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 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(),
1681            error_message: '-display dbus requires epoxy/egl') \
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('live_block_migration').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
1894 # has_function
1895 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1896 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1897 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1898 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1899 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1900 # Note that we need to specify prefix: here to avoid incorrectly
1901 # thinking that Windows has posix_memalign()
1902 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1903 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1904 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1905 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1906 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1907 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1908 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1909 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1910 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1911 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1912 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1913 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1914 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1915 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1916 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1917 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1918 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1919 if rbd.found()
1920   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1921                        cc.has_function('rbd_namespace_exists',
1922                                        dependencies: rbd,
1923                                        prefix: '#include <rbd/librbd.h>'))
1924 endif
1925 if rdma.found()
1926   config_host_data.set('HAVE_IBV_ADVISE_MR',
1927                        cc.has_function('ibv_advise_mr',
1928                                        dependencies: rdma,
1929                                        prefix: '#include <infiniband/verbs.h>'))
1930 endif
1931
1932 # has_header_symbol
1933 config_host_data.set('CONFIG_BYTESWAP_H',
1934                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1935 config_host_data.set('CONFIG_EPOLL_CREATE1',
1936                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1937 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1938                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1939                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1940 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1941                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1942 config_host_data.set('CONFIG_FIEMAP',
1943                      cc.has_header('linux/fiemap.h') and
1944                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1945 config_host_data.set('CONFIG_GETRANDOM',
1946                      cc.has_function('getrandom') and
1947                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1948 config_host_data.set('CONFIG_INOTIFY',
1949                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1950 config_host_data.set('CONFIG_INOTIFY1',
1951                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1952 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1953                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1954                                           prefix: '''#include <sys/endian.h>
1955                                                      #include <sys/types.h>'''))
1956 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1957                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1958 config_host_data.set('CONFIG_RTNETLINK',
1959                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1960 config_host_data.set('CONFIG_SYSMACROS',
1961                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1962 config_host_data.set('HAVE_OPTRESET',
1963                      cc.has_header_symbol('getopt.h', 'optreset'))
1964 config_host_data.set('HAVE_IPPROTO_MPTCP',
1965                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1966
1967 # has_member
1968 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1969                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1970                                    prefix: '#include <signal.h>'))
1971 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1972                      cc.has_member('struct stat', 'st_atim',
1973                                    prefix: '#include <sys/stat.h>'))
1974
1975 # has_type
1976 config_host_data.set('CONFIG_IOVEC',
1977                      cc.has_type('struct iovec',
1978                                  prefix: '#include <sys/uio.h>'))
1979 config_host_data.set('HAVE_UTMPX',
1980                      cc.has_type('struct utmpx',
1981                                  prefix: '#include <utmpx.h>'))
1982
1983 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1984   #include <sys/eventfd.h>
1985   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1986 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1987   #include <unistd.h>
1988   int main(void) {
1989   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1990   return fdatasync(0);
1991   #else
1992   #error Not supported
1993   #endif
1994   }'''))
1995
1996 has_madvise = cc.links(gnu_source_prefix + '''
1997   #include <sys/types.h>
1998   #include <sys/mman.h>
1999   #include <stddef.h>
2000   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2001 missing_madvise_proto = false
2002 if has_madvise
2003   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2004   # but forget to prototype it. In this case, has_madvise will be true (the
2005   # test program links despite a compile warning). To detect the
2006   # missing-prototype case, we try again with a definitely-bogus prototype.
2007   # This will only compile if the system headers don't provide the prototype;
2008   # otherwise the conflicting prototypes will cause a compiler error.
2009   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2010     #include <sys/types.h>
2011     #include <sys/mman.h>
2012     #include <stddef.h>
2013     extern int madvise(int);
2014     int main(void) { return madvise(0); }''')
2015 endif
2016 config_host_data.set('CONFIG_MADVISE', has_madvise)
2017 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2018
2019 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2020   #include <sys/mman.h>
2021   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2022 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2023   #include <fcntl.h>
2024   #if !defined(AT_EMPTY_PATH)
2025   # error missing definition
2026   #else
2027   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2028   #endif'''))
2029 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2030   #include <sys/mman.h>
2031   #include <stddef.h>
2032   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2033
2034 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2035   #include <pthread.h>
2036
2037   static void *f(void *p) { return NULL; }
2038   int main(void)
2039   {
2040     pthread_t thread;
2041     pthread_create(&thread, 0, f, 0);
2042     pthread_setname_np(thread, "QEMU");
2043     return 0;
2044   }''', dependencies: threads))
2045 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2046   #include <pthread.h>
2047
2048   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2049   int main(void)
2050   {
2051     pthread_t thread;
2052     pthread_create(&thread, 0, f, 0);
2053     return 0;
2054   }''', dependencies: threads))
2055 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2056   #include <pthread.h>
2057   #include <time.h>
2058
2059   int main(void)
2060   {
2061     pthread_condattr_t attr
2062     pthread_condattr_init(&attr);
2063     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2064     return 0;
2065   }''', dependencies: threads))
2066
2067 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2068   #include <sys/signalfd.h>
2069   #include <stddef.h>
2070   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2071 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2072   #include <unistd.h>
2073   #include <fcntl.h>
2074   #include <limits.h>
2075
2076   int main(void)
2077   {
2078     int len, fd = 0;
2079     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2080     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2081     return 0;
2082   }'''))
2083
2084 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2085   #include <sys/mman.h>
2086   int main(int argc, char *argv[]) {
2087     return mlockall(MCL_FUTURE);
2088   }'''))
2089
2090 have_l2tpv3 = false
2091 if get_option('l2tpv3').allowed() and have_system
2092   have_l2tpv3 = cc.has_type('struct mmsghdr',
2093     prefix: gnu_source_prefix + '''
2094       #include <sys/socket.h>
2095       #include <linux/ip.h>''')
2096 endif
2097 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2098
2099 have_netmap = false
2100 if get_option('netmap').allowed() and have_system
2101   have_netmap = cc.compiles('''
2102     #include <inttypes.h>
2103     #include <net/if.h>
2104     #include <net/netmap.h>
2105     #include <net/netmap_user.h>
2106     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2107     #error
2108     #endif
2109     int main(void) { return 0; }''')
2110   if not have_netmap and get_option('netmap').enabled()
2111     error('Netmap headers not available')
2112   endif
2113 endif
2114 config_host_data.set('CONFIG_NETMAP', have_netmap)
2115
2116 # Work around a system header bug with some kernel/XFS header
2117 # versions where they both try to define 'struct fsxattr':
2118 # xfs headers will not try to redefine structs from linux headers
2119 # if this macro is set.
2120 config_host_data.set('HAVE_FSXATTR', cc.links('''
2121   #include <linux/fs.h>
2122   struct fsxattr foo;
2123   int main(void) {
2124     return 0;
2125   }'''))
2126
2127 # Some versions of Mac OS X incorrectly define SIZE_MAX
2128 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2129     #include <stdint.h>
2130     #include <stdio.h>
2131     int main(int argc, char *argv[]) {
2132         return printf("%zu", SIZE_MAX);
2133     }''', args: ['-Werror']))
2134
2135 atomic_test = '''
2136   #include <stdint.h>
2137   int main(void)
2138   {
2139     @0@ x = 0, y = 0;
2140     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2141     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2142     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2143     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2144     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2145     return 0;
2146   }'''
2147
2148 # See if 64-bit atomic operations are supported.
2149 # Note that without __atomic builtins, we can only
2150 # assume atomic loads/stores max at pointer size.
