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 hogweed = not_found
1125 xts = 'none'
1126
1127 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1128   error('Only one of gcrypt & nettle can be enabled')
1129 endif
1130
1131 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1132 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1133   gnutls_crypto = not_found
1134 endif
1135
1136 if not gnutls_crypto.found()
1137   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1138     gcrypt = dependency('libgcrypt', version: '>=1.8',
1139                         method: 'config-tool',
1140                         required: get_option('gcrypt'),
1141                         kwargs: static_kwargs)
1142     # Debian has removed -lgpg-error from libgcrypt-config
1143     # as it "spreads unnecessary dependencies" which in
1144     # turn breaks static builds...
1145     if gcrypt.found() and enable_static
1146       gcrypt = declare_dependency(dependencies: [
1147         gcrypt,
1148         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1149     endif
1150   endif
1151   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1152     nettle = dependency('nettle', version: '>=3.4',
1153                         method: 'pkg-config',
1154                         required: get_option('nettle'),
1155                         kwargs: static_kwargs)
1156     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1157       xts = 'private'
1158     endif
1159   endif
1160 endif
1161
1162 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1163 if nettle.found() and gmp.found()
1164   hogweed = dependency('hogweed', version: '>=3.4',
1165                        method: 'pkg-config',
1166                        required: get_option('nettle'),
1167                        kwargs: static_kwargs)
1168 endif
1169
1170
1171 gtk = not_found
1172 gtkx11 = not_found
1173 vte = not_found
1174 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1175   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1176                    method: 'pkg-config',
1177                    required: get_option('gtk'),
1178                    kwargs: static_kwargs)
1179   if gtk.found()
1180     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1181                         method: 'pkg-config',
1182                         required: false,
1183                         kwargs: static_kwargs)
1184     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1185
1186     if not get_option('vte').auto() or have_system
1187       vte = dependency('vte-2.91',
1188                        method: 'pkg-config',
1189                        required: get_option('vte'),
1190                        kwargs: static_kwargs)
1191     endif
1192   endif
1193 endif
1194
1195 x11 = not_found
1196 if gtkx11.found()
1197   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1198                    kwargs: static_kwargs)
1199 endif
1200 png = not_found
1201 if get_option('png').allowed() and have_system
1202    png = dependency('libpng', required: get_option('png'),
1203                     method: 'pkg-config', kwargs: static_kwargs)
1204 endif
1205 vnc = not_found
1206 jpeg = not_found
1207 sasl = not_found
1208 if get_option('vnc').allowed() and have_system
1209   vnc = declare_dependency() # dummy dependency
1210   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1211                     method: 'pkg-config', kwargs: static_kwargs)
1212   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1213                          required: get_option('vnc_sasl'),
1214                          kwargs: static_kwargs)
1215   if sasl.found()
1216     sasl = declare_dependency(dependencies: sasl,
1217                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1218   endif
1219 endif
1220
1221 pam = not_found
1222 if not get_option('auth_pam').auto() or have_system
1223   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1224                         required: get_option('auth_pam'),
1225                         kwargs: static_kwargs)
1226 endif
1227 if pam.found() and not cc.links('''
1228    #include <stddef.h>
1229    #include <security/pam_appl.h>
1230    int main(void) {
1231      const char *service_name = "qemu";
1232      const char *user = "frank";
1233      const struct pam_conv pam_conv = { 0 };
1234      pam_handle_t *pamh = NULL;
1235      pam_start(service_name, user, &pam_conv, &pamh);
1236      return 0;
1237    }''', dependencies: pam)
1238   pam = not_found
1239   if get_option('auth_pam').enabled()
1240     error('could not link libpam')
1241   else
1242     warning('could not link libpam, disabling')
1243   endif
1244 endif
1245
1246 snappy = not_found
1247 if not get_option('snappy').auto() or have_system
1248   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1249                            required: get_option('snappy'),
1250                            kwargs: static_kwargs)
1251 endif
1252 if snappy.found() and not linker.links('''
1253    #include <snappy-c.h>
1254    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1255   snappy = not_found
1256   if get_option('snappy').enabled()
1257     error('could not link libsnappy')
1258   else
1259     warning('could not link libsnappy, disabling')
1260   endif
1261 endif
1262
1263 lzo = not_found
1264 if not get_option('lzo').auto() or have_system
1265   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1266                         required: get_option('lzo'),
1267                         kwargs: static_kwargs)
1268 endif
1269 if lzo.found() and not cc.links('''
1270    #include <lzo/lzo1x.h>
1271    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1272   lzo = not_found
1273   if get_option('lzo').enabled()
1274     error('could not link liblzo2')
1275   else
1276     warning('could not link liblzo2, disabling')
1277   endif
1278 endif
1279
1280 numa = not_found
1281 if not get_option('numa').auto() or have_system or have_tools
1282   numa = cc.find_library('numa', has_headers: ['numa.h'],
1283                               required: get_option('numa'),
1284                               kwargs: static_kwargs)
1285 endif
1286 if numa.found() and not cc.links('''
1287    #include <numa.h>
1288    int main(void) { return numa_available(); }
1289    ''', dependencies: numa)
1290   numa = not_found
1291   if get_option('numa').enabled()
1292     error('could not link numa')
1293   else
1294     warning('could not link numa, disabling')
1295   endif
1296 endif
1297
1298 rdma = not_found
1299 if not get_option('rdma').auto() or have_system
1300   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1301   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1302                                required: get_option('rdma'),
1303                                kwargs: static_kwargs),
1304                cc.find_library('ibverbs', required: get_option('rdma'),
1305                                kwargs: static_kwargs),
1306                libumad]
1307   rdma = declare_dependency(dependencies: rdma_libs)
1308   foreach lib: rdma_libs
1309     if not lib.found()
1310       rdma = not_found
1311     endif
1312   endforeach
1313 endif
1314
1315 xen = not_found
1316 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1317   xencontrol = dependency('xencontrol', required: false,
1318                           method: 'pkg-config', kwargs: static_kwargs)
1319   if xencontrol.found()
1320     xen_pc = declare_dependency(version: xencontrol.version(),
1321       dependencies: [
1322         xencontrol,
1323         # disabler: true makes xen_pc.found() return false if any is not found
1324         dependency('xenstore', required: false,
1325                    method: 'pkg-config', kwargs: static_kwargs,
1326                    disabler: true),
1327         dependency('xenforeignmemory', required: false,
1328                    method: 'pkg-config', kwargs: static_kwargs,
1329                    disabler: true),
1330         dependency('xengnttab', required: false,
1331                    method: 'pkg-config', kwargs: static_kwargs,
1332                    disabler: true),
1333         dependency('xenevtchn', required: false,
1334                    method: 'pkg-config', kwargs: static_kwargs,
1335                    disabler: true),
1336         dependency('xendevicemodel', required: false,
1337                    method: 'pkg-config', kwargs: static_kwargs,
1338                    disabler: true),
1339         # optional, no "disabler: true"
1340         dependency('xentoolcore', required: false,
1341                    method: 'pkg-config', kwargs: static_kwargs)])
1342     if xen_pc.found()
1343       xen = xen_pc
1344     endif
1345   endif
1346   if not xen.found()
1347     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' ]
1348     xen_libs = {
1349       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1350       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1351       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1352       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1353       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1354       '4.6.0': [ 'xenstore', 'xenctrl' ],
1355       '4.5.0': [ 'xenstore', 'xenctrl' ],
1356       '4.2.0': [ 'xenstore', 'xenctrl' ],
1357     }
1358     xen_deps = {}
1359     foreach ver: xen_tests
1360       # cache the various library tests to avoid polluting the logs
1361       xen_test_deps = []
1362       foreach l: xen_libs[ver]
1363         if l not in xen_deps
1364           xen_deps += { l: cc.find_library(l, required: false) }
1365         endif
1366         xen_test_deps += xen_deps[l]
1367       endforeach
1368
1369       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1370       xen_version = ver.split('.')
1371       xen_ctrl_version = xen_version[0] + \
1372         ('0' + xen_version[1]).substring(-2) + \
1373         ('0' + xen_version[2]).substring(-2)
1374       if cc.links(files('scripts/xen-detect.c'),
1375                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1376                   dependencies: xen_test_deps)
1377         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1378         break
1379       endif
1380     endforeach
1381   endif
1382   if xen.found()
1383     accelerators += 'CONFIG_XEN'
1384   elif get_option('xen').enabled()
1385     error('could not compile and link Xen test program')
1386   endif
1387 endif
1388 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1389   .require(xen.found(),
1390            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1391   .require(targetos == 'linux',
1392            error_message: 'Xen PCI passthrough not available on this platform') \
1393   .allowed()
1394
1395
1396 cacard = not_found
1397 if not get_option('smartcard').auto() or have_system
1398   cacard = dependency('libcacard', required: get_option('smartcard'),
1399                       version: '>=2.5.1', method: 'pkg-config',
1400                       kwargs: static_kwargs)
1401 endif
1402 u2f = not_found
1403 if have_system
1404   u2f = dependency('u2f-emu', required: get_option('u2f'),
1405                    method: 'pkg-config',
1406                    kwargs: static_kwargs)
1407 endif
1408 usbredir = not_found
1409 if not get_option('usb_redir').auto() or have_system
1410   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1411                         version: '>=0.6', method: 'pkg-config',
1412                         kwargs: static_kwargs)
1413 endif
1414 libusb = not_found
1415 if not get_option('libusb').auto() or have_system
1416   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1417                       version: '>=1.0.13', method: 'pkg-config',
1418                       kwargs: static_kwargs)
1419 endif
1420
1421 libpmem = not_found
1422 if not get_option('libpmem').auto() or have_system
1423   libpmem = dependency('libpmem', required: get_option('libpmem'),
1424                        method: 'pkg-config', kwargs: static_kwargs)
1425 endif
1426 libdaxctl = not_found
1427 if not get_option('libdaxctl').auto() or have_system
1428   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1429                          version: '>=57', method: 'pkg-config',
1430                          kwargs: static_kwargs)
1431 endif
1432 tasn1 = not_found
1433 if gnutls.found()
1434   tasn1 = dependency('libtasn1',
1435                      method: 'pkg-config',
1436                      kwargs: static_kwargs)
1437 endif
1438 keyutils = dependency('libkeyutils', required: false,
1439                       method: 'pkg-config', kwargs: static_kwargs)
1440
1441 has_gettid = cc.has_function('gettid')
1442
1443 # libselinux
1444 selinux = dependency('libselinux',
1445                      required: get_option('selinux'),
1446                      method: 'pkg-config', kwargs: static_kwargs)
1447
1448 # Malloc tests
1449
1450 malloc = []
1451 if get_option('malloc') == 'system'
1452   has_malloc_trim = \
1453     get_option('malloc_trim').allowed() and \
1454     cc.links('''#include <malloc.h>
1455                 int main(void) { malloc_trim(0); return 0; }''')
1456 else
1457   has_malloc_trim = false
1458   malloc = cc.find_library(get_option('malloc'), required: true)
1459 endif
1460 if not has_malloc_trim and get_option('malloc_trim').enabled()
1461   if get_option('malloc') == 'system'
1462     error('malloc_trim not available on this platform.')
