meson.build

   1 project('qemu', ['c'], meson_version: '>=0.59.3',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
   4         version: files('VERSION'))
   5
   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'])
   9
  10 not_found = dependency('', required: false)
  11 keyval = import('keyval')
  12 ss = import('sourceset')
  13 fs = import('fs')
  14
  15 sh = find_program('sh')
  16 cc = meson.get_compiler('c')
  17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  18 enable_modules = 'CONFIG_MODULES' in config_host
  19 enable_static = 'CONFIG_STATIC' in config_host
  20
  21 # Allow both shared and static libraries unless --enable-static
  22 static_kwargs = enable_static ? {'static': true} : {}
  23
  24 # Temporary directory used for files created while
  25 # configure runs. Since it is in the build directory
  26 # we can safely blow away any previous version of it
  27 # (and we need not jump through hoops to try to delete
  28 # it when configure exits.)
  29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  30
  31 if get_option('qemu_suffix').startswith('/')
  32   error('qemu_suffix cannot start with a /')
  33 endif
  34
  35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  39
  40 qemu_desktopdir = get_option('datadir') / 'applications'
  41 qemu_icondir = get_option('datadir') / 'icons'
  42
  43 config_host_data = configuration_data()
  44 genh = []
  45 qapi_trace_events = []
  46
  47 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  48 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  49 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  50   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  51
  52 cpu = host_machine.cpu_family()
  53
  54 # Unify riscv* to a single family.
  55 if cpu in ['riscv32', 'riscv64']
  56   cpu = 'riscv'
  57 endif
  58
  59 targetos = host_machine.system()
  60
  61 target_dirs = config_host['TARGET_DIRS'].split()
  62 have_linux_user = false
  63 have_bsd_user = false
  64 have_system = false
  65 foreach target : target_dirs
  66   have_linux_user = have_linux_user or target.endswith('linux-user')
  67   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  68   have_system = have_system or target.endswith('-softmmu')
  69 endforeach
  70 have_user = have_linux_user or have_bsd_user
  71 have_tools = get_option('tools') \
  72   .disable_auto_if(not have_system) \
  73   .allowed()
  74 have_ga = get_option('guest_agent') \
  75   .disable_auto_if(not have_system and not have_tools) \
  76   .require(targetos in ['sunos', 'linux', 'windows'],
  77            error_message: 'unsupported OS for QEMU guest agent') \
  78   .allowed()
  79 have_block = have_system or have_tools
  80
  81 python = import('python').find_installation()
  82
  83 if cpu not in supported_cpus
  84   host_arch = 'unknown'
  85 elif cpu == 'x86'
  86   host_arch = 'i386'
  87 elif cpu == 'mips64'
  88   host_arch = 'mips'
  89 else
  90   host_arch = cpu
  91 endif
  92
  93 if cpu in ['x86', 'x86_64']
  94   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  95 elif cpu == 'aarch64'
  96   kvm_targets = ['aarch64-softmmu']
  97 elif cpu == 's390x'
  98   kvm_targets = ['s390x-softmmu']
  99 elif cpu in ['ppc', 'ppc64']
 100   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 101 elif cpu in ['mips', 'mips64']
 102   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 103 elif cpu in ['riscv']
 104   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 105 else
 106   kvm_targets = []
 107 endif
 108
 109 kvm_targets_c = '""'
 110 if get_option('kvm').allowed() and targetos == 'linux'
 111   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 112 endif
 113 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 114
 115 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 116
 117 if cpu in ['aarch64']
 118   accelerator_targets += {
 119     'CONFIG_HVF': ['aarch64-softmmu']
 120   }
 121 endif
 122
 123 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 124   # i386 emulator provides xenpv machine type for multiple architectures
 125   accelerator_targets += {
 126     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 127   }
 128 endif
 129 if cpu in ['x86', 'x86_64']
 130   accelerator_targets += {
 131     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 132     'CONFIG_HVF': ['x86_64-softmmu'],
 133     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 134     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 135   }
 136 endif
 137
 138 modular_tcg = []
 139 # Darwin does not support references to thread-local variables in modules
 140 if targetos != 'darwin'
 141   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 142 endif
 143
 144 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 145 unpack_edk2_blobs = false
 146 foreach target : edk2_targets
 147   if target in target_dirs
 148     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 149     unpack_edk2_blobs = bzip2.found()
 150     break
 151   endif
 152 endforeach
 153
 154 dtrace = not_found
 155 stap = not_found
 156 if 'dtrace' in get_option('trace_backends')
 157   dtrace = find_program('dtrace', required: true)
 158   stap = find_program('stap', required: false)
 159   if stap.found()
 160     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 161     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 162     # instead. QEMU --enable-modules depends on this because the SystemTap
 163     # semaphores are linked into the main binary and not the module's shared
 164     # object.
 165     add_global_arguments('-DSTAP_SDT_V2',
 166                          native: false, language: ['c', 'cpp', 'objc'])
 167   endif
 168 endif
 169
 170 if get_option('iasl') == ''
 171   iasl = find_program('iasl', required: false)
 172 else
 173   iasl = find_program(get_option('iasl'), required: true)
 174 endif
 175
 176 ##################
 177 # Compiler flags #
 178 ##################
 179
 180 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 181 qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
 182 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 183 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 184
 185 if targetos == 'windows'
 186   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 187   # Disable ASLR for debug builds to allow debugging with gdb
 188   if get_option('optimization') == '0'
 189     qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
 190   endif
 191 endif
 192
 193 if get_option('gprof')
 194   qemu_cflags += ['-p']
 195   qemu_cxxflags += ['-p']
 196   qemu_objcflags += ['-p']
 197   qemu_ldflags += ['-p']
 198 endif
 199
 200 # Specify linker-script with add_project_link_arguments so that it is not placed
 201 # within a linker --start-group/--end-group pair
 202 if get_option('fuzzing')
 203   add_project_link_arguments(['-Wl,-T,',
 204                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 205                              native: false, language: ['c', 'cpp', 'objc'])
 206
 207   # Specify a filter to only instrument code that is directly related to
 208   # virtual-devices.
 209   configure_file(output: 'instrumentation-filter',
 210                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 211                  copy: true)
 212   add_global_arguments(
 213       cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
 214       native: false, language: ['c', 'cpp', 'objc'])
 215
 216   if get_option('fuzzing_engine') == ''
 217     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 218     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 219     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 220     # unable to bind the fuzzer-related callbacks added by instrumentation.
 221     add_global_arguments('-fsanitize=fuzzer-no-link',
 222                          native: false, language: ['c', 'cpp', 'objc'])
 223     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 224                               native: false, language: ['c', 'cpp', 'objc'])
 225     # For the actual fuzzer binaries, we need to link against the libfuzzer
 226     # library. They need to be configurable, to support OSS-Fuzz
 227     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 228   else
 229     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 230     # the needed CFLAGS have already been provided
 231     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 232   endif
 233 endif
 234
 235 add_global_arguments(qemu_cflags, native: false, language: ['c'])
 236 add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
 237 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
 238 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
 239
 240 if targetos == 'linux'
 241   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 242                         '-isystem', 'linux-headers',
 243                         language: ['c', 'cpp'])
 244 endif
 245
 246 add_project_arguments('-iquote', '.',
 247                       '-iquote', meson.current_source_dir(),
 248                       '-iquote', meson.current_source_dir() / 'include',
 249                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 250                       language: ['c', 'cpp', 'objc'])
 251
 252 link_language = meson.get_external_property('link_language', 'cpp')
 253 if link_language == 'cpp'
 254   add_languages('cpp', required: true, native: false)
 255   cxx = meson.get_compiler('cpp')
 256   linker = cxx
 257 else
 258   linker = cc
 259 endif
 260 if host_machine.system() == 'darwin'
 261   add_languages('objc', required: false, native: false)
 262 endif
 263
 264 sparse = find_program('cgcc', required: get_option('sparse'))
 265 if sparse.found()
 266   run_target('sparse',
 267              command: [find_program('scripts/check_sparse.py'),
 268                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 269                        '-Wno-transparent-union', '-Wno-old-initializer',
 270                        '-Wno-non-pointer-null'])
 271 endif
 272
 273 ###########################################
 274 # Target-specific checks and dependencies #
 275 ###########################################
 276
 277 # Fuzzing
 278 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 279     not cc.links('''
 280           #include <stdint.h>
 281           #include <sys/types.h>
 282           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 283           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 284         ''',
 285         args: ['-Werror', '-fsanitize=fuzzer'])
 286   error('Your compiler does not support -fsanitize=fuzzer')
 287 endif
 288
 289 # Tracing backends
 290 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 291   error('ftrace is supported only on Linux')
 292 endif
 293 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 294     #include <syslog.h>
 295     int main(void) {
 296         openlog("qemu", LOG_PID, LOG_DAEMON);
 297         syslog(LOG_INFO, "configure");
 298         return 0;
 299     }''')
 300   error('syslog is not supported on this system')
 301 endif
 302
 303 # Miscellaneous Linux-only features
 304 get_option('mpath') \
 305   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 306
 307 multiprocess_allowed = get_option('multiprocess') \
 308   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 309   .allowed()
 310
 311 have_tpm = get_option('tpm') \
 312   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 313   .allowed()
 314
 315 # vhost
 316 have_vhost_user = get_option('vhost_user') \
 317   .disable_auto_if(targetos != 'linux') \
 318   .require(targetos != 'windows',
 319            error_message: 'vhost-user is not available on Windows').allowed()
 320 have_vhost_vdpa = get_option('vhost_vdpa') \
 321   .require(targetos == 'linux',
 322            error_message: 'vhost-vdpa is only available on Linux').allowed()
 323 have_vhost_kernel = get_option('vhost_kernel') \
 324   .require(targetos == 'linux',
 325            error_message: 'vhost-kernel is only available on Linux').allowed()
 326 have_vhost_user_crypto = get_option('vhost_crypto') \
 327   .require(have_vhost_user,
 328            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 329
 330 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 331
 332 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 333 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 334 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 335 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 336
 337 # Target-specific libraries and flags
 338 libm = cc.find_library('m', required: false)
 339 threads = dependency('threads')
 340 util = cc.find_library('util', required: false)
 341 winmm = []
 342 socket = []
 343 version_res = []
 344 coref = []
 345 iokit = []
 346 emulator_link_args = []
 347 nvmm =not_found
 348 hvf = not_found
 349 midl = not_found
 350 widl = not_found
 351 host_dsosuf = '.so'
 352 if targetos == 'windows'
 353   midl = find_program('midl', required: false)
 354   widl = find_program('widl', required: false)
 355   socket = cc.find_library('ws2_32')
 356   winmm = cc.find_library('winmm')
 357
 358   win = import('windows')
 359   version_res = win.compile_resources('version.rc',
 360                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 361                                       include_directories: include_directories('.'))
 362   host_dsosuf = '.dll'
 363 elif targetos == 'darwin'
 364   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 365   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 366   host_dsosuf = '.dylib'
 367 elif targetos == 'sunos'
 368   socket = [cc.find_library('socket'),
 369             cc.find_library('nsl'),
 370             cc.find_library('resolv')]
 371 elif targetos == 'haiku'
 372   socket = [cc.find_library('posix_error_mapper'),
 373             cc.find_library('network'),
 374             cc.find_library('bsd')]
 375 elif targetos == 'openbsd'
 376   if get_option('tcg').allowed() and target_dirs.length() > 0
 377     # Disable OpenBSD W^X if available
 378     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 379   endif
 380 endif
 381
 382 # Target-specific configuration of accelerators
 383 accelerators = []
 384 if get_option('kvm').allowed() and targetos == 'linux'
 385   accelerators += 'CONFIG_KVM'
 386 endif
 387 if get_option('whpx').allowed() and targetos == 'windows'
 388   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 389     error('WHPX requires 64-bit host')
 390   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 391        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 392     accelerators += 'CONFIG_WHPX'
 393   endif
 394 endif
 395 if get_option('hvf').allowed()
 396   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 397                    required: get_option('hvf'))
 398   if hvf.found()
 399     accelerators += 'CONFIG_HVF'
 400   endif
 401 endif
 402 if get_option('hax').allowed()
 403   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 404     accelerators += 'CONFIG_HAX'
 405   endif
 406 endif
 407 if targetos == 'netbsd'
 408   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 409   if nvmm.found()
 410     accelerators += 'CONFIG_NVMM'
 411   endif
 412 endif
 413
 414 tcg_arch = host_arch
 415 if get_option('tcg').allowed()
 416   if host_arch == 'unknown'
 417     if get_option('tcg_interpreter')
 418       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 419     else
 420       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 421     endif
 422   elif get_option('tcg_interpreter')
 423     warning('Use of the TCG interpreter is not recommended on this host')
 424     warning('architecture. There is a native TCG execution backend available')
 425     warning('which provides substantially better performance and reliability.')
 426     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 427     warning('configuration option on this architecture to use the native')
 428     warning('backend.')
 429   endif
 430   if get_option('tcg_interpreter')
 431     tcg_arch = 'tci'
 432   elif host_arch == 'sparc64'
 433     tcg_arch = 'sparc'
 434   elif host_arch == 'x86_64'
 435     tcg_arch = 'i386'
 436   elif host_arch == 'ppc64'
 437     tcg_arch = 'ppc'
 438   endif
 439   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 440                         language: ['c', 'cpp', 'objc'])
 441
 442   accelerators += 'CONFIG_TCG'
 443   config_host += { 'CONFIG_TCG': 'y' }
 444 endif
 445
 446 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 447   error('KVM not available on this platform')
 448 endif
 449 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 450   error('HVF not available on this platform')
 451 endif
 452 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 453   error('NVMM not available on this platform')
 454 endif
 455 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 456   error('WHPX not available on this platform')
 457 endif
 458
 459 ################
 460 # Dependencies #
 461 ################
 462
 463 # The path to glib.h is added to all compilation commands.  This was
 464 # grandfathered in from the QEMU Makefiles.
