1 project('qemu', ['c'], meson_version: '>=1.1.0',
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', 'riscv64-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 # Pick x86-64 baseline version
340 if host_arch in ['i386', 'x86_64']
341 if get_option('x86_version') == '0' and host_arch == 'x86_64'
342 error('x86_64-v1 required for x86-64 hosts')
345 # add flags for individual instruction set extensions
346 if get_option('x86_version') >= '1'
347 if host_arch == 'i386'
348 qemu_common_flags = ['-mfpmath=sse'] + qemu_common_flags
350 # present on basically all processors but technically not part of
351 # x86-64-v1, so only include -mneeded for x86-64 version 2 and above
352 qemu_common_flags = ['-mcx16'] + qemu_common_flags
355 if get_option('x86_version') >= '2'
356 qemu_common_flags = ['-mpopcnt'] + qemu_common_flags
357 qemu_common_flags = cc.get_supported_arguments('-mneeded') + qemu_common_flags
359 if get_option('x86_version') >= '3'
360 qemu_common_flags = ['-mmovbe', '-mabm', '-mbmi1', '-mbmi2', '-mfma', '-mf16c'] + qemu_common_flags
363 # add required vector instruction set (each level implies those below)
364 if get_option('x86_version') == '1'
365 qemu_common_flags = ['-msse2'] + qemu_common_flags
366 elif get_option('x86_version') == '2'
367 qemu_common_flags = ['-msse4.2'] + qemu_common_flags
368 elif get_option('x86_version') == '3'
369 qemu_common_flags = ['-mavx2'] + qemu_common_flags
370 elif get_option('x86_version') == '4'
371 qemu_common_flags = ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx512dq', '-mavx512vl'] + qemu_common_flags
375 if get_option('prefer_static')
376 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
379 # Meson currently only handles pie as a boolean for now, so if the user
380 # has explicitly disabled PIE we need to extend our cflags.
382 # -no-pie is supposedly a linker flag that has no effect on the compiler
383 # command line, but some distros, that didn't quite know what they were
384 # doing, made local changes to gcc's specs file that turned it into
385 # a compiler command-line flag.
387 # What about linker flags? For a static build, no PIE is implied by -static
388 # which we added above (and if it's not because of the same specs patching,
389 # there's nothing we can do: compilation will fail, report a bug to your
390 # distro and do not use --disable-pie in the meanwhile). For dynamic linking,
391 # instead, we can't add -no-pie because it overrides -shared: the linker then
392 # tries to build an executable instead of a shared library and fails. So
393 # don't add -no-pie anywhere and cross fingers. :(
394 if not get_option('b_pie')
395 qemu_common_flags += cc.get_supported_arguments('-fno-pie', '-no-pie')
398 if not get_option('stack_protector').disabled()
399 stack_protector_probe = '''
400 int main(int argc, char *argv[])
402 char arr[64], *p = arr, *c = argv[argc - 1];
408 have_stack_protector = false
409 foreach arg : ['-fstack-protector-strong', '-fstack-protector-all']
410 # We need to check both a compile and a link, since some compiler
411 # setups fail only on a .c->.o compile and some only at link time
412 if cc.compiles(stack_protector_probe, args: ['-Werror', arg]) and \
413 cc.links(stack_protector_probe, args: ['-Werror', arg])
414 have_stack_protector = true
420 get_option('stack_protector') \
421 .require(have_stack_protector, error_message: 'Stack protector not supported')
424 coroutine_backend = get_option('coroutine_backend')
426 #include <ucontext.h>
427 #ifdef __stub_makecontext
428 #error Ignoring glibc stub makecontext which will always fail
430 int main(void) { makecontext(0, 0, 0); return 0; }'''
432 # On Windows the only valid backend is the Windows specific one.
433 # For POSIX prefer ucontext, but it's not always possible. The fallback
435 supported_backends = []
436 if host_os == 'windows'
437 supported_backends += ['windows']
439 if host_os != 'darwin' and cc.links(ucontext_probe)
440 supported_backends += ['ucontext']
442 supported_backends += ['sigaltstack']
445 if coroutine_backend == 'auto'
446 coroutine_backend = supported_backends[0]
447 elif coroutine_backend not in supported_backends
448 error('"@0@" backend requested but not available. Available backends: @1@' \
449 .format(coroutine_backend, ', '.join(supported_backends)))
452 # Compiles if SafeStack *not* enabled
453 safe_stack_probe = '''
456 #if defined(__has_feature)
457 #if __has_feature(safe_stack)
458 #error SafeStack Enabled
463 if get_option('safe_stack') != not cc.compiles(safe_stack_probe)
464 safe_stack_arg = get_option('safe_stack') ? '-fsanitize=safe-stack' : '-fno-sanitize=safe-stack'
465 if get_option('safe_stack') != not cc.compiles(safe_stack_probe, args: safe_stack_arg)
466 error(get_option('safe_stack') \
467 ? 'SafeStack not supported by your compiler' \
468 : 'Cannot disable SafeStack')
470 qemu_cflags += safe_stack_arg
471 qemu_ldflags += safe_stack_arg
473 if get_option('safe_stack') and coroutine_backend != 'ucontext'
474 error('SafeStack is only supported with the ucontext coroutine backend')
477 if get_option('sanitizers')
478 if cc.has_argument('-fsanitize=address')
479 qemu_cflags = ['-fsanitize=address'] + qemu_cflags
480 qemu_ldflags = ['-fsanitize=address'] + qemu_ldflags
483 # Detect static linking issue with ubsan - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84285
484 if cc.links('int main(int argc, char **argv) { return argc + 1; }',
485 args: [qemu_ldflags, '-fsanitize=undefined'])
486 qemu_cflags = ['-fsanitize=undefined'] + qemu_cflags
487 qemu_ldflags = ['-fsanitize=undefined'] + qemu_ldflags
491 # Thread sanitizer is, for now, much noisier than the other sanitizers;
492 # keep it separate until that is not the case.
493 if get_option('tsan')
494 if get_option('sanitizers')
495 error('TSAN is not supported with other sanitizers')
497 if not cc.has_function('__tsan_create_fiber',
498 args: '-fsanitize=thread',
499 prefix: '#include <sanitizer/tsan_interface.h>')
500 error('Cannot enable TSAN due to missing fiber annotation interface')
502 qemu_cflags = ['-fsanitize=thread'] + qemu_cflags
503 qemu_ldflags = ['-fsanitize=thread'] + qemu_ldflags
506 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
507 # The combination is known as "full relro", because .got.plt is read-only too.
508 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
510 if host_os == 'windows'
511 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
512 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
515 if get_option('fuzzing')
516 # Specify a filter to only instrument code that is directly related to
518 configure_file(output: 'instrumentation-filter',
519 input: 'scripts/oss-fuzz/instrumentation-filter-template',
522 if cc.compiles('int main () { return 0; }',
523 name: '-fsanitize-coverage-allowlist=/dev/null',
524 args: ['-fsanitize-coverage-allowlist=/dev/null',
525 '-fsanitize-coverage=trace-pc'] )
526 qemu_common_flags += ['-fsanitize-coverage-allowlist=instrumentation-filter']
529 if get_option('fuzzing_engine') == ''
530 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
531 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
532 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
533 # unable to bind the fuzzer-related callbacks added by instrumentation.
534 qemu_common_flags += ['-fsanitize=fuzzer-no-link']
535 qemu_ldflags += ['-fsanitize=fuzzer-no-link']
536 # For the actual fuzzer binaries, we need to link against the libfuzzer
537 # library. They need to be configurable, to support OSS-Fuzz
538 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
540 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
541 # the needed CFLAGS have already been provided
542 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
548 # Check for dependency on LTO
549 if not get_option('b_lto')
550 error('Selected Control-Flow Integrity but LTO is disabled')
553 error('Selected Control-Flow Integrity is not compatible with modules')
555 # Check for cfi flags. CFI requires LTO so we can't use
556 # get_supported_arguments, but need a more complex "compiles" which allows
558 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
559 args: ['-flto', '-fsanitize=cfi-icall'] )
560 cfi_flags += '-fsanitize=cfi-icall'
562 error('-fsanitize=cfi-icall is not supported by the compiler')
564 if cc.compiles('int main () { return 0; }',
565 name: '-fsanitize-cfi-icall-generalize-pointers',
566 args: ['-flto', '-fsanitize=cfi-icall',
567 '-fsanitize-cfi-icall-generalize-pointers'] )
568 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
570 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
572 if get_option('cfi_debug')
573 if cc.compiles('int main () { return 0; }',
574 name: '-fno-sanitize-trap=cfi-icall',
575 args: ['-flto', '-fsanitize=cfi-icall',
576 '-fno-sanitize-trap=cfi-icall'] )
577 cfi_flags += '-fno-sanitize-trap=cfi-icall'
579 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
582 add_global_arguments(cfi_flags, native: false, language: all_languages)
583 add_global_link_arguments(cfi_flags, native: false, language: all_languages)
586 # Check further flags that make QEMU more robust against malicious parties
589 # Initialize all stack variables to zero. This makes
590 # it harder to take advantage of uninitialized stack
591 # data to drive exploits
592 '-ftrivial-auto-var-init=zero',
595 # Zero out registers used during a function call
596 # upon its return. This makes it harder to assemble
597 # ROP gadgets into something usable
599 # NB: Clang 17 is broken and SEGVs
600 # https://github.com/llvm/llvm-project/issues/75168
602 # NB2: This clashes with the "retguard" extension of OpenBSD's Clang
603 # https://gitlab.com/qemu-project/qemu/-/issues/2278
604 if host_os != 'openbsd' and \
605 cc.compiles('extern struct { void (*cb)(void); } s; void f(void) { s.cb(); }',
606 name: '-fzero-call-used-regs=used-gpr',
607 args: ['-O2', '-fzero-call-used-regs=used-gpr'])
608 hardening_flags += '-fzero-call-used-regs=used-gpr'
611 qemu_common_flags += cc.get_supported_arguments(hardening_flags)
613 add_global_arguments(qemu_common_flags, native: false, language: all_languages)
614 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
616 # Collect warning flags we want to set, sorted alphabetically
618 # First enable interesting warnings
621 '-Wexpansion-to-defined',
624 '-Wignored-qualifiers',
625 '-Wimplicit-fallthrough=2',
627 '-Wmissing-format-attribute',
628 '-Wmissing-prototypes',
630 '-Wold-style-declaration',
631 '-Wold-style-definition',
634 '-Wstrict-prototypes',
640 # Then disable some undesirable warnings
641 '-Wno-gnu-variable-sized-type-not-at-end',
642 '-Wno-initializer-overrides',
643 '-Wno-missing-include-dirs',
645 '-Wno-shift-negative-value',
646 '-Wno-string-plus-int',
647 '-Wno-tautological-type-limit-compare',
648 '-Wno-typedef-redefinition',
651 if host_os != 'darwin'
652 warn_flags += ['-Wthread-safety']
655 # Set up C++ compiler flags
657 if 'cpp' in all_languages
658 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
661 add_project_arguments(qemu_cflags, native: false, language: 'c')
662 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
663 if 'cpp' in all_languages
664 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
665 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
667 if 'objc' in all_languages
668 # Note sanitizer flags are not applied to Objective-C sources!
669 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
671 if host_os == 'linux'
672 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
673 '-isystem', 'linux-headers',
674 language: all_languages)
677 add_project_arguments('-iquote', '.',
678 '-iquote', meson.current_source_dir(),
679 '-iquote', meson.current_source_dir() / 'include',
680 language: all_languages)
682 # If a host-specific include directory exists, list that first...
683 host_include = meson.current_source_dir() / 'host/include/'
684 if fs.is_dir(host_include / host_arch)
685 add_project_arguments('-iquote', host_include / host_arch,
686 language: all_languages)
688 # ... followed by the generic fallback.
689 add_project_arguments('-iquote', host_include / 'generic',
690 language: all_languages)
692 sparse = find_program('cgcc', required: get_option('sparse'))
695 command: [find_program('scripts/check_sparse.py'),
696 'compile_commands.json', sparse.full_path(), '-Wbitwise',
697 '-Wno-transparent-union', '-Wno-old-initializer',
698 '-Wno-non-pointer-null'])
701 #####################################
702 # Host-specific libraries and flags #
703 #####################################
705 libm = cc.find_library('m', required: false)
706 threads = dependency('threads')
707 util = cc.find_library('util', required: false)
713 emulator_link_args = []
718 if host_os == 'windows'
719 midl = find_program('midl', required: false)
720 widl = find_program('widl', required: false)
721 pathcch = cc.find_library('pathcch')
722 socket = cc.find_library('ws2_32')
723 winmm = cc.find_library('winmm')
725 win = import('windows')
726 version_res = win.compile_resources('version.rc',
727 depend_files: files('pc-bios/qemu-nsis.ico'),
728 include_directories: include_directories('.'))
