1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
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
566 # NB2: This clashes with the "retguard" extension of OpenBSD's Clang
567 # https://gitlab.com/qemu-project/qemu/-/issues/2278
568 if host_os != 'openbsd' and \
569 cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
570 name: '-fzero-call-used-regs=used-gpr',
571 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
572 hardening_flags += '-fzero-call-used-regs=used-gpr'
575 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
577 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
578 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
580 # Collect warning flags we want to set, sorted alphabetically
582 # First enable interesting warnings
585 '-Wexpansion-to-defined',
588 '-Wignored-qualifiers',
589 '-Wimplicit-fallthrough=2',
591 '-Wmissing-format-attribute',
592 '-Wmissing-prototypes',
594 '-Wold-style-declaration',
595 '-Wold-style-definition',
598 '-Wstrict-prototypes',
604 # Then disable some undesirable warnings
605 '-Wno-gnu-variable-sized-type-not-at-end',
606 '-Wno-initializer-overrides',
607 '-Wno-missing-include-dirs',
609 '-Wno-shift-negative-value',
610 '-Wno-string-plus-int',
611 '-Wno-tautological-type-limit-compare',
612 '-Wno-typedef-redefinition',
615 if host_os != 'darwin'
616 warn_flags += ['-Wthread-safety']
619 # Set up C++ compiler flags
621 if 'cpp' in all_languages
622 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
625 add_project_arguments(qemu_cflags, native: false, language: 'c')
626 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
627 if 'cpp' in all_languages
628 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
629 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
631 if 'objc' in all_languages
632 # Note sanitizer flags are not applied to Objective-C sources!
633 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
635 if host_os == 'linux'
636 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
637 '-isystem', 'linux-headers',
638 language: all_languages)
641 add_project_arguments('-iquote', '.',
642 '-iquote', meson.current_source_dir(),
643 '-iquote', meson.current_source_dir() / 'include',
644 language: all_languages)
646 # If a host-specific include directory exists, list that first...
647 host_include = meson.current_source_dir() / 'host/include/'
648 if fs.is_dir(host_include / host_arch)
649 add_project_arguments('-iquote', host_include / host_arch,
650 language: all_languages)
652 # ... followed by the generic fallback.
653 add_project_arguments('-iquote', host_include / 'generic',
654 language: all_languages)
656 sparse = find_program('cgcc', required: get_option('sparse'))
659 command: [find_program('scripts/check_sparse.py'),
660 'compile_commands.json', sparse.full_path(), '-Wbitwise',
661 '-Wno-transparent-union', '-Wno-old-initializer',
662 '-Wno-non-pointer-null'])
665 #####################################
666 # Host-specific libraries and flags #
667 #####################################
669 libm = cc.find_library('m', required: false)
670 threads = dependency('threads')
671 util = cc.find_library('util', required: false)
677 emulator_link_args = []
682 if host_os == 'windows'
683 midl = find_program('midl', required: false)
684 widl = find_program('widl', required: false)
685 pathcch = cc.find_library('pathcch')
686 socket = cc.find_library('ws2_32')
687 winmm = cc.find_library('winmm')
689 win = import('windows')
690 version_res = win.compile_resources('version.rc',
691 depend_files: files('pc-bios/qemu-nsis.ico'),
692 include_directories: include_directories('.'))
694 elif host_os == 'darwin'
695 coref = dependency('appleframeworks', modules: 'CoreFoundation')
696 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
697 host_dsosuf = '.dylib'
698 elif host_os == 'sunos'
699 socket = [cc.find_library('socket'),
700 cc.find_library('nsl'),
701 cc.find_library('resolv')]
702 elif host_os == 'haiku'
703 socket = [cc.find_library('posix_error_mapper'),
704 cc.find_library('network'),
705 cc.find_library('bsd')]
706 elif host_os == 'openbsd'
707 if get_option('tcg').allowed() and target_dirs.length() > 0
708 # Disable OpenBSD W^X if available
709 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
713 ###############################################
714 # Host-specific configuration of accelerators #
715 ###############################################
718 if get_option('kvm').allowed() and host_os == 'linux'
719 accelerators += 'CONFIG_KVM'
721 if get_option('whpx').allowed() and host_os == 'windows'
722 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
723 error('WHPX requires 64-bit host')
724 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
725 cc.has_header('winhvemulation.h', required: get_option('whpx'))
726 accelerators += 'CONFIG_WHPX'
731 if get_option('hvf').allowed()
732 hvf = dependency('appleframeworks', modules: 'Hypervisor',
733 required: get_option('hvf'))
735 accelerators += 'CONFIG_HVF'
740 if host_os == 'netbsd'
741 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
743 accelerators += 'CONFIG_NVMM'
748 if get_option('tcg').allowed()
749 if host_arch == 'unknown'
750 if not get_option('tcg_interpreter')
751 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
753 elif get_option('tcg_interpreter')
754 warning('Use of the TCG interpreter is not recommended on this host')
755 warning('architecture. There is a native TCG execution backend available')
756 warning('which provides substantially better performance and reliability.')
757 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
758 warning('configuration option on this architecture to use the native')
761 if get_option('tcg_interpreter')
763 elif host_arch == 'x86_64'
765 elif host_arch == 'ppc64'
768 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
769 language: all_languages)
771 accelerators += 'CONFIG_TCG'
774 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
775 error('KVM not available on this platform')
777 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
778 error('HVF not available on this platform')
780 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
781 error('NVMM not available on this platform')
783 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
784 error('WHPX not available on this platform')
788 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
789 xencontrol = dependency('xencontrol', required: false,
790 method: 'pkg-config')
791 if xencontrol.found()
792 xen_pc = declare_dependency(version: xencontrol.version(),
795 # disabler: true makes xen_pc.found() return false if any is not found
796 dependency('xenstore', required: false,
797 method: 'pkg-config',
799 dependency('xenforeignmemory', required: false,
800 method: 'pkg-config',
802 dependency('xengnttab', required: false,
803 method: 'pkg-config',
805 dependency('xenevtchn', required: false,
806 method: 'pkg-config',
808 dependency('xendevicemodel', required: false,
809 method: 'pkg-config',
811 # optional, no "disabler: true"
812 dependency('xentoolcore', required: false,
813 method: 'pkg-config')])
819 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
821 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
822 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
823 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
824 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
825 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
828 foreach ver: xen_tests
829 # cache the various library tests to avoid polluting the logs
831 foreach l: xen_libs[ver]
833 xen_deps += { l: cc.find_library(l, required: false) }
835 xen_test_deps += xen_deps[l]
838 # Use -D to pick just one of the test programs in scripts/xen-detect.c
839 xen_version = ver.split('.')
840 xen_ctrl_version = xen_version[0] + \
841 ('0' + xen_version[1]).substring(-2) + \
842 ('0' + xen_version[2]).substring(-2)
843 if cc.links(files('scripts/xen-detect.c'),
844 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
845 dependencies: xen_test_deps)
846 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
852 accelerators += 'CONFIG_XEN'
853 elif get_option('xen').enabled()
854 error('could not compile and link Xen test program')
857 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
858 .require(xen.found(),
859 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
860 .require(host_os == 'linux',
861 error_message: 'Xen PCI passthrough not available on this platform') \
862 .require(cpu == 'x86' or cpu == 'x86_64',
863 error_message: 'Xen PCI passthrough not available on this platform') \
870 # When bumping glib minimum version, please check also whether to increase
871 # the _WIN32_WINNT setting in osdep.h according to the value from glib
872 glib_req_ver = '>=2.56.0'
873 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
874 method: 'pkg-config')
877 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
878 method: 'pkg-config')
879 elif get_option('plugins')
880 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
881 method: 'pkg-config')
886 # This workaround is required due to a bug in pkg-config file for glib as it
887 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
888 if host_os == 'windows' and get_option('prefer_static')
889 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
892 # Sanity check that the current size_t matches the
893 # size that glib thinks it should be. This catches
894 # problems on multi-arch where people try to build
895 # 32-bit QEMU while pointing at 64-bit glib headers
897 if not cc.compiles('''
901 #define QEMU_BUILD_BUG_ON(x) \
902 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
905 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
907 }''', dependencies: glib_pc, args: glib_cflags)
908 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
909 You probably need to set PKG_CONFIG_LIBDIR" to point
910 to the right pkg-config files for your build target.''')
913 # Silence clang warnings triggered by glib < 2.57.2
914 if not cc.compiles('''
919 static void foo_free(Foo *f)
923 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
924 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
925 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
927 glib = declare_dependency(dependencies: [glib_pc, gmodule],
928 compile_args: glib_cflags,
929 version: glib_pc.version())
931 # Check whether glib has gslice, which we have to avoid for correctness.
932 # TODO: remove this check and the corresponding workaround (qtree) when
933 # the minimum supported glib is >= 2.75.3
934 glib_has_gslice = glib.version().version_compare('<2.75.3')
936 # override glib dep to include the above refinements
937 meson.override_dependency('glib-2.0', glib)
939 # The path to glib.h is added to all compilation commands.
940 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
941 native: false, language: all_languages)
944 gdbus_codegen = not_found
945 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
946 if not get_option('gio').auto() or have_system
947 gio = dependency('gio-2.0', required: get_option('gio'),
948 method: 'pkg-config')
949 if gio.found() and not cc.links('''
953 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
955 }''', dependencies: [glib, gio])
956 if get_option('gio').enabled()
957 error('The installed libgio is broken for static linking')
962 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
963 required: get_option('gio'))
964 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
965 method: 'pkg-config')
966 gio = declare_dependency(dependencies: [gio, gio_unix],
967 version: gio.version())
970 if gdbus_codegen.found() and get_option('cfi')
971 gdbus_codegen = not_found
972 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
975 xml_pp = find_program('scripts/xml-preprocess.py')
978 if 'ust' in get_option('trace_backends')
979 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
980 method: 'pkg-config')
983 if not get_option('pixman').auto() or have_system or have_tools
984 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
985 method: 'pkg-config')
988 zlib = dependency('zlib', required: true)
991 if not get_option('linux_aio').auto() or have_block
992 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
993 required: get_option('linux_aio'))
996 linux_io_uring_test = '''
997 #include <liburing.h>
998 #include <linux/errqueue.h>
1000 int main(void) { return 0; }'''
1002 linux_io_uring = not_found
1003 if not get_option('linux_io_uring').auto() or have_block
1004 linux_io_uring = dependency('liburing', version: '>=0.3',
1005 required: get_option('linux_io_uring'),
1006 method: 'pkg-config')
1007 if not cc.links(linux_io_uring_test)
1008 linux_io_uring = not_found
1013 if not get_option('libnfs').auto() or have_block
1014 libnfs = dependency('libnfs', version: '>=1.9.3',
1015 required: get_option('libnfs'),
1016 method: 'pkg-config')
1021 #include <sys/types.h>
1022 #ifdef CONFIG_LIBATTR
1023 #include <attr/xattr.h>
1025 #include <sys/xattr.h>
1027 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1030 have_old_libattr = false
1031 if get_option('attr').allowed()
1032 if cc.links(libattr_test)
1033 libattr = declare_dependency()
1035 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1036 required: get_option('attr'))
1037 if libattr.found() and not \
1038 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1040 if get_option('attr').enabled()
1041 error('could not link libattr')
1043 warning('could not link libattr, disabling')
1046 have_old_libattr = libattr.found()
1051 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1052 required: get_option('cocoa'))
1054 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1055 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1056 'VMNET_BRIDGED_MODE',
1057 dependencies: vmnet)
1059 if get_option('vmnet').enabled()
1060 error('vmnet.framework API is outdated')
1062 warning('vmnet.framework API is outdated, disabling')
1067 seccomp_has_sysrawrc = false
1068 if not get_option('seccomp').auto() or have_system or have_tools
1069 seccomp = dependency('libseccomp', version: '>=2.3.0',
1070 required: get_option('seccomp'),
1071 method: 'pkg-config')
1073 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1074 'SCMP_FLTATR_API_SYSRAWRC',
1075 dependencies: seccomp)
1079 libcap_ng = not_found
1080 if not get_option('cap_ng').auto() or have_system or have_tools
1081 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1082 required: get_option('cap_ng'))
1084 if libcap_ng.found() and not cc.links('''
1088 capng_capability_to_name(CAPNG_EFFECTIVE);
1090 }''', dependencies: libcap_ng)
1091 libcap_ng = not_found
1092 if get_option('cap_ng').enabled()
1093 error('could not link libcap-ng')
1095 warning('could not link libcap-ng, disabling')
1099 if get_option('xkbcommon').auto() and not have_system and not have_tools
1100 xkbcommon = not_found
1102 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1103 method: 'pkg-config')
1107 if not get_option('slirp').auto() or have_system
1108 slirp = dependency('slirp', required: get_option('slirp'),
1109 method: 'pkg-config')
1110 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1111 # it passes function pointers within libslirp as callbacks for timers.
