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 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
  11
  12 not_found = dependency('', required: false)
  13 keyval = import('keyval')
  14 ss = import('sourceset')
  15 fs = import('fs')
  16
  17 sh = find_program('sh')
  18 cc = meson.get_compiler('c')
  19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  20 enable_modules = 'CONFIG_MODULES' in config_host
  21 enable_static = 'CONFIG_STATIC' in config_host
  22
  23 # Allow both shared and static libraries unless --enable-static
  24 static_kwargs = enable_static ? {'static': true} : {}
  25
  26 # Temporary directory used for files created while
  27 # configure runs. Since it is in the build directory
  28 # we can safely blow away any previous version of it
  29 # (and we need not jump through hoops to try to delete
  30 # it when configure exits.)
  31 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  32
  33 if get_option('qemu_suffix').startswith('/')
  34   error('qemu_suffix cannot start with a /')
  35 endif
  36
  37 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  38 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  39 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  40 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  41
  42 qemu_desktopdir = get_option('datadir') / 'applications'
  43 qemu_icondir = get_option('datadir') / 'icons'
  44
  45 config_host_data = configuration_data()
  46 genh = []
  47 qapi_trace_events = []
  48
  49 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  50 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  51 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  52   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  53
  54 cpu = host_machine.cpu_family()
  55
  56 # Unify riscv* to a single family.
  57 if cpu in ['riscv32', 'riscv64']
  58   cpu = 'riscv'
  59 endif
  60
  61 targetos = host_machine.system()
  62
  63 target_dirs = config_host['TARGET_DIRS'].split()
  64 have_linux_user = false
  65 have_bsd_user = false
  66 have_system = false
  67 foreach target : target_dirs
  68   have_linux_user = have_linux_user or target.endswith('linux-user')
  69   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  70   have_system = have_system or target.endswith('-softmmu')
  71 endforeach
  72 have_user = have_linux_user or have_bsd_user
  73 have_tools = get_option('tools') \
  74   .disable_auto_if(not have_system) \
  75   .allowed()
  76 have_ga = get_option('guest_agent') \
  77   .disable_auto_if(not have_system and not have_tools) \
  78   .require(targetos in ['sunos', 'linux', 'windows'],
  79            error_message: 'unsupported OS for QEMU guest agent') \
  80   .allowed()
  81 have_block = have_system or have_tools
  82
  83 python = import('python').find_installation()
  84
  85 if cpu not in supported_cpus
  86   host_arch = 'unknown'
  87 elif cpu == 'x86'
  88   host_arch = 'i386'
  89 elif cpu == 'mips64'
  90   host_arch = 'mips'
  91 else
  92   host_arch = cpu
  93 endif
  94
  95 if cpu in ['x86', 'x86_64']
  96   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  97 elif cpu == 'aarch64'
  98   kvm_targets = ['aarch64-softmmu']
  99 elif cpu == 's390x'
 100   kvm_targets = ['s390x-softmmu']
 101 elif cpu in ['ppc', 'ppc64']
 102   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 103 elif cpu in ['mips', 'mips64']
 104   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 105 elif cpu in ['riscv']
 106   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 107 else
 108   kvm_targets = []
 109 endif
 110
 111 kvm_targets_c = '""'
 112 if get_option('kvm').allowed() and targetos == 'linux'
 113   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 114 endif
 115 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 116
 117 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 118
 119 if cpu in ['aarch64']
 120   accelerator_targets += {
 121     'CONFIG_HVF': ['aarch64-softmmu']
 122   }
 123 endif
 124
 125 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 126   # i386 emulator provides xenpv machine type for multiple architectures
 127   accelerator_targets += {
 128     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 129   }
 130 endif
 131 if cpu in ['x86', 'x86_64']
 132   accelerator_targets += {
 133     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 134     'CONFIG_HVF': ['x86_64-softmmu'],
 135     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 136     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 137   }
 138 endif
 139
 140 modular_tcg = []
 141 # Darwin does not support references to thread-local variables in modules
 142 if targetos != 'darwin'
 143   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 144 endif
 145
 146 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 147 unpack_edk2_blobs = false
 148 foreach target : edk2_targets
 149   if target in target_dirs
 150     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 151     unpack_edk2_blobs = bzip2.found()
 152     break
 153   endif
 154 endforeach
 155
 156 dtrace = not_found
 157 stap = not_found
 158 if 'dtrace' in get_option('trace_backends')
 159   dtrace = find_program('dtrace', required: true)
 160   stap = find_program('stap', required: false)
 161   if stap.found()
 162     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 163     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 164     # instead. QEMU --enable-modules depends on this because the SystemTap
 165     # semaphores are linked into the main binary and not the module's shared
 166     # object.
 167     add_global_arguments('-DSTAP_SDT_V2',
 168                          native: false, language: ['c', 'cpp', 'objc'])
 169   endif
 170 endif
 171
 172 if get_option('iasl') == ''
 173   iasl = find_program('iasl', required: false)
 174 else
 175   iasl = find_program(get_option('iasl'), required: true)
 176 endif
 177
 178 ##################
 179 # Compiler flags #
 180 ##################
 181
 182 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 183 qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
 184 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 185 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 186
 187 if targetos == 'windows'
 188   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 189   # Disable ASLR for debug builds to allow debugging with gdb
 190   if get_option('optimization') == '0'
 191     qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
 192   endif
 193 endif
 194
 195 if get_option('gprof')
 196   qemu_cflags += ['-p']
 197   qemu_cxxflags += ['-p']
 198   qemu_objcflags += ['-p']
 199   qemu_ldflags += ['-p']
 200 endif
 201
 202 # Specify linker-script with add_project_link_arguments so that it is not placed
 203 # within a linker --start-group/--end-group pair
 204 if get_option('fuzzing')
 205   add_project_link_arguments(['-Wl,-T,',
 206                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 207                              native: false, language: ['c', 'cpp', 'objc'])
 208
 209   # Specify a filter to only instrument code that is directly related to
 210   # virtual-devices.
 211   configure_file(output: 'instrumentation-filter',
 212                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 213                  copy: true)
 214
 215   if cc.compiles('int main () { return 0; }',
 216                   name: '-fsanitize-coverage-allowlist=/dev/null',
 217                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 218                         '-fsanitize-coverage=trace-pc'] )
 219     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 220                          native: false, language: ['c', 'cpp', 'objc'])
 221   endif
 222
 223   if get_option('fuzzing_engine') == ''
 224     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 225     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 226     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 227     # unable to bind the fuzzer-related callbacks added by instrumentation.
 228     add_global_arguments('-fsanitize=fuzzer-no-link',
 229                          native: false, language: ['c', 'cpp', 'objc'])
 230     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 231                               native: false, language: ['c', 'cpp', 'objc'])
 232     # For the actual fuzzer binaries, we need to link against the libfuzzer
 233     # library. They need to be configurable, to support OSS-Fuzz
 234     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 235   else
 236     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 237     # the needed CFLAGS have already been provided
 238     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 239   endif
 240 endif
 241
 242 add_global_arguments(qemu_cflags, native: false, language: ['c'])
 243 add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
 244 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
 245 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
 246
 247 if targetos == 'linux'
 248   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 249                         '-isystem', 'linux-headers',
 250                         language: ['c', 'cpp'])
 251 endif
 252
 253 add_project_arguments('-iquote', '.',
 254                       '-iquote', meson.current_source_dir(),
 255                       '-iquote', meson.current_source_dir() / 'include',
 256                       language: ['c', 'cpp', 'objc'])
 257
 258 link_language = meson.get_external_property('link_language', 'cpp')
 259 if link_language == 'cpp'
 260   add_languages('cpp', required: true, native: false)
 261   cxx = meson.get_compiler('cpp')
 262   linker = cxx
 263 else
 264   linker = cc
 265 endif
 266 if host_machine.system() == 'darwin'
 267   add_languages('objc', required: false, native: false)
 268 endif
 269
 270 sparse = find_program('cgcc', required: get_option('sparse'))
 271 if sparse.found()
 272   run_target('sparse',
 273              command: [find_program('scripts/check_sparse.py'),
 274                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 275                        '-Wno-transparent-union', '-Wno-old-initializer',
 276                        '-Wno-non-pointer-null'])
 277 endif
 278
 279 ###########################################
 280 # Target-specific checks and dependencies #
 281 ###########################################
 282
 283 # Fuzzing
 284 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 285     not cc.links('''
 286           #include <stdint.h>
 287           #include <sys/types.h>
 288           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 289           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 290         ''',
 291         args: ['-Werror', '-fsanitize=fuzzer'])
 292   error('Your compiler does not support -fsanitize=fuzzer')
 293 endif
 294
 295 # Tracing backends
 296 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 297   error('ftrace is supported only on Linux')
 298 endif
 299 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 300     #include <syslog.h>
 301     int main(void) {
 302         openlog("qemu", LOG_PID, LOG_DAEMON);
 303         syslog(LOG_INFO, "configure");
 304         return 0;
 305     }''')
 306   error('syslog is not supported on this system')
 307 endif
 308
 309 # Miscellaneous Linux-only features
 310 get_option('mpath') \
 311   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 312
 313 multiprocess_allowed = get_option('multiprocess') \
 314   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 315   .allowed()
 316
 317 vfio_user_server_allowed = get_option('vfio_user_server') \
 318   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 319   .allowed()
 320
 321 have_tpm = get_option('tpm') \
 322   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 323   .allowed()
 324
 325 # vhost
 326 have_vhost_user = get_option('vhost_user') \
 327   .disable_auto_if(targetos != 'linux') \
 328   .require(targetos != 'windows',
 329            error_message: 'vhost-user is not available on Windows').allowed()
 330 have_vhost_vdpa = get_option('vhost_vdpa') \
 331   .require(targetos == 'linux',
 332            error_message: 'vhost-vdpa is only available on Linux').allowed()
 333 have_vhost_kernel = get_option('vhost_kernel') \
 334   .require(targetos == 'linux',
 335            error_message: 'vhost-kernel is only available on Linux').allowed()
 336 have_vhost_user_crypto = get_option('vhost_crypto') \
 337   .require(have_vhost_user,
 338            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 339
 340 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 341
 342 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 343 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 344 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 345 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 346
 347 # Target-specific libraries and flags
 348 libm = cc.find_library('m', required: false)
 349 threads = dependency('threads')
 350 util = cc.find_library('util', required: false)
 351 winmm = []
 352 socket = []
 353 version_res = []
 354 coref = []
 355 iokit = []
 356 emulator_link_args = []
 357 nvmm =not_found
 358 hvf = not_found
 359 midl = not_found
 360 widl = not_found
 361 pathcch = not_found
 362 host_dsosuf = '.so'
 363 if targetos == 'windows'
 364   midl = find_program('midl', required: false)
 365   widl = find_program('widl', required: false)
 366   pathcch = cc.find_library('pathcch')
 367   socket = cc.find_library('ws2_32')
 368   winmm = cc.find_library('winmm')
 369
 370   win = import('windows')
 371   version_res = win.compile_resources('version.rc',
 372                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 373                                       include_directories: include_directories('.'))
 374   host_dsosuf = '.dll'
 375 elif targetos == 'darwin'
 376   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 377   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 378   host_dsosuf = '.dylib'
 379 elif targetos == 'sunos'
 380   socket = [cc.find_library('socket'),
 381             cc.find_library('nsl'),
 382             cc.find_library('resolv')]
 383 elif targetos == 'haiku'
 384   socket = [cc.find_library('posix_error_mapper'),
 385             cc.find_library('network'),
 386             cc.find_library('bsd')]
 387 elif targetos == 'openbsd'
 388   if get_option('tcg').allowed() and target_dirs.length() > 0
 389     # Disable OpenBSD W^X if available
 390     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 391   endif
 392 endif
 393
 394 # Target-specific configuration of accelerators
 395 accelerators = []
 396 if get_option('kvm').allowed() and targetos == 'linux'
 397   accelerators += 'CONFIG_KVM'
 398 endif
 399 if get_option('whpx').allowed() and targetos == 'windows'
 400   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 401     error('WHPX requires 64-bit host')
 402   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 403        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 404     accelerators += 'CONFIG_WHPX'
 405   endif
 406 endif
 407 if get_option('hvf').allowed()
 408   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 409                    required: get_option('hvf'))
 410   if hvf.found()
 411     accelerators += 'CONFIG_HVF'
 412   endif
 413 endif
 414 if get_option('hax').allowed()
 415   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 416     accelerators += 'CONFIG_HAX'
 417   endif
 418 endif
 419 if targetos == 'netbsd'
 420   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 421   if nvmm.found()
 422     accelerators += 'CONFIG_NVMM'
 423   endif
 424 endif
 425
 426 tcg_arch = host_arch
 427 if get_option('tcg').allowed()
 428   if host_arch == 'unknown'
 429     if get_option('tcg_interpreter')
 430       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 431     else
 432       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 433     endif
 434   elif get_option('tcg_interpreter')
 435     warning('Use of the TCG interpreter is not recommended on this host')
 436     warning('architecture. There is a native TCG execution backend available')
 437     warning('which provides substantially better performance and reliability.')
 438     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 439     warning('configuration option on this architecture to use the native')
 440     warning('backend.')
 441   endif
 442   if get_option('tcg_interpreter')
 443     tcg_arch = 'tci'
 444   elif host_arch == 'sparc64'
 445     tcg_arch = 'sparc'
 446   elif host_arch == 'x86_64'
 447     tcg_arch = 'i386'
 448   elif host_arch == 'ppc64'
 449     tcg_arch = 'ppc'
 450   endif
 451   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 452                         language: ['c', 'cpp', 'objc'])
 453
 454   accelerators += 'CONFIG_TCG'
 455   config_host += { 'CONFIG_TCG': 'y' }
 456 endif
 457
 458 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 459   error('KVM not available on this platform')
 460 endif
 461 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 462   error('HVF not available on this platform')
 463 endif
 464 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 465   error('NVMM not available on this platform')
 466 endif
 467 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 468   error('WHPX not available on this platform')
 469 endif
 470
 471 ################
 472 # Dependencies #
 473 ################
 474
 475 # The path to glib.h is added to all compilation commands.  This was
 476 # grandfathered in from the QEMU Makefiles.
