform')
707 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
708 error('NVMM not available on this platform')
710 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
711 error('WHPX not available on this platform')
718 # When bumping glib minimum version, please check also whether to increase
719 # the _WIN32_WINNT setting in osdep.h according to the value from glib
720 glib_req_ver = '>=2.56.0'
721 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
722 method: 'pkg-config')
725 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
726 method: 'pkg-config')
727 elif get_option('plugins')
728 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
729 method: 'pkg-config')
734 # This workaround is required due to a bug in pkg-config file for glib as it
735 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
736 if targetos == 'windows' and get_option('prefer_static')
737 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
740 # Sanity check that the current size_t matches the
741 # size that glib thinks it should be. This catches
742 # problems on multi-arch where people try to build
743 # 32-bit QEMU while pointing at 64-bit glib headers
745 if not cc.compiles('''
749 #define QEMU_BUILD_BUG_ON(x) \
750 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
753 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
755 }''', dependencies: glib_pc, args: glib_cflags)
756 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
757 You probably need to set PKG_CONFIG_LIBDIR" to point
758 to the right pkg-config files for your build target.''')
761 # Silence clang warnings triggered by glib < 2.57.2
762 if not cc.compiles('''
767 static void foo_free(Foo *f)
771 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
772 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
773 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
775 glib = declare_dependency(dependencies: [glib_pc, gmodule],
776 compile_args: glib_cflags,
777 version: glib_pc.version())
779 # Check whether glib has gslice, which we have to avoid for correctness.
780 # TODO: remove this check and the corresponding workaround (qtree) when
781 # the minimum supported glib is >= 2.75.3
782 glib_has_gslice = glib.version().version_compare('<2.75.3')
784 # override glib dep to include the above refinements
785 meson.override_dependency('glib-2.0', glib)
787 # The path to glib.h is added to all compilation commands.
788 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
789 native: false, language: all_languages)
792 gdbus_codegen = not_found
793 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
794 if not get_option('gio').auto() or have_system
795 gio = dependency('gio-2.0', required: get_option('gio'),
796 method: 'pkg-config')
797 if gio.found() and not cc.links('''
801 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
803 }''', dependencies: [glib, gio])
804 if get_option('gio').enabled()
805 error('The installed libgio is broken for static linking')
810 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
811 required: get_option('gio'))
812 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
813 method: 'pkg-config')
814 gio = declare_dependency(dependencies: [gio, gio_unix],
815 version: gio.version())
818 if gdbus_codegen.found() and get_option('cfi')
819 gdbus_codegen = not_found
820 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
823 xml_pp = find_program('scripts/xml-preprocess.py')
826 if 'ust' in get_option('trace_backends')
827 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
828 method: 'pkg-config')
831 if have_system or have_tools
832 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
833 method: 'pkg-config')
835 zlib = dependency('zlib', required: true)
838 if not get_option('linux_aio').auto() or have_block
839 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
840 required: get_option('linux_aio'))
843 linux_io_uring_test = '''
844 #include <liburing.h>
845 #include <linux/errqueue.h>
847 int main(void) { return 0; }'''
849 linux_io_uring = not_found
850 if not get_option('linux_io_uring').auto() or have_block
851 linux_io_uring = dependency('liburing', version: '>=0.3',
852 required: get_option('linux_io_uring'),
853 method: 'pkg-config')
854 if not cc.links(linux_io_uring_test)
855 linux_io_uring = not_found
860 if not get_option('libnfs').auto() or have_block
861 libnfs = dependency('libnfs', version: '>=1.9.3',
862 required: get_option('libnfs'),
863 method: 'pkg-config')
868 #include <sys/types.h>
869 #ifdef CONFIG_LIBATTR
870 #include <attr/xattr.h>
872 #include <sys/xattr.h>
874 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
877 have_old_libattr = false
878 if get_option('attr').allowed()
879 if cc.links(libattr_test)
880 libattr = declare_dependency()
882 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
883 required: get_option('attr'))
884 if libattr.found() and not \
885 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
887 if get_option('attr').enabled()
888 error('could not link libattr')
890 warning('could not link libattr, disabling')
893 have_old_libattr = libattr.found()
898 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
899 required: get_option('cocoa'))
901 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
902 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
903 'VMNET_BRIDGED_MODE',
906 if get_option('vmnet').enabled()
907 error('vmnet.framework API is outdated')
909 warning('vmnet.framework API is outdated, disabling')
914 seccomp_has_sysrawrc = false
915 if not get_option('seccomp').auto() or have_system or have_tools
916 seccomp = dependency('libseccomp', version: '>=2.3.0',
917 required: get_option('seccomp'),
918 method: 'pkg-config')
920 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
921 'SCMP_FLTATR_API_SYSRAWRC',
922 dependencies: seccomp)
926 libcap_ng = not_found
927 if not get_option('cap_ng').auto() or have_system or have_tools
928 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
929 required: get_option('cap_ng'))
931 if libcap_ng.found() and not cc.links('''
935 capng_capability_to_name(CAPNG_EFFECTIVE);
937 }''', dependencies: libcap_ng)
938 libcap_ng = not_found
939 if get_option('cap_ng').enabled()
940 error('could not link libcap-ng')
942 warning('could not link libcap-ng, disabling')
946 if get_option('xkbcommon').auto() and not have_system and not have_tools
947 xkbcommon = not_found
949 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
950 method: 'pkg-config')
954 if not get_option('slirp').auto() or have_system
955 slirp = dependency('slirp', required: get_option('slirp'),
956 method: 'pkg-config')
957 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
958 # it passes function pointers within libslirp as callbacks for timers.
959 # When using a system-wide shared libslirp, the type information for the
960 # callback is missing and the timer call produces a false positive with CFI.
961 # Do not use the "version" keyword argument to produce a better error.
962 # with control-flow integrity.
963 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
964 if get_option('slirp').enabled()
965 error('Control-Flow Integrity requires libslirp 4.7.')
967 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
974 if not get_option('vde').auto() or have_system or have_tools
975 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
976 required: get_option('vde'))
978 if vde.found() and not cc.links('''
979 #include <libvdeplug.h>
982 struct vde_open_args a = {0, 0, 0};
986 }''', dependencies: vde)
988 if get_option('cap_ng').enabled()
989 error('could not link libvdeplug')
991 warning('could not link libvdeplug, disabling')
996 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
997 pulse = dependency('libpulse', required: get_option('pa'),
998 method: 'pkg-config')
1001 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
1002 alsa = dependency('alsa', required: get_option('alsa'),
1003 method: 'pkg-config')
1006 if not get_option('jack').auto() or have_system
1007 jack = dependency('jack', required: get_option('jack'),
1008 method: 'pkg-config')
1010 pipewire = not_found
1011 if not get_option('pipewire').auto() or (targetos == 'linux' and have_system)
1012 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1013 required: get_option('pipewire'),
1014 method: 'pkg-config')
1017 if not get_option('sndio').auto() or have_system
1018 sndio = dependency('sndio', required: get_option('sndio'),
1019 method: 'pkg-config')
1022 spice_protocol = not_found
1023 if not get_option('spice_protocol').auto() or have_system
1024 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1025 required: get_option('spice_protocol'),
1026 method: 'pkg-config')
1029 if not get_option('spice').auto() or have_system
1030 spice = dependency('spice-server', version: '>=0.14.0',
1031 required: get_option('spice'),
1032 method: 'pkg-config')
1034 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1036 rt = cc.find_library('rt', required: false)
1038 libiscsi = not_found
1039 if not get_option('libiscsi').auto() or have_block
1040 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1041 required: get_option('libiscsi'),
1042 method: 'pkg-config')
1045 if not get_option('zstd').auto() or have_block
1046 zstd = dependency('libzstd', version: '>=1.4.0',
1047 required: get_option('zstd'),
1048 method: 'pkg-config')
1052 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
1053 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1054 virgl = dependency('virglrenderer',
1055 method: 'pkg-config',
1056 required: get_option('virglrenderer'))
1058 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
1059 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
1060 prefix: '#include <virglrenderer.h>',
1061 dependencies: virgl))
1065 if not get_option('blkio').auto() or have_block
1066 blkio = dependency('blkio',
1067 method: 'pkg-config',
1068 required: get_option('blkio'))
1071 if not get_option('curl').auto() or have_block
1072 curl = dependency('libcurl', version: '>=7.29.0',
1073 method: 'pkg-config',
1074 required: get_option('curl'))
1077 if targetos == 'linux' and (have_system or have_tools)
1078 libudev = dependency('libudev',
1079 method: 'pkg-config',
1080 required: get_option('libudev'))
1083 mpathlibs = [libudev]
1084 mpathpersist = not_found
1085 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
1086 mpath_test_source = '''
1087 #include <libudev.h>
1088 #include <mpath_persist.h>
1089 unsigned mpath_mx_alloc_len = 1024;
1091 static struct config *multipath_conf;
1092 extern struct udev *udev;
1093 extern struct config *get_multipath_config(void);
1094 extern void put_multipath_config(struct config *conf);
1096 struct config *get_multipath_config(void) { return multipath_conf; }
1097 void put_multipath_config(struct config *conf) { }
1100 multipath_conf = mpath_lib_init();
1103 libmpathpersist = cc.find_library('mpathpersist',
1104 required: get_option('mpath'))
1105 if libmpathpersist.found()
1106 mpathlibs += libmpathpersist
1107 if get_option('prefer_static')
1108 mpathlibs += cc.find_library('devmapper',
1109 required: get_option('mpath'))
1111 mpathlibs += cc.find_library('multipath',
1112 required: get_option('mpath'))
1113 foreach lib: mpathlibs
1119 if mpathlibs.length() == 0
1120 msg = 'Dependencies missing for libmpathpersist'
1121 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1122 mpathpersist = declare_dependency(dependencies: mpathlibs)
1124 msg = 'Cannot detect libmpathpersist API'
1126 if not mpathpersist.found()
1127 if get_option('mpath').enabled()
1130 warning(msg + ', disabling')
1138 if have_system and get_option('curses').allowed()
1140 #if defined(__APPLE__) || defined(__OpenBSD__)
1141 #define _XOPEN_SOURCE_EXTENDED 1
1148 setlocale(LC_ALL, "");
1150 addwstr(L"wide chars\n");
1152 add_wch(WACS_DEGREE);
1156 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1157 curses = dependency(curses_dep_list,
1159 method: 'pkg-config')
1160 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1161 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1163 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1164 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1165 version: curses.version())
1167 msg = 'curses package not usable'
1171 if not curses.found()
1172 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1173 if targetos != 'windows' and not has_curses_h
1174 message('Trying with /usr/include/ncursesw')
1175 curses_compile_args += ['-I/usr/include/ncursesw']
1176 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1179 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1180 foreach curses_libname : curses_libname_list
1181 libcurses = cc.find_library(curses_libname,
1183 if libcurses.found()
1184 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1185 curses = declare_dependency(compile_args: curses_compile_args,
1186 dependencies: [libcurses])
1189 msg = 'curses library not usable'
1195 if get_option('iconv').allowed()
1196 foreach link_args : [ ['-liconv'], [] ]
1197 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1198 # We need to use libiconv if available because mixing libiconv's headers with
1199 # the system libc does not work.
