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 = not_found
1653 if not get_option('libdw').auto() or \
1654         (not enable_static and (have_system or have_user))
1655     libdw = dependency('libdw',
1656                        method: 'pkg-config',
1657                        kwargs: static_kwargs,
1658                        required: get_option('libdw'))
1659 endif
1660
1661 #################
1662 # config-host.h #
1663 #################
1664
1665 audio_drivers_selected = []
1666 if have_system
1667   audio_drivers_available = {
1668     'alsa': alsa.found(),
1669     'coreaudio': coreaudio.found(),
1670     'dsound': dsound.found(),
1671     'jack': jack.found(),
1672     'oss': oss.found(),
1673     'pa': pulse.found(),
1674     'sdl': sdl.found(),
1675     'sndio': sndio.found(),
1676   }
1677   foreach k, v: audio_drivers_available
1678     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1679   endforeach
1680
1681   # Default to native drivers first, OSS second, SDL third
1682   audio_drivers_priority = \
1683     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1684     (targetos == 'linux' ? [] : [ 'sdl' ])
1685   audio_drivers_default = []
1686   foreach k: audio_drivers_priority
1687     if audio_drivers_available[k]
1688       audio_drivers_default += k
1689     endif
1690   endforeach
1691
1692   foreach k: get_option('audio_drv_list')
1693     if k == 'default'
1694       audio_drivers_selected += audio_drivers_default
1695     elif not audio_drivers_available[k]
1696       error('Audio driver "@0@" not available.'.format(k))
1697     else
1698       audio_drivers_selected += k
1699     endif
1700   endforeach
1701 endif
1702 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1703                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1704
1705 if get_option('cfi')
1706   cfi_flags=[]
1707   # Check for dependency on LTO
1708   if not get_option('b_lto')
1709     error('Selected Control-Flow Integrity but LTO is disabled')
1710   endif
1711   if config_host.has_key('CONFIG_MODULES')
1712     error('Selected Control-Flow Integrity is not compatible with modules')
1713   endif
1714   # Check for cfi flags. CFI requires LTO so we can't use
1715   # get_supported_arguments, but need a more complex "compiles" which allows
1716   # custom arguments
1717   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1718                  args: ['-flto', '-fsanitize=cfi-icall'] )
1719     cfi_flags += '-fsanitize=cfi-icall'
1720   else
1721     error('-fsanitize=cfi-icall is not supported by the compiler')
1722   endif
1723   if cc.compiles('int main () { return 0; }',
1724                  name: '-fsanitize-cfi-icall-generalize-pointers',
1725                  args: ['-flto', '-fsanitize=cfi-icall',
1726                         '-fsanitize-cfi-icall-generalize-pointers'] )
1727     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1728   else
1729     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1730   endif
1731   if get_option('cfi_debug')
1732     if cc.compiles('int main () { return 0; }',
1733                    name: '-fno-sanitize-trap=cfi-icall',
1734                    args: ['-flto', '-fsanitize=cfi-icall',
1735                           '-fno-sanitize-trap=cfi-icall'] )
1736       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1737     else
1738       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1739     endif
1740   endif
1741   add_global_arguments(cfi_flags, native: false, language: all_languages)
1742   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1743 endif
1744
1745 have_host_block_device = (targetos != 'darwin' or
1746     cc.has_header('IOKit/storage/IOMedia.h'))
1747
1748 dbus_display = get_option('dbus_display') \
1749   .require(gio.version().version_compare('>=2.64'),
1750            error_message: '-display dbus requires glib>=2.64') \
1751   .require(gdbus_codegen.found(),
1752            error_message: gdbus_codegen_error.format('-display dbus')) \
1753   .require(opengl.found() and gbm.found(),
1754            error_message: '-display dbus requires epoxy/egl and gbm') \
1755   .allowed()
1756
1757 have_virtfs = get_option('virtfs') \
1758     .require(targetos == 'linux' or targetos == 'darwin',
1759              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1760     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1761              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1762     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1763              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1764     .disable_auto_if(not have_tools and not have_system) \
1765     .allowed()
1766
1767 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1768
1769 if get_option('block_drv_ro_whitelist') == ''
1770   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1771 else
1772   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1773         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1774 endif
1775 if get_option('block_drv_rw_whitelist') == ''
1776   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1777 else
1778   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1779         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1780 endif
1781
1782 foreach k : get_option('trace_backends')
1783   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1784 endforeach
1785 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1786 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1787 if iasl.found()
1788   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1789 endif
1790 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1791 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1792 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1793 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1794 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1795
1796 qemu_firmwarepath = ''
1797 foreach k : get_option('qemu_firmwarepath')
1798   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1799 endforeach
1800 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1801
1802 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1803 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1804 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1805 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1806 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1807 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1808
1809 if config_host.has_key('CONFIG_MODULES')
1810   config_host_data.set('CONFIG_STAMP', run_command(
1811       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1812       meson.project_version(), get_option('pkgversion'), '--',
1813       meson.current_source_dir() / 'configure',
1814       capture: true, check: true).stdout().strip())
1815 endif
1816
1817 have_slirp_smbd = get_option('slirp_smbd') \
1818   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1819   .allowed()
1820 if have_slirp_smbd
1821   smbd_path = get_option('smbd')
1822   if smbd_path == ''
1823     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1824   endif
1825   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1826 endif
1827
1828 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1829
1830 if get_option('module_upgrades') and not enable_modules
1831   error('Cannot enable module-upgrades as modules are not enabled')
1832 endif
1833 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1834
1835 config_host_data.set('CONFIG_ATTR', libattr.found())
1836 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1837 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1838 config_host_data.set('CONFIG_COCOA', cocoa.found())
1839 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1840 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1841 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1842 config_host_data.set('CONFIG_LZO', lzo.found())
1843 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1844 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1845 config_host_data.set('CONFIG_BLKIO', blkio.found())
1846 config_host_data.set('CONFIG_CURL', curl.found())
1847 config_host_data.set('CONFIG_CURSES', curses.found())
1848 config_host_data.set('CONFIG_GBM', gbm.found())
1849 config_host_data.set('CONFIG_GIO', gio.found())
1850 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1851 if glusterfs.found()
1852   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1853   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1854   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1855   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1856   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1857   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1858 endif
1859 config_host_data.set('CONFIG_GTK', gtk.found())
1860 config_host_data.set('CONFIG_VTE', vte.found())
1861 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1862 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1863 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1864 config_host_data.set('CONFIG_EBPF', libbpf.found())
1865 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1866 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1867 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1868 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1869 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1870 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1871 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1872 config_host_data.set('CONFIG_NUMA', numa.found())
1873 if numa.found()
1874   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1875                        cc.has_function('numa_has_preferred_many',
1876                                        dependencies: numa))
1877 endif
1878 config_host_data.set('CONFIG_OPENGL', opengl.found())
1879 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1880 config_host_data.set('CONFIG_RBD', rbd.found())
1881 config_host_data.set('CONFIG_RDMA', rdma.found())
1882 config_host_data.set('CONFIG_SDL', sdl.found())
1883 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1884 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1885 if seccomp.found()
1886   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1887 endif
