1 project('qemu', ['c'], meson_version: '>=0.61.3',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 sh = find_program('sh')
18 cc = meson.get_compiler('c')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20 enable_modules = 'CONFIG_MODULES' in config_host
21 enable_static = 'CONFIG_STATIC' in config_host
23 # Allow both shared and static libraries unless --enable-static
24 static_kwargs = enable_static ? {'static': true} : {}
26 # Temporary directory used for files created while
27 # configure runs. Since it is in the build directory
28 # we can safely blow away any previous version of it
29 # (and we need not jump through hoops to try to delete
30 # it when configure exits.)
31 tmpdir = meson.current_build_dir() / 'meson-private/temp'
33 if get_option('qemu_suffix').startswith('/')
34 error('qemu_suffix cannot start with a /')
37 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
38 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
39 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
40 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
42 qemu_desktopdir = get_option('datadir') / 'applications'
43 qemu_icondir = get_option('datadir') / 'icons'
45 config_host_data = configuration_data()
47 qapi_trace_events = []
49 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
50 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
51 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
52 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
54 cpu = host_machine.cpu_family()
56 # Unify riscv* to a single family.
57 if cpu in ['riscv32', 'riscv64']
61 targetos = host_machine.system()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 have_block = have_system or have_tools
83 python = import('python').find_installation()
85 if cpu not in supported_cpus
95 if cpu in ['x86', 'x86_64']
96 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
98 kvm_targets = ['aarch64-softmmu']
100 kvm_targets = ['s390x-softmmu']
101 elif cpu in ['ppc', 'ppc64']
102 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
103 elif cpu in ['mips', 'mips64']
104 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
105 elif cpu in ['riscv']
106 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
112 if get_option('kvm').allowed() and targetos == 'linux'
113 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
115 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
117 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
119 if cpu in ['aarch64']
120 accelerator_targets += {
121 'CONFIG_HVF': ['aarch64-softmmu']
125 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
126 # i386 emulator provides xenpv machine type for multiple architectures
127 accelerator_targets += {
128 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
131 if cpu in ['x86', 'x86_64']
132 accelerator_targets += {
133 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
134 'CONFIG_HVF': ['x86_64-softmmu'],
135 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
136 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
141 # Darwin does not support references to thread-local variables in modules
142 if targetos != 'darwin'
143 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
146 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
147 unpack_edk2_blobs = false
148 foreach target : edk2_targets
149 if target in target_dirs
150 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
151 unpack_edk2_blobs = bzip2.found()
158 if 'dtrace' in get_option('trace_backends')
159 dtrace = find_program('dtrace', required: true)
160 stap = find_program('stap', required: false)
162 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
163 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
164 # instead. QEMU --enable-modules depends on this because the SystemTap
165 # semaphores are linked into the main binary and not the module's shared
167 add_global_arguments('-DSTAP_SDT_V2',
168 native: false, language: ['c', 'cpp', 'objc'])
172 if get_option('iasl') == ''
173 iasl = find_program('iasl', required: false)
175 iasl = find_program(get_option('iasl'), required: true)
182 qemu_cflags = config_host['QEMU_CFLAGS'].split()
183 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
184 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
187 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
190 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
191 # The combination is known as "full relro", because .got.plt is read-only too.
192 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
194 if targetos == 'windows'
195 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
196 # Disable ASLR for debug builds to allow debugging with gdb
197 if get_option('optimization') == '0'
198 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
202 if get_option('gprof')
203 qemu_cflags += ['-p']
204 qemu_objcflags += ['-p']
205 qemu_ldflags += ['-p']
208 # Specify linker-script with add_project_link_arguments so that it is not placed
209 # within a linker --start-group/--end-group pair
210 if get_option('fuzzing')
211 add_project_link_arguments(['-Wl,-T,',
212 (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
213 native: false, language: ['c', 'cpp', 'objc'])
215 # Specify a filter to only instrument code that is directly related to
217 configure_file(output: 'instrumentation-filter',
218 input: 'scripts/oss-fuzz/instrumentation-filter-template',
221 if cc.compiles('int main () { return 0; }',
222 name: '-fsanitize-coverage-allowlist=/dev/null',
223 args: ['-fsanitize-coverage-allowlist=/dev/null',
224 '-fsanitize-coverage=trace-pc'] )
225 add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
226 native: false, language: ['c', 'cpp', 'objc'])
229 if get_option('fuzzing_engine') == ''
230 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
231 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
232 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
233 # unable to bind the fuzzer-related callbacks added by instrumentation.
234 add_global_arguments('-fsanitize=fuzzer-no-link',
235 native: false, language: ['c', 'cpp', 'objc'])
236 add_global_link_arguments('-fsanitize=fuzzer-no-link',
237 native: false, language: ['c', 'cpp', 'objc'])
238 # For the actual fuzzer binaries, we need to link against the libfuzzer
239 # library. They need to be configurable, to support OSS-Fuzz
240 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
242 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
243 # the needed CFLAGS have already been provided
244 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
248 add_global_arguments(qemu_cflags, native: false, language: ['c'])
249 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
251 # Check that the C++ compiler exists and works with the C compiler.
255 if add_languages('cpp', required: false, native: false)
256 cxx = meson.get_compiler('cpp')
257 add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
258 native: false, language: 'cpp')
259 foreach k: qemu_cflags
260 if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
261 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
265 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
267 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
268 link_language = 'cpp'
271 message('C++ compiler does not work with C compiler')
272 message('Disabling C++-specific optional code')
276 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
277 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
278 qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
281 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
283 if targetos == 'linux'
284 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
285 '-isystem', 'linux-headers',
286 language: ['c', 'cpp'])
289 add_project_arguments('-iquote', '.',
290 '-iquote', meson.current_source_dir(),
291 '-iquote', meson.current_source_dir() / 'include',
292 language: ['c', 'cpp', 'objc'])
294 if host_machine.system() == 'darwin'
295 add_languages('objc', required: false, native: false)
298 sparse = find_program('cgcc', required: get_option('sparse'))
301 command: [find_program('scripts/check_sparse.py'),
302 'compile_commands.json', sparse.full_path(), '-Wbitwise',
303 '-Wno-transparent-union', '-Wno-old-initializer',
304 '-Wno-non-pointer-null'])
307 ###########################################
308 # Target-specific checks and dependencies #
309 ###########################################
312 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
315 #include <sys/types.h>
316 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
317 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
319 args: ['-Werror', '-fsanitize=fuzzer'])
320 error('Your compiler does not support -fsanitize=fuzzer')
324 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
325 error('ftrace is supported only on Linux')
327 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
330 openlog("qemu", LOG_PID, LOG_DAEMON);
331 syslog(LOG_INFO, "configure");
334 error('syslog is not supported on this system')
337 # Miscellaneous Linux-only features
338 get_option('mpath') \
339 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
341 multiprocess_allowed = get_option('multiprocess') \
342 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
345 vfio_user_server_allowed = get_option('vfio_user_server') \
346 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
349 have_tpm = get_option('tpm') \
350 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
354 have_vhost_user = get_option('vhost_user') \
355 .disable_auto_if(targetos != 'linux') \
356 .require(targetos != 'windows',
357 error_message: 'vhost-user is not available on Windows').allowed()
358 have_vhost_vdpa = get_option('vhost_vdpa') \
359 .require(targetos == 'linux',
360 error_message: 'vhost-vdpa is only available on Linux').allowed()
361 have_vhost_kernel = get_option('vhost_kernel') \
362 .require(targetos == 'linux',
363 error_message: 'vhost-kernel is only available on Linux').allowed()
364 have_vhost_user_crypto = get_option('vhost_crypto') \
365 .require(have_vhost_user,
366 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
368 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
370 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
371 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
372 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
373 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
375 # Target-specific libraries and flags
376 libm = cc.find_library('m', required: false)
377 threads = dependency('threads')
378 util = cc.find_library('util', required: false)
384 emulator_link_args = []
391 if targetos == 'windows'
392 midl = find_program('midl', required: false)
393 widl = find_program('widl', required: false)
394 pathcch = cc.find_library('pathcch')
395 socket = cc.find_library('ws2_32')
396 winmm = cc.find_library('winmm')
398 win = import('windows')
399 version_res = win.compile_resources('version.rc',
400 depend_files: files('pc-bios/qemu-nsis.ico'),
401 include_directories: include_directories('.'))
403 elif targetos == 'darwin'
404 coref = dependency('appleframeworks', modules: 'CoreFoundation')
405 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
406 host_dsosuf = '.dylib'
407 elif targetos == 'sunos'
408 socket = [cc.find_library('socket'),
409 cc.find_library('nsl'),
410 cc.find_library('resolv')]
411 elif targetos == 'haiku'
412 socket = [cc.find_library('posix_error_mapper'),
413 cc.find_library('network'),
414 cc.find_library('bsd')]
415 elif targetos == 'openbsd'
416 if get_option('tcg').allowed() and target_dirs.length() > 0
417 # Disable OpenBSD W^X if available
418 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
422 # Target-specific configuration of accelerators
424 if get_option('kvm').allowed() and targetos == 'linux'
425 accelerators += 'CONFIG_KVM'
427 if get_option('whpx').allowed() and targetos == 'windows'
428 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
429 error('WHPX requires 64-bit host')
430 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
431 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
432 accelerators += 'CONFIG_WHPX'
435 if get_option('hvf').allowed()
436 hvf = dependency('appleframeworks', modules: 'Hypervisor',
437 required: get_option('hvf'))
439 accelerators += 'CONFIG_HVF'
442 if get_option('hax').allowed()
443 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
444 accelerators += 'CONFIG_HAX'
447 if targetos == 'netbsd'
448 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
450 accelerators += 'CONFIG_NVMM'
455 if get_option('tcg').allowed()
456 if host_arch == 'unknown'
457 if get_option('tcg_interpreter')
458 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
460 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
462 elif get_option('tcg_interpreter')
463 warning('Use of the TCG interpreter is not recommended on this host')
464 warning('architecture. There is a native TCG execution backend available')
465 warning('which provides substantially better performance and reliability.')
466 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
467 warning('configuration option on this architecture to use the native')
470 if get_option('tcg_interpreter')
472 elif host_arch == 'x86_64'
474 elif host_arch == 'ppc64'
477 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
478 language: ['c', 'cpp', 'objc'])
480 accelerators += 'CONFIG_TCG'
481 config_host += { 'CONFIG_TCG': 'y' }
484 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
485 error('KVM not available on this platform')
487 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
488 error('HVF not available on this platform')
490 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
491 error('NVMM not available on this platform')
493 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
494 error('WHPX not available on this platform')
501 # The path to glib.h is added to all compilation commands. This was
502 # grandfathered in from the QEMU Makefiles.