1200 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1201 # included in the command line and libiconv will not be found.
1205 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1206 return conv != (iconv_t) -1;
1207 }''', args: link_args, dependencies: glib)
1208 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1213 if curses.found() and not iconv.found()
1214 if get_option('iconv').enabled()
1215 error('iconv not available')
1217 msg = 'iconv required for curses UI but not available'
1220 if not curses.found() and msg != ''
1221 if get_option('curses').enabled()
1224 warning(msg + ', disabling')
1230 if not get_option('brlapi').auto() or have_system
1231 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1232 required: get_option('brlapi'))
1233 if brlapi.found() and not cc.links('''
1236 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1238 if get_option('brlapi').enabled()
1239 error('could not link brlapi')
1241 warning('could not link brlapi, disabling')
1247 if not get_option('sdl').auto() or have_system
1248 sdl = dependency('sdl2', required: get_option('sdl'))
1249 sdl_image = not_found
1252 # Some versions of SDL have problems with -Wundef
1253 if not cc.compiles('''
1255 #include <SDL_syswm.h>
1256 int main(int argc, char *argv[]) { return 0; }
1257 ''', dependencies: sdl, args: '-Werror=undef')
1258 sdl = declare_dependency(compile_args: '-Wno-undef',
1260 version: sdl.version())
1262 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1263 method: 'pkg-config')
1265 if get_option('sdl_image').enabled()
1266 error('sdl-image required, but SDL was @0@'.format(
1267 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1269 sdl_image = not_found
1273 if not get_option('rbd').auto() or have_block
1274 librados = cc.find_library('rados', required: get_option('rbd'))
1275 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1276 required: get_option('rbd'))
1277 if librados.found() and librbd.found()
1280 #include <rbd/librbd.h>
1283 rados_create(&cluster, NULL);
1284 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1288 }''', dependencies: [librbd, librados])
1289 rbd = declare_dependency(dependencies: [librbd, librados])
1290 elif get_option('rbd').enabled()
1291 error('librbd >= 1.12.0 required')
1293 warning('librbd >= 1.12.0 not found, disabling')
1298 glusterfs = not_found
1299 glusterfs_ftruncate_has_stat = false
1300 glusterfs_iocb_has_stat = false
1301 if not get_option('glusterfs').auto() or have_block
1302 glusterfs = dependency('glusterfs-api', version: '>=3',
1303 required: get_option('glusterfs'),
1304 method: 'pkg-config')
1305 if glusterfs.found()
1306 glusterfs_ftruncate_has_stat = cc.links('''
1307 #include <glusterfs/api/glfs.h>
1312 /* new glfs_ftruncate() passes two additional args */
1313 return glfs_ftruncate(NULL, 0, NULL, NULL);
1315 ''', dependencies: glusterfs)
1316 glusterfs_iocb_has_stat = cc.links('''
1317 #include <glusterfs/api/glfs.h>
1319 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1321 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1327 glfs_io_cbk iocb = &glusterfs_iocb;
1328 iocb(NULL, 0 , NULL, NULL, NULL);
1331 ''', dependencies: glusterfs)
1336 if not get_option('libssh').auto() or have_block
1337 libssh = dependency('libssh', version: '>=0.8.7',
1338 method: 'pkg-config',
1339 required: get_option('libssh'))
1342 libbzip2 = not_found
1343 if not get_option('bzip2').auto() or have_block
1344 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1345 required: get_option('bzip2'))
1346 if libbzip2.found() and not cc.links('''
1348 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1349 libbzip2 = not_found
1350 if get_option('bzip2').enabled()
1351 error('could not link libbzip2')
1353 warning('could not link libbzip2, disabling')
1358 liblzfse = not_found
1359 if not get_option('lzfse').auto() or have_block
1360 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1361 required: get_option('lzfse'))
1363 if liblzfse.found() and not cc.links('''
1365 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1366 liblzfse = not_found
1367 if get_option('lzfse').enabled()
1368 error('could not link liblzfse')
1370 warning('could not link liblzfse, disabling')
1375 if get_option('oss').allowed() and have_system
1376 if not cc.has_header('sys/soundcard.h')
1378 elif targetos == 'netbsd'
1379 oss = cc.find_library('ossaudio', required: get_option('oss'))
1381 oss = declare_dependency()
1385 if get_option('oss').enabled()
1386 error('OSS not found')
1391 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1392 if cc.has_header('dsound.h')
1393 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1396 if not dsound.found()
1397 if get_option('dsound').enabled()
1398 error('DirectSound not found')
1403 coreaudio = not_found
1404 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1405 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1406 required: get_option('coreaudio'))
1410 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1411 epoxy = dependency('epoxy', method: 'pkg-config',
1412 required: get_option('opengl'))
1413 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1415 elif get_option('opengl').enabled()
1416 error('epoxy/egl.h not found')
1420 if (have_system or have_tools) and (virgl.found() or opengl.found())
1421 gbm = dependency('gbm', method: 'pkg-config', required: false)
1423 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1426 gnutls_crypto = not_found
1427 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1428 # For general TLS support our min gnutls matches
1429 # that implied by our platform support matrix
1431 # For the crypto backends, we look for a newer
1434 # Version 3.6.8 is needed to get XTS
1435 # Version 3.6.13 is needed to get PBKDF
1436 # Version 3.6.14 is needed to get HW accelerated XTS
1438 # If newer enough gnutls isn't available, we can
1439 # still use a different crypto backend to satisfy
1440 # the platform support requirements
1441 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1442 method: 'pkg-config',
1444 if gnutls_crypto.found()
1445 gnutls = gnutls_crypto
1447 # Our min version if all we need is TLS
1448 gnutls = dependency('gnutls', version: '>=3.5.18',
1449 method: 'pkg-config',
1450 required: get_option('gnutls'))
1454 # We prefer use of gnutls for crypto, unless the options
1455 # explicitly asked for nettle or gcrypt.
1457 # If gnutls isn't available for crypto, then we'll prefer
1458 # gcrypt over nettle for performance reasons.
1464 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1465 error('Only one of gcrypt & nettle can be enabled')
1468 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1469 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1470 gnutls_crypto = not_found
1473 if not gnutls_crypto.found()
1474 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1475 gcrypt = dependency('libgcrypt', version: '>=1.8',
1476 method: 'config-tool',
1477 required: get_option('gcrypt'))
1478 # Debian has removed -lgpg-error from libgcrypt-config
1479 # as it "spreads unnecessary dependencies" which in
1480 # turn breaks static builds...
1481 if gcrypt.found() and get_option('prefer_static')
1482 gcrypt = declare_dependency(dependencies:
1484 cc.find_library('gpg-error', required: true)],
1485 version: gcrypt.version())
1488 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1489 nettle = dependency('nettle', version: '>=3.4',
1490 method: 'pkg-config',
1491 required: get_option('nettle'))
1492 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1498 gmp = dependency('gmp', required: false, method: 'pkg-config')
1499 if nettle.found() and gmp.found()
1500 hogweed = dependency('hogweed', version: '>=3.4',
1501 method: 'pkg-config',
1502 required: get_option('nettle'))
1509 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1511 if not get_option('gtk').auto() or have_system
1512 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1513 method: 'pkg-config',
1514 required: get_option('gtk'))
1516 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1517 method: 'pkg-config',
1519 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1520 version: gtk.version())
1522 if not get_option('vte').auto() or have_system
1523 vte = dependency('vte-2.91',
1524 method: 'pkg-config',
1525 required: get_option('vte'))
1527 elif have_gtk_clipboard
1528 error('GTK clipboard requested, but GTK not found')
1534 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1537 if get_option('png').allowed() and have_system
1538 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1539 method: 'pkg-config')
1544 if get_option('vnc').allowed() and have_system
1545 vnc = declare_dependency() # dummy dependency
1546 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1547 method: 'pkg-config')
1548 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1549 required: get_option('vnc_sasl'))
1551 sasl = declare_dependency(dependencies: sasl,
1552 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1557 if not get_option('auth_pam').auto() or have_system
1558 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1559 required: get_option('auth_pam'))
1561 if pam.found() and not cc.links('''
1563 #include <security/pam_appl.h>
1565 const char *service_name = "qemu";
1566 const char *user = "frank";
1567 const struct pam_conv pam_conv = { 0 };
1568 pam_handle_t *pamh = NULL;
1569 pam_start(service_name, user, &pam_conv, &pamh);
1571 }''', dependencies: pam)
1573 if get_option('auth_pam').enabled()
1574 error('could not link libpam')
1576 warning('could not link libpam, disabling')
1581 if not get_option('snappy').auto() or have_system
1582 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1583 required: get_option('snappy'))
1585 if snappy.found() and not cc.links('''
1586 #include <snappy-c.h>
1587 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1589 if get_option('snappy').enabled()
1590 error('could not link libsnappy')
1592 warning('could not link libsnappy, disabling')
1597 if not get_option('lzo').auto() or have_system
1598 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1599 required: get_option('lzo'))
1601 if lzo.found() and not cc.links('''
1602 #include <lzo/lzo1x.h>
1603 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1605 if get_option('lzo').enabled()
1606 error('could not link liblzo2')
1608 warning('could not link liblzo2, disabling')
1613 if not get_option('numa').auto() or have_system or have_tools
1614 numa = cc.find_library('numa', has_headers: ['numa.h'],
1615 required: get_option('numa'))
1617 if numa.found() and not cc.links('''
1619 int main(void) { return numa_available(); }
1620 ''', dependencies: numa)
1622 if get_option('numa').enabled()
1623 error('could not link numa')
1625 warning('could not link numa, disabling')
1630 if not get_option('rdma').auto() or have_system
1631 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1632 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1633 required: get_option('rdma')),
1634 cc.find_library('ibverbs', required: get_option('rdma')),
1636 rdma = declare_dependency(dependencies: rdma_libs)
1637 foreach lib: rdma_libs
1645 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1646 xencontrol = dependency('xencontrol', required: false,
1647 method: 'pkg-config')
1648 if xencontrol.found()
1649 xen_pc = declare_dependency(version: xencontrol.version(),
1652 # disabler: true makes xen_pc.found() return false if any is not found
1653 dependency('xenstore', required: false,
1654 method: 'pkg-config',
1656 dependency('xenforeignmemory', required: false,
1657 method: 'pkg-config',
1659 dependency('xengnttab', required: false,
1660 method: 'pkg-config',
1662 dependency('xenevtchn', required: false,
1663 method: 'pkg-config',
1665 dependency('xendevicemodel', required: false,
1666 method: 'pkg-config',
1668 # optional, no "disabler: true"
1669 dependency('xentoolcore', required: false,
1670 method: 'pkg-config')])
1676 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
1678 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1679 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1680 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1681 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1682 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1685 foreach ver: xen_tests
1686 # cache the various library tests to avoid polluting the logs
1688 foreach l: xen_libs[ver]
1689 if l not in xen_deps
1690 xen_deps += { l: cc.find_library(l, required: false) }
1692 xen_test_deps += xen_deps[l]
1695 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1696 xen_version = ver.split('.')
