1 project('qemu', ['c'], meson_version: '>=1.1.0',
2 default_options: ['warning_level=2', '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-field-initializers',
644 '-Wno-missing-include-dirs',
645 '-Wno-override-init',
647 '-Wno-shift-negative-value',
649 '-Wno-string-plus-int',
650 '-Wno-tautological-type-limit-compare',
651 '-Wno-unused-parameter',
652 '-Wno-gnu-variable-sized-type-not-at-end',
653 '-Wno-error=cast-function-type',
655 '-Wno-error=format-extra-args',
656 '-Wno-error=implicit-fallthrough',
657 '-Wno-error=parentheses',
659 '-Wno-typedef-redefinition',
662 if host_os != 'darwin'
663 warn_flags += ['-Wthread-safety']
666 # Set up C++ compiler flags
668 if 'cpp' in all_languages
669 qemu_cxxflags = ['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'] + qemu_cflags
672 add_project_arguments(qemu_cflags, native: false, language: 'c')
673 add_project_arguments(cc.get_supported_arguments(warn_flags), native: false, language: 'c')
674 if 'cpp' in all_languages
675 add_project_arguments(qemu_cxxflags, native: false, language: 'cpp')
676 add_project_arguments(cxx.get_supported_arguments(warn_flags), native: false, language: 'cpp')
678 if 'objc' in all_languages
679 # Note sanitizer flags are not applied to Objective-C sources!
680 add_project_arguments(objc.get_supported_arguments(warn_flags), native: false, language: 'objc')
682 if host_os == 'linux'
683 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
684 '-isystem', 'linux-headers',
685 language: all_languages)
688 add_project_arguments('-iquote', '.',
689 '-iquote', meson.current_source_dir(),
690 '-iquote', meson.current_source_dir() / 'include',
691 language: all_languages)
693 # If a host-specific include directory exists, list that first...
694 host_include = meson.current_source_dir() / 'host/include/'
695 if fs.is_dir(host_include / host_arch)
696 add_project_arguments('-iquote', host_include / host_arch,
697 language: all_languages)
699 # ... followed by the generic fallback.
700 add_project_arguments('-iquote', host_include / 'generic',
701 language: all_languages)
703 sparse = find_program('cgcc', required: get_option('sparse'))
706 command: [find_program('scripts/check_sparse.py'),
707 'compile_commands.json', sparse.full_path(), '-Wbitwise',
708 '-Wno-transparent-union', '-Wno-old-initializer',
709 '-Wno-non-pointer-null'])
712 #####################################
713 # Host-specific libraries and flags #
714 #####################################
716 libm = cc.find_library('m', required: false)
717 threads = dependency('threads')
718 util = cc.find_library('util', required: false)
724 emulator_link_args = []
729 if host_os == 'windows'
730 midl = find_program('midl', required: false)
731 widl = find_program('widl', required: false)
732 pathcch = cc.find_library('pathcch')
733 socket = cc.find_library('ws2_32')
734 winmm = cc.find_library('winmm')
736 win = import('windows')
737 version_res = win.compile_resources('version.rc',
738 depend_files: files('pc-bios/qemu-nsis.ico'),
739 include_directories: include_directories('.'))
741 elif host_os == 'darwin'
742 coref = dependency('appleframeworks', modules: 'CoreFoundation')
743 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
744 host_dsosuf = '.dylib'
745 elif host_os == 'sunos'
746 socket = [cc.find_library('socket'),
747 cc.find_library('nsl'),
748 cc.find_library('resolv')]
749 elif host_os == 'haiku'
750 socket = [cc.find_library('posix_error_mapper'),
751 cc.find_library('network'),
752 cc.find_library('bsd')]
753 elif host_os == 'openbsd'
754 if get_option('tcg').allowed() and target_dirs.length() > 0
755 # Disable OpenBSD W^X if available
756 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
760 ###############################################
761 # Host-specific configuration of accelerators #
762 ###############################################
765 if get_option('kvm').allowed() and host_os == 'linux'
766 accelerators += 'CONFIG_KVM'
768 if get_option('whpx').allowed() and host_os == 'windows'
769 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
770 error('WHPX requires 64-bit host')
771 elif cc.has_header('winhvplatform.h', required: get_option('whpx')) and \
772 cc.has_header('winhvemulation.h', required: get_option('whpx'))
773 accelerators += 'CONFIG_WHPX'
778 if get_option('hvf').allowed()
779 hvf = dependency('appleframeworks', modules: 'Hypervisor',
780 required: get_option('hvf'))
782 accelerators += 'CONFIG_HVF'
787 if host_os == 'netbsd'
788 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
790 accelerators += 'CONFIG_NVMM'
795 if get_option('tcg').allowed()
796 if host_arch == 'unknown'
797 if not get_option('tcg_interpreter')
798 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
800 elif get_option('tcg_interpreter')
801 warning('Use of the TCG interpreter is not recommended on this host')
802 warning('architecture. There is a native TCG execution backend available')
803 warning('which provides substantially better performance and reliability.')
804 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
805 warning('configuration option on this architecture to use the native')
808 if get_option('tcg_interpreter')
810 elif host_arch == 'x86_64'
812 elif host_arch == 'ppc64'
815 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
816 language: all_languages)
818 accelerators += 'CONFIG_TCG'
821 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
822 error('KVM not available on this platform')
824 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
825 error('HVF not available on this platform')
827 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
828 error('NVMM not available on this platform')
830 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
831 error('WHPX not available on this platform')
835 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
836 xencontrol = dependency('xencontrol', required: false,
837 method: 'pkg-config')
838 if xencontrol.found()
839 xen_pc = declare_dependency(version: xencontrol.version(),
842 # disabler: true makes xen_pc.found() return false if any is not found
843 dependency('xenstore', required: false,
844 method: 'pkg-config',
846 dependency('xenforeignmemory', required: false,
847 method: 'pkg-config',
849 dependency('xengnttab', required: false,
850 method: 'pkg-config',
852 dependency('xenevtchn', required: false,
853 method: 'pkg-config',
855 dependency('xendevicemodel', required: false,
856 method: 'pkg-config',
858 # optional, no "disabler: true"
859 dependency('xentoolcore', required: false,
860 method: 'pkg-config')])
866 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1' ]
868 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
869 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
870 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
871 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
872 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
875 foreach ver: xen_tests
876 # cache the various library tests to avoid polluting the logs
878 foreach l: xen_libs[ver]
880 xen_deps += { l: cc.find_library(l, required: false) }
882 xen_test_deps += xen_deps[l]
885 # Use -D to pick just one of the test programs in scripts/xen-detect.c
886 xen_version = ver.split('.')
887 xen_ctrl_version = xen_version[0] + \
888 ('0' + xen_version[1]).substring(-2) + \
889 ('0' + xen_version[2]).substring(-2)
890 if cc.links(files('scripts/xen-detect.c'),
891 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
892 dependencies: xen_test_deps)
893 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
899 accelerators += 'CONFIG_XEN'
900 elif get_option('xen').enabled()
901 error('could not compile and link Xen test program')
904 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
905 .require(xen.found(),
906 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
907 .require(host_os == 'linux',
908 error_message: 'Xen PCI passthrough not available on this platform') \
909 .require(cpu == 'x86' or cpu == 'x86_64',
910 error_message: 'Xen PCI passthrough not available on this platform') \
917 # When bumping glib minimum version, please check also whether to increase
918 # the _WIN32_WINNT setting in osdep.h according to the value from glib
919 glib_req_ver = '>=2.66.0'
920 glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true,
921 method: 'pkg-config')
924 gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true,
925 method: 'pkg-config')
926 elif get_option('plugins')
927 gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true,
928 method: 'pkg-config')
933 # This workaround is required due to a bug in pkg-config file for glib as it
934 # doesn't define GLIB_STATIC_COMPILATION for pkg-config --static
935 if host_os == 'windows' and get_option('prefer_static')
936 glib_cflags += ['-DGLIB_STATIC_COMPILATION']
939 # Sanity check that the current size_t matches the
940 # size that glib thinks it should be. This catches
941 # problems on multi-arch where people try to build
942 # 32-bit QEMU while pointing at 64-bit glib headers
944 if not cc.compiles('''
948 #define QEMU_BUILD_BUG_ON(x) \
949 typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused));
952 QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T);
954 }''', dependencies: glib_pc, args: glib_cflags)
955 error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
956 You probably need to set PKG_CONFIG_LIBDIR" to point
957 to the right pkg-config files for your build target.''')
960 glib = declare_dependency(dependencies: [glib_pc, gmodule],
961 compile_args: glib_cflags,
962 version: glib_pc.version())
964 # Check whether glib has gslice, which we have to avoid for correctness.
965 # TODO: remove this check and the corresponding workaround (qtree) when
966 # the minimum supported glib is >= 2.75.3
967 glib_has_gslice = glib.version().version_compare('<2.75.3')
969 # override glib dep to include the above refinements
970 meson.override_dependency('glib-2.0', glib)
972 # The path to glib.h is added to all compilation commands.
973 add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true),
974 native: false, language: all_languages)
977 gdbus_codegen = not_found
978 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
979 if not get_option('gio').auto() or have_system
980 gio = dependency('gio-2.0', required: get_option('gio'),
981 method: 'pkg-config')
982 if gio.found() and not cc.links('''
986 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
988 }''', dependencies: [glib, gio])
989 if get_option('gio').enabled()
990 error('The installed libgio is broken for static linking')
995 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
996 required: get_option('gio'))
997 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
998 method: 'pkg-config')
999 gio = declare_dependency(dependencies: [gio, gio_unix],
1000 version: gio.version())
1003 if gdbus_codegen.found() and get_option('cfi')
1004 gdbus_codegen = not_found
1005 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
1008 xml_pp = find_program('scripts/xml-preprocess.py')
1011 if 'ust' in get_option('trace_backends')
1012 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
1013 method: 'pkg-config')
1016 if not get_option('pixman').auto() or have_system or have_tools
1017 pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
1018 method: 'pkg-config')
1021 zlib = dependency('zlib', required: true)
1024 if not get_option('linux_aio').auto() or have_block
1025 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
1026 required: get_option('linux_aio'))
1029 linux_io_uring_test = '''
1030 #include <liburing.h>
1031 #include <linux/errqueue.h>
1033 int main(void) { return 0; }'''
1035 linux_io_uring = not_found
1036 if not get_option('linux_io_uring').auto() or have_block
1037 linux_io_uring = dependency('liburing', version: '>=0.3',
1038 required: get_option('linux_io_uring'),
1039 method: 'pkg-config')
1040 if not cc.links(linux_io_uring_test)
1041 linux_io_uring = not_found
1046 if not get_option('libnfs').auto() or have_block
1047 libnfs = dependency('libnfs', version: '>=1.9.3',
1048 required: get_option('libnfs'),
1049 method: 'pkg-config')
1054 #include <sys/types.h>
1055 #ifdef CONFIG_LIBATTR
1056 #include <attr/xattr.h>
1058 #include <sys/xattr.h>
1060 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
1063 have_old_libattr = false
1064 if get_option('attr').allowed()
1065 if cc.links(libattr_test)
1066 libattr = declare_dependency()
1068 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
1069 required: get_option('attr'))
1070 if libattr.found() and not \
1071 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
1073 if get_option('attr').enabled()
1074 error('could not link libattr')
1076 warning('could not link libattr, disabling')
1079 have_old_libattr = libattr.found()
1084 cocoa = dependency('appleframeworks',
1085 modules: ['Cocoa', 'CoreVideo', 'QuartzCore'],
1086 required: get_option('cocoa'))
1088 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
1089 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
1090 'VMNET_BRIDGED_MODE',
1091 dependencies: vmnet)
1093 if get_option('vmnet').enabled()
1094 error('vmnet.framework API is outdated')
1096 warning('vmnet.framework API is outdated, disabling')
1101 seccomp_has_sysrawrc = false
1102 if not get_option('seccomp').auto() or have_system or have_tools
1103 seccomp = dependency('libseccomp', version: '>=2.3.0',
1104 required: get_option('seccomp'),
1105 method: 'pkg-config')
1107 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
1108 'SCMP_FLTATR_API_SYSRAWRC',
1109 dependencies: seccomp)
1113 libcap_ng = not_found
1114 if not get_option('cap_ng').auto() or have_system or have_tools
1115 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
1116 required: get_option('cap_ng'))
1118 if libcap_ng.found() and not cc.links('''
1122 capng_capability_to_name(CAPNG_EFFECTIVE);
1124 }''', dependencies: libcap_ng)
1125 libcap_ng = not_found
1126 if get_option('cap_ng').enabled()
1127 error('could not link libcap-ng')
1129 warning('could not link libcap-ng, disabling')
1133 if get_option('xkbcommon').auto() and not have_system and not have_tools
1134 xkbcommon = not_found
1136 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
1137 method: 'pkg-config')
1141 if not get_option('slirp').auto() or have_system
1142 slirp = dependency('slirp', required: get_option('slirp'),
1143 method: 'pkg-config')
1144 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
1145 # it passes function pointers within libslirp as callbacks for timers.
1146 # When using a system-wide shared libslirp, the type information for the
1147 # callback is missing and the timer call produces a false positive with CFI.
1148 # Do not use the "version" keyword argument to produce a better error.
1149 # with control-flow integrity.
1150 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
1151 if get_option('slirp').enabled()
1152 error('Control-Flow Integrity requires libslirp 4.7.')