503 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
504 native: false, language: ['c', 'cpp', 'objc'])
505 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
506 link_args: config_host['GLIB_LIBS'].split(),
507 version: config_host['GLIB_VERSION'],
509 'bindir': config_host['GLIB_BINDIR'],
511 # override glib dep with the configure results (for subprojects)
512 meson.override_dependency('glib-2.0', glib)
515 gdbus_codegen = not_found
516 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
517 if not get_option('gio').auto() or have_system
518 gio = dependency('gio-2.0', required: get_option('gio'),
519 method: 'pkg-config', kwargs: static_kwargs)
520 if gio.found() and not cc.links('''
524 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
526 }''', dependencies: [glib, gio])
527 if get_option('gio').enabled()
528 error('The installed libgio is broken for static linking')
533 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
534 required: get_option('gio'))
535 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
536 method: 'pkg-config', kwargs: static_kwargs)
537 gio = declare_dependency(dependencies: [gio, gio_unix],
538 version: gio.version())
541 if gdbus_codegen.found() and get_option('cfi')
542 gdbus_codegen = not_found
543 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
547 if 'ust' in get_option('trace_backends')
548 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
549 method: 'pkg-config', kwargs: static_kwargs)
552 if have_system or have_tools
553 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
554 method: 'pkg-config', kwargs: static_kwargs)
556 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
559 if not get_option('linux_aio').auto() or have_block
560 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
561 required: get_option('linux_aio'),
562 kwargs: static_kwargs)
565 linux_io_uring_test = '''
566 #include <liburing.h>
567 #include <linux/errqueue.h>
569 int main(void) { return 0; }'''
571 linux_io_uring = not_found
572 if not get_option('linux_io_uring').auto() or have_block
573 linux_io_uring = dependency('liburing', version: '>=0.3',
574 required: get_option('linux_io_uring'),
575 method: 'pkg-config', kwargs: static_kwargs)
576 if not cc.links(linux_io_uring_test)
577 linux_io_uring = not_found
582 if not get_option('libnfs').auto() or have_block
583 libnfs = dependency('libnfs', version: '>=1.9.3',
584 required: get_option('libnfs'),
585 method: 'pkg-config', kwargs: static_kwargs)
590 #include <sys/types.h>
591 #ifdef CONFIG_LIBATTR
592 #include <attr/xattr.h>
594 #include <sys/xattr.h>
596 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
599 have_old_libattr = false
600 if get_option('attr').allowed()
601 if cc.links(libattr_test)
602 libattr = declare_dependency()
604 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
605 required: get_option('attr'),
606 kwargs: static_kwargs)
607 if libattr.found() and not \
608 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
610 if get_option('attr').enabled()
611 error('could not link libattr')
613 warning('could not link libattr, disabling')
616 have_old_libattr = libattr.found()
621 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
622 required: get_option('cocoa'))
624 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
625 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
626 'VMNET_BRIDGED_MODE',
629 if get_option('vmnet').enabled()
630 error('vmnet.framework API is outdated')
632 warning('vmnet.framework API is outdated, disabling')
637 seccomp_has_sysrawrc = false
638 if not get_option('seccomp').auto() or have_system or have_tools
639 seccomp = dependency('libseccomp', version: '>=2.3.0',
640 required: get_option('seccomp'),
641 method: 'pkg-config', kwargs: static_kwargs)
643 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
644 'SCMP_FLTATR_API_SYSRAWRC',
645 dependencies: seccomp)
649 libcap_ng = not_found
650 if not get_option('cap_ng').auto() or have_system or have_tools
651 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
652 required: get_option('cap_ng'),
653 kwargs: static_kwargs)
655 if libcap_ng.found() and not cc.links('''
659 capng_capability_to_name(CAPNG_EFFECTIVE);
661 }''', dependencies: libcap_ng)
662 libcap_ng = not_found
663 if get_option('cap_ng').enabled()
664 error('could not link libcap-ng')
666 warning('could not link libcap-ng, disabling')
670 if get_option('xkbcommon').auto() and not have_system and not have_tools
671 xkbcommon = not_found
673 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
674 method: 'pkg-config', kwargs: static_kwargs)
678 if not get_option('slirp').auto() or have_system
679 slirp = dependency('slirp', required: get_option('slirp'),
680 method: 'pkg-config', kwargs: static_kwargs)
681 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
682 # it passes function pointers within libslirp as callbacks for timers.
683 # When using a system-wide shared libslirp, the type information for the
684 # callback is missing and the timer call produces a false positive with CFI.
685 # Do not use the "version" keyword argument to produce a better error.
686 # with control-flow integrity.
687 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
688 if get_option('slirp').enabled()
689 error('Control-Flow Integrity requires libslirp 4.7.')
691 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
698 if not get_option('vde').auto() or have_system or have_tools
699 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
700 required: get_option('vde'),
701 kwargs: static_kwargs)
703 if vde.found() and not cc.links('''
704 #include <libvdeplug.h>
707 struct vde_open_args a = {0, 0, 0};
711 }''', dependencies: vde)
713 if get_option('cap_ng').enabled()
714 error('could not link libvdeplug')
716 warning('could not link libvdeplug, disabling')
721 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
722 pulse = dependency('libpulse', required: get_option('pa'),
723 method: 'pkg-config', kwargs: static_kwargs)
726 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
727 alsa = dependency('alsa', required: get_option('alsa'),
728 method: 'pkg-config', kwargs: static_kwargs)
731 if not get_option('jack').auto() or have_system
732 jack = dependency('jack', required: get_option('jack'),
733 method: 'pkg-config', kwargs: static_kwargs)
736 if not get_option('sndio').auto() or have_system
737 sndio = dependency('sndio', required: get_option('sndio'),
738 method: 'pkg-config', kwargs: static_kwargs)
741 spice_protocol = not_found
742 if not get_option('spice_protocol').auto() or have_system
743 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
744 required: get_option('spice_protocol'),
745 method: 'pkg-config', kwargs: static_kwargs)
748 if not get_option('spice').auto() or have_system
749 spice = dependency('spice-server', version: '>=0.12.5',
750 required: get_option('spice'),
751 method: 'pkg-config', kwargs: static_kwargs)
753 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
755 rt = cc.find_library('rt', required: false)
758 if not get_option('libiscsi').auto() or have_block
759 libiscsi = dependency('libiscsi', version: '>=1.9.0',
760 required: get_option('libiscsi'),
761 method: 'pkg-config', kwargs: static_kwargs)
764 if not get_option('zstd').auto() or have_block
765 zstd = dependency('libzstd', version: '>=1.4.0',
766 required: get_option('zstd'),
767 method: 'pkg-config', kwargs: static_kwargs)
771 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
772 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
773 virgl = dependency('virglrenderer',
774 method: 'pkg-config',
775 required: get_option('virglrenderer'),
776 kwargs: static_kwargs)
779 if not get_option('blkio').auto() or have_block
780 blkio = dependency('blkio',
781 method: 'pkg-config',
782 required: get_option('blkio'),
783 kwargs: static_kwargs)
786 if not get_option('curl').auto() or have_block
787 curl = dependency('libcurl', version: '>=7.29.0',
788 method: 'pkg-config',
789 required: get_option('curl'),
790 kwargs: static_kwargs)
793 if targetos == 'linux' and (have_system or have_tools)
794 libudev = dependency('libudev',
795 method: 'pkg-config',
796 required: get_option('libudev'),
797 kwargs: static_kwargs)
800 mpathlibs = [libudev]
801 mpathpersist = not_found
802 mpathpersist_new_api = false
803 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
804 mpath_test_source_new = '''
806 #include <mpath_persist.h>
807 unsigned mpath_mx_alloc_len = 1024;
809 static struct config *multipath_conf;
810 extern struct udev *udev;
811 extern struct config *get_multipath_config(void);
812 extern void put_multipath_config(struct config *conf);
814 struct config *get_multipath_config(void) { return multipath_conf; }
815 void put_multipath_config(struct config *conf) { }
818 multipath_conf = mpath_lib_init();
821 mpath_test_source_old = '''
823 #include <mpath_persist.h>
824 unsigned mpath_mx_alloc_len = 1024;
827 struct udev *udev = udev_new();
828 mpath_lib_init(udev);
831 libmpathpersist = cc.find_library('mpathpersist',
832 required: get_option('mpath'),
833 kwargs: static_kwargs)
834 if libmpathpersist.found()
835 mpathlibs += libmpathpersist
837 mpathlibs += cc.find_library('devmapper',
838 required: get_option('mpath'),
839 kwargs: static_kwargs)
841 mpathlibs += cc.find_library('multipath',
842 required: get_option('mpath'),
843 kwargs: static_kwargs)
844 foreach lib: mpathlibs
850 if mpathlibs.length() == 0
851 msg = 'Dependencies missing for libmpathpersist'
852 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
853 mpathpersist = declare_dependency(dependencies: mpathlibs)
854 mpathpersist_new_api = true
855 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
856 mpathpersist = declare_dependency(dependencies: mpathlibs)
858 msg = 'Cannot detect libmpathpersist API'
860 if not mpathpersist.found()
861 if get_option('mpath').enabled()
864 warning(msg + ', disabling')
872 if have_system and get_option('curses').allowed()
874 #if defined(__APPLE__) || defined(__OpenBSD__)
875 #define _XOPEN_SOURCE_EXTENDED 1
882 setlocale(LC_ALL, "");
884 addwstr(L"wide chars\n");
886 add_wch(WACS_DEGREE);
890 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
891 curses = dependency(curses_dep_list,
893 method: 'pkg-config',
894 kwargs: static_kwargs)
895 msg = get_option('curses').enabled() ? 'curses library not found' : ''
896 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
898 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
899 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
901 msg = 'curses package not usable'
905 if not curses.found()
906 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
907 if targetos != 'windows' and not has_curses_h
908 message('Trying with /usr/include/ncursesw')
909 curses_compile_args += ['-I/usr/include/ncursesw']
910 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
913 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
914 foreach curses_libname : curses_libname_list
915 libcurses = cc.find_library(curses_libname,
917 kwargs: static_kwargs)
919 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
920 curses = declare_dependency(compile_args: curses_compile_args,
921 dependencies: [libcurses])
924 msg = 'curses library not usable'
930 if get_option('iconv').allowed()
931 foreach link_args : [ ['-liconv'], [] ]
932 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
933 # We need to use libiconv if available because mixing libiconv's headers with
934 # the system libc does not work.
935 # However, without adding glib to the dependencies -L/usr/local/lib will not be
936 # included in the command line and libiconv will not be found.