1697 xen_ctrl_version = xen_version[0] + \
1698 ('0' + xen_version[1]).substring(-2) + \
1699 ('0' + xen_version[2]).substring(-2)
1700 if cc.links(files('scripts/xen-detect.c'),
1701 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1702 dependencies: xen_test_deps)
1703 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1709 accelerators += 'CONFIG_XEN'
1710 elif get_option('xen').enabled()
1711 error('could not compile and link Xen test program')
1714 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1715 .require(xen.found(),
1716 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1717 .require(targetos == 'linux',
1718 error_message: 'Xen PCI passthrough not available on this platform') \
1719 .require(cpu == 'x86' or cpu == 'x86_64',
1720 error_message: 'Xen PCI passthrough not available on this platform') \
1725 if not get_option('smartcard').auto() or have_system
1726 cacard = dependency('libcacard', required: get_option('smartcard'),
1727 version: '>=2.5.1', method: 'pkg-config')
1731 u2f = dependency('u2f-emu', required: get_option('u2f'),
1732 method: 'pkg-config')
1736 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1737 method: 'pkg-config')
1739 usbredir = not_found
1740 if not get_option('usb_redir').auto() or have_system
1741 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1742 version: '>=0.6', method: 'pkg-config')
1745 if not get_option('libusb').auto() or have_system
1746 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1747 version: '>=1.0.13', method: 'pkg-config')
1751 if not get_option('libpmem').auto() or have_system
1752 libpmem = dependency('libpmem', required: get_option('libpmem'),
1753 method: 'pkg-config')
1755 libdaxctl = not_found
1756 if not get_option('libdaxctl').auto() or have_system
1757 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1758 version: '>=57', method: 'pkg-config')
1762 tasn1 = dependency('libtasn1',
1763 method: 'pkg-config')
1765 keyutils = not_found
1766 if get_option('keyring').enabled()
1767 keyutils = dependency('libkeyutils', required: false, method: 'pkg-config')
1770 has_gettid = cc.has_function('gettid')
1773 selinux = dependency('libselinux',
1774 required: get_option('selinux'),
1775 method: 'pkg-config')
1780 if get_option('malloc') == 'system'
1782 get_option('malloc_trim').allowed() and \
1783 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1785 has_malloc_trim = false
1786 malloc = cc.find_library(get_option('malloc'), required: true)
1788 if not has_malloc_trim and get_option('malloc_trim').enabled()
1789 if get_option('malloc') == 'system'
1790 error('malloc_trim not available on this platform.')
1792 error('malloc_trim not available with non-libc memory allocator')
1796 gnu_source_prefix = '''
1802 # Check whether the glibc provides STATX_BASIC_STATS
1804 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1806 # Check whether statx() provides mount ID information
1808 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1810 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1811 .require(targetos == 'linux',
1812 error_message: 'vhost_user_blk_server requires linux') \
1813 .require(have_vhost_user,
1814 error_message: 'vhost_user_blk_server requires vhost-user support') \
1815 .disable_auto_if(not have_tools and not have_system) \
1818 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1819 error('Cannot enable fuse-lseek while fuse is disabled')
1822 fuse = dependency('fuse3', required: get_option('fuse'),
1823 version: '>=3.1', method: 'pkg-config')
1825 fuse_lseek = not_found
1826 if get_option('fuse_lseek').allowed()
1827 if fuse.version().version_compare('>=3.8')
1829 fuse_lseek = declare_dependency()
1830 elif get_option('fuse_lseek').enabled()
1832 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1834 error('fuse-lseek requires libfuse, which was not found')
1839 have_libvduse = (targetos == 'linux')
1840 if get_option('libvduse').enabled()
1841 if targetos != 'linux'
1842 error('libvduse requires linux')
1844 elif get_option('libvduse').disabled()
1845 have_libvduse = false
1848 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1849 if get_option('vduse_blk_export').enabled()
1850 if targetos != 'linux'
1851 error('vduse_blk_export requires linux')
1852 elif not have_libvduse
1853 error('vduse_blk_export requires libvduse support')
1855 elif get_option('vduse_blk_export').disabled()
1856 have_vduse_blk_export = false
1860 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1861 if libbpf.found() and not cc.links('''
1862 #include <bpf/libbpf.h>
1865 bpf_object__destroy_skeleton(NULL);
1867 }''', dependencies: libbpf)
1869 if get_option('bpf').enabled()
1870 error('libbpf skeleton test failed')
1872 warning('libbpf skeleton test failed, disabling')
1878 if not get_option('af_xdp').auto() or have_system
1879 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1880 version: '>=1.4.0', method: 'pkg-config')
1885 if not get_option('libdw').auto() or \
1886 (not get_option('prefer_static') and (have_system or have_user))
1887 libdw = dependency('libdw',
1888 method: 'pkg-config',
1889 required: get_option('libdw'))
1896 audio_drivers_selected = []
1898 audio_drivers_available = {
1899 'alsa': alsa.found(),
1900 'coreaudio': coreaudio.found(),
1901 'dsound': dsound.found(),
1902 'jack': jack.found(),
1904 'pa': pulse.found(),
1905 'pipewire': pipewire.found(),
1907 'sndio': sndio.found(),
1909 foreach k, v: audio_drivers_available
1910 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1913 # Default to native drivers first, OSS second, SDL third
1914 audio_drivers_priority = \
1915 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1916 (targetos == 'linux' ? [] : [ 'sdl' ])
1917 audio_drivers_default = []
1918 foreach k: audio_drivers_priority
1919 if audio_drivers_available[k]
1920 audio_drivers_default += k
1924 foreach k: get_option('audio_drv_list')
1926 audio_drivers_selected += audio_drivers_default
1927 elif not audio_drivers_available[k]
1928 error('Audio driver "@0@" not available.'.format(k))
1930 audio_drivers_selected += k
1934 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1935 '"' + '", "'.join(audio_drivers_selected) + '", ')
1937 if get_option('cfi')
1939 # Check for dependency on LTO
1940 if not get_option('b_lto')
1941 error('Selected Control-Flow Integrity but LTO is disabled')
1944 error('Selected Control-Flow Integrity is not compatible with modules')
1946 # Check for cfi flags. CFI requires LTO so we can't use
1947 # get_supported_arguments, but need a more complex "compiles" which allows
1949 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1950 args: ['-flto', '-fsanitize=cfi-icall'] )
1951 cfi_flags += '-fsanitize=cfi-icall'
1953 error('-fsanitize=cfi-icall is not supported by the compiler')
1955 if cc.compiles('int main () { return 0; }',
1956 name: '-fsanitize-cfi-icall-generalize-pointers',
1957 args: ['-flto', '-fsanitize=cfi-icall',
1958 '-fsanitize-cfi-icall-generalize-pointers'] )
1959 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1961 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1963 if get_option('cfi_debug')
1964 if cc.compiles('int main () { return 0; }',
1965 name: '-fno-sanitize-trap=cfi-icall',
1966 args: ['-flto', '-fsanitize=cfi-icall',
1967 '-fno-sanitize-trap=cfi-icall'] )
1968 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1970 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1973 add_global_arguments(cfi_flags, native: false, language: all_languages)
1974 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1977 have_host_block_device = (targetos != 'darwin' or
1978 cc.has_header('IOKit/storage/IOMedia.h'))
1980 dbus_display = get_option('dbus_display') \
1981 .require(gio.version().version_compare('>=2.64'),
1982 error_message: '-display dbus requires glib>=2.64') \
1983 .require(gdbus_codegen.found(),
1984 error_message: gdbus_codegen_error.format('-display dbus')) \
1987 have_virtfs = get_option('virtfs') \
1988 .require(targetos == 'linux' or targetos == 'darwin',
1989 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1990 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1991 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1992 .require(targetos == 'darwin' or libattr.found(),
1993 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
1994 .disable_auto_if(not have_tools and not have_system) \
1997 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
1998 .require(targetos != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
1999 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2000 .disable_auto_if(not have_tools) \
2001 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2004 if get_option('block_drv_ro_whitelist') == ''
2005 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2007 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2008 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2010 if get_option('block_drv_rw_whitelist') == ''
2011 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2013 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2014 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2017 foreach k : get_option('trace_backends')
2018 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2020 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2021 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2023 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2025 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2026 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2027 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2028 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2029 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2031 qemu_firmwarepath = ''
2032 foreach k : get_option('qemu_firmwarepath')
2033 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2035 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2037 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2038 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2039 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2040 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2041 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2042 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2045 config_host_data.set('CONFIG_STAMP', run_command(
2046 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2047 meson.project_version(), get_option('pkgversion'), '--',
2048 meson.current_source_dir() / 'configure',
2049 capture: true, check: true).stdout().strip())
2052 have_slirp_smbd = get_option('slirp_smbd') \
2053 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
2056 smbd_path = get_option('smbd')
2058 smbd_path = (targetos == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2060 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2063 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2065 if get_option('module_upgrades') and not enable_modules
2066 error('Cannot enable module-upgrades as modules are not enabled')
2068 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2070 config_host_data.set('CONFIG_ATTR', libattr.found())
2071 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2072 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2073 config_host_data.set('CONFIG_BSD', targetos in bsd_oses)
2074 config_host_data.set('CONFIG_COCOA', cocoa.found())
2075 config_host_data.set('CONFIG_DARWIN', targetos == 'darwin')
2076 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2077 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2078 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2079 config_host_data.set('CONFIG_LINUX', targetos == 'linux')
2080 config_host_data.set('CONFIG_POSIX', targetos != 'windows')
2081 config_host_data.set('CONFIG_WIN32', targetos == 'windows')
2082 config_host_data.set('CONFIG_LZO', lzo.found())
2083 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2084 config_host_data.set('CONFIG_BLKIO', blkio.found())
2086 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2087 blkio.version().version_compare('>=1.3.0'))
2089 config_host_data.set('CONFIG_CURL', curl.found())
2090 config_host_data.set('CONFIG_CURSES', curses.found())
2091 config_host_data.set('CONFIG_GBM', gbm.found())
2092 config_host_data.set('CONFIG_GIO', gio.found())
2093 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2094 if glusterfs.found()
2095 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2096 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2097 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2098 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2099 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2100 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2102 config_host_data.set('CONFIG_GTK', gtk.found())
2103 config_host_data.set('CONFIG_VTE', vte.found())
2104 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2105 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2106 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2107 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2108 config_host_data.set('CONFIG_EBPF', libbpf.found())
2109 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2110 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2111 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2112 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2113 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2114 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2115 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2116 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2117 config_host_data.set('CONFIG_MODULES', enable_modules)
2118 config_host_data.set('CONFIG_NUMA', numa.found())
2120 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2121 cc.has_function('numa_has_preferred_many',
2122 dependencies: numa))
2124 config_host_data.set('CONFIG_OPENGL', opengl.found())
2125 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2126 config_host_data.set('CONFIG_RBD', rbd.found())
2127 config_host_data.set('CONFIG_RDMA', rdma.found())
2128 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2129 config_host_data.set('CONFIG_SDL', sdl.found())
2130 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2131 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2133 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2135 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2136 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
2137 if get_option('tcg').allowed()
2138 config_host_data.set('CONFIG_TCG', 1)
2139 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2141 config_host_data.set('CONFIG_TPM', have_tpm)
2142 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2143 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2144 config_host_data.set('CONFIG_VDE', vde.found())
2145 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2146 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2147 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2148 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2149 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2150 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2151 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2152 config_host_data.set('CONFIG_VMNET', vmnet.found())
2153 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2154 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2155 config_host_data.set('CONFIG_PNG', png.found())
2156 config_host_data.set('CONFIG_VNC', vnc.found())
2157 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2158 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2159 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2160 config_host_data.set('CONFIG_VTE', vte.found())
2161 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2162 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2163 config_host_data.set('CONFIG_GETTID', has_gettid)
2164 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2165 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2166 config_host_data.set('CONFIG_TASN1', tasn1.found())
2167 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2168 config_host_data.set('CONFIG_NETTLE', nettle.found())
2169 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2170 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2171 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2172 config_host_data.set('CONFIG_STATX', has_statx)
2173 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2174 config_host_data.set('CONFIG_ZSTD', zstd.found())
2175 config_host_data.set('CONFIG_FUSE', fuse.found())