 477 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 478                       native: false, language: ['c', 'cpp', 'objc'])
 479 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 480                           link_args: config_host['GLIB_LIBS'].split(),
 481                           version: config_host['GLIB_VERSION'],
 482                           variables: {
 483                             'bindir': config_host['GLIB_BINDIR'],
 484                           })
 485 # override glib dep with the configure results (for subprojects)
 486 meson.override_dependency('glib-2.0', glib)
 487
 488 gio = not_found
 489 gdbus_codegen = not_found
 490 if not get_option('gio').auto() or have_system
 491   gio = dependency('gio-2.0', required: get_option('gio'),
 492                    method: 'pkg-config', kwargs: static_kwargs)
 493   if gio.found() and not cc.links('''
 494     #include <gio/gio.h>
 495     int main(void)
 496     {
 497       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 498       return 0;
 499     }''', dependencies: [glib, gio])
 500     if get_option('gio').enabled()
 501       error('The installed libgio is broken for static linking')
 502     endif
 503     gio = not_found
 504   endif
 505   if gio.found()
 506     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 507                                  required: get_option('gio'))
 508     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 509                           method: 'pkg-config', kwargs: static_kwargs)
 510     gio = declare_dependency(dependencies: [gio, gio_unix],
 511                              version: gio.version())
 512   endif
 513 endif
 514
 515 lttng = not_found
 516 if 'ust' in get_option('trace_backends')
 517   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 518                      method: 'pkg-config', kwargs: static_kwargs)
 519 endif
 520 pixman = not_found
 521 if have_system or have_tools
 522   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 523                       method: 'pkg-config', kwargs: static_kwargs)
 524 endif
 525 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 526
 527 libaio = not_found
 528 if not get_option('linux_aio').auto() or have_block
 529   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 530                            required: get_option('linux_aio'),
 531                            kwargs: static_kwargs)
 532 endif
 533
 534 linux_io_uring_test = '''
 535   #include <liburing.h>
 536   #include <linux/errqueue.h>
 537
 538   int main(void) { return 0; }'''
 539
 540 linux_io_uring = not_found
 541 if not get_option('linux_io_uring').auto() or have_block
 542   linux_io_uring = dependency('liburing', version: '>=0.3',
 543                               required: get_option('linux_io_uring'),
 544                               method: 'pkg-config', kwargs: static_kwargs)
 545   if not cc.links(linux_io_uring_test)
 546     linux_io_uring = not_found
 547   endif
 548 endif
 549
 550 libnfs = not_found
 551 if not get_option('libnfs').auto() or have_block
 552   libnfs = dependency('libnfs', version: '>=1.9.3',
 553                       required: get_option('libnfs'),
 554                       method: 'pkg-config', kwargs: static_kwargs)
 555 endif
 556
 557 libattr_test = '''
 558   #include <stddef.h>
 559   #include <sys/types.h>
 560   #ifdef CONFIG_LIBATTR
 561   #include <attr/xattr.h>
 562   #else
 563   #include <sys/xattr.h>
 564   #endif
 565   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 566
 567 libattr = not_found
 568 have_old_libattr = false
 569 if get_option('attr').allowed()
 570   if cc.links(libattr_test)
 571     libattr = declare_dependency()
 572   else
 573     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 574                               required: get_option('attr'),
 575                               kwargs: static_kwargs)
 576     if libattr.found() and not \
 577       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 578       libattr = not_found
 579       if get_option('attr').enabled()
 580         error('could not link libattr')
 581       else
 582         warning('could not link libattr, disabling')
 583       endif
 584     else
 585       have_old_libattr = libattr.found()
 586     endif
 587   endif
 588 endif
 589
 590 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
 591                    required: get_option('cocoa'))
 592 if cocoa.found() and get_option('sdl').enabled()
 593   error('Cocoa and SDL cannot be enabled at the same time')
 594 endif
 595 if cocoa.found() and get_option('gtk').enabled()
 596   error('Cocoa and GTK+ cannot be enabled at the same time')
 597 endif
 598
 599 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 600 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 601                                               'VMNET_BRIDGED_MODE',
 602                                               dependencies: vmnet)
 603   vmnet = not_found
 604   if get_option('vmnet').enabled()
 605     error('vmnet.framework API is outdated')
 606   else
 607     warning('vmnet.framework API is outdated, disabling')
 608   endif
 609 endif
 610
 611 seccomp = not_found
 612 if not get_option('seccomp').auto() or have_system or have_tools
 613   seccomp = dependency('libseccomp', version: '>=2.3.0',
 614                        required: get_option('seccomp'),
 615                        method: 'pkg-config', kwargs: static_kwargs)
 616 endif
 617
 618 libcap_ng = not_found
 619 if not get_option('cap_ng').auto() or have_system or have_tools
 620   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 621                               required: get_option('cap_ng'),
 622                               kwargs: static_kwargs)
 623 endif
 624 if libcap_ng.found() and not cc.links('''
 625    #include <cap-ng.h>
 626    int main(void)
 627    {
 628      capng_capability_to_name(CAPNG_EFFECTIVE);
 629      return 0;
 630    }''', dependencies: libcap_ng)
 631   libcap_ng = not_found
 632   if get_option('cap_ng').enabled()
 633     error('could not link libcap-ng')
 634   else
 635     warning('could not link libcap-ng, disabling')
 636   endif
 637 endif
 638
 639 if get_option('xkbcommon').auto() and not have_system and not have_tools
 640   xkbcommon = not_found
 641 else
 642   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 643                          method: 'pkg-config', kwargs: static_kwargs)
 644 endif
 645
 646 vde = not_found
 647 if not get_option('vde').auto() or have_system or have_tools
 648   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 649                            required: get_option('vde'),
 650                            kwargs: static_kwargs)
 651 endif
 652 if vde.found() and not cc.links('''
 653    #include <libvdeplug.h>
 654    int main(void)
 655    {
 656      struct vde_open_args a = {0, 0, 0};
 657      char s[] = "";
 658      vde_open(s, s, &a);
 659      return 0;
 660    }''', dependencies: vde)
 661   vde = not_found
 662   if get_option('cap_ng').enabled()
 663     error('could not link libvdeplug')
 664   else
 665     warning('could not link libvdeplug, disabling')
 666   endif
 667 endif
 668
 669 pulse = not_found
 670 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 671   pulse = dependency('libpulse', required: get_option('pa'),
 672                      method: 'pkg-config', kwargs: static_kwargs)
 673 endif
 674 alsa = not_found
 675 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 676   alsa = dependency('alsa', required: get_option('alsa'),
 677                     method: 'pkg-config', kwargs: static_kwargs)
 678 endif
 679 jack = not_found
 680 if not get_option('jack').auto() or have_system
 681   jack = dependency('jack', required: get_option('jack'),
 682                     method: 'pkg-config', kwargs: static_kwargs)
 683 endif
 684
 685 spice_protocol = not_found
 686 if not get_option('spice_protocol').auto() or have_system
 687   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 688                               required: get_option('spice_protocol'),
 689                               method: 'pkg-config', kwargs: static_kwargs)
 690 endif
 691 spice = not_found
 692 if not get_option('spice').auto() or have_system
 693   spice = dependency('spice-server', version: '>=0.12.5',
 694                      required: get_option('spice'),
 695                      method: 'pkg-config', kwargs: static_kwargs)
 696 endif
 697 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 698
 699 rt = cc.find_library('rt', required: false)
 700
 701 libiscsi = not_found
 702 if not get_option('libiscsi').auto() or have_block
 703   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 704                          required: get_option('libiscsi'),
 705                          method: 'pkg-config', kwargs: static_kwargs)
 706 endif
 707 zstd = not_found
 708 if not get_option('zstd').auto() or have_block
 709   zstd = dependency('libzstd', version: '>=1.4.0',
 710                     required: get_option('zstd'),
 711                     method: 'pkg-config', kwargs: static_kwargs)
 712 endif
 713 virgl = not_found
 714
 715 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 716 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 717   virgl = dependency('virglrenderer',
 718                      method: 'pkg-config',
 719                      required: get_option('virglrenderer'),
 720                      kwargs: static_kwargs)
 721 endif
 722 curl = not_found
 723 if not get_option('curl').auto() or have_block
 724   curl = dependency('libcurl', version: '>=7.29.0',
 725                     method: 'pkg-config',
 726                     required: get_option('curl'),
 727                     kwargs: static_kwargs)
 728 endif
 729 libudev = not_found
 730 if targetos == 'linux' and (have_system or have_tools)
 731   libudev = dependency('libudev',
 732                        method: 'pkg-config',
 733                        required: get_option('libudev'),
 734                        kwargs: static_kwargs)
 735 endif
 736
 737 mpathlibs = [libudev]
 738 mpathpersist = not_found
 739 mpathpersist_new_api = false
 740 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 741   mpath_test_source_new = '''
 742     #include <libudev.h>
 743     #include <mpath_persist.h>
 744     unsigned mpath_mx_alloc_len = 1024;
 745     int logsink;
 746     static struct config *multipath_conf;
 747     extern struct udev *udev;
 748     extern struct config *get_multipath_config(void);
 749     extern void put_multipath_config(struct config *conf);
 750     struct udev *udev;
 751     struct config *get_multipath_config(void) { return multipath_conf; }
 752     void put_multipath_config(struct config *conf) { }
 753     int main(void) {
 754         udev = udev_new();
 755         multipath_conf = mpath_lib_init();
 756         return 0;
 757     }'''
 758   mpath_test_source_old = '''
 759       #include <libudev.h>
 760       #include <mpath_persist.h>
 761       unsigned mpath_mx_alloc_len = 1024;
 762       int logsink;
 763       int main(void) {
 764           struct udev *udev = udev_new();
 765           mpath_lib_init(udev);
 766           return 0;
 767       }'''
 768   libmpathpersist = cc.find_library('mpathpersist',
 769                                     required: get_option('mpath'),
 770                                     kwargs: static_kwargs)
 771   if libmpathpersist.found()
 772     mpathlibs += libmpathpersist
 773     if enable_static
 774       mpathlibs += cc.find_library('devmapper',
 775                                      required: get_option('mpath'),
 776                                      kwargs: static_kwargs)
 777     endif
 778     mpathlibs += cc.find_library('multipath',
 779                                  required: get_option('mpath'),
 780                                  kwargs: static_kwargs)
 781     foreach lib: mpathlibs
 782       if not lib.found()
 783         mpathlibs = []
 784         break
 785       endif
 786     endforeach
 787     if mpathlibs.length() == 0
 788       msg = 'Dependencies missing for libmpathpersist'
 789     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 790       mpathpersist = declare_dependency(dependencies: mpathlibs)
 791       mpathpersist_new_api = true
 792     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 793       mpathpersist = declare_dependency(dependencies: mpathlibs)
 794     else
 795       msg = 'Cannot detect libmpathpersist API'
 796     endif
 797     if not mpathpersist.found()
 798       if get_option('mpath').enabled()
 799         error(msg)
 800       else
 801         warning(msg + ', disabling')
 802       endif
 803     endif
 804   endif
 805 endif
 806
 807 iconv = not_found
 808 curses = not_found
 809 if have_system and get_option('curses').allowed()
 810   curses_test = '''
 811     #if defined(__APPLE__) || defined(__OpenBSD__)
 812     #define _XOPEN_SOURCE_EXTENDED 1
 813     #endif
 814     #include <locale.h>
 815     #include <curses.h>
 816     #include <wchar.h>
 817     int main(void) {
 818       wchar_t wch = L'w';
 819       setlocale(LC_ALL, "");
 820       resize_term(0, 0);
 821       addwstr(L"wide chars\n");
 822       addnwstr(&wch, 1);
 823       add_wch(WACS_DEGREE);
 824       return 0;
 825     }'''
 826
 827   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 828   foreach curses_dep : curses_dep_list
 829     if not curses.found()
 830       curses = dependency(curses_dep,
 831                           required: false,
 832                           method: 'pkg-config',
 833                           kwargs: static_kwargs)
 834     endif
 835   endforeach
 836   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 837   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 838   if curses.found()
 839     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 840       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 841     else
 842       msg = 'curses package not usable'
 843       curses = not_found
 844     endif
 845   endif
 846   if not curses.found()
 847     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 848     if targetos != 'windows' and not has_curses_h
 849       message('Trying with /usr/include/ncursesw')
 850       curses_compile_args += ['-I/usr/include/ncursesw']
 851       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 852     endif
 853     if has_curses_h
 854       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 855       foreach curses_libname : curses_libname_list
 856         libcurses = cc.find_library(curses_libname,
 857                                     required: false,
 858                                     kwargs: static_kwargs)
 859         if libcurses.found()
 860           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 861             curses = declare_dependency(compile_args: curses_compile_args,
 862                                         dependencies: [libcurses])
 863             break
 864           else
 865             msg = 'curses library not usable'
 866           endif
 867         endif
 868       endforeach
 869     endif
 870   endif
 871   if get_option('iconv').allowed()
 872     foreach link_args : [ ['-liconv'], [] ]
 873       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 874       # We need to use libiconv if available because mixing libiconv's headers with
 875       # the system libc does not work.
 876       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 877       # included in the command line and libiconv will not be found.
 878       if cc.links('''
 879         #include <iconv.h>
 880         int main(void) {
 881           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 882           return conv != (iconv_t) -1;
 883         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 884         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 885         break
 886       endif
 887     endforeach
 888   endif
 889   if curses.found() and not iconv.found()
 890     if get_option('iconv').enabled()
 891       error('iconv not available')
 892     endif
 893     msg = 'iconv required for curses UI but not available'
 894     curses = not_found
 895   endif
 896   if not curses.found() and msg != ''
 897     if get_option('curses').enabled()
 898       error(msg)
 899     else
 900       warning(msg + ', disabling')
 901     endif
 902   endif
 903 endif
 904
 905 brlapi = not_found
 906 if not get_option('brlapi').auto() or have_system
 907   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 908                          required: get_option('brlapi'),
 909                          kwargs: static_kwargs)
 910   if brlapi.found() and not cc.links('''
 911      #include <brlapi.h>
 912      #include <stddef.h>
 913      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 914     brlapi = not_found
 915     if get_option('brlapi').enabled()
 916       error('could not link brlapi')
 917     else
 918       warning('could not link brlapi, disabling')
 919     endif
 920   endif
 921 endif
 922
 923 sdl = not_found
 924 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 925   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 926   sdl_image = not_found
 927 endif
 928 if sdl.found()
 929   # work around 2.0.8 bug
 930   sdl = declare_dependency(compile_args: '-Wno-undef',
 931                            dependencies: sdl)
 932   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 933                          method: 'pkg-config', kwargs: static_kwargs)
 934 else
 935   if get_option('sdl_image').enabled()
 936     error('sdl-image required, but SDL was @0@'.format(
 937           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 938   endif
 939   sdl_image = not_found
 940 endif
 941
 942 rbd = not_found
 943 if not get_option('rbd').auto() or have_block
 944   librados = cc.find_library('rados', required: get_option('rbd'),
 945                              kwargs: static_kwargs)
 946   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 947                            required: get_option('rbd'),
 948                            kwargs: static_kwargs)
 949   if librados.found() and librbd.found()
 950     if cc.links('''
 951       #include <stdio.h>
 952       #include <rbd/librbd.h>
 953       int main(void) {
 954         rados_t cluster;
 955         rados_create(&cluster, NULL);
 956         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 957         #error
 958         #endif
 959         return 0;
 960       }''', dependencies: [librbd, librados])
 961       rbd = declare_dependency(dependencies: [librbd, librados])
 962     elif get_option('rbd').enabled()
 963       error('librbd >= 1.12.0 required')
 964     else
 965       warning('librbd >= 1.12.0 not found, disabling')
 966     endif
 967   endif
 968 endif
 969
 970 glusterfs = not_found
 971 glusterfs_ftruncate_has_stat = false
 972 glusterfs_iocb_has_stat = false
 973 if not get_option('glusterfs').auto() or have_block
 974   glusterfs = dependency('glusterfs-api', version: '>=3',
 975                          required: get_option('glusterfs'),
 976                          method: 'pkg-config', kwargs: static_kwargs)
 977   if glusterfs.found()
 978     glusterfs_ftruncate_has_stat = cc.links('''
 979       #include <glusterfs/api/glfs.h>
 980
 981       int
 982       main(void)
 983       {
 984           /* new glfs_ftruncate() passes two additional args */
 985           return glfs_ftruncate(NULL, 0, NULL, NULL);
 986       }
 987     ''', dependencies: glusterfs)
 988     glusterfs_iocb_has_stat = cc.links('''
 989       #include <glusterfs/api/glfs.h>
 990
 991       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 992       static void
 993       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 994       {}
 995
 996       int
 997       main(void)
 998       {
 999           glfs_io_cbk iocb = &glusterfs_iocb;
1000           iocb(NULL, 0 , NULL, NULL, NULL);
1001           return 0;
1002       }
1003     ''', dependencies: glusterfs)
1004   endif
1005 endif
1006
1007 libssh = not_found
1008 if not get_option('libssh').auto() or have_block
1009   libssh = dependency('libssh', version: '>=0.8.7',
1010                     method: 'pkg-config',
1011                     required: get_option('libssh'),
1012                     kwargs: static_kwargs)
1013 endif
1014
1015 libbzip2 = not_found
1016 if not get_option('bzip2').auto() or have_block
1017   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1018                              required: get_option('bzip2'),
1019                              kwargs: static_kwargs)
1020   if libbzip2.found() and not cc.links('''
1021      #include <bzlib.h>
1022      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1023     libbzip2 = not_found
1024     if get_option('bzip2').enabled()
1025       error('could not link libbzip2')
1026     else
1027       warning('could not link libbzip2, disabling')
1028     endif
1029   endif
1030 endif
1031
1032 liblzfse = not_found
1033 if not get_option('lzfse').auto() or have_block
1034   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1035                              required: get_option('lzfse'),
1036                              kwargs: static_kwargs)
1037 endif
1038 if liblzfse.found() and not cc.links('''
1039    #include <lzfse.h>
1040    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1041   liblzfse = not_found
1042   if get_option('lzfse').enabled()
1043     error('could not link liblzfse')
1044   else
1045     warning('could not link liblzfse, disabling')
1046   endif
1047 endif
1048
1049 oss = not_found
1050 if get_option('oss').allowed() and have_system
1051   if not cc.has_header('sys/soundcard.h')
1052     # not found
1053   elif targetos == 'netbsd'
1054     oss = cc.find_library('ossaudio', required: get_option('oss'),
1055                           kwargs: static_kwargs)
1056   else
1057     oss = declare_dependency()
1058   endif
1059
1060   if not oss.found()
1061     if get_option('oss').enabled()
1062       error('OSS not found')
1063     endif
1064   endif
1065 endif
1066 dsound = not_found
1067 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1068   if cc.has_header('dsound.h')
1069     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1070   endif
1071
1072   if not dsound.found()
1073     if get_option('dsound').enabled()
1074       error('DirectSound not found')
1075     endif
1076   endif
1077 endif
1078
1079 coreaudio = not_found
1080 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1081   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1082                          required: get_option('coreaudio'))
1083 endif
1084
1085 opengl = not_found
1086 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1087   epoxy = dependency('epoxy', method: 'pkg-config',
1088                       required: get_option('opengl'), kwargs: static_kwargs)
1089   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1090     opengl = epoxy
1091   elif get_option('opengl').enabled()
1092     error('epoxy/egl.h not found')
1093   endif
1094 endif
1095 gbm = not_found
1096 if (have_system or have_tools) and (virgl.found() or opengl.found())
1097   gbm = dependency('gbm', method: 'pkg-config', required: false,
1098                    kwargs: static_kwargs)
1099 endif
1100 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1101
1102 gnutls = not_found
1103 gnutls_crypto = not_found
1104 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1105   # For general TLS support our min gnutls matches
1106   # that implied by our platform support matrix
1107   #
1108   # For the crypto backends, we look for a newer
1109   # gnutls:
1110   #
1111   #   Version 3.6.8  is needed to get XTS
1112   #   Version 3.6.13 is needed to get PBKDF
1113   #   Version 3.6.14 is needed to get HW accelerated XTS
1114   #
1115   # If newer enough gnutls isn't available, we can
1116   # still use a different crypto backend to satisfy
1117   # the platform support requirements
1118   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1119                              method: 'pkg-config',
1120                              required: false,
1121                              kwargs: static_kwargs)
1122   if gnutls_crypto.found()
1123     gnutls = gnutls_crypto
1124   else
1125     # Our min version if all we need is TLS
1126     gnutls = dependency('gnutls', version: '>=3.5.18',
1127                         method: 'pkg-config',
1128                         required: get_option('gnutls'),
1129                         kwargs: static_kwargs)
1130   endif
1131 endif
1132
1133 # We prefer use of gnutls for crypto, unless the options
1134 # explicitly asked for nettle or gcrypt.
