1 project('qemu', ['c'], meson_version: '>=0.61.3',
2 default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
3 'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
4 version: files('VERSION'))
6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
12 not_found = dependency('', required: false)
13 keyval = import('keyval')
14 ss = import('sourceset')
17 sh = find_program('sh')
18 cc = meson.get_compiler('c')
19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
20 enable_modules = 'CONFIG_MODULES' in config_host
21 enable_static = 'CONFIG_STATIC' in config_host
23 # Allow both shared and static libraries unless --enable-static
24 static_kwargs = enable_static ? {'static': true} : {}
26 # Temporary directory used for files created while
27 # configure runs. Since it is in the build directory
28 # we can safely blow away any previous version of it
29 # (and we need not jump through hoops to try to delete
30 # it when configure exits.)
31 tmpdir = meson.current_build_dir() / 'meson-private/temp'
33 if get_option('qemu_suffix').startswith('/')
34 error('qemu_suffix cannot start with a /')
37 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
38 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
39 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
40 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
42 qemu_desktopdir = get_option('datadir') / 'applications'
43 qemu_icondir = get_option('datadir') / 'icons'
45 config_host_data = configuration_data()
47 qapi_trace_events = []
49 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
50 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
51 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
52 'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
54 cpu = host_machine.cpu_family()
56 # Unify riscv* to a single family.
57 if cpu in ['riscv32', 'riscv64']
61 targetos = host_machine.system()
63 target_dirs = config_host['TARGET_DIRS'].split()
64 have_linux_user = false
67 foreach target : target_dirs
68 have_linux_user = have_linux_user or target.endswith('linux-user')
69 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
70 have_system = have_system or target.endswith('-softmmu')
72 have_user = have_linux_user or have_bsd_user
73 have_tools = get_option('tools') \
74 .disable_auto_if(not have_system) \
76 have_ga = get_option('guest_agent') \
77 .disable_auto_if(not have_system and not have_tools) \
78 .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
79 error_message: 'unsupported OS for QEMU guest agent') \
81 have_block = have_system or have_tools
83 python = import('python').find_installation()
85 if cpu not in supported_cpus
95 if cpu in ['x86', 'x86_64']
96 kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
98 kvm_targets = ['aarch64-softmmu']
100 kvm_targets = ['s390x-softmmu']
101 elif cpu in ['ppc', 'ppc64']
102 kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
103 elif cpu in ['mips', 'mips64']
104 kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
105 elif cpu in ['riscv']
106 kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
112 if get_option('kvm').allowed() and targetos == 'linux'
113 kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
115 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
117 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
119 if cpu in ['aarch64']
120 accelerator_targets += {
121 'CONFIG_HVF': ['aarch64-softmmu']
125 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
126 # i386 emulator provides xenpv machine type for multiple architectures
127 accelerator_targets += {
128 'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
131 if cpu in ['x86', 'x86_64']
132 accelerator_targets += {
133 'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
134 'CONFIG_HVF': ['x86_64-softmmu'],
135 'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
136 'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
141 # Darwin does not support references to thread-local variables in modules
142 if targetos != 'darwin'
143 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
146 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
147 unpack_edk2_blobs = false
148 foreach target : edk2_targets
149 if target in target_dirs
150 bzip2 = find_program('bzip2', required: get_option('install_blobs'))
151 unpack_edk2_blobs = bzip2.found()
158 if 'dtrace' in get_option('trace_backends')
159 dtrace = find_program('dtrace', required: true)
160 stap = find_program('stap', required: false)
162 # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
163 # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
164 # instead. QEMU --enable-modules depends on this because the SystemTap
165 # semaphores are linked into the main binary and not the module's shared
167 add_global_arguments('-DSTAP_SDT_V2',
168 native: false, language: ['c', 'cpp', 'objc'])
172 if get_option('iasl') == ''
173 iasl = find_program('iasl', required: false)
175 iasl = find_program(get_option('iasl'), required: true)
182 qemu_cflags = config_host['QEMU_CFLAGS'].split()
183 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
184 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
187 qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
190 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
191 # The combination is known as "full relro", because .got.plt is read-only too.
192 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
194 if targetos == 'windows'
195 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
196 # Disable ASLR for debug builds to allow debugging with gdb
197 if get_option('optimization') == '0'
198 qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
202 if get_option('gprof')
203 qemu_cflags += ['-p']
204 qemu_objcflags += ['-p']
205 qemu_ldflags += ['-p']
208 # Specify linker-script with add_project_link_arguments so that it is not placed
209 # within a linker --start-group/--end-group pair
210 if get_option('fuzzing')
211 add_project_link_arguments(['-Wl,-T,',
212 (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
213 native: false, language: ['c', 'cpp', 'objc'])
215 # Specify a filter to only instrument code that is directly related to
217 configure_file(output: 'instrumentation-filter',
218 input: 'scripts/oss-fuzz/instrumentation-filter-template',
221 if cc.compiles('int main () { return 0; }',
222 name: '-fsanitize-coverage-allowlist=/dev/null',
223 args: ['-fsanitize-coverage-allowlist=/dev/null',
224 '-fsanitize-coverage=trace-pc'] )
225 add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
226 native: false, language: ['c', 'cpp', 'objc'])
229 if get_option('fuzzing_engine') == ''
230 # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
231 # compiled code. To build non-fuzzer binaries with --enable-fuzzing, link
232 # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
233 # unable to bind the fuzzer-related callbacks added by instrumentation.
234 add_global_arguments('-fsanitize=fuzzer-no-link',
235 native: false, language: ['c', 'cpp', 'objc'])
236 add_global_link_arguments('-fsanitize=fuzzer-no-link',
237 native: false, language: ['c', 'cpp', 'objc'])
238 # For the actual fuzzer binaries, we need to link against the libfuzzer
239 # library. They need to be configurable, to support OSS-Fuzz
240 fuzz_exe_ldflags = ['-fsanitize=fuzzer']
242 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
243 # the needed CFLAGS have already been provided
244 fuzz_exe_ldflags = get_option('fuzzing_engine').split()
248 add_global_arguments(qemu_cflags, native: false, language: ['c'])
249 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
251 # Check that the C++ compiler exists and works with the C compiler.
255 if add_languages('cpp', required: false, native: false)
256 cxx = meson.get_compiler('cpp')
257 add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
258 native: false, language: 'cpp')
259 foreach k: qemu_cflags
260 if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
261 '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
265 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
267 if cxx.links(files('scripts/main.c'), args: qemu_cflags)
268 link_language = 'cpp'
271 message('C++ compiler does not work with C compiler')
272 message('Disabling C++-specific optional code')
276 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
277 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
278 qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
281 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
283 if targetos == 'linux'
284 add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
285 '-isystem', 'linux-headers',
286 language: ['c', 'cpp'])
289 add_project_arguments('-iquote', '.',
290 '-iquote', meson.current_source_dir(),
291 '-iquote', meson.current_source_dir() / 'include',
292 language: ['c', 'cpp', 'objc'])
294 if host_machine.system() == 'darwin'
295 add_languages('objc', required: false, native: false)
298 sparse = find_program('cgcc', required: get_option('sparse'))
301 command: [find_program('scripts/check_sparse.py'),
302 'compile_commands.json', sparse.full_path(), '-Wbitwise',
303 '-Wno-transparent-union', '-Wno-old-initializer',
304 '-Wno-non-pointer-null'])
307 ###########################################
308 # Target-specific checks and dependencies #
309 ###########################################
312 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
315 #include <sys/types.h>
316 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
317 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
319 args: ['-Werror', '-fsanitize=fuzzer'])
320 error('Your compiler does not support -fsanitize=fuzzer')
324 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
325 error('ftrace is supported only on Linux')
327 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
330 openlog("qemu", LOG_PID, LOG_DAEMON);
331 syslog(LOG_INFO, "configure");
334 error('syslog is not supported on this system')
337 # Miscellaneous Linux-only features
338 get_option('mpath') \
339 .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
341 multiprocess_allowed = get_option('multiprocess') \
342 .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
345 vfio_user_server_allowed = get_option('vfio_user_server') \
346 .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
349 have_tpm = get_option('tpm') \
350 .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
354 have_vhost_user = get_option('vhost_user') \
355 .disable_auto_if(targetos != 'linux') \
356 .require(targetos != 'windows',
357 error_message: 'vhost-user is not available on Windows').allowed()
358 have_vhost_vdpa = get_option('vhost_vdpa') \
359 .require(targetos == 'linux',
360 error_message: 'vhost-vdpa is only available on Linux').allowed()
361 have_vhost_kernel = get_option('vhost_kernel') \
362 .require(targetos == 'linux',
363 error_message: 'vhost-kernel is only available on Linux').allowed()
364 have_vhost_user_crypto = get_option('vhost_crypto') \
365 .require(have_vhost_user,
366 error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
368 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
370 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
371 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
372 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
373 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
375 # Target-specific libraries and flags
376 libm = cc.find_library('m', required: false)
377 threads = dependency('threads')
378 util = cc.find_library('util', required: false)
384 emulator_link_args = []
391 if targetos == 'windows'
392 midl = find_program('midl', required: false)
393 widl = find_program('widl', required: false)
394 pathcch = cc.find_library('pathcch')
395 socket = cc.find_library('ws2_32')
396 winmm = cc.find_library('winmm')
398 win = import('windows')
399 version_res = win.compile_resources('version.rc',
400 depend_files: files('pc-bios/qemu-nsis.ico'),
401 include_directories: include_directories('.'))
403 elif targetos == 'darwin'
404 coref = dependency('appleframeworks', modules: 'CoreFoundation')
405 iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
406 host_dsosuf = '.dylib'
407 elif targetos == 'sunos'
408 socket = [cc.find_library('socket'),
409 cc.find_library('nsl'),
410 cc.find_library('resolv')]
411 elif targetos == 'haiku'
412 socket = [cc.find_library('posix_error_mapper'),
413 cc.find_library('network'),
414 cc.find_library('bsd')]
415 elif targetos == 'openbsd'
416 if get_option('tcg').allowed() and target_dirs.length() > 0
417 # Disable OpenBSD W^X if available
418 emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
422 # Target-specific configuration of accelerators
424 if get_option('kvm').allowed() and targetos == 'linux'
425 accelerators += 'CONFIG_KVM'
427 if get_option('whpx').allowed() and targetos == 'windows'
428 if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
429 error('WHPX requires 64-bit host')
430 elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
431 cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
432 accelerators += 'CONFIG_WHPX'
435 if get_option('hvf').allowed()
436 hvf = dependency('appleframeworks', modules: 'Hypervisor',
437 required: get_option('hvf'))
439 accelerators += 'CONFIG_HVF'
442 if get_option('hax').allowed()
443 if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
444 accelerators += 'CONFIG_HAX'
447 if targetos == 'netbsd'
448 nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
450 accelerators += 'CONFIG_NVMM'
455 if get_option('tcg').allowed()
456 if host_arch == 'unknown'
457 if get_option('tcg_interpreter')
458 warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
460 error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
462 elif get_option('tcg_interpreter')
463 warning('Use of the TCG interpreter is not recommended on this host')
464 warning('architecture. There is a native TCG execution backend available')
465 warning('which provides substantially better performance and reliability.')
466 warning('It is strongly recommended to remove the --enable-tcg-interpreter')
467 warning('configuration option on this architecture to use the native')
470 if get_option('tcg_interpreter')
472 elif host_arch == 'x86_64'
474 elif host_arch == 'ppc64'
477 add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
478 language: ['c', 'cpp', 'objc'])
480 accelerators += 'CONFIG_TCG'
481 config_host += { 'CONFIG_TCG': 'y' }
484 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
485 error('KVM not available on this platform')
487 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
488 error('HVF not available on this platform')
490 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
491 error('NVMM not available on this platform')
493 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
494 error('WHPX not available on this platform')
501 # The path to glib.h is added to all compilation commands. This was
502 # grandfathered in from the QEMU Makefiles.
