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 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
556 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
558 # Collect warnings that we want to enable
563 '-Wmissing-prototypes',
564 '-Wstrict-prototypes',
566 '-Wold-style-declaration',
567 '-Wold-style-definition',
572 '-Wignored-qualifiers',
576 '-Wexpansion-to-defined',
577 '-Wimplicit-fallthrough=2',
578 '-Wmissing-format-attribute',
579 '-Wno-initializer-overrides',
580 '-Wno-missing-include-dirs',
581 '-Wno-shift-negative-value',
582 '-Wno-string-plus-int',
583 '-Wno-typedef-redefinition',
584 '-Wno-tautological-type-limit-compare',
586 '-Wno-gnu-variable-sized-type-not-at-end',
590 if host_os != 'darwin'
591 warn_flags += ['-Wthread-safety']
594 # Set up C++ compiler flags
596 if 'cpp' in all_languages
597 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
600 add_project_arguments(qemu_cflags, native: false, language: 'c')
601 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
602 if 'cpp' in all_languages
603 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
604 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
606 if 'objc' in all_languages
607 # Note sanitizer flags are not applied to Objective-C sources!
608 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
610 if host_os == 'linux'
611 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
612 '-isystem', 'linux-headers',
613 language: all_languages)
616 add_project_arguments('-iquote', '.',
617 '-iquote', meson.current_source_dir(),
618 '-iquote', meson.current_source_dir() / 'include',
619 language: all_languages)
621 # If a host-specific include directory exists, list that first...
622 host_include = meson.current_source_dir() / 'host/include/'
623 if fs.is_dir(host_include / host_arch)
624 add_project_arguments('-iquote', host_include / host_arch,
625 language: all_languages)
627 # ... followed by the generic fallback.
628 add_project_arguments('-iquote', host_include / 'generic',
629 language: all_languages)
631 sparse = find_program('cgcc', required: get_option('sparse'))
634 command: [find_program('scripts/check_sparse.py'),
635 'compile_commands.json', sparse.full_path(), '-Wbitwise',
636 '-Wno-transparent-union', '-Wno-old-initializer',
637 '-Wno-non-pointer-null'])
640 #####################################
641 # Host-specific libraries and flags #
642 #####################################
644 libm = cc.find_library('m', required: false)
645 threads = dependency('threads')
646 util = cc.find_library('util', required: false)
652 emulator_link_args = []
657 if host_os == 'windows'
658 midl = find_program('midl', required: false)
659 widl = find_program('widl', required: false)
660 pathcch = cc.find_library('pathcch')
661 socket = cc.find_library('ws2_32')
662 winmm = cc.find_library('winmm')
664 win = import('windows')
665 version_res = win.compile_resources('version.rc',
666 depend_files: files('pc-bios/qemu-nsis.ico'),
667 include_directories: include_directories('.'))
669 elif host_os == 'darwin'
670 coref = dependency('appleframeworks', modules: 'CoreFoundation')
671 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
672 host_dsosuf = '.dylib'
673 elif host_os == 'sunos'
674 socket = [cc.find_library('socket'),
675 cc.find_library('nsl'),
676 cc.find_library('resolv')]
677 elif host_os == 'haiku'
678 socket = [cc.find_library('posix_error_mapper'),
679 cc.find_library('network'),
680 cc.find_library('bsd')]
681 elif host_os == 'openbsd'
682 if get_option('tcg').allowed() and target_dirs.length() > 0
683 # Disable OpenBSD W^X if available
684 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
688 ###############################################
689 # Host-specific configuration of accelerators #
690 ###############################################
693 if get_option('kvm').allowed() and host_os == 'linux'
694 accelerators += 'CONFIG_KVM'
696 if get_option('whpx').allowed() and host_os == 'windows'
697 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
698 error('WHPX requires 64-bit host')
699 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
700 cc.has_header('winhvemulation.h', required: get_option('whpx'))
701 accelerators += 'CONFIG_WHPX'
706 if get_option('hvf').allowed()
707 hvf = dependency('appleframeworks', modules: 'Hypervisor',
708 required: get_option('hvf'))
710 accelerators += 'CONFIG_HVF'
715 if host_os == 'netbsd'
716 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
718 accelerators += 'CONFIG_NVMM'
723 if get_option('tcg').allowed()
724 if host_arch == 'unknown'
725 if not get_option('tcg_interpreter')
726 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
728 elif get_option('tcg_interpreter')
729 warning('Use of the TCG interpreter is not recommended on this host')
730 warning('architecture. There is a native TCG execution backend available')
731 warning('which provides substantially better performance and reliability.')
732 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
733 warning('configuration option on this architecture to use the native')
736 if get_option('tcg_interpreter')
738 elif host_arch == 'x86_64'
740 elif host_arch == 'ppc64'
743 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
744 language: all_languages)
746 accelerators += 'CONFIG_TCG'
749 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
750 error('KVM not available on this platform')
752 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
753 error('HVF not available on this platform')
755 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
756 error('NVMM not available on this platform')
758 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
759 error('WHPX not available on this platform')
763 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
764 xencontrol = dependency('xencontrol', required: false,
765 method: 'pkg-config')
766 if xencontrol.found()
767 xen_pc = declare_dependency(version: xencontrol.version(),
770 # disabler: true makes xen_pc.found() return false if any is not found
771 dependency('xenstore', required: false,
772 method: 'pkg-config',
774 dependency('xenforeignmemory', required: false,
775 method: 'pkg-config',
777 dependency('xengnttab', required: false,
778 method: 'pkg-config',
780 dependency('xenevtchn', required: false,
781 method: 'pkg-config',
783 dependency('xendevicemodel', required: false,
784 method: 'pkg-config',
786 # optional, no "disabler: true"
787 dependency('xentoolcore', required: false,
788 method: 'pkg-config')])
794 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
796 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
797 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
798 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
799 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
800 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
803 foreach ver: xen_tests
804 # cache the various library tests to avoid polluting the logs
806 foreach l: xen_libs[ver]
808 xen_deps += { l: cc.find_library(l, required: false) }
810 xen_test_deps += xen_deps[l]
813 # Use -D to pick just one of the test programs in scripts/xen-detect.c
814 xen_version = ver.split('.')
815 xen_ctrl_version = xen_version[0] + \
816 ('0' + xen_version[1]).substring(-2) + \
817 ('0' + xen_version[2]).substring(-2)
818 if cc.links(files('scripts/xen-detect.c'),
819 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
820 dependencies: xen_test_deps)
821 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
827 accelerators += 'CONFIG_XEN'
828 elif get_option('xen').enabled()
829 error('could not compile and link Xen test program')
832 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
833 .require(xen.found(),
834 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
835 .require(host_os == 'linux',
836 error_message: 'Xen PCI passthrough not available on this platform') \
837 .require(cpu == 'x86' or cpu == 'x86_64',
838 error_message: 'Xen PCI passthrough not available on this platform') \
845 # When bumping glib minimum version, please check also whether to increase
846 # the _WIN32_WINNT setting in osdep.h according to the value from glib
847 glib_req_ver = '>=2.56.0'
848 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
849 method: 'pkg-config')
852 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
853 method: 'pkg-config')
854 elif get_option('plugins')
855 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
856 method: 'pkg-config')
861 # This workaround is required due to a bug in pkg-config file for glib as it
862 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
863 if host_os == 'windows' and get_option('prefer_static')
864 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
867 # Sanity check that the current size_t matches the
868 # size that glib thinks it should be. This catches
869 # problems on multi-arch where people try to build
870 # 32-bit QEMU while pointing at 64-bit glib headers
872 if not cc.compiles('''
876 #define QEMU_BUILD_BUG_ON(x) \
877 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
880 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
882 }''', dependencies: glib_pc, args: glib_cflags)
883 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
884 You probably need to set PKG_CONFIG_LIBDIR" to point
885 to the right pkg-config files for your build target.''')
888 # Silence clang warnings triggered by glib < 2.57.2
889 if not cc.compiles('''
894 static void foo_free(Foo *f)
898 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
899 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
900 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
902 glib = declare_dependency(dependencies: [glib_pc, gmodule],
903 compile_args: glib_cflags,
904 version: glib_pc.version())
906 # Check whether glib has gslice, which we have to avoid for correctness.
907 # TODO: remove this check and the corresponding workaround (qtree) when
908 # the minimum supported glib is >= 2.75.3
909 glib_has_gslice = glib.version().version_compare('<2.75.3')
911 # override glib dep to include the above refinements
912 meson.override_dependency('glib-2.0', glib)
914 # The path to glib.h is added to all compilation commands.
915 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
916 native: false, language: all_languages)
919 gdbus_codegen = not_found
920 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
921 if not get_option('gio').auto() or have_system
922 gio = dependency('gio-2.0', required: get_option('gio'),
923 method: 'pkg-config')
924 if gio.found() and not cc.links('''
928 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
930 }''', dependencies: [glib, gio])
931 if get_option('gio').enabled()
932 error('The installed libgio is broken for static linking')
937 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
938 required: get_option('gio'))
939 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
940 method: 'pkg-config')
941 gio = declare_dependency(dependencies: [gio, gio_unix],
942 version: gio.version())
945 if gdbus_codegen.found() and get_option('cfi')
946 gdbus_codegen = not_found
947 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
950 xml_pp = find_program('scripts/xml-preprocess.py')
953 if 'ust' in get_option('trace_backends')
954 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
955 method: 'pkg-config')
958 if not get_option('pixman').auto() or have_system or have_tools
959 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
960 method: 'pkg-config')
963 zlib = dependency('zlib', required: true)
966 if not get_option('linux_aio').auto() or have_block
967 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
968 required: get_option('linux_aio'))
971 linux_io_uring_test = '''
972 #include <liburing.h>
973 #include <linux/errqueue.h>
975 int main(void) { return 0; }'''
977 linux_io_uring = not_found
978 if not get_option('linux_io_uring').auto() or have_block
979 linux_io_uring = dependency('liburing', version: '>=0.3',
980 required: get_option('linux_io_uring'),
981 method: 'pkg-config')
982 if not cc.links(linux_io_uring_test)
983 linux_io_uring = not_found
988 if not get_option('libnfs').auto() or have_block
989 libnfs = dependency('libnfs', version: '>=1.9.3',
990 required: get_option('libnfs'),
991 method: 'pkg-config')
996 #include <sys/types.h>
997 #ifdef CONFIG_LIBATTR
998 #include <attr/xattr.h>
1000 #include <sys/xattr.h>
1002 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1005 have_old_libattr = false
1006 if get_option('attr').allowed()
1007 if cc.links(libattr_test)
1008 libattr = declare_dependency()
1010 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1011 required: get_option('attr'))
1012 if libattr.found() and not \
1013 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1015 if get_option('attr').enabled()
1016 error('could not link libattr')
1018 warning('could not link libattr, disabling')
1021 have_old_libattr = libattr.found()
1026 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1027 required: get_option('cocoa'))
1029 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1030 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1031 'VMNET_BRIDGED_MODE',
1032 dependencies: vmnet)
1034 if get_option('vmnet').enabled()
1035 error('vmnet.framework API is outdated')
1037 warning('vmnet.framework API is outdated, disabling')
1042 seccomp_has_sysrawrc = false
1043 if not get_option('seccomp').auto() or have_system or have_tools
1044 seccomp = dependency('libseccomp', version: '>=2.3.0',
1045 required: get_option('seccomp'),
1046 method: 'pkg-config')
1048 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1049 'SCMP_FLTATR_API_SYSRAWRC',
1050 dependencies: seccomp)
1054 libcap_ng = not_found
1055 if not get_option('cap_ng').auto() or have_system or have_tools
1056 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1057 required: get_option('cap_ng'))
1059 if libcap_ng.found() and not cc.links('''
1063 capng_capability_to_name(CAPNG_EFFECTIVE);
1065 }''', dependencies: libcap_ng)
1066 libcap_ng = not_found
1067 if get_option('cap_ng').enabled()
1068 error('could not link libcap-ng')
1070 warning('could not link libcap-ng, disabling')
1074 if get_option('xkbcommon').auto() and not have_system and not have_tools
1075 xkbcommon = not_found
1077 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1078 method: 'pkg-config')
1082 if not get_option('slirp').auto() or have_system
1083 slirp = dependency('slirp', required: get_option('slirp'),
1084 method: 'pkg-config')
1085 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1086 # it passes function pointers within libslirp as callbacks for timers.