1154 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
1161 if not get_option('vde').auto() or have_system or have_tools
1162 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
1163 required: get_option('vde'))
1165 if vde.found() and not cc.links('''
1166 #include <libvdeplug.h>
1169 struct vde_open_args a = {0, 0, 0};
1173 }''', dependencies: vde)
1175 if get_option('cap_ng').enabled()
1176 error('could not link libvdeplug')
1178 warning('could not link libvdeplug, disabling')
1183 if not get_option('pa').auto() or (host_os == 'linux' and have_system)
1184 pulse = dependency('libpulse', required: get_option('pa'),
1185 method: 'pkg-config')
1188 if not get_option('alsa').auto() or (host_os == 'linux' and have_system)
1189 alsa = dependency('alsa', required: get_option('alsa'),
1190 method: 'pkg-config')
1193 if not get_option('jack').auto() or have_system
1194 jack = dependency('jack', required: get_option('jack'),
1195 method: 'pkg-config')
1197 pipewire = not_found
1198 if not get_option('pipewire').auto() or (host_os == 'linux' and have_system)
1199 pipewire = dependency('libpipewire-0.3', version: '>=0.3.60',
1200 required: get_option('pipewire'),
1201 method: 'pkg-config')
1204 if not get_option('sndio').auto() or have_system
1205 sndio = dependency('sndio', required: get_option('sndio'),
1206 method: 'pkg-config')
1209 spice_protocol = not_found
1210 if not get_option('spice_protocol').auto() or have_system
1211 spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
1212 required: get_option('spice_protocol'),
1213 method: 'pkg-config')
1216 if get_option('spice') \
1217 .disable_auto_if(not have_system) \
1218 .require(pixman.found(),
1219 error_message: 'cannot enable SPICE if pixman is not available') \
1221 spice = dependency('spice-server', version: '>=0.14.0',
1222 required: get_option('spice'),
1223 method: 'pkg-config')
1225 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
1227 rt = cc.find_library('rt', required: false)
1229 libiscsi = not_found
1230 if not get_option('libiscsi').auto() or have_block
1231 libiscsi = dependency('libiscsi', version: '>=1.9.0',
1232 required: get_option('libiscsi'),
1233 method: 'pkg-config')
1236 if not get_option('zstd').auto() or have_block
1237 zstd = dependency('libzstd', version: '>=1.4.0',
1238 required: get_option('zstd'),
1239 method: 'pkg-config')
1242 if not get_option('qpl').auto() or have_system
1243 qpl = dependency('qpl', version: '>=1.5.0',
1244 required: get_option('qpl'),
1245 method: 'pkg-config')
1248 if not get_option('uadk').auto() or have_system
1249 libwd = dependency('libwd', version: '>=2.6',
1250 required: get_option('uadk'),
1251 method: 'pkg-config')
1252 libwd_comp = dependency('libwd_comp', version: '>=2.6',
1253 required: get_option('uadk'),
1254 method: 'pkg-config')
1255 if libwd.found() and libwd_comp.found()
1256 uadk = declare_dependency(dependencies: [libwd, libwd_comp])
1261 have_vhost_user_gpu = have_tools and host_os == 'linux' and pixman.found()
1262 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
1263 virgl = dependency('virglrenderer',
1264 method: 'pkg-config',
1265 required: get_option('virglrenderer'))
1267 rutabaga = not_found
1268 if not get_option('rutabaga_gfx').auto() or have_system or have_vhost_user_gpu
1269 rutabaga = dependency('rutabaga_gfx_ffi',
1270 method: 'pkg-config',
1271 required: get_option('rutabaga_gfx'))
1274 if not get_option('blkio').auto() or have_block
1275 blkio = dependency('blkio',
1276 method: 'pkg-config',
1277 required: get_option('blkio'))
1280 if not get_option('curl').auto() or have_block
1281 curl = dependency('libcurl', version: '>=7.29.0',
1282 method: 'pkg-config',
1283 required: get_option('curl'))
1286 if host_os == 'linux' and (have_system or have_tools)
1287 libudev = dependency('libudev',
1288 method: 'pkg-config',
1289 required: get_option('libudev'))
1292 mpathlibs = [libudev]
1293 mpathpersist = not_found
1294 if host_os == 'linux' and have_tools and get_option('mpath').allowed()
1295 mpath_test_source = '''
1296 #include <libudev.h>
1297 #include <mpath_persist.h>
1298 unsigned mpath_mx_alloc_len = 1024;
1300 static struct config *multipath_conf;
1301 extern struct udev *udev;
1302 extern struct config *get_multipath_config(void);
1303 extern void put_multipath_config(struct config *conf);
1305 struct config *get_multipath_config(void) { return multipath_conf; }
1306 void put_multipath_config(struct config *conf) { }
1309 multipath_conf = mpath_lib_init();
1312 libmpathpersist = cc.find_library('mpathpersist',
1313 required: get_option('mpath'))
1314 if libmpathpersist.found()
1315 mpathlibs += libmpathpersist
1316 if get_option('prefer_static')
1317 mpathlibs += cc.find_library('devmapper',
1318 required: get_option('mpath'))
1320 mpathlibs += cc.find_library('multipath',
1321 required: get_option('mpath'))
1322 foreach lib: mpathlibs
1328 if mpathlibs.length() == 0
1329 msg = 'Dependencies missing for libmpathpersist'
1330 elif cc.links(mpath_test_source, dependencies: mpathlibs)
1331 mpathpersist = declare_dependency(dependencies: mpathlibs)
1333 msg = 'Cannot detect libmpathpersist API'
1335 if not mpathpersist.found()
1336 if get_option('mpath').enabled()
1339 warning(msg + ', disabling')
1347 if have_system and get_option('curses').allowed()
1349 #if defined(__APPLE__) || defined(__OpenBSD__)
1350 #define _XOPEN_SOURCE_EXTENDED 1
1357 setlocale(LC_ALL, "");
1359 addwstr(L"wide chars\n");
1361 add_wch(WACS_DEGREE);
1365 curses_dep_list = host_os == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
1366 curses = dependency(curses_dep_list,
1368 method: 'pkg-config')
1369 msg = get_option('curses').enabled() ? 'curses library not found' : ''
1370 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
1372 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
1373 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses],
1374 version: curses.version())
1376 msg = 'curses package not usable'
1380 if not curses.found()
1381 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1382 if host_os != 'windows' and not has_curses_h
1383 message('Trying with /usr/include/ncursesw')
1384 curses_compile_args += ['-I/usr/include/ncursesw']
1385 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
1388 curses_libname_list = (host_os == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
1389 foreach curses_libname : curses_libname_list
1390 libcurses = cc.find_library(curses_libname,
1392 if libcurses.found()
1393 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
1394 curses = declare_dependency(compile_args: curses_compile_args,
1395 dependencies: [libcurses])
1398 msg = 'curses library not usable'
1404 if get_option('iconv').allowed()
1405 foreach link_args : [ ['-liconv'], [] ]
1406 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
1407 # We need to use libiconv if available because mixing libiconv's headers with
1408 # the system libc does not work.
1409 # However, without adding glib to the dependencies -L/usr/local/lib will not be
1410 # included in the command line and libiconv will not be found.
1414 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
1415 return conv != (iconv_t) -1;
1416 }''', args: link_args, dependencies: glib)
1417 iconv = declare_dependency(link_args: link_args, dependencies: glib)
1422 if curses.found() and not iconv.found()
1423 if get_option('iconv').enabled()
1424 error('iconv not available')
1426 msg = 'iconv required for curses UI but not available'
1429 if not curses.found() and msg != ''
1430 if get_option('curses').enabled()
1433 warning(msg + ', disabling')
1439 if not get_option('brlapi').auto() or have_system
1440 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
1441 required: get_option('brlapi'))
1442 if brlapi.found() and not cc.links('''
1445 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
1447 if get_option('brlapi').enabled()
1448 error('could not link brlapi')
1450 warning('could not link brlapi, disabling')
1456 if not get_option('sdl').auto() or have_system
1457 sdl = dependency('sdl2', required: get_option('sdl'))
1458 sdl_image = not_found
1461 # Some versions of SDL have problems with -Wundef
1462 if not cc.compiles('''
1464 #include <SDL_syswm.h>
1465 int main(int argc, char *argv[]) { return 0; }
1466 ''', dependencies: sdl, args: '-Werror=undef')
1467 sdl = declare_dependency(compile_args: '-Wno-undef',
1469 version: sdl.version())
1471 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
1472 method: 'pkg-config')
1474 if get_option('sdl_image').enabled()
1475 error('sdl-image required, but SDL was @0@'.format(
1476 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1478 sdl_image = not_found
1482 if not get_option('rbd').auto() or have_block
1483 librados = cc.find_library('rados', required: get_option('rbd'))
1484 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1485 required: get_option('rbd'))
1486 if librados.found() and librbd.found()
1489 #include <rbd/librbd.h>
1492 rados_create(&cluster, NULL);
1493 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1497 }''', dependencies: [librbd, librados])
1498 rbd = declare_dependency(dependencies: [librbd, librados])
1499 elif get_option('rbd').enabled()
1500 error('librbd >= 1.12.0 required')
1502 warning('librbd >= 1.12.0 not found, disabling')
1507 glusterfs = not_found
1508 glusterfs_ftruncate_has_stat = false
1509 glusterfs_iocb_has_stat = false
1510 if not get_option('glusterfs').auto() or have_block
1511 glusterfs = dependency('glusterfs-api', version: '>=3',
1512 required: get_option('glusterfs'),
1513 method: 'pkg-config')
1514 if glusterfs.found()
1515 glusterfs_ftruncate_has_stat = cc.links('''
1516 #include <glusterfs/api/glfs.h>
1521 /* new glfs_ftruncate() passes two additional args */
1522 return glfs_ftruncate(NULL, 0, NULL, NULL);
1524 ''', dependencies: glusterfs)
1525 glusterfs_iocb_has_stat = cc.links('''
1526 #include <glusterfs/api/glfs.h>
1528 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1530 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1536 glfs_io_cbk iocb = &glusterfs_iocb;
1537 iocb(NULL, 0 , NULL, NULL, NULL);
1540 ''', dependencies: glusterfs)
1545 if get_option('hv_balloon').allowed() and have_system
1548 #include <gmodule.h>
1552 tree = g_tree_new((GCompareFunc)strcmp);
1553 (void)g_tree_node_first(tree);
1554 g_tree_destroy(tree);
1557 ''', dependencies: glib)
1560 if get_option('hv_balloon').enabled()
1561 error('could not enable hv-balloon, update your glib')
1563 warning('could not find glib support for hv-balloon, disabling')
1569 if not get_option('libssh').auto() or have_block
1570 libssh = dependency('libssh', version: '>=0.8.7',
1571 method: 'pkg-config',
1572 required: get_option('libssh'))
1575 libbzip2 = not_found
1576 if not get_option('bzip2').auto() or have_block
1577 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1578 required: get_option('bzip2'))
1579 if libbzip2.found() and not cc.links('''
1581 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1582 libbzip2 = not_found
1583 if get_option('bzip2').enabled()
1584 error('could not link libbzip2')
1586 warning('could not link libbzip2, disabling')
1591 liblzfse = not_found
1592 if not get_option('lzfse').auto() or have_block
1593 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1594 required: get_option('lzfse'))
1596 if liblzfse.found() and not cc.links('''
1598 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1599 liblzfse = not_found
1600 if get_option('lzfse').enabled()
1601 error('could not link liblzfse')
1603 warning('could not link liblzfse, disabling')
1608 if get_option('oss').allowed() and have_system
1609 if not cc.has_header('sys/soundcard.h')
1611 elif host_os == 'netbsd'
1612 oss = cc.find_library('ossaudio', required: get_option('oss'))
1614 oss = declare_dependency()
1618 if get_option('oss').enabled()
1619 error('OSS not found')
1624 if not get_option('dsound').auto() or (host_os == 'windows' and have_system)
1625 if cc.has_header('dsound.h')
1626 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1629 if not dsound.found()
1630 if get_option('dsound').enabled()
1631 error('DirectSound not found')
1636 coreaudio = not_found
1637 if not get_option('coreaudio').auto() or (host_os == 'darwin' and have_system)
1638 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1639 required: get_option('coreaudio'))
1643 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1644 epoxy = dependency('epoxy', method: 'pkg-config',
1645 required: get_option('opengl'))
1646 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1648 elif get_option('opengl').enabled()
1649 error('epoxy/egl.h not found')
1653 if (have_system or have_tools) and (virgl.found() or opengl.found())
1654 gbm = dependency('gbm', method: 'pkg-config', required: false)
1656 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1659 gnutls_crypto = not_found
1660 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1661 # For general TLS support our min gnutls matches
1662 # that implied by our platform support matrix
1664 # For the crypto backends, we look for a newer
1667 # Version 3.6.8 is needed to get XTS
1668 # Version 3.6.13 is needed to get PBKDF
1669 # Version 3.6.14 is needed to get HW accelerated XTS
1671 # If newer enough gnutls isn't available, we can
1672 # still use a different crypto backend to satisfy
1673 # the platform support requirements
1674 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1675 method: 'pkg-config',
1677 if gnutls_crypto.found()
1678 gnutls = gnutls_crypto
1680 # Our min version if all we need is TLS
1681 gnutls = dependency('gnutls', version: '>=3.5.18',
1682 method: 'pkg-config',
1683 required: get_option('gnutls'))
1687 # We prefer use of gnutls for crypto, unless the options
1688 # explicitly asked for nettle or gcrypt.