503 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
504 native: false, language: ['c', 'cpp', 'objc'])
505 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
506 link_args: config_host['GLIB_LIBS'].split(),
507 version: config_host['GLIB_VERSION'],
509 'bindir': config_host['GLIB_BINDIR'],
511 # override glib dep with the configure results (for subprojects)
512 meson.override_dependency('glib-2.0', glib)
515 gdbus_codegen = not_found
516 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
517 if not get_option('gio').auto() or have_system
518 gio = dependency('gio-2.0', required: get_option('gio'),
519 method: 'pkg-config', kwargs: static_kwargs)
520 if gio.found() and not cc.links('''
524 g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
526 }''', dependencies: [glib, gio])
527 if get_option('gio').enabled()
528 error('The installed libgio is broken for static linking')
533 gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
534 required: get_option('gio'))
535 gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
536 method: 'pkg-config', kwargs: static_kwargs)
537 gio = declare_dependency(dependencies: [gio, gio_unix],
538 version: gio.version())
541 if gdbus_codegen.found() and get_option('cfi')
542 gdbus_codegen = not_found
543 gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
547 if 'ust' in get_option('trace_backends')
548 lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
549 method: 'pkg-config', kwargs: static_kwargs)
552 if have_system or have_tools
553 pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
554 method: 'pkg-config', kwargs: static_kwargs)
556 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
559 if not get_option('linux_aio').auto() or have_block
560 libaio = cc.find_library('aio', has_headers: ['libaio.h'],
561 required: get_option('linux_aio'),
562 kwargs: static_kwargs)
565 linux_io_uring_test = '''
566 #include <liburing.h>
567 #include <linux/errqueue.h>
569 int main(void) { return 0; }'''
571 linux_io_uring = not_found
572 if not get_option('linux_io_uring').auto() or have_block
573 linux_io_uring = dependency('liburing', version: '>=0.3',
574 required: get_option('linux_io_uring'),
575 method: 'pkg-config', kwargs: static_kwargs)
576 if not cc.links(linux_io_uring_test)
577 linux_io_uring = not_found
582 if not get_option('libnfs').auto() or have_block
583 libnfs = dependency('libnfs', version: '>=1.9.3',
584 required: get_option('libnfs'),
585 method: 'pkg-config', kwargs: static_kwargs)
590 #include <sys/types.h>
591 #ifdef CONFIG_LIBATTR
592 #include <attr/xattr.h>
594 #include <sys/xattr.h>
596 int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
599 have_old_libattr = false
600 if get_option('attr').allowed()
601 if cc.links(libattr_test)
602 libattr = declare_dependency()
604 libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
605 required: get_option('attr'),
606 kwargs: static_kwargs)
607 if libattr.found() and not \
608 cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
610 if get_option('attr').enabled()
611 error('could not link libattr')
613 warning('could not link libattr, disabling')
616 have_old_libattr = libattr.found()
621 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
622 required: get_option('cocoa'))
624 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
625 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
626 'VMNET_BRIDGED_MODE',
629 if get_option('vmnet').enabled()
630 error('vmnet.framework API is outdated')
632 warning('vmnet.framework API is outdated, disabling')
637 seccomp_has_sysrawrc = false
638 if not get_option('seccomp').auto() or have_system or have_tools
639 seccomp = dependency('libseccomp', version: '>=2.3.0',
640 required: get_option('seccomp'),
641 method: 'pkg-config', kwargs: static_kwargs)
643 seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
644 'SCMP_FLTATR_API_SYSRAWRC',
645 dependencies: seccomp)
649 libcap_ng = not_found
650 if not get_option('cap_ng').auto() or have_system or have_tools
651 libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
652 required: get_option('cap_ng'),
653 kwargs: static_kwargs)
655 if libcap_ng.found() and not cc.links('''
659 capng_capability_to_name(CAPNG_EFFECTIVE);
661 }''', dependencies: libcap_ng)
662 libcap_ng = not_found
663 if get_option('cap_ng').enabled()
664 error('could not link libcap-ng')
666 warning('could not link libcap-ng, disabling')
670 if get_option('xkbcommon').auto() and not have_system and not have_tools
671 xkbcommon = not_found
673 xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
674 method: 'pkg-config', kwargs: static_kwargs)
678 if not get_option('slirp').auto() or have_system
679 slirp = dependency('slirp', required: get_option('slirp'),
680 method: 'pkg-config', kwargs: static_kwargs)
681 # slirp < 4.7 is incompatible with CFI support in QEMU. This is because
682 # it passes function pointers within libslirp as callbacks for timers.
683 # When using a system-wide shared libslirp, the type information for the
684 # callback is missing and the timer call produces a false positive with CFI.
685 # Do not use the "version" keyword argument to produce a better error.
686 # with control-flow integrity.
687 if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
688 if get_option('slirp').enabled()
689 error('Control-Flow Integrity requires libslirp 4.7.')
691 warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
698 if not get_option('vde').auto() or have_system or have_tools
699 vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
700 required: get_option('vde'),
701 kwargs: static_kwargs)
703 if vde.found() and not cc.links('''
704 #include <libvdeplug.h>
707 struct vde_open_args a = {0, 0, 0};
711 }''', dependencies: vde)
713 if get_option('cap_ng').enabled()
714 error('could not link libvdeplug')
716 warning('could not link libvdeplug, disabling')
721 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
722 pulse = dependency('libpulse', required: get_option('pa'),
723 method: 'pkg-config', kwargs: static_kwargs)
726 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
727 alsa = dependency('alsa', required: get_option('alsa'),
728 method: 'pkg-config', kwargs: static_kwargs)
731 if not get_option('jack').auto() or have_system
732 jack = dependency('jack', required: get_option('jack'),
733 method: 'pkg-config', kwargs: static_kwargs)
736 if not get_option('sndio').auto() or have_system
737 sndio = dependency('sndio', required: get_option('sndio'),
738 method: 'pkg-config', kwargs: static_kwargs)
741 spice_protocol = not_found
742 if not get_option('spice_protocol').auto() or have_system
743 spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
744 required: get_option('spice_protocol'),
745 method: 'pkg-config', kwargs: static_kwargs)
748 if not get_option('spice').auto() or have_system
749 spice = dependency('spice-server', version: '>=0.12.5',
750 required: get_option('spice'),
751 method: 'pkg-config', kwargs: static_kwargs)
753 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
755 rt = cc.find_library('rt', required: false)
758 if not get_option('libiscsi').auto() or have_block
759 libiscsi = dependency('libiscsi', version: '>=1.9.0',
760 required: get_option('libiscsi'),
761 method: 'pkg-config', kwargs: static_kwargs)
764 if not get_option('zstd').auto() or have_block
765 zstd = dependency('libzstd', version: '>=1.4.0',
766 required: get_option('zstd'),
767 method: 'pkg-config', kwargs: static_kwargs)
771 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
772 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
773 virgl = dependency('virglrenderer',
774 method: 'pkg-config',
775 required: get_option('virglrenderer'),
776 kwargs: static_kwargs)
779 if not get_option('blkio').auto() or have_block
780 blkio = dependency('blkio',
781 method: 'pkg-config',
782 required: get_option('blkio'),
783 kwargs: static_kwargs)
786 if not get_option('curl').auto() or have_block
787 curl = dependency('libcurl', version: '>=7.29.0',
788 method: 'pkg-config',
789 required: get_option('curl'),
790 kwargs: static_kwargs)
793 if targetos == 'linux' and (have_system or have_tools)
794 libudev = dependency('libudev',
795 method: 'pkg-config',
796 required: get_option('libudev'),
797 kwargs: static_kwargs)
800 mpathlibs = [libudev]
801 mpathpersist = not_found
802 mpathpersist_new_api = false
803 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
804 mpath_test_source_new = '''
806 #include <mpath_persist.h>
807 unsigned mpath_mx_alloc_len = 1024;
809 static struct config *multipath_conf;
810 extern struct udev *udev;
811 extern struct config *get_multipath_config(void);
812 extern void put_multipath_config(struct config *conf);
814 struct config *get_multipath_config(void) { return multipath_conf; }
815 void put_multipath_config(struct config *conf) { }
818 multipath_conf = mpath_lib_init();
821 mpath_test_source_old = '''
823 #include <mpath_persist.h>
824 unsigned mpath_mx_alloc_len = 1024;
827 struct udev *udev = udev_new();
828 mpath_lib_init(udev);
831 libmpathpersist = cc.find_library('mpathpersist',
832 required: get_option('mpath'),
833 kwargs: static_kwargs)
834 if libmpathpersist.found()
835 mpathlibs += libmpathpersist
837 mpathlibs += cc.find_library('devmapper',
838 required: get_option('mpath'),
839 kwargs: static_kwargs)
841 mpathlibs += cc.find_library('multipath',
842 required: get_option('mpath'),
843 kwargs: static_kwargs)
844 foreach lib: mpathlibs
850 if mpathlibs.length() == 0
851 msg = 'Dependencies missing for libmpathpersist'
852 elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
853 mpathpersist = declare_dependency(dependencies: mpathlibs)
854 mpathpersist_new_api = true
855 elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
856 mpathpersist = declare_dependency(dependencies: mpathlibs)
858 msg = 'Cannot detect libmpathpersist API'
860 if not mpathpersist.found()
861 if get_option('mpath').enabled()
864 warning(msg + ', disabling')
872 if have_system and get_option('curses').allowed()
874 #if defined(__APPLE__) || defined(__OpenBSD__)
875 #define _XOPEN_SOURCE_EXTENDED 1
882 setlocale(LC_ALL, "");
884 addwstr(L"wide chars\n");
886 add_wch(WACS_DEGREE);
890 curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
891 curses = dependency(curses_dep_list,
893 method: 'pkg-config',
894 kwargs: static_kwargs)
895 msg = get_option('curses').enabled() ? 'curses library not found' : ''
896 curses_compile_args = ['-DNCURSES_WIDECHAR=1']
898 if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
899 curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
901 msg = 'curses package not usable'
905 if not curses.found()
906 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
907 if targetos != 'windows' and not has_curses_h
908 message('Trying with /usr/include/ncursesw')
909 curses_compile_args += ['-I/usr/include/ncursesw']
910 has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
913 curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
914 foreach curses_libname : curses_libname_list
915 libcurses = cc.find_library(curses_libname,
917 kwargs: static_kwargs)
919 if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
920 curses = declare_dependency(compile_args: curses_compile_args,
921 dependencies: [libcurses])
924 msg = 'curses library not usable'
930 if get_option('iconv').allowed()
931 foreach link_args : [ ['-liconv'], [] ]
932 # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
933 # We need to use libiconv if available because mixing libiconv's headers with
934 # the system libc does not work.
935 # However, without adding glib to the dependencies -L/usr/local/lib will not be
936 # included in the command line and libiconv will not be found.
940 iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
941 return conv != (iconv_t) -1;
942 }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
943 iconv = declare_dependency(link_args: link_args, dependencies: glib)
948 if curses.found() and not iconv.found()
949 if get_option('iconv').enabled()
950 error('iconv not available')
952 msg = 'iconv required for curses UI but not available'
955 if not curses.found() and msg != ''
956 if get_option('curses').enabled()
959 warning(msg + ', disabling')
965 if not get_option('brlapi').auto() or have_system
966 brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
967 required: get_option('brlapi'),
968 kwargs: static_kwargs)
969 if brlapi.found() and not cc.links('''
972 int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
974 if get_option('brlapi').enabled()
975 error('could not link brlapi')
977 warning('could not link brlapi, disabling')
983 if not get_option('sdl').auto() or have_system
984 sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
985 sdl_image = not_found
988 # work around 2.0.8 bug
989 sdl = declare_dependency(compile_args: '-Wno-undef',
991 sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
992 method: 'pkg-config', kwargs: static_kwargs)
994 if get_option('sdl_image').enabled()
995 error('sdl-image required, but SDL was @0@'.format(
996 get_option('sdl').disabled() ? 'disabled' : 'not found'))
998 sdl_image = not_found
1002 if not get_option('rbd').auto() or have_block
1003 librados = cc.find_library('rados', required: get_option('rbd'),
1004 kwargs: static_kwargs)
1005 librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1006 required: get_option('rbd'),
1007 kwargs: static_kwargs)
1008 if librados.found() and librbd.found()
1011 #include <rbd/librbd.h>
1014 rados_create(&cluster, NULL);
1015 #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1019 }''', dependencies: [librbd, librados])
1020 rbd = declare_dependency(dependencies: [librbd, librados])
1021 elif get_option('rbd').enabled()
1022 error('librbd >= 1.12.0 required')
1024 warning('librbd >= 1.12.0 not found, disabling')
1029 glusterfs = not_found
1030 glusterfs_ftruncate_has_stat = false
1031 glusterfs_iocb_has_stat = false
1032 if not get_option('glusterfs').auto() or have_block
1033 glusterfs = dependency('glusterfs-api', version: '>=3',
1034 required: get_option('glusterfs'),
1035 method: 'pkg-config', kwargs: static_kwargs)
1036 if glusterfs.found()
1037 glusterfs_ftruncate_has_stat = cc.links('''
1038 #include <glusterfs/api/glfs.h>
1043 /* new glfs_ftruncate() passes two additional args */
1044 return glfs_ftruncate(NULL, 0, NULL, NULL);
1046 ''', dependencies: glusterfs)
1047 glusterfs_iocb_has_stat = cc.links('''
1048 #include <glusterfs/api/glfs.h>
1050 /* new glfs_io_cbk() passes two additional glfs_stat structs */
1052 glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1058 glfs_io_cbk iocb = &glusterfs_iocb;
1059 iocb(NULL, 0 , NULL, NULL, NULL);
1062 ''', dependencies: glusterfs)
1067 if not get_option('libssh').auto() or have_block
1068 libssh = dependency('libssh', version: '>=0.8.7',
1069 method: 'pkg-config',
1070 required: get_option('libssh'),
1071 kwargs: static_kwargs)
1074 libbzip2 = not_found
1075 if not get_option('bzip2').auto() or have_block
1076 libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1077 required: get_option('bzip2'),
1078 kwargs: static_kwargs)
1079 if libbzip2.found() and not cc.links('''
1081 int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1082 libbzip2 = not_found
1083 if get_option('bzip2').enabled()
1084 error('could not link libbzip2')
1086 warning('could not link libbzip2, disabling')
1091 liblzfse = not_found
1092 if not get_option('lzfse').auto() or have_block
1093 liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1094 required: get_option('lzfse'),
1095 kwargs: static_kwargs)
1097 if liblzfse.found() and not cc.links('''
1099 int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1100 liblzfse = not_found
1101 if get_option('lzfse').enabled()
1102 error('could not link liblzfse')
1104 warning('could not link liblzfse, disabling')
1109 if get_option('oss').allowed() and have_system
1110 if not cc.has_header('sys/soundcard.h')
1112 elif targetos == 'netbsd'
1113 oss = cc.find_library('ossaudio', required: get_option('oss'),
1114 kwargs: static_kwargs)
1116 oss = declare_dependency()
1120 if get_option('oss').enabled()
1121 error('OSS not found')
1126 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1127 if cc.has_header('dsound.h')
1128 dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131 if not dsound.found()
1132 if get_option('dsound').enabled()
1133 error('DirectSound not found')
1138 coreaudio = not_found
1139 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1140 coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1141 required: get_option('coreaudio'))
1145 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1146 epoxy = dependency('epoxy', method: 'pkg-config',
1147 required: get_option('opengl'), kwargs: static_kwargs)
1148 if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1150 elif get_option('opengl').enabled()
1151 error('epoxy/egl.h not found')
1155 if (have_system or have_tools) and (virgl.found() or opengl.found())
1156 gbm = dependency('gbm', method: 'pkg-config', required: false,
1157 kwargs: static_kwargs)
1159 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162 gnutls_crypto = not_found
1163 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1164 # For general TLS support our min gnutls matches
1165 # that implied by our platform support matrix
1167 # For the crypto backends, we look for a newer
1170 # Version 3.6.8 is needed to get XTS
1171 # Version 3.6.13 is needed to get PBKDF
1172 # Version 3.6.14 is needed to get HW accelerated XTS
1174 # If newer enough gnutls isn't available, we can
1175 # still use a different crypto backend to satisfy
1176 # the platform support requirements
1177 gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1178 method: 'pkg-config',
1180 kwargs: static_kwargs)
1181 if gnutls_crypto.found()
1182 gnutls = gnutls_crypto
1184 # Our min version if all we need is TLS
1185 gnutls = dependency('gnutls', version: '>=3.5.18',
1186 method: 'pkg-config',
1187 required: get_option('gnutls'),
1188 kwargs: static_kwargs)
1192 # We prefer use of gnutls for crypto, unless the options
1193 # explicitly asked for nettle or gcrypt.