2176 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2177 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2178 if spice_protocol.found()
2179 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2180 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2181 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2183 config_host_data.set('CONFIG_SPICE', spice.found())
2184 config_host_data.set('CONFIG_X11', x11.found())
2185 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2186 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2187 config_host_data.set('CONFIG_SELINUX', selinux.found())
2188 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2189 config_host_data.set('CONFIG_LIBDW', libdw.found())
2191 # protect from xen.version() having less than three components
2192 xen_version = xen.version().split('.') + ['0', '0']
2193 xen_ctrl_version = xen_version[0] + \
2194 ('0' + xen_version[1]).substring(-2) + \
2195 ('0' + xen_version[2]).substring(-2)
2196 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2198 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2199 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2200 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2201 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2203 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2204 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2206 have_coroutine_pool = get_option('coroutine_pool')
2207 if get_option('debug_stack_usage') and have_coroutine_pool
2208 message('Disabling coroutine pool to measure stack usage')
2209 have_coroutine_pool = false
2211 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2212 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2213 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2214 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2215 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2216 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
2217 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2218 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2219 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2222 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2223 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2224 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2225 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2226 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2227 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2228 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2229 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2230 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2231 if targetos == 'windows'
2232 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2236 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2237 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2238 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2239 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2240 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2241 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2242 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2243 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2244 # Note that we need to specify prefix: here to avoid incorrectly
2245 # thinking that Windows has posix_memalign()
2246 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2247 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2248 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2249 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2250 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2251 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2252 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2253 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2254 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2255 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2256 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2257 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2258 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2259 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2260 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2261 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2262 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2263 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2265 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2266 cc.has_function('rbd_namespace_exists',
2268 prefix: '#include <rbd/librbd.h>'))
2271 config_host_data.set('HAVE_IBV_ADVISE_MR',
2272 cc.has_function('ibv_advise_mr',
2274 prefix: '#include <infiniband/verbs.h>'))
2277 have_asan_fiber = false
2278 if get_option('sanitizers') and \
2279 not cc.has_function('__sanitizer_start_switch_fiber',
2280 args: '-fsanitize=address',
2281 prefix: '#include <sanitizer/asan_interface.h>')
2282 warning('Missing ASAN due to missing fiber annotation interface')
2283 warning('Without code annotation, the report may be inferior.')
2285 have_asan_fiber = true
2287 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2290 config_host_data.set('CONFIG_BLKZONED',
2291 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2292 config_host_data.set('CONFIG_EPOLL_CREATE1',
2293 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2294 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2295 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2296 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2297 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2298 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2299 config_host_data.set('CONFIG_FIEMAP',
2300 cc.has_header('linux/fiemap.h') and
2301 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2302 config_host_data.set('CONFIG_GETRANDOM',
2303 cc.has_function('getrandom') and
2304 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2305 config_host_data.set('CONFIG_INOTIFY',
2306 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2307 config_host_data.set('CONFIG_INOTIFY1',
2308 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2309 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2310 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2311 config_host_data.set('CONFIG_RTNETLINK',
2312 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2313 config_host_data.set('CONFIG_SYSMACROS',
2314 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2315 config_host_data.set('HAVE_OPTRESET',
2316 cc.has_header_symbol('getopt.h', 'optreset'))
2317 config_host_data.set('HAVE_IPPROTO_MPTCP',
2318 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2321 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2322 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2323 prefix: '#include <signal.h>'))
2324 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2325 cc.has_member('struct stat', 'st_atim',
2326 prefix: '#include <sys/stat.h>'))
2327 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2328 cc.has_member('struct blk_zone', 'capacity',
2329 prefix: '#include <linux/blkzoned.h>'))
2332 config_host_data.set('CONFIG_IOVEC',
2333 cc.has_type('struct iovec',
2334 prefix: '#include <sys/uio.h>'))
2335 config_host_data.set('HAVE_UTMPX',
2336 cc.has_type('struct utmpx',
2337 prefix: '#include <utmpx.h>'))
2339 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2340 #include <sys/eventfd.h>
2341 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2342 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2345 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2346 return fdatasync(0);
2348 #error Not supported
2352 has_madvise = cc.links(gnu_source_prefix + '''
2353 #include <sys/types.h>
2354 #include <sys/mman.h>
2356 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2357 missing_madvise_proto = false
2359 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2360 # but forget to prototype it. In this case, has_madvise will be true (the
2361 # test program links despite a compile warning). To detect the
2362 # missing-prototype case, we try again with a definitely-bogus prototype.
2363 # This will only compile if the system headers don't provide the prototype;
2364 # otherwise the conflicting prototypes will cause a compiler error.
2365 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2366 #include <sys/types.h>
2367 #include <sys/mman.h>
2369 extern int madvise(int);
2370 int main(void) { return madvise(0); }''')
2372 config_host_data.set('CONFIG_MADVISE', has_madvise)
2373 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2375 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2376 #include <sys/mman.h>
2377 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2378 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2380 #if !defined(AT_EMPTY_PATH)
2381 # error missing definition
2383 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2385 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2386 #include <sys/mman.h>
2388 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2390 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2391 #include <pthread.h>
2393 static void *f(void *p) { return NULL; }
2397 pthread_create(&thread, 0, f, 0);
2398 pthread_setname_np(thread, "QEMU");
2400 }''', dependencies: threads))
2401 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2402 #include <pthread.h>
2404 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2408 pthread_create(&thread, 0, f, 0);
2410 }''', dependencies: threads))
2411 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2412 #include <pthread.h>
2413 #include <pthread_np.h>
2415 static void *f(void *p) { return NULL; }
2419 pthread_create(&thread, 0, f, 0);
2420 pthread_set_name_np(thread, "QEMU");
2422 }''', dependencies: threads))
2423 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2424 #include <pthread.h>
2429 pthread_condattr_t attr
2430 pthread_condattr_init(&attr);
2431 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2433 }''', dependencies: threads))
2434 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2435 #include <pthread.h>
2437 static void *f(void *p) { return NULL; }
2440 int setsize = CPU_ALLOC_SIZE(64);
2443 pthread_create(&thread, 0, f, 0);
2444 cpuset = CPU_ALLOC(64);
2445 CPU_ZERO_S(setsize, cpuset);
2446 pthread_setaffinity_np(thread, setsize, cpuset);
2447 pthread_getaffinity_np(thread, setsize, cpuset);
2450 }''', dependencies: threads))
2451 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2452 #include <sys/signalfd.h>
2454 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2455 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2463 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2464 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2468 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2469 #include <sys/mman.h>
2471 return mlockall(MCL_FUTURE);
2475 if get_option('l2tpv3').allowed() and have_system
2476 have_l2tpv3 = cc.has_type('struct mmsghdr',
2477 prefix: gnu_source_prefix + '''
2478 #include <sys/socket.h>
2479 #include <linux/ip.h>''')
2481 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2484 if get_option('netmap').allowed() and have_system
2485 have_netmap = cc.compiles('''
2486 #include <inttypes.h>
2488 #include <net/netmap.h>
2489 #include <net/netmap_user.h>
2490 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2493 int main(void) { return 0; }''')
2494 if not have_netmap and get_option('netmap').enabled()
2495 error('Netmap headers not available')
2498 config_host_data.set('CONFIG_NETMAP', have_netmap)
2500 # Work around a system header bug with some kernel/XFS header
2501 # versions where they both try to define 'struct fsxattr':
2502 # xfs headers will not try to redefine structs from linux headers
2503 # if this macro is set.
2504 config_host_data.set('HAVE_FSXATTR', cc.links('''
2505 #include <linux/fs.h>
2511 # Some versions of Mac OS X incorrectly define SIZE_MAX
2512 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2516 return printf("%zu", SIZE_MAX);
2517 }''', args: ['-Werror']))
2519 # See if 64-bit atomic operations are supported.
2520 # Note that without __atomic builtins, we can only
2521 # assume atomic loads/stores max at pointer size.
2522 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2526 uint64_t x = 0, y = 0;
2527 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2528 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2529 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2530 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2531 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2535 has_int128_type = cc.compiles('''
2538 int main(void) { b = a; }''')
2539 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2541 has_int128 = has_int128_type and cc.links('''
2550 config_host_data.set('CONFIG_INT128', has_int128)
2553 # "do we have 128-bit atomics which are handled inline and specifically not
2554 # via libatomic". The reason we can't use libatomic is documented in the
2555 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2556 # We only care about these operations on 16-byte aligned pointers, so
2557 # force 16-byte alignment of the pointer, which may be greater than
2558 # __alignof(unsigned __int128) for the host.
2559 atomic_test_128 = '''
2560 int main(int ac, char **av) {
2561 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2562 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2563 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2564 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2567 has_atomic128 = cc.links(atomic_test_128)
2569 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2571 if not has_atomic128
2572 # Even with __builtin_assume_aligned, the above test may have failed
2573 # without optimization enabled. Try again with optimizations locally
2574 # enabled for the function. See
2575 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2576 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2577 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2579 if not has_atomic128_opt
2580 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2583 __uint128_t x = 0, y = 0;
2584 __sync_val_compare_and_swap_16(&x, y, x);
2592 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2593 #include <sys/auxv.h>
2595 return getauxval(AT_HWCAP) == 0;
2598 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2599 #include <linux/usbdevice_fs.h>
2601 #ifndef USBDEVFS_GET_CAPABILITIES
2602 #error "USBDEVFS_GET_CAPABILITIES undefined"
2605 #ifndef USBDEVFS_DISCONNECT_CLAIM
2606 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2609 int main(void) { return 0; }'''))
2611 have_keyring = get_option('keyring') \
2612 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2613 .require(cc.compiles('''
2615 #include <asm/unistd.h>
2616 #include <linux/keyctl.h>
2617 #include <sys/syscall.h>
2620 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2621 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2622 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2624 have_cpuid_h = cc.links('''
2627 unsigned a, b, c, d;
2628 unsigned max = __get_cpuid_max(0, 0);
2631 __cpuid(1, a, b, c, d);
2635 __cpuid_count(7, 0, a, b, c, d);
2640 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2642 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2643 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2644 .require(cc.links('''
2646 #include <immintrin.h>
2647 static int __attribute__((target("avx2"))) bar(void *a) {
2648 __m256i x = *(__m256i *)a;
2649 return _mm256_testz_si256(x, x);
2651 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2652 '''), error_message: 'AVX2 not available').allowed())
2654 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2655 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2656 .require(cc.links('''
2658 #include <immintrin.h>
2659 static int __attribute__((target("avx512f"))) bar(void *a) {
2660 __m512i x = *(__m512i *)a;
2661 return _mm512_test_epi64_mask(x, x);
2663 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2664 '''), error_message: 'AVX512F not available').allowed())
2666 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2667 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2668 .require(cc.links('''
2670 #include <immintrin.h>
2671 static int __attribute__((target("avx512bw"))) bar(void *a) {
2673 __m512i res= _mm512_abs_epi8(*x);
2676 int main(int argc, char *argv[]) { return bar(argv[0]); }
2677 '''), error_message: 'AVX512BW not available').allowed())
2679 # For both AArch64 and AArch32, detect if builtins are available.