1463   else
1464     error('malloc_trim not available with non-libc memory allocator')
1465   endif
1466 endif
1467
1468 # Check whether the glibc provides statx()
1469
1470 gnu_source_prefix = '''
1471   #ifndef _GNU_SOURCE
1472   #define _GNU_SOURCE
1473   #endif
1474 '''
1475 statx_test = gnu_source_prefix + '''
1476   #include <sys/stat.h>
1477   int main(void) {
1478     struct statx statxbuf;
1479     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1480     return 0;
1481   }'''
1482
1483 has_statx = cc.links(statx_test)
1484
1485 # Check whether statx() provides mount ID information
1486
1487 statx_mnt_id_test = gnu_source_prefix + '''
1488   #include <sys/stat.h>
1489   int main(void) {
1490     struct statx statxbuf;
1491     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1492     return statxbuf.stx_mnt_id;
1493   }'''
1494
1495 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1496
1497 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1498   .require(targetos == 'linux',
1499            error_message: 'vhost_user_blk_server requires linux') \
1500   .require(have_vhost_user,
1501            error_message: 'vhost_user_blk_server requires vhost-user support') \
1502   .disable_auto_if(not have_system) \
1503   .allowed()
1504
1505 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1506   error('Cannot enable fuse-lseek while fuse is disabled')
1507 endif
1508
1509 fuse = dependency('fuse3', required: get_option('fuse'),
1510                   version: '>=3.1', method: 'pkg-config',
1511                   kwargs: static_kwargs)
1512
1513 fuse_lseek = not_found
1514 if get_option('fuse_lseek').allowed()
1515   if fuse.version().version_compare('>=3.8')
1516     # Dummy dependency
1517     fuse_lseek = declare_dependency()
1518   elif get_option('fuse_lseek').enabled()
1519     if fuse.found()
1520       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1521     else
1522       error('fuse-lseek requires libfuse, which was not found')
1523     endif
1524   endif
1525 endif
1526
1527 # libbpf
1528 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1529 if libbpf.found() and not cc.links('''
1530    #include <bpf/libbpf.h>
1531    int main(void)
1532    {
1533      bpf_object__destroy_skeleton(NULL);
1534      return 0;
1535    }''', dependencies: libbpf)
1536   libbpf = not_found
1537   if get_option('bpf').enabled()
1538     error('libbpf skeleton test failed')
1539   else
1540     warning('libbpf skeleton test failed, disabling')
1541   endif
1542 endif
1543
1544 #################
1545 # config-host.h #
1546 #################
1547
1548 audio_drivers_selected = []
1549 if have_system
1550   audio_drivers_available = {
1551     'alsa': alsa.found(),
1552     'coreaudio': coreaudio.found(),
1553     'dsound': dsound.found(),
1554     'jack': jack.found(),
1555     'oss': oss.found(),
1556     'pa': pulse.found(),
1557     'sdl': sdl.found(),
1558   }
1559   foreach k, v: audio_drivers_available
1560     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1561   endforeach
1562
1563   # Default to native drivers first, OSS second, SDL third
1564   audio_drivers_priority = \
1565     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1566     (targetos == 'linux' ? [] : [ 'sdl' ])
1567   audio_drivers_default = []
1568   foreach k: audio_drivers_priority
1569     if audio_drivers_available[k]
1570       audio_drivers_default += k
1571     endif
1572   endforeach
1573
1574   foreach k: get_option('audio_drv_list')
1575     if k == 'default'
1576       audio_drivers_selected += audio_drivers_default
1577     elif not audio_drivers_available[k]
1578       error('Audio driver "@0@" not available.'.format(k))
1579     else
1580       audio_drivers_selected += k
1581     endif
1582   endforeach
1583 endif
1584 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1585                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1586
1587 if get_option('cfi')
1588   cfi_flags=[]
1589   # Check for dependency on LTO
1590   if not get_option('b_lto')
1591     error('Selected Control-Flow Integrity but LTO is disabled')
1592   endif
1593   if config_host.has_key('CONFIG_MODULES')
1594     error('Selected Control-Flow Integrity is not compatible with modules')
1595   endif
1596   # Check for cfi flags. CFI requires LTO so we can't use
1597   # get_supported_arguments, but need a more complex "compiles" which allows
1598   # custom arguments
1599   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1600                  args: ['-flto', '-fsanitize=cfi-icall'] )
1601     cfi_flags += '-fsanitize=cfi-icall'
1602   else
1603     error('-fsanitize=cfi-icall is not supported by the compiler')
1604   endif
1605   if cc.compiles('int main () { return 0; }',
1606                  name: '-fsanitize-cfi-icall-generalize-pointers',
1607                  args: ['-flto', '-fsanitize=cfi-icall',
1608                         '-fsanitize-cfi-icall-generalize-pointers'] )
1609     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1610   else
1611     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1612   endif
1613   if get_option('cfi_debug')
1614     if cc.compiles('int main () { return 0; }',
1615                    name: '-fno-sanitize-trap=cfi-icall',
1616                    args: ['-flto', '-fsanitize=cfi-icall',
1617                           '-fno-sanitize-trap=cfi-icall'] )
1618       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1619     else
1620       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1621     endif
1622   endif
1623   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1624   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1625 endif
1626
1627 have_host_block_device = (targetos != 'darwin' or
1628     cc.has_header('IOKit/storage/IOMedia.h'))
1629
1630 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1631 dbus_display = get_option('dbus_display') \
1632   .require(gio.version().version_compare('>=2.64'),
1633            error_message: '-display dbus requires glib>=2.64') \
1634   .require(enable_modules,
1635            error_message: '-display dbus requires --enable-modules') \
1636   .require(gdbus_codegen.found(),
1637            error_message: '-display dbus requires gdbus-codegen') \
1638   .allowed()
1639
1640 have_virtfs = get_option('virtfs') \
1641     .require(targetos == 'linux' or targetos == 'darwin',
1642              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1643     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1644              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1645     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1646              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1647     .disable_auto_if(not have_tools and not have_system) \
1648     .allowed()
1649
1650 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1651
1652 if get_option('block_drv_ro_whitelist') == ''
1653   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1654 else
1655   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1656         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1657 endif
1658 if get_option('block_drv_rw_whitelist') == ''
1659   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1660 else
1661   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1662         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1663 endif
1664
1665 foreach k : get_option('trace_backends')
1666   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1667 endforeach
1668 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1669 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1670 if iasl.found()
1671   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1672 endif
1673 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1674 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1675 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1676 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1677 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1678 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1679 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1680 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1681 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1682 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1683 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1684 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1685
1686 if config_host.has_key('CONFIG_MODULES')
1687   config_host_data.set('CONFIG_STAMP', run_command(
1688       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1689       meson.project_version(), get_option('pkgversion'), '--',
1690       meson.current_source_dir() / 'configure',
1691       capture: true, check: true).stdout().strip())
1692 endif
1693
1694 have_slirp_smbd = get_option('slirp_smbd') \
1695   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1696   .allowed()
1697 if have_slirp_smbd
1698   smbd_path = get_option('smbd')
1699   if smbd_path == ''
1700     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1701   endif
1702   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1703 endif
1704
1705 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1706
1707 if get_option('module_upgrades') and not enable_modules
1708   error('Cannot enable module-upgrades as modules are not enabled')
1709 endif
1710 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1711
1712 config_host_data.set('CONFIG_ATTR', libattr.found())
1713 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1714 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1715 config_host_data.set('CONFIG_COCOA', cocoa.found())
1716 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1717 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1718 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1719 config_host_data.set('CONFIG_LZO', lzo.found())
1720 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1721 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1722 config_host_data.set('CONFIG_CURL', curl.found())
1723 config_host_data.set('CONFIG_CURSES', curses.found())
1724 config_host_data.set('CONFIG_GBM', gbm.found())
1725 config_host_data.set('CONFIG_GIO', gio.found())
1726 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1727 if glusterfs.found()
1728   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1729   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1730   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1731   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1732   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1733   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1734 endif
1735 config_host_data.set('CONFIG_GTK', gtk.found())
1736 config_host_data.set('CONFIG_VTE', vte.found())
1737 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1738 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1739 config_host_data.set('CONFIG_EBPF', libbpf.found())
1740 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1741 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1742 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1743 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1744 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1745 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1746 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1747 config_host_data.set('CONFIG_NUMA', numa.found())
1748 config_host_data.set('CONFIG_OPENGL', opengl.found())
1749 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1750 config_host_data.set('CONFIG_RBD', rbd.found())
1751 config_host_data.set('CONFIG_RDMA', rdma.found())
1752 config_host_data.set('CONFIG_SDL', sdl.found())
1753 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1754 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1755 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1756 config_host_data.set('CONFIG_TPM', have_tpm)
1757 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1758 config_host_data.set('CONFIG_VDE', vde.found())
1759 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1760 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1761 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1762 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1763 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1764 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1765 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1766 config_host_data.set('CONFIG_VMNET', vmnet.found())
1767 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1768 config_host_data.set('CONFIG_PNG', png.found())
1769 config_host_data.set('CONFIG_VNC', vnc.found())
1770 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1771 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1772 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1773 config_host_data.set('CONFIG_VTE', vte.found())
1774 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1775 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1776 config_host_data.set('CONFIG_GETTID', has_gettid)
1777 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1778 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1779 config_host_data.set('CONFIG_TASN1', tasn1.found())
1780 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1781 config_host_data.set('CONFIG_NETTLE', nettle.found())
1782 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1783 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1784 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1785 config_host_data.set('CONFIG_STATX', has_statx)
1786 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1787 config_host_data.set('CONFIG_ZSTD', zstd.found())
1788 config_host_data.set('CONFIG_FUSE', fuse.found())
1789 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1790 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1791 if spice_protocol.found()
1792 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1793 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1794 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1795 endif
1796 config_host_data.set('CONFIG_SPICE', spice.found())
1797 config_host_data.set('CONFIG_X11', x11.found())
1798 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1799 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1800 config_host_data.set('CONFIG_SELINUX', selinux.found())
1801 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1802 if xen.found()
1803   # protect from xen.version() having less than three components
1804   xen_version = xen.version().split('.') + ['0', '0']
1805   xen_ctrl_version = xen_version[0] + \
1806     ('0' + xen_version[1]).substring(-2) + \
1807     ('0' + xen_version[2]).substring(-2)
1808   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1809 endif
1810 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1811 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1812 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1813 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1814
1815 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1816 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1817
1818 have_coroutine_pool = get_option('coroutine_pool')
1819 if get_option('debug_stack_usage') and have_coroutine_pool
1820   message('Disabling coroutine pool to measure stack usage')
1821   have_coroutine_pool = false
1822 endif
1823 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1824 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1825 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1826 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1827 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1828 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1829 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1830
1831 # has_header
1832 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1833 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1834 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1835 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1836 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1837 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1838 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1839 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1840 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1841
1842 # has_function
1843 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1844 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1845 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1846 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1847 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1848 # Note that we need to specify prefix: here to avoid incorrectly
1849 # thinking that Windows has posix_memalign()
1850 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1851 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1852 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1853 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1854 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1855 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1856 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1857 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1858 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1859 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1860 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1861 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1862 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1863 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1864 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1865 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1866 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1867 if rdma.found()
1868   config_host_data.set('HAVE_IBV_ADVISE_MR',
1869                        cc.has_function('ibv_advise_mr',
1870                                        dependencies: rdma,
1871                                        prefix: '#include <infiniband/verbs.h>'))
1872 endif
1873
1874 # has_header_symbol
1875 config_host_data.set('CONFIG_BYTESWAP_H',
1876                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1877 config_host_data.set('CONFIG_EPOLL_CREATE1',
1878                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1879 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1880                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1881                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1882 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1883                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1884 config_host_data.set('CONFIG_FIEMAP',
1885                      cc.has_header('linux/fiemap.h') and
1886                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1887 config_host_data.set('CONFIG_GETRANDOM',
1888                      cc.has_function('getrandom') and
1889                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1890 config_host_data.set('CONFIG_INOTIFY',
1891                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1892 config_host_data.set('CONFIG_INOTIFY1',
1893                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1894 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1895                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1896                                           prefix: '''#include <sys/endian.h>
1897                                                      #include <sys/types.h>'''))
1898 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1899                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1900 config_host_data.set('CONFIG_RTNETLINK',
1901                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1902 config_host_data.set('CONFIG_SYSMACROS',
1903                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1904 config_host_data.set('HAVE_OPTRESET',
1905                      cc.has_header_symbol('getopt.h', 'optreset'))
1906 config_host_data.set('HAVE_IPPROTO_MPTCP',
1907                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1908
1909 # has_member
1910 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1911                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1912                                    prefix: '#include <signal.h>'))
1913 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1914                      cc.has_member('struct stat', 'st_atim',
1915                                    prefix: '#include <sys/stat.h>'))
1916
1917 # has_type
1918 config_host_data.set('CONFIG_IOVEC',
1919                      cc.has_type('struct iovec',
1920                                  prefix: '#include <sys/uio.h>'))
1921 config_host_data.set('HAVE_UTMPX',
1922                      cc.has_type('struct utmpx',
1923                                  prefix: '#include <utmpx.h>'))
1924
1925 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1926   #include <sys/eventfd.h>
1927   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1928 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1929   #include <unistd.h>
1930   int main(void) {
1931   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1932   return fdatasync(0);
1933   #else
1934   #error Not supported
1935   #endif
1936   }'''))
1937
1938 has_madvise = cc.links(gnu_source_prefix + '''
1939   #include <sys/types.h>
1940   #include <sys/mman.h>
1941   #include <stddef.h>
1942   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1943 missing_madvise_proto = false
1944 if has_madvise
1945   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1946   # but forget to prototype it. In this case, has_madvise will be true (the
1947   # test program links despite a compile warning). To detect the
1948   # missing-prototype case, we try again with a definitely-bogus prototype.