1087 # When using a system-wide shared libslirp, the type information for the
1088 # callback is missing and the timer call produces a false positive with CFI.
1089 # Do not use the "version" keyword argument to produce a better error.
1090 # with control-flow integrity.
1091 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1092 if get_option('slirp').enabled()
1093 error('Control-Flow Integrity requires libslirp 4.7.')
1095 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1102 if not get_option('vde').auto() or have_system or have_tools
1103 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1104 required: get_option('vde'))
1106 if vde.found() and not cc.links('''
1107 #include <libvdeplug.h>
1110 struct vde_open_args a = {0, 0, 0};
1114 }''', dependencies: vde)
1116 if get_option('cap_ng').enabled()
1117 error('could not link libvdeplug')
1119 warning('could not link libvdeplug, disabling')
1124 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1125 pulse = dependency('libpulse', required: get_option('pa'),
1126 method: 'pkg-config')
1129 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1130 alsa = dependency('alsa', required: get_option('alsa'),
1131 method: 'pkg-config')
1134 if not get_option('jack').auto() or have_system
1135 jack = dependency('jack', required: get_option('jack'),
1136 method: 'pkg-config')
1138 pipewire = not_found
1139 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1140 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1141 required: get_option('pipewire'),
1142 method: 'pkg-config')
1145 if not get_option('sndio').auto() or have_system
1146 sndio = dependency('sndio', required: get_option('sndio'),
1147 method: 'pkg-config')
1150 spice_protocol = not_found
1151 if not get_option('spice_protocol').auto() or have_system
1152 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1153 required: get_option('spice_protocol'),
1154 method: 'pkg-config')
1157 if get_option('spice') \
1158 .disable_auto_if(not have_system) \
1159 .require(pixman.found(),
1160 error_message: 'cannot enable SPICE if pixman is not available') \
1162 spice = dependency('spice-server', version: '>=0.14.0',
1163 required: get_option('spice'),
1164 method: 'pkg-config')
1166 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1168 rt = cc.find_library('rt', required: false)
1170 libiscsi = not_found
1171 if not get_option('libiscsi').auto() or have_block
1172 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1173 required: get_option('libiscsi'),
1174 method: 'pkg-config')
1177 if not get_option('zstd').auto() or have_block
1178 zstd = dependency('libzstd', version: '>=1.4.0',
1179 required: get_option('zstd'),
1180 method: 'pkg-config')
1184 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1185 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1186 virgl = dependency('virglrenderer',
1187 method: 'pkg-config',
1188 required: get_option('virglrenderer'))
1190 rutabaga = not_found
1191 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1192 rutabaga = dependency('rutabaga_gfx_ffi',
1193 method: 'pkg-config',
1194 required: get_option('rutabaga_gfx'))
1197 if not get_option('blkio').auto() or have_block
1198 blkio = dependency('blkio',
1199 method: 'pkg-config',
1200 required: get_option('blkio'))
1203 if not get_option('curl').auto() or have_block
1204 curl = dependency('libcurl', version: '>=7.29.0',
1205 method: 'pkg-config',
1206 required: get_option('curl'))
1209 if host_os == 'linux' and (have_system or have_tools)
1210 libudev = dependency('libudev',
1211 method: 'pkg-config',
1212 required: get_option('libudev'))
1215 mpathlibs = [libudev]
1216 mpathpersist = not_found
1217 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1218 mpath_test_source = '''
1219 #include <libudev.h>
1220 #include <mpath_persist.h>
1221 unsigned mpath_mx_alloc_len = 1024;
1223 static struct config *multipath_conf;
1224 extern struct udev *udev;
1225 extern struct config *get_multipath_config(void);
1226 extern void put_multipath_config(struct config *conf);
1228 struct config *get_multipath_config(void) { return multipath_conf; }
1229 void put_multipath_config(struct config *conf) { }
1232 multipath_conf = mpath_lib_init();
1235 libmpathpersist = cc.find_library('mpathpersist',
1236 required: get_option('mpath'))
1237 if libmpathpersist.found()
1238 mpathlibs += libmpathpersist
1239 if get_option('prefer_static')
1240 mpathlibs += cc.find_library('devmapper',
1241 required: get_option('mpath'))
1243 mpathlibs += cc.find_library('multipath',
1244 required: get_option('mpath'))
1245 foreach lib: mpathlibs
1251 if mpathlibs.length() == 0
1252 msg = 'Dependencies missing for libmpathpersist'
1253 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1254 mpathpersist = declare_dependency(dependencies: mpathlibs)
1256 msg = 'Cannot detect libmpathpersist API'
1258 if not mpathpersist.found()
1259 if get_option('mpath').enabled()
1262 warning(msg + ', disabling')
1270 if have_system and get_option('curses').allowed()
1272 #if defined(__APPLE__) || defined(__OpenBSD__)
1273 #define _XOPEN_SOURCE_EXTENDED 1
1280 setlocale(LC_ALL, "");
1282 addwstr(L"wide chars\n");
1284 add_wch(WACS_DEGREE);
1288 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1289 curses = dependency(curses_dep_list,
1291 method: 'pkg-config')
1292 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1293 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1295 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1296 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1297 version: curses.version())
1299 msg = 'curses package not usable'
1303 if not curses.found()
1304 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1305 if host_os != 'windows' and not has_curses_h
1306 message('Trying with /usr/include/ncursesw')
1307 curses_compile_args += ['-I/usr/include/ncursesw']
1308 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1311 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1312 foreach curses_libname : curses_libname_list
1313 libcurses = cc.find_library(curses_libname,
1315 if libcurses.found()
1316 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1317 curses = declare_dependency(compile_args: curses_compile_args,
1318 dependencies: [libcurses])
1321 msg = 'curses library not usable'
1327 if get_option('iconv').allowed()
1328 foreach link_args : [ ['-liconv'], [] ]
1329 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1330 # We need to use libiconv if available because mixing libiconv's headers with
1331 # the system libc does not work.
1332 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1333 # included in the command line and libiconv will not be found.
1337 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1338 return conv != (iconv_t) -1;
1339 }''', args: link_args, dependencies: glib)
1340 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1345 if curses.found() and not iconv.found()
1346 if get_option('iconv').enabled()
1347 error('iconv not available')
1349 msg = 'iconv required for curses UI but not available'
1352 if not curses.found() and msg != ''
1353 if get_option('curses').enabled()
1356 warning(msg + ', disabling')
1362 if not get_option('brlapi').auto() or have_system
1363 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1364 required: get_option('brlapi'))
1365 if brlapi.found() and not cc.links('''
1368 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1370 if get_option('brlapi').enabled()
1371 error('could not link brlapi')
1373 warning('could not link brlapi, disabling')
1379 if not get_option('sdl').auto() or have_system
1380 sdl = dependency('sdl2', required: get_option('sdl'))
1381 sdl_image = not_found
1384 # Some versions of SDL have problems with -Wundef
1385 if not cc.compiles('''
1387 #include <SDL_syswm.h>
1388 int main(int argc, char *argv[]) { return 0; }
1389 ''', dependencies: sdl, args: '-Werror=undef')
1390 sdl = declare_dependency(compile_args: '-Wno-undef',
1392 version: sdl.version())
1394 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1395 method: 'pkg-config')
1397 if get_option('sdl_image').enabled()
1398 error('sdl-image required, but SDL was @0@'.format(
1399 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1401 sdl_image = not_found
1405 if not get_option('rbd').auto() or have_block
1406 librados = cc.find_library('rados', required: get_option('rbd'))
1407 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1408 required: get_option('rbd'))
1409 if librados.found() and librbd.found()
1412 #include <rbd/librbd.h>
1415 rados_create(&cluster, NULL);
1416 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1420 }''', dependencies: [librbd, librados])
1421 rbd = declare_dependency(dependencies: [librbd, librados])
1422 elif get_option('rbd').enabled()
1423 error('librbd >= 1.12.0 required')
1425 warning('librbd >= 1.12.0 not found, disabling')
1430 glusterfs = not_found
1431 glusterfs_ftruncate_has_stat = false
1432 glusterfs_iocb_has_stat = false
1433 if not get_option('glusterfs').auto() or have_block
1434 glusterfs = dependency('glusterfs-api', version: '>=3',
1435 required: get_option('glusterfs'),
1436 method: 'pkg-config')
1437 if glusterfs.found()
1438 glusterfs_ftruncate_has_stat = cc.links('''
1439 #include <glusterfs/api/glfs.h>
1444 /* new glfs_ftruncate() passes two additional args */
1445 return glfs_ftruncate(NULL, 0, NULL, NULL);
1447 ''', dependencies: glusterfs)
1448 glusterfs_iocb_has_stat = cc.links('''
1449 #include <glusterfs/api/glfs.h>
1451 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1453 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1459 glfs_io_cbk iocb = &glusterfs_iocb;
1460 iocb(NULL, 0 , NULL, NULL, NULL);
1463 ''', dependencies: glusterfs)
1468 if get_option('hv_balloon').allowed() and have_system
1471 #include <gmodule.h>
1475 tree = g_tree_new((GCompareFunc)strcmp);
1476 (void)g_tree_node_first(tree);
1477 g_tree_destroy(tree);
1480 ''', dependencies: glib)
1483 if get_option('hv_balloon').enabled()
1484 error('could not enable hv-balloon, update your glib')
1486 warning('could not find glib support for hv-balloon, disabling')
1492 if not get_option('libssh').auto() or have_block
1493 libssh = dependency('libssh', version: '>=0.8.7',
1494 method: 'pkg-config',
1495 required: get_option('libssh'))
1498 libbzip2 = not_found
1499 if not get_option('bzip2').auto() or have_block
1500 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1501 required: get_option('bzip2'))
1502 if libbzip2.found() and not cc.links('''
1504 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1505 libbzip2 = not_found
1506 if get_option('bzip2').enabled()
1507 error('could not link libbzip2')
1509 warning('could not link libbzip2, disabling')
1514 liblzfse = not_found
1515 if not get_option('lzfse').auto() or have_block
1516 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1517 required: get_option('lzfse'))
1519 if liblzfse.found() and not cc.links('''
1521 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1522 liblzfse = not_found
1523 if get_option('lzfse').enabled()
1524 error('could not link liblzfse')
1526 warning('could not link liblzfse, disabling')
1531 if get_option('oss').allowed() and have_system
1532 if not cc.has_header('sys/soundcard.h')
1534 elif host_os == 'netbsd'
1535 oss = cc.find_library('ossaudio', required: get_option('oss'))
1537 oss = declare_dependency()
1541 if get_option('oss').enabled()
1542 error('OSS not found')
1547 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1548 if cc.has_header('dsound.h')
1549 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1552 if not dsound.found()
1553 if get_option('dsound').enabled()
1554 error('DirectSound not found')
1559 coreaudio = not_found
1560 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1561 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1562 required: get_option('coreaudio'))
1566 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1567 epoxy = dependency('epoxy', method: 'pkg-config',
1568 required: get_option('opengl'))
1569 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1571 elif get_option('opengl').enabled()
1572 error('epoxy/egl.h not found')
1576 if (have_system or have_tools) and (virgl.found() or opengl.found())
1577 gbm = dependency('gbm', method: 'pkg-config', required: false)
1579 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1582 gnutls_crypto = not_found
1583 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1584 # For general TLS support our min gnutls matches
1585 # that implied by our platform support matrix
1587 # For the crypto backends, we look for a newer
1590 # Version 3.6.8 is needed to get XTS
1591 # Version 3.6.13 is needed to get PBKDF
1592 # Version 3.6.14 is needed to get HW accelerated XTS
1594 # If newer enough gnutls isn't available, we can
1595 # still use a different crypto backend to satisfy
1596 # the platform support requirements
1597 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1598 method: 'pkg-config',
1600 if gnutls_crypto.found()
1601 gnutls = gnutls_crypto
1603 # Our min version if all we need is TLS
1604 gnutls = dependency('gnutls', version: '>=3.5.18',
1605 method: 'pkg-config',
1606 required: get_option('gnutls'))
1610 # We prefer use of gnutls for crypto, unless the options
1611 # explicitly asked for nettle or gcrypt.