1112 # When using a system-wide shared libslirp, the type information for the
1113 # callback is missing and the timer call produces a false positive with CFI.
1114 # Do not use the "version" keyword argument to produce a better error.
1115 # with control-flow integrity.
1116 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1117 if get_option('slirp').enabled()
1118 error('Control-Flow Integrity requires libslirp 4.7.')
1120 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1127 if not get_option('vde').auto() or have_system or have_tools
1128 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1129 required: get_option('vde'))
1131 if vde.found() and not cc.links('''
1132 #include <libvdeplug.h>
1135 struct vde_open_args a = {0, 0, 0};
1139 }''', dependencies: vde)
1141 if get_option('cap_ng').enabled()
1142 error('could not link libvdeplug')
1144 warning('could not link libvdeplug, disabling')
1149 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1150 pulse = dependency('libpulse', required: get_option('pa'),
1151 method: 'pkg-config')
1154 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1155 alsa = dependency('alsa', required: get_option('alsa'),
1156 method: 'pkg-config')
1159 if not get_option('jack').auto() or have_system
1160 jack = dependency('jack', required: get_option('jack'),
1161 method: 'pkg-config')
1163 pipewire = not_found
1164 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1165 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1166 required: get_option('pipewire'),
1167 method: 'pkg-config')
1170 if not get_option('sndio').auto() or have_system
1171 sndio = dependency('sndio', required: get_option('sndio'),
1172 method: 'pkg-config')
1175 spice_protocol = not_found
1176 if not get_option('spice_protocol').auto() or have_system
1177 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1178 required: get_option('spice_protocol'),
1179 method: 'pkg-config')
1182 if get_option('spice') \
1183 .disable_auto_if(not have_system) \
1184 .require(pixman.found(),
1185 error_message: 'cannot enable SPICE if pixman is not available') \
1187 spice = dependency('spice-server', version: '>=0.14.0',
1188 required: get_option('spice'),
1189 method: 'pkg-config')
1191 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1193 rt = cc.find_library('rt', required: false)
1195 libiscsi = not_found
1196 if not get_option('libiscsi').auto() or have_block
1197 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1198 required: get_option('libiscsi'),
1199 method: 'pkg-config')
1202 if not get_option('zstd').auto() or have_block
1203 zstd = dependency('libzstd', version: '>=1.4.0',
1204 required: get_option('zstd'),
1205 method: 'pkg-config')
1209 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1210 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1211 virgl = dependency('virglrenderer',
1212 method: 'pkg-config',
1213 required: get_option('virglrenderer'))
1215 rutabaga = not_found
1216 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1217 rutabaga = dependency('rutabaga_gfx_ffi',
1218 method: 'pkg-config',
1219 required: get_option('rutabaga_gfx'))
1222 if not get_option('blkio').auto() or have_block
1223 blkio = dependency('blkio',
1224 method: 'pkg-config',
1225 required: get_option('blkio'))
1228 if not get_option('curl').auto() or have_block
1229 curl = dependency('libcurl', version: '>=7.29.0',
1230 method: 'pkg-config',
1231 required: get_option('curl'))
1234 if host_os == 'linux' and (have_system or have_tools)
1235 libudev = dependency('libudev',
1236 method: 'pkg-config',
1237 required: get_option('libudev'))
1240 mpathlibs = [libudev]
1241 mpathpersist = not_found
1242 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1243 mpath_test_source = '''
1244 #include <libudev.h>
1245 #include <mpath_persist.h>
1246 unsigned mpath_mx_alloc_len = 1024;
1248 static struct config *multipath_conf;
1249 extern struct udev *udev;
1250 extern struct config *get_multipath_config(void);
1251 extern void put_multipath_config(struct config *conf);
1253 struct config *get_multipath_config(void) { return multipath_conf; }
1254 void put_multipath_config(struct config *conf) { }
1257 multipath_conf = mpath_lib_init();
1260 libmpathpersist = cc.find_library('mpathpersist',
1261 required: get_option('mpath'))
1262 if libmpathpersist.found()
1263 mpathlibs += libmpathpersist
1264 if get_option('prefer_static')
1265 mpathlibs += cc.find_library('devmapper',
1266 required: get_option('mpath'))
1268 mpathlibs += cc.find_library('multipath',
1269 required: get_option('mpath'))
1270 foreach lib: mpathlibs
1276 if mpathlibs.length() == 0
1277 msg = 'Dependencies missing for libmpathpersist'
1278 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1279 mpathpersist = declare_dependency(dependencies: mpathlibs)
1281 msg = 'Cannot detect libmpathpersist API'
1283 if not mpathpersist.found()
1284 if get_option('mpath').enabled()
1287 warning(msg + ', disabling')
1295 if have_system and get_option('curses').allowed()
1297 #if defined(__APPLE__) || defined(__OpenBSD__)
1298 #define _XOPEN_SOURCE_EXTENDED 1
1305 setlocale(LC_ALL, "");
1307 addwstr(L"wide chars\n");
1309 add_wch(WACS_DEGREE);
1313 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1314 curses = dependency(curses_dep_list,
1316 method: 'pkg-config')
1317 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1318 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1320 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1321 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1322 version: curses.version())
1324 msg = 'curses package not usable'
1328 if not curses.found()
1329 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1330 if host_os != 'windows' and not has_curses_h
1331 message('Trying with /usr/include/ncursesw')
1332 curses_compile_args += ['-I/usr/include/ncursesw']
1333 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1336 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1337 foreach curses_libname : curses_libname_list
1338 libcurses = cc.find_library(curses_libname,
1340 if libcurses.found()
1341 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1342 curses = declare_dependency(compile_args: curses_compile_args,
1343 dependencies: [libcurses])
1346 msg = 'curses library not usable'
1352 if get_option('iconv').allowed()
1353 foreach link_args : [ ['-liconv'], [] ]
1354 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1355 # We need to use libiconv if available because mixing libiconv's headers with
1356 # the system libc does not work.
1357 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1358 # included in the command line and libiconv will not be found.
1362 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1363 return conv != (iconv_t) -1;
1364 }''', args: link_args, dependencies: glib)
1365 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1370 if curses.found() and not iconv.found()
1371 if get_option('iconv').enabled()
1372 error('iconv not available')
1374 msg = 'iconv required for curses UI but not available'
1377 if not curses.found() and msg != ''
1378 if get_option('curses').enabled()
1381 warning(msg + ', disabling')
1387 if not get_option('brlapi').auto() or have_system
1388 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1389 required: get_option('brlapi'))
1390 if brlapi.found() and not cc.links('''
1393 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1395 if get_option('brlapi').enabled()
1396 error('could not link brlapi')
1398 warning('could not link brlapi, disabling')
1404 if not get_option('sdl').auto() or have_system
1405 sdl = dependency('sdl2', required: get_option('sdl'))
1406 sdl_image = not_found
1409 # Some versions of SDL have problems with -Wundef
1410 if not cc.compiles('''
1412 #include <SDL_syswm.h>
1413 int main(int argc, char *argv[]) { return 0; }
1414 ''', dependencies: sdl, args: '-Werror=undef')
1415 sdl = declare_dependency(compile_args: '-Wno-undef',
1417 version: sdl.version())
1419 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1420 method: 'pkg-config')
1422 if get_option('sdl_image').enabled()
1423 error('sdl-image required, but SDL was @0@'.format(
1424 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1426 sdl_image = not_found
1430 if not get_option('rbd').auto() or have_block
1431 librados = cc.find_library('rados', required: get_option('rbd'))
1432 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1433 required: get_option('rbd'))
1434 if librados.found() and librbd.found()
1437 #include <rbd/librbd.h>
1440 rados_create(&cluster, NULL);
1441 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1445 }''', dependencies: [librbd, librados])
1446 rbd = declare_dependency(dependencies: [librbd, librados])
1447 elif get_option('rbd').enabled()
1448 error('librbd >= 1.12.0 required')
1450 warning('librbd >= 1.12.0 not found, disabling')
1455 glusterfs = not_found
1456 glusterfs_ftruncate_has_stat = false
1457 glusterfs_iocb_has_stat = false
1458 if not get_option('glusterfs').auto() or have_block
1459 glusterfs = dependency('glusterfs-api', version: '>=3',
1460 required: get_option('glusterfs'),
1461 method: 'pkg-config')
1462 if glusterfs.found()
1463 glusterfs_ftruncate_has_stat = cc.links('''
1464 #include <glusterfs/api/glfs.h>
1469 /* new glfs_ftruncate() passes two additional args */
1470 return glfs_ftruncate(NULL, 0, NULL, NULL);
1472 ''', dependencies: glusterfs)
1473 glusterfs_iocb_has_stat = cc.links('''
1474 #include <glusterfs/api/glfs.h>
1476 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1478 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1484 glfs_io_cbk iocb = &glusterfs_iocb;
1485 iocb(NULL, 0 , NULL, NULL, NULL);
1488 ''', dependencies: glusterfs)
1493 if get_option('hv_balloon').allowed() and have_system
1496 #include <gmodule.h>
1500 tree = g_tree_new((GCompareFunc)strcmp);
1501 (void)g_tree_node_first(tree);
1502 g_tree_destroy(tree);
1505 ''', dependencies: glib)
1508 if get_option('hv_balloon').enabled()
1509 error('could not enable hv-balloon, update your glib')
1511 warning('could not find glib support for hv-balloon, disabling')
1517 if not get_option('libssh').auto() or have_block
1518 libssh = dependency('libssh', version: '>=0.8.7',
1519 method: 'pkg-config',
1520 required: get_option('libssh'))
1523 libbzip2 = not_found
1524 if not get_option('bzip2').auto() or have_block
1525 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1526 required: get_option('bzip2'))
1527 if libbzip2.found() and not cc.links('''
1529 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1530 libbzip2 = not_found
1531 if get_option('bzip2').enabled()
1532 error('could not link libbzip2')
1534 warning('could not link libbzip2, disabling')
1539 liblzfse = not_found
1540 if not get_option('lzfse').auto() or have_block
1541 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1542 required: get_option('lzfse'))
1544 if liblzfse.found() and not cc.links('''
1546 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1547 liblzfse = not_found
1548 if get_option('lzfse').enabled()
1549 error('could not link liblzfse')
1551 warning('could not link liblzfse, disabling')
1556 if get_option('oss').allowed() and have_system
1557 if not cc.has_header('sys/soundcard.h')
1559 elif host_os == 'netbsd'
1560 oss = cc.find_library('ossaudio', required: get_option('oss'))
1562 oss = declare_dependency()
1566 if get_option('oss').enabled()
1567 error('OSS not found')
1572 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1573 if cc.has_header('dsound.h')
1574 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1577 if not dsound.found()
1578 if get_option('dsound').enabled()
1579 error('DirectSound not found')
1584 coreaudio = not_found
1585 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1586 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1587 required: get_option('coreaudio'))
1591 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1592 epoxy = dependency('epoxy', method: 'pkg-config',
1593 required: get_option('opengl'))
1594 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1596 elif get_option('opengl').enabled()
1597 error('epoxy/egl.h not found')
1601 if (have_system or have_tools) and (virgl.found() or opengl.found())
1602 gbm = dependency('gbm', method: 'pkg-config', required: false)
1604 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1607 gnutls_crypto = not_found
1608 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1609 # For general TLS support our min gnutls matches
1610 # that implied by our platform support matrix
1612 # For the crypto backends, we look for a newer
1615 # Version 3.6.8 is needed to get XTS
1616 # Version 3.6.13 is needed to get PBKDF
1617 # Version 3.6.14 is needed to get HW accelerated XTS
1619 # If newer enough gnutls isn't available, we can
1620 # still use a different crypto backend to satisfy
1621 # the platform support requirements
1622 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1623 method: 'pkg-config',
1625 if gnutls_crypto.found()
1626 gnutls = gnutls_crypto
1628 # Our min version if all we need is TLS
1629 gnutls = dependency('gnutls', version: '>=3.5.18',
1630 method: 'pkg-config',
1631 required: get_option('gnutls'))
1635 # We prefer use of gnutls for crypto, unless the options
1636 # explicitly asked for nettle or gcrypt.
