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', 'sparc', '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 == 'sparc64'
474 elif host_arch == 'x86_64'
476 elif host_arch == 'ppc64'
479 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
480 language: ['c', 'cpp', 'objc'])
482 accelerators += 'CONFIG_TCG'
483 config_host += { 'CONFIG_TCG': 'y' }
486 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
487 error('KVM not available on this platform')
489 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
490 error('HVF not available on this platform')
492 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
493 error('NVMM not available on this platform')
495 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
496 error('WHPX not available on this platform')
503 # The path to glib.h is added to all compilation commands. This was
504 # grandfathered in from the QEMU Makefiles.
505 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
506 native: false, language: ['c', 'cpp', 'objc'])
507 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
508 link_args: config_host['GLIB_LIBS'].split(),
509 version: config_host['GLIB_VERSION'],
511 'bindir': config_host['GLIB_BINDIR'],
513 # override glib dep with the configure results (for subprojects)
514 meson.override_dependency('glib-2.0', glib)
517 gdbus_codegen = not_found
518 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
519 if not get_option('gio').auto() or have_system
520 gio = dependency('gio-2.0', required: get_option('gio'),
521 method: 'pkg-config', kwargs: static_kwargs)
522 if gio.found() and not cc.links('''
526 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
528 }''', dependencies: [glib, gio])
529 if get_option('gio').enabled()
530 error('The installed libgio is broken for static linking')
535 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
536 required: get_option('gio'))
537 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
538 method: 'pkg-config', kwargs: static_kwargs)
539 gio = declare_dependency(dependencies: [gio, gio_unix],
540 version: gio.version())
543 if gdbus_codegen.found() and get_option('cfi')
544 gdbus_codegen = not_found
545 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
549 if 'ust' in get_option('trace_backends')
550 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
551 method: 'pkg-config', kwargs: static_kwargs)
554 if have_system or have_tools
555 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
556 method: 'pkg-config', kwargs: static_kwargs)
558 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
561 if not get_option('linux_aio').auto() or have_block
562 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
563 required: get_option('linux_aio'),
564 kwargs: static_kwargs)
567 linux_io_uring_test = '''
568 #include <liburing.h>
569 #include <linux/errqueue.h>
571 int main(void) { return 0; }'''
573 linux_io_uring = not_found
574 if not get_option('linux_io_uring').auto() or have_block
575 linux_io_uring = dependency('liburing', version: '>=0.3',
576 required: get_option('linux_io_uring'),
577 method: 'pkg-config', kwargs: static_kwargs)
578 if not cc.links(linux_io_uring_test)
579 linux_io_uring = not_found
584 if not get_option('libnfs').auto() or have_block
585 libnfs = dependency('libnfs', version: '>=1.9.3',
586 required: get_option('libnfs'),
587 method: 'pkg-config', kwargs: static_kwargs)
592 #include <sys/types.h>
593 #ifdef CONFIG_LIBATTR
594 #include <attr/xattr.h>
596 #include <sys/xattr.h>
598 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
601 have_old_libattr = false
602 if get_option('attr').allowed()
603 if cc.links(libattr_test)
604 libattr = declare_dependency()
606 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
607 required: get_option('attr'),
608 kwargs: static_kwargs)
609 if libattr.found() and not \
610 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
612 if get_option('attr').enabled()
613 error('could not link libattr')
615 warning('could not link libattr, disabling')
618 have_old_libattr = libattr.found()
623 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
624 required: get_option('cocoa'))
626 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
627 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
628 'VMNET_BRIDGED_MODE',
631 if get_option('vmnet').enabled()
632 error('vmnet.framework API is outdated')
634 warning('vmnet.framework API is outdated, disabling')
639 seccomp_has_sysrawrc = false
640 if not get_option('seccomp').auto() or have_system or have_tools
641 seccomp = dependency('libseccomp', version: '>=2.3.0',
642 required: get_option('seccomp'),
643 method: 'pkg-config', kwargs: static_kwargs)
645 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
646 'SCMP_FLTATR_API_SYSRAWRC',
647 dependencies: seccomp)
651 libcap_ng = not_found
652 if not get_option('cap_ng').auto() or have_system or have_tools
653 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
654 required: get_option('cap_ng'),
655 kwargs: static_kwargs)
657 if libcap_ng.found() and not cc.links('''
661 capng_capability_to_name(CAPNG_EFFECTIVE);
663 }''', dependencies: libcap_ng)
664 libcap_ng = not_found
665 if get_option('cap_ng').enabled()
666 error('could not link libcap-ng')
668 warning('could not link libcap-ng, disabling')
672 if get_option('xkbcommon').auto() and not have_system and not have_tools
673 xkbcommon = not_found
675 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
676 method: 'pkg-config', kwargs: static_kwargs)
680 if not get_option('slirp').auto() or have_system
681 slirp = dependency('slirp', required: get_option('slirp'),
682 method: 'pkg-config', kwargs: static_kwargs)
683 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
684 # it passes function pointers within libslirp as callbacks for timers.
685 # When using a system-wide shared libslirp, the type information for the
686 # callback is missing and the timer call produces a false positive with CFI.
687 # Do not use the "version" keyword argument to produce a better error.
688 # with control-flow integrity.
689 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
690 if get_option('slirp').enabled()
691 error('Control-Flow Integrity requires libslirp 4.7.')
693 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
700 if not get_option('vde').auto() or have_system or have_tools
701 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
702 required: get_option('vde'),
703 kwargs: static_kwargs)
705 if vde.found() and not cc.links('''
706 #include <libvdeplug.h>
709 struct vde_open_args a = {0, 0, 0};
713 }''', dependencies: vde)
715 if get_option('cap_ng').enabled()
716 error('could not link libvdeplug')
718 warning('could not link libvdeplug, disabling')
723 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
724 pulse = dependency('libpulse', required: get_option('pa'),
725 method: 'pkg-config', kwargs: static_kwargs)
728 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
729 alsa = dependency('alsa', required: get_option('alsa'),
730 method: 'pkg-config', kwargs: static_kwargs)
733 if not get_option('jack').auto() or have_system
734 jack = dependency('jack', required: get_option('jack'),
735 method: 'pkg-config', kwargs: static_kwargs)
738 if not get_option('sndio').auto() or have_system
739 sndio = dependency('sndio', required: get_option('sndio'),
740 method: 'pkg-config', kwargs: static_kwargs)
743 spice_protocol = not_found
744 if not get_option('spice_protocol').auto() or have_system
745 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
746 required: get_option('spice_protocol'),
747 method: 'pkg-config', kwargs: static_kwargs)
750 if not get_option('spice').auto() or have_system
751 spice = dependency('spice-server', version: '>=0.12.5',
752 required: get_option('spice'),
753 method: 'pkg-config', kwargs: static_kwargs)
755 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
757 rt = cc.find_library('rt', required: false)
760 if not get_option('libiscsi').auto() or have_block
761 libiscsi = dependency('libiscsi', version: '>=1.9.0',
762 required: get_option('libiscsi'),
763 method: 'pkg-config', kwargs: static_kwargs)
766 if not get_option('zstd').auto() or have_block
767 zstd = dependency('libzstd', version: '>=1.4.0',
768 required: get_option('zstd'),
769 method: 'pkg-config', kwargs: static_kwargs)
773 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
774 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
775 virgl = dependency('virglrenderer',
776 method: 'pkg-config',
777 required: get_option('virglrenderer'),
778 kwargs: static_kwargs)
781 if not get_option('blkio').auto() or have_block
782 blkio = dependency('blkio',
783 method: 'pkg-config',
784 required: get_option('blkio'),
785 kwargs: static_kwargs)
788 if not get_option('curl').auto() or have_block
789 curl = dependency('libcurl', version: '>=7.29.0',
790 method: 'pkg-config',
791 required: get_option('curl'),
792 kwargs: static_kwargs)
795 if targetos == 'linux' and (have_system or have_tools)
796 libudev = dependency('libudev',
797 method: 'pkg-config',
798 required: get_option('libudev'),
799 kwargs: static_kwargs)
802 mpathlibs = [libudev]
803 mpathpersist = not_found
804 mpathpersist_new_api = false
805 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
806 mpath_test_source_new = '''
808 #include <mpath_persist.h>
809 unsigned mpath_mx_alloc_len = 1024;
811 static struct config *multipath_conf;
812 extern struct udev *udev;
813 extern struct config *get_multipath_config(void);
814 extern void put_multipath_config(struct config *conf);
816 struct config *get_multipath_config(void) { return multipath_conf; }
817 void put_multipath_config(struct config *conf) { }
820 multipath_conf = mpath_lib_init();
823 mpath_test_source_old = '''
825 #include <mpath_persist.h>
826 unsigned mpath_mx_alloc_len = 1024;
829 struct udev *udev = udev_new();
830 mpath_lib_init(udev);
833 libmpathpersist = cc.find_library('mpathpersist',
834 required: get_option('mpath'),
835 kwargs: static_kwargs)
836 if libmpathpersist.found()
837 mpathlibs += libmpathpersist
839 mpathlibs += cc.find_library('devmapper',
840 required: get_option('mpath'),
841 kwargs: static_kwargs)
843 mpathlibs += cc.find_library('multipath',
844 required: get_option('mpath'),
845 kwargs: static_kwargs)
846 foreach lib: mpathlibs
852 if mpathlibs.length() == 0
853 msg = 'Dependencies missing for libmpathpersist'
854 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
855 mpathpersist = declare_dependency(dependencies: mpathlibs)
856 mpathpersist_new_api = true
857 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
858 mpathpersist = declare_dependency(dependencies: mpathlibs)
860 msg = 'Cannot detect libmpathpersist API'
862 if not mpathpersist.found()
863 if get_option('mpath').enabled()
866 warning(msg + ', disabling')
874 if have_system and get_option('curses').allowed()
876 #if defined(__APPLE__) || defined(__OpenBSD__)
877 #define _XOPEN_SOURCE_EXTENDED 1
884 setlocale(LC_ALL, "");
886 addwstr(L"wide chars\n");
888 add_wch(WACS_DEGREE);
892 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
893 curses = dependency(curses_dep_list,
895 method: 'pkg-config',
896 kwargs: static_kwargs)
897 msg = get_option('curses').enabled() ? 'curses library not found' : ''
898 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
900 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
901 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
903 msg = 'curses package not usable'
907 if not curses.found()
908 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
909 if targetos != 'windows' and not has_curses_h
910 message('Trying with /usr/include/ncursesw')
911 curses_compile_args += ['-I/usr/include/ncursesw']
912 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
915 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
916 foreach curses_libname : curses_libname_list
917 libcurses = cc.find_library(curses_libname,
919 kwargs: static_kwargs)
921 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
922 curses = declare_dependency(compile_args: curses_compile_args,
923 dependencies: [libcurses])
926 msg = 'curses library not usable'
932 if get_option('iconv').allowed()
933 foreach link_args : [ ['-liconv'], [] ]
934 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
935 # We need to use libiconv if available because mixing libiconv's headers with
936 # the system libc does not work.