940 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
941 return conv != (iconv_t) -1;
942 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
943 iconv = declare_dependency(link_args: link_args, dependencies: glib)
948 if curses.found() and not iconv.found()
949 if get_option('iconv').enabled()
950 error('iconv not available')
952 msg = 'iconv required for curses UI but not available'
955 if not curses.found() and msg != ''
956 if get_option('curses').enabled()
959 warning(msg + ', disabling')
965 if not get_option('brlapi').auto() or have_system
966 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
967 required: get_option('brlapi'),
968 kwargs: static_kwargs)
969 if brlapi.found() and not cc.links('''
972 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
974 if get_option('brlapi').enabled()
975 error('could not link brlapi')
977 warning('could not link brlapi, disabling')
983 if not get_option('sdl').auto() or have_system
984 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
985 sdl_image = not_found
988 # work around 2.0.8 bug
989 sdl = declare_dependency(compile_args: '-Wno-undef',
991 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
992 method: 'pkg-config', kwargs: static_kwargs)
994 if get_option('sdl_image').enabled()
995 error('sdl-image required, but SDL was @0@'.format(
996 get_option('sdl').disabled() ? 'disabled' : 'not found'))
998 sdl_image = not_found
1002 if not get_option('rbd').auto() or have_block
1003 librados = cc.find_library('rados', required: get_option('rbd'),
1004 kwargs: static_kwargs)
1005 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1006 required: get_option('rbd'),
1007 kwargs: static_kwargs)
1008 if librados.found() and librbd.found()
1011 #include <rbd/librbd.h>
1014 rados_create(&cluster, NULL);
1015 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1019 }''', dependencies: [librbd, librados])
1020 rbd = declare_dependency(dependencies: [librbd, librados])
1021 elif get_option('rbd').enabled()
1022 error('librbd >= 1.12.0 required')
1024 warning('librbd >= 1.12.0 not found, disabling')
1029 glusterfs = not_found
1030 glusterfs_ftruncate_has_stat = false
1031 glusterfs_iocb_has_stat = false
1032 if not get_option('glusterfs').auto() or have_block
1033 glusterfs = dependency('glusterfs-api', version: '>=3',
1034 required: get_option('glusterfs'),
1035 method: 'pkg-config', kwargs: static_kwargs)
1036 if glusterfs.found()
1037 glusterfs_ftruncate_has_stat = cc.links('''
1038 #include <glusterfs/api/glfs.h>
1043 /* new glfs_ftruncate() passes two additional args */
1044 return glfs_ftruncate(NULL, 0, NULL, NULL);
1046 ''', dependencies: glusterfs)
1047 glusterfs_iocb_has_stat = cc.links('''
1048 #include <glusterfs/api/glfs.h>
1050 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1052 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1058 glfs_io_cbk iocb = &glusterfs_iocb;
1059 iocb(NULL, 0 , NULL, NULL, NULL);
1062 ''', dependencies: glusterfs)
1067 if not get_option('libssh').auto() or have_block
1068 libssh = dependency('libssh', version: '>=0.8.7',
1069 method: 'pkg-config',
1070 required: get_option('libssh'),
1071 kwargs: static_kwargs)
1074 libbzip2 = not_found
1075 if not get_option('bzip2').auto() or have_block
1076 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1077 required: get_option('bzip2'),
1078 kwargs: static_kwargs)
1079 if libbzip2.found() and not cc.links('''
1081 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1082 libbzip2 = not_found
1083 if get_option('bzip2').enabled()
1084 error('could not link libbzip2')
1086 warning('could not link libbzip2, disabling')
1091 liblzfse = not_found
1092 if not get_option('lzfse').auto() or have_block
1093 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1094 required: get_option('lzfse'),
1095 kwargs: static_kwargs)
1097 if liblzfse.found() and not cc.links('''
1099 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1100 liblzfse = not_found
1101 if get_option('lzfse').enabled()
1102 error('could not link liblzfse')
1104 warning('could not link liblzfse, disabling')
1109 if get_option('oss').allowed() and have_system
1110 if not cc.has_header('sys/soundcard.h')
1112 elif targetos == 'netbsd'
1113 oss = cc.find_library('ossaudio', required: get_option('oss'),
1114 kwargs: static_kwargs)
1116 oss = declare_dependency()
1120 if get_option('oss').enabled()
1121 error('OSS not found')
1126 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1127 if cc.has_header('dsound.h')
1128 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131 if not dsound.found()
1132 if get_option('dsound').enabled()
1133 error('DirectSound not found')
1138 coreaudio = not_found
1139 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1140 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1141 required: get_option('coreaudio'))
1145 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1146 epoxy = dependency('epoxy', method: 'pkg-config',
1147 required: get_option('opengl'), kwargs: static_kwargs)
1148 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1150 elif get_option('opengl').enabled()
1151 error('epoxy/egl.h not found')
1155 if (have_system or have_tools) and (virgl.found() or opengl.found())
1156 gbm = dependency('gbm', method: 'pkg-config', required: false,
1157 kwargs: static_kwargs)
1159 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162 gnutls_crypto = not_found
1163 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1164 # For general TLS support our min gnutls matches
1165 # that implied by our platform support matrix
1167 # For the crypto backends, we look for a newer
1170 # Version 3.6.8 is needed to get XTS
1171 # Version 3.6.13 is needed to get PBKDF
1172 # Version 3.6.14 is needed to get HW accelerated XTS
1174 # If newer enough gnutls isn't available, we can
1175 # still use a different crypto backend to satisfy
1176 # the platform support requirements
1177 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1178 method: 'pkg-config',
1180 kwargs: static_kwargs)
1181 if gnutls_crypto.found()
1182 gnutls = gnutls_crypto
1184 # Our min version if all we need is TLS
1185 gnutls = dependency('gnutls', version: '>=3.5.18',
1186 method: 'pkg-config',
1187 required: get_option('gnutls'),
1188 kwargs: static_kwargs)
1192 # We prefer use of gnutls for crypto, unless the options
1193 # explicitly asked for nettle or gcrypt.
1195 # If gnutls isn't available for crypto, then we'll prefer
1196 # gcrypt over nettle for performance reasons.
1202 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1203 error('Only one of gcrypt & nettle can be enabled')
1206 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1207 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1208 gnutls_crypto = not_found
1211 if not gnutls_crypto.found()
1212 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1213 gcrypt = dependency('libgcrypt', version: '>=1.8',
1214 method: 'config-tool',
1215 required: get_option('gcrypt'),
1216 kwargs: static_kwargs)
1217 # Debian has removed -lgpg-error from libgcrypt-config
1218 # as it "spreads unnecessary dependencies" which in
1219 # turn breaks static builds...
1220 if gcrypt.found() and enable_static
1221 gcrypt = declare_dependency(dependencies: [
1223 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1227 nettle = dependency('nettle', version: '>=3.4',
1228 method: 'pkg-config',
1229 required: get_option('nettle'),
1230 kwargs: static_kwargs)
1231 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1237 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1238 if nettle.found() and gmp.found()
1239 hogweed = dependency('hogweed', version: '>=3.4',
1240 method: 'pkg-config',
1241 required: get_option('nettle'),
1242 kwargs: static_kwargs)
1249 if not get_option('gtk').auto() or have_system
1250 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1251 method: 'pkg-config',
1252 required: get_option('gtk'),
1253 kwargs: static_kwargs)
1255 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1256 method: 'pkg-config',
1258 kwargs: static_kwargs)
1259 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1261 if not get_option('vte').auto() or have_system
1262 vte = dependency('vte-2.91',
1263 method: 'pkg-config',
1264 required: get_option('vte'),
1265 kwargs: static_kwargs)
1272 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1273 kwargs: static_kwargs)
1276 if get_option('png').allowed() and have_system
1277 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1278 method: 'pkg-config', kwargs: static_kwargs)
1283 if get_option('vnc').allowed() and have_system
1284 vnc = declare_dependency() # dummy dependency
1285 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1286 method: 'pkg-config', kwargs: static_kwargs)
1287 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1288 required: get_option('vnc_sasl'),
1289 kwargs: static_kwargs)
1291 sasl = declare_dependency(dependencies: sasl,
1292 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1297 if not get_option('auth_pam').auto() or have_system
1298 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1299 required: get_option('auth_pam'),
1300 kwargs: static_kwargs)
1302 if pam.found() and not cc.links('''
1304 #include <security/pam_appl.h>
1306 const char *service_name = "qemu";
1307 const char *user = "frank";
1308 const struct pam_conv pam_conv = { 0 };
1309 pam_handle_t *pamh = NULL;
1310 pam_start(service_name, user, &pam_conv, &pamh);
1312 }''', dependencies: pam)
1314 if get_option('auth_pam').enabled()
1315 error('could not link libpam')
1317 warning('could not link libpam, disabling')
1322 if not get_option('snappy').auto() or have_system
1323 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1324 required: get_option('snappy'),
1325 kwargs: static_kwargs)
1327 if snappy.found() and not linker.links('''
1328 #include <snappy-c.h>
1329 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1331 if get_option('snappy').enabled()
1332 error('could not link libsnappy')
1334 warning('could not link libsnappy, disabling')
1339 if not get_option('lzo').auto() or have_system
1340 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1341 required: get_option('lzo'),
1342 kwargs: static_kwargs)
1344 if lzo.found() and not cc.links('''
1345 #include <lzo/lzo1x.h>
1346 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1348 if get_option('lzo').enabled()
1349 error('could not link liblzo2')
1351 warning('could not link liblzo2, disabling')
1356 if not get_option('numa').auto() or have_system or have_tools
1357 numa = cc.find_library('numa', has_headers: ['numa.h'],
1358 required: get_option('numa'),
1359 kwargs: static_kwargs)
1361 if numa.found() and not cc.links('''
1363 int main(void) { return numa_available(); }
1364 ''', dependencies: numa)
1366 if get_option('numa').enabled()
1367 error('could not link numa')
1369 warning('could not link numa, disabling')
1374 if not get_option('rdma').auto() or have_system
1375 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1376 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1377 required: get_option('rdma'),
1378 kwargs: static_kwargs),
1379 cc.find_library('ibverbs', required: get_option('rdma'),
1380 kwargs: static_kwargs),
1382 rdma = declare_dependency(dependencies: rdma_libs)
1383 foreach lib: rdma_libs
1391 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1392 xencontrol = dependency('xencontrol', required: false,
1393 method: 'pkg-config', kwargs: static_kwargs)
1394 if xencontrol.found()
1395 xen_pc = declare_dependency(version: xencontrol.version(),
1398 # disabler: true makes xen_pc.found() return false if any is not found
1399 dependency('xenstore', required: false,
1400 method: 'pkg-config', kwargs: static_kwargs,
1402 dependency('xenforeignmemory', required: false,
1403 method: 'pkg-config', kwargs: static_kwargs,
1405 dependency('xengnttab', required: false,
1406 method: 'pkg-config', kwargs: static_kwargs,
1408 dependency('xenevtchn', required: false,
1409 method: 'pkg-config', kwargs: static_kwargs,
1411 dependency('xendevicemodel', required: false,
1412 method: 'pkg-config', kwargs: static_kwargs,
1414 # optional, no "disabler: true"
1415 dependency('xentoolcore', required: false,
1416 method: 'pkg-config', kwargs: static_kwargs)])
1422 xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1424 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1425 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1426 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1427 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1428 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1429 '4.6.0': [ 'xenstore', 'xenctrl' ],
1430 '4.5.0': [ 'xenstore', 'xenctrl' ],
1431 '4.2.0': [ 'xenstore', 'xenctrl' ],
1434 foreach ver: xen_tests
1435 # cache the various library tests to avoid polluting the logs
1437 foreach l: xen_libs[ver]
1438 if l not in xen_deps
1439 xen_deps += { l: cc.find_library(l, required: false) }
1441 xen_test_deps += xen_deps[l]
1444 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1445 xen_version = ver.split('.')
1446 xen_ctrl_version = xen_version[0] + \
1447 ('0' + xen_version[1]).substring(-2) + \
1448 ('0' + xen_version[2]).substring(-2)
1449 if cc.links(files('scripts/xen-detect.c'),
1450 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1451 dependencies: xen_test_deps)
1452 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1458 accelerators += 'CONFIG_XEN'
1459 elif get_option('xen').enabled()
1460 error('could not compile and link Xen test program')
1463 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1464 .require(xen.found(),
1465 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1466 .require(targetos == 'linux',
1467 error_message: 'Xen PCI passthrough not available on this platform') \
1472 if not get_option('smartcard').auto() or have_system
1473 cacard = dependency('libcacard', required: get_option('smartcard'),
1474 version: '>=2.5.1', method: 'pkg-config',
1475 kwargs: static_kwargs)
1479 u2f = dependency('u2f-emu', required: get_option('u2f'),
1480 method: 'pkg-config',
1481 kwargs: static_kwargs)
1485 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1486 method: 'pkg-config',
1487 kwargs: static_kwargs)
1489 usbredir = not_found
1490 if not get_option('usb_redir').auto() or have_system
1491 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1492 version: '>=0.6', method: 'pkg-config',
1493 kwargs: static_kwargs)
1496 if not get_option('libusb').auto() or have_system
1497 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1498 version: '>=1.0.13', method: 'pkg-config',
1499 kwargs: static_kwargs)
1503 if not get_option('libpmem').auto() or have_system
1504 libpmem = dependency('libpmem', required: get_option('libpmem'),
1505 method: 'pkg-config', kwargs: static_kwargs)
1507 libdaxctl = not_found
1508 if not get_option('libdaxctl').auto() or have_system
1509 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1510 version: '>=57', method: 'pkg-config',
1511 kwargs: static_kwargs)
1515 tasn1 = dependency('libtasn1',
1516 method: 'pkg-config',
1517 kwargs: static_kwargs)
1519 keyutils = dependency('libkeyutils', required: false,
1520 method: 'pkg-config', kwargs: static_kwargs)
1522 has_gettid = cc.has_function('gettid')
1525 selinux = dependency('libselinux',
1526 required: get_option('selinux'),
1527 method: 'pkg-config', kwargs: static_kwargs)
1532 if get_option('malloc') == 'system'
1534 get_option('malloc_trim').allowed() and \
1535 cc.links('''#include <malloc.h>
1536 int main(void) { malloc_trim(0); return 0; }''')
1538 has_malloc_trim = false
1539 malloc = cc.find_library(get_option('malloc'), required: true)
1541 if not has_malloc_trim and get_option('malloc_trim').enabled()
1542 if get_option('malloc') == 'system'
1543 error('malloc_trim not available on this platform.')
