1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
16 not_found = dependency('', required: false)
17 keyval = import('keyval')
18 ss = import('sourceset')
21 host_os = host_machine.system()
22 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
31 if get_option('qemu_suffix').startswith('/')
32 error('qemu_suffix cannot start with a /')
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
44 qapi_trace_events = []
46 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
47 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
48 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
49 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
51 cpu = host_machine.cpu_family()
53 target_dirs = config_host['TARGET_DIRS'].split()
59 sh = find_program('sh')
60 python = import('python').find_installation()
62 cc = meson.get_compiler('c')
64 if host_os == 'windows' and add_languages('cpp', required: false, native: false)
65 all_languages += ['cpp']
66 cxx = meson.get_compiler('cpp')
68 if host_os == 'darwin' and \
69 add_languages('objc', required: true, native: false)
70 all_languages += ['objc']
71 objc = meson.get_compiler('objc')
76 if 'dtrace' in get_option('trace_backends')
77 dtrace = find_program('dtrace', required: true)
78 stap = find_program('stap', required: false)
80 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
81 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
82 # instead. QEMU --enable-modules depends on this because the SystemTap
83 # semaphores are linked into the main binary and not the module's shared
85 add_global_arguments('-DSTAP_SDT_V2',
86 native: false, language: all_languages)
90 if get_option('iasl') == ''
91 iasl = find_program('iasl', required: false)
93 iasl = find_program(get_option('iasl'), required: true)
96 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
97 unpack_edk2_blobs = false
98 foreach target : edk2_targets
99 if target in target_dirs
100 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
101 unpack_edk2_blobs = bzip2.found()
106 #####################
107 # Option validation #
108 #####################
111 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
114 #include <sys/types.h>
115 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
116 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
118 args: ['-Werror', '-fsanitize=fuzzer'])
119 error('Your compiler does not support -fsanitize=fuzzer')
123 if 'ftrace' in get_option('trace_backends') and host_os != 'linux'
124 error('ftrace is supported only on Linux')
126 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
129 openlog("qemu", LOG_PID, LOG_DAEMON);
130 syslog(LOG_INFO, "configure");
133 error('syslog is not supported on this system')
136 # Miscellaneous Linux-only features
137 get_option('mpath') \
138 .require(host_os == 'linux', error_message: 'Multipath is supported only on Linux')
140 multiprocess_allowed = get_option('multiprocess') \
141 .require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
144 vfio_user_server_allowed = get_option('vfio_user_server') \
145 .require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \
148 have_tpm = get_option('tpm') \
149 .require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
153 have_vhost_user = get_option('vhost_user') \
154 .disable_auto_if(host_os != 'linux') \
155 .require(host_os != 'windows',
156 error_message: 'vhost-user is not available on Windows').allowed()
157 have_vhost_vdpa = get_option('vhost_vdpa') \
158 .require(host_os == 'linux',
159 error_message: 'vhost-vdpa is only available on Linux').allowed()
160 have_vhost_kernel = get_option('vhost_kernel') \
161 .require(host_os == 'linux',
162 error_message: 'vhost-kernel is only available on Linux').allowed()
163 have_vhost_user_crypto = get_option('vhost_crypto') \
164 .require(have_vhost_user,
165 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
167 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
169 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
170 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
171 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
172 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
174 # type of binaries to build
175 have_linux_user = false
176 have_bsd_user = false
178 foreach target : target_dirs
179 have_linux_user = have_linux_user or target.endswith('linux-user')
180 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
181 have_system = have_system or target.endswith('-softmmu')
183 have_user = have_linux_user or have_bsd_user
185 have_tools = get_option('tools') \
186 .disable_auto_if(not have_system) \
188 have_ga = get_option('guest_agent') \
189 .disable_auto_if(not have_system and not have_tools) \
190 .require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
191 error_message: 'unsupported OS for QEMU guest agent') \
193 have_block = have_system or have_tools
195 enable_modules = get_option('modules') \
196 .require(host_os != 'windows',
197 error_message: 'Modules are not available for Windows') \
198 .require(not get_option('prefer_static'),
199 error_message: 'Modules are incompatible with static linking') \
202 #######################################
203 # Variables for host and accelerators #
204 #######################################
206 if cpu not in supported_cpus
207 host_arch = 'unknown'
212 elif cpu in ['riscv32', 'riscv64']
218 if cpu in ['x86', 'x86_64']
219 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
220 elif cpu == 'aarch64'
221 kvm_targets = ['aarch64-softmmu']
223 kvm_targets = ['s390x-softmmu']
224 elif cpu in ['ppc', 'ppc64']
225 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
226 elif cpu in ['mips', 'mips64']
227 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
228 elif cpu in ['riscv32']
229 kvm_targets = ['riscv32-softmmu']
230 elif cpu in ['riscv64']
231 kvm_targets = ['riscv64-softmmu']
232 elif cpu in ['loongarch64']
233 kvm_targets = ['loongarch64-softmmu']
237 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
239 if cpu in ['x86', 'x86_64']
240 xen_targets = ['i386-softmmu', 'x86_64-softmmu']
241 elif cpu in ['arm', 'aarch64']
242 # i386 emulator provides xenpv machine type for multiple architectures
243 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
247 accelerator_targets += { 'CONFIG_XEN': xen_targets }
249 if cpu in ['aarch64']
250 accelerator_targets += {
251 'CONFIG_HVF': ['aarch64-softmmu']
255 if cpu in ['x86', 'x86_64']
256 accelerator_targets += {
257 'CONFIG_HVF': ['x86_64-softmmu'],
258 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
259 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
264 # Darwin does not support references to thread-local variables in modules
265 if host_os != 'darwin'
266 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
273 foreach lang : all_languages
274 compiler = meson.get_compiler(lang)
275 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
277 elif compiler.get_id() == 'clang' and compiler.compiles('''
278 #ifdef __apple_build_version__
279 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
280 # error You need at least XCode Clang v12.0 to compile QEMU
283 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
284 # error You need at least Clang v10.0 to compile QEMU
289 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
293 # default flags for all hosts
294 # We use -fwrapv to tell the compiler that we require a C dialect where
295 # left shift of signed integers is well defined and has the expected
296 # 2s-complement style results. (Both clang and gcc agree that it
297 # provides these semantics.)
299 qemu_common_flags = [
300 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
301 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
305 if host_os == 'darwin'
306 # Disable attempts to use ObjectiveC features in os/object.h since they
307 # won't work when we're compiling with gcc as a C compiler.
308 if compiler.get_id() == 'gcc'
309 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
311 elif host_os == 'sunos'
312 # needed for CMSG_ macros in sys/socket.h
313 qemu_common_flags += '-D_XOPEN_SOURCE=600'
314 # needed for TIOCWIN* defines in termios.h
315 qemu_common_flags += '-D__EXTENSIONS__'
316 elif host_os == 'haiku'
317 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
320 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
321 # use i686 as default anyway, but for those that don't, an explicit
322 # specification is necessary
323 if host_arch == 'i386' and not cc.links('''
324 static int sfaa(int *ptr)
326 return __sync_fetch_and_and(ptr, 0);
332 val = __sync_val_compare_and_swap(&val, 0, 1);
336 qemu_common_flags = ['-march=i486'] + qemu_common_flags
339 if get_option('prefer_static')
340 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
343 # Meson currently only handles pie as a boolean for now, so if the user
344 # has explicitly disabled PIE we need to extend our cflags.
346 # -no-pie is supposedly a linker flag that has no effect on the compiler
347 # command line, but some distros, that didn't quite know what they were
348 # doing, made local changes to gcc's specs file that turned it into
349 # a compiler command-line flag.
351 # What about linker flags? For a static build, no PIE is implied by -static
352 # which we added above (and if it's not because of the same specs patching,
353 # there's nothing we can do: compilation will fail, report a bug to your
354 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
355 # instead, we can't add -no-pie because it overrides -shared: the linker then
356 # tries to build an executable instead of a shared library and fails. So
357 # don't add -no-pie anywhere and cross fingers. :(
358 if not get_option('b_pie')
359 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
362 if not get_option('stack_protector').disabled()
363 stack_protector_probe = '''
364 int main(int argc, char *argv[])
366 char arr[64], *p = arr, *c = argv[argc - 1];
372 have_stack_protector = false
373 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
374 # We need to check both a compile and a link, since some compiler
375 # setups fail only on a .c->.o compile and some only at link time
376 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
377 cc.links(stack_protector_probe, args: ['-Werror', arg])
378 have_stack_protector = true
384 get_option('stack_protector') \
385 .require(have_stack_protector, error_message: 'Stack protector not supported')
388 coroutine_backend = get_option('coroutine_backend')
390 #include <ucontext.h>
391 #ifdef __stub_makecontext
392 #error Ignoring glibc stub makecontext which will always fail
394 int main(void) { makecontext(0, 0, 0); return 0; }'''
396 # On Windows the only valid backend is the Windows specific one.
397 # For POSIX prefer ucontext, but it's not always possible. The fallback
399 supported_backends = []
400 if host_os == 'windows'
401 supported_backends += ['windows']
403 if host_os != 'darwin' and cc.links(ucontext_probe)
404 supported_backends += ['ucontext']
406 supported_backends += ['sigaltstack']
409 if coroutine_backend == 'auto'
410 coroutine_backend = supported_backends[0]
411 elif coroutine_backend not in supported_backends
412 error('"@0@" backend requested but not available. Available backends: @1@' \
413 .format(coroutine_backend, ', '.join(supported_backends)))
416 # Compiles if SafeStack *not* enabled
417 safe_stack_probe = '''
420 #if defined(__has_feature)
421 #if __has_feature(safe_stack)
422 #error SafeStack Enabled
427 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
428 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
429 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
430 error(get_option('safe_stack') \
431 ? 'SafeStack not supported by your compiler' \
432 : 'Cannot disable SafeStack')
434 qemu_cflags += safe_stack_arg
435 qemu_ldflags += safe_stack_arg
437 if get_option('safe_stack') and coroutine_backend != 'ucontext'
438 error('SafeStack is only supported with the ucontext coroutine backend')
441 if get_option('sanitizers')
442 if cc.has_argument('-fsanitize=address')
443 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
444 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
447 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
448 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
449 args: [qemu_ldflags, '-fsanitize=undefined'])
450 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
451 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
455 # Thread sanitizer is, for now, much noisier than the other sanitizers;
456 # keep it separate until that is not the case.
457 if get_option('tsan')
458 if get_option('sanitizers')
459 error('TSAN is not supported with other sanitizers')
461 if not cc.has_function('__tsan_create_fiber',
462 args: '-fsanitize=thread',
463 prefix: '#include <sanitizer/tsan_interface.h>')
464 error('Cannot enable TSAN due to missing fiber annotation interface')
466 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
467 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
470 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
471 # The combination is known as "full relro", because .got.plt is read-only too.
472 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
474 if host_os == 'windows'
475 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
476 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
479 if get_option('fuzzing')
480 # Specify a filter to only instrument code that is directly related to
482 configure_file(output: 'instrumentation-filter',
483 input: 'scripts/oss-fuzz/instrumentation-filter-template',
486 if cc.compiles('int main () { return 0; }',
487 name: '-fsanitize-coverage-allowlist=/dev/null',
488 args: ['-fsanitize-coverage-allowlist=/dev/null',
489 '-fsanitize-coverage=trace-pc'] )
490 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
493 if get_option('fuzzing_engine') == ''
494 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
495 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
496 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
497 # unable to bind the fuzzer-related callbacks added by instrumentation.
498 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
499 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
500 # For the actual fuzzer binaries, we need to link against the libfuzzer
501 # library. They need to be configurable, to support OSS-Fuzz
502 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
504 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
505 # the needed CFLAGS have already been provided
506 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
512 # Check for dependency on LTO
513 if not get_option('b_lto')
514 error('Selected Control-Flow Integrity but LTO is disabled')
517 error('Selected Control-Flow Integrity is not compatible with modules')
519 # Check for cfi flags. CFI requires LTO so we can't use
520 # get_supported_arguments, but need a more complex "compiles" which allows
522 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
523 args: ['-flto', '-fsanitize=cfi-icall'] )
524 cfi_flags += '-fsanitize=cfi-icall'
526 error('-fsanitize=cfi-icall is not supported by the compiler')
528 if cc.compiles('int main () { return 0; }',
529 name: '-fsanitize-cfi-icall-generalize-pointers',
530 args: ['-flto', '-fsanitize=cfi-icall',
531 '-fsanitize-cfi-icall-generalize-pointers'] )
532 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
534 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
536 if get_option('cfi_debug')
537 if cc.compiles('int main () { return 0; }',
538 name: '-fno-sanitize-trap=cfi-icall',
539 args: ['-flto', '-fsanitize=cfi-icall',
540 '-fno-sanitize-trap=cfi-icall'] )
541 cfi_flags += '-fno-sanitize-trap=cfi-icall'
543 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
546 add_global_arguments(cfi_flags, native: false, language: all_languages)
547 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
550 # Check further flags that make QEMU more robust against malicious parties
553 # Initialize all stack variables to zero. This makes
554 # it harder to take advantage of uninitialized stack
555 # data to drive exploits
556 '-ftrivial-auto-var-init=zero',
559 # Zero out registers used during a function call
560 # upon its return. This makes it harder to assemble
561 # ROP gadgets into something usable
563 # NB: Clang 17 is broken and SEGVs
564 # https://github.com/llvm/llvm-project/issues/75168
566 # NB2: This clashes with the "retguard" extension of OpenBSD's Clang
567 # https://gitlab.com/qemu-project/qemu/-/issues/2278
568 if host_os != 'openbsd' and \
569 cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
570 name: '-fzero-call-used-regs=used-gpr',
571 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
572 hardening_flags += '-fzero-call-used-regs=used-gpr'
575 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
577 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
578 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
580 # Collect warning flags we want to set, sorted alphabetically
582 # First enable interesting warnings
585 '-Wexpansion-to-defined',
588 '-Wignored-qualifiers',
589 '-Wimplicit-fallthrough=2',
591 '-Wmissing-format-attribute',
592 '-Wmissing-prototypes',
594 '-Wold-style-declaration',
595 '-Wold-style-definition',
598 '-Wstrict-prototypes',
604 # Then disable some undesirable warnings
605 '-Wno-gnu-variable-sized-type-not-at-end',
606 '-Wno-initializer-overrides',
607 '-Wno-missing-include-dirs',
609 '-Wno-shift-negative-value',
610 '-Wno-string-plus-int',
611 '-Wno-tautological-type-limit-compare',
612 '-Wno-typedef-redefinition',
615 if host_os != 'darwin'
616 warn_flags += ['-Wthread-safety']
619 # Set up C++ compiler flags
621 if 'cpp' in all_languages
622 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
625 add_project_arguments(qemu_cflags, native: false, language: 'c')
626 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
627 if 'cpp' in all_languages
628 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
629 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
631 if 'objc' in all_languages
632 # Note sanitizer flags are not applied to Objective-C sources!
