meson.build

   1 project('qemu', ['c'], meson_version: '>=0.59.3',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
   4         version: files('VERSION'))
   5
   6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
   7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
   8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
   9
  10 not_found = dependency('', required: false)
  11 keyval = import('keyval')
  12 ss = import('sourceset')
  13 fs = import('fs')
  14
  15 sh = find_program('sh')
  16 cc = meson.get_compiler('c')
  17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  18 enable_modules = 'CONFIG_MODULES' in config_host
  19 enable_static = 'CONFIG_STATIC' in config_host
  20
  21 # Allow both shared and static libraries unless --enable-static
  22 static_kwargs = enable_static ? {'static': true} : {}
  23
  24 # Temporary directory used for files created while
  25 # configure runs. Since it is in the build directory
  26 # we can safely blow away any previous version of it
  27 # (and we need not jump through hoops to try to delete
  28 # it when configure exits.)
  29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  30
  31 if get_option('qemu_suffix').startswith('/')
  32   error('qemu_suffix cannot start with a /')
  33 endif
  34
  35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  39
  40 qemu_desktopdir = get_option('datadir') / 'applications'
  41 qemu_icondir = get_option('datadir') / 'icons'
  42
  43 config_host_data = configuration_data()
  44 genh = []
  45 qapi_trace_events = []
  46
  47 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  48 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  49 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  50   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  51
  52 cpu = host_machine.cpu_family()
  53
  54 # Unify riscv* to a single family.
  55 if cpu in ['riscv32', 'riscv64']
  56   cpu = 'riscv'
  57 endif
  58
  59 targetos = host_machine.system()
  60
  61 target_dirs = config_host['TARGET_DIRS'].split()
  62 have_linux_user = false
  63 have_bsd_user = false
  64 have_system = false
  65 foreach target : target_dirs
  66   have_linux_user = have_linux_user or target.endswith('linux-user')
  67   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  68   have_system = have_system or target.endswith('-softmmu')
  69 endforeach
  70 have_user = have_linux_user or have_bsd_user
  71 have_tools = get_option('tools') \
  72   .disable_auto_if(not have_system) \
  73   .allowed()
  74 have_ga = get_option('guest_agent') \
  75   .disable_auto_if(not have_system and not have_tools) \
  76   .require(targetos in ['sunos', 'linux', 'windows'],
  77            error_message: 'unsupported OS for QEMU guest agent') \
  78   .allowed()
  79 have_block = have_system or have_tools
  80
  81 python = import('python').find_installation()
  82
  83 if cpu not in supported_cpus
  84   host_arch = 'unknown'
  85 elif cpu == 'x86'
  86   host_arch = 'i386'
  87 elif cpu == 'mips64'
  88   host_arch = 'mips'
  89 else
  90   host_arch = cpu
  91 endif
  92
  93 if cpu in ['x86', 'x86_64']
  94   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  95 elif cpu == 'aarch64'
  96   kvm_targets = ['aarch64-softmmu']
  97 elif cpu == 's390x'
  98   kvm_targets = ['s390x-softmmu']
  99 elif cpu in ['ppc', 'ppc64']
 100   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 101 elif cpu in ['mips', 'mips64']
 102   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 103 elif cpu in ['riscv']
 104   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 105 else
 106   kvm_targets = []
 107 endif
 108
 109 kvm_targets_c = '""'
 110 if get_option('kvm').allowed() and targetos == 'linux'
 111   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 112 endif
 113 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 114
 115 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 116
 117 if cpu in ['aarch64']
 118   accelerator_targets += {
 119     'CONFIG_HVF': ['aarch64-softmmu']
 120   }
 121 endif
 122
 123 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 124   # i386 emulator provides xenpv machine type for multiple architectures
 125   accelerator_targets += {
 126     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 127   }
 128 endif
 129 if cpu in ['x86', 'x86_64']
 130   accelerator_targets += {
 131     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 132     'CONFIG_HVF': ['x86_64-softmmu'],
 133     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 134     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 135   }
 136 endif
 137
 138 modular_tcg = []
 139 # Darwin does not support references to thread-local variables in modules
 140 if targetos != 'darwin'
 141   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 142 endif
 143
 144 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 145 unpack_edk2_blobs = false
 146 foreach target : edk2_targets
 147   if target in target_dirs
 148     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 149     unpack_edk2_blobs = bzip2.found()
 150     break
 151   endif
 152 endforeach
 153
 154 dtrace = not_found
 155 stap = not_found
 156 if 'dtrace' in get_option('trace_backends')
 157   dtrace = find_program('dtrace', required: true)
 158   stap = find_program('stap', required: false)
 159   if stap.found()
 160     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 161     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 162     # instead. QEMU --enable-modules depends on this because the SystemTap
 163     # semaphores are linked into the main binary and not the module's shared
 164     # object.
 165     add_global_arguments('-DSTAP_SDT_V2',
 166                          native: false, language: ['c', 'cpp', 'objc'])
 167   endif
 168 endif
 169
 170 if get_option('iasl') == ''
 171   iasl = find_program('iasl', required: false)
 172 else
 173   iasl = find_program(get_option('iasl'), required: true)
 174 endif
 175
 176 ##################
 177 # Compiler flags #
 178 ##################
 179
 180 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 181 qemu_cxxflags = config_host['QEMU_CXXFLAGS'].split()
 182 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 183 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 184
 185 if targetos == 'windows'
 186   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 187   # Disable ASLR for debug builds to allow debugging with gdb
 188   if get_option('optimization') == '0'
 189     qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
 190   endif
 191 endif
 192
 193 if get_option('gprof')
 194   qemu_cflags += ['-p']
 195   qemu_cxxflags += ['-p']
 196   qemu_objcflags += ['-p']
 197   qemu_ldflags += ['-p']
 198 endif
 199
 200 # Specify linker-script with add_project_link_arguments so that it is not placed
 201 # within a linker --start-group/--end-group pair
 202 if get_option('fuzzing')
 203   add_project_link_arguments(['-Wl,-T,',
 204                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 205                              native: false, language: ['c', 'cpp', 'objc'])
 206
 207   # Specify a filter to only instrument code that is directly related to
 208   # virtual-devices.
 209   configure_file(output: 'instrumentation-filter',
 210                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 211                  copy: true)
 212   add_global_arguments(
 213       cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
 214       native: false, language: ['c', 'cpp', 'objc'])
 215
 216   if get_option('fuzzing_engine') == ''
 217     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 218     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 219     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 220     # unable to bind the fuzzer-related callbacks added by instrumentation.
 221     add_global_arguments('-fsanitize=fuzzer-no-link',
 222                          native: false, language: ['c', 'cpp', 'objc'])
 223     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 224                               native: false, language: ['c', 'cpp', 'objc'])
 225     # For the actual fuzzer binaries, we need to link against the libfuzzer
 226     # library. They need to be configurable, to support OSS-Fuzz
 227     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 228   else
 229     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 230     # the needed CFLAGS have already been provided
 231     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 232   endif
 233 endif
 234
 235 add_global_arguments(qemu_cflags, native: false, language: ['c'])
 236 add_global_arguments(qemu_cxxflags, native: false, language: ['cpp'])
 237 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
 238 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
 239
 240 if targetos == 'linux'
 241   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 242                         '-isystem', 'linux-headers',
 243                         language: ['c', 'cpp'])
 244 endif
 245
 246 add_project_arguments('-iquote', '.',
 247                       '-iquote', meson.current_source_dir(),
 248                       '-iquote', meson.current_source_dir() / 'include',
 249                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 250                       language: ['c', 'cpp', 'objc'])
 251
 252 link_language = meson.get_external_property('link_language', 'cpp')
 253 if link_language == 'cpp'
 254   add_languages('cpp', required: true, native: false)
 255   cxx = meson.get_compiler('cpp')
 256   linker = cxx
 257 else
 258   linker = cc
 259 endif
 260 if host_machine.system() == 'darwin'
 261   add_languages('objc', required: false, native: false)
 262 endif
 263
 264 sparse = find_program('cgcc', required: get_option('sparse'))
 265 if sparse.found()
 266   run_target('sparse',
 267              command: [find_program('scripts/check_sparse.py'),
 268                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 269                        '-Wno-transparent-union', '-Wno-old-initializer',
 270                        '-Wno-non-pointer-null'])
 271 endif
 272
 273 ###########################################
 274 # Target-specific checks and dependencies #
 275 ###########################################
 276
 277 # Fuzzing
 278 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 279     not cc.links('''
 280           #include <stdint.h>
 281           #include <sys/types.h>
 282           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 283           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 284         ''',
 285         args: ['-Werror', '-fsanitize=fuzzer'])
 286   error('Your compiler does not support -fsanitize=fuzzer')
 287 endif
 288
 289 # Tracing backends
 290 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 291   error('ftrace is supported only on Linux')
 292 endif
 293 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 294     #include <syslog.h>
 295     int main(void) {
 296         openlog("qemu", LOG_PID, LOG_DAEMON);
 297         syslog(LOG_INFO, "configure");
 298         return 0;
 299     }''')
 300   error('syslog is not supported on this system')
 301 endif
 302
 303 # Miscellaneous Linux-only features
 304 get_option('mpath') \
 305   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 306
 307 multiprocess_allowed = get_option('multiprocess') \
 308   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 309   .allowed()
 310
 311 have_tpm = get_option('tpm') \
 312   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 313   .allowed()
 314
 315 # vhost
 316 have_vhost_user = get_option('vhost_user') \
 317   .disable_auto_if(targetos != 'linux') \
 318   .require(targetos != 'windows',
 319            error_message: 'vhost-user is not available on Windows').allowed()
 320 have_vhost_vdpa = get_option('vhost_vdpa') \
 321   .require(targetos == 'linux',
 322            error_message: 'vhost-vdpa is only available on Linux').allowed()
 323 have_vhost_kernel = get_option('vhost_kernel') \
 324   .require(targetos == 'linux',
 325            error_message: 'vhost-kernel is only available on Linux').allowed()
 326 have_vhost_user_crypto = get_option('vhost_crypto') \
 327   .require(have_vhost_user,
 328            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 329
 330 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 331
 332 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 333 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 334 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 335 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 336
 337 # Target-specific libraries and flags
 338 libm = cc.find_library('m', required: false)
 339 threads = dependency('threads')
 340 util = cc.find_library('util', required: false)
 341 winmm = []
 342 socket = []
 343 version_res = []
 344 coref = []
 345 iokit = []
 346 emulator_link_args = []
 347 nvmm =not_found
 348 hvf = not_found
 349 midl = not_found
 350 widl = not_found
 351 host_dsosuf = '.so'
 352 if targetos == 'windows'
 353   midl = find_program('midl', required: false)
 354   widl = find_program('widl', required: false)
 355   socket = cc.find_library('ws2_32')
 356   winmm = cc.find_library('winmm')
 357
 358   win = import('windows')
 359   version_res = win.compile_resources('version.rc',
 360                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 361                                       include_directories: include_directories('.'))
 362   host_dsosuf = '.dll'
 363 elif targetos == 'darwin'
 364   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 365   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 366   host_dsosuf = '.dylib'
 367 elif targetos == 'sunos'
 368   socket = [cc.find_library('socket'),
 369             cc.find_library('nsl'),
 370             cc.find_library('resolv')]
 371 elif targetos == 'haiku'
 372   socket = [cc.find_library('posix_error_mapper'),
 373             cc.find_library('network'),
 374             cc.find_library('bsd')]
 375 elif targetos == 'openbsd'
 376   if get_option('tcg').allowed() and target_dirs.length() > 0
 377     # Disable OpenBSD W^X if available
 378     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 379   endif
 380 endif
 381
 382 # Target-specific configuration of accelerators
 383 accelerators = []
 384 if get_option('kvm').allowed() and targetos == 'linux'
 385   accelerators += 'CONFIG_KVM'
 386 endif
 387 if get_option('whpx').allowed() and targetos == 'windows'
 388   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 389     error('WHPX requires 64-bit host')
 390   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 391        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 392     accelerators += 'CONFIG_WHPX'
 393   endif
 394 endif
 395 if get_option('hvf').allowed()
 396   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 397                    required: get_option('hvf'))
 398   if hvf.found()
 399     accelerators += 'CONFIG_HVF'
 400   endif
 401 endif
 402 if get_option('hax').allowed()
 403   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 404     accelerators += 'CONFIG_HAX'
 405   endif
 406 endif
 407 if targetos == 'netbsd'
 408   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 409   if nvmm.found()
 410     accelerators += 'CONFIG_NVMM'
 411   endif
 412 endif
 413
 414 tcg_arch = host_arch
 415 if get_option('tcg').allowed()
 416   if host_arch == 'unknown'
 417     if get_option('tcg_interpreter')
 418       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 419     else
 420       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 421     endif
 422   elif get_option('tcg_interpreter')
 423     warning('Use of the TCG interpreter is not recommended on this host')
 424     warning('architecture. There is a native TCG execution backend available')
 425     warning('which provides substantially better performance and reliability.')
 426     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 427     warning('configuration option on this architecture to use the native')
 428     warning('backend.')
 429   endif
 430   if get_option('tcg_interpreter')
 431     tcg_arch = 'tci'
 432   elif host_arch == 'sparc64'
 433     tcg_arch = 'sparc'
 434   elif host_arch == 'x86_64'
 435     tcg_arch = 'i386'
 436   elif host_arch == 'ppc64'
 437     tcg_arch = 'ppc'
 438   endif
 439   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 440                         language: ['c', 'cpp', 'objc'])
 441
 442   accelerators += 'CONFIG_TCG'
 443   config_host += { 'CONFIG_TCG': 'y' }
 444 endif
 445
 446 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 447   error('KVM not available on this platform')
 448 endif
 449 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 450   error('HVF not available on this platform')
 451 endif
 452 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 453   error('NVMM not available on this platform')
 454 endif
 455 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 456   error('WHPX not available on this platform')
 457 endif
 458
 459 ################
 460 # Dependencies #
 461 ################
 462
 463 # The path to glib.h is added to all compilation commands.  This was
 464 # grandfathered in from the QEMU Makefiles.