1888 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1889 config_host_data.set('CONFIG_TPM', have_tpm)
1890 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1891 config_host_data.set('CONFIG_VDE', vde.found())
1892 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1893 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1894 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1895 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1896 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1897 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1898 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1899 config_host_data.set('CONFIG_VMNET', vmnet.found())
1900 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1901 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1902 config_host_data.set('CONFIG_PNG', png.found())
1903 config_host_data.set('CONFIG_VNC', vnc.found())
1904 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1905 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1906 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1907 config_host_data.set('CONFIG_VTE', vte.found())
1908 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1909 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1910 config_host_data.set('CONFIG_GETTID', has_gettid)
1911 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1912 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1913 config_host_data.set('CONFIG_TASN1', tasn1.found())
1914 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1915 config_host_data.set('CONFIG_NETTLE', nettle.found())
1916 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1917 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1918 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1919 config_host_data.set('CONFIG_STATX', has_statx)
1920 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1921 config_host_data.set('CONFIG_ZSTD', zstd.found())
1922 config_host_data.set('CONFIG_FUSE', fuse.found())
1923 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1925 if spice_protocol.found()
1926 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1927 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1928 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1929 endif
1930 config_host_data.set('CONFIG_SPICE', spice.found())
1931 config_host_data.set('CONFIG_X11', x11.found())
1932 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1933 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1934 config_host_data.set('CONFIG_SELINUX', selinux.found())
1935 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1936 config_host_data.set('CONFIG_LIBDW', libdw.found())
1937 if xen.found()
1938   # protect from xen.version() having less than three components
1939   xen_version = xen.version().split('.') + ['0', '0']
1940   xen_ctrl_version = xen_version[0] + \
1941     ('0' + xen_version[1]).substring(-2) + \
1942     ('0' + xen_version[2]).substring(-2)
1943   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1944 endif
1945 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1946 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1947 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1948 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1949
1950 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1951 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1952
1953 have_coroutine_pool = get_option('coroutine_pool')
1954 if get_option('debug_stack_usage') and have_coroutine_pool
1955   message('Disabling coroutine pool to measure stack usage')
1956   have_coroutine_pool = false
1957 endif
1958 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1959 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1960 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1961 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1962 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1963 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1964 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1965
1966 # has_header
1967 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1968 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1969 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1970 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1971 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1972 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1973 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1974 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1975 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1976 if targetos == 'windows'
1977   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1978 endif
1979
1980 # has_function
1981 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1982 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1983 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1984 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1985 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1986 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1987 # Note that we need to specify prefix: here to avoid incorrectly
1988 # thinking that Windows has posix_memalign()
1989 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1990 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1991 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1992 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1993 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1994 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1995 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1996 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1997 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1998 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1999 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
2000 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
2001 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
2002 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
2003 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2004 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2005 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2006 if rbd.found()
2007   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2008                        cc.has_function('rbd_namespace_exists',
2009                                        dependencies: rbd,
2010                                        prefix: '#include <rbd/librbd.h>'))
2011 endif
2012 if rdma.found()
2013   config_host_data.set('HAVE_IBV_ADVISE_MR',
2014                        cc.has_function('ibv_advise_mr',
2015                                        dependencies: rdma,
2016                                        prefix: '#include <infiniband/verbs.h>'))
2017 endif
2018
2019 # has_header_symbol
2020 config_host_data.set('CONFIG_EPOLL_CREATE1',
2021                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2022 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2023                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2024                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2025 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2026                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2027 config_host_data.set('CONFIG_FIEMAP',
2028                      cc.has_header('linux/fiemap.h') and
2029                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2030 config_host_data.set('CONFIG_GETRANDOM',
2031                      cc.has_function('getrandom') and
2032                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2033 config_host_data.set('CONFIG_INOTIFY',
2034                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2035 config_host_data.set('CONFIG_INOTIFY1',
2036                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2037 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2038                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2039 config_host_data.set('CONFIG_RTNETLINK',
2040                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2041 config_host_data.set('CONFIG_SYSMACROS',
2042                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2043 config_host_data.set('HAVE_OPTRESET',
2044                      cc.has_header_symbol('getopt.h', 'optreset'))
2045 config_host_data.set('HAVE_IPPROTO_MPTCP',
2046                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2047
2048 # has_member
2049 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2050                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2051                                    prefix: '#include <signal.h>'))
2052 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2053                      cc.has_member('struct stat', 'st_atim',
2054                                    prefix: '#include <sys/stat.h>'))
2055
2056 # has_type
2057 config_host_data.set('CONFIG_IOVEC',
2058                      cc.has_type('struct iovec',
2059                                  prefix: '#include <sys/uio.h>'))
2060 config_host_data.set('HAVE_UTMPX',
2061                      cc.has_type('struct utmpx',
2062                                  prefix: '#include <utmpx.h>'))
2063
2064 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2065   #include <sys/eventfd.h>
2066   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2067 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2068   #include <unistd.h>
2069   int main(void) {
2070   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2071   return fdatasync(0);
2072   #else
2073   #error Not supported
2074   #endif
2075   }'''))
2076
2077 has_madvise = cc.links(gnu_source_prefix + '''
2078   #include <sys/types.h>
2079   #include <sys/mman.h>
2080   #include <stddef.h>
2081   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2082 missing_madvise_proto = false
2083 if has_madvise
2084   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2085   # but forget to prototype it. In this case, has_madvise will be true (the
2086   # test program links despite a compile warning). To detect the
2087   # missing-prototype case, we try again with a definitely-bogus prototype.
2088   # This will only compile if the system headers don't provide the prototype;
2089   # otherwise the conflicting prototypes will cause a compiler error.