633 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
635 if host_os == 'linux'
636 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
637 '-isystem', 'linux-headers',
638 language: all_languages)
641 add_project_arguments('-iquote', '.',
642 '-iquote', meson.current_source_dir(),
643 '-iquote', meson.current_source_dir() / 'include',
644 language: all_languages)
646 # If a host-specific include directory exists, list that first...
647 host_include = meson.current_source_dir() / 'host/include/'
648 if fs.is_dir(host_include / host_arch)
649 add_project_arguments('-iquote', host_include / host_arch,
650 language: all_languages)
652 # ... followed by the generic fallback.
653 add_project_arguments('-iquote', host_include / 'generic',
654 language: all_languages)
656 sparse = find_program('cgcc', required: get_option('sparse'))
659 command: [find_program('scripts/check_sparse.py'),
660 'compile_commands.json', sparse.full_path(), '-Wbitwise',
661 '-Wno-transparent-union', '-Wno-old-initializer',
662 '-Wno-non-pointer-null'])
665 #####################################
666 # Host-specific libraries and flags #
667 #####################################
669 libm = cc.find_library('m', required: false)
670 threads = dependency('threads')
671 util = cc.find_library('util', required: false)
677 emulator_link_args = []
682 if host_os == 'windows'
683 midl = find_program('midl', required: false)
684 widl = find_program('widl', required: false)
685 pathcch = cc.find_library('pathcch')
686 socket = cc.find_library('ws2_32')
687 winmm = cc.find_library('winmm')
689 win = import('windows')
690 version_res = win.compile_resources('version.rc',
691 depend_files: files('pc-bios/qemu-nsis.ico'),
692 include_directories: include_directories('.'))
694 elif host_os == 'darwin'
695 coref = dependency('appleframeworks', modules: 'CoreFoundation')
696 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
697 host_dsosuf = '.dylib'
698 elif host_os == 'sunos'
699 socket = [cc.find_library('socket'),
700 cc.find_library('nsl'),
701 cc.find_library('resolv')]
702 elif host_os == 'haiku'
703 socket = [cc.find_library('posix_error_mapper'),
704 cc.find_library('network'),
705 cc.find_library('bsd')]
706 elif host_os == 'openbsd'
707 if get_option('tcg').allowed() and target_dirs.length() > 0
708 # Disable OpenBSD W^X if available
709 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
713 ###############################################
714 # Host-specific configuration of accelerators #
715 ###############################################
718 if get_option('kvm').allowed() and host_os == 'linux'
719 accelerators += 'CONFIG_KVM'
721 if get_option('whpx').allowed() and host_os == 'windows'
722 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
723 error('WHPX requires 64-bit host')
724 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
725 cc.has_header('winhvemulation.h', required: get_option('whpx'))
726 accelerators += 'CONFIG_WHPX'
731 if get_option('hvf').allowed()
732 hvf = dependency('appleframeworks', modules: 'Hypervisor',
733 required: get_option('hvf'))
735 accelerators += 'CONFIG_HVF'
740 if host_os == 'netbsd'
741 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
743 accelerators += 'CONFIG_NVMM'
748 if get_option('tcg').allowed()
749 if host_arch == 'unknown'
750 if not get_option('tcg_interpreter')
751 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
753 elif get_option('tcg_interpreter')
754 warning('Use of the TCG interpreter is not recommended on this host')
755 warning('architecture. There is a native TCG execution backend available')
756 warning('which provides substantially better performance and reliability.')
757 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
758 warning('configuration option on this architecture to use the native')
761 if get_option('tcg_interpreter')
763 elif host_arch == 'x86_64'
765 elif host_arch == 'ppc64'
768 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
769 language: all_languages)
771 accelerators += 'CONFIG_TCG'
774 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
775 error('KVM not available on this platform')
777 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
778 error('HVF not available on this platform')
780 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
781 error('NVMM not available on this platform')
783 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
784 error('WHPX not available on this platform')
788 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
789 xencontrol = dependency('xencontrol', required: false,
790 method: 'pkg-config')
791 if xencontrol.found()
792 xen_pc = declare_dependency(version: xencontrol.version(),
795 # disabler: true makes xen_pc.found() return false if any is not found
796 dependency('xenstore', required: false,
797 method: 'pkg-config',
799 dependency('xenforeignmemory', required: false,
800 method: 'pkg-config',
802 dependency('xengnttab', required: false,
803 method: 'pkg-config',
805 dependency('xenevtchn', required: false,
806 method: 'pkg-config',
808 dependency('xendevicemodel', required: false,
809 method: 'pkg-config',
811 # optional, no "disabler: true"
812 dependency('xentoolcore', required: false,
813 method: 'pkg-config')])
819 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
821 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
822 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
823 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
824 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
825 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
828 foreach ver: xen_tests
829 # cache the various library tests to avoid polluting the logs
831 foreach l: xen_libs[ver]
833 xen_deps += { l: cc.find_library(l, required: false) }
835 xen_test_deps += xen_deps[l]
838 # Use -D to pick just one of the test programs in scripts/xen-detect.c
839 xen_version = ver.split('.')
840 xen_ctrl_version = xen_version[0] + \
841 ('0' + xen_version[1]).substring(-2) + \
842 ('0' + xen_version[2]).substring(-2)
843 if cc.links(files('scripts/xen-detect.c'),
844 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
845 dependencies: xen_test_deps)
846 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
852 accelerators += 'CONFIG_XEN'
853 elif get_option('xen').enabled()
854 error('could not compile and link Xen test program')
857 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
858 .require(xen.found(),
859 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
860 .require(host_os == 'linux',
861 error_message: 'Xen PCI passthrough not available on this platform') \
862 .require(cpu == 'x86' or cpu == 'x86_64',
863 error_message: 'Xen PCI passthrough not available on this platform') \
870 # When bumping glib minimum version, please check also whether to increase
871 # the _WIN32_WINNT setting in osdep.h according to the value from glib
872 glib_req_ver = '>=2.56.0'
873 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
874 method: 'pkg-config')
877 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
878 method: 'pkg-config')
879 elif get_option('plugins')
880 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
881 method: 'pkg-config')
886 # This workaround is required due to a bug in pkg-config file for glib as it
887 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
888 if host_os == 'windows' and get_option('prefer_static')
889 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
892 # Sanity check that the current size_t matches the
893 # size that glib thinks it should be. This catches
894 # problems on multi-arch where people try to build
895 # 32-bit QEMU while pointing at 64-bit glib headers
897 if not cc.compiles('''
901 #define QEMU_BUILD_BUG_ON(x) \
902 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
905 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
907 }''', dependencies: glib_pc, args: glib_cflags)
908 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
909 You probably need to set PKG_CONFIG_LIBDIR" to point
910 to the right pkg-config files for your build target.''')
913 # Silence clang warnings triggered by glib < 2.57.2
914 if not cc.compiles('''
919 static void foo_free(Foo *f)
923 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
924 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
925 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
927 glib = declare_dependency(dependencies: [glib_pc, gmodule],
928 compile_args: glib_cflags,
929 version: glib_pc.version())
931 # Check whether glib has gslice, which we have to avoid for correctness.
932 # TODO: remove this check and the corresponding workaround (qtree) when
933 # the minimum supported glib is >= 2.75.3
934 glib_has_gslice = glib.version().version_compare('<2.75.3')
936 # override glib dep to include the above refinements
937 meson.override_dependency('glib-2.0', glib)
939 # The path to glib.h is added to all compilation commands.
940 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
941 native: false, language: all_languages)
944 gdbus_codegen = not_found
945 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
946 if not get_option('gio').auto() or have_system
947 gio = dependency('gio-2.0', required: get_option('gio'),
948 method: 'pkg-config')
949 if gio.found() and not cc.links('''
953 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
955 }''', dependencies: [glib, gio])
956 if get_option('gio').enabled()
957 error('The installed libgio is broken for static linking')
962 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
963 required: get_option('gio'))
964 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
965 method: 'pkg-config')
966 gio = declare_dependency(dependencies: [gio, gio_unix],
967 version: gio.version())
970 if gdbus_codegen.found() and get_option('cfi')
971 gdbus_codegen = not_found
972 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
975 xml_pp = find_program('scripts/xml-preprocess.py')
978 if 'ust' in get_option('trace_backends')
979 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
980 method: 'pkg-config')
983 if not get_option('pixman').auto() or have_system or have_tools
984 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
985 method: 'pkg-config')
988 zlib = dependency('zlib', required: true)
991 if not get_option('linux_aio').auto() or have_block
992 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
993 required: get_option('linux_aio'))
996 linux_io_uring_test = '''
997 #include <liburing.h>
998 #include <linux/errqueue.h>
1000 int main(void) { return 0; }'''
1002 linux_io_uring = not_found
1003 if not get_option('linux_io_uring').auto() or have_block
1004 linux_io_uring = dependency('liburing', version: '>=0.3',
1005 required: get_option('linux_io_uring'),
1006 method: 'pkg-config')
1007 if not cc.links(linux_io_uring_test)
1008 linux_io_uring = not_found
1013 if not get_option('libnfs').auto() or have_block
1014 libnfs = dependency('libnfs', version: '>=1.9.3',
1015 required: get_option('libnfs'),
1016 method: 'pkg-config')
1021 #include <sys/types.h>
1022 #ifdef CONFIG_LIBATTR
1023 #include <attr/xattr.h>
1025 #include <sys/xattr.h>
1027 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1030 have_old_libattr = false
1031 if get_option('attr').allowed()
1032 if cc.links(libattr_test)
1033 libattr = declare_dependency()
1035 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1036 required: get_option('attr'))
1037 if libattr.found() and not \
1038 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1040 if get_option('attr').enabled()
1041 error('could not link libattr')
1043 warning('could not link libattr, disabling')
1046 have_old_libattr = libattr.found()
1051 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1052 required: get_option('cocoa'))
1054 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1055 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1056 'VMNET_BRIDGED_MODE',
1057 dependencies: vmnet)
1059 if get_option('vmnet').enabled()
1060 error('vmnet.framework API is outdated')
1062 warning('vmnet.framework API is outdated, disabling')
1067 seccomp_has_sysrawrc = false
1068 if not get_option('seccomp').auto() or have_system or have_tools
1069 seccomp = dependency('libseccomp', version: '>=2.3.0',
1070 required: get_option('seccomp'),
1071 method: 'pkg-config')
1073 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1074 'SCMP_FLTATR_API_SYSRAWRC',
1075 dependencies: seccomp)
1079 libcap_ng = not_found
1080 if not get_option('cap_ng').auto() or have_system or have_tools
1081 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1082 required: get_option('cap_ng'))
1084 if libcap_ng.found() and not cc.links('''
1088 capng_capability_to_name(CAPNG_EFFECTIVE);
1090 }''', dependencies: libcap_ng)
1091 libcap_ng = not_found
1092 if get_option('cap_ng').enabled()
1093 error('could not link libcap-ng')
1095 warning('could not link libcap-ng, disabling')
1099 if get_option('xkbcommon').auto() and not have_system and not have_tools
1100 xkbcommon = not_found
1102 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1103 method: 'pkg-config')
1107 if not get_option('slirp').auto() or have_system
1108 slirp = dependency('slirp', required: get_option('slirp'),
1109 method: 'pkg-config')
1110 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1111 # it passes function pointers within libslirp as callbacks for timers.
1112 # When using a system-wide shared libslirp, the type information for the
1113 # callback is missing and the timer call produces a false positive with CFI.
1114 # Do not use the "version" keyword argument to produce a better error.
1115 # with control-flow integrity.
1116 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1117 if get_option('slirp').enabled()
1118 error('Control-Flow Integrity requires libslirp 4.7.')
