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_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2133   #include <pthread.h>
2134   #include <time.h>
2135
2136   int main(void)
2137   {
2138     pthread_condattr_t attr
2139     pthread_condattr_init(&attr);
2140     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2141     return 0;
2142   }''', dependencies: threads))
2143 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2144   #include <pthread.h>
2145
2146   static void *f(void *p) { return NULL; }
2147   int main(void)
2148   {
2149     int setsize = CPU_ALLOC_SIZE(64);
2150     pthread_t thread;
2151     cpu_set_t *cpuset;
2152     pthread_create(&thread, 0, f, 0);
2153     cpuset = CPU_ALLOC(64);
2154     CPU_ZERO_S(setsize, cpuset);
2155     pthread_setaffinity_np(thread, setsize, cpuset);
2156     pthread_getaffinity_np(thread, setsize, cpuset);
2157     CPU_FREE(cpuset);
2158     return 0;
2159   }''', dependencies: threads))
2160 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2161   #include <sys/signalfd.h>
2162   #include <stddef.h>
2163   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2164 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2165   #include <unistd.h>
2166   #include <fcntl.h>
2167   #include <limits.h>
2168
2169   int main(void)
2170   {
2171     int len, fd = 0;
2172     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2173     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2174     return 0;
2175   }'''))
2176
2177 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2178   #include <sys/mman.h>
2179   int main(void) {
2180     return mlockall(MCL_FUTURE);
2181   }'''))
2182
2183 have_l2tpv3 = false
2184 if get_option('l2tpv3').allowed() and have_system
2185   have_l2tpv3 = cc.has_type('struct mmsghdr',
2186     prefix: gnu_source_prefix + '''
2187       #include <sys/socket.h>
2188       #include <linux/ip.h>''')
2189 endif
2190 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2191
2192 have_netmap = false
2193 if get_option('netmap').allowed() and have_system
2194   have_netmap = cc.compiles('''
2195     #include <inttypes.h>
2196     #include <net/if.h>
2197     #include <net/netmap.h>
2198     #include <net/netmap_user.h>
2199     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2200     #error
2201     #endif
2202     int main(void) { return 0; }''')
2203   if not have_netmap and get_option('netmap').enabled()
2204     error('Netmap headers not available')
2205   endif
2206 endif
2207 config_host_data.set('CONFIG_NETMAP', have_netmap)
2208
2209 # Work around a system header bug with some kernel/XFS header
2210 # versions where they both try to define 'struct fsxattr':
2211 # xfs headers will not try to redefine structs from linux headers
2212 # if this macro is set.
2213 config_host_data.set('HAVE_FSXATTR', cc.links('''
2214   #include <linux/fs.h>
2215   struct fsxattr foo;
2216   int main(void) {
2217     return 0;
2218   }'''))
2219
2220 # Some versions of Mac OS X incorrectly define SIZE_MAX
2221 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2222     #include <stdint.h>
2223     #include <stdio.h>
2224     int main(void) {
2225         return printf("%zu", SIZE_MAX);
2226     }''', args: ['-Werror']))
2227
2228 atomic_test = '''
2229   #include <stdint.h>
2230   int main(void)
2231   {
2232     @0@ x = 0, y = 0;
2233     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2234     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2235     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2236     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2237     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2238     return 0;
2239   }'''
2240
2241 # See if 64-bit atomic operations are supported.
2242 # Note that without __atomic builtins, we can only
2243 # assume atomic loads/stores max at pointer size.
2244 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2245
2246 has_int128 = cc.links('''
2247   __int128_t a;
2248   __uint128_t b;
2249   int main (void) {
2250     a = a + b;
2251     b = a * b;
2252     a = a * a;
2253     return 0;
2254   }''')
2255
2256 config_host_data.set('CONFIG_INT128', has_int128)
2257
2258 if has_int128
2259   # "do we have 128-bit atomics which are handled inline and specifically not
2260   # via libatomic". The reason we can't use libatomic is documented in the
2261   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2262   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2263
2264   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2265
2266   if not has_atomic128
2267     has_cmpxchg128 = cc.links('''
2268       int main(void)
2269       {
2270         unsigned __int128 x = 0, y = 0;
2271         __sync_val_compare_and_swap_16(&x, y, x);
2272         return 0;
2273       }
2274     ''')
2275
2276     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2277   endif
2278 endif
2279
2280 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2281   #include <sys/auxv.h>
2282   int main(void) {
2283     return getauxval(AT_HWCAP) == 0;
2284   }'''))
2285
2286 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2287   #include <linux/usbdevice_fs.h>
2288
2289   #ifndef USBDEVFS_GET_CAPABILITIES
2290   #error "USBDEVFS_GET_CAPABILITIES undefined"
2291   #endif
2292
2293   #ifndef USBDEVFS_DISCONNECT_CLAIM
2294   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2295   #endif
2296
2297   int main(void) { return 0; }'''))
2298
2299 have_keyring = get_option('keyring') \
2300   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2301   .require(cc.compiles('''
2302     #include <errno.h>
2303     #include <asm/unistd.h>
2304     #include <linux/keyctl.h>
2305     #include <sys/syscall.h>
2306     #include <unistd.h>
2307     int main(void) {
2308         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2309     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2310 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2311
2312 have_cpuid_h = cc.links('''
2313   #include <cpuid.h>
2314   int main(void) {
2315     unsigned a, b, c, d;
2316     unsigned max = __get_cpuid_max(0, 0);
2317
2318     if (max >= 1) {
2319         __cpuid(1, a, b, c, d);
2320     }
2321
2322     if (max >= 7) {
2323         __cpuid_count(7, 0, a, b, c, d);
2324     }
2325
2326     return 0;
2327   }''')
2328 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2329
2330 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2331   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2332   .require(cc.links('''
2333     #include <cpuid.h>
2334     #include <immintrin.h>
2335     static int __attribute__((target("avx2"))) bar(void *a) {
2336       __m256i x = *(__m256i *)a;
2337       return _mm256_testz_si256(x, x);
2338     }
2339     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2340   '''), error_message: 'AVX2 not available').allowed())
2341
2342 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2343   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2344   .require(cc.links('''
2345     #include <cpuid.h>
2346     #include <immintrin.h>
2347     static int __attribute__((target("avx512f"))) bar(void *a) {
2348       __m512i x = *(__m512i *)a;
2349       return _mm512_test_epi64_mask(x, x);
2350     }
2351     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2352   '''), error_message: 'AVX512F not available').allowed())
2353
2354 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2355   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2356   .require(cc.links('''
2357     #pragma GCC push_options
2358     #pragma GCC target("avx512bw")
2359     #include <cpuid.h>
2360     #include <immintrin.h>
2361     static int bar(void *a) {
2362
2363       __m512i *x = a;
2364       __m512i res= _mm512_abs_epi8(*x);
2365       return res[1];
2366     }
2367     int main(int argc, char *argv[]) { return bar(argv[0]); }
2368   '''), error_message: 'AVX512BW not available').allowed())
2369
2370 have_pvrdma = get_option('pvrdma') \
2371   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2372   .require(cc.compiles(gnu_source_prefix + '''
2373     #include <sys/mman.h>
2374     int main(void)
2375     {
2376       char buf = 0;
2377       void *addr = &buf;
2378       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2379
2380       return 0;
2381     }'''), error_message: 'PVRDMA requires mremap').allowed()
2382
2383 if have_pvrdma
2384   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2385     #include <infiniband/verbs.h>
2386     int main(void)
2387     {
2388       struct ibv_mr *mr;
2389       struct ibv_pd *pd = NULL;
2390       size_t length = 10;
2391       uint64_t iova = 0;
2392       int access = 0;
2393       void *addr = NULL;
2394
2395       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2396       ibv_dereg_mr(mr);
2397       return 0;
2398     }'''))
2399 endif
2400
2401 if get_option('membarrier').disabled()
2402   have_membarrier = false
2403 elif targetos == 'windows'
2404   have_membarrier = true
2405 elif targetos == 'linux'
2406   have_membarrier = cc.compiles('''
2407     #include <linux/membarrier.h>
2408     #include <sys/syscall.h>
2409     #include <unistd.h>
2410     #include <stdlib.h>
2411     int main(void) {
2412         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2413         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2414         exit(0);