1638 # If gnutls isn't available for crypto, then we'll prefer
1639 # gcrypt over nettle for performance reasons.
1643 crypto_sm4 = not_found
1646 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1647 error('Only one of gcrypt & nettle can be enabled')
1650 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1651 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1652 gnutls_crypto = not_found
1655 if not gnutls_crypto.found()
1656 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1657 gcrypt = dependency('libgcrypt', version: '>=1.8',
1658 method: 'config-tool',
1659 required: get_option('gcrypt'))
1660 # Debian has removed -lgpg-error from libgcrypt-config
1661 # as it "spreads unnecessary dependencies" which in
1662 # turn breaks static builds...
1663 if gcrypt.found() and get_option('prefer_static')
1664 gcrypt = declare_dependency(dependencies:
1666 cc.find_library('gpg-error', required: true)],
1667 version: gcrypt.version())
1670 # SM4 ALG is available in libgcrypt >= 1.9
1671 if gcrypt.found() and not cc.links('''
1674 gcry_cipher_hd_t handler;
1675 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1677 }''', dependencies: gcrypt)
1678 crypto_sm4 = not_found
1681 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1682 nettle = dependency('nettle', version: '>=3.4',
1683 method: 'pkg-config',
1684 required: get_option('nettle'))
1685 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1689 # SM4 ALG is available in nettle >= 3.9
1690 if nettle.found() and not cc.links('''
1691 #include <nettle/sm4.h>
1694 unsigned char key[16] = {0};
1695 sm4_set_encrypt_key(&ctx, key);
1697 }''', dependencies: nettle)
1698 crypto_sm4 = not_found
1703 capstone = not_found
1704 if not get_option('capstone').auto() or have_system or have_user
1705 capstone = dependency('capstone', version: '>=3.0.5',
1706 method: 'pkg-config',
1707 required: get_option('capstone'))
1709 # Some versions of capstone have broken pkg-config file
1710 # that reports a wrong -I path, causing the #include to
1711 # fail later. If the system has such a broken version
1713 if capstone.found() and not cc.compiles('#include <capstone.h>',
1714 dependencies: [capstone])
1715 capstone = not_found
1716 if get_option('capstone').enabled()
1717 error('capstone requested, but it does not appear to work')
1722 gmp = dependency('gmp', required: false, method: 'pkg-config')
1723 if nettle.found() and gmp.found()
1724 hogweed = dependency('hogweed', version: '>=3.4',
1725 method: 'pkg-config',
1726 required: get_option('nettle'))
1733 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1735 if get_option('gtk') \
1736 .disable_auto_if(not have_system) \
1737 .require(pixman.found(),
1738 error_message: 'cannot enable GTK if pixman is not available') \
1740 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1741 method: 'pkg-config',
1742 required: get_option('gtk'))
1744 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1745 method: 'pkg-config',
1747 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1748 version: gtk.version())
1750 if not get_option('vte').auto() or have_system
1751 vte = dependency('vte-2.91',
1752 method: 'pkg-config',
1753 required: get_option('vte'))
1755 elif have_gtk_clipboard
1756 error('GTK clipboard requested, but GTK not found')
1762 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1765 if get_option('png').allowed() and have_system
1766 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1767 method: 'pkg-config')
1772 if get_option('vnc') \
1773 .disable_auto_if(not have_system) \
1774 .require(pixman.found(),
1775 error_message: 'cannot enable VNC if pixman is not available') \
1777 vnc = declare_dependency() # dummy dependency
1778 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1779 method: 'pkg-config')
1780 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1781 required: get_option('vnc_sasl'))
1783 sasl = declare_dependency(dependencies: sasl,
1784 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1789 if not get_option('auth_pam').auto() or have_system
1790 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1791 required: get_option('auth_pam'))
1793 if pam.found() and not cc.links('''
1795 #include <security/pam_appl.h>
1797 const char *service_name = "qemu";
1798 const char *user = "frank";
1799 const struct pam_conv pam_conv = { 0 };
1800 pam_handle_t *pamh = NULL;
1801 pam_start(service_name, user, &pam_conv, &pamh);
1803 }''', dependencies: pam)
1805 if get_option('auth_pam').enabled()
1806 error('could not link libpam')
1808 warning('could not link libpam, disabling')
1813 if not get_option('snappy').auto() or have_system
1814 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1815 required: get_option('snappy'))
1817 if snappy.found() and not cc.links('''
1818 #include <snappy-c.h>
1819 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1821 if get_option('snappy').enabled()
1822 error('could not link libsnappy')
1824 warning('could not link libsnappy, disabling')
1829 if not get_option('lzo').auto() or have_system
1830 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1831 required: get_option('lzo'))
1833 if lzo.found() and not cc.links('''
1834 #include <lzo/lzo1x.h>
1835 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1837 if get_option('lzo').enabled()
1838 error('could not link liblzo2')
1840 warning('could not link liblzo2, disabling')
1845 if not get_option('numa').auto() or have_system or have_tools
1846 numa = cc.find_library('numa', has_headers: ['numa.h'],
1847 required: get_option('numa'))
1849 if numa.found() and not cc.links('''
1851 int main(void) { return numa_available(); }
1852 ''', dependencies: numa)
1854 if get_option('numa').enabled()
1855 error('could not link numa')
1857 warning('could not link numa, disabling')
1862 if not get_option('rdma').auto() or have_system
1863 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1864 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1865 required: get_option('rdma')),
1866 cc.find_library('ibverbs', required: get_option('rdma')),
1868 rdma = declare_dependency(dependencies: rdma_libs)
1869 foreach lib: rdma_libs
1877 if not get_option('smartcard').auto() or have_system
1878 cacard = dependency('libcacard', required: get_option('smartcard'),
1879 version: '>=2.5.1', method: 'pkg-config')
1882 if not get_option('u2f').auto() or have_system
1883 u2f = dependency('u2f-emu', required: get_option('u2f'),
1884 method: 'pkg-config')
1887 if not get_option('canokey').auto() or have_system
1888 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1889 method: 'pkg-config')
1891 usbredir = not_found
1892 if not get_option('usb_redir').auto() or have_system
1893 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1894 version: '>=0.6', method: 'pkg-config')
1897 if not get_option('libusb').auto() or have_system
1898 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1899 version: '>=1.0.13', method: 'pkg-config')
1903 if not get_option('libpmem').auto() or have_system
1904 libpmem = dependency('libpmem', required: get_option('libpmem'),
1905 method: 'pkg-config')
1907 libdaxctl = not_found
1908 if not get_option('libdaxctl').auto() or have_system
1909 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1910 version: '>=57', method: 'pkg-config')
1914 tasn1 = dependency('libtasn1',
1915 method: 'pkg-config')
1917 keyutils = not_found
1918 if not get_option('libkeyutils').auto() or have_block
1919 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1920 method: 'pkg-config')
1923 has_gettid = cc.has_function('gettid')
1926 selinux = dependency('libselinux',
1927 required: get_option('selinux'),
1928 method: 'pkg-config')
1933 if get_option('malloc') == 'system'
1935 get_option('malloc_trim').allowed() and \
1936 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1938 has_malloc_trim = false
1939 malloc = cc.find_library(get_option('malloc'), required: true)
1941 if not has_malloc_trim and get_option('malloc_trim').enabled()
1942 if get_option('malloc') == 'system'
1943 error('malloc_trim not available on this platform.')