1949   # This will only compile if the system headers don't provide the prototype;
1950   # otherwise the conflicting prototypes will cause a compiler error.
1951   missing_madvise_proto = cc.links(gnu_source_prefix + '''
1952     #include <sys/types.h>
1953     #include <sys/mman.h>
1954     #include <stddef.h>
1955     extern int madvise(int);
1956     int main(void) { return madvise(0); }''')
1957 endif
1958 config_host_data.set('CONFIG_MADVISE', has_madvise)
1959 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1960
1961 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1962   #include <sys/mman.h>
1963   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1964 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1965   #include <fcntl.h>
1966   #if !defined(AT_EMPTY_PATH)
1967   # error missing definition
1968   #else
1969   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1970   #endif'''))
1971 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1972   #include <unistd.h>
1973   #include <fcntl.h>
1974
1975   int main(void)
1976   {
1977       int pipefd[2];
1978       return pipe2(pipefd, O_CLOEXEC);
1979   }'''))
1980 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1981   #include <sys/mman.h>
1982   #include <stddef.h>
1983   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1984
1985 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1986   #include <pthread.h>
1987
1988   static void *f(void *p) { return NULL; }
1989   int main(void)
1990   {
1991     pthread_t thread;
1992     pthread_create(&thread, 0, f, 0);
1993     pthread_setname_np(thread, "QEMU");
1994     return 0;
1995   }''', dependencies: threads))
1996 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
1997   #include <pthread.h>
1998
1999   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2000   int main(void)
2001   {
2002     pthread_t thread;
2003     pthread_create(&thread, 0, f, 0);
2004     return 0;
2005   }''', dependencies: threads))
2006 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2007   #include <pthread.h>
2008   #include <time.h>
2009
2010   int main(void)
2011   {
2012     pthread_condattr_t attr
2013     pthread_condattr_init(&attr);
2014     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2015     return 0;
2016   }''', dependencies: threads))
2017
2018 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2019   #include <sys/signalfd.h>
2020   #include <stddef.h>
2021   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2022 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2023   #include <unistd.h>
2024   #include <fcntl.h>
2025   #include <limits.h>
2026
2027   int main(void)
2028   {
2029     int len, fd = 0;
2030     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2031     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2032     return 0;
2033   }'''))
2034
2035 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2036   #include <sys/mman.h>
2037   int main(int argc, char *argv[]) {
2038     return mlockall(MCL_FUTURE);
2039   }'''))
2040
2041 have_l2tpv3 = false
2042 if get_option('l2tpv3').allowed() and have_system
2043   have_l2tpv3 = cc.has_type('struct mmsghdr',
2044     prefix: gnu_source_prefix + '''
2045       #include <sys/socket.h>
2046       #include <linux/ip.h>''')
2047 endif
2048 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2049
2050 have_netmap = false
2051 if get_option('netmap').allowed() and have_system
2052   have_netmap = cc.compiles('''
2053     #include <inttypes.h>
2054     #include <net/if.h>
2055     #include <net/netmap.h>
2056     #include <net/netmap_user.h>
2057     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2058     #error
2059     #endif
2060     int main(void) { return 0; }''')
2061   if not have_netmap and get_option('netmap').enabled()
2062     error('Netmap headers not available')
2063   endif
2064 endif
2065 config_host_data.set('CONFIG_NETMAP', have_netmap)
2066
2067 # Work around a system header bug with some kernel/XFS header
2068 # versions where they both try to define 'struct fsxattr':
2069 # xfs headers will not try to redefine structs from linux headers
2070 # if this macro is set.
2071 config_host_data.set('HAVE_FSXATTR', cc.links('''
2072   #include <linux/fs.h>
2073   struct fsxattr foo;
2074   int main(void) {
2075     return 0;
2076   }'''))
2077
2078 # Some versions of Mac OS X incorrectly define SIZE_MAX
2079 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2080     #include <stdint.h>
2081     #include <stdio.h>
2082     int main(int argc, char *argv[]) {
2083         return printf("%zu", SIZE_MAX);
2084     }''', args: ['-Werror']))
2085
2086 atomic_test = '''
2087   #include <stdint.h>
2088   int main(void)
2089   {
2090     @0@ x = 0, y = 0;
2091     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2092     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2093     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2094     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2095     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2096     return 0;
2097   }'''
2098
2099 # See if 64-bit atomic operations are supported.
2100 # Note that without __atomic builtins, we can only
2101 # assume atomic loads/stores max at pointer size.
2102 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2103
2104 has_int128 = cc.links('''
2105   __int128_t a;
2106   __uint128_t b;
2107   int main (void) {
2108     a = a + b;
2109     b = a * b;
2110     a = a * a;
2111     return 0;
2112   }''')
2113
2114 config_host_data.set('CONFIG_INT128', has_int128)
2115
2116 if has_int128
2117   # "do we have 128-bit atomics which are handled inline and specifically not
2118   # via libatomic". The reason we can't use libatomic is documented in the
2119   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2120   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2121
2122   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2123
2124   if not has_atomic128
2125     has_cmpxchg128 = cc.links('''
2126       int main(void)
2127       {
2128         unsigned __int128 x = 0, y = 0;
2129         __sync_val_compare_and_swap_16(&x, y, x);
2130         return 0;
2131       }
2132     ''')
2133
2134     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2135   endif
2136 endif
2137
2138 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2139   #include <sys/auxv.h>
2140   int main(void) {
2141     return getauxval(AT_HWCAP) == 0;
2142   }'''))
2143
2144 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2145   #include <linux/usbdevice_fs.h>
2146
2147   #ifndef USBDEVFS_GET_CAPABILITIES
2148   #error "USBDEVFS_GET_CAPABILITIES undefined"
2149   #endif
2150
2151   #ifndef USBDEVFS_DISCONNECT_CLAIM
2152   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2153   #endif
2154
2155   int main(void) { return 0; }'''))
2156
2157 have_keyring = get_option('keyring') \
2158   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2159   .require(cc.compiles('''
2160     #include <errno.h>
2161     #include <asm/unistd.h>
2162     #include <linux/keyctl.h>
2163     #include <sys/syscall.h>
2164     #include <unistd.h>
2165     int main(void) {
2166         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2167     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2168 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2169
2170 have_cpuid_h = cc.links('''
2171   #include <cpuid.h>
2172   int main(void) {
2173     unsigned a, b, c, d;
2174     unsigned max = __get_cpuid_max(0, 0);
2175
2176     if (max >= 1) {
2177         __cpuid(1, a, b, c, d);
2178     }
2179
2180     if (max >= 7) {
2181         __cpuid_count(7, 0, a, b, c, d);
2182     }
2183
2184     return 0;
2185   }''')
2186 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2187
2188 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2189   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2190   .require(cc.links('''
2191     #pragma GCC push_options
2192     #pragma GCC target("avx2")
2193     #include <cpuid.h>
2194     #include <immintrin.h>
2195     static int bar(void *a) {
2196       __m256i x = *(__m256i *)a;
2197       return _mm256_testz_si256(x, x);
2198     }
2199     int main(int argc, char *argv[]) { return bar(argv[0]); }
2200   '''), error_message: 'AVX2 not available').allowed())
2201
2202 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2203   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2204   .require(cc.links('''
2205     #pragma GCC push_options
2206     #pragma GCC target("avx512f")
2207     #include <cpuid.h>
2208     #include <immintrin.h>
2209     static int bar(void *a) {
2210       __m512i x = *(__m512i *)a;
2211       return _mm512_test_epi64_mask(x, x);
2212     }
2213     int main(int argc, char *argv[]) { return bar(argv[0]); }
2214   '''), error_message: 'AVX512F not available').allowed())
2215
2216 have_pvrdma = get_option('pvrdma') \
2217   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2218   .require(cc.compiles(gnu_source_prefix + '''
2219     #include <sys/mman.h>
2220     int main(void)
2221     {
2222       char buf = 0;
2223       void *addr = &buf;
2224       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2225
2226       return 0;
2227     }'''), error_message: 'PVRDMA requires mremap').allowed()
2228
2229 if have_pvrdma
2230   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2231     #include <infiniband/verbs.h>
2232     int main(void)
2233     {
2234       struct ibv_mr *mr;
2235       struct ibv_pd *pd = NULL;
2236       size_t length = 10;
2237       uint64_t iova = 0;
2238       int access = 0;
2239       void *addr = NULL;
2240
2241       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2242       ibv_dereg_mr(mr);
2243       return 0;
2244     }'''))
2245 endif
2246
2247 if get_option('membarrier').disabled()
2248   have_membarrier = false
2249 elif targetos == 'windows'
2250   have_membarrier = true
2251 elif targetos == 'linux'
2252   have_membarrier = cc.compiles('''
2253     #include <linux/membarrier.h>
2254     #include <sys/syscall.h>
2255     #include <unistd.h>
2256     #include <stdlib.h>
2257     int main(void) {
2258         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2259         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2260         exit(0);
2261     }''')
2262 endif
2263 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2264   .require(have_membarrier, error_message: 'membarrier system call not available') \
2265   .allowed())
2266
2267 have_afalg = get_option('crypto_afalg') \
2268   .require(cc.compiles(gnu_source_prefix + '''
2269     #include <errno.h>
2270     #include <sys/types.h>
2271     #include <sys/socket.h>
2272     #include <linux/if_alg.h>
2273     int main(void) {
2274       int sock;
2275       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2276       return sock;
2277     }
2278   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2279 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2280
2281 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2282   'linux/vm_sockets.h', 'AF_VSOCK',
2283   prefix: '#include <sys/socket.h>',
2284 ))
2285
2286 have_vss = false
2287 have_vss_sdk = false # old xp/2003 SDK
2288 if targetos == 'windows' and link_language == 'cpp'
2289   have_vss = cxx.compiles('''
2290     #define __MIDL_user_allocate_free_DEFINED__
2291     #include <vss.h>
2292     int main(void) { return VSS_CTX_BACKUP; }''')
2293   have_vss_sdk = cxx.has_header('vscoordint.h')
2294 endif