 465 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 466                       native: false, language: ['c', 'cpp', 'objc'])
 467 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 468                           link_args: config_host['GLIB_LIBS'].split(),
 469                           version: config_host['GLIB_VERSION'],
 470                           variables: {
 471                             'bindir': config_host['GLIB_BINDIR'],
 472                           })
 473 # override glib dep with the configure results (for subprojects)
 474 meson.override_dependency('glib-2.0', glib)
 475
 476 gio = not_found
 477 gdbus_codegen = not_found
 478 if not get_option('gio').auto() or have_system
 479   gio = dependency('gio-2.0', required: get_option('gio'),
 480                    method: 'pkg-config', kwargs: static_kwargs)
 481   if gio.found() and not cc.links('''
 482     #include <gio/gio.h>
 483     int main(void)
 484     {
 485       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 486       return 0;
 487     }''', dependencies: [glib, gio])
 488     if get_option('gio').enabled()
 489       error('The installed libgio is broken for static linking')
 490     endif
 491     gio = not_found
 492   endif
 493   if gio.found()
 494     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 495                                  required: get_option('gio'))
 496     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 497                           method: 'pkg-config', kwargs: static_kwargs)
 498     gio = declare_dependency(dependencies: [gio, gio_unix],
 499                              version: gio.version())
 500   endif
 501 endif
 502
 503 lttng = not_found
 504 if 'ust' in get_option('trace_backends')
 505   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 506                      method: 'pkg-config', kwargs: static_kwargs)
 507 endif
 508 pixman = not_found
 509 if have_system or have_tools
 510   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 511                       method: 'pkg-config', kwargs: static_kwargs)
 512 endif
 513 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 514
 515 libaio = not_found
 516 if not get_option('linux_aio').auto() or have_block
 517   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 518                            required: get_option('linux_aio'),
 519                            kwargs: static_kwargs)
 520 endif
 521
 522 linux_io_uring_test = '''
 523   #include <liburing.h>
 524   #include <linux/errqueue.h>
 525
 526   int main(void) { return 0; }'''
 527
 528 linux_io_uring = not_found
 529 if not get_option('linux_io_uring').auto() or have_block
 530   linux_io_uring = dependency('liburing', version: '>=0.3',
 531                               required: get_option('linux_io_uring'),
 532                               method: 'pkg-config', kwargs: static_kwargs)
 533   if not cc.links(linux_io_uring_test)
 534     linux_io_uring = not_found
 535   endif
 536 endif
 537
 538 libnfs = not_found
 539 if not get_option('libnfs').auto() or have_block
 540   libnfs = dependency('libnfs', version: '>=1.9.3',
 541                       required: get_option('libnfs'),
 542                       method: 'pkg-config', kwargs: static_kwargs)
 543 endif
 544
 545 libattr_test = '''
 546   #include <stddef.h>
 547   #include <sys/types.h>
 548   #ifdef CONFIG_LIBATTR
 549   #include <attr/xattr.h>
 550   #else
 551   #include <sys/xattr.h>
 552   #endif
 553   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 554
 555 libattr = not_found
 556 have_old_libattr = false
 557 if get_option('attr').allowed()
 558   if cc.links(libattr_test)
 559     libattr = declare_dependency()
 560   else
 561     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 562                               required: get_option('attr'),
 563                               kwargs: static_kwargs)
 564     if libattr.found() and not \
 565       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 566       libattr = not_found
 567       if get_option('attr').enabled()
 568         error('could not link libattr')
 569       else
 570         warning('could not link libattr, disabling')
 571       endif
 572     else
 573       have_old_libattr = libattr.found()
 574     endif
 575   endif
 576 endif
 577
 578 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 579 if cocoa.found() and get_option('sdl').enabled()
 580   error('Cocoa and SDL cannot be enabled at the same time')
 581 endif
 582 if cocoa.found() and get_option('gtk').enabled()
 583   error('Cocoa and GTK+ cannot be enabled at the same time')
 584 endif
 585
 586 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 587 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 588                                               'VMNET_BRIDGED_MODE',
 589                                               dependencies: vmnet)
 590   vmnet = not_found
 591   if get_option('vmnet').enabled()
 592     error('vmnet.framework API is outdated')
 593   else
 594     warning('vmnet.framework API is outdated, disabling')
 595   endif
 596 endif
 597
 598 seccomp = not_found
 599 if not get_option('seccomp').auto() or have_system or have_tools
 600   seccomp = dependency('libseccomp', version: '>=2.3.0',
 601                        required: get_option('seccomp'),
 602                        method: 'pkg-config', kwargs: static_kwargs)
 603 endif
 604
 605 libcap_ng = not_found
 606 if not get_option('cap_ng').auto() or have_system or have_tools
 607   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 608                               required: get_option('cap_ng'),
 609                               kwargs: static_kwargs)
 610 endif
 611 if libcap_ng.found() and not cc.links('''
 612    #include <cap-ng.h>
 613    int main(void)
 614    {
 615      capng_capability_to_name(CAPNG_EFFECTIVE);
 616      return 0;
 617    }''', dependencies: libcap_ng)
 618   libcap_ng = not_found
 619   if get_option('cap_ng').enabled()
 620     error('could not link libcap-ng')
 621   else
 622     warning('could not link libcap-ng, disabling')
 623   endif
 624 endif
 625
 626 if get_option('xkbcommon').auto() and not have_system and not have_tools
 627   xkbcommon = not_found
 628 else
 629   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 630                          method: 'pkg-config', kwargs: static_kwargs)
 631 endif
 632
 633 vde = not_found
 634 if not get_option('vde').auto() or have_system or have_tools
 635   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 636                            required: get_option('vde'),
 637                            kwargs: static_kwargs)
 638 endif
 639 if vde.found() and not cc.links('''
 640    #include <libvdeplug.h>
 641    int main(void)
 642    {
 643      struct vde_open_args a = {0, 0, 0};
 644      char s[] = "";
 645      vde_open(s, s, &a);
 646      return 0;
 647    }''', dependencies: vde)
 648   vde = not_found
 649   if get_option('cap_ng').enabled()
 650     error('could not link libvdeplug')
 651   else
 652     warning('could not link libvdeplug, disabling')
 653   endif
 654 endif
 655
 656 pulse = not_found
 657 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 658   pulse = dependency('libpulse', required: get_option('pa'),
 659                      method: 'pkg-config', kwargs: static_kwargs)
 660 endif
 661 alsa = not_found
 662 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 663   alsa = dependency('alsa', required: get_option('alsa'),
 664                     method: 'pkg-config', kwargs: static_kwargs)
 665 endif
 666 jack = not_found
 667 if not get_option('jack').auto() or have_system
 668   jack = dependency('jack', required: get_option('jack'),
 669                     method: 'pkg-config', kwargs: static_kwargs)
 670 endif
 671
 672 spice_protocol = not_found
 673 if not get_option('spice_protocol').auto() or have_system
 674   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 675                               required: get_option('spice_protocol'),
 676                               method: 'pkg-config', kwargs: static_kwargs)
 677 endif
 678 spice = not_found
 679 if not get_option('spice').auto() or have_system
 680   spice = dependency('spice-server', version: '>=0.12.5',
 681                      required: get_option('spice'),
 682                      method: 'pkg-config', kwargs: static_kwargs)
 683 endif
 684 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 685
 686 rt = cc.find_library('rt', required: false)
 687
 688 libiscsi = not_found
 689 if not get_option('libiscsi').auto() or have_block
 690   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 691                          required: get_option('libiscsi'),
 692                          method: 'pkg-config', kwargs: static_kwargs)
 693 endif
 694 zstd = not_found
 695 if not get_option('zstd').auto() or have_block
 696   zstd = dependency('libzstd', version: '>=1.4.0',
 697                     required: get_option('zstd'),
 698                     method: 'pkg-config', kwargs: static_kwargs)
 699 endif
 700 virgl = not_found
 701
 702 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 703 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 704   virgl = dependency('virglrenderer',
 705                      method: 'pkg-config',
 706                      required: get_option('virglrenderer'),
 707                      kwargs: static_kwargs)
 708 endif
 709 curl = not_found
 710 if not get_option('curl').auto() or have_block
 711   curl = dependency('libcurl', version: '>=7.29.0',
 712                     method: 'pkg-config',
 713                     required: get_option('curl'),
 714                     kwargs: static_kwargs)
 715 endif
 716 libudev = not_found
 717 if targetos == 'linux' and (have_system or have_tools)
 718   libudev = dependency('libudev',
 719                        method: 'pkg-config',
 720                        required: get_option('libudev'),
 721                        kwargs: static_kwargs)
 722 endif
 723
 724 mpathlibs = [libudev]
 725 mpathpersist = not_found
 726 mpathpersist_new_api = false
 727 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 728   mpath_test_source_new = '''
 729     #include <libudev.h>
 730     #include <mpath_persist.h>
 731     unsigned mpath_mx_alloc_len = 1024;
 732     int logsink;
 733     static struct config *multipath_conf;
 734     extern struct udev *udev;
 735     extern struct config *get_multipath_config(void);
 736     extern void put_multipath_config(struct config *conf);
 737     struct udev *udev;
 738     struct config *get_multipath_config(void) { return multipath_conf; }
 739     void put_multipath_config(struct config *conf) { }
 740     int main(void) {
 741         udev = udev_new();
 742         multipath_conf = mpath_lib_init();
 743         return 0;
 744     }'''
 745   mpath_test_source_old = '''
 746       #include <libudev.h>
 747       #include <mpath_persist.h>
 748       unsigned mpath_mx_alloc_len = 1024;
 749       int logsink;
 750       int main(void) {
 751           struct udev *udev = udev_new();
 752           mpath_lib_init(udev);
 753           return 0;
 754       }'''
 755   libmpathpersist = cc.find_library('mpathpersist',
 756                                     required: get_option('mpath'),
 757                                     kwargs: static_kwargs)
 758   if libmpathpersist.found()
 759     mpathlibs += libmpathpersist
 760     if enable_static
 761       mpathlibs += cc.find_library('devmapper',
 762                                      required: get_option('mpath'),
 763                                      kwargs: static_kwargs)
 764     endif
 765     mpathlibs += cc.find_library('multipath',
 766                                  required: get_option('mpath'),
 767                                  kwargs: static_kwargs)
 768     foreach lib: mpathlibs
 769       if not lib.found()
 770         mpathlibs = []
 771         break
 772       endif
 773     endforeach
 774     if mpathlibs.length() == 0
 775       msg = 'Dependencies missing for libmpathpersist'
 776     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 777       mpathpersist = declare_dependency(dependencies: mpathlibs)
 778       mpathpersist_new_api = true
 779     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 780       mpathpersist = declare_dependency(dependencies: mpathlibs)
 781     else
 782       msg = 'Cannot detect libmpathpersist API'
 783     endif
 784     if not mpathpersist.found()
 785       if get_option('mpath').enabled()
 786         error(msg)
 787       else
 788         warning(msg + ', disabling')
 789       endif
 790     endif
 791   endif
 792 endif
 793
 794 iconv = not_found
 795 curses = not_found
 796 if have_system and get_option('curses').allowed()
 797   curses_test = '''
 798     #if defined(__APPLE__) || defined(__OpenBSD__)
 799     #define _XOPEN_SOURCE_EXTENDED 1
 800     #endif
 801     #include <locale.h>
 802     #include <curses.h>
 803     #include <wchar.h>
 804     int main(void) {
 805       wchar_t wch = L'w';
 806       setlocale(LC_ALL, "");
 807       resize_term(0, 0);
 808       addwstr(L"wide chars\n");
 809       addnwstr(&wch, 1);
 810       add_wch(WACS_DEGREE);
 811       return 0;
 812     }'''
 813
 814   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 815   foreach curses_dep : curses_dep_list
 816     if not curses.found()
 817       curses = dependency(curses_dep,
 818                           required: false,
 819                           method: 'pkg-config',
 820                           kwargs: static_kwargs)
 821     endif
 822   endforeach
 823   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 824   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 825   if curses.found()
 826     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 827       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 828     else
 829       msg = 'curses package not usable'
 830       curses = not_found
 831     endif
 832   endif
 833   if not curses.found()
 834     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 835     if targetos != 'windows' and not has_curses_h
 836       message('Trying with /usr/include/ncursesw')
 837       curses_compile_args += ['-I/usr/include/ncursesw']
 838       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 839     endif
 840     if has_curses_h
 841       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 842       foreach curses_libname : curses_libname_list
 843         libcurses = cc.find_library(curses_libname,
 844                                     required: false,
 845                                     kwargs: static_kwargs)
 846         if libcurses.found()
 847           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 848             curses = declare_dependency(compile_args: curses_compile_args,
 849                                         dependencies: [libcurses])
 850             break
 851           else
 852             msg = 'curses library not usable'
 853           endif
 854         endif
 855       endforeach
 856     endif
 857   endif
 858   if get_option('iconv').allowed()
 859     foreach link_args : [ ['-liconv'], [] ]
 860       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 861       # We need to use libiconv if available because mixing libiconv's headers with
 862       # the system libc does not work.
 863       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 864       # included in the command line and libiconv will not be found.
 865       if cc.links('''
 866         #include <iconv.h>
 867         int main(void) {
 868           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 869           return conv != (iconv_t) -1;
 870         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 871         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 872         break
 873       endif
 874     endforeach
 875   endif
 876   if curses.found() and not iconv.found()
 877     if get_option('iconv').enabled()
 878       error('iconv not available')
 879     endif
 880     msg = 'iconv required for curses UI but not available'
 881     curses = not_found
 882   endif
 883   if not curses.found() and msg != ''
 884     if get_option('curses').enabled()
 885       error(msg)
 886     else
 887       warning(msg + ', disabling')
 888     endif
 889   endif
 890 endif
 891
 892 brlapi = not_found
 893 if not get_option('brlapi').auto() or have_system
 894   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 895                          required: get_option('brlapi'),
 896                          kwargs: static_kwargs)
 897   if brlapi.found() and not cc.links('''
 898      #include <brlapi.h>
 899      #include <stddef.h>
 900      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 901     brlapi = not_found
 902     if get_option('brlapi').enabled()
 903       error('could not link brlapi')
 904     else
 905       warning('could not link brlapi, disabling')
 906     endif
 907   endif
 908 endif
 909
 910 sdl = not_found
 911 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 912   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 913   sdl_image = not_found
 914 endif
 915 if sdl.found()
 916   # work around 2.0.8 bug
 917   sdl = declare_dependency(compile_args: '-Wno-undef',
 918                            dependencies: sdl)
 919   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 920                          method: 'pkg-config', kwargs: static_kwargs)
 921 else
 922   if get_option('sdl_image').enabled()
 923     error('sdl-image required, but SDL was @0@'.format(
 924           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 925   endif
 926   sdl_image = not_found
 927 endif
 928
 929 rbd = not_found
 930 if not get_option('rbd').auto() or have_block
 931   librados = cc.find_library('rados', required: get_option('rbd'),
 932                              kwargs: static_kwargs)
 933   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 934                            required: get_option('rbd'),
 935                            kwargs: static_kwargs)
 936   if librados.found() and librbd.found()
 937     if cc.links('''
 938       #include <stdio.h>
 939       #include <rbd/librbd.h>
 940       int main(void) {
 941         rados_t cluster;
 942         rados_create(&cluster, NULL);
 943         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 944         #error
 945         #endif
 946         return 0;
 947       }''', dependencies: [librbd, librados])
 948       rbd = declare_dependency(dependencies: [librbd, librados])
 949     elif get_option('rbd').enabled()
 950       error('librbd >= 1.12.0 required')
 951     else
 952       warning('librbd >= 1.12.0 not found, disabling')
 953     endif
 954   endif
 955 endif
 956
 957 glusterfs = not_found
 958 glusterfs_ftruncate_has_stat = false
 959 glusterfs_iocb_has_stat = false
 960 if not get_option('glusterfs').auto() or have_block
 961   glusterfs = dependency('glusterfs-api', version: '>=3',
 962                          required: get_option('glusterfs'),
 963                          method: 'pkg-config', kwargs: static_kwargs)
 964   if glusterfs.found()
 965     glusterfs_ftruncate_has_stat = cc.links('''
 966       #include <glusterfs/api/glfs.h>
 967
 968       int
 969       main(void)
 970       {
 971           /* new glfs_ftruncate() passes two additional args */
 972           return glfs_ftruncate(NULL, 0, NULL, NULL);
 973       }
 974     ''', dependencies: glusterfs)
 975     glusterfs_iocb_has_stat = cc.links('''
 976       #include <glusterfs/api/glfs.h>
 977
 978       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 979       static void
 980       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 981       {}
 982
 983       int
 984       main(void)
 985       {
 986           glfs_io_cbk iocb = &glusterfs_iocb;
 987           iocb(NULL, 0 , NULL, NULL, NULL);
 988           return 0;
 989       }
 990     ''', dependencies: glusterfs)
 991   endif
 992 endif
 993
 994 libssh = not_found
 995 if not get_option('libssh').auto() or have_block
 996   libssh = dependency('libssh', version: '>=0.8.7',
 997                     method: 'pkg-config',
 998                     required: get_option('libssh'),
 999                     kwargs: static_kwargs)
1000 endif
1001
1002 libbzip2 = not_found
1003 if not get_option('bzip2').auto() or have_block
1004   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1005                              required: get_option('bzip2'),
1006                              kwargs: static_kwargs)
1007   if libbzip2.found() and not cc.links('''
1008      #include <bzlib.h>
1009      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1010     libbzip2 = not_found
1011     if get_option('bzip2').enabled()
1012       error('could not link libbzip2')
1013     else
1014       warning('could not link libbzip2, disabling')
1015     endif
1016   endif
1017 endif
1018
1019 liblzfse = not_found
1020 if not get_option('lzfse').auto() or have_block
1021   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1022                              required: get_option('lzfse'),
1023                              kwargs: static_kwargs)
1024 endif
1025 if liblzfse.found() and not cc.links('''
1026    #include <lzfse.h>
1027    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1028   liblzfse = not_found
1029   if get_option('lzfse').enabled()
1030     error('could not link liblzfse')
1031   else
1032     warning('could not link liblzfse, disabling')
1033   endif
1034 endif
1035
1036 oss = not_found
1037 if get_option('oss').allowed() and have_system
1038   if not cc.has_header('sys/soundcard.h')
1039     # not found
1040   elif targetos == 'netbsd'
1041     oss = cc.find_library('ossaudio', required: get_option('oss'),
1042                           kwargs: static_kwargs)
1043   else
1044     oss = declare_dependency()
1045   endif
1046
1047   if not oss.found()
1048     if get_option('oss').enabled()
1049       error('OSS not found')
1050     endif
1051   endif
1052 endif
1053 dsound = not_found
1054 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1055   if cc.has_header('dsound.h')
1056     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1057   endif
1058
1059   if not dsound.found()
1060     if get_option('dsound').enabled()
1061       error('DirectSound not found')
1062     endif
1063   endif
1064 endif
1065
1066 coreaudio = not_found
1067 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1068   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1069                          required: get_option('coreaudio'))
1070 endif
1071
1072 opengl = not_found
1073 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1074   epoxy = dependency('epoxy', method: 'pkg-config',
1075                       required: get_option('opengl'), kwargs: static_kwargs)
1076   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1077     opengl = epoxy
1078   elif get_option('opengl').enabled()
1079     error('epoxy/egl.h not found')
1080   endif
1081 endif
1082 gbm = not_found
1083 if (have_system or have_tools) and (virgl.found() or opengl.found())
1084   gbm = dependency('gbm', method: 'pkg-config', required: false,
1085                    kwargs: static_kwargs)
1086 endif
1087 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1088
1089 gnutls = not_found
1090 gnutls_crypto = not_found
1091 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1092   # For general TLS support our min gnutls matches
1093   # that implied by our platform support matrix
1094   #
1095   # For the crypto backends, we look for a newer
1096   # gnutls:
1097   #
1098   #   Version 3.6.8  is needed to get XTS
1099   #   Version 3.6.13 is needed to get PBKDF
1100   #   Version 3.6.14 is needed to get HW accelerated XTS
1101   #
1102   # If newer enough gnutls isn't available, we can
1103   # still use a different crypto backend to satisfy
1104   # the platform support requirements
1105   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1106                              method: 'pkg-config',
1107                              required: false,
1108                              kwargs: static_kwargs)
1109   if gnutls_crypto.found()
1110     gnutls = gnutls_crypto
1111   else
1112     # Our min version if all we need is TLS
1113     gnutls = dependency('gnutls', version: '>=3.5.18',
1114                         method: 'pkg-config',
1115                         required: get_option('gnutls'),
1116                         kwargs: static_kwargs)
1117   endif
1118 endif
1119
1120 # We prefer use of gnutls for crypto, unless the options
1121 # explicitly asked for nettle or gcrypt.