1945 error('malloc_trim not available with non-libc memory allocator')
1949 gnu_source_prefix = '''
1955 # Check whether the glibc provides STATX_BASIC_STATS
1957 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1959 # Check whether statx() provides mount ID information
1961 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1963 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1964 .require(host_os == 'linux',
1965 error_message: 'vhost_user_blk_server requires linux') \
1966 .require(have_vhost_user,
1967 error_message: 'vhost_user_blk_server requires vhost-user support') \
1968 .disable_auto_if(not have_tools and not have_system) \
1971 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1972 error('Cannot enable fuse-lseek while fuse is disabled')
1975 fuse = dependency('fuse3', required: get_option('fuse'),
1976 version: '>=3.1', method: 'pkg-config')
1978 fuse_lseek = not_found
1979 if get_option('fuse_lseek').allowed()
1980 if fuse.version().version_compare('>=3.8')
1982 fuse_lseek = declare_dependency()
1983 elif get_option('fuse_lseek').enabled()
1985 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1987 error('fuse-lseek requires libfuse, which was not found')
1992 have_libvduse = (host_os == 'linux')
1993 if get_option('libvduse').enabled()
1994 if host_os != 'linux'
1995 error('libvduse requires linux')
1997 elif get_option('libvduse').disabled()
1998 have_libvduse = false
2001 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2002 if get_option('vduse_blk_export').enabled()
2003 if host_os != 'linux'
2004 error('vduse_blk_export requires linux')
2005 elif not have_libvduse
2006 error('vduse_blk_export requires libvduse support')
2008 elif get_option('vduse_blk_export').disabled()
2009 have_vduse_blk_export = false
2013 bpf_version = '1.1.0'
2014 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2015 if libbpf.found() and not cc.links('''
2016 #include <bpf/libbpf.h>
2017 #include <linux/bpf.h>
2020 // check flag availability
2021 int flag = BPF_F_MMAPABLE;
2022 bpf_object__destroy_skeleton(NULL);
2024 }''', dependencies: libbpf)
2026 if get_option('bpf').enabled()
2027 error('libbpf skeleton/mmaping test failed')
2029 warning('libbpf skeleton/mmaping test failed, disabling')
2035 if not get_option('af_xdp').auto() or have_system
2036 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2037 version: '>=1.4.0', method: 'pkg-config')
2042 if not get_option('libdw').auto() or \
2043 (not get_option('prefer_static') and (have_system or have_user))
2044 libdw = dependency('libdw',
2045 method: 'pkg-config',
2046 required: get_option('libdw'))
2053 config_host_data = configuration_data()
2055 audio_drivers_selected = []
2057 audio_drivers_available = {
2058 'alsa': alsa.found(),
2059 'coreaudio': coreaudio.found(),
2060 'dsound': dsound.found(),
2061 'jack': jack.found(),
2063 'pa': pulse.found(),
2064 'pipewire': pipewire.found(),
2066 'sndio': sndio.found(),
2068 foreach k, v: audio_drivers_available
2069 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2072 # Default to native drivers first, OSS second, SDL third
2073 audio_drivers_priority = \
2074 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2075 (host_os == 'linux' ? [] : [ 'sdl' ])
2076 audio_drivers_default = []
2077 foreach k: audio_drivers_priority
2078 if audio_drivers_available[k]
2079 audio_drivers_default += k
2083 foreach k: get_option('audio_drv_list')
2085 audio_drivers_selected += audio_drivers_default
2086 elif not audio_drivers_available[k]
2087 error('Audio driver "@0@" not available.'.format(k))
2089 audio_drivers_selected += k
2093 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2094 '"' + '", "'.join(audio_drivers_selected) + '", ')
2096 have_host_block_device = (host_os != 'darwin' or
2097 cc.has_header('IOKit/storage/IOMedia.h'))
2099 dbus_display = get_option('dbus_display') \
2100 .require(gio.version().version_compare('>=2.64'),
2101 error_message: '-display dbus requires glib>=2.64') \
2102 .require(gdbus_codegen.found(),
2103 error_message: gdbus_codegen_error.format('-display dbus')) \
2106 have_virtfs = get_option('virtfs') \
2107 .require(host_os == 'linux' or host_os == 'darwin',
2108 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2109 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2110 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2111 .require(host_os == 'darwin' or libattr.found(),
2112 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2113 .disable_auto_if(not have_tools and not have_system) \
2116 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2117 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2118 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2119 .disable_auto_if(not have_tools) \
2120 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2123 if get_option('block_drv_ro_whitelist') == ''
2124 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2126 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2127 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2129 if get_option('block_drv_rw_whitelist') == ''
2130 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2132 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2133 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2136 foreach k : get_option('trace_backends')
2137 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2139 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2140 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2142 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2144 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2145 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2146 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2147 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2148 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2150 qemu_firmwarepath = ''
2151 foreach k : get_option('qemu_firmwarepath')
2152 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2154 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2156 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2157 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2158 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2159 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2160 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2161 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2164 config_host_data.set('CONFIG_STAMP', run_command(
2165 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2166 meson.project_version(), get_option('pkgversion'), '--',
2167 meson.current_source_dir() / 'configure',
2168 capture: true, check: true).stdout().strip())
2171 have_slirp_smbd = get_option('slirp_smbd') \
2172 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2175 smbd_path = get_option('smbd')
2177 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2179 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2182 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2184 kvm_targets_c = '""'
2185 if get_option('kvm').allowed() and host_os == 'linux'
2186 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2188 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2190 if get_option('module_upgrades') and not enable_modules
2191 error('Cannot enable module-upgrades as modules are not enabled')
2193 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2195 config_host_data.set('CONFIG_ATTR', libattr.found())
2196 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2197 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2198 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2199 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2200 config_host_data.set('CONFIG_COCOA', cocoa.found())
2201 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2202 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2203 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2204 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2205 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2206 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2207 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2208 config_host_data.set('CONFIG_LZO', lzo.found())
2209 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2210 config_host_data.set('CONFIG_BLKIO', blkio.found())
2212 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2213 blkio.version().version_compare('>=1.3.0'))
2215 config_host_data.set('CONFIG_CURL', curl.found())
2216 config_host_data.set('CONFIG_CURSES', curses.found())
2217 config_host_data.set('CONFIG_GBM', gbm.found())
2218 config_host_data.set('CONFIG_GIO', gio.found())
2219 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2220 if glusterfs.found()
2221 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2222 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2223 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2224 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2225 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2226 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2228 config_host_data.set('CONFIG_GTK', gtk.found())
2229 config_host_data.set('CONFIG_VTE', vte.found())
2230 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2231 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2232 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2233 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2234 config_host_data.set('CONFIG_EBPF', libbpf.found())
2235 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2236 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2237 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2238 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2239 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2240 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2241 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2242 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2243 config_host_data.set('CONFIG_MODULES', enable_modules)
2244 config_host_data.set('CONFIG_NUMA', numa.found())
2246 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2247 cc.has_function('numa_has_preferred_many',
2248 dependencies: numa))
2250 config_host_data.set('CONFIG_OPENGL', opengl.found())
2251 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2252 config_host_data.set('CONFIG_RBD', rbd.found())
2253 config_host_data.set('CONFIG_RDMA', rdma.found())
2254 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2255 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2256 config_host_data.set('CONFIG_SDL', sdl.found())
2257 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2258 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2260 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2262 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2263 config_host_data.set('CONFIG_SLIRP', slirp.found())
2264 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2265 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2266 if get_option('tcg').allowed()
2267 config_host_data.set('CONFIG_TCG', 1)
2268 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2270 config_host_data.set('CONFIG_TPM', have_tpm)
2271 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2272 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2273 config_host_data.set('CONFIG_VDE', vde.found())
2274 config_host_data.set('CONFIG_VHOST', have_vhost)
2275 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2276 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2277 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2278 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2279 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2280 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2281 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2282 config_host_data.set('CONFIG_VMNET', vmnet.found())
2283 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2284 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2285 config_host_data.set('CONFIG_PNG', png.found())
2286 config_host_data.set('CONFIG_VNC', vnc.found())
2287 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2288 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2290 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2291 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2292 prefix: '#include <virglrenderer.h>',
2293 dependencies: virgl))
2295 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2296 config_host_data.set('CONFIG_VTE', vte.found())
2297 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2298 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2299 config_host_data.set('CONFIG_GETTID', has_gettid)
2300 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2301 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2302 config_host_data.set('CONFIG_TASN1', tasn1.found())
2303 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2304 config_host_data.set('CONFIG_NETTLE', nettle.found())
2305 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2306 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2307 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2308 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2309 config_host_data.set('CONFIG_STATX', has_statx)
2310 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2311 config_host_data.set('CONFIG_ZSTD', zstd.found())
2312 config_host_data.set('CONFIG_FUSE', fuse.found())
2313 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2314 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2315 if spice_protocol.found()
2316 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2317 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2318 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2320 config_host_data.set('CONFIG_SPICE', spice.found())
2321 config_host_data.set('CONFIG_X11', x11.found())
2322 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2323 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2324 config_host_data.set('CONFIG_SELINUX', selinux.found())
2325 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2326 config_host_data.set('CONFIG_LIBDW', libdw.found())
2328 # protect from xen.version() having less than three components
2329 xen_version = xen.version().split('.') + ['0', '0']
2330 xen_ctrl_version = xen_version[0] + \
2331 ('0' + xen_version[1]).substring(-2) + \
2332 ('0' + xen_version[2]).substring(-2)
2333 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2335 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2336 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2337 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2338 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2340 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2341 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2343 have_coroutine_pool = get_option('coroutine_pool')
2344 if get_option('debug_stack_usage') and have_coroutine_pool
2345 message('Disabling coroutine pool to measure stack usage')
2346 have_coroutine_pool = false
2348 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2349 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2350 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2351 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2352 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2353 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2354 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2355 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2358 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2359 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2360 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2361 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2362 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2363 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2364 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2365 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2366 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2367 if host_os == 'windows'
2368 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2372 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2373 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2374 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2375 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2376 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2377 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2378 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2379 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2380 # Note that we need to specify prefix: here to avoid incorrectly
2381 # thinking that Windows has posix_memalign()
2382 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2383 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2384 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2385 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2386 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2387 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2388 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2389 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2390 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2391 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2392 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2393 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2394 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2395 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2396 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2397 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2398 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2399 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2401 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2402 cc.has_function('rbd_namespace_exists',
2404 prefix: '#include <rbd/librbd.h>'))
2407 config_host_data.set('HAVE_IBV_ADVISE_MR',
2408 cc.has_function('ibv_advise_mr',
2410 prefix: '#include <infiniband/verbs.h>'))
2413 have_asan_fiber = false
2414 if get_option('sanitizers') and \
2415 not cc.has_function('__sanitizer_start_switch_fiber',
2416 args: '-fsanitize=address',
2417 prefix: '#include <sanitizer/asan_interface.h>')
2418 warning('Missing ASAN due to missing fiber annotation interface')
2419 warning('Without code annotation, the report may be inferior.')
2421 have_asan_fiber = true
2423 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2425 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2426 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2428 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2430 inotify = cc.find_library('inotify')
2431 if have_inotify_init
2432 have_inotify_init = inotify.found()
2434 if have_inotify_init1
2435 have_inotify_init1 = inotify.found()
2438 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2439 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2442 config_host_data.set('CONFIG_BLKZONED',
2443 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2444 config_host_data.set('CONFIG_EPOLL_CREATE1',
2445 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2446 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2447 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2448 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2449 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2450 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2451 config_host_data.set('CONFIG_FIEMAP',
2452 cc.has_header('linux/fiemap.h') and
2453 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2454 config_host_data.set('CONFIG_GETRANDOM',
2455 cc.has_function('getrandom') and
2456 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2457 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2458 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2459 config_host_data.set('CONFIG_RTNETLINK',
2460 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2461 config_host_data.set('CONFIG_SYSMACROS',
2462 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2463 config_host_data.set('HAVE_OPTRESET',
2464 cc.has_header_symbol('getopt.h', 'optreset'))
2465 config_host_data.set('HAVE_IPPROTO_MPTCP',
2466 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2469 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2470 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2471 prefix: '#include <signal.h>'))
2472 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2473 cc.has_member('struct stat', 'st_atim',
2474 prefix: '#include <sys/stat.h>'))
2475 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2476 cc.has_member('struct blk_zone', 'capacity',
2477 prefix: '#include <linux/blkzoned.h>'))
2480 config_host_data.set('CONFIG_IOVEC',
2481 cc.has_type('struct iovec',
2482 prefix: '#include <sys/uio.h>'))
2483 config_host_data.set('HAVE_UTMPX',
2484 cc.has_type('struct utmpx',
2485 prefix: '#include <utmpx.h>'))
2487 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2488 #include <sys/eventfd.h>
2489 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2490 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2493 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2494 return fdatasync(0);
2496 #error Not supported
2500 has_madvise = cc.links(gnu_source_prefix + '''
2501 #include <sys/types.h>
2502 #include <sys/mman.h>
2504 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2505 missing_madvise_proto = false
2507 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2508 # but forget to prototype it. In this case, has_madvise will be true (the
2509 # test program links despite a compile warning). To detect the
2510 # missing-prototype case, we try again with a definitely-bogus prototype.
2511 # This will only compile if the system headers don't provide the prototype;
2512 # otherwise the conflicting prototypes will cause a compiler error.
2513 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2514 #include <sys/types.h>
2515 #include <sys/mman.h>
2517 extern int madvise(int);
2518 int main(void) { return madvise(0); }''')
2520 config_host_data.set('CONFIG_MADVISE', has_madvise)
2521 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2523 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2524 #include <sys/mman.h>
2525 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2526 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2528 #if !defined(AT_EMPTY_PATH)
2529 # error missing definition
2531 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2533 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2534 #include <sys/mman.h>
2536 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2538 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2539 #include <pthread.h>
2541 static void *f(void *p) { return NULL; }
2545 pthread_create(&thread, 0, f, 0);
2546 pthread_setname_np(thread, "QEMU");
2548 }''', dependencies: threads))
2549 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2550 #include <pthread.h>
2552 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2556 pthread_create(&thread, 0, f, 0);
2558 }''', dependencies: threads))
2559 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2560 #include <pthread.h>
2561 #include <pthread_np.h>
2563 static void *f(void *p) { return NULL; }
2567 pthread_create(&thread, 0, f, 0);
2568 pthread_set_name_np(thread, "QEMU");
2570 }''', dependencies: threads))
2571 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2572 #include <pthread.h>
2577 pthread_condattr_t attr
2578 pthread_condattr_init(&attr);
2579 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2581 }''', dependencies: threads))
2582 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2583 #include <pthread.h>
2585 static void *f(void *p) { return NULL; }
2588 int setsize = CPU_ALLOC_SIZE(64);
2591 pthread_create(&thread, 0, f, 0);
2592 cpuset = CPU_ALLOC(64);
2593 CPU_ZERO_S(setsize, cpuset);
2594 pthread_setaffinity_np(thread, setsize, cpuset);
2595 pthread_getaffinity_np(thread, setsize, cpuset);
2598 }''', dependencies: threads))
2599 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2600 #include <sys/signalfd.h>
2602 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2603 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2611 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2612 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2616 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2617 #include <sys/mman.h>
2619 return mlockall(MCL_FUTURE);
2623 if get_option('l2tpv3').allowed() and have_system
2624 have_l2tpv3 = cc.has_type('struct mmsghdr',
2625 prefix: gnu_source_prefix + '''
2626 #include <sys/socket.h>
2627 #include <linux/ip.h>''')
2629 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2632 if get_option('netmap').allowed() and have_system
2633 have_netmap = cc.compiles('''
2634 #include <inttypes.h>
2636 #include <net/netmap.h>
2637 #include <net/netmap_user.h>
2638 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2641 int main(void) { return 0; }''')
2642 if not have_netmap and get_option('netmap').enabled()
2643 error('Netmap headers not available')
2646 config_host_data.set('CONFIG_NETMAP', have_netmap)
2648 # Work around a system header bug with some kernel/XFS header
2649 # versions where they both try to define 'struct fsxattr':
2650 # xfs headers will not try to redefine structs from linux headers
2651 # if this macro is set.