 465 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 466                       native: false, language: ['c', 'cpp', 'objc'])
 467 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 468                           link_args: config_host['GLIB_LIBS'].split(),
 469                           version: config_host['GLIB_VERSION'])
 470 # override glib dep with the configure results (for subprojects)
 471 meson.override_dependency('glib-2.0', glib)
 472
 473 gio = not_found
 474 gdbus_codegen = not_found
 475 if not get_option('gio').auto() or have_system
 476   gio = dependency('gio-2.0', required: get_option('gio'),
 477                    method: 'pkg-config', kwargs: static_kwargs)
 478   if gio.found() and not cc.links('''
 479     #include <gio/gio.h>
 480     int main(void)
 481     {
 482       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 483       return 0;
 484     }''', dependencies: [glib, gio])
 485     if get_option('gio').enabled()
 486       error('The installed libgio is broken for static linking')
 487     endif
 488     gio = not_found
 489   endif
 490   if gio.found()
 491     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 492                                  required: get_option('gio'))
 493     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 494                           method: 'pkg-config', kwargs: static_kwargs)
 495     gio = declare_dependency(dependencies: [gio, gio_unix],
 496                              version: gio.version())
 497   endif
 498 endif
 499
 500 lttng = not_found
 501 if 'ust' in get_option('trace_backends')
 502   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 503                      method: 'pkg-config', kwargs: static_kwargs)
 504 endif
 505 pixman = not_found
 506 if have_system or have_tools
 507   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 508                       method: 'pkg-config', kwargs: static_kwargs)
 509 endif
 510 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 511
 512 libaio = not_found
 513 if not get_option('linux_aio').auto() or have_block
 514   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 515                            required: get_option('linux_aio'),
 516                            kwargs: static_kwargs)
 517 endif
 518
 519 linux_io_uring_test = '''
 520   #include <liburing.h>
 521   #include <linux/errqueue.h>
 522
 523   int main(void) { return 0; }'''
 524
 525 linux_io_uring = not_found
 526 if not get_option('linux_io_uring').auto() or have_block
 527   linux_io_uring = dependency('liburing', version: '>=0.3',
 528                               required: get_option('linux_io_uring'),
 529                               method: 'pkg-config', kwargs: static_kwargs)
 530   if not cc.links(linux_io_uring_test)
 531     linux_io_uring = not_found
 532   endif
 533 endif
 534
 535 libnfs = not_found
 536 if not get_option('libnfs').auto() or have_block
 537   libnfs = dependency('libnfs', version: '>=1.9.3',
 538                       required: get_option('libnfs'),
 539                       method: 'pkg-config', kwargs: static_kwargs)
 540 endif
 541
 542 libattr_test = '''
 543   #include <stddef.h>
 544   #include <sys/types.h>
 545   #ifdef CONFIG_LIBATTR
 546   #include <attr/xattr.h>
 547   #else
 548   #include <sys/xattr.h>
 549   #endif
 550   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 551
 552 libattr = not_found
 553 have_old_libattr = false
 554 if get_option('attr').allowed()
 555   if cc.links(libattr_test)
 556     libattr = declare_dependency()
 557   else
 558     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 559                               required: get_option('attr'),
 560                               kwargs: static_kwargs)
 561     if libattr.found() and not \
 562       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 563       libattr = not_found
 564       if get_option('attr').enabled()
 565         error('could not link libattr')
 566       else
 567         warning('could not link libattr, disabling')
 568       endif
 569     else
 570       have_old_libattr = libattr.found()
 571     endif
 572   endif
 573 endif
 574
 575 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 576 if cocoa.found() and get_option('sdl').enabled()
 577   error('Cocoa and SDL cannot be enabled at the same time')
 578 endif
 579 if cocoa.found() and get_option('gtk').enabled()
 580   error('Cocoa and GTK+ cannot be enabled at the same time')
 581 endif
 582
 583 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 584 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 585                                               'VMNET_BRIDGED_MODE',
 586                                               dependencies: vmnet)
 587   vmnet = not_found
 588   if get_option('vmnet').enabled()
 589     error('vmnet.framework API is outdated')
 590   else
 591     warning('vmnet.framework API is outdated, disabling')
 592   endif
 593 endif
 594
 595 seccomp = not_found
 596 if not get_option('seccomp').auto() or have_system or have_tools
 597   seccomp = dependency('libseccomp', version: '>=2.3.0',
 598                        required: get_option('seccomp'),
 599                        method: 'pkg-config', kwargs: static_kwargs)
 600 endif
 601
 602 libcap_ng = not_found
 603 if not get_option('cap_ng').auto() or have_system or have_tools
 604   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 605                               required: get_option('cap_ng'),
 606                               kwargs: static_kwargs)
 607 endif
 608 if libcap_ng.found() and not cc.links('''
 609    #include <cap-ng.h>
 610    int main(void)
 611    {
 612      capng_capability_to_name(CAPNG_EFFECTIVE);
 613      return 0;
 614    }''', dependencies: libcap_ng)
 615   libcap_ng = not_found
 616   if get_option('cap_ng').enabled()
 617     error('could not link libcap-ng')
 618   else
 619     warning('could not link libcap-ng, disabling')
 620   endif
 621 endif
 622
 623 if get_option('xkbcommon').auto() and not have_system and not have_tools
 624   xkbcommon = not_found
 625 else
 626   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 627                          method: 'pkg-config', kwargs: static_kwargs)
 628 endif
 629
 630 vde = not_found
 631 if not get_option('vde').auto() or have_system or have_tools
 632   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 633                            required: get_option('vde'),
 634                            kwargs: static_kwargs)
 635 endif
 636 if vde.found() and not cc.links('''
 637    #include <libvdeplug.h>
 638    int main(void)
 639    {
 640      struct vde_open_args a = {0, 0, 0};
 641      char s[] = "";
 642      vde_open(s, s, &a);
 643      return 0;
 644    }''', dependencies: vde)
 645   vde = not_found
 646   if get_option('cap_ng').enabled()
 647     error('could not link libvdeplug')
 648   else
 649     warning('could not link libvdeplug, disabling')
 650   endif
 651 endif
 652
 653 pulse = not_found
 654 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 655   pulse = dependency('libpulse', required: get_option('pa'),
 656                      method: 'pkg-config', kwargs: static_kwargs)
 657 endif
 658 alsa = not_found
 659 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 660   alsa = dependency('alsa', required: get_option('alsa'),
 661                     method: 'pkg-config', kwargs: static_kwargs)
 662 endif
 663 jack = not_found
 664 if not get_option('jack').auto() or have_system
 665   jack = dependency('jack', required: get_option('jack'),
 666                     method: 'pkg-config', kwargs: static_kwargs)
 667 endif
 668
 669 spice_protocol = not_found
 670 if not get_option('spice_protocol').auto() or have_system
 671   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 672                               required: get_option('spice_protocol'),
 673                               method: 'pkg-config', kwargs: static_kwargs)
 674 endif
 675 spice = not_found
 676 if not get_option('spice').auto() or have_system
 677   spice = dependency('spice-server', version: '>=0.12.5',
 678                      required: get_option('spice'),
 679                      method: 'pkg-config', kwargs: static_kwargs)
 680 endif
 681 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 682
 683 rt = cc.find_library('rt', required: false)
 684
 685 libiscsi = not_found
 686 if not get_option('libiscsi').auto() or have_block
 687   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 688                          required: get_option('libiscsi'),
 689                          method: 'pkg-config', kwargs: static_kwargs)
 690 endif
 691 zstd = not_found
 692 if not get_option('zstd').auto() or have_block
 693   zstd = dependency('libzstd', version: '>=1.4.0',
 694                     required: get_option('zstd'),
 695                     method: 'pkg-config', kwargs: static_kwargs)
 696 endif
 697 virgl = not_found
 698
 699 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 700 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 701   virgl = dependency('virglrenderer',
 702                      method: 'pkg-config',
 703                      required: get_option('virglrenderer'),
 704                      kwargs: static_kwargs)
 705 endif
 706 curl = not_found
 707 if not get_option('curl').auto() or have_block
 708   curl = dependency('libcurl', version: '>=7.29.0',
 709                     method: 'pkg-config',
 710                     required: get_option('curl'),
 711                     kwargs: static_kwargs)
 712 endif
 713 libudev = not_found
 714 if targetos == 'linux' and (have_system or have_tools)
 715   libudev = dependency('libudev',
 716                        method: 'pkg-config',
 717                        required: get_option('libudev'),
 718                        kwargs: static_kwargs)
 719 endif
 720
 721 mpathlibs = [libudev]
 722 mpathpersist = not_found
 723 mpathpersist_new_api = false
 724 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 725   mpath_test_source_new = '''
 726     #include <libudev.h>
 727     #include <mpath_persist.h>
 728     unsigned mpath_mx_alloc_len = 1024;
 729     int logsink;
 730     static struct config *multipath_conf;
 731     extern struct udev *udev;
 732     extern struct config *get_multipath_config(void);
 733     extern void put_multipath_config(struct config *conf);
 734     struct udev *udev;
 735     struct config *get_multipath_config(void) { return multipath_conf; }
 736     void put_multipath_config(struct config *conf) { }
 737     int main(void) {
 738         udev = udev_new();
 739         multipath_conf = mpath_lib_init();
 740         return 0;
 741     }'''
 742   mpath_test_source_old = '''
 743       #include <libudev.h>
 744       #include <mpath_persist.h>
 745       unsigned mpath_mx_alloc_len = 1024;
 746       int logsink;
 747       int main(void) {
 748           struct udev *udev = udev_new();
 749           mpath_lib_init(udev);
 750           return 0;
 751       }'''
 752   libmpathpersist = cc.find_library('mpathpersist',
 753                                     required: get_option('mpath'),
 754                                     kwargs: static_kwargs)
 755   if libmpathpersist.found()
 756     mpathlibs += libmpathpersist
 757     if enable_static
 758       mpathlibs += cc.find_library('devmapper',
 759                                      required: get_option('mpath'),
 760                                      kwargs: static_kwargs)
 761     endif
 762     mpathlibs += cc.find_library('multipath',
 763                                  required: get_option('mpath'),
 764                                  kwargs: static_kwargs)
 765     foreach lib: mpathlibs
 766       if not lib.found()
 767         mpathlibs = []
 768         break
 769       endif
 770     endforeach
 771     if mpathlibs.length() == 0
 772       msg = 'Dependencies missing for libmpathpersist'
 773     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 774       mpathpersist = declare_dependency(dependencies: mpathlibs)
 775       mpathpersist_new_api = true
 776     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 777       mpathpersist = declare_dependency(dependencies: mpathlibs)
 778     else
 779       msg = 'Cannot detect libmpathpersist API'
 780     endif
 781     if not mpathpersist.found()
 782       if get_option('mpath').enabled()
 783         error(msg)
 784       else
 785         warning(msg + ', disabling')
 786       endif
 787     endif
 788   endif
 789 endif
 790
 791 iconv = not_found
 792 curses = not_found
 793 if have_system and get_option('curses').allowed()
 794   curses_test = '''
 795     #if defined(__APPLE__) || defined(__OpenBSD__)
 796     #define _XOPEN_SOURCE_EXTENDED 1
 797     #endif
 798     #include <locale.h>
 799     #include <curses.h>
 800     #include <wchar.h>
 801     int main(void) {
 802       wchar_t wch = L'w';
 803       setlocale(LC_ALL, "");
 804       resize_term(0, 0);
 805       addwstr(L"wide chars\n");
 806       addnwstr(&wch, 1);
 807       add_wch(WACS_DEGREE);
 808       return 0;
 809     }'''
 810
 811   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 812   foreach curses_dep : curses_dep_list
 813     if not curses.found()
 814       curses = dependency(curses_dep,
 815                           required: false,
 816                           method: 'pkg-config',
 817                           kwargs: static_kwargs)
 818     endif
 819   endforeach
 820   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 821   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 822   if curses.found()
 823     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 824       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 825     else
 826       msg = 'curses package not usable'
 827       curses = not_found
 828     endif
 829   endif
 830   if not curses.found()
 831     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 832     if targetos != 'windows' and not has_curses_h
 833       message('Trying with /usr/include/ncursesw')
 834       curses_compile_args += ['-I/usr/include/ncursesw']
 835       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 836     endif
 837     if has_curses_h
 838       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 839       foreach curses_libname : curses_libname_list
 840         libcurses = cc.find_library(curses_libname,
 841                                     required: false,
 842                                     kwargs: static_kwargs)
 843         if libcurses.found()
 844           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 845             curses = declare_dependency(compile_args: curses_compile_args,
 846                                         dependencies: [libcurses])
 847             break
 848           else
 849             msg = 'curses library not usable'
 850           endif
 851         endif
 852       endforeach
 853     endif
 854   endif
 855   if get_option('iconv').allowed()
 856     foreach link_args : [ ['-liconv'], [] ]
 857       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 858       # We need to use libiconv if available because mixing libiconv's headers with
 859       # the system libc does not work.
 860       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 861       # included in the command line and libiconv will not be found.
 862       if cc.links('''
 863         #include <iconv.h>
 864         int main(void) {
 865           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 866           return conv != (iconv_t) -1;
 867         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 868         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 869         break
 870       endif
 871     endforeach
 872   endif
 873   if curses.found() and not iconv.found()
 874     if get_option('iconv').enabled()
 875       error('iconv not available')
 876     endif
 877     msg = 'iconv required for curses UI but not available'
 878     curses = not_found
 879   endif
 880   if not curses.found() and msg != ''
 881     if get_option('curses').enabled()
 882       error(msg)
 883     else
 884       warning(msg + ', disabling')
 885     endif
 886   endif
 887 endif
 888
 889 brlapi = not_found
 890 if not get_option('brlapi').auto() or have_system
 891   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 892                          required: get_option('brlapi'),
 893                          kwargs: static_kwargs)
 894   if brlapi.found() and not cc.links('''
 895      #include <brlapi.h>
 896      #include <stddef.h>
 897      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 898     brlapi = not_found
 899     if get_option('brlapi').enabled()
 900       error('could not link brlapi')
 901     else
 902       warning('could not link brlapi, disabling')
 903     endif
 904   endif
 905 endif
 906
 907 sdl = not_found
 908 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 909   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 910   sdl_image = not_found
 911 endif
 912 if sdl.found()
 913   # work around 2.0.8 bug
 914   sdl = declare_dependency(compile_args: '-Wno-undef',
 915                            dependencies: sdl)
 916   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 917                          method: 'pkg-config', kwargs: static_kwargs)
 918 else
 919   if get_option('sdl_image').enabled()
 920     error('sdl-image required, but SDL was @0@'.format(
 921           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 922   endif
 923   sdl_image = not_found
 924 endif
 925
 926 rbd = not_found
 927 if not get_option('rbd').auto() or have_block
 928   librados = cc.find_library('rados', required: get_option('rbd'),
 929                              kwargs: static_kwargs)
 930   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 931                            required: get_option('rbd'),
 932                            kwargs: static_kwargs)
 933   if librados.found() and librbd.found()
 934     if cc.links('''
 935       #include <stdio.h>
 936       #include <rbd/librbd.h>
 937       int main(void) {
 938         rados_t cluster;
 939         rados_create(&cluster, NULL);
 940         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 941         #error
 942         #endif
 943         return 0;
 944       }''', dependencies: [librbd, librados])
 945       rbd = declare_dependency(dependencies: [librbd, librados])
 946     elif get_option('rbd').enabled()
 947       error('librbd >= 1.12.0 required')
 948     else
 949       warning('librbd >= 1.12.0 not found, disabling')
 950     endif
 951   endif
 952 endif
 953
 954 glusterfs = not_found
 955 glusterfs_ftruncate_has_stat = false
 956 glusterfs_iocb_has_stat = false
 957 if not get_option('glusterfs').auto() or have_block
 958   glusterfs = dependency('glusterfs-api', version: '>=3',
 959                          required: get_option('glusterfs'),
 960                          method: 'pkg-config', kwargs: static_kwargs)
 961   if glusterfs.found()
 962     glusterfs_ftruncate_has_stat = cc.links('''
 963       #include <glusterfs/api/glfs.h>
 964
 965       int
 966       main(void)
 967       {
 968           /* new glfs_ftruncate() passes two additional args */
 969           return glfs_ftruncate(NULL, 0, NULL, NULL);
 970       }
 971     ''', dependencies: glusterfs)
 972     glusterfs_iocb_has_stat = cc.links('''
 973       #include <glusterfs/api/glfs.h>
 974
 975       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 976       static void
 977       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 978       {}
 979
 980       int
 981       main(void)
 982       {
 983           glfs_io_cbk iocb = &glusterfs_iocb;
 984           iocb(NULL, 0 , NULL, NULL, NULL);
 985           return 0;
 986       }
 987     ''', dependencies: glusterfs)
 988   endif
 989 endif
 990
 991 libssh = not_found
 992 if not get_option('libssh').auto() or have_block
 993   libssh = dependency('libssh', version: '>=0.8.7',
 994                     method: 'pkg-config',
 995                     required: get_option('libssh'),
 996                     kwargs: static_kwargs)
 997 endif
 998
 999 libbzip2 = not_found
1000 if not get_option('bzip2').auto() or have_block
1001   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1002                              required: get_option('bzip2'),
1003                              kwargs: static_kwargs)
1004   if libbzip2.found() and not cc.links('''
1005      #include <bzlib.h>
1006      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1007     libbzip2 = not_found
1008     if get_option('bzip2').enabled()
1009       error('could not link libbzip2')
1010     else
1011       warning('could not link libbzip2, disabling')
1012     endif
1013   endif
1014 endif
1015
1016 liblzfse = not_found
1017 if not get_option('lzfse').auto() or have_block
1018   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1019                              required: get_option('lzfse'),
1020                              kwargs: static_kwargs)
1021 endif
1022 if liblzfse.found() and not cc.links('''
1023    #include <lzfse.h>
1024    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1025   liblzfse = not_found
1026   if get_option('lzfse').enabled()
1027     error('could not link liblzfse')
1028   else
1029     warning('could not link liblzfse, disabling')
1030   endif
1031 endif
1032
1033 oss = not_found
1034 if get_option('oss').allowed() and have_system
1035   if not cc.has_header('sys/soundcard.h')
1036     # not found
1037   elif targetos == 'netbsd'
1038     oss = cc.find_library('ossaudio', required: get_option('oss'),
1039                           kwargs: static_kwargs)
1040   else
1041     oss = declare_dependency()
1042   endif
1043
1044   if not oss.found()
1045     if get_option('oss').enabled()
1046       error('OSS not found')
1047     endif
1048   endif
1049 endif
1050 dsound = not_found
1051 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1052   if cc.has_header('dsound.h')
1053     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1054   endif
1055
1056   if not dsound.found()
1057     if get_option('dsound').enabled()
1058       error('DirectSound not found')
1059     endif
1060   endif
1061 endif
1062
1063 coreaudio = not_found
1064 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1065   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1066                          required: get_option('coreaudio'))
1067 endif
1068
1069 opengl = not_found
1070 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1071   epoxy = dependency('epoxy', method: 'pkg-config',
1072                       required: get_option('opengl'), kwargs: static_kwargs)
1073   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1074     opengl = epoxy
1075   elif get_option('opengl').enabled()
1076     error('epoxy/egl.h not found')
1077   endif
1078 endif
1079 gbm = not_found
1080 if (have_system or have_tools) and (virgl.found() or opengl.found())
1081   gbm = dependency('gbm', method: 'pkg-config', required: false,
1082                    kwargs: static_kwargs)
1083 endif
1084 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1085
1086 gnutls = not_found
1087 gnutls_crypto = not_found
1088 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1089   # For general TLS support our min gnutls matches
1090   # that implied by our platform support matrix
1091   #
1092   # For the crypto backends, we look for a newer
1093   # gnutls:
1094   #
1095   #   Version 3.6.8  is needed to get XTS
1096   #   Version 3.6.13 is needed to get PBKDF
1097   #   Version 3.6.14 is needed to get HW accelerated XTS
1098   #
1099   # If newer enough gnutls isn't available, we can
1100   # still use a different crypto backend to satisfy
1101   # the platform support requirements
1102   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1103                              method: 'pkg-config',
1104                              required: false,
1105                              kwargs: static_kwargs)
1106   if gnutls_crypto.found()
1107     gnutls = gnutls_crypto
1108   else
1109     # Our min version if all we need is TLS
1110     gnutls = dependency('gnutls', version: '>=3.5.18',
1111                         method: 'pkg-config',
1112                         required: get_option('gnutls'),
1113                         kwargs: static_kwargs)
1114   endif
1115 endif
1116
1117 # We prefer use of gnutls for crypto, unless the options
1118 # explicitly asked for nettle or gcrypt.
