1 project('qemu', ['c'], meson_version: '>=0.59.3',
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'],
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_cxxflags = config_host['QEMU_CXXFLAGS'].split()
184 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
185 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
187 if targetos == 'windows'
188 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
189 # Disable ASLR for debug builds to allow debugging with gdb
190 if get_option('optimization') == '0'
191 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
195 if get_option('gprof')
196 qemu_cflags += ['-p']
197 qemu_cxxflags += ['-p']
198 qemu_objcflags += ['-p']
199 qemu_ldflags += ['-p']
202 # Specify linker-script with add_project_link_arguments so that it is not placed
203 # within a linker --start-group/--end-group pair
204 if get_option('fuzzing')
205 add_project_link_arguments(['-Wl,-T,',
206 (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
207 native: false, language: ['c', 'cpp', 'objc'])
209 # Specify a filter to only instrument code that is directly related to
211 configure_file(output: 'instrumentation-filter',
212 input: 'scripts/oss-fuzz/instrumentation-filter-template',
215 if cc.compiles('int main () { return 0; }',
216 name: '-fsanitize-coverage-allowlist=/dev/null',
217 args: ['-fsanitize-coverage-allowlist=/dev/null',
218 '-fsanitize-coverage=trace-pc'] )
219 add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
220 native: false, language: ['c', 'cpp', 'objc'])
223 if get_option('fuzzing_engine') == ''
224 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
225 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
226 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
227 # unable to bind the fuzzer-related callbacks added by instrumentation.
228 add_global_arguments('-fsanitize=fuzzer-no-link',
229 native: false, language: ['c', 'cpp', 'objc'])
230 add_global_link_arguments('-fsanitize=fuzzer-no-link',
231 native: false, language: ['c', 'cpp', 'objc'])
232 # For the actual fuzzer binaries, we need to link against the libfuzzer
233 # library. They need to be configurable, to support OSS-Fuzz
234 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
236 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
237 # the needed CFLAGS have already been provided
238 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
242 add_global_arguments(qemu_cflags, native: false, language: ['c'])
243 add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
244 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
245 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
247 if targetos == 'linux'
248 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
249 '-isystem', 'linux-headers',
250 language: ['c', 'cpp'])
253 add_project_arguments('-iquote', '.',
254 '-iquote', meson.current_source_dir(),
255 '-iquote', meson.current_source_dir() / 'include',
256 language: ['c', 'cpp', 'objc'])
258 link_language = meson.get_external_property('link_language', 'cpp')
259 if link_language == 'cpp'
260 add_languages('cpp', required: true, native: false)
261 cxx = meson.get_compiler('cpp')
266 if host_machine.system() == 'darwin'
267 add_languages('objc', required: false, native: false)
270 sparse = find_program('cgcc', required: get_option('sparse'))
273 command: [find_program('scripts/check_sparse.py'),
274 'compile_commands.json', sparse.full_path(), '-Wbitwise',
275 '-Wno-transparent-union', '-Wno-old-initializer',
276 '-Wno-non-pointer-null'])
279 ###########################################
280 # Target-specific checks and dependencies #
281 ###########################################
284 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
287 #include <sys/types.h>
288 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
289 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
291 args: ['-Werror', '-fsanitize=fuzzer'])
292 error('Your compiler does not support -fsanitize=fuzzer')
296 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
297 error('ftrace is supported only on Linux')
299 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
302 openlog("qemu", LOG_PID, LOG_DAEMON);
303 syslog(LOG_INFO, "configure");
306 error('syslog is not supported on this system')
309 # Miscellaneous Linux-only features
310 get_option('mpath') \
311 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
313 multiprocess_allowed = get_option('multiprocess') \
314 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
317 vfio_user_server_allowed = get_option('vfio_user_server') \
318 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
321 have_tpm = get_option('tpm') \
322 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
326 have_vhost_user = get_option('vhost_user') \
327 .disable_auto_if(targetos != 'linux') \
328 .require(targetos != 'windows',
329 error_message: 'vhost-user is not available on Windows').allowed()
330 have_vhost_vdpa = get_option('vhost_vdpa') \
331 .require(targetos == 'linux',
332 error_message: 'vhost-vdpa is only available on Linux').allowed()
333 have_vhost_kernel = get_option('vhost_kernel') \
334 .require(targetos == 'linux',
335 error_message: 'vhost-kernel is only available on Linux').allowed()
336 have_vhost_user_crypto = get_option('vhost_crypto') \
337 .require(have_vhost_user,
338 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
340 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
342 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
343 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
344 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
345 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
347 # Target-specific libraries and flags
348 libm = cc.find_library('m', required: false)
349 threads = dependency('threads')
350 util = cc.find_library('util', required: false)
356 emulator_link_args = []
363 if targetos == 'windows'
364 midl = find_program('midl', required: false)
365 widl = find_program('widl', required: false)
366 pathcch = cc.find_library('pathcch')
367 socket = cc.find_library('ws2_32')
368 winmm = cc.find_library('winmm')
370 win = import('windows')
371 version_res = win.compile_resources('version.rc',
372 depend_files: files('pc-bios/qemu-nsis.ico'),
373 include_directories: include_directories('.'))
375 elif targetos == 'darwin'
376 coref = dependency('appleframeworks', modules: 'CoreFoundation')
377 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
378 host_dsosuf = '.dylib'
379 elif targetos == 'sunos'
380 socket = [cc.find_library('socket'),
381 cc.find_library('nsl'),
382 cc.find_library('resolv')]
383 elif targetos == 'haiku'
384 socket = [cc.find_library('posix_error_mapper'),
385 cc.find_library('network'),
386 cc.find_library('bsd')]
387 elif targetos == 'openbsd'
388 if get_option('tcg').allowed() and target_dirs.length() > 0
389 # Disable OpenBSD W^X if available
390 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
394 # Target-specific configuration of accelerators
396 if get_option('kvm').allowed() and targetos == 'linux'
397 accelerators += 'CONFIG_KVM'
399 if get_option('whpx').allowed() and targetos == 'windows'
400 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
401 error('WHPX requires 64-bit host')
402 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
403 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
404 accelerators += 'CONFIG_WHPX'
407 if get_option('hvf').allowed()
408 hvf = dependency('appleframeworks', modules: 'Hypervisor',
409 required: get_option('hvf'))
411 accelerators += 'CONFIG_HVF'
414 if get_option('hax').allowed()
415 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
416 accelerators += 'CONFIG_HAX'
419 if targetos == 'netbsd'
420 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
422 accelerators += 'CONFIG_NVMM'
427 if get_option('tcg').allowed()
428 if host_arch == 'unknown'
429 if get_option('tcg_interpreter')
430 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
432 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
434 elif get_option('tcg_interpreter')
435 warning('Use of the TCG interpreter is not recommended on this host')
436 warning('architecture. There is a native TCG execution backend available')
437 warning('which provides substantially better performance and reliability.')
438 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
439 warning('configuration option on this architecture to use the native')
442 if get_option('tcg_interpreter')
444 elif host_arch == 'sparc64'
446 elif host_arch == 'x86_64'
448 elif host_arch == 'ppc64'
451 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
452 language: ['c', 'cpp', 'objc'])
454 accelerators += 'CONFIG_TCG'
455 config_host += { 'CONFIG_TCG': 'y' }
458 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
459 error('KVM not available on this platform')
461 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
462 error('HVF not available on this platform')
464 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
465 error('NVMM not available on this platform')
467 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
468 error('WHPX not available on this platform')
475 # The path to glib.h is added to all compilation commands. This was
476 # grandfathered in from the QEMU Makefiles.
477 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
478 native: false, language: ['c', 'cpp', 'objc'])
479 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
480 link_args: config_host['GLIB_LIBS'].split(),
481 version: config_host['GLIB_VERSION'],
483 'bindir': config_host['GLIB_BINDIR'],
485 # override glib dep with the configure results (for subprojects)
486 meson.override_dependency('glib-2.0', glib)
489 gdbus_codegen = not_found
490 if not get_option('gio').auto() or have_system
491 gio = dependency('gio-2.0', required: get_option('gio'),
492 method: 'pkg-config', kwargs: static_kwargs)
493 if gio.found() and not cc.links('''
497 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
499 }''', dependencies: [glib, gio])
500 if get_option('gio').enabled()
501 error('The installed libgio is broken for static linking')
506 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
507 required: get_option('gio'))
508 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
509 method: 'pkg-config', kwargs: static_kwargs)
510 gio = declare_dependency(dependencies: [gio, gio_unix],
511 version: gio.version())
516 if 'ust' in get_option('trace_backends')
517 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
518 method: 'pkg-config', kwargs: static_kwargs)
521 if have_system or have_tools
522 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
523 method: 'pkg-config', kwargs: static_kwargs)
525 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
528 if not get_option('linux_aio').auto() or have_block
529 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
530 required: get_option('linux_aio'),
531 kwargs: static_kwargs)
534 linux_io_uring_test = '''
535 #include <liburing.h>
536 #include <linux/errqueue.h>
538 int main(void) { return 0; }'''
540 linux_io_uring = not_found
541 if not get_option('linux_io_uring').auto() or have_block
542 linux_io_uring = dependency('liburing', version: '>=0.3',
543 required: get_option('linux_io_uring'),
544 method: 'pkg-config', kwargs: static_kwargs)
545 if not cc.links(linux_io_uring_test)
546 linux_io_uring = not_found
551 if not get_option('libnfs').auto() or have_block
552 libnfs = dependency('libnfs', version: '>=1.9.3',
553 required: get_option('libnfs'),
554 method: 'pkg-config', kwargs: static_kwargs)
559 #include <sys/types.h>
560 #ifdef CONFIG_LIBATTR
561 #include <attr/xattr.h>
563 #include <sys/xattr.h>
565 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
568 have_old_libattr = false
569 if get_option('attr').allowed()
570 if cc.links(libattr_test)
571 libattr = declare_dependency()
573 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
574 required: get_option('attr'),
575 kwargs: static_kwargs)
576 if libattr.found() and not \
577 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
579 if get_option('attr').enabled()
580 error('could not link libattr')
582 warning('could not link libattr, disabling')
585 have_old_libattr = libattr.found()
590 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
591 required: get_option('cocoa'))
592 if cocoa.found() and get_option('sdl').enabled()
593 error('Cocoa and SDL cannot be enabled at the same time')
595 if cocoa.found() and get_option('gtk').enabled()
596 error('Cocoa and GTK+ cannot be enabled at the same time')
599 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
600 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
601 'VMNET_BRIDGED_MODE',
604 if get_option('vmnet').enabled()
605 error('vmnet.framework API is outdated')
607 warning('vmnet.framework API is outdated, disabling')
612 if not get_option('seccomp').auto() or have_system or have_tools
613 seccomp = dependency('libseccomp', version: '>=2.3.0',
614 required: get_option('seccomp'),
615 method: 'pkg-config', kwargs: static_kwargs)
618 libcap_ng = not_found
619 if not get_option('cap_ng').auto() or have_system or have_tools
620 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
621 required: get_option('cap_ng'),
622 kwargs: static_kwargs)
624 if libcap_ng.found() and not cc.links('''
628 capng_capability_to_name(CAPNG_EFFECTIVE);
630 }''', dependencies: libcap_ng)
631 libcap_ng = not_found
632 if get_option('cap_ng').enabled()
