1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
16 not_found = dependency('', required: false)
17 keyval = import('keyval')
18 ss = import('sourceset')
21 host_os = host_machine.system()
22 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
31 if get_option('qemu_suffix').startswith('/')
32 error('qemu_suffix cannot start with a /')
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
44 qapi_trace_events = []
46 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
47 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
48 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
49 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
51 cpu = host_machine.cpu_family()
53 target_dirs = config_host['TARGET_DIRS'].split()
59 sh = find_program('sh')
60 python = import('python').find_installation()
62 cc = meson.get_compiler('c')
64 if host_os == 'windows' and add_languages('cpp', required: false, native: false)
65 all_languages += ['cpp']
66 cxx = meson.get_compiler('cpp')
68 if host_os == 'darwin' and \
69 add_languages('objc', required: get_option('cocoa'), native: false)
70 all_languages += ['objc']
71 objc = meson.get_compiler('objc')
76 if 'dtrace' in get_option('trace_backends')
77 dtrace = find_program('dtrace', required: true)
78 stap = find_program('stap', required: false)
80 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
81 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
82 # instead. QEMU --enable-modules depends on this because the SystemTap
83 # semaphores are linked into the main binary and not the module's shared
85 add_global_arguments('-DSTAP_SDT_V2',
86 native: false, language: all_languages)
90 if get_option('iasl') == ''
91 iasl = find_program('iasl', required: false)
93 iasl = find_program(get_option('iasl'), required: true)
96 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
97 unpack_edk2_blobs = false
98 foreach target : edk2_targets
99 if target in target_dirs
100 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
101 unpack_edk2_blobs = bzip2.found()
106 #####################
107 # Option validation #
108 #####################
111 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
114 #include <sys/types.h>
115 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
116 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
118 args: ['-Werror', '-fsanitize=fuzzer'])
119 error('Your compiler does not support -fsanitize=fuzzer')
123 if 'ftrace' in get_option('trace_backends') and host_os != 'linux'
124 error('ftrace is supported only on Linux')
126 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
129 openlog("qemu", LOG_PID, LOG_DAEMON);
130 syslog(LOG_INFO, "configure");
133 error('syslog is not supported on this system')
136 # Miscellaneous Linux-only features
137 get_option('mpath') \
138 .require(host_os == 'linux', error_message: 'Multipath is supported only on Linux')
140 multiprocess_allowed = get_option('multiprocess') \
141 .require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
144 vfio_user_server_allowed = get_option('vfio_user_server') \
145 .require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \
148 have_tpm = get_option('tpm') \
149 .require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
153 have_vhost_user = get_option('vhost_user') \
154 .disable_auto_if(host_os != 'linux') \
155 .require(host_os != 'windows',
156 error_message: 'vhost-user is not available on Windows').allowed()
157 have_vhost_vdpa = get_option('vhost_vdpa') \
158 .require(host_os == 'linux',
159 error_message: 'vhost-vdpa is only available on Linux').allowed()
160 have_vhost_kernel = get_option('vhost_kernel') \
161 .require(host_os == 'linux',
162 error_message: 'vhost-kernel is only available on Linux').allowed()
163 have_vhost_user_crypto = get_option('vhost_crypto') \
164 .require(have_vhost_user,
165 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
167 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
169 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
170 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
171 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
172 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
174 # type of binaries to build
175 have_linux_user = false
176 have_bsd_user = false
178 foreach target : target_dirs
179 have_linux_user = have_linux_user or target.endswith('linux-user')
180 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
181 have_system = have_system or target.endswith('-softmmu')
183 have_user = have_linux_user or have_bsd_user
185 have_tools = get_option('tools') \
186 .disable_auto_if(not have_system) \
188 have_ga = get_option('guest_agent') \
189 .disable_auto_if(not have_system and not have_tools) \
190 .require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
191 error_message: 'unsupported OS for QEMU guest agent') \
193 have_block = have_system or have_tools
195 enable_modules = get_option('modules') \
196 .require(host_os != 'windows',
197 error_message: 'Modules are not available for Windows') \
198 .require(not get_option('prefer_static'),
199 error_message: 'Modules are incompatible with static linking') \
202 #######################################
203 # Variables for host and accelerators #
204 #######################################
206 if cpu not in supported_cpus
207 host_arch = 'unknown'
212 elif cpu in ['riscv32', 'riscv64']
218 if cpu in ['x86', 'x86_64']
219 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
220 elif cpu == 'aarch64'
221 kvm_targets = ['aarch64-softmmu']
223 kvm_targets = ['s390x-softmmu']
224 elif cpu in ['ppc', 'ppc64']
225 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
226 elif cpu in ['mips', 'mips64']
227 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
228 elif cpu in ['riscv32']
229 kvm_targets = ['riscv32-softmmu']
230 elif cpu in ['riscv64']
231 kvm_targets = ['riscv64-softmmu']
232 elif cpu in ['loongarch64']
233 kvm_targets = ['loongarch64-softmmu']
237 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
239 if cpu in ['x86', 'x86_64']
240 xen_targets = ['i386-softmmu', 'x86_64-softmmu']
241 elif cpu in ['arm', 'aarch64']
242 # i386 emulator provides xenpv machine type for multiple architectures
243 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
247 accelerator_targets += { 'CONFIG_XEN': xen_targets }
249 if cpu in ['aarch64']
250 accelerator_targets += {
251 'CONFIG_HVF': ['aarch64-softmmu']
255 if cpu in ['x86', 'x86_64']
256 accelerator_targets += {
257 'CONFIG_HVF': ['x86_64-softmmu'],
258 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
259 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
264 # Darwin does not support references to thread-local variables in modules
265 if host_os != 'darwin'
266 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
273 foreach lang : all_languages
274 compiler = meson.get_compiler(lang)
275 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
277 elif compiler.get_id() == 'clang' and compiler.compiles('''
278 #ifdef __apple_build_version__
279 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
280 # error You need at least XCode Clang v12.0 to compile QEMU
283 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
284 # error You need at least Clang v10.0 to compile QEMU
289 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
293 # default flags for all hosts
294 # We use -fwrapv to tell the compiler that we require a C dialect where
295 # left shift of signed integers is well defined and has the expected
296 # 2s-complement style results. (Both clang and gcc agree that it
297 # provides these semantics.)
299 qemu_common_flags = [
300 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
301 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
305 if host_os == 'darwin'
306 # Disable attempts to use ObjectiveC features in os/object.h since they
307 # won't work when we're compiling with gcc as a C compiler.
308 if compiler.get_id() == 'gcc'
309 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
311 elif host_os == 'sunos'
312 # needed for CMSG_ macros in sys/socket.h
313 qemu_common_flags += '-D_XOPEN_SOURCE=600'
314 # needed for TIOCWIN* defines in termios.h
315 qemu_common_flags += '-D__EXTENSIONS__'
316 elif host_os == 'haiku'
317 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
320 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
321 # use i686 as default anyway, but for those that don't, an explicit
322 # specification is necessary
323 if host_arch == 'i386' and not cc.links('''
324 static int sfaa(int *ptr)
326 return __sync_fetch_and_and(ptr, 0);
332 val = __sync_val_compare_and_swap(&val, 0, 1);
336 qemu_common_flags = ['-march=i486'] + qemu_common_flags
339 if get_option('prefer_static')
340 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
343 # Meson currently only handles pie as a boolean for now, so if the user
344 # has explicitly disabled PIE we need to extend our cflags.
346 # -no-pie is supposedly a linker flag that has no effect on the compiler
347 # command line, but some distros, that didn't quite know what they were
348 # doing, made local changes to gcc's specs file that turned it into
349 # a compiler command-line flag.
351 # What about linker flags? For a static build, no PIE is implied by -static
352 # which we added above (and if it's not because of the same specs patching,
353 # there's nothing we can do: compilation will fail, report a bug to your
354 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
355 # instead, we can't add -no-pie because it overrides -shared: the linker then
356 # tries to build an executable instead of a shared library and fails. So
357 # don't add -no-pie anywhere and cross fingers. :(
358 if not get_option('b_pie')
359 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
362 if not get_option('stack_protector').disabled()
363 stack_protector_probe = '''
364 int main(int argc, char *argv[])
366 char arr[64], *p = arr, *c = argv[argc - 1];
372 have_stack_protector = false
373 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
374 # We need to check both a compile and a link, since some compiler
375 # setups fail only on a .c->.o compile and some only at link time
376 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
377 cc.links(stack_protector_probe, args: ['-Werror', arg])
378 have_stack_protector = true
384 get_option('stack_protector') \
385 .require(have_stack_protector, error_message: 'Stack protector not supported')
388 coroutine_backend = get_option('coroutine_backend')
390 #include <ucontext.h>
391 #ifdef __stub_makecontext
392 #error Ignoring glibc stub makecontext which will always fail
394 int main(void) { makecontext(0, 0, 0); return 0; }'''
396 # On Windows the only valid backend is the Windows specific one.
397 # For POSIX prefer ucontext, but it's not always possible. The fallback
399 supported_backends = []
400 if host_os == 'windows'
401 supported_backends += ['windows']
403 if host_os != 'darwin' and cc.links(ucontext_probe)
404 supported_backends += ['ucontext']
406 supported_backends += ['sigaltstack']
409 if coroutine_backend == 'auto'
410 coroutine_backend = supported_backends[0]
411 elif coroutine_backend not in supported_backends
412 error('"@0@" backend requested but not available. Available backends: @1@' \
413 .format(coroutine_backend, ', '.join(supported_backends)))
416 # Compiles if SafeStack *not* enabled
417 safe_stack_probe = '''
420 #if defined(__has_feature)
421 #if __has_feature(safe_stack)
422 #error SafeStack Enabled
427 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
428 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
429 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
430 error(get_option('safe_stack') \
431 ? 'SafeStack not supported by your compiler' \
432 : 'Cannot disable SafeStack')
434 qemu_cflags += safe_stack_arg
435 qemu_ldflags += safe_stack_arg
437 if get_option('safe_stack') and coroutine_backend != 'ucontext'
438 error('SafeStack is only supported with the ucontext coroutine backend')
441 if get_option('sanitizers')
442 if cc.has_argument('-fsanitize=address')
443 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
444 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
447 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
448 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
449 args: [qemu_ldflags, '-fsanitize=undefined'])
450 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
451 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
455 # Thread sanitizer is, for now, much noisier than the other sanitizers;
456 # keep it separate until that is not the case.
457 if get_option('tsan')
458 if get_option('sanitizers')
459 error('TSAN is not supported with other sanitizers')
461 if not cc.has_function('__tsan_create_fiber',
462 args: '-fsanitize=thread',
463 prefix: '#include <sanitizer/tsan_interface.h>')
464 error('Cannot enable TSAN due to missing fiber annotation interface')
466 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
467 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
470 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
471 # The combination is known as "full relro", because .got.plt is read-only too.
472 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
474 if host_os == 'windows'
475 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
476 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
479 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
480 if host_os != 'sunos' and not get_option('tsan')
481 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--warn-common')
484 if get_option('fuzzing')
485 # Specify a filter to only instrument code that is directly related to
487 configure_file(output: 'instrumentation-filter',
488 input: 'scripts/oss-fuzz/instrumentation-filter-template',
491 if cc.compiles('int main () { return 0; }',
492 name: '-fsanitize-coverage-allowlist=/dev/null',
493 args: ['-fsanitize-coverage-allowlist=/dev/null',
494 '-fsanitize-coverage=trace-pc'] )
495 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
498 if get_option('fuzzing_engine') == ''
499 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
500 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
501 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
502 # unable to bind the fuzzer-related callbacks added by instrumentation.
503 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
504 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
505 # For the actual fuzzer binaries, we need to link against the libfuzzer
506 # library. They need to be configurable, to support OSS-Fuzz
507 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
509 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
510 # the needed CFLAGS have already been provided
511 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
517 # Check for dependency on LTO
518 if not get_option('b_lto')
519 error('Selected Control-Flow Integrity but LTO is disabled')
522 error('Selected Control-Flow Integrity is not compatible with modules')
524 # Check for cfi flags. CFI requires LTO so we can't use
525 # get_supported_arguments, but need a more complex "compiles" which allows
527 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
528 args: ['-flto', '-fsanitize=cfi-icall'] )
529 cfi_flags += '-fsanitize=cfi-icall'
531 error('-fsanitize=cfi-icall is not supported by the compiler')
533 if cc.compiles('int main () { return 0; }',
534 name: '-fsanitize-cfi-icall-generalize-pointers',
535 args: ['-flto', '-fsanitize=cfi-icall',
536 '-fsanitize-cfi-icall-generalize-pointers'] )
537 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
539 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
541 if get_option('cfi_debug')
542 if cc.compiles('int main () { return 0; }',
543 name: '-fno-sanitize-trap=cfi-icall',
544 args: ['-flto', '-fsanitize=cfi-icall',
545 '-fno-sanitize-trap=cfi-icall'] )
546 cfi_flags += '-fno-sanitize-trap=cfi-icall'
548 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
551 add_global_arguments(cfi_flags, native: false, language: all_languages)
552 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
555 # Check further flags that make QEMU more robust against malicious parties
558 # Initialize all stack variables to zero. This makes
559 # it harder to take advantage of uninitialized stack
560 # data to drive exploits
561 '-ftrivial-auto-var-init=zero',
564 # Zero out registers used during a function call
565 # upon its return. This makes it harder to assemble
566 # ROP gadgets into something usable
568 # NB: Clang 17 is broken and SEGVs
569 # https://github.com/llvm/llvm-project/issues/75168
570 if cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
571 name: '-fzero-call-used-regs=used-gpr',
572 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
573 hardening_flags += '-fzero-call-used-regs=used-gpr'
576 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
578 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
579 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
581 # Collect warning flags we want to set, sorted alphabetically
583 # First enable interesting warnings
586 '-Wexpansion-to-defined',
589 '-Wignored-qualifiers',
590 '-Wimplicit-fallthrough=2',
592 '-Wmissing-format-attribute',
593 '-Wmissing-prototypes',
595 '-Wold-style-declaration',
596 '-Wold-style-definition',
599 '-Wstrict-prototypes',
605 # Then disable some undesirable warnings
606 '-Wno-gnu-variable-sized-type-not-at-end',
607 '-Wno-initializer-overrides',
608 '-Wno-missing-include-dirs',
610 '-Wno-shift-negative-value',
611 '-Wno-string-plus-int',
612 '-Wno-tautological-type-limit-compare',
613 '-Wno-typedef-redefinition',
616 if host_os != 'darwin'
617 warn_flags += ['-Wthread-safety']
620 # Set up C++ compiler flags
622 if 'cpp' in all_languages
623 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
626 add_project_arguments(qemu_cflags, native: false, language: 'c')
627 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
628 if 'cpp' in all_languages
629 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
630 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
632 if 'objc' in all_languages
633 # Note sanitizer flags are not applied to Objective-C sources!
