1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=2', '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'))
16 not_found = dependency('', required: false)
17 keyval = import('keyval')
18 ss = import('sourceset')
21 host_os = host_machine.system()
22 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
31 if get_option('qemu_suffix').startswith('/')
32 error('qemu_suffix cannot start with a /')
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
44 qapi_trace_events = []
46 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
47 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
48 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
49 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
51 cpu = host_machine.cpu_family()
53 target_dirs = config_host['TARGET_DIRS'].split()
59 sh = find_program('sh')
60 python = import('python').find_installation()
62 cc = meson.get_compiler('c')
64 if host_os == 'windows' and add_languages('cpp', required: false, native: false)
65 all_languages += ['cpp']
66 cxx = meson.get_compiler('cpp')
68 if host_os == 'darwin' and \
69 add_languages('objc', required: true, native: false)
70 all_languages += ['objc']
71 objc = meson.get_compiler('objc')
76 if 'dtrace' in get_option('trace_backends')
77 dtrace = find_program('dtrace', required: true)
78 stap = find_program('stap', required: false)
80 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
81 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
82 # instead. QEMU --enable-modules depends on this because the SystemTap
83 # semaphores are linked into the main binary and not the module's shared
85 add_global_arguments('-DSTAP_SDT_V2',
86 native: false, language: all_languages)
90 if get_option('iasl') == ''
91 iasl = find_program('iasl', required: false)
93 iasl = find_program(get_option('iasl'), required: true)
96 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
97 unpack_edk2_blobs = false
98 foreach target : edk2_targets
99 if target in target_dirs
100 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
101 unpack_edk2_blobs = bzip2.found()
106 #####################
107 # Option validation #
108 #####################
111 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
114 #include <sys/types.h>
115 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
116 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
118 args: ['-Werror', '-fsanitize=fuzzer'])
119 error('Your compiler does not support -fsanitize=fuzzer')
123 if 'ftrace' in get_option('trace_backends') and host_os != 'linux'
124 error('ftrace is supported only on Linux')
126 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
129 openlog("qemu", LOG_PID, LOG_DAEMON);
130 syslog(LOG_INFO, "configure");
133 error('syslog is not supported on this system')
136 # Miscellaneous Linux-only features
137 get_option('mpath') \
138 .require(host_os == 'linux', error_message: 'Multipath is supported only on Linux')
140 multiprocess_allowed = get_option('multiprocess') \
141 .require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
144 vfio_user_server_allowed = get_option('vfio_user_server') \
145 .require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \
148 have_tpm = get_option('tpm') \
149 .require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
153 have_vhost_user = get_option('vhost_user') \
154 .disable_auto_if(host_os != 'linux') \
155 .require(host_os != 'windows',
156 error_message: 'vhost-user is not available on Windows').allowed()
157 have_vhost_vdpa = get_option('vhost_vdpa') \
158 .require(host_os == 'linux',
159 error_message: 'vhost-vdpa is only available on Linux').allowed()
160 have_vhost_kernel = get_option('vhost_kernel') \
161 .require(host_os == 'linux',
162 error_message: 'vhost-kernel is only available on Linux').allowed()
163 have_vhost_user_crypto = get_option('vhost_crypto') \
164 .require(have_vhost_user,
165 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
167 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
169 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
170 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
171 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
172 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
174 # type of binaries to build
175 have_linux_user = false
176 have_bsd_user = false
178 foreach target : target_dirs
179 have_linux_user = have_linux_user or target.endswith('linux-user')
180 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
181 have_system = have_system or target.endswith('-softmmu')
183 have_user = have_linux_user or have_bsd_user
185 have_tools = get_option('tools') \
186 .disable_auto_if(not have_system) \
188 have_ga = get_option('guest_agent') \
189 .disable_auto_if(not have_system and not have_tools) \
190 .require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
191 error_message: 'unsupported OS for QEMU guest agent') \
193 have_block = have_system or have_tools
195 enable_modules = get_option('modules') \
196 .require(host_os != 'windows',
197 error_message: 'Modules are not available for Windows') \
198 .require(not get_option('prefer_static'),
199 error_message: 'Modules are incompatible with static linking') \
202 #######################################
203 # Variables for host and accelerators #
204 #######################################
206 if cpu not in supported_cpus
207 host_arch = 'unknown'
212 elif cpu in ['riscv32', 'riscv64']
218 if cpu in ['x86', 'x86_64']
219 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
220 elif cpu == 'aarch64'
221 kvm_targets = ['aarch64-softmmu']
223 kvm_targets = ['s390x-softmmu']
224 elif cpu in ['ppc', 'ppc64']
225 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
226 elif cpu in ['mips', 'mips64']
227 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
228 elif cpu in ['riscv32']
229 kvm_targets = ['riscv32-softmmu']
230 elif cpu in ['riscv64']
231 kvm_targets = ['riscv64-softmmu']
232 elif cpu in ['loongarch64']
233 kvm_targets = ['loongarch64-softmmu']
237 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
239 if cpu in ['x86', 'x86_64']
240 xen_targets = ['i386-softmmu', 'x86_64-softmmu']
241 elif cpu in ['arm', 'aarch64']
242 # i386 emulator provides xenpv machine type for multiple architectures
243 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
247 accelerator_targets += { 'CONFIG_XEN': xen_targets }
249 if cpu in ['aarch64']
250 accelerator_targets += {
251 'CONFIG_HVF': ['aarch64-softmmu']
255 if cpu in ['x86', 'x86_64']
256 accelerator_targets += {
257 'CONFIG_HVF': ['x86_64-softmmu'],
258 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
259 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
264 # Darwin does not support references to thread-local variables in modules
265 if host_os != 'darwin'
266 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
273 foreach lang : all_languages
274 compiler = meson.get_compiler(lang)
275 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
277 elif compiler.get_id() == 'clang' and compiler.compiles('''
278 #ifdef __apple_build_version__
279 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
280 # error You need at least XCode Clang v12.0 to compile QEMU
283 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
284 # error You need at least Clang v10.0 to compile QEMU
289 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
293 # default flags for all hosts
294 # We use -fwrapv to tell the compiler that we require a C dialect where
295 # left shift of signed integers is well defined and has the expected
296 # 2s-complement style results. (Both clang and gcc agree that it
297 # provides these semantics.)
299 qemu_common_flags = [
300 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
301 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
305 if host_os == 'darwin'
306 # Disable attempts to use ObjectiveC features in os/object.h since they
307 # won't work when we're compiling with gcc as a C compiler.
308 if compiler.get_id() == 'gcc'
309 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
311 elif host_os == 'sunos'
312 # needed for CMSG_ macros in sys/socket.h
313 qemu_common_flags += '-D_XOPEN_SOURCE=600'
314 # needed for TIOCWIN* defines in termios.h
315 qemu_common_flags += '-D__EXTENSIONS__'
316 elif host_os == 'haiku'
317 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
320 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
321 # use i686 as default anyway, but for those that don't, an explicit
322 # specification is necessary
323 if host_arch == 'i386' and not cc.links('''
324 static int sfaa(int *ptr)
326 return __sync_fetch_and_and(ptr, 0);
332 val = __sync_val_compare_and_swap(&val, 0, 1);
336 qemu_common_flags = ['-march=i486'] + qemu_common_flags
339 if get_option('prefer_static')
340 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
343 # Meson currently only handles pie as a boolean for now, so if the user
344 # has explicitly disabled PIE we need to extend our cflags.
346 # -no-pie is supposedly a linker flag that has no effect on the compiler
347 # command line, but some distros, that didn't quite know what they were
348 # doing, made local changes to gcc's specs file that turned it into
349 # a compiler command-line flag.
351 # What about linker flags? For a static build, no PIE is implied by -static
352 # which we added above (and if it's not because of the same specs patching,
353 # there's nothing we can do: compilation will fail, report a bug to your
354 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
355 # instead, we can't add -no-pie because it overrides -shared: the linker then
356 # tries to build an executable instead of a shared library and fails. So
357 # don't add -no-pie anywhere and cross fingers. :(
358 if not get_option('b_pie')
359 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
362 if not get_option('stack_protector').disabled()
363 stack_protector_probe = '''
364 int main(int argc, char *argv[])
366 char arr[64], *p = arr, *c = argv[argc - 1];
372 have_stack_protector = false
373 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
374 # We need to check both a compile and a link, since some compiler
375 # setups fail only on a .c->.o compile and some only at link time
376 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
377 cc.links(stack_protector_probe, args: ['-Werror', arg])
378 have_stack_protector = true
384 get_option('stack_protector') \
385 .require(have_stack_protector, error_message: 'Stack protector not supported')
388 coroutine_backend = get_option('coroutine_backend')
390 #include <ucontext.h>
391 #ifdef __stub_makecontext
392 #error Ignoring glibc stub makecontext which will always fail
394 int main(void) { makecontext(0, 0, 0); return 0; }'''
396 # On Windows the only valid backend is the Windows specific one.
397 # For POSIX prefer ucontext, but it's not always possible. The fallback
399 supported_backends = []
400 if host_os == 'windows'
401 supported_backends += ['windows']
403 if host_os != 'darwin' and cc.links(ucontext_probe)
404 supported_backends += ['ucontext']
406 supported_backends += ['sigaltstack']
409 if coroutine_backend == 'auto'
410 coroutine_backend = supported_backends[0]
411 elif coroutine_backend not in supported_backends
412 error('"@0@" backend requested but not available. Available backends: @1@' \
413 .format(coroutine_backend, ', '.join(supported_backends)))
416 # Compiles if SafeStack *not* enabled
417 safe_stack_probe = '''
420 #if defined(__has_feature)
421 #if __has_feature(safe_stack)
422 #error SafeStack Enabled
427 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
428 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
429 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
430 error(get_option('safe_stack') \
431 ? 'SafeStack not supported by your compiler' \
432 : 'Cannot disable SafeStack')
434 qemu_cflags += safe_stack_arg
435 qemu_ldflags += safe_stack_arg
437 if get_option('safe_stack') and coroutine_backend != 'ucontext'
438 error('SafeStack is only supported with the ucontext coroutine backend')
441 if get_option('sanitizers')
442 if cc.has_argument('-fsanitize=address')
443 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
444 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
447 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
448 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
449 args: [qemu_ldflags, '-fsanitize=undefined'])
450 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
451 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
455 # Thread sanitizer is, for now, much noisier than the other sanitizers;
456 # keep it separate until that is not the case.
457 if get_option('tsan')
458 if get_option('sanitizers')
459 error('TSAN is not supported with other sanitizers')
461 if not cc.has_function('__tsan_create_fiber',
462 args: '-fsanitize=thread',
463 prefix: '#include <sanitizer/tsan_interface.h>')
464 error('Cannot enable TSAN due to missing fiber annotation interface')
466 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
467 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
470 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
471 # The combination is known as "full relro", because .got.plt is read-only too.
472 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
474 if host_os == 'windows'
475 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
476 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
479 if get_option('fuzzing')
480 # Specify a filter to only instrument code that is directly related to
482 configure_file(output: 'instrumentation-filter',
483 input: 'scripts/oss-fuzz/instrumentation-filter-template',
486 if cc.compiles('int main () { return 0; }',
487 name: '-fsanitize-coverage-allowlist=/dev/null',
488 args: ['-fsanitize-coverage-allowlist=/dev/null',
489 '-fsanitize-coverage=trace-pc'] )
490 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
493 if get_option('fuzzing_engine') == ''
494 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
495 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
496 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
497 # unable to bind the fuzzer-related callbacks added by instrumentation.
498 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
499 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
500 # For the actual fuzzer binaries, we need to link against the libfuzzer
501 # library. They need to be configurable, to support OSS-Fuzz
502 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
504 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
505 # the needed CFLAGS have already been provided
506 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
512 # Check for dependency on LTO
513 if not get_option('b_lto')
514 error('Selected Control-Flow Integrity but LTO is disabled')
517 error('Selected Control-Flow Integrity is not compatible with modules')
519 # Check for cfi flags. CFI requires LTO so we can't use
520 # get_supported_arguments, but need a more complex "compiles" which allows
522 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
523 args: ['-flto', '-fsanitize=cfi-icall'] )
524 cfi_flags += '-fsanitize=cfi-icall'
526 error('-fsanitize=cfi-icall is not supported by the compiler')
528 if cc.compiles('int main () { return 0; }',
529 name: '-fsanitize-cfi-icall-generalize-pointers',
530 args: ['-flto', '-fsanitize=cfi-icall',
531 '-fsanitize-cfi-icall-generalize-pointers'] )
532 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
534 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
536 if get_option('cfi_debug')
537 if cc.compiles('int main () { return 0; }',
538 name: '-fno-sanitize-trap=cfi-icall',
539 args: ['-flto', '-fsanitize=cfi-icall',
540 '-fno-sanitize-trap=cfi-icall'] )
541 cfi_flags += '-fno-sanitize-trap=cfi-icall'
543 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
546 add_global_arguments(cfi_flags, native: false, language: all_languages)
547 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
550 # Check further flags that make QEMU more robust against malicious parties
553 # Initialize all stack variables to zero. This makes
554 # it harder to take advantage of uninitialized stack
555 # data to drive exploits
556 '-ftrivial-auto-var-init=zero',
559 # Zero out registers used during a function call
560 # upon its return. This makes it harder to assemble
561 # ROP gadgets into something usable
563 # NB: Clang 17 is broken and SEGVs
564 # https://github.com/llvm/llvm-project/issues/75168
565 if cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
566 name: '-fzero-call-used-regs=used-gpr',
567 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
568 hardening_flags += '-fzero-call-used-regs=used-gpr'
571 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
573 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
574 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
576 # Collect warning flags we want to set, sorted alphabetically
578 # First enable interesting warnings
581 '-Wexpansion-to-defined',
584 '-Wignored-qualifiers',
585 '-Wimplicit-fallthrough=2',
587 '-Wmissing-format-attribute',
588 '-Wmissing-prototypes',
590 '-Wold-style-declaration',
591 '-Wold-style-definition',
594 '-Wstrict-prototypes',
600 # Then disable some undesirable warnings
601 '-Wno-gnu-variable-sized-type-not-at-end',
602 '-Wno-initializer-overrides',
603 '-Wno-missing-field-initializers',
604 '-Wno-missing-include-dirs',
605 '-Wno-override-init',
607 '-Wno-shift-negative-value',
609 '-Wno-string-plus-int',
610 '-Wno-tautological-type-limit-compare',
611 '-Wno-unused-parameter',
612 '-Wno-gnu-variable-sized-type-not-at-end',
613 '-Wno-error=cast-function-type',
615 '-Wno-error=format-extra-args',
616 '-Wno-error=implicit-fallthrough',
617 '-Wno-error=parentheses',
619 '-Wno-typedef-redefinition',
622 if host_os != 'darwin'
623 warn_flags += ['-Wthread-safety']
626 # Set up C++ compiler flags
628 if 'cpp' in all_languages
629 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
632 add_project_arguments(qemu_cflags, native: false, language: 'c')
633 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
634 if 'cpp' in all_languages
635 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
636 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
638 if 'objc' in all_languages
639 # Note sanitizer flags are not applied to Objective-C sources!
