meson.build

   1 project('qemu', ['c'], meson_version: '>=0.61.3',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
   4         version: files('VERSION'))
   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 targetos = host_machine.system()
  18 sh = find_program('sh')
  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 cc = meson.get_compiler('c')
  27 all_languages = ['c']
  28 if add_languages('cpp', required: false, native: false)
  29   all_languages += ['cpp']
  30   cxx = meson.get_compiler('cpp')
  31 endif
  32 if targetos == 'darwin' and \
  33    add_languages('objc', required: get_option('cocoa'), native: false)
  34   all_languages += ['objc']
  35   objc = meson.get_compiler('objc')
  36 endif
  37
  38 # Temporary directory used for files created while
  39 # configure runs. Since it is in the build directory
  40 # we can safely blow away any previous version of it
  41 # (and we need not jump through hoops to try to delete
  42 # it when configure exits.)
  43 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  44
  45 if get_option('qemu_suffix').startswith('/')
  46   error('qemu_suffix cannot start with a /')
  47 endif
  48
  49 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  50 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  51 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  52 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  53
  54 qemu_desktopdir = get_option('datadir') / 'applications'
  55 qemu_icondir = get_option('datadir') / 'icons'
  56
  57 config_host_data = configuration_data()
  58 genh = []
  59 qapi_trace_events = []
  60
  61 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  62 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  63 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  64   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
  65
  66 cpu = host_machine.cpu_family()
  67
  68 # Unify riscv* to a single family.
  69 if cpu in ['riscv32', 'riscv64']
  70   cpu = 'riscv'
  71 endif
  72
  73 target_dirs = config_host['TARGET_DIRS'].split()
  74 have_linux_user = false
  75 have_bsd_user = false
  76 have_system = false
  77 foreach target : target_dirs
  78   have_linux_user = have_linux_user or target.endswith('linux-user')
  79   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  80   have_system = have_system or target.endswith('-softmmu')
  81 endforeach
  82 have_user = have_linux_user or have_bsd_user
  83 have_tools = get_option('tools') \
  84   .disable_auto_if(not have_system) \
  85   .allowed()
  86 have_ga = get_option('guest_agent') \
  87   .disable_auto_if(not have_system and not have_tools) \
  88   .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
  89            error_message: 'unsupported OS for QEMU guest agent') \
  90   .allowed()
  91 have_block = have_system or have_tools
  92
  93 python = import('python').find_installation()
  94
  95 if cpu not in supported_cpus
  96   host_arch = 'unknown'
  97 elif cpu == 'x86'
  98   host_arch = 'i386'
  99 elif cpu == 'mips64'
 100   host_arch = 'mips'
 101 else
 102   host_arch = cpu
 103 endif
 104
 105 if cpu in ['x86', 'x86_64']
 106   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
 107 elif cpu == 'aarch64'
 108   kvm_targets = ['aarch64-softmmu']
 109 elif cpu == 's390x'
 110   kvm_targets = ['s390x-softmmu']
 111 elif cpu in ['ppc', 'ppc64']
 112   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 113 elif cpu in ['mips', 'mips64']
 114   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 115 elif cpu in ['riscv']
 116   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 117 else
 118   kvm_targets = []
 119 endif
 120
 121 kvm_targets_c = '""'
 122 if get_option('kvm').allowed() and targetos == 'linux'
 123   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 124 endif
 125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 126
 127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 128
 129 if cpu in ['aarch64']
 130   accelerator_targets += {
 131     'CONFIG_HVF': ['aarch64-softmmu']
 132   }
 133 endif
 134
 135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 136   # i386 emulator provides xenpv machine type for multiple architectures
 137   accelerator_targets += {
 138     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 139   }
 140 endif
 141 if cpu in ['x86', 'x86_64']
 142   accelerator_targets += {
 143     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 144     'CONFIG_HVF': ['x86_64-softmmu'],
 145     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 146     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 147   }
 148 endif
 149
 150 modular_tcg = []
 151 # Darwin does not support references to thread-local variables in modules
 152 if targetos != 'darwin'
 153   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 154 endif
 155
 156 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 157 unpack_edk2_blobs = false
 158 foreach target : edk2_targets
 159   if target in target_dirs
 160     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 161     unpack_edk2_blobs = bzip2.found()
 162     break
 163   endif
 164 endforeach
 165
 166 dtrace = not_found
 167 stap = not_found
 168 if 'dtrace' in get_option('trace_backends')
 169   dtrace = find_program('dtrace', required: true)
 170   stap = find_program('stap', required: false)
 171   if stap.found()
 172     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 173     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 174     # instead. QEMU --enable-modules depends on this because the SystemTap
 175     # semaphores are linked into the main binary and not the module's shared
 176     # object.
 177     add_global_arguments('-DSTAP_SDT_V2',
 178                          native: false, language: all_languages)
 179   endif
 180 endif
 181
 182 if get_option('iasl') == ''
 183   iasl = find_program('iasl', required: false)
 184 else
 185   iasl = find_program(get_option('iasl'), required: true)
 186 endif
 187
 188 ##################
 189 # Compiler flags #
 190 ##################
 191
 192 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 193 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 194 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 195
 196 if enable_static
 197   qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
 198 endif
 199
 200 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
 201 # The combination is known as "full relro", because .got.plt is read-only too.
 202 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
 203
 204 if targetos == 'windows'
 205   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 206   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
 207 endif
 208
 209 if get_option('gprof')
 210   qemu_cflags += ['-p']
 211   qemu_objcflags += ['-p']
 212   qemu_ldflags += ['-p']
 213 endif
 214
 215 # Specify linker-script with add_project_link_arguments so that it is not placed
 216 # within a linker --start-group/--end-group pair
 217 if get_option('fuzzing')
 218   # Specify a filter to only instrument code that is directly related to
 219   # virtual-devices.
 220   configure_file(output: 'instrumentation-filter',
 221                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 222                  copy: true)
 223
 224   if cc.compiles('int main () { return 0; }',
 225                   name: '-fsanitize-coverage-allowlist=/dev/null',
 226                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 227                         '-fsanitize-coverage=trace-pc'] )
 228     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 229                          native: false, language: all_languages)
 230   endif
 231
 232   if get_option('fuzzing_engine') == ''
 233     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 234     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 235     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 236     # unable to bind the fuzzer-related callbacks added by instrumentation.
 237     add_global_arguments('-fsanitize=fuzzer-no-link',
 238                          native: false, language: all_languages)
 239     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 240                               native: false, language: all_languages)
 241     # For the actual fuzzer binaries, we need to link against the libfuzzer
 242     # library. They need to be configurable, to support OSS-Fuzz
 243     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 244   else
 245     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 246     # the needed CFLAGS have already been provided
 247     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 248   endif
 249 endif
 250
 251 # Check that the C++ compiler exists and works with the C compiler.
 252 link_language = 'c'
 253 linker = cc
 254 qemu_cxxflags = []
 255 if 'cpp' in all_languages
 256   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
 257                        native: false, language: 'cpp')
 258   foreach k: qemu_cflags
 259     if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
 260                  '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
 261       qemu_cxxflags += [k]
 262     endif
 263   endforeach
 264
 265   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
 266     link_language = 'cpp'
 267     linker = cxx
 268   else
 269     message('C++ compiler does not work with C compiler')
 270     message('Disabling C++-specific optional code')
 271   endif
 272 endif
 273
 274 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
 275 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
 276   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 277 endif
 278
 279 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 280
 281 add_global_arguments(qemu_cflags, native: false, language: 'c')
 282 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 283 add_global_arguments(qemu_objcflags, native: false, language: 'objc')
 284 if targetos == 'linux'
 285   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 286                         '-isystem', 'linux-headers',
 287                         language: all_languages)
 288 endif
 289
 290 add_project_arguments('-iquote', '.',
 291                       '-iquote', meson.current_source_dir(),
 292                       '-iquote', meson.current_source_dir() / 'include',
 293                       language: all_languages)
 294
 295 sparse = find_program('cgcc', required: get_option('sparse'))
 296 if sparse.found()
 297   run_target('sparse',
 298              command: [find_program('scripts/check_sparse.py'),
 299                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 300                        '-Wno-transparent-union', '-Wno-old-initializer',
 301                        '-Wno-non-pointer-null'])
 302 endif
 303
 304 ###########################################
 305 # Target-specific checks and dependencies #
 306 ###########################################
 307
 308 # Fuzzing
 309 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 310     not cc.links('''
 311           #include <stdint.h>
 312           #include <sys/types.h>
 313           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 314           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 315         ''',
 316         args: ['-Werror', '-fsanitize=fuzzer'])
 317   error('Your compiler does not support -fsanitize=fuzzer')
 318 endif
 319
 320 # Tracing backends
 321 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 322   error('ftrace is supported only on Linux')
 323 endif
 324 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 325     #include <syslog.h>
 326     int main(void) {
 327         openlog("qemu", LOG_PID, LOG_DAEMON);
 328         syslog(LOG_INFO, "configure");
 329         return 0;
 330     }''')
 331   error('syslog is not supported on this system')
 332 endif
 333
 334 # Miscellaneous Linux-only features
 335 get_option('mpath') \
 336   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 337
 338 multiprocess_allowed = get_option('multiprocess') \
 339   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 340   .allowed()
 341
 342 vfio_user_server_allowed = get_option('vfio_user_server') \
 343   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 344   .allowed()
 345
 346 have_tpm = get_option('tpm') \
 347   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 348   .allowed()
 349
 350 # vhost
 351 have_vhost_user = get_option('vhost_user') \
 352   .disable_auto_if(targetos != 'linux') \
 353   .require(targetos != 'windows',
 354            error_message: 'vhost-user is not available on Windows').allowed()
 355 have_vhost_vdpa = get_option('vhost_vdpa') \
 356   .require(targetos == 'linux',
 357            error_message: 'vhost-vdpa is only available on Linux').allowed()
 358 have_vhost_kernel = get_option('vhost_kernel') \
 359   .require(targetos == 'linux',
 360            error_message: 'vhost-kernel is only available on Linux').allowed()
 361 have_vhost_user_crypto = get_option('vhost_crypto') \
 362   .require(have_vhost_user,
 363            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 364
 365 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 366
 367 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 368 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 369 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 370 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 371
 372 # Target-specific libraries and flags
 373 libm = cc.find_library('m', required: false)
 374 threads = dependency('threads')
 375 util = cc.find_library('util', required: false)
 376 winmm = []
 377 socket = []
 378 version_res = []
 379 coref = []
 380 iokit = []
 381 emulator_link_args = []
 382 nvmm =not_found
 383 hvf = not_found
 384 midl = not_found
 385 widl = not_found
 386 pathcch = not_found
 387 host_dsosuf = '.so'
 388 if targetos == 'windows'
 389   midl = find_program('midl', required: false)
 390   widl = find_program('widl', required: false)
 391   pathcch = cc.find_library('pathcch')
 392   socket = cc.find_library('ws2_32')
 393   winmm = cc.find_library('winmm')
 394
 395   win = import('windows')
 396   version_res = win.compile_resources('version.rc',
 397                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 398                                       include_directories: include_directories('.'))
 399   host_dsosuf = '.dll'
 400 elif targetos == 'darwin'
 401   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 402   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 403   host_dsosuf = '.dylib'
 404 elif targetos == 'sunos'
 405   socket = [cc.find_library('socket'),
 406             cc.find_library('nsl'),
 407             cc.find_library('resolv')]
 408 elif targetos == 'haiku'
 409   socket = [cc.find_library('posix_error_mapper'),
 410             cc.find_library('network'),
 411             cc.find_library('bsd')]
 412 elif targetos == 'openbsd'
 413   if get_option('tcg').allowed() and target_dirs.length() > 0
 414     # Disable OpenBSD W^X if available
 415     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 416   endif
 417 endif
 418
 419 # Target-specific configuration of accelerators
 420 accelerators = []
 421 if get_option('kvm').allowed() and targetos == 'linux'
 422   accelerators += 'CONFIG_KVM'
 423 endif
 424 if get_option('whpx').allowed() and targetos == 'windows'
 425   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 426     error('WHPX requires 64-bit host')
 427   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 428        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 429     accelerators += 'CONFIG_WHPX'
 430   endif
 431 endif
 432 if get_option('hvf').allowed()
 433   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 434                    required: get_option('hvf'))
 435   if hvf.found()
 436     accelerators += 'CONFIG_HVF'
 437   endif
 438 endif
 439 if get_option('hax').allowed()
 440   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 441     accelerators += 'CONFIG_HAX'
 442   endif
 443 endif
 444 if targetos == 'netbsd'
 445   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 446   if nvmm.found()
 447     accelerators += 'CONFIG_NVMM'
 448   endif
 449 endif
 450
 451 tcg_arch = host_arch
 452 if get_option('tcg').allowed()
 453   if host_arch == 'unknown'
 454     if get_option('tcg_interpreter')
 455       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 456     else
 457       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 458     endif
 459   elif get_option('tcg_interpreter')
 460     warning('Use of the TCG interpreter is not recommended on this host')
 461     warning('architecture. There is a native TCG execution backend available')
 462     warning('which provides substantially better performance and reliability.')
 463     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 464     warning('configuration option on this architecture to use the native')
 465     warning('backend.')
 466   endif
 467   if get_option('tcg_interpreter')
 468     tcg_arch = 'tci'
 469     config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
 470   elif host_arch == 'x86_64'
 471     tcg_arch = 'i386'
 472   elif host_arch == 'ppc64'
 473     tcg_arch = 'ppc'
 474   endif
 475   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 476                         language: all_languages)
 477
 478   accelerators += 'CONFIG_TCG'
 479   config_host += { 'CONFIG_TCG': 'y' }
 480 endif
 481
 482 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 483   error('KVM not available on this platform')
 484 endif
 485 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 486   error('HVF not available on this platform')
 487 endif
 488 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 489   error('NVMM not available on this platform')
 490 endif
 491 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 492   error('WHPX not available on this platform')
 493 endif
 494
 495 ################
 496 # Dependencies #
 497 ################
 498
 499 # The path to glib.h is added to all compilation commands.  This was
 500 # grandfathered in from the QEMU Makefiles.
