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 vfio_user_server_allowed = get_option('vfio_user_server') \
 312   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 313   .allowed()
 314
 315 have_tpm = get_option('tpm') \
 316   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 317   .allowed()
 318
 319 # vhost
 320 have_vhost_user = get_option('vhost_user') \
 321   .disable_auto_if(targetos != 'linux') \
 322   .require(targetos != 'windows',
 323            error_message: 'vhost-user is not available on Windows').allowed()
 324 have_vhost_vdpa = get_option('vhost_vdpa') \
 325   .require(targetos == 'linux',
 326            error_message: 'vhost-vdpa is only available on Linux').allowed()
 327 have_vhost_kernel = get_option('vhost_kernel') \
 328   .require(targetos == 'linux',
 329            error_message: 'vhost-kernel is only available on Linux').allowed()
 330 have_vhost_user_crypto = get_option('vhost_crypto') \
 331   .require(have_vhost_user,
 332            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 333
 334 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 335
 336 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 337 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 338 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 339 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 340
 341 # Target-specific libraries and flags
 342 libm = cc.find_library('m', required: false)
 343 threads = dependency('threads')
 344 util = cc.find_library('util', required: false)
 345 winmm = []
 346 socket = []
 347 version_res = []
 348 coref = []
 349 iokit = []
 350 emulator_link_args = []
 351 nvmm =not_found
 352 hvf = not_found
 353 midl = not_found
 354 widl = not_found
 355 host_dsosuf = '.so'
 356 if targetos == 'windows'
 357   midl = find_program('midl', required: false)
 358   widl = find_program('widl', required: false)
 359   socket = cc.find_library('ws2_32')
 360   winmm = cc.find_library('winmm')
 361
 362   win = import('windows')
 363   version_res = win.compile_resources('version.rc',
 364                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 365                                       include_directories: include_directories('.'))
 366   host_dsosuf = '.dll'
 367 elif targetos == 'darwin'
 368   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 369   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 370   host_dsosuf = '.dylib'
 371 elif targetos == 'sunos'
 372   socket = [cc.find_library('socket'),
 373             cc.find_library('nsl'),
 374             cc.find_library('resolv')]
 375 elif targetos == 'haiku'
 376   socket = [cc.find_library('posix_error_mapper'),
 377             cc.find_library('network'),
 378             cc.find_library('bsd')]
 379 elif targetos == 'openbsd'
 380   if get_option('tcg').allowed() and target_dirs.length() > 0
 381     # Disable OpenBSD W^X if available
 382     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 383   endif
 384 endif
 385
 386 # Target-specific configuration of accelerators
 387 accelerators = []
 388 if get_option('kvm').allowed() and targetos == 'linux'
 389   accelerators += 'CONFIG_KVM'
 390 endif
 391 if get_option('whpx').allowed() and targetos == 'windows'
 392   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 393     error('WHPX requires 64-bit host')
 394   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 395        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 396     accelerators += 'CONFIG_WHPX'
 397   endif
 398 endif
 399 if get_option('hvf').allowed()
 400   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 401                    required: get_option('hvf'))
 402   if hvf.found()
 403     accelerators += 'CONFIG_HVF'
 404   endif
 405 endif
 406 if get_option('hax').allowed()
 407   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 408     accelerators += 'CONFIG_HAX'
 409   endif
 410 endif
 411 if targetos == 'netbsd'
 412   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 413   if nvmm.found()
 414     accelerators += 'CONFIG_NVMM'
 415   endif
 416 endif
 417
 418 tcg_arch = host_arch
 419 if get_option('tcg').allowed()
 420   if host_arch == 'unknown'
 421     if get_option('tcg_interpreter')
 422       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 423     else
 424       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 425     endif
 426   elif get_option('tcg_interpreter')
 427     warning('Use of the TCG interpreter is not recommended on this host')
 428     warning('architecture. There is a native TCG execution backend available')
 429     warning('which provides substantially better performance and reliability.')
 430     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 431     warning('configuration option on this architecture to use the native')
 432     warning('backend.')
 433   endif
 434   if get_option('tcg_interpreter')
 435     tcg_arch = 'tci'
 436   elif host_arch == 'sparc64'
 437     tcg_arch = 'sparc'
 438   elif host_arch == 'x86_64'
 439     tcg_arch = 'i386'
 440   elif host_arch == 'ppc64'
 441     tcg_arch = 'ppc'
 442   endif
 443   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 444                         language: ['c', 'cpp', 'objc'])
 445
 446   accelerators += 'CONFIG_TCG'
 447   config_host += { 'CONFIG_TCG': 'y' }
 448 endif
 449
 450 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 451   error('KVM not available on this platform')
 452 endif
 453 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 454   error('HVF not available on this platform')
 455 endif
 456 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 457   error('NVMM not available on this platform')
 458 endif
 459 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 460   error('WHPX not available on this platform')
 461 endif
 462
 463 ################
 464 # Dependencies #
 465 ################
 466
 467 # The path to glib.h is added to all compilation commands.  This was
 468 # grandfathered in from the QEMU Makefiles.
 469 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 470                       native: false, language: ['c', 'cpp', 'objc'])
 471 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 472                           link_args: config_host['GLIB_LIBS'].split(),
 473                           version: config_host['GLIB_VERSION'],
 474                           variables: {
 475                             'bindir': config_host['GLIB_BINDIR'],
 476                           })
 477 # override glib dep with the configure results (for subprojects)
 478 meson.override_dependency('glib-2.0', glib)
 479
 480 gio = not_found
 481 gdbus_codegen = not_found
 482 if not get_option('gio').auto() or have_system
 483   gio = dependency('gio-2.0', required: get_option('gio'),
 484                    method: 'pkg-config', kwargs: static_kwargs)
 485   if gio.found() and not cc.links('''
 486     #include <gio/gio.h>
 487     int main(void)
 488     {
 489       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 490       return 0;
 491     }''', dependencies: [glib, gio])
 492     if get_option('gio').enabled()
 493       error('The installed libgio is broken for static linking')
 494     endif
 495     gio = not_found
 496   endif
 497   if gio.found()
 498     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 499                                  required: get_option('gio'))
 500     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 501                           method: 'pkg-config', kwargs: static_kwargs)
 502     gio = declare_dependency(dependencies: [gio, gio_unix],
 503                              version: gio.version())
 504   endif
 505 endif
 506
 507 lttng = not_found
 508 if 'ust' in get_option('trace_backends')
 509   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 510                      method: 'pkg-config', kwargs: static_kwargs)
 511 endif
 512 pixman = not_found
 513 if have_system or have_tools
 514   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 515                       method: 'pkg-config', kwargs: static_kwargs)
 516 endif
 517 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 518
 519 libaio = not_found
 520 if not get_option('linux_aio').auto() or have_block
 521   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 522                            required: get_option('linux_aio'),
 523                            kwargs: static_kwargs)
 524 endif
 525
 526 linux_io_uring_test = '''
 527   #include <liburing.h>
 528   #include <linux/errqueue.h>
 529
 530   int main(void) { return 0; }'''
 531
 532 linux_io_uring = not_found
 533 if not get_option('linux_io_uring').auto() or have_block
 534   linux_io_uring = dependency('liburing', version: '>=0.3',
 535                               required: get_option('linux_io_uring'),
 536                               method: 'pkg-config', kwargs: static_kwargs)
 537   if not cc.links(linux_io_uring_test)
 538     linux_io_uring = not_found
 539   endif
 540 endif
 541
 542 libnfs = not_found
 543 if not get_option('libnfs').auto() or have_block
 544   libnfs = dependency('libnfs', version: '>=1.9.3',
 545                       required: get_option('libnfs'),
 546                       method: 'pkg-config', kwargs: static_kwargs)
 547 endif
 548
 549 libattr_test = '''
 550   #include <stddef.h>
 551   #include <sys/types.h>
 552   #ifdef CONFIG_LIBATTR
 553   #include <attr/xattr.h>
 554   #else
 555   #include <sys/xattr.h>
 556   #endif
 557   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 558
 559 libattr = not_found
 560 have_old_libattr = false
 561 if get_option('attr').allowed()
 562   if cc.links(libattr_test)
 563     libattr = declare_dependency()
 564   else
 565     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 566                               required: get_option('attr'),
 567                               kwargs: static_kwargs)
 568     if libattr.found() and not \
 569       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 570       libattr = not_found
 571       if get_option('attr').enabled()
 572         error('could not link libattr')
 573       else
 574         warning('could not link libattr, disabling')
 575       endif
 576     else
 577       have_old_libattr = libattr.found()
 578     endif
 579   endif
 580 endif
 581
 582 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 583 if cocoa.found() and get_option('sdl').enabled()
 584   error('Cocoa and SDL cannot be enabled at the same time')
 585 endif
 586 if cocoa.found() and get_option('gtk').enabled()
 587   error('Cocoa and GTK+ cannot be enabled at the same time')
 588 endif
 589
 590 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 591 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 592                                               'VMNET_BRIDGED_MODE',
 593                                               dependencies: vmnet)
 594   vmnet = not_found
 595   if get_option('vmnet').enabled()
 596     error('vmnet.framework API is outdated')
 597   else
 598     warning('vmnet.framework API is outdated, disabling')
 599   endif
 600 endif
 601
 602 seccomp = not_found
 603 if not get_option('seccomp').auto() or have_system or have_tools
 604   seccomp = dependency('libseccomp', version: '>=2.3.0',
 605                        required: get_option('seccomp'),
 606                        method: 'pkg-config', kwargs: static_kwargs)
 607 endif
 608
 609 libcap_ng = not_found
 610 if not get_option('cap_ng').auto() or have_system or have_tools
 611   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 612                               required: get_option('cap_ng'),
 613                               kwargs: static_kwargs)
 614 endif
 615 if libcap_ng.found() and not cc.links('''
 616    #include <cap-ng.h>
 617    int main(void)
 618    {
 619      capng_capability_to_name(CAPNG_EFFECTIVE);
 620      return 0;
 621    }''', dependencies: libcap_ng)
 622   libcap_ng = not_found
 623   if get_option('cap_ng').enabled()
 624     error('could not link libcap-ng')
 625   else
 626     warning('could not link libcap-ng, disabling')
 627   endif
 628 endif
 629
 630 if get_option('xkbcommon').auto() and not have_system and not have_tools
 631   xkbcommon = not_found
 632 else
 633   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 634                          method: 'pkg-config', kwargs: static_kwargs)
 635 endif
 636
 637 vde = not_found
 638 if not get_option('vde').auto() or have_system or have_tools
 639   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 640                            required: get_option('vde'),
 641                            kwargs: static_kwargs)
 642 endif
 643 if vde.found() and not cc.links('''
 644    #include <libvdeplug.h>
 645    int main(void)
 646    {
 647      struct vde_open_args a = {0, 0, 0};
 648      char s[] = "";
 649      vde_open(s, s, &a);
 650      return 0;
 651    }''', dependencies: vde)
 652   vde = not_found
 653   if get_option('cap_ng').enabled()
 654     error('could not link libvdeplug')
 655   else
 656     warning('could not link libvdeplug, disabling')
 657   endif
 658 endif
 659
 660 pulse = not_found
 661 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 662   pulse = dependency('libpulse', required: get_option('pa'),
 663                      method: 'pkg-config', kwargs: static_kwargs)
 664 endif
 665 alsa = not_found
 666 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 667   alsa = dependency('alsa', required: get_option('alsa'),
 668                     method: 'pkg-config', kwargs: static_kwargs)
 669 endif
 670 jack = not_found
 671 if not get_option('jack').auto() or have_system
 672   jack = dependency('jack', required: get_option('jack'),
 673                     method: 'pkg-config', kwargs: static_kwargs)
 674 endif
 675
 676 spice_protocol = not_found
 677 if not get_option('spice_protocol').auto() or have_system
 678   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 679                               required: get_option('spice_protocol'),
 680                               method: 'pkg-config', kwargs: static_kwargs)
 681 endif
 682 spice = not_found
 683 if not get_option('spice').auto() or have_system
 684   spice = dependency('spice-server', version: '>=0.12.5',
 685                      required: get_option('spice'),
 686                      method: 'pkg-config', kwargs: static_kwargs)
 687 endif
 688 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 689
 690 rt = cc.find_library('rt', required: false)
 691
 692 libiscsi = not_found
 693 if not get_option('libiscsi').auto() or have_block
 694   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 695                          required: get_option('libiscsi'),
 696                          method: 'pkg-config', kwargs: static_kwargs)
 697 endif
 698 zstd = not_found
 699 if not get_option('zstd').auto() or have_block
 700   zstd = dependency('libzstd', version: '>=1.4.0',
 701                     required: get_option('zstd'),
 702                     method: 'pkg-config', kwargs: static_kwargs)
 703 endif
 704 virgl = not_found
 705
 706 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 707 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 708   virgl = dependency('virglrenderer',
 709                      method: 'pkg-config',
 710                      required: get_option('virglrenderer'),
 711                      kwargs: static_kwargs)
 712 endif
 713 curl = not_found
 714 if not get_option('curl').auto() or have_block
 715   curl = dependency('libcurl', version: '>=7.29.0',
 716                     method: 'pkg-config',
 717                     required: get_option('curl'),
 718                     kwargs: static_kwargs)
 719 endif
 720 libudev = not_found
 721 if targetos == 'linux' and (have_system or have_tools)
 722   libudev = dependency('libudev',
 723                        method: 'pkg-config',
 724                        required: get_option('libudev'),
 725                        kwargs: static_kwargs)
 726 endif
 727
 728 mpathlibs = [libudev]
 729 mpathpersist = not_found
 730 mpathpersist_new_api = false
 731 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 732   mpath_test_source_new = '''
 733     #include <libudev.h>
 734     #include <mpath_persist.h>
 735     unsigned mpath_mx_alloc_len = 1024;
 736     int logsink;
 737     static struct config *multipath_conf;
 738     extern struct udev *udev;
 739     extern struct config *get_multipath_config(void);
 740     extern void put_multipath_config(struct config *conf);
 741     struct udev *udev;
 742     struct config *get_multipath_config(void) { return multipath_conf; }
 743     void put_multipath_config(struct config *conf) { }
 744     int main(void) {
 745         udev = udev_new();
 746         multipath_conf = mpath_lib_init();
 747         return 0;
 748     }'''
 749   mpath_test_source_old = '''
 750       #include <libudev.h>
 751       #include <mpath_persist.h>
 752       unsigned mpath_mx_alloc_len = 1024;
 753       int logsink;
 754       int main(void) {
 755           struct udev *udev = udev_new();
 756           mpath_lib_init(udev);
 757           return 0;
 758       }'''
 759   libmpathpersist = cc.find_library('mpathpersist',
 760                                     required: get_option('mpath'),
 761                                     kwargs: static_kwargs)
 762   if libmpathpersist.found()
 763     mpathlibs += libmpathpersist
 764     if enable_static
 765       mpathlibs += cc.find_library('devmapper',
 766                                      required: get_option('mpath'),
 767                                      kwargs: static_kwargs)
 768     endif
 769     mpathlibs += cc.find_library('multipath',
 770                                  required: get_option('mpath'),
 771                                  kwargs: static_kwargs)
 772     foreach lib: mpathlibs
 773       if not lib.found()
 774         mpathlibs = []
 775         break
 776       endif
 777     endforeach
 778     if mpathlibs.length() == 0
 779       msg = 'Dependencies missing for libmpathpersist'
 780     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 781       mpathpersist = declare_dependency(dependencies: mpathlibs)
 782       mpathpersist_new_api = true
 783     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 784       mpathpersist = declare_dependency(dependencies: mpathlibs)
 785     else
 786       msg = 'Cannot detect libmpathpersist API'
 787     endif
 788     if not mpathpersist.found()
 789       if get_option('mpath').enabled()
 790         error(msg)
 791       else
 792         warning(msg + ', disabling')
 793       endif
 794     endif
 795   endif
 796 endif
 797
 798 iconv = not_found
 799 curses = not_found
 800 if have_system and get_option('curses').allowed()
 801   curses_test = '''
 802     #if defined(__APPLE__) || defined(__OpenBSD__)
 803     #define _XOPEN_SOURCE_EXTENDED 1
 804     #endif
 805     #include <locale.h>
 806     #include <curses.h>
 807     #include <wchar.h>
 808     int main(void) {
 809       wchar_t wch = L'w';
 810       setlocale(LC_ALL, "");
 811       resize_term(0, 0);
 812       addwstr(L"wide chars\n");
 813       addnwstr(&wch, 1);
 814       add_wch(WACS_DEGREE);
 815       return 0;
 816     }'''
 817
 818   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 819   foreach curses_dep : curses_dep_list
 820     if not curses.found()
 821       curses = dependency(curses_dep,
 822                           required: false,
 823                           method: 'pkg-config',
 824                           kwargs: static_kwargs)
 825     endif
 826   endforeach
 827   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 828   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 829   if curses.found()
 830     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 831       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 832     else
 833       msg = 'curses package not usable'
 834       curses = not_found
 835     endif
 836   endif
 837   if not curses.found()
 838     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 839     if targetos != 'windows' and not has_curses_h
 840       message('Trying with /usr/include/ncursesw')
 841       curses_compile_args += ['-I/usr/include/ncursesw']
 842       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 843     endif
 844     if has_curses_h
 845       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 846       foreach curses_libname : curses_libname_list
 847         libcurses = cc.find_library(curses_libname,
 848                                     required: false,
 849                                     kwargs: static_kwargs)
 850         if libcurses.found()
 851           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 852             curses = declare_dependency(compile_args: curses_compile_args,
 853                                         dependencies: [libcurses])
 854             break
 855           else
 856             msg = 'curses library not usable'
 857           endif
 858         endif
 859       endforeach
 860     endif
 861   endif
 862   if get_option('iconv').allowed()
 863     foreach link_args : [ ['-liconv'], [] ]
 864       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 865       # We need to use libiconv if available because mixing libiconv's headers with
 866       # the system libc does not work.