1135 #
1136 # If gnutls isn't available for crypto, then we'll prefer
1137 # gcrypt over nettle for performance reasons.
1138 gcrypt = not_found
1139 nettle = not_found
1140 hogweed = not_found
1141 xts = 'none'
1142
1143 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1144   error('Only one of gcrypt & nettle can be enabled')
1145 endif
1146
1147 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1148 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1149   gnutls_crypto = not_found
1150 endif
1151
1152 if not gnutls_crypto.found()
1153   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1154     gcrypt = dependency('libgcrypt', version: '>=1.8',
1155                         method: 'config-tool',
1156                         required: get_option('gcrypt'),
1157                         kwargs: static_kwargs)
1158     # Debian has removed -lgpg-error from libgcrypt-config
1159     # as it "spreads unnecessary dependencies" which in
1160     # turn breaks static builds...
1161     if gcrypt.found() and enable_static
1162       gcrypt = declare_dependency(dependencies: [
1163         gcrypt,
1164         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1165     endif
1166   endif
1167   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1168     nettle = dependency('nettle', version: '>=3.4',
1169                         method: 'pkg-config',
1170                         required: get_option('nettle'),
1171                         kwargs: static_kwargs)
1172     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1173       xts = 'private'
1174     endif
1175   endif
1176 endif
1177
1178 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1179 if nettle.found() and gmp.found()
1180   hogweed = dependency('hogweed', version: '>=3.4',
1181                        method: 'pkg-config',
1182                        required: get_option('nettle'),
1183                        kwargs: static_kwargs)
1184 endif
1185
1186
1187 gtk = not_found
1188 gtkx11 = not_found
1189 vte = not_found
1190 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1191   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1192                    method: 'pkg-config',
1193                    required: get_option('gtk'),
1194                    kwargs: static_kwargs)
1195   if gtk.found()
1196     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1197                         method: 'pkg-config',
1198                         required: false,
1199                         kwargs: static_kwargs)
1200     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1201
1202     if not get_option('vte').auto() or have_system
1203       vte = dependency('vte-2.91',
1204                        method: 'pkg-config',
1205                        required: get_option('vte'),
1206                        kwargs: static_kwargs)
1207     endif
1208   endif
1209 endif
1210
1211 x11 = not_found
1212 if gtkx11.found()
1213   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1214                    kwargs: static_kwargs)
1215 endif
1216 png = not_found
1217 if get_option('png').allowed() and have_system
1218    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1219                     method: 'pkg-config', kwargs: static_kwargs)
1220 endif
1221 vnc = not_found
1222 jpeg = not_found
1223 sasl = not_found
1224 if get_option('vnc').allowed() and have_system
1225   vnc = declare_dependency() # dummy dependency
1226   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1227                     method: 'pkg-config', kwargs: static_kwargs)
1228   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1229                          required: get_option('vnc_sasl'),
1230                          kwargs: static_kwargs)
1231   if sasl.found()
1232     sasl = declare_dependency(dependencies: sasl,
1233                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1234   endif
1235 endif
1236
1237 pam = not_found
1238 if not get_option('auth_pam').auto() or have_system
1239   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1240                         required: get_option('auth_pam'),
1241                         kwargs: static_kwargs)
1242 endif
1243 if pam.found() and not cc.links('''
1244    #include <stddef.h>
1245    #include <security/pam_appl.h>
1246    int main(void) {
1247      const char *service_name = "qemu";
1248      const char *user = "frank";
1249      const struct pam_conv pam_conv = { 0 };
1250      pam_handle_t *pamh = NULL;
1251      pam_start(service_name, user, &pam_conv, &pamh);
1252      return 0;
1253    }''', dependencies: pam)
1254   pam = not_found
1255   if get_option('auth_pam').enabled()
1256     error('could not link libpam')
1257   else
1258     warning('could not link libpam, disabling')
1259   endif
1260 endif
1261
1262 snappy = not_found
1263 if not get_option('snappy').auto() or have_system
1264   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1265                            required: get_option('snappy'),
1266                            kwargs: static_kwargs)
1267 endif
1268 if snappy.found() and not linker.links('''
1269    #include <snappy-c.h>
1270    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1271   snappy = not_found
1272   if get_option('snappy').enabled()
1273     error('could not link libsnappy')
1274   else
1275     warning('could not link libsnappy, disabling')
1276   endif
1277 endif
1278
1279 lzo = not_found
1280 if not get_option('lzo').auto() or have_system
1281   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1282                         required: get_option('lzo'),
1283                         kwargs: static_kwargs)
1284 endif
1285 if lzo.found() and not cc.links('''
1286    #include <lzo/lzo1x.h>
1287    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1288   lzo = not_found
1289   if get_option('lzo').enabled()
1290     error('could not link liblzo2')
1291   else
1292     warning('could not link liblzo2, disabling')
1293   endif
1294 endif
1295
1296 numa = not_found
1297 if not get_option('numa').auto() or have_system or have_tools
1298   numa = cc.find_library('numa', has_headers: ['numa.h'],
1299                               required: get_option('numa'),
1300                               kwargs: static_kwargs)
1301 endif
1302 if numa.found() and not cc.links('''
1303    #include <numa.h>
1304    int main(void) { return numa_available(); }
1305    ''', dependencies: numa)
1306   numa = not_found
1307   if get_option('numa').enabled()
1308     error('could not link numa')
1309   else
1310     warning('could not link numa, disabling')
1311   endif
1312 endif
1313
1314 rdma = not_found
1315 if not get_option('rdma').auto() or have_system
1316   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1317   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1318                                required: get_option('rdma'),
1319                                kwargs: static_kwargs),
1320                cc.find_library('ibverbs', required: get_option('rdma'),
1321                                kwargs: static_kwargs),
1322                libumad]
1323   rdma = declare_dependency(dependencies: rdma_libs)
1324   foreach lib: rdma_libs
1325     if not lib.found()
1326       rdma = not_found
1327     endif
1328   endforeach
1329 endif
1330
1331 xen = not_found
1332 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1333   xencontrol = dependency('xencontrol', required: false,
1334                           method: 'pkg-config', kwargs: static_kwargs)
1335   if xencontrol.found()
1336     xen_pc = declare_dependency(version: xencontrol.version(),
1337       dependencies: [
1338         xencontrol,
1339         # disabler: true makes xen_pc.found() return false if any is not found
1340         dependency('xenstore', required: false,
1341                    method: 'pkg-config', kwargs: static_kwargs,
1342                    disabler: true),
1343         dependency('xenforeignmemory', required: false,
1344                    method: 'pkg-config', kwargs: static_kwargs,
1345                    disabler: true),
1346         dependency('xengnttab', required: false,
1347                    method: 'pkg-config', kwargs: static_kwargs,
1348                    disabler: true),
1349         dependency('xenevtchn', required: false,
1350                    method: 'pkg-config', kwargs: static_kwargs,
1351                    disabler: true),
1352         dependency('xendevicemodel', required: false,
1353                    method: 'pkg-config', kwargs: static_kwargs,
1354                    disabler: true),
1355         # optional, no "disabler: true"
1356         dependency('xentoolcore', required: false,
1357                    method: 'pkg-config', kwargs: static_kwargs)])
1358     if xen_pc.found()
1359       xen = xen_pc
1360     endif
1361   endif
1362   if not xen.found()
1363     xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1364     xen_libs = {
1365       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1366       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1367       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1368       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1369       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1370       '4.6.0': [ 'xenstore', 'xenctrl' ],
1371       '4.5.0': [ 'xenstore', 'xenctrl' ],
1372       '4.2.0': [ 'xenstore', 'xenctrl' ],
1373     }
1374     xen_deps = {}
1375     foreach ver: xen_tests
1376       # cache the various library tests to avoid polluting the logs
1377       xen_test_deps = []
1378       foreach l: xen_libs[ver]
1379         if l not in xen_deps
1380           xen_deps += { l: cc.find_library(l, required: false) }
1381         endif
1382         xen_test_deps += xen_deps[l]
1383       endforeach
1384
1385       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1386       xen_version = ver.split('.')
1387       xen_ctrl_version = xen_version[0] + \
1388         ('0' + xen_version[1]).substring(-2) + \
1389         ('0' + xen_version[2]).substring(-2)
1390       if cc.links(files('scripts/xen-detect.c'),
1391                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1392                   dependencies: xen_test_deps)
1393         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1394         break
1395       endif
1396     endforeach
1397   endif
1398   if xen.found()
1399     accelerators += 'CONFIG_XEN'
1400   elif get_option('xen').enabled()
1401     error('could not compile and link Xen test program')
1402   endif
1403 endif
1404 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1405   .require(xen.found(),
1406            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1407   .require(targetos == 'linux',
1408            error_message: 'Xen PCI passthrough not available on this platform') \
1409   .allowed()
1410
1411
1412 cacard = not_found
1413 if not get_option('smartcard').auto() or have_system
1414   cacard = dependency('libcacard', required: get_option('smartcard'),
1415                       version: '>=2.5.1', method: 'pkg-config',
1416                       kwargs: static_kwargs)
1417 endif
1418 u2f = not_found
1419 if have_system
1420   u2f = dependency('u2f-emu', required: get_option('u2f'),
1421                    method: 'pkg-config',
1422                    kwargs: static_kwargs)
1423 endif
1424 canokey = not_found
1425 if have_system
1426   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1427                    method: 'pkg-config',
1428                    kwargs: static_kwargs)
1429 endif
1430 usbredir = not_found
1431 if not get_option('usb_redir').auto() or have_system
1432   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1433                         version: '>=0.6', method: 'pkg-config',
1434                         kwargs: static_kwargs)
1435 endif
1436 libusb = not_found
1437 if not get_option('libusb').auto() or have_system
1438   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1439                       version: '>=1.0.13', method: 'pkg-config',
1440                       kwargs: static_kwargs)
1441 endif
1442
1443 libpmem = not_found
1444 if not get_option('libpmem').auto() or have_system
1445   libpmem = dependency('libpmem', required: get_option('libpmem'),
1446                        method: 'pkg-config', kwargs: static_kwargs)
1447 endif
1448 libdaxctl = not_found
1449 if not get_option('libdaxctl').auto() or have_system
1450   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1451                          version: '>=57', method: 'pkg-config',
1452                          kwargs: static_kwargs)
1453 endif
1454 tasn1 = not_found
1455 if gnutls.found()
1456   tasn1 = dependency('libtasn1',
1457                      method: 'pkg-config',
1458                      kwargs: static_kwargs)
1459 endif
1460 keyutils = dependency('libkeyutils', required: false,
1461                       method: 'pkg-config', kwargs: static_kwargs)
1462
1463 has_gettid = cc.has_function('gettid')
1464
1465 # libselinux
1466 selinux = dependency('libselinux',
1467                      required: get_option('selinux'),
1468                      method: 'pkg-config', kwargs: static_kwargs)
1469
1470 # Malloc tests
1471
1472 malloc = []
1473 if get_option('malloc') == 'system'
1474   has_malloc_trim = \
1475     get_option('malloc_trim').allowed() and \
1476     cc.links('''#include <malloc.h>
1477                 int main(void) { malloc_trim(0); return 0; }''')
1478 else
1479   has_malloc_trim = false
1480   malloc = cc.find_library(get_option('malloc'), required: true)
1481 endif
1482 if not has_malloc_trim and get_option('malloc_trim').enabled()
1483   if get_option('malloc') == 'system'
1484     error('malloc_trim not available on this platform.')