2415     }''')
2416 endif
2417 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2418   .require(have_membarrier, error_message: 'membarrier system call not available') \
2419   .allowed())
2420
2421 have_afalg = get_option('crypto_afalg') \
2422   .require(cc.compiles(gnu_source_prefix + '''
2423     #include <errno.h>
2424     #include <sys/types.h>
2425     #include <sys/socket.h>
2426     #include <linux/if_alg.h>
2427     int main(void) {
2428       int sock;
2429       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2430       return sock;
2431     }
2432   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2433 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2434
2435 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2436   'linux/vm_sockets.h', 'AF_VSOCK',
2437   prefix: '#include <sys/socket.h>',
2438 ))
2439
2440 have_vss = false
2441 have_vss_sdk = false # old xp/2003 SDK
2442 if targetos == 'windows' and link_language == 'cpp'
2443   have_vss = cxx.compiles('''
2444     #define __MIDL_user_allocate_free_DEFINED__
2445     #include <vss.h>
2446     int main(void) { return VSS_CTX_BACKUP; }''')
2447   have_vss_sdk = cxx.has_header('vscoordint.h')
2448 endif
2449 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2450
2451 foreach k, v: config_host
2452   if k.startswith('CONFIG_')
2453     config_host_data.set(k, v == 'y' ? 1 : v)
2454   endif
2455 endforeach
2456
2457 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2458 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2459 if targetos == 'windows'
2460   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2461     #include <stdio.h>
2462     int main(void) {
2463       _lock_file(NULL);
2464       _unlock_file(NULL);
2465       return 0;
2466     }''', name: '_lock_file and _unlock_file'))
2467 endif
2468
2469 ########################
2470 # Target configuration #
2471 ########################
2472
2473 minikconf = find_program('scripts/minikconf.py')
2474 config_all = {}
2475 config_all_devices = {}
2476 config_all_disas = {}
2477 config_devices_mak_list = []
2478 config_devices_h = {}
2479 config_target_h = {}
2480 config_target_mak = {}
2481
2482 disassemblers = {
2483   'alpha' : ['CONFIG_ALPHA_DIS'],
2484   'avr' : ['CONFIG_AVR_DIS'],
2485   'cris' : ['CONFIG_CRIS_DIS'],
2486   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2487   'hppa' : ['CONFIG_HPPA_DIS'],
2488   'i386' : ['CONFIG_I386_DIS'],
2489   'x86_64' : ['CONFIG_I386_DIS'],
2490   'm68k' : ['CONFIG_M68K_DIS'],
2491   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2492   'mips' : ['CONFIG_MIPS_DIS'],
2493   'nios2' : ['CONFIG_NIOS2_DIS'],
2494   'or1k' : ['CONFIG_OPENRISC_DIS'],
2495   'ppc' : ['CONFIG_PPC_DIS'],
2496   'riscv' : ['CONFIG_RISCV_DIS'],
2497   'rx' : ['CONFIG_RX_DIS'],
2498   's390' : ['CONFIG_S390_DIS'],
2499   'sh4' : ['CONFIG_SH4_DIS'],
2500   'sparc' : ['CONFIG_SPARC_DIS'],
2501   'xtensa' : ['CONFIG_XTENSA_DIS'],
2502   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2503 }
2504
2505 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2506 host_kconfig = \
2507   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2508   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2509   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2510   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2511   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2512   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2513   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2514   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2515   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2516   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2517   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2518   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2519   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2520   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2521
2522 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2523
2524 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2525 actual_target_dirs = []
2526 fdt_required = []
2527 foreach target : target_dirs
2528   config_target = { 'TARGET_NAME': target.split('-')[0] }
2529   if target.endswith('linux-user')
2530     if targetos != 'linux'
2531       if default_targets
2532         continue
2533       endif
2534       error('Target @0@ is only available on a Linux host'.format(target))
2535     endif
2536     config_target += { 'CONFIG_LINUX_USER': 'y' }
2537   elif target.endswith('bsd-user')
2538     if 'CONFIG_BSD' not in config_host
2539       if default_targets
2540         continue
2541       endif
2542       error('Target @0@ is only available on a BSD host'.format(target))
2543     endif
2544     config_target += { 'CONFIG_BSD_USER': 'y' }
2545   elif target.endswith('softmmu')
2546     config_target += { 'CONFIG_SOFTMMU': 'y' }
2547   endif
2548   if target.endswith('-user')
2549     config_target += {
2550       'CONFIG_USER_ONLY': 'y',
2551       'CONFIG_QEMU_INTERP_PREFIX':
2552         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2553     }
2554   endif
2555
2556   accel_kconfig = []
2557   foreach sym: accelerators
2558     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2559       config_target += { sym: 'y' }
2560       config_all += { sym: 'y' }
2561       if target in modular_tcg
2562         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2563       else
2564         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2565       endif
2566       accel_kconfig += [ sym + '=y' ]
2567     endif
2568   endforeach
2569   if accel_kconfig.length() == 0
2570     if default_targets
2571       continue
2572     endif
2573     error('No accelerator available for target @0@'.format(target))
2574   endif
2575
2576   actual_target_dirs += target
2577   config_target += keyval.load('configs/targets' / target + '.mak')
2578   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2579
2580   if 'TARGET_NEED_FDT' in config_target
2581     fdt_required += target
2582   endif
2583
2584   # Add default keys
2585   if 'TARGET_BASE_ARCH' not in config_target
2586     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2587   endif
2588   if 'TARGET_ABI_DIR' not in config_target
2589     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2590   endif
2591   if 'TARGET_BIG_ENDIAN' not in config_target
2592     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2593   endif
2594
2595   foreach k, v: disassemblers
2596     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2597       foreach sym: v
2598         config_target += { sym: 'y' }
2599         config_all_disas += { sym: 'y' }
2600       endforeach
2601     endif
2602   endforeach
2603
2604   config_target_data = configuration_data()
2605   foreach k, v: config_target
2606     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2607       # do nothing
2608     elif ignored.contains(k)
2609       # do nothing
2610     elif k == 'TARGET_BASE_ARCH'
2611       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2612       # not used to select files from sourcesets.
2613       config_target_data.set('TARGET_' + v.to_upper(), 1)
2614     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2615       config_target_data.set_quoted(k, v)
2616     elif v == 'y'
2617       config_target_data.set(k, 1)
2618     elif v == 'n'
2619       config_target_data.set(k, 0)
2620     else
2621       config_target_data.set(k, v)
2622     endif
2623   endforeach
2624   config_target_data.set('QEMU_ARCH',
2625                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2626   config_target_h += {target: configure_file(output: target + '-config-target.h',
2627                                                configuration: config_target_data)}
2628
2629   if target.endswith('-softmmu')
2630     config_input = meson.get_external_property(target, 'default')
2631     config_devices_mak = target + '-config-devices.mak'
2632     config_devices_mak = configure_file(
2633       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2634       output: config_devices_mak,
2635       depfile: config_devices_mak + '.d',
2636       capture: true,
2637       command: [minikconf,
2638                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2639                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2640                 host_kconfig, accel_kconfig,
2641                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2642
2643     config_devices_data = configuration_data()
2644     config_devices = keyval.load(config_devices_mak)
2645     foreach k, v: config_devices
2646       config_devices_data.set(k, 1)
2647     endforeach
2648     config_devices_mak_list += config_devices_mak
2649     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2650                                                 configuration: config_devices_data)}
2651     config_target += config_devices
2652     config_all_devices += config_devices
2653   endif
2654   config_target_mak += {target: config_target}
2655 endforeach
2656 target_dirs = actual_target_dirs
2657
2658 # This configuration is used to build files that are shared by
2659 # multiple binaries, and then extracted out of the "common"
2660 # static_library target.
