1 project('qemu', ['c'], meson_version: '>=0.63.0',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
16 not_found = dependency('', required: false)
17 keyval = import('keyval')
18 ss = import('sourceset')
21 host_os = host_machine.system()
22 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
24 # Temporary directory used for files created while
25 # configure runs. Since it is in the build directory
26 # we can safely blow away any previous version of it
27 # (and we need not jump through hoops to try to delete
28 # it when configure exits.)
29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
31 if get_option('qemu_suffix').startswith('/')
32 error('qemu_suffix cannot start with a /')
35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
40 qemu_desktopdir = get_option('datadir') / 'applications'
41 qemu_icondir = get_option('datadir') / 'icons'
44 qapi_trace_events = []
46 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
47 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
48 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
49 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
51 cpu = host_machine.cpu_family()
53 target_dirs = config_host['TARGET_DIRS'].split()
59 sh = find_program('sh')
60 python = import('python').find_installation()
62 cc = meson.get_compiler('c')
64 if host_os == 'windows' and add_languages('cpp', required: false, native: false)
65 all_languages += ['cpp']
66 cxx = meson.get_compiler('cpp')
68 if host_os == 'darwin' and \
69 add_languages('objc', required: true, native: false)
70 all_languages += ['objc']
71 objc = meson.get_compiler('objc')
76 if 'dtrace' in get_option('trace_backends')
77 dtrace = find_program('dtrace', required: true)
78 stap = find_program('stap', required: false)
80 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
81 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
82 # instead. QEMU --enable-modules depends on this because the SystemTap
83 # semaphores are linked into the main binary and not the module's shared
85 add_global_arguments('-DSTAP_SDT_V2',
86 native: false, language: all_languages)
90 if get_option('iasl') == ''
91 iasl = find_program('iasl', required: false)
93 iasl = find_program(get_option('iasl'), required: true)
96 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
97 unpack_edk2_blobs = false
98 foreach target : edk2_targets
99 if target in target_dirs
100 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
101 unpack_edk2_blobs = bzip2.found()
106 #####################
107 # Option validation #
108 #####################
111 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
114 #include <sys/types.h>
115 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
116 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
118 args: ['-Werror', '-fsanitize=fuzzer'])
119 error('Your compiler does not support -fsanitize=fuzzer')
123 if 'ftrace' in get_option('trace_backends') and host_os != 'linux'
124 error('ftrace is supported only on Linux')
126 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
129 openlog("qemu", LOG_PID, LOG_DAEMON);
130 syslog(LOG_INFO, "configure");
133 error('syslog is not supported on this system')
136 # Miscellaneous Linux-only features
137 get_option('mpath') \
138 .require(host_os == 'linux', error_message: 'Multipath is supported only on Linux')
140 multiprocess_allowed = get_option('multiprocess') \
141 .require(host_os == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
144 vfio_user_server_allowed = get_option('vfio_user_server') \
145 .require(host_os == 'linux', error_message: 'vfio-user server is supported only on Linux') \
148 have_tpm = get_option('tpm') \
149 .require(host_os != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
153 have_vhost_user = get_option('vhost_user') \
154 .disable_auto_if(host_os != 'linux') \
155 .require(host_os != 'windows',
156 error_message: 'vhost-user is not available on Windows').allowed()
157 have_vhost_vdpa = get_option('vhost_vdpa') \
158 .require(host_os == 'linux',
159 error_message: 'vhost-vdpa is only available on Linux').allowed()
160 have_vhost_kernel = get_option('vhost_kernel') \
161 .require(host_os == 'linux',
162 error_message: 'vhost-kernel is only available on Linux').allowed()
163 have_vhost_user_crypto = get_option('vhost_crypto') \
164 .require(have_vhost_user,
165 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
167 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
169 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
170 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
171 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
172 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
174 # type of binaries to build
175 have_linux_user = false
176 have_bsd_user = false
178 foreach target : target_dirs
179 have_linux_user = have_linux_user or target.endswith('linux-user')
180 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
181 have_system = have_system or target.endswith('-softmmu')
183 have_user = have_linux_user or have_bsd_user
185 have_tools = get_option('tools') \
186 .disable_auto_if(not have_system) \
188 have_ga = get_option('guest_agent') \
189 .disable_auto_if(not have_system and not have_tools) \
190 .require(host_os in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
191 error_message: 'unsupported OS for QEMU guest agent') \
193 have_block = have_system or have_tools
195 enable_modules = get_option('modules') \
196 .require(host_os != 'windows',
197 error_message: 'Modules are not available for Windows') \
198 .require(not get_option('prefer_static'),
199 error_message: 'Modules are incompatible with static linking') \
202 #######################################
203 # Variables for host and accelerators #
204 #######################################
206 if cpu not in supported_cpus
207 host_arch = 'unknown'
212 elif cpu in ['riscv32', 'riscv64']
218 if cpu in ['x86', 'x86_64']
219 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
220 elif cpu == 'aarch64'
221 kvm_targets = ['aarch64-softmmu']
223 kvm_targets = ['s390x-softmmu']
224 elif cpu in ['ppc', 'ppc64']
225 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
226 elif cpu in ['mips', 'mips64']
227 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
228 elif cpu in ['riscv32']
229 kvm_targets = ['riscv32-softmmu']
230 elif cpu in ['riscv64']
231 kvm_targets = ['riscv64-softmmu']
232 elif cpu in ['loongarch64']
233 kvm_targets = ['loongarch64-softmmu']
237 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
239 if cpu in ['x86', 'x86_64']
240 xen_targets = ['i386-softmmu', 'x86_64-softmmu']
241 elif cpu in ['arm', 'aarch64']
242 # i386 emulator provides xenpv machine type for multiple architectures
243 xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
247 accelerator_targets += { 'CONFIG_XEN': xen_targets }
249 if cpu in ['aarch64']
250 accelerator_targets += {
251 'CONFIG_HVF': ['aarch64-softmmu']
255 if cpu in ['x86', 'x86_64']
256 accelerator_targets += {
257 'CONFIG_HVF': ['x86_64-softmmu'],
258 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
259 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
264 # Darwin does not support references to thread-local variables in modules
265 if host_os != 'darwin'
266 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
273 foreach lang : all_languages
274 compiler = meson.get_compiler(lang)
275 if compiler.get_id() == 'gcc' and compiler.version().version_compare('>=7.4')
277 elif compiler.get_id() == 'clang' and compiler.compiles('''
278 #ifdef __apple_build_version__
279 # if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
280 # error You need at least XCode Clang v12.0 to compile QEMU
283 # if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
284 # error You need at least Clang v10.0 to compile QEMU
289 error('You either need GCC v7.4 or Clang v10.0 (or XCode Clang v12.0) to compile QEMU')
293 # default flags for all hosts
294 # We use -fwrapv to tell the compiler that we require a C dialect where
295 # left shift of signed integers is well defined and has the expected
296 # 2s-complement style results. (Both clang and gcc agree that it
297 # provides these semantics.)
299 qemu_common_flags = [
300 '-D_GNU_SOURCE', '-D_FILE_OFFSET_BITS=64', '-D_LARGEFILE_SOURCE',
301 '-fno-strict-aliasing', '-fno-common', '-fwrapv' ]
305 if host_os == 'darwin'
306 # Disable attempts to use ObjectiveC features in os/object.h since they
307 # won't work when we're compiling with gcc as a C compiler.
308 if compiler.get_id() == 'gcc'
309 qemu_common_flags += '-DOS_OBJECT_USE_OBJC=0'
311 elif host_os == 'sunos'
312 # needed for CMSG_ macros in sys/socket.h
313 qemu_common_flags += '-D_XOPEN_SOURCE=600'
314 # needed for TIOCWIN* defines in termios.h
315 qemu_common_flags += '-D__EXTENSIONS__'
316 elif host_os == 'haiku'
317 qemu_common_flags += ['-DB_USE_POSITIVE_POSIX_ERRORS', '-D_BSD_SOURCE', '-fPIC']
320 # __sync_fetch_and_and requires at least -march=i486. Many toolchains
321 # use i686 as default anyway, but for those that don't, an explicit
322 # specification is necessary
323 if host_arch == 'i386' and not cc.links('''
324 static int sfaa(int *ptr)
326 return __sync_fetch_and_and(ptr, 0);
332 val = __sync_val_compare_and_swap(&val, 0, 1);
336 qemu_common_flags = ['-march=i486'] + qemu_common_flags
339 # ??? Only extremely old AMD cpus do not have cmpxchg16b.
340 # If we truly care, we should simply detect this case at
341 # runtime and generate the fallback to serial emulation.
342 if host_arch == 'x86_64'
343 qemu_common_flags = ['-mcx16'] + qemu_common_flags
346 if get_option('prefer_static')
347 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
350 # Meson currently only handles pie as a boolean for now, so if the user
351 # has explicitly disabled PIE we need to extend our cflags.
353 # -no-pie is supposedly a linker flag that has no effect on the compiler
354 # command line, but some distros, that didn't quite know what they were
355 # doing, made local changes to gcc's specs file that turned it into
356 # a compiler command-line flag.
358 # What about linker flags? For a static build, no PIE is implied by -static
359 # which we added above (and if it's not because of the same specs patching,
360 # there's nothing we can do: compilation will fail, report a bug to your
361 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
362 # instead, we can't add -no-pie because it overrides -shared: the linker then
363 # tries to build an executable instead of a shared library and fails. So
364 # don't add -no-pie anywhere and cross fingers. :(
365 if not get_option('b_pie')
366 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
369 if not get_option('stack_protector').disabled()
370 stack_protector_probe = '''
371 int main(int argc, char *argv[])
373 char arr[64], *p = arr, *c = argv[argc - 1];
379 have_stack_protector = false
380 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
381 # We need to check both a compile and a link, since some compiler
382 # setups fail only on a .c->.o compile and some only at link time
383 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
384 cc.links(stack_protector_probe, args: ['-Werror', arg])
385 have_stack_protector = true
391 get_option('stack_protector') \
392 .require(have_stack_protector, error_message: 'Stack protector not supported')
395 coroutine_backend = get_option('coroutine_backend')
397 #include <ucontext.h>
398 #ifdef __stub_makecontext
399 #error Ignoring glibc stub makecontext which will always fail
401 int main(void) { makecontext(0, 0, 0); return 0; }'''
403 # On Windows the only valid backend is the Windows specific one.
404 # For POSIX prefer ucontext, but it's not always possible. The fallback
406 supported_backends = []
407 if host_os == 'windows'
408 supported_backends += ['windows']
410 if host_os != 'darwin' and cc.links(ucontext_probe)
411 supported_backends += ['ucontext']
413 supported_backends += ['sigaltstack']
416 if coroutine_backend == 'auto'
417 coroutine_backend = supported_backends[0]
418 elif coroutine_backend not in supported_backends
419 error('"@0@" backend requested but not available. Available backends: @1@' \
420 .format(coroutine_backend, ', '.join(supported_backends)))
423 # Compiles if SafeStack *not* enabled
424 safe_stack_probe = '''
427 #if defined(__has_feature)
428 #if __has_feature(safe_stack)
429 #error SafeStack Enabled
434 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
435 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
436 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
437 error(get_option('safe_stack') \
438 ? 'SafeStack not supported by your compiler' \
439 : 'Cannot disable SafeStack')
441 qemu_cflags += safe_stack_arg
442 qemu_ldflags += safe_stack_arg
444 if get_option('safe_stack') and coroutine_backend != 'ucontext'
445 error('SafeStack is only supported with the ucontext coroutine backend')
448 if get_option('sanitizers')
449 if cc.has_argument('-fsanitize=address')
450 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
451 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
454 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
455 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
456 args: [qemu_ldflags, '-fsanitize=undefined'])
457 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
458 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
462 # Thread sanitizer is, for now, much noisier than the other sanitizers;
463 # keep it separate until that is not the case.
464 if get_option('tsan')
465 if get_option('sanitizers')
466 error('TSAN is not supported with other sanitizers')
468 if not cc.has_function('__tsan_create_fiber',
469 args: '-fsanitize=thread',
470 prefix: '#include <sanitizer/tsan_interface.h>')
471 error('Cannot enable TSAN due to missing fiber annotation interface')
473 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
474 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
477 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
478 # The combination is known as "full relro", because .got.plt is read-only too.
479 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
481 if host_os == 'windows'
482 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
483 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
486 if get_option('fuzzing')
487 # Specify a filter to only instrument code that is directly related to
489 configure_file(output: 'instrumentation-filter',
490 input: 'scripts/oss-fuzz/instrumentation-filter-template',
493 if cc.compiles('int main () { return 0; }',
494 name: '-fsanitize-coverage-allowlist=/dev/null',
495 args: ['-fsanitize-coverage-allowlist=/dev/null',
496 '-fsanitize-coverage=trace-pc'] )
497 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
500 if get_option('fuzzing_engine') == ''
501 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
502 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
503 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
504 # unable to bind the fuzzer-related callbacks added by instrumentation.