1195 # If gnutls isn't available for crypto, then we'll prefer
1196 # gcrypt over nettle for performance reasons.
1202 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1203 error('Only one of gcrypt & nettle can be enabled')
1206 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1207 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1208 gnutls_crypto = not_found
1211 if not gnutls_crypto.found()
1212 if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1213 gcrypt = dependency('libgcrypt', version: '>=1.8',
1214 method: 'config-tool',
1215 required: get_option('gcrypt'),
1216 kwargs: static_kwargs)
1217 # Debian has removed -lgpg-error from libgcrypt-config
1218 # as it "spreads unnecessary dependencies" which in
1219 # turn breaks static builds...
1220 if gcrypt.found() and enable_static
1221 gcrypt = declare_dependency(dependencies: [
1223 cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226 if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1227 nettle = dependency('nettle', version: '>=3.4',
1228 method: 'pkg-config',
1229 required: get_option('nettle'),
1230 kwargs: static_kwargs)
1231 if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1237 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1238 if nettle.found() and gmp.found()
1239 hogweed = dependency('hogweed', version: '>=3.4',
1240 method: 'pkg-config',
1241 required: get_option('nettle'),
1242 kwargs: static_kwargs)
1249 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1251 if not get_option('gtk').auto() or have_system
1252 gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1253 method: 'pkg-config',
1254 required: get_option('gtk'),
1255 kwargs: static_kwargs)
1257 gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1258 method: 'pkg-config',
1260 kwargs: static_kwargs)
1261 gtk = declare_dependency(dependencies: [gtk, gtkx11])
1263 if not get_option('vte').auto() or have_system
1264 vte = dependency('vte-2.91',
1265 method: 'pkg-config',
1266 required: get_option('vte'),
1267 kwargs: static_kwargs)
1269 elif have_gtk_clipboard
1270 error('GTK clipboard requested, but GTK not found')
1276 x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1277 kwargs: static_kwargs)
1280 if get_option('png').allowed() and have_system
1281 png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1282 method: 'pkg-config', kwargs: static_kwargs)
1287 if get_option('vnc').allowed() and have_system
1288 vnc = declare_dependency() # dummy dependency
1289 jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1290 method: 'pkg-config', kwargs: static_kwargs)
1291 sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1292 required: get_option('vnc_sasl'),
1293 kwargs: static_kwargs)
1295 sasl = declare_dependency(dependencies: sasl,
1296 compile_args: '-DSTRUCT_IOVEC_DEFINED')
1301 if not get_option('auth_pam').auto() or have_system
1302 pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1303 required: get_option('auth_pam'),
1304 kwargs: static_kwargs)
1306 if pam.found() and not cc.links('''
1308 #include <security/pam_appl.h>
1310 const char *service_name = "qemu";
1311 const char *user = "frank";
1312 const struct pam_conv pam_conv = { 0 };
1313 pam_handle_t *pamh = NULL;
1314 pam_start(service_name, user, &pam_conv, &pamh);
1316 }''', dependencies: pam)
1318 if get_option('auth_pam').enabled()
1319 error('could not link libpam')
1321 warning('could not link libpam, disabling')
1326 if not get_option('snappy').auto() or have_system
1327 snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1328 required: get_option('snappy'),
1329 kwargs: static_kwargs)
1331 if snappy.found() and not linker.links('''
1332 #include <snappy-c.h>
1333 int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1335 if get_option('snappy').enabled()
1336 error('could not link libsnappy')
1338 warning('could not link libsnappy, disabling')
1343 if not get_option('lzo').auto() or have_system
1344 lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1345 required: get_option('lzo'),
1346 kwargs: static_kwargs)
1348 if lzo.found() and not cc.links('''
1349 #include <lzo/lzo1x.h>
1350 int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1352 if get_option('lzo').enabled()
1353 error('could not link liblzo2')
1355 warning('could not link liblzo2, disabling')
1360 if not get_option('numa').auto() or have_system or have_tools
1361 numa = cc.find_library('numa', has_headers: ['numa.h'],
1362 required: get_option('numa'),
1363 kwargs: static_kwargs)
1365 if numa.found() and not cc.links('''
1367 int main(void) { return numa_available(); }
1368 ''', dependencies: numa)
1370 if get_option('numa').enabled()
1371 error('could not link numa')
1373 warning('could not link numa, disabling')
1378 if not get_option('rdma').auto() or have_system
1379 libumad = cc.find_library('ibumad', required: get_option('rdma'))
1380 rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1381 required: get_option('rdma'),
1382 kwargs: static_kwargs),
1383 cc.find_library('ibverbs', required: get_option('rdma'),
1384 kwargs: static_kwargs),
1386 rdma = declare_dependency(dependencies: rdma_libs)
1387 foreach lib: rdma_libs
1395 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1396 xencontrol = dependency('xencontrol', required: false,
1397 method: 'pkg-config', kwargs: static_kwargs)
1398 if xencontrol.found()
1399 xen_pc = declare_dependency(version: xencontrol.version(),
1402 # disabler: true makes xen_pc.found() return false if any is not found
1403 dependency('xenstore', required: false,
1404 method: 'pkg-config', kwargs: static_kwargs,
1406 dependency('xenforeignmemory', required: false,
1407 method: 'pkg-config', kwargs: static_kwargs,
1409 dependency('xengnttab', required: false,
1410 method: 'pkg-config', kwargs: static_kwargs,
1412 dependency('xenevtchn', required: false,
1413 method: 'pkg-config', kwargs: static_kwargs,
1415 dependency('xendevicemodel', required: false,
1416 method: 'pkg-config', kwargs: static_kwargs,
1418 # optional, no "disabler: true"
1419 dependency('xentoolcore', required: false,
1420 method: 'pkg-config', kwargs: static_kwargs)])
1426 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' ]
1428 '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1429 '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1430 '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1431 '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1432 '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433 '4.6.0': [ 'xenstore', 'xenctrl' ],
1434 '4.5.0': [ 'xenstore', 'xenctrl' ],
1435 '4.2.0': [ 'xenstore', 'xenctrl' ],
1438 foreach ver: xen_tests
1439 # cache the various library tests to avoid polluting the logs
1441 foreach l: xen_libs[ver]
1442 if l not in xen_deps
1443 xen_deps += { l: cc.find_library(l, required: false) }
1445 xen_test_deps += xen_deps[l]
1448 # Use -D to pick just one of the test programs in scripts/xen-detect.c
1449 xen_version = ver.split('.')
1450 xen_ctrl_version = xen_version[0] + \
1451 ('0' + xen_version[1]).substring(-2) + \
1452 ('0' + xen_version[2]).substring(-2)
1453 if cc.links(files('scripts/xen-detect.c'),
1454 args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1455 dependencies: xen_test_deps)
1456 xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1462 accelerators += 'CONFIG_XEN'
1463 elif get_option('xen').enabled()
1464 error('could not compile and link Xen test program')
1467 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1468 .require(xen.found(),
1469 error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1470 .require(targetos == 'linux',
1471 error_message: 'Xen PCI passthrough not available on this platform') \
1476 if not get_option('smartcard').auto() or have_system
1477 cacard = dependency('libcacard', required: get_option('smartcard'),
1478 version: '>=2.5.1', method: 'pkg-config',
1479 kwargs: static_kwargs)
1483 u2f = dependency('u2f-emu', required: get_option('u2f'),
1484 method: 'pkg-config',
1485 kwargs: static_kwargs)
1489 canokey = dependency('canokey-qemu', required: get_option('canokey'),
1490 method: 'pkg-config',
1491 kwargs: static_kwargs)
1493 usbredir = not_found
1494 if not get_option('usb_redir').auto() or have_system
1495 usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1496 version: '>=0.6', method: 'pkg-config',
1497 kwargs: static_kwargs)
1500 if not get_option('libusb').auto() or have_system
1501 libusb = dependency('libusb-1.0', required: get_option('libusb'),
1502 version: '>=1.0.13', method: 'pkg-config',
1503 kwargs: static_kwargs)
1507 if not get_option('libpmem').auto() or have_system
1508 libpmem = dependency('libpmem', required: get_option('libpmem'),
1509 method: 'pkg-config', kwargs: static_kwargs)
1511 libdaxctl = not_found
1512 if not get_option('libdaxctl').auto() or have_system
1513 libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1514 version: '>=57', method: 'pkg-config',
1515 kwargs: static_kwargs)
1519 tasn1 = dependency('libtasn1',
1520 method: 'pkg-config',
1521 kwargs: static_kwargs)
1523 keyutils = dependency('libkeyutils', required: false,
1524 method: 'pkg-config', kwargs: static_kwargs)
1526 has_gettid = cc.has_function('gettid')
1529 selinux = dependency('libselinux',
1530 required: get_option('selinux'),
1531 method: 'pkg-config', kwargs: static_kwargs)
1536 if get_option('malloc') == 'system'
1538 get_option('malloc_trim').allowed() and \
1539 cc.links('''#include <malloc.h>
1540 int main(void) { malloc_trim(0); return 0; }''')
1542 has_malloc_trim = false
1543 malloc = cc.find_library(get_option('malloc'), required: true)
1545 if not has_malloc_trim and get_option('malloc_trim').enabled()
1546 if get_option('malloc') == 'system'
1547 error('malloc_trim not available on this platform.')