1119 #
1120 # If gnutls isn't available for crypto, then we'll prefer
1121 # gcrypt over nettle for performance reasons.
1122 gcrypt = not_found
1123 nettle = not_found
1124 xts = 'none'
1125
1126 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1127   error('Only one of gcrypt & nettle can be enabled')
1128 endif
1129
1130 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1131 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1132   gnutls_crypto = not_found
1133 endif
1134
1135 if not gnutls_crypto.found()
1136   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1137     gcrypt = dependency('libgcrypt', version: '>=1.8',
1138                         method: 'config-tool',
1139                         required: get_option('gcrypt'),
1140                         kwargs: static_kwargs)
1141     # Debian has removed -lgpg-error from libgcrypt-config
1142     # as it "spreads unnecessary dependencies" which in
1143     # turn breaks static builds...
1144     if gcrypt.found() and enable_static
1145       gcrypt = declare_dependency(dependencies: [
1146         gcrypt,
1147         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1148     endif
1149   endif
1150   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1151     nettle = dependency('nettle', version: '>=3.4',
1152                         method: 'pkg-config',
1153                         required: get_option('nettle'),
1154                         kwargs: static_kwargs)
1155     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1156       xts = 'private'
1157     endif
1158   endif
1159 endif
1160
1161 gtk = not_found
1162 gtkx11 = not_found
1163 vte = not_found
1164 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1165   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1166                    method: 'pkg-config',
1167                    required: get_option('gtk'),
1168                    kwargs: static_kwargs)
1169   if gtk.found()
1170     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1171                         method: 'pkg-config',
1172                         required: false,
1173                         kwargs: static_kwargs)
1174     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1175
1176     if not get_option('vte').auto() or have_system
1177       vte = dependency('vte-2.91',
1178                        method: 'pkg-config',
1179                        required: get_option('vte'),
1180                        kwargs: static_kwargs)
1181     endif
1182   endif
1183 endif
1184
1185 x11 = not_found
1186 if gtkx11.found()
1187   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1188                    kwargs: static_kwargs)
1189 endif
1190 png = not_found
1191 if get_option('png').allowed() and have_system
1192    png = dependency('libpng', required: get_option('png'),
1193                     method: 'pkg-config', kwargs: static_kwargs)
1194 endif
1195 vnc = not_found
1196 jpeg = not_found
1197 sasl = not_found
1198 if get_option('vnc').allowed() and have_system
1199   vnc = declare_dependency() # dummy dependency
1200   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1201                     method: 'pkg-config', kwargs: static_kwargs)
1202   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1203                          required: get_option('vnc_sasl'),
1204                          kwargs: static_kwargs)
1205   if sasl.found()
1206     sasl = declare_dependency(dependencies: sasl,
1207                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1208   endif
1209 endif
1210
1211 pam = not_found
1212 if not get_option('auth_pam').auto() or have_system
1213   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1214                         required: get_option('auth_pam'),
1215                         kwargs: static_kwargs)
1216 endif
1217 if pam.found() and not cc.links('''
1218    #include <stddef.h>
1219    #include <security/pam_appl.h>
1220    int main(void) {
1221      const char *service_name = "qemu";
1222      const char *user = "frank";
1223      const struct pam_conv pam_conv = { 0 };
1224      pam_handle_t *pamh = NULL;
1225      pam_start(service_name, user, &pam_conv, &pamh);
1226      return 0;
1227    }''', dependencies: pam)
1228   pam = not_found
1229   if get_option('auth_pam').enabled()
1230     error('could not link libpam')
1231   else
1232     warning('could not link libpam, disabling')
1233   endif
1234 endif
1235
1236 snappy = not_found
1237 if not get_option('snappy').auto() or have_system
1238   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1239                            required: get_option('snappy'),
1240                            kwargs: static_kwargs)
1241 endif
1242 if snappy.found() and not linker.links('''
1243    #include <snappy-c.h>
1244    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1245   snappy = not_found
1246   if get_option('snappy').enabled()
1247     error('could not link libsnappy')
1248   else
1249     warning('could not link libsnappy, disabling')
1250   endif
1251 endif
1252
1253 lzo = not_found
1254 if not get_option('lzo').auto() or have_system
1255   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1256                         required: get_option('lzo'),
1257                         kwargs: static_kwargs)
1258 endif
1259 if lzo.found() and not cc.links('''
1260    #include <lzo/lzo1x.h>
1261    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1262   lzo = not_found
1263   if get_option('lzo').enabled()
1264     error('could not link liblzo2')
1265   else
1266     warning('could not link liblzo2, disabling')
1267   endif
1268 endif
1269
1270 numa = not_found
1271 if not get_option('numa').auto() or have_system or have_tools
1272   numa = cc.find_library('numa', has_headers: ['numa.h'],
1273                               required: get_option('numa'),
1274                               kwargs: static_kwargs)
1275 endif
1276 if numa.found() and not cc.links('''
1277    #include <numa.h>
1278    int main(void) { return numa_available(); }
1279    ''', dependencies: numa)
1280   numa = not_found
1281   if get_option('numa').enabled()
1282     error('could not link numa')
1283   else
1284     warning('could not link numa, disabling')
1285   endif
1286 endif
1287
1288 rdma = not_found
1289 if not get_option('rdma').auto() or have_system
1290   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1291   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1292                                required: get_option('rdma'),
1293                                kwargs: static_kwargs),
1294                cc.find_library('ibverbs', required: get_option('rdma'),
1295                                kwargs: static_kwargs),
1296                libumad]
1297   rdma = declare_dependency(dependencies: rdma_libs)
1298   foreach lib: rdma_libs
1299     if not lib.found()
1300       rdma = not_found
1301     endif
1302   endforeach
1303 endif
1304
1305 xen = not_found
1306 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1307   xencontrol = dependency('xencontrol', required: false,
1308                           method: 'pkg-config', kwargs: static_kwargs)
1309   if xencontrol.found()
1310     xen_pc = declare_dependency(version: xencontrol.version(),
1311       dependencies: [
1312         xencontrol,
1313         # disabler: true makes xen_pc.found() return false if any is not found
1314         dependency('xenstore', required: false,
1315                    method: 'pkg-config', kwargs: static_kwargs,
1316                    disabler: true),
1317         dependency('xenforeignmemory', required: false,
1318                    method: 'pkg-config', kwargs: static_kwargs,
1319                    disabler: true),
1320         dependency('xengnttab', required: false,
1321                    method: 'pkg-config', kwargs: static_kwargs,
1322                    disabler: true),
1323         dependency('xenevtchn', required: false,
1324                    method: 'pkg-config', kwargs: static_kwargs,
1325                    disabler: true),
1326         dependency('xendevicemodel', required: false,
1327                    method: 'pkg-config', kwargs: static_kwargs,
1328                    disabler: true),
1329         # optional, no "disabler: true"
1330         dependency('xentoolcore', required: false,
1331                    method: 'pkg-config', kwargs: static_kwargs)])
1332     if xen_pc.found()
1333       xen = xen_pc
1334     endif
1335   endif
1336   if not xen.found()
1337     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' ]
1338     xen_libs = {
1339       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1340       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1341       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1342       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1343       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1344       '4.6.0': [ 'xenstore', 'xenctrl' ],
1345       '4.5.0': [ 'xenstore', 'xenctrl' ],
1346       '4.2.0': [ 'xenstore', 'xenctrl' ],
1347     }
1348     xen_deps = {}
1349     foreach ver: xen_tests
1350       # cache the various library tests to avoid polluting the logs
1351       xen_test_deps = []
1352       foreach l: xen_libs[ver]
1353         if l not in xen_deps
1354           xen_deps += { l: cc.find_library(l, required: false) }
1355         endif
1356         xen_test_deps += xen_deps[l]
1357       endforeach
1358
1359       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1360       xen_version = ver.split('.')
1361       xen_ctrl_version = xen_version[0] + \
1362         ('0' + xen_version[1]).substring(-2) + \
1363         ('0' + xen_version[2]).substring(-2)
1364       if cc.links(files('scripts/xen-detect.c'),
1365                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1366                   dependencies: xen_test_deps)
1367         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1368         break
1369       endif
1370     endforeach
1371   endif
1372   if xen.found()
1373     accelerators += 'CONFIG_XEN'
1374   elif get_option('xen').enabled()
1375     error('could not compile and link Xen test program')
1376   endif
1377 endif
1378 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1379   .require(xen.found(),
1380            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1381   .require(targetos == 'linux',
1382            error_message: 'Xen PCI passthrough not available on this platform') \
1383   .allowed()
1384
1385
1386 cacard = not_found
1387 if not get_option('smartcard').auto() or have_system
1388   cacard = dependency('libcacard', required: get_option('smartcard'),
1389                       version: '>=2.5.1', method: 'pkg-config',
1390                       kwargs: static_kwargs)
1391 endif
1392 u2f = not_found
1393 if have_system
1394   u2f = dependency('u2f-emu', required: get_option('u2f'),
1395                    method: 'pkg-config',
1396                    kwargs: static_kwargs)
1397 endif
1398 usbredir = not_found
1399 if not get_option('usb_redir').auto() or have_system
1400   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1401                         version: '>=0.6', method: 'pkg-config',
1402                         kwargs: static_kwargs)
1403 endif
1404 libusb = not_found
1405 if not get_option('libusb').auto() or have_system
1406   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1407                       version: '>=1.0.13', method: 'pkg-config',
1408                       kwargs: static_kwargs)
1409 endif
1410
1411 libpmem = not_found
1412 if not get_option('libpmem').auto() or have_system
1413   libpmem = dependency('libpmem', required: get_option('libpmem'),
1414                        method: 'pkg-config', kwargs: static_kwargs)
1415 endif
1416 libdaxctl = not_found
1417 if not get_option('libdaxctl').auto() or have_system
1418   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1419                          version: '>=57', method: 'pkg-config',
1420                          kwargs: static_kwargs)
1421 endif
1422 tasn1 = not_found
1423 if gnutls.found()
1424   tasn1 = dependency('libtasn1',
1425                      method: 'pkg-config',
1426                      kwargs: static_kwargs)
1427 endif
1428 keyutils = dependency('libkeyutils', required: false,
1429                       method: 'pkg-config', kwargs: static_kwargs)
1430
1431 has_gettid = cc.has_function('gettid')
1432
1433 # libselinux
1434 selinux = dependency('libselinux',
1435                      required: get_option('selinux'),
1436                      method: 'pkg-config', kwargs: static_kwargs)
1437
1438 # Malloc tests
1439
1440 malloc = []
1441 if get_option('malloc') == 'system'
1442   has_malloc_trim = \
1443     get_option('malloc_trim').allowed() and \
1444     cc.links('''#include <malloc.h>
1445                 int main(void) { malloc_trim(0); return 0; }''')
1446 else
1447   has_malloc_trim = false
1448   malloc = cc.find_library(get_option('malloc'), required: true)
1449 endif
1450 if not has_malloc_trim and get_option('malloc_trim').enabled()
1451   if get_option('malloc') == 'system'
1452     error('malloc_trim not available on this platform.')