505 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
506 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
507 # For the actual fuzzer binaries, we need to link against the libfuzzer
508 # library. They need to be configurable, to support OSS-Fuzz
509 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
511 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
512 # the needed CFLAGS have already been provided
513 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
519 # Check for dependency on LTO
520 if not get_option('b_lto')
521 error('Selected Control-Flow Integrity but LTO is disabled')
524 error('Selected Control-Flow Integrity is not compatible with modules')
526 # Check for cfi flags. CFI requires LTO so we can't use
527 # get_supported_arguments, but need a more complex "compiles" which allows
529 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
530 args: ['-flto', '-fsanitize=cfi-icall'] )
531 cfi_flags += '-fsanitize=cfi-icall'
533 error('-fsanitize=cfi-icall is not supported by the compiler')
535 if cc.compiles('int main () { return 0; }',
536 name: '-fsanitize-cfi-icall-generalize-pointers',
537 args: ['-flto', '-fsanitize=cfi-icall',
538 '-fsanitize-cfi-icall-generalize-pointers'] )
539 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
541 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
543 if get_option('cfi_debug')
544 if cc.compiles('int main () { return 0; }',
545 name: '-fno-sanitize-trap=cfi-icall',
546 args: ['-flto', '-fsanitize=cfi-icall',
547 '-fno-sanitize-trap=cfi-icall'] )
548 cfi_flags += '-fno-sanitize-trap=cfi-icall'
550 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
553 add_global_arguments(cfi_flags, native: false, language: all_languages)
554 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
557 # Check further flags that make QEMU more robust against malicious parties
560 # Initialize all stack variables to zero. This makes
561 # it harder to take advantage of uninitialized stack
562 # data to drive exploits
563 '-ftrivial-auto-var-init=zero',
566 # Zero out registers used during a function call
567 # upon its return. This makes it harder to assemble
568 # ROP gadgets into something usable
570 # NB: Clang 17 is broken and SEGVs
571 # https://github.com/llvm/llvm-project/issues/75168
573 # NB2: This clashes with the "retguard" extension of OpenBSD's Clang
574 # https://gitlab.com/qemu-project/qemu/-/issues/2278
575 if host_os != 'openbsd' and \
576 cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
577 name: '-fzero-call-used-regs=used-gpr',
578 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
579 hardening_flags += '-fzero-call-used-regs=used-gpr'
582 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
584 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
585 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
587 # Collect warning flags we want to set, sorted alphabetically
589 # First enable interesting warnings
592 '-Wexpansion-to-defined',
595 '-Wignored-qualifiers',
596 '-Wimplicit-fallthrough=2',
598 '-Wmissing-format-attribute',
599 '-Wmissing-prototypes',
601 '-Wold-style-declaration',
602 '-Wold-style-definition',
605 '-Wstrict-prototypes',
611 # Then disable some undesirable warnings
612 '-Wno-gnu-variable-sized-type-not-at-end',
613 '-Wno-initializer-overrides',
614 '-Wno-missing-include-dirs',
616 '-Wno-shift-negative-value',
617 '-Wno-string-plus-int',
618 '-Wno-tautological-type-limit-compare',
619 '-Wno-typedef-redefinition',
622 if host_os != 'darwin'
623 warn_flags += ['-Wthread-safety']
626 # Set up C++ compiler flags
628 if 'cpp' in all_languages
629 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
632 add_project_arguments(qemu_cflags, native: false, language: 'c')
633 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
634 if 'cpp' in all_languages
635 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
636 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
638 if 'objc' in all_languages
639 # Note sanitizer flags are not applied to Objective-C sources!
640 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
642 if host_os == 'linux'
643 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
644 '-isystem', 'linux-headers',
645 language: all_languages)
648 add_project_arguments('-iquote', '.',
649 '-iquote', meson.current_source_dir(),
650 '-iquote', meson.current_source_dir() / 'include',
651 language: all_languages)
653 # If a host-specific include directory exists, list that first...
654 host_include = meson.current_source_dir() / 'host/include/'
655 if fs.is_dir(host_include / host_arch)
656 add_project_arguments('-iquote', host_include / host_arch,
657 language: all_languages)
659 # ... followed by the generic fallback.
660 add_project_arguments('-iquote', host_include / 'generic',
661 language: all_languages)
663 sparse = find_program('cgcc', required: get_option('sparse'))
666 command: [find_program('scripts/check_sparse.py'),
667 'compile_commands.json', sparse.full_path(), '-Wbitwise',
668 '-Wno-transparent-union', '-Wno-old-initializer',
669 '-Wno-non-pointer-null'])
672 #####################################
673 # Host-specific libraries and flags #
674 #####################################
676 libm = cc.find_library('m', required: false)
677 threads = dependency('threads')
678 util = cc.find_library('util', required: false)
684 emulator_link_args = []
689 if host_os == 'windows'
690 midl = find_program('midl', required: false)
691 widl = find_program('widl', required: false)
692 pathcch = cc.find_library('pathcch')
693 socket = cc.find_library('ws2_32')
694 winmm = cc.find_library('winmm')
696 win = import('windows')
697 version_res = win.compile_resources('version.rc',
698 depend_files: files('pc-bios/qemu-nsis.ico'),
699 include_directories: include_directories('.'))
701 elif host_os == 'darwin'
702 coref = dependency('appleframeworks', modules: 'CoreFoundation')
703 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
704 host_dsosuf = '.dylib'
705 elif host_os == 'sunos'
706 socket = [cc.find_library('socket'),
707 cc.find_library('nsl'),
708 cc.find_library('resolv')]
709 elif host_os == 'haiku'
710 socket = [cc.find_library('posix_error_mapper'),
711 cc.find_library('network'),
712 cc.find_library('bsd')]
713 elif host_os == 'openbsd'
714 if get_option('tcg').allowed() and target_dirs.length() > 0
715 # Disable OpenBSD W^X if available
716 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
720 ###############################################
721 # Host-specific configuration of accelerators #
722 ###############################################
725 if get_option('kvm').allowed() and host_os == 'linux'
726 accelerators += 'CONFIG_KVM'
728 if get_option('whpx').allowed() and host_os == 'windows'
729 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
730 error('WHPX requires 64-bit host')
731 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
732 cc.has_header('winhvemulation.h', required: get_option('whpx'))
733 accelerators += 'CONFIG_WHPX'
738 if get_option('hvf').allowed()
739 hvf = dependency('appleframeworks', modules: 'Hypervisor',
740 required: get_option('hvf'))
742 accelerators += 'CONFIG_HVF'
747 if host_os == 'netbsd'
748 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
750 accelerators += 'CONFIG_NVMM'
755 if get_option('tcg').allowed()
756 if host_arch == 'unknown'
757 if not get_option('tcg_interpreter')
758 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
760 elif get_option('tcg_interpreter')
761 warning('Use of the TCG interpreter is not recommended on this host')
762 warning('architecture. There is a native TCG execution backend available')
763 warning('which provides substantially better performance and reliability.')
764 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
765 warning('configuration option on this architecture to use the native')
768 if get_option('tcg_interpreter')
770 elif host_arch == 'x86_64'
772 elif host_arch == 'ppc64'
775 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
776 language: all_languages)
778 accelerators += 'CONFIG_TCG'
781 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
782 error('KVM not available on this platform')
784 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
785 error('HVF not available on this platform')
787 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
788 error('NVMM not available on this platform')
790 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
791 error('WHPX not available on this platform')
795 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
796 xencontrol = dependency('xencontrol', required: false,
797 method: 'pkg-config')
798 if xencontrol.found()
799 xen_pc = declare_dependency(version: xencontrol.version(),
802 # disabler: true makes xen_pc.found() return false if any is not found
803 dependency('xenstore', required: false,
804 method: 'pkg-config',
806 dependency('xenforeignmemory', required: false,
807 method: 'pkg-config',
809 dependency('xengnttab', required: false,
810 method: 'pkg-config',
812 dependency('xenevtchn', required: false,
813 method: 'pkg-config',
815 dependency('xendevicemodel', required: false,
816 method: 'pkg-config',
818 # optional, no "disabler: true"
819 dependency('xentoolcore', required: false,
820 method: 'pkg-config')])
826 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
828 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
829 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
830 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
831 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
832 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
835 foreach ver: xen_tests
836 # cache the various library tests to avoid polluting the logs
838 foreach l: xen_libs[ver]
840 xen_deps += { l: cc.find_library(l, required: false) }
842 xen_test_deps += xen_deps[l]
845 # Use -D to pick just one of the test programs in scripts/xen-detect.c
846 xen_version = ver.split('.')
847 xen_ctrl_version = xen_version[0] + \
848 ('0' + xen_version[1]).substring(-2) + \
849 ('0' + xen_version[2]).substring(-2)
850 if cc.links(files('scripts/xen-detect.c'),
851 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
852 dependencies: xen_test_deps)
853 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
859 accelerators += 'CONFIG_XEN'
860 elif get_option('xen').enabled()
861 error('could not compile and link Xen test program')
864 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
865 .require(xen.found(),
866 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
867 .require(host_os == 'linux',
868 error_message: 'Xen PCI passthrough not available on this platform') \
869 .require(cpu == 'x86' or cpu == 'x86_64',
870 error_message: 'Xen PCI passthrough not available on this platform') \
877 # When bumping glib minimum version, please check also whether to increase
878 # the _WIN32_WINNT setting in osdep.h according to the value from glib
879 glib_req_ver = '>=2.66.0'
880 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
881 method: 'pkg-config')
884 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
885 method: 'pkg-config')
886 elif get_option('plugins')
887 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
888 method: 'pkg-config')
893 # This workaround is required due to a bug in pkg-config file for glib as it
894 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
895 if host_os == 'windows' and get_option('prefer_static')
896 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
899 # Sanity check that the current size_t matches the
900 # size that glib thinks it should be. This catches
901 # problems on multi-arch where people try to build
902 # 32-bit QEMU while pointing at 64-bit glib headers
904 if not cc.compiles('''
908 #define QEMU_BUILD_BUG_ON(x) \
909 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
912 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
914 }''', dependencies: glib_pc, args: glib_cflags)
915 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
916 You probably need to set PKG_CONFIG_LIBDIR" to point
917 to the right pkg-config files for your build target.''')
920 glib = declare_dependency(dependencies: [glib_pc, gmodule],
921 compile_args: glib_cflags,
922 version: glib_pc.version())
924 # Check whether glib has gslice, which we have to avoid for correctness.
925 # TODO: remove this check and the corresponding workaround (qtree) when
926 # the minimum supported glib is >= 2.75.3
927 glib_has_gslice = glib.version().version_compare('<2.75.3')
929 # override glib dep to include the above refinements
930 meson.override_dependency('glib-2.0', glib)
932 # The path to glib.h is added to all compilation commands.
933 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
934 native: false, language: all_languages)
937 gdbus_codegen = not_found
938 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
939 if not get_option('gio').auto() or have_system
940 gio = dependency('gio-2.0', required: get_option('gio'),
941 method: 'pkg-config')
942 if gio.found() and not cc.links('''
946 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
948 }''', dependencies: [glib, gio])
949 if get_option('gio').enabled()
950 error('The installed libgio is broken for static linking')
955 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
956 required: get_option('gio'))
957 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
958 method: 'pkg-config')
959 gio = declare_dependency(dependencies: [gio, gio_unix],
960 version: gio.version())
963 if gdbus_codegen.found() and get_option('cfi')
964 gdbus_codegen = not_found
965 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
968 xml_pp = find_program('scripts/xml-preprocess.py')
971 if 'ust' in get_option('trace_backends')
972 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
973 method: 'pkg-config')
976 if not get_option('pixman').auto() or have_system or have_tools
977 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
978 method: 'pkg-config')
981 zlib = dependency('zlib', required: true)
984 if not get_option('linux_aio').auto() or have_block
985 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
986 required: get_option('linux_aio'))
989 linux_io_uring_test = '''
990 #include <liburing.h>
991 #include <linux/errqueue.h>
993 int main(void) { return 0; }'''
995 linux_io_uring = not_found
996 if not get_option('linux_io_uring').auto() or have_block
997 linux_io_uring = dependency('liburing', version: '>=0.3',
998 required: get_option('linux_io_uring'),
999 method: 'pkg-config')
1000 if not cc.links(linux_io_uring_test)
1001 linux_io_uring = not_found
1006 if not get_option('libnfs').auto() or have_block
1007 libnfs = dependency('libnfs', version: '>=1.9.3',
1008 required: get_option('libnfs'),
1009 method: 'pkg-config')
1014 #include <sys/types.h>
1015 #ifdef CONFIG_LIBATTR
1016 #include <attr/xattr.h>
1018 #include <sys/xattr.h>
1020 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1023 have_old_libattr = false
1024 if get_option('attr').allowed()
1025 if cc.links(libattr_test)
1026 libattr = declare_dependency()
1028 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1029 required: get_option('attr'))
1030 if libattr.found() and not \
1031 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1033 if get_option('attr').enabled()
1034 error('could not link libattr')
1036 warning('could not link libattr, disabling')
1039 have_old_libattr = libattr.found()
1044 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
1045 required: get_option('cocoa'))
1047 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1048 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1049 'VMNET_BRIDGED_MODE',
1050 dependencies: vmnet)
1052 if get_option('vmnet').enabled()
1053 error('vmnet.framework API is outdated')
1055 warning('vmnet.framework API is outdated, disabling')
1060 seccomp_has_sysrawrc = false
1061 if not get_option('seccomp').auto() or have_system or have_tools
1062 seccomp = dependency('libseccomp', version: '>=2.3.0',
1063 required: get_option('seccomp'),
1064 method: 'pkg-config')
1066 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1067 'SCMP_FLTATR_API_SYSRAWRC',
1068 dependencies: seccomp)
1072 libcap_ng = not_found
1073 if not get_option('cap_ng').auto() or have_system or have_tools
1074 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1075 required: get_option('cap_ng'))
1077 if libcap_ng.found() and not cc.links('''
1081 capng_capability_to_name(CAPNG_EFFECTIVE);
1083 }''', dependencies: libcap_ng)
1084 libcap_ng = not_found
1085 if get_option('cap_ng').enabled()
1086 error('could not link libcap-ng')
1088 warning('could not link libcap-ng, disabling')
1092 if get_option('xkbcommon').auto() and not have_system and not have_tools
1093 xkbcommon = not_found
1095 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1096 method: 'pkg-config')
1100 if not get_option('slirp').auto() or have_system
1101 slirp = dependency('slirp', required: get_option('slirp'),
1102 method: 'pkg-config')
1103 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1104 # it passes function pointers within libslirp as callbacks for timers.