1613 # If gnutls isn't available for crypto, then we'll prefer
1614 # gcrypt over nettle for performance reasons.
1620 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1621 error('Only one of gcrypt & nettle can be enabled')
1624 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1625 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1626 gnutls_crypto = not_found
1629 if not gnutls_crypto.found()
1630 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1631 gcrypt = dependency('libgcrypt', version: '>=1.8',
1632 method: 'config-tool',
1633 required: get_option('gcrypt'))
1634 # Debian has removed -lgpg-error from libgcrypt-config
1635 # as it "spreads unnecessary dependencies" which in
1636 # turn breaks static builds...
1637 if gcrypt.found() and get_option('prefer_static')
1638 gcrypt = declare_dependency(dependencies:
1640 cc.find_library('gpg-error', required: true)],
1641 version: gcrypt.version())
1644 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1645 nettle = dependency('nettle', version: '>=3.4',
1646 method: 'pkg-config',
1647 required: get_option('nettle'))
1648 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1654 capstone = not_found
1655 if not get_option('capstone').auto() or have_system or have_user
1656 capstone = dependency('capstone', version: '>=3.0.5',
1657 method: 'pkg-config',
1658 required: get_option('capstone'))
1660 # Some versions of capstone have broken pkg-config file
1661 # that reports a wrong -I path, causing the #include to
1662 # fail later. If the system has such a broken version
1664 if capstone.found() and not cc.compiles('#include <capstone.h>',
1665 dependencies: [capstone])
1666 capstone = not_found
1667 if get_option('capstone').enabled()
1668 error('capstone requested, but it does not appear to work')
1673 gmp = dependency('gmp', required: false, method: 'pkg-config')
1674 if nettle.found() and gmp.found()
1675 hogweed = dependency('hogweed', version: '>=3.4',
1676 method: 'pkg-config',
1677 required: get_option('nettle'))
1684 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1686 if get_option('gtk') \
1687 .disable_auto_if(not have_system) \
1688 .require(pixman.found(),
1689 error_message: 'cannot enable GTK if pixman is not available') \
1691 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1692 method: 'pkg-config',
1693 required: get_option('gtk'))
1695 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1696 method: 'pkg-config',
1698 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1699 version: gtk.version())
1701 if not get_option('vte').auto() or have_system
1702 vte = dependency('vte-2.91',
1703 method: 'pkg-config',
1704 required: get_option('vte'))
1706 elif have_gtk_clipboard
1707 error('GTK clipboard requested, but GTK not found')
1713 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1716 if get_option('png').allowed() and have_system
1717 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1718 method: 'pkg-config')
1723 if get_option('vnc') \
1724 .disable_auto_if(not have_system) \
1725 .require(pixman.found(),
1726 error_message: 'cannot enable VNC if pixman is not available') \
1728 vnc = declare_dependency() # dummy dependency
1729 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1730 method: 'pkg-config')
1731 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1732 required: get_option('vnc_sasl'))
1734 sasl = declare_dependency(dependencies: sasl,
1735 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1740 if not get_option('auth_pam').auto() or have_system
1741 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1742 required: get_option('auth_pam'))
1744 if pam.found() and not cc.links('''
1746 #include <security/pam_appl.h>
1748 const char *service_name = "qemu";
1749 const char *user = "frank";
1750 const struct pam_conv pam_conv = { 0 };
1751 pam_handle_t *pamh = NULL;
1752 pam_start(service_name, user, &pam_conv, &pamh);
1754 }''', dependencies: pam)
1756 if get_option('auth_pam').enabled()
1757 error('could not link libpam')
1759 warning('could not link libpam, disabling')
1764 if not get_option('snappy').auto() or have_system
1765 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1766 required: get_option('snappy'))
1768 if snappy.found() and not cc.links('''
1769 #include <snappy-c.h>
1770 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1772 if get_option('snappy').enabled()
1773 error('could not link libsnappy')
1775 warning('could not link libsnappy, disabling')
1780 if not get_option('lzo').auto() or have_system
1781 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1782 required: get_option('lzo'))
1784 if lzo.found() and not cc.links('''
1785 #include <lzo/lzo1x.h>
1786 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1788 if get_option('lzo').enabled()
1789 error('could not link liblzo2')
1791 warning('could not link liblzo2, disabling')
1796 if not get_option('numa').auto() or have_system or have_tools
1797 numa = cc.find_library('numa', has_headers: ['numa.h'],
1798 required: get_option('numa'))
1800 if numa.found() and not cc.links('''
1802 int main(void) { return numa_available(); }
1803 ''', dependencies: numa)
1805 if get_option('numa').enabled()
1806 error('could not link numa')
1808 warning('could not link numa, disabling')
1813 if not get_option('rdma').auto() or have_system
1814 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1815 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1816 required: get_option('rdma')),
1817 cc.find_library('ibverbs', required: get_option('rdma')),
1819 rdma = declare_dependency(dependencies: rdma_libs)
1820 foreach lib: rdma_libs
1828 if not get_option('smartcard').auto() or have_system
1829 cacard = dependency('libcacard', required: get_option('smartcard'),
1830 version: '>=2.5.1', method: 'pkg-config')
1833 if not get_option('u2f').auto() or have_system
1834 u2f = dependency('u2f-emu', required: get_option('u2f'),
1835 method: 'pkg-config')
1838 if not get_option('canokey').auto() or have_system
1839 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1840 method: 'pkg-config')
1842 usbredir = not_found
1843 if not get_option('usb_redir').auto() or have_system
1844 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1845 version: '>=0.6', method: 'pkg-config')
1848 if not get_option('libusb').auto() or have_system
1849 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1850 version: '>=1.0.13', method: 'pkg-config')
1854 if not get_option('libpmem').auto() or have_system
1855 libpmem = dependency('libpmem', required: get_option('libpmem'),
1856 method: 'pkg-config')
1858 libdaxctl = not_found
1859 if not get_option('libdaxctl').auto() or have_system
1860 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1861 version: '>=57', method: 'pkg-config')
1865 tasn1 = dependency('libtasn1',
1866 method: 'pkg-config')
1868 keyutils = not_found
1869 if not get_option('libkeyutils').auto() or have_block
1870 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1871 method: 'pkg-config')
1874 has_gettid = cc.has_function('gettid')
1877 selinux = dependency('libselinux',
1878 required: get_option('selinux'),
1879 method: 'pkg-config')
1884 if get_option('malloc') == 'system'
1886 get_option('malloc_trim').allowed() and \
1887 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1889 has_malloc_trim = false
1890 malloc = cc.find_library(get_option('malloc'), required: true)
1892 if not has_malloc_trim and get_option('malloc_trim').enabled()
1893 if get_option('malloc') == 'system'
1894 error('malloc_trim not available on this platform.')
1896 error('malloc_trim not available with non-libc memory allocator')
1900 gnu_source_prefix = '''
1906 # Check whether the glibc provides STATX_BASIC_STATS
1908 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1910 # Check whether statx() provides mount ID information
1912 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1914 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1915 .require(host_os == 'linux',
1916 error_message: 'vhost_user_blk_server requires linux') \
1917 .require(have_vhost_user,
1918 error_message: 'vhost_user_blk_server requires vhost-user support') \
1919 .disable_auto_if(not have_tools and not have_system) \
1922 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1923 error('Cannot enable fuse-lseek while fuse is disabled')
1926 fuse = dependency('fuse3', required: get_option('fuse'),
1927 version: '>=3.1', method: 'pkg-config')
1929 fuse_lseek = not_found
1930 if get_option('fuse_lseek').allowed()
1931 if fuse.version().version_compare('>=3.8')
1933 fuse_lseek = declare_dependency()
1934 elif get_option('fuse_lseek').enabled()
1936 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1938 error('fuse-lseek requires libfuse, which was not found')
1943 have_libvduse = (host_os == 'linux')
1944 if get_option('libvduse').enabled()
1945 if host_os != 'linux'
1946 error('libvduse requires linux')
1948 elif get_option('libvduse').disabled()
1949 have_libvduse = false
1952 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
1953 if get_option('vduse_blk_export').enabled()
1954 if host_os != 'linux'
1955 error('vduse_blk_export requires linux')
1956 elif not have_libvduse
1957 error('vduse_blk_export requires libvduse support')
1959 elif get_option('vduse_blk_export').disabled()
1960 have_vduse_blk_export = false
1964 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1965 if libbpf.found() and not cc.links('''
1966 #include <bpf/libbpf.h>
1969 bpf_object__destroy_skeleton(NULL);
1971 }''', dependencies: libbpf)
1973 if get_option('bpf').enabled()
1974 error('libbpf skeleton test failed')
1976 warning('libbpf skeleton test failed, disabling')
1982 if not get_option('af_xdp').auto() or have_system
1983 libxdp = dependency('libxdp', required: get_option('af_xdp'),
1984 version: '>=1.4.0', method: 'pkg-config')
1989 if not get_option('libdw').auto() or \
1990 (not get_option('prefer_static') and (have_system or have_user))
1991 libdw = dependency('libdw',
1992 method: 'pkg-config',
1993 required: get_option('libdw'))
2000 config_host_data = configuration_data()
2002 audio_drivers_selected = []
2004 audio_drivers_available = {
2005 'alsa': alsa.found(),
2006 'coreaudio': coreaudio.found(),
2007 'dsound': dsound.found(),
2008 'jack': jack.found(),
2010 'pa': pulse.found(),
2011 'pipewire': pipewire.found(),
2013 'sndio': sndio.found(),
2015 foreach k, v: audio_drivers_available
2016 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2019 # Default to native drivers first, OSS second, SDL third
2020 audio_drivers_priority = \
2021 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2022 (host_os == 'linux' ? [] : [ 'sdl' ])
2023 audio_drivers_default = []
2024 foreach k: audio_drivers_priority
2025 if audio_drivers_available[k]
2026 audio_drivers_default += k
2030 foreach k: get_option('audio_drv_list')
2032 audio_drivers_selected += audio_drivers_default
2033 elif not audio_drivers_available[k]
2034 error('Audio driver "@0@" not available.'.format(k))
2036 audio_drivers_selected += k
2040 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2041 '"' + '", "'.join(audio_drivers_selected) + '", ')
2043 have_host_block_device = (host_os != 'darwin' or
2044 cc.has_header('IOKit/storage/IOMedia.h'))
2046 dbus_display = get_option('dbus_display') \
2047 .require(gio.version().version_compare('>=2.64'),
2048 error_message: '-display dbus requires glib>=2.64') \
2049 .require(gdbus_codegen.found(),
2050 error_message: gdbus_codegen_error.format('-display dbus')) \
2053 have_virtfs = get_option('virtfs') \
2054 .require(host_os == 'linux' or host_os == 'darwin',
2055 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2056 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2057 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2058 .require(host_os == 'darwin' or libattr.found(),
2059 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2060 .disable_auto_if(not have_tools and not have_system) \
2063 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2064 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2065 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2066 .disable_auto_if(not have_tools) \
2067 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2070 if get_option('block_drv_ro_whitelist') == ''
2071 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2073 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2074 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2076 if get_option('block_drv_rw_whitelist') == ''
2077 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2079 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2080 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2083 foreach k : get_option('trace_backends')
2084 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2086 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2087 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2089 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2091 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2092 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2093 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2094 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2095 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2097 qemu_firmwarepath = ''
2098 foreach k : get_option('qemu_firmwarepath')
2099 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2101 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2103 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2104 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2105 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2106 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2107 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2108 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2111 config_host_data.set('CONFIG_STAMP', run_command(
2112 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2113 meson.project_version(), get_option('pkgversion'), '--',
2114 meson.current_source_dir() / 'configure',
2115 capture: true, check: true).stdout().strip())
2118 have_slirp_smbd = get_option('slirp_smbd') \
2119 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2122 smbd_path = get_option('smbd')
2124 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2126 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2129 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2131 kvm_targets_c = '""'
2132 if get_option('kvm').allowed() and host_os == 'linux'
2133 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2135 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2137 if get_option('module_upgrades') and not enable_modules
2138 error('Cannot enable module-upgrades as modules are not enabled')
2140 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2142 config_host_data.set('CONFIG_ATTR', libattr.found())
2143 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2144 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2145 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2146 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2147 config_host_data.set('CONFIG_COCOA', cocoa.found())
2148 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2149 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2150 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2151 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2152 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2153 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2154 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2155 config_host_data.set('CONFIG_LZO', lzo.found())
2156 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2157 config_host_data.set('CONFIG_BLKIO', blkio.found())
2159 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2160 blkio.version().version_compare('>=1.3.0'))
2162 config_host_data.set('CONFIG_CURL', curl.found())
2163 config_host_data.set('CONFIG_CURSES', curses.found())
2164 config_host_data.set('CONFIG_GBM', gbm.found())
2165 config_host_data.set('CONFIG_GIO', gio.found())
2166 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2167 if glusterfs.found()