2090   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2091     #include <sys/types.h>
2092     #include <sys/mman.h>
2093     #include <stddef.h>
2094     extern int madvise(int);
2095     int main(void) { return madvise(0); }''')
2096 endif
2097 config_host_data.set('CONFIG_MADVISE', has_madvise)
2098 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2099
2100 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2101   #include <sys/mman.h>
2102   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2103 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2104   #include <fcntl.h>
2105   #if !defined(AT_EMPTY_PATH)
2106   # error missing definition
2107   #else
2108   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2109   #endif'''))
2110 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2111   #include <sys/mman.h>
2112   #include <stddef.h>
2113   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2114
2115 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2116   #include <pthread.h>
2117
2118   static void *f(void *p) { return NULL; }
2119   int main(void)
2120   {
2121     pthread_t thread;
2122     pthread_create(&thread, 0, f, 0);
2123     pthread_setname_np(thread, "QEMU");
2124     return 0;
2125   }''', dependencies: threads))
2126 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2127   #include <pthread.h>
2128
2129   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2130   int main(void)
2131   {
2132     pthread_t thread;
2133     pthread_create(&thread, 0, f, 0);
2134     return 0;
2135   }''', dependencies: threads))
2136 config_host_data.set('CONFIG_PTHREAD_SET_NAME_NP', cc.links(gnu_source_prefix + '''
2137   #include <pthread.h>
2138   #include <pthread_np.h>
2139
2140   static void *f(void *p) { return NULL; }
2141   int main(void)
2142   {
2143     pthread_t thread;
2144     pthread_create(&thread, 0, f, 0);
2145     pthread_set_name_np(thread, "QEMU");
2146     return 0;
2147   }''', dependencies: threads))
2148 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2149   #include <pthread.h>
2150   #include <time.h>
2151
2152   int main(void)
2153   {
2154     pthread_condattr_t attr
2155     pthread_condattr_init(&attr);
2156     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2157     return 0;
2158   }''', dependencies: threads))
2159 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2160   #include <pthread.h>
2161
2162   static void *f(void *p) { return NULL; }
2163   int main(void)
2164   {
2165     int setsize = CPU_ALLOC_SIZE(64);
2166     pthread_t thread;
2167     cpu_set_t *cpuset;
2168     pthread_create(&thread, 0, f, 0);
2169     cpuset = CPU_ALLOC(64);
2170     CPU_ZERO_S(setsize, cpuset);
2171     pthread_setaffinity_np(thread, setsize, cpuset);
2172     pthread_getaffinity_np(thread, setsize, cpuset);
2173     CPU_FREE(cpuset);
2174     return 0;
2175   }''', dependencies: threads))
2176 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2177   #include <sys/signalfd.h>
2178   #include <stddef.h>
2179   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2180 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2181   #include <unistd.h>
2182   #include <fcntl.h>
2183   #include <limits.h>
2184
2185   int main(void)
2186   {
2187     int len, fd = 0;
2188     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2189     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2190     return 0;
2191   }'''))
2192
2193 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2194   #include <sys/mman.h>
2195   int main(void) {
2196     return mlockall(MCL_FUTURE);
2197   }'''))
2198
2199 have_l2tpv3 = false
2200 if get_option('l2tpv3').allowed() and have_system
2201   have_l2tpv3 = cc.has_type('struct mmsghdr',
2202     prefix: gnu_source_prefix + '''
2203       #include <sys/socket.h>
2204       #include <linux/ip.h>''')
2205 endif
2206 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2207
2208 have_netmap = false
2209 if get_option('netmap').allowed() and have_system
2210   have_netmap = cc.compiles('''
2211     #include <inttypes.h>
2212     #include <net/if.h>
2213     #include <net/netmap.h>
2214     #include <net/netmap_user.h>
2215     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2216     #error
2217     #endif
2218     int main(void) { return 0; }''')
2219   if not have_netmap and get_option('netmap').enabled()
2220     error('Netmap headers not available')
2221   endif
2222 endif
2223 config_host_data.set('CONFIG_NETMAP', have_netmap)
2224
2225 # Work around a system header bug with some kernel/XFS header
2226 # versions where they both try to define 'struct fsxattr':
2227 # xfs headers will not try to redefine structs from linux headers
2228 # if this macro is set.
2229 config_host_data.set('HAVE_FSXATTR', cc.links('''
2230   #include <linux/fs.h>
2231   struct fsxattr foo;
2232   int main(void) {
2233     return 0;
2234   }'''))
2235
2236 # Some versions of Mac OS X incorrectly define SIZE_MAX
2237 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2238     #include <stdint.h>
2239     #include <stdio.h>
2240     int main(void) {
2241         return printf("%zu", SIZE_MAX);
2242     }''', args: ['-Werror']))
2243
2244 atomic_test = '''
2245   #include <stdint.h>
2246   int main(void)
2247   {
2248     @0@ x = 0, y = 0;
2249     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2250     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2251     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2252     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2253     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2254     return 0;
2255   }'''
2256
2257 # See if 64-bit atomic operations are supported.
2258 # Note that without __atomic builtins, we can only
2259 # assume atomic loads/stores max at pointer size.