2151 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2152
2153 has_int128 = cc.links('''
2154   __int128_t a;
2155   __uint128_t b;
2156   int main (void) {
2157     a = a + b;
2158     b = a * b;
2159     a = a * a;
2160     return 0;
2161   }''')
2162
2163 config_host_data.set('CONFIG_INT128', has_int128)
2164
2165 if has_int128
2166   # "do we have 128-bit atomics which are handled inline and specifically not
2167   # via libatomic". The reason we can't use libatomic is documented in the
2168   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2169   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2170
2171   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2172
2173   if not has_atomic128
2174     has_cmpxchg128 = cc.links('''
2175       int main(void)
2176       {
2177         unsigned __int128 x = 0, y = 0;
2178         __sync_val_compare_and_swap_16(&x, y, x);
2179         return 0;
2180       }
2181     ''')
2182
2183     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2184   endif
2185 endif
2186
2187 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2188   #include <sys/auxv.h>
2189   int main(void) {
2190     return getauxval(AT_HWCAP) == 0;
2191   }'''))
2192
2193 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2194   #include <linux/usbdevice_fs.h>
2195
2196   #ifndef USBDEVFS_GET_CAPABILITIES
2197   #error "USBDEVFS_GET_CAPABILITIES undefined"
2198   #endif
2199
2200   #ifndef USBDEVFS_DISCONNECT_CLAIM
2201   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2202   #endif
2203
2204   int main(void) { return 0; }'''))
2205
2206 have_keyring = get_option('keyring') \
2207   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2208   .require(cc.compiles('''
2209     #include <errno.h>
2210     #include <asm/unistd.h>
2211     #include <linux/keyctl.h>
2212     #include <sys/syscall.h>
2213     #include <unistd.h>
2214     int main(void) {
2215         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2216     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2217 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2218
2219 have_cpuid_h = cc.links('''
2220   #include <cpuid.h>
2221   int main(void) {
2222     unsigned a, b, c, d;
2223     unsigned max = __get_cpuid_max(0, 0);
2224
2225     if (max >= 1) {
2226         __cpuid(1, a, b, c, d);
2227     }
2228
2229     if (max >= 7) {
2230         __cpuid_count(7, 0, a, b, c, d);
2231     }
2232
2233     return 0;
2234   }''')
2235 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2236
2237 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2238   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2239   .require(cc.links('''
2240     #pragma GCC push_options
2241     #pragma GCC target("avx2")
2242     #include <cpuid.h>
2243     #include <immintrin.h>
2244     static int bar(void *a) {
2245       __m256i x = *(__m256i *)a;
2246       return _mm256_testz_si256(x, x);
2247     }
2248     int main(int argc, char *argv[]) { return bar(argv[0]); }
2249   '''), error_message: 'AVX2 not available').allowed())
2250
2251 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2252   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2253   .require(cc.links('''
2254     #pragma GCC push_options
2255     #pragma GCC target("avx512f")
2256     #include <cpuid.h>
2257     #include <immintrin.h>
2258     static int bar(void *a) {
2259       __m512i x = *(__m512i *)a;
2260       return _mm512_test_epi64_mask(x, x);
2261     }
2262     int main(int argc, char *argv[]) { return bar(argv[0]); }
2263   '''), error_message: 'AVX512F not available').allowed())
2264
2265 have_pvrdma = get_option('pvrdma') \
2266   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2267   .require(cc.compiles(gnu_source_prefix + '''
2268     #include <sys/mman.h>
2269     int main(void)
2270     {
2271       char buf = 0;
2272       void *addr = &buf;
2273       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2274
2275       return 0;
2276     }'''), error_message: 'PVRDMA requires mremap').allowed()
2277
2278 if have_pvrdma
2279   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2280     #include <infiniband/verbs.h>
2281     int main(void)
2282     {
2283       struct ibv_mr *mr;
2284       struct ibv_pd *pd = NULL;
2285       size_t length = 10;
2286       uint64_t iova = 0;
2287       int access = 0;
2288       void *addr = NULL;
2289
2290       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2291       ibv_dereg_mr(mr);
2292       return 0;
2293     }'''))
2294 endif
2295
2296 if get_option('membarrier').disabled()
2297   have_membarrier = false
2298 elif targetos == 'windows'
2299   have_membarrier = true
2300 elif targetos == 'linux'
2301   have_membarrier = cc.compiles('''
2302     #include <linux/membarrier.h>
2303     #include <sys/syscall.h>
2304     #include <unistd.h>
2305     #include <stdlib.h>
2306     int main(void) {
2307         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2308         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2309         exit(0);
2310     }''')
2311 endif
2312 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2313   .require(have_membarrier, error_message: 'membarrier system call not available') \
2314   .allowed())
2315
2316 have_afalg = get_option('crypto_afalg') \
2317   .require(cc.compiles(gnu_source_prefix + '''
2318     #include <errno.h>
2319     #include <sys/types.h>
2320     #include <sys/socket.h>
2321     #include <linux/if_alg.h>
2322     int main(void) {
2323       int sock;
2324       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2325       return sock;
2326     }
2327   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2328 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2329
2330 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2331   'linux/vm_sockets.h', 'AF_VSOCK',
2332   prefix: '#include <sys/socket.h>',
2333 ))
2334
2335 have_vss = false
2336 have_vss_sdk = false # old xp/2003 SDK
2337 if targetos == 'windows' and link_language == 'cpp'
2338   have_vss = cxx.compiles('''
2339     #define __MIDL_user_allocate_free_DEFINED__
2340     #include <vss.h>
2341     int main(void) { return VSS_CTX_BACKUP; }''')
2342   have_vss_sdk = cxx.has_header('vscoordint.h')
2343 endif
2344 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2345
2346 foreach k, v: config_host
2347   if k.startswith('CONFIG_')
2348     config_host_data.set(k, v == 'y' ? 1 : v)
2349   endif
2350 endforeach
2351
2352 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2353 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2354 if targetos == 'windows'
2355   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2356     #include <stdio.h>
2357     int main(void) {
2358       _lock_file(NULL);
2359       _unlock_file(NULL);
2360       return 0;
2361     }''', name: '_lock_file and _unlock_file'))
2362 endif
2363
2364 ########################
2365 # Target configuration #
2366 ########################
2367
2368 minikconf = find_program('scripts/minikconf.py')
2369 config_all = {}
2370 config_all_devices = {}
2371 config_all_disas = {}
2372 config_devices_mak_list = []
2373 config_devices_h = {}
2374 config_target_h = {}
2375 config_target_mak = {}
2376
2377 disassemblers = {
2378   'alpha' : ['CONFIG_ALPHA_DIS'],
2379   'avr' : ['CONFIG_AVR_DIS'],
2380   'cris' : ['CONFIG_CRIS_DIS'],
2381   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2382   'hppa' : ['CONFIG_HPPA_DIS'],
2383   'i386' : ['CONFIG_I386_DIS'],
2384   'x86_64' : ['CONFIG_I386_DIS'],
2385   'm68k' : ['CONFIG_M68K_DIS'],
2386   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2387   'mips' : ['CONFIG_MIPS_DIS'],
2388   'nios2' : ['CONFIG_NIOS2_DIS'],
2389   'or1k' : ['CONFIG_OPENRISC_DIS'],
2390   'ppc' : ['CONFIG_PPC_DIS'],
2391   'riscv' : ['CONFIG_RISCV_DIS'],
2392   'rx' : ['CONFIG_RX_DIS'],
2393   's390' : ['CONFIG_S390_DIS'],
2394   'sh4' : ['CONFIG_SH4_DIS'],
2395   'sparc' : ['CONFIG_SPARC_DIS'],
2396   'xtensa' : ['CONFIG_XTENSA_DIS'],
2397   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2398 }
2399 if link_language == 'cpp'
2400   disassemblers += {
2401     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2402   }
2403 endif
2404
2405 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2406 host_kconfig = \
2407   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2408   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2409   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2410   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2411   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2412   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2413   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2414   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2415   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2416   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2417   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2418   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2419   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2420   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2421
2422 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2423
2424 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2425 actual_target_dirs = []
2426 fdt_required = []
2427 foreach target : target_dirs
2428   config_target = { 'TARGET_NAME': target.split('-')[0] }
2429   if target.endswith('linux-user')
2430     if targetos != 'linux'
2431       if default_targets
2432         continue
2433       endif
2434       error('Target @0@ is only available on a Linux host'.format(target))
2435     endif
2436     config_target += { 'CONFIG_LINUX_USER': 'y' }
2437   elif target.endswith('bsd-user')
2438     if 'CONFIG_BSD' not in config_host
2439       if default_targets
2440         continue
2441       endif
2442       error('Target @0@ is only available on a BSD host'.format(target))
2443     endif
2444     config_target += { 'CONFIG_BSD_USER': 'y' }
2445   elif target.endswith('softmmu')
2446     config_target += { 'CONFIG_SOFTMMU': 'y' }
2447   endif
2448   if target.endswith('-user')
2449     config_target += {
2450       'CONFIG_USER_ONLY': 'y',
2451       'CONFIG_QEMU_INTERP_PREFIX':
2452         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2453     }
2454   endif
2455
2456   accel_kconfig = []
2457   foreach sym: accelerators
2458     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2459       config_target += { sym: 'y' }
2460       config_all += { sym: 'y' }
2461       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2462         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2463       endif
2464       if target in modular_tcg
2465         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2466       else
2467         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2468       endif
2469       accel_kconfig += [ sym + '=y' ]
2470     endif
2471   endforeach
2472   if accel_kconfig.length() == 0
2473     if default_targets
2474       continue
2475     endif
2476     error('No accelerator available for target @0@'.format(target))
2477   endif
2478
2479   actual_target_dirs += target
2480   config_target += keyval.load('configs/targets' / target + '.mak')
2481   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2482
2483   if 'TARGET_NEED_FDT' in config_target
2484     fdt_required += target
2485   endif
2486
2487   # Add default keys
2488   if 'TARGET_BASE_ARCH' not in config_target
2489     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2490   endif
2491   if 'TARGET_ABI_DIR' not in config_target
2492     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2493   endif
2494   if 'TARGET_BIG_ENDIAN' not in config_target
2495     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2496   endif
2497
2498   foreach k, v: disassemblers
2499     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2500       foreach sym: v
2501         config_target += { sym: 'y' }
2502         config_all_disas += { sym: 'y' }
2503       endforeach
2504     endif
2505   endforeach
2506
2507   config_target_data = configuration_data()
2508   foreach k, v: config_target
2509     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2510       # do nothing
2511     elif ignored.contains(k)
2512       # do nothing
2513     elif k == 'TARGET_BASE_ARCH'
2514       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2515       # not used to select files from sourcesets.