1120 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1127 if not get_option('vde').auto() or have_system or have_tools
1128 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1129 required: get_option('vde'))
1131 if vde.found() and not cc.links('''
1132 #include <libvdeplug.h>
1135 struct vde_open_args a = {0, 0, 0};
1139 }''', dependencies: vde)
1141 if get_option('cap_ng').enabled()
1142 error('could not link libvdeplug')
1144 warning('could not link libvdeplug, disabling')
1149 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1150 pulse = dependency('libpulse', required: get_option('pa'),
1151 method: 'pkg-config')
1154 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1155 alsa = dependency('alsa', required: get_option('alsa'),
1156 method: 'pkg-config')
1159 if not get_option('jack').auto() or have_system
1160 jack = dependency('jack', required: get_option('jack'),
1161 method: 'pkg-config')
1163 pipewire = not_found
1164 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1165 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1166 required: get_option('pipewire'),
1167 method: 'pkg-config')
1170 if not get_option('sndio').auto() or have_system
1171 sndio = dependency('sndio', required: get_option('sndio'),
1172 method: 'pkg-config')
1175 spice_protocol = not_found
1176 if not get_option('spice_protocol').auto() or have_system
1177 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1178 required: get_option('spice_protocol'),
1179 method: 'pkg-config')
1182 if get_option('spice') \
1183 .disable_auto_if(not have_system) \
1184 .require(pixman.found(),
1185 error_message: 'cannot enable SPICE if pixman is not available') \
1187 spice = dependency('spice-server', version: '>=0.14.0',
1188 required: get_option('spice'),
1189 method: 'pkg-config')
1191 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1193 rt = cc.find_library('rt', required: false)
1195 libiscsi = not_found
1196 if not get_option('libiscsi').auto() or have_block
1197 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1198 required: get_option('libiscsi'),
1199 method: 'pkg-config')
1202 if not get_option('zstd').auto() or have_block
1203 zstd = dependency('libzstd', version: '>=1.4.0',
1204 required: get_option('zstd'),
1205 method: 'pkg-config')
1209 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1210 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1211 virgl = dependency('virglrenderer',
1212 method: 'pkg-config',
1213 required: get_option('virglrenderer'))
1215 rutabaga = not_found
1216 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1217 rutabaga = dependency('rutabaga_gfx_ffi',
1218 method: 'pkg-config',
1219 required: get_option('rutabaga_gfx'))
1222 if not get_option('blkio').auto() or have_block
1223 blkio = dependency('blkio',
1224 method: 'pkg-config',
1225 required: get_option('blkio'))
1228 if not get_option('curl').auto() or have_block
1229 curl = dependency('libcurl', version: '>=7.29.0',
1230 method: 'pkg-config',
1231 required: get_option('curl'))
1234 if host_os == 'linux' and (have_system or have_tools)
1235 libudev = dependency('libudev',
1236 method: 'pkg-config',
1237 required: get_option('libudev'))
1240 mpathlibs = [libudev]
1241 mpathpersist = not_found
1242 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1243 mpath_test_source = '''
1244 #include <libudev.h>
1245 #include <mpath_persist.h>
1246 unsigned mpath_mx_alloc_len = 1024;
1248 static struct config *multipath_conf;
1249 extern struct udev *udev;
1250 extern struct config *get_multipath_config(void);
1251 extern void put_multipath_config(struct config *conf);
1253 struct config *get_multipath_config(void) { return multipath_conf; }
1254 void put_multipath_config(struct config *conf) { }
1257 multipath_conf = mpath_lib_init();
1260 libmpathpersist = cc.find_library('mpathpersist',
1261 required: get_option('mpath'))
1262 if libmpathpersist.found()
1263 mpathlibs += libmpathpersist
1264 if get_option('prefer_static')
1265 mpathlibs += cc.find_library('devmapper',
1266 required: get_option('mpath'))
1268 mpathlibs += cc.find_library('multipath',
1269 required: get_option('mpath'))
1270 foreach lib: mpathlibs
1276 if mpathlibs.length() == 0
1277 msg = 'Dependencies missing for libmpathpersist'
1278 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1279 mpathpersist = declare_dependency(dependencies: mpathlibs)
1281 msg = 'Cannot detect libmpathpersist API'
1283 if not mpathpersist.found()
1284 if get_option('mpath').enabled()
1287 warning(msg + ', disabling')
1295 if have_system and get_option('curses').allowed()
1297 #if defined(__APPLE__) || defined(__OpenBSD__)
1298 #define _XOPEN_SOURCE_EXTENDED 1
1305 setlocale(LC_ALL, "");
1307 addwstr(L"wide chars\n");
1309 add_wch(WACS_DEGREE);
1313 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1314 curses = dependency(curses_dep_list,
1316 method: 'pkg-config')
1317 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1318 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1320 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1321 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1322 version: curses.version())
1324 msg = 'curses package not usable'
1328 if not curses.found()
1329 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1330 if host_os != 'windows' and not has_curses_h
1331 message('Trying with /usr/include/ncursesw')
1332 curses_compile_args += ['-I/usr/include/ncursesw']
1333 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1336 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1337 foreach curses_libname : curses_libname_list
1338 libcurses = cc.find_library(curses_libname,
1340 if libcurses.found()
1341 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1342 curses = declare_dependency(compile_args: curses_compile_args,
1343 dependencies: [libcurses])
1346 msg = 'curses library not usable'
1352 if get_option('iconv').allowed()
1353 foreach link_args : [ ['-liconv'], [] ]
1354 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1355 # We need to use libiconv if available because mixing libiconv's headers with
1356 # the system libc does not work.
1357 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1358 # included in the command line and libiconv will not be found.
1362 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1363 return conv != (iconv_t) -1;
1364 }''', args: link_args, dependencies: glib)
1365 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1370 if curses.found() and not iconv.found()
1371 if get_option('iconv').enabled()
1372 error('iconv not available')
1374 msg = 'iconv required for curses UI but not available'
1377 if not curses.found() and msg != ''
1378 if get_option('curses').enabled()
1381 warning(msg + ', disabling')
1387 if not get_option('brlapi').auto() or have_system
1388 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1389 required: get_option('brlapi'))
1390 if brlapi.found() and not cc.links('''
1393 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1395 if get_option('brlapi').enabled()
1396 error('could not link brlapi')
1398 warning('could not link brlapi, disabling')
1404 if not get_option('sdl').auto() or have_system
1405 sdl = dependency('sdl2', required: get_option('sdl'))
1406 sdl_image = not_found
1409 # Some versions of SDL have problems with -Wundef
1410 if not cc.compiles('''
1412 #include <SDL_syswm.h>
1413 int main(int argc, char *argv[]) { return 0; }
1414 ''', dependencies: sdl, args: '-Werror=undef')
1415 sdl = declare_dependency(compile_args: '-Wno-undef',
1417 version: sdl.version())
1419 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1420 method: 'pkg-config')
1422 if get_option('sdl_image').enabled()
1423 error('sdl-image required, but SDL was @0@'.format(
1424 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1426 sdl_image = not_found
1430 if not get_option('rbd').auto() or have_block
1431 librados = cc.find_library('rados', required: get_option('rbd'))
1432 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1433 required: get_option('rbd'))
1434 if librados.found() and librbd.found()
1437 #include <rbd/librbd.h>
1440 rados_create(&cluster, NULL);
1441 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1445 }''', dependencies: [librbd, librados])
1446 rbd = declare_dependency(dependencies: [librbd, librados])
1447 elif get_option('rbd').enabled()
1448 error('librbd >= 1.12.0 required')
1450 warning('librbd >= 1.12.0 not found, disabling')
1455 glusterfs = not_found
1456 glusterfs_ftruncate_has_stat = false
1457 glusterfs_iocb_has_stat = false
1458 if not get_option('glusterfs').auto() or have_block
1459 glusterfs = dependency('glusterfs-api', version: '>=3',
1460 required: get_option('glusterfs'),
1461 method: 'pkg-config')
1462 if glusterfs.found()
1463 glusterfs_ftruncate_has_stat = cc.links('''
1464 #include <glusterfs/api/glfs.h>
1469 /* new glfs_ftruncate() passes two additional args */
1470 return glfs_ftruncate(NULL, 0, NULL, NULL);
1472 ''', dependencies: glusterfs)
1473 glusterfs_iocb_has_stat = cc.links('''
1474 #include <glusterfs/api/glfs.h>
1476 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1478 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1484 glfs_io_cbk iocb = &glusterfs_iocb;
1485 iocb(NULL, 0 , NULL, NULL, NULL);
1488 ''', dependencies: glusterfs)
1493 if get_option('hv_balloon').allowed() and have_system
1496 #include <gmodule.h>
1500 tree = g_tree_new((GCompareFunc)strcmp);
1501 (void)g_tree_node_first(tree);
1502 g_tree_destroy(tree);
1505 ''', dependencies: glib)
1508 if get_option('hv_balloon').enabled()
1509 error('could not enable hv-balloon, update your glib')
1511 warning('could not find glib support for hv-balloon, disabling')
1517 if not get_option('libssh').auto() or have_block
1518 libssh = dependency('libssh', version: '>=0.8.7',
1519 method: 'pkg-config',
1520 required: get_option('libssh'))
1523 libbzip2 = not_found
1524 if not get_option('bzip2').auto() or have_block
1525 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1526 required: get_option('bzip2'))
1527 if libbzip2.found() and not cc.links('''
1529 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1530 libbzip2 = not_found
1531 if get_option('bzip2').enabled()
1532 error('could not link libbzip2')
1534 warning('could not link libbzip2, disabling')
1539 liblzfse = not_found
1540 if not get_option('lzfse').auto() or have_block
1541 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1542 required: get_option('lzfse'))
1544 if liblzfse.found() and not cc.links('''
1546 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1547 liblzfse = not_found
1548 if get_option('lzfse').enabled()
1549 error('could not link liblzfse')
1551 warning('could not link liblzfse, disabling')
1556 if get_option('oss').allowed() and have_system
1557 if not cc.has_header('sys/soundcard.h')
1559 elif host_os == 'netbsd'
1560 oss = cc.find_library('ossaudio', required: get_option('oss'))
1562 oss = declare_dependency()
1566 if get_option('oss').enabled()
1567 error('OSS not found')
1572 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1573 if cc.has_header('dsound.h')
1574 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1577 if not dsound.found()
1578 if get_option('dsound').enabled()
1579 error('DirectSound not found')
1584 coreaudio = not_found
1585 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1586 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1587 required: get_option('coreaudio'))
1591 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1592 epoxy = dependency('epoxy', method: 'pkg-config',
1593 required: get_option('opengl'))
1594 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1596 elif get_option('opengl').enabled()
1597 error('epoxy/egl.h not found')
1601 if (have_system or have_tools) and (virgl.found() or opengl.found())
1602 gbm = dependency('gbm', method: 'pkg-config', required: false)
1604 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1607 gnutls_crypto = not_found
1608 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1609 # For general TLS support our min gnutls matches
1610 # that implied by our platform support matrix
1612 # For the crypto backends, we look for a newer
1615 # Version 3.6.8 is needed to get XTS
1616 # Version 3.6.13 is needed to get PBKDF
1617 # Version 3.6.14 is needed to get HW accelerated XTS
1619 # If newer enough gnutls isn't available, we can
1620 # still use a different crypto backend to satisfy
1621 # the platform support requirements
1622 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1623 method: 'pkg-config',
1625 if gnutls_crypto.found()
1626 gnutls = gnutls_crypto
1628 # Our min version if all we need is TLS
1629 gnutls = dependency('gnutls', version: '>=3.5.18',
1630 method: 'pkg-config',
1631 required: get_option('gnutls'))
1635 # We prefer use of gnutls for crypto, unless the options
1636 # explicitly asked for nettle or gcrypt.
1638 # If gnutls isn't available for crypto, then we'll prefer
1639 # gcrypt over nettle for performance reasons.
1643 crypto_sm4 = not_found
1646 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1647 error('Only one of gcrypt & nettle can be enabled')
1650 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1651 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1652 gnutls_crypto = not_found
1655 if not gnutls_crypto.found()
1656 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1657 gcrypt = dependency('libgcrypt', version: '>=1.8',
1658 method: 'config-tool',
1659 required: get_option('gcrypt'))
1660 # Debian has removed -lgpg-error from libgcrypt-config
1661 # as it "spreads unnecessary dependencies" which in
1662 # turn breaks static builds...