1549 error('malloc_trim not available with non-libc memory allocator')
1553 # Check whether the glibc provides statx()
1555 gnu_source_prefix = '''
1560 statx_test = gnu_source_prefix + '''
1561 #include <sys/stat.h>
1563 struct statx statxbuf;
1564 statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1568 has_statx = cc.links(statx_test)
1570 # Check whether statx() provides mount ID information
1572 statx_mnt_id_test = gnu_source_prefix + '''
1573 #include <sys/stat.h>
1575 struct statx statxbuf;
1576 statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1577 return statxbuf.stx_mnt_id;
1580 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1582 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1583 .require(targetos == 'linux',
1584 error_message: 'vhost_user_blk_server requires linux') \
1585 .require(have_vhost_user,
1586 error_message: 'vhost_user_blk_server requires vhost-user support') \
1587 .disable_auto_if(not have_tools and not have_system) \
1590 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1591 error('Cannot enable fuse-lseek while fuse is disabled')
1594 fuse = dependency('fuse3', required: get_option('fuse'),
1595 version: '>=3.1', method: 'pkg-config',
1596 kwargs: static_kwargs)
1598 fuse_lseek = not_found
1599 if get_option('fuse_lseek').allowed()
1600 if fuse.version().version_compare('>=3.8')
1602 fuse_lseek = declare_dependency()
1603 elif get_option('fuse_lseek').enabled()
1605 error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1607 error('fuse-lseek requires libfuse, which was not found')
1612 have_libvduse = (targetos == 'linux')
1613 if get_option('libvduse').enabled()
1614 if targetos != 'linux'
1615 error('libvduse requires linux')
1617 elif get_option('libvduse').disabled()
1618 have_libvduse = false
1621 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1622 if get_option('vduse_blk_export').enabled()
1623 if targetos != 'linux'
1624 error('vduse_blk_export requires linux')
1625 elif not have_libvduse
1626 error('vduse_blk_export requires libvduse support')
1628 elif get_option('vduse_blk_export').disabled()
1629 have_vduse_blk_export = false
1633 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1634 if libbpf.found() and not cc.links('''
1635 #include <bpf/libbpf.h>
1638 bpf_object__destroy_skeleton(NULL);
1640 }''', dependencies: libbpf)
1642 if get_option('bpf').enabled()
1643 error('libbpf skeleton test failed')
1645 warning('libbpf skeleton test failed, disabling')
1653 audio_drivers_selected = []
1655 audio_drivers_available = {
1656 'alsa': alsa.found(),
1657 'coreaudio': coreaudio.found(),
1658 'dsound': dsound.found(),
1659 'jack': jack.found(),
1661 'pa': pulse.found(),
1663 'sndio': sndio.found(),
1665 foreach k, v: audio_drivers_available
1666 config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1669 # Default to native drivers first, OSS second, SDL third
1670 audio_drivers_priority = \
1671 [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1672 (targetos == 'linux' ? [] : [ 'sdl' ])
1673 audio_drivers_default = []
1674 foreach k: audio_drivers_priority
1675 if audio_drivers_available[k]
1676 audio_drivers_default += k
1680 foreach k: get_option('audio_drv_list')
1682 audio_drivers_selected += audio_drivers_default
1683 elif not audio_drivers_available[k]
1684 error('Audio driver "@0@" not available.'.format(k))
1686 audio_drivers_selected += k
1690 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1691 '"' + '", "'.join(audio_drivers_selected) + '", ')
1693 if get_option('cfi')
1695 # Check for dependency on LTO
1696 if not get_option('b_lto')
1697 error('Selected Control-Flow Integrity but LTO is disabled')
1699 if config_host.has_key('CONFIG_MODULES')
1700 error('Selected Control-Flow Integrity is not compatible with modules')
1702 # Check for cfi flags. CFI requires LTO so we can't use
1703 # get_supported_arguments, but need a more complex "compiles" which allows
1705 if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1706 args: ['-flto', '-fsanitize=cfi-icall'] )
1707 cfi_flags += '-fsanitize=cfi-icall'
1709 error('-fsanitize=cfi-icall is not supported by the compiler')
1711 if cc.compiles('int main () { return 0; }',
1712 name: '-fsanitize-cfi-icall-generalize-pointers',
1713 args: ['-flto', '-fsanitize=cfi-icall',
1714 '-fsanitize-cfi-icall-generalize-pointers'] )
1715 cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1717 error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1719 if get_option('cfi_debug')
1720 if cc.compiles('int main () { return 0; }',
1721 name: '-fno-sanitize-trap=cfi-icall',
1722 args: ['-flto', '-fsanitize=cfi-icall',
1723 '-fno-sanitize-trap=cfi-icall'] )
1724 cfi_flags += '-fno-sanitize-trap=cfi-icall'
1726 error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1729 add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1730 add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1733 have_host_block_device = (targetos != 'darwin' or
1734 cc.has_header('IOKit/storage/IOMedia.h'))
1736 dbus_display = get_option('dbus_display') \
1737 .require(gio.version().version_compare('>=2.64'),
1738 error_message: '-display dbus requires glib>=2.64') \
1739 .require(gdbus_codegen.found(),
1740 error_message: gdbus_codegen_error.format('-display dbus')) \
1741 .require(opengl.found() and gbm.found(),
1742 error_message: '-display dbus requires epoxy/egl and gbm') \
1745 have_virtfs = get_option('virtfs') \
1746 .require(targetos == 'linux' or targetos == 'darwin',
1747 error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1748 .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1749 error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1750 .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1751 error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1752 .disable_auto_if(not have_tools and not have_system) \
1755 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1757 if get_option('block_drv_ro_whitelist') == ''
1758 config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1760 config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1761 '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1763 if get_option('block_drv_rw_whitelist') == ''
1764 config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1766 config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1767 '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1770 foreach k : get_option('trace_backends')
1771 config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1773 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1774 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1776 config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1778 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1779 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1780 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1781 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1782 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1784 qemu_firmwarepath = ''
1785 foreach k : get_option('qemu_firmwarepath')
1786 qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1788 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1790 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1791 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1792 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1793 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1794 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1795 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1797 if config_host.has_key('CONFIG_MODULES')
1798 config_host_data.set('CONFIG_STAMP', run_command(
1799 meson.current_source_dir() / 'scripts/qemu-stamp.py',
1800 meson.project_version(), get_option('pkgversion'), '--',
1801 meson.current_source_dir() / 'configure',
1802 capture: true, check: true).stdout().strip())
1805 have_slirp_smbd = get_option('slirp_smbd') \
1806 .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1809 smbd_path = get_option('smbd')
1811 smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1813 config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1816 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1818 if get_option('module_upgrades') and not enable_modules
1819 error('Cannot enable module-upgrades as modules are not enabled')
1821 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1823 config_host_data.set('CONFIG_ATTR', libattr.found())
1824 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1825 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1826 config_host_data.set('CONFIG_COCOA', cocoa.found())
1827 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1828 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1829 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1830 config_host_data.set('CONFIG_LZO', lzo.found())
1831 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1832 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1833 config_host_data.set('CONFIG_BLKIO', blkio.found())
1834 config_host_data.set('CONFIG_CURL', curl.found())
1835 config_host_data.set('CONFIG_CURSES', curses.found())
1836 config_host_data.set('CONFIG_GBM', gbm.found())
1837 config_host_data.set('CONFIG_GIO', gio.found())
1838 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1839 if glusterfs.found()
1840 config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1841 config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1842 config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1843 config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1844 config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1845 config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1847 config_host_data.set('CONFIG_GTK', gtk.found())
1848 config_host_data.set('CONFIG_VTE', vte.found())
1849 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1850 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1851 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1852 config_host_data.set('CONFIG_EBPF', libbpf.found())
1853 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1854 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1855 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1856 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1857 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1858 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1859 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1860 config_host_data.set('CONFIG_NUMA', numa.found())
1862 config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1863 cc.has_function('numa_has_preferred_many',
1864 dependencies: numa))
1866 config_host_data.set('CONFIG_OPENGL', opengl.found())
1867 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1868 config_host_data.set('CONFIG_RBD', rbd.found())
1869 config_host_data.set('CONFIG_RDMA', rdma.found())
1870 config_host_data.set('CONFIG_SDL', sdl.found())
1871 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1872 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1874 config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1876 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1877 config_host_data.set('CONFIG_TPM', have_tpm)
1878 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1879 config_host_data.set('CONFIG_VDE', vde.found())
1880 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1881 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1882 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1883 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1884 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1885 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1886 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1887 config_host_data.set('CONFIG_VMNET', vmnet.found())
1888 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1889 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1890 config_host_data.set('CONFIG_PNG', png.found())
1891 config_host_data.set('CONFIG_VNC', vnc.found())
1892 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1893 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1894 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1895 config_host_data.set('CONFIG_VTE', vte.found())
1896 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1897 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1898 config_host_data.set('CONFIG_GETTID', has_gettid)
1899 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1900 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1901 config_host_data.set('CONFIG_TASN1', tasn1.found())
1902 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1903 config_host_data.set('CONFIG_NETTLE', nettle.found())
1904 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1905 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1906 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1907 config_host_data.set('CONFIG_STATX', has_statx)
1908 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1909 config_host_data.set('CONFIG_ZSTD', zstd.found())
1910 config_host_data.set('CONFIG_FUSE', fuse.found())
1911 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1912 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1913 if spice_protocol.found()
1914 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1915 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1916 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1918 config_host_data.set('CONFIG_SPICE', spice.found())
1919 config_host_data.set('CONFIG_X11', x11.found())
1920 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1921 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1922 config_host_data.set('CONFIG_SELINUX', selinux.found())
1923 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1925 # protect from xen.version() having less than three components
1926 xen_version = xen.version().split('.') + ['0', '0']
1927 xen_ctrl_version = xen_version[0] + \
1928 ('0' + xen_version[1]).substring(-2) + \
1929 ('0' + xen_version[2]).substring(-2)
1930 config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1932 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1933 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1934 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1935 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1937 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1938 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1940 have_coroutine_pool = get_option('coroutine_pool')
1941 if get_option('debug_stack_usage') and have_coroutine_pool
1942 message('Disabling coroutine pool to measure stack usage')
1943 have_coroutine_pool = false
1945 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1946 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1947 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1948 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1949 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1950 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1951 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1954 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1955 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1956 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1957 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1958 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1959 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1960 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1961 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1962 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1963 if targetos == 'windows'
1964 config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1968 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1969 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1970 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1971 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1972 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1973 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1974 # Note that we need to specify prefix: here to avoid incorrectly
1975 # thinking that Windows has posix_memalign()
1976 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1977 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1978 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1979 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1980 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1981 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1982 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1983 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1984 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1985 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1986 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1987 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1988 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1989 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1990 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1991 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1992 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1994 config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1995 cc.has_function('rbd_namespace_exists',
1997 prefix: '#include <rbd/librbd.h>'))
2000 config_host_data.set('HAVE_IBV_ADVISE_MR',
2001 cc.has_function('ibv_advise_mr',
2003 prefix: '#include <infiniband/verbs.h>'))
2007 config_host_data.set('CONFIG_BYTESWAP_H',
2008 cc.has_header_symbol('byteswap.h', 'bswap_32'))
2009 config_host_data.set('CONFIG_EPOLL_CREATE1',
2010 cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2011 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2012 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2013 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2014 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2015 cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2016 config_host_data.set('CONFIG_FIEMAP',
2017 cc.has_header('linux/fiemap.h') and
2018 cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2019 config_host_data.set('CONFIG_GETRANDOM',
2020 cc.has_function('getrandom') and
2021 cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2022 config_host_data.set('CONFIG_INOTIFY',
2023 cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2024 config_host_data.set('CONFIG_INOTIFY1',
2025 cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2026 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2027 cc.has_header_symbol('machine/bswap.h', 'bswap32',
2028 prefix: '''#include <sys/endian.h>
2029 #include <sys/types.h>'''))
2030 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2031 cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2032 config_host_data.set('CONFIG_RTNETLINK',
2033 cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2034 config_host_data.set('CONFIG_SYSMACROS',
2035 cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2036 config_host_data.set('HAVE_OPTRESET',
2037 cc.has_header_symbol('getopt.h', 'optreset'))
2038 config_host_data.set('HAVE_IPPROTO_MPTCP',
2039 cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2040 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2041 cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2044 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2045 cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2046 prefix: '#include <signal.h>'))
2047 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2048 cc.has_member('struct stat', 'st_atim',
2049 prefix: '#include <sys/stat.h>'))
2052 config_host_data.set('CONFIG_IOVEC',
2053 cc.has_type('struct iovec',
2054 prefix: '#include <sys/uio.h>'))
2055 config_host_data.set('HAVE_UTMPX',
2056 cc.has_type('struct utmpx',
2057 prefix: '#include <utmpx.h>'))
2059 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2060 #include <sys/eventfd.h>
2061 int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2062 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2065 #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2066 return fdatasync(0);
2068 #error Not supported
2072 has_madvise = cc.links(gnu_source_prefix + '''
2073 #include <sys/types.h>
2074 #include <sys/mman.h>
2076 int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2077 missing_madvise_proto = false
2079 # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2080 # but forget to prototype it. In this case, has_madvise will be true (the
2081 # test program links despite a compile warning). To detect the
2082 # missing-prototype case, we try again with a definitely-bogus prototype.
2083 # This will only compile if the system headers don't provide the prototype;
2084 # otherwise the conflicting prototypes will cause a compiler error.