2680 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2681 #include <arm_neon.h>
2682 #ifndef __ARM_FEATURE_AES
2683 __attribute__((target("+crypto")))
2685 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2688 have_pvrdma = get_option('pvrdma') \
2689 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2690 .require(cc.compiles(gnu_source_prefix + '''
2691 #include <sys/mman.h>
2696 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2699 }'''), error_message: 'PVRDMA requires mremap').allowed()
2702 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2703 #include <infiniband/verbs.h>
2707 struct ibv_pd *pd = NULL;
2713 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2719 if get_option('membarrier').disabled()
2720 have_membarrier = false
2721 elif targetos == 'windows'
2722 have_membarrier = true
2723 elif targetos == 'linux'
2724 have_membarrier = cc.compiles('''
2725 #include <linux/membarrier.h>
2726 #include <sys/syscall.h>
2730 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2731 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2735 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2736 .require(have_membarrier, error_message: 'membarrier system call not available') \
2739 have_afalg = get_option('crypto_afalg') \
2740 .require(cc.compiles(gnu_source_prefix + '''
2742 #include <sys/types.h>
2743 #include <sys/socket.h>
2744 #include <linux/if_alg.h>
2747 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2750 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2751 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2753 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2754 'linux/vm_sockets.h', 'AF_VSOCK',
2755 prefix: '#include <sys/socket.h>',
2759 have_vss_sdk = false # old xp/2003 SDK
2760 if targetos == 'windows' and 'cpp' in all_languages
2761 have_vss = cxx.compiles('''
2762 #define __MIDL_user_allocate_free_DEFINED__
2764 int main(void) { return VSS_CTX_BACKUP; }''')
2765 have_vss_sdk = cxx.has_header('vscoordint.h')
2767 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2769 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2770 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2771 if targetos == 'windows'
2772 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2778 }''', name: '_lock_file and _unlock_file'))
2781 if targetos == 'windows'
2782 mingw_has_setjmp_longjmp = cc.links('''
2786 * These functions are not available in setjmp header, but may be
2787 * available at link time, from libmingwex.a.
2789 extern int __mingw_setjmp(jmp_buf);
2790 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2792 __mingw_setjmp(env);
2793 __mingw_longjmp(env, 0);
2795 ''', name: 'mingw setjmp and longjmp')
2797 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2798 error('mingw must provide setjmp/longjmp for windows-arm64')
2802 ########################
2803 # Target configuration #
2804 ########################
2806 minikconf = find_program('scripts/minikconf.py')
2808 (targetos == 'windows' ? 'CONFIG_WIN32' : 'CONFIG_POSIX'): 'y'
2810 if targetos == 'darwin'
2811 config_targetos += {'CONFIG_DARWIN': 'y'}
2812 elif targetos == 'linux'
2813 config_targetos += {'CONFIG_LINUX': 'y'}
2815 if targetos in bsd_oses
2816 config_targetos += {'CONFIG_BSD': 'y'}
2820 config_all_devices = {}
2821 config_all_disas = {}
2822 config_devices_mak_list = []
2823 config_devices_h = {}
2824 config_target_h = {}
2825 config_target_mak = {}
2828 'alpha' : ['CONFIG_ALPHA_DIS'],
2829 'avr' : ['CONFIG_AVR_DIS'],
2830 'cris' : ['CONFIG_CRIS_DIS'],
2831 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2832 'hppa' : ['CONFIG_HPPA_DIS'],
2833 'i386' : ['CONFIG_I386_DIS'],
2834 'x86_64' : ['CONFIG_I386_DIS'],
2835 'm68k' : ['CONFIG_M68K_DIS'],
2836 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2837 'mips' : ['CONFIG_MIPS_DIS'],
2838 'nios2' : ['CONFIG_NIOS2_DIS'],
2839 'or1k' : ['CONFIG_OPENRISC_DIS'],
2840 'ppc' : ['CONFIG_PPC_DIS'],
2841 'riscv' : ['CONFIG_RISCV_DIS'],
2842 'rx' : ['CONFIG_RX_DIS'],
2843 's390' : ['CONFIG_S390_DIS'],
2844 'sh4' : ['CONFIG_SH4_DIS'],
2845 'sparc' : ['CONFIG_SPARC_DIS'],
2846 'xtensa' : ['CONFIG_XTENSA_DIS'],
2847 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2850 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2852 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2853 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2854 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2855 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2856 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2857 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2858 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2859 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2860 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2861 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2862 (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2863 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2864 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2865 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2867 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2869 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2870 actual_target_dirs = []
2872 foreach target : target_dirs
2873 config_target = { 'TARGET_NAME': target.split('-')[0] }
2874 if target.endswith('linux-user')
2875 if targetos != 'linux'
2879 error('Target @0@ is only available on a Linux host'.format(target))
2881 config_target += { 'CONFIG_LINUX_USER': 'y' }
2882 elif target.endswith('bsd-user')
2883 if targetos not in bsd_oses
2887 error('Target @0@ is only available on a BSD host'.format(target))
2889 config_target += { 'CONFIG_BSD_USER': 'y' }
2890 elif target.endswith('softmmu')
2891 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2892 config_target += { 'CONFIG_SOFTMMU': 'y' }
2894 if target.endswith('-user')
2896 'CONFIG_USER_ONLY': 'y',
2897 'CONFIG_QEMU_INTERP_PREFIX':
2898 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2903 foreach sym: accelerators
2904 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2905 config_target += { sym: 'y' }
2906 config_all += { sym: 'y' }
2907 if target in modular_tcg
2908 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2910 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2912 accel_kconfig += [ sym + '=y' ]
2915 if accel_kconfig.length() == 0
2919 error('No accelerator available for target @0@'.format(target))
2922 actual_target_dirs += target
2923 config_target += keyval.load('configs/targets' / target + '.mak')
2924 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2926 if 'TARGET_NEED_FDT' in config_target
2927 fdt_required += target
2931 if 'TARGET_BASE_ARCH' not in config_target
2932 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2934 if 'TARGET_ABI_DIR' not in config_target
2935 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2937 if 'TARGET_BIG_ENDIAN' not in config_target
2938 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2941 foreach k, v: disassemblers
2942 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2944 config_target += { sym: 'y' }
2945 config_all_disas += { sym: 'y' }
2950 config_target_data = configuration_data()
2951 foreach k, v: config_target
2952 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2954 elif ignored.contains(k)
2956 elif k == 'TARGET_BASE_ARCH'
2957 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2958 # not used to select files from sourcesets.
2959 config_target_data.set('TARGET_' + v.to_upper(), 1)
2960 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2961 config_target_data.set_quoted(k, v)
2963 config_target_data.set(k, 1)
2965 config_target_data.set(k, 0)
2967 config_target_data.set(k, v)
2970 config_target_data.set('QEMU_ARCH',
2971 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2972 config_target_h += {target: configure_file(output: target + '-config-target.h',
2973 configuration: config_target_data)}
2975 if target.endswith('-softmmu')
2976 config_input = meson.get_external_property(target, 'default')
2977 config_devices_mak = target + '-config-devices.mak'
2978 config_devices_mak = configure_file(
2979 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2980 output: config_devices_mak,
2981 depfile: config_devices_mak + '.d',
2983 command: [minikconf,
2984 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2985 config_devices_mak, '@DEPFILE@', '@INPUT@',
2986 host_kconfig, accel_kconfig,
2987 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2989 config_devices_data = configuration_data()
2990 config_devices = keyval.load(config_devices_mak)
2991 foreach k, v: config_devices
2992 config_devices_data.set(k, 1)
2994 config_devices_mak_list += config_devices_mak
2995 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2996 configuration: config_devices_data)}
2997 config_target += config_devices
2998 config_all_devices += config_devices
3000 config_target_mak += {target: config_target}
3002 target_dirs = actual_target_dirs
3004 # This configuration is used to build files that are shared by
3005 # multiple binaries, and then extracted out of the "common"
3006 # static_library target.
3008 # We do not use all_sources()/all_dependencies(), because it would
3009 # build literally all source files, including devices only used by
3010 # targets that are not built for this compilation. The CONFIG_ALL
3011 # pseudo symbol replaces it.