2295 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2296
2297 foreach k, v: config_host
2298   if k.startswith('CONFIG_')
2299     config_host_data.set(k, v == 'y' ? 1 : v)
2300   endif
2301 endforeach
2302
2303 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2304 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2305 if targetos == 'windows'
2306   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2307     #include <stdio.h>
2308     int main(void) {
2309       _lock_file(NULL);
2310       _unlock_file(NULL);
2311       return 0;
2312     }''', name: '_lock_file and _unlock_file'))
2313 endif
2314
2315 ########################
2316 # Target configuration #
2317 ########################
2318
2319 minikconf = find_program('scripts/minikconf.py')
2320 config_all = {}
2321 config_all_devices = {}
2322 config_all_disas = {}
2323 config_devices_mak_list = []
2324 config_devices_h = {}
2325 config_target_h = {}
2326 config_target_mak = {}
2327
2328 disassemblers = {
2329   'alpha' : ['CONFIG_ALPHA_DIS'],
2330   'arm' : ['CONFIG_ARM_DIS'],
2331   'avr' : ['CONFIG_AVR_DIS'],
2332   'cris' : ['CONFIG_CRIS_DIS'],
2333   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2334   'hppa' : ['CONFIG_HPPA_DIS'],
2335   'i386' : ['CONFIG_I386_DIS'],
2336   'x86_64' : ['CONFIG_I386_DIS'],
2337   'm68k' : ['CONFIG_M68K_DIS'],
2338   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2339   'mips' : ['CONFIG_MIPS_DIS'],
2340   'nios2' : ['CONFIG_NIOS2_DIS'],
2341   'or1k' : ['CONFIG_OPENRISC_DIS'],
2342   'ppc' : ['CONFIG_PPC_DIS'],
2343   'riscv' : ['CONFIG_RISCV_DIS'],
2344   'rx' : ['CONFIG_RX_DIS'],
2345   's390' : ['CONFIG_S390_DIS'],
2346   'sh4' : ['CONFIG_SH4_DIS'],
2347   'sparc' : ['CONFIG_SPARC_DIS'],
2348   'xtensa' : ['CONFIG_XTENSA_DIS'],
2349 }
2350 if link_language == 'cpp'
2351   disassemblers += {
2352     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2353     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2354     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2355   }
2356 endif
2357
2358 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2359 host_kconfig = \
2360   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2361   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2362   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2363   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2364   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2365   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2366   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2367   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2368   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2369   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2370   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2371   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2372   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2373
2374 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2375
2376 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2377 actual_target_dirs = []
2378 fdt_required = []
2379 foreach target : target_dirs
2380   config_target = { 'TARGET_NAME': target.split('-')[0] }
2381   if target.endswith('linux-user')
2382     if targetos != 'linux'
2383       if default_targets
2384         continue
2385       endif
2386       error('Target @0@ is only available on a Linux host'.format(target))
2387     endif
2388     config_target += { 'CONFIG_LINUX_USER': 'y' }
2389   elif target.endswith('bsd-user')
2390     if 'CONFIG_BSD' not in config_host
2391       if default_targets
2392         continue
2393       endif
2394       error('Target @0@ is only available on a BSD host'.format(target))
2395     endif
2396     config_target += { 'CONFIG_BSD_USER': 'y' }
2397   elif target.endswith('softmmu')
2398     config_target += { 'CONFIG_SOFTMMU': 'y' }
2399   endif
2400   if target.endswith('-user')
2401     config_target += {
2402       'CONFIG_USER_ONLY': 'y',
2403       'CONFIG_QEMU_INTERP_PREFIX':
2404         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2405     }
2406   endif
2407
2408   accel_kconfig = []
2409   foreach sym: accelerators
2410     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2411       config_target += { sym: 'y' }
2412       config_all += { sym: 'y' }
2413       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2414         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2415       endif
2416       if target in modular_tcg
2417         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2418       else
2419         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2420       endif
2421       accel_kconfig += [ sym + '=y' ]
2422     endif
2423   endforeach
2424   if accel_kconfig.length() == 0
2425     if default_targets
2426       continue
2427     endif
2428     error('No accelerator available for target @0@'.format(target))
2429   endif
2430
2431   actual_target_dirs += target
2432   config_target += keyval.load('configs/targets' / target + '.mak')
2433   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2434
2435   if 'TARGET_NEED_FDT' in config_target
2436     fdt_required += target
2437   endif
2438
2439   # Add default keys
2440   if 'TARGET_BASE_ARCH' not in config_target
2441     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2442   endif
2443   if 'TARGET_ABI_DIR' not in config_target
2444     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2445   endif
2446   if 'TARGET_BIG_ENDIAN' not in config_target
2447     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2448   endif
2449
2450   foreach k, v: disassemblers
2451     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2452       foreach sym: v
2453         config_target += { sym: 'y' }
2454         config_all_disas += { sym: 'y' }
2455       endforeach
2456     endif
2457   endforeach
2458
2459   config_target_data = configuration_data()
2460   foreach k, v: config_target
2461     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2462       # do nothing
2463     elif ignored.contains(k)
2464       # do nothing
2465     elif k == 'TARGET_BASE_ARCH'
2466       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2467       # not used to select files from sourcesets.
2468       config_target_data.set('TARGET_' + v.to_upper(), 1)
2469     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2470       config_target_data.set_quoted(k, v)
2471     elif v == 'y'
2472       config_target_data.set(k, 1)
2473     elif v == 'n'
2474       config_target_data.set(k, 0)
2475     else
2476       config_target_data.set(k, v)
2477     endif
2478   endforeach
2479   config_target_data.set('QEMU_ARCH',
2480                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2481   config_target_h += {target: configure_file(output: target + '-config-target.h',
2482                                                configuration: config_target_data)}
2483
2484   if target.endswith('-softmmu')
2485     config_input = meson.get_external_property(target, 'default')
2486     config_devices_mak = target + '-config-devices.mak'
2487     config_devices_mak = configure_file(
2488       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2489       output: config_devices_mak,
2490       depfile: config_devices_mak + '.d',
2491       capture: true,
2492       command: [minikconf,
2493                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2494                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2495                 host_kconfig, accel_kconfig,
2496                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2497
2498     config_devices_data = configuration_data()
2499     config_devices = keyval.load(config_devices_mak)
2500     foreach k, v: config_devices
2501       config_devices_data.set(k, 1)
2502     endforeach
2503     config_devices_mak_list += config_devices_mak
2504     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2505                                                 configuration: config_devices_data)}
2506     config_target += config_devices
2507     config_all_devices += config_devices
2508   endif
2509   config_target_mak += {target: config_target}
2510 endforeach
2511 target_dirs = actual_target_dirs
2512
2513 # This configuration is used to build files that are shared by
2514 # multiple binaries, and then extracted out of the "common"
2515 # static_library target.
2516 #
2517 # We do not use all_sources()/all_dependencies(), because it would
2518 # build literally all source files, including devices only used by
2519 # targets that are not built for this compilation.  The CONFIG_ALL
2520 # pseudo symbol replaces it.
2521
2522 config_all += config_all_devices
2523 config_all += config_host
2524 config_all += config_all_disas
2525 config_all += {
2526   'CONFIG_XEN': xen.found(),
2527   'CONFIG_SOFTMMU': have_system,
2528   'CONFIG_USER_ONLY': have_user,
2529   'CONFIG_ALL': true,
2530 }
2531
2532 target_configs_h = []
2533 foreach target: target_dirs
2534   target_configs_h += config_target_h[target]
2535   target_configs_h += config_devices_h.get(target, [])
2536 endforeach
2537 genh += custom_target('config-poison.h',
2538                       input: [target_configs_h],
2539                       output: 'config-poison.h',
2540                       capture: true,
2541                       command: [find_program('scripts/make-config-poison.sh'),
2542                                 target_configs_h])
2543
2544 ##############
2545 # Submodules #
2546 ##############
2547
2548 capstone = not_found
2549 if not get_option('capstone').auto() or have_system or have_user
2550   capstone = dependency('capstone', version: '>=3.0.5',
2551                         kwargs: static_kwargs, method: 'pkg-config',
2552                         required: get_option('capstone'))
2553
2554   # Some versions of capstone have broken pkg-config file
2555   # that reports a wrong -I path, causing the #include to
2556   # fail later. If the system has such a broken version
2557   # do not use it.
2558   if capstone.found() and not cc.compiles('#include <capstone.h>',
2559                                           dependencies: [capstone])
2560     capstone = not_found
2561     if get_option('capstone').enabled()
2562       error('capstone requested, but it does not appear to work')
2563     endif
2564   endif
2565 endif
2566
2567 slirp = not_found
2568 slirp_opt = 'disabled'
2569 if have_system
2570   slirp_opt = get_option('slirp')
2571   if slirp_opt in ['enabled', 'auto', 'system']
2572     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2573     slirp_dep_required = (slirp_opt == 'system' or
2574                           slirp_opt == 'enabled' and not have_internal)
2575     slirp = dependency('slirp', kwargs: static_kwargs,
2576                        method: 'pkg-config', version: '>=4.1.0',
2577                        required: slirp_dep_required)
2578     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2579     # it passes function pointers within libslirp as callbacks for timers.
2580     # When using a system-wide shared libslirp, the type information for the
2581     # callback is missing and the timer call produces a false positive with CFI.
2582     # Do not use the "version" keyword argument to produce a better error.
2583     # with control-flow integrity.
2584     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2585       if slirp_dep_required
2586         error('Control-Flow Integrity requires libslirp 4.7.')