2085 missing_madvise_proto = cc.links(gnu_source_prefix + '''
2086 #include <sys/types.h>
2087 #include <sys/mman.h>
2089 extern int madvise(int);
2090 int main(void) { return madvise(0); }''')
2092 config_host_data.set('CONFIG_MADVISE', has_madvise)
2093 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2095 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2096 #include <sys/mman.h>
2097 int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2098 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2100 #if !defined(AT_EMPTY_PATH)
2101 # error missing definition
2103 int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2105 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2106 #include <sys/mman.h>
2108 int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2110 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2111 #include <pthread.h>
2113 static void *f(void *p) { return NULL; }
2117 pthread_create(&thread, 0, f, 0);
2118 pthread_setname_np(thread, "QEMU");
2120 }''', dependencies: threads))
2121 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2122 #include <pthread.h>
2124 static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2128 pthread_create(&thread, 0, f, 0);
2130 }''', dependencies: threads))
2131 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2132 #include <pthread.h>
2137 pthread_condattr_t attr
2138 pthread_condattr_init(&attr);
2139 pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2141 }''', dependencies: threads))
2142 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2143 #include <pthread.h>
2145 static void *f(void *p) { return NULL; }
2148 int setsize = CPU_ALLOC_SIZE(64);
2151 pthread_create(&thread, 0, f, 0);
2152 cpuset = CPU_ALLOC(64);
2153 CPU_ZERO_S(setsize, cpuset);
2154 pthread_setaffinity_np(thread, setsize, cpuset);
2155 pthread_getaffinity_np(thread, setsize, cpuset);
2158 }''', dependencies: threads))
2159 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2160 #include <sys/signalfd.h>
2162 int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2163 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2171 len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2172 splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2176 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2177 #include <sys/mman.h>
2179 return mlockall(MCL_FUTURE);
2183 if get_option('l2tpv3').allowed() and have_system
2184 have_l2tpv3 = cc.has_type('struct mmsghdr',
2185 prefix: gnu_source_prefix + '''
2186 #include <sys/socket.h>
2187 #include <linux/ip.h>''')
2189 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2192 if get_option('netmap').allowed() and have_system
2193 have_netmap = cc.compiles('''
2194 #include <inttypes.h>
2196 #include <net/netmap.h>
2197 #include <net/netmap_user.h>
2198 #if (NETMAP_API < 11) || (NETMAP_API > 15)
2201 int main(void) { return 0; }''')
2202 if not have_netmap and get_option('netmap').enabled()
2203 error('Netmap headers not available')
2206 config_host_data.set('CONFIG_NETMAP', have_netmap)
2208 # Work around a system header bug with some kernel/XFS header
2209 # versions where they both try to define 'struct fsxattr':
2210 # xfs headers will not try to redefine structs from linux headers
2211 # if this macro is set.
2212 config_host_data.set('HAVE_FSXATTR', cc.links('''
2213 #include <linux/fs.h>
2219 # Some versions of Mac OS X incorrectly define SIZE_MAX
2220 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2224 return printf("%zu", SIZE_MAX);
2225 }''', args: ['-Werror']))
2232 y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2233 __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2234 __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2235 __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2236 __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2240 # See if 64-bit atomic operations are supported.
2241 # Note that without __atomic builtins, we can only
2242 # assume atomic loads/stores max at pointer size.
2243 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2245 has_int128 = cc.links('''
2255 config_host_data.set('CONFIG_INT128', has_int128)
2258 # "do we have 128-bit atomics which are handled inline and specifically not
2259 # via libatomic". The reason we can't use libatomic is documented in the
2260 # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2261 has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2263 config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2265 if not has_atomic128
2266 has_cmpxchg128 = cc.links('''
2269 unsigned __int128 x = 0, y = 0;
2270 __sync_val_compare_and_swap_16(&x, y, x);
2275 config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2279 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2280 #include <sys/auxv.h>
2282 return getauxval(AT_HWCAP) == 0;
2285 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2286 #include <linux/usbdevice_fs.h>
2288 #ifndef USBDEVFS_GET_CAPABILITIES
2289 #error "USBDEVFS_GET_CAPABILITIES undefined"
2292 #ifndef USBDEVFS_DISCONNECT_CLAIM
2293 #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2296 int main(void) { return 0; }'''))
2298 have_keyring = get_option('keyring') \
2299 .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2300 .require(cc.compiles('''
2302 #include <asm/unistd.h>
2303 #include <linux/keyctl.h>
2304 #include <sys/syscall.h>
2307 return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2308 }'''), error_message: 'keyctl syscall not available on this system').allowed()
2309 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2311 have_cpuid_h = cc.links('''
2314 unsigned a, b, c, d;
2315 unsigned max = __get_cpuid_max(0, 0);
2318 __cpuid(1, a, b, c, d);
2322 __cpuid_count(7, 0, a, b, c, d);
2327 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2329 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2330 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2331 .require(cc.links('''
2332 #pragma GCC push_options
2333 #pragma GCC target("avx2")
2335 #include <immintrin.h>
2336 static int bar(void *a) {
2337 __m256i x = *(__m256i *)a;
2338 return _mm256_testz_si256(x, x);
2340 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2341 '''), error_message: 'AVX2 not available').allowed())
2343 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2344 .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2345 .require(cc.links('''
2346 #pragma GCC push_options
2347 #pragma GCC target("avx512f")
2349 #include <immintrin.h>
2350 static int bar(void *a) {
2351 __m512i x = *(__m512i *)a;
2352 return _mm512_test_epi64_mask(x, x);
2354 int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2355 '''), error_message: 'AVX512F not available').allowed())
2357 have_pvrdma = get_option('pvrdma') \
2358 .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2359 .require(cc.compiles(gnu_source_prefix + '''
2360 #include <sys/mman.h>
2365 addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2368 }'''), error_message: 'PVRDMA requires mremap').allowed()
2371 config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2372 #include <infiniband/verbs.h>
2376 struct ibv_pd *pd = NULL;
2382 mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2388 if get_option('membarrier').disabled()
2389 have_membarrier = false
2390 elif targetos == 'windows'
2391 have_membarrier = true
2392 elif targetos == 'linux'
2393 have_membarrier = cc.compiles('''
2394 #include <linux/membarrier.h>
2395 #include <sys/syscall.h>
2399 syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2400 syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2404 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2405 .require(have_membarrier, error_message: 'membarrier system call not available') \
2408 have_afalg = get_option('crypto_afalg') \
2409 .require(cc.compiles(gnu_source_prefix + '''
2411 #include <sys/types.h>
2412 #include <sys/socket.h>
2413 #include <linux/if_alg.h>
2416 sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2419 '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2420 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2422 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2423 'linux/vm_sockets.h', 'AF_VSOCK',
2424 prefix: '#include <sys/socket.h>',
2428 have_vss_sdk = false # old xp/2003 SDK
2429 if targetos == 'windows' and link_language == 'cpp'
2430 have_vss = cxx.compiles('''
2431 #define __MIDL_user_allocate_free_DEFINED__
2433 int main(void) { return VSS_CTX_BACKUP; }''')
2434 have_vss_sdk = cxx.has_header('vscoordint.h')
2436 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2438 foreach k, v: config_host
2439 if k.startswith('CONFIG_')
2440 config_host_data.set(k, v == 'y' ? 1 : v)
2444 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2445 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2446 if targetos == 'windows'
2447 config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2453 }''', name: '_lock_file and _unlock_file'))
2456 ########################
2457 # Target configuration #
2458 ########################
2460 minikconf = find_program('scripts/minikconf.py')
2462 config_all_devices = {}
2463 config_all_disas = {}
2464 config_devices_mak_list = []
2465 config_devices_h = {}
2466 config_target_h = {}
2467 config_target_mak = {}
2470 'alpha' : ['CONFIG_ALPHA_DIS'],
2471 'avr' : ['CONFIG_AVR_DIS'],
2472 'cris' : ['CONFIG_CRIS_DIS'],
2473 'hexagon' : ['CONFIG_HEXAGON_DIS'],
2474 'hppa' : ['CONFIG_HPPA_DIS'],
2475 'i386' : ['CONFIG_I386_DIS'],
2476 'x86_64' : ['CONFIG_I386_DIS'],
2477 'm68k' : ['CONFIG_M68K_DIS'],
2478 'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2479 'mips' : ['CONFIG_MIPS_DIS'],
2480 'nios2' : ['CONFIG_NIOS2_DIS'],
2481 'or1k' : ['CONFIG_OPENRISC_DIS'],
2482 'ppc' : ['CONFIG_PPC_DIS'],
2483 'riscv' : ['CONFIG_RISCV_DIS'],
2484 'rx' : ['CONFIG_RX_DIS'],
2485 's390' : ['CONFIG_S390_DIS'],
2486 'sh4' : ['CONFIG_SH4_DIS'],
2487 'sparc' : ['CONFIG_SPARC_DIS'],
2488 'xtensa' : ['CONFIG_XTENSA_DIS'],
2489 'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2491 if link_language == 'cpp'
2493 'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2497 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2499 (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2500 (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2501 (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2502 (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2503 (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2504 (x11.found() ? ['CONFIG_X11=y'] : []) + \
2505 (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2506 (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2507 (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2508 (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2509 ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2510 (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2511 (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2512 (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2514 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2516 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2517 actual_target_dirs = []
2519 foreach target : target_dirs
2520 config_target = { 'TARGET_NAME': target.split('-')[0] }
2521 if target.endswith('linux-user')
2522 if targetos != 'linux'
2526 error('Target @0@ is only available on a Linux host'.format(target))
2528 config_target += { 'CONFIG_LINUX_USER': 'y' }
2529 elif target.endswith('bsd-user')
2530 if 'CONFIG_BSD' not in config_host
2534 error('Target @0@ is only available on a BSD host'.format(target))
2536 config_target += { 'CONFIG_BSD_USER': 'y' }
2537 elif target.endswith('softmmu')
2538 config_target += { 'CONFIG_SOFTMMU': 'y' }
2540 if target.endswith('-user')
2542 'CONFIG_USER_ONLY': 'y',
2543 'CONFIG_QEMU_INTERP_PREFIX':
2544 get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2549 foreach sym: accelerators
2550 if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2551 config_target += { sym: 'y' }
2552 config_all += { sym: 'y' }
2553 if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2554 config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2556 if target in modular_tcg
2557 config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2559 config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2561 accel_kconfig += [ sym + '=y' ]
2564 if accel_kconfig.length() == 0
2568 error('No accelerator available for target @0@'.format(target))
2571 actual_target_dirs += target
2572 config_target += keyval.load('configs/targets' / target + '.mak')
2573 config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2575 if 'TARGET_NEED_FDT' in config_target
2576 fdt_required += target
2580 if 'TARGET_BASE_ARCH' not in config_target
2581 config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2583 if 'TARGET_ABI_DIR' not in config_target
2584 config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2586 if 'TARGET_BIG_ENDIAN' not in config_target
2587 config_target += {'TARGET_BIG_ENDIAN': 'n'}
2590 foreach k, v: disassemblers
2591 if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2593 config_target += { sym: 'y' }
2594 config_all_disas += { sym: 'y' }
2599 config_target_data = configuration_data()
2600 foreach k, v: config_target
2601 if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2603 elif ignored.contains(k)
2605 elif k == 'TARGET_BASE_ARCH'
2606 # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2607 # not used to select files from sourcesets.
2608 config_target_data.set('TARGET_' + v.to_upper(), 1)
2609 elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2610 config_target_data.set_quoted(k, v)
2612 config_target_data.set(k, 1)
2614 config_target_data.set(k, 0)
2616 config_target_data.set(k, v)
2619 config_target_data.set('QEMU_ARCH',
2620 'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2621 config_target_h += {target: configure_file(output: target + '-config-target.h',
2622 configuration: config_target_data)}
2624 if target.endswith('-softmmu')
2625 config_input = meson.get_external_property(target, 'default')
2626 config_devices_mak = target + '-config-devices.mak'
2627 config_devices_mak = configure_file(
2628 input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2629 output: config_devices_mak,
2630 depfile: config_devices_mak + '.d',
2632 command: [minikconf,
2633 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2634 config_devices_mak, '@DEPFILE@', '@INPUT@',
2635 host_kconfig, accel_kconfig,
2636 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2638 config_devices_data = configuration_data()
2639 config_devices = keyval.load(config_devices_mak)
2640 foreach k, v: config_devices
2641 config_devices_data.set(k, 1)
2643 config_devices_mak_list += config_devices_mak
2644 config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2645 configuration: config_devices_data)}
2646 config_target += config_devices
2647 config_all_devices += config_devices
2649 config_target_mak += {target: config_target}
2651 target_dirs = actual_target_dirs
2653 # This configuration is used to build files that are shared by
2654 # multiple binaries, and then extracted out of the "common"
2655 # static_library target.