1485   else
1486     error('malloc_trim not available with non-libc memory allocator')
1487   endif
1488 endif
1489
1490 # Check whether the glibc provides statx()
1491
1492 gnu_source_prefix = '''
1493   #ifndef _GNU_SOURCE
1494   #define _GNU_SOURCE
1495   #endif
1496 '''
1497 statx_test = gnu_source_prefix + '''
1498   #include <sys/stat.h>
1499   int main(void) {
1500     struct statx statxbuf;
1501     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1502     return 0;
1503   }'''
1504
1505 has_statx = cc.links(statx_test)
1506
1507 # Check whether statx() provides mount ID information
1508
1509 statx_mnt_id_test = gnu_source_prefix + '''
1510   #include <sys/stat.h>
1511   int main(void) {
1512     struct statx statxbuf;
1513     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1514     return statxbuf.stx_mnt_id;
1515   }'''
1516
1517 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1518
1519 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1520   .require(targetos == 'linux',
1521            error_message: 'vhost_user_blk_server requires linux') \
1522   .require(have_vhost_user,
1523            error_message: 'vhost_user_blk_server requires vhost-user support') \
1524   .disable_auto_if(not have_tools and not have_system) \
1525   .allowed()
1526
1527 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1528   error('Cannot enable fuse-lseek while fuse is disabled')
1529 endif
1530
1531 fuse = dependency('fuse3', required: get_option('fuse'),
1532                   version: '>=3.1', method: 'pkg-config',
1533                   kwargs: static_kwargs)
1534
1535 fuse_lseek = not_found
1536 if get_option('fuse_lseek').allowed()
1537   if fuse.version().version_compare('>=3.8')
1538     # Dummy dependency
1539     fuse_lseek = declare_dependency()
1540   elif get_option('fuse_lseek').enabled()
1541     if fuse.found()
1542       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1543     else
1544       error('fuse-lseek requires libfuse, which was not found')
1545     endif
1546   endif
1547 endif
1548
1549 have_libvduse = (targetos == 'linux')
1550 if get_option('libvduse').enabled()
1551     if targetos != 'linux'
1552         error('libvduse requires linux')
1553     endif
1554 elif get_option('libvduse').disabled()
1555     have_libvduse = false
1556 endif
1557
1558 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1559 if get_option('vduse_blk_export').enabled()
1560     if targetos != 'linux'
1561         error('vduse_blk_export requires linux')
1562     elif not have_libvduse
1563         error('vduse_blk_export requires libvduse support')
1564     endif
1565 elif get_option('vduse_blk_export').disabled()
1566     have_vduse_blk_export = false
1567 endif
1568
1569 # libbpf
1570 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1571 if libbpf.found() and not cc.links('''
1572    #include <bpf/libbpf.h>
1573    int main(void)
1574    {
1575      bpf_object__destroy_skeleton(NULL);
1576      return 0;
1577    }''', dependencies: libbpf)
1578   libbpf = not_found
1579   if get_option('bpf').enabled()
1580     error('libbpf skeleton test failed')
1581   else
1582     warning('libbpf skeleton test failed, disabling')
1583   endif
1584 endif
1585
1586 #################
1587 # config-host.h #
1588 #################
1589
1590 audio_drivers_selected = []
1591 if have_system
1592   audio_drivers_available = {
1593     'alsa': alsa.found(),
1594     'coreaudio': coreaudio.found(),
1595     'dsound': dsound.found(),
1596     'jack': jack.found(),
1597     'oss': oss.found(),
1598     'pa': pulse.found(),
1599     'sdl': sdl.found(),
1600   }
1601   foreach k, v: audio_drivers_available
1602     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1603   endforeach
1604
1605   # Default to native drivers first, OSS second, SDL third
1606   audio_drivers_priority = \
1607     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1608     (targetos == 'linux' ? [] : [ 'sdl' ])
1609   audio_drivers_default = []
1610   foreach k: audio_drivers_priority
1611     if audio_drivers_available[k]
1612       audio_drivers_default += k
1613     endif
1614   endforeach
1615
1616   foreach k: get_option('audio_drv_list')
1617     if k == 'default'
1618       audio_drivers_selected += audio_drivers_default
1619     elif not audio_drivers_available[k]
1620       error('Audio driver "@0@" not available.'.format(k))
1621     else
1622       audio_drivers_selected += k
1623     endif
1624   endforeach
1625 endif
1626 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1627                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1628
1629 if get_option('cfi')
1630   cfi_flags=[]
1631   # Check for dependency on LTO
1632   if not get_option('b_lto')
1633     error('Selected Control-Flow Integrity but LTO is disabled')
1634   endif
1635   if config_host.has_key('CONFIG_MODULES')
1636     error('Selected Control-Flow Integrity is not compatible with modules')
1637   endif
1638   # Check for cfi flags. CFI requires LTO so we can't use
1639   # get_supported_arguments, but need a more complex "compiles" which allows
1640   # custom arguments
1641   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1642                  args: ['-flto', '-fsanitize=cfi-icall'] )
1643     cfi_flags += '-fsanitize=cfi-icall'
1644   else
1645     error('-fsanitize=cfi-icall is not supported by the compiler')
1646   endif
1647   if cc.compiles('int main () { return 0; }',
1648                  name: '-fsanitize-cfi-icall-generalize-pointers',
1649                  args: ['-flto', '-fsanitize=cfi-icall',
1650                         '-fsanitize-cfi-icall-generalize-pointers'] )
1651     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1652   else
1653     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1654   endif
1655   if get_option('cfi_debug')
1656     if cc.compiles('int main () { return 0; }',
1657                    name: '-fno-sanitize-trap=cfi-icall',
1658                    args: ['-flto', '-fsanitize=cfi-icall',
1659                           '-fno-sanitize-trap=cfi-icall'] )
1660       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1661     else
1662       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1663     endif
1664   endif
1665   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1666   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1667 endif
1668
1669 have_host_block_device = (targetos != 'darwin' or
1670     cc.has_header('IOKit/storage/IOMedia.h'))
1671
1672 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1673 dbus_display = get_option('dbus_display') \
1674   .require(gio.version().version_compare('>=2.64'),
1675            error_message: '-display dbus requires glib>=2.64') \
1676   .require(enable_modules,
1677            error_message: '-display dbus requires --enable-modules') \
1678   .require(gdbus_codegen.found(),
1679            error_message: '-display dbus requires gdbus-codegen') \
1680   .require(opengl.found() and gbm.found(),
1681            error_message: '-display dbus requires epoxy/egl and gbm') \
1682   .allowed()
1683
1684 have_virtfs = get_option('virtfs') \
1685     .require(targetos == 'linux' or targetos == 'darwin',
1686              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1687     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1688              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1689     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1690              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1691     .disable_auto_if(not have_tools and not have_system) \
1692     .allowed()
1693
1694 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1695
1696 if get_option('block_drv_ro_whitelist') == ''
1697   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1698 else
1699   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1700         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1701 endif
1702 if get_option('block_drv_rw_whitelist') == ''
1703   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1704 else
1705   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1706         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1707 endif
1708
1709 foreach k : get_option('trace_backends')
1710   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1711 endforeach
1712 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1713 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1714 if iasl.found()
1715   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1716 endif
1717 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1718 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1719 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1720 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1721 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1722
1723 qemu_firmwarepath = ''
1724 foreach k : get_option('qemu_firmwarepath')
1725   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1726 endforeach
1727 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1728
1729 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1730 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1731 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1732 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1733 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1734 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1735
1736 if config_host.has_key('CONFIG_MODULES')
1737   config_host_data.set('CONFIG_STAMP', run_command(
1738       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1739       meson.project_version(), get_option('pkgversion'), '--',
1740       meson.current_source_dir() / 'configure',
1741       capture: true, check: true).stdout().strip())
1742 endif
1743
1744 have_slirp_smbd = get_option('slirp_smbd') \
1745   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1746   .allowed()
1747 if have_slirp_smbd
1748   smbd_path = get_option('smbd')
1749   if smbd_path == ''
1750     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1751   endif
1752   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1753 endif
1754
1755 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1756
1757 if get_option('module_upgrades') and not enable_modules
1758   error('Cannot enable module-upgrades as modules are not enabled')
1759 endif
1760 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1761
1762 config_host_data.set('CONFIG_ATTR', libattr.found())
1763 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1764 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1765 config_host_data.set('CONFIG_COCOA', cocoa.found())
1766 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1767 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1768 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1769 config_host_data.set('CONFIG_LZO', lzo.found())
1770 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1771 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1772 config_host_data.set('CONFIG_CURL', curl.found())
1773 config_host_data.set('CONFIG_CURSES', curses.found())
1774 config_host_data.set('CONFIG_GBM', gbm.found())
1775 config_host_data.set('CONFIG_GIO', gio.found())
1776 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1777 if glusterfs.found()
1778   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1779   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1780   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1781   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1782   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1783   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1784 endif
1785 config_host_data.set('CONFIG_GTK', gtk.found())
1786 config_host_data.set('CONFIG_VTE', vte.found())
1787 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1788 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1789 config_host_data.set('CONFIG_EBPF', libbpf.found())
1790 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1791 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1792 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1793 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1794 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1795 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1796 config_host_data.set('CONFIG_LIBURING_REGISTER_RING_FD', cc.has_function('io_uring_register_ring_fd', prefix: '#include <liburing.h>', dependencies:linux_io_uring))
1797 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1798 config_host_data.set('CONFIG_NUMA', numa.found())
1799 config_host_data.set('CONFIG_OPENGL', opengl.found())
1800 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1801 config_host_data.set('CONFIG_RBD', rbd.found())
1802 config_host_data.set('CONFIG_RDMA', rdma.found())
1803 config_host_data.set('CONFIG_SDL', sdl.found())
1804 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1805 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1806 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1807 config_host_data.set('CONFIG_TPM', have_tpm)
1808 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1809 config_host_data.set('CONFIG_VDE', vde.found())
1810 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1811 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1812 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1813 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1814 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1815 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1816 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1817 config_host_data.set('CONFIG_VMNET', vmnet.found())
1818 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1819 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1820 config_host_data.set('CONFIG_PNG', png.found())
1821 config_host_data.set('CONFIG_VNC', vnc.found())
1822 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1823 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1824 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1825 config_host_data.set('CONFIG_VTE', vte.found())
1826 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1827 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1828 config_host_data.set('CONFIG_GETTID', has_gettid)
1829 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1830 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1831 config_host_data.set('CONFIG_TASN1', tasn1.found())
1832 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1833 config_host_data.set('CONFIG_NETTLE', nettle.found())
1834 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1835 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1836 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1837 config_host_data.set('CONFIG_STATX', has_statx)
1838 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1839 config_host_data.set('CONFIG_ZSTD', zstd.found())
1840 config_host_data.set('CONFIG_FUSE', fuse.found())
1841 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1842 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1843 if spice_protocol.found()
1844 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1845 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1846 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1847 endif
1848 config_host_data.set('CONFIG_SPICE', spice.found())
1849 config_host_data.set('CONFIG_X11', x11.found())
1850 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1851 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1852 config_host_data.set('CONFIG_SELINUX', selinux.found())
1853 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1854 if xen.found()
1855   # protect from xen.version() having less than three components
1856   xen_version = xen.version().split('.') + ['0', '0']
1857   xen_ctrl_version = xen_version[0] + \
1858     ('0' + xen_version[1]).substring(-2) + \
1859     ('0' + xen_version[2]).substring(-2)
1860   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1861 endif
1862 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1863 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1864 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1865 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1866
1867 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1868 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1869
1870 have_coroutine_pool = get_option('coroutine_pool')
1871 if get_option('debug_stack_usage') and have_coroutine_pool
1872   message('Disabling coroutine pool to measure stack usage')
1873   have_coroutine_pool = false
1874 endif
1875 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1876 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1877 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1878 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1879 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1880 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1881 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1882
1883 # has_header
1884 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1885 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1886 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1887 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1888 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1889 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1890 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1891 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1892 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1893 if targetos == 'windows'
1894   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1895 endif
1896
1897 # has_function
1898 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1899 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1900 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1901 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1902 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1903 # Note that we need to specify prefix: here to avoid incorrectly
1904 # thinking that Windows has posix_memalign()
1905 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1906 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1907 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1908 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1909 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1910 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1911 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1912 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1913 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1914 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1915 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1916 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1917 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1918 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1919 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1920 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1921 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1922 if rbd.found()
1923   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1924                        cc.has_function('rbd_namespace_exists',
1925                                        dependencies: rbd,
1926                                        prefix: '#include <rbd/librbd.h>'))
1927 endif
1928 if rdma.found()
1929   config_host_data.set('HAVE_IBV_ADVISE_MR',
1930                        cc.has_function('ibv_advise_mr',
1931                                        dependencies: rdma,
1932                                        prefix: '#include <infiniband/verbs.h>'))
1933 endif
1934
1935 # has_header_symbol
1936 config_host_data.set('CONFIG_BYTESWAP_H',
1937                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1938 config_host_data.set('CONFIG_EPOLL_CREATE1',
1939                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1940 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1941                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1942                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1943 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1944                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1945 config_host_data.set('CONFIG_FIEMAP',
1946                      cc.has_header('linux/fiemap.h') and
1947                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1948 config_host_data.set('CONFIG_GETRANDOM',
1949                      cc.has_function('getrandom') and
1950                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1951 config_host_data.set('CONFIG_INOTIFY',
1952                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1953 config_host_data.set('CONFIG_INOTIFY1',
1954                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1955 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1956                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1957                                           prefix: '''#include <sys/endian.h>
1958                                                      #include <sys/types.h>'''))
1959 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1960                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1961 config_host_data.set('CONFIG_RTNETLINK',
1962                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1963 config_host_data.set('CONFIG_SYSMACROS',
1964                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1965 config_host_data.set('HAVE_OPTRESET',
1966                      cc.has_header_symbol('getopt.h', 'optreset'))
1967 config_host_data.set('HAVE_IPPROTO_MPTCP',
1968                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1969 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
1970                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
1971
1972 # has_member
1973 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1974                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1975                                    prefix: '#include <signal.h>'))
1976 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1977                      cc.has_member('struct stat', 'st_atim',
1978                                    prefix: '#include <sys/stat.h>'))
1979
1980 # has_type
1981 config_host_data.set('CONFIG_IOVEC',
1982                      cc.has_type('struct iovec',
1983                                  prefix: '#include <sys/uio.h>'))
1984 config_host_data.set('HAVE_UTMPX',
1985                      cc.has_type('struct utmpx',
1986                                  prefix: '#include <utmpx.h>'))
1987
1988 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1989   #include <sys/eventfd.h>
1990   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1991 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1992   #include <unistd.h>
1993   int main(void) {
1994   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1995   return fdatasync(0);
1996   #else
1997   #error Not supported
1998   #endif
1999   }'''))
2000
2001 has_madvise = cc.links(gnu_source_prefix + '''
2002   #include <sys/types.h>
2003   #include <sys/mman.h>
2004   #include <stddef.h>
2005   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2006 missing_madvise_proto = false
2007 if has_madvise
2008   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2009   # but forget to prototype it. In this case, has_madvise will be true (the
2010   # test program links despite a compile warning). To detect the
2011   # missing-prototype case, we try again with a definitely-bogus prototype.
2012   # This will only compile if the system headers don't provide the prototype;
2013   # otherwise the conflicting prototypes will cause a compiler error.