1105 # When using a system-wide shared libslirp, the type information for the
1106 # callback is missing and the timer call produces a false positive with CFI.
1107 # Do not use the "version" keyword argument to produce a better error.
1108 # with control-flow integrity.
1109 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1110 if get_option('slirp').enabled()
1111 error('Control-Flow Integrity requires libslirp 4.7.')
1113 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1120 if not get_option('vde').auto() or have_system or have_tools
1121 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1122 required: get_option('vde'))
1124 if vde.found() and not cc.links('''
1125 #include <libvdeplug.h>
1128 struct vde_open_args a = {0, 0, 0};
1132 }''', dependencies: vde)
1134 if get_option('cap_ng').enabled()
1135 error('could not link libvdeplug')
1137 warning('could not link libvdeplug, disabling')
1142 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1143 pulse = dependency('libpulse', required: get_option('pa'),
1144 method: 'pkg-config')
1147 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1148 alsa = dependency('alsa', required: get_option('alsa'),
1149 method: 'pkg-config')
1152 if not get_option('jack').auto() or have_system
1153 jack = dependency('jack', required: get_option('jack'),
1154 method: 'pkg-config')
1156 pipewire = not_found
1157 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1158 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1159 required: get_option('pipewire'),
1160 method: 'pkg-config')
1163 if not get_option('sndio').auto() or have_system
1164 sndio = dependency('sndio', required: get_option('sndio'),
1165 method: 'pkg-config')
1168 spice_protocol = not_found
1169 if not get_option('spice_protocol').auto() or have_system
1170 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1171 required: get_option('spice_protocol'),
1172 method: 'pkg-config')
1175 if get_option('spice') \
1176 .disable_auto_if(not have_system) \
1177 .require(pixman.found(),
1178 error_message: 'cannot enable SPICE if pixman is not available') \
1180 spice = dependency('spice-server', version: '>=0.14.0',
1181 required: get_option('spice'),
1182 method: 'pkg-config')
1184 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1186 rt = cc.find_library('rt', required: false)
1188 libiscsi = not_found
1189 if not get_option('libiscsi').auto() or have_block
1190 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1191 required: get_option('libiscsi'),
1192 method: 'pkg-config')
1195 if not get_option('zstd').auto() or have_block
1196 zstd = dependency('libzstd', version: '>=1.4.0',
1197 required: get_option('zstd'),
1198 method: 'pkg-config')
1202 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1203 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1204 virgl = dependency('virglrenderer',
1205 method: 'pkg-config',
1206 required: get_option('virglrenderer'))
1208 rutabaga = not_found
1209 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1210 rutabaga = dependency('rutabaga_gfx_ffi',
1211 method: 'pkg-config',
1212 required: get_option('rutabaga_gfx'))
1215 if not get_option('blkio').auto() or have_block
1216 blkio = dependency('blkio',
1217 method: 'pkg-config',
1218 required: get_option('blkio'))
1221 if not get_option('curl').auto() or have_block
1222 curl = dependency('libcurl', version: '>=7.29.0',
1223 method: 'pkg-config',
1224 required: get_option('curl'))
1227 if host_os == 'linux' and (have_system or have_tools)
1228 libudev = dependency('libudev',
1229 method: 'pkg-config',
1230 required: get_option('libudev'))
1233 mpathlibs = [libudev]
1234 mpathpersist = not_found
1235 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1236 mpath_test_source = '''
1237 #include <libudev.h>
1238 #include <mpath_persist.h>
1239 unsigned mpath_mx_alloc_len = 1024;
1241 static struct config *multipath_conf;
1242 extern struct udev *udev;
1243 extern struct config *get_multipath_config(void);
1244 extern void put_multipath_config(struct config *conf);
1246 struct config *get_multipath_config(void) { return multipath_conf; }
1247 void put_multipath_config(struct config *conf) { }
1250 multipath_conf = mpath_lib_init();
1253 libmpathpersist = cc.find_library('mpathpersist',
1254 required: get_option('mpath'))
1255 if libmpathpersist.found()
1256 mpathlibs += libmpathpersist
1257 if get_option('prefer_static')
1258 mpathlibs += cc.find_library('devmapper',
1259 required: get_option('mpath'))
1261 mpathlibs += cc.find_library('multipath',
1262 required: get_option('mpath'))
1263 foreach lib: mpathlibs
1269 if mpathlibs.length() == 0
1270 msg = 'Dependencies missing for libmpathpersist'
1271 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1272 mpathpersist = declare_dependency(dependencies: mpathlibs)
1274 msg = 'Cannot detect libmpathpersist API'
1276 if not mpathpersist.found()
1277 if get_option('mpath').enabled()
1280 warning(msg + ', disabling')
1288 if have_system and get_option('curses').allowed()
1290 #if defined(__APPLE__) || defined(__OpenBSD__)
1291 #define _XOPEN_SOURCE_EXTENDED 1
1298 setlocale(LC_ALL, "");
1300 addwstr(L"wide chars\n");
1302 add_wch(WACS_DEGREE);
1306 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1307 curses = dependency(curses_dep_list,
1309 method: 'pkg-config')
1310 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1311 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1313 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1314 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1315 version: curses.version())
1317 msg = 'curses package not usable'
1321 if not curses.found()
1322 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1323 if host_os != 'windows' and not has_curses_h
1324 message('Trying with /usr/include/ncursesw')
1325 curses_compile_args += ['-I/usr/include/ncursesw']
1326 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1329 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1330 foreach curses_libname : curses_libname_list
1331 libcurses = cc.find_library(curses_libname,
1333 if libcurses.found()
1334 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1335 curses = declare_dependency(compile_args: curses_compile_args,
1336 dependencies: [libcurses])
1339 msg = 'curses library not usable'
1345 if get_option('iconv').allowed()
1346 foreach link_args : [ ['-liconv'], [] ]
1347 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1348 # We need to use libiconv if available because mixing libiconv's headers with
1349 # the system libc does not work.
1350 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1351 # included in the command line and libiconv will not be found.
1355 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1356 return conv != (iconv_t) -1;
1357 }''', args: link_args, dependencies: glib)
1358 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1363 if curses.found() and not iconv.found()
1364 if get_option('iconv').enabled()
1365 error('iconv not available')
1367 msg = 'iconv required for curses UI but not available'
1370 if not curses.found() and msg != ''
1371 if get_option('curses').enabled()
1374 warning(msg + ', disabling')
1380 if not get_option('brlapi').auto() or have_system
1381 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1382 required: get_option('brlapi'))
1383 if brlapi.found() and not cc.links('''
1386 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1388 if get_option('brlapi').enabled()
1389 error('could not link brlapi')
1391 warning('could not link brlapi, disabling')
1397 if not get_option('sdl').auto() or have_system
1398 sdl = dependency('sdl2', required: get_option('sdl'))
1399 sdl_image = not_found
1402 # Some versions of SDL have problems with -Wundef
1403 if not cc.compiles('''
1405 #include <SDL_syswm.h>
1406 int main(int argc, char *argv[]) { return 0; }
1407 ''', dependencies: sdl, args: '-Werror=undef')
1408 sdl = declare_dependency(compile_args: '-Wno-undef',
1410 version: sdl.version())
1412 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1413 method: 'pkg-config')
1415 if get_option('sdl_image').enabled()
1416 error('sdl-image required, but SDL was @0@'.format(
1417 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1419 sdl_image = not_found
1423 if not get_option('rbd').auto() or have_block
1424 librados = cc.find_library('rados', required: get_option('rbd'))
1425 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1426 required: get_option('rbd'))
1427 if librados.found() and librbd.found()
1430 #include <rbd/librbd.h>
1433 rados_create(&cluster, NULL);
1434 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1438 }''', dependencies: [librbd, librados])
1439 rbd = declare_dependency(dependencies: [librbd, librados])
1440 elif get_option('rbd').enabled()
1441 error('librbd >= 1.12.0 required')
1443 warning('librbd >= 1.12.0 not found, disabling')
1448 glusterfs = not_found
1449 glusterfs_ftruncate_has_stat = false
1450 glusterfs_iocb_has_stat = false
1451 if not get_option('glusterfs').auto() or have_block
1452 glusterfs = dependency('glusterfs-api', version: '>=3',
1453 required: get_option('glusterfs'),
1454 method: 'pkg-config')
1455 if glusterfs.found()
1456 glusterfs_ftruncate_has_stat = cc.links('''
1457 #include <glusterfs/api/glfs.h>
1462 /* new glfs_ftruncate() passes two additional args */
1463 return glfs_ftruncate(NULL, 0, NULL, NULL);
1465 ''', dependencies: glusterfs)
1466 glusterfs_iocb_has_stat = cc.links('''
1467 #include <glusterfs/api/glfs.h>
1469 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1471 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1477 glfs_io_cbk iocb = &glusterfs_iocb;
1478 iocb(NULL, 0 , NULL, NULL, NULL);
1481 ''', dependencies: glusterfs)
1486 if get_option('hv_balloon').allowed() and have_system
1489 #include <gmodule.h>
1493 tree = g_tree_new((GCompareFunc)strcmp);
1494 (void)g_tree_node_first(tree);
1495 g_tree_destroy(tree);
1498 ''', dependencies: glib)
1501 if get_option('hv_balloon').enabled()
1502 error('could not enable hv-balloon, update your glib')
1504 warning('could not find glib support for hv-balloon, disabling')
1510 if not get_option('libssh').auto() or have_block
1511 libssh = dependency('libssh', version: '>=0.8.7',
1512 method: 'pkg-config',
1513 required: get_option('libssh'))
1516 libbzip2 = not_found
1517 if not get_option('bzip2').auto() or have_block
1518 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1519 required: get_option('bzip2'))
1520 if libbzip2.found() and not cc.links('''
1522 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1523 libbzip2 = not_found
1524 if get_option('bzip2').enabled()
1525 error('could not link libbzip2')
1527 warning('could not link libbzip2, disabling')
1532 liblzfse = not_found
1533 if not get_option('lzfse').auto() or have_block
1534 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1535 required: get_option('lzfse'))
1537 if liblzfse.found() and not cc.links('''
1539 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1540 liblzfse = not_found
1541 if get_option('lzfse').enabled()
1542 error('could not link liblzfse')
1544 warning('could not link liblzfse, disabling')
1549 if get_option('oss').allowed() and have_system
1550 if not cc.has_header('sys/soundcard.h')
1552 elif host_os == 'netbsd'
1553 oss = cc.find_library('ossaudio', required: get_option('oss'))
1555 oss = declare_dependency()
1559 if get_option('oss').enabled()
1560 error('OSS not found')
1565 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1566 if cc.has_header('dsound.h')
1567 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1570 if not dsound.found()
1571 if get_option('dsound').enabled()
1572 error('DirectSound not found')
1577 coreaudio = not_found
1578 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1579 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1580 required: get_option('coreaudio'))
1584 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1585 epoxy = dependency('epoxy', method: 'pkg-config',
1586 required: get_option('opengl'))
1587 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1589 elif get_option('opengl').enabled()
1590 error('epoxy/egl.h not found')
1594 if (have_system or have_tools) and (virgl.found() or opengl.found())
1595 gbm = dependency('gbm', method: 'pkg-config', required: false)
1597 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1600 gnutls_crypto = not_found
1601 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1602 # For general TLS support our min gnutls matches
1603 # that implied by our platform support matrix
1605 # For the crypto backends, we look for a newer
1608 # Version 3.6.8 is needed to get XTS
1609 # Version 3.6.13 is needed to get PBKDF
1610 # Version 3.6.14 is needed to get HW accelerated XTS
1612 # If newer enough gnutls isn't available, we can
1613 # still use a different crypto backend to satisfy
1614 # the platform support requirements
1615 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1616 method: 'pkg-config',
1618 if gnutls_crypto.found()
1619 gnutls = gnutls_crypto
1621 # Our min version if all we need is TLS
1622 gnutls = dependency('gnutls', version: '>=3.5.18',
1623 method: 'pkg-config',
1624 required: get_option('gnutls'))
1628 # We prefer use of gnutls for crypto, unless the options
1629 # explicitly asked for nettle or gcrypt.
1631 # If gnutls isn't available for crypto, then we'll prefer
1632 # gcrypt over nettle for performance reasons.
1636 crypto_sm4 = not_found
1639 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1640 error('Only one of gcrypt & nettle can be enabled')
1643 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1644 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1645 gnutls_crypto = not_found
1648 if not gnutls_crypto.found()
1649 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1650 gcrypt = dependency('libgcrypt', version: '>=1.8',
1651 method: 'config-tool',
1652 required: get_option('gcrypt'))
1653 # Debian has removed -lgpg-error from libgcrypt-config
1654 # as it "spreads unnecessary dependencies" which in
1655 # turn breaks static builds...
