meson.build

   1 project('qemu', ['c'], meson_version: '>=0.61.3',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
   4         version: files('VERSION'))
   5
   6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
   7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
   8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
   9
  10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
  11
  12 not_found = dependency('', required: false)
  13 keyval = import('keyval')
  14 ss = import('sourceset')
  15 fs = import('fs')
  16
  17 targetos = host_machine.system()
  18 sh = find_program('sh')
  19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  20 enable_modules = 'CONFIG_MODULES' in config_host
  21 enable_static = 'CONFIG_STATIC' in config_host
  22
  23 # Allow both shared and static libraries unless --enable-static
  24 static_kwargs = enable_static ? {'static': true} : {}
  25
  26 cc = meson.get_compiler('c')
  27 all_languages = ['c']
  28 if add_languages('cpp', required: false, native: false)
  29   all_languages += ['cpp']
  30   cxx = meson.get_compiler('cpp')
  31 endif
  32 if targetos == 'darwin' and \
  33    add_languages('objc', required: get_option('cocoa'), native: false)
  34   all_languages += ['objc']
  35   objc = meson.get_compiler('objc')
  36 endif
  37
  38 # Temporary directory used for files created while
  39 # configure runs. Since it is in the build directory
  40 # we can safely blow away any previous version of it
  41 # (and we need not jump through hoops to try to delete
  42 # it when configure exits.)
  43 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  44
  45 if get_option('qemu_suffix').startswith('/')
  46   error('qemu_suffix cannot start with a /')
  47 endif
  48
  49 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  50 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  51 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  52 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  53
  54 qemu_desktopdir = get_option('datadir') / 'applications'
  55 qemu_icondir = get_option('datadir') / 'icons'
  56
  57 config_host_data = configuration_data()
  58 genh = []
  59 qapi_trace_events = []
  60
  61 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  62 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  63 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  64   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
  65
  66 cpu = host_machine.cpu_family()
  67
  68 # Unify riscv* to a single family.
  69 if cpu in ['riscv32', 'riscv64']
  70   cpu = 'riscv'
  71 endif
  72
  73 target_dirs = config_host['TARGET_DIRS'].split()
  74 have_linux_user = false
  75 have_bsd_user = false
  76 have_system = false
  77 foreach target : target_dirs
  78   have_linux_user = have_linux_user or target.endswith('linux-user')
  79   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  80   have_system = have_system or target.endswith('-softmmu')
  81 endforeach
  82 have_user = have_linux_user or have_bsd_user
  83 have_tools = get_option('tools') \
  84   .disable_auto_if(not have_system) \
  85   .allowed()
  86 have_ga = get_option('guest_agent') \
  87   .disable_auto_if(not have_system and not have_tools) \
  88   .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
  89            error_message: 'unsupported OS for QEMU guest agent') \
  90   .allowed()
  91 have_block = have_system or have_tools
  92
  93 python = import('python').find_installation()
  94
  95 if cpu not in supported_cpus
  96   host_arch = 'unknown'
  97 elif cpu == 'x86'
  98   host_arch = 'i386'
  99 elif cpu == 'mips64'
 100   host_arch = 'mips'
 101 else
 102   host_arch = cpu
 103 endif
 104
 105 if cpu in ['x86', 'x86_64']
 106   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
 107 elif cpu == 'aarch64'
 108   kvm_targets = ['aarch64-softmmu']
 109 elif cpu == 's390x'
 110   kvm_targets = ['s390x-softmmu']
 111 elif cpu in ['ppc', 'ppc64']
 112   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 113 elif cpu in ['mips', 'mips64']
 114   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 115 elif cpu in ['riscv']
 116   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 117 else
 118   kvm_targets = []
 119 endif
 120
 121 kvm_targets_c = '""'
 122 if get_option('kvm').allowed() and targetos == 'linux'
 123   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 124 endif
 125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 126
 127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 128
 129 if cpu in ['aarch64']
 130   accelerator_targets += {
 131     'CONFIG_HVF': ['aarch64-softmmu']
 132   }
 133 endif
 134
 135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 136   # i386 emulator provides xenpv machine type for multiple architectures
 137   accelerator_targets += {
 138     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 139   }
 140 endif
 141 if cpu in ['x86', 'x86_64']
 142   accelerator_targets += {
 143     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 144     'CONFIG_HVF': ['x86_64-softmmu'],
 145     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 146     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 147   }
 148 endif
 149
 150 modular_tcg = []
 151 # Darwin does not support references to thread-local variables in modules
 152 if targetos != 'darwin'
 153   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 154 endif
 155
 156 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 157 unpack_edk2_blobs = false
 158 foreach target : edk2_targets
 159   if target in target_dirs
 160     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 161     unpack_edk2_blobs = bzip2.found()
 162     break
 163   endif
 164 endforeach
 165
 166 dtrace = not_found
 167 stap = not_found
 168 if 'dtrace' in get_option('trace_backends')
 169   dtrace = find_program('dtrace', required: true)
 170   stap = find_program('stap', required: false)
 171   if stap.found()
 172     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 173     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 174     # instead. QEMU --enable-modules depends on this because the SystemTap
 175     # semaphores are linked into the main binary and not the module's shared
 176     # object.
 177     add_global_arguments('-DSTAP_SDT_V2',
 178                          native: false, language: all_languages)
 179   endif
 180 endif
 181
 182 if get_option('iasl') == ''
 183   iasl = find_program('iasl', required: false)
 184 else
 185   iasl = find_program(get_option('iasl'), required: true)
 186 endif
 187
 188 ##################
 189 # Compiler flags #
 190 ##################
 191
 192 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 193 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 194 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 195
 196 if enable_static
 197   qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
 198 endif
 199
 200 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
 201 # The combination is known as "full relro", because .got.plt is read-only too.
 202 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
 203
 204 if targetos == 'windows'
 205   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 206   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
 207 endif
 208
 209 if get_option('gprof')
 210   qemu_cflags += ['-p']
 211   qemu_objcflags += ['-p']
 212   qemu_ldflags += ['-p']
 213 endif
 214
 215 # Specify linker-script with add_project_link_arguments so that it is not placed
 216 # within a linker --start-group/--end-group pair
 217 if get_option('fuzzing')
 218   # Specify a filter to only instrument code that is directly related to
 219   # virtual-devices.
 220   configure_file(output: 'instrumentation-filter',
 221                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 222                  copy: true)
 223
 224   if cc.compiles('int main () { return 0; }',
 225                   name: '-fsanitize-coverage-allowlist=/dev/null',
 226                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 227                         '-fsanitize-coverage=trace-pc'] )
 228     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 229                          native: false, language: all_languages)
 230   endif
 231
 232   if get_option('fuzzing_engine') == ''
 233     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 234     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 235     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 236     # unable to bind the fuzzer-related callbacks added by instrumentation.
 237     add_global_arguments('-fsanitize=fuzzer-no-link',
 238                          native: false, language: all_languages)
 239     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 240                               native: false, language: all_languages)
 241     # For the actual fuzzer binaries, we need to link against the libfuzzer
 242     # library. They need to be configurable, to support OSS-Fuzz
 243     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 244   else
 245     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 246     # the needed CFLAGS have already been provided
 247     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 248   endif
 249 endif
 250
 251 # Check that the C++ compiler exists and works with the C compiler.
 252 link_language = 'c'
 253 linker = cc
 254 qemu_cxxflags = []
 255 if 'cpp' in all_languages
 256   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
 257                        native: false, language: 'cpp')
 258   foreach k: qemu_cflags
 259     if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
 260                  '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
 261       qemu_cxxflags += [k]
 262     endif
 263   endforeach
 264
 265   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
 266     link_language = 'cpp'
 267     linker = cxx
 268   else
 269     message('C++ compiler does not work with C compiler')
 270     message('Disabling C++-specific optional code')
 271   endif
 272 endif
 273
 274 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
 275 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
 276   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 277 endif
 278
 279 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 280
 281 add_global_arguments(qemu_cflags, native: false, language: 'c')
 282 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 283 add_global_arguments(qemu_objcflags, native: false, language: 'objc')
 284 if targetos == 'linux'
 285   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 286                         '-isystem', 'linux-headers',
 287                         language: all_languages)
 288 endif
 289
 290 add_project_arguments('-iquote', '.',
 291                       '-iquote', meson.current_source_dir(),
 292                       '-iquote', meson.current_source_dir() / 'include',
 293                       language: all_languages)
 294
 295 sparse = find_program('cgcc', required: get_option('sparse'))
 296 if sparse.found()
 297   run_target('sparse',
 298              command: [find_program('scripts/check_sparse.py'),
 299                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 300                        '-Wno-transparent-union', '-Wno-old-initializer',
 301                        '-Wno-non-pointer-null'])
 302 endif
 303
 304 ###########################################
 305 # Target-specific checks and dependencies #
 306 ###########################################
 307
 308 # Fuzzing
 309 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 310     not cc.links('''
 311           #include <stdint.h>
 312           #include <sys/types.h>
 313           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 314           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 315         ''',
 316         args: ['-Werror', '-fsanitize=fuzzer'])
 317   error('Your compiler does not support -fsanitize=fuzzer')
 318 endif
 319
 320 # Tracing backends
 321 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 322   error('ftrace is supported only on Linux')
 323 endif
 324 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 325     #include <syslog.h>
 326     int main(void) {
 327         openlog("qemu", LOG_PID, LOG_DAEMON);
 328         syslog(LOG_INFO, "configure");
 329         return 0;
 330     }''')
 331   error('syslog is not supported on this system')
 332 endif
 333
 334 # Miscellaneous Linux-only features
 335 get_option('mpath') \
 336   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 337
 338 multiprocess_allowed = get_option('multiprocess') \
 339   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 340   .allowed()
 341
 342 vfio_user_server_allowed = get_option('vfio_user_server') \
 343   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 344   .allowed()
 345
 346 have_tpm = get_option('tpm') \
 347   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 348   .allowed()
 349
 350 # vhost
 351 have_vhost_user = get_option('vhost_user') \
 352   .disable_auto_if(targetos != 'linux') \
 353   .require(targetos != 'windows',
 354            error_message: 'vhost-user is not available on Windows').allowed()
 355 have_vhost_vdpa = get_option('vhost_vdpa') \
 356   .require(targetos == 'linux',
 357            error_message: 'vhost-vdpa is only available on Linux').allowed()
 358 have_vhost_kernel = get_option('vhost_kernel') \
 359   .require(targetos == 'linux',
 360            error_message: 'vhost-kernel is only available on Linux').allowed()
 361 have_vhost_user_crypto = get_option('vhost_crypto') \
 362   .require(have_vhost_user,
 363            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 364
 365 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 366
 367 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 368 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 369 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 370 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 371
 372 # Target-specific libraries and flags
 373 libm = cc.find_library('m', required: false)
 374 threads = dependency('threads')
 375 util = cc.find_library('util', required: false)
 376 winmm = []
 377 socket = []
 378 version_res = []
 379 coref = []
 380 iokit = []
 381 emulator_link_args = []
 382 nvmm =not_found
 383 hvf = not_found
 384 midl = not_found
 385 widl = not_found
 386 pathcch = not_found
 387 host_dsosuf = '.so'
 388 if targetos == 'windows'
 389   midl = find_program('midl', required: false)
 390   widl = find_program('widl', required: false)
 391   pathcch = cc.find_library('pathcch')
 392   socket = cc.find_library('ws2_32')
 393   winmm = cc.find_library('winmm')
 394
 395   win = import('windows')
 396   version_res = win.compile_resources('version.rc',
 397                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 398                                       include_directories: include_directories('.'))
 399   host_dsosuf = '.dll'
 400 elif targetos == 'darwin'
 401   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 402   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 403   host_dsosuf = '.dylib'
 404 elif targetos == 'sunos'
 405   socket = [cc.find_library('socket'),
 406             cc.find_library('nsl'),
 407             cc.find_library('resolv')]
 408 elif targetos == 'haiku'
 409   socket = [cc.find_library('posix_error_mapper'),
 410             cc.find_library('network'),
 411             cc.find_library('bsd')]
 412 elif targetos == 'openbsd'
 413   if get_option('tcg').allowed() and target_dirs.length() > 0
 414     # Disable OpenBSD W^X if available
 415     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 416   endif
 417 endif
 418
 419 # Target-specific configuration of accelerators
 420 accelerators = []
 421 if get_option('kvm').allowed() and targetos == 'linux'
 422   accelerators += 'CONFIG_KVM'
 423 endif
 424 if get_option('whpx').allowed() and targetos == 'windows'
 425   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 426     error('WHPX requires 64-bit host')
 427   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 428        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 429     accelerators += 'CONFIG_WHPX'
 430   endif
 431 endif
 432 if get_option('hvf').allowed()
 433   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 434                    required: get_option('hvf'))
 435   if hvf.found()
 436     accelerators += 'CONFIG_HVF'
 437   endif
 438 endif
 439 if get_option('hax').allowed()
 440   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 441     accelerators += 'CONFIG_HAX'
 442   endif
 443 endif
 444 if targetos == 'netbsd'
 445   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 446   if nvmm.found()
 447     accelerators += 'CONFIG_NVMM'
 448   endif
 449 endif
 450
 451 tcg_arch = host_arch
 452 if get_option('tcg').allowed()
 453   if host_arch == 'unknown'
 454     if get_option('tcg_interpreter')
 455       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 456     else
 457       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 458     endif
 459   elif get_option('tcg_interpreter')
 460     warning('Use of the TCG interpreter is not recommended on this host')
 461     warning('architecture. There is a native TCG execution backend available')
 462     warning('which provides substantially better performance and reliability.')
 463     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 464     warning('configuration option on this architecture to use the native')
 465     warning('backend.')
 466   endif
 467   if get_option('tcg_interpreter')
 468     tcg_arch = 'tci'
 469     config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
 470   elif host_arch == 'x86_64'
 471     tcg_arch = 'i386'
 472   elif host_arch == 'ppc64'
 473     tcg_arch = 'ppc'
 474   endif
 475   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 476                         language: all_languages)
 477
 478   accelerators += 'CONFIG_TCG'
 479   config_host += { 'CONFIG_TCG': 'y' }
 480 endif
 481
 482 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 483   error('KVM not available on this platform')
 484 endif
 485 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 486   error('HVF not available on this platform')
 487 endif
 488 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 489   error('NVMM not available on this platform')
 490 endif
 491 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 492   error('WHPX not available on this platform')
 493 endif
 494
 495 ################
 496 # Dependencies #
 497 ################
 498
 499 # The path to glib.h is added to all compilation commands.  This was
 500 # grandfathered in from the QEMU Makefiles.