1690 # If gnutls isn't available for crypto, then we'll prefer
1691 # gcrypt over nettle for performance reasons.
1695 crypto_sm4 = not_found
1698 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1699 error('Only one of gcrypt & nettle can be enabled')
1702 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1703 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1704 gnutls_crypto = not_found
1707 if not gnutls_crypto.found()
1708 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1709 gcrypt = dependency('libgcrypt', version: '>=1.8',
1710 method: 'config-tool',
1711 required: get_option('gcrypt'))
1712 # Debian has removed -lgpg-error from libgcrypt-config
1713 # as it "spreads unnecessary dependencies" which in
1714 # turn breaks static builds...
1715 if gcrypt.found() and get_option('prefer_static')
1716 gcrypt = declare_dependency(dependencies:
1718 cc.find_library('gpg-error', required: true)],
1719 version: gcrypt.version())
1722 # SM4 ALG is available in libgcrypt >= 1.9
1723 if gcrypt.found() and not cc.links('''
1726 gcry_cipher_hd_t handler;
1727 gcry_cipher_open(&handler, GCRY_CIPHER_SM4, GCRY_CIPHER_MODE_ECB, 0);
1729 }''', dependencies: gcrypt)
1730 crypto_sm4 = not_found
1733 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1734 nettle = dependency('nettle', version: '>=3.4',
1735 method: 'pkg-config',
1736 required: get_option('nettle'))
1737 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1741 # SM4 ALG is available in nettle >= 3.9
1742 if nettle.found() and not cc.links('''
1743 #include <nettle/sm4.h>
1746 unsigned char key[16] = {0};
1747 sm4_set_encrypt_key(&ctx, key);
1749 }''', dependencies: nettle)
1750 crypto_sm4 = not_found
1755 capstone = not_found
1756 if not get_option('capstone').auto() or have_system or have_user
1757 capstone = dependency('capstone', version: '>=3.0.5',
1758 method: 'pkg-config',
1759 required: get_option('capstone'))
1761 # Some versions of capstone have broken pkg-config file
1762 # that reports a wrong -I path, causing the #include to
1763 # fail later. If the system has such a broken version
1765 if capstone.found() and not cc.compiles('#include <capstone.h>',
1766 dependencies: [capstone])
1767 capstone = not_found
1768 if get_option('capstone').enabled()
1769 error('capstone requested, but it does not appear to work')
1774 gmp = dependency('gmp', required: false, method: 'pkg-config')
1775 if nettle.found() and gmp.found()
1776 hogweed = dependency('hogweed', version: '>=3.4',
1777 method: 'pkg-config',
1778 required: get_option('nettle'))
1785 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1787 if get_option('gtk') \
1788 .disable_auto_if(not have_system) \
1789 .require(pixman.found(),
1790 error_message: 'cannot enable GTK if pixman is not available') \
1792 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1793 method: 'pkg-config',
1794 required: get_option('gtk'))
1796 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1797 method: 'pkg-config',
1799 gtk = declare_dependency(dependencies: [gtk, gtkx11],
1800 version: gtk.version())
1802 if not get_option('vte').auto() or have_system
1803 vte = dependency('vte-2.91',
1804 method: 'pkg-config',
1805 required: get_option('vte'))
1807 elif have_gtk_clipboard
1808 error('GTK clipboard requested, but GTK not found')
1814 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found())
1817 if get_option('png').allowed() and have_system
1818 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1819 method: 'pkg-config')
1824 if get_option('vnc') \
1825 .disable_auto_if(not have_system) \
1826 .require(pixman.found(),
1827 error_message: 'cannot enable VNC if pixman is not available') \
1829 vnc = declare_dependency() # dummy dependency
1830 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1831 method: 'pkg-config')
1832 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1833 required: get_option('vnc_sasl'))
1835 sasl = declare_dependency(dependencies: sasl,
1836 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1841 if not get_option('auth_pam').auto() or have_system
1842 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1843 required: get_option('auth_pam'))
1845 if pam.found() and not cc.links('''
1847 #include <security/pam_appl.h>
1849 const char *service_name = "qemu";
1850 const char *user = "frank";
1851 const struct pam_conv pam_conv = { 0 };
1852 pam_handle_t *pamh = NULL;
1853 pam_start(service_name, user, &pam_conv, &pamh);
1855 }''', dependencies: pam)
1857 if get_option('auth_pam').enabled()
1858 error('could not link libpam')
1860 warning('could not link libpam, disabling')
1865 if not get_option('snappy').auto() or have_system
1866 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1867 required: get_option('snappy'))
1869 if snappy.found() and not cc.links('''
1870 #include <snappy-c.h>
1871 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1873 if get_option('snappy').enabled()
1874 error('could not link libsnappy')
1876 warning('could not link libsnappy, disabling')
1881 if not get_option('lzo').auto() or have_system
1882 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1883 required: get_option('lzo'))
1885 if lzo.found() and not cc.links('''
1886 #include <lzo/lzo1x.h>
1887 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1889 if get_option('lzo').enabled()
1890 error('could not link liblzo2')
1892 warning('could not link liblzo2, disabling')
1897 if not get_option('numa').auto() or have_system or have_tools
1898 numa = cc.find_library('numa', has_headers: ['numa.h'],
1899 required: get_option('numa'))
1901 if numa.found() and not cc.links('''
1903 int main(void) { return numa_available(); }
1904 ''', dependencies: numa)
1906 if get_option('numa').enabled()
1907 error('could not link numa')
1909 warning('could not link numa, disabling')
1914 fdt_opt = get_option('fdt')
1915 if fdt_opt == 'enabled' and get_option('wrap_mode') == 'nodownload'
1918 if fdt_opt in ['enabled', 'system'] or (fdt_opt == 'auto' and have_system)
1919 fdt = cc.find_library('fdt', required: fdt_opt == 'system')
1920 if fdt.found() and cc.links('''
1922 #include <libfdt_env.h>
1923 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
1926 elif fdt_opt != 'system'
1927 fdt_opt = get_option('wrap_mode') == 'nodownload' ? 'disabled' : 'internal'
1930 error('system libfdt is too old (1.5.1 or newer required)')
1933 if fdt_opt == 'internal'
1934 assert(not fdt.found())
1935 libfdt_proj = subproject('dtc', required: true,
1936 default_options: ['tools=false', 'yaml=disabled',
1937 'python=disabled', 'default_library=static'])
1938 fdt = libfdt_proj.get_variable('libfdt_dep')
1942 if not get_option('rdma').auto() or have_system
1943 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1944 required: get_option('rdma')),
1945 cc.find_library('ibverbs', required: get_option('rdma'))]
1946 rdma = declare_dependency(dependencies: rdma_libs)
1947 foreach lib: rdma_libs
1955 if not get_option('smartcard').auto() or have_system
1956 cacard = dependency('libcacard', required: get_option('smartcard'),
1957 version: '>=2.5.1', method: 'pkg-config')
1960 if not get_option('u2f').auto() or have_system
1961 u2f = dependency('u2f-emu', required: get_option('u2f'),
1962 method: 'pkg-config')
1965 if not get_option('canokey').auto() or have_system
1966 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1967 method: 'pkg-config')
1969 usbredir = not_found
1970 if not get_option('usb_redir').auto() or have_system
1971 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1972 version: '>=0.6', method: 'pkg-config')
1975 if not get_option('libusb').auto() or have_system
1976 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1977 version: '>=1.0.13', method: 'pkg-config')
1981 if not get_option('libpmem').auto() or have_system
1982 libpmem = dependency('libpmem', required: get_option('libpmem'),
1983 method: 'pkg-config')
1985 libdaxctl = not_found
1986 if not get_option('libdaxctl').auto() or have_system
1987 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1988 version: '>=57', method: 'pkg-config')
1992 tasn1 = dependency('libtasn1',
1993 method: 'pkg-config')
1995 keyutils = not_found
1996 if not get_option('libkeyutils').auto() or have_block
1997 keyutils = dependency('libkeyutils', required: get_option('libkeyutils'),
1998 method: 'pkg-config')
2001 has_gettid = cc.has_function('gettid')
2004 selinux = dependency('libselinux',
2005 required: get_option('selinux'),
2006 method: 'pkg-config')
2011 if get_option('malloc') == 'system'
2013 get_option('malloc_trim').allowed() and \
2014 cc.has_function('malloc_trim', prefix: '#include <malloc.h>')
2016 has_malloc_trim = false
2017 malloc = cc.find_library(get_option('malloc'), required: true)
2019 if not has_malloc_trim and get_option('malloc_trim').enabled()
2020 if get_option('malloc') == 'system'
2021 error('malloc_trim not available on this platform.')
2023 error('malloc_trim not available with non-libc memory allocator')
2027 gnu_source_prefix = '''
2033 # Check whether the glibc provides STATX_BASIC_STATS
2035 has_statx = cc.has_header_symbol('sys/stat.h', 'STATX_BASIC_STATS', prefix: gnu_source_prefix)
2037 # Check whether statx() provides mount ID information
2039 has_statx_mnt_id = cc.has_header_symbol('sys/stat.h', 'STATX_MNT_ID', prefix: gnu_source_prefix)
2041 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
2042 .require(host_os == 'linux',
2043 error_message: 'vhost_user_blk_server requires linux') \
2044 .require(have_vhost_user,
2045 error_message: 'vhost_user_blk_server requires vhost-user support') \
2046 .disable_auto_if(not have_tools and not have_system) \
2049 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
2050 error('Cannot enable fuse-lseek while fuse is disabled')
2053 fuse = dependency('fuse3', required: get_option('fuse'),
2054 version: '>=3.1', method: 'pkg-config')
2056 fuse_lseek = not_found
2057 if get_option('fuse_lseek').allowed()
2058 if fuse.version().version_compare('>=3.8')
2060 fuse_lseek = declare_dependency()
2061 elif get_option('fuse_lseek').enabled()
2063 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
2065 error('fuse-lseek requires libfuse, which was not found')
2070 have_libvduse = (host_os == 'linux')
2071 if get_option('libvduse').enabled()
2072 if host_os != 'linux'
2073 error('libvduse requires linux')
2075 elif get_option('libvduse').disabled()
2076 have_libvduse = false
2079 have_vduse_blk_export = (have_libvduse and host_os == 'linux')
2080 if get_option('vduse_blk_export').enabled()
2081 if host_os != 'linux'
2082 error('vduse_blk_export requires linux')
2083 elif not have_libvduse
2084 error('vduse_blk_export requires libvduse support')
2086 elif get_option('vduse_blk_export').disabled()
2087 have_vduse_blk_export = false
2091 bpf_version = '1.1.0'
2092 libbpf = dependency('libbpf', version: '>=' + bpf_version, required: get_option('bpf'), method: 'pkg-config')
2093 if libbpf.found() and not cc.links('''
2094 #include <bpf/libbpf.h>
2095 #include <linux/bpf.h>
2098 // check flag availability
2099 int flag = BPF_F_MMAPABLE;
2100 bpf_object__destroy_skeleton(NULL);
2102 }''', dependencies: libbpf)
2104 if get_option('bpf').enabled()
2105 error('libbpf skeleton/mmaping test failed')
2107 warning('libbpf skeleton/mmaping test failed, disabling')
2113 if not get_option('af_xdp').auto() or have_system
2114 libxdp = dependency('libxdp', required: get_option('af_xdp'),
2115 version: '>=1.4.0', method: 'pkg-config')
2120 if not get_option('libdw').auto() or \
2121 (not get_option('prefer_static') and (have_system or have_user))
2122 libdw = dependency('libdw',
2123 method: 'pkg-config',
2124 required: get_option('libdw'))
2131 config_host_data = configuration_data()
2133 audio_drivers_selected = []
2135 audio_drivers_available = {
2136 'alsa': alsa.found(),
2137 'coreaudio': coreaudio.found(),
2138 'dsound': dsound.found(),
2139 'jack': jack.found(),
2141 'pa': pulse.found(),
2142 'pipewire': pipewire.found(),
2144 'sndio': sndio.found(),
2146 foreach k, v: audio_drivers_available
2147 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
2150 # Default to native drivers first, OSS second, SDL third
2151 audio_drivers_priority = \
2152 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
2153 (host_os == 'linux' ? [] : [ 'sdl' ])
2154 audio_drivers_default = []
2155 foreach k: audio_drivers_priority
2156 if audio_drivers_available[k]
2157 audio_drivers_default += k
2161 foreach k: get_option('audio_drv_list')
2163 audio_drivers_selected += audio_drivers_default
2164 elif not audio_drivers_available[k]
2165 error('Audio driver "@0@" not available.'.format(k))
2167 audio_drivers_selected += k
2171 config_host_data.set('CONFIG_AUDIO_DRIVERS',
2172 '"' + '", "'.join(audio_drivers_selected) + '", ')
2174 have_host_block_device = (host_os != 'darwin' or
2175 cc.has_header('IOKit/storage/IOMedia.h'))
2177 dbus_display = get_option('dbus_display') \
2178 .require(gio.version().version_compare('>=2.64'),
2179 error_message: '-display dbus requires glib>=2.64') \
2180 .require(gdbus_codegen.found(),
2181 error_message: gdbus_codegen_error.format('-display dbus')) \
2184 have_virtfs = get_option('virtfs') \
2185 .require(host_os == 'linux' or host_os == 'darwin',
2186 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
2187 .require(host_os == 'linux' or cc.has_function('pthread_fchdir_np'),
2188 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
2189 .require(host_os == 'darwin' or libattr.found(),
2190 error_message: 'virtio-9p (virtfs) on Linux requires libattr-devel') \
2191 .disable_auto_if(not have_tools and not have_system) \
2194 have_virtfs_proxy_helper = get_option('virtfs_proxy_helper') \
2195 .require(host_os != 'darwin', error_message: 'the virtfs proxy helper is incompatible with macOS') \
2196 .require(have_virtfs, error_message: 'the virtfs proxy helper requires that virtfs is enabled') \
2197 .disable_auto_if(not have_tools) \
2198 .require(libcap_ng.found(), error_message: 'the virtfs proxy helper requires libcap-ng') \
2201 if get_option('block_drv_ro_whitelist') == ''
2202 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
2204 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
2205 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
2207 if get_option('block_drv_rw_whitelist') == ''
2208 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
2210 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
2211 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
2214 foreach k : get_option('trace_backends')
2215 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
2217 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
2218 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
2220 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
2222 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
2223 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
2224 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
2225 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
2226 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
2228 qemu_firmwarepath = ''
2229 foreach k : get_option('qemu_firmwarepath')
2230 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
2232 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
2234 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
2235 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
2236 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
2237 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
2238 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
2239 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
2242 config_host_data.set('CONFIG_STAMP', run_command(
2243 meson.current_source_dir() / 'scripts/qemu-stamp.py',
2244 meson.project_version(), get_option('pkgversion'), '--',
2245 meson.current_source_dir() / 'configure',
2246 capture: true, check: true).stdout().strip())
2249 have_slirp_smbd = get_option('slirp_smbd') \
2250 .require(host_os != 'windows', error_message: 'Host smbd not supported on this platform.') \
2253 smbd_path = get_option('smbd')
2255 smbd_path = (host_os == 'sunos' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
2257 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
2260 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