2516       config_target_data.set('TARGET_' + v.to_upper(), 1)
2517     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2518       config_target_data.set_quoted(k, v)
2519     elif v == 'y'
2520       config_target_data.set(k, 1)
2521     elif v == 'n'
2522       config_target_data.set(k, 0)
2523     else
2524       config_target_data.set(k, v)
2525     endif
2526   endforeach
2527   config_target_data.set('QEMU_ARCH',
2528                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2529   config_target_h += {target: configure_file(output: target + '-config-target.h',
2530                                                configuration: config_target_data)}
2531
2532   if target.endswith('-softmmu')
2533     config_input = meson.get_external_property(target, 'default')
2534     config_devices_mak = target + '-config-devices.mak'
2535     config_devices_mak = configure_file(
2536       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2537       output: config_devices_mak,
2538       depfile: config_devices_mak + '.d',
2539       capture: true,
2540       command: [minikconf,
2541                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2542                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2543                 host_kconfig, accel_kconfig,
2544                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2545
2546     config_devices_data = configuration_data()
2547     config_devices = keyval.load(config_devices_mak)
2548     foreach k, v: config_devices
2549       config_devices_data.set(k, 1)
2550     endforeach
2551     config_devices_mak_list += config_devices_mak
2552     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2553                                                 configuration: config_devices_data)}
2554     config_target += config_devices
2555     config_all_devices += config_devices
2556   endif
2557   config_target_mak += {target: config_target}
2558 endforeach
2559 target_dirs = actual_target_dirs
2560
2561 # This configuration is used to build files that are shared by
2562 # multiple binaries, and then extracted out of the "common"
2563 # static_library target.
2564 #
2565 # We do not use all_sources()/all_dependencies(), because it would
2566 # build literally all source files, including devices only used by
2567 # targets that are not built for this compilation.  The CONFIG_ALL
2568 # pseudo symbol replaces it.
2569
2570 config_all += config_all_devices
2571 config_all += config_host
2572 config_all += config_all_disas
2573 config_all += {
2574   'CONFIG_XEN': xen.found(),
2575   'CONFIG_SOFTMMU': have_system,
2576   'CONFIG_USER_ONLY': have_user,
2577   'CONFIG_ALL': true,
2578 }
2579
2580 target_configs_h = []
2581 foreach target: target_dirs
2582   target_configs_h += config_target_h[target]
2583   target_configs_h += config_devices_h.get(target, [])
2584 endforeach
2585 genh += custom_target('config-poison.h',
2586                       input: [target_configs_h],
2587                       output: 'config-poison.h',
2588                       capture: true,
2589                       command: [find_program('scripts/make-config-poison.sh'),
2590                                 target_configs_h])
2591
2592 ##############
2593 # Submodules #
2594 ##############
2595
2596 capstone = not_found
2597 if not get_option('capstone').auto() or have_system or have_user
2598   capstone = dependency('capstone', version: '>=3.0.5',
2599                         kwargs: static_kwargs, method: 'pkg-config',
2600                         required: get_option('capstone'))
2601
2602   # Some versions of capstone have broken pkg-config file
2603   # that reports a wrong -I path, causing the #include to
2604   # fail later. If the system has such a broken version
2605   # do not use it.
2606   if capstone.found() and not cc.compiles('#include <capstone.h>',
2607                                           dependencies: [capstone])
2608     capstone = not_found
2609     if get_option('capstone').enabled()
2610       error('capstone requested, but it does not appear to work')
2611     endif
2612   endif
2613 endif
2614
2615 slirp = not_found
2616 slirp_opt = 'disabled'
2617 if have_system
2618   slirp_opt = get_option('slirp')
2619   if slirp_opt in ['enabled', 'auto', 'system']
2620     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2621     slirp_dep_required = (slirp_opt == 'system' or
2622                           slirp_opt == 'enabled' and not have_internal)
2623     slirp = dependency('slirp', kwargs: static_kwargs,
2624                        method: 'pkg-config', version: '>=4.1.0',
2625                        required: slirp_dep_required)
2626     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2627     # it passes function pointers within libslirp as callbacks for timers.
2628     # When using a system-wide shared libslirp, the type information for the
2629     # callback is missing and the timer call produces a false positive with CFI.
2630     # Do not use the "version" keyword argument to produce a better error.
2631     # with control-flow integrity.
2632     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2633       if slirp_dep_required
2634         error('Control-Flow Integrity requires libslirp 4.7.')
2635       else
2636         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2637         slirp = not_found
2638       endif
2639     endif
2640     if slirp.found()
2641       slirp_opt = 'system'
2642     elif have_internal
2643       slirp_opt = 'internal'
2644     else
2645       slirp_opt = 'disabled'
2646     endif
2647   endif
2648   if slirp_opt == 'internal'
2649     slirp_deps = []
2650     if targetos == 'windows'
2651       slirp_deps = cc.find_library('iphlpapi')
2652     elif targetos == 'darwin'
2653       slirp_deps = cc.find_library('resolv')
2654     endif
2655     slirp_conf = configuration_data()
2656     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2657     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2658     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2659     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2660     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2661     slirp_files = [
2662       'slirp/src/arp_table.c',
2663       'slirp/src/bootp.c',
2664       'slirp/src/cksum.c',
2665       'slirp/src/dhcpv6.c',
2666       'slirp/src/dnssearch.c',
2667       'slirp/src/if.c',
2668       'slirp/src/ip6_icmp.c',
2669       'slirp/src/ip6_input.c',
2670       'slirp/src/ip6_output.c',
2671       'slirp/src/ip_icmp.c',
2672       'slirp/src/ip_input.c',
2673       'slirp/src/ip_output.c',
2674       'slirp/src/mbuf.c',
2675       'slirp/src/misc.c',
2676       'slirp/src/ncsi.c',
2677       'slirp/src/ndp_table.c',
2678       'slirp/src/sbuf.c',
2679       'slirp/src/slirp.c',
2680       'slirp/src/socket.c',
2681       'slirp/src/state.c',
2682       'slirp/src/stream.c',
2683       'slirp/src/tcp_input.c',
2684       'slirp/src/tcp_output.c',
2685       'slirp/src/tcp_subr.c',
2686       'slirp/src/tcp_timer.c',
2687       'slirp/src/tftp.c',
2688       'slirp/src/udp.c',
2689       'slirp/src/udp6.c',
2690       'slirp/src/util.c',
2691       'slirp/src/version.c',
2692       'slirp/src/vmstate.c',
2693     ]
2694
2695     configure_file(
2696       input : 'slirp/src/libslirp-version.h.in',
2697       output : 'libslirp-version.h',
2698       configuration: slirp_conf)
2699
2700     slirp_inc = include_directories('slirp', 'slirp/src')
2701     libslirp = static_library('slirp',
2702                               build_by_default: false,
2703                               sources: slirp_files,
2704                               c_args: slirp_cargs,
2705                               include_directories: slirp_inc)
2706     slirp = declare_dependency(link_with: libslirp,
2707                                dependencies: slirp_deps,
2708                                include_directories: slirp_inc)
2709   endif
2710 endif
2711
2712 libvfio_user_dep = not_found
2713 if have_system and vfio_user_server_allowed
2714   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2715
2716   if not have_internal
2717     error('libvfio-user source not found - please pull git submodule')
2718   endif
2719
2720   libvfio_user_proj = subproject('libvfio-user')
2721
2722   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2723
2724   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2725 endif
2726
2727 fdt = not_found
2728 if have_system
2729   fdt_opt = get_option('fdt')
2730   if fdt_opt in ['enabled', 'auto', 'system']
2731     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2732     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2733                           required: fdt_opt == 'system' or
2734                                     fdt_opt == 'enabled' and not have_internal)
2735     if fdt.found() and cc.links('''
2736        #include <libfdt.h>
2737        #include <libfdt_env.h>
