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   add_project_link_arguments(['-Wl,-T,',
 219                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 220                              native: false, language: all_languages)
 221
 222   # Specify a filter to only instrument code that is directly related to
 223   # virtual-devices.
 224   configure_file(output: 'instrumentation-filter',
 225                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 226                  copy: true)
 227
 228   if cc.compiles('int main () { return 0; }',
 229                   name: '-fsanitize-coverage-allowlist=/dev/null',
 230                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 231                         '-fsanitize-coverage=trace-pc'] )
 232     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 233                          native: false, language: all_languages)
 234   endif
 235
 236   if get_option('fuzzing_engine') == ''
 237     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 238     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 239     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 240     # unable to bind the fuzzer-related callbacks added by instrumentation.
 241     add_global_arguments('-fsanitize=fuzzer-no-link',
 242                          native: false, language: all_languages)
 243     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 244                               native: false, language: all_languages)
 245     # For the actual fuzzer binaries, we need to link against the libfuzzer
 246     # library. They need to be configurable, to support OSS-Fuzz
 247     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 248   else
 249     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 250     # the needed CFLAGS have already been provided
 251     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 252   endif
 253 endif
 254
 255 # Check that the C++ compiler exists and works with the C compiler.
 256 link_language = 'c'
 257 linker = cc
 258 qemu_cxxflags = []
 259 if 'cpp' in all_languages
 260   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
 261                        native: false, language: 'cpp')
 262   foreach k: qemu_cflags
 263     if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
 264                  '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
 265       qemu_cxxflags += [k]
 266     endif
 267   endforeach
 268
 269   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
 270     link_language = 'cpp'
 271     linker = cxx
 272   else
 273     message('C++ compiler does not work with C compiler')
 274     message('Disabling C++-specific optional code')
 275   endif
 276 endif
 277
 278 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
 279 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
 280   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 281 endif
 282
 283 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 284
 285 add_global_arguments(qemu_cflags, native: false, language: 'c')
 286 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 287 add_global_arguments(qemu_objcflags, native: false, language: 'objc')
 288 if targetos == 'linux'
 289   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 290                         '-isystem', 'linux-headers',
 291                         language: all_languages)
 292 endif
 293
 294 add_project_arguments('-iquote', '.',
 295                       '-iquote', meson.current_source_dir(),
 296                       '-iquote', meson.current_source_dir() / 'include',
 297                       language: all_languages)
 298
 299 sparse = find_program('cgcc', required: get_option('sparse'))
 300 if sparse.found()
 301   run_target('sparse',
 302              command: [find_program('scripts/check_sparse.py'),
 303                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 304                        '-Wno-transparent-union', '-Wno-old-initializer',
 305                        '-Wno-non-pointer-null'])
 306 endif
 307
 308 ###########################################
 309 # Target-specific checks and dependencies #
 310 ###########################################
 311
 312 # Fuzzing
 313 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 314     not cc.links('''
 315           #include <stdint.h>
 316           #include <sys/types.h>
 317           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 318           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 319         ''',
 320         args: ['-Werror', '-fsanitize=fuzzer'])
 321   error('Your compiler does not support -fsanitize=fuzzer')
 322 endif
 323
 324 # Tracing backends
 325 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 326   error('ftrace is supported only on Linux')
 327 endif
 328 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 329     #include <syslog.h>
 330     int main(void) {
 331         openlog("qemu", LOG_PID, LOG_DAEMON);
 332         syslog(LOG_INFO, "configure");
 333         return 0;
 334     }''')
 335   error('syslog is not supported on this system')
 336 endif
 337
 338 # Miscellaneous Linux-only features
 339 get_option('mpath') \
 340   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 341
 342 multiprocess_allowed = get_option('multiprocess') \
 343   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 344   .allowed()
 345
 346 vfio_user_server_allowed = get_option('vfio_user_server') \
 347   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 348   .allowed()
 349
 350 have_tpm = get_option('tpm') \
 351   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 352   .allowed()
 353
 354 # vhost
 355 have_vhost_user = get_option('vhost_user') \
 356   .disable_auto_if(targetos != 'linux') \
 357   .require(targetos != 'windows',
 358            error_message: 'vhost-user is not available on Windows').allowed()
 359 have_vhost_vdpa = get_option('vhost_vdpa') \
 360   .require(targetos == 'linux',
 361            error_message: 'vhost-vdpa is only available on Linux').allowed()
 362 have_vhost_kernel = get_option('vhost_kernel') \
 363   .require(targetos == 'linux',
 364            error_message: 'vhost-kernel is only available on Linux').allowed()
 365 have_vhost_user_crypto = get_option('vhost_crypto') \
 366   .require(have_vhost_user,
 367            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 368
 369 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 370
 371 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 372 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 373 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 374 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 375
 376 # Target-specific libraries and flags
 377 libm = cc.find_library('m', required: false)
 378 threads = dependency('threads')
 379 util = cc.find_library('util', required: false)
 380 winmm = []
 381 socket = []
 382 version_res = []
 383 coref = []
 384 iokit = []
 385 emulator_link_args = []
 386 nvmm =not_found
 387 hvf = not_found
 388 midl = not_found
 389 widl = not_found
 390 pathcch = not_found
 391 host_dsosuf = '.so'
 392 if targetos == 'windows'
 393   midl = find_program('midl', required: false)
 394   widl = find_program('widl', required: false)
 395   pathcch = cc.find_library('pathcch')
 396   socket = cc.find_library('ws2_32')
 397   winmm = cc.find_library('winmm')
 398
 399   win = import('windows')
 400   version_res = win.compile_resources('version.rc',
 401                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 402                                       include_directories: include_directories('.'))
 403   host_dsosuf = '.dll'
 404 elif targetos == 'darwin'
 405   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 406   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 407   host_dsosuf = '.dylib'
 408 elif targetos == 'sunos'
 409   socket = [cc.find_library('socket'),
 410             cc.find_library('nsl'),
 411             cc.find_library('resolv')]
 412 elif targetos == 'haiku'
 413   socket = [cc.find_library('posix_error_mapper'),
 414             cc.find_library('network'),
 415             cc.find_library('bsd')]
 416 elif targetos == 'openbsd'
 417   if get_option('tcg').allowed() and target_dirs.length() > 0
 418     # Disable OpenBSD W^X if available
 419     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 420   endif
 421 endif
 422
 423 # Target-specific configuration of accelerators
 424 accelerators = []
 425 if get_option('kvm').allowed() and targetos == 'linux'
 426   accelerators += 'CONFIG_KVM'
 427 endif
 428 if get_option('whpx').allowed() and targetos == 'windows'
 429   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 430     error('WHPX requires 64-bit host')
 431   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 432        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 433     accelerators += 'CONFIG_WHPX'
 434   endif
 435 endif
 436 if get_option('hvf').allowed()
 437   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 438                    required: get_option('hvf'))
 439   if hvf.found()
 440     accelerators += 'CONFIG_HVF'
 441   endif
 442 endif
 443 if get_option('hax').allowed()
 444   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 445     accelerators += 'CONFIG_HAX'
 446   endif
 447 endif
 448 if targetos == 'netbsd'
 449   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 450   if nvmm.found()
 451     accelerators += 'CONFIG_NVMM'
 452   endif
 453 endif
 454
 455 tcg_arch = host_arch
 456 if get_option('tcg').allowed()
 457   if host_arch == 'unknown'
 458     if get_option('tcg_interpreter')
 459       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 460     else
 461       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 462     endif
 463   elif get_option('tcg_interpreter')
 464     warning('Use of the TCG interpreter is not recommended on this host')
 465     warning('architecture. There is a native TCG execution backend available')
 466     warning('which provides substantially better performance and reliability.')
 467     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 468     warning('configuration option on this architecture to use the native')
 469     warning('backend.')
 470   endif
 471   if get_option('tcg_interpreter')
 472     tcg_arch = 'tci'
 473     config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
 474   elif host_arch == 'x86_64'
 475     tcg_arch = 'i386'
 476   elif host_arch == 'ppc64'
 477     tcg_arch = 'ppc'
 478   endif
 479   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 480                         language: all_languages)
 481
 482   accelerators += 'CONFIG_TCG'
 483   config_host += { 'CONFIG_TCG': 'y' }
 484 endif
 485
 486 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 487   error('KVM not available on this platform')
 488 endif
 489 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 490   error('HVF not available on this platform')
 491 endif
 492 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 493   error('NVMM not available on this platform')
 494 endif
 495 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 496   error('WHPX not available on this platform')
 497 endif
 498
 499 ################
 500 # Dependencies #
 501 ################
 502
 503 # The path to glib.h is added to all compilation commands.  This was
 504 # grandfathered in from the QEMU Makefiles.
