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 = '>=2.66.0'
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 glib = declare_dependency(dependencies: [glib_pc, gmodule],
914 compile_args: glib_cflags,
915 version: glib_pc.version())
917 # Check whether glib has gslice, which we have to avoid for correctness.
918 # TODO: remove this check and the corresponding workaround (qtree) when
919 # the minimum supported glib is >= 2.75.3
920 glib_has_gslice = glib.version().version_compare('<2.75.3')
922 # override glib dep to include the above refinements
923 meson.override_dependency('glib-2.0', glib)
925 # The path to glib.h is added to all compilation commands.
926 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
927 native: false, language: all_languages)
930 gdbus_codegen = not_found
931 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
932 if not get_option('gio').auto() or have_system
933 gio = dependency('gio-2.0', required: get_option('gio'),
934 method: 'pkg-config')
935 if gio.found() and not cc.links('''
939 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
941 }''', dependencies: [glib, gio])
942 if get_option('gio').enabled()
943 error('The installed libgio is broken for static linking')
948 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
949 required: get_option('gio'))
950 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
951 method: 'pkg-config')
952 gio = declare_dependency(dependencies: [gio, gio_unix],
953 version: gio.version())
956 if gdbus_codegen.found() and get_option('cfi')
957 gdbus_codegen = not_found
958 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
961 xml_pp = find_program('scripts/xml-preprocess.py')
964 if 'ust' in get_option('trace_backends')
965 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
966 method: 'pkg-config')
969 if not get_option('pixman').auto() or have_system or have_tools
970 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
971 method: 'pkg-config')
974 zlib = dependency('zlib', required: true)
977 if not get_option('linux_aio').auto() or have_block
978 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
979 required: get_option('linux_aio'))
982 linux_io_uring_test = '''
983 #include <liburing.h>
984 #include <linux/errqueue.h>
986 int main(void) { return 0; }'''
988 linux_io_uring = not_found
989 if not get_option('linux_io_uring').auto() or have_block
990 linux_io_uring = dependency('liburing', version: '>=0.3',
991 required: get_option('linux_io_uring'),
992 method: 'pkg-config')
993 if not cc.links(linux_io_uring_test)
994 linux_io_uring = not_found
999 if not get_option('libnfs').auto() or have_block
1000 libnfs = dependency('libnfs', version: '>=1.9.3',
1001 required: get_option('libnfs'),
1002 method: 'pkg-config')
1007 #include <sys/types.h>
1008 #ifdef CONFIG_LIBATTR
1009 #include <attr/xattr.h>
1011 #include <sys/xattr.h>
1013 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1016 have_old_libattr = false
1017 if get_option('attr').allowed()
1018 if cc.links(libattr_test)
1019 libattr = declare_dependency()
1021 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1022 required: get_option('attr'))
1023 if libattr.found() and not \
1024 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1026 if get_option('attr').enabled()
1027 error('could not link libattr')
1029 warning('could not link libattr, disabling')
1032 have_old_libattr = libattr.found()
1037 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1038 required: get_option('cocoa'))
1040 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1041 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1042 'VMNET_BRIDGED_MODE',
1043 dependencies: vmnet)
1045 if get_option('vmnet').enabled()
1046 error('vmnet.framework API is outdated')
1048 warning('vmnet.framework API is outdated, disabling')
1053 seccomp_has_sysrawrc = false
1054 if not get_option('seccomp').auto() or have_system or have_tools
1055 seccomp = dependency('libseccomp', version: '>=2.3.0',
1056 required: get_option('seccomp'),
1057 method: 'pkg-config')
1059 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1060 'SCMP_FLTATR_API_SYSRAWRC',
1061 dependencies: seccomp)
1065 libcap_ng = not_found
1066 if not get_option('cap_ng').auto() or have_system or have_tools
1067 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1068 required: get_option('cap_ng'))
1070 if libcap_ng.found() and not cc.links('''
1074 capng_capability_to_name(CAPNG_EFFECTIVE);
1076 }''', dependencies: libcap_ng)
1077 libcap_ng = not_found
1078 if get_option('cap_ng').enabled()
1079 error('could not link libcap-ng')
1081 warning('could not link libcap-ng, disabling')
1085 if get_option('xkbcommon').auto() and not have_system and not have_tools
1086 xkbcommon = not_found
1088 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1089 method: 'pkg-config')
1093 if not get_option('slirp').auto() or have_system
1094 slirp = dependency('slirp', required: get_option('slirp'),
1095 method: 'pkg-config')
1096 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1097 # it passes function pointers within libslirp as callbacks for timers.
1098 # When using a system-wide shared libslirp, the type information for the
1099 # callback is missing and the timer call produces a false positive with CFI.
1100 # Do not use the "version" keyword argument to produce a better error.
1101 # with control-flow integrity.
1102 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1103 if get_option('slirp').enabled()
1104 error('Control-Flow Integrity requires libslirp 4.7.')
1106 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1113 if not get_option('vde').auto() or have_system or have_tools
1114 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1115 required: get_option('vde'))
1117 if vde.found() and not cc.links('''
1118 #include <libvdeplug.h>
1121 struct vde_open_args a = {0, 0, 0};
1125 }''', dependencies: vde)
1127 if get_option('cap_ng').enabled()
1128 error('could not link libvdeplug')
1130 warning('could not link libvdeplug, disabling')
1135 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1136 pulse = dependency('libpulse', required: get_option('pa'),
1137 method: 'pkg-config')
1140 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1141 alsa = dependency('alsa', required: get_option('alsa'),
1142 method: 'pkg-config')
1145 if not get_option('jack').auto() or have_system
1146 jack = dependency('jack', required: get_option('jack'),
1147 method: 'pkg-config')
1149 pipewire = not_found
1150 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1151 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1152 required: get_option('pipewire'),
1153 method: 'pkg-config')
1156 if not get_option('sndio').auto() or have_system
1157 sndio = dependency('sndio', required: get_option('sndio'),
1158 method: 'pkg-config')
1161 spice_protocol = not_found
1162 if not get_option('spice_protocol').auto() or have_system
1163 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1164 required: get_option('spice_protocol'),
1165 method: 'pkg-config')
1168 if get_option('spice') \
1169 .disable_auto_if(not have_system) \
1170 .require(pixman.found(),
1171 error_message: 'cannot enable SPICE if pixman is not available') \
1173 spice = dependency('spice-server', version: '>=0.14.0',
1174 required: get_option('spice'),
1175 method: 'pkg-config')
1177 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1179 rt = cc.find_library('rt', required: false)
1181 libiscsi = not_found
1182 if not get_option('libiscsi').auto() or have_block
1183 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1184 required: get_option('libiscsi'),
1185 method: 'pkg-config')
1188 if not get_option('zstd').auto() or have_block
1189 zstd = dependency('libzstd', version: '>=1.4.0',
1190 required: get_option('zstd'),
1191 method: 'pkg-config')
1195 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1196 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1197 virgl = dependency('virglrenderer',
1198 method: 'pkg-config',
1199 required: get_option('virglrenderer'))
1201 rutabaga = not_found
1202 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1203 rutabaga = dependency('rutabaga_gfx_ffi',
1204 method: 'pkg-config',
1205 required: get_option('rutabaga_gfx'))
1208 if not get_option('blkio').auto() or have_block
1209 blkio = dependency('blkio',
1210 method: 'pkg-config',
1211 required: get_option('blkio'))
1214 if not get_option('curl').auto() or have_block
1215 curl = dependency('libcurl', version: '>=7.29.0',
1216 method: 'pkg-config',
1217 required: get_option('curl'))
1220 if host_os == 'linux' and (have_system or have_tools)
1221 libudev = dependency('libudev',
1222 method: 'pkg-config',
1223 required: get_option('libudev'))
1226 mpathlibs = [libudev]
1227 mpathpersist = not_found
1228 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1229 mpath_test_source = '''
1230 #include <libudev.h>
1231 #include <mpath_persist.h>
1232 unsigned mpath_mx_alloc_len = 1024;
1234 static struct config *multipath_conf;
1235 extern struct udev *udev;
1236 extern struct config *get_multipath_config(void);
1237 extern void put_multipath_config(struct config *conf);
1239 struct config *get_multipath_config(void) { return multipath_conf; }
1240 void put_multipath_config(struct config *conf) { }
1243 multipath_conf = mpath_lib_init();
1246 libmpathpersist = cc.find_library('mpathpersist',
1247 required: get_option('mpath'))
1248 if libmpathpersist.found()
1249 mpathlibs += libmpathpersist
1250 if get_option('prefer_static')
1251 mpathlibs += cc.find_library('devmapper',
1252 required: get_option('mpath'))
1254 mpathlibs += cc.find_library('multipath',
1255 required: get_option('mpath'))
1256 foreach lib: mpathlibs
1262 if mpathlibs.length() == 0
1263 msg = 'Dependencies missing for libmpathpersist'
1264 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1265 mpathpersist = declare_dependency(dependencies: mpathlibs)
1267 msg = 'Cannot detect libmpathpersist API'
1269 if not mpathpersist.found()
1270 if get_option('mpath').enabled()
1273 warning(msg + ', disabling')
1281 if have_system and get_option('curses').allowed()
1283 #if defined(__APPLE__) || defined(__OpenBSD__)
1284 #define _XOPEN_SOURCE_EXTENDED 1
1291 setlocale(LC_ALL, "");
1293 addwstr(L"wide chars\n");
1295 add_wch(WACS_DEGREE);
1299 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1300 curses = dependency(curses_dep_list,
1302 method: 'pkg-config')
1303 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1304 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1306 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1307 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1308 version: curses.version())
1310 msg = 'curses package not usable'
1314 if not curses.found()
1315 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1316 if host_os != 'windows' and not has_curses_h
1317 message('Trying with /usr/include/ncursesw')
1318 curses_compile_args += ['-I/usr/include/ncursesw']
1319 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1322 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1323 foreach curses_libname : curses_libname_list
1324 libcurses = cc.find_library(curses_libname,
1326 if libcurses.found()
1327 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1328 curses = declare_dependency(compile_args: curses_compile_args,
1329 dependencies: [libcurses])
1332 msg = 'curses library not usable'
1338 if get_option('iconv').allowed()
1339 foreach link_args : [ ['-liconv'], [] ]
1340 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1341 # We need to use libiconv if available because mixing libiconv's headers with
1342 # the system libc does not work.