634 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
636 if host_os == 'linux'
637 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
638 '-isystem', 'linux-headers',
639 language: all_languages)
642 add_project_arguments('-iquote', '.',
643 '-iquote', meson.current_source_dir(),
644 '-iquote', meson.current_source_dir() / 'include',
645 language: all_languages)
647 # If a host-specific include directory exists, list that first...
648 host_include = meson.current_source_dir() / 'host/include/'
649 if fs.is_dir(host_include / host_arch)
650 add_project_arguments('-iquote', host_include / host_arch,
651 language: all_languages)
653 # ... followed by the generic fallback.
654 add_project_arguments('-iquote', host_include / 'generic',
655 language: all_languages)
657 sparse = find_program('cgcc', required: get_option('sparse'))
660 command: [find_program('scripts/check_sparse.py'),
661 'compile_commands.json', sparse.full_path(), '-Wbitwise',
662 '-Wno-transparent-union', '-Wno-old-initializer',
663 '-Wno-non-pointer-null'])
666 #####################################
667 # Host-specific libraries and flags #
668 #####################################
670 libm = cc.find_library('m', required: false)
671 threads = dependency('threads')
672 util = cc.find_library('util', required: false)
678 emulator_link_args = []
683 if host_os == 'windows'
684 midl = find_program('midl', required: false)
685 widl = find_program('widl', required: false)
686 pathcch = cc.find_library('pathcch')
687 socket = cc.find_library('ws2_32')
688 winmm = cc.find_library('winmm')
690 win = import('windows')
691 version_res = win.compile_resources('version.rc',
692 depend_files: files('pc-bios/qemu-nsis.ico'),
693 include_directories: include_directories('.'))
695 elif host_os == 'darwin'
696 coref = dependency('appleframeworks', modules: 'CoreFoundation')
697 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
698 host_dsosuf = '.dylib'
699 elif host_os == 'sunos'
700 socket = [cc.find_library('socket'),
701 cc.find_library('nsl'),
702 cc.find_library('resolv')]
703 elif host_os == 'haiku'
704 socket = [cc.find_library('posix_error_mapper'),
705 cc.find_library('network'),
706 cc.find_library('bsd')]
707 elif host_os == 'openbsd'
708 if get_option('tcg').allowed() and target_dirs.length() > 0
709 # Disable OpenBSD W^X if available
710 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
714 ###############################################
715 # Host-specific configuration of accelerators #
716 ###############################################
719 if get_option('kvm').allowed() and host_os == 'linux'
720 accelerators += 'CONFIG_KVM'
722 if get_option('whpx').allowed() and host_os == 'windows'
723 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
724 error('WHPX requires 64-bit host')
725 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
726 cc.has_header('winhvemulation.h', required: get_option('whpx'))
727 accelerators += 'CONFIG_WHPX'
732 if get_option('hvf').allowed()
733 hvf = dependency('appleframeworks', modules: 'Hypervisor',
734 required: get_option('hvf'))
736 accelerators += 'CONFIG_HVF'
741 if host_os == 'netbsd'
742 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
744 accelerators += 'CONFIG_NVMM'
749 if get_option('tcg').allowed()
750 if host_arch == 'unknown'
751 if not get_option('tcg_interpreter')
752 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
754 elif get_option('tcg_interpreter')
755 warning('Use of the TCG interpreter is not recommended on this host')
756 warning('architecture. There is a native TCG execution backend available')
757 warning('which provides substantially better performance and reliability.')
758 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
759 warning('configuration option on this architecture to use the native')
762 if get_option('tcg_interpreter')
764 elif host_arch == 'x86_64'
766 elif host_arch == 'ppc64'
769 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
770 language: all_languages)
772 accelerators += 'CONFIG_TCG'
775 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
776 error('KVM not available on this platform')
778 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
779 error('HVF not available on this platform')
781 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
782 error('NVMM not available on this platform')
784 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
785 error('WHPX not available on this platform')
789 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
790 xencontrol = dependency('xencontrol', required: false,
791 method: 'pkg-config')
792 if xencontrol.found()
793 xen_pc = declare_dependency(version: xencontrol.version(),
796 # disabler: true makes xen_pc.found() return false if any is not found
797 dependency('xenstore', required: false,
798 method: 'pkg-config',
800 dependency('xenforeignmemory', required: false,
801 method: 'pkg-config',
803 dependency('xengnttab', required: false,
804 method: 'pkg-config',
806 dependency('xenevtchn', required: false,
807 method: 'pkg-config',
809 dependency('xendevicemodel', required: false,
810 method: 'pkg-config',
812 # optional, no "disabler: true"
813 dependency('xentoolcore', required: false,
814 method: 'pkg-config')])
820 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
822 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
823 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
824 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
825 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
826 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
829 foreach ver: xen_tests
830 # cache the various library tests to avoid polluting the logs
832 foreach l: xen_libs[ver]
834 xen_deps += { l: cc.find_library(l, required: false) }
836 xen_test_deps += xen_deps[l]
839 # Use -D to pick just one of the test programs in scripts/xen-detect.c
840 xen_version = ver.split('.')
841 xen_ctrl_version = xen_version[0] + \
842 ('0' + xen_version[1]).substring(-2) + \
843 ('0' + xen_version[2]).substring(-2)
844 if cc.links(files('scripts/xen-detect.c'),
845 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
846 dependencies: xen_test_deps)
847 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
853 accelerators += 'CONFIG_XEN'
854 elif get_option('xen').enabled()
855 error('could not compile and link Xen test program')
858 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
859 .require(xen.found(),
860 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
861 .require(host_os == 'linux',
862 error_message: 'Xen PCI passthrough not available on this platform') \
863 .require(cpu == 'x86' or cpu == 'x86_64',
864 error_message: 'Xen PCI passthrough not available on this platform') \
871 # When bumping glib minimum version, please check also whether to increase
872 # the _WIN32_WINNT setting in osdep.h according to the value from glib
873 glib_req_ver = '>=2.56.0'
874 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
875 method: 'pkg-config')
878 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
879 method: 'pkg-config')
880 elif get_option('plugins')
881 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
882 method: 'pkg-config')
887 # This workaround is required due to a bug in pkg-config file for glib as it
888 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
889 if host_os == 'windows' and get_option('prefer_static')
890 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
893 # Sanity check that the current size_t matches the
894 # size that glib thinks it should be. This catches
895 # problems on multi-arch where people try to build
896 # 32-bit QEMU while pointing at 64-bit glib headers
898 if not cc.compiles('''
902 #define QEMU_BUILD_BUG_ON(x) \
903 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
906 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
908 }''', dependencies: glib_pc, args: glib_cflags)
909 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
910 You probably need to set PKG_CONFIG_LIBDIR" to point
911 to the right pkg-config files for your build target.''')
914 # Silence clang warnings triggered by glib < 2.57.2
915 if not cc.compiles('''
920 static void foo_free(Foo *f)
924 G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
925 int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Wunused-function', '-Werror'])
926 glib_cflags += cc.get_supported_arguments('-Wno-unused-function')
928 glib = declare_dependency(dependencies: [glib_pc, gmodule],
929 compile_args: glib_cflags,
930 version: glib_pc.version())
932 # Check whether glib has gslice, which we have to avoid for correctness.
933 # TODO: remove this check and the corresponding workaround (qtree) when
934 # the minimum supported glib is >= 2.75.3
935 glib_has_gslice = glib.version().version_compare('<2.75.3')
937 # override glib dep to include the above refinements
938 meson.override_dependency('glib-2.0', glib)
940 # The path to glib.h is added to all compilation commands.
941 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
942 native: false, language: all_languages)
945 gdbus_codegen = not_found
946 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
947 if not get_option('gio').auto() or have_system
948 gio = dependency('gio-2.0', required: get_option('gio'),
949 method: 'pkg-config')
950 if gio.found() and not cc.links('''
954 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
956 }''', dependencies: [glib, gio])
957 if get_option('gio').enabled()
958 error('The installed libgio is broken for static linking')
963 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
964 required: get_option('gio'))
965 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
966 method: 'pkg-config')
967 gio = declare_dependency(dependencies: [gio, gio_unix],
968 version: gio.version())
971 if gdbus_codegen.found() and get_option('cfi')
972 gdbus_codegen = not_found
973 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
976 xml_pp = find_program('scripts/xml-preprocess.py')
979 if 'ust' in get_option('trace_backends')
980 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
981 method: 'pkg-config')
984 if not get_option('pixman').auto() or have_system or have_tools
985 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
986 method: 'pkg-config')
989 zlib = dependency('zlib', required: true)
992 if not get_option('linux_aio').auto() or have_block
993 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
994 required: get_option('linux_aio'))
997 linux_io_uring_test = '''
998 #include <liburing.h>
999 #include <linux/errqueue.h>
1001 int main(void) { return 0; }'''
1003 linux_io_uring = not_found
1004 if not get_option('linux_io_uring').auto() or have_block
1005 linux_io_uring = dependency('liburing', version: '>=0.3',
1006 required: get_option('linux_io_uring'),
1007 method: 'pkg-config')
1008 if not cc.links(linux_io_uring_test)
1009 linux_io_uring = not_found
1014 if not get_option('libnfs').auto() or have_block
1015 libnfs = dependency('libnfs', version: '>=1.9.3',
1016 required: get_option('libnfs'),
1017 method: 'pkg-config')
1022 #include <sys/types.h>
1023 #ifdef CONFIG_LIBATTR
1024 #include <attr/xattr.h>
1026 #include <sys/xattr.h>
1028 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1031 have_old_libattr = false
1032 if get_option('attr').allowed()
1033 if cc.links(libattr_test)
1034 libattr = declare_dependency()
1036 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1037 required: get_option('attr'))
1038 if libattr.found() and not \
1039 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1041 if get_option('attr').enabled()
1042 error('could not link libattr')
1044 warning('could not link libattr, disabling')
1047 have_old_libattr = libattr.found()
1052 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1053 required: get_option('cocoa'))
1055 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1056 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1057 'VMNET_BRIDGED_MODE',
1058 dependencies: vmnet)
1060 if get_option('vmnet').enabled()
1061 error('vmnet.framework API is outdated')
1063 warning('vmnet.framework API is outdated, disabling')
1068 seccomp_has_sysrawrc = false
1069 if not get_option('seccomp').auto() or have_system or have_tools
1070 seccomp = dependency('libseccomp', version: '>=2.3.0',
1071 required: get_option('seccomp'),
1072 method: 'pkg-config')
1074 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1075 'SCMP_FLTATR_API_SYSRAWRC',
1076 dependencies: seccomp)
1080 libcap_ng = not_found
1081 if not get_option('cap_ng').auto() or have_system or have_tools
1082 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1083 required: get_option('cap_ng'))
1085 if libcap_ng.found() and not cc.links('''
1089 capng_capability_to_name(CAPNG_EFFECTIVE);
1091 }''', dependencies: libcap_ng)
1092 libcap_ng = not_found
1093 if get_option('cap_ng').enabled()
1094 error('could not link libcap-ng')
1096 warning('could not link libcap-ng, disabling')
1100 if get_option('xkbcommon').auto() and not have_system and not have_tools
1101 xkbcommon = not_found
1103 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1104 method: 'pkg-config')
1108 if not get_option('slirp').auto() or have_system
1109 slirp = dependency('slirp', required: get_option('slirp'),
1110 method: 'pkg-config')
1111 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1112 # it passes function pointers within libslirp as callbacks for timers.
1113 # When using a system-wide shared libslirp, the type information for the
1114 # callback is missing and the timer call produces a false positive with CFI.
1115 # Do not use the "version" keyword argument to produce a better error.
1116 # with control-flow integrity.
1117 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1118 if get_option('slirp').enabled()
1119 error('Control-Flow Integrity requires libslirp 4.7.')