633 error('could not link libcap-ng')
635 warning('could not link libcap-ng, disabling')
639 if get_option('xkbcommon').auto() and not have_system and not have_tools
640 xkbcommon = not_found
642 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
643 method: 'pkg-config', kwargs: static_kwargs)
647 if not get_option('vde').auto() or have_system or have_tools
648 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
649 required: get_option('vde'),
650 kwargs: static_kwargs)
652 if vde.found() and not cc.links('''
653 #include <libvdeplug.h>
656 struct vde_open_args a = {0, 0, 0};
660 }''', dependencies: vde)
662 if get_option('cap_ng').enabled()
663 error('could not link libvdeplug')
665 warning('could not link libvdeplug, disabling')
670 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
671 pulse = dependency('libpulse', required: get_option('pa'),
672 method: 'pkg-config', kwargs: static_kwargs)
675 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
676 alsa = dependency('alsa', required: get_option('alsa'),
677 method: 'pkg-config', kwargs: static_kwargs)
680 if not get_option('jack').auto() or have_system
681 jack = dependency('jack', required: get_option('jack'),
682 method: 'pkg-config', kwargs: static_kwargs)
685 spice_protocol = not_found
686 if not get_option('spice_protocol').auto() or have_system
687 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
688 required: get_option('spice_protocol'),
689 method: 'pkg-config', kwargs: static_kwargs)
692 if not get_option('spice').auto() or have_system
693 spice = dependency('spice-server', version: '>=0.12.5',
694 required: get_option('spice'),
695 method: 'pkg-config', kwargs: static_kwargs)
697 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
699 rt = cc.find_library('rt', required: false)
702 if not get_option('libiscsi').auto() or have_block
703 libiscsi = dependency('libiscsi', version: '>=1.9.0',
704 required: get_option('libiscsi'),
705 method: 'pkg-config', kwargs: static_kwargs)
708 if not get_option('zstd').auto() or have_block
709 zstd = dependency('libzstd', version: '>=1.4.0',
710 required: get_option('zstd'),
711 method: 'pkg-config', kwargs: static_kwargs)
715 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
716 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
717 virgl = dependency('virglrenderer',
718 method: 'pkg-config',
719 required: get_option('virglrenderer'),
720 kwargs: static_kwargs)
723 if not get_option('curl').auto() or have_block
724 curl = dependency('libcurl', version: '>=7.29.0',
725 method: 'pkg-config',
726 required: get_option('curl'),
727 kwargs: static_kwargs)
730 if targetos == 'linux' and (have_system or have_tools)
731 libudev = dependency('libudev',
732 method: 'pkg-config',
733 required: get_option('libudev'),
734 kwargs: static_kwargs)
737 mpathlibs = [libudev]
738 mpathpersist = not_found
739 mpathpersist_new_api = false
740 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
741 mpath_test_source_new = '''
743 #include <mpath_persist.h>
744 unsigned mpath_mx_alloc_len = 1024;
746 static struct config *multipath_conf;
747 extern struct udev *udev;
748 extern struct config *get_multipath_config(void);
749 extern void put_multipath_config(struct config *conf);
751 struct config *get_multipath_config(void) { return multipath_conf; }
752 void put_multipath_config(struct config *conf) { }
755 multipath_conf = mpath_lib_init();
758 mpath_test_source_old = '''
760 #include <mpath_persist.h>
761 unsigned mpath_mx_alloc_len = 1024;
764 struct udev *udev = udev_new();
765 mpath_lib_init(udev);
768 libmpathpersist = cc.find_library('mpathpersist',
769 required: get_option('mpath'),
770 kwargs: static_kwargs)
771 if libmpathpersist.found()
772 mpathlibs += libmpathpersist
774 mpathlibs += cc.find_library('devmapper',
775 required: get_option('mpath'),
776 kwargs: static_kwargs)
778 mpathlibs += cc.find_library('multipath',
779 required: get_option('mpath'),
780 kwargs: static_kwargs)
781 foreach lib: mpathlibs
787 if mpathlibs.length() == 0
788 msg = 'Dependencies missing for libmpathpersist'
789 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
790 mpathpersist = declare_dependency(dependencies: mpathlibs)
791 mpathpersist_new_api = true
792 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
793 mpathpersist = declare_dependency(dependencies: mpathlibs)
795 msg = 'Cannot detect libmpathpersist API'
797 if not mpathpersist.found()
798 if get_option('mpath').enabled()
801 warning(msg + ', disabling')
809 if have_system and get_option('curses').allowed()
811 #if defined(__APPLE__) || defined(__OpenBSD__)
812 #define _XOPEN_SOURCE_EXTENDED 1
819 setlocale(LC_ALL, "");
821 addwstr(L"wide chars\n");
823 add_wch(WACS_DEGREE);
827 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
828 foreach curses_dep : curses_dep_list
829 if not curses.found()
830 curses = dependency(curses_dep,
832 method: 'pkg-config',
833 kwargs: static_kwargs)
836 msg = get_option('curses').enabled() ? 'curses library not found' : ''
837 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
839 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
840 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
842 msg = 'curses package not usable'
846 if not curses.found()
847 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
848 if targetos != 'windows' and not has_curses_h
849 message('Trying with /usr/include/ncursesw')
850 curses_compile_args += ['-I/usr/include/ncursesw']
851 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
854 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
855 foreach curses_libname : curses_libname_list
856 libcurses = cc.find_library(curses_libname,
858 kwargs: static_kwargs)
860 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
861 curses = declare_dependency(compile_args: curses_compile_args,
862 dependencies: [libcurses])
865 msg = 'curses library not usable'
871 if get_option('iconv').allowed()
872 foreach link_args : [ ['-liconv'], [] ]
873 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
874 # We need to use libiconv if available because mixing libiconv's headers with
875 # the system libc does not work.
876 # However, without adding glib to the dependencies -L/usr/local/lib will not be
877 # included in the command line and libiconv will not be found.
881 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
882 return conv != (iconv_t) -1;
883 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
884 iconv = declare_dependency(link_args: link_args, dependencies: glib)
889 if curses.found() and not iconv.found()
890 if get_option('iconv').enabled()
891 error('iconv not available')
893 msg = 'iconv required for curses UI but not available'
896 if not curses.found() and msg != ''
897 if get_option('curses').enabled()
900 warning(msg + ', disabling')
906 if not get_option('brlapi').auto() or have_system
907 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
908 required: get_option('brlapi'),
909 kwargs: static_kwargs)
910 if brlapi.found() and not cc.links('''
913 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
915 if get_option('brlapi').enabled()
916 error('could not link brlapi')
918 warning('could not link brlapi, disabling')
924 if not get_option('sdl').auto() or (have_system and not cocoa.found())
925 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
926 sdl_image = not_found
929 # work around 2.0.8 bug
930 sdl = declare_dependency(compile_args: '-Wno-undef',
932 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
933 method: 'pkg-config', kwargs: static_kwargs)
935 if get_option('sdl_image').enabled()
936 error('sdl-image required, but SDL was @0@'.format(
937 get_option('sdl').disabled() ? 'disabled' : 'not found'))
939 sdl_image = not_found
943 if not get_option('rbd').auto() or have_block
944 librados = cc.find_library('rados', required: get_option('rbd'),
945 kwargs: static_kwargs)
946 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
947 required: get_option('rbd'),
948 kwargs: static_kwargs)
949 if librados.found() and librbd.found()
952 #include <rbd/librbd.h>
955 rados_create(&cluster, NULL);
956 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
960 }''', dependencies: [librbd, librados])
961 rbd = declare_dependency(dependencies: [librbd, librados])
962 elif get_option('rbd').enabled()
963 error('librbd >= 1.12.0 required')
965 warning('librbd >= 1.12.0 not found, disabling')
970 glusterfs = not_found
971 glusterfs_ftruncate_has_stat = false
972 glusterfs_iocb_has_stat = false
973 if not get_option('glusterfs').auto() or have_block
974 glusterfs = dependency('glusterfs-api', version: '>=3',
975 required: get_option('glusterfs'),
976 method: 'pkg-config', kwargs: static_kwargs)
978 glusterfs_ftruncate_has_stat = cc.links('''
979 #include <glusterfs/api/glfs.h>
984 /* new glfs_ftruncate() passes two additional args */
985 return glfs_ftruncate(NULL, 0, NULL, NULL);
987 ''', dependencies: glusterfs)
988 glusterfs_iocb_has_stat = cc.links('''
989 #include <glusterfs/api/glfs.h>
991 /* new glfs_io_cbk() passes two additional glfs_stat structs */
993 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
999 glfs_io_cbk iocb = &glusterfs_iocb;
1000 iocb(NULL, 0 , NULL, NULL, NULL);
1003 ''', dependencies: glusterfs)
1008 if not get_option('libssh').auto() or have_block
1009 libssh = dependency('libssh', version: '>=0.8.7',
1010 method: 'pkg-config',
1011 required: get_option('libssh'),
1012 kwargs: static_kwargs)
1015 libbzip2 = not_found
1016 if not get_option('bzip2').auto() or have_block
1017 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1018 required: get_option('bzip2'),
1019 kwargs: static_kwargs)
1020 if libbzip2.found() and not cc.links('''
1022 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1023 libbzip2 = not_found
1024 if get_option('bzip2').enabled()
1025 error('could not link libbzip2')
1027 warning('could not link libbzip2, disabling')
1032 liblzfse = not_found
1033 if not get_option('lzfse').auto() or have_block
1034 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1035 required: get_option('lzfse'),
1036 kwargs: static_kwargs)
1038 if liblzfse.found() and not cc.links('''
1040 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1041 liblzfse = not_found
1042 if get_option('lzfse').enabled()
1043 error('could not link liblzfse')
1045 warning('could not link liblzfse, disabling')
1050 if get_option('oss').allowed() and have_system
1051 if not cc.has_header('sys/soundcard.h')
1053 elif targetos == 'netbsd'
1054 oss = cc.find_library('ossaudio', required: get_option('oss'),
1055 kwargs: static_kwargs)
1057 oss = declare_dependency()
1061 if get_option('oss').enabled()
1062 error('OSS not found')
1067 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1068 if cc.has_header('dsound.h')
1069 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1072 if not dsound.found()
1073 if get_option('dsound').enabled()
1074 error('DirectSound not found')
1079 coreaudio = not_found
1080 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1081 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1082 required: get_option('coreaudio'))
1086 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1087 epoxy = dependency('epoxy', method: 'pkg-config',
1088 required: get_option('opengl'), kwargs: static_kwargs)
1089 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1091 elif get_option('opengl').enabled()
1092 error('epoxy/egl.h not found')
1096 if (have_system or have_tools) and (virgl.found() or opengl.found())
1097 gbm = dependency('gbm', method: 'pkg-config', required: false,
1098 kwargs: static_kwargs)
1100 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1103 gnutls_crypto = not_found
1104 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1105 # For general TLS support our min gnutls matches
1106 # that implied by our platform support matrix
1108 # For the crypto backends, we look for a newer
1111 # Version 3.6.8 is needed to get XTS
1112 # Version 3.6.13 is needed to get PBKDF
1113 # Version 3.6.14 is needed to get HW accelerated XTS
1115 # If newer enough gnutls isn't available, we can
1116 # still use a different crypto backend to satisfy
1117 # the platform support requirements
1118 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1119 method: 'pkg-config',
1121 kwargs: static_kwargs)
1122 if gnutls_crypto.found()
1123 gnutls = gnutls_crypto
1125 # Our min version if all we need is TLS
1126 gnutls = dependency('gnutls', version: '>=3.5.18',
1127 method: 'pkg-config',
1128 required: get_option('gnutls'),
1129 kwargs: static_kwargs)
1133 # We prefer use of gnutls for crypto, unless the options
1134 # explicitly asked for nettle or gcrypt.
1136 # If gnutls isn't available for crypto, then we'll prefer
1137 # gcrypt over nettle for performance reasons.
1143 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1144 error('Only one of gcrypt & nettle can be enabled')
1147 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1148 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1149 gnutls_crypto = not_found
1152 if not gnutls_crypto.found()
1153 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1154 gcrypt = dependency('libgcrypt', version: '>=1.8',
1155 method: 'config-tool',
1156 required: get_option('gcrypt'),
1157 kwargs: static_kwargs)
1158 # Debian has removed -lgpg-error from libgcrypt-config
1159 # as it "spreads unnecessary dependencies" which in
1160 # turn breaks static builds...