2260 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2261
2262 has_int128 = cc.links('''
2263   __int128_t a;
2264   __uint128_t b;
2265   int main (void) {
2266     a = a + b;
2267     b = a * b;
2268     a = a * a;
2269     return 0;
2270   }''')
2271
2272 config_host_data.set('CONFIG_INT128', has_int128)
2273
2274 if has_int128
2275   # "do we have 128-bit atomics which are handled inline and specifically not
2276   # via libatomic". The reason we can't use libatomic is documented in the
2277   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2278   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2279
2280   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2281
2282   if not has_atomic128
2283     has_cmpxchg128 = cc.links('''
2284       int main(void)
2285       {
2286         unsigned __int128 x = 0, y = 0;
2287         __sync_val_compare_and_swap_16(&x, y, x);
2288         return 0;
2289       }
2290     ''')
2291
2292     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2293   endif
2294 endif
2295
2296 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2297   #include <sys/auxv.h>
2298   int main(void) {
2299     return getauxval(AT_HWCAP) == 0;
2300   }'''))
2301
2302 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2303   #include <linux/usbdevice_fs.h>
2304
2305   #ifndef USBDEVFS_GET_CAPABILITIES
2306   #error "USBDEVFS_GET_CAPABILITIES undefined"
2307   #endif
2308
2309   #ifndef USBDEVFS_DISCONNECT_CLAIM
2310   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2311   #endif
2312
2313   int main(void) { return 0; }'''))
2314
2315 have_keyring = get_option('keyring') \
2316   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2317   .require(cc.compiles('''
2318     #include <errno.h>
2319     #include <asm/unistd.h>
2320     #include <linux/keyctl.h>
2321     #include <sys/syscall.h>
2322     #include <unistd.h>
2323     int main(void) {
2324         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2325     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2326 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2327
2328 have_cpuid_h = cc.links('''
2329   #include <cpuid.h>
2330   int main(void) {
2331     unsigned a, b, c, d;
2332     unsigned max = __get_cpuid_max(0, 0);
2333
2334     if (max >= 1) {
2335         __cpuid(1, a, b, c, d);
2336     }
2337
2338     if (max >= 7) {
2339         __cpuid_count(7, 0, a, b, c, d);
2340     }
2341
2342     return 0;
2343   }''')
2344 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2345
2346 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2347   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2348   .require(cc.links('''
2349     #include <cpuid.h>
2350     #include <immintrin.h>
2351     static int __attribute__((target("avx2"))) bar(void *a) {
2352       __m256i x = *(__m256i *)a;
2353       return _mm256_testz_si256(x, x);
2354     }
2355     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2356   '''), error_message: 'AVX2 not available').allowed())
2357
2358 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2359   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2360   .require(cc.links('''
2361     #include <cpuid.h>
2362     #include <immintrin.h>
2363     static int __attribute__((target("avx512f"))) bar(void *a) {
2364       __m512i x = *(__m512i *)a;
2365       return _mm512_test_epi64_mask(x, x);
2366     }
2367     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2368   '''), error_message: 'AVX512F not available').allowed())
2369
2370 config_host_data.set('CONFIG_AVX512BW_OPT', get_option('avx512bw') \
2371   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512BW') \
2372   .require(cc.links('''
2373     #pragma GCC push_options
2374     #pragma GCC target("avx512bw")
2375     #include <cpuid.h>
2376     #include <immintrin.h>
2377     static int bar(void *a) {
2378
2379       __m512i *x = a;
2380       __m512i res= _mm512_abs_epi8(*x);
2381       return res[1];
2382     }
2383     int main(int argc, char *argv[]) { return bar(argv[0]); }
2384   '''), error_message: 'AVX512BW not available').allowed())
2385
2386 have_pvrdma = get_option('pvrdma') \
2387   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2388   .require(cc.compiles(gnu_source_prefix + '''
2389     #include <sys/mman.h>
2390     int main(void)
2391     {
2392       char buf = 0;
2393       void *addr = &buf;
2394       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2395
2396       return 0;
2397     }'''), error_message: 'PVRDMA requires mremap').allowed()
2398
2399 if have_pvrdma
2400   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2401     #include <infiniband/verbs.h>
2402     int main(void)
2403     {
2404       struct ibv_mr *mr;
2405       struct ibv_pd *pd = NULL;
2406       size_t length = 10;
2407       uint64_t iova = 0;
2408       int access = 0;
2409       void *addr = NULL;
2410
2411       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2412       ibv_dereg_mr(mr);
2413       return 0;
2414     }'''))
2415 endif
2416
2417 if get_option('membarrier').disabled()
2418   have_membarrier = false
2419 elif targetos == 'windows'
2420   have_membarrier = true
2421 elif targetos == 'linux'
2422   have_membarrier = cc.compiles('''
2423     #include <linux/membarrier.h>
2424     #include <sys/syscall.h>
2425     #include <unistd.h>
2426     #include <stdlib.h>
2427     int main(void) {
2428         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2429         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2430         exit(0);
2431     }''')
2432 endif
2433 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2434   .require(have_membarrier, error_message: 'membarrier system call not available') \
2435   .allowed())
2436
2437 have_afalg = get_option('crypto_afalg') \
2438   .require(cc.compiles(gnu_source_prefix + '''
2439     #include <errno.h>
2440     #include <sys/types.h>
2441     #include <sys/socket.h>
2442     #include <linux/if_alg.h>
2443     int main(void) {
2444       int sock;
2445       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2446       return sock;
2447     }
2448   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2449 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2450
2451 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2452   'linux/vm_sockets.h', 'AF_VSOCK',
2453   prefix: '#include <sys/socket.h>',
2454 ))
2455
2456 have_vss = false
2457 have_vss_sdk = false # old xp/2003 SDK
2458 if targetos == 'windows' and link_language == 'cpp'
2459   have_vss = cxx.compiles('''
2460     #define __MIDL_user_allocate_free_DEFINED__
2461     #include <vss.h>
2462     int main(void) { return VSS_CTX_BACKUP; }''')
2463   have_vss_sdk = cxx.has_header('vscoordint.h')
2464 endif
2465 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2466
2467 foreach k, v: config_host
2468   if k.startswith('CONFIG_')
2469     config_host_data.set(k, v == 'y' ? 1 : v)
2470   endif
2471 endforeach
2472
2473 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2474 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2475 if targetos == 'windows'
2476   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2477     #include <stdio.h>
2478     int main(void) {
2479       _lock_file(NULL);
2480       _unlock_file(NULL);
2481       return 0;
2482     }''', name: '_lock_file and _unlock_file'))
2483 endif
2484
2485 ########################
2486 # Target configuration #
2487 ########################
2488
2489 minikconf = find_program('scripts/minikconf.py')
2490 config_all = {}
2491 config_all_devices = {}
2492 config_all_disas = {}
2493 config_devices_mak_list = []
2494 config_devices_h = {}
2495 config_target_h = {}
2496 config_target_mak = {}
2497
2498 disassemblers = {
2499   'alpha' : ['CONFIG_ALPHA_DIS'],
2500   'avr' : ['CONFIG_AVR_DIS'],
2501   'cris' : ['CONFIG_CRIS_DIS'],
2502   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2503   'hppa' : ['CONFIG_HPPA_DIS'],
2504   'i386' : ['CONFIG_I386_DIS'],
2505   'x86_64' : ['CONFIG_I386_DIS'],
2506   'm68k' : ['CONFIG_M68K_DIS'],
2507   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2508   'mips' : ['CONFIG_MIPS_DIS'],
2509   'nios2' : ['CONFIG_NIOS2_DIS'],
2510   'or1k' : ['CONFIG_OPENRISC_DIS'],