2652 config_host_data.set('HAVE_FSXATTR', cc.links('''
2653 #include <linux/fs.h>
2659 # Some versions of Mac OS X incorrectly define SIZE_MAX
2660 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2664 return printf("%zu", SIZE_MAX);
2665 }''', args: ['-Werror']))
2667 # See if 64-bit atomic operations are supported.
2668 # Note that without __atomic builtins, we can only
2669 # assume atomic loads/stores max at pointer size.
2670 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2674 uint64_t x = 0, y = 0;
2675 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2676 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2677 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2678 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2679 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2683 has_int128_type = cc.compiles('''
2686 int main(void) { b = a; }''')
2687 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2689 has_int128 = has_int128_type and cc.links('''
2698 config_host_data.set('CONFIG_INT128', has_int128)
2701 # "do we have 128-bit atomics which are handled inline and specifically not
2702 # via libatomic". The reason we can't use libatomic is documented in the
2703 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2704 # We only care about these operations on 16-byte aligned pointers, so
2705 # force 16-byte alignment of the pointer, which may be greater than
2706 # __alignof(unsigned __int128) for the host.
2707 atomic_test_128 = '''
2708 int main(int ac, char **av) {
2709 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2710 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2711 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2712 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2715 has_atomic128 = cc.links(atomic_test_128)
2717 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2719 if not has_atomic128
2720 # Even with __builtin_assume_aligned, the above test may have failed
2721 # without optimization enabled. Try again with optimizations locally
2722 # enabled for the function. See
2723 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2724 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2725 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2727 if not has_atomic128_opt
2728 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2731 __uint128_t x = 0, y = 0;
2732 __sync_val_compare_and_swap_16(&x, y, x);
2740 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2741 #include <sys/auxv.h>
2743 return getauxval(AT_HWCAP) == 0;
2746 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2747 #include <linux/usbdevice_fs.h>
2749 #ifndef USBDEVFS_GET_CAPABILITIES
2750 #error "USBDEVFS_GET_CAPABILITIES undefined"
2753 #ifndef USBDEVFS_DISCONNECT_CLAIM
2754 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2757 int main(void) { return 0; }'''))
2759 have_keyring = get_option('keyring') \
2760 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2761 .require(cc.compiles('''
2763 #include <asm/unistd.h>
2764 #include <linux/keyctl.h>
2765 #include <sys/syscall.h>
2768 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2769 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2770 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2772 have_cpuid_h = cc.links('''
2775 unsigned a, b, c, d;
2776 unsigned max = __get_cpuid_max(0, 0);
2779 __cpuid(1, a, b, c, d);
2783 __cpuid_count(7, 0, a, b, c, d);
2788 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2790 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2791 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2792 .require(cc.links('''
2794 #include <immintrin.h>
2795 static int __attribute__((target("avx2"))) bar(void *a) {
2796 __m256i x = *(__m256i *)a;
2797 return _mm256_testz_si256(x, x);
2799 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2800 '''), error_message: 'AVX2 not available').allowed())
2802 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2803 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2804 .require(cc.links('''
2806 #include <immintrin.h>
2807 static int __attribute__((target("avx512f"))) bar(void *a) {
2808 __m512i x = *(__m512i *)a;
2809 return _mm512_test_epi64_mask(x, x);
2811 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2812 '''), error_message: 'AVX512F not available').allowed())
2814 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2815 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2816 .require(cc.links('''
2818 #include <immintrin.h>
2819 static int __attribute__((target("avx512bw"))) bar(void *a) {
2821 __m512i res= _mm512_abs_epi8(*x);
2824 int main(int argc, char *argv[]) { return bar(argv[0]); }
2825 '''), error_message: 'AVX512BW not available').allowed())
2827 # For both AArch64 and AArch32, detect if builtins are available.
2828 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2829 #include <arm_neon.h>
2830 #ifndef __ARM_FEATURE_AES
2831 __attribute__((target("+crypto")))
2833 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2836 have_pvrdma = get_option('pvrdma') \
2837 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2838 .require(cc.compiles(gnu_source_prefix + '''
2839 #include <sys/mman.h>
2844 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2847 }'''), error_message: 'PVRDMA requires mremap').allowed()
2850 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2851 #include <infiniband/verbs.h>
2855 struct ibv_pd *pd = NULL;
2861 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2867 if get_option('membarrier').disabled()
2868 have_membarrier = false
2869 elif host_os == 'windows'
2870 have_membarrier = true
2871 elif host_os == 'linux'
2872 have_membarrier = cc.compiles('''
2873 #include <linux/membarrier.h>
2874 #include <sys/syscall.h>
2878 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2879 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2883 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2884 .require(have_membarrier, error_message: 'membarrier system call not available') \
2887 have_afalg = get_option('crypto_afalg') \
2888 .require(cc.compiles(gnu_source_prefix + '''
2890 #include <sys/types.h>
2891 #include <sys/socket.h>
2892 #include <linux/if_alg.h>
2895 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2898 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2899 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2901 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2902 'linux/vm_sockets.h', 'AF_VSOCK',
2903 prefix: '#include <sys/socket.h>',
2907 have_vss_sdk = false # old xp/2003 SDK
2908 if host_os == 'windows' and 'cpp' in all_languages
2909 have_vss = cxx.compiles('''
2910 #define __MIDL_user_allocate_free_DEFINED__
2912 int main(void) { return VSS_CTX_BACKUP; }''')
2913 have_vss_sdk = cxx.has_header('vscoordint.h')
2915 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2917 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2918 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2919 if host_os == 'windows'
2920 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2926 }''', name: '_lock_file and _unlock_file'))
2929 if host_os == 'windows'
2930 mingw_has_setjmp_longjmp = cc.links('''
2934 * These functions are not available in setjmp header, but may be
2935 * available at link time, from libmingwex.a.
2937 extern int __mingw_setjmp(jmp_buf);
2938 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2940 __mingw_setjmp(env);
2941 __mingw_longjmp(env, 0);
2943 ''', name: 'mingw setjmp and longjmp')
2945 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2946 error('mingw must provide setjmp/longjmp for windows-arm64')
2950 ########################
2951 # Target configuration #
2952 ########################
2954 minikconf = find_program('scripts/minikconf.py')
2956 config_all_accel = {}
2957 config_all_devices = {}
2958 config_devices_mak_list = []
2959 config_devices_h = {}
2960 config_target_h = {}
2961 config_target_mak = {}
2964 'alpha' : ['CONFIG_ALPHA_DIS'],
2965 'avr' : ['CONFIG_AVR_DIS'],
2966 'cris' : ['CONFIG_CRIS_DIS'],
2967 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2968 'hppa' : ['CONFIG_HPPA_DIS'],
2969 'i386' : ['CONFIG_I386_DIS'],
2970 'x86_64' : ['CONFIG_I386_DIS'],
2971 'm68k' : ['CONFIG_M68K_DIS'],
2972 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2973 'mips' : ['CONFIG_MIPS_DIS'],
2974 'nios2' : ['CONFIG_NIOS2_DIS'],
2975 'or1k' : ['CONFIG_OPENRISC_DIS'],
2976 'ppc' : ['CONFIG_PPC_DIS'],
2977 'riscv' : ['CONFIG_RISCV_DIS'],
2978 'rx' : ['CONFIG_RX_DIS'],
2979 's390' : ['CONFIG_S390_DIS'],
2980 'sh4' : ['CONFIG_SH4_DIS'],
2981 'sparc' : ['CONFIG_SPARC_DIS'],
2982 'xtensa' : ['CONFIG_XTENSA_DIS'],
2983 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2986 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2988 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2989 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2990 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2991 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2992 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2993 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2994 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2995 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2996 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2997 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2998 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2999 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
3000 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
3001 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
3002 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
3003 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
3005 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
3007 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
3008 actual_target_dirs = []
3010 foreach target : target_dirs
3011 config_target = { 'TARGET_NAME': target.split('-')[0] }
3012 if target.endswith('linux-user')
3013 if host_os != 'linux'
3017 error('Target @0@ is only available on a Linux host'.format(target))
3019 config_target += { 'CONFIG_LINUX_USER': 'y' }
3020 elif target.endswith('bsd-user')
3021 if host_os not in bsd_oses
3025 error('Target @0@ is only available on a BSD host'.format(target))
3027 config_target += { 'CONFIG_BSD_USER': 'y' }
3028 elif target.endswith('softmmu')
3029 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3030 config_target += { 'CONFIG_SOFTMMU': 'y' }
3032 if target.endswith('-user')
3034 'CONFIG_USER_ONLY': 'y',
3035 'CONFIG_QEMU_INTERP_PREFIX':
3036 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3041 foreach sym: accelerators
3042 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3043 config_target += { sym: 'y' }
3044 config_all_accel += { sym: 'y' }
3045 if target in modular_tcg
3046 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3048 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3050 accel_kconfig += [ sym + '=y' ]
3053 if accel_kconfig.length() == 0
3057 error('No accelerator available for target @0@'.format(target))
3060 actual_target_dirs += target
3061 config_target += keyval.load('configs/targets' / target + '.mak')
3062 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3064 if 'TARGET_NEED_FDT' in config_target
3065 fdt_required += target
3069 if 'TARGET_BASE_ARCH' not in config_target
3070 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3072 if 'TARGET_ABI_DIR' not in config_target
3073 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3075 if 'TARGET_BIG_ENDIAN' not in config_target
3076 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3079 foreach k, v: disassemblers
3080 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3082 config_target += { sym: 'y' }
3087 config_target_data = configuration_data()
3088 foreach k, v: config_target
3089 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3091 elif ignored.contains(k)
3093 elif k == 'TARGET_BASE_ARCH'
3094 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3095 # not used to select files from sourcesets.