1161 if gcrypt.found() and enable_static
1162 gcrypt = declare_dependency(dependencies: [
1164 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1167 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1168 nettle = dependency('nettle', version: '>=3.4',
1169 method: 'pkg-config',
1170 required: get_option('nettle'),
1171 kwargs: static_kwargs)
1172 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1178 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1179 if nettle.found() and gmp.found()
1180 hogweed = dependency('hogweed', version: '>=3.4',
1181 method: 'pkg-config',
1182 required: get_option('nettle'),
1183 kwargs: static_kwargs)
1190 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1191 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1192 method: 'pkg-config',
1193 required: get_option('gtk'),
1194 kwargs: static_kwargs)
1196 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1197 method: 'pkg-config',
1199 kwargs: static_kwargs)
1200 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1202 if not get_option('vte').auto() or have_system
1203 vte = dependency('vte-2.91',
1204 method: 'pkg-config',
1205 required: get_option('vte'),
1206 kwargs: static_kwargs)
1213 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1214 kwargs: static_kwargs)
1217 if get_option('png').allowed() and have_system
1218 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1219 method: 'pkg-config', kwargs: static_kwargs)
1224 if get_option('vnc').allowed() and have_system
1225 vnc = declare_dependency() # dummy dependency
1226 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1227 method: 'pkg-config', kwargs: static_kwargs)
1228 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1229 required: get_option('vnc_sasl'),
1230 kwargs: static_kwargs)
1232 sasl = declare_dependency(dependencies: sasl,
1233 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1238 if not get_option('auth_pam').auto() or have_system
1239 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1240 required: get_option('auth_pam'),
1241 kwargs: static_kwargs)
1243 if pam.found() and not cc.links('''
1245 #include <security/pam_appl.h>
1247 const char *service_name = "qemu";
1248 const char *user = "frank";
1249 const struct pam_conv pam_conv = { 0 };
1250 pam_handle_t *pamh = NULL;
1251 pam_start(service_name, user, &pam_conv, &pamh);
1253 }''', dependencies: pam)
1255 if get_option('auth_pam').enabled()
1256 error('could not link libpam')
1258 warning('could not link libpam, disabling')
1263 if not get_option('snappy').auto() or have_system
1264 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1265 required: get_option('snappy'),
1266 kwargs: static_kwargs)
1268 if snappy.found() and not linker.links('''
1269 #include <snappy-c.h>
1270 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1272 if get_option('snappy').enabled()
1273 error('could not link libsnappy')
1275 warning('could not link libsnappy, disabling')
1280 if not get_option('lzo').auto() or have_system
1281 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1282 required: get_option('lzo'),
1283 kwargs: static_kwargs)
1285 if lzo.found() and not cc.links('''
1286 #include <lzo/lzo1x.h>
1287 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1289 if get_option('lzo').enabled()
1290 error('could not link liblzo2')
1292 warning('could not link liblzo2, disabling')
1297 if not get_option('numa').auto() or have_system or have_tools
1298 numa = cc.find_library('numa', has_headers: ['numa.h'],
1299 required: get_option('numa'),
1300 kwargs: static_kwargs)
1302 if numa.found() and not cc.links('''
1304 int main(void) { return numa_available(); }
1305 ''', dependencies: numa)
1307 if get_option('numa').enabled()
1308 error('could not link numa')
1310 warning('could not link numa, disabling')
1315 if not get_option('rdma').auto() or have_system
1316 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1317 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1318 required: get_option('rdma'),
1319 kwargs: static_kwargs),
1320 cc.find_library('ibverbs', required: get_option('rdma'),
1321 kwargs: static_kwargs),
1323 rdma = declare_dependency(dependencies: rdma_libs)
1324 foreach lib: rdma_libs
1332 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1333 xencontrol = dependency('xencontrol', required: false,
1334 method: 'pkg-config', kwargs: static_kwargs)
1335 if xencontrol.found()
1336 xen_pc = declare_dependency(version: xencontrol.version(),
1339 # disabler: true makes xen_pc.found() return false if any is not found
1340 dependency('xenstore', required: false,
1341 method: 'pkg-config', kwargs: static_kwargs,
1343 dependency('xenforeignmemory', required: false,
1344 method: 'pkg-config', kwargs: static_kwargs,
1346 dependency('xengnttab', required: false,
1347 method: 'pkg-config', kwargs: static_kwargs,
1349 dependency('xenevtchn', required: false,
1350 method: 'pkg-config', kwargs: static_kwargs,
1352 dependency('xendevicemodel', required: false,
1353 method: 'pkg-config', kwargs: static_kwargs,
1355 # optional, no "disabler: true"
1356 dependency('xentoolcore', required: false,
1357 method: 'pkg-config', kwargs: static_kwargs)])
1363 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' ]
1365 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1366 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1367 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1368 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1369 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1370 '4.6.0': [ 'xenstore', 'xenctrl' ],
1371 '4.5.0': [ 'xenstore', 'xenctrl' ],
1372 '4.2.0': [ 'xenstore', 'xenctrl' ],
1375 foreach ver: xen_tests
1376 # cache the various library tests to avoid polluting the logs
1378 foreach l: xen_libs[ver]
1379 if l not in xen_deps
1380 xen_deps += { l: cc.find_library(l, required: false) }
1382 xen_test_deps += xen_deps[l]
1385 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1386 xen_version = ver.split('.')
1387 xen_ctrl_version = xen_version[0] + \
1388 ('0' + xen_version[1]).substring(-2) + \
1389 ('0' + xen_version[2]).substring(-2)
1390 if cc.links(files('scripts/xen-detect.c'),
1391 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1392 dependencies: xen_test_deps)
1393 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1399 accelerators += 'CONFIG_XEN'
1400 elif get_option('xen').enabled()
1401 error('could not compile and link Xen test program')
1404 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1405 .require(xen.found(),
1406 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1407 .require(targetos == 'linux',
1408 error_message: 'Xen PCI passthrough not available on this platform') \
1413 if not get_option('smartcard').auto() or have_system
1414 cacard = dependency('libcacard', required: get_option('smartcard'),
1415 version: '>=2.5.1', method: 'pkg-config',
1416 kwargs: static_kwargs)
1420 u2f = dependency('u2f-emu', required: get_option('u2f'),
1421 method: 'pkg-config',
1422 kwargs: static_kwargs)
1426 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1427 method: 'pkg-config',
1428 kwargs: static_kwargs)
1430 usbredir = not_found
1431 if not get_option('usb_redir').auto() or have_system
1432 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1433 version: '>=0.6', method: 'pkg-config',
1434 kwargs: static_kwargs)
1437 if not get_option('libusb').auto() or have_system
1438 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1439 version: '>=1.0.13', method: 'pkg-config',
1440 kwargs: static_kwargs)
1444 if not get_option('libpmem').auto() or have_system
1445 libpmem = dependency('libpmem', required: get_option('libpmem'),
1446 method: 'pkg-config', kwargs: static_kwargs)
1448 libdaxctl = not_found
1449 if not get_option('libdaxctl').auto() or have_system
1450 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1451 version: '>=57', method: 'pkg-config',
1452 kwargs: static_kwargs)
1456 tasn1 = dependency('libtasn1',
1457 method: 'pkg-config',
1458 kwargs: static_kwargs)
1460 keyutils = dependency('libkeyutils', required: false,
1461 method: 'pkg-config', kwargs: static_kwargs)
1463 has_gettid = cc.has_function('gettid')
1466 selinux = dependency('libselinux',
1467 required: get_option('selinux'),
1468 method: 'pkg-config', kwargs: static_kwargs)
1473 if get_option('malloc') == 'system'
1475 get_option('malloc_trim').allowed() and \
1476 cc.links('''#include <malloc.h>
1477 int main(void) { malloc_trim(0); return 0; }''')
1479 has_malloc_trim = false
1480 malloc = cc.find_library(get_option('malloc'), required: true)
1482 if not has_malloc_trim and get_option('malloc_trim').enabled()
1483 if get_option('malloc') == 'system'
1484 error('malloc_trim not available on this platform.')
1486 error('malloc_trim not available with non-libc memory allocator')
1490 # Check whether the glibc provides statx()
1492 gnu_source_prefix = '''
1497 statx_test = gnu_source_prefix + '''
1498 #include <sys/stat.h>
1500 struct statx statxbuf;
1501 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1505 has_statx = cc.links(statx_test)
1507 # Check whether statx() provides mount ID information
1509 statx_mnt_id_test = gnu_source_prefix + '''
1510 #include <sys/stat.h>
1512 struct statx statxbuf;
1513 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1514 return statxbuf.stx_mnt_id;
1517 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1519 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1520 .require(targetos == 'linux',
1521 error_message: 'vhost_user_blk_server requires linux') \
1522 .require(have_vhost_user,
1523 error_message: 'vhost_user_blk_server requires vhost-user support') \
1524 .disable_auto_if(not have_tools and not have_system) \
1527 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1528 error('Cannot enable fuse-lseek while fuse is disabled')
1531 fuse = dependency('fuse3', required: get_option('fuse'),
1532 version: '>=3.1', method: 'pkg-config',
1533 kwargs: static_kwargs)
1535 fuse_lseek = not_found
1536 if get_option('fuse_lseek').allowed()
1537 if fuse.version().version_compare('>=3.8')
1539 fuse_lseek = declare_dependency()
1540 elif get_option('fuse_lseek').enabled()
1542 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1544 error('fuse-lseek requires libfuse, which was not found')
1549 have_libvduse = (targetos == 'linux')
1550 if get_option('libvduse').enabled()
1551 if targetos != 'linux'
1552 error('libvduse requires linux')
1554 elif get_option('libvduse').disabled()
1555 have_libvduse = false
1558 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1559 if get_option('vduse_blk_export').enabled()
1560 if targetos != 'linux'
1561 error('vduse_blk_export requires linux')
1562 elif not have_libvduse
1563 error('vduse_blk_export requires libvduse support')
1565 elif get_option('vduse_blk_export').disabled()
1566 have_vduse_blk_export = false
1570 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1571 if libbpf.found() and not cc.links('''
1572 #include <bpf/libbpf.h>
1575 bpf_object__destroy_skeleton(NULL);
1577 }''', dependencies: libbpf)
1579 if get_option('bpf').enabled()
1580 error('libbpf skeleton test failed')
1582 warning('libbpf skeleton test failed, disabling')
1590 audio_drivers_selected = []
1592 audio_drivers_available = {
1593 'alsa': alsa.found(),
1594 'coreaudio': coreaudio.found(),
1595 'dsound': dsound.found(),
1596 'jack': jack.found(),
1598 'pa': pulse.found(),
1601 foreach k, v: audio_drivers_available
1602 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1605 # Default to native drivers first, OSS second, SDL third
1606 audio_drivers_priority = \
1607 [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1608 (targetos == 'linux' ? [] : [ 'sdl' ])
1609 audio_drivers_default = []
1610 foreach k: audio_drivers_priority
1611 if audio_drivers_available[k]
1612 audio_drivers_default += k
1616 foreach k: get_option('audio_drv_list')
1618 audio_drivers_selected += audio_drivers_default
1619 elif not audio_drivers_available[k]
1620 error('Audio driver "@0@" not available.'.format(k))
1622 audio_drivers_selected += k
1626 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1627 '"' + '", "'.join(audio_drivers_selected) + '", ')
1629 if get_option('cfi')
1631 # Check for dependency on LTO
1632 if not get_option('b_lto')
1633 error('Selected Control-Flow Integrity but LTO is disabled')
1635 if config_host.has_key('CONFIG_MODULES')
1636 error('Selected Control-Flow Integrity is not compatible with modules')
1638 # Check for cfi flags. CFI requires LTO so we can't use
1639 # get_supported_arguments, but need a more complex "compiles" which allows
1641 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1642 args: ['-flto', '-fsanitize=cfi-icall'] )
1643 cfi_flags += '-fsanitize=cfi-icall'
1645 error('-fsanitize=cfi-icall is not supported by the compiler')
1647 if cc.compiles('int main () { return 0; }',
1648 name: '-fsanitize-cfi-icall-generalize-pointers',
1649 args: ['-flto', '-fsanitize=cfi-icall',
1650 '-fsanitize-cfi-icall-generalize-pointers'] )
1651 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1653 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1655 if get_option('cfi_debug')
1656 if cc.compiles('int main () { return 0; }',
1657 name: '-fno-sanitize-trap=cfi-icall',
1658 args: ['-flto', '-fsanitize=cfi-icall',
1659 '-fno-sanitize-trap=cfi-icall'] )
1660 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1662 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1665 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1666 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1669 have_host_block_device = (targetos != 'darwin' or
1670 cc.has_header('IOKit/storage/IOMedia.h'))
1672 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1673 dbus_display = get_option('dbus_display') \
1674 .require(gio.version().version_compare('>=2.64'),
1675 error_message: '-display dbus requires glib>=2.64') \
1676 .require(enable_modules,
1677 error_message: '-display dbus requires --enable-modules') \
1678 .require(gdbus_codegen.found(),
1679 error_message: '-display dbus requires gdbus-codegen') \
1680 .require(opengl.found(),
1681 error_message: '-display dbus requires epoxy/egl') \
1684 have_virtfs = get_option('virtfs') \
1685 .require(targetos == 'linux' or targetos == 'darwin',
1686 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1687 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1688 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1689 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1690 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1691 .disable_auto_if(not have_tools and not have_system) \
1694 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1696 if get_option('block_drv_ro_whitelist') == ''
1697 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1699 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1700 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1702 if get_option('block_drv_rw_whitelist') == ''
1703 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1705 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1706 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1709 foreach k : get_option('trace_backends')
1710 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1712 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1713 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1715 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1717 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1718 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1719 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1720 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1721 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1723 qemu_firmwarepath = ''
1724 foreach k : get_option('qemu_firmwarepath')
1725 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1727 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1729 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1730 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1731 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1732 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1733 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1734 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1736 if config_host.has_key('CONFIG_MODULES')