 501 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 502                       native: false, language: all_languages)
 503 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 504                           link_args: config_host['GLIB_LIBS'].split(),
 505                           version: config_host['GLIB_VERSION'],
 506                           variables: {
 507                             'bindir': config_host['GLIB_BINDIR'],
 508                           })
 509 # override glib dep with the configure results (for subprojects)
 510 meson.override_dependency('glib-2.0', glib)
 511
 512 gio = not_found
 513 gdbus_codegen = not_found
 514 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
 515 if not get_option('gio').auto() or have_system
 516   gio = dependency('gio-2.0', required: get_option('gio'),
 517                    method: 'pkg-config', kwargs: static_kwargs)
 518   if gio.found() and not cc.links('''
 519     #include <gio/gio.h>
 520     int main(void)
 521     {
 522       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 523       return 0;
 524     }''', dependencies: [glib, gio])
 525     if get_option('gio').enabled()
 526       error('The installed libgio is broken for static linking')
 527     endif
 528     gio = not_found
 529   endif
 530   if gio.found()
 531     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 532                                  required: get_option('gio'))
 533     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 534                           method: 'pkg-config', kwargs: static_kwargs)
 535     gio = declare_dependency(dependencies: [gio, gio_unix],
 536                              version: gio.version())
 537   endif
 538 endif
 539 if gdbus_codegen.found() and get_option('cfi')
 540   gdbus_codegen = not_found
 541   gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
 542 endif
 543
 544 lttng = not_found
 545 if 'ust' in get_option('trace_backends')
 546   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 547                      method: 'pkg-config', kwargs: static_kwargs)
 548 endif
 549 pixman = not_found
 550 if have_system or have_tools
 551   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 552                       method: 'pkg-config', kwargs: static_kwargs)
 553 endif
 554 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 555
 556 libaio = not_found
 557 if not get_option('linux_aio').auto() or have_block
 558   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 559                            required: get_option('linux_aio'),
 560                            kwargs: static_kwargs)
 561 endif
 562
 563 linux_io_uring_test = '''
 564   #include <liburing.h>
 565   #include <linux/errqueue.h>
 566
 567   int main(void) { return 0; }'''
 568
 569 linux_io_uring = not_found
 570 if not get_option('linux_io_uring').auto() or have_block
 571   linux_io_uring = dependency('liburing', version: '>=0.3',
 572                               required: get_option('linux_io_uring'),
 573                               method: 'pkg-config', kwargs: static_kwargs)
 574   if not cc.links(linux_io_uring_test)
 575     linux_io_uring = not_found
 576   endif
 577 endif
 578
 579 libnfs = not_found
 580 if not get_option('libnfs').auto() or have_block
 581   libnfs = dependency('libnfs', version: '>=1.9.3',
 582                       required: get_option('libnfs'),
 583                       method: 'pkg-config', kwargs: static_kwargs)
 584 endif
 585
 586 libattr_test = '''
 587   #include <stddef.h>
 588   #include <sys/types.h>
 589   #ifdef CONFIG_LIBATTR
 590   #include <attr/xattr.h>
 591   #else
 592   #include <sys/xattr.h>
 593   #endif
 594   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 595
 596 libattr = not_found
 597 have_old_libattr = false
 598 if get_option('attr').allowed()
 599   if cc.links(libattr_test)
 600     libattr = declare_dependency()
 601   else
 602     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 603                               required: get_option('attr'),
 604                               kwargs: static_kwargs)
 605     if libattr.found() and not \
 606       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 607       libattr = not_found
 608       if get_option('attr').enabled()
 609         error('could not link libattr')
 610       else
 611         warning('could not link libattr, disabling')
 612       endif
 613     else
 614       have_old_libattr = libattr.found()
 615     endif
 616   endif
 617 endif
 618
 619 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
 620                    required: get_option('cocoa'))
 621
 622 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 623 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 624                                               'VMNET_BRIDGED_MODE',
 625                                               dependencies: vmnet)
 626   vmnet = not_found
 627   if get_option('vmnet').enabled()
 628     error('vmnet.framework API is outdated')
 629   else
 630     warning('vmnet.framework API is outdated, disabling')
 631   endif
 632 endif
 633
 634 seccomp = not_found
 635 seccomp_has_sysrawrc = false
 636 if not get_option('seccomp').auto() or have_system or have_tools
 637   seccomp = dependency('libseccomp', version: '>=2.3.0',
 638                        required: get_option('seccomp'),
 639                        method: 'pkg-config', kwargs: static_kwargs)
 640   if seccomp.found()
 641     seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
 642                                                 'SCMP_FLTATR_API_SYSRAWRC',
 643                                                 dependencies: seccomp)
 644   endif
 645 endif
 646
 647 libcap_ng = not_found
 648 if not get_option('cap_ng').auto() or have_system or have_tools
 649   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 650                               required: get_option('cap_ng'),
 651                               kwargs: static_kwargs)
 652 endif
 653 if libcap_ng.found() and not cc.links('''
 654    #include <cap-ng.h>
 655    int main(void)
 656    {
 657      capng_capability_to_name(CAPNG_EFFECTIVE);
 658      return 0;
 659    }''', dependencies: libcap_ng)
 660   libcap_ng = not_found
 661   if get_option('cap_ng').enabled()
 662     error('could not link libcap-ng')
 663   else
 664     warning('could not link libcap-ng, disabling')
 665   endif
 666 endif
 667
 668 if get_option('xkbcommon').auto() and not have_system and not have_tools
 669   xkbcommon = not_found
 670 else
 671   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 672                          method: 'pkg-config', kwargs: static_kwargs)
 673 endif
 674
 675 slirp = not_found
 676 if not get_option('slirp').auto() or have_system
 677   slirp = dependency('slirp', required: get_option('slirp'),
 678                      method: 'pkg-config', kwargs: static_kwargs)
 679   # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
 680   # it passes function pointers within libslirp as callbacks for timers.
 681   # When using a system-wide shared libslirp, the type information for the
 682   # callback is missing and the timer call produces a false positive with CFI.
 683   # Do not use the "version" keyword argument to produce a better error.
 684   # with control-flow integrity.
 685   if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
 686     if get_option('slirp').enabled()
 687       error('Control-Flow Integrity requires libslirp 4.7.')
 688     else
 689       warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
 690       slirp = not_found
 691     endif
 692   endif
 693 endif
 694
 695 vde = not_found
 696 if not get_option('vde').auto() or have_system or have_tools
 697   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 698                            required: get_option('vde'),
 699                            kwargs: static_kwargs)
 700 endif
 701 if vde.found() and not cc.links('''
 702    #include <libvdeplug.h>
 703    int main(void)
 704    {
 705      struct vde_open_args a = {0, 0, 0};
 706      char s[] = "";
 707      vde_open(s, s, &a);
 708      return 0;
 709    }''', dependencies: vde)
 710   vde = not_found
 711   if get_option('cap_ng').enabled()
 712     error('could not link libvdeplug')
 713   else
 714     warning('could not link libvdeplug, disabling')
 715   endif
 716 endif
 717
 718 pulse = not_found
 719 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 720   pulse = dependency('libpulse', required: get_option('pa'),
 721                      method: 'pkg-config', kwargs: static_kwargs)
 722 endif
 723 alsa = not_found
 724 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 725   alsa = dependency('alsa', required: get_option('alsa'),
 726                     method: 'pkg-config', kwargs: static_kwargs)
 727 endif
 728 jack = not_found
 729 if not get_option('jack').auto() or have_system
 730   jack = dependency('jack', required: get_option('jack'),
 731                     method: 'pkg-config', kwargs: static_kwargs)
 732 endif
 733 sndio = not_found
 734 if not get_option('sndio').auto() or have_system
 735   sndio = dependency('sndio', required: get_option('sndio'),
 736                     method: 'pkg-config', kwargs: static_kwargs)
 737 endif
 738
 739 spice_protocol = not_found
 740 if not get_option('spice_protocol').auto() or have_system
 741   spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
 742                               required: get_option('spice_protocol'),
 743                               method: 'pkg-config', kwargs: static_kwargs)
 744 endif
 745 spice = not_found
 746 if not get_option('spice').auto() or have_system
 747   spice = dependency('spice-server', version: '>=0.14.0',
 748                      required: get_option('spice'),
 749                      method: 'pkg-config', kwargs: static_kwargs)
 750 endif
 751 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 752
 753 rt = cc.find_library('rt', required: false)
 754
 755 libiscsi = not_found
 756 if not get_option('libiscsi').auto() or have_block
 757   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 758                          required: get_option('libiscsi'),
 759                          method: 'pkg-config', kwargs: static_kwargs)
 760 endif
 761 zstd = not_found
 762 if not get_option('zstd').auto() or have_block
 763   zstd = dependency('libzstd', version: '>=1.4.0',
 764                     required: get_option('zstd'),
 765                     method: 'pkg-config', kwargs: static_kwargs)
 766 endif
 767 virgl = not_found
 768
 769 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 770 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 771   virgl = dependency('virglrenderer',
 772                      method: 'pkg-config',
 773                      required: get_option('virglrenderer'),
 774                      kwargs: static_kwargs)
 775 endif
 776 blkio = not_found
 777 if not get_option('blkio').auto() or have_block
 778   blkio = dependency('blkio',
 779                      method: 'pkg-config',
 780                      required: get_option('blkio'),
 781                      kwargs: static_kwargs)
 782 endif
 783 curl = not_found
 784 if not get_option('curl').auto() or have_block
 785   curl = dependency('libcurl', version: '>=7.29.0',
 786                     method: 'pkg-config',
 787                     required: get_option('curl'),
 788                     kwargs: static_kwargs)
 789 endif
 790 libudev = not_found
 791 if targetos == 'linux' and (have_system or have_tools)
 792   libudev = dependency('libudev',
 793                        method: 'pkg-config',
 794                        required: get_option('libudev'),
 795                        kwargs: static_kwargs)
 796 endif
 797
 798 mpathlibs = [libudev]
 799 mpathpersist = not_found
 800 mpathpersist_new_api = false
 801 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 802   mpath_test_source_new = '''
 803     #include <libudev.h>
 804     #include <mpath_persist.h>
 805     unsigned mpath_mx_alloc_len = 1024;
 806     int logsink;
 807     static struct config *multipath_conf;
 808     extern struct udev *udev;
 809     extern struct config *get_multipath_config(void);
 810     extern void put_multipath_config(struct config *conf);
 811     struct udev *udev;
 812     struct config *get_multipath_config(void) { return multipath_conf; }
 813     void put_multipath_config(struct config *conf) { }
 814     int main(void) {
 815         udev = udev_new();
 816         multipath_conf = mpath_lib_init();
 817         return 0;
 818     }'''
 819   mpath_test_source_old = '''
 820       #include <libudev.h>
 821       #include <mpath_persist.h>
 822       unsigned mpath_mx_alloc_len = 1024;
 823       int logsink;
 824       int main(void) {
 825           struct udev *udev = udev_new();
 826           mpath_lib_init(udev);
 827           return 0;
 828       }'''
 829   libmpathpersist = cc.find_library('mpathpersist',
 830                                     required: get_option('mpath'),
 831                                     kwargs: static_kwargs)
 832   if libmpathpersist.found()
 833     mpathlibs += libmpathpersist
 834     if enable_static
 835       mpathlibs += cc.find_library('devmapper',
 836                                      required: get_option('mpath'),
 837                                      kwargs: static_kwargs)
 838     endif
 839     mpathlibs += cc.find_library('multipath',
 840                                  required: get_option('mpath'),
 841                                  kwargs: static_kwargs)
 842     foreach lib: mpathlibs
 843       if not lib.found()
 844         mpathlibs = []
 845         break
 846       endif
 847     endforeach
 848     if mpathlibs.length() == 0
 849       msg = 'Dependencies missing for libmpathpersist'
 850     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 851       mpathpersist = declare_dependency(dependencies: mpathlibs)
 852       mpathpersist_new_api = true
 853     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 854       mpathpersist = declare_dependency(dependencies: mpathlibs)
 855     else
 856       msg = 'Cannot detect libmpathpersist API'
 857     endif
 858     if not mpathpersist.found()
 859       if get_option('mpath').enabled()
 860         error(msg)
 861       else
 862         warning(msg + ', disabling')
 863       endif
 864     endif
 865   endif
 866 endif
 867
 868 iconv = not_found
 869 curses = not_found
 870 if have_system and get_option('curses').allowed()
 871   curses_test = '''
 872     #if defined(__APPLE__) || defined(__OpenBSD__)
 873     #define _XOPEN_SOURCE_EXTENDED 1
 874     #endif
 875     #include <locale.h>
 876     #include <curses.h>
 877     #include <wchar.h>
 878     int main(void) {
 879       wchar_t wch = L'w';
 880       setlocale(LC_ALL, "");
 881       resize_term(0, 0);
 882       addwstr(L"wide chars\n");
 883       addnwstr(&wch, 1);
 884       add_wch(WACS_DEGREE);
 885       return 0;
 886     }'''
 887
 888   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 889   curses = dependency(curses_dep_list,
 890                       required: false,
 891                       method: 'pkg-config',
 892                       kwargs: static_kwargs)
 893   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 894   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 895   if curses.found()
 896     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 897       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 898     else
 899       msg = 'curses package not usable'
 900       curses = not_found
 901     endif
 902   endif
 903   if not curses.found()
 904     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 905     if targetos != 'windows' and not has_curses_h
 906       message('Trying with /usr/include/ncursesw')
 907       curses_compile_args += ['-I/usr/include/ncursesw']
 908       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 909     endif
 910     if has_curses_h
 911       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 912       foreach curses_libname : curses_libname_list
 913         libcurses = cc.find_library(curses_libname,
 914                                     required: false,
 915                                     kwargs: static_kwargs)
 916         if libcurses.found()
 917           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 918             curses = declare_dependency(compile_args: curses_compile_args,
 919                                         dependencies: [libcurses])
 920             break
 921           else
 922             msg = 'curses library not usable'
 923           endif
 924         endif
 925       endforeach
 926     endif
 927   endif
 928   if get_option('iconv').allowed()
 929     foreach link_args : [ ['-liconv'], [] ]
 930       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 931       # We need to use libiconv if available because mixing libiconv's headers with
 932       # the system libc does not work.
 933       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 934       # included in the command line and libiconv will not be found.