 501 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 502                       native: false, language: all_languages)
 503 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 504                           link_args: config_host['GLIB_LIBS'].split(),
 505                           version: config_host['GLIB_VERSION'],
 506                           variables: {
 507                             'bindir': config_host['GLIB_BINDIR'],
 508                           })
 509 # override glib dep with the configure results (for subprojects)
 510 meson.override_dependency('glib-2.0', glib)
 511 # pass down whether Glib has the slice allocator
 512 if config_host.has_key('HAVE_GLIB_WITH_SLICE_ALLOCATOR')
 513   config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', true)
 514 endif
 515
 516 gio = not_found
 517 gdbus_codegen = not_found
 518 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
 519 if not get_option('gio').auto() or have_system
 520   gio = dependency('gio-2.0', required: get_option('gio'),
 521                    method: 'pkg-config', kwargs: static_kwargs)
 522   if gio.found() and not cc.links('''
 523     #include <gio/gio.h>
 524     int main(void)
 525     {
 526       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 527       return 0;
 528     }''', dependencies: [glib, gio])
 529     if get_option('gio').enabled()
 530       error('The installed libgio is broken for static linking')
 531     endif
 532     gio = not_found
 533   endif
 534   if gio.found()
 535     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 536                                  required: get_option('gio'))
 537     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 538                           method: 'pkg-config', kwargs: static_kwargs)
 539     gio = declare_dependency(dependencies: [gio, gio_unix],
 540                              version: gio.version())
 541   endif
 542 endif
 543 if gdbus_codegen.found() and get_option('cfi')
 544   gdbus_codegen = not_found
 545   gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
 546 endif
 547
 548 lttng = not_found
 549 if 'ust' in get_option('trace_backends')
 550   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 551                      method: 'pkg-config', kwargs: static_kwargs)
 552 endif
 553 pixman = not_found
 554 if have_system or have_tools
 555   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 556                       method: 'pkg-config', kwargs: static_kwargs)
 557 endif
 558 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 559
 560 libaio = not_found
 561 if not get_option('linux_aio').auto() or have_block
 562   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 563                            required: get_option('linux_aio'),
 564                            kwargs: static_kwargs)
 565 endif
 566
 567 linux_io_uring_test = '''
 568   #include <liburing.h>
 569   #include <linux/errqueue.h>
 570
 571   int main(void) { return 0; }'''
 572
 573 linux_io_uring = not_found
 574 if not get_option('linux_io_uring').auto() or have_block
 575   linux_io_uring = dependency('liburing', version: '>=0.3',
 576                               required: get_option('linux_io_uring'),
 577                               method: 'pkg-config', kwargs: static_kwargs)
 578   if not cc.links(linux_io_uring_test)
 579     linux_io_uring = not_found
 580   endif
 581 endif
 582
 583 libnfs = not_found
 584 if not get_option('libnfs').auto() or have_block
 585   libnfs = dependency('libnfs', version: '>=1.9.3',
 586                       required: get_option('libnfs'),
 587                       method: 'pkg-config', kwargs: static_kwargs)
 588 endif
 589
 590 libattr_test = '''
 591   #include <stddef.h>
 592   #include <sys/types.h>
 593   #ifdef CONFIG_LIBATTR
 594   #include <attr/xattr.h>
 595   #else
 596   #include <sys/xattr.h>
 597   #endif
 598   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 599
 600 libattr = not_found
 601 have_old_libattr = false
 602 if get_option('attr').allowed()
 603   if cc.links(libattr_test)
 604     libattr = declare_dependency()
 605   else
 606     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 607                               required: get_option('attr'),
 608                               kwargs: static_kwargs)
 609     if libattr.found() and not \
 610       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 611       libattr = not_found
 612       if get_option('attr').enabled()
 613         error('could not link libattr')
 614       else
 615         warning('could not link libattr, disabling')
 616       endif
 617     else
 618       have_old_libattr = libattr.found()
 619     endif
 620   endif
 621 endif
 622
 623 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
 624                    required: get_option('cocoa'))
 625
 626 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 627 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 628                                               'VMNET_BRIDGED_MODE',
 629                                               dependencies: vmnet)
 630   vmnet = not_found
 631   if get_option('vmnet').enabled()
 632     error('vmnet.framework API is outdated')
 633   else
 634     warning('vmnet.framework API is outdated, disabling')
 635   endif
 636 endif
 637
 638 seccomp = not_found
 639 seccomp_has_sysrawrc = false
 640 if not get_option('seccomp').auto() or have_system or have_tools
 641   seccomp = dependency('libseccomp', version: '>=2.3.0',
 642                        required: get_option('seccomp'),
 643                        method: 'pkg-config', kwargs: static_kwargs)
 644   if seccomp.found()
 645     seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
 646                                                 'SCMP_FLTATR_API_SYSRAWRC',
 647                                                 dependencies: seccomp)
 648   endif
 649 endif
 650
 651 libcap_ng = not_found
 652 if not get_option('cap_ng').auto() or have_system or have_tools
 653   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 654                               required: get_option('cap_ng'),
 655                               kwargs: static_kwargs)
 656 endif
 657 if libcap_ng.found() and not cc.links('''
 658    #include <cap-ng.h>
 659    int main(void)
 660    {
 661      capng_capability_to_name(CAPNG_EFFECTIVE);
 662      return 0;
 663    }''', dependencies: libcap_ng)
 664   libcap_ng = not_found
 665   if get_option('cap_ng').enabled()
 666     error('could not link libcap-ng')
 667   else
 668     warning('could not link libcap-ng, disabling')
 669   endif
 670 endif
 671
 672 if get_option('xkbcommon').auto() and not have_system and not have_tools
 673   xkbcommon = not_found
 674 else
 675   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 676                          method: 'pkg-config', kwargs: static_kwargs)
 677 endif
 678
 679 slirp = not_found
 680 if not get_option('slirp').auto() or have_system
 681   slirp = dependency('slirp', required: get_option('slirp'),
 682                      method: 'pkg-config', kwargs: static_kwargs)
 683   # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
 684   # it passes function pointers within libslirp as callbacks for timers.
 685   # When using a system-wide shared libslirp, the type information for the
 686   # callback is missing and the timer call produces a false positive with CFI.
 687   # Do not use the "version" keyword argument to produce a better error.
 688   # with control-flow integrity.
 689   if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
 690     if get_option('slirp').enabled()
 691       error('Control-Flow Integrity requires libslirp 4.7.')
 692     else
 693       warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
 694       slirp = not_found
 695     endif
 696   endif
 697 endif
 698
 699 vde = not_found
 700 if not get_option('vde').auto() or have_system or have_tools
 701   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 702                            required: get_option('vde'),
 703                            kwargs: static_kwargs)
 704 endif
 705 if vde.found() and not cc.links('''
 706    #include <libvdeplug.h>
 707    int main(void)
 708    {
 709      struct vde_open_args a = {0, 0, 0};
 710      char s[] = "";
 711      vde_open(s, s, &a);
 712      return 0;
 713    }''', dependencies: vde)
 714   vde = not_found
 715   if get_option('cap_ng').enabled()
 716     error('could not link libvdeplug')
 717   else
 718     warning('could not link libvdeplug, disabling')
 719   endif
 720 endif
 721
 722 pulse = not_found
 723 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 724   pulse = dependency('libpulse', required: get_option('pa'),
 725                      method: 'pkg-config', kwargs: static_kwargs)
 726 endif
 727 alsa = not_found
 728 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 729   alsa = dependency('alsa', required: get_option('alsa'),
 730                     method: 'pkg-config', kwargs: static_kwargs)
 731 endif
 732 jack = not_found
 733 if not get_option('jack').auto() or have_system
 734   jack = dependency('jack', required: get_option('jack'),
 735                     method: 'pkg-config', kwargs: static_kwargs)
 736 endif
 737 sndio = not_found
 738 if not get_option('sndio').auto() or have_system
 739   sndio = dependency('sndio', required: get_option('sndio'),
 740                     method: 'pkg-config', kwargs: static_kwargs)
 741 endif
 742
 743 spice_protocol = not_found
 744 if not get_option('spice_protocol').auto() or have_system
 745   spice_protocol = dependency('spice-protocol', version: '>=0.14.0',
 746                               required: get_option('spice_protocol'),
 747                               method: 'pkg-config', kwargs: static_kwargs)
 748 endif
 749 spice = not_found
 750 if not get_option('spice').auto() or have_system
 751   spice = dependency('spice-server', version: '>=0.14.0',
 752                      required: get_option('spice'),
 753                      method: 'pkg-config', kwargs: static_kwargs)
 754 endif
 755 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 756
 757 rt = cc.find_library('rt', required: false)
 758
 759 libiscsi = not_found
 760 if not get_option('libiscsi').auto() or have_block
 761   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 762                          required: get_option('libiscsi'),
 763                          method: 'pkg-config', kwargs: static_kwargs)
 764 endif
 765 zstd = not_found
 766 if not get_option('zstd').auto() or have_block
 767   zstd = dependency('libzstd', version: '>=1.4.0',
 768                     required: get_option('zstd'),
 769                     method: 'pkg-config', kwargs: static_kwargs)
 770 endif
 771 virgl = not_found
 772
 773 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 774 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 775   virgl = dependency('virglrenderer',
 776                      method: 'pkg-config',
 777                      required: get_option('virglrenderer'),
 778                      kwargs: static_kwargs)
 779 endif
 780 blkio = not_found
 781 if not get_option('blkio').auto() or have_block
 782   blkio = dependency('blkio',
 783                      method: 'pkg-config',
 784                      required: get_option('blkio'),
 785                      kwargs: static_kwargs)
 786 endif
 787 curl = not_found
 788 if not get_option('curl').auto() or have_block
 789   curl = dependency('libcurl', version: '>=7.29.0',
 790                     method: 'pkg-config',
 791                     required: get_option('curl'),
 792                     kwargs: static_kwargs)
 793 endif
 794 libudev = not_found
 795 if targetos == 'linux' and (have_system or have_tools)
 796   libudev = dependency('libudev',
 797                        method: 'pkg-config',
 798                        required: get_option('libudev'),
 799                        kwargs: static_kwargs)
 800 endif
 801
 802 mpathlibs = [libudev]
 803 mpathpersist = not_found
 804 mpathpersist_new_api = false
 805 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 806   mpath_test_source_new = '''
 807     #include <libudev.h>
 808     #include <mpath_persist.h>
 809     unsigned mpath_mx_alloc_len = 1024;
 810     int logsink;
 811     static struct config *multipath_conf;
 812     extern struct udev *udev;
 813     extern struct config *get_multipath_config(void);
 814     extern void put_multipath_config(struct config *conf);
 815     struct udev *udev;
 816     struct config *get_multipath_config(void) { return multipath_conf; }
 817     void put_multipath_config(struct config *conf) { }
 818     int main(void) {
 819         udev = udev_new();
 820         multipath_conf = mpath_lib_init();
 821         return 0;
 822     }'''
 823   mpath_test_source_old = '''
 824       #include <libudev.h>
 825       #include <mpath_persist.h>
 826       unsigned mpath_mx_alloc_len = 1024;
 827       int logsink;
 828       int main(void) {
 829           struct udev *udev = udev_new();
 830           mpath_lib_init(udev);
 831           return 0;
 832       }'''
 833   libmpathpersist = cc.find_library('mpathpersist',
 834                                     required: get_option('mpath'),
 835                                     kwargs: static_kwargs)
 836   if libmpathpersist.found()
 837     mpathlibs += libmpathpersist
 838     if enable_static
 839       mpathlibs += cc.find_library('devmapper',
 840                                      required: get_option('mpath'),
 841                                      kwargs: static_kwargs)
 842     endif
 843     mpathlibs += cc.find_library('multipath',
 844                                  required: get_option('mpath'),
 845                                  kwargs: static_kwargs)
 846     foreach lib: mpathlibs
 847       if not lib.found()
 848         mpathlibs = []
 849         break
 850       endif
 851     endforeach
 852     if mpathlibs.length() == 0
 853       msg = 'Dependencies missing for libmpathpersist'
 854     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 855       mpathpersist = declare_dependency(dependencies: mpathlibs)
 856       mpathpersist_new_api = true
 857     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 858       mpathpersist = declare_dependency(dependencies: mpathlibs)
 859     else
 860       msg = 'Cannot detect libmpathpersist API'
 861     endif
 862     if not mpathpersist.found()
 863       if get_option('mpath').enabled()
 864         error(msg)
 865       else
 866         warning(msg + ', disabling')
 867       endif
 868     endif
 869   endif
 870 endif
 871
 872 iconv = not_found
 873 curses = not_found
 874 if have_system and get_option('curses').allowed()
 875   curses_test = '''
 876     #if defined(__APPLE__) || defined(__OpenBSD__)
 877     #define _XOPEN_SOURCE_EXTENDED 1
 878     #endif
 879     #include <locale.h>
 880     #include <curses.h>
 881     #include <wchar.h>
 882     int main(void) {
 883       wchar_t wch = L'w';
 884       setlocale(LC_ALL, "");
 885       resize_term(0, 0);
 886       addwstr(L"wide chars\n");
 887       addnwstr(&wch, 1);
 888       add_wch(WACS_DEGREE);
 889       return 0;
 890     }'''
 891
 892   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 893   curses = dependency(curses_dep_list,
 894                       required: false,
 895                       method: 'pkg-config',
 896                       kwargs: static_kwargs)
 897   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 898   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 899   if curses.found()
 900     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 901       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 902     else
 903       msg = 'curses package not usable'
 904       curses = not_found
 905     endif
 906   endif
 907   if not curses.found()
 908     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 909     if targetos != 'windows' and not has_curses_h
 910       message('Trying with /usr/include/ncursesw')
 911       curses_compile_args += ['-I/usr/include/ncursesw']
 912       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 913     endif
 914     if has_curses_h
 915       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 916       foreach curses_libname : curses_libname_list
 917         libcurses = cc.find_library(curses_libname,
 918                                     required: false,
 919                                     kwargs: static_kwargs)
 920         if libcurses.found()
 921           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 922             curses = declare_dependency(compile_args: curses_compile_args,
 923                                         dependencies: [libcurses])
 924             break
 925           else
 926             msg = 'curses library not usable'
 927           endif
 928         endif
 929       endforeach
 930     endif
 931   endif
 932   if get_option('iconv').allowed()
 933     foreach link_args : [ ['-liconv'], [] ]
 934       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 935       # We need to use libiconv if available because mixing libiconv's headers with
 936       # the system libc does not work.
 937       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 938       # included in the command line and libiconv will not be found.