730 elif host_os == 'darwin'
731 coref = dependency('appleframeworks', modules: 'CoreFoundation')
732 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
733 host_dsosuf = '.dylib'
734 elif host_os == 'sunos'
735 socket = [cc.find_library('socket'),
736 cc.find_library('nsl'),
737 cc.find_library('resolv')]
738 elif host_os == 'haiku'
739 socket = [cc.find_library('posix_error_mapper'),
740 cc.find_library('network'),
741 cc.find_library('bsd')]
742 elif host_os == 'openbsd'
743 if get_option('tcg').allowed() and target_dirs.length() > 0
744 # Disable OpenBSD W^X if available
745 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
749 ###############################################
750 # Host-specific configuration of accelerators #
751 ###############################################
754 if get_option('kvm').allowed() and host_os == 'linux'
755 accelerators += 'CONFIG_KVM'
757 if get_option('whpx').allowed() and host_os == 'windows'
758 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
759 error('WHPX requires 64-bit host')
760 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
761 cc.has_header('winhvemulation.h', required: get_option('whpx'))
762 accelerators += 'CONFIG_WHPX'
767 if get_option('hvf').allowed()
768 hvf = dependency('appleframeworks', modules: 'Hypervisor',
769 required: get_option('hvf'))
771 accelerators += 'CONFIG_HVF'
776 if host_os == 'netbsd'
777 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
779 accelerators += 'CONFIG_NVMM'
784 if get_option('tcg').allowed()
785 if host_arch == 'unknown'
786 if not get_option('tcg_interpreter')
787 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
789 elif get_option('tcg_interpreter')
790 warning('Use of the TCG interpreter is not recommended on this host')
791 warning('architecture. There is a native TCG execution backend available')
792 warning('which provides substantially better performance and reliability.')
793 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
794 warning('configuration option on this architecture to use the native')
797 if get_option('tcg_interpreter')
799 elif host_arch == 'x86_64'
801 elif host_arch == 'ppc64'
804 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
805 language: all_languages)
807 accelerators += 'CONFIG_TCG'
810 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
811 error('KVM not available on this platform')
813 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
814 error('HVF not available on this platform')
816 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
817 error('NVMM not available on this platform')
819 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
820 error('WHPX not available on this platform')
824 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
825 xencontrol = dependency('xencontrol', required: false,
826 method: 'pkg-config')
827 if xencontrol.found()
828 xen_pc = declare_dependency(version: xencontrol.version(),
831 # disabler: true makes xen_pc.found() return false if any is not found
832 dependency('xenstore', required: false,
833 method: 'pkg-config',
835 dependency('xenforeignmemory', required: false,
836 method: 'pkg-config',
838 dependency('xengnttab', required: false,
839 method: 'pkg-config',
841 dependency('xenevtchn', required: false,
842 method: 'pkg-config',
844 dependency('xendevicemodel', required: false,
845 method: 'pkg-config',
847 # optional, no "disabler: true"
848 dependency('xentoolcore', required: false,
849 method: 'pkg-config')])
855 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
857 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
858 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
859 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
860 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
861 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
864 foreach ver: xen_tests
865 # cache the various library tests to avoid polluting the logs
867 foreach l: xen_libs[ver]
869 xen_deps += { l: cc.find_library(l, required: false) }
871 xen_test_deps += xen_deps[l]
874 # Use -D to pick just one of the test programs in scripts/xen-detect.c
875 xen_version = ver.split('.')
876 xen_ctrl_version = xen_version[0] + \
877 ('0' + xen_version[1]).substring(-2) + \
878 ('0' + xen_version[2]).substring(-2)
879 if cc.links(files('scripts/xen-detect.c'),
880 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
881 dependencies: xen_test_deps)
882 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
888 accelerators += 'CONFIG_XEN'
889 elif get_option('xen').enabled()
890 error('could not compile and link Xen test program')
893 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
894 .require(xen.found(),
895 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
896 .require(host_os == 'linux',
897 error_message: 'Xen PCI passthrough not available on this platform') \
898 .require(cpu == 'x86' or cpu == 'x86_64',
899 error_message: 'Xen PCI passthrough not available on this platform') \
906 # When bumping glib minimum version, please check also whether to increase
907 # the _WIN32_WINNT setting in osdep.h according to the value from glib
908 glib_req_ver = '>=2.66.0'
909 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
910 method: 'pkg-config')
913 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
914 method: 'pkg-config')
915 elif get_option('plugins')
916 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
917 method: 'pkg-config')
922 # This workaround is required due to a bug in pkg-config file for glib as it
923 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
924 if host_os == 'windows' and get_option('prefer_static')
925 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
928 # Sanity check that the current size_t matches the
929 # size that glib thinks it should be. This catches
930 # problems on multi-arch where people try to build
931 # 32-bit QEMU while pointing at 64-bit glib headers
933 if not cc.compiles('''
937 #define QEMU_BUILD_BUG_ON(x) \
938 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
941 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
943 }''', dependencies: glib_pc, args: glib_cflags)
944 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
945 You probably need to set PKG_CONFIG_LIBDIR" to point
946 to the right pkg-config files for your build target.''')
949 glib = declare_dependency(dependencies: [glib_pc, gmodule],
950 compile_args: glib_cflags,
951 version: glib_pc.version())
953 # Check whether glib has gslice, which we have to avoid for correctness.
954 # TODO: remove this check and the corresponding workaround (qtree) when
955 # the minimum supported glib is >= 2.75.3
956 glib_has_gslice = glib.version().version_compare('<2.75.3')
958 # override glib dep to include the above refinements
959 meson.override_dependency('glib-2.0', glib)
961 # The path to glib.h is added to all compilation commands.
962 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
963 native: false, language: all_languages)
966 gdbus_codegen = not_found
967 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
968 if not get_option('gio').auto() or have_system
969 gio = dependency('gio-2.0', required: get_option('gio'),
970 method: 'pkg-config')
971 if gio.found() and not cc.links('''
975 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
977 }''', dependencies: [glib, gio])
978 if get_option('gio').enabled()
979 error('The installed libgio is broken for static linking')
984 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
985 required: get_option('gio'))
986 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
987 method: 'pkg-config')
988 gio = declare_dependency(dependencies: [gio, gio_unix],
989 version: gio.version())
992 if gdbus_codegen.found() and get_option('cfi')
993 gdbus_codegen = not_found
994 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
997 xml_pp = find_program('scripts/xml-preprocess.py')
1000 if 'ust' in get_option('trace_backends')
1001 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
1002 method: 'pkg-config')
1005 if not get_option('pixman').auto() or have_system or have_tools
1006 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
1007 method: 'pkg-config')
1010 zlib = dependency('zlib', required: true)
1013 if not get_option('linux_aio').auto() or have_block
1014 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
1015 required: get_option('linux_aio'))
1018 linux_io_uring_test = '''
1019 #include <liburing.h>
1020 #include <linux/errqueue.h>
1022 int main(void) { return 0; }'''
1024 linux_io_uring = not_found
1025 if not get_option('linux_io_uring').auto() or have_block
1026 linux_io_uring = dependency('liburing', version: '>=0.3',
1027 required: get_option('linux_io_uring'),
1028 method: 'pkg-config')
1029 if not cc.links(linux_io_uring_test)
1030 linux_io_uring = not_found
1035 if not get_option('libnfs').auto() or have_block
1036 libnfs = dependency('libnfs', version: '>=1.9.3',
1037 required: get_option('libnfs'),
1038 method: 'pkg-config')
1043 #include <sys/types.h>
1044 #ifdef CONFIG_LIBATTR
1045 #include <attr/xattr.h>
1047 #include <sys/xattr.h>
1049 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1052 have_old_libattr = false
1053 if get_option('attr').allowed()
1054 if cc.links(libattr_test)
1055 libattr = declare_dependency()
1057 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1058 required: get_option('attr'))
1059 if libattr.found() and not \
1060 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1062 if get_option('attr').enabled()
1063 error('could not link libattr')
1065 warning('could not link libattr, disabling')
1068 have_old_libattr = libattr.found()
1073 cocoa = dependency('appleframeworks',
1074 modules: ['Cocoa', 'CoreVideo', 'QuartzCore'],
1075 required: get_option('cocoa'))
1077 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1078 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1079 'VMNET_BRIDGED_MODE',
1080 dependencies: vmnet)
1082 if get_option('vmnet').enabled()
1083 error('vmnet.framework API is outdated')
1085 warning('vmnet.framework API is outdated, disabling')
1090 seccomp_has_sysrawrc = false
1091 if not get_option('seccomp').auto() or have_system or have_tools
1092 seccomp = dependency('libseccomp', version: '>=2.3.0',
1093 required: get_option('seccomp'),
1094 method: 'pkg-config')
1096 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1097 'SCMP_FLTATR_API_SYSRAWRC',
1098 dependencies: seccomp)
1102 libcap_ng = not_found
1103 if not get_option('cap_ng').auto() or have_system or have_tools
1104 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1105 required: get_option('cap_ng'))
1107 if libcap_ng.found() and not cc.links('''
1111 capng_capability_to_name(CAPNG_EFFECTIVE);
1113 }''', dependencies: libcap_ng)
1114 libcap_ng = not_found
1115 if get_option('cap_ng').enabled()
1116 error('could not link libcap-ng')
1118 warning('could not link libcap-ng, disabling')
1122 if get_option('xkbcommon').auto() and not have_system and not have_tools
1123 xkbcommon = not_found
1125 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1126 method: 'pkg-config')
1130 if not get_option('slirp').auto() or have_system
1131 slirp = dependency('slirp', required: get_option('slirp'),
1132 method: 'pkg-config')
1133 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1134 # it passes function pointers within libslirp as callbacks for timers.
1135 # When using a system-wide shared libslirp, the type information for the
1136 # callback is missing and the timer call produces a false positive with CFI.
1137 # Do not use the "version" keyword argument to produce a better error.
1138 # with control-flow integrity.
1139 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1140 if get_option('slirp').enabled()
1141 error('Control-Flow Integrity requires libslirp 4.7.')
1143 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1150 if not get_option('vde').auto() or have_system or have_tools
1151 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1152 required: get_option('vde'))
1154 if vde.found() and not cc.links('''
1155 #include <libvdeplug.h>
1158 struct vde_open_args a = {0, 0, 0};
1162 }''', dependencies: vde)
1164 if get_option('cap_ng').enabled()
1165 error('could not link libvdeplug')
1167 warning('could not link libvdeplug, disabling')
1172 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1173 pulse = dependency('libpulse', required: get_option('pa'),
1174 method: 'pkg-config')
1177 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1178 alsa = dependency('alsa', required: get_option('alsa'),
1179 method: 'pkg-config')
1182 if not get_option('jack').auto() or have_system
1183 jack = dependency('jack', required: get_option('jack'),
1184 method: 'pkg-config')
1186 pipewire = not_found
1187 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1188 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1189 required: get_option('pipewire'),
1190 method: 'pkg-config')
1193 if not get_option('sndio').auto() or have_system
1194 sndio = dependency('sndio', required: get_option('sndio'),
1195 method: 'pkg-config')
1198 spice_protocol = not_found
1199 if not get_option('spice_protocol').auto() or have_system
1200 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1201 required: get_option('spice_protocol'),
1202 method: 'pkg-config')
1205 if get_option('spice') \
1206 .disable_auto_if(not have_system) \
1207 .require(pixman.found(),
1208 error_message: 'cannot enable SPICE if pixman is not available') \
1210 spice = dependency('spice-server', version: '>=0.14.0',
1211 required: get_option('spice'),
1212 method: 'pkg-config')
1214 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1216 rt = cc.find_library('rt', required: false)
1218 libiscsi = not_found
1219 if not get_option('libiscsi').auto() or have_block
1220 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1221 required: get_option('libiscsi'),
1222 method: 'pkg-config')
1225 if not get_option('zstd').auto() or have_block
1226 zstd = dependency('libzstd', version: '>=1.4.0',
1227 required: get_option('zstd'),
1228 method: 'pkg-config')
1231 if not get_option('qpl').auto() or have_system
1232 qpl = dependency('qpl', version: '>=1.5.0',
1233 required: get_option('qpl'),
1234 method: 'pkg-config')
1237 if not get_option('uadk').auto() or have_system
1238 libwd = dependency('libwd', version: '>=2.6',
1239 required: get_option('uadk'),
1240 method: 'pkg-config')
1241 libwd_comp = dependency('libwd_comp', version: '>=2.6',
1242 required: get_option('uadk'),
1243 method: 'pkg-config')
1244 if libwd.found() and libwd_comp.found()
1245 uadk = declare_dependency(dependencies: [libwd, libwd_comp])
1250 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1251 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1252 virgl = dependency('virglrenderer',
1253 method: 'pkg-config',
1254 required: get_option('virglrenderer'))
1256 rutabaga = not_found
1257 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1258 rutabaga = dependency('rutabaga_gfx_ffi',
1259 method: 'pkg-config',
1260 required: get_option('rutabaga_gfx'))
1263 if not get_option('blkio').auto() or have_block
1264 blkio = dependency('blkio',
1265 method: 'pkg-config',
1266 required: get_option('blkio'))
1269 if not get_option('curl').auto() or have_block
1270 curl = dependency('libcurl', version: '>=7.29.0',
1271 method: 'pkg-config',
1272 required: get_option('curl'))
1275 if host_os == 'linux' and (have_system or have_tools)
1276 libudev = dependency('libudev',
1277 method: 'pkg-config',
1278 required: get_option('libudev'))
1281 mpathlibs = [libudev]
1282 mpathpersist = not_found
1283 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1284 mpath_test_source = '''
1285 #include <libudev.h>
1286 #include <mpath_persist.h>
1287 unsigned mpath_mx_alloc_len = 1024;
1289 static struct config *multipath_conf;
1290 extern struct udev *udev;
1291 extern struct config *get_multipath_config(void);
1292 extern void put_multipath_config(struct config *conf);
1294 struct config *get_multipath_config(void) { return multipath_conf; }
1295 void put_multipath_config(struct config *conf) { }
1298 multipath_conf = mpath_lib_init();
1301 libmpathpersist = cc.find_library('mpathpersist',
1302 required: get_option('mpath'))
1303 if libmpathpersist.found()
1304 mpathlibs += libmpathpersist
1305 if get_option('prefer_static')
1306 mpathlibs += cc.find_library('devmapper',
1307 required: get_option('mpath'))
1309 mpathlibs += cc.find_library('multipath',
1310 required: get_option('mpath'))
1311 foreach lib: mpathlibs
1317 if mpathlibs.length() == 0
1318 msg = 'Dependencies missing for libmpathpersist'
1319 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1320 mpathpersist = declare_dependency(dependencies: mpathlibs)
1322 msg = 'Cannot detect libmpathpersist API'
1324 if not mpathpersist.found()
1325 if get_option('mpath').enabled()
1328 warning(msg + ', disabling')
1336 if have_system and get_option('curses').allowed()
1338 #if defined(__APPLE__) || defined(__OpenBSD__)
1339 #define _XOPEN_SOURCE_EXTENDED 1
1346 setlocale(LC_ALL, "");
1348 addwstr(L"wide chars\n");
1350 add_wch(WACS_DEGREE);
1354 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1355 curses = dependency(curses_dep_list,
1357 method: 'pkg-config')
1358 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1359 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1361 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1362 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1363 version: curses.version())
1365 msg = 'curses package not usable'
1369 if not curses.found()
1370 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1371 if host_os != 'windows' and not has_curses_h
1372 message('Trying with /usr/include/ncursesw')
1373 curses_compile_args += ['-I/usr/include/ncursesw']
1374 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1377 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1378 foreach curses_libname : curses_libname_list
1379 libcurses = cc.find_library(curses_libname,
1381 if libcurses.found()
1382 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1383 curses = declare_dependency(compile_args: curses_compile_args,
1384 dependencies: [libcurses])
1387 msg = 'curses library not usable'
1393 if get_option('iconv').allowed()
1394 foreach link_args : [ ['-liconv'], [] ]
1395 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1396 # We need to use libiconv if available because mixing libiconv's headers with
1397 # the system libc does not work.