 935       if cc.links('''
 936         #include <iconv.h>
 937         int main(void) {
 938           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 939           return conv != (iconv_t) -1;
 940         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 941         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 942         break
 943       endif
 944     endforeach
 945   endif
 946   if curses.found() and not iconv.found()
 947     if get_option('iconv').enabled()
 948       error('iconv not available')
 949     endif
 950     msg = 'iconv required for curses UI but not available'
 951     curses = not_found
 952   endif
 953   if not curses.found() and msg != ''
 954     if get_option('curses').enabled()
 955       error(msg)
 956     else
 957       warning(msg + ', disabling')
 958     endif
 959   endif
 960 endif
 961
 962 brlapi = not_found
 963 if not get_option('brlapi').auto() or have_system
 964   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 965                          required: get_option('brlapi'),
 966                          kwargs: static_kwargs)
 967   if brlapi.found() and not cc.links('''
 968      #include <brlapi.h>
 969      #include <stddef.h>
 970      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 971     brlapi = not_found
 972     if get_option('brlapi').enabled()
 973       error('could not link brlapi')
 974     else
 975       warning('could not link brlapi, disabling')
 976     endif
 977   endif
 978 endif
 979
 980 sdl = not_found
 981 if not get_option('sdl').auto() or have_system
 982   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 983   sdl_image = not_found
 984 endif
 985 if sdl.found()
 986   # work around 2.0.8 bug
 987   sdl = declare_dependency(compile_args: '-Wno-undef',
 988                            dependencies: sdl)
 989   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 990                          method: 'pkg-config', kwargs: static_kwargs)
 991 else
 992   if get_option('sdl_image').enabled()
 993     error('sdl-image required, but SDL was @0@'.format(
 994           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 995   endif
 996   sdl_image = not_found
 997 endif
 998
 999 rbd = not_found
1000 if not get_option('rbd').auto() or have_block
1001   librados = cc.find_library('rados', required: get_option('rbd'),
1002                              kwargs: static_kwargs)
1003   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1004                            required: get_option('rbd'),
1005                            kwargs: static_kwargs)
1006   if librados.found() and librbd.found()
1007     if cc.links('''
1008       #include <stdio.h>
1009       #include <rbd/librbd.h>
1010       int main(void) {
1011         rados_t cluster;
1012         rados_create(&cluster, NULL);
1013         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1014         #error
1015         #endif
1016         return 0;
1017       }''', dependencies: [librbd, librados])
1018       rbd = declare_dependency(dependencies: [librbd, librados])
1019     elif get_option('rbd').enabled()
1020       error('librbd >= 1.12.0 required')
1021     else
1022       warning('librbd >= 1.12.0 not found, disabling')
1023     endif
1024   endif
1025 endif
1026
1027 glusterfs = not_found
1028 glusterfs_ftruncate_has_stat = false
1029 glusterfs_iocb_has_stat = false
1030 if not get_option('glusterfs').auto() or have_block
1031   glusterfs = dependency('glusterfs-api', version: '>=3',
1032                          required: get_option('glusterfs'),
1033                          method: 'pkg-config', kwargs: static_kwargs)
1034   if glusterfs.found()
1035     glusterfs_ftruncate_has_stat = cc.links('''
1036       #include <glusterfs/api/glfs.h>
1037
1038       int
1039       main(void)
1040       {
1041           /* new glfs_ftruncate() passes two additional args */
1042           return glfs_ftruncate(NULL, 0, NULL, NULL);
1043       }
1044     ''', dependencies: glusterfs)
1045     glusterfs_iocb_has_stat = cc.links('''
1046       #include <glusterfs/api/glfs.h>
1047
1048       /* new glfs_io_cbk() passes two additional glfs_stat structs */
1049       static void
1050       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1051       {}
1052
1053       int
1054       main(void)
1055       {
1056           glfs_io_cbk iocb = &glusterfs_iocb;
1057           iocb(NULL, 0 , NULL, NULL, NULL);
1058           return 0;
1059       }
1060     ''', dependencies: glusterfs)
1061   endif
1062 endif
1063
1064 libssh = not_found
1065 if not get_option('libssh').auto() or have_block
1066   libssh = dependency('libssh', version: '>=0.8.7',
1067                     method: 'pkg-config',
1068                     required: get_option('libssh'),
1069                     kwargs: static_kwargs)
1070 endif
1071
1072 libbzip2 = not_found
1073 if not get_option('bzip2').auto() or have_block
1074   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1075                              required: get_option('bzip2'),
1076                              kwargs: static_kwargs)
1077   if libbzip2.found() and not cc.links('''
1078      #include <bzlib.h>
1079      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1080     libbzip2 = not_found
1081     if get_option('bzip2').enabled()
1082       error('could not link libbzip2')
1083     else
1084       warning('could not link libbzip2, disabling')
1085     endif
1086   endif
1087 endif
1088
1089 liblzfse = not_found
1090 if not get_option('lzfse').auto() or have_block
1091   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1092                              required: get_option('lzfse'),
1093                              kwargs: static_kwargs)
1094 endif
1095 if liblzfse.found() and not cc.links('''
1096    #include <lzfse.h>
1097    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1098   liblzfse = not_found
1099   if get_option('lzfse').enabled()
1100     error('could not link liblzfse')
1101   else
1102     warning('could not link liblzfse, disabling')
1103   endif
1104 endif
1105
1106 oss = not_found
1107 if get_option('oss').allowed() and have_system
1108   if not cc.has_header('sys/soundcard.h')
1109     # not found
1110   elif targetos == 'netbsd'
1111     oss = cc.find_library('ossaudio', required: get_option('oss'),
1112                           kwargs: static_kwargs)
1113   else
1114     oss = declare_dependency()
1115   endif
1116
1117   if not oss.found()
1118     if get_option('oss').enabled()
1119       error('OSS not found')
1120     endif
1121   endif
1122 endif
1123 dsound = not_found
1124 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1125   if cc.has_header('dsound.h')
1126     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1127   endif
1128
1129   if not dsound.found()
1130     if get_option('dsound').enabled()
1131       error('DirectSound not found')
1132     endif
1133   endif
1134 endif
1135
1136 coreaudio = not_found
1137 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1138   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1139                          required: get_option('coreaudio'))
1140 endif
1141
1142 opengl = not_found
1143 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1144   epoxy = dependency('epoxy', method: 'pkg-config',
1145                       required: get_option('opengl'), kwargs: static_kwargs)
1146   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1147     opengl = epoxy
1148   elif get_option('opengl').enabled()
1149     error('epoxy/egl.h not found')
1150   endif
1151 endif
1152 gbm = not_found
1153 if (have_system or have_tools) and (virgl.found() or opengl.found())
1154   gbm = dependency('gbm', method: 'pkg-config', required: false,
1155                    kwargs: static_kwargs)
1156 endif
1157 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1158
1159 gnutls = not_found
1160 gnutls_crypto = not_found
1161 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1162   # For general TLS support our min gnutls matches
1163   # that implied by our platform support matrix
1164   #
1165   # For the crypto backends, we look for a newer
1166   # gnutls:
1167   #
1168   #   Version 3.6.8  is needed to get XTS
1169   #   Version 3.6.13 is needed to get PBKDF
1170   #   Version 3.6.14 is needed to get HW accelerated XTS
1171   #
1172   # If newer enough gnutls isn't available, we can
1173   # still use a different crypto backend to satisfy
1174   # the platform support requirements
1175   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1176                              method: 'pkg-config',
1177                              required: false,
1178                              kwargs: static_kwargs)
1179   if gnutls_crypto.found()
1180     gnutls = gnutls_crypto
1181   else
1182     # Our min version if all we need is TLS
1183     gnutls = dependency('gnutls', version: '>=3.5.18',
1184                         method: 'pkg-config',
1185                         required: get_option('gnutls'),
1186                         kwargs: static_kwargs)
1187   endif
1188 endif
1189
1190 # We prefer use of gnutls for crypto, unless the options
1191 # explicitly asked for nettle or gcrypt.
1192 #
1193 # If gnutls isn't available for crypto, then we'll prefer
1194 # gcrypt over nettle for performance reasons.
1195 gcrypt = not_found
1196 nettle = not_found
1197 hogweed = not_found
1198 xts = 'none'
1199
1200 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1201   error('Only one of gcrypt & nettle can be enabled')
1202 endif
1203
1204 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1205 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1206   gnutls_crypto = not_found
1207 endif
1208
1209 if not gnutls_crypto.found()
1210   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1211     gcrypt = dependency('libgcrypt', version: '>=1.8',
1212                         method: 'config-tool',
1213                         required: get_option('gcrypt'),
1214                         kwargs: static_kwargs)
1215     # Debian has removed -lgpg-error from libgcrypt-config
1216     # as it "spreads unnecessary dependencies" which in
1217     # turn breaks static builds...
1218     if gcrypt.found() and enable_static
1219       gcrypt = declare_dependency(dependencies: [
1220         gcrypt,
1221         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1222     endif
1223   endif
1224   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1225     nettle = dependency('nettle', version: '>=3.4',
1226                         method: 'pkg-config',
1227                         required: get_option('nettle'),
1228                         kwargs: static_kwargs)
1229     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1230       xts = 'private'
1231     endif
1232   endif
1233 endif
1234
1235 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1236 if nettle.found() and gmp.found()
1237   hogweed = dependency('hogweed', version: '>=3.4',
1238                        method: 'pkg-config',
1239                        required: get_option('nettle'),
1240                        kwargs: static_kwargs)
1241 endif
1242
1243
1244 gtk = not_found
1245 gtkx11 = not_found
1246 vte = not_found
1247 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1248
1249 if not get_option('gtk').auto() or have_system
1250   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1251                    method: 'pkg-config',
1252                    required: get_option('gtk'),
1253                    kwargs: static_kwargs)
1254   if gtk.found()
1255     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1256                         method: 'pkg-config',
1257                         required: false,
1258                         kwargs: static_kwargs)
1259     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1260
1261     if not get_option('vte').auto() or have_system
1262       vte = dependency('vte-2.91',
1263                        method: 'pkg-config',
1264                        required: get_option('vte'),
1265                        kwargs: static_kwargs)
1266     endif
1267   elif have_gtk_clipboard
1268     error('GTK clipboard requested, but GTK not found')
1269   endif
1270 endif
1271
1272 x11 = not_found
1273 if gtkx11.found()
1274   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1275                    kwargs: static_kwargs)
1276 endif
1277 png = not_found
1278 if get_option('png').allowed() and have_system
1279    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1280                     method: 'pkg-config', kwargs: static_kwargs)
1281 endif
1282 vnc = not_found
1283 jpeg = not_found
1284 sasl = not_found
1285 if get_option('vnc').allowed() and have_system
1286   vnc = declare_dependency() # dummy dependency
1287   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1288                     method: 'pkg-config', kwargs: static_kwargs)
1289   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1290                          required: get_option('vnc_sasl'),
1291                          kwargs: static_kwargs)
1292   if sasl.found()
1293     sasl = declare_dependency(dependencies: sasl,
1294                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1295   endif
1296 endif
1297
1298 pam = not_found
1299 if not get_option('auth_pam').auto() or have_system
1300   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1301                         required: get_option('auth_pam'),
1302                         kwargs: static_kwargs)
1303 endif
1304 if pam.found() and not cc.links('''
1305    #include <stddef.h>
1306    #include <security/pam_appl.h>
1307    int main(void) {
1308      const char *service_name = "qemu";
1309      const char *user = "frank";
1310      const struct pam_conv pam_conv = { 0 };
1311      pam_handle_t *pamh = NULL;
1312      pam_start(service_name, user, &pam_conv, &pamh);
1313      return 0;
1314    }''', dependencies: pam)
1315   pam = not_found
1316   if get_option('auth_pam').enabled()
1317     error('could not link libpam')
1318   else
1319     warning('could not link libpam, disabling')
1320   endif
1321 endif
1322
1323 snappy = not_found
1324 if not get_option('snappy').auto() or have_system
1325   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1326                            required: get_option('snappy'),
1327                            kwargs: static_kwargs)
1328 endif
1329 if snappy.found() and not linker.links('''
1330    #include <snappy-c.h>
1331    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1332   snappy = not_found
1333   if get_option('snappy').enabled()
1334     error('could not link libsnappy')
1335   else
1336     warning('could not link libsnappy, disabling')
1337   endif
1338 endif
1339
1340 lzo = not_found
1341 if not get_option('lzo').auto() or have_system
1342   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1343                         required: get_option('lzo'),
1344                         kwargs: static_kwargs)
1345 endif
1346 if lzo.found() and not cc.links('''
1347    #include <lzo/lzo1x.h>
1348    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1349   lzo = not_found
1350   if get_option('lzo').enabled()
1351     error('could not link liblzo2')
1352   else
1353     warning('could not link liblzo2, disabling')
1354   endif
1355 endif
1356
1357 numa = not_found
1358 if not get_option('numa').auto() or have_system or have_tools
1359   numa = cc.find_library('numa', has_headers: ['numa.h'],
1360                               required: get_option('numa'),
1361                               kwargs: static_kwargs)
1362 endif
1363 if numa.found() and not cc.links('''
1364    #include <numa.h>
1365    int main(void) { return numa_available(); }
1366    ''', dependencies: numa)
1367   numa = not_found
1368   if get_option('numa').enabled()
1369     error('could not link numa')
1370   else
1371     warning('could not link numa, disabling')
1372   endif
1373 endif
1374
1375 rdma = not_found
1376 if not get_option('rdma').auto() or have_system
1377   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1378   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1379                                required: get_option('rdma'),
1380                                kwargs: static_kwargs),
1381                cc.find_library('ibverbs', required: get_option('rdma'),
1382                                kwargs: static_kwargs),
1383                libumad]
1384   rdma = declare_dependency(dependencies: rdma_libs)
1385   foreach lib: rdma_libs
1386     if not lib.found()
1387       rdma = not_found
1388     endif
1389   endforeach
1390 endif
1391
1392 xen = not_found
1393 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1394   xencontrol = dependency('xencontrol', required: false,
1395                           method: 'pkg-config', kwargs: static_kwargs)
1396   if xencontrol.found()
1397     xen_pc = declare_dependency(version: xencontrol.version(),
1398       dependencies: [
1399         xencontrol,
1400         # disabler: true makes xen_pc.found() return false if any is not found
1401         dependency('xenstore', required: false,
1402                    method: 'pkg-config', kwargs: static_kwargs,
1403                    disabler: true),
1404         dependency('xenforeignmemory', required: false,
1405                    method: 'pkg-config', kwargs: static_kwargs,
1406                    disabler: true),
1407         dependency('xengnttab', required: false,
1408                    method: 'pkg-config', kwargs: static_kwargs,
1409                    disabler: true),
1410         dependency('xenevtchn', required: false,
1411                    method: 'pkg-config', kwargs: static_kwargs,
1412                    disabler: true),
1413         dependency('xendevicemodel', required: false,
1414                    method: 'pkg-config', kwargs: static_kwargs,
1415                    disabler: true),
1416         # optional, no "disabler: true"
1417         dependency('xentoolcore', required: false,
1418                    method: 'pkg-config', kwargs: static_kwargs)])
1419     if xen_pc.found()
1420       xen = xen_pc
1421     endif
1422   endif
1423   if not xen.found()
1424     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' ]
1425     xen_libs = {
1426       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1427       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1428       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1429       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1430       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1431       '4.6.0': [ 'xenstore', 'xenctrl' ],
1432       '4.5.0': [ 'xenstore', 'xenctrl' ],
1433       '4.2.0': [ 'xenstore', 'xenctrl' ],
1434     }
1435     xen_deps = {}
1436     foreach ver: xen_tests
1437       # cache the various library tests to avoid polluting the logs
1438       xen_test_deps = []
1439       foreach l: xen_libs[ver]
1440         if l not in xen_deps
1441           xen_deps += { l: cc.find_library(l, required: false) }
1442         endif
1443         xen_test_deps += xen_deps[l]
1444       endforeach
1445
1446       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1447       xen_version = ver.split('.')
1448       xen_ctrl_version = xen_version[0] + \
1449         ('0' + xen_version[1]).substring(-2) + \
1450         ('0' + xen_version[2]).substring(-2)
1451       if cc.links(files('scripts/xen-detect.c'),
1452                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1453                   dependencies: xen_test_deps)
1454         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1455         break
1456       endif
1457     endforeach
1458   endif
1459   if xen.found()
1460     accelerators += 'CONFIG_XEN'
1461   elif get_option('xen').enabled()
1462     error('could not compile and link Xen test program')
1463   endif
1464 endif
1465 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1466   .require(xen.found(),
1467            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1468   .require(targetos == 'linux',
1469            error_message: 'Xen PCI passthrough not available on this platform') \
1470   .allowed()
1471
1472
1473 cacard = not_found
1474 if not get_option('smartcard').auto() or have_system
1475   cacard = dependency('libcacard', required: get_option('smartcard'),
1476                       version: '>=2.5.1', method: 'pkg-config',
1477                       kwargs: static_kwargs)
1478 endif
1479 u2f = not_found
1480 if have_system
1481   u2f = dependency('u2f-emu', required: get_option('u2f'),
1482                    method: 'pkg-config',
1483                    kwargs: static_kwargs)
1484 endif
1485 canokey = not_found
1486 if have_system
1487   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1488                    method: 'pkg-config',
1489                    kwargs: static_kwargs)
1490 endif
1491 usbredir = not_found
1492 if not get_option('usb_redir').auto() or have_system
1493   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1494                         version: '>=0.6', method: 'pkg-config',
1495                         kwargs: static_kwargs)
1496 endif
1497 libusb = not_found
1498 if not get_option('libusb').auto() or have_system
1499   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1500                       version: '>=1.0.13', method: 'pkg-config',
1501                       kwargs: static_kwargs)
1502 endif
1503
1504 libpmem = not_found
1505 if not get_option('libpmem').auto() or have_system
1506   libpmem = dependency('libpmem', required: get_option('libpmem'),
1507                        method: 'pkg-config', kwargs: static_kwargs)
1508 endif
1509 libdaxctl = not_found
1510 if not get_option('libdaxctl').auto() or have_system
1511   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1512                          version: '>=57', method: 'pkg-config',
1513                          kwargs: static_kwargs)
1514 endif
1515 tasn1 = not_found
1516 if gnutls.found()
1517   tasn1 = dependency('libtasn1',
1518                      method: 'pkg-config',
1519                      kwargs: static_kwargs)
1520 endif
1521 keyutils = dependency('libkeyutils', required: false,
1522                       method: 'pkg-config', kwargs: static_kwargs)
1523
1524 has_gettid = cc.has_function('gettid')
1525
1526 # libselinux
1527 selinux = dependency('libselinux',
1528                      required: get_option('selinux'),
1529                      method: 'pkg-config', kwargs: static_kwargs)
1530
1531 # Malloc tests
1532
1533 malloc = []
1534 if get_option('malloc') == 'system'
1535   has_malloc_trim = \
1536     get_option('malloc_trim').allowed() and \
1537     cc.links('''#include <malloc.h>
1538                 int main(void) { malloc_trim(0); return 0; }''')
1539 else
1540   has_malloc_trim = false
1541   malloc = cc.find_library(get_option('malloc'), required: true)
1542 endif
1543 if not has_malloc_trim and get_option('malloc_trim').enabled()
1544   if get_option('malloc') == 'system'
1545     error('malloc_trim not available on this platform.')