2738        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2739          dependencies: fdt)
2740       fdt_opt = 'system'
2741     elif fdt_opt == 'system'
2742        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2743     elif have_internal
2744       fdt_opt = 'internal'
2745     else
2746       fdt_opt = 'disabled'
2747       fdt = not_found
2748     endif
2749   endif
2750   if fdt_opt == 'internal'
2751     fdt_files = files(
2752       'dtc/libfdt/fdt.c',
2753       'dtc/libfdt/fdt_ro.c',
2754       'dtc/libfdt/fdt_wip.c',
2755       'dtc/libfdt/fdt_sw.c',
2756       'dtc/libfdt/fdt_rw.c',
2757       'dtc/libfdt/fdt_strerror.c',
2758       'dtc/libfdt/fdt_empty_tree.c',
2759       'dtc/libfdt/fdt_addresses.c',
2760       'dtc/libfdt/fdt_overlay.c',
2761       'dtc/libfdt/fdt_check.c',
2762     )
2763
2764     fdt_inc = include_directories('dtc/libfdt')
2765     libfdt = static_library('fdt',
2766                             build_by_default: false,
2767                             sources: fdt_files,
2768                             include_directories: fdt_inc)
2769     fdt = declare_dependency(link_with: libfdt,
2770                              include_directories: fdt_inc)
2771   endif
2772 else
2773   fdt_opt = 'disabled'
2774 endif
2775 if not fdt.found() and fdt_required.length() > 0
2776   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2777 endif
2778
2779 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2780 config_host_data.set('CONFIG_FDT', fdt.found())
2781 config_host_data.set('CONFIG_SLIRP', slirp.found())
2782
2783 #####################
2784 # Generated sources #
2785 #####################
2786
2787 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2788
2789 hxtool = find_program('scripts/hxtool')
2790 shaderinclude = find_program('scripts/shaderinclude.pl')
2791 qapi_gen = find_program('scripts/qapi-gen.py')
2792 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2793                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2794                      meson.current_source_dir() / 'scripts/qapi/common.py',
2795                      meson.current_source_dir() / 'scripts/qapi/error.py',
2796                      meson.current_source_dir() / 'scripts/qapi/events.py',
2797                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2798                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2799                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2800                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2801                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2802                      meson.current_source_dir() / 'scripts/qapi/source.py',
2803                      meson.current_source_dir() / 'scripts/qapi/types.py',
2804                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2805                      meson.current_source_dir() / 'scripts/qapi/common.py',
2806                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2807 ]
2808
2809 tracetool = [
2810   python, files('scripts/tracetool.py'),
2811    '--backend=' + ','.join(get_option('trace_backends'))
2812 ]
2813 tracetool_depends = files(
2814   'scripts/tracetool/backend/log.py',
2815   'scripts/tracetool/backend/__init__.py',
2816   'scripts/tracetool/backend/dtrace.py',
2817   'scripts/tracetool/backend/ftrace.py',
2818   'scripts/tracetool/backend/simple.py',
2819   'scripts/tracetool/backend/syslog.py',
2820   'scripts/tracetool/backend/ust.py',
2821   'scripts/tracetool/format/ust_events_c.py',
2822   'scripts/tracetool/format/ust_events_h.py',
2823   'scripts/tracetool/format/__init__.py',
2824   'scripts/tracetool/format/d.py',
2825   'scripts/tracetool/format/simpletrace_stap.py',
2826   'scripts/tracetool/format/c.py',
2827   'scripts/tracetool/format/h.py',
2828   'scripts/tracetool/format/log_stap.py',
2829   'scripts/tracetool/format/stap.py',
2830   'scripts/tracetool/__init__.py',
2831   'scripts/tracetool/transform.py',
2832   'scripts/tracetool/vcpu.py'
2833 )
2834
2835 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2836                     meson.current_source_dir(),
2837                     get_option('pkgversion'), meson.project_version()]
2838 qemu_version = custom_target('qemu-version.h',
2839                              output: 'qemu-version.h',
2840                              command: qemu_version_cmd,
2841                              capture: true,
2842                              build_by_default: true,
2843                              build_always_stale: true)
2844 genh += qemu_version
2845
2846 hxdep = []
2847 hx_headers = [
2848   ['qemu-options.hx', 'qemu-options.def'],
2849   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2850 ]
2851 if have_system
2852   hx_headers += [
2853     ['hmp-commands.hx', 'hmp-commands.h'],
2854     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2855   ]
2856 endif
2857 foreach d : hx_headers
2858   hxdep += custom_target(d[1],
2859                 input: files(d[0]),
2860                 output: d[1],
2861                 capture: true,
2862                 build_by_default: true, # to be removed when added to a target
2863                 command: [hxtool, '-h', '@INPUT0@'])
2864 endforeach
2865 genh += hxdep
2866
2867 ###################
2868 # Collect sources #
2869 ###################
2870
2871 authz_ss = ss.source_set()
2872 blockdev_ss = ss.source_set()
2873 block_ss = ss.source_set()
2874 chardev_ss = ss.source_set()
2875 common_ss = ss.source_set()
2876 crypto_ss = ss.source_set()
2877 hwcore_ss = ss.source_set()
2878 io_ss = ss.source_set()
2879 qmp_ss = ss.source_set()
2880 qom_ss = ss.source_set()
2881 softmmu_ss = ss.source_set()
2882 specific_fuzz_ss = ss.source_set()
2883 specific_ss = ss.source_set()
2884 stub_ss = ss.source_set()
2885 trace_ss = ss.source_set()
2886 user_ss = ss.source_set()
2887 util_ss = ss.source_set()
2888
2889 # accel modules
2890 qtest_module_ss = ss.source_set()
2891 tcg_module_ss = ss.source_set()
2892
2893 modules = {}
2894 target_modules = {}
2895 hw_arch = {}
2896 target_arch = {}
2897 target_softmmu_arch = {}
2898 target_user_arch = {}
2899
2900 ###############
2901 # Trace files #
2902 ###############
2903
2904 # TODO: add each directory to the subdirs from its own meson.build, once
2905 # we have those
2906 trace_events_subdirs = [
2907   'crypto',
2908   'qapi',
2909   'qom',
2910   'monitor',
2911   'util',
2912 ]
2913 if have_linux_user
2914   trace_events_subdirs += [ 'linux-user' ]
2915 endif
2916 if have_bsd_user
2917   trace_events_subdirs += [ 'bsd-user' ]
2918 endif
2919 if have_block
2920   trace_events_subdirs += [
2921     'authz',
2922     'block',
2923     'io',
2924     'nbd',
2925     'scsi',
2926   ]
2927 endif
2928 if have_system
2929   trace_events_subdirs += [
2930     'accel/kvm',
2931     'audio',
2932     'backends',
2933     'backends/tpm',
2934     'chardev',
2935     'ebpf',
2936     'hw/9pfs',
2937     'hw/acpi',
2938     'hw/adc',
2939     'hw/alpha',
2940     'hw/arm',
2941     'hw/audio',
2942     'hw/block',
2943     'hw/block/dataplane',
2944     'hw/char',
2945     'hw/display',
2946     'hw/dma',
2947     'hw/hyperv',
2948     'hw/i2c',
2949     'hw/i386',
2950     'hw/i386/xen',
2951     'hw/ide',
2952     'hw/input',
2953     'hw/intc',
2954     'hw/isa',
2955     'hw/mem',
2956     'hw/mips',
2957     'hw/misc',
2958     'hw/misc/macio',
2959     'hw/net',
2960     'hw/net/can',
2961     'hw/nubus',
2962     'hw/nvme',
2963     'hw/nvram',
2964     'hw/pci',
2965     'hw/pci-host',
2966     'hw/ppc',
2967     'hw/rdma',
2968     'hw/rdma/vmw',
2969     'hw/rtc',
2970     'hw/s390x',
2971     'hw/scsi',
2972     'hw/sd',
2973     'hw/sh4',
2974     'hw/sparc',
2975     'hw/sparc64',
2976     'hw/ssi',
2977     'hw/timer',
2978     'hw/tpm',
2979     'hw/usb',
2980     'hw/vfio',
2981     'hw/virtio',
2982     'hw/watchdog',
2983     'hw/xen',
2984     'hw/gpio',
2985     'migration',
2986     'net',
2987     'softmmu',
2988     'ui',
2989     'hw/remote',
2990   ]
2991 endif
2992 if have_system or have_user
2993   trace_events_subdirs += [
2994     'accel/tcg',
2995     'hw/core',
2996     'target/arm',
2997     'target/arm/hvf',
2998     'target/hppa',
2999     'target/i386',
3000     'target/i386/kvm',
3001     'target/mips/tcg',
3002     'target/nios2',
3003     'target/ppc',
3004     'target/riscv',
3005     'target/s390x',
3006     'target/s390x/kvm',
3007     'target/sparc',
3008   ]
3009 endif
3010
3011 vhost_user = not_found
3012 if targetos == 'linux' and have_vhost_user
3013   libvhost_user = subproject('libvhost-user')
3014   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3015 endif
3016
3017 libvduse = not_found
3018 if have_libvduse
3019   libvduse_proj = subproject('libvduse')
3020   libvduse = libvduse_proj.get_variable('libvduse_dep')
3021 endif
3022
3023 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3024 # that is filled in by qapi/.