1122 #
1123 # If gnutls isn't available for crypto, then we'll prefer
1124 # gcrypt over nettle for performance reasons.
1125 gcrypt = not_found
1126 nettle = not_found
1127 hogweed = not_found
1128 xts = 'none'
1129
1130 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1131   error('Only one of gcrypt & nettle can be enabled')
1132 endif
1133
1134 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1135 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1136   gnutls_crypto = not_found
1137 endif
1138
1139 if not gnutls_crypto.found()
1140   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1141     gcrypt = dependency('libgcrypt', version: '>=1.8',
1142                         method: 'config-tool',
1143                         required: get_option('gcrypt'),
1144                         kwargs: static_kwargs)
1145     # Debian has removed -lgpg-error from libgcrypt-config
1146     # as it "spreads unnecessary dependencies" which in
1147     # turn breaks static builds...
1148     if gcrypt.found() and enable_static
1149       gcrypt = declare_dependency(dependencies: [
1150         gcrypt,
1151         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1152     endif
1153   endif
1154   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1155     nettle = dependency('nettle', version: '>=3.4',
1156                         method: 'pkg-config',
1157                         required: get_option('nettle'),
1158                         kwargs: static_kwargs)
1159     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1160       xts = 'private'
1161     endif
1162   endif
1163 endif
1164
1165 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1166 if nettle.found() and gmp.found()
1167   hogweed = dependency('hogweed', version: '>=3.4',
1168                        method: 'pkg-config',
1169                        required: get_option('nettle'),
1170                        kwargs: static_kwargs)
1171 endif
1172
1173
1174 gtk = not_found
1175 gtkx11 = not_found
1176 vte = not_found
1177 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1178   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1179                    method: 'pkg-config',
1180                    required: get_option('gtk'),
1181                    kwargs: static_kwargs)
1182   if gtk.found()
1183     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1184                         method: 'pkg-config',
1185                         required: false,
1186                         kwargs: static_kwargs)
1187     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1188
1189     if not get_option('vte').auto() or have_system
1190       vte = dependency('vte-2.91',
1191                        method: 'pkg-config',
1192                        required: get_option('vte'),
1193                        kwargs: static_kwargs)
1194     endif
1195   endif
1196 endif
1197
1198 x11 = not_found
1199 if gtkx11.found()
1200   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1201                    kwargs: static_kwargs)
1202 endif
1203 png = not_found
1204 if get_option('png').allowed() and have_system
1205    png = dependency('libpng', required: get_option('png'),
1206                     method: 'pkg-config', kwargs: static_kwargs)
1207 endif
1208 vnc = not_found
1209 jpeg = not_found
1210 sasl = not_found
1211 if get_option('vnc').allowed() and have_system
1212   vnc = declare_dependency() # dummy dependency
1213   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1214                     method: 'pkg-config', kwargs: static_kwargs)
1215   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1216                          required: get_option('vnc_sasl'),
1217                          kwargs: static_kwargs)
1218   if sasl.found()
1219     sasl = declare_dependency(dependencies: sasl,
1220                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1221   endif
1222 endif
1223
1224 pam = not_found
1225 if not get_option('auth_pam').auto() or have_system
1226   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1227                         required: get_option('auth_pam'),
1228                         kwargs: static_kwargs)
1229 endif
1230 if pam.found() and not cc.links('''
1231    #include <stddef.h>
1232    #include <security/pam_appl.h>
1233    int main(void) {
1234      const char *service_name = "qemu";
1235      const char *user = "frank";
1236      const struct pam_conv pam_conv = { 0 };
1237      pam_handle_t *pamh = NULL;
1238      pam_start(service_name, user, &pam_conv, &pamh);
1239      return 0;
1240    }''', dependencies: pam)
1241   pam = not_found
1242   if get_option('auth_pam').enabled()
1243     error('could not link libpam')
1244   else
1245     warning('could not link libpam, disabling')
1246   endif
1247 endif
1248
1249 snappy = not_found
1250 if not get_option('snappy').auto() or have_system
1251   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1252                            required: get_option('snappy'),
1253                            kwargs: static_kwargs)
1254 endif
1255 if snappy.found() and not linker.links('''
1256    #include <snappy-c.h>
1257    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1258   snappy = not_found
1259   if get_option('snappy').enabled()
1260     error('could not link libsnappy')
1261   else
1262     warning('could not link libsnappy, disabling')
1263   endif
1264 endif
1265
1266 lzo = not_found
1267 if not get_option('lzo').auto() or have_system
1268   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1269                         required: get_option('lzo'),
1270                         kwargs: static_kwargs)
1271 endif
1272 if lzo.found() and not cc.links('''
1273    #include <lzo/lzo1x.h>
1274    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1275   lzo = not_found
1276   if get_option('lzo').enabled()
1277     error('could not link liblzo2')
1278   else
1279     warning('could not link liblzo2, disabling')
1280   endif
1281 endif
1282
1283 numa = not_found
1284 if not get_option('numa').auto() or have_system or have_tools
1285   numa = cc.find_library('numa', has_headers: ['numa.h'],
1286                               required: get_option('numa'),
1287                               kwargs: static_kwargs)
1288 endif
1289 if numa.found() and not cc.links('''
1290    #include <numa.h>
1291    int main(void) { return numa_available(); }
1292    ''', dependencies: numa)
1293   numa = not_found
1294   if get_option('numa').enabled()
1295     error('could not link numa')
1296   else
1297     warning('could not link numa, disabling')
1298   endif
1299 endif
1300
1301 rdma = not_found
1302 if not get_option('rdma').auto() or have_system
1303   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1304   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1305                                required: get_option('rdma'),
1306                                kwargs: static_kwargs),
1307                cc.find_library('ibverbs', required: get_option('rdma'),
1308                                kwargs: static_kwargs),
1309                libumad]
1310   rdma = declare_dependency(dependencies: rdma_libs)
1311   foreach lib: rdma_libs
1312     if not lib.found()
1313       rdma = not_found
1314     endif
1315   endforeach
1316 endif
1317
1318 xen = not_found
1319 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1320   xencontrol = dependency('xencontrol', required: false,
1321                           method: 'pkg-config', kwargs: static_kwargs)
1322   if xencontrol.found()
1323     xen_pc = declare_dependency(version: xencontrol.version(),
1324       dependencies: [
1325         xencontrol,
1326         # disabler: true makes xen_pc.found() return false if any is not found
1327         dependency('xenstore', required: false,
1328                    method: 'pkg-config', kwargs: static_kwargs,
1329                    disabler: true),
1330         dependency('xenforeignmemory', required: false,
1331                    method: 'pkg-config', kwargs: static_kwargs,
1332                    disabler: true),
1333         dependency('xengnttab', required: false,
1334                    method: 'pkg-config', kwargs: static_kwargs,
1335                    disabler: true),
1336         dependency('xenevtchn', required: false,
1337                    method: 'pkg-config', kwargs: static_kwargs,
1338                    disabler: true),
1339         dependency('xendevicemodel', required: false,
1340                    method: 'pkg-config', kwargs: static_kwargs,
1341                    disabler: true),
1342         # optional, no "disabler: true"
1343         dependency('xentoolcore', required: false,
1344                    method: 'pkg-config', kwargs: static_kwargs)])
1345     if xen_pc.found()
1346       xen = xen_pc
1347     endif
1348   endif
1349   if not xen.found()
1350     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' ]
1351     xen_libs = {
1352       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1353       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1354       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1355       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1356       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1357       '4.6.0': [ 'xenstore', 'xenctrl' ],
1358       '4.5.0': [ 'xenstore', 'xenctrl' ],
1359       '4.2.0': [ 'xenstore', 'xenctrl' ],
1360     }
1361     xen_deps = {}
1362     foreach ver: xen_tests
1363       # cache the various library tests to avoid polluting the logs
1364       xen_test_deps = []
1365       foreach l: xen_libs[ver]
1366         if l not in xen_deps
1367           xen_deps += { l: cc.find_library(l, required: false) }
1368         endif
1369         xen_test_deps += xen_deps[l]
1370       endforeach
1371
1372       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1373       xen_version = ver.split('.')
1374       xen_ctrl_version = xen_version[0] + \
1375         ('0' + xen_version[1]).substring(-2) + \
1376         ('0' + xen_version[2]).substring(-2)
1377       if cc.links(files('scripts/xen-detect.c'),
1378                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1379                   dependencies: xen_test_deps)
1380         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1381         break
1382       endif
1383     endforeach
1384   endif
1385   if xen.found()
1386     accelerators += 'CONFIG_XEN'
1387   elif get_option('xen').enabled()
1388     error('could not compile and link Xen test program')
1389   endif
1390 endif
1391 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1392   .require(xen.found(),
1393            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1394   .require(targetos == 'linux',
1395            error_message: 'Xen PCI passthrough not available on this platform') \
1396   .allowed()
1397
1398
1399 cacard = not_found
1400 if not get_option('smartcard').auto() or have_system
1401   cacard = dependency('libcacard', required: get_option('smartcard'),
1402                       version: '>=2.5.1', method: 'pkg-config',
1403                       kwargs: static_kwargs)
1404 endif
1405 u2f = not_found
1406 if have_system
1407   u2f = dependency('u2f-emu', required: get_option('u2f'),
1408                    method: 'pkg-config',
1409                    kwargs: static_kwargs)
1410 endif
1411 usbredir = not_found
1412 if not get_option('usb_redir').auto() or have_system
1413   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1414                         version: '>=0.6', method: 'pkg-config',
1415                         kwargs: static_kwargs)
1416 endif
1417 libusb = not_found
1418 if not get_option('libusb').auto() or have_system
1419   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1420                       version: '>=1.0.13', method: 'pkg-config',
1421                       kwargs: static_kwargs)
1422 endif
1423
1424 libpmem = not_found
1425 if not get_option('libpmem').auto() or have_system
1426   libpmem = dependency('libpmem', required: get_option('libpmem'),
1427                        method: 'pkg-config', kwargs: static_kwargs)
1428 endif
1429 libdaxctl = not_found
1430 if not get_option('libdaxctl').auto() or have_system
1431   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1432                          version: '>=57', method: 'pkg-config',
1433                          kwargs: static_kwargs)
1434 endif
1435 tasn1 = not_found
1436 if gnutls.found()
1437   tasn1 = dependency('libtasn1',
1438                      method: 'pkg-config',
1439                      kwargs: static_kwargs)
1440 endif
1441 keyutils = dependency('libkeyutils', required: false,
1442                       method: 'pkg-config', kwargs: static_kwargs)
1443
1444 has_gettid = cc.has_function('gettid')
1445
1446 # libselinux
1447 selinux = dependency('libselinux',
1448                      required: get_option('selinux'),
1449                      method: 'pkg-config', kwargs: static_kwargs)
1450
1451 # Malloc tests
1452
1453 malloc = []
1454 if get_option('malloc') == 'system'
1455   has_malloc_trim = \
1456     get_option('malloc_trim').allowed() and \
1457     cc.links('''#include <malloc.h>
1458                 int main(void) { malloc_trim(0); return 0; }''')
1459 else
1460   has_malloc_trim = false
1461   malloc = cc.find_library(get_option('malloc'), required: true)
1462 endif
1463 if not has_malloc_trim and get_option('malloc_trim').enabled()
1464   if get_option('malloc') == 'system'
1465     error('malloc_trim not available on this platform.')