2262 kvm_targets_c = '""'
2263 if get_option('kvm').allowed() and host_os == 'linux'
2264 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
2266 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
2268 if get_option('module_upgrades') and not enable_modules
2269 error('Cannot enable module-upgrades as modules are not enabled')
2271 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
2273 config_host_data.set('CONFIG_ATTR', libattr.found())
2274 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
2275 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
2276 config_host_data.set('CONFIG_BSD', host_os in bsd_oses)
2277 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2278 config_host_data.set('CONFIG_COCOA', cocoa.found())
2279 config_host_data.set('CONFIG_DARWIN', host_os == 'darwin')
2280 config_host_data.set('CONFIG_FDT', fdt.found())
2281 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
2282 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
2283 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
2284 config_host_data.set('CONFIG_LINUX', host_os == 'linux')
2285 config_host_data.set('CONFIG_POSIX', host_os != 'windows')
2286 config_host_data.set('CONFIG_WIN32', host_os == 'windows')
2287 config_host_data.set('CONFIG_LZO', lzo.found())
2288 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
2289 config_host_data.set('CONFIG_BLKIO', blkio.found())
2291 config_host_data.set('CONFIG_BLKIO_VHOST_VDPA_FD',
2292 blkio.version().version_compare('>=1.3.0'))
2294 config_host_data.set('CONFIG_CURL', curl.found())
2295 config_host_data.set('CONFIG_CURSES', curses.found())
2296 config_host_data.set('CONFIG_GBM', gbm.found())
2297 config_host_data.set('CONFIG_GIO', gio.found())
2298 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
2299 if glusterfs.found()
2300 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
2301 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
2302 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
2303 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
2304 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
2305 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
2307 config_host_data.set('CONFIG_GTK', gtk.found())
2308 config_host_data.set('CONFIG_VTE', vte.found())
2309 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
2310 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', get_option('hexagon_idef_parser'))
2311 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
2312 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
2313 config_host_data.set('CONFIG_EBPF', libbpf.found())
2314 config_host_data.set('CONFIG_AF_XDP', libxdp.found())
2315 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
2316 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
2317 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
2318 config_host_data.set('CONFIG_LIBSSH', libssh.found())
2319 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
2320 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
2321 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
2322 config_host_data.set('CONFIG_MODULES', enable_modules)
2323 config_host_data.set('CONFIG_NUMA', numa.found())
2325 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
2326 cc.has_function('numa_has_preferred_many',
2327 dependencies: numa))
2329 config_host_data.set('CONFIG_OPENGL', opengl.found())
2330 config_host_data.set('CONFIG_PLUGIN', get_option('plugins'))
2331 config_host_data.set('CONFIG_RBD', rbd.found())
2332 config_host_data.set('CONFIG_RDMA', rdma.found())
2333 config_host_data.set('CONFIG_RELOCATABLE', get_option('relocatable'))
2334 config_host_data.set('CONFIG_SAFESTACK', get_option('safe_stack'))
2335 config_host_data.set('CONFIG_SDL', sdl.found())
2336 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
2337 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
2339 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
2341 config_host_data.set('CONFIG_PIXMAN', pixman.found())
2342 config_host_data.set('CONFIG_SLIRP', slirp.found())
2343 config_host_data.set('CONFIG_SNAPPY', snappy.found())
2344 config_host_data.set('CONFIG_SOLARIS', host_os == 'sunos')
2345 if get_option('tcg').allowed()
2346 config_host_data.set('CONFIG_TCG', 1)
2347 config_host_data.set('CONFIG_TCG_INTERPRETER', tcg_arch == 'tci')
2349 config_host_data.set('CONFIG_TPM', have_tpm)
2350 config_host_data.set('CONFIG_TSAN', get_option('tsan'))
2351 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
2352 config_host_data.set('CONFIG_VDE', vde.found())
2353 config_host_data.set('CONFIG_VHOST', have_vhost)
2354 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
2355 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
2356 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
2357 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
2358 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
2359 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
2360 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
2361 config_host_data.set('CONFIG_VMNET', vmnet.found())
2362 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
2363 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
2364 config_host_data.set('CONFIG_PNG', png.found())
2365 config_host_data.set('CONFIG_VNC', vnc.found())
2366 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
2367 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
2369 config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT',
2370 cc.has_member('struct virgl_renderer_resource_info_ext', 'd3d_tex2d',
2371 prefix: '#include <virglrenderer.h>',
2372 dependencies: virgl))
2374 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
2375 config_host_data.set('CONFIG_VTE', vte.found())
2376 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
2377 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
2378 config_host_data.set('CONFIG_GETTID', has_gettid)
2379 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
2380 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
2381 config_host_data.set('CONFIG_TASN1', tasn1.found())
2382 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
2383 config_host_data.set('CONFIG_NETTLE', nettle.found())
2384 config_host_data.set('CONFIG_CRYPTO_SM4', crypto_sm4.found())
2385 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
2386 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
2387 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
2388 config_host_data.set('CONFIG_STATX', has_statx)
2389 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
2390 config_host_data.set('CONFIG_ZSTD', zstd.found())
2391 config_host_data.set('CONFIG_QPL', qpl.found())
2392 config_host_data.set('CONFIG_UADK', uadk.found())
2393 config_host_data.set('CONFIG_FUSE', fuse.found())
2394 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
2395 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
2396 if spice_protocol.found()
2397 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
2398 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
2399 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
2401 config_host_data.set('CONFIG_SPICE', spice.found())
2402 config_host_data.set('CONFIG_X11', x11.found())
2403 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
2404 config_host_data.set('CONFIG_CFI', get_option('cfi'))
2405 config_host_data.set('CONFIG_SELINUX', selinux.found())
2406 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
2407 config_host_data.set('CONFIG_LIBDW', libdw.found())
2409 # protect from xen.version() having less than three components
2410 xen_version = xen.version().split('.') + ['0', '0']
2411 xen_ctrl_version = xen_version[0] + \
2412 ('0' + xen_version[1]).substring(-2) + \
2413 ('0' + xen_version[2]).substring(-2)
2414 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
2416 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
2417 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
2418 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
2419 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
2421 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
2422 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
2424 have_coroutine_pool = get_option('coroutine_pool')
2425 if get_option('debug_stack_usage') and have_coroutine_pool
2426 message('Disabling coroutine pool to measure stack usage')
2427 have_coroutine_pool = false
2429 config_host_data.set('CONFIG_COROUTINE_POOL', have_coroutine_pool)
2430 config_host_data.set('CONFIG_DEBUG_GRAPH_LOCK', get_option('debug_graph_lock'))
2431 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
2432 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
2433 config_host_data.set('CONFIG_DEBUG_TCG', get_option('debug_tcg'))
2434 config_host_data.set('CONFIG_DEBUG_REMAP', get_option('debug_remap'))
2435 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
2436 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
2439 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
2440 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
2441 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
2442 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
2443 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
2444 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
2445 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
2446 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
2447 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
2448 if host_os == 'windows'
2449 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
2453 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
2454 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
2455 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
2456 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
2457 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
2458 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
2459 config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
2460 config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
2461 # Note that we need to specify prefix: here to avoid incorrectly
2462 # thinking that Windows has posix_memalign()
2463 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
2464 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
2465 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
2466 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
2467 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
2468 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
2469 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
2470 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
2471 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
2472 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
2473 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2474 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2475 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2476 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2477 config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
2478 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2479 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2480 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2482 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2483 cc.has_function('rbd_namespace_exists',
2485 prefix: '#include <rbd/librbd.h>'))
2488 config_host_data.set('HAVE_IBV_ADVISE_MR',
2489 cc.has_function('ibv_advise_mr',
2491 prefix: '#include <infiniband/verbs.h>'))
2494 have_asan_fiber = false
2495 if get_option('sanitizers') and \
2496 not cc.has_function('__sanitizer_start_switch_fiber',
2497 args: '-fsanitize=address',
2498 prefix: '#include <sanitizer/asan_interface.h>')
2499 warning('Missing ASAN due to missing fiber annotation interface')
2500 warning('Without code annotation, the report may be inferior.')
2502 have_asan_fiber = true
2504 config_host_data.set('CONFIG_ASAN_IFACE_FIBER', have_asan_fiber)
2506 have_inotify_init = cc.has_header_symbol('sys/inotify.h', 'inotify_init')
2507 have_inotify_init1 = cc.has_header_symbol('sys/inotify.h', 'inotify_init1')
2509 if (have_inotify_init or have_inotify_init1) and host_os == 'freebsd'
2511 inotify = cc.find_library('inotify')
2512 if have_inotify_init
2513 have_inotify_init = inotify.found()
2515 if have_inotify_init1
2516 have_inotify_init1 = inotify.found()
2519 config_host_data.set('CONFIG_INOTIFY', have_inotify_init)
2520 config_host_data.set('CONFIG_INOTIFY1', have_inotify_init1)
2523 config_host_data.set('CONFIG_BLKZONED',
2524 cc.has_header_symbol('linux/blkzoned.h', 'BLKOPENZONE'))
2525 config_host_data.set('CONFIG_EPOLL_CREATE1',
2526 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2527 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2528 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2529 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2530 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2531 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2532 config_host_data.set('CONFIG_FIEMAP',
2533 cc.has_header('linux/fiemap.h') and
2534 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2535 config_host_data.set('CONFIG_GETRANDOM',
2536 cc.has_function('getrandom') and
2537 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2538 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2539 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2540 config_host_data.set('CONFIG_RTNETLINK',
2541 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2542 config_host_data.set('CONFIG_SYSMACROS',
2543 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2544 config_host_data.set('HAVE_OPTRESET',
2545 cc.has_header_symbol('getopt.h', 'optreset'))
2546 config_host_data.set('HAVE_IPPROTO_MPTCP',
2547 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2550 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2551 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2552 prefix: '#include <signal.h>'))
2553 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2554 cc.has_member('struct stat', 'st_atim',
2555 prefix: '#include <sys/stat.h>'))
2556 config_host_data.set('HAVE_BLK_ZONE_REP_CAPACITY',
2557 cc.has_member('struct blk_zone', 'capacity',
2558 prefix: '#include <linux/blkzoned.h>'))
2561 config_host_data.set('CONFIG_IOVEC',
2562 cc.has_type('struct iovec',
2563 prefix: '#include <sys/uio.h>'))
2564 config_host_data.set('HAVE_UTMPX',
2565 cc.has_type('struct utmpx',
2566 prefix: '#include <utmpx.h>'))
2568 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2569 #include <sys/eventfd.h>
2570 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2571 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2574 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2575 return fdatasync(0);
2577 #error Not supported
2581 has_madvise = cc.links(gnu_source_prefix + '''
2582 #include <sys/types.h>
2583 #include <sys/mman.h>
2585 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2586 missing_madvise_proto = false
2588 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2589 # but forget to prototype it. In this case, has_madvise will be true (the
2590 # test program links despite a compile warning). To detect the
2591 # missing-prototype case, we try again with a definitely-bogus prototype.
2592 # This will only compile if the system headers don't provide the prototype;
2593 # otherwise the conflicting prototypes will cause a compiler error.
2594 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2595 #include <sys/types.h>
2596 #include <sys/mman.h>
2598 extern int madvise(int);
2599 int main(void) { return madvise(0); }''')
2601 config_host_data.set('CONFIG_MADVISE', has_madvise)
2602 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2604 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2605 #include <sys/mman.h>
2606 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2607 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2609 #if !defined(AT_EMPTY_PATH)
2610 # error missing definition
2612 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2615 # On Darwin posix_madvise() has the same return semantics as plain madvise(),
2616 # i.e. errno is set and -1 is returned. That's not really how POSIX defines the
2617 # function. On the flip side, it has madvise() which is preferred anyways.