 939       if cc.links('''
 940         #include <iconv.h>
 941         int main(void) {
 942           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 943           return conv != (iconv_t) -1;
 944         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 945         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 946         break
 947       endif
 948     endforeach
 949   endif
 950   if curses.found() and not iconv.found()
 951     if get_option('iconv').enabled()
 952       error('iconv not available')
 953     endif
 954     msg = 'iconv required for curses UI but not available'
 955     curses = not_found
 956   endif
 957   if not curses.found() and msg != ''
 958     if get_option('curses').enabled()
 959       error(msg)
 960     else
 961       warning(msg + ', disabling')
 962     endif
 963   endif
 964 endif
 965
 966 brlapi = not_found
 967 if not get_option('brlapi').auto() or have_system
 968   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 969                          required: get_option('brlapi'),
 970                          kwargs: static_kwargs)
 971   if brlapi.found() and not cc.links('''
 972      #include <brlapi.h>
 973      #include <stddef.h>
 974      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 975     brlapi = not_found
 976     if get_option('brlapi').enabled()
 977       error('could not link brlapi')
 978     else
 979       warning('could not link brlapi, disabling')
 980     endif
 981   endif
 982 endif
 983
 984 sdl = not_found
 985 if not get_option('sdl').auto() or have_system
 986   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 987   sdl_image = not_found
 988 endif
 989 if sdl.found()
 990   # work around 2.0.8 bug
 991   sdl = declare_dependency(compile_args: '-Wno-undef',
 992                            dependencies: sdl)
 993   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 994                          method: 'pkg-config', kwargs: static_kwargs)
 995 else
 996   if get_option('sdl_image').enabled()
 997     error('sdl-image required, but SDL was @0@'.format(
 998           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 999   endif
1000   sdl_image = not_found
1001 endif
1002
1003 rbd = not_found
1004 if not get_option('rbd').auto() or have_block
1005   librados = cc.find_library('rados', required: get_option('rbd'),
1006                              kwargs: static_kwargs)
1007   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008                            required: get_option('rbd'),
1009                            kwargs: static_kwargs)
1010   if librados.found() and librbd.found()
1011     if cc.links('''
1012       #include <stdio.h>
1013       #include <rbd/librbd.h>
1014       int main(void) {
1015         rados_t cluster;
1016         rados_create(&cluster, NULL);
1017         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1018         #error
1019         #endif
1020         return 0;
1021       }''', dependencies: [librbd, librados])
1022       rbd = declare_dependency(dependencies: [librbd, librados])
1023     elif get_option('rbd').enabled()
1024       error('librbd >= 1.12.0 required')
1025     else
1026       warning('librbd >= 1.12.0 not found, disabling')
1027     endif
1028   endif
1029 endif
1030
1031 glusterfs = not_found
1032 glusterfs_ftruncate_has_stat = false
1033 glusterfs_iocb_has_stat = false
1034 if not get_option('glusterfs').auto() or have_block
1035   glusterfs = dependency('glusterfs-api', version: '>=3',
1036                          required: get_option('glusterfs'),
1037                          method: 'pkg-config', kwargs: static_kwargs)
1038   if glusterfs.found()
1039     glusterfs_ftruncate_has_stat = cc.links('''
1040       #include <glusterfs/api/glfs.h>
1041
1042       int
1043       main(void)
1044       {
1045           /* new glfs_ftruncate() passes two additional args */
1046           return glfs_ftruncate(NULL, 0, NULL, NULL);
1047       }
1048     ''', dependencies: glusterfs)
1049     glusterfs_iocb_has_stat = cc.links('''
1050       #include <glusterfs/api/glfs.h>
1051
1052       /* new glfs_io_cbk() passes two additional glfs_stat structs */
1053       static void
1054       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1055       {}
1056
1057       int
1058       main(void)
1059       {
1060           glfs_io_cbk iocb = &glusterfs_iocb;
1061           iocb(NULL, 0 , NULL, NULL, NULL);
1062           return 0;
1063       }
1064     ''', dependencies: glusterfs)
1065   endif
1066 endif
1067
1068 libssh = not_found
1069 if not get_option('libssh').auto() or have_block
1070   libssh = dependency('libssh', version: '>=0.8.7',
1071                     method: 'pkg-config',
1072                     required: get_option('libssh'),
1073                     kwargs: static_kwargs)
1074 endif
1075
1076 libbzip2 = not_found
1077 if not get_option('bzip2').auto() or have_block
1078   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079                              required: get_option('bzip2'),
1080                              kwargs: static_kwargs)
1081   if libbzip2.found() and not cc.links('''
1082      #include <bzlib.h>
1083      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084     libbzip2 = not_found
1085     if get_option('bzip2').enabled()
1086       error('could not link libbzip2')
1087     else
1088       warning('could not link libbzip2, disabling')
1089     endif
1090   endif
1091 endif
1092
1093 liblzfse = not_found
1094 if not get_option('lzfse').auto() or have_block
1095   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096                              required: get_option('lzfse'),
1097                              kwargs: static_kwargs)
1098 endif
1099 if liblzfse.found() and not cc.links('''
1100    #include <lzfse.h>
1101    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102   liblzfse = not_found
1103   if get_option('lzfse').enabled()
1104     error('could not link liblzfse')
1105   else
1106     warning('could not link liblzfse, disabling')
1107   endif
1108 endif
1109
1110 oss = not_found
1111 if get_option('oss').allowed() and have_system
1112   if not cc.has_header('sys/soundcard.h')
1113     # not found
1114   elif targetos == 'netbsd'
1115     oss = cc.find_library('ossaudio', required: get_option('oss'),
1116                           kwargs: static_kwargs)
1117   else
1118     oss = declare_dependency()
1119   endif
1120
1121   if not oss.found()
1122     if get_option('oss').enabled()
1123       error('OSS not found')
1124     endif
1125   endif
1126 endif
1127 dsound = not_found
1128 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129   if cc.has_header('dsound.h')
1130     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131   endif
1132
1133   if not dsound.found()
1134     if get_option('dsound').enabled()
1135       error('DirectSound not found')
1136     endif
1137   endif
1138 endif
1139
1140 coreaudio = not_found
1141 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143                          required: get_option('coreaudio'))
1144 endif
1145
1146 opengl = not_found
1147 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148   epoxy = dependency('epoxy', method: 'pkg-config',
1149                       required: get_option('opengl'), kwargs: static_kwargs)
1150   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1151     opengl = epoxy
1152   elif get_option('opengl').enabled()
1153     error('epoxy/egl.h not found')
1154   endif
1155 endif
1156 gbm = not_found
1157 if (have_system or have_tools) and (virgl.found() or opengl.found())
1158   gbm = dependency('gbm', method: 'pkg-config', required: false,
1159                    kwargs: static_kwargs)
1160 endif
1161 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162
1163 gnutls = not_found
1164 gnutls_crypto = not_found
1165 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166   # For general TLS support our min gnutls matches
1167   # that implied by our platform support matrix
1168   #
1169   # For the crypto backends, we look for a newer
1170   # gnutls:
1171   #
1172   #   Version 3.6.8  is needed to get XTS
1173   #   Version 3.6.13 is needed to get PBKDF
1174   #   Version 3.6.14 is needed to get HW accelerated XTS
1175   #
1176   # If newer enough gnutls isn't available, we can
1177   # still use a different crypto backend to satisfy
1178   # the platform support requirements
1179   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180                              method: 'pkg-config',
1181                              required: false,
1182                              kwargs: static_kwargs)
1183   if gnutls_crypto.found()
1184     gnutls = gnutls_crypto
1185   else
1186     # Our min version if all we need is TLS
1187     gnutls = dependency('gnutls', version: '>=3.5.18',
1188                         method: 'pkg-config',
1189                         required: get_option('gnutls'),
1190                         kwargs: static_kwargs)
1191   endif
1192 endif
1193
1194 # We prefer use of gnutls for crypto, unless the options
1195 # explicitly asked for nettle or gcrypt.
1196 #
1197 # If gnutls isn't available for crypto, then we'll prefer
1198 # gcrypt over nettle for performance reasons.
1199 gcrypt = not_found
1200 nettle = not_found
1201 hogweed = not_found
1202 xts = 'none'
1203
1204 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205   error('Only one of gcrypt & nettle can be enabled')
1206 endif
1207
1208 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210   gnutls_crypto = not_found
1211 endif
1212
1213 if not gnutls_crypto.found()
1214   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215     gcrypt = dependency('libgcrypt', version: '>=1.8',
1216                         method: 'config-tool',
1217                         required: get_option('gcrypt'),
1218                         kwargs: static_kwargs)
1219     # Debian has removed -lgpg-error from libgcrypt-config
1220     # as it "spreads unnecessary dependencies" which in
1221     # turn breaks static builds...
1222     if gcrypt.found() and enable_static
1223       gcrypt = declare_dependency(dependencies: [
1224         gcrypt,
1225         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226     endif
1227   endif
1228   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229     nettle = dependency('nettle', version: '>=3.4',
1230                         method: 'pkg-config',
1231                         required: get_option('nettle'),
1232                         kwargs: static_kwargs)
1233     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1234       xts = 'private'
1235     endif
1236   endif
1237 endif
1238
1239 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240 if nettle.found() and gmp.found()
1241   hogweed = dependency('hogweed', version: '>=3.4',
1242                        method: 'pkg-config',
1243                        required: get_option('nettle'),
1244                        kwargs: static_kwargs)
1245 endif
1246
1247
1248 gtk = not_found
1249 gtkx11 = not_found
1250 vte = not_found
1251 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1252
1253 if not get_option('gtk').auto() or have_system
1254   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255                    method: 'pkg-config',
1256                    required: get_option('gtk'),
1257                    kwargs: static_kwargs)
1258   if gtk.found()
1259     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260                         method: 'pkg-config',
1261                         required: false,
1262                         kwargs: static_kwargs)
1263     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1264
1265     if not get_option('vte').auto() or have_system
1266       vte = dependency('vte-2.91',
1267                        method: 'pkg-config',
1268                        required: get_option('vte'),
1269                        kwargs: static_kwargs)
1270     endif
1271   elif have_gtk_clipboard
1272     error('GTK clipboard requested, but GTK not found')
1273   endif
1274 endif
1275
1276 x11 = not_found
1277 if gtkx11.found()
1278   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279                    kwargs: static_kwargs)
1280 endif
1281 png = not_found
1282 if get_option('png').allowed() and have_system
1283    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284                     method: 'pkg-config', kwargs: static_kwargs)
1285 endif
1286 vnc = not_found
1287 jpeg = not_found
1288 sasl = not_found
1289 if get_option('vnc').allowed() and have_system
1290   vnc = declare_dependency() # dummy dependency
1291   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292                     method: 'pkg-config', kwargs: static_kwargs)
1293   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294                          required: get_option('vnc_sasl'),
1295                          kwargs: static_kwargs)
1296   if sasl.found()
1297     sasl = declare_dependency(dependencies: sasl,
1298                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299   endif
1300 endif
1301
1302 pam = not_found
1303 if not get_option('auth_pam').auto() or have_system
1304   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305                         required: get_option('auth_pam'),
1306                         kwargs: static_kwargs)
1307 endif
1308 if pam.found() and not cc.links('''
1309    #include <stddef.h>
1310    #include <security/pam_appl.h>
1311    int main(void) {
1312      const char *service_name = "qemu";
1313      const char *user = "frank";
1314      const struct pam_conv pam_conv = { 0 };
1315      pam_handle_t *pamh = NULL;
1316      pam_start(service_name, user, &pam_conv, &pamh);
1317      return 0;
1318    }''', dependencies: pam)
1319   pam = not_found
1320   if get_option('auth_pam').enabled()
1321     error('could not link libpam')
1322   else
1323     warning('could not link libpam, disabling')
1324   endif
1325 endif
1326
1327 snappy = not_found
1328 if not get_option('snappy').auto() or have_system
1329   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330                            required: get_option('snappy'),
1331                            kwargs: static_kwargs)
1332 endif
1333 if snappy.found() and not linker.links('''
1334    #include <snappy-c.h>
1335    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1336   snappy = not_found
1337   if get_option('snappy').enabled()
1338     error('could not link libsnappy')
1339   else
1340     warning('could not link libsnappy, disabling')
1341   endif
1342 endif
1343
1344 lzo = not_found
1345 if not get_option('lzo').auto() or have_system
1346   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347                         required: get_option('lzo'),
1348                         kwargs: static_kwargs)
1349 endif
1350 if lzo.found() and not cc.links('''
1351    #include <lzo/lzo1x.h>
1352    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1353   lzo = not_found
1354   if get_option('lzo').enabled()
1355     error('could not link liblzo2')
1356   else
1357     warning('could not link liblzo2, disabling')
1358   endif
1359 endif
1360
1361 numa = not_found
1362 if not get_option('numa').auto() or have_system or have_tools
1363   numa = cc.find_library('numa', has_headers: ['numa.h'],
1364                               required: get_option('numa'),
1365                               kwargs: static_kwargs)
1366 endif
1367 if numa.found() and not cc.links('''
1368    #include <numa.h>
1369    int main(void) { return numa_available(); }
1370    ''', dependencies: numa)
1371   numa = not_found
1372   if get_option('numa').enabled()
1373     error('could not link numa')
1374   else
1375     warning('could not link numa, disabling')
1376   endif
1377 endif
1378
1379 rdma = not_found
1380 if not get_option('rdma').auto() or have_system
1381   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383                                required: get_option('rdma'),
1384                                kwargs: static_kwargs),
1385                cc.find_library('ibverbs', required: get_option('rdma'),
1386                                kwargs: static_kwargs),
1387                libumad]
1388   rdma = declare_dependency(dependencies: rdma_libs)
1389   foreach lib: rdma_libs
1390     if not lib.found()
1391       rdma = not_found
1392     endif
1393   endforeach
1394 endif
1395
1396 xen = not_found
1397 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398   xencontrol = dependency('xencontrol', required: false,
1399                           method: 'pkg-config', kwargs: static_kwargs)
1400   if xencontrol.found()
1401     xen_pc = declare_dependency(version: xencontrol.version(),
1402       dependencies: [
1403         xencontrol,
1404         # disabler: true makes xen_pc.found() return false if any is not found
1405         dependency('xenstore', required: false,
1406                    method: 'pkg-config', kwargs: static_kwargs,
1407                    disabler: true),
1408         dependency('xenforeignmemory', required: false,
1409                    method: 'pkg-config', kwargs: static_kwargs,
1410                    disabler: true),
1411         dependency('xengnttab', required: false,
1412                    method: 'pkg-config', kwargs: static_kwargs,
1413                    disabler: true),
1414         dependency('xenevtchn', required: false,
1415                    method: 'pkg-config', kwargs: static_kwargs,
1416                    disabler: true),
1417         dependency('xendevicemodel', required: false,
1418                    method: 'pkg-config', kwargs: static_kwargs,
1419                    disabler: true),
1420         # optional, no "disabler: true"
1421         dependency('xentoolcore', required: false,
1422                    method: 'pkg-config', kwargs: static_kwargs)])
1423     if xen_pc.found()
1424       xen = xen_pc
1425     endif
1426   endif
1427   if not xen.found()
1428     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' ]
1429     xen_libs = {
1430       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435       '4.6.0': [ 'xenstore', 'xenctrl' ],
1436       '4.5.0': [ 'xenstore', 'xenctrl' ],
1437       '4.2.0': [ 'xenstore', 'xenctrl' ],
1438     }
1439     xen_deps = {}
1440     foreach ver: xen_tests
1441       # cache the various library tests to avoid polluting the logs
1442       xen_test_deps = []
1443       foreach l: xen_libs[ver]
1444         if l not in xen_deps
1445           xen_deps += { l: cc.find_library(l, required: false) }
1446         endif
1447         xen_test_deps += xen_deps[l]
1448       endforeach
1449
1450       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451       xen_version = ver.split('.')
1452       xen_ctrl_version = xen_version[0] + \
1453         ('0' + xen_version[1]).substring(-2) + \
1454         ('0' + xen_version[2]).substring(-2)
1455       if cc.links(files('scripts/xen-detect.c'),
1456                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457                   dependencies: xen_test_deps)
1458         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1459         break
1460       endif
1461     endforeach
1462   endif
1463   if xen.found()
1464     accelerators += 'CONFIG_XEN'
1465   elif get_option('xen').enabled()
1466     error('could not compile and link Xen test program')
1467   endif
1468 endif
1469 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470   .require(xen.found(),
1471            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472   .require(targetos == 'linux',
1473            error_message: 'Xen PCI passthrough not available on this platform') \
1474   .allowed()
1475
1476
1477 cacard = not_found
1478 if not get_option('smartcard').auto() or have_system
1479   cacard = dependency('libcacard', required: get_option('smartcard'),
1480                       version: '>=2.5.1', method: 'pkg-config',
1481                       kwargs: static_kwargs)
1482 endif
1483 u2f = not_found
1484 if have_system
1485   u2f = dependency('u2f-emu', required: get_option('u2f'),
1486                    method: 'pkg-config',
1487                    kwargs: static_kwargs)
1488 endif
1489 canokey = not_found
1490 if have_system
1491   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492                    method: 'pkg-config',
1493                    kwargs: static_kwargs)
1494 endif
1495 usbredir = not_found
1496 if not get_option('usb_redir').auto() or have_system
1497   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498                         version: '>=0.6', method: 'pkg-config',
1499                         kwargs: static_kwargs)
1500 endif
1501 libusb = not_found
1502 if not get_option('libusb').auto() or have_system
1503   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504                       version: '>=1.0.13', method: 'pkg-config',
1505                       kwargs: static_kwargs)
1506 endif
1507
1508 libpmem = not_found
1509 if not get_option('libpmem').auto() or have_system
1510   libpmem = dependency('libpmem', required: get_option('libpmem'),
1511                        method: 'pkg-config', kwargs: static_kwargs)
1512 endif
1513 libdaxctl = not_found
1514 if not get_option('libdaxctl').auto() or have_system
1515   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516                          version: '>=57', method: 'pkg-config',
1517                          kwargs: static_kwargs)
1518 endif
1519 tasn1 = not_found
1520 if gnutls.found()
1521   tasn1 = dependency('libtasn1',
1522                      method: 'pkg-config',
1523                      kwargs: static_kwargs)
1524 endif
1525 keyutils = dependency('libkeyutils', required: false,
1526                       method: 'pkg-config', kwargs: static_kwargs)
1527
1528 has_gettid = cc.has_function('gettid')
1529
1530 # libselinux
1531 selinux = dependency('libselinux',
1532                      required: get_option('selinux'),
1533                      method: 'pkg-config', kwargs: static_kwargs)
1534
1535 # Malloc tests
1536
1537 malloc = []
1538 if get_option('malloc') == 'system'
1539   has_malloc_trim = \
1540     get_option('malloc_trim').allowed() and \
1541     cc.links('''#include <malloc.h>
1542                 int main(void) { malloc_trim(0); return 0; }''')
1543 else
1544   has_malloc_trim = false
1545   malloc = cc.find_library(get_option('malloc'), required: true)
1546 endif
1547 if not has_malloc_trim and get_option('malloc_trim').enabled()
1548   if get_option('malloc') == 'system'
1549     error('malloc_trim not available on this platform.')
