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: get_option('cocoa'), 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 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
480 if host_os != 'sunos' and not get_option('tsan')
481 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
484 if get_option('fuzzing')
485 # Specify a filter to only instrument code that is directly related to
487 configure_file(output: 'instrumentation-filter',
488 input: 'scripts/oss-fuzz/instrumentation-filter-template',
491 if cc.compiles('int main () { return 0; }',
492 name: '-fsanitize-coverage-allowlist=/dev/null',
493 args: ['-fsanitize-coverage-allowlist=/dev/null',
494 '-fsanitize-coverage=trace-pc'] )
495 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
498 if get_option('fuzzing_engine') == ''
499 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
500 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
501 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
502 # unable to bind the fuzzer-related callbacks added by instrumentation.
503 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
504 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
505 # For the actual fuzzer binaries, we need to link against the libfuzzer
506 # library. They need to be configurable, to support OSS-Fuzz
507 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
509 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
510 # the needed CFLAGS have already been provided
511 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
517 # Check for dependency on LTO
518 if not get_option('b_lto')
519 error('Selected Control-Flow Integrity but LTO is disabled')
522 error('Selected Control-Flow Integrity is not compatible with modules')
524 # Check for cfi flags. CFI requires LTO so we can't use
525 # get_supported_arguments, but need a more complex "compiles" which allows
527 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
528 args: ['-flto', '-fsanitize=cfi-icall'] )
529 cfi_flags += '-fsanitize=cfi-icall'
531 error('-fsanitize=cfi-icall is not supported by the compiler')
533 if cc.compiles('int main () { return 0; }',
534 name: '-fsanitize-cfi-icall-generalize-pointers',
535 args: ['-flto', '-fsanitize=cfi-icall',
536 '-fsanitize-cfi-icall-generalize-pointers'] )
537 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
539 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
541 if get_option('cfi_debug')
542 if cc.compiles('int main () { return 0; }',
543 name: '-fno-sanitize-trap=cfi-icall',
544 args: ['-flto', '-fsanitize=cfi-icall',
545 '-fno-sanitize-trap=cfi-icall'] )
546 cfi_flags += '-fno-sanitize-trap=cfi-icall'
548 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
551 add_global_arguments(cfi_flags, native: false, language: all_languages)
552 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
555 # Check further flags that make QEMU more robust against malicious parties
558 # Zero out registers used during a function call
559 # upon its return. This makes it harder to assemble
560 # ROP gadgets into something usable
561 '-fzero-call-used-regs=used-gpr',
563 # Initialize all stack variables to zero. This makes
564 # it harder to take advantage of uninitialized stack
565 # data to drive exploits
566 '-ftrivial-auto-var-init=zero',
569 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
571 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
572 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
574 # Collect warning flags we want to set, sorted alphabetically
576 # First enable interesting warnings
579 '-Wexpansion-to-defined',
582 '-Wignored-qualifiers',
583 '-Wimplicit-fallthrough=2',
585 '-Wmissing-format-attribute',
586 '-Wmissing-prototypes',
588 '-Wold-style-declaration',
589 '-Wold-style-definition',
592 '-Wstrict-prototypes',
597 # Then disable some undesirable warnings
598 '-Wno-gnu-variable-sized-type-not-at-end',
599 '-Wno-initializer-overrides',
600 '-Wno-missing-include-dirs',
602 '-Wno-shift-negative-value',
603 '-Wno-string-plus-int',
604 '-Wno-tautological-type-limit-compare',
605 '-Wno-typedef-redefinition',
608 if host_os != 'darwin'
609 warn_flags += ['-Wthread-safety']
612 # Set up C++ compiler flags
614 if 'cpp' in all_languages
615 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
618 add_project_arguments(qemu_cflags, native: false, language: 'c')
619 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
620 if 'cpp' in all_languages
621 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
622 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
624 if 'objc' in all_languages
625 # Note sanitizer flags are not applied to Objective-C sources!
626 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
628 if host_os == 'linux'
629 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
630 '-isystem', 'linux-headers',
631 language: all_languages)
634 add_project_arguments('-iquote', '.',
635 '-iquote', meson.current_source_dir(),
636 '-iquote', meson.current_source_dir() / 'include',
637 language: all_languages)
639 # If a host-specific include directory exists, list that first...
640 host_include = meson.current_source_dir() / 'host/include/'
641 if fs.is_dir(host_include / host_arch)
642 add_project_arguments('-iquote', host_include / host_arch,
643 language: all_languages)
645 # ... followed by the generic fallback.
646 add_project_arguments('-iquote', host_include / 'generic',
647 language: all_languages)
649 sparse = find_program('cgcc', required: get_option('sparse'))
652 command: [find_program('scripts/check_sparse.py'),
653 'compile_commands.json', sparse.full_path(), '-Wbitwise',
654 '-Wno-transparent-union', '-Wno-old-initializer',
655 '-Wno-non-pointer-null'])
658 #####################################
659 # Host-specific libraries and flags #
660 #####################################
662 libm = cc.find_library('m', required: false)
663 threads = dependency('threads')
664 util = cc.find_library('util', required: false)
670 emulator_link_args = []
675 if host_os == 'windows'
676 midl = find_program('midl', required: false)
677 widl = find_program('widl', required: false)
678 pathcch = cc.find_library('pathcch')
679 socket = cc.find_library('ws2_32')
680 winmm = cc.find_library('winmm')
682 win = import('windows')
683 version_res = win.compile_resources('version.rc',
684 depend_files: files('pc-bios/qemu-nsis.ico'),
685 include_directories: include_directories('.'))
687 elif host_os == 'darwin'
688 coref = dependency('appleframeworks', modules: 'CoreFoundation')
689 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
690 host_dsosuf = '.dylib'
691 elif host_os == 'sunos'
692 socket = [cc.find_library('socket'),
693 cc.find_library('nsl'),
694 cc.find_library('resolv')]
695 elif host_os == 'haiku'
696 socket = [cc.find_library('posix_error_mapper'),
697 cc.find_library('network'),
698 cc.find_library('bsd')]
699 elif host_os == 'openbsd'
700 if get_option('tcg').allowed() and target_dirs.length() > 0
701 # Disable OpenBSD W^X if available
702 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
706 ###############################################
707 # Host-specific configuration of accelerators #
708 ###############################################
711 if get_option('kvm').allowed() and host_os == 'linux'
712 accelerators += 'CONFIG_KVM'
714 if get_option('whpx').allowed() and host_os == 'windows'
715 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
716 error('WHPX requires 64-bit host')
717 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
718 cc.has_header('winhvemulation.h', required: get_option('whpx'))
719 accelerators += 'CONFIG_WHPX'
724 if get_option('hvf').allowed()
725 hvf = dependency('appleframeworks', modules: 'Hypervisor',
726 required: get_option('hvf'))
728 accelerators += 'CONFIG_HVF'
733 if host_os == 'netbsd'
734 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
736 accelerators += 'CONFIG_NVMM'
741 if get_option('tcg').allowed()
742 if host_arch == 'unknown'
743 if not get_option('tcg_interpreter')
744 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
746 elif get_option('tcg_interpreter')
747 warning('Use of the TCG interpreter is not recommended on this host')
748 warning('architecture. There is a native TCG execution backend available')
749 warning('which provides substantially better performance and reliability.')
750 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
751 warning('configuration option on this architecture to use the native')
754 if get_option('tcg_interpreter')
756 elif host_arch == 'x86_64'
758 elif host_arch == 'ppc64'
761 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
762 language: all_languages)
764 accelerators += 'CONFIG_TCG'
767 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
768 error('KVM not available on this platform')
770 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
771 error('HVF not available on this platform')
773 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
774 error('NVMM not available on this platform')
776 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
777 error('WHPX not available on this platform')
781 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
782 xencontrol = dependency('xencontrol', required: false,
783 method: 'pkg-config')
784 if xencontrol.found()
785 xen_pc = declare_dependency(version: xencontrol.version(),
788 # disabler: true makes xen_pc.found() return false if any is not found
789 dependency('xenstore', required: false,
790 method: 'pkg-config',
792 dependency('xenforeignmemory', required: false,
793 method: 'pkg-config',
795 dependency('xengnttab', required: false,
796 method: 'pkg-config',
798 dependency('xenevtchn', required: false,
799 method: 'pkg-config',
801 dependency('xendevicemodel', required: false,
802 method: 'pkg-config',
804 # optional, no "disabler: true"
805 dependency('xentoolcore', required: false,
806 method: 'pkg-config')])
812 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
814 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
815 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
816 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
817 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
818 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
821 foreach ver: xen_tests
822 # cache the various library tests to avoid polluting the logs
824 foreach l: xen_libs[ver]
826 xen_deps += { l: cc.find_library(l, required: false) }
828 xen_test_deps += xen_deps[l]
831 # Use -D to pick just one of the test programs in scripts/xen-detect.c
832 xen_version = ver.split('.')
833 xen_ctrl_version = xen_version[0] + \
834 ('0' + xen_version[1]).substring(-2) + \
835 ('0' + xen_version[2]).substring(-2)
836 if cc.links(files('scripts/xen-detect.c'),
837 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
838 dependencies: xen_test_deps)
839 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
845 accelerators += 'CONFIG_XEN'
846 elif get_option('xen').enabled()
847 error('could not compile and link Xen test program')
850 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
851 .require(xen.found(),
852 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
853 .require(host_os == 'linux',
854 error_message: 'Xen PCI passthrough not available on this platform') \
855 .require(cpu == 'x86' or cpu == 'x86_64',
856 error_message: 'Xen PCI passthrough not available on this platform') \
863 # When bumping glib minimum version, please check also whether to increase
864 # the _WIN32_WINNT setting in osdep.h according to the value from glib
865 glib_req_ver = '>=2.56.0'
866 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
867 method: 'pkg-config')
870 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
871 method: 'pkg-config')
872 elif get_option('plugins')
873 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
874 method: 'pkg-config')
879 # This workaround is required due to a bug in pkg-config file for glib as it
880 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
881 if host_os == 'windows' and get_option('prefer_static')
882 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
885 # Sanity check that the current size_t matches the
886 # size that glib thinks it should be. This catches
887 # problems on multi-arch where people try to build
888 # 32-bit QEMU while pointing at 64-bit glib headers
890 if not cc.compiles('''
894 #define QEMU_BUILD_BUG_ON(x) \
895 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
898 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
900 }''', dependencies: glib_pc, args: glib_cflags)
901 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
902 You probably need to set PKG_CONFIG_LIBDIR" to point
903 to the right pkg-config files for your build target.''')
906 # Silence clang warnings triggered by glib < 2.57.2
907 if not cc.compiles('''
912 static void foo_free(Foo *f)
916 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
917 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
918 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
920 glib = declare_dependency(dependencies: [glib_pc, gmodule],
921 compile_args: glib_cflags,
922 version: glib_pc.version())
924 # Check whether glib has gslice, which we have to avoid for correctness.
925 # TODO: remove this check and the corresponding workaround (qtree) when
926 # the minimum supported glib is >= 2.75.3
927 glib_has_gslice = glib.version().version_compare('<2.75.3')
929 # override glib dep to include the above refinements
930 meson.override_dependency('glib-2.0', glib)
932 # The path to glib.h is added to all compilation commands.