 867       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 868       # included in the command line and libiconv will not be found.
 869       if cc.links('''
 870         #include <iconv.h>
 871         int main(void) {
 872           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 873           return conv != (iconv_t) -1;
 874         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 875         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 876         break
 877       endif
 878     endforeach
 879   endif
 880   if curses.found() and not iconv.found()
 881     if get_option('iconv').enabled()
 882       error('iconv not available')
 883     endif
 884     msg = 'iconv required for curses UI but not available'
 885     curses = not_found
 886   endif
 887   if not curses.found() and msg != ''
 888     if get_option('curses').enabled()
 889       error(msg)
 890     else
 891       warning(msg + ', disabling')
 892     endif
 893   endif
 894 endif
 895
 896 brlapi = not_found
 897 if not get_option('brlapi').auto() or have_system
 898   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 899                          required: get_option('brlapi'),
 900                          kwargs: static_kwargs)
 901   if brlapi.found() and not cc.links('''
 902      #include <brlapi.h>
 903      #include <stddef.h>
 904      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 905     brlapi = not_found
 906     if get_option('brlapi').enabled()
 907       error('could not link brlapi')
 908     else
 909       warning('could not link brlapi, disabling')
 910     endif
 911   endif
 912 endif
 913
 914 sdl = not_found
 915 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 916   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 917   sdl_image = not_found
 918 endif
 919 if sdl.found()
 920   # work around 2.0.8 bug
 921   sdl = declare_dependency(compile_args: '-Wno-undef',
 922                            dependencies: sdl)
 923   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 924                          method: 'pkg-config', kwargs: static_kwargs)
 925 else
 926   if get_option('sdl_image').enabled()
 927     error('sdl-image required, but SDL was @0@'.format(
 928           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 929   endif
 930   sdl_image = not_found
 931 endif
 932
 933 rbd = not_found
 934 if not get_option('rbd').auto() or have_block
 935   librados = cc.find_library('rados', required: get_option('rbd'),
 936                              kwargs: static_kwargs)
 937   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 938                            required: get_option('rbd'),
 939                            kwargs: static_kwargs)
 940   if librados.found() and librbd.found()
 941     if cc.links('''
 942       #include <stdio.h>
 943       #include <rbd/librbd.h>
 944       int main(void) {
 945         rados_t cluster;
 946         rados_create(&cluster, NULL);
 947         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 948         #error
 949         #endif
 950         return 0;
 951       }''', dependencies: [librbd, librados])
 952       rbd = declare_dependency(dependencies: [librbd, librados])
 953     elif get_option('rbd').enabled()
 954       error('librbd >= 1.12.0 required')
 955     else
 956       warning('librbd >= 1.12.0 not found, disabling')
 957     endif
 958   endif
 959 endif
 960
 961 glusterfs = not_found
 962 glusterfs_ftruncate_has_stat = false
 963 glusterfs_iocb_has_stat = false
 964 if not get_option('glusterfs').auto() or have_block
 965   glusterfs = dependency('glusterfs-api', version: '>=3',
 966                          required: get_option('glusterfs'),
 967                          method: 'pkg-config', kwargs: static_kwargs)
 968   if glusterfs.found()
 969     glusterfs_ftruncate_has_stat = cc.links('''
 970       #include <glusterfs/api/glfs.h>
 971
 972       int
 973       main(void)
 974       {
 975           /* new glfs_ftruncate() passes two additional args */
 976           return glfs_ftruncate(NULL, 0, NULL, NULL);
 977       }
 978     ''', dependencies: glusterfs)
 979     glusterfs_iocb_has_stat = cc.links('''
 980       #include <glusterfs/api/glfs.h>
 981
 982       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 983       static void
 984       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 985       {}
 986
 987       int
 988       main(void)
 989       {
 990           glfs_io_cbk iocb = &glusterfs_iocb;
 991           iocb(NULL, 0 , NULL, NULL, NULL);
 992           return 0;
 993       }
 994     ''', dependencies: glusterfs)
 995   endif
 996 endif
 997
 998 libssh = not_found
 999 if not get_option('libssh').auto() or have_block
1000   libssh = dependency('libssh', version: '>=0.8.7',
1001                     method: 'pkg-config',
1002                     required: get_option('libssh'),
1003                     kwargs: static_kwargs)
1004 endif
1005
1006 libbzip2 = not_found
1007 if not get_option('bzip2').auto() or have_block
1008   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1009                              required: get_option('bzip2'),
1010                              kwargs: static_kwargs)
1011   if libbzip2.found() and not cc.links('''
1012      #include <bzlib.h>
1013      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1014     libbzip2 = not_found
1015     if get_option('bzip2').enabled()
1016       error('could not link libbzip2')
1017     else
1018       warning('could not link libbzip2, disabling')
1019     endif
1020   endif
1021 endif
1022
1023 liblzfse = not_found
1024 if not get_option('lzfse').auto() or have_block
1025   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1026                              required: get_option('lzfse'),
1027                              kwargs: static_kwargs)
1028 endif
1029 if liblzfse.found() and not cc.links('''
1030    #include <lzfse.h>
1031    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1032   liblzfse = not_found
1033   if get_option('lzfse').enabled()
1034     error('could not link liblzfse')
1035   else
1036     warning('could not link liblzfse, disabling')
1037   endif
1038 endif
1039
1040 oss = not_found
1041 if get_option('oss').allowed() and have_system
1042   if not cc.has_header('sys/soundcard.h')
1043     # not found
1044   elif targetos == 'netbsd'
1045     oss = cc.find_library('ossaudio', required: get_option('oss'),
1046                           kwargs: static_kwargs)
1047   else
1048     oss = declare_dependency()
1049   endif
1050
1051   if not oss.found()
1052     if get_option('oss').enabled()
1053       error('OSS not found')
1054     endif
1055   endif
1056 endif
1057 dsound = not_found
1058 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1059   if cc.has_header('dsound.h')
1060     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1061   endif
1062
1063   if not dsound.found()
1064     if get_option('dsound').enabled()
1065       error('DirectSound not found')
1066     endif
1067   endif
1068 endif
1069
1070 coreaudio = not_found
1071 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1072   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1073                          required: get_option('coreaudio'))
1074 endif
1075
1076 opengl = not_found
1077 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1078   epoxy = dependency('epoxy', method: 'pkg-config',
1079                       required: get_option('opengl'), kwargs: static_kwargs)
1080   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1081     opengl = epoxy
1082   elif get_option('opengl').enabled()
1083     error('epoxy/egl.h not found')
1084   endif
1085 endif
1086 gbm = not_found
1087 if (have_system or have_tools) and (virgl.found() or opengl.found())
1088   gbm = dependency('gbm', method: 'pkg-config', required: false,
1089                    kwargs: static_kwargs)
1090 endif
1091 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and gbm.found()
1092
1093 gnutls = not_found
1094 gnutls_crypto = not_found
1095 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1096   # For general TLS support our min gnutls matches
1097   # that implied by our platform support matrix
1098   #
1099   # For the crypto backends, we look for a newer
1100   # gnutls:
1101   #
1102   #   Version 3.6.8  is needed to get XTS
1103   #   Version 3.6.13 is needed to get PBKDF
1104   #   Version 3.6.14 is needed to get HW accelerated XTS
1105   #
1106   # If newer enough gnutls isn't available, we can
1107   # still use a different crypto backend to satisfy
1108   # the platform support requirements
1109   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1110                              method: 'pkg-config',
1111                              required: false,
1112                              kwargs: static_kwargs)
1113   if gnutls_crypto.found()
1114     gnutls = gnutls_crypto
1115   else
1116     # Our min version if all we need is TLS
1117     gnutls = dependency('gnutls', version: '>=3.5.18',
1118                         method: 'pkg-config',
1119                         required: get_option('gnutls'),
1120                         kwargs: static_kwargs)
1121   endif
1122 endif
1123
1124 # We prefer use of gnutls for crypto, unless the options
1125 # explicitly asked for nettle or gcrypt.
1126 #
1127 # If gnutls isn't available for crypto, then we'll prefer
1128 # gcrypt over nettle for performance reasons.
1129 gcrypt = not_found
1130 nettle = not_found
1131 hogweed = not_found
1132 xts = 'none'
1133
1134 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1135   error('Only one of gcrypt & nettle can be enabled')
1136 endif
1137
1138 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1139 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1140   gnutls_crypto = not_found
1141 endif
1142
1143 if not gnutls_crypto.found()
1144   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1145     gcrypt = dependency('libgcrypt', version: '>=1.8',
1146                         method: 'config-tool',
1147                         required: get_option('gcrypt'),
1148                         kwargs: static_kwargs)
1149     # Debian has removed -lgpg-error from libgcrypt-config
1150     # as it "spreads unnecessary dependencies" which in
1151     # turn breaks static builds...