1656 if gcrypt.found() and get_option('prefer_static')
1657 gcrypt = declare_dependency(dependencies:
1659 cc.find_library('gpg-error', required: true)],
1660 version: gcrypt.version())
1663 # SM4 ALG is available in libgcrypt >= 1.9
1664 if gcrypt.found() and not cc.links('''
1667 gcry_cipher_hd_t handler;
1668 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1670 }''', dependencies: gcrypt)
1671 crypto_sm4 = not_found
1674 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1675 nettle = dependency('nettle', version: '>=3.4',
1676 method: 'pkg-config',
1677 required: get_option('nettle'))
1678 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1682 # SM4 ALG is available in nettle >= 3.9
1683 if nettle.found() and not cc.links('''
1684 #include <nettle/sm4.h>
1687 unsigned char key[16] = {0};
1688 sm4_set_encrypt_key(&ctx, key);
1690 }''', dependencies: nettle)
1691 crypto_sm4 = not_found
1696 capstone = not_found
1697 if not get_option('capstone').auto() or have_system or have_user
1698 capstone = dependency('capstone', version: '>=3.0.5',
1699 method: 'pkg-config',
1700 required: get_option('capstone'))
1702 # Some versions of capstone have broken pkg-config file
1703 # that reports a wrong -I path, causing the #include to
1704 # fail later. If the system has such a broken version
1706 if capstone.found() and not cc.compiles('#include <capstone.h>',
1707 dependencies: [capstone])
1708 capstone = not_found
1709 if get_option('capstone').enabled()
1710 error('capstone requested, but it does not appear to work')
1715 gmp = dependency('gmp', required: false, method: 'pkg-config')
1716 if nettle.found() and gmp.found()
1717 hogweed = dependency('hogweed', version: '>=3.4',
1718 method: 'pkg-config',
1719 required: get_option('nettle'))
1726 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1728 if get_option('gtk') \
1729 .disable_auto_if(not have_system) \
1730 .require(pixman.found(),
1731 error_message: 'cannot enable GTK if pixman is not available') \
1733 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1734 method: 'pkg-config',
1735 required: get_option('gtk'))
1737 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1738 method: 'pkg-config',
1740 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1741 version: gtk.version())
1743 if not get_option('vte').auto() or have_system
1744 vte = dependency('vte-2.91',
1745 method: 'pkg-config',
1746 required: get_option('vte'))
1748 elif have_gtk_clipboard
1749 error('GTK clipboard requested, but GTK not found')
1755 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1758 if get_option('png').allowed() and have_system
1759 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1760 method: 'pkg-config')
1765 if get_option('vnc') \
1766 .disable_auto_if(not have_system) \
1767 .require(pixman.found(),
1768 error_message: 'cannot enable VNC if pixman is not available') \
1770 vnc = declare_dependency() # dummy dependency
1771 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1772 method: 'pkg-config')
1773 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1774 required: get_option('vnc_sasl'))
1776 sasl = declare_dependency(dependencies: sasl,
1777 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1782 if not get_option('auth_pam').auto() or have_system
1783 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1784 required: get_option('auth_pam'))
1786 if pam.found() and not cc.links('''
1788 #include <security/pam_appl.h>
1790 const char *service_name = "qemu";
1791 const char *user = "frank";
1792 const struct pam_conv pam_conv = { 0 };
1793 pam_handle_t *pamh = NULL;
1794 pam_start(service_name, user, &pam_conv, &pamh);
1796 }''', dependencies: pam)
1798 if get_option('auth_pam').enabled()
1799 error('could not link libpam')
1801 warning('could not link libpam, disabling')
1806 if not get_option('snappy').auto() or have_system
1807 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1808 required: get_option('snappy'))
1810 if snappy.found() and not cc.links('''
1811 #include <snappy-c.h>
1812 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1814 if get_option('snappy').enabled()
1815 error('could not link libsnappy')
1817 warning('could not link libsnappy, disabling')
1822 if not get_option('lzo').auto() or have_system
1823 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1824 required: get_option('lzo'))
1826 if lzo.found() and not cc.links('''
1827 #include <lzo/lzo1x.h>
1828 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1830 if get_option('lzo').enabled()
1831 error('could not link liblzo2')
1833 warning('could not link liblzo2, disabling')
1838 if not get_option('numa').auto() or have_system or have_tools
1839 numa = cc.find_library('numa', has_headers: ['numa.h'],
1840 required: get_option('numa'))
1842 if numa.found() and not cc.links('''
1844 int main(void) { return numa_available(); }
1845 ''', dependencies: numa)
1847 if get_option('numa').enabled()
1848 error('could not link numa')
1850 warning('could not link numa, disabling')
1855 fdt_opt = get_option('fdt')
1856 if fdt_opt == 'enabled' and get_option('wrap_mode') == 'nodownload'
1859 if fdt_opt in ['enabled', 'system'] or (fdt_opt == 'auto' and have_system)
1860 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
1861 if fdt.found() and cc.links('''
1863 #include <libfdt_env.h>
1864 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
1867 elif fdt_opt != 'system'
1868 fdt_opt = get_option('wrap_mode') == 'nodownload' ? 'disabled' : 'internal'
1871 error('system libfdt is too old (1.5.1 or newer required)')
1874 if fdt_opt == 'internal'
1875 assert(not fdt.found())
1876 libfdt_proj = subproject('dtc', required: true,
1877 default_options: ['tools=false', 'yaml=disabled',
1878 'python=disabled', 'default_library=static'])
1879 fdt = libfdt_proj.get_variable('libfdt_dep')
1883 if not get_option('rdma').auto() or have_system
1884 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1885 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1886 required: get_option('rdma')),
1887 cc.find_library('ibverbs', required: get_option('rdma')),
1889 rdma = declare_dependency(dependencies: rdma_libs)
1890 foreach lib: rdma_libs
1898 if not get_option('smartcard').auto() or have_system
1899 cacard = dependency('libcacard', required: get_option('smartcard'),
1900 version: '>=2.5.1', method: 'pkg-config')
1903 if not get_option('u2f').auto() or have_system
1904 u2f = dependency('u2f-emu', required: get_option('u2f'),
1905 method: 'pkg-config')
1908 if not get_option('canokey').auto() or have_system
1909 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1910 method: 'pkg-config')
1912 usbredir = not_found
1913 if not get_option('usb_redir').auto() or have_system
1914 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1915 version: '>=0.6', method: 'pkg-config')
1918 if not get_option('libusb').auto() or have_system
1919 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1920 version: '>=1.0.13', method: 'pkg-config')
1924 if not get_option('libpmem').auto() or have_system
1925 libpmem = dependency('libpmem', required: get_option('libpmem'),
1926 method: 'pkg-config')
1928 libdaxctl = not_found
1929 if not get_option('libdaxctl').auto() or have_system
1930 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1931 version: '>=57', method: 'pkg-config')
1935 tasn1 = dependency('libtasn1',
1936 method: 'pkg-config')
1938 keyutils = not_found
1939 if not get_option('libkeyutils').auto() or have_block
1940 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1941 method: 'pkg-config')
1944 has_gettid = cc.has_function('gettid')
1947 selinux = dependency('libselinux',
1948 required: get_option('selinux'),
1949 method: 'pkg-config')
1954 if get_option('malloc') == 'system'
1956 get_option('malloc_trim').allowed() and \
1957 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
1959 has_malloc_trim = false
1960 malloc = cc.find_library(get_option('malloc'), required: true)
1962 if not has_malloc_trim and get_option('malloc_trim').enabled()
1963 if get_option('malloc') == 'system'
1964 error('malloc_trim not available on this platform.')
1966 error('malloc_trim not available with non-libc memory allocator')
1970 gnu_source_prefix = '''
1976 # Check whether the glibc provides STATX_BASIC_STATS
1978 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
1980 # Check whether statx() provides mount ID information
1982 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
1984 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1985 .require(host_os == 'linux',
1986 error_message: 'vhost_user_blk_server requires linux') \
1987 .require(have_vhost_user,
1988 error_message: 'vhost_user_blk_server requires vhost-user support') \
1989 .disable_auto_if(not have_tools and not have_system) \
1992 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1993 error('Cannot enable fuse-lseek while fuse is disabled')
1996 fuse = dependency('fuse3', required: get_option('fuse'),
1997 version: '>=3.1', method: 'pkg-config')
1999 fuse_lseek = not_found
2000 if get_option('fuse_lseek').allowed()
2001 if fuse.version().version_compare('>=3.8')
2003 fuse_lseek = declare_dependency()
2004 elif get_option('fuse_lseek').enabled()
2006 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
2008 error('fuse-lseek requires libfuse, which was not found')
2013 have_libvduse = (host_os == 'linux')
2014 if get_option('libvduse').enabled()
2015 if host_os != 'linux'
2016 error('libvduse requires linux')
2018 elif get_option('libvduse').disabled()
2019 have_libvduse = false
2022 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2023 if get_option('vduse_blk_export').enabled()
2024 if host_os != 'linux'
2025 error('vduse_blk_export requires linux')
2026 elif not have_libvduse
2027 error('vduse_blk_export requires libvduse support')
2029 elif get_option('vduse_blk_export').disabled()
2030 have_vduse_blk_export = false
2034 bpf_version = '1.1.0'
2035 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2036 if libbpf.found() and not cc.links('''
2037 #include <bpf/libbpf.h>
2038 #include <linux/bpf.h>
2041 // check flag availability
2042 int flag = BPF_F_MMAPABLE;
2043 bpf_object__destroy_skeleton(NULL);
2045 }''', dependencies: libbpf)
2047 if get_option('bpf').enabled()
2048 error('libbpf skeleton/mmaping test failed')
2050 warning('libbpf skeleton/mmaping test failed, disabling')
2056 if not get_option('af_xdp').auto() or have_system
2057 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2058 version: '>=1.4.0', method: 'pkg-config')
2063 if not get_option('libdw').auto() or \
2064 (not get_option('prefer_static') and (have_system or have_user))
2065 libdw = dependency('libdw',
2066 method: 'pkg-config',
2067 required: get_option('libdw'))
2074 config_host_data = configuration_data()
2076 audio_drivers_selected = []
2078 audio_drivers_available = {
2079 'alsa': alsa.found(),
2080 'coreaudio': coreaudio.found(),
2081 'dsound': dsound.found(),
2082 'jack': jack.found(),
2084 'pa': pulse.found(),
2085 'pipewire': pipewire.found(),
2087 'sndio': sndio.found(),
2089 foreach k, v: audio_drivers_available
2090 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2093 # Default to native drivers first, OSS second, SDL third
2094 audio_drivers_priority = \
2095 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2096 (host_os == 'linux' ? [] : [ 'sdl' ])
2097 audio_drivers_default = []
2098 foreach k: audio_drivers_priority
2099 if audio_drivers_available[k]
2100 audio_drivers_default += k
2104 foreach k: get_option('audio_drv_list')
2106 audio_drivers_selected += audio_drivers_default
2107 elif not audio_drivers_available[k]
2108 error('Audio driver "@0@" not available.'.format(k))
2110 audio_drivers_selected += k
2114 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2115 '"' + '", "'.join(audio_drivers_selected) + '", ')
2117 have_host_block_device = (host_os != 'darwin' or
2118 cc.has_header('IOKit/storage/IOMedia.h'))
2120 dbus_display = get_option('dbus_display') \
2121 .require(gio.version().version_compare('>=2.64'),
2122 error_message: '-display dbus requires glib>=2.64') \
2123 .require(gdbus_codegen.found(),
2124 error_message: gdbus_codegen_error.format('-display dbus')) \
2127 have_virtfs = get_option('virtfs') \
2128 .require(host_os == 'linux' or host_os == 'darwin',
2129 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2130 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2131 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2132 .require(host_os == 'darwin' or libattr.found(),
2133 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2134 .disable_auto_if(not have_tools and not have_system) \
2137 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2138 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2139 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2140 .disable_auto_if(not have_tools) \
2141 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2144 if get_option('block_drv_ro_whitelist') == ''
2145 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2147 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2148 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2150 if get_option('block_drv_rw_whitelist') == ''
2151 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2153 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2154 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2157 foreach k : get_option('trace_backends')
2158 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2160 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2161 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2163 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2165 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2166 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2167 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2168 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2169 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2171 qemu_firmwarepath = ''
2172 foreach k : get_option('qemu_firmwarepath')
2173 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2175 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2177 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2178 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2179 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2180 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2181 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2182 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2185 config_host_data.set('CONFIG_STAMP', run_command(
2186 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2187 meson.project_version(), get_option('pkgversion'), '--',
2188 meson.current_source_dir() / 'configure',
2189 capture: true, check: true).stdout().strip())
2192 have_slirp_smbd = get_option('slirp_smbd') \
2193 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2196 smbd_path = get_option('smbd')
2198 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2200 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2203 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2205 kvm_targets_c = '""'
2206 if get_option('kvm').allowed() and host_os == 'linux'
2207 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2209 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2211 if get_option('module_upgrades') and not enable_modules
2212 error('Cannot enable module-upgrades as modules are not enabled')
2214 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2216 config_host_data.set('CONFIG_ATTR', libattr.found())
2217 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2218 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2219 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2220 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2221 config_host_data.set('CONFIG_COCOA', cocoa.found())
2222 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2223 config_host_data.set('CONFIG_FDT', fdt.found())
2224 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2225 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2226 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2227 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2228 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2229 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2230 config_host_data.set('CONFIG_LZO', lzo.found())
2231 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2232 config_host_data.set('CONFIG_BLKIO', blkio.found())
2234 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2235 blkio.version().version_compare('>=1.3.0'))
2237 config_host_data.set('CONFIG_CURL', curl.found())
2238 config_host_data.set('CONFIG_CURSES', curses.found())
2239 config_host_data.set('CONFIG_GBM', gbm.found())
2240 config_host_data.set('CONFIG_GIO', gio.found())
2241 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2242 if glusterfs.found()
2243 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2244 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2245 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2246 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2247 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2248 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2250 config_host_data.set('CONFIG_GTK', gtk.found())
2251 config_host_data.set('CONFIG_VTE', vte.found())
2252 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2253 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2254 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2255 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2256 config_host_data.set('CONFIG_EBPF', libbpf.found())
2257 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2258 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2259 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2260 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2261 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2262 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2263 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2264 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2265 config_host_data.set('CONFIG_MODULES', enable_modules)
2266 config_host_data.set('CONFIG_NUMA', numa.found())
2268 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2269 cc.has_function('numa_has_preferred_many',
2270 dependencies: numa))
2272 config_host_data.set('CONFIG_OPENGL', opengl.found())
2273 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2274 config_host_data.set('CONFIG_RBD', rbd.found())
2275 config_host_data.set('CONFIG_RDMA', rdma.found())
2276 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2277 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2278 config_host_data.set('CONFIG_SDL', sdl.found())
2279 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2280 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2282 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2284 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2285 config_host_data.set('CONFIG_SLIRP', slirp.found())
2286 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2287 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2288 if get_option('tcg').allowed()