937 # However, without adding glib to the dependencies -L/usr/local/lib will not be
938 # included in the command line and libiconv will not be found.
942 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
943 return conv != (iconv_t) -1;
944 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
945 iconv = declare_dependency(link_args: link_args, dependencies: glib)
950 if curses.found() and not iconv.found()
951 if get_option('iconv').enabled()
952 error('iconv not available')
954 msg = 'iconv required for curses UI but not available'
957 if not curses.found() and msg != ''
958 if get_option('curses').enabled()
961 warning(msg + ', disabling')
967 if not get_option('brlapi').auto() or have_system
968 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
969 required: get_option('brlapi'),
970 kwargs: static_kwargs)
971 if brlapi.found() and not cc.links('''
974 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
976 if get_option('brlapi').enabled()
977 error('could not link brlapi')
979 warning('could not link brlapi, disabling')
985 if not get_option('sdl').auto() or have_system
986 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
987 sdl_image = not_found
990 # work around 2.0.8 bug
991 sdl = declare_dependency(compile_args: '-Wno-undef',
993 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
994 method: 'pkg-config', kwargs: static_kwargs)
996 if get_option('sdl_image').enabled()
997 error('sdl-image required, but SDL was @0@'.format(
998 get_option('sdl').disabled() ? 'disabled' : 'not found'))
1000 sdl_image = not_found
1004 if not get_option('rbd').auto() or have_block
1005 librados = cc.find_library('rados', required: get_option('rbd'),
1006 kwargs: static_kwargs)
1007 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008 required: get_option('rbd'),
1009 kwargs: static_kwargs)
1010 if librados.found() and librbd.found()
1013 #include <rbd/librbd.h>
1016 rados_create(&cluster, NULL);
1017 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1021 }''', dependencies: [librbd, librados])
1022 rbd = declare_dependency(dependencies: [librbd, librados])
1023 elif get_option('rbd').enabled()
1024 error('librbd >= 1.12.0 required')
1026 warning('librbd >= 1.12.0 not found, disabling')
1031 glusterfs = not_found
1032 glusterfs_ftruncate_has_stat = false
1033 glusterfs_iocb_has_stat = false
1034 if not get_option('glusterfs').auto() or have_block
1035 glusterfs = dependency('glusterfs-api', version: '>=3',
1036 required: get_option('glusterfs'),
1037 method: 'pkg-config', kwargs: static_kwargs)
1038 if glusterfs.found()
1039 glusterfs_ftruncate_has_stat = cc.links('''
1040 #include <glusterfs/api/glfs.h>
1045 /* new glfs_ftruncate() passes two additional args */
1046 return glfs_ftruncate(NULL, 0, NULL, NULL);
1048 ''', dependencies: glusterfs)
1049 glusterfs_iocb_has_stat = cc.links('''
1050 #include <glusterfs/api/glfs.h>
1052 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1054 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1060 glfs_io_cbk iocb = &glusterfs_iocb;
1061 iocb(NULL, 0 , NULL, NULL, NULL);
1064 ''', dependencies: glusterfs)
1069 if not get_option('libssh').auto() or have_block
1070 libssh = dependency('libssh', version: '>=0.8.7',
1071 method: 'pkg-config',
1072 required: get_option('libssh'),
1073 kwargs: static_kwargs)
1076 libbzip2 = not_found
1077 if not get_option('bzip2').auto() or have_block
1078 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079 required: get_option('bzip2'),
1080 kwargs: static_kwargs)
1081 if libbzip2.found() and not cc.links('''
1083 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084 libbzip2 = not_found
1085 if get_option('bzip2').enabled()
1086 error('could not link libbzip2')
1088 warning('could not link libbzip2, disabling')
1093 liblzfse = not_found
1094 if not get_option('lzfse').auto() or have_block
1095 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096 required: get_option('lzfse'),
1097 kwargs: static_kwargs)
1099 if liblzfse.found() and not cc.links('''
1101 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102 liblzfse = not_found
1103 if get_option('lzfse').enabled()
1104 error('could not link liblzfse')
1106 warning('could not link liblzfse, disabling')
1111 if get_option('oss').allowed() and have_system
1112 if not cc.has_header('sys/soundcard.h')
1114 elif targetos == 'netbsd'
1115 oss = cc.find_library('ossaudio', required: get_option('oss'),
1116 kwargs: static_kwargs)
1118 oss = declare_dependency()
1122 if get_option('oss').enabled()
1123 error('OSS not found')
1128 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129 if cc.has_header('dsound.h')
1130 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1133 if not dsound.found()
1134 if get_option('dsound').enabled()
1135 error('DirectSound not found')
1140 coreaudio = not_found
1141 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143 required: get_option('coreaudio'))
1147 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148 epoxy = dependency('epoxy', method: 'pkg-config',
1149 required: get_option('opengl'), kwargs: static_kwargs)
1150 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1152 elif get_option('opengl').enabled()
1153 error('epoxy/egl.h not found')
1157 if (have_system or have_tools) and (virgl.found() or opengl.found())
1158 gbm = dependency('gbm', method: 'pkg-config', required: false,
1159 kwargs: static_kwargs)
1161 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1164 gnutls_crypto = not_found
1165 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166 # For general TLS support our min gnutls matches
1167 # that implied by our platform support matrix
1169 # For the crypto backends, we look for a newer
1172 # Version 3.6.8 is needed to get XTS
1173 # Version 3.6.13 is needed to get PBKDF
1174 # Version 3.6.14 is needed to get HW accelerated XTS
1176 # If newer enough gnutls isn't available, we can
1177 # still use a different crypto backend to satisfy
1178 # the platform support requirements
1179 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180 method: 'pkg-config',
1182 kwargs: static_kwargs)
1183 if gnutls_crypto.found()
1184 gnutls = gnutls_crypto
1186 # Our min version if all we need is TLS
1187 gnutls = dependency('gnutls', version: '>=3.5.18',
1188 method: 'pkg-config',
1189 required: get_option('gnutls'),
1190 kwargs: static_kwargs)
1194 # We prefer use of gnutls for crypto, unless the options
1195 # explicitly asked for nettle or gcrypt.
1197 # If gnutls isn't available for crypto, then we'll prefer
1198 # gcrypt over nettle for performance reasons.
1204 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205 error('Only one of gcrypt & nettle can be enabled')
1208 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210 gnutls_crypto = not_found
1213 if not gnutls_crypto.found()
1214 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215 gcrypt = dependency('libgcrypt', version: '>=1.8',
1216 method: 'config-tool',
1217 required: get_option('gcrypt'),
1218 kwargs: static_kwargs)
1219 # Debian has removed -lgpg-error from libgcrypt-config
1220 # as it "spreads unnecessary dependencies" which in
1221 # turn breaks static builds...
1222 if gcrypt.found() and enable_static
1223 gcrypt = declare_dependency(dependencies: [
1225 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1228 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229 nettle = dependency('nettle', version: '>=3.4',
1230 method: 'pkg-config',
1231 required: get_option('nettle'),
1232 kwargs: static_kwargs)
1233 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1239 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240 if nettle.found() and gmp.found()
1241 hogweed = dependency('hogweed', version: '>=3.4',
1242 method: 'pkg-config',
1243 required: get_option('nettle'),
1244 kwargs: static_kwargs)
1251 if not get_option('gtk').auto() or have_system
1252 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1253 method: 'pkg-config',
1254 required: get_option('gtk'),
1255 kwargs: static_kwargs)
1257 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1258 method: 'pkg-config',
1260 kwargs: static_kwargs)
1261 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1263 if not get_option('vte').auto() or have_system
1264 vte = dependency('vte-2.91',
1265 method: 'pkg-config',
1266 required: get_option('vte'),
1267 kwargs: static_kwargs)
1274 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1275 kwargs: static_kwargs)
1278 if get_option('png').allowed() and have_system
1279 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1280 method: 'pkg-config', kwargs: static_kwargs)
1285 if get_option('vnc').allowed() and have_system
1286 vnc = declare_dependency() # dummy dependency
1287 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1288 method: 'pkg-config', kwargs: static_kwargs)
1289 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1290 required: get_option('vnc_sasl'),
1291 kwargs: static_kwargs)
1293 sasl = declare_dependency(dependencies: sasl,
1294 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299 if not get_option('auth_pam').auto() or have_system
1300 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1301 required: get_option('auth_pam'),
1302 kwargs: static_kwargs)
1304 if pam.found() and not cc.links('''
1306 #include <security/pam_appl.h>
1308 const char *service_name = "qemu";
1309 const char *user = "frank";
1310 const struct pam_conv pam_conv = { 0 };
1311 pam_handle_t *pamh = NULL;
1312 pam_start(service_name, user, &pam_conv, &pamh);
1314 }''', dependencies: pam)
1316 if get_option('auth_pam').enabled()
1317 error('could not link libpam')
1319 warning('could not link libpam, disabling')
1324 if not get_option('snappy').auto() or have_system
1325 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1326 required: get_option('snappy'),
1327 kwargs: static_kwargs)
1329 if snappy.found() and not linker.links('''
1330 #include <snappy-c.h>
1331 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1333 if get_option('snappy').enabled()
1334 error('could not link libsnappy')
1336 warning('could not link libsnappy, disabling')
1341 if not get_option('lzo').auto() or have_system
1342 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1343 required: get_option('lzo'),
1344 kwargs: static_kwargs)
1346 if lzo.found() and not cc.links('''
1347 #include <lzo/lzo1x.h>
1348 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1350 if get_option('lzo').enabled()
1351 error('could not link liblzo2')
1353 warning('could not link liblzo2, disabling')
1358 if not get_option('numa').auto() or have_system or have_tools
1359 numa = cc.find_library('numa', has_headers: ['numa.h'],
1360 required: get_option('numa'),
1361 kwargs: static_kwargs)
1363 if numa.found() and not cc.links('''
1365 int main(void) { return numa_available(); }
1366 ''', dependencies: numa)
1368 if get_option('numa').enabled()
1369 error('could not link numa')
1371 warning('could not link numa, disabling')
1376 if not get_option('rdma').auto() or have_system
1377 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1378 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1379 required: get_option('rdma'),
1380 kwargs: static_kwargs),
1381 cc.find_library('ibverbs', required: get_option('rdma'),
1382 kwargs: static_kwargs),
1384 rdma = declare_dependency(dependencies: rdma_libs)
1385 foreach lib: rdma_libs
1393 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1394 xencontrol = dependency('xencontrol', required: false,
1395 method: 'pkg-config', kwargs: static_kwargs)
1396 if xencontrol.found()
1397 xen_pc = declare_dependency(version: xencontrol.version(),
1400 # disabler: true makes xen_pc.found() return false if any is not found
1401 dependency('xenstore', required: false,
1402 method: 'pkg-config', kwargs: static_kwargs,
1404 dependency('xenforeignmemory', required: false,
1405 method: 'pkg-config', kwargs: static_kwargs,
1407 dependency('xengnttab', required: false,
1408 method: 'pkg-config', kwargs: static_kwargs,
1410 dependency('xenevtchn', required: false,
1411 method: 'pkg-config', kwargs: static_kwargs,
1413 dependency('xendevicemodel', required: false,
1414 method: 'pkg-config', kwargs: static_kwargs,
1416 # optional, no "disabler: true"
1417 dependency('xentoolcore', required: false,
1418 method: 'pkg-config', kwargs: static_kwargs)])
1424 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' ]
1426 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1427 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1428 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1429 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1430 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1431 '4.6.0': [ 'xenstore', 'xenctrl' ],
1432 '4.5.0': [ 'xenstore', 'xenctrl' ],
1433 '4.2.0': [ 'xenstore', 'xenctrl' ],
1436 foreach ver: xen_tests
1437 # cache the various library tests to avoid polluting the logs
1439 foreach l: xen_libs[ver]
1440 if l not in xen_deps
1441 xen_deps += { l: cc.find_library(l, required: false) }
1443 xen_test_deps += xen_deps[l]
1446 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1447 xen_version = ver.split('.')