1466   else
1467     error('malloc_trim not available with non-libc memory allocator')
1468   endif
1469 endif
1470
1471 # Check whether the glibc provides statx()
1472
1473 gnu_source_prefix = '''
1474   #ifndef _GNU_SOURCE
1475   #define _GNU_SOURCE
1476   #endif
1477 '''
1478 statx_test = gnu_source_prefix + '''
1479   #include <sys/stat.h>
1480   int main(void) {
1481     struct statx statxbuf;
1482     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1483     return 0;
1484   }'''
1485
1486 has_statx = cc.links(statx_test)
1487
1488 # Check whether statx() provides mount ID information
1489
1490 statx_mnt_id_test = gnu_source_prefix + '''
1491   #include <sys/stat.h>
1492   int main(void) {
1493     struct statx statxbuf;
1494     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1495     return statxbuf.stx_mnt_id;
1496   }'''
1497
1498 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1499
1500 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1501   .require(targetos == 'linux',
1502            error_message: 'vhost_user_blk_server requires linux') \
1503   .require(have_vhost_user,
1504            error_message: 'vhost_user_blk_server requires vhost-user support') \
1505   .disable_auto_if(not have_system) \
1506   .allowed()
1507
1508 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1509   error('Cannot enable fuse-lseek while fuse is disabled')
1510 endif
1511
1512 fuse = dependency('fuse3', required: get_option('fuse'),
1513                   version: '>=3.1', method: 'pkg-config',
1514                   kwargs: static_kwargs)
1515
1516 fuse_lseek = not_found
1517 if get_option('fuse_lseek').allowed()
1518   if fuse.version().version_compare('>=3.8')
1519     # Dummy dependency
1520     fuse_lseek = declare_dependency()
1521   elif get_option('fuse_lseek').enabled()
1522     if fuse.found()
1523       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1524     else
1525       error('fuse-lseek requires libfuse, which was not found')
1526     endif
1527   endif
1528 endif
1529
1530 # libbpf
1531 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1532 if libbpf.found() and not cc.links('''
1533    #include <bpf/libbpf.h>
1534    int main(void)
1535    {
1536      bpf_object__destroy_skeleton(NULL);
1537      return 0;
1538    }''', dependencies: libbpf)
1539   libbpf = not_found
1540   if get_option('bpf').enabled()
1541     error('libbpf skeleton test failed')
1542   else
1543     warning('libbpf skeleton test failed, disabling')
1544   endif
1545 endif
1546
1547 #################
1548 # config-host.h #
1549 #################
1550
1551 audio_drivers_selected = []
1552 if have_system
1553   audio_drivers_available = {
1554     'alsa': alsa.found(),
1555     'coreaudio': coreaudio.found(),
1556     'dsound': dsound.found(),
1557     'jack': jack.found(),
1558     'oss': oss.found(),
1559     'pa': pulse.found(),
1560     'sdl': sdl.found(),
1561   }
1562   foreach k, v: audio_drivers_available
1563     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1564   endforeach
1565
1566   # Default to native drivers first, OSS second, SDL third
1567   audio_drivers_priority = \
1568     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1569     (targetos == 'linux' ? [] : [ 'sdl' ])
1570   audio_drivers_default = []
1571   foreach k: audio_drivers_priority
1572     if audio_drivers_available[k]
1573       audio_drivers_default += k
1574     endif
1575   endforeach
1576
1577   foreach k: get_option('audio_drv_list')
1578     if k == 'default'
1579       audio_drivers_selected += audio_drivers_default
1580     elif not audio_drivers_available[k]
1581       error('Audio driver "@0@" not available.'.format(k))
1582     else
1583       audio_drivers_selected += k
1584     endif
1585   endforeach
1586 endif
1587 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1588                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1589
1590 if get_option('cfi')
1591   cfi_flags=[]
1592   # Check for dependency on LTO
1593   if not get_option('b_lto')
1594     error('Selected Control-Flow Integrity but LTO is disabled')
1595   endif
1596   if config_host.has_key('CONFIG_MODULES')
1597     error('Selected Control-Flow Integrity is not compatible with modules')
1598   endif
1599   # Check for cfi flags. CFI requires LTO so we can't use
1600   # get_supported_arguments, but need a more complex "compiles" which allows
1601   # custom arguments
1602   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1603                  args: ['-flto', '-fsanitize=cfi-icall'] )
1604     cfi_flags += '-fsanitize=cfi-icall'
1605   else
1606     error('-fsanitize=cfi-icall is not supported by the compiler')
1607   endif
1608   if cc.compiles('int main () { return 0; }',
1609                  name: '-fsanitize-cfi-icall-generalize-pointers',
1610                  args: ['-flto', '-fsanitize=cfi-icall',
1611                         '-fsanitize-cfi-icall-generalize-pointers'] )
1612     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1613   else
1614     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1615   endif
1616   if get_option('cfi_debug')
1617     if cc.compiles('int main () { return 0; }',
1618                    name: '-fno-sanitize-trap=cfi-icall',
1619                    args: ['-flto', '-fsanitize=cfi-icall',
1620                           '-fno-sanitize-trap=cfi-icall'] )
1621       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1622     else
1623       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1624     endif
1625   endif
1626   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1627   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1628 endif
1629
1630 have_host_block_device = (targetos != 'darwin' or
1631     cc.has_header('IOKit/storage/IOMedia.h'))
1632
1633 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1634 dbus_display = get_option('dbus_display') \
1635   .require(gio.version().version_compare('>=2.64'),
1636            error_message: '-display dbus requires glib>=2.64') \
1637   .require(enable_modules,
1638            error_message: '-display dbus requires --enable-modules') \
1639   .require(gdbus_codegen.found(),
1640            error_message: '-display dbus requires gdbus-codegen') \
1641   .allowed()
1642
1643 have_virtfs = get_option('virtfs') \
1644     .require(targetos == 'linux' or targetos == 'darwin',
1645              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1646     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1647              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1648     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1649              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1650     .disable_auto_if(not have_tools and not have_system) \
1651     .allowed()
1652
1653 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1654
1655 if get_option('block_drv_ro_whitelist') == ''
1656   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1657 else
1658   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1659         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1660 endif
1661 if get_option('block_drv_rw_whitelist') == ''
1662   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1663 else
1664   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1665         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1666 endif
1667
1668 foreach k : get_option('trace_backends')
1669   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1670 endforeach
1671 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1672 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1673 if iasl.found()
1674   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1675 endif
1676 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1677 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1678 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1679 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1680 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1681 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1682 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1683 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1684 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1685 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1686 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1687 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1688
1689 if config_host.has_key('CONFIG_MODULES')
1690   config_host_data.set('CONFIG_STAMP', run_command(
1691       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1692       meson.project_version(), get_option('pkgversion'), '--',
1693       meson.current_source_dir() / 'configure',
1694       capture: true, check: true).stdout().strip())
1695 endif
1696
1697 have_slirp_smbd = get_option('slirp_smbd') \
1698   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1699   .allowed()
1700 if have_slirp_smbd
1701   smbd_path = get_option('smbd')
1702   if smbd_path == ''
1703     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1704   endif
1705   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1706 endif
1707
1708 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1709
1710 if get_option('module_upgrades') and not enable_modules
1711   error('Cannot enable module-upgrades as modules are not enabled')
1712 endif
1713 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1714
1715 config_host_data.set('CONFIG_ATTR', libattr.found())
1716 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1717 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1718 config_host_data.set('CONFIG_COCOA', cocoa.found())
1719 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1720 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1721 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1722 config_host_data.set('CONFIG_LZO', lzo.found())
1723 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1724 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1725 config_host_data.set('CONFIG_CURL', curl.found())
1726 config_host_data.set('CONFIG_CURSES', curses.found())
1727 config_host_data.set('CONFIG_GBM', gbm.found())
1728 config_host_data.set('CONFIG_GIO', gio.found())
1729 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1730 if glusterfs.found()
1731   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1732   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1733   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1734   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1735   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1736   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1737 endif
1738 config_host_data.set('CONFIG_GTK', gtk.found())
1739 config_host_data.set('CONFIG_VTE', vte.found())
1740 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1741 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1742 config_host_data.set('CONFIG_EBPF', libbpf.found())
1743 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1744 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1745 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1746 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1747 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1748 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1749 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1750 config_host_data.set('CONFIG_NUMA', numa.found())
1751 config_host_data.set('CONFIG_OPENGL', opengl.found())
1752 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1753 config_host_data.set('CONFIG_RBD', rbd.found())
1754 config_host_data.set('CONFIG_RDMA', rdma.found())
1755 config_host_data.set('CONFIG_SDL', sdl.found())
1756 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1757 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1758 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1759 config_host_data.set('CONFIG_TPM', have_tpm)
1760 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1761 config_host_data.set('CONFIG_VDE', vde.found())
1762 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1763 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1764 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1765 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1766 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1767 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1768 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1769 config_host_data.set('CONFIG_VMNET', vmnet.found())
1770 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1771 config_host_data.set('CONFIG_PNG', png.found())
1772 config_host_data.set('CONFIG_VNC', vnc.found())
1773 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1774 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1775 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1776 config_host_data.set('CONFIG_VTE', vte.found())
1777 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1778 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1779 config_host_data.set('CONFIG_GETTID', has_gettid)
1780 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1781 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1782 config_host_data.set('CONFIG_TASN1', tasn1.found())
1783 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1784 config_host_data.set('CONFIG_NETTLE', nettle.found())
1785 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1786 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1787 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1788 config_host_data.set('CONFIG_STATX', has_statx)
1789 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1790 config_host_data.set('CONFIG_ZSTD', zstd.found())
1791 config_host_data.set('CONFIG_FUSE', fuse.found())
1792 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1793 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1794 if spice_protocol.found()
1795 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1796 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1797 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1798 endif
1799 config_host_data.set('CONFIG_SPICE', spice.found())
1800 config_host_data.set('CONFIG_X11', x11.found())
1801 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1802 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1803 config_host_data.set('CONFIG_SELINUX', selinux.found())
1804 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1805 if xen.found()
1806   # protect from xen.version() having less than three components
1807   xen_version = xen.version().split('.') + ['0', '0']
1808   xen_ctrl_version = xen_version[0] + \
1809     ('0' + xen_version[1]).substring(-2) + \
1810     ('0' + xen_version[2]).substring(-2)
1811   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1812 endif
1813 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1814 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1815 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1816 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1817
1818 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1819 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1820
1821 have_coroutine_pool = get_option('coroutine_pool')
1822 if get_option('debug_stack_usage') and have_coroutine_pool
1823   message('Disabling coroutine pool to measure stack usage')
1824   have_coroutine_pool = false
1825 endif
1826 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1827 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1828 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1829 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1830 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1831 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1832 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1833
1834 # has_header
1835 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1836 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1837 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1838 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1839 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1840 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1841 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1842 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1843 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1844
1845 # has_function
1846 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1847 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1848 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1849 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1850 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1851 # Note that we need to specify prefix: here to avoid incorrectly
1852 # thinking that Windows has posix_memalign()
1853 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1854 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1855 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1856 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1857 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1858 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1859 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1860 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1861 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1862 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1863 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1864 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1865 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1866 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1867 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1868 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1869 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1870 if rdma.found()
1871   config_host_data.set('HAVE_IBV_ADVISE_MR',
1872                        cc.has_function('ibv_advise_mr',
1873                                        dependencies: rdma,
1874                                        prefix: '#include <infiniband/verbs.h>'))
1875 endif
1876
1877 # has_header_symbol
1878 config_host_data.set('CONFIG_BYTESWAP_H',
1879                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1880 config_host_data.set('CONFIG_EPOLL_CREATE1',
1881                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1882 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1883                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1884                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1885 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1886                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1887 config_host_data.set('CONFIG_FIEMAP',
1888                      cc.has_header('linux/fiemap.h') and
1889                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1890 config_host_data.set('CONFIG_GETRANDOM',
1891                      cc.has_function('getrandom') and
1892                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1893 config_host_data.set('CONFIG_INOTIFY',
1894                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1895 config_host_data.set('CONFIG_INOTIFY1',
1896                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1897 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1898                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1899                                           prefix: '''#include <sys/endian.h>
1900                                                      #include <sys/types.h>'''))
1901 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1902                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1903 config_host_data.set('CONFIG_RTNETLINK',
1904                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1905 config_host_data.set('CONFIG_SYSMACROS',
1906                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1907 config_host_data.set('HAVE_OPTRESET',
1908                      cc.has_header_symbol('getopt.h', 'optreset'))
1909 config_host_data.set('HAVE_IPPROTO_MPTCP',
1910                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1911
1912 # has_member
1913 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1914                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1915                                    prefix: '#include <signal.h>'))
1916 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1917                      cc.has_member('struct stat', 'st_atim',
1918                                    prefix: '#include <sys/stat.h>'))
1919
1920 # has_type
1921 config_host_data.set('CONFIG_IOVEC',
1922                      cc.has_type('struct iovec',
1923                                  prefix: '#include <sys/uio.h>'))
1924 config_host_data.set('HAVE_UTMPX',
1925                      cc.has_type('struct utmpx',
1926                                  prefix: '#include <utmpx.h>'))
1927
1928 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1929   #include <sys/eventfd.h>
1930   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1931 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1932   #include <unistd.h>
1933   int main(void) {
1934   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1935   return fdatasync(0);
1936   #else
1937   #error Not supported
1938   #endif
1939   }'''))
1940
1941 has_madvise = cc.links(gnu_source_prefix + '''
1942   #include <sys/types.h>
1943   #include <sys/mman.h>
1944   #include <stddef.h>
1945   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1946 missing_madvise_proto = false
1947 if has_madvise
1948   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1949   # but forget to prototype it. In this case, has_madvise will be true (the
1950   # test program links despite a compile warning). To detect the
1951   # missing-prototype case, we try again with a definitely-bogus prototype.
1952   # This will only compile if the system headers don't provide the prototype;
1953   # otherwise the conflicting prototypes will cause a compiler error.
1954   missing_madvise_proto = cc.links(gnu_source_prefix + '''
1955     #include <sys/types.h>
1956     #include <sys/mman.h>
1957     #include <stddef.h>
1958     extern int madvise(int);
1959     int main(void) { return madvise(0); }''')
1960 endif
1961 config_host_data.set('CONFIG_MADVISE', has_madvise)
1962 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1963
1964 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1965   #include <sys/mman.h>
1966   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1967 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1968   #include <fcntl.h>
1969   #if !defined(AT_EMPTY_PATH)
1970   # error missing definition
1971   #else
1972   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1973   #endif'''))
1974 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1975   #include <unistd.h>
1976   #include <fcntl.h>
1977
1978   int main(void)
1979   {
1980       int pipefd[2];
1981       return pipe2(pipefd, O_CLOEXEC);
1982   }'''))
1983 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1984   #include <sys/mman.h>
1985   #include <stddef.h>
1986   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1987
1988 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
1989   #include <pthread.h>
1990
1991   static void *f(void *p) { return NULL; }
1992   int main(void)
1993   {
1994     pthread_t thread;
1995     pthread_create(&thread, 0, f, 0);
1996     pthread_setname_np(thread, "QEMU");
1997     return 0;
1998   }''', dependencies: threads))
1999 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2000   #include <pthread.h>
2001
2002   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2003   int main(void)
2004   {
2005     pthread_t thread;
2006     pthread_create(&thread, 0, f, 0);
2007     return 0;
2008   }''', dependencies: threads))
2009 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2010   #include <pthread.h>
2011   #include <time.h>
2012
2013   int main(void)
2014   {
2015     pthread_condattr_t attr
2016     pthread_condattr_init(&attr);
2017     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2018     return 0;
2019   }''', dependencies: threads))
2020
2021 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2022   #include <sys/signalfd.h>
2023   #include <stddef.h>
2024   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2025 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2026   #include <unistd.h>
2027   #include <fcntl.h>
2028   #include <limits.h>
2029
2030   int main(void)
2031   {
2032     int len, fd = 0;
2033     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2034     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2035     return 0;
2036   }'''))
2037
2038 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2039   #include <sys/mman.h>
2040   int main(int argc, char *argv[]) {
2041     return mlockall(MCL_FUTURE);
2042   }'''))
2043
2044 have_l2tpv3 = false
2045 if get_option('l2tpv3').allowed() and have_system
2046   have_l2tpv3 = cc.has_type('struct mmsghdr',
2047     prefix: gnu_source_prefix + '''
2048       #include <sys/socket.h>
2049       #include <linux/ip.h>''')
2050 endif
2051 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2052
2053 have_netmap = false
2054 if get_option('netmap').allowed() and have_system
2055   have_netmap = cc.compiles('''
2056     #include <inttypes.h>
2057     #include <net/if.h>
2058     #include <net/netmap.h>
2059     #include <net/netmap_user.h>
2060     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2061     #error
2062     #endif
2063     int main(void) { return 0; }''')
2064   if not have_netmap and get_option('netmap').enabled()
2065     error('Netmap headers not available')
2066   endif
2067 endif
2068 config_host_data.set('CONFIG_NETMAP', have_netmap)
2069
2070 # Work around a system header bug with some kernel/XFS header
2071 # versions where they both try to define 'struct fsxattr':
2072 # xfs headers will not try to redefine structs from linux headers
2073 # if this macro is set.