3025 subdir('qapi')
3026 subdir('qobject')
3027 subdir('stubs')
3028 subdir('trace')
3029 subdir('util')
3030 subdir('qom')
3031 subdir('authz')
3032 subdir('crypto')
3033 subdir('ui')
3034 subdir('hw')
3035
3036
3037 if enable_modules
3038   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3039   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3040 endif
3041
3042 qom_ss = qom_ss.apply(config_host, strict: false)
3043 libqom = static_library('qom', qom_ss.sources() + genh,
3044                         dependencies: [qom_ss.dependencies()],
3045                         name_suffix: 'fa')
3046 qom = declare_dependency(link_whole: libqom)
3047
3048 event_loop_base = files('event-loop-base.c')
3049 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3050                                  build_by_default: true)
3051 event_loop_base = declare_dependency(link_whole: event_loop_base,
3052                                      dependencies: [qom])
3053
3054 stub_ss = stub_ss.apply(config_all, strict: false)
3055
3056 util_ss.add_all(trace_ss)
3057 util_ss = util_ss.apply(config_all, strict: false)
3058 libqemuutil = static_library('qemuutil',
3059                              sources: util_ss.sources() + stub_ss.sources() + genh,
3060                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3061 qemuutil = declare_dependency(link_with: libqemuutil,
3062                               sources: genh + version_res,
3063                               dependencies: [event_loop_base])
3064
3065 if have_system or have_user
3066   decodetree = generator(find_program('scripts/decodetree.py'),
3067                          output: 'decode-@BASENAME@.c.inc',
3068                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3069   subdir('libdecnumber')
3070   subdir('target')
3071 endif
3072
3073 subdir('audio')
3074 subdir('io')
3075 subdir('chardev')
3076 subdir('fsdev')
3077 subdir('dump')
3078
3079 if have_block
3080   block_ss.add(files(
3081     'block.c',
3082     'blockjob.c',
3083     'job.c',
3084     'qemu-io-cmds.c',
3085   ))
3086   if config_host_data.get('CONFIG_REPLICATION')
3087     block_ss.add(files('replication.c'))
3088   endif
3089
3090   subdir('nbd')
3091   subdir('scsi')
3092   subdir('block')
3093
3094   blockdev_ss.add(files(
3095     'blockdev.c',
3096     'blockdev-nbd.c',
3097     'iothread.c',
3098     'job-qmp.c',
3099   ), gnutls)
3100
3101   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3102   # os-win32.c does not
3103   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3104   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3105 endif
3106
3107 common_ss.add(files('cpus-common.c'))
3108
3109 subdir('softmmu')
3110
3111 common_ss.add(capstone)
3112 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3113
3114 # Work around a gcc bug/misfeature wherein constant propagation looks
3115 # through an alias:
3116 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3117 # to guess that a const variable is always zero.  Without lto, this is
3118 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3119 # without lto, not even the alias is required -- we simply use different
3120 # declarations in different compilation units.
3121 pagevary = files('page-vary-common.c')
3122 if get_option('b_lto')
3123   pagevary_flags = ['-fno-lto']
3124   if get_option('cfi')
3125     pagevary_flags += '-fno-sanitize=cfi-icall'
3126   endif
3127   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3128                             c_args: pagevary_flags)
3129   pagevary = declare_dependency(link_with: pagevary)
3130 endif
3131 common_ss.add(pagevary)
3132 specific_ss.add(files('page-vary.c'))
3133
3134 subdir('backends')
3135 subdir('disas')
3136 subdir('migration')
3137 subdir('monitor')
3138 subdir('net')
3139 subdir('replay')
3140 subdir('semihosting')
3141 subdir('tcg')
3142 subdir('fpu')
3143 subdir('accel')
3144 subdir('plugins')
3145 subdir('ebpf')
3146
3147 common_user_inc = []
3148
3149 subdir('common-user')
3150 subdir('bsd-user')
3151 subdir('linux-user')
3152
3153 # needed for fuzzing binaries
3154 subdir('tests/qtest/libqos')
3155 subdir('tests/qtest/fuzz')
3156
3157 # accel modules
3158 tcg_real_module_ss = ss.source_set()
3159 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3160 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3161 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3162                                 'tcg': tcg_real_module_ss }}
3163
3164 ########################
3165 # Library dependencies #
3166 ########################
3167
3168 modinfo_collect = find_program('scripts/modinfo-collect.py')
3169 modinfo_generate = find_program('scripts/modinfo-generate.py')
3170 modinfo_files = []
3171
3172 block_mods = []
3173 softmmu_mods = []
3174 foreach d, list : modules
3175   foreach m, module_ss : list
3176     if enable_modules and targetos != 'windows'
3177       module_ss = module_ss.apply(config_all, strict: false)
3178       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3179                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3180       if d == 'block'
3181         block_mods += sl
3182       else
3183         softmmu_mods += sl
3184       endif
3185       if module_ss.sources() != []
3186         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3187         # input. Sources can be used multiple times but objects are
3188         # unique when it comes to lookup in compile_commands.json.
3189         # Depnds on a mesion version with
3190         # https://github.com/mesonbuild/meson/pull/8900
3191         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3192                                        output: d + '-' + m + '.modinfo',
3193                                        input: module_ss.sources() + genh,
3194                                        capture: true,
3195                                        command: [modinfo_collect, module_ss.sources()])
3196       endif
3197     else
3198       if d == 'block'
3199         block_ss.add_all(module_ss)
3200       else
3201         softmmu_ss.add_all(module_ss)
3202       endif
3203     endif
3204   endforeach
3205 endforeach
3206
3207 foreach d, list : target_modules
3208   foreach m, module_ss : list
3209     if enable_modules and targetos != 'windows'
3210       foreach target : target_dirs
3211         if target.endswith('-softmmu')
3212           config_target = config_target_mak[target]
3213           config_target += config_host
3214           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3215           c_args = ['-DNEED_CPU_H',
3216                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3217                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3218           target_module_ss = module_ss.apply(config_target, strict: false)
3219           if target_module_ss.sources() != []
3220             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3221             sl = static_library(module_name,
3222                                 [genh, target_module_ss.sources()],
3223                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3224                                 include_directories: target_inc,
3225                                 c_args: c_args,
3226                                 pic: true)
3227             softmmu_mods += sl
3228             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3229             modinfo_files += custom_target(module_name + '.modinfo',
3230                                            output: module_name + '.modinfo',
3231                                            input: target_module_ss.sources() + genh,
3232                                            capture: true,
3233                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3234           endif
3235         endif
3236       endforeach
3237     else
3238       specific_ss.add_all(module_ss)
3239     endif
3240   endforeach
3241 endforeach
3242
3243 if enable_modules
3244   foreach target : target_dirs
3245     if target.endswith('-softmmu')
3246       config_target = config_target_mak[target]
3247       config_devices_mak = target + '-config-devices.mak'
3248       modinfo_src = custom_target('modinfo-' + target + '.c',
3249                                   output: 'modinfo-' + target + '.c',
3250                                   input: modinfo_files,
3251                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3252                                   capture: true)
3253
3254       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3255       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3256
3257       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3258       hw_arch[arch].add(modinfo_dep)
3259     endif
3260   endforeach
3261 endif
3262
3263 nm = find_program('nm')
3264 undefsym = find_program('scripts/undefsym.py')
3265 block_syms = custom_target('block.syms', output: 'block.syms',
3266                              input: [libqemuutil, block_mods],
3267                              capture: true,
3268                              command: [undefsym, nm, '@INPUT@'])
3269 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3270                              input: [libqemuutil, softmmu_mods],
3271                              capture: true,
3272                              command: [undefsym, nm, '@INPUT@'])
3273
3274 authz_ss = authz_ss.apply(config_host, strict: false)
3275 libauthz = static_library('authz', authz_ss.sources() + genh,
3276                           dependencies: [authz_ss.dependencies()],
3277                           name_suffix: 'fa',
3278                           build_by_default: false)
3279
3280 authz = declare_dependency(link_whole: libauthz,
3281                            dependencies: qom)
3282
3283 crypto_ss = crypto_ss.apply(config_host, strict: false)
3284 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3285                            dependencies: [crypto_ss.dependencies()],
3286                            name_suffix: 'fa',
3287                            build_by_default: false)
3288
3289 crypto = declare_dependency(link_whole: libcrypto,
3290                             dependencies: [authz, qom])
3291