1550   else
1551     error('malloc_trim not available with non-libc memory allocator')
1552   endif
1553 endif
1554
1555 # Check whether the glibc provides statx()
1556
1557 gnu_source_prefix = '''
1558   #ifndef _GNU_SOURCE
1559   #define _GNU_SOURCE
1560   #endif
1561 '''
1562 statx_test = gnu_source_prefix + '''
1563   #include <sys/stat.h>
1564   int main(void) {
1565     struct statx statxbuf;
1566     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1567     return 0;
1568   }'''
1569
1570 has_statx = cc.links(statx_test)
1571
1572 # Check whether statx() provides mount ID information
1573
1574 statx_mnt_id_test = gnu_source_prefix + '''
1575   #include <sys/stat.h>
1576   int main(void) {
1577     struct statx statxbuf;
1578     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579     return statxbuf.stx_mnt_id;
1580   }'''
1581
1582 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1583
1584 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585   .require(targetos == 'linux',
1586            error_message: 'vhost_user_blk_server requires linux') \
1587   .require(have_vhost_user,
1588            error_message: 'vhost_user_blk_server requires vhost-user support') \
1589   .disable_auto_if(not have_tools and not have_system) \
1590   .allowed()
1591
1592 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593   error('Cannot enable fuse-lseek while fuse is disabled')
1594 endif
1595
1596 fuse = dependency('fuse3', required: get_option('fuse'),
1597                   version: '>=3.1', method: 'pkg-config',
1598                   kwargs: static_kwargs)
1599
1600 fuse_lseek = not_found
1601 if get_option('fuse_lseek').allowed()
1602   if fuse.version().version_compare('>=3.8')
1603     # Dummy dependency
1604     fuse_lseek = declare_dependency()
1605   elif get_option('fuse_lseek').enabled()
1606     if fuse.found()
1607       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1608     else
1609       error('fuse-lseek requires libfuse, which was not found')
1610     endif
1611   endif
1612 endif
1613
1614 have_libvduse = (targetos == 'linux')
1615 if get_option('libvduse').enabled()
1616     if targetos != 'linux'
1617         error('libvduse requires linux')
1618     endif
1619 elif get_option('libvduse').disabled()
1620     have_libvduse = false
1621 endif
1622
1623 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624 if get_option('vduse_blk_export').enabled()
1625     if targetos != 'linux'
1626         error('vduse_blk_export requires linux')
1627     elif not have_libvduse
1628         error('vduse_blk_export requires libvduse support')
1629     endif
1630 elif get_option('vduse_blk_export').disabled()
1631     have_vduse_blk_export = false
1632 endif
1633
1634 # libbpf
1635 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636 if libbpf.found() and not cc.links('''
1637    #include <bpf/libbpf.h>
1638    int main(void)
1639    {
1640      bpf_object__destroy_skeleton(NULL);
1641      return 0;
1642    }''', dependencies: libbpf)
1643   libbpf = not_found
1644   if get_option('bpf').enabled()
1645     error('libbpf skeleton test failed')
1646   else
1647     warning('libbpf skeleton test failed, disabling')
1648   endif
1649 endif
1650
1651 # libdw
1652 libdw = not_found
1653 if not get_option('libdw').auto() or \
1654         (not enable_static and (have_system or have_user))
1655     libdw = dependency('libdw',
1656                        method: 'pkg-config',
1657                        kwargs: static_kwargs,
1658                        required: get_option('libdw'))
1659 endif
1660
1661 #################
1662 # config-host.h #
1663 #################
1664
1665 audio_drivers_selected = []
1666 if have_system
1667   audio_drivers_available = {
1668     'alsa': alsa.found(),
1669     'coreaudio': coreaudio.found(),
1670     'dsound': dsound.found(),
1671     'jack': jack.found(),
1672     'oss': oss.found(),
1673     'pa': pulse.found(),
1674     'sdl': sdl.found(),
1675     'sndio': sndio.found(),
1676   }
1677   foreach k, v: audio_drivers_available
1678     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1679   endforeach
1680
1681   # Default to native drivers first, OSS second, SDL third
1682   audio_drivers_priority = \
1683     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1684     (targetos == 'linux' ? [] : [ 'sdl' ])
1685   audio_drivers_default = []
1686   foreach k: audio_drivers_priority
1687     if audio_drivers_available[k]
1688       audio_drivers_default += k
1689     endif
1690   endforeach
1691
1692   foreach k: get_option('audio_drv_list')
1693     if k == 'default'
1694       audio_drivers_selected += audio_drivers_default
1695     elif not audio_drivers_available[k]
1696       error('Audio driver "@0@" not available.'.format(k))
1697     else
1698       audio_drivers_selected += k
1699     endif
1700   endforeach
1701 endif
1702 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1703                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1704
1705 if get_option('cfi')
1706   cfi_flags=[]
1707   # Check for dependency on LTO
1708   if not get_option('b_lto')
1709     error('Selected Control-Flow Integrity but LTO is disabled')
1710   endif
1711   if config_host.has_key('CONFIG_MODULES')
1712     error('Selected Control-Flow Integrity is not compatible with modules')
1713   endif
1714   # Check for cfi flags. CFI requires LTO so we can't use
1715   # get_supported_arguments, but need a more complex "compiles" which allows
1716   # custom arguments
1717   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1718                  args: ['-flto', '-fsanitize=cfi-icall'] )
1719     cfi_flags += '-fsanitize=cfi-icall'
1720   else
1721     error('-fsanitize=cfi-icall is not supported by the compiler')
1722   endif
1723   if cc.compiles('int main () { return 0; }',
1724                  name: '-fsanitize-cfi-icall-generalize-pointers',
1725                  args: ['-flto', '-fsanitize=cfi-icall',
1726                         '-fsanitize-cfi-icall-generalize-pointers'] )
1727     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1728   else
1729     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1730   endif
1731   if get_option('cfi_debug')
1732     if cc.compiles('int main () { return 0; }',
1733                    name: '-fno-sanitize-trap=cfi-icall',
1734                    args: ['-flto', '-fsanitize=cfi-icall',
1735                           '-fno-sanitize-trap=cfi-icall'] )
1736       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1737     else
1738       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1739     endif
1740   endif
1741   add_global_arguments(cfi_flags, native: false, language: all_languages)
1742   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1743 endif
1744
1745 have_host_block_device = (targetos != 'darwin' or
1746     cc.has_header('IOKit/storage/IOMedia.h'))
1747
1748 dbus_display = get_option('dbus_display') \
1749   .require(gio.version().version_compare('>=2.64'),
1750            error_message: '-display dbus requires glib>=2.64') \
1751   .require(gdbus_codegen.found(),
1752            error_message: gdbus_codegen_error.format('-display dbus')) \
1753   .require(targetos != 'windows',
1754            error_message: '-display dbus is not available on Windows') \
1755   .allowed()
1756
1757 have_virtfs = get_option('virtfs') \
1758     .require(targetos == 'linux' or targetos == 'darwin',
1759              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1760     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1761              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1762     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1763              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1764     .disable_auto_if(not have_tools and not have_system) \
1765     .allowed()
1766
1767 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1768
1769 if get_option('block_drv_ro_whitelist') == ''
1770   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1771 else
1772   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1773         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1774 endif
1775 if get_option('block_drv_rw_whitelist') == ''
1776   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1777 else
1778   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1779         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1780 endif
1781
1782 foreach k : get_option('trace_backends')
1783   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1784 endforeach
1785 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1786 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1787 if iasl.found()
1788   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1789 endif
1790 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1791 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1792 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1793 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1794 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1795
1796 qemu_firmwarepath = ''
1797 foreach k : get_option('qemu_firmwarepath')
1798   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1799 endforeach
1800 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1801
1802 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1803 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1804 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1805 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1806 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1807 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1808
1809 if config_host.has_key('CONFIG_MODULES')
1810   config_host_data.set('CONFIG_STAMP', run_command(
1811       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1812       meson.project_version(), get_option('pkgversion'), '--',
1813       meson.current_source_dir() / 'configure',
1814       capture: true, check: true).stdout().strip())
1815 endif
1816
1817 have_slirp_smbd = get_option('slirp_smbd') \
1818   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1819   .allowed()
1820 if have_slirp_smbd
1821   smbd_path = get_option('smbd')
1822   if smbd_path == ''
1823     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1824   endif
1825   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1826 endif
1827
1828 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1829
1830 if get_option('module_upgrades') and not enable_modules
1831   error('Cannot enable module-upgrades as modules are not enabled')
1832 endif
1833 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1834
1835 config_host_data.set('CONFIG_ATTR', libattr.found())
1836 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1837 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1838 config_host_data.set('CONFIG_COCOA', cocoa.found())
1839 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1840 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1841 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1842 config_host_data.set('CONFIG_LZO', lzo.found())
1843 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1844 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1845 config_host_data.set('CONFIG_BLKIO', blkio.found())
1846 config_host_data.set('CONFIG_CURL', curl.found())
1847 config_host_data.set('CONFIG_CURSES', curses.found())
1848 config_host_data.set('CONFIG_GBM', gbm.found())
1849 config_host_data.set('CONFIG_GIO', gio.found())
1850 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1851 if glusterfs.found()
1852   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1853   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1854   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1855   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1856   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1857   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1858 endif
1859 config_host_data.set('CONFIG_GTK', gtk.found())
1860 config_host_data.set('CONFIG_VTE', vte.found())
1861 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1862 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1863 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1864 config_host_data.set('CONFIG_EBPF', libbpf.found())
1865 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1866 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1867 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1868 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1869 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1870 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1871 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1872 config_host_data.set('CONFIG_NUMA', numa.found())
1873 if numa.found()
1874   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1875                        cc.has_function('numa_has_preferred_many',
1876                                        dependencies: numa))
1877 endif
1878 config_host_data.set('CONFIG_OPENGL', opengl.found())
1879 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1880 config_host_data.set('CONFIG_RBD', rbd.found())
1881 config_host_data.set('CONFIG_RDMA', rdma.found())
1882 config_host_data.set('CONFIG_SDL', sdl.found())
1883 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1884 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1885 if seccomp.found()
1886   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1887 endif
1888 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1889 config_host_data.set('CONFIG_TPM', have_tpm)
1890 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1891 config_host_data.set('CONFIG_VDE', vde.found())
1892 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1893 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1894 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1895 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1896 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1897 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1898 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1899 config_host_data.set('CONFIG_VMNET', vmnet.found())
1900 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1901 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1902 config_host_data.set('CONFIG_PNG', png.found())
1903 config_host_data.set('CONFIG_VNC', vnc.found())
1904 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1905 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1906 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1907 config_host_data.set('CONFIG_VTE', vte.found())
1908 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1909 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1910 config_host_data.set('CONFIG_GETTID', has_gettid)
1911 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1912 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1913 config_host_data.set('CONFIG_TASN1', tasn1.found())
1914 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1915 config_host_data.set('CONFIG_NETTLE', nettle.found())
1916 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1917 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1918 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1919 config_host_data.set('CONFIG_STATX', has_statx)
1920 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1921 config_host_data.set('CONFIG_ZSTD', zstd.found())
1922 config_host_data.set('CONFIG_FUSE', fuse.found())
1923 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1925 if spice_protocol.found()
1926 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1927 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1928 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1929 endif
1930 config_host_data.set('CONFIG_SPICE', spice.found())
1931 config_host_data.set('CONFIG_X11', x11.found())
1932 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1933 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1934 config_host_data.set('CONFIG_SELINUX', selinux.found())
1935 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1936 config_host_data.set('CONFIG_LIBDW', libdw.found())
1937 if xen.found()
1938   # protect from xen.version() having less than three components
1939   xen_version = xen.version().split('.') + ['0', '0']
1940   xen_ctrl_version = xen_version[0] + \
1941     ('0' + xen_version[1]).substring(-2) + \
1942     ('0' + xen_version[2]).substring(-2)
1943   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1944 endif
1945 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1946 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1947 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1948 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1949
1950 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1951 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1952
1953 have_coroutine_pool = get_option('coroutine_pool')
1954 if get_option('debug_stack_usage') and have_coroutine_pool
1955   message('Disabling coroutine pool to measure stack usage')
1956   have_coroutine_pool = false
1957 endif
1958 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1959 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1960 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1961 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1962 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1963 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1964 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1965
1966 # has_header
1967 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1968 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1969 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1970 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1971 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1972 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1973 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1974 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1975 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1976 if targetos == 'windows'
1977   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1978 endif
1979
1980 # has_function
1981 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1982 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1983 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1984 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1985 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1986 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1987 # Note that we need to specify prefix: here to avoid incorrectly
1988 # thinking that Windows has posix_memalign()
1989 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1990 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1991 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1992 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1993 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1994 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1995 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1996 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1997 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1998 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1999 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2000 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2001 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2002 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2003 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2004 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2005 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2006 if rbd.found()
2007   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2008                        cc.has_function('rbd_namespace_exists',
2009                                        dependencies: rbd,
2010                                        prefix: '#include <rbd/librbd.h>'))
2011 endif
2012 if rdma.found()
2013   config_host_data.set('HAVE_IBV_ADVISE_MR',
2014                        cc.has_function('ibv_advise_mr',
2015                                        dependencies: rdma,
2016                                        prefix: '#include <infiniband/verbs.h>'))
2017 endif
2018
2019 # has_header_symbol
2020 config_host_data.set('CONFIG_EPOLL_CREATE1',
2021                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2022 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2023                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2024                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2025 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2026                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2027 config_host_data.set('CONFIG_FIEMAP',
2028                      cc.has_header('linux/fiemap.h') and
2029                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2030 config_host_data.set('CONFIG_GETRANDOM',
2031                      cc.has_function('getrandom') and
2032                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2033 config_host_data.set('CONFIG_INOTIFY',
2034                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2035 config_host_data.set('CONFIG_INOTIFY1',
2036                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2037 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2038                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2039 config_host_data.set('CONFIG_RTNETLINK',
2040                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2041 config_host_data.set('CONFIG_SYSMACROS',
2042                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2043 config_host_data.set('HAVE_OPTRESET',
2044                      cc.has_header_symbol('getopt.h', 'optreset'))
2045 config_host_data.set('HAVE_IPPROTO_MPTCP',
2046                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2047
2048 # has_member
2049 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2050                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2051                                    prefix: '#include <signal.h>'))
2052 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2053                      cc.has_member('struct stat', 'st_atim',
2054                                    prefix: '#include <sys/stat.h>'))
2055
2056 # has_type
2057 config_host_data.set('CONFIG_IOVEC',
2058                      cc.has_type('struct iovec',
2059                                  prefix: '#include <sys/uio.h>'))
2060 config_host_data.set('HAVE_UTMPX',
2061                      cc.has_type('struct utmpx',
2062                                  prefix: '#include <utmpx.h>'))
2063
2064 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2065   #include <sys/eventfd.h>
2066   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2067 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2068   #include <unistd.h>
2069   int main(void) {
2070   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2071   return fdatasync(0);
2072   #else
2073   #error Not supported
2074   #endif
2075   }'''))
2076
2077 has_madvise = cc.links(gnu_source_prefix + '''
2078   #include <sys/types.h>
2079   #include <sys/mman.h>
2080   #include <stddef.h>
2081   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2082 missing_madvise_proto = false
2083 if has_madvise
2084   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2085   # but forget to prototype it. In this case, has_madvise will be true (the
2086   # test program links despite a compile warning). To detect the
2087   # missing-prototype case, we try again with a definitely-bogus prototype.