2587       else
2588         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2589         slirp = not_found
2590       endif
2591     endif
2592     if slirp.found()
2593       slirp_opt = 'system'
2594     elif have_internal
2595       slirp_opt = 'internal'
2596     else
2597       slirp_opt = 'disabled'
2598     endif
2599   endif
2600   if slirp_opt == 'internal'
2601     slirp_deps = []
2602     if targetos == 'windows'
2603       slirp_deps = cc.find_library('iphlpapi')
2604     elif targetos == 'darwin'
2605       slirp_deps = cc.find_library('resolv')
2606     endif
2607     slirp_conf = configuration_data()
2608     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2609     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2610     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2611     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2612     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2613     slirp_files = [
2614       'slirp/src/arp_table.c',
2615       'slirp/src/bootp.c',
2616       'slirp/src/cksum.c',
2617       'slirp/src/dhcpv6.c',
2618       'slirp/src/dnssearch.c',
2619       'slirp/src/if.c',
2620       'slirp/src/ip6_icmp.c',
2621       'slirp/src/ip6_input.c',
2622       'slirp/src/ip6_output.c',
2623       'slirp/src/ip_icmp.c',
2624       'slirp/src/ip_input.c',
2625       'slirp/src/ip_output.c',
2626       'slirp/src/mbuf.c',
2627       'slirp/src/misc.c',
2628       'slirp/src/ncsi.c',
2629       'slirp/src/ndp_table.c',
2630       'slirp/src/sbuf.c',
2631       'slirp/src/slirp.c',
2632       'slirp/src/socket.c',
2633       'slirp/src/state.c',
2634       'slirp/src/stream.c',
2635       'slirp/src/tcp_input.c',
2636       'slirp/src/tcp_output.c',
2637       'slirp/src/tcp_subr.c',
2638       'slirp/src/tcp_timer.c',
2639       'slirp/src/tftp.c',
2640       'slirp/src/udp.c',
2641       'slirp/src/udp6.c',
2642       'slirp/src/util.c',
2643       'slirp/src/version.c',
2644       'slirp/src/vmstate.c',
2645     ]
2646
2647     configure_file(
2648       input : 'slirp/src/libslirp-version.h.in',
2649       output : 'libslirp-version.h',
2650       configuration: slirp_conf)
2651
2652     slirp_inc = include_directories('slirp', 'slirp/src')
2653     libslirp = static_library('slirp',
2654                               build_by_default: false,
2655                               sources: slirp_files,
2656                               c_args: slirp_cargs,
2657                               include_directories: slirp_inc)
2658     slirp = declare_dependency(link_with: libslirp,
2659                                dependencies: slirp_deps,
2660                                include_directories: slirp_inc)
2661   endif
2662 endif
2663
2664 fdt = not_found
2665 if have_system
2666   fdt_opt = get_option('fdt')
2667   if fdt_opt in ['enabled', 'auto', 'system']
2668     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2669     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2670                           required: fdt_opt == 'system' or
2671                                     fdt_opt == 'enabled' and not have_internal)
2672     if fdt.found() and cc.links('''
2673        #include <libfdt.h>
2674        #include <libfdt_env.h>
2675        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2676          dependencies: fdt)
2677       fdt_opt = 'system'
2678     elif fdt_opt == 'system'
2679        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2680     elif have_internal
2681       fdt_opt = 'internal'
2682     else
2683       fdt_opt = 'disabled'
2684       fdt = not_found
2685     endif
2686   endif
2687   if fdt_opt == 'internal'
2688     fdt_files = files(
2689       'dtc/libfdt/fdt.c',
2690       'dtc/libfdt/fdt_ro.c',
2691       'dtc/libfdt/fdt_wip.c',
2692       'dtc/libfdt/fdt_sw.c',
2693       'dtc/libfdt/fdt_rw.c',
2694       'dtc/libfdt/fdt_strerror.c',
2695       'dtc/libfdt/fdt_empty_tree.c',
2696       'dtc/libfdt/fdt_addresses.c',
2697       'dtc/libfdt/fdt_overlay.c',
2698       'dtc/libfdt/fdt_check.c',
2699     )
2700
2701     fdt_inc = include_directories('dtc/libfdt')
2702     libfdt = static_library('fdt',
2703                             build_by_default: false,
2704                             sources: fdt_files,
2705                             include_directories: fdt_inc)
2706     fdt = declare_dependency(link_with: libfdt,
2707                              include_directories: fdt_inc)
2708   endif
2709 else
2710   fdt_opt = 'disabled'
2711 endif
2712 if not fdt.found() and fdt_required.length() > 0
2713   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2714 endif
2715
2716 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2717 config_host_data.set('CONFIG_FDT', fdt.found())
2718 config_host_data.set('CONFIG_SLIRP', slirp.found())
2719
2720 #####################
2721 # Generated sources #
2722 #####################
2723
2724 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2725
2726 hxtool = find_program('scripts/hxtool')
2727 shaderinclude = find_program('scripts/shaderinclude.pl')
2728 qapi_gen = find_program('scripts/qapi-gen.py')
2729 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2730                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2731                      meson.current_source_dir() / 'scripts/qapi/common.py',
2732                      meson.current_source_dir() / 'scripts/qapi/error.py',
2733                      meson.current_source_dir() / 'scripts/qapi/events.py',
2734                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2735                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2736                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2737                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2738                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2739                      meson.current_source_dir() / 'scripts/qapi/source.py',
2740                      meson.current_source_dir() / 'scripts/qapi/types.py',
2741                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2742                      meson.current_source_dir() / 'scripts/qapi/common.py',
2743                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2744 ]
2745
2746 tracetool = [
2747   python, files('scripts/tracetool.py'),
2748    '--backend=' + ','.join(get_option('trace_backends'))
2749 ]
2750 tracetool_depends = files(
2751   'scripts/tracetool/backend/log.py',
2752   'scripts/tracetool/backend/__init__.py',
2753   'scripts/tracetool/backend/dtrace.py',
2754   'scripts/tracetool/backend/ftrace.py',
2755   'scripts/tracetool/backend/simple.py',
2756   'scripts/tracetool/backend/syslog.py',
2757   'scripts/tracetool/backend/ust.py',
2758   'scripts/tracetool/format/ust_events_c.py',
2759   'scripts/tracetool/format/ust_events_h.py',
2760   'scripts/tracetool/format/__init__.py',
2761   'scripts/tracetool/format/d.py',
2762   'scripts/tracetool/format/simpletrace_stap.py',
2763   'scripts/tracetool/format/c.py',
2764   'scripts/tracetool/format/h.py',
2765   'scripts/tracetool/format/log_stap.py',
2766   'scripts/tracetool/format/stap.py',
2767   'scripts/tracetool/__init__.py',
2768   'scripts/tracetool/transform.py',
2769   'scripts/tracetool/vcpu.py'
2770 )
2771
2772 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2773                     meson.current_source_dir(),
2774                     get_option('pkgversion'), meson.project_version()]
2775 qemu_version = custom_target('qemu-version.h',
2776                              output: 'qemu-version.h',
2777                              command: qemu_version_cmd,
2778                              capture: true,
2779                              build_by_default: true,
2780                              build_always_stale: true)
2781 genh += qemu_version
2782
2783 hxdep = []
2784 hx_headers = [
2785   ['qemu-options.hx', 'qemu-options.def'],
2786   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2787 ]
2788 if have_system
2789   hx_headers += [
2790     ['hmp-commands.hx', 'hmp-commands.h'],
2791     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2792   ]
2793 endif
2794 foreach d : hx_headers
2795   hxdep += custom_target(d[1],
2796                 input: files(d[0]),
2797                 output: d[1],
2798                 capture: true,
2799                 build_by_default: true, # to be removed when added to a target
2800                 command: [hxtool, '-h', '@INPUT0@'])
2801 endforeach
2802 genh += hxdep
2803
2804 ###################
2805 # Collect sources #
2806 ###################
2807
2808 authz_ss = ss.source_set()
2809 blockdev_ss = ss.source_set()
2810 block_ss = ss.source_set()
2811 chardev_ss = ss.source_set()
2812 common_ss = ss.source_set()
2813 crypto_ss = ss.source_set()
2814 hwcore_ss = ss.source_set()
2815 io_ss = ss.source_set()
2816 qmp_ss = ss.source_set()
2817 qom_ss = ss.source_set()
2818 softmmu_ss = ss.source_set()
2819 specific_fuzz_ss = ss.source_set()
2820 specific_ss = ss.source_set()
2821 stub_ss = ss.source_set()
2822 trace_ss = ss.source_set()
2823 user_ss = ss.source_set()
2824 util_ss = ss.source_set()
2825
2826 # accel modules
2827 qtest_module_ss = ss.source_set()
2828 tcg_module_ss = ss.source_set()
2829
2830 modules = {}
2831 target_modules = {}
2832 hw_arch = {}
2833 target_arch = {}
2834 target_softmmu_arch = {}
2835 target_user_arch = {}
2836
2837 ###############
2838 # Trace files #
2839 ###############
2840
2841 # TODO: add each directory to the subdirs from its own meson.build, once
2842 # we have those
2843 trace_events_subdirs = [
2844   'crypto',
2845   'qapi',
2846   'qom',
2847   'monitor',
2848   'util',
2849 ]
2850 if have_linux_user
2851   trace_events_subdirs += [ 'linux-user' ]
2852 endif
2853 if have_bsd_user
2854   trace_events_subdirs += [ 'bsd-user' ]
2855 endif
2856 if have_block
2857   trace_events_subdirs += [
2858     'authz',
2859     'block',
2860     'io',
2861     'nbd',
2862     'scsi',
2863   ]
2864 endif
2865 if have_system
2866   trace_events_subdirs += [
2867     'accel/kvm',
2868     'audio',
2869     'backends',
2870     'backends/tpm',
2871     'chardev',
2872     'ebpf',
2873     'hw/9pfs',
2874     'hw/acpi',
2875     'hw/adc',
2876     'hw/alpha',
2877     'hw/arm',
2878     'hw/audio',
2879     'hw/block',
2880     'hw/block/dataplane',
2881     'hw/char',
2882     'hw/display',
2883     'hw/dma',
2884     'hw/hyperv',
2885     'hw/i2c',
2886     'hw/i386',
2887     'hw/i386/xen',
2888     'hw/ide',
2889     'hw/input',
2890     'hw/intc',
2891     'hw/isa',
2892     'hw/mem',
2893     'hw/mips',
2894     'hw/misc',
2895     'hw/misc/macio',
2896     'hw/net',
2897     'hw/net/can',
2898     'hw/nubus',
2899     'hw/nvme',
2900     'hw/nvram',
2901     'hw/pci',
2902     'hw/pci-host',
2903     'hw/ppc',
2904     'hw/rdma',
2905     'hw/rdma/vmw',
2906     'hw/rtc',
2907     'hw/s390x',
2908     'hw/scsi',
2909     'hw/sd',
2910     'hw/sh4',
2911     'hw/sparc',
2912     'hw/sparc64',
2913     'hw/ssi',
2914     'hw/timer',
2915     'hw/tpm',
2916     'hw/usb',
2917     'hw/vfio',
2918     'hw/virtio',
2919     'hw/watchdog',
2920     'hw/xen',
2921     'hw/gpio',
2922     'migration',
2923     'net',
2924     'softmmu',
2925     'ui',
2926     'hw/remote',
2927   ]
2928 endif
2929 if have_system or have_user
2930   trace_events_subdirs += [
2931     'accel/tcg',
2932     'hw/core',
2933     'target/arm',
2934     'target/arm/hvf',
2935     'target/hppa',
2936     'target/i386',
2937     'target/i386/kvm',
2938     'target/mips/tcg',
2939     'target/nios2',
2940     'target/ppc',
2941     'target/riscv',
2942     'target/s390x',
2943     'target/s390x/kvm',
2944     'target/sparc',
2945   ]
2946 endif
2947
2948 vhost_user = not_found
2949 if targetos == 'linux' and have_vhost_user
2950   libvhost_user = subproject('libvhost-user')
2951   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2952 endif
2953
2954 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2955 # that is filled in by qapi/.