933 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
934 native: false, language: all_languages)
937 gdbus_codegen = not_found
938 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
939 if not get_option('gio').auto() or have_system
940 gio = dependency('gio-2.0', required: get_option('gio'),
941 method: 'pkg-config')
942 if gio.found() and not cc.links('''
946 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
948 }''', dependencies: [glib, gio])
949 if get_option('gio').enabled()
950 error('The installed libgio is broken for static linking')
955 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
956 required: get_option('gio'))
957 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
958 method: 'pkg-config')
959 gio = declare_dependency(dependencies: [gio, gio_unix],
960 version: gio.version())
963 if gdbus_codegen.found() and get_option('cfi')
964 gdbus_codegen = not_found
965 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
968 xml_pp = find_program('scripts/xml-preprocess.py')
971 if 'ust' in get_option('trace_backends')
972 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
973 method: 'pkg-config')
976 if not get_option('pixman').auto() or have_system or have_tools
977 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
978 method: 'pkg-config')
981 zlib = dependency('zlib', required: true)
984 if not get_option('linux_aio').auto() or have_block
985 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
986 required: get_option('linux_aio'))
989 linux_io_uring_test = '''
990 #include <liburing.h>
991 #include <linux/errqueue.h>
993 int main(void) { return 0; }'''
995 linux_io_uring = not_found
996 if not get_option('linux_io_uring').auto() or have_block
997 linux_io_uring = dependency('liburing', version: '>=0.3',
998 required: get_option('linux_io_uring'),
999 method: 'pkg-config')
1000 if not cc.links(linux_io_uring_test)
1001 linux_io_uring = not_found
1006 if not get_option('libnfs').auto() or have_block
1007 libnfs = dependency('libnfs', version: '>=1.9.3',
1008 required: get_option('libnfs'),
1009 method: 'pkg-config')
1014 #include <sys/types.h>
1015 #ifdef CONFIG_LIBATTR
1016 #include <attr/xattr.h>
1018 #include <sys/xattr.h>
1020 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1023 have_old_libattr = false
1024 if get_option('attr').allowed()
1025 if cc.links(libattr_test)
1026 libattr = declare_dependency()
1028 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1029 required: get_option('attr'))
1030 if libattr.found() and not \
1031 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1033 if get_option('attr').enabled()
1034 error('could not link libattr')
1036 warning('could not link libattr, disabling')
1039 have_old_libattr = libattr.found()
1044 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1045 required: get_option('cocoa'))
1047 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1048 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1049 'VMNET_BRIDGED_MODE',
1050 dependencies: vmnet)
1052 if get_option('vmnet').enabled()
1053 error('vmnet.framework API is outdated')
1055 warning('vmnet.framework API is outdated, disabling')
1060 seccomp_has_sysrawrc = false
1061 if not get_option('seccomp').auto() or have_system or have_tools
1062 seccomp = dependency('libseccomp', version: '>=2.3.0',
1063 required: get_option('seccomp'),
1064 method: 'pkg-config')
1066 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1067 'SCMP_FLTATR_API_SYSRAWRC',
1068 dependencies: seccomp)
1072 libcap_ng = not_found
1073 if not get_option('cap_ng').auto() or have_system or have_tools
1074 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1075 required: get_option('cap_ng'))
1077 if libcap_ng.found() and not cc.links('''
1081 capng_capability_to_name(CAPNG_EFFECTIVE);
1083 }''', dependencies: libcap_ng)
1084 libcap_ng = not_found
1085 if get_option('cap_ng').enabled()
1086 error('could not link libcap-ng')
1088 warning('could not link libcap-ng, disabling')
1092 if get_option('xkbcommon').auto() and not have_system and not have_tools
1093 xkbcommon = not_found
1095 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1096 method: 'pkg-config')
1100 if not get_option('slirp').auto() or have_system
1101 slirp = dependency('slirp', required: get_option('slirp'),
1102 method: 'pkg-config')
1103 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1104 # it passes function pointers within libslirp as callbacks for timers.
1105 # When using a system-wide shared libslirp, the type information for the
1106 # callback is missing and the timer call produces a false positive with CFI.
1107 # Do not use the "version" keyword argument to produce a better error.
1108 # with control-flow integrity.
1109 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1110 if get_option('slirp').enabled()
1111 error('Control-Flow Integrity requires libslirp 4.7.')
1113 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1120 if not get_option('vde').auto() or have_system or have_tools
1121 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1122 required: get_option('vde'))
1124 if vde.found() and not cc.links('''
1125 #include <libvdeplug.h>
1128 struct vde_open_args a = {0, 0, 0};
1132 }''', dependencies: vde)
1134 if get_option('cap_ng').enabled()
1135 error('could not link libvdeplug')
1137 warning('could not link libvdeplug, disabling')
1142 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1143 pulse = dependency('libpulse', required: get_option('pa'),
1144 method: 'pkg-config')
1147 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1148 alsa = dependency('alsa', required: get_option('alsa'),
1149 method: 'pkg-config')
1152 if not get_option('jack').auto() or have_system
1153 jack = dependency('jack', required: get_option('jack'),
1154 method: 'pkg-config')
1156 pipewire = not_found
1157 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1158 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1159 required: get_option('pipewire'),
1160 method: 'pkg-config')
1163 if not get_option('sndio').auto() or have_system
1164 sndio = dependency('sndio', required: get_option('sndio'),
1165 method: 'pkg-config')
1168 spice_protocol = not_found
1169 if not get_option('spice_protocol').auto() or have_system
1170 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1171 required: get_option('spice_protocol'),
1172 method: 'pkg-config')
1175 if get_option('spice') \
1176 .disable_auto_if(not have_system) \
1177 .require(pixman.found(),
1178 error_message: 'cannot enable SPICE if pixman is not available') \
1180 spice = dependency('spice-server', version: '>=0.14.0',
1181 required: get_option('spice'),
1182 method: 'pkg-config')
1184 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1186 rt = cc.find_library('rt', required: false)
1188 libiscsi = not_found
1189 if not get_option('libiscsi').auto() or have_block
1190 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1191 required: get_option('libiscsi'),
1192 method: 'pkg-config')
1195 if not get_option('zstd').auto() or have_block
1196 zstd = dependency('libzstd', version: '>=1.4.0',
1197 required: get_option('zstd'),
1198 method: 'pkg-config')
1202 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1203 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1204 virgl = dependency('virglrenderer',
1205 method: 'pkg-config',
1206 required: get_option('virglrenderer'))
1208 rutabaga = not_found
1209 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1210 rutabaga = dependency('rutabaga_gfx_ffi',
1211 method: 'pkg-config',
1212 required: get_option('rutabaga_gfx'))
1215 if not get_option('blkio').auto() or have_block
1216 blkio = dependency('blkio',
1217 method: 'pkg-config',
1218 required: get_option('blkio'))
1221 if not get_option('curl').auto() or have_block
1222 curl = dependency('libcurl', version: '>=7.29.0',
1223 method: 'pkg-config',
1224 required: get_option('curl'))
1227 if host_os == 'linux' and (have_system or have_tools)
1228 libudev = dependency('libudev',
1229 method: 'pkg-config',
1230 required: get_option('libudev'))
1233 mpathlibs = [libudev]
1234 mpathpersist = not_found
1235 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1236 mpath_test_source = '''
1237 #include <libudev.h>
1238 #include <mpath_persist.h>
1239 unsigned mpath_mx_alloc_len = 1024;
1241 static struct config *multipath_conf;
1242 extern struct udev *udev;
1243 extern struct config *get_multipath_config(void);
1244 extern void put_multipath_config(struct config *conf);
1246 struct config *get_multipath_config(void) { return multipath_conf; }
1247 void put_multipath_config(struct config *conf) { }
1250 multipath_conf = mpath_lib_init();
1253 libmpathpersist = cc.find_library('mpathpersist',
1254 required: get_option('mpath'))
1255 if libmpathpersist.found()
1256 mpathlibs += libmpathpersist
1257 if get_option('prefer_static')
1258 mpathlibs += cc.find_library('devmapper',
1259 required: get_option('mpath'))
1261 mpathlibs += cc.find_library('multipath',
1262 required: get_option('mpath'))
1263 foreach lib: mpathlibs
1269 if mpathlibs.length() == 0
1270 msg = 'Dependencies missing for libmpathpersist'
1271 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1272 mpathpersist = declare_dependency(dependencies: mpathlibs)
1274 msg = 'Cannot detect libmpathpersist API'
1276 if not mpathpersist.found()
1277 if get_option('mpath').enabled()
1280 warning(msg + ', disabling')
1288 if have_system and get_option('curses').allowed()
1290 #if defined(__APPLE__) || defined(__OpenBSD__)
1291 #define _XOPEN_SOURCE_EXTENDED 1
1298 setlocale(LC_ALL, "");
1300 addwstr(L"wide chars\n");
1302 add_wch(WACS_DEGREE);
1306 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1307 curses = dependency(curses_dep_list,
1309 method: 'pkg-config')
1310 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1311 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1313 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1314 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1315 version: curses.version())
1317 msg = 'curses package not usable'
1321 if not curses.found()
1322 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1323 if host_os != 'windows' and not has_curses_h
1324 message('Trying with /usr/include/ncursesw')
1325 curses_compile_args += ['-I/usr/include/ncursesw']
1326 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1329 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1330 foreach curses_libname : curses_libname_list
1331 libcurses = cc.find_library(curses_libname,
1333 if libcurses.found()
1334 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1335 curses = declare_dependency(compile_args: curses_compile_args,
1336 dependencies: [libcurses])
1339 msg = 'curses library not usable'
1345 if get_option('iconv').allowed()
1346 foreach link_args : [ ['-liconv'], [] ]
1347 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1348 # We need to use libiconv if available because mixing libiconv's headers with
1349 # the system libc does not work.
1350 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1351 # included in the command line and libiconv will not be found.