1737 config_host_data.set('CONFIG_STAMP', run_command(
1738 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1739 meson.project_version(), get_option('pkgversion'), '--',
1740 meson.current_source_dir() / 'configure',
1741 capture: true, check: true).stdout().strip())
1744 have_slirp_smbd = get_option('slirp_smbd') \
1745 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1748 smbd_path = get_option('smbd')
1750 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1752 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1755 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1757 if get_option('module_upgrades') and not enable_modules
1758 error('Cannot enable module-upgrades as modules are not enabled')
1760 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1762 config_host_data.set('CONFIG_ATTR', libattr.found())
1763 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1764 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1765 config_host_data.set('CONFIG_COCOA', cocoa.found())
1766 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1767 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1768 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1769 config_host_data.set('CONFIG_LZO', lzo.found())
1770 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1771 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1772 config_host_data.set('CONFIG_CURL', curl.found())
1773 config_host_data.set('CONFIG_CURSES', curses.found())
1774 config_host_data.set('CONFIG_GBM', gbm.found())
1775 config_host_data.set('CONFIG_GIO', gio.found())
1776 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1777 if glusterfs.found()
1778 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1779 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1780 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1781 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1782 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1783 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1785 config_host_data.set('CONFIG_GTK', gtk.found())
1786 config_host_data.set('CONFIG_VTE', vte.found())
1787 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1788 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1789 config_host_data.set('CONFIG_EBPF', libbpf.found())
1790 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1791 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1792 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1793 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1794 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1795 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1796 config_host_data.set('CONFIG_LIBURING_REGISTER_RING_FD', cc.has_function('io_uring_register_ring_fd', prefix: '#include <liburing.h>', dependencies:linux_io_uring))
1797 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1798 config_host_data.set('CONFIG_NUMA', numa.found())
1799 config_host_data.set('CONFIG_OPENGL', opengl.found())
1800 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1801 config_host_data.set('CONFIG_RBD', rbd.found())
1802 config_host_data.set('CONFIG_RDMA', rdma.found())
1803 config_host_data.set('CONFIG_SDL', sdl.found())
1804 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1805 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1806 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1807 config_host_data.set('CONFIG_TPM', have_tpm)
1808 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1809 config_host_data.set('CONFIG_VDE', vde.found())
1810 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1811 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1812 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1813 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1814 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1815 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1816 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1817 config_host_data.set('CONFIG_VMNET', vmnet.found())
1818 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1819 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1820 config_host_data.set('CONFIG_PNG', png.found())
1821 config_host_data.set('CONFIG_VNC', vnc.found())
1822 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1823 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1824 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1825 config_host_data.set('CONFIG_VTE', vte.found())
1826 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1827 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1828 config_host_data.set('CONFIG_GETTID', has_gettid)
1829 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1830 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1831 config_host_data.set('CONFIG_TASN1', tasn1.found())
1832 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1833 config_host_data.set('CONFIG_NETTLE', nettle.found())
1834 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1835 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1836 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1837 config_host_data.set('CONFIG_STATX', has_statx)
1838 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1839 config_host_data.set('CONFIG_ZSTD', zstd.found())
1840 config_host_data.set('CONFIG_FUSE', fuse.found())
1841 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1842 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1843 if spice_protocol.found()
1844 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1845 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1846 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1848 config_host_data.set('CONFIG_SPICE', spice.found())
1849 config_host_data.set('CONFIG_X11', x11.found())
1850 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1851 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1852 config_host_data.set('CONFIG_SELINUX', selinux.found())
1853 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1855 # protect from xen.version() having less than three components
1856 xen_version = xen.version().split('.') + ['0', '0']
1857 xen_ctrl_version = xen_version[0] + \
1858 ('0' + xen_version[1]).substring(-2) + \
1859 ('0' + xen_version[2]).substring(-2)
1860 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1862 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1863 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1864 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1865 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1867 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1868 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1870 have_coroutine_pool = get_option('coroutine_pool')
1871 if get_option('debug_stack_usage') and have_coroutine_pool
1872 message('Disabling coroutine pool to measure stack usage')
1873 have_coroutine_pool = false
1875 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1876 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1877 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1878 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1879 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1880 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1881 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1884 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1885 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1886 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1887 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1888 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1889 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1890 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1891 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1892 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1895 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1896 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1897 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1898 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1899 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1900 # Note that we need to specify prefix: here to avoid incorrectly
1901 # thinking that Windows has posix_memalign()
1902 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1903 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1904 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1905 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1906 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1907 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1908 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1909 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1910 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1911 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1912 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1913 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1914 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1915 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1916 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1917 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1918 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1920 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1921 cc.has_function('rbd_namespace_exists',
1923 prefix: '#include <rbd/librbd.h>'))
1926 config_host_data.set('HAVE_IBV_ADVISE_MR',
1927 cc.has_function('ibv_advise_mr',
1929 prefix: '#include <infiniband/verbs.h>'))
1933 config_host_data.set('CONFIG_BYTESWAP_H',
1934 cc.has_header_symbol('byteswap.h', 'bswap_32'))
1935 config_host_data.set('CONFIG_EPOLL_CREATE1',
1936 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1937 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1938 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1939 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1940 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1941 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1942 config_host_data.set('CONFIG_FIEMAP',
1943 cc.has_header('linux/fiemap.h') and
1944 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1945 config_host_data.set('CONFIG_GETRANDOM',
1946 cc.has_function('getrandom') and
1947 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1948 config_host_data.set('CONFIG_INOTIFY',
1949 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1950 config_host_data.set('CONFIG_INOTIFY1',
1951 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1952 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1953 cc.has_header_symbol('machine/bswap.h', 'bswap32',
1954 prefix: '''#include <sys/endian.h>
1955 #include <sys/types.h>'''))
1956 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1957 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1958 config_host_data.set('CONFIG_RTNETLINK',
1959 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1960 config_host_data.set('CONFIG_SYSMACROS',
1961 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1962 config_host_data.set('HAVE_OPTRESET',
1963 cc.has_header_symbol('getopt.h', 'optreset'))
1964 config_host_data.set('HAVE_IPPROTO_MPTCP',
1965 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1968 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1969 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1970 prefix: '#include <signal.h>'))
1971 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1972 cc.has_member('struct stat', 'st_atim',
1973 prefix: '#include <sys/stat.h>'))
1976 config_host_data.set('CONFIG_IOVEC',
1977 cc.has_type('struct iovec',
1978 prefix: '#include <sys/uio.h>'))
1979 config_host_data.set('HAVE_UTMPX',
1980 cc.has_type('struct utmpx',
1981 prefix: '#include <utmpx.h>'))
1983 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1984 #include <sys/eventfd.h>
1985 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1986 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1989 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1990 return fdatasync(0);
1992 #error Not supported
1996 has_madvise = cc.links(gnu_source_prefix + '''
1997 #include <sys/types.h>
1998 #include <sys/mman.h>
2000 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2001 missing_madvise_proto = false
2003 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2004 # but forget to prototype it. In this case, has_madvise will be true (the
2005 # test program links despite a compile warning). To detect the
2006 # missing-prototype case, we try again with a definitely-bogus prototype.
2007 # This will only compile if the system headers don't provide the prototype;
2008 # otherwise the conflicting prototypes will cause a compiler error.
2009 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2010 #include <sys/types.h>
2011 #include <sys/mman.h>
2013 extern int madvise(int);
2014 int main(void) { return madvise(0); }''')
2016 config_host_data.set('CONFIG_MADVISE', has_madvise)
2017 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2019 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2020 #include <sys/mman.h>
2021 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2022 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2024 #if !defined(AT_EMPTY_PATH)
2025 # error missing definition
2027 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2029 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
2036 return pipe2(pipefd, O_CLOEXEC);
2038 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2039 #include <sys/mman.h>
2041 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2043 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2044 #include <pthread.h>
2046 static void *f(void *p) { return NULL; }
2050 pthread_create(&thread, 0, f, 0);
2051 pthread_setname_np(thread, "QEMU");
2053 }''', dependencies: threads))
2054 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2055 #include <pthread.h>
2057 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2061 pthread_create(&thread, 0, f, 0);
2063 }''', dependencies: threads))
2064 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2065 #include <pthread.h>
2070 pthread_condattr_t attr
2071 pthread_condattr_init(&attr);
2072 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2074 }''', dependencies: threads))
2076 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2077 #include <sys/signalfd.h>
2079 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2080 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2088 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2089 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2093 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2094 #include <sys/mman.h>
2095 int main(int argc, char *argv[]) {
2096 return mlockall(MCL_FUTURE);
2100 if get_option('l2tpv3').allowed() and have_system
2101 have_l2tpv3 = cc.has_type('struct mmsghdr',
2102 prefix: gnu_source_prefix + '''
2103 #include <sys/socket.h>
2104 #include <linux/ip.h>''')
2106 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2109 if get_option('netmap').allowed() and have_system
2110 have_netmap = cc.compiles('''
2111 #include <inttypes.h>
2113 #include <net/netmap.h>
2114 #include <net/netmap_user.h>
2115 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2118 int main(void) { return 0; }''')
2119 if not have_netmap and get_option('netmap').enabled()
2120 error('Netmap headers not available')
2123 config_host_data.set('CONFIG_NETMAP', have_netmap)
2125 # Work around a system header bug with some kernel/XFS header
2126 # versions where they both try to define 'struct fsxattr':
2127 # xfs headers will not try to redefine structs from linux headers
2128 # if this macro is set.
2129 config_host_data.set('HAVE_FSXATTR', cc.links('''
2130 #include <linux/fs.h>
2136 # Some versions of Mac OS X incorrectly define SIZE_MAX
2137 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2140 int main(int argc, char *argv[]) {
2141 return printf("%zu", SIZE_MAX);
2142 }''', args: ['-Werror']))
2149 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2150 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2151 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2152 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2153 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2157 # See if 64-bit atomic operations are supported.