3096 config_target_data.set('TARGET_' + v.to_upper(), 1)
3097 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3098 config_target_data.set_quoted(k, v)
3100 config_target_data.set(k, 1)
3102 config_target_data.set(k, 0)
3104 config_target_data.set(k, v)
3107 config_target_data.set('QEMU_ARCH',
3108 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3109 config_target_h += {target: configure_file(output: target + '-config-target.h',
3110 configuration: config_target_data)}
3112 if target.endswith('-softmmu')
3113 config_input = meson.get_external_property(target, 'default')
3114 config_devices_mak = target + '-config-devices.mak'
3115 config_devices_mak = configure_file(
3116 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3117 output: config_devices_mak,
3118 depfile: config_devices_mak + '.d',
3120 command: [minikconf,
3121 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3122 config_devices_mak, '@DEPFILE@', '@INPUT@',
3123 host_kconfig, accel_kconfig,
3124 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3126 config_devices_data = configuration_data()
3127 config_devices = keyval.load(config_devices_mak)
3128 foreach k, v: config_devices
3129 config_devices_data.set(k, 1)
3131 config_devices_mak_list += config_devices_mak
3132 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3133 configuration: config_devices_data)}
3134 config_target += config_devices
3135 config_all_devices += config_devices
3137 config_target_mak += {target: config_target}
3139 target_dirs = actual_target_dirs
3141 target_configs_h = []
3142 foreach target: target_dirs
3143 target_configs_h += config_target_h[target]
3144 target_configs_h += config_devices_h.get(target, [])
3146 genh += custom_target('config-poison.h',
3147 input: [target_configs_h],
3148 output: 'config-poison.h',
3150 command: [find_program('scripts/make-config-poison.sh'),
3157 libvfio_user_dep = not_found
3158 if have_system and vfio_user_server_allowed
3159 libvfio_user_proj = subproject('libvfio-user', required: true)
3160 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3164 fdt_opt = get_option('fdt')
3165 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3166 if fdt_opt == 'disabled'
3167 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3170 if fdt_opt in ['enabled', 'auto', 'system']
3171 if get_option('wrap_mode') == 'nodownload'
3174 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3175 if fdt.found() and cc.links('''
3177 #include <libfdt_env.h>
3178 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3181 elif fdt_opt == 'system'
3182 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3184 fdt_opt = 'internal'
3189 assert(fdt_opt == 'internal')
3190 libfdt_proj = subproject('dtc', required: true,
3191 default_options: ['tools=false', 'yaml=disabled',
3192 'python=disabled', 'default_library=static'])
3193 fdt = libfdt_proj.get_variable('libfdt_dep')
3196 fdt_opt = 'disabled'
3199 config_host_data.set('CONFIG_FDT', fdt.found())
3201 vhost_user = not_found
3202 if host_os == 'linux' and have_vhost_user
3203 libvhost_user = subproject('libvhost-user')
3204 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3207 libvduse = not_found
3209 libvduse_proj = subproject('libvduse')
3210 libvduse = libvduse_proj.get_variable('libvduse_dep')
3213 #####################
3214 # Generated sources #
3215 #####################
3217 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3219 hxtool = find_program('scripts/hxtool')
3220 shaderinclude = find_program('scripts/shaderinclude.py')
3221 qapi_gen = find_program('scripts/qapi-gen.py')
3222 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3223 meson.current_source_dir() / 'scripts/qapi/commands.py',
3224 meson.current_source_dir() / 'scripts/qapi/common.py',
3225 meson.current_source_dir() / 'scripts/qapi/error.py',
3226 meson.current_source_dir() / 'scripts/qapi/events.py',
3227 meson.current_source_dir() / 'scripts/qapi/expr.py',
3228 meson.current_source_dir() / 'scripts/qapi/gen.py',
3229 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3230 meson.current_source_dir() / 'scripts/qapi/main.py',
3231 meson.current_source_dir() / 'scripts/qapi/parser.py',
3232 meson.current_source_dir() / 'scripts/qapi/schema.py',
3233 meson.current_source_dir() / 'scripts/qapi/source.py',
3234 meson.current_source_dir() / 'scripts/qapi/types.py',
3235 meson.current_source_dir() / 'scripts/qapi/visit.py',
3236 meson.current_source_dir() / 'scripts/qapi-gen.py'
3240 python, files('scripts/tracetool.py'),
3241 '--backend=' + ','.join(get_option('trace_backends'))
3243 tracetool_depends = files(
3244 'scripts/tracetool/backend/log.py',
3245 'scripts/tracetool/backend/__init__.py',
3246 'scripts/tracetool/backend/dtrace.py',
3247 'scripts/tracetool/backend/ftrace.py',
3248 'scripts/tracetool/backend/simple.py',
3249 'scripts/tracetool/backend/syslog.py',
3250 'scripts/tracetool/backend/ust.py',
3251 'scripts/tracetool/format/ust_events_c.py',
3252 'scripts/tracetool/format/ust_events_h.py',
3253 'scripts/tracetool/format/__init__.py',
3254 'scripts/tracetool/format/d.py',
3255 'scripts/tracetool/format/simpletrace_stap.py',
3256 'scripts/tracetool/format/c.py',
3257 'scripts/tracetool/format/h.py',
3258 'scripts/tracetool/format/log_stap.py',
3259 'scripts/tracetool/format/stap.py',
3260 'scripts/tracetool/__init__.py',
3261 'scripts/tracetool/vcpu.py'
3264 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3265 meson.current_source_dir(),
3266 get_option('pkgversion'), meson.project_version()]
3267 qemu_version = custom_target('qemu-version.h',
3268 output: 'qemu-version.h',
3269 command: qemu_version_cmd,
3271 build_by_default: true,
3272 build_always_stale: true)
3273 genh += qemu_version
3277 ['qemu-options.hx', 'qemu-options.def'],
3278 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3282 ['hmp-commands.hx', 'hmp-commands.h'],
3283 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3286 foreach d : hx_headers
3287 hxdep += custom_target(d[1],
3291 command: [hxtool, '-h', '@INPUT0@'])
3299 # TODO: add each directory to the subdirs from its own meson.build, once
3301 trace_events_subdirs = [
3310 trace_events_subdirs += [ 'linux-user' ]
3313 trace_events_subdirs += [ 'bsd-user' ]
3316 trace_events_subdirs += [
3325 trace_events_subdirs += [
3390 if have_system or have_user
3391 trace_events_subdirs += [
3414 authz_ss = ss.source_set()
3415 blockdev_ss = ss.source_set()
3416 block_ss = ss.source_set()
3417 chardev_ss = ss.source_set()
3418 common_ss = ss.source_set()
3419 crypto_ss = ss.source_set()
3420 hwcore_ss = ss.source_set()
3421 io_ss = ss.source_set()
3422 qmp_ss = ss.source_set()
3423 qom_ss = ss.source_set()
3424 system_ss = ss.source_set()
3425 specific_fuzz_ss = ss.source_set()
3426 specific_ss = ss.source_set()
3427 stub_ss = ss.source_set()
3428 trace_ss = ss.source_set()
3429 user_ss = ss.source_set()
3430 util_ss = ss.source_set()
3433 qtest_module_ss = ss.source_set()
3434 tcg_module_ss = ss.source_set()
3440 target_system_arch = {}
3441 target_user_arch = {}
3443 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3444 # that is filled in by qapi/.
3462 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3463 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3466 qom_ss = qom_ss.apply({})
3467 libqom = static_library('qom', qom_ss.sources() + genh,
3468 dependencies: [qom_ss.dependencies()],
3470 build_by_default: false)
3471 qom = declare_dependency(link_whole: libqom)
3473 event_loop_base = files('event-loop-base.c')
3474 event_loop_base = static_library('event-loop-base',
3475 sources: event_loop_base + genh,
3477 build_by_default: false)
3478 event_loop_base = declare_dependency(link_whole: event_loop_base,
3479 dependencies: [qom])
3481 stub_ss = stub_ss.apply({})
3483 util_ss.add_all(trace_ss)
3484 util_ss = util_ss.apply({})
3485 libqemuutil = static_library('qemuutil',
3486 build_by_default: false,
3487 sources: util_ss.sources() + stub_ss.sources() + genh,
3488 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3489 qemuutil = declare_dependency(link_with: libqemuutil,
3490 sources: genh + version_res,
3491 dependencies: [event_loop_base])
3493 if have_system or have_user
3494 decodetree = generator(find_program('scripts/decodetree.py'),
3495 output: 'decode-@BASENAME@.c.inc',
3496 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3497 subdir('libdecnumber')
3514 if config_host_data.get('CONFIG_REPLICATION')
3515 block_ss.add(files('replication.c'))
3522 blockdev_ss.add(files(
3529 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3530 # os-win32.c does not
3531 if host_os == 'windows'
3532 system_ss.add(files('os-win32.c'))
3534 blockdev_ss.add(files('os-posix.c'))
3538 common_ss.add(files('cpu-common.c'))
3539 specific_ss.add(files('cpu-target.c'))
3543 # Work around a gcc bug/misfeature wherein constant propagation looks
3545 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3546 # to guess that a const variable is always zero. Without lto, this is
3547 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3548 # without lto, not even the alias is required -- we simply use different
3549 # declarations in different compilation units.
3550 pagevary = files('page-vary-common.c')
3551 if get_option('b_lto')
3552 pagevary_flags = ['-fno-lto']
3553 if get_option('cfi')
3554 pagevary_flags += '-fno-sanitize=cfi-icall'
3556 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3557 c_args: pagevary_flags)
3558 pagevary = declare_dependency(link_with: pagevary)
3560 common_ss.add(pagevary)
3561 specific_ss.add(files('page-vary-target.c'))
3569 subdir('semihosting')
3577 common_user_inc = []
3579 subdir('common-user')
3581 subdir('linux-user')
3583 # needed for fuzzing binaries
3584 subdir('tests/qtest/libqos')
3585 subdir('tests/qtest/fuzz')
3588 tcg_real_module_ss = ss.source_set()
3589 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3590 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3591 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3592 'tcg': tcg_real_module_ss }}
3594 ##############################################
3595 # Internal static_libraries and dependencies #
3596 ##############################################
3598 modinfo_collect = find_program('scripts/modinfo-collect.py')
3599 modinfo_generate = find_program('scripts/modinfo-generate.py')
3604 foreach d, list : modules
3605 if not (d == 'block' ? have_block : have_system)
3609 foreach m, module_ss : list
3611 module_ss = module_ss.apply(config_all_devices, strict: false)
3612 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3613 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3619 if module_ss.sources() != []
3620 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3621 # input. Sources can be used multiple times but objects are
3622 # unique when it comes to lookup in compile_commands.json.