1663 if gcrypt.found() and get_option('prefer_static')
1664 gcrypt = declare_dependency(dependencies:
1666 cc.find_library('gpg-error', required: true)],
1667 version: gcrypt.version())
1670 # SM4 ALG is available in libgcrypt >= 1.9
1671 if gcrypt.found() and not cc.links('''
1674 gcry_cipher_hd_t handler;
1675 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1677 }''', dependencies: gcrypt)
1678 crypto_sm4 = not_found
1681 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1682 nettle = dependency('nettle', version: '>=3.4',
1683 method: 'pkg-config',
1684 required: get_option('nettle'))
1685 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1689 # SM4 ALG is available in nettle >= 3.9
1690 if nettle.found() and not cc.links('''
1691 #include <nettle/sm4.h>
1694 unsigned char key[16] = {0};
1695 sm4_set_encrypt_key(&ctx, key);
1697 }''', dependencies: nettle)
1698 crypto_sm4 = not_found
1703 capstone = not_found
1704 if not get_option('capstone').auto() or have_system or have_user
1705 capstone = dependency('capstone', version: '>=3.0.5',
1706 method: 'pkg-config',
1707 required: get_option('capstone'))
1709 # Some versions of capstone have broken pkg-config file
1710 # that reports a wrong -I path, causing the #include to
1711 # fail later. If the system has such a broken version
1713 if capstone.found() and not cc.compiles('#include <capstone.h>',
1714 dependencies: [capstone])
1715 capstone = not_found
1716 if get_option('capstone').enabled()
1717 error('capstone requested, but it does not appear to work')
1722 gmp = dependency('gmp', required: false, method: 'pkg-config')
1723 if nettle.found() and gmp.found()
1724 hogweed = dependency('hogweed', version: '>=3.4',
1725 method: 'pkg-config',
1726 required: get_option('nettle'))
1733 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1735 if get_option('gtk') \
1736 .disable_auto_if(not have_system) \
1737 .require(pixman.found(),
1738 error_message: 'cannot enable GTK if pixman is not available') \
1740 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1741 method: 'pkg-config',
1742 required: get_option('gtk'))
1744 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1745 method: 'pkg-config',
1747 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1748 version: gtk.version())
1750 if not get_option('vte').auto() or have_system
1751 vte = dependency('vte-2.91',
1752 method: 'pkg-config',
1753 required: get_option('vte'))
1755 elif have_gtk_clipboard
1756 error('GTK clipboard requested, but GTK not found')
1762 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1765 if get_option('png').allowed() and have_system
1766 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1767 method: 'pkg-config')
1772 if get_option('vnc') \
1773 .disable_auto_if(not have_system) \
1774 .require(pixman.found(),
1775 error_message: 'cannot enable VNC if pixman is not available') \
1777 vnc = declare_dependency() # dummy dependency
1778 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1779 method: 'pkg-config')
1780 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1781 required: get_option('vnc_sasl'))
1783 sasl = declare_dependency(dependencies: sasl,
1784 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1789 if not get_option('auth_pam').auto() or have_system
1790 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1791 required: get_option('auth_pam'))
1793 if pam.found() and not cc.links('''
1795 #include <security/pam_appl.h>
1797 const char *service_name = "qemu";
1798 const char *user = "frank";
1799 const struct pam_conv pam_conv = { 0 };
1800 pam_handle_t *pamh = NULL;
1801 pam_start(service_name, user, &pam_conv, &pamh);
1803 }''', dependencies: pam)
1805 if get_option('auth_pam').enabled()
1806 error('could not link libpam')
1808 warning('could not link libpam, disabling')
1813 if not get_option('snappy').auto() or have_system
1814 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1815 required: get_option('snappy'))
1817 if snappy.found() and not cc.links('''
1818 #include <snappy-c.h>
1819 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1821 if get_option('snappy').enabled()
1822 error('could not link libsnappy')
1824 warning('could not link libsnappy, disabling')
1829 if not get_option('lzo').auto() or have_system
1830 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1831 required: get_option('lzo'))
1833 if lzo.found() and not cc.links('''
1834 #include <lzo/lzo1x.h>
1835 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1837 if get_option('lzo').enabled()
1838 error('could not link liblzo2')
1840 warning('could not link liblzo2, disabling')
1845 if not get_option('numa').auto() or have_system or have_tools
1846 numa = cc.find_library('numa', has_headers: ['numa.h'],
1847 required: get_option('numa'))
1849 if numa.found() and not cc.links('''
1851 int main(void) { return numa_available(); }
1852 ''', dependencies: numa)
1854 if get_option('numa').enabled()
1855 error('could not link numa')
1857 warning('could not link numa, disabling')
1862 if not get_option('rdma').auto() or have_system
1863 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1864 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1865 required: get_option('rdma')),
1866 cc.find_library('ibverbs', required: get_option('rdma')),
1868 rdma = declare_dependency(dependencies: rdma_libs)
1869 foreach lib: rdma_libs
1877 if not get_option('smartcard').auto() or have_system
1878 cacard = dependency('libcacard', required: get_option('smartcard'),
1879 version: '>=2.5.1', method: 'pkg-config')
1882 if not get_option('u2f').auto() or have_system
1883 u2f = dependency('u2f-emu', required: get_option('u2f'),
1884 method: 'pkg-config')
1887 if not get_option('canokey').auto() or have_system
1888 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1889 method: 'pkg-config')
1891 usbredir = not_found
1892 if not get_option('usb_redir').auto() or have_system
1893 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1894 version: '>=0.6', method: 'pkg-config')
1897 if not get_option('libusb').auto() or have_system
1898 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1899 version: '>=1.0.13', method: 'pkg-config')
1903 if not get_option('libpmem').auto() or have_system
1904 libpmem = dependency('libpmem', required: get_option('libpmem'),
1905 method: 'pkg-config')
1907 libdaxctl = not_found
1908 if not get_option('libdaxctl').auto() or have_system
1909 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1910 version: '>=57', method: 'pkg-config')
1914 tasn1 = dependency('libtasn1',
1915 method: 'pkg-config')
1917 keyutils = not_found
1918 if not get_option('libkeyutils').auto() or have_block
1919 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1920 method: 'pkg-config')
1923 has_gettid = cc.has_function('gettid')
1926 selinux = dependency('libselinux',
1927 required: get_option('selinux'),
1928 method: 'pkg-config')
1933 if get_option('malloc') == 'system'
1935 get_option('malloc_trim').allowed() and \
1936 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1938 has_malloc_trim = false
1939 malloc = cc.find_library(get_option('malloc'), required: true)
1941 if not has_malloc_trim and get_option('malloc_trim').enabled()
1942 if get_option('malloc') == 'system'
1943 error('malloc_trim not available on this platform.')
1945 error('malloc_trim not available with non-libc memory allocator')
1949 gnu_source_prefix = '''
1955 # Check whether the glibc provides STATX_BASIC_STATS
1957 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1959 # Check whether statx() provides mount ID information
1961 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1963 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1964 .require(host_os == 'linux',
1965 error_message: 'vhost_user_blk_server requires linux') \
1966 .require(have_vhost_user,
1967 error_message: 'vhost_user_blk_server requires vhost-user support') \
1968 .disable_auto_if(not have_tools and not have_system) \
1971 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1972 error('Cannot enable fuse-lseek while fuse is disabled')
1975 fuse = dependency('fuse3', required: get_option('fuse'),
1976 version: '>=3.1', method: 'pkg-config')
1978 fuse_lseek = not_found
1979 if get_option('fuse_lseek').allowed()
1980 if fuse.version().version_compare('>=3.8')
1982 fuse_lseek = declare_dependency()
1983 elif get_option('fuse_lseek').enabled()
1985 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1987 error('fuse-lseek requires libfuse, which was not found')
1992 have_libvduse = (host_os == 'linux')
1993 if get_option('libvduse').enabled()
1994 if host_os != 'linux'
1995 error('libvduse requires linux')
1997 elif get_option('libvduse').disabled()
1998 have_libvduse = false
2001 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2002 if get_option('vduse_blk_export').enabled()
2003 if host_os != 'linux'
2004 error('vduse_blk_export requires linux')
2005 elif not have_libvduse
2006 error('vduse_blk_export requires libvduse support')
2008 elif get_option('vduse_blk_export').disabled()
2009 have_vduse_blk_export = false
2013 bpf_version = '1.1.0'
2014 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2015 if libbpf.found() and not cc.links('''
2016 #include <bpf/libbpf.h>
2017 #include <linux/bpf.h>
2020 // check flag availability
2021 int flag = BPF_F_MMAPABLE;
2022 bpf_object__destroy_skeleton(NULL);
2024 }''', dependencies: libbpf)
2026 if get_option('bpf').enabled()
2027 error('libbpf skeleton/mmaping test failed')
2029 warning('libbpf skeleton/mmaping test failed, disabling')
2035 if not get_option('af_xdp').auto() or have_system
2036 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2037 version: '>=1.4.0', method: 'pkg-config')
2042 if not get_option('libdw').auto() or \
2043 (not get_option('prefer_static') and (have_system or have_user))
2044 libdw = dependency('libdw',
2045 method: 'pkg-config',
2046 required: get_option('libdw'))
2053 config_host_data = configuration_data()
2055 audio_drivers_selected = []
2057 audio_drivers_available = {
2058 'alsa': alsa.found(),
2059 'coreaudio': coreaudio.found(),
2060 'dsound': dsound.found(),
2061 'jack': jack.found(),
2063 'pa': pulse.found(),
2064 'pipewire': pipewire.found(),
2066 'sndio': sndio.found(),
2068 foreach k, v: audio_drivers_available
2069 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2072 # Default to native drivers first, OSS second, SDL third
2073 audio_drivers_priority = \
2074 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2075 (host_os == 'linux' ? [] : [ 'sdl' ])
2076 audio_drivers_default = []
2077 foreach k: audio_drivers_priority
2078 if audio_drivers_available[k]
2079 audio_drivers_default += k
2083 foreach k: get_option('audio_drv_list')
2085 audio_drivers_selected += audio_drivers_default
2086 elif not audio_drivers_available[k]
2087 error('Audio driver "@0@" not available.'.format(k))
2089 audio_drivers_selected += k
2093 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2094 '"' + '", "'.join(audio_drivers_selected) + '", ')
2096 have_host_block_device = (host_os != 'darwin' or
2097 cc.has_header('IOKit/storage/IOMedia.h'))
2099 dbus_display = get_option('dbus_display') \
2100 .require(gio.version().version_compare('>=2.64'),
2101 error_message: '-display dbus requires glib>=2.64') \
2102 .require(gdbus_codegen.found(),
2103 error_message: gdbus_codegen_error.format('-display dbus')) \
2106 have_virtfs = get_option('virtfs') \
2107 .require(host_os == 'linux' or host_os == 'darwin',
2108 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2109 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2110 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2111 .require(host_os == 'darwin' or libattr.found(),
2112 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2113 .disable_auto_if(not have_tools and not have_system) \
2116 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2117 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2118 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2119 .disable_auto_if(not have_tools) \
2120 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2123 if get_option('block_drv_ro_whitelist') == ''
2124 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2126 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2127 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2129 if get_option('block_drv_rw_whitelist') == ''
2130 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2132 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2133 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2136 foreach k : get_option('trace_backends')
2137 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2139 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2140 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2142 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2144 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2145 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2146 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2147 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2148 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2150 qemu_firmwarepath = ''
2151 foreach k : get_option('qemu_firmwarepath')
2152 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2154 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2156 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2157 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2158 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2159 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2160 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2161 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2164 config_host_data.set('CONFIG_STAMP', run_command(
2165 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2166 meson.project_version(), get_option('pkgversion'), '--',
2167 meson.current_source_dir() / 'configure',
2168 capture: true, check: true).stdout().strip())
2171 have_slirp_smbd = get_option('slirp_smbd') \
2172 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2175 smbd_path = get_option('smbd')
2177 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2179 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2182 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2184 kvm_targets_c = '""'
2185 if get_option('kvm').allowed() and host_os == 'linux'
2186 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2188 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2190 if get_option('module_upgrades') and not enable_modules
2191 error('Cannot enable module-upgrades as modules are not enabled')
2193 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2195 config_host_data.set('CONFIG_ATTR', libattr.found())
2196 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2197 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2198 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2199 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2200 config_host_data.set('CONFIG_COCOA', cocoa.found())
2201 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2202 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2203 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2204 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2205 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2206 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2207 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2208 config_host_data.set('CONFIG_LZO', lzo.found())
2209 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2210 config_host_data.set('CONFIG_BLKIO', blkio.found())
2212 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2213 blkio.version().version_compare('>=1.3.0'))
2215 config_host_data.set('CONFIG_CURL', curl.found())
2216 config_host_data.set('CONFIG_CURSES', curses.found())
2217 config_host_data.set('CONFIG_GBM', gbm.found())
2218 config_host_data.set('CONFIG_GIO', gio.found())
2219 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2220 if glusterfs.found()
2221 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2222 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2223 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2224 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2225 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2226 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2228 config_host_data.set('CONFIG_GTK', gtk.found())
2229 config_host_data.set('CONFIG_VTE', vte.found())
2230 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2231 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2232 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2233 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2234 config_host_data.set('CONFIG_EBPF', libbpf.found())
2235 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2236 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2237 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2238 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2239 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2240 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2241 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2242 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2243 config_host_data.set('CONFIG_MODULES', enable_modules)
2244 config_host_data.set('CONFIG_NUMA', numa.found())
2246 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2247 cc.has_function('numa_has_preferred_many',
2248 dependencies: numa))
2250 config_host_data.set('CONFIG_OPENGL', opengl.found())
2251 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2252 config_host_data.set('CONFIG_RBD', rbd.found())
2253 config_host_data.set('CONFIG_RDMA', rdma.found())
2254 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2255 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2256 config_host_data.set('CONFIG_SDL', sdl.found())
2257 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2258 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2260 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2262 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2263 config_host_data.set('CONFIG_SLIRP', slirp.found())
2264 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2265 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2266 if get_option('tcg').allowed()
2267 config_host_data.set('CONFIG_TCG', 1)
2268 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2270 config_host_data.set('CONFIG_TPM', have_tpm)
2271 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2272 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2273 config_host_data.set('CONFIG_VDE', vde.found())
2274 config_host_data.set('CONFIG_VHOST', have_vhost)
2275 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2276 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2277 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2278 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2279 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2280 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2281 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2282 config_host_data.set('CONFIG_VMNET', vmnet.found())
2283 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2284 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2285 config_host_data.set('CONFIG_PNG', png.found())
2286 config_host_data.set('CONFIG_VNC', vnc.found())
2287 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2288 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2290 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2291 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2292 prefix: '#include <virglrenderer.h>',
2293 dependencies: virgl))
2295 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2296 config_host_data.set('CONFIG_VTE', vte.found())
2297 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2298 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2299 config_host_data.set('CONFIG_GETTID', has_gettid)
2300 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2301 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2302 config_host_data.set('CONFIG_TASN1', tasn1.found())
2303 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2304 config_host_data.set('CONFIG_NETTLE', nettle.found())
2305 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2306 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2307 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2308 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2309 config_host_data.set('CONFIG_STATX', has_statx)
2310 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2311 config_host_data.set('CONFIG_ZSTD', zstd.found())
2312 config_host_data.set('CONFIG_FUSE', fuse.found())
2313 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2314 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2315 if spice_protocol.found()
2316 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2317 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2318 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2320 config_host_data.set('CONFIG_SPICE', spice.found())
2321 config_host_data.set('CONFIG_X11', x11.found())
2322 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2323 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2324 config_host_data.set('CONFIG_SELINUX', selinux.found())
2325 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2326 config_host_data.set('CONFIG_LIBDW', libdw.found())
2328 # protect from xen.version() having less than three components
2329 xen_version = xen.version().split('.') + ['0', '0']
2330 xen_ctrl_version = xen_version[0] + \
2331 ('0' + xen_version[1]).substring(-2) + \
2332 ('0' + xen_version[2]).substring(-2)
2333 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2335 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2336 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2337 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2338 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2340 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2341 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2343 have_coroutine_pool = get_option('coroutine_pool')
2344 if get_option('debug_stack_usage') and have_coroutine_pool
2345 message('Disabling coroutine pool to measure stack usage')
2346 have_coroutine_pool = false
2348 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2349 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2350 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2351 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2352 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2353 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2354 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2355 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2358 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2359 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2360 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2361 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2362 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2363 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2364 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2365 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2366 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2367 if host_os == 'windows'
2368 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2372 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2373 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2374 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2375 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2376 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2377 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2378 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2379 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2380 # Note that we need to specify prefix: here to avoid incorrectly
2381 # thinking that Windows has posix_memalign()
2382 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2383 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2384 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2385 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2386 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2387 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2388 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2389 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2390 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2391 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2392 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2393 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2394 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2395 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2396 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2397 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2398 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2399 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2401 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2402 cc.has_function('rbd_namespace_exists',
2404 prefix: '#include <rbd/librbd.h>'))
2407 config_host_data.set('HAVE_IBV_ADVISE_MR',
2408 cc.has_function('ibv_advise_mr',
2410 prefix: '#include <infiniband/verbs.h>'))
2413 have_asan_fiber = false
2414 if get_option('sanitizers') and \
2415 not cc.has_function('__sanitizer_start_switch_fiber',
2416 args: '-fsanitize=address',
2417 prefix: '#include <sanitizer/asan_interface.h>')
2418 warning('Missing ASAN due to missing fiber annotation interface')
2419 warning('Without code annotation, the report may be inferior.')