3013 config_all += config_all_devices
3014 config_all += config_targetos
3015 config_all += config_all_disas
3017 'CONFIG_XEN': xen.found(),
3018 'CONFIG_SYSTEM_ONLY': have_system,
3019 'CONFIG_USER_ONLY': have_user,
3023 target_configs_h = []
3024 foreach target: target_dirs
3025 target_configs_h += config_target_h[target]
3026 target_configs_h += config_devices_h.get(target, [])
3028 genh += custom_target('config-poison.h',
3029 input: [target_configs_h],
3030 output: 'config-poison.h',
3032 command: [find_program('scripts/make-config-poison.sh'),
3039 capstone = not_found
3040 if not get_option('capstone').auto() or have_system or have_user
3041 capstone = dependency('capstone', version: '>=3.0.5',
3042 method: 'pkg-config',
3043 required: get_option('capstone'))
3045 # Some versions of capstone have broken pkg-config file
3046 # that reports a wrong -I path, causing the #include to
3047 # fail later. If the system has such a broken version
3049 if capstone.found() and not cc.compiles('#include <capstone.h>',
3050 dependencies: [capstone])
3051 capstone = not_found
3052 if get_option('capstone').enabled()
3053 error('capstone requested, but it does not appear to work')
3058 libvfio_user_dep = not_found
3059 if have_system and vfio_user_server_allowed
3060 libvfio_user_proj = subproject('libvfio-user', required: true)
3061 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3065 fdt_opt = get_option('fdt')
3066 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3067 if fdt_opt == 'disabled'
3068 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3071 if fdt_opt in ['enabled', 'auto', 'system']
3072 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3073 if fdt.found() and cc.links('''
3075 #include <libfdt_env.h>
3076 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3079 elif fdt_opt == 'system'
3080 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3082 fdt_opt = 'internal'
3087 assert(fdt_opt == 'internal')
3088 libfdt_proj = subproject('dtc', required: true,
3089 default_options: ['tools=false', 'yaml=disabled',
3090 'python=disabled', 'default_library=static'])
3091 fdt = libfdt_proj.get_variable('libfdt_dep')
3094 fdt_opt = 'disabled'
3097 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
3098 config_host_data.set('CONFIG_FDT', fdt.found())
3099 config_host_data.set('CONFIG_SLIRP', slirp.found())
3101 #####################
3102 # Generated sources #
3103 #####################
3105 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3107 hxtool = find_program('scripts/hxtool')
3108 shaderinclude = find_program('scripts/shaderinclude.py')
3109 qapi_gen = find_program('scripts/qapi-gen.py')
3110 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3111 meson.current_source_dir() / 'scripts/qapi/commands.py',
3112 meson.current_source_dir() / 'scripts/qapi/common.py',
3113 meson.current_source_dir() / 'scripts/qapi/error.py',
3114 meson.current_source_dir() / 'scripts/qapi/events.py',
3115 meson.current_source_dir() / 'scripts/qapi/expr.py',
3116 meson.current_source_dir() / 'scripts/qapi/gen.py',
3117 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3118 meson.current_source_dir() / 'scripts/qapi/main.py',
3119 meson.current_source_dir() / 'scripts/qapi/parser.py',
3120 meson.current_source_dir() / 'scripts/qapi/schema.py',
3121 meson.current_source_dir() / 'scripts/qapi/source.py',
3122 meson.current_source_dir() / 'scripts/qapi/types.py',
3123 meson.current_source_dir() / 'scripts/qapi/visit.py',
3124 meson.current_source_dir() / 'scripts/qapi-gen.py'
3128 python, files('scripts/tracetool.py'),
3129 '--backend=' + ','.join(get_option('trace_backends'))
3131 tracetool_depends = files(
3132 'scripts/tracetool/backend/log.py',
3133 'scripts/tracetool/backend/__init__.py',
3134 'scripts/tracetool/backend/dtrace.py',
3135 'scripts/tracetool/backend/ftrace.py',
3136 'scripts/tracetool/backend/simple.py',
3137 'scripts/tracetool/backend/syslog.py',
3138 'scripts/tracetool/backend/ust.py',
3139 'scripts/tracetool/format/ust_events_c.py',
3140 'scripts/tracetool/format/ust_events_h.py',
3141 'scripts/tracetool/format/__init__.py',
3142 'scripts/tracetool/format/d.py',
3143 'scripts/tracetool/format/simpletrace_stap.py',
3144 'scripts/tracetool/format/c.py',
3145 'scripts/tracetool/format/h.py',
3146 'scripts/tracetool/format/log_stap.py',
3147 'scripts/tracetool/format/stap.py',
3148 'scripts/tracetool/__init__.py',
3149 'scripts/tracetool/vcpu.py'
3152 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3153 meson.current_source_dir(),
3154 get_option('pkgversion'), meson.project_version()]
3155 qemu_version = custom_target('qemu-version.h',
3156 output: 'qemu-version.h',
3157 command: qemu_version_cmd,
3159 build_by_default: true,
3160 build_always_stale: true)
3161 genh += qemu_version
3165 ['qemu-options.hx', 'qemu-options.def'],
3166 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3170 ['hmp-commands.hx', 'hmp-commands.h'],
3171 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3174 foreach d : hx_headers
3175 hxdep += custom_target(d[1],
3179 build_by_default: true, # to be removed when added to a target
3180 command: [hxtool, '-h', '@INPUT0@'])
3188 authz_ss = ss.source_set()
3189 blockdev_ss = ss.source_set()
3190 block_ss = ss.source_set()
3191 chardev_ss = ss.source_set()
3192 common_ss = ss.source_set()
3193 crypto_ss = ss.source_set()
3194 hwcore_ss = ss.source_set()
3195 io_ss = ss.source_set()
3196 qmp_ss = ss.source_set()
3197 qom_ss = ss.source_set()
3198 system_ss = ss.source_set()
3199 specific_fuzz_ss = ss.source_set()
3200 specific_ss = ss.source_set()
3201 stub_ss = ss.source_set()
3202 trace_ss = ss.source_set()
3203 user_ss = ss.source_set()
3204 util_ss = ss.source_set()
3207 qtest_module_ss = ss.source_set()
3208 tcg_module_ss = ss.source_set()
3214 target_softmmu_arch = {}
3215 target_user_arch = {}
3221 # TODO: add each directory to the subdirs from its own meson.build, once
3223 trace_events_subdirs = [
3232 trace_events_subdirs += [ 'linux-user' ]
3235 trace_events_subdirs += [ 'bsd-user' ]
3238 trace_events_subdirs += [
3247 trace_events_subdirs += [
3261 'hw/block/dataplane',
3312 if have_system or have_user
3313 trace_events_subdirs += [
3331 vhost_user = not_found
3332 if targetos == 'linux' and have_vhost_user
3333 libvhost_user = subproject('libvhost-user')
3334 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3337 libvduse = not_found
3339 libvduse_proj = subproject('libvduse')
3340 libvduse = libvduse_proj.get_variable('libvduse_dep')
3343 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3344 # that is filled in by qapi/.
3358 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3359 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3362 qom_ss = qom_ss.apply(config_targetos, strict: false)
3363 libqom = static_library('qom', qom_ss.sources() + genh,
3364 dependencies: [qom_ss.dependencies()],
3366 qom = declare_dependency(link_whole: libqom)
3368 event_loop_base = files('event-loop-base.c')
3369 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3370 build_by_default: true)
3371 event_loop_base = declare_dependency(link_whole: event_loop_base,
3372 dependencies: [qom])
3374 stub_ss = stub_ss.apply(config_all, strict: false)
3376 util_ss.add_all(trace_ss)
3377 util_ss = util_ss.apply(config_all, strict: false)
3378 libqemuutil = static_library('qemuutil',
3379 sources: util_ss.sources() + stub_ss.sources() + genh,
3380 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3381 qemuutil = declare_dependency(link_with: libqemuutil,
3382 sources: genh + version_res,
3383 dependencies: [event_loop_base])
3385 if have_system or have_user
3386 decodetree = generator(find_program('scripts/decodetree.py'),
3387 output: 'decode-@BASENAME@.c.inc',
3388 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3389 subdir('libdecnumber')
3406 if config_host_data.get('CONFIG_REPLICATION')
3407 block_ss.add(files('replication.c'))
3414 blockdev_ss.add(files(
3421 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3422 # os-win32.c does not
3423 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3424 system_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3427 common_ss.add(files('cpus-common.c'))
3428 specific_ss.add(files('cpu.c'))
3432 # Work around a gcc bug/misfeature wherein constant propagation looks
3434 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3435 # to guess that a const variable is always zero. Without lto, this is
3436 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3437 # without lto, not even the alias is required -- we simply use different
3438 # declarations in different compilation units.
3439 pagevary = files('page-vary-common.c')
3440 if get_option('b_lto')
3441 pagevary_flags = ['-fno-lto']
3442 if get_option('cfi')
3443 pagevary_flags += '-fno-sanitize=cfi-icall'
3445 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3446 c_args: pagevary_flags)
3447 pagevary = declare_dependency(link_with: pagevary)
3449 common_ss.add(pagevary)
3450 specific_ss.add(files('page-vary.c'))
3458 subdir('semihosting')
3466 common_user_inc = []
3468 subdir('common-user')
3470 subdir('linux-user')
3472 # needed for fuzzing binaries
3473 subdir('tests/qtest/libqos')
3474 subdir('tests/qtest/fuzz')
3477 tcg_real_module_ss = ss.source_set()
3478 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3479 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3480 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3481 'tcg': tcg_real_module_ss }}
3483 ########################
3484 # Library dependencies #
3485 ########################
3487 modinfo_collect = find_program('scripts/modinfo-collect.py')
3488 modinfo_generate = find_program('scripts/modinfo-generate.py')
3493 foreach d, list : modules
3494 if not (d == 'block' ? have_block : have_system)
3498 foreach m, module_ss : list
3500 module_ss = module_ss.apply(config_all, strict: false)
3501 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3502 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3508 if module_ss.sources() != []
3509 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3510 # input. Sources can be used multiple times but objects are
3511 # unique when it comes to lookup in compile_commands.json.