1152     if gcrypt.found() and enable_static
1153       gcrypt = declare_dependency(dependencies: [
1154         gcrypt,
1155         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1156     endif
1157   endif
1158   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1159     nettle = dependency('nettle', version: '>=3.4',
1160                         method: 'pkg-config',
1161                         required: get_option('nettle'),
1162                         kwargs: static_kwargs)
1163     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1164       xts = 'private'
1165     endif
1166   endif
1167 endif
1168
1169 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1170 if nettle.found() and gmp.found()
1171   hogweed = dependency('hogweed', version: '>=3.4',
1172                        method: 'pkg-config',
1173                        required: get_option('nettle'),
1174                        kwargs: static_kwargs)
1175 endif
1176
1177
1178 gtk = not_found
1179 gtkx11 = not_found
1180 vte = not_found
1181 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1182   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1183                    method: 'pkg-config',
1184                    required: get_option('gtk'),
1185                    kwargs: static_kwargs)
1186   if gtk.found()
1187     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1188                         method: 'pkg-config',
1189                         required: false,
1190                         kwargs: static_kwargs)
1191     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1192
1193     if not get_option('vte').auto() or have_system
1194       vte = dependency('vte-2.91',
1195                        method: 'pkg-config',
1196                        required: get_option('vte'),
1197                        kwargs: static_kwargs)
1198     endif
1199   endif
1200 endif
1201
1202 x11 = not_found
1203 if gtkx11.found()
1204   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1205                    kwargs: static_kwargs)
1206 endif
1207 png = not_found
1208 if get_option('png').allowed() and have_system
1209    png = dependency('libpng', required: get_option('png'),
1210                     method: 'pkg-config', kwargs: static_kwargs)
1211 endif
1212 vnc = not_found
1213 jpeg = not_found
1214 sasl = not_found
1215 if get_option('vnc').allowed() and have_system
1216   vnc = declare_dependency() # dummy dependency
1217   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1218                     method: 'pkg-config', kwargs: static_kwargs)
1219   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1220                          required: get_option('vnc_sasl'),
1221                          kwargs: static_kwargs)
1222   if sasl.found()
1223     sasl = declare_dependency(dependencies: sasl,
1224                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1225   endif
1226 endif
1227
1228 pam = not_found
1229 if not get_option('auth_pam').auto() or have_system
1230   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1231                         required: get_option('auth_pam'),
1232                         kwargs: static_kwargs)
1233 endif
1234 if pam.found() and not cc.links('''
1235    #include <stddef.h>
1236    #include <security/pam_appl.h>
1237    int main(void) {
1238      const char *service_name = "qemu";
1239      const char *user = "frank";
1240      const struct pam_conv pam_conv = { 0 };
1241      pam_handle_t *pamh = NULL;
1242      pam_start(service_name, user, &pam_conv, &pamh);
1243      return 0;
1244    }''', dependencies: pam)
1245   pam = not_found
1246   if get_option('auth_pam').enabled()
1247     error('could not link libpam')
1248   else
1249     warning('could not link libpam, disabling')
1250   endif
1251 endif
1252
1253 snappy = not_found
1254 if not get_option('snappy').auto() or have_system
1255   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1256                            required: get_option('snappy'),
1257                            kwargs: static_kwargs)
1258 endif
1259 if snappy.found() and not linker.links('''
1260    #include <snappy-c.h>
1261    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1262   snappy = not_found
1263   if get_option('snappy').enabled()
1264     error('could not link libsnappy')
1265   else
1266     warning('could not link libsnappy, disabling')
1267   endif
1268 endif
1269
1270 lzo = not_found
1271 if not get_option('lzo').auto() or have_system
1272   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1273                         required: get_option('lzo'),
1274                         kwargs: static_kwargs)
1275 endif
1276 if lzo.found() and not cc.links('''
1277    #include <lzo/lzo1x.h>
1278    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1279   lzo = not_found
1280   if get_option('lzo').enabled()
1281     error('could not link liblzo2')
1282   else
1283     warning('could not link liblzo2, disabling')
1284   endif
1285 endif
1286
1287 numa = not_found
1288 if not get_option('numa').auto() or have_system or have_tools
1289   numa = cc.find_library('numa', has_headers: ['numa.h'],
1290                               required: get_option('numa'),
1291                               kwargs: static_kwargs)
1292 endif
1293 if numa.found() and not cc.links('''
1294    #include <numa.h>
1295    int main(void) { return numa_available(); }
1296    ''', dependencies: numa)
1297   numa = not_found
1298   if get_option('numa').enabled()
1299     error('could not link numa')
1300   else
1301     warning('could not link numa, disabling')
1302   endif
1303 endif
1304
1305 rdma = not_found
1306 if not get_option('rdma').auto() or have_system
1307   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1308   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1309                                required: get_option('rdma'),
1310                                kwargs: static_kwargs),
1311                cc.find_library('ibverbs', required: get_option('rdma'),
1312                                kwargs: static_kwargs),
1313                libumad]
1314   rdma = declare_dependency(dependencies: rdma_libs)
1315   foreach lib: rdma_libs
1316     if not lib.found()
1317       rdma = not_found
1318     endif
1319   endforeach
1320 endif
1321
1322 xen = not_found
1323 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1324   xencontrol = dependency('xencontrol', required: false,
1325                           method: 'pkg-config', kwargs: static_kwargs)
1326   if xencontrol.found()
1327     xen_pc = declare_dependency(version: xencontrol.version(),
1328       dependencies: [
1329         xencontrol,
1330         # disabler: true makes xen_pc.found() return false if any is not found
1331         dependency('xenstore', required: false,
1332                    method: 'pkg-config', kwargs: static_kwargs,
1333                    disabler: true),
1334         dependency('xenforeignmemory', required: false,
1335                    method: 'pkg-config', kwargs: static_kwargs,
1336                    disabler: true),
1337         dependency('xengnttab', required: false,
1338                    method: 'pkg-config', kwargs: static_kwargs,
1339                    disabler: true),
1340         dependency('xenevtchn', required: false,
1341                    method: 'pkg-config', kwargs: static_kwargs,
1342                    disabler: true),
1343         dependency('xendevicemodel', required: false,
1344                    method: 'pkg-config', kwargs: static_kwargs,
1345                    disabler: true),
1346         # optional, no "disabler: true"
1347         dependency('xentoolcore', required: false,
1348                    method: 'pkg-config', kwargs: static_kwargs)])
1349     if xen_pc.found()
1350       xen = xen_pc
1351     endif
1352   endif
1353   if not xen.found()
1354     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' ]
1355     xen_libs = {
1356       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1357       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1358       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1359       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1360       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1361       '4.6.0': [ 'xenstore', 'xenctrl' ],
1362       '4.5.0': [ 'xenstore', 'xenctrl' ],
1363       '4.2.0': [ 'xenstore', 'xenctrl' ],
1364     }
1365     xen_deps = {}
1366     foreach ver: xen_tests
1367       # cache the various library tests to avoid polluting the logs
1368       xen_test_deps = []
1369       foreach l: xen_libs[ver]
1370         if l not in xen_deps
1371           xen_deps += { l: cc.find_library(l, required: false) }
1372         endif
1373         xen_test_deps += xen_deps[l]
1374       endforeach
1375
1376       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1377       xen_version = ver.split('.')
1378       xen_ctrl_version = xen_version[0] + \
1379         ('0' + xen_version[1]).substring(-2) + \
1380         ('0' + xen_version[2]).substring(-2)
1381       if cc.links(files('scripts/xen-detect.c'),
1382                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1383                   dependencies: xen_test_deps)
1384         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1385         break
1386       endif
1387     endforeach
1388   endif
1389   if xen.found()
1390     accelerators += 'CONFIG_XEN'
1391   elif get_option('xen').enabled()
1392     error('could not compile and link Xen test program')
1393   endif
1394 endif
1395 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1396   .require(xen.found(),
1397            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1398   .require(targetos == 'linux',
1399            error_message: 'Xen PCI passthrough not available on this platform') \
1400   .allowed()
1401
1402
1403 cacard = not_found
1404 if not get_option('smartcard').auto() or have_system
1405   cacard = dependency('libcacard', required: get_option('smartcard'),
1406                       version: '>=2.5.1', method: 'pkg-config',
1407                       kwargs: static_kwargs)
1408 endif
1409 u2f = not_found
1410 if have_system
1411   u2f = dependency('u2f-emu', required: get_option('u2f'),
1412                    method: 'pkg-config',
1413                    kwargs: static_kwargs)
1414 endif
1415 canokey = not_found
1416 if have_system
1417   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1418                    method: 'pkg-config',
1419                    kwargs: static_kwargs)
1420 endif
1421 usbredir = not_found
1422 if not get_option('usb_redir').auto() or have_system
1423   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1424                         version: '>=0.6', method: 'pkg-config',
1425                         kwargs: static_kwargs)
1426 endif
1427 libusb = not_found
1428 if not get_option('libusb').auto() or have_system
1429   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1430                       version: '>=1.0.13', method: 'pkg-config',
1431                       kwargs: static_kwargs)
1432 endif
1433
1434 libpmem = not_found
1435 if not get_option('libpmem').auto() or have_system
1436   libpmem = dependency('libpmem', required: get_option('libpmem'),
1437                        method: 'pkg-config', kwargs: static_kwargs)
1438 endif
1439 libdaxctl = not_found
1440 if not get_option('libdaxctl').auto() or have_system
1441   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1442                          version: '>=57', method: 'pkg-config',
1443                          kwargs: static_kwargs)
1444 endif
1445 tasn1 = not_found
1446 if gnutls.found()
1447   tasn1 = dependency('libtasn1',
1448                      method: 'pkg-config',
1449                      kwargs: static_kwargs)
1450 endif
1451 keyutils = dependency('libkeyutils', required: false,
1452                       method: 'pkg-config', kwargs: static_kwargs)
1453
1454 has_gettid = cc.has_function('gettid')
1455
1456 # libselinux
1457 selinux = dependency('libselinux',
1458                      required: get_option('selinux'),
1459                      method: 'pkg-config', kwargs: static_kwargs)
1460
1461 # Malloc tests
1462
1463 malloc = []
1464 if get_option('malloc') == 'system'
1465   has_malloc_trim = \
1466     get_option('malloc_trim').allowed() and \
1467     cc.links('''#include <malloc.h>
1468                 int main(void) { malloc_trim(0); return 0; }''')
1469 else
1470   has_malloc_trim = false
1471   malloc = cc.find_library(get_option('malloc'), required: true)
1472 endif
1473 if not has_malloc_trim and get_option('malloc_trim').enabled()
1474   if get_option('malloc') == 'system'
1475     error('malloc_trim not available on this platform.')
1476   else
1477     error('malloc_trim not available with non-libc memory allocator')
1478   endif
1479 endif
1480
1481 # Check whether the glibc provides statx()
1482
1483 gnu_source_prefix = '''
1484   #ifndef _GNU_SOURCE
1485   #define _GNU_SOURCE
1486   #endif
1487 '''
1488 statx_test = gnu_source_prefix + '''
1489   #include <sys/stat.h>
1490   int main(void) {
1491     struct statx statxbuf;
1492     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1493     return 0;
1494   }'''
1495
1496 has_statx = cc.links(statx_test)
1497
1498 # Check whether statx() provides mount ID information
1499
1500 statx_mnt_id_test = gnu_source_prefix + '''
1501   #include <sys/stat.h>
1502   int main(void) {
1503     struct statx statxbuf;
1504     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1505     return statxbuf.stx_mnt_id;
1506   }'''
1507
1508 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1509
1510 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1511   .require(targetos == 'linux',
1512            error_message: 'vhost_user_blk_server requires linux') \
1513   .require(have_vhost_user,
1514            error_message: 'vhost_user_blk_server requires vhost-user support') \
1515   .disable_auto_if(not have_system) \
1516   .allowed()
1517
1518 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1519   error('Cannot enable fuse-lseek while fuse is disabled')
1520 endif
1521
1522 fuse = dependency('fuse3', required: get_option('fuse'),
1523                   version: '>=3.1', method: 'pkg-config',
1524                   kwargs: static_kwargs)
1525
1526 fuse_lseek = not_found
1527 if get_option('fuse_lseek').allowed()
1528   if fuse.version().version_compare('>=3.8')
1529     # Dummy dependency
1530     fuse_lseek = declare_dependency()
1531   elif get_option('fuse_lseek').enabled()
1532     if fuse.found()
1533       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1534     else
1535       error('fuse-lseek requires libfuse, which was not found')
1536     endif
1537   endif
1538 endif
1539
1540 # libbpf
1541 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1542 if libbpf.found() and not cc.links('''
1543    #include <bpf/libbpf.h>
1544    int main(void)
1545    {
1546      bpf_object__destroy_skeleton(NULL);
1547      return 0;
1548    }''', dependencies: libbpf)
1549   libbpf = not_found
1550   if get_option('bpf').enabled()
1551     error('libbpf skeleton test failed')
1552   else
1553     warning('libbpf skeleton test failed, disabling')
1554   endif
1555 endif
1556
1557 #################
1558 # config-host.h #
1559 #################
1560
1561 audio_drivers_selected = []
1562 if have_system
1563   audio_drivers_available = {
1564     'alsa': alsa.found(),
1565     'coreaudio': coreaudio.found(),
1566     'dsound': dsound.found(),
1567     'jack': jack.found(),
1568     'oss': oss.found(),
1569     'pa': pulse.found(),
1570     'sdl': sdl.found(),
1571   }
1572   foreach k, v: audio_drivers_available
1573     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1574   endforeach
1575
1576   # Default to native drivers first, OSS second, SDL third
1577   audio_drivers_priority = \
1578     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1579     (targetos == 'linux' ? [] : [ 'sdl' ])
1580   audio_drivers_default = []
1581   foreach k: audio_drivers_priority
1582     if audio_drivers_available[k]
1583       audio_drivers_default += k
1584     endif
1585   endforeach
1586
1587   foreach k: get_option('audio_drv_list')
1588     if k == 'default'
1589       audio_drivers_selected += audio_drivers_default
1590     elif not audio_drivers_available[k]
1591       error('Audio driver "@0@" not available.'.format(k))
1592     else
1593       audio_drivers_selected += k
1594     endif
1595   endforeach
1596 endif
1597 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1598                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1599
1600 if get_option('cfi')
1601   cfi_flags=[]
1602   # Check for dependency on LTO
1603   if not get_option('b_lto')
1604     error('Selected Control-Flow Integrity but LTO is disabled')
1605   endif
1606   if config_host.has_key('CONFIG_MODULES')
1607     error('Selected Control-Flow Integrity is not compatible with modules')
1608   endif
1609   # Check for cfi flags. CFI requires LTO so we can't use
1610   # get_supported_arguments, but need a more complex "compiles" which allows
1611   # custom arguments
1612   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1613                  args: ['-flto', '-fsanitize=cfi-icall'] )
1614     cfi_flags += '-fsanitize=cfi-icall'
1615   else
1616     error('-fsanitize=cfi-icall is not supported by the compiler')
1617   endif
1618   if cc.compiles('int main () { return 0; }',
1619                  name: '-fsanitize-cfi-icall-generalize-pointers',
1620                  args: ['-flto', '-fsanitize=cfi-icall',
1621                         '-fsanitize-cfi-icall-generalize-pointers'] )
1622     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1623   else
1624     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1625   endif
1626   if get_option('cfi_debug')
1627     if cc.compiles('int main () { return 0; }',
1628                    name: '-fno-sanitize-trap=cfi-icall',
1629                    args: ['-flto', '-fsanitize=cfi-icall',
1630                           '-fno-sanitize-trap=cfi-icall'] )
1631       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1632     else
1633       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1634     endif
1635   endif
1636   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1637   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1638 endif
1639
1640 have_host_block_device = (targetos != 'darwin' or
1641     cc.has_header('IOKit/storage/IOMedia.h'))
1642
1643 # FIXME enable_modules shouldn't be necessary, but: https://github.com/mesonbuild/meson/issues/8333
1644 dbus_display = get_option('dbus_display') \
1645   .require(gio.version().version_compare('>=2.64'),
1646            error_message: '-display dbus requires glib>=2.64') \
1647   .require(enable_modules,
1648            error_message: '-display dbus requires --enable-modules') \
1649   .require(gdbus_codegen.found(),
1650            error_message: '-display dbus requires gdbus-codegen') \
1651   .allowed()
1652
1653 have_virtfs = get_option('virtfs') \
1654     .require(targetos == 'linux' or targetos == 'darwin',
1655              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1656     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1657              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1658     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1659              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1660     .disable_auto_if(not have_tools and not have_system) \
1661     .allowed()
1662
1663 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1664
1665 if get_option('block_drv_ro_whitelist') == ''
1666   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1667 else
1668   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1669         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1670 endif
1671 if get_option('block_drv_rw_whitelist') == ''
1672   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1673 else