1121 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1128 if not get_option('vde').auto() or have_system or have_tools
1129 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1130 required: get_option('vde'))
1132 if vde.found() and not cc.links('''
1133 #include <libvdeplug.h>
1136 struct vde_open_args a = {0, 0, 0};
1140 }''', dependencies: vde)
1142 if get_option('cap_ng').enabled()
1143 error('could not link libvdeplug')
1145 warning('could not link libvdeplug, disabling')
1150 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1151 pulse = dependency('libpulse', required: get_option('pa'),
1152 method: 'pkg-config')
1155 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1156 alsa = dependency('alsa', required: get_option('alsa'),
1157 method: 'pkg-config')
1160 if not get_option('jack').auto() or have_system
1161 jack = dependency('jack', required: get_option('jack'),
1162 method: 'pkg-config')
1164 pipewire = not_found
1165 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1166 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1167 required: get_option('pipewire'),
1168 method: 'pkg-config')
1171 if not get_option('sndio').auto() or have_system
1172 sndio = dependency('sndio', required: get_option('sndio'),
1173 method: 'pkg-config')
1176 spice_protocol = not_found
1177 if not get_option('spice_protocol').auto() or have_system
1178 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1179 required: get_option('spice_protocol'),
1180 method: 'pkg-config')
1183 if get_option('spice') \
1184 .disable_auto_if(not have_system) \
1185 .require(pixman.found(),
1186 error_message: 'cannot enable SPICE if pixman is not available') \
1188 spice = dependency('spice-server', version: '>=0.14.0',
1189 required: get_option('spice'),
1190 method: 'pkg-config')
1192 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1194 rt = cc.find_library('rt', required: false)
1196 libiscsi = not_found
1197 if not get_option('libiscsi').auto() or have_block
1198 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1199 required: get_option('libiscsi'),
1200 method: 'pkg-config')
1203 if not get_option('zstd').auto() or have_block
1204 zstd = dependency('libzstd', version: '>=1.4.0',
1205 required: get_option('zstd'),
1206 method: 'pkg-config')
1210 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1211 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1212 virgl = dependency('virglrenderer',
1213 method: 'pkg-config',
1214 required: get_option('virglrenderer'))
1216 rutabaga = not_found
1217 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1218 rutabaga = dependency('rutabaga_gfx_ffi',
1219 method: 'pkg-config',
1220 required: get_option('rutabaga_gfx'))
1223 if not get_option('blkio').auto() or have_block
1224 blkio = dependency('blkio',
1225 method: 'pkg-config',
1226 required: get_option('blkio'))
1229 if not get_option('curl').auto() or have_block
1230 curl = dependency('libcurl', version: '>=7.29.0',
1231 method: 'pkg-config',
1232 required: get_option('curl'))
1235 if host_os == 'linux' and (have_system or have_tools)
1236 libudev = dependency('libudev',
1237 method: 'pkg-config',
1238 required: get_option('libudev'))
1241 mpathlibs = [libudev]
1242 mpathpersist = not_found
1243 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1244 mpath_test_source = '''
1245 #include <libudev.h>
1246 #include <mpath_persist.h>
1247 unsigned mpath_mx_alloc_len = 1024;
1249 static struct config *multipath_conf;
1250 extern struct udev *udev;
1251 extern struct config *get_multipath_config(void);
1252 extern void put_multipath_config(struct config *conf);
1254 struct config *get_multipath_config(void) { return multipath_conf; }
1255 void put_multipath_config(struct config *conf) { }
1258 multipath_conf = mpath_lib_init();
1261 libmpathpersist = cc.find_library('mpathpersist',
1262 required: get_option('mpath'))
1263 if libmpathpersist.found()
1264 mpathlibs += libmpathpersist
1265 if get_option('prefer_static')
1266 mpathlibs += cc.find_library('devmapper',
1267 required: get_option('mpath'))
1269 mpathlibs += cc.find_library('multipath',
1270 required: get_option('mpath'))
1271 foreach lib: mpathlibs
1277 if mpathlibs.length() == 0
1278 msg = 'Dependencies missing for libmpathpersist'
1279 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1280 mpathpersist = declare_dependency(dependencies: mpathlibs)
1282 msg = 'Cannot detect libmpathpersist API'
1284 if not mpathpersist.found()
1285 if get_option('mpath').enabled()
1288 warning(msg + ', disabling')
1296 if have_system and get_option('curses').allowed()
1298 #if defined(__APPLE__) || defined(__OpenBSD__)
1299 #define _XOPEN_SOURCE_EXTENDED 1
1306 setlocale(LC_ALL, "");
1308 addwstr(L"wide chars\n");
1310 add_wch(WACS_DEGREE);
1314 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1315 curses = dependency(curses_dep_list,
1317 method: 'pkg-config')
1318 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1319 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1321 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1322 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1323 version: curses.version())
1325 msg = 'curses package not usable'
1329 if not curses.found()
1330 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1331 if host_os != 'windows' and not has_curses_h
1332 message('Trying with /usr/include/ncursesw')
1333 curses_compile_args += ['-I/usr/include/ncursesw']
1334 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1337 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1338 foreach curses_libname : curses_libname_list
1339 libcurses = cc.find_library(curses_libname,
1341 if libcurses.found()
1342 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1343 curses = declare_dependency(compile_args: curses_compile_args,
1344 dependencies: [libcurses])
1347 msg = 'curses library not usable'
1353 if get_option('iconv').allowed()
1354 foreach link_args : [ ['-liconv'], [] ]
1355 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1356 # We need to use libiconv if available because mixing libiconv's headers with
1357 # the system libc does not work.
1358 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1359 # included in the command line and libiconv will not be found.
1363 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1364 return conv != (iconv_t) -1;
1365 }''', args: link_args, dependencies: glib)
1366 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1371 if curses.found() and not iconv.found()
1372 if get_option('iconv').enabled()
1373 error('iconv not available')
1375 msg = 'iconv required for curses UI but not available'
1378 if not curses.found() and msg != ''
1379 if get_option('curses').enabled()
1382 warning(msg + ', disabling')
1388 if not get_option('brlapi').auto() or have_system
1389 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1390 required: get_option('brlapi'))
1391 if brlapi.found() and not cc.links('''
1394 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1396 if get_option('brlapi').enabled()
1397 error('could not link brlapi')
1399 warning('could not link brlapi, disabling')
1405 if not get_option('sdl').auto() or have_system
1406 sdl = dependency('sdl2', required: get_option('sdl'))
1407 sdl_image = not_found
1410 # Some versions of SDL have problems with -Wundef
1411 if not cc.compiles('''
1413 #include <SDL_syswm.h>
1414 int main(int argc, char *argv[]) { return 0; }
1415 ''', dependencies: sdl, args: '-Werror=undef')
1416 sdl = declare_dependency(compile_args: '-Wno-undef',
1418 version: sdl.version())
1420 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1421 method: 'pkg-config')
1423 if get_option('sdl_image').enabled()
1424 error('sdl-image required, but SDL was @0@'.format(
1425 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1427 sdl_image = not_found
1431 if not get_option('rbd').auto() or have_block
1432 librados = cc.find_library('rados', required: get_option('rbd'))
1433 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1434 required: get_option('rbd'))
1435 if librados.found() and librbd.found()
1438 #include <rbd/librbd.h>
1441 rados_create(&cluster, NULL);
1442 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1446 }''', dependencies: [librbd, librados])
1447 rbd = declare_dependency(dependencies: [librbd, librados])
1448 elif get_option('rbd').enabled()
1449 error('librbd >= 1.12.0 required')
1451 warning('librbd >= 1.12.0 not found, disabling')
1456 glusterfs = not_found
1457 glusterfs_ftruncate_has_stat = false
1458 glusterfs_iocb_has_stat = false
1459 if not get_option('glusterfs').auto() or have_block
1460 glusterfs = dependency('glusterfs-api', version: '>=3',
1461 required: get_option('glusterfs'),
1462 method: 'pkg-config')
1463 if glusterfs.found()
1464 glusterfs_ftruncate_has_stat = cc.links('''
1465 #include <glusterfs/api/glfs.h>
1470 /* new glfs_ftruncate() passes two additional args */
1471 return glfs_ftruncate(NULL, 0, NULL, NULL);
1473 ''', dependencies: glusterfs)
1474 glusterfs_iocb_has_stat = cc.links('''
1475 #include <glusterfs/api/glfs.h>
1477 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1479 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1485 glfs_io_cbk iocb = &glusterfs_iocb;
1486 iocb(NULL, 0 , NULL, NULL, NULL);
1489 ''', dependencies: glusterfs)
1494 if get_option('hv_balloon').allowed() and have_system
1497 #include <gmodule.h>
1501 tree = g_tree_new((GCompareFunc)strcmp);
1502 (void)g_tree_node_first(tree);
1503 g_tree_destroy(tree);
1506 ''', dependencies: glib)
1509 if get_option('hv_balloon').enabled()
1510 error('could not enable hv-balloon, update your glib')
1512 warning('could not find glib support for hv-balloon, disabling')
1518 if not get_option('libssh').auto() or have_block
1519 libssh = dependency('libssh', version: '>=0.8.7',
1520 method: 'pkg-config',
1521 required: get_option('libssh'))
1524 libbzip2 = not_found
1525 if not get_option('bzip2').auto() or have_block
1526 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1527 required: get_option('bzip2'))
1528 if libbzip2.found() and not cc.links('''
1530 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1531 libbzip2 = not_found
1532 if get_option('bzip2').enabled()
1533 error('could not link libbzip2')
1535 warning('could not link libbzip2, disabling')
1540 liblzfse = not_found
1541 if not get_option('lzfse').auto() or have_block
1542 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1543 required: get_option('lzfse'))
1545 if liblzfse.found() and not cc.links('''
1547 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1548 liblzfse = not_found
1549 if get_option('lzfse').enabled()
1550 error('could not link liblzfse')
1552 warning('could not link liblzfse, disabling')
1557 if get_option('oss').allowed() and have_system
1558 if not cc.has_header('sys/soundcard.h')
1560 elif host_os == 'netbsd'
1561 oss = cc.find_library('ossaudio', required: get_option('oss'))
1563 oss = declare_dependency()
1567 if get_option('oss').enabled()
1568 error('OSS not found')
1573 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1574 if cc.has_header('dsound.h')
1575 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1578 if not dsound.found()
1579 if get_option('dsound').enabled()
1580 error('DirectSound not found')
1585 coreaudio = not_found
1586 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1587 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1588 required: get_option('coreaudio'))
1592 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1593 epoxy = dependency('epoxy', method: 'pkg-config',
1594 required: get_option('opengl'))
1595 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1597 elif get_option('opengl').enabled()
1598 error('epoxy/egl.h not found')
1602 if (have_system or have_tools) and (virgl.found() or opengl.found())
1603 gbm = dependency('gbm', method: 'pkg-config', required: false)
1605 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1608 gnutls_crypto = not_found
1609 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1610 # For general TLS support our min gnutls matches
1611 # that implied by our platform support matrix
1613 # For the crypto backends, we look for a newer
1616 # Version 3.6.8 is needed to get XTS
1617 # Version 3.6.13 is needed to get PBKDF
1618 # Version 3.6.14 is needed to get HW accelerated XTS
1620 # If newer enough gnutls isn't available, we can
1621 # still use a different crypto backend to satisfy
1622 # the platform support requirements
1623 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1624 method: 'pkg-config',
1626 if gnutls_crypto.found()
1627 gnutls = gnutls_crypto
1629 # Our min version if all we need is TLS
1630 gnutls = dependency('gnutls', version: '>=3.5.18',
1631 method: 'pkg-config',
1632 required: get_option('gnutls'))
1636 # We prefer use of gnutls for crypto, unless the options
1637 # explicitly asked for nettle or gcrypt.
1639 # If gnutls isn't available for crypto, then we'll prefer
1640 # gcrypt over nettle for performance reasons.
1644 crypto_sm4 = not_found
1647 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1648 error('Only one of gcrypt & nettle can be enabled')
1651 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1652 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1653 gnutls_crypto = not_found
1656 if not gnutls_crypto.found()
1657 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1658 gcrypt = dependency('libgcrypt', version: '>=1.8',
1659 method: 'config-tool',
1660 required: get_option('gcrypt'))
1661 # Debian has removed -lgpg-error from libgcrypt-config
1662 # as it "spreads unnecessary dependencies" which in
1663 # turn breaks static builds...