1355 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1356 return conv != (iconv_t) -1;
1357 }''', args: link_args, dependencies: glib)
1358 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1363 if curses.found() and not iconv.found()
1364 if get_option('iconv').enabled()
1365 error('iconv not available')
1367 msg = 'iconv required for curses UI but not available'
1370 if not curses.found() and msg != ''
1371 if get_option('curses').enabled()
1374 warning(msg + ', disabling')
1380 if not get_option('brlapi').auto() or have_system
1381 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1382 required: get_option('brlapi'))
1383 if brlapi.found() and not cc.links('''
1386 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1388 if get_option('brlapi').enabled()
1389 error('could not link brlapi')
1391 warning('could not link brlapi, disabling')
1397 if not get_option('sdl').auto() or have_system
1398 sdl = dependency('sdl2', required: get_option('sdl'))
1399 sdl_image = not_found
1402 # Some versions of SDL have problems with -Wundef
1403 if not cc.compiles('''
1405 #include <SDL_syswm.h>
1406 int main(int argc, char *argv[]) { return 0; }
1407 ''', dependencies: sdl, args: '-Werror=undef')
1408 sdl = declare_dependency(compile_args: '-Wno-undef',
1410 version: sdl.version())
1412 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1413 method: 'pkg-config')
1415 if get_option('sdl_image').enabled()
1416 error('sdl-image required, but SDL was @0@'.format(
1417 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1419 sdl_image = not_found
1423 if not get_option('rbd').auto() or have_block
1424 librados = cc.find_library('rados', required: get_option('rbd'))
1425 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1426 required: get_option('rbd'))
1427 if librados.found() and librbd.found()
1430 #include <rbd/librbd.h>
1433 rados_create(&cluster, NULL);
1434 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1438 }''', dependencies: [librbd, librados])
1439 rbd = declare_dependency(dependencies: [librbd, librados])
1440 elif get_option('rbd').enabled()
1441 error('librbd >= 1.12.0 required')
1443 warning('librbd >= 1.12.0 not found, disabling')
1448 glusterfs = not_found
1449 glusterfs_ftruncate_has_stat = false
1450 glusterfs_iocb_has_stat = false
1451 if not get_option('glusterfs').auto() or have_block
1452 glusterfs = dependency('glusterfs-api', version: '>=3',
1453 required: get_option('glusterfs'),
1454 method: 'pkg-config')
1455 if glusterfs.found()
1456 glusterfs_ftruncate_has_stat = cc.links('''
1457 #include <glusterfs/api/glfs.h>
1462 /* new glfs_ftruncate() passes two additional args */
1463 return glfs_ftruncate(NULL, 0, NULL, NULL);
1465 ''', dependencies: glusterfs)
1466 glusterfs_iocb_has_stat = cc.links('''
1467 #include <glusterfs/api/glfs.h>
1469 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1471 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1477 glfs_io_cbk iocb = &glusterfs_iocb;
1478 iocb(NULL, 0 , NULL, NULL, NULL);
1481 ''', dependencies: glusterfs)
1486 if get_option('hv_balloon').allowed() and have_system
1489 #include <gmodule.h>
1493 tree = g_tree_new((GCompareFunc)strcmp);
1494 (void)g_tree_node_first(tree);
1495 g_tree_destroy(tree);
1498 ''', dependencies: glib)
1501 if get_option('hv_balloon').enabled()
1502 error('could not enable hv-balloon, update your glib')
1504 warning('could not find glib support for hv-balloon, disabling')
1510 if not get_option('libssh').auto() or have_block
1511 libssh = dependency('libssh', version: '>=0.8.7',
1512 method: 'pkg-config',
1513 required: get_option('libssh'))
1516 libbzip2 = not_found
1517 if not get_option('bzip2').auto() or have_block
1518 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1519 required: get_option('bzip2'))
1520 if libbzip2.found() and not cc.links('''
1522 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1523 libbzip2 = not_found
1524 if get_option('bzip2').enabled()
1525 error('could not link libbzip2')
1527 warning('could not link libbzip2, disabling')
1532 liblzfse = not_found
1533 if not get_option('lzfse').auto() or have_block
1534 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1535 required: get_option('lzfse'))
1537 if liblzfse.found() and not cc.links('''
1539 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1540 liblzfse = not_found
1541 if get_option('lzfse').enabled()
1542 error('could not link liblzfse')
1544 warning('could not link liblzfse, disabling')
1549 if get_option('oss').allowed() and have_system
1550 if not cc.has_header('sys/soundcard.h')
1552 elif host_os == 'netbsd'
1553 oss = cc.find_library('ossaudio', required: get_option('oss'))
1555 oss = declare_dependency()
1559 if get_option('oss').enabled()
1560 error('OSS not found')
1565 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1566 if cc.has_header('dsound.h')
1567 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1570 if not dsound.found()
1571 if get_option('dsound').enabled()
1572 error('DirectSound not found')
1577 coreaudio = not_found
1578 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1579 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1580 required: get_option('coreaudio'))
1584 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1585 epoxy = dependency('epoxy', method: 'pkg-config',
1586 required: get_option('opengl'))
1587 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1589 elif get_option('opengl').enabled()
1590 error('epoxy/egl.h not found')
1594 if (have_system or have_tools) and (virgl.found() or opengl.found())
1595 gbm = dependency('gbm', method: 'pkg-config', required: false)
1597 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1600 gnutls_crypto = not_found
1601 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1602 # For general TLS support our min gnutls matches
1603 # that implied by our platform support matrix
1605 # For the crypto backends, we look for a newer
1608 # Version 3.6.8 is needed to get XTS
1609 # Version 3.6.13 is needed to get PBKDF
1610 # Version 3.6.14 is needed to get HW accelerated XTS
1612 # If newer enough gnutls isn't available, we can
1613 # still use a different crypto backend to satisfy
1614 # the platform support requirements
1615 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1616 method: 'pkg-config',
1618 if gnutls_crypto.found()
1619 gnutls = gnutls_crypto
1621 # Our min version if all we need is TLS
1622 gnutls = dependency('gnutls', version: '>=3.5.18',
1623 method: 'pkg-config',
1624 required: get_option('gnutls'))
1628 # We prefer use of gnutls for crypto, unless the options
1629 # explicitly asked for nettle or gcrypt.
1631 # If gnutls isn't available for crypto, then we'll prefer
1632 # gcrypt over nettle for performance reasons.
1636 crypto_sm4 = not_found
1639 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1640 error('Only one of gcrypt & nettle can be enabled')
1643 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1644 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1645 gnutls_crypto = not_found
1648 if not gnutls_crypto.found()
1649 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1650 gcrypt = dependency('libgcrypt', version: '>=1.8',
1651 method: 'config-tool',
1652 required: get_option('gcrypt'))
1653 # Debian has removed -lgpg-error from libgcrypt-config
1654 # as it "spreads unnecessary dependencies" which in
1655 # turn breaks static builds...
1656 if gcrypt.found() and get_option('prefer_static')
1657 gcrypt = declare_dependency(dependencies:
1659 cc.find_library('gpg-error', required: true)],
1660 version: gcrypt.version())
1663 # SM4 ALG is available in libgcrypt >= 1.9
1664 if gcrypt.found() and not cc.links('''
1667 gcry_cipher_hd_t handler;
1668 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1670 }''', dependencies: gcrypt)
1671 crypto_sm4 = not_found
1674 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1675 nettle = dependency('nettle', version: '>=3.4',
1676 method: 'pkg-config',
1677 required: get_option('nettle'))
1678 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1682 # SM4 ALG is available in nettle >= 3.9
1683 if nettle.found() and not cc.links('''
1684 #include <nettle/sm4.h>
1687 unsigned char key[16] = {0};
1688 sm4_set_encrypt_key(&ctx, key);
1690 }''', dependencies: nettle)
1691 crypto_sm4 = not_found
1696 capstone = not_found
1697 if not get_option('capstone').auto() or have_system or have_user
1698 capstone = dependency('capstone', version: '>=3.0.5',
1699 method: 'pkg-config',
1700 required: get_option('capstone'))
1702 # Some versions of capstone have broken pkg-config file
1703 # that reports a wrong -I path, causing the #include to
1704 # fail later. If the system has such a broken version
1706 if capstone.found() and not cc.compiles('#include <capstone.h>',
1707 dependencies: [capstone])
1708 capstone = not_found
1709 if get_option('capstone').enabled()
1710 error('capstone requested, but it does not appear to work')
1715 gmp = dependency('gmp', required: false, method: 'pkg-config')
1716 if nettle.found() and gmp.found()
1717 hogweed = dependency('hogweed', version: '>=3.4',
1718 method: 'pkg-config',
1719 required: get_option('nettle'))
1726 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1728 if get_option('gtk') \
1729 .disable_auto_if(not have_system) \
1730 .require(pixman.found(),
1731 error_message: 'cannot enable GTK if pixman is not available') \
1733 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1734 method: 'pkg-config',
1735 required: get_option('gtk'))
1737 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1738 method: 'pkg-config',
1740 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1741 version: gtk.version())
1743 if not get_option('vte').auto() or have_system
1744 vte = dependency('vte-2.91',
1745 method: 'pkg-config',
1746 required: get_option('vte'))
1748 elif have_gtk_clipboard
1749 error('GTK clipboard requested, but GTK not found')
1755 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1758 if get_option('png').allowed() and have_system
1759 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1760 method: 'pkg-config')
1765 if get_option('vnc') \
1766 .disable_auto_if(not have_system) \
1767 .require(pixman.found(),
1768 error_message: 'cannot enable VNC if pixman is not available') \
1770 vnc = declare_dependency() # dummy dependency
1771 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1772 method: 'pkg-config')
1773 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1774 required: get_option('vnc_sasl'))
1776 sasl = declare_dependency(dependencies: sasl,
1777 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1782 if not get_option('auth_pam').auto() or have_system
1783 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1784 required: get_option('auth_pam'))
1786 if pam.found() and not cc.links('''
1788 #include <security/pam_appl.h>
1790 const char *service_name = "qemu";
1791 const char *user = "frank";
1792 const struct pam_conv pam_conv = { 0 };
1793 pam_handle_t *pamh = NULL;
1794 pam_start(service_name, user, &pam_conv, &pamh);
1796 }''', dependencies: pam)
1798 if get_option('auth_pam').enabled()
1799 error('could not link libpam')
1801 warning('could not link libpam, disabling')
1806 if not get_option('snappy').auto() or have_system
1807 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1808 required: get_option('snappy'))
1810 if snappy.found() and not cc.links('''
1811 #include <snappy-c.h>
1812 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1814 if get_option('snappy').enabled()
1815 error('could not link libsnappy')
1817 warning('could not link libsnappy, disabling')
1822 if not get_option('lzo').auto() or have_system
1823 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1824 required: get_option('lzo'))
1826 if lzo.found() and not cc.links('''
1827 #include <lzo/lzo1x.h>
1828 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1830 if get_option('lzo').enabled()
1831 error('could not link liblzo2')
1833 warning('could not link liblzo2, disabling')
1838 if not get_option('numa').auto() or have_system or have_tools
1839 numa = cc.find_library('numa', has_headers: ['numa.h'],
1840 required: get_option('numa'))
1842 if numa.found() and not cc.links('''
1844 int main(void) { return numa_available(); }
1845 ''', dependencies: numa)
1847 if get_option('numa').enabled()
1848 error('could not link numa')
1850 warning('could not link numa, disabling')
1855 if not get_option('rdma').auto() or have_system
1856 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1857 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1858 required: get_option('rdma')),
1859 cc.find_library('ibverbs', required: get_option('rdma')),
1861 rdma = declare_dependency(dependencies: rdma_libs)
1862 foreach lib: rdma_libs
1870 if not get_option('smartcard').auto() or have_system
1871 cacard = dependency('libcacard', required: get_option('smartcard'),
1872 version: '>=2.5.1', method: 'pkg-config')
1875 if not get_option('u2f').auto() or have_system
1876 u2f = dependency('u2f-emu', required: get_option('u2f'),
1877 method: 'pkg-config')
1880 if not get_option('canokey').auto() or have_system
1881 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1882 method: 'pkg-config')
1884 usbredir = not_found
1885 if not get_option('usb_redir').auto() or have_system
1886 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1887 version: '>=0.6', method: 'pkg-config')
1890 if not get_option('libusb').auto() or have_system
1891 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1892 version: '>=1.0.13', method: 'pkg-config')
1896 if not get_option('libpmem').auto() or have_system
1897 libpmem = dependency('libpmem', required: get_option('libpmem'),
1898 method: 'pkg-config')
1900 libdaxctl = not_found
1901 if not get_option('libdaxctl').auto() or have_system
1902 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1903 version: '>=57', method: 'pkg-config')
1907 tasn1 = dependency('libtasn1',
1908 method: 'pkg-config')
1910 keyutils = not_found
1911 if not get_option('libkeyutils').auto() or have_block
1912 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1913 method: 'pkg-config')
1916 has_gettid = cc.has_function('gettid')
1919 selinux = dependency('libselinux',
1920 required: get_option('selinux'),
1921 method: 'pkg-config')
1926 if get_option('malloc') == 'system'
1928 get_option('malloc_trim').allowed() and \
1929 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1931 has_malloc_trim = false
1932 malloc = cc.find_library(get_option('malloc'), required: true)
1934 if not has_malloc_trim and get_option('malloc_trim').enabled()
1935 if get_option('malloc') == 'system'
1936 error('malloc_trim not available on this platform.')