3292 io_ss = io_ss.apply(config_host, strict: false)
3293 libio = static_library('io', io_ss.sources() + genh,
3294                        dependencies: [io_ss.dependencies()],
3295                        link_with: libqemuutil,
3296                        name_suffix: 'fa',
3297                        build_by_default: false)
3298
3299 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3300
3301 libmigration = static_library('migration', sources: migration_files + genh,
3302                               name_suffix: 'fa',
3303                               build_by_default: false)
3304 migration = declare_dependency(link_with: libmigration,
3305                                dependencies: [zlib, qom, io])
3306 softmmu_ss.add(migration)
3307
3308 block_ss = block_ss.apply(config_host, strict: false)
3309 libblock = static_library('block', block_ss.sources() + genh,
3310                           dependencies: block_ss.dependencies(),
3311                           link_depends: block_syms,
3312                           name_suffix: 'fa',
3313                           build_by_default: false)
3314
3315 block = declare_dependency(link_whole: [libblock],
3316                            link_args: '@block.syms',
3317                            dependencies: [crypto, io])
3318
3319 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3320 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3321                              dependencies: blockdev_ss.dependencies(),
3322                              name_suffix: 'fa',
3323                              build_by_default: false)
3324
3325 blockdev = declare_dependency(link_whole: [libblockdev],
3326                               dependencies: [block, event_loop_base])
3327
3328 qmp_ss = qmp_ss.apply(config_host, strict: false)
3329 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3330                         dependencies: qmp_ss.dependencies(),
3331                         name_suffix: 'fa',
3332                         build_by_default: false)
3333
3334 qmp = declare_dependency(link_whole: [libqmp])
3335
3336 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3337                             name_suffix: 'fa',
3338                             dependencies: chardev_ss.dependencies(),
3339                             build_by_default: false)
3340
3341 chardev = declare_dependency(link_whole: libchardev)
3342
3343 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3344 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3345                            name_suffix: 'fa',
3346                            build_by_default: false)
3347 hwcore = declare_dependency(link_whole: libhwcore)
3348 common_ss.add(hwcore)
3349
3350 ###########
3351 # Targets #
3352 ###########
3353
3354 emulator_modules = []
3355 foreach m : block_mods + softmmu_mods
3356   emulator_modules += shared_module(m.name(),
3357                 build_by_default: true,
3358                 name_prefix: '',
3359                 link_whole: m,
3360                 install: true,
3361                 install_dir: qemu_moddir)
3362 endforeach
3363 if emulator_modules.length() > 0
3364   alias_target('modules', emulator_modules)
3365 endif
3366
3367 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3368 common_ss.add(qom, qemuutil)
3369
3370 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3371 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3372
3373 common_all = common_ss.apply(config_all, strict: false)
3374 common_all = static_library('common',
3375                             build_by_default: false,
3376                             sources: common_all.sources() + genh,
3377                             include_directories: common_user_inc,
3378                             implicit_include_directories: false,
3379                             dependencies: common_all.dependencies(),
3380                             name_suffix: 'fa')
3381
3382 feature_to_c = find_program('scripts/feature_to_c.sh')
3383
3384 if targetos == 'darwin'
3385   entitlement = find_program('scripts/entitlement.sh')
3386 endif
3387
3388 emulators = {}
3389 foreach target : target_dirs
3390   config_target = config_target_mak[target]
3391   target_name = config_target['TARGET_NAME']
3392   target_base_arch = config_target['TARGET_BASE_ARCH']
3393   arch_srcs = [config_target_h[target]]
3394   arch_deps = []
3395   c_args = ['-DNEED_CPU_H',
3396             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3397             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3398   link_args = emulator_link_args
3399
3400   config_target += config_host
3401   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3402   if targetos == 'linux'
3403     target_inc += include_directories('linux-headers', is_system: true)
3404   endif
3405   if target.endswith('-softmmu')
3406     qemu_target_name = 'qemu-system-' + target_name
3407     target_type='system'
3408     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3409     arch_srcs += t.sources()
3410     arch_deps += t.dependencies()
3411
3412     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3413     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3414     arch_srcs += hw.sources()
3415     arch_deps += hw.dependencies()
3416
3417     arch_srcs += config_devices_h[target]
3418     link_args += ['@block.syms', '@qemu.syms']
3419   else
3420     abi = config_target['TARGET_ABI_DIR']
3421     target_type='user'
3422     target_inc += common_user_inc
3423     qemu_target_name = 'qemu-' + target_name
3424     if target_base_arch in target_user_arch
3425       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3426       arch_srcs += t.sources()
3427       arch_deps += t.dependencies()
3428     endif
3429     if 'CONFIG_LINUX_USER' in config_target
3430       base_dir = 'linux-user'
3431     endif
3432     if 'CONFIG_BSD_USER' in config_target
3433       base_dir = 'bsd-user'
3434       target_inc += include_directories('bsd-user/' / targetos)
3435       target_inc += include_directories('bsd-user/host/' / host_arch)
3436       dir = base_dir / abi
3437       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3438     endif
3439     target_inc += include_directories(
3440       base_dir,
3441       base_dir / abi,
3442     )
3443     if 'CONFIG_LINUX_USER' in config_target
3444       dir = base_dir / abi
3445       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3446       if config_target.has_key('TARGET_SYSTBL_ABI')
3447         arch_srcs += \
3448           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3449                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3450       endif
3451     endif
3452   endif
3453
3454   if 'TARGET_XML_FILES' in config_target
3455     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3456                                 output: target + '-gdbstub-xml.c',
3457                                 input: files(config_target['TARGET_XML_FILES'].split()),
3458                                 command: [feature_to_c, '@INPUT@'],
3459                                 capture: true)
3460     arch_srcs += gdbstub_xml
3461   endif
3462
3463   t = target_arch[target_base_arch].apply(config_target, strict: false)
3464   arch_srcs += t.sources()
3465   arch_deps += t.dependencies()
3466
3467   target_common = common_ss.apply(config_target, strict: false)
3468   objects = common_all.extract_objects(target_common.sources())
3469   deps = target_common.dependencies()
3470
3471   target_specific = specific_ss.apply(config_target, strict: false)
3472   arch_srcs += target_specific.sources()
3473   arch_deps += target_specific.dependencies()
3474
3475   lib = static_library('qemu-' + target,
3476                  sources: arch_srcs + genh,
3477                  dependencies: arch_deps,
3478                  objects: objects,
3479                  include_directories: target_inc,
3480                  c_args: c_args,
3481                  build_by_default: false,
3482                  name_suffix: 'fa')
3483
3484   if target.endswith('-softmmu')
3485     execs = [{
3486       'name': 'qemu-system-' + target_name,
3487       'win_subsystem': 'console',
3488       'sources': files('softmmu/main.c'),
3489       'dependencies': []
3490     }]
3491     if targetos == 'windows' and (sdl.found() or gtk.found())
3492       execs += [{
3493         'name': 'qemu-system-' + target_name + 'w',
3494         'win_subsystem': 'windows',
3495         'sources': files('softmmu/main.c'),
3496         'dependencies': []
3497       }]
3498     endif
3499     if get_option('fuzzing')
3500       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3501       execs += [{
3502         'name': 'qemu-fuzz-' + target_name,
3503         'win_subsystem': 'console',
3504         'sources': specific_fuzz.sources(),
3505         'dependencies': specific_fuzz.dependencies(),
3506       }]
3507     endif
3508   else
3509     execs = [{
3510       'name': 'qemu-' + target_name,
3511       'win_subsystem': 'console',
3512       'sources': [],
3513       'dependencies': []
3514     }]
3515   endif
3516   foreach exe: execs
3517     exe_name = exe['name']
3518     if targetos == 'darwin'
3519       exe_name += '-unsigned'
3520     endif
3521
3522     emulator = executable(exe_name, exe['sources'],
3523                install: true,
3524                c_args: c_args,
3525                dependencies: arch_deps + deps + exe['dependencies'],
3526                objects: lib.extract_all_objects(recursive: true),
3527                link_language: link_language,
3528                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3529                link_args: link_args,
3530                win_subsystem: exe['win_subsystem'])
3531
3532     if targetos == 'darwin'
3533       icon = 'pc-bios/qemu.rsrc'
3534       build_input = [emulator, files(icon)]
3535       install_input = [
3536         get_option('bindir') / exe_name,
3537         meson.current_source_dir() / icon
3538       ]
3539       if 'CONFIG_HVF' in config_target
3540         entitlements = 'accel/hvf/entitlements.plist'
3541         build_input += files(entitlements)
3542         install_input += meson.current_source_dir() / entitlements
3543       endif
3544