3623 # Depnds on a mesion version with
3624 # https://github.com/mesonbuild/meson/pull/8900
3625 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3626 output: d + '-' + m + '.modinfo',
3627 input: module_ss.sources() + genh,
3629 command: [modinfo_collect, module_ss.sources()])
3633 block_ss.add_all(module_ss)
3635 system_ss.add_all(module_ss)
3641 foreach d, list : target_modules
3642 foreach m, module_ss : list
3644 foreach target : target_dirs
3645 if target.endswith('-softmmu')
3646 config_target = config_target_mak[target]
3647 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3648 c_args = ['-DNEED_CPU_H',
3649 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3650 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3651 target_module_ss = module_ss.apply(config_target, strict: false)
3652 if target_module_ss.sources() != []
3653 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3654 sl = static_library(module_name,
3655 [genh, target_module_ss.sources()],
3656 dependencies: [modulecommon, target_module_ss.dependencies()],
3657 include_directories: target_inc,
3661 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3662 modinfo_files += custom_target(module_name + '.modinfo',
3663 output: module_name + '.modinfo',
3664 input: target_module_ss.sources() + genh,
3666 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3671 specific_ss.add_all(module_ss)
3677 foreach target : target_dirs
3678 if target.endswith('-softmmu')
3679 config_target = config_target_mak[target]
3680 config_devices_mak = target + '-config-devices.mak'
3681 modinfo_src = custom_target('modinfo-' + target + '.c',
3682 output: 'modinfo-' + target + '.c',
3683 input: modinfo_files,
3684 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3687 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3688 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3690 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3691 hw_arch[arch].add(modinfo_dep)
3696 nm = find_program('nm')
3697 undefsym = find_program('scripts/undefsym.py')
3698 block_syms = custom_target('block.syms', output: 'block.syms',
3699 input: [libqemuutil, block_mods],
3701 command: [undefsym, nm, '@INPUT@'])
3702 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3703 input: [libqemuutil, system_mods],
3705 command: [undefsym, nm, '@INPUT@'])
3707 authz_ss = authz_ss.apply({})
3708 libauthz = static_library('authz', authz_ss.sources() + genh,
3709 dependencies: [authz_ss.dependencies()],
3711 build_by_default: false)
3713 authz = declare_dependency(link_whole: libauthz,
3716 crypto_ss = crypto_ss.apply({})
3717 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3718 dependencies: [crypto_ss.dependencies()],
3720 build_by_default: false)
3722 crypto = declare_dependency(link_whole: libcrypto,
3723 dependencies: [authz, qom])
3725 io_ss = io_ss.apply({})
3726 libio = static_library('io', io_ss.sources() + genh,
3727 dependencies: [io_ss.dependencies()],
3728 link_with: libqemuutil,
3730 build_by_default: false)
3732 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3734 libmigration = static_library('migration', sources: migration_files + genh,
3736 build_by_default: false)
3737 migration = declare_dependency(link_with: libmigration,
3738 dependencies: [zlib, qom, io])
3739 system_ss.add(migration)
3741 block_ss = block_ss.apply({})
3742 libblock = static_library('block', block_ss.sources() + genh,
3743 dependencies: block_ss.dependencies(),
3744 link_depends: block_syms,
3746 build_by_default: false)
3748 block = declare_dependency(link_whole: [libblock],
3749 link_args: '@block.syms',
3750 dependencies: [crypto, io])
3752 blockdev_ss = blockdev_ss.apply({})
3753 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3754 dependencies: blockdev_ss.dependencies(),
3756 build_by_default: false)
3758 blockdev = declare_dependency(link_whole: [libblockdev],
3759 dependencies: [block, event_loop_base])
3761 qmp_ss = qmp_ss.apply({})
3762 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3763 dependencies: qmp_ss.dependencies(),
3765 build_by_default: false)
3767 qmp = declare_dependency(link_whole: [libqmp])
3769 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3771 dependencies: chardev_ss.dependencies(),
3772 build_by_default: false)
3774 chardev = declare_dependency(link_whole: libchardev)
3776 hwcore_ss = hwcore_ss.apply({})
3777 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3779 build_by_default: false)
3780 hwcore = declare_dependency(link_whole: libhwcore)
3781 common_ss.add(hwcore)
3787 emulator_modules = []
3788 foreach m : block_mods + system_mods
3789 emulator_modules += shared_module(m.name(),
3790 build_by_default: true,
3794 install_dir: qemu_moddir)
3796 if emulator_modules.length() > 0
3797 alias_target('modules', emulator_modules)
3800 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3801 common_ss.add(qom, qemuutil)
3803 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3804 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3806 # Note that this library is never used directly (only through extract_objects)
3807 # and is not built by default; therefore, source files not used by the build
3808 # configuration will be in build.ninja, but are never built by default.
3809 common_all = static_library('common',
3810 build_by_default: false,
3811 sources: common_ss.all_sources() + genh,
3812 include_directories: common_user_inc,
3813 implicit_include_directories: false,
3814 dependencies: common_ss.all_dependencies(),
3817 feature_to_c = find_program('scripts/feature_to_c.py')
3819 if host_os == 'darwin'
3820 entitlement = find_program('scripts/entitlement.sh')
3825 foreach target : target_dirs
3826 config_target = config_target_mak[target]
3827 target_name = config_target['TARGET_NAME']
3828 target_base_arch = config_target['TARGET_BASE_ARCH']
3829 arch_srcs = [config_target_h[target]]
3831 c_args = ['-DNEED_CPU_H',
3832 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3833 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3834 link_args = emulator_link_args
3836 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3837 if host_os == 'linux'
3838 target_inc += include_directories('linux-headers', is_system: true)
3840 if target.endswith('-softmmu')
3841 target_type='system'
3842 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3843 arch_srcs += t.sources()
3844 arch_deps += t.dependencies()
3846 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3847 if hw_arch.has_key(hw_dir)
3848 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3849 arch_srcs += hw.sources()
3850 arch_deps += hw.dependencies()
3853 arch_srcs += config_devices_h[target]
3854 link_args += ['@block.syms', '@qemu.syms']
3856 abi = config_target['TARGET_ABI_DIR']
3858 target_inc += common_user_inc
3859 if target_base_arch in target_user_arch
3860 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3861 arch_srcs += t.sources()
3862 arch_deps += t.dependencies()
3864 if 'CONFIG_LINUX_USER' in config_target
3865 base_dir = 'linux-user'
3867 if 'CONFIG_BSD_USER' in config_target
3868 base_dir = 'bsd-user'
3869 target_inc += include_directories('bsd-user/' / host_os)
3870 target_inc += include_directories('bsd-user/host/' / host_arch)
3871 dir = base_dir / abi
3872 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3874 target_inc += include_directories(
3878 if 'CONFIG_LINUX_USER' in config_target
3879 dir = base_dir / abi
3880 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3881 if config_target.has_key('TARGET_SYSTBL_ABI')
3883 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3884 extra_args : config_target['TARGET_SYSTBL_ABI'])
3889 if 'TARGET_XML_FILES' in config_target
3890 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3891 output: target + '-gdbstub-xml.c',
3892 input: files(config_target['TARGET_XML_FILES'].split()),
3893 command: [feature_to_c, '@INPUT@'],
3895 arch_srcs += gdbstub_xml
3898 t = target_arch[target_base_arch].apply(config_target, strict: false)
3899 arch_srcs += t.sources()
3900 arch_deps += t.dependencies()
3902 target_common = common_ss.apply(config_target, strict: false)
3903 objects = common_all.extract_objects(target_common.sources())
3904 deps = target_common.dependencies()
3906 target_specific = specific_ss.apply(config_target, strict: false)
3907 arch_srcs += target_specific.sources()
3908 arch_deps += target_specific.dependencies()
3910 lib = static_library('qemu-' + target,
3911 sources: arch_srcs + genh,
3912 dependencies: arch_deps,
3914 include_directories: target_inc,
3916 build_by_default: false,
3919 if target.endswith('-softmmu')
3921 'name': 'qemu-system-' + target_name,
3922 'win_subsystem': 'console',
3923 'sources': files('system/main.c'),
3926 if host_os == 'windows' and (sdl.found() or gtk.found())
3928 'name': 'qemu-system-' + target_name + 'w',
3929 'win_subsystem': 'windows',
3930 'sources': files('system/main.c'),
3934 if get_option('fuzzing')
3935 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3937 'name': 'qemu-fuzz-' + target_name,
3938 'win_subsystem': 'console',
3939 'sources': specific_fuzz.sources(),
3940 'dependencies': specific_fuzz.dependencies(),
3945 'name': 'qemu-' + target_name,
3946 'win_subsystem': 'console',
3952 exe_name = exe['name']
3953 if host_os == 'darwin'
3954 exe_name += '-unsigned'
3957 emulator = executable(exe_name, exe['sources'],
3960 dependencies: arch_deps + deps + exe['dependencies'],
3961 objects: lib.extract_all_objects(recursive: true),
3962 link_depends: [block_syms, qemu_syms],
3963 link_args: link_args,
3964 win_subsystem: exe['win_subsystem'])
3966 if host_os == 'darwin'
3967 icon = 'pc-bios/qemu.rsrc'
3968 build_input = [emulator, files(icon)]
3970 get_option('bindir') / exe_name,
3971 meson.current_source_dir() / icon
3973 if 'CONFIG_HVF' in config_target
3974 entitlements = 'accel/hvf/entitlements.plist'
3975 build_input += files(entitlements)
3976 install_input += meson.current_source_dir() / entitlements
3979 emulators += {exe['name'] : custom_target(exe['name'],
3981 output: exe['name'],
3982 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3985 meson.add_install_script(entitlement, '--install',
3986 get_option('bindir') / exe['name'],
3989 emulators += {exe['name']: emulator}
3994 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
4000 # Other build targets
4002 if get_option('plugins')
4003 install_headers('include/qemu/qemu-plugin.h')
4004 if host_os == 'windows'
4005 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4006 # so that plugin authors can compile against it.
4007 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4013 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4014 # when we don't build tools or system
4015 if xkbcommon.found()
4016 # used for the update-keymaps target, so include rules even if !have_tools
4017 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4018 dependencies: [qemuutil, xkbcommon], install: have_tools)
4022 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4023 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4024 qemu_io = executable('qemu-io', files('qemu-io.c'),
4025 dependencies: [block, qemuutil], install: true)
4026 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4027 dependencies: [blockdev, qemuutil, gnutls, selinux],
4030 subdir('storage-daemon')
4032 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
4035 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4039 subdir('contrib/rdmacm-mux')
4040 subdir('contrib/elf2dmp')
4042 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4043 dependencies: qemuutil,
4047 subdir('contrib/vhost-user-blk')
4048 subdir('contrib/vhost-user-gpu')
4049 subdir('contrib/vhost-user-input')
4050 subdir('contrib/vhost-user-scsi')
4053 if host_os == 'linux'
4054 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4055 dependencies: [qemuutil, libcap_ng],
4057 install_dir: get_option('libexecdir'))
4059 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4060 dependencies: [authz, crypto, io, qom, qemuutil,
4061 libcap_ng, mpathpersist],
4066 subdir('contrib/ivshmem-client')
4067 subdir('contrib/ivshmem-server')
4072 foreach t: traceable
4074 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4075 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4076 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4077 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4080 tracetool, '--group=all', '--format=' + stp['fmt'],
4081 '--binary=' + stp['bin'],
4082 '--probe-prefix=' + t['probe-prefix'],
4083 '@INPUT@', '@OUTPUT@'
4086 custom_target(t['exe'] + stp['ext'],
4087 input: trace_events_all,
4088 output: t['exe'] + stp['ext'],
4089 install: stp['install'],
4090 install_dir: get_option('datadir') / 'systemtap/tapset',
4092 depend_files: tracetool_depends)
4106 if host_machine.system() == 'windows'
4108 find_program('scripts/nsis.py'),
4110 get_option('prefix'),
4111 meson.current_source_dir(),
4112 glib_pc.get_variable('bindir'),
4115 '-DDISPLAYVERSION=' + meson.project_version(),
4118 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4121 nsis_cmd += '-DCONFIG_GTK=y'
4124 nsis = custom_target('nsis',
4125 output: 'qemu-setup-' + meson.project_version() + '.exe',
4126 input: files('qemu.nsi'),
4127 build_always_stale: true,
4128 command: nsis_cmd + ['@INPUT@'])
4129 alias_target('installer', nsis)
4132 #########################
4133 # Configuration summary #
4134 #########################
4138 summary_info += {'Build directory': meson.current_build_dir()}
4139 summary_info += {'Source path': meson.current_source_dir()}
4140 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4141 summary(summary_info, bool_yn: true, section: 'Build environment')
4144 summary_info += {'Install prefix': get_option('prefix')}
4145 summary_info += {'BIOS directory': qemu_datadir}
4146 pathsep = host_os == 'windows' ? ';' : ':'
4147 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4148 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4149 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4150 summary_info += {'module directory': qemu_moddir}
4151 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4152 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4153 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4154 if host_os != 'windows'
4155 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4156 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4158 summary_info += {'local state directory': 'queried at runtime'}
4160 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4161 summary(summary_info, bool_yn: true, section: 'Directories')
4165 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4166 summary_info += {'sphinx-build': sphinx_build}
4168 # FIXME: the [binaries] section of machine files, which can be probed
4169 # with find_program(), would be great for passing gdb and genisoimage
4170 # paths from configure to Meson. However, there seems to be no way to
4171 # hide a program (for example if gdb is too old).