2657 # We do not use all_sources()/all_dependencies(), because it would
2658 # build literally all source files, including devices only used by
2659 # targets that are not built for this compilation. The CONFIG_ALL
2660 # pseudo symbol replaces it.
2662 config_all += config_all_devices
2663 config_all += config_host
2664 config_all += config_all_disas
2666 'CONFIG_XEN': xen.found(),
2667 'CONFIG_SOFTMMU': have_system,
2668 'CONFIG_USER_ONLY': have_user,
2672 target_configs_h = []
2673 foreach target: target_dirs
2674 target_configs_h += config_target_h[target]
2675 target_configs_h += config_devices_h.get(target, [])
2677 genh += custom_target('config-poison.h',
2678 input: [target_configs_h],
2679 output: 'config-poison.h',
2681 command: [find_program('scripts/make-config-poison.sh'),
2688 capstone = not_found
2689 if not get_option('capstone').auto() or have_system or have_user
2690 capstone = dependency('capstone', version: '>=3.0.5',
2691 kwargs: static_kwargs, method: 'pkg-config',
2692 required: get_option('capstone'))
2694 # Some versions of capstone have broken pkg-config file
2695 # that reports a wrong -I path, causing the #include to
2696 # fail later. If the system has such a broken version
2698 if capstone.found() and not cc.compiles('#include <capstone.h>',
2699 dependencies: [capstone])
2700 capstone = not_found
2701 if get_option('capstone').enabled()
2702 error('capstone requested, but it does not appear to work')
2707 libvfio_user_dep = not_found
2708 if have_system and vfio_user_server_allowed
2709 have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2711 if not have_internal
2712 error('libvfio-user source not found - please pull git submodule')
2715 libvfio_user_proj = subproject('libvfio-user')
2717 libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2719 libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2724 fdt_opt = get_option('fdt')
2725 if fdt_opt in ['enabled', 'auto', 'system']
2726 have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2727 fdt = cc.find_library('fdt', kwargs: static_kwargs,
2728 required: fdt_opt == 'system' or
2729 fdt_opt == 'enabled' and not have_internal)
2730 if fdt.found() and cc.links('''
2732 #include <libfdt_env.h>
2733 int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2736 elif fdt_opt == 'system'
2737 error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2739 fdt_opt = 'internal'
2741 fdt_opt = 'disabled'
2745 if fdt_opt == 'internal'
2748 'dtc/libfdt/fdt_ro.c',
2749 'dtc/libfdt/fdt_wip.c',
2750 'dtc/libfdt/fdt_sw.c',
2751 'dtc/libfdt/fdt_rw.c',
2752 'dtc/libfdt/fdt_strerror.c',
2753 'dtc/libfdt/fdt_empty_tree.c',
2754 'dtc/libfdt/fdt_addresses.c',
2755 'dtc/libfdt/fdt_overlay.c',
2756 'dtc/libfdt/fdt_check.c',
2759 fdt_inc = include_directories('dtc/libfdt')
2760 libfdt = static_library('fdt',
2761 build_by_default: false,
2763 include_directories: fdt_inc)
2764 fdt = declare_dependency(link_with: libfdt,
2765 include_directories: fdt_inc)
2768 fdt_opt = 'disabled'
2770 if not fdt.found() and fdt_required.length() > 0
2771 error('fdt not available but required by targets ' + ', '.join(fdt_required))
2774 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2775 config_host_data.set('CONFIG_FDT', fdt.found())
2776 config_host_data.set('CONFIG_SLIRP', slirp.found())
2778 #####################
2779 # Generated sources #
2780 #####################
2782 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2784 hxtool = find_program('scripts/hxtool')
2785 shaderinclude = find_program('scripts/shaderinclude.pl')
2786 qapi_gen = find_program('scripts/qapi-gen.py')
2787 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2788 meson.current_source_dir() / 'scripts/qapi/commands.py',
2789 meson.current_source_dir() / 'scripts/qapi/common.py',
2790 meson.current_source_dir() / 'scripts/qapi/error.py',
2791 meson.current_source_dir() / 'scripts/qapi/events.py',
2792 meson.current_source_dir() / 'scripts/qapi/expr.py',
2793 meson.current_source_dir() / 'scripts/qapi/gen.py',
2794 meson.current_source_dir() / 'scripts/qapi/introspect.py',
2795 meson.current_source_dir() / 'scripts/qapi/parser.py',
2796 meson.current_source_dir() / 'scripts/qapi/schema.py',
2797 meson.current_source_dir() / 'scripts/qapi/source.py',
2798 meson.current_source_dir() / 'scripts/qapi/types.py',
2799 meson.current_source_dir() / 'scripts/qapi/visit.py',
2800 meson.current_source_dir() / 'scripts/qapi/common.py',
2801 meson.current_source_dir() / 'scripts/qapi-gen.py'
2805 python, files('scripts/tracetool.py'),
2806 '--backend=' + ','.join(get_option('trace_backends'))
2808 tracetool_depends = files(
2809 'scripts/tracetool/backend/log.py',
2810 'scripts/tracetool/backend/__init__.py',
2811 'scripts/tracetool/backend/dtrace.py',
2812 'scripts/tracetool/backend/ftrace.py',
2813 'scripts/tracetool/backend/simple.py',
2814 'scripts/tracetool/backend/syslog.py',
2815 'scripts/tracetool/backend/ust.py',
2816 'scripts/tracetool/format/ust_events_c.py',
2817 'scripts/tracetool/format/ust_events_h.py',
2818 'scripts/tracetool/format/__init__.py',
2819 'scripts/tracetool/format/d.py',
2820 'scripts/tracetool/format/simpletrace_stap.py',
2821 'scripts/tracetool/format/c.py',
2822 'scripts/tracetool/format/h.py',
2823 'scripts/tracetool/format/log_stap.py',
2824 'scripts/tracetool/format/stap.py',
2825 'scripts/tracetool/__init__.py',
2826 'scripts/tracetool/transform.py',
2827 'scripts/tracetool/vcpu.py'
2830 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2831 meson.current_source_dir(),
2832 get_option('pkgversion'), meson.project_version()]
2833 qemu_version = custom_target('qemu-version.h',
2834 output: 'qemu-version.h',
2835 command: qemu_version_cmd,
2837 build_by_default: true,
2838 build_always_stale: true)
2839 genh += qemu_version
2843 ['qemu-options.hx', 'qemu-options.def'],
2844 ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2848 ['hmp-commands.hx', 'hmp-commands.h'],
2849 ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2852 foreach d : hx_headers
2853 hxdep += custom_target(d[1],
2857 build_by_default: true, # to be removed when added to a target
2858 command: [hxtool, '-h', '@INPUT0@'])
2866 authz_ss = ss.source_set()
2867 blockdev_ss = ss.source_set()
2868 block_ss = ss.source_set()
2869 chardev_ss = ss.source_set()
2870 common_ss = ss.source_set()
2871 crypto_ss = ss.source_set()
2872 hwcore_ss = ss.source_set()
2873 io_ss = ss.source_set()
2874 qmp_ss = ss.source_set()
2875 qom_ss = ss.source_set()
2876 softmmu_ss = ss.source_set()
2877 specific_fuzz_ss = ss.source_set()
2878 specific_ss = ss.source_set()
2879 stub_ss = ss.source_set()
2880 trace_ss = ss.source_set()
2881 user_ss = ss.source_set()
2882 util_ss = ss.source_set()
2885 qtest_module_ss = ss.source_set()
2886 tcg_module_ss = ss.source_set()
2892 target_softmmu_arch = {}
2893 target_user_arch = {}
2899 # TODO: add each directory to the subdirs from its own meson.build, once
2901 trace_events_subdirs = [
2910 trace_events_subdirs += [ 'linux-user' ]
2913 trace_events_subdirs += [ 'bsd-user' ]
2916 trace_events_subdirs += [
2925 trace_events_subdirs += [
2939 'hw/block/dataplane',
2988 if have_system or have_user
2989 trace_events_subdirs += [
3007 vhost_user = not_found
3008 if targetos == 'linux' and have_vhost_user
3009 libvhost_user = subproject('libvhost-user')
3010 vhost_user = libvhost_user.get_variable('vhost_user_dep')
3013 libvduse = not_found
3015 libvduse_proj = subproject('libvduse')
3016 libvduse = libvduse_proj.get_variable('libvduse_dep')
3019 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3020 # that is filled in by qapi/.
3035 libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3036 modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3039 qom_ss = qom_ss.apply(config_host, strict: false)
3040 libqom = static_library('qom', qom_ss.sources() + genh,
3041 dependencies: [qom_ss.dependencies()],
3043 qom = declare_dependency(link_whole: libqom)
3045 event_loop_base = files('event-loop-base.c')
3046 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3047 build_by_default: true)
3048 event_loop_base = declare_dependency(link_whole: event_loop_base,
3049 dependencies: [qom])
3051 stub_ss = stub_ss.apply(config_all, strict: false)
3053 util_ss.add_all(trace_ss)
3054 util_ss = util_ss.apply(config_all, strict: false)
3055 libqemuutil = static_library('qemuutil',
3056 sources: util_ss.sources() + stub_ss.sources() + genh,
3057 dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3058 qemuutil = declare_dependency(link_with: libqemuutil,
3059 sources: genh + version_res,
3060 dependencies: [event_loop_base])
3062 if have_system or have_user
3063 decodetree = generator(find_program('scripts/decodetree.py'),
3064 output: 'decode-@BASENAME@.c.inc',
3065 arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3066 subdir('libdecnumber')
3083 if config_host_data.get('CONFIG_REPLICATION')
3084 block_ss.add(files('replication.c'))
3091 blockdev_ss.add(files(
3098 # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3099 # os-win32.c does not
3100 blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3101 softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3104 common_ss.add(files('cpus-common.c'))
3108 common_ss.add(capstone)
3109 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3111 # Work around a gcc bug/misfeature wherein constant propagation looks
3113 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3114 # to guess that a const variable is always zero. Without lto, this is
3115 # impossible, as the alias is restricted to page-vary-common.c. Indeed,
3116 # without lto, not even the alias is required -- we simply use different
3117 # declarations in different compilation units.
3118 pagevary = files('page-vary-common.c')
3119 if get_option('b_lto')
3120 pagevary_flags = ['-fno-lto']
3121 if get_option('cfi')
3122 pagevary_flags += '-fno-sanitize=cfi-icall'
3124 pagevary = static_library('page-vary-common', sources: pagevary + genh,
3125 c_args: pagevary_flags)
3126 pagevary = declare_dependency(link_with: pagevary)
3128 common_ss.add(pagevary)
3129 specific_ss.add(files('page-vary.c'))
3137 subdir('semihosting')
3144 common_user_inc = []
3146 subdir('common-user')
3148 subdir('linux-user')
3150 # needed for fuzzing binaries
3151 subdir('tests/qtest/libqos')
3152 subdir('tests/qtest/fuzz')
3155 tcg_real_module_ss = ss.source_set()
3156 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3157 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3158 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3159 'tcg': tcg_real_module_ss }}
3161 ########################
3162 # Library dependencies #
3163 ########################
3165 modinfo_collect = find_program('scripts/modinfo-collect.py')
3166 modinfo_generate = find_program('scripts/modinfo-generate.py')
3171 foreach d, list : modules
3172 foreach m, module_ss : list
3173 if enable_modules and targetos != 'windows'
3174 module_ss = module_ss.apply(config_all, strict: false)
3175 sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3176 dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3182 if module_ss.sources() != []
3183 # FIXME: Should use sl.extract_all_objects(recursive: true) as
3184 # input. Sources can be used multiple times but objects are
3185 # unique when it comes to lookup in compile_commands.json.