1343 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1344 # included in the command line and libiconv will not be found.
1348 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1349 return conv != (iconv_t) -1;
1350 }''', args: link_args, dependencies: glib)
1351 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1356 if curses.found() and not iconv.found()
1357 if get_option('iconv').enabled()
1358 error('iconv not available')
1360 msg = 'iconv required for curses UI but not available'
1363 if not curses.found() and msg != ''
1364 if get_option('curses').enabled()
1367 warning(msg + ', disabling')
1373 if not get_option('brlapi').auto() or have_system
1374 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1375 required: get_option('brlapi'))
1376 if brlapi.found() and not cc.links('''
1379 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1381 if get_option('brlapi').enabled()
1382 error('could not link brlapi')
1384 warning('could not link brlapi, disabling')
1390 if not get_option('sdl').auto() or have_system
1391 sdl = dependency('sdl2', required: get_option('sdl'))
1392 sdl_image = not_found
1395 # Some versions of SDL have problems with -Wundef
1396 if not cc.compiles('''
1398 #include <SDL_syswm.h>
1399 int main(int argc, char *argv[]) { return 0; }
1400 ''', dependencies: sdl, args: '-Werror=undef')
1401 sdl = declare_dependency(compile_args: '-Wno-undef',
1403 version: sdl.version())
1405 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1406 method: 'pkg-config')
1408 if get_option('sdl_image').enabled()
1409 error('sdl-image required, but SDL was @0@'.format(
1410 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1412 sdl_image = not_found
1416 if not get_option('rbd').auto() or have_block
1417 librados = cc.find_library('rados', required: get_option('rbd'))
1418 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1419 required: get_option('rbd'))
1420 if librados.found() and librbd.found()
1423 #include <rbd/librbd.h>
1426 rados_create(&cluster, NULL);
1427 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1431 }''', dependencies: [librbd, librados])
1432 rbd = declare_dependency(dependencies: [librbd, librados])
1433 elif get_option('rbd').enabled()
1434 error('librbd >= 1.12.0 required')
1436 warning('librbd >= 1.12.0 not found, disabling')
1441 glusterfs = not_found
1442 glusterfs_ftruncate_has_stat = false
1443 glusterfs_iocb_has_stat = false
1444 if not get_option('glusterfs').auto() or have_block
1445 glusterfs = dependency('glusterfs-api', version: '>=3',
1446 required: get_option('glusterfs'),
1447 method: 'pkg-config')
1448 if glusterfs.found()
1449 glusterfs_ftruncate_has_stat = cc.links('''
1450 #include <glusterfs/api/glfs.h>
1455 /* new glfs_ftruncate() passes two additional args */
1456 return glfs_ftruncate(NULL, 0, NULL, NULL);
1458 ''', dependencies: glusterfs)
1459 glusterfs_iocb_has_stat = cc.links('''
1460 #include <glusterfs/api/glfs.h>
1462 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1464 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1470 glfs_io_cbk iocb = &glusterfs_iocb;
1471 iocb(NULL, 0 , NULL, NULL, NULL);
1474 ''', dependencies: glusterfs)
1479 if get_option('hv_balloon').allowed() and have_system
1482 #include <gmodule.h>
1486 tree = g_tree_new((GCompareFunc)strcmp);
1487 (void)g_tree_node_first(tree);
1488 g_tree_destroy(tree);
1491 ''', dependencies: glib)
1494 if get_option('hv_balloon').enabled()
1495 error('could not enable hv-balloon, update your glib')
1497 warning('could not find glib support for hv-balloon, disabling')
1503 if not get_option('libssh').auto() or have_block
1504 libssh = dependency('libssh', version: '>=0.8.7',
1505 method: 'pkg-config',
1506 required: get_option('libssh'))
1509 libbzip2 = not_found
1510 if not get_option('bzip2').auto() or have_block
1511 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1512 required: get_option('bzip2'))
1513 if libbzip2.found() and not cc.links('''
1515 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1516 libbzip2 = not_found
1517 if get_option('bzip2').enabled()
1518 error('could not link libbzip2')
1520 warning('could not link libbzip2, disabling')
1525 liblzfse = not_found
1526 if not get_option('lzfse').auto() or have_block
1527 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1528 required: get_option('lzfse'))
1530 if liblzfse.found() and not cc.links('''
1532 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1533 liblzfse = not_found
1534 if get_option('lzfse').enabled()
1535 error('could not link liblzfse')
1537 warning('could not link liblzfse, disabling')
1542 if get_option('oss').allowed() and have_system
1543 if not cc.has_header('sys/soundcard.h')
1545 elif host_os == 'netbsd'
1546 oss = cc.find_library('ossaudio', required: get_option('oss'))
1548 oss = declare_dependency()
1552 if get_option('oss').enabled()
1553 error('OSS not found')
1558 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1559 if cc.has_header('dsound.h')
1560 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1563 if not dsound.found()
1564 if get_option('dsound').enabled()
1565 error('DirectSound not found')
1570 coreaudio = not_found
1571 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1572 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1573 required: get_option('coreaudio'))
1577 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1578 epoxy = dependency('epoxy', method: 'pkg-config',
1579 required: get_option('opengl'))
1580 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1582 elif get_option('opengl').enabled()
1583 error('epoxy/egl.h not found')
1587 if (have_system or have_tools) and (virgl.found() or opengl.found())
1588 gbm = dependency('gbm', method: 'pkg-config', required: false)
1590 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1593 gnutls_crypto = not_found
1594 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1595 # For general TLS support our min gnutls matches
1596 # that implied by our platform support matrix
1598 # For the crypto backends, we look for a newer
1601 # Version 3.6.8 is needed to get XTS
1602 # Version 3.6.13 is needed to get PBKDF
1603 # Version 3.6.14 is needed to get HW accelerated XTS
1605 # If newer enough gnutls isn't available, we can
1606 # still use a different crypto backend to satisfy
1607 # the platform support requirements
1608 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1609 method: 'pkg-config',
1611 if gnutls_crypto.found()
1612 gnutls = gnutls_crypto
1614 # Our min version if all we need is TLS
1615 gnutls = dependency('gnutls', version: '>=3.5.18',
1616 method: 'pkg-config',
1617 required: get_option('gnutls'))
1621 # We prefer use of gnutls for crypto, unless the options
1622 # explicitly asked for nettle or gcrypt.
1624 # If gnutls isn't available for crypto, then we'll prefer
1625 # gcrypt over nettle for performance reasons.
1629 crypto_sm4 = not_found
1632 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1633 error('Only one of gcrypt & nettle can be enabled')
1636 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1637 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1638 gnutls_crypto = not_found
1641 if not gnutls_crypto.found()
1642 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1643 gcrypt = dependency('libgcrypt', version: '>=1.8',
1644 method: 'config-tool',
1645 required: get_option('gcrypt'))
1646 # Debian has removed -lgpg-error from libgcrypt-config
1647 # as it "spreads unnecessary dependencies" which in
1648 # turn breaks static builds...