1545 error('malloc_trim not available with non-libc memory allocator')
1549 # Check whether the glibc provides statx()
1551 gnu_source_prefix = '''
1556 statx_test = gnu_source_prefix + '''
1557 #include <sys/stat.h>
1559 struct statx statxbuf;
1560 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1564 has_statx = cc.links(statx_test)
1566 # Check whether statx() provides mount ID information
1568 statx_mnt_id_test = gnu_source_prefix + '''
1569 #include <sys/stat.h>
1571 struct statx statxbuf;
1572 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1573 return statxbuf.stx_mnt_id;
1576 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1578 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1579 .require(targetos == 'linux',
1580 error_message: 'vhost_user_blk_server requires linux') \
1581 .require(have_vhost_user,
1582 error_message: 'vhost_user_blk_server requires vhost-user support') \
1583 .disable_auto_if(not have_tools and not have_system) \
1586 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1587 error('Cannot enable fuse-lseek while fuse is disabled')
1590 fuse = dependency('fuse3', required: get_option('fuse'),
1591 version: '>=3.1', method: 'pkg-config',
1592 kwargs: static_kwargs)
1594 fuse_lseek = not_found
1595 if get_option('fuse_lseek').allowed()
1596 if fuse.version().version_compare('>=3.8')
1598 fuse_lseek = declare_dependency()
1599 elif get_option('fuse_lseek').enabled()
1601 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1603 error('fuse-lseek requires libfuse, which was not found')
1608 have_libvduse = (targetos == 'linux')
1609 if get_option('libvduse').enabled()
1610 if targetos != 'linux'
1611 error('libvduse requires linux')
1613 elif get_option('libvduse').disabled()
1614 have_libvduse = false
1617 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1618 if get_option('vduse_blk_export').enabled()
1619 if targetos != 'linux'
1620 error('vduse_blk_export requires linux')
1621 elif not have_libvduse
1622 error('vduse_blk_export requires libvduse support')
1624 elif get_option('vduse_blk_export').disabled()
1625 have_vduse_blk_export = false
1629 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1630 if libbpf.found() and not cc.links('''
1631 #include <bpf/libbpf.h>
1634 bpf_object__destroy_skeleton(NULL);
1636 }''', dependencies: libbpf)
1638 if get_option('bpf').enabled()
1639 error('libbpf skeleton test failed')
1641 warning('libbpf skeleton test failed, disabling')
1649 audio_drivers_selected = []
1651 audio_drivers_available = {
1652 'alsa': alsa.found(),
1653 'coreaudio': coreaudio.found(),
1654 'dsound': dsound.found(),
1655 'jack': jack.found(),
1657 'pa': pulse.found(),
1659 'sndio': sndio.found(),
1661 foreach k, v: audio_drivers_available
1662 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1665 # Default to native drivers first, OSS second, SDL third
1666 audio_drivers_priority = \
1667 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1668 (targetos == 'linux' ? [] : [ 'sdl' ])
1669 audio_drivers_default = []
1670 foreach k: audio_drivers_priority
1671 if audio_drivers_available[k]
1672 audio_drivers_default += k
1676 foreach k: get_option('audio_drv_list')
1678 audio_drivers_selected += audio_drivers_default
1679 elif not audio_drivers_available[k]
1680 error('Audio driver "@0@" not available.'.format(k))
1682 audio_drivers_selected += k
1686 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1687 '"' + '", "'.join(audio_drivers_selected) + '", ')
1689 if get_option('cfi')
1691 # Check for dependency on LTO
1692 if not get_option('b_lto')
1693 error('Selected Control-Flow Integrity but LTO is disabled')
1695 if config_host.has_key('CONFIG_MODULES')
1696 error('Selected Control-Flow Integrity is not compatible with modules')
1698 # Check for cfi flags. CFI requires LTO so we can't use
1699 # get_supported_arguments, but need a more complex "compiles" which allows
1701 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1702 args: ['-flto', '-fsanitize=cfi-icall'] )
1703 cfi_flags += '-fsanitize=cfi-icall'
1705 error('-fsanitize=cfi-icall is not supported by the compiler')
1707 if cc.compiles('int main () { return 0; }',
1708 name: '-fsanitize-cfi-icall-generalize-pointers',
1709 args: ['-flto', '-fsanitize=cfi-icall',
1710 '-fsanitize-cfi-icall-generalize-pointers'] )
1711 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1713 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1715 if get_option('cfi_debug')
1716 if cc.compiles('int main () { return 0; }',
1717 name: '-fno-sanitize-trap=cfi-icall',
1718 args: ['-flto', '-fsanitize=cfi-icall',
1719 '-fno-sanitize-trap=cfi-icall'] )
1720 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1722 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1725 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1726 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1729 have_host_block_device = (targetos != 'darwin' or
1730 cc.has_header('IOKit/storage/IOMedia.h'))
1732 dbus_display = get_option('dbus_display') \
1733 .require(gio.version().version_compare('>=2.64'),
1734 error_message: '-display dbus requires glib>=2.64') \
1735 .require(gdbus_codegen.found(),
1736 error_message: gdbus_codegen_error.format('-display dbus')) \
1737 .require(opengl.found() and gbm.found(),
1738 error_message: '-display dbus requires epoxy/egl and gbm') \
1741 have_virtfs = get_option('virtfs') \
1742 .require(targetos == 'linux' or targetos == 'darwin',
1743 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1744 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1745 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1746 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1747 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1748 .disable_auto_if(not have_tools and not have_system) \
1751 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1753 if get_option('block_drv_ro_whitelist') == ''
1754 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1756 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1757 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1759 if get_option('block_drv_rw_whitelist') == ''
1760 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1762 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1763 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1766 foreach k : get_option('trace_backends')
1767 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1769 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1770 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1772 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1774 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1775 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1776 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1777 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1778 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1780 qemu_firmwarepath = ''
1781 foreach k : get_option('qemu_firmwarepath')
1782 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1784 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1786 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1787 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1788 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1789 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1790 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1791 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1793 if config_host.has_key('CONFIG_MODULES')
1794 config_host_data.set('CONFIG_STAMP', run_command(
1795 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1796 meson.project_version(), get_option('pkgversion'), '--',
1797 meson.current_source_dir() / 'configure',
1798 capture: true, check: true).stdout().strip())
1801 have_slirp_smbd = get_option('slirp_smbd') \
1802 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1805 smbd_path = get_option('smbd')
1807 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1809 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1812 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1814 if get_option('module_upgrades') and not enable_modules
1815 error('Cannot enable module-upgrades as modules are not enabled')
1817 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1819 config_host_data.set('CONFIG_ATTR', libattr.found())
1820 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1821 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1822 config_host_data.set('CONFIG_COCOA', cocoa.found())
1823 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1824 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1825 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1826 config_host_data.set('CONFIG_LZO', lzo.found())
1827 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1828 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1829 config_host_data.set('CONFIG_BLKIO', blkio.found())
1830 config_host_data.set('CONFIG_CURL', curl.found())
1831 config_host_data.set('CONFIG_CURSES', curses.found())
1832 config_host_data.set('CONFIG_GBM', gbm.found())
1833 config_host_data.set('CONFIG_GIO', gio.found())
1834 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1835 if glusterfs.found()
1836 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1837 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1838 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1839 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1840 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1841 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1843 config_host_data.set('CONFIG_GTK', gtk.found())
1844 config_host_data.set('CONFIG_VTE', vte.found())
1845 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1846 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1847 config_host_data.set('CONFIG_EBPF', libbpf.found())
1848 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1849 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1850 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1851 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1852 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1853 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1854 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1855 config_host_data.set('CONFIG_NUMA', numa.found())
1856 config_host_data.set('CONFIG_OPENGL', opengl.found())
1857 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1858 config_host_data.set('CONFIG_RBD', rbd.found())
1859 config_host_data.set('CONFIG_RDMA', rdma.found())
1860 config_host_data.set('CONFIG_SDL', sdl.found())
1861 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1862 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1864 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1866 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1867 config_host_data.set('CONFIG_TPM', have_tpm)
1868 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1869 config_host_data.set('CONFIG_VDE', vde.found())
1870 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1871 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1872 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1873 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1874 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1875 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1876 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1877 config_host_data.set('CONFIG_VMNET', vmnet.found())
1878 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1879 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1880 config_host_data.set('CONFIG_PNG', png.found())
1881 config_host_data.set('CONFIG_VNC', vnc.found())
1882 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1883 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1884 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1885 config_host_data.set('CONFIG_VTE', vte.found())
1886 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1887 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1888 config_host_data.set('CONFIG_GETTID', has_gettid)
1889 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1890 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1891 config_host_data.set('CONFIG_TASN1', tasn1.found())
1892 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1893 config_host_data.set('CONFIG_NETTLE', nettle.found())
1894 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1895 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1896 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1897 config_host_data.set('CONFIG_STATX', has_statx)
1898 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1899 config_host_data.set('CONFIG_ZSTD', zstd.found())
1900 config_host_data.set('CONFIG_FUSE', fuse.found())
1901 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1902 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1903 if spice_protocol.found()
1904 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1905 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1906 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1908 config_host_data.set('CONFIG_SPICE', spice.found())
1909 config_host_data.set('CONFIG_X11', x11.found())
1910 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1911 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1912 config_host_data.set('CONFIG_SELINUX', selinux.found())
1913 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1915 # protect from xen.version() having less than three components
1916 xen_version = xen.version().split('.') + ['0', '0']
1917 xen_ctrl_version = xen_version[0] + \
1918 ('0' + xen_version[1]).substring(-2) + \
1919 ('0' + xen_version[2]).substring(-2)
1920 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1922 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1923 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1924 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1925 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1927 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1928 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1930 have_coroutine_pool = get_option('coroutine_pool')
1931 if get_option('debug_stack_usage') and have_coroutine_pool
1932 message('Disabling coroutine pool to measure stack usage')
1933 have_coroutine_pool = false
1935 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1936 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1937 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1938 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1939 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1940 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1941 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1944 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1945 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1946 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1947 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1948 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1949 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1950 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1951 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1952 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1953 if targetos == 'windows'
1954 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1958 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1959 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1960 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1961 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1962 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1963 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1964 # Note that we need to specify prefix: here to avoid incorrectly
1965 # thinking that Windows has posix_memalign()
1966 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1967 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1968 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1969 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1970 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1971 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1972 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1973 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1974 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1975 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1976 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1977 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1978 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1979 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1980 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1981 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1982 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1984 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1985 cc.has_function('rbd_namespace_exists',
1987 prefix: '#include <rbd/librbd.h>'))
1990 config_host_data.set('HAVE_IBV_ADVISE_MR',
1991 cc.has_function('ibv_advise_mr',
1993 prefix: '#include <infiniband/verbs.h>'))
1997 config_host_data.set('CONFIG_BYTESWAP_H',
1998 cc.has_header_symbol('byteswap.h', 'bswap_32'))
1999 config_host_data.set('CONFIG_EPOLL_CREATE1',
2000 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2001 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2002 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2003 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2004 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2005 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2006 config_host_data.set('CONFIG_FIEMAP',
2007 cc.has_header('linux/fiemap.h') and
2008 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2009 config_host_data.set('CONFIG_GETRANDOM',
2010 cc.has_function('getrandom') and
2011 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2012 config_host_data.set('CONFIG_INOTIFY',
2013 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2014 config_host_data.set('CONFIG_INOTIFY1',
2015 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2016 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2017 cc.has_header_symbol('machine/bswap.h', 'bswap32',
2018 prefix: '''#include <sys/endian.h>
2019 #include <sys/types.h>'''))
2020 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2021 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2022 config_host_data.set('CONFIG_RTNETLINK',
2023 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2024 config_host_data.set('CONFIG_SYSMACROS',
2025 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2026 config_host_data.set('HAVE_OPTRESET',
2027 cc.has_header_symbol('getopt.h', 'optreset'))
2028 config_host_data.set('HAVE_IPPROTO_MPTCP',
2029 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2030 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2031 cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2034 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2035 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2036 prefix: '#include <signal.h>'))
2037 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2038 cc.has_member('struct stat', 'st_atim',
2039 prefix: '#include <sys/stat.h>'))
2042 config_host_data.set('CONFIG_IOVEC',
2043 cc.has_type('struct iovec',
2044 prefix: '#include <sys/uio.h>'))
2045 config_host_data.set('HAVE_UTMPX',
2046 cc.has_type('struct utmpx',
2047 prefix: '#include <utmpx.h>'))
2049 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2050 #include <sys/eventfd.h>
2051 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2052 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2055 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2056 return fdatasync(0);
2058 #error Not supported
2062 has_madvise = cc.links(gnu_source_prefix + '''
2063 #include <sys/types.h>
2064 #include <sys/mman.h>
2066 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2067 missing_madvise_proto = false
2069 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2070 # but forget to prototype it. In this case, has_madvise will be true (the
2071 # test program links despite a compile warning). To detect the
2072 # missing-prototype case, we try again with a definitely-bogus prototype.