3545       emulators += {exe['name'] : custom_target(exe['name'],
3546                    input: build_input,
3547                    output: exe['name'],
3548                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3549       }
3550
3551       meson.add_install_script(entitlement, '--install',
3552                                get_option('bindir') / exe['name'],
3553                                install_input)
3554     else
3555       emulators += {exe['name']: emulator}
3556     endif
3557
3558     if stap.found()
3559       foreach stp: [
3560         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3561         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3562         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3563         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3564       ]
3565         custom_target(exe['name'] + stp['ext'],
3566                       input: trace_events_all,
3567                       output: exe['name'] + stp['ext'],
3568                       install: stp['install'],
3569                       install_dir: get_option('datadir') / 'systemtap/tapset',
3570                       command: [
3571                         tracetool, '--group=all', '--format=' + stp['fmt'],
3572                         '--binary=' + stp['bin'],
3573                         '--target-name=' + target_name,
3574                         '--target-type=' + target_type,
3575                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3576                         '@INPUT@', '@OUTPUT@'
3577                       ],
3578                       depend_files: tracetool_depends)
3579       endforeach
3580     endif
3581   endforeach
3582 endforeach
3583
3584 # Other build targets
3585
3586 if 'CONFIG_PLUGIN' in config_host
3587   install_headers('include/qemu/qemu-plugin.h')
3588 endif
3589
3590 subdir('qga')
3591
3592 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3593 # when we don't build tools or system
3594 if xkbcommon.found()
3595   # used for the update-keymaps target, so include rules even if !have_tools
3596   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3597                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3598 endif
3599
3600 if have_tools
3601   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3602              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3603   qemu_io = executable('qemu-io', files('qemu-io.c'),
3604              dependencies: [block, qemuutil], install: true)
3605   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3606                dependencies: [blockdev, qemuutil, gnutls, selinux],
3607                install: true)
3608
3609   subdir('storage-daemon')
3610   subdir('contrib/rdmacm-mux')
3611   subdir('contrib/elf2dmp')
3612
3613   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3614              dependencies: qemuutil,
3615              install: true)
3616
3617   if have_vhost_user
3618     subdir('contrib/vhost-user-blk')
3619     subdir('contrib/vhost-user-gpu')
3620     subdir('contrib/vhost-user-input')
3621     subdir('contrib/vhost-user-scsi')
3622   endif
3623
3624   if targetos == 'linux'
3625     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3626                dependencies: [qemuutil, libcap_ng],
3627                install: true,
3628                install_dir: get_option('libexecdir'))
3629
3630     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3631                dependencies: [authz, crypto, io, qom, qemuutil,
3632                               libcap_ng, mpathpersist],
3633                install: true)
3634   endif
3635
3636   if have_ivshmem
3637     subdir('contrib/ivshmem-client')
3638     subdir('contrib/ivshmem-server')
3639   endif
3640 endif
3641
3642 subdir('scripts')
3643 subdir('tools')
3644 subdir('pc-bios')
3645 subdir('docs')
3646 subdir('tests')
3647 if gtk.found()
3648   subdir('po')
3649 endif
3650
3651 if host_machine.system() == 'windows'
3652   nsis_cmd = [
3653     find_program('scripts/nsis.py'),
3654     '@OUTPUT@',
3655     get_option('prefix'),
3656     meson.current_source_dir(),
3657     host_machine.cpu(),
3658     '--',
3659     '-DDISPLAYVERSION=' + meson.project_version(),
3660   ]
3661   if build_docs
3662     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3663   endif
3664   if gtk.found()
3665     nsis_cmd += '-DCONFIG_GTK=y'
3666   endif
3667
3668   nsis = custom_target('nsis',
3669                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3670                        input: files('qemu.nsi'),
3671                        build_always_stale: true,
3672                        command: nsis_cmd + ['@INPUT@'])
3673   alias_target('installer', nsis)
3674 endif
3675
3676 #########################
3677 # Configuration summary #
3678 #########################
3679
3680 # Directories
3681 summary_info = {}
3682 summary_info += {'Install prefix':    get_option('prefix')}
3683 summary_info += {'BIOS directory':    qemu_datadir}
3684 pathsep = targetos == 'windows' ? ';' : ':'
3685 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3686 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3687 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3688 summary_info += {'module directory':  qemu_moddir}
3689 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3690 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3691 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3692 if targetos != 'windows'
3693   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3694   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3695 else
3696   summary_info += {'local state directory': 'queried at runtime'}
3697 endif
3698 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3699 summary_info += {'Build directory':   meson.current_build_dir()}
3700 summary_info += {'Source path':       meson.current_source_dir()}
3701 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3702 summary(summary_info, bool_yn: true, section: 'Directories')
3703
3704 # Host binaries
3705 summary_info = {}
3706 summary_info += {'git':               config_host['GIT']}
3707 summary_info += {'make':              config_host['MAKE']}
3708 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3709 summary_info += {'sphinx-build':      sphinx_build}
3710 if config_host.has_key('HAVE_GDB_BIN')
3711   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3712 endif
3713 summary_info += {'iasl':              iasl}
3714 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3715 if targetos == 'windows' and have_ga
3716   summary_info += {'wixl':            wixl}
3717 endif
3718 if slirp_opt != 'disabled' and have_system
3719   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3720 endif
3721 summary(summary_info, bool_yn: true, section: 'Host binaries')
3722
3723 # Configurable features
3724 summary_info = {}
3725 summary_info += {'Documentation':     build_docs}
3726 summary_info += {'system-mode emulation': have_system}
3727 summary_info += {'user-mode emulation': have_user}
3728 summary_info += {'block layer':       have_block}
3729 summary_info += {'Install blobs':     get_option('install_blobs')}
3730 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3731 if config_host.has_key('CONFIG_MODULES')
3732   summary_info += {'alternative module path': get_option('module_upgrades')}
3733 endif
3734 summary_info += {'fuzzing support':   get_option('fuzzing')}
3735 if have_system
3736   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3737 endif
3738 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3739 if 'simple' in get_option('trace_backends')
3740   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3741 endif
3742 summary_info += {'D-Bus display':     dbus_display}
3743 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3744 summary_info += {'vhost-kernel support': have_vhost_kernel}
3745 summary_info += {'vhost-net support': have_vhost_net}
3746 summary_info += {'vhost-user support': have_vhost_user}
3747 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3748 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3749 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3750 summary_info += {'build guest agent': have_ga}
3751 summary(summary_info, bool_yn: true, section: 'Configurable features')
3752
3753 # Compilation information
3754 summary_info = {}
3755 summary_info += {'host CPU':          cpu}
3756 summary_info += {'host endianness':   build_machine.endian()}
3757 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3758 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3759 if link_language == 'cpp'
3760   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3761 else
3762   summary_info += {'C++ compiler':      false}
3763 endif
3764 if targetos == 'darwin'
3765   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3766 endif
3767 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3768                                                + ['-O' + get_option('optimization')]
3769                                                + (get_option('debug') ? ['-g'] : []))}
3770 if link_language == 'cpp'
3771   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3772                                                + ['-O' + get_option('optimization')]
3773                                                + (get_option('debug') ? ['-g'] : []))}
3774 endif
3775 if targetos == 'darwin'
3776   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3777                                                + ['-O' + get_option('optimization')]
3778                                                + (get_option('debug') ? ['-g'] : []))}
3779 endif
3780 link_args = get_option(link_language + '_link_args')
3781 if link_args.length() > 0
3782   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3783 endif
3784 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3785 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3786 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3787 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3788 summary_info += {'profiler':          get_option('profiler')}
3789 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3790 summary_info += {'PIE':               get_option('b_pie')}