2088   # This will only compile if the system headers don't provide the prototype;
2089   # otherwise the conflicting prototypes will cause a compiler error.
2090   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2091     #include <sys/types.h>
2092     #include <sys/mman.h>
2093     #include <stddef.h>
2094     extern int madvise(int);
2095     int main(void) { return madvise(0); }''')
2096 endif
2097 config_host_data.set('CONFIG_MADVISE', has_madvise)
2098 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2099
2100 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2101   #include <sys/mman.h>
2102   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2103 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2104   #include <fcntl.h>
2105   #if !defined(AT_EMPTY_PATH)
2106   # error missing definition
2107   #else
2108   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2109   #endif'''))
2110 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2111   #include <sys/mman.h>
2112   #include <stddef.h>
2113   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2114
2115 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2116   #include <pthread.h>
2117
2118   static void *f(void *p) { return NULL; }
2119   int main(void)
2120   {
2121     pthread_t thread;
2122     pthread_create(&thread, 0, f, 0);
2123     pthread_setname_np(thread, "QEMU");
2124     return 0;
2125   }''', dependencies: threads))
2126 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2127   #include <pthread.h>
2128
2129   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2130   int main(void)
2131   {
2132     pthread_t thread;
2133     pthread_create(&thread, 0, f, 0);
2134     return 0;
2135   }''', dependencies: threads))
2136 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2137   #include <pthread.h>
2138   #include <pthread_np.h>
2139
2140   static void *f(void *p) { return NULL; }
2141   int main(void)
2142   {
2143     pthread_t thread;
2144     pthread_create(&thread, 0, f, 0);
2145     pthread_set_name_np(thread, "QEMU");
2146     return 0;
2147   }''', dependencies: threads))
2148 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2149   #include <pthread.h>
2150   #include <time.h>
2151
2152   int main(void)
2153   {
2154     pthread_condattr_t attr
2155     pthread_condattr_init(&attr);
2156     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2157     return 0;
2158   }''', dependencies: threads))
2159 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2160   #include <pthread.h>
2161
2162   static void *f(void *p) { return NULL; }
2163   int main(void)
2164   {
2165     int setsize = CPU_ALLOC_SIZE(64);
2166     pthread_t thread;
2167     cpu_set_t *cpuset;
2168     pthread_create(&thread, 0, f, 0);
2169     cpuset = CPU_ALLOC(64);
2170     CPU_ZERO_S(setsize, cpuset);
2171     pthread_setaffinity_np(thread, setsize, cpuset);
2172     pthread_getaffinity_np(thread, setsize, cpuset);
2173     CPU_FREE(cpuset);
2174     return 0;
2175   }''', dependencies: threads))
2176 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2177   #include <sys/signalfd.h>
2178   #include <stddef.h>
2179   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2180 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2181   #include <unistd.h>
2182   #include <fcntl.h>
2183   #include <limits.h>
2184
2185   int main(void)
2186   {
2187     int len, fd = 0;
2188     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2189     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2190     return 0;
2191   }'''))
2192
2193 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2194   #include <sys/mman.h>
2195   int main(void) {
2196     return mlockall(MCL_FUTURE);
2197   }'''))
2198
2199 have_l2tpv3 = false
2200 if get_option('l2tpv3').allowed() and have_system
2201   have_l2tpv3 = cc.has_type('struct mmsghdr',
2202     prefix: gnu_source_prefix + '''
2203       #include <sys/socket.h>
2204       #include <linux/ip.h>''')
2205 endif
2206 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2207
2208 have_netmap = false
2209 if get_option('netmap').allowed() and have_system
2210   have_netmap = cc.compiles('''
2211     #include <inttypes.h>
2212     #include <net/if.h>
2213     #include <net/netmap.h>
2214     #include <net/netmap_user.h>
2215     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2216     #error
2217     #endif
2218     int main(void) { return 0; }''')
2219   if not have_netmap and get_option('netmap').enabled()
2220     error('Netmap headers not available')
2221   endif
2222 endif
2223 config_host_data.set('CONFIG_NETMAP', have_netmap)
2224
2225 # Work around a system header bug with some kernel/XFS header
2226 # versions where they both try to define 'struct fsxattr':
2227 # xfs headers will not try to redefine structs from linux headers
2228 # if this macro is set.
2229 config_host_data.set('HAVE_FSXATTR', cc.links('''
2230   #include <linux/fs.h>
2231   struct fsxattr foo;
2232   int main(void) {
2233     return 0;
2234   }'''))
2235
2236 # Some versions of Mac OS X incorrectly define SIZE_MAX
2237 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2238     #include <stdint.h>
2239     #include <stdio.h>
2240     int main(void) {
2241         return printf("%zu", SIZE_MAX);
2242     }''', args: ['-Werror']))
2243
2244 atomic_test = '''
2245   #include <stdint.h>
2246   int main(void)
2247   {
2248     @0@ x = 0, y = 0;
2249     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2250     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2251     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2252     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2253     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2254     return 0;
2255   }'''
2256
2257 # See if 64-bit atomic operations are supported.
2258 # Note that without __atomic builtins, we can only
2259 # assume atomic loads/stores max at pointer size.
2260 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2261
2262 has_int128 = cc.links('''
2263   __int128_t a;
2264   __uint128_t b;
2265   int main (void) {
2266     a = a + b;
2267     b = a * b;
2268     a = a * a;
2269     return 0;
2270   }''')
2271
2272 config_host_data.set('CONFIG_INT128', has_int128)
2273
2274 if has_int128
2275   # "do we have 128-bit atomics which are handled inline and specifically not
2276   # via libatomic". The reason we can't use libatomic is documented in the
2277   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2278   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2279
2280   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2281
2282   if not has_atomic128
2283     has_cmpxchg128 = cc.links('''
2284       int main(void)
2285       {
2286         unsigned __int128 x = 0, y = 0;
2287         __sync_val_compare_and_swap_16(&x, y, x);
2288         return 0;
2289       }
2290     ''')
2291
2292     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2293   endif
2294 endif
2295
2296 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2297   #include <sys/auxv.h>
2298   int main(void) {
2299     return getauxval(AT_HWCAP) == 0;
2300   }'''))
2301
2302 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2303   #include <linux/usbdevice_fs.h>
2304
2305   #ifndef USBDEVFS_GET_CAPABILITIES
2306   #error "USBDEVFS_GET_CAPABILITIES undefined"
2307   #endif
2308
2309   #ifndef USBDEVFS_DISCONNECT_CLAIM
2310   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2311   #endif
2312
2313   int main(void) { return 0; }'''))
2314
2315 have_keyring = get_option('keyring') \
2316   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2317   .require(cc.compiles('''
2318     #include <errno.h>
2319     #include <asm/unistd.h>
2320     #include <linux/keyctl.h>
2321     #include <sys/syscall.h>
2322     #include <unistd.h>
2323     int main(void) {
2324         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2325     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2326 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2327
2328 have_cpuid_h = cc.links('''
2329   #include <cpuid.h>
2330   int main(void) {
2331     unsigned a, b, c, d;
2332     unsigned max = __get_cpuid_max(0, 0);
2333
2334     if (max >= 1) {
2335         __cpuid(1, a, b, c, d);
2336     }
2337
2338     if (max >= 7) {
2339         __cpuid_count(7, 0, a, b, c, d);
2340     }
2341
2342     return 0;
2343   }''')
2344 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2345
2346 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2347   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2348   .require(cc.links('''
2349     #include <cpuid.h>
2350     #include <immintrin.h>
2351     static int __attribute__((target("avx2"))) bar(void *a) {
2352       __m256i x = *(__m256i *)a;
2353       return _mm256_testz_si256(x, x);
2354     }
2355     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2356   '''), error_message: 'AVX2 not available').allowed())
2357
2358 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2359   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2360   .require(cc.links('''
2361     #include <cpuid.h>
2362     #include <immintrin.h>
2363     static int __attribute__((target("avx512f"))) bar(void *a) {
2364       __m512i x = *(__m512i *)a;
2365       return _mm512_test_epi64_mask(x, x);
2366     }
2367     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2368   '''), error_message: 'AVX512F not available').allowed())
2369
2370 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2371   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2372   .require(cc.links('''
2373     #pragma GCC push_options
2374     #pragma GCC target("avx512bw")
2375     #include <cpuid.h>
2376     #include <immintrin.h>
2377     static int bar(void *a) {
2378
2379       __m512i *x = a;
2380       __m512i res= _mm512_abs_epi8(*x);
2381       return res[1];
2382     }
2383     int main(int argc, char *argv[]) { return bar(argv[0]); }
2384   '''), error_message: 'AVX512BW not available').allowed())
2385
2386 have_pvrdma = get_option('pvrdma') \
2387   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2388   .require(cc.compiles(gnu_source_prefix + '''
2389     #include <sys/mman.h>
2390     int main(void)
2391     {
2392       char buf = 0;
2393       void *addr = &buf;
2394       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2395
2396       return 0;
2397     }'''), error_message: 'PVRDMA requires mremap').allowed()
2398
2399 if have_pvrdma
2400   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2401     #include <infiniband/verbs.h>
2402     int main(void)
2403     {
2404       struct ibv_mr *mr;
2405       struct ibv_pd *pd = NULL;
2406       size_t length = 10;
2407       uint64_t iova = 0;
2408       int access = 0;
2409       void *addr = NULL;
2410
2411       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2412       ibv_dereg_mr(mr);
2413       return 0;
2414     }'''))
2415 endif
2416
2417 if get_option('membarrier').disabled()
2418   have_membarrier = false
2419 elif targetos == 'windows'
2420   have_membarrier = true
2421 elif targetos == 'linux'
2422   have_membarrier = cc.compiles('''
2423     #include <linux/membarrier.h>
2424     #include <sys/syscall.h>
2425     #include <unistd.h>
2426     #include <stdlib.h>
2427     int main(void) {
2428         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2429         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2430         exit(0);
2431     }''')
2432 endif
2433 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2434   .require(have_membarrier, error_message: 'membarrier system call not available') \
2435   .allowed())
2436
2437 have_afalg = get_option('crypto_afalg') \
2438   .require(cc.compiles(gnu_source_prefix + '''
2439     #include <errno.h>
2440     #include <sys/types.h>
2441     #include <sys/socket.h>
2442     #include <linux/if_alg.h>
2443     int main(void) {
2444       int sock;
2445       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2446       return sock;
2447     }
2448   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2449 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2450
2451 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2452   'linux/vm_sockets.h', 'AF_VSOCK',
2453   prefix: '#include <sys/socket.h>',
2454 ))
2455
2456 have_vss = false
2457 have_vss_sdk = false # old xp/2003 SDK
2458 if targetos == 'windows' and link_language == 'cpp'
2459   have_vss = cxx.compiles('''
2460     #define __MIDL_user_allocate_free_DEFINED__
2461     #include <vss.h>
2462     int main(void) { return VSS_CTX_BACKUP; }''')
2463   have_vss_sdk = cxx.has_header('vscoordint.h')
2464 endif
2465 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2466
2467 foreach k, v: config_host
2468   if k.startswith('CONFIG_')
2469     config_host_data.set(k, v == 'y' ? 1 : v)
2470   endif
2471 endforeach
2472
2473 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2474 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2475 if targetos == 'windows'
2476   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2477     #include <stdio.h>
2478     int main(void) {
2479       _lock_file(NULL);
2480       _unlock_file(NULL);
2481       return 0;
2482     }''', name: '_lock_file and _unlock_file'))
2483 endif
2484
2485 if targetos == 'windows'
2486   mingw_has_setjmp_longjmp = cc.links('''
2487     #include <setjmp.h>
2488     int main(void) {
2489       /*
2490        * These functions are not available in setjmp header, but may be
2491        * available at link time, from libmingwex.a.
2492        */
2493       extern int __mingw_setjmp(jmp_buf);
2494       extern void __attribute__((noreturn)) __mingw_longjmp(jmp_buf, int);
2495       jmp_buf env;
2496       __mingw_setjmp(env);
2497       __mingw_longjmp(env, 0);
2498     }
2499   ''', name: 'mingw setjmp and longjmp')
2500
2501   if cpu == 'aarch64' and not mingw_has_setjmp_longjmp
2502     error('mingw must provide setjmp/longjmp for windows-arm64')
2503   endif
2504 endif
2505
2506 ########################
2507 # Target configuration #
2508 ########################
2509
2510 minikconf = find_program('scripts/minikconf.py')
2511 config_all = {}
2512 config_all_devices = {}
2513 config_all_disas = {}
2514 config_devices_mak_list = []
2515 config_devices_h = {}
2516 config_target_h = {}
2517 config_target_mak = {}
2518
2519 disassemblers = {
2520   'alpha' : ['CONFIG_ALPHA_DIS'],
2521   'avr' : ['CONFIG_AVR_DIS'],
2522   'cris' : ['CONFIG_CRIS_DIS'],
2523   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2524   'hppa' : ['CONFIG_HPPA_DIS'],
2525   'i386' : ['CONFIG_I386_DIS'],
2526   'x86_64' : ['CONFIG_I386_DIS'],
2527   'm68k' : ['CONFIG_M68K_DIS'],
2528   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2529   'mips' : ['CONFIG_MIPS_DIS'],
2530   'nios2' : ['CONFIG_NIOS2_DIS'],
2531   'or1k' : ['CONFIG_OPENRISC_DIS'],
2532   'ppc' : ['CONFIG_PPC_DIS'],
2533   'riscv' : ['CONFIG_RISCV_DIS'],
2534   'rx' : ['CONFIG_RX_DIS'],
2535   's390' : ['CONFIG_S390_DIS'],
2536   'sh4' : ['CONFIG_SH4_DIS'],
2537   'sparc' : ['CONFIG_SPARC_DIS'],
2538   'xtensa' : ['CONFIG_XTENSA_DIS'],
2539   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2540 }
2541
2542 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2543 host_kconfig = \
2544   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2545   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2546   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2547   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2548   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2549   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2550   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2551   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2552   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2553   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2554   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2555   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2556   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2557   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2558
2559 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2560
2561 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2562 actual_target_dirs = []
2563 fdt_required = []
2564 foreach target : target_dirs
2565   config_target = { 'TARGET_NAME': target.split('-')[0] }
2566   if target.endswith('linux-user')
2567     if targetos != 'linux'
2568       if default_targets
2569         continue
2570       endif
2571       error('Target @0@ is only available on a Linux host'.format(target))
2572     endif
2573     config_target += { 'CONFIG_LINUX_USER': 'y' }
2574   elif target.endswith('bsd-user')
2575     if 'CONFIG_BSD' not in config_host
2576       if default_targets
2577         continue
2578       endif
2579       error('Target @0@ is only available on a BSD host'.format(target))
2580     endif
2581     config_target += { 'CONFIG_BSD_USER': 'y' }
2582   elif target.endswith('softmmu')
2583     config_target += { 'CONFIG_SOFTMMU': 'y' }
2584   endif
2585   if target.endswith('-user')
2586     config_target += {
2587       'CONFIG_USER_ONLY': 'y',
2588       'CONFIG_QEMU_INTERP_PREFIX':
2589         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2590     }
2591   endif
2592
2593   accel_kconfig = []
2594   foreach sym: accelerators
2595     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2596       config_target += { sym: 'y' }
2597       config_all += { sym: 'y' }
2598       if target in modular_tcg
2599         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2600       else
2601         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2602       endif
2603       accel_kconfig += [ sym + '=y' ]
2604     endif
2605   endforeach
2606   if accel_kconfig.length() == 0
2607     if default_targets
2608       continue
2609     endif
2610     error('No accelerator available for target @0@'.format(target))
2611   endif
2612
2613   actual_target_dirs += target
2614   config_target += keyval.load('configs/targets' / target + '.mak')
2615   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2616
2617   if 'TARGET_NEED_FDT' in config_target
2618     fdt_required += target
2619   endif
2620
2621   # Add default keys
2622   if 'TARGET_BASE_ARCH' not in config_target
2623     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2624   endif
2625   if 'TARGET_ABI_DIR' not in config_target
2626     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2627   endif
2628   if 'TARGET_BIG_ENDIAN' not in config_target
2629     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2630   endif
2631
2632   foreach k, v: disassemblers
2633     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2634       foreach sym: v
2635         config_target += { sym: 'y' }
2636         config_all_disas += { sym: 'y' }
2637       endforeach
2638     endif
2639   endforeach
2640
2641   config_target_data = configuration_data()
2642   foreach k, v: config_target
2643     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2644       # do nothing
2645     elif ignored.contains(k)
2646       # do nothing
2647     elif k == 'TARGET_BASE_ARCH'
2648       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2649       # not used to select files from sourcesets.