2421 have_asan_fiber = true
2423 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2425 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2426 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2428 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2430 inotify = cc.find_library('inotify')
2431 if have_inotify_init
2432 have_inotify_init = inotify.found()
2434 if have_inotify_init1
2435 have_inotify_init1 = inotify.found()
2438 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2439 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2442 config_host_data.set('CONFIG_BLKZONED',
2443 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2444 config_host_data.set('CONFIG_EPOLL_CREATE1',
2445 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2446 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2447 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2448 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2449 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2450 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2451 config_host_data.set('CONFIG_FIEMAP',
2452 cc.has_header('linux/fiemap.h') and
2453 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2454 config_host_data.set('CONFIG_GETRANDOM',
2455 cc.has_function('getrandom') and
2456 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2457 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2458 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2459 config_host_data.set('CONFIG_RTNETLINK',
2460 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2461 config_host_data.set('CONFIG_SYSMACROS',
2462 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2463 config_host_data.set('HAVE_OPTRESET',
2464 cc.has_header_symbol('getopt.h', 'optreset'))
2465 config_host_data.set('HAVE_IPPROTO_MPTCP',
2466 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2469 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2470 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2471 prefix: '#include <signal.h>'))
2472 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2473 cc.has_member('struct stat', 'st_atim',
2474 prefix: '#include <sys/stat.h>'))
2475 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2476 cc.has_member('struct blk_zone', 'capacity',
2477 prefix: '#include <linux/blkzoned.h>'))
2480 config_host_data.set('CONFIG_IOVEC',
2481 cc.has_type('struct iovec',
2482 prefix: '#include <sys/uio.h>'))
2483 config_host_data.set('HAVE_UTMPX',
2484 cc.has_type('struct utmpx',
2485 prefix: '#include <utmpx.h>'))
2487 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2488 #include <sys/eventfd.h>
2489 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2490 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2493 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2494 return fdatasync(0);
2496 #error Not supported
2500 has_madvise = cc.links(gnu_source_prefix + '''
2501 #include <sys/types.h>
2502 #include <sys/mman.h>
2504 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2505 missing_madvise_proto = false
2507 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2508 # but forget to prototype it. In this case, has_madvise will be true (the
2509 # test program links despite a compile warning). To detect the
2510 # missing-prototype case, we try again with a definitely-bogus prototype.
2511 # This will only compile if the system headers don't provide the prototype;
2512 # otherwise the conflicting prototypes will cause a compiler error.
2513 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2514 #include <sys/types.h>
2515 #include <sys/mman.h>
2517 extern int madvise(int);
2518 int main(void) { return madvise(0); }''')
2520 config_host_data.set('CONFIG_MADVISE', has_madvise)
2521 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2523 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2524 #include <sys/mman.h>
2525 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2526 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2528 #if !defined(AT_EMPTY_PATH)
2529 # error missing definition
2531 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2533 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2534 #include <sys/mman.h>
2536 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2538 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2539 #include <pthread.h>
2541 static void *f(void *p) { return NULL; }
2545 pthread_create(&thread, 0, f, 0);
2546 pthread_setname_np(thread, "QEMU");
2548 }''', dependencies: threads))
2549 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2550 #include <pthread.h>
2552 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2556 pthread_create(&thread, 0, f, 0);
2558 }''', dependencies: threads))
2559 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2560 #include <pthread.h>
2561 #include <pthread_np.h>
2563 static void *f(void *p) { return NULL; }
2567 pthread_create(&thread, 0, f, 0);
2568 pthread_set_name_np(thread, "QEMU");
2570 }''', dependencies: threads))
2571 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2572 #include <pthread.h>
2577 pthread_condattr_t attr
2578 pthread_condattr_init(&attr);
2579 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2581 }''', dependencies: threads))
2582 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2583 #include <pthread.h>
2585 static void *f(void *p) { return NULL; }
2588 int setsize = CPU_ALLOC_SIZE(64);
2591 pthread_create(&thread, 0, f, 0);
2592 cpuset = CPU_ALLOC(64);
2593 CPU_ZERO_S(setsize, cpuset);
2594 pthread_setaffinity_np(thread, setsize, cpuset);
2595 pthread_getaffinity_np(thread, setsize, cpuset);
2598 }''', dependencies: threads))
2599 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2600 #include <sys/signalfd.h>
2602 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2603 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2611 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2612 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2616 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2617 #include <sys/mman.h>
2619 return mlockall(MCL_FUTURE);
2623 if get_option('l2tpv3').allowed() and have_system
2624 have_l2tpv3 = cc.has_type('struct mmsghdr',
2625 prefix: gnu_source_prefix + '''
2626 #include <sys/socket.h>
2627 #include <linux/ip.h>''')
2629 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2632 if get_option('netmap').allowed() and have_system
2633 have_netmap = cc.compiles('''
2634 #include <inttypes.h>
2636 #include <net/netmap.h>
2637 #include <net/netmap_user.h>
2638 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2641 int main(void) { return 0; }''')
2642 if not have_netmap and get_option('netmap').enabled()
2643 error('Netmap headers not available')
2646 config_host_data.set('CONFIG_NETMAP', have_netmap)
2648 # Work around a system header bug with some kernel/XFS header
2649 # versions where they both try to define 'struct fsxattr':
2650 # xfs headers will not try to redefine structs from linux headers
2651 # if this macro is set.
2652 config_host_data.set('HAVE_FSXATTR', cc.links('''
2653 #include <linux/fs.h>
2659 # Some versions of Mac OS X incorrectly define SIZE_MAX
2660 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2664 return printf("%zu", SIZE_MAX);
2665 }''', args: ['-Werror']))
2667 # See if 64-bit atomic operations are supported.
2668 # Note that without __atomic builtins, we can only
2669 # assume atomic loads/stores max at pointer size.
2670 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2674 uint64_t x = 0, y = 0;
2675 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2676 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2677 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2678 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2679 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2683 has_int128_type = cc.compiles('''
2686 int main(void) { b = a; }''')
2687 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2689 has_int128 = has_int128_type and cc.links('''
2698 config_host_data.set('CONFIG_INT128', has_int128)
2701 # "do we have 128-bit atomics which are handled inline and specifically not
2702 # via libatomic". The reason we can't use libatomic is documented in the
2703 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2704 # We only care about these operations on 16-byte aligned pointers, so
2705 # force 16-byte alignment of the pointer, which may be greater than
2706 # __alignof(unsigned __int128) for the host.
2707 atomic_test_128 = '''
2708 int main(int ac, char **av) {
2709 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2710 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2711 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2712 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2715 has_atomic128 = cc.links(atomic_test_128)
2717 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2719 if not has_atomic128
2720 # Even with __builtin_assume_aligned, the above test may have failed
2721 # without optimization enabled. Try again with optimizations locally
2722 # enabled for the function. See
2723 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2724 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2725 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2727 if not has_atomic128_opt
2728 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2731 __uint128_t x = 0, y = 0;
2732 __sync_val_compare_and_swap_16(&x, y, x);
2740 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2741 #include <sys/auxv.h>
2743 return getauxval(AT_HWCAP) == 0;
2746 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2747 #include <linux/usbdevice_fs.h>
2749 #ifndef USBDEVFS_GET_CAPABILITIES
2750 #error "USBDEVFS_GET_CAPABILITIES undefined"
2753 #ifndef USBDEVFS_DISCONNECT_CLAIM
2754 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2757 int main(void) { return 0; }'''))
2759 have_keyring = get_option('keyring') \
2760 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2761 .require(cc.compiles('''
2763 #include <asm/unistd.h>
2764 #include <linux/keyctl.h>
2765 #include <sys/syscall.h>
2768 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2769 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2770 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2772 have_cpuid_h = cc.links('''
2775 unsigned a, b, c, d;
2776 unsigned max = __get_cpuid_max(0, 0);
2779 __cpuid(1, a, b, c, d);
2783 __cpuid_count(7, 0, a, b, c, d);
2788 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2790 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2791 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2792 .require(cc.links('''
2794 #include <immintrin.h>
2795 static int __attribute__((target("avx2"))) bar(void *a) {
2796 __m256i x = *(__m256i *)a;
2797 return _mm256_testz_si256(x, x);
2799 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2800 '''), error_message: 'AVX2 not available').allowed())
2802 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2803 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2804 .require(cc.links('''
2806 #include <immintrin.h>
2807 static int __attribute__((target("avx512f"))) bar(void *a) {
2808 __m512i x = *(__m512i *)a;
2809 return _mm512_test_epi64_mask(x, x);
2811 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2812 '''), error_message: 'AVX512F not available').allowed())
2814 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2815 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2816 .require(cc.links('''
2818 #include <immintrin.h>
2819 static int __attribute__((target("avx512bw"))) bar(void *a) {
2821 __m512i res= _mm512_abs_epi8(*x);
2824 int main(int argc, char *argv[]) { return bar(argv[0]); }
2825 '''), error_message: 'AVX512BW not available').allowed())
2827 # For both AArch64 and AArch32, detect if builtins are available.
2828 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2829 #include <arm_neon.h>
2830 #ifndef __ARM_FEATURE_AES
2831 __attribute__((target("+crypto")))
2833 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2836 if get_option('membarrier').disabled()
2837 have_membarrier = false
2838 elif host_os == 'windows'
2839 have_membarrier = true
2840 elif host_os == 'linux'
2841 have_membarrier = cc.compiles('''
2842 #include <linux/membarrier.h>
2843 #include <sys/syscall.h>
2847 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2848 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2852 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2853 .require(have_membarrier, error_message: 'membarrier system call not available') \
2856 have_afalg = get_option('crypto_afalg') \
2857 .require(cc.compiles(gnu_source_prefix + '''
2859 #include <sys/types.h>
2860 #include <sys/socket.h>
2861 #include <linux/if_alg.h>
2864 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2867 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2868 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2870 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2871 'linux/vm_sockets.h', 'AF_VSOCK',
2872 prefix: '#include <sys/socket.h>',
2876 have_vss_sdk = false # old xp/2003 SDK
2877 if host_os == 'windows' and 'cpp' in all_languages
2878 have_vss = cxx.compiles('''
2879 #define __MIDL_user_allocate_free_DEFINED__
2881 int main(void) { return VSS_CTX_BACKUP; }''')
2882 have_vss_sdk = cxx.has_header('vscoordint.h')
2884 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2886 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2887 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2888 if host_os == 'windows'
2889 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2895 }''', name: '_lock_file and _unlock_file'))
2898 if host_os == 'windows'
2899 mingw_has_setjmp_longjmp = cc.links('''
2903 * These functions are not available in setjmp header, but may be
2904 * available at link time, from libmingwex.a.