1398 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1399 # included in the command line and libiconv will not be found.
1403 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1404 return conv != (iconv_t) -1;
1405 }''', args: link_args, dependencies: glib)
1406 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1411 if curses.found() and not iconv.found()
1412 if get_option('iconv').enabled()
1413 error('iconv not available')
1415 msg = 'iconv required for curses UI but not available'
1418 if not curses.found() and msg != ''
1419 if get_option('curses').enabled()
1422 warning(msg + ', disabling')
1428 if not get_option('brlapi').auto() or have_system
1429 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1430 required: get_option('brlapi'))
1431 if brlapi.found() and not cc.links('''
1434 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1436 if get_option('brlapi').enabled()
1437 error('could not link brlapi')
1439 warning('could not link brlapi, disabling')
1445 if not get_option('sdl').auto() or have_system
1446 sdl = dependency('sdl2', required: get_option('sdl'))
1447 sdl_image = not_found
1450 # Some versions of SDL have problems with -Wundef
1451 if not cc.compiles('''
1453 #include <SDL_syswm.h>
1454 int main(int argc, char *argv[]) { return 0; }
1455 ''', dependencies: sdl, args: '-Werror=undef')
1456 sdl = declare_dependency(compile_args: '-Wno-undef',
1458 version: sdl.version())
1460 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1461 method: 'pkg-config')
1463 if get_option('sdl_image').enabled()
1464 error('sdl-image required, but SDL was @0@'.format(
1465 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1467 sdl_image = not_found
1471 if not get_option('rbd').auto() or have_block
1472 librados = cc.find_library('rados', required: get_option('rbd'))
1473 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1474 required: get_option('rbd'))
1475 if librados.found() and librbd.found()
1478 #include <rbd/librbd.h>
1481 rados_create(&cluster, NULL);
1482 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1486 }''', dependencies: [librbd, librados])
1487 rbd = declare_dependency(dependencies: [librbd, librados])
1488 elif get_option('rbd').enabled()
1489 error('librbd >= 1.12.0 required')
1491 warning('librbd >= 1.12.0 not found, disabling')
1496 glusterfs = not_found
1497 glusterfs_ftruncate_has_stat = false
1498 glusterfs_iocb_has_stat = false
1499 if not get_option('glusterfs').auto() or have_block
1500 glusterfs = dependency('glusterfs-api', version: '>=3',
1501 required: get_option('glusterfs'),
1502 method: 'pkg-config')
1503 if glusterfs.found()
1504 glusterfs_ftruncate_has_stat = cc.links('''
1505 #include <glusterfs/api/glfs.h>
1510 /* new glfs_ftruncate() passes two additional args */
1511 return glfs_ftruncate(NULL, 0, NULL, NULL);
1513 ''', dependencies: glusterfs)
1514 glusterfs_iocb_has_stat = cc.links('''
1515 #include <glusterfs/api/glfs.h>
1517 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1519 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1525 glfs_io_cbk iocb = &glusterfs_iocb;
1526 iocb(NULL, 0 , NULL, NULL, NULL);
1529 ''', dependencies: glusterfs)
1534 if get_option('hv_balloon').allowed() and have_system
1537 #include <gmodule.h>
1541 tree = g_tree_new((GCompareFunc)strcmp);
1542 (void)g_tree_node_first(tree);
1543 g_tree_destroy(tree);
1546 ''', dependencies: glib)
1549 if get_option('hv_balloon').enabled()
1550 error('could not enable hv-balloon, update your glib')
1552 warning('could not find glib support for hv-balloon, disabling')
1558 if not get_option('libssh').auto() or have_block
1559 libssh = dependency('libssh', version: '>=0.8.7',
1560 method: 'pkg-config',
1561 required: get_option('libssh'))
1564 libbzip2 = not_found
1565 if not get_option('bzip2').auto() or have_block
1566 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1567 required: get_option('bzip2'))
1568 if libbzip2.found() and not cc.links('''
1570 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1571 libbzip2 = not_found
1572 if get_option('bzip2').enabled()
1573 error('could not link libbzip2')
1575 warning('could not link libbzip2, disabling')
1580 liblzfse = not_found
1581 if not get_option('lzfse').auto() or have_block
1582 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1583 required: get_option('lzfse'))
1585 if liblzfse.found() and not cc.links('''
1587 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1588 liblzfse = not_found
1589 if get_option('lzfse').enabled()
1590 error('could not link liblzfse')
1592 warning('could not link liblzfse, disabling')
1597 if get_option('oss').allowed() and have_system
1598 if not cc.has_header('sys/soundcard.h')
1600 elif host_os == 'netbsd'
1601 oss = cc.find_library('ossaudio', required: get_option('oss'))
1603 oss = declare_dependency()
1607 if get_option('oss').enabled()
1608 error('OSS not found')
1613 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1614 if cc.has_header('dsound.h')
1615 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1618 if not dsound.found()
1619 if get_option('dsound').enabled()
1620 error('DirectSound not found')
1625 coreaudio = not_found
1626 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1627 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1628 required: get_option('coreaudio'))
1632 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1633 epoxy = dependency('epoxy', method: 'pkg-config',
1634 required: get_option('opengl'))
1635 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1637 elif get_option('opengl').enabled()
1638 error('epoxy/egl.h not found')
1642 if (have_system or have_tools) and (virgl.found() or opengl.found())
1643 gbm = dependency('gbm', method: 'pkg-config', required: false)
1645 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1648 gnutls_crypto = not_found
1649 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1650 # For general TLS support our min gnutls matches
1651 # that implied by our platform support matrix
1653 # For the crypto backends, we look for a newer
1656 # Version 3.6.8 is needed to get XTS
1657 # Version 3.6.13 is needed to get PBKDF
1658 # Version 3.6.14 is needed to get HW accelerated XTS
1660 # If newer enough gnutls isn't available, we can
1661 # still use a different crypto backend to satisfy
1662 # the platform support requirements
1663 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1664 method: 'pkg-config',
1666 if gnutls_crypto.found()
1667 gnutls = gnutls_crypto
1669 # Our min version if all we need is TLS
1670 gnutls = dependency('gnutls', version: '>=3.5.18',
1671 method: 'pkg-config',
1672 required: get_option('gnutls'))
1676 # We prefer use of gnutls for crypto, unless the options
1677 # explicitly asked for nettle or gcrypt.
1679 # If gnutls isn't available for crypto, then we'll prefer
1680 # gcrypt over nettle for performance reasons.
1684 crypto_sm4 = not_found
1687 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1688 error('Only one of gcrypt & nettle can be enabled')
1691 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1692 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1693 gnutls_crypto = not_found
1696 if not gnutls_crypto.found()
1697 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1698 gcrypt = dependency('libgcrypt', version: '>=1.8',
1699 method: 'config-tool',
1700 required: get_option('gcrypt'))
1701 # Debian has removed -lgpg-error from libgcrypt-config
1702 # as it "spreads unnecessary dependencies" which in
1703 # turn breaks static builds...
1704 if gcrypt.found() and get_option('prefer_static')
1705 gcrypt = declare_dependency(dependencies:
1707 cc.find_library('gpg-error', required: true)],
1708 version: gcrypt.version())
1711 # SM4 ALG is available in libgcrypt >= 1.9
1712 if gcrypt.found() and not cc.links('''
1715 gcry_cipher_hd_t handler;
1716 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1718 }''', dependencies: gcrypt)
1719 crypto_sm4 = not_found
1722 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1723 nettle = dependency('nettle', version: '>=3.4',
1724 method: 'pkg-config',
1725 required: get_option('nettle'))
1726 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1730 # SM4 ALG is available in nettle >= 3.9
1731 if nettle.found() and not cc.links('''
1732 #include <nettle/sm4.h>
1735 unsigned char key[16] = {0};
1736 sm4_set_encrypt_key(&ctx, key);
1738 }''', dependencies: nettle)
1739 crypto_sm4 = not_found
1744 capstone = not_found
1745 if not get_option('capstone').auto() or have_system or have_user
1746 capstone = dependency('capstone', version: '>=3.0.5',
1747 method: 'pkg-config',
1748 required: get_option('capstone'))
1750 # Some versions of capstone have broken pkg-config file
1751 # that reports a wrong -I path, causing the #include to
1752 # fail later. If the system has such a broken version
1754 if capstone.found() and not cc.compiles('#include <capstone.h>',
1755 dependencies: [capstone])
1756 capstone = not_found
1757 if get_option('capstone').enabled()
1758 error('capstone requested, but it does not appear to work')
1763 gmp = dependency('gmp', required: false, method: 'pkg-config')
1764 if nettle.found() and gmp.found()
1765 hogweed = dependency('hogweed', version: '>=3.4',
1766 method: 'pkg-config',
1767 required: get_option('nettle'))
1774 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1776 if get_option('gtk') \
1777 .disable_auto_if(not have_system) \
1778 .require(pixman.found(),
1779 error_message: 'cannot enable GTK if pixman is not available') \
1781 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1782 method: 'pkg-config',
1783 required: get_option('gtk'))
1785 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1786 method: 'pkg-config',
1788 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1789 version: gtk.version())
1791 if not get_option('vte').auto() or have_system
1792 vte = dependency('vte-2.91',
1793 method: 'pkg-config',
1794 required: get_option('vte'))
1796 elif have_gtk_clipboard
1797 error('GTK clipboard requested, but GTK not found')
1803 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1806 if get_option('png').allowed() and have_system
1807 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1808 method: 'pkg-config')
1813 if get_option('vnc') \
1814 .disable_auto_if(not have_system) \
1815 .require(pixman.found(),
1816 error_message: 'cannot enable VNC if pixman is not available') \
1818 vnc = declare_dependency() # dummy dependency
1819 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1820 method: 'pkg-config')
1821 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1822 required: get_option('vnc_sasl'))
1824 sasl = declare_dependency(dependencies: sasl,
1825 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1830 if not get_option('auth_pam').auto() or have_system
1831 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1832 required: get_option('auth_pam'))
1834 if pam.found() and not cc.links('''
1836 #include <security/pam_appl.h>
1838 const char *service_name = "qemu";
1839 const char *user = "frank";
1840 const struct pam_conv pam_conv = { 0 };
1841 pam_handle_t *pamh = NULL;
1842 pam_start(service_name, user, &pam_conv, &pamh);
1844 }''', dependencies: pam)
1846 if get_option('auth_pam').enabled()
1847 error('could not link libpam')
1849 warning('could not link libpam, disabling')
1854 if not get_option('snappy').auto() or have_system
1855 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1856 required: get_option('snappy'))
1858 if snappy.found() and not cc.links('''
1859 #include <snappy-c.h>
1860 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1862 if get_option('snappy').enabled()
1863 error('could not link libsnappy')
1865 warning('could not link libsnappy, disabling')
1870 if not get_option('lzo').auto() or have_system
1871 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1872 required: get_option('lzo'))
1874 if lzo.found() and not cc.links('''
1875 #include <lzo/lzo1x.h>
1876 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1878 if get_option('lzo').enabled()
1879 error('could not link liblzo2')
1881 warning('could not link liblzo2, disabling')
1886 if not get_option('numa').auto() or have_system or have_tools
1887 numa = cc.find_library('numa', has_headers: ['numa.h'],
1888 required: get_option('numa'))
1890 if numa.found() and not cc.links('''
1892 int main(void) { return numa_available(); }
1893 ''', dependencies: numa)
1895 if get_option('numa').enabled()
1896 error('could not link numa')
1898 warning('could not link numa, disabling')
1903 fdt_opt = get_option('fdt')
1904 if fdt_opt == 'enabled' and get_option('wrap_mode') == 'nodownload'
1907 if fdt_opt in ['enabled', 'system'] or (fdt_opt == 'auto' and have_system)
1908 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
1909 if fdt.found() and cc.links('''
1911 #include <libfdt_env.h>
1912 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
1915 elif fdt_opt != 'system'
1916 fdt_opt = get_option('wrap_mode') == 'nodownload' ? 'disabled' : 'internal'
1919 error('system libfdt is too old (1.5.1 or newer required)')
1922 if fdt_opt == 'internal'
1923 assert(not fdt.found())
1924 libfdt_proj = subproject('dtc', required: true,
1925 default_options: ['tools=false', 'yaml=disabled',
1926 'python=disabled', 'default_library=static'])
1927 fdt = libfdt_proj.get_variable('libfdt_dep')
1931 if not get_option('rdma').auto() or have_system
1932 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1933 required: get_option('rdma')),
1934 cc.find_library('ibverbs', required: get_option('rdma'))]
1935 rdma = declare_dependency(dependencies: rdma_libs)
1936 foreach lib: rdma_libs
1944 if not get_option('smartcard').auto() or have_system
1945 cacard = dependency('libcacard', required: get_option('smartcard'),
1946 version: '>=2.5.1', method: 'pkg-config')
1949 if not get_option('u2f').auto() or have_system
1950 u2f = dependency('u2f-emu', required: get_option('u2f'),
1951 method: 'pkg-config')
1954 if not get_option('canokey').auto() or have_system
1955 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1956 method: 'pkg-config')
1958 usbredir = not_found
1959 if not get_option('usb_redir').auto() or have_system
1960 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1961 version: '>=0.6', method: 'pkg-config')
1964 if not get_option('libusb').auto() or have_system
1965 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1966 version: '>=1.0.13', method: 'pkg-config')
1970 if not get_option('libpmem').auto() or have_system
1971 libpmem = dependency('libpmem', required: get_option('libpmem'),
1972 method: 'pkg-config')
1974 libdaxctl = not_found
1975 if not get_option('libdaxctl').auto() or have_system
1976 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1977 version: '>=57', method: 'pkg-config')
1981 tasn1 = dependency('libtasn1',
1982 method: 'pkg-config')
1984 keyutils = not_found
1985 if not get_option('libkeyutils').auto() or have_block
1986 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1987 method: 'pkg-config')
1990 has_gettid = cc.has_function('gettid')
1993 selinux = dependency('libselinux',
1994 required: get_option('selinux'),
1995 method: 'pkg-config')
2000 if get_option('malloc') == 'system'
2002 get_option('malloc_trim').allowed() and \
2003 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
2005 has_malloc_trim = false
2006 malloc = cc.find_library(get_option('malloc'), required: true)
2008 if not has_malloc_trim and get_option('malloc_trim').enabled()
2009 if get_option('malloc') == 'system'
2010 error('malloc_trim not available on this platform.')