2073 # This will only compile if the system headers don't provide the prototype;
2074 # otherwise the conflicting prototypes will cause a compiler error.
2075 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2076 #include <sys/types.h>
2077 #include <sys/mman.h>
2079 extern int madvise(int);
2080 int main(void) { return madvise(0); }''')
2082 config_host_data.set('CONFIG_MADVISE', has_madvise)
2083 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2085 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2086 #include <sys/mman.h>
2087 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2088 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2090 #if !defined(AT_EMPTY_PATH)
2091 # error missing definition
2093 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2095 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2096 #include <sys/mman.h>
2098 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2100 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2101 #include <pthread.h>
2103 static void *f(void *p) { return NULL; }
2107 pthread_create(&thread, 0, f, 0);
2108 pthread_setname_np(thread, "QEMU");
2110 }''', dependencies: threads))
2111 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2112 #include <pthread.h>
2114 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2118 pthread_create(&thread, 0, f, 0);
2120 }''', dependencies: threads))
2121 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2122 #include <pthread.h>
2127 pthread_condattr_t attr
2128 pthread_condattr_init(&attr);
2129 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2131 }''', dependencies: threads))
2132 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2133 #include <pthread.h>
2135 static void *f(void *p) { return NULL; }
2138 int setsize = CPU_ALLOC_SIZE(64);
2141 pthread_create(&thread, 0, f, 0);
2142 cpuset = CPU_ALLOC(64);
2143 CPU_ZERO_S(setsize, cpuset);
2144 pthread_setaffinity_np(thread, setsize, cpuset);
2145 pthread_getaffinity_np(thread, setsize, cpuset);
2148 }''', dependencies: threads))
2149 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2150 #include <sys/signalfd.h>
2152 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2153 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2161 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2162 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2166 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2167 #include <sys/mman.h>
2169 return mlockall(MCL_FUTURE);
2173 if get_option('l2tpv3').allowed() and have_system
2174 have_l2tpv3 = cc.has_type('struct mmsghdr',
2175 prefix: gnu_source_prefix + '''
2176 #include <sys/socket.h>
2177 #include <linux/ip.h>''')
2179 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2182 if get_option('netmap').allowed() and have_system
2183 have_netmap = cc.compiles('''
2184 #include <inttypes.h>
2186 #include <net/netmap.h>
2187 #include <net/netmap_user.h>
2188 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2191 int main(void) { return 0; }''')
2192 if not have_netmap and get_option('netmap').enabled()
2193 error('Netmap headers not available')
2196 config_host_data.set('CONFIG_NETMAP', have_netmap)
2198 # Work around a system header bug with some kernel/XFS header
2199 # versions where they both try to define 'struct fsxattr':
2200 # xfs headers will not try to redefine structs from linux headers
2201 # if this macro is set.
2202 config_host_data.set('HAVE_FSXATTR', cc.links('''
2203 #include <linux/fs.h>
2209 # Some versions of Mac OS X incorrectly define SIZE_MAX
2210 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2214 return printf("%zu", SIZE_MAX);
2215 }''', args: ['-Werror']))
2222 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2223 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2224 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2225 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2226 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2230 # See if 64-bit atomic operations are supported.
2231 # Note that without __atomic builtins, we can only
2232 # assume atomic loads/stores max at pointer size.
2233 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2235 has_int128 = cc.links('''
2245 config_host_data.set('CONFIG_INT128', has_int128)
2248 # "do we have 128-bit atomics which are handled inline and specifically not
2249 # via libatomic". The reason we can't use libatomic is documented in the
2250 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2251 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2253 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2255 if not has_atomic128
2256 has_cmpxchg128 = cc.links('''
2259 unsigned __int128 x = 0, y = 0;
2260 __sync_val_compare_and_swap_16(&x, y, x);
2265 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2269 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2270 #include <sys/auxv.h>
2272 return getauxval(AT_HWCAP) == 0;
2275 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2276 #include <linux/usbdevice_fs.h>
2278 #ifndef USBDEVFS_GET_CAPABILITIES
2279 #error "USBDEVFS_GET_CAPABILITIES undefined"
2282 #ifndef USBDEVFS_DISCONNECT_CLAIM
2283 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2286 int main(void) { return 0; }'''))
2288 have_keyring = get_option('keyring') \
2289 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2290 .require(cc.compiles('''
2292 #include <asm/unistd.h>
2293 #include <linux/keyctl.h>
2294 #include <sys/syscall.h>
2297 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2298 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2299 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2301 have_cpuid_h = cc.links('''
2304 unsigned a, b, c, d;
2305 unsigned max = __get_cpuid_max(0, 0);
2308 __cpuid(1, a, b, c, d);
2312 __cpuid_count(7, 0, a, b, c, d);
2317 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2319 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2320 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2321 .require(cc.links('''
2322 #pragma GCC push_options
2323 #pragma GCC target("avx2")
2325 #include <immintrin.h>
2326 static int bar(void *a) {
2327 __m256i x = *(__m256i *)a;
2328 return _mm256_testz_si256(x, x);
2330 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2331 '''), error_message: 'AVX2 not available').allowed())
2333 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2334 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2335 .require(cc.links('''
2336 #pragma GCC push_options
2337 #pragma GCC target("avx512f")
2339 #include <immintrin.h>
2340 static int bar(void *a) {
2341 __m512i x = *(__m512i *)a;
2342 return _mm512_test_epi64_mask(x, x);
2344 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2345 '''), error_message: 'AVX512F not available').allowed())
2347 have_pvrdma = get_option('pvrdma') \
2348 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2349 .require(cc.compiles(gnu_source_prefix + '''
2350 #include <sys/mman.h>
2355 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2358 }'''), error_message: 'PVRDMA requires mremap').allowed()
2361 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2362 #include <infiniband/verbs.h>
2366 struct ibv_pd *pd = NULL;
2372 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2378 if get_option('membarrier').disabled()
2379 have_membarrier = false
2380 elif targetos == 'windows'
2381 have_membarrier = true
2382 elif targetos == 'linux'
2383 have_membarrier = cc.compiles('''
2384 #include <linux/membarrier.h>
2385 #include <sys/syscall.h>
2389 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2390 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2394 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2395 .require(have_membarrier, error_message: 'membarrier system call not available') \
2398 have_afalg = get_option('crypto_afalg') \
2399 .require(cc.compiles(gnu_source_prefix + '''
2401 #include <sys/types.h>
2402 #include <sys/socket.h>
2403 #include <linux/if_alg.h>
2406 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2409 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2410 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2412 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2413 'linux/vm_sockets.h', 'AF_VSOCK',
2414 prefix: '#include <sys/socket.h>',
2418 have_vss_sdk = false # old xp/2003 SDK
2419 if targetos == 'windows' and link_language == 'cpp'
2420 have_vss = cxx.compiles('''
2421 #define __MIDL_user_allocate_free_DEFINED__
2423 int main(void) { return VSS_CTX_BACKUP; }''')
2424 have_vss_sdk = cxx.has_header('vscoordint.h')
2426 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2428 foreach k, v: config_host
2429 if k.startswith('CONFIG_')
2430 config_host_data.set(k, v == 'y' ? 1 : v)
2434 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2435 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2436 if targetos == 'windows'
2437 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2443 }''', name: '_lock_file and _unlock_file'))
2446 ########################
2447 # Target configuration #
2448 ########################
2450 minikconf = find_program('scripts/minikconf.py')
2452 config_all_devices = {}
2453 config_all_disas = {}
2454 config_devices_mak_list = []
2455 config_devices_h = {}
2456 config_target_h = {}
2457 config_target_mak = {}
2460 'alpha' : ['CONFIG_ALPHA_DIS'],
2461 'avr' : ['CONFIG_AVR_DIS'],
2462 'cris' : ['CONFIG_CRIS_DIS'],
2463 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2464 'hppa' : ['CONFIG_HPPA_DIS'],
2465 'i386' : ['CONFIG_I386_DIS'],
2466 'x86_64' : ['CONFIG_I386_DIS'],
2467 'm68k' : ['CONFIG_M68K_DIS'],
2468 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2469 'mips' : ['CONFIG_MIPS_DIS'],
2470 'nios2' : ['CONFIG_NIOS2_DIS'],
2471 'or1k' : ['CONFIG_OPENRISC_DIS'],
2472 'ppc' : ['CONFIG_PPC_DIS'],
2473 'riscv' : ['CONFIG_RISCV_DIS'],
2474 'rx' : ['CONFIG_RX_DIS'],
2475 's390' : ['CONFIG_S390_DIS'],
2476 'sh4' : ['CONFIG_SH4_DIS'],
2477 'sparc' : ['CONFIG_SPARC_DIS'],
2478 'xtensa' : ['CONFIG_XTENSA_DIS'],
2479 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2481 if link_language == 'cpp'
2483 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2487 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2489 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2490 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2491 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2492 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2493 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2494 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2495 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2496 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2497 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2498 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2499 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2500 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2501 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2502 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2504 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2506 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2507 actual_target_dirs = []
2509 foreach target : target_dirs
2510 config_target = { 'TARGET_NAME': target.split('-')[0] }
2511 if target.endswith('linux-user')
2512 if targetos != 'linux'
2516 error('Target @0@ is only available on a Linux host'.format(target))
2518 config_target += { 'CONFIG_LINUX_USER': 'y' }
2519 elif target.endswith('bsd-user')
2520 if 'CONFIG_BSD' not in config_host
2524 error('Target @0@ is only available on a BSD host'.format(target))
2526 config_target += { 'CONFIG_BSD_USER': 'y' }
2527 elif target.endswith('softmmu')
2528 config_target += { 'CONFIG_SOFTMMU': 'y' }
2530 if target.endswith('-user')
2532 'CONFIG_USER_ONLY': 'y',
2533 'CONFIG_QEMU_INTERP_PREFIX':
2534 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2539 foreach sym: accelerators
2540 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2541 config_target += { sym: 'y' }
2542 config_all += { sym: 'y' }
2543 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2544 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2546 if target in modular_tcg
2547 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2549 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2551 accel_kconfig += [ sym + '=y' ]
2554 if accel_kconfig.length() == 0
2558 error('No accelerator available for target @0@'.format(target))
2561 actual_target_dirs += target
2562 config_target += keyval.load('configs/targets' / target + '.mak')
2563 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2565 if 'TARGET_NEED_FDT' in config_target
2566 fdt_required += target
2570 if 'TARGET_BASE_ARCH' not in config_target
2571 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2573 if 'TARGET_ABI_DIR' not in config_target
2574 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2576 if 'TARGET_BIG_ENDIAN' not in config_target
2577 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2580 foreach k, v: disassemblers
2581 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2583 config_target += { sym: 'y' }
2584 config_all_disas += { sym: 'y' }
2589 config_target_data = configuration_data()
2590 foreach k, v: config_target
2591 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2593 elif ignored.contains(k)
2595 elif k == 'TARGET_BASE_ARCH'
2596 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2597 # not used to select files from sourcesets.