2014   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2015     #include <sys/types.h>
2016     #include <sys/mman.h>
2017     #include <stddef.h>
2018     extern int madvise(int);
2019     int main(void) { return madvise(0); }''')
2020 endif
2021 config_host_data.set('CONFIG_MADVISE', has_madvise)
2022 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2023
2024 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2025   #include <sys/mman.h>
2026   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2027 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2028   #include <fcntl.h>
2029   #if !defined(AT_EMPTY_PATH)
2030   # error missing definition
2031   #else
2032   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2033   #endif'''))
2034 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2035   #include <sys/mman.h>
2036   #include <stddef.h>
2037   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2038
2039 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2040   #include <pthread.h>
2041
2042   static void *f(void *p) { return NULL; }
2043   int main(void)
2044   {
2045     pthread_t thread;
2046     pthread_create(&thread, 0, f, 0);
2047     pthread_setname_np(thread, "QEMU");
2048     return 0;
2049   }''', dependencies: threads))
2050 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2051   #include <pthread.h>
2052
2053   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2054   int main(void)
2055   {
2056     pthread_t thread;
2057     pthread_create(&thread, 0, f, 0);
2058     return 0;
2059   }''', dependencies: threads))
2060 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2061   #include <pthread.h>
2062   #include <time.h>
2063
2064   int main(void)
2065   {
2066     pthread_condattr_t attr
2067     pthread_condattr_init(&attr);
2068     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2069     return 0;
2070   }''', dependencies: threads))
2071
2072 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2073   #include <sys/signalfd.h>
2074   #include <stddef.h>
2075   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2076 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2077   #include <unistd.h>
2078   #include <fcntl.h>
2079   #include <limits.h>
2080
2081   int main(void)
2082   {
2083     int len, fd = 0;
2084     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2085     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2086     return 0;
2087   }'''))
2088
2089 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2090   #include <sys/mman.h>
2091   int main(int argc, char *argv[]) {
2092     return mlockall(MCL_FUTURE);
2093   }'''))
2094
2095 have_l2tpv3 = false
2096 if get_option('l2tpv3').allowed() and have_system
2097   have_l2tpv3 = cc.has_type('struct mmsghdr',
2098     prefix: gnu_source_prefix + '''
2099       #include <sys/socket.h>
2100       #include <linux/ip.h>''')
2101 endif
2102 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2103
2104 have_netmap = false
2105 if get_option('netmap').allowed() and have_system
2106   have_netmap = cc.compiles('''
2107     #include <inttypes.h>
2108     #include <net/if.h>
2109     #include <net/netmap.h>
2110     #include <net/netmap_user.h>
2111     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2112     #error
2113     #endif
2114     int main(void) { return 0; }''')
2115   if not have_netmap and get_option('netmap').enabled()
2116     error('Netmap headers not available')
2117   endif
2118 endif
2119 config_host_data.set('CONFIG_NETMAP', have_netmap)
2120
2121 # Work around a system header bug with some kernel/XFS header
2122 # versions where they both try to define 'struct fsxattr':
2123 # xfs headers will not try to redefine structs from linux headers
2124 # if this macro is set.
2125 config_host_data.set('HAVE_FSXATTR', cc.links('''
2126   #include <linux/fs.h>
2127   struct fsxattr foo;
2128   int main(void) {
2129     return 0;
2130   }'''))
2131
2132 # Some versions of Mac OS X incorrectly define SIZE_MAX
2133 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2134     #include <stdint.h>
2135     #include <stdio.h>
2136     int main(int argc, char *argv[]) {
2137         return printf("%zu", SIZE_MAX);
2138     }''', args: ['-Werror']))
2139
2140 atomic_test = '''
2141   #include <stdint.h>
2142   int main(void)
2143   {
2144     @0@ x = 0, y = 0;
2145     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2146     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2147     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2148     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2149     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2150     return 0;
2151   }'''
2152
2153 # See if 64-bit atomic operations are supported.
2154 # Note that without __atomic builtins, we can only
2155 # assume atomic loads/stores max at pointer size.
2156 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2157
2158 has_int128 = cc.links('''
2159   __int128_t a;
2160   __uint128_t b;
2161   int main (void) {
2162     a = a + b;
2163     b = a * b;
2164     a = a * a;
2165     return 0;
2166   }''')
2167
2168 config_host_data.set('CONFIG_INT128', has_int128)
2169
2170 if has_int128
2171   # "do we have 128-bit atomics which are handled inline and specifically not
2172   # via libatomic". The reason we can't use libatomic is documented in the
2173   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2174   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2175
2176   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2177
2178   if not has_atomic128
2179     has_cmpxchg128 = cc.links('''
2180       int main(void)
2181       {
2182         unsigned __int128 x = 0, y = 0;
2183         __sync_val_compare_and_swap_16(&x, y, x);
2184         return 0;
2185       }
2186     ''')
2187
2188     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2189   endif
2190 endif
2191
2192 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2193   #include <sys/auxv.h>
2194   int main(void) {
2195     return getauxval(AT_HWCAP) == 0;
2196   }'''))
2197
2198 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2199   #include <linux/usbdevice_fs.h>
2200
2201   #ifndef USBDEVFS_GET_CAPABILITIES
2202   #error "USBDEVFS_GET_CAPABILITIES undefined"
2203   #endif
2204
2205   #ifndef USBDEVFS_DISCONNECT_CLAIM
2206   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2207   #endif
2208
2209   int main(void) { return 0; }'''))
2210
2211 have_keyring = get_option('keyring') \
2212   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2213   .require(cc.compiles('''
2214     #include <errno.h>
2215     #include <asm/unistd.h>
2216     #include <linux/keyctl.h>
2217     #include <sys/syscall.h>
2218     #include <unistd.h>
2219     int main(void) {
2220         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2221     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2222 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2223
2224 have_cpuid_h = cc.links('''
2225   #include <cpuid.h>
2226   int main(void) {
2227     unsigned a, b, c, d;
2228     unsigned max = __get_cpuid_max(0, 0);
2229
2230     if (max >= 1) {
2231         __cpuid(1, a, b, c, d);
2232     }
2233
2234     if (max >= 7) {
2235         __cpuid_count(7, 0, a, b, c, d);
2236     }
2237
2238     return 0;
2239   }''')
2240 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2241
2242 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2243   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2244   .require(cc.links('''
2245     #pragma GCC push_options
2246     #pragma GCC target("avx2")
2247     #include <cpuid.h>
2248     #include <immintrin.h>
2249     static int bar(void *a) {
2250       __m256i x = *(__m256i *)a;
2251       return _mm256_testz_si256(x, x);
2252     }
2253     int main(int argc, char *argv[]) { return bar(argv[0]); }
2254   '''), error_message: 'AVX2 not available').allowed())
2255
2256 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2257   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2258   .require(cc.links('''
2259     #pragma GCC push_options
2260     #pragma GCC target("avx512f")
2261     #include <cpuid.h>
2262     #include <immintrin.h>
2263     static int bar(void *a) {
2264       __m512i x = *(__m512i *)a;
2265       return _mm512_test_epi64_mask(x, x);
2266     }
2267     int main(int argc, char *argv[]) { return bar(argv[0]); }
2268   '''), error_message: 'AVX512F not available').allowed())
2269
2270 have_pvrdma = get_option('pvrdma') \
2271   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2272   .require(cc.compiles(gnu_source_prefix + '''
2273     #include <sys/mman.h>
2274     int main(void)
2275     {
2276       char buf = 0;
2277       void *addr = &buf;
2278       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2279
2280       return 0;
2281     }'''), error_message: 'PVRDMA requires mremap').allowed()
2282
2283 if have_pvrdma
2284   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2285     #include <infiniband/verbs.h>
2286     int main(void)
2287     {
2288       struct ibv_mr *mr;
2289       struct ibv_pd *pd = NULL;
2290       size_t length = 10;
2291       uint64_t iova = 0;
2292       int access = 0;
2293       void *addr = NULL;
2294
2295       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2296       ibv_dereg_mr(mr);
2297       return 0;
2298     }'''))
2299 endif
2300
2301 if get_option('membarrier').disabled()
2302   have_membarrier = false
2303 elif targetos == 'windows'
2304   have_membarrier = true
2305 elif targetos == 'linux'
2306   have_membarrier = cc.compiles('''
2307     #include <linux/membarrier.h>
2308     #include <sys/syscall.h>
2309     #include <unistd.h>
2310     #include <stdlib.h>
2311     int main(void) {
2312         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2313         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2314         exit(0);
2315     }''')
2316 endif
2317 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2318   .require(have_membarrier, error_message: 'membarrier system call not available') \
2319   .allowed())
2320
2321 have_afalg = get_option('crypto_afalg') \
2322   .require(cc.compiles(gnu_source_prefix + '''
2323     #include <errno.h>
2324     #include <sys/types.h>
2325     #include <sys/socket.h>
2326     #include <linux/if_alg.h>
2327     int main(void) {
2328       int sock;
2329       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2330       return sock;
2331     }
2332   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2333 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2334
2335 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2336   'linux/vm_sockets.h', 'AF_VSOCK',
2337   prefix: '#include <sys/socket.h>',
2338 ))
2339
2340 have_vss = false
2341 have_vss_sdk = false # old xp/2003 SDK
2342 if targetos == 'windows' and link_language == 'cpp'
2343   have_vss = cxx.compiles('''
2344     #define __MIDL_user_allocate_free_DEFINED__
2345     #include <vss.h>
2346     int main(void) { return VSS_CTX_BACKUP; }''')
2347   have_vss_sdk = cxx.has_header('vscoordint.h')
2348 endif
2349 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2350
2351 foreach k, v: config_host
2352   if k.startswith('CONFIG_')
2353     config_host_data.set(k, v == 'y' ? 1 : v)
2354   endif
2355 endforeach
2356
2357 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2358 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2359 if targetos == 'windows'
2360   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2361     #include <stdio.h>
2362     int main(void) {
2363       _lock_file(NULL);
2364       _unlock_file(NULL);
2365       return 0;
2366     }''', name: '_lock_file and _unlock_file'))
2367 endif
2368
2369 ########################
2370 # Target configuration #
2371 ########################
2372
2373 minikconf = find_program('scripts/minikconf.py')
2374 config_all = {}
2375 config_all_devices = {}
2376 config_all_disas = {}
2377 config_devices_mak_list = []
2378 config_devices_h = {}
2379 config_target_h = {}
2380 config_target_mak = {}
2381
2382 disassemblers = {
2383   'alpha' : ['CONFIG_ALPHA_DIS'],
2384   'avr' : ['CONFIG_AVR_DIS'],
2385   'cris' : ['CONFIG_CRIS_DIS'],
2386   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2387   'hppa' : ['CONFIG_HPPA_DIS'],
2388   'i386' : ['CONFIG_I386_DIS'],
2389   'x86_64' : ['CONFIG_I386_DIS'],
2390   'm68k' : ['CONFIG_M68K_DIS'],
2391   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2392   'mips' : ['CONFIG_MIPS_DIS'],
2393   'nios2' : ['CONFIG_NIOS2_DIS'],
2394   'or1k' : ['CONFIG_OPENRISC_DIS'],
2395   'ppc' : ['CONFIG_PPC_DIS'],
2396   'riscv' : ['CONFIG_RISCV_DIS'],
2397   'rx' : ['CONFIG_RX_DIS'],
2398   's390' : ['CONFIG_S390_DIS'],
2399   'sh4' : ['CONFIG_SH4_DIS'],
2400   'sparc' : ['CONFIG_SPARC_DIS'],
2401   'xtensa' : ['CONFIG_XTENSA_DIS'],
2402   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2403 }
2404 if link_language == 'cpp'
2405   disassemblers += {
2406     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2407   }
2408 endif
2409
2410 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2411 host_kconfig = \
2412   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2413   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2414   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2415   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2416   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2417   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2418   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2419   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2420   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2421   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2422   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2423   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2424   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2425   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2426
2427 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2428
2429 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2430 actual_target_dirs = []
2431 fdt_required = []
2432 foreach target : target_dirs
2433   config_target = { 'TARGET_NAME': target.split('-')[0] }
2434   if target.endswith('linux-user')
2435     if targetos != 'linux'
2436       if default_targets
2437         continue
2438       endif
2439       error('Target @0@ is only available on a Linux host'.format(target))
2440     endif
2441     config_target += { 'CONFIG_LINUX_USER': 'y' }
2442   elif target.endswith('bsd-user')
2443     if 'CONFIG_BSD' not in config_host
2444       if default_targets
2445         continue
2446       endif
2447       error('Target @0@ is only available on a BSD host'.format(target))
2448     endif
2449     config_target += { 'CONFIG_BSD_USER': 'y' }
2450   elif target.endswith('softmmu')
2451     config_target += { 'CONFIG_SOFTMMU': 'y' }
2452   endif
2453   if target.endswith('-user')
2454     config_target += {
2455       'CONFIG_USER_ONLY': 'y',
2456       'CONFIG_QEMU_INTERP_PREFIX':
2457         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2458     }
2459   endif
2460
2461   accel_kconfig = []
2462   foreach sym: accelerators
2463     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2464       config_target += { sym: 'y' }
2465       config_all += { sym: 'y' }
2466       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2467         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2468       endif
2469       if target in modular_tcg
2470         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2471       else
2472         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2473       endif
2474       accel_kconfig += [ sym + '=y' ]
2475     endif
2476   endforeach
2477   if accel_kconfig.length() == 0
2478     if default_targets
2479       continue
2480     endif
2481     error('No accelerator available for target @0@'.format(target))
2482   endif
2483
2484   actual_target_dirs += target
2485   config_target += keyval.load('configs/targets' / target + '.mak')
2486   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2487
2488   if 'TARGET_NEED_FDT' in config_target
2489     fdt_required += target
2490   endif
2491
2492   # Add default keys
2493   if 'TARGET_BASE_ARCH' not in config_target
2494     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2495   endif
2496   if 'TARGET_ABI_DIR' not in config_target
2497     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2498   endif
2499   if 'TARGET_BIG_ENDIAN' not in config_target
2500     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2501   endif
2502
2503   foreach k, v: disassemblers
2504     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2505       foreach sym: v
2506         config_target += { sym: 'y' }
2507         config_all_disas += { sym: 'y' }
2508       endforeach
2509     endif
2510   endforeach
2511
2512   config_target_data = configuration_data()
2513   foreach k, v: config_target
2514     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2515       # do nothing
2516     elif ignored.contains(k)
2517       # do nothing
2518     elif k == 'TARGET_BASE_ARCH'
2519       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2520       # not used to select files from sourcesets.
2521       config_target_data.set('TARGET_' + v.to_upper(), 1)
2522     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2523       config_target_data.set_quoted(k, v)
2524     elif v == 'y'
2525       config_target_data.set(k, 1)
2526     elif v == 'n'
2527       config_target_data.set(k, 0)
2528     else
2529       config_target_data.set(k, v)
2530     endif
2531   endforeach
2532   config_target_data.set('QEMU_ARCH',
2533                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2534   config_target_h += {target: configure_file(output: target + '-config-target.h',
2535                                                configuration: config_target_data)}
2536
2537   if target.endswith('-softmmu')
2538     config_input = meson.get_external_property(target, 'default')
2539     config_devices_mak = target + '-config-devices.mak'
2540     config_devices_mak = configure_file(
2541       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2542       output: config_devices_mak,
2543       depfile: config_devices_mak + '.d',
2544       capture: true,
2545       command: [minikconf,
2546                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2547                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2548                 host_kconfig, accel_kconfig,
2549                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2550
2551     config_devices_data = configuration_data()
2552     config_devices = keyval.load(config_devices_mak)
2553     foreach k, v: config_devices
2554       config_devices_data.set(k, 1)
2555     endforeach
2556     config_devices_mak_list += config_devices_mak
2557     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2558                                                 configuration: config_devices_data)}
2559     config_target += config_devices
2560     config_all_devices += config_devices
2561   endif
2562   config_target_mak += {target: config_target}
2563 endforeach
2564 target_dirs = actual_target_dirs
2565
2566 # This configuration is used to build files that are shared by
2567 # multiple binaries, and then extracted out of the "common"
2568 # static_library target.
2569 #
2570 # We do not use all_sources()/all_dependencies(), because it would
2571 # build literally all source files, including devices only used by
2572 # targets that are not built for this compilation.  The CONFIG_ALL
2573 # pseudo symbol replaces it.
2574
2575 config_all += config_all_devices
2576 config_all += config_host
2577 config_all += config_all_disas
2578 config_all += {
2579   'CONFIG_XEN': xen.found(),
2580   'CONFIG_SOFTMMU': have_system,
2581   'CONFIG_USER_ONLY': have_user,
2582   'CONFIG_ALL': true,
2583 }
2584
2585 target_configs_h = []
2586 foreach target: target_dirs
2587   target_configs_h += config_target_h[target]
2588   target_configs_h += config_devices_h.get(target, [])
2589 endforeach
2590 genh += custom_target('config-poison.h',
2591                       input: [target_configs_h],
2592                       output: 'config-poison.h',
2593                       capture: true,
2594                       command: [find_program('scripts/make-config-poison.sh'),
2595                                 target_configs_h])
2596
2597 ##############
2598 # Submodules #
2599 ##############
2600
2601 capstone = not_found
2602 if not get_option('capstone').auto() or have_system or have_user
2603   capstone = dependency('capstone', version: '>=3.0.5',
2604                         kwargs: static_kwargs, method: 'pkg-config',
2605                         required: get_option('capstone'))
2606
2607   # Some versions of capstone have broken pkg-config file
2608   # that reports a wrong -I path, causing the #include to
2609   # fail later. If the system has such a broken version
2610   # do not use it.