3791 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3792 summary_info += {'malloc trim support': has_malloc_trim}
3793 summary_info += {'membarrier':        have_membarrier}
3794 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3795 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3796 summary_info += {'memory allocator':  get_option('malloc')}
3797 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3798 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3799 summary_info += {'gprof enabled':     get_option('gprof')}
3800 summary_info += {'gcov':              get_option('b_coverage')}
3801 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3802 summary_info += {'CFI support':       get_option('cfi')}
3803 if get_option('cfi')
3804   summary_info += {'CFI debug support': get_option('cfi_debug')}
3805 endif
3806 summary_info += {'strip binaries':    get_option('strip')}
3807 summary_info += {'sparse':            sparse}
3808 summary_info += {'mingw32 support':   targetos == 'windows'}
3809 summary(summary_info, bool_yn: true, section: 'Compilation')
3810
3811 # snarf the cross-compilation information for tests
3812 summary_info = {}
3813 have_cross = false
3814 foreach target: target_dirs
3815   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3816   if fs.exists(tcg_mak)
3817     config_cross_tcg = keyval.load(tcg_mak)
3818     if 'CC' in config_cross_tcg
3819       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3820       have_cross = true
3821     endif
3822   endif
3823 endforeach
3824 if have_cross
3825   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3826 endif
3827
3828 # Targets and accelerators
3829 summary_info = {}
3830 if have_system
3831   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3832   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3833   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3834   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3835   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3836   summary_info += {'Xen support':       xen.found()}
3837   if xen.found()
3838     summary_info += {'xen ctrl version':  xen.version()}
3839   endif
3840 endif
3841 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3842 if config_all.has_key('CONFIG_TCG')
3843   if get_option('tcg_interpreter')
3844     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3845   else
3846     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3847   endif
3848   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3849   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3850 endif
3851 summary_info += {'target list':       ' '.join(target_dirs)}
3852 if have_system
3853   summary_info += {'default devices':   get_option('default_devices')}
3854   summary_info += {'out of process emulation': multiprocess_allowed}
3855   summary_info += {'vfio-user server': vfio_user_server_allowed}
3856 endif
3857 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3858
3859 # Block layer
3860 summary_info = {}
3861 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3862 summary_info += {'coroutine pool':    have_coroutine_pool}
3863 if have_block
3864   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3865   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3866   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3867   summary_info += {'VirtFS support':    have_virtfs}
3868   summary_info += {'build virtiofs daemon': have_virtiofsd}
3869   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3870   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3871   summary_info += {'bochs support':     get_option('bochs').allowed()}
3872   summary_info += {'cloop support':     get_option('cloop').allowed()}
3873   summary_info += {'dmg support':       get_option('dmg').allowed()}
3874   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3875   summary_info += {'vdi support':       get_option('vdi').allowed()}
3876   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3877   summary_info += {'qed support':       get_option('qed').allowed()}
3878   summary_info += {'parallels support': get_option('parallels').allowed()}
3879   summary_info += {'FUSE exports':      fuse}
3880   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3881 endif
3882 summary(summary_info, bool_yn: true, section: 'Block layer support')
3883
3884 # Crypto
3885 summary_info = {}
3886 summary_info += {'TLS priority':      get_option('tls_priority')}
3887 summary_info += {'GNUTLS support':    gnutls}
3888 if gnutls.found()
3889   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3890 endif
3891 summary_info += {'libgcrypt':         gcrypt}
3892 summary_info += {'nettle':            nettle}
3893 if nettle.found()
3894    summary_info += {'  XTS':             xts != 'private'}
3895 endif
3896 summary_info += {'AF_ALG support':    have_afalg}
3897 summary_info += {'rng-none':          get_option('rng_none')}
3898 summary_info += {'Linux keyring':     have_keyring}
3899 summary(summary_info, bool_yn: true, section: 'Crypto')
3900
3901 # Libraries
3902 summary_info = {}
3903 if targetos == 'darwin'
3904   summary_info += {'Cocoa support':           cocoa}
3905   summary_info += {'vmnet.framework support': vmnet}
3906 endif
3907 summary_info += {'SDL support':       sdl}
3908 summary_info += {'SDL image support': sdl_image}
3909 summary_info += {'GTK support':       gtk}
3910 summary_info += {'pixman':            pixman}
3911 summary_info += {'VTE support':       vte}
3912 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3913 summary_info += {'libtasn1':          tasn1}
3914 summary_info += {'PAM':               pam}
3915 summary_info += {'iconv support':     iconv}
3916 summary_info += {'curses support':    curses}
3917 summary_info += {'virgl support':     virgl}
3918 summary_info += {'curl support':      curl}
3919 summary_info += {'Multipath support': mpathpersist}
3920 summary_info += {'PNG support':       png}
3921 summary_info += {'VNC support':       vnc}
3922 if vnc.found()
3923   summary_info += {'VNC SASL support':  sasl}
3924   summary_info += {'VNC JPEG support':  jpeg}
3925 endif
3926 if targetos not in ['darwin', 'haiku', 'windows']
3927   summary_info += {'OSS support':     oss}
3928 elif targetos == 'darwin'
3929   summary_info += {'CoreAudio support': coreaudio}
3930 elif targetos == 'windows'
3931   summary_info += {'DirectSound support': dsound}
3932 endif
3933 if targetos == 'linux'
3934   summary_info += {'ALSA support':    alsa}
3935   summary_info += {'PulseAudio support': pulse}
3936 endif
3937 summary_info += {'JACK support':      jack}
3938 summary_info += {'brlapi support':    brlapi}
3939 summary_info += {'vde support':       vde}
3940 summary_info += {'netmap support':    have_netmap}
3941 summary_info += {'l2tpv3 support':    have_l2tpv3}
3942 summary_info += {'Linux AIO support': libaio}
3943 summary_info += {'Linux io_uring support': linux_io_uring}
3944 summary_info += {'ATTR/XATTR support': libattr}
3945 summary_info += {'RDMA support':      rdma}
3946 summary_info += {'PVRDMA support':    have_pvrdma}
3947 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3948 summary_info += {'libcap-ng support': libcap_ng}
3949 summary_info += {'bpf support':       libbpf}
3950 summary_info += {'spice protocol support': spice_protocol}
3951 if spice_protocol.found()
3952   summary_info += {'  spice server support': spice}
3953 endif
3954 summary_info += {'rbd support':       rbd}
3955 summary_info += {'smartcard support': cacard}
3956 summary_info += {'U2F support':       u2f}
3957 summary_info += {'libusb':            libusb}
3958 summary_info += {'usb net redir':     usbredir}
3959 summary_info += {'OpenGL support (epoxy)': opengl}
3960 summary_info += {'GBM':               gbm}
3961 summary_info += {'libiscsi support':  libiscsi}
3962 summary_info += {'libnfs support':    libnfs}
3963 if targetos == 'windows'
3964   if have_ga
3965     summary_info += {'QGA VSS support':   have_qga_vss}
3966   endif
3967 endif
3968 summary_info += {'seccomp support':   seccomp}
3969 summary_info += {'GlusterFS support': glusterfs}
3970 summary_info += {'TPM support':       have_tpm}
3971 summary_info += {'libssh support':    libssh}
3972 summary_info += {'lzo support':       lzo}
3973 summary_info += {'snappy support':    snappy}
3974 summary_info += {'bzip2 support':     libbzip2}
3975 summary_info += {'lzfse support':     liblzfse}
3976 summary_info += {'zstd support':      zstd}
3977 summary_info += {'NUMA host support': numa}
3978 summary_info += {'capstone':          capstone}
3979 summary_info += {'libpmem support':   libpmem}
3980 summary_info += {'libdaxctl support': libdaxctl}
3981 summary_info += {'libudev':           libudev}
3982 # Dummy dependency, keep .found()
3983 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3984 summary_info += {'selinux':           selinux}
3985 summary(summary_info, bool_yn: true, section: 'Dependencies')
3986
3987 if not supported_cpus.contains(cpu)
3988   message()
3989   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3990   message()
3991   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3992   message('The QEMU project intends to remove support for this host CPU in')
3993   message('a future release if nobody volunteers to maintain it and to')
3994   message('provide a build host for our continuous integration setup.')
3995   message('configure has succeeded and you can continue to build, but')
3996   message('if you care about QEMU on this platform you should contact')
3997   message('us upstream at qemu-devel@nongnu.org.')
3998 endif
3999
4000 if not supported_oses.contains(targetos)
4001   message()
4002   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4003   message()
4004   message('Host OS ' + targetos + 'support is not currently maintained.')
4005   message('The QEMU project intends to remove support for this host OS in')
4006   message('a future release if nobody volunteers to maintain it and to')
4007   message('provide a build host for our continuous integration setup.')
4008   message('configure has succeeded and you can continue to build, but')
4009   message('if you care about QEMU on this platform you should contact')
4010   message('us upstream at qemu-devel@nongnu.org.')
4011 endif