2168 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2169 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2170 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2171 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2172 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2173 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2175 config_host_data.set('CONFIG_GTK', gtk.found())
2176 config_host_data.set('CONFIG_VTE', vte.found())
2177 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2178 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2179 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2180 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2181 config_host_data.set('CONFIG_EBPF', libbpf.found())
2182 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2183 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2184 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2185 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2186 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2187 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2188 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2189 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2190 config_host_data.set('CONFIG_MODULES', enable_modules)
2191 config_host_data.set('CONFIG_NUMA', numa.found())
2193 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2194 cc.has_function('numa_has_preferred_many',
2195 dependencies: numa))
2197 config_host_data.set('CONFIG_OPENGL', opengl.found())
2198 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2199 config_host_data.set('CONFIG_RBD', rbd.found())
2200 config_host_data.set('CONFIG_RDMA', rdma.found())
2201 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2202 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2203 config_host_data.set('CONFIG_SDL', sdl.found())
2204 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2205 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2207 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2209 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2210 config_host_data.set('CONFIG_SLIRP', slirp.found())
2211 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2212 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2213 if get_option('tcg').allowed()
2214 config_host_data.set('CONFIG_TCG', 1)
2215 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2217 config_host_data.set('CONFIG_TPM', have_tpm)
2218 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2219 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2220 config_host_data.set('CONFIG_VDE', vde.found())
2221 config_host_data.set('CONFIG_VHOST', have_vhost)
2222 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2223 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2224 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2225 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2226 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2227 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2228 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2229 config_host_data.set('CONFIG_VMNET', vmnet.found())
2230 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2231 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2232 config_host_data.set('CONFIG_PNG', png.found())
2233 config_host_data.set('CONFIG_VNC', vnc.found())
2234 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2235 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2237 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2238 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2239 prefix: '#include <virglrenderer.h>',
2240 dependencies: virgl))
2242 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2243 config_host_data.set('CONFIG_VTE', vte.found())
2244 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2245 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2246 config_host_data.set('CONFIG_GETTID', has_gettid)
2247 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2248 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2249 config_host_data.set('CONFIG_TASN1', tasn1.found())
2250 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2251 config_host_data.set('CONFIG_NETTLE', nettle.found())
2252 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2253 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2254 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2255 config_host_data.set('CONFIG_STATX', has_statx)
2256 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2257 config_host_data.set('CONFIG_ZSTD', zstd.found())
2258 config_host_data.set('CONFIG_FUSE', fuse.found())
2259 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2260 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2261 if spice_protocol.found()
2262 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2263 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2264 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2266 config_host_data.set('CONFIG_SPICE', spice.found())
2267 config_host_data.set('CONFIG_X11', x11.found())
2268 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2269 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2270 config_host_data.set('CONFIG_SELINUX', selinux.found())
2271 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2272 config_host_data.set('CONFIG_LIBDW', libdw.found())
2274 # protect from xen.version() having less than three components
2275 xen_version = xen.version().split('.') + ['0', '0']
2276 xen_ctrl_version = xen_version[0] + \
2277 ('0' + xen_version[1]).substring(-2) + \
2278 ('0' + xen_version[2]).substring(-2)
2279 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2281 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2282 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2283 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2284 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2286 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2287 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2289 have_coroutine_pool = get_option('coroutine_pool')
2290 if get_option('debug_stack_usage') and have_coroutine_pool
2291 message('Disabling coroutine pool to measure stack usage')
2292 have_coroutine_pool = false
2294 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2295 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2296 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2297 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2298 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2299 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2300 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2301 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2304 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2305 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2306 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2307 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2308 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2309 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2310 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2311 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2312 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2313 if host_os == 'windows'
2314 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2318 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2319 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2320 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2321 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2322 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2323 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2324 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2325 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2326 # Note that we need to specify prefix: here to avoid incorrectly
2327 # thinking that Windows has posix_memalign()
2328 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2329 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2330 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2331 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2332 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2333 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2334 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2335 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2336 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2337 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2338 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2339 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2340 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2341 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2342 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2343 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2344 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2345 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2347 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2348 cc.has_function('rbd_namespace_exists',
2350 prefix: '#include <rbd/librbd.h>'))
2353 config_host_data.set('HAVE_IBV_ADVISE_MR',
2354 cc.has_function('ibv_advise_mr',
2356 prefix: '#include <infiniband/verbs.h>'))
2359 have_asan_fiber = false
2360 if get_option('sanitizers') and \
2361 not cc.has_function('__sanitizer_start_switch_fiber',
2362 args: '-fsanitize=address',
2363 prefix: '#include <sanitizer/asan_interface.h>')
2364 warning('Missing ASAN due to missing fiber annotation interface')
2365 warning('Without code annotation, the report may be inferior.')
2367 have_asan_fiber = true
2369 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2372 config_host_data.set('CONFIG_BLKZONED',
2373 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2374 config_host_data.set('CONFIG_EPOLL_CREATE1',
2375 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2376 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2377 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2378 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2379 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2380 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2381 config_host_data.set('CONFIG_FIEMAP',
2382 cc.has_header('linux/fiemap.h') and
2383 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2384 config_host_data.set('CONFIG_GETRANDOM',
2385 cc.has_function('getrandom') and
2386 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2387 config_host_data.set('CONFIG_INOTIFY',
2388 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2389 config_host_data.set('CONFIG_INOTIFY1',
2390 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2391 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2392 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2393 config_host_data.set('CONFIG_RTNETLINK',
2394 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2395 config_host_data.set('CONFIG_SYSMACROS',
2396 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2397 config_host_data.set('HAVE_OPTRESET',
2398 cc.has_header_symbol('getopt.h', 'optreset'))
2399 config_host_data.set('HAVE_IPPROTO_MPTCP',
2400 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2403 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2404 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2405 prefix: '#include <signal.h>'))
2406 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2407 cc.has_member('struct stat', 'st_atim',
2408 prefix: '#include <sys/stat.h>'))
2409 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2410 cc.has_member('struct blk_zone', 'capacity',
2411 prefix: '#include <linux/blkzoned.h>'))
2414 config_host_data.set('CONFIG_IOVEC',
2415 cc.has_type('struct iovec',
2416 prefix: '#include <sys/uio.h>'))
2417 config_host_data.set('HAVE_UTMPX',
2418 cc.has_type('struct utmpx',
2419 prefix: '#include <utmpx.h>'))
2421 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2422 #include <sys/eventfd.h>
2423 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2424 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2427 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2428 return fdatasync(0);
2430 #error Not supported
2434 has_madvise = cc.links(gnu_source_prefix + '''
2435 #include <sys/types.h>
2436 #include <sys/mman.h>
2438 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2439 missing_madvise_proto = false
2441 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2442 # but forget to prototype it. In this case, has_madvise will be true (the
2443 # test program links despite a compile warning). To detect the
2444 # missing-prototype case, we try again with a definitely-bogus prototype.
2445 # This will only compile if the system headers don't provide the prototype;
2446 # otherwise the conflicting prototypes will cause a compiler error.
2447 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2448 #include <sys/types.h>
2449 #include <sys/mman.h>
2451 extern int madvise(int);
2452 int main(void) { return madvise(0); }''')
2454 config_host_data.set('CONFIG_MADVISE', has_madvise)
2455 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2457 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2458 #include <sys/mman.h>
2459 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2460 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2462 #if !defined(AT_EMPTY_PATH)
2463 # error missing definition
2465 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2467 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2468 #include <sys/mman.h>
2470 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2472 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2473 #include <pthread.h>
2475 static void *f(void *p) { return NULL; }
2479 pthread_create(&thread, 0, f, 0);
2480 pthread_setname_np(thread, "QEMU");
2482 }''', dependencies: threads))
2483 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2484 #include <pthread.h>
2486 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2490 pthread_create(&thread, 0, f, 0);
2492 }''', dependencies: threads))
2493 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2494 #include <pthread.h>
2495 #include <pthread_np.h>
2497 static void *f(void *p) { return NULL; }
2501 pthread_create(&thread, 0, f, 0);
2502 pthread_set_name_np(thread, "QEMU");
2504 }''', dependencies: threads))
2505 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2506 #include <pthread.h>
2511 pthread_condattr_t attr
2512 pthread_condattr_init(&attr);
2513 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2515 }''', dependencies: threads))
2516 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2517 #include <pthread.h>
2519 static void *f(void *p) { return NULL; }
2522 int setsize = CPU_ALLOC_SIZE(64);
2525 pthread_create(&thread, 0, f, 0);
2526 cpuset = CPU_ALLOC(64);
2527 CPU_ZERO_S(setsize, cpuset);
2528 pthread_setaffinity_np(thread, setsize, cpuset);
2529 pthread_getaffinity_np(thread, setsize, cpuset);
2532 }''', dependencies: threads))
2533 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2534 #include <sys/signalfd.h>
2536 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2537 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2545 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2546 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2550 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2551 #include <sys/mman.h>
2553 return mlockall(MCL_FUTURE);
2557 if get_option('l2tpv3').allowed() and have_system
2558 have_l2tpv3 = cc.has_type('struct mmsghdr',
2559 prefix: gnu_source_prefix + '''
2560 #include <sys/socket.h>
2561 #include <linux/ip.h>''')
2563 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2566 if get_option('netmap').allowed() and have_system
2567 have_netmap = cc.compiles('''
2568 #include <inttypes.h>
2570 #include <net/netmap.h>
2571 #include <net/netmap_user.h>
2572 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2575 int main(void) { return 0; }''')
2576 if not have_netmap and get_option('netmap').enabled()
2577 error('Netmap headers not available')
2580 config_host_data.set('CONFIG_NETMAP', have_netmap)
2582 # Work around a system header bug with some kernel/XFS header
2583 # versions where they both try to define 'struct fsxattr':
2584 # xfs headers will not try to redefine structs from linux headers
2585 # if this macro is set.