1448 xen_ctrl_version = xen_version[0] + \
1449 ('0' + xen_version[1]).substring(-2) + \
1450 ('0' + xen_version[2]).substring(-2)
1451 if cc.links(files('scripts/xen-detect.c'),
1452 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1453 dependencies: xen_test_deps)
1454 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1460 accelerators += 'CONFIG_XEN'
1461 elif get_option('xen').enabled()
1462 error('could not compile and link Xen test program')
1465 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1466 .require(xen.found(),
1467 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1468 .require(targetos == 'linux',
1469 error_message: 'Xen PCI passthrough not available on this platform') \
1474 if not get_option('smartcard').auto() or have_system
1475 cacard = dependency('libcacard', required: get_option('smartcard'),
1476 version: '>=2.5.1', method: 'pkg-config',
1477 kwargs: static_kwargs)
1481 u2f = dependency('u2f-emu', required: get_option('u2f'),
1482 method: 'pkg-config',
1483 kwargs: static_kwargs)
1487 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1488 method: 'pkg-config',
1489 kwargs: static_kwargs)
1491 usbredir = not_found
1492 if not get_option('usb_redir').auto() or have_system
1493 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1494 version: '>=0.6', method: 'pkg-config',
1495 kwargs: static_kwargs)
1498 if not get_option('libusb').auto() or have_system
1499 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1500 version: '>=1.0.13', method: 'pkg-config',
1501 kwargs: static_kwargs)
1505 if not get_option('libpmem').auto() or have_system
1506 libpmem = dependency('libpmem', required: get_option('libpmem'),
1507 method: 'pkg-config', kwargs: static_kwargs)
1509 libdaxctl = not_found
1510 if not get_option('libdaxctl').auto() or have_system
1511 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1512 version: '>=57', method: 'pkg-config',
1513 kwargs: static_kwargs)
1517 tasn1 = dependency('libtasn1',
1518 method: 'pkg-config',
1519 kwargs: static_kwargs)
1521 keyutils = dependency('libkeyutils', required: false,
1522 method: 'pkg-config', kwargs: static_kwargs)
1524 has_gettid = cc.has_function('gettid')
1527 selinux = dependency('libselinux',
1528 required: get_option('selinux'),
1529 method: 'pkg-config', kwargs: static_kwargs)
1534 if get_option('malloc') == 'system'
1536 get_option('malloc_trim').allowed() and \
1537 cc.links('''#include <malloc.h>
1538 int main(void) { malloc_trim(0); return 0; }''')
1540 has_malloc_trim = false
1541 malloc = cc.find_library(get_option('malloc'), required: true)
1543 if not has_malloc_trim and get_option('malloc_trim').enabled()
1544 if get_option('malloc') == 'system'
1545 error('malloc_trim not available on this platform.')
1547 error('malloc_trim not available with non-libc memory allocator')
1551 # Check whether the glibc provides statx()
1553 gnu_source_prefix = '''
1558 statx_test = gnu_source_prefix + '''
1559 #include <sys/stat.h>
1561 struct statx statxbuf;
1562 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1566 has_statx = cc.links(statx_test)
1568 # Check whether statx() provides mount ID information
1570 statx_mnt_id_test = gnu_source_prefix + '''
1571 #include <sys/stat.h>
1573 struct statx statxbuf;
1574 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1575 return statxbuf.stx_mnt_id;
1578 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1580 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1581 .require(targetos == 'linux',
1582 error_message: 'vhost_user_blk_server requires linux') \
1583 .require(have_vhost_user,
1584 error_message: 'vhost_user_blk_server requires vhost-user support') \
1585 .disable_auto_if(not have_tools and not have_system) \
1588 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1589 error('Cannot enable fuse-lseek while fuse is disabled')
1592 fuse = dependency('fuse3', required: get_option('fuse'),
1593 version: '>=3.1', method: 'pkg-config',
1594 kwargs: static_kwargs)
1596 fuse_lseek = not_found
1597 if get_option('fuse_lseek').allowed()
1598 if fuse.version().version_compare('>=3.8')
1600 fuse_lseek = declare_dependency()
1601 elif get_option('fuse_lseek').enabled()
1603 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1605 error('fuse-lseek requires libfuse, which was not found')
1610 have_libvduse = (targetos == 'linux')
1611 if get_option('libvduse').enabled()
1612 if targetos != 'linux'
1613 error('libvduse requires linux')
1615 elif get_option('libvduse').disabled()
1616 have_libvduse = false
1619 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1620 if get_option('vduse_blk_export').enabled()
1621 if targetos != 'linux'
1622 error('vduse_blk_export requires linux')
1623 elif not have_libvduse
1624 error('vduse_blk_export requires libvduse support')
1626 elif get_option('vduse_blk_export').disabled()
1627 have_vduse_blk_export = false
1631 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1632 if libbpf.found() and not cc.links('''
1633 #include <bpf/libbpf.h>
1636 bpf_object__destroy_skeleton(NULL);
1638 }''', dependencies: libbpf)
1640 if get_option('bpf').enabled()
1641 error('libbpf skeleton test failed')
1643 warning('libbpf skeleton test failed, disabling')
1651 audio_drivers_selected = []
1653 audio_drivers_available = {
1654 'alsa': alsa.found(),
1655 'coreaudio': coreaudio.found(),
1656 'dsound': dsound.found(),
1657 'jack': jack.found(),
1659 'pa': pulse.found(),
1661 'sndio': sndio.found(),
1663 foreach k, v: audio_drivers_available
1664 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1667 # Default to native drivers first, OSS second, SDL third
1668 audio_drivers_priority = \
1669 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1670 (targetos == 'linux' ? [] : [ 'sdl' ])
1671 audio_drivers_default = []
1672 foreach k: audio_drivers_priority
1673 if audio_drivers_available[k]
1674 audio_drivers_default += k
1678 foreach k: get_option('audio_drv_list')
1680 audio_drivers_selected += audio_drivers_default
1681 elif not audio_drivers_available[k]
1682 error('Audio driver "@0@" not available.'.format(k))
1684 audio_drivers_selected += k
1688 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1689 '"' + '", "'.join(audio_drivers_selected) + '", ')
1691 if get_option('cfi')
1693 # Check for dependency on LTO
1694 if not get_option('b_lto')
1695 error('Selected Control-Flow Integrity but LTO is disabled')
1697 if config_host.has_key('CONFIG_MODULES')
1698 error('Selected Control-Flow Integrity is not compatible with modules')
1700 # Check for cfi flags. CFI requires LTO so we can't use
1701 # get_supported_arguments, but need a more complex "compiles" which allows
1703 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1704 args: ['-flto', '-fsanitize=cfi-icall'] )
1705 cfi_flags += '-fsanitize=cfi-icall'
1707 error('-fsanitize=cfi-icall is not supported by the compiler')
1709 if cc.compiles('int main () { return 0; }',
1710 name: '-fsanitize-cfi-icall-generalize-pointers',
1711 args: ['-flto', '-fsanitize=cfi-icall',
1712 '-fsanitize-cfi-icall-generalize-pointers'] )
1713 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1715 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1717 if get_option('cfi_debug')
1718 if cc.compiles('int main () { return 0; }',
1719 name: '-fno-sanitize-trap=cfi-icall',
1720 args: ['-flto', '-fsanitize=cfi-icall',
1721 '-fno-sanitize-trap=cfi-icall'] )
1722 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1724 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1727 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1728 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1731 have_host_block_device = (targetos != 'darwin' or
1732 cc.has_header('IOKit/storage/IOMedia.h'))
1734 dbus_display = get_option('dbus_display') \
1735 .require(gio.version().version_compare('>=2.64'),
1736 error_message: '-display dbus requires glib>=2.64') \
1737 .require(gdbus_codegen.found(),
1738 error_message: gdbus_codegen_error.format('-display dbus')) \
1739 .require(opengl.found() and gbm.found(),
1740 error_message: '-display dbus requires epoxy/egl and gbm') \
1743 have_virtfs = get_option('virtfs') \
1744 .require(targetos == 'linux' or targetos == 'darwin',
1745 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1746 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1747 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1748 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1749 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1750 .disable_auto_if(not have_tools and not have_system) \
1753 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1755 if get_option('block_drv_ro_whitelist') == ''
1756 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1758 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1759 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1761 if get_option('block_drv_rw_whitelist') == ''
1762 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1764 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1765 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1768 foreach k : get_option('trace_backends')
1769 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1771 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1772 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1774 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1776 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1777 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1778 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1779 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1780 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1782 qemu_firmwarepath = ''
1783 foreach k : get_option('qemu_firmwarepath')
1784 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1786 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1788 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1789 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1790 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1791 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1792 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1793 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1795 if config_host.has_key('CONFIG_MODULES')
1796 config_host_data.set('CONFIG_STAMP', run_command(
1797 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1798 meson.project_version(), get_option('pkgversion'), '--',
1799 meson.current_source_dir() / 'configure',
1800 capture: true, check: true).stdout().strip())
1803 have_slirp_smbd = get_option('slirp_smbd') \
1804 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1807 smbd_path = get_option('smbd')
1809 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1811 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1814 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1816 if get_option('module_upgrades') and not enable_modules
1817 error('Cannot enable module-upgrades as modules are not enabled')
1819 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1821 config_host_data.set('CONFIG_ATTR', libattr.found())
1822 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1823 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1824 config_host_data.set('CONFIG_COCOA', cocoa.found())
1825 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1826 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1827 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1828 config_host_data.set('CONFIG_LZO', lzo.found())
1829 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1830 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1831 config_host_data.set('CONFIG_BLKIO', blkio.found())
1832 config_host_data.set('CONFIG_CURL', curl.found())
1833 config_host_data.set('CONFIG_CURSES', curses.found())
1834 config_host_data.set('CONFIG_GBM', gbm.found())
1835 config_host_data.set('CONFIG_GIO', gio.found())
1836 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1837 if glusterfs.found()
1838 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1839 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1840 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1841 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1842 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1843 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1845 config_host_data.set('CONFIG_GTK', gtk.found())
1846 config_host_data.set('CONFIG_VTE', vte.found())
1847 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1848 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1849 config_host_data.set('CONFIG_EBPF', libbpf.found())
1850 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1851 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1852 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1853 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1854 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1855 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1856 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1857 config_host_data.set('CONFIG_NUMA', numa.found())
1858 config_host_data.set('CONFIG_OPENGL', opengl.found())
1859 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1860 config_host_data.set('CONFIG_RBD', rbd.found())
1861 config_host_data.set('CONFIG_RDMA', rdma.found())
1862 config_host_data.set('CONFIG_SDL', sdl.found())
1863 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1864 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1866 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1868 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1869 config_host_data.set('CONFIG_TPM', have_tpm)