2956 subdir('qapi')
2957 subdir('qobject')
2958 subdir('stubs')
2959 subdir('trace')
2960 subdir('util')
2961 subdir('qom')
2962 subdir('authz')
2963 subdir('crypto')
2964 subdir('ui')
2965 subdir('hw')
2966
2967
2968 if enable_modules
2969   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2970   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2971 endif
2972
2973 qom_ss = qom_ss.apply(config_host, strict: false)
2974 libqom = static_library('qom', qom_ss.sources() + genh,
2975                         dependencies: [qom_ss.dependencies()],
2976                         name_suffix: 'fa')
2977 qom = declare_dependency(link_whole: libqom)
2978
2979 event_loop_base = files('event-loop-base.c')
2980 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
2981                                  build_by_default: true)
2982 event_loop_base = declare_dependency(link_whole: event_loop_base,
2983                                      dependencies: [qom])
2984
2985 stub_ss = stub_ss.apply(config_all, strict: false)
2986
2987 util_ss.add_all(trace_ss)
2988 util_ss = util_ss.apply(config_all, strict: false)
2989 libqemuutil = static_library('qemuutil',
2990                              sources: util_ss.sources() + stub_ss.sources() + genh,
2991                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2992 qemuutil = declare_dependency(link_with: libqemuutil,
2993                               sources: genh + version_res,
2994                               dependencies: [event_loop_base])
2995
2996 if have_system or have_user
2997   decodetree = generator(find_program('scripts/decodetree.py'),
2998                          output: 'decode-@BASENAME@.c.inc',
2999                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3000   subdir('libdecnumber')
3001   subdir('target')
3002 endif
3003
3004 subdir('audio')
3005 subdir('io')
3006 subdir('chardev')
3007 subdir('fsdev')
3008 subdir('dump')
3009
3010 if have_block
3011   block_ss.add(files(
3012     'block.c',
3013     'blockjob.c',
3014     'job.c',
3015     'qemu-io-cmds.c',
3016   ))
3017   if config_host_data.get('CONFIG_REPLICATION')
3018     block_ss.add(files('replication.c'))
3019   endif
3020
3021   subdir('nbd')
3022   subdir('scsi')
3023   subdir('block')
3024
3025   blockdev_ss.add(files(
3026     'blockdev.c',
3027     'blockdev-nbd.c',
3028     'iothread.c',
3029     'job-qmp.c',
3030   ), gnutls)
3031
3032   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3033   # os-win32.c does not
3034   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3035   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3036 endif
3037
3038 common_ss.add(files('cpus-common.c'))
3039
3040 subdir('softmmu')
3041
3042 common_ss.add(capstone)
3043 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3044
3045 # Work around a gcc bug/misfeature wherein constant propagation looks
3046 # through an alias:
3047 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3048 # to guess that a const variable is always zero.  Without lto, this is
3049 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3050 # without lto, not even the alias is required -- we simply use different
3051 # declarations in different compilation units.
3052 pagevary = files('page-vary-common.c')
3053 if get_option('b_lto')
3054   pagevary_flags = ['-fno-lto']
3055   if get_option('cfi')
3056     pagevary_flags += '-fno-sanitize=cfi-icall'
3057   endif
3058   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3059                             c_args: pagevary_flags)
3060   pagevary = declare_dependency(link_with: pagevary)
3061 endif
3062 common_ss.add(pagevary)
3063 specific_ss.add(files('page-vary.c'))
3064
3065 subdir('backends')
3066 subdir('disas')
3067 subdir('migration')
3068 subdir('monitor')
3069 subdir('net')
3070 subdir('replay')
3071 subdir('semihosting')
3072 subdir('tcg')
3073 subdir('fpu')
3074 subdir('accel')
3075 subdir('plugins')
3076 subdir('ebpf')
3077
3078 common_user_inc = []
3079
3080 subdir('common-user')
3081 subdir('bsd-user')
3082 subdir('linux-user')
3083
3084 # needed for fuzzing binaries
3085 subdir('tests/qtest/libqos')
3086 subdir('tests/qtest/fuzz')
3087
3088 # accel modules
3089 tcg_real_module_ss = ss.source_set()
3090 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3091 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3092 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3093                                 'tcg': tcg_real_module_ss }}
3094
3095 ########################
3096 # Library dependencies #
3097 ########################
3098
3099 modinfo_collect = find_program('scripts/modinfo-collect.py')
3100 modinfo_generate = find_program('scripts/modinfo-generate.py')
3101 modinfo_files = []
3102
3103 block_mods = []
3104 softmmu_mods = []
3105 foreach d, list : modules
3106   foreach m, module_ss : list
3107     if enable_modules and targetos != 'windows'
3108       module_ss = module_ss.apply(config_all, strict: false)
3109       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3110                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3111       if d == 'block'
3112         block_mods += sl
3113       else
3114         softmmu_mods += sl
3115       endif
3116       if module_ss.sources() != []
3117         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3118         # input. Sources can be used multiple times but objects are
3119         # unique when it comes to lookup in compile_commands.json.
3120         # Depnds on a mesion version with
3121         # https://github.com/mesonbuild/meson/pull/8900
3122         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3123                                        output: d + '-' + m + '.modinfo',
3124                                        input: module_ss.sources() + genh,
3125                                        capture: true,
3126                                        command: [modinfo_collect, module_ss.sources()])
3127       endif
3128     else
3129       if d == 'block'
3130         block_ss.add_all(module_ss)
3131       else
3132         softmmu_ss.add_all(module_ss)
3133       endif
3134     endif
3135   endforeach
3136 endforeach
3137
3138 foreach d, list : target_modules
3139   foreach m, module_ss : list
3140     if enable_modules and targetos != 'windows'
3141       foreach target : target_dirs
3142         if target.endswith('-softmmu')
3143           config_target = config_target_mak[target]
3144           config_target += config_host
3145           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3146           c_args = ['-DNEED_CPU_H',
3147                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3148                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3149           target_module_ss = module_ss.apply(config_target, strict: false)
3150           if target_module_ss.sources() != []
3151             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3152             sl = static_library(module_name,
3153                                 [genh, target_module_ss.sources()],
3154                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3155                                 include_directories: target_inc,
3156                                 c_args: c_args,
3157                                 pic: true)
3158             softmmu_mods += sl
3159             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3160             modinfo_files += custom_target(module_name + '.modinfo',
3161                                            output: module_name + '.modinfo',
3162                                            input: target_module_ss.sources() + genh,
3163                                            capture: true,
3164                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3165           endif
3166         endif
3167       endforeach
3168     else
3169       specific_ss.add_all(module_ss)
3170     endif
3171   endforeach
3172 endforeach
3173
3174 if enable_modules
3175   modinfo_src = custom_target('modinfo.c',
3176                               output: 'modinfo.c',
3177                               input: modinfo_files,
3178                               command: [modinfo_generate, '@INPUT@'],
3179                               capture: true)
3180   modinfo_lib = static_library('modinfo', modinfo_src)
3181   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3182   softmmu_ss.add(modinfo_dep)
3183 endif
3184
3185 nm = find_program('nm')
3186 undefsym = find_program('scripts/undefsym.py')
3187 block_syms = custom_target('block.syms', output: 'block.syms',
3188                              input: [libqemuutil, block_mods],
3189                              capture: true,
3190                              command: [undefsym, nm, '@INPUT@'])
3191 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3192                              input: [libqemuutil, softmmu_mods],
3193                              capture: true,
3194                              command: [undefsym, nm, '@INPUT@'])
3195
3196 authz_ss = authz_ss.apply(config_host, strict: false)
3197 libauthz = static_library('authz', authz_ss.sources() + genh,
3198                           dependencies: [authz_ss.dependencies()],
3199                           name_suffix: 'fa',
3200                           build_by_default: false)
3201
3202 authz = declare_dependency(link_whole: libauthz,
3203                            dependencies: qom)
3204
3205 crypto_ss = crypto_ss.apply(config_host, strict: false)
3206 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3207                            dependencies: [crypto_ss.dependencies()],
3208                            name_suffix: 'fa',
3209                            build_by_default: false)
3210
3211 crypto = declare_dependency(link_whole: libcrypto,
3212                             dependencies: [authz, qom])
3213
3214 io_ss = io_ss.apply(config_host, strict: false)
3215 libio = static_library('io', io_ss.sources() + genh,
3216                        dependencies: [io_ss.dependencies()],
3217                        link_with: libqemuutil,
3218                        name_suffix: 'fa',
3219                        build_by_default: false)
3220
3221 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3222
3223 libmigration = static_library('migration', sources: migration_files + genh,
3224                               name_suffix: 'fa',
3225                               build_by_default: false)
3226 migration = declare_dependency(link_with: libmigration,
3227                                dependencies: [zlib, qom, io])
3228 softmmu_ss.add(migration)
3229
3230 block_ss = block_ss.apply(config_host, strict: false)
3231 libblock = static_library('block', block_ss.sources() + genh,
3232                           dependencies: block_ss.dependencies(),
3233                           link_depends: block_syms,
3234                           name_suffix: 'fa',
3235                           build_by_default: false)
3236
3237 block = declare_dependency(link_whole: [libblock],
3238                            link_args: '@block.syms',
3239                            dependencies: [crypto, io])
3240
3241 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3242 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3243                              dependencies: blockdev_ss.dependencies(),
3244                              name_suffix: 'fa',
3245                              build_by_default: false)
3246
3247 blockdev = declare_dependency(link_whole: [libblockdev],
3248                               dependencies: [block, event_loop_base])
3249
3250 qmp_ss = qmp_ss.apply(config_host, strict: false)
3251 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3252                         dependencies: qmp_ss.dependencies(),
3253                         name_suffix: 'fa',
3254                         build_by_default: false)
3255
3256 qmp = declare_dependency(link_whole: [libqmp])
3257
3258 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3259                             name_suffix: 'fa',
3260                             dependencies: chardev_ss.dependencies(),
3261                             build_by_default: false)
3262
3263 chardev = declare_dependency(link_whole: libchardev)
3264
3265 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3266 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3267                            name_suffix: 'fa',
3268                            build_by_default: false)
3269 hwcore = declare_dependency(link_whole: libhwcore)
3270 common_ss.add(hwcore)
3271
3272 ###########
3273 # Targets #
3274 ###########
3275
3276 emulator_modules = []
3277 foreach m : block_mods + softmmu_mods
3278   emulator_modules += shared_module(m.name(),
3279                 build_by_default: true,
3280                 name_prefix: '',
3281                 link_whole: m,
3282                 install: true,
3283                 install_dir: qemu_moddir)
3284 endforeach
3285
3286 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3287 common_ss.add(qom, qemuutil)
3288
3289 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3290 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3291
3292 common_all = common_ss.apply(config_all, strict: false)
3293 common_all = static_library('common',
3294                             build_by_default: false,
3295                             sources: common_all.sources() + genh,
3296                             include_directories: common_user_inc,