2586 config_host_data.set('HAVE_FSXATTR', cc.links('''
2587 #include <linux/fs.h>
2593 # Some versions of Mac OS X incorrectly define SIZE_MAX
2594 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2598 return printf("%zu", SIZE_MAX);
2599 }''', args: ['-Werror']))
2601 # See if 64-bit atomic operations are supported.
2602 # Note that without __atomic builtins, we can only
2603 # assume atomic loads/stores max at pointer size.
2604 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2608 uint64_t x = 0, y = 0;
2609 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2610 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2611 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2612 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2613 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2617 has_int128_type = cc.compiles('''
2620 int main(void) { b = a; }''')
2621 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2623 has_int128 = has_int128_type and cc.links('''
2632 config_host_data.set('CONFIG_INT128', has_int128)
2635 # "do we have 128-bit atomics which are handled inline and specifically not
2636 # via libatomic". The reason we can't use libatomic is documented in the
2637 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2638 # We only care about these operations on 16-byte aligned pointers, so
2639 # force 16-byte alignment of the pointer, which may be greater than
2640 # __alignof(unsigned __int128) for the host.
2641 atomic_test_128 = '''
2642 int main(int ac, char **av) {
2643 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2644 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2645 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2646 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2649 has_atomic128 = cc.links(atomic_test_128)
2651 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2653 if not has_atomic128
2654 # Even with __builtin_assume_aligned, the above test may have failed
2655 # without optimization enabled. Try again with optimizations locally
2656 # enabled for the function. See
2657 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2658 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2659 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2661 if not has_atomic128_opt
2662 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2665 __uint128_t x = 0, y = 0;
2666 __sync_val_compare_and_swap_16(&x, y, x);
2674 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2675 #include <sys/auxv.h>
2677 return getauxval(AT_HWCAP) == 0;
2680 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2681 #include <linux/usbdevice_fs.h>
2683 #ifndef USBDEVFS_GET_CAPABILITIES
2684 #error "USBDEVFS_GET_CAPABILITIES undefined"
2687 #ifndef USBDEVFS_DISCONNECT_CLAIM
2688 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2691 int main(void) { return 0; }'''))
2693 have_keyring = get_option('keyring') \
2694 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2695 .require(cc.compiles('''
2697 #include <asm/unistd.h>
2698 #include <linux/keyctl.h>
2699 #include <sys/syscall.h>
2702 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2703 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2704 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2706 have_cpuid_h = cc.links('''
2709 unsigned a, b, c, d;
2710 unsigned max = __get_cpuid_max(0, 0);
2713 __cpuid(1, a, b, c, d);
2717 __cpuid_count(7, 0, a, b, c, d);
2722 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2724 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2725 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2726 .require(cc.links('''
2728 #include <immintrin.h>
2729 static int __attribute__((target("avx2"))) bar(void *a) {
2730 __m256i x = *(__m256i *)a;
2731 return _mm256_testz_si256(x, x);
2733 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2734 '''), error_message: 'AVX2 not available').allowed())
2736 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2737 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2738 .require(cc.links('''
2740 #include <immintrin.h>
2741 static int __attribute__((target("avx512f"))) bar(void *a) {
2742 __m512i x = *(__m512i *)a;
2743 return _mm512_test_epi64_mask(x, x);
2745 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2746 '''), error_message: 'AVX512F not available').allowed())
2748 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2749 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2750 .require(cc.links('''
2752 #include <immintrin.h>
2753 static int __attribute__((target("avx512bw"))) bar(void *a) {
2755 __m512i res= _mm512_abs_epi8(*x);
2758 int main(int argc, char *argv[]) { return bar(argv[0]); }
2759 '''), error_message: 'AVX512BW not available').allowed())
2761 # For both AArch64 and AArch32, detect if builtins are available.
2762 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2763 #include <arm_neon.h>
2764 #ifndef __ARM_FEATURE_AES
2765 __attribute__((target("+crypto")))
2767 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2770 have_pvrdma = get_option('pvrdma') \
2771 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2772 .require(cc.compiles(gnu_source_prefix + '''
2773 #include <sys/mman.h>
2778 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2781 }'''), error_message: 'PVRDMA requires mremap').allowed()
2784 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2785 #include <infiniband/verbs.h>
2789 struct ibv_pd *pd = NULL;
2795 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2801 if get_option('membarrier').disabled()
2802 have_membarrier = false
2803 elif host_os == 'windows'
2804 have_membarrier = true
2805 elif host_os == 'linux'
2806 have_membarrier = cc.compiles('''
2807 #include <linux/membarrier.h>
2808 #include <sys/syscall.h>
2812 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2813 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2817 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2818 .require(have_membarrier, error_message: 'membarrier system call not available') \
2821 have_afalg = get_option('crypto_afalg') \
2822 .require(cc.compiles(gnu_source_prefix + '''
2824 #include <sys/types.h>
2825 #include <sys/socket.h>
2826 #include <linux/if_alg.h>
2829 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2832 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2833 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2835 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2836 'linux/vm_sockets.h', 'AF_VSOCK',
2837 prefix: '#include <sys/socket.h>',
2841 have_vss_sdk = false # old xp/2003 SDK
2842 if host_os == 'windows' and 'cpp' in all_languages
2843 have_vss = cxx.compiles('''
2844 #define __MIDL_user_allocate_free_DEFINED__
2846 int main(void) { return VSS_CTX_BACKUP; }''')
2847 have_vss_sdk = cxx.has_header('vscoordint.h')
2849 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2851 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2852 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2853 if host_os == 'windows'
2854 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2860 }''', name: '_lock_file and _unlock_file'))
2863 if host_os == 'windows'
2864 mingw_has_setjmp_longjmp = cc.links('''
2868 * These functions are not available in setjmp header, but may be
2869 * available at link time, from libmingwex.a.
2871 extern int __mingw_setjmp(jmp_buf);
2872 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2874 __mingw_setjmp(env);
2875 __mingw_longjmp(env, 0);
2877 ''', name: 'mingw setjmp and longjmp')
2879 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2880 error('mingw must provide setjmp/longjmp for windows-arm64')
2884 ########################
2885 # Target configuration #
2886 ########################
2888 minikconf = find_program('scripts/minikconf.py')
2890 config_all_accel = {}
2891 config_all_devices = {}
2892 config_devices_mak_list = []
2893 config_devices_h = {}
2894 config_target_h = {}
2895 config_target_mak = {}
2898 'alpha' : ['CONFIG_ALPHA_DIS'],
2899 'avr' : ['CONFIG_AVR_DIS'],
2900 'cris' : ['CONFIG_CRIS_DIS'],
2901 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2902 'hppa' : ['CONFIG_HPPA_DIS'],
2903 'i386' : ['CONFIG_I386_DIS'],
2904 'x86_64' : ['CONFIG_I386_DIS'],
2905 'm68k' : ['CONFIG_M68K_DIS'],
2906 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2907 'mips' : ['CONFIG_MIPS_DIS'],
2908 'nios2' : ['CONFIG_NIOS2_DIS'],
2909 'or1k' : ['CONFIG_OPENRISC_DIS'],
2910 'ppc' : ['CONFIG_PPC_DIS'],
2911 'riscv' : ['CONFIG_RISCV_DIS'],
2912 'rx' : ['CONFIG_RX_DIS'],
2913 's390' : ['CONFIG_S390_DIS'],
2914 'sh4' : ['CONFIG_SH4_DIS'],
2915 'sparc' : ['CONFIG_SPARC_DIS'],
2916 'xtensa' : ['CONFIG_XTENSA_DIS'],
2917 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2920 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2922 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2923 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2924 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2925 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2926 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2927 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2928 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2929 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2930 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2931 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2932 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2933 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2934 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2935 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2936 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2937 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2939 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2941 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2942 actual_target_dirs = []
2944 foreach target : target_dirs
2945 config_target = { 'TARGET_NAME': target.split('-')[0] }
2946 if target.endswith('linux-user')
2947 if host_os != 'linux'
2951 error('Target @0@ is only available on a Linux host'.format(target))
2953 config_target += { 'CONFIG_LINUX_USER': 'y' }
2954 elif target.endswith('bsd-user')
2955 if host_os not in bsd_oses
2959 error('Target @0@ is only available on a BSD host'.format(target))
2961 config_target += { 'CONFIG_BSD_USER': 'y' }
2962 elif target.endswith('softmmu')
2963 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2964 config_target += { 'CONFIG_SOFTMMU': 'y' }
2966 if target.endswith('-user')
2968 'CONFIG_USER_ONLY': 'y',
2969 'CONFIG_QEMU_INTERP_PREFIX':
2970 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2975 foreach sym: accelerators
2976 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2977 config_target += { sym: 'y' }
2978 config_all_accel += { sym: 'y' }
2979 if target in modular_tcg
2980 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2982 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2984 accel_kconfig += [ sym + '=y' ]
2987 if accel_kconfig.length() == 0
2991 error('No accelerator available for target @0@'.format(target))
2994 actual_target_dirs += target
2995 config_target += keyval.load('configs/targets' / target + '.mak')
2996 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2998 if 'TARGET_NEED_FDT' in config_target
2999 fdt_required += target
3003 if 'TARGET_BASE_ARCH' not in config_target
3004 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3006 if 'TARGET_ABI_DIR' not in config_target
3007 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3009 if 'TARGET_BIG_ENDIAN' not in config_target
3010 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3013 foreach k, v: disassemblers
3014 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3016 config_target += { sym: 'y' }
3021 config_target_data = configuration_data()
3022 foreach k, v: config_target
3023 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3025 elif ignored.contains(k)
3027 elif k == 'TARGET_BASE_ARCH'
3028 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3029 # not used to select files from sourcesets.