1674   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1675         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1676 endif
1677
1678 foreach k : get_option('trace_backends')
1679   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1680 endforeach
1681 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1682 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1683 if iasl.found()
1684   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1685 endif
1686 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1687 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1688 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1689 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1690 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1691 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('prefix') / get_option('qemu_firmwarepath'))
1692 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1693 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1694 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1695 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1696 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1697 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1698
1699 if config_host.has_key('CONFIG_MODULES')
1700   config_host_data.set('CONFIG_STAMP', run_command(
1701       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1702       meson.project_version(), get_option('pkgversion'), '--',
1703       meson.current_source_dir() / 'configure',
1704       capture: true, check: true).stdout().strip())
1705 endif
1706
1707 have_slirp_smbd = get_option('slirp_smbd') \
1708   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1709   .allowed()
1710 if have_slirp_smbd
1711   smbd_path = get_option('smbd')
1712   if smbd_path == ''
1713     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1714   endif
1715   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1716 endif
1717
1718 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1719
1720 if get_option('module_upgrades') and not enable_modules
1721   error('Cannot enable module-upgrades as modules are not enabled')
1722 endif
1723 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1724
1725 config_host_data.set('CONFIG_ATTR', libattr.found())
1726 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1727 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1728 config_host_data.set('CONFIG_COCOA', cocoa.found())
1729 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1730 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1731 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1732 config_host_data.set('CONFIG_LZO', lzo.found())
1733 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1734 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1735 config_host_data.set('CONFIG_CURL', curl.found())
1736 config_host_data.set('CONFIG_CURSES', curses.found())
1737 config_host_data.set('CONFIG_GBM', gbm.found())
1738 config_host_data.set('CONFIG_GIO', gio.found())
1739 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1740 if glusterfs.found()
1741   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1742   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1743   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1744   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1745   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1746   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1747 endif
1748 config_host_data.set('CONFIG_GTK', gtk.found())
1749 config_host_data.set('CONFIG_VTE', vte.found())
1750 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1751 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1752 config_host_data.set('CONFIG_EBPF', libbpf.found())
1753 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1754 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1755 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1756 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1757 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1758 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1759 config_host_data.set('CONFIG_LIBURING_REGISTER_RING_FD', cc.has_function('io_uring_register_ring_fd', prefix: '#include <liburing.h>', dependencies:linux_io_uring))
1760 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1761 config_host_data.set('CONFIG_NUMA', numa.found())
1762 config_host_data.set('CONFIG_OPENGL', opengl.found())
1763 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1764 config_host_data.set('CONFIG_RBD', rbd.found())
1765 config_host_data.set('CONFIG_RDMA', rdma.found())
1766 config_host_data.set('CONFIG_SDL', sdl.found())
1767 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1768 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1769 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1770 config_host_data.set('CONFIG_TPM', have_tpm)
1771 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1772 config_host_data.set('CONFIG_VDE', vde.found())
1773 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1774 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1775 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1776 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1777 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1778 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1779 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1780 config_host_data.set('CONFIG_VMNET', vmnet.found())
1781 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1782 config_host_data.set('CONFIG_PNG', png.found())
1783 config_host_data.set('CONFIG_VNC', vnc.found())
1784 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1785 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1786 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1787 config_host_data.set('CONFIG_VTE', vte.found())
1788 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1789 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1790 config_host_data.set('CONFIG_GETTID', has_gettid)
1791 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1792 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1793 config_host_data.set('CONFIG_TASN1', tasn1.found())
1794 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1795 config_host_data.set('CONFIG_NETTLE', nettle.found())
1796 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1797 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1798 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1799 config_host_data.set('CONFIG_STATX', has_statx)
1800 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1801 config_host_data.set('CONFIG_ZSTD', zstd.found())
1802 config_host_data.set('CONFIG_FUSE', fuse.found())
1803 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1804 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1805 if spice_protocol.found()
1806 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1807 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1808 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1809 endif
1810 config_host_data.set('CONFIG_SPICE', spice.found())
1811 config_host_data.set('CONFIG_X11', x11.found())
1812 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1813 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1814 config_host_data.set('CONFIG_SELINUX', selinux.found())
1815 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1816 if xen.found()
1817   # protect from xen.version() having less than three components
1818   xen_version = xen.version().split('.') + ['0', '0']
1819   xen_ctrl_version = xen_version[0] + \
1820     ('0' + xen_version[1]).substring(-2) + \
1821     ('0' + xen_version[2]).substring(-2)
1822   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1823 endif
1824 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1825 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1826 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1827 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1828
1829 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1830 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1831
1832 have_coroutine_pool = get_option('coroutine_pool')
1833 if get_option('debug_stack_usage') and have_coroutine_pool
1834   message('Disabling coroutine pool to measure stack usage')
1835   have_coroutine_pool = false
1836 endif
1837 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1838 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1839 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1840 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1841 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1842 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1843 config_host_data.set('CONFIG_REPLICATION', get_option('live_block_migration').allowed())
1844
1845 # has_header
1846 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1847 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1848 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1849 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1850 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1851 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1852 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1853 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1854 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1855
1856 # has_function
1857 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1858 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1859 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1860 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1861 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1862 # Note that we need to specify prefix: here to avoid incorrectly
1863 # thinking that Windows has posix_memalign()
1864 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1865 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1866 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1867 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1868 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1869 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1870 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1871 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1872 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1873 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1874 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1875 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1876 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1877 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1878 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1879 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1880 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1881 if rdma.found()
1882   config_host_data.set('HAVE_IBV_ADVISE_MR',
1883                        cc.has_function('ibv_advise_mr',
1884                                        dependencies: rdma,
1885                                        prefix: '#include <infiniband/verbs.h>'))
1886 endif
1887
1888 # has_header_symbol
1889 config_host_data.set('CONFIG_BYTESWAP_H',
1890                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1891 config_host_data.set('CONFIG_EPOLL_CREATE1',
1892                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1893 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1894                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1895                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1896 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1897                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1898 config_host_data.set('CONFIG_FIEMAP',
1899                      cc.has_header('linux/fiemap.h') and
1900                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1901 config_host_data.set('CONFIG_GETRANDOM',
1902                      cc.has_function('getrandom') and
1903                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1904 config_host_data.set('CONFIG_INOTIFY',
1905                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1906 config_host_data.set('CONFIG_INOTIFY1',
1907                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1908 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1909                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1910                                           prefix: '''#include <sys/endian.h>
1911                                                      #include <sys/types.h>'''))
1912 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1913                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1914 config_host_data.set('CONFIG_RTNETLINK',
1915                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1916 config_host_data.set('CONFIG_SYSMACROS',
1917                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1918 config_host_data.set('HAVE_OPTRESET',
1919                      cc.has_header_symbol('getopt.h', 'optreset'))
1920 config_host_data.set('HAVE_IPPROTO_MPTCP',
1921                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1922
1923 # has_member
1924 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1925                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1926                                    prefix: '#include <signal.h>'))
1927 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1928                      cc.has_member('struct stat', 'st_atim',
1929                                    prefix: '#include <sys/stat.h>'))
1930
1931 # has_type
1932 config_host_data.set('CONFIG_IOVEC',
1933                      cc.has_type('struct iovec',
1934                                  prefix: '#include <sys/uio.h>'))
1935 config_host_data.set('HAVE_UTMPX',
1936                      cc.has_type('struct utmpx',
1937                                  prefix: '#include <utmpx.h>'))
1938
1939 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1940   #include <sys/eventfd.h>
1941   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1942 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1943   #include <unistd.h>
1944   int main(void) {
1945   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1946   return fdatasync(0);
1947   #else
1948   #error Not supported
1949   #endif
1950   }'''))
1951
1952 has_madvise = cc.links(gnu_source_prefix + '''
1953   #include <sys/types.h>
1954   #include <sys/mman.h>
1955   #include <stddef.h>
1956   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
1957 missing_madvise_proto = false
1958 if has_madvise
1959   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
1960   # but forget to prototype it. In this case, has_madvise will be true (the
1961   # test program links despite a compile warning). To detect the
1962   # missing-prototype case, we try again with a definitely-bogus prototype.
1963   # This will only compile if the system headers don't provide the prototype;
1964   # otherwise the conflicting prototypes will cause a compiler error.
1965   missing_madvise_proto = cc.links(gnu_source_prefix + '''
1966     #include <sys/types.h>
1967     #include <sys/mman.h>
1968     #include <stddef.h>
1969     extern int madvise(int);
1970     int main(void) { return madvise(0); }''')
1971 endif
1972 config_host_data.set('CONFIG_MADVISE', has_madvise)
1973 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
1974
1975 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1976   #include <sys/mman.h>
1977   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1978 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1979   #include <fcntl.h>
1980   #if !defined(AT_EMPTY_PATH)
1981   # error missing definition
1982   #else
1983   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1984   #endif'''))
1985 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1986   #include <unistd.h>
1987   #include <fcntl.h>
1988
1989   int main(void)
1990   {
1991       int pipefd[2];
1992       return pipe2(pipefd, O_CLOEXEC);
1993   }'''))
1994 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1995   #include <sys/mman.h>
1996   #include <stddef.h>
1997   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1998
1999 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2000   #include <pthread.h>
2001
2002   static void *f(void *p) { return NULL; }
2003   int main(void)
2004   {
2005     pthread_t thread;
2006     pthread_create(&thread, 0, f, 0);
2007     pthread_setname_np(thread, "QEMU");
2008     return 0;
2009   }''', dependencies: threads))
2010 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2011   #include <pthread.h>
2012
2013   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2014   int main(void)
2015   {
2016     pthread_t thread;
2017     pthread_create(&thread, 0, f, 0);
2018     return 0;
2019   }''', dependencies: threads))
2020 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2021   #include <pthread.h>
2022   #include <time.h>
2023
2024   int main(void)
2025   {
2026     pthread_condattr_t attr
2027     pthread_condattr_init(&attr);
2028     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2029     return 0;
2030   }''', dependencies: threads))
2031
2032 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2033   #include <sys/signalfd.h>
2034   #include <stddef.h>
2035   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2036 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2037   #include <unistd.h>
2038   #include <fcntl.h>
2039   #include <limits.h>
2040
2041   int main(void)
2042   {
2043     int len, fd = 0;
2044     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2045     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2046     return 0;
2047   }'''))
2048
2049 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2050   #include <sys/mman.h>
2051   int main(int argc, char *argv[]) {
2052     return mlockall(MCL_FUTURE);
2053   }'''))
2054
2055 have_l2tpv3 = false
2056 if get_option('l2tpv3').allowed() and have_system
2057   have_l2tpv3 = cc.has_type('struct mmsghdr',
2058     prefix: gnu_source_prefix + '''
2059       #include <sys/socket.h>
2060       #include <linux/ip.h>''')
2061 endif
2062 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2063
2064 have_netmap = false
2065 if get_option('netmap').allowed() and have_system
2066   have_netmap = cc.compiles('''
2067     #include <inttypes.h>
2068     #include <net/if.h>
2069     #include <net/netmap.h>
2070     #include <net/netmap_user.h>
2071     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2072     #error
2073     #endif
2074     int main(void) { return 0; }''')
2075   if not have_netmap and get_option('netmap').enabled()
2076     error('Netmap headers not available')
2077   endif
2078 endif
2079 config_host_data.set('CONFIG_NETMAP', have_netmap)
2080
2081 # Work around a system header bug with some kernel/XFS header
2082 # versions where they both try to define 'struct fsxattr':
2083 # xfs headers will not try to redefine structs from linux headers
2084 # if this macro is set.
2085 config_host_data.set('HAVE_FSXATTR', cc.links('''
2086   #include <linux/fs.h>
2087   struct fsxattr foo;
2088   int main(void) {
2089     return 0;
2090   }'''))
2091
2092 # Some versions of Mac OS X incorrectly define SIZE_MAX
2093 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2094     #include <stdint.h>
2095     #include <stdio.h>
2096     int main(int argc, char *argv[]) {
2097         return printf("%zu", SIZE_MAX);
2098     }''', args: ['-Werror']))
2099
2100 atomic_test = '''
2101   #include <stdint.h>
2102   int main(void)
2103   {
2104     @0@ x = 0, y = 0;
2105     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2106     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2107     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2108     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2109     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2110     return 0;
2111   }'''
2112
2113 # See if 64-bit atomic operations are supported.
2114 # Note that without __atomic builtins, we can only
2115 # assume atomic loads/stores max at pointer size.