2012 error('malloc_trim not available with non-libc memory allocator')
2016 gnu_source_prefix = '''
2022 # Check whether the glibc provides STATX_BASIC_STATS
2024 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
2026 # Check whether statx() provides mount ID information
2028 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
2030 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
2031 .require(host_os == 'linux',
2032 error_message: 'vhost_user_blk_server requires linux') \
2033 .require(have_vhost_user,
2034 error_message: 'vhost_user_blk_server requires vhost-user support') \
2035 .disable_auto_if(not have_tools and not have_system) \
2038 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
2039 error('Cannot enable fuse-lseek while fuse is disabled')
2042 fuse = dependency('fuse3', required: get_option('fuse'),
2043 version: '>=3.1', method: 'pkg-config')
2045 fuse_lseek = not_found
2046 if get_option('fuse_lseek').allowed()
2047 if fuse.version().version_compare('>=3.8')
2049 fuse_lseek = declare_dependency()
2050 elif get_option('fuse_lseek').enabled()
2052 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
2054 error('fuse-lseek requires libfuse, which was not found')
2059 have_libvduse = (host_os == 'linux')
2060 if get_option('libvduse').enabled()
2061 if host_os != 'linux'
2062 error('libvduse requires linux')
2064 elif get_option('libvduse').disabled()
2065 have_libvduse = false
2068 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2069 if get_option('vduse_blk_export').enabled()
2070 if host_os != 'linux'
2071 error('vduse_blk_export requires linux')
2072 elif not have_libvduse
2073 error('vduse_blk_export requires libvduse support')
2075 elif get_option('vduse_blk_export').disabled()
2076 have_vduse_blk_export = false
2080 bpf_version = '1.1.0'
2081 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2082 if libbpf.found() and not cc.links('''
2083 #include <bpf/libbpf.h>
2084 #include <linux/bpf.h>
2087 // check flag availability
2088 int flag = BPF_F_MMAPABLE;
2089 bpf_object__destroy_skeleton(NULL);
2091 }''', dependencies: libbpf)
2093 if get_option('bpf').enabled()
2094 error('libbpf skeleton/mmaping test failed')
2096 warning('libbpf skeleton/mmaping test failed, disabling')
2102 if not get_option('af_xdp').auto() or have_system
2103 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2104 version: '>=1.4.0', method: 'pkg-config')
2109 if not get_option('libdw').auto() or \
2110 (not get_option('prefer_static') and (have_system or have_user))
2111 libdw = dependency('libdw',
2112 method: 'pkg-config',
2113 required: get_option('libdw'))
2120 config_host_data = configuration_data()
2122 audio_drivers_selected = []
2124 audio_drivers_available = {
2125 'alsa': alsa.found(),
2126 'coreaudio': coreaudio.found(),
2127 'dsound': dsound.found(),
2128 'jack': jack.found(),
2130 'pa': pulse.found(),
2131 'pipewire': pipewire.found(),
2133 'sndio': sndio.found(),
2135 foreach k, v: audio_drivers_available
2136 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2139 # Default to native drivers first, OSS second, SDL third
2140 audio_drivers_priority = \
2141 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2142 (host_os == 'linux' ? [] : [ 'sdl' ])
2143 audio_drivers_default = []
2144 foreach k: audio_drivers_priority
2145 if audio_drivers_available[k]
2146 audio_drivers_default += k
2150 foreach k: get_option('audio_drv_list')
2152 audio_drivers_selected += audio_drivers_default
2153 elif not audio_drivers_available[k]
2154 error('Audio driver "@0@" not available.'.format(k))
2156 audio_drivers_selected += k
2160 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2161 '"' + '", "'.join(audio_drivers_selected) + '", ')
2163 have_host_block_device = (host_os != 'darwin' or
2164 cc.has_header('IOKit/storage/IOMedia.h'))
2166 dbus_display = get_option('dbus_display') \
2167 .require(gio.version().version_compare('>=2.64'),
2168 error_message: '-display dbus requires glib>=2.64') \
2169 .require(gdbus_codegen.found(),
2170 error_message: gdbus_codegen_error.format('-display dbus')) \
2173 have_virtfs = get_option('virtfs') \
2174 .require(host_os == 'linux' or host_os == 'darwin',
2175 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2176 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2177 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2178 .require(host_os == 'darwin' or libattr.found(),
2179 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2180 .disable_auto_if(not have_tools and not have_system) \
2183 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2184 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2185 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2186 .disable_auto_if(not have_tools) \
2187 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2190 if get_option('block_drv_ro_whitelist') == ''
2191 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2193 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2194 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2196 if get_option('block_drv_rw_whitelist') == ''
2197 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2199 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2200 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2203 foreach k : get_option('trace_backends')
2204 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2206 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2207 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2209 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2211 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2212 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2213 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2214 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2215 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2217 qemu_firmwarepath = ''
2218 foreach k : get_option('qemu_firmwarepath')
2219 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2221 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2223 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2224 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2225 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2226 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2227 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2228 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2231 config_host_data.set('CONFIG_STAMP', run_command(
2232 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2233 meson.project_version(), get_option('pkgversion'), '--',
2234 meson.current_source_dir() / 'configure',
2235 capture: true, check: true).stdout().strip())
2238 have_slirp_smbd = get_option('slirp_smbd') \
2239 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2242 smbd_path = get_option('smbd')
2244 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2246 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2249 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2251 kvm_targets_c = '""'
2252 if get_option('kvm').allowed() and host_os == 'linux'
2253 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2255 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2257 if get_option('module_upgrades') and not enable_modules
2258 error('Cannot enable module-upgrades as modules are not enabled')
2260 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2262 config_host_data.set('CONFIG_ATTR', libattr.found())
2263 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2264 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2265 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2266 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2267 config_host_data.set('CONFIG_COCOA', cocoa.found())
2268 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2269 config_host_data.set('CONFIG_FDT', fdt.found())
2270 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2271 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2272 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2273 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2274 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2275 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2276 config_host_data.set('CONFIG_LZO', lzo.found())
2277 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2278 config_host_data.set('CONFIG_BLKIO', blkio.found())
2280 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2281 blkio.version().version_compare('>=1.3.0'))
2283 config_host_data.set('CONFIG_CURL', curl.found())
2284 config_host_data.set('CONFIG_CURSES', curses.found())
2285 config_host_data.set('CONFIG_GBM', gbm.found())
2286 config_host_data.set('CONFIG_GIO', gio.found())
2287 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2288 if glusterfs.found()
2289 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2290 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2291 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2292 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2293 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2294 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2296 config_host_data.set('CONFIG_GTK', gtk.found())
2297 config_host_data.set('CONFIG_VTE', vte.found())
2298 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2299 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2300 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2301 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2302 config_host_data.set('CONFIG_EBPF', libbpf.found())
2303 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2304 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2305 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2306 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2307 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2308 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2309 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2310 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2311 config_host_data.set('CONFIG_MODULES', enable_modules)
2312 config_host_data.set('CONFIG_NUMA', numa.found())
2314 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2315 cc.has_function('numa_has_preferred_many',
2316 dependencies: numa))
2318 config_host_data.set('CONFIG_OPENGL', opengl.found())
2319 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2320 config_host_data.set('CONFIG_RBD', rbd.found())
2321 config_host_data.set('CONFIG_RDMA', rdma.found())
2322 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2323 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2324 config_host_data.set('CONFIG_SDL', sdl.found())
2325 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2326 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2328 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2330 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2331 config_host_data.set('CONFIG_SLIRP', slirp.found())
2332 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2333 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2334 if get_option('tcg').allowed()
2335 config_host_data.set('CONFIG_TCG', 1)
2336 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2338 config_host_data.set('CONFIG_TPM', have_tpm)
2339 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2340 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2341 config_host_data.set('CONFIG_VDE', vde.found())
2342 config_host_data.set('CONFIG_VHOST', have_vhost)
2343 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2344 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2345 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2346 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2347 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2348 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2349 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2350 config_host_data.set('CONFIG_VMNET', vmnet.found())
2351 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2352 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2353 config_host_data.set('CONFIG_PNG', png.found())
2354 config_host_data.set('CONFIG_VNC', vnc.found())
2355 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2356 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2358 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2359 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2360 prefix: '#include <virglrenderer.h>',
2361 dependencies: virgl))
2363 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2364 config_host_data.set('CONFIG_VTE', vte.found())
2365 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2366 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2367 config_host_data.set('CONFIG_GETTID', has_gettid)
2368 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2369 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2370 config_host_data.set('CONFIG_TASN1', tasn1.found())
2371 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2372 config_host_data.set('CONFIG_NETTLE', nettle.found())
2373 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2374 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2375 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2376 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2377 config_host_data.set('CONFIG_STATX', has_statx)
2378 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2379 config_host_data.set('CONFIG_ZSTD', zstd.found())
2380 config_host_data.set('CONFIG_QPL', qpl.found())
2381 config_host_data.set('CONFIG_UADK', uadk.found())
2382 config_host_data.set('CONFIG_FUSE', fuse.found())
2383 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2384 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2385 if spice_protocol.found()
2386 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2387 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2388 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2390 config_host_data.set('CONFIG_SPICE', spice.found())
2391 config_host_data.set('CONFIG_X11', x11.found())
2392 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2393 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2394 config_host_data.set('CONFIG_SELINUX', selinux.found())
2395 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2396 config_host_data.set('CONFIG_LIBDW', libdw.found())
2398 # protect from xen.version() having less than three components
2399 xen_version = xen.version().split('.') + ['0', '0']
2400 xen_ctrl_version = xen_version[0] + \
2401 ('0' + xen_version[1]).substring(-2) + \
2402 ('0' + xen_version[2]).substring(-2)
2403 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2405 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2406 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2407 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2408 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2410 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2411 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2413 have_coroutine_pool = get_option('coroutine_pool')
2414 if get_option('debug_stack_usage') and have_coroutine_pool
2415 message('Disabling coroutine pool to measure stack usage')
2416 have_coroutine_pool = false
2418 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2419 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2420 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2421 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2422 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2423 config_host_data.set('CONFIG_DEBUG_REMAP', get_option('debug_remap'))
2424 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2425 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2428 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2429 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2430 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2431 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2432 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2433 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2434 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2435 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2436 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2437 if host_os == 'windows'
2438 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2442 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2443 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2444 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2445 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2446 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2447 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2448 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2449 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2450 # Note that we need to specify prefix: here to avoid incorrectly
2451 # thinking that Windows has posix_memalign()
2452 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2453 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2454 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2455 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2456 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2457 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2458 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2459 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2460 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2461 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2462 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2463 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2464 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2465 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2466 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2467 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2468 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2469 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2471 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2472 cc.has_function('rbd_namespace_exists',
2474 prefix: '#include <rbd/librbd.h>'))
2477 config_host_data.set('HAVE_IBV_ADVISE_MR',
2478 cc.has_function('ibv_advise_mr',
2480 prefix: '#include <infiniband/verbs.h>'))
2483 have_asan_fiber = false
2484 if get_option('sanitizers') and \
2485 not cc.has_function('__sanitizer_start_switch_fiber',
2486 args: '-fsanitize=address',
2487 prefix: '#include <sanitizer/asan_interface.h>')
2488 warning('Missing ASAN due to missing fiber annotation interface')
2489 warning('Without code annotation, the report may be inferior.')