 505 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 506                       native: false, language: all_languages)
 507 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 508                           link_args: config_host['GLIB_LIBS'].split(),
 509                           version: config_host['GLIB_VERSION'],
 510                           variables: {
 511                             'bindir': config_host['GLIB_BINDIR'],
 512                           })
 513 # override glib dep with the configure results (for subprojects)
 514 meson.override_dependency('glib-2.0', glib)
 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 = dependency('libdw',
1653                    method: 'pkg-config',
1654                    kwargs: static_kwargs,
1655                    required: false)
1656
1657 #################
1658 # config-host.h #
1659 #################
1660
1661 audio_drivers_selected = []
1662 if have_system
1663   audio_drivers_available = {
1664     'alsa': alsa.found(),
1665     'coreaudio': coreaudio.found(),
1666     'dsound': dsound.found(),
1667     'jack': jack.found(),
1668     'oss': oss.found(),
1669     'pa': pulse.found(),
1670     'sdl': sdl.found(),
1671     'sndio': sndio.found(),
1672   }
1673   foreach k, v: audio_drivers_available
1674     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675   endforeach
1676
1677   # Default to native drivers first, OSS second, SDL third
1678   audio_drivers_priority = \
1679     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680     (targetos == 'linux' ? [] : [ 'sdl' ])
1681   audio_drivers_default = []
1682   foreach k: audio_drivers_priority
1683     if audio_drivers_available[k]
1684       audio_drivers_default += k
1685     endif
1686   endforeach
1687
1688   foreach k: get_option('audio_drv_list')
1689     if k == 'default'
1690       audio_drivers_selected += audio_drivers_default
1691     elif not audio_drivers_available[k]
1692       error('Audio driver "@0@" not available.'.format(k))
1693     else
1694       audio_drivers_selected += k
1695     endif
1696   endforeach
1697 endif
1698 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701 if get_option('cfi')
1702   cfi_flags=[]
1703   # Check for dependency on LTO
1704   if not get_option('b_lto')
1705     error('Selected Control-Flow Integrity but LTO is disabled')
1706   endif
1707   if config_host.has_key('CONFIG_MODULES')
1708     error('Selected Control-Flow Integrity is not compatible with modules')
1709   endif
1710   # Check for cfi flags. CFI requires LTO so we can't use
1711   # get_supported_arguments, but need a more complex "compiles" which allows
1712   # custom arguments
1713   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                  args: ['-flto', '-fsanitize=cfi-icall'] )
1715     cfi_flags += '-fsanitize=cfi-icall'
1716   else
1717     error('-fsanitize=cfi-icall is not supported by the compiler')
1718   endif
1719   if cc.compiles('int main () { return 0; }',
1720                  name: '-fsanitize-cfi-icall-generalize-pointers',
1721                  args: ['-flto', '-fsanitize=cfi-icall',
1722                         '-fsanitize-cfi-icall-generalize-pointers'] )
1723     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724   else
1725     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726   endif
1727   if get_option('cfi_debug')
1728     if cc.compiles('int main () { return 0; }',
1729                    name: '-fno-sanitize-trap=cfi-icall',
1730                    args: ['-flto', '-fsanitize=cfi-icall',
1731                           '-fno-sanitize-trap=cfi-icall'] )
1732       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733     else
1734       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735     endif
1736   endif
1737   add_global_arguments(cfi_flags, native: false, language: all_languages)
1738   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739 endif
1740
1741 have_host_block_device = (targetos != 'darwin' or
1742     cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744 dbus_display = get_option('dbus_display') \
1745   .require(gio.version().version_compare('>=2.64'),
1746            error_message: '-display dbus requires glib>=2.64') \
1747   .require(gdbus_codegen.found(),
1748            error_message: gdbus_codegen_error.format('-display dbus')) \
1749   .require(opengl.found() and gbm.found(),
1750            error_message: '-display dbus requires epoxy/egl and gbm') \
1751   .allowed()
1752
1753 have_virtfs = get_option('virtfs') \
1754     .require(targetos == 'linux' or targetos == 'darwin',
1755              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760     .disable_auto_if(not have_tools and not have_system) \
1761     .allowed()
1762
1763 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765 if get_option('block_drv_ro_whitelist') == ''
1766   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767 else
1768   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770 endif
1771 if get_option('block_drv_rw_whitelist') == ''
1772   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773 else
1774   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776 endif
1777
1778 foreach k : get_option('trace_backends')
1779   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780 endforeach
1781 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783 if iasl.found()
1784   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785 endif
1786 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792 qemu_firmwarepath = ''
1793 foreach k : get_option('qemu_firmwarepath')
1794   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795 endforeach
1796 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805 if config_host.has_key('CONFIG_MODULES')
1806   config_host_data.set('CONFIG_STAMP', run_command(
1807       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808       meson.project_version(), get_option('pkgversion'), '--',
1809       meson.current_source_dir() / 'configure',
1810       capture: true, check: true).stdout().strip())
1811 endif
1812
1813 have_slirp_smbd = get_option('slirp_smbd') \
1814   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815   .allowed()
1816 if have_slirp_smbd
1817   smbd_path = get_option('smbd')
1818   if smbd_path == ''
1819     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820   endif
1821   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822 endif
1823
1824 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826 if get_option('module_upgrades') and not enable_modules
1827   error('Cannot enable module-upgrades as modules are not enabled')
1828 endif
1829 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831 config_host_data.set('CONFIG_ATTR', libattr.found())
1832 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834 config_host_data.set('CONFIG_COCOA', cocoa.found())
1835 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838 config_host_data.set('CONFIG_LZO', lzo.found())
1839 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841 config_host_data.set('CONFIG_BLKIO', blkio.found())
1842 config_host_data.set('CONFIG_CURL', curl.found())
1843 config_host_data.set('CONFIG_CURSES', curses.found())
1844 config_host_data.set('CONFIG_GBM', gbm.found())
1845 config_host_data.set('CONFIG_GIO', gio.found())
1846 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847 if glusterfs.found()
1848   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854 endif
1855 config_host_data.set('CONFIG_GTK', gtk.found())
1856 config_host_data.set('CONFIG_VTE', vte.found())
1857 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860 config_host_data.set('CONFIG_EBPF', libbpf.found())
1861 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868 config_host_data.set('CONFIG_NUMA', numa.found())
1869 if numa.found()
1870   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                        cc.has_function('numa_has_preferred_many',
1872                                        dependencies: numa))
1873 endif
1874 config_host_data.set('CONFIG_OPENGL', opengl.found())
1875 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876 config_host_data.set('CONFIG_RBD', rbd.found())
1877 config_host_data.set('CONFIG_RDMA', rdma.found())
1878 config_host_data.set('CONFIG_SDL', sdl.found())
1879 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881 if seccomp.found()
1882   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883 endif
1884 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885 config_host_data.set('CONFIG_TPM', have_tpm)
1886 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887 config_host_data.set('CONFIG_VDE', vde.found())
1888 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895 config_host_data.set('CONFIG_VMNET', vmnet.found())
1896 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898 config_host_data.set('CONFIG_PNG', png.found())
1899 config_host_data.set('CONFIG_VNC', vnc.found())
1900 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903 config_host_data.set('CONFIG_VTE', vte.found())
1904 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906 config_host_data.set('CONFIG_GETTID', has_gettid)
1907 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909 config_host_data.set('CONFIG_TASN1', tasn1.found())
1910 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911 config_host_data.set('CONFIG_NETTLE', nettle.found())
1912 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915 config_host_data.set('CONFIG_STATX', has_statx)
1916 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917 config_host_data.set('CONFIG_ZSTD', zstd.found())
1918 config_host_data.set('CONFIG_FUSE', fuse.found())
1919 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921 if spice_protocol.found()
1922 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925 endif
1926 config_host_data.set('CONFIG_SPICE', spice.found())
1927 config_host_data.set('CONFIG_X11', x11.found())
1928 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930 config_host_data.set('CONFIG_SELINUX', selinux.found())
1931 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932 config_host_data.set('CONFIG_LIBDW', libdw.found())
1933 if xen.found()
1934   # protect from xen.version() having less than three components
1935   xen_version = xen.version().split('.') + ['0', '0']
1936   xen_ctrl_version = xen_version[0] + \
1937     ('0' + xen_version[1]).substring(-2) + \
1938     ('0' + xen_version[2]).substring(-2)
1939   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940 endif
1941 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949 have_coroutine_pool = get_option('coroutine_pool')
1950 if get_option('debug_stack_usage') and have_coroutine_pool
1951   message('Disabling coroutine pool to measure stack usage')
1952   have_coroutine_pool = false
1953 endif
1954 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962 # has_header
1963 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972 if targetos == 'windows'
1973   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974 endif
1975
1976 # has_function
1977 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983 # Note that we need to specify prefix: here to avoid incorrectly
1984 # thinking that Windows has posix_memalign()
1985 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002 if rbd.found()
2003   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                        cc.has_function('rbd_namespace_exists',
2005                                        dependencies: rbd,
2006                                        prefix: '#include <rbd/librbd.h>'))
2007 endif
2008 if rdma.found()
2009   config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                        cc.has_function('ibv_advise_mr',
2011                                        dependencies: rdma,
2012                                        prefix: '#include <infiniband/verbs.h>'))
2013 endif
2014
2015 # has_header_symbol
2016 config_host_data.set('CONFIG_EPOLL_CREATE1',
2017                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2018 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2019                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2020                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2021 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2022                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2023 config_host_data.set('CONFIG_FIEMAP',
2024                      cc.has_header('linux/fiemap.h') and
2025                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2026 config_host_data.set('CONFIG_GETRANDOM',
2027                      cc.has_function('getrandom') and
2028                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2029 config_host_data.set('CONFIG_INOTIFY',
2030                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2031 config_host_data.set('CONFIG_INOTIFY1',
2032                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2033 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2034                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2035 config_host_data.set('CONFIG_RTNETLINK',
2036                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2037 config_host_data.set('CONFIG_SYSMACROS',
2038                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2039 config_host_data.set('HAVE_OPTRESET',
2040                      cc.has_header_symbol('getopt.h', 'optreset'))
2041 config_host_data.set('HAVE_IPPROTO_MPTCP',
2042                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2043
2044 # has_member
2045 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2046                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2047                                    prefix: '#include <signal.h>'))
2048 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2049                      cc.has_member('struct stat', 'st_atim',
2050                                    prefix: '#include <sys/stat.h>'))
2051
2052 # has_type
2053 config_host_data.set('CONFIG_IOVEC',
2054                      cc.has_type('struct iovec',
2055                                  prefix: '#include <sys/uio.h>'))
2056 config_host_data.set('HAVE_UTMPX',
2057                      cc.has_type('struct utmpx',
2058                                  prefix: '#include <utmpx.h>'))
2059
2060 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2061   #include <sys/eventfd.h>
2062   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2063 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2064   #include <unistd.h>
2065   int main(void) {
2066   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2067   return fdatasync(0);
2068   #else
2069   #error Not supported
2070   #endif
2071   }'''))
2072
2073 has_madvise = cc.links(gnu_source_prefix + '''
2074   #include <sys/types.h>
2075   #include <sys/mman.h>
2076   #include <stddef.h>
2077   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2078 missing_madvise_proto = false
2079 if has_madvise
2080   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2081   # but forget to prototype it. In this case, has_madvise will be true (the
2082   # test program links despite a compile warning). To detect the
2083   # missing-prototype case, we try again with a definitely-bogus prototype.
2084   # This will only compile if the system headers don't provide the prototype;
2085   # otherwise the conflicting prototypes will cause a compiler error.