1649 if gcrypt.found() and get_option('prefer_static')
1650 gcrypt = declare_dependency(dependencies:
1652 cc.find_library('gpg-error', required: true)],
1653 version: gcrypt.version())
1656 # SM4 ALG is available in libgcrypt >= 1.9
1657 if gcrypt.found() and not cc.links('''
1660 gcry_cipher_hd_t handler;
1661 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1663 }''', dependencies: gcrypt)
1664 crypto_sm4 = not_found
1667 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1668 nettle = dependency('nettle', version: '>=3.4',
1669 method: 'pkg-config',
1670 required: get_option('nettle'))
1671 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1675 # SM4 ALG is available in nettle >= 3.9
1676 if nettle.found() and not cc.links('''
1677 #include <nettle/sm4.h>
1680 unsigned char key[16] = {0};
1681 sm4_set_encrypt_key(&ctx, key);
1683 }''', dependencies: nettle)
1684 crypto_sm4 = not_found
1689 capstone = not_found
1690 if not get_option('capstone').auto() or have_system or have_user
1691 capstone = dependency('capstone', version: '>=3.0.5',
1692 method: 'pkg-config',
1693 required: get_option('capstone'))
1695 # Some versions of capstone have broken pkg-config file
1696 # that reports a wrong -I path, causing the #include to
1697 # fail later. If the system has such a broken version
1699 if capstone.found() and not cc.compiles('#include <capstone.h>',
1700 dependencies: [capstone])
1701 capstone = not_found
1702 if get_option('capstone').enabled()
1703 error('capstone requested, but it does not appear to work')
1708 gmp = dependency('gmp', required: false, method: 'pkg-config')
1709 if nettle.found() and gmp.found()
1710 hogweed = dependency('hogweed', version: '>=3.4',
1711 method: 'pkg-config',
1712 required: get_option('nettle'))
1719 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1721 if get_option('gtk') \
1722 .disable_auto_if(not have_system) \
1723 .require(pixman.found(),
1724 error_message: 'cannot enable GTK if pixman is not available') \
1726 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1727 method: 'pkg-config',
1728 required: get_option('gtk'))
1730 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1731 method: 'pkg-config',
1733 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1734 version: gtk.version())
1736 if not get_option('vte').auto() or have_system
1737 vte = dependency('vte-2.91',
1738 method: 'pkg-config',
1739 required: get_option('vte'))
1741 elif have_gtk_clipboard
1742 error('GTK clipboard requested, but GTK not found')
1748 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1751 if get_option('png').allowed() and have_system
1752 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1753 method: 'pkg-config')
1758 if get_option('vnc') \
1759 .disable_auto_if(not have_system) \
1760 .require(pixman.found(),
1761 error_message: 'cannot enable VNC if pixman is not available') \
1763 vnc = declare_dependency() # dummy dependency
1764 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1765 method: 'pkg-config')
1766 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1767 required: get_option('vnc_sasl'))
1769 sasl = declare_dependency(dependencies: sasl,
1770 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1775 if not get_option('auth_pam').auto() or have_system
1776 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1777 required: get_option('auth_pam'))
1779 if pam.found() and not cc.links('''
1781 #include <security/pam_appl.h>
1783 const char *service_name = "qemu";
1784 const char *user = "frank";
1785 const struct pam_conv pam_conv = { 0 };
1786 pam_handle_t *pamh = NULL;
1787 pam_start(service_name, user, &pam_conv, &pamh);
1789 }''', dependencies: pam)
1791 if get_option('auth_pam').enabled()
1792 error('could not link libpam')
1794 warning('could not link libpam, disabling')
1799 if not get_option('snappy').auto() or have_system
1800 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1801 required: get_option('snappy'))
1803 if snappy.found() and not cc.links('''
1804 #include <snappy-c.h>
1805 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1807 if get_option('snappy').enabled()
1808 error('could not link libsnappy')
1810 warning('could not link libsnappy, disabling')
1815 if not get_option('lzo').auto() or have_system
1816 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1817 required: get_option('lzo'))
1819 if lzo.found() and not cc.links('''
1820 #include <lzo/lzo1x.h>
1821 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1823 if get_option('lzo').enabled()
1824 error('could not link liblzo2')
1826 warning('could not link liblzo2, disabling')
1831 if not get_option('numa').auto() or have_system or have_tools
1832 numa = cc.find_library('numa', has_headers: ['numa.h'],
1833 required: get_option('numa'))
1835 if numa.found() and not cc.links('''
1837 int main(void) { return numa_available(); }
1838 ''', dependencies: numa)
1840 if get_option('numa').enabled()
1841 error('could not link numa')
1843 warning('could not link numa, disabling')
1848 fdt_opt = get_option('fdt')
1849 if fdt_opt == 'enabled' and get_option('wrap_mode') == 'nodownload'
1852 if fdt_opt in ['enabled', 'system'] or (fdt_opt == 'auto' and have_system)
1853 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
1854 if fdt.found() and cc.links('''
1856 #include <libfdt_env.h>
1857 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
1860 elif fdt_opt != 'system'
1861 fdt_opt = get_option('wrap_mode') == 'nodownload' ? 'disabled' : 'internal'
1864 error('system libfdt is too old (1.5.1 or newer required)')
1867 if fdt_opt == 'internal'
1868 assert(not fdt.found())
1869 libfdt_proj = subproject('dtc', required: true,
1870 default_options: ['tools=false', 'yaml=disabled',
1871 'python=disabled', 'default_library=static'])
1872 fdt = libfdt_proj.get_variable('libfdt_dep')
1876 if not get_option('rdma').auto() or have_system
1877 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1878 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1879 required: get_option('rdma')),
1880 cc.find_library('ibverbs', required: get_option('rdma')),
1882 rdma = declare_dependency(dependencies: rdma_libs)
1883 foreach lib: rdma_libs
1891 if not get_option('smartcard').auto() or have_system
1892 cacard = dependency('libcacard', required: get_option('smartcard'),
1893 version: '>=2.5.1', method: 'pkg-config')
1896 if not get_option('u2f').auto() or have_system
1897 u2f = dependency('u2f-emu', required: get_option('u2f'),
1898 method: 'pkg-config')
1901 if not get_option('canokey').auto() or have_system
1902 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1903 method: 'pkg-config')
1905 usbredir = not_found
1906 if not get_option('usb_redir').auto() or have_system
1907 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1908 version: '>=0.6', method: 'pkg-config')
1911 if not get_option('libusb').auto() or have_system
1912 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1913 version: '>=1.0.13', method: 'pkg-config')
1917 if not get_option('libpmem').auto() or have_system
1918 libpmem = dependency('libpmem', required: get_option('libpmem'),
1919 method: 'pkg-config')
1921 libdaxctl = not_found
1922 if not get_option('libdaxctl').auto() or have_system
1923 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1924 version: '>=57', method: 'pkg-config')
1928 tasn1 = dependency('libtasn1',
1929 method: 'pkg-config')
1931 keyutils = not_found
1932 if not get_option('libkeyutils').auto() or have_block
1933 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1934 method: 'pkg-config')
1937 has_gettid = cc.has_function('gettid')
1940 selinux = dependency('libselinux',
1941 required: get_option('selinux'),
1942 method: 'pkg-config')
1947 if get_option('malloc') == 'system'
1949 get_option('malloc_trim').allowed() and \
1950 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1952 has_malloc_trim = false
1953 malloc = cc.find_library(get_option('malloc'), required: true)
1955 if not has_malloc_trim and get_option('malloc_trim').enabled()
1956 if get_option('malloc') == 'system'
1957 error('malloc_trim not available on this platform.')
1959 error('malloc_trim not available with non-libc memory allocator')
1963 gnu_source_prefix = '''
1969 # Check whether the glibc provides STATX_BASIC_STATS
1971 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1973 # Check whether statx() provides mount ID information
1975 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1977 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1978 .require(host_os == 'linux',
1979 error_message: 'vhost_user_blk_server requires linux') \
1980 .require(have_vhost_user,
1981 error_message: 'vhost_user_blk_server requires vhost-user support') \
1982 .disable_auto_if(not have_tools and not have_system) \
1985 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1986 error('Cannot enable fuse-lseek while fuse is disabled')
1989 fuse = dependency('fuse3', required: get_option('fuse'),
1990 version: '>=3.1', method: 'pkg-config')
1992 fuse_lseek = not_found
1993 if get_option('fuse_lseek').allowed()
1994 if fuse.version().version_compare('>=3.8')
1996 fuse_lseek = declare_dependency()
1997 elif get_option('fuse_lseek').enabled()
1999 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
2001 error('fuse-lseek requires libfuse, which was not found')
2006 have_libvduse = (host_os == 'linux')
2007 if get_option('libvduse').enabled()
2008 if host_os != 'linux'
2009 error('libvduse requires linux')
2011 elif get_option('libvduse').disabled()
2012 have_libvduse = false
2015 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2016 if get_option('vduse_blk_export').enabled()
2017 if host_os != 'linux'
2018 error('vduse_blk_export requires linux')
2019 elif not have_libvduse
2020 error('vduse_blk_export requires libvduse support')
2022 elif get_option('vduse_blk_export').disabled()
2023 have_vduse_blk_export = false
2027 bpf_version = '1.1.0'
2028 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2029 if libbpf.found() and not cc.links('''
2030 #include <bpf/libbpf.h>
2031 #include <linux/bpf.h>
2034 // check flag availability
2035 int flag = BPF_F_MMAPABLE;
2036 bpf_object__destroy_skeleton(NULL);
2038 }''', dependencies: libbpf)
2040 if get_option('bpf').enabled()
2041 error('libbpf skeleton/mmaping test failed')
2043 warning('libbpf skeleton/mmaping test failed, disabling')
2049 if not get_option('af_xdp').auto() or have_system
2050 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2051 version: '>=1.4.0', method: 'pkg-config')
2056 if not get_option('libdw').auto() or \
2057 (not get_option('prefer_static') and (have_system or have_user))
2058 libdw = dependency('libdw',
2059 method: 'pkg-config',
2060 required: get_option('libdw'))
2067 config_host_data = configuration_data()
2069 audio_drivers_selected = []
2071 audio_drivers_available = {
2072 'alsa': alsa.found(),
2073 'coreaudio': coreaudio.found(),
2074 'dsound': dsound.found(),
2075 'jack': jack.found(),
2077 'pa': pulse.found(),
2078 'pipewire': pipewire.found(),
2080 'sndio': sndio.found(),
2082 foreach k, v: audio_drivers_available
2083 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2086 # Default to native drivers first, OSS second, SDL third
2087 audio_drivers_priority = \
2088 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2089 (host_os == 'linux' ? [] : [ 'sdl' ])
2090 audio_drivers_default = []
2091 foreach k: audio_drivers_priority
2092 if audio_drivers_available[k]
2093 audio_drivers_default += k
2097 foreach k: get_option('audio_drv_list')
2099 audio_drivers_selected += audio_drivers_default
2100 elif not audio_drivers_available[k]
2101 error('Audio driver "@0@" not available.'.format(k))
2103 audio_drivers_selected += k
2107 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2108 '"' + '", "'.join(audio_drivers_selected) + '", ')
2110 have_host_block_device = (host_os != 'darwin' or
2111 cc.has_header('IOKit/storage/IOMedia.h'))
2113 dbus_display = get_option('dbus_display') \
2114 .require(gio.version().version_compare('>=2.64'),
2115 error_message: '-display dbus requires glib>=2.64') \
2116 .require(gdbus_codegen.found(),
2117 error_message: gdbus_codegen_error.format('-display dbus')) \
2120 have_virtfs = get_option('virtfs') \
2121 .require(host_os == 'linux' or host_os == 'darwin',
2122 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2123 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2124 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2125 .require(host_os == 'darwin' or libattr.found(),
2126 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2127 .disable_auto_if(not have_tools and not have_system) \
2130 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2131 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2132 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2133 .disable_auto_if(not have_tools) \
2134 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2137 if get_option('block_drv_ro_whitelist') == ''
2138 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2140 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2141 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2143 if get_option('block_drv_rw_whitelist') == ''
2144 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2146 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2147 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2150 foreach k : get_option('trace_backends')
2151 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2153 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2154 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2156 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2158 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2159 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2160 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2161 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2162 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2164 qemu_firmwarepath = ''
2165 foreach k : get_option('qemu_firmwarepath')
2166 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2168 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2170 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2171 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2172 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2173 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2174 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2175 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2178 config_host_data.set('CONFIG_STAMP', run_command(
2179 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2180 meson.project_version(), get_option('pkgversion'), '--',
2181 meson.current_source_dir() / 'configure',
2182 capture: true, check: true).stdout().strip())
2185 have_slirp_smbd = get_option('slirp_smbd') \
2186 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2189 smbd_path = get_option('smbd')