1664 if gcrypt.found() and get_option('prefer_static')
1665 gcrypt = declare_dependency(dependencies:
1667 cc.find_library('gpg-error', required: true)],
1668 version: gcrypt.version())
1671 # SM4 ALG is available in libgcrypt >= 1.9
1672 if gcrypt.found() and not cc.links('''
1675 gcry_cipher_hd_t handler;
1676 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1678 }''', dependencies: gcrypt)
1679 crypto_sm4 = not_found
1682 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1683 nettle = dependency('nettle', version: '>=3.4',
1684 method: 'pkg-config',
1685 required: get_option('nettle'))
1686 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1690 # SM4 ALG is available in nettle >= 3.9
1691 if nettle.found() and not cc.links('''
1692 #include <nettle/sm4.h>
1695 unsigned char key[16] = {0};
1696 sm4_set_encrypt_key(&ctx, key);
1698 }''', dependencies: nettle)
1699 crypto_sm4 = not_found
1704 capstone = not_found
1705 if not get_option('capstone').auto() or have_system or have_user
1706 capstone = dependency('capstone', version: '>=3.0.5',
1707 method: 'pkg-config',
1708 required: get_option('capstone'))
1710 # Some versions of capstone have broken pkg-config file
1711 # that reports a wrong -I path, causing the #include to
1712 # fail later. If the system has such a broken version
1714 if capstone.found() and not cc.compiles('#include <capstone.h>',
1715 dependencies: [capstone])
1716 capstone = not_found
1717 if get_option('capstone').enabled()
1718 error('capstone requested, but it does not appear to work')
1723 gmp = dependency('gmp', required: false, method: 'pkg-config')
1724 if nettle.found() and gmp.found()
1725 hogweed = dependency('hogweed', version: '>=3.4',
1726 method: 'pkg-config',
1727 required: get_option('nettle'))
1734 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1736 if get_option('gtk') \
1737 .disable_auto_if(not have_system) \
1738 .require(pixman.found(),
1739 error_message: 'cannot enable GTK if pixman is not available') \
1741 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1742 method: 'pkg-config',
1743 required: get_option('gtk'))
1745 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1746 method: 'pkg-config',
1748 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1749 version: gtk.version())
1751 if not get_option('vte').auto() or have_system
1752 vte = dependency('vte-2.91',
1753 method: 'pkg-config',
1754 required: get_option('vte'))
1756 elif have_gtk_clipboard
1757 error('GTK clipboard requested, but GTK not found')
1763 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1766 if get_option('png').allowed() and have_system
1767 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1768 method: 'pkg-config')
1773 if get_option('vnc') \
1774 .disable_auto_if(not have_system) \
1775 .require(pixman.found(),
1776 error_message: 'cannot enable VNC if pixman is not available') \
1778 vnc = declare_dependency() # dummy dependency
1779 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1780 method: 'pkg-config')
1781 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1782 required: get_option('vnc_sasl'))
1784 sasl = declare_dependency(dependencies: sasl,
1785 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1790 if not get_option('auth_pam').auto() or have_system
1791 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1792 required: get_option('auth_pam'))
1794 if pam.found() and not cc.links('''
1796 #include <security/pam_appl.h>
1798 const char *service_name = "qemu";
1799 const char *user = "frank";
1800 const struct pam_conv pam_conv = { 0 };
1801 pam_handle_t *pamh = NULL;
1802 pam_start(service_name, user, &pam_conv, &pamh);
1804 }''', dependencies: pam)
1806 if get_option('auth_pam').enabled()
1807 error('could not link libpam')
1809 warning('could not link libpam, disabling')
1814 if not get_option('snappy').auto() or have_system
1815 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1816 required: get_option('snappy'))
1818 if snappy.found() and not cc.links('''
1819 #include <snappy-c.h>
1820 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1822 if get_option('snappy').enabled()
1823 error('could not link libsnappy')
1825 warning('could not link libsnappy, disabling')
1830 if not get_option('lzo').auto() or have_system
1831 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1832 required: get_option('lzo'))
1834 if lzo.found() and not cc.links('''
1835 #include <lzo/lzo1x.h>
1836 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1838 if get_option('lzo').enabled()
1839 error('could not link liblzo2')
1841 warning('could not link liblzo2, disabling')
1846 if not get_option('numa').auto() or have_system or have_tools
1847 numa = cc.find_library('numa', has_headers: ['numa.h'],
1848 required: get_option('numa'))
1850 if numa.found() and not cc.links('''
1852 int main(void) { return numa_available(); }
1853 ''', dependencies: numa)
1855 if get_option('numa').enabled()
1856 error('could not link numa')
1858 warning('could not link numa, disabling')
1863 if not get_option('rdma').auto() or have_system
1864 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1865 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1866 required: get_option('rdma')),
1867 cc.find_library('ibverbs', required: get_option('rdma')),
1869 rdma = declare_dependency(dependencies: rdma_libs)
1870 foreach lib: rdma_libs
1878 if not get_option('smartcard').auto() or have_system
1879 cacard = dependency('libcacard', required: get_option('smartcard'),
1880 version: '>=2.5.1', method: 'pkg-config')
1883 if not get_option('u2f').auto() or have_system
1884 u2f = dependency('u2f-emu', required: get_option('u2f'),
1885 method: 'pkg-config')
1888 if not get_option('canokey').auto() or have_system
1889 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1890 method: 'pkg-config')
1892 usbredir = not_found
1893 if not get_option('usb_redir').auto() or have_system
1894 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1895 version: '>=0.6', method: 'pkg-config')
1898 if not get_option('libusb').auto() or have_system
1899 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1900 version: '>=1.0.13', method: 'pkg-config')
1904 if not get_option('libpmem').auto() or have_system
1905 libpmem = dependency('libpmem', required: get_option('libpmem'),
1906 method: 'pkg-config')
1908 libdaxctl = not_found
1909 if not get_option('libdaxctl').auto() or have_system
1910 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1911 version: '>=57', method: 'pkg-config')
1915 tasn1 = dependency('libtasn1',
1916 method: 'pkg-config')
1918 keyutils = not_found
1919 if not get_option('libkeyutils').auto() or have_block
1920 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1921 method: 'pkg-config')
1924 has_gettid = cc.has_function('gettid')
1927 selinux = dependency('libselinux',
1928 required: get_option('selinux'),
1929 method: 'pkg-config')
1934 if get_option('malloc') == 'system'
1936 get_option('malloc_trim').allowed() and \
1937 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1939 has_malloc_trim = false
1940 malloc = cc.find_library(get_option('malloc'), required: true)
1942 if not has_malloc_trim and get_option('malloc_trim').enabled()
1943 if get_option('malloc') == 'system'
1944 error('malloc_trim not available on this platform.')
1946 error('malloc_trim not available with non-libc memory allocator')
1950 gnu_source_prefix = '''
1956 # Check whether the glibc provides STATX_BASIC_STATS
1958 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1960 # Check whether statx() provides mount ID information
1962 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1964 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1965 .require(host_os == 'linux',
1966 error_message: 'vhost_user_blk_server requires linux') \
1967 .require(have_vhost_user,
1968 error_message: 'vhost_user_blk_server requires vhost-user support') \
1969 .disable_auto_if(not have_tools and not have_system) \
1972 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1973 error('Cannot enable fuse-lseek while fuse is disabled')
1976 fuse = dependency('fuse3', required: get_option('fuse'),
1977 version: '>=3.1', method: 'pkg-config')
1979 fuse_lseek = not_found
1980 if get_option('fuse_lseek').allowed()
1981 if fuse.version().version_compare('>=3.8')
1983 fuse_lseek = declare_dependency()
1984 elif get_option('fuse_lseek').enabled()
1986 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1988 error('fuse-lseek requires libfuse, which was not found')
1993 have_libvduse = (host_os == 'linux')
1994 if get_option('libvduse').enabled()
1995 if host_os != 'linux'
1996 error('libvduse requires linux')
1998 elif get_option('libvduse').disabled()
1999 have_libvduse = false
2002 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2003 if get_option('vduse_blk_export').enabled()
2004 if host_os != 'linux'
2005 error('vduse_blk_export requires linux')
2006 elif not have_libvduse
2007 error('vduse_blk_export requires libvduse support')
2009 elif get_option('vduse_blk_export').disabled()
2010 have_vduse_blk_export = false
2014 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
2015 if libbpf.found() and not cc.links('''
2016 #include <bpf/libbpf.h>
2019 bpf_object__destroy_skeleton(NULL);
2021 }''', dependencies: libbpf)
2023 if get_option('bpf').enabled()
2024 error('libbpf skeleton test failed')
2026 warning('libbpf skeleton test failed, disabling')
2032 if not get_option('af_xdp').auto() or have_system
2033 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2034 version: '>=1.4.0', method: 'pkg-config')
2039 if not get_option('libdw').auto() or \
2040 (not get_option('prefer_static') and (have_system or have_user))
2041 libdw = dependency('libdw',
2042 method: 'pkg-config',
2043 required: get_option('libdw'))
2050 config_host_data = configuration_data()
2052 audio_drivers_selected = []
2054 audio_drivers_available = {
2055 'alsa': alsa.found(),
2056 'coreaudio': coreaudio.found(),
2057 'dsound': dsound.found(),
2058 'jack': jack.found(),
2060 'pa': pulse.found(),
2061 'pipewire': pipewire.found(),
2063 'sndio': sndio.found(),
2065 foreach k, v: audio_drivers_available
2066 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2069 # Default to native drivers first, OSS second, SDL third
2070 audio_drivers_priority = \
2071 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2072 (host_os == 'linux' ? [] : [ 'sdl' ])
2073 audio_drivers_default = []
2074 foreach k: audio_drivers_priority
2075 if audio_drivers_available[k]
2076 audio_drivers_default += k
2080 foreach k: get_option('audio_drv_list')
2082 audio_drivers_selected += audio_drivers_default
2083 elif not audio_drivers_available[k]
2084 error('Audio driver "@0@" not available.'.format(k))
2086 audio_drivers_selected += k
2090 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2091 '"' + '", "'.join(audio_drivers_selected) + '", ')
2093 have_host_block_device = (host_os != 'darwin' or
2094 cc.has_header('IOKit/storage/IOMedia.h'))
2096 dbus_display = get_option('dbus_display') \
2097 .require(gio.version().version_compare('>=2.64'),
2098 error_message: '-display dbus requires glib>=2.64') \
2099 .require(gdbus_codegen.found(),
2100 error_message: gdbus_codegen_error.format('-display dbus')) \
2103 have_virtfs = get_option('virtfs') \
2104 .require(host_os == 'linux' or host_os == 'darwin',
2105 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2106 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2107 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2108 .require(host_os == 'darwin' or libattr.found(),
2109 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2110 .disable_auto_if(not have_tools and not have_system) \
2113 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2114 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2115 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2116 .disable_auto_if(not have_tools) \
2117 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2120 if get_option('block_drv_ro_whitelist') == ''
2121 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2123 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2124 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2126 if get_option('block_drv_rw_whitelist') == ''
2127 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2129 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2130 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2133 foreach k : get_option('trace_backends')
2134 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2136 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2137 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2139 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2141 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2142 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2143 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2144 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2145 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2147 qemu_firmwarepath = ''
2148 foreach k : get_option('qemu_firmwarepath')
2149 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2151 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2153 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2154 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2155 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2156 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2157 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2158 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2161 config_host_data.set('CONFIG_STAMP', run_command(
2162 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2163 meson.project_version(), get_option('pkgversion'), '--',
2164 meson.current_source_dir() / 'configure',
2165 capture: true, check: true).stdout().strip())
2168 have_slirp_smbd = get_option('slirp_smbd') \
2169 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2172 smbd_path = get_option('smbd')
2174 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2176 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2179 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2181 kvm_targets_c = '""'
2182 if get_option('kvm').allowed() and host_os == 'linux'
2183 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2185 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2187 if get_option('module_upgrades') and not enable_modules
2188 error('Cannot enable module-upgrades as modules are not enabled')
2190 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2192 config_host_data.set('CONFIG_ATTR', libattr.found())
2193 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2194 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2195 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2196 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2197 config_host_data.set('CONFIG_COCOA', cocoa.found())
2198 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2199 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2200 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2201 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2202 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2203 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2204 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2205 config_host_data.set('CONFIG_LZO', lzo.found())
2206 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2207 config_host_data.set('CONFIG_BLKIO', blkio.found())
2209 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2210 blkio.version().version_compare('>=1.3.0'))
2212 config_host_data.set('CONFIG_CURL', curl.found())
2213 config_host_data.set('CONFIG_CURSES', curses.found())
2214 config_host_data.set('CONFIG_GBM', gbm.found())
2215 config_host_data.set('CONFIG_GIO', gio.found())
2216 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2217 if glusterfs.found()
2218 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2219 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2220 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2221 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2222 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2223 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2225 config_host_data.set('CONFIG_GTK', gtk.found())
2226 config_host_data.set('CONFIG_VTE', vte.found())
2227 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2228 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2229 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2230 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2231 config_host_data.set('CONFIG_EBPF', libbpf.found())
2232 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2233 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2234 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2235 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2236 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2237 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2238 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2239 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2240 config_host_data.set('CONFIG_MODULES', enable_modules)
2241 config_host_data.set('CONFIG_NUMA', numa.found())
2243 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2244 cc.has_function('numa_has_preferred_many',
2245 dependencies: numa))
2247 config_host_data.set('CONFIG_OPENGL', opengl.found())
2248 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2249 config_host_data.set('CONFIG_RBD', rbd.found())
2250 config_host_data.set('CONFIG_RDMA', rdma.found())
2251 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2252 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2253 config_host_data.set('CONFIG_SDL', sdl.found())
2254 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2255 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2257 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2259 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2260 config_host_data.set('CONFIG_SLIRP', slirp.found())
2261 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2262 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2263 if get_option('tcg').allowed()
2264 config_host_data.set('CONFIG_TCG', 1)
2265 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2267 config_host_data.set('CONFIG_TPM', have_tpm)
2268 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2269 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2270 config_host_data.set('CONFIG_VDE', vde.found())
2271 config_host_data.set('CONFIG_VHOST', have_vhost)
2272 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2273 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2274 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2275 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2276 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2277 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2278 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2279 config_host_data.set('CONFIG_VMNET', vmnet.found())
2280 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2281 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2282 config_host_data.set('CONFIG_PNG', png.found())
2283 config_host_data.set('CONFIG_VNC', vnc.found())
2284 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2285 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2287 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2288 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2289 prefix: '#include <virglrenderer.h>',
2290 dependencies: virgl))
2292 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2293 config_host_data.set('CONFIG_VTE', vte.found())
2294 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2295 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2296 config_host_data.set('CONFIG_GETTID', has_gettid)
2297 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2298 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2299 config_host_data.set('CONFIG_TASN1', tasn1.found())
2300 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2301 config_host_data.set('CONFIG_NETTLE', nettle.found())
2302 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2303 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2304 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2305 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2306 config_host_data.set('CONFIG_STATX', has_statx)
2307 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2308 config_host_data.set('CONFIG_ZSTD', zstd.found())
2309 config_host_data.set('CONFIG_FUSE', fuse.found())
2310 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2311 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2312 if spice_protocol.found()
2313 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2314 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2315 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2317 config_host_data.set('CONFIG_SPICE', spice.found())
2318 config_host_data.set('CONFIG_X11', x11.found())
2319 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2320 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2321 config_host_data.set('CONFIG_SELINUX', selinux.found())
2322 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2323 config_host_data.set('CONFIG_LIBDW', libdw.found())
2325 # protect from xen.version() having less than three components
2326 xen_version = xen.version().split('.') + ['0', '0']
2327 xen_ctrl_version = xen_version[0] + \
2328 ('0' + xen_version[1]).substring(-2) + \
2329 ('0' + xen_version[2]).substring(-2)
2330 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2332 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2333 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2334 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2335 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2337 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2338 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2340 have_coroutine_pool = get_option('coroutine_pool')
2341 if get_option('debug_stack_usage') and have_coroutine_pool
2342 message('Disabling coroutine pool to measure stack usage')
2343 have_coroutine_pool = false
2345 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2346 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2347 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2348 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2349 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2350 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
2351 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2352 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2355 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2356 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2357 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2358 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2359 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2360 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2361 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2362 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2363 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2364 if host_os == 'windows'
2365 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2369 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2370 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2371 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2372 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2373 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2374 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2375 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2376 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2377 # Note that we need to specify prefix: here to avoid incorrectly
2378 # thinking that Windows has posix_memalign()
2379 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2380 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2381 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2382 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2383 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2384 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2385 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2386 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2387 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2388 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2389 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2390 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2391 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2392 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2393 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2394 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2395 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2396 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2398 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2399 cc.has_function('rbd_namespace_exists',
2401 prefix: '#include <rbd/librbd.h>'))
2404 config_host_data.set('HAVE_IBV_ADVISE_MR',
2405 cc.has_function('ibv_advise_mr',
2407 prefix: '#include <infiniband/verbs.h>'))
2410 have_asan_fiber = false
2411 if get_option('sanitizers') and \
2412 not cc.has_function('__sanitizer_start_switch_fiber',
2413 args: '-fsanitize=address',
2414 prefix: '#include <sanitizer/asan_interface.h>')
2415 warning('Missing ASAN due to missing fiber annotation interface')
2416 warning('Without code annotation, the report may be inferior.')