2491 have_asan_fiber = true
2493 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2495 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2496 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2498 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2500 inotify = cc.find_library('inotify')
2501 if have_inotify_init
2502 have_inotify_init = inotify.found()
2504 if have_inotify_init1
2505 have_inotify_init1 = inotify.found()
2508 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2509 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2512 config_host_data.set('CONFIG_BLKZONED',
2513 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2514 config_host_data.set('CONFIG_EPOLL_CREATE1',
2515 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2516 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2517 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2518 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2519 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2520 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2521 config_host_data.set('CONFIG_FIEMAP',
2522 cc.has_header('linux/fiemap.h') and
2523 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2524 config_host_data.set('CONFIG_GETRANDOM',
2525 cc.has_function('getrandom') and
2526 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2527 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2528 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2529 config_host_data.set('CONFIG_RTNETLINK',
2530 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2531 config_host_data.set('CONFIG_SYSMACROS',
2532 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2533 config_host_data.set('HAVE_OPTRESET',
2534 cc.has_header_symbol('getopt.h', 'optreset'))
2535 config_host_data.set('HAVE_IPPROTO_MPTCP',
2536 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2539 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2540 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2541 prefix: '#include <signal.h>'))
2542 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2543 cc.has_member('struct stat', 'st_atim',
2544 prefix: '#include <sys/stat.h>'))
2545 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2546 cc.has_member('struct blk_zone', 'capacity',
2547 prefix: '#include <linux/blkzoned.h>'))
2550 config_host_data.set('CONFIG_IOVEC',
2551 cc.has_type('struct iovec',
2552 prefix: '#include <sys/uio.h>'))
2553 config_host_data.set('HAVE_UTMPX',
2554 cc.has_type('struct utmpx',
2555 prefix: '#include <utmpx.h>'))
2557 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2558 #include <sys/eventfd.h>
2559 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2560 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2563 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2564 return fdatasync(0);
2566 #error Not supported
2570 has_madvise = cc.links(gnu_source_prefix + '''
2571 #include <sys/types.h>
2572 #include <sys/mman.h>
2574 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2575 missing_madvise_proto = false
2577 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2578 # but forget to prototype it. In this case, has_madvise will be true (the
2579 # test program links despite a compile warning). To detect the
2580 # missing-prototype case, we try again with a definitely-bogus prototype.
2581 # This will only compile if the system headers don't provide the prototype;
2582 # otherwise the conflicting prototypes will cause a compiler error.
2583 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2584 #include <sys/types.h>
2585 #include <sys/mman.h>
2587 extern int madvise(int);
2588 int main(void) { return madvise(0); }''')
2590 config_host_data.set('CONFIG_MADVISE', has_madvise)
2591 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2593 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2594 #include <sys/mman.h>
2595 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2596 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2598 #if !defined(AT_EMPTY_PATH)
2599 # error missing definition
2601 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2604 # On Darwin posix_madvise() has the same return semantics as plain madvise(),
2605 # i.e. errno is set and -1 is returned. That's not really how POSIX defines the
2606 # function. On the flip side, it has madvise() which is preferred anyways.
2607 if host_os != 'darwin'
2608 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2609 #include <sys/mman.h>
2611 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2614 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2615 #include <pthread.h>
2617 static void *f(void *p) { return NULL; }
2621 pthread_create(&thread, 0, f, 0);
2622 pthread_setname_np(thread, "QEMU");
2624 }''', dependencies: threads))
2625 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2626 #include <pthread.h>
2628 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2632 pthread_create(&thread, 0, f, 0);
2634 }''', dependencies: threads))
2635 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2636 #include <pthread.h>
2637 #include <pthread_np.h>
2639 static void *f(void *p) { return NULL; }
2643 pthread_create(&thread, 0, f, 0);
2644 pthread_set_name_np(thread, "QEMU");
2646 }''', dependencies: threads))
2647 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2648 #include <pthread.h>
2653 pthread_condattr_t attr
2654 pthread_condattr_init(&attr);
2655 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2657 }''', dependencies: threads))
2658 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2659 #include <pthread.h>
2661 static void *f(void *p) { return NULL; }
2664 int setsize = CPU_ALLOC_SIZE(64);
2667 pthread_create(&thread, 0, f, 0);
2668 cpuset = CPU_ALLOC(64);
2669 CPU_ZERO_S(setsize, cpuset);
2670 pthread_setaffinity_np(thread, setsize, cpuset);
2671 pthread_getaffinity_np(thread, setsize, cpuset);
2674 }''', dependencies: threads))
2675 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2676 #include <sys/signalfd.h>
2678 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2679 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2687 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2688 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2692 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2693 #include <sys/mman.h>
2695 return mlockall(MCL_FUTURE);
2699 if get_option('l2tpv3').allowed() and have_system
2700 have_l2tpv3 = cc.has_type('struct mmsghdr',
2701 prefix: gnu_source_prefix + '''
2702 #include <sys/socket.h>
2703 #include <linux/ip.h>''')
2705 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2708 if get_option('netmap').allowed() and have_system
2709 have_netmap = cc.compiles('''
2710 #include <inttypes.h>
2712 #include <net/netmap.h>
2713 #include <net/netmap_user.h>
2714 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2717 int main(void) { return 0; }''')
2718 if not have_netmap and get_option('netmap').enabled()
2719 error('Netmap headers not available')
2722 config_host_data.set('CONFIG_NETMAP', have_netmap)
2724 # Work around a system header bug with some kernel/XFS header
2725 # versions where they both try to define 'struct fsxattr':
2726 # xfs headers will not try to redefine structs from linux headers
2727 # if this macro is set.
2728 config_host_data.set('HAVE_FSXATTR', cc.links('''
2729 #include <linux/fs.h>
2735 # Some versions of Mac OS X incorrectly define SIZE_MAX
2736 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2740 return printf("%zu", SIZE_MAX);
2741 }''', args: ['-Werror']))
2743 # See if 64-bit atomic operations are supported.
2744 # Note that without __atomic builtins, we can only
2745 # assume atomic loads/stores max at pointer size.
2746 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2750 uint64_t x = 0, y = 0;
2751 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2752 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2753 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2754 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2755 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2759 has_int128_type = cc.compiles('''
2762 int main(void) { b = a; }''')
2763 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2765 has_int128 = has_int128_type and cc.links('''
2774 config_host_data.set('CONFIG_INT128', has_int128)
2777 # "do we have 128-bit atomics which are handled inline and specifically not
2778 # via libatomic". The reason we can't use libatomic is documented in the
2779 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2780 # We only care about these operations on 16-byte aligned pointers, so
2781 # force 16-byte alignment of the pointer, which may be greater than
2782 # __alignof(unsigned __int128) for the host.
2783 atomic_test_128 = '''
2784 int main(int ac, char **av) {
2785 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2786 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2787 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2788 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2791 has_atomic128 = cc.links(atomic_test_128)
2793 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2795 if not has_atomic128
2796 # Even with __builtin_assume_aligned, the above test may have failed
2797 # without optimization enabled. Try again with optimizations locally
2798 # enabled for the function. See
2799 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2800 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2801 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2803 if not has_atomic128_opt
2804 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2807 __uint128_t x = 0, y = 0;
2808 __sync_val_compare_and_swap_16(&x, y, x);
2816 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2817 #include <sys/auxv.h>
2819 return getauxval(AT_HWCAP) == 0;
2822 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2823 #include <linux/usbdevice_fs.h>
2825 #ifndef USBDEVFS_GET_CAPABILITIES
2826 #error "USBDEVFS_GET_CAPABILITIES undefined"
2829 #ifndef USBDEVFS_DISCONNECT_CLAIM
2830 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2833 int main(void) { return 0; }'''))
2835 have_keyring = get_option('keyring') \
2836 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2837 .require(cc.compiles('''
2839 #include <asm/unistd.h>
2840 #include <linux/keyctl.h>
2841 #include <sys/syscall.h>
2844 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2845 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2846 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2848 have_cpuid_h = cc.links('''
2851 unsigned a, b, c, d;
2852 unsigned max = __get_cpuid_max(0, 0);
2855 __cpuid(1, a, b, c, d);
2859 __cpuid_count(7, 0, a, b, c, d);
2864 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2866 # Don't bother to advertise asm/hwprobe.h for old versions that do
2867 # not contain RISCV_HWPROBE_EXT_ZBA.
2868 config_host_data.set('CONFIG_ASM_HWPROBE_H',
2869 cc.has_header_symbol('asm/hwprobe.h',
2870 'RISCV_HWPROBE_EXT_ZBA'))
2872 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2873 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2874 .require(cc.links('''
2876 #include <immintrin.h>
2877 static int __attribute__((target("avx2"))) bar(void *a) {
2878 __m256i x = *(__m256i *)a;
2879 return _mm256_testz_si256(x, x);
2881 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2882 '''), error_message: 'AVX2 not available').allowed())
2884 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2885 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2886 .require(cc.links('''
2888 #include <immintrin.h>
2889 static int __attribute__((target("avx512bw"))) bar(void *a) {
2891 __m512i res= _mm512_abs_epi8(*x);
2894 int main(int argc, char *argv[]) { return bar(argv[0]); }
2895 '''), error_message: 'AVX512BW not available').allowed())
2897 # For both AArch64 and AArch32, detect if builtins are available.
2898 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2899 #include <arm_neon.h>
2900 #ifndef __ARM_FEATURE_AES
2901 __attribute__((target("+crypto")))
2903 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2906 if get_option('membarrier').disabled()
2907 have_membarrier = false
2908 elif host_os == 'windows'
2909 have_membarrier = true
2910 elif host_os == 'linux'
2911 have_membarrier = cc.compiles('''
2912 #include <linux/membarrier.h>
2913 #include <sys/syscall.h>
2917 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2918 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2922 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2923 .require(have_membarrier, error_message: 'membarrier system call not available') \
2926 have_afalg = get_option('crypto_afalg') \
2927 .require(cc.compiles(gnu_source_prefix + '''
2929 #include <sys/types.h>
2930 #include <sys/socket.h>
2931 #include <linux/if_alg.h>
2934 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2937 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2938 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2940 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2941 'linux/vm_sockets.h', 'AF_VSOCK',
2942 prefix: '#include <sys/socket.h>',
2946 have_vss_sdk = false # old xp/2003 SDK
2947 if host_os == 'windows' and 'cpp' in all_languages
2948 have_vss = cxx.compiles('''
2949 #define __MIDL_user_allocate_free_DEFINED__
2951 int main(void) { return VSS_CTX_BACKUP; }''')
2952 have_vss_sdk = cxx.has_header('vscoordint.h')
2954 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2956 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2957 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2958 if host_os == 'windows'
2959 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2965 }''', name: '_lock_file and _unlock_file'))
2968 if host_os == 'windows'
2969 mingw_has_setjmp_longjmp = cc.links('''
2973 * These functions are not available in setjmp header, but may be
2974 * available at link time, from libmingwex.a.