2086   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2087     #include <sys/types.h>
2088     #include <sys/mman.h>
2089     #include <stddef.h>
2090     extern int madvise(int);
2091     int main(void) { return madvise(0); }''')
2092 endif
2093 config_host_data.set('CONFIG_MADVISE', has_madvise)
2094 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2095
2096 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2097   #include <sys/mman.h>
2098   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2099 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2100   #include <fcntl.h>
2101   #if !defined(AT_EMPTY_PATH)
2102   # error missing definition
2103   #else
2104   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2105   #endif'''))
2106 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2107   #include <sys/mman.h>
2108   #include <stddef.h>
2109   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2110
2111 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2112   #include <pthread.h>
2113
2114   static void *f(void *p) { return NULL; }
2115   int main(void)
2116   {
2117     pthread_t thread;
2118     pthread_create(&thread, 0, f, 0);
2119     pthread_setname_np(thread, "QEMU");
2120     return 0;
2121   }''', dependencies: threads))
2122 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2123   #include <pthread.h>
2124
2125   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2126   int main(void)
2127   {
2128     pthread_t thread;
2129     pthread_create(&thread, 0, f, 0);
2130     return 0;
2131   }''', dependencies: threads))
2132 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2133   #include <pthread.h>
2134   #include <time.h>
2135
2136   int main(void)
2137   {
2138     pthread_condattr_t attr
2139     pthread_condattr_init(&attr);
2140     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2141     return 0;
2142   }''', dependencies: threads))
2143 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2144   #include <pthread.h>
2145
2146   static void *f(void *p) { return NULL; }
2147   int main(void)
2148   {
2149     int setsize = CPU_ALLOC_SIZE(64);
2150     pthread_t thread;
2151     cpu_set_t *cpuset;
2152     pthread_create(&thread, 0, f, 0);
2153     cpuset = CPU_ALLOC(64);
2154     CPU_ZERO_S(setsize, cpuset);
2155     pthread_setaffinity_np(thread, setsize, cpuset);
2156     pthread_getaffinity_np(thread, setsize, cpuset);
2157     CPU_FREE(cpuset);
2158     return 0;
2159   }''', dependencies: threads))
2160 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2161   #include <sys/signalfd.h>
2162   #include <stddef.h>
2163   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2164 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2165   #include <unistd.h>
2166   #include <fcntl.h>
2167   #include <limits.h>
2168
2169   int main(void)
2170   {
2171     int len, fd = 0;
2172     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2173     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2174     return 0;
2175   }'''))
2176
2177 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2178   #include <sys/mman.h>
2179   int main(void) {
2180     return mlockall(MCL_FUTURE);
2181   }'''))
2182
2183 have_l2tpv3 = false
2184 if get_option('l2tpv3').allowed() and have_system
2185   have_l2tpv3 = cc.has_type('struct mmsghdr',
2186     prefix: gnu_source_prefix + '''
2187       #include <sys/socket.h>
2188       #include <linux/ip.h>''')
2189 endif
2190 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2191
2192 have_netmap = false
2193 if get_option('netmap').allowed() and have_system
2194   have_netmap = cc.compiles('''
2195     #include <inttypes.h>
2196     #include <net/if.h>
2197     #include <net/netmap.h>
2198     #include <net/netmap_user.h>
2199     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2200     #error
2201     #endif
2202     int main(void) { return 0; }''')
2203   if not have_netmap and get_option('netmap').enabled()
2204     error('Netmap headers not available')
2205   endif
2206 endif
2207 config_host_data.set('CONFIG_NETMAP', have_netmap)
2208
2209 # Work around a system header bug with some kernel/XFS header
2210 # versions where they both try to define 'struct fsxattr':
2211 # xfs headers will not try to redefine structs from linux headers
2212 # if this macro is set.
2213 config_host_data.set('HAVE_FSXATTR', cc.links('''
2214   #include <linux/fs.h>
2215   struct fsxattr foo;
2216   int main(void) {
2217     return 0;
2218   }'''))
2219
2220 # Some versions of Mac OS X incorrectly define SIZE_MAX
2221 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2222     #include <stdint.h>
2223     #include <stdio.h>
2224     int main(void) {
2225         return printf("%zu", SIZE_MAX);
2226     }''', args: ['-Werror']))
2227
2228 atomic_test = '''
2229   #include <stdint.h>
2230   int main(void)
2231   {
2232     @0@ x = 0, y = 0;
2233     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2234     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2235     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2236     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2237     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2238     return 0;
2239   }'''
2240
2241 # See if 64-bit atomic operations are supported.
2242 # Note that without __atomic builtins, we can only
2243 # assume atomic loads/stores max at pointer size.
2244 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2245
2246 has_int128 = cc.links('''
2247   __int128_t a;
2248   __uint128_t b;
2249   int main (void) {
2250     a = a + b;
2251     b = a * b;
2252     a = a * a;
2253     return 0;
2254   }''')
2255
2256 config_host_data.set('CONFIG_INT128', has_int128)
2257
2258 if has_int128
2259   # "do we have 128-bit atomics which are handled inline and specifically not
2260   # via libatomic". The reason we can't use libatomic is documented in the
2261   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2262   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2263
2264   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2265
2266   if not has_atomic128
2267     has_cmpxchg128 = cc.links('''
2268       int main(void)
2269       {
2270         unsigned __int128 x = 0, y = 0;
2271         __sync_val_compare_and_swap_16(&x, y, x);
2272         return 0;
2273       }
2274     ''')
2275
2276     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2277   endif
2278 endif
2279
2280 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2281   #include <sys/auxv.h>
2282   int main(void) {
2283     return getauxval(AT_HWCAP) == 0;
2284   }'''))
2285
2286 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2287   #include <linux/usbdevice_fs.h>
2288
2289   #ifndef USBDEVFS_GET_CAPABILITIES
2290   #error "USBDEVFS_GET_CAPABILITIES undefined"
2291   #endif
2292
2293   #ifndef USBDEVFS_DISCONNECT_CLAIM
2294   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2295   #endif
2296
2297   int main(void) { return 0; }'''))
2298
2299 have_keyring = get_option('keyring') \
2300   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2301   .require(cc.compiles('''
2302     #include <errno.h>
2303     #include <asm/unistd.h>
2304     #include <linux/keyctl.h>
2305     #include <sys/syscall.h>
2306     #include <unistd.h>
2307     int main(void) {
2308         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2309     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2310 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2311
2312 have_cpuid_h = cc.links('''
2313   #include <cpuid.h>
2314   int main(void) {
2315     unsigned a, b, c, d;
2316     unsigned max = __get_cpuid_max(0, 0);
2317
2318     if (max >= 1) {
2319         __cpuid(1, a, b, c, d);
2320     }
2321
2322     if (max >= 7) {
2323         __cpuid_count(7, 0, a, b, c, d);
2324     }
2325
2326     return 0;
2327   }''')
2328 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2329
2330 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2331   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2332   .require(cc.links('''
2333     #include <cpuid.h>
2334     #include <immintrin.h>
2335     static int __attribute__((target("avx2"))) bar(void *a) {
2336       __m256i x = *(__m256i *)a;
2337       return _mm256_testz_si256(x, x);
2338     }
2339     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2340   '''), error_message: 'AVX2 not available').allowed())
2341
2342 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2343   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2344   .require(cc.links('''
2345     #include <cpuid.h>
2346     #include <immintrin.h>
2347     static int __attribute__((target("avx512f"))) bar(void *a) {
2348       __m512i x = *(__m512i *)a;
2349       return _mm512_test_epi64_mask(x, x);
2350     }
2351     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2352   '''), error_message: 'AVX512F not available').allowed())
2353
2354 have_pvrdma = get_option('pvrdma') \
2355   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2356   .require(cc.compiles(gnu_source_prefix + '''
2357     #include <sys/mman.h>
2358     int main(void)
2359     {
2360       char buf = 0;
2361       void *addr = &buf;
2362       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2363
2364       return 0;
2365     }'''), error_message: 'PVRDMA requires mremap').allowed()
2366
2367 if have_pvrdma
2368   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2369     #include <infiniband/verbs.h>
2370     int main(void)
2371     {
2372       struct ibv_mr *mr;
2373       struct ibv_pd *pd = NULL;
2374       size_t length = 10;
2375       uint64_t iova = 0;
2376       int access = 0;
2377       void *addr = NULL;
2378
2379       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2380       ibv_dereg_mr(mr);
2381       return 0;
2382     }'''))
2383 endif
2384
2385 if get_option('membarrier').disabled()
2386   have_membarrier = false
2387 elif targetos == 'windows'
2388   have_membarrier = true
2389 elif targetos == 'linux'
2390   have_membarrier = cc.compiles('''
2391     #include <linux/membarrier.h>
2392     #include <sys/syscall.h>
2393     #include <unistd.h>
2394     #include <stdlib.h>
2395     int main(void) {
2396         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2397         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2398         exit(0);
2399     }''')
2400 endif
2401 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2402   .require(have_membarrier, error_message: 'membarrier system call not available') \
2403   .allowed())
2404
2405 have_afalg = get_option('crypto_afalg') \
2406   .require(cc.compiles(gnu_source_prefix + '''