2418 have_asan_fiber = true
2420 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2422 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2423 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2425 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2427 inotify = cc.find_library('inotify')
2428 if have_inotify_init
2429 have_inotify_init = inotify.found()
2431 if have_inotify_init1
2432 have_inotify_init1 = inotify.found()
2435 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2436 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2439 config_host_data.set('CONFIG_BLKZONED',
2440 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2441 config_host_data.set('CONFIG_EPOLL_CREATE1',
2442 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2443 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2444 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2445 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2446 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2447 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2448 config_host_data.set('CONFIG_FIEMAP',
2449 cc.has_header('linux/fiemap.h') and
2450 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2451 config_host_data.set('CONFIG_GETRANDOM',
2452 cc.has_function('getrandom') and
2453 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2454 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2455 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2456 config_host_data.set('CONFIG_RTNETLINK',
2457 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2458 config_host_data.set('CONFIG_SYSMACROS',
2459 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2460 config_host_data.set('HAVE_OPTRESET',
2461 cc.has_header_symbol('getopt.h', 'optreset'))
2462 config_host_data.set('HAVE_IPPROTO_MPTCP',
2463 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2466 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2467 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2468 prefix: '#include <signal.h>'))
2469 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2470 cc.has_member('struct stat', 'st_atim',
2471 prefix: '#include <sys/stat.h>'))
2472 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2473 cc.has_member('struct blk_zone', 'capacity',
2474 prefix: '#include <linux/blkzoned.h>'))
2477 config_host_data.set('CONFIG_IOVEC',
2478 cc.has_type('struct iovec',
2479 prefix: '#include <sys/uio.h>'))
2480 config_host_data.set('HAVE_UTMPX',
2481 cc.has_type('struct utmpx',
2482 prefix: '#include <utmpx.h>'))
2484 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2485 #include <sys/eventfd.h>
2486 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2487 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2490 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2491 return fdatasync(0);
2493 #error Not supported
2497 has_madvise = cc.links(gnu_source_prefix + '''
2498 #include <sys/types.h>
2499 #include <sys/mman.h>
2501 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2502 missing_madvise_proto = false
2504 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2505 # but forget to prototype it. In this case, has_madvise will be true (the
2506 # test program links despite a compile warning). To detect the
2507 # missing-prototype case, we try again with a definitely-bogus prototype.
2508 # This will only compile if the system headers don't provide the prototype;
2509 # otherwise the conflicting prototypes will cause a compiler error.
2510 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2511 #include <sys/types.h>
2512 #include <sys/mman.h>
2514 extern int madvise(int);
2515 int main(void) { return madvise(0); }''')
2517 config_host_data.set('CONFIG_MADVISE', has_madvise)
2518 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2520 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2521 #include <sys/mman.h>
2522 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2523 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2525 #if !defined(AT_EMPTY_PATH)
2526 # error missing definition
2528 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2530 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2531 #include <sys/mman.h>
2533 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2535 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2536 #include <pthread.h>
2538 static void *f(void *p) { return NULL; }
2542 pthread_create(&thread, 0, f, 0);
2543 pthread_setname_np(thread, "QEMU");
2545 }''', dependencies: threads))
2546 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2547 #include <pthread.h>
2549 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2553 pthread_create(&thread, 0, f, 0);
2555 }''', dependencies: threads))
2556 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2557 #include <pthread.h>
2558 #include <pthread_np.h>
2560 static void *f(void *p) { return NULL; }
2564 pthread_create(&thread, 0, f, 0);
2565 pthread_set_name_np(thread, "QEMU");
2567 }''', dependencies: threads))
2568 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2569 #include <pthread.h>
2574 pthread_condattr_t attr
2575 pthread_condattr_init(&attr);
2576 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2578 }''', dependencies: threads))
2579 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2580 #include <pthread.h>
2582 static void *f(void *p) { return NULL; }
2585 int setsize = CPU_ALLOC_SIZE(64);
2588 pthread_create(&thread, 0, f, 0);
2589 cpuset = CPU_ALLOC(64);
2590 CPU_ZERO_S(setsize, cpuset);
2591 pthread_setaffinity_np(thread, setsize, cpuset);
2592 pthread_getaffinity_np(thread, setsize, cpuset);
2595 }''', dependencies: threads))
2596 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2597 #include <sys/signalfd.h>
2599 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2600 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2608 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2609 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2613 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2614 #include <sys/mman.h>
2616 return mlockall(MCL_FUTURE);
2620 if get_option('l2tpv3').allowed() and have_system
2621 have_l2tpv3 = cc.has_type('struct mmsghdr',
2622 prefix: gnu_source_prefix + '''
2623 #include <sys/socket.h>
2624 #include <linux/ip.h>''')
2626 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2629 if get_option('netmap').allowed() and have_system
2630 have_netmap = cc.compiles('''
2631 #include <inttypes.h>
2633 #include <net/netmap.h>
2634 #include <net/netmap_user.h>
2635 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2638 int main(void) { return 0; }''')
2639 if not have_netmap and get_option('netmap').enabled()
2640 error('Netmap headers not available')
2643 config_host_data.set('CONFIG_NETMAP', have_netmap)
2645 # Work around a system header bug with some kernel/XFS header
2646 # versions where they both try to define 'struct fsxattr':
2647 # xfs headers will not try to redefine structs from linux headers
2648 # if this macro is set.
2649 config_host_data.set('HAVE_FSXATTR', cc.links('''
2650 #include <linux/fs.h>
2656 # Some versions of Mac OS X incorrectly define SIZE_MAX
2657 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2661 return printf("%zu", SIZE_MAX);
2662 }''', args: ['-Werror']))
2664 # See if 64-bit atomic operations are supported.
2665 # Note that without __atomic builtins, we can only
2666 # assume atomic loads/stores max at pointer size.
2667 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2671 uint64_t x = 0, y = 0;
2672 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2673 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2674 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2675 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2676 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2680 has_int128_type = cc.compiles('''
2683 int main(void) { b = a; }''')
2684 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2686 has_int128 = has_int128_type and cc.links('''
2695 config_host_data.set('CONFIG_INT128', has_int128)
2698 # "do we have 128-bit atomics which are handled inline and specifically not
2699 # via libatomic". The reason we can't use libatomic is documented in the
2700 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2701 # We only care about these operations on 16-byte aligned pointers, so
2702 # force 16-byte alignment of the pointer, which may be greater than
2703 # __alignof(unsigned __int128) for the host.
2704 atomic_test_128 = '''
2705 int main(int ac, char **av) {
2706 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2707 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2708 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2709 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2712 has_atomic128 = cc.links(atomic_test_128)
2714 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2716 if not has_atomic128
2717 # Even with __builtin_assume_aligned, the above test may have failed
2718 # without optimization enabled. Try again with optimizations locally
2719 # enabled for the function. See
2720 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2721 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2722 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2724 if not has_atomic128_opt
2725 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2728 __uint128_t x = 0, y = 0;
2729 __sync_val_compare_and_swap_16(&x, y, x);
2737 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2738 #include <sys/auxv.h>
2740 return getauxval(AT_HWCAP) == 0;
2743 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2744 #include <linux/usbdevice_fs.h>
2746 #ifndef USBDEVFS_GET_CAPABILITIES
2747 #error "USBDEVFS_GET_CAPABILITIES undefined"
2750 #ifndef USBDEVFS_DISCONNECT_CLAIM
2751 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2754 int main(void) { return 0; }'''))
2756 have_keyring = get_option('keyring') \
2757 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2758 .require(cc.compiles('''
2760 #include <asm/unistd.h>
2761 #include <linux/keyctl.h>
2762 #include <sys/syscall.h>
2765 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2766 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2767 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2769 have_cpuid_h = cc.links('''
2772 unsigned a, b, c, d;
2773 unsigned max = __get_cpuid_max(0, 0);
2776 __cpuid(1, a, b, c, d);
2780 __cpuid_count(7, 0, a, b, c, d);
2785 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2787 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2788 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2789 .require(cc.links('''
2791 #include <immintrin.h>
2792 static int __attribute__((target("avx2"))) bar(void *a) {
2793 __m256i x = *(__m256i *)a;
2794 return _mm256_testz_si256(x, x);
2796 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2797 '''), error_message: 'AVX2 not available').allowed())
2799 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2800 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2801 .require(cc.links('''
2803 #include <immintrin.h>
2804 static int __attribute__((target("avx512f"))) bar(void *a) {
2805 __m512i x = *(__m512i *)a;
2806 return _mm512_test_epi64_mask(x, x);
2808 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2809 '''), error_message: 'AVX512F not available').allowed())
2811 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2812 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2813 .require(cc.links('''
2815 #include <immintrin.h>
2816 static int __attribute__((target("avx512bw"))) bar(void *a) {
2818 __m512i res= _mm512_abs_epi8(*x);
2821 int main(int argc, char *argv[]) { return bar(argv[0]); }
2822 '''), error_message: 'AVX512BW not available').allowed())
2824 # For both AArch64 and AArch32, detect if builtins are available.
2825 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2826 #include <arm_neon.h>
2827 #ifndef __ARM_FEATURE_AES
2828 __attribute__((target("+crypto")))
2830 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2833 have_pvrdma = get_option('pvrdma') \
2834 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2835 .require(cc.compiles(gnu_source_prefix + '''
2836 #include <sys/mman.h>
2841 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2844 }'''), error_message: 'PVRDMA requires mremap').allowed()
2847 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2848 #include <infiniband/verbs.h>
2852 struct ibv_pd *pd = NULL;
2858 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2864 if get_option('membarrier').disabled()
2865 have_membarrier = false
2866 elif host_os == 'windows'
2867 have_membarrier = true
2868 elif host_os == 'linux'
2869 have_membarrier = cc.compiles('''
2870 #include <linux/membarrier.h>
2871 #include <sys/syscall.h>
2875 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2876 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2880 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2881 .require(have_membarrier, error_message: 'membarrier system call not available') \
2884 have_afalg = get_option('crypto_afalg') \
2885 .require(cc.compiles(gnu_source_prefix + '''
2887 #include <sys/types.h>
2888 #include <sys/socket.h>
2889 #include <linux/if_alg.h>
2892 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2895 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2896 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2898 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2899 'linux/vm_sockets.h', 'AF_VSOCK',
2900 prefix: '#include <sys/socket.h>',
2904 have_vss_sdk = false # old xp/2003 SDK
2905 if host_os == 'windows' and 'cpp' in all_languages
2906 have_vss = cxx.compiles('''
2907 #define __MIDL_user_allocate_free_DEFINED__
2909 int main(void) { return VSS_CTX_BACKUP; }''')
2910 have_vss_sdk = cxx.has_header('vscoordint.h')
2912 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2914 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2915 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2916 if host_os == 'windows'
2917 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2923 }''', name: '_lock_file and _unlock_file'))
2926 if host_os == 'windows'
2927 mingw_has_setjmp_longjmp = cc.links('''
2931 * These functions are not available in setjmp header, but may be
2932 * available at link time, from libmingwex.a.