640 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
642 if host_os == 'linux'
643 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
644 '-isystem', 'linux-headers',
645 language: all_languages)
648 add_project_arguments('-iquote', '.',
649 '-iquote', meson.current_source_dir(),
650 '-iquote', meson.current_source_dir() / 'include',
651 language: all_languages)
653 # If a host-specific include directory exists, list that first...
654 host_include = meson.current_source_dir() / 'host/include/'
655 if fs.is_dir(host_include / host_arch)
656 add_project_arguments('-iquote', host_include / host_arch,
657 language: all_languages)
659 # ... followed by the generic fallback.
660 add_project_arguments('-iquote', host_include / 'generic',
661 language: all_languages)
663 sparse = find_program('cgcc', required: get_option('sparse'))
666 command: [find_program('scripts/check_sparse.py'),
667 'compile_commands.json', sparse.full_path(), '-Wbitwise',
668 '-Wno-transparent-union', '-Wno-old-initializer',
669 '-Wno-non-pointer-null'])
672 #####################################
673 # Host-specific libraries and flags #
674 #####################################
676 libm = cc.find_library('m', required: false)
677 threads = dependency('threads')
678 util = cc.find_library('util', required: false)
684 emulator_link_args = []
689 if host_os == 'windows'
690 midl = find_program('midl', required: false)
691 widl = find_program('widl', required: false)
692 pathcch = cc.find_library('pathcch')
693 socket = cc.find_library('ws2_32')
694 winmm = cc.find_library('winmm')
696 win = import('windows')
697 version_res = win.compile_resources('version.rc',
698 depend_files: files('pc-bios/qemu-nsis.ico'),
699 include_directories: include_directories('.'))
701 elif host_os == 'darwin'
702 coref = dependency('appleframeworks', modules: 'CoreFoundation')
703 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
704 host_dsosuf = '.dylib'
705 elif host_os == 'sunos'
706 socket = [cc.find_library('socket'),
707 cc.find_library('nsl'),
708 cc.find_library('resolv')]
709 elif host_os == 'haiku'
710 socket = [cc.find_library('posix_error_mapper'),
711 cc.find_library('network'),
712 cc.find_library('bsd')]
713 elif host_os == 'openbsd'
714 if get_option('tcg').allowed() and target_dirs.length() > 0
715 # Disable OpenBSD W^X if available
716 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
720 ###############################################
721 # Host-specific configuration of accelerators #
722 ###############################################
725 if get_option('kvm').allowed() and host_os == 'linux'
726 accelerators += 'CONFIG_KVM'
728 if get_option('whpx').allowed() and host_os == 'windows'
729 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
730 error('WHPX requires 64-bit host')
731 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
732 cc.has_header('winhvemulation.h', required: get_option('whpx'))
733 accelerators += 'CONFIG_WHPX'
738 if get_option('hvf').allowed()
739 hvf = dependency('appleframeworks', modules: 'Hypervisor',
740 required: get_option('hvf'))
742 accelerators += 'CONFIG_HVF'
747 if host_os == 'netbsd'
748 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
750 accelerators += 'CONFIG_NVMM'
755 if get_option('tcg').allowed()
756 if host_arch == 'unknown'
757 if not get_option('tcg_interpreter')
758 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
760 elif get_option('tcg_interpreter')
761 warning('Use of the TCG interpreter is not recommended on this host')
762 warning('architecture. There is a native TCG execution backend available')
763 warning('which provides substantially better performance and reliability.')
764 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
765 warning('configuration option on this architecture to use the native')
768 if get_option('tcg_interpreter')
770 elif host_arch == 'x86_64'
772 elif host_arch == 'ppc64'
775 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
776 language: all_languages)
778 accelerators += 'CONFIG_TCG'
781 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
782 error('KVM not available on this platform')
784 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
785 error('HVF not available on this platform')
787 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
788 error('NVMM not available on this platform')
790 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
791 error('WHPX not available on this platform')
795 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
796 xencontrol = dependency('xencontrol', required: false,
797 method: 'pkg-config')
798 if xencontrol.found()
799 xen_pc = declare_dependency(version: xencontrol.version(),
802 # disabler: true makes xen_pc.found() return false if any is not found
803 dependency('xenstore', required: false,
804 method: 'pkg-config',
806 dependency('xenforeignmemory', required: false,
807 method: 'pkg-config',
809 dependency('xengnttab', required: false,
810 method: 'pkg-config',
812 dependency('xenevtchn', required: false,
813 method: 'pkg-config',
815 dependency('xendevicemodel', required: false,
816 method: 'pkg-config',
818 # optional, no "disabler: true"
819 dependency('xentoolcore', required: false,
820 method: 'pkg-config')])
826 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
828 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
829 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
830 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
831 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
832 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
835 foreach ver: xen_tests
836 # cache the various library tests to avoid polluting the logs
838 foreach l: xen_libs[ver]
840 xen_deps += { l: cc.find_library(l, required: false) }
842 xen_test_deps += xen_deps[l]
845 # Use -D to pick just one of the test programs in scripts/xen-detect.c
846 xen_version = ver.split('.')
847 xen_ctrl_version = xen_version[0] + \
848 ('0' + xen_version[1]).substring(-2) + \
849 ('0' + xen_version[2]).substring(-2)
850 if cc.links(files('scripts/xen-detect.c'),
851 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
852 dependencies: xen_test_deps)
853 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
859 accelerators += 'CONFIG_XEN'
860 elif get_option('xen').enabled()
861 error('could not compile and link Xen test program')
864 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
865 .require(xen.found(),
866 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
867 .require(host_os == 'linux',
868 error_message: 'Xen PCI passthrough not available on this platform') \
869 .require(cpu == 'x86' or cpu == 'x86_64',
870 error_message: 'Xen PCI passthrough not available on this platform') \
877 # When bumping glib minimum version, please check also whether to increase
878 # the _WIN32_WINNT setting in osdep.h according to the value from glib
879 glib_req_ver = '>=2.56.0'
880 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
881 method: 'pkg-config')
884 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
885 method: 'pkg-config')
886 elif get_option('plugins')
887 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
888 method: 'pkg-config')
893 # This workaround is required due to a bug in pkg-config file for glib as it
894 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
895 if host_os == 'windows' and get_option('prefer_static')
896 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
899 # Sanity check that the current size_t matches the
900 # size that glib thinks it should be. This catches
901 # problems on multi-arch where people try to build
902 # 32-bit QEMU while pointing at 64-bit glib headers
904 if not cc.compiles('''
908 #define QEMU_BUILD_BUG_ON(x) \
909 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
912 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
914 }''', dependencies: glib_pc, args: glib_cflags)
915 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
916 You probably need to set PKG_CONFIG_LIBDIR" to point
917 to the right pkg-config files for your build target.''')
920 # Silence clang warnings triggered by glib < 2.57.2
921 if not cc.compiles('''
926 static void foo_free(Foo *f)
930 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
931 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
932 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
934 glib = declare_dependency(dependencies: [glib_pc, gmodule],
935 compile_args: glib_cflags,
936 version: glib_pc.version())
938 # Check whether glib has gslice, which we have to avoid for correctness.
939 # TODO: remove this check and the corresponding workaround (qtree) when
940 # the minimum supported glib is >= 2.75.3
941 glib_has_gslice = glib.version().version_compare('<2.75.3')
943 # override glib dep to include the above refinements
944 meson.override_dependency('glib-2.0', glib)
946 # The path to glib.h is added to all compilation commands.
947 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
948 native: false, language: all_languages)
951 gdbus_codegen = not_found
952 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
953 if not get_option('gio').auto() or have_system
954 gio = dependency('gio-2.0', required: get_option('gio'),
955 method: 'pkg-config')
956 if gio.found() and not cc.links('''
960 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
962 }''', dependencies: [glib, gio])
963 if get_option('gio').enabled()
964 error('The installed libgio is broken for static linking')
969 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
970 required: get_option('gio'))
971 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
972 method: 'pkg-config')
973 gio = declare_dependency(dependencies: [gio, gio_unix],
974 version: gio.version())
977 if gdbus_codegen.found() and get_option('cfi')
978 gdbus_codegen = not_found
979 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
982 xml_pp = find_program('scripts/xml-preprocess.py')
985 if 'ust' in get_option('trace_backends')
986 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
987 method: 'pkg-config')
990 if not get_option('pixman').auto() or have_system or have_tools
991 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
992 method: 'pkg-config')
995 zlib = dependency('zlib', required: true)
998 if not get_option('linux_aio').auto() or have_block
999 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
1000 required: get_option('linux_aio'))
1003 linux_io_uring_test = '''
1004 #include <liburing.h>
1005 #include <linux/errqueue.h>
1007 int main(void) { return 0; }'''
1009 linux_io_uring = not_found
1010 if not get_option('linux_io_uring').auto() or have_block
1011 linux_io_uring = dependency('liburing', version: '>=0.3',
1012 required: get_option('linux_io_uring'),
1013 method: 'pkg-config')
1014 if not cc.links(linux_io_uring_test)
1015 linux_io_uring = not_found
1020 if not get_option('libnfs').auto() or have_block
1021 libnfs = dependency('libnfs', version: '>=1.9.3',
1022 required: get_option('libnfs'),
1023 method: 'pkg-config')
1028 #include <sys/types.h>
1029 #ifdef CONFIG_LIBATTR
1030 #include <attr/xattr.h>
1032 #include <sys/xattr.h>
1034 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1037 have_old_libattr = false
1038 if get_option('attr').allowed()
1039 if cc.links(libattr_test)
1040 libattr = declare_dependency()
1042 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1043 required: get_option('attr'))
1044 if libattr.found() and not \
1045 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1047 if get_option('attr').enabled()
1048 error('could not link libattr')
1050 warning('could not link libattr, disabling')
1053 have_old_libattr = libattr.found()
1058 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1059 required: get_option('cocoa'))
1061 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1062 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1063 'VMNET_BRIDGED_MODE',
1064 dependencies: vmnet)
1066 if get_option('vmnet').enabled()
1067 error('vmnet.framework API is outdated')
1069 warning('vmnet.framework API is outdated, disabling')
1074 seccomp_has_sysrawrc = false
1075 if not get_option('seccomp').auto() or have_system or have_tools
1076 seccomp = dependency('libseccomp', version: '>=2.3.0',
1077 required: get_option('seccomp'),
1078 method: 'pkg-config')
1080 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1081 'SCMP_FLTATR_API_SYSRAWRC',
1082 dependencies: seccomp)
1086 libcap_ng = not_found
1087 if not get_option('cap_ng').auto() or have_system or have_tools
1088 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1089 required: get_option('cap_ng'))
1091 if libcap_ng.found() and not cc.links('''
1095 capng_capability_to_name(CAPNG_EFFECTIVE);
1097 }''', dependencies: libcap_ng)
1098 libcap_ng = not_found
1099 if get_option('cap_ng').enabled()
1100 error('could not link libcap-ng')
1102 warning('could not link libcap-ng, disabling')
1106 if get_option('xkbcommon').auto() and not have_system and not have_tools
1107 xkbcommon = not_found
1109 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1110 method: 'pkg-config')
1114 if not get_option('slirp').auto() or have_system
1115 slirp = dependency('slirp', required: get_option('slirp'),
1116 method: 'pkg-config')
1117 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1118 # it passes function pointers within libslirp as callbacks for timers.
1119 # When using a system-wide shared libslirp, the type information for the
1120 # callback is missing and the timer call produces a false positive with CFI.
1121 # Do not use the "version" keyword argument to produce a better error.
1122 # with control-flow integrity.
1123 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1124 if get_option('slirp').enabled()
1125 error('Control-Flow Integrity requires libslirp 4.7.')