2158 # Note that without __atomic builtins, we can only
2159 # assume atomic loads/stores max at pointer size.
2160 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2162 has_int128 = cc.links('''
2172 config_host_data.set('CONFIG_INT128', has_int128)
2175 # "do we have 128-bit atomics which are handled inline and specifically not
2176 # via libatomic". The reason we can't use libatomic is documented in the
2177 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2178 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2180 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2182 if not has_atomic128
2183 has_cmpxchg128 = cc.links('''
2186 unsigned __int128 x = 0, y = 0;
2187 __sync_val_compare_and_swap_16(&x, y, x);
2192 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2196 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2197 #include <sys/auxv.h>
2199 return getauxval(AT_HWCAP) == 0;
2202 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2203 #include <linux/usbdevice_fs.h>
2205 #ifndef USBDEVFS_GET_CAPABILITIES
2206 #error "USBDEVFS_GET_CAPABILITIES undefined"
2209 #ifndef USBDEVFS_DISCONNECT_CLAIM
2210 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2213 int main(void) { return 0; }'''))
2215 have_keyring = get_option('keyring') \
2216 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2217 .require(cc.compiles('''
2219 #include <asm/unistd.h>
2220 #include <linux/keyctl.h>
2221 #include <sys/syscall.h>
2224 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2225 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2226 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2228 have_cpuid_h = cc.links('''
2231 unsigned a, b, c, d;
2232 unsigned max = __get_cpuid_max(0, 0);
2235 __cpuid(1, a, b, c, d);
2239 __cpuid_count(7, 0, a, b, c, d);
2244 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2246 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2247 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2248 .require(cc.links('''
2249 #pragma GCC push_options
2250 #pragma GCC target("avx2")
2252 #include <immintrin.h>
2253 static int bar(void *a) {
2254 __m256i x = *(__m256i *)a;
2255 return _mm256_testz_si256(x, x);
2257 int main(int argc, char *argv[]) { return bar(argv[0]); }
2258 '''), error_message: 'AVX2 not available').allowed())
2260 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2261 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2262 .require(cc.links('''
2263 #pragma GCC push_options
2264 #pragma GCC target("avx512f")
2266 #include <immintrin.h>
2267 static int bar(void *a) {
2268 __m512i x = *(__m512i *)a;
2269 return _mm512_test_epi64_mask(x, x);
2271 int main(int argc, char *argv[]) { return bar(argv[0]); }
2272 '''), error_message: 'AVX512F not available').allowed())
2274 have_pvrdma = get_option('pvrdma') \
2275 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2276 .require(cc.compiles(gnu_source_prefix + '''
2277 #include <sys/mman.h>
2282 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2285 }'''), error_message: 'PVRDMA requires mremap').allowed()
2288 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2289 #include <infiniband/verbs.h>
2293 struct ibv_pd *pd = NULL;
2299 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2305 if get_option('membarrier').disabled()
2306 have_membarrier = false
2307 elif targetos == 'windows'
2308 have_membarrier = true
2309 elif targetos == 'linux'
2310 have_membarrier = cc.compiles('''
2311 #include <linux/membarrier.h>
2312 #include <sys/syscall.h>
2316 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2317 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2321 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2322 .require(have_membarrier, error_message: 'membarrier system call not available') \
2325 have_afalg = get_option('crypto_afalg') \
2326 .require(cc.compiles(gnu_source_prefix + '''
2328 #include <sys/types.h>
2329 #include <sys/socket.h>
2330 #include <linux/if_alg.h>
2333 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2336 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2337 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2339 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2340 'linux/vm_sockets.h', 'AF_VSOCK',
2341 prefix: '#include <sys/socket.h>',
2345 have_vss_sdk = false # old xp/2003 SDK
2346 if targetos == 'windows' and link_language == 'cpp'
2347 have_vss = cxx.compiles('''
2348 #define __MIDL_user_allocate_free_DEFINED__
2350 int main(void) { return VSS_CTX_BACKUP; }''')
2351 have_vss_sdk = cxx.has_header('vscoordint.h')
2353 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2355 foreach k, v: config_host
2356 if k.startswith('CONFIG_')
2357 config_host_data.set(k, v == 'y' ? 1 : v)
2361 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2362 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2363 if targetos == 'windows'
2364 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2370 }''', name: '_lock_file and _unlock_file'))
2373 ########################
2374 # Target configuration #
2375 ########################
2377 minikconf = find_program('scripts/minikconf.py')
2379 config_all_devices = {}
2380 config_all_disas = {}
2381 config_devices_mak_list = []
2382 config_devices_h = {}
2383 config_target_h = {}
2384 config_target_mak = {}
2387 'alpha' : ['CONFIG_ALPHA_DIS'],
2388 'avr' : ['CONFIG_AVR_DIS'],
2389 'cris' : ['CONFIG_CRIS_DIS'],
2390 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2391 'hppa' : ['CONFIG_HPPA_DIS'],
2392 'i386' : ['CONFIG_I386_DIS'],
2393 'x86_64' : ['CONFIG_I386_DIS'],
2394 'm68k' : ['CONFIG_M68K_DIS'],
2395 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2396 'mips' : ['CONFIG_MIPS_DIS'],
2397 'nios2' : ['CONFIG_NIOS2_DIS'],
2398 'or1k' : ['CONFIG_OPENRISC_DIS'],
2399 'ppc' : ['CONFIG_PPC_DIS'],
2400 'riscv' : ['CONFIG_RISCV_DIS'],
2401 'rx' : ['CONFIG_RX_DIS'],
2402 's390' : ['CONFIG_S390_DIS'],
2403 'sh4' : ['CONFIG_SH4_DIS'],
2404 'sparc' : ['CONFIG_SPARC_DIS'],
2405 'xtensa' : ['CONFIG_XTENSA_DIS'],
2406 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2408 if link_language == 'cpp'
2410 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2414 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2416 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2417 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2418 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2419 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2420 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2421 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2422 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2423 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2424 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2425 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2426 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2427 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2428 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2429 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2431 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2433 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2434 actual_target_dirs = []
2436 foreach target : target_dirs
2437 config_target = { 'TARGET_NAME': target.split('-')[0] }
2438 if target.endswith('linux-user')
2439 if targetos != 'linux'
2443 error('Target @0@ is only available on a Linux host'.format(target))
2445 config_target += { 'CONFIG_LINUX_USER': 'y' }
2446 elif target.endswith('bsd-user')
2447 if 'CONFIG_BSD' not in config_host
2451 error('Target @0@ is only available on a BSD host'.format(target))
2453 config_target += { 'CONFIG_BSD_USER': 'y' }
2454 elif target.endswith('softmmu')
2455 config_target += { 'CONFIG_SOFTMMU': 'y' }
2457 if target.endswith('-user')
2459 'CONFIG_USER_ONLY': 'y',
2460 'CONFIG_QEMU_INTERP_PREFIX':
2461 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2466 foreach sym: accelerators
2467 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2468 config_target += { sym: 'y' }
2469 config_all += { sym: 'y' }
2470 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2471 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2473 if target in modular_tcg
2474 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2476 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2478 accel_kconfig += [ sym + '=y' ]
2481 if accel_kconfig.length() == 0
2485 error('No accelerator available for target @0@'.format(target))
2488 actual_target_dirs += target
2489 config_target += keyval.load('configs/targets' / target + '.mak')
2490 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2492 if 'TARGET_NEED_FDT' in config_target
2493 fdt_required += target
2497 if 'TARGET_BASE_ARCH' not in config_target
2498 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2500 if 'TARGET_ABI_DIR' not in config_target
2501 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2503 if 'TARGET_BIG_ENDIAN' not in config_target
2504 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2507 foreach k, v: disassemblers
2508 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2510 config_target += { sym: 'y' }
2511 config_all_disas += { sym: 'y' }
2516 config_target_data = configuration_data()
2517 foreach k, v: config_target
2518 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2520 elif ignored.contains(k)
2522 elif k == 'TARGET_BASE_ARCH'
2523 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2524 # not used to select files from sourcesets.
2525 config_target_data.set('TARGET_' + v.to_upper(), 1)
2526 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2527 config_target_data.set_quoted(k, v)
2529 config_target_data.set(k, 1)
2531 config_target_data.set(k, 0)
2533 config_target_data.set(k, v)
2536 config_target_data.set('QEMU_ARCH',
2537 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2538 config_target_h += {target: configure_file(output: target + '-config-target.h',
2539 configuration: config_target_data)}
2541 if target.endswith('-softmmu')
2542 config_input = meson.get_external_property(target, 'default')
2543 config_devices_mak = target + '-config-devices.mak'
2544 config_devices_mak = configure_file(
2545 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2546 output: config_devices_mak,
2547 depfile: config_devices_mak + '.d',
2549 command: [minikconf,
2550 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2551 config_devices_mak, '@DEPFILE@', '@INPUT@',
2552 host_kconfig, accel_kconfig,
2553 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2555 config_devices_data = configuration_data()
2556 config_devices = keyval.load(config_devices_mak)
2557 foreach k, v: config_devices
2558 config_devices_data.set(k, 1)
2560 config_devices_mak_list += config_devices_mak
2561 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2562 configuration: config_devices_data)}
2563 config_target += config_devices
2564 config_all_devices += config_devices
2566 config_target_mak += {target: config_target}
2568 target_dirs = actual_target_dirs
2570 # This configuration is used to build files that are shared by
2571 # multiple binaries, and then extracted out of the "common"
2572 # static_library target.
2574 # We do not use all_sources()/all_dependencies(), because it would
2575 # build literally all source files, including devices only used by
2576 # targets that are not built for this compilation. The CONFIG_ALL
2577 # pseudo symbol replaces it.
2579 config_all += config_all_devices
2580 config_all += config_host
2581 config_all += config_all_disas
2583 'CONFIG_XEN': xen.found(),
2584 'CONFIG_SOFTMMU': have_system,
2585 'CONFIG_USER_ONLY': have_user,
2589 target_configs_h = []
2590 foreach target: target_dirs
2591 target_configs_h += config_target_h[target]
2592 target_configs_h += config_devices_h.get(target, [])
2594 genh += custom_target('config-poison.h',
2595 input: [target_configs_h],
2596 output: 'config-poison.h',
2598 command: [find_program('scripts/make-config-poison.sh'),
2605 capstone = not_found
2606 if not get_option('capstone').auto() or have_system or have_user
2607 capstone = dependency('capstone', version: '>=3.0.5',
2608 kwargs: static_kwargs, method: 'pkg-config',
2609 required: get_option('capstone'))
2611 # Some versions of capstone have broken pkg-config file
2612 # that reports a wrong -I path, causing the #include to
2613 # fail later. If the system has such a broken version
2615 if capstone.found() and not cc.compiles('#include <capstone.h>',
2616 dependencies: [capstone])
2617 capstone = not_found
2618 if get_option('capstone').enabled()
2619 error('capstone requested, but it does not appear to work')
2625 slirp_opt = 'disabled'
2627 slirp_opt = get_option('slirp')
2628 if slirp_opt in ['enabled', 'auto', 'system']
2629 have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2630 slirp_dep_required = (slirp_opt == 'system' or
2631 slirp_opt == 'enabled' and not have_internal)
2632 slirp = dependency('slirp', kwargs: static_kwargs,
2633 method: 'pkg-config', version: '>=4.1.0',
2634 required: slirp_dep_required)
2635 # slirp <4.7 is incompatible with CFI support in QEMU. This is because
2636 # it passes function pointers within libslirp as callbacks for timers.
2637 # When using a system-wide shared libslirp, the type information for the
2638 # callback is missing and the timer call produces a false positive with CFI.
2639 # Do not use the "version" keyword argument to produce a better error.
2640 # with control-flow integrity.