2906 extern int __mingw_setjmp(jmp_buf);
2907 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2909 __mingw_setjmp(env);
2910 __mingw_longjmp(env, 0);
2912 ''', name: 'mingw setjmp and longjmp')
2914 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2915 error('mingw must provide setjmp/longjmp for windows-arm64')
2919 ########################
2920 # Target configuration #
2921 ########################
2923 minikconf = find_program('scripts/minikconf.py')
2925 config_all_accel = {}
2926 config_all_devices = {}
2927 config_devices_mak_list = []
2928 config_devices_h = {}
2929 config_target_h = {}
2930 config_target_mak = {}
2933 'alpha' : ['CONFIG_ALPHA_DIS'],
2934 'avr' : ['CONFIG_AVR_DIS'],
2935 'cris' : ['CONFIG_CRIS_DIS'],
2936 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2937 'hppa' : ['CONFIG_HPPA_DIS'],
2938 'i386' : ['CONFIG_I386_DIS'],
2939 'x86_64' : ['CONFIG_I386_DIS'],
2940 'm68k' : ['CONFIG_M68K_DIS'],
2941 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2942 'mips' : ['CONFIG_MIPS_DIS'],
2943 'or1k' : ['CONFIG_OPENRISC_DIS'],
2944 'ppc' : ['CONFIG_PPC_DIS'],
2945 'riscv' : ['CONFIG_RISCV_DIS'],
2946 'rx' : ['CONFIG_RX_DIS'],
2947 's390' : ['CONFIG_S390_DIS'],
2948 'sh4' : ['CONFIG_SH4_DIS'],
2949 'sparc' : ['CONFIG_SPARC_DIS'],
2950 'xtensa' : ['CONFIG_XTENSA_DIS'],
2951 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2954 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2956 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2957 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2958 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2959 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2960 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2961 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2962 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2963 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2964 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2965 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2966 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2967 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2968 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2969 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2970 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2972 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2974 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2975 actual_target_dirs = []
2977 foreach target : target_dirs
2978 config_target = { 'TARGET_NAME': target.split('-')[0] }
2979 if target.endswith('linux-user')
2980 if host_os != 'linux'
2984 error('Target @0@ is only available on a Linux host'.format(target))
2986 config_target += { 'CONFIG_LINUX_USER': 'y' }
2987 elif target.endswith('bsd-user')
2988 if host_os not in bsd_oses
2992 error('Target @0@ is only available on a BSD host'.format(target))
2994 config_target += { 'CONFIG_BSD_USER': 'y' }
2995 elif target.endswith('softmmu')
2996 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
2997 config_target += { 'CONFIG_SOFTMMU': 'y' }
2999 if target.endswith('-user')
3001 'CONFIG_USER_ONLY': 'y',
3002 'CONFIG_QEMU_INTERP_PREFIX':
3003 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3008 foreach sym: accelerators
3009 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3010 config_target += { sym: 'y' }
3011 config_all_accel += { sym: 'y' }
3012 if target in modular_tcg
3013 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3015 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3017 accel_kconfig += [ sym + '=y' ]
3020 if accel_kconfig.length() == 0
3024 error('No accelerator available for target @0@'.format(target))
3027 actual_target_dirs += target
3028 config_target += keyval.load('configs/targets' / target + '.mak')
3029 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3031 if 'TARGET_NEED_FDT' in config_target
3032 fdt_required += target
3036 if 'TARGET_BASE_ARCH' not in config_target
3037 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3039 if 'TARGET_ABI_DIR' not in config_target
3040 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3042 if 'TARGET_BIG_ENDIAN' not in config_target
3043 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3046 foreach k, v: disassemblers
3047 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3049 config_target += { sym: 'y' }
3054 config_target_data = configuration_data()
3055 foreach k, v: config_target
3056 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3058 elif ignored.contains(k)
3060 elif k == 'TARGET_BASE_ARCH'
3061 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3062 # not used to select files from sourcesets.
3063 config_target_data.set('TARGET_' + v.to_upper(), 1)
3064 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3065 config_target_data.set_quoted(k, v)
3067 config_target_data.set(k, 1)
3069 config_target_data.set(k, 0)
3071 config_target_data.set(k, v)
3074 config_target_data.set('QEMU_ARCH',
3075 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3076 config_target_h += {target: configure_file(output: target + '-config-target.h',
3077 configuration: config_target_data)}
3079 if target.endswith('-softmmu')
3080 config_input = meson.get_external_property(target, 'default')
3081 config_devices_mak = target + '-config-devices.mak'
3082 config_devices_mak = configure_file(
3083 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3084 output: config_devices_mak,
3085 depfile: config_devices_mak + '.d',
3087 command: [minikconf,
3088 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3089 config_devices_mak, '@DEPFILE@', '@INPUT@',
3090 host_kconfig, accel_kconfig,
3091 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3093 config_devices_data = configuration_data()
3094 config_devices = keyval.load(config_devices_mak)
3095 foreach k, v: config_devices
3096 config_devices_data.set(k, 1)
3098 config_devices_mak_list += config_devices_mak
3099 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3100 configuration: config_devices_data)}
3101 config_target += config_devices
3102 config_all_devices += config_devices
3104 config_target_mak += {target: config_target}
3106 target_dirs = actual_target_dirs
3108 target_configs_h = []
3109 foreach target: target_dirs
3110 target_configs_h += config_target_h[target]
3111 target_configs_h += config_devices_h.get(target, [])
3113 genh += custom_target('config-poison.h',
3114 input: [target_configs_h],
3115 output: 'config-poison.h',
3117 command: [find_program('scripts/make-config-poison.sh'),
3124 libvfio_user_dep = not_found
3125 if have_system and vfio_user_server_allowed
3126 libvfio_user_proj = subproject('libvfio-user', required: true)
3127 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3131 fdt_opt = get_option('fdt')
3132 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3133 if fdt_opt == 'disabled'
3134 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3137 if fdt_opt in ['enabled', 'auto', 'system']
3138 if get_option('wrap_mode') == 'nodownload'
3141 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3142 if fdt.found() and cc.links('''
3144 #include <libfdt_env.h>
3145 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3148 elif fdt_opt == 'system'
3149 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3151 fdt_opt = 'internal'
3156 assert(fdt_opt == 'internal')
3157 libfdt_proj = subproject('dtc', required: true,
3158 default_options: ['tools=false', 'yaml=disabled',
3159 'python=disabled', 'default_library=static'])
3160 fdt = libfdt_proj.get_variable('libfdt_dep')
3163 fdt_opt = 'disabled'
3166 config_host_data.set('CONFIG_FDT', fdt.found())
3168 vhost_user = not_found
3169 if host_os == 'linux' and have_vhost_user
3170 libvhost_user = subproject('libvhost-user')
3171 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3174 libvduse = not_found
3176 libvduse_proj = subproject('libvduse')
3177 libvduse = libvduse_proj.get_variable('libvduse_dep')
3180 #####################
3181 # Generated sources #
3182 #####################
3184 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3186 hxtool = find_program('scripts/hxtool')
3187 shaderinclude = find_program('scripts/shaderinclude.py')
3188 qapi_gen = find_program('scripts/qapi-gen.py')
3189 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3190 meson.current_source_dir() / 'scripts/qapi/commands.py',
3191 meson.current_source_dir() / 'scripts/qapi/common.py',
3192 meson.current_source_dir() / 'scripts/qapi/error.py',
3193 meson.current_source_dir() / 'scripts/qapi/events.py',
3194 meson.current_source_dir() / 'scripts/qapi/expr.py',
3195 meson.current_source_dir() / 'scripts/qapi/gen.py',
3196 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3197 meson.current_source_dir() / 'scripts/qapi/main.py',
3198 meson.current_source_dir() / 'scripts/qapi/parser.py',
3199 meson.current_source_dir() / 'scripts/qapi/schema.py',
3200 meson.current_source_dir() / 'scripts/qapi/source.py',
3201 meson.current_source_dir() / 'scripts/qapi/types.py',
3202 meson.current_source_dir() / 'scripts/qapi/visit.py',
3203 meson.current_source_dir() / 'scripts/qapi-gen.py'
3207 python, files('scripts/tracetool.py'),
3208 '--backend=' + ','.join(get_option('trace_backends'))
3210 tracetool_depends = files(
3211 'scripts/tracetool/backend/log.py',
3212 'scripts/tracetool/backend/__init__.py',
3213 'scripts/tracetool/backend/dtrace.py',
3214 'scripts/tracetool/backend/ftrace.py',
3215 'scripts/tracetool/backend/simple.py',
3216 'scripts/tracetool/backend/syslog.py',
3217 'scripts/tracetool/backend/ust.py',
3218 'scripts/tracetool/format/ust_events_c.py',
3219 'scripts/tracetool/format/ust_events_h.py',
3220 'scripts/tracetool/format/__init__.py',
3221 'scripts/tracetool/format/d.py',
3222 'scripts/tracetool/format/simpletrace_stap.py',
3223 'scripts/tracetool/format/c.py',
3224 'scripts/tracetool/format/h.py',
3225 'scripts/tracetool/format/log_stap.py',
3226 'scripts/tracetool/format/stap.py',
3227 'scripts/tracetool/__init__.py',
3228 'scripts/tracetool/vcpu.py'
3231 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3232 meson.current_source_dir(),
3233 get_option('pkgversion'), meson.project_version()]
3234 qemu_version = custom_target('qemu-version.h',
3235 output: 'qemu-version.h',
3236 command: qemu_version_cmd,
3238 build_by_default: true,
3239 build_always_stale: true)
3240 genh += qemu_version
3244 ['qemu-options.hx', 'qemu-options.def'],
3245 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3249 ['hmp-commands.hx', 'hmp-commands.h'],
3250 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3253 foreach d : hx_headers
3254 hxdep += custom_target(d[1],
3258 command: [hxtool, '-h', '@INPUT0@'])
3266 # TODO: add each directory to the subdirs from its own meson.build, once
3268 trace_events_subdirs = [
3277 trace_events_subdirs += [ 'linux-user' ]
3280 trace_events_subdirs += [ 'bsd-user' ]
3283 trace_events_subdirs += [
3292 trace_events_subdirs += [
3355 if have_system or have_user
3356 trace_events_subdirs += [
3378 authz_ss = ss.source_set()
3379 blockdev_ss = ss.source_set()
3380 block_ss = ss.source_set()
3381 chardev_ss = ss.source_set()
3382 common_ss = ss.source_set()
3383 crypto_ss = ss.source_set()
3384 hwcore_ss = ss.source_set()
3385 io_ss = ss.source_set()
3386 qmp_ss = ss.source_set()
3387 qom_ss = ss.source_set()
3388 system_ss = ss.source_set()
3389 specific_fuzz_ss = ss.source_set()
3390 specific_ss = ss.source_set()
3391 stub_ss = ss.source_set()
3392 trace_ss = ss.source_set()
3393 user_ss = ss.source_set()
3394 util_ss = ss.source_set()
3397 qtest_module_ss = ss.source_set()
3398 tcg_module_ss = ss.source_set()
3404 target_system_arch = {}
3405 target_user_arch = {}
3407 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3408 # that is filled in by qapi/.
3426 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3427 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3430 qom_ss = qom_ss.apply({})
3431 libqom = static_library('qom', qom_ss.sources() + genh,
3432 dependencies: [qom_ss.dependencies()],
3434 build_by_default: false)
3435 qom = declare_dependency(link_whole: libqom)
3437 event_loop_base = files('event-loop-base.c')
3438 event_loop_base = static_library('event-loop-base',
3439 sources: event_loop_base + genh,
3441 build_by_default: false)
3442 event_loop_base = declare_dependency(link_whole: event_loop_base,
3443 dependencies: [qom])
3445 stub_ss = stub_ss.apply({})
3447 util_ss.add_all(trace_ss)
3448 util_ss = util_ss.apply({})
3449 libqemuutil = static_library('qemuutil',
3450 build_by_default: false,
3451 sources: util_ss.sources() + stub_ss.sources() + genh,
3452 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3453 qemuutil = declare_dependency(link_with: libqemuutil,
3454 sources: genh + version_res,
3455 dependencies: [event_loop_base])
3457 if have_system or have_user
3458 decodetree = generator(find_program('scripts/decodetree.py'),
3459 output: 'decode-@BASENAME@.c.inc',
3460 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3461 subdir('libdecnumber')
3478 if config_host_data.get('CONFIG_REPLICATION')
3479 block_ss.add(files('replication.c'))
3486 blockdev_ss.add(files(
3493 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3494 # os-win32.c does not
3495 if host_os == 'windows'
3496 system_ss.add(files('os-win32.c'))
3498 blockdev_ss.add(files('os-posix.c'))
3502 common_ss.add(files('cpu-common.c'))
3503 specific_ss.add(files('cpu-target.c'))
3507 # Work around a gcc bug/misfeature wherein constant propagation looks
3509 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3510 # to guess that a const variable is always zero. Without lto, this is
3511 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3512 # without lto, not even the alias is required -- we simply use different
3513 # declarations in different compilation units.