2661 #
2662 # We do not use all_sources()/all_dependencies(), because it would
2663 # build literally all source files, including devices only used by
2664 # targets that are not built for this compilation.  The CONFIG_ALL
2665 # pseudo symbol replaces it.
2666
2667 config_all += config_all_devices
2668 config_all += config_host
2669 config_all += config_all_disas
2670 config_all += {
2671   'CONFIG_XEN': xen.found(),
2672   'CONFIG_SOFTMMU': have_system,
2673   'CONFIG_USER_ONLY': have_user,
2674   'CONFIG_ALL': true,
2675 }
2676
2677 target_configs_h = []
2678 foreach target: target_dirs
2679   target_configs_h += config_target_h[target]
2680   target_configs_h += config_devices_h.get(target, [])
2681 endforeach
2682 genh += custom_target('config-poison.h',
2683                       input: [target_configs_h],
2684                       output: 'config-poison.h',
2685                       capture: true,
2686                       command: [find_program('scripts/make-config-poison.sh'),
2687                                 target_configs_h])
2688
2689 ##############
2690 # Submodules #
2691 ##############
2692
2693 capstone = not_found
2694 if not get_option('capstone').auto() or have_system or have_user
2695   capstone = dependency('capstone', version: '>=3.0.5',
2696                         kwargs: static_kwargs, method: 'pkg-config',
2697                         required: get_option('capstone'))
2698
2699   # Some versions of capstone have broken pkg-config file
2700   # that reports a wrong -I path, causing the #include to
2701   # fail later. If the system has such a broken version
2702   # do not use it.
2703   if capstone.found() and not cc.compiles('#include <capstone.h>',
2704                                           dependencies: [capstone])
2705     capstone = not_found
2706     if get_option('capstone').enabled()
2707       error('capstone requested, but it does not appear to work')
2708     endif
2709   endif
2710 endif
2711
2712 libvfio_user_dep = not_found
2713 if have_system and vfio_user_server_allowed
2714   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2715
2716   if not have_internal
2717     error('libvfio-user source not found - please pull git submodule')
2718   endif
2719
2720   libvfio_user_proj = subproject('libvfio-user')
2721
2722   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2723
2724   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2725 endif
2726
2727 fdt = not_found
2728 if have_system
2729   fdt_opt = get_option('fdt')
2730   if fdt_opt in ['enabled', 'auto', 'system']
2731     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2732     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2733                           required: fdt_opt == 'system' or
2734                                     fdt_opt == 'enabled' and not have_internal)
2735     if fdt.found() and cc.links('''
2736        #include <libfdt.h>
2737        #include <libfdt_env.h>
2738        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2739          dependencies: fdt)
2740       fdt_opt = 'system'
2741     elif fdt_opt == 'system'
2742        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2743     elif have_internal
2744       fdt_opt = 'internal'
2745     else
2746       fdt_opt = 'disabled'
2747       fdt = not_found
2748     endif
2749   endif
2750   if fdt_opt == 'internal'
2751     fdt_files = files(
2752       'dtc/libfdt/fdt.c',
2753       'dtc/libfdt/fdt_ro.c',
2754       'dtc/libfdt/fdt_wip.c',
2755       'dtc/libfdt/fdt_sw.c',
2756       'dtc/libfdt/fdt_rw.c',
2757       'dtc/libfdt/fdt_strerror.c',
2758       'dtc/libfdt/fdt_empty_tree.c',
2759       'dtc/libfdt/fdt_addresses.c',
2760       'dtc/libfdt/fdt_overlay.c',
2761       'dtc/libfdt/fdt_check.c',
2762     )
2763
2764     fdt_inc = include_directories('dtc/libfdt')
2765     libfdt = static_library('fdt',
2766                             build_by_default: false,
2767                             sources: fdt_files,
2768                             include_directories: fdt_inc)
2769     fdt = declare_dependency(link_with: libfdt,
2770                              include_directories: fdt_inc)
2771   endif
2772 else
2773   fdt_opt = 'disabled'
2774 endif
2775 if not fdt.found() and fdt_required.length() > 0
2776   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2777 endif
2778
2779 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2780 config_host_data.set('CONFIG_FDT', fdt.found())
2781 config_host_data.set('CONFIG_SLIRP', slirp.found())
2782
2783 #####################
2784 # Generated sources #
2785 #####################
2786
2787 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2788
2789 hxtool = find_program('scripts/hxtool')
2790 shaderinclude = find_program('scripts/shaderinclude.py')
2791 qapi_gen = find_program('scripts/qapi-gen.py')
2792 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2793                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2794                      meson.current_source_dir() / 'scripts/qapi/common.py',
2795                      meson.current_source_dir() / 'scripts/qapi/error.py',
2796                      meson.current_source_dir() / 'scripts/qapi/events.py',
2797                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2798                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2799                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2800                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2801                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2802                      meson.current_source_dir() / 'scripts/qapi/source.py',
2803                      meson.current_source_dir() / 'scripts/qapi/types.py',
2804                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2805                      meson.current_source_dir() / 'scripts/qapi/common.py',
2806                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2807 ]
2808
2809 tracetool = [
2810   python, files('scripts/tracetool.py'),
2811    '--backend=' + ','.join(get_option('trace_backends'))
2812 ]
2813 tracetool_depends = files(
2814   'scripts/tracetool/backend/log.py',
2815   'scripts/tracetool/backend/__init__.py',
2816   'scripts/tracetool/backend/dtrace.py',
2817   'scripts/tracetool/backend/ftrace.py',
2818   'scripts/tracetool/backend/simple.py',
2819   'scripts/tracetool/backend/syslog.py',
2820   'scripts/tracetool/backend/ust.py',
2821   'scripts/tracetool/format/ust_events_c.py',
2822   'scripts/tracetool/format/ust_events_h.py',
2823   'scripts/tracetool/format/__init__.py',
2824   'scripts/tracetool/format/d.py',
2825   'scripts/tracetool/format/simpletrace_stap.py',
2826   'scripts/tracetool/format/c.py',
2827   'scripts/tracetool/format/h.py',
2828   'scripts/tracetool/format/log_stap.py',
2829   'scripts/tracetool/format/stap.py',
2830   'scripts/tracetool/__init__.py',
2831   'scripts/tracetool/transform.py',
2832   'scripts/tracetool/vcpu.py'
2833 )
2834
2835 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2836                     meson.current_source_dir(),
2837                     get_option('pkgversion'), meson.project_version()]
2838 qemu_version = custom_target('qemu-version.h',
2839                              output: 'qemu-version.h',
2840                              command: qemu_version_cmd,
2841                              capture: true,
2842                              build_by_default: true,
2843                              build_always_stale: true)
2844 genh += qemu_version
2845
2846 hxdep = []
2847 hx_headers = [