2191 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2193 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2196 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2198 kvm_targets_c = '""'
2199 if get_option('kvm').allowed() and host_os == 'linux'
2200 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2202 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2204 if get_option('module_upgrades') and not enable_modules
2205 error('Cannot enable module-upgrades as modules are not enabled')
2207 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2209 config_host_data.set('CONFIG_ATTR', libattr.found())
2210 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2211 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2212 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2213 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2214 config_host_data.set('CONFIG_COCOA', cocoa.found())
2215 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2216 config_host_data.set('CONFIG_FDT', fdt.found())
2217 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2218 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2219 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2220 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2221 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2222 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2223 config_host_data.set('CONFIG_LZO', lzo.found())
2224 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2225 config_host_data.set('CONFIG_BLKIO', blkio.found())
2227 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2228 blkio.version().version_compare('>=1.3.0'))
2230 config_host_data.set('CONFIG_CURL', curl.found())
2231 config_host_data.set('CONFIG_CURSES', curses.found())
2232 config_host_data.set('CONFIG_GBM', gbm.found())
2233 config_host_data.set('CONFIG_GIO', gio.found())
2234 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2235 if glusterfs.found()
2236 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2237 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2238 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2239 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2240 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2241 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2243 config_host_data.set('CONFIG_GTK', gtk.found())
2244 config_host_data.set('CONFIG_VTE', vte.found())
2245 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2246 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2247 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2248 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2249 config_host_data.set('CONFIG_EBPF', libbpf.found())
2250 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2251 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2252 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2253 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2254 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2255 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2256 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2257 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2258 config_host_data.set('CONFIG_MODULES', enable_modules)
2259 config_host_data.set('CONFIG_NUMA', numa.found())
2261 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2262 cc.has_function('numa_has_preferred_many',
2263 dependencies: numa))
2265 config_host_data.set('CONFIG_OPENGL', opengl.found())
2266 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2267 config_host_data.set('CONFIG_RBD', rbd.found())
2268 config_host_data.set('CONFIG_RDMA', rdma.found())
2269 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2270 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2271 config_host_data.set('CONFIG_SDL', sdl.found())
2272 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2273 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2275 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2277 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2278 config_host_data.set('CONFIG_SLIRP', slirp.found())
2279 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2280 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2281 if get_option('tcg').allowed()
2282 config_host_data.set('CONFIG_TCG', 1)
2283 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2285 config_host_data.set('CONFIG_TPM', have_tpm)
2286 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2287 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2288 config_host_data.set('CONFIG_VDE', vde.found())
2289 config_host_data.set('CONFIG_VHOST', have_vhost)
2290 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2291 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2292 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2293 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2294 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2295 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2296 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2297 config_host_data.set('CONFIG_VMNET', vmnet.found())
2298 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2299 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2300 config_host_data.set('CONFIG_PNG', png.found())
2301 config_host_data.set('CONFIG_VNC', vnc.found())
2302 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2303 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2305 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2306 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2307 prefix: '#include <virglrenderer.h>',
2308 dependencies: virgl))
2310 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2311 config_host_data.set('CONFIG_VTE', vte.found())
2312 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2313 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2314 config_host_data.set('CONFIG_GETTID', has_gettid)
2315 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2316 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2317 config_host_data.set('CONFIG_TASN1', tasn1.found())
2318 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2319 config_host_data.set('CONFIG_NETTLE', nettle.found())
2320 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2321 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2322 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2323 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2324 config_host_data.set('CONFIG_STATX', has_statx)
2325 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2326 config_host_data.set('CONFIG_ZSTD', zstd.found())
2327 config_host_data.set('CONFIG_FUSE', fuse.found())
2328 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2329 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2330 if spice_protocol.found()
2331 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2332 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2333 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2335 config_host_data.set('CONFIG_SPICE', spice.found())
2336 config_host_data.set('CONFIG_X11', x11.found())
2337 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2338 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2339 config_host_data.set('CONFIG_SELINUX', selinux.found())
2340 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2341 config_host_data.set('CONFIG_LIBDW', libdw.found())
2343 # protect from xen.version() having less than three components
2344 xen_version = xen.version().split('.') + ['0', '0']
2345 xen_ctrl_version = xen_version[0] + \
2346 ('0' + xen_version[1]).substring(-2) + \
2347 ('0' + xen_version[2]).substring(-2)
2348 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2350 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2351 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2352 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2353 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2355 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2356 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2358 have_coroutine_pool = get_option('coroutine_pool')
2359 if get_option('debug_stack_usage') and have_coroutine_pool
2360 message('Disabling coroutine pool to measure stack usage')
2361 have_coroutine_pool = false
2363 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2364 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2365 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2366 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2367 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2368 config_host_data.set('CONFIG_DEBUG_REMAP', get_option('debug_remap'))
2369 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2370 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2373 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2374 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2375 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2376 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2377 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2378 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2379 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2380 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2381 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2382 if host_os == 'windows'
2383 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2387 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2388 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2389 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2390 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2391 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2392 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2393 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2394 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2395 # Note that we need to specify prefix: here to avoid incorrectly
2396 # thinking that Windows has posix_memalign()
2397 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2398 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2399 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2400 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2401 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2402 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2403 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2404 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2405 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2406 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2407 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2408 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2409 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2410 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2411 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2412 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2413 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2414 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2416 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2417 cc.has_function('rbd_namespace_exists',
2419 prefix: '#include <rbd/librbd.h>'))
2422 config_host_data.set('HAVE_IBV_ADVISE_MR',
2423 cc.has_function('ibv_advise_mr',
2425 prefix: '#include <infiniband/verbs.h>'))
2428 have_asan_fiber = false
2429 if get_option('sanitizers') and \
2430 not cc.has_function('__sanitizer_start_switch_fiber',
2431 args: '-fsanitize=address',
2432 prefix: '#include <sanitizer/asan_interface.h>')
2433 warning('Missing ASAN due to missing fiber annotation interface')
2434 warning('Without code annotation, the report may be inferior.')
2436 have_asan_fiber = true
2438 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2440 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2441 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2443 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2445 inotify = cc.find_library('inotify')
2446 if have_inotify_init
2447 have_inotify_init = inotify.found()
2449 if have_inotify_init1
2450 have_inotify_init1 = inotify.found()
2453 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2454 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2457 config_host_data.set('CONFIG_BLKZONED',
2458 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2459 config_host_data.set('CONFIG_EPOLL_CREATE1',
2460 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2461 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2462 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2463 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2464 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2465 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2466 config_host_data.set('CONFIG_FIEMAP',
2467 cc.has_header('linux/fiemap.h') and
2468 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2469 config_host_data.set('CONFIG_GETRANDOM',
2470 cc.has_function('getrandom') and
2471 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2472 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2473 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2474 config_host_data.set('CONFIG_RTNETLINK',
2475 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2476 config_host_data.set('CONFIG_SYSMACROS',
2477 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2478 config_host_data.set('HAVE_OPTRESET',
2479 cc.has_header_symbol('getopt.h', 'optreset'))
2480 config_host_data.set('HAVE_IPPROTO_MPTCP',
2481 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2484 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2485 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2486 prefix: '#include <signal.h>'))
2487 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2488 cc.has_member('struct stat', 'st_atim',
2489 prefix: '#include <sys/stat.h>'))
2490 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2491 cc.has_member('struct blk_zone', 'capacity',
2492 prefix: '#include <linux/blkzoned.h>'))
2495 config_host_data.set('CONFIG_IOVEC',
2496 cc.has_type('struct iovec',
2497 prefix: '#include <sys/uio.h>'))
2498 config_host_data.set('HAVE_UTMPX',
2499 cc.has_type('struct utmpx',
2500 prefix: '#include <utmpx.h>'))
2502 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2503 #include <sys/eventfd.h>
2504 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2505 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2508 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2509 return fdatasync(0);
2511 #error Not supported
2515 has_madvise = cc.links(gnu_source_prefix + '''
2516 #include <sys/types.h>
2517 #include <sys/mman.h>
2519 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2520 missing_madvise_proto = false
2522 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2523 # but forget to prototype it. In this case, has_madvise will be true (the
2524 # test program links despite a compile warning). To detect the
2525 # missing-prototype case, we try again with a definitely-bogus prototype.
2526 # This will only compile if the system headers don't provide the prototype;
2527 # otherwise the conflicting prototypes will cause a compiler error.