2976 extern int __mingw_setjmp(jmp_buf);
2977 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2979 __mingw_setjmp(env);
2980 __mingw_longjmp(env, 0);
2982 ''', name: 'mingw setjmp and longjmp')
2984 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2985 error('mingw must provide setjmp/longjmp for windows-arm64')
2989 ########################
2990 # Target configuration #
2991 ########################
2993 minikconf = find_program('scripts/minikconf.py')
2995 config_all_accel = {}
2996 config_all_devices = {}
2997 config_devices_mak_list = []
2998 config_devices_h = {}
2999 config_target_h = {}
3000 config_target_mak = {}
3003 'alpha' : ['CONFIG_ALPHA_DIS'],
3004 'avr' : ['CONFIG_AVR_DIS'],
3005 'cris' : ['CONFIG_CRIS_DIS'],
3006 'hexagon' : ['CONFIG_HEXAGON_DIS'],
3007 'hppa' : ['CONFIG_HPPA_DIS'],
3008 'i386' : ['CONFIG_I386_DIS'],
3009 'x86_64' : ['CONFIG_I386_DIS'],
3010 'm68k' : ['CONFIG_M68K_DIS'],
3011 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
3012 'mips' : ['CONFIG_MIPS_DIS'],
3013 'or1k' : ['CONFIG_OPENRISC_DIS'],
3014 'ppc' : ['CONFIG_PPC_DIS'],
3015 'riscv' : ['CONFIG_RISCV_DIS'],
3016 'rx' : ['CONFIG_RX_DIS'],
3017 's390' : ['CONFIG_S390_DIS'],
3018 'sh4' : ['CONFIG_SH4_DIS'],
3019 'sparc' : ['CONFIG_SPARC_DIS'],
3020 'xtensa' : ['CONFIG_XTENSA_DIS'],
3021 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
3024 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
3026 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
3027 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
3028 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
3029 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
3030 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
3031 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
3032 (x11.found() ? ['CONFIG_X11=y'] : []) + \
3033 (fdt.found() ? ['CONFIG_FDT=y'] : []) + \
3034 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
3035 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
3036 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
3037 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
3038 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
3039 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
3040 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
3041 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
3043 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
3045 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
3046 actual_target_dirs = []
3048 foreach target : target_dirs
3049 config_target = { 'TARGET_NAME': target.split('-')[0] }
3050 if target.endswith('linux-user')
3051 if host_os != 'linux'
3055 error('Target @0@ is only available on a Linux host'.format(target))
3057 config_target += { 'CONFIG_LINUX_USER': 'y' }
3058 elif target.endswith('bsd-user')
3059 if host_os not in bsd_oses
3063 error('Target @0@ is only available on a BSD host'.format(target))
3065 config_target += { 'CONFIG_BSD_USER': 'y' }
3066 elif target.endswith('softmmu')
3067 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3068 config_target += { 'CONFIG_SOFTMMU': 'y' }
3070 if target.endswith('-user')
3072 'CONFIG_USER_ONLY': 'y',
3073 'CONFIG_QEMU_INTERP_PREFIX':
3074 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3079 foreach sym: accelerators
3080 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3081 config_target += { sym: 'y' }
3082 config_all_accel += { sym: 'y' }
3083 if target in modular_tcg
3084 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3086 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3088 target_kconfig += [ sym + '=y' ]
3091 if target_kconfig.length() == 0
3095 error('No accelerator available for target @0@'.format(target))
3098 config_target += keyval.load('configs/targets' / target + '.mak')
3099 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3101 if 'TARGET_NEED_FDT' in config_target and not fdt.found()
3103 warning('Disabling ' + target + ' due to missing libfdt')
3105 fdt_required += target
3110 actual_target_dirs += target
3113 if 'TARGET_BASE_ARCH' not in config_target
3114 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3116 if 'TARGET_ABI_DIR' not in config_target
3117 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3119 if 'TARGET_BIG_ENDIAN' not in config_target
3120 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3123 foreach k, v: disassemblers
3124 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3126 config_target += { sym: 'y' }
3131 config_target_data = configuration_data()
3132 foreach k, v: config_target
3133 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3135 elif ignored.contains(k)
3137 elif k == 'TARGET_BASE_ARCH'
3138 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3139 # not used to select files from sourcesets.
3140 config_target_data.set('TARGET_' + v.to_upper(), 1)
3141 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3142 config_target_data.set_quoted(k, v)
3144 config_target_data.set(k, 1)
3146 config_target_data.set(k, 0)
3148 config_target_data.set(k, v)
3151 config_target_data.set('QEMU_ARCH',
3152 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3153 config_target_h += {target: configure_file(output: target + '-config-target.h',
3154 configuration: config_target_data)}
3156 if target.endswith('-softmmu')
3157 target_kconfig += 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'
3158 target_kconfig += 'CONFIG_TARGET_BIG_ENDIAN=' + config_target['TARGET_BIG_ENDIAN']
3160 config_input = meson.get_external_property(target, 'default')
3161 config_devices_mak = target + '-config-devices.mak'
3162 config_devices_mak = configure_file(
3163 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3164 output: config_devices_mak,
3165 depfile: config_devices_mak + '.d',
3167 command: [minikconf,
3168 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3169 config_devices_mak, '@DEPFILE@', '@INPUT@',
3170 host_kconfig, target_kconfig])
3172 config_devices_data = configuration_data()
3173 config_devices = keyval.load(config_devices_mak)
3174 foreach k, v: config_devices
3175 config_devices_data.set(k, 1)
3177 config_devices_mak_list += config_devices_mak
3178 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3179 configuration: config_devices_data)}
3180 config_target += config_devices
3181 config_all_devices += config_devices
3183 config_target_mak += {target: config_target}
3185 target_dirs = actual_target_dirs
3187 target_configs_h = []
3188 foreach target: target_dirs
3189 target_configs_h += config_target_h[target]
3190 target_configs_h += config_devices_h.get(target, [])
3192 genh += custom_target('config-poison.h',
3193 input: [target_configs_h],
3194 output: 'config-poison.h',
3196 command: [find_program('scripts/make-config-poison.sh'),
3199 if fdt_required.length() > 0
3200 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3207 libvfio_user_dep = not_found
3208 if have_system and vfio_user_server_allowed
3209 libvfio_user_proj = subproject('libvfio-user', required: true)
3210 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3213 vhost_user = not_found
3214 if host_os == 'linux' and have_vhost_user
3215 libvhost_user = subproject('libvhost-user')
3216 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3219 libvduse = not_found
3221 libvduse_proj = subproject('libvduse')
3222 libvduse = libvduse_proj.get_variable('libvduse_dep')
3225 #####################
3226 # Generated sources #
3227 #####################
3229 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3231 hxtool = find_program('scripts/hxtool')
3232 shaderinclude = find_program('scripts/shaderinclude.py')
3233 qapi_gen = find_program('scripts/qapi-gen.py')
3234 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3235 meson.current_source_dir() / 'scripts/qapi/commands.py',
3236 meson.current_source_dir() / 'scripts/qapi/common.py',
3237 meson.current_source_dir() / 'scripts/qapi/error.py',
3238 meson.current_source_dir() / 'scripts/qapi/events.py',
3239 meson.current_source_dir() / 'scripts/qapi/expr.py',
3240 meson.current_source_dir() / 'scripts/qapi/gen.py',
3241 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3242 meson.current_source_dir() / 'scripts/qapi/main.py',
3243 meson.current_source_dir() / 'scripts/qapi/parser.py',
3244 meson.current_source_dir() / 'scripts/qapi/schema.py',
3245 meson.current_source_dir() / 'scripts/qapi/source.py',
3246 meson.current_source_dir() / 'scripts/qapi/types.py',
3247 meson.current_source_dir() / 'scripts/qapi/visit.py',
3248 meson.current_source_dir() / 'scripts/qapi-gen.py'
3252 python, files('scripts/tracetool.py'),
3253 '--backend=' + ','.join(get_option('trace_backends'))
3255 tracetool_depends = files(
3256 'scripts/tracetool/backend/log.py',
3257 'scripts/tracetool/backend/__init__.py',
3258 'scripts/tracetool/backend/dtrace.py',
3259 'scripts/tracetool/backend/ftrace.py',
3260 'scripts/tracetool/backend/simple.py',
3261 'scripts/tracetool/backend/syslog.py',
3262 'scripts/tracetool/backend/ust.py',
3263 'scripts/tracetool/format/ust_events_c.py',
3264 'scripts/tracetool/format/ust_events_h.py',
3265 'scripts/tracetool/format/__init__.py',
3266 'scripts/tracetool/format/d.py',
3267 'scripts/tracetool/format/simpletrace_stap.py',
3268 'scripts/tracetool/format/c.py',
3269 'scripts/tracetool/format/h.py',
3270 'scripts/tracetool/format/log_stap.py',
3271 'scripts/tracetool/format/stap.py',
3272 'scripts/tracetool/__init__.py',
3275 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3276 meson.current_source_dir(),
3277 get_option('pkgversion'), meson.project_version()]
3278 qemu_version = custom_target('qemu-version.h',
3279 output: 'qemu-version.h',
3280 command: qemu_version_cmd,
3282 build_by_default: true,
3283 build_always_stale: true)
3284 genh += qemu_version
3288 ['qemu-options.hx', 'qemu-options.def'],
3289 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3293 ['hmp-commands.hx', 'hmp-commands.h'],
3294 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3297 foreach d : hx_headers
3298 hxdep += custom_target(d[1],
3302 command: [hxtool, '-h', '@INPUT0@'])
3310 # TODO: add each directory to the subdirs from its own meson.build, once
3312 trace_events_subdirs = [
3321 trace_events_subdirs += [ 'linux-user' ]
3324 trace_events_subdirs += [ 'bsd-user' ]
3327 trace_events_subdirs += [
3336 trace_events_subdirs += [
3399 if have_system or have_user
3400 trace_events_subdirs += [
3422 authz_ss = ss.source_set()
3423 blockdev_ss = ss.source_set()
3424 block_ss = ss.source_set()
3425 chardev_ss = ss.source_set()
3426 common_ss = ss.source_set()
3427 crypto_ss = ss.source_set()
3428 hwcore_ss = ss.source_set()
3429 io_ss = ss.source_set()
3430 qmp_ss = ss.source_set()
3431 qom_ss = ss.source_set()
3432 system_ss = ss.source_set()
3433 specific_fuzz_ss = ss.source_set()
3434 specific_ss = ss.source_set()
3435 stub_ss = ss.source_set()
3436 trace_ss = ss.source_set()
3437 user_ss = ss.source_set()
3438 util_ss = ss.source_set()
3441 qtest_module_ss = ss.source_set()
3442 tcg_module_ss = ss.source_set()
3448 target_system_arch = {}
3449 target_user_arch = {}
3451 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3452 # that is filled in by qapi/.
3470 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3471 modulecommon = declare_dependency(objects: libmodulecommon.extract_all_objects(recursive: false), compile_args: '-DBUILD_DSO')
3474 qom_ss = qom_ss.apply({})
3475 libqom = static_library('qom', qom_ss.sources() + genh,
3476 dependencies: [qom_ss.dependencies()],
3477 build_by_default: false)
3478 qom = declare_dependency(objects: libqom.extract_all_objects(recursive: false),
3479 dependencies: qom_ss.dependencies())
3481 event_loop_base = files('event-loop-base.c')
3482 event_loop_base = static_library('event-loop-base',
3483 sources: event_loop_base + genh,
3484 build_by_default: false)
3485 event_loop_base = declare_dependency(objects: event_loop_base.extract_all_objects(recursive: false),
3486 dependencies: [qom])
3488 stub_ss = stub_ss.apply({})
3490 util_ss.add_all(trace_ss)
3491 util_ss = util_ss.apply({})
3492 libqemuutil = static_library('qemuutil',
3493 build_by_default: false,
3494 sources: util_ss.sources() + stub_ss.sources() + genh,
3495 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3496 qemuutil = declare_dependency(link_with: libqemuutil,
3497 sources: genh + version_res,
3498 dependencies: [event_loop_base])
3500 if have_system or have_user
3501 decodetree = generator(find_program('scripts/decodetree.py'),
3502 output: 'decode-@BASENAME@.c.inc',
3503 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3504 subdir('libdecnumber')
3521 if config_host_data.get('CONFIG_REPLICATION')
3522 block_ss.add(files('replication.c'))
3529 blockdev_ss.add(files(
3536 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3537 # os-win32.c does not
3538 if host_os == 'windows'
3539 system_ss.add(files('os-win32.c'))
3541 blockdev_ss.add(files('os-posix.c'))
3545 common_ss.add(files('cpu-common.c'))
3546 specific_ss.add(files('cpu-target.c'))
3550 # Work around a gcc bug/misfeature wherein constant propagation looks
3552 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3553 # to guess that a const variable is always zero. Without lto, this is
3554 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3555 # without lto, not even the alias is required -- we simply use different
3556 # declarations in different compilation units.
3557 pagevary = files('page-vary-common.c')
3558 if get_option('b_lto')
3559 pagevary_flags = ['-fno-lto']
3560 if get_option('cfi')
3561 pagevary_flags += '-fno-sanitize=cfi-icall'
3563 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3564 c_args: pagevary_flags)
3565 pagevary = declare_dependency(link_with: pagevary)
3567 common_ss.add(pagevary)
3568 specific_ss.add(files('page-target.c', 'page-vary-target.c'))
3576 subdir('semihosting')
3584 common_user_inc = []
3586 subdir('common-user')
3588 subdir('linux-user')
3590 # needed for fuzzing binaries
3591 subdir('tests/qtest/libqos')
3592 subdir('tests/qtest/fuzz')
3595 tcg_real_module_ss = ss.source_set()
3596 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3597 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3598 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3599 'tcg': tcg_real_module_ss }}
3601 ##############################################
3602 # Internal static_libraries and dependencies #
3603 ##############################################
3605 modinfo_collect = find_program('scripts/modinfo-collect.py')
3606 modinfo_generate = find_program('scripts/modinfo-generate.py')
3611 emulator_modules = []
3612 foreach d, list : modules
3613 if not (d == 'block' ? have_block : have_system)
3617 foreach m, module_ss : list
3619 module_ss.add(modulecommon)
3620 module_ss = module_ss.apply(config_all_devices, strict: false)
3621 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3622 dependencies: module_ss.dependencies(), pic: true)
3628 emulator_modules += shared_module(sl.name(),
3630 objects: sl.extract_all_objects(recursive: false),
3631 dependencies: module_ss.dependencies(),
3633 install_dir: qemu_moddir)
3634 if module_ss.sources() != []
3635 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3636 # input. Sources can be used multiple times but objects are
3637 # unique when it comes to lookup in compile_commands.json.