1546   else
1547     error('malloc_trim not available with non-libc memory allocator')
1548   endif
1549 endif
1550
1551 # Check whether the glibc provides statx()
1552
1553 gnu_source_prefix = '''
1554   #ifndef _GNU_SOURCE
1555   #define _GNU_SOURCE
1556   #endif
1557 '''
1558 statx_test = gnu_source_prefix + '''
1559   #include <sys/stat.h>
1560   int main(void) {
1561     struct statx statxbuf;
1562     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1563     return 0;
1564   }'''
1565
1566 has_statx = cc.links(statx_test)
1567
1568 # Check whether statx() provides mount ID information
1569
1570 statx_mnt_id_test = gnu_source_prefix + '''
1571   #include <sys/stat.h>
1572   int main(void) {
1573     struct statx statxbuf;
1574     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1575     return statxbuf.stx_mnt_id;
1576   }'''
1577
1578 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1579
1580 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1581   .require(targetos == 'linux',
1582            error_message: 'vhost_user_blk_server requires linux') \
1583   .require(have_vhost_user,
1584            error_message: 'vhost_user_blk_server requires vhost-user support') \
1585   .disable_auto_if(not have_tools and not have_system) \
1586   .allowed()
1587
1588 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1589   error('Cannot enable fuse-lseek while fuse is disabled')
1590 endif
1591
1592 fuse = dependency('fuse3', required: get_option('fuse'),
1593                   version: '>=3.1', method: 'pkg-config',
1594                   kwargs: static_kwargs)
1595
1596 fuse_lseek = not_found
1597 if get_option('fuse_lseek').allowed()
1598   if fuse.version().version_compare('>=3.8')
1599     # Dummy dependency
1600     fuse_lseek = declare_dependency()
1601   elif get_option('fuse_lseek').enabled()
1602     if fuse.found()
1603       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1604     else
1605       error('fuse-lseek requires libfuse, which was not found')
1606     endif
1607   endif
1608 endif
1609
1610 have_libvduse = (targetos == 'linux')
1611 if get_option('libvduse').enabled()
1612     if targetos != 'linux'
1613         error('libvduse requires linux')
1614     endif
1615 elif get_option('libvduse').disabled()
1616     have_libvduse = false
1617 endif
1618
1619 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1620 if get_option('vduse_blk_export').enabled()
1621     if targetos != 'linux'
1622         error('vduse_blk_export requires linux')
1623     elif not have_libvduse
1624         error('vduse_blk_export requires libvduse support')
1625     endif
1626 elif get_option('vduse_blk_export').disabled()
1627     have_vduse_blk_export = false
1628 endif
1629
1630 # libbpf
1631 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1632 if libbpf.found() and not cc.links('''
1633    #include <bpf/libbpf.h>
1634    int main(void)
1635    {
1636      bpf_object__destroy_skeleton(NULL);
1637      return 0;
1638    }''', dependencies: libbpf)
1639   libbpf = not_found
1640   if get_option('bpf').enabled()
1641     error('libbpf skeleton test failed')
1642   else
1643     warning('libbpf skeleton test failed, disabling')
1644   endif
1645 endif
1646
1647 # libdw
1648 libdw = not_found
1649 if not get_option('libdw').auto() or \
1650         (not enable_static and (have_system or have_user))
1651     libdw = dependency('libdw',
1652                        method: 'pkg-config',
1653                        kwargs: static_kwargs,
1654                        required: get_option('libdw'))
1655 endif
1656
1657 #################
1658 # config-host.h #
1659 #################
1660
1661 audio_drivers_selected = []
1662 if have_system
1663   audio_drivers_available = {
1664     'alsa': alsa.found(),
1665     'coreaudio': coreaudio.found(),
1666     'dsound': dsound.found(),
1667     'jack': jack.found(),
1668     'oss': oss.found(),
1669     'pa': pulse.found(),
1670     'sdl': sdl.found(),
1671     'sndio': sndio.found(),
1672   }
1673   foreach k, v: audio_drivers_available
1674     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675   endforeach
1676
1677   # Default to native drivers first, OSS second, SDL third
1678   audio_drivers_priority = \
1679     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680     (targetos == 'linux' ? [] : [ 'sdl' ])
1681   audio_drivers_default = []
1682   foreach k: audio_drivers_priority
1683     if audio_drivers_available[k]
1684       audio_drivers_default += k
1685     endif
1686   endforeach
1687
1688   foreach k: get_option('audio_drv_list')
1689     if k == 'default'
1690       audio_drivers_selected += audio_drivers_default
1691     elif not audio_drivers_available[k]
1692       error('Audio driver "@0@" not available.'.format(k))
1693     else
1694       audio_drivers_selected += k
1695     endif
1696   endforeach
1697 endif
1698 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701 if get_option('cfi')
1702   cfi_flags=[]
1703   # Check for dependency on LTO
1704   if not get_option('b_lto')
1705     error('Selected Control-Flow Integrity but LTO is disabled')
1706   endif
1707   if config_host.has_key('CONFIG_MODULES')
1708     error('Selected Control-Flow Integrity is not compatible with modules')
1709   endif
1710   # Check for cfi flags. CFI requires LTO so we can't use
1711   # get_supported_arguments, but need a more complex "compiles" which allows
1712   # custom arguments
1713   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                  args: ['-flto', '-fsanitize=cfi-icall'] )
1715     cfi_flags += '-fsanitize=cfi-icall'
1716   else
1717     error('-fsanitize=cfi-icall is not supported by the compiler')
1718   endif
1719   if cc.compiles('int main () { return 0; }',
1720                  name: '-fsanitize-cfi-icall-generalize-pointers',
1721                  args: ['-flto', '-fsanitize=cfi-icall',
1722                         '-fsanitize-cfi-icall-generalize-pointers'] )
1723     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724   else
1725     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726   endif
1727   if get_option('cfi_debug')
1728     if cc.compiles('int main () { return 0; }',
1729                    name: '-fno-sanitize-trap=cfi-icall',
1730                    args: ['-flto', '-fsanitize=cfi-icall',
1731                           '-fno-sanitize-trap=cfi-icall'] )
1732       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733     else
1734       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735     endif
1736   endif
1737   add_global_arguments(cfi_flags, native: false, language: all_languages)
1738   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739 endif
1740
1741 have_host_block_device = (targetos != 'darwin' or
1742     cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744 dbus_display = get_option('dbus_display') \
1745   .require(gio.version().version_compare('>=2.64'),
1746            error_message: '-display dbus requires glib>=2.64') \
1747   .require(gdbus_codegen.found(),
1748            error_message: gdbus_codegen_error.format('-display dbus')) \
1749   .require(opengl.found() and gbm.found(),
1750            error_message: '-display dbus requires epoxy/egl and gbm') \
1751   .allowed()
1752
1753 have_virtfs = get_option('virtfs') \
1754     .require(targetos == 'linux' or targetos == 'darwin',
1755              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760     .disable_auto_if(not have_tools and not have_system) \
1761     .allowed()
1762
1763 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765 if get_option('block_drv_ro_whitelist') == ''
1766   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767 else
1768   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770 endif
1771 if get_option('block_drv_rw_whitelist') == ''
1772   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773 else
1774   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776 endif
1777
1778 foreach k : get_option('trace_backends')
1779   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780 endforeach
1781 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783 if iasl.found()
1784   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785 endif
1786 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792 qemu_firmwarepath = ''
1793 foreach k : get_option('qemu_firmwarepath')
1794   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795 endforeach
1796 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805 if config_host.has_key('CONFIG_MODULES')
1806   config_host_data.set('CONFIG_STAMP', run_command(
1807       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808       meson.project_version(), get_option('pkgversion'), '--',
1809       meson.current_source_dir() / 'configure',
1810       capture: true, check: true).stdout().strip())
1811 endif
1812
1813 have_slirp_smbd = get_option('slirp_smbd') \
1814   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815   .allowed()
1816 if have_slirp_smbd
1817   smbd_path = get_option('smbd')
1818   if smbd_path == ''
1819     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820   endif
1821   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822 endif
1823
1824 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826 if get_option('module_upgrades') and not enable_modules
1827   error('Cannot enable module-upgrades as modules are not enabled')
1828 endif
1829 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831 config_host_data.set('CONFIG_ATTR', libattr.found())
1832 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834 config_host_data.set('CONFIG_COCOA', cocoa.found())
1835 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838 config_host_data.set('CONFIG_LZO', lzo.found())
1839 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841 config_host_data.set('CONFIG_BLKIO', blkio.found())
1842 config_host_data.set('CONFIG_CURL', curl.found())
1843 config_host_data.set('CONFIG_CURSES', curses.found())
1844 config_host_data.set('CONFIG_GBM', gbm.found())
1845 config_host_data.set('CONFIG_GIO', gio.found())
1846 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847 if glusterfs.found()
1848   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854 endif
1855 config_host_data.set('CONFIG_GTK', gtk.found())
1856 config_host_data.set('CONFIG_VTE', vte.found())
1857 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860 config_host_data.set('CONFIG_EBPF', libbpf.found())
1861 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868 config_host_data.set('CONFIG_NUMA', numa.found())
1869 if numa.found()
1870   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                        cc.has_function('numa_has_preferred_many',
1872                                        dependencies: numa))
1873 endif
1874 config_host_data.set('CONFIG_OPENGL', opengl.found())
1875 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876 config_host_data.set('CONFIG_RBD', rbd.found())
1877 config_host_data.set('CONFIG_RDMA', rdma.found())
1878 config_host_data.set('CONFIG_SDL', sdl.found())
1879 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881 if seccomp.found()
1882   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883 endif
1884 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885 config_host_data.set('CONFIG_TPM', have_tpm)
1886 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887 config_host_data.set('CONFIG_VDE', vde.found())
1888 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895 config_host_data.set('CONFIG_VMNET', vmnet.found())
1896 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898 config_host_data.set('CONFIG_PNG', png.found())
1899 config_host_data.set('CONFIG_VNC', vnc.found())
1900 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903 config_host_data.set('CONFIG_VTE', vte.found())
1904 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906 config_host_data.set('CONFIG_GETTID', has_gettid)
1907 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909 config_host_data.set('CONFIG_TASN1', tasn1.found())
1910 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911 config_host_data.set('CONFIG_NETTLE', nettle.found())
1912 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915 config_host_data.set('CONFIG_STATX', has_statx)
1916 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917 config_host_data.set('CONFIG_ZSTD', zstd.found())
1918 config_host_data.set('CONFIG_FUSE', fuse.found())
1919 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921 if spice_protocol.found()
1922 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925 endif
1926 config_host_data.set('CONFIG_SPICE', spice.found())
1927 config_host_data.set('CONFIG_X11', x11.found())
1928 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930 config_host_data.set('CONFIG_SELINUX', selinux.found())
1931 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932 config_host_data.set('CONFIG_LIBDW', libdw.found())
1933 if xen.found()
1934   # protect from xen.version() having less than three components
1935   xen_version = xen.version().split('.') + ['0', '0']
1936   xen_ctrl_version = xen_version[0] + \
1937     ('0' + xen_version[1]).substring(-2) + \
1938     ('0' + xen_version[2]).substring(-2)
1939   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940 endif
1941 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949 have_coroutine_pool = get_option('coroutine_pool')
1950 if get_option('debug_stack_usage') and have_coroutine_pool
1951   message('Disabling coroutine pool to measure stack usage')
1952   have_coroutine_pool = false
1953 endif
1954 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962 # has_header
1963 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972 if targetos == 'windows'
1973   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974 endif
1975
1976 # has_function
1977 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983 # Note that we need to specify prefix: here to avoid incorrectly
1984 # thinking that Windows has posix_memalign()
1985 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002 if rbd.found()
2003   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                        cc.has_function('rbd_namespace_exists',
2005                                        dependencies: rbd,
2006                                        prefix: '#include <rbd/librbd.h>'))
2007 endif
2008 if rdma.found()
2009   config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                        cc.has_function('ibv_advise_mr',
2011                                        dependencies: rdma,
2012                                        prefix: '#include <infiniband/verbs.h>'))
2013 endif
2014
2015 # has_header_symbol
2016 config_host_data.set('CONFIG_EPOLL_CREATE1',
2017                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2018 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2019                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2020                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2021 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2022                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2023 config_host_data.set('CONFIG_FIEMAP',
2024                      cc.has_header('linux/fiemap.h') and
2025                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2026 config_host_data.set('CONFIG_GETRANDOM',
2027                      cc.has_function('getrandom') and
2028                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2029 config_host_data.set('CONFIG_INOTIFY',
2030                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2031 config_host_data.set('CONFIG_INOTIFY1',
2032                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2033 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2034                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2035 config_host_data.set('CONFIG_RTNETLINK',
2036                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2037 config_host_data.set('CONFIG_SYSMACROS',
2038                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2039 config_host_data.set('HAVE_OPTRESET',
2040                      cc.has_header_symbol('getopt.h', 'optreset'))
2041 config_host_data.set('HAVE_IPPROTO_MPTCP',
2042                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2043
2044 # has_member
2045 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2046                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2047                                    prefix: '#include <signal.h>'))
2048 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2049                      cc.has_member('struct stat', 'st_atim',
2050                                    prefix: '#include <sys/stat.h>'))
2051
2052 # has_type
2053 config_host_data.set('CONFIG_IOVEC',
2054                      cc.has_type('struct iovec',
2055                                  prefix: '#include <sys/uio.h>'))
2056 config_host_data.set('HAVE_UTMPX',
2057                      cc.has_type('struct utmpx',
2058                                  prefix: '#include <utmpx.h>'))
2059
2060 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2061   #include <sys/eventfd.h>
2062   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2063 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2064   #include <unistd.h>
2065   int main(void) {
2066   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2067   return fdatasync(0);
2068   #else
2069   #error Not supported
2070   #endif
2071   }'''))
2072
2073 has_madvise = cc.links(gnu_source_prefix + '''
2074   #include <sys/types.h>
2075   #include <sys/mman.h>
2076   #include <stddef.h>
2077   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2078 missing_madvise_proto = false
2079 if has_madvise
2080   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2081   # but forget to prototype it. In this case, has_madvise will be true (the
2082   # test program links despite a compile warning). To detect the
2083   # missing-prototype case, we try again with a definitely-bogus prototype.
2084   # This will only compile if the system headers don't provide the prototype;
2085   # otherwise the conflicting prototypes will cause a compiler error.