2650       config_target_data.set('TARGET_' + v.to_upper(), 1)
2651     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2652       config_target_data.set_quoted(k, v)
2653     elif v == 'y'
2654       config_target_data.set(k, 1)
2655     elif v == 'n'
2656       config_target_data.set(k, 0)
2657     else
2658       config_target_data.set(k, v)
2659     endif
2660   endforeach
2661   config_target_data.set('QEMU_ARCH',
2662                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2663   config_target_h += {target: configure_file(output: target + '-config-target.h',
2664                                                configuration: config_target_data)}
2665
2666   if target.endswith('-softmmu')
2667     config_input = meson.get_external_property(target, 'default')
2668     config_devices_mak = target + '-config-devices.mak'
2669     config_devices_mak = configure_file(
2670       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2671       output: config_devices_mak,
2672       depfile: config_devices_mak + '.d',
2673       capture: true,
2674       command: [minikconf,
2675                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2676                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2677                 host_kconfig, accel_kconfig,
2678                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2679
2680     config_devices_data = configuration_data()
2681     config_devices = keyval.load(config_devices_mak)
2682     foreach k, v: config_devices
2683       config_devices_data.set(k, 1)
2684     endforeach
2685     config_devices_mak_list += config_devices_mak
2686     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2687                                                 configuration: config_devices_data)}
2688     config_target += config_devices
2689     config_all_devices += config_devices
2690   endif
2691   config_target_mak += {target: config_target}
2692 endforeach
2693 target_dirs = actual_target_dirs
2694
2695 # This configuration is used to build files that are shared by
2696 # multiple binaries, and then extracted out of the "common"
2697 # static_library target.
2698 #
2699 # We do not use all_sources()/all_dependencies(), because it would
2700 # build literally all source files, including devices only used by
2701 # targets that are not built for this compilation.  The CONFIG_ALL
2702 # pseudo symbol replaces it.
2703
2704 config_all += config_all_devices
2705 config_all += config_host
2706 config_all += config_all_disas
2707 config_all += {
2708   'CONFIG_XEN': xen.found(),
2709   'CONFIG_SOFTMMU': have_system,
2710   'CONFIG_USER_ONLY': have_user,
2711   'CONFIG_ALL': true,
2712 }
2713
2714 target_configs_h = []
2715 foreach target: target_dirs
2716   target_configs_h += config_target_h[target]
2717   target_configs_h += config_devices_h.get(target, [])
2718 endforeach
2719 genh += custom_target('config-poison.h',
2720                       input: [target_configs_h],
2721                       output: 'config-poison.h',
2722                       capture: true,
2723                       command: [find_program('scripts/make-config-poison.sh'),
2724                                 target_configs_h])
2725
2726 ##############
2727 # Submodules #
2728 ##############
2729
2730 capstone = not_found
2731 if not get_option('capstone').auto() or have_system or have_user
2732   capstone = dependency('capstone', version: '>=3.0.5',
2733                         kwargs: static_kwargs, method: 'pkg-config',
2734                         required: get_option('capstone'))
2735
2736   # Some versions of capstone have broken pkg-config file
2737   # that reports a wrong -I path, causing the #include to
2738   # fail later. If the system has such a broken version
2739   # do not use it.
2740   if capstone.found() and not cc.compiles('#include <capstone.h>',
2741                                           dependencies: [capstone])
2742     capstone = not_found
2743     if get_option('capstone').enabled()
2744       error('capstone requested, but it does not appear to work')
2745     endif
2746   endif
2747 endif
2748
2749 libvfio_user_dep = not_found
2750 if have_system and vfio_user_server_allowed
2751   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2752
2753   if not have_internal
2754     error('libvfio-user source not found - please pull git submodule')
2755   endif
2756
2757   libvfio_user_proj = subproject('libvfio-user')
2758
2759   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2760
2761   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2762 endif
2763
2764 fdt = not_found
2765 if have_system
2766   fdt_opt = get_option('fdt')
2767   if fdt_opt in ['enabled', 'auto', 'system']
2768     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2769     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2770                           required: fdt_opt == 'system' or
2771                                     fdt_opt == 'enabled' and not have_internal)
2772     if fdt.found() and cc.links('''
2773        #include <libfdt.h>
2774        #include <libfdt_env.h>
2775        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2776          dependencies: fdt)
2777       fdt_opt = 'system'
2778     elif fdt_opt == 'system'
2779        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2780     elif have_internal
2781       fdt_opt = 'internal'
2782     else
2783       fdt_opt = 'disabled'
2784       fdt = not_found
2785     endif
2786   endif
2787   if fdt_opt == 'internal'
2788     fdt_files = files(
2789       'dtc/libfdt/fdt.c',
2790       'dtc/libfdt/fdt_ro.c',
2791       'dtc/libfdt/fdt_wip.c',
2792       'dtc/libfdt/fdt_sw.c',
2793       'dtc/libfdt/fdt_rw.c',
2794       'dtc/libfdt/fdt_strerror.c',
2795       'dtc/libfdt/fdt_empty_tree.c',
2796       'dtc/libfdt/fdt_addresses.c',
2797       'dtc/libfdt/fdt_overlay.c',
2798       'dtc/libfdt/fdt_check.c',
2799     )
2800
2801     fdt_inc = include_directories('dtc/libfdt')
2802     libfdt = static_library('fdt',
2803                             build_by_default: false,
2804                             sources: fdt_files,
2805                             include_directories: fdt_inc)
2806     fdt = declare_dependency(link_with: libfdt,
2807                              include_directories: fdt_inc)
2808   endif
2809 else
2810   fdt_opt = 'disabled'
2811 endif
2812 if not fdt.found() and fdt_required.length() > 0
2813   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2814 endif
2815
2816 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2817 config_host_data.set('CONFIG_FDT', fdt.found())
2818 config_host_data.set('CONFIG_SLIRP', slirp.found())
2819
2820 #####################
2821 # Generated sources #
2822 #####################
2823
2824 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2825
2826 hxtool = find_program('scripts/hxtool')
2827 shaderinclude = find_program('scripts/shaderinclude.py')
2828 qapi_gen = find_program('scripts/qapi-gen.py')
2829 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2830                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2831                      meson.current_source_dir() / 'scripts/qapi/common.py',
2832                      meson.current_source_dir() / 'scripts/qapi/error.py',
2833                      meson.current_source_dir() / 'scripts/qapi/events.py',
2834                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2835                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2836                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2837                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2838                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2839                      meson.current_source_dir() / 'scripts/qapi/source.py',
2840                      meson.current_source_dir() / 'scripts/qapi/types.py',
2841                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2842                      meson.current_source_dir() / 'scripts/qapi/common.py',
2843                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2844 ]
2845
2846 tracetool = [
2847   python, files('scripts/tracetool.py'),
2848    '--backend=' + ','.join(get_option('trace_backends'))
2849 ]
2850 tracetool_depends = files(
2851   'scripts/tracetool/backend/log.py',
2852   'scripts/tracetool/backend/__init__.py',
2853   'scripts/tracetool/backend/dtrace.py',
2854   'scripts/tracetool/backend/ftrace.py',
2855   'scripts/tracetool/backend/simple.py',
2856   'scripts/tracetool/backend/syslog.py',
2857   'scripts/tracetool/backend/ust.py',
2858   'scripts/tracetool/format/ust_events_c.py',
2859   'scripts/tracetool/format/ust_events_h.py',
2860   'scripts/tracetool/format/__init__.py',
2861   'scripts/tracetool/format/d.py',
2862   'scripts/tracetool/format/simpletrace_stap.py',
2863   'scripts/tracetool/format/c.py',
2864   'scripts/tracetool/format/h.py',
2865   'scripts/tracetool/format/log_stap.py',
2866   'scripts/tracetool/format/stap.py',
2867   'scripts/tracetool/__init__.py',
2868   'scripts/tracetool/vcpu.py'
2869 )
2870
2871 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2872                     meson.current_source_dir(),
2873                     get_option('pkgversion'), meson.project_version()]
2874 qemu_version = custom_target('qemu-version.h',
2875                              output: 'qemu-version.h',
2876                              command: qemu_version_cmd,
2877                              capture: true,
2878                              build_by_default: true,
2879                              build_always_stale: true)
2880 genh += qemu_version
2881
2882 hxdep = []
2883 hx_headers = [
2884   ['qemu-options.hx', 'qemu-options.def'],
2885   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2886 ]
2887 if have_system
2888   hx_headers += [
2889     ['hmp-commands.hx', 'hmp-commands.h'],
2890     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2891   ]
2892 endif
2893 foreach d : hx_headers
2894   hxdep += custom_target(d[1],
2895                 input: files(d[0]),
2896                 output: d[1],
2897                 capture: true,
2898                 build_by_default: true, # to be removed when added to a target
2899                 command: [hxtool, '-h', '@INPUT0@'])
2900 endforeach
2901 genh += hxdep
2902
2903 ###################
2904 # Collect sources #
2905 ###################
2906
2907 authz_ss = ss.source_set()
2908 blockdev_ss = ss.source_set()
2909 block_ss = ss.source_set()
2910 chardev_ss = ss.source_set()
2911 common_ss = ss.source_set()
2912 crypto_ss = ss.source_set()
2913 hwcore_ss = ss.source_set()
2914 io_ss = ss.source_set()
2915 qmp_ss = ss.source_set()
2916 qom_ss = ss.source_set()
2917 softmmu_ss = ss.source_set()
2918 specific_fuzz_ss = ss.source_set()
2919 specific_ss = ss.source_set()
2920 stub_ss = ss.source_set()
2921 trace_ss = ss.source_set()
2922 user_ss = ss.source_set()
2923 util_ss = ss.source_set()
2924
2925 # accel modules
2926 qtest_module_ss = ss.source_set()
2927 tcg_module_ss = ss.source_set()
2928
2929 modules = {}
2930 target_modules = {}
2931 hw_arch = {}
2932 target_arch = {}
2933 target_softmmu_arch = {}
2934 target_user_arch = {}
2935
2936 ###############
2937 # Trace files #
2938 ###############
2939
2940 # TODO: add each directory to the subdirs from its own meson.build, once
2941 # we have those
2942 trace_events_subdirs = [
2943   'crypto',
2944   'qapi',
2945   'qom',
2946   'monitor',
2947   'util',
2948   'gdbstub',
2949 ]
2950 if have_linux_user
2951   trace_events_subdirs += [ 'linux-user' ]
2952 endif
2953 if have_bsd_user
2954   trace_events_subdirs += [ 'bsd-user' ]
2955 endif
2956 if have_block
2957   trace_events_subdirs += [
2958     'authz',
2959     'block',
2960     'io',
2961     'nbd',
2962     'scsi',
2963   ]
2964 endif
2965 if have_system
2966   trace_events_subdirs += [
2967     'accel/kvm',
2968     'audio',
2969     'backends',
2970     'backends/tpm',
2971     'chardev',
2972     'ebpf',
2973     'hw/9pfs',
2974     'hw/acpi',
2975     'hw/adc',
2976     'hw/alpha',
2977     'hw/arm',
2978     'hw/audio',
2979     'hw/block',
2980     'hw/block/dataplane',
2981     'hw/char',
2982     'hw/display',
2983     'hw/dma',
2984     'hw/hyperv',
2985     'hw/i2c',
2986     'hw/i386',
2987     'hw/i386/xen',
2988     'hw/i386/kvm',
2989     'hw/ide',
2990     'hw/input',
2991     'hw/intc',
2992     'hw/isa',
2993     'hw/mem',
2994     'hw/mips',
2995     'hw/misc',
2996     'hw/misc/macio',
2997     'hw/net',
2998     'hw/net/can',
2999     'hw/nubus',
3000     'hw/nvme',
3001     'hw/nvram',
3002     'hw/pci',
3003     'hw/pci-host',
3004     'hw/ppc',
3005     'hw/rdma',
3006     'hw/rdma/vmw',
3007     'hw/rtc',
3008     'hw/s390x',
3009     'hw/scsi',
3010     'hw/sd',
3011     'hw/sh4',
3012     'hw/sparc',
3013     'hw/sparc64',
3014     'hw/ssi',
3015     'hw/timer',
3016     'hw/tpm',
3017     'hw/usb',
3018     'hw/vfio',
3019     'hw/virtio',
3020     'hw/watchdog',
3021     'hw/xen',
3022     'hw/gpio',
3023     'migration',
3024     'net',
3025     'softmmu',
3026     'ui',
3027     'hw/remote',
3028   ]
3029 endif
3030 if have_system or have_user
3031   trace_events_subdirs += [
3032     'accel/tcg',
3033     'hw/core',
3034     'target/arm',
3035     'target/arm/hvf',
3036     'target/hppa',
3037     'target/i386',
3038     'target/i386/kvm',
3039     'target/mips/tcg',
3040     'target/nios2',
3041     'target/ppc',
3042     'target/riscv',
3043     'target/s390x',
3044     'target/s390x/kvm',
3045     'target/sparc',
3046   ]
3047 endif
3048
3049 vhost_user = not_found
3050 if targetos == 'linux' and have_vhost_user
3051   libvhost_user = subproject('libvhost-user')
3052   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3053 endif
3054
3055 libvduse = not_found
3056 if have_libvduse
3057   libvduse_proj = subproject('libvduse')
3058   libvduse = libvduse_proj.get_variable('libvduse_dep')
3059 endif
3060
3061 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3062 # that is filled in by qapi/.
3063 subdir('qapi')
3064 subdir('qobject')
3065 subdir('stubs')
3066 subdir('trace')
3067 subdir('util')
3068 subdir('qom')
3069 subdir('authz')
3070 subdir('crypto')
3071 subdir('ui')
3072 subdir('hw')
3073 subdir('gdbstub')
3074
3075
3076 if enable_modules
3077   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3078   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3079 endif
3080
3081 qom_ss = qom_ss.apply(config_host, strict: false)
3082 libqom = static_library('qom', qom_ss.sources() + genh,
3083                         dependencies: [qom_ss.dependencies()],
3084                         name_suffix: 'fa')
3085 qom = declare_dependency(link_whole: libqom)
3086
3087 event_loop_base = files('event-loop-base.c')
3088 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3089                                  build_by_default: true)
3090 event_loop_base = declare_dependency(link_whole: event_loop_base,
3091                                      dependencies: [qom])
3092
3093 stub_ss = stub_ss.apply(config_all, strict: false)
3094
3095 util_ss.add_all(trace_ss)
3096 util_ss = util_ss.apply(config_all, strict: false)
3097 libqemuutil = static_library('qemuutil',
3098                              sources: util_ss.sources() + stub_ss.sources() + genh,
3099                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3100 qemuutil = declare_dependency(link_with: libqemuutil,
3101                               sources: genh + version_res,
3102                               dependencies: [event_loop_base])
3103
3104 if have_system or have_user
3105   decodetree = generator(find_program('scripts/decodetree.py'),
3106                          output: 'decode-@BASENAME@.c.inc',
3107                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3108   subdir('libdecnumber')
3109   subdir('target')
3110 endif
3111
3112 subdir('audio')
3113 subdir('io')
3114 subdir('chardev')
3115 subdir('fsdev')
3116 subdir('dump')
3117
3118 if have_block
3119   block_ss.add(files(
3120     'block.c',
3121     'blockjob.c',
3122     'job.c',
3123     'qemu-io-cmds.c',
3124   ))
3125   if config_host_data.get('CONFIG_REPLICATION')
3126     block_ss.add(files('replication.c'))
3127   endif
3128
3129   subdir('nbd')
3130   subdir('scsi')
3131   subdir('block')
3132
3133   blockdev_ss.add(files(
3134     'blockdev.c',
3135     'blockdev-nbd.c',
3136     'iothread.c',
3137     'job-qmp.c',
3138   ), gnutls)
3139
3140   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3141   # os-win32.c does not
3142   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3143   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3144 endif
3145
3146 common_ss.add(files('cpus-common.c'))
3147 specific_ss.add(files('cpu.c'))
3148
3149 subdir('softmmu')
3150
3151 common_ss.add(capstone)
3152 specific_ss.add(files('disas.c'), capstone)
3153
3154 # Work around a gcc bug/misfeature wherein constant propagation looks
3155 # through an alias:
3156 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3157 # to guess that a const variable is always zero.  Without lto, this is
3158 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3159 # without lto, not even the alias is required -- we simply use different
3160 # declarations in different compilation units.