2618 if host_os != 'darwin'
2619 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2620 #include <sys/mman.h>
2622 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2625 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2626 #include <pthread.h>
2628 static void *f(void *p) { return NULL; }
2632 pthread_create(&thread, 0, f, 0);
2633 pthread_setname_np(thread, "QEMU");
2635 }''', dependencies: threads))
2636 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2637 #include <pthread.h>
2639 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2643 pthread_create(&thread, 0, f, 0);
2645 }''', dependencies: threads))
2646 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2647 #include <pthread.h>
2648 #include <pthread_np.h>
2650 static void *f(void *p) { return NULL; }
2654 pthread_create(&thread, 0, f, 0);
2655 pthread_set_name_np(thread, "QEMU");
2657 }''', dependencies: threads))
2658 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2659 #include <pthread.h>
2664 pthread_condattr_t attr
2665 pthread_condattr_init(&attr);
2666 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2668 }''', dependencies: threads))
2669 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2670 #include <pthread.h>
2672 static void *f(void *p) { return NULL; }
2675 int setsize = CPU_ALLOC_SIZE(64);
2678 pthread_create(&thread, 0, f, 0);
2679 cpuset = CPU_ALLOC(64);
2680 CPU_ZERO_S(setsize, cpuset);
2681 pthread_setaffinity_np(thread, setsize, cpuset);
2682 pthread_getaffinity_np(thread, setsize, cpuset);
2685 }''', dependencies: threads))
2686 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2687 #include <sys/signalfd.h>
2689 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2690 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2698 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2699 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2703 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2704 #include <sys/mman.h>
2706 return mlockall(MCL_FUTURE);
2710 if get_option('l2tpv3').allowed() and have_system
2711 have_l2tpv3 = cc.has_type('struct mmsghdr',
2712 prefix: gnu_source_prefix + '''
2713 #include <sys/socket.h>
2714 #include <linux/ip.h>''')
2716 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2719 if get_option('netmap').allowed() and have_system
2720 have_netmap = cc.compiles('''
2721 #include <inttypes.h>
2723 #include <net/netmap.h>
2724 #include <net/netmap_user.h>
2725 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2728 int main(void) { return 0; }''')
2729 if not have_netmap and get_option('netmap').enabled()
2730 error('Netmap headers not available')
2733 config_host_data.set('CONFIG_NETMAP', have_netmap)
2735 # Work around a system header bug with some kernel/XFS header
2736 # versions where they both try to define 'struct fsxattr':
2737 # xfs headers will not try to redefine structs from linux headers
2738 # if this macro is set.
2739 config_host_data.set('HAVE_FSXATTR', cc.links('''
2740 #include <linux/fs.h>
2746 # Some versions of Mac OS X incorrectly define SIZE_MAX
2747 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2751 return printf("%zu", SIZE_MAX);
2752 }''', args: ['-Werror']))
2754 # See if 64-bit atomic operations are supported.
2755 # Note that without __atomic builtins, we can only
2756 # assume atomic loads/stores max at pointer size.
2757 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
2761 uint64_t x = 0, y = 0;
2762 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2763 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2764 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2765 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2766 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2770 has_int128_type = cc.compiles('''
2773 int main(void) { b = a; }''')
2774 config_host_data.set('CONFIG_INT128_TYPE', has_int128_type)
2776 has_int128 = has_int128_type and cc.links('''
2785 config_host_data.set('CONFIG_INT128', has_int128)
2788 # "do we have 128-bit atomics which are handled inline and specifically not
2789 # via libatomic". The reason we can't use libatomic is documented in the
2790 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2791 # We only care about these operations on 16-byte aligned pointers, so
2792 # force 16-byte alignment of the pointer, which may be greater than
2793 # __alignof(unsigned __int128) for the host.
2794 atomic_test_128 = '''
2795 int main(int ac, char **av) {
2796 __uint128_t *p = __builtin_assume_aligned(av[ac - 1], 16);
2797 p[1] = __atomic_load_n(&p[0], __ATOMIC_RELAXED);
2798 __atomic_store_n(&p[2], p[3], __ATOMIC_RELAXED);
2799 __atomic_compare_exchange_n(&p[4], &p[5], p[6], 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2802 has_atomic128 = cc.links(atomic_test_128)
2804 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2806 if not has_atomic128
2807 # Even with __builtin_assume_aligned, the above test may have failed
2808 # without optimization enabled. Try again with optimizations locally
2809 # enabled for the function. See
2810 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107389
2811 has_atomic128_opt = cc.links('__attribute__((optimize("O1")))' + atomic_test_128)
2812 config_host_data.set('CONFIG_ATOMIC128_OPT', has_atomic128_opt)
2814 if not has_atomic128_opt
2815 config_host_data.set('CONFIG_CMPXCHG128', cc.links('''
2818 __uint128_t x = 0, y = 0;
2819 __sync_val_compare_and_swap_16(&x, y, x);
2827 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2828 #include <sys/auxv.h>
2830 return getauxval(AT_HWCAP) == 0;
2833 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2834 #include <linux/usbdevice_fs.h>
2836 #ifndef USBDEVFS_GET_CAPABILITIES
2837 #error "USBDEVFS_GET_CAPABILITIES undefined"
2840 #ifndef USBDEVFS_DISCONNECT_CLAIM
2841 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2844 int main(void) { return 0; }'''))
2846 have_keyring = get_option('keyring') \
2847 .require(host_os == 'linux', error_message: 'keyring is only available on Linux') \
2848 .require(cc.compiles('''
2850 #include <asm/unistd.h>
2851 #include <linux/keyctl.h>
2852 #include <sys/syscall.h>
2855 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2856 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2857 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2859 have_cpuid_h = cc.links('''
2862 unsigned a, b, c, d;
2863 unsigned max = __get_cpuid_max(0, 0);
2866 __cpuid(1, a, b, c, d);
2870 __cpuid_count(7, 0, a, b, c, d);
2875 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2877 # Don't bother to advertise asm/hwprobe.h for old versions that do
2878 # not contain RISCV_HWPROBE_EXT_ZBA.
2879 config_host_data.set('CONFIG_ASM_HWPROBE_H',
2880 cc.has_header_symbol('asm/hwprobe.h',
2881 'RISCV_HWPROBE_EXT_ZBA'))
2883 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2884 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2885 .require(cc.links('''
2887 #include <immintrin.h>
2888 static int __attribute__((target("avx2"))) bar(void *a) {
2889 __m256i x = *(__m256i *)a;
2890 return _mm256_testz_si256(x, x);
2892 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2893 '''), error_message: 'AVX2 not available').allowed())
2895 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2896 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2897 .require(cc.links('''
2899 #include <immintrin.h>
2900 static int __attribute__((target("avx512bw"))) bar(void *a) {
2902 __m512i res= _mm512_abs_epi8(*x);
2905 int main(int argc, char *argv[]) { return bar(argv[0]); }
2906 '''), error_message: 'AVX512BW not available').allowed())
2908 # For both AArch64 and AArch32, detect if builtins are available.
2909 config_host_data.set('CONFIG_ARM_AES_BUILTIN', cc.compiles('''
2910 #include <arm_neon.h>
2911 #ifndef __ARM_FEATURE_AES
2912 __attribute__((target("+crypto")))
2914 void foo(uint8x16_t *p) { *p = vaesmcq_u8(*p); }
2917 if get_option('membarrier').disabled()
2918 have_membarrier = false
2919 elif host_os == 'windows'
2920 have_membarrier = true
2921 elif host_os == 'linux'
2922 have_membarrier = cc.compiles('''
2923 #include <linux/membarrier.h>
2924 #include <sys/syscall.h>
2928 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2929 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2933 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2934 .require(have_membarrier, error_message: 'membarrier system call not available') \
2937 have_afalg = get_option('crypto_afalg') \
2938 .require(cc.compiles(gnu_source_prefix + '''
2940 #include <sys/types.h>
2941 #include <sys/socket.h>
2942 #include <linux/if_alg.h>
2945 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2948 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2949 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2951 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2952 'linux/vm_sockets.h', 'AF_VSOCK',
2953 prefix: '#include <sys/socket.h>',
2957 have_vss_sdk = false # old xp/2003 SDK
2958 if host_os == 'windows' and 'cpp' in all_languages
2959 have_vss = cxx.compiles('''
2960 #define __MIDL_user_allocate_free_DEFINED__
2962 int main(void) { return VSS_CTX_BACKUP; }''')
2963 have_vss_sdk = cxx.has_header('vscoordint.h')
2965 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2967 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2968 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2969 if host_os == 'windows'
2970 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2976 }''', name: '_lock_file and _unlock_file'))
2979 if host_os == 'windows'
2980 mingw_has_setjmp_longjmp = cc.links('''
2984 * These functions are not available in setjmp header, but may be
2985 * available at link time, from libmingwex.a.
2987 extern int __mingw_setjmp(jmp_buf);
2988 extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2990 __mingw_setjmp(env);
2991 __mingw_longjmp(env, 0);
2993 ''', name: 'mingw setjmp and longjmp')
2995 if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2996 error('mingw must provide setjmp/longjmp for windows-arm64')
3000 ########################
3001 # Target configuration #
3002 ########################
3004 minikconf = find_program('scripts/minikconf.py')
3006 config_all_accel = {}
3007 config_all_devices = {}
3008 config_devices_mak_list = []
3009 config_devices_h = {}
3010 config_target_h = {}
3011 config_target_mak = {}
3014 'alpha' : ['CONFIG_ALPHA_DIS'],
3015 'avr' : ['CONFIG_AVR_DIS'],
3016 'cris' : ['CONFIG_CRIS_DIS'],
3017 'hexagon' : ['CONFIG_HEXAGON_DIS'],
3018 'hppa' : ['CONFIG_HPPA_DIS'],
3019 'i386' : ['CONFIG_I386_DIS'],
3020 'x86_64' : ['CONFIG_I386_DIS'],
3021 'm68k' : ['CONFIG_M68K_DIS'],
3022 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
3023 'mips' : ['CONFIG_MIPS_DIS'],
3024 'or1k' : ['CONFIG_OPENRISC_DIS'],
3025 'ppc' : ['CONFIG_PPC_DIS'],
3026 'riscv' : ['CONFIG_RISCV_DIS'],
3027 'rx' : ['CONFIG_RX_DIS'],
3028 's390' : ['CONFIG_S390_DIS'],
3029 'sh4' : ['CONFIG_SH4_DIS'],
3030 'sparc' : ['CONFIG_SPARC_DIS'],
3031 'xtensa' : ['CONFIG_XTENSA_DIS'],
3032 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
3035 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
3037 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
3038 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
3039 (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
3040 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
3041 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
3042 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
3043 (x11.found() ? ['CONFIG_X11=y'] : []) + \
3044 (fdt.found() ? ['CONFIG_FDT=y'] : []) + \
3045 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
3046 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
3047 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
3048 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
3049 (host_os == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
3050 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
3051 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
3052 (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
3054 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
3056 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
3057 actual_target_dirs = []
3059 foreach target : target_dirs
3060 config_target = { 'TARGET_NAME': target.split('-')[0] }
3061 if target.endswith('linux-user')
3062 if host_os != 'linux'
3066 error('Target @0@ is only available on a Linux host'.format(target))
3068 config_target += { 'CONFIG_LINUX_USER': 'y' }
3069 elif target.endswith('bsd-user')
3070 if host_os not in bsd_oses
3074 error('Target @0@ is only available on a BSD host'.format(target))
3076 config_target += { 'CONFIG_BSD_USER': 'y' }
3077 elif target.endswith('softmmu')
3078 config_target += { 'CONFIG_SYSTEM_ONLY': 'y' }
3079 config_target += { 'CONFIG_SOFTMMU': 'y' }
3081 if target.endswith('-user')
3083 'CONFIG_USER_ONLY': 'y',
3084 'CONFIG_QEMU_INTERP_PREFIX':
3085 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
3090 foreach sym: accelerators
3091 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
3092 config_target += { sym: 'y' }
3093 config_all_accel += { sym: 'y' }
3094 if target in modular_tcg
3095 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
3097 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
3099 target_kconfig += [ sym + '=y' ]
3102 if target_kconfig.length() == 0
3106 error('No accelerator available for target @0@'.format(target))
3109 config_target += keyval.load('configs/targets' / target + '.mak')
3110 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
3112 if 'TARGET_NEED_FDT' in config_target and not fdt.found()
3114 warning('Disabling ' + target + ' due to missing libfdt')
3116 fdt_required += target
3121 actual_target_dirs += target
3124 if 'TARGET_BASE_ARCH' not in config_target
3125 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
3127 if 'TARGET_ABI_DIR' not in config_target
3128 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
3130 if 'TARGET_BIG_ENDIAN' not in config_target
3131 config_target += {'TARGET_BIG_ENDIAN': 'n'}
3134 foreach k, v: disassemblers
3135 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
3137 config_target += { sym: 'y' }
3142 config_target_data = configuration_data()
3143 foreach k, v: config_target
3144 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
3146 elif ignored.contains(k)
3148 elif k == 'TARGET_BASE_ARCH'
3149 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
3150 # not used to select files from sourcesets.