2086   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2087     #include <sys/types.h>
2088     #include <sys/mman.h>
2089     #include <stddef.h>
2090     extern int madvise(int);
2091     int main(void) { return madvise(0); }''')
2092 endif
2093 config_host_data.set('CONFIG_MADVISE', has_madvise)
2094 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2095
2096 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2097   #include <sys/mman.h>
2098   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2099 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2100   #include <fcntl.h>
2101   #if !defined(AT_EMPTY_PATH)
2102   # error missing definition
2103   #else
2104   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2105   #endif'''))
2106 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2107   #include <sys/mman.h>
2108   #include <stddef.h>
2109   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2110
2111 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2112   #include <pthread.h>
2113
2114   static void *f(void *p) { return NULL; }
2115   int main(void)
2116   {
2117     pthread_t thread;
2118     pthread_create(&thread, 0, f, 0);
2119     pthread_setname_np(thread, "QEMU");
2120     return 0;
2121   }''', dependencies: threads))
2122 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2123   #include <pthread.h>
2124
2125   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2126   int main(void)
2127   {
2128     pthread_t thread;
2129     pthread_create(&thread, 0, f, 0);
2130     return 0;
2131   }''', dependencies: threads))
2132 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2133   #include <pthread.h>
2134   #include <pthread_np.h>
2135
2136   static void *f(void *p) { return NULL; }
2137   int main(void)
2138   {
2139     pthread_t thread;
2140     pthread_create(&thread, 0, f, 0);
2141     pthread_set_name_np(thread, "QEMU");
2142     return 0;
2143   }''', dependencies: threads))
2144 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2145   #include <pthread.h>
2146   #include <time.h>
2147
2148   int main(void)
2149   {
2150     pthread_condattr_t attr
2151     pthread_condattr_init(&attr);
2152     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2153     return 0;
2154   }''', dependencies: threads))
2155 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2156   #include <pthread.h>
2157
2158   static void *f(void *p) { return NULL; }
2159   int main(void)
2160   {
2161     int setsize = CPU_ALLOC_SIZE(64);
2162     pthread_t thread;
2163     cpu_set_t *cpuset;
2164     pthread_create(&thread, 0, f, 0);
2165     cpuset = CPU_ALLOC(64);
2166     CPU_ZERO_S(setsize, cpuset);
2167     pthread_setaffinity_np(thread, setsize, cpuset);
2168     pthread_getaffinity_np(thread, setsize, cpuset);
2169     CPU_FREE(cpuset);
2170     return 0;
2171   }''', dependencies: threads))
2172 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2173   #include <sys/signalfd.h>
2174   #include <stddef.h>
2175   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2176 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2177   #include <unistd.h>
2178   #include <fcntl.h>
2179   #include <limits.h>
2180
2181   int main(void)
2182   {
2183     int len, fd = 0;
2184     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2185     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2186     return 0;
2187   }'''))
2188
2189 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2190   #include <sys/mman.h>
2191   int main(void) {
2192     return mlockall(MCL_FUTURE);
2193   }'''))
2194
2195 have_l2tpv3 = false
2196 if get_option('l2tpv3').allowed() and have_system
2197   have_l2tpv3 = cc.has_type('struct mmsghdr',
2198     prefix: gnu_source_prefix + '''
2199       #include <sys/socket.h>
2200       #include <linux/ip.h>''')
2201 endif
2202 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2203
2204 have_netmap = false
2205 if get_option('netmap').allowed() and have_system
2206   have_netmap = cc.compiles('''
2207     #include <inttypes.h>
2208     #include <net/if.h>
2209     #include <net/netmap.h>
2210     #include <net/netmap_user.h>
2211     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2212     #error
2213     #endif
2214     int main(void) { return 0; }''')
2215   if not have_netmap and get_option('netmap').enabled()
2216     error('Netmap headers not available')
2217   endif
2218 endif
2219 config_host_data.set('CONFIG_NETMAP', have_netmap)
2220
2221 # Work around a system header bug with some kernel/XFS header
2222 # versions where they both try to define 'struct fsxattr':
2223 # xfs headers will not try to redefine structs from linux headers
2224 # if this macro is set.
2225 config_host_data.set('HAVE_FSXATTR', cc.links('''
2226   #include <linux/fs.h>
2227   struct fsxattr foo;
2228   int main(void) {
2229     return 0;
2230   }'''))
2231
2232 # Some versions of Mac OS X incorrectly define SIZE_MAX
2233 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2234     #include <stdint.h>
2235     #include <stdio.h>
2236     int main(void) {
2237         return printf("%zu", SIZE_MAX);
2238     }''', args: ['-Werror']))
2239
2240 atomic_test = '''
2241   #include <stdint.h>
2242   int main(void)
2243   {
2244     @0@ x = 0, y = 0;
2245     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2246     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2247     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2248     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2249     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2250     return 0;
2251   }'''
2252
2253 # See if 64-bit atomic operations are supported.
2254 # Note that without __atomic builtins, we can only
2255 # assume atomic loads/stores max at pointer size.
2256 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2257
2258 has_int128 = cc.links('''
2259   __int128_t a;
2260   __uint128_t b;
2261   int main (void) {
2262     a = a + b;
2263     b = a * b;
2264     a = a * a;
2265     return 0;
2266   }''')
2267
2268 config_host_data.set('CONFIG_INT128', has_int128)
2269
2270 if has_int128
2271   # "do we have 128-bit atomics which are handled inline and specifically not
2272   # via libatomic". The reason we can't use libatomic is documented in the
2273   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2274   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2275
2276   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2277
2278   if not has_atomic128
2279     has_cmpxchg128 = cc.links('''
2280       int main(void)
2281       {
2282         unsigned __int128 x = 0, y = 0;
2283         __sync_val_compare_and_swap_16(&x, y, x);
2284         return 0;
2285       }
2286     ''')
2287
2288     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2289   endif
2290 endif
2291
2292 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2293   #include <sys/auxv.h>
2294   int main(void) {
2295     return getauxval(AT_HWCAP) == 0;
2296   }'''))
2297
2298 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2299   #include <linux/usbdevice_fs.h>
2300
2301   #ifndef USBDEVFS_GET_CAPABILITIES
2302   #error "USBDEVFS_GET_CAPABILITIES undefined"
2303   #endif
2304
2305   #ifndef USBDEVFS_DISCONNECT_CLAIM
2306   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2307   #endif
2308
2309   int main(void) { return 0; }'''))
2310
2311 have_keyring = get_option('keyring') \
2312   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2313   .require(cc.compiles('''
2314     #include <errno.h>
2315     #include <asm/unistd.h>
2316     #include <linux/keyctl.h>
2317     #include <sys/syscall.h>
2318     #include <unistd.h>
2319     int main(void) {
2320         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2321     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2322 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2323
2324 have_cpuid_h = cc.links('''
2325   #include <cpuid.h>
2326   int main(void) {
2327     unsigned a, b, c, d;
2328     unsigned max = __get_cpuid_max(0, 0);
2329
2330     if (max >= 1) {
2331         __cpuid(1, a, b, c, d);
2332     }
2333
2334     if (max >= 7) {
2335         __cpuid_count(7, 0, a, b, c, d);
2336     }
2337
2338     return 0;
2339   }''')
2340 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2341
2342 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2343   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2344   .require(cc.links('''
2345     #include <cpuid.h>
2346     #include <immintrin.h>
2347     static int __attribute__((target("avx2"))) bar(void *a) {
2348       __m256i x = *(__m256i *)a;
2349       return _mm256_testz_si256(x, x);
2350     }
2351     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2352   '''), error_message: 'AVX2 not available').allowed())
2353
2354 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2355   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2356   .require(cc.links('''
2357     #include <cpuid.h>
2358     #include <immintrin.h>
2359     static int __attribute__((target("avx512f"))) bar(void *a) {
2360       __m512i x = *(__m512i *)a;
2361       return _mm512_test_epi64_mask(x, x);
2362     }
2363     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2364   '''), error_message: 'AVX512F not available').allowed())
2365
2366 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2367   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2368   .require(cc.links('''
2369     #pragma GCC push_options
2370     #pragma GCC target("avx512bw")
2371     #include <cpuid.h>
2372     #include <immintrin.h>
2373     static int bar(void *a) {
2374
2375       __m512i *x = a;
2376       __m512i res= _mm512_abs_epi8(*x);
2377       return res[1];
2378     }
2379     int main(int argc, char *argv[]) { return bar(argv[0]); }
2380   '''), error_message: 'AVX512BW not available').allowed())
2381
2382 have_pvrdma = get_option('pvrdma') \
2383   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2384   .require(cc.compiles(gnu_source_prefix + '''
2385     #include <sys/mman.h>
2386     int main(void)
2387     {
2388       char buf = 0;
2389       void *addr = &buf;
2390       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2391
2392       return 0;
2393     }'''), error_message: 'PVRDMA requires mremap').allowed()
2394
2395 if have_pvrdma
2396   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2397     #include <infiniband/verbs.h>
2398     int main(void)
2399     {
2400       struct ibv_mr *mr;
2401       struct ibv_pd *pd = NULL;
2402       size_t length = 10;
2403       uint64_t iova = 0;
2404       int access = 0;
2405       void *addr = NULL;
2406
2407       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2408       ibv_dereg_mr(mr);
2409       return 0;
2410     }'''))
2411 endif
2412
2413 if get_option('membarrier').disabled()
2414   have_membarrier = false
2415 elif targetos == 'windows'
2416   have_membarrier = true
2417 elif targetos == 'linux'
2418   have_membarrier = cc.compiles('''
2419     #include <linux/membarrier.h>
2420     #include <sys/syscall.h>
2421     #include <unistd.h>
2422     #include <stdlib.h>
2423     int main(void) {
2424         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2425         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2426         exit(0);
2427     }''')
2428 endif
2429 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2430   .require(have_membarrier, error_message: 'membarrier system call not available') \
2431   .allowed())
2432
2433 have_afalg = get_option('crypto_afalg') \
2434   .require(cc.compiles(gnu_source_prefix + '''
2435     #include <errno.h>
2436     #include <sys/types.h>
2437     #include <sys/socket.h>
2438     #include <linux/if_alg.h>
2439     int main(void) {
2440       int sock;
2441       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2442       return sock;
2443     }
2444   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2445 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2446
2447 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2448   'linux/vm_sockets.h', 'AF_VSOCK',
2449   prefix: '#include <sys/socket.h>',
2450 ))
2451
2452 have_vss = false
2453 have_vss_sdk = false # old xp/2003 SDK
2454 if targetos == 'windows' and link_language == 'cpp'
2455   have_vss = cxx.compiles('''
2456     #define __MIDL_user_allocate_free_DEFINED__
2457     #include <vss.h>
2458     int main(void) { return VSS_CTX_BACKUP; }''')
2459   have_vss_sdk = cxx.has_header('vscoordint.h')
2460 endif
2461 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2462
2463 foreach k, v: config_host
2464   if k.startswith('CONFIG_')
2465     config_host_data.set(k, v == 'y' ? 1 : v)
2466   endif
2467 endforeach
2468
2469 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2470 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2471 if targetos == 'windows'
2472   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2473     #include <stdio.h>
2474     int main(void) {
2475       _lock_file(NULL);
2476       _unlock_file(NULL);
2477       return 0;
2478     }''', name: '_lock_file and _unlock_file'))
2479 endif
2480
2481 if targetos == 'windows'
2482   mingw_has_setjmp_longjmp = cc.links('''
2483     #include <setjmp.h>
2484     int main(void) {
2485       /*
2486        * These functions are not available in setjmp header, but may be
2487        * available at link time, from libmingwex.a.
2488        */
2489       extern int __mingw_setjmp(jmp_buf);
2490       extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2491       jmp_buf env;
2492       __mingw_setjmp(env);
2493       __mingw_longjmp(env, 0);
2494     }
2495   ''', name: 'mingw setjmp and longjmp')
2496
2497   if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2498     error('mingw must provide setjmp/longjmp for windows-arm64')
2499   endif
2500 endif
2501
2502 ########################
2503 # Target configuration #
2504 ########################
2505
2506 minikconf = find_program('scripts/minikconf.py')
2507 config_all = {}
2508 config_all_devices = {}
2509 config_all_disas = {}
2510 config_devices_mak_list = []
2511 config_devices_h = {}
2512 config_target_h = {}
2513 config_target_mak = {}
2514
2515 disassemblers = {
2516   'alpha' : ['CONFIG_ALPHA_DIS'],
2517   'avr' : ['CONFIG_AVR_DIS'],
2518   'cris' : ['CONFIG_CRIS_DIS'],
2519   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2520   'hppa' : ['CONFIG_HPPA_DIS'],
2521   'i386' : ['CONFIG_I386_DIS'],
2522   'x86_64' : ['CONFIG_I386_DIS'],
2523   'm68k' : ['CONFIG_M68K_DIS'],
2524   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2525   'mips' : ['CONFIG_MIPS_DIS'],
2526   'nios2' : ['CONFIG_NIOS2_DIS'],
2527   'or1k' : ['CONFIG_OPENRISC_DIS'],
2528   'ppc' : ['CONFIG_PPC_DIS'],
2529   'riscv' : ['CONFIG_RISCV_DIS'],
2530   'rx' : ['CONFIG_RX_DIS'],
2531   's390' : ['CONFIG_S390_DIS'],
2532   'sh4' : ['CONFIG_SH4_DIS'],
2533   'sparc' : ['CONFIG_SPARC_DIS'],
2534   'xtensa' : ['CONFIG_XTENSA_DIS'],
2535   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2536 }
2537
2538 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2539 host_kconfig = \
2540   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2541   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2542   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2543   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2544   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2545   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2546   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2547   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2548   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2549   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2550   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2551   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2552   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2553   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2554
2555 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2556
2557 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2558 actual_target_dirs = []
2559 fdt_required = []
2560 foreach target : target_dirs
2561   config_target = { 'TARGET_NAME': target.split('-')[0] }
2562   if target.endswith('linux-user')
2563     if targetos != 'linux'
2564       if default_targets
2565         continue
2566       endif
2567       error('Target @0@ is only available on a Linux host'.format(target))
2568     endif
2569     config_target += { 'CONFIG_LINUX_USER': 'y' }
2570   elif target.endswith('bsd-user')
2571     if 'CONFIG_BSD' not in config_host
2572       if default_targets
2573         continue
2574       endif
2575       error('Target @0@ is only available on a BSD host'.format(target))
2576     endif
2577     config_target += { 'CONFIG_BSD_USER': 'y' }
2578   elif target.endswith('softmmu')
2579     config_target += { 'CONFIG_SOFTMMU': 'y' }
2580   endif
2581   if target.endswith('-user')
2582     config_target += {
2583       'CONFIG_USER_ONLY': 'y',
2584       'CONFIG_QEMU_INTERP_PREFIX':
2585         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2586     }
2587   endif
2588
2589   accel_kconfig = []
2590   foreach sym: accelerators
2591     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2592       config_target += { sym: 'y' }
2593       config_all += { sym: 'y' }
2594       if target in modular_tcg
2595         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2596       else
2597         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2598       endif
2599       accel_kconfig += [ sym + '=y' ]
2600     endif
2601   endforeach
2602   if accel_kconfig.length() == 0
2603     if default_targets
2604       continue
2605     endif
2606     error('No accelerator available for target @0@'.format(target))
2607   endif
2608
2609   actual_target_dirs += target
2610   config_target += keyval.load('configs/targets' / target + '.mak')
2611   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2612
2613   if 'TARGET_NEED_FDT' in config_target
2614     fdt_required += target
2615   endif
2616
2617   # Add default keys
2618   if 'TARGET_BASE_ARCH' not in config_target
2619     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2620   endif
2621   if 'TARGET_ABI_DIR' not in config_target
2622     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2623   endif
2624   if 'TARGET_BIG_ENDIAN' not in config_target
2625     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2626   endif
2627
2628   foreach k, v: disassemblers
2629     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2630       foreach sym: v
2631         config_target += { sym: 'y' }
2632         config_all_disas += { sym: 'y' }
2633       endforeach
2634     endif
2635   endforeach
2636
2637   config_target_data = configuration_data()
2638   foreach k, v: config_target
2639     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2640       # do nothing
2641     elif ignored.contains(k)
2642       # do nothing
2643     elif k == 'TARGET_BASE_ARCH'
2644       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2645       # not used to select files from sourcesets.