2074 config_host_data.set('HAVE_FSXATTR', cc.links('''
2075   #include <linux/fs.h>
2076   struct fsxattr foo;
2077   int main(void) {
2078     return 0;
2079   }'''))
2080
2081 # Some versions of Mac OS X incorrectly define SIZE_MAX
2082 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2083     #include <stdint.h>
2084     #include <stdio.h>
2085     int main(int argc, char *argv[]) {
2086         return printf("%zu", SIZE_MAX);
2087     }''', args: ['-Werror']))
2088
2089 atomic_test = '''
2090   #include <stdint.h>
2091   int main(void)
2092   {
2093     @0@ x = 0, y = 0;
2094     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2095     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2096     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2097     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2098     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2099     return 0;
2100   }'''
2101
2102 # See if 64-bit atomic operations are supported.
2103 # Note that without __atomic builtins, we can only
2104 # assume atomic loads/stores max at pointer size.
2105 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2106
2107 has_int128 = cc.links('''
2108   __int128_t a;
2109   __uint128_t b;
2110   int main (void) {
2111     a = a + b;
2112     b = a * b;
2113     a = a * a;
2114     return 0;
2115   }''')
2116
2117 config_host_data.set('CONFIG_INT128', has_int128)
2118
2119 if has_int128
2120   # "do we have 128-bit atomics which are handled inline and specifically not
2121   # via libatomic". The reason we can't use libatomic is documented in the
2122   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2123   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2124
2125   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2126
2127   if not has_atomic128
2128     has_cmpxchg128 = cc.links('''
2129       int main(void)
2130       {
2131         unsigned __int128 x = 0, y = 0;
2132         __sync_val_compare_and_swap_16(&x, y, x);
2133         return 0;
2134       }
2135     ''')
2136
2137     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2138   endif
2139 endif
2140
2141 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2142   #include <sys/auxv.h>
2143   int main(void) {
2144     return getauxval(AT_HWCAP) == 0;
2145   }'''))
2146
2147 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2148   #include <linux/usbdevice_fs.h>
2149
2150   #ifndef USBDEVFS_GET_CAPABILITIES
2151   #error "USBDEVFS_GET_CAPABILITIES undefined"
2152   #endif
2153
2154   #ifndef USBDEVFS_DISCONNECT_CLAIM
2155   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2156   #endif
2157
2158   int main(void) { return 0; }'''))
2159
2160 have_keyring = get_option('keyring') \
2161   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2162   .require(cc.compiles('''
2163     #include <errno.h>
2164     #include <asm/unistd.h>
2165     #include <linux/keyctl.h>
2166     #include <sys/syscall.h>
2167     #include <unistd.h>
2168     int main(void) {
2169         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2170     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2171 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2172
2173 have_cpuid_h = cc.links('''
2174   #include <cpuid.h>
2175   int main(void) {
2176     unsigned a, b, c, d;
2177     unsigned max = __get_cpuid_max(0, 0);
2178
2179     if (max >= 1) {
2180         __cpuid(1, a, b, c, d);
2181     }
2182
2183     if (max >= 7) {
2184         __cpuid_count(7, 0, a, b, c, d);
2185     }
2186
2187     return 0;
2188   }''')
2189 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2190
2191 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2192   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2193   .require(cc.links('''
2194     #pragma GCC push_options
2195     #pragma GCC target("avx2")
2196     #include <cpuid.h>
2197     #include <immintrin.h>
2198     static int bar(void *a) {
2199       __m256i x = *(__m256i *)a;
2200       return _mm256_testz_si256(x, x);
2201     }
2202     int main(int argc, char *argv[]) { return bar(argv[0]); }
2203   '''), error_message: 'AVX2 not available').allowed())
2204
2205 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2206   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2207   .require(cc.links('''
2208     #pragma GCC push_options
2209     #pragma GCC target("avx512f")
2210     #include <cpuid.h>
2211     #include <immintrin.h>
2212     static int bar(void *a) {
2213       __m512i x = *(__m512i *)a;
2214       return _mm512_test_epi64_mask(x, x);
2215     }
2216     int main(int argc, char *argv[]) { return bar(argv[0]); }
2217   '''), error_message: 'AVX512F not available').allowed())
2218
2219 have_pvrdma = get_option('pvrdma') \
2220   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2221   .require(cc.compiles(gnu_source_prefix + '''
2222     #include <sys/mman.h>
2223     int main(void)
2224     {
2225       char buf = 0;
2226       void *addr = &buf;
2227       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2228
2229       return 0;
2230     }'''), error_message: 'PVRDMA requires mremap').allowed()
2231
2232 if have_pvrdma
2233   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2234     #include <infiniband/verbs.h>
2235     int main(void)
2236     {
2237       struct ibv_mr *mr;
2238       struct ibv_pd *pd = NULL;
2239       size_t length = 10;
2240       uint64_t iova = 0;
2241       int access = 0;
2242       void *addr = NULL;
2243
2244       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2245       ibv_dereg_mr(mr);
2246       return 0;
2247     }'''))
2248 endif
2249
2250 if get_option('membarrier').disabled()
2251   have_membarrier = false
2252 elif targetos == 'windows'
2253   have_membarrier = true
2254 elif targetos == 'linux'
2255   have_membarrier = cc.compiles('''
2256     #include <linux/membarrier.h>
2257     #include <sys/syscall.h>
2258     #include <unistd.h>
2259     #include <stdlib.h>
2260     int main(void) {
2261         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2262         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2263         exit(0);
2264     }''')
2265 endif
2266 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2267   .require(have_membarrier, error_message: 'membarrier system call not available') \
2268   .allowed())
2269
2270 have_afalg = get_option('crypto_afalg') \
2271   .require(cc.compiles(gnu_source_prefix + '''
2272     #include <errno.h>
2273     #include <sys/types.h>
2274     #include <sys/socket.h>
2275     #include <linux/if_alg.h>
2276     int main(void) {
2277       int sock;
2278       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2279       return sock;
2280     }
2281   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2282 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2283
2284 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2285   'linux/vm_sockets.h', 'AF_VSOCK',
2286   prefix: '#include <sys/socket.h>',
2287 ))
2288
2289 have_vss = false
2290 have_vss_sdk = false # old xp/2003 SDK
2291 if targetos == 'windows' and link_language == 'cpp'
2292   have_vss = cxx.compiles('''
2293     #define __MIDL_user_allocate_free_DEFINED__
2294     #include <vss.h>
2295     int main(void) { return VSS_CTX_BACKUP; }''')
2296   have_vss_sdk = cxx.has_header('vscoordint.h')
2297 endif
2298 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2299
2300 foreach k, v: config_host
2301   if k.startswith('CONFIG_')
2302     config_host_data.set(k, v == 'y' ? 1 : v)
2303   endif
2304 endforeach
2305
2306 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2307 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2308 if targetos == 'windows'
2309   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2310     #include <stdio.h>
2311     int main(void) {
2312       _lock_file(NULL);
2313       _unlock_file(NULL);
2314       return 0;
2315     }''', name: '_lock_file and _unlock_file'))
2316 endif
2317
2318 ########################
2319 # Target configuration #
2320 ########################
2321
2322 minikconf = find_program('scripts/minikconf.py')
2323 config_all = {}
2324 config_all_devices = {}
2325 config_all_disas = {}
2326 config_devices_mak_list = []
2327 config_devices_h = {}
2328 config_target_h = {}
2329 config_target_mak = {}
2330
2331 disassemblers = {
2332   'alpha' : ['CONFIG_ALPHA_DIS'],
2333   'arm' : ['CONFIG_ARM_DIS'],
2334   'avr' : ['CONFIG_AVR_DIS'],
2335   'cris' : ['CONFIG_CRIS_DIS'],
2336   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2337   'hppa' : ['CONFIG_HPPA_DIS'],
2338   'i386' : ['CONFIG_I386_DIS'],
2339   'x86_64' : ['CONFIG_I386_DIS'],
2340   'm68k' : ['CONFIG_M68K_DIS'],
2341   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2342   'mips' : ['CONFIG_MIPS_DIS'],
2343   'nios2' : ['CONFIG_NIOS2_DIS'],
2344   'or1k' : ['CONFIG_OPENRISC_DIS'],
2345   'ppc' : ['CONFIG_PPC_DIS'],
2346   'riscv' : ['CONFIG_RISCV_DIS'],
2347   'rx' : ['CONFIG_RX_DIS'],
2348   's390' : ['CONFIG_S390_DIS'],
2349   'sh4' : ['CONFIG_SH4_DIS'],
2350   'sparc' : ['CONFIG_SPARC_DIS'],
2351   'xtensa' : ['CONFIG_XTENSA_DIS'],
2352 }
2353 if link_language == 'cpp'
2354   disassemblers += {
2355     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2356     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2357     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2358   }
2359 endif
2360
2361 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2362 host_kconfig = \
2363   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2364   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2365   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2366   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2367   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2368   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2369   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2370   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2371   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2372   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2373   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2374   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2375   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
2376
2377 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2378
2379 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2380 actual_target_dirs = []
2381 fdt_required = []
2382 foreach target : target_dirs
2383   config_target = { 'TARGET_NAME': target.split('-')[0] }
2384   if target.endswith('linux-user')
2385     if targetos != 'linux'
2386       if default_targets
2387         continue
2388       endif
2389       error('Target @0@ is only available on a Linux host'.format(target))
2390     endif
2391     config_target += { 'CONFIG_LINUX_USER': 'y' }
2392   elif target.endswith('bsd-user')
2393     if 'CONFIG_BSD' not in config_host
2394       if default_targets
2395         continue
2396       endif
2397       error('Target @0@ is only available on a BSD host'.format(target))
2398     endif
2399     config_target += { 'CONFIG_BSD_USER': 'y' }
2400   elif target.endswith('softmmu')
2401     config_target += { 'CONFIG_SOFTMMU': 'y' }
2402   endif
2403   if target.endswith('-user')
2404     config_target += {
2405       'CONFIG_USER_ONLY': 'y',
2406       'CONFIG_QEMU_INTERP_PREFIX':
2407         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2408     }
2409   endif
2410
2411   accel_kconfig = []
2412   foreach sym: accelerators
2413     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2414       config_target += { sym: 'y' }
2415       config_all += { sym: 'y' }
2416       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2417         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2418       endif
2419       if target in modular_tcg
2420         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2421       else
2422         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2423       endif
2424       accel_kconfig += [ sym + '=y' ]
2425     endif
2426   endforeach
2427   if accel_kconfig.length() == 0
2428     if default_targets
2429       continue
2430     endif
2431     error('No accelerator available for target @0@'.format(target))
2432   endif
2433
2434   actual_target_dirs += target
2435   config_target += keyval.load('configs/targets' / target + '.mak')
2436   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2437
2438   if 'TARGET_NEED_FDT' in config_target
2439     fdt_required += target
2440   endif
2441
2442   # Add default keys
2443   if 'TARGET_BASE_ARCH' not in config_target
2444     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2445   endif
2446   if 'TARGET_ABI_DIR' not in config_target
2447     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2448   endif
2449   if 'TARGET_BIG_ENDIAN' not in config_target
2450     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2451   endif
2452
2453   foreach k, v: disassemblers
2454     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2455       foreach sym: v
2456         config_target += { sym: 'y' }
2457         config_all_disas += { sym: 'y' }
2458       endforeach
2459     endif
2460   endforeach
2461
2462   config_target_data = configuration_data()
2463   foreach k, v: config_target
2464     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2465       # do nothing
2466     elif ignored.contains(k)
2467       # do nothing
2468     elif k == 'TARGET_BASE_ARCH'
2469       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2470       # not used to select files from sourcesets.
2471       config_target_data.set('TARGET_' + v.to_upper(), 1)
2472     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2473       config_target_data.set_quoted(k, v)
2474     elif v == 'y'
2475       config_target_data.set(k, 1)
2476     elif v == 'n'
2477       config_target_data.set(k, 0)
2478     else
2479       config_target_data.set(k, v)
2480     endif
2481   endforeach
2482   config_target_data.set('QEMU_ARCH',
2483                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2484   config_target_h += {target: configure_file(output: target + '-config-target.h',
2485                                                configuration: config_target_data)}
2486
2487   if target.endswith('-softmmu')
2488     config_input = meson.get_external_property(target, 'default')
2489     config_devices_mak = target + '-config-devices.mak'
2490     config_devices_mak = configure_file(
2491       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2492       output: config_devices_mak,
2493       depfile: config_devices_mak + '.d',
2494       capture: true,
2495       command: [minikconf,
2496                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2497                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2498                 host_kconfig, accel_kconfig,
2499                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2500
2501     config_devices_data = configuration_data()
2502     config_devices = keyval.load(config_devices_mak)
2503     foreach k, v: config_devices
2504       config_devices_data.set(k, 1)
2505     endforeach
2506     config_devices_mak_list += config_devices_mak
2507     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2508                                                 configuration: config_devices_data)}
2509     config_target += config_devices
2510     config_all_devices += config_devices
2511   endif
2512   config_target_mak += {target: config_target}
2513 endforeach
2514 target_dirs = actual_target_dirs
2515
2516 # This configuration is used to build files that are shared by
2517 # multiple binaries, and then extracted out of the "common"
2518 # static_library target.
2519 #
2520 # We do not use all_sources()/all_dependencies(), because it would
2521 # build literally all source files, including devices only used by
2522 # targets that are not built for this compilation.  The CONFIG_ALL
2523 # pseudo symbol replaces it.
2524
2525 config_all += config_all_devices
2526 config_all += config_host
2527 config_all += config_all_disas
2528 config_all += {
2529   'CONFIG_XEN': xen.found(),
2530   'CONFIG_SOFTMMU': have_system,
2531   'CONFIG_USER_ONLY': have_user,
2532   'CONFIG_ALL': true,
2533 }
2534
2535 target_configs_h = []
2536 foreach target: target_dirs
2537   target_configs_h += config_target_h[target]
2538   target_configs_h += config_devices_h.get(target, [])
2539 endforeach
2540 genh += custom_target('config-poison.h',
2541                       input: [target_configs_h],
2542                       output: 'config-poison.h',
2543                       capture: true,
2544                       command: [find_program('scripts/make-config-poison.sh'),
2545                                 target_configs_h])
2546
2547 ##############
2548 # Submodules #
2549 ##############
2550
2551 capstone = not_found
2552 if not get_option('capstone').auto() or have_system or have_user
2553   capstone = dependency('capstone', version: '>=3.0.5',
2554                         kwargs: static_kwargs, method: 'pkg-config',
2555                         required: get_option('capstone'))
2556
2557   # Some versions of capstone have broken pkg-config file
2558   # that reports a wrong -I path, causing the #include to
2559   # fail later. If the system has such a broken version
2560   # do not use it.