1127 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1134 if not get_option('vde').auto() or have_system or have_tools
1135 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1136 required: get_option('vde'))
1138 if vde.found() and not cc.links('''
1139 #include <libvdeplug.h>
1142 struct vde_open_args a = {0, 0, 0};
1146 }''', dependencies: vde)
1148 if get_option('cap_ng').enabled()
1149 error('could not link libvdeplug')
1151 warning('could not link libvdeplug, disabling')
1156 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1157 pulse = dependency('libpulse', required: get_option('pa'),
1158 method: 'pkg-config')
1161 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1162 alsa = dependency('alsa', required: get_option('alsa'),
1163 method: 'pkg-config')
1166 if not get_option('jack').auto() or have_system
1167 jack = dependency('jack', required: get_option('jack'),
1168 method: 'pkg-config')
1170 pipewire = not_found
1171 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1172 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1173 required: get_option('pipewire'),
1174 method: 'pkg-config')
1177 if not get_option('sndio').auto() or have_system
1178 sndio = dependency('sndio', required: get_option('sndio'),
1179 method: 'pkg-config')
1182 spice_protocol = not_found
1183 if not get_option('spice_protocol').auto() or have_system
1184 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1185 required: get_option('spice_protocol'),
1186 method: 'pkg-config')
1189 if get_option('spice') \
1190 .disable_auto_if(not have_system) \
1191 .require(pixman.found(),
1192 error_message: 'cannot enable SPICE if pixman is not available') \
1194 spice = dependency('spice-server', version: '>=0.14.0',
1195 required: get_option('spice'),
1196 method: 'pkg-config')
1198 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1200 rt = cc.find_library('rt', required: false)
1202 libiscsi = not_found
1203 if not get_option('libiscsi').auto() or have_block
1204 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1205 required: get_option('libiscsi'),
1206 method: 'pkg-config')
1209 if not get_option('zstd').auto() or have_block
1210 zstd = dependency('libzstd', version: '>=1.4.0',
1211 required: get_option('zstd'),
1212 method: 'pkg-config')
1216 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1217 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1218 virgl = dependency('virglrenderer',
1219 method: 'pkg-config',
1220 required: get_option('virglrenderer'))
1222 rutabaga = not_found
1223 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1224 rutabaga = dependency('rutabaga_gfx_ffi',
1225 method: 'pkg-config',
1226 required: get_option('rutabaga_gfx'))
1229 if not get_option('blkio').auto() or have_block
1230 blkio = dependency('blkio',
1231 method: 'pkg-config',
1232 required: get_option('blkio'))
1235 if not get_option('curl').auto() or have_block
1236 curl = dependency('libcurl', version: '>=7.29.0',
1237 method: 'pkg-config',
1238 required: get_option('curl'))
1241 if host_os == 'linux' and (have_system or have_tools)
1242 libudev = dependency('libudev',
1243 method: 'pkg-config',
1244 required: get_option('libudev'))
1247 mpathlibs = [libudev]
1248 mpathpersist = not_found
1249 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1250 mpath_test_source = '''
1251 #include <libudev.h>
1252 #include <mpath_persist.h>
1253 unsigned mpath_mx_alloc_len = 1024;
1255 static struct config *multipath_conf;
1256 extern struct udev *udev;
1257 extern struct config *get_multipath_config(void);
1258 extern void put_multipath_config(struct config *conf);
1260 struct config *get_multipath_config(void) { return multipath_conf; }
1261 void put_multipath_config(struct config *conf) { }
1264 multipath_conf = mpath_lib_init();
1267 libmpathpersist = cc.find_library('mpathpersist',
1268 required: get_option('mpath'))
1269 if libmpathpersist.found()
1270 mpathlibs += libmpathpersist
1271 if get_option('prefer_static')
1272 mpathlibs += cc.find_library('devmapper',
1273 required: get_option('mpath'))
1275 mpathlibs += cc.find_library('multipath',
1276 required: get_option('mpath'))
1277 foreach lib: mpathlibs
1283 if mpathlibs.length() == 0
1284 msg = 'Dependencies missing for libmpathpersist'
1285 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1286 mpathpersist = declare_dependency(dependencies: mpathlibs)
1288 msg = 'Cannot detect libmpathpersist API'
1290 if not mpathpersist.found()
1291 if get_option('mpath').enabled()
1294 warning(msg + ', disabling')
1302 if have_system and get_option('curses').allowed()
1304 #if defined(__APPLE__) || defined(__OpenBSD__)
1305 #define _XOPEN_SOURCE_EXTENDED 1
1312 setlocale(LC_ALL, "");
1314 addwstr(L"wide chars\n");
1316 add_wch(WACS_DEGREE);
1320 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1321 curses = dependency(curses_dep_list,
1323 method: 'pkg-config')
1324 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1325 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1327 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1328 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1329 version: curses.version())
1331 msg = 'curses package not usable'
1335 if not curses.found()
1336 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1337 if host_os != 'windows' and not has_curses_h
1338 message('Trying with /usr/include/ncursesw')
1339 curses_compile_args += ['-I/usr/include/ncursesw']
1340 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1343 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1344 foreach curses_libname : curses_libname_list
1345 libcurses = cc.find_library(curses_libname,
1347 if libcurses.found()
1348 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1349 curses = declare_dependency(compile_args: curses_compile_args,
1350 dependencies: [libcurses])
1353 msg = 'curses library not usable'
1359 if get_option('iconv').allowed()
1360 foreach link_args : [ ['-liconv'], [] ]
1361 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1362 # We need to use libiconv if available because mixing libiconv's headers with
1363 # the system libc does not work.
1364 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1365 # included in the command line and libiconv will not be found.
1369 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1370 return conv != (iconv_t) -1;
1371 }''', args: link_args, dependencies: glib)
1372 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1377 if curses.found() and not iconv.found()
1378 if get_option('iconv').enabled()
1379 error('iconv not available')
1381 msg = 'iconv required for curses UI but not available'
1384 if not curses.found() and msg != ''
1385 if get_option('curses').enabled()
1388 warning(msg + ', disabling')
1394 if not get_option('brlapi').auto() or have_system
1395 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1396 required: get_option('brlapi'))
1397 if brlapi.found() and not cc.links('''
1400 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1402 if get_option('brlapi').enabled()
1403 error('could not link brlapi')
1405 warning('could not link brlapi, disabling')
1411 if not get_option('sdl').auto() or have_system
1412 sdl = dependency('sdl2', required: get_option('sdl'))
1413 sdl_image = not_found
1416 # Some versions of SDL have problems with -Wundef
1417 if not cc.compiles('''
1419 #include <SDL_syswm.h>
1420 int main(int argc, char *argv[]) { return 0; }
1421 ''', dependencies: sdl, args: '-Werror=undef')
1422 sdl = declare_dependency(compile_args: '-Wno-undef',
1424 version: sdl.version())
1426 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1427 method: 'pkg-config')
1429 if get_option('sdl_image').enabled()
1430 error('sdl-image required, but SDL was @0@'.format(
1431 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1433 sdl_image = not_found
1437 if not get_option('rbd').auto() or have_block
1438 librados = cc.find_library('rados', required: get_option('rbd'))
1439 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1440 required: get_option('rbd'))
1441 if librados.found() and librbd.found()
1444 #include <rbd/librbd.h>
1447 rados_create(&cluster, NULL);
1448 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1452 }''', dependencies: [librbd, librados])
1453 rbd = declare_dependency(dependencies: [librbd, librados])
1454 elif get_option('rbd').enabled()
1455 error('librbd >= 1.12.0 required')
1457 warning('librbd >= 1.12.0 not found, disabling')
1462 glusterfs = not_found
1463 glusterfs_ftruncate_has_stat = false
1464 glusterfs_iocb_has_stat = false
1465 if not get_option('glusterfs').auto() or have_block
1466 glusterfs = dependency('glusterfs-api', version: '>=3',
1467 required: get_option('glusterfs'),
1468 method: 'pkg-config')
1469 if glusterfs.found()
1470 glusterfs_ftruncate_has_stat = cc.links('''
1471 #include <glusterfs/api/glfs.h>
1476 /* new glfs_ftruncate() passes two additional args */
1477 return glfs_ftruncate(NULL, 0, NULL, NULL);
1479 ''', dependencies: glusterfs)
1480 glusterfs_iocb_has_stat = cc.links('''
1481 #include <glusterfs/api/glfs.h>
1483 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1485 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1491 glfs_io_cbk iocb = &glusterfs_iocb;
1492 iocb(NULL, 0 , NULL, NULL, NULL);
1495 ''', dependencies: glusterfs)
1500 if get_option('hv_balloon').allowed() and have_system
1503 #include <gmodule.h>
1507 tree = g_tree_new((GCompareFunc)strcmp);
1508 (void)g_tree_node_first(tree);
1509 g_tree_destroy(tree);
1512 ''', dependencies: glib)
1515 if get_option('hv_balloon').enabled()
1516 error('could not enable hv-balloon, update your glib')
1518 warning('could not find glib support for hv-balloon, disabling')
1524 if not get_option('libssh').auto() or have_block
1525 libssh = dependency('libssh', version: '>=0.8.7',
1526 method: 'pkg-config',
1527 required: get_option('libssh'))
1530 libbzip2 = not_found
1531 if not get_option('bzip2').auto() or have_block
1532 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1533 required: get_option('bzip2'))
1534 if libbzip2.found() and not cc.links('''
1536 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1537 libbzip2 = not_found
1538 if get_option('bzip2').enabled()
1539 error('could not link libbzip2')
1541 warning('could not link libbzip2, disabling')
1546 liblzfse = not_found
1547 if not get_option('lzfse').auto() or have_block
1548 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1549 required: get_option('lzfse'))
1551 if liblzfse.found() and not cc.links('''
1553 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1554 liblzfse = not_found
1555 if get_option('lzfse').enabled()
1556 error('could not link liblzfse')
1558 warning('could not link liblzfse, disabling')
1563 if get_option('oss').allowed() and have_system
1564 if not cc.has_header('sys/soundcard.h')
1566 elif host_os == 'netbsd'
1567 oss = cc.find_library('ossaudio', required: get_option('oss'))
1569 oss = declare_dependency()
1573 if get_option('oss').enabled()
1574 error('OSS not found')
1579 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1580 if cc.has_header('dsound.h')
1581 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1584 if not dsound.found()
1585 if get_option('dsound').enabled()
1586 error('DirectSound not found')
1591 coreaudio = not_found
1592 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1593 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1594 required: get_option('coreaudio'))
1598 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1599 epoxy = dependency('epoxy', method: 'pkg-config',
1600 required: get_option('opengl'))
1601 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1603 elif get_option('opengl').enabled()
1604 error('epoxy/egl.h not found')
1608 if (have_system or have_tools) and (virgl.found() or opengl.found())
1609 gbm = dependency('gbm', method: 'pkg-config', required: false)
1611 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1614 gnutls_crypto = not_found
1615 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1616 # For general TLS support our min gnutls matches
1617 # that implied by our platform support matrix
1619 # For the crypto backends, we look for a newer
1622 # Version 3.6.8 is needed to get XTS
1623 # Version 3.6.13 is needed to get PBKDF
1624 # Version 3.6.14 is needed to get HW accelerated XTS
1626 # If newer enough gnutls isn't available, we can
1627 # still use a different crypto backend to satisfy
1628 # the platform support requirements
1629 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1630 method: 'pkg-config',
1632 if gnutls_crypto.found()
1633 gnutls = gnutls_crypto
1635 # Our min version if all we need is TLS
1636 gnutls = dependency('gnutls', version: '>=3.5.18',
1637 method: 'pkg-config',
1638 required: get_option('gnutls'))
1642 # We prefer use of gnutls for crypto, unless the options
1643 # explicitly asked for nettle or gcrypt.
1645 # If gnutls isn't available for crypto, then we'll prefer
1646 # gcrypt over nettle for performance reasons.
1650 crypto_sm4 = not_found
1653 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1654 error('Only one of gcrypt & nettle can be enabled')
1657 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1658 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1659 gnutls_crypto = not_found
1662 if not gnutls_crypto.found()
1663 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1664 gcrypt = dependency('libgcrypt', version: '>=1.8',
1665 method: 'config-tool',
1666 required: get_option('gcrypt'))
1667 # Debian has removed -lgpg-error from libgcrypt-config
1668 # as it "spreads unnecessary dependencies" which in
1669 # turn breaks static builds...