2848   ['qemu-options.hx', 'qemu-options.def'],
2849   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2850 ]
2851 if have_system
2852   hx_headers += [
2853     ['hmp-commands.hx', 'hmp-commands.h'],
2854     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2855   ]
2856 endif
2857 foreach d : hx_headers
2858   hxdep += custom_target(d[1],
2859                 input: files(d[0]),
2860                 output: d[1],
2861                 capture: true,
2862                 build_by_default: true, # to be removed when added to a target
2863                 command: [hxtool, '-h', '@INPUT0@'])
2864 endforeach
2865 genh += hxdep
2866
2867 ###################
2868 # Collect sources #
2869 ###################
2870
2871 authz_ss = ss.source_set()
2872 blockdev_ss = ss.source_set()
2873 block_ss = ss.source_set()
2874 chardev_ss = ss.source_set()
2875 common_ss = ss.source_set()
2876 crypto_ss = ss.source_set()
2877 hwcore_ss = ss.source_set()
2878 io_ss = ss.source_set()
2879 qmp_ss = ss.source_set()
2880 qom_ss = ss.source_set()
2881 softmmu_ss = ss.source_set()
2882 specific_fuzz_ss = ss.source_set()
2883 specific_ss = ss.source_set()
2884 stub_ss = ss.source_set()
2885 trace_ss = ss.source_set()
2886 user_ss = ss.source_set()
2887 util_ss = ss.source_set()
2888
2889 # accel modules
2890 qtest_module_ss = ss.source_set()
2891 tcg_module_ss = ss.source_set()
2892
2893 modules = {}
2894 target_modules = {}
2895 hw_arch = {}
2896 target_arch = {}
2897 target_softmmu_arch = {}
2898 target_user_arch = {}
2899
2900 ###############
2901 # Trace files #
2902 ###############
2903
2904 # TODO: add each directory to the subdirs from its own meson.build, once
2905 # we have those
2906 trace_events_subdirs = [
2907   'crypto',
2908   'qapi',
2909   'qom',
2910   'monitor',
2911   'util',
2912   'gdbstub',
2913 ]
2914 if have_linux_user
2915   trace_events_subdirs += [ 'linux-user' ]
2916 endif
2917 if have_bsd_user
2918   trace_events_subdirs += [ 'bsd-user' ]
2919 endif
2920 if have_block
2921   trace_events_subdirs += [
2922     'authz',
2923     'block',
2924     'io',
2925     'nbd',
2926     'scsi',
2927   ]
2928 endif
2929 if have_system
2930   trace_events_subdirs += [
2931     'accel/kvm',
2932     'audio',
2933     'backends',
2934     'backends/tpm',
2935     'chardev',
2936     'ebpf',
2937     'hw/9pfs',
2938     'hw/acpi',
2939     'hw/adc',
2940     'hw/alpha',
2941     'hw/arm',
2942     'hw/audio',
2943     'hw/block',
2944     'hw/block/dataplane',
2945     'hw/char',
2946     'hw/display',
2947     'hw/dma',
2948     'hw/hyperv',
2949     'hw/i2c',
2950     'hw/i386',
2951     'hw/i386/xen',
2952     'hw/ide',
2953     'hw/input',
2954     'hw/intc',
2955     'hw/isa',
2956     'hw/mem',
2957     'hw/mips',
2958     'hw/misc',
2959     'hw/misc/macio',
2960     'hw/net',
2961     'hw/net/can',
2962     'hw/nubus',
2963     'hw/nvme',
2964     'hw/nvram',
2965     'hw/pci',
2966     'hw/pci-host',
2967     'hw/ppc',
2968     'hw/rdma',
2969     'hw/rdma/vmw',
2970     'hw/rtc',
2971     'hw/s390x',
2972     'hw/scsi',
2973     'hw/sd',
2974     'hw/sh4',
2975     'hw/sparc',
2976     'hw/sparc64',
2977     'hw/ssi',
2978     'hw/timer',
2979     'hw/tpm',
2980     'hw/usb',
2981     'hw/vfio',
2982     'hw/virtio',
2983     'hw/watchdog',
2984     'hw/xen',
2985     'hw/gpio',
2986     'migration',
2987     'net',
2988     'softmmu',
2989     'ui',
2990     'hw/remote',
2991   ]
2992 endif
2993 if have_system or have_user
2994   trace_events_subdirs += [
2995     'accel/tcg',
2996     'hw/core',
2997     'target/arm',
2998     'target/arm/hvf',
2999     'target/hppa',
3000     'target/i386',
3001     'target/i386/kvm',
3002     'target/mips/tcg',
3003     'target/nios2',
3004     'target/ppc',
3005     'target/riscv',
3006     'target/s390x',
3007     'target/s390x/kvm',
3008     'target/sparc',
3009   ]
3010 endif
3011
3012 vhost_user = not_found
3013 if targetos == 'linux' and have_vhost_user
3014   libvhost_user = subproject('libvhost-user')
3015   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3016 endif
3017
3018 libvduse = not_found
3019 if have_libvduse
3020   libvduse_proj = subproject('libvduse')
3021   libvduse = libvduse_proj.get_variable('libvduse_dep')
3022 endif
3023
3024 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3025 # that is filled in by qapi/.
3026 subdir('qapi')
3027 subdir('qobject')
3028 subdir('stubs')
3029 subdir('trace')
3030 subdir('util')
3031 subdir('qom')
3032 subdir('authz')
3033 subdir('crypto')
3034 subdir('ui')
3035 subdir('hw')
3036 subdir('gdbstub')
3037
3038
3039 if enable_modules
3040   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3041   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3042 endif
3043
3044 qom_ss = qom_ss.apply(config_host, strict: false)
3045 libqom = static_library('qom', qom_ss.sources() + genh,
3046                         dependencies: [qom_ss.dependencies()],
3047                         name_suffix: 'fa')
3048 qom = declare_dependency(link_whole: libqom)
3049
3050 event_loop_base = files('event-loop-base.c')
3051 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3052                                  build_by_default: true)
3053 event_loop_base = declare_dependency(link_whole: event_loop_base,
3054                                      dependencies: [qom])
3055
3056 stub_ss = stub_ss.apply(config_all, strict: false)
3057
3058 util_ss.add_all(trace_ss)
3059 util_ss = util_ss.apply(config_all, strict: false)
3060 libqemuutil = static_library('qemuutil',
3061                              sources: util_ss.sources() + stub_ss.sources() + genh,
3062                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3063 qemuutil = declare_dependency(link_with: libqemuutil,
3064                               sources: genh + version_res,
3065                               dependencies: [event_loop_base])
3066
3067 if have_system or have_user
3068   decodetree = generator(find_program('scripts/decodetree.py'),
3069                          output: 'decode-@BASENAME@.c.inc',
3070                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3071   subdir('libdecnumber')
3072   subdir('target')
3073 endif
3074
3075 subdir('audio')
3076 subdir('io')
3077 subdir('chardev')
3078 subdir('fsdev')
3079 subdir('dump')
3080
3081 if have_block
3082   block_ss.add(files(
3083     'block.c',
3084     'blockjob.c',
3085     'job.c',
3086     'qemu-io-cmds.c',
3087   ))
3088   if config_host_data.get('CONFIG_REPLICATION')
3089     block_ss.add(files('replication.c'))
3090   endif
3091
3092   subdir('nbd')
3093   subdir('scsi')
3094   subdir('block')
3095
3096   blockdev_ss.add(files(
3097     'blockdev.c',
3098     'blockdev-nbd.c',
3099     'iothread.c',
3100     'job-qmp.c',
3101   ), gnutls)
3102
3103   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3104   # os-win32.c does not
3105   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3106   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3107 endif
3108
3109 common_ss.add(files('cpus-common.c'))
3110
3111 subdir('softmmu')
3112
3113 common_ss.add(capstone)
3114 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3115
3116 # Work around a gcc bug/misfeature wherein constant propagation looks
3117 # through an alias:
3118 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3119 # to guess that a const variable is always zero.  Without lto, this is
3120 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3121 # without lto, not even the alias is required -- we simply use different
3122 # declarations in different compilation units.