3638 # Depnds on a mesion version with
3639 # https://github.com/mesonbuild/meson/pull/8900
3640 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3641 output: d + '-' + m + '.modinfo',
3642 input: module_ss.sources() + genh,
3644 command: [modinfo_collect, module_ss.sources()])
3648 block_ss.add_all(module_ss)
3650 system_ss.add_all(module_ss)
3656 foreach d, list : target_modules
3657 foreach m, module_ss : list
3659 module_ss.add(modulecommon)
3660 foreach target : target_dirs
3661 if target.endswith('-softmmu')
3662 config_target = config_target_mak[target]
3663 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3664 c_args = ['-DCOMPILING_PER_TARGET',
3665 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3666 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3667 target_module_ss = module_ss.apply(config_target, strict: false)
3668 if target_module_ss.sources() != []
3669 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3670 sl = static_library(module_name,
3671 [genh, target_module_ss.sources()],
3672 dependencies: target_module_ss.dependencies(),
3673 include_directories: target_inc,
3677 emulator_modules += shared_module(sl.name(),
3679 objects: sl.extract_all_objects(recursive: false),
3680 dependencies: target_module_ss.dependencies(),
3682 install_dir: qemu_moddir)
3683 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3684 modinfo_files += custom_target(module_name + '.modinfo',
3685 output: module_name + '.modinfo',
3686 input: target_module_ss.sources() + genh,
3688 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3693 specific_ss.add_all(module_ss)
3699 foreach target : target_dirs
3700 if target.endswith('-softmmu')
3701 config_target = config_target_mak[target]
3702 config_devices_mak = target + '-config-devices.mak'
3703 modinfo_src = custom_target('modinfo-' + target + '.c',
3704 output: 'modinfo-' + target + '.c',
3705 input: modinfo_files,
3706 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3709 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3710 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3712 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3713 hw_arch[arch].add(modinfo_dep)
3717 if emulator_modules.length() > 0
3718 alias_target('modules', emulator_modules)
3722 nm = find_program('nm')
3723 undefsym = find_program('scripts/undefsym.py')
3724 block_syms = custom_target('block.syms', output: 'block.syms',
3725 input: [libqemuutil, block_mods],
3727 command: [undefsym, nm, '@INPUT@'])
3728 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3729 input: [libqemuutil, system_mods],
3731 command: [undefsym, nm, '@INPUT@'])
3733 authz_ss = authz_ss.apply({})
3734 libauthz = static_library('authz', authz_ss.sources() + genh,
3735 dependencies: [authz_ss.dependencies()],
3736 build_by_default: false)
3738 authz = declare_dependency(objects: libauthz.extract_all_objects(recursive: false),
3739 dependencies: [authz_ss.dependencies(), qom])
3741 crypto_ss = crypto_ss.apply({})
3742 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3743 dependencies: [crypto_ss.dependencies()],
3744 build_by_default: false)
3746 crypto = declare_dependency(objects: libcrypto.extract_all_objects(recursive: false),
3747 dependencies: [crypto_ss.dependencies(), authz, qom])
3749 io_ss = io_ss.apply({})
3750 libio = static_library('io', io_ss.sources() + genh,
3751 dependencies: [io_ss.dependencies()],
3752 link_with: libqemuutil,
3753 build_by_default: false)
3755 io = declare_dependency(objects: libio.extract_all_objects(recursive: false),
3756 dependencies: [io_ss.dependencies(), crypto, qom])
3758 libmigration = static_library('migration', sources: migration_files + genh,
3759 build_by_default: false)
3760 migration = declare_dependency(objects: libmigration.extract_all_objects(recursive: false),
3761 dependencies: [qom, io])
3762 system_ss.add(migration)
3764 block_ss = block_ss.apply({})
3765 libblock = static_library('block', block_ss.sources() + genh,
3766 dependencies: block_ss.dependencies(),
3767 build_by_default: false)
3769 block = declare_dependency(objects: libblock.extract_all_objects(recursive: false),
3770 dependencies: [block_ss.dependencies(), crypto, io])
3772 blockdev_ss = blockdev_ss.apply({})
3773 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3774 dependencies: blockdev_ss.dependencies(),
3775 build_by_default: false)
3777 blockdev = declare_dependency(objects: libblockdev.extract_all_objects(recursive: false),
3778 dependencies: [blockdev_ss.dependencies(), block, event_loop_base])
3780 qmp_ss = qmp_ss.apply({})
3781 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3782 dependencies: qmp_ss.dependencies(),
3783 build_by_default: false)
3785 qmp = declare_dependency(objects: libqmp.extract_all_objects(recursive: false),
3786 dependencies: qmp_ss.dependencies())
3788 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3789 dependencies: chardev_ss.dependencies(),
3790 build_by_default: false)
3792 chardev = declare_dependency(objects: libchardev.extract_all_objects(recursive: false),
3793 dependencies: chardev_ss.dependencies())
3795 hwcore_ss = hwcore_ss.apply({})
3796 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3797 build_by_default: false)
3798 hwcore = declare_dependency(objects: libhwcore.extract_all_objects(recursive: false))
3799 common_ss.add(hwcore)
3805 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3806 common_ss.add(qom, qemuutil)
3808 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3809 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3811 # Note that this library is never used directly (only through extract_objects)
3812 # and is not built by default; therefore, source files not used by the build
3813 # configuration will be in build.ninja, but are never built by default.
3814 common_all = static_library('common',
3815 build_by_default: false,
3816 sources: common_ss.all_sources() + genh,
3817 include_directories: common_user_inc,
3818 implicit_include_directories: false,
3819 dependencies: common_ss.all_dependencies())
3821 feature_to_c = find_program('scripts/feature_to_c.py')
3823 if host_os == 'darwin'
3824 entitlement = find_program('scripts/entitlement.sh')
3829 foreach target : target_dirs
3830 config_target = config_target_mak[target]
3831 target_name = config_target['TARGET_NAME']
3832 target_base_arch = config_target['TARGET_BASE_ARCH']
3833 arch_srcs = [config_target_h[target]]
3835 c_args = ['-DCOMPILING_PER_TARGET',
3836 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3837 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3838 link_args = emulator_link_args
3840 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3841 if host_os == 'linux'
3842 target_inc += include_directories('linux-headers', is_system: true)
3844 if target.endswith('-softmmu')
3845 target_type='system'
3846 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3847 arch_srcs += t.sources()
3848 arch_deps += t.dependencies()
3850 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3851 if hw_arch.has_key(hw_dir)
3852 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3853 arch_srcs += hw.sources()
3854 arch_deps += hw.dependencies()
3857 arch_srcs += config_devices_h[target]
3858 link_args += ['@block.syms', '@qemu.syms']
3860 abi = config_target['TARGET_ABI_DIR']
3862 target_inc += common_user_inc
3863 if target_base_arch in target_user_arch
3864 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3865 arch_srcs += t.sources()
3866 arch_deps += t.dependencies()
3868 if 'CONFIG_LINUX_USER' in config_target
3869 base_dir = 'linux-user'
3871 if 'CONFIG_BSD_USER' in config_target
3872 base_dir = 'bsd-user'
3873 target_inc += include_directories('bsd-user/' / host_os)
3874 target_inc += include_directories('bsd-user/host/' / host_arch)
3875 dir = base_dir / abi
3876 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3878 target_inc += include_directories(
3882 if 'CONFIG_LINUX_USER' in config_target
3883 dir = base_dir / abi
3884 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3885 if config_target.has_key('TARGET_SYSTBL_ABI')
3887 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3888 extra_args : config_target['TARGET_SYSTBL_ABI'])
3893 if 'TARGET_XML_FILES' in config_target
3894 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3895 output: target + '-gdbstub-xml.c',
3896 input: files(config_target['TARGET_XML_FILES'].split()),
3897 command: [feature_to_c, '@INPUT@'],
3899 arch_srcs += gdbstub_xml
3902 t = target_arch[target_base_arch].apply(config_target, strict: false)
3903 arch_srcs += t.sources()
3904 arch_deps += t.dependencies()
3906 target_common = common_ss.apply(config_target, strict: false)
3907 objects = common_all.extract_objects(target_common.sources())
3908 arch_deps += target_common.dependencies()
3910 target_specific = specific_ss.apply(config_target, strict: false)
3911 arch_srcs += target_specific.sources()
3912 arch_deps += target_specific.dependencies()
3914 # allow using headers from the dependencies but do not include the sources,
3915 # because this emulator only needs those in "objects". For external
3916 # dependencies, the full dependency is included below in the executable.
3918 foreach dep : arch_deps
3919 lib_deps += dep.partial_dependency(compile_args: true, includes: true)
3922 lib = static_library('qemu-' + target,
3923 sources: arch_srcs + genh,
3924 dependencies: lib_deps,
3926 include_directories: target_inc,
3928 build_by_default: false)
3930 if target.endswith('-softmmu')
3932 'name': 'qemu-system-' + target_name,
3933 'win_subsystem': 'console',
3934 'sources': files('system/main.c'),
3937 if host_os == 'windows' and (sdl.found() or gtk.found())
3939 'name': 'qemu-system-' + target_name + 'w',
3940 'win_subsystem': 'windows',
3941 'sources': files('system/main.c'),
3945 if get_option('fuzzing')
3946 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3948 'name': 'qemu-fuzz-' + target_name,
3949 'win_subsystem': 'console',
3950 'sources': specific_fuzz.sources(),
3951 'dependencies': specific_fuzz.dependencies(),
3956 'name': 'qemu-' + target_name,
3957 'win_subsystem': 'console',
3963 exe_name = exe['name']
3964 if host_os == 'darwin'
3965 exe_name += '-unsigned'
3968 emulator = executable(exe_name, exe['sources'],
3971 dependencies: arch_deps + exe['dependencies'],
3972 objects: lib.extract_all_objects(recursive: true),
3973 link_depends: [block_syms, qemu_syms],
3974 link_args: link_args,
3975 win_subsystem: exe['win_subsystem'])
3977 if host_os == 'darwin'
3978 icon = 'pc-bios/qemu.rsrc'
3979 build_input = [emulator, files(icon)]
3981 get_option('bindir') / exe_name,
3982 meson.current_source_dir() / icon
3984 if 'CONFIG_HVF' in config_target
3985 entitlements = 'accel/hvf/entitlements.plist'
3986 build_input += files(entitlements)
3987 install_input += meson.current_source_dir() / entitlements
3990 emulators += {exe['name'] : custom_target(exe['name'],
3992 output: exe['name'],
3993 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3996 meson.add_install_script(entitlement, '--install',
3997 get_option('bindir') / exe['name'],
4000 emulators += {exe['name']: emulator}
4005 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
4011 # Other build targets
4013 if get_option('plugins')
4014 install_headers('include/qemu/qemu-plugin.h')
4015 if host_os == 'windows'
4016 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4017 # so that plugin authors can compile against it.
4018 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4024 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4025 # when we don't build tools or system
4026 if xkbcommon.found()
4027 # used for the update-keymaps target, so include rules even if !have_tools
4028 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4029 dependencies: [qemuutil, xkbcommon], install: have_tools)
4033 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4034 link_args: '@block.syms', link_depends: block_syms,
4035 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4036 qemu_io = executable('qemu-io', files('qemu-io.c'),
4037 link_args: '@block.syms', link_depends: block_syms,
4038 dependencies: [block, qemuutil], install: true)
4039 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4040 link_args: '@block.syms', link_depends: block_syms,
4041 dependencies: [blockdev, qemuutil, selinux],
4044 subdir('storage-daemon')
4046 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
4049 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4053 subdir('contrib/elf2dmp')
4055 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4056 dependencies: qemuutil,
4060 subdir('contrib/vhost-user-blk')
4061 subdir('contrib/vhost-user-gpu')
4062 subdir('contrib/vhost-user-input')
4063 subdir('contrib/vhost-user-scsi')
4066 if host_os == 'linux'
4067 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4068 dependencies: [qemuutil, libcap_ng],
4070 install_dir: get_option('libexecdir'))
4072 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4073 dependencies: [authz, crypto, io, qom, qemuutil,
4074 libcap_ng, mpathpersist],
4079 subdir('contrib/ivshmem-client')
4080 subdir('contrib/ivshmem-server')
4085 foreach t: traceable
4087 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4088 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4089 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4090 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4093 tracetool, '--group=all', '--format=' + stp['fmt'],
4094 '--binary=' + stp['bin'],
4095 '--probe-prefix=' + t['probe-prefix'],
4096 '@INPUT@', '@OUTPUT@'
4099 custom_target(t['exe'] + stp['ext'],
4100 input: trace_events_all,
4101 output: t['exe'] + stp['ext'],
4102 install: stp['install'],
4103 install_dir: get_option('datadir') / 'systemtap/tapset',
4105 depend_files: tracetool_depends)
4119 if host_machine.system() == 'windows'
4121 find_program('scripts/nsis.py'),
4123 get_option('prefix'),
4124 meson.current_source_dir(),
4125 glib_pc.get_variable('bindir'),
4128 '-DDISPLAYVERSION=' + meson.project_version(),
4131 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4134 nsis_cmd += '-DCONFIG_GTK=y'
4137 nsis = custom_target('nsis',
4138 output: 'qemu-setup-' + meson.project_version() + '.exe',
4139 input: files('qemu.nsi'),
4140 build_always_stale: true,
4141 command: nsis_cmd + ['@INPUT@'])
4142 alias_target('installer', nsis)
4145 #########################
4146 # Configuration summary #
4147 #########################
4151 summary_info += {'Build directory': meson.current_build_dir()}
4152 summary_info += {'Source path': meson.current_source_dir()}
4153 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4154 summary(summary_info, bool_yn: true, section: 'Build environment')
4157 summary_info += {'Install prefix': get_option('prefix')}
4158 summary_info += {'BIOS directory': qemu_datadir}
4159 pathsep = host_os == 'windows' ? ';' : ':'
4160 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4161 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4162 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4163 summary_info += {'module directory': qemu_moddir}
4164 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4165 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4166 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4167 if host_os != 'windows'
4168 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4169 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4171 summary_info += {'local state directory': 'queried at runtime'}
4173 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4174 summary(summary_info, bool_yn: true, section: 'Directories')
4178 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4179 summary_info += {'sphinx-build': sphinx_build}
4181 # FIXME: the [binaries] section of machine files, which can be probed
4182 # with find_program(), would be great for passing gdb and genisoimage
4183 # paths from configure to Meson. However, there seems to be no way to
4184 # hide a program (for example if gdb is too old).