2646       config_target_data.set('TARGET_' + v.to_upper(), 1)
2647     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2648       config_target_data.set_quoted(k, v)
2649     elif v == 'y'
2650       config_target_data.set(k, 1)
2651     elif v == 'n'
2652       config_target_data.set(k, 0)
2653     else
2654       config_target_data.set(k, v)
2655     endif
2656   endforeach
2657   config_target_data.set('QEMU_ARCH',
2658                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2659   config_target_h += {target: configure_file(output: target + '-config-target.h',
2660                                                configuration: config_target_data)}
2661
2662   if target.endswith('-softmmu')
2663     config_input = meson.get_external_property(target, 'default')
2664     config_devices_mak = target + '-config-devices.mak'
2665     config_devices_mak = configure_file(
2666       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2667       output: config_devices_mak,
2668       depfile: config_devices_mak + '.d',
2669       capture: true,
2670       command: [minikconf,
2671                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2672                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2673                 host_kconfig, accel_kconfig,
2674                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2675
2676     config_devices_data = configuration_data()
2677     config_devices = keyval.load(config_devices_mak)
2678     foreach k, v: config_devices
2679       config_devices_data.set(k, 1)
2680     endforeach
2681     config_devices_mak_list += config_devices_mak
2682     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2683                                                 configuration: config_devices_data)}
2684     config_target += config_devices
2685     config_all_devices += config_devices
2686   endif
2687   config_target_mak += {target: config_target}
2688 endforeach
2689 target_dirs = actual_target_dirs
2690
2691 # This configuration is used to build files that are shared by
2692 # multiple binaries, and then extracted out of the "common"
2693 # static_library target.
2694 #
2695 # We do not use all_sources()/all_dependencies(), because it would
2696 # build literally all source files, including devices only used by
2697 # targets that are not built for this compilation.  The CONFIG_ALL
2698 # pseudo symbol replaces it.
2699
2700 config_all += config_all_devices
2701 config_all += config_host
2702 config_all += config_all_disas
2703 config_all += {
2704   'CONFIG_XEN': xen.found(),
2705   'CONFIG_SOFTMMU': have_system,
2706   'CONFIG_USER_ONLY': have_user,
2707   'CONFIG_ALL': true,
2708 }
2709
2710 target_configs_h = []
2711 foreach target: target_dirs
2712   target_configs_h += config_target_h[target]
2713   target_configs_h += config_devices_h.get(target, [])
2714 endforeach
2715 genh += custom_target('config-poison.h',
2716                       input: [target_configs_h],
2717                       output: 'config-poison.h',
2718                       capture: true,
2719                       command: [find_program('scripts/make-config-poison.sh'),
2720                                 target_configs_h])
2721
2722 ##############
2723 # Submodules #
2724 ##############
2725
2726 capstone = not_found
2727 if not get_option('capstone').auto() or have_system or have_user
2728   capstone = dependency('capstone', version: '>=3.0.5',
2729                         kwargs: static_kwargs, method: 'pkg-config',
2730                         required: get_option('capstone'))
2731
2732   # Some versions of capstone have broken pkg-config file
2733   # that reports a wrong -I path, causing the #include to
2734   # fail later. If the system has such a broken version
2735   # do not use it.
2736   if capstone.found() and not cc.compiles('#include <capstone.h>',
2737                                           dependencies: [capstone])
2738     capstone = not_found
2739     if get_option('capstone').enabled()
2740       error('capstone requested, but it does not appear to work')
2741     endif
2742   endif
2743 endif
2744
2745 libvfio_user_dep = not_found
2746 if have_system and vfio_user_server_allowed
2747   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2748
2749   if not have_internal
2750     error('libvfio-user source not found - please pull git submodule')
2751   endif
2752
2753   libvfio_user_proj = subproject('libvfio-user')
2754
2755   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2756
2757   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2758 endif
2759
2760 fdt = not_found
2761 if have_system
2762   fdt_opt = get_option('fdt')
2763   if fdt_opt in ['enabled', 'auto', 'system']
2764     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2765     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2766                           required: fdt_opt == 'system' or
2767                                     fdt_opt == 'enabled' and not have_internal)
2768     if fdt.found() and cc.links('''
2769        #include <libfdt.h>
2770        #include <libfdt_env.h>
2771        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2772          dependencies: fdt)
2773       fdt_opt = 'system'
2774     elif fdt_opt == 'system'
2775        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2776     elif have_internal
2777       fdt_opt = 'internal'
2778     else
2779       fdt_opt = 'disabled'
2780       fdt = not_found
2781     endif
2782   endif
2783   if fdt_opt == 'internal'
2784     fdt_files = files(
2785       'dtc/libfdt/fdt.c',
2786       'dtc/libfdt/fdt_ro.c',
2787       'dtc/libfdt/fdt_wip.c',
2788       'dtc/libfdt/fdt_sw.c',
2789       'dtc/libfdt/fdt_rw.c',
2790       'dtc/libfdt/fdt_strerror.c',
2791       'dtc/libfdt/fdt_empty_tree.c',
2792       'dtc/libfdt/fdt_addresses.c',
2793       'dtc/libfdt/fdt_overlay.c',
2794       'dtc/libfdt/fdt_check.c',
2795     )
2796
2797     fdt_inc = include_directories('dtc/libfdt')
2798     libfdt = static_library('fdt',
2799                             build_by_default: false,
2800                             sources: fdt_files,
2801                             include_directories: fdt_inc)
2802     fdt = declare_dependency(link_with: libfdt,
2803                              include_directories: fdt_inc)
2804   endif
2805 else
2806   fdt_opt = 'disabled'
2807 endif
2808 if not fdt.found() and fdt_required.length() > 0
2809   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2810 endif
2811
2812 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2813 config_host_data.set('CONFIG_FDT', fdt.found())
2814 config_host_data.set('CONFIG_SLIRP', slirp.found())
2815
2816 #####################
2817 # Generated sources #
2818 #####################
2819
2820 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2821
2822 hxtool = find_program('scripts/hxtool')
2823 shaderinclude = find_program('scripts/shaderinclude.py')
2824 qapi_gen = find_program('scripts/qapi-gen.py')
2825 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2826                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2827                      meson.current_source_dir() / 'scripts/qapi/common.py',
2828                      meson.current_source_dir() / 'scripts/qapi/error.py',
2829                      meson.current_source_dir() / 'scripts/qapi/events.py',
2830                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2831                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2832                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2833                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2834                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2835                      meson.current_source_dir() / 'scripts/qapi/source.py',
2836                      meson.current_source_dir() / 'scripts/qapi/types.py',
2837                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2838                      meson.current_source_dir() / 'scripts/qapi/common.py',
2839                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2840 ]
2841
2842 tracetool = [
2843   python, files('scripts/tracetool.py'),
2844    '--backend=' + ','.join(get_option('trace_backends'))
2845 ]
2846 tracetool_depends = files(
2847   'scripts/tracetool/backend/log.py',
2848   'scripts/tracetool/backend/__init__.py',
2849   'scripts/tracetool/backend/dtrace.py',
2850   'scripts/tracetool/backend/ftrace.py',
2851   'scripts/tracetool/backend/simple.py',
2852   'scripts/tracetool/backend/syslog.py',
2853   'scripts/tracetool/backend/ust.py',
2854   'scripts/tracetool/format/ust_events_c.py',
2855   'scripts/tracetool/format/ust_events_h.py',
2856   'scripts/tracetool/format/__init__.py',
2857   'scripts/tracetool/format/d.py',
2858   'scripts/tracetool/format/simpletrace_stap.py',
2859   'scripts/tracetool/format/c.py',
2860   'scripts/tracetool/format/h.py',
2861   'scripts/tracetool/format/log_stap.py',
2862   'scripts/tracetool/format/stap.py',
2863   'scripts/tracetool/__init__.py',
2864   'scripts/tracetool/transform.py',
2865   'scripts/tracetool/vcpu.py'
2866 )
2867
2868 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2869                     meson.current_source_dir(),
2870                     get_option('pkgversion'), meson.project_version()]
2871 qemu_version = custom_target('qemu-version.h',
2872                              output: 'qemu-version.h',
2873                              command: qemu_version_cmd,
2874                              capture: true,
2875                              build_by_default: true,
2876                              build_always_stale: true)
2877 genh += qemu_version
2878
2879 hxdep = []
2880 hx_headers = [
2881   ['qemu-options.hx', 'qemu-options.def'],
2882   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2883 ]
2884 if have_system
2885   hx_headers += [
2886     ['hmp-commands.hx', 'hmp-commands.h'],
2887     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2888   ]
2889 endif
2890 foreach d : hx_headers
2891   hxdep += custom_target(d[1],
2892                 input: files(d[0]),
2893                 output: d[1],
2894                 capture: true,
2895                 build_by_default: true, # to be removed when added to a target
2896                 command: [hxtool, '-h', '@INPUT0@'])
2897 endforeach
2898 genh += hxdep
2899
2900 ###################
2901 # Collect sources #
2902 ###################
2903
2904 authz_ss = ss.source_set()
2905 blockdev_ss = ss.source_set()
2906 block_ss = ss.source_set()
2907 chardev_ss = ss.source_set()
2908 common_ss = ss.source_set()
2909 crypto_ss = ss.source_set()
2910 hwcore_ss = ss.source_set()
2911 io_ss = ss.source_set()
2912 qmp_ss = ss.source_set()
2913 qom_ss = ss.source_set()
2914 softmmu_ss = ss.source_set()
2915 specific_fuzz_ss = ss.source_set()
2916 specific_ss = ss.source_set()
2917 stub_ss = ss.source_set()
2918 trace_ss = ss.source_set()
2919 user_ss = ss.source_set()
2920 util_ss = ss.source_set()
2921
2922 # accel modules
2923 qtest_module_ss = ss.source_set()
2924 tcg_module_ss = ss.source_set()
2925
2926 modules = {}
2927 target_modules = {}
2928 hw_arch = {}
2929 target_arch = {}
2930 target_softmmu_arch = {}
2931 target_user_arch = {}
2932
2933 ###############
2934 # Trace files #
2935 ###############
2936
2937 # TODO: add each directory to the subdirs from its own meson.build, once
2938 # we have those
2939 trace_events_subdirs = [
2940   'crypto',
2941   'qapi',
2942   'qom',
2943   'monitor',
2944   'util',
2945   'gdbstub',
2946 ]
2947 if have_linux_user
2948   trace_events_subdirs += [ 'linux-user' ]
2949 endif
2950 if have_bsd_user
2951   trace_events_subdirs += [ 'bsd-user' ]
2952 endif
2953 if have_block
2954   trace_events_subdirs += [
2955     'authz',
2956     'block',
2957     'io',
2958     'nbd',
2959     'scsi',
2960   ]
2961 endif
2962 if have_system
2963   trace_events_subdirs += [
2964     'accel/kvm',
2965     'audio',
2966     'backends',
2967     'backends/tpm',
2968     'chardev',
2969     'ebpf',
2970     'hw/9pfs',
2971     'hw/acpi',
2972     'hw/adc',
2973     'hw/alpha',
2974     'hw/arm',
2975     'hw/audio',
2976     'hw/block',
2977     'hw/block/dataplane',
2978     'hw/char',
2979     'hw/display',
2980     'hw/dma',
2981     'hw/hyperv',
2982     'hw/i2c',
2983     'hw/i386',
2984     'hw/i386/xen',
2985     'hw/i386/kvm',
2986     'hw/ide',
2987     'hw/input',
2988     'hw/intc',
2989     'hw/isa',
2990     'hw/mem',
2991     'hw/mips',
2992     'hw/misc',
2993     'hw/misc/macio',
2994     'hw/net',
2995     'hw/net/can',
2996     'hw/nubus',
2997     'hw/nvme',
2998     'hw/nvram',
2999     'hw/pci',
3000     'hw/pci-host',
3001     'hw/ppc',
3002     'hw/rdma',
3003     'hw/rdma/vmw',
3004     'hw/rtc',
3005     'hw/s390x',
3006     'hw/scsi',
3007     'hw/sd',
3008     'hw/sh4',
3009     'hw/sparc',
3010     'hw/sparc64',
3011     'hw/ssi',
3012     'hw/timer',
3013     'hw/tpm',
3014     'hw/usb',
3015     'hw/vfio',
3016     'hw/virtio',
3017     'hw/watchdog',
3018     'hw/xen',
3019     'hw/gpio',
3020     'migration',
3021     'net',
3022     'softmmu',
3023     'ui',
3024     'hw/remote',
3025   ]
3026 endif
3027 if have_system or have_user
3028   trace_events_subdirs += [
3029     'accel/tcg',
3030     'hw/core',
3031     'target/arm',
3032     'target/arm/hvf',
3033     'target/hppa',
3034     'target/i386',
3035     'target/i386/kvm',
3036     'target/mips/tcg',
3037     'target/nios2',
3038     'target/ppc',
3039     'target/riscv',
3040     'target/s390x',
3041     'target/s390x/kvm',
3042     'target/sparc',
3043   ]
3044 endif
3045
3046 vhost_user = not_found
3047 if targetos == 'linux' and have_vhost_user
3048   libvhost_user = subproject('libvhost-user')
3049   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3050 endif
3051
3052 libvduse = not_found
3053 if have_libvduse
3054   libvduse_proj = subproject('libvduse')
3055   libvduse = libvduse_proj.get_variable('libvduse_dep')
3056 endif
3057
3058 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3059 # that is filled in by qapi/.
3060 subdir('qapi')
3061 subdir('qobject')
3062 subdir('stubs')
3063 subdir('trace')
3064 subdir('util')
3065 subdir('qom')
3066 subdir('authz')
3067 subdir('crypto')
3068 subdir('ui')
3069 subdir('hw')
3070 subdir('gdbstub')
3071
3072
3073 if enable_modules
3074   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3075   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3076 endif
3077
3078 qom_ss = qom_ss.apply(config_host, strict: false)
3079 libqom = static_library('qom', qom_ss.sources() + genh,
3080                         dependencies: [qom_ss.dependencies()],
3081                         name_suffix: 'fa')
3082 qom = declare_dependency(link_whole: libqom)
3083
3084 event_loop_base = files('event-loop-base.c')
3085 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3086                                  build_by_default: true)
3087 event_loop_base = declare_dependency(link_whole: event_loop_base,
3088                                      dependencies: [qom])
3089
3090 stub_ss = stub_ss.apply(config_all, strict: false)
3091
3092 util_ss.add_all(trace_ss)
3093 util_ss = util_ss.apply(config_all, strict: false)
3094 libqemuutil = static_library('qemuutil',
3095                              sources: util_ss.sources() + stub_ss.sources() + genh,
3096                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3097 qemuutil = declare_dependency(link_with: libqemuutil,
3098                               sources: genh + version_res,
3099                               dependencies: [event_loop_base])
3100
3101 if have_system or have_user
3102   decodetree = generator(find_program('scripts/decodetree.py'),
3103                          output: 'decode-@BASENAME@.c.inc',
3104                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3105   subdir('libdecnumber')
3106   subdir('target')
3107 endif
3108
3109 subdir('audio')
3110 subdir('io')
3111 subdir('chardev')
3112 subdir('fsdev')
3113 subdir('dump')
3114
3115 if have_block
3116   block_ss.add(files(
3117     'block.c',
3118     'blockjob.c',
3119     'job.c',
3120     'qemu-io-cmds.c',
3121   ))
3122   if config_host_data.get('CONFIG_REPLICATION')
3123     block_ss.add(files('replication.c'))
3124   endif
3125
3126   subdir('nbd')
3127   subdir('scsi')
3128   subdir('block')
3129
3130   blockdev_ss.add(files(
3131     'blockdev.c',
3132     'blockdev-nbd.c',
3133     'iothread.c',
3134     'job-qmp.c',
3135   ), gnutls)
3136
3137   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3138   # os-win32.c does not
3139   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3140   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3141 endif
3142
3143 common_ss.add(files('cpus-common.c'))
3144 specific_ss.add(files('cpu.c'))
3145
3146 subdir('softmmu')
3147
3148 common_ss.add(capstone)
3149 specific_ss.add(files('disas.c'), capstone)
3150
3151 # Work around a gcc bug/misfeature wherein constant propagation looks
3152 # through an alias:
3153 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3154 # to guess that a const variable is always zero.  Without lto, this is
3155 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3156 # without lto, not even the alias is required -- we simply use different
3157 # declarations in different compilation units.