3151 config_target_data.set('TARGET_' + v.to_upper(), 1)
3152 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
3153 config_target_data.set_quoted(k, v)
3155 config_target_data.set(k, 1)
3157 config_target_data.set(k, 0)
3159 config_target_data.set(k, v)
3162 config_target_data.set('QEMU_ARCH',
3163 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
3164 config_target_h += {target: configure_file(output: target + '-config-target.h',
3165 configuration: config_target_data)}
3167 if target.endswith('-softmmu')
3168 target_kconfig += 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'
3169 target_kconfig += 'CONFIG_TARGET_BIG_ENDIAN=' + config_target['TARGET_BIG_ENDIAN']
3171 config_input = meson.get_external_property(target, 'default')
3172 config_devices_mak = target + '-config-devices.mak'
3173 config_devices_mak = configure_file(
3174 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
3175 output: config_devices_mak,
3176 depfile: config_devices_mak + '.d',
3178 command: [minikconf,
3179 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
3180 config_devices_mak, '@DEPFILE@', '@INPUT@',
3181 host_kconfig, target_kconfig])
3183 config_devices_data = configuration_data()
3184 config_devices = keyval.load(config_devices_mak)
3185 foreach k, v: config_devices
3186 config_devices_data.set(k, 1)
3188 config_devices_mak_list += config_devices_mak
3189 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
3190 configuration: config_devices_data)}
3191 config_target += config_devices
3192 config_all_devices += config_devices
3194 config_target_mak += {target: config_target}
3196 target_dirs = actual_target_dirs
3198 target_configs_h = []
3199 foreach target: target_dirs
3200 target_configs_h += config_target_h[target]
3201 target_configs_h += config_devices_h.get(target, [])
3203 genh += custom_target('config-poison.h',
3204 input: [target_configs_h],
3205 output: 'config-poison.h',
3207 command: [find_program('scripts/make-config-poison.sh'),
3210 if fdt_required.length() > 0
3211 error('fdt disabled but required by targets ' + ', '.join(fdt_required))
3218 libvfio_user_dep = not_found
3219 if have_system and vfio_user_server_allowed
3220 libvfio_user_proj = subproject('libvfio-user', required: true)
3221 libvfio_user_dep = libvfio_user_proj.get_variable('libvfio_user_dep')
3224 vhost_user = not_found
3225 if host_os == 'linux' and have_vhost_user
3226 libvhost_user = subproject('libvhost-user')
3227 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3230 libvduse = not_found
3232 libvduse_proj = subproject('libvduse')
3233 libvduse = libvduse_proj.get_variable('libvduse_dep')
3236 #####################
3237 # Generated sources #
3238 #####################
3240 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
3242 hxtool = find_program('scripts/hxtool')
3243 shaderinclude = find_program('scripts/shaderinclude.py')
3244 qapi_gen = find_program('scripts/qapi-gen.py')
3245 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
3246 meson.current_source_dir() / 'scripts/qapi/commands.py',
3247 meson.current_source_dir() / 'scripts/qapi/common.py',
3248 meson.current_source_dir() / 'scripts/qapi/error.py',
3249 meson.current_source_dir() / 'scripts/qapi/events.py',
3250 meson.current_source_dir() / 'scripts/qapi/expr.py',
3251 meson.current_source_dir() / 'scripts/qapi/gen.py',
3252 meson.current_source_dir() / 'scripts/qapi/introspect.py',
3253 meson.current_source_dir() / 'scripts/qapi/main.py',
3254 meson.current_source_dir() / 'scripts/qapi/parser.py',
3255 meson.current_source_dir() / 'scripts/qapi/schema.py',
3256 meson.current_source_dir() / 'scripts/qapi/source.py',
3257 meson.current_source_dir() / 'scripts/qapi/types.py',
3258 meson.current_source_dir() / 'scripts/qapi/visit.py',
3259 meson.current_source_dir() / 'scripts/qapi-gen.py'
3263 python, files('scripts/tracetool.py'),
3264 '--backend=' + ','.join(get_option('trace_backends'))
3266 tracetool_depends = files(
3267 'scripts/tracetool/backend/log.py',
3268 'scripts/tracetool/backend/__init__.py',
3269 'scripts/tracetool/backend/dtrace.py',
3270 'scripts/tracetool/backend/ftrace.py',
3271 'scripts/tracetool/backend/simple.py',
3272 'scripts/tracetool/backend/syslog.py',
3273 'scripts/tracetool/backend/ust.py',
3274 'scripts/tracetool/format/ust_events_c.py',
3275 'scripts/tracetool/format/ust_events_h.py',
3276 'scripts/tracetool/format/__init__.py',
3277 'scripts/tracetool/format/d.py',
3278 'scripts/tracetool/format/simpletrace_stap.py',
3279 'scripts/tracetool/format/c.py',
3280 'scripts/tracetool/format/h.py',
3281 'scripts/tracetool/format/log_stap.py',
3282 'scripts/tracetool/format/stap.py',
3283 'scripts/tracetool/__init__.py',
3286 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
3287 meson.current_source_dir(),
3288 get_option('pkgversion'), meson.project_version()]
3289 qemu_version = custom_target('qemu-version.h',
3290 output: 'qemu-version.h',
3291 command: qemu_version_cmd,
3293 build_by_default: true,
3294 build_always_stale: true)
3295 genh += qemu_version
3299 ['qemu-options.hx', 'qemu-options.def'],
3300 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
3304 ['hmp-commands.hx', 'hmp-commands.h'],
3305 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
3308 foreach d : hx_headers
3309 hxdep += custom_target(d[1],
3313 command: [hxtool, '-h', '@INPUT0@'])
3321 # TODO: add each directory to the subdirs from its own meson.build, once
3323 trace_events_subdirs = [
3332 trace_events_subdirs += [ 'linux-user' ]
3335 trace_events_subdirs += [ 'bsd-user' ]
3338 trace_events_subdirs += [
3347 trace_events_subdirs += [
3410 if have_system or have_user
3411 trace_events_subdirs += [
3433 authz_ss = ss.source_set()
3434 blockdev_ss = ss.source_set()
3435 block_ss = ss.source_set()
3436 chardev_ss = ss.source_set()
3437 common_ss = ss.source_set()
3438 crypto_ss = ss.source_set()
3439 hwcore_ss = ss.source_set()
3440 io_ss = ss.source_set()
3441 qmp_ss = ss.source_set()
3442 qom_ss = ss.source_set()
3443 system_ss = ss.source_set()
3444 specific_fuzz_ss = ss.source_set()
3445 specific_ss = ss.source_set()
3446 stub_ss = ss.source_set()
3447 trace_ss = ss.source_set()
3448 user_ss = ss.source_set()
3449 util_ss = ss.source_set()
3452 qtest_module_ss = ss.source_set()
3453 tcg_module_ss = ss.source_set()
3459 target_system_arch = {}
3460 target_user_arch = {}
3462 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3463 # that is filled in by qapi/.
3481 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3482 modulecommon = declare_dependency(objects: libmodulecommon.extract_all_objects(recursive: false), compile_args: '-DBUILD_DSO')
3485 qom_ss = qom_ss.apply({})
3486 libqom = static_library('qom', qom_ss.sources() + genh,
3487 dependencies: [qom_ss.dependencies()],
3488 build_by_default: false)
3489 qom = declare_dependency(objects: libqom.extract_all_objects(recursive: false),
3490 dependencies: qom_ss.dependencies())
3492 event_loop_base = files('event-loop-base.c')
3493 event_loop_base = static_library('event-loop-base',
3494 sources: event_loop_base + genh,
3495 build_by_default: false)
3496 event_loop_base = declare_dependency(objects: event_loop_base.extract_all_objects(recursive: false),
3497 dependencies: [qom])
3499 stub_ss = stub_ss.apply({})
3501 util_ss.add_all(trace_ss)
3502 util_ss = util_ss.apply({})
3503 libqemuutil = static_library('qemuutil',
3504 build_by_default: false,
3505 sources: util_ss.sources() + stub_ss.sources() + genh,
3506 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc])
3507 qemuutil = declare_dependency(link_with: libqemuutil,
3508 sources: genh + version_res,
3509 dependencies: [event_loop_base])
3511 if have_system or have_user
3512 decodetree = generator(find_program('scripts/decodetree.py'),
3513 output: 'decode-@BASENAME@.c.inc',
3514 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3515 subdir('libdecnumber')
3532 if config_host_data.get('CONFIG_REPLICATION')
3533 block_ss.add(files('replication.c'))
3540 blockdev_ss.add(files(
3547 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3548 # os-win32.c does not
3549 if host_os == 'windows'
3550 system_ss.add(files('os-win32.c'))
3552 blockdev_ss.add(files('os-posix.c'))
3556 common_ss.add(files('cpu-common.c'))
3557 specific_ss.add(files('cpu-target.c'))
3561 # Work around a gcc bug/misfeature wherein constant propagation looks
3563 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3564 # to guess that a const variable is always zero. Without lto, this is
3565 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3566 # without lto, not even the alias is required -- we simply use different
3567 # declarations in different compilation units.
3568 pagevary = files('page-vary-common.c')
3569 if get_option('b_lto')
3570 pagevary_flags = ['-fno-lto']
3571 if get_option('cfi')
3572 pagevary_flags += '-fno-sanitize=cfi-icall'
3574 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3575 c_args: pagevary_flags)
3576 pagevary = declare_dependency(link_with: pagevary)
3578 common_ss.add(pagevary)
3579 specific_ss.add(files('page-target.c', 'page-vary-target.c'))
3587 subdir('semihosting')
3595 common_user_inc = []
3597 subdir('common-user')
3599 subdir('linux-user')
3601 # needed for fuzzing binaries
3602 subdir('tests/qtest/libqos')
3603 subdir('tests/qtest/fuzz')
3606 tcg_real_module_ss = ss.source_set()
3607 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3608 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3609 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3610 'tcg': tcg_real_module_ss }}
3612 ##############################################
3613 # Internal static_libraries and dependencies #
3614 ##############################################
3616 modinfo_collect = find_program('scripts/modinfo-collect.py')
3617 modinfo_generate = find_program('scripts/modinfo-generate.py')
3622 emulator_modules = []
3623 foreach d, list : modules
3624 if not (d == 'block' ? have_block : have_system)
3628 foreach m, module_ss : list
3630 module_ss.add(modulecommon)
3631 module_ss = module_ss.apply(config_all_devices, strict: false)
3632 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3633 dependencies: module_ss.dependencies(), pic: true)
3639 emulator_modules += shared_module(sl.name(),
3641 objects: sl.extract_all_objects(recursive: false),
3642 dependencies: module_ss.dependencies(),
3644 install_dir: qemu_moddir)
3645 if module_ss.sources() != []
3646 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3647 # input. Sources can be used multiple times but objects are
3648 # unique when it comes to lookup in compile_commands.json.