3161 pagevary = files('page-vary-common.c')
3162 if get_option('b_lto')
3163   pagevary_flags = ['-fno-lto']
3164   if get_option('cfi')
3165     pagevary_flags += '-fno-sanitize=cfi-icall'
3166   endif
3167   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3168                             c_args: pagevary_flags)
3169   pagevary = declare_dependency(link_with: pagevary)
3170 endif
3171 common_ss.add(pagevary)
3172 specific_ss.add(files('page-vary.c'))
3173
3174 subdir('backends')
3175 subdir('disas')
3176 subdir('migration')
3177 subdir('monitor')
3178 subdir('net')
3179 subdir('replay')
3180 subdir('semihosting')
3181 subdir('stats')
3182 subdir('tcg')
3183 subdir('fpu')
3184 subdir('accel')
3185 subdir('plugins')
3186 subdir('ebpf')
3187
3188 common_user_inc = []
3189
3190 subdir('common-user')
3191 subdir('bsd-user')
3192 subdir('linux-user')
3193
3194 # needed for fuzzing binaries
3195 subdir('tests/qtest/libqos')
3196 subdir('tests/qtest/fuzz')
3197
3198 # accel modules
3199 tcg_real_module_ss = ss.source_set()
3200 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3201 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3202 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3203                                 'tcg': tcg_real_module_ss }}
3204
3205 ########################
3206 # Library dependencies #
3207 ########################
3208
3209 modinfo_collect = find_program('scripts/modinfo-collect.py')
3210 modinfo_generate = find_program('scripts/modinfo-generate.py')
3211 modinfo_files = []
3212
3213 block_mods = []
3214 softmmu_mods = []
3215 foreach d, list : modules
3216   foreach m, module_ss : list
3217     if enable_modules and targetos != 'windows'
3218       module_ss = module_ss.apply(config_all, strict: false)
3219       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3220                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3221       if d == 'block'
3222         block_mods += sl
3223       else
3224         softmmu_mods += sl
3225       endif
3226       if module_ss.sources() != []
3227         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3228         # input. Sources can be used multiple times but objects are
3229         # unique when it comes to lookup in compile_commands.json.
3230         # Depnds on a mesion version with
3231         # https://github.com/mesonbuild/meson/pull/8900
3232         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3233                                        output: d + '-' + m + '.modinfo',
3234                                        input: module_ss.sources() + genh,
3235                                        capture: true,
3236                                        command: [modinfo_collect, module_ss.sources()])
3237       endif
3238     else
3239       if d == 'block'
3240         block_ss.add_all(module_ss)
3241       else
3242         softmmu_ss.add_all(module_ss)
3243       endif
3244     endif
3245   endforeach
3246 endforeach
3247
3248 foreach d, list : target_modules
3249   foreach m, module_ss : list
3250     if enable_modules and targetos != 'windows'
3251       foreach target : target_dirs
3252         if target.endswith('-softmmu')
3253           config_target = config_target_mak[target]
3254           config_target += config_host
3255           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3256           c_args = ['-DNEED_CPU_H',
3257                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3258                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3259           target_module_ss = module_ss.apply(config_target, strict: false)
3260           if target_module_ss.sources() != []
3261             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3262             sl = static_library(module_name,
3263                                 [genh, target_module_ss.sources()],
3264                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3265                                 include_directories: target_inc,
3266                                 c_args: c_args,
3267                                 pic: true)
3268             softmmu_mods += sl
3269             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3270             modinfo_files += custom_target(module_name + '.modinfo',
3271                                            output: module_name + '.modinfo',
3272                                            input: target_module_ss.sources() + genh,
3273                                            capture: true,
3274                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3275           endif
3276         endif
3277       endforeach
3278     else
3279       specific_ss.add_all(module_ss)
3280     endif
3281   endforeach
3282 endforeach
3283
3284 if enable_modules
3285   foreach target : target_dirs
3286     if target.endswith('-softmmu')
3287       config_target = config_target_mak[target]
3288       config_devices_mak = target + '-config-devices.mak'
3289       modinfo_src = custom_target('modinfo-' + target + '.c',
3290                                   output: 'modinfo-' + target + '.c',
3291                                   input: modinfo_files,
3292                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3293                                   capture: true)
3294
3295       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3296       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3297
3298       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3299       hw_arch[arch].add(modinfo_dep)
3300     endif
3301   endforeach
3302 endif
3303
3304 nm = find_program('nm')
3305 undefsym = find_program('scripts/undefsym.py')
3306 block_syms = custom_target('block.syms', output: 'block.syms',
3307                              input: [libqemuutil, block_mods],
3308                              capture: true,
3309                              command: [undefsym, nm, '@INPUT@'])
3310 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3311                              input: [libqemuutil, softmmu_mods],
3312                              capture: true,
3313                              command: [undefsym, nm, '@INPUT@'])
3314
3315 authz_ss = authz_ss.apply(config_host, strict: false)
3316 libauthz = static_library('authz', authz_ss.sources() + genh,
3317                           dependencies: [authz_ss.dependencies()],
3318                           name_suffix: 'fa',
3319                           build_by_default: false)
3320
3321 authz = declare_dependency(link_whole: libauthz,
3322                            dependencies: qom)
3323
3324 crypto_ss = crypto_ss.apply(config_host, strict: false)
3325 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3326                            dependencies: [crypto_ss.dependencies()],
3327                            name_suffix: 'fa',
3328                            build_by_default: false)
3329
3330 crypto = declare_dependency(link_whole: libcrypto,
3331                             dependencies: [authz, qom])
3332
3333 io_ss = io_ss.apply(config_host, strict: false)
3334 libio = static_library('io', io_ss.sources() + genh,
3335                        dependencies: [io_ss.dependencies()],
3336                        link_with: libqemuutil,
3337                        name_suffix: 'fa',
3338                        build_by_default: false)
3339
3340 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3341
3342 libmigration = static_library('migration', sources: migration_files + genh,
3343                               name_suffix: 'fa',
3344                               build_by_default: false)
3345 migration = declare_dependency(link_with: libmigration,
3346                                dependencies: [zlib, qom, io])
3347 softmmu_ss.add(migration)
3348
3349 block_ss = block_ss.apply(config_host, strict: false)
3350 libblock = static_library('block', block_ss.sources() + genh,
3351                           dependencies: block_ss.dependencies(),
3352                           link_depends: block_syms,
3353                           name_suffix: 'fa',
3354                           build_by_default: false)
3355
3356 block = declare_dependency(link_whole: [libblock],
3357                            link_args: '@block.syms',
3358                            dependencies: [crypto, io])
3359
3360 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3361 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3362                              dependencies: blockdev_ss.dependencies(),
3363                              name_suffix: 'fa',
3364                              build_by_default: false)
3365
3366 blockdev = declare_dependency(link_whole: [libblockdev],
3367                               dependencies: [block, event_loop_base])
3368
3369 qmp_ss = qmp_ss.apply(config_host, strict: false)
3370 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3371                         dependencies: qmp_ss.dependencies(),
3372                         name_suffix: 'fa',
3373                         build_by_default: false)
3374
3375 qmp = declare_dependency(link_whole: [libqmp])
3376
3377 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3378                             name_suffix: 'fa',
3379                             dependencies: chardev_ss.dependencies(),
3380                             build_by_default: false)
3381
3382 chardev = declare_dependency(link_whole: libchardev)
3383
3384 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3385 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3386                            name_suffix: 'fa',
3387                            build_by_default: false)
3388 hwcore = declare_dependency(link_whole: libhwcore)
3389 common_ss.add(hwcore)
3390
3391 ###########
3392 # Targets #
3393 ###########
3394
3395 emulator_modules = []
3396 foreach m : block_mods + softmmu_mods
3397   emulator_modules += shared_module(m.name(),
3398                 build_by_default: true,
3399                 name_prefix: '',
3400                 link_whole: m,
3401                 install: true,
3402                 install_dir: qemu_moddir)
3403 endforeach
3404 if emulator_modules.length() > 0
3405   alias_target('modules', emulator_modules)
3406 endif
3407
3408 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3409 common_ss.add(qom, qemuutil)
3410
3411 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3412 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3413
3414 common_all = common_ss.apply(config_all, strict: false)
3415 common_all = static_library('common',
3416                             build_by_default: false,
3417                             sources: common_all.sources() + genh,
3418                             include_directories: common_user_inc,
3419                             implicit_include_directories: false,
3420                             dependencies: common_all.dependencies(),
3421                             name_suffix: 'fa')
3422
3423 feature_to_c = find_program('scripts/feature_to_c.sh')
3424
3425 if targetos == 'darwin'
3426   entitlement = find_program('scripts/entitlement.sh')
3427 endif
3428
3429 emulators = {}
3430 foreach target : target_dirs
3431   config_target = config_target_mak[target]
3432   target_name = config_target['TARGET_NAME']
3433   target_base_arch = config_target['TARGET_BASE_ARCH']
3434   arch_srcs = [config_target_h[target]]
3435   arch_deps = []
3436   c_args = ['-DNEED_CPU_H',
3437             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3438             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3439   link_args = emulator_link_args
3440
3441   config_target += config_host
3442   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3443   if targetos == 'linux'
3444     target_inc += include_directories('linux-headers', is_system: true)
3445   endif
3446   if target.endswith('-softmmu')
3447     target_type='system'
3448     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3449     arch_srcs += t.sources()
3450     arch_deps += t.dependencies()
3451
3452     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3453     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3454     arch_srcs += hw.sources()
3455     arch_deps += hw.dependencies()
3456
3457     arch_srcs += config_devices_h[target]
3458     link_args += ['@block.syms', '@qemu.syms']
3459   else
3460     abi = config_target['TARGET_ABI_DIR']
3461     target_type='user'
3462     target_inc += common_user_inc
3463     if target_base_arch in target_user_arch
3464       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3465       arch_srcs += t.sources()
3466       arch_deps += t.dependencies()
3467     endif
3468     if 'CONFIG_LINUX_USER' in config_target
3469       base_dir = 'linux-user'
3470     endif
3471     if 'CONFIG_BSD_USER' in config_target
3472       base_dir = 'bsd-user'
3473       target_inc += include_directories('bsd-user/' / targetos)
3474       target_inc += include_directories('bsd-user/host/' / host_arch)
3475       dir = base_dir / abi
3476       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3477     endif
3478     target_inc += include_directories(
3479       base_dir,
3480       base_dir / abi,
3481     )
3482     if 'CONFIG_LINUX_USER' in config_target
3483       dir = base_dir / abi
3484       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3485       if config_target.has_key('TARGET_SYSTBL_ABI')
3486         arch_srcs += \
3487           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3488                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3489       endif
3490     endif
3491   endif
3492
3493   if 'TARGET_XML_FILES' in config_target
3494     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3495                                 output: target + '-gdbstub-xml.c',
3496                                 input: files(config_target['TARGET_XML_FILES'].split()),
3497                                 command: [feature_to_c, '@INPUT@'],
3498                                 capture: true)
3499     arch_srcs += gdbstub_xml
3500   endif
3501
3502   t = target_arch[target_base_arch].apply(config_target, strict: false)
3503   arch_srcs += t.sources()
3504   arch_deps += t.dependencies()
3505
3506   target_common = common_ss.apply(config_target, strict: false)
3507   objects = common_all.extract_objects(target_common.sources())
3508   deps = target_common.dependencies()
3509
3510   target_specific = specific_ss.apply(config_target, strict: false)
3511   arch_srcs += target_specific.sources()
3512   arch_deps += target_specific.dependencies()
3513
3514   lib = static_library('qemu-' + target,
3515                  sources: arch_srcs + genh,
3516                  dependencies: arch_deps,
3517                  objects: objects,
3518                  include_directories: target_inc,
3519                  c_args: c_args,
3520                  build_by_default: false,
3521                  name_suffix: 'fa')
3522
3523   if target.endswith('-softmmu')
3524     execs = [{
3525       'name': 'qemu-system-' + target_name,
3526       'win_subsystem': 'console',
3527       'sources': files('softmmu/main.c'),
3528       'dependencies': []
3529     }]
3530     if targetos == 'windows' and (sdl.found() or gtk.found())
3531       execs += [{
3532         'name': 'qemu-system-' + target_name + 'w',
3533         'win_subsystem': 'windows',
3534         'sources': files('softmmu/main.c'),
3535         'dependencies': []
3536       }]
3537     endif
3538     if get_option('fuzzing')
3539       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3540       execs += [{
3541         'name': 'qemu-fuzz-' + target_name,
3542         'win_subsystem': 'console',
3543         'sources': specific_fuzz.sources(),
3544         'dependencies': specific_fuzz.dependencies(),
3545       }]
3546     endif
3547   else
3548     execs = [{
3549       'name': 'qemu-' + target_name,
3550       'win_subsystem': 'console',
3551       'sources': [],
3552       'dependencies': []
3553     }]
3554   endif
3555   foreach exe: execs
3556     exe_name = exe['name']
3557     if targetos == 'darwin'
3558       exe_name += '-unsigned'
3559     endif
3560
3561     emulator = executable(exe_name, exe['sources'],
3562                install: true,
3563                c_args: c_args,
3564                dependencies: arch_deps + deps + exe['dependencies'],
3565                objects: lib.extract_all_objects(recursive: true),
3566                link_language: link_language,
3567                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3568                link_args: link_args,
3569                win_subsystem: exe['win_subsystem'])
3570
3571     if targetos == 'darwin'
3572       icon = 'pc-bios/qemu.rsrc'
3573       build_input = [emulator, files(icon)]
3574       install_input = [
3575         get_option('bindir') / exe_name,
3576         meson.current_source_dir() / icon
3577       ]
3578       if 'CONFIG_HVF' in config_target
3579         entitlements = 'accel/hvf/entitlements.plist'
3580         build_input += files(entitlements)
3581         install_input += meson.current_source_dir() / entitlements
3582       endif
3583
3584       emulators += {exe['name'] : custom_target(exe['name'],
3585                    input: build_input,
3586                    output: exe['name'],
3587                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3588       }
3589
3590       meson.add_install_script(entitlement, '--install',
3591                                get_option('bindir') / exe['name'],
3592                                install_input)
3593     else
3594       emulators += {exe['name']: emulator}
3595     endif
3596
3597     if stap.found()
3598       foreach stp: [
3599         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3600         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3601         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3602         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3603       ]
3604         custom_target(exe['name'] + stp['ext'],
3605                       input: trace_events_all,
3606                       output: exe['name'] + stp['ext'],
3607                       install: stp['install'],
3608                       install_dir: get_option('datadir') / 'systemtap/tapset',
3609                       command: [
3610                         tracetool, '--group=all', '--format=' + stp['fmt'],
3611                         '--binary=' + stp['bin'],
3612                         '--target-name=' + target_name,
3613                         '--target-type=' + target_type,
3614                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3615                         '@INPUT@', '@OUTPUT@'
3616                       ],
3617                       depend_files: tracetool_depends)
3618       endforeach
3619     endif
3620   endforeach