2116 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2117
2118 has_int128 = cc.links('''
2119   __int128_t a;
2120   __uint128_t b;
2121   int main (void) {
2122     a = a + b;
2123     b = a * b;
2124     a = a * a;
2125     return 0;
2126   }''')
2127
2128 config_host_data.set('CONFIG_INT128', has_int128)
2129
2130 if has_int128
2131   # "do we have 128-bit atomics which are handled inline and specifically not
2132   # via libatomic". The reason we can't use libatomic is documented in the
2133   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2134   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2135
2136   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2137
2138   if not has_atomic128
2139     has_cmpxchg128 = cc.links('''
2140       int main(void)
2141       {
2142         unsigned __int128 x = 0, y = 0;
2143         __sync_val_compare_and_swap_16(&x, y, x);
2144         return 0;
2145       }
2146     ''')
2147
2148     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2149   endif
2150 endif
2151
2152 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2153   #include <sys/auxv.h>
2154   int main(void) {
2155     return getauxval(AT_HWCAP) == 0;
2156   }'''))
2157
2158 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2159   #include <linux/usbdevice_fs.h>
2160
2161   #ifndef USBDEVFS_GET_CAPABILITIES
2162   #error "USBDEVFS_GET_CAPABILITIES undefined"
2163   #endif
2164
2165   #ifndef USBDEVFS_DISCONNECT_CLAIM
2166   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2167   #endif
2168
2169   int main(void) { return 0; }'''))
2170
2171 have_keyring = get_option('keyring') \
2172   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2173   .require(cc.compiles('''
2174     #include <errno.h>
2175     #include <asm/unistd.h>
2176     #include <linux/keyctl.h>
2177     #include <sys/syscall.h>
2178     #include <unistd.h>
2179     int main(void) {
2180         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2181     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2182 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2183
2184 have_cpuid_h = cc.links('''
2185   #include <cpuid.h>
2186   int main(void) {
2187     unsigned a, b, c, d;
2188     unsigned max = __get_cpuid_max(0, 0);
2189
2190     if (max >= 1) {
2191         __cpuid(1, a, b, c, d);
2192     }
2193
2194     if (max >= 7) {
2195         __cpuid_count(7, 0, a, b, c, d);
2196     }
2197
2198     return 0;
2199   }''')
2200 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2201
2202 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2203   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2204   .require(cc.links('''
2205     #pragma GCC push_options
2206     #pragma GCC target("avx2")
2207     #include <cpuid.h>
2208     #include <immintrin.h>
2209     static int bar(void *a) {
2210       __m256i x = *(__m256i *)a;
2211       return _mm256_testz_si256(x, x);
2212     }
2213     int main(int argc, char *argv[]) { return bar(argv[0]); }
2214   '''), error_message: 'AVX2 not available').allowed())
2215
2216 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2217   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2218   .require(cc.links('''
2219     #pragma GCC push_options
2220     #pragma GCC target("avx512f")
2221     #include <cpuid.h>
2222     #include <immintrin.h>
2223     static int bar(void *a) {
2224       __m512i x = *(__m512i *)a;
2225       return _mm512_test_epi64_mask(x, x);
2226     }
2227     int main(int argc, char *argv[]) { return bar(argv[0]); }
2228   '''), error_message: 'AVX512F not available').allowed())
2229
2230 have_pvrdma = get_option('pvrdma') \
2231   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2232   .require(cc.compiles(gnu_source_prefix + '''
2233     #include <sys/mman.h>
2234     int main(void)
2235     {
2236       char buf = 0;
2237       void *addr = &buf;
2238       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2239
2240       return 0;
2241     }'''), error_message: 'PVRDMA requires mremap').allowed()
2242
2243 if have_pvrdma
2244   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2245     #include <infiniband/verbs.h>
2246     int main(void)
2247     {
2248       struct ibv_mr *mr;
2249       struct ibv_pd *pd = NULL;
2250       size_t length = 10;
2251       uint64_t iova = 0;
2252       int access = 0;
2253       void *addr = NULL;
2254
2255       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2256       ibv_dereg_mr(mr);
2257       return 0;
2258     }'''))
2259 endif
2260
2261 if get_option('membarrier').disabled()
2262   have_membarrier = false
2263 elif targetos == 'windows'
2264   have_membarrier = true
2265 elif targetos == 'linux'
2266   have_membarrier = cc.compiles('''
2267     #include <linux/membarrier.h>
2268     #include <sys/syscall.h>
2269     #include <unistd.h>
2270     #include <stdlib.h>
2271     int main(void) {
2272         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2273         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2274         exit(0);
2275     }''')
2276 endif
2277 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2278   .require(have_membarrier, error_message: 'membarrier system call not available') \
2279   .allowed())
2280
2281 have_afalg = get_option('crypto_afalg') \
2282   .require(cc.compiles(gnu_source_prefix + '''
2283     #include <errno.h>
2284     #include <sys/types.h>
2285     #include <sys/socket.h>
2286     #include <linux/if_alg.h>
2287     int main(void) {
2288       int sock;
2289       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2290       return sock;
2291     }
2292   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2293 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2294
2295 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2296   'linux/vm_sockets.h', 'AF_VSOCK',
2297   prefix: '#include <sys/socket.h>',
2298 ))
2299
2300 have_vss = false
2301 have_vss_sdk = false # old xp/2003 SDK
2302 if targetos == 'windows' and link_language == 'cpp'
2303   have_vss = cxx.compiles('''
2304     #define __MIDL_user_allocate_free_DEFINED__
2305     #include <vss.h>
2306     int main(void) { return VSS_CTX_BACKUP; }''')
2307   have_vss_sdk = cxx.has_header('vscoordint.h')
2308 endif
2309 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2310
2311 foreach k, v: config_host
2312   if k.startswith('CONFIG_')
2313     config_host_data.set(k, v == 'y' ? 1 : v)
2314   endif
2315 endforeach
2316
2317 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2318 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2319 if targetos == 'windows'
2320   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2321     #include <stdio.h>
2322     int main(void) {
2323       _lock_file(NULL);
2324       _unlock_file(NULL);
2325       return 0;
2326     }''', name: '_lock_file and _unlock_file'))
2327 endif
2328
2329 ########################
2330 # Target configuration #
2331 ########################
2332
2333 minikconf = find_program('scripts/minikconf.py')
2334 config_all = {}
2335 config_all_devices = {}
2336 config_all_disas = {}
2337 config_devices_mak_list = []
2338 config_devices_h = {}
2339 config_target_h = {}
2340 config_target_mak = {}
2341
2342 disassemblers = {
2343   'alpha' : ['CONFIG_ALPHA_DIS'],
2344   'arm' : ['CONFIG_ARM_DIS'],
2345   'avr' : ['CONFIG_AVR_DIS'],
2346   'cris' : ['CONFIG_CRIS_DIS'],
2347   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2348   'hppa' : ['CONFIG_HPPA_DIS'],
2349   'i386' : ['CONFIG_I386_DIS'],
2350   'x86_64' : ['CONFIG_I386_DIS'],
2351   'm68k' : ['CONFIG_M68K_DIS'],
2352   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2353   'mips' : ['CONFIG_MIPS_DIS'],
2354   'nios2' : ['CONFIG_NIOS2_DIS'],
2355   'or1k' : ['CONFIG_OPENRISC_DIS'],
2356   'ppc' : ['CONFIG_PPC_DIS'],
2357   'riscv' : ['CONFIG_RISCV_DIS'],
2358   'rx' : ['CONFIG_RX_DIS'],
2359   's390' : ['CONFIG_S390_DIS'],
2360   'sh4' : ['CONFIG_SH4_DIS'],
2361   'sparc' : ['CONFIG_SPARC_DIS'],
2362   'xtensa' : ['CONFIG_XTENSA_DIS'],
2363   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2364 }
2365 if link_language == 'cpp'
2366   disassemblers += {
2367     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
2368     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
2369     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2370   }
2371 endif
2372
2373 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2374 host_kconfig = \
2375   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2376   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2377   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2378   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2379   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2380   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2381   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2382   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2383   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2384   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2385   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2386   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2387   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2388   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2389
2390 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2391
2392 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2393 actual_target_dirs = []
2394 fdt_required = []
2395 foreach target : target_dirs
2396   config_target = { 'TARGET_NAME': target.split('-')[0] }
2397   if target.endswith('linux-user')
2398     if targetos != 'linux'
2399       if default_targets
2400         continue
2401       endif
2402       error('Target @0@ is only available on a Linux host'.format(target))
2403     endif
2404     config_target += { 'CONFIG_LINUX_USER': 'y' }
2405   elif target.endswith('bsd-user')
2406     if 'CONFIG_BSD' not in config_host
2407       if default_targets
2408         continue
2409       endif
2410       error('Target @0@ is only available on a BSD host'.format(target))
2411     endif
2412     config_target += { 'CONFIG_BSD_USER': 'y' }
2413   elif target.endswith('softmmu')
2414     config_target += { 'CONFIG_SOFTMMU': 'y' }
2415   endif
2416   if target.endswith('-user')
2417     config_target += {
2418       'CONFIG_USER_ONLY': 'y',
2419       'CONFIG_QEMU_INTERP_PREFIX':
2420         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2421     }
2422   endif
2423
2424   accel_kconfig = []
2425   foreach sym: accelerators
2426     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2427       config_target += { sym: 'y' }
2428       config_all += { sym: 'y' }
2429       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2430         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2431       endif
2432       if target in modular_tcg
2433         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2434       else
2435         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2436       endif
2437       accel_kconfig += [ sym + '=y' ]
2438     endif
2439   endforeach
2440   if accel_kconfig.length() == 0
2441     if default_targets
2442       continue
2443     endif
2444     error('No accelerator available for target @0@'.format(target))
2445   endif
2446
2447   actual_target_dirs += target
2448   config_target += keyval.load('configs/targets' / target + '.mak')
2449   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2450
2451   if 'TARGET_NEED_FDT' in config_target
2452     fdt_required += target
2453   endif
2454
2455   # Add default keys
2456   if 'TARGET_BASE_ARCH' not in config_target
2457     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2458   endif
2459   if 'TARGET_ABI_DIR' not in config_target
2460     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2461   endif
2462   if 'TARGET_BIG_ENDIAN' not in config_target
2463     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2464   endif
2465
2466   foreach k, v: disassemblers
2467     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2468       foreach sym: v
2469         config_target += { sym: 'y' }
2470         config_all_disas += { sym: 'y' }
2471       endforeach
2472     endif
2473   endforeach
2474
2475   config_target_data = configuration_data()
2476   foreach k, v: config_target
2477     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2478       # do nothing
2479     elif ignored.contains(k)
2480       # do nothing
2481     elif k == 'TARGET_BASE_ARCH'
2482       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2483       # not used to select files from sourcesets.
2484       config_target_data.set('TARGET_' + v.to_upper(), 1)
2485     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2486       config_target_data.set_quoted(k, v)
2487     elif v == 'y'
2488       config_target_data.set(k, 1)
2489     elif v == 'n'
2490       config_target_data.set(k, 0)
2491     else
2492       config_target_data.set(k, v)
2493     endif
2494   endforeach
2495   config_target_data.set('QEMU_ARCH',
2496                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2497   config_target_h += {target: configure_file(output: target + '-config-target.h',
2498                                                configuration: config_target_data)}
2499
2500   if target.endswith('-softmmu')
2501     config_input = meson.get_external_property(target, 'default')
2502     config_devices_mak = target + '-config-devices.mak'
2503     config_devices_mak = configure_file(
2504       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2505       output: config_devices_mak,
2506       depfile: config_devices_mak + '.d',
2507       capture: true,
2508       command: [minikconf,
2509                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2510                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2511                 host_kconfig, accel_kconfig,
2512                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2513
2514     config_devices_data = configuration_data()
2515     config_devices = keyval.load(config_devices_mak)
2516     foreach k, v: config_devices
2517       config_devices_data.set(k, 1)
2518     endforeach
2519     config_devices_mak_list += config_devices_mak
2520     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2521                                                 configuration: config_devices_data)}
2522     config_target += config_devices
2523     config_all_devices += config_devices
2524   endif
2525   config_target_mak += {target: config_target}
2526 endforeach
2527 target_dirs = actual_target_dirs
2528
2529 # This configuration is used to build files that are shared by
2530 # multiple binaries, and then extracted out of the "common"
2531 # static_library target.
2532 #
2533 # We do not use all_sources()/all_dependencies(), because it would
2534 # build literally all source files, including devices only used by
2535 # targets that are not built for this compilation.  The CONFIG_ALL
2536 # pseudo symbol replaces it.
2537
2538 config_all += config_all_devices
2539 config_all += config_host
2540 config_all += config_all_disas
2541 config_all += {
2542   'CONFIG_XEN': xen.found(),
2543   'CONFIG_SOFTMMU': have_system,
2544   'CONFIG_USER_ONLY': have_user,
2545   'CONFIG_ALL': true,
2546 }
2547
2548 target_configs_h = []
2549 foreach target: target_dirs
2550   target_configs_h += config_target_h[target]
2551   target_configs_h += config_devices_h.get(target, [])
2552 endforeach
2553 genh += custom_target('config-poison.h',
2554                       input: [target_configs_h],
2555                       output: 'config-poison.h',
2556                       capture: true,
2557                       command: [find_program('scripts/make-config-poison.sh'),
2558                                 target_configs_h])
2559
2560 ##############
2561 # Submodules #
2562 ##############
2563
2564 capstone = not_found
2565 if not get_option('capstone').auto() or have_system or have_user
2566   capstone = dependency('capstone', version: '>=3.0.5',
2567                         kwargs: static_kwargs, method: 'pkg-config',
2568                         required: get_option('capstone'))
2569
2570   # Some versions of capstone have broken pkg-config file
2571   # that reports a wrong -I path, causing the #include to
2572   # fail later. If the system has such a broken version
2573   # do not use it.
2574   if capstone.found() and not cc.compiles('#include <capstone.h>',
2575                                           dependencies: [capstone])
2576     capstone = not_found
2577     if get_option('capstone').enabled()
2578       error('capstone requested, but it does not appear to work')
2579     endif
2580   endif
2581 endif
2582
2583 slirp = not_found
2584 slirp_opt = 'disabled'
2585 if have_system
2586   slirp_opt = get_option('slirp')
2587   if slirp_opt in ['enabled', 'auto', 'system']
2588     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2589     slirp_dep_required = (slirp_opt == 'system' or
2590                           slirp_opt == 'enabled' and not have_internal)
2591     slirp = dependency('slirp', kwargs: static_kwargs,
2592                        method: 'pkg-config', version: '>=4.1.0',
2593                        required: slirp_dep_required)
2594     # slirp <4.7 is incompatible with CFI support in QEMU.  This is because
2595     # it passes function pointers within libslirp as callbacks for timers.
2596     # When using a system-wide shared libslirp, the type information for the
2597     # callback is missing and the timer call produces a false positive with CFI.
2598     # Do not use the "version" keyword argument to produce a better error.
2599     # with control-flow integrity.
2600     if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
2601       if slirp_dep_required
2602         error('Control-Flow Integrity requires libslirp 4.7.')
2603       else
2604         warning('Control-Flow Integrity requires libslirp 4.7, not using system-wide libslirp.')