3030 config_target_data.set('TARGET_' + v.to_upper(), 1)
3031 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3032 config_target_data.set_quoted(k, v)
3034 config_target_data.set(k, 1)
3036 config_target_data.set(k, 0)
3038 config_target_data.set(k, v)
3041 config_target_data.set('QEMU_ARCH',
3042 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3043 config_target_h += {target: configure_file(output: target + '-config-target.h',
3044 configuration: config_target_data)}
3046 if target.endswith('-softmmu')
3047 config_input = meson.get_external_property(target, 'default')
3048 config_devices_mak = target + '-config-devices.mak'
3049 config_devices_mak = configure_file(
3050 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3051 output: config_devices_mak,
3052 depfile: config_devices_mak + '.d',
3054 command: [minikconf,
3055 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3056 config_devices_mak, '@DEPFILE@', '@INPUT@',
3057 host_kconfig, accel_kconfig,
3058 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3060 config_devices_data = configuration_data()
3061 config_devices = keyval.load(config_devices_mak)
3062 foreach k, v: config_devices
3063 config_devices_data.set(k, 1)
3065 config_devices_mak_list += config_devices_mak
3066 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3067 configuration: config_devices_data)}
3068 config_target += config_devices
3069 config_all_devices += config_devices
3071 config_target_mak += {target: config_target}
3073 target_dirs = actual_target_dirs
3075 target_configs_h = []
3076 foreach target: target_dirs
3077 target_configs_h += config_target_h[target]
3078 target_configs_h += config_devices_h.get(target, [])
3080 genh += custom_target('config-poison.h',
3081 input: [target_configs_h],
3082 output: 'config-poison.h',
3084 command: [find_program('scripts/make-config-poison.sh'),
3091 libvfio_user_dep = not_found
3092 if have_system and vfio_user_server_allowed
3093 libvfio_user_proj = subproject('libvfio-user', required: true)
3094 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3098 fdt_opt = get_option('fdt')
3099 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3100 if fdt_opt == 'disabled'
3101 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3104 if fdt_opt in ['enabled', 'auto', 'system']
3105 if get_option('wrap_mode') == 'nodownload'
3108 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3109 if fdt.found() and cc.links('''
3111 #include <libfdt_env.h>
3112 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3115 elif fdt_opt == 'system'
3116 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3118 fdt_opt = 'internal'
3123 assert(fdt_opt == 'internal')
3124 libfdt_proj = subproject('dtc', required: true,
3125 default_options: ['tools=false', 'yaml=disabled',
3126 'python=disabled', 'default_library=static'])
3127 fdt = libfdt_proj.get_variable('libfdt_dep')
3130 fdt_opt = 'disabled'
3133 config_host_data.set('CONFIG_FDT', fdt.found())
3135 vhost_user = not_found
3136 if host_os == 'linux' and have_vhost_user
3137 libvhost_user = subproject('libvhost-user')
3138 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3141 libvduse = not_found
3143 libvduse_proj = subproject('libvduse')
3144 libvduse = libvduse_proj.get_variable('libvduse_dep')
3147 #####################
3148 # Generated sources #
3149 #####################
3151 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3153 hxtool = find_program('scripts/hxtool')
3154 shaderinclude = find_program('scripts/shaderinclude.py')
3155 qapi_gen = find_program('scripts/qapi-gen.py')
3156 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3157 meson.current_source_dir() / 'scripts/qapi/commands.py',
3158 meson.current_source_dir() / 'scripts/qapi/common.py',
3159 meson.current_source_dir() / 'scripts/qapi/error.py',
3160 meson.current_source_dir() / 'scripts/qapi/events.py',
3161 meson.current_source_dir() / 'scripts/qapi/expr.py',
3162 meson.current_source_dir() / 'scripts/qapi/gen.py',
3163 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3164 meson.current_source_dir() / 'scripts/qapi/main.py',
3165 meson.current_source_dir() / 'scripts/qapi/parser.py',
3166 meson.current_source_dir() / 'scripts/qapi/schema.py',
3167 meson.current_source_dir() / 'scripts/qapi/source.py',
3168 meson.current_source_dir() / 'scripts/qapi/types.py',
3169 meson.current_source_dir() / 'scripts/qapi/visit.py',
3170 meson.current_source_dir() / 'scripts/qapi-gen.py'
3174 python, files('scripts/tracetool.py'),
3175 '--backend=' + ','.join(get_option('trace_backends'))
3177 tracetool_depends = files(
3178 'scripts/tracetool/backend/log.py',
3179 'scripts/tracetool/backend/__init__.py',
3180 'scripts/tracetool/backend/dtrace.py',
3181 'scripts/tracetool/backend/ftrace.py',
3182 'scripts/tracetool/backend/simple.py',
3183 'scripts/tracetool/backend/syslog.py',
3184 'scripts/tracetool/backend/ust.py',
3185 'scripts/tracetool/format/ust_events_c.py',
3186 'scripts/tracetool/format/ust_events_h.py',
3187 'scripts/tracetool/format/__init__.py',
3188 'scripts/tracetool/format/d.py',
3189 'scripts/tracetool/format/simpletrace_stap.py',
3190 'scripts/tracetool/format/c.py',
3191 'scripts/tracetool/format/h.py',
3192 'scripts/tracetool/format/log_stap.py',
3193 'scripts/tracetool/format/stap.py',
3194 'scripts/tracetool/__init__.py',
3195 'scripts/tracetool/vcpu.py'
3198 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3199 meson.current_source_dir(),
3200 get_option('pkgversion'), meson.project_version()]
3201 qemu_version = custom_target('qemu-version.h',
3202 output: 'qemu-version.h',
3203 command: qemu_version_cmd,
3205 build_by_default: true,
3206 build_always_stale: true)
3207 genh += qemu_version
3211 ['qemu-options.hx', 'qemu-options.def'],
3212 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3216 ['hmp-commands.hx', 'hmp-commands.h'],
3217 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3220 foreach d : hx_headers
3221 hxdep += custom_target(d[1],
3225 command: [hxtool, '-h', '@INPUT0@'])
3233 # TODO: add each directory to the subdirs from its own meson.build, once
3235 trace_events_subdirs = [
3244 trace_events_subdirs += [ 'linux-user' ]
3247 trace_events_subdirs += [ 'bsd-user' ]
3250 trace_events_subdirs += [
3259 trace_events_subdirs += [
3273 'hw/block/dataplane',
3324 if have_system or have_user
3325 trace_events_subdirs += [
3348 authz_ss = ss.source_set()
3349 blockdev_ss = ss.source_set()
3350 block_ss = ss.source_set()
3351 chardev_ss = ss.source_set()
3352 common_ss = ss.source_set()
3353 crypto_ss = ss.source_set()
3354 hwcore_ss = ss.source_set()
3355 io_ss = ss.source_set()
3356 qmp_ss = ss.source_set()
3357 qom_ss = ss.source_set()
3358 system_ss = ss.source_set()
3359 specific_fuzz_ss = ss.source_set()
3360 specific_ss = ss.source_set()
3361 stub_ss = ss.source_set()
3362 trace_ss = ss.source_set()
3363 user_ss = ss.source_set()
3364 util_ss = ss.source_set()
3367 qtest_module_ss = ss.source_set()
3368 tcg_module_ss = ss.source_set()
3374 target_system_arch = {}
3375 target_user_arch = {}
3377 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3378 # that is filled in by qapi/.
3392 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3393 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3396 qom_ss = qom_ss.apply({})
3397 libqom = static_library('qom', qom_ss.sources() + genh,
3398 dependencies: [qom_ss.dependencies()],
3400 build_by_default: false)
3401 qom = declare_dependency(link_whole: libqom)
3403 event_loop_base = files('event-loop-base.c')
3404 event_loop_base = static_library('event-loop-base',
3405 sources: event_loop_base + genh,
3407 build_by_default: false)
3408 event_loop_base = declare_dependency(link_whole: event_loop_base,
3409 dependencies: [qom])
3411 stub_ss = stub_ss.apply({})
3413 util_ss.add_all(trace_ss)
3414 util_ss = util_ss.apply({})
3415 libqemuutil = static_library('qemuutil',
3416 build_by_default: false,
3417 sources: util_ss.sources() + stub_ss.sources() + genh,
3418 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3419 qemuutil = declare_dependency(link_with: libqemuutil,
3420 sources: genh + version_res,
3421 dependencies: [event_loop_base])
3423 if have_system or have_user
3424 decodetree = generator(find_program('scripts/decodetree.py'),
3425 output: 'decode-@BASENAME@.c.inc',
3426 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3427 subdir('libdecnumber')
3444 if config_host_data.get('CONFIG_REPLICATION')
3445 block_ss.add(files('replication.c'))
3452 blockdev_ss.add(files(
3459 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3460 # os-win32.c does not
3461 if host_os == 'windows'
3462 system_ss.add(files('os-win32.c'))
3464 blockdev_ss.add(files('os-posix.c'))
3468 common_ss.add(files('cpu-common.c'))
3469 specific_ss.add(files('cpu-target.c'))
3473 # Work around a gcc bug/misfeature wherein constant propagation looks
3475 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3476 # to guess that a const variable is always zero. Without lto, this is
3477 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3478 # without lto, not even the alias is required -- we simply use different
3479 # declarations in different compilation units.
3480 pagevary = files('page-vary-common.c')
3481 if get_option('b_lto')
3482 pagevary_flags = ['-fno-lto']
3483 if get_option('cfi')
3484 pagevary_flags += '-fno-sanitize=cfi-icall'
3486 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3487 c_args: pagevary_flags)
3488 pagevary = declare_dependency(link_with: pagevary)
3490 common_ss.add(pagevary)
3491 specific_ss.add(files('page-vary-target.c'))
3499 subdir('semihosting')
3507 common_user_inc = []
3509 subdir('common-user')
3511 subdir('linux-user')
3513 # needed for fuzzing binaries
3514 subdir('tests/qtest/libqos')
3515 subdir('tests/qtest/fuzz')
3518 tcg_real_module_ss = ss.source_set()
3519 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3520 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3521 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3522 'tcg': tcg_real_module_ss }}
3524 ##############################################
3525 # Internal static_libraries and dependencies #
3526 ##############################################
3528 modinfo_collect = find_program('scripts/modinfo-collect.py')
3529 modinfo_generate = find_program('scripts/modinfo-generate.py')
3534 foreach d, list : modules
3535 if not (d == 'block' ? have_block : have_system)
3539 foreach m, module_ss : list
3541 module_ss = module_ss.apply(config_all_devices, strict: false)
3542 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3543 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3549 if module_ss.sources() != []
3550 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3551 # input. Sources can be used multiple times but objects are
3552 # unique when it comes to lookup in compile_commands.json.