3621 endforeach
3622
3623 # Other build targets
3624
3625 if 'CONFIG_PLUGIN' in config_host
3626   install_headers('include/qemu/qemu-plugin.h')
3627 endif
3628
3629 subdir('qga')
3630
3631 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3632 # when we don't build tools or system
3633 if xkbcommon.found()
3634   # used for the update-keymaps target, so include rules even if !have_tools
3635   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3636                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3637 endif
3638
3639 if have_tools
3640   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3641              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3642   qemu_io = executable('qemu-io', files('qemu-io.c'),
3643              dependencies: [block, qemuutil], install: true)
3644   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3645                dependencies: [blockdev, qemuutil, gnutls, selinux],
3646                install: true)
3647
3648   subdir('storage-daemon')
3649   subdir('contrib/rdmacm-mux')
3650   subdir('contrib/elf2dmp')
3651
3652   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3653              dependencies: qemuutil,
3654              install: true)
3655
3656   if have_vhost_user
3657     subdir('contrib/vhost-user-blk')
3658     subdir('contrib/vhost-user-gpu')
3659     subdir('contrib/vhost-user-input')
3660     subdir('contrib/vhost-user-scsi')
3661   endif
3662
3663   if targetos == 'linux'
3664     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3665                dependencies: [qemuutil, libcap_ng],
3666                install: true,
3667                install_dir: get_option('libexecdir'))
3668
3669     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3670                dependencies: [authz, crypto, io, qom, qemuutil,
3671                               libcap_ng, mpathpersist],
3672                install: true)
3673   endif
3674
3675   if have_ivshmem
3676     subdir('contrib/ivshmem-client')
3677     subdir('contrib/ivshmem-server')
3678   endif
3679 endif
3680
3681 subdir('scripts')
3682 subdir('tools')
3683 subdir('pc-bios')
3684 subdir('docs')
3685 subdir('tests')
3686 if gtk.found()
3687   subdir('po')
3688 endif
3689
3690 if host_machine.system() == 'windows'
3691   nsis_cmd = [
3692     find_program('scripts/nsis.py'),
3693     '@OUTPUT@',
3694     get_option('prefix'),
3695     meson.current_source_dir(),
3696     config_host['GLIB_BINDIR'],
3697     host_machine.cpu(),
3698     '--',
3699     '-DDISPLAYVERSION=' + meson.project_version(),
3700   ]
3701   if build_docs
3702     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3703   endif
3704   if gtk.found()
3705     nsis_cmd += '-DCONFIG_GTK=y'
3706   endif
3707
3708   nsis = custom_target('nsis',
3709                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3710                        input: files('qemu.nsi'),
3711                        build_always_stale: true,
3712                        command: nsis_cmd + ['@INPUT@'])
3713   alias_target('installer', nsis)
3714 endif
3715
3716 #########################
3717 # Configuration summary #
3718 #########################
3719
3720 # Directories
3721 summary_info = {}
3722 summary_info += {'Install prefix':    get_option('prefix')}
3723 summary_info += {'BIOS directory':    qemu_datadir}
3724 pathsep = targetos == 'windows' ? ';' : ':'
3725 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3726 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3727 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3728 summary_info += {'module directory':  qemu_moddir}
3729 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3730 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3731 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3732 if targetos != 'windows'
3733   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3734   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3735 else
3736   summary_info += {'local state directory': 'queried at runtime'}
3737 endif
3738 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3739 summary_info += {'Build directory':   meson.current_build_dir()}
3740 summary_info += {'Source path':       meson.current_source_dir()}
3741 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3742 summary(summary_info, bool_yn: true, section: 'Directories')
3743
3744 # Host binaries
3745 summary_info = {}
3746 summary_info += {'git':               config_host['GIT']}
3747 summary_info += {'make':              config_host['MAKE']}
3748 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3749 summary_info += {'sphinx-build':      sphinx_build}
3750 if config_host.has_key('HAVE_GDB_BIN')
3751   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3752 endif
3753 summary_info += {'iasl':              iasl}
3754 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3755 if targetos == 'windows' and have_ga
3756   summary_info += {'wixl':            wixl}
3757 endif
3758 if slirp.found() and have_system
3759   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3760 endif
3761 summary(summary_info, bool_yn: true, section: 'Host binaries')
3762
3763 # Configurable features
3764 summary_info = {}
3765 summary_info += {'Documentation':     build_docs}
3766 summary_info += {'system-mode emulation': have_system}
3767 summary_info += {'user-mode emulation': have_user}
3768 summary_info += {'block layer':       have_block}
3769 summary_info += {'Install blobs':     get_option('install_blobs')}
3770 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3771 if config_host.has_key('CONFIG_MODULES')
3772   summary_info += {'alternative module path': get_option('module_upgrades')}
3773 endif
3774 summary_info += {'fuzzing support':   get_option('fuzzing')}
3775 if have_system
3776   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3777 endif
3778 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3779 if 'simple' in get_option('trace_backends')
3780   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3781 endif
3782 summary_info += {'D-Bus display':     dbus_display}
3783 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3784 summary_info += {'vhost-kernel support': have_vhost_kernel}
3785 summary_info += {'vhost-net support': have_vhost_net}
3786 summary_info += {'vhost-user support': have_vhost_user}
3787 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3788 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3789 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3790 summary_info += {'build guest agent': have_ga}
3791 summary(summary_info, bool_yn: true, section: 'Configurable features')
3792
3793 # Compilation information
3794 summary_info = {}
3795 summary_info += {'host CPU':          cpu}
3796 summary_info += {'host endianness':   build_machine.endian()}
3797 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3798 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3799 if link_language == 'cpp'
3800   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3801 else
3802   summary_info += {'C++ compiler':      false}
3803 endif
3804 if targetos == 'darwin'
3805   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3806 endif
3807 option_cflags = (get_option('debug') ? ['-g'] : [])
3808 if get_option('optimization') != 'plain'
3809   option_cflags += ['-O' + get_option('optimization')]
3810 endif
3811 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3812 if link_language == 'cpp'
3813   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3814 endif
3815 if targetos == 'darwin'
3816   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3817 endif
3818 link_args = get_option(link_language + '_link_args')
3819 if link_args.length() > 0
3820   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3821 endif
3822 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3823 if 'cpp' in all_languages
3824   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3825 endif
3826 if 'objc' in all_languages
3827   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3828 endif
3829 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3830 summary_info += {'profiler':          get_option('profiler')}
3831 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3832 summary_info += {'PIE':               get_option('b_pie')}
3833 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3834 summary_info += {'malloc trim support': has_malloc_trim}
3835 summary_info += {'membarrier':        have_membarrier}
3836 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3837 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3838 summary_info += {'memory allocator':  get_option('malloc')}
3839 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3840 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3841 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3842 if get_option('gprof')
3843   gprof_info = 'YES (deprecated)'
3844 else
3845   gprof_info = get_option('gprof')
3846 endif
3847 summary_info += {'gprof':             gprof_info}
3848 summary_info += {'gcov':              get_option('b_coverage')}
3849 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3850 summary_info += {'CFI support':       get_option('cfi')}
3851 if get_option('cfi')
3852   summary_info += {'CFI debug support': get_option('cfi_debug')}
3853 endif
3854 summary_info += {'strip binaries':    get_option('strip')}
3855 summary_info += {'sparse':            sparse}
3856 summary_info += {'mingw32 support':   targetos == 'windows'}
3857 summary(summary_info, bool_yn: true, section: 'Compilation')
3858
3859 # snarf the cross-compilation information for tests
3860 summary_info = {}
3861 have_cross = false
3862 foreach target: target_dirs
3863   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3864   if fs.exists(tcg_mak)
3865     config_cross_tcg = keyval.load(tcg_mak)
3866     if 'CC' in config_cross_tcg
3867       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3868       have_cross = true
3869     endif
3870   endif
3871 endforeach
3872 if have_cross
3873   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3874 endif
3875
3876 # Targets and accelerators
3877 summary_info = {}
3878 if have_system
3879   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3880   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3881   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3882   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3883   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3884   summary_info += {'Xen support':       xen.found()}
3885   if xen.found()
3886     summary_info += {'xen ctrl version':  xen.version()}
3887   endif
3888   summary_info += {'Xen emulation':     config_all.has_key('CONFIG_XEN_EMU')}
3889 endif
3890 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3891 if config_all.has_key('CONFIG_TCG')
3892   if get_option('tcg_interpreter')
3893     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3894   else
3895     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3896   endif
3897   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3898   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3899 endif
3900 summary_info += {'target list':       ' '.join(target_dirs)}
3901 if have_system
3902   summary_info += {'default devices':   get_option('default_devices')}
3903   summary_info += {'out of process emulation': multiprocess_allowed}
3904   summary_info += {'vfio-user server': vfio_user_server_allowed}
3905 endif
3906 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3907
3908 # Block layer
3909 summary_info = {}
3910 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3911 summary_info += {'coroutine pool':    have_coroutine_pool}
3912 if have_block
3913   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3914   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3915   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3916   summary_info += {'VirtFS support':    have_virtfs}
3917   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3918   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3919   summary_info += {'bochs support':     get_option('bochs').allowed()}
3920   summary_info += {'cloop support':     get_option('cloop').allowed()}
3921   summary_info += {'dmg support':       get_option('dmg').allowed()}
3922   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3923   summary_info += {'vdi support':       get_option('vdi').allowed()}
3924   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3925   summary_info += {'qed support':       get_option('qed').allowed()}
3926   summary_info += {'parallels support': get_option('parallels').allowed()}
3927   summary_info += {'FUSE exports':      fuse}
3928   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3929 endif
3930 summary(summary_info, bool_yn: true, section: 'Block layer support')
3931
3932 # Crypto
3933 summary_info = {}
3934 summary_info += {'TLS priority':      get_option('tls_priority')}
3935 summary_info += {'GNUTLS support':    gnutls}
3936 if gnutls.found()
3937   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3938 endif
3939 summary_info += {'libgcrypt':         gcrypt}
3940 summary_info += {'nettle':            nettle}
3941 if nettle.found()
3942    summary_info += {'  XTS':             xts != 'private'}
3943 endif
3944 summary_info += {'AF_ALG support':    have_afalg}
3945 summary_info += {'rng-none':          get_option('rng_none')}
3946 summary_info += {'Linux keyring':     have_keyring}
3947 summary(summary_info, bool_yn: true, section: 'Crypto')
3948
3949 # Libraries
3950 summary_info = {}
3951 if targetos == 'darwin'
3952   summary_info += {'Cocoa support':           cocoa}
3953   summary_info += {'vmnet.framework support': vmnet}
3954 endif
3955 summary_info += {'SDL support':       sdl}
3956 summary_info += {'SDL image support': sdl_image}
3957 summary_info += {'GTK support':       gtk}
3958 summary_info += {'pixman':            pixman}
3959 summary_info += {'VTE support':       vte}
3960 summary_info += {'slirp support':     slirp}
3961 summary_info += {'libtasn1':          tasn1}
3962 summary_info += {'PAM':               pam}
3963 summary_info += {'iconv support':     iconv}
3964 summary_info += {'curses support':    curses}
3965 summary_info += {'virgl support':     virgl}
3966 summary_info += {'blkio support':     blkio}
3967 summary_info += {'curl support':      curl}
3968 summary_info += {'Multipath support': mpathpersist}
3969 summary_info += {'PNG support':       png}
3970 summary_info += {'VNC support':       vnc}
3971 if vnc.found()
3972   summary_info += {'VNC SASL support':  sasl}
3973   summary_info += {'VNC JPEG support':  jpeg}
3974 endif
3975 if targetos not in ['darwin', 'haiku', 'windows']
3976   summary_info += {'OSS support':     oss}
3977   summary_info += {'sndio support':   sndio}
3978 elif targetos == 'darwin'
3979   summary_info += {'CoreAudio support': coreaudio}
3980 elif targetos == 'windows'
3981   summary_info += {'DirectSound support': dsound}
3982 endif
3983 if targetos == 'linux'
3984   summary_info += {'ALSA support':    alsa}
3985   summary_info += {'PulseAudio support': pulse}
3986 endif
3987 summary_info += {'JACK support':      jack}
3988 summary_info += {'brlapi support':    brlapi}
3989 summary_info += {'vde support':       vde}
3990 summary_info += {'netmap support':    have_netmap}
3991 summary_info += {'l2tpv3 support':    have_l2tpv3}
3992 summary_info += {'Linux AIO support': libaio}
3993 summary_info += {'Linux io_uring support': linux_io_uring}
3994 summary_info += {'ATTR/XATTR support': libattr}
3995 summary_info += {'RDMA support':      rdma}
3996 summary_info += {'PVRDMA support':    have_pvrdma}
3997 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3998 summary_info += {'libcap-ng support': libcap_ng}
3999 summary_info += {'bpf support':       libbpf}
4000 summary_info += {'spice protocol support': spice_protocol}
4001 if spice_protocol.found()
4002   summary_info += {'  spice server support': spice}
4003 endif
4004 summary_info += {'rbd support':       rbd}
4005 summary_info += {'smartcard support': cacard}
4006 summary_info += {'U2F support':       u2f}
4007 summary_info += {'libusb':            libusb}
4008 summary_info += {'usb net redir':     usbredir}
4009 summary_info += {'OpenGL support (epoxy)': opengl}
4010 summary_info += {'GBM':               gbm}
4011 summary_info += {'libiscsi support':  libiscsi}
4012 summary_info += {'libnfs support':    libnfs}
4013 if targetos == 'windows'
4014   if have_ga
4015     summary_info += {'QGA VSS support':   have_qga_vss}
4016   endif
4017 endif
4018 summary_info += {'seccomp support':   seccomp}
4019 summary_info += {'GlusterFS support': glusterfs}
4020 summary_info += {'TPM support':       have_tpm}
4021 summary_info += {'libssh support':    libssh}
4022 summary_info += {'lzo support':       lzo}
4023 summary_info += {'snappy support':    snappy}
4024 summary_info += {'bzip2 support':     libbzip2}
4025 summary_info += {'lzfse support':     liblzfse}
4026 summary_info += {'zstd support':      zstd}
4027 summary_info += {'NUMA host support': numa}
4028 summary_info += {'capstone':          capstone}
4029 summary_info += {'libpmem support':   libpmem}
4030 summary_info += {'libdaxctl support': libdaxctl}
4031 summary_info += {'libudev':           libudev}
4032 # Dummy dependency, keep .found()
4033 summary_info += {'FUSE lseek':        fuse_lseek.found()}
4034 summary_info += {'selinux':           selinux}
4035 summary_info += {'libdw':             libdw}
4036 summary(summary_info, bool_yn: true, section: 'Dependencies')
4037
4038 if not supported_cpus.contains(cpu)
4039   message()
4040   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4041   message()
4042   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4043   message('The QEMU project intends to remove support for this host CPU in')
4044   message('a future release if nobody volunteers to maintain it and to')
4045   message('provide a build host for our continuous integration setup.')
4046   message('configure has succeeded and you can continue to build, but')
4047   message('if you care about QEMU on this platform you should contact')
4048   message('us upstream at qemu-devel@nongnu.org.')
4049 endif
4050
4051 if not supported_oses.contains(targetos)
4052   message()
4053   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4054   message()
4055   message('Host OS ' + targetos + 'support is not currently maintained.')
4056   message('The QEMU project intends to remove support for this host OS in')
4057   message('a future release if nobody volunteers to maintain it and to')
4058   message('provide a build host for our continuous integration setup.')
4059   message('configure has succeeded and you can continue to build, but')
4060   message('if you care about QEMU on this platform you should contact')
4061   message('us upstream at qemu-devel@nongnu.org.')
4062 endif