1938 error('malloc_trim not available with non-libc memory allocator')
1942 gnu_source_prefix = '''
1948 # Check whether the glibc provides STATX_BASIC_STATS
1950 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1952 # Check whether statx() provides mount ID information
1954 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1956 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1957 .require(host_os == 'linux',
1958 error_message: 'vhost_user_blk_server requires linux') \
1959 .require(have_vhost_user,
1960 error_message: 'vhost_user_blk_server requires vhost-user support') \
1961 .disable_auto_if(not have_tools and not have_system) \
1964 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1965 error('Cannot enable fuse-lseek while fuse is disabled')
1968 fuse = dependency('fuse3', required: get_option('fuse'),
1969 version: '>=3.1', method: 'pkg-config')
1971 fuse_lseek = not_found
1972 if get_option('fuse_lseek').allowed()
1973 if fuse.version().version_compare('>=3.8')
1975 fuse_lseek = declare_dependency()
1976 elif get_option('fuse_lseek').enabled()
1978 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1980 error('fuse-lseek requires libfuse, which was not found')
1985 have_libvduse = (host_os == 'linux')
1986 if get_option('libvduse').enabled()
1987 if host_os != 'linux'
1988 error('libvduse requires linux')
1990 elif get_option('libvduse').disabled()
1991 have_libvduse = false
1994 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
1995 if get_option('vduse_blk_export').enabled()
1996 if host_os != 'linux'
1997 error('vduse_blk_export requires linux')
1998 elif not have_libvduse
1999 error('vduse_blk_export requires libvduse support')
2001 elif get_option('vduse_blk_export').disabled()
2002 have_vduse_blk_export = false
2006 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
2007 if libbpf.found() and not cc.links('''
2008 #include <bpf/libbpf.h>
2011 bpf_object__destroy_skeleton(NULL);
2013 }''', dependencies: libbpf)
2015 if get_option('bpf').enabled()
2016 error('libbpf skeleton test failed')
2018 warning('libbpf skeleton test failed, disabling')
2024 if not get_option('af_xdp').auto() or have_system
2025 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2026 version: '>=1.4.0', method: 'pkg-config')
2031 if not get_option('libdw').auto() or \
2032 (not get_option('prefer_static') and (have_system or have_user))
2033 libdw = dependency('libdw',
2034 method: 'pkg-config',
2035 required: get_option('libdw'))
2042 config_host_data = configuration_data()
2044 audio_drivers_selected = []
2046 audio_drivers_available = {
2047 'alsa': alsa.found(),
2048 'coreaudio': coreaudio.found(),
2049 'dsound': dsound.found(),
2050 'jack': jack.found(),
2052 'pa': pulse.found(),
2053 'pipewire': pipewire.found(),
2055 'sndio': sndio.found(),
2057 foreach k, v: audio_drivers_available
2058 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2061 # Default to native drivers first, OSS second, SDL third
2062 audio_drivers_priority = \
2063 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2064 (host_os == 'linux' ? [] : [ 'sdl' ])
2065 audio_drivers_default = []
2066 foreach k: audio_drivers_priority
2067 if audio_drivers_available[k]
2068 audio_drivers_default += k
2072 foreach k: get_option('audio_drv_list')
2074 audio_drivers_selected += audio_drivers_default
2075 elif not audio_drivers_available[k]
2076 error('Audio driver "@0@" not available.'.format(k))
2078 audio_drivers_selected += k
2082 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2083 '"' + '", "'.join(audio_drivers_selected) + '", ')
2085 have_host_block_device = (host_os != 'darwin' or
2086 cc.has_header('IOKit/storage/IOMedia.h'))
2088 dbus_display = get_option('dbus_display') \
2089 .require(gio.version().version_compare('>=2.64'),
2090 error_message: '-display dbus requires glib>=2.64') \
2091 .require(gdbus_codegen.found(),
2092 error_message: gdbus_codegen_error.format('-display dbus')) \
2095 have_virtfs = get_option('virtfs') \
2096 .require(host_os == 'linux' or host_os == 'darwin',
2097 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2098 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2099 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2100 .require(host_os == 'darwin' or libattr.found(),
2101 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2102 .disable_auto_if(not have_tools and not have_system) \
2105 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2106 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2107 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2108 .disable_auto_if(not have_tools) \
2109 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2112 if get_option('block_drv_ro_whitelist') == ''
2113 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2115 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2116 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2118 if get_option('block_drv_rw_whitelist') == ''
2119 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2121 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2122 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2125 foreach k : get_option('trace_backends')
2126 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2128 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2129 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2131 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2133 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2134 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2135 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2136 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2137 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2139 qemu_firmwarepath = ''
2140 foreach k : get_option('qemu_firmwarepath')
2141 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2143 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2145 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2146 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2147 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2148 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2149 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2150 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2153 config_host_data.set('CONFIG_STAMP', run_command(
2154 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2155 meson.project_version(), get_option('pkgversion'), '--',
2156 meson.current_source_dir() / 'configure',
2157 capture: true, check: true).stdout().strip())
2160 have_slirp_smbd = get_option('slirp_smbd') \
2161 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2164 smbd_path = get_option('smbd')
2166 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2168 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2171 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2173 kvm_targets_c = '""'
2174 if get_option('kvm').allowed() and host_os == 'linux'
2175 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2177 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2179 if get_option('module_upgrades') and not enable_modules
2180 error('Cannot enable module-upgrades as modules are not enabled')
2182 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2184 config_host_data.set('CONFIG_ATTR', libattr.found())
2185 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2186 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2187 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2188 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2189 config_host_data.set('CONFIG_COCOA', cocoa.found())
2190 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2191 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2192 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2193 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2194 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2195 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2196 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2197 config_host_data.set('CONFIG_LZO', lzo.found())
2198 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2199 config_host_data.set('CONFIG_BLKIO', blkio.found())
2201 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2202 blkio.version().version_compare('>=1.3.0'))
2204 config_host_data.set('CONFIG_CURL', curl.found())
2205 config_host_data.set('CONFIG_CURSES', curses.found())
2206 config_host_data.set('CONFIG_GBM', gbm.found())
2207 config_host_data.set('CONFIG_GIO', gio.found())
2208 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2209 if glusterfs.found()
2210 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2211 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2212 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2213 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2214 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2215 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2217 config_host_data.set('CONFIG_GTK', gtk.found())
2218 config_host_data.set('CONFIG_VTE', vte.found())
2219 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2220 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2221 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2222 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2223 config_host_data.set('CONFIG_EBPF', libbpf.found())
2224 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2225 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2226 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2227 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2228 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2229 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2230 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2231 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2232 config_host_data.set('CONFIG_MODULES', enable_modules)
2233 config_host_data.set('CONFIG_NUMA', numa.found())
2235 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2236 cc.has_function('numa_has_preferred_many',
2237 dependencies: numa))
2239 config_host_data.set('CONFIG_OPENGL', opengl.found())
2240 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2241 config_host_data.set('CONFIG_RBD', rbd.found())
2242 config_host_data.set('CONFIG_RDMA', rdma.found())
2243 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2244 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2245 config_host_data.set('CONFIG_SDL', sdl.found())
2246 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2247 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2249 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2251 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2252 config_host_data.set('CONFIG_SLIRP', slirp.found())
2253 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2254 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2255 if get_option('tcg').allowed()
2256 config_host_data.set('CONFIG_TCG', 1)
2257 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2259 config_host_data.set('CONFIG_TPM', have_tpm)
2260 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2261 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2262 config_host_data.set('CONFIG_VDE', vde.found())
2263 config_host_data.set('CONFIG_VHOST', have_vhost)
2264 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2265 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2266 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2267 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2268 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2269 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2270 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2271 config_host_data.set('CONFIG_VMNET', vmnet.found())
2272 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2273 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2274 config_host_data.set('CONFIG_PNG', png.found())
2275 config_host_data.set('CONFIG_VNC', vnc.found())
2276 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2277 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2279 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2280 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2281 prefix: '#include <virglrenderer.h>',
2282 dependencies: virgl))
2284 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2285 config_host_data.set('CONFIG_VTE', vte.found())
2286 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2287 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2288 config_host_data.set('CONFIG_GETTID', has_gettid)
2289 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2290 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2291 config_host_data.set('CONFIG_TASN1', tasn1.found())
2292 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2293 config_host_data.set('CONFIG_NETTLE', nettle.found())
2294 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2295 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2296 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2297 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2298 config_host_data.set('CONFIG_STATX', has_statx)
2299 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2300 config_host_data.set('CONFIG_ZSTD', zstd.found())
2301 config_host_data.set('CONFIG_FUSE', fuse.found())
2302 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2303 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2304 if spice_protocol.found()
2305 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2306 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2307 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2309 config_host_data.set('CONFIG_SPICE', spice.found())
2310 config_host_data.set('CONFIG_X11', x11.found())
2311 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2312 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2313 config_host_data.set('CONFIG_SELINUX', selinux.found())
2314 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2315 config_host_data.set('CONFIG_LIBDW', libdw.found())
2317 # protect from xen.version() having less than three components
2318 xen_version = xen.version().split('.') + ['0', '0']
2319 xen_ctrl_version = xen_version[0] + \
2320 ('0' + xen_version[1]).substring(-2) + \
2321 ('0' + xen_version[2]).substring(-2)
2322 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2324 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2325 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2326 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2327 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2329 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2330 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2332 have_coroutine_pool = get_option('coroutine_pool')
2333 if get_option('debug_stack_usage') and have_coroutine_pool
2334 message('Disabling coroutine pool to measure stack usage')
2335 have_coroutine_pool = false
2337 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2338 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2339 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2340 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2341 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2342 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2343 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2344 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2347 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2348 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2349 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2350 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2351 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2352 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2353 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2354 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2355 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2356 if host_os == 'windows'
2357 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2361 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2362 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2363 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2364 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2365 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2366 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2367 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2368 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2369 # Note that we need to specify prefix: here to avoid incorrectly
2370 # thinking that Windows has posix_memalign()
2371 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2372 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2373 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2374 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2375 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2376 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2377 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2378 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2379 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2380 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2381 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2382 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2383 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2384 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2385 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2386 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2387 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2388 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2390 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2391 cc.has_function('rbd_namespace_exists',
2393 prefix: '#include <rbd/librbd.h>'))
2396 config_host_data.set('HAVE_IBV_ADVISE_MR',
2397 cc.has_function('ibv_advise_mr',
2399 prefix: '#include <infiniband/verbs.h>'))
2402 have_asan_fiber = false
2403 if get_option('sanitizers') and \
2404 not cc.has_function('__sanitizer_start_switch_fiber',
2405 args: '-fsanitize=address',
2406 prefix: '#include <sanitizer/asan_interface.h>')
2407 warning('Missing ASAN due to missing fiber annotation interface')
2408 warning('Without code annotation, the report may be inferior.')
2410 have_asan_fiber = true
2412 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2414 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2415 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2417 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2419 inotify = cc.find_library('inotify')
2420 if have_inotify_init
2421 have_inotify_init = inotify.found()
2423 if have_inotify_init1
2424 have_inotify_init1 = inotify.found()
2427 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2428 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2431 config_host_data.set('CONFIG_BLKZONED',
2432 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2433 config_host_data.set('CONFIG_EPOLL_CREATE1',
2434 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2435 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2436 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2437 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2438 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2439 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2440 config_host_data.set('CONFIG_FIEMAP',
2441 cc.has_header('linux/fiemap.h') and
2442 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2443 config_host_data.set('CONFIG_GETRANDOM',
2444 cc.has_function('getrandom') and
2445 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2446 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2447 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2448 config_host_data.set('CONFIG_RTNETLINK',
2449 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2450 config_host_data.set('CONFIG_SYSMACROS',
2451 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2452 config_host_data.set('HAVE_OPTRESET',
2453 cc.has_header_symbol('getopt.h', 'optreset'))
2454 config_host_data.set('HAVE_IPPROTO_MPTCP',
2455 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2458 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2459 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2460 prefix: '#include <signal.h>'))
2461 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2462 cc.has_member('struct stat', 'st_atim',
2463 prefix: '#include <sys/stat.h>'))
2464 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2465 cc.has_member('struct blk_zone', 'capacity',
2466 prefix: '#include <linux/blkzoned.h>'))
2469 config_host_data.set('CONFIG_IOVEC',
2470 cc.has_type('struct iovec',
2471 prefix: '#include <sys/uio.h>'))
2472 config_host_data.set('HAVE_UTMPX',
2473 cc.has_type('struct utmpx',
2474 prefix: '#include <utmpx.h>'))
2476 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2477 #include <sys/eventfd.h>
2478 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2479 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2482 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2483 return fdatasync(0);
2485 #error Not supported
2489 has_madvise = cc.links(gnu_source_prefix + '''
2490 #include <sys/types.h>
2491 #include <sys/mman.h>
2493 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2494 missing_madvise_proto = false
2496 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2497 # but forget to prototype it. In this case, has_madvise will be true (the
2498 # test program links despite a compile warning). To detect the
2499 # missing-prototype case, we try again with a definitely-bogus prototype.
2500 # This will only compile if the system headers don't provide the prototype;
2501 # otherwise the conflicting prototypes will cause a compiler error.