2598 config_target_data.set('TARGET_' + v.to_upper(), 1)
2599 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2600 config_target_data.set_quoted(k, v)
2602 config_target_data.set(k, 1)
2604 config_target_data.set(k, 0)
2606 config_target_data.set(k, v)
2609 config_target_data.set('QEMU_ARCH',
2610 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2611 config_target_h += {target: configure_file(output: target + '-config-target.h',
2612 configuration: config_target_data)}
2614 if target.endswith('-softmmu')
2615 config_input = meson.get_external_property(target, 'default')
2616 config_devices_mak = target + '-config-devices.mak'
2617 config_devices_mak = configure_file(
2618 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2619 output: config_devices_mak,
2620 depfile: config_devices_mak + '.d',
2622 command: [minikconf,
2623 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2624 config_devices_mak, '@DEPFILE@', '@INPUT@',
2625 host_kconfig, accel_kconfig,
2626 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2628 config_devices_data = configuration_data()
2629 config_devices = keyval.load(config_devices_mak)
2630 foreach k, v: config_devices
2631 config_devices_data.set(k, 1)
2633 config_devices_mak_list += config_devices_mak
2634 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2635 configuration: config_devices_data)}
2636 config_target += config_devices
2637 config_all_devices += config_devices
2639 config_target_mak += {target: config_target}
2641 target_dirs = actual_target_dirs
2643 # This configuration is used to build files that are shared by
2644 # multiple binaries, and then extracted out of the "common"
2645 # static_library target.
2647 # We do not use all_sources()/all_dependencies(), because it would
2648 # build literally all source files, including devices only used by
2649 # targets that are not built for this compilation. The CONFIG_ALL
2650 # pseudo symbol replaces it.
2652 config_all += config_all_devices
2653 config_all += config_host
2654 config_all += config_all_disas
2656 'CONFIG_XEN': xen.found(),
2657 'CONFIG_SOFTMMU': have_system,
2658 'CONFIG_USER_ONLY': have_user,
2662 target_configs_h = []
2663 foreach target: target_dirs
2664 target_configs_h += config_target_h[target]
2665 target_configs_h += config_devices_h.get(target, [])
2667 genh += custom_target('config-poison.h',
2668 input: [target_configs_h],
2669 output: 'config-poison.h',
2671 command: [find_program('scripts/make-config-poison.sh'),
2678 capstone = not_found
2679 if not get_option('capstone').auto() or have_system or have_user
2680 capstone = dependency('capstone', version: '>=3.0.5',
2681 kwargs: static_kwargs, method: 'pkg-config',
2682 required: get_option('capstone'))
2684 # Some versions of capstone have broken pkg-config file
2685 # that reports a wrong -I path, causing the #include to
2686 # fail later. If the system has such a broken version
2688 if capstone.found() and not cc.compiles('#include <capstone.h>',
2689 dependencies: [capstone])
2690 capstone = not_found
2691 if get_option('capstone').enabled()
2692 error('capstone requested, but it does not appear to work')
2697 libvfio_user_dep = not_found
2698 if have_system and vfio_user_server_allowed
2699 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2701 if not have_internal
2702 error('libvfio-user source not found - please pull git submodule')
2705 libvfio_user_proj = subproject('libvfio-user')
2707 libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2709 libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2714 fdt_opt = get_option('fdt')
2715 if fdt_opt in ['enabled', 'auto', 'system']
2716 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2717 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2718 required: fdt_opt == 'system' or
2719 fdt_opt == 'enabled' and not have_internal)
2720 if fdt.found() and cc.links('''
2722 #include <libfdt_env.h>
2723 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2726 elif fdt_opt == 'system'
2727 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2729 fdt_opt = 'internal'
2731 fdt_opt = 'disabled'
2735 if fdt_opt == 'internal'
2738 'dtc/libfdt/fdt_ro.c',
2739 'dtc/libfdt/fdt_wip.c',
2740 'dtc/libfdt/fdt_sw.c',
2741 'dtc/libfdt/fdt_rw.c',
2742 'dtc/libfdt/fdt_strerror.c',
2743 'dtc/libfdt/fdt_empty_tree.c',
2744 'dtc/libfdt/fdt_addresses.c',
2745 'dtc/libfdt/fdt_overlay.c',
2746 'dtc/libfdt/fdt_check.c',
2749 fdt_inc = include_directories('dtc/libfdt')
2750 libfdt = static_library('fdt',
2751 build_by_default: false,
2753 include_directories: fdt_inc)
2754 fdt = declare_dependency(link_with: libfdt,
2755 include_directories: fdt_inc)
2758 fdt_opt = 'disabled'
2760 if not fdt.found() and fdt_required.length() > 0
2761 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2764 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2765 config_host_data.set('CONFIG_FDT', fdt.found())
2766 config_host_data.set('CONFIG_SLIRP', slirp.found())
2768 #####################
2769 # Generated sources #
2770 #####################
2772 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2774 hxtool = find_program('scripts/hxtool')
2775 shaderinclude = find_program('scripts/shaderinclude.pl')
2776 qapi_gen = find_program('scripts/qapi-gen.py')
2777 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2778 meson.current_source_dir() / 'scripts/qapi/commands.py',
2779 meson.current_source_dir() / 'scripts/qapi/common.py',
2780 meson.current_source_dir() / 'scripts/qapi/error.py',
2781 meson.current_source_dir() / 'scripts/qapi/events.py',
2782 meson.current_source_dir() / 'scripts/qapi/expr.py',
2783 meson.current_source_dir() / 'scripts/qapi/gen.py',
2784 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2785 meson.current_source_dir() / 'scripts/qapi/parser.py',
2786 meson.current_source_dir() / 'scripts/qapi/schema.py',
2787 meson.current_source_dir() / 'scripts/qapi/source.py',
2788 meson.current_source_dir() / 'scripts/qapi/types.py',
2789 meson.current_source_dir() / 'scripts/qapi/visit.py',
2790 meson.current_source_dir() / 'scripts/qapi/common.py',
2791 meson.current_source_dir() / 'scripts/qapi-gen.py'
2795 python, files('scripts/tracetool.py'),
2796 '--backend=' + ','.join(get_option('trace_backends'))
2798 tracetool_depends = files(
2799 'scripts/tracetool/backend/log.py',
2800 'scripts/tracetool/backend/__init__.py',
2801 'scripts/tracetool/backend/dtrace.py',
2802 'scripts/tracetool/backend/ftrace.py',
2803 'scripts/tracetool/backend/simple.py',
2804 'scripts/tracetool/backend/syslog.py',
2805 'scripts/tracetool/backend/ust.py',
2806 'scripts/tracetool/format/ust_events_c.py',
2807 'scripts/tracetool/format/ust_events_h.py',
2808 'scripts/tracetool/format/__init__.py',
2809 'scripts/tracetool/format/d.py',
2810 'scripts/tracetool/format/simpletrace_stap.py',
2811 'scripts/tracetool/format/c.py',
2812 'scripts/tracetool/format/h.py',
2813 'scripts/tracetool/format/log_stap.py',
2814 'scripts/tracetool/format/stap.py',
2815 'scripts/tracetool/__init__.py',
2816 'scripts/tracetool/transform.py',
2817 'scripts/tracetool/vcpu.py'
2820 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2821 meson.current_source_dir(),
2822 get_option('pkgversion'), meson.project_version()]
2823 qemu_version = custom_target('qemu-version.h',
2824 output: 'qemu-version.h',
2825 command: qemu_version_cmd,
2827 build_by_default: true,
2828 build_always_stale: true)
2829 genh += qemu_version
2833 ['qemu-options.hx', 'qemu-options.def'],
2834 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2838 ['hmp-commands.hx', 'hmp-commands.h'],
2839 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2842 foreach d : hx_headers
2843 hxdep += custom_target(d[1],
2847 build_by_default: true, # to be removed when added to a target
2848 command: [hxtool, '-h', '@INPUT0@'])
2856 authz_ss = ss.source_set()
2857 blockdev_ss = ss.source_set()
2858 block_ss = ss.source_set()
2859 chardev_ss = ss.source_set()
2860 common_ss = ss.source_set()
2861 crypto_ss = ss.source_set()
2862 hwcore_ss = ss.source_set()
2863 io_ss = ss.source_set()
2864 qmp_ss = ss.source_set()
2865 qom_ss = ss.source_set()
2866 softmmu_ss = ss.source_set()
2867 specific_fuzz_ss = ss.source_set()
2868 specific_ss = ss.source_set()
2869 stub_ss = ss.source_set()
2870 trace_ss = ss.source_set()
2871 user_ss = ss.source_set()
2872 util_ss = ss.source_set()
2875 qtest_module_ss = ss.source_set()
2876 tcg_module_ss = ss.source_set()
2882 target_softmmu_arch = {}
2883 target_user_arch = {}
2889 # TODO: add each directory to the subdirs from its own meson.build, once
2891 trace_events_subdirs = [
2900 trace_events_subdirs += [ 'linux-user' ]
2903 trace_events_subdirs += [ 'bsd-user' ]
2906 trace_events_subdirs += [
2915 trace_events_subdirs += [
2929 'hw/block/dataplane',
2978 if have_system or have_user
2979 trace_events_subdirs += [
2997 vhost_user = not_found
2998 if targetos == 'linux' and have_vhost_user
2999 libvhost_user = subproject('libvhost-user')
3000 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3003 libvduse = not_found
3005 libvduse_proj = subproject('libvduse')
3006 libvduse = libvduse_proj.get_variable('libvduse_dep')
3009 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3010 # that is filled in by qapi/.
3025 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3026 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3029 qom_ss = qom_ss.apply(config_host, strict: false)
3030 libqom = static_library('qom', qom_ss.sources() + genh,
3031 dependencies: [qom_ss.dependencies()],
3033 qom = declare_dependency(link_whole: libqom)
3035 event_loop_base = files('event-loop-base.c')
3036 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3037 build_by_default: true)
3038 event_loop_base = declare_dependency(link_whole: event_loop_base,
3039 dependencies: [qom])
3041 stub_ss = stub_ss.apply(config_all, strict: false)
3043 util_ss.add_all(trace_ss)
3044 util_ss = util_ss.apply(config_all, strict: false)
3045 libqemuutil = static_library('qemuutil',
3046 sources: util_ss.sources() + stub_ss.sources() + genh,
3047 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3048 qemuutil = declare_dependency(link_with: libqemuutil,
3049 sources: genh + version_res,
3050 dependencies: [event_loop_base])
3052 if have_system or have_user
3053 decodetree = generator(find_program('scripts/decodetree.py'),
3054 output: 'decode-@BASENAME@.c.inc',
3055 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3056 subdir('libdecnumber')
3073 if config_host_data.get('CONFIG_REPLICATION')
3074 block_ss.add(files('replication.c'))
3081 blockdev_ss.add(files(
3088 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3089 # os-win32.c does not
3090 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3091 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3094 common_ss.add(files('cpus-common.c'))
3098 common_ss.add(capstone)
3099 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3101 # Work around a gcc bug/misfeature wherein constant propagation looks
3103 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3104 # to guess that a const variable is always zero. Without lto, this is
3105 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3106 # without lto, not even the alias is required -- we simply use different
3107 # declarations in different compilation units.
3108 pagevary = files('page-vary-common.c')
3109 if get_option('b_lto')
3110 pagevary_flags = ['-fno-lto']
3111 if get_option('cfi')
3112 pagevary_flags += '-fno-sanitize=cfi-icall'
3114 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3115 c_args: pagevary_flags)
3116 pagevary = declare_dependency(link_with: pagevary)
3118 common_ss.add(pagevary)
3119 specific_ss.add(files('page-vary.c'))
3127 subdir('semihosting')
3134 common_user_inc = []
3136 subdir('common-user')
3138 subdir('linux-user')
3140 # needed for fuzzing binaries
3141 subdir('tests/qtest/libqos')
3142 subdir('tests/qtest/fuzz')
3145 tcg_real_module_ss = ss.source_set()
3146 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3147 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3148 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3149 'tcg': tcg_real_module_ss }}
3151 ########################
3152 # Library dependencies #
3153 ########################
3155 modinfo_collect = find_program('scripts/modinfo-collect.py')
3156 modinfo_generate = find_program('scripts/modinfo-generate.py')
3161 foreach d, list : modules
3162 foreach m, module_ss : list
3163 if enable_modules and targetos != 'windows'
3164 module_ss = module_ss.apply(config_all, strict: false)
3165 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3166 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3172 if module_ss.sources() != []
3173 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3174 # input. Sources can be used multiple times but objects are
3175 # unique when it comes to lookup in compile_commands.json.