3512 # Depnds on a mesion version with
3513 # https://github.com/mesonbuild/meson/pull/8900
3514 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3515 output: d + '-' + m + '.modinfo',
3516 input: module_ss.sources() + genh,
3518 command: [modinfo_collect, module_ss.sources()])
3522 block_ss.add_all(module_ss)
3524 system_ss.add_all(module_ss)
3530 foreach d, list : target_modules
3531 foreach m, module_ss : list
3533 foreach target : target_dirs
3534 if target.endswith('-softmmu')
3535 config_target = config_target_mak[target]
3536 config_target += config_targetos
3537 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3538 c_args = ['-DNEED_CPU_H',
3539 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3540 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3541 target_module_ss = module_ss.apply(config_target, strict: false)
3542 if target_module_ss.sources() != []
3543 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3544 sl = static_library(module_name,
3545 [genh, target_module_ss.sources()],
3546 dependencies: [modulecommon, target_module_ss.dependencies()],
3547 include_directories: target_inc,
3551 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3552 modinfo_files += custom_target(module_name + '.modinfo',
3553 output: module_name + '.modinfo',
3554 input: target_module_ss.sources() + genh,
3556 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3561 specific_ss.add_all(module_ss)
3567 foreach target : target_dirs
3568 if target.endswith('-softmmu')
3569 config_target = config_target_mak[target]
3570 config_devices_mak = target + '-config-devices.mak'
3571 modinfo_src = custom_target('modinfo-' + target + '.c',
3572 output: 'modinfo-' + target + '.c',
3573 input: modinfo_files,
3574 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3577 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3578 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3580 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3581 hw_arch[arch].add(modinfo_dep)
3586 nm = find_program('nm')
3587 undefsym = find_program('scripts/undefsym.py')
3588 block_syms = custom_target('block.syms', output: 'block.syms',
3589 input: [libqemuutil, block_mods],
3591 command: [undefsym, nm, '@INPUT@'])
3592 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3593 input: [libqemuutil, softmmu_mods],
3595 command: [undefsym, nm, '@INPUT@'])
3597 authz_ss = authz_ss.apply(config_targetos, strict: false)
3598 libauthz = static_library('authz', authz_ss.sources() + genh,
3599 dependencies: [authz_ss.dependencies()],
3601 build_by_default: false)
3603 authz = declare_dependency(link_whole: libauthz,
3606 crypto_ss = crypto_ss.apply(config_targetos, strict: false)
3607 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3608 dependencies: [crypto_ss.dependencies()],
3610 build_by_default: false)
3612 crypto = declare_dependency(link_whole: libcrypto,
3613 dependencies: [authz, qom])
3615 io_ss = io_ss.apply(config_targetos, strict: false)
3616 libio = static_library('io', io_ss.sources() + genh,
3617 dependencies: [io_ss.dependencies()],
3618 link_with: libqemuutil,
3620 build_by_default: false)
3622 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3624 libmigration = static_library('migration', sources: migration_files + genh,
3626 build_by_default: false)
3627 migration = declare_dependency(link_with: libmigration,
3628 dependencies: [zlib, qom, io])
3629 system_ss.add(migration)
3631 block_ss = block_ss.apply(config_targetos, strict: false)
3632 libblock = static_library('block', block_ss.sources() + genh,
3633 dependencies: block_ss.dependencies(),
3634 link_depends: block_syms,
3636 build_by_default: false)
3638 block = declare_dependency(link_whole: [libblock],
3639 link_args: '@block.syms',
3640 dependencies: [crypto, io])
3642 blockdev_ss = blockdev_ss.apply(config_targetos, strict: false)
3643 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3644 dependencies: blockdev_ss.dependencies(),
3646 build_by_default: false)
3648 blockdev = declare_dependency(link_whole: [libblockdev],
3649 dependencies: [block, event_loop_base])
3651 qmp_ss = qmp_ss.apply(config_targetos, strict: false)
3652 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3653 dependencies: qmp_ss.dependencies(),
3655 build_by_default: false)
3657 qmp = declare_dependency(link_whole: [libqmp])
3659 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3661 dependencies: chardev_ss.dependencies(),
3662 build_by_default: false)
3664 chardev = declare_dependency(link_whole: libchardev)
3666 hwcore_ss = hwcore_ss.apply(config_targetos, strict: false)
3667 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3669 build_by_default: false)
3670 hwcore = declare_dependency(link_whole: libhwcore)
3671 common_ss.add(hwcore)
3677 emulator_modules = []
3678 foreach m : block_mods + softmmu_mods
3679 emulator_modules += shared_module(m.name(),
3680 build_by_default: true,
3684 install_dir: qemu_moddir)
3686 if emulator_modules.length() > 0
3687 alias_target('modules', emulator_modules)
3690 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3691 common_ss.add(qom, qemuutil)
3693 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3694 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3696 common_all = common_ss.apply(config_all, strict: false)
3697 common_all = static_library('common',
3698 build_by_default: false,
3699 sources: common_all.sources() + genh,
3700 include_directories: common_user_inc,
3701 implicit_include_directories: false,
3702 dependencies: common_all.dependencies(),
3705 feature_to_c = find_program('scripts/feature_to_c.sh')
3707 if targetos == 'darwin'
3708 entitlement = find_program('scripts/entitlement.sh')
3712 foreach target : target_dirs
3713 config_target = config_target_mak[target]
3714 target_name = config_target['TARGET_NAME']
3715 target_base_arch = config_target['TARGET_BASE_ARCH']
3716 arch_srcs = [config_target_h[target]]
3718 c_args = ['-DNEED_CPU_H',
3719 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3720 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3721 link_args = emulator_link_args
3723 config_target += config_targetos
3724 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3725 if targetos == 'linux'
3726 target_inc += include_directories('linux-headers', is_system: true)
3728 if target.endswith('-softmmu')
3729 target_type='system'
3730 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3731 arch_srcs += t.sources()
3732 arch_deps += t.dependencies()
3734 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3735 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3736 arch_srcs += hw.sources()
3737 arch_deps += hw.dependencies()
3739 arch_srcs += config_devices_h[target]
3740 link_args += ['@block.syms', '@qemu.syms']
3742 abi = config_target['TARGET_ABI_DIR']
3744 target_inc += common_user_inc
3745 if target_base_arch in target_user_arch
3746 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3747 arch_srcs += t.sources()
3748 arch_deps += t.dependencies()
3750 if 'CONFIG_LINUX_USER' in config_target
3751 base_dir = 'linux-user'
3753 if 'CONFIG_BSD_USER' in config_target
3754 base_dir = 'bsd-user'
3755 target_inc += include_directories('bsd-user/' / targetos)
3756 target_inc += include_directories('bsd-user/host/' / host_arch)
3757 dir = base_dir / abi
3758 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3760 target_inc += include_directories(
3764 if 'CONFIG_LINUX_USER' in config_target
3765 dir = base_dir / abi
3766 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3767 if config_target.has_key('TARGET_SYSTBL_ABI')
3769 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3770 extra_args : config_target['TARGET_SYSTBL_ABI'])
3775 if 'TARGET_XML_FILES' in config_target
3776 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3777 output: target + '-gdbstub-xml.c',
3778 input: files(config_target['TARGET_XML_FILES'].split()),
3779 command: [feature_to_c, '@INPUT@'],
3781 arch_srcs += gdbstub_xml
3784 t = target_arch[target_base_arch].apply(config_target, strict: false)
3785 arch_srcs += t.sources()
3786 arch_deps += t.dependencies()
3788 target_common = common_ss.apply(config_target, strict: false)
3789 objects = common_all.extract_objects(target_common.sources())
3790 deps = target_common.dependencies()
3792 target_specific = specific_ss.apply(config_target, strict: false)
3793 arch_srcs += target_specific.sources()
3794 arch_deps += target_specific.dependencies()
3796 lib = static_library('qemu-' + target,
3797 sources: arch_srcs + genh,
3798 dependencies: arch_deps,
3800 include_directories: target_inc,
3802 build_by_default: false,
3805 if target.endswith('-softmmu')
3807 'name': 'qemu-system-' + target_name,
3808 'win_subsystem': 'console',
3809 'sources': files('softmmu/main.c'),
3812 if targetos == 'windows' and (sdl.found() or gtk.found())
3814 'name': 'qemu-system-' + target_name + 'w',
3815 'win_subsystem': 'windows',
3816 'sources': files('softmmu/main.c'),
3820 if get_option('fuzzing')
3821 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3823 'name': 'qemu-fuzz-' + target_name,
3824 'win_subsystem': 'console',
3825 'sources': specific_fuzz.sources(),
3826 'dependencies': specific_fuzz.dependencies(),
3831 'name': 'qemu-' + target_name,
3832 'win_subsystem': 'console',
3838 exe_name = exe['name']
3839 if targetos == 'darwin'
3840 exe_name += '-unsigned'
3843 emulator = executable(exe_name, exe['sources'],
3846 dependencies: arch_deps + deps + exe['dependencies'],
3847 objects: lib.extract_all_objects(recursive: true),
3848 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3849 link_args: link_args,
3850 win_subsystem: exe['win_subsystem'])
3852 if targetos == 'darwin'
3853 icon = 'pc-bios/qemu.rsrc'
3854 build_input = [emulator, files(icon)]
3856 get_option('bindir') / exe_name,
3857 meson.current_source_dir() / icon
3859 if 'CONFIG_HVF' in config_target
3860 entitlements = 'accel/hvf/entitlements.plist'
3861 build_input += files(entitlements)
3862 install_input += meson.current_source_dir() / entitlements
3865 emulators += {exe['name'] : custom_target(exe['name'],
3867 output: exe['name'],
3868 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3871 meson.add_install_script(entitlement, '--install',
3872 get_option('bindir') / exe['name'],
3875 emulators += {exe['name']: emulator}
3880 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3881 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3882 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3883 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3885 custom_target(exe['name'] + stp['ext'],
3886 input: trace_events_all,
3887 output: exe['name'] + stp['ext'],
3888 install: stp['install'],
3889 install_dir: get_option('datadir') / 'systemtap/tapset',
3891 tracetool, '--group=all', '--format=' + stp['fmt'],
3892 '--binary=' + stp['bin'],
3893 '--target-name=' + target_name,
3894 '--target-type=' + target_type,
3895 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3896 '@INPUT@', '@OUTPUT@'
3898 depend_files: tracetool_depends)
3904 # Other build targets
3906 if get_option('plugins')
3907 install_headers('include/qemu/qemu-plugin.h')
3912 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3913 # when we don't build tools or system
3914 if xkbcommon.found()
3915 # used for the update-keymaps target, so include rules even if !have_tools
3916 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3917 dependencies: [qemuutil, xkbcommon], install: have_tools)
3921 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3922 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3923 qemu_io = executable('qemu-io', files('qemu-io.c'),
3924 dependencies: [block, qemuutil], install: true)
3925 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3926 dependencies: [blockdev, qemuutil, gnutls, selinux],
3929 subdir('storage-daemon')
3930 subdir('contrib/rdmacm-mux')
3931 subdir('contrib/elf2dmp')
3933 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3934 dependencies: qemuutil,
3938 subdir('contrib/vhost-user-blk')
3939 subdir('contrib/vhost-user-gpu')
3940 subdir('contrib/vhost-user-input')
3941 subdir('contrib/vhost-user-scsi')
3944 if targetos == 'linux'
3945 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3946 dependencies: [qemuutil, libcap_ng],
3948 install_dir: get_option('libexecdir'))
3950 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3951 dependencies: [authz, crypto, io, qom, qemuutil,
3952 libcap_ng, mpathpersist],
3957 subdir('contrib/ivshmem-client')
3958 subdir('contrib/ivshmem-server')
3971 if host_machine.system() == 'windows'
3973 find_program('scripts/nsis.py'),
3975 get_option('prefix'),
3976 meson.current_source_dir(),
3977 glib_pc.get_variable('bindir'),
3980 '-DDISPLAYVERSION=' + meson.project_version(),
3983 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3986 nsis_cmd += '-DCONFIG_GTK=y'
3989 nsis = custom_target('nsis',
3990 output: 'qemu-setup-' + meson.project_version() + '.exe',
3991 input: files('qemu.nsi'),
3992 build_always_stale: true,
3993 command: nsis_cmd + ['@INPUT@'])
3994 alias_target('installer', nsis)
3997 #########################
3998 # Configuration summary #
3999 #########################
4003 summary_info += {'Build directory': meson.current_build_dir()}
4004 summary_info += {'Source path': meson.current_source_dir()}
4005 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4006 summary(summary_info, bool_yn: true, section: 'Build environment')
4009 summary_info += {'Install prefix': get_option('prefix')}
4010 summary_info += {'BIOS directory': qemu_datadir}
4011 pathsep = targetos == 'windows' ? ';' : ':'
4012 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4013 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4014 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4015 summary_info += {'module directory': qemu_moddir}