2289 config_host_data.set('CONFIG_TCG', 1)
2290 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2292 config_host_data.set('CONFIG_TPM', have_tpm)
2293 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2294 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2295 config_host_data.set('CONFIG_VDE', vde.found())
2296 config_host_data.set('CONFIG_VHOST', have_vhost)
2297 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2298 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2299 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2300 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2301 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2302 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2303 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2304 config_host_data.set('CONFIG_VMNET', vmnet.found())
2305 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2306 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2307 config_host_data.set('CONFIG_PNG', png.found())
2308 config_host_data.set('CONFIG_VNC', vnc.found())
2309 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2310 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2312 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2313 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2314 prefix: '#include <virglrenderer.h>',
2315 dependencies: virgl))
2317 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2318 config_host_data.set('CONFIG_VTE', vte.found())
2319 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2320 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2321 config_host_data.set('CONFIG_GETTID', has_gettid)
2322 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2323 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2324 config_host_data.set('CONFIG_TASN1', tasn1.found())
2325 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2326 config_host_data.set('CONFIG_NETTLE', nettle.found())
2327 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2328 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2329 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2330 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2331 config_host_data.set('CONFIG_STATX', has_statx)
2332 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2333 config_host_data.set('CONFIG_ZSTD', zstd.found())
2334 config_host_data.set('CONFIG_FUSE', fuse.found())
2335 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2336 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2337 if spice_protocol.found()
2338 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2339 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2340 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2342 config_host_data.set('CONFIG_SPICE', spice.found())
2343 config_host_data.set('CONFIG_X11', x11.found())
2344 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2345 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2346 config_host_data.set('CONFIG_SELINUX', selinux.found())
2347 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2348 config_host_data.set('CONFIG_LIBDW', libdw.found())
2350 # protect from xen.version() having less than three components
2351 xen_version = xen.version().split('.') + ['0', '0']
2352 xen_ctrl_version = xen_version[0] + \
2353 ('0' + xen_version[1]).substring(-2) + \
2354 ('0' + xen_version[2]).substring(-2)
2355 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2357 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2358 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2359 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2360 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2362 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2363 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2365 have_coroutine_pool = get_option('coroutine_pool')
2366 if get_option('debug_stack_usage') and have_coroutine_pool
2367 message('Disabling coroutine pool to measure stack usage')
2368 have_coroutine_pool = false
2370 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2371 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2372 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2373 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2374 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2375 config_host_data.set('CONFIG_DEBUG_REMAP', get_option('debug_remap'))
2376 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2377 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2380 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2381 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2382 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2383 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2384 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2385 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2386 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2387 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2388 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2389 if host_os == 'windows'
2390 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2394 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2395 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2396 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2397 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2398 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2399 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2400 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2401 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2402 # Note that we need to specify prefix: here to avoid incorrectly
2403 # thinking that Windows has posix_memalign()
2404 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2405 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2406 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2407 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2408 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2409 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2410 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2411 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2412 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2413 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2414 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2415 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2416 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2417 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2418 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2419 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2420 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2421 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2423 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2424 cc.has_function('rbd_namespace_exists',
2426 prefix: '#include <rbd/librbd.h>'))
2429 config_host_data.set('HAVE_IBV_ADVISE_MR',
2430 cc.has_function('ibv_advise_mr',
2432 prefix: '#include <infiniband/verbs.h>'))
2435 have_asan_fiber = false
2436 if get_option('sanitizers') and \
2437 not cc.has_function('__sanitizer_start_switch_fiber',
2438 args: '-fsanitize=address',
2439 prefix: '#include <sanitizer/asan_interface.h>')
2440 warning('Missing ASAN due to missing fiber annotation interface')
2441 warning('Without code annotation, the report may be inferior.')
2443 have_asan_fiber = true
2445 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2447 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2448 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2450 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2452 inotify = cc.find_library('inotify')
2453 if have_inotify_init
2454 have_inotify_init = inotify.found()
2456 if have_inotify_init1
2457 have_inotify_init1 = inotify.found()
2460 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2461 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2464 config_host_data.set('CONFIG_BLKZONED',
2465 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2466 config_host_data.set('CONFIG_EPOLL_CREATE1',
2467 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2468 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2469 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2470 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2471 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2472 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2473 config_host_data.set('CONFIG_FIEMAP',
2474 cc.has_header('linux/fiemap.h') and
2475 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2476 config_host_data.set('CONFIG_GETRANDOM',
2477 cc.has_function('getrandom') and
2478 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2479 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2480 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2481 config_host_data.set('CONFIG_RTNETLINK',
2482 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2483 config_host_data.set('CONFIG_SYSMACROS',
2484 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2485 config_host_data.set('HAVE_OPTRESET',
2486 cc.has_header_symbol('getopt.h', 'optreset'))
2487 config_host_data.set('HAVE_IPPROTO_MPTCP',
2488 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2491 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2492 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2493 prefix: '#include <signal.h>'))
2494 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2495 cc.has_member('struct stat', 'st_atim',
2496 prefix: '#include <sys/stat.h>'))
2497 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2498 cc.has_member('struct blk_zone', 'capacity',
2499 prefix: '#include <linux/blkzoned.h>'))
2502 config_host_data.set('CONFIG_IOVEC',
2503 cc.has_type('struct iovec',
2504 prefix: '#include <sys/uio.h>'))
2505 config_host_data.set('HAVE_UTMPX',
2506 cc.has_type('struct utmpx',
2507 prefix: '#include <utmpx.h>'))
2509 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2510 #include <sys/eventfd.h>
2511 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2512 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2515 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2516 return fdatasync(0);
2518 #error Not supported
2522 has_madvise = cc.links(gnu_source_prefix + '''
2523 #include <sys/types.h>
2524 #include <sys/mman.h>
2526 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2527 missing_madvise_proto = false
2529 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2530 # but forget to prototype it. In this case, has_madvise will be true (the
2531 # test program links despite a compile warning). To detect the
2532 # missing-prototype case, we try again with a definitely-bogus prototype.
2533 # This will only compile if the system headers don't provide the prototype;
2534 # otherwise the conflicting prototypes will cause a compiler error.
2535 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2536 #include <sys/types.h>
2537 #include <sys/mman.h>
2539 extern int madvise(int);
2540 int main(void) { return madvise(0); }''')
2542 config_host_data.set('CONFIG_MADVISE', has_madvise)
2543 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2545 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2546 #include <sys/mman.h>
2547 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2548 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2550 #if !defined(AT_EMPTY_PATH)
2551 # error missing definition
2553 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2555 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2556 #include <sys/mman.h>
2558 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2560 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2561 #include <pthread.h>
2563 static void *f(void *p) { return NULL; }
2567 pthread_create(&thread, 0, f, 0);
2568 pthread_setname_np(thread, "QEMU");
2570 }''', dependencies: threads))
2571 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2572 #include <pthread.h>
2574 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2578 pthread_create(&thread, 0, f, 0);
2580 }''', dependencies: threads))
2581 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2582 #include <pthread.h>
2583 #include <pthread_np.h>
2585 static void *f(void *p) { return NULL; }
2589 pthread_create(&thread, 0, f, 0);
2590 pthread_set_name_np(thread, "QEMU");
2592 }''', dependencies: threads))
2593 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2594 #include <pthread.h>
2599 pthread_condattr_t attr
2600 pthread_condattr_init(&attr);
2601 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2603 }''', dependencies: threads))
2604 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2605 #include <pthread.h>
2607 static void *f(void *p) { return NULL; }
2610 int setsize = CPU_ALLOC_SIZE(64);
2613 pthread_create(&thread, 0, f, 0);
2614 cpuset = CPU_ALLOC(64);
2615 CPU_ZERO_S(setsize, cpuset);
2616 pthread_setaffinity_np(thread, setsize, cpuset);
2617 pthread_getaffinity_np(thread, setsize, cpuset);
2620 }''', dependencies: threads))
2621 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2622 #include <sys/signalfd.h>
2624 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2625 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2633 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2634 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2638 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2639 #include <sys/mman.h>
2641 return mlockall(MCL_FUTURE);
2645 if get_option('l2tpv3').allowed() and have_system
2646 have_l2tpv3 = cc.has_type('struct mmsghdr',
2647 prefix: gnu_source_prefix + '''
2648 #include <sys/socket.h>
2649 #include <linux/ip.h>''')
2651 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2654 if get_option('netmap').allowed() and have_system
2655 have_netmap = cc.compiles('''
2656 #include <inttypes.h>
2658 #include <net/netmap.h>
2659 #include <net/netmap_user.h>
2660 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2663 int main(void) { return 0; }''')
2664 if not have_netmap and get_option('netmap').enabled()
2665 error('Netmap headers not available')
2668 config_host_data.set('CONFIG_NETMAP', have_netmap)
2670 # Work around a system header bug with some kernel/XFS header
2671 # versions where they both try to define 'struct fsxattr':
2672 # xfs headers will not try to redefine structs from linux headers
2673 # if this macro is set.
2674 config_host_data.set('HAVE_FSXATTR', cc.links('''
2675 #include <linux/fs.h>
2681 # Some versions of Mac OS X incorrectly define SIZE_MAX
2682 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2686 return printf("%zu", SIZE_MAX);
2687 }''', args: ['-Werror']))
2689 # See if 64-bit atomic operations are supported.
2690 # Note that without __atomic builtins, we can only
2691 # assume atomic loads/stores max at pointer size.
2692 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2696 uint64_t x = 0, y = 0;
2697 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2698 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2699 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2700 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2701 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2705 has_int128_type = cc.compiles('''
2708 int main(void) { b = a; }''')
2709 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2711 has_int128 = has_int128_type and cc.links('''
2720 config_host_data.set('CONFIG_INT128', has_int128)
2723 # "do we have 128-bit atomics which are handled inline and specifically not
2724 # via libatomic". The reason we can't use libatomic is documented in the
2725 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2726 # We only care about these operations on 16-byte aligned pointers, so
2727 # force 16-byte alignment of the pointer, which may be greater than
2728 # __alignof(unsigned __int128) for the host.
2729 atomic_test_128 = '''
2730 int main(int ac, char **av) {
2731 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2732 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2733 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2734 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2737 has_atomic128 = cc.links(atomic_test_128)
2739 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2741 if not has_atomic128
2742 # Even with __builtin_assume_aligned, the above test may have failed
2743 # without optimization enabled. Try again with optimizations locally
2744 # enabled for the function. See
2745 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2746 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2747 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2749 if not has_atomic128_opt
2750 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2753 __uint128_t x = 0, y = 0;
2754 __sync_val_compare_and_swap_16(&x, y, x);
2762 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2763 #include <sys/auxv.h>
2765 return getauxval(AT_HWCAP) == 0;
2768 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2769 #include <linux/usbdevice_fs.h>
2771 #ifndef USBDEVFS_GET_CAPABILITIES
2772 #error "USBDEVFS_GET_CAPABILITIES undefined"
2775 #ifndef USBDEVFS_DISCONNECT_CLAIM
2776 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2779 int main(void) { return 0; }'''))
2781 have_keyring = get_option('keyring') \
2782 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2783 .require(cc.compiles('''
2785 #include <asm/unistd.h>
2786 #include <linux/keyctl.h>
2787 #include <sys/syscall.h>
2790 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2791 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2792 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2794 have_cpuid_h = cc.links('''
2797 unsigned a, b, c, d;
2798 unsigned max = __get_cpuid_max(0, 0);
2801 __cpuid(1, a, b, c, d);
2805 __cpuid_count(7, 0, a, b, c, d);
2810 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2812 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2813 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2814 .require(cc.links('''
2816 #include <immintrin.h>
2817 static int __attribute__((target("avx2"))) bar(void *a) {
2818 __m256i x = *(__m256i *)a;
2819 return _mm256_testz_si256(x, x);
2821 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2822 '''), error_message: 'AVX2 not available').allowed())
2824 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2825 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2826 .require(cc.links('''
2828 #include <immintrin.h>
2829 static int __attribute__((target("avx512f"))) bar(void *a) {
2830 __m512i x = *(__m512i *)a;
2831 return _mm512_test_epi64_mask(x, x);
2833 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2834 '''), error_message: 'AVX512F not available').allowed())
2836 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2837 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2838 .require(cc.links('''
2840 #include <immintrin.h>
2841 static int __attribute__((target("avx512bw"))) bar(void *a) {
2843 __m512i res= _mm512_abs_epi8(*x);
2846 int main(int argc, char *argv[]) { return bar(argv[0]); }
2847 '''), error_message: 'AVX512BW not available').allowed())
2849 # For both AArch64 and AArch32, detect if builtins are available.