2561   if capstone.found() and not cc.compiles('#include <capstone.h>',
2562                                           dependencies: [capstone])
2563     capstone = not_found
2564     if get_option('capstone').enabled()
2565       error('capstone requested, but it does not appear to work')
2566     endif
2567   endif
2568 endif
2569
2570 slirp = not_found
2571 slirp_opt = 'disabled'
2572 if have_system
2573   slirp_opt = get_option('slirp')
2574   if slirp_opt in ['enabled', 'auto', 'system']
2575     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2576     slirp_dep_required = (slirp_opt == 'system' or
2577                           slirp_opt == 'enabled' and not have_internal)
2578     slirp = dependency('slirp', kwargs: static_kwargs,
2579                        method: 'pkg-config', version: '>=4.1.0',
2580                        required: slirp_dep_required)
2581     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2582     # it passes function pointers within libslirp as callbacks for timers.
2583     # When using a system-wide shared libslirp, the type information for the
2584     # callback is missing and the timer call produces a false positive with CFI.
2585     # Do not use the "version" keyword argument to produce a better error.
2586     # with control-flow integrity.
2587     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2588       if slirp_dep_required
2589         error('Control-Flow Integrity requires libslirp 4.7.')
2590       else
2591         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2592         slirp = not_found
2593       endif
2594     endif
2595     if slirp.found()
2596       slirp_opt = 'system'
2597     elif have_internal
2598       slirp_opt = 'internal'
2599     else
2600       slirp_opt = 'disabled'
2601     endif
2602   endif
2603   if slirp_opt == 'internal'
2604     slirp_deps = []
2605     if targetos == 'windows'
2606       slirp_deps = cc.find_library('iphlpapi')
2607     elif targetos == 'darwin'
2608       slirp_deps = cc.find_library('resolv')
2609     endif
2610     slirp_conf = configuration_data()
2611     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2612     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2613     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2614     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2615     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2616     slirp_files = [
2617       'slirp/src/arp_table.c',
2618       'slirp/src/bootp.c',
2619       'slirp/src/cksum.c',
2620       'slirp/src/dhcpv6.c',
2621       'slirp/src/dnssearch.c',
2622       'slirp/src/if.c',
2623       'slirp/src/ip6_icmp.c',
2624       'slirp/src/ip6_input.c',
2625       'slirp/src/ip6_output.c',
2626       'slirp/src/ip_icmp.c',
2627       'slirp/src/ip_input.c',
2628       'slirp/src/ip_output.c',
2629       'slirp/src/mbuf.c',
2630       'slirp/src/misc.c',
2631       'slirp/src/ncsi.c',
2632       'slirp/src/ndp_table.c',
2633       'slirp/src/sbuf.c',
2634       'slirp/src/slirp.c',
2635       'slirp/src/socket.c',
2636       'slirp/src/state.c',
2637       'slirp/src/stream.c',
2638       'slirp/src/tcp_input.c',
2639       'slirp/src/tcp_output.c',
2640       'slirp/src/tcp_subr.c',
2641       'slirp/src/tcp_timer.c',
2642       'slirp/src/tftp.c',
2643       'slirp/src/udp.c',
2644       'slirp/src/udp6.c',
2645       'slirp/src/util.c',
2646       'slirp/src/version.c',
2647       'slirp/src/vmstate.c',
2648     ]
2649
2650     configure_file(
2651       input : 'slirp/src/libslirp-version.h.in',
2652       output : 'libslirp-version.h',
2653       configuration: slirp_conf)
2654
2655     slirp_inc = include_directories('slirp', 'slirp/src')
2656     libslirp = static_library('slirp',
2657                               build_by_default: false,
2658                               sources: slirp_files,
2659                               c_args: slirp_cargs,
2660                               include_directories: slirp_inc)
2661     slirp = declare_dependency(link_with: libslirp,
2662                                dependencies: slirp_deps,
2663                                include_directories: slirp_inc)
2664   endif
2665 endif
2666
2667 fdt = not_found
2668 if have_system
2669   fdt_opt = get_option('fdt')
2670   if fdt_opt in ['enabled', 'auto', 'system']
2671     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2672     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2673                           required: fdt_opt == 'system' or
2674                                     fdt_opt == 'enabled' and not have_internal)
2675     if fdt.found() and cc.links('''
2676        #include <libfdt.h>
2677        #include <libfdt_env.h>
2678        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2679          dependencies: fdt)
2680       fdt_opt = 'system'
2681     elif fdt_opt == 'system'
2682        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2683     elif have_internal
2684       fdt_opt = 'internal'
2685     else
2686       fdt_opt = 'disabled'
2687       fdt = not_found
2688     endif
2689   endif
2690   if fdt_opt == 'internal'
2691     fdt_files = files(
2692       'dtc/libfdt/fdt.c',
2693       'dtc/libfdt/fdt_ro.c',
2694       'dtc/libfdt/fdt_wip.c',
2695       'dtc/libfdt/fdt_sw.c',
2696       'dtc/libfdt/fdt_rw.c',
2697       'dtc/libfdt/fdt_strerror.c',
2698       'dtc/libfdt/fdt_empty_tree.c',
2699       'dtc/libfdt/fdt_addresses.c',
2700       'dtc/libfdt/fdt_overlay.c',
2701       'dtc/libfdt/fdt_check.c',
2702     )
2703
2704     fdt_inc = include_directories('dtc/libfdt')
2705     libfdt = static_library('fdt',
2706                             build_by_default: false,
2707                             sources: fdt_files,
2708                             include_directories: fdt_inc)
2709     fdt = declare_dependency(link_with: libfdt,
2710                              include_directories: fdt_inc)
2711   endif
2712 else
2713   fdt_opt = 'disabled'
2714 endif
2715 if not fdt.found() and fdt_required.length() > 0
2716   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2717 endif
2718
2719 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2720 config_host_data.set('CONFIG_FDT', fdt.found())
2721 config_host_data.set('CONFIG_SLIRP', slirp.found())
2722
2723 #####################
2724 # Generated sources #
2725 #####################
2726
2727 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2728
2729 hxtool = find_program('scripts/hxtool')
2730 shaderinclude = find_program('scripts/shaderinclude.pl')
2731 qapi_gen = find_program('scripts/qapi-gen.py')
2732 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2733                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2734                      meson.current_source_dir() / 'scripts/qapi/common.py',
2735                      meson.current_source_dir() / 'scripts/qapi/error.py',
2736                      meson.current_source_dir() / 'scripts/qapi/events.py',
2737                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2738                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2739                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2740                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2741                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2742                      meson.current_source_dir() / 'scripts/qapi/source.py',
2743                      meson.current_source_dir() / 'scripts/qapi/types.py',
2744                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2745                      meson.current_source_dir() / 'scripts/qapi/common.py',
2746                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2747 ]
2748
2749 tracetool = [
2750   python, files('scripts/tracetool.py'),
2751    '--backend=' + ','.join(get_option('trace_backends'))
2752 ]
2753 tracetool_depends = files(
2754   'scripts/tracetool/backend/log.py',
2755   'scripts/tracetool/backend/__init__.py',
2756   'scripts/tracetool/backend/dtrace.py',
2757   'scripts/tracetool/backend/ftrace.py',
2758   'scripts/tracetool/backend/simple.py',
2759   'scripts/tracetool/backend/syslog.py',
2760   'scripts/tracetool/backend/ust.py',
2761   'scripts/tracetool/format/ust_events_c.py',
2762   'scripts/tracetool/format/ust_events_h.py',
2763   'scripts/tracetool/format/__init__.py',
2764   'scripts/tracetool/format/d.py',
2765   'scripts/tracetool/format/simpletrace_stap.py',
2766   'scripts/tracetool/format/c.py',
2767   'scripts/tracetool/format/h.py',
2768   'scripts/tracetool/format/log_stap.py',
2769   'scripts/tracetool/format/stap.py',
2770   'scripts/tracetool/__init__.py',
2771   'scripts/tracetool/transform.py',
2772   'scripts/tracetool/vcpu.py'
2773 )
2774
2775 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2776                     meson.current_source_dir(),
2777                     get_option('pkgversion'), meson.project_version()]
2778 qemu_version = custom_target('qemu-version.h',
2779                              output: 'qemu-version.h',
2780                              command: qemu_version_cmd,
2781                              capture: true,
2782                              build_by_default: true,
2783                              build_always_stale: true)
2784 genh += qemu_version
2785
2786 hxdep = []
2787 hx_headers = [
2788   ['qemu-options.hx', 'qemu-options.def'],
2789   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2790 ]
2791 if have_system
2792   hx_headers += [
2793     ['hmp-commands.hx', 'hmp-commands.h'],
2794     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2795   ]
2796 endif
2797 foreach d : hx_headers
2798   hxdep += custom_target(d[1],
2799                 input: files(d[0]),
2800                 output: d[1],
2801                 capture: true,
2802                 build_by_default: true, # to be removed when added to a target
2803                 command: [hxtool, '-h', '@INPUT0@'])
2804 endforeach
2805 genh += hxdep
2806
2807 ###################
2808 # Collect sources #
2809 ###################
2810
2811 authz_ss = ss.source_set()
2812 blockdev_ss = ss.source_set()
2813 block_ss = ss.source_set()
2814 chardev_ss = ss.source_set()
2815 common_ss = ss.source_set()
2816 crypto_ss = ss.source_set()
2817 hwcore_ss = ss.source_set()
2818 io_ss = ss.source_set()
2819 qmp_ss = ss.source_set()
2820 qom_ss = ss.source_set()
2821 softmmu_ss = ss.source_set()
2822 specific_fuzz_ss = ss.source_set()
2823 specific_ss = ss.source_set()
2824 stub_ss = ss.source_set()
2825 trace_ss = ss.source_set()
2826 user_ss = ss.source_set()
2827 util_ss = ss.source_set()
2828
2829 # accel modules
2830 qtest_module_ss = ss.source_set()
2831 tcg_module_ss = ss.source_set()
2832
2833 modules = {}
2834 target_modules = {}
2835 hw_arch = {}
2836 target_arch = {}
2837 target_softmmu_arch = {}
2838 target_user_arch = {}
2839
2840 ###############
2841 # Trace files #
2842 ###############
2843
2844 # TODO: add each directory to the subdirs from its own meson.build, once
2845 # we have those
2846 trace_events_subdirs = [
2847   'crypto',
2848   'qapi',
2849   'qom',
2850   'monitor',
2851   'util',
2852 ]
2853 if have_linux_user
2854   trace_events_subdirs += [ 'linux-user' ]
2855 endif
2856 if have_bsd_user
2857   trace_events_subdirs += [ 'bsd-user' ]
2858 endif
2859 if have_block
2860   trace_events_subdirs += [
2861     'authz',
2862     'block',
2863     'io',
2864     'nbd',
2865     'scsi',
2866   ]
2867 endif
2868 if have_system
2869   trace_events_subdirs += [
2870     'accel/kvm',
2871     'audio',
2872     'backends',
2873     'backends/tpm',
2874     'chardev',
2875     'ebpf',
2876     'hw/9pfs',
2877     'hw/acpi',
2878     'hw/adc',
2879     'hw/alpha',
2880     'hw/arm',
2881     'hw/audio',
2882     'hw/block',
2883     'hw/block/dataplane',
2884     'hw/char',
2885     'hw/display',
2886     'hw/dma',
2887     'hw/hyperv',
2888     'hw/i2c',
2889     'hw/i386',
2890     'hw/i386/xen',
2891     'hw/ide',
2892     'hw/input',
2893     'hw/intc',
2894     'hw/isa',
2895     'hw/mem',
2896     'hw/mips',
2897     'hw/misc',
2898     'hw/misc/macio',
2899     'hw/net',
2900     'hw/net/can',
2901     'hw/nubus',
2902     'hw/nvme',
2903     'hw/nvram',
2904     'hw/pci',
2905     'hw/pci-host',
2906     'hw/ppc',
2907     'hw/rdma',
2908     'hw/rdma/vmw',
2909     'hw/rtc',
2910     'hw/s390x',
2911     'hw/scsi',
2912     'hw/sd',
2913     'hw/sh4',
2914     'hw/sparc',
2915     'hw/sparc64',
2916     'hw/ssi',
2917     'hw/timer',
2918     'hw/tpm',
2919     'hw/usb',
2920     'hw/vfio',
2921     'hw/virtio',
2922     'hw/watchdog',
2923     'hw/xen',
2924     'hw/gpio',
2925     'migration',
2926     'net',
2927     'softmmu',
2928     'ui',
2929     'hw/remote',
2930   ]
2931 endif
2932 if have_system or have_user
2933   trace_events_subdirs += [
2934     'accel/tcg',
2935     'hw/core',
2936     'target/arm',
2937     'target/arm/hvf',
2938     'target/hppa',
2939     'target/i386',
2940     'target/i386/kvm',
2941     'target/mips/tcg',
2942     'target/nios2',
2943     'target/ppc',
2944     'target/riscv',
2945     'target/s390x',
2946     'target/s390x/kvm',
2947     'target/sparc',
2948   ]
2949 endif
2950
2951 vhost_user = not_found
2952 if targetos == 'linux' and have_vhost_user
2953   libvhost_user = subproject('libvhost-user')
2954   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2955 endif
2956
2957 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2958 # that is filled in by qapi/.
2959 subdir('qapi')
2960 subdir('qobject')
2961 subdir('stubs')
2962 subdir('trace')
2963 subdir('util')
2964 subdir('qom')
2965 subdir('authz')
2966 subdir('crypto')
2967 subdir('ui')
2968 subdir('hw')
2969
2970
2971 if enable_modules
2972   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2973   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2974 endif
2975
2976 qom_ss = qom_ss.apply(config_host, strict: false)
2977 libqom = static_library('qom', qom_ss.sources() + genh,
2978                         dependencies: [qom_ss.dependencies()],
2979                         name_suffix: 'fa')
2980 qom = declare_dependency(link_whole: libqom)
2981
2982 event_loop_base = files('event-loop-base.c')
2983 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
2984                                  build_by_default: true)
2985 event_loop_base = declare_dependency(link_whole: event_loop_base,
2986                                      dependencies: [qom])
2987
2988 stub_ss = stub_ss.apply(config_all, strict: false)
2989
2990 util_ss.add_all(trace_ss)
2991 util_ss = util_ss.apply(config_all, strict: false)
2992 libqemuutil = static_library('qemuutil',
2993                              sources: util_ss.sources() + stub_ss.sources() + genh,
2994                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2995 qemuutil = declare_dependency(link_with: libqemuutil,
2996                               sources: genh + version_res,
2997                               dependencies: [event_loop_base])
2998
2999 if have_system or have_user
3000   decodetree = generator(find_program('scripts/decodetree.py'),
3001                          output: 'decode-@BASENAME@.c.inc',
3002                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3003   subdir('libdecnumber')
3004   subdir('target')
3005 endif
3006
3007 subdir('audio')
3008 subdir('io')
3009 subdir('chardev')
3010 subdir('fsdev')
3011 subdir('dump')
3012
3013 if have_block
3014   block_ss.add(files(
3015     'block.c',
3016     'blockjob.c',
3017     'job.c',
3018     'qemu-io-cmds.c',
3019   ))
3020   if config_host_data.get('CONFIG_REPLICATION')
3021     block_ss.add(files('replication.c'))
3022   endif
3023
3024   subdir('nbd')
3025   subdir('scsi')
3026   subdir('block')
3027
3028   blockdev_ss.add(files(
3029     'blockdev.c',
3030     'blockdev-nbd.c',
3031     'iothread.c',
3032     'job-qmp.c',
3033   ), gnutls)
3034
3035   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3036   # os-win32.c does not
3037   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3038   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3039 endif
3040
3041 common_ss.add(files('cpus-common.c'))
3042
3043 subdir('softmmu')
3044
3045 common_ss.add(capstone)
3046 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3047
3048 # Work around a gcc bug/misfeature wherein constant propagation looks
3049 # through an alias:
3050 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3051 # to guess that a const variable is always zero.  Without lto, this is
3052 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3053 # without lto, not even the alias is required -- we simply use different
3054 # declarations in different compilation units.