3186 # Depnds on a mesion version with
3187 # https://github.com/mesonbuild/meson/pull/8900
3188 modinfo_files += custom_target(d + '-' + m + '.modinfo',
3189 output: d + '-' + m + '.modinfo',
3190 input: module_ss.sources() + genh,
3192 command: [modinfo_collect, module_ss.sources()])
3196 block_ss.add_all(module_ss)
3198 softmmu_ss.add_all(module_ss)
3204 foreach d, list : target_modules
3205 foreach m, module_ss : list
3206 if enable_modules and targetos != 'windows'
3207 foreach target : target_dirs
3208 if target.endswith('-softmmu')
3209 config_target = config_target_mak[target]
3210 config_target += config_host
3211 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3212 c_args = ['-DNEED_CPU_H',
3213 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3214 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3215 target_module_ss = module_ss.apply(config_target, strict: false)
3216 if target_module_ss.sources() != []
3217 module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3218 sl = static_library(module_name,
3219 [genh, target_module_ss.sources()],
3220 dependencies: [modulecommon, target_module_ss.dependencies()],
3221 include_directories: target_inc,
3225 # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3226 modinfo_files += custom_target(module_name + '.modinfo',
3227 output: module_name + '.modinfo',
3228 input: target_module_ss.sources() + genh,
3230 command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3235 specific_ss.add_all(module_ss)
3241 foreach target : target_dirs
3242 if target.endswith('-softmmu')
3243 config_target = config_target_mak[target]
3244 config_devices_mak = target + '-config-devices.mak'
3245 modinfo_src = custom_target('modinfo-' + target + '.c',
3246 output: 'modinfo-' + target + '.c',
3247 input: modinfo_files,
3248 command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3251 modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3252 modinfo_dep = declare_dependency(link_with: modinfo_lib)
3254 arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3255 hw_arch[arch].add(modinfo_dep)
3260 nm = find_program('nm')
3261 undefsym = find_program('scripts/undefsym.py')
3262 block_syms = custom_target('block.syms', output: 'block.syms',
3263 input: [libqemuutil, block_mods],
3265 command: [undefsym, nm, '@INPUT@'])
3266 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3267 input: [libqemuutil, softmmu_mods],
3269 command: [undefsym, nm, '@INPUT@'])
3271 authz_ss = authz_ss.apply(config_host, strict: false)
3272 libauthz = static_library('authz', authz_ss.sources() + genh,
3273 dependencies: [authz_ss.dependencies()],
3275 build_by_default: false)
3277 authz = declare_dependency(link_whole: libauthz,
3280 crypto_ss = crypto_ss.apply(config_host, strict: false)
3281 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3282 dependencies: [crypto_ss.dependencies()],
3284 build_by_default: false)
3286 crypto = declare_dependency(link_whole: libcrypto,
3287 dependencies: [authz, qom])
3289 io_ss = io_ss.apply(config_host, strict: false)
3290 libio = static_library('io', io_ss.sources() + genh,
3291 dependencies: [io_ss.dependencies()],
3292 link_with: libqemuutil,
3294 build_by_default: false)
3296 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3298 libmigration = static_library('migration', sources: migration_files + genh,
3300 build_by_default: false)
3301 migration = declare_dependency(link_with: libmigration,
3302 dependencies: [zlib, qom, io])
3303 softmmu_ss.add(migration)
3305 block_ss = block_ss.apply(config_host, strict: false)
3306 libblock = static_library('block', block_ss.sources() + genh,
3307 dependencies: block_ss.dependencies(),
3308 link_depends: block_syms,
3310 build_by_default: false)
3312 block = declare_dependency(link_whole: [libblock],
3313 link_args: '@block.syms',
3314 dependencies: [crypto, io])
3316 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3317 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3318 dependencies: blockdev_ss.dependencies(),
3320 build_by_default: false)
3322 blockdev = declare_dependency(link_whole: [libblockdev],
3323 dependencies: [block, event_loop_base])
3325 qmp_ss = qmp_ss.apply(config_host, strict: false)
3326 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3327 dependencies: qmp_ss.dependencies(),
3329 build_by_default: false)
3331 qmp = declare_dependency(link_whole: [libqmp])
3333 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3335 dependencies: chardev_ss.dependencies(),
3336 build_by_default: false)
3338 chardev = declare_dependency(link_whole: libchardev)
3340 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3341 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3343 build_by_default: false)
3344 hwcore = declare_dependency(link_whole: libhwcore)
3345 common_ss.add(hwcore)
3351 emulator_modules = []
3352 foreach m : block_mods + softmmu_mods
3353 emulator_modules += shared_module(m.name(),
3354 build_by_default: true,
3358 install_dir: qemu_moddir)
3360 if emulator_modules.length() > 0
3361 alias_target('modules', emulator_modules)
3364 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3365 common_ss.add(qom, qemuutil)
3367 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3368 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3370 common_all = common_ss.apply(config_all, strict: false)
3371 common_all = static_library('common',
3372 build_by_default: false,
3373 sources: common_all.sources() + genh,
3374 include_directories: common_user_inc,
3375 implicit_include_directories: false,
3376 dependencies: common_all.dependencies(),
3379 feature_to_c = find_program('scripts/feature_to_c.sh')
3381 if targetos == 'darwin'
3382 entitlement = find_program('scripts/entitlement.sh')
3386 foreach target : target_dirs
3387 config_target = config_target_mak[target]
3388 target_name = config_target['TARGET_NAME']
3389 target_base_arch = config_target['TARGET_BASE_ARCH']
3390 arch_srcs = [config_target_h[target]]
3392 c_args = ['-DNEED_CPU_H',
3393 '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3394 '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3395 link_args = emulator_link_args
3397 config_target += config_host
3398 target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3399 if targetos == 'linux'
3400 target_inc += include_directories('linux-headers', is_system: true)
3402 if target.endswith('-softmmu')
3403 target_type='system'
3404 t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3405 arch_srcs += t.sources()
3406 arch_deps += t.dependencies()
3408 hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3409 hw = hw_arch[hw_dir].apply(config_target, strict: false)
3410 arch_srcs += hw.sources()
3411 arch_deps += hw.dependencies()
3413 arch_srcs += config_devices_h[target]
3414 link_args += ['@block.syms', '@qemu.syms']
3416 abi = config_target['TARGET_ABI_DIR']
3418 target_inc += common_user_inc
3419 if target_base_arch in target_user_arch
3420 t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3421 arch_srcs += t.sources()
3422 arch_deps += t.dependencies()
3424 if 'CONFIG_LINUX_USER' in config_target
3425 base_dir = 'linux-user'
3427 if 'CONFIG_BSD_USER' in config_target
3428 base_dir = 'bsd-user'
3429 target_inc += include_directories('bsd-user/' / targetos)
3430 target_inc += include_directories('bsd-user/host/' / host_arch)
3431 dir = base_dir / abi
3432 arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3434 target_inc += include_directories(
3438 if 'CONFIG_LINUX_USER' in config_target
3439 dir = base_dir / abi
3440 arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3441 if config_target.has_key('TARGET_SYSTBL_ABI')
3443 syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3444 extra_args : config_target['TARGET_SYSTBL_ABI'])
3449 if 'TARGET_XML_FILES' in config_target
3450 gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3451 output: target + '-gdbstub-xml.c',
3452 input: files(config_target['TARGET_XML_FILES'].split()),
3453 command: [feature_to_c, '@INPUT@'],
3455 arch_srcs += gdbstub_xml
3458 t = target_arch[target_base_arch].apply(config_target, strict: false)
3459 arch_srcs += t.sources()
3460 arch_deps += t.dependencies()
3462 target_common = common_ss.apply(config_target, strict: false)
3463 objects = common_all.extract_objects(target_common.sources())
3464 deps = target_common.dependencies()
3466 target_specific = specific_ss.apply(config_target, strict: false)
3467 arch_srcs += target_specific.sources()
3468 arch_deps += target_specific.dependencies()
3470 lib = static_library('qemu-' + target,
3471 sources: arch_srcs + genh,
3472 dependencies: arch_deps,
3474 include_directories: target_inc,
3476 build_by_default: false,
3479 if target.endswith('-softmmu')
3481 'name': 'qemu-system-' + target_name,
3482 'win_subsystem': 'console',
3483 'sources': files('softmmu/main.c'),
3486 if targetos == 'windows' and (sdl.found() or gtk.found())
3488 'name': 'qemu-system-' + target_name + 'w',
3489 'win_subsystem': 'windows',
3490 'sources': files('softmmu/main.c'),
3494 if get_option('fuzzing')
3495 specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3497 'name': 'qemu-fuzz-' + target_name,
3498 'win_subsystem': 'console',
3499 'sources': specific_fuzz.sources(),
3500 'dependencies': specific_fuzz.dependencies(),
3505 'name': 'qemu-' + target_name,
3506 'win_subsystem': 'console',
3512 exe_name = exe['name']
3513 if targetos == 'darwin'
3514 exe_name += '-unsigned'
3517 emulator = executable(exe_name, exe['sources'],
3520 dependencies: arch_deps + deps + exe['dependencies'],
3521 objects: lib.extract_all_objects(recursive: true),
3522 link_language: link_language,
3523 link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3524 link_args: link_args,
3525 win_subsystem: exe['win_subsystem'])
3527 if targetos == 'darwin'
3528 icon = 'pc-bios/qemu.rsrc'
3529 build_input = [emulator, files(icon)]
3531 get_option('bindir') / exe_name,
3532 meson.current_source_dir() / icon
3534 if 'CONFIG_HVF' in config_target
3535 entitlements = 'accel/hvf/entitlements.plist'
3536 build_input += files(entitlements)
3537 install_input += meson.current_source_dir() / entitlements
3540 emulators += {exe['name'] : custom_target(exe['name'],
3542 output: exe['name'],
3543 command: [entitlement, '@OUTPUT@', '@INPUT@'])
3546 meson.add_install_script(entitlement, '--install',
3547 get_option('bindir') / exe['name'],
3550 emulators += {exe['name']: emulator}
3555 {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3556 {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3557 {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3558 {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3560 custom_target(exe['name'] + stp['ext'],
3561 input: trace_events_all,
3562 output: exe['name'] + stp['ext'],
3563 install: stp['install'],
3564 install_dir: get_option('datadir') / 'systemtap/tapset',
3566 tracetool, '--group=all', '--format=' + stp['fmt'],
3567 '--binary=' + stp['bin'],
3568 '--target-name=' + target_name,
3569 '--target-type=' + target_type,
3570 '--probe-prefix=qemu.' + target_type + '.' + target_name,
3571 '@INPUT@', '@OUTPUT@'
3573 depend_files: tracetool_depends)
3579 # Other build targets
3581 if 'CONFIG_PLUGIN' in config_host
3582 install_headers('include/qemu/qemu-plugin.h')
3587 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3588 # when we don't build tools or system
3589 if xkbcommon.found()
3590 # used for the update-keymaps target, so include rules even if !have_tools
3591 qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3592 dependencies: [qemuutil, xkbcommon], install: have_tools)
3596 qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3597 dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3598 qemu_io = executable('qemu-io', files('qemu-io.c'),
3599 dependencies: [block, qemuutil], install: true)
3600 qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3601 dependencies: [blockdev, qemuutil, gnutls, selinux],
3604 subdir('storage-daemon')
3605 subdir('contrib/rdmacm-mux')
3606 subdir('contrib/elf2dmp')
3608 executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3609 dependencies: qemuutil,
3613 subdir('contrib/vhost-user-blk')
3614 subdir('contrib/vhost-user-gpu')
3615 subdir('contrib/vhost-user-input')
3616 subdir('contrib/vhost-user-scsi')
3619 if targetos == 'linux'
3620 executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3621 dependencies: [qemuutil, libcap_ng],
3623 install_dir: get_option('libexecdir'))
3625 executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3626 dependencies: [authz, crypto, io, qom, qemuutil,
3627 libcap_ng, mpathpersist],
3632 subdir('contrib/ivshmem-client')
3633 subdir('contrib/ivshmem-server')
3646 if host_machine.system() == 'windows'
3648 find_program('scripts/nsis.py'),
3650 get_option('prefix'),
3651 meson.current_source_dir(),
3652 config_host['GLIB_BINDIR'],
3655 '-DDISPLAYVERSION=' + meson.project_version(),
3658 nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3661 nsis_cmd += '-DCONFIG_GTK=y'
3664 nsis = custom_target('nsis',
3665 output: 'qemu-setup-' + meson.project_version() + '.exe',
3666 input: files('qemu.nsi'),
3667 build_always_stale: true,
3668 command: nsis_cmd + ['@INPUT@'])
3669 alias_target('installer', nsis)
3672 #########################
3673 # Configuration summary #
3674 #########################
3678 summary_info += {'Install prefix': get_option('prefix')}
3679 summary_info += {'BIOS directory': qemu_datadir}
3680 pathsep = targetos == 'windows' ? ';' : ':'
3681 summary_info += {'firmware path': pathsep.join(get_option('qemu_firmwarepath'))}
3682 summary_info += {'binary directory': get_option('prefix') / get_option('bindir')}
3683 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3684 summary_info += {'module directory': qemu_moddir}