1870 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1871 config_host_data.set('CONFIG_VDE', vde.found())
1872 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1873 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1874 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1875 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1876 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1877 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1878 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1879 config_host_data.set('CONFIG_VMNET', vmnet.found())
1880 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1881 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1882 config_host_data.set('CONFIG_PNG', png.found())
1883 config_host_data.set('CONFIG_VNC', vnc.found())
1884 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1885 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1886 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1887 config_host_data.set('CONFIG_VTE', vte.found())
1888 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1889 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1890 config_host_data.set('CONFIG_GETTID', has_gettid)
1891 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1892 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1893 config_host_data.set('CONFIG_TASN1', tasn1.found())
1894 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1895 config_host_data.set('CONFIG_NETTLE', nettle.found())
1896 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1897 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1898 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1899 config_host_data.set('CONFIG_STATX', has_statx)
1900 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1901 config_host_data.set('CONFIG_ZSTD', zstd.found())
1902 config_host_data.set('CONFIG_FUSE', fuse.found())
1903 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1904 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1905 if spice_protocol.found()
1906 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1907 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1908 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1910 config_host_data.set('CONFIG_SPICE', spice.found())
1911 config_host_data.set('CONFIG_X11', x11.found())
1912 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1913 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1914 config_host_data.set('CONFIG_SELINUX', selinux.found())
1915 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1917 # protect from xen.version() having less than three components
1918 xen_version = xen.version().split('.') + ['0', '0']
1919 xen_ctrl_version = xen_version[0] + \
1920 ('0' + xen_version[1]).substring(-2) + \
1921 ('0' + xen_version[2]).substring(-2)
1922 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1924 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1925 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1926 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1927 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1929 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1930 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1932 have_coroutine_pool = get_option('coroutine_pool')
1933 if get_option('debug_stack_usage') and have_coroutine_pool
1934 message('Disabling coroutine pool to measure stack usage')
1935 have_coroutine_pool = false
1937 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1938 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1939 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1940 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1941 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1942 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1943 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1946 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1947 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1948 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1949 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1950 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1951 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1952 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1953 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1954 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1955 if targetos == 'windows'
1956 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1960 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1961 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1962 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1963 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1964 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1965 # Note that we need to specify prefix: here to avoid incorrectly
1966 # thinking that Windows has posix_memalign()
1967 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1968 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1969 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1970 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1971 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1972 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1973 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1974 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1975 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1976 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1977 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1978 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1979 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1980 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1981 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1982 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1983 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1985 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1986 cc.has_function('rbd_namespace_exists',
1988 prefix: '#include <rbd/librbd.h>'))
1991 config_host_data.set('HAVE_IBV_ADVISE_MR',
1992 cc.has_function('ibv_advise_mr',
1994 prefix: '#include <infiniband/verbs.h>'))
1998 config_host_data.set('CONFIG_BYTESWAP_H',
1999 cc.has_header_symbol('byteswap.h', 'bswap_32'))
2000 config_host_data.set('CONFIG_EPOLL_CREATE1',
2001 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2002 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2003 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2004 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2005 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2006 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2007 config_host_data.set('CONFIG_FIEMAP',
2008 cc.has_header('linux/fiemap.h') and
2009 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2010 config_host_data.set('CONFIG_GETRANDOM',
2011 cc.has_function('getrandom') and
2012 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2013 config_host_data.set('CONFIG_INOTIFY',
2014 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2015 config_host_data.set('CONFIG_INOTIFY1',
2016 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2017 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2018 cc.has_header_symbol('machine/bswap.h', 'bswap32',
2019 prefix: '''#include <sys/endian.h>
2020 #include <sys/types.h>'''))
2021 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2022 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2023 config_host_data.set('CONFIG_RTNETLINK',
2024 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2025 config_host_data.set('CONFIG_SYSMACROS',
2026 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2027 config_host_data.set('HAVE_OPTRESET',
2028 cc.has_header_symbol('getopt.h', 'optreset'))
2029 config_host_data.set('HAVE_IPPROTO_MPTCP',
2030 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2031 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2032 cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2035 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2036 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2037 prefix: '#include <signal.h>'))
2038 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2039 cc.has_member('struct stat', 'st_atim',
2040 prefix: '#include <sys/stat.h>'))
2043 config_host_data.set('CONFIG_IOVEC',
2044 cc.has_type('struct iovec',
2045 prefix: '#include <sys/uio.h>'))
2046 config_host_data.set('HAVE_UTMPX',
2047 cc.has_type('struct utmpx',
2048 prefix: '#include <utmpx.h>'))
2050 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2051 #include <sys/eventfd.h>
2052 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2053 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2056 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2057 return fdatasync(0);
2059 #error Not supported
2063 has_madvise = cc.links(gnu_source_prefix + '''
2064 #include <sys/types.h>
2065 #include <sys/mman.h>
2067 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2068 missing_madvise_proto = false
2070 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2071 # but forget to prototype it. In this case, has_madvise will be true (the
2072 # test program links despite a compile warning). To detect the
2073 # missing-prototype case, we try again with a definitely-bogus prototype.
2074 # This will only compile if the system headers don't provide the prototype;
2075 # otherwise the conflicting prototypes will cause a compiler error.
2076 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2077 #include <sys/types.h>
2078 #include <sys/mman.h>
2080 extern int madvise(int);
2081 int main(void) { return madvise(0); }''')
2083 config_host_data.set('CONFIG_MADVISE', has_madvise)
2084 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2086 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2087 #include <sys/mman.h>
2088 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2089 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2091 #if !defined(AT_EMPTY_PATH)
2092 # error missing definition
2094 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2096 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2097 #include <sys/mman.h>
2099 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2101 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2102 #include <pthread.h>
2104 static void *f(void *p) { return NULL; }
2108 pthread_create(&thread, 0, f, 0);
2109 pthread_setname_np(thread, "QEMU");
2111 }''', dependencies: threads))
2112 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2113 #include <pthread.h>
2115 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2119 pthread_create(&thread, 0, f, 0);
2121 }''', dependencies: threads))
2122 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2123 #include <pthread.h>
2128 pthread_condattr_t attr
2129 pthread_condattr_init(&attr);
2130 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2132 }''', dependencies: threads))
2133 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2134 #include <pthread.h>
2136 static void *f(void *p) { return NULL; }
2139 int setsize = CPU_ALLOC_SIZE(64);
2142 pthread_create(&thread, 0, f, 0);
2143 cpuset = CPU_ALLOC(64);
2144 CPU_ZERO_S(setsize, cpuset);
2145 pthread_setaffinity_np(thread, setsize, cpuset);
2146 pthread_getaffinity_np(thread, setsize, cpuset);
2149 }''', dependencies: threads))
2150 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2151 #include <sys/signalfd.h>
2153 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2154 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2162 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2163 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2167 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2168 #include <sys/mman.h>
2169 int main(int argc, char *argv[]) {
2170 return mlockall(MCL_FUTURE);
2174 if get_option('l2tpv3').allowed() and have_system
2175 have_l2tpv3 = cc.has_type('struct mmsghdr',
2176 prefix: gnu_source_prefix + '''
2177 #include <sys/socket.h>
2178 #include <linux/ip.h>''')
2180 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2183 if get_option('netmap').allowed() and have_system
2184 have_netmap = cc.compiles('''
2185 #include <inttypes.h>
2187 #include <net/netmap.h>
2188 #include <net/netmap_user.h>
2189 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2192 int main(void) { return 0; }''')
2193 if not have_netmap and get_option('netmap').enabled()
2194 error('Netmap headers not available')
2197 config_host_data.set('CONFIG_NETMAP', have_netmap)
2199 # Work around a system header bug with some kernel/XFS header
2200 # versions where they both try to define 'struct fsxattr':
2201 # xfs headers will not try to redefine structs from linux headers
2202 # if this macro is set.
2203 config_host_data.set('HAVE_FSXATTR', cc.links('''
2204 #include <linux/fs.h>
2210 # Some versions of Mac OS X incorrectly define SIZE_MAX
2211 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2214 int main(int argc, char *argv[]) {
2215 return printf("%zu", SIZE_MAX);
2216 }''', args: ['-Werror']))
2223 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2224 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2225 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2226 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2227 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2231 # See if 64-bit atomic operations are supported.
2232 # Note that without __atomic builtins, we can only
2233 # assume atomic loads/stores max at pointer size.