2850 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2851 #include <arm_neon.h>
2852 #ifndef __ARM_FEATURE_AES
2853 __attribute__((target("+crypto")))
2855 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2858 if get_option('membarrier').disabled()
2859 have_membarrier = false
2860 elif host_os == 'windows'
2861 have_membarrier = true
2862 elif host_os == 'linux'
2863 have_membarrier = cc.compiles('''
2864 #include <linux/membarrier.h>
2865 #include <sys/syscall.h>
2869 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2870 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2874 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2875 .require(have_membarrier, error_message: 'membarrier system call not available') \
2878 have_afalg = get_option('crypto_afalg') \
2879 .require(cc.compiles(gnu_source_prefix + '''
2881 #include <sys/types.h>
2882 #include <sys/socket.h>
2883 #include <linux/if_alg.h>
2886 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2889 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2890 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2892 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2893 'linux/vm_sockets.h', 'AF_VSOCK',
2894 prefix: '#include <sys/socket.h>',
2898 have_vss_sdk = false # old xp/2003 SDK
2899 if host_os == 'windows' and 'cpp' in all_languages
2900 have_vss = cxx.compiles('''
2901 #define __MIDL_user_allocate_free_DEFINED__
2903 int main(void) { return VSS_CTX_BACKUP; }''')
2904 have_vss_sdk = cxx.has_header('vscoordint.h')
2906 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2908 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2909 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2910 if host_os == 'windows'
2911 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2917 }''', name: '_lock_file and _unlock_file'))
2920 if host_os == 'windows'
2921 mingw_has_setjmp_longjmp = cc.links('''
2925 * These functions are not available in setjmp header, but may be
2926 * available at link time, from libmingwex.a.
2928 extern int __mingw_setjmp(jmp_buf);
2929 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2931 __mingw_setjmp(env);
2932 __mingw_longjmp(env, 0);
2934 ''', name: 'mingw setjmp and longjmp')
2936 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2937 error('mingw must provide setjmp/longjmp for windows-arm64')
2941 ########################
2942 # Target configuration #
2943 ########################
2945 minikconf = find_program('scripts/minikconf.py')
2947 config_all_accel = {}
2948 config_all_devices = {}
2949 config_devices_mak_list = []
2950 config_devices_h = {}
2951 config_target_h = {}
2952 config_target_mak = {}
2955 'alpha' : ['CONFIG_ALPHA_DIS'],
2956 'avr' : ['CONFIG_AVR_DIS'],
2957 'cris' : ['CONFIG_CRIS_DIS'],
2958 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2959 'hppa' : ['CONFIG_HPPA_DIS'],
2960 'i386' : ['CONFIG_I386_DIS'],
2961 'x86_64' : ['CONFIG_I386_DIS'],
2962 'm68k' : ['CONFIG_M68K_DIS'],
2963 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2964 'mips' : ['CONFIG_MIPS_DIS'],
2965 'or1k' : ['CONFIG_OPENRISC_DIS'],
2966 'ppc' : ['CONFIG_PPC_DIS'],
2967 'riscv' : ['CONFIG_RISCV_DIS'],
2968 'rx' : ['CONFIG_RX_DIS'],
2969 's390' : ['CONFIG_S390_DIS'],
2970 'sh4' : ['CONFIG_SH4_DIS'],
2971 'sparc' : ['CONFIG_SPARC_DIS'],
2972 'xtensa' : ['CONFIG_XTENSA_DIS'],
2973 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2976 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2978 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2979 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2980 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
2981 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2982 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2983 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2984 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2985 (fdt.found() ? ['CONFIG_FDT=y'] : []) + \
2986 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2987 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2988 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2989 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2990 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
2991 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2992 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
2993 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
2995 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2997 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2998 actual_target_dirs = []
3000 foreach target : target_dirs
3001 config_target = { 'TARGET_NAME': target.split('-')[0] }
3002 if target.endswith('linux-user')
3003 if host_os != 'linux'
3007 error('Target @0@ is only available on a Linux host'.format(target))
3009 config_target += { 'CONFIG_LINUX_USER': 'y' }
3010 elif target.endswith('bsd-user')
3011 if host_os not in bsd_oses
3015 error('Target @0@ is only available on a BSD host'.format(target))
3017 config_target += { 'CONFIG_BSD_USER': 'y' }
3018 elif target.endswith('softmmu')
3019 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3020 config_target += { 'CONFIG_SOFTMMU': 'y' }
3022 if target.endswith('-user')
3024 'CONFIG_USER_ONLY': 'y',
3025 'CONFIG_QEMU_INTERP_PREFIX':
3026 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3031 foreach sym: accelerators
3032 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3033 config_target += { sym: 'y' }
3034 config_all_accel += { sym: 'y' }
3035 if target in modular_tcg
3036 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3038 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3040 target_kconfig += [ sym + '=y' ]
3043 if target_kconfig.length() == 0
3047 error('No accelerator available for target @0@'.format(target))
3050 config_target += keyval.load('configs/targets' / target + '.mak')
3051 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3053 if 'TARGET_NEED_FDT' in config_target and not fdt.found()
3055 warning('Disabling ' + target + ' due to missing libfdt')
3057 fdt_required += target
3062 actual_target_dirs += target
3065 if 'TARGET_BASE_ARCH' not in config_target
3066 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3068 if 'TARGET_ABI_DIR' not in config_target
3069 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3071 if 'TARGET_BIG_ENDIAN' not in config_target
3072 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3075 foreach k, v: disassemblers
3076 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3078 config_target += { sym: 'y' }
3083 config_target_data = configuration_data()
3084 foreach k, v: config_target
3085 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3087 elif ignored.contains(k)
3089 elif k == 'TARGET_BASE_ARCH'
3090 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3091 # not used to select files from sourcesets.
3092 config_target_data.set('TARGET_' + v.to_upper(), 1)
3093 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3094 config_target_data.set_quoted(k, v)
3096 config_target_data.set(k, 1)
3098 config_target_data.set(k, 0)
3100 config_target_data.set(k, v)
3103 config_target_data.set('QEMU_ARCH',
3104 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3105 config_target_h += {target: configure_file(output: target + '-config-target.h',
3106 configuration: config_target_data)}
3108 if target.endswith('-softmmu')
3109 target_kconfig += 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'
3110 target_kconfig += 'CONFIG_TARGET_BIG_ENDIAN=' + config_target['TARGET_BIG_ENDIAN']
3112 config_input = meson.get_external_property(target, 'default')
3113 config_devices_mak = target + '-config-devices.mak'
3114 config_devices_mak = configure_file(
3115 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3116 output: config_devices_mak,
3117 depfile: config_devices_mak + '.d',
3119 command: [minikconf,
3120 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3121 config_devices_mak, '@DEPFILE@', '@INPUT@',
3122 host_kconfig, target_kconfig])
3124 config_devices_data = configuration_data()
3125 config_devices = keyval.load(config_devices_mak)
3126 foreach k, v: config_devices
3127 config_devices_data.set(k, 1)
3129 config_devices_mak_list += config_devices_mak
3130 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3131 configuration: config_devices_data)}
3132 config_target += config_devices
3133 config_all_devices += config_devices
3135 config_target_mak += {target: config_target}
3137 target_dirs = actual_target_dirs
3139 target_configs_h = []
3140 foreach target: target_dirs
3141 target_configs_h += config_target_h[target]
3142 target_configs_h += config_devices_h.get(target, [])
3144 genh += custom_target('config-poison.h',
3145 input: [target_configs_h],
3146 output: 'config-poison.h',
3148 command: [find_program('scripts/make-config-poison.sh'),
3151 if fdt_required.length() > 0
3152 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3159 libvfio_user_dep = not_found
3160 if have_system and vfio_user_server_allowed
3161 libvfio_user_proj = subproject('libvfio-user', required: true)
3162 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3165 vhost_user = not_found
3166 if host_os == 'linux' and have_vhost_user
3167 libvhost_user = subproject('libvhost-user')
3168 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3171 libvduse = not_found
3173 libvduse_proj = subproject('libvduse')
3174 libvduse = libvduse_proj.get_variable('libvduse_dep')
3177 #####################
3178 # Generated sources #
3179 #####################
3181 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3183 hxtool = find_program('scripts/hxtool')
3184 shaderinclude = find_program('scripts/shaderinclude.py')
3185 qapi_gen = find_program('scripts/qapi-gen.py')
3186 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3187 meson.current_source_dir() / 'scripts/qapi/commands.py',
3188 meson.current_source_dir() / 'scripts/qapi/common.py',
3189 meson.current_source_dir() / 'scripts/qapi/error.py',
3190 meson.current_source_dir() / 'scripts/qapi/events.py',
3191 meson.current_source_dir() / 'scripts/qapi/expr.py',
3192 meson.current_source_dir() / 'scripts/qapi/gen.py',
3193 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3194 meson.current_source_dir() / 'scripts/qapi/main.py',
3195 meson.current_source_dir() / 'scripts/qapi/parser.py',
3196 meson.current_source_dir() / 'scripts/qapi/schema.py',
3197 meson.current_source_dir() / 'scripts/qapi/source.py',
3198 meson.current_source_dir() / 'scripts/qapi/types.py',
3199 meson.current_source_dir() / 'scripts/qapi/visit.py',
3200 meson.current_source_dir() / 'scripts/qapi-gen.py'
3204 python, files('scripts/tracetool.py'),
3205 '--backend=' + ','.join(get_option('trace_backends'))
3207 tracetool_depends = files(
3208 'scripts/tracetool/backend/log.py',
3209 'scripts/tracetool/backend/__init__.py',
3210 'scripts/tracetool/backend/dtrace.py',
3211 'scripts/tracetool/backend/ftrace.py',
3212 'scripts/tracetool/backend/simple.py',
3213 'scripts/tracetool/backend/syslog.py',
3214 'scripts/tracetool/backend/ust.py',
3215 'scripts/tracetool/format/ust_events_c.py',
3216 'scripts/tracetool/format/ust_events_h.py',
3217 'scripts/tracetool/format/__init__.py',
3218 'scripts/tracetool/format/d.py',
3219 'scripts/tracetool/format/simpletrace_stap.py',
3220 'scripts/tracetool/format/c.py',
3221 'scripts/tracetool/format/h.py',
3222 'scripts/tracetool/format/log_stap.py',
3223 'scripts/tracetool/format/stap.py',
3224 'scripts/tracetool/__init__.py',
3225 'scripts/tracetool/vcpu.py'
3228 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3229 meson.current_source_dir(),
3230 get_option('pkgversion'), meson.project_version()]
3231 qemu_version = custom_target('qemu-version.h',
3232 output: 'qemu-version.h',
3233 command: qemu_version_cmd,
3235 build_by_default: true,
3236 build_always_stale: true)
3237 genh += qemu_version
3241 ['qemu-options.hx', 'qemu-options.def'],
3242 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3246 ['hmp-commands.hx', 'hmp-commands.h'],
3247 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3250 foreach d : hx_headers
3251 hxdep += custom_target(d[1],
3255 command: [hxtool, '-h', '@INPUT0@'])
3263 # TODO: add each directory to the subdirs from its own meson.build, once
3265 trace_events_subdirs = [
3274 trace_events_subdirs += [ 'linux-user' ]
3277 trace_events_subdirs += [ 'bsd-user' ]
3280 trace_events_subdirs += [
3289 trace_events_subdirs += [
3352 if have_system or have_user
3353 trace_events_subdirs += [
3375 authz_ss = ss.source_set()
3376 blockdev_ss = ss.source_set()
3377 block_ss = ss.source_set()
3378 chardev_ss = ss.source_set()
3379 common_ss = ss.source_set()
3380 crypto_ss = ss.source_set()
3381 hwcore_ss = ss.source_set()
3382 io_ss = ss.source_set()
3383 qmp_ss = ss.source_set()
3384 qom_ss = ss.source_set()
3385 system_ss = ss.source_set()
3386 specific_fuzz_ss = ss.source_set()
3387 specific_ss = ss.source_set()
3388 stub_ss = ss.source_set()
3389 trace_ss = ss.source_set()
3390 user_ss = ss.source_set()
3391 util_ss = ss.source_set()
3394 qtest_module_ss = ss.source_set()
3395 tcg_module_ss = ss.source_set()
3401 target_system_arch = {}
3402 target_user_arch = {}
3404 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3405 # that is filled in by qapi/.
3423 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3424 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3427 qom_ss = qom_ss.apply({})
3428 libqom = static_library('qom', qom_ss.sources() + genh,
3429 dependencies: [qom_ss.dependencies()],
3431 build_by_default: false)
3432 qom = declare_dependency(link_whole: libqom)
3434 event_loop_base = files('event-loop-base.c')
3435 event_loop_base = static_library('event-loop-base',
3436 sources: event_loop_base + genh,
3438 build_by_default: false)
3439 event_loop_base = declare_dependency(link_whole: event_loop_base,
3440 dependencies: [qom])
3442 stub_ss = stub_ss.apply({})
3444 util_ss.add_all(trace_ss)
3445 util_ss = util_ss.apply({})
3446 libqemuutil = static_library('qemuutil',
3447 build_by_default: false,
3448 sources: util_ss.sources() + stub_ss.sources() + genh,
3449 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3450 qemuutil = declare_dependency(link_with: libqemuutil,
3451 sources: genh + version_res,
3452 dependencies: [event_loop_base])
3454 if have_system or have_user
3455 decodetree = generator(find_program('scripts/decodetree.py'),
3456 output: 'decode-@BASENAME@.c.inc',
3457 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3458 subdir('libdecnumber')
3475 if config_host_data.get('CONFIG_REPLICATION')
3476 block_ss.add(files('replication.c'))
3483 blockdev_ss.add(files(
3490 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3491 # os-win32.c does not
3492 if host_os == 'windows'
3493 system_ss.add(files('os-win32.c'))
3495 blockdev_ss.add(files('os-posix.c'))
3499 common_ss.add(files('cpu-common.c'))
3500 specific_ss.add(files('cpu-target.c'))
3504 # Work around a gcc bug/misfeature wherein constant propagation looks
3506 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3507 # to guess that a const variable is always zero. Without lto, this is
3508 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3509 # without lto, not even the alias is required -- we simply use different
3510 # declarations in different compilation units.