1453   else
1454     error('malloc_trim not available with non-libc memory allocator')
1455   endif
1456 endif
1457
1458 # Check whether the glibc provides statx()
1459
1460 gnu_source_prefix = '''
1461   #ifndef _GNU_SOURCE
1462   #define _GNU_SOURCE
1463   #endif
1464 '''
1465 statx_test = gnu_source_prefix + '''
1466   #include <sys/stat.h>
1467   int main(void) {
1468     struct statx statxbuf;
1469     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1470     return 0;
1471   }'''
1472
1473 has_statx = cc.links(statx_test)
1474
1475 # Check whether statx() provides mount ID information
1476
1477 statx_mnt_id_test = gnu_source_prefix + '''
1478   #include <sys/stat.h>
1479   int main(void) {
1480     struct statx statxbuf;
1481     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1482     return statxbuf.stx_mnt_id;
1483   }'''
1484
1485 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1486
1487 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1488   .require(targetos == 'linux',
1489            error_message: 'vhost_user_blk_server requires linux') \
1490   .require(have_vhost_user,
1491            error_message: 'vhost_user_blk_server requires vhost-user support') \
1492   .disable_auto_if(not have_system) \
1493   .allowed()
1494
1495 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1496   error('Cannot enable fuse-lseek while fuse is disabled')
1497 endif
1498
1499 fuse = dependency('fuse3', required: get_option('fuse'),
1500                   version: '>=3.1', method: 'pkg-config',
1501                   kwargs: static_kwargs)
1502
1503 fuse_lseek = not_found
1504 if get_option('fuse_lseek').allowed()
1505   if fuse.version().version_compare('>=3.8')
1506     # Dummy dependency
1507     fuse_lseek = declare_dependency()
1508   elif get_option('fuse_lseek').enabled()
1509     if fuse.found()
1510       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1511     else
1512       error('fuse-lseek requires libfuse, which was not found')
1513     endif
1514   endif
1515 endif
1516
1517 # libbpf
1518 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1519 if libbpf.found() and not cc.links('''
1520    #include <bpf/libbpf.h>
1521    int main(void)
1522    {
1523      bpf_object__destroy_skeleton(NULL);
1524      return 0;
1525    }''', dependencies: libbpf)
1526   libbpf = not_found
1527   if get_option('bpf').enabled()
1528     error('libbpf skeleton test failed')
1529   else
1530     warning('libbpf skeleton test failed, disabling')
1531   endif
1532 endif
1533
1534 #################
1535 # config-host.h #
1536 #################
1537
1538 audio_drivers_selected = []
1539 if have_system
1540   audio_drivers_available = {
1541     'alsa': alsa.found(),
1542     'coreaudio': coreaudio.found(),
1543     'dsound': dsound.found(),
1544     'jack': jack.found(),
1545     'oss': oss.found(),
1546     'pa': pulse.found(),
1547     'sdl': sdl.found(),
1548   }
1549   foreach k, v: audio_drivers_available
1550     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1551   endforeach
1552
1553   # Default to native drivers first, OSS second, SDL third
1554   audio_drivers_priority = \
1555     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1556     (targetos == 'linux' ? [] : [ 'sdl' ])
1557   audio_drivers_default = []
1558   foreach k: audio_drivers_priority
1559     if audio_drivers_available[k]
1560       audio_drivers_default += k
1561     endif
1562   endforeach
1563
1564   foreach k: get_option('audio_drv_list')
1565     if k == 'default'
1566       audio_drivers_selected += audio_drivers_default
1567     elif not audio_drivers_available[k]
1568       error('Audio driver "@0@" not available.'.format(k))
1569     else
1570       audio_drivers_selected += k
1571     endif
1572   endforeach
1573 endif
1574 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1575                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1576
1577 if get_option('cfi')
1578   cfi_flags=[]
1579   # Check for dependency on LTO
1580   if not get_option('b_lto')
1581     error('Selected Control-Flow Integrity but LTO is disabled')
1582   endif
1583   if config_host.has_key('CONFIG_MODULES')
1584     error('Selected Control-Flow Integrity is not compatible with modules')
1585   endif
1586   # Check for cfi flags. CFI requires LTO so we can't use
1587   # get_supported_arguments, but need a more complex "compiles" which allows
1588   # custom arguments
1589   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1590                  args: ['-flto', '-fsanitize=cfi-icall'] )
1591     cfi_flags += '-fsanitize=cfi-icall'
1592   else
1593     error('-fsanitize=cfi-icall is not supported by the compiler')
1594   endif
1595   if cc.compiles('int main () { return 0; }',
1596                  name: '-fsanitize-cfi-icall-generalize-pointers',
1597                  args: ['-flto', '-fsanitize=cfi-icall',
1598                         '-fsanitize-cfi-icall-generalize-pointers'] )
1599     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1600   else
1601     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1602   endif
1603   if get_option('cfi_debug')
1604     if cc.compiles('int main () { return 0; }',
1605                    name: '-fno-sanitize-trap=cfi-icall',
1606                    args: ['-flto', '-fsanitize=cfi-icall',
1607                           '-fno-sanitize-trap=cfi-icall'] )
1608       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1609     else
1610       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1611     endif
1612   endif
1613   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1614   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1615 endif
1616
1617 have_host_block_device = (targetos != 'darwin' or
1618     cc.has_header('IOKit/storage/IOMedia.h'))
1619
1620 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1621 dbus_display = get_option('dbus_display') \
1622   .require(gio.version().version_compare('>=2.64'),
1623            error_message: '-display dbus requires glib>=2.64') \
1624   .require(enable_modules,
1625            error_message: '-display dbus requires --enable-modules') \
1626   .require(gdbus_codegen.found(),
1627            error_message: '-display dbus requires gdbus-codegen') \
1628   .allowed()
1629
1630 have_virtfs = get_option('virtfs') \
1631     .require(targetos == 'linux' or targetos == 'darwin',
1632              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1633     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1634              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1635     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1636              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1637     .disable_auto_if(not have_tools and not have_system) \
1638     .allowed()
1639
1640 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1641
1642 if get_option('block_drv_ro_whitelist') == ''
1643   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1644 else
1645   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1646         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1647 endif
1648 if get_option('block_drv_rw_whitelist') == ''
1649   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1650 else
1651   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1652         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1653 endif
1654
1655 foreach k : get_option('trace_backends')
1656   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1657 endforeach
1658 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1659 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1660 if iasl.found()
1661   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1662 endif
1663 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1664 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1665 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1666 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1667 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1668 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1669 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1670 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1671 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1672 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1673 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1674 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1675
1676 if config_host.has_key('CONFIG_MODULES')
1677   config_host_data.set('CONFIG_STAMP', run_command(
1678       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1679       meson.project_version(), get_option('pkgversion'), '--',
1680       meson.current_source_dir() / 'configure',
1681       capture: true, check: true).stdout().strip())
1682 endif
1683
1684 have_slirp_smbd = get_option('slirp_smbd') \
1685   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1686   .allowed()
1687 if have_slirp_smbd
1688   smbd_path = get_option('smbd')
1689   if smbd_path == ''
1690     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1691   endif
1692   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1693 endif
1694
1695 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1696
1697 if get_option('module_upgrades') and not enable_modules
1698   error('Cannot enable module-upgrades as modules are not enabled')
1699 endif
1700 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1701
1702 config_host_data.set('CONFIG_ATTR', libattr.found())
1703 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1704 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1705 config_host_data.set('CONFIG_COCOA', cocoa.found())
1706 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1707 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1708 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1709 config_host_data.set('CONFIG_LZO', lzo.found())
1710 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1711 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1712 config_host_data.set('CONFIG_CURL', curl.found())
1713 config_host_data.set('CONFIG_CURSES', curses.found())
1714 config_host_data.set('CONFIG_GBM', gbm.found())
1715 config_host_data.set('CONFIG_GIO', gio.found())
1716 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1717 if glusterfs.found()
1718   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1719   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1720   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1721   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1722   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1723   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1724 endif
1725 config_host_data.set('CONFIG_GTK', gtk.found())
1726 config_host_data.set('CONFIG_VTE', vte.found())
1727 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1728 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1729 config_host_data.set('CONFIG_EBPF', libbpf.found())
1730 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1731 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1732 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1733 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1734 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1735 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1736 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1737 config_host_data.set('CONFIG_NUMA', numa.found())
1738 config_host_data.set('CONFIG_OPENGL', opengl.found())
1739 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1740 config_host_data.set('CONFIG_RBD', rbd.found())
1741 config_host_data.set('CONFIG_RDMA', rdma.found())
1742 config_host_data.set('CONFIG_SDL', sdl.found())
1743 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1744 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1745 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1746 config_host_data.set('CONFIG_TPM', have_tpm)
1747 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1748 config_host_data.set('CONFIG_VDE', vde.found())
1749 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1750 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1751 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1752 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1753 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1754 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1755 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1756 config_host_data.set('CONFIG_VMNET', vmnet.found())
1757 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1758 config_host_data.set('CONFIG_PNG', png.found())
1759 config_host_data.set('CONFIG_VNC', vnc.found())
1760 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1761 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1762 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1763 config_host_data.set('CONFIG_VTE', vte.found())
1764 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1765 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1766 config_host_data.set('CONFIG_GETTID', has_gettid)
1767 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1768 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1769 config_host_data.set('CONFIG_TASN1', tasn1.found())
1770 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1771 config_host_data.set('CONFIG_NETTLE', nettle.found())
1772 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1773 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1774 config_host_data.set('CONFIG_STATX', has_statx)
1775 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1776 config_host_data.set('CONFIG_ZSTD', zstd.found())
1777 config_host_data.set('CONFIG_FUSE', fuse.found())
1778 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1779 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1780 if spice_protocol.found()
1781 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1782 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1783 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1784 endif
1785 config_host_data.set('CONFIG_SPICE', spice.found())
1786 config_host_data.set('CONFIG_X11', x11.found())
1787 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1788 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1789 config_host_data.set('CONFIG_SELINUX', selinux.found())
1790 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1791 if xen.found()
1792   # protect from xen.version() having less than three components
1793   xen_version = xen.version().split('.') + ['0', '0']
1794   xen_ctrl_version = xen_version[0] + \
1795     ('0' + xen_version[1]).substring(-2) + \
1796     ('0' + xen_version[2]).substring(-2)
1797   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1798 endif
1799 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1800 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1801 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1802 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1803
1804 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1805 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1806
1807 have_coroutine_pool = get_option('coroutine_pool')
1808 if get_option('debug_stack_usage') and have_coroutine_pool
1809   message('Disabling coroutine pool to measure stack usage')
1810   have_coroutine_pool = false
1811 endif
1812 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1813 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1814 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1815 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1816 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1817 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1818 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1819
1820 # has_header
1821 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1822 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1823 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1824 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1825 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1826 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1827 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1828 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1829 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1830
1831 # has_function
1832 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1833 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1834 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1835 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1836 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1837 # Note that we need to specify prefix: here to avoid incorrectly
1838 # thinking that Windows has posix_memalign()
1839 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1840 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1841 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1842 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1843 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1844 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1845 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1846 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1847 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1848 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1849 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1850 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1851 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1852 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1853 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1854 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1855 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1856 if rdma.found()
1857   config_host_data.set('HAVE_IBV_ADVISE_MR',
1858                        cc.has_function('ibv_advise_mr',
1859                                        dependencies: rdma,
1860                                        prefix: '#include <infiniband/verbs.h>'))
1861 endif
1862
1863 # has_header_symbol
1864 config_host_data.set('CONFIG_BYTESWAP_H',
1865                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1866 config_host_data.set('CONFIG_EPOLL_CREATE1',
1867                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1868 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1869                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1870                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1871 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1872                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1873 config_host_data.set('CONFIG_FIEMAP',
1874                      cc.has_header('linux/fiemap.h') and
1875                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1876 config_host_data.set('CONFIG_GETRANDOM',
1877                      cc.has_function('getrandom') and
1878                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1879 config_host_data.set('CONFIG_INOTIFY',
1880                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1881 config_host_data.set('CONFIG_INOTIFY1',
1882                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1883 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1884                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1885                                           prefix: '''#include <sys/endian.h>
1886                                                      #include <sys/types.h>'''))
1887 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1888                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1889 config_host_data.set('CONFIG_RTNETLINK',
1890                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1891 config_host_data.set('CONFIG_SYSMACROS',
1892                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1893 config_host_data.set('HAVE_OPTRESET',
1894                      cc.has_header_symbol('getopt.h', 'optreset'))
1895 config_host_data.set('HAVE_IPPROTO_MPTCP',
1896                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1897
1898 # has_member
1899 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1900                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1901                                    prefix: '#include <signal.h>'))
1902 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1903                      cc.has_member('struct stat', 'st_atim',
1904                                    prefix: '#include <sys/stat.h>'))
1905
1906 # has_type
1907 config_host_data.set('CONFIG_IOVEC',
1908                      cc.has_type('struct iovec',
1909                                  prefix: '#include <sys/uio.h>'))
1910 config_host_data.set('HAVE_UTMPX',
1911                      cc.has_type('struct utmpx',
1912                                  prefix: '#include <utmpx.h>'))
1913
1914 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1915   #include <sys/eventfd.h>
1916   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1917 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1918   #include <unistd.h>
1919   int main(void) {
1920   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1921   return fdatasync(0);
1922   #else
1923   #error Not supported
1924   #endif
1925   }'''))
1926
1927 has_madvise = cc.links(gnu_source_prefix + '''
1928   #include <sys/types.h>
1929   #include <sys/mman.h>
1930   #include <stddef.h>
1931   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1932 missing_madvise_proto = false
1933 if has_madvise
1934   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1935   # but forget to prototype it. In this case, has_madvise will be true (the
1936   # test program links despite a compile warning). To detect the
1937   # missing-prototype case, we try again with a definitely-bogus prototype.
1938   # This will only compile if the system headers don't provide the prototype;
1939   # otherwise the conflicting prototypes will cause a compiler error.
1940   missing_madvise_proto = cc.links(gnu_source_prefix + '''
1941     #include <sys/types.h>
1942     #include <sys/mman.h>
1943     #include <stddef.h>
1944     extern int madvise(int);
1945     int main(void) { return madvise(0); }''')
1946 endif
1947 config_host_data.set('CONFIG_MADVISE', has_madvise)
1948 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1949
1950 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1951   #include <sys/mman.h>
1952   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1953 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1954   #include <fcntl.h>
1955   #if !defined(AT_EMPTY_PATH)
1956   # error missing definition
1957   #else
1958   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1959   #endif'''))
1960 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1961   #include <unistd.h>
1962   #include <fcntl.h>
1963
1964   int main(void)
1965   {
1966       int pipefd[2];
1967       return pipe2(pipefd, O_CLOEXEC);
1968   }'''))
1969 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1970   #include <sys/mman.h>
1971   #include <stddef.h>
1972   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1973
1974 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1975   #include <pthread.h>
1976
1977   static void *f(void *p) { return NULL; }
1978   int main(void)
1979   {
1980     pthread_t thread;
1981     pthread_create(&thread, 0, f, 0);
1982     pthread_setname_np(thread, "QEMU");
1983     return 0;
1984   }''', dependencies: threads))
1985 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1986   #include <pthread.h>
1987
1988   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1989   int main(void)
1990   {
1991     pthread_t thread;
1992     pthread_create(&thread, 0, f, 0);
1993     return 0;
1994   }''', dependencies: threads))
1995 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
1996   #include <pthread.h>
1997   #include <time.h>
1998
1999   int main(void)
2000   {
2001     pthread_condattr_t attr
2002     pthread_condattr_init(&attr);
2003     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2004     return 0;
2005   }''', dependencies: threads))
2006
2007 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2008   #include <sys/signalfd.h>
2009   #include <stddef.h>
2010   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2011 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2012   #include <unistd.h>
2013   #include <fcntl.h>
2014   #include <limits.h>
2015
2016   int main(void)
2017   {
2018     int len, fd = 0;
2019     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2020     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2021     return 0;
2022   }'''))
2023
2024 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2025   #include <sys/mman.h>
2026   int main(int argc, char *argv[]) {
2027     return mlockall(MCL_FUTURE);
2028   }'''))
2029
2030 have_l2tpv3 = false
2031 if get_option('l2tpv3').allowed() and have_system
2032   have_l2tpv3 = cc.has_type('struct mmsghdr',
2033     prefix: gnu_source_prefix + '''
2034       #include <sys/socket.h>
2035       #include <linux/ip.h>''')
2036 endif
2037 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2038
2039 have_netmap = false
2040 if get_option('netmap').allowed() and have_system
2041   have_netmap = cc.compiles('''
2042     #include <inttypes.h>
2043     #include <net/if.h>
2044     #include <net/netmap.h>
2045     #include <net/netmap_user.h>
2046     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2047     #error
2048     #endif
2049     int main(void) { return 0; }''')
2050   if not have_netmap and get_option('netmap').enabled()
2051     error('Netmap headers not available')
2052   endif
2053 endif
2054 config_host_data.set('CONFIG_NETMAP', have_netmap)
2055
2056 # Work around a system header bug with some kernel/XFS header
2057 # versions where they both try to define 'struct fsxattr':
2058 # xfs headers will not try to redefine structs from linux headers
2059 # if this macro is set.