2641 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2642 if slirp_dep_required
2643 error('Control-Flow Integrity requires libslirp 4.7.')
2645 warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2650 slirp_opt = 'system'
2652 slirp_opt = 'internal'
2654 slirp_opt = 'disabled'
2657 if slirp_opt == 'internal'
2659 if targetos == 'windows'
2660 slirp_deps = cc.find_library('iphlpapi')
2661 elif targetos == 'darwin'
2662 slirp_deps = cc.find_library('resolv')
2664 slirp_conf = configuration_data()
2665 slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2666 slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2667 slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2668 slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2669 slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2671 'slirp/src/arp_table.c',
2672 'slirp/src/bootp.c',
2673 'slirp/src/cksum.c',
2674 'slirp/src/dhcpv6.c',
2675 'slirp/src/dnssearch.c',
2677 'slirp/src/ip6_icmp.c',
2678 'slirp/src/ip6_input.c',
2679 'slirp/src/ip6_output.c',
2680 'slirp/src/ip_icmp.c',
2681 'slirp/src/ip_input.c',
2682 'slirp/src/ip_output.c',
2686 'slirp/src/ndp_table.c',
2688 'slirp/src/slirp.c',
2689 'slirp/src/socket.c',
2690 'slirp/src/state.c',
2691 'slirp/src/stream.c',
2692 'slirp/src/tcp_input.c',
2693 'slirp/src/tcp_output.c',
2694 'slirp/src/tcp_subr.c',
2695 'slirp/src/tcp_timer.c',
2700 'slirp/src/version.c',
2701 'slirp/src/vmstate.c',
2705 input : 'slirp/src/libslirp-version.h.in',
2706 output : 'libslirp-version.h',
2707 configuration: slirp_conf)
2709 slirp_inc = include_directories('slirp', 'slirp/src')
2710 libslirp = static_library('slirp',
2711 build_by_default: false,
2712 sources: slirp_files,
2713 c_args: slirp_cargs,
2714 include_directories: slirp_inc)
2715 slirp = declare_dependency(link_with: libslirp,
2716 dependencies: slirp_deps,
2717 include_directories: slirp_inc)
2721 libvfio_user_dep = not_found
2722 if have_system and vfio_user_server_allowed
2723 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2725 if not have_internal
2726 error('libvfio-user source not found - please pull git submodule')
2729 libvfio_user_proj = subproject('libvfio-user')
2731 libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2733 libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2738 fdt_opt = get_option('fdt')
2739 if fdt_opt in ['enabled', 'auto', 'system']
2740 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2741 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2742 required: fdt_opt == 'system' or
2743 fdt_opt == 'enabled' and not have_internal)
2744 if fdt.found() and cc.links('''
2746 #include <libfdt_env.h>
2747 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2750 elif fdt_opt == 'system'
2751 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2753 fdt_opt = 'internal'
2755 fdt_opt = 'disabled'
2759 if fdt_opt == 'internal'
2762 'dtc/libfdt/fdt_ro.c',
2763 'dtc/libfdt/fdt_wip.c',
2764 'dtc/libfdt/fdt_sw.c',
2765 'dtc/libfdt/fdt_rw.c',
2766 'dtc/libfdt/fdt_strerror.c',
2767 'dtc/libfdt/fdt_empty_tree.c',
2768 'dtc/libfdt/fdt_addresses.c',
2769 'dtc/libfdt/fdt_overlay.c',
2770 'dtc/libfdt/fdt_check.c',
2773 fdt_inc = include_directories('dtc/libfdt')
2774 libfdt = static_library('fdt',
2775 build_by_default: false,
2777 include_directories: fdt_inc)
2778 fdt = declare_dependency(link_with: libfdt,
2779 include_directories: fdt_inc)
2782 fdt_opt = 'disabled'
2784 if not fdt.found() and fdt_required.length() > 0
2785 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2788 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2789 config_host_data.set('CONFIG_FDT', fdt.found())
2790 config_host_data.set('CONFIG_SLIRP', slirp.found())
2792 #####################
2793 # Generated sources #
2794 #####################
2796 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2798 hxtool = find_program('scripts/hxtool')
2799 shaderinclude = find_program('scripts/shaderinclude.pl')
2800 qapi_gen = find_program('scripts/qapi-gen.py')
2801 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2802 meson.current_source_dir() / 'scripts/qapi/commands.py',
2803 meson.current_source_dir() / 'scripts/qapi/common.py',
2804 meson.current_source_dir() / 'scripts/qapi/error.py',
2805 meson.current_source_dir() / 'scripts/qapi/events.py',
2806 meson.current_source_dir() / 'scripts/qapi/expr.py',
2807 meson.current_source_dir() / 'scripts/qapi/gen.py',
2808 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2809 meson.current_source_dir() / 'scripts/qapi/parser.py',
2810 meson.current_source_dir() / 'scripts/qapi/schema.py',
2811 meson.current_source_dir() / 'scripts/qapi/source.py',
2812 meson.current_source_dir() / 'scripts/qapi/types.py',
2813 meson.current_source_dir() / 'scripts/qapi/visit.py',
2814 meson.current_source_dir() / 'scripts/qapi/common.py',
2815 meson.current_source_dir() / 'scripts/qapi-gen.py'
2819 python, files('scripts/tracetool.py'),
2820 '--backend=' + ','.join(get_option('trace_backends'))
2822 tracetool_depends = files(
2823 'scripts/tracetool/backend/log.py',
2824 'scripts/tracetool/backend/__init__.py',
2825 'scripts/tracetool/backend/dtrace.py',
2826 'scripts/tracetool/backend/ftrace.py',
2827 'scripts/tracetool/backend/simple.py',
2828 'scripts/tracetool/backend/syslog.py',
2829 'scripts/tracetool/backend/ust.py',
2830 'scripts/tracetool/format/ust_events_c.py',
2831 'scripts/tracetool/format/ust_events_h.py',
2832 'scripts/tracetool/format/__init__.py',
2833 'scripts/tracetool/format/d.py',
2834 'scripts/tracetool/format/simpletrace_stap.py',
2835 'scripts/tracetool/format/c.py',
2836 'scripts/tracetool/format/h.py',
2837 'scripts/tracetool/format/log_stap.py',
2838 'scripts/tracetool/format/stap.py',
2839 'scripts/tracetool/__init__.py',
2840 'scripts/tracetool/transform.py',
2841 'scripts/tracetool/vcpu.py'
2844 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2845 meson.current_source_dir(),
2846 get_option('pkgversion'), meson.project_version()]
2847 qemu_version = custom_target('qemu-version.h',
2848 output: 'qemu-version.h',
2849 command: qemu_version_cmd,
2851 build_by_default: true,
2852 build_always_stale: true)
2853 genh += qemu_version
2857 ['qemu-options.hx', 'qemu-options.def'],
2858 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2862 ['hmp-commands.hx', 'hmp-commands.h'],
2863 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2866 foreach d : hx_headers
2867 hxdep += custom_target(d[1],
2871 build_by_default: true, # to be removed when added to a target
2872 command: [hxtool, '-h', '@INPUT0@'])
2880 authz_ss = ss.source_set()
2881 blockdev_ss = ss.source_set()
2882 block_ss = ss.source_set()
2883 chardev_ss = ss.source_set()
2884 common_ss = ss.source_set()
2885 crypto_ss = ss.source_set()
2886 hwcore_ss = ss.source_set()
2887 io_ss = ss.source_set()
2888 qmp_ss = ss.source_set()
2889 qom_ss = ss.source_set()
2890 softmmu_ss = ss.source_set()
2891 specific_fuzz_ss = ss.source_set()
2892 specific_ss = ss.source_set()
2893 stub_ss = ss.source_set()
2894 trace_ss = ss.source_set()
2895 user_ss = ss.source_set()
2896 util_ss = ss.source_set()
2899 qtest_module_ss = ss.source_set()
2900 tcg_module_ss = ss.source_set()
2906 target_softmmu_arch = {}
2907 target_user_arch = {}
2913 # TODO: add each directory to the subdirs from its own meson.build, once
2915 trace_events_subdirs = [
2923 trace_events_subdirs += [ 'linux-user' ]
2926 trace_events_subdirs += [ 'bsd-user' ]
2929 trace_events_subdirs += [
2938 trace_events_subdirs += [
2952 'hw/block/dataplane',
3001 if have_system or have_user
3002 trace_events_subdirs += [
3020 vhost_user = not_found
3021 if targetos == 'linux' and have_vhost_user
3022 libvhost_user = subproject('libvhost-user')
3023 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3026 libvduse = not_found
3028 libvduse_proj = subproject('libvduse')
3029 libvduse = libvduse_proj.get_variable('libvduse_dep')
3032 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3033 # that is filled in by qapi/.
3047 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3048 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3051 qom_ss = qom_ss.apply(config_host, strict: false)
3052 libqom = static_library('qom', qom_ss.sources() + genh,
3053 dependencies: [qom_ss.dependencies()],
3055 qom = declare_dependency(link_whole: libqom)
3057 event_loop_base = files('event-loop-base.c')
3058 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3059 build_by_default: true)
3060 event_loop_base = declare_dependency(link_whole: event_loop_base,
3061 dependencies: [qom])
3063 stub_ss = stub_ss.apply(config_all, strict: false)
3065 util_ss.add_all(trace_ss)
3066 util_ss = util_ss.apply(config_all, strict: false)
3067 libqemuutil = static_library('qemuutil',
3068 sources: util_ss.sources() + stub_ss.sources() + genh,
3069 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3070 qemuutil = declare_dependency(link_with: libqemuutil,
3071 sources: genh + version_res,
3072 dependencies: [event_loop_base])
3074 if have_system or have_user
3075 decodetree = generator(find_program('scripts/decodetree.py'),
3076 output: 'decode-@BASENAME@.c.inc',
3077 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3078 subdir('libdecnumber')
3095 if config_host_data.get('CONFIG_REPLICATION')
3096 block_ss.add(files('replication.c'))
3103 blockdev_ss.add(files(
3110 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3111 # os-win32.c does not
3112 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3113 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3116 common_ss.add(files('cpus-common.c'))
3120 common_ss.add(capstone)
3121 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3123 # Work around a gcc bug/misfeature wherein constant propagation looks
3125 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3126 # to guess that a const variable is always zero. Without lto, this is
3127 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3128 # without lto, not even the alias is required -- we simply use different
3129 # declarations in different compilation units.
3130 pagevary = files('page-vary-common.c')
3131 if get_option('b_lto')
3132 pagevary_flags = ['-fno-lto']
3133 if get_option('cfi')
3134 pagevary_flags += '-fno-sanitize=cfi-icall'
3136 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3137 c_args: pagevary_flags)
3138 pagevary = declare_dependency(link_with: pagevary)
3140 common_ss.add(pagevary)
3141 specific_ss.add(files('page-vary.c'))
3149 subdir('semihosting')
3156 common_user_inc = []
3158 subdir('common-user')
3160 subdir('linux-user')
3162 # needed for fuzzing binaries
3163 subdir('tests/qtest/libqos')
3164 subdir('tests/qtest/fuzz')
3167 tcg_real_module_ss = ss.source_set()
3168 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3169 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3170 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3171 'tcg': tcg_real_module_ss }}
3173 ########################
3174 # Library dependencies #
3175 ########################
3177 modinfo_collect = find_program('scripts/modinfo-collect.py')
3178 modinfo_generate = find_program('scripts/modinfo-generate.py')
3183 foreach d, list : modules
3184 foreach m, module_ss : list
3185 if enable_modules and targetos != 'windows'
3186 module_ss = module_ss.apply(config_all, strict: false)
3187 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3188 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3194 if module_ss.sources() != []
3195 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3196 # input. Sources can be used multiple times but objects are
3197 # unique when it comes to lookup in compile_commands.json.