2934 extern int __mingw_setjmp(jmp_buf);
2935 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2937 __mingw_setjmp(env);
2938 __mingw_longjmp(env, 0);
2940 ''', name: 'mingw setjmp and longjmp')
2942 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2943 error('mingw must provide setjmp/longjmp for windows-arm64')
2947 ########################
2948 # Target configuration #
2949 ########################
2951 minikconf = find_program('scripts/minikconf.py')
2953 config_all_accel = {}
2954 config_all_devices = {}
2955 config_devices_mak_list = []
2956 config_devices_h = {}
2957 config_target_h = {}
2958 config_target_mak = {}
2961 'alpha' : ['CONFIG_ALPHA_DIS'],
2962 'avr' : ['CONFIG_AVR_DIS'],
2963 'cris' : ['CONFIG_CRIS_DIS'],
2964 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2965 'hppa' : ['CONFIG_HPPA_DIS'],
2966 'i386' : ['CONFIG_I386_DIS'],
2967 'x86_64' : ['CONFIG_I386_DIS'],
2968 'm68k' : ['CONFIG_M68K_DIS'],
2969 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2970 'mips' : ['CONFIG_MIPS_DIS'],
2971 'nios2' : ['CONFIG_NIOS2_DIS'],
2972 'or1k' : ['CONFIG_OPENRISC_DIS'],
2973 'ppc' : ['CONFIG_PPC_DIS'],
2974 'riscv' : ['CONFIG_RISCV_DIS'],
2975 'rx' : ['CONFIG_RX_DIS'],
2976 's390' : ['CONFIG_S390_DIS'],
2977 'sh4' : ['CONFIG_SH4_DIS'],
2978 'sparc' : ['CONFIG_SPARC_DIS'],
2979 'xtensa' : ['CONFIG_XTENSA_DIS'],
2980 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2983 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2985 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2986 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2987 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2988 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2989 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2990 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2991 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2992 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2993 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2994 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2995 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2996 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2997 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2998 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2999 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
3000 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
3002 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
3004 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
3005 actual_target_dirs = []
3007 foreach target : target_dirs
3008 config_target = { 'TARGET_NAME': target.split('-')[0] }
3009 if target.endswith('linux-user')
3010 if host_os != 'linux'
3014 error('Target @0@ is only available on a Linux host'.format(target))
3016 config_target += { 'CONFIG_LINUX_USER': 'y' }
3017 elif target.endswith('bsd-user')
3018 if host_os not in bsd_oses
3022 error('Target @0@ is only available on a BSD host'.format(target))
3024 config_target += { 'CONFIG_BSD_USER': 'y' }
3025 elif target.endswith('softmmu')
3026 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3027 config_target += { 'CONFIG_SOFTMMU': 'y' }
3029 if target.endswith('-user')
3031 'CONFIG_USER_ONLY': 'y',
3032 'CONFIG_QEMU_INTERP_PREFIX':
3033 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3038 foreach sym: accelerators
3039 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3040 config_target += { sym: 'y' }
3041 config_all_accel += { sym: 'y' }
3042 if target in modular_tcg
3043 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3045 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3047 accel_kconfig += [ sym + '=y' ]
3050 if accel_kconfig.length() == 0
3054 error('No accelerator available for target @0@'.format(target))
3057 actual_target_dirs += target
3058 config_target += keyval.load('configs/targets' / target + '.mak')
3059 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3061 if 'TARGET_NEED_FDT' in config_target
3062 fdt_required += target
3066 if 'TARGET_BASE_ARCH' not in config_target
3067 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3069 if 'TARGET_ABI_DIR' not in config_target
3070 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3072 if 'TARGET_BIG_ENDIAN' not in config_target
3073 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3076 foreach k, v: disassemblers
3077 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3079 config_target += { sym: 'y' }
3084 config_target_data = configuration_data()
3085 foreach k, v: config_target
3086 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3088 elif ignored.contains(k)
3090 elif k == 'TARGET_BASE_ARCH'
3091 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3092 # not used to select files from sourcesets.
3093 config_target_data.set('TARGET_' + v.to_upper(), 1)
3094 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3095 config_target_data.set_quoted(k, v)
3097 config_target_data.set(k, 1)
3099 config_target_data.set(k, 0)
3101 config_target_data.set(k, v)
3104 config_target_data.set('QEMU_ARCH',
3105 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3106 config_target_h += {target: configure_file(output: target + '-config-target.h',
3107 configuration: config_target_data)}
3109 if target.endswith('-softmmu')
3110 config_input = meson.get_external_property(target, 'default')
3111 config_devices_mak = target + '-config-devices.mak'
3112 config_devices_mak = configure_file(
3113 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3114 output: config_devices_mak,
3115 depfile: config_devices_mak + '.d',
3117 command: [minikconf,
3118 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3119 config_devices_mak, '@DEPFILE@', '@INPUT@',
3120 host_kconfig, accel_kconfig,
3121 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
3123 config_devices_data = configuration_data()
3124 config_devices = keyval.load(config_devices_mak)
3125 foreach k, v: config_devices
3126 config_devices_data.set(k, 1)
3128 config_devices_mak_list += config_devices_mak
3129 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3130 configuration: config_devices_data)}
3131 config_target += config_devices
3132 config_all_devices += config_devices
3134 config_target_mak += {target: config_target}
3136 target_dirs = actual_target_dirs
3138 target_configs_h = []
3139 foreach target: target_dirs
3140 target_configs_h += config_target_h[target]
3141 target_configs_h += config_devices_h.get(target, [])
3143 genh += custom_target('config-poison.h',
3144 input: [target_configs_h],
3145 output: 'config-poison.h',
3147 command: [find_program('scripts/make-config-poison.sh'),
3154 libvfio_user_dep = not_found
3155 if have_system and vfio_user_server_allowed
3156 libvfio_user_proj = subproject('libvfio-user', required: true)
3157 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3161 fdt_opt = get_option('fdt')
3162 if fdt_required.length() > 0 or fdt_opt == 'enabled'
3163 if fdt_opt == 'disabled'
3164 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3167 if fdt_opt in ['enabled', 'auto', 'system']
3168 if get_option('wrap_mode') == 'nodownload'
3171 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
3172 if fdt.found() and cc.links('''
3174 #include <libfdt_env.h>
3175 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
3178 elif fdt_opt == 'system'
3179 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
3181 fdt_opt = 'internal'
3186 assert(fdt_opt == 'internal')
3187 libfdt_proj = subproject('dtc', required: true,
3188 default_options: ['tools=false', 'yaml=disabled',
3189 'python=disabled', 'default_library=static'])
3190 fdt = libfdt_proj.get_variable('libfdt_dep')
3193 fdt_opt = 'disabled'
3196 config_host_data.set('CONFIG_FDT', fdt.found())
3198 vhost_user = not_found
3199 if host_os == 'linux' and have_vhost_user
3200 libvhost_user = subproject('libvhost-user')
3201 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3204 libvduse = not_found
3206 libvduse_proj = subproject('libvduse')
3207 libvduse = libvduse_proj.get_variable('libvduse_dep')
3210 #####################
3211 # Generated sources #
3212 #####################
3214 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3216 hxtool = find_program('scripts/hxtool')
3217 shaderinclude = find_program('scripts/shaderinclude.py')
3218 qapi_gen = find_program('scripts/qapi-gen.py')
3219 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3220 meson.current_source_dir() / 'scripts/qapi/commands.py',
3221 meson.current_source_dir() / 'scripts/qapi/common.py',
3222 meson.current_source_dir() / 'scripts/qapi/error.py',
3223 meson.current_source_dir() / 'scripts/qapi/events.py',
3224 meson.current_source_dir() / 'scripts/qapi/expr.py',
3225 meson.current_source_dir() / 'scripts/qapi/gen.py',
3226 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3227 meson.current_source_dir() / 'scripts/qapi/main.py',
3228 meson.current_source_dir() / 'scripts/qapi/parser.py',
3229 meson.current_source_dir() / 'scripts/qapi/schema.py',
3230 meson.current_source_dir() / 'scripts/qapi/source.py',
3231 meson.current_source_dir() / 'scripts/qapi/types.py',
3232 meson.current_source_dir() / 'scripts/qapi/visit.py',
3233 meson.current_source_dir() / 'scripts/qapi-gen.py'
3237 python, files('scripts/tracetool.py'),
3238 '--backend=' + ','.join(get_option('trace_backends'))
3240 tracetool_depends = files(
3241 'scripts/tracetool/backend/log.py',
3242 'scripts/tracetool/backend/__init__.py',
3243 'scripts/tracetool/backend/dtrace.py',
3244 'scripts/tracetool/backend/ftrace.py',
3245 'scripts/tracetool/backend/simple.py',
3246 'scripts/tracetool/backend/syslog.py',
3247 'scripts/tracetool/backend/ust.py',
3248 'scripts/tracetool/format/ust_events_c.py',
3249 'scripts/tracetool/format/ust_events_h.py',
3250 'scripts/tracetool/format/__init__.py',
3251 'scripts/tracetool/format/d.py',
3252 'scripts/tracetool/format/simpletrace_stap.py',
3253 'scripts/tracetool/format/c.py',
3254 'scripts/tracetool/format/h.py',
3255 'scripts/tracetool/format/log_stap.py',
3256 'scripts/tracetool/format/stap.py',
3257 'scripts/tracetool/__init__.py',
3258 'scripts/tracetool/vcpu.py'
3261 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3262 meson.current_source_dir(),
3263 get_option('pkgversion'), meson.project_version()]
3264 qemu_version = custom_target('qemu-version.h',
3265 output: 'qemu-version.h',
3266 command: qemu_version_cmd,
3268 build_by_default: true,
3269 build_always_stale: true)
3270 genh += qemu_version
3274 ['qemu-options.hx', 'qemu-options.def'],
3275 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3279 ['hmp-commands.hx', 'hmp-commands.h'],
3280 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3283 foreach d : hx_headers
3284 hxdep += custom_target(d[1],
3288 command: [hxtool, '-h', '@INPUT0@'])
3296 # TODO: add each directory to the subdirs from its own meson.build, once
3298 trace_events_subdirs = [
3307 trace_events_subdirs += [ 'linux-user' ]
3310 trace_events_subdirs += [ 'bsd-user' ]
3313 trace_events_subdirs += [
3322 trace_events_subdirs += [
3387 if have_system or have_user
3388 trace_events_subdirs += [
3411 authz_ss = ss.source_set()
3412 blockdev_ss = ss.source_set()
3413 block_ss = ss.source_set()
3414 chardev_ss = ss.source_set()
3415 common_ss = ss.source_set()
3416 crypto_ss = ss.source_set()
3417 hwcore_ss = ss.source_set()
3418 io_ss = ss.source_set()
3419 qmp_ss = ss.source_set()
3420 qom_ss = ss.source_set()
3421 system_ss = ss.source_set()
3422 specific_fuzz_ss = ss.source_set()
3423 specific_ss = ss.source_set()
3424 stub_ss = ss.source_set()
3425 trace_ss = ss.source_set()
3426 user_ss = ss.source_set()
3427 util_ss = ss.source_set()
3430 qtest_module_ss = ss.source_set()
3431 tcg_module_ss = ss.source_set()
3437 target_system_arch = {}
3438 target_user_arch = {}
3440 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3441 # that is filled in by qapi/.
3455 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3456 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3459 qom_ss = qom_ss.apply({})
3460 libqom = static_library('qom', qom_ss.sources() + genh,
3461 dependencies: [qom_ss.dependencies()],
3463 build_by_default: false)
3464 qom = declare_dependency(link_whole: libqom)
3466 event_loop_base = files('event-loop-base.c')
3467 event_loop_base = static_library('event-loop-base',
3468 sources: event_loop_base + genh,
3470 build_by_default: false)
3471 event_loop_base = declare_dependency(link_whole: event_loop_base,
3472 dependencies: [qom])
3474 stub_ss = stub_ss.apply({})
3476 util_ss.add_all(trace_ss)
3477 util_ss = util_ss.apply({})
3478 libqemuutil = static_library('qemuutil',
3479 build_by_default: false,
3480 sources: util_ss.sources() + stub_ss.sources() + genh,
3481 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3482 qemuutil = declare_dependency(link_with: libqemuutil,
3483 sources: genh + version_res,
3484 dependencies: [event_loop_base])
3486 if have_system or have_user
3487 decodetree = generator(find_program('scripts/decodetree.py'),
3488 output: 'decode-@BASENAME@.c.inc',
3489 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3490 subdir('libdecnumber')
3507 if config_host_data.get('CONFIG_REPLICATION')
3508 block_ss.add(files('replication.c'))
3515 blockdev_ss.add(files(
3522 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3523 # os-win32.c does not
3524 if host_os == 'windows'
3525 system_ss.add(files('os-win32.c'))
3527 blockdev_ss.add(files('os-posix.c'))
3531 common_ss.add(files('cpu-common.c'))
3532 specific_ss.add(files('cpu-target.c'))
3536 # Work around a gcc bug/misfeature wherein constant propagation looks
3538 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3539 # to guess that a const variable is always zero. Without lto, this is
3540 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3541 # without lto, not even the alias is required -- we simply use different
3542 # declarations in different compilation units.