3176 # Depnds on a mesion version with
3177 # https://github.com/mesonbuild/meson/pull/8900
3178 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3179 output: d + '-' + m + '.modinfo',
3180 input: module_ss.sources() + genh,
3182 command: [modinfo_collect, module_ss.sources()])
3186 block_ss.add_all(module_ss)
3188 softmmu_ss.add_all(module_ss)
3194 foreach d, list : target_modules
3195 foreach m, module_ss : list
3196 if enable_modules and targetos != 'windows'
3197 foreach target : target_dirs
3198 if target.endswith('-softmmu')
3199 config_target = config_target_mak[target]
3200 config_target += config_host
3201 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3202 c_args = ['-DNEED_CPU_H',
3203 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3204 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3205 target_module_ss = module_ss.apply(config_target, strict: false)
3206 if target_module_ss.sources() != []
3207 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3208 sl = static_library(module_name,
3209 [genh, target_module_ss.sources()],
3210 dependencies: [modulecommon, target_module_ss.dependencies()],
3211 include_directories: target_inc,
3215 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3216 modinfo_files += custom_target(module_name + '.modinfo',
3217 output: module_name + '.modinfo',
3218 input: target_module_ss.sources() + genh,
3220 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3225 specific_ss.add_all(module_ss)
3231 foreach target : target_dirs
3232 if target.endswith('-softmmu')
3233 config_target = config_target_mak[target]
3234 config_devices_mak = target + '-config-devices.mak'
3235 modinfo_src = custom_target('modinfo-' + target + '.c',
3236 output: 'modinfo-' + target + '.c',
3237 input: modinfo_files,
3238 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3241 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3242 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3244 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3245 hw_arch[arch].add(modinfo_dep)
3250 nm = find_program('nm')
3251 undefsym = find_program('scripts/undefsym.py')
3252 block_syms = custom_target('block.syms', output: 'block.syms',
3253 input: [libqemuutil, block_mods],
3255 command: [undefsym, nm, '@INPUT@'])
3256 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3257 input: [libqemuutil, softmmu_mods],
3259 command: [undefsym, nm, '@INPUT@'])
3261 authz_ss = authz_ss.apply(config_host, strict: false)
3262 libauthz = static_library('authz', authz_ss.sources() + genh,
3263 dependencies: [authz_ss.dependencies()],
3265 build_by_default: false)
3267 authz = declare_dependency(link_whole: libauthz,
3270 crypto_ss = crypto_ss.apply(config_host, strict: false)
3271 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3272 dependencies: [crypto_ss.dependencies()],
3274 build_by_default: false)
3276 crypto = declare_dependency(link_whole: libcrypto,
3277 dependencies: [authz, qom])
3279 io_ss = io_ss.apply(config_host, strict: false)
3280 libio = static_library('io', io_ss.sources() + genh,
3281 dependencies: [io_ss.dependencies()],
3282 link_with: libqemuutil,
3284 build_by_default: false)
3286 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3288 libmigration = static_library('migration', sources: migration_files + genh,
3290 build_by_default: false)
3291 migration = declare_dependency(link_with: libmigration,
3292 dependencies: [zlib, qom, io])
3293 softmmu_ss.add(migration)
3295 block_ss = block_ss.apply(config_host, strict: false)
3296 libblock = static_library('block', block_ss.sources() + genh,
3297 dependencies: block_ss.dependencies(),
3298 link_depends: block_syms,
3300 build_by_default: false)
3302 block = declare_dependency(link_whole: [libblock],
3303 link_args: '@block.syms',
3304 dependencies: [crypto, io])
3306 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3307 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3308 dependencies: blockdev_ss.dependencies(),
3310 build_by_default: false)
3312 blockdev = declare_dependency(link_whole: [libblockdev],
3313 dependencies: [block, event_loop_base])
3315 qmp_ss = qmp_ss.apply(config_host, strict: false)
3316 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3317 dependencies: qmp_ss.dependencies(),
3319 build_by_default: false)
3321 qmp = declare_dependency(link_whole: [libqmp])
3323 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3325 dependencies: chardev_ss.dependencies(),
3326 build_by_default: false)
3328 chardev = declare_dependency(link_whole: libchardev)
3330 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3331 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3333 build_by_default: false)
3334 hwcore = declare_dependency(link_whole: libhwcore)
3335 common_ss.add(hwcore)
3341 emulator_modules = []
3342 foreach m : block_mods + softmmu_mods
3343 emulator_modules += shared_module(m.name(),
3344 build_by_default: true,
3348 install_dir: qemu_moddir)
3350 if emulator_modules.length() > 0
3351 alias_target('modules', emulator_modules)
3354 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355 common_ss.add(qom, qemuutil)
3357 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3360 common_all = common_ss.apply(config_all, strict: false)
3361 common_all = static_library('common',
3362 build_by_default: false,
3363 sources: common_all.sources() + genh,
3364 include_directories: common_user_inc,
3365 implicit_include_directories: false,
3366 dependencies: common_all.dependencies(),
3369 feature_to_c = find_program('scripts/feature_to_c.sh')
3371 if targetos == 'darwin'
3372 entitlement = find_program('scripts/entitlement.sh')
3376 foreach target : target_dirs
3377 config_target = config_target_mak[target]
3378 target_name = config_target['TARGET_NAME']
3379 target_base_arch = config_target['TARGET_BASE_ARCH']
3380 arch_srcs = [config_target_h[target]]
3382 c_args = ['-DNEED_CPU_H',
3383 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3384 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3385 link_args = emulator_link_args
3387 config_target += config_host
3388 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389 if targetos == 'linux'
3390 target_inc += include_directories('linux-headers', is_system: true)
3392 if target.endswith('-softmmu')
3393 target_type='system'
3394 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3395 arch_srcs += t.sources()
3396 arch_deps += t.dependencies()
3398 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3399 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3400 arch_srcs += hw.sources()
3401 arch_deps += hw.dependencies()
3403 arch_srcs += config_devices_h[target]
3404 link_args += ['@block.syms', '@qemu.syms']
3406 abi = config_target['TARGET_ABI_DIR']
3408 target_inc += common_user_inc
3409 if target_base_arch in target_user_arch
3410 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3411 arch_srcs += t.sources()
3412 arch_deps += t.dependencies()
3414 if 'CONFIG_LINUX_USER' in config_target
3415 base_dir = 'linux-user'
3417 if 'CONFIG_BSD_USER' in config_target
3418 base_dir = 'bsd-user'
3419 target_inc += include_directories('bsd-user/' / targetos)
3420 target_inc += include_directories('bsd-user/host/' / host_arch)
3421 dir = base_dir / abi
3422 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3424 target_inc += include_directories(
3428 if 'CONFIG_LINUX_USER' in config_target
3429 dir = base_dir / abi
3430 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3431 if config_target.has_key('TARGET_SYSTBL_ABI')
3433 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3434 extra_args : config_target['TARGET_SYSTBL_ABI'])
3439 if 'TARGET_XML_FILES' in config_target
3440 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3441 output: target + '-gdbstub-xml.c',
3442 input: files(config_target['TARGET_XML_FILES'].split()),
3443 command: [feature_to_c, '@INPUT@'],
3445 arch_srcs += gdbstub_xml
3448 t = target_arch[target_base_arch].apply(config_target, strict: false)
3449 arch_srcs += t.sources()
3450 arch_deps += t.dependencies()
3452 target_common = common_ss.apply(config_target, strict: false)
3453 objects = common_all.extract_objects(target_common.sources())
3454 deps = target_common.dependencies()
3456 target_specific = specific_ss.apply(config_target, strict: false)
3457 arch_srcs += target_specific.sources()
3458 arch_deps += target_specific.dependencies()
3460 lib = static_library('qemu-' + target,
3461 sources: arch_srcs + genh,
3462 dependencies: arch_deps,
3464 include_directories: target_inc,
3466 build_by_default: false,
3469 if target.endswith('-softmmu')
3471 'name': 'qemu-system-' + target_name,
3472 'win_subsystem': 'console',
3473 'sources': files('softmmu/main.c'),
3476 if targetos == 'windows' and (sdl.found() or gtk.found())
3478 'name': 'qemu-system-' + target_name + 'w',
3479 'win_subsystem': 'windows',
3480 'sources': files('softmmu/main.c'),
3484 if get_option('fuzzing')
3485 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3487 'name': 'qemu-fuzz-' + target_name,
3488 'win_subsystem': 'console',
3489 'sources': specific_fuzz.sources(),
3490 'dependencies': specific_fuzz.dependencies(),
3495 'name': 'qemu-' + target_name,
3496 'win_subsystem': 'console',
3502 exe_name = exe['name']
3503 if targetos == 'darwin'
3504 exe_name += '-unsigned'
3507 emulator = executable(exe_name, exe['sources'],
3510 dependencies: arch_deps + deps + exe['dependencies'],
3511 objects: lib.extract_all_objects(recursive: true),
3512 link_language: link_language,
3513 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3514 link_args: link_args,
3515 win_subsystem: exe['win_subsystem'])
3517 if targetos == 'darwin'
3518 icon = 'pc-bios/qemu.rsrc'
3519 build_input = [emulator, files(icon)]
3521 get_option('bindir') / exe_name,
3522 meson.current_source_dir() / icon
3524 if 'CONFIG_HVF' in config_target
3525 entitlements = 'accel/hvf/entitlements.plist'
3526 build_input += files(entitlements)
3527 install_input += meson.current_source_dir() / entitlements
3530 emulators += {exe['name'] : custom_target(exe['name'],
3532 output: exe['name'],
3533 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3536 meson.add_install_script(entitlement, '--install',
3537 get_option('bindir') / exe['name'],
3540 emulators += {exe['name']: emulator}
3545 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3546 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3547 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3548 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3550 custom_target(exe['name'] + stp['ext'],
3551 input: trace_events_all,
3552 output: exe['name'] + stp['ext'],
3553 install: stp['install'],
3554 install_dir: get_option('datadir') / 'systemtap/tapset',
3556 tracetool, '--group=all', '--format=' + stp['fmt'],
3557 '--binary=' + stp['bin'],
3558 '--target-name=' + target_name,
3559 '--target-type=' + target_type,
3560 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3561 '@INPUT@', '@OUTPUT@'
3563 depend_files: tracetool_depends)
3569 # Other build targets
3571 if 'CONFIG_PLUGIN' in config_host
3572 install_headers('include/qemu/qemu-plugin.h')
3577 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3578 # when we don't build tools or system
3579 if xkbcommon.found()
3580 # used for the update-keymaps target, so include rules even if !have_tools
3581 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3582 dependencies: [qemuutil, xkbcommon], install: have_tools)
3586 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3587 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3588 qemu_io = executable('qemu-io', files('qemu-io.c'),
3589 dependencies: [block, qemuutil], install: true)
3590 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3591 dependencies: [blockdev, qemuutil, gnutls, selinux],
3594 subdir('storage-daemon')
3595 subdir('contrib/rdmacm-mux')
3596 subdir('contrib/elf2dmp')
3598 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3599 dependencies: qemuutil,
3603 subdir('contrib/vhost-user-blk')
3604 subdir('contrib/vhost-user-gpu')
3605 subdir('contrib/vhost-user-input')
3606 subdir('contrib/vhost-user-scsi')
3609 if targetos == 'linux'
3610 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3611 dependencies: [qemuutil, libcap_ng],
3613 install_dir: get_option('libexecdir'))
3615 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3616 dependencies: [authz, crypto, io, qom, qemuutil,
3617 libcap_ng, mpathpersist],
3622 subdir('contrib/ivshmem-client')
3623 subdir('contrib/ivshmem-server')
3636 if host_machine.system() == 'windows'
3638 find_program('scripts/nsis.py'),
3640 get_option('prefix'),
3641 meson.current_source_dir(),
3642 config_host['GLIB_BINDIR'],
3645 '-DDISPLAYVERSION=' + meson.project_version(),
3648 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3651 nsis_cmd += '-DCONFIG_GTK=y'
3654 nsis = custom_target('nsis',
3655 output: 'qemu-setup-' + meson.project_version() + '.exe',
3656 input: files('qemu.nsi'),
3657 build_always_stale: true,
3658 command: nsis_cmd + ['@INPUT@'])
3659 alias_target('installer', nsis)
3662 #########################
3663 # Configuration summary #
3664 #########################
3668 summary_info += {'Install prefix': get_option('prefix')}
3669 summary_info += {'BIOS directory': qemu_datadir}