3198 # Depnds on a mesion version with
3199 # https://github.com/mesonbuild/meson/pull/8900
3200 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3201 output: d + '-' + m + '.modinfo',
3202 input: module_ss.sources() + genh,
3204 command: [modinfo_collect, module_ss.sources()])
3208 block_ss.add_all(module_ss)
3210 softmmu_ss.add_all(module_ss)
3216 foreach d, list : target_modules
3217 foreach m, module_ss : list
3218 if enable_modules and targetos != 'windows'
3219 foreach target : target_dirs
3220 if target.endswith('-softmmu')
3221 config_target = config_target_mak[target]
3222 config_target += config_host
3223 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3224 c_args = ['-DNEED_CPU_H',
3225 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3226 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3227 target_module_ss = module_ss.apply(config_target, strict: false)
3228 if target_module_ss.sources() != []
3229 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3230 sl = static_library(module_name,
3231 [genh, target_module_ss.sources()],
3232 dependencies: [modulecommon, target_module_ss.dependencies()],
3233 include_directories: target_inc,
3237 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3238 modinfo_files += custom_target(module_name + '.modinfo',
3239 output: module_name + '.modinfo',
3240 input: target_module_ss.sources() + genh,
3242 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3247 specific_ss.add_all(module_ss)
3253 foreach target : target_dirs
3254 if target.endswith('-softmmu')
3255 config_target = config_target_mak[target]
3256 config_devices_mak = target + '-config-devices.mak'
3257 modinfo_src = custom_target('modinfo-' + target + '.c',
3258 output: 'modinfo-' + target + '.c',
3259 input: modinfo_files,
3260 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3263 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3264 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3266 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3267 hw_arch[arch].add(modinfo_dep)
3272 nm = find_program('nm')
3273 undefsym = find_program('scripts/undefsym.py')
3274 block_syms = custom_target('block.syms', output: 'block.syms',
3275 input: [libqemuutil, block_mods],
3277 command: [undefsym, nm, '@INPUT@'])
3278 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3279 input: [libqemuutil, softmmu_mods],
3281 command: [undefsym, nm, '@INPUT@'])
3283 authz_ss = authz_ss.apply(config_host, strict: false)
3284 libauthz = static_library('authz', authz_ss.sources() + genh,
3285 dependencies: [authz_ss.dependencies()],
3287 build_by_default: false)
3289 authz = declare_dependency(link_whole: libauthz,
3292 crypto_ss = crypto_ss.apply(config_host, strict: false)
3293 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3294 dependencies: [crypto_ss.dependencies()],
3296 build_by_default: false)
3298 crypto = declare_dependency(link_whole: libcrypto,
3299 dependencies: [authz, qom])
3301 io_ss = io_ss.apply(config_host, strict: false)
3302 libio = static_library('io', io_ss.sources() + genh,
3303 dependencies: [io_ss.dependencies()],
3304 link_with: libqemuutil,
3306 build_by_default: false)
3308 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3310 libmigration = static_library('migration', sources: migration_files + genh,
3312 build_by_default: false)
3313 migration = declare_dependency(link_with: libmigration,
3314 dependencies: [zlib, qom, io])
3315 softmmu_ss.add(migration)
3317 block_ss = block_ss.apply(config_host, strict: false)
3318 libblock = static_library('block', block_ss.sources() + genh,
3319 dependencies: block_ss.dependencies(),
3320 link_depends: block_syms,
3322 build_by_default: false)
3324 block = declare_dependency(link_whole: [libblock],
3325 link_args: '@block.syms',
3326 dependencies: [crypto, io])
3328 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3329 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3330 dependencies: blockdev_ss.dependencies(),
3332 build_by_default: false)
3334 blockdev = declare_dependency(link_whole: [libblockdev],
3335 dependencies: [block, event_loop_base])
3337 qmp_ss = qmp_ss.apply(config_host, strict: false)
3338 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3339 dependencies: qmp_ss.dependencies(),
3341 build_by_default: false)
3343 qmp = declare_dependency(link_whole: [libqmp])
3345 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3347 dependencies: chardev_ss.dependencies(),
3348 build_by_default: false)
3350 chardev = declare_dependency(link_whole: libchardev)
3352 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3353 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3355 build_by_default: false)
3356 hwcore = declare_dependency(link_whole: libhwcore)
3357 common_ss.add(hwcore)
3363 emulator_modules = []
3364 foreach m : block_mods + softmmu_mods
3365 emulator_modules += shared_module(m.name(),
3366 build_by_default: true,
3370 install_dir: qemu_moddir)
3372 if emulator_modules.length() > 0
3373 alias_target('modules', emulator_modules)
3376 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3377 common_ss.add(qom, qemuutil)
3379 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3380 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3382 common_all = common_ss.apply(config_all, strict: false)
3383 common_all = static_library('common',
3384 build_by_default: false,
3385 sources: common_all.sources() + genh,
3386 include_directories: common_user_inc,
3387 implicit_include_directories: false,
3388 dependencies: common_all.dependencies(),
3391 feature_to_c = find_program('scripts/feature_to_c.sh')
3393 if targetos == 'darwin'
3394 entitlement = find_program('scripts/entitlement.sh')
3398 foreach target : target_dirs
3399 config_target = config_target_mak[target]
3400 target_name = config_target['TARGET_NAME']
3401 target_base_arch = config_target['TARGET_BASE_ARCH']
3402 arch_srcs = [config_target_h[target]]
3404 c_args = ['-DNEED_CPU_H',
3405 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3406 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3407 link_args = emulator_link_args
3409 config_target += config_host
3410 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3411 if targetos == 'linux'
3412 target_inc += include_directories('linux-headers', is_system: true)
3414 if target.endswith('-softmmu')
3415 qemu_target_name = 'qemu-system-' + target_name
3416 target_type='system'
3417 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3418 arch_srcs += t.sources()
3419 arch_deps += t.dependencies()
3421 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3422 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3423 arch_srcs += hw.sources()
3424 arch_deps += hw.dependencies()
3426 arch_srcs += config_devices_h[target]
3427 link_args += ['@block.syms', '@qemu.syms']
3429 abi = config_target['TARGET_ABI_DIR']
3431 target_inc += common_user_inc
3432 qemu_target_name = 'qemu-' + target_name
3433 if target_base_arch in target_user_arch
3434 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3435 arch_srcs += t.sources()
3436 arch_deps += t.dependencies()
3438 if 'CONFIG_LINUX_USER' in config_target
3439 base_dir = 'linux-user'
3441 if 'CONFIG_BSD_USER' in config_target
3442 base_dir = 'bsd-user'
3443 target_inc += include_directories('bsd-user/' / targetos)
3444 target_inc += include_directories('bsd-user/host/' / host_arch)
3445 dir = base_dir / abi
3446 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3448 target_inc += include_directories(
3452 if 'CONFIG_LINUX_USER' in config_target
3453 dir = base_dir / abi
3454 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3455 if config_target.has_key('TARGET_SYSTBL_ABI')
3457 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3458 extra_args : config_target['TARGET_SYSTBL_ABI'])
3463 if 'TARGET_XML_FILES' in config_target
3464 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3465 output: target + '-gdbstub-xml.c',
3466 input: files(config_target['TARGET_XML_FILES'].split()),
3467 command: [feature_to_c, '@INPUT@'],
3469 arch_srcs += gdbstub_xml
3472 t = target_arch[target_base_arch].apply(config_target, strict: false)
3473 arch_srcs += t.sources()
3474 arch_deps += t.dependencies()
3476 target_common = common_ss.apply(config_target, strict: false)
3477 objects = common_all.extract_objects(target_common.sources())
3478 deps = target_common.dependencies()
3480 target_specific = specific_ss.apply(config_target, strict: false)
3481 arch_srcs += target_specific.sources()
3482 arch_deps += target_specific.dependencies()
3484 lib = static_library('qemu-' + target,
3485 sources: arch_srcs + genh,
3486 dependencies: arch_deps,
3488 include_directories: target_inc,
3490 build_by_default: false,
3493 if target.endswith('-softmmu')
3495 'name': 'qemu-system-' + target_name,
3496 'win_subsystem': 'console',
3497 'sources': files('softmmu/main.c'),
3500 if targetos == 'windows' and (sdl.found() or gtk.found())
3502 'name': 'qemu-system-' + target_name + 'w',
3503 'win_subsystem': 'windows',
3504 'sources': files('softmmu/main.c'),
3508 if get_option('fuzzing')
3509 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3511 'name': 'qemu-fuzz-' + target_name,
3512 'win_subsystem': 'console',
3513 'sources': specific_fuzz.sources(),
3514 'dependencies': specific_fuzz.dependencies(),
3519 'name': 'qemu-' + target_name,
3520 'win_subsystem': 'console',
3526 exe_name = exe['name']
3527 if targetos == 'darwin'
3528 exe_name += '-unsigned'
3531 emulator = executable(exe_name, exe['sources'],
3534 dependencies: arch_deps + deps + exe['dependencies'],
3535 objects: lib.extract_all_objects(recursive: true),
3536 link_language: link_language,
3537 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3538 link_args: link_args,
3539 win_subsystem: exe['win_subsystem'])
3541 if targetos == 'darwin'
3542 icon = 'pc-bios/qemu.rsrc'
3543 build_input = [emulator, files(icon)]
3545 get_option('bindir') / exe_name,
3546 meson.current_source_dir() / icon
3548 if 'CONFIG_HVF' in config_target
3549 entitlements = 'accel/hvf/entitlements.plist'
3550 build_input += files(entitlements)
3551 install_input += meson.current_source_dir() / entitlements
3554 emulators += {exe['name'] : custom_target(exe['name'],
3556 output: exe['name'],
3557 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3560 meson.add_install_script(entitlement, '--install',
3561 get_option('bindir') / exe['name'],
3564 emulators += {exe['name']: emulator}
3569 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3570 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3571 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3572 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3574 custom_target(exe['name'] + stp['ext'],
3575 input: trace_events_all,
3576 output: exe['name'] + stp['ext'],
3577 install: stp['install'],
3578 install_dir: get_option('datadir') / 'systemtap/tapset',
3580 tracetool, '--group=all', '--format=' + stp['fmt'],
3581 '--binary=' + stp['bin'],
3582 '--target-name=' + target_name,
3583 '--target-type=' + target_type,
3584 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3585 '@INPUT@', '@OUTPUT@'
3587 depend_files: tracetool_depends)
3593 # Other build targets
3595 if 'CONFIG_PLUGIN' in config_host
3596 install_headers('include/qemu/qemu-plugin.h')
3601 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3602 # when we don't build tools or system
3603 if xkbcommon.found()
3604 # used for the update-keymaps target, so include rules even if !have_tools
3605 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3606 dependencies: [qemuutil, xkbcommon], install: have_tools)
3610 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3611 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3612 qemu_io = executable('qemu-io', files('qemu-io.c'),
3613 dependencies: [block, qemuutil], install: true)
3614 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3615 dependencies: [blockdev, qemuutil, gnutls, selinux],
3618 subdir('storage-daemon')
3619 subdir('contrib/rdmacm-mux')
3620 subdir('contrib/elf2dmp')
3622 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3623 dependencies: qemuutil,
3627 subdir('contrib/vhost-user-blk')
3628 subdir('contrib/vhost-user-gpu')
3629 subdir('contrib/vhost-user-input')
3630 subdir('contrib/vhost-user-scsi')
3633 if targetos == 'linux'
3634 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3635 dependencies: [qemuutil, libcap_ng],
3637 install_dir: get_option('libexecdir'))
3639 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3640 dependencies: [authz, crypto, io, qom, qemuutil,
3641 libcap_ng, mpathpersist],
3646 subdir('contrib/ivshmem-client')
3647 subdir('contrib/ivshmem-server')
3660 if host_machine.system() == 'windows'
3662 find_program('scripts/nsis.py'),
3664 get_option('prefix'),
3665 meson.current_source_dir(),
3668 '-DDISPLAYVERSION=' + meson.project_version(),
3671 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3674 nsis_cmd += '-DCONFIG_GTK=y'
3677 nsis = custom_target('nsis',
3678 output: 'qemu-setup-' + meson.project_version() + '.exe',
3679 input: files('qemu.nsi'),
3680 build_always_stale: true,
3681 command: nsis_cmd + ['@INPUT@'])
3682 alias_target('installer', nsis)
3685 #########################
3686 # Configuration summary #
3687 #########################
3691 summary_info += {'Install prefix': get_option('prefix')}
3692 summary_info += {'BIOS directory': qemu_datadir}
3693 pathsep = targetos == 'windows' ? ';' : ':'