3543 pagevary = files('page-vary-common.c')
3544 if get_option('b_lto')
3545 pagevary_flags = ['-fno-lto']
3546 if get_option('cfi')
3547 pagevary_flags += '-fno-sanitize=cfi-icall'
3549 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3550 c_args: pagevary_flags)
3551 pagevary = declare_dependency(link_with: pagevary)
3553 common_ss.add(pagevary)
3554 specific_ss.add(files('page-vary-target.c'))
3562 subdir('semihosting')
3570 common_user_inc = []
3572 subdir('common-user')
3574 subdir('linux-user')
3576 # needed for fuzzing binaries
3577 subdir('tests/qtest/libqos')
3578 subdir('tests/qtest/fuzz')
3581 tcg_real_module_ss = ss.source_set()
3582 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3583 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3584 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3585 'tcg': tcg_real_module_ss }}
3587 ##############################################
3588 # Internal static_libraries and dependencies #
3589 ##############################################
3591 modinfo_collect = find_program('scripts/modinfo-collect.py')
3592 modinfo_generate = find_program('scripts/modinfo-generate.py')
3597 foreach d, list : modules
3598 if not (d == 'block' ? have_block : have_system)
3602 foreach m, module_ss : list
3604 module_ss = module_ss.apply(config_all_devices, strict: false)
3605 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3606 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3612 if module_ss.sources() != []
3613 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3614 # input. Sources can be used multiple times but objects are
3615 # unique when it comes to lookup in compile_commands.json.
3616 # Depnds on a mesion version with
3617 # https://github.com/mesonbuild/meson/pull/8900
3618 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3619 output: d + '-' + m + '.modinfo',
3620 input: module_ss.sources() + genh,
3622 command: [modinfo_collect, module_ss.sources()])
3626 block_ss.add_all(module_ss)
3628 system_ss.add_all(module_ss)
3634 foreach d, list : target_modules
3635 foreach m, module_ss : list
3637 foreach target : target_dirs
3638 if target.endswith('-softmmu')
3639 config_target = config_target_mak[target]
3640 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3641 c_args = ['-DNEED_CPU_H',
3642 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3643 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3644 target_module_ss = module_ss.apply(config_target, strict: false)
3645 if target_module_ss.sources() != []
3646 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3647 sl = static_library(module_name,
3648 [genh, target_module_ss.sources()],
3649 dependencies: [modulecommon, target_module_ss.dependencies()],
3650 include_directories: target_inc,
3654 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3655 modinfo_files += custom_target(module_name + '.modinfo',
3656 output: module_name + '.modinfo',
3657 input: target_module_ss.sources() + genh,
3659 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3664 specific_ss.add_all(module_ss)
3670 foreach target : target_dirs
3671 if target.endswith('-softmmu')
3672 config_target = config_target_mak[target]
3673 config_devices_mak = target + '-config-devices.mak'
3674 modinfo_src = custom_target('modinfo-' + target + '.c',
3675 output: 'modinfo-' + target + '.c',
3676 input: modinfo_files,
3677 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3680 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3681 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3683 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3684 hw_arch[arch].add(modinfo_dep)
3689 nm = find_program('nm')
3690 undefsym = find_program('scripts/undefsym.py')
3691 block_syms = custom_target('block.syms', output: 'block.syms',
3692 input: [libqemuutil, block_mods],
3694 command: [undefsym, nm, '@INPUT@'])
3695 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3696 input: [libqemuutil, system_mods],
3698 command: [undefsym, nm, '@INPUT@'])
3700 authz_ss = authz_ss.apply({})
3701 libauthz = static_library('authz', authz_ss.sources() + genh,
3702 dependencies: [authz_ss.dependencies()],
3704 build_by_default: false)
3706 authz = declare_dependency(link_whole: libauthz,
3709 crypto_ss = crypto_ss.apply({})
3710 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3711 dependencies: [crypto_ss.dependencies()],
3713 build_by_default: false)
3715 crypto = declare_dependency(link_whole: libcrypto,
3716 dependencies: [authz, qom])
3718 io_ss = io_ss.apply({})
3719 libio = static_library('io', io_ss.sources() + genh,
3720 dependencies: [io_ss.dependencies()],
3721 link_with: libqemuutil,
3723 build_by_default: false)
3725 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3727 libmigration = static_library('migration', sources: migration_files + genh,
3729 build_by_default: false)
3730 migration = declare_dependency(link_with: libmigration,
3731 dependencies: [zlib, qom, io])
3732 system_ss.add(migration)
3734 block_ss = block_ss.apply({})
3735 libblock = static_library('block', block_ss.sources() + genh,
3736 dependencies: block_ss.dependencies(),
3737 link_depends: block_syms,
3739 build_by_default: false)
3741 block = declare_dependency(link_whole: [libblock],
3742 link_args: '@block.syms',
3743 dependencies: [crypto, io])
3745 blockdev_ss = blockdev_ss.apply({})
3746 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3747 dependencies: blockdev_ss.dependencies(),
3749 build_by_default: false)
3751 blockdev = declare_dependency(link_whole: [libblockdev],
3752 dependencies: [block, event_loop_base])
3754 qmp_ss = qmp_ss.apply({})
3755 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3756 dependencies: qmp_ss.dependencies(),
3758 build_by_default: false)
3760 qmp = declare_dependency(link_whole: [libqmp])
3762 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3764 dependencies: chardev_ss.dependencies(),
3765 build_by_default: false)
3767 chardev = declare_dependency(link_whole: libchardev)
3769 hwcore_ss = hwcore_ss.apply({})
3770 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3772 build_by_default: false)
3773 hwcore = declare_dependency(link_whole: libhwcore)
3774 common_ss.add(hwcore)
3780 emulator_modules = []
3781 foreach m : block_mods + system_mods
3782 emulator_modules += shared_module(m.name(),
3783 build_by_default: true,
3787 install_dir: qemu_moddir)
3789 if emulator_modules.length() > 0
3790 alias_target('modules', emulator_modules)
3793 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3794 common_ss.add(qom, qemuutil)
3796 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3797 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3799 # Note that this library is never used directly (only through extract_objects)
3800 # and is not built by default; therefore, source files not used by the build
3801 # configuration will be in build.ninja, but are never built by default.
3802 common_all = static_library('common',
3803 build_by_default: false,
3804 sources: common_ss.all_sources() + genh,
3805 include_directories: common_user_inc,
3806 implicit_include_directories: false,
3807 dependencies: common_ss.all_dependencies(),
3810 feature_to_c = find_program('scripts/feature_to_c.py')
3812 if host_os == 'darwin'
3813 entitlement = find_program('scripts/entitlement.sh')
3817 foreach target : target_dirs
3818 config_target = config_target_mak[target]
3819 target_name = config_target['TARGET_NAME']
3820 target_base_arch = config_target['TARGET_BASE_ARCH']
3821 arch_srcs = [config_target_h[target]]
3823 c_args = ['-DNEED_CPU_H',
3824 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3825 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3826 link_args = emulator_link_args
3828 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3829 if host_os == 'linux'
3830 target_inc += include_directories('linux-headers', is_system: true)
3832 if target.endswith('-softmmu')
3833 target_type='system'
3834 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3835 arch_srcs += t.sources()
3836 arch_deps += t.dependencies()
3838 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3839 if hw_arch.has_key(hw_dir)
3840 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3841 arch_srcs += hw.sources()
3842 arch_deps += hw.dependencies()
3845 arch_srcs += config_devices_h[target]
3846 link_args += ['@block.syms', '@qemu.syms']
3848 abi = config_target['TARGET_ABI_DIR']
3850 target_inc += common_user_inc
3851 if target_base_arch in target_user_arch
3852 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3853 arch_srcs += t.sources()
3854 arch_deps += t.dependencies()
3856 if 'CONFIG_LINUX_USER' in config_target
3857 base_dir = 'linux-user'
3859 if 'CONFIG_BSD_USER' in config_target
3860 base_dir = 'bsd-user'
3861 target_inc += include_directories('bsd-user/' / host_os)
3862 target_inc += include_directories('bsd-user/host/' / host_arch)
3863 dir = base_dir / abi
3864 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3866 target_inc += include_directories(
3870 if 'CONFIG_LINUX_USER' in config_target
3871 dir = base_dir / abi
3872 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3873 if config_target.has_key('TARGET_SYSTBL_ABI')
3875 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3876 extra_args : config_target['TARGET_SYSTBL_ABI'])
3881 if 'TARGET_XML_FILES' in config_target
3882 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3883 output: target + '-gdbstub-xml.c',
3884 input: files(config_target['TARGET_XML_FILES'].split()),
3885 command: [feature_to_c, '@INPUT@'],
3887 arch_srcs += gdbstub_xml
3890 t = target_arch[target_base_arch].apply(config_target, strict: false)
3891 arch_srcs += t.sources()
3892 arch_deps += t.dependencies()
3894 target_common = common_ss.apply(config_target, strict: false)
3895 objects = common_all.extract_objects(target_common.sources())
3896 deps = target_common.dependencies()
3898 target_specific = specific_ss.apply(config_target, strict: false)
3899 arch_srcs += target_specific.sources()
3900 arch_deps += target_specific.dependencies()
3902 lib = static_library('qemu-' + target,
3903 sources: arch_srcs + genh,
3904 dependencies: arch_deps,
3906 include_directories: target_inc,
3908 build_by_default: false,
3911 if target.endswith('-softmmu')
3913 'name': 'qemu-system-' + target_name,
3914 'win_subsystem': 'console',
3915 'sources': files('system/main.c'),
3918 if host_os == 'windows' and (sdl.found() or gtk.found())
3920 'name': 'qemu-system-' + target_name + 'w',
3921 'win_subsystem': 'windows',
3922 'sources': files('system/main.c'),
3926 if get_option('fuzzing')
3927 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3929 'name': 'qemu-fuzz-' + target_name,
3930 'win_subsystem': 'console',
3931 'sources': specific_fuzz.sources(),
3932 'dependencies': specific_fuzz.dependencies(),
3937 'name': 'qemu-' + target_name,
3938 'win_subsystem': 'console',
3944 exe_name = exe['name']
3945 if host_os == 'darwin'
3946 exe_name += '-unsigned'
3949 emulator = executable(exe_name, exe['sources'],
3952 dependencies: arch_deps + deps + exe['dependencies'],
3953 objects: lib.extract_all_objects(recursive: true),
3954 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3955 link_args: link_args,
3956 win_subsystem: exe['win_subsystem'])
3958 if host_os == 'darwin'
3959 icon = 'pc-bios/qemu.rsrc'
3960 build_input = [emulator, files(icon)]
3962 get_option('bindir') / exe_name,
3963 meson.current_source_dir() / icon
3965 if 'CONFIG_HVF' in config_target
3966 entitlements = 'accel/hvf/entitlements.plist'
3967 build_input += files(entitlements)
3968 install_input += meson.current_source_dir() / entitlements
3971 emulators += {exe['name'] : custom_target(exe['name'],
3973 output: exe['name'],
3974 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3977 meson.add_install_script(entitlement, '--install',
3978 get_option('bindir') / exe['name'],
3981 emulators += {exe['name']: emulator}
3986 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3987 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3988 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3989 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3991 custom_target(exe['name'] + stp['ext'],
3992 input: trace_events_all,
3993 output: exe['name'] + stp['ext'],
3994 install: stp['install'],
3995 install_dir: get_option('datadir') / 'systemtap/tapset',
3997 tracetool, '--group=all', '--format=' + stp['fmt'],
3998 '--binary=' + stp['bin'],
3999 '--target-name=' + target_name,
4000 '--target-type=' + target_type,
4001 '--probe-prefix=qemu.' + target_type + '.' + target_name,
4002 '@INPUT@', '@OUTPUT@'
4004 depend_files: tracetool_depends)
4010 # Other build targets
4012 if get_option('plugins')
4013 install_headers('include/qemu/qemu-plugin.h')
4014 if host_os == 'windows'
4015 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4016 # so that plugin authors can compile against it.
4017 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4023 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4024 # when we don't build tools or system
4025 if xkbcommon.found()
4026 # used for the update-keymaps target, so include rules even if !have_tools
4027 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4028 dependencies: [qemuutil, xkbcommon], install: have_tools)
4032 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4033 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4034 qemu_io = executable('qemu-io', files('qemu-io.c'),
4035 dependencies: [block, qemuutil], install: true)
4036 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4037 dependencies: [blockdev, qemuutil, gnutls, selinux],
4040 subdir('storage-daemon')
4041 subdir('contrib/rdmacm-mux')
4042 subdir('contrib/elf2dmp')
4044 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4045 dependencies: qemuutil,
4049 subdir('contrib/vhost-user-blk')
4050 subdir('contrib/vhost-user-gpu')
4051 subdir('contrib/vhost-user-input')
4052 subdir('contrib/vhost-user-scsi')
4055 if host_os == 'linux'
4056 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4057 dependencies: [qemuutil, libcap_ng],
4059 install_dir: get_option('libexecdir'))
4061 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4062 dependencies: [authz, crypto, io, qom, qemuutil,
4063 libcap_ng, mpathpersist],
4068 subdir('contrib/ivshmem-client')
4069 subdir('contrib/ivshmem-server')
4082 if host_machine.system() == 'windows'
4084 find_program('scripts/nsis.py'),
4086 get_option('prefix'),
4087 meson.current_source_dir(),
4088 glib_pc.get_variable('bindir'),
4091 '-DDISPLAYVERSION=' + meson.project_version(),
4094 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4097 nsis_cmd += '-DCONFIG_GTK=y'
4100 nsis = custom_target('nsis',
4101 output: 'qemu-setup-' + meson.project_version() + '.exe',
4102 input: files('qemu.nsi'),
4103 build_always_stale: true,
4104 command: nsis_cmd + ['@INPUT@'])
4105 alias_target('installer', nsis)
4108 #########################
4109 # Configuration summary #
4110 #########################
4114 summary_info += {'Build directory': meson.current_build_dir()}
4115 summary_info += {'Source path': meson.current_source_dir()}
4116 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4117 summary(summary_info, bool_yn: true, section: 'Build environment')
4120 summary_info += {'Install prefix': get_option('prefix')}
4121 summary_info += {'BIOS directory': qemu_datadir}
4122 pathsep = host_os == 'windows' ? ';' : ':'
4123 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4124 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4125 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4126 summary_info += {'module directory': qemu_moddir}
4127 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4128 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4129 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4130 if host_os != 'windows'
4131 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4132 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4134 summary_info += {'local state directory': 'queried at runtime'}
4136 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4137 summary(summary_info, bool_yn: true, section: 'Directories')
4141 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4142 summary_info += {'sphinx-build': sphinx_build}
4144 # FIXME: the [binaries] section of machine files, which can be probed
4145 # with find_program(), would be great for passing gdb and genisoimage
4146 # paths from configure to Meson. However, there seems to be no way to
4147 # hide a program (for example if gdb is too old).