3685 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3686 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3687 summary_info += {'config directory': get_option('prefix') / get_option('sysconfdir')}
3688 if targetos != 'windows'
3689 summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3690 summary_info += {'Manual directory': get_option('prefix') / get_option('mandir')}
3692 summary_info += {'local state directory': 'queried at runtime'}
3694 summary_info += {'Doc directory': get_option('prefix') / get_option('docdir')}
3695 summary_info += {'Build directory': meson.current_build_dir()}
3696 summary_info += {'Source path': meson.current_source_dir()}
3697 summary_info += {'GIT submodules': config_host['GIT_SUBMODULES']}
3698 summary(summary_info, bool_yn: true, section: 'Directories')
3702 summary_info += {'git': config_host['GIT']}
3703 summary_info += {'make': config_host['MAKE']}
3704 summary_info += {'python': '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3705 summary_info += {'sphinx-build': sphinx_build}
3706 if config_host.has_key('HAVE_GDB_BIN')
3707 summary_info += {'gdb': config_host['HAVE_GDB_BIN']}
3709 summary_info += {'iasl': iasl}
3710 summary_info += {'genisoimage': config_host['GENISOIMAGE']}
3711 if targetos == 'windows' and have_ga
3712 summary_info += {'wixl': wixl}
3714 if slirp.found() and have_system
3715 summary_info += {'smbd': have_slirp_smbd ? smbd_path : false}
3717 summary(summary_info, bool_yn: true, section: 'Host binaries')
3719 # Configurable features
3721 summary_info += {'Documentation': build_docs}
3722 summary_info += {'system-mode emulation': have_system}
3723 summary_info += {'user-mode emulation': have_user}
3724 summary_info += {'block layer': have_block}
3725 summary_info += {'Install blobs': get_option('install_blobs')}
3726 summary_info += {'module support': config_host.has_key('CONFIG_MODULES')}
3727 if config_host.has_key('CONFIG_MODULES')
3728 summary_info += {'alternative module path': get_option('module_upgrades')}
3730 summary_info += {'fuzzing support': get_option('fuzzing')}
3732 summary_info += {'Audio drivers': ' '.join(audio_drivers_selected)}
3734 summary_info += {'Trace backends': ','.join(get_option('trace_backends'))}
3735 if 'simple' in get_option('trace_backends')
3736 summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3738 summary_info += {'D-Bus display': dbus_display}
3739 summary_info += {'QOM debugging': get_option('qom_cast_debug')}
3740 summary_info += {'vhost-kernel support': have_vhost_kernel}
3741 summary_info += {'vhost-net support': have_vhost_net}
3742 summary_info += {'vhost-user support': have_vhost_user}
3743 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3744 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3745 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3746 summary_info += {'build guest agent': have_ga}
3747 summary(summary_info, bool_yn: true, section: 'Configurable features')
3749 # Compilation information
3751 summary_info += {'host CPU': cpu}
3752 summary_info += {'host endianness': build_machine.endian()}
3753 summary_info += {'C compiler': ' '.join(meson.get_compiler('c').cmd_array())}
3754 summary_info += {'Host C compiler': ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3755 if link_language == 'cpp'
3756 summary_info += {'C++ compiler': ' '.join(meson.get_compiler('cpp').cmd_array())}
3758 summary_info += {'C++ compiler': false}
3760 if targetos == 'darwin'
3761 summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3763 summary_info += {'CFLAGS': ' '.join(get_option('c_args')
3764 + ['-O' + get_option('optimization')]
3765 + (get_option('debug') ? ['-g'] : []))}
3766 if link_language == 'cpp'
3767 summary_info += {'CXXFLAGS': ' '.join(get_option('cpp_args')
3768 + ['-O' + get_option('optimization')]
3769 + (get_option('debug') ? ['-g'] : []))}
3771 if targetos == 'darwin'
3772 summary_info += {'OBJCFLAGS': ' '.join(get_option('objc_args')
3773 + ['-O' + get_option('optimization')]
3774 + (get_option('debug') ? ['-g'] : []))}
3776 link_args = get_option(link_language + '_link_args')
3777 if link_args.length() > 0
3778 summary_info += {'LDFLAGS': ' '.join(link_args)}
3780 summary_info += {'QEMU_CFLAGS': ' '.join(qemu_cflags)}
3781 summary_info += {'QEMU_CXXFLAGS': ' '.join(qemu_cxxflags)}
3782 summary_info += {'QEMU_OBJCFLAGS': ' '.join(qemu_objcflags)}
3783 summary_info += {'QEMU_LDFLAGS': ' '.join(qemu_ldflags)}
3784 summary_info += {'profiler': get_option('profiler')}
3785 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3786 summary_info += {'PIE': get_option('b_pie')}
3787 summary_info += {'static build': config_host.has_key('CONFIG_STATIC')}
3788 summary_info += {'malloc trim support': has_malloc_trim}
3789 summary_info += {'membarrier': have_membarrier}
3790 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3791 summary_info += {'mutex debugging': get_option('debug_mutex')}
3792 summary_info += {'memory allocator': get_option('malloc')}
3793 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3794 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3795 summary_info += {'gprof enabled': get_option('gprof')}
3796 summary_info += {'gcov': get_option('b_coverage')}
3797 summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')}
3798 summary_info += {'CFI support': get_option('cfi')}
3799 if get_option('cfi')
3800 summary_info += {'CFI debug support': get_option('cfi_debug')}
3802 summary_info += {'strip binaries': get_option('strip')}
3803 summary_info += {'sparse': sparse}
3804 summary_info += {'mingw32 support': targetos == 'windows'}
3805 summary(summary_info, bool_yn: true, section: 'Compilation')
3807 # snarf the cross-compilation information for tests
3810 foreach target: target_dirs
3811 tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3812 if fs.exists(tcg_mak)
3813 config_cross_tcg = keyval.load(tcg_mak)
3814 if 'CC' in config_cross_tcg
3815 summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3821 summary(summary_info, bool_yn: true, section: 'Cross compilers')
3824 # Targets and accelerators
3827 summary_info += {'KVM support': config_all.has_key('CONFIG_KVM')}
3828 summary_info += {'HAX support': config_all.has_key('CONFIG_HAX')}
3829 summary_info += {'HVF support': config_all.has_key('CONFIG_HVF')}
3830 summary_info += {'WHPX support': config_all.has_key('CONFIG_WHPX')}
3831 summary_info += {'NVMM support': config_all.has_key('CONFIG_NVMM')}
3832 summary_info += {'Xen support': xen.found()}
3834 summary_info += {'xen ctrl version': xen.version()}
3837 summary_info += {'TCG support': config_all.has_key('CONFIG_TCG')}
3838 if config_all.has_key('CONFIG_TCG')
3839 if get_option('tcg_interpreter')
3840 summary_info += {'TCG backend': 'TCI (TCG with bytecode interpreter, slow)'}
3842 summary_info += {'TCG backend': 'native (@0@)'.format(cpu)}
3844 summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3845 summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3847 summary_info += {'target list': ' '.join(target_dirs)}
3849 summary_info += {'default devices': get_option('default_devices')}
3850 summary_info += {'out of process emulation': multiprocess_allowed}
3851 summary_info += {'vfio-user server': vfio_user_server_allowed}
3853 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3857 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3858 summary_info += {'coroutine pool': have_coroutine_pool}
3860 summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3861 summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3862 summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3863 summary_info += {'VirtFS support': have_virtfs}
3864 summary_info += {'build virtiofs daemon': have_virtiofsd}
3865 summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3866 summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3867 summary_info += {'bochs support': get_option('bochs').allowed()}
3868 summary_info += {'cloop support': get_option('cloop').allowed()}
3869 summary_info += {'dmg support': get_option('dmg').allowed()}
3870 summary_info += {'qcow v1 support': get_option('qcow1').allowed()}
3871 summary_info += {'vdi support': get_option('vdi').allowed()}
3872 summary_info += {'vvfat support': get_option('vvfat').allowed()}
3873 summary_info += {'qed support': get_option('qed').allowed()}
3874 summary_info += {'parallels support': get_option('parallels').allowed()}
3875 summary_info += {'FUSE exports': fuse}
3876 summary_info += {'VDUSE block exports': have_vduse_blk_export}
3878 summary(summary_info, bool_yn: true, section: 'Block layer support')
3882 summary_info += {'TLS priority': get_option('tls_priority')}
3883 summary_info += {'GNUTLS support': gnutls}
3885 summary_info += {' GNUTLS crypto': gnutls_crypto.found()}
3887 summary_info += {'libgcrypt': gcrypt}
3888 summary_info += {'nettle': nettle}
3890 summary_info += {' XTS': xts != 'private'}
3892 summary_info += {'AF_ALG support': have_afalg}
3893 summary_info += {'rng-none': get_option('rng_none')}
3894 summary_info += {'Linux keyring': have_keyring}
3895 summary(summary_info, bool_yn: true, section: 'Crypto')
3899 if targetos == 'darwin'
3900 summary_info += {'Cocoa support': cocoa}
3901 summary_info += {'vmnet.framework support': vmnet}
3903 summary_info += {'SDL support': sdl}
3904 summary_info += {'SDL image support': sdl_image}
3905 summary_info += {'GTK support': gtk}
3906 summary_info += {'pixman': pixman}
3907 summary_info += {'VTE support': vte}
3908 summary_info += {'slirp support': slirp}
3909 summary_info += {'libtasn1': tasn1}
3910 summary_info += {'PAM': pam}
3911 summary_info += {'iconv support': iconv}
3912 summary_info += {'curses support': curses}
3913 summary_info += {'virgl support': virgl}
3914 summary_info += {'blkio support': blkio}
3915 summary_info += {'curl support': curl}
3916 summary_info += {'Multipath support': mpathpersist}
3917 summary_info += {'PNG support': png}
3918 summary_info += {'VNC support': vnc}
3920 summary_info += {'VNC SASL support': sasl}
3921 summary_info += {'VNC JPEG support': jpeg}
3923 if targetos not in ['darwin', 'haiku', 'windows']
3924 summary_info += {'OSS support': oss}
3925 summary_info += {'sndio support': sndio}
3926 elif targetos == 'darwin'
3927 summary_info += {'CoreAudio support': coreaudio}
3928 elif targetos == 'windows'
3929 summary_info += {'DirectSound support': dsound}
3931 if targetos == 'linux'
3932 summary_info += {'ALSA support': alsa}
3933 summary_info += {'PulseAudio support': pulse}
3935 summary_info += {'JACK support': jack}
3936 summary_info += {'brlapi support': brlapi}
3937 summary_info += {'vde support': vde}
3938 summary_info += {'netmap support': have_netmap}
3939 summary_info += {'l2tpv3 support': have_l2tpv3}
3940 summary_info += {'Linux AIO support': libaio}
3941 summary_info += {'Linux io_uring support': linux_io_uring}
3942 summary_info += {'ATTR/XATTR support': libattr}
3943 summary_info += {'RDMA support': rdma}
3944 summary_info += {'PVRDMA support': have_pvrdma}
3945 summary_info += {'fdt support': fdt_opt == 'disabled' ? false : fdt_opt}
3946 summary_info += {'libcap-ng support': libcap_ng}
3947 summary_info += {'bpf support': libbpf}
3948 summary_info += {'spice protocol support': spice_protocol}
3949 if spice_protocol.found()
3950 summary_info += {' spice server support': spice}
3952 summary_info += {'rbd support': rbd}
3953 summary_info += {'smartcard support': cacard}
3954 summary_info += {'U2F support': u2f}
3955 summary_info += {'libusb': libusb}
3956 summary_info += {'usb net redir': usbredir}
3957 summary_info += {'OpenGL support (epoxy)': opengl}
3958 summary_info += {'GBM': gbm}
3959 summary_info += {'libiscsi support': libiscsi}
3960 summary_info += {'libnfs support': libnfs}
3961 if targetos == 'windows'
3963 summary_info += {'QGA VSS support': have_qga_vss}
3966 summary_info += {'seccomp support': seccomp}
3967 summary_info += {'GlusterFS support': glusterfs}
3968 summary_info += {'TPM support': have_tpm}
3969 summary_info += {'libssh support': libssh}
3970 summary_info += {'lzo support': lzo}
3971 summary_info += {'snappy support': snappy}
3972 summary_info += {'bzip2 support': libbzip2}
3973 summary_info += {'lzfse support': liblzfse}
3974 summary_info += {'zstd support': zstd}
3975 summary_info += {'NUMA host support': numa}
3976 summary_info += {'capstone': capstone}
3977 summary_info += {'libpmem support': libpmem}
3978 summary_info += {'libdaxctl support': libdaxctl}
3979 summary_info += {'libudev': libudev}
3980 # Dummy dependency, keep .found()
3981 summary_info += {'FUSE lseek': fuse_lseek.found()}
3982 summary_info += {'selinux': selinux}
3983 summary(summary_info, bool_yn: true, section: 'Dependencies')
3985 if not supported_cpus.contains(cpu)
3987 warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3989 message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3990 message('The QEMU project intends to remove support for this host CPU in')
3991 message('a future release if nobody volunteers to maintain it and to')
3992 message('provide a build host for our continuous integration setup.')
3993 message('configure has succeeded and you can continue to build, but')
3994 message('if you care about QEMU on this platform you should contact')
3995 message('us upstream at qemu-devel@nongnu.org.')
3998 if not supported_oses.contains(targetos)
4000 warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4002 message('Host OS ' + targetos + 'support is not currently maintained.')
4003 message('The QEMU project intends to remove support for this host OS in')
4004 message('a future release if nobody volunteers to maintain it and to')
4005 message('provide a build host for our continuous integration setup.')
4006 message('configure has succeeded and you can continue to build, but')
4007 message('if you care about QEMU on this platform you should contact')
4008 message('us upstream at qemu-devel@nongnu.org.')