4016 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4017 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4018 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4019 if targetos != 'windows'
4020 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4021 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4023 summary_info += {'local state directory': 'queried at runtime'}
4025 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4026 summary(summary_info, bool_yn: true, section: 'Directories')
4030 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4031 summary_info += {'sphinx-build': sphinx_build}
4032 if config_host.has_key('HAVE_GDB_BIN')
4033 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
4035 summary_info += {'iasl': iasl}
4036 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4037 if targetos == 'windows' and have_ga
4038 summary_info += {'wixl': wixl}
4040 if slirp.found() and have_system
4041 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4043 summary(summary_info, bool_yn: true, section: 'Host binaries')
4045 # Configurable features
4047 summary_info += {'Documentation': build_docs}
4048 summary_info += {'system-mode emulation': have_system}
4049 summary_info += {'user-mode emulation': have_user}
4050 summary_info += {'block layer': have_block}
4051 summary_info += {'Install blobs': get_option('install_blobs')}
4052 summary_info += {'module support': enable_modules}
4054 summary_info += {'alternative module path': get_option('module_upgrades')}
4056 summary_info += {'fuzzing support': get_option('fuzzing')}
4058 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4060 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4061 if 'simple' in get_option('trace_backends')
4062 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4064 summary_info += {'D-Bus display': dbus_display}
4065 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4066 summary_info += {'vhost-kernel support': have_vhost_kernel}
4067 summary_info += {'vhost-net support': have_vhost_net}
4068 summary_info += {'vhost-user support': have_vhost_user}
4069 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4070 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4071 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4072 summary_info += {'build guest agent': have_ga}
4073 summary(summary_info, bool_yn: true, section: 'Configurable features')
4075 # Compilation information
4077 summary_info += {'host CPU': cpu}
4078 summary_info += {'host endianness': build_machine.endian()}
4079 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4080 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4081 if 'cpp' in all_languages
4082 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4084 summary_info += {'C++ compiler': false}
4086 if targetos == 'darwin'
4087 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4089 option_cflags = (get_option('debug') ? ['-g'] : [])
4090 if get_option('optimization') != 'plain'
4091 option_cflags += ['-O' + get_option('optimization')]
4093 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4094 if 'cpp' in all_languages
4095 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4097 if targetos == 'darwin'
4098 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4100 link_args = get_option('c_link_args')
4101 if link_args.length() > 0
4102 summary_info += {'LDFLAGS': ' '.join(link_args)}
4104 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4105 if 'cpp' in all_languages
4106 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4108 if 'objc' in all_languages
4109 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4111 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4112 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4113 summary_info += {'PIE': get_option('b_pie')}
4114 summary_info += {'static build': get_option('prefer_static')}
4115 summary_info += {'malloc trim support': has_malloc_trim}
4116 summary_info += {'membarrier': have_membarrier}
4117 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4118 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4119 summary_info += {'mutex debugging': get_option('debug_mutex')}
4120 summary_info += {'memory allocator': get_option('malloc')}
4121 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4122 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4123 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4124 if get_option('gprof')
4125 gprof_info = 'YES (deprecated)'
4127 gprof_info = get_option('gprof')
4129 summary_info += {'gprof': gprof_info}
4130 summary_info += {'gcov': get_option('b_coverage')}
4131 summary_info += {'thread sanitizer': get_option('tsan')}
4132 summary_info += {'CFI support': get_option('cfi')}
4133 if get_option('cfi')
4134 summary_info += {'CFI debug support': get_option('cfi_debug')}
4136 summary_info += {'strip binaries': get_option('strip')}
4137 summary_info += {'sparse': sparse}
4138 summary_info += {'mingw32 support': targetos == 'windows'}
4139 summary(summary_info, bool_yn: true, section: 'Compilation')
4141 # snarf the cross-compilation information for tests
4144 foreach target: target_dirs
4145 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4146 if fs.exists(tcg_mak)
4147 config_cross_tcg = keyval.load(tcg_mak)
4148 if 'CC' in config_cross_tcg
4149 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4155 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4158 # Targets and accelerators
4161 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
4162 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
4163 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
4164 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
4165 summary_info += {'Xen support': xen.found()}
4167 summary_info += {'xen ctrl version': xen.version()}
4169 summary_info += {'Xen emulation': config_all.has_key('CONFIG_XEN_EMU')}
4171 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
4172 if config_all.has_key('CONFIG_TCG')
4173 if get_option('tcg_interpreter')
4174 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4176 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4178 summary_info += {'TCG plugins': get_option('plugins')}
4179 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4181 summary_info += {'target list': ' '.join(target_dirs)}
4183 summary_info += {'default devices': get_option('default_devices')}
4184 summary_info += {'out of process emulation': multiprocess_allowed}
4185 summary_info += {'vfio-user server': vfio_user_server_allowed}
4187 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4191 summary_info += {'coroutine backend': coroutine_backend}
4192 summary_info += {'coroutine pool': have_coroutine_pool}
4194 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4195 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4196 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4197 summary_info += {'VirtFS (9P) support': have_virtfs}
4198 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4199 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4200 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4201 summary_info += {'bochs support': get_option('bochs').allowed()}
4202 summary_info += {'cloop support': get_option('cloop').allowed()}
4203 summary_info += {'dmg support': get_option('dmg').allowed()}
4204 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4205 summary_info += {'vdi support': get_option('vdi').allowed()}
4206 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4207 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4208 summary_info += {'vpc support': get_option('vpc').allowed()}
4209 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4210 summary_info += {'qed support': get_option('qed').allowed()}
4211 summary_info += {'parallels support': get_option('parallels').allowed()}
4212 summary_info += {'FUSE exports': fuse}
4213 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4215 summary(summary_info, bool_yn: true, section: 'Block layer support')
4219 summary_info += {'TLS priority': get_option('tls_priority')}
4220 summary_info += {'GNUTLS support': gnutls}
4222 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4224 summary_info += {'libgcrypt': gcrypt}
4225 summary_info += {'nettle': nettle}
4227 summary_info += {' XTS': xts != 'private'}
4229 summary_info += {'AF_ALG support': have_afalg}
4230 summary_info += {'rng-none': get_option('rng_none')}
4231 summary_info += {'Linux keyring': have_keyring}
4232 summary(summary_info, bool_yn: true, section: 'Crypto')
4236 if targetos == 'darwin'
4237 summary_info += {'Cocoa support': cocoa}
4239 summary_info += {'SDL support': sdl}
4240 summary_info += {'SDL image support': sdl_image}
4241 summary_info += {'GTK support': gtk}
4242 summary_info += {'pixman': pixman}
4243 summary_info += {'VTE support': vte}
4244 summary_info += {'PNG support': png}
4245 summary_info += {'VNC support': vnc}
4247 summary_info += {'VNC SASL support': sasl}
4248 summary_info += {'VNC JPEG support': jpeg}
4250 summary_info += {'spice protocol support': spice_protocol}
4251 if spice_protocol.found()
4252 summary_info += {' spice server support': spice}
4254 summary_info += {'curses support': curses}
4255 summary_info += {'brlapi support': brlapi}
4256 summary(summary_info, bool_yn: true, section: 'User interface')
4260 if targetos not in ['darwin', 'haiku', 'windows']
4261 summary_info += {'OSS support': oss}
4262 summary_info += {'sndio support': sndio}
4263 elif targetos == 'darwin'
4264 summary_info += {'CoreAudio support': coreaudio}
4265 elif targetos == 'windows'
4266 summary_info += {'DirectSound support': dsound}
4268 if targetos == 'linux'
4269 summary_info += {'ALSA support': alsa}
4270 summary_info += {'PulseAudio support': pulse}
4272 summary_info += {'PipeWire support': pipewire}
4273 summary_info += {'JACK support': jack}
4274 summary(summary_info, bool_yn: true, section: 'Audio backends')
4278 if targetos == 'darwin'
4279 summary_info += {'vmnet.framework support': vmnet}
4281 summary_info += {'AF_XDP support': libxdp}
4282 summary_info += {'slirp support': slirp}
4283 summary_info += {'vde support': vde}
4284 summary_info += {'netmap support': have_netmap}
4285 summary_info += {'l2tpv3 support': have_l2tpv3}
4286 summary(summary_info, bool_yn: true, section: 'Network backends')
4290 summary_info += {'libtasn1': tasn1}
4291 summary_info += {'PAM': pam}
4292 summary_info += {'iconv support': iconv}
4293 summary_info += {'virgl support': virgl}
4294 summary_info += {'blkio support': blkio}
4295 summary_info += {'curl support': curl}
4296 summary_info += {'Multipath support': mpathpersist}
4297 summary_info += {'Linux AIO support': libaio}
4298 summary_info += {'Linux io_uring support': linux_io_uring}
4299 summary_info += {'ATTR/XATTR support': libattr}
4300 summary_info += {'RDMA support': rdma}
4301 summary_info += {'PVRDMA support': have_pvrdma}
4302 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4303 summary_info += {'libcap-ng support': libcap_ng}
4304 summary_info += {'bpf support': libbpf}
4305 summary_info += {'rbd support': rbd}
4306 summary_info += {'smartcard support': cacard}
4307 summary_info += {'U2F support': u2f}
4308 summary_info += {'libusb': libusb}
4309 summary_info += {'usb net redir': usbredir}
4310 summary_info += {'OpenGL support (epoxy)': opengl}
4311 summary_info += {'GBM': gbm}
4312 summary_info += {'libiscsi support': libiscsi}
4313 summary_info += {'libnfs support': libnfs}
4314 if targetos == 'windows'
4316 summary_info += {'QGA VSS support': have_qga_vss}
4319 summary_info += {'seccomp support': seccomp}
4320 summary_info += {'GlusterFS support': glusterfs}
4321 summary_info += {'TPM support': have_tpm}
4322 summary_info += {'libssh support': libssh}
4323 summary_info += {'lzo support': lzo}
4324 summary_info += {'snappy support': snappy}
4325 summary_info += {'bzip2 support': libbzip2}
4326 summary_info += {'lzfse support': liblzfse}
4327 summary_info += {'zstd support': zstd}
4328 summary_info += {'NUMA host support': numa}
4329 summary_info += {'capstone': capstone}
4330 summary_info += {'libpmem support': libpmem}
4331 summary_info += {'libdaxctl support': libdaxctl}
4332 summary_info += {'libudev': libudev}
4333 # Dummy dependency, keep .found()
4334 summary_info += {'FUSE lseek': fuse_lseek.found()}
4335 summary_info += {'selinux': selinux}
4336 summary_info += {'libdw': libdw}
4337 summary(summary_info, bool_yn: true, section: 'Dependencies')
4339 if host_arch == 'unknown'
4341 warning('UNSUPPORTED HOST CPU')
4343 message('Support for CPU host architecture ' + cpu + ' is not currently')
4344 message('maintained. The QEMU project does not guarantee that QEMU will')
4345 message('compile or work on this host CPU. You can help by volunteering')
4346 message('to maintain it and providing a build host for our continuous')
4347 message('integration setup.')
4348 if get_option('tcg').allowed() and target_dirs.length() > 0
4350 message('configure has succeeded and you can continue to build, but')
4351 message('QEMU will use a slow interpreter to emulate the target CPU.')
4355 if not supported_oses.contains(targetos)
4357 warning('UNSUPPORTED HOST OS')
4359 message('Support for host OS ' + targetos + 'is not currently maintained.')
4360 message('configure has succeeded and you can continue to build, but')
4361 message('the QEMU project does not guarantee that QEMU will compile or')
4362 message('work on this operating system. You can help by volunteering')
4363 message('to maintain it and providing a build host for our continuous')
4364 message('integration setup. This will ensure that future versions of QEMU')
4365 message('will keep working on ' + targetos + '.')
4368 if host_arch == 'unknown' or not supported_oses.contains(targetos)
4370 message('If you want to help supporting QEMU on this platform, please')
4371 message('contact the developers at qemu-devel@nongnu.org.')