2528 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2529 #include <sys/types.h>
2530 #include <sys/mman.h>
2532 extern int madvise(int);
2533 int main(void) { return madvise(0); }''')
2535 config_host_data.set('CONFIG_MADVISE', has_madvise)
2536 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2538 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2539 #include <sys/mman.h>
2540 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2541 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2543 #if !defined(AT_EMPTY_PATH)
2544 # error missing definition
2546 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2548 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2549 #include <sys/mman.h>
2551 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2553 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2554 #include <pthread.h>
2556 static void *f(void *p) { return NULL; }
2560 pthread_create(&thread, 0, f, 0);
2561 pthread_setname_np(thread, "QEMU");
2563 }''', dependencies: threads))
2564 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2565 #include <pthread.h>
2567 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2571 pthread_create(&thread, 0, f, 0);
2573 }''', dependencies: threads))
2574 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2575 #include <pthread.h>
2576 #include <pthread_np.h>
2578 static void *f(void *p) { return NULL; }
2582 pthread_create(&thread, 0, f, 0);
2583 pthread_set_name_np(thread, "QEMU");
2585 }''', dependencies: threads))
2586 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2587 #include <pthread.h>
2592 pthread_condattr_t attr
2593 pthread_condattr_init(&attr);
2594 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2596 }''', dependencies: threads))
2597 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2598 #include <pthread.h>
2600 static void *f(void *p) { return NULL; }
2603 int setsize = CPU_ALLOC_SIZE(64);
2606 pthread_create(&thread, 0, f, 0);
2607 cpuset = CPU_ALLOC(64);
2608 CPU_ZERO_S(setsize, cpuset);
2609 pthread_setaffinity_np(thread, setsize, cpuset);
2610 pthread_getaffinity_np(thread, setsize, cpuset);
2613 }''', dependencies: threads))
2614 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2615 #include <sys/signalfd.h>
2617 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2618 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2626 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2627 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2631 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2632 #include <sys/mman.h>
2634 return mlockall(MCL_FUTURE);
2638 if get_option('l2tpv3').allowed() and have_system
2639 have_l2tpv3 = cc.has_type('struct mmsghdr',
2640 prefix: gnu_source_prefix + '''
2641 #include <sys/socket.h>
2642 #include <linux/ip.h>''')
2644 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2647 if get_option('netmap').allowed() and have_system
2648 have_netmap = cc.compiles('''
2649 #include <inttypes.h>
2651 #include <net/netmap.h>
2652 #include <net/netmap_user.h>
2653 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2656 int main(void) { return 0; }''')
2657 if not have_netmap and get_option('netmap').enabled()
2658 error('Netmap headers not available')
2661 config_host_data.set('CONFIG_NETMAP', have_netmap)
2663 # Work around a system header bug with some kernel/XFS header
2664 # versions where they both try to define 'struct fsxattr':
2665 # xfs headers will not try to redefine structs from linux headers
2666 # if this macro is set.
2667 config_host_data.set('HAVE_FSXATTR', cc.links('''
2668 #include <linux/fs.h>
2674 # Some versions of Mac OS X incorrectly define SIZE_MAX
2675 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2679 return printf("%zu", SIZE_MAX);
2680 }''', args: ['-Werror']))
2682 # See if 64-bit atomic operations are supported.
2683 # Note that without __atomic builtins, we can only
2684 # assume atomic loads/stores max at pointer size.
2685 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2689 uint64_t x = 0, y = 0;
2690 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2691 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2692 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2693 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2694 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2698 has_int128_type = cc.compiles('''
2701 int main(void) { b = a; }''')
2702 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2704 has_int128 = has_int128_type and cc.links('''
2713 config_host_data.set('CONFIG_INT128', has_int128)
2716 # "do we have 128-bit atomics which are handled inline and specifically not
2717 # via libatomic". The reason we can't use libatomic is documented in the
2718 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2719 # We only care about these operations on 16-byte aligned pointers, so
2720 # force 16-byte alignment of the pointer, which may be greater than
2721 # __alignof(unsigned __int128) for the host.
2722 atomic_test_128 = '''
2723 int main(int ac, char **av) {
2724 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2725 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2726 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2727 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2730 has_atomic128 = cc.links(atomic_test_128)
2732 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2734 if not has_atomic128
2735 # Even with __builtin_assume_aligned, the above test may have failed
2736 # without optimization enabled. Try again with optimizations locally
2737 # enabled for the function. See
2738 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2739 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2740 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2742 if not has_atomic128_opt
2743 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2746 __uint128_t x = 0, y = 0;
2747 __sync_val_compare_and_swap_16(&x, y, x);
2755 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2756 #include <sys/auxv.h>
2758 return getauxval(AT_HWCAP) == 0;
2761 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2762 #include <linux/usbdevice_fs.h>
2764 #ifndef USBDEVFS_GET_CAPABILITIES
2765 #error "USBDEVFS_GET_CAPABILITIES undefined"
2768 #ifndef USBDEVFS_DISCONNECT_CLAIM
2769 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2772 int main(void) { return 0; }'''))
2774 have_keyring = get_option('keyring') \
2775 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2776 .require(cc.compiles('''
2778 #include <asm/unistd.h>
2779 #include <linux/keyctl.h>
2780 #include <sys/syscall.h>
2783 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2784 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2785 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2787 have_cpuid_h = cc.links('''
2790 unsigned a, b, c, d;
2791 unsigned max = __get_cpuid_max(0, 0);
2794 __cpuid(1, a, b, c, d);
2798 __cpuid_count(7, 0, a, b, c, d);
2803 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2805 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2806 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2807 .require(cc.links('''
2809 #include <immintrin.h>
2810 static int __attribute__((target("avx2"))) bar(void *a) {
2811 __m256i x = *(__m256i *)a;
2812 return _mm256_testz_si256(x, x);
2814 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2815 '''), error_message: 'AVX2 not available').allowed())
2817 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2818 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2819 .require(cc.links('''
2821 #include <immintrin.h>
2822 static int __attribute__((target("avx512f"))) bar(void *a) {
2823 __m512i x = *(__m512i *)a;
2824 return _mm512_test_epi64_mask(x, x);
2826 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2827 '''), error_message: 'AVX512F not available').allowed())
2829 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2830 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2831 .require(cc.links('''
2833 #include <immintrin.h>
2834 static int __attribute__((target("avx512bw"))) bar(void *a) {
2836 __m512i res= _mm512_abs_epi8(*x);
2839 int main(int argc, char *argv[]) { return bar(argv[0]); }
2840 '''), error_message: 'AVX512BW not available').allowed())
2842 # For both AArch64 and AArch32, detect if builtins are available.
2843 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2844 #include <arm_neon.h>
2845 #ifndef __ARM_FEATURE_AES
2846 __attribute__((target("+crypto")))
2848 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2851 if get_option('membarrier').disabled()
2852 have_membarrier = false
2853 elif host_os == 'windows'
2854 have_membarrier = true
2855 elif host_os == 'linux'
2856 have_membarrier = cc.compiles('''
2857 #include <linux/membarrier.h>
2858 #include <sys/syscall.h>
2862 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2863 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2867 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2868 .require(have_membarrier, error_message: 'membarrier system call not available') \
2871 have_afalg = get_option('crypto_afalg') \
2872 .require(cc.compiles(gnu_source_prefix + '''
2874 #include <sys/types.h>
2875 #include <sys/socket.h>
2876 #include <linux/if_alg.h>
2879 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2882 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2883 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2885 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2886 'linux/vm_sockets.h', 'AF_VSOCK',
2887 prefix: '#include <sys/socket.h>',
2891 have_vss_sdk = false # old xp/2003 SDK
2892 if host_os == 'windows' and 'cpp' in all_languages
2893 have_vss = cxx.compiles('''
2894 #define __MIDL_user_allocate_free_DEFINED__
2896 int main(void) { return VSS_CTX_BACKUP; }''')
2897 have_vss_sdk = cxx.has_header('vscoordint.h')
2899 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2901 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2902 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2903 if host_os == 'windows'
2904 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2910 }''', name: '_lock_file and _unlock_file'))
2913 if host_os == 'windows'
2914 mingw_has_setjmp_longjmp = cc.links('''
2918 * These functions are not available in setjmp header, but may be
2919 * available at link time, from libmingwex.a.
2921 extern int __mingw_setjmp(jmp_buf);
2922 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2924 __mingw_setjmp(env);
2925 __mingw_longjmp(env, 0);
2927 ''', name: 'mingw setjmp and longjmp')
2929 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2930 error('mingw must provide setjmp/longjmp for windows-arm64')
2934 ########################
2935 # Target configuration #
2936 ########################
2938 minikconf = find_program('scripts/minikconf.py')
2940 config_all_accel = {}
2941 config_all_devices = {}
2942 config_devices_mak_list = []
2943 config_devices_h = {}
2944 config_target_h = {}
2945 config_target_mak = {}
2948 'alpha' : ['CONFIG_ALPHA_DIS'],
2949 'avr' : ['CONFIG_AVR_DIS'],
2950 'cris' : ['CONFIG_CRIS_DIS'],
2951 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2952 'hppa' : ['CONFIG_HPPA_DIS'],
2953 'i386' : ['CONFIG_I386_DIS'],
2954 'x86_64' : ['CONFIG_I386_DIS'],
2955 'm68k' : ['CONFIG_M68K_DIS'],
2956 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2957 'mips' : ['CONFIG_MIPS_DIS'],
2958 'or1k' : ['CONFIG_OPENRISC_DIS'],
2959 'ppc' : ['CONFIG_PPC_DIS'],
2960 'riscv' : ['CONFIG_RISCV_DIS'],
2961 'rx' : ['CONFIG_RX_DIS'],
2962 's390' : ['CONFIG_S390_DIS'],
2963 'sh4' : ['CONFIG_SH4_DIS'],
2964 'sparc' : ['CONFIG_SPARC_DIS'],
2965 'xtensa' : ['CONFIG_XTENSA_DIS'],
2966 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2969 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2971 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2972 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2973 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2974 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2975 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2976 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2977 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2978 (fdt.found() ? ['CONFIG_FDT=y'] : []) + \
2979 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2980 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2981 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2982 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2983 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2984 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2985 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2986 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2988 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2990 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2991 actual_target_dirs = []
2993 foreach target : target_dirs
2994 config_target = { 'TARGET_NAME': target.split('-')[0] }
2995 if target.endswith('linux-user')
2996 if host_os != 'linux'
3000 error('Target @0@ is only available on a Linux host'.format(target))
3002 config_target += { 'CONFIG_LINUX_USER': 'y' }
3003 elif target.endswith('bsd-user')
3004 if host_os not in bsd_oses
3008 error('Target @0@ is only available on a BSD host'.format(target))
3010 config_target += { 'CONFIG_BSD_USER': 'y' }
3011 elif target.endswith('softmmu')
3012 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3013 config_target += { 'CONFIG_SOFTMMU': 'y' }
3015 if target.endswith('-user')
3017 'CONFIG_USER_ONLY': 'y',
3018 'CONFIG_QEMU_INTERP_PREFIX':
3019 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3024 foreach sym: accelerators
3025 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3026 config_target += { sym: 'y' }
3027 config_all_accel += { sym: 'y' }
3028 if target in modular_tcg
3029 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3031 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3033 target_kconfig += [ sym + '=y' ]
3036 if target_kconfig.length() == 0
3040 error('No accelerator available for target @0@'.format(target))
3043 config_target += keyval.load('configs/targets' / target + '.mak')
3044 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3046 if 'TARGET_NEED_FDT' in config_target and not fdt.found()
3048 warning('Disabling ' + target + ' due to missing libfdt')
3050 fdt_required += target
3055 actual_target_dirs += target
3058 if 'TARGET_BASE_ARCH' not in config_target
3059 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3061 if 'TARGET_ABI_DIR' not in config_target
3062 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3064 if 'TARGET_BIG_ENDIAN' not in config_target
3065 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3068 foreach k, v: disassemblers
3069 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3071 config_target += { sym: 'y' }
3076 config_target_data = configuration_data()
3077 foreach k, v: config_target
3078 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3080 elif ignored.contains(k)
3082 elif k == 'TARGET_BASE_ARCH'
3083 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3084 # not used to select files from sourcesets.