3511 pagevary = files('page-vary-common.c')
3512 if get_option('b_lto')
3513 pagevary_flags = ['-fno-lto']
3514 if get_option('cfi')
3515 pagevary_flags += '-fno-sanitize=cfi-icall'
3517 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3518 c_args: pagevary_flags)
3519 pagevary = declare_dependency(link_with: pagevary)
3521 common_ss.add(pagevary)
3522 specific_ss.add(files('page-target.c', 'page-vary-target.c'))
3530 subdir('semihosting')
3538 common_user_inc = []
3540 subdir('common-user')
3542 subdir('linux-user')
3544 # needed for fuzzing binaries
3545 subdir('tests/qtest/libqos')
3546 subdir('tests/qtest/fuzz')
3549 tcg_real_module_ss = ss.source_set()
3550 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3551 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3552 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3553 'tcg': tcg_real_module_ss }}
3555 ##############################################
3556 # Internal static_libraries and dependencies #
3557 ##############################################
3559 modinfo_collect = find_program('scripts/modinfo-collect.py')
3560 modinfo_generate = find_program('scripts/modinfo-generate.py')
3565 foreach d, list : modules
3566 if not (d == 'block' ? have_block : have_system)
3570 foreach m, module_ss : list
3572 module_ss = module_ss.apply(config_all_devices, strict: false)
3573 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3574 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3580 if module_ss.sources() != []
3581 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3582 # input. Sources can be used multiple times but objects are
3583 # unique when it comes to lookup in compile_commands.json.
3584 # Depnds on a mesion version with
3585 # https://github.com/mesonbuild/meson/pull/8900
3586 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3587 output: d + '-' + m + '.modinfo',
3588 input: module_ss.sources() + genh,
3590 command: [modinfo_collect, module_ss.sources()])
3594 block_ss.add_all(module_ss)
3596 system_ss.add_all(module_ss)
3602 foreach d, list : target_modules
3603 foreach m, module_ss : list
3605 foreach target : target_dirs
3606 if target.endswith('-softmmu')
3607 config_target = config_target_mak[target]
3608 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3609 c_args = ['-DCOMPILING_PER_TARGET',
3610 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3611 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3612 target_module_ss = module_ss.apply(config_target, strict: false)
3613 if target_module_ss.sources() != []
3614 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3615 sl = static_library(module_name,
3616 [genh, target_module_ss.sources()],
3617 dependencies: [modulecommon, target_module_ss.dependencies()],
3618 include_directories: target_inc,
3622 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3623 modinfo_files += custom_target(module_name + '.modinfo',
3624 output: module_name + '.modinfo',
3625 input: target_module_ss.sources() + genh,
3627 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3632 specific_ss.add_all(module_ss)
3638 foreach target : target_dirs
3639 if target.endswith('-softmmu')
3640 config_target = config_target_mak[target]
3641 config_devices_mak = target + '-config-devices.mak'
3642 modinfo_src = custom_target('modinfo-' + target + '.c',
3643 output: 'modinfo-' + target + '.c',
3644 input: modinfo_files,
3645 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3648 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3649 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3651 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3652 hw_arch[arch].add(modinfo_dep)
3657 nm = find_program('nm')
3658 undefsym = find_program('scripts/undefsym.py')
3659 block_syms = custom_target('block.syms', output: 'block.syms',
3660 input: [libqemuutil, block_mods],
3662 command: [undefsym, nm, '@INPUT@'])
3663 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3664 input: [libqemuutil, system_mods],
3666 command: [undefsym, nm, '@INPUT@'])
3668 authz_ss = authz_ss.apply({})
3669 libauthz = static_library('authz', authz_ss.sources() + genh,
3670 dependencies: [authz_ss.dependencies()],
3672 build_by_default: false)
3674 authz = declare_dependency(link_whole: libauthz,
3677 crypto_ss = crypto_ss.apply({})
3678 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3679 dependencies: [crypto_ss.dependencies()],
3681 build_by_default: false)
3683 crypto = declare_dependency(link_whole: libcrypto,
3684 dependencies: [authz, qom])
3686 io_ss = io_ss.apply({})
3687 libio = static_library('io', io_ss.sources() + genh,
3688 dependencies: [io_ss.dependencies()],
3689 link_with: libqemuutil,
3691 build_by_default: false)
3693 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3695 libmigration = static_library('migration', sources: migration_files + genh,
3697 build_by_default: false)
3698 migration = declare_dependency(link_with: libmigration,
3699 dependencies: [qom, io])
3700 system_ss.add(migration)
3702 block_ss = block_ss.apply({})
3703 libblock = static_library('block', block_ss.sources() + genh,
3704 dependencies: block_ss.dependencies(),
3705 link_depends: block_syms,
3707 build_by_default: false)
3709 block = declare_dependency(link_whole: [libblock],
3710 link_args: '@block.syms',
3711 dependencies: [crypto, io])
3713 blockdev_ss = blockdev_ss.apply({})
3714 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3715 dependencies: blockdev_ss.dependencies(),
3717 build_by_default: false)
3719 blockdev = declare_dependency(link_whole: [libblockdev],
3720 dependencies: [block, event_loop_base])
3722 qmp_ss = qmp_ss.apply({})
3723 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3724 dependencies: qmp_ss.dependencies(),
3726 build_by_default: false)
3728 qmp = declare_dependency(link_whole: [libqmp])
3730 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3732 dependencies: chardev_ss.dependencies(),
3733 build_by_default: false)
3735 chardev = declare_dependency(link_whole: libchardev)
3737 hwcore_ss = hwcore_ss.apply({})
3738 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3740 build_by_default: false)
3741 hwcore = declare_dependency(link_whole: libhwcore)
3742 common_ss.add(hwcore)
3748 emulator_modules = []
3749 foreach m : block_mods + system_mods
3750 emulator_modules += shared_module(m.name(),
3751 build_by_default: true,
3755 install_dir: qemu_moddir)
3757 if emulator_modules.length() > 0
3758 alias_target('modules', emulator_modules)
3761 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3762 common_ss.add(qom, qemuutil)
3764 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3765 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3767 # Note that this library is never used directly (only through extract_objects)
3768 # and is not built by default; therefore, source files not used by the build
3769 # configuration will be in build.ninja, but are never built by default.
3770 common_all = static_library('common',
3771 build_by_default: false,
3772 sources: common_ss.all_sources() + genh,
3773 include_directories: common_user_inc,
3774 implicit_include_directories: false,
3775 dependencies: common_ss.all_dependencies(),
3778 feature_to_c = find_program('scripts/feature_to_c.py')
3780 if host_os == 'darwin'
3781 entitlement = find_program('scripts/entitlement.sh')
3786 foreach target : target_dirs
3787 config_target = config_target_mak[target]
3788 target_name = config_target['TARGET_NAME']
3789 target_base_arch = config_target['TARGET_BASE_ARCH']
3790 arch_srcs = [config_target_h[target]]
3792 c_args = ['-DCOMPILING_PER_TARGET',
3793 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3794 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3795 link_args = emulator_link_args
3797 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3798 if host_os == 'linux'
3799 target_inc += include_directories('linux-headers', is_system: true)
3801 if target.endswith('-softmmu')
3802 target_type='system'
3803 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3804 arch_srcs += t.sources()
3805 arch_deps += t.dependencies()
3807 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3808 if hw_arch.has_key(hw_dir)
3809 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3810 arch_srcs += hw.sources()
3811 arch_deps += hw.dependencies()
3814 arch_srcs += config_devices_h[target]
3815 link_args += ['@block.syms', '@qemu.syms']
3817 abi = config_target['TARGET_ABI_DIR']
3819 target_inc += common_user_inc
3820 if target_base_arch in target_user_arch
3821 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3822 arch_srcs += t.sources()
3823 arch_deps += t.dependencies()
3825 if 'CONFIG_LINUX_USER' in config_target
3826 base_dir = 'linux-user'
3828 if 'CONFIG_BSD_USER' in config_target
3829 base_dir = 'bsd-user'
3830 target_inc += include_directories('bsd-user/' / host_os)
3831 target_inc += include_directories('bsd-user/host/' / host_arch)
3832 dir = base_dir / abi
3833 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3835 target_inc += include_directories(
3839 if 'CONFIG_LINUX_USER' in config_target
3840 dir = base_dir / abi
3841 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3842 if config_target.has_key('TARGET_SYSTBL_ABI')
3844 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3845 extra_args : config_target['TARGET_SYSTBL_ABI'])
3850 if 'TARGET_XML_FILES' in config_target
3851 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3852 output: target + '-gdbstub-xml.c',
3853 input: files(config_target['TARGET_XML_FILES'].split()),
3854 command: [feature_to_c, '@INPUT@'],
3856 arch_srcs += gdbstub_xml
3859 t = target_arch[target_base_arch].apply(config_target, strict: false)
3860 arch_srcs += t.sources()
3861 arch_deps += t.dependencies()
3863 target_common = common_ss.apply(config_target, strict: false)
3864 objects = common_all.extract_objects(target_common.sources())
3865 arch_deps += target_common.dependencies()
3867 target_specific = specific_ss.apply(config_target, strict: false)
3868 arch_srcs += target_specific.sources()
3869 arch_deps += target_specific.dependencies()
3871 # allow using headers from the dependencies but do not include the sources,
3872 # because this emulator only needs those in "objects". For external
3873 # dependencies, the full dependency is included below in the executable.
3875 foreach dep : arch_deps
3876 lib_deps += dep.partial_dependency(compile_args: true, includes: true)
3879 lib = static_library('qemu-' + target,
3880 sources: arch_srcs + genh,
3881 dependencies: lib_deps,
3883 include_directories: target_inc,
3885 build_by_default: false,
3888 if target.endswith('-softmmu')
3890 'name': 'qemu-system-' + target_name,
3891 'win_subsystem': 'console',
3892 'sources': files('system/main.c'),
3895 if host_os == 'windows' and (sdl.found() or gtk.found())
3897 'name': 'qemu-system-' + target_name + 'w',
3898 'win_subsystem': 'windows',
3899 'sources': files('system/main.c'),
3903 if get_option('fuzzing')
3904 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3906 'name': 'qemu-fuzz-' + target_name,
3907 'win_subsystem': 'console',
3908 'sources': specific_fuzz.sources(),
3909 'dependencies': specific_fuzz.dependencies(),
3914 'name': 'qemu-' + target_name,
3915 'win_subsystem': 'console',
3921 exe_name = exe['name']
3922 if host_os == 'darwin'
3923 exe_name += '-unsigned'
3926 emulator = executable(exe_name, exe['sources'],
3929 dependencies: arch_deps + exe['dependencies'],
3930 objects: lib.extract_all_objects(recursive: true),
3931 link_depends: [block_syms, qemu_syms],
3932 link_args: link_args,
3933 win_subsystem: exe['win_subsystem'])
3935 if host_os == 'darwin'
3936 icon = 'pc-bios/qemu.rsrc'
3937 build_input = [emulator, files(icon)]
3939 get_option('bindir') / exe_name,
3940 meson.current_source_dir() / icon
3942 if 'CONFIG_HVF' in config_target
3943 entitlements = 'accel/hvf/entitlements.plist'
3944 build_input += files(entitlements)
3945 install_input += meson.current_source_dir() / entitlements
3948 emulators += {exe['name'] : custom_target(exe['name'],
3950 output: exe['name'],
3951 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3954 meson.add_install_script(entitlement, '--install',
3955 get_option('bindir') / exe['name'],
3958 emulators += {exe['name']: emulator}
3963 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
3969 # Other build targets
3971 if get_option('plugins')
3972 install_headers('include/qemu/qemu-plugin.h')
3973 if host_os == 'windows'
3974 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
3975 # so that plugin authors can compile against it.
3976 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
3982 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3983 # when we don't build tools or system
3984 if xkbcommon.found()
3985 # used for the update-keymaps target, so include rules even if !have_tools
3986 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3987 dependencies: [qemuutil, xkbcommon], install: have_tools)
3991 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3992 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3993 qemu_io = executable('qemu-io', files('qemu-io.c'),
3994 dependencies: [block, qemuutil], install: true)
3995 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3996 dependencies: [blockdev, qemuutil, gnutls, selinux],
3999 subdir('storage-daemon')
4001 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
4004 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4008 subdir('contrib/elf2dmp')
4010 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4011 dependencies: qemuutil,
4015 subdir('contrib/vhost-user-blk')
4016 subdir('contrib/vhost-user-gpu')
4017 subdir('contrib/vhost-user-input')
4018 subdir('contrib/vhost-user-scsi')
4021 if host_os == 'linux'
4022 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4023 dependencies: [qemuutil, libcap_ng],
4025 install_dir: get_option('libexecdir'))
4027 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4028 dependencies: [authz, crypto, io, qom, qemuutil,
4029 libcap_ng, mpathpersist],
4034 subdir('contrib/ivshmem-client')
4035 subdir('contrib/ivshmem-server')
4040 foreach t: traceable
4042 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4043 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4044 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4045 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4048 tracetool, '--group=all', '--format=' + stp['fmt'],
4049 '--binary=' + stp['bin'],
4050 '--probe-prefix=' + t['probe-prefix'],
4051 '@INPUT@', '@OUTPUT@'
4054 custom_target(t['exe'] + stp['ext'],
4055 input: trace_events_all,
4056 output: t['exe'] + stp['ext'],
4057 install: stp['install'],
4058 install_dir: get_option('datadir') / 'systemtap/tapset',
4060 depend_files: tracetool_depends)
4074 if host_machine.system() == 'windows'
4076 find_program('scripts/nsis.py'),
4078 get_option('prefix'),
4079 meson.current_source_dir(),
4080 glib_pc.get_variable('bindir'),
4083 '-DDISPLAYVERSION=' + meson.project_version(),
4086 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4089 nsis_cmd += '-DCONFIG_GTK=y'
4092 nsis = custom_target('nsis',
4093 output: 'qemu-setup-' + meson.project_version() + '.exe',
4094 input: files('qemu.nsi'),
4095 build_always_stale: true,
4096 command: nsis_cmd + ['@INPUT@'])
4097 alias_target('installer', nsis)
4100 #########################
4101 # Configuration summary #
4102 #########################
4106 summary_info += {'Build directory': meson.current_build_dir()}
4107 summary_info += {'Source path': meson.current_source_dir()}
4108 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4109 summary(summary_info, bool_yn: true, section: 'Build environment')
4112 summary_info += {'Install prefix': get_option('prefix')}
4113 summary_info += {'BIOS directory': qemu_datadir}
4114 pathsep = host_os == 'windows' ? ';' : ':'
4115 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4116 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4117 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4118 summary_info += {'module directory': qemu_moddir}
4119 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4120 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4121 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4122 if host_os != 'windows'
4123 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4124 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4126 summary_info += {'local state directory': 'queried at runtime'}
4128 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4129 summary(summary_info, bool_yn: true, section: 'Directories')
4133 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4134 summary_info += {'sphinx-build': sphinx_build}
4136 # FIXME: the [binaries] section of machine files, which can be probed
4137 # with find_program(), would be great for passing gdb and genisoimage
4138 # paths from configure to Meson. However, there seems to be no way to
4139 # hide a program (for example if gdb is too old).