2060 config_host_data.set('HAVE_FSXATTR', cc.links('''
2061   #include <linux/fs.h>
2062   struct fsxattr foo;
2063   int main(void) {
2064     return 0;
2065   }'''))
2066
2067 # Some versions of Mac OS X incorrectly define SIZE_MAX
2068 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2069     #include <stdint.h>
2070     #include <stdio.h>
2071     int main(int argc, char *argv[]) {
2072         return printf("%zu", SIZE_MAX);
2073     }''', args: ['-Werror']))
2074
2075 atomic_test = '''
2076   #include <stdint.h>
2077   int main(void)
2078   {
2079     @0@ x = 0, y = 0;
2080     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2081     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2082     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2083     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2084     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2085     return 0;
2086   }'''
2087
2088 # See if 64-bit atomic operations are supported.
2089 # Note that without __atomic builtins, we can only
2090 # assume atomic loads/stores max at pointer size.
2091 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2092
2093 has_int128 = cc.links('''
2094   __int128_t a;
2095   __uint128_t b;
2096   int main (void) {
2097     a = a + b;
2098     b = a * b;
2099     a = a * a;
2100     return 0;
2101   }''')
2102
2103 config_host_data.set('CONFIG_INT128', has_int128)
2104
2105 if has_int128
2106   # "do we have 128-bit atomics which are handled inline and specifically not
2107   # via libatomic". The reason we can't use libatomic is documented in the
2108   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2109   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2110
2111   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2112
2113   if not has_atomic128
2114     has_cmpxchg128 = cc.links('''
2115       int main(void)
2116       {
2117         unsigned __int128 x = 0, y = 0;
2118         __sync_val_compare_and_swap_16(&x, y, x);
2119         return 0;
2120       }
2121     ''')
2122
2123     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2124   endif
2125 endif
2126
2127 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2128   #include <sys/auxv.h>
2129   int main(void) {
2130     return getauxval(AT_HWCAP) == 0;
2131   }'''))
2132
2133 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2134   #include <linux/usbdevice_fs.h>
2135
2136   #ifndef USBDEVFS_GET_CAPABILITIES
2137   #error "USBDEVFS_GET_CAPABILITIES undefined"
2138   #endif
2139
2140   #ifndef USBDEVFS_DISCONNECT_CLAIM
2141   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2142   #endif
2143
2144   int main(void) { return 0; }'''))
2145
2146 have_keyring = get_option('keyring') \
2147   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2148   .require(cc.compiles('''
2149     #include <errno.h>
2150     #include <asm/unistd.h>
2151     #include <linux/keyctl.h>
2152     #include <sys/syscall.h>
2153     #include <unistd.h>
2154     int main(void) {
2155         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2156     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2157 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2158
2159 have_cpuid_h = cc.links('''
2160   #include <cpuid.h>
2161   int main(void) {
2162     unsigned a, b, c, d;
2163     unsigned max = __get_cpuid_max(0, 0);
2164
2165     if (max >= 1) {
2166         __cpuid(1, a, b, c, d);
2167     }
2168
2169     if (max >= 7) {
2170         __cpuid_count(7, 0, a, b, c, d);
2171     }
2172
2173     return 0;
2174   }''')
2175 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2176
2177 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2178   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2179   .require(cc.links('''
2180     #pragma GCC push_options
2181     #pragma GCC target("avx2")
2182     #include <cpuid.h>
2183     #include <immintrin.h>
2184     static int bar(void *a) {
2185       __m256i x = *(__m256i *)a;
2186       return _mm256_testz_si256(x, x);
2187     }
2188     int main(int argc, char *argv[]) { return bar(argv[0]); }
2189   '''), error_message: 'AVX2 not available').allowed())
2190
2191 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2192   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2193   .require(cc.links('''
2194     #pragma GCC push_options
2195     #pragma GCC target("avx512f")
2196     #include <cpuid.h>
2197     #include <immintrin.h>
2198     static int bar(void *a) {
2199       __m512i x = *(__m512i *)a;
2200       return _mm512_test_epi64_mask(x, x);
2201     }
2202     int main(int argc, char *argv[]) { return bar(argv[0]); }
2203   '''), error_message: 'AVX512F not available').allowed())
2204
2205 have_pvrdma = get_option('pvrdma') \
2206   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2207   .require(cc.compiles(gnu_source_prefix + '''
2208     #include <sys/mman.h>
2209     int main(void)
2210     {
2211       char buf = 0;
2212       void *addr = &buf;
2213       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2214
2215       return 0;
2216     }'''), error_message: 'PVRDMA requires mremap').allowed()
2217
2218 if have_pvrdma
2219   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2220     #include <infiniband/verbs.h>
2221     int main(void)
2222     {
2223       struct ibv_mr *mr;
2224       struct ibv_pd *pd = NULL;
2225       size_t length = 10;
2226       uint64_t iova = 0;
2227       int access = 0;
2228       void *addr = NULL;
2229
2230       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2231       ibv_dereg_mr(mr);
2232       return 0;
2233     }'''))
2234 endif
2235
2236 if get_option('membarrier').disabled()
2237   have_membarrier = false
2238 elif targetos == 'windows'
2239   have_membarrier = true
2240 elif targetos == 'linux'
2241   have_membarrier = cc.compiles('''
2242     #include <linux/membarrier.h>
2243     #include <sys/syscall.h>
2244     #include <unistd.h>
2245     #include <stdlib.h>
2246     int main(void) {
2247         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2248         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2249         exit(0);
2250     }''')
2251 endif
2252 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2253   .require(have_membarrier, error_message: 'membarrier system call not available') \
2254   .allowed())
2255
2256 have_afalg = get_option('crypto_afalg') \
2257   .require(cc.compiles(gnu_source_prefix + '''
2258     #include <errno.h>
2259     #include <sys/types.h>
2260     #include <sys/socket.h>
2261     #include <linux/if_alg.h>
2262     int main(void) {
2263       int sock;
2264       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2265       return sock;
2266     }
2267   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2268 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2269
2270 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2271   'linux/vm_sockets.h', 'AF_VSOCK',
2272   prefix: '#include <sys/socket.h>',
2273 ))
2274
2275 have_vss = false
2276 have_vss_sdk = false # old xp/2003 SDK
2277 if targetos == 'windows' and link_language == 'cpp'
2278   have_vss = cxx.compiles('''
2279     #define __MIDL_user_allocate_free_DEFINED__
2280     #include <vss.h>
2281     int main(void) { return VSS_CTX_BACKUP; }''')
2282   have_vss_sdk = cxx.has_header('vscoordint.h')
2283 endif
2284 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2285
2286 foreach k, v: config_host
2287   if k.startswith('CONFIG_')
2288     config_host_data.set(k, v == 'y' ? 1 : v)
2289   endif
2290 endforeach
2291
2292 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2293 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2294 if targetos == 'windows'
2295   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2296     #include <stdio.h>
2297     int main(void) {
2298       _lock_file(NULL);
2299       _unlock_file(NULL);
2300       return 0;
2301     }''', name: '_lock_file and _unlock_file'))
2302 endif
2303
2304 ########################
2305 # Target configuration #
2306 ########################
2307
2308 minikconf = find_program('scripts/minikconf.py')
2309 config_all = {}
2310 config_all_devices = {}
2311 config_all_disas = {}
2312 config_devices_mak_list = []
2313 config_devices_h = {}
2314 config_target_h = {}
2315 config_target_mak = {}
2316
2317 disassemblers = {
2318   'alpha' : ['CONFIG_ALPHA_DIS'],
2319   'arm' : ['CONFIG_ARM_DIS'],
2320   'avr' : ['CONFIG_AVR_DIS'],
2321   'cris' : ['CONFIG_CRIS_DIS'],
2322   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2323   'hppa' : ['CONFIG_HPPA_DIS'],
2324   'i386' : ['CONFIG_I386_DIS'],
2325   'x86_64' : ['CONFIG_I386_DIS'],
2326   'm68k' : ['CONFIG_M68K_DIS'],
2327   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2328   'mips' : ['CONFIG_MIPS_DIS'],
2329   'nios2' : ['CONFIG_NIOS2_DIS'],
2330   'or1k' : ['CONFIG_OPENRISC_DIS'],
2331   'ppc' : ['CONFIG_PPC_DIS'],
2332   'riscv' : ['CONFIG_RISCV_DIS'],
2333   'rx' : ['CONFIG_RX_DIS'],
2334   's390' : ['CONFIG_S390_DIS'],
2335   'sh4' : ['CONFIG_SH4_DIS'],
2336   'sparc' : ['CONFIG_SPARC_DIS'],
2337   'xtensa' : ['CONFIG_XTENSA_DIS'],
2338 }
2339 if link_language == 'cpp'
2340   disassemblers += {
2341     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2342     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2343     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2344   }
2345 endif
2346
2347 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2348 host_kconfig = \
2349   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2350   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2351   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2352   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2353   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2354   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2355   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2356   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2357   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2358   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2359   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2360   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2361   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2362
2363 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2364
2365 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2366 actual_target_dirs = []
2367 fdt_required = []
2368 foreach target : target_dirs
2369   config_target = { 'TARGET_NAME': target.split('-')[0] }
2370   if target.endswith('linux-user')
2371     if targetos != 'linux'
2372       if default_targets
2373         continue
2374       endif
2375       error('Target @0@ is only available on a Linux host'.format(target))
2376     endif
2377     config_target += { 'CONFIG_LINUX_USER': 'y' }
2378   elif target.endswith('bsd-user')
2379     if 'CONFIG_BSD' not in config_host
2380       if default_targets
2381         continue
2382       endif
2383       error('Target @0@ is only available on a BSD host'.format(target))
2384     endif
2385     config_target += { 'CONFIG_BSD_USER': 'y' }
2386   elif target.endswith('softmmu')
2387     config_target += { 'CONFIG_SOFTMMU': 'y' }
2388   endif
2389   if target.endswith('-user')
2390     config_target += {
2391       'CONFIG_USER_ONLY': 'y',
2392       'CONFIG_QEMU_INTERP_PREFIX':
2393         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2394     }
2395   endif
2396
2397   accel_kconfig = []
2398   foreach sym: accelerators
2399     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2400       config_target += { sym: 'y' }
2401       config_all += { sym: 'y' }
2402       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2403         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2404       endif
2405       if target in modular_tcg
2406         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2407       else
2408         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2409       endif
2410       accel_kconfig += [ sym + '=y' ]
2411     endif
2412   endforeach
2413   if accel_kconfig.length() == 0
2414     if default_targets
2415       continue
2416     endif
2417     error('No accelerator available for target @0@'.format(target))
2418   endif
2419
2420   actual_target_dirs += target
2421   config_target += keyval.load('configs/targets' / target + '.mak')
2422   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2423
2424   if 'TARGET_NEED_FDT' in config_target
2425     fdt_required += target
2426   endif
2427
2428   # Add default keys
2429   if 'TARGET_BASE_ARCH' not in config_target
2430     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2431   endif
2432   if 'TARGET_ABI_DIR' not in config_target
2433     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2434   endif
2435   if 'TARGET_BIG_ENDIAN' not in config_target
2436     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2437   endif
2438
2439   foreach k, v: disassemblers
2440     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2441       foreach sym: v
2442         config_target += { sym: 'y' }
2443         config_all_disas += { sym: 'y' }
2444       endforeach
2445     endif
2446   endforeach
2447
2448   config_target_data = configuration_data()
2449   foreach k, v: config_target
2450     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2451       # do nothing
2452     elif ignored.contains(k)
2453       # do nothing
2454     elif k == 'TARGET_BASE_ARCH'
2455       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2456       # not used to select files from sourcesets.
2457       config_target_data.set('TARGET_' + v.to_upper(), 1)
2458     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2459       config_target_data.set_quoted(k, v)
2460     elif v == 'y'
2461       config_target_data.set(k, 1)
2462     elif v == 'n'
2463       config_target_data.set(k, 0)
2464     else
2465       config_target_data.set(k, v)
2466     endif
2467   endforeach
2468   config_target_data.set('QEMU_ARCH',
2469                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2470   config_target_h += {target: configure_file(output: target + '-config-target.h',
2471                                                configuration: config_target_data)}
2472
2473   if target.endswith('-softmmu')
2474     config_input = meson.get_external_property(target, 'default')
2475     config_devices_mak = target + '-config-devices.mak'
2476     config_devices_mak = configure_file(
2477       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2478       output: config_devices_mak,
2479       depfile: config_devices_mak + '.d',
2480       capture: true,
2481       command: [minikconf,
2482                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2483                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2484                 host_kconfig, accel_kconfig,
2485                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2486
2487     config_devices_data = configuration_data()
2488     config_devices = keyval.load(config_devices_mak)
2489     foreach k, v: config_devices
2490       config_devices_data.set(k, 1)
2491     endforeach
2492     config_devices_mak_list += config_devices_mak
2493     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2494                                                 configuration: config_devices_data)}
2495     config_target += config_devices
2496     config_all_devices += config_devices
2497   endif
2498   config_target_mak += {target: config_target}
2499 endforeach
2500 target_dirs = actual_target_dirs
2501
2502 # This configuration is used to build files that are shared by
2503 # multiple binaries, and then extracted out of the "common"
2504 # static_library target.
2505 #
2506 # We do not use all_sources()/all_dependencies(), because it would
2507 # build literally all source files, including devices only used by
2508 # targets that are not built for this compilation.  The CONFIG_ALL
2509 # pseudo symbol replaces it.
2510
2511 config_all += config_all_devices
2512 config_all += config_host
2513 config_all += config_all_disas
2514 config_all += {
2515   'CONFIG_XEN': xen.found(),
2516   'CONFIG_SOFTMMU': have_system,
2517   'CONFIG_USER_ONLY': have_user,
2518   'CONFIG_ALL': true,
2519 }
2520
2521 target_configs_h = []
2522 foreach target: target_dirs
2523   target_configs_h += config_target_h[target]
2524   target_configs_h += config_devices_h.get(target, [])
2525 endforeach
2526 genh += custom_target('config-poison.h',
2527                       input: [target_configs_h],
2528                       output: 'config-poison.h',
2529                       capture: true,
2530                       command: [find_program('scripts/make-config-poison.sh'),
2531                                 target_configs_h])
2532
2533 ##############
2534 # Submodules #
2535 ##############
2536
2537 capstone = not_found
2538 if not get_option('capstone').auto() or have_system or have_user
2539   capstone = dependency('capstone', version: '>=3.0.5',
2540                         kwargs: static_kwargs, method: 'pkg-config',
2541                         required: get_option('capstone'))
2542
2543   # Some versions of capstone have broken pkg-config file
2544   # that reports a wrong -I path, causing the #include to
2545   # fail later. If the system has such a broken version
2546   # do not use it.