3123 pagevary = files('page-vary-common.c')
3124 if get_option('b_lto')
3125   pagevary_flags = ['-fno-lto']
3126   if get_option('cfi')
3127     pagevary_flags += '-fno-sanitize=cfi-icall'
3128   endif
3129   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3130                             c_args: pagevary_flags)
3131   pagevary = declare_dependency(link_with: pagevary)
3132 endif
3133 common_ss.add(pagevary)
3134 specific_ss.add(files('page-vary.c'))
3135
3136 subdir('backends')
3137 subdir('disas')
3138 subdir('migration')
3139 subdir('monitor')
3140 subdir('net')
3141 subdir('replay')
3142 subdir('semihosting')
3143 subdir('stats')
3144 subdir('tcg')
3145 subdir('fpu')
3146 subdir('accel')
3147 subdir('plugins')
3148 subdir('ebpf')
3149
3150 common_user_inc = []
3151
3152 subdir('common-user')
3153 subdir('bsd-user')
3154 subdir('linux-user')
3155
3156 # needed for fuzzing binaries
3157 subdir('tests/qtest/libqos')
3158 subdir('tests/qtest/fuzz')
3159
3160 # accel modules
3161 tcg_real_module_ss = ss.source_set()
3162 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3163 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3164 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3165                                 'tcg': tcg_real_module_ss }}
3166
3167 ########################
3168 # Library dependencies #
3169 ########################
3170
3171 modinfo_collect = find_program('scripts/modinfo-collect.py')
3172 modinfo_generate = find_program('scripts/modinfo-generate.py')
3173 modinfo_files = []
3174
3175 block_mods = []
3176 softmmu_mods = []
3177 foreach d, list : modules
3178   foreach m, module_ss : list
3179     if enable_modules and targetos != 'windows'
3180       module_ss = module_ss.apply(config_all, strict: false)
3181       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3182                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3183       if d == 'block'
3184         block_mods += sl
3185       else
3186         softmmu_mods += sl
3187       endif
3188       if module_ss.sources() != []
3189         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3190         # input. Sources can be used multiple times but objects are
3191         # unique when it comes to lookup in compile_commands.json.
3192         # Depnds on a mesion version with
3193         # https://github.com/mesonbuild/meson/pull/8900
3194         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3195                                        output: d + '-' + m + '.modinfo',
3196                                        input: module_ss.sources() + genh,
3197                                        capture: true,
3198                                        command: [modinfo_collect, module_ss.sources()])
3199       endif
3200     else
3201       if d == 'block'
3202         block_ss.add_all(module_ss)
3203       else
3204         softmmu_ss.add_all(module_ss)
3205       endif
3206     endif
3207   endforeach
3208 endforeach
3209
3210 foreach d, list : target_modules
3211   foreach m, module_ss : list
3212     if enable_modules and targetos != 'windows'
3213       foreach target : target_dirs
3214         if target.endswith('-softmmu')
3215           config_target = config_target_mak[target]
3216           config_target += config_host
3217           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3218           c_args = ['-DNEED_CPU_H',
3219                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3220                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3221           target_module_ss = module_ss.apply(config_target, strict: false)
3222           if target_module_ss.sources() != []
3223             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3224             sl = static_library(module_name,
3225                                 [genh, target_module_ss.sources()],
3226                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3227                                 include_directories: target_inc,
3228                                 c_args: c_args,
3229                                 pic: true)
3230             softmmu_mods += sl
3231             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3232             modinfo_files += custom_target(module_name + '.modinfo',
3233                                            output: module_name + '.modinfo',
3234                                            input: target_module_ss.sources() + genh,
3235                                            capture: true,
3236                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3237           endif
3238         endif
3239       endforeach
3240     else
3241       specific_ss.add_all(module_ss)
3242     endif
3243   endforeach
3244 endforeach
3245
3246 if enable_modules
3247   foreach target : target_dirs
3248     if target.endswith('-softmmu')
3249       config_target = config_target_mak[target]
3250       config_devices_mak = target + '-config-devices.mak'
3251       modinfo_src = custom_target('modinfo-' + target + '.c',
3252                                   output: 'modinfo-' + target + '.c',
3253                                   input: modinfo_files,
3254                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3255                                   capture: true)
3256
3257       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3258       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3259
3260       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3261       hw_arch[arch].add(modinfo_dep)
3262     endif
3263   endforeach
3264 endif
3265
3266 nm = find_program('nm')
3267 undefsym = find_program('scripts/undefsym.py')
3268 block_syms = custom_target('block.syms', output: 'block.syms',
3269                              input: [libqemuutil, block_mods],
3270                              capture: true,
3271                              command: [undefsym, nm, '@INPUT@'])
3272 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3273                              input: [libqemuutil, softmmu_mods],
3274                              capture: true,
3275                              command: [undefsym, nm, '@INPUT@'])
3276
3277 authz_ss = authz_ss.apply(config_host, strict: false)
3278 libauthz = static_library('authz', authz_ss.sources() + genh,
3279                           dependencies: [authz_ss.dependencies()],
3280                           name_suffix: 'fa',
3281                           build_by_default: false)
3282
3283 authz = declare_dependency(link_whole: libauthz,
3284                            dependencies: qom)
3285
3286 crypto_ss = crypto_ss.apply(config_host, strict: false)
3287 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3288                            dependencies: [crypto_ss.dependencies()],
3289                            name_suffix: 'fa',
3290                            build_by_default: false)
3291
3292 crypto = declare_dependency(link_whole: libcrypto,
3293                             dependencies: [authz, qom])
3294
3295 io_ss = io_ss.apply(config_host, strict: false)
3296 libio = static_library('io', io_ss.sources() + genh,
3297                        dependencies: [io_ss.dependencies()],
3298                        link_with: libqemuutil,
3299                        name_suffix: 'fa',
3300                        build_by_default: false)
3301
3302 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3303
3304 libmigration = static_library('migration', sources: migration_files + genh,
3305                               name_suffix: 'fa',
3306                               build_by_default: false)
3307 migration = declare_dependency(link_with: libmigration,
3308                                dependencies: [zlib, qom, io])
3309 softmmu_ss.add(migration)
3310
3311 block_ss = block_ss.apply(config_host, strict: false)
3312 libblock = static_library('block', block_ss.sources() + genh,
3313                           dependencies: block_ss.dependencies(),
3314                           link_depends: block_syms,
3315                           name_suffix: 'fa',
3316                           build_by_default: false)
3317
3318 block = declare_dependency(link_whole: [libblock],
3319                            link_args: '@block.syms',
3320                            dependencies: [crypto, io])
3321
3322 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3323 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3324                              dependencies: blockdev_ss.dependencies(),
3325                              name_suffix: 'fa',
3326                              build_by_default: false)
3327
3328 blockdev = declare_dependency(link_whole: [libblockdev],
3329                               dependencies: [block, event_loop_base])
3330
3331 qmp_ss = qmp_ss.apply(config_host, strict: false)
3332 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3333                         dependencies: qmp_ss.dependencies(),
3334                         name_suffix: 'fa',
3335                         build_by_default: false)
3336
3337 qmp = declare_dependency(link_whole: [libqmp])
3338
3339 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3340                             name_suffix: 'fa',
3341                             dependencies: chardev_ss.dependencies(),
3342                             build_by_default: false)
3343
3344 chardev = declare_dependency(link_whole: libchardev)