1670 if gcrypt.found() and get_option('prefer_static')
1671 gcrypt = declare_dependency(dependencies:
1673 cc.find_library('gpg-error', required: true)],
1674 version: gcrypt.version())
1677 # SM4 ALG is available in libgcrypt >= 1.9
1678 if gcrypt.found() and not cc.links('''
1681 gcry_cipher_hd_t handler;
1682 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1684 }''', dependencies: gcrypt)
1685 crypto_sm4 = not_found
1688 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1689 nettle = dependency('nettle', version: '>=3.4',
1690 method: 'pkg-config',
1691 required: get_option('nettle'))
1692 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1696 # SM4 ALG is available in nettle >= 3.9
1697 if nettle.found() and not cc.links('''
1698 #include <nettle/sm4.h>
1701 unsigned char key[16] = {0};
1702 sm4_set_encrypt_key(&ctx, key);
1704 }''', dependencies: nettle)
1705 crypto_sm4 = not_found
1710 capstone = not_found
1711 if not get_option('capstone').auto() or have_system or have_user
1712 capstone = dependency('capstone', version: '>=3.0.5',
1713 method: 'pkg-config',
1714 required: get_option('capstone'))
1716 # Some versions of capstone have broken pkg-config file
1717 # that reports a wrong -I path, causing the #include to
1718 # fail later. If the system has such a broken version
1720 if capstone.found() and not cc.compiles('#include <capstone.h>',
1721 dependencies: [capstone])
1722 capstone = not_found
1723 if get_option('capstone').enabled()
1724 error('capstone requested, but it does not appear to work')
1729 gmp = dependency('gmp', required: false, method: 'pkg-config')
1730 if nettle.found() and gmp.found()
1731 hogweed = dependency('hogweed', version: '>=3.4',
1732 method: 'pkg-config',
1733 required: get_option('nettle'))
1740 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1742 if get_option('gtk') \
1743 .disable_auto_if(not have_system) \
1744 .require(pixman.found(),
1745 error_message: 'cannot enable GTK if pixman is not available') \
1747 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1748 method: 'pkg-config',
1749 required: get_option('gtk'))
1751 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1752 method: 'pkg-config',
1754 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1755 version: gtk.version())
1757 if not get_option('vte').auto() or have_system
1758 vte = dependency('vte-2.91',
1759 method: 'pkg-config',
1760 required: get_option('vte'))
1762 elif have_gtk_clipboard
1763 error('GTK clipboard requested, but GTK not found')
1769 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1772 if get_option('png').allowed() and have_system
1773 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1774 method: 'pkg-config')
1779 if get_option('vnc') \
1780 .disable_auto_if(not have_system) \
1781 .require(pixman.found(),
1782 error_message: 'cannot enable VNC if pixman is not available') \
1784 vnc = declare_dependency() # dummy dependency
1785 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1786 method: 'pkg-config')
1787 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1788 required: get_option('vnc_sasl'))
1790 sasl = declare_dependency(dependencies: sasl,
1791 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1796 if not get_option('auth_pam').auto() or have_system
1797 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1798 required: get_option('auth_pam'))
1800 if pam.found() and not cc.links('''
1802 #include <security/pam_appl.h>
1804 const char *service_name = "qemu";
1805 const char *user = "frank";
1806 const struct pam_conv pam_conv = { 0 };
1807 pam_handle_t *pamh = NULL;
1808 pam_start(service_name, user, &pam_conv, &pamh);
1810 }''', dependencies: pam)
1812 if get_option('auth_pam').enabled()
1813 error('could not link libpam')
1815 warning('could not link libpam, disabling')
1820 if not get_option('snappy').auto() or have_system
1821 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1822 required: get_option('snappy'))
1824 if snappy.found() and not cc.links('''
1825 #include <snappy-c.h>
1826 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1828 if get_option('snappy').enabled()
1829 error('could not link libsnappy')
1831 warning('could not link libsnappy, disabling')
1836 if not get_option('lzo').auto() or have_system
1837 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1838 required: get_option('lzo'))
1840 if lzo.found() and not cc.links('''
1841 #include <lzo/lzo1x.h>
1842 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1844 if get_option('lzo').enabled()
1845 error('could not link liblzo2')
1847 warning('could not link liblzo2, disabling')
1852 if not get_option('numa').auto() or have_system or have_tools
1853 numa = cc.find_library('numa', has_headers: ['numa.h'],
1854 required: get_option('numa'))
1856 if numa.found() and not cc.links('''
1858 int main(void) { return numa_available(); }
1859 ''', dependencies: numa)
1861 if get_option('numa').enabled()
1862 error('could not link numa')
1864 warning('could not link numa, disabling')
1869 if not get_option('rdma').auto() or have_system
1870 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1871 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1872 required: get_option('rdma')),
1873 cc.find_library('ibverbs', required: get_option('rdma')),
1875 rdma = declare_dependency(dependencies: rdma_libs)
1876 foreach lib: rdma_libs
1884 if not get_option('smartcard').auto() or have_system
1885 cacard = dependency('libcacard', required: get_option('smartcard'),
1886 version: '>=2.5.1', method: 'pkg-config')
1889 if not get_option('u2f').auto() or have_system
1890 u2f = dependency('u2f-emu', required: get_option('u2f'),
1891 method: 'pkg-config')
1894 if not get_option('canokey').auto() or have_system
1895 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1896 method: 'pkg-config')
1898 usbredir = not_found
1899 if not get_option('usb_redir').auto() or have_system
1900 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1901 version: '>=0.6', method: 'pkg-config')
1904 if not get_option('libusb').auto() or have_system
1905 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1906 version: '>=1.0.13', method: 'pkg-config')
1910 if not get_option('libpmem').auto() or have_system
1911 libpmem = dependency('libpmem', required: get_option('libpmem'),
1912 method: 'pkg-config')
1914 libdaxctl = not_found
1915 if not get_option('libdaxctl').auto() or have_system
1916 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1917 version: '>=57', method: 'pkg-config')
1921 tasn1 = dependency('libtasn1',
1922 method: 'pkg-config')
1924 keyutils = not_found
1925 if not get_option('libkeyutils').auto() or have_block
1926 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1927 method: 'pkg-config')
1930 has_gettid = cc.has_function('gettid')
1933 selinux = dependency('libselinux',
1934 required: get_option('selinux'),
1935 method: 'pkg-config')
1940 if get_option('malloc') == 'system'
1942 get_option('malloc_trim').allowed() and \
1943 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1945 has_malloc_trim = false
1946 malloc = cc.find_library(get_option('malloc'), required: true)
1948 if not has_malloc_trim and get_option('malloc_trim').enabled()
1949 if get_option('malloc') == 'system'
1950 error('malloc_trim not available on this platform.')
1952 error('malloc_trim not available with non-libc memory allocator')
1956 gnu_source_prefix = '''
1962 # Check whether the glibc provides STATX_BASIC_STATS
1964 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1966 # Check whether statx() provides mount ID information
1968 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1970 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1971 .require(host_os == 'linux',
1972 error_message: 'vhost_user_blk_server requires linux') \
1973 .require(have_vhost_user,
1974 error_message: 'vhost_user_blk_server requires vhost-user support') \
1975 .disable_auto_if(not have_tools and not have_system) \
1978 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1979 error('Cannot enable fuse-lseek while fuse is disabled')
1982 fuse = dependency('fuse3', required: get_option('fuse'),
1983 version: '>=3.1', method: 'pkg-config')
1985 fuse_lseek = not_found
1986 if get_option('fuse_lseek').allowed()
1987 if fuse.version().version_compare('>=3.8')
1989 fuse_lseek = declare_dependency()
1990 elif get_option('fuse_lseek').enabled()
1992 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1994 error('fuse-lseek requires libfuse, which was not found')
1999 have_libvduse = (host_os == 'linux')
2000 if get_option('libvduse').enabled()
2001 if host_os != 'linux'
2002 error('libvduse requires linux')
2004 elif get_option('libvduse').disabled()
2005 have_libvduse = false
2008 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2009 if get_option('vduse_blk_export').enabled()
2010 if host_os != 'linux'
2011 error('vduse_blk_export requires linux')
2012 elif not have_libvduse
2013 error('vduse_blk_export requires libvduse support')
2015 elif get_option('vduse_blk_export').disabled()
2016 have_vduse_blk_export = false
2020 bpf_version = '1.1.0'
2021 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2022 if libbpf.found() and not cc.links('''
2023 #include <bpf/libbpf.h>
2024 #include <linux/bpf.h>
2027 // check flag availability
2028 int flag = BPF_F_MMAPABLE;
2029 bpf_object__destroy_skeleton(NULL);
2031 }''', dependencies: libbpf)
2033 if get_option('bpf').enabled()
2034 error('libbpf skeleton/mmaping test failed')
2036 warning('libbpf skeleton/mmaping test failed, disabling')
2042 if not get_option('af_xdp').auto() or have_system
2043 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2044 version: '>=1.4.0', method: 'pkg-config')
2049 if not get_option('libdw').auto() or \
2050 (not get_option('prefer_static') and (have_system or have_user))
2051 libdw = dependency('libdw',
2052 method: 'pkg-config',
2053 required: get_option('libdw'))
2060 config_host_data = configuration_data()
2062 audio_drivers_selected = []
2064 audio_drivers_available = {
2065 'alsa': alsa.found(),
2066 'coreaudio': coreaudio.found(),
2067 'dsound': dsound.found(),
2068 'jack': jack.found(),
2070 'pa': pulse.found(),
2071 'pipewire': pipewire.found(),
2073 'sndio': sndio.found(),
2075 foreach k, v: audio_drivers_available
2076 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2079 # Default to native drivers first, OSS second, SDL third
2080 audio_drivers_priority = \
2081 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2082 (host_os == 'linux' ? [] : [ 'sdl' ])
2083 audio_drivers_default = []
2084 foreach k: audio_drivers_priority
2085 if audio_drivers_available[k]
2086 audio_drivers_default += k
2090 foreach k: get_option('audio_drv_list')
2092 audio_drivers_selected += audio_drivers_default
2093 elif not audio_drivers_available[k]
2094 error('Audio driver "@0@" not available.'.format(k))
2096 audio_drivers_selected += k
2100 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2101 '"' + '", "'.join(audio_drivers_selected) + '", ')
2103 have_host_block_device = (host_os != 'darwin' or
2104 cc.has_header('IOKit/storage/IOMedia.h'))
2106 dbus_display = get_option('dbus_display') \
2107 .require(gio.version().version_compare('>=2.64'),
2108 error_message: '-display dbus requires glib>=2.64') \
2109 .require(gdbus_codegen.found(),
2110 error_message: gdbus_codegen_error.format('-display dbus')) \
2113 have_virtfs = get_option('virtfs') \
2114 .require(host_os == 'linux' or host_os == 'darwin',
2115 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2116 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2117 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2118 .require(host_os == 'darwin' or libattr.found(),
2119 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2120 .disable_auto_if(not have_tools and not have_system) \
2123 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2124 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2125 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2126 .disable_auto_if(not have_tools) \
2127 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2130 if get_option('block_drv_ro_whitelist') == ''
2131 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2133 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2134 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2136 if get_option('block_drv_rw_whitelist') == ''
2137 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2139 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2140 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2143 foreach k : get_option('trace_backends')
2144 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2146 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2147 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2149 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2151 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2152 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2153 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2154 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2155 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2157 qemu_firmwarepath = ''
2158 foreach k : get_option('qemu_firmwarepath')
2159 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2161 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2163 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2164 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2165 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2166 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2167 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2168 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2171 config_host_data.set('CONFIG_STAMP', run_command(
2172 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2173 meson.project_version(), get_option('pkgversion'), '--',
2174 meson.current_source_dir() / 'configure',
2175 capture: true, check: true).stdout().strip())
2178 have_slirp_smbd = get_option('slirp_smbd') \
2179 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2182 smbd_path = get_option('smbd')
2184 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2186 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2189 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2191 kvm_targets_c = '""'
2192 if get_option('kvm').allowed() and host_os == 'linux'
2193 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2195 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2197 if get_option('module_upgrades') and not enable_modules
2198 error('Cannot enable module-upgrades as modules are not enabled')
2200 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2202 config_host_data.set('CONFIG_ATTR', libattr.found())
2203 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2204 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2205 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2206 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2207 config_host_data.set('CONFIG_COCOA', cocoa.found())
2208 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2209 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2210 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2211 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2212 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2213 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2214 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2215 config_host_data.set('CONFIG_LZO', lzo.found())
2216 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2217 config_host_data.set('CONFIG_BLKIO', blkio.found())
2219 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2220 blkio.version().version_compare('>=1.3.0'))
2222 config_host_data.set('CONFIG_CURL', curl.found())
2223 config_host_data.set('CONFIG_CURSES', curses.found())
2224 config_host_data.set('CONFIG_GBM', gbm.found())
2225 config_host_data.set('CONFIG_GIO', gio.found())
2226 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2227 if glusterfs.found()
2228 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2229 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2230 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2231 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2232 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2233 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2235 config_host_data.set('CONFIG_GTK', gtk.found())
2236 config_host_data.set('CONFIG_VTE', vte.found())
2237 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2238 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2239 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2240 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2241 config_host_data.set('CONFIG_EBPF', libbpf.found())
2242 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2243 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2244 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2245 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2246 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2247 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2248 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2249 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2250 config_host_data.set('CONFIG_MODULES', enable_modules)
2251 config_host_data.set('CONFIG_NUMA', numa.found())
2253 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2254 cc.has_function('numa_has_preferred_many',
2255 dependencies: numa))
2257 config_host_data.set('CONFIG_OPENGL', opengl.found())
2258 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2259 config_host_data.set('CONFIG_RBD', rbd.found())
2260 config_host_data.set('CONFIG_RDMA', rdma.found())
2261 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2262 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2263 config_host_data.set('CONFIG_SDL', sdl.found())
2264 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2265 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2267 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2269 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2270 config_host_data.set('CONFIG_SLIRP', slirp.found())
2271 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2272 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2273 if get_option('tcg').allowed()
2274 config_host_data.set('CONFIG_TCG', 1)
2275 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2277 config_host_data.set('CONFIG_TPM', have_tpm)
2278 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2279 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2280 config_host_data.set('CONFIG_VDE', vde.found())
2281 config_host_data.set('CONFIG_VHOST', have_vhost)
2282 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2283 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2284 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2285 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2286 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2287 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2288 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2289 config_host_data.set('CONFIG_VMNET', vmnet.found())
2290 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2291 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2292 config_host_data.set('CONFIG_PNG', png.found())
2293 config_host_data.set('CONFIG_VNC', vnc.found())
2294 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2295 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2297 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2298 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2299 prefix: '#include <virglrenderer.h>',
2300 dependencies: virgl))
2302 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2303 config_host_data.set('CONFIG_VTE', vte.found())
2304 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2305 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2306 config_host_data.set('CONFIG_GETTID', has_gettid)
2307 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2308 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2309 config_host_data.set('CONFIG_TASN1', tasn1.found())
2310 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2311 config_host_data.set('CONFIG_NETTLE', nettle.found())
2312 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2313 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2314 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2315 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2316 config_host_data.set('CONFIG_STATX', has_statx)
2317 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2318 config_host_data.set('CONFIG_ZSTD', zstd.found())
2319 config_host_data.set('CONFIG_FUSE', fuse.found())
2320 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2321 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2322 if spice_protocol.found()
2323 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2324 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2325 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2327 config_host_data.set('CONFIG_SPICE', spice.found())
2328 config_host_data.set('CONFIG_X11', x11.found())
2329 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2330 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2331 config_host_data.set('CONFIG_SELINUX', selinux.found())
2332 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2333 config_host_data.set('CONFIG_LIBDW', libdw.found())
2335 # protect from xen.version() having less than three components
2336 xen_version = xen.version().split('.') + ['0', '0']
2337 xen_ctrl_version = xen_version[0] + \
2338 ('0' + xen_version[1]).substring(-2) + \
2339 ('0' + xen_version[2]).substring(-2)
2340 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2342 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2343 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2344 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2345 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2347 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2348 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2350 have_coroutine_pool = get_option('coroutine_pool')
2351 if get_option('debug_stack_usage') and have_coroutine_pool
2352 message('Disabling coroutine pool to measure stack usage')
2353 have_coroutine_pool = false
2355 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2356 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2357 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2358 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2359 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2360 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2361 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2362 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2365 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2366 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2367 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2368 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2369 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2370 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2371 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2372 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2373 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2374 if host_os == 'windows'
2375 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2379 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2380 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2381 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2382 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2383 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2384 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2385 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2386 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2387 # Note that we need to specify prefix: here to avoid incorrectly
2388 # thinking that Windows has posix_memalign()
2389 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2390 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2391 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2392 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2393 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2394 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2395 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2396 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2397 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2398 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2399 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2400 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2401 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2402 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2403 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2404 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2405 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2406 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2408 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2409 cc.has_function('rbd_namespace_exists',
2411 prefix: '#include <rbd/librbd.h>'))
2414 config_host_data.set('HAVE_IBV_ADVISE_MR',
2415 cc.has_function('ibv_advise_mr',
2417 prefix: '#include <infiniband/verbs.h>'))
2420 have_asan_fiber = false
2421 if get_option('sanitizers') and \
2422 not cc.has_function('__sanitizer_start_switch_fiber',
2423 args: '-fsanitize=address',
2424 prefix: '#include <sanitizer/asan_interface.h>')
2425 warning('Missing ASAN due to missing fiber annotation interface')
2426 warning('Without code annotation, the report may be inferior.')