2547   if capstone.found() and not cc.compiles('#include <capstone.h>',
2548                                           dependencies: [capstone])
2549     capstone = not_found
2550     if get_option('capstone').enabled()
2551       error('capstone requested, but it does not appear to work')
2552     endif
2553   endif
2554 endif
2555
2556 slirp = not_found
2557 slirp_opt = 'disabled'
2558 if have_system
2559   slirp_opt = get_option('slirp')
2560   if slirp_opt in ['enabled', 'auto', 'system']
2561     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2562     slirp_dep_required = (slirp_opt == 'system' or
2563                           slirp_opt == 'enabled' and not have_internal)
2564     slirp = dependency('slirp', kwargs: static_kwargs,
2565                        method: 'pkg-config', version: '>=4.1.0',
2566                        required: slirp_dep_required)
2567     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2568     # it passes function pointers within libslirp as callbacks for timers.
2569     # When using a system-wide shared libslirp, the type information for the
2570     # callback is missing and the timer call produces a false positive with CFI.
2571     # Do not use the "version" keyword argument to produce a better error.
2572     # with control-flow integrity.
2573     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2574       if slirp_dep_required
2575         error('Control-Flow Integrity requires libslirp 4.7.')
2576       else
2577         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2578         slirp = not_found
2579       endif
2580     endif
2581     if slirp.found()
2582       slirp_opt = 'system'
2583     elif have_internal
2584       slirp_opt = 'internal'
2585     else
2586       slirp_opt = 'disabled'
2587     endif
2588   endif
2589   if slirp_opt == 'internal'
2590     slirp_deps = []
2591     if targetos == 'windows'
2592       slirp_deps = cc.find_library('iphlpapi')
2593     elif targetos == 'darwin'
2594       slirp_deps = cc.find_library('resolv')
2595     endif
2596     slirp_conf = configuration_data()
2597     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2598     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2599     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2600     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2601     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2602     slirp_files = [
2603       'slirp/src/arp_table.c',
2604       'slirp/src/bootp.c',
2605       'slirp/src/cksum.c',
2606       'slirp/src/dhcpv6.c',
2607       'slirp/src/dnssearch.c',
2608       'slirp/src/if.c',
2609       'slirp/src/ip6_icmp.c',
2610       'slirp/src/ip6_input.c',
2611       'slirp/src/ip6_output.c',
2612       'slirp/src/ip_icmp.c',
2613       'slirp/src/ip_input.c',
2614       'slirp/src/ip_output.c',
2615       'slirp/src/mbuf.c',
2616       'slirp/src/misc.c',
2617       'slirp/src/ncsi.c',
2618       'slirp/src/ndp_table.c',
2619       'slirp/src/sbuf.c',
2620       'slirp/src/slirp.c',
2621       'slirp/src/socket.c',
2622       'slirp/src/state.c',
2623       'slirp/src/stream.c',
2624       'slirp/src/tcp_input.c',
2625       'slirp/src/tcp_output.c',
2626       'slirp/src/tcp_subr.c',
2627       'slirp/src/tcp_timer.c',
2628       'slirp/src/tftp.c',
2629       'slirp/src/udp.c',
2630       'slirp/src/udp6.c',
2631       'slirp/src/util.c',
2632       'slirp/src/version.c',
2633       'slirp/src/vmstate.c',
2634     ]
2635
2636     configure_file(
2637       input : 'slirp/src/libslirp-version.h.in',
2638       output : 'libslirp-version.h',
2639       configuration: slirp_conf)
2640
2641     slirp_inc = include_directories('slirp', 'slirp/src')
2642     libslirp = static_library('slirp',
2643                               build_by_default: false,
2644                               sources: slirp_files,
2645                               c_args: slirp_cargs,
2646                               include_directories: slirp_inc)
2647     slirp = declare_dependency(link_with: libslirp,
2648                                dependencies: slirp_deps,
2649                                include_directories: slirp_inc)
2650   endif
2651 endif
2652
2653 fdt = not_found
2654 if have_system
2655   fdt_opt = get_option('fdt')
2656   if fdt_opt in ['enabled', 'auto', 'system']
2657     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2658     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2659                           required: fdt_opt == 'system' or
2660                                     fdt_opt == 'enabled' and not have_internal)
2661     if fdt.found() and cc.links('''
2662        #include <libfdt.h>
2663        #include <libfdt_env.h>
2664        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2665          dependencies: fdt)
2666       fdt_opt = 'system'
2667     elif fdt_opt == 'system'
2668        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2669     elif have_internal
2670       fdt_opt = 'internal'
2671     else
2672       fdt_opt = 'disabled'
2673       fdt = not_found
2674     endif
2675   endif
2676   if fdt_opt == 'internal'
2677     fdt_files = files(
2678       'dtc/libfdt/fdt.c',
2679       'dtc/libfdt/fdt_ro.c',
2680       'dtc/libfdt/fdt_wip.c',
2681       'dtc/libfdt/fdt_sw.c',
2682       'dtc/libfdt/fdt_rw.c',
2683       'dtc/libfdt/fdt_strerror.c',
2684       'dtc/libfdt/fdt_empty_tree.c',
2685       'dtc/libfdt/fdt_addresses.c',
2686       'dtc/libfdt/fdt_overlay.c',
2687       'dtc/libfdt/fdt_check.c',
2688     )
2689
2690     fdt_inc = include_directories('dtc/libfdt')
2691     libfdt = static_library('fdt',
2692                             build_by_default: false,
2693                             sources: fdt_files,
2694                             include_directories: fdt_inc)
2695     fdt = declare_dependency(link_with: libfdt,
2696                              include_directories: fdt_inc)
2697   endif
2698 else
2699   fdt_opt = 'disabled'
2700 endif
2701 if not fdt.found() and fdt_required.length() > 0
2702   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2703 endif
2704
2705 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2706 config_host_data.set('CONFIG_FDT', fdt.found())
2707 config_host_data.set('CONFIG_SLIRP', slirp.found())
2708
2709 #####################
2710 # Generated sources #
2711 #####################
2712
2713 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2714
2715 hxtool = find_program('scripts/hxtool')
2716 shaderinclude = find_program('scripts/shaderinclude.pl')
2717 qapi_gen = find_program('scripts/qapi-gen.py')
2718 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2719                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2720                      meson.current_source_dir() / 'scripts/qapi/common.py',
2721                      meson.current_source_dir() / 'scripts/qapi/error.py',
2722                      meson.current_source_dir() / 'scripts/qapi/events.py',
2723                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2724                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2725                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2726                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2727                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2728                      meson.current_source_dir() / 'scripts/qapi/source.py',
2729                      meson.current_source_dir() / 'scripts/qapi/types.py',
2730                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2731                      meson.current_source_dir() / 'scripts/qapi/common.py',
2732                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2733 ]
2734
2735 tracetool = [
2736   python, files('scripts/tracetool.py'),
2737    '--backend=' + ','.join(get_option('trace_backends'))
2738 ]
2739 tracetool_depends = files(
2740   'scripts/tracetool/backend/log.py',
2741   'scripts/tracetool/backend/__init__.py',
2742   'scripts/tracetool/backend/dtrace.py',
2743   'scripts/tracetool/backend/ftrace.py',
2744   'scripts/tracetool/backend/simple.py',
2745   'scripts/tracetool/backend/syslog.py',
2746   'scripts/tracetool/backend/ust.py',
2747   'scripts/tracetool/format/ust_events_c.py',
2748   'scripts/tracetool/format/ust_events_h.py',
2749   'scripts/tracetool/format/__init__.py',
2750   'scripts/tracetool/format/d.py',
2751   'scripts/tracetool/format/simpletrace_stap.py',
2752   'scripts/tracetool/format/c.py',
2753   'scripts/tracetool/format/h.py',
2754   'scripts/tracetool/format/log_stap.py',
2755   'scripts/tracetool/format/stap.py',
2756   'scripts/tracetool/__init__.py',
2757   'scripts/tracetool/transform.py',
2758   'scripts/tracetool/vcpu.py'
2759 )
2760
2761 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2762                     meson.current_source_dir(),
2763                     get_option('pkgversion'), meson.project_version()]
2764 qemu_version = custom_target('qemu-version.h',
2765                              output: 'qemu-version.h',
2766                              command: qemu_version_cmd,
2767                              capture: true,
2768                              build_by_default: true,
2769                              build_always_stale: true)
2770 genh += qemu_version
2771
2772 hxdep = []
2773 hx_headers = [
2774   ['qemu-options.hx', 'qemu-options.def'],
2775   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2776 ]
2777 if have_system
2778   hx_headers += [
2779     ['hmp-commands.hx', 'hmp-commands.h'],
2780     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2781   ]
2782 endif
2783 foreach d : hx_headers
2784   hxdep += custom_target(d[1],
2785                 input: files(d[0]),
2786                 output: d[1],
2787                 capture: true,
2788                 build_by_default: true, # to be removed when added to a target
2789                 command: [hxtool, '-h', '@INPUT0@'])
2790 endforeach
2791 genh += hxdep
2792
2793 ###################
2794 # Collect sources #
2795 ###################
2796
2797 authz_ss = ss.source_set()
2798 blockdev_ss = ss.source_set()
2799 block_ss = ss.source_set()
2800 chardev_ss = ss.source_set()
2801 common_ss = ss.source_set()
2802 crypto_ss = ss.source_set()
2803 hwcore_ss = ss.source_set()
2804 io_ss = ss.source_set()
2805 qmp_ss = ss.source_set()
2806 qom_ss = ss.source_set()
2807 softmmu_ss = ss.source_set()
2808 specific_fuzz_ss = ss.source_set()
2809 specific_ss = ss.source_set()
2810 stub_ss = ss.source_set()
2811 trace_ss = ss.source_set()
2812 user_ss = ss.source_set()
2813 util_ss = ss.source_set()
2814
2815 # accel modules
2816 qtest_module_ss = ss.source_set()
2817 tcg_module_ss = ss.source_set()
2818
2819 modules = {}
2820 target_modules = {}
2821 hw_arch = {}
2822 target_arch = {}
2823 target_softmmu_arch = {}
2824 target_user_arch = {}
2825
2826 ###############
2827 # Trace files #
2828 ###############
2829
2830 # TODO: add each directory to the subdirs from its own meson.build, once
2831 # we have those
2832 trace_events_subdirs = [
2833   'crypto',
2834   'qapi',
2835   'qom',
2836   'monitor',
2837   'util',
2838 ]
2839 if have_linux_user
2840   trace_events_subdirs += [ 'linux-user' ]
2841 endif
2842 if have_bsd_user
2843   trace_events_subdirs += [ 'bsd-user' ]
2844 endif
2845 if have_block
2846   trace_events_subdirs += [
2847     'authz',
2848     'block',
2849     'io',
2850     'nbd',
2851     'scsi',
2852   ]
2853 endif
2854 if have_system
2855   trace_events_subdirs += [
2856     'accel/kvm',
2857     'audio',
2858     'backends',
2859     'backends/tpm',
2860     'chardev',
2861     'ebpf',
2862     'hw/9pfs',
2863     'hw/acpi',
2864     'hw/adc',
2865     'hw/alpha',
2866     'hw/arm',
2867     'hw/audio',
2868     'hw/block',
2869     'hw/block/dataplane',
2870     'hw/char',
2871     'hw/display',
2872     'hw/dma',
2873     'hw/hyperv',
2874     'hw/i2c',
2875     'hw/i386',
2876     'hw/i386/xen',
2877     'hw/ide',
2878     'hw/input',
2879     'hw/intc',
2880     'hw/isa',
2881     'hw/mem',
2882     'hw/mips',
2883     'hw/misc',
2884     'hw/misc/macio',
2885     'hw/net',
2886     'hw/net/can',
2887     'hw/nubus',
2888     'hw/nvme',
2889     'hw/nvram',
2890     'hw/pci',
2891     'hw/pci-host',
2892     'hw/ppc',
2893     'hw/rdma',
2894     'hw/rdma/vmw',
2895     'hw/rtc',
2896     'hw/s390x',
2897     'hw/scsi',
2898     'hw/sd',
2899     'hw/sh4',
2900     'hw/sparc',
2901     'hw/sparc64',
2902     'hw/ssi',
2903     'hw/timer',
2904     'hw/tpm',
2905     'hw/usb',
2906     'hw/vfio',
2907     'hw/virtio',
2908     'hw/watchdog',
2909     'hw/xen',
2910     'hw/gpio',
2911     'migration',
2912     'net',
2913     'softmmu',
2914     'ui',
2915     'hw/remote',
2916   ]
2917 endif
2918 if have_system or have_user
2919   trace_events_subdirs += [
2920     'accel/tcg',
2921     'hw/core',
2922     'target/arm',
2923     'target/arm/hvf',
2924     'target/hppa',
2925     'target/i386',
2926     'target/i386/kvm',
2927     'target/mips/tcg',
2928     'target/nios2',
2929     'target/ppc',
2930     'target/riscv',
2931     'target/s390x',
2932     'target/s390x/kvm',
2933     'target/sparc',
2934   ]
2935 endif
2936
2937 vhost_user = not_found
2938 if targetos == 'linux' and have_vhost_user
2939   libvhost_user = subproject('libvhost-user')
2940   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2941 endif
2942
2943 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2944 # that is filled in by qapi/.
2945 subdir('qapi')
2946 subdir('qobject')
2947 subdir('stubs')
2948 subdir('trace')
2949 subdir('util')
2950 subdir('qom')
2951 subdir('authz')
2952 subdir('crypto')
2953 subdir('ui')
2954 subdir('hw')
2955
2956
2957 if enable_modules
2958   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2959   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2960 endif
2961
2962 qom_ss = qom_ss.apply(config_host, strict: false)
2963 libqom = static_library('qom', qom_ss.sources() + genh,
2964                         dependencies: [qom_ss.dependencies()],
2965                         name_suffix: 'fa')
2966 qom = declare_dependency(link_whole: libqom)
2967
2968 event_loop_base = files('event-loop-base.c')
2969 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
2970                                  build_by_default: true)
2971 event_loop_base = declare_dependency(link_whole: event_loop_base,
2972                                      dependencies: [qom])
2973
2974 stub_ss = stub_ss.apply(config_all, strict: false)
2975
2976 util_ss.add_all(trace_ss)
2977 util_ss = util_ss.apply(config_all, strict: false)
2978 libqemuutil = static_library('qemuutil',
2979                              sources: util_ss.sources() + stub_ss.sources() + genh,
2980                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2981 qemuutil = declare_dependency(link_with: libqemuutil,
2982                               sources: genh + version_res,
2983                               dependencies: [event_loop_base])
2984
2985 if have_system or have_user
2986   decodetree = generator(find_program('scripts/decodetree.py'),
2987                          output: 'decode-@BASENAME@.c.inc',
2988                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2989   subdir('libdecnumber')
2990   subdir('target')
2991 endif
2992
2993 subdir('audio')
2994 subdir('io')
2995 subdir('chardev')
2996 subdir('fsdev')
2997 subdir('dump')
2998
2999 if have_block
3000   block_ss.add(files(
3001     'block.c',
3002     'blockjob.c',
3003     'job.c',
3004     'qemu-io-cmds.c',
3005   ))
3006   if config_host_data.get('CONFIG_REPLICATION')
3007     block_ss.add(files('replication.c'))
3008   endif
3009
3010   subdir('nbd')
3011   subdir('scsi')
3012   subdir('block')
3013
3014   blockdev_ss.add(files(
3015     'blockdev.c',
3016     'blockdev-nbd.c',
3017     'iothread.c',
3018     'job-qmp.c',
3019   ), gnutls)
3020
3021   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3022   # os-win32.c does not
3023   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3024   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3025 endif
3026
3027 common_ss.add(files('cpus-common.c'))
3028
3029 subdir('softmmu')
3030
3031 common_ss.add(capstone)
3032 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3033
3034 # Work around a gcc bug/misfeature wherein constant propagation looks
3035 # through an alias:
3036 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3037 # to guess that a const variable is always zero.  Without lto, this is
3038 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3039 # without lto, not even the alias is required -- we simply use different
3040 # declarations in different compilation units.