2234 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2236 has_int128 = cc.links('''
2246 config_host_data.set('CONFIG_INT128', has_int128)
2249 # "do we have 128-bit atomics which are handled inline and specifically not
2250 # via libatomic". The reason we can't use libatomic is documented in the
2251 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2252 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2254 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2256 if not has_atomic128
2257 has_cmpxchg128 = cc.links('''
2260 unsigned __int128 x = 0, y = 0;
2261 __sync_val_compare_and_swap_16(&x, y, x);
2266 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2270 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2271 #include <sys/auxv.h>
2273 return getauxval(AT_HWCAP) == 0;
2276 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2277 #include <linux/usbdevice_fs.h>
2279 #ifndef USBDEVFS_GET_CAPABILITIES
2280 #error "USBDEVFS_GET_CAPABILITIES undefined"
2283 #ifndef USBDEVFS_DISCONNECT_CLAIM
2284 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2287 int main(void) { return 0; }'''))
2289 have_keyring = get_option('keyring') \
2290 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2291 .require(cc.compiles('''
2293 #include <asm/unistd.h>
2294 #include <linux/keyctl.h>
2295 #include <sys/syscall.h>
2298 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2299 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2300 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2302 have_cpuid_h = cc.links('''
2305 unsigned a, b, c, d;
2306 unsigned max = __get_cpuid_max(0, 0);
2309 __cpuid(1, a, b, c, d);
2313 __cpuid_count(7, 0, a, b, c, d);
2318 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2320 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2321 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2322 .require(cc.links('''
2323 #pragma GCC push_options
2324 #pragma GCC target("avx2")
2326 #include <immintrin.h>
2327 static int bar(void *a) {
2328 __m256i x = *(__m256i *)a;
2329 return _mm256_testz_si256(x, x);
2331 int main(int argc, char *argv[]) { return bar(argv[0]); }
2332 '''), error_message: 'AVX2 not available').allowed())
2334 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2335 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2336 .require(cc.links('''
2337 #pragma GCC push_options
2338 #pragma GCC target("avx512f")
2340 #include <immintrin.h>
2341 static int bar(void *a) {
2342 __m512i x = *(__m512i *)a;
2343 return _mm512_test_epi64_mask(x, x);
2345 int main(int argc, char *argv[]) { return bar(argv[0]); }
2346 '''), error_message: 'AVX512F not available').allowed())
2348 have_pvrdma = get_option('pvrdma') \
2349 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2350 .require(cc.compiles(gnu_source_prefix + '''
2351 #include <sys/mman.h>
2356 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2359 }'''), error_message: 'PVRDMA requires mremap').allowed()
2362 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2363 #include <infiniband/verbs.h>
2367 struct ibv_pd *pd = NULL;
2373 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2379 if get_option('membarrier').disabled()
2380 have_membarrier = false
2381 elif targetos == 'windows'
2382 have_membarrier = true
2383 elif targetos == 'linux'
2384 have_membarrier = cc.compiles('''
2385 #include <linux/membarrier.h>
2386 #include <sys/syscall.h>
2390 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2391 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2395 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2396 .require(have_membarrier, error_message: 'membarrier system call not available') \
2399 have_afalg = get_option('crypto_afalg') \
2400 .require(cc.compiles(gnu_source_prefix + '''
2402 #include <sys/types.h>
2403 #include <sys/socket.h>
2404 #include <linux/if_alg.h>
2407 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2410 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2411 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2413 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2414 'linux/vm_sockets.h', 'AF_VSOCK',
2415 prefix: '#include <sys/socket.h>',
2419 have_vss_sdk = false # old xp/2003 SDK
2420 if targetos == 'windows' and link_language == 'cpp'
2421 have_vss = cxx.compiles('''
2422 #define __MIDL_user_allocate_free_DEFINED__
2424 int main(void) { return VSS_CTX_BACKUP; }''')
2425 have_vss_sdk = cxx.has_header('vscoordint.h')
2427 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2429 foreach k, v: config_host
2430 if k.startswith('CONFIG_')
2431 config_host_data.set(k, v == 'y' ? 1 : v)
2435 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2436 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2437 if targetos == 'windows'
2438 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2444 }''', name: '_lock_file and _unlock_file'))
2447 ########################
2448 # Target configuration #
2449 ########################
2451 minikconf = find_program('scripts/minikconf.py')
2453 config_all_devices = {}
2454 config_all_disas = {}
2455 config_devices_mak_list = []
2456 config_devices_h = {}
2457 config_target_h = {}
2458 config_target_mak = {}
2461 'alpha' : ['CONFIG_ALPHA_DIS'],
2462 'avr' : ['CONFIG_AVR_DIS'],
2463 'cris' : ['CONFIG_CRIS_DIS'],
2464 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2465 'hppa' : ['CONFIG_HPPA_DIS'],
2466 'i386' : ['CONFIG_I386_DIS'],
2467 'x86_64' : ['CONFIG_I386_DIS'],
2468 'm68k' : ['CONFIG_M68K_DIS'],
2469 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2470 'mips' : ['CONFIG_MIPS_DIS'],
2471 'nios2' : ['CONFIG_NIOS2_DIS'],
2472 'or1k' : ['CONFIG_OPENRISC_DIS'],
2473 'ppc' : ['CONFIG_PPC_DIS'],
2474 'riscv' : ['CONFIG_RISCV_DIS'],
2475 'rx' : ['CONFIG_RX_DIS'],
2476 's390' : ['CONFIG_S390_DIS'],
2477 'sh4' : ['CONFIG_SH4_DIS'],
2478 'sparc' : ['CONFIG_SPARC_DIS'],
2479 'xtensa' : ['CONFIG_XTENSA_DIS'],
2480 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2482 if link_language == 'cpp'
2484 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2488 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2490 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2491 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2492 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2493 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2494 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2495 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2496 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2497 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2498 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2499 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2500 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2501 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2502 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2503 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2505 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2507 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2508 actual_target_dirs = []
2510 foreach target : target_dirs
2511 config_target = { 'TARGET_NAME': target.split('-')[0] }
2512 if target.endswith('linux-user')
2513 if targetos != 'linux'
2517 error('Target @0@ is only available on a Linux host'.format(target))
2519 config_target += { 'CONFIG_LINUX_USER': 'y' }
2520 elif target.endswith('bsd-user')
2521 if 'CONFIG_BSD' not in config_host
2525 error('Target @0@ is only available on a BSD host'.format(target))
2527 config_target += { 'CONFIG_BSD_USER': 'y' }
2528 elif target.endswith('softmmu')
2529 config_target += { 'CONFIG_SOFTMMU': 'y' }
2531 if target.endswith('-user')
2533 'CONFIG_USER_ONLY': 'y',
2534 'CONFIG_QEMU_INTERP_PREFIX':
2535 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2540 foreach sym: accelerators
2541 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2542 config_target += { sym: 'y' }
2543 config_all += { sym: 'y' }
2544 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2545 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2547 if target in modular_tcg
2548 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2550 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2552 accel_kconfig += [ sym + '=y' ]
2555 if accel_kconfig.length() == 0
2559 error('No accelerator available for target @0@'.format(target))
2562 actual_target_dirs += target
2563 config_target += keyval.load('configs/targets' / target + '.mak')
2564 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2566 if 'TARGET_NEED_FDT' in config_target
2567 fdt_required += target
2571 if 'TARGET_BASE_ARCH' not in config_target
2572 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2574 if 'TARGET_ABI_DIR' not in config_target
2575 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2577 if 'TARGET_BIG_ENDIAN' not in config_target
2578 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2581 foreach k, v: disassemblers
2582 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2584 config_target += { sym: 'y' }
2585 config_all_disas += { sym: 'y' }
2590 config_target_data = configuration_data()
2591 foreach k, v: config_target
2592 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2594 elif ignored.contains(k)
2596 elif k == 'TARGET_BASE_ARCH'
2597 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2598 # not used to select files from sourcesets.
2599 config_target_data.set('TARGET_' + v.to_upper(), 1)
2600 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2601 config_target_data.set_quoted(k, v)
2603 config_target_data.set(k, 1)
2605 config_target_data.set(k, 0)
2607 config_target_data.set(k, v)
2610 config_target_data.set('QEMU_ARCH',
2611 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2612 config_target_h += {target: configure_file(output: target + '-config-target.h',
2613 configuration: config_target_data)}
2615 if target.endswith('-softmmu')
2616 config_input = meson.get_external_property(target, 'default')
2617 config_devices_mak = target + '-config-devices.mak'
2618 config_devices_mak = configure_file(
2619 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2620 output: config_devices_mak,
2621 depfile: config_devices_mak + '.d',
2623 command: [minikconf,
2624 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2625 config_devices_mak, '@DEPFILE@', '@INPUT@',
2626 host_kconfig, accel_kconfig,
2627 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2629 config_devices_data = configuration_data()
2630 config_devices = keyval.load(config_devices_mak)
2631 foreach k, v: config_devices
2632 config_devices_data.set(k, 1)
2634 config_devices_mak_list += config_devices_mak
2635 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2636 configuration: config_devices_data)}
2637 config_target += config_devices
2638 config_all_devices += config_devices
2640 config_target_mak += {target: config_target}
2642 target_dirs = actual_target_dirs
2644 # This configuration is used to build files that are shared by
2645 # multiple binaries, and then extracted out of the "common"
2646 # static_library target.
2648 # We do not use all_sources()/all_dependencies(), because it would
2649 # build literally all source files, including devices only used by
2650 # targets that are not built for this compilation. The CONFIG_ALL
2651 # pseudo symbol replaces it.