2428 have_asan_fiber = true
2430 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2432 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2433 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2435 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2437 inotify = cc.find_library('inotify')
2438 if have_inotify_init
2439 have_inotify_init = inotify.found()
2441 if have_inotify_init1
2442 have_inotify_init1 = inotify.found()
2445 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2446 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2449 config_host_data.set('CONFIG_BLKZONED',
2450 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2451 config_host_data.set('CONFIG_EPOLL_CREATE1',
2452 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2453 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2454 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2455 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2456 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2457 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2458 config_host_data.set('CONFIG_FIEMAP',
2459 cc.has_header('linux/fiemap.h') and
2460 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2461 config_host_data.set('CONFIG_GETRANDOM',
2462 cc.has_function('getrandom') and
2463 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2464 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2465 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2466 config_host_data.set('CONFIG_RTNETLINK',
2467 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2468 config_host_data.set('CONFIG_SYSMACROS',
2469 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2470 config_host_data.set('HAVE_OPTRESET',
2471 cc.has_header_symbol('getopt.h', 'optreset'))
2472 config_host_data.set('HAVE_IPPROTO_MPTCP',
2473 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2476 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2477 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2478 prefix: '#include <signal.h>'))
2479 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2480 cc.has_member('struct stat', 'st_atim',
2481 prefix: '#include <sys/stat.h>'))
2482 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2483 cc.has_member('struct blk_zone', 'capacity',
2484 prefix: '#include <linux/blkzoned.h>'))
2487 config_host_data.set('CONFIG_IOVEC',
2488 cc.has_type('struct iovec',
2489 prefix: '#include <sys/uio.h>'))
2490 config_host_data.set('HAVE_UTMPX',
2491 cc.has_type('struct utmpx',
2492 prefix: '#include <utmpx.h>'))
2494 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2495 #include <sys/eventfd.h>
2496 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2497 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2500 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2501 return fdatasync(0);
2503 #error Not supported
2507 has_madvise = cc.links(gnu_source_prefix + '''
2508 #include <sys/types.h>
2509 #include <sys/mman.h>
2511 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2512 missing_madvise_proto = false
2514 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2515 # but forget to prototype it. In this case, has_madvise will be true (the
2516 # test program links despite a compile warning). To detect the
2517 # missing-prototype case, we try again with a definitely-bogus prototype.
2518 # This will only compile if the system headers don't provide the prototype;
2519 # otherwise the conflicting prototypes will cause a compiler error.
2520 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2521 #include <sys/types.h>
2522 #include <sys/mman.h>
2524 extern int madvise(int);
2525 int main(void) { return madvise(0); }''')
2527 config_host_data.set('CONFIG_MADVISE', has_madvise)
2528 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2530 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2531 #include <sys/mman.h>
2532 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2533 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2535 #if !defined(AT_EMPTY_PATH)
2536 # error missing definition
2538 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2540 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2541 #include <sys/mman.h>
2543 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2545 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2546 #include <pthread.h>
2548 static void *f(void *p) { return NULL; }
2552 pthread_create(&thread, 0, f, 0);
2553 pthread_setname_np(thread, "QEMU");
2555 }''', dependencies: threads))
2556 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2557 #include <pthread.h>
2559 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2563 pthread_create(&thread, 0, f, 0);
2565 }''', dependencies: threads))
2566 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2567 #include <pthread.h>
2568 #include <pthread_np.h>
2570 static void *f(void *p) { return NULL; }
2574 pthread_create(&thread, 0, f, 0);
2575 pthread_set_name_np(thread, "QEMU");
2577 }''', dependencies: threads))
2578 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2579 #include <pthread.h>
2584 pthread_condattr_t attr
2585 pthread_condattr_init(&attr);
2586 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2588 }''', dependencies: threads))
2589 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2590 #include <pthread.h>
2592 static void *f(void *p) { return NULL; }
2595 int setsize = CPU_ALLOC_SIZE(64);
2598 pthread_create(&thread, 0, f, 0);
2599 cpuset = CPU_ALLOC(64);
2600 CPU_ZERO_S(setsize, cpuset);
2601 pthread_setaffinity_np(thread, setsize, cpuset);
2602 pthread_getaffinity_np(thread, setsize, cpuset);
2605 }''', dependencies: threads))
2606 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2607 #include <sys/signalfd.h>
2609 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2610 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2618 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2619 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2623 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2624 #include <sys/mman.h>
2626 return mlockall(MCL_FUTURE);
2630 if get_option('l2tpv3').allowed() and have_system
2631 have_l2tpv3 = cc.has_type('struct mmsghdr',
2632 prefix: gnu_source_prefix + '''
2633 #include <sys/socket.h>
2634 #include <linux/ip.h>''')
2636 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2639 if get_option('netmap').allowed() and have_system
2640 have_netmap = cc.compiles('''
2641 #include <inttypes.h>
2643 #include <net/netmap.h>
2644 #include <net/netmap_user.h>
2645 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2648 int main(void) { return 0; }''')
2649 if not have_netmap and get_option('netmap').enabled()
2650 error('Netmap headers not available')
2653 config_host_data.set('CONFIG_NETMAP', have_netmap)
2655 # Work around a system header bug with some kernel/XFS header
2656 # versions where they both try to define 'struct fsxattr':
2657 # xfs headers will not try to redefine structs from linux headers
2658 # if this macro is set.
2659 config_host_data.set('HAVE_FSXATTR', cc.links('''
2660 #include <linux/fs.h>
2666 # Some versions of Mac OS X incorrectly define SIZE_MAX
2667 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2671 return printf("%zu", SIZE_MAX);
2672 }''', args: ['-Werror']))
2674 # See if 64-bit atomic operations are supported.
2675 # Note that without __atomic builtins, we can only
2676 # assume atomic loads/stores max at pointer size.
2677 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2681 uint64_t x = 0, y = 0;
2682 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2683 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2684 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2685 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2686 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2690 has_int128_type = cc.compiles('''
2693 int main(void) { b = a; }''')
2694 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2696 has_int128 = has_int128_type and cc.links('''
2705 config_host_data.set('CONFIG_INT128', has_int128)
2708 # "do we have 128-bit atomics which are handled inline and specifically not
2709 # via libatomic". The reason we can't use libatomic is documented in the
2710 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2711 # We only care about these operations on 16-byte aligned pointers, so
2712 # force 16-byte alignment of the pointer, which may be greater than
2713 # __alignof(unsigned __int128) for the host.
2714 atomic_test_128 = '''
2715 int main(int ac, char **av) {
2716 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2717 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2718 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2719 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2722 has_atomic128 = cc.links(atomic_test_128)
2724 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2726 if not has_atomic128
2727 # Even with __builtin_assume_aligned, the above test may have failed
2728 # without optimization enabled. Try again with optimizations locally
2729 # enabled for the function. See
2730 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2731 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2732 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2734 if not has_atomic128_opt
2735 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2738 __uint128_t x = 0, y = 0;
2739 __sync_val_compare_and_swap_16(&x, y, x);
2747 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2748 #include <sys/auxv.h>
2750 return getauxval(AT_HWCAP) == 0;
2753 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2754 #include <linux/usbdevice_fs.h>
2756 #ifndef USBDEVFS_GET_CAPABILITIES
2757 #error "USBDEVFS_GET_CAPABILITIES undefined"
2760 #ifndef USBDEVFS_DISCONNECT_CLAIM
2761 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2764 int main(void) { return 0; }'''))
2766 have_keyring = get_option('keyring') \
2767 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2768 .require(cc.compiles('''
2770 #include <asm/unistd.h>
2771 #include <linux/keyctl.h>
2772 #include <sys/syscall.h>
2775 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2776 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2777 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2779 have_cpuid_h = cc.links('''
2782 unsigned a, b, c, d;
2783 unsigned max = __get_cpuid_max(0, 0);
2786 __cpuid(1, a, b, c, d);
2790 __cpuid_count(7, 0, a, b, c, d);
2795 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2797 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2798 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2799 .require(cc.links('''
2801 #include <immintrin.h>
2802 static int __attribute__((target("avx2"))) bar(void *a) {
2803 __m256i x = *(__m256i *)a;
2804 return _mm256_testz_si256(x, x);
2806 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2807 '''), error_message: 'AVX2 not available').allowed())
2809 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2810 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2811 .require(cc.links('''
2813 #include <immintrin.h>
2814 static int __attribute__((target("avx512f"))) bar(void *a) {
2815 __m512i x = *(__m512i *)a;
2816 return _mm512_test_epi64_mask(x, x);
2818 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2819 '''), error_message: 'AVX512F not available').allowed())
2821 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2822 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2823 .require(cc.links('''
2825 #include <immintrin.h>
2826 static int __attribute__((target("avx512bw"))) bar(void *a) {
2828 __m512i res= _mm512_abs_epi8(*x);
2831 int main(int argc, char *argv[]) { return bar(argv[0]); }
2832 '''), error_message: 'AVX512BW not available').allowed())
2834 # For both AArch64 and AArch32, detect if builtins are available.
2835 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2836 #include <arm_neon.h>
2837 #ifndef __ARM_FEATURE_AES
2838 __attribute__((target("+crypto")))
2840 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2843 have_pvrdma = get_option('pvrdma') \
2844 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2845 .require(cc.compiles(gnu_source_prefix + '''
2846 #include <sys/mman.h>
2851 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2854 }'''), error_message: 'PVRDMA requires mremap').allowed()
2857 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2858 #include <infiniband/verbs.h>
2862 struct ibv_pd *pd = NULL;
2868 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2874 if get_option('membarrier').disabled()
2875 have_membarrier = false
2876 elif host_os == 'windows'
2877 have_membarrier = true
2878 elif host_os == 'linux'
2879 have_membarrier = cc.compiles('''
2880 #include <linux/membarrier.h>
2881 #include <sys/syscall.h>
2885 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2886 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2890 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2891 .require(have_membarrier, error_message: 'membarrier system call not available') \
2894 have_afalg = get_option('crypto_afalg') \
2895 .require(cc.compiles(gnu_source_prefix + '''
2897 #include <sys/types.h>
2898 #include <sys/socket.h>
2899 #include <linux/if_alg.h>
2902 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2905 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2906 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2908 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2909 'linux/vm_sockets.h', 'AF_VSOCK',
2910 prefix: '#include <sys/socket.h>',
2914 have_vss_sdk = false # old xp/2003 SDK
2915 if host_os == 'windows' and 'cpp' in all_languages
2916 have_vss = cxx.compiles('''
2917 #define __MIDL_user_allocate_free_DEFINED__
2919 int main(void) { return VSS_CTX_BACKUP; }''')
2920 have_vss_sdk = cxx.has_header('vscoordint.h')
2922 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2924 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2925 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2926 if host_os == 'windows'
2927 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2933 }''', name: '_lock_file and _unlock_file'))
2936 if host_os == 'windows'
2937 mingw_has_setjmp_longjmp = cc.links('''
2941 * These functions are not available in setjmp header, but may be
2942 * available at link time, from libmingwex.a.