3514 pagevary = files('page-vary-common.c')
3515 if get_option('b_lto')
3516 pagevary_flags = ['-fno-lto']
3517 if get_option('cfi')
3518 pagevary_flags += '-fno-sanitize=cfi-icall'
3520 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3521 c_args: pagevary_flags)
3522 pagevary = declare_dependency(link_with: pagevary)
3524 common_ss.add(pagevary)
3525 specific_ss.add(files('page-vary-target.c'))
3533 subdir('semihosting')
3541 common_user_inc = []
3543 subdir('common-user')
3545 subdir('linux-user')
3547 # needed for fuzzing binaries
3548 subdir('tests/qtest/libqos')
3549 subdir('tests/qtest/fuzz')
3552 tcg_real_module_ss = ss.source_set()
3553 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3554 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3555 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3556 'tcg': tcg_real_module_ss }}
3558 ##############################################
3559 # Internal static_libraries and dependencies #
3560 ##############################################
3562 modinfo_collect = find_program('scripts/modinfo-collect.py')
3563 modinfo_generate = find_program('scripts/modinfo-generate.py')
3568 foreach d, list : modules
3569 if not (d == 'block' ? have_block : have_system)
3573 foreach m, module_ss : list
3575 module_ss = module_ss.apply(config_all_devices, strict: false)
3576 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3577 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3583 if module_ss.sources() != []
3584 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3585 # input. Sources can be used multiple times but objects are
3586 # unique when it comes to lookup in compile_commands.json.
3587 # Depnds on a mesion version with
3588 # https://github.com/mesonbuild/meson/pull/8900
3589 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3590 output: d + '-' + m + '.modinfo',
3591 input: module_ss.sources() + genh,
3593 command: [modinfo_collect, module_ss.sources()])
3597 block_ss.add_all(module_ss)
3599 system_ss.add_all(module_ss)
3605 foreach d, list : target_modules
3606 foreach m, module_ss : list
3608 foreach target : target_dirs
3609 if target.endswith('-softmmu')
3610 config_target = config_target_mak[target]
3611 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3612 c_args = ['-DNEED_CPU_H',
3613 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3614 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3615 target_module_ss = module_ss.apply(config_target, strict: false)
3616 if target_module_ss.sources() != []
3617 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3618 sl = static_library(module_name,
3619 [genh, target_module_ss.sources()],
3620 dependencies: [modulecommon, target_module_ss.dependencies()],
3621 include_directories: target_inc,
3625 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3626 modinfo_files += custom_target(module_name + '.modinfo',
3627 output: module_name + '.modinfo',
3628 input: target_module_ss.sources() + genh,
3630 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3635 specific_ss.add_all(module_ss)
3641 foreach target : target_dirs
3642 if target.endswith('-softmmu')
3643 config_target = config_target_mak[target]
3644 config_devices_mak = target + '-config-devices.mak'
3645 modinfo_src = custom_target('modinfo-' + target + '.c',
3646 output: 'modinfo-' + target + '.c',
3647 input: modinfo_files,
3648 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3651 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3652 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3654 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3655 hw_arch[arch].add(modinfo_dep)
3660 nm = find_program('nm')
3661 undefsym = find_program('scripts/undefsym.py')
3662 block_syms = custom_target('block.syms', output: 'block.syms',
3663 input: [libqemuutil, block_mods],
3665 command: [undefsym, nm, '@INPUT@'])
3666 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3667 input: [libqemuutil, system_mods],
3669 command: [undefsym, nm, '@INPUT@'])
3671 authz_ss = authz_ss.apply({})
3672 libauthz = static_library('authz', authz_ss.sources() + genh,
3673 dependencies: [authz_ss.dependencies()],
3675 build_by_default: false)
3677 authz = declare_dependency(link_whole: libauthz,
3680 crypto_ss = crypto_ss.apply({})
3681 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3682 dependencies: [crypto_ss.dependencies()],
3684 build_by_default: false)
3686 crypto = declare_dependency(link_whole: libcrypto,
3687 dependencies: [authz, qom])
3689 io_ss = io_ss.apply({})
3690 libio = static_library('io', io_ss.sources() + genh,
3691 dependencies: [io_ss.dependencies()],
3692 link_with: libqemuutil,
3694 build_by_default: false)
3696 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3698 libmigration = static_library('migration', sources: migration_files + genh,
3700 build_by_default: false)
3701 migration = declare_dependency(link_with: libmigration,
3702 dependencies: [zlib, qom, io])
3703 system_ss.add(migration)
3705 block_ss = block_ss.apply({})
3706 libblock = static_library('block', block_ss.sources() + genh,
3707 dependencies: block_ss.dependencies(),
3708 link_depends: block_syms,
3710 build_by_default: false)
3712 block = declare_dependency(link_whole: [libblock],
3713 link_args: '@block.syms',
3714 dependencies: [crypto, io])
3716 blockdev_ss = blockdev_ss.apply({})
3717 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3718 dependencies: blockdev_ss.dependencies(),
3720 build_by_default: false)
3722 blockdev = declare_dependency(link_whole: [libblockdev],
3723 dependencies: [block, event_loop_base])
3725 qmp_ss = qmp_ss.apply({})
3726 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3727 dependencies: qmp_ss.dependencies(),
3729 build_by_default: false)
3731 qmp = declare_dependency(link_whole: [libqmp])
3733 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3735 dependencies: chardev_ss.dependencies(),
3736 build_by_default: false)
3738 chardev = declare_dependency(link_whole: libchardev)
3740 hwcore_ss = hwcore_ss.apply({})
3741 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3743 build_by_default: false)
3744 hwcore = declare_dependency(link_whole: libhwcore)
3745 common_ss.add(hwcore)
3751 emulator_modules = []
3752 foreach m : block_mods + system_mods
3753 emulator_modules += shared_module(m.name(),
3754 build_by_default: true,
3758 install_dir: qemu_moddir)
3760 if emulator_modules.length() > 0
3761 alias_target('modules', emulator_modules)
3764 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3765 common_ss.add(qom, qemuutil)
3767 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3768 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3770 # Note that this library is never used directly (only through extract_objects)
3771 # and is not built by default; therefore, source files not used by the build
3772 # configuration will be in build.ninja, but are never built by default.
3773 common_all = static_library('common',
3774 build_by_default: false,
3775 sources: common_ss.all_sources() + genh,
3776 include_directories: common_user_inc,
3777 implicit_include_directories: false,
3778 dependencies: common_ss.all_dependencies(),
3781 feature_to_c = find_program('scripts/feature_to_c.py')
3783 if host_os == 'darwin'
3784 entitlement = find_program('scripts/entitlement.sh')
3789 foreach target : target_dirs
3790 config_target = config_target_mak[target]
3791 target_name = config_target['TARGET_NAME']
3792 target_base_arch = config_target['TARGET_BASE_ARCH']
3793 arch_srcs = [config_target_h[target]]
3795 c_args = ['-DNEED_CPU_H',
3796 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3797 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3798 link_args = emulator_link_args
3800 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3801 if host_os == 'linux'
3802 target_inc += include_directories('linux-headers', is_system: true)
3804 if target.endswith('-softmmu')
3805 target_type='system'
3806 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3807 arch_srcs += t.sources()
3808 arch_deps += t.dependencies()
3810 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3811 if hw_arch.has_key(hw_dir)
3812 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3813 arch_srcs += hw.sources()
3814 arch_deps += hw.dependencies()
3817 arch_srcs += config_devices_h[target]
3818 link_args += ['@block.syms', '@qemu.syms']
3820 abi = config_target['TARGET_ABI_DIR']
3822 target_inc += common_user_inc
3823 if target_base_arch in target_user_arch
3824 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3825 arch_srcs += t.sources()
3826 arch_deps += t.dependencies()
3828 if 'CONFIG_LINUX_USER' in config_target
3829 base_dir = 'linux-user'
3831 if 'CONFIG_BSD_USER' in config_target
3832 base_dir = 'bsd-user'
3833 target_inc += include_directories('bsd-user/' / host_os)
3834 target_inc += include_directories('bsd-user/host/' / host_arch)
3835 dir = base_dir / abi
3836 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3838 target_inc += include_directories(
3842 if 'CONFIG_LINUX_USER' in config_target
3843 dir = base_dir / abi
3844 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3845 if config_target.has_key('TARGET_SYSTBL_ABI')
3847 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3848 extra_args : config_target['TARGET_SYSTBL_ABI'])
3853 if 'TARGET_XML_FILES' in config_target
3854 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3855 output: target + '-gdbstub-xml.c',
3856 input: files(config_target['TARGET_XML_FILES'].split()),
3857 command: [feature_to_c, '@INPUT@'],
3859 arch_srcs += gdbstub_xml
3862 t = target_arch[target_base_arch].apply(config_target, strict: false)
3863 arch_srcs += t.sources()
3864 arch_deps += t.dependencies()
3866 target_common = common_ss.apply(config_target, strict: false)
3867 objects = common_all.extract_objects(target_common.sources())
3868 deps = target_common.dependencies()
3870 target_specific = specific_ss.apply(config_target, strict: false)
3871 arch_srcs += target_specific.sources()
3872 arch_deps += target_specific.dependencies()
3874 lib = static_library('qemu-' + target,
3875 sources: arch_srcs + genh,
3876 dependencies: arch_deps,
3878 include_directories: target_inc,
3880 build_by_default: false,
3883 if target.endswith('-softmmu')
3885 'name': 'qemu-system-' + target_name,
3886 'win_subsystem': 'console',
3887 'sources': files('system/main.c'),
3890 if host_os == 'windows' and (sdl.found() or gtk.found())
3892 'name': 'qemu-system-' + target_name + 'w',
3893 'win_subsystem': 'windows',
3894 'sources': files('system/main.c'),
3898 if get_option('fuzzing')
3899 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3901 'name': 'qemu-fuzz-' + target_name,
3902 'win_subsystem': 'console',
3903 'sources': specific_fuzz.sources(),
3904 'dependencies': specific_fuzz.dependencies(),
3909 'name': 'qemu-' + target_name,
3910 'win_subsystem': 'console',
3916 exe_name = exe['name']
3917 if host_os == 'darwin'
3918 exe_name += '-unsigned'
3921 emulator = executable(exe_name, exe['sources'],
3924 dependencies: arch_deps + deps + exe['dependencies'],
3925 objects: lib.extract_all_objects(recursive: true),
3926 link_depends: [block_syms, qemu_syms],
3927 link_args: link_args,
3928 win_subsystem: exe['win_subsystem'])
3930 if host_os == 'darwin'
3931 icon = 'pc-bios/qemu.rsrc'
3932 build_input = [emulator, files(icon)]
3934 get_option('bindir') / exe_name,
3935 meson.current_source_dir() / icon
3937 if 'CONFIG_HVF' in config_target
3938 entitlements = 'accel/hvf/entitlements.plist'
3939 build_input += files(entitlements)
3940 install_input += meson.current_source_dir() / entitlements
3943 emulators += {exe['name'] : custom_target(exe['name'],
3945 output: exe['name'],
3946 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3949 meson.add_install_script(entitlement, '--install',
3950 get_option('bindir') / exe['name'],
3953 emulators += {exe['name']: emulator}
3958 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
3964 # Other build targets
3966 if get_option('plugins')
3967 install_headers('include/qemu/qemu-plugin.h')
3968 if host_os == 'windows'
3969 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3970 # so that plugin authors can compile against it.
3971 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3977 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3978 # when we don't build tools or system
3979 if xkbcommon.found()
3980 # used for the update-keymaps target, so include rules even if !have_tools
3981 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3982 dependencies: [qemuutil, xkbcommon], install: have_tools)
3986 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3987 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3988 qemu_io = executable('qemu-io', files('qemu-io.c'),
3989 dependencies: [block, qemuutil], install: true)
3990 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3991 dependencies: [blockdev, qemuutil, gnutls, selinux],
3994 subdir('storage-daemon')
3996 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
3999 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4003 subdir('contrib/elf2dmp')
4005 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4006 dependencies: qemuutil,
4010 subdir('contrib/vhost-user-blk')
4011 subdir('contrib/vhost-user-gpu')
4012 subdir('contrib/vhost-user-input')
4013 subdir('contrib/vhost-user-scsi')
4016 if host_os == 'linux'
4017 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4018 dependencies: [qemuutil, libcap_ng],
4020 install_dir: get_option('libexecdir'))
4022 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4023 dependencies: [authz, crypto, io, qom, qemuutil,
4024 libcap_ng, mpathpersist],
4029 subdir('contrib/ivshmem-client')
4030 subdir('contrib/ivshmem-server')
4035 foreach t: traceable
4037 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4038 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4039 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4040 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4043 tracetool, '--group=all', '--format=' + stp['fmt'],
4044 '--binary=' + stp['bin'],
4045 '--probe-prefix=' + t['probe-prefix'],
4046 '@INPUT@', '@OUTPUT@'
4049 custom_target(t['exe'] + stp['ext'],
4050 input: trace_events_all,
4051 output: t['exe'] + stp['ext'],
4052 install: stp['install'],
4053 install_dir: get_option('datadir') / 'systemtap/tapset',
4055 depend_files: tracetool_depends)
4069 if host_machine.system() == 'windows'
4071 find_program('scripts/nsis.py'),
4073 get_option('prefix'),
4074 meson.current_source_dir(),
4075 glib_pc.get_variable('bindir'),
4078 '-DDISPLAYVERSION=' + meson.project_version(),
4081 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4084 nsis_cmd += '-DCONFIG_GTK=y'
4087 nsis = custom_target('nsis',
4088 output: 'qemu-setup-' + meson.project_version() + '.exe',
4089 input: files('qemu.nsi'),
4090 build_always_stale: true,
4091 command: nsis_cmd + ['@INPUT@'])
4092 alias_target('installer', nsis)
4095 #########################
4096 # Configuration summary #
4097 #########################
4101 summary_info += {'Build directory': meson.current_build_dir()}
4102 summary_info += {'Source path': meson.current_source_dir()}
4103 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4104 summary(summary_info, bool_yn: true, section: 'Build environment')
4107 summary_info += {'Install prefix': get_option('prefix')}
4108 summary_info += {'BIOS directory': qemu_datadir}
4109 pathsep = host_os == 'windows' ? ';' : ':'
4110 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4111 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4112 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4113 summary_info += {'module directory': qemu_moddir}
4114 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4115 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4116 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4117 if host_os != 'windows'
4118 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4119 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4121 summary_info += {'local state directory': 'queried at runtime'}
4123 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4124 summary(summary_info, bool_yn: true, section: 'Directories')
4128 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4129 summary_info += {'sphinx-build': sphinx_build}
4131 # FIXME: the [binaries] section of machine files, which can be probed
4132 # with find_program(), would be great for passing gdb and genisoimage
4133 # paths from configure to Meson. However, there seems to be no way to
4134 # hide a program (for example if gdb is too old).