3553 # Depnds on a mesion version with
3554 # https://github.com/mesonbuild/meson/pull/8900
3555 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3556 output: d + '-' + m + '.modinfo',
3557 input: module_ss.sources() + genh,
3559 command: [modinfo_collect, module_ss.sources()])
3563 block_ss.add_all(module_ss)
3565 system_ss.add_all(module_ss)
3571 foreach d, list : target_modules
3572 foreach m, module_ss : list
3574 foreach target : target_dirs
3575 if target.endswith('-softmmu')
3576 config_target = config_target_mak[target]
3577 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3578 c_args = ['-DNEED_CPU_H',
3579 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3580 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3581 target_module_ss = module_ss.apply(config_target, strict: false)
3582 if target_module_ss.sources() != []
3583 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3584 sl = static_library(module_name,
3585 [genh, target_module_ss.sources()],
3586 dependencies: [modulecommon, target_module_ss.dependencies()],
3587 include_directories: target_inc,
3591 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3592 modinfo_files += custom_target(module_name + '.modinfo',
3593 output: module_name + '.modinfo',
3594 input: target_module_ss.sources() + genh,
3596 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3601 specific_ss.add_all(module_ss)
3607 foreach target : target_dirs
3608 if target.endswith('-softmmu')
3609 config_target = config_target_mak[target]
3610 config_devices_mak = target + '-config-devices.mak'
3611 modinfo_src = custom_target('modinfo-' + target + '.c',
3612 output: 'modinfo-' + target + '.c',
3613 input: modinfo_files,
3614 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3617 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3618 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3620 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3621 hw_arch[arch].add(modinfo_dep)
3626 nm = find_program('nm')
3627 undefsym = find_program('scripts/undefsym.py')
3628 block_syms = custom_target('block.syms', output: 'block.syms',
3629 input: [libqemuutil, block_mods],
3631 command: [undefsym, nm, '@INPUT@'])
3632 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3633 input: [libqemuutil, system_mods],
3635 command: [undefsym, nm, '@INPUT@'])
3637 authz_ss = authz_ss.apply({})
3638 libauthz = static_library('authz', authz_ss.sources() + genh,
3639 dependencies: [authz_ss.dependencies()],
3641 build_by_default: false)
3643 authz = declare_dependency(link_whole: libauthz,
3646 crypto_ss = crypto_ss.apply({})
3647 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3648 dependencies: [crypto_ss.dependencies()],
3650 build_by_default: false)
3652 crypto = declare_dependency(link_whole: libcrypto,
3653 dependencies: [authz, qom])
3655 io_ss = io_ss.apply({})
3656 libio = static_library('io', io_ss.sources() + genh,
3657 dependencies: [io_ss.dependencies()],
3658 link_with: libqemuutil,
3660 build_by_default: false)
3662 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3664 libmigration = static_library('migration', sources: migration_files + genh,
3666 build_by_default: false)
3667 migration = declare_dependency(link_with: libmigration,
3668 dependencies: [zlib, qom, io])
3669 system_ss.add(migration)
3671 block_ss = block_ss.apply({})
3672 libblock = static_library('block', block_ss.sources() + genh,
3673 dependencies: block_ss.dependencies(),
3674 link_depends: block_syms,
3676 build_by_default: false)
3678 block = declare_dependency(link_whole: [libblock],
3679 link_args: '@block.syms',
3680 dependencies: [crypto, io])
3682 blockdev_ss = blockdev_ss.apply({})
3683 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3684 dependencies: blockdev_ss.dependencies(),
3686 build_by_default: false)
3688 blockdev = declare_dependency(link_whole: [libblockdev],
3689 dependencies: [block, event_loop_base])
3691 qmp_ss = qmp_ss.apply({})
3692 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3693 dependencies: qmp_ss.dependencies(),
3695 build_by_default: false)
3697 qmp = declare_dependency(link_whole: [libqmp])
3699 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3701 dependencies: chardev_ss.dependencies(),
3702 build_by_default: false)
3704 chardev = declare_dependency(link_whole: libchardev)
3706 hwcore_ss = hwcore_ss.apply({})
3707 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3709 build_by_default: false)
3710 hwcore = declare_dependency(link_whole: libhwcore)
3711 common_ss.add(hwcore)
3717 emulator_modules = []
3718 foreach m : block_mods + system_mods
3719 emulator_modules += shared_module(m.name(),
3720 build_by_default: true,
3724 install_dir: qemu_moddir)
3726 if emulator_modules.length() > 0
3727 alias_target('modules', emulator_modules)
3730 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3731 common_ss.add(qom, qemuutil)
3733 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3734 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3736 # Note that this library is never used directly (only through extract_objects)
3737 # and is not built by default; therefore, source files not used by the build
3738 # configuration will be in build.ninja, but are never built by default.
3739 common_all = static_library('common',
3740 build_by_default: false,
3741 sources: common_ss.all_sources() + genh,
3742 include_directories: common_user_inc,
3743 implicit_include_directories: false,
3744 dependencies: common_ss.all_dependencies(),
3747 feature_to_c = find_program('scripts/feature_to_c.py')
3749 if host_os == 'darwin'
3750 entitlement = find_program('scripts/entitlement.sh')
3754 foreach target : target_dirs
3755 config_target = config_target_mak[target]
3756 target_name = config_target['TARGET_NAME']
3757 target_base_arch = config_target['TARGET_BASE_ARCH']
3758 arch_srcs = [config_target_h[target]]
3760 c_args = ['-DNEED_CPU_H',
3761 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3762 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3763 link_args = emulator_link_args
3765 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3766 if host_os == 'linux'
3767 target_inc += include_directories('linux-headers', is_system: true)
3769 if target.endswith('-softmmu')
3770 target_type='system'
3771 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3772 arch_srcs += t.sources()
3773 arch_deps += t.dependencies()
3775 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3776 if hw_arch.has_key(hw_dir)
3777 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3778 arch_srcs += hw.sources()
3779 arch_deps += hw.dependencies()
3782 arch_srcs += config_devices_h[target]
3783 link_args += ['@block.syms', '@qemu.syms']
3785 abi = config_target['TARGET_ABI_DIR']
3787 target_inc += common_user_inc
3788 if target_base_arch in target_user_arch
3789 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3790 arch_srcs += t.sources()
3791 arch_deps += t.dependencies()
3793 if 'CONFIG_LINUX_USER' in config_target
3794 base_dir = 'linux-user'
3796 if 'CONFIG_BSD_USER' in config_target
3797 base_dir = 'bsd-user'
3798 target_inc += include_directories('bsd-user/' / host_os)
3799 target_inc += include_directories('bsd-user/host/' / host_arch)
3800 dir = base_dir / abi
3801 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3803 target_inc += include_directories(
3807 if 'CONFIG_LINUX_USER' in config_target
3808 dir = base_dir / abi
3809 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3810 if config_target.has_key('TARGET_SYSTBL_ABI')
3812 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3813 extra_args : config_target['TARGET_SYSTBL_ABI'])
3818 if 'TARGET_XML_FILES' in config_target
3819 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3820 output: target + '-gdbstub-xml.c',
3821 input: files(config_target['TARGET_XML_FILES'].split()),
3822 command: [feature_to_c, '@INPUT@'],
3824 arch_srcs += gdbstub_xml
3827 t = target_arch[target_base_arch].apply(config_target, strict: false)
3828 arch_srcs += t.sources()
3829 arch_deps += t.dependencies()
3831 target_common = common_ss.apply(config_target, strict: false)
3832 objects = common_all.extract_objects(target_common.sources())
3833 deps = target_common.dependencies()
3835 target_specific = specific_ss.apply(config_target, strict: false)
3836 arch_srcs += target_specific.sources()
3837 arch_deps += target_specific.dependencies()
3839 lib = static_library('qemu-' + target,
3840 sources: arch_srcs + genh,
3841 dependencies: arch_deps,
3843 include_directories: target_inc,
3845 build_by_default: false,
3848 if target.endswith('-softmmu')
3850 'name': 'qemu-system-' + target_name,
3851 'win_subsystem': 'console',
3852 'sources': files('system/main.c'),
3855 if host_os == 'windows' and (sdl.found() or gtk.found())
3857 'name': 'qemu-system-' + target_name + 'w',
3858 'win_subsystem': 'windows',
3859 'sources': files('system/main.c'),
3863 if get_option('fuzzing')
3864 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3866 'name': 'qemu-fuzz-' + target_name,
3867 'win_subsystem': 'console',
3868 'sources': specific_fuzz.sources(),
3869 'dependencies': specific_fuzz.dependencies(),
3874 'name': 'qemu-' + target_name,
3875 'win_subsystem': 'console',
3881 exe_name = exe['name']
3882 if host_os == 'darwin'
3883 exe_name += '-unsigned'
3886 emulator = executable(exe_name, exe['sources'],
3889 dependencies: arch_deps + deps + exe['dependencies'],
3890 objects: lib.extract_all_objects(recursive: true),
3891 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3892 link_args: link_args,
3893 win_subsystem: exe['win_subsystem'])
3895 if host_os == 'darwin'
3896 icon = 'pc-bios/qemu.rsrc'
3897 build_input = [emulator, files(icon)]
3899 get_option('bindir') / exe_name,
3900 meson.current_source_dir() / icon
3902 if 'CONFIG_HVF' in config_target
3903 entitlements = 'accel/hvf/entitlements.plist'
3904 build_input += files(entitlements)
3905 install_input += meson.current_source_dir() / entitlements
3908 emulators += {exe['name'] : custom_target(exe['name'],
3910 output: exe['name'],
3911 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3914 meson.add_install_script(entitlement, '--install',
3915 get_option('bindir') / exe['name'],
3918 emulators += {exe['name']: emulator}
3923 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3924 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3925 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3926 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3928 custom_target(exe['name'] + stp['ext'],
3929 input: trace_events_all,
3930 output: exe['name'] + stp['ext'],
3931 install: stp['install'],
3932 install_dir: get_option('datadir') / 'systemtap/tapset',
3934 tracetool, '--group=all', '--format=' + stp['fmt'],
3935 '--binary=' + stp['bin'],
3936 '--target-name=' + target_name,
3937 '--target-type=' + target_type,
3938 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3939 '@INPUT@', '@OUTPUT@'
3941 depend_files: tracetool_depends)
3947 # Other build targets
3949 if get_option('plugins')
3950 install_headers('include/qemu/qemu-plugin.h')
3951 if host_os == 'windows'
3952 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3953 # so that plugin authors can compile against it.
3954 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3960 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3961 # when we don't build tools or system
3962 if xkbcommon.found()
3963 # used for the update-keymaps target, so include rules even if !have_tools
3964 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3965 dependencies: [qemuutil, xkbcommon], install: have_tools)
3969 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3970 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3971 qemu_io = executable('qemu-io', files('qemu-io.c'),
3972 dependencies: [block, qemuutil], install: true)
3973 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3974 dependencies: [blockdev, qemuutil, gnutls, selinux],
3977 subdir('storage-daemon')
3978 subdir('contrib/rdmacm-mux')
3979 subdir('contrib/elf2dmp')
3981 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3982 dependencies: qemuutil,
3986 subdir('contrib/vhost-user-blk')
3987 subdir('contrib/vhost-user-gpu')
3988 subdir('contrib/vhost-user-input')
3989 subdir('contrib/vhost-user-scsi')
3992 if host_os == 'linux'
3993 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3994 dependencies: [qemuutil, libcap_ng],
3996 install_dir: get_option('libexecdir'))
3998 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3999 dependencies: [authz, crypto, io, qom, qemuutil,
4000 libcap_ng, mpathpersist],
4005 subdir('contrib/ivshmem-client')
4006 subdir('contrib/ivshmem-server')
4019 if host_machine.system() == 'windows'
4021 find_program('scripts/nsis.py'),
4023 get_option('prefix'),
4024 meson.current_source_dir(),
4025 glib_pc.get_variable('bindir'),
4028 '-DDISPLAYVERSION=' + meson.project_version(),
4031 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4034 nsis_cmd += '-DCONFIG_GTK=y'
4037 nsis = custom_target('nsis',
4038 output: 'qemu-setup-' + meson.project_version() + '.exe',
4039 input: files('qemu.nsi'),
4040 build_always_stale: true,
4041 command: nsis_cmd + ['@INPUT@'])
4042 alias_target('installer', nsis)
4045 #########################
4046 # Configuration summary #
4047 #########################
4051 summary_info += {'Build directory': meson.current_build_dir()}
4052 summary_info += {'Source path': meson.current_source_dir()}
4053 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4054 summary(summary_info, bool_yn: true, section: 'Build environment')
4057 summary_info += {'Install prefix': get_option('prefix')}
4058 summary_info += {'BIOS directory': qemu_datadir}
4059 pathsep = host_os == 'windows' ? ';' : ':'
4060 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4061 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4062 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4063 summary_info += {'module directory': qemu_moddir}
4064 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4065 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4066 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4067 if host_os != 'windows'
4068 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4069 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4071 summary_info += {'local state directory': 'queried at runtime'}
4073 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4074 summary(summary_info, bool_yn: true, section: 'Directories')
4078 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4079 summary_info += {'sphinx-build': sphinx_build}
4081 # FIXME: the [binaries] section of machine files, which can be probed
4082 # with find_program(), would be great for passing gdb and genisoimage
4083 # paths from configure to Meson. However, there seems to be no way to
4084 # hide a program (for example if gdb is too old).