2944 extern int __mingw_setjmp(jmp_buf);
2945 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2947 __mingw_setjmp(env);
2948 __mingw_longjmp(env, 0);
2950 ''', name: 'mingw setjmp and longjmp')
2952 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2953 error('mingw must provide setjmp/longjmp for windows-arm64')
2957 ########################
2958 # Target configuration #
2959 ########################
2961 minikconf = find_program('scripts/minikconf.py')
2963 config_all_accel = {}
2964 config_all_devices = {}
2965 config_devices_mak_list = []
2966 config_devices_h = {}
2967 config_target_h = {}
2968 config_target_mak = {}
2971 'alpha' : ['CONFIG_ALPHA_DIS'],
2972 'avr' : ['CONFIG_AVR_DIS'],
2973 'cris' : ['CONFIG_CRIS_DIS'],
2974 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2975 'hppa' : ['CONFIG_HPPA_DIS'],
2976 'i386' : ['CONFIG_I386_DIS'],
2977 'x86_64' : ['CONFIG_I386_DIS'],
2978 'm68k' : ['CONFIG_M68K_DIS'],
2979 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2980 'mips' : ['CONFIG_MIPS_DIS'],
2981 'nios2' : ['CONFIG_NIOS2_DIS'],
2982 'or1k' : ['CONFIG_OPENRISC_DIS'],
2983 'ppc' : ['CONFIG_PPC_DIS'],
2984 'riscv' : ['CONFIG_RISCV_DIS'],
2985 'rx' : ['CONFIG_RX_DIS'],
2986 's390' : ['CONFIG_S390_DIS'],
2987 'sh4' : ['CONFIG_SH4_DIS'],
2988 'sparc' : ['CONFIG_SPARC_DIS'],
2989 'xtensa' : ['CONFIG_XTENSA_DIS'],
2990 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2993 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2995 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2996 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2997 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2998 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2999 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
3000 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
3001 (x11.found() ? ['CONFIG_X11=y'] : []) + \
3002 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
3003 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
3004 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
3005 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
3006 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
3007 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
3008 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
3009 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
3010 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
3012 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
3014 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
3015 actual_target_dirs = []
3017 foreach target : target_dirs
3018 config_target = { 'TARGET_NAME': target.split('-')[0] }
3019 if target.endswith('linux-user')
3020 if host_os != 'linux'
3024 error('Target @0@ is only available on a Linux host'.format(target))
3026 config_target += { 'CONFIG_LINUX_USER': 'y' }
3027 elif target.endswith('bsd-user')
3028 if host_os not in bsd_oses
3032 error('Target @0@ is only available on a BSD host'.format(target))
3034 config_target += { 'CONFIG_BSD_USER': 'y' }
3035 elif target.endswith('softmmu')
3036 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3037 config_target += { 'CONFIG_SOFTMMU': 'y' }
3039 if target.endswith('-user')
3041 'CONFIG_USER_ONLY': 'y',
3042 'CONFIG_QEMU_INTERP_PREFIX':
3043 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3048 foreach sym: accelerators
3049 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3050 config_target += { sym: 'y' }
3051 config_all_accel += { sym: 'y' }
3052 if target in modular_tcg
3053 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3055 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3057 accel_kconfig += [ sym + '=y' ]
3060 if accel_kconfig.length() == 0
3064 error('No accelerator available for target @0@'.format(target))
3067 actual_target_dirs += target
3068 config_target += keyval.load('configs/targets' / target + '.mak')
3069 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3071 if 'TARGET_NEED_FDT' in config_target
3072 fdt_required += target
3076 if 'TARGET_BASE_ARCH' not in config_target
3077 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3079 if 'TARGET_ABI_DIR' not in config_target
3080 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3082 if 'TARGET_BIG_ENDIAN' not in config_target
3083 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3086 foreach k, v: disassemblers
3087 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3089 config_target += { sym: 'y' }
3094 config_target_data = configuration_data()
3095 foreach k, v: config_target
3096 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3098 elif ignored.contains(k)
3100 elif k == 'TARGET_BASE_ARCH'
3101 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3102 # not used to select files from sourcesets.
3103 config_target_data.set('TARGET_' + v.to_upper(), 1)
3104 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3105 config_target_data.set_quoted(k, v)
3107 config_target_data.set(k, 1)
3109 config_target_data.set(k, 0)
3111 config_target_data.set(k, v)
3114 config_target_data.set('QEMU_ARCH',
3115 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3116 config_target_h += {target: configure_file(output: target + '-config-target.h',
3117 configuration: config_target_data)}
3119 if target.endswith('-softmmu')
3120 config_input = meson.get_external_property(target, 'default')
3121 config_devices_mak = target + '-config-devices.mak'
3122 config_devices_mak = configure_file(
3123 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3124 output: config_devices_mak,
3125 depfile: config_devices_mak + '.d',
3127 command: [minikconf,
3128 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3129 config_devices_mak, '@DEPFILE@', '@INPUT@',
3130 host_kconfig, accel_kconfig,
3131 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3133 config_devices_data = configuration_data()
3134 config_devices = keyval.load(config_devices_mak)
3135 foreach k, v: config_devices
3136 config_devices_data.set(k, 1)
3138 config_devices_mak_list += config_devices_mak
3139 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3140 configuration: config_devices_data)}
3141 config_target += config_devices
3142 config_all_devices += config_devices
3144 config_target_mak += {target: config_target}
3146 target_dirs = actual_target_dirs
3148 target_configs_h = []
3149 foreach target: target_dirs
3150 target_configs_h += config_target_h[target]
3151 target_configs_h += config_devices_h.get(target, [])
3153 genh += custom_target('config-poison.h',
3154 input: [target_configs_h],
3155 output: 'config-poison.h',
3157 command: [find_program('scripts/make-config-poison.sh'),
3164 libvfio_user_dep = not_found
3165 if have_system and vfio_user_server_allowed
3166 libvfio_user_proj = subproject('libvfio-user', required: true)
3167 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3171 fdt_opt = get_option('fdt')
3172 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3173 if fdt_opt == 'disabled'
3174 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3177 if fdt_opt in ['enabled', 'auto', 'system']
3178 if get_option('wrap_mode') == 'nodownload'
3181 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3182 if fdt.found() and cc.links('''
3184 #include <libfdt_env.h>
3185 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3188 elif fdt_opt == 'system'
3189 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3191 fdt_opt = 'internal'
3196 assert(fdt_opt == 'internal')
3197 libfdt_proj = subproject('dtc', required: true,
3198 default_options: ['tools=false', 'yaml=disabled',
3199 'python=disabled', 'default_library=static'])
3200 fdt = libfdt_proj.get_variable('libfdt_dep')
3203 fdt_opt = 'disabled'
3206 config_host_data.set('CONFIG_FDT', fdt.found())
3208 vhost_user = not_found
3209 if host_os == 'linux' and have_vhost_user
3210 libvhost_user = subproject('libvhost-user')
3211 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3214 libvduse = not_found
3216 libvduse_proj = subproject('libvduse')
3217 libvduse = libvduse_proj.get_variable('libvduse_dep')
3220 #####################
3221 # Generated sources #
3222 #####################
3224 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3226 hxtool = find_program('scripts/hxtool')
3227 shaderinclude = find_program('scripts/shaderinclude.py')
3228 qapi_gen = find_program('scripts/qapi-gen.py')
3229 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3230 meson.current_source_dir() / 'scripts/qapi/commands.py',
3231 meson.current_source_dir() / 'scripts/qapi/common.py',
3232 meson.current_source_dir() / 'scripts/qapi/error.py',
3233 meson.current_source_dir() / 'scripts/qapi/events.py',
3234 meson.current_source_dir() / 'scripts/qapi/expr.py',
3235 meson.current_source_dir() / 'scripts/qapi/gen.py',
3236 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3237 meson.current_source_dir() / 'scripts/qapi/main.py',
3238 meson.current_source_dir() / 'scripts/qapi/parser.py',
3239 meson.current_source_dir() / 'scripts/qapi/schema.py',
3240 meson.current_source_dir() / 'scripts/qapi/source.py',
3241 meson.current_source_dir() / 'scripts/qapi/types.py',
3242 meson.current_source_dir() / 'scripts/qapi/visit.py',
3243 meson.current_source_dir() / 'scripts/qapi-gen.py'
3247 python, files('scripts/tracetool.py'),
3248 '--backend=' + ','.join(get_option('trace_backends'))
3250 tracetool_depends = files(
3251 'scripts/tracetool/backend/log.py',
3252 'scripts/tracetool/backend/__init__.py',
3253 'scripts/tracetool/backend/dtrace.py',
3254 'scripts/tracetool/backend/ftrace.py',
3255 'scripts/tracetool/backend/simple.py',
3256 'scripts/tracetool/backend/syslog.py',
3257 'scripts/tracetool/backend/ust.py',
3258 'scripts/tracetool/format/ust_events_c.py',
3259 'scripts/tracetool/format/ust_events_h.py',
3260 'scripts/tracetool/format/__init__.py',
3261 'scripts/tracetool/format/d.py',
3262 'scripts/tracetool/format/simpletrace_stap.py',
3263 'scripts/tracetool/format/c.py',
3264 'scripts/tracetool/format/h.py',
3265 'scripts/tracetool/format/log_stap.py',
3266 'scripts/tracetool/format/stap.py',
3267 'scripts/tracetool/__init__.py',
3268 'scripts/tracetool/vcpu.py'
3271 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3272 meson.current_source_dir(),
3273 get_option('pkgversion'), meson.project_version()]
3274 qemu_version = custom_target('qemu-version.h',
3275 output: 'qemu-version.h',
3276 command: qemu_version_cmd,
3278 build_by_default: true,
3279 build_always_stale: true)
3280 genh += qemu_version
3284 ['qemu-options.hx', 'qemu-options.def'],
3285 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3289 ['hmp-commands.hx', 'hmp-commands.h'],
3290 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3293 foreach d : hx_headers
3294 hxdep += custom_target(d[1],
3298 command: [hxtool, '-h', '@INPUT0@'])
3306 # TODO: add each directory to the subdirs from its own meson.build, once
3308 trace_events_subdirs = [
3317 trace_events_subdirs += [ 'linux-user' ]
3320 trace_events_subdirs += [ 'bsd-user' ]
3323 trace_events_subdirs += [
3332 trace_events_subdirs += [
3397 if have_system or have_user
3398 trace_events_subdirs += [
3421 authz_ss = ss.source_set()
3422 blockdev_ss = ss.source_set()
3423 block_ss = ss.source_set()
3424 chardev_ss = ss.source_set()
3425 common_ss = ss.source_set()
3426 crypto_ss = ss.source_set()
3427 hwcore_ss = ss.source_set()
3428 io_ss = ss.source_set()
3429 qmp_ss = ss.source_set()
3430 qom_ss = ss.source_set()
3431 system_ss = ss.source_set()
3432 specific_fuzz_ss = ss.source_set()
3433 specific_ss = ss.source_set()
3434 stub_ss = ss.source_set()
3435 trace_ss = ss.source_set()
3436 user_ss = ss.source_set()
3437 util_ss = ss.source_set()
3440 qtest_module_ss = ss.source_set()
3441 tcg_module_ss = ss.source_set()
3447 target_system_arch = {}
3448 target_user_arch = {}
3450 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3451 # that is filled in by qapi/.
3465 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3466 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3469 qom_ss = qom_ss.apply({})
3470 libqom = static_library('qom', qom_ss.sources() + genh,
3471 dependencies: [qom_ss.dependencies()],
3473 build_by_default: false)
3474 qom = declare_dependency(link_whole: libqom)
3476 event_loop_base = files('event-loop-base.c')
3477 event_loop_base = static_library('event-loop-base',
3478 sources: event_loop_base + genh,
3480 build_by_default: false)
3481 event_loop_base = declare_dependency(link_whole: event_loop_base,
3482 dependencies: [qom])
3484 stub_ss = stub_ss.apply({})
3486 util_ss.add_all(trace_ss)
3487 util_ss = util_ss.apply({})
3488 libqemuutil = static_library('qemuutil',
3489 build_by_default: false,
3490 sources: util_ss.sources() + stub_ss.sources() + genh,
3491 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3492 qemuutil = declare_dependency(link_with: libqemuutil,
3493 sources: genh + version_res,
3494 dependencies: [event_loop_base])
3496 if have_system or have_user
3497 decodetree = generator(find_program('scripts/decodetree.py'),
3498 output: 'decode-@BASENAME@.c.inc',
3499 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3500 subdir('libdecnumber')
3517 if config_host_data.get('CONFIG_REPLICATION')
3518 block_ss.add(files('replication.c'))
3525 blockdev_ss.add(files(
3532 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3533 # os-win32.c does not
3534 if host_os == 'windows'
3535 system_ss.add(files('os-win32.c'))
3537 blockdev_ss.add(files('os-posix.c'))
3541 common_ss.add(files('cpu-common.c'))
3542 specific_ss.add(files('cpu-target.c'))
3546 # Work around a gcc bug/misfeature wherein constant propagation looks
3548 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3549 # to guess that a const variable is always zero. Without lto, this is
3550 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3551 # without lto, not even the alias is required -- we simply use different
3552 # declarations in different compilation units.