2511   'ppc' : ['CONFIG_PPC_DIS'],
2512   'riscv' : ['CONFIG_RISCV_DIS'],
2513   'rx' : ['CONFIG_RX_DIS'],
2514   's390' : ['CONFIG_S390_DIS'],
2515   'sh4' : ['CONFIG_SH4_DIS'],
2516   'sparc' : ['CONFIG_SPARC_DIS'],
2517   'xtensa' : ['CONFIG_XTENSA_DIS'],
2518   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2519 }
2520
2521 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2522 host_kconfig = \
2523   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2524   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2525   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2526   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2527   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2528   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2529   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2530   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2531   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2532   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2533   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2534   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2535   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2536   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2537
2538 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2539
2540 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2541 actual_target_dirs = []
2542 fdt_required = []
2543 foreach target : target_dirs
2544   config_target = { 'TARGET_NAME': target.split('-')[0] }
2545   if target.endswith('linux-user')
2546     if targetos != 'linux'
2547       if default_targets
2548         continue
2549       endif
2550       error('Target @0@ is only available on a Linux host'.format(target))
2551     endif
2552     config_target += { 'CONFIG_LINUX_USER': 'y' }
2553   elif target.endswith('bsd-user')
2554     if 'CONFIG_BSD' not in config_host
2555       if default_targets
2556         continue
2557       endif
2558       error('Target @0@ is only available on a BSD host'.format(target))
2559     endif
2560     config_target += { 'CONFIG_BSD_USER': 'y' }
2561   elif target.endswith('softmmu')
2562     config_target += { 'CONFIG_SOFTMMU': 'y' }
2563   endif
2564   if target.endswith('-user')
2565     config_target += {
2566       'CONFIG_USER_ONLY': 'y',
2567       'CONFIG_QEMU_INTERP_PREFIX':
2568         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2569     }
2570   endif
2571
2572   accel_kconfig = []
2573   foreach sym: accelerators
2574     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2575       config_target += { sym: 'y' }
2576       config_all += { sym: 'y' }
2577       if target in modular_tcg
2578         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2579       else
2580         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2581       endif
2582       accel_kconfig += [ sym + '=y' ]
2583     endif
2584   endforeach
2585   if accel_kconfig.length() == 0
2586     if default_targets
2587       continue
2588     endif
2589     error('No accelerator available for target @0@'.format(target))
2590   endif
2591
2592   actual_target_dirs += target
2593   config_target += keyval.load('configs/targets' / target + '.mak')
2594   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2595
2596   if 'TARGET_NEED_FDT' in config_target
2597     fdt_required += target
2598   endif
2599
2600   # Add default keys
2601   if 'TARGET_BASE_ARCH' not in config_target
2602     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2603   endif
2604   if 'TARGET_ABI_DIR' not in config_target
2605     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2606   endif
2607   if 'TARGET_BIG_ENDIAN' not in config_target
2608     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2609   endif
2610
2611   foreach k, v: disassemblers
2612     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2613       foreach sym: v
2614         config_target += { sym: 'y' }
2615         config_all_disas += { sym: 'y' }
2616       endforeach
2617     endif
2618   endforeach
2619
2620   config_target_data = configuration_data()
2621   foreach k, v: config_target
2622     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2623       # do nothing
2624     elif ignored.contains(k)
2625       # do nothing
2626     elif k == 'TARGET_BASE_ARCH'
2627       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2628       # not used to select files from sourcesets.
2629       config_target_data.set('TARGET_' + v.to_upper(), 1)
2630     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2631       config_target_data.set_quoted(k, v)
2632     elif v == 'y'
2633       config_target_data.set(k, 1)
2634     elif v == 'n'
2635       config_target_data.set(k, 0)
2636     else
2637       config_target_data.set(k, v)
2638     endif
2639   endforeach
2640   config_target_data.set('QEMU_ARCH',
2641                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2642   config_target_h += {target: configure_file(output: target + '-config-target.h',
2643                                                configuration: config_target_data)}
2644
2645   if target.endswith('-softmmu')
2646     config_input = meson.get_external_property(target, 'default')
2647     config_devices_mak = target + '-config-devices.mak'
2648     config_devices_mak = configure_file(
2649       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2650       output: config_devices_mak,
2651       depfile: config_devices_mak + '.d',
2652       capture: true,
2653       command: [minikconf,
2654                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2655                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2656                 host_kconfig, accel_kconfig,
2657                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2658
2659     config_devices_data = configuration_data()
2660     config_devices = keyval.load(config_devices_mak)
2661     foreach k, v: config_devices
2662       config_devices_data.set(k, 1)
2663     endforeach
2664     config_devices_mak_list += config_devices_mak
2665     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2666                                                 configuration: config_devices_data)}
2667     config_target += config_devices
2668     config_all_devices += config_devices
2669   endif
2670   config_target_mak += {target: config_target}
2671 endforeach
2672 target_dirs = actual_target_dirs
2673
2674 # This configuration is used to build files that are shared by
2675 # multiple binaries, and then extracted out of the "common"
2676 # static_library target.
2677 #
2678 # We do not use all_sources()/all_dependencies(), because it would
2679 # build literally all source files, including devices only used by
2680 # targets that are not built for this compilation.  The CONFIG_ALL
2681 # pseudo symbol replaces it.
2682
2683 config_all += config_all_devices
2684 config_all += config_host
2685 config_all += config_all_disas
2686 config_all += {
2687   'CONFIG_XEN': xen.found(),
2688   'CONFIG_SOFTMMU': have_system,
2689   'CONFIG_USER_ONLY': have_user,
2690   'CONFIG_ALL': true,
2691 }
2692
2693 target_configs_h = []
2694 foreach target: target_dirs
2695   target_configs_h += config_target_h[target]
2696   target_configs_h += config_devices_h.get(target, [])
2697 endforeach
2698 genh += custom_target('config-poison.h',
2699                       input: [target_configs_h],
2700                       output: 'config-poison.h',
2701                       capture: true,
2702                       command: [find_program('scripts/make-config-poison.sh'),
2703                                 target_configs_h])
2704
2705 ##############
2706 # Submodules #
2707 ##############
2708
2709 capstone = not_found
2710 if not get_option('capstone').auto() or have_system or have_user
2711   capstone = dependency('capstone', version: '>=3.0.5',
2712                         kwargs: static_kwargs, method: 'pkg-config',
2713                         required: get_option('capstone'))
2714
2715   # Some versions of capstone have broken pkg-config file
2716   # that reports a wrong -I path, causing the #include to
2717   # fail later. If the system has such a broken version
2718   # do not use it.