4085 if config_host.has_key('GDB')
4086 summary_info += {'gdb': config_host['GDB']}
4088 summary_info += {'iasl': iasl}
4089 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4090 if host_os == 'windows' and have_ga
4091 summary_info += {'wixl': wixl}
4093 if slirp.found() and have_system
4094 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4096 summary(summary_info, bool_yn: true, section: 'Host binaries')
4098 # Configurable features
4100 summary_info += {'Documentation': build_docs}
4101 summary_info += {'system-mode emulation': have_system}
4102 summary_info += {'user-mode emulation': have_user}
4103 summary_info += {'block layer': have_block}
4104 summary_info += {'Install blobs': get_option('install_blobs')}
4105 summary_info += {'module support': enable_modules}
4107 summary_info += {'alternative module path': get_option('module_upgrades')}
4109 summary_info += {'fuzzing support': get_option('fuzzing')}
4111 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4113 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4114 if 'simple' in get_option('trace_backends')
4115 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4117 summary_info += {'D-Bus display': dbus_display}
4118 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4119 summary_info += {'Relocatable install': get_option('relocatable')}
4120 summary_info += {'vhost-kernel support': have_vhost_kernel}
4121 summary_info += {'vhost-net support': have_vhost_net}
4122 summary_info += {'vhost-user support': have_vhost_user}
4123 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4124 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4125 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4126 summary_info += {'build guest agent': have_ga}
4127 summary(summary_info, bool_yn: true, section: 'Configurable features')
4129 # Compilation information
4131 summary_info += {'host CPU': cpu}
4132 summary_info += {'host endianness': build_machine.endian()}
4133 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4134 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4135 if 'cpp' in all_languages
4136 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4138 summary_info += {'C++ compiler': false}
4140 if 'objc' in all_languages
4141 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4143 summary_info += {'Objective-C compiler': false}
4145 option_cflags = (get_option('debug') ? ['-g'] : [])
4146 if get_option('optimization') != 'plain'
4147 option_cflags += ['-O' + get_option('optimization')]
4149 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4150 if 'cpp' in all_languages
4151 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4153 if 'objc' in all_languages
4154 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4156 link_args = get_option('c_link_args')
4157 if link_args.length() > 0
4158 summary_info += {'LDFLAGS': ' '.join(link_args)}
4160 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4161 if 'cpp' in all_languages
4162 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4164 if 'objc' in all_languages
4165 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4167 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4168 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4169 summary_info += {'PIE': get_option('b_pie')}
4170 summary_info += {'static build': get_option('prefer_static')}
4171 summary_info += {'malloc trim support': has_malloc_trim}
4172 summary_info += {'membarrier': have_membarrier}
4173 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4174 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4175 summary_info += {'mutex debugging': get_option('debug_mutex')}
4176 summary_info += {'memory allocator': get_option('malloc')}
4177 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4178 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4179 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4180 summary_info += {'gcov': get_option('b_coverage')}
4181 summary_info += {'thread sanitizer': get_option('tsan')}
4182 summary_info += {'CFI support': get_option('cfi')}
4183 if get_option('cfi')
4184 summary_info += {'CFI debug support': get_option('cfi_debug')}
4186 summary_info += {'strip binaries': get_option('strip')}
4187 summary_info += {'sparse': sparse}
4188 summary_info += {'mingw32 support': host_os == 'windows'}
4189 summary(summary_info, bool_yn: true, section: 'Compilation')
4191 # snarf the cross-compilation information for tests
4194 foreach target: target_dirs
4195 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4196 if fs.exists(tcg_mak)
4197 config_cross_tcg = keyval.load(tcg_mak)
4198 if 'CC' in config_cross_tcg
4199 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4205 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4208 # Targets and accelerators
4211 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4212 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4213 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4214 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4215 summary_info += {'Xen support': xen.found()}
4217 summary_info += {'xen ctrl version': xen.version()}
4219 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4221 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4222 if config_all_accel.has_key('CONFIG_TCG')
4223 if get_option('tcg_interpreter')
4224 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4226 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4228 summary_info += {'TCG plugins': get_option('plugins')}
4229 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4231 summary_info += {'target list': ' '.join(target_dirs)}
4233 summary_info += {'default devices': get_option('default_devices')}
4234 summary_info += {'out of process emulation': multiprocess_allowed}
4235 summary_info += {'vfio-user server': vfio_user_server_allowed}
4237 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4241 summary_info += {'coroutine backend': coroutine_backend}
4242 summary_info += {'coroutine pool': have_coroutine_pool}
4244 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4245 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4246 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4247 summary_info += {'VirtFS (9P) support': have_virtfs}
4248 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4249 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4250 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4251 summary_info += {'bochs support': get_option('bochs').allowed()}
4252 summary_info += {'cloop support': get_option('cloop').allowed()}
4253 summary_info += {'dmg support': get_option('dmg').allowed()}
4254 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4255 summary_info += {'vdi support': get_option('vdi').allowed()}
4256 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4257 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4258 summary_info += {'vpc support': get_option('vpc').allowed()}
4259 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4260 summary_info += {'qed support': get_option('qed').allowed()}
4261 summary_info += {'parallels support': get_option('parallels').allowed()}
4262 summary_info += {'FUSE exports': fuse}
4263 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4265 summary(summary_info, bool_yn: true, section: 'Block layer support')
4269 summary_info += {'TLS priority': get_option('tls_priority')}
4270 summary_info += {'GNUTLS support': gnutls}
4272 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4274 summary_info += {'libgcrypt': gcrypt}
4275 summary_info += {'nettle': nettle}
4277 summary_info += {' XTS': xts != 'private'}
4279 summary_info += {'AF_ALG support': have_afalg}
4280 summary_info += {'rng-none': get_option('rng_none')}
4281 summary_info += {'Linux keyring': have_keyring}
4282 summary_info += {'Linux keyutils': keyutils}
4283 summary(summary_info, bool_yn: true, section: 'Crypto')
4287 if host_os == 'darwin'
4288 summary_info += {'Cocoa support': cocoa}
4290 summary_info += {'SDL support': sdl}
4291 summary_info += {'SDL image support': sdl_image}
4292 summary_info += {'GTK support': gtk}
4293 summary_info += {'pixman': pixman}
4294 summary_info += {'VTE support': vte}
4295 summary_info += {'PNG support': png}
4296 summary_info += {'VNC support': vnc}
4298 summary_info += {'VNC SASL support': sasl}
4299 summary_info += {'VNC JPEG support': jpeg}
4301 summary_info += {'spice protocol support': spice_protocol}
4302 if spice_protocol.found()
4303 summary_info += {' spice server support': spice}
4305 summary_info += {'curses support': curses}
4306 summary_info += {'brlapi support': brlapi}
4307 summary(summary_info, bool_yn: true, section: 'User interface')
4311 summary_info += {'VirGL support': virgl}
4312 summary_info += {'Rutabaga support': rutabaga}
4313 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4317 if host_os not in ['darwin', 'haiku', 'windows']
4318 summary_info += {'OSS support': oss}
4319 summary_info += {'sndio support': sndio}
4320 elif host_os == 'darwin'
4321 summary_info += {'CoreAudio support': coreaudio}
4322 elif host_os == 'windows'
4323 summary_info += {'DirectSound support': dsound}
4325 if host_os == 'linux'
4326 summary_info += {'ALSA support': alsa}
4327 summary_info += {'PulseAudio support': pulse}
4329 summary_info += {'PipeWire support': pipewire}
4330 summary_info += {'JACK support': jack}
4331 summary(summary_info, bool_yn: true, section: 'Audio backends')
4335 if host_os == 'darwin'
4336 summary_info += {'vmnet.framework support': vmnet}
4338 summary_info += {'AF_XDP support': libxdp}
4339 summary_info += {'slirp support': slirp}
4340 summary_info += {'vde support': vde}
4341 summary_info += {'netmap support': have_netmap}
4342 summary_info += {'l2tpv3 support': have_l2tpv3}
4343 summary(summary_info, bool_yn: true, section: 'Network backends')
4347 summary_info += {'libtasn1': tasn1}
4348 summary_info += {'PAM': pam}
4349 summary_info += {'iconv support': iconv}
4350 summary_info += {'blkio support': blkio}
4351 summary_info += {'curl support': curl}
4352 summary_info += {'Multipath support': mpathpersist}
4353 summary_info += {'Linux AIO support': libaio}
4354 summary_info += {'Linux io_uring support': linux_io_uring}
4355 summary_info += {'ATTR/XATTR support': libattr}
4356 summary_info += {'RDMA support': rdma}
4357 summary_info += {'PVRDMA support': have_pvrdma}
4358 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4359 summary_info += {'libcap-ng support': libcap_ng}
4360 summary_info += {'bpf support': libbpf}
4361 summary_info += {'rbd support': rbd}
4362 summary_info += {'smartcard support': cacard}
4363 summary_info += {'U2F support': u2f}
4364 summary_info += {'libusb': libusb}
4365 summary_info += {'usb net redir': usbredir}
4366 summary_info += {'OpenGL support (epoxy)': opengl}
4367 summary_info += {'GBM': gbm}
4368 summary_info += {'libiscsi support': libiscsi}
4369 summary_info += {'libnfs support': libnfs}
4370 if host_os == 'windows'
4372 summary_info += {'QGA VSS support': have_qga_vss}
4375 summary_info += {'seccomp support': seccomp}
4376 summary_info += {'GlusterFS support': glusterfs}
4377 summary_info += {'hv-balloon support': hv_balloon}
4378 summary_info += {'TPM support': have_tpm}
4379 summary_info += {'libssh support': libssh}
4380 summary_info += {'lzo support': lzo}
4381 summary_info += {'snappy support': snappy}
4382 summary_info += {'bzip2 support': libbzip2}
4383 summary_info += {'lzfse support': liblzfse}
4384 summary_info += {'zstd support': zstd}
4385 summary_info += {'NUMA host support': numa}
4386 summary_info += {'capstone': capstone}
4387 summary_info += {'libpmem support': libpmem}
4388 summary_info += {'libdaxctl support': libdaxctl}
4389 summary_info += {'libudev': libudev}
4390 # Dummy dependency, keep .found()
4391 summary_info += {'FUSE lseek': fuse_lseek.found()}
4392 summary_info += {'selinux': selinux}
4393 summary_info += {'libdw': libdw}
4394 summary(summary_info, bool_yn: true, section: 'Dependencies')
4396 if host_arch == 'unknown'
4398 warning('UNSUPPORTED HOST CPU')
4400 message('Support for CPU host architecture ' + cpu + ' is not currently')
4401 message('maintained. The QEMU project does not guarantee that QEMU will')
4402 message('compile or work on this host CPU. You can help by volunteering')
4403 message('to maintain it and providing a build host for our continuous')
4404 message('integration setup.')
4405 if get_option('tcg').allowed() and target_dirs.length() > 0
4407 message('configure has succeeded and you can continue to build, but')
4408 message('QEMU will use a slow interpreter to emulate the target CPU.')
4412 if not supported_oses.contains(host_os)
4414 warning('UNSUPPORTED HOST OS')
4416 message('Support for host OS ' + host_os + 'is not currently maintained.')
4417 message('configure has succeeded and you can continue to build, but')
4418 message('the QEMU project does not guarantee that QEMU will compile or')
4419 message('work on this operating system. You can help by volunteering')
4420 message('to maintain it and providing a build host for our continuous')
4421 message('integration setup. This will ensure that future versions of QEMU')
4422 message('will keep working on ' + host_os + '.')
4425 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4427 message('If you want to help supporting QEMU on this platform, please')
4428 message('contact the developers at qemu-devel@nongnu.org.')
4431 actually_reloc = get_option('relocatable')
4432 # check if get_relocated_path() is actually able to relocate paths
4433 if get_option('relocatable') and \
4434 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4436 warning('bindir not included within prefix, the installation will not be relocatable.')
4437 actually_reloc = false
4439 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4440 if host_os == 'windows'
4442 warning('Windows installs should usually be relocatable.')
4445 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4446 message('Use --disable-relocatable to remove this warning.')