2611   if capstone.found() and not cc.compiles('#include <capstone.h>',
2612                                           dependencies: [capstone])
2613     capstone = not_found
2614     if get_option('capstone').enabled()
2615       error('capstone requested, but it does not appear to work')
2616     endif
2617   endif
2618 endif
2619
2620 slirp = not_found
2621 slirp_opt = 'disabled'
2622 if have_system
2623   slirp_opt = get_option('slirp')
2624   if slirp_opt in ['enabled', 'auto', 'system']
2625     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2626     slirp_dep_required = (slirp_opt == 'system' or
2627                           slirp_opt == 'enabled' and not have_internal)
2628     slirp = dependency('slirp', kwargs: static_kwargs,
2629                        method: 'pkg-config', version: '>=4.1.0',
2630                        required: slirp_dep_required)
2631     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2632     # it passes function pointers within libslirp as callbacks for timers.
2633     # When using a system-wide shared libslirp, the type information for the
2634     # callback is missing and the timer call produces a false positive with CFI.
2635     # Do not use the "version" keyword argument to produce a better error.
2636     # with control-flow integrity.
2637     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2638       if slirp_dep_required
2639         error('Control-Flow Integrity requires libslirp 4.7.')
2640       else
2641         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2642         slirp = not_found
2643       endif
2644     endif
2645     if slirp.found()
2646       slirp_opt = 'system'
2647     elif have_internal
2648       slirp_opt = 'internal'
2649     else
2650       slirp_opt = 'disabled'
2651     endif
2652   endif
2653   if slirp_opt == 'internal'
2654     slirp_deps = []
2655     if targetos == 'windows'
2656       slirp_deps = cc.find_library('iphlpapi')
2657     elif targetos == 'darwin'
2658       slirp_deps = cc.find_library('resolv')
2659     endif
2660     slirp_conf = configuration_data()
2661     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2662     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2663     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2664     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2665     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2666     slirp_files = [
2667       'slirp/src/arp_table.c',
2668       'slirp/src/bootp.c',
2669       'slirp/src/cksum.c',
2670       'slirp/src/dhcpv6.c',
2671       'slirp/src/dnssearch.c',
2672       'slirp/src/if.c',
2673       'slirp/src/ip6_icmp.c',
2674       'slirp/src/ip6_input.c',
2675       'slirp/src/ip6_output.c',
2676       'slirp/src/ip_icmp.c',
2677       'slirp/src/ip_input.c',
2678       'slirp/src/ip_output.c',
2679       'slirp/src/mbuf.c',
2680       'slirp/src/misc.c',
2681       'slirp/src/ncsi.c',
2682       'slirp/src/ndp_table.c',
2683       'slirp/src/sbuf.c',
2684       'slirp/src/slirp.c',
2685       'slirp/src/socket.c',
2686       'slirp/src/state.c',
2687       'slirp/src/stream.c',
2688       'slirp/src/tcp_input.c',
2689       'slirp/src/tcp_output.c',
2690       'slirp/src/tcp_subr.c',
2691       'slirp/src/tcp_timer.c',
2692       'slirp/src/tftp.c',
2693       'slirp/src/udp.c',
2694       'slirp/src/udp6.c',
2695       'slirp/src/util.c',
2696       'slirp/src/version.c',
2697       'slirp/src/vmstate.c',
2698     ]
2699
2700     configure_file(
2701       input : 'slirp/src/libslirp-version.h.in',
2702       output : 'libslirp-version.h',
2703       configuration: slirp_conf)
2704
2705     slirp_inc = include_directories('slirp', 'slirp/src')
2706     libslirp = static_library('slirp',
2707                               build_by_default: false,
2708                               sources: slirp_files,
2709                               c_args: slirp_cargs,
2710                               include_directories: slirp_inc)
2711     slirp = declare_dependency(link_with: libslirp,
2712                                dependencies: slirp_deps,
2713                                include_directories: slirp_inc)
2714   endif
2715 endif
2716
2717 libvfio_user_dep = not_found
2718 if have_system and vfio_user_server_allowed
2719   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2720
2721   if not have_internal
2722     error('libvfio-user source not found - please pull git submodule')
2723   endif
2724
2725   libvfio_user_proj = subproject('libvfio-user')
2726
2727   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2728
2729   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2730 endif
2731
2732 fdt = not_found
2733 if have_system
2734   fdt_opt = get_option('fdt')
2735   if fdt_opt in ['enabled', 'auto', 'system']
2736     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2737     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2738                           required: fdt_opt == 'system' or
2739                                     fdt_opt == 'enabled' and not have_internal)
2740     if fdt.found() and cc.links('''
2741        #include <libfdt.h>
2742        #include <libfdt_env.h>
2743        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2744          dependencies: fdt)
2745       fdt_opt = 'system'
2746     elif fdt_opt == 'system'
2747        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2748     elif have_internal
2749       fdt_opt = 'internal'
2750     else
2751       fdt_opt = 'disabled'
2752       fdt = not_found
2753     endif
2754   endif
2755   if fdt_opt == 'internal'
2756     fdt_files = files(
2757       'dtc/libfdt/fdt.c',
2758       'dtc/libfdt/fdt_ro.c',
2759       'dtc/libfdt/fdt_wip.c',
2760       'dtc/libfdt/fdt_sw.c',
2761       'dtc/libfdt/fdt_rw.c',
2762       'dtc/libfdt/fdt_strerror.c',
2763       'dtc/libfdt/fdt_empty_tree.c',
2764       'dtc/libfdt/fdt_addresses.c',
2765       'dtc/libfdt/fdt_overlay.c',
2766       'dtc/libfdt/fdt_check.c',
2767     )
2768
2769     fdt_inc = include_directories('dtc/libfdt')
2770     libfdt = static_library('fdt',
2771                             build_by_default: false,
2772                             sources: fdt_files,
2773                             include_directories: fdt_inc)
2774     fdt = declare_dependency(link_with: libfdt,
2775                              include_directories: fdt_inc)
2776   endif
2777 else
2778   fdt_opt = 'disabled'
2779 endif
2780 if not fdt.found() and fdt_required.length() > 0
2781   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2782 endif
2783
2784 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2785 config_host_data.set('CONFIG_FDT', fdt.found())
2786 config_host_data.set('CONFIG_SLIRP', slirp.found())
2787
2788 #####################
2789 # Generated sources #
2790 #####################
2791
2792 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2793
2794 hxtool = find_program('scripts/hxtool')
2795 shaderinclude = find_program('scripts/shaderinclude.pl')
2796 qapi_gen = find_program('scripts/qapi-gen.py')
2797 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2798                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2799                      meson.current_source_dir() / 'scripts/qapi/common.py',
2800                      meson.current_source_dir() / 'scripts/qapi/error.py',
2801                      meson.current_source_dir() / 'scripts/qapi/events.py',
2802                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2803                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2804                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2805                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2806                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2807                      meson.current_source_dir() / 'scripts/qapi/source.py',
2808                      meson.current_source_dir() / 'scripts/qapi/types.py',
2809                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2810                      meson.current_source_dir() / 'scripts/qapi/common.py',
2811                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2812 ]
2813
2814 tracetool = [
2815   python, files('scripts/tracetool.py'),
2816    '--backend=' + ','.join(get_option('trace_backends'))
2817 ]
2818 tracetool_depends = files(
2819   'scripts/tracetool/backend/log.py',
2820   'scripts/tracetool/backend/__init__.py',
2821   'scripts/tracetool/backend/dtrace.py',
2822   'scripts/tracetool/backend/ftrace.py',
2823   'scripts/tracetool/backend/simple.py',
2824   'scripts/tracetool/backend/syslog.py',
2825   'scripts/tracetool/backend/ust.py',
2826   'scripts/tracetool/format/ust_events_c.py',
2827   'scripts/tracetool/format/ust_events_h.py',
2828   'scripts/tracetool/format/__init__.py',
2829   'scripts/tracetool/format/d.py',
2830   'scripts/tracetool/format/simpletrace_stap.py',
2831   'scripts/tracetool/format/c.py',
2832   'scripts/tracetool/format/h.py',
2833   'scripts/tracetool/format/log_stap.py',
2834   'scripts/tracetool/format/stap.py',
2835   'scripts/tracetool/__init__.py',
2836   'scripts/tracetool/transform.py',
2837   'scripts/tracetool/vcpu.py'
2838 )
2839
2840 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2841                     meson.current_source_dir(),
2842                     get_option('pkgversion'), meson.project_version()]
2843 qemu_version = custom_target('qemu-version.h',
2844                              output: 'qemu-version.h',
2845                              command: qemu_version_cmd,
2846                              capture: true,
2847                              build_by_default: true,
2848                              build_always_stale: true)
2849 genh += qemu_version
2850
2851 hxdep = []
2852 hx_headers = [
2853   ['qemu-options.hx', 'qemu-options.def'],
2854   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2855 ]
2856 if have_system
2857   hx_headers += [
2858     ['hmp-commands.hx', 'hmp-commands.h'],
2859     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2860   ]
2861 endif
2862 foreach d : hx_headers
2863   hxdep += custom_target(d[1],
2864                 input: files(d[0]),
2865                 output: d[1],
2866                 capture: true,
2867                 build_by_default: true, # to be removed when added to a target
2868                 command: [hxtool, '-h', '@INPUT0@'])
2869 endforeach
2870 genh += hxdep
2871
2872 ###################
2873 # Collect sources #
2874 ###################
2875
2876 authz_ss = ss.source_set()
2877 blockdev_ss = ss.source_set()
2878 block_ss = ss.source_set()
2879 chardev_ss = ss.source_set()
2880 common_ss = ss.source_set()
2881 crypto_ss = ss.source_set()
2882 hwcore_ss = ss.source_set()
2883 io_ss = ss.source_set()
2884 qmp_ss = ss.source_set()
2885 qom_ss = ss.source_set()
2886 softmmu_ss = ss.source_set()
2887 specific_fuzz_ss = ss.source_set()
2888 specific_ss = ss.source_set()
2889 stub_ss = ss.source_set()
2890 trace_ss = ss.source_set()
2891 user_ss = ss.source_set()
2892 util_ss = ss.source_set()
2893
2894 # accel modules
2895 qtest_module_ss = ss.source_set()
2896 tcg_module_ss = ss.source_set()
2897
2898 modules = {}
2899 target_modules = {}
2900 hw_arch = {}
2901 target_arch = {}
2902 target_softmmu_arch = {}
2903 target_user_arch = {}
2904
2905 ###############
2906 # Trace files #
2907 ###############
2908
2909 # TODO: add each directory to the subdirs from its own meson.build, once
2910 # we have those
2911 trace_events_subdirs = [
2912   'crypto',
2913   'qapi',
2914   'qom',
2915   'monitor',
2916   'util',
2917 ]
2918 if have_linux_user
2919   trace_events_subdirs += [ 'linux-user' ]
2920 endif
2921 if have_bsd_user
2922   trace_events_subdirs += [ 'bsd-user' ]
2923 endif
2924 if have_block
2925   trace_events_subdirs += [
2926     'authz',
2927     'block',
2928     'io',
2929     'nbd',
2930     'scsi',
2931   ]
2932 endif
2933 if have_system
2934   trace_events_subdirs += [
2935     'accel/kvm',
2936     'audio',
2937     'backends',
2938     'backends/tpm',
2939     'chardev',
2940     'ebpf',
2941     'hw/9pfs',
2942     'hw/acpi',
2943     'hw/adc',
2944     'hw/alpha',
2945     'hw/arm',
2946     'hw/audio',
2947     'hw/block',
2948     'hw/block/dataplane',
2949     'hw/char',
2950     'hw/display',
2951     'hw/dma',
2952     'hw/hyperv',
2953     'hw/i2c',
2954     'hw/i386',
2955     'hw/i386/xen',
2956     'hw/ide',
2957     'hw/input',
2958     'hw/intc',
2959     'hw/isa',
2960     'hw/mem',
2961     'hw/mips',
2962     'hw/misc',
2963     'hw/misc/macio',
2964     'hw/net',
2965     'hw/net/can',
2966     'hw/nubus',
2967     'hw/nvme',
2968     'hw/nvram',
2969     'hw/pci',
2970     'hw/pci-host',
2971     'hw/ppc',
2972     'hw/rdma',
2973     'hw/rdma/vmw',
2974     'hw/rtc',
2975     'hw/s390x',
2976     'hw/scsi',
2977     'hw/sd',
2978     'hw/sh4',
2979     'hw/sparc',
2980     'hw/sparc64',
2981     'hw/ssi',
2982     'hw/timer',
2983     'hw/tpm',
2984     'hw/usb',
2985     'hw/vfio',
2986     'hw/virtio',
2987     'hw/watchdog',
2988     'hw/xen',
2989     'hw/gpio',
2990     'migration',
2991     'net',
2992     'softmmu',
2993     'ui',
2994     'hw/remote',
2995   ]
2996 endif
2997 if have_system or have_user
2998   trace_events_subdirs += [
2999     'accel/tcg',
3000     'hw/core',
3001     'target/arm',
3002     'target/arm/hvf',
3003     'target/hppa',
3004     'target/i386',
3005     'target/i386/kvm',
3006     'target/mips/tcg',
3007     'target/nios2',
3008     'target/ppc',
3009     'target/riscv',
3010     'target/s390x',
3011     'target/s390x/kvm',
3012     'target/sparc',
3013   ]
3014 endif
3015
3016 vhost_user = not_found
3017 if targetos == 'linux' and have_vhost_user
3018   libvhost_user = subproject('libvhost-user')
3019   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3020 endif
3021
3022 libvduse = not_found
3023 if have_libvduse
3024   libvduse_proj = subproject('libvduse')
3025   libvduse = libvduse_proj.get_variable('libvduse_dep')
3026 endif
3027
3028 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3029 # that is filled in by qapi/.
3030 subdir('qapi')
3031 subdir('qobject')
3032 subdir('stubs')
3033 subdir('trace')
3034 subdir('util')
3035 subdir('qom')
3036 subdir('authz')
3037 subdir('crypto')
3038 subdir('ui')
3039 subdir('hw')
3040
3041
3042 if enable_modules
3043   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3044   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3045 endif
3046
3047 qom_ss = qom_ss.apply(config_host, strict: false)
3048 libqom = static_library('qom', qom_ss.sources() + genh,
3049                         dependencies: [qom_ss.dependencies()],
3050                         name_suffix: 'fa')
3051 qom = declare_dependency(link_whole: libqom)
3052
3053 event_loop_base = files('event-loop-base.c')
3054 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3055                                  build_by_default: true)
3056 event_loop_base = declare_dependency(link_whole: event_loop_base,
3057                                      dependencies: [qom])
3058
3059 stub_ss = stub_ss.apply(config_all, strict: false)
3060
3061 util_ss.add_all(trace_ss)
3062 util_ss = util_ss.apply(config_all, strict: false)
3063 libqemuutil = static_library('qemuutil',
3064                              sources: util_ss.sources() + stub_ss.sources() + genh,
3065                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3066 qemuutil = declare_dependency(link_with: libqemuutil,
3067                               sources: genh + version_res,
3068                               dependencies: [event_loop_base])
3069
3070 if have_system or have_user
3071   decodetree = generator(find_program('scripts/decodetree.py'),
3072                          output: 'decode-@BASENAME@.c.inc',
3073                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3074   subdir('libdecnumber')
3075   subdir('target')
3076 endif
3077
3078 subdir('audio')
3079 subdir('io')
3080 subdir('chardev')
3081 subdir('fsdev')
3082 subdir('dump')
3083
3084 if have_block
3085   block_ss.add(files(
3086     'block.c',
3087     'blockjob.c',
3088     'job.c',
3089     'qemu-io-cmds.c',
3090   ))
3091   if config_host_data.get('CONFIG_REPLICATION')
3092     block_ss.add(files('replication.c'))
3093   endif
3094
3095   subdir('nbd')
3096   subdir('scsi')
3097   subdir('block')
3098
3099   blockdev_ss.add(files(
3100     'blockdev.c',
3101     'blockdev-nbd.c',
3102     'iothread.c',
3103     'job-qmp.c',
3104   ), gnutls)
3105
3106   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3107   # os-win32.c does not
3108   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3109   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3110 endif
3111
3112 common_ss.add(files('cpus-common.c'))
3113
3114 subdir('softmmu')
3115
3116 common_ss.add(capstone)
3117 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3118
3119 # Work around a gcc bug/misfeature wherein constant propagation looks
3120 # through an alias:
3121 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3122 # to guess that a const variable is always zero.  Without lto, this is
3123 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3124 # without lto, not even the alias is required -- we simply use different
3125 # declarations in different compilation units.