3055 pagevary = files('page-vary-common.c')
3056 if get_option('b_lto')
3057   pagevary_flags = ['-fno-lto']
3058   if get_option('cfi')
3059     pagevary_flags += '-fno-sanitize=cfi-icall'
3060   endif
3061   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3062                             c_args: pagevary_flags)
3063   pagevary = declare_dependency(link_with: pagevary)
3064 endif
3065 common_ss.add(pagevary)
3066 specific_ss.add(files('page-vary.c'))
3067
3068 subdir('backends')
3069 subdir('disas')
3070 subdir('migration')
3071 subdir('monitor')
3072 subdir('net')
3073 subdir('replay')
3074 subdir('semihosting')
3075 subdir('tcg')
3076 subdir('fpu')
3077 subdir('accel')
3078 subdir('plugins')
3079 subdir('ebpf')
3080
3081 common_user_inc = []
3082
3083 subdir('common-user')
3084 subdir('bsd-user')
3085 subdir('linux-user')
3086
3087 # needed for fuzzing binaries
3088 subdir('tests/qtest/libqos')
3089 subdir('tests/qtest/fuzz')
3090
3091 # accel modules
3092 tcg_real_module_ss = ss.source_set()
3093 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3094 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3095 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3096                                 'tcg': tcg_real_module_ss }}
3097
3098 ########################
3099 # Library dependencies #
3100 ########################
3101
3102 modinfo_collect = find_program('scripts/modinfo-collect.py')
3103 modinfo_generate = find_program('scripts/modinfo-generate.py')
3104 modinfo_files = []
3105
3106 block_mods = []
3107 softmmu_mods = []
3108 foreach d, list : modules
3109   foreach m, module_ss : list
3110     if enable_modules and targetos != 'windows'
3111       module_ss = module_ss.apply(config_all, strict: false)
3112       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3113                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3114       if d == 'block'
3115         block_mods += sl
3116       else
3117         softmmu_mods += sl
3118       endif
3119       if module_ss.sources() != []
3120         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3121         # input. Sources can be used multiple times but objects are
3122         # unique when it comes to lookup in compile_commands.json.
3123         # Depnds on a mesion version with
3124         # https://github.com/mesonbuild/meson/pull/8900
3125         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3126                                        output: d + '-' + m + '.modinfo',
3127                                        input: module_ss.sources() + genh,
3128                                        capture: true,
3129                                        command: [modinfo_collect, module_ss.sources()])
3130       endif
3131     else
3132       if d == 'block'
3133         block_ss.add_all(module_ss)
3134       else
3135         softmmu_ss.add_all(module_ss)
3136       endif
3137     endif
3138   endforeach
3139 endforeach
3140
3141 foreach d, list : target_modules
3142   foreach m, module_ss : list
3143     if enable_modules and targetos != 'windows'
3144       foreach target : target_dirs
3145         if target.endswith('-softmmu')
3146           config_target = config_target_mak[target]
3147           config_target += config_host
3148           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3149           c_args = ['-DNEED_CPU_H',
3150                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3151                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3152           target_module_ss = module_ss.apply(config_target, strict: false)
3153           if target_module_ss.sources() != []
3154             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3155             sl = static_library(module_name,
3156                                 [genh, target_module_ss.sources()],
3157                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3158                                 include_directories: target_inc,
3159                                 c_args: c_args,
3160                                 pic: true)
3161             softmmu_mods += sl
3162             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3163             modinfo_files += custom_target(module_name + '.modinfo',
3164                                            output: module_name + '.modinfo',
3165                                            input: target_module_ss.sources() + genh,
3166                                            capture: true,
3167                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3168           endif
3169         endif
3170       endforeach
3171     else
3172       specific_ss.add_all(module_ss)
3173     endif
3174   endforeach
3175 endforeach
3176
3177 if enable_modules
3178   modinfo_src = custom_target('modinfo.c',
3179                               output: 'modinfo.c',
3180                               input: modinfo_files,
3181                               command: [modinfo_generate, '@INPUT@'],
3182                               capture: true)
3183   modinfo_lib = static_library('modinfo', modinfo_src)
3184   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
3185   softmmu_ss.add(modinfo_dep)
3186 endif
3187
3188 nm = find_program('nm')
3189 undefsym = find_program('scripts/undefsym.py')
3190 block_syms = custom_target('block.syms', output: 'block.syms',
3191                              input: [libqemuutil, block_mods],
3192                              capture: true,
3193                              command: [undefsym, nm, '@INPUT@'])
3194 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3195                              input: [libqemuutil, softmmu_mods],
3196                              capture: true,
3197                              command: [undefsym, nm, '@INPUT@'])
3198
3199 authz_ss = authz_ss.apply(config_host, strict: false)
3200 libauthz = static_library('authz', authz_ss.sources() + genh,
3201                           dependencies: [authz_ss.dependencies()],
3202                           name_suffix: 'fa',
3203                           build_by_default: false)
3204
3205 authz = declare_dependency(link_whole: libauthz,
3206                            dependencies: qom)
3207
3208 crypto_ss = crypto_ss.apply(config_host, strict: false)
3209 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3210                            dependencies: [crypto_ss.dependencies()],
3211                            name_suffix: 'fa',
3212                            build_by_default: false)
3213
3214 crypto = declare_dependency(link_whole: libcrypto,
3215                             dependencies: [authz, qom])
3216
3217 io_ss = io_ss.apply(config_host, strict: false)
3218 libio = static_library('io', io_ss.sources() + genh,
3219                        dependencies: [io_ss.dependencies()],
3220                        link_with: libqemuutil,
3221                        name_suffix: 'fa',
3222                        build_by_default: false)
3223
3224 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3225
3226 libmigration = static_library('migration', sources: migration_files + genh,
3227                               name_suffix: 'fa',
3228                               build_by_default: false)
3229 migration = declare_dependency(link_with: libmigration,
3230                                dependencies: [zlib, qom, io])
3231 softmmu_ss.add(migration)
3232
3233 block_ss = block_ss.apply(config_host, strict: false)
3234 libblock = static_library('block', block_ss.sources() + genh,
3235                           dependencies: block_ss.dependencies(),
3236                           link_depends: block_syms,
3237                           name_suffix: 'fa',
3238                           build_by_default: false)
3239
3240 block = declare_dependency(link_whole: [libblock],
3241                            link_args: '@block.syms',
3242                            dependencies: [crypto, io])
3243
3244 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3245 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3246                              dependencies: blockdev_ss.dependencies(),
3247                              name_suffix: 'fa',
3248                              build_by_default: false)
3249
3250 blockdev = declare_dependency(link_whole: [libblockdev],
3251                               dependencies: [block, event_loop_base])
3252
3253 qmp_ss = qmp_ss.apply(config_host, strict: false)
3254 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3255                         dependencies: qmp_ss.dependencies(),
3256                         name_suffix: 'fa',
3257                         build_by_default: false)
3258
3259 qmp = declare_dependency(link_whole: [libqmp])
3260
3261 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3262                             name_suffix: 'fa',
3263                             dependencies: chardev_ss.dependencies(),
3264                             build_by_default: false)
3265
3266 chardev = declare_dependency(link_whole: libchardev)
3267
3268 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3269 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3270                            name_suffix: 'fa',
3271                            build_by_default: false)
3272 hwcore = declare_dependency(link_whole: libhwcore)
3273 common_ss.add(hwcore)
3274
3275 ###########
3276 # Targets #
3277 ###########
3278
3279 emulator_modules = []
3280 foreach m : block_mods + softmmu_mods
3281   emulator_modules += shared_module(m.name(),
3282                 build_by_default: true,
3283                 name_prefix: '',
3284                 link_whole: m,
3285                 install: true,
3286                 install_dir: qemu_moddir)
3287 endforeach
3288
3289 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3290 common_ss.add(qom, qemuutil)
3291
3292 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3293 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3294
3295 common_all = common_ss.apply(config_all, strict: false)
3296 common_all = static_library('common',
3297                             build_by_default: false,
3298                             sources: common_all.sources() + genh,
3299                             include_directories: common_user_inc,
3300                             implicit_include_directories: false,
3301                             dependencies: common_all.dependencies(),
3302                             name_suffix: 'fa')
3303
3304 feature_to_c = find_program('scripts/feature_to_c.sh')
3305
3306 if targetos == 'darwin'
3307   entitlement = find_program('scripts/entitlement.sh')
3308 endif
3309
3310 emulators = {}
3311 foreach target : target_dirs
3312   config_target = config_target_mak[target]
3313   target_name = config_target['TARGET_NAME']
3314   target_base_arch = config_target['TARGET_BASE_ARCH']
3315   arch_srcs = [config_target_h[target]]
3316   arch_deps = []
3317   c_args = ['-DNEED_CPU_H',
3318             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3319             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3320   link_args = emulator_link_args
3321
3322   config_target += config_host
3323   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3324   if targetos == 'linux'
3325     target_inc += include_directories('linux-headers', is_system: true)
3326   endif
3327   if target.endswith('-softmmu')
3328     qemu_target_name = 'qemu-system-' + target_name
3329     target_type='system'
3330     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3331     arch_srcs += t.sources()
3332     arch_deps += t.dependencies()
3333
3334     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3335     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3336     arch_srcs += hw.sources()
3337     arch_deps += hw.dependencies()
3338
3339     arch_srcs += config_devices_h[target]
3340     link_args += ['@block.syms', '@qemu.syms']
3341   else
3342     abi = config_target['TARGET_ABI_DIR']
3343     target_type='user'
3344     target_inc += common_user_inc
3345     qemu_target_name = 'qemu-' + target_name
3346     if target_base_arch in target_user_arch
3347       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3348       arch_srcs += t.sources()
3349       arch_deps += t.dependencies()
3350     endif
3351     if 'CONFIG_LINUX_USER' in config_target
3352       base_dir = 'linux-user'
3353     endif
3354     if 'CONFIG_BSD_USER' in config_target
3355       base_dir = 'bsd-user'
3356       target_inc += include_directories('bsd-user/' / targetos)
3357       target_inc += include_directories('bsd-user/host/' / host_arch)
3358       dir = base_dir / abi
3359       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3360     endif
3361     target_inc += include_directories(
3362       base_dir,
3363       base_dir / abi,
3364     )
3365     if 'CONFIG_LINUX_USER' in config_target
3366       dir = base_dir / abi
3367       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3368       if config_target.has_key('TARGET_SYSTBL_ABI')
3369         arch_srcs += \
3370           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3371                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3372       endif
3373     endif
3374   endif
3375
3376   if 'TARGET_XML_FILES' in config_target
3377     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3378                                 output: target + '-gdbstub-xml.c',
3379                                 input: files(config_target['TARGET_XML_FILES'].split()),
3380                                 command: [feature_to_c, '@INPUT@'],
3381                                 capture: true)
3382     arch_srcs += gdbstub_xml
3383   endif
3384
3385   t = target_arch[target_base_arch].apply(config_target, strict: false)
3386   arch_srcs += t.sources()
3387   arch_deps += t.dependencies()
3388
3389   target_common = common_ss.apply(config_target, strict: false)
3390   objects = common_all.extract_objects(target_common.sources())
3391   deps = target_common.dependencies()
3392
3393   target_specific = specific_ss.apply(config_target, strict: false)
3394   arch_srcs += target_specific.sources()
3395   arch_deps += target_specific.dependencies()
3396
3397   lib = static_library('qemu-' + target,
3398                  sources: arch_srcs + genh,
3399                  dependencies: arch_deps,
3400                  objects: objects,
3401                  include_directories: target_inc,
3402                  c_args: c_args,
3403                  build_by_default: false,
3404                  name_suffix: 'fa')
3405
3406   if target.endswith('-softmmu')
3407     execs = [{
3408       'name': 'qemu-system-' + target_name,
3409       'win_subsystem': 'console',
3410       'sources': files('softmmu/main.c'),
3411       'dependencies': []
3412     }]
3413     if targetos == 'windows' and (sdl.found() or gtk.found())
3414       execs += [{
3415         'name': 'qemu-system-' + target_name + 'w',
3416         'win_subsystem': 'windows',
3417         'sources': files('softmmu/main.c'),
3418         'dependencies': []
3419       }]
3420     endif
3421     if get_option('fuzzing')
3422       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3423       execs += [{
3424         'name': 'qemu-fuzz-' + target_name,
3425         'win_subsystem': 'console',
3426         'sources': specific_fuzz.sources(),
3427         'dependencies': specific_fuzz.dependencies(),
3428       }]
3429     endif
3430   else
3431     execs = [{
3432       'name': 'qemu-' + target_name,
3433       'win_subsystem': 'console',
3434       'sources': [],
3435       'dependencies': []
3436     }]
3437   endif
3438   foreach exe: execs
3439     exe_name = exe['name']
3440     if targetos == 'darwin'
3441       exe_name += '-unsigned'
3442     endif
3443
3444     emulator = executable(exe_name, exe['sources'],
3445                install: true,
3446                c_args: c_args,
3447                dependencies: arch_deps + deps + exe['dependencies'],
3448                objects: lib.extract_all_objects(recursive: true),
3449                link_language: link_language,
3450                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3451                link_args: link_args,
3452                win_subsystem: exe['win_subsystem'])
3453
3454     if targetos == 'darwin'
3455       icon = 'pc-bios/qemu.rsrc'
3456       build_input = [emulator, files(icon)]
3457       install_input = [
3458         get_option('bindir') / exe_name,
3459         meson.current_source_dir() / icon
3460       ]
3461       if 'CONFIG_HVF' in config_target
3462         entitlements = 'accel/hvf/entitlements.plist'
3463         build_input += files(entitlements)
3464         install_input += meson.current_source_dir() / entitlements
3465       endif
3466
3467       emulators += {exe['name'] : custom_target(exe['name'],
3468                    input: build_input,
3469                    output: exe['name'],
3470                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3471       }
3472
3473       meson.add_install_script(entitlement, '--install',
3474                                get_option('bindir') / exe['name'],
3475                                install_input)
3476     else
3477       emulators += {exe['name']: emulator}
3478     endif
3479
3480     if stap.found()
3481       foreach stp: [
3482         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3483         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3484         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3485         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3486       ]
3487         custom_target(exe['name'] + stp['ext'],
3488                       input: trace_events_all,
3489                       output: exe['name'] + stp['ext'],
3490                       install: stp['install'],
3491                       install_dir: get_option('datadir') / 'systemtap/tapset',
3492                       command: [
3493                         tracetool, '--group=all', '--format=' + stp['fmt'],
3494                         '--binary=' + stp['bin'],
3495                         '--target-name=' + target_name,
3496                         '--target-type=' + target_type,
3497                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3498                         '@INPUT@', '@OUTPUT@'
3499                       ],
3500                       depend_files: tracetool_depends)
3501       endforeach
3502     endif
3503   endforeach
3504 endforeach
3505