2502 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2503 #include <sys/types.h>
2504 #include <sys/mman.h>
2506 extern int madvise(int);
2507 int main(void) { return madvise(0); }''')
2509 config_host_data.set('CONFIG_MADVISE', has_madvise)
2510 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2512 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2513 #include <sys/mman.h>
2514 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2515 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2517 #if !defined(AT_EMPTY_PATH)
2518 # error missing definition
2520 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2522 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2523 #include <sys/mman.h>
2525 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2527 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2528 #include <pthread.h>
2530 static void *f(void *p) { return NULL; }
2534 pthread_create(&thread, 0, f, 0);
2535 pthread_setname_np(thread, "QEMU");
2537 }''', dependencies: threads))
2538 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2539 #include <pthread.h>
2541 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2545 pthread_create(&thread, 0, f, 0);
2547 }''', dependencies: threads))
2548 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2549 #include <pthread.h>
2550 #include <pthread_np.h>
2552 static void *f(void *p) { return NULL; }
2556 pthread_create(&thread, 0, f, 0);
2557 pthread_set_name_np(thread, "QEMU");
2559 }''', dependencies: threads))
2560 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2561 #include <pthread.h>
2566 pthread_condattr_t attr
2567 pthread_condattr_init(&attr);
2568 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2570 }''', dependencies: threads))
2571 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2572 #include <pthread.h>
2574 static void *f(void *p) { return NULL; }
2577 int setsize = CPU_ALLOC_SIZE(64);
2580 pthread_create(&thread, 0, f, 0);
2581 cpuset = CPU_ALLOC(64);
2582 CPU_ZERO_S(setsize, cpuset);
2583 pthread_setaffinity_np(thread, setsize, cpuset);
2584 pthread_getaffinity_np(thread, setsize, cpuset);
2587 }''', dependencies: threads))
2588 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2589 #include <sys/signalfd.h>
2591 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2592 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2600 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2601 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2605 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2606 #include <sys/mman.h>
2608 return mlockall(MCL_FUTURE);
2612 if get_option('l2tpv3').allowed() and have_system
2613 have_l2tpv3 = cc.has_type('struct mmsghdr',
2614 prefix: gnu_source_prefix + '''
2615 #include <sys/socket.h>
2616 #include <linux/ip.h>''')
2618 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2621 if get_option('netmap').allowed() and have_system
2622 have_netmap = cc.compiles('''
2623 #include <inttypes.h>
2625 #include <net/netmap.h>
2626 #include <net/netmap_user.h>
2627 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2630 int main(void) { return 0; }''')
2631 if not have_netmap and get_option('netmap').enabled()
2632 error('Netmap headers not available')
2635 config_host_data.set('CONFIG_NETMAP', have_netmap)
2637 # Work around a system header bug with some kernel/XFS header
2638 # versions where they both try to define 'struct fsxattr':
2639 # xfs headers will not try to redefine structs from linux headers
2640 # if this macro is set.
2641 config_host_data.set('HAVE_FSXATTR', cc.links('''
2642 #include <linux/fs.h>
2648 # Some versions of Mac OS X incorrectly define SIZE_MAX
2649 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2653 return printf("%zu", SIZE_MAX);
2654 }''', args: ['-Werror']))
2656 # See if 64-bit atomic operations are supported.
2657 # Note that without __atomic builtins, we can only
2658 # assume atomic loads/stores max at pointer size.
2659 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2663 uint64_t x = 0, y = 0;
2664 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2665 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2666 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2667 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2668 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2672 has_int128_type = cc.compiles('''
2675 int main(void) { b = a; }''')
2676 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2678 has_int128 = has_int128_type and cc.links('''
2687 config_host_data.set('CONFIG_INT128', has_int128)
2690 # "do we have 128-bit atomics which are handled inline and specifically not
2691 # via libatomic". The reason we can't use libatomic is documented in the
2692 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2693 # We only care about these operations on 16-byte aligned pointers, so
2694 # force 16-byte alignment of the pointer, which may be greater than
2695 # __alignof(unsigned __int128) for the host.
2696 atomic_test_128 = '''
2697 int main(int ac, char **av) {
2698 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2699 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2700 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2701 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2704 has_atomic128 = cc.links(atomic_test_128)
2706 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2708 if not has_atomic128
2709 # Even with __builtin_assume_aligned, the above test may have failed
2710 # without optimization enabled. Try again with optimizations locally
2711 # enabled for the function. See
2712 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2713 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2714 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2716 if not has_atomic128_opt
2717 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2720 __uint128_t x = 0, y = 0;
2721 __sync_val_compare_and_swap_16(&x, y, x);
2729 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2730 #include <sys/auxv.h>
2732 return getauxval(AT_HWCAP) == 0;
2735 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2736 #include <linux/usbdevice_fs.h>
2738 #ifndef USBDEVFS_GET_CAPABILITIES
2739 #error "USBDEVFS_GET_CAPABILITIES undefined"
2742 #ifndef USBDEVFS_DISCONNECT_CLAIM
2743 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2746 int main(void) { return 0; }'''))
2748 have_keyring = get_option('keyring') \
2749 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2750 .require(cc.compiles('''
2752 #include <asm/unistd.h>
2753 #include <linux/keyctl.h>
2754 #include <sys/syscall.h>
2757 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2758 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2759 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2761 have_cpuid_h = cc.links('''
2764 unsigned a, b, c, d;
2765 unsigned max = __get_cpuid_max(0, 0);
2768 __cpuid(1, a, b, c, d);
2772 __cpuid_count(7, 0, a, b, c, d);
2777 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2779 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2780 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2781 .require(cc.links('''
2783 #include <immintrin.h>
2784 static int __attribute__((target("avx2"))) bar(void *a) {
2785 __m256i x = *(__m256i *)a;
2786 return _mm256_testz_si256(x, x);
2788 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2789 '''), error_message: 'AVX2 not available').allowed())
2791 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2792 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2793 .require(cc.links('''
2795 #include <immintrin.h>
2796 static int __attribute__((target("avx512f"))) bar(void *a) {
2797 __m512i x = *(__m512i *)a;
2798 return _mm512_test_epi64_mask(x, x);
2800 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2801 '''), error_message: 'AVX512F not available').allowed())
2803 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2804 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2805 .require(cc.links('''
2807 #include <immintrin.h>
2808 static int __attribute__((target("avx512bw"))) bar(void *a) {
2810 __m512i res= _mm512_abs_epi8(*x);
2813 int main(int argc, char *argv[]) { return bar(argv[0]); }
2814 '''), error_message: 'AVX512BW not available').allowed())
2816 # For both AArch64 and AArch32, detect if builtins are available.
2817 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2818 #include <arm_neon.h>
2819 #ifndef __ARM_FEATURE_AES
2820 __attribute__((target("+crypto")))
2822 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2825 have_pvrdma = get_option('pvrdma') \
2826 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2827 .require(cc.compiles(gnu_source_prefix + '''
2828 #include <sys/mman.h>
2833 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2836 }'''), error_message: 'PVRDMA requires mremap').allowed()
2839 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2840 #include <infiniband/verbs.h>
2844 struct ibv_pd *pd = NULL;
2850 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2856 if get_option('membarrier').disabled()
2857 have_membarrier = false
2858 elif host_os == 'windows'
2859 have_membarrier = true
2860 elif host_os == 'linux'
2861 have_membarrier = cc.compiles('''
2862 #include <linux/membarrier.h>
2863 #include <sys/syscall.h>
2867 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2868 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2872 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2873 .require(have_membarrier, error_message: 'membarrier system call not available') \
2876 have_afalg = get_option('crypto_afalg') \
2877 .require(cc.compiles(gnu_source_prefix + '''
2879 #include <sys/types.h>
2880 #include <sys/socket.h>
2881 #include <linux/if_alg.h>
2884 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2887 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2888 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2890 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2891 'linux/vm_sockets.h', 'AF_VSOCK',
2892 prefix: '#include <sys/socket.h>',
2896 have_vss_sdk = false # old xp/2003 SDK
2897 if host_os == 'windows' and 'cpp' in all_languages
2898 have_vss = cxx.compiles('''
2899 #define __MIDL_user_allocate_free_DEFINED__
2901 int main(void) { return VSS_CTX_BACKUP; }''')
2902 have_vss_sdk = cxx.has_header('vscoordint.h')
2904 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2906 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2907 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2908 if host_os == 'windows'
2909 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2915 }''', name: '_lock_file and _unlock_file'))
2918 if host_os == 'windows'
2919 mingw_has_setjmp_longjmp = cc.links('''
2923 * These functions are not available in setjmp header, but may be
2924 * available at link time, from libmingwex.a.
2926 extern int __mingw_setjmp(jmp_buf);
2927 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2929 __mingw_setjmp(env);
2930 __mingw_longjmp(env, 0);
2932 ''', name: 'mingw setjmp and longjmp')
2934 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2935 error('mingw must provide setjmp/longjmp for windows-arm64')
2939 ########################
2940 # Target configuration #
2941 ########################
2943 minikconf = find_program('scripts/minikconf.py')
2945 config_all_accel = {}
2946 config_all_devices = {}
2947 config_devices_mak_list = []
2948 config_devices_h = {}
2949 config_target_h = {}
2950 config_target_mak = {}
2953 'alpha' : ['CONFIG_ALPHA_DIS'],
2954 'avr' : ['CONFIG_AVR_DIS'],
2955 'cris' : ['CONFIG_CRIS_DIS'],
2956 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2957 'hppa' : ['CONFIG_HPPA_DIS'],
2958 'i386' : ['CONFIG_I386_DIS'],
2959 'x86_64' : ['CONFIG_I386_DIS'],
2960 'm68k' : ['CONFIG_M68K_DIS'],
2961 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2962 'mips' : ['CONFIG_MIPS_DIS'],
2963 'nios2' : ['CONFIG_NIOS2_DIS'],
2964 'or1k' : ['CONFIG_OPENRISC_DIS'],
2965 'ppc' : ['CONFIG_PPC_DIS'],
2966 'riscv' : ['CONFIG_RISCV_DIS'],
2967 'rx' : ['CONFIG_RX_DIS'],
2968 's390' : ['CONFIG_S390_DIS'],
2969 'sh4' : ['CONFIG_SH4_DIS'],
2970 'sparc' : ['CONFIG_SPARC_DIS'],
2971 'xtensa' : ['CONFIG_XTENSA_DIS'],
2972 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2975 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2977 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2978 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2979 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2980 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2981 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2982 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2983 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2984 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2985 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2986 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2987 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2988 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2989 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2990 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2991 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2992 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2994 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2996 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2997 actual_target_dirs = []
2999 foreach target : target_dirs
3000 config_target = { 'TARGET_NAME': target.split('-')[0] }
3001 if target.endswith('linux-user')
3002 if host_os != 'linux'
3006 error('Target @0@ is only available on a Linux host'.format(target))
3008 config_target += { 'CONFIG_LINUX_USER': 'y' }
3009 elif target.endswith('bsd-user')
3010 if host_os not in bsd_oses
3014 error('Target @0@ is only available on a BSD host'.format(target))
3016 config_target += { 'CONFIG_BSD_USER': 'y' }
3017 elif target.endswith('softmmu')
3018 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3019 config_target += { 'CONFIG_SOFTMMU': 'y' }
3021 if target.endswith('-user')
3023 'CONFIG_USER_ONLY': 'y',
3024 'CONFIG_QEMU_INTERP_PREFIX':
3025 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3030 foreach sym: accelerators
3031 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3032 config_target += { sym: 'y' }
3033 config_all_accel += { sym: 'y' }
3034 if target in modular_tcg
3035 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3037 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3039 accel_kconfig += [ sym + '=y' ]
3042 if accel_kconfig.length() == 0
3046 error('No accelerator available for target @0@'.format(target))
3049 actual_target_dirs += target
3050 config_target += keyval.load('configs/targets' / target + '.mak')
3051 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3053 if 'TARGET_NEED_FDT' in config_target
3054 fdt_required += target
3058 if 'TARGET_BASE_ARCH' not in config_target
3059 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3061 if 'TARGET_ABI_DIR' not in config_target
3062 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3064 if 'TARGET_BIG_ENDIAN' not in config_target
3065 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3068 foreach k, v: disassemblers
3069 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3071 config_target += { sym: 'y' }
3076 config_target_data = configuration_data()
3077 foreach k, v: config_target
3078 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3080 elif ignored.contains(k)
3082 elif k == 'TARGET_BASE_ARCH'
3083 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3084 # not used to select files from sourcesets.