3126 pagevary = files('page-vary-common.c')
3127 if get_option('b_lto')
3128   pagevary_flags = ['-fno-lto']
3129   if get_option('cfi')
3130     pagevary_flags += '-fno-sanitize=cfi-icall'
3131   endif
3132   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3133                             c_args: pagevary_flags)
3134   pagevary = declare_dependency(link_with: pagevary)
3135 endif
3136 common_ss.add(pagevary)
3137 specific_ss.add(files('page-vary.c'))
3138
3139 subdir('backends')
3140 subdir('disas')
3141 subdir('migration')
3142 subdir('monitor')
3143 subdir('net')
3144 subdir('replay')
3145 subdir('semihosting')
3146 subdir('tcg')
3147 subdir('fpu')
3148 subdir('accel')
3149 subdir('plugins')
3150 subdir('ebpf')
3151
3152 common_user_inc = []
3153
3154 subdir('common-user')
3155 subdir('bsd-user')
3156 subdir('linux-user')
3157
3158 # needed for fuzzing binaries
3159 subdir('tests/qtest/libqos')
3160 subdir('tests/qtest/fuzz')
3161
3162 # accel modules
3163 tcg_real_module_ss = ss.source_set()
3164 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3165 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3166 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3167                                 'tcg': tcg_real_module_ss }}
3168
3169 ########################
3170 # Library dependencies #
3171 ########################
3172
3173 modinfo_collect = find_program('scripts/modinfo-collect.py')
3174 modinfo_generate = find_program('scripts/modinfo-generate.py')
3175 modinfo_files = []
3176
3177 block_mods = []
3178 softmmu_mods = []
3179 foreach d, list : modules
3180   foreach m, module_ss : list
3181     if enable_modules and targetos != 'windows'
3182       module_ss = module_ss.apply(config_all, strict: false)
3183       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3184                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3185       if d == 'block'
3186         block_mods += sl
3187       else
3188         softmmu_mods += sl
3189       endif
3190       if module_ss.sources() != []
3191         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3192         # input. Sources can be used multiple times but objects are
3193         # unique when it comes to lookup in compile_commands.json.
3194         # Depnds on a mesion version with
3195         # https://github.com/mesonbuild/meson/pull/8900
3196         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3197                                        output: d + '-' + m + '.modinfo',
3198                                        input: module_ss.sources() + genh,
3199                                        capture: true,
3200                                        command: [modinfo_collect, module_ss.sources()])
3201       endif
3202     else
3203       if d == 'block'
3204         block_ss.add_all(module_ss)
3205       else
3206         softmmu_ss.add_all(module_ss)
3207       endif
3208     endif
3209   endforeach
3210 endforeach
3211
3212 foreach d, list : target_modules
3213   foreach m, module_ss : list
3214     if enable_modules and targetos != 'windows'
3215       foreach target : target_dirs
3216         if target.endswith('-softmmu')
3217           config_target = config_target_mak[target]
3218           config_target += config_host
3219           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3220           c_args = ['-DNEED_CPU_H',
3221                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3222                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3223           target_module_ss = module_ss.apply(config_target, strict: false)
3224           if target_module_ss.sources() != []
3225             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3226             sl = static_library(module_name,
3227                                 [genh, target_module_ss.sources()],
3228                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3229                                 include_directories: target_inc,
3230                                 c_args: c_args,
3231                                 pic: true)
3232             softmmu_mods += sl
3233             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3234             modinfo_files += custom_target(module_name + '.modinfo',
3235                                            output: module_name + '.modinfo',
3236                                            input: target_module_ss.sources() + genh,
3237                                            capture: true,
3238                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3239           endif
3240         endif
3241       endforeach
3242     else
3243       specific_ss.add_all(module_ss)
3244     endif
3245   endforeach
3246 endforeach
3247
3248 if enable_modules
3249   foreach target : target_dirs
3250     if target.endswith('-softmmu')
3251       config_target = config_target_mak[target]
3252       config_devices_mak = target + '-config-devices.mak'
3253       modinfo_src = custom_target('modinfo-' + target + '.c',
3254                                   output: 'modinfo-' + target + '.c',
3255                                   input: modinfo_files,
3256                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3257                                   capture: true)
3258
3259       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3260       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3261
3262       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3263       hw_arch[arch].add(modinfo_dep)
3264     endif
3265   endforeach
3266 endif
3267
3268 nm = find_program('nm')
3269 undefsym = find_program('scripts/undefsym.py')
3270 block_syms = custom_target('block.syms', output: 'block.syms',
3271                              input: [libqemuutil, block_mods],
3272                              capture: true,
3273                              command: [undefsym, nm, '@INPUT@'])
3274 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3275                              input: [libqemuutil, softmmu_mods],
3276                              capture: true,
3277                              command: [undefsym, nm, '@INPUT@'])
3278
3279 authz_ss = authz_ss.apply(config_host, strict: false)
3280 libauthz = static_library('authz', authz_ss.sources() + genh,
3281                           dependencies: [authz_ss.dependencies()],
3282                           name_suffix: 'fa',
3283                           build_by_default: false)
3284
3285 authz = declare_dependency(link_whole: libauthz,
3286                            dependencies: qom)
3287
3288 crypto_ss = crypto_ss.apply(config_host, strict: false)
3289 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3290                            dependencies: [crypto_ss.dependencies()],
3291                            name_suffix: 'fa',
3292                            build_by_default: false)
3293
3294 crypto = declare_dependency(link_whole: libcrypto,
3295                             dependencies: [authz, qom])
3296
3297 io_ss = io_ss.apply(config_host, strict: false)
3298 libio = static_library('io', io_ss.sources() + genh,
3299                        dependencies: [io_ss.dependencies()],
3300                        link_with: libqemuutil,
3301                        name_suffix: 'fa',
3302                        build_by_default: false)
3303
3304 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3305
3306 libmigration = static_library('migration', sources: migration_files + genh,
3307                               name_suffix: 'fa',
3308                               build_by_default: false)
3309 migration = declare_dependency(link_with: libmigration,
3310                                dependencies: [zlib, qom, io])
3311 softmmu_ss.add(migration)
3312
3313 block_ss = block_ss.apply(config_host, strict: false)
3314 libblock = static_library('block', block_ss.sources() + genh,
3315                           dependencies: block_ss.dependencies(),
3316                           link_depends: block_syms,
3317                           name_suffix: 'fa',
3318                           build_by_default: false)
3319
3320 block = declare_dependency(link_whole: [libblock],
3321                            link_args: '@block.syms',
3322                            dependencies: [crypto, io])
3323
3324 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3325 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3326                              dependencies: blockdev_ss.dependencies(),
3327                              name_suffix: 'fa',
3328                              build_by_default: false)
3329
3330 blockdev = declare_dependency(link_whole: [libblockdev],
3331                               dependencies: [block, event_loop_base])
3332
3333 qmp_ss = qmp_ss.apply(config_host, strict: false)
3334 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3335                         dependencies: qmp_ss.dependencies(),
3336                         name_suffix: 'fa',
3337                         build_by_default: false)
3338
3339 qmp = declare_dependency(link_whole: [libqmp])
3340
3341 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3342                             name_suffix: 'fa',
3343                             dependencies: chardev_ss.dependencies(),
3344                             build_by_default: false)
3345
3346 chardev = declare_dependency(link_whole: libchardev)
3347
3348 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3349 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3350                            name_suffix: 'fa',
3351                            build_by_default: false)
3352 hwcore = declare_dependency(link_whole: libhwcore)
3353 common_ss.add(hwcore)
3354
3355 ###########
3356 # Targets #
3357 ###########
3358
3359 emulator_modules = []
3360 foreach m : block_mods + softmmu_mods
3361   emulator_modules += shared_module(m.name(),
3362                 build_by_default: true,
3363                 name_prefix: '',
3364                 link_whole: m,
3365                 install: true,
3366                 install_dir: qemu_moddir)
3367 endforeach
3368 if emulator_modules.length() > 0
3369   alias_target('modules', emulator_modules)
3370 endif
3371
3372 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3373 common_ss.add(qom, qemuutil)
3374
3375 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3376 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3377
3378 common_all = common_ss.apply(config_all, strict: false)
3379 common_all = static_library('common',
3380                             build_by_default: false,
3381                             sources: common_all.sources() + genh,
3382                             include_directories: common_user_inc,
3383                             implicit_include_directories: false,
3384                             dependencies: common_all.dependencies(),
3385                             name_suffix: 'fa')
3386
3387 feature_to_c = find_program('scripts/feature_to_c.sh')
3388
3389 if targetos == 'darwin'
3390   entitlement = find_program('scripts/entitlement.sh')
3391 endif
3392
3393 emulators = {}
3394 foreach target : target_dirs
3395   config_target = config_target_mak[target]
3396   target_name = config_target['TARGET_NAME']
3397   target_base_arch = config_target['TARGET_BASE_ARCH']
3398   arch_srcs = [config_target_h[target]]
3399   arch_deps = []
3400   c_args = ['-DNEED_CPU_H',
3401             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3402             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3403   link_args = emulator_link_args
3404
3405   config_target += config_host
3406   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3407   if targetos == 'linux'
3408     target_inc += include_directories('linux-headers', is_system: true)
3409   endif
3410   if target.endswith('-softmmu')
3411     target_type='system'
3412     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3413     arch_srcs += t.sources()
3414     arch_deps += t.dependencies()
3415
3416     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3417     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3418     arch_srcs += hw.sources()
3419     arch_deps += hw.dependencies()
3420
3421     arch_srcs += config_devices_h[target]
3422     link_args += ['@block.syms', '@qemu.syms']
3423   else
3424     abi = config_target['TARGET_ABI_DIR']
3425     target_type='user'
3426     target_inc += common_user_inc
3427     if target_base_arch in target_user_arch
3428       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3429       arch_srcs += t.sources()
3430       arch_deps += t.dependencies()
3431     endif
3432     if 'CONFIG_LINUX_USER' in config_target
3433       base_dir = 'linux-user'
3434     endif
3435     if 'CONFIG_BSD_USER' in config_target
3436       base_dir = 'bsd-user'
3437       target_inc += include_directories('bsd-user/' / targetos)
3438       target_inc += include_directories('bsd-user/host/' / host_arch)
3439       dir = base_dir / abi
3440       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3441     endif
3442     target_inc += include_directories(
3443       base_dir,
3444       base_dir / abi,
3445     )
3446     if 'CONFIG_LINUX_USER' in config_target
3447       dir = base_dir / abi
3448       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3449       if config_target.has_key('TARGET_SYSTBL_ABI')
3450         arch_srcs += \
3451           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3452                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3453       endif
3454     endif
3455   endif
3456
3457   if 'TARGET_XML_FILES' in config_target
3458     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3459                                 output: target + '-gdbstub-xml.c',
3460                                 input: files(config_target['TARGET_XML_FILES'].split()),
3461                                 command: [feature_to_c, '@INPUT@'],
3462                                 capture: true)
3463     arch_srcs += gdbstub_xml
3464   endif
3465
3466   t = target_arch[target_base_arch].apply(config_target, strict: false)
3467   arch_srcs += t.sources()
3468   arch_deps += t.dependencies()
3469
3470   target_common = common_ss.apply(config_target, strict: false)
3471   objects = common_all.extract_objects(target_common.sources())
3472   deps = target_common.dependencies()
3473
3474   target_specific = specific_ss.apply(config_target, strict: false)
3475   arch_srcs += target_specific.sources()
3476   arch_deps += target_specific.dependencies()
3477
3478   lib = static_library('qemu-' + target,
3479                  sources: arch_srcs + genh,
3480                  dependencies: arch_deps,
3481                  objects: objects,
3482                  include_directories: target_inc,
3483                  c_args: c_args,
3484                  build_by_default: false,
3485                  name_suffix: 'fa')
3486
3487   if target.endswith('-softmmu')
3488     execs = [{
3489       'name': 'qemu-system-' + target_name,
3490       'win_subsystem': 'console',
3491       'sources': files('softmmu/main.c'),
3492       'dependencies': []
3493     }]
3494     if targetos == 'windows' and (sdl.found() or gtk.found())
3495       execs += [{
3496         'name': 'qemu-system-' + target_name + 'w',
3497         'win_subsystem': 'windows',
3498         'sources': files('softmmu/main.c'),
3499         'dependencies': []
3500       }]
3501     endif
3502     if get_option('fuzzing')
3503       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3504       execs += [{
3505         'name': 'qemu-fuzz-' + target_name,
3506         'win_subsystem': 'console',
3507         'sources': specific_fuzz.sources(),
3508         'dependencies': specific_fuzz.dependencies(),
3509       }]
3510     endif
3511   else
3512     execs = [{
3513       'name': 'qemu-' + target_name,
3514       'win_subsystem': 'console',
3515       'sources': [],
3516       'dependencies': []
3517     }]
3518   endif
3519   foreach exe: execs
3520     exe_name = exe['name']
3521     if targetos == 'darwin'
3522       exe_name += '-unsigned'
3523     endif
3524
3525     emulator = executable(exe_name, exe['sources'],
3526                install: true,
3527                c_args: c_args,
3528                dependencies: arch_deps + deps + exe['dependencies'],
3529                objects: lib.extract_all_objects(recursive: true),
3530                link_language: link_language,
3531                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3532                link_args: link_args,
3533                win_subsystem: exe['win_subsystem'])
3534
3535     if targetos == 'darwin'
3536       icon = 'pc-bios/qemu.rsrc'
3537       build_input = [emulator, files(icon)]
3538       install_input = [
3539         get_option('bindir') / exe_name,
3540         meson.current_source_dir() / icon
3541       ]
3542       if 'CONFIG_HVF' in config_target
3543         entitlements = 'accel/hvf/entitlements.plist'
3544         build_input += files(entitlements)
3545         install_input += meson.current_source_dir() / entitlements
3546       endif
3547
3548       emulators += {exe['name'] : custom_target(exe['name'],
3549                    input: build_input,
3550                    output: exe['name'],
3551                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3552       }
3553
3554       meson.add_install_script(entitlement, '--install',
3555                                get_option('bindir') / exe['name'],
3556                                install_input)
3557     else
3558       emulators += {exe['name']: emulator}
3559     endif
3560
3561     if stap.found()
3562       foreach stp: [
3563         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3564         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3565         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3566         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3567       ]
3568         custom_target(exe['name'] + stp['ext'],
3569                       input: trace_events_all,
3570                       output: exe['name'] + stp['ext'],
3571                       install: stp['install'],
3572                       install_dir: get_option('datadir') / 'systemtap/tapset',
3573                       command: [
3574                         tracetool, '--group=all', '--format=' + stp['fmt'],
3575                         '--binary=' + stp['bin'],
3576                         '--target-name=' + target_name,
3577                         '--target-type=' + target_type,
3578                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3579                         '@INPUT@', '@OUTPUT@'
3580                       ],
3581                       depend_files: tracetool_depends)
3582       endforeach