2407     #include <errno.h>
2408     #include <sys/types.h>
2409     #include <sys/socket.h>
2410     #include <linux/if_alg.h>
2411     int main(void) {
2412       int sock;
2413       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2414       return sock;
2415     }
2416   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2417 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2418
2419 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2420   'linux/vm_sockets.h', 'AF_VSOCK',
2421   prefix: '#include <sys/socket.h>',
2422 ))
2423
2424 have_vss = false
2425 have_vss_sdk = false # old xp/2003 SDK
2426 if targetos == 'windows' and link_language == 'cpp'
2427   have_vss = cxx.compiles('''
2428     #define __MIDL_user_allocate_free_DEFINED__
2429     #include <vss.h>
2430     int main(void) { return VSS_CTX_BACKUP; }''')
2431   have_vss_sdk = cxx.has_header('vscoordint.h')
2432 endif
2433 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2434
2435 foreach k, v: config_host
2436   if k.startswith('CONFIG_')
2437     config_host_data.set(k, v == 'y' ? 1 : v)
2438   endif
2439 endforeach
2440
2441 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2442 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2443 if targetos == 'windows'
2444   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2445     #include <stdio.h>
2446     int main(void) {
2447       _lock_file(NULL);
2448       _unlock_file(NULL);
2449       return 0;
2450     }''', name: '_lock_file and _unlock_file'))
2451 endif
2452
2453 ########################
2454 # Target configuration #
2455 ########################
2456
2457 minikconf = find_program('scripts/minikconf.py')
2458 config_all = {}
2459 config_all_devices = {}
2460 config_all_disas = {}
2461 config_devices_mak_list = []
2462 config_devices_h = {}
2463 config_target_h = {}
2464 config_target_mak = {}
2465
2466 disassemblers = {
2467   'alpha' : ['CONFIG_ALPHA_DIS'],
2468   'avr' : ['CONFIG_AVR_DIS'],
2469   'cris' : ['CONFIG_CRIS_DIS'],
2470   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2471   'hppa' : ['CONFIG_HPPA_DIS'],
2472   'i386' : ['CONFIG_I386_DIS'],
2473   'x86_64' : ['CONFIG_I386_DIS'],
2474   'm68k' : ['CONFIG_M68K_DIS'],
2475   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2476   'mips' : ['CONFIG_MIPS_DIS'],
2477   'nios2' : ['CONFIG_NIOS2_DIS'],
2478   'or1k' : ['CONFIG_OPENRISC_DIS'],
2479   'ppc' : ['CONFIG_PPC_DIS'],
2480   'riscv' : ['CONFIG_RISCV_DIS'],
2481   'rx' : ['CONFIG_RX_DIS'],
2482   's390' : ['CONFIG_S390_DIS'],
2483   'sh4' : ['CONFIG_SH4_DIS'],
2484   'sparc' : ['CONFIG_SPARC_DIS'],
2485   'xtensa' : ['CONFIG_XTENSA_DIS'],
2486   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2487 }
2488
2489 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2490 host_kconfig = \
2491   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2492   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2493   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2494   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2495   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2496   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2497   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2498   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2499   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2500   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2501   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2502   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2503   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2504   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2505
2506 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2507
2508 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2509 actual_target_dirs = []
2510 fdt_required = []
2511 foreach target : target_dirs
2512   config_target = { 'TARGET_NAME': target.split('-')[0] }
2513   if target.endswith('linux-user')
2514     if targetos != 'linux'
2515       if default_targets
2516         continue
2517       endif
2518       error('Target @0@ is only available on a Linux host'.format(target))
2519     endif
2520     config_target += { 'CONFIG_LINUX_USER': 'y' }
2521   elif target.endswith('bsd-user')
2522     if 'CONFIG_BSD' not in config_host
2523       if default_targets
2524         continue
2525       endif
2526       error('Target @0@ is only available on a BSD host'.format(target))
2527     endif
2528     config_target += { 'CONFIG_BSD_USER': 'y' }
2529   elif target.endswith('softmmu')
2530     config_target += { 'CONFIG_SOFTMMU': 'y' }
2531   endif
2532   if target.endswith('-user')
2533     config_target += {
2534       'CONFIG_USER_ONLY': 'y',
2535       'CONFIG_QEMU_INTERP_PREFIX':
2536         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2537     }
2538   endif
2539
2540   accel_kconfig = []
2541   foreach sym: accelerators
2542     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2543       config_target += { sym: 'y' }
2544       config_all += { sym: 'y' }
2545       if target in modular_tcg
2546         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2547       else
2548         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2549       endif
2550       accel_kconfig += [ sym + '=y' ]
2551     endif
2552   endforeach
2553   if accel_kconfig.length() == 0
2554     if default_targets
2555       continue
2556     endif
2557     error('No accelerator available for target @0@'.format(target))
2558   endif
2559
2560   actual_target_dirs += target
2561   config_target += keyval.load('configs/targets' / target + '.mak')
2562   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2563
2564   if 'TARGET_NEED_FDT' in config_target
2565     fdt_required += target
2566   endif
2567
2568   # Add default keys
2569   if 'TARGET_BASE_ARCH' not in config_target
2570     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2571   endif
2572   if 'TARGET_ABI_DIR' not in config_target
2573     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2574   endif
2575   if 'TARGET_BIG_ENDIAN' not in config_target
2576     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2577   endif
2578
2579   foreach k, v: disassemblers
2580     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2581       foreach sym: v
2582         config_target += { sym: 'y' }
2583         config_all_disas += { sym: 'y' }
2584       endforeach
2585     endif
2586   endforeach
2587
2588   config_target_data = configuration_data()
2589   foreach k, v: config_target
2590     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2591       # do nothing
2592     elif ignored.contains(k)
2593       # do nothing
2594     elif k == 'TARGET_BASE_ARCH'
2595       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2596       # not used to select files from sourcesets.
2597       config_target_data.set('TARGET_' + v.to_upper(), 1)
2598     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2599       config_target_data.set_quoted(k, v)
2600     elif v == 'y'
2601       config_target_data.set(k, 1)
2602     elif v == 'n'
2603       config_target_data.set(k, 0)
2604     else
2605       config_target_data.set(k, v)
2606     endif
2607   endforeach
2608   config_target_data.set('QEMU_ARCH',
2609                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2610   config_target_h += {target: configure_file(output: target + '-config-target.h',
2611                                                configuration: config_target_data)}
2612
2613   if target.endswith('-softmmu')
2614     config_input = meson.get_external_property(target, 'default')
2615     config_devices_mak = target + '-config-devices.mak'
2616     config_devices_mak = configure_file(
2617       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2618       output: config_devices_mak,
2619       depfile: config_devices_mak + '.d',
2620       capture: true,
2621       command: [minikconf,
2622                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2623                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2624                 host_kconfig, accel_kconfig,
2625                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2626
2627     config_devices_data = configuration_data()
2628     config_devices = keyval.load(config_devices_mak)
2629     foreach k, v: config_devices
2630       config_devices_data.set(k, 1)
2631     endforeach
2632     config_devices_mak_list += config_devices_mak
2633     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2634                                                 configuration: config_devices_data)}
2635     config_target += config_devices
2636     config_all_devices += config_devices
2637   endif
2638   config_target_mak += {target: config_target}
2639 endforeach
2640 target_dirs = actual_target_dirs
2641
2642 # This configuration is used to build files that are shared by
2643 # multiple binaries, and then extracted out of the "common"
2644 # static_library target.
2645 #
2646 # We do not use all_sources()/all_dependencies(), because it would
2647 # build literally all source files, including devices only used by
2648 # targets that are not built for this compilation.  The CONFIG_ALL
2649 # pseudo symbol replaces it.
2650
2651 config_all += config_all_devices
2652 config_all += config_host
2653 config_all += config_all_disas
2654 config_all += {
2655   'CONFIG_XEN': xen.found(),
2656   'CONFIG_SOFTMMU': have_system,
2657   'CONFIG_USER_ONLY': have_user,
2658   'CONFIG_ALL': true,
2659 }
2660
2661 target_configs_h = []
2662 foreach target: target_dirs
2663   target_configs_h += config_target_h[target]
2664   target_configs_h += config_devices_h.get(target, [])
2665 endforeach
2666 genh += custom_target('config-poison.h',
2667                       input: [target_configs_h],
2668                       output: 'config-poison.h',
2669                       capture: true,
2670                       command: [find_program('scripts/make-config-poison.sh'),
2671                                 target_configs_h])
2672
2673 ##############
2674 # Submodules #
2675 ##############
2676
2677 capstone = not_found
2678 if not get_option('capstone').auto() or have_system or have_user
2679   capstone = dependency('capstone', version: '>=3.0.5',
2680                         kwargs: static_kwargs, method: 'pkg-config',
2681                         required: get_option('capstone'))
2682
2683   # Some versions of capstone have broken pkg-config file
2684   # that reports a wrong -I path, causing the #include to
2685   # fail later. If the system has such a broken version
2686   # do not use it.