2605         slirp = not_found
2606       endif
2607     endif
2608     if slirp.found()
2609       slirp_opt = 'system'
2610     elif have_internal
2611       slirp_opt = 'internal'
2612     else
2613       slirp_opt = 'disabled'
2614     endif
2615   endif
2616   if slirp_opt == 'internal'
2617     slirp_deps = []
2618     if targetos == 'windows'
2619       slirp_deps = cc.find_library('iphlpapi')
2620     elif targetos == 'darwin'
2621       slirp_deps = cc.find_library('resolv')
2622     endif
2623     slirp_conf = configuration_data()
2624     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2625     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2626     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2627     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2628     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2629     slirp_files = [
2630       'slirp/src/arp_table.c',
2631       'slirp/src/bootp.c',
2632       'slirp/src/cksum.c',
2633       'slirp/src/dhcpv6.c',
2634       'slirp/src/dnssearch.c',
2635       'slirp/src/if.c',
2636       'slirp/src/ip6_icmp.c',
2637       'slirp/src/ip6_input.c',
2638       'slirp/src/ip6_output.c',
2639       'slirp/src/ip_icmp.c',
2640       'slirp/src/ip_input.c',
2641       'slirp/src/ip_output.c',
2642       'slirp/src/mbuf.c',
2643       'slirp/src/misc.c',
2644       'slirp/src/ncsi.c',
2645       'slirp/src/ndp_table.c',
2646       'slirp/src/sbuf.c',
2647       'slirp/src/slirp.c',
2648       'slirp/src/socket.c',
2649       'slirp/src/state.c',
2650       'slirp/src/stream.c',
2651       'slirp/src/tcp_input.c',
2652       'slirp/src/tcp_output.c',
2653       'slirp/src/tcp_subr.c',
2654       'slirp/src/tcp_timer.c',
2655       'slirp/src/tftp.c',
2656       'slirp/src/udp.c',
2657       'slirp/src/udp6.c',
2658       'slirp/src/util.c',
2659       'slirp/src/version.c',
2660       'slirp/src/vmstate.c',
2661     ]
2662
2663     configure_file(
2664       input : 'slirp/src/libslirp-version.h.in',
2665       output : 'libslirp-version.h',
2666       configuration: slirp_conf)
2667
2668     slirp_inc = include_directories('slirp', 'slirp/src')
2669     libslirp = static_library('slirp',
2670                               build_by_default: false,
2671                               sources: slirp_files,
2672                               c_args: slirp_cargs,
2673                               include_directories: slirp_inc)
2674     slirp = declare_dependency(link_with: libslirp,
2675                                dependencies: slirp_deps,
2676                                include_directories: slirp_inc)
2677   endif
2678 endif
2679
2680 libvfio_user_dep = not_found
2681 if have_system and vfio_user_server_allowed
2682   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2683
2684   if not have_internal
2685     error('libvfio-user source not found - please pull git submodule')
2686   endif
2687
2688   libvfio_user_proj = subproject('libvfio-user')
2689
2690   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2691
2692   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2693 endif
2694
2695 fdt = not_found
2696 if have_system
2697   fdt_opt = get_option('fdt')
2698   if fdt_opt in ['enabled', 'auto', 'system']
2699     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2700     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2701                           required: fdt_opt == 'system' or
2702                                     fdt_opt == 'enabled' and not have_internal)
2703     if fdt.found() and cc.links('''
2704        #include <libfdt.h>
2705        #include <libfdt_env.h>
2706        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2707          dependencies: fdt)
2708       fdt_opt = 'system'
2709     elif fdt_opt == 'system'
2710        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2711     elif have_internal
2712       fdt_opt = 'internal'
2713     else
2714       fdt_opt = 'disabled'
2715       fdt = not_found
2716     endif
2717   endif
2718   if fdt_opt == 'internal'
2719     fdt_files = files(
2720       'dtc/libfdt/fdt.c',
2721       'dtc/libfdt/fdt_ro.c',
2722       'dtc/libfdt/fdt_wip.c',
2723       'dtc/libfdt/fdt_sw.c',
2724       'dtc/libfdt/fdt_rw.c',
2725       'dtc/libfdt/fdt_strerror.c',
2726       'dtc/libfdt/fdt_empty_tree.c',
2727       'dtc/libfdt/fdt_addresses.c',
2728       'dtc/libfdt/fdt_overlay.c',
2729       'dtc/libfdt/fdt_check.c',
2730     )
2731
2732     fdt_inc = include_directories('dtc/libfdt')
2733     libfdt = static_library('fdt',
2734                             build_by_default: false,
2735                             sources: fdt_files,
2736                             include_directories: fdt_inc)
2737     fdt = declare_dependency(link_with: libfdt,
2738                              include_directories: fdt_inc)
2739   endif
2740 else
2741   fdt_opt = 'disabled'
2742 endif
2743 if not fdt.found() and fdt_required.length() > 0
2744   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2745 endif
2746
2747 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2748 config_host_data.set('CONFIG_FDT', fdt.found())
2749 config_host_data.set('CONFIG_SLIRP', slirp.found())
2750
2751 #####################
2752 # Generated sources #
2753 #####################
2754
2755 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2756
2757 hxtool = find_program('scripts/hxtool')
2758 shaderinclude = find_program('scripts/shaderinclude.pl')
2759 qapi_gen = find_program('scripts/qapi-gen.py')
2760 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2761                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2762                      meson.current_source_dir() / 'scripts/qapi/common.py',
2763                      meson.current_source_dir() / 'scripts/qapi/error.py',
2764                      meson.current_source_dir() / 'scripts/qapi/events.py',
2765                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2766                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2767                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2768                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2769                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2770                      meson.current_source_dir() / 'scripts/qapi/source.py',
2771                      meson.current_source_dir() / 'scripts/qapi/types.py',
2772                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2773                      meson.current_source_dir() / 'scripts/qapi/common.py',
2774                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2775 ]
2776
2777 tracetool = [
2778   python, files('scripts/tracetool.py'),
2779    '--backend=' + ','.join(get_option('trace_backends'))
2780 ]
2781 tracetool_depends = files(
2782   'scripts/tracetool/backend/log.py',
2783   'scripts/tracetool/backend/__init__.py',
2784   'scripts/tracetool/backend/dtrace.py',
2785   'scripts/tracetool/backend/ftrace.py',
2786   'scripts/tracetool/backend/simple.py',
2787   'scripts/tracetool/backend/syslog.py',
2788   'scripts/tracetool/backend/ust.py',
2789   'scripts/tracetool/format/ust_events_c.py',
2790   'scripts/tracetool/format/ust_events_h.py',
2791   'scripts/tracetool/format/__init__.py',
2792   'scripts/tracetool/format/d.py',
2793   'scripts/tracetool/format/simpletrace_stap.py',
2794   'scripts/tracetool/format/c.py',
2795   'scripts/tracetool/format/h.py',
2796   'scripts/tracetool/format/log_stap.py',
2797   'scripts/tracetool/format/stap.py',
2798   'scripts/tracetool/__init__.py',
2799   'scripts/tracetool/transform.py',
2800   'scripts/tracetool/vcpu.py'
2801 )
2802
2803 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2804                     meson.current_source_dir(),
2805                     get_option('pkgversion'), meson.project_version()]
2806 qemu_version = custom_target('qemu-version.h',
2807                              output: 'qemu-version.h',
2808                              command: qemu_version_cmd,
2809                              capture: true,
2810                              build_by_default: true,
2811                              build_always_stale: true)
2812 genh += qemu_version
2813
2814 hxdep = []
2815 hx_headers = [
2816   ['qemu-options.hx', 'qemu-options.def'],
2817   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2818 ]
2819 if have_system
2820   hx_headers += [
2821     ['hmp-commands.hx', 'hmp-commands.h'],
2822     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2823   ]
2824 endif
2825 foreach d : hx_headers
2826   hxdep += custom_target(d[1],
2827                 input: files(d[0]),
2828                 output: d[1],
2829                 capture: true,
2830                 build_by_default: true, # to be removed when added to a target
2831                 command: [hxtool, '-h', '@INPUT0@'])
2832 endforeach
2833 genh += hxdep
2834
2835 ###################
2836 # Collect sources #
2837 ###################
2838
2839 authz_ss = ss.source_set()
2840 blockdev_ss = ss.source_set()
2841 block_ss = ss.source_set()
2842 chardev_ss = ss.source_set()
2843 common_ss = ss.source_set()
2844 crypto_ss = ss.source_set()
2845 hwcore_ss = ss.source_set()
2846 io_ss = ss.source_set()
2847 qmp_ss = ss.source_set()
2848 qom_ss = ss.source_set()
2849 softmmu_ss = ss.source_set()
2850 specific_fuzz_ss = ss.source_set()
2851 specific_ss = ss.source_set()
2852 stub_ss = ss.source_set()
2853 trace_ss = ss.source_set()
2854 user_ss = ss.source_set()
2855 util_ss = ss.source_set()
2856
2857 # accel modules
2858 qtest_module_ss = ss.source_set()
2859 tcg_module_ss = ss.source_set()
2860
2861 modules = {}
2862 target_modules = {}
2863 hw_arch = {}
2864 target_arch = {}
2865 target_softmmu_arch = {}
2866 target_user_arch = {}
2867
2868 ###############
2869 # Trace files #
2870 ###############
2871
2872 # TODO: add each directory to the subdirs from its own meson.build, once
2873 # we have those
2874 trace_events_subdirs = [
2875   'crypto',
2876   'qapi',
2877   'qom',
2878   'monitor',
2879   'util',
2880 ]
2881 if have_linux_user
2882   trace_events_subdirs += [ 'linux-user' ]
2883 endif
2884 if have_bsd_user
2885   trace_events_subdirs += [ 'bsd-user' ]
2886 endif
2887 if have_block
2888   trace_events_subdirs += [
2889     'authz',
2890     'block',
2891     'io',
2892     'nbd',
2893     'scsi',
2894   ]
2895 endif
2896 if have_system
2897   trace_events_subdirs += [
2898     'accel/kvm',
2899     'audio',
2900     'backends',
2901     'backends/tpm',
2902     'chardev',
2903     'ebpf',
2904     'hw/9pfs',
2905     'hw/acpi',
2906     'hw/adc',
2907     'hw/alpha',
2908     'hw/arm',
2909     'hw/audio',
2910     'hw/block',
2911     'hw/block/dataplane',
2912     'hw/char',
2913     'hw/display',
2914     'hw/dma',
2915     'hw/hyperv',
2916     'hw/i2c',
2917     'hw/i386',
2918     'hw/i386/xen',
2919     'hw/ide',
2920     'hw/input',
2921     'hw/intc',
2922     'hw/isa',
2923     'hw/mem',
2924     'hw/mips',
2925     'hw/misc',
2926     'hw/misc/macio',
2927     'hw/net',
2928     'hw/net/can',
2929     'hw/nubus',
2930     'hw/nvme',
2931     'hw/nvram',
2932     'hw/pci',
2933     'hw/pci-host',
2934     'hw/ppc',
2935     'hw/rdma',
2936     'hw/rdma/vmw',
2937     'hw/rtc',
2938     'hw/s390x',
2939     'hw/scsi',
2940     'hw/sd',
2941     'hw/sh4',
2942     'hw/sparc',
2943     'hw/sparc64',
2944     'hw/ssi',
2945     'hw/timer',
2946     'hw/tpm',
2947     'hw/usb',
2948     'hw/vfio',
2949     'hw/virtio',
2950     'hw/watchdog',
2951     'hw/xen',
2952     'hw/gpio',
2953     'migration',
2954     'net',
2955     'softmmu',
2956     'ui',
2957     'hw/remote',
2958   ]
2959 endif
2960 if have_system or have_user
2961   trace_events_subdirs += [
2962     'accel/tcg',
2963     'hw/core',
2964     'target/arm',
2965     'target/arm/hvf',
2966     'target/hppa',
2967     'target/i386',
2968     'target/i386/kvm',
2969     'target/mips/tcg',
2970     'target/nios2',
2971     'target/ppc',
2972     'target/riscv',
2973     'target/s390x',
2974     'target/s390x/kvm',
2975     'target/sparc',
2976   ]
2977 endif
2978
2979 vhost_user = not_found
2980 if targetos == 'linux' and have_vhost_user
2981   libvhost_user = subproject('libvhost-user')
2982   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2983 endif
2984
2985 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2986 # that is filled in by qapi/.
2987 subdir('qapi')
2988 subdir('qobject')
2989 subdir('stubs')
2990 subdir('trace')
2991 subdir('util')
2992 subdir('qom')
2993 subdir('authz')
2994 subdir('crypto')
2995 subdir('ui')
2996 subdir('hw')
2997
2998
2999 if enable_modules
3000   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3001   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3002 endif
3003
3004 qom_ss = qom_ss.apply(config_host, strict: false)
3005 libqom = static_library('qom', qom_ss.sources() + genh,
3006                         dependencies: [qom_ss.dependencies()],
3007                         name_suffix: 'fa')
3008 qom = declare_dependency(link_whole: libqom)
3009
3010 event_loop_base = files('event-loop-base.c')
3011 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3012                                  build_by_default: true)
3013 event_loop_base = declare_dependency(link_whole: event_loop_base,
3014                                      dependencies: [qom])
3015
3016 stub_ss = stub_ss.apply(config_all, strict: false)
3017
3018 util_ss.add_all(trace_ss)
3019 util_ss = util_ss.apply(config_all, strict: false)
3020 libqemuutil = static_library('qemuutil',
3021                              sources: util_ss.sources() + stub_ss.sources() + genh,
3022                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3023 qemuutil = declare_dependency(link_with: libqemuutil,
3024                               sources: genh + version_res,
3025                               dependencies: [event_loop_base])
3026
3027 if have_system or have_user
3028   decodetree = generator(find_program('scripts/decodetree.py'),
3029                          output: 'decode-@BASENAME@.c.inc',
3030                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3031   subdir('libdecnumber')
3032   subdir('target')
3033 endif
3034
3035 subdir('audio')
3036 subdir('io')
3037 subdir('chardev')
3038 subdir('fsdev')
3039 subdir('dump')
3040
3041 if have_block
3042   block_ss.add(files(
3043     'block.c',
3044     'blockjob.c',
3045     'job.c',
3046     'qemu-io-cmds.c',
3047   ))
3048   if config_host_data.get('CONFIG_REPLICATION')
3049     block_ss.add(files('replication.c'))
3050   endif
3051
3052   subdir('nbd')
3053   subdir('scsi')
3054   subdir('block')
3055
3056   blockdev_ss.add(files(
3057     'blockdev.c',
3058     'blockdev-nbd.c',
3059     'iothread.c',
3060     'job-qmp.c',
3061   ), gnutls)
3062
3063   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3064   # os-win32.c does not
3065   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3066   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3067 endif
3068
3069 common_ss.add(files('cpus-common.c'))
3070
3071 subdir('softmmu')
3072
3073 common_ss.add(capstone)
3074 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
3075
3076 # Work around a gcc bug/misfeature wherein constant propagation looks
3077 # through an alias:
3078 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3079 # to guess that a const variable is always zero.  Without lto, this is
3080 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3081 # without lto, not even the alias is required -- we simply use different
3082 # declarations in different compilation units.
3083 pagevary = files('page-vary-common.c')
3084 if get_option('b_lto')
3085   pagevary_flags = ['-fno-lto']
3086   if get_option('cfi')
3087     pagevary_flags += '-fno-sanitize=cfi-icall'
3088   endif
3089   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3090                             c_args: pagevary_flags)
3091   pagevary = declare_dependency(link_with: pagevary)
3092 endif
3093 common_ss.add(pagevary)
3094 specific_ss.add(files('page-vary.c'))
3095
3096 subdir('backends')
3097 subdir('disas')
3098 subdir('migration')
3099 subdir('monitor')
3100 subdir('net')
3101 subdir('replay')
3102 subdir('semihosting')
3103 subdir('tcg')
3104 subdir('fpu')
3105 subdir('accel')
3106 subdir('plugins')
3107 subdir('ebpf')
3108
3109 common_user_inc = []
3110
3111 subdir('common-user')
3112 subdir('bsd-user')
3113 subdir('linux-user')
3114
3115 # needed for fuzzing binaries
3116 subdir('tests/qtest/libqos')
3117 subdir('tests/qtest/fuzz')
3118
3119 # accel modules
3120 tcg_real_module_ss = ss.source_set()
3121 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3122 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3123 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3124                                 'tcg': tcg_real_module_ss }}
3125
3126 ########################
3127 # Library dependencies #
3128 ########################
3129
3130 modinfo_collect = find_program('scripts/modinfo-collect.py')
3131 modinfo_generate = find_program('scripts/modinfo-generate.py')
3132 modinfo_files = []
3133
3134 block_mods = []
3135 softmmu_mods = []
3136 foreach d, list : modules
3137   foreach m, module_ss : list
3138     if enable_modules and targetos != 'windows'
3139       module_ss = module_ss.apply(config_all, strict: false)
3140       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3141                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3142       if d == 'block'
3143         block_mods += sl
3144       else
3145         softmmu_mods += sl
3146       endif
3147       if module_ss.sources() != []
3148         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3149         # input. Sources can be used multiple times but objects are
3150         # unique when it comes to lookup in compile_commands.json.