3085 config_target_data.set('TARGET_' + v.to_upper(), 1)
3086 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3087 config_target_data.set_quoted(k, v)
3089 config_target_data.set(k, 1)
3091 config_target_data.set(k, 0)
3093 config_target_data.set(k, v)
3096 config_target_data.set('QEMU_ARCH',
3097 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3098 config_target_h += {target: configure_file(output: target + '-config-target.h',
3099 configuration: config_target_data)}
3101 if target.endswith('-softmmu')
3102 target_kconfig += 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'
3103 target_kconfig += 'CONFIG_TARGET_BIG_ENDIAN=' + config_target['TARGET_BIG_ENDIAN']
3105 config_input = meson.get_external_property(target, 'default')
3106 config_devices_mak = target + '-config-devices.mak'
3107 config_devices_mak = configure_file(
3108 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3109 output: config_devices_mak,
3110 depfile: config_devices_mak + '.d',
3112 command: [minikconf,
3113 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3114 config_devices_mak, '@DEPFILE@', '@INPUT@',
3115 host_kconfig, target_kconfig])
3117 config_devices_data = configuration_data()
3118 config_devices = keyval.load(config_devices_mak)
3119 foreach k, v: config_devices
3120 config_devices_data.set(k, 1)
3122 config_devices_mak_list += config_devices_mak
3123 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3124 configuration: config_devices_data)}
3125 config_target += config_devices
3126 config_all_devices += config_devices
3128 config_target_mak += {target: config_target}
3130 target_dirs = actual_target_dirs
3132 target_configs_h = []
3133 foreach target: target_dirs
3134 target_configs_h += config_target_h[target]
3135 target_configs_h += config_devices_h.get(target, [])
3137 genh += custom_target('config-poison.h',
3138 input: [target_configs_h],
3139 output: 'config-poison.h',
3141 command: [find_program('scripts/make-config-poison.sh'),
3144 if fdt_required.length() > 0
3145 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3152 libvfio_user_dep = not_found
3153 if have_system and vfio_user_server_allowed
3154 libvfio_user_proj = subproject('libvfio-user', required: true)
3155 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3158 vhost_user = not_found
3159 if host_os == 'linux' and have_vhost_user
3160 libvhost_user = subproject('libvhost-user')
3161 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3164 libvduse = not_found
3166 libvduse_proj = subproject('libvduse')
3167 libvduse = libvduse_proj.get_variable('libvduse_dep')
3170 #####################
3171 # Generated sources #
3172 #####################
3174 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3176 hxtool = find_program('scripts/hxtool')
3177 shaderinclude = find_program('scripts/shaderinclude.py')
3178 qapi_gen = find_program('scripts/qapi-gen.py')
3179 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3180 meson.current_source_dir() / 'scripts/qapi/commands.py',
3181 meson.current_source_dir() / 'scripts/qapi/common.py',
3182 meson.current_source_dir() / 'scripts/qapi/error.py',
3183 meson.current_source_dir() / 'scripts/qapi/events.py',
3184 meson.current_source_dir() / 'scripts/qapi/expr.py',
3185 meson.current_source_dir() / 'scripts/qapi/gen.py',
3186 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3187 meson.current_source_dir() / 'scripts/qapi/main.py',
3188 meson.current_source_dir() / 'scripts/qapi/parser.py',
3189 meson.current_source_dir() / 'scripts/qapi/schema.py',
3190 meson.current_source_dir() / 'scripts/qapi/source.py',
3191 meson.current_source_dir() / 'scripts/qapi/types.py',
3192 meson.current_source_dir() / 'scripts/qapi/visit.py',
3193 meson.current_source_dir() / 'scripts/qapi-gen.py'
3197 python, files('scripts/tracetool.py'),
3198 '--backend=' + ','.join(get_option('trace_backends'))
3200 tracetool_depends = files(
3201 'scripts/tracetool/backend/log.py',
3202 'scripts/tracetool/backend/__init__.py',
3203 'scripts/tracetool/backend/dtrace.py',
3204 'scripts/tracetool/backend/ftrace.py',
3205 'scripts/tracetool/backend/simple.py',
3206 'scripts/tracetool/backend/syslog.py',
3207 'scripts/tracetool/backend/ust.py',
3208 'scripts/tracetool/format/ust_events_c.py',
3209 'scripts/tracetool/format/ust_events_h.py',
3210 'scripts/tracetool/format/__init__.py',
3211 'scripts/tracetool/format/d.py',
3212 'scripts/tracetool/format/simpletrace_stap.py',
3213 'scripts/tracetool/format/c.py',
3214 'scripts/tracetool/format/h.py',
3215 'scripts/tracetool/format/log_stap.py',
3216 'scripts/tracetool/format/stap.py',
3217 'scripts/tracetool/__init__.py',
3218 'scripts/tracetool/vcpu.py'
3221 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3222 meson.current_source_dir(),
3223 get_option('pkgversion'), meson.project_version()]
3224 qemu_version = custom_target('qemu-version.h',
3225 output: 'qemu-version.h',
3226 command: qemu_version_cmd,
3228 build_by_default: true,
3229 build_always_stale: true)
3230 genh += qemu_version
3234 ['qemu-options.hx', 'qemu-options.def'],
3235 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3239 ['hmp-commands.hx', 'hmp-commands.h'],
3240 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3243 foreach d : hx_headers
3244 hxdep += custom_target(d[1],
3248 command: [hxtool, '-h', '@INPUT0@'])
3256 # TODO: add each directory to the subdirs from its own meson.build, once
3258 trace_events_subdirs = [
3267 trace_events_subdirs += [ 'linux-user' ]
3270 trace_events_subdirs += [ 'bsd-user' ]
3273 trace_events_subdirs += [
3282 trace_events_subdirs += [
3345 if have_system or have_user
3346 trace_events_subdirs += [
3368 authz_ss = ss.source_set()
3369 blockdev_ss = ss.source_set()
3370 block_ss = ss.source_set()
3371 chardev_ss = ss.source_set()
3372 common_ss = ss.source_set()
3373 crypto_ss = ss.source_set()
3374 hwcore_ss = ss.source_set()
3375 io_ss = ss.source_set()
3376 qmp_ss = ss.source_set()
3377 qom_ss = ss.source_set()
3378 system_ss = ss.source_set()
3379 specific_fuzz_ss = ss.source_set()
3380 specific_ss = ss.source_set()
3381 stub_ss = ss.source_set()
3382 trace_ss = ss.source_set()
3383 user_ss = ss.source_set()
3384 util_ss = ss.source_set()
3387 qtest_module_ss = ss.source_set()
3388 tcg_module_ss = ss.source_set()
3394 target_system_arch = {}
3395 target_user_arch = {}
3397 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3398 # that is filled in by qapi/.
3416 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3417 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3420 qom_ss = qom_ss.apply({})
3421 libqom = static_library('qom', qom_ss.sources() + genh,
3422 dependencies: [qom_ss.dependencies()],
3424 build_by_default: false)
3425 qom = declare_dependency(link_whole: libqom)
3427 event_loop_base = files('event-loop-base.c')
3428 event_loop_base = static_library('event-loop-base',
3429 sources: event_loop_base + genh,
3431 build_by_default: false)
3432 event_loop_base = declare_dependency(link_whole: event_loop_base,
3433 dependencies: [qom])
3435 stub_ss = stub_ss.apply({})
3437 util_ss.add_all(trace_ss)
3438 util_ss = util_ss.apply({})
3439 libqemuutil = static_library('qemuutil',
3440 build_by_default: false,
3441 sources: util_ss.sources() + stub_ss.sources() + genh,
3442 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3443 qemuutil = declare_dependency(link_with: libqemuutil,
3444 sources: genh + version_res,
3445 dependencies: [event_loop_base])
3447 if have_system or have_user
3448 decodetree = generator(find_program('scripts/decodetree.py'),
3449 output: 'decode-@BASENAME@.c.inc',
3450 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3451 subdir('libdecnumber')
3468 if config_host_data.get('CONFIG_REPLICATION')
3469 block_ss.add(files('replication.c'))
3476 blockdev_ss.add(files(
3483 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3484 # os-win32.c does not
3485 if host_os == 'windows'
3486 system_ss.add(files('os-win32.c'))
3488 blockdev_ss.add(files('os-posix.c'))
3492 common_ss.add(files('cpu-common.c'))
3493 specific_ss.add(files('cpu-target.c'))
3497 # Work around a gcc bug/misfeature wherein constant propagation looks
3499 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3500 # to guess that a const variable is always zero. Without lto, this is
3501 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3502 # without lto, not even the alias is required -- we simply use different
3503 # declarations in different compilation units.