3649 # Depnds on a mesion version with
3650 # https://github.com/mesonbuild/meson/pull/8900
3651 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3652 output: d + '-' + m + '.modinfo',
3653 input: module_ss.sources() + genh,
3655 command: [modinfo_collect, module_ss.sources()])
3659 block_ss.add_all(module_ss)
3661 system_ss.add_all(module_ss)
3667 foreach d, list : target_modules
3668 foreach m, module_ss : list
3670 module_ss.add(modulecommon)
3671 foreach target : target_dirs
3672 if target.endswith('-softmmu')
3673 config_target = config_target_mak[target]
3674 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3675 c_args = ['-DCOMPILING_PER_TARGET',
3676 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3677 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3678 target_module_ss = module_ss.apply(config_target, strict: false)
3679 if target_module_ss.sources() != []
3680 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3681 sl = static_library(module_name,
3682 [genh, target_module_ss.sources()],
3683 dependencies: target_module_ss.dependencies(),
3684 include_directories: target_inc,
3688 emulator_modules += shared_module(sl.name(),
3690 objects: sl.extract_all_objects(recursive: false),
3691 dependencies: target_module_ss.dependencies(),
3693 install_dir: qemu_moddir)
3694 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3695 modinfo_files += custom_target(module_name + '.modinfo',
3696 output: module_name + '.modinfo',
3697 input: target_module_ss.sources() + genh,
3699 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3704 specific_ss.add_all(module_ss)
3710 foreach target : target_dirs
3711 if target.endswith('-softmmu')
3712 config_target = config_target_mak[target]
3713 config_devices_mak = target + '-config-devices.mak'
3714 modinfo_src = custom_target('modinfo-' + target + '.c',
3715 output: 'modinfo-' + target + '.c',
3716 input: modinfo_files,
3717 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3720 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3721 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3723 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3724 hw_arch[arch].add(modinfo_dep)
3728 if emulator_modules.length() > 0
3729 alias_target('modules', emulator_modules)
3733 nm = find_program('nm')
3734 undefsym = find_program('scripts/undefsym.py')
3735 block_syms = custom_target('block.syms', output: 'block.syms',
3736 input: [libqemuutil, block_mods],
3738 command: [undefsym, nm, '@INPUT@'])
3739 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3740 input: [libqemuutil, system_mods],
3742 command: [undefsym, nm, '@INPUT@'])
3744 authz_ss = authz_ss.apply({})
3745 libauthz = static_library('authz', authz_ss.sources() + genh,
3746 dependencies: [authz_ss.dependencies()],
3747 build_by_default: false)
3749 authz = declare_dependency(objects: libauthz.extract_all_objects(recursive: false),
3750 dependencies: [authz_ss.dependencies(), qom])
3752 crypto_ss = crypto_ss.apply({})
3753 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3754 dependencies: [crypto_ss.dependencies()],
3755 build_by_default: false)
3757 crypto = declare_dependency(objects: libcrypto.extract_all_objects(recursive: false),
3758 dependencies: [crypto_ss.dependencies(), authz, qom])
3760 io_ss = io_ss.apply({})
3761 libio = static_library('io', io_ss.sources() + genh,
3762 dependencies: [io_ss.dependencies()],
3763 link_with: libqemuutil,
3764 build_by_default: false)
3766 io = declare_dependency(objects: libio.extract_all_objects(recursive: false),
3767 dependencies: [io_ss.dependencies(), crypto, qom])
3769 libmigration = static_library('migration', sources: migration_files + genh,
3770 build_by_default: false)
3771 migration = declare_dependency(objects: libmigration.extract_all_objects(recursive: false),
3772 dependencies: [qom, io])
3773 system_ss.add(migration)
3775 block_ss = block_ss.apply({})
3776 libblock = static_library('block', block_ss.sources() + genh,
3777 dependencies: block_ss.dependencies(),
3778 build_by_default: false)
3780 block = declare_dependency(objects: libblock.extract_all_objects(recursive: false),
3781 dependencies: [block_ss.dependencies(), crypto, io])
3783 blockdev_ss = blockdev_ss.apply({})
3784 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3785 dependencies: blockdev_ss.dependencies(),
3786 build_by_default: false)
3788 blockdev = declare_dependency(objects: libblockdev.extract_all_objects(recursive: false),
3789 dependencies: [blockdev_ss.dependencies(), block, event_loop_base])
3791 qmp_ss = qmp_ss.apply({})
3792 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3793 dependencies: qmp_ss.dependencies(),
3794 build_by_default: false)
3796 qmp = declare_dependency(objects: libqmp.extract_all_objects(recursive: false),
3797 dependencies: qmp_ss.dependencies())
3799 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3800 dependencies: chardev_ss.dependencies(),
3801 build_by_default: false)
3803 chardev = declare_dependency(objects: libchardev.extract_all_objects(recursive: false),
3804 dependencies: chardev_ss.dependencies())
3806 hwcore_ss = hwcore_ss.apply({})
3807 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3808 build_by_default: false)
3809 hwcore = declare_dependency(objects: libhwcore.extract_all_objects(recursive: false))
3810 common_ss.add(hwcore)
3816 system_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3817 common_ss.add(qom, qemuutil)
3819 common_ss.add_all(when: 'CONFIG_SYSTEM_ONLY', if_true: [system_ss])
3820 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3822 # Note that this library is never used directly (only through extract_objects)
3823 # and is not built by default; therefore, source files not used by the build
3824 # configuration will be in build.ninja, but are never built by default.
3825 common_all = static_library('common',
3826 build_by_default: false,
3827 sources: common_ss.all_sources() + genh,
3828 include_directories: common_user_inc,
3829 implicit_include_directories: false,
3830 dependencies: common_ss.all_dependencies())
3832 feature_to_c = find_program('scripts/feature_to_c.py')
3834 if host_os == 'darwin'
3835 entitlement = find_program('scripts/entitlement.sh')
3840 foreach target : target_dirs
3841 config_target = config_target_mak[target]
3842 target_name = config_target['TARGET_NAME']
3843 target_base_arch = config_target['TARGET_BASE_ARCH']
3844 arch_srcs = [config_target_h[target]]
3846 c_args = ['-DCOMPILING_PER_TARGET',
3847 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3848 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3849 link_args = emulator_link_args
3851 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3852 if host_os == 'linux'
3853 target_inc += include_directories('linux-headers', is_system: true)
3855 if target.endswith('-softmmu')
3856 target_type='system'
3857 t = target_system_arch[target_base_arch].apply(config_target, strict: false)
3858 arch_srcs += t.sources()
3859 arch_deps += t.dependencies()
3861 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3862 if hw_arch.has_key(hw_dir)
3863 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3864 arch_srcs += hw.sources()
3865 arch_deps += hw.dependencies()
3868 arch_srcs += config_devices_h[target]
3869 link_args += ['@block.syms', '@qemu.syms']
3871 abi = config_target['TARGET_ABI_DIR']
3873 target_inc += common_user_inc
3874 if target_base_arch in target_user_arch
3875 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3876 arch_srcs += t.sources()
3877 arch_deps += t.dependencies()
3879 if 'CONFIG_LINUX_USER' in config_target
3880 base_dir = 'linux-user'
3882 if 'CONFIG_BSD_USER' in config_target
3883 base_dir = 'bsd-user'
3884 target_inc += include_directories('bsd-user/' / host_os)
3885 target_inc += include_directories('bsd-user/host/' / host_arch)
3886 dir = base_dir / abi
3887 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3889 target_inc += include_directories(
3893 if 'CONFIG_LINUX_USER' in config_target
3894 dir = base_dir / abi
3895 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3896 if config_target.has_key('TARGET_SYSTBL_ABI')
3898 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3899 extra_args : config_target['TARGET_SYSTBL_ABI'])
3904 if 'TARGET_XML_FILES' in config_target
3905 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3906 output: target + '-gdbstub-xml.c',
3907 input: files(config_target['TARGET_XML_FILES'].split()),
3908 command: [feature_to_c, '@INPUT@'],
3910 arch_srcs += gdbstub_xml
3913 t = target_arch[target_base_arch].apply(config_target, strict: false)
3914 arch_srcs += t.sources()
3915 arch_deps += t.dependencies()
3917 target_common = common_ss.apply(config_target, strict: false)
3918 objects = common_all.extract_objects(target_common.sources())
3919 arch_deps += target_common.dependencies()
3921 target_specific = specific_ss.apply(config_target, strict: false)
3922 arch_srcs += target_specific.sources()
3923 arch_deps += target_specific.dependencies()
3925 # allow using headers from the dependencies but do not include the sources,
3926 # because this emulator only needs those in "objects". For external
3927 # dependencies, the full dependency is included below in the executable.
3929 foreach dep : arch_deps
3930 lib_deps += dep.partial_dependency(compile_args: true, includes: true)
3933 lib = static_library('qemu-' + target,
3934 sources: arch_srcs + genh,
3935 dependencies: lib_deps,
3937 include_directories: target_inc,
3939 build_by_default: false)
3941 if target.endswith('-softmmu')
3943 'name': 'qemu-system-' + target_name,
3944 'win_subsystem': 'console',
3945 'sources': files('system/main.c'),
3948 if host_os == 'windows' and (sdl.found() or gtk.found())
3950 'name': 'qemu-system-' + target_name + 'w',
3951 'win_subsystem': 'windows',
3952 'sources': files('system/main.c'),
3956 if get_option('fuzzing')
3957 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3959 'name': 'qemu-fuzz-' + target_name,
3960 'win_subsystem': 'console',
3961 'sources': specific_fuzz.sources(),
3962 'dependencies': specific_fuzz.dependencies(),
3967 'name': 'qemu-' + target_name,
3968 'win_subsystem': 'console',
3974 exe_name = exe['name']
3975 if host_os == 'darwin'
3976 exe_name += '-unsigned'
3979 emulator = executable(exe_name, exe['sources'],
3982 dependencies: arch_deps + exe['dependencies'],
3983 objects: lib.extract_all_objects(recursive: true),
3984 link_depends: [block_syms, qemu_syms],
3985 link_args: link_args,
3986 win_subsystem: exe['win_subsystem'])
3988 if host_os == 'darwin'
3989 icon = 'pc-bios/qemu.rsrc'
3990 build_input = [emulator, files(icon)]
3992 get_option('bindir') / exe_name,
3993 meson.current_source_dir() / icon
3995 if 'CONFIG_HVF' in config_target
3996 entitlements = 'accel/hvf/entitlements.plist'
3997 build_input += files(entitlements)
3998 install_input += meson.current_source_dir() / entitlements
4001 emulators += {exe['name'] : custom_target(exe['name'],
4003 output: exe['name'],
4004 command: [entitlement, '@OUTPUT@', '@INPUT@'])
4007 meson.add_install_script(entitlement, '--install',
4008 get_option('bindir') / exe['name'],
4011 emulators += {exe['name']: emulator}
4016 'probe-prefix': 'qemu.' + target_type + '.' + target_name,
4022 # Other build targets
4024 if get_option('plugins')
4025 install_headers('include/qemu/qemu-plugin.h')
4026 if host_os == 'windows'
4027 # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
4028 # so that plugin authors can compile against it.
4029 install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
4035 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
4036 # when we don't build tools or system
4037 if xkbcommon.found()
4038 # used for the update-keymaps target, so include rules even if !have_tools
4039 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
4040 dependencies: [qemuutil, xkbcommon], install: have_tools)
4044 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
4045 link_args: '@block.syms', link_depends: block_syms,
4046 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
4047 qemu_io = executable('qemu-io', files('qemu-io.c'),
4048 link_args: '@block.syms', link_depends: block_syms,
4049 dependencies: [block, qemuutil], install: true)
4050 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
4051 link_args: '@block.syms', link_depends: block_syms,
4052 dependencies: [blockdev, qemuutil, selinux],
4055 subdir('storage-daemon')
4057 foreach exe: [ 'qemu-img', 'qemu-io', 'qemu-nbd', 'qemu-storage-daemon']
4060 'probe-prefix': 'qemu.' + exe.substring(5).replace('-', '_')
4064 subdir('contrib/elf2dmp')
4066 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
4067 dependencies: qemuutil,
4071 subdir('contrib/vhost-user-blk')
4072 subdir('contrib/vhost-user-gpu')
4073 subdir('contrib/vhost-user-input')
4074 subdir('contrib/vhost-user-scsi')
4077 if host_os == 'linux'
4078 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
4079 dependencies: [qemuutil, libcap_ng],
4081 install_dir: get_option('libexecdir'))
4083 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
4084 dependencies: [authz, crypto, io, qom, qemuutil,
4085 libcap_ng, mpathpersist],
4090 subdir('contrib/ivshmem-client')
4091 subdir('contrib/ivshmem-server')
4096 foreach t: traceable
4098 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / t['exe'], 'install': false},
4099 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / t['exe'], 'install': true},
4100 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
4101 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
4104 tracetool, '--group=all', '--format=' + stp['fmt'],
4105 '--binary=' + stp['bin'],
4106 '--probe-prefix=' + t['probe-prefix'],
4107 '@INPUT@', '@OUTPUT@'
4110 custom_target(t['exe'] + stp['ext'],
4111 input: trace_events_all,
4112 output: t['exe'] + stp['ext'],
4113 install: stp['install'],
4114 install_dir: get_option('datadir') / 'systemtap/tapset',
4116 depend_files: tracetool_depends)
4130 if host_machine.system() == 'windows'
4132 find_program('scripts/nsis.py'),
4134 get_option('prefix'),
4135 meson.current_source_dir(),
4136 glib_pc.get_variable('bindir'),
4139 '-DDISPLAYVERSION=' + meson.project_version(),
4142 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
4145 nsis_cmd += '-DCONFIG_GTK=y'
4148 nsis = custom_target('nsis',
4149 output: 'qemu-setup-' + meson.project_version() + '.exe',
4150 input: files('qemu.nsi'),
4151 build_always_stale: true,
4152 command: nsis_cmd + ['@INPUT@'])
4153 alias_target('installer', nsis)
4156 #########################
4157 # Configuration summary #
4158 #########################
4162 summary_info += {'Build directory': meson.current_build_dir()}
4163 summary_info += {'Source path': meson.current_source_dir()}
4164 summary_info += {'Download dependencies': get_option('wrap_mode') != 'nodownload'}
4165 summary(summary_info, bool_yn: true, section: 'Build environment')
4168 summary_info += {'Install prefix': get_option('prefix')}
4169 summary_info += {'BIOS directory': qemu_datadir}
4170 pathsep = host_os == 'windows' ? ';' : ':'
4171 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
4172 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
4173 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
4174 summary_info += {'module directory': qemu_moddir}
4175 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
4176 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
4177 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
4178 if host_os != 'windows'
4179 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
4180 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
4182 summary_info += {'local state directory': 'queried at runtime'}
4184 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
4185 summary(summary_info, bool_yn: true, section: 'Directories')
4189 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
4190 summary_info += {'sphinx-build': sphinx_build}
4192 # FIXME: the [binaries] section of machine files, which can be probed
4193 # with find_program(), would be great for passing gdb and genisoimage
4194 # paths from configure to Meson. However, there seems to be no way to
4195 # hide a program (for example if gdb is too old).