3345
3346 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3347 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3348                            name_suffix: 'fa',
3349                            build_by_default: false)
3350 hwcore = declare_dependency(link_whole: libhwcore)
3351 common_ss.add(hwcore)
3352
3353 ###########
3354 # Targets #
3355 ###########
3356
3357 emulator_modules = []
3358 foreach m : block_mods + softmmu_mods
3359   emulator_modules += shared_module(m.name(),
3360                 build_by_default: true,
3361                 name_prefix: '',
3362                 link_whole: m,
3363                 install: true,
3364                 install_dir: qemu_moddir)
3365 endforeach
3366 if emulator_modules.length() > 0
3367   alias_target('modules', emulator_modules)
3368 endif
3369
3370 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3371 common_ss.add(qom, qemuutil)
3372
3373 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3374 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3375
3376 common_all = common_ss.apply(config_all, strict: false)
3377 common_all = static_library('common',
3378                             build_by_default: false,
3379                             sources: common_all.sources() + genh,
3380                             include_directories: common_user_inc,
3381                             implicit_include_directories: false,
3382                             dependencies: common_all.dependencies(),
3383                             name_suffix: 'fa')
3384
3385 feature_to_c = find_program('scripts/feature_to_c.sh')
3386
3387 if targetos == 'darwin'
3388   entitlement = find_program('scripts/entitlement.sh')
3389 endif
3390
3391 emulators = {}
3392 foreach target : target_dirs
3393   config_target = config_target_mak[target]
3394   target_name = config_target['TARGET_NAME']
3395   target_base_arch = config_target['TARGET_BASE_ARCH']
3396   arch_srcs = [config_target_h[target]]
3397   arch_deps = []
3398   c_args = ['-DNEED_CPU_H',
3399             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3400             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3401   link_args = emulator_link_args
3402
3403   config_target += config_host
3404   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3405   if targetos == 'linux'
3406     target_inc += include_directories('linux-headers', is_system: true)
3407   endif
3408   if target.endswith('-softmmu')
3409     target_type='system'
3410     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3411     arch_srcs += t.sources()
3412     arch_deps += t.dependencies()
3413
3414     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3415     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3416     arch_srcs += hw.sources()
3417     arch_deps += hw.dependencies()
3418
3419     arch_srcs += config_devices_h[target]
3420     link_args += ['@block.syms', '@qemu.syms']
3421   else
3422     abi = config_target['TARGET_ABI_DIR']
3423     target_type='user'
3424     target_inc += common_user_inc
3425     if target_base_arch in target_user_arch
3426       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3427       arch_srcs += t.sources()
3428       arch_deps += t.dependencies()
3429     endif
3430     if 'CONFIG_LINUX_USER' in config_target
3431       base_dir = 'linux-user'
3432     endif
3433     if 'CONFIG_BSD_USER' in config_target
3434       base_dir = 'bsd-user'
3435       target_inc += include_directories('bsd-user/' / targetos)
3436       target_inc += include_directories('bsd-user/host/' / host_arch)
3437       dir = base_dir / abi
3438       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3439     endif
3440     target_inc += include_directories(
3441       base_dir,
3442       base_dir / abi,
3443     )
3444     if 'CONFIG_LINUX_USER' in config_target
3445       dir = base_dir / abi
3446       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3447       if config_target.has_key('TARGET_SYSTBL_ABI')
3448         arch_srcs += \
3449           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3450                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3451       endif
3452     endif
3453   endif
3454
3455   if 'TARGET_XML_FILES' in config_target
3456     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3457                                 output: target + '-gdbstub-xml.c',
3458                                 input: files(config_target['TARGET_XML_FILES'].split()),
3459                                 command: [feature_to_c, '@INPUT@'],
3460                                 capture: true)
3461     arch_srcs += gdbstub_xml
3462   endif
3463
3464   t = target_arch[target_base_arch].apply(config_target, strict: false)
3465   arch_srcs += t.sources()
3466   arch_deps += t.dependencies()
3467
3468   target_common = common_ss.apply(config_target, strict: false)
3469   objects = common_all.extract_objects(target_common.sources())
3470   deps = target_common.dependencies()
3471
3472   target_specific = specific_ss.apply(config_target, strict: false)
3473   arch_srcs += target_specific.sources()
3474   arch_deps += target_specific.dependencies()
3475
3476   lib = static_library('qemu-' + target,
3477                  sources: arch_srcs + genh,
3478                  dependencies: arch_deps,
3479                  objects: objects,
3480                  include_directories: target_inc,
3481                  c_args: c_args,
3482                  build_by_default: false,
3483                  name_suffix: 'fa')
3484
3485   if target.endswith('-softmmu')
3486     execs = [{
3487       'name': 'qemu-system-' + target_name,
3488       'win_subsystem': 'console',
3489       'sources': files('softmmu/main.c'),
3490       'dependencies': []
3491     }]
3492     if targetos == 'windows' and (sdl.found() or gtk.found())
3493       execs += [{
3494         'name': 'qemu-system-' + target_name + 'w',
3495         'win_subsystem': 'windows',
3496         'sources': files('softmmu/main.c'),
3497         'dependencies': []
3498       }]
3499     endif
3500     if get_option('fuzzing')
3501       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3502       execs += [{
3503         'name': 'qemu-fuzz-' + target_name,
3504         'win_subsystem': 'console',
3505         'sources': specific_fuzz.sources(),
3506         'dependencies': specific_fuzz.dependencies(),
3507       }]
3508     endif
3509   else
3510     execs = [{
3511       'name': 'qemu-' + target_name,
3512       'win_subsystem': 'console',
3513       'sources': [],
3514       'dependencies': []
3515     }]
3516   endif
3517   foreach exe: execs
3518     exe_name = exe['name']
3519     if targetos == 'darwin'
3520       exe_name += '-unsigned'
3521     endif
3522
3523     emulator = executable(exe_name, exe['sources'],
3524                install: true,
3525                c_args: c_args,
3526                dependencies: arch_deps + deps + exe['dependencies'],
3527                objects: lib.extract_all_objects(recursive: true),
3528                link_language: link_language,
3529                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3530                link_args: link_args,
3531                win_subsystem: exe['win_subsystem'])
3532
3533     if targetos == 'darwin'
3534       icon = 'pc-bios/qemu.rsrc'
3535       build_input = [emulator, files(icon)]
3536       install_input = [
3537         get_option('bindir') / exe_name,
3538         meson.current_source_dir() / icon
3539       ]
3540       if 'CONFIG_HVF' in config_target
3541         entitlements = 'accel/hvf/entitlements.plist'
3542         build_input += files(entitlements)
3543         install_input += meson.current_source_dir() / entitlements
3544       endif
3545
3546       emulators += {exe['name'] : custom_target(exe['name'],
3547                    input: build_input,
3548                    output: exe['name'],
3549                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3550       }
3551
3552       meson.add_install_script(entitlement, '--install',
3553                                get_option('bindir') / exe['name'],
3554                                install_input)
3555     else
3556       emulators += {exe['name']: emulator}
3557     endif
3558
3559     if stap.found()
3560       foreach stp: [
3561         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3562         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3563         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3564         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3565       ]
3566         custom_target(exe['name'] + stp['ext'],
3567                       input: trace_events_all,
3568                       output: exe['name'] + stp['ext'],
3569                       install: stp['install'],
3570                       install_dir: get_option('datadir') / 'systemtap/tapset',
3571                       command: [
3572                         tracetool, '--group=all', '--format=' + stp['fmt'],
3573                         '--binary=' + stp['bin'],
3574                         '--target-name=' + target_name,
3575                         '--target-type=' + target_type,
3576                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3577                         '@INPUT@', '@OUTPUT@'
3578                       ],
3579                       depend_files: tracetool_depends)
3580       endforeach