3085 config_target_data.set('TARGET_' + v.to_upper(), 1)
3086 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3087 config_target_data.set_quoted(k, v)
3089 config_target_data.set(k, 1)
3091 config_target_data.set(k, 0)
3093 config_target_data.set(k, v)
3096 config_target_data.set('QEMU_ARCH',
3097 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3098 config_target_h += {target: configure_file(output: target + '-config-target.h',
3099 configuration: config_target_data)}
3101 if target.endswith('-softmmu')
3102 config_input = meson.get_external_property(target, 'default')
3103 config_devices_mak = target + '-config-devices.mak'
3104 config_devices_mak = configure_file(
3105 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3106 output: config_devices_mak,
3107 depfile: config_devices_mak + '.d',
3109 command: [minikconf,
3110 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3111 config_devices_mak, '@DEPFILE@', '@INPUT@',
3112 host_kconfig, accel_kconfig,
3113 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3115 config_devices_data = configuration_data()
3116 config_devices = keyval.load(config_devices_mak)
3117 foreach k, v: config_devices
3118 config_devices_data.set(k, 1)
3120 config_devices_mak_list += config_devices_mak
3121 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3122 configuration: config_devices_data)}
3123 config_target += config_devices
3124 config_all_devices += config_devices
3126 config_target_mak += {target: config_target}
3128 target_dirs = actual_target_dirs
3130 target_configs_h = []
3131 foreach target: target_dirs
3132 target_configs_h += config_target_h[target]
3133 target_configs_h += config_devices_h.get(target, [])
3135 genh += custom_target('config-poison.h',
3136 input: [target_configs_h],
3137 output: 'config-poison.h',
3139 command: [find_program('scripts/make-config-poison.sh'),
3146 libvfio_user_dep = not_found
3147 if have_system and vfio_user_server_allowed
3148 libvfio_user_proj = subproject('libvfio-user', required: true)
3149 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3153 fdt_opt = get_option('fdt')
3154 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3155 if fdt_opt == 'disabled'
3156 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3159 if fdt_opt in ['enabled', 'auto', 'system']
3160 if get_option('wrap_mode') == 'nodownload'
3163 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3164 if fdt.found() and cc.links('''
3166 #include <libfdt_env.h>
3167 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3170 elif fdt_opt == 'system'
3171 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3173 fdt_opt = 'internal'
3178 assert(fdt_opt == 'internal')
3179 libfdt_proj = subproject('dtc', required: true,
3180 default_options: ['tools=false', 'yaml=disabled',
3181 'python=disabled', 'default_library=static'])
3182 fdt = libfdt_proj.get_variable('libfdt_dep')
3185 fdt_opt = 'disabled'
3188 config_host_data.set('CONFIG_FDT', fdt.found())
3190 vhost_user = not_found
3191 if host_os == 'linux' and have_vhost_user
3192 libvhost_user = subproject('libvhost-user')
3193 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3196 libvduse = not_found
3198 libvduse_proj = subproject('libvduse')
3199 libvduse = libvduse_proj.get_variable('libvduse_dep')
3202 #####################
3203 # Generated sources #
3204 #####################
3206 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3208 hxtool = find_program('scripts/hxtool')
3209 shaderinclude = find_program('scripts/shaderinclude.py')
3210 qapi_gen = find_program('scripts/qapi-gen.py')
3211 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3212 meson.current_source_dir() / 'scripts/qapi/commands.py',
3213 meson.current_source_dir() / 'scripts/qapi/common.py',
3214 meson.current_source_dir() / 'scripts/qapi/error.py',
3215 meson.current_source_dir() / 'scripts/qapi/events.py',
3216 meson.current_source_dir() / 'scripts/qapi/expr.py',
3217 meson.current_source_dir() / 'scripts/qapi/gen.py',
3218 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3219 meson.current_source_dir() / 'scripts/qapi/main.py',
3220 meson.current_source_dir() / 'scripts/qapi/parser.py',
3221 meson.current_source_dir() / 'scripts/qapi/schema.py',
3222 meson.current_source_dir() / 'scripts/qapi/source.py',
3223 meson.current_source_dir() / 'scripts/qapi/types.py',
3224 meson.current_source_dir() / 'scripts/qapi/visit.py',
3225 meson.current_source_dir() / 'scripts/qapi-gen.py'
3229 python, files('scripts/tracetool.py'),
3230 '--backend=' + ','.join(get_option('trace_backends'))
3232 tracetool_depends = files(
3233 'scripts/tracetool/backend/log.py',
3234 'scripts/tracetool/backend/__init__.py',
3235 'scripts/tracetool/backend/dtrace.py',
3236 'scripts/tracetool/backend/ftrace.py',
3237 'scripts/tracetool/backend/simple.py',
3238 'scripts/tracetool/backend/syslog.py',
3239 'scripts/tracetool/backend/ust.py',
3240 'scripts/tracetool/format/ust_events_c.py',
3241 'scripts/tracetool/format/ust_events_h.py',
3242 'scripts/tracetool/format/__init__.py',
3243 'scripts/tracetool/format/d.py',
3244 'scripts/tracetool/format/simpletrace_stap.py',
3245 'scripts/tracetool/format/c.py',
3246 'scripts/tracetool/format/h.py',
3247 'scripts/tracetool/format/log_stap.py',
3248 'scripts/tracetool/format/stap.py',
3249 'scripts/tracetool/__init__.py',
3250 'scripts/tracetool/vcpu.py'
3253 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3254 meson.current_source_dir(),
3255 get_option('pkgversion'), meson.project_version()]
3256 qemu_version = custom_target('qemu-version.h',
3257 output: 'qemu-version.h',
3258 command: qemu_version_cmd,
3260 build_by_default: true,
3261 build_always_stale: true)
3262 genh += qemu_version
3266 ['qemu-options.hx', 'qemu-options.def'],
3267 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3271 ['hmp-commands.hx', 'hmp-commands.h'],
3272 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3275 foreach d : hx_headers
3276 hxdep += custom_target(d[1],
3280 command: [hxtool, '-h', '@INPUT0@'])
3288 # TODO: add each directory to the subdirs from its own meson.build, once
3290 trace_events_subdirs = [
3299 trace_events_subdirs += [ 'linux-user' ]
3302 trace_events_subdirs += [ 'bsd-user' ]
3305 trace_events_subdirs += [
3314 trace_events_subdirs += [
3379 if have_system or have_user
3380 trace_events_subdirs += [
3403 authz_ss = ss.source_set()
3404 blockdev_ss = ss.source_set()
3405 block_ss = ss.source_set()
3406 chardev_ss = ss.source_set()
3407 common_ss = ss.source_set()
3408 crypto_ss = ss.source_set()
3409 hwcore_ss = ss.source_set()
3410 io_ss = ss.source_set()
3411 qmp_ss = ss.source_set()
3412 qom_ss = ss.source_set()
3413 system_ss = ss.source_set()
3414 specific_fuzz_ss = ss.source_set()
3415 specific_ss = ss.source_set()
3416 stub_ss = ss.source_set()
3417 trace_ss = ss.source_set()
3418 user_ss = ss.source_set()
3419 util_ss = ss.source_set()
3422 qtest_module_ss = ss.source_set()
3423 tcg_module_ss = ss.source_set()
3429 target_system_arch = {}
3430 target_user_arch = {}
3432 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3433 # that is filled in by qapi/.
3447 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3448 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3451 qom_ss = qom_ss.apply({})
3452 libqom = static_library('qom', qom_ss.sources() + genh,
3453 dependencies: [qom_ss.dependencies()],
3455 build_by_default: false)
3456 qom = declare_dependency(link_whole: libqom)
3458 event_loop_base = files('event-loop-base.c')
3459 event_loop_base = static_library('event-loop-base',
3460 sources: event_loop_base + genh,
3462 build_by_default: false)
3463 event_loop_base = declare_dependency(link_whole: event_loop_base,
3464 dependencies: [qom])
3466 stub_ss = stub_ss.apply({})
3468 util_ss.add_all(trace_ss)
3469 util_ss = util_ss.apply({})
3470 libqemuutil = static_library('qemuutil',
3471 build_by_default: false,
3472 sources: util_ss.sources() + stub_ss.sources() + genh,
3473 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3474 qemuutil = declare_dependency(link_with: libqemuutil,
3475 sources: genh + version_res,
3476 dependencies: [event_loop_base])
3478 if have_system or have_user
3479 decodetree = generator(find_program('scripts/decodetree.py'),
3480 output: 'decode-@BASENAME@.c.inc',
3481 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3482 subdir('libdecnumber')
3499 if config_host_data.get('CONFIG_REPLICATION')
3500 block_ss.add(files('replication.c'))
3507 blockdev_ss.add(files(
3514 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3515 # os-win32.c does not
3516 if host_os == 'windows'
3517 system_ss.add(files('os-win32.c'))
3519 blockdev_ss.add(files('os-posix.c'))
3523 common_ss.add(files('cpu-common.c'))
3524 specific_ss.add(files('cpu-target.c'))
3528 # Work around a gcc bug/misfeature wherein constant propagation looks
3530 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3531 # to guess that a const variable is always zero. Without lto, this is
3532 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3533 # without lto, not even the alias is required -- we simply use different
3534 # declarations in different compilation units.
3535 pagevary = files('page-vary-common.c')
3536 if get_option('b_lto')
3537 pagevary_flags = ['-fno-lto']
3538 if get_option('cfi')
3539 pagevary_flags += '-fno-sanitize=cfi-icall'
3541 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3542 c_args: pagevary_flags)
3543 pagevary = declare_dependency(link_with: pagevary)
3545 common_ss.add(pagevary)
3546 specific_ss.add(files('page-vary-target.c'))
3554 subdir('semihosting')
3562 common_user_inc = []
3564 subdir('common-user')
3566 subdir('linux-user')
3568 # needed for fuzzing binaries
3569 subdir('tests/qtest/libqos')
3570 subdir('tests/qtest/fuzz')
3573 tcg_real_module_ss = ss.source_set()
3574 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3575 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3576 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3577 'tcg': tcg_real_module_ss }}
3579 ##############################################
3580 # Internal static_libraries and dependencies #
3581 ##############################################
3583 modinfo_collect = find_program('scripts/modinfo-collect.py')
3584 modinfo_generate = find_program('scripts/modinfo-generate.py')
3589 foreach d, list : modules
3590 if not (d == 'block' ? have_block : have_system)
3594 foreach m, module_ss : list
3596 module_ss = module_ss.apply(config_all_devices, strict: false)
3597 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3598 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3604 if module_ss.sources() != []
3605 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3606 # input. Sources can be used multiple times but objects are
3607 # unique when it comes to lookup in compile_commands.json.