2687   if capstone.found() and not cc.compiles('#include <capstone.h>',
2688                                           dependencies: [capstone])
2689     capstone = not_found
2690     if get_option('capstone').enabled()
2691       error('capstone requested, but it does not appear to work')
2692     endif
2693   endif
2694 endif
2695
2696 libvfio_user_dep = not_found
2697 if have_system and vfio_user_server_allowed
2698   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2699
2700   if not have_internal
2701     error('libvfio-user source not found - please pull git submodule')
2702   endif
2703
2704   libvfio_user_proj = subproject('libvfio-user')
2705
2706   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2707
2708   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2709 endif
2710
2711 fdt = not_found
2712 if have_system
2713   fdt_opt = get_option('fdt')
2714   if fdt_opt in ['enabled', 'auto', 'system']
2715     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2716     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2717                           required: fdt_opt == 'system' or
2718                                     fdt_opt == 'enabled' and not have_internal)
2719     if fdt.found() and cc.links('''
2720        #include <libfdt.h>
2721        #include <libfdt_env.h>
2722        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2723          dependencies: fdt)
2724       fdt_opt = 'system'
2725     elif fdt_opt == 'system'
2726        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2727     elif have_internal
2728       fdt_opt = 'internal'
2729     else
2730       fdt_opt = 'disabled'
2731       fdt = not_found
2732     endif
2733   endif
2734   if fdt_opt == 'internal'
2735     fdt_files = files(
2736       'dtc/libfdt/fdt.c',
2737       'dtc/libfdt/fdt_ro.c',
2738       'dtc/libfdt/fdt_wip.c',
2739       'dtc/libfdt/fdt_sw.c',
2740       'dtc/libfdt/fdt_rw.c',
2741       'dtc/libfdt/fdt_strerror.c',
2742       'dtc/libfdt/fdt_empty_tree.c',
2743       'dtc/libfdt/fdt_addresses.c',
2744       'dtc/libfdt/fdt_overlay.c',
2745       'dtc/libfdt/fdt_check.c',
2746     )
2747
2748     fdt_inc = include_directories('dtc/libfdt')
2749     libfdt = static_library('fdt',
2750                             build_by_default: false,
2751                             sources: fdt_files,
2752                             include_directories: fdt_inc)
2753     fdt = declare_dependency(link_with: libfdt,
2754                              include_directories: fdt_inc)
2755   endif
2756 else
2757   fdt_opt = 'disabled'
2758 endif
2759 if not fdt.found() and fdt_required.length() > 0
2760   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2761 endif
2762
2763 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2764 config_host_data.set('CONFIG_FDT', fdt.found())
2765 config_host_data.set('CONFIG_SLIRP', slirp.found())
2766
2767 #####################
2768 # Generated sources #
2769 #####################
2770
2771 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2772
2773 hxtool = find_program('scripts/hxtool')
2774 shaderinclude = find_program('scripts/shaderinclude.py')
2775 qapi_gen = find_program('scripts/qapi-gen.py')
2776 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2777                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2778                      meson.current_source_dir() / 'scripts/qapi/common.py',
2779                      meson.current_source_dir() / 'scripts/qapi/error.py',
2780                      meson.current_source_dir() / 'scripts/qapi/events.py',
2781                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2782                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2783                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2784                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2785                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2786                      meson.current_source_dir() / 'scripts/qapi/source.py',
2787                      meson.current_source_dir() / 'scripts/qapi/types.py',
2788                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2789                      meson.current_source_dir() / 'scripts/qapi/common.py',
2790                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2791 ]
2792
2793 tracetool = [
2794   python, files('scripts/tracetool.py'),
2795    '--backend=' + ','.join(get_option('trace_backends'))
2796 ]
2797 tracetool_depends = files(
2798   'scripts/tracetool/backend/log.py',
2799   'scripts/tracetool/backend/__init__.py',
2800   'scripts/tracetool/backend/dtrace.py',
2801   'scripts/tracetool/backend/ftrace.py',
2802   'scripts/tracetool/backend/simple.py',
2803   'scripts/tracetool/backend/syslog.py',
2804   'scripts/tracetool/backend/ust.py',
2805   'scripts/tracetool/format/ust_events_c.py',
2806   'scripts/tracetool/format/ust_events_h.py',
2807   'scripts/tracetool/format/__init__.py',
2808   'scripts/tracetool/format/d.py',
2809   'scripts/tracetool/format/simpletrace_stap.py',
2810   'scripts/tracetool/format/c.py',
2811   'scripts/tracetool/format/h.py',
2812   'scripts/tracetool/format/log_stap.py',
2813   'scripts/tracetool/format/stap.py',
2814   'scripts/tracetool/__init__.py',
2815   'scripts/tracetool/transform.py',
2816   'scripts/tracetool/vcpu.py'
2817 )
2818
2819 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2820                     meson.current_source_dir(),
2821                     get_option('pkgversion'), meson.project_version()]
2822 qemu_version = custom_target('qemu-version.h',
2823                              output: 'qemu-version.h',
2824                              command: qemu_version_cmd,
2825                              capture: true,
2826                              build_by_default: true,
2827                              build_always_stale: true)
2828 genh += qemu_version
2829
2830 hxdep = []
2831 hx_headers = [
2832   ['qemu-options.hx', 'qemu-options.def'],
2833   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2834 ]
2835 if have_system
2836   hx_headers += [
2837     ['hmp-commands.hx', 'hmp-commands.h'],
2838     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2839   ]
2840 endif
2841 foreach d : hx_headers
2842   hxdep += custom_target(d[1],
2843                 input: files(d[0]),
2844                 output: d[1],
2845                 capture: true,
2846                 build_by_default: true, # to be removed when added to a target
2847                 command: [hxtool, '-h', '@INPUT0@'])
2848 endforeach
2849 genh += hxdep
2850
2851 ###################
2852 # Collect sources #
2853 ###################
2854
2855 authz_ss = ss.source_set()
2856 blockdev_ss = ss.source_set()
2857 block_ss = ss.source_set()
2858 chardev_ss = ss.source_set()
2859 common_ss = ss.source_set()
2860 crypto_ss = ss.source_set()
2861 hwcore_ss = ss.source_set()
2862 io_ss = ss.source_set()
2863 qmp_ss = ss.source_set()
2864 qom_ss = ss.source_set()
2865 softmmu_ss = ss.source_set()
2866 specific_fuzz_ss = ss.source_set()
2867 specific_ss = ss.source_set()
2868 stub_ss = ss.source_set()
2869 trace_ss = ss.source_set()
2870 user_ss = ss.source_set()
2871 util_ss = ss.source_set()
2872
2873 # accel modules
2874 qtest_module_ss = ss.source_set()
2875 tcg_module_ss = ss.source_set()
2876
2877 modules = {}
2878 target_modules = {}
2879 hw_arch = {}
2880 target_arch = {}
2881 target_softmmu_arch = {}
2882 target_user_arch = {}
2883
2884 ###############
2885 # Trace files #
2886 ###############
2887
2888 # TODO: add each directory to the subdirs from its own meson.build, once
2889 # we have those
2890 trace_events_subdirs = [
2891   'crypto',
2892   'qapi',
2893   'qom',
2894   'monitor',
2895   'util',
2896   'gdbstub',
2897 ]
2898 if have_linux_user
2899   trace_events_subdirs += [ 'linux-user' ]
2900 endif
2901 if have_bsd_user
2902   trace_events_subdirs += [ 'bsd-user' ]
2903 endif
2904 if have_block
2905   trace_events_subdirs += [
2906     'authz',
2907     'block',
2908     'io',
2909     'nbd',
2910     'scsi',
2911   ]
2912 endif
2913 if have_system
2914   trace_events_subdirs += [
2915     'accel/kvm',
2916     'audio',
2917     'backends',
2918     'backends/tpm',
2919     'chardev',
2920     'ebpf',
2921     'hw/9pfs',
2922     'hw/acpi',
2923     'hw/adc',
2924     'hw/alpha',
2925     'hw/arm',
2926     'hw/audio',
2927     'hw/block',
2928     'hw/block/dataplane',
2929     'hw/char',
2930     'hw/display',
2931     'hw/dma',
2932     'hw/hyperv',
2933     'hw/i2c',
2934     'hw/i386',
2935     'hw/i386/xen',
2936     'hw/ide',
2937     'hw/input',
2938     'hw/intc',
2939     'hw/isa',
2940     'hw/mem',
2941     'hw/mips',
2942     'hw/misc',
2943     'hw/misc/macio',
2944     'hw/net',
2945     'hw/net/can',
2946     'hw/nubus',
2947     'hw/nvme',
2948     'hw/nvram',
2949     'hw/pci',
2950     'hw/pci-host',
2951     'hw/ppc',
2952     'hw/rdma',
2953     'hw/rdma/vmw',
2954     'hw/rtc',
2955     'hw/s390x',
2956     'hw/scsi',
2957     'hw/sd',
2958     'hw/sh4',
2959     'hw/sparc',
2960     'hw/sparc64',
2961     'hw/ssi',
2962     'hw/timer',
2963     'hw/tpm',
2964     'hw/usb',
2965     'hw/vfio',
2966     'hw/virtio',
2967     'hw/watchdog',
2968     'hw/xen',
2969     'hw/gpio',
2970     'migration',
2971     'net',
2972     'softmmu',
2973     'ui',
2974     'hw/remote',
2975   ]
2976 endif
2977 if have_system or have_user
2978   trace_events_subdirs += [
2979     'accel/tcg',
2980     'hw/core',
2981     'target/arm',
2982     'target/arm/hvf',
2983     'target/hppa',
2984     'target/i386',
2985     'target/i386/kvm',
2986     'target/mips/tcg',
2987     'target/nios2',
2988     'target/ppc',
2989     'target/riscv',
2990     'target/s390x',
2991     'target/s390x/kvm',
2992     'target/sparc',
2993   ]
2994 endif
2995
2996 vhost_user = not_found
2997 if targetos == 'linux' and have_vhost_user
2998   libvhost_user = subproject('libvhost-user')
2999   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3000 endif
3001
3002 libvduse = not_found
3003 if have_libvduse
3004   libvduse_proj = subproject('libvduse')
3005   libvduse = libvduse_proj.get_variable('libvduse_dep')
3006 endif
3007
3008 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3009 # that is filled in by qapi/.
3010 subdir('qapi')
3011 subdir('qobject')
3012 subdir('stubs')
3013 subdir('trace')
3014 subdir('util')
3015 subdir('qom')
3016 subdir('authz')
3017 subdir('crypto')
3018 subdir('ui')
3019 subdir('hw')
3020 subdir('gdbstub')
3021
3022
3023 if enable_modules
3024   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3025   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3026 endif
3027
3028 qom_ss = qom_ss.apply(config_host, strict: false)
3029 libqom = static_library('qom', qom_ss.sources() + genh,
3030                         dependencies: [qom_ss.dependencies()],
3031                         name_suffix: 'fa')
3032 qom = declare_dependency(link_whole: libqom)
3033
3034 event_loop_base = files('event-loop-base.c')
3035 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3036                                  build_by_default: true)
3037 event_loop_base = declare_dependency(link_whole: event_loop_base,
3038                                      dependencies: [qom])
3039
3040 stub_ss = stub_ss.apply(config_all, strict: false)
3041
3042 util_ss.add_all(trace_ss)
3043 util_ss = util_ss.apply(config_all, strict: false)
3044 libqemuutil = static_library('qemuutil',
3045                              sources: util_ss.sources() + stub_ss.sources() + genh,
3046                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3047 qemuutil = declare_dependency(link_with: libqemuutil,
3048                               sources: genh + version_res,
3049                               dependencies: [event_loop_base])
3050
3051 if have_system or have_user
3052   decodetree = generator(find_program('scripts/decodetree.py'),
3053                          output: 'decode-@BASENAME@.c.inc',
3054                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3055   subdir('libdecnumber')
3056   subdir('target')
3057 endif
3058
3059 subdir('audio')
3060 subdir('io')
3061 subdir('chardev')
3062 subdir('fsdev')
3063 subdir('dump')
3064
3065 if have_block
3066   block_ss.add(files(
3067     'block.c',
3068     'blockjob.c',
3069     'job.c',
3070     'qemu-io-cmds.c',
3071   ))
3072   if config_host_data.get('CONFIG_REPLICATION')
3073     block_ss.add(files('replication.c'))
3074   endif
3075
3076   subdir('nbd')
3077   subdir('scsi')
3078   subdir('block')
3079
3080   blockdev_ss.add(files(
3081     'blockdev.c',
3082     'blockdev-nbd.c',
3083     'iothread.c',
3084     'job-qmp.c',
3085   ), gnutls)
3086
3087   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3088   # os-win32.c does not
3089   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3090   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3091 endif
3092
3093 common_ss.add(files('cpus-common.c'))
3094
3095 subdir('softmmu')
3096
3097 common_ss.add(capstone)
3098 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3099
3100 # Work around a gcc bug/misfeature wherein constant propagation looks
3101 # through an alias:
3102 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3103 # to guess that a const variable is always zero.  Without lto, this is
3104 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3105 # without lto, not even the alias is required -- we simply use different
3106 # declarations in different compilation units.