4196 if config_host.has_key('GDB')
4197 summary_info += {'gdb': config_host['GDB']}
4199 summary_info += {'iasl': iasl}
4200 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
4201 if host_os == 'windows' and have_ga
4202 summary_info += {'wixl': wixl}
4204 if slirp.found() and have_system
4205 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
4207 summary(summary_info, bool_yn: true, section: 'Host binaries')
4209 # Configurable features
4211 summary_info += {'Documentation': build_docs}
4212 summary_info += {'system-mode emulation': have_system}
4213 summary_info += {'user-mode emulation': have_user}
4214 summary_info += {'block layer': have_block}
4215 summary_info += {'Install blobs': get_option('install_blobs')}
4216 summary_info += {'module support': enable_modules}
4218 summary_info += {'alternative module path': get_option('module_upgrades')}
4220 summary_info += {'fuzzing support': get_option('fuzzing')}
4222 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
4224 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
4225 if 'simple' in get_option('trace_backends')
4226 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
4228 summary_info += {'D-Bus display': dbus_display}
4229 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
4230 summary_info += {'Relocatable install': get_option('relocatable')}
4231 summary_info += {'vhost-kernel support': have_vhost_kernel}
4232 summary_info += {'vhost-net support': have_vhost_net}
4233 summary_info += {'vhost-user support': have_vhost_user}
4234 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
4235 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
4236 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
4237 summary_info += {'build guest agent': have_ga}
4238 summary(summary_info, bool_yn: true, section: 'Configurable features')
4240 # Compilation information
4242 summary_info += {'host CPU': cpu}
4243 summary_info += {'host endianness': build_machine.endian()}
4244 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
4245 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
4246 if 'cpp' in all_languages
4247 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
4249 summary_info += {'C++ compiler': false}
4251 if 'objc' in all_languages
4252 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
4254 summary_info += {'Objective-C compiler': false}
4256 option_cflags = (get_option('debug') ? ['-g'] : [])
4257 if get_option('optimization') != 'plain'
4258 option_cflags += ['-O' + get_option('optimization')]
4260 summary_info += {'CFLAGS': ' '.join(get_option('c_args') + option_cflags)}
4261 if 'cpp' in all_languages
4262 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args') + option_cflags)}
4264 if 'objc' in all_languages
4265 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args') + option_cflags)}
4267 link_args = get_option('c_link_args')
4268 if link_args.length() > 0
4269 summary_info += {'LDFLAGS': ' '.join(link_args)}
4271 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_common_flags + qemu_cflags)}
4272 if 'cpp' in all_languages
4273 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_common_flags + qemu_cxxflags)}
4275 if 'objc' in all_languages
4276 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_common_flags)}
4278 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
4279 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
4280 summary_info += {'PIE': get_option('b_pie')}
4281 summary_info += {'static build': get_option('prefer_static')}
4282 summary_info += {'malloc trim support': has_malloc_trim}
4283 summary_info += {'membarrier': have_membarrier}
4284 summary_info += {'debug graph lock': get_option('debug_graph_lock')}
4285 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
4286 summary_info += {'mutex debugging': get_option('debug_mutex')}
4287 summary_info += {'memory allocator': get_option('malloc')}
4288 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
4289 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
4290 summary_info += {'gcov': get_option('b_coverage')}
4291 summary_info += {'thread sanitizer': get_option('tsan')}
4292 summary_info += {'CFI support': get_option('cfi')}
4293 if get_option('cfi')
4294 summary_info += {'CFI debug support': get_option('cfi_debug')}
4296 summary_info += {'strip binaries': get_option('strip')}
4297 summary_info += {'sparse': sparse}
4298 summary_info += {'mingw32 support': host_os == 'windows'}
4299 summary(summary_info, bool_yn: true, section: 'Compilation')
4301 # snarf the cross-compilation information for tests
4304 foreach target: target_dirs
4305 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
4306 if fs.exists(tcg_mak)
4307 config_cross_tcg = keyval.load(tcg_mak)
4308 if 'CC' in config_cross_tcg
4309 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
4315 summary(summary_info, bool_yn: true, section: 'Cross compilers')
4318 # Targets and accelerators
4321 summary_info += {'KVM support': config_all_accel.has_key('CONFIG_KVM')}
4322 summary_info += {'HVF support': config_all_accel.has_key('CONFIG_HVF')}
4323 summary_info += {'WHPX support': config_all_accel.has_key('CONFIG_WHPX')}
4324 summary_info += {'NVMM support': config_all_accel.has_key('CONFIG_NVMM')}
4325 summary_info += {'Xen support': xen.found()}
4327 summary_info += {'xen ctrl version': xen.version()}
4329 summary_info += {'Xen emulation': config_all_devices.has_key('CONFIG_XEN_EMU')}
4331 summary_info += {'TCG support': config_all_accel.has_key('CONFIG_TCG')}
4332 if config_all_accel.has_key('CONFIG_TCG')
4333 if get_option('tcg_interpreter')
4334 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
4336 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
4338 summary_info += {'TCG plugins': get_option('plugins')}
4339 summary_info += {'TCG debug enabled': get_option('debug_tcg')}
4340 if have_linux_user or have_bsd_user
4341 summary_info += {'syscall buffer debugging support': get_option('debug_remap')}
4344 summary_info += {'target list': ' '.join(target_dirs)}
4346 summary_info += {'default devices': get_option('default_devices')}
4347 summary_info += {'out of process emulation': multiprocess_allowed}
4348 summary_info += {'vfio-user server': vfio_user_server_allowed}
4350 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
4354 summary_info += {'coroutine backend': coroutine_backend}
4355 summary_info += {'coroutine pool': have_coroutine_pool}
4357 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
4358 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
4359 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
4360 summary_info += {'VirtFS (9P) support': have_virtfs}
4361 summary_info += {'VirtFS (9P) Proxy Helper support (deprecated)': have_virtfs_proxy_helper}
4362 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
4363 summary_info += {'bochs support': get_option('bochs').allowed()}
4364 summary_info += {'cloop support': get_option('cloop').allowed()}
4365 summary_info += {'dmg support': get_option('dmg').allowed()}
4366 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
4367 summary_info += {'vdi support': get_option('vdi').allowed()}
4368 summary_info += {'vhdx support': get_option('vhdx').allowed()}
4369 summary_info += {'vmdk support': get_option('vmdk').allowed()}
4370 summary_info += {'vpc support': get_option('vpc').allowed()}
4371 summary_info += {'vvfat support': get_option('vvfat').allowed()}
4372 summary_info += {'qed support': get_option('qed').allowed()}
4373 summary_info += {'parallels support': get_option('parallels').allowed()}
4374 summary_info += {'FUSE exports': fuse}
4375 summary_info += {'VDUSE block exports': have_vduse_blk_export}
4377 summary(summary_info, bool_yn: true, section: 'Block layer support')
4381 summary_info += {'TLS priority': get_option('tls_priority')}
4382 summary_info += {'GNUTLS support': gnutls}
4384 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
4386 summary_info += {'libgcrypt': gcrypt}
4387 summary_info += {'nettle': nettle}
4389 summary_info += {' XTS': xts != 'private'}
4391 summary_info += {'SM4 ALG support': crypto_sm4}
4392 summary_info += {'AF_ALG support': have_afalg}
4393 summary_info += {'rng-none': get_option('rng_none')}
4394 summary_info += {'Linux keyring': have_keyring}
4395 summary_info += {'Linux keyutils': keyutils}
4396 summary(summary_info, bool_yn: true, section: 'Crypto')
4400 if host_os == 'darwin'
4401 summary_info += {'Cocoa support': cocoa}
4403 summary_info += {'SDL support': sdl}
4404 summary_info += {'SDL image support': sdl_image}
4405 summary_info += {'GTK support': gtk}
4406 summary_info += {'pixman': pixman}
4407 summary_info += {'VTE support': vte}
4408 summary_info += {'PNG support': png}
4409 summary_info += {'VNC support': vnc}
4411 summary_info += {'VNC SASL support': sasl}
4412 summary_info += {'VNC JPEG support': jpeg}
4414 summary_info += {'spice protocol support': spice_protocol}
4415 if spice_protocol.found()
4416 summary_info += {' spice server support': spice}
4418 summary_info += {'curses support': curses}
4419 summary_info += {'brlapi support': brlapi}
4420 summary(summary_info, bool_yn: true, section: 'User interface')
4424 summary_info += {'VirGL support': virgl}
4425 summary_info += {'Rutabaga support': rutabaga}
4426 summary(summary_info, bool_yn: true, section: 'Graphics backends')
4430 if host_os not in ['darwin', 'haiku', 'windows']
4431 summary_info += {'OSS support': oss}
4432 summary_info += {'sndio support': sndio}
4433 elif host_os == 'darwin'
4434 summary_info += {'CoreAudio support': coreaudio}
4435 elif host_os == 'windows'
4436 summary_info += {'DirectSound support': dsound}
4438 if host_os == 'linux'
4439 summary_info += {'ALSA support': alsa}
4440 summary_info += {'PulseAudio support': pulse}
4442 summary_info += {'PipeWire support': pipewire}
4443 summary_info += {'JACK support': jack}
4444 summary(summary_info, bool_yn: true, section: 'Audio backends')
4448 if host_os == 'darwin'
4449 summary_info += {'vmnet.framework support': vmnet}
4451 summary_info += {'AF_XDP support': libxdp}
4452 summary_info += {'slirp support': slirp}
4453 summary_info += {'vde support': vde}
4454 summary_info += {'netmap support': have_netmap}
4455 summary_info += {'l2tpv3 support': have_l2tpv3}
4456 summary(summary_info, bool_yn: true, section: 'Network backends')
4460 summary_info += {'libtasn1': tasn1}
4461 summary_info += {'PAM': pam}
4462 summary_info += {'iconv support': iconv}
4463 summary_info += {'blkio support': blkio}
4464 summary_info += {'curl support': curl}
4465 summary_info += {'Multipath support': mpathpersist}
4466 summary_info += {'Linux AIO support': libaio}
4467 summary_info += {'Linux io_uring support': linux_io_uring}
4468 summary_info += {'ATTR/XATTR support': libattr}
4469 summary_info += {'RDMA support': rdma}
4470 summary_info += {'fdt support': fdt_opt == 'internal' ? 'internal' : fdt}
4471 summary_info += {'libcap-ng support': libcap_ng}
4472 summary_info += {'bpf support': libbpf}
4473 summary_info += {'rbd support': rbd}
4474 summary_info += {'smartcard support': cacard}
4475 summary_info += {'U2F support': u2f}
4476 summary_info += {'libusb': libusb}
4477 summary_info += {'usb net redir': usbredir}
4478 summary_info += {'OpenGL support (epoxy)': opengl}
4479 summary_info += {'GBM': gbm}
4480 summary_info += {'libiscsi support': libiscsi}
4481 summary_info += {'libnfs support': libnfs}
4482 if host_os == 'windows'
4484 summary_info += {'QGA VSS support': have_qga_vss}
4487 summary_info += {'seccomp support': seccomp}
4488 summary_info += {'GlusterFS support': glusterfs}
4489 summary_info += {'hv-balloon support': hv_balloon}
4490 summary_info += {'TPM support': have_tpm}
4491 summary_info += {'libssh support': libssh}
4492 summary_info += {'lzo support': lzo}
4493 summary_info += {'snappy support': snappy}
4494 summary_info += {'bzip2 support': libbzip2}
4495 summary_info += {'lzfse support': liblzfse}
4496 summary_info += {'zstd support': zstd}
4497 summary_info += {'Query Processing Library support': qpl}
4498 summary_info += {'UADK Library support': uadk}
4499 summary_info += {'NUMA host support': numa}
4500 summary_info += {'capstone': capstone}
4501 summary_info += {'libpmem support': libpmem}
4502 summary_info += {'libdaxctl support': libdaxctl}
4503 summary_info += {'libudev': libudev}
4504 # Dummy dependency, keep .found()
4505 summary_info += {'FUSE lseek': fuse_lseek.found()}
4506 summary_info += {'selinux': selinux}
4507 summary_info += {'libdw': libdw}
4508 if host_os == 'freebsd'
4509 summary_info += {'libinotify-kqueue': inotify}
4511 summary(summary_info, bool_yn: true, section: 'Dependencies')
4513 if host_arch == 'unknown'
4515 warning('UNSUPPORTED HOST CPU')
4517 message('Support for CPU host architecture ' + cpu + ' is not currently')
4518 message('maintained. The QEMU project does not guarantee that QEMU will')
4519 message('compile or work on this host CPU. You can help by volunteering')
4520 message('to maintain it and providing a build host for our continuous')
4521 message('integration setup.')
4522 if get_option('tcg').allowed() and target_dirs.length() > 0
4524 message('configure has succeeded and you can continue to build, but')
4525 message('QEMU will use a slow interpreter to emulate the target CPU.')
4529 if not supported_oses.contains(host_os)
4531 warning('UNSUPPORTED HOST OS')
4533 message('Support for host OS ' + host_os + 'is not currently maintained.')
4534 message('configure has succeeded and you can continue to build, but')
4535 message('the QEMU project does not guarantee that QEMU will compile or')
4536 message('work on this operating system. You can help by volunteering')
4537 message('to maintain it and providing a build host for our continuous')
4538 message('integration setup. This will ensure that future versions of QEMU')
4539 message('will keep working on ' + host_os + '.')
4542 if host_arch == 'unknown' or not supported_oses.contains(host_os)
4544 message('If you want to help supporting QEMU on this platform, please')
4545 message('contact the developers at qemu-devel@nongnu.org.')
4548 actually_reloc = get_option('relocatable')
4549 # check if get_relocated_path() is actually able to relocate paths
4550 if get_option('relocatable') and \
4551 not (get_option('prefix') / get_option('bindir')).startswith(get_option('prefix') / '')
4553 warning('bindir not included within prefix, the installation will not be relocatable.')
4554 actually_reloc = false
4556 if not actually_reloc and (host_os == 'windows' or get_option('relocatable'))
4557 if host_os == 'windows'
4559 warning('Windows installs should usually be relocatable.')
4562 message('QEMU will have to be installed under ' + get_option('prefix') + '.')
4563 message('Use --disable-relocatable to remove this warning.')