3553 pagevary = files('page-vary-common.c')
3554 if get_option('b_lto')
3555 pagevary_flags = ['-fno-lto']
3556 if get_option('cfi')
3557 pagevary_flags += '-fno-sanitize=cfi-icall'
3559 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3560 c_args: pagevary_flags)
3561 pagevary = declare_dependency(link_with: pagevary)
3563 common_ss.add(pagevary)
3564 specific_ss.add(files('page-vary-target.c'))
3572 subdir('semihosting')
3580 common_user_inc = []
3582 subdir('common-user')
3584 subdir('linux-user')
3586 # needed for fuzzing binaries
3587 subdir('tests/qtest/libqos')
3588 subdir('tests/qtest/fuzz')
3591 tcg_real_module_ss = ss.source_set()
3592 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3593 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3594 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3595 'tcg': tcg_real_module_ss }}
3597 ##############################################
3598 # Internal static_libraries and dependencies #
3599 ##############################################
3601 modinfo_collect = find_program('scripts/modinfo-collect.py')
3602 modinfo_generate = find_program('scripts/modinfo-generate.py')
3607 foreach d, list : modules
3608 if not (d == 'block' ? have_block : have_system)
3612 foreach m, module_ss : list
3614 module_ss = module_ss.apply(config_all_devices, strict: false)
3615 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3616 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3622 if module_ss.sources() != []
3623 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3624 # input. Sources can be used multiple times but objects are
3625 # unique when it comes to lookup in compile_commands.json.
3626 # Depnds on a mesion version with
3627 # https://github.com/mesonbuild/meson/pull/8900
3628 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3629 output: d + '-' + m + '.modinfo',
3630 input: module_ss.sources() + genh,
3632 command: [modinfo_collect, module_ss.sources()])
3636 block_ss.add_all(module_ss)
3638 system_ss.add_all(module_ss)
3644 foreach d, list : target_modules
3645 foreach m, module_ss : list
3647 foreach target : target_dirs
3648 if target.endswith('-softmmu')
3649 config_target = config_target_mak[target]
3650 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3651 c_args = ['-DNEED_CPU_H',
3652 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3653 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3654 target_module_ss = module_ss.apply(config_target, strict: false)
3655 if target_module_ss.sources() != []
3656 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3657 sl = static_library(module_name,
3658 [genh, target_module_ss.sources()],
3659 dependencies: [modulecommon, target_module_ss.dependencies()],
3660 include_directories: target_inc,
3664 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3665 modinfo_files += custom_target(module_name + '.modinfo',
3666 output: module_name + '.modinfo',
3667 input: target_module_ss.sources() + genh,
3669 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3674 specific_ss.add_all(module_ss)
3680 foreach target : target_dirs
3681 if target.endswith('-softmmu')
3682 config_target = config_target_mak[target]
3683 config_devices_mak = target + '-config-devices.mak'
3684 modinfo_src = custom_target('modinfo-' + target + '.c',
3685 output: 'modinfo-' + target + '.c',
3686 input: modinfo_files,
3687 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3690 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3691 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3693 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3694 hw_arch[arch].add(modinfo_dep)
3699 nm = find_program('nm')
3700 undefsym = find_program('scripts/undefsym.py')
3701 block_syms = custom_target('block.syms', output: 'block.syms',
3702 input: [libqemuutil, block_mods],
3704 command: [undefsym, nm, '@INPUT@'])
3705 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3706 input: [libqemuutil, system_mods],
3708 command: [undefsym, nm, '@INPUT@'])
3710 authz_ss = authz_ss.apply({})
3711 libauthz = static_library('authz', authz_ss.sources() + genh,
3712 dependencies: [authz_ss.dependencies()],
3714 build_by_default: false)
3716 authz = declare_dependency(link_whole: libauthz,
3719 crypto_ss = crypto_ss.apply({})
3720 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3721 dependencies: [crypto_ss.dependencies()],
3723 build_by_default: false)
3725 crypto = declare_dependency(link_whole: libcrypto,
3726 dependencies: [authz, qom])
3728 io_ss = io_ss.apply({})
3729 libio = static_library('io', io_ss.sources() + genh,
3730 dependencies: [io_ss.dependencies()],
3731 link_with: libqemuutil,
3733 build_by_default: false)
3735 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3737 libmigration = static_library('migration', sources: migration_files + genh,
3739 build_by_default: false)
3740 migration = declare_dependency(link_with: libmigration,
3741 dependencies: [zlib, qom, io])
3742 system_ss.add(migration)
3744 block_ss = block_ss.apply({})
3745 libblock = static_library('block', block_ss.sources() + genh,
3746 dependencies: block_ss.dependencies(),
3747 link_depends: block_syms,
3749 build_by_default: false)
3751 block = declare_dependency(link_whole: [libblock],
3752 link_args: '@block.syms',
3753 dependencies: [crypto, io])
3755 blockdev_ss = blockdev_ss.apply({})
3756 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3757 dependencies: blockdev_ss.dependencies(),
3759 build_by_default: false)
3761 blockdev = declare_dependency(link_whole: [libblockdev],
3762 dependencies: [block, event_loop_base])
3764 qmp_ss = qmp_ss.apply({})
3765 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3766 dependencies: qmp_ss.dependencies(),
3768 build_by_default: false)
3770 qmp = declare_dependency(link_whole: [libqmp])
3772 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3774 dependencies: chardev_ss.dependencies(),
3775 build_by_default: false)
3777 chardev = declare_dependency(link_whole: libchardev)
3779 hwcore_ss = hwcore_ss.apply({})
3780 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3782 build_by_default: false)
3783 hwcore = declare_dependency(link_whole: libhwcore)
3784 common_ss.add(hwcore)
3790 emulator_modules = []
3791 foreach m : block_mods + system_mods
3792 emulator_modules += shared_module(m.name(),
3793 build_by_default: true,
3797 install_dir: qemu_moddir)
3799 if emulator_modules.length() > 0
3800 alias_target('modules', emulator_modules)
3803 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3804 common_ss.add(qom, qemuutil)
3806 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3807 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3809 # Note that this library is never used directly (only through extract_objects)
3810 # and is not built by default; therefore, source files not used by the build
3811 # configuration will be in build.ninja, but are never built by default.
3812 common_all = static_library('common',
3813 build_by_default: false,
3814 sources: common_ss.all_sources() + genh,
3815 include_directories: common_user_inc,
3816 implicit_include_directories: false,
3817 dependencies: common_ss.all_dependencies(),
3820 feature_to_c = find_program('scripts/feature_to_c.py')
3822 if host_os == 'darwin'
3823 entitlement = find_program('scripts/entitlement.sh')
3828 foreach target : target_dirs
3829 config_target = config_target_mak[target]
3830 target_name = config_target['TARGET_NAME']
3831 target_base_arch = config_target['TARGET_BASE_ARCH']
3832 arch_srcs = [config_target_h[target]]
3834 c_args = ['-DNEED_CPU_H',
3835 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3836 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3837 link_args = emulator_link_args
3839 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3840 if host_os == 'linux'
3841 target_inc += include_directories('linux-headers', is_system: true)
3843 if target.endswith('-softmmu')
3844 target_type='system'
3845 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3846 arch_srcs += t.sources()
3847 arch_deps += t.dependencies()
3849 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3850 if hw_arch.has_key(hw_dir)
3851 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3852 arch_srcs += hw.sources()
3853 arch_deps += hw.dependencies()
3856 arch_srcs += config_devices_h[target]
3857 link_args += ['@block.syms', '@qemu.syms']
3859 abi = config_target['TARGET_ABI_DIR']
3861 target_inc += common_user_inc
3862 if target_base_arch in target_user_arch
3863 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3864 arch_srcs += t.sources()
3865 arch_deps += t.dependencies()
3867 if 'CONFIG_LINUX_USER' in config_target
3868 base_dir = 'linux-user'
3870 if 'CONFIG_BSD_USER' in config_target
3871 base_dir = 'bsd-user'
3872 target_inc += include_directories('bsd-user/' / host_os)
3873 target_inc += include_directories('bsd-user/host/' / host_arch)
3874 dir = base_dir / abi
3875 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3877 target_inc += include_directories(
3881 if 'CONFIG_LINUX_USER' in config_target
3882 dir = base_dir / abi
3883 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3884 if config_target.has_key('TARGET_SYSTBL_ABI')
3886 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3887 extra_args : config_target['TARGET_SYSTBL_ABI'])
3892 if 'TARGET_XML_FILES' in config_target
3893 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3894 output: target + '-gdbstub-xml.c',
3895 input: files(config_target['TARGET_XML_FILES'].split()),
3896 command: [feature_to_c, '@INPUT@'],
3898 arch_srcs += gdbstub_xml
3901 t = target_arch[target_base_arch].apply(config_target, strict: false)
3902 arch_srcs += t.sources()
3903 arch_deps += t.dependencies()
3905 target_common = common_ss.apply(config_target, strict: false)
3906 objects = common_all.extract_objects(target_common.sources())
3907 deps = target_common.dependencies()
3909 target_specific = specific_ss.apply(config_target, strict: false)
3910 arch_srcs += target_specific.sources()
3911 arch_deps += target_specific.dependencies()
3913 lib = static_library('qemu-' + target,
3914 sources: arch_srcs + genh,
3915 dependencies: arch_deps,
3917 include_directories: target_inc,
3919 build_by_default: false,
3922 if target.endswith('-softmmu')
3924 'name': 'qemu-system-' + target_name,
3925 'win_subsystem': 'console',
3926 'sources': files('system/main.c'),
3929 if host_os == 'windows' and (sdl.found() or gtk.found())
3931 'name': 'qemu-system-' + target_name + 'w',
3932 'win_subsystem': 'windows',
3933 'sources': files('system/main.c'),
3937 if get_option('fuzzing')
3938 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3940 'name': 'qemu-fuzz-' + target_name,
3941 'win_subsystem': 'console',
3942 'sources': specific_fuzz.sources(),
3943 'dependencies': specific_fuzz.dependencies(),
3948 'name': 'qemu-' + target_name,
3949 'win_subsystem': 'console',
3955 exe_name = exe['name']
3956 if host_os == 'darwin'
3957 exe_name += '-unsigned'
3960 emulator = executable(exe_name, exe['sources'],
3963 dependencies: arch_deps + deps + exe['dependencies'],
3964 objects: lib.extract_all_objects(recursive: true),
3965 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3966 link_args: link_args,
3967 win_subsystem: exe['win_subsystem'])
3969 if host_os == 'darwin'
3970 icon = 'pc-bios/qemu.rsrc'
3971 build_input = [emulator, files(icon)]
3973 get_option('bindir') / exe_name,
3974 meson.current_source_dir() / icon
3976 if 'CONFIG_HVF' in config_target
3977 entitlements = 'accel/hvf/entitlements.plist'
3978 build_input += files(entitlements)
3979 install_input += meson.current_source_dir() / entitlements
3982 emulators += {exe['name'] : custom_target(exe['name'],
3984 output: exe['name'],
3985 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3988 meson.add_install_script(entitlement, '--install',
3989 get_option('bindir') / exe['name'],
3992 emulators += {exe['name']: emulator}
3997 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
4003 # Other build targets
4005 if get_option('plugins')
4006 install_headers('include/qemu/qemu-plugin.h')
4007 if host_os == 'windows'
4008 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4009 # so that plugin authors can compile against it.
4010 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4016 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4017 # when we don't build tools or system
4018 if xkbcommon.found()
4019 # used for the update-keymaps target, so include rules even if !have_tools
4020 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4021 dependencies: [qemuutil, xkbcommon], install: have_tools)
4025 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4026 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4027 qemu_io = executable('qemu-io', files('qemu-io.c'),
4028 dependencies: [block, qemuutil], install: true)
4029 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4030 dependencies: [blockdev, qemuutil, gnutls, selinux],
4033 subdir('storage-daemon')
4035 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
4038 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4042 subdir('contrib/rdmacm-mux')
4043 subdir('contrib/elf2dmp')
4045 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4046 dependencies: qemuutil,
4050 subdir('contrib/vhost-user-blk')
4051 subdir('contrib/vhost-user-gpu')
4052 subdir('contrib/vhost-user-input')
4053 subdir('contrib/vhost-user-scsi')
4056 if host_os == 'linux'
4057 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4058 dependencies: [qemuutil, libcap_ng],
4060 install_dir: get_option('libexecdir'))
4062 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4063 dependencies: [authz, crypto, io, qom, qemuutil,
4064 libcap_ng, mpathpersist],
4069 subdir('contrib/ivshmem-client')
4070 subdir('contrib/ivshmem-server')
4075 foreach t: traceable
4077 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4078 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4079 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4080 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4083 tracetool, '--group=all', '--format=' + stp['fmt'],
4084 '--binary=' + stp['bin'],
4085 '--probe-prefix=' + t['probe-prefix'],
4086 '@INPUT@', '@OUTPUT@'
4089 custom_target(t['exe'] + stp['ext'],
4090 input: trace_events_all,
4091 output: t['exe'] + stp['ext'],
4092 install: stp['install'],
4093 install_dir: get_option('datadir') / 'systemtap/tapset',
4095 depend_files: tracetool_depends)
4109 if host_machine.system() == 'windows'
4111 find_program('scripts/nsis.py'),
4113 get_option('prefix'),
4114 meson.current_source_dir(),
4115 glib_pc.get_variable('bindir'),
4118 '-DDISPLAYVERSION=' + meson.project_version(),
4121 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4124 nsis_cmd += '-DCONFIG_GTK=y'
4127 nsis = custom_target('nsis',
4128 output: 'qemu-setup-' + meson.project_version() + '.exe',
4129 input: files('qemu.nsi'),
4130 build_always_stale: true,
4131 command: nsis_cmd + ['@INPUT@'])
4132 alias_target('installer', nsis)
4135 #########################
4136 # Configuration summary #
4137 #########################
4141 summary_info += {'Build directory': meson.current_build_dir()}
4142 summary_info += {'Source path': meson.current_source_dir()}
4143 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4144 summary(summary_info, bool_yn: true, section: 'Build environment')
4147 summary_info += {'Install prefix': get_option('prefix')}
4148 summary_info += {'BIOS directory': qemu_datadir}
4149 pathsep = host_os == 'windows' ? ';' : ':'
4150 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4151 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4152 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4153 summary_info += {'module directory': qemu_moddir}
4154 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4155 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4156 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4157 if host_os != 'windows'
4158 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4159 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4161 summary_info += {'local state directory': 'queried at runtime'}
4163 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4164 summary(summary_info, bool_yn: true, section: 'Directories')
4168 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4169 summary_info += {'sphinx-build': sphinx_build}
4171 # FIXME: the [binaries] section of machine files, which can be probed
4172 # with find_program(), would be great for passing gdb and genisoimage
4173 # paths from configure to Meson. However, there seems to be no way to
4174 # hide a program (for example if gdb is too old).