3608 # Depnds on a mesion version with
3609 # https://github.com/mesonbuild/meson/pull/8900
3610 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3611 output: d + '-' + m + '.modinfo',
3612 input: module_ss.sources() + genh,
3614 command: [modinfo_collect, module_ss.sources()])
3618 block_ss.add_all(module_ss)
3620 system_ss.add_all(module_ss)
3626 foreach d, list : target_modules
3627 foreach m, module_ss : list
3629 foreach target : target_dirs
3630 if target.endswith('-softmmu')
3631 config_target = config_target_mak[target]
3632 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3633 c_args = ['-DNEED_CPU_H',
3634 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3635 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3636 target_module_ss = module_ss.apply(config_target, strict: false)
3637 if target_module_ss.sources() != []
3638 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3639 sl = static_library(module_name,
3640 [genh, target_module_ss.sources()],
3641 dependencies: [modulecommon, target_module_ss.dependencies()],
3642 include_directories: target_inc,
3646 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3647 modinfo_files += custom_target(module_name + '.modinfo',
3648 output: module_name + '.modinfo',
3649 input: target_module_ss.sources() + genh,
3651 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3656 specific_ss.add_all(module_ss)
3662 foreach target : target_dirs
3663 if target.endswith('-softmmu')
3664 config_target = config_target_mak[target]
3665 config_devices_mak = target + '-config-devices.mak'
3666 modinfo_src = custom_target('modinfo-' + target + '.c',
3667 output: 'modinfo-' + target + '.c',
3668 input: modinfo_files,
3669 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3672 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3673 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3675 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3676 hw_arch[arch].add(modinfo_dep)
3681 nm = find_program('nm')
3682 undefsym = find_program('scripts/undefsym.py')
3683 block_syms = custom_target('block.syms', output: 'block.syms',
3684 input: [libqemuutil, block_mods],
3686 command: [undefsym, nm, '@INPUT@'])
3687 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3688 input: [libqemuutil, system_mods],
3690 command: [undefsym, nm, '@INPUT@'])
3692 authz_ss = authz_ss.apply({})
3693 libauthz = static_library('authz', authz_ss.sources() + genh,
3694 dependencies: [authz_ss.dependencies()],
3696 build_by_default: false)
3698 authz = declare_dependency(link_whole: libauthz,
3701 crypto_ss = crypto_ss.apply({})
3702 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3703 dependencies: [crypto_ss.dependencies()],
3705 build_by_default: false)
3707 crypto = declare_dependency(link_whole: libcrypto,
3708 dependencies: [authz, qom])
3710 io_ss = io_ss.apply({})
3711 libio = static_library('io', io_ss.sources() + genh,
3712 dependencies: [io_ss.dependencies()],
3713 link_with: libqemuutil,
3715 build_by_default: false)
3717 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3719 libmigration = static_library('migration', sources: migration_files + genh,
3721 build_by_default: false)
3722 migration = declare_dependency(link_with: libmigration,
3723 dependencies: [zlib, qom, io])
3724 system_ss.add(migration)
3726 block_ss = block_ss.apply({})
3727 libblock = static_library('block', block_ss.sources() + genh,
3728 dependencies: block_ss.dependencies(),
3729 link_depends: block_syms,
3731 build_by_default: false)
3733 block = declare_dependency(link_whole: [libblock],
3734 link_args: '@block.syms',
3735 dependencies: [crypto, io])
3737 blockdev_ss = blockdev_ss.apply({})
3738 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3739 dependencies: blockdev_ss.dependencies(),
3741 build_by_default: false)
3743 blockdev = declare_dependency(link_whole: [libblockdev],
3744 dependencies: [block, event_loop_base])
3746 qmp_ss = qmp_ss.apply({})
3747 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3748 dependencies: qmp_ss.dependencies(),
3750 build_by_default: false)
3752 qmp = declare_dependency(link_whole: [libqmp])
3754 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3756 dependencies: chardev_ss.dependencies(),
3757 build_by_default: false)
3759 chardev = declare_dependency(link_whole: libchardev)
3761 hwcore_ss = hwcore_ss.apply({})
3762 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3764 build_by_default: false)
3765 hwcore = declare_dependency(link_whole: libhwcore)
3766 common_ss.add(hwcore)
3772 emulator_modules = []
3773 foreach m : block_mods + system_mods
3774 emulator_modules += shared_module(m.name(),
3775 build_by_default: true,
3779 install_dir: qemu_moddir)
3781 if emulator_modules.length() > 0
3782 alias_target('modules', emulator_modules)
3785 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3786 common_ss.add(qom, qemuutil)
3788 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3789 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3791 # Note that this library is never used directly (only through extract_objects)
3792 # and is not built by default; therefore, source files not used by the build
3793 # configuration will be in build.ninja, but are never built by default.
3794 common_all = static_library('common',
3795 build_by_default: false,
3796 sources: common_ss.all_sources() + genh,
3797 include_directories: common_user_inc,
3798 implicit_include_directories: false,
3799 dependencies: common_ss.all_dependencies(),
3802 feature_to_c = find_program('scripts/feature_to_c.py')
3804 if host_os == 'darwin'
3805 entitlement = find_program('scripts/entitlement.sh')
3809 foreach target : target_dirs
3810 config_target = config_target_mak[target]
3811 target_name = config_target['TARGET_NAME']
3812 target_base_arch = config_target['TARGET_BASE_ARCH']
3813 arch_srcs = [config_target_h[target]]
3815 c_args = ['-DNEED_CPU_H',
3816 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3817 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3818 link_args = emulator_link_args
3820 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3821 if host_os == 'linux'
3822 target_inc += include_directories('linux-headers', is_system: true)
3824 if target.endswith('-softmmu')
3825 target_type='system'
3826 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3827 arch_srcs += t.sources()
3828 arch_deps += t.dependencies()
3830 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3831 if hw_arch.has_key(hw_dir)
3832 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3833 arch_srcs += hw.sources()
3834 arch_deps += hw.dependencies()
3837 arch_srcs += config_devices_h[target]
3838 link_args += ['@block.syms', '@qemu.syms']
3840 abi = config_target['TARGET_ABI_DIR']
3842 target_inc += common_user_inc
3843 if target_base_arch in target_user_arch
3844 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3845 arch_srcs += t.sources()
3846 arch_deps += t.dependencies()
3848 if 'CONFIG_LINUX_USER' in config_target
3849 base_dir = 'linux-user'
3851 if 'CONFIG_BSD_USER' in config_target
3852 base_dir = 'bsd-user'
3853 target_inc += include_directories('bsd-user/' / host_os)
3854 target_inc += include_directories('bsd-user/host/' / host_arch)
3855 dir = base_dir / abi
3856 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3858 target_inc += include_directories(
3862 if 'CONFIG_LINUX_USER' in config_target
3863 dir = base_dir / abi
3864 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3865 if config_target.has_key('TARGET_SYSTBL_ABI')
3867 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3868 extra_args : config_target['TARGET_SYSTBL_ABI'])
3873 if 'TARGET_XML_FILES' in config_target
3874 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3875 output: target + '-gdbstub-xml.c',
3876 input: files(config_target['TARGET_XML_FILES'].split()),
3877 command: [feature_to_c, '@INPUT@'],
3879 arch_srcs += gdbstub_xml
3882 t = target_arch[target_base_arch].apply(config_target, strict: false)
3883 arch_srcs += t.sources()
3884 arch_deps += t.dependencies()
3886 target_common = common_ss.apply(config_target, strict: false)
3887 objects = common_all.extract_objects(target_common.sources())
3888 deps = target_common.dependencies()
3890 target_specific = specific_ss.apply(config_target, strict: false)
3891 arch_srcs += target_specific.sources()
3892 arch_deps += target_specific.dependencies()
3894 lib = static_library('qemu-' + target,
3895 sources: arch_srcs + genh,
3896 dependencies: arch_deps,
3898 include_directories: target_inc,
3900 build_by_default: false,
3903 if target.endswith('-softmmu')
3905 'name': 'qemu-system-' + target_name,
3906 'win_subsystem': 'console',
3907 'sources': files('system/main.c'),
3910 if host_os == 'windows' and (sdl.found() or gtk.found())
3912 'name': 'qemu-system-' + target_name + 'w',
3913 'win_subsystem': 'windows',
3914 'sources': files('system/main.c'),
3918 if get_option('fuzzing')
3919 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3921 'name': 'qemu-fuzz-' + target_name,
3922 'win_subsystem': 'console',
3923 'sources': specific_fuzz.sources(),
3924 'dependencies': specific_fuzz.dependencies(),
3929 'name': 'qemu-' + target_name,
3930 'win_subsystem': 'console',
3936 exe_name = exe['name']
3937 if host_os == 'darwin'
3938 exe_name += '-unsigned'
3941 emulator = executable(exe_name, exe['sources'],
3944 dependencies: arch_deps + deps + exe['dependencies'],
3945 objects: lib.extract_all_objects(recursive: true),
3946 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3947 link_args: link_args,
3948 win_subsystem: exe['win_subsystem'])
3950 if host_os == 'darwin'
3951 icon = 'pc-bios/qemu.rsrc'
3952 build_input = [emulator, files(icon)]
3954 get_option('bindir') / exe_name,
3955 meson.current_source_dir() / icon
3957 if 'CONFIG_HVF' in config_target
3958 entitlements = 'accel/hvf/entitlements.plist'
3959 build_input += files(entitlements)
3960 install_input += meson.current_source_dir() / entitlements
3963 emulators += {exe['name'] : custom_target(exe['name'],
3965 output: exe['name'],
3966 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3969 meson.add_install_script(entitlement, '--install',
3970 get_option('bindir') / exe['name'],
3973 emulators += {exe['name']: emulator}
3978 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3979 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3980 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3981 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3983 custom_target(exe['name'] + stp['ext'],
3984 input: trace_events_all,
3985 output: exe['name'] + stp['ext'],
3986 install: stp['install'],
3987 install_dir: get_option('datadir') / 'systemtap/tapset',
3989 tracetool, '--group=all', '--format=' + stp['fmt'],
3990 '--binary=' + stp['bin'],
3991 '--target-name=' + target_name,
3992 '--target-type=' + target_type,
3993 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3994 '@INPUT@', '@OUTPUT@'
3996 depend_files: tracetool_depends)
4002 # Other build targets
4004 if get_option('plugins')
4005 install_headers('include/qemu/qemu-plugin.h')
4006 if host_os == 'windows'
4007 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4008 # so that plugin authors can compile against it.
4009 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4015 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4016 # when we don't build tools or system
4017 if xkbcommon.found()
4018 # used for the update-keymaps target, so include rules even if !have_tools
4019 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4020 dependencies: [qemuutil, xkbcommon], install: have_tools)
4024 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4025 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4026 qemu_io = executable('qemu-io', files('qemu-io.c'),
4027 dependencies: [block, qemuutil], install: true)
4028 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4029 dependencies: [blockdev, qemuutil, gnutls, selinux],
4032 subdir('storage-daemon')
4033 subdir('contrib/rdmacm-mux')
4034 subdir('contrib/elf2dmp')
4036 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4037 dependencies: qemuutil,
4041 subdir('contrib/vhost-user-blk')
4042 subdir('contrib/vhost-user-gpu')
4043 subdir('contrib/vhost-user-input')
4044 subdir('contrib/vhost-user-scsi')
4047 if host_os == 'linux'
4048 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4049 dependencies: [qemuutil, libcap_ng],
4051 install_dir: get_option('libexecdir'))
4053 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4054 dependencies: [authz, crypto, io, qom, qemuutil,
4055 libcap_ng, mpathpersist],
4060 subdir('contrib/ivshmem-client')
4061 subdir('contrib/ivshmem-server')
4074 if host_machine.system() == 'windows'
4076 find_program('scripts/nsis.py'),
4078 get_option('prefix'),
4079 meson.current_source_dir(),
4080 glib_pc.get_variable('bindir'),
4083 '-DDISPLAYVERSION=' + meson.project_version(),
4086 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4089 nsis_cmd += '-DCONFIG_GTK=y'
4092 nsis = custom_target('nsis',
4093 output: 'qemu-setup-' + meson.project_version() + '.exe',
4094 input: files('qemu.nsi'),
4095 build_always_stale: true,
4096 command: nsis_cmd + ['@INPUT@'])
4097 alias_target('installer', nsis)
4100 #########################
4101 # Configuration summary #
4102 #########################
4106 summary_info += {'Build directory': meson.current_build_dir()}
4107 summary_info += {'Source path': meson.current_source_dir()}
4108 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4109 summary(summary_info, bool_yn: true, section: 'Build environment')
4112 summary_info += {'Install prefix': get_option('prefix')}
4113 summary_info += {'BIOS directory': qemu_datadir}
4114 pathsep = host_os == 'windows' ? ';' : ':'
4115 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4116 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4117 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4118 summary_info += {'module directory': qemu_moddir}
4119 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4120 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4121 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4122 if host_os != 'windows'
4123 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4124 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4126 summary_info += {'local state directory': 'queried at runtime'}
4128 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4129 summary(summary_info, bool_yn: true, section: 'Directories')
4133 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4134 summary_info += {'sphinx-build': sphinx_build}
4136 # FIXME: the [binaries] section of machine files, which can be probed
4137 # with find_program(), would be great for passing gdb and genisoimage
4138 # paths from configure to Meson. However, there seems to be no way to
4139 # hide a program (for example if gdb is too old).