3297                             implicit_include_directories: false,
3298                             dependencies: common_all.dependencies(),
3299                             name_suffix: 'fa')
3300
3301 feature_to_c = find_program('scripts/feature_to_c.sh')
3302
3303 if targetos == 'darwin'
3304   entitlement = find_program('scripts/entitlement.sh')
3305 endif
3306
3307 emulators = {}
3308 foreach target : target_dirs
3309   config_target = config_target_mak[target]
3310   target_name = config_target['TARGET_NAME']
3311   target_base_arch = config_target['TARGET_BASE_ARCH']
3312   arch_srcs = [config_target_h[target]]
3313   arch_deps = []
3314   c_args = ['-DNEED_CPU_H',
3315             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3316             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3317   link_args = emulator_link_args
3318
3319   config_target += config_host
3320   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3321   if targetos == 'linux'
3322     target_inc += include_directories('linux-headers', is_system: true)
3323   endif
3324   if target.endswith('-softmmu')
3325     qemu_target_name = 'qemu-system-' + target_name
3326     target_type='system'
3327     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3328     arch_srcs += t.sources()
3329     arch_deps += t.dependencies()
3330
3331     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3332     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3333     arch_srcs += hw.sources()
3334     arch_deps += hw.dependencies()
3335
3336     arch_srcs += config_devices_h[target]
3337     link_args += ['@block.syms', '@qemu.syms']
3338   else
3339     abi = config_target['TARGET_ABI_DIR']
3340     target_type='user'
3341     target_inc += common_user_inc
3342     qemu_target_name = 'qemu-' + target_name
3343     if target_base_arch in target_user_arch
3344       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3345       arch_srcs += t.sources()
3346       arch_deps += t.dependencies()
3347     endif
3348     if 'CONFIG_LINUX_USER' in config_target
3349       base_dir = 'linux-user'
3350     endif
3351     if 'CONFIG_BSD_USER' in config_target
3352       base_dir = 'bsd-user'
3353       target_inc += include_directories('bsd-user/' / targetos)
3354       target_inc += include_directories('bsd-user/host/' / host_arch)
3355       dir = base_dir / abi
3356       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3357     endif
3358     target_inc += include_directories(
3359       base_dir,
3360       base_dir / abi,
3361     )
3362     if 'CONFIG_LINUX_USER' in config_target
3363       dir = base_dir / abi
3364       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3365       if config_target.has_key('TARGET_SYSTBL_ABI')
3366         arch_srcs += \
3367           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3368                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3369       endif
3370     endif
3371   endif
3372
3373   if 'TARGET_XML_FILES' in config_target
3374     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3375                                 output: target + '-gdbstub-xml.c',
3376                                 input: files(config_target['TARGET_XML_FILES'].split()),
3377                                 command: [feature_to_c, '@INPUT@'],
3378                                 capture: true)
3379     arch_srcs += gdbstub_xml
3380   endif
3381
3382   t = target_arch[target_base_arch].apply(config_target, strict: false)
3383   arch_srcs += t.sources()
3384   arch_deps += t.dependencies()
3385
3386   target_common = common_ss.apply(config_target, strict: false)
3387   objects = common_all.extract_objects(target_common.sources())
3388   deps = target_common.dependencies()
3389
3390   target_specific = specific_ss.apply(config_target, strict: false)
3391   arch_srcs += target_specific.sources()
3392   arch_deps += target_specific.dependencies()
3393
3394   lib = static_library('qemu-' + target,
3395                  sources: arch_srcs + genh,
3396                  dependencies: arch_deps,
3397                  objects: objects,
3398                  include_directories: target_inc,
3399                  c_args: c_args,
3400                  build_by_default: false,
3401                  name_suffix: 'fa')
3402
3403   if target.endswith('-softmmu')
3404     execs = [{
3405       'name': 'qemu-system-' + target_name,
3406       'win_subsystem': 'console',
3407       'sources': files('softmmu/main.c'),
3408       'dependencies': []
3409     }]
3410     if targetos == 'windows' and (sdl.found() or gtk.found())
3411       execs += [{
3412         'name': 'qemu-system-' + target_name + 'w',
3413         'win_subsystem': 'windows',
3414         'sources': files('softmmu/main.c'),
3415         'dependencies': []
3416       }]
3417     endif
3418     if get_option('fuzzing')
3419       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3420       execs += [{
3421         'name': 'qemu-fuzz-' + target_name,
3422         'win_subsystem': 'console',
3423         'sources': specific_fuzz.sources(),
3424         'dependencies': specific_fuzz.dependencies(),
3425       }]
3426     endif
3427   else
3428     execs = [{
3429       'name': 'qemu-' + target_name,
3430       'win_subsystem': 'console',
3431       'sources': [],
3432       'dependencies': []
3433     }]
3434   endif
3435   foreach exe: execs
3436     exe_name = exe['name']
3437     if targetos == 'darwin'
3438       exe_name += '-unsigned'
3439     endif
3440
3441     emulator = executable(exe_name, exe['sources'],
3442                install: true,
3443                c_args: c_args,
3444                dependencies: arch_deps + deps + exe['dependencies'],
3445                objects: lib.extract_all_objects(recursive: true),
3446                link_language: link_language,
3447                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3448                link_args: link_args,
3449                win_subsystem: exe['win_subsystem'])
3450
3451     if targetos == 'darwin'
3452       icon = 'pc-bios/qemu.rsrc'
3453       build_input = [emulator, files(icon)]
3454       install_input = [
3455         get_option('bindir') / exe_name,
3456         meson.current_source_dir() / icon
3457       ]
3458       if 'CONFIG_HVF' in config_target
3459         entitlements = 'accel/hvf/entitlements.plist'
3460         build_input += files(entitlements)
3461         install_input += meson.current_source_dir() / entitlements
3462       endif
3463
3464       emulators += {exe['name'] : custom_target(exe['name'],
3465                    input: build_input,
3466                    output: exe['name'],
3467                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3468       }
3469
3470       meson.add_install_script(entitlement, '--install',
3471                                get_option('bindir') / exe['name'],
3472                                install_input)
3473     else
3474       emulators += {exe['name']: emulator}
3475     endif
3476
3477     if stap.found()
3478       foreach stp: [
3479         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3480         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3481         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3482         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3483       ]
3484         custom_target(exe['name'] + stp['ext'],
3485                       input: trace_events_all,
3486                       output: exe['name'] + stp['ext'],
3487                       install: stp['install'],
3488                       install_dir: get_option('datadir') / 'systemtap/tapset',
3489                       command: [
3490                         tracetool, '--group=all', '--format=' + stp['fmt'],
3491                         '--binary=' + stp['bin'],
3492                         '--target-name=' + target_name,
3493                         '--target-type=' + target_type,
3494                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3495                         '@INPUT@', '@OUTPUT@'
3496                       ],
3497                       depend_files: tracetool_depends)
3498       endforeach
3499     endif
3500   endforeach
3501 endforeach
3502
3503 # Other build targets
3504
3505 if 'CONFIG_PLUGIN' in config_host
3506   install_headers('include/qemu/qemu-plugin.h')
3507 endif
3508
3509 subdir('qga')
3510
3511 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3512 # when we don't build tools or system
3513 if xkbcommon.found()
3514   # used for the update-keymaps target, so include rules even if !have_tools
3515   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3516                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3517 endif
3518
3519 if have_tools
3520   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3521              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3522   qemu_io = executable('qemu-io', files('qemu-io.c'),
3523              dependencies: [block, qemuutil], install: true)
3524   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3525                dependencies: [blockdev, qemuutil, gnutls, selinux],
3526                install: true)
3527
3528   subdir('storage-daemon')
3529   subdir('contrib/rdmacm-mux')
3530   subdir('contrib/elf2dmp')
3531
3532   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3533              dependencies: qemuutil,
3534              install: true)
3535
3536   if have_vhost_user
3537     subdir('contrib/vhost-user-blk')
3538     subdir('contrib/vhost-user-gpu')
3539     subdir('contrib/vhost-user-input')
3540     subdir('contrib/vhost-user-scsi')
3541   endif
3542
3543   if targetos == 'linux'
3544     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3545                dependencies: [qemuutil, libcap_ng],
3546                install: true,
3547                install_dir: get_option('libexecdir'))
3548
3549     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3550                dependencies: [authz, crypto, io, qom, qemuutil,
3551                               libcap_ng, mpathpersist],
3552                install: true)
3553   endif
3554
3555   if have_ivshmem
3556     subdir('contrib/ivshmem-client')
3557     subdir('contrib/ivshmem-server')
3558   endif
3559 endif
3560
3561 subdir('scripts')
3562 subdir('tools')
3563 subdir('pc-bios')
3564 subdir('docs')
3565 subdir('tests')
3566 if gtk.found()
3567   subdir('po')
3568 endif
3569
3570 if host_machine.system() == 'windows'
3571   nsis_cmd = [
3572     find_program('scripts/nsis.py'),
3573     '@OUTPUT@',
3574     get_option('prefix'),
3575     meson.current_source_dir(),
3576     host_machine.cpu(),
3577     '--',
3578     '-DDISPLAYVERSION=' + meson.project_version(),
3579   ]
3580   if build_docs
3581     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3582   endif
3583   if gtk.found()
3584     nsis_cmd += '-DCONFIG_GTK=y'
3585   endif
3586
3587   nsis = custom_target('nsis',
3588                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3589                        input: files('qemu.nsi'),
3590                        build_always_stale: true,
3591                        command: nsis_cmd + ['@INPUT@'])
3592   alias_target('installer', nsis)
3593 endif
3594
3595 #########################
3596 # Configuration summary #
3597 #########################
3598
3599 # Directories
3600 summary_info = {}
3601 summary_info += {'Install prefix':    get_option('prefix')}
3602 summary_info += {'BIOS directory':    qemu_datadir}
3603 summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3604 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3605 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3606 summary_info += {'module directory':  qemu_moddir}
3607 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3608 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3609 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3610 if targetos != 'windows'
3611   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3612   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3613 else
3614   summary_info += {'local state directory': 'queried at runtime'}
3615 endif
3616 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3617 summary_info += {'Build directory':   meson.current_build_dir()}
3618 summary_info += {'Source path':       meson.current_source_dir()}
3619 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3620 summary(summary_info, bool_yn: true, section: 'Directories')
3621
3622 # Host binaries
3623 summary_info = {}
3624 summary_info += {'git':               config_host['GIT']}
3625 summary_info += {'make':              config_host['MAKE']}
3626 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3627 summary_info += {'sphinx-build':      sphinx_build}
3628 if config_host.has_key('HAVE_GDB_BIN')
3629   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3630 endif
3631 summary_info += {'iasl':              iasl}
3632 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3633 if targetos == 'windows' and have_ga
3634   summary_info += {'wixl':            wixl}
3635 endif
3636 if slirp_opt != 'disabled' and have_system
3637   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3638 endif
3639 summary(summary_info, bool_yn: true, section: 'Host binaries')
3640
3641 # Configurable features
3642 summary_info = {}
3643 summary_info += {'Documentation':     build_docs}
3644 summary_info += {'system-mode emulation': have_system}
3645 summary_info += {'user-mode emulation': have_user}