3107 pagevary = files('page-vary-common.c')
3108 if get_option('b_lto')
3109   pagevary_flags = ['-fno-lto']
3110   if get_option('cfi')
3111     pagevary_flags += '-fno-sanitize=cfi-icall'
3112   endif
3113   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3114                             c_args: pagevary_flags)
3115   pagevary = declare_dependency(link_with: pagevary)
3116 endif
3117 common_ss.add(pagevary)
3118 specific_ss.add(files('page-vary.c'))
3119
3120 subdir('backends')
3121 subdir('disas')
3122 subdir('migration')
3123 subdir('monitor')
3124 subdir('net')
3125 subdir('replay')
3126 subdir('semihosting')
3127 subdir('stats')
3128 subdir('tcg')
3129 subdir('fpu')
3130 subdir('accel')
3131 subdir('plugins')
3132 subdir('ebpf')
3133
3134 common_user_inc = []
3135
3136 subdir('common-user')
3137 subdir('bsd-user')
3138 subdir('linux-user')
3139
3140 # needed for fuzzing binaries
3141 subdir('tests/qtest/libqos')
3142 subdir('tests/qtest/fuzz')
3143
3144 # accel modules
3145 tcg_real_module_ss = ss.source_set()
3146 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3147 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3148 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3149                                 'tcg': tcg_real_module_ss }}
3150
3151 ########################
3152 # Library dependencies #
3153 ########################
3154
3155 modinfo_collect = find_program('scripts/modinfo-collect.py')
3156 modinfo_generate = find_program('scripts/modinfo-generate.py')
3157 modinfo_files = []
3158
3159 block_mods = []
3160 softmmu_mods = []
3161 foreach d, list : modules
3162   foreach m, module_ss : list
3163     if enable_modules and targetos != 'windows'
3164       module_ss = module_ss.apply(config_all, strict: false)
3165       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3166                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3167       if d == 'block'
3168         block_mods += sl
3169       else
3170         softmmu_mods += sl
3171       endif
3172       if module_ss.sources() != []
3173         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3174         # input. Sources can be used multiple times but objects are
3175         # unique when it comes to lookup in compile_commands.json.
3176         # Depnds on a mesion version with
3177         # https://github.com/mesonbuild/meson/pull/8900
3178         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3179                                        output: d + '-' + m + '.modinfo',
3180                                        input: module_ss.sources() + genh,
3181                                        capture: true,
3182                                        command: [modinfo_collect, module_ss.sources()])
3183       endif
3184     else
3185       if d == 'block'
3186         block_ss.add_all(module_ss)
3187       else
3188         softmmu_ss.add_all(module_ss)
3189       endif
3190     endif
3191   endforeach
3192 endforeach
3193
3194 foreach d, list : target_modules
3195   foreach m, module_ss : list
3196     if enable_modules and targetos != 'windows'
3197       foreach target : target_dirs
3198         if target.endswith('-softmmu')
3199           config_target = config_target_mak[target]
3200           config_target += config_host
3201           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3202           c_args = ['-DNEED_CPU_H',
3203                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3204                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3205           target_module_ss = module_ss.apply(config_target, strict: false)
3206           if target_module_ss.sources() != []
3207             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3208             sl = static_library(module_name,
3209                                 [genh, target_module_ss.sources()],
3210                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3211                                 include_directories: target_inc,
3212                                 c_args: c_args,
3213                                 pic: true)
3214             softmmu_mods += sl
3215             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3216             modinfo_files += custom_target(module_name + '.modinfo',
3217                                            output: module_name + '.modinfo',
3218                                            input: target_module_ss.sources() + genh,
3219                                            capture: true,
3220                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3221           endif
3222         endif
3223       endforeach
3224     else
3225       specific_ss.add_all(module_ss)
3226     endif
3227   endforeach
3228 endforeach
3229
3230 if enable_modules
3231   foreach target : target_dirs
3232     if target.endswith('-softmmu')
3233       config_target = config_target_mak[target]
3234       config_devices_mak = target + '-config-devices.mak'
3235       modinfo_src = custom_target('modinfo-' + target + '.c',
3236                                   output: 'modinfo-' + target + '.c',
3237                                   input: modinfo_files,
3238                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3239                                   capture: true)
3240
3241       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3242       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3243
3244       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3245       hw_arch[arch].add(modinfo_dep)
3246     endif
3247   endforeach
3248 endif
3249
3250 nm = find_program('nm')
3251 undefsym = find_program('scripts/undefsym.py')
3252 block_syms = custom_target('block.syms', output: 'block.syms',
3253                              input: [libqemuutil, block_mods],
3254                              capture: true,
3255                              command: [undefsym, nm, '@INPUT@'])
3256 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3257                              input: [libqemuutil, softmmu_mods],
3258                              capture: true,
3259                              command: [undefsym, nm, '@INPUT@'])
3260
3261 authz_ss = authz_ss.apply(config_host, strict: false)
3262 libauthz = static_library('authz', authz_ss.sources() + genh,
3263                           dependencies: [authz_ss.dependencies()],
3264                           name_suffix: 'fa',
3265                           build_by_default: false)
3266
3267 authz = declare_dependency(link_whole: libauthz,
3268                            dependencies: qom)
3269
3270 crypto_ss = crypto_ss.apply(config_host, strict: false)
3271 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3272                            dependencies: [crypto_ss.dependencies()],
3273                            name_suffix: 'fa',
3274                            build_by_default: false)
3275
3276 crypto = declare_dependency(link_whole: libcrypto,
3277                             dependencies: [authz, qom])
3278
3279 io_ss = io_ss.apply(config_host, strict: false)
3280 libio = static_library('io', io_ss.sources() + genh,
3281                        dependencies: [io_ss.dependencies()],
3282                        link_with: libqemuutil,
3283                        name_suffix: 'fa',
3284                        build_by_default: false)
3285
3286 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3287
3288 libmigration = static_library('migration', sources: migration_files + genh,
3289                               name_suffix: 'fa',
3290                               build_by_default: false)
3291 migration = declare_dependency(link_with: libmigration,
3292                                dependencies: [zlib, qom, io])
3293 softmmu_ss.add(migration)
3294
3295 block_ss = block_ss.apply(config_host, strict: false)
3296 libblock = static_library('block', block_ss.sources() + genh,
3297                           dependencies: block_ss.dependencies(),
3298                           link_depends: block_syms,
3299                           name_suffix: 'fa',
3300                           build_by_default: false)
3301
3302 block = declare_dependency(link_whole: [libblock],
3303                            link_args: '@block.syms',
3304                            dependencies: [crypto, io])
3305
3306 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3307 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3308                              dependencies: blockdev_ss.dependencies(),
3309                              name_suffix: 'fa',
3310                              build_by_default: false)
3311
3312 blockdev = declare_dependency(link_whole: [libblockdev],
3313                               dependencies: [block, event_loop_base])
3314
3315 qmp_ss = qmp_ss.apply(config_host, strict: false)
3316 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3317                         dependencies: qmp_ss.dependencies(),
3318                         name_suffix: 'fa',
3319                         build_by_default: false)
3320
3321 qmp = declare_dependency(link_whole: [libqmp])
3322
3323 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3324                             name_suffix: 'fa',
3325                             dependencies: chardev_ss.dependencies(),
3326                             build_by_default: false)
3327
3328 chardev = declare_dependency(link_whole: libchardev)
3329
3330 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3331 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3332                            name_suffix: 'fa',
3333                            build_by_default: false)
3334 hwcore = declare_dependency(link_whole: libhwcore)
3335 common_ss.add(hwcore)
3336
3337 ###########
3338 # Targets #
3339 ###########
3340
3341 emulator_modules = []
3342 foreach m : block_mods + softmmu_mods
3343   emulator_modules += shared_module(m.name(),
3344                 build_by_default: true,
3345                 name_prefix: '',
3346                 link_whole: m,
3347                 install: true,
3348                 install_dir: qemu_moddir)
3349 endforeach
3350 if emulator_modules.length() > 0
3351   alias_target('modules', emulator_modules)
3352 endif
3353
3354 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355 common_ss.add(qom, qemuutil)
3356
3357 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3359
3360 common_all = common_ss.apply(config_all, strict: false)
3361 common_all = static_library('common',
3362                             build_by_default: false,
3363                             sources: common_all.sources() + genh,
3364                             include_directories: common_user_inc,
3365                             implicit_include_directories: false,
3366                             dependencies: common_all.dependencies(),
3367                             name_suffix: 'fa')
3368
3369 feature_to_c = find_program('scripts/feature_to_c.sh')
3370
3371 if targetos == 'darwin'
3372   entitlement = find_program('scripts/entitlement.sh')
3373 endif
3374
3375 emulators = {}
3376 foreach target : target_dirs
3377   config_target = config_target_mak[target]
3378   target_name = config_target['TARGET_NAME']
3379   target_base_arch = config_target['TARGET_BASE_ARCH']
3380   arch_srcs = [config_target_h[target]]
3381   arch_deps = []
3382   c_args = ['-DNEED_CPU_H',
3383             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3384             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3385   link_args = emulator_link_args
3386
3387   config_target += config_host
3388   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389   if targetos == 'linux'
3390     target_inc += include_directories('linux-headers', is_system: true)
3391   endif
3392   if target.endswith('-softmmu')
3393     target_type='system'
3394     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3395     arch_srcs += t.sources()
3396     arch_deps += t.dependencies()
3397
3398     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3399     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3400     arch_srcs += hw.sources()
3401     arch_deps += hw.dependencies()
3402
3403     arch_srcs += config_devices_h[target]
3404     link_args += ['@block.syms', '@qemu.syms']
3405   else
3406     abi = config_target['TARGET_ABI_DIR']
3407     target_type='user'
3408     target_inc += common_user_inc