3041 pagevary = files('page-vary-common.c')
3042 if get_option('b_lto')
3043   pagevary_flags = ['-fno-lto']
3044   if get_option('cfi')
3045     pagevary_flags += '-fno-sanitize=cfi-icall'
3046   endif
3047   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3048                             c_args: pagevary_flags)
3049   pagevary = declare_dependency(link_with: pagevary)
3050 endif
3051 common_ss.add(pagevary)
3052 specific_ss.add(files('page-vary.c'))
3053
3054 subdir('backends')
3055 subdir('disas')
3056 subdir('migration')
3057 subdir('monitor')
3058 subdir('net')
3059 subdir('replay')
3060 subdir('semihosting')
3061 subdir('tcg')
3062 subdir('fpu')
3063 subdir('accel')
3064 subdir('plugins')
3065 subdir('ebpf')
3066
3067 common_user_inc = []
3068
3069 subdir('common-user')
3070 subdir('bsd-user')
3071 subdir('linux-user')
3072
3073 # needed for fuzzing binaries
3074 subdir('tests/qtest/libqos')
3075 subdir('tests/qtest/fuzz')
3076
3077 # accel modules
3078 tcg_real_module_ss = ss.source_set()
3079 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3080 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3081 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3082                                 'tcg': tcg_real_module_ss }}
3083
3084 ########################
3085 # Library dependencies #
3086 ########################
3087
3088 modinfo_collect = find_program('scripts/modinfo-collect.py')
3089 modinfo_generate = find_program('scripts/modinfo-generate.py')
3090 modinfo_files = []
3091
3092 block_mods = []
3093 softmmu_mods = []
3094 foreach d, list : modules
3095   foreach m, module_ss : list
3096     if enable_modules and targetos != 'windows'
3097       module_ss = module_ss.apply(config_all, strict: false)
3098       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3099                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3100       if d == 'block'
3101         block_mods += sl
3102       else
3103         softmmu_mods += sl
3104       endif
3105       if module_ss.sources() != []
3106         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3107         # input. Sources can be used multiple times but objects are
3108         # unique when it comes to lookup in compile_commands.json.
3109         # Depnds on a mesion version with
3110         # https://github.com/mesonbuild/meson/pull/8900
3111         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3112                                        output: d + '-' + m + '.modinfo',
3113                                        input: module_ss.sources() + genh,
3114                                        capture: true,
3115                                        command: [modinfo_collect, module_ss.sources()])
3116       endif
3117     else
3118       if d == 'block'
3119         block_ss.add_all(module_ss)
3120       else
3121         softmmu_ss.add_all(module_ss)
3122       endif
3123     endif
3124   endforeach
3125 endforeach
3126
3127 foreach d, list : target_modules
3128   foreach m, module_ss : list
3129     if enable_modules and targetos != 'windows'
3130       foreach target : target_dirs
3131         if target.endswith('-softmmu')
3132           config_target = config_target_mak[target]
3133           config_target += config_host
3134           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3135           c_args = ['-DNEED_CPU_H',
3136                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3137                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3138           target_module_ss = module_ss.apply(config_target, strict: false)
3139           if target_module_ss.sources() != []
3140             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3141             sl = static_library(module_name,
3142                                 [genh, target_module_ss.sources()],
3143                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3144                                 include_directories: target_inc,
3145                                 c_args: c_args,
3146                                 pic: true)
3147             softmmu_mods += sl
3148             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3149             modinfo_files += custom_target(module_name + '.modinfo',
3150                                            output: module_name + '.modinfo',
3151                                            input: target_module_ss.sources() + genh,
3152                                            capture: true,
3153                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3154           endif
3155         endif
3156       endforeach
3157     else
3158       specific_ss.add_all(module_ss)
3159     endif
3160   endforeach
3161 endforeach
3162
3163 if enable_modules
3164   modinfo_src = custom_target('modinfo.c',
3165                               output: 'modinfo.c',
3166                               input: modinfo_files,
3167                               command: [modinfo_generate, '@INPUT@'],
3168                               capture: true)
3169   modinfo_lib = static_library('modinfo', modinfo_src)
3170   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3171   softmmu_ss.add(modinfo_dep)
3172 endif
3173
3174 nm = find_program('nm')
3175 undefsym = find_program('scripts/undefsym.py')
3176 block_syms = custom_target('block.syms', output: 'block.syms',
3177                              input: [libqemuutil, block_mods],
3178                              capture: true,
3179                              command: [undefsym, nm, '@INPUT@'])
3180 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3181                              input: [libqemuutil, softmmu_mods],
3182                              capture: true,
3183                              command: [undefsym, nm, '@INPUT@'])
3184
3185 authz_ss = authz_ss.apply(config_host, strict: false)
3186 libauthz = static_library('authz', authz_ss.sources() + genh,
3187                           dependencies: [authz_ss.dependencies()],
3188                           name_suffix: 'fa',
3189                           build_by_default: false)
3190
3191 authz = declare_dependency(link_whole: libauthz,
3192                            dependencies: qom)
3193
3194 crypto_ss = crypto_ss.apply(config_host, strict: false)
3195 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3196                            dependencies: [crypto_ss.dependencies()],
3197                            name_suffix: 'fa',
3198                            build_by_default: false)
3199
3200 crypto = declare_dependency(link_whole: libcrypto,
3201                             dependencies: [authz, qom])
3202
3203 io_ss = io_ss.apply(config_host, strict: false)
3204 libio = static_library('io', io_ss.sources() + genh,
3205                        dependencies: [io_ss.dependencies()],
3206                        link_with: libqemuutil,
3207                        name_suffix: 'fa',
3208                        build_by_default: false)
3209
3210 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3211
3212 libmigration = static_library('migration', sources: migration_files + genh,
3213                               name_suffix: 'fa',
3214                               build_by_default: false)
3215 migration = declare_dependency(link_with: libmigration,
3216                                dependencies: [zlib, qom, io])
3217 softmmu_ss.add(migration)
3218
3219 block_ss = block_ss.apply(config_host, strict: false)
3220 libblock = static_library('block', block_ss.sources() + genh,
3221                           dependencies: block_ss.dependencies(),
3222                           link_depends: block_syms,
3223                           name_suffix: 'fa',
3224                           build_by_default: false)
3225
3226 block = declare_dependency(link_whole: [libblock],
3227                            link_args: '@block.syms',
3228                            dependencies: [crypto, io])
3229
3230 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3231 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3232                              dependencies: blockdev_ss.dependencies(),
3233                              name_suffix: 'fa',
3234                              build_by_default: false)
3235
3236 blockdev = declare_dependency(link_whole: [libblockdev],
3237                               dependencies: [block, event_loop_base])
3238
3239 qmp_ss = qmp_ss.apply(config_host, strict: false)
3240 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3241                         dependencies: qmp_ss.dependencies(),
3242                         name_suffix: 'fa',
3243                         build_by_default: false)
3244
3245 qmp = declare_dependency(link_whole: [libqmp])
3246
3247 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3248                             name_suffix: 'fa',
3249                             dependencies: chardev_ss.dependencies(),
3250                             build_by_default: false)
3251
3252 chardev = declare_dependency(link_whole: libchardev)
3253
3254 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3255 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3256                            name_suffix: 'fa',
3257                            build_by_default: false)
3258 hwcore = declare_dependency(link_whole: libhwcore)
3259 common_ss.add(hwcore)
3260
3261 ###########
3262 # Targets #
3263 ###########
3264
3265 emulator_modules = []
3266 foreach m : block_mods + softmmu_mods
3267   emulator_modules += shared_module(m.name(),
3268                 build_by_default: true,
3269                 name_prefix: '',
3270                 link_whole: m,
3271                 install: true,
3272                 install_dir: qemu_moddir)
3273 endforeach
3274
3275 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3276 common_ss.add(qom, qemuutil)
3277
3278 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3279 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3280
3281 common_all = common_ss.apply(config_all, strict: false)
3282 common_all = static_library('common',
3283                             build_by_default: false,
3284                             sources: common_all.sources() + genh,
3285                             include_directories: common_user_inc,
3286                             implicit_include_directories: false,
3287                             dependencies: common_all.dependencies(),
3288                             name_suffix: 'fa')
3289
3290 feature_to_c = find_program('scripts/feature_to_c.sh')
3291
3292 if targetos == 'darwin'
3293   entitlement = find_program('scripts/entitlement.sh')
3294 endif
3295
3296 emulators = {}
3297 foreach target : target_dirs
3298   config_target = config_target_mak[target]
3299   target_name = config_target['TARGET_NAME']
3300   target_base_arch = config_target['TARGET_BASE_ARCH']
3301   arch_srcs = [config_target_h[target]]
3302   arch_deps = []
3303   c_args = ['-DNEED_CPU_H',
3304             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3305             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3306   link_args = emulator_link_args
3307
3308   config_target += config_host
3309   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3310   if targetos == 'linux'
3311     target_inc += include_directories('linux-headers', is_system: true)
3312   endif
3313   if target.endswith('-softmmu')
3314     qemu_target_name = 'qemu-system-' + target_name
3315     target_type='system'
3316     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3317     arch_srcs += t.sources()
3318     arch_deps += t.dependencies()
3319
3320     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3321     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3322     arch_srcs += hw.sources()
3323     arch_deps += hw.dependencies()
3324
3325     arch_srcs += config_devices_h[target]
3326     link_args += ['@block.syms', '@qemu.syms']
3327   else
3328     abi = config_target['TARGET_ABI_DIR']
3329     target_type='user'
3330     target_inc += common_user_inc
3331     qemu_target_name = 'qemu-' + target_name
3332     if target_base_arch in target_user_arch
3333       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3334       arch_srcs += t.sources()
3335       arch_deps += t.dependencies()
3336     endif
3337     if 'CONFIG_LINUX_USER' in config_target
3338       base_dir = 'linux-user'
3339     endif
3340     if 'CONFIG_BSD_USER' in config_target
3341       base_dir = 'bsd-user'
3342       target_inc += include_directories('bsd-user/' / targetos)
3343       target_inc += include_directories('bsd-user/host/' / host_arch)
3344       dir = base_dir / abi
3345       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3346     endif
3347     target_inc += include_directories(
3348       base_dir,
3349       base_dir / abi,
3350     )
3351     if 'CONFIG_LINUX_USER' in config_target
3352       dir = base_dir / abi
3353       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3354       if config_target.has_key('TARGET_SYSTBL_ABI')
3355         arch_srcs += \
3356           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3357                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3358       endif
3359     endif
3360   endif
3361
3362   if 'TARGET_XML_FILES' in config_target
3363     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3364                                 output: target + '-gdbstub-xml.c',
3365                                 input: files(config_target['TARGET_XML_FILES'].split()),
3366                                 command: [feature_to_c, '@INPUT@'],
3367                                 capture: true)
3368     arch_srcs += gdbstub_xml
3369   endif
3370
3371   t = target_arch[target_base_arch].apply(config_target, strict: false)
3372   arch_srcs += t.sources()
3373   arch_deps += t.dependencies()
3374
3375   target_common = common_ss.apply(config_target, strict: false)
3376   objects = common_all.extract_objects(target_common.sources())
3377   deps = target_common.dependencies()
3378
3379   target_specific = specific_ss.apply(config_target, strict: false)
3380   arch_srcs += target_specific.sources()
3381   arch_deps += target_specific.dependencies()
3382
3383   lib = static_library('qemu-' + target,
3384                  sources: arch_srcs + genh,
3385                  dependencies: arch_deps,
3386                  objects: objects,
3387                  include_directories: target_inc,
3388                  c_args: c_args,
3389                  build_by_default: false,
3390                  name_suffix: 'fa')
3391
3392   if target.endswith('-softmmu')
3393     execs = [{
3394       'name': 'qemu-system-' + target_name,
3395       'win_subsystem': 'console',
3396       'sources': files('softmmu/main.c'),
3397       'dependencies': []
3398     }]
3399     if targetos == 'windows' and (sdl.found() or gtk.found())
3400       execs += [{
3401         'name': 'qemu-system-' + target_name + 'w',
3402         'win_subsystem': 'windows',
3403         'sources': files('softmmu/main.c'),
3404         'dependencies': []
3405       }]
3406     endif
3407     if get_option('fuzzing')
3408       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3409       execs += [{
3410         'name': 'qemu-fuzz-' + target_name,
3411         'win_subsystem': 'console',
3412         'sources': specific_fuzz.sources(),
3413         'dependencies': specific_fuzz.dependencies(),
3414       }]
3415     endif
3416   else
3417     execs = [{
3418       'name': 'qemu-' + target_name,
3419       'win_subsystem': 'console',
3420       'sources': [],
3421       'dependencies': []
3422     }]
3423   endif
3424   foreach exe: execs
3425     exe_name = exe['name']
3426     if targetos == 'darwin'
3427       exe_name += '-unsigned'
3428     endif
3429
3430     emulator = executable(exe_name, exe['sources'],
3431                install: true,
3432                c_args: c_args,
3433                dependencies: arch_deps + deps + exe['dependencies'],
3434                objects: lib.extract_all_objects(recursive: true),
3435                link_language: link_language,
3436                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3437                link_args: link_args,
3438                win_subsystem: exe['win_subsystem'])
3439
3440     if targetos == 'darwin'
3441       icon = 'pc-bios/qemu.rsrc'
3442       build_input = [emulator, files(icon)]
3443       install_input = [
3444         get_option('bindir') / exe_name,
3445         meson.current_source_dir() / icon
3446       ]
3447       if 'CONFIG_HVF' in config_target
3448         entitlements = 'accel/hvf/entitlements.plist'
3449         build_input += files(entitlements)
3450         install_input += meson.current_source_dir() / entitlements
3451       endif
3452
3453       emulators += {exe['name'] : custom_target(exe['name'],
3454                    input: build_input,
3455                    output: exe['name'],
3456                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3457       }
3458
3459       meson.add_install_script(entitlement, '--install',
3460                                get_option('bindir') / exe['name'],
3461                                install_input)
3462     else
3463       emulators += {exe['name']: emulator}
3464     endif
3465
3466     if stap.found()
3467       foreach stp: [
3468         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3469         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3470         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3471         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3472       ]
3473         custom_target(exe['name'] + stp['ext'],
3474                       input: trace_events_all,
3475                       output: exe['name'] + stp['ext'],
3476                       install: stp['install'],
3477                       install_dir: get_option('datadir') / 'systemtap/tapset',
3478                       command: [
3479                         tracetool, '--group=all', '--format=' + stp['fmt'],
3480                         '--binary=' + stp['bin'],
3481                         '--target-name=' + target_name,
3482                         '--target-type=' + target_type,
3483                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3484                         '@INPUT@', '@OUTPUT@'
3485                       ],
3486                       depend_files: tracetool_depends)
3487       endforeach
3488     endif
3489   endforeach
3490 endforeach
3491
3492 # Other build targets
3493
3494 if 'CONFIG_PLUGIN' in config_host
3495   install_headers('include/qemu/qemu-plugin.h')
3496 endif