3646 summary_info += {'block layer':       have_block}
3647 summary_info += {'Install blobs':     get_option('install_blobs')}
3648 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3649 if config_host.has_key('CONFIG_MODULES')
3650   summary_info += {'alternative module path': get_option('module_upgrades')}
3651 endif
3652 summary_info += {'fuzzing support':   get_option('fuzzing')}
3653 if have_system
3654   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3655 endif
3656 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3657 if 'simple' in get_option('trace_backends')
3658   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3659 endif
3660 summary_info += {'D-Bus display':     dbus_display}
3661 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3662 summary_info += {'vhost-kernel support': have_vhost_kernel}
3663 summary_info += {'vhost-net support': have_vhost_net}
3664 summary_info += {'vhost-user support': have_vhost_user}
3665 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3666 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3667 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3668 summary_info += {'build guest agent': have_ga}
3669 summary(summary_info, bool_yn: true, section: 'Configurable features')
3670
3671 # Compilation information
3672 summary_info = {}
3673 summary_info += {'host CPU':          cpu}
3674 summary_info += {'host endianness':   build_machine.endian()}
3675 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3676 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3677 if link_language == 'cpp'
3678   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3679 else
3680   summary_info += {'C++ compiler':      false}
3681 endif
3682 if targetos == 'darwin'
3683   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3684 endif
3685 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3686                                                + ['-O' + get_option('optimization')]
3687                                                + (get_option('debug') ? ['-g'] : []))}
3688 if link_language == 'cpp'
3689   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3690                                                + ['-O' + get_option('optimization')]
3691                                                + (get_option('debug') ? ['-g'] : []))}
3692 endif
3693 if targetos == 'darwin'
3694   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3695                                                + ['-O' + get_option('optimization')]
3696                                                + (get_option('debug') ? ['-g'] : []))}
3697 endif
3698 link_args = get_option(link_language + '_link_args')
3699 if link_args.length() > 0
3700   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3701 endif
3702 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3703 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3704 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3705 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3706 summary_info += {'profiler':          get_option('profiler')}
3707 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3708 summary_info += {'PIE':               get_option('b_pie')}
3709 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3710 summary_info += {'malloc trim support': has_malloc_trim}
3711 summary_info += {'membarrier':        have_membarrier}
3712 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3713 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3714 summary_info += {'memory allocator':  get_option('malloc')}
3715 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3716 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3717 summary_info += {'gprof enabled':     get_option('gprof')}
3718 summary_info += {'gcov':              get_option('b_coverage')}
3719 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3720 summary_info += {'CFI support':       get_option('cfi')}
3721 if get_option('cfi')
3722   summary_info += {'CFI debug support': get_option('cfi_debug')}
3723 endif
3724 summary_info += {'strip binaries':    get_option('strip')}
3725 summary_info += {'sparse':            sparse}
3726 summary_info += {'mingw32 support':   targetos == 'windows'}
3727
3728 # snarf the cross-compilation information for tests
3729 foreach target: target_dirs
3730   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3731   if fs.exists(tcg_mak)
3732     config_cross_tcg = keyval.load(tcg_mak)
3733     target = config_cross_tcg['TARGET_NAME']
3734     compiler = ''
3735     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3736       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3737                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3738     elif 'CROSS_CC_GUEST' in config_cross_tcg
3739       summary_info += {target + ' tests'
3740                                 : config_cross_tcg['CROSS_CC_GUEST'] }
3741     endif
3742    endif
3743 endforeach
3744
3745 summary(summary_info, bool_yn: true, section: 'Compilation')
3746
3747 # Targets and accelerators
3748 summary_info = {}
3749 if have_system
3750   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3751   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3752   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3753   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3754   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3755   summary_info += {'Xen support':       xen.found()}
3756   if xen.found()
3757     summary_info += {'xen ctrl version':  xen.version()}
3758   endif
3759 endif
3760 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3761 if config_all.has_key('CONFIG_TCG')
3762   if get_option('tcg_interpreter')
3763     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3764   else
3765     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3766   endif
3767   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3768   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3769 endif
3770 summary_info += {'target list':       ' '.join(target_dirs)}
3771 if have_system
3772   summary_info += {'default devices':   get_option('default_devices')}
3773   summary_info += {'out of process emulation': multiprocess_allowed}
3774 endif
3775 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3776
3777 # Block layer
3778 summary_info = {}
3779 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3780 summary_info += {'coroutine pool':    have_coroutine_pool}
3781 if have_block
3782   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3783   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3784   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3785   summary_info += {'VirtFS support':    have_virtfs}
3786   summary_info += {'build virtiofs daemon': have_virtiofsd}
3787   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3788   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3789   summary_info += {'bochs support':     get_option('bochs').allowed()}
3790   summary_info += {'cloop support':     get_option('cloop').allowed()}
3791   summary_info += {'dmg support':       get_option('dmg').allowed()}
3792   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3793   summary_info += {'vdi support':       get_option('vdi').allowed()}
3794   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3795   summary_info += {'qed support':       get_option('qed').allowed()}
3796   summary_info += {'parallels support': get_option('parallels').allowed()}
3797   summary_info += {'FUSE exports':      fuse}
3798 endif
3799 summary(summary_info, bool_yn: true, section: 'Block layer support')
3800
3801 # Crypto
3802 summary_info = {}
3803 summary_info += {'TLS priority':      get_option('tls_priority')}
3804 summary_info += {'GNUTLS support':    gnutls}
3805 if gnutls.found()
3806   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3807 endif
3808 summary_info += {'libgcrypt':         gcrypt}
3809 summary_info += {'nettle':            nettle}
3810 if nettle.found()
3811    summary_info += {'  XTS':             xts != 'private'}
3812 endif
3813 summary_info += {'AF_ALG support':    have_afalg}
3814 summary_info += {'rng-none':          get_option('rng_none')}
3815 summary_info += {'Linux keyring':     have_keyring}
3816 summary(summary_info, bool_yn: true, section: 'Crypto')
3817
3818 # Libraries
3819 summary_info = {}
3820 if targetos == 'darwin'
3821   summary_info += {'Cocoa support':           cocoa}
3822   summary_info += {'vmnet.framework support': vmnet}
3823 endif
3824 summary_info += {'SDL support':       sdl}
3825 summary_info += {'SDL image support': sdl_image}
3826 summary_info += {'GTK support':       gtk}
3827 summary_info += {'pixman':            pixman}
3828 summary_info += {'VTE support':       vte}
3829 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3830 summary_info += {'libtasn1':          tasn1}
3831 summary_info += {'PAM':               pam}
3832 summary_info += {'iconv support':     iconv}
3833 summary_info += {'curses support':    curses}
3834 summary_info += {'virgl support':     virgl}
3835 summary_info += {'curl support':      curl}
3836 summary_info += {'Multipath support': mpathpersist}
3837 summary_info += {'PNG support':       png}
3838 summary_info += {'VNC support':       vnc}
3839 if vnc.found()
3840   summary_info += {'VNC SASL support':  sasl}
3841   summary_info += {'VNC JPEG support':  jpeg}
3842 endif
3843 if targetos not in ['darwin', 'haiku', 'windows']
3844   summary_info += {'OSS support':     oss}
3845 elif targetos == 'darwin'
3846   summary_info += {'CoreAudio support': coreaudio}
3847 elif targetos == 'windows'
3848   summary_info += {'DirectSound support': dsound}
3849 endif
3850 if targetos == 'linux'
3851   summary_info += {'ALSA support':    alsa}
3852   summary_info += {'PulseAudio support': pulse}
3853 endif
3854 summary_info += {'JACK support':      jack}
3855 summary_info += {'brlapi support':    brlapi}
3856 summary_info += {'vde support':       vde}
3857 summary_info += {'netmap support':    have_netmap}
3858 summary_info += {'l2tpv3 support':    have_l2tpv3}
3859 summary_info += {'Linux AIO support': libaio}
3860 summary_info += {'Linux io_uring support': linux_io_uring}
3861 summary_info += {'ATTR/XATTR support': libattr}
3862 summary_info += {'RDMA support':      rdma}
3863 summary_info += {'PVRDMA support':    have_pvrdma}
3864 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3865 summary_info += {'libcap-ng support': libcap_ng}
3866 summary_info += {'bpf support':       libbpf}
3867 summary_info += {'spice protocol support': spice_protocol}
3868 if spice_protocol.found()
3869   summary_info += {'  spice server support': spice}
3870 endif
3871 summary_info += {'rbd support':       rbd}
3872 summary_info += {'smartcard support': cacard}
3873 summary_info += {'U2F support':       u2f}
3874 summary_info += {'libusb':            libusb}
3875 summary_info += {'usb net redir':     usbredir}
3876 summary_info += {'OpenGL support (epoxy)': opengl}
3877 summary_info += {'GBM':               gbm}
3878 summary_info += {'libiscsi support':  libiscsi}
3879 summary_info += {'libnfs support':    libnfs}
3880 if targetos == 'windows'
3881   if have_ga
3882     summary_info += {'QGA VSS support':   have_qga_vss}
3883   endif
3884 endif
3885 summary_info += {'seccomp support':   seccomp}
3886 summary_info += {'GlusterFS support': glusterfs}
3887 summary_info += {'TPM support':       have_tpm}
3888 summary_info += {'libssh support':    libssh}
3889 summary_info += {'lzo support':       lzo}
3890 summary_info += {'snappy support':    snappy}
3891 summary_info += {'bzip2 support':     libbzip2}
3892 summary_info += {'lzfse support':     liblzfse}
3893 summary_info += {'zstd support':      zstd}
3894 summary_info += {'NUMA host support': numa}
3895 summary_info += {'capstone':          capstone}
3896 summary_info += {'libpmem support':   libpmem}
3897 summary_info += {'libdaxctl support': libdaxctl}
3898 summary_info += {'libudev':           libudev}
3899 # Dummy dependency, keep .found()
3900 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3901 summary_info += {'selinux':           selinux}
3902 summary(summary_info, bool_yn: true, section: 'Dependencies')
3903
3904 if not supported_cpus.contains(cpu)
3905   message()
3906   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3907   message()
3908   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3909   message('The QEMU project intends to remove support for this host CPU in')
3910   message('a future release if nobody volunteers to maintain it and to')
3911   message('provide a build host for our continuous integration setup.')
3912   message('configure has succeeded and you can continue to build, but')
3913   message('if you care about QEMU on this platform you should contact')
3914   message('us upstream at qemu-devel@nongnu.org.')
3915 endif
3916
3917 if not supported_oses.contains(targetos)
3918   message()
3919   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3920   message()
3921   message('Host OS ' + targetos + 'support is not currently maintained.')
3922   message('The QEMU project intends to remove support for this host OS in')
3923   message('a future release if nobody volunteers to maintain it and to')
3924   message('provide a build host for our continuous integration setup.')
3925   message('configure has succeeded and you can continue to build, but')
3926   message('if you care about QEMU on this platform you should contact')
3927   message('us upstream at qemu-devel@nongnu.org.')
3928 endif