3151         # Depnds on a mesion version with
3152         # https://github.com/mesonbuild/meson/pull/8900
3153         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3154                                        output: d + '-' + m + '.modinfo',
3155                                        input: module_ss.sources() + genh,
3156                                        capture: true,
3157                                        command: [modinfo_collect, module_ss.sources()])
3158       endif
3159     else
3160       if d == 'block'
3161         block_ss.add_all(module_ss)
3162       else
3163         softmmu_ss.add_all(module_ss)
3164       endif
3165     endif
3166   endforeach
3167 endforeach
3168
3169 foreach d, list : target_modules
3170   foreach m, module_ss : list
3171     if enable_modules and targetos != 'windows'
3172       foreach target : target_dirs
3173         if target.endswith('-softmmu')
3174           config_target = config_target_mak[target]
3175           config_target += config_host
3176           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3177           c_args = ['-DNEED_CPU_H',
3178                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3179                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3180           target_module_ss = module_ss.apply(config_target, strict: false)
3181           if target_module_ss.sources() != []
3182             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3183             sl = static_library(module_name,
3184                                 [genh, target_module_ss.sources()],
3185                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3186                                 include_directories: target_inc,
3187                                 c_args: c_args,
3188                                 pic: true)
3189             softmmu_mods += sl
3190             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3191             modinfo_files += custom_target(module_name + '.modinfo',
3192                                            output: module_name + '.modinfo',
3193                                            input: target_module_ss.sources() + genh,
3194                                            capture: true,
3195                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3196           endif
3197         endif
3198       endforeach
3199     else
3200       specific_ss.add_all(module_ss)
3201     endif
3202   endforeach
3203 endforeach
3204
3205 if enable_modules
3206   foreach target : target_dirs
3207     if target.endswith('-softmmu')
3208       config_target = config_target_mak[target]
3209       config_devices_mak = target + '-config-devices.mak'
3210       modinfo_src = custom_target('modinfo-' + target + '.c',
3211                                   output: 'modinfo-' + target + '.c',
3212                                   input: modinfo_files,
3213                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3214                                   capture: true)
3215
3216       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3217       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3218
3219       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3220       hw_arch[arch].add(modinfo_dep)
3221     endif
3222   endforeach
3223 endif
3224
3225 nm = find_program('nm')
3226 undefsym = find_program('scripts/undefsym.py')
3227 block_syms = custom_target('block.syms', output: 'block.syms',
3228                              input: [libqemuutil, block_mods],
3229                              capture: true,
3230                              command: [undefsym, nm, '@INPUT@'])
3231 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3232                              input: [libqemuutil, softmmu_mods],
3233                              capture: true,
3234                              command: [undefsym, nm, '@INPUT@'])
3235
3236 authz_ss = authz_ss.apply(config_host, strict: false)
3237 libauthz = static_library('authz', authz_ss.sources() + genh,
3238                           dependencies: [authz_ss.dependencies()],
3239                           name_suffix: 'fa',
3240                           build_by_default: false)
3241
3242 authz = declare_dependency(link_whole: libauthz,
3243                            dependencies: qom)
3244
3245 crypto_ss = crypto_ss.apply(config_host, strict: false)
3246 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3247                            dependencies: [crypto_ss.dependencies()],
3248                            name_suffix: 'fa',
3249                            build_by_default: false)
3250
3251 crypto = declare_dependency(link_whole: libcrypto,
3252                             dependencies: [authz, qom])
3253
3254 io_ss = io_ss.apply(config_host, strict: false)
3255 libio = static_library('io', io_ss.sources() + genh,
3256                        dependencies: [io_ss.dependencies()],
3257                        link_with: libqemuutil,
3258                        name_suffix: 'fa',
3259                        build_by_default: false)
3260
3261 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3262
3263 libmigration = static_library('migration', sources: migration_files + genh,
3264                               name_suffix: 'fa',
3265                               build_by_default: false)
3266 migration = declare_dependency(link_with: libmigration,
3267                                dependencies: [zlib, qom, io])
3268 softmmu_ss.add(migration)
3269
3270 block_ss = block_ss.apply(config_host, strict: false)
3271 libblock = static_library('block', block_ss.sources() + genh,
3272                           dependencies: block_ss.dependencies(),
3273                           link_depends: block_syms,
3274                           name_suffix: 'fa',
3275                           build_by_default: false)
3276
3277 block = declare_dependency(link_whole: [libblock],
3278                            link_args: '@block.syms',
3279                            dependencies: [crypto, io])
3280
3281 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3282 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3283                              dependencies: blockdev_ss.dependencies(),
3284                              name_suffix: 'fa',
3285                              build_by_default: false)
3286
3287 blockdev = declare_dependency(link_whole: [libblockdev],
3288                               dependencies: [block, event_loop_base])
3289
3290 qmp_ss = qmp_ss.apply(config_host, strict: false)
3291 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3292                         dependencies: qmp_ss.dependencies(),
3293                         name_suffix: 'fa',
3294                         build_by_default: false)
3295
3296 qmp = declare_dependency(link_whole: [libqmp])
3297
3298 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3299                             name_suffix: 'fa',
3300                             dependencies: chardev_ss.dependencies(),
3301                             build_by_default: false)
3302
3303 chardev = declare_dependency(link_whole: libchardev)
3304
3305 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3306 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3307                            name_suffix: 'fa',
3308                            build_by_default: false)
3309 hwcore = declare_dependency(link_whole: libhwcore)
3310 common_ss.add(hwcore)
3311
3312 ###########
3313 # Targets #
3314 ###########
3315
3316 emulator_modules = []
3317 foreach m : block_mods + softmmu_mods
3318   emulator_modules += shared_module(m.name(),
3319                 build_by_default: true,
3320                 name_prefix: '',
3321                 link_whole: m,
3322                 install: true,
3323                 install_dir: qemu_moddir)
3324 endforeach
3325 if emulator_modules.length() > 0
3326   alias_target('modules', emulator_modules)
3327 endif
3328
3329 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3330 common_ss.add(qom, qemuutil)
3331
3332 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3333 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3334
3335 common_all = common_ss.apply(config_all, strict: false)
3336 common_all = static_library('common',
3337                             build_by_default: false,
3338                             sources: common_all.sources() + genh,
3339                             include_directories: common_user_inc,
3340                             implicit_include_directories: false,
3341                             dependencies: common_all.dependencies(),
3342                             name_suffix: 'fa')
3343
3344 feature_to_c = find_program('scripts/feature_to_c.sh')
3345
3346 if targetos == 'darwin'
3347   entitlement = find_program('scripts/entitlement.sh')
3348 endif
3349
3350 emulators = {}
3351 foreach target : target_dirs
3352   config_target = config_target_mak[target]
3353   target_name = config_target['TARGET_NAME']
3354   target_base_arch = config_target['TARGET_BASE_ARCH']
3355   arch_srcs = [config_target_h[target]]
3356   arch_deps = []
3357   c_args = ['-DNEED_CPU_H',
3358             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3359             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3360   link_args = emulator_link_args
3361
3362   config_target += config_host
3363   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3364   if targetos == 'linux'
3365     target_inc += include_directories('linux-headers', is_system: true)
3366   endif
3367   if target.endswith('-softmmu')
3368     qemu_target_name = 'qemu-system-' + target_name
3369     target_type='system'
3370     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3371     arch_srcs += t.sources()
3372     arch_deps += t.dependencies()
3373
3374     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3375     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3376     arch_srcs += hw.sources()
3377     arch_deps += hw.dependencies()
3378
3379     arch_srcs += config_devices_h[target]
3380     link_args += ['@block.syms', '@qemu.syms']
3381   else
3382     abi = config_target['TARGET_ABI_DIR']
3383     target_type='user'
3384     target_inc += common_user_inc
3385     qemu_target_name = 'qemu-' + target_name
3386     if target_base_arch in target_user_arch
3387       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3388       arch_srcs += t.sources()
3389       arch_deps += t.dependencies()
3390     endif
3391     if 'CONFIG_LINUX_USER' in config_target
3392       base_dir = 'linux-user'
3393     endif
3394     if 'CONFIG_BSD_USER' in config_target
3395       base_dir = 'bsd-user'
3396       target_inc += include_directories('bsd-user/' / targetos)
3397       target_inc += include_directories('bsd-user/host/' / host_arch)
3398       dir = base_dir / abi
3399       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3400     endif
3401     target_inc += include_directories(
3402       base_dir,
3403       base_dir / abi,
3404     )
3405     if 'CONFIG_LINUX_USER' in config_target
3406       dir = base_dir / abi
3407       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3408       if config_target.has_key('TARGET_SYSTBL_ABI')
3409         arch_srcs += \
3410           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3411                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3412       endif
3413     endif
3414   endif
3415
3416   if 'TARGET_XML_FILES' in config_target
3417     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3418                                 output: target + '-gdbstub-xml.c',
3419                                 input: files(config_target['TARGET_XML_FILES'].split()),
3420                                 command: [feature_to_c, '@INPUT@'],
3421                                 capture: true)
3422     arch_srcs += gdbstub_xml
3423   endif
3424
3425   t = target_arch[target_base_arch].apply(config_target, strict: false)
3426   arch_srcs += t.sources()
3427   arch_deps += t.dependencies()
3428
3429   target_common = common_ss.apply(config_target, strict: false)
3430   objects = common_all.extract_objects(target_common.sources())
3431   deps = target_common.dependencies()
3432
3433   target_specific = specific_ss.apply(config_target, strict: false)
3434   arch_srcs += target_specific.sources()
3435   arch_deps += target_specific.dependencies()
3436
3437   lib = static_library('qemu-' + target,
3438                  sources: arch_srcs + genh,
3439                  dependencies: arch_deps,
3440                  objects: objects,
3441                  include_directories: target_inc,
3442                  c_args: c_args,
3443                  build_by_default: false,
3444                  name_suffix: 'fa')
3445
3446   if target.endswith('-softmmu')
3447     execs = [{
3448       'name': 'qemu-system-' + target_name,
3449       'win_subsystem': 'console',
3450       'sources': files('softmmu/main.c'),
3451       'dependencies': []
3452     }]
3453     if targetos == 'windows' and (sdl.found() or gtk.found())
3454       execs += [{
3455         'name': 'qemu-system-' + target_name + 'w',
3456         'win_subsystem': 'windows',
3457         'sources': files('softmmu/main.c'),
3458         'dependencies': []
3459       }]
3460     endif
3461     if get_option('fuzzing')
3462       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3463       execs += [{
3464         'name': 'qemu-fuzz-' + target_name,
3465         'win_subsystem': 'console',
3466         'sources': specific_fuzz.sources(),
3467         'dependencies': specific_fuzz.dependencies(),
3468       }]
3469     endif
3470   else
3471     execs = [{
3472       'name': 'qemu-' + target_name,
3473       'win_subsystem': 'console',
3474       'sources': [],
3475       'dependencies': []
3476     }]
3477   endif
3478   foreach exe: execs
3479     exe_name = exe['name']
3480     if targetos == 'darwin'
3481       exe_name += '-unsigned'
3482     endif
3483
3484     emulator = executable(exe_name, exe['sources'],
3485                install: true,
3486                c_args: c_args,
3487                dependencies: arch_deps + deps + exe['dependencies'],
3488                objects: lib.extract_all_objects(recursive: true),
3489                link_language: link_language,
3490                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3491                link_args: link_args,
3492                win_subsystem: exe['win_subsystem'])
3493
3494     if targetos == 'darwin'
3495       icon = 'pc-bios/qemu.rsrc'
3496       build_input = [emulator, files(icon)]
3497       install_input = [
3498         get_option('bindir') / exe_name,
3499         meson.current_source_dir() / icon
3500       ]
3501       if 'CONFIG_HVF' in config_target
3502         entitlements = 'accel/hvf/entitlements.plist'
3503         build_input += files(entitlements)
3504         install_input += meson.current_source_dir() / entitlements
3505       endif
3506
3507       emulators += {exe['name'] : custom_target(exe['name'],
3508                    input: build_input,
3509                    output: exe['name'],
3510                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3511       }
3512
3513       meson.add_install_script(entitlement, '--install',
3514                                get_option('bindir') / exe['name'],
3515                                install_input)
3516     else
3517       emulators += {exe['name']: emulator}
3518     endif
3519
3520     if stap.found()
3521       foreach stp: [
3522         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3523         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3524         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3525         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3526       ]
3527         custom_target(exe['name'] + stp['ext'],
3528                       input: trace_events_all,
3529                       output: exe['name'] + stp['ext'],
3530                       install: stp['install'],
3531                       install_dir: get_option('datadir') / 'systemtap/tapset',
3532                       command: [
3533                         tracetool, '--group=all', '--format=' + stp['fmt'],
3534                         '--binary=' + stp['bin'],
3535                         '--target-name=' + target_name,
3536                         '--target-type=' + target_type,
3537                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3538                         '@INPUT@', '@OUTPUT@'
3539                       ],
3540                       depend_files: tracetool_depends)
3541       endforeach
3542     endif
3543   endforeach
3544 endforeach
3545
3546 # Other build targets
3547
3548 if 'CONFIG_PLUGIN' in config_host
3549   install_headers('include/qemu/qemu-plugin.h')
3550 endif
3551
3552 subdir('qga')
3553
3554 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3555 # when we don't build tools or system
3556 if xkbcommon.found()
3557   # used for the update-keymaps target, so include rules even if !have_tools
3558   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3559                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3560 endif
3561
3562 if have_tools
3563   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3564              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3565   qemu_io = executable('qemu-io', files('qemu-io.c'),
3566              dependencies: [block, qemuutil], install: true)
3567   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3568                dependencies: [blockdev, qemuutil, gnutls, selinux],
3569                install: true)