3504 pagevary = files('page-vary-common.c')
3505 if get_option('b_lto')
3506 pagevary_flags = ['-fno-lto']
3507 if get_option('cfi')
3508 pagevary_flags += '-fno-sanitize=cfi-icall'
3510 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3511 c_args: pagevary_flags)
3512 pagevary = declare_dependency(link_with: pagevary)
3514 common_ss.add(pagevary)
3515 specific_ss.add(files('page-target.c', 'page-vary-target.c'))
3523 subdir('semihosting')
3531 common_user_inc = []
3533 subdir('common-user')
3535 subdir('linux-user')
3537 # needed for fuzzing binaries
3538 subdir('tests/qtest/libqos')
3539 subdir('tests/qtest/fuzz')
3542 tcg_real_module_ss = ss.source_set()
3543 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3544 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3545 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3546 'tcg': tcg_real_module_ss }}
3548 ##############################################
3549 # Internal static_libraries and dependencies #
3550 ##############################################
3552 modinfo_collect = find_program('scripts/modinfo-collect.py')
3553 modinfo_generate = find_program('scripts/modinfo-generate.py')
3558 foreach d, list : modules
3559 if not (d == 'block' ? have_block : have_system)
3563 foreach m, module_ss : list
3565 module_ss = module_ss.apply(config_all_devices, strict: false)
3566 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3567 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3573 if module_ss.sources() != []
3574 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3575 # input. Sources can be used multiple times but objects are
3576 # unique when it comes to lookup in compile_commands.json.
3577 # Depnds on a mesion version with
3578 # https://github.com/mesonbuild/meson/pull/8900
3579 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3580 output: d + '-' + m + '.modinfo',
3581 input: module_ss.sources() + genh,
3583 command: [modinfo_collect, module_ss.sources()])
3587 block_ss.add_all(module_ss)
3589 system_ss.add_all(module_ss)
3595 foreach d, list : target_modules
3596 foreach m, module_ss : list
3598 foreach target : target_dirs
3599 if target.endswith('-softmmu')
3600 config_target = config_target_mak[target]
3601 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3602 c_args = ['-DCOMPILING_PER_TARGET',
3603 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3604 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3605 target_module_ss = module_ss.apply(config_target, strict: false)
3606 if target_module_ss.sources() != []
3607 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3608 sl = static_library(module_name,
3609 [genh, target_module_ss.sources()],
3610 dependencies: [modulecommon, target_module_ss.dependencies()],
3611 include_directories: target_inc,
3615 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3616 modinfo_files += custom_target(module_name + '.modinfo',
3617 output: module_name + '.modinfo',
3618 input: target_module_ss.sources() + genh,
3620 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3625 specific_ss.add_all(module_ss)
3631 foreach target : target_dirs
3632 if target.endswith('-softmmu')
3633 config_target = config_target_mak[target]
3634 config_devices_mak = target + '-config-devices.mak'
3635 modinfo_src = custom_target('modinfo-' + target + '.c',
3636 output: 'modinfo-' + target + '.c',
3637 input: modinfo_files,
3638 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3641 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3642 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3644 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3645 hw_arch[arch].add(modinfo_dep)
3650 nm = find_program('nm')
3651 undefsym = find_program('scripts/undefsym.py')
3652 block_syms = custom_target('block.syms', output: 'block.syms',
3653 input: [libqemuutil, block_mods],
3655 command: [undefsym, nm, '@INPUT@'])
3656 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3657 input: [libqemuutil, system_mods],
3659 command: [undefsym, nm, '@INPUT@'])
3661 authz_ss = authz_ss.apply({})
3662 libauthz = static_library('authz', authz_ss.sources() + genh,
3663 dependencies: [authz_ss.dependencies()],
3665 build_by_default: false)
3667 authz = declare_dependency(link_whole: libauthz,
3670 crypto_ss = crypto_ss.apply({})
3671 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3672 dependencies: [crypto_ss.dependencies()],
3674 build_by_default: false)
3676 crypto = declare_dependency(link_whole: libcrypto,
3677 dependencies: [authz, qom])
3679 io_ss = io_ss.apply({})
3680 libio = static_library('io', io_ss.sources() + genh,
3681 dependencies: [io_ss.dependencies()],
3682 link_with: libqemuutil,
3684 build_by_default: false)
3686 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3688 libmigration = static_library('migration', sources: migration_files + genh,
3690 build_by_default: false)
3691 migration = declare_dependency(link_with: libmigration,
3692 dependencies: [zlib, qom, io])
3693 system_ss.add(migration)
3695 block_ss = block_ss.apply({})
3696 libblock = static_library('block', block_ss.sources() + genh,
3697 dependencies: block_ss.dependencies(),
3698 link_depends: block_syms,
3700 build_by_default: false)
3702 block = declare_dependency(link_whole: [libblock],
3703 link_args: '@block.syms',
3704 dependencies: [crypto, io])
3706 blockdev_ss = blockdev_ss.apply({})
3707 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3708 dependencies: blockdev_ss.dependencies(),
3710 build_by_default: false)
3712 blockdev = declare_dependency(link_whole: [libblockdev],
3713 dependencies: [block, event_loop_base])
3715 qmp_ss = qmp_ss.apply({})
3716 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3717 dependencies: qmp_ss.dependencies(),
3719 build_by_default: false)
3721 qmp = declare_dependency(link_whole: [libqmp])
3723 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3725 dependencies: chardev_ss.dependencies(),
3726 build_by_default: false)
3728 chardev = declare_dependency(link_whole: libchardev)
3730 hwcore_ss = hwcore_ss.apply({})
3731 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3733 build_by_default: false)
3734 hwcore = declare_dependency(link_whole: libhwcore)
3735 common_ss.add(hwcore)
3741 emulator_modules = []
3742 foreach m : block_mods + system_mods
3743 emulator_modules += shared_module(m.name(),
3744 build_by_default: true,
3748 install_dir: qemu_moddir)
3750 if emulator_modules.length() > 0
3751 alias_target('modules', emulator_modules)
3754 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3755 common_ss.add(qom, qemuutil)
3757 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3758 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3760 # Note that this library is never used directly (only through extract_objects)
3761 # and is not built by default; therefore, source files not used by the build
3762 # configuration will be in build.ninja, but are never built by default.
3763 common_all = static_library('common',
3764 build_by_default: false,
3765 sources: common_ss.all_sources() + genh,
3766 include_directories: common_user_inc,
3767 implicit_include_directories: false,
3768 dependencies: common_ss.all_dependencies(),
3771 feature_to_c = find_program('scripts/feature_to_c.py')
3773 if host_os == 'darwin'
3774 entitlement = find_program('scripts/entitlement.sh')
3779 foreach target : target_dirs
3780 config_target = config_target_mak[target]
3781 target_name = config_target['TARGET_NAME']
3782 target_base_arch = config_target['TARGET_BASE_ARCH']
3783 arch_srcs = [config_target_h[target]]
3785 c_args = ['-DCOMPILING_PER_TARGET',
3786 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3787 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3788 link_args = emulator_link_args
3790 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3791 if host_os == 'linux'
3792 target_inc += include_directories('linux-headers', is_system: true)
3794 if target.endswith('-softmmu')
3795 target_type='system'
3796 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3797 arch_srcs += t.sources()
3798 arch_deps += t.dependencies()
3800 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3801 if hw_arch.has_key(hw_dir)
3802 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3803 arch_srcs += hw.sources()
3804 arch_deps += hw.dependencies()
3807 arch_srcs += config_devices_h[target]
3808 link_args += ['@block.syms', '@qemu.syms']
3810 abi = config_target['TARGET_ABI_DIR']
3812 target_inc += common_user_inc
3813 if target_base_arch in target_user_arch
3814 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3815 arch_srcs += t.sources()
3816 arch_deps += t.dependencies()
3818 if 'CONFIG_LINUX_USER' in config_target
3819 base_dir = 'linux-user'
3821 if 'CONFIG_BSD_USER' in config_target
3822 base_dir = 'bsd-user'
3823 target_inc += include_directories('bsd-user/' / host_os)
3824 target_inc += include_directories('bsd-user/host/' / host_arch)
3825 dir = base_dir / abi
3826 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3828 target_inc += include_directories(
3832 if 'CONFIG_LINUX_USER' in config_target
3833 dir = base_dir / abi
3834 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3835 if config_target.has_key('TARGET_SYSTBL_ABI')
3837 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3838 extra_args : config_target['TARGET_SYSTBL_ABI'])
3843 if 'TARGET_XML_FILES' in config_target
3844 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3845 output: target + '-gdbstub-xml.c',
3846 input: files(config_target['TARGET_XML_FILES'].split()),
3847 command: [feature_to_c, '@INPUT@'],
3849 arch_srcs += gdbstub_xml
3852 t = target_arch[target_base_arch].apply(config_target, strict: false)
3853 arch_srcs += t.sources()
3854 arch_deps += t.dependencies()
3856 target_common = common_ss.apply(config_target, strict: false)
3857 objects = common_all.extract_objects(target_common.sources())
3858 arch_deps += target_common.dependencies()
3860 target_specific = specific_ss.apply(config_target, strict: false)
3861 arch_srcs += target_specific.sources()
3862 arch_deps += target_specific.dependencies()
3864 # allow using headers from the dependencies but do not include the sources,
3865 # because this emulator only needs those in "objects". For external
3866 # dependencies, the full dependency is included below in the executable.