3670 pathsep = targetos == 'windows' ? ';' : ':'
3671 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3672 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3673 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674 summary_info += {'module directory': qemu_moddir}
3675 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3678 if targetos != 'windows'
3679 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3682 summary_info += {'local state directory': 'queried at runtime'}
3684 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3685 summary_info += {'Build directory': meson.current_build_dir()}
3686 summary_info += {'Source path': meson.current_source_dir()}
3687 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3688 summary(summary_info, bool_yn: true, section: 'Directories')
3692 summary_info += {'git': config_host['GIT']}
3693 summary_info += {'make': config_host['MAKE']}
3694 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695 summary_info += {'sphinx-build': sphinx_build}
3696 if config_host.has_key('HAVE_GDB_BIN')
3697 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3699 summary_info += {'iasl': iasl}
3700 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3701 if targetos == 'windows' and have_ga
3702 summary_info += {'wixl': wixl}
3704 if slirp.found() and have_system
3705 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3707 summary(summary_info, bool_yn: true, section: 'Host binaries')
3709 # Configurable features
3711 summary_info += {'Documentation': build_docs}
3712 summary_info += {'system-mode emulation': have_system}
3713 summary_info += {'user-mode emulation': have_user}
3714 summary_info += {'block layer': have_block}
3715 summary_info += {'Install blobs': get_option('install_blobs')}
3716 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3717 if config_host.has_key('CONFIG_MODULES')
3718 summary_info += {'alternative module path': get_option('module_upgrades')}
3720 summary_info += {'fuzzing support': get_option('fuzzing')}
3722 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3724 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3725 if 'simple' in get_option('trace_backends')
3726 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3728 summary_info += {'D-Bus display': dbus_display}
3729 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3730 summary_info += {'vhost-kernel support': have_vhost_kernel}
3731 summary_info += {'vhost-net support': have_vhost_net}
3732 summary_info += {'vhost-user support': have_vhost_user}
3733 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736 summary_info += {'build guest agent': have_ga}
3737 summary(summary_info, bool_yn: true, section: 'Configurable features')
3739 # Compilation information
3741 summary_info += {'host CPU': cpu}
3742 summary_info += {'host endianness': build_machine.endian()}
3743 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3744 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745 if link_language == 'cpp'
3746 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3748 summary_info += {'C++ compiler': false}
3750 if targetos == 'darwin'
3751 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3753 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3754 + ['-O' + get_option('optimization')]
3755 + (get_option('debug') ? ['-g'] : []))}
3756 if link_language == 'cpp'
3757 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3758 + ['-O' + get_option('optimization')]
3759 + (get_option('debug') ? ['-g'] : []))}
3761 if targetos == 'darwin'
3762 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3763 + ['-O' + get_option('optimization')]
3764 + (get_option('debug') ? ['-g'] : []))}
3766 link_args = get_option(link_language + '_link_args')
3767 if link_args.length() > 0
3768 summary_info += {'LDFLAGS': ' '.join(link_args)}
3770 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3771 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3772 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3773 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3774 summary_info += {'profiler': get_option('profiler')}
3775 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3776 summary_info += {'PIE': get_option('b_pie')}
3777 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3778 summary_info += {'malloc trim support': has_malloc_trim}
3779 summary_info += {'membarrier': have_membarrier}
3780 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3781 summary_info += {'mutex debugging': get_option('debug_mutex')}
3782 summary_info += {'memory allocator': get_option('malloc')}
3783 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3784 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3785 summary_info += {'gprof enabled': get_option('gprof')}
3786 summary_info += {'gcov': get_option('b_coverage')}
3787 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3788 summary_info += {'CFI support': get_option('cfi')}
3789 if get_option('cfi')
3790 summary_info += {'CFI debug support': get_option('cfi_debug')}
3792 summary_info += {'strip binaries': get_option('strip')}
3793 summary_info += {'sparse': sparse}
3794 summary_info += {'mingw32 support': targetos == 'windows'}
3795 summary(summary_info, bool_yn: true, section: 'Compilation')
3797 # snarf the cross-compilation information for tests
3800 foreach target: target_dirs
3801 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3802 if fs.exists(tcg_mak)
3803 config_cross_tcg = keyval.load(tcg_mak)
3804 if 'CC' in config_cross_tcg
3805 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3811 summary(summary_info, bool_yn: true, section: 'Cross compilers')
3814 # Targets and accelerators
3817 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3818 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3819 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3820 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3821 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3822 summary_info += {'Xen support': xen.found()}
3824 summary_info += {'xen ctrl version': xen.version()}
3827 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3828 if config_all.has_key('CONFIG_TCG')
3829 if get_option('tcg_interpreter')
3830 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3832 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3834 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3835 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3837 summary_info += {'target list': ' '.join(target_dirs)}
3839 summary_info += {'default devices': get_option('default_devices')}
3840 summary_info += {'out of process emulation': multiprocess_allowed}
3841 summary_info += {'vfio-user server': vfio_user_server_allowed}
3843 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3847 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3848 summary_info += {'coroutine pool': have_coroutine_pool}
3850 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3851 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3852 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3853 summary_info += {'VirtFS support': have_virtfs}
3854 summary_info += {'build virtiofs daemon': have_virtiofsd}
3855 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3856 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3857 summary_info += {'bochs support': get_option('bochs').allowed()}
3858 summary_info += {'cloop support': get_option('cloop').allowed()}
3859 summary_info += {'dmg support': get_option('dmg').allowed()}
3860 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3861 summary_info += {'vdi support': get_option('vdi').allowed()}
3862 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3863 summary_info += {'qed support': get_option('qed').allowed()}
3864 summary_info += {'parallels support': get_option('parallels').allowed()}
3865 summary_info += {'FUSE exports': fuse}
3866 summary_info += {'VDUSE block exports': have_vduse_blk_export}
3868 summary(summary_info, bool_yn: true, section: 'Block layer support')
3872 summary_info += {'TLS priority': get_option('tls_priority')}
3873 summary_info += {'GNUTLS support': gnutls}
3875 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3877 summary_info += {'libgcrypt': gcrypt}
3878 summary_info += {'nettle': nettle}
3880 summary_info += {' XTS': xts != 'private'}
3882 summary_info += {'AF_ALG support': have_afalg}
3883 summary_info += {'rng-none': get_option('rng_none')}
3884 summary_info += {'Linux keyring': have_keyring}
3885 summary(summary_info, bool_yn: true, section: 'Crypto')
3889 if targetos == 'darwin'
3890 summary_info += {'Cocoa support': cocoa}
3891 summary_info += {'vmnet.framework support': vmnet}
3893 summary_info += {'SDL support': sdl}
3894 summary_info += {'SDL image support': sdl_image}
3895 summary_info += {'GTK support': gtk}
3896 summary_info += {'pixman': pixman}
3897 summary_info += {'VTE support': vte}
3898 summary_info += {'slirp support': slirp}
3899 summary_info += {'libtasn1': tasn1}
3900 summary_info += {'PAM': pam}
3901 summary_info += {'iconv support': iconv}
3902 summary_info += {'curses support': curses}
3903 summary_info += {'virgl support': virgl}
3904 summary_info += {'blkio support': blkio}
3905 summary_info += {'curl support': curl}
3906 summary_info += {'Multipath support': mpathpersist}
3907 summary_info += {'PNG support': png}
3908 summary_info += {'VNC support': vnc}
3910 summary_info += {'VNC SASL support': sasl}
3911 summary_info += {'VNC JPEG support': jpeg}
3913 if targetos not in ['darwin', 'haiku', 'windows']
3914 summary_info += {'OSS support': oss}
3915 summary_info += {'sndio support': sndio}
3916 elif targetos == 'darwin'
3917 summary_info += {'CoreAudio support': coreaudio}
3918 elif targetos == 'windows'
3919 summary_info += {'DirectSound support': dsound}
3921 if targetos == 'linux'
3922 summary_info += {'ALSA support': alsa}
3923 summary_info += {'PulseAudio support': pulse}
3925 summary_info += {'JACK support': jack}
3926 summary_info += {'brlapi support': brlapi}
3927 summary_info += {'vde support': vde}
3928 summary_info += {'netmap support': have_netmap}
3929 summary_info += {'l2tpv3 support': have_l2tpv3}
3930 summary_info += {'Linux AIO support': libaio}
3931 summary_info += {'Linux io_uring support': linux_io_uring}
3932 summary_info += {'ATTR/XATTR support': libattr}
3933 summary_info += {'RDMA support': rdma}
3934 summary_info += {'PVRDMA support': have_pvrdma}
3935 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3936 summary_info += {'libcap-ng support': libcap_ng}
3937 summary_info += {'bpf support': libbpf}
3938 summary_info += {'spice protocol support': spice_protocol}
3939 if spice_protocol.found()
3940 summary_info += {' spice server support': spice}
3942 summary_info += {'rbd support': rbd}
3943 summary_info += {'smartcard support': cacard}
3944 summary_info += {'U2F support': u2f}
3945 summary_info += {'libusb': libusb}
3946 summary_info += {'usb net redir': usbredir}
3947 summary_info += {'OpenGL support (epoxy)': opengl}
3948 summary_info += {'GBM': gbm}
3949 summary_info += {'libiscsi support': libiscsi}
3950 summary_info += {'libnfs support': libnfs}
3951 if targetos == 'windows'
3953 summary_info += {'QGA VSS support': have_qga_vss}
3956 summary_info += {'seccomp support': seccomp}
3957 summary_info += {'GlusterFS support': glusterfs}
3958 summary_info += {'TPM support': have_tpm}
3959 summary_info += {'libssh support': libssh}
3960 summary_info += {'lzo support': lzo}
3961 summary_info += {'snappy support': snappy}
3962 summary_info += {'bzip2 support': libbzip2}
3963 summary_info += {'lzfse support': liblzfse}
3964 summary_info += {'zstd support': zstd}
3965 summary_info += {'NUMA host support': numa}
3966 summary_info += {'capstone': capstone}
3967 summary_info += {'libpmem support': libpmem}
3968 summary_info += {'libdaxctl support': libdaxctl}
3969 summary_info += {'libudev': libudev}
3970 # Dummy dependency, keep .found()
3971 summary_info += {'FUSE lseek': fuse_lseek.found()}
3972 summary_info += {'selinux': selinux}
3973 summary(summary_info, bool_yn: true, section: 'Dependencies')
3975 if not supported_cpus.contains(cpu)
3977 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3979 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3980 message('The QEMU project intends to remove support for this host CPU in')
3981 message('a future release if nobody volunteers to maintain it and to')
3982 message('provide a build host for our continuous integration setup.')
3983 message('configure has succeeded and you can continue to build, but')
3984 message('if you care about QEMU on this platform you should contact')
3985 message('us upstream at qemu-devel@nongnu.org.')
3988 if not supported_oses.contains(targetos)
3990 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3992 message('Host OS ' + targetos + 'support is not currently maintained.')
3993 message('The QEMU project intends to remove support for this host OS in')
3994 message('a future release if nobody volunteers to maintain it and to')
3995 message('provide a build host for our continuous integration setup.')
3996 message('configure has succeeded and you can continue to build, but')
3997 message('if you care about QEMU on this platform you should contact')
3998 message('us upstream at qemu-devel@nongnu.org.')