4140 if config_host.has_key('GDB')
4141 summary_info += {'gdb': config_host['GDB']}
4143 summary_info += {'iasl': iasl}
4144 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4145 if host_os == 'windows' and have_ga
4146 summary_info += {'wixl': wixl}
4148 if slirp.found() and have_system
4149 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4151 summary(summary_info, bool_yn: true, section: 'Host binaries')
4153 # Configurable features
4155 summary_info += {'Documentation': build_docs}
4156 summary_info += {'system-mode emulation': have_system}
4157 summary_info += {'user-mode emulation': have_user}
4158 summary_info += {'block layer': have_block}
4159 summary_info += {'Install blobs': get_option('install_blobs')}
4160 summary_info += {'module support': enable_modules}
4162 summary_info += {'alternative module path': get_option('module_upgrades')}
4164 summary_info += {'fuzzing support': get_option('fuzzing')}
4166 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4168 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4169 if 'simple' in get_option('trace_backends')
4170 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4172 summary_info += {'D-Bus display': dbus_display}
4173 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4174 summary_info += {'Relocatable install': get_option('relocatable')}
4175 summary_info += {'vhost-kernel support': have_vhost_kernel}
4176 summary_info += {'vhost-net support': have_vhost_net}
4177 summary_info += {'vhost-user support': have_vhost_user}
4178 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4179 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4180 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4181 summary_info += {'build guest agent': have_ga}
4182 summary(summary_info, bool_yn: true, section: 'Configurable features')
4184 # Compilation information
4186 summary_info += {'host CPU': cpu}
4187 summary_info += {'host endianness': build_machine.endian()}
4188 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4189 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4190 if 'cpp' in all_languages
4191 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4193 summary_info += {'C++ compiler': false}
4195 if 'objc' in all_languages
4196 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4198 summary_info += {'Objective-C compiler': false}
4200 option_cflags = (get_option('debug') ? ['-g'] : [])
4201 if get_option('optimization') != 'plain'
4202 option_cflags += ['-O' + get_option('optimization')]
4204 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4205 if 'cpp' in all_languages
4206 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4208 if 'objc' in all_languages
4209 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4211 link_args = get_option('c_link_args')
4212 if link_args.length() > 0
4213 summary_info += {'LDFLAGS': ' '.join(link_args)}
4215 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4216 if 'cpp' in all_languages
4217 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4219 if 'objc' in all_languages
4220 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4222 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4223 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4224 summary_info += {'PIE': get_option('b_pie')}
4225 summary_info += {'static build': get_option('prefer_static')}
4226 summary_info += {'malloc trim support': has_malloc_trim}
4227 summary_info += {'membarrier': have_membarrier}
4228 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4229 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4230 summary_info += {'mutex debugging': get_option('debug_mutex')}
4231 summary_info += {'memory allocator': get_option('malloc')}
4232 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4233 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4234 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
4235 summary_info += {'gcov': get_option('b_coverage')}
4236 summary_info += {'thread sanitizer': get_option('tsan')}
4237 summary_info += {'CFI support': get_option('cfi')}
4238 if get_option('cfi')
4239 summary_info += {'CFI debug support': get_option('cfi_debug')}
4241 summary_info += {'strip binaries': get_option('strip')}
4242 summary_info += {'sparse': sparse}
4243 summary_info += {'mingw32 support': host_os == 'windows'}
4244 summary(summary_info, bool_yn: true, section: 'Compilation')
4246 # snarf the cross-compilation information for tests
4249 foreach target: target_dirs
4250 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4251 if fs.exists(tcg_mak)
4252 config_cross_tcg = keyval.load(tcg_mak)
4253 if 'CC' in config_cross_tcg
4254 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4260 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4263 # Targets and accelerators
4266 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4267 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4268 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4269 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4270 summary_info += {'Xen support': xen.found()}
4272 summary_info += {'xen ctrl version': xen.version()}
4274 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4276 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4277 if config_all_accel.has_key('CONFIG_TCG')
4278 if get_option('tcg_interpreter')
4279 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4281 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4283 summary_info += {'TCG plugins': get_option('plugins')}
4284 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4285 if have_linux_user or have_bsd_user
4286 summary_info += {'syscall buffer debugging support': get_option('debug_remap')}
4289 summary_info += {'target list': ' '.join(target_dirs)}
4291 summary_info += {'default devices': get_option('default_devices')}
4292 summary_info += {'out of process emulation': multiprocess_allowed}
4293 summary_info += {'vfio-user server': vfio_user_server_allowed}
4295 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4299 summary_info += {'coroutine backend': coroutine_backend}
4300 summary_info += {'coroutine pool': have_coroutine_pool}
4302 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4303 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4304 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4305 summary_info += {'VirtFS (9P) support': have_virtfs}
4306 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4307 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4308 summary_info += {'bochs support': get_option('bochs').allowed()}
4309 summary_info += {'cloop support': get_option('cloop').allowed()}
4310 summary_info += {'dmg support': get_option('dmg').allowed()}
4311 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4312 summary_info += {'vdi support': get_option('vdi').allowed()}
4313 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4314 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4315 summary_info += {'vpc support': get_option('vpc').allowed()}
4316 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4317 summary_info += {'qed support': get_option('qed').allowed()}
4318 summary_info += {'parallels support': get_option('parallels').allowed()}
4319 summary_info += {'FUSE exports': fuse}
4320 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4322 summary(summary_info, bool_yn: true, section: 'Block layer support')
4326 summary_info += {'TLS priority': get_option('tls_priority')}
4327 summary_info += {'GNUTLS support': gnutls}
4329 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4331 summary_info += {'libgcrypt': gcrypt}
4332 summary_info += {'nettle': nettle}
4334 summary_info += {' XTS': xts != 'private'}
4336 summary_info += {'SM4 ALG support': crypto_sm4}
4337 summary_info += {'AF_ALG support': have_afalg}
4338 summary_info += {'rng-none': get_option('rng_none')}
4339 summary_info += {'Linux keyring': have_keyring}
4340 summary_info += {'Linux keyutils': keyutils}
4341 summary(summary_info, bool_yn: true, section: 'Crypto')
4345 if host_os == 'darwin'
4346 summary_info += {'Cocoa support': cocoa}
4348 summary_info += {'SDL support': sdl}
4349 summary_info += {'SDL image support': sdl_image}
4350 summary_info += {'GTK support': gtk}
4351 summary_info += {'pixman': pixman}
4352 summary_info += {'VTE support': vte}
4353 summary_info += {'PNG support': png}
4354 summary_info += {'VNC support': vnc}
4356 summary_info += {'VNC SASL support': sasl}
4357 summary_info += {'VNC JPEG support': jpeg}
4359 summary_info += {'spice protocol support': spice_protocol}
4360 if spice_protocol.found()
4361 summary_info += {' spice server support': spice}
4363 summary_info += {'curses support': curses}
4364 summary_info += {'brlapi support': brlapi}
4365 summary(summary_info, bool_yn: true, section: 'User interface')
4369 summary_info += {'VirGL support': virgl}
4370 summary_info += {'Rutabaga support': rutabaga}
4371 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4375 if host_os not in ['darwin', 'haiku', 'windows']
4376 summary_info += {'OSS support': oss}
4377 summary_info += {'sndio support': sndio}
4378 elif host_os == 'darwin'
4379 summary_info += {'CoreAudio support': coreaudio}
4380 elif host_os == 'windows'
4381 summary_info += {'DirectSound support': dsound}
4383 if host_os == 'linux'
4384 summary_info += {'ALSA support': alsa}
4385 summary_info += {'PulseAudio support': pulse}
4387 summary_info += {'PipeWire support': pipewire}
4388 summary_info += {'JACK support': jack}
4389 summary(summary_info, bool_yn: true, section: 'Audio backends')
4393 if host_os == 'darwin'
4394 summary_info += {'vmnet.framework support': vmnet}
4396 summary_info += {'AF_XDP support': libxdp}
4397 summary_info += {'slirp support': slirp}
4398 summary_info += {'vde support': vde}
4399 summary_info += {'netmap support': have_netmap}
4400 summary_info += {'l2tpv3 support': have_l2tpv3}
4401 summary(summary_info, bool_yn: true, section: 'Network backends')
4405 summary_info += {'libtasn1': tasn1}
4406 summary_info += {'PAM': pam}
4407 summary_info += {'iconv support': iconv}
4408 summary_info += {'blkio support': blkio}
4409 summary_info += {'curl support': curl}
4410 summary_info += {'Multipath support': mpathpersist}
4411 summary_info += {'Linux AIO support': libaio}
4412 summary_info += {'Linux io_uring support': linux_io_uring}
4413 summary_info += {'ATTR/XATTR support': libattr}
4414 summary_info += {'RDMA support': rdma}
4415 summary_info += {'fdt support': fdt_opt == 'internal' ? 'internal' : fdt}
4416 summary_info += {'libcap-ng support': libcap_ng}
4417 summary_info += {'bpf support': libbpf}
4418 summary_info += {'rbd support': rbd}
4419 summary_info += {'smartcard support': cacard}
4420 summary_info += {'U2F support': u2f}
4421 summary_info += {'libusb': libusb}
4422 summary_info += {'usb net redir': usbredir}
4423 summary_info += {'OpenGL support (epoxy)': opengl}
4424 summary_info += {'GBM': gbm}
4425 summary_info += {'libiscsi support': libiscsi}
4426 summary_info += {'libnfs support': libnfs}
4427 if host_os == 'windows'
4429 summary_info += {'QGA VSS support': have_qga_vss}
4432 summary_info += {'seccomp support': seccomp}
4433 summary_info += {'GlusterFS support': glusterfs}
4434 summary_info += {'hv-balloon support': hv_balloon}
4435 summary_info += {'TPM support': have_tpm}
4436 summary_info += {'libssh support': libssh}
4437 summary_info += {'lzo support': lzo}
4438 summary_info += {'snappy support': snappy}
4439 summary_info += {'bzip2 support': libbzip2}
4440 summary_info += {'lzfse support': liblzfse}
4441 summary_info += {'zstd support': zstd}
4442 summary_info += {'NUMA host support': numa}
4443 summary_info += {'capstone': capstone}
4444 summary_info += {'libpmem support': libpmem}
4445 summary_info += {'libdaxctl support': libdaxctl}
4446 summary_info += {'libudev': libudev}
4447 # Dummy dependency, keep .found()
4448 summary_info += {'FUSE lseek': fuse_lseek.found()}
4449 summary_info += {'selinux': selinux}
4450 summary_info += {'libdw': libdw}
4451 if host_os == 'freebsd'
4452 summary_info += {'libinotify-kqueue': inotify}
4454 summary(summary_info, bool_yn: true, section: 'Dependencies')
4456 if host_arch == 'unknown'
4458 warning('UNSUPPORTED HOST CPU')
4460 message('Support for CPU host architecture ' + cpu + ' is not currently')
4461 message('maintained. The QEMU project does not guarantee that QEMU will')
4462 message('compile or work on this host CPU. You can help by volunteering')
4463 message('to maintain it and providing a build host for our continuous')
4464 message('integration setup.')
4465 if get_option('tcg').allowed() and target_dirs.length() > 0
4467 message('configure has succeeded and you can continue to build, but')
4468 message('QEMU will use a slow interpreter to emulate the target CPU.')
4472 if not supported_oses.contains(host_os)
4474 warning('UNSUPPORTED HOST OS')
4476 message('Support for host OS ' + host_os + 'is not currently maintained.')
4477 message('configure has succeeded and you can continue to build, but')
4478 message('the QEMU project does not guarantee that QEMU will compile or')
4479 message('work on this operating system. You can help by volunteering')
4480 message('to maintain it and providing a build host for our continuous')
4481 message('integration setup. This will ensure that future versions of QEMU')
4482 message('will keep working on ' + host_os + '.')
4485 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4487 message('If you want to help supporting QEMU on this platform, please')
4488 message('contact the developers at qemu-devel@nongnu.org.')
4491 actually_reloc = get_option('relocatable')
4492 # check if get_relocated_path() is actually able to relocate paths
4493 if get_option('relocatable') and \
4494 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4496 warning('bindir not included within prefix, the installation will not be relocatable.')
4497 actually_reloc = false
4499 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4500 if host_os == 'windows'
4502 warning('Windows installs should usually be relocatable.')
4505 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4506 message('Use --disable-relocatable to remove this warning.')