3506 # Other build targets
3507
3508 if 'CONFIG_PLUGIN' in config_host
3509   install_headers('include/qemu/qemu-plugin.h')
3510 endif
3511
3512 subdir('qga')
3513
3514 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3515 # when we don't build tools or system
3516 if xkbcommon.found()
3517   # used for the update-keymaps target, so include rules even if !have_tools
3518   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3519                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3520 endif
3521
3522 if have_tools
3523   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3524              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3525   qemu_io = executable('qemu-io', files('qemu-io.c'),
3526              dependencies: [block, qemuutil], install: true)
3527   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3528                dependencies: [blockdev, qemuutil, gnutls, selinux],
3529                install: true)
3530
3531   subdir('storage-daemon')
3532   subdir('contrib/rdmacm-mux')
3533   subdir('contrib/elf2dmp')
3534
3535   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3536              dependencies: qemuutil,
3537              install: true)
3538
3539   if have_vhost_user
3540     subdir('contrib/vhost-user-blk')
3541     subdir('contrib/vhost-user-gpu')
3542     subdir('contrib/vhost-user-input')
3543     subdir('contrib/vhost-user-scsi')
3544   endif
3545
3546   if targetos == 'linux'
3547     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3548                dependencies: [qemuutil, libcap_ng],
3549                install: true,
3550                install_dir: get_option('libexecdir'))
3551
3552     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3553                dependencies: [authz, crypto, io, qom, qemuutil,
3554                               libcap_ng, mpathpersist],
3555                install: true)
3556   endif
3557
3558   if have_ivshmem
3559     subdir('contrib/ivshmem-client')
3560     subdir('contrib/ivshmem-server')
3561   endif
3562 endif
3563
3564 subdir('scripts')
3565 subdir('tools')
3566 subdir('pc-bios')
3567 subdir('docs')
3568 subdir('tests')
3569 if gtk.found()
3570   subdir('po')
3571 endif
3572
3573 if host_machine.system() == 'windows'
3574   nsis_cmd = [
3575     find_program('scripts/nsis.py'),
3576     '@OUTPUT@',
3577     get_option('prefix'),
3578     meson.current_source_dir(),
3579     host_machine.cpu(),
3580     '--',
3581     '-DDISPLAYVERSION=' + meson.project_version(),
3582   ]
3583   if build_docs
3584     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3585   endif
3586   if gtk.found()
3587     nsis_cmd += '-DCONFIG_GTK=y'
3588   endif
3589
3590   nsis = custom_target('nsis',
3591                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3592                        input: files('qemu.nsi'),
3593                        build_always_stale: true,
3594                        command: nsis_cmd + ['@INPUT@'])
3595   alias_target('installer', nsis)
3596 endif
3597
3598 #########################
3599 # Configuration summary #
3600 #########################
3601
3602 # Directories
3603 summary_info = {}
3604 summary_info += {'Install prefix':    get_option('prefix')}
3605 summary_info += {'BIOS directory':    qemu_datadir}
3606 summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3607 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3608 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3609 summary_info += {'module directory':  qemu_moddir}
3610 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3611 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3612 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3613 if targetos != 'windows'
3614   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3615   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3616 else
3617   summary_info += {'local state directory': 'queried at runtime'}
3618 endif
3619 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3620 summary_info += {'Build directory':   meson.current_build_dir()}
3621 summary_info += {'Source path':       meson.current_source_dir()}
3622 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3623 summary(summary_info, bool_yn: true, section: 'Directories')
3624
3625 # Host binaries
3626 summary_info = {}
3627 summary_info += {'git':               config_host['GIT']}
3628 summary_info += {'make':              config_host['MAKE']}
3629 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3630 summary_info += {'sphinx-build':      sphinx_build}
3631 if config_host.has_key('HAVE_GDB_BIN')
3632   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3633 endif
3634 summary_info += {'iasl':              iasl}
3635 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3636 if targetos == 'windows' and have_ga
3637   summary_info += {'wixl':            wixl}
3638 endif
3639 if slirp_opt != 'disabled' and have_system
3640   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3641 endif
3642 summary(summary_info, bool_yn: true, section: 'Host binaries')
3643
3644 # Configurable features
3645 summary_info = {}
3646 summary_info += {'Documentation':     build_docs}
3647 summary_info += {'system-mode emulation': have_system}
3648 summary_info += {'user-mode emulation': have_user}
3649 summary_info += {'block layer':       have_block}
3650 summary_info += {'Install blobs':     get_option('install_blobs')}
3651 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3652 if config_host.has_key('CONFIG_MODULES')
3653   summary_info += {'alternative module path': get_option('module_upgrades')}
3654 endif
3655 summary_info += {'fuzzing support':   get_option('fuzzing')}
3656 if have_system
3657   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3658 endif
3659 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3660 if 'simple' in get_option('trace_backends')
3661   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3662 endif
3663 summary_info += {'D-Bus display':     dbus_display}
3664 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3665 summary_info += {'vhost-kernel support': have_vhost_kernel}
3666 summary_info += {'vhost-net support': have_vhost_net}
3667 summary_info += {'vhost-user support': have_vhost_user}
3668 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3669 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3670 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3671 summary_info += {'build guest agent': have_ga}
3672 summary(summary_info, bool_yn: true, section: 'Configurable features')
3673
3674 # Compilation information
3675 summary_info = {}
3676 summary_info += {'host CPU':          cpu}
3677 summary_info += {'host endianness':   build_machine.endian()}
3678 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3679 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3680 if link_language == 'cpp'
3681   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3682 else
3683   summary_info += {'C++ compiler':      false}
3684 endif
3685 if targetos == 'darwin'
3686   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3687 endif
3688 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3689                                                + ['-O' + get_option('optimization')]
3690                                                + (get_option('debug') ? ['-g'] : []))}
3691 if link_language == 'cpp'
3692   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3693                                                + ['-O' + get_option('optimization')]
3694                                                + (get_option('debug') ? ['-g'] : []))}
3695 endif
3696 if targetos == 'darwin'
3697   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3698                                                + ['-O' + get_option('optimization')]
3699                                                + (get_option('debug') ? ['-g'] : []))}
3700 endif
3701 link_args = get_option(link_language + '_link_args')
3702 if link_args.length() > 0
3703   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3704 endif
3705 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3706 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3707 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3708 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3709 summary_info += {'profiler':          get_option('profiler')}
3710 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3711 summary_info += {'PIE':               get_option('b_pie')}
3712 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3713 summary_info += {'malloc trim support': has_malloc_trim}
3714 summary_info += {'membarrier':        have_membarrier}
3715 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3716 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3717 summary_info += {'memory allocator':  get_option('malloc')}
3718 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3719 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3720 summary_info += {'gprof enabled':     get_option('gprof')}
3721 summary_info += {'gcov':              get_option('b_coverage')}
3722 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3723 summary_info += {'CFI support':       get_option('cfi')}
3724 if get_option('cfi')
3725   summary_info += {'CFI debug support': get_option('cfi_debug')}
3726 endif
3727 summary_info += {'strip binaries':    get_option('strip')}
3728 summary_info += {'sparse':            sparse}
3729 summary_info += {'mingw32 support':   targetos == 'windows'}
3730
3731 # snarf the cross-compilation information for tests
3732 foreach target: target_dirs
3733   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3734   if fs.exists(tcg_mak)
3735     config_cross_tcg = keyval.load(tcg_mak)
3736     target = config_cross_tcg['TARGET_NAME']
3737     compiler = ''
3738     if 'CC' in config_cross_tcg
3739       summary_info += {target + ' tests': config_cross_tcg['CC']}
3740     endif
3741    endif
3742 endforeach
3743
3744 summary(summary_info, bool_yn: true, section: 'Compilation')
3745
3746 # Targets and accelerators
3747 summary_info = {}
3748 if have_system
3749   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3750   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3751   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3752   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3753   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3754   summary_info += {'Xen support':       xen.found()}
3755   if xen.found()
3756     summary_info += {'xen ctrl version':  xen.version()}
3757   endif
3758 endif
3759 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3760 if config_all.has_key('CONFIG_TCG')
3761   if get_option('tcg_interpreter')
3762     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3763   else
3764     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3765   endif
3766   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3767   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3768 endif
3769 summary_info += {'target list':       ' '.join(target_dirs)}
3770 if have_system
3771   summary_info += {'default devices':   get_option('default_devices')}
3772   summary_info += {'out of process emulation': multiprocess_allowed}
3773 endif
3774 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3775
3776 # Block layer
3777 summary_info = {}
3778 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3779 summary_info += {'coroutine pool':    have_coroutine_pool}
3780 if have_block
3781   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3782   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3783   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3784   summary_info += {'VirtFS support':    have_virtfs}
3785   summary_info += {'build virtiofs daemon': have_virtiofsd}
3786   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3787   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3788   summary_info += {'bochs support':     get_option('bochs').allowed()}
3789   summary_info += {'cloop support':     get_option('cloop').allowed()}
3790   summary_info += {'dmg support':       get_option('dmg').allowed()}
3791   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3792   summary_info += {'vdi support':       get_option('vdi').allowed()}
3793   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3794   summary_info += {'qed support':       get_option('qed').allowed()}
3795   summary_info += {'parallels support': get_option('parallels').allowed()}
3796   summary_info += {'FUSE exports':      fuse}
3797 endif
3798 summary(summary_info, bool_yn: true, section: 'Block layer support')
3799
3800 # Crypto
3801 summary_info = {}
3802 summary_info += {'TLS priority':      get_option('tls_priority')}
3803 summary_info += {'GNUTLS support':    gnutls}
3804 if gnutls.found()
3805   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3806 endif
3807 summary_info += {'libgcrypt':         gcrypt}
3808 summary_info += {'nettle':            nettle}
3809 if nettle.found()
3810    summary_info += {'  XTS':             xts != 'private'}
3811 endif
3812 summary_info += {'AF_ALG support':    have_afalg}
3813 summary_info += {'rng-none':          get_option('rng_none')}
3814 summary_info += {'Linux keyring':     have_keyring}
3815 summary(summary_info, bool_yn: true, section: 'Crypto')
3816
3817 # Libraries
3818 summary_info = {}
3819 if targetos == 'darwin'
3820   summary_info += {'Cocoa support':           cocoa}
3821   summary_info += {'vmnet.framework support': vmnet}
3822 endif
3823 summary_info += {'SDL support':       sdl}
3824 summary_info += {'SDL image support': sdl_image}
3825 summary_info += {'GTK support':       gtk}
3826 summary_info += {'pixman':            pixman}
3827 summary_info += {'VTE support':       vte}
3828 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3829 summary_info += {'libtasn1':          tasn1}
3830 summary_info += {'PAM':               pam}
3831 summary_info += {'iconv support':     iconv}
3832 summary_info += {'curses support':    curses}
3833 summary_info += {'virgl support':     virgl}
3834 summary_info += {'curl support':      curl}
3835 summary_info += {'Multipath support': mpathpersist}
3836 summary_info += {'PNG support':       png}
3837 summary_info += {'VNC support':       vnc}
3838 if vnc.found()
3839   summary_info += {'VNC SASL support':  sasl}
3840   summary_info += {'VNC JPEG support':  jpeg}
3841 endif
3842 if targetos not in ['darwin', 'haiku', 'windows']
3843   summary_info += {'OSS support':     oss}
3844 elif targetos == 'darwin'
3845   summary_info += {'CoreAudio support': coreaudio}
3846 elif targetos == 'windows'
3847   summary_info += {'DirectSound support': dsound}
3848 endif
3849 if targetos == 'linux'
3850   summary_info += {'ALSA support':    alsa}
3851   summary_info += {'PulseAudio support': pulse}
3852 endif
3853 summary_info += {'JACK support':      jack}
3854 summary_info += {'brlapi support':    brlapi}
3855 summary_info += {'vde support':       vde}
3856 summary_info += {'netmap support':    have_netmap}
3857 summary_info += {'l2tpv3 support':    have_l2tpv3}
3858 summary_info += {'Linux AIO support': libaio}
3859 summary_info += {'Linux io_uring support': linux_io_uring}
3860 summary_info += {'ATTR/XATTR support': libattr}
3861 summary_info += {'RDMA support':      rdma}
3862 summary_info += {'PVRDMA support':    have_pvrdma}
3863 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3864 summary_info += {'libcap-ng support': libcap_ng}
3865 summary_info += {'bpf support':       libbpf}
3866 summary_info += {'spice protocol support': spice_protocol}
3867 if spice_protocol.found()
3868   summary_info += {'  spice server support': spice}
3869 endif
3870 summary_info += {'rbd support':       rbd}
3871 summary_info += {'smartcard support': cacard}
3872 summary_info += {'U2F support':       u2f}
3873 summary_info += {'libusb':            libusb}
3874 summary_info += {'usb net redir':     usbredir}
3875 summary_info += {'OpenGL support (epoxy)': opengl}
3876 summary_info += {'GBM':               gbm}
3877 summary_info += {'libiscsi support':  libiscsi}
3878 summary_info += {'libnfs support':    libnfs}
3879 if targetos == 'windows'
3880   if have_ga
3881     summary_info += {'QGA VSS support':   have_qga_vss}
3882   endif
3883 endif
3884 summary_info += {'seccomp support':   seccomp}
3885 summary_info += {'GlusterFS support': glusterfs}
3886 summary_info += {'TPM support':       have_tpm}
3887 summary_info += {'libssh support':    libssh}
3888 summary_info += {'lzo support':       lzo}
3889 summary_info += {'snappy support':    snappy}
3890 summary_info += {'bzip2 support':     libbzip2}
3891 summary_info += {'lzfse support':     liblzfse}
3892 summary_info += {'zstd support':      zstd}
3893 summary_info += {'NUMA host support': numa}
3894 summary_info += {'capstone':          capstone}
3895 summary_info += {'libpmem support':   libpmem}
3896 summary_info += {'libdaxctl support': libdaxctl}
3897 summary_info += {'libudev':           libudev}
3898 # Dummy dependency, keep .found()
3899 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3900 summary_info += {'selinux':           selinux}
3901 summary(summary_info, bool_yn: true, section: 'Dependencies')
3902
3903 if not supported_cpus.contains(cpu)
3904   message()
3905   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3906   message()
3907   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3908   message('The QEMU project intends to remove support for this host CPU in')
3909   message('a future release if nobody volunteers to maintain it and to')
3910   message('provide a build host for our continuous integration setup.')
3911   message('configure has succeeded and you can continue to build, but')
3912   message('if you care about QEMU on this platform you should contact')
3913   message('us upstream at qemu-devel@nongnu.org.')
3914 endif
3915
3916 if not supported_oses.contains(targetos)
3917   message()
3918   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3919   message()
3920   message('Host OS ' + targetos + 'support is not currently maintained.')
3921   message('The QEMU project intends to remove support for this host OS in')
3922   message('a future release if nobody volunteers to maintain it and to')
3923   message('provide a build host for our continuous integration setup.')
3924   message('configure has succeeded and you can continue to build, but')
3925   message('if you care about QEMU on this platform you should contact')
3926   message('us upstream at qemu-devel@nongnu.org.')
3927 endif