4140 if config_host.has_key('GDB')
4141 summary_info += {'gdb': config_host['GDB']}
4143 summary_info += {'iasl': iasl}
4144 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4145 if host_os == 'windows' and have_ga
4146 summary_info += {'wixl': wixl}
4148 if slirp.found() and have_system
4149 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4151 summary(summary_info, bool_yn: true, section: 'Host binaries')
4153 # Configurable features
4155 summary_info += {'Documentation': build_docs}
4156 summary_info += {'system-mode emulation': have_system}
4157 summary_info += {'user-mode emulation': have_user}
4158 summary_info += {'block layer': have_block}
4159 summary_info += {'Install blobs': get_option('install_blobs')}
4160 summary_info += {'module support': enable_modules}
4162 summary_info += {'alternative module path': get_option('module_upgrades')}
4164 summary_info += {'fuzzing support': get_option('fuzzing')}
4166 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4168 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4169 if 'simple' in get_option('trace_backends')
4170 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4172 summary_info += {'D-Bus display': dbus_display}
4173 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4174 summary_info += {'Relocatable install': get_option('relocatable')}
4175 summary_info += {'vhost-kernel support': have_vhost_kernel}
4176 summary_info += {'vhost-net support': have_vhost_net}
4177 summary_info += {'vhost-user support': have_vhost_user}
4178 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4179 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4180 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4181 summary_info += {'build guest agent': have_ga}
4182 summary(summary_info, bool_yn: true, section: 'Configurable features')
4184 # Compilation information
4186 summary_info += {'host CPU': cpu}
4187 summary_info += {'host endianness': build_machine.endian()}
4188 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4189 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4190 if 'cpp' in all_languages
4191 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4193 summary_info += {'C++ compiler': false}
4195 if 'objc' in all_languages
4196 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4198 summary_info += {'Objective-C compiler': false}
4200 option_cflags = (get_option('debug') ? ['-g'] : [])
4201 if get_option('optimization') != 'plain'
4202 option_cflags += ['-O' + get_option('optimization')]
4204 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4205 if 'cpp' in all_languages
4206 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4208 if 'objc' in all_languages
4209 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4211 link_args = get_option('c_link_args')
4212 if link_args.length() > 0
4213 summary_info += {'LDFLAGS': ' '.join(link_args)}
4215 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4216 if 'cpp' in all_languages
4217 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4219 if 'objc' in all_languages
4220 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4222 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4223 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4224 summary_info += {'PIE': get_option('b_pie')}
4225 summary_info += {'static build': get_option('prefer_static')}
4226 summary_info += {'malloc trim support': has_malloc_trim}
4227 summary_info += {'membarrier': have_membarrier}
4228 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4229 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4230 summary_info += {'mutex debugging': get_option('debug_mutex')}
4231 summary_info += {'memory allocator': get_option('malloc')}
4232 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4233 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4234 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4235 summary_info += {'gcov': get_option('b_coverage')}
4236 summary_info += {'thread sanitizer': get_option('tsan')}
4237 summary_info += {'CFI support': get_option('cfi')}
4238 if get_option('cfi')
4239 summary_info += {'CFI debug support': get_option('cfi_debug')}
4241 summary_info += {'strip binaries': get_option('strip')}
4242 summary_info += {'sparse': sparse}
4243 summary_info += {'mingw32 support': host_os == 'windows'}
4244 summary(summary_info, bool_yn: true, section: 'Compilation')
4246 # snarf the cross-compilation information for tests
4249 foreach target: target_dirs
4250 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4251 if fs.exists(tcg_mak)
4252 config_cross_tcg = keyval.load(tcg_mak)
4253 if 'CC' in config_cross_tcg
4254 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4260 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4263 # Targets and accelerators
4266 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4267 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4268 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4269 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4270 summary_info += {'Xen support': xen.found()}
4272 summary_info += {'xen ctrl version': xen.version()}
4274 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4276 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4277 if config_all_accel.has_key('CONFIG_TCG')
4278 if get_option('tcg_interpreter')
4279 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4281 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4283 summary_info += {'TCG plugins': get_option('plugins')}
4284 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4286 summary_info += {'target list': ' '.join(target_dirs)}
4288 summary_info += {'default devices': get_option('default_devices')}
4289 summary_info += {'out of process emulation': multiprocess_allowed}
4290 summary_info += {'vfio-user server': vfio_user_server_allowed}
4292 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4296 summary_info += {'coroutine backend': coroutine_backend}
4297 summary_info += {'coroutine pool': have_coroutine_pool}
4299 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4300 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4301 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4302 summary_info += {'VirtFS (9P) support': have_virtfs}
4303 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4304 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4305 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4306 summary_info += {'bochs support': get_option('bochs').allowed()}
4307 summary_info += {'cloop support': get_option('cloop').allowed()}
4308 summary_info += {'dmg support': get_option('dmg').allowed()}
4309 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4310 summary_info += {'vdi support': get_option('vdi').allowed()}
4311 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4312 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4313 summary_info += {'vpc support': get_option('vpc').allowed()}
4314 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4315 summary_info += {'qed support': get_option('qed').allowed()}
4316 summary_info += {'parallels support': get_option('parallels').allowed()}
4317 summary_info += {'FUSE exports': fuse}
4318 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4320 summary(summary_info, bool_yn: true, section: 'Block layer support')
4324 summary_info += {'TLS priority': get_option('tls_priority')}
4325 summary_info += {'GNUTLS support': gnutls}
4327 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4329 summary_info += {'libgcrypt': gcrypt}
4330 summary_info += {'nettle': nettle}
4332 summary_info += {' XTS': xts != 'private'}
4334 summary_info += {'SM4 ALG support': crypto_sm4}
4335 summary_info += {'AF_ALG support': have_afalg}
4336 summary_info += {'rng-none': get_option('rng_none')}
4337 summary_info += {'Linux keyring': have_keyring}
4338 summary_info += {'Linux keyutils': keyutils}
4339 summary(summary_info, bool_yn: true, section: 'Crypto')
4343 if host_os == 'darwin'
4344 summary_info += {'Cocoa support': cocoa}
4346 summary_info += {'SDL support': sdl}
4347 summary_info += {'SDL image support': sdl_image}
4348 summary_info += {'GTK support': gtk}
4349 summary_info += {'pixman': pixman}
4350 summary_info += {'VTE support': vte}
4351 summary_info += {'PNG support': png}
4352 summary_info += {'VNC support': vnc}
4354 summary_info += {'VNC SASL support': sasl}
4355 summary_info += {'VNC JPEG support': jpeg}
4357 summary_info += {'spice protocol support': spice_protocol}
4358 if spice_protocol.found()
4359 summary_info += {' spice server support': spice}
4361 summary_info += {'curses support': curses}
4362 summary_info += {'brlapi support': brlapi}
4363 summary(summary_info, bool_yn: true, section: 'User interface')
4367 summary_info += {'VirGL support': virgl}
4368 summary_info += {'Rutabaga support': rutabaga}
4369 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4373 if host_os not in ['darwin', 'haiku', 'windows']
4374 summary_info += {'OSS support': oss}
4375 summary_info += {'sndio support': sndio}
4376 elif host_os == 'darwin'
4377 summary_info += {'CoreAudio support': coreaudio}
4378 elif host_os == 'windows'
4379 summary_info += {'DirectSound support': dsound}
4381 if host_os == 'linux'
4382 summary_info += {'ALSA support': alsa}
4383 summary_info += {'PulseAudio support': pulse}
4385 summary_info += {'PipeWire support': pipewire}
4386 summary_info += {'JACK support': jack}
4387 summary(summary_info, bool_yn: true, section: 'Audio backends')
4391 if host_os == 'darwin'
4392 summary_info += {'vmnet.framework support': vmnet}
4394 summary_info += {'AF_XDP support': libxdp}
4395 summary_info += {'slirp support': slirp}
4396 summary_info += {'vde support': vde}
4397 summary_info += {'netmap support': have_netmap}
4398 summary_info += {'l2tpv3 support': have_l2tpv3}
4399 summary(summary_info, bool_yn: true, section: 'Network backends')
4403 summary_info += {'libtasn1': tasn1}
4404 summary_info += {'PAM': pam}
4405 summary_info += {'iconv support': iconv}
4406 summary_info += {'blkio support': blkio}
4407 summary_info += {'curl support': curl}
4408 summary_info += {'Multipath support': mpathpersist}
4409 summary_info += {'Linux AIO support': libaio}
4410 summary_info += {'Linux io_uring support': linux_io_uring}
4411 summary_info += {'ATTR/XATTR support': libattr}
4412 summary_info += {'RDMA support': rdma}
4413 summary_info += {'PVRDMA support': have_pvrdma}
4414 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4415 summary_info += {'libcap-ng support': libcap_ng}
4416 summary_info += {'bpf support': libbpf}
4417 summary_info += {'rbd support': rbd}
4418 summary_info += {'smartcard support': cacard}
4419 summary_info += {'U2F support': u2f}
4420 summary_info += {'libusb': libusb}
4421 summary_info += {'usb net redir': usbredir}
4422 summary_info += {'OpenGL support (epoxy)': opengl}
4423 summary_info += {'GBM': gbm}
4424 summary_info += {'libiscsi support': libiscsi}
4425 summary_info += {'libnfs support': libnfs}
4426 if host_os == 'windows'
4428 summary_info += {'QGA VSS support': have_qga_vss}
4431 summary_info += {'seccomp support': seccomp}
4432 summary_info += {'GlusterFS support': glusterfs}
4433 summary_info += {'hv-balloon support': hv_balloon}
4434 summary_info += {'TPM support': have_tpm}
4435 summary_info += {'libssh support': libssh}
4436 summary_info += {'lzo support': lzo}
4437 summary_info += {'snappy support': snappy}
4438 summary_info += {'bzip2 support': libbzip2}
4439 summary_info += {'lzfse support': liblzfse}
4440 summary_info += {'zstd support': zstd}
4441 summary_info += {'NUMA host support': numa}
4442 summary_info += {'capstone': capstone}
4443 summary_info += {'libpmem support': libpmem}
4444 summary_info += {'libdaxctl support': libdaxctl}
4445 summary_info += {'libudev': libudev}
4446 # Dummy dependency, keep .found()
4447 summary_info += {'FUSE lseek': fuse_lseek.found()}
4448 summary_info += {'selinux': selinux}
4449 summary_info += {'libdw': libdw}
4450 if host_os == 'freebsd'
4451 summary_info += {'libinotify-kqueue': inotify}
4453 summary(summary_info, bool_yn: true, section: 'Dependencies')
4455 if host_arch == 'unknown'
4457 warning('UNSUPPORTED HOST CPU')
4459 message('Support for CPU host architecture ' + cpu + ' is not currently')
4460 message('maintained. The QEMU project does not guarantee that QEMU will')
4461 message('compile or work on this host CPU. You can help by volunteering')
4462 message('to maintain it and providing a build host for our continuous')
4463 message('integration setup.')
4464 if get_option('tcg').allowed() and target_dirs.length() > 0
4466 message('configure has succeeded and you can continue to build, but')
4467 message('QEMU will use a slow interpreter to emulate the target CPU.')
4471 if not supported_oses.contains(host_os)
4473 warning('UNSUPPORTED HOST OS')
4475 message('Support for host OS ' + host_os + 'is not currently maintained.')
4476 message('configure has succeeded and you can continue to build, but')
4477 message('the QEMU project does not guarantee that QEMU will compile or')
4478 message('work on this operating system. You can help by volunteering')
4479 message('to maintain it and providing a build host for our continuous')
4480 message('integration setup. This will ensure that future versions of QEMU')
4481 message('will keep working on ' + host_os + '.')
4484 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4486 message('If you want to help supporting QEMU on this platform, please')
4487 message('contact the developers at qemu-devel@nongnu.org.')
4490 actually_reloc = get_option('relocatable')
4491 # check if get_relocated_path() is actually able to relocate paths
4492 if get_option('relocatable') and \
4493 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4495 warning('bindir not included within prefix, the installation will not be relocatable.')
4496 actually_reloc = false
4498 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4499 if host_os == 'windows'
4501 warning('Windows installs should usually be relocatable.')
4504 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4505 message('Use --disable-relocatable to remove this warning.')