3583     endif
3584   endforeach
3585 endforeach
3586
3587 # Other build targets
3588
3589 if 'CONFIG_PLUGIN' in config_host
3590   install_headers('include/qemu/qemu-plugin.h')
3591 endif
3592
3593 subdir('qga')
3594
3595 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3596 # when we don't build tools or system
3597 if xkbcommon.found()
3598   # used for the update-keymaps target, so include rules even if !have_tools
3599   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3600                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3601 endif
3602
3603 if have_tools
3604   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3605              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3606   qemu_io = executable('qemu-io', files('qemu-io.c'),
3607              dependencies: [block, qemuutil], install: true)
3608   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3609                dependencies: [blockdev, qemuutil, gnutls, selinux],
3610                install: true)
3611
3612   subdir('storage-daemon')
3613   subdir('contrib/rdmacm-mux')
3614   subdir('contrib/elf2dmp')
3615
3616   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3617              dependencies: qemuutil,
3618              install: true)
3619
3620   if have_vhost_user
3621     subdir('contrib/vhost-user-blk')
3622     subdir('contrib/vhost-user-gpu')
3623     subdir('contrib/vhost-user-input')
3624     subdir('contrib/vhost-user-scsi')
3625   endif
3626
3627   if targetos == 'linux'
3628     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3629                dependencies: [qemuutil, libcap_ng],
3630                install: true,
3631                install_dir: get_option('libexecdir'))
3632
3633     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3634                dependencies: [authz, crypto, io, qom, qemuutil,
3635                               libcap_ng, mpathpersist],
3636                install: true)
3637   endif
3638
3639   if have_ivshmem
3640     subdir('contrib/ivshmem-client')
3641     subdir('contrib/ivshmem-server')
3642   endif
3643 endif
3644
3645 subdir('scripts')
3646 subdir('tools')
3647 subdir('pc-bios')
3648 subdir('docs')
3649 subdir('tests')
3650 if gtk.found()
3651   subdir('po')
3652 endif
3653
3654 if host_machine.system() == 'windows'
3655   nsis_cmd = [
3656     find_program('scripts/nsis.py'),
3657     '@OUTPUT@',
3658     get_option('prefix'),
3659     meson.current_source_dir(),
3660     host_machine.cpu(),
3661     '--',
3662     '-DDISPLAYVERSION=' + meson.project_version(),
3663   ]
3664   if build_docs
3665     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3666   endif
3667   if gtk.found()
3668     nsis_cmd += '-DCONFIG_GTK=y'
3669   endif
3670
3671   nsis = custom_target('nsis',
3672                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3673                        input: files('qemu.nsi'),
3674                        build_always_stale: true,
3675                        command: nsis_cmd + ['@INPUT@'])
3676   alias_target('installer', nsis)
3677 endif
3678
3679 #########################
3680 # Configuration summary #
3681 #########################
3682
3683 # Directories
3684 summary_info = {}
3685 summary_info += {'Install prefix':    get_option('prefix')}
3686 summary_info += {'BIOS directory':    qemu_datadir}
3687 pathsep = targetos == 'windows' ? ';' : ':'
3688 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3689 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3690 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3691 summary_info += {'module directory':  qemu_moddir}
3692 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3693 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3694 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3695 if targetos != 'windows'
3696   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3697   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3698 else
3699   summary_info += {'local state directory': 'queried at runtime'}
3700 endif
3701 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3702 summary_info += {'Build directory':   meson.current_build_dir()}
3703 summary_info += {'Source path':       meson.current_source_dir()}
3704 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3705 summary(summary_info, bool_yn: true, section: 'Directories')
3706
3707 # Host binaries
3708 summary_info = {}
3709 summary_info += {'git':               config_host['GIT']}
3710 summary_info += {'make':              config_host['MAKE']}
3711 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3712 summary_info += {'sphinx-build':      sphinx_build}
3713 if config_host.has_key('HAVE_GDB_BIN')
3714   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3715 endif
3716 summary_info += {'iasl':              iasl}
3717 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3718 if targetos == 'windows' and have_ga
3719   summary_info += {'wixl':            wixl}
3720 endif
3721 if slirp_opt != 'disabled' and have_system
3722   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3723 endif
3724 summary(summary_info, bool_yn: true, section: 'Host binaries')
3725
3726 # Configurable features
3727 summary_info = {}
3728 summary_info += {'Documentation':     build_docs}
3729 summary_info += {'system-mode emulation': have_system}
3730 summary_info += {'user-mode emulation': have_user}
3731 summary_info += {'block layer':       have_block}
3732 summary_info += {'Install blobs':     get_option('install_blobs')}
3733 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3734 if config_host.has_key('CONFIG_MODULES')
3735   summary_info += {'alternative module path': get_option('module_upgrades')}
3736 endif
3737 summary_info += {'fuzzing support':   get_option('fuzzing')}
3738 if have_system
3739   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3740 endif
3741 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3742 if 'simple' in get_option('trace_backends')
3743   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3744 endif
3745 summary_info += {'D-Bus display':     dbus_display}
3746 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3747 summary_info += {'vhost-kernel support': have_vhost_kernel}
3748 summary_info += {'vhost-net support': have_vhost_net}
3749 summary_info += {'vhost-user support': have_vhost_user}
3750 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3751 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3752 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3753 summary_info += {'build guest agent': have_ga}
3754 summary(summary_info, bool_yn: true, section: 'Configurable features')
3755
3756 # Compilation information
3757 summary_info = {}
3758 summary_info += {'host CPU':          cpu}
3759 summary_info += {'host endianness':   build_machine.endian()}
3760 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3761 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3762 if link_language == 'cpp'
3763   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3764 else
3765   summary_info += {'C++ compiler':      false}
3766 endif
3767 if targetos == 'darwin'
3768   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3769 endif
3770 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3771                                                + ['-O' + get_option('optimization')]
3772                                                + (get_option('debug') ? ['-g'] : []))}
3773 if link_language == 'cpp'
3774   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3775                                                + ['-O' + get_option('optimization')]
3776                                                + (get_option('debug') ? ['-g'] : []))}
3777 endif
3778 if targetos == 'darwin'
3779   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3780                                                + ['-O' + get_option('optimization')]
3781                                                + (get_option('debug') ? ['-g'] : []))}
3782 endif
3783 link_args = get_option(link_language + '_link_args')
3784 if link_args.length() > 0
3785   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3786 endif
3787 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3788 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3789 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3790 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3791 summary_info += {'profiler':          get_option('profiler')}
3792 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3793 summary_info += {'PIE':               get_option('b_pie')}
3794 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3795 summary_info += {'malloc trim support': has_malloc_trim}
3796 summary_info += {'membarrier':        have_membarrier}
3797 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3798 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3799 summary_info += {'memory allocator':  get_option('malloc')}
3800 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3801 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3802 summary_info += {'gprof enabled':     get_option('gprof')}
3803 summary_info += {'gcov':              get_option('b_coverage')}
3804 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3805 summary_info += {'CFI support':       get_option('cfi')}
3806 if get_option('cfi')
3807   summary_info += {'CFI debug support': get_option('cfi_debug')}
3808 endif
3809 summary_info += {'strip binaries':    get_option('strip')}
3810 summary_info += {'sparse':            sparse}
3811 summary_info += {'mingw32 support':   targetos == 'windows'}
3812 summary(summary_info, bool_yn: true, section: 'Compilation')
3813
3814 # snarf the cross-compilation information for tests
3815 summary_info = {}
3816 have_cross = false
3817 foreach target: target_dirs
3818   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3819   if fs.exists(tcg_mak)
3820     config_cross_tcg = keyval.load(tcg_mak)
3821     if 'CC' in config_cross_tcg
3822       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3823       have_cross = true
3824     endif
3825   endif
3826 endforeach
3827 if have_cross
3828   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3829 endif
3830
3831 # Targets and accelerators
3832 summary_info = {}
3833 if have_system
3834   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3835   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3836   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3837   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3838   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3839   summary_info += {'Xen support':       xen.found()}
3840   if xen.found()
3841     summary_info += {'xen ctrl version':  xen.version()}
3842   endif
3843 endif
3844 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3845 if config_all.has_key('CONFIG_TCG')
3846   if get_option('tcg_interpreter')
3847     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3848   else
3849     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3850   endif
3851   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3852   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3853 endif
3854 summary_info += {'target list':       ' '.join(target_dirs)}
3855 if have_system
3856   summary_info += {'default devices':   get_option('default_devices')}
3857   summary_info += {'out of process emulation': multiprocess_allowed}
3858   summary_info += {'vfio-user server': vfio_user_server_allowed}
3859 endif
3860 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3861
3862 # Block layer
3863 summary_info = {}
3864 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3865 summary_info += {'coroutine pool':    have_coroutine_pool}
3866 if have_block
3867   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3868   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3869   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3870   summary_info += {'VirtFS support':    have_virtfs}
3871   summary_info += {'build virtiofs daemon': have_virtiofsd}
3872   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3873   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3874   summary_info += {'bochs support':     get_option('bochs').allowed()}
3875   summary_info += {'cloop support':     get_option('cloop').allowed()}
3876   summary_info += {'dmg support':       get_option('dmg').allowed()}
3877   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3878   summary_info += {'vdi support':       get_option('vdi').allowed()}
3879   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3880   summary_info += {'qed support':       get_option('qed').allowed()}
3881   summary_info += {'parallels support': get_option('parallels').allowed()}
3882   summary_info += {'FUSE exports':      fuse}
3883   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3884 endif
3885 summary(summary_info, bool_yn: true, section: 'Block layer support')
3886
3887 # Crypto
3888 summary_info = {}
3889 summary_info += {'TLS priority':      get_option('tls_priority')}
3890 summary_info += {'GNUTLS support':    gnutls}
3891 if gnutls.found()
3892   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3893 endif
3894 summary_info += {'libgcrypt':         gcrypt}
3895 summary_info += {'nettle':            nettle}
3896 if nettle.found()
3897    summary_info += {'  XTS':             xts != 'private'}
3898 endif
3899 summary_info += {'AF_ALG support':    have_afalg}
3900 summary_info += {'rng-none':          get_option('rng_none')}
3901 summary_info += {'Linux keyring':     have_keyring}
3902 summary(summary_info, bool_yn: true, section: 'Crypto')
3903
3904 # Libraries
3905 summary_info = {}
3906 if targetos == 'darwin'
3907   summary_info += {'Cocoa support':           cocoa}
3908   summary_info += {'vmnet.framework support': vmnet}
3909 endif
3910 summary_info += {'SDL support':       sdl}
3911 summary_info += {'SDL image support': sdl_image}
3912 summary_info += {'GTK support':       gtk}
3913 summary_info += {'pixman':            pixman}
3914 summary_info += {'VTE support':       vte}
3915 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3916 summary_info += {'libtasn1':          tasn1}
3917 summary_info += {'PAM':               pam}
3918 summary_info += {'iconv support':     iconv}
3919 summary_info += {'curses support':    curses}
3920 summary_info += {'virgl support':     virgl}
3921 summary_info += {'curl support':      curl}
3922 summary_info += {'Multipath support': mpathpersist}
3923 summary_info += {'PNG support':       png}
3924 summary_info += {'VNC support':       vnc}
3925 if vnc.found()
3926   summary_info += {'VNC SASL support':  sasl}
3927   summary_info += {'VNC JPEG support':  jpeg}
3928 endif
3929 if targetos not in ['darwin', 'haiku', 'windows']
3930   summary_info += {'OSS support':     oss}
3931 elif targetos == 'darwin'
3932   summary_info += {'CoreAudio support': coreaudio}
3933 elif targetos == 'windows'
3934   summary_info += {'DirectSound support': dsound}
3935 endif
3936 if targetos == 'linux'
3937   summary_info += {'ALSA support':    alsa}
3938   summary_info += {'PulseAudio support': pulse}
3939 endif
3940 summary_info += {'JACK support':      jack}
3941 summary_info += {'brlapi support':    brlapi}
3942 summary_info += {'vde support':       vde}
3943 summary_info += {'netmap support':    have_netmap}
3944 summary_info += {'l2tpv3 support':    have_l2tpv3}
3945 summary_info += {'Linux AIO support': libaio}
3946 summary_info += {'Linux io_uring support': linux_io_uring}
3947 summary_info += {'ATTR/XATTR support': libattr}
3948 summary_info += {'RDMA support':      rdma}
3949 summary_info += {'PVRDMA support':    have_pvrdma}
3950 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3951 summary_info += {'libcap-ng support': libcap_ng}
3952 summary_info += {'bpf support':       libbpf}
3953 summary_info += {'spice protocol support': spice_protocol}
3954 if spice_protocol.found()
3955   summary_info += {'  spice server support': spice}
3956 endif
3957 summary_info += {'rbd support':       rbd}
3958 summary_info += {'smartcard support': cacard}
3959 summary_info += {'U2F support':       u2f}
3960 summary_info += {'libusb':            libusb}
3961 summary_info += {'usb net redir':     usbredir}
3962 summary_info += {'OpenGL support (epoxy)': opengl}
3963 summary_info += {'GBM':               gbm}
3964 summary_info += {'libiscsi support':  libiscsi}
3965 summary_info += {'libnfs support':    libnfs}
3966 if targetos == 'windows'
3967   if have_ga
3968     summary_info += {'QGA VSS support':   have_qga_vss}
3969   endif
3970 endif
3971 summary_info += {'seccomp support':   seccomp}
3972 summary_info += {'GlusterFS support': glusterfs}
3973 summary_info += {'TPM support':       have_tpm}
3974 summary_info += {'libssh support':    libssh}
3975 summary_info += {'lzo support':       lzo}
3976 summary_info += {'snappy support':    snappy}
3977 summary_info += {'bzip2 support':     libbzip2}
3978 summary_info += {'lzfse support':     liblzfse}
3979 summary_info += {'zstd support':      zstd}
3980 summary_info += {'NUMA host support': numa}
3981 summary_info += {'capstone':          capstone}
3982 summary_info += {'libpmem support':   libpmem}
3983 summary_info += {'libdaxctl support': libdaxctl}
3984 summary_info += {'libudev':           libudev}
3985 # Dummy dependency, keep .found()
3986 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3987 summary_info += {'selinux':           selinux}
3988 summary(summary_info, bool_yn: true, section: 'Dependencies')
3989
3990 if not supported_cpus.contains(cpu)
3991   message()
3992   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3993   message()
3994   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3995   message('The QEMU project intends to remove support for this host CPU in')
3996   message('a future release if nobody volunteers to maintain it and to')
3997   message('provide a build host for our continuous integration setup.')
3998   message('configure has succeeded and you can continue to build, but')
3999   message('if you care about QEMU on this platform you should contact')
4000   message('us upstream at qemu-devel@nongnu.org.')
4001 endif
4002
4003 if not supported_oses.contains(targetos)
4004   message()
4005   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4006   message()
4007   message('Host OS ' + targetos + 'support is not currently maintained.')
4008   message('The QEMU project intends to remove support for this host OS in')
4009   message('a future release if nobody volunteers to maintain it and to')
4010   message('provide a build host for our continuous integration setup.')
4011   message('configure has succeeded and you can continue to build, but')
4012   message('if you care about QEMU on this platform you should contact')
4013   message('us upstream at qemu-devel@nongnu.org.')
4014 endif