3581     endif
3582   endforeach
3583 endforeach
3584
3585 # Other build targets
3586
3587 if 'CONFIG_PLUGIN' in config_host
3588   install_headers('include/qemu/qemu-plugin.h')
3589 endif
3590
3591 subdir('qga')
3592
3593 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3594 # when we don't build tools or system
3595 if xkbcommon.found()
3596   # used for the update-keymaps target, so include rules even if !have_tools
3597   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3598                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3599 endif
3600
3601 if have_tools
3602   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3603              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3604   qemu_io = executable('qemu-io', files('qemu-io.c'),
3605              dependencies: [block, qemuutil], install: true)
3606   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3607                dependencies: [blockdev, qemuutil, gnutls, selinux],
3608                install: true)
3609
3610   subdir('storage-daemon')
3611   subdir('contrib/rdmacm-mux')
3612   subdir('contrib/elf2dmp')
3613
3614   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3615              dependencies: qemuutil,
3616              install: true)
3617
3618   if have_vhost_user
3619     subdir('contrib/vhost-user-blk')
3620     subdir('contrib/vhost-user-gpu')
3621     subdir('contrib/vhost-user-input')
3622     subdir('contrib/vhost-user-scsi')
3623   endif
3624
3625   if targetos == 'linux'
3626     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3627                dependencies: [qemuutil, libcap_ng],
3628                install: true,
3629                install_dir: get_option('libexecdir'))
3630
3631     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3632                dependencies: [authz, crypto, io, qom, qemuutil,
3633                               libcap_ng, mpathpersist],
3634                install: true)
3635   endif
3636
3637   if have_ivshmem
3638     subdir('contrib/ivshmem-client')
3639     subdir('contrib/ivshmem-server')
3640   endif
3641 endif
3642
3643 subdir('scripts')
3644 subdir('tools')
3645 subdir('pc-bios')
3646 subdir('docs')
3647 subdir('tests')
3648 if gtk.found()
3649   subdir('po')
3650 endif
3651
3652 if host_machine.system() == 'windows'
3653   nsis_cmd = [
3654     find_program('scripts/nsis.py'),
3655     '@OUTPUT@',
3656     get_option('prefix'),
3657     meson.current_source_dir(),
3658     config_host['GLIB_BINDIR'],
3659     host_machine.cpu(),
3660     '--',
3661     '-DDISPLAYVERSION=' + meson.project_version(),
3662   ]
3663   if build_docs
3664     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3665   endif
3666   if gtk.found()
3667     nsis_cmd += '-DCONFIG_GTK=y'
3668   endif
3669
3670   nsis = custom_target('nsis',
3671                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3672                        input: files('qemu.nsi'),
3673                        build_always_stale: true,
3674                        command: nsis_cmd + ['@INPUT@'])
3675   alias_target('installer', nsis)
3676 endif
3677
3678 #########################
3679 # Configuration summary #
3680 #########################
3681
3682 # Directories
3683 summary_info = {}
3684 summary_info += {'Install prefix':    get_option('prefix')}
3685 summary_info += {'BIOS directory':    qemu_datadir}
3686 pathsep = targetos == 'windows' ? ';' : ':'
3687 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3688 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3689 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3690 summary_info += {'module directory':  qemu_moddir}
3691 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3692 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3693 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3694 if targetos != 'windows'
3695   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3696   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3697 else
3698   summary_info += {'local state directory': 'queried at runtime'}
3699 endif
3700 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3701 summary_info += {'Build directory':   meson.current_build_dir()}
3702 summary_info += {'Source path':       meson.current_source_dir()}
3703 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3704 summary(summary_info, bool_yn: true, section: 'Directories')
3705
3706 # Host binaries
3707 summary_info = {}
3708 summary_info += {'git':               config_host['GIT']}
3709 summary_info += {'make':              config_host['MAKE']}
3710 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3711 summary_info += {'sphinx-build':      sphinx_build}
3712 if config_host.has_key('HAVE_GDB_BIN')
3713   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3714 endif
3715 summary_info += {'iasl':              iasl}
3716 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3717 if targetos == 'windows' and have_ga
3718   summary_info += {'wixl':            wixl}
3719 endif
3720 if slirp.found() and have_system
3721   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3722 endif
3723 summary(summary_info, bool_yn: true, section: 'Host binaries')
3724
3725 # Configurable features
3726 summary_info = {}
3727 summary_info += {'Documentation':     build_docs}
3728 summary_info += {'system-mode emulation': have_system}
3729 summary_info += {'user-mode emulation': have_user}
3730 summary_info += {'block layer':       have_block}
3731 summary_info += {'Install blobs':     get_option('install_blobs')}
3732 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3733 if config_host.has_key('CONFIG_MODULES')
3734   summary_info += {'alternative module path': get_option('module_upgrades')}
3735 endif
3736 summary_info += {'fuzzing support':   get_option('fuzzing')}
3737 if have_system
3738   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3739 endif
3740 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3741 if 'simple' in get_option('trace_backends')
3742   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3743 endif
3744 summary_info += {'D-Bus display':     dbus_display}
3745 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3746 summary_info += {'vhost-kernel support': have_vhost_kernel}
3747 summary_info += {'vhost-net support': have_vhost_net}
3748 summary_info += {'vhost-user support': have_vhost_user}
3749 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3750 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3751 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3752 summary_info += {'build guest agent': have_ga}
3753 summary(summary_info, bool_yn: true, section: 'Configurable features')
3754
3755 # Compilation information
3756 summary_info = {}
3757 summary_info += {'host CPU':          cpu}
3758 summary_info += {'host endianness':   build_machine.endian()}
3759 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3760 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3761 if link_language == 'cpp'
3762   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3763 else
3764   summary_info += {'C++ compiler':      false}
3765 endif
3766 if targetos == 'darwin'
3767   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3768 endif
3769 option_cflags = (get_option('debug') ? ['-g'] : [])
3770 if get_option('optimization') != 'plain'
3771   option_cflags += ['-O' + get_option('optimization')]
3772 endif
3773 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3774 if link_language == 'cpp'
3775   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3776 endif
3777 if targetos == 'darwin'
3778   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3779 endif
3780 link_args = get_option(link_language + '_link_args')
3781 if link_args.length() > 0
3782   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3783 endif
3784 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3785 if 'cpp' in all_languages
3786   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3787 endif
3788 if 'objc' in all_languages
3789   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3790 endif
3791 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3792 summary_info += {'profiler':          get_option('profiler')}
3793 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3794 summary_info += {'PIE':               get_option('b_pie')}
3795 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3796 summary_info += {'malloc trim support': has_malloc_trim}
3797 summary_info += {'membarrier':        have_membarrier}
3798 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3799 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3800 summary_info += {'memory allocator':  get_option('malloc')}
3801 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3802 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3803 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3804 if get_option('gprof')
3805   gprof_info = 'YES (deprecated)'
3806 else
3807   gprof_info = get_option('gprof')
3808 endif
3809 summary_info += {'gprof':             gprof_info}
3810 summary_info += {'gcov':              get_option('b_coverage')}
3811 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3812 summary_info += {'CFI support':       get_option('cfi')}
3813 if get_option('cfi')
3814   summary_info += {'CFI debug support': get_option('cfi_debug')}
3815 endif
3816 summary_info += {'strip binaries':    get_option('strip')}