2719   if capstone.found() and not cc.compiles('#include <capstone.h>',
2720                                           dependencies: [capstone])
2721     capstone = not_found
2722     if get_option('capstone').enabled()
2723       error('capstone requested, but it does not appear to work')
2724     endif
2725   endif
2726 endif
2727
2728 libvfio_user_dep = not_found
2729 if have_system and vfio_user_server_allowed
2730   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2731
2732   if not have_internal
2733     error('libvfio-user source not found - please pull git submodule')
2734   endif
2735
2736   libvfio_user_proj = subproject('libvfio-user')
2737
2738   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2739
2740   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2741 endif
2742
2743 fdt = not_found
2744 if have_system
2745   fdt_opt = get_option('fdt')
2746   if fdt_opt in ['enabled', 'auto', 'system']
2747     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2748     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2749                           required: fdt_opt == 'system' or
2750                                     fdt_opt == 'enabled' and not have_internal)
2751     if fdt.found() and cc.links('''
2752        #include <libfdt.h>
2753        #include <libfdt_env.h>
2754        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2755          dependencies: fdt)
2756       fdt_opt = 'system'
2757     elif fdt_opt == 'system'
2758        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2759     elif have_internal
2760       fdt_opt = 'internal'
2761     else
2762       fdt_opt = 'disabled'
2763       fdt = not_found
2764     endif
2765   endif
2766   if fdt_opt == 'internal'
2767     fdt_files = files(
2768       'dtc/libfdt/fdt.c',
2769       'dtc/libfdt/fdt_ro.c',
2770       'dtc/libfdt/fdt_wip.c',
2771       'dtc/libfdt/fdt_sw.c',
2772       'dtc/libfdt/fdt_rw.c',
2773       'dtc/libfdt/fdt_strerror.c',
2774       'dtc/libfdt/fdt_empty_tree.c',
2775       'dtc/libfdt/fdt_addresses.c',
2776       'dtc/libfdt/fdt_overlay.c',
2777       'dtc/libfdt/fdt_check.c',
2778     )
2779
2780     fdt_inc = include_directories('dtc/libfdt')
2781     libfdt = static_library('fdt',
2782                             build_by_default: false,
2783                             sources: fdt_files,
2784                             include_directories: fdt_inc)
2785     fdt = declare_dependency(link_with: libfdt,
2786                              include_directories: fdt_inc)
2787   endif
2788 else
2789   fdt_opt = 'disabled'
2790 endif
2791 if not fdt.found() and fdt_required.length() > 0
2792   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2793 endif
2794
2795 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2796 config_host_data.set('CONFIG_FDT', fdt.found())
2797 config_host_data.set('CONFIG_SLIRP', slirp.found())
2798
2799 #####################
2800 # Generated sources #
2801 #####################
2802
2803 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2804
2805 hxtool = find_program('scripts/hxtool')
2806 shaderinclude = find_program('scripts/shaderinclude.py')
2807 qapi_gen = find_program('scripts/qapi-gen.py')
2808 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2809                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2810                      meson.current_source_dir() / 'scripts/qapi/common.py',
2811                      meson.current_source_dir() / 'scripts/qapi/error.py',
2812                      meson.current_source_dir() / 'scripts/qapi/events.py',
2813                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2814                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2815                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2816                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2817                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2818                      meson.current_source_dir() / 'scripts/qapi/source.py',
2819                      meson.current_source_dir() / 'scripts/qapi/types.py',
2820                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2821                      meson.current_source_dir() / 'scripts/qapi/common.py',
2822                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2823 ]
2824
2825 tracetool = [
2826   python, files('scripts/tracetool.py'),
2827    '--backend=' + ','.join(get_option('trace_backends'))
2828 ]
2829 tracetool_depends = files(
2830   'scripts/tracetool/backend/log.py',
2831   'scripts/tracetool/backend/__init__.py',
2832   'scripts/tracetool/backend/dtrace.py',
2833   'scripts/tracetool/backend/ftrace.py',
2834   'scripts/tracetool/backend/simple.py',
2835   'scripts/tracetool/backend/syslog.py',
2836   'scripts/tracetool/backend/ust.py',
2837   'scripts/tracetool/format/ust_events_c.py',
2838   'scripts/tracetool/format/ust_events_h.py',
2839   'scripts/tracetool/format/__init__.py',
2840   'scripts/tracetool/format/d.py',
2841   'scripts/tracetool/format/simpletrace_stap.py',
2842   'scripts/tracetool/format/c.py',
2843   'scripts/tracetool/format/h.py',
2844   'scripts/tracetool/format/log_stap.py',
2845   'scripts/tracetool/format/stap.py',
2846   'scripts/tracetool/__init__.py',
2847   'scripts/tracetool/transform.py',
2848   'scripts/tracetool/vcpu.py'
2849 )
2850
2851 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2852                     meson.current_source_dir(),
2853                     get_option('pkgversion'), meson.project_version()]
2854 qemu_version = custom_target('qemu-version.h',
2855                              output: 'qemu-version.h',
2856                              command: qemu_version_cmd,
2857                              capture: true,
2858                              build_by_default: true,
2859                              build_always_stale: true)
2860 genh += qemu_version
2861
2862 hxdep = []
2863 hx_headers = [
2864   ['qemu-options.hx', 'qemu-options.def'],
2865   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2866 ]
2867 if have_system
2868   hx_headers += [
2869     ['hmp-commands.hx', 'hmp-commands.h'],
2870     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2871   ]
2872 endif
2873 foreach d : hx_headers
2874   hxdep += custom_target(d[1],
2875                 input: files(d[0]),
2876                 output: d[1],
2877                 capture: true,
2878                 build_by_default: true, # to be removed when added to a target
2879                 command: [hxtool, '-h', '@INPUT0@'])
2880 endforeach
2881 genh += hxdep
2882
2883 ###################
2884 # Collect sources #
2885 ###################
2886
2887 authz_ss = ss.source_set()
2888 blockdev_ss = ss.source_set()
2889 block_ss = ss.source_set()