3409     if target_base_arch in target_user_arch
3410       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3411       arch_srcs += t.sources()
3412       arch_deps += t.dependencies()
3413     endif
3414     if 'CONFIG_LINUX_USER' in config_target
3415       base_dir = 'linux-user'
3416     endif
3417     if 'CONFIG_BSD_USER' in config_target
3418       base_dir = 'bsd-user'
3419       target_inc += include_directories('bsd-user/' / targetos)
3420       target_inc += include_directories('bsd-user/host/' / host_arch)
3421       dir = base_dir / abi
3422       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3423     endif
3424     target_inc += include_directories(
3425       base_dir,
3426       base_dir / abi,
3427     )
3428     if 'CONFIG_LINUX_USER' in config_target
3429       dir = base_dir / abi
3430       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3431       if config_target.has_key('TARGET_SYSTBL_ABI')
3432         arch_srcs += \
3433           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3434                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3435       endif
3436     endif
3437   endif
3438
3439   if 'TARGET_XML_FILES' in config_target
3440     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3441                                 output: target + '-gdbstub-xml.c',
3442                                 input: files(config_target['TARGET_XML_FILES'].split()),
3443                                 command: [feature_to_c, '@INPUT@'],
3444                                 capture: true)
3445     arch_srcs += gdbstub_xml
3446   endif
3447
3448   t = target_arch[target_base_arch].apply(config_target, strict: false)
3449   arch_srcs += t.sources()
3450   arch_deps += t.dependencies()
3451
3452   target_common = common_ss.apply(config_target, strict: false)
3453   objects = common_all.extract_objects(target_common.sources())
3454   deps = target_common.dependencies()
3455
3456   target_specific = specific_ss.apply(config_target, strict: false)
3457   arch_srcs += target_specific.sources()
3458   arch_deps += target_specific.dependencies()
3459
3460   lib = static_library('qemu-' + target,
3461                  sources: arch_srcs + genh,
3462                  dependencies: arch_deps,
3463                  objects: objects,
3464                  include_directories: target_inc,
3465                  c_args: c_args,
3466                  build_by_default: false,
3467                  name_suffix: 'fa')
3468
3469   if target.endswith('-softmmu')
3470     execs = [{
3471       'name': 'qemu-system-' + target_name,
3472       'win_subsystem': 'console',
3473       'sources': files('softmmu/main.c'),
3474       'dependencies': []
3475     }]
3476     if targetos == 'windows' and (sdl.found() or gtk.found())
3477       execs += [{
3478         'name': 'qemu-system-' + target_name + 'w',
3479         'win_subsystem': 'windows',
3480         'sources': files('softmmu/main.c'),
3481         'dependencies': []
3482       }]
3483     endif
3484     if get_option('fuzzing')
3485       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3486       execs += [{
3487         'name': 'qemu-fuzz-' + target_name,
3488         'win_subsystem': 'console',
3489         'sources': specific_fuzz.sources(),
3490         'dependencies': specific_fuzz.dependencies(),
3491       }]
3492     endif
3493   else
3494     execs = [{
3495       'name': 'qemu-' + target_name,
3496       'win_subsystem': 'console',
3497       'sources': [],
3498       'dependencies': []
3499     }]
3500   endif
3501   foreach exe: execs
3502     exe_name = exe['name']
3503     if targetos == 'darwin'
3504       exe_name += '-unsigned'
3505     endif
3506
3507     emulator = executable(exe_name, exe['sources'],
3508                install: true,
3509                c_args: c_args,
3510                dependencies: arch_deps + deps + exe['dependencies'],
3511                objects: lib.extract_all_objects(recursive: true),
3512                link_language: link_language,
3513                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3514                link_args: link_args,
3515                win_subsystem: exe['win_subsystem'])
3516
3517     if targetos == 'darwin'
3518       icon = 'pc-bios/qemu.rsrc'
3519       build_input = [emulator, files(icon)]
3520       install_input = [
3521         get_option('bindir') / exe_name,
3522         meson.current_source_dir() / icon
3523       ]
3524       if 'CONFIG_HVF' in config_target
3525         entitlements = 'accel/hvf/entitlements.plist'
3526         build_input += files(entitlements)
3527         install_input += meson.current_source_dir() / entitlements
3528       endif
3529
3530       emulators += {exe['name'] : custom_target(exe['name'],
3531                    input: build_input,
3532                    output: exe['name'],
3533                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3534       }
3535
3536       meson.add_install_script(entitlement, '--install',
3537                                get_option('bindir') / exe['name'],
3538                                install_input)
3539     else
3540       emulators += {exe['name']: emulator}
3541     endif
3542
3543     if stap.found()
3544       foreach stp: [
3545         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3546         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3547         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3548         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3549       ]
3550         custom_target(exe['name'] + stp['ext'],
3551                       input: trace_events_all,
3552                       output: exe['name'] + stp['ext'],
3553                       install: stp['install'],
3554                       install_dir: get_option('datadir') / 'systemtap/tapset',
3555                       command: [
3556                         tracetool, '--group=all', '--format=' + stp['fmt'],
3557                         '--binary=' + stp['bin'],
3558                         '--target-name=' + target_name,
3559                         '--target-type=' + target_type,
3560                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3561                         '@INPUT@', '@OUTPUT@'
3562                       ],
3563                       depend_files: tracetool_depends)
3564       endforeach
3565     endif
3566   endforeach
3567 endforeach
3568
3569 # Other build targets
3570
3571 if 'CONFIG_PLUGIN' in config_host
3572   install_headers('include/qemu/qemu-plugin.h')
3573 endif
3574
3575 subdir('qga')
3576
3577 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3578 # when we don't build tools or system
3579 if xkbcommon.found()
3580   # used for the update-keymaps target, so include rules even if !have_tools
3581   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3582                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3583 endif
3584
3585 if have_tools
3586   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3587              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3588   qemu_io = executable('qemu-io', files('qemu-io.c'),
3589              dependencies: [block, qemuutil], install: true)
3590   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3591                dependencies: [blockdev, qemuutil, gnutls, selinux],
3592                install: true)
3593
3594   subdir('storage-daemon')
3595   subdir('contrib/rdmacm-mux')
3596   subdir('contrib/elf2dmp')
3597
3598   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3599              dependencies: qemuutil,
3600              install: true)
3601
3602   if have_vhost_user
3603     subdir('contrib/vhost-user-blk')
3604     subdir('contrib/vhost-user-gpu')
3605     subdir('contrib/vhost-user-input')
3606     subdir('contrib/vhost-user-scsi')
3607   endif
3608
3609   if targetos == 'linux'
3610     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3611                dependencies: [qemuutil, libcap_ng],
3612                install: true,
3613                install_dir: get_option('libexecdir'))
3614
3615     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3616                dependencies: [authz, crypto, io, qom, qemuutil,
3617                               libcap_ng, mpathpersist],
3618                install: true)
3619   endif
3620
3621   if have_ivshmem
3622     subdir('contrib/ivshmem-client')
3623     subdir('contrib/ivshmem-server')
3624   endif
3625 endif
3626
3627 subdir('scripts')
3628 subdir('tools')
3629 subdir('pc-bios')
3630 subdir('docs')
3631 subdir('tests')
3632 if gtk.found()
3633   subdir('po')
3634 endif
3635
3636 if host_machine.system() == 'windows'
3637   nsis_cmd = [
3638     find_program('scripts/nsis.py'),
3639     '@OUTPUT@',
3640     get_option('prefix'),
3641     meson.current_source_dir(),
3642     config_host['GLIB_BINDIR'],
3643     host_machine.cpu(),
3644     '--',
3645     '-DDISPLAYVERSION=' + meson.project_version(),
3646   ]
3647   if build_docs
3648     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3649   endif
3650   if gtk.found()
3651     nsis_cmd += '-DCONFIG_GTK=y'
3652   endif
3653
3654   nsis = custom_target('nsis',
3655                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3656                        input: files('qemu.nsi'),
3657                        build_always_stale: true,
3658                        command: nsis_cmd + ['@INPUT@'])
3659   alias_target('installer', nsis)
3660 endif
3661
3662 #########################
3663 # Configuration summary #
3664 #########################
3665
3666 # Directories
3667 summary_info = {}
3668 summary_info += {'Install prefix':    get_option('prefix')}
3669 summary_info += {'BIOS directory':    qemu_datadir}
3670 pathsep = targetos == 'windows' ? ';' : ':'
3671 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3672 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3673 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674 summary_info += {'module directory':  qemu_moddir}
3675 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3678 if targetos != 'windows'
3679   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3681 else
3682   summary_info += {'local state directory': 'queried at runtime'}
3683 endif
3684 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3685 summary_info += {'Build directory':   meson.current_build_dir()}
3686 summary_info += {'Source path':       meson.current_source_dir()}
3687 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3688 summary(summary_info, bool_yn: true, section: 'Directories')
3689
3690 # Host binaries
3691 summary_info = {}
3692 summary_info += {'git':               config_host['GIT']}
3693 summary_info += {'make':              config_host['MAKE']}
3694 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695 summary_info += {'sphinx-build':      sphinx_build}
3696 if config_host.has_key('HAVE_GDB_BIN')
3697   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3698 endif
3699 summary_info += {'iasl':              iasl}
3700 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3701 if targetos == 'windows' and have_ga
3702   summary_info += {'wixl':            wixl}
3703 endif
3704 if slirp.found() and have_system
3705   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3706 endif
3707 summary(summary_info, bool_yn: true, section: 'Host binaries')
3708
3709 # Configurable features
3710 summary_info = {}
3711 summary_info += {'Documentation':     build_docs}
3712 summary_info += {'system-mode emulation': have_system}
3713 summary_info += {'user-mode emulation': have_user}
3714 summary_info += {'block layer':       have_block}
3715 summary_info += {'Install blobs':     get_option('install_blobs')}
3716 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3717 if config_host.has_key('CONFIG_MODULES')
3718   summary_info += {'alternative module path': get_option('module_upgrades')}
3719 endif
3720 summary_info += {'fuzzing support':   get_option('fuzzing')}
3721 if have_system
3722   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3723 endif
3724 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3725 if 'simple' in get_option('trace_backends')
3726   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3727 endif
3728 summary_info += {'D-Bus display':     dbus_display}
3729 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3730 summary_info += {'vhost-kernel support': have_vhost_kernel}