3570
3571   subdir('storage-daemon')
3572   subdir('contrib/rdmacm-mux')
3573   subdir('contrib/elf2dmp')
3574
3575   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3576              dependencies: qemuutil,
3577              install: true)
3578
3579   if have_vhost_user
3580     subdir('contrib/vhost-user-blk')
3581     subdir('contrib/vhost-user-gpu')
3582     subdir('contrib/vhost-user-input')
3583     subdir('contrib/vhost-user-scsi')
3584   endif
3585
3586   if targetos == 'linux'
3587     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3588                dependencies: [qemuutil, libcap_ng],
3589                install: true,
3590                install_dir: get_option('libexecdir'))
3591
3592     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3593                dependencies: [authz, crypto, io, qom, qemuutil,
3594                               libcap_ng, mpathpersist],
3595                install: true)
3596   endif
3597
3598   if have_ivshmem
3599     subdir('contrib/ivshmem-client')
3600     subdir('contrib/ivshmem-server')
3601   endif
3602 endif
3603
3604 subdir('scripts')
3605 subdir('tools')
3606 subdir('pc-bios')
3607 subdir('docs')
3608 subdir('tests')
3609 if gtk.found()
3610   subdir('po')
3611 endif
3612
3613 if host_machine.system() == 'windows'
3614   nsis_cmd = [
3615     find_program('scripts/nsis.py'),
3616     '@OUTPUT@',
3617     get_option('prefix'),
3618     meson.current_source_dir(),
3619     host_machine.cpu(),
3620     '--',
3621     '-DDISPLAYVERSION=' + meson.project_version(),
3622   ]
3623   if build_docs
3624     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3625   endif
3626   if gtk.found()
3627     nsis_cmd += '-DCONFIG_GTK=y'
3628   endif
3629
3630   nsis = custom_target('nsis',
3631                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3632                        input: files('qemu.nsi'),
3633                        build_always_stale: true,
3634                        command: nsis_cmd + ['@INPUT@'])
3635   alias_target('installer', nsis)
3636 endif
3637
3638 #########################
3639 # Configuration summary #
3640 #########################
3641
3642 # Directories
3643 summary_info = {}
3644 summary_info += {'Install prefix':    get_option('prefix')}
3645 summary_info += {'BIOS directory':    qemu_datadir}
3646 summary_info += {'firmware path':     get_option('prefix') / get_option('qemu_firmwarepath')}
3647 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3648 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3649 summary_info += {'module directory':  qemu_moddir}
3650 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3651 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3652 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3653 if targetos != 'windows'
3654   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3655   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3656 else
3657   summary_info += {'local state directory': 'queried at runtime'}
3658 endif
3659 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3660 summary_info += {'Build directory':   meson.current_build_dir()}
3661 summary_info += {'Source path':       meson.current_source_dir()}
3662 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3663 summary(summary_info, bool_yn: true, section: 'Directories')
3664
3665 # Host binaries
3666 summary_info = {}
3667 summary_info += {'git':               config_host['GIT']}
3668 summary_info += {'make':              config_host['MAKE']}
3669 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3670 summary_info += {'sphinx-build':      sphinx_build}
3671 if config_host.has_key('HAVE_GDB_BIN')
3672   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3673 endif
3674 summary_info += {'iasl':              iasl}
3675 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3676 if targetos == 'windows' and have_ga
3677   summary_info += {'wixl':            wixl}
3678 endif
3679 if slirp_opt != 'disabled' and have_system
3680   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3681 endif
3682 summary(summary_info, bool_yn: true, section: 'Host binaries')
3683
3684 # Configurable features
3685 summary_info = {}
3686 summary_info += {'Documentation':     build_docs}
3687 summary_info += {'system-mode emulation': have_system}
3688 summary_info += {'user-mode emulation': have_user}
3689 summary_info += {'block layer':       have_block}
3690 summary_info += {'Install blobs':     get_option('install_blobs')}
3691 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3692 if config_host.has_key('CONFIG_MODULES')
3693   summary_info += {'alternative module path': get_option('module_upgrades')}
3694 endif
3695 summary_info += {'fuzzing support':   get_option('fuzzing')}
3696 if have_system
3697   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3698 endif
3699 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3700 if 'simple' in get_option('trace_backends')
3701   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3702 endif
3703 summary_info += {'D-Bus display':     dbus_display}
3704 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3705 summary_info += {'vhost-kernel support': have_vhost_kernel}
3706 summary_info += {'vhost-net support': have_vhost_net}
3707 summary_info += {'vhost-user support': have_vhost_user}
3708 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3709 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3710 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3711 summary_info += {'build guest agent': have_ga}
3712 summary(summary_info, bool_yn: true, section: 'Configurable features')
3713
3714 # Compilation information
3715 summary_info = {}
3716 summary_info += {'host CPU':          cpu}
3717 summary_info += {'host endianness':   build_machine.endian()}
3718 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3719 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3720 if link_language == 'cpp'
3721   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3722 else
3723   summary_info += {'C++ compiler':      false}
3724 endif
3725 if targetos == 'darwin'
3726   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3727 endif
3728 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3729                                                + ['-O' + get_option('optimization')]
3730                                                + (get_option('debug') ? ['-g'] : []))}
3731 if link_language == 'cpp'
3732   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3733                                                + ['-O' + get_option('optimization')]
3734                                                + (get_option('debug') ? ['-g'] : []))}
3735 endif
3736 if targetos == 'darwin'
3737   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3738                                                + ['-O' + get_option('optimization')]
3739                                                + (get_option('debug') ? ['-g'] : []))}
3740 endif
3741 link_args = get_option(link_language + '_link_args')
3742 if link_args.length() > 0
3743   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3744 endif
3745 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3746 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3747 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3748 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3749 summary_info += {'profiler':          get_option('profiler')}
3750 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3751 summary_info += {'PIE':               get_option('b_pie')}
3752 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3753 summary_info += {'malloc trim support': has_malloc_trim}
3754 summary_info += {'membarrier':        have_membarrier}
3755 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3756 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3757 summary_info += {'memory allocator':  get_option('malloc')}
3758 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3759 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3760 summary_info += {'gprof enabled':     get_option('gprof')}
3761 summary_info += {'gcov':              get_option('b_coverage')}
3762 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3763 summary_info += {'CFI support':       get_option('cfi')}
3764 if get_option('cfi')
3765   summary_info += {'CFI debug support': get_option('cfi_debug')}
3766 endif
3767 summary_info += {'strip binaries':    get_option('strip')}
3768 summary_info += {'sparse':            sparse}
3769 summary_info += {'mingw32 support':   targetos == 'windows'}
3770
3771 # snarf the cross-compilation information for tests
3772 foreach target: target_dirs
3773   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3774   if fs.exists(tcg_mak)
3775     config_cross_tcg = keyval.load(tcg_mak)
3776     target = config_cross_tcg['TARGET_NAME']
3777     compiler = ''
3778     if 'CC' in config_cross_tcg
3779       summary_info += {target + ' tests': config_cross_tcg['CC']}
3780     endif
3781    endif
3782 endforeach
3783
3784 summary(summary_info, bool_yn: true, section: 'Compilation')
3785
3786 # Targets and accelerators
3787 summary_info = {}
3788 if have_system
3789   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3790   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3791   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3792   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3793   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3794   summary_info += {'Xen support':       xen.found()}
3795   if xen.found()
3796     summary_info += {'xen ctrl version':  xen.version()}
3797   endif
3798 endif
3799 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3800 if config_all.has_key('CONFIG_TCG')
3801   if get_option('tcg_interpreter')
3802     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3803   else
3804     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3805   endif
3806   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3807   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3808 endif
3809 summary_info += {'target list':       ' '.join(target_dirs)}
3810 if have_system
3811   summary_info += {'default devices':   get_option('default_devices')}
3812   summary_info += {'out of process emulation': multiprocess_allowed}
3813   summary_info += {'vfio-user server': vfio_user_server_allowed}
3814 endif
3815 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3816
3817 # Block layer
3818 summary_info = {}
3819 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3820 summary_info += {'coroutine pool':    have_coroutine_pool}
3821 if have_block
3822   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3823   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3824   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3825   summary_info += {'VirtFS support':    have_virtfs}
3826   summary_info += {'build virtiofs daemon': have_virtiofsd}
3827   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3828   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3829   summary_info += {'bochs support':     get_option('bochs').allowed()}
3830   summary_info += {'cloop support':     get_option('cloop').allowed()}
3831   summary_info += {'dmg support':       get_option('dmg').allowed()}
3832   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3833   summary_info += {'vdi support':       get_option('vdi').allowed()}
3834   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3835   summary_info += {'qed support':       get_option('qed').allowed()}
3836   summary_info += {'parallels support': get_option('parallels').allowed()}
3837   summary_info += {'FUSE exports':      fuse}
3838 endif
3839 summary(summary_info, bool_yn: true, section: 'Block layer support')
3840
3841 # Crypto
3842 summary_info = {}
3843 summary_info += {'TLS priority':      get_option('tls_priority')}
3844 summary_info += {'GNUTLS support':    gnutls}
3845 if gnutls.found()
3846   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3847 endif
3848 summary_info += {'libgcrypt':         gcrypt}
3849 summary_info += {'nettle':            nettle}
3850 if nettle.found()
3851    summary_info += {'  XTS':             xts != 'private'}
3852 endif
3853 summary_info += {'AF_ALG support':    have_afalg}
3854 summary_info += {'rng-none':          get_option('rng_none')}
3855 summary_info += {'Linux keyring':     have_keyring}
3856 summary(summary_info, bool_yn: true, section: 'Crypto')
3857
3858 # Libraries
3859 summary_info = {}
3860 if targetos == 'darwin'
3861   summary_info += {'Cocoa support':           cocoa}
3862   summary_info += {'vmnet.framework support': vmnet}
3863 endif
3864 summary_info += {'SDL support':       sdl}
3865 summary_info += {'SDL image support': sdl_image}
3866 summary_info += {'GTK support':       gtk}
3867 summary_info += {'pixman':            pixman}
3868 summary_info += {'VTE support':       vte}
3869 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3870 summary_info += {'libtasn1':          tasn1}
3871 summary_info += {'PAM':               pam}
3872 summary_info += {'iconv support':     iconv}
3873 summary_info += {'curses support':    curses}
3874 summary_info += {'virgl support':     virgl}
3875 summary_info += {'curl support':      curl}
3876 summary_info += {'Multipath support': mpathpersist}
3877 summary_info += {'PNG support':       png}
3878 summary_info += {'VNC support':       vnc}
3879 if vnc.found()
3880   summary_info += {'VNC SASL support':  sasl}
3881   summary_info += {'VNC JPEG support':  jpeg}
3882 endif
3883 if targetos not in ['darwin', 'haiku', 'windows']
3884   summary_info += {'OSS support':     oss}
3885 elif targetos == 'darwin'
3886   summary_info += {'CoreAudio support': coreaudio}
3887 elif targetos == 'windows'
3888   summary_info += {'DirectSound support': dsound}
3889 endif
3890 if targetos == 'linux'
3891   summary_info += {'ALSA support':    alsa}
3892   summary_info += {'PulseAudio support': pulse}
3893 endif
3894 summary_info += {'JACK support':      jack}
3895 summary_info += {'brlapi support':    brlapi}
3896 summary_info += {'vde support':       vde}
3897 summary_info += {'netmap support':    have_netmap}
3898 summary_info += {'l2tpv3 support':    have_l2tpv3}
3899 summary_info += {'Linux AIO support': libaio}
3900 summary_info += {'Linux io_uring support': linux_io_uring}
3901 summary_info += {'ATTR/XATTR support': libattr}
3902 summary_info += {'RDMA support':      rdma}
3903 summary_info += {'PVRDMA support':    have_pvrdma}
3904 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3905 summary_info += {'libcap-ng support': libcap_ng}
3906 summary_info += {'bpf support':       libbpf}
3907 summary_info += {'spice protocol support': spice_protocol}
3908 if spice_protocol.found()
3909   summary_info += {'  spice server support': spice}
3910 endif
3911 summary_info += {'rbd support':       rbd}
3912 summary_info += {'smartcard support': cacard}
3913 summary_info += {'U2F support':       u2f}
3914 summary_info += {'libusb':            libusb}
3915 summary_info += {'usb net redir':     usbredir}
3916 summary_info += {'OpenGL support (epoxy)': opengl}
3917 summary_info += {'GBM':               gbm}
3918 summary_info += {'libiscsi support':  libiscsi}
3919 summary_info += {'libnfs support':    libnfs}
3920 if targetos == 'windows'
3921   if have_ga
3922     summary_info += {'QGA VSS support':   have_qga_vss}
3923   endif
3924 endif
3925 summary_info += {'seccomp support':   seccomp}
3926 summary_info += {'GlusterFS support': glusterfs}
3927 summary_info += {'TPM support':       have_tpm}
3928 summary_info += {'libssh support':    libssh}
3929 summary_info += {'lzo support':       lzo}
3930 summary_info += {'snappy support':    snappy}
3931 summary_info += {'bzip2 support':     libbzip2}
3932 summary_info += {'lzfse support':     liblzfse}
3933 summary_info += {'zstd support':      zstd}
3934 summary_info += {'NUMA host support': numa}
3935 summary_info += {'capstone':          capstone}
3936 summary_info += {'libpmem support':   libpmem}
3937 summary_info += {'libdaxctl support': libdaxctl}
3938 summary_info += {'libudev':           libudev}
3939 # Dummy dependency, keep .found()
3940 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3941 summary_info += {'selinux':           selinux}
3942 summary(summary_info, bool_yn: true, section: 'Dependencies')
3943
3944 if not supported_cpus.contains(cpu)
3945   message()
3946   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3947   message()
3948   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3949   message('The QEMU project intends to remove support for this host CPU in')
3950   message('a future release if nobody volunteers to maintain it and to')
3951   message('provide a build host for our continuous integration setup.')
3952   message('configure has succeeded and you can continue to build, but')
3953   message('if you care about QEMU on this platform you should contact')
3954   message('us upstream at qemu-devel@nongnu.org.')
3955 endif
3956
3957 if not supported_oses.contains(targetos)
3958   message()
3959   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3960   message()
3961   message('Host OS ' + targetos + 'support is not currently maintained.')
3962   message('The QEMU project intends to remove support for this host OS in')
3963   message('a future release if nobody volunteers to maintain it and to')
3964   message('provide a build host for our continuous integration setup.')
3965   message('configure has succeeded and you can continue to build, but')
3966   message('if you care about QEMU on this platform you should contact')
3967   message('us upstream at qemu-devel@nongnu.org.')
3968 endif