2653 config_all += config_all_devices
2654 config_all += config_host
2655 config_all += config_all_disas
2657 'CONFIG_XEN': xen.found(),
2658 'CONFIG_SOFTMMU': have_system,
2659 'CONFIG_USER_ONLY': have_user,
2663 target_configs_h = []
2664 foreach target: target_dirs
2665 target_configs_h += config_target_h[target]
2666 target_configs_h += config_devices_h.get(target, [])
2668 genh += custom_target('config-poison.h',
2669 input: [target_configs_h],
2670 output: 'config-poison.h',
2672 command: [find_program('scripts/make-config-poison.sh'),
2679 capstone = not_found
2680 if not get_option('capstone').auto() or have_system or have_user
2681 capstone = dependency('capstone', version: '>=3.0.5',
2682 kwargs: static_kwargs, method: 'pkg-config',
2683 required: get_option('capstone'))
2685 # Some versions of capstone have broken pkg-config file
2686 # that reports a wrong -I path, causing the #include to
2687 # fail later. If the system has such a broken version
2689 if capstone.found() and not cc.compiles('#include <capstone.h>',
2690 dependencies: [capstone])
2691 capstone = not_found
2692 if get_option('capstone').enabled()
2693 error('capstone requested, but it does not appear to work')
2698 libvfio_user_dep = not_found
2699 if have_system and vfio_user_server_allowed
2700 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2702 if not have_internal
2703 error('libvfio-user source not found - please pull git submodule')
2706 libvfio_user_proj = subproject('libvfio-user')
2708 libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2710 libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2715 fdt_opt = get_option('fdt')
2716 if fdt_opt in ['enabled', 'auto', 'system']
2717 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2718 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2719 required: fdt_opt == 'system' or
2720 fdt_opt == 'enabled' and not have_internal)
2721 if fdt.found() and cc.links('''
2723 #include <libfdt_env.h>
2724 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2727 elif fdt_opt == 'system'
2728 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2730 fdt_opt = 'internal'
2732 fdt_opt = 'disabled'
2736 if fdt_opt == 'internal'
2739 'dtc/libfdt/fdt_ro.c',
2740 'dtc/libfdt/fdt_wip.c',
2741 'dtc/libfdt/fdt_sw.c',
2742 'dtc/libfdt/fdt_rw.c',
2743 'dtc/libfdt/fdt_strerror.c',
2744 'dtc/libfdt/fdt_empty_tree.c',
2745 'dtc/libfdt/fdt_addresses.c',
2746 'dtc/libfdt/fdt_overlay.c',
2747 'dtc/libfdt/fdt_check.c',
2750 fdt_inc = include_directories('dtc/libfdt')
2751 libfdt = static_library('fdt',
2752 build_by_default: false,
2754 include_directories: fdt_inc)
2755 fdt = declare_dependency(link_with: libfdt,
2756 include_directories: fdt_inc)
2759 fdt_opt = 'disabled'
2761 if not fdt.found() and fdt_required.length() > 0
2762 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2765 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2766 config_host_data.set('CONFIG_FDT', fdt.found())
2767 config_host_data.set('CONFIG_SLIRP', slirp.found())
2769 #####################
2770 # Generated sources #
2771 #####################
2773 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2775 hxtool = find_program('scripts/hxtool')
2776 shaderinclude = find_program('scripts/shaderinclude.pl')
2777 qapi_gen = find_program('scripts/qapi-gen.py')
2778 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2779 meson.current_source_dir() / 'scripts/qapi/commands.py',
2780 meson.current_source_dir() / 'scripts/qapi/common.py',
2781 meson.current_source_dir() / 'scripts/qapi/error.py',
2782 meson.current_source_dir() / 'scripts/qapi/events.py',
2783 meson.current_source_dir() / 'scripts/qapi/expr.py',
2784 meson.current_source_dir() / 'scripts/qapi/gen.py',
2785 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2786 meson.current_source_dir() / 'scripts/qapi/parser.py',
2787 meson.current_source_dir() / 'scripts/qapi/schema.py',
2788 meson.current_source_dir() / 'scripts/qapi/source.py',
2789 meson.current_source_dir() / 'scripts/qapi/types.py',
2790 meson.current_source_dir() / 'scripts/qapi/visit.py',
2791 meson.current_source_dir() / 'scripts/qapi/common.py',
2792 meson.current_source_dir() / 'scripts/qapi-gen.py'
2796 python, files('scripts/tracetool.py'),
2797 '--backend=' + ','.join(get_option('trace_backends'))
2799 tracetool_depends = files(
2800 'scripts/tracetool/backend/log.py',
2801 'scripts/tracetool/backend/__init__.py',
2802 'scripts/tracetool/backend/dtrace.py',
2803 'scripts/tracetool/backend/ftrace.py',
2804 'scripts/tracetool/backend/simple.py',
2805 'scripts/tracetool/backend/syslog.py',
2806 'scripts/tracetool/backend/ust.py',
2807 'scripts/tracetool/format/ust_events_c.py',
2808 'scripts/tracetool/format/ust_events_h.py',
2809 'scripts/tracetool/format/__init__.py',
2810 'scripts/tracetool/format/d.py',
2811 'scripts/tracetool/format/simpletrace_stap.py',
2812 'scripts/tracetool/format/c.py',
2813 'scripts/tracetool/format/h.py',
2814 'scripts/tracetool/format/log_stap.py',
2815 'scripts/tracetool/format/stap.py',
2816 'scripts/tracetool/__init__.py',
2817 'scripts/tracetool/transform.py',
2818 'scripts/tracetool/vcpu.py'
2821 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2822 meson.current_source_dir(),
2823 get_option('pkgversion'), meson.project_version()]
2824 qemu_version = custom_target('qemu-version.h',
2825 output: 'qemu-version.h',
2826 command: qemu_version_cmd,
2828 build_by_default: true,
2829 build_always_stale: true)
2830 genh += qemu_version
2834 ['qemu-options.hx', 'qemu-options.def'],
2835 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2839 ['hmp-commands.hx', 'hmp-commands.h'],
2840 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2843 foreach d : hx_headers
2844 hxdep += custom_target(d[1],
2848 build_by_default: true, # to be removed when added to a target
2849 command: [hxtool, '-h', '@INPUT0@'])
2857 authz_ss = ss.source_set()
2858 blockdev_ss = ss.source_set()
2859 block_ss = ss.source_set()
2860 chardev_ss = ss.source_set()
2861 common_ss = ss.source_set()
2862 crypto_ss = ss.source_set()
2863 hwcore_ss = ss.source_set()
2864 io_ss = ss.source_set()
2865 qmp_ss = ss.source_set()
2866 qom_ss = ss.source_set()
2867 softmmu_ss = ss.source_set()
2868 specific_fuzz_ss = ss.source_set()
2869 specific_ss = ss.source_set()
2870 stub_ss = ss.source_set()
2871 trace_ss = ss.source_set()
2872 user_ss = ss.source_set()
2873 util_ss = ss.source_set()
2876 qtest_module_ss = ss.source_set()
2877 tcg_module_ss = ss.source_set()
2883 target_softmmu_arch = {}
2884 target_user_arch = {}
2890 # TODO: add each directory to the subdirs from its own meson.build, once
2892 trace_events_subdirs = [
2901 trace_events_subdirs += [ 'linux-user' ]
2904 trace_events_subdirs += [ 'bsd-user' ]
2907 trace_events_subdirs += [
2916 trace_events_subdirs += [
2930 'hw/block/dataplane',
2979 if have_system or have_user
2980 trace_events_subdirs += [
2998 vhost_user = not_found
2999 if targetos == 'linux' and have_vhost_user
3000 libvhost_user = subproject('libvhost-user')
3001 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3004 libvduse = not_found
3006 libvduse_proj = subproject('libvduse')
3007 libvduse = libvduse_proj.get_variable('libvduse_dep')
3010 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3011 # that is filled in by qapi/.
3026 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3027 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3030 qom_ss = qom_ss.apply(config_host, strict: false)
3031 libqom = static_library('qom', qom_ss.sources() + genh,
3032 dependencies: [qom_ss.dependencies()],
3034 qom = declare_dependency(link_whole: libqom)
3036 event_loop_base = files('event-loop-base.c')
3037 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3038 build_by_default: true)
3039 event_loop_base = declare_dependency(link_whole: event_loop_base,
3040 dependencies: [qom])
3042 stub_ss = stub_ss.apply(config_all, strict: false)
3044 util_ss.add_all(trace_ss)
3045 util_ss = util_ss.apply(config_all, strict: false)
3046 libqemuutil = static_library('qemuutil',
3047 sources: util_ss.sources() + stub_ss.sources() + genh,
3048 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3049 qemuutil = declare_dependency(link_with: libqemuutil,
3050 sources: genh + version_res,
3051 dependencies: [event_loop_base])
3053 if have_system or have_user
3054 decodetree = generator(find_program('scripts/decodetree.py'),
3055 output: 'decode-@BASENAME@.c.inc',
3056 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3057 subdir('libdecnumber')
3074 if config_host_data.get('CONFIG_REPLICATION')
3075 block_ss.add(files('replication.c'))
3082 blockdev_ss.add(files(
3089 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3090 # os-win32.c does not
3091 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3092 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3095 common_ss.add(files('cpus-common.c'))
3099 common_ss.add(capstone)
3100 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3102 # Work around a gcc bug/misfeature wherein constant propagation looks
3104 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3105 # to guess that a const variable is always zero. Without lto, this is
3106 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3107 # without lto, not even the alias is required -- we simply use different
3108 # declarations in different compilation units.
3109 pagevary = files('page-vary-common.c')
3110 if get_option('b_lto')
3111 pagevary_flags = ['-fno-lto']
3112 if get_option('cfi')
3113 pagevary_flags += '-fno-sanitize=cfi-icall'
3115 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3116 c_args: pagevary_flags)
3117 pagevary = declare_dependency(link_with: pagevary)
3119 common_ss.add(pagevary)
3120 specific_ss.add(files('page-vary.c'))
3128 subdir('semihosting')
3135 common_user_inc = []
3137 subdir('common-user')
3139 subdir('linux-user')
3141 # needed for fuzzing binaries
3142 subdir('tests/qtest/libqos')
3143 subdir('tests/qtest/fuzz')
3146 tcg_real_module_ss = ss.source_set()
3147 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3148 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3149 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3150 'tcg': tcg_real_module_ss }}
3152 ########################
3153 # Library dependencies #
3154 ########################
3156 modinfo_collect = find_program('scripts/modinfo-collect.py')
3157 modinfo_generate = find_program('scripts/modinfo-generate.py')
3162 foreach d, list : modules
3163 foreach m, module_ss : list
3164 if enable_modules and targetos != 'windows'
3165 module_ss = module_ss.apply(config_all, strict: false)
3166 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3167 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3173 if module_ss.sources() != []
3174 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3175 # input. Sources can be used multiple times but objects are
3176 # unique when it comes to lookup in compile_commands.json.