4175 if config_host.has_key('GDB')
4176 summary_info += {'gdb': config_host['GDB']}
4178 summary_info += {'iasl': iasl}
4179 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4180 if host_os == 'windows' and have_ga
4181 summary_info += {'wixl': wixl}
4183 if slirp.found() and have_system
4184 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4186 summary(summary_info, bool_yn: true, section: 'Host binaries')
4188 # Configurable features
4190 summary_info += {'Documentation': build_docs}
4191 summary_info += {'system-mode emulation': have_system}
4192 summary_info += {'user-mode emulation': have_user}
4193 summary_info += {'block layer': have_block}
4194 summary_info += {'Install blobs': get_option('install_blobs')}
4195 summary_info += {'module support': enable_modules}
4197 summary_info += {'alternative module path': get_option('module_upgrades')}
4199 summary_info += {'fuzzing support': get_option('fuzzing')}
4201 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4203 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4204 if 'simple' in get_option('trace_backends')
4205 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4207 summary_info += {'D-Bus display': dbus_display}
4208 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4209 summary_info += {'Relocatable install': get_option('relocatable')}
4210 summary_info += {'vhost-kernel support': have_vhost_kernel}
4211 summary_info += {'vhost-net support': have_vhost_net}
4212 summary_info += {'vhost-user support': have_vhost_user}
4213 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4214 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4215 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4216 summary_info += {'build guest agent': have_ga}
4217 summary(summary_info, bool_yn: true, section: 'Configurable features')
4219 # Compilation information
4221 summary_info += {'host CPU': cpu}
4222 summary_info += {'host endianness': build_machine.endian()}
4223 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4224 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4225 if 'cpp' in all_languages
4226 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4228 summary_info += {'C++ compiler': false}
4230 if 'objc' in all_languages
4231 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4233 summary_info += {'Objective-C compiler': false}
4235 option_cflags = (get_option('debug') ? ['-g'] : [])
4236 if get_option('optimization') != 'plain'
4237 option_cflags += ['-O' + get_option('optimization')]
4239 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4240 if 'cpp' in all_languages
4241 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4243 if 'objc' in all_languages
4244 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4246 link_args = get_option('c_link_args')
4247 if link_args.length() > 0
4248 summary_info += {'LDFLAGS': ' '.join(link_args)}
4250 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4251 if 'cpp' in all_languages
4252 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4254 if 'objc' in all_languages
4255 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4257 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4258 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4259 summary_info += {'PIE': get_option('b_pie')}
4260 summary_info += {'static build': get_option('prefer_static')}
4261 summary_info += {'malloc trim support': has_malloc_trim}
4262 summary_info += {'membarrier': have_membarrier}
4263 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4264 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4265 summary_info += {'mutex debugging': get_option('debug_mutex')}
4266 summary_info += {'memory allocator': get_option('malloc')}
4267 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4268 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4269 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4270 summary_info += {'gcov': get_option('b_coverage')}
4271 summary_info += {'thread sanitizer': get_option('tsan')}
4272 summary_info += {'CFI support': get_option('cfi')}
4273 if get_option('cfi')
4274 summary_info += {'CFI debug support': get_option('cfi_debug')}
4276 summary_info += {'strip binaries': get_option('strip')}
4277 summary_info += {'sparse': sparse}
4278 summary_info += {'mingw32 support': host_os == 'windows'}
4279 summary(summary_info, bool_yn: true, section: 'Compilation')
4281 # snarf the cross-compilation information for tests
4284 foreach target: target_dirs
4285 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4286 if fs.exists(tcg_mak)
4287 config_cross_tcg = keyval.load(tcg_mak)
4288 if 'CC' in config_cross_tcg
4289 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4295 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4298 # Targets and accelerators
4301 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4302 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4303 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4304 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4305 summary_info += {'Xen support': xen.found()}
4307 summary_info += {'xen ctrl version': xen.version()}
4309 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4311 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4312 if config_all_accel.has_key('CONFIG_TCG')
4313 if get_option('tcg_interpreter')
4314 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4316 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4318 summary_info += {'TCG plugins': get_option('plugins')}
4319 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4321 summary_info += {'target list': ' '.join(target_dirs)}
4323 summary_info += {'default devices': get_option('default_devices')}
4324 summary_info += {'out of process emulation': multiprocess_allowed}
4325 summary_info += {'vfio-user server': vfio_user_server_allowed}
4327 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4331 summary_info += {'coroutine backend': coroutine_backend}
4332 summary_info += {'coroutine pool': have_coroutine_pool}
4334 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4335 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4336 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4337 summary_info += {'VirtFS (9P) support': have_virtfs}
4338 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4339 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4340 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4341 summary_info += {'bochs support': get_option('bochs').allowed()}
4342 summary_info += {'cloop support': get_option('cloop').allowed()}
4343 summary_info += {'dmg support': get_option('dmg').allowed()}
4344 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4345 summary_info += {'vdi support': get_option('vdi').allowed()}
4346 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4347 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4348 summary_info += {'vpc support': get_option('vpc').allowed()}
4349 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4350 summary_info += {'qed support': get_option('qed').allowed()}
4351 summary_info += {'parallels support': get_option('parallels').allowed()}
4352 summary_info += {'FUSE exports': fuse}
4353 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4355 summary(summary_info, bool_yn: true, section: 'Block layer support')
4359 summary_info += {'TLS priority': get_option('tls_priority')}
4360 summary_info += {'GNUTLS support': gnutls}
4362 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4364 summary_info += {'libgcrypt': gcrypt}
4365 summary_info += {'nettle': nettle}
4367 summary_info += {' XTS': xts != 'private'}
4369 summary_info += {'SM4 ALG support': crypto_sm4}
4370 summary_info += {'AF_ALG support': have_afalg}
4371 summary_info += {'rng-none': get_option('rng_none')}
4372 summary_info += {'Linux keyring': have_keyring}
4373 summary_info += {'Linux keyutils': keyutils}
4374 summary(summary_info, bool_yn: true, section: 'Crypto')
4378 if host_os == 'darwin'
4379 summary_info += {'Cocoa support': cocoa}
4381 summary_info += {'SDL support': sdl}
4382 summary_info += {'SDL image support': sdl_image}
4383 summary_info += {'GTK support': gtk}
4384 summary_info += {'pixman': pixman}
4385 summary_info += {'VTE support': vte}
4386 summary_info += {'PNG support': png}
4387 summary_info += {'VNC support': vnc}
4389 summary_info += {'VNC SASL support': sasl}
4390 summary_info += {'VNC JPEG support': jpeg}
4392 summary_info += {'spice protocol support': spice_protocol}
4393 if spice_protocol.found()
4394 summary_info += {' spice server support': spice}
4396 summary_info += {'curses support': curses}
4397 summary_info += {'brlapi support': brlapi}
4398 summary(summary_info, bool_yn: true, section: 'User interface')
4402 summary_info += {'VirGL support': virgl}
4403 summary_info += {'Rutabaga support': rutabaga}
4404 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4408 if host_os not in ['darwin', 'haiku', 'windows']
4409 summary_info += {'OSS support': oss}
4410 summary_info += {'sndio support': sndio}
4411 elif host_os == 'darwin'
4412 summary_info += {'CoreAudio support': coreaudio}
4413 elif host_os == 'windows'
4414 summary_info += {'DirectSound support': dsound}
4416 if host_os == 'linux'
4417 summary_info += {'ALSA support': alsa}
4418 summary_info += {'PulseAudio support': pulse}
4420 summary_info += {'PipeWire support': pipewire}
4421 summary_info += {'JACK support': jack}
4422 summary(summary_info, bool_yn: true, section: 'Audio backends')
4426 if host_os == 'darwin'
4427 summary_info += {'vmnet.framework support': vmnet}
4429 summary_info += {'AF_XDP support': libxdp}
4430 summary_info += {'slirp support': slirp}
4431 summary_info += {'vde support': vde}
4432 summary_info += {'netmap support': have_netmap}
4433 summary_info += {'l2tpv3 support': have_l2tpv3}
4434 summary(summary_info, bool_yn: true, section: 'Network backends')
4438 summary_info += {'libtasn1': tasn1}
4439 summary_info += {'PAM': pam}
4440 summary_info += {'iconv support': iconv}
4441 summary_info += {'blkio support': blkio}
4442 summary_info += {'curl support': curl}
4443 summary_info += {'Multipath support': mpathpersist}
4444 summary_info += {'Linux AIO support': libaio}
4445 summary_info += {'Linux io_uring support': linux_io_uring}
4446 summary_info += {'ATTR/XATTR support': libattr}
4447 summary_info += {'RDMA support': rdma}
4448 summary_info += {'PVRDMA support': have_pvrdma}
4449 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4450 summary_info += {'libcap-ng support': libcap_ng}
4451 summary_info += {'bpf support': libbpf}
4452 summary_info += {'rbd support': rbd}
4453 summary_info += {'smartcard support': cacard}
4454 summary_info += {'U2F support': u2f}
4455 summary_info += {'libusb': libusb}
4456 summary_info += {'usb net redir': usbredir}
4457 summary_info += {'OpenGL support (epoxy)': opengl}
4458 summary_info += {'GBM': gbm}
4459 summary_info += {'libiscsi support': libiscsi}
4460 summary_info += {'libnfs support': libnfs}
4461 if host_os == 'windows'
4463 summary_info += {'QGA VSS support': have_qga_vss}
4466 summary_info += {'seccomp support': seccomp}
4467 summary_info += {'GlusterFS support': glusterfs}
4468 summary_info += {'hv-balloon support': hv_balloon}
4469 summary_info += {'TPM support': have_tpm}
4470 summary_info += {'libssh support': libssh}
4471 summary_info += {'lzo support': lzo}
4472 summary_info += {'snappy support': snappy}
4473 summary_info += {'bzip2 support': libbzip2}
4474 summary_info += {'lzfse support': liblzfse}
4475 summary_info += {'zstd support': zstd}
4476 summary_info += {'NUMA host support': numa}
4477 summary_info += {'capstone': capstone}
4478 summary_info += {'libpmem support': libpmem}
4479 summary_info += {'libdaxctl support': libdaxctl}
4480 summary_info += {'libudev': libudev}
4481 # Dummy dependency, keep .found()
4482 summary_info += {'FUSE lseek': fuse_lseek.found()}
4483 summary_info += {'selinux': selinux}
4484 summary_info += {'libdw': libdw}
4485 if host_os == 'freebsd'
4486 summary_info += {'libinotify-kqueue': inotify}
4488 summary(summary_info, bool_yn: true, section: 'Dependencies')
4490 if host_arch == 'unknown'
4492 warning('UNSUPPORTED HOST CPU')
4494 message('Support for CPU host architecture ' + cpu + ' is not currently')
4495 message('maintained. The QEMU project does not guarantee that QEMU will')
4496 message('compile or work on this host CPU. You can help by volunteering')
4497 message('to maintain it and providing a build host for our continuous')
4498 message('integration setup.')
4499 if get_option('tcg').allowed() and target_dirs.length() > 0
4501 message('configure has succeeded and you can continue to build, but')
4502 message('QEMU will use a slow interpreter to emulate the target CPU.')
4506 if not supported_oses.contains(host_os)
4508 warning('UNSUPPORTED HOST OS')
4510 message('Support for host OS ' + host_os + 'is not currently maintained.')
4511 message('configure has succeeded and you can continue to build, but')
4512 message('the QEMU project does not guarantee that QEMU will compile or')
4513 message('work on this operating system. You can help by volunteering')
4514 message('to maintain it and providing a build host for our continuous')
4515 message('integration setup. This will ensure that future versions of QEMU')
4516 message('will keep working on ' + host_os + '.')
4519 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4521 message('If you want to help supporting QEMU on this platform, please')
4522 message('contact the developers at qemu-devel@nongnu.org.')
4525 actually_reloc = get_option('relocatable')
4526 # check if get_relocated_path() is actually able to relocate paths
4527 if get_option('relocatable') and \
4528 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4530 warning('bindir not included within prefix, the installation will not be relocatable.')
4531 actually_reloc = false
4533 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4534 if host_os == 'windows'
4536 warning('Windows installs should usually be relocatable.')
4539 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4540 message('Use --disable-relocatable to remove this warning.')