3497
3498 subdir('qga')
3499
3500 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3501 # when we don't build tools or system
3502 if xkbcommon.found()
3503   # used for the update-keymaps target, so include rules even if !have_tools
3504   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3505                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3506 endif
3507
3508 if have_tools
3509   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3510              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3511   qemu_io = executable('qemu-io', files('qemu-io.c'),
3512              dependencies: [block, qemuutil], install: true)
3513   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3514                dependencies: [blockdev, qemuutil, gnutls, selinux],
3515                install: true)
3516
3517   subdir('storage-daemon')
3518   subdir('contrib/rdmacm-mux')
3519   subdir('contrib/elf2dmp')
3520
3521   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3522              dependencies: qemuutil,
3523              install: true)
3524
3525   if have_vhost_user
3526     subdir('contrib/vhost-user-blk')
3527     subdir('contrib/vhost-user-gpu')
3528     subdir('contrib/vhost-user-input')
3529     subdir('contrib/vhost-user-scsi')
3530   endif
3531
3532   if targetos == 'linux'
3533     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3534                dependencies: [qemuutil, libcap_ng],
3535                install: true,
3536                install_dir: get_option('libexecdir'))
3537
3538     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3539                dependencies: [authz, crypto, io, qom, qemuutil,
3540                               libcap_ng, mpathpersist],
3541                install: true)
3542   endif
3543
3544   if have_ivshmem
3545     subdir('contrib/ivshmem-client')
3546     subdir('contrib/ivshmem-server')
3547   endif
3548 endif
3549
3550 subdir('scripts')
3551 subdir('tools')
3552 subdir('pc-bios')
3553 subdir('docs')
3554 subdir('tests')
3555 if gtk.found()
3556   subdir('po')
3557 endif
3558
3559 if host_machine.system() == 'windows'
3560   nsis_cmd = [
3561     find_program('scripts/nsis.py'),
3562     '@OUTPUT@',
3563     get_option('prefix'),
3564     meson.current_source_dir(),
3565     host_machine.cpu(),
3566     '--',
3567     '-DDISPLAYVERSION=' + meson.project_version(),
3568   ]
3569   if build_docs
3570     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3571   endif
3572   if gtk.found()
3573     nsis_cmd += '-DCONFIG_GTK=y'
3574   endif
3575
3576   nsis = custom_target('nsis',
3577                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3578                        input: files('qemu.nsi'),
3579                        build_always_stale: true,
3580                        command: nsis_cmd + ['@INPUT@'])
3581   alias_target('installer', nsis)
3582 endif
3583
3584 #########################
3585 # Configuration summary #
3586 #########################
3587
3588 # Directories
3589 summary_info = {}
3590 summary_info += {'Install prefix':    get_option('prefix')}
3591 summary_info += {'BIOS directory':    qemu_datadir}
3592 summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3593 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3594 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3595 summary_info += {'module directory':  qemu_moddir}
3596 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3597 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3598 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3599 if targetos != 'windows'
3600   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3601   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3602 else
3603   summary_info += {'local state directory': 'queried at runtime'}
3604 endif
3605 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3606 summary_info += {'Build directory':   meson.current_build_dir()}
3607 summary_info += {'Source path':       meson.current_source_dir()}
3608 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3609 summary(summary_info, bool_yn: true, section: 'Directories')
3610
3611 # Host binaries
3612 summary_info = {}
3613 summary_info += {'git':               config_host['GIT']}
3614 summary_info += {'make':              config_host['MAKE']}
3615 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3616 summary_info += {'sphinx-build':      sphinx_build}
3617 if config_host.has_key('HAVE_GDB_BIN')
3618   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3619 endif
3620 summary_info += {'iasl':              iasl}
3621 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3622 if targetos == 'windows' and have_ga
3623   summary_info += {'wixl':            wixl}
3624 endif
3625 if slirp_opt != 'disabled' and have_system
3626   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3627 endif
3628 summary(summary_info, bool_yn: true, section: 'Host binaries')
3629
3630 # Configurable features
3631 summary_info = {}
3632 summary_info += {'Documentation':     build_docs}
3633 summary_info += {'system-mode emulation': have_system}
3634 summary_info += {'user-mode emulation': have_user}
3635 summary_info += {'block layer':       have_block}
3636 summary_info += {'Install blobs':     get_option('install_blobs')}
3637 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3638 if config_host.has_key('CONFIG_MODULES')
3639   summary_info += {'alternative module path': get_option('module_upgrades')}
3640 endif
3641 summary_info += {'fuzzing support':   get_option('fuzzing')}
3642 if have_system
3643   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3644 endif
3645 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3646 if 'simple' in get_option('trace_backends')
3647   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3648 endif
3649 summary_info += {'D-Bus display':     dbus_display}
3650 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3651 summary_info += {'vhost-kernel support': have_vhost_kernel}
3652 summary_info += {'vhost-net support': have_vhost_net}
3653 summary_info += {'vhost-user support': have_vhost_user}
3654 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3655 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3656 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3657 summary_info += {'build guest agent': have_ga}
3658 summary(summary_info, bool_yn: true, section: 'Configurable features')
3659
3660 # Compilation information
3661 summary_info = {}
3662 summary_info += {'host CPU':          cpu}
3663 summary_info += {'host endianness':   build_machine.endian()}
3664 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3665 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3666 if link_language == 'cpp'
3667   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3668 else
3669   summary_info += {'C++ compiler':      false}
3670 endif
3671 if targetos == 'darwin'
3672   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3673 endif
3674 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3675                                                + ['-O' + get_option('optimization')]
3676                                                + (get_option('debug') ? ['-g'] : []))}
3677 if link_language == 'cpp'
3678   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3679                                                + ['-O' + get_option('optimization')]
3680                                                + (get_option('debug') ? ['-g'] : []))}
3681 endif
3682 if targetos == 'darwin'
3683   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3684                                                + ['-O' + get_option('optimization')]
3685                                                + (get_option('debug') ? ['-g'] : []))}
3686 endif
3687 link_args = get_option(link_language + '_link_args')
3688 if link_args.length() > 0
3689   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3690 endif
3691 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3692 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3693 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3694 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3695 summary_info += {'profiler':          get_option('profiler')}
3696 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3697 summary_info += {'PIE':               get_option('b_pie')}
3698 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3699 summary_info += {'malloc trim support': has_malloc_trim}
3700 summary_info += {'membarrier':        have_membarrier}
3701 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3702 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3703 summary_info += {'memory allocator':  get_option('malloc')}
3704 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3705 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3706 summary_info += {'gprof enabled':     get_option('gprof')}
3707 summary_info += {'gcov':              get_option('b_coverage')}
3708 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3709 summary_info += {'CFI support':       get_option('cfi')}
3710 if get_option('cfi')
3711   summary_info += {'CFI debug support': get_option('cfi_debug')}
3712 endif
3713 summary_info += {'strip binaries':    get_option('strip')}
3714 summary_info += {'sparse':            sparse}
3715 summary_info += {'mingw32 support':   targetos == 'windows'}
3716
3717 # snarf the cross-compilation information for tests
3718 foreach target: target_dirs
3719   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3720   if fs.exists(tcg_mak)
3721     config_cross_tcg = keyval.load(tcg_mak)
3722     target = config_cross_tcg['TARGET_NAME']
3723     compiler = ''
3724     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3725       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3726                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3727     elif 'CROSS_CC_GUEST' in config_cross_tcg
3728       summary_info += {target + ' tests'
3729                                 : config_cross_tcg['CROSS_CC_GUEST'] }
3730     endif
3731    endif
3732 endforeach
3733
3734 summary(summary_info, bool_yn: true, section: 'Compilation')
3735
3736 # Targets and accelerators
3737 summary_info = {}
3738 if have_system
3739   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3740   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3741   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3742   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3743   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3744   summary_info += {'Xen support':       xen.found()}
3745   if xen.found()
3746     summary_info += {'xen ctrl version':  xen.version()}
3747   endif
3748 endif
3749 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3750 if config_all.has_key('CONFIG_TCG')
3751   if get_option('tcg_interpreter')
3752     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3753   else
3754     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3755   endif
3756   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3757   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3758 endif
3759 summary_info += {'target list':       ' '.join(target_dirs)}
3760 if have_system
3761   summary_info += {'default devices':   get_option('default_devices')}
3762   summary_info += {'out of process emulation': multiprocess_allowed}
3763 endif
3764 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3765
3766 # Block layer
3767 summary_info = {}
3768 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3769 summary_info += {'coroutine pool':    have_coroutine_pool}
3770 if have_block
3771   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3772   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3773   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3774   summary_info += {'VirtFS support':    have_virtfs}
3775   summary_info += {'build virtiofs daemon': have_virtiofsd}
3776   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3777   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3778   summary_info += {'bochs support':     get_option('bochs').allowed()}
3779   summary_info += {'cloop support':     get_option('cloop').allowed()}
3780   summary_info += {'dmg support':       get_option('dmg').allowed()}
3781   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3782   summary_info += {'vdi support':       get_option('vdi').allowed()}
3783   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3784   summary_info += {'qed support':       get_option('qed').allowed()}
3785   summary_info += {'parallels support': get_option('parallels').allowed()}
3786   summary_info += {'FUSE exports':      fuse}
3787 endif
3788 summary(summary_info, bool_yn: true, section: 'Block layer support')
3789
3790 # Crypto
3791 summary_info = {}
3792 summary_info += {'TLS priority':      get_option('tls_priority')}
3793 summary_info += {'GNUTLS support':    gnutls}
3794 if gnutls.found()
3795   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3796 endif
3797 summary_info += {'libgcrypt':         gcrypt}
3798 summary_info += {'nettle':            nettle}
3799 if nettle.found()
3800    summary_info += {'  XTS':             xts != 'private'}
3801 endif
3802 summary_info += {'AF_ALG support':    have_afalg}
3803 summary_info += {'rng-none':          get_option('rng_none')}
3804 summary_info += {'Linux keyring':     have_keyring}
3805 summary(summary_info, bool_yn: true, section: 'Crypto')
3806
3807 # Libraries
3808 summary_info = {}
3809 if targetos == 'darwin'
3810   summary_info += {'Cocoa support':           cocoa}
3811   summary_info += {'vmnet.framework support': vmnet}
3812 endif
3813 summary_info += {'SDL support':       sdl}
3814 summary_info += {'SDL image support': sdl_image}
3815 summary_info += {'GTK support':       gtk}
3816 summary_info += {'pixman':            pixman}
3817 summary_info += {'VTE support':       vte}
3818 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3819 summary_info += {'libtasn1':          tasn1}
3820 summary_info += {'PAM':               pam}
3821 summary_info += {'iconv support':     iconv}
3822 summary_info += {'curses support':    curses}
3823 summary_info += {'virgl support':     virgl}
3824 summary_info += {'curl support':      curl}
3825 summary_info += {'Multipath support': mpathpersist}
3826 summary_info += {'PNG support':       png}
3827 summary_info += {'VNC support':       vnc}
3828 if vnc.found()
3829   summary_info += {'VNC SASL support':  sasl}
3830   summary_info += {'VNC JPEG support':  jpeg}
3831 endif
3832 if targetos not in ['darwin', 'haiku', 'windows']
3833   summary_info += {'OSS support':     oss}
3834 elif targetos == 'darwin'
3835   summary_info += {'CoreAudio support': coreaudio}
3836 elif targetos == 'windows'
3837   summary_info += {'DirectSound support': dsound}
3838 endif
3839 if targetos == 'linux'
3840   summary_info += {'ALSA support':    alsa}
3841   summary_info += {'PulseAudio support': pulse}
3842 endif
3843 summary_info += {'JACK support':      jack}
3844 summary_info += {'brlapi support':    brlapi}
3845 summary_info += {'vde support':       vde}
3846 summary_info += {'netmap support':    have_netmap}
3847 summary_info += {'l2tpv3 support':    have_l2tpv3}
3848 summary_info += {'Linux AIO support': libaio}
3849 summary_info += {'Linux io_uring support': linux_io_uring}
3850 summary_info += {'ATTR/XATTR support': libattr}
3851 summary_info += {'RDMA support':      rdma}
3852 summary_info += {'PVRDMA support':    have_pvrdma}
3853 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3854 summary_info += {'libcap-ng support': libcap_ng}
3855 summary_info += {'bpf support':       libbpf}
3856 summary_info += {'spice protocol support': spice_protocol}
3857 if spice_protocol.found()
3858   summary_info += {'  spice server support': spice}
3859 endif
3860 summary_info += {'rbd support':       rbd}
3861 summary_info += {'smartcard support': cacard}
3862 summary_info += {'U2F support':       u2f}
3863 summary_info += {'libusb':            libusb}
3864 summary_info += {'usb net redir':     usbredir}
3865 summary_info += {'OpenGL support (epoxy)': opengl}
3866 summary_info += {'GBM':               gbm}
3867 summary_info += {'libiscsi support':  libiscsi}
3868 summary_info += {'libnfs support':    libnfs}
3869 if targetos == 'windows'
3870   if have_ga
3871     summary_info += {'QGA VSS support':   have_qga_vss}
3872   endif
3873 endif
3874 summary_info += {'seccomp support':   seccomp}
3875 summary_info += {'GlusterFS support': glusterfs}
3876 summary_info += {'TPM support':       have_tpm}
3877 summary_info += {'libssh support':    libssh}
3878 summary_info += {'lzo support':       lzo}
3879 summary_info += {'snappy support':    snappy}
3880 summary_info += {'bzip2 support':     libbzip2}
3881 summary_info += {'lzfse support':     liblzfse}
3882 summary_info += {'zstd support':      zstd}
3883 summary_info += {'NUMA host support': numa}
3884 summary_info += {'capstone':          capstone}
3885 summary_info += {'libpmem support':   libpmem}
3886 summary_info += {'libdaxctl support': libdaxctl}
3887 summary_info += {'libudev':           libudev}
3888 # Dummy dependency, keep .found()
3889 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3890 summary_info += {'selinux':           selinux}
3891 summary(summary_info, bool_yn: true, section: 'Dependencies')
3892
3893 if not supported_cpus.contains(cpu)
3894   message()
3895   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3896   message()
3897   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3898   message('The QEMU project intends to remove support for this host CPU in')
3899   message('a future release if nobody volunteers to maintain it and to')
3900   message('provide a build host for our continuous integration setup.')
3901   message('configure has succeeded and you can continue to build, but')
3902   message('if you care about QEMU on this platform you should contact')
3903   message('us upstream at qemu-devel@nongnu.org.')
3904 endif
3905
3906 if not supported_oses.contains(targetos)
3907   message()
3908   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3909   message()
3910   message('Host OS ' + targetos + 'support is not currently maintained.')
3911   message('The QEMU project intends to remove support for this host OS in')
3912   message('a future release if nobody volunteers to maintain it and to')
3913   message('provide a build host for our continuous integration setup.')
3914   message('configure has succeeded and you can continue to build, but')
3915   message('if you care about QEMU on this platform you should contact')
3916   message('us upstream at qemu-devel@nongnu.org.')
3917 endif