3817 summary_info += {'sparse':            sparse}
3818 summary_info += {'mingw32 support':   targetos == 'windows'}
3819 summary(summary_info, bool_yn: true, section: 'Compilation')
3820
3821 # snarf the cross-compilation information for tests
3822 summary_info = {}
3823 have_cross = false
3824 foreach target: target_dirs
3825   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3826   if fs.exists(tcg_mak)
3827     config_cross_tcg = keyval.load(tcg_mak)
3828     if 'CC' in config_cross_tcg
3829       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3830       have_cross = true
3831     endif
3832   endif
3833 endforeach
3834 if have_cross
3835   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3836 endif
3837
3838 # Targets and accelerators
3839 summary_info = {}
3840 if have_system
3841   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3842   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3843   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3844   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3845   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3846   summary_info += {'Xen support':       xen.found()}
3847   if xen.found()
3848     summary_info += {'xen ctrl version':  xen.version()}
3849   endif
3850 endif
3851 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3852 if config_all.has_key('CONFIG_TCG')
3853   if get_option('tcg_interpreter')
3854     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3855   else
3856     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3857   endif
3858   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3859   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3860 endif
3861 summary_info += {'target list':       ' '.join(target_dirs)}
3862 if have_system
3863   summary_info += {'default devices':   get_option('default_devices')}
3864   summary_info += {'out of process emulation': multiprocess_allowed}
3865   summary_info += {'vfio-user server': vfio_user_server_allowed}
3866 endif
3867 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3868
3869 # Block layer
3870 summary_info = {}
3871 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3872 summary_info += {'coroutine pool':    have_coroutine_pool}
3873 if have_block
3874   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3875   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3876   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3877   summary_info += {'VirtFS support':    have_virtfs}
3878   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3879   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3880   summary_info += {'bochs support':     get_option('bochs').allowed()}
3881   summary_info += {'cloop support':     get_option('cloop').allowed()}
3882   summary_info += {'dmg support':       get_option('dmg').allowed()}
3883   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3884   summary_info += {'vdi support':       get_option('vdi').allowed()}
3885   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3886   summary_info += {'qed support':       get_option('qed').allowed()}
3887   summary_info += {'parallels support': get_option('parallels').allowed()}
3888   summary_info += {'FUSE exports':      fuse}
3889   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3890 endif
3891 summary(summary_info, bool_yn: true, section: 'Block layer support')
3892
3893 # Crypto
3894 summary_info = {}
3895 summary_info += {'TLS priority':      get_option('tls_priority')}
3896 summary_info += {'GNUTLS support':    gnutls}
3897 if gnutls.found()
3898   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3899 endif
3900 summary_info += {'libgcrypt':         gcrypt}
3901 summary_info += {'nettle':            nettle}
3902 if nettle.found()
3903    summary_info += {'  XTS':             xts != 'private'}
3904 endif
3905 summary_info += {'AF_ALG support':    have_afalg}
3906 summary_info += {'rng-none':          get_option('rng_none')}
3907 summary_info += {'Linux keyring':     have_keyring}
3908 summary(summary_info, bool_yn: true, section: 'Crypto')
3909
3910 # Libraries
3911 summary_info = {}
3912 if targetos == 'darwin'
3913   summary_info += {'Cocoa support':           cocoa}
3914   summary_info += {'vmnet.framework support': vmnet}
3915 endif
3916 summary_info += {'SDL support':       sdl}
3917 summary_info += {'SDL image support': sdl_image}
3918 summary_info += {'GTK support':       gtk}
3919 summary_info += {'pixman':            pixman}
3920 summary_info += {'VTE support':       vte}
3921 summary_info += {'slirp support':     slirp}
3922 summary_info += {'libtasn1':          tasn1}
3923 summary_info += {'PAM':               pam}
3924 summary_info += {'iconv support':     iconv}
3925 summary_info += {'curses support':    curses}
3926 summary_info += {'virgl support':     virgl}
3927 summary_info += {'blkio support':     blkio}
3928 summary_info += {'curl support':      curl}
3929 summary_info += {'Multipath support': mpathpersist}
3930 summary_info += {'PNG support':       png}
3931 summary_info += {'VNC support':       vnc}
3932 if vnc.found()
3933   summary_info += {'VNC SASL support':  sasl}
3934   summary_info += {'VNC JPEG support':  jpeg}
3935 endif
3936 if targetos not in ['darwin', 'haiku', 'windows']
3937   summary_info += {'OSS support':     oss}
3938   summary_info += {'sndio support':   sndio}
3939 elif targetos == 'darwin'
3940   summary_info += {'CoreAudio support': coreaudio}
3941 elif targetos == 'windows'
3942   summary_info += {'DirectSound support': dsound}
3943 endif
3944 if targetos == 'linux'
3945   summary_info += {'ALSA support':    alsa}
3946   summary_info += {'PulseAudio support': pulse}
3947 endif
3948 summary_info += {'JACK support':      jack}
3949 summary_info += {'brlapi support':    brlapi}
3950 summary_info += {'vde support':       vde}
3951 summary_info += {'netmap support':    have_netmap}
3952 summary_info += {'l2tpv3 support':    have_l2tpv3}
3953 summary_info += {'Linux AIO support': libaio}
3954 summary_info += {'Linux io_uring support': linux_io_uring}
3955 summary_info += {'ATTR/XATTR support': libattr}
3956 summary_info += {'RDMA support':      rdma}
3957 summary_info += {'PVRDMA support':    have_pvrdma}
3958 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3959 summary_info += {'libcap-ng support': libcap_ng}
3960 summary_info += {'bpf support':       libbpf}
3961 summary_info += {'spice protocol support': spice_protocol}
3962 if spice_protocol.found()
3963   summary_info += {'  spice server support': spice}
3964 endif
3965 summary_info += {'rbd support':       rbd}
3966 summary_info += {'smartcard support': cacard}
3967 summary_info += {'U2F support':       u2f}
3968 summary_info += {'libusb':            libusb}
3969 summary_info += {'usb net redir':     usbredir}
3970 summary_info += {'OpenGL support (epoxy)': opengl}
3971 summary_info += {'GBM':               gbm}
3972 summary_info += {'libiscsi support':  libiscsi}
3973 summary_info += {'libnfs support':    libnfs}
3974 if targetos == 'windows'
3975   if have_ga
3976     summary_info += {'QGA VSS support':   have_qga_vss}
3977   endif
3978 endif
3979 summary_info += {'seccomp support':   seccomp}
3980 summary_info += {'GlusterFS support': glusterfs}
3981 summary_info += {'TPM support':       have_tpm}
3982 summary_info += {'libssh support':    libssh}
3983 summary_info += {'lzo support':       lzo}
3984 summary_info += {'snappy support':    snappy}
3985 summary_info += {'bzip2 support':     libbzip2}
3986 summary_info += {'lzfse support':     liblzfse}
3987 summary_info += {'zstd support':      zstd}
3988 summary_info += {'NUMA host support': numa}
3989 summary_info += {'capstone':          capstone}
3990 summary_info += {'libpmem support':   libpmem}
3991 summary_info += {'libdaxctl support': libdaxctl}
3992 summary_info += {'libudev':           libudev}
3993 # Dummy dependency, keep .found()
3994 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3995 summary_info += {'selinux':           selinux}
3996 summary_info += {'libdw':             libdw}
3997 summary(summary_info, bool_yn: true, section: 'Dependencies')
3998
3999 if not supported_cpus.contains(cpu)
4000   message()
4001   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4002   message()
4003   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4004   message('The QEMU project intends to remove support for this host CPU in')
4005   message('a future release if nobody volunteers to maintain it and to')
4006   message('provide a build host for our continuous integration setup.')
4007   message('configure has succeeded and you can continue to build, but')
4008   message('if you care about QEMU on this platform you should contact')
4009   message('us upstream at qemu-devel@nongnu.org.')
4010 endif
4011
4012 if not supported_oses.contains(targetos)
4013   message()
4014   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4015   message()
4016   message('Host OS ' + targetos + 'support is not currently maintained.')
4017   message('The QEMU project intends to remove support for this host OS in')
4018   message('a future release if nobody volunteers to maintain it and to')
4019   message('provide a build host for our continuous integration setup.')
4020   message('configure has succeeded and you can continue to build, but')
4021   message('if you care about QEMU on this platform you should contact')
4022   message('us upstream at qemu-devel@nongnu.org.')
4023 endif