4185 if config_host.has_key('GDB')
4186 summary_info += {'gdb': config_host['GDB']}
4188 summary_info += {'iasl': iasl}
4189 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4190 if host_os == 'windows' and have_ga
4191 summary_info += {'wixl': wixl}
4193 if slirp.found() and have_system
4194 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4196 summary(summary_info, bool_yn: true, section: 'Host binaries')
4198 # Configurable features
4200 summary_info += {'Documentation': build_docs}
4201 summary_info += {'system-mode emulation': have_system}
4202 summary_info += {'user-mode emulation': have_user}
4203 summary_info += {'block layer': have_block}
4204 summary_info += {'Install blobs': get_option('install_blobs')}
4205 summary_info += {'module support': enable_modules}
4207 summary_info += {'alternative module path': get_option('module_upgrades')}
4209 summary_info += {'fuzzing support': get_option('fuzzing')}
4211 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4213 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4214 if 'simple' in get_option('trace_backends')
4215 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4217 summary_info += {'D-Bus display': dbus_display}
4218 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4219 summary_info += {'Relocatable install': get_option('relocatable')}
4220 summary_info += {'vhost-kernel support': have_vhost_kernel}
4221 summary_info += {'vhost-net support': have_vhost_net}
4222 summary_info += {'vhost-user support': have_vhost_user}
4223 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4224 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4225 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4226 summary_info += {'build guest agent': have_ga}
4227 summary(summary_info, bool_yn: true, section: 'Configurable features')
4229 # Compilation information
4231 summary_info += {'host CPU': cpu}
4232 summary_info += {'host endianness': build_machine.endian()}
4233 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4234 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4235 if 'cpp' in all_languages
4236 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4238 summary_info += {'C++ compiler': false}
4240 if 'objc' in all_languages
4241 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4243 summary_info += {'Objective-C compiler': false}
4245 option_cflags = (get_option('debug') ? ['-g'] : [])
4246 if get_option('optimization') != 'plain'
4247 option_cflags += ['-O' + get_option('optimization')]
4249 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4250 if 'cpp' in all_languages
4251 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4253 if 'objc' in all_languages
4254 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4256 link_args = get_option('c_link_args')
4257 if link_args.length() > 0
4258 summary_info += {'LDFLAGS': ' '.join(link_args)}
4260 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4261 if 'cpp' in all_languages
4262 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4264 if 'objc' in all_languages
4265 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4267 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4268 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4269 summary_info += {'PIE': get_option('b_pie')}
4270 summary_info += {'static build': get_option('prefer_static')}
4271 summary_info += {'malloc trim support': has_malloc_trim}
4272 summary_info += {'membarrier': have_membarrier}
4273 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4274 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4275 summary_info += {'mutex debugging': get_option('debug_mutex')}
4276 summary_info += {'memory allocator': get_option('malloc')}
4277 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4278 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4279 summary_info += {'gcov': get_option('b_coverage')}
4280 summary_info += {'thread sanitizer': get_option('tsan')}
4281 summary_info += {'CFI support': get_option('cfi')}
4282 if get_option('cfi')
4283 summary_info += {'CFI debug support': get_option('cfi_debug')}
4285 summary_info += {'strip binaries': get_option('strip')}
4286 summary_info += {'sparse': sparse}
4287 summary_info += {'mingw32 support': host_os == 'windows'}
4288 summary(summary_info, bool_yn: true, section: 'Compilation')
4290 # snarf the cross-compilation information for tests
4293 foreach target: target_dirs
4294 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4295 if fs.exists(tcg_mak)
4296 config_cross_tcg = keyval.load(tcg_mak)
4297 if 'CC' in config_cross_tcg
4298 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4304 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4307 # Targets and accelerators
4310 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4311 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4312 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4313 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4314 summary_info += {'Xen support': xen.found()}
4316 summary_info += {'xen ctrl version': xen.version()}
4318 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4320 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4321 if config_all_accel.has_key('CONFIG_TCG')
4322 if get_option('tcg_interpreter')
4323 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4325 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4327 summary_info += {'TCG plugins': get_option('plugins')}
4328 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4329 if have_linux_user or have_bsd_user
4330 summary_info += {'syscall buffer debugging support': get_option('debug_remap')}
4333 summary_info += {'target list': ' '.join(target_dirs)}
4335 summary_info += {'default devices': get_option('default_devices')}
4336 summary_info += {'out of process emulation': multiprocess_allowed}
4337 summary_info += {'vfio-user server': vfio_user_server_allowed}
4339 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4343 summary_info += {'coroutine backend': coroutine_backend}
4344 summary_info += {'coroutine pool': have_coroutine_pool}
4346 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4347 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4348 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4349 summary_info += {'VirtFS (9P) support': have_virtfs}
4350 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4351 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4352 summary_info += {'bochs support': get_option('bochs').allowed()}
4353 summary_info += {'cloop support': get_option('cloop').allowed()}
4354 summary_info += {'dmg support': get_option('dmg').allowed()}
4355 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4356 summary_info += {'vdi support': get_option('vdi').allowed()}
4357 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4358 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4359 summary_info += {'vpc support': get_option('vpc').allowed()}
4360 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4361 summary_info += {'qed support': get_option('qed').allowed()}
4362 summary_info += {'parallels support': get_option('parallels').allowed()}
4363 summary_info += {'FUSE exports': fuse}
4364 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4366 summary(summary_info, bool_yn: true, section: 'Block layer support')
4370 summary_info += {'TLS priority': get_option('tls_priority')}
4371 summary_info += {'GNUTLS support': gnutls}
4373 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4375 summary_info += {'libgcrypt': gcrypt}
4376 summary_info += {'nettle': nettle}
4378 summary_info += {' XTS': xts != 'private'}
4380 summary_info += {'SM4 ALG support': crypto_sm4}
4381 summary_info += {'AF_ALG support': have_afalg}
4382 summary_info += {'rng-none': get_option('rng_none')}
4383 summary_info += {'Linux keyring': have_keyring}
4384 summary_info += {'Linux keyutils': keyutils}
4385 summary(summary_info, bool_yn: true, section: 'Crypto')
4389 if host_os == 'darwin'
4390 summary_info += {'Cocoa support': cocoa}
4392 summary_info += {'SDL support': sdl}
4393 summary_info += {'SDL image support': sdl_image}
4394 summary_info += {'GTK support': gtk}
4395 summary_info += {'pixman': pixman}
4396 summary_info += {'VTE support': vte}
4397 summary_info += {'PNG support': png}
4398 summary_info += {'VNC support': vnc}
4400 summary_info += {'VNC SASL support': sasl}
4401 summary_info += {'VNC JPEG support': jpeg}
4403 summary_info += {'spice protocol support': spice_protocol}
4404 if spice_protocol.found()
4405 summary_info += {' spice server support': spice}
4407 summary_info += {'curses support': curses}
4408 summary_info += {'brlapi support': brlapi}
4409 summary(summary_info, bool_yn: true, section: 'User interface')
4413 summary_info += {'VirGL support': virgl}
4414 summary_info += {'Rutabaga support': rutabaga}
4415 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4419 if host_os not in ['darwin', 'haiku', 'windows']
4420 summary_info += {'OSS support': oss}
4421 summary_info += {'sndio support': sndio}
4422 elif host_os == 'darwin'
4423 summary_info += {'CoreAudio support': coreaudio}
4424 elif host_os == 'windows'
4425 summary_info += {'DirectSound support': dsound}
4427 if host_os == 'linux'
4428 summary_info += {'ALSA support': alsa}
4429 summary_info += {'PulseAudio support': pulse}
4431 summary_info += {'PipeWire support': pipewire}
4432 summary_info += {'JACK support': jack}
4433 summary(summary_info, bool_yn: true, section: 'Audio backends')
4437 if host_os == 'darwin'
4438 summary_info += {'vmnet.framework support': vmnet}
4440 summary_info += {'AF_XDP support': libxdp}
4441 summary_info += {'slirp support': slirp}
4442 summary_info += {'vde support': vde}
4443 summary_info += {'netmap support': have_netmap}
4444 summary_info += {'l2tpv3 support': have_l2tpv3}
4445 summary(summary_info, bool_yn: true, section: 'Network backends')
4449 summary_info += {'libtasn1': tasn1}
4450 summary_info += {'PAM': pam}
4451 summary_info += {'iconv support': iconv}
4452 summary_info += {'blkio support': blkio}
4453 summary_info += {'curl support': curl}
4454 summary_info += {'Multipath support': mpathpersist}
4455 summary_info += {'Linux AIO support': libaio}
4456 summary_info += {'Linux io_uring support': linux_io_uring}
4457 summary_info += {'ATTR/XATTR support': libattr}
4458 summary_info += {'RDMA support': rdma}
4459 summary_info += {'fdt support': fdt_opt == 'internal' ? 'internal' : fdt}
4460 summary_info += {'libcap-ng support': libcap_ng}
4461 summary_info += {'bpf support': libbpf}
4462 summary_info += {'rbd support': rbd}
4463 summary_info += {'smartcard support': cacard}
4464 summary_info += {'U2F support': u2f}
4465 summary_info += {'libusb': libusb}
4466 summary_info += {'usb net redir': usbredir}
4467 summary_info += {'OpenGL support (epoxy)': opengl}
4468 summary_info += {'GBM': gbm}
4469 summary_info += {'libiscsi support': libiscsi}
4470 summary_info += {'libnfs support': libnfs}
4471 if host_os == 'windows'
4473 summary_info += {'QGA VSS support': have_qga_vss}
4476 summary_info += {'seccomp support': seccomp}
4477 summary_info += {'GlusterFS support': glusterfs}
4478 summary_info += {'hv-balloon support': hv_balloon}
4479 summary_info += {'TPM support': have_tpm}
4480 summary_info += {'libssh support': libssh}
4481 summary_info += {'lzo support': lzo}
4482 summary_info += {'snappy support': snappy}
4483 summary_info += {'bzip2 support': libbzip2}
4484 summary_info += {'lzfse support': liblzfse}
4485 summary_info += {'zstd support': zstd}
4486 summary_info += {'Query Processing Library support': qpl}
4487 summary_info += {'UADK Library support': uadk}
4488 summary_info += {'NUMA host support': numa}
4489 summary_info += {'capstone': capstone}
4490 summary_info += {'libpmem support': libpmem}
4491 summary_info += {'libdaxctl support': libdaxctl}
4492 summary_info += {'libudev': libudev}
4493 # Dummy dependency, keep .found()
4494 summary_info += {'FUSE lseek': fuse_lseek.found()}
4495 summary_info += {'selinux': selinux}
4496 summary_info += {'libdw': libdw}
4497 if host_os == 'freebsd'
4498 summary_info += {'libinotify-kqueue': inotify}
4500 summary(summary_info, bool_yn: true, section: 'Dependencies')
4502 if host_arch == 'unknown'
4504 warning('UNSUPPORTED HOST CPU')
4506 message('Support for CPU host architecture ' + cpu + ' is not currently')
4507 message('maintained. The QEMU project does not guarantee that QEMU will')
4508 message('compile or work on this host CPU. You can help by volunteering')
4509 message('to maintain it and providing a build host for our continuous')
4510 message('integration setup.')
4511 if get_option('tcg').allowed() and target_dirs.length() > 0
4513 message('configure has succeeded and you can continue to build, but')
4514 message('QEMU will use a slow interpreter to emulate the target CPU.')
4518 if not supported_oses.contains(host_os)
4520 warning('UNSUPPORTED HOST OS')
4522 message('Support for host OS ' + host_os + 'is not currently maintained.')
4523 message('configure has succeeded and you can continue to build, but')
4524 message('the QEMU project does not guarantee that QEMU will compile or')
4525 message('work on this operating system. You can help by volunteering')
4526 message('to maintain it and providing a build host for our continuous')
4527 message('integration setup. This will ensure that future versions of QEMU')
4528 message('will keep working on ' + host_os + '.')
4531 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4533 message('If you want to help supporting QEMU on this platform, please')
4534 message('contact the developers at qemu-devel@nongnu.org.')
4537 actually_reloc = get_option('relocatable')
4538 # check if get_relocated_path() is actually able to relocate paths
4539 if get_option('relocatable') and \
4540 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4542 warning('bindir not included within prefix, the installation will not be relocatable.')
4543 actually_reloc = false
4545 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4546 if host_os == 'windows'
4548 warning('Windows installs should usually be relocatable.')
4551 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4552 message('Use --disable-relocatable to remove this warning.')