3694 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3695 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3696 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3697 summary_info += {'module directory': qemu_moddir}
3698 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3699 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3700 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3701 if targetos != 'windows'
3702 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3703 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3705 summary_info += {'local state directory': 'queried at runtime'}
3707 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3708 summary_info += {'Build directory': meson.current_build_dir()}
3709 summary_info += {'Source path': meson.current_source_dir()}
3710 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3711 summary(summary_info, bool_yn: true, section: 'Directories')
3715 summary_info += {'git': config_host['GIT']}
3716 summary_info += {'make': config_host['MAKE']}
3717 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3718 summary_info += {'sphinx-build': sphinx_build}
3719 if config_host.has_key('HAVE_GDB_BIN')
3720 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3722 summary_info += {'iasl': iasl}
3723 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3724 if targetos == 'windows' and have_ga
3725 summary_info += {'wixl': wixl}
3727 if slirp_opt != 'disabled' and have_system
3728 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3730 summary(summary_info, bool_yn: true, section: 'Host binaries')
3732 # Configurable features
3734 summary_info += {'Documentation': build_docs}
3735 summary_info += {'system-mode emulation': have_system}
3736 summary_info += {'user-mode emulation': have_user}
3737 summary_info += {'block layer': have_block}
3738 summary_info += {'Install blobs': get_option('install_blobs')}
3739 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3740 if config_host.has_key('CONFIG_MODULES')
3741 summary_info += {'alternative module path': get_option('module_upgrades')}
3743 summary_info += {'fuzzing support': get_option('fuzzing')}
3745 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3747 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3748 if 'simple' in get_option('trace_backends')
3749 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3751 summary_info += {'D-Bus display': dbus_display}
3752 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3753 summary_info += {'vhost-kernel support': have_vhost_kernel}
3754 summary_info += {'vhost-net support': have_vhost_net}
3755 summary_info += {'vhost-user support': have_vhost_user}
3756 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3757 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3758 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3759 summary_info += {'build guest agent': have_ga}
3760 summary(summary_info, bool_yn: true, section: 'Configurable features')
3762 # Compilation information
3764 summary_info += {'host CPU': cpu}
3765 summary_info += {'host endianness': build_machine.endian()}
3766 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3767 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3768 if link_language == 'cpp'
3769 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3771 summary_info += {'C++ compiler': false}
3773 if targetos == 'darwin'
3774 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3776 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3777 + ['-O' + get_option('optimization')]
3778 + (get_option('debug') ? ['-g'] : []))}
3779 if link_language == 'cpp'
3780 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3781 + ['-O' + get_option('optimization')]
3782 + (get_option('debug') ? ['-g'] : []))}
3784 if targetos == 'darwin'
3785 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3786 + ['-O' + get_option('optimization')]
3787 + (get_option('debug') ? ['-g'] : []))}
3789 link_args = get_option(link_language + '_link_args')
3790 if link_args.length() > 0
3791 summary_info += {'LDFLAGS': ' '.join(link_args)}
3793 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3794 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3795 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3796 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3797 summary_info += {'profiler': get_option('profiler')}
3798 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3799 summary_info += {'PIE': get_option('b_pie')}
3800 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3801 summary_info += {'malloc trim support': has_malloc_trim}
3802 summary_info += {'membarrier': have_membarrier}
3803 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3804 summary_info += {'mutex debugging': get_option('debug_mutex')}
3805 summary_info += {'memory allocator': get_option('malloc')}
3806 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3807 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3808 summary_info += {'gprof enabled': get_option('gprof')}
3809 summary_info += {'gcov': get_option('b_coverage')}
3810 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3811 summary_info += {'CFI support': get_option('cfi')}
3812 if get_option('cfi')
3813 summary_info += {'CFI debug support': get_option('cfi_debug')}
3815 summary_info += {'strip binaries': get_option('strip')}
3816 summary_info += {'sparse': sparse}
3817 summary_info += {'mingw32 support': targetos == 'windows'}
3818 summary(summary_info, bool_yn: true, section: 'Compilation')
3820 # snarf the cross-compilation information for tests
3823 foreach target: target_dirs
3824 tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3825 if fs.exists(tcg_mak)
3826 config_cross_tcg = keyval.load(tcg_mak)
3827 if 'CC' in config_cross_tcg
3828 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3834 summary(summary_info, bool_yn: true, section: 'Cross compilers')
3837 # Targets and accelerators
3840 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3841 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3842 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3843 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3844 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3845 summary_info += {'Xen support': xen.found()}
3847 summary_info += {'xen ctrl version': xen.version()}
3850 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3851 if config_all.has_key('CONFIG_TCG')
3852 if get_option('tcg_interpreter')
3853 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3855 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3857 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3858 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3860 summary_info += {'target list': ' '.join(target_dirs)}
3862 summary_info += {'default devices': get_option('default_devices')}
3863 summary_info += {'out of process emulation': multiprocess_allowed}
3864 summary_info += {'vfio-user server': vfio_user_server_allowed}
3866 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3870 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3871 summary_info += {'coroutine pool': have_coroutine_pool}
3873 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3874 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3875 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3876 summary_info += {'VirtFS support': have_virtfs}
3877 summary_info += {'build virtiofs daemon': have_virtiofsd}
3878 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3879 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3880 summary_info += {'bochs support': get_option('bochs').allowed()}
3881 summary_info += {'cloop support': get_option('cloop').allowed()}
3882 summary_info += {'dmg support': get_option('dmg').allowed()}
3883 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3884 summary_info += {'vdi support': get_option('vdi').allowed()}
3885 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3886 summary_info += {'qed support': get_option('qed').allowed()}
3887 summary_info += {'parallels support': get_option('parallels').allowed()}
3888 summary_info += {'FUSE exports': fuse}
3889 summary_info += {'VDUSE block exports': have_vduse_blk_export}
3891 summary(summary_info, bool_yn: true, section: 'Block layer support')
3895 summary_info += {'TLS priority': get_option('tls_priority')}
3896 summary_info += {'GNUTLS support': gnutls}
3898 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3900 summary_info += {'libgcrypt': gcrypt}
3901 summary_info += {'nettle': nettle}
3903 summary_info += {' XTS': xts != 'private'}
3905 summary_info += {'AF_ALG support': have_afalg}
3906 summary_info += {'rng-none': get_option('rng_none')}
3907 summary_info += {'Linux keyring': have_keyring}
3908 summary(summary_info, bool_yn: true, section: 'Crypto')
3912 if targetos == 'darwin'
3913 summary_info += {'Cocoa support': cocoa}
3914 summary_info += {'vmnet.framework support': vmnet}
3916 summary_info += {'SDL support': sdl}
3917 summary_info += {'SDL image support': sdl_image}
3918 summary_info += {'GTK support': gtk}
3919 summary_info += {'pixman': pixman}
3920 summary_info += {'VTE support': vte}
3921 summary_info += {'slirp support': slirp_opt == 'internal' ? slirp_opt : slirp}
3922 summary_info += {'libtasn1': tasn1}
3923 summary_info += {'PAM': pam}
3924 summary_info += {'iconv support': iconv}
3925 summary_info += {'curses support': curses}
3926 summary_info += {'virgl support': virgl}
3927 summary_info += {'curl support': curl}
3928 summary_info += {'Multipath support': mpathpersist}
3929 summary_info += {'PNG support': png}
3930 summary_info += {'VNC support': vnc}
3932 summary_info += {'VNC SASL support': sasl}
3933 summary_info += {'VNC JPEG support': jpeg}
3935 if targetos not in ['darwin', 'haiku', 'windows']
3936 summary_info += {'OSS support': oss}
3937 elif targetos == 'darwin'
3938 summary_info += {'CoreAudio support': coreaudio}
3939 elif targetos == 'windows'
3940 summary_info += {'DirectSound support': dsound}
3942 if targetos == 'linux'
3943 summary_info += {'ALSA support': alsa}
3944 summary_info += {'PulseAudio support': pulse}
3946 summary_info += {'JACK support': jack}
3947 summary_info += {'brlapi support': brlapi}
3948 summary_info += {'vde support': vde}
3949 summary_info += {'netmap support': have_netmap}
3950 summary_info += {'l2tpv3 support': have_l2tpv3}
3951 summary_info += {'Linux AIO support': libaio}
3952 summary_info += {'Linux io_uring support': linux_io_uring}
3953 summary_info += {'ATTR/XATTR support': libattr}
3954 summary_info += {'RDMA support': rdma}
3955 summary_info += {'PVRDMA support': have_pvrdma}
3956 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3957 summary_info += {'libcap-ng support': libcap_ng}
3958 summary_info += {'bpf support': libbpf}
3959 summary_info += {'spice protocol support': spice_protocol}
3960 if spice_protocol.found()
3961 summary_info += {' spice server support': spice}
3963 summary_info += {'rbd support': rbd}
3964 summary_info += {'smartcard support': cacard}
3965 summary_info += {'U2F support': u2f}
3966 summary_info += {'libusb': libusb}
3967 summary_info += {'usb net redir': usbredir}
3968 summary_info += {'OpenGL support (epoxy)': opengl}
3969 summary_info += {'GBM': gbm}
3970 summary_info += {'libiscsi support': libiscsi}
3971 summary_info += {'libnfs support': libnfs}
3972 if targetos == 'windows'
3974 summary_info += {'QGA VSS support': have_qga_vss}
3977 summary_info += {'seccomp support': seccomp}
3978 summary_info += {'GlusterFS support': glusterfs}
3979 summary_info += {'TPM support': have_tpm}
3980 summary_info += {'libssh support': libssh}
3981 summary_info += {'lzo support': lzo}
3982 summary_info += {'snappy support': snappy}
3983 summary_info += {'bzip2 support': libbzip2}
3984 summary_info += {'lzfse support': liblzfse}
3985 summary_info += {'zstd support': zstd}
3986 summary_info += {'NUMA host support': numa}
3987 summary_info += {'capstone': capstone}
3988 summary_info += {'libpmem support': libpmem}
3989 summary_info += {'libdaxctl support': libdaxctl}
3990 summary_info += {'libudev': libudev}
3991 # Dummy dependency, keep .found()
3992 summary_info += {'FUSE lseek': fuse_lseek.found()}
3993 summary_info += {'selinux': selinux}
3994 summary(summary_info, bool_yn: true, section: 'Dependencies')
3996 if not supported_cpus.contains(cpu)
3998 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4000 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4001 message('The QEMU project intends to remove support for this host CPU in')
4002 message('a future release if nobody volunteers to maintain it and to')
4003 message('provide a build host for our continuous integration setup.')
4004 message('configure has succeeded and you can continue to build, but')
4005 message('if you care about QEMU on this platform you should contact')
4006 message('us upstream at qemu-devel@nongnu.org.')
4009 if not supported_oses.contains(targetos)
4011 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4013 message('Host OS ' + targetos + 'support is not currently maintained.')
4014 message('The QEMU project intends to remove support for this host OS in')
4015 message('a future release if nobody volunteers to maintain it and to')
4016 message('provide a build host for our continuous integration setup.')
4017 message('configure has succeeded and you can continue to build, but')
4018 message('if you care about QEMU on this platform you should contact')
4019 message('us upstream at qemu-devel@nongnu.org.')