3158 pagevary = files('page-vary-common.c')
3159 if get_option('b_lto')
3160   pagevary_flags = ['-fno-lto']
3161   if get_option('cfi')
3162     pagevary_flags += '-fno-sanitize=cfi-icall'
3163   endif
3164   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3165                             c_args: pagevary_flags)
3166   pagevary = declare_dependency(link_with: pagevary)
3167 endif
3168 common_ss.add(pagevary)
3169 specific_ss.add(files('page-vary.c'))
3170
3171 subdir('backends')
3172 subdir('disas')
3173 subdir('migration')
3174 subdir('monitor')
3175 subdir('net')
3176 subdir('replay')
3177 subdir('semihosting')
3178 subdir('stats')
3179 subdir('tcg')
3180 subdir('fpu')
3181 subdir('accel')
3182 subdir('plugins')
3183 subdir('ebpf')
3184
3185 common_user_inc = []
3186
3187 subdir('common-user')
3188 subdir('bsd-user')
3189 subdir('linux-user')
3190
3191 # needed for fuzzing binaries
3192 subdir('tests/qtest/libqos')
3193 subdir('tests/qtest/fuzz')
3194
3195 # accel modules
3196 tcg_real_module_ss = ss.source_set()
3197 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3198 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3199 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3200                                 'tcg': tcg_real_module_ss }}
3201
3202 ########################
3203 # Library dependencies #
3204 ########################
3205
3206 modinfo_collect = find_program('scripts/modinfo-collect.py')
3207 modinfo_generate = find_program('scripts/modinfo-generate.py')
3208 modinfo_files = []
3209
3210 block_mods = []
3211 softmmu_mods = []
3212 foreach d, list : modules
3213   foreach m, module_ss : list
3214     if enable_modules and targetos != 'windows'
3215       module_ss = module_ss.apply(config_all, strict: false)
3216       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3217                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3218       if d == 'block'
3219         block_mods += sl
3220       else
3221         softmmu_mods += sl
3222       endif
3223       if module_ss.sources() != []
3224         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3225         # input. Sources can be used multiple times but objects are
3226         # unique when it comes to lookup in compile_commands.json.
3227         # Depnds on a mesion version with
3228         # https://github.com/mesonbuild/meson/pull/8900
3229         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3230                                        output: d + '-' + m + '.modinfo',
3231                                        input: module_ss.sources() + genh,
3232                                        capture: true,
3233                                        command: [modinfo_collect, module_ss.sources()])
3234       endif
3235     else
3236       if d == 'block'
3237         block_ss.add_all(module_ss)
3238       else
3239         softmmu_ss.add_all(module_ss)
3240       endif
3241     endif
3242   endforeach
3243 endforeach
3244
3245 foreach d, list : target_modules
3246   foreach m, module_ss : list
3247     if enable_modules and targetos != 'windows'
3248       foreach target : target_dirs
3249         if target.endswith('-softmmu')
3250           config_target = config_target_mak[target]
3251           config_target += config_host
3252           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3253           c_args = ['-DNEED_CPU_H',
3254                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3255                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3256           target_module_ss = module_ss.apply(config_target, strict: false)
3257           if target_module_ss.sources() != []
3258             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3259             sl = static_library(module_name,
3260                                 [genh, target_module_ss.sources()],
3261                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3262                                 include_directories: target_inc,
3263                                 c_args: c_args,
3264                                 pic: true)
3265             softmmu_mods += sl
3266             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3267             modinfo_files += custom_target(module_name + '.modinfo',
3268                                            output: module_name + '.modinfo',
3269                                            input: target_module_ss.sources() + genh,
3270                                            capture: true,
3271                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3272           endif
3273         endif
3274       endforeach
3275     else
3276       specific_ss.add_all(module_ss)
3277     endif
3278   endforeach
3279 endforeach
3280
3281 if enable_modules
3282   foreach target : target_dirs
3283     if target.endswith('-softmmu')
3284       config_target = config_target_mak[target]
3285       config_devices_mak = target + '-config-devices.mak'
3286       modinfo_src = custom_target('modinfo-' + target + '.c',
3287                                   output: 'modinfo-' + target + '.c',
3288                                   input: modinfo_files,
3289                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3290                                   capture: true)
3291
3292       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3293       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3294
3295       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3296       hw_arch[arch].add(modinfo_dep)
3297     endif
3298   endforeach
3299 endif
3300
3301 nm = find_program('nm')
3302 undefsym = find_program('scripts/undefsym.py')
3303 block_syms = custom_target('block.syms', output: 'block.syms',
3304                              input: [libqemuutil, block_mods],
3305                              capture: true,
3306                              command: [undefsym, nm, '@INPUT@'])
3307 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3308                              input: [libqemuutil, softmmu_mods],
3309                              capture: true,
3310                              command: [undefsym, nm, '@INPUT@'])
3311
3312 authz_ss = authz_ss.apply(config_host, strict: false)
3313 libauthz = static_library('authz', authz_ss.sources() + genh,
3314                           dependencies: [authz_ss.dependencies()],
3315                           name_suffix: 'fa',
3316                           build_by_default: false)
3317
3318 authz = declare_dependency(link_whole: libauthz,
3319                            dependencies: qom)
3320
3321 crypto_ss = crypto_ss.apply(config_host, strict: false)
3322 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3323                            dependencies: [crypto_ss.dependencies()],
3324                            name_suffix: 'fa',
3325                            build_by_default: false)
3326
3327 crypto = declare_dependency(link_whole: libcrypto,
3328                             dependencies: [authz, qom])
3329
3330 io_ss = io_ss.apply(config_host, strict: false)
3331 libio = static_library('io', io_ss.sources() + genh,
3332                        dependencies: [io_ss.dependencies()],
3333                        link_with: libqemuutil,
3334                        name_suffix: 'fa',
3335                        build_by_default: false)
3336
3337 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3338
3339 libmigration = static_library('migration', sources: migration_files + genh,
3340                               name_suffix: 'fa',
3341                               build_by_default: false)
3342 migration = declare_dependency(link_with: libmigration,
3343                                dependencies: [zlib, qom, io])
3344 softmmu_ss.add(migration)
3345
3346 block_ss = block_ss.apply(config_host, strict: false)
3347 libblock = static_library('block', block_ss.sources() + genh,
3348                           dependencies: block_ss.dependencies(),
3349                           link_depends: block_syms,
3350                           name_suffix: 'fa',
3351                           build_by_default: false)
3352
3353 block = declare_dependency(link_whole: [libblock],
3354                            link_args: '@block.syms',
3355                            dependencies: [crypto, io])
3356
3357 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3358 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3359                              dependencies: blockdev_ss.dependencies(),
3360                              name_suffix: 'fa',
3361                              build_by_default: false)
3362
3363 blockdev = declare_dependency(link_whole: [libblockdev],
3364                               dependencies: [block, event_loop_base])
3365
3366 qmp_ss = qmp_ss.apply(config_host, strict: false)
3367 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3368                         dependencies: qmp_ss.dependencies(),
3369                         name_suffix: 'fa',
3370                         build_by_default: false)
3371
3372 qmp = declare_dependency(link_whole: [libqmp])
3373
3374 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3375                             name_suffix: 'fa',
3376                             dependencies: chardev_ss.dependencies(),
3377                             build_by_default: false)
3378
3379 chardev = declare_dependency(link_whole: libchardev)
3380
3381 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3382 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3383                            name_suffix: 'fa',
3384                            build_by_default: false)
3385 hwcore = declare_dependency(link_whole: libhwcore)
3386 common_ss.add(hwcore)
3387
3388 ###########
3389 # Targets #
3390 ###########
3391
3392 emulator_modules = []
3393 foreach m : block_mods + softmmu_mods
3394   emulator_modules += shared_module(m.name(),
3395                 build_by_default: true,
3396                 name_prefix: '',
3397                 link_whole: m,
3398                 install: true,
3399                 install_dir: qemu_moddir)
3400 endforeach
3401 if emulator_modules.length() > 0
3402   alias_target('modules', emulator_modules)
3403 endif
3404
3405 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3406 common_ss.add(qom, qemuutil)
3407
3408 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3409 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3410
3411 common_all = common_ss.apply(config_all, strict: false)
3412 common_all = static_library('common',
3413                             build_by_default: false,
3414                             sources: common_all.sources() + genh,
3415                             include_directories: common_user_inc,
3416                             implicit_include_directories: false,
3417                             dependencies: common_all.dependencies(),
3418                             name_suffix: 'fa')
3419
3420 feature_to_c = find_program('scripts/feature_to_c.sh')
3421
3422 if targetos == 'darwin'
3423   entitlement = find_program('scripts/entitlement.sh')
3424 endif
3425
3426 emulators = {}
3427 foreach target : target_dirs
3428   config_target = config_target_mak[target]
3429   target_name = config_target['TARGET_NAME']
3430   target_base_arch = config_target['TARGET_BASE_ARCH']
3431   arch_srcs = [config_target_h[target]]
3432   arch_deps = []
3433   c_args = ['-DNEED_CPU_H',
3434             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3435             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3436   link_args = emulator_link_args
3437
3438   config_target += config_host
3439   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3440   if targetos == 'linux'
3441     target_inc += include_directories('linux-headers', is_system: true)
3442   endif
3443   if target.endswith('-softmmu')
3444     target_type='system'
3445     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3446     arch_srcs += t.sources()
3447     arch_deps += t.dependencies()
3448
3449     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3450     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3451     arch_srcs += hw.sources()
3452     arch_deps += hw.dependencies()
3453
3454     arch_srcs += config_devices_h[target]
3455     link_args += ['@block.syms', '@qemu.syms']
3456   else
3457     abi = config_target['TARGET_ABI_DIR']
3458     target_type='user'
3459     target_inc += common_user_inc
3460     if target_base_arch in target_user_arch
3461       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3462       arch_srcs += t.sources()
3463       arch_deps += t.dependencies()
3464     endif
3465     if 'CONFIG_LINUX_USER' in config_target
3466       base_dir = 'linux-user'
3467     endif
3468     if 'CONFIG_BSD_USER' in config_target
3469       base_dir = 'bsd-user'
3470       target_inc += include_directories('bsd-user/' / targetos)
3471       target_inc += include_directories('bsd-user/host/' / host_arch)
3472       dir = base_dir / abi
3473       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3474     endif
3475     target_inc += include_directories(
3476       base_dir,
3477       base_dir / abi,
3478     )
3479     if 'CONFIG_LINUX_USER' in config_target
3480       dir = base_dir / abi
3481       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3482       if config_target.has_key('TARGET_SYSTBL_ABI')
3483         arch_srcs += \
3484           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3485                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3486       endif
3487     endif
3488   endif
3489
3490   if 'TARGET_XML_FILES' in config_target
3491     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3492                                 output: target + '-gdbstub-xml.c',
3493                                 input: files(config_target['TARGET_XML_FILES'].split()),
3494                                 command: [feature_to_c, '@INPUT@'],
3495                                 capture: true)
3496     arch_srcs += gdbstub_xml
3497   endif
3498
3499   t = target_arch[target_base_arch].apply(config_target, strict: false)
3500   arch_srcs += t.sources()
3501   arch_deps += t.dependencies()
3502
3503   target_common = common_ss.apply(config_target, strict: false)
3504   objects = common_all.extract_objects(target_common.sources())
3505   deps = target_common.dependencies()
3506
3507   target_specific = specific_ss.apply(config_target, strict: false)
3508   arch_srcs += target_specific.sources()
3509   arch_deps += target_specific.dependencies()
3510
3511   lib = static_library('qemu-' + target,
3512                  sources: arch_srcs + genh,
3513                  dependencies: arch_deps,
3514                  objects: objects,
3515                  include_directories: target_inc,
3516                  c_args: c_args,
3517                  build_by_default: false,
3518                  name_suffix: 'fa')
3519
3520   if target.endswith('-softmmu')
3521     execs = [{
3522       'name': 'qemu-system-' + target_name,
3523       'win_subsystem': 'console',
3524       'sources': files('softmmu/main.c'),
3525       'dependencies': []
3526     }]
3527     if targetos == 'windows' and (sdl.found() or gtk.found())
3528       execs += [{
3529         'name': 'qemu-system-' + target_name + 'w',
3530         'win_subsystem': 'windows',
3531         'sources': files('softmmu/main.c'),
3532         'dependencies': []
3533       }]
3534     endif
3535     if get_option('fuzzing')
3536       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3537       execs += [{
3538         'name': 'qemu-fuzz-' + target_name,
3539         'win_subsystem': 'console',
3540         'sources': specific_fuzz.sources(),
3541         'dependencies': specific_fuzz.dependencies(),
3542       }]
3543     endif
3544   else
3545     execs = [{
3546       'name': 'qemu-' + target_name,
3547       'win_subsystem': 'console',
3548       'sources': [],
3549       'dependencies': []
3550     }]
3551   endif
3552   foreach exe: execs
3553     exe_name = exe['name']
3554     if targetos == 'darwin'
3555       exe_name += '-unsigned'
3556     endif
3557
3558     emulator = executable(exe_name, exe['sources'],
3559                install: true,
3560                c_args: c_args,
3561                dependencies: arch_deps + deps + exe['dependencies'],
3562                objects: lib.extract_all_objects(recursive: true),
3563                link_language: link_language,
3564                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3565                link_args: link_args,
3566                win_subsystem: exe['win_subsystem'])
3567
3568     if targetos == 'darwin'
3569       icon = 'pc-bios/qemu.rsrc'
3570       build_input = [emulator, files(icon)]
3571       install_input = [
3572         get_option('bindir') / exe_name,
3573         meson.current_source_dir() / icon
3574       ]
3575       if 'CONFIG_HVF' in config_target
3576         entitlements = 'accel/hvf/entitlements.plist'
3577         build_input += files(entitlements)
3578         install_input += meson.current_source_dir() / entitlements
3579       endif
3580
3581       emulators += {exe['name'] : custom_target(exe['name'],
3582                    input: build_input,
3583                    output: exe['name'],
3584                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3585       }
3586
3587       meson.add_install_script(entitlement, '--install',
3588                                get_option('bindir') / exe['name'],
3589                                install_input)
3590     else
3591       emulators += {exe['name']: emulator}
3592     endif
3593
3594     if stap.found()
3595       foreach stp: [
3596         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3597         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3598         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3599         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3600       ]
3601         custom_target(exe['name'] + stp['ext'],
3602                       input: trace_events_all,
3603                       output: exe['name'] + stp['ext'],
3604                       install: stp['install'],
3605                       install_dir: get_option('datadir') / 'systemtap/tapset',
3606                       command: [
3607                         tracetool, '--group=all', '--format=' + stp['fmt'],
3608                         '--binary=' + stp['bin'],
3609                         '--target-name=' + target_name,
3610                         '--target-type=' + target_type,
3611                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3612                         '@INPUT@', '@OUTPUT@'
3613                       ],
3614                       depend_files: tracetool_depends)
3615       endforeach
3616     endif
3617   endforeach