3868 foreach dep : arch_deps
3869 lib_deps += dep.partial_dependency(compile_args: true, includes: true)
3872 lib = static_library('qemu-' + target,
3873 sources: arch_srcs + genh,
3874 dependencies: lib_deps,
3876 include_directories: target_inc,
3878 build_by_default: false,
3881 if target.endswith('-softmmu')
3883 'name': 'qemu-system-' + target_name,
3884 'win_subsystem': 'console',
3885 'sources': files('system/main.c'),
3888 if host_os == 'windows' and (sdl.found() or gtk.found())
3890 'name': 'qemu-system-' + target_name + 'w',
3891 'win_subsystem': 'windows',
3892 'sources': files('system/main.c'),
3896 if get_option('fuzzing')
3897 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3899 'name': 'qemu-fuzz-' + target_name,
3900 'win_subsystem': 'console',
3901 'sources': specific_fuzz.sources(),
3902 'dependencies': specific_fuzz.dependencies(),
3907 'name': 'qemu-' + target_name,
3908 'win_subsystem': 'console',
3914 exe_name = exe['name']
3915 if host_os == 'darwin'
3916 exe_name += '-unsigned'
3919 emulator = executable(exe_name, exe['sources'],
3922 dependencies: arch_deps + exe['dependencies'],
3923 objects: lib.extract_all_objects(recursive: true),
3924 link_depends: [block_syms, qemu_syms],
3925 link_args: link_args,
3926 win_subsystem: exe['win_subsystem'])
3928 if host_os == 'darwin'
3929 icon = 'pc-bios/qemu.rsrc'
3930 build_input = [emulator, files(icon)]
3932 get_option('bindir') / exe_name,
3933 meson.current_source_dir() / icon
3935 if 'CONFIG_HVF' in config_target
3936 entitlements = 'accel/hvf/entitlements.plist'
3937 build_input += files(entitlements)
3938 install_input += meson.current_source_dir() / entitlements
3941 emulators += {exe['name'] : custom_target(exe['name'],
3943 output: exe['name'],
3944 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3947 meson.add_install_script(entitlement, '--install',
3948 get_option('bindir') / exe['name'],
3951 emulators += {exe['name']: emulator}
3956 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
3962 # Other build targets
3964 if get_option('plugins')
3965 install_headers('include/qemu/qemu-plugin.h')
3966 if host_os == 'windows'
3967 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3968 # so that plugin authors can compile against it.
3969 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3975 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3976 # when we don't build tools or system
3977 if xkbcommon.found()
3978 # used for the update-keymaps target, so include rules even if !have_tools
3979 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3980 dependencies: [qemuutil, xkbcommon], install: have_tools)
3984 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3985 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3986 qemu_io = executable('qemu-io', files('qemu-io.c'),
3987 dependencies: [block, qemuutil], install: true)
3988 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3989 dependencies: [blockdev, qemuutil, gnutls, selinux],
3992 subdir('storage-daemon')
3994 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
3997 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4001 subdir('contrib/elf2dmp')
4003 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4004 dependencies: qemuutil,
4008 subdir('contrib/vhost-user-blk')
4009 subdir('contrib/vhost-user-gpu')
4010 subdir('contrib/vhost-user-input')
4011 subdir('contrib/vhost-user-scsi')
4014 if host_os == 'linux'
4015 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4016 dependencies: [qemuutil, libcap_ng],
4018 install_dir: get_option('libexecdir'))
4020 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4021 dependencies: [authz, crypto, io, qom, qemuutil,
4022 libcap_ng, mpathpersist],
4027 subdir('contrib/ivshmem-client')
4028 subdir('contrib/ivshmem-server')
4033 foreach t: traceable
4035 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4036 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4037 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4038 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4041 tracetool, '--group=all', '--format=' + stp['fmt'],
4042 '--binary=' + stp['bin'],
4043 '--probe-prefix=' + t['probe-prefix'],
4044 '@INPUT@', '@OUTPUT@'
4047 custom_target(t['exe'] + stp['ext'],
4048 input: trace_events_all,
4049 output: t['exe'] + stp['ext'],
4050 install: stp['install'],
4051 install_dir: get_option('datadir') / 'systemtap/tapset',
4053 depend_files: tracetool_depends)
4067 if host_machine.system() == 'windows'
4069 find_program('scripts/nsis.py'),
4071 get_option('prefix'),
4072 meson.current_source_dir(),
4073 glib_pc.get_variable('bindir'),
4076 '-DDISPLAYVERSION=' + meson.project_version(),
4079 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4082 nsis_cmd += '-DCONFIG_GTK=y'
4085 nsis = custom_target('nsis',
4086 output: 'qemu-setup-' + meson.project_version() + '.exe',
4087 input: files('qemu.nsi'),
4088 build_always_stale: true,
4089 command: nsis_cmd + ['@INPUT@'])
4090 alias_target('installer', nsis)
4093 #########################
4094 # Configuration summary #
4095 #########################
4099 summary_info += {'Build directory': meson.current_build_dir()}
4100 summary_info += {'Source path': meson.current_source_dir()}
4101 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4102 summary(summary_info, bool_yn: true, section: 'Build environment')
4105 summary_info += {'Install prefix': get_option('prefix')}
4106 summary_info += {'BIOS directory': qemu_datadir}
4107 pathsep = host_os == 'windows' ? ';' : ':'
4108 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4109 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4110 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4111 summary_info += {'module directory': qemu_moddir}
4112 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4113 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4114 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4115 if host_os != 'windows'
4116 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4117 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4119 summary_info += {'local state directory': 'queried at runtime'}
4121 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4122 summary(summary_info, bool_yn: true, section: 'Directories')
4126 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4127 summary_info += {'sphinx-build': sphinx_build}
4129 # FIXME: the [binaries] section of machine files, which can be probed
4130 # with find_program(), would be great for passing gdb and genisoimage
4131 # paths from configure to Meson. However, there seems to be no way to
4132 # hide a program (for example if gdb is too old).
4133 if config_host.has_key('GDB')
4134 summary_info += {'gdb': config_host['GDB']}
4136 summary_info += {'iasl': iasl}
4137 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4138 if host_os == 'windows' and have_ga
4139 summary_info += {'wixl': wixl}
4141 if slirp.found() and have_system
4142 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4144 summary(summary_info, bool_yn: true, section: 'Host binaries')
4146 # Configurable features
4148 summary_info += {'Documentation': build_docs}
4149 summary_info += {'system-mode emulation': have_system}
4150 summary_info += {'user-mode emulation': have_user}
4151 summary_info += {'block layer': have_block}
4152 summary_info += {'Install blobs': get_option('install_blobs')}
4153 summary_info += {'module support': enable_modules}
4155 summary_info += {'alternative module path': get_option('module_upgrades')}
4157 summary_info += {'fuzzing support': get_option('fuzzing')}
4159 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4161 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4162 if 'simple' in get_option('trace_backends')
4163 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4165 summary_info += {'D-Bus display': dbus_display}
4166 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4167 summary_info += {'Relocatable install': get_option('relocatable')}
4168 summary_info += {'vhost-kernel support': have_vhost_kernel}
4169 summary_info += {'vhost-net support': have_vhost_net}
4170 summary_info += {'vhost-user support': have_vhost_user}
4171 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4172 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4173 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4174 summary_info += {'build guest agent': have_ga}
4175 summary(summary_info, bool_yn: true, section: 'Configurable features')
4177 # Compilation information
4179 summary_info += {'host CPU': cpu}
4180 summary_info += {'host endianness': build_machine.endian()}
4181 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4182 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4183 if 'cpp' in all_languages
4184 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4186 summary_info += {'C++ compiler': false}
4188 if 'objc' in all_languages
4189 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4191 summary_info += {'Objective-C compiler': false}
4193 option_cflags = (get_option('debug') ? ['-g'] : [])
4194 if get_option('optimization') != 'plain'
4195 option_cflags += ['-O' + get_option('optimization')]
4197 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4198 if 'cpp' in all_languages
4199 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4201 if 'objc' in all_languages
4202 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4204 link_args = get_option('c_link_args')
4205 if link_args.length() > 0
4206 summary_info += {'LDFLAGS': ' '.join(link_args)}
4208 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4209 if 'cpp' in all_languages
4210 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4212 if 'objc' in all_languages
4213 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4215 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4216 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4217 summary_info += {'PIE': get_option('b_pie')}
4218 summary_info += {'static build': get_option('prefer_static')}
4219 summary_info += {'malloc trim support': has_malloc_trim}
4220 summary_info += {'membarrier': have_membarrier}
4221 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4222 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4223 summary_info += {'mutex debugging': get_option('debug_mutex')}
4224 summary_info += {'memory allocator': get_option('malloc')}
4225 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4226 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4227 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4228 summary_info += {'gcov': get_option('b_coverage')}
4229 summary_info += {'thread sanitizer': get_option('tsan')}
4230 summary_info += {'CFI support': get_option('cfi')}
4231 if get_option('cfi')
4232 summary_info += {'CFI debug support': get_option('cfi_debug')}
4234 summary_info += {'strip binaries': get_option('strip')}
4235 summary_info += {'sparse': sparse}
4236 summary_info += {'mingw32 support': host_os == 'windows'}
4237 summary(summary_info, bool_yn: true, section: 'Compilation')
4239 # snarf the cross-compilation information for tests
4242 foreach target: target_dirs
4243 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4244 if fs.exists(tcg_mak)
4245 config_cross_tcg = keyval.load(tcg_mak)
4246 if 'CC' in config_cross_tcg
4247 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4253 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4256 # Targets and accelerators
4259 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4260 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4261 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4262 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4263 summary_info += {'Xen support': xen.found()}
4265 summary_info += {'xen ctrl version': xen.version()}
4267 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4269 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4270 if config_all_accel.has_key('CONFIG_TCG')
4271 if get_option('tcg_interpreter')
4272 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4274 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4276 summary_info += {'TCG plugins': get_option('plugins')}
4277 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4278 if have_linux_user or have_bsd_user
4279 summary_info += {'syscall buffer debugging support': get_option('debug_remap')}
4282 summary_info += {'target list': ' '.join(target_dirs)}
4284 summary_info += {'default devices': get_option('default_devices')}
4285 summary_info += {'out of process emulation': multiprocess_allowed}
4286 summary_info += {'vfio-user server': vfio_user_server_allowed}
4288 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4292 summary_info += {'coroutine backend': coroutine_backend}
4293 summary_info += {'coroutine pool': have_coroutine_pool}
4295 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4296 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4297 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4298 summary_info += {'VirtFS (9P) support': have_virtfs}
4299 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
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 == 'internal' ? 'internal' : fdt}
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.')