3177 # Depnds on a mesion version with
3178 # https://github.com/mesonbuild/meson/pull/8900
3179 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3180 output: d + '-' + m + '.modinfo',
3181 input: module_ss.sources() + genh,
3183 command: [modinfo_collect, module_ss.sources()])
3187 block_ss.add_all(module_ss)
3189 softmmu_ss.add_all(module_ss)
3195 foreach d, list : target_modules
3196 foreach m, module_ss : list
3197 if enable_modules and targetos != 'windows'
3198 foreach target : target_dirs
3199 if target.endswith('-softmmu')
3200 config_target = config_target_mak[target]
3201 config_target += config_host
3202 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3203 c_args = ['-DNEED_CPU_H',
3204 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3205 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3206 target_module_ss = module_ss.apply(config_target, strict: false)
3207 if target_module_ss.sources() != []
3208 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3209 sl = static_library(module_name,
3210 [genh, target_module_ss.sources()],
3211 dependencies: [modulecommon, target_module_ss.dependencies()],
3212 include_directories: target_inc,
3216 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3217 modinfo_files += custom_target(module_name + '.modinfo',
3218 output: module_name + '.modinfo',
3219 input: target_module_ss.sources() + genh,
3221 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3226 specific_ss.add_all(module_ss)
3232 foreach target : target_dirs
3233 if target.endswith('-softmmu')
3234 config_target = config_target_mak[target]
3235 config_devices_mak = target + '-config-devices.mak'
3236 modinfo_src = custom_target('modinfo-' + target + '.c',
3237 output: 'modinfo-' + target + '.c',
3238 input: modinfo_files,
3239 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3242 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3243 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3245 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3246 hw_arch[arch].add(modinfo_dep)
3251 nm = find_program('nm')
3252 undefsym = find_program('scripts/undefsym.py')
3253 block_syms = custom_target('block.syms', output: 'block.syms',
3254 input: [libqemuutil, block_mods],
3256 command: [undefsym, nm, '@INPUT@'])
3257 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3258 input: [libqemuutil, softmmu_mods],
3260 command: [undefsym, nm, '@INPUT@'])
3262 authz_ss = authz_ss.apply(config_host, strict: false)
3263 libauthz = static_library('authz', authz_ss.sources() + genh,
3264 dependencies: [authz_ss.dependencies()],
3266 build_by_default: false)
3268 authz = declare_dependency(link_whole: libauthz,
3271 crypto_ss = crypto_ss.apply(config_host, strict: false)
3272 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3273 dependencies: [crypto_ss.dependencies()],
3275 build_by_default: false)
3277 crypto = declare_dependency(link_whole: libcrypto,
3278 dependencies: [authz, qom])
3280 io_ss = io_ss.apply(config_host, strict: false)
3281 libio = static_library('io', io_ss.sources() + genh,
3282 dependencies: [io_ss.dependencies()],
3283 link_with: libqemuutil,
3285 build_by_default: false)
3287 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3289 libmigration = static_library('migration', sources: migration_files + genh,
3291 build_by_default: false)
3292 migration = declare_dependency(link_with: libmigration,
3293 dependencies: [zlib, qom, io])
3294 softmmu_ss.add(migration)
3296 block_ss = block_ss.apply(config_host, strict: false)
3297 libblock = static_library('block', block_ss.sources() + genh,
3298 dependencies: block_ss.dependencies(),
3299 link_depends: block_syms,
3301 build_by_default: false)
3303 block = declare_dependency(link_whole: [libblock],
3304 link_args: '@block.syms',
3305 dependencies: [crypto, io])
3307 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3308 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3309 dependencies: blockdev_ss.dependencies(),
3311 build_by_default: false)
3313 blockdev = declare_dependency(link_whole: [libblockdev],
3314 dependencies: [block, event_loop_base])
3316 qmp_ss = qmp_ss.apply(config_host, strict: false)
3317 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3318 dependencies: qmp_ss.dependencies(),
3320 build_by_default: false)
3322 qmp = declare_dependency(link_whole: [libqmp])
3324 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3326 dependencies: chardev_ss.dependencies(),
3327 build_by_default: false)
3329 chardev = declare_dependency(link_whole: libchardev)
3331 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3332 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3334 build_by_default: false)
3335 hwcore = declare_dependency(link_whole: libhwcore)
3336 common_ss.add(hwcore)
3342 emulator_modules = []
3343 foreach m : block_mods + softmmu_mods
3344 emulator_modules += shared_module(m.name(),
3345 build_by_default: true,
3349 install_dir: qemu_moddir)
3351 if emulator_modules.length() > 0
3352 alias_target('modules', emulator_modules)
3355 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3356 common_ss.add(qom, qemuutil)
3358 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3359 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3361 common_all = common_ss.apply(config_all, strict: false)
3362 common_all = static_library('common',
3363 build_by_default: false,
3364 sources: common_all.sources() + genh,
3365 include_directories: common_user_inc,
3366 implicit_include_directories: false,
3367 dependencies: common_all.dependencies(),
3370 feature_to_c = find_program('scripts/feature_to_c.sh')
3372 if targetos == 'darwin'
3373 entitlement = find_program('scripts/entitlement.sh')
3377 foreach target : target_dirs
3378 config_target = config_target_mak[target]
3379 target_name = config_target['TARGET_NAME']
3380 target_base_arch = config_target['TARGET_BASE_ARCH']
3381 arch_srcs = [config_target_h[target]]
3383 c_args = ['-DNEED_CPU_H',
3384 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3385 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3386 link_args = emulator_link_args
3388 config_target += config_host
3389 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3390 if targetos == 'linux'
3391 target_inc += include_directories('linux-headers', is_system: true)
3393 if target.endswith('-softmmu')
3394 target_type='system'
3395 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3396 arch_srcs += t.sources()
3397 arch_deps += t.dependencies()
3399 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3400 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3401 arch_srcs += hw.sources()
3402 arch_deps += hw.dependencies()
3404 arch_srcs += config_devices_h[target]
3405 link_args += ['@block.syms', '@qemu.syms']
3407 abi = config_target['TARGET_ABI_DIR']
3409 target_inc += common_user_inc
3410 if target_base_arch in target_user_arch
3411 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3412 arch_srcs += t.sources()
3413 arch_deps += t.dependencies()
3415 if 'CONFIG_LINUX_USER' in config_target
3416 base_dir = 'linux-user'
3418 if 'CONFIG_BSD_USER' in config_target
3419 base_dir = 'bsd-user'
3420 target_inc += include_directories('bsd-user/' / targetos)
3421 target_inc += include_directories('bsd-user/host/' / host_arch)
3422 dir = base_dir / abi
3423 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3425 target_inc += include_directories(
3429 if 'CONFIG_LINUX_USER' in config_target
3430 dir = base_dir / abi
3431 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3432 if config_target.has_key('TARGET_SYSTBL_ABI')
3434 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3435 extra_args : config_target['TARGET_SYSTBL_ABI'])
3440 if 'TARGET_XML_FILES' in config_target
3441 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3442 output: target + '-gdbstub-xml.c',
3443 input: files(config_target['TARGET_XML_FILES'].split()),
3444 command: [feature_to_c, '@INPUT@'],
3446 arch_srcs += gdbstub_xml
3449 t = target_arch[target_base_arch].apply(config_target, strict: false)
3450 arch_srcs += t.sources()
3451 arch_deps += t.dependencies()
3453 target_common = common_ss.apply(config_target, strict: false)
3454 objects = common_all.extract_objects(target_common.sources())
3455 deps = target_common.dependencies()
3457 target_specific = specific_ss.apply(config_target, strict: false)
3458 arch_srcs += target_specific.sources()
3459 arch_deps += target_specific.dependencies()
3461 lib = static_library('qemu-' + target,
3462 sources: arch_srcs + genh,
3463 dependencies: arch_deps,
3465 include_directories: target_inc,
3467 build_by_default: false,
3470 if target.endswith('-softmmu')
3472 'name': 'qemu-system-' + target_name,
3473 'win_subsystem': 'console',
3474 'sources': files('softmmu/main.c'),
3477 if targetos == 'windows' and (sdl.found() or gtk.found())
3479 'name': 'qemu-system-' + target_name + 'w',
3480 'win_subsystem': 'windows',
3481 'sources': files('softmmu/main.c'),
3485 if get_option('fuzzing')
3486 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3488 'name': 'qemu-fuzz-' + target_name,
3489 'win_subsystem': 'console',
3490 'sources': specific_fuzz.sources(),
3491 'dependencies': specific_fuzz.dependencies(),
3496 'name': 'qemu-' + target_name,
3497 'win_subsystem': 'console',
3503 exe_name = exe['name']
3504 if targetos == 'darwin'
3505 exe_name += '-unsigned'
3508 emulator = executable(exe_name, exe['sources'],
3511 dependencies: arch_deps + deps + exe['dependencies'],
3512 objects: lib.extract_all_objects(recursive: true),
3513 link_language: link_language,
3514 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3515 link_args: link_args,
3516 win_subsystem: exe['win_subsystem'])
3518 if targetos == 'darwin'
3519 icon = 'pc-bios/qemu.rsrc'
3520 build_input = [emulator, files(icon)]
3522 get_option('bindir') / exe_name,
3523 meson.current_source_dir() / icon
3525 if 'CONFIG_HVF' in config_target
3526 entitlements = 'accel/hvf/entitlements.plist'
3527 build_input += files(entitlements)
3528 install_input += meson.current_source_dir() / entitlements
3531 emulators += {exe['name'] : custom_target(exe['name'],
3533 output: exe['name'],
3534 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3537 meson.add_install_script(entitlement, '--install',
3538 get_option('bindir') / exe['name'],
3541 emulators += {exe['name']: emulator}
3546 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3547 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3548 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3549 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3551 custom_target(exe['name'] + stp['ext'],
3552 input: trace_events_all,
3553 output: exe['name'] + stp['ext'],
3554 install: stp['install'],
3555 install_dir: get_option('datadir') / 'systemtap/tapset',
3557 tracetool, '--group=all', '--format=' + stp['fmt'],
3558 '--binary=' + stp['bin'],
3559 '--target-name=' + target_name,
3560 '--target-type=' + target_type,
3561 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3562 '@INPUT@', '@OUTPUT@'
3564 depend_files: tracetool_depends)
3570 # Other build targets
3572 if 'CONFIG_PLUGIN' in config_host
3573 install_headers('include/qemu/qemu-plugin.h')
3578 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3579 # when we don't build tools or system
3580 if xkbcommon.found()
3581 # used for the update-keymaps target, so include rules even if !have_tools
3582 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3583 dependencies: [qemuutil, xkbcommon], install: have_tools)
3587 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3588 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3589 qemu_io = executable('qemu-io', files('qemu-io.c'),
3590 dependencies: [block, qemuutil], install: true)
3591 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3592 dependencies: [blockdev, qemuutil, gnutls, selinux],
3595 subdir('storage-daemon')
3596 subdir('contrib/rdmacm-mux')
3597 subdir('contrib/elf2dmp')
3599 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3600 dependencies: qemuutil,
3604 subdir('contrib/vhost-user-blk')
3605 subdir('contrib/vhost-user-gpu')
3606 subdir('contrib/vhost-user-input')
3607 subdir('contrib/vhost-user-scsi')
3610 if targetos == 'linux'
3611 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3612 dependencies: [qemuutil, libcap_ng],
3614 install_dir: get_option('libexecdir'))
3616 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3617 dependencies: [authz, crypto, io, qom, qemuutil,
3618 libcap_ng, mpathpersist],
3623 subdir('contrib/ivshmem-client')
3624 subdir('contrib/ivshmem-server')
3637 if host_machine.system() == 'windows'
3639 find_program('scripts/nsis.py'),
3641 get_option('prefix'),
3642 meson.current_source_dir(),
3643 config_host['GLIB_BINDIR'],
3646 '-DDISPLAYVERSION=' + meson.project_version(),
3649 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3652 nsis_cmd += '-DCONFIG_GTK=y'
3655 nsis = custom_target('nsis',
3656 output: 'qemu-setup-' + meson.project_version() + '.exe',
3657 input: files('qemu.nsi'),
3658 build_always_stale: true,
3659 command: nsis_cmd + ['@INPUT@'])
3660 alias_target('installer', nsis)
3663 #########################
3664 # Configuration summary #
3665 #########################
3669 summary_info += {'Install prefix': get_option('prefix')}
3670 summary_info += {'BIOS directory': qemu_datadir}
3671 pathsep = targetos == 'windows' ? ';' : ':'