3618 endforeach
3619
3620 # Other build targets
3621
3622 if 'CONFIG_PLUGIN' in config_host
3623   install_headers('include/qemu/qemu-plugin.h')
3624 endif
3625
3626 subdir('qga')
3627
3628 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3629 # when we don't build tools or system
3630 if xkbcommon.found()
3631   # used for the update-keymaps target, so include rules even if !have_tools
3632   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3633                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3634 endif
3635
3636 if have_tools
3637   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3638              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3639   qemu_io = executable('qemu-io', files('qemu-io.c'),
3640              dependencies: [block, qemuutil], install: true)
3641   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3642                dependencies: [blockdev, qemuutil, gnutls, selinux],
3643                install: true)
3644
3645   subdir('storage-daemon')
3646   subdir('contrib/rdmacm-mux')
3647   subdir('contrib/elf2dmp')
3648
3649   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3650              dependencies: qemuutil,
3651              install: true)
3652
3653   if have_vhost_user
3654     subdir('contrib/vhost-user-blk')
3655     subdir('contrib/vhost-user-gpu')
3656     subdir('contrib/vhost-user-input')
3657     subdir('contrib/vhost-user-scsi')
3658   endif
3659
3660   if targetos == 'linux'
3661     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3662                dependencies: [qemuutil, libcap_ng],
3663                install: true,
3664                install_dir: get_option('libexecdir'))
3665
3666     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3667                dependencies: [authz, crypto, io, qom, qemuutil,
3668                               libcap_ng, mpathpersist],
3669                install: true)
3670   endif
3671
3672   if have_ivshmem
3673     subdir('contrib/ivshmem-client')
3674     subdir('contrib/ivshmem-server')
3675   endif
3676 endif
3677
3678 subdir('scripts')
3679 subdir('tools')
3680 subdir('pc-bios')
3681 subdir('docs')
3682 subdir('tests')
3683 if gtk.found()
3684   subdir('po')
3685 endif
3686
3687 if host_machine.system() == 'windows'
3688   nsis_cmd = [
3689     find_program('scripts/nsis.py'),
3690     '@OUTPUT@',
3691     get_option('prefix'),
3692     meson.current_source_dir(),
3693     config_host['GLIB_BINDIR'],
3694     host_machine.cpu(),
3695     '--',
3696     '-DDISPLAYVERSION=' + meson.project_version(),
3697   ]
3698   if build_docs
3699     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3700   endif
3701   if gtk.found()
3702     nsis_cmd += '-DCONFIG_GTK=y'
3703   endif
3704
3705   nsis = custom_target('nsis',
3706                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3707                        input: files('qemu.nsi'),
3708                        build_always_stale: true,
3709                        command: nsis_cmd + ['@INPUT@'])
3710   alias_target('installer', nsis)
3711 endif
3712
3713 #########################
3714 # Configuration summary #
3715 #########################
3716
3717 # Directories
3718 summary_info = {}
3719 summary_info += {'Install prefix':    get_option('prefix')}
3720 summary_info += {'BIOS directory':    qemu_datadir}
3721 pathsep = targetos == 'windows' ? ';' : ':'
3722 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3723 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3724 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3725 summary_info += {'module directory':  qemu_moddir}
3726 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3727 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3728 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3729 if targetos != 'windows'
3730   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3731   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3732 else
3733   summary_info += {'local state directory': 'queried at runtime'}
3734 endif
3735 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3736 summary_info += {'Build directory':   meson.current_build_dir()}
3737 summary_info += {'Source path':       meson.current_source_dir()}
3738 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3739 summary(summary_info, bool_yn: true, section: 'Directories')
3740
3741 # Host binaries
3742 summary_info = {}
3743 summary_info += {'git':               config_host['GIT']}
3744 summary_info += {'make':              config_host['MAKE']}
3745 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3746 summary_info += {'sphinx-build':      sphinx_build}
3747 if config_host.has_key('HAVE_GDB_BIN')
3748   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3749 endif
3750 summary_info += {'iasl':              iasl}
3751 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3752 if targetos == 'windows' and have_ga
3753   summary_info += {'wixl':            wixl}
3754 endif
3755 if slirp.found() and have_system
3756   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3757 endif
3758 summary(summary_info, bool_yn: true, section: 'Host binaries')
3759
3760 # Configurable features
3761 summary_info = {}
3762 summary_info += {'Documentation':     build_docs}
3763 summary_info += {'system-mode emulation': have_system}
3764 summary_info += {'user-mode emulation': have_user}
3765 summary_info += {'block layer':       have_block}
3766 summary_info += {'Install blobs':     get_option('install_blobs')}
3767 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3768 if config_host.has_key('CONFIG_MODULES')
3769   summary_info += {'alternative module path': get_option('module_upgrades')}
3770 endif
3771 summary_info += {'fuzzing support':   get_option('fuzzing')}
3772 if have_system
3773   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3774 endif
3775 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3776 if 'simple' in get_option('trace_backends')
3777   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3778 endif
3779 summary_info += {'D-Bus display':     dbus_display}
3780 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3781 summary_info += {'vhost-kernel support': have_vhost_kernel}
3782 summary_info += {'vhost-net support': have_vhost_net}
3783 summary_info += {'vhost-user support': have_vhost_user}
3784 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3785 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3786 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3787 summary_info += {'build guest agent': have_ga}
3788 summary(summary_info, bool_yn: true, section: 'Configurable features')
3789
3790 # Compilation information
3791 summary_info = {}
3792 summary_info += {'host CPU':          cpu}
3793 summary_info += {'host endianness':   build_machine.endian()}
3794 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3795 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3796 if link_language == 'cpp'
3797   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3798 else
3799   summary_info += {'C++ compiler':      false}
3800 endif
3801 if targetos == 'darwin'
3802   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3803 endif
3804 option_cflags = (get_option('debug') ? ['-g'] : [])
3805 if get_option('optimization') != 'plain'
3806   option_cflags += ['-O' + get_option('optimization')]
3807 endif
3808 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3809 if link_language == 'cpp'
3810   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3811 endif
3812 if targetos == 'darwin'
3813   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3814 endif
3815 link_args = get_option(link_language + '_link_args')
3816 if link_args.length() > 0
3817   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3818 endif
3819 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3820 if 'cpp' in all_languages
3821   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3822 endif
3823 if 'objc' in all_languages
3824   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3825 endif
3826 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3827 summary_info += {'profiler':          get_option('profiler')}
3828 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3829 summary_info += {'PIE':               get_option('b_pie')}
3830 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3831 summary_info += {'malloc trim support': has_malloc_trim}
3832 summary_info += {'membarrier':        have_membarrier}
3833 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3834 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3835 summary_info += {'memory allocator':  get_option('malloc')}
3836 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3837 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3838 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3839 if get_option('gprof')
3840   gprof_info = 'YES (deprecated)'
3841 else
3842   gprof_info = get_option('gprof')
3843 endif
3844 summary_info += {'gprof':             gprof_info}
3845 summary_info += {'gcov':              get_option('b_coverage')}
3846 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3847 summary_info += {'CFI support':       get_option('cfi')}
3848 if get_option('cfi')
3849   summary_info += {'CFI debug support': get_option('cfi_debug')}
3850 endif
3851 summary_info += {'strip binaries':    get_option('strip')}
3852 summary_info += {'sparse':            sparse}
3853 summary_info += {'mingw32 support':   targetos == 'windows'}
3854 summary(summary_info, bool_yn: true, section: 'Compilation')
3855
3856 # snarf the cross-compilation information for tests
3857 summary_info = {}
3858 have_cross = false
3859 foreach target: target_dirs
3860   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3861   if fs.exists(tcg_mak)
3862     config_cross_tcg = keyval.load(tcg_mak)
3863     if 'CC' in config_cross_tcg
3864       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3865       have_cross = true
3866     endif
3867   endif
3868 endforeach
3869 if have_cross
3870   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3871 endif
3872
3873 # Targets and accelerators
3874 summary_info = {}
3875 if have_system
3876   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3877   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3878   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3879   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3880   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3881   summary_info += {'Xen support':       xen.found()}
3882   if xen.found()
3883     summary_info += {'xen ctrl version':  xen.version()}
3884   endif
3885   summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
3886 endif
3887 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3888 if config_all.has_key('CONFIG_TCG')
3889   if get_option('tcg_interpreter')
3890     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3891   else
3892     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3893   endif
3894   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3895   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3896 endif
3897 summary_info += {'target list':       ' '.join(target_dirs)}
3898 if have_system
3899   summary_info += {'default devices':   get_option('default_devices')}
3900   summary_info += {'out of process emulation': multiprocess_allowed}
3901   summary_info += {'vfio-user server': vfio_user_server_allowed}
3902 endif
3903 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3904
3905 # Block layer
3906 summary_info = {}
3907 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3908 summary_info += {'coroutine pool':    have_coroutine_pool}
3909 if have_block
3910   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3911   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3912   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3913   summary_info += {'VirtFS support':    have_virtfs}
3914   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3915   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3916   summary_info += {'bochs support':     get_option('bochs').allowed()}
3917   summary_info += {'cloop support':     get_option('cloop').allowed()}
3918   summary_info += {'dmg support':       get_option('dmg').allowed()}
3919   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3920   summary_info += {'vdi support':       get_option('vdi').allowed()}
3921   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3922   summary_info += {'qed support':       get_option('qed').allowed()}
3923   summary_info += {'parallels support': get_option('parallels').allowed()}
3924   summary_info += {'FUSE exports':      fuse}
3925   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3926 endif
3927 summary(summary_info, bool_yn: true, section: 'Block layer support')
3928
3929 # Crypto
3930 summary_info = {}
3931 summary_info += {'TLS priority':      get_option('tls_priority')}
3932 summary_info += {'GNUTLS support':    gnutls}
3933 if gnutls.found()
3934   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3935 endif
3936 summary_info += {'libgcrypt':         gcrypt}
3937 summary_info += {'nettle':            nettle}
3938 if nettle.found()
3939    summary_info += {'  XTS':             xts != 'private'}
3940 endif
3941 summary_info += {'AF_ALG support':    have_afalg}
3942 summary_info += {'rng-none':          get_option('rng_none')}
3943 summary_info += {'Linux keyring':     have_keyring}
3944 summary(summary_info, bool_yn: true, section: 'Crypto')
3945
3946 # Libraries
3947 summary_info = {}
3948 if targetos == 'darwin'
3949   summary_info += {'Cocoa support':           cocoa}
3950   summary_info += {'vmnet.framework support': vmnet}
3951 endif
3952 summary_info += {'SDL support':       sdl}
3953 summary_info += {'SDL image support': sdl_image}
3954 summary_info += {'GTK support':       gtk}
3955 summary_info += {'pixman':            pixman}
3956 summary_info += {'VTE support':       vte}
3957 summary_info += {'slirp support':     slirp}
3958 summary_info += {'libtasn1':          tasn1}
3959 summary_info += {'PAM':               pam}
3960 summary_info += {'iconv support':     iconv}
3961 summary_info += {'curses support':    curses}
3962 summary_info += {'virgl support':     virgl}
3963 summary_info += {'blkio support':     blkio}
3964 summary_info += {'curl support':      curl}
3965 summary_info += {'Multipath support': mpathpersist}
3966 summary_info += {'PNG support':       png}
3967 summary_info += {'VNC support':       vnc}
3968 if vnc.found()
3969   summary_info += {'VNC SASL support':  sasl}
3970   summary_info += {'VNC JPEG support':  jpeg}
3971 endif
3972 if targetos not in ['darwin', 'haiku', 'windows']
3973   summary_info += {'OSS support':     oss}
3974   summary_info += {'sndio support':   sndio}
3975 elif targetos == 'darwin'
3976   summary_info += {'CoreAudio support': coreaudio}
3977 elif targetos == 'windows'
3978   summary_info += {'DirectSound support': dsound}
3979 endif
3980 if targetos == 'linux'
3981   summary_info += {'ALSA support':    alsa}
3982   summary_info += {'PulseAudio support': pulse}
3983 endif
3984 summary_info += {'JACK support':      jack}
3985 summary_info += {'brlapi support':    brlapi}
3986 summary_info += {'vde support':       vde}
3987 summary_info += {'netmap support':    have_netmap}
3988 summary_info += {'l2tpv3 support':    have_l2tpv3}
3989 summary_info += {'Linux AIO support': libaio}
3990 summary_info += {'Linux io_uring support': linux_io_uring}
3991 summary_info += {'ATTR/XATTR support': libattr}
3992 summary_info += {'RDMA support':      rdma}
3993 summary_info += {'PVRDMA support':    have_pvrdma}
3994 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3995 summary_info += {'libcap-ng support': libcap_ng}
3996 summary_info += {'bpf support':       libbpf}
3997 summary_info += {'spice protocol support': spice_protocol}
3998 if spice_protocol.found()
3999   summary_info += {'  spice server support': spice}
4000 endif
4001 summary_info += {'rbd support':       rbd}
4002 summary_info += {'smartcard support': cacard}
4003 summary_info += {'U2F support':       u2f}
4004 summary_info += {'libusb':            libusb}
4005 summary_info += {'usb net redir':     usbredir}
4006 summary_info += {'OpenGL support (epoxy)': opengl}
4007 summary_info += {'GBM':               gbm}
4008 summary_info += {'libiscsi support':  libiscsi}
4009 summary_info += {'libnfs support':    libnfs}
4010 if targetos == 'windows'
4011   if have_ga
4012     summary_info += {'QGA VSS support':   have_qga_vss}
4013   endif
4014 endif
4015 summary_info += {'seccomp support':   seccomp}
4016 summary_info += {'GlusterFS support': glusterfs}
4017 summary_info += {'TPM support':       have_tpm}
4018 summary_info += {'libssh support':    libssh}
4019 summary_info += {'lzo support':       lzo}
4020 summary_info += {'snappy support':    snappy}
4021 summary_info += {'bzip2 support':     libbzip2}
4022 summary_info += {'lzfse support':     liblzfse}
4023 summary_info += {'zstd support':      zstd}
4024 summary_info += {'NUMA host support': numa}
4025 summary_info += {'capstone':          capstone}
4026 summary_info += {'libpmem support':   libpmem}
4027 summary_info += {'libdaxctl support': libdaxctl}
4028 summary_info += {'libudev':           libudev}
4029 # Dummy dependency, keep .found()
4030 summary_info += {'FUSE lseek':        fuse_lseek.found()}
4031 summary_info += {'selinux':           selinux}
4032 summary_info += {'libdw':             libdw}
4033 summary(summary_info, bool_yn: true, section: 'Dependencies')
4034
4035 if not supported_cpus.contains(cpu)
4036   message()
4037   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4038   message()
4039   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4040   message('The QEMU project intends to remove support for this host CPU in')
4041   message('a future release if nobody volunteers to maintain it and to')
4042   message('provide a build host for our continuous integration setup.')
4043   message('configure has succeeded and you can continue to build, but')
4044   message('if you care about QEMU on this platform you should contact')
4045   message('us upstream at qemu-devel@nongnu.org.')
4046 endif
4047
4048 if not supported_oses.contains(targetos)
4049   message()
4050   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4051   message()
4052   message('Host OS ' + targetos + 'support is not currently maintained.')
4053   message('The QEMU project intends to remove support for this host OS in')
4054   message('a future release if nobody volunteers to maintain it and to')
4055   message('provide a build host for our continuous integration setup.')
4056   message('configure has succeeded and you can continue to build, but')
4057   message('if you care about QEMU on this platform you should contact')
4058   message('us upstream at qemu-devel@nongnu.org.')
4059 endif