4135 if config_host.has_key('GDB')
4136 summary_info += {'gdb': config_host['GDB']}
4138 summary_info += {'iasl': iasl}
4139 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4140 if host_os == 'windows' and have_ga
4141 summary_info += {'wixl': wixl}
4143 if slirp.found() and have_system
4144 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4146 summary(summary_info, bool_yn: true, section: 'Host binaries')
4148 # Configurable features
4150 summary_info += {'Documentation': build_docs}
4151 summary_info += {'system-mode emulation': have_system}
4152 summary_info += {'user-mode emulation': have_user}
4153 summary_info += {'block layer': have_block}
4154 summary_info += {'Install blobs': get_option('install_blobs')}
4155 summary_info += {'module support': enable_modules}
4157 summary_info += {'alternative module path': get_option('module_upgrades')}
4159 summary_info += {'fuzzing support': get_option('fuzzing')}
4161 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4163 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4164 if 'simple' in get_option('trace_backends')
4165 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4167 summary_info += {'D-Bus display': dbus_display}
4168 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4169 summary_info += {'Relocatable install': get_option('relocatable')}
4170 summary_info += {'vhost-kernel support': have_vhost_kernel}
4171 summary_info += {'vhost-net support': have_vhost_net}
4172 summary_info += {'vhost-user support': have_vhost_user}
4173 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4174 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4175 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4176 summary_info += {'build guest agent': have_ga}
4177 summary(summary_info, bool_yn: true, section: 'Configurable features')
4179 # Compilation information
4181 summary_info += {'host CPU': cpu}
4182 summary_info += {'host endianness': build_machine.endian()}
4183 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4184 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4185 if 'cpp' in all_languages
4186 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4188 summary_info += {'C++ compiler': false}
4190 if 'objc' in all_languages
4191 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4193 summary_info += {'Objective-C compiler': false}
4195 option_cflags = (get_option('debug') ? ['-g'] : [])
4196 if get_option('optimization') != 'plain'
4197 option_cflags += ['-O' + get_option('optimization')]
4199 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4200 if 'cpp' in all_languages
4201 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4203 if 'objc' in all_languages
4204 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4206 link_args = get_option('c_link_args')
4207 if link_args.length() > 0
4208 summary_info += {'LDFLAGS': ' '.join(link_args)}
4210 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4211 if 'cpp' in all_languages
4212 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4214 if 'objc' in all_languages
4215 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4217 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4218 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4219 summary_info += {'PIE': get_option('b_pie')}
4220 summary_info += {'static build': get_option('prefer_static')}
4221 summary_info += {'malloc trim support': has_malloc_trim}
4222 summary_info += {'membarrier': have_membarrier}
4223 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4224 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4225 summary_info += {'mutex debugging': get_option('debug_mutex')}
4226 summary_info += {'memory allocator': get_option('malloc')}
4227 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4228 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4229 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4230 summary_info += {'gcov': get_option('b_coverage')}
4231 summary_info += {'thread sanitizer': get_option('tsan')}
4232 summary_info += {'CFI support': get_option('cfi')}
4233 if get_option('cfi')
4234 summary_info += {'CFI debug support': get_option('cfi_debug')}
4236 summary_info += {'strip binaries': get_option('strip')}
4237 summary_info += {'sparse': sparse}
4238 summary_info += {'mingw32 support': host_os == 'windows'}
4239 summary(summary_info, bool_yn: true, section: 'Compilation')
4241 # snarf the cross-compilation information for tests
4244 foreach target: target_dirs
4245 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4246 if fs.exists(tcg_mak)
4247 config_cross_tcg = keyval.load(tcg_mak)
4248 if 'CC' in config_cross_tcg
4249 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4255 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4258 # Targets and accelerators
4261 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4262 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4263 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4264 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4265 summary_info += {'Xen support': xen.found()}
4267 summary_info += {'xen ctrl version': xen.version()}
4269 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4271 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4272 if config_all_accel.has_key('CONFIG_TCG')
4273 if get_option('tcg_interpreter')
4274 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4276 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4278 summary_info += {'TCG plugins': get_option('plugins')}
4279 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4281 summary_info += {'target list': ' '.join(target_dirs)}
4283 summary_info += {'default devices': get_option('default_devices')}
4284 summary_info += {'out of process emulation': multiprocess_allowed}
4285 summary_info += {'vfio-user server': vfio_user_server_allowed}
4287 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4291 summary_info += {'coroutine backend': coroutine_backend}
4292 summary_info += {'coroutine pool': have_coroutine_pool}
4294 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4295 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4296 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4297 summary_info += {'VirtFS (9P) support': have_virtfs}
4298 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4299 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4300 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4301 summary_info += {'bochs support': get_option('bochs').allowed()}
4302 summary_info += {'cloop support': get_option('cloop').allowed()}
4303 summary_info += {'dmg support': get_option('dmg').allowed()}
4304 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4305 summary_info += {'vdi support': get_option('vdi').allowed()}
4306 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4307 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4308 summary_info += {'vpc support': get_option('vpc').allowed()}
4309 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4310 summary_info += {'qed support': get_option('qed').allowed()}
4311 summary_info += {'parallels support': get_option('parallels').allowed()}
4312 summary_info += {'FUSE exports': fuse}
4313 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4315 summary(summary_info, bool_yn: true, section: 'Block layer support')
4319 summary_info += {'TLS priority': get_option('tls_priority')}
4320 summary_info += {'GNUTLS support': gnutls}
4322 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4324 summary_info += {'libgcrypt': gcrypt}
4325 summary_info += {'nettle': nettle}
4327 summary_info += {' XTS': xts != 'private'}
4329 summary_info += {'SM4 ALG support': crypto_sm4}
4330 summary_info += {'AF_ALG support': have_afalg}
4331 summary_info += {'rng-none': get_option('rng_none')}
4332 summary_info += {'Linux keyring': have_keyring}
4333 summary_info += {'Linux keyutils': keyutils}
4334 summary(summary_info, bool_yn: true, section: 'Crypto')
4338 if host_os == 'darwin'
4339 summary_info += {'Cocoa support': cocoa}
4341 summary_info += {'SDL support': sdl}
4342 summary_info += {'SDL image support': sdl_image}
4343 summary_info += {'GTK support': gtk}
4344 summary_info += {'pixman': pixman}
4345 summary_info += {'VTE support': vte}
4346 summary_info += {'PNG support': png}
4347 summary_info += {'VNC support': vnc}
4349 summary_info += {'VNC SASL support': sasl}
4350 summary_info += {'VNC JPEG support': jpeg}
4352 summary_info += {'spice protocol support': spice_protocol}
4353 if spice_protocol.found()
4354 summary_info += {' spice server support': spice}
4356 summary_info += {'curses support': curses}
4357 summary_info += {'brlapi support': brlapi}
4358 summary(summary_info, bool_yn: true, section: 'User interface')
4362 summary_info += {'VirGL support': virgl}
4363 summary_info += {'Rutabaga support': rutabaga}
4364 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4368 if host_os not in ['darwin', 'haiku', 'windows']
4369 summary_info += {'OSS support': oss}
4370 summary_info += {'sndio support': sndio}
4371 elif host_os == 'darwin'
4372 summary_info += {'CoreAudio support': coreaudio}
4373 elif host_os == 'windows'
4374 summary_info += {'DirectSound support': dsound}
4376 if host_os == 'linux'
4377 summary_info += {'ALSA support': alsa}
4378 summary_info += {'PulseAudio support': pulse}
4380 summary_info += {'PipeWire support': pipewire}
4381 summary_info += {'JACK support': jack}
4382 summary(summary_info, bool_yn: true, section: 'Audio backends')
4386 if host_os == 'darwin'
4387 summary_info += {'vmnet.framework support': vmnet}
4389 summary_info += {'AF_XDP support': libxdp}
4390 summary_info += {'slirp support': slirp}
4391 summary_info += {'vde support': vde}
4392 summary_info += {'netmap support': have_netmap}
4393 summary_info += {'l2tpv3 support': have_l2tpv3}
4394 summary(summary_info, bool_yn: true, section: 'Network backends')
4398 summary_info += {'libtasn1': tasn1}
4399 summary_info += {'PAM': pam}
4400 summary_info += {'iconv support': iconv}
4401 summary_info += {'blkio support': blkio}
4402 summary_info += {'curl support': curl}
4403 summary_info += {'Multipath support': mpathpersist}
4404 summary_info += {'Linux AIO support': libaio}
4405 summary_info += {'Linux io_uring support': linux_io_uring}
4406 summary_info += {'ATTR/XATTR support': libattr}
4407 summary_info += {'RDMA support': rdma}
4408 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4409 summary_info += {'libcap-ng support': libcap_ng}
4410 summary_info += {'bpf support': libbpf}
4411 summary_info += {'rbd support': rbd}
4412 summary_info += {'smartcard support': cacard}
4413 summary_info += {'U2F support': u2f}
4414 summary_info += {'libusb': libusb}
4415 summary_info += {'usb net redir': usbredir}
4416 summary_info += {'OpenGL support (epoxy)': opengl}
4417 summary_info += {'GBM': gbm}
4418 summary_info += {'libiscsi support': libiscsi}
4419 summary_info += {'libnfs support': libnfs}
4420 if host_os == 'windows'
4422 summary_info += {'QGA VSS support': have_qga_vss}
4425 summary_info += {'seccomp support': seccomp}
4426 summary_info += {'GlusterFS support': glusterfs}
4427 summary_info += {'hv-balloon support': hv_balloon}
4428 summary_info += {'TPM support': have_tpm}
4429 summary_info += {'libssh support': libssh}
4430 summary_info += {'lzo support': lzo}
4431 summary_info += {'snappy support': snappy}
4432 summary_info += {'bzip2 support': libbzip2}
4433 summary_info += {'lzfse support': liblzfse}
4434 summary_info += {'zstd support': zstd}
4435 summary_info += {'NUMA host support': numa}
4436 summary_info += {'capstone': capstone}
4437 summary_info += {'libpmem support': libpmem}
4438 summary_info += {'libdaxctl support': libdaxctl}
4439 summary_info += {'libudev': libudev}
4440 # Dummy dependency, keep .found()
4441 summary_info += {'FUSE lseek': fuse_lseek.found()}
4442 summary_info += {'selinux': selinux}
4443 summary_info += {'libdw': libdw}
4444 if host_os == 'freebsd'
4445 summary_info += {'libinotify-kqueue': inotify}
4447 summary(summary_info, bool_yn: true, section: 'Dependencies')
4449 if host_arch == 'unknown'
4451 warning('UNSUPPORTED HOST CPU')
4453 message('Support for CPU host architecture ' + cpu + ' is not currently')
4454 message('maintained. The QEMU project does not guarantee that QEMU will')
4455 message('compile or work on this host CPU. You can help by volunteering')
4456 message('to maintain it and providing a build host for our continuous')
4457 message('integration setup.')
4458 if get_option('tcg').allowed() and target_dirs.length() > 0
4460 message('configure has succeeded and you can continue to build, but')
4461 message('QEMU will use a slow interpreter to emulate the target CPU.')
4465 if not supported_oses.contains(host_os)
4467 warning('UNSUPPORTED HOST OS')
4469 message('Support for host OS ' + host_os + 'is not currently maintained.')
4470 message('configure has succeeded and you can continue to build, but')
4471 message('the QEMU project does not guarantee that QEMU will compile or')
4472 message('work on this operating system. You can help by volunteering')
4473 message('to maintain it and providing a build host for our continuous')
4474 message('integration setup. This will ensure that future versions of QEMU')
4475 message('will keep working on ' + host_os + '.')
4478 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4480 message('If you want to help supporting QEMU on this platform, please')
4481 message('contact the developers at qemu-devel@nongnu.org.')
4484 actually_reloc = get_option('relocatable')
4485 # check if get_relocated_path() is actually able to relocate paths
4486 if get_option('relocatable') and \
4487 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4489 warning('bindir not included within prefix, the installation will not be relocatable.')
4490 actually_reloc = false
4492 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4493 if host_os == 'windows'
4495 warning('Windows installs should usually be relocatable.')
4498 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4499 message('Use --disable-relocatable to remove this warning.')