3731 summary_info += {'vhost-net support': have_vhost_net}
3732 summary_info += {'vhost-user support': have_vhost_user}
3733 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736 summary_info += {'build guest agent': have_ga}
3737 summary(summary_info, bool_yn: true, section: 'Configurable features')
3738
3739 # Compilation information
3740 summary_info = {}
3741 summary_info += {'host CPU':          cpu}
3742 summary_info += {'host endianness':   build_machine.endian()}
3743 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3744 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745 if link_language == 'cpp'
3746   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3747 else
3748   summary_info += {'C++ compiler':      false}
3749 endif
3750 if targetos == 'darwin'
3751   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3752 endif
3753 option_cflags = (get_option('debug') ? ['-g'] : [])
3754 if get_option('optimization') != 'plain'
3755   option_cflags += ['-O' + get_option('optimization')]
3756 endif
3757 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3758 if link_language == 'cpp'
3759   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3760 endif
3761 if targetos == 'darwin'
3762   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3763 endif
3764 link_args = get_option(link_language + '_link_args')
3765 if link_args.length() > 0
3766   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3767 endif
3768 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3769 if 'cpp' in all_languages
3770   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3771 endif
3772 if 'objc' in all_languages
3773   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3774 endif
3775 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3776 summary_info += {'profiler':          get_option('profiler')}
3777 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3778 summary_info += {'PIE':               get_option('b_pie')}
3779 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3780 summary_info += {'malloc trim support': has_malloc_trim}
3781 summary_info += {'membarrier':        have_membarrier}
3782 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3783 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3784 summary_info += {'memory allocator':  get_option('malloc')}
3785 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3786 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3787 summary_info += {'gprof enabled':     get_option('gprof')}
3788 summary_info += {'gcov':              get_option('b_coverage')}
3789 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3790 summary_info += {'CFI support':       get_option('cfi')}
3791 if get_option('cfi')
3792   summary_info += {'CFI debug support': get_option('cfi_debug')}
3793 endif
3794 summary_info += {'strip binaries':    get_option('strip')}
3795 summary_info += {'sparse':            sparse}
3796 summary_info += {'mingw32 support':   targetos == 'windows'}
3797 summary(summary_info, bool_yn: true, section: 'Compilation')
3798
3799 # snarf the cross-compilation information for tests
3800 summary_info = {}
3801 have_cross = false
3802 foreach target: target_dirs
3803   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3804   if fs.exists(tcg_mak)
3805     config_cross_tcg = keyval.load(tcg_mak)
3806     if 'CC' in config_cross_tcg
3807       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3808       have_cross = true
3809     endif
3810   endif
3811 endforeach
3812 if have_cross
3813   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3814 endif
3815
3816 # Targets and accelerators
3817 summary_info = {}
3818 if have_system
3819   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3820   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3821   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3822   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3823   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3824   summary_info += {'Xen support':       xen.found()}
3825   if xen.found()
3826     summary_info += {'xen ctrl version':  xen.version()}
3827   endif
3828 endif
3829 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3830 if config_all.has_key('CONFIG_TCG')
3831   if get_option('tcg_interpreter')
3832     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3833   else
3834     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3835   endif
3836   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3837   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3838 endif
3839 summary_info += {'target list':       ' '.join(target_dirs)}
3840 if have_system
3841   summary_info += {'default devices':   get_option('default_devices')}
3842   summary_info += {'out of process emulation': multiprocess_allowed}
3843   summary_info += {'vfio-user server': vfio_user_server_allowed}
3844 endif
3845 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3846
3847 # Block layer
3848 summary_info = {}
3849 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3850 summary_info += {'coroutine pool':    have_coroutine_pool}
3851 if have_block
3852   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3853   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3854   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3855   summary_info += {'VirtFS support':    have_virtfs}
3856   summary_info += {'build virtiofs daemon': have_virtiofsd}
3857   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3858   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3859   summary_info += {'bochs support':     get_option('bochs').allowed()}
3860   summary_info += {'cloop support':     get_option('cloop').allowed()}
3861   summary_info += {'dmg support':       get_option('dmg').allowed()}
3862   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3863   summary_info += {'vdi support':       get_option('vdi').allowed()}
3864   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3865   summary_info += {'qed support':       get_option('qed').allowed()}
3866   summary_info += {'parallels support': get_option('parallels').allowed()}
3867   summary_info += {'FUSE exports':      fuse}
3868   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3869 endif
3870 summary(summary_info, bool_yn: true, section: 'Block layer support')
3871
3872 # Crypto
3873 summary_info = {}
3874 summary_info += {'TLS priority':      get_option('tls_priority')}
3875 summary_info += {'GNUTLS support':    gnutls}
3876 if gnutls.found()
3877   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3878 endif
3879 summary_info += {'libgcrypt':         gcrypt}
3880 summary_info += {'nettle':            nettle}
3881 if nettle.found()
3882    summary_info += {'  XTS':             xts != 'private'}
3883 endif
3884 summary_info += {'AF_ALG support':    have_afalg}
3885 summary_info += {'rng-none':          get_option('rng_none')}
3886 summary_info += {'Linux keyring':     have_keyring}
3887 summary(summary_info, bool_yn: true, section: 'Crypto')
3888
3889 # Libraries
3890 summary_info = {}
3891 if targetos == 'darwin'
3892   summary_info += {'Cocoa support':           cocoa}
3893   summary_info += {'vmnet.framework support': vmnet}
3894 endif
3895 summary_info += {'SDL support':       sdl}
3896 summary_info += {'SDL image support': sdl_image}
3897 summary_info += {'GTK support':       gtk}
3898 summary_info += {'pixman':            pixman}
3899 summary_info += {'VTE support':       vte}
3900 summary_info += {'slirp support':     slirp}
3901 summary_info += {'libtasn1':          tasn1}
3902 summary_info += {'PAM':               pam}
3903 summary_info += {'iconv support':     iconv}
3904 summary_info += {'curses support':    curses}
3905 summary_info += {'virgl support':     virgl}
3906 summary_info += {'blkio support':     blkio}
3907 summary_info += {'curl support':      curl}
3908 summary_info += {'Multipath support': mpathpersist}
3909 summary_info += {'PNG support':       png}
3910 summary_info += {'VNC support':       vnc}
3911 if vnc.found()
3912   summary_info += {'VNC SASL support':  sasl}
3913   summary_info += {'VNC JPEG support':  jpeg}
3914 endif
3915 if targetos not in ['darwin', 'haiku', 'windows']
3916   summary_info += {'OSS support':     oss}
3917   summary_info += {'sndio support':   sndio}
3918 elif targetos == 'darwin'
3919   summary_info += {'CoreAudio support': coreaudio}
3920 elif targetos == 'windows'
3921   summary_info += {'DirectSound support': dsound}
3922 endif
3923 if targetos == 'linux'
3924   summary_info += {'ALSA support':    alsa}
3925   summary_info += {'PulseAudio support': pulse}
3926 endif
3927 summary_info += {'JACK support':      jack}
3928 summary_info += {'brlapi support':    brlapi}
3929 summary_info += {'vde support':       vde}
3930 summary_info += {'netmap support':    have_netmap}
3931 summary_info += {'l2tpv3 support':    have_l2tpv3}
3932 summary_info += {'Linux AIO support': libaio}
3933 summary_info += {'Linux io_uring support': linux_io_uring}
3934 summary_info += {'ATTR/XATTR support': libattr}
3935 summary_info += {'RDMA support':      rdma}
3936 summary_info += {'PVRDMA support':    have_pvrdma}
3937 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3938 summary_info += {'libcap-ng support': libcap_ng}
3939 summary_info += {'bpf support':       libbpf}
3940 summary_info += {'spice protocol support': spice_protocol}
3941 if spice_protocol.found()
3942   summary_info += {'  spice server support': spice}
3943 endif
3944 summary_info += {'rbd support':       rbd}
3945 summary_info += {'smartcard support': cacard}
3946 summary_info += {'U2F support':       u2f}
3947 summary_info += {'libusb':            libusb}
3948 summary_info += {'usb net redir':     usbredir}
3949 summary_info += {'OpenGL support (epoxy)': opengl}
3950 summary_info += {'GBM':               gbm}
3951 summary_info += {'libiscsi support':  libiscsi}
3952 summary_info += {'libnfs support':    libnfs}
3953 if targetos == 'windows'
3954   if have_ga
3955     summary_info += {'QGA VSS support':   have_qga_vss}
3956   endif
3957 endif
3958 summary_info += {'seccomp support':   seccomp}
3959 summary_info += {'GlusterFS support': glusterfs}
3960 summary_info += {'TPM support':       have_tpm}
3961 summary_info += {'libssh support':    libssh}
3962 summary_info += {'lzo support':       lzo}
3963 summary_info += {'snappy support':    snappy}
3964 summary_info += {'bzip2 support':     libbzip2}
3965 summary_info += {'lzfse support':     liblzfse}
3966 summary_info += {'zstd support':      zstd}
3967 summary_info += {'NUMA host support': numa}
3968 summary_info += {'capstone':          capstone}
3969 summary_info += {'libpmem support':   libpmem}
3970 summary_info += {'libdaxctl support': libdaxctl}
3971 summary_info += {'libudev':           libudev}
3972 # Dummy dependency, keep .found()
3973 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3974 summary_info += {'selinux':           selinux}
3975 summary_info += {'libdw':             libdw}
3976 summary(summary_info, bool_yn: true, section: 'Dependencies')
3977
3978 if not supported_cpus.contains(cpu)
3979   message()
3980   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3981   message()
3982   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3983   message('The QEMU project intends to remove support for this host CPU in')
3984   message('a future release if nobody volunteers to maintain it and to')
3985   message('provide a build host for our continuous integration setup.')
3986   message('configure has succeeded and you can continue to build, but')
3987   message('if you care about QEMU on this platform you should contact')
3988   message('us upstream at qemu-devel@nongnu.org.')
3989 endif
3990
3991 if not supported_oses.contains(targetos)
3992   message()
3993   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3994   message()
3995   message('Host OS ' + targetos + 'support is not currently maintained.')
3996   message('The QEMU project intends to remove support for this host OS in')
3997   message('a future release if nobody volunteers to maintain it and to')
3998   message('provide a build host for our continuous integration setup.')
3999   message('configure has succeeded and you can continue to build, but')
4000   message('if you care about QEMU on this platform you should contact')
4001   message('us upstream at qemu-devel@nongnu.org.')
4002 endif