4172 if config_host.has_key('GDB')
4173 summary_info += {'gdb': config_host['GDB']}
4175 summary_info += {'iasl': iasl}
4176 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4177 if host_os == 'windows' and have_ga
4178 summary_info += {'wixl': wixl}
4180 if slirp.found() and have_system
4181 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4183 summary(summary_info, bool_yn: true, section: 'Host binaries')
4185 # Configurable features
4187 summary_info += {'Documentation': build_docs}
4188 summary_info += {'system-mode emulation': have_system}
4189 summary_info += {'user-mode emulation': have_user}
4190 summary_info += {'block layer': have_block}
4191 summary_info += {'Install blobs': get_option('install_blobs')}
4192 summary_info += {'module support': enable_modules}
4194 summary_info += {'alternative module path': get_option('module_upgrades')}
4196 summary_info += {'fuzzing support': get_option('fuzzing')}
4198 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4200 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4201 if 'simple' in get_option('trace_backends')
4202 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4204 summary_info += {'D-Bus display': dbus_display}
4205 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4206 summary_info += {'Relocatable install': get_option('relocatable')}
4207 summary_info += {'vhost-kernel support': have_vhost_kernel}
4208 summary_info += {'vhost-net support': have_vhost_net}
4209 summary_info += {'vhost-user support': have_vhost_user}
4210 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4211 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4212 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4213 summary_info += {'build guest agent': have_ga}
4214 summary(summary_info, bool_yn: true, section: 'Configurable features')
4216 # Compilation information
4218 summary_info += {'host CPU': cpu}
4219 summary_info += {'host endianness': build_machine.endian()}
4220 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4221 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4222 if 'cpp' in all_languages
4223 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4225 summary_info += {'C++ compiler': false}
4227 if 'objc' in all_languages
4228 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4230 summary_info += {'Objective-C compiler': false}
4232 option_cflags = (get_option('debug') ? ['-g'] : [])
4233 if get_option('optimization') != 'plain'
4234 option_cflags += ['-O' + get_option('optimization')]
4236 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4237 if 'cpp' in all_languages
4238 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4240 if 'objc' in all_languages
4241 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4243 link_args = get_option('c_link_args')
4244 if link_args.length() > 0
4245 summary_info += {'LDFLAGS': ' '.join(link_args)}
4247 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4248 if 'cpp' in all_languages
4249 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4251 if 'objc' in all_languages
4252 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4254 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4255 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4256 summary_info += {'PIE': get_option('b_pie')}
4257 summary_info += {'static build': get_option('prefer_static')}
4258 summary_info += {'malloc trim support': has_malloc_trim}
4259 summary_info += {'membarrier': have_membarrier}
4260 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4261 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4262 summary_info += {'mutex debugging': get_option('debug_mutex')}
4263 summary_info += {'memory allocator': get_option('malloc')}
4264 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4265 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4266 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4267 summary_info += {'gcov': get_option('b_coverage')}
4268 summary_info += {'thread sanitizer': get_option('tsan')}
4269 summary_info += {'CFI support': get_option('cfi')}
4270 if get_option('cfi')
4271 summary_info += {'CFI debug support': get_option('cfi_debug')}
4273 summary_info += {'strip binaries': get_option('strip')}
4274 summary_info += {'sparse': sparse}
4275 summary_info += {'mingw32 support': host_os == 'windows'}
4276 summary(summary_info, bool_yn: true, section: 'Compilation')
4278 # snarf the cross-compilation information for tests
4281 foreach target: target_dirs
4282 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4283 if fs.exists(tcg_mak)
4284 config_cross_tcg = keyval.load(tcg_mak)
4285 if 'CC' in config_cross_tcg
4286 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4292 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4295 # Targets and accelerators
4298 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4299 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4300 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4301 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4302 summary_info += {'Xen support': xen.found()}
4304 summary_info += {'xen ctrl version': xen.version()}
4306 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4308 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4309 if config_all_accel.has_key('CONFIG_TCG')
4310 if get_option('tcg_interpreter')
4311 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4313 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4315 summary_info += {'TCG plugins': get_option('plugins')}
4316 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4318 summary_info += {'target list': ' '.join(target_dirs)}
4320 summary_info += {'default devices': get_option('default_devices')}
4321 summary_info += {'out of process emulation': multiprocess_allowed}
4322 summary_info += {'vfio-user server': vfio_user_server_allowed}
4324 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4328 summary_info += {'coroutine backend': coroutine_backend}
4329 summary_info += {'coroutine pool': have_coroutine_pool}
4331 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4332 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4333 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4334 summary_info += {'VirtFS (9P) support': have_virtfs}
4335 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4336 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4337 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4338 summary_info += {'bochs support': get_option('bochs').allowed()}
4339 summary_info += {'cloop support': get_option('cloop').allowed()}
4340 summary_info += {'dmg support': get_option('dmg').allowed()}
4341 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4342 summary_info += {'vdi support': get_option('vdi').allowed()}
4343 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4344 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4345 summary_info += {'vpc support': get_option('vpc').allowed()}
4346 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4347 summary_info += {'qed support': get_option('qed').allowed()}
4348 summary_info += {'parallels support': get_option('parallels').allowed()}
4349 summary_info += {'FUSE exports': fuse}
4350 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4352 summary(summary_info, bool_yn: true, section: 'Block layer support')
4356 summary_info += {'TLS priority': get_option('tls_priority')}
4357 summary_info += {'GNUTLS support': gnutls}
4359 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4361 summary_info += {'libgcrypt': gcrypt}
4362 summary_info += {'nettle': nettle}
4364 summary_info += {' XTS': xts != 'private'}
4366 summary_info += {'SM4 ALG support': crypto_sm4}
4367 summary_info += {'AF_ALG support': have_afalg}
4368 summary_info += {'rng-none': get_option('rng_none')}
4369 summary_info += {'Linux keyring': have_keyring}
4370 summary_info += {'Linux keyutils': keyutils}
4371 summary(summary_info, bool_yn: true, section: 'Crypto')
4375 if host_os == 'darwin'
4376 summary_info += {'Cocoa support': cocoa}
4378 summary_info += {'SDL support': sdl}
4379 summary_info += {'SDL image support': sdl_image}
4380 summary_info += {'GTK support': gtk}
4381 summary_info += {'pixman': pixman}
4382 summary_info += {'VTE support': vte}
4383 summary_info += {'PNG support': png}
4384 summary_info += {'VNC support': vnc}
4386 summary_info += {'VNC SASL support': sasl}
4387 summary_info += {'VNC JPEG support': jpeg}
4389 summary_info += {'spice protocol support': spice_protocol}
4390 if spice_protocol.found()
4391 summary_info += {' spice server support': spice}
4393 summary_info += {'curses support': curses}
4394 summary_info += {'brlapi support': brlapi}
4395 summary(summary_info, bool_yn: true, section: 'User interface')
4399 summary_info += {'VirGL support': virgl}
4400 summary_info += {'Rutabaga support': rutabaga}
4401 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4405 if host_os not in ['darwin', 'haiku', 'windows']
4406 summary_info += {'OSS support': oss}
4407 summary_info += {'sndio support': sndio}
4408 elif host_os == 'darwin'
4409 summary_info += {'CoreAudio support': coreaudio}
4410 elif host_os == 'windows'
4411 summary_info += {'DirectSound support': dsound}
4413 if host_os == 'linux'
4414 summary_info += {'ALSA support': alsa}
4415 summary_info += {'PulseAudio support': pulse}
4417 summary_info += {'PipeWire support': pipewire}
4418 summary_info += {'JACK support': jack}
4419 summary(summary_info, bool_yn: true, section: 'Audio backends')
4423 if host_os == 'darwin'
4424 summary_info += {'vmnet.framework support': vmnet}
4426 summary_info += {'AF_XDP support': libxdp}
4427 summary_info += {'slirp support': slirp}
4428 summary_info += {'vde support': vde}
4429 summary_info += {'netmap support': have_netmap}
4430 summary_info += {'l2tpv3 support': have_l2tpv3}
4431 summary(summary_info, bool_yn: true, section: 'Network backends')
4435 summary_info += {'libtasn1': tasn1}
4436 summary_info += {'PAM': pam}
4437 summary_info += {'iconv support': iconv}
4438 summary_info += {'blkio support': blkio}
4439 summary_info += {'curl support': curl}
4440 summary_info += {'Multipath support': mpathpersist}
4441 summary_info += {'Linux AIO support': libaio}
4442 summary_info += {'Linux io_uring support': linux_io_uring}
4443 summary_info += {'ATTR/XATTR support': libattr}
4444 summary_info += {'RDMA support': rdma}
4445 summary_info += {'PVRDMA support': have_pvrdma}
4446 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4447 summary_info += {'libcap-ng support': libcap_ng}
4448 summary_info += {'bpf support': libbpf}
4449 summary_info += {'rbd support': rbd}
4450 summary_info += {'smartcard support': cacard}
4451 summary_info += {'U2F support': u2f}
4452 summary_info += {'libusb': libusb}
4453 summary_info += {'usb net redir': usbredir}
4454 summary_info += {'OpenGL support (epoxy)': opengl}
4455 summary_info += {'GBM': gbm}
4456 summary_info += {'libiscsi support': libiscsi}
4457 summary_info += {'libnfs support': libnfs}
4458 if host_os == 'windows'
4460 summary_info += {'QGA VSS support': have_qga_vss}
4463 summary_info += {'seccomp support': seccomp}
4464 summary_info += {'GlusterFS support': glusterfs}
4465 summary_info += {'hv-balloon support': hv_balloon}
4466 summary_info += {'TPM support': have_tpm}
4467 summary_info += {'libssh support': libssh}
4468 summary_info += {'lzo support': lzo}
4469 summary_info += {'snappy support': snappy}
4470 summary_info += {'bzip2 support': libbzip2}
4471 summary_info += {'lzfse support': liblzfse}
4472 summary_info += {'zstd support': zstd}
4473 summary_info += {'NUMA host support': numa}
4474 summary_info += {'capstone': capstone}
4475 summary_info += {'libpmem support': libpmem}
4476 summary_info += {'libdaxctl support': libdaxctl}
4477 summary_info += {'libudev': libudev}
4478 # Dummy dependency, keep .found()
4479 summary_info += {'FUSE lseek': fuse_lseek.found()}
4480 summary_info += {'selinux': selinux}
4481 summary_info += {'libdw': libdw}
4482 if host_os == 'freebsd'
4483 summary_info += {'libinotify-kqueue': inotify}
4485 summary(summary_info, bool_yn: true, section: 'Dependencies')
4487 if host_arch == 'unknown'
4489 warning('UNSUPPORTED HOST CPU')
4491 message('Support for CPU host architecture ' + cpu + ' is not currently')
4492 message('maintained. The QEMU project does not guarantee that QEMU will')
4493 message('compile or work on this host CPU. You can help by volunteering')
4494 message('to maintain it and providing a build host for our continuous')
4495 message('integration setup.')
4496 if get_option('tcg').allowed() and target_dirs.length() > 0
4498 message('configure has succeeded and you can continue to build, but')
4499 message('QEMU will use a slow interpreter to emulate the target CPU.')
4503 if not supported_oses.contains(host_os)
4505 warning('UNSUPPORTED HOST OS')
4507 message('Support for host OS ' + host_os + 'is not currently maintained.')
4508 message('configure has succeeded and you can continue to build, but')
4509 message('the QEMU project does not guarantee that QEMU will compile or')
4510 message('work on this operating system. You can help by volunteering')
4511 message('to maintain it and providing a build host for our continuous')
4512 message('integration setup. This will ensure that future versions of QEMU')
4513 message('will keep working on ' + host_os + '.')
4516 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4518 message('If you want to help supporting QEMU on this platform, please')
4519 message('contact the developers at qemu-devel@nongnu.org.')
4522 actually_reloc = get_option('relocatable')
4523 # check if get_relocated_path() is actually able to relocate paths
4524 if get_option('relocatable') and \
4525 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4527 warning('bindir not included within prefix, the installation will not be relocatable.')
4528 actually_reloc = false
4530 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4531 if host_os == 'windows'
4533 warning('Windows installs should usually be relocatable.')
4536 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4537 message('Use --disable-relocatable to remove this warning.')