2890 chardev_ss = ss.source_set()
2891 common_ss = ss.source_set()
2892 crypto_ss = ss.source_set()
2893 hwcore_ss = ss.source_set()
2894 io_ss = ss.source_set()
2895 qmp_ss = ss.source_set()
2896 qom_ss = ss.source_set()
2897 softmmu_ss = ss.source_set()
2898 specific_fuzz_ss = ss.source_set()
2899 specific_ss = ss.source_set()
2900 stub_ss = ss.source_set()
2901 trace_ss = ss.source_set()
2902 user_ss = ss.source_set()
2903 util_ss = ss.source_set()
2904
2905 # accel modules
2906 qtest_module_ss = ss.source_set()
2907 tcg_module_ss = ss.source_set()
2908
2909 modules = {}
2910 target_modules = {}
2911 hw_arch = {}
2912 target_arch = {}
2913 target_softmmu_arch = {}
2914 target_user_arch = {}
2915
2916 ###############
2917 # Trace files #
2918 ###############
2919
2920 # TODO: add each directory to the subdirs from its own meson.build, once
2921 # we have those
2922 trace_events_subdirs = [
2923   'crypto',
2924   'qapi',
2925   'qom',
2926   'monitor',
2927   'util',
2928   'gdbstub',
2929 ]
2930 if have_linux_user
2931   trace_events_subdirs += [ 'linux-user' ]
2932 endif
2933 if have_bsd_user
2934   trace_events_subdirs += [ 'bsd-user' ]
2935 endif
2936 if have_block
2937   trace_events_subdirs += [
2938     'authz',
2939     'block',
2940     'io',
2941     'nbd',
2942     'scsi',
2943   ]
2944 endif
2945 if have_system
2946   trace_events_subdirs += [
2947     'accel/kvm',
2948     'audio',
2949     'backends',
2950     'backends/tpm',
2951     'chardev',
2952     'ebpf',
2953     'hw/9pfs',
2954     'hw/acpi',
2955     'hw/adc',
2956     'hw/alpha',
2957     'hw/arm',
2958     'hw/audio',
2959     'hw/block',
2960     'hw/block/dataplane',
2961     'hw/char',
2962     'hw/display',
2963     'hw/dma',
2964     'hw/hyperv',
2965     'hw/i2c',
2966     'hw/i386',
2967     'hw/i386/xen',
2968     'hw/ide',
2969     'hw/input',
2970     'hw/intc',
2971     'hw/isa',
2972     'hw/mem',
2973     'hw/mips',
2974     'hw/misc',
2975     'hw/misc/macio',
2976     'hw/net',
2977     'hw/net/can',
2978     'hw/nubus',
2979     'hw/nvme',
2980     'hw/nvram',
2981     'hw/pci',
2982     'hw/pci-host',
2983     'hw/ppc',
2984     'hw/rdma',
2985     'hw/rdma/vmw',
2986     'hw/rtc',
2987     'hw/s390x',
2988     'hw/scsi',
2989     'hw/sd',
2990     'hw/sh4',
2991     'hw/sparc',
2992     'hw/sparc64',
2993     'hw/ssi',
2994     'hw/timer',
2995     'hw/tpm',
2996     'hw/usb',
2997     'hw/vfio',
2998     'hw/virtio',
2999     'hw/watchdog',
3000     'hw/xen',
3001     'hw/gpio',
3002     'migration',
3003     'net',
3004     'softmmu',
3005     'ui',
3006     'hw/remote',
3007   ]
3008 endif
3009 if have_system or have_user
3010   trace_events_subdirs += [
3011     'accel/tcg',
3012     'hw/core',
3013     'target/arm',
3014     'target/arm/hvf',
3015     'target/hppa',
3016     'target/i386',
3017     'target/i386/kvm',
3018     'target/mips/tcg',
3019     'target/nios2',
3020     'target/ppc',
3021     'target/riscv',
3022     'target/s390x',
3023     'target/s390x/kvm',
3024     'target/sparc',
3025   ]
3026 endif
3027
3028 vhost_user = not_found
3029 if targetos == 'linux' and have_vhost_user
3030   libvhost_user = subproject('libvhost-user')
3031   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3032 endif
3033
3034 libvduse = not_found
3035 if have_libvduse
3036   libvduse_proj = subproject('libvduse')
3037   libvduse = libvduse_proj.get_variable('libvduse_dep')
3038 endif
3039
3040 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3041 # that is filled in by qapi/.
3042 subdir('qapi')
3043 subdir('qobject')
3044 subdir('stubs')
3045 subdir('trace')
3046 subdir('util')
3047 subdir('qom')
3048 subdir('authz')
3049 subdir('crypto')
3050 subdir('ui')
3051 subdir('hw')
3052 subdir('gdbstub')
3053
3054
3055 if enable_modules
3056   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3057   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3058 endif
3059
3060 qom_ss = qom_ss.apply(config_host, strict: false)
3061 libqom = static_library('qom', qom_ss.sources() + genh,
3062                         dependencies: [qom_ss.dependencies()],
3063                         name_suffix: 'fa')
3064 qom = declare_dependency(link_whole: libqom)
3065
3066 event_loop_base = files('event-loop-base.c')
3067 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3068                                  build_by_default: true)
3069 event_loop_base = declare_dependency(link_whole: event_loop_base,
3070                                      dependencies: [qom])
3071
3072 stub_ss = stub_ss.apply(config_all, strict: false)
3073
3074 util_ss.add_all(trace_ss)
3075 util_ss = util_ss.apply(config_all, strict: false)
3076 libqemuutil = static_library('qemuutil',
3077                              sources: util_ss.sources() + stub_ss.sources() + genh,
3078                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3079 qemuutil = declare_dependency(link_with: libqemuutil,
3080                               sources: genh + version_res,
3081                               dependencies: [event_loop_base])
3082
3083 if have_system or have_user
3084   decodetree = generator(find_program('scripts/decodetree.py'),
3085                          output: 'decode-@BASENAME@.c.inc',
3086                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3087   subdir('libdecnumber')
3088   subdir('target')
3089 endif
3090
3091 subdir('audio')
3092 subdir('io')
3093 subdir('chardev')
3094 subdir('fsdev')
3095 subdir('dump')
3096
3097 if have_block
3098   block_ss.add(files(
3099     'block.c',
3100     'blockjob.c',
3101     'job.c',
3102     'qemu-io-cmds.c',
3103   ))
3104   if config_host_data.get('CONFIG_REPLICATION')
3105     block_ss.add(files('replication.c'))
3106   endif
3107
3108   subdir('nbd')
3109   subdir('scsi')
3110   subdir('block')
3111
3112   blockdev_ss.add(files(
3113     'blockdev.c',
3114     'blockdev-nbd.c',
3115     'iothread.c',
3116     'job-qmp.c',
3117   ), gnutls)
3118
3119   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3120   # os-win32.c does not
3121   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3122   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3123 endif
3124
3125 common_ss.add(files('cpus-common.c'))
3126
3127 subdir('softmmu')
3128
3129 common_ss.add(capstone)
3130 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3131
3132 # Work around a gcc bug/misfeature wherein constant propagation looks
3133 # through an alias:
3134 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3135 # to guess that a const variable is always zero.  Without lto, this is
3136 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3137 # without lto, not even the alias is required -- we simply use different
3138 # declarations in different compilation units.