4148 if config_host.has_key('GDB')
4149 summary_info += {'gdb': config_host['GDB']}
4151 summary_info += {'iasl': iasl}
4152 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4153 if host_os == 'windows' and have_ga
4154 summary_info += {'wixl': wixl}
4156 if slirp.found() and have_system
4157 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4159 summary(summary_info, bool_yn: true, section: 'Host binaries')
4161 # Configurable features
4163 summary_info += {'Documentation': build_docs}
4164 summary_info += {'system-mode emulation': have_system}
4165 summary_info += {'user-mode emulation': have_user}
4166 summary_info += {'block layer': have_block}
4167 summary_info += {'Install blobs': get_option('install_blobs')}
4168 summary_info += {'module support': enable_modules}
4170 summary_info += {'alternative module path': get_option('module_upgrades')}
4172 summary_info += {'fuzzing support': get_option('fuzzing')}
4174 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4176 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4177 if 'simple' in get_option('trace_backends')
4178 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4180 summary_info += {'D-Bus display': dbus_display}
4181 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4182 summary_info += {'Relocatable install': get_option('relocatable')}
4183 summary_info += {'vhost-kernel support': have_vhost_kernel}
4184 summary_info += {'vhost-net support': have_vhost_net}
4185 summary_info += {'vhost-user support': have_vhost_user}
4186 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4187 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4188 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4189 summary_info += {'build guest agent': have_ga}
4190 summary(summary_info, bool_yn: true, section: 'Configurable features')
4192 # Compilation information
4194 summary_info += {'host CPU': cpu}
4195 summary_info += {'host endianness': build_machine.endian()}
4196 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4197 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4198 if 'cpp' in all_languages
4199 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4201 summary_info += {'C++ compiler': false}
4203 if 'objc' in all_languages
4204 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4206 summary_info += {'Objective-C compiler': false}
4208 option_cflags = (get_option('debug') ? ['-g'] : [])
4209 if get_option('optimization') != 'plain'
4210 option_cflags += ['-O' + get_option('optimization')]
4212 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4213 if 'cpp' in all_languages
4214 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4216 if 'objc' in all_languages
4217 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4219 link_args = get_option('c_link_args')
4220 if link_args.length() > 0
4221 summary_info += {'LDFLAGS': ' '.join(link_args)}
4223 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4224 if 'cpp' in all_languages
4225 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4227 if 'objc' in all_languages
4228 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4230 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4231 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4232 summary_info += {'PIE': get_option('b_pie')}
4233 summary_info += {'static build': get_option('prefer_static')}
4234 summary_info += {'malloc trim support': has_malloc_trim}
4235 summary_info += {'membarrier': have_membarrier}
4236 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4237 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4238 summary_info += {'mutex debugging': get_option('debug_mutex')}
4239 summary_info += {'memory allocator': get_option('malloc')}
4240 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4241 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4242 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4243 summary_info += {'gcov': get_option('b_coverage')}
4244 summary_info += {'thread sanitizer': get_option('tsan')}
4245 summary_info += {'CFI support': get_option('cfi')}
4246 if get_option('cfi')
4247 summary_info += {'CFI debug support': get_option('cfi_debug')}
4249 summary_info += {'strip binaries': get_option('strip')}
4250 summary_info += {'sparse': sparse}
4251 summary_info += {'mingw32 support': host_os == 'windows'}
4252 summary(summary_info, bool_yn: true, section: 'Compilation')
4254 # snarf the cross-compilation information for tests
4257 foreach target: target_dirs
4258 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4259 if fs.exists(tcg_mak)
4260 config_cross_tcg = keyval.load(tcg_mak)
4261 if 'CC' in config_cross_tcg
4262 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4268 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4271 # Targets and accelerators
4274 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4275 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4276 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4277 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4278 summary_info += {'Xen support': xen.found()}
4280 summary_info += {'xen ctrl version': xen.version()}
4282 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4284 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4285 if config_all_accel.has_key('CONFIG_TCG')
4286 if get_option('tcg_interpreter')
4287 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4289 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4291 summary_info += {'TCG plugins': get_option('plugins')}
4292 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4294 summary_info += {'target list': ' '.join(target_dirs)}
4296 summary_info += {'default devices': get_option('default_devices')}
4297 summary_info += {'out of process emulation': multiprocess_allowed}
4298 summary_info += {'vfio-user server': vfio_user_server_allowed}
4300 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4304 summary_info += {'coroutine backend': coroutine_backend}
4305 summary_info += {'coroutine pool': have_coroutine_pool}
4307 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4308 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4309 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4310 summary_info += {'VirtFS (9P) support': have_virtfs}
4311 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4312 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
4313 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4314 summary_info += {'bochs support': get_option('bochs').allowed()}
4315 summary_info += {'cloop support': get_option('cloop').allowed()}
4316 summary_info += {'dmg support': get_option('dmg').allowed()}
4317 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4318 summary_info += {'vdi support': get_option('vdi').allowed()}
4319 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4320 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4321 summary_info += {'vpc support': get_option('vpc').allowed()}
4322 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4323 summary_info += {'qed support': get_option('qed').allowed()}
4324 summary_info += {'parallels support': get_option('parallels').allowed()}
4325 summary_info += {'FUSE exports': fuse}
4326 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4328 summary(summary_info, bool_yn: true, section: 'Block layer support')
4332 summary_info += {'TLS priority': get_option('tls_priority')}
4333 summary_info += {'GNUTLS support': gnutls}
4335 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4337 summary_info += {'libgcrypt': gcrypt}
4338 summary_info += {'nettle': nettle}
4340 summary_info += {' XTS': xts != 'private'}
4342 summary_info += {'SM4 ALG support': crypto_sm4}
4343 summary_info += {'AF_ALG support': have_afalg}
4344 summary_info += {'rng-none': get_option('rng_none')}
4345 summary_info += {'Linux keyring': have_keyring}
4346 summary_info += {'Linux keyutils': keyutils}
4347 summary(summary_info, bool_yn: true, section: 'Crypto')
4351 if host_os == 'darwin'
4352 summary_info += {'Cocoa support': cocoa}
4354 summary_info += {'SDL support': sdl}
4355 summary_info += {'SDL image support': sdl_image}
4356 summary_info += {'GTK support': gtk}
4357 summary_info += {'pixman': pixman}
4358 summary_info += {'VTE support': vte}
4359 summary_info += {'PNG support': png}
4360 summary_info += {'VNC support': vnc}
4362 summary_info += {'VNC SASL support': sasl}
4363 summary_info += {'VNC JPEG support': jpeg}
4365 summary_info += {'spice protocol support': spice_protocol}
4366 if spice_protocol.found()
4367 summary_info += {' spice server support': spice}
4369 summary_info += {'curses support': curses}
4370 summary_info += {'brlapi support': brlapi}
4371 summary(summary_info, bool_yn: true, section: 'User interface')
4375 summary_info += {'VirGL support': virgl}
4376 summary_info += {'Rutabaga support': rutabaga}
4377 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4381 if host_os not in ['darwin', 'haiku', 'windows']
4382 summary_info += {'OSS support': oss}
4383 summary_info += {'sndio support': sndio}
4384 elif host_os == 'darwin'
4385 summary_info += {'CoreAudio support': coreaudio}
4386 elif host_os == 'windows'
4387 summary_info += {'DirectSound support': dsound}
4389 if host_os == 'linux'
4390 summary_info += {'ALSA support': alsa}
4391 summary_info += {'PulseAudio support': pulse}
4393 summary_info += {'PipeWire support': pipewire}
4394 summary_info += {'JACK support': jack}
4395 summary(summary_info, bool_yn: true, section: 'Audio backends')
4399 if host_os == 'darwin'
4400 summary_info += {'vmnet.framework support': vmnet}
4402 summary_info += {'AF_XDP support': libxdp}
4403 summary_info += {'slirp support': slirp}
4404 summary_info += {'vde support': vde}
4405 summary_info += {'netmap support': have_netmap}
4406 summary_info += {'l2tpv3 support': have_l2tpv3}
4407 summary(summary_info, bool_yn: true, section: 'Network backends')
4411 summary_info += {'libtasn1': tasn1}
4412 summary_info += {'PAM': pam}
4413 summary_info += {'iconv support': iconv}
4414 summary_info += {'blkio support': blkio}
4415 summary_info += {'curl support': curl}
4416 summary_info += {'Multipath support': mpathpersist}
4417 summary_info += {'Linux AIO support': libaio}
4418 summary_info += {'Linux io_uring support': linux_io_uring}
4419 summary_info += {'ATTR/XATTR support': libattr}
4420 summary_info += {'RDMA support': rdma}
4421 summary_info += {'PVRDMA support': have_pvrdma}
4422 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
4423 summary_info += {'libcap-ng support': libcap_ng}
4424 summary_info += {'bpf support': libbpf}
4425 summary_info += {'rbd support': rbd}
4426 summary_info += {'smartcard support': cacard}
4427 summary_info += {'U2F support': u2f}
4428 summary_info += {'libusb': libusb}
4429 summary_info += {'usb net redir': usbredir}
4430 summary_info += {'OpenGL support (epoxy)': opengl}
4431 summary_info += {'GBM': gbm}
4432 summary_info += {'libiscsi support': libiscsi}
4433 summary_info += {'libnfs support': libnfs}
4434 if host_os == 'windows'
4436 summary_info += {'QGA VSS support': have_qga_vss}
4439 summary_info += {'seccomp support': seccomp}
4440 summary_info += {'GlusterFS support': glusterfs}
4441 summary_info += {'hv-balloon support': hv_balloon}
4442 summary_info += {'TPM support': have_tpm}
4443 summary_info += {'libssh support': libssh}
4444 summary_info += {'lzo support': lzo}
4445 summary_info += {'snappy support': snappy}
4446 summary_info += {'bzip2 support': libbzip2}
4447 summary_info += {'lzfse support': liblzfse}
4448 summary_info += {'zstd support': zstd}
4449 summary_info += {'NUMA host support': numa}
4450 summary_info += {'capstone': capstone}
4451 summary_info += {'libpmem support': libpmem}
4452 summary_info += {'libdaxctl support': libdaxctl}
4453 summary_info += {'libudev': libudev}
4454 # Dummy dependency, keep .found()
4455 summary_info += {'FUSE lseek': fuse_lseek.found()}
4456 summary_info += {'selinux': selinux}
4457 summary_info += {'libdw': libdw}
4458 if host_os == 'freebsd'
4459 summary_info += {'libinotify-kqueue': inotify}
4461 summary(summary_info, bool_yn: true, section: 'Dependencies')
4463 if host_arch == 'unknown'
4465 warning('UNSUPPORTED HOST CPU')
4467 message('Support for CPU host architecture ' + cpu + ' is not currently')
4468 message('maintained. The QEMU project does not guarantee that QEMU will')
4469 message('compile or work on this host CPU. You can help by volunteering')
4470 message('to maintain it and providing a build host for our continuous')
4471 message('integration setup.')
4472 if get_option('tcg').allowed() and target_dirs.length() > 0
4474 message('configure has succeeded and you can continue to build, but')
4475 message('QEMU will use a slow interpreter to emulate the target CPU.')
4479 if not supported_oses.contains(host_os)
4481 warning('UNSUPPORTED HOST OS')
4483 message('Support for host OS ' + host_os + 'is not currently maintained.')
4484 message('configure has succeeded and you can continue to build, but')
4485 message('the QEMU project does not guarantee that QEMU will compile or')
4486 message('work on this operating system. You can help by volunteering')
4487 message('to maintain it and providing a build host for our continuous')
4488 message('integration setup. This will ensure that future versions of QEMU')
4489 message('will keep working on ' + host_os + '.')
4492 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4494 message('If you want to help supporting QEMU on this platform, please')
4495 message('contact the developers at qemu-devel@nongnu.org.')
4498 actually_reloc = get_option('relocatable')
4499 # check if get_relocated_path() is actually able to relocate paths
4500 if get_option('relocatable') and \
4501 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4503 warning('bindir not included within prefix, the installation will not be relocatable.')
4504 actually_reloc = false
4506 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4507 if host_os == 'windows'
4509 warning('Windows installs should usually be relocatable.')
4512 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4513 message('Use --disable-relocatable to remove this warning.')