3672 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3673 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3674 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3675 summary_info += {'module directory': qemu_moddir}
3676 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3677 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3678 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3679 if targetos != 'windows'
3680 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3681 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3683 summary_info += {'local state directory': 'queried at runtime'}
3685 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3686 summary_info += {'Build directory': meson.current_build_dir()}
3687 summary_info += {'Source path': meson.current_source_dir()}
3688 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3689 summary(summary_info, bool_yn: true, section: 'Directories')
3693 summary_info += {'git': config_host['GIT']}
3694 summary_info += {'make': config_host['MAKE']}
3695 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3696 summary_info += {'sphinx-build': sphinx_build}
3697 if config_host.has_key('HAVE_GDB_BIN')
3698 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3700 summary_info += {'iasl': iasl}
3701 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3702 if targetos == 'windows' and have_ga
3703 summary_info += {'wixl': wixl}
3705 if slirp.found() and have_system
3706 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3708 summary(summary_info, bool_yn: true, section: 'Host binaries')
3710 # Configurable features
3712 summary_info += {'Documentation': build_docs}
3713 summary_info += {'system-mode emulation': have_system}
3714 summary_info += {'user-mode emulation': have_user}
3715 summary_info += {'block layer': have_block}
3716 summary_info += {'Install blobs': get_option('install_blobs')}
3717 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3718 if config_host.has_key('CONFIG_MODULES')
3719 summary_info += {'alternative module path': get_option('module_upgrades')}
3721 summary_info += {'fuzzing support': get_option('fuzzing')}
3723 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3725 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3726 if 'simple' in get_option('trace_backends')
3727 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3729 summary_info += {'D-Bus display': dbus_display}
3730 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3731 summary_info += {'vhost-kernel support': have_vhost_kernel}
3732 summary_info += {'vhost-net support': have_vhost_net}
3733 summary_info += {'vhost-user support': have_vhost_user}
3734 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3735 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3736 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3737 summary_info += {'build guest agent': have_ga}
3738 summary(summary_info, bool_yn: true, section: 'Configurable features')
3740 # Compilation information
3742 summary_info += {'host CPU': cpu}
3743 summary_info += {'host endianness': build_machine.endian()}
3744 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3745 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3746 if link_language == 'cpp'
3747 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3749 summary_info += {'C++ compiler': false}
3751 if targetos == 'darwin'
3752 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3754 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3755 + ['-O' + get_option('optimization')]
3756 + (get_option('debug') ? ['-g'] : []))}
3757 if link_language == 'cpp'
3758 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3759 + ['-O' + get_option('optimization')]
3760 + (get_option('debug') ? ['-g'] : []))}
3762 if targetos == 'darwin'
3763 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3764 + ['-O' + get_option('optimization')]
3765 + (get_option('debug') ? ['-g'] : []))}
3767 link_args = get_option(link_language + '_link_args')
3768 if link_args.length() > 0
3769 summary_info += {'LDFLAGS': ' '.join(link_args)}
3771 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3772 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3773 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3774 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3775 summary_info += {'profiler': get_option('profiler')}
3776 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3777 summary_info += {'PIE': get_option('b_pie')}
3778 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3779 summary_info += {'malloc trim support': has_malloc_trim}
3780 summary_info += {'membarrier': have_membarrier}
3781 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3782 summary_info += {'mutex debugging': get_option('debug_mutex')}
3783 summary_info += {'memory allocator': get_option('malloc')}
3784 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3785 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3786 summary_info += {'gprof enabled': get_option('gprof')}
3787 summary_info += {'gcov': get_option('b_coverage')}
3788 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3789 summary_info += {'CFI support': get_option('cfi')}
3790 if get_option('cfi')
3791 summary_info += {'CFI debug support': get_option('cfi_debug')}
3793 summary_info += {'strip binaries': get_option('strip')}
3794 summary_info += {'sparse': sparse}
3795 summary_info += {'mingw32 support': targetos == 'windows'}
3796 summary(summary_info, bool_yn: true, section: 'Compilation')
3798 # snarf the cross-compilation information for tests
3801 foreach target: target_dirs
3802 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3803 if fs.exists(tcg_mak)
3804 config_cross_tcg = keyval.load(tcg_mak)
3805 if 'CC' in config_cross_tcg
3806 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3812 summary(summary_info, bool_yn: true, section: 'Cross compilers')
3815 # Targets and accelerators
3818 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3819 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3820 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3821 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3822 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3823 summary_info += {'Xen support': xen.found()}
3825 summary_info += {'xen ctrl version': xen.version()}
3828 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3829 if config_all.has_key('CONFIG_TCG')
3830 if get_option('tcg_interpreter')
3831 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3833 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3835 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3836 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3838 summary_info += {'target list': ' '.join(target_dirs)}
3840 summary_info += {'default devices': get_option('default_devices')}
3841 summary_info += {'out of process emulation': multiprocess_allowed}
3842 summary_info += {'vfio-user server': vfio_user_server_allowed}
3844 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3848 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3849 summary_info += {'coroutine pool': have_coroutine_pool}
3851 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3852 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3853 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3854 summary_info += {'VirtFS support': have_virtfs}
3855 summary_info += {'build virtiofs daemon': have_virtiofsd}
3856 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3857 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3858 summary_info += {'bochs support': get_option('bochs').allowed()}
3859 summary_info += {'cloop support': get_option('cloop').allowed()}
3860 summary_info += {'dmg support': get_option('dmg').allowed()}
3861 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3862 summary_info += {'vdi support': get_option('vdi').allowed()}
3863 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3864 summary_info += {'qed support': get_option('qed').allowed()}
3865 summary_info += {'parallels support': get_option('parallels').allowed()}
3866 summary_info += {'FUSE exports': fuse}
3867 summary_info += {'VDUSE block exports': have_vduse_blk_export}
3869 summary(summary_info, bool_yn: true, section: 'Block layer support')
3873 summary_info += {'TLS priority': get_option('tls_priority')}
3874 summary_info += {'GNUTLS support': gnutls}
3876 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3878 summary_info += {'libgcrypt': gcrypt}
3879 summary_info += {'nettle': nettle}
3881 summary_info += {' XTS': xts != 'private'}
3883 summary_info += {'AF_ALG support': have_afalg}
3884 summary_info += {'rng-none': get_option('rng_none')}
3885 summary_info += {'Linux keyring': have_keyring}
3886 summary(summary_info, bool_yn: true, section: 'Crypto')
3890 if targetos == 'darwin'
3891 summary_info += {'Cocoa support': cocoa}
3892 summary_info += {'vmnet.framework support': vmnet}
3894 summary_info += {'SDL support': sdl}
3895 summary_info += {'SDL image support': sdl_image}
3896 summary_info += {'GTK support': gtk}
3897 summary_info += {'pixman': pixman}
3898 summary_info += {'VTE support': vte}
3899 summary_info += {'slirp support': slirp}
3900 summary_info += {'libtasn1': tasn1}
3901 summary_info += {'PAM': pam}
3902 summary_info += {'iconv support': iconv}
3903 summary_info += {'curses support': curses}
3904 summary_info += {'virgl support': virgl}
3905 summary_info += {'blkio support': blkio}
3906 summary_info += {'curl support': curl}
3907 summary_info += {'Multipath support': mpathpersist}
3908 summary_info += {'PNG support': png}
3909 summary_info += {'VNC support': vnc}
3911 summary_info += {'VNC SASL support': sasl}
3912 summary_info += {'VNC JPEG support': jpeg}
3914 if targetos not in ['darwin', 'haiku', 'windows']
3915 summary_info += {'OSS support': oss}
3916 summary_info += {'sndio support': sndio}
3917 elif targetos == 'darwin'
3918 summary_info += {'CoreAudio support': coreaudio}
3919 elif targetos == 'windows'
3920 summary_info += {'DirectSound support': dsound}
3922 if targetos == 'linux'
3923 summary_info += {'ALSA support': alsa}
3924 summary_info += {'PulseAudio support': pulse}
3926 summary_info += {'JACK support': jack}
3927 summary_info += {'brlapi support': brlapi}
3928 summary_info += {'vde support': vde}
3929 summary_info += {'netmap support': have_netmap}
3930 summary_info += {'l2tpv3 support': have_l2tpv3}
3931 summary_info += {'Linux AIO support': libaio}
3932 summary_info += {'Linux io_uring support': linux_io_uring}
3933 summary_info += {'ATTR/XATTR support': libattr}
3934 summary_info += {'RDMA support': rdma}
3935 summary_info += {'PVRDMA support': have_pvrdma}
3936 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3937 summary_info += {'libcap-ng support': libcap_ng}
3938 summary_info += {'bpf support': libbpf}
3939 summary_info += {'spice protocol support': spice_protocol}
3940 if spice_protocol.found()
3941 summary_info += {' spice server support': spice}
3943 summary_info += {'rbd support': rbd}
3944 summary_info += {'smartcard support': cacard}
3945 summary_info += {'U2F support': u2f}
3946 summary_info += {'libusb': libusb}
3947 summary_info += {'usb net redir': usbredir}
3948 summary_info += {'OpenGL support (epoxy)': opengl}
3949 summary_info += {'GBM': gbm}
3950 summary_info += {'libiscsi support': libiscsi}
3951 summary_info += {'libnfs support': libnfs}
3952 if targetos == 'windows'
3954 summary_info += {'QGA VSS support': have_qga_vss}
3957 summary_info += {'seccomp support': seccomp}
3958 summary_info += {'GlusterFS support': glusterfs}
3959 summary_info += {'TPM support': have_tpm}
3960 summary_info += {'libssh support': libssh}
3961 summary_info += {'lzo support': lzo}
3962 summary_info += {'snappy support': snappy}
3963 summary_info += {'bzip2 support': libbzip2}
3964 summary_info += {'lzfse support': liblzfse}
3965 summary_info += {'zstd support': zstd}
3966 summary_info += {'NUMA host support': numa}
3967 summary_info += {'capstone': capstone}
3968 summary_info += {'libpmem support': libpmem}
3969 summary_info += {'libdaxctl support': libdaxctl}
3970 summary_info += {'libudev': libudev}
3971 # Dummy dependency, keep .found()
3972 summary_info += {'FUSE lseek': fuse_lseek.found()}
3973 summary_info += {'selinux': selinux}
3974 summary(summary_info, bool_yn: true, section: 'Dependencies')
3976 if not supported_cpus.contains(cpu)
3978 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3980 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3981 message('The QEMU project intends to remove support for this host CPU in')
3982 message('a future release if nobody volunteers to maintain it and to')
3983 message('provide a build host for our continuous integration setup.')
3984 message('configure has succeeded and you can continue to build, but')
3985 message('if you care about QEMU on this platform you should contact')
3986 message('us upstream at qemu-devel@nongnu.org.')
3989 if not supported_oses.contains(targetos)
3991 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3993 message('Host OS ' + targetos + 'support is not currently maintained.')
3994 message('The QEMU project intends to remove support for this host OS in')
3995 message('a future release if nobody volunteers to maintain it and to')
3996 message('provide a build host for our continuous integration setup.')
3997 message('configure has succeeded and you can continue to build, but')
3998 message('if you care about QEMU on this platform you should contact')
3999 message('us upstream at qemu-devel@nongnu.org.')