3139 pagevary = files('page-vary-common.c')
3140 if get_option('b_lto')
3141   pagevary_flags = ['-fno-lto']
3142   if get_option('cfi')
3143     pagevary_flags += '-fno-sanitize=cfi-icall'
3144   endif
3145   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3146                             c_args: pagevary_flags)
3147   pagevary = declare_dependency(link_with: pagevary)
3148 endif
3149 common_ss.add(pagevary)
3150 specific_ss.add(files('page-vary.c'))
3151
3152 subdir('backends')
3153 subdir('disas')
3154 subdir('migration')
3155 subdir('monitor')
3156 subdir('net')
3157 subdir('replay')
3158 subdir('semihosting')
3159 subdir('stats')
3160 subdir('tcg')
3161 subdir('fpu')
3162 subdir('accel')
3163 subdir('plugins')
3164 subdir('ebpf')
3165
3166 common_user_inc = []
3167
3168 subdir('common-user')
3169 subdir('bsd-user')
3170 subdir('linux-user')
3171
3172 # needed for fuzzing binaries
3173 subdir('tests/qtest/libqos')
3174 subdir('tests/qtest/fuzz')
3175
3176 # accel modules
3177 tcg_real_module_ss = ss.source_set()
3178 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3179 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3180 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3181                                 'tcg': tcg_real_module_ss }}
3182
3183 ########################
3184 # Library dependencies #
3185 ########################
3186
3187 modinfo_collect = find_program('scripts/modinfo-collect.py')
3188 modinfo_generate = find_program('scripts/modinfo-generate.py')
3189 modinfo_files = []
3190
3191 block_mods = []
3192 softmmu_mods = []
3193 foreach d, list : modules
3194   foreach m, module_ss : list
3195     if enable_modules and targetos != 'windows'
3196       module_ss = module_ss.apply(config_all, strict: false)
3197       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3198                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3199       if d == 'block'
3200         block_mods += sl
3201       else
3202         softmmu_mods += sl
3203       endif
3204       if module_ss.sources() != []
3205         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3206         # input. Sources can be used multiple times but objects are
3207         # unique when it comes to lookup in compile_commands.json.
3208         # Depnds on a mesion version with
3209         # https://github.com/mesonbuild/meson/pull/8900
3210         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3211                                        output: d + '-' + m + '.modinfo',
3212                                        input: module_ss.sources() + genh,
3213                                        capture: true,
3214                                        command: [modinfo_collect, module_ss.sources()])
3215       endif
3216     else
3217       if d == 'block'
3218         block_ss.add_all(module_ss)
3219       else
3220         softmmu_ss.add_all(module_ss)
3221       endif
3222     endif
3223   endforeach
3224 endforeach
3225
3226 foreach d, list : target_modules
3227   foreach m, module_ss : list
3228     if enable_modules and targetos != 'windows'
3229       foreach target : target_dirs
3230         if target.endswith('-softmmu')
3231           config_target = config_target_mak[target]
3232           config_target += config_host
3233           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3234           c_args = ['-DNEED_CPU_H',
3235                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3236                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3237           target_module_ss = module_ss.apply(config_target, strict: false)
3238           if target_module_ss.sources() != []
3239             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3240             sl = static_library(module_name,
3241                                 [genh, target_module_ss.sources()],
3242                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3243                                 include_directories: target_inc,
3244                                 c_args: c_args,
3245                                 pic: true)
3246             softmmu_mods += sl
3247             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3248             modinfo_files += custom_target(module_name + '.modinfo',
3249                                            output: module_name + '.modinfo',
3250                                            input: target_module_ss.sources() + genh,
3251                                            capture: true,
3252                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3253           endif
3254         endif
3255       endforeach
3256     else
3257       specific_ss.add_all(module_ss)
3258     endif
3259   endforeach
3260 endforeach
3261
3262 if enable_modules
3263   foreach target : target_dirs
3264     if target.endswith('-softmmu')
3265       config_target = config_target_mak[target]
3266       config_devices_mak = target + '-config-devices.mak'
3267       modinfo_src = custom_target('modinfo-' + target + '.c',
3268                                   output: 'modinfo-' + target + '.c',
3269                                   input: modinfo_files,
3270                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3271                                   capture: true)
3272
3273       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3274       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3275
3276       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3277       hw_arch[arch].add(modinfo_dep)
3278     endif
3279   endforeach
3280 endif
3281
3282 nm = find_program('nm')
3283 undefsym = find_program('scripts/undefsym.py')
3284 block_syms = custom_target('block.syms', output: 'block.syms',
3285                              input: [libqemuutil, block_mods],
3286                              capture: true,
3287                              command: [undefsym, nm, '@INPUT@'])
3288 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3289                              input: [libqemuutil, softmmu_mods],
3290                              capture: true,
3291                              command: [undefsym, nm, '@INPUT@'])
3292
3293 authz_ss = authz_ss.apply(config_host, strict: false)
3294 libauthz = static_library('authz', authz_ss.sources() + genh,
3295                           dependencies: [authz_ss.dependencies()],
3296                           name_suffix: 'fa',
3297                           build_by_default: false)
3298
3299 authz = declare_dependency(link_whole: libauthz,
3300                            dependencies: qom)
3301
3302 crypto_ss = crypto_ss.apply(config_host, strict: false)
3303 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3304                            dependencies: [crypto_ss.dependencies()],
3305                            name_suffix: 'fa',
3306                            build_by_default: false)
3307
3308 crypto = declare_dependency(link_whole: libcrypto,
3309                             dependencies: [authz, qom])
3310
3311 io_ss = io_ss.apply(config_host, strict: false)
3312 libio = static_library('io', io_ss.sources() + genh,
3313                        dependencies: [io_ss.dependencies()],
3314                        link_with: libqemuutil,
3315                        name_suffix: 'fa',
3316                        build_by_default: false)
3317
3318 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3319
3320 libmigration = static_library('migration', sources: migration_files + genh,
3321                               name_suffix: 'fa',
3322                               build_by_default: false)
3323 migration = declare_dependency(link_with: libmigration,
3324                                dependencies: [zlib, qom, io])
3325 softmmu_ss.add(migration)
3326
3327 block_ss = block_ss.apply(config_host, strict: false)
3328 libblock = static_library('block', block_ss.sources() + genh,
3329                           dependencies: block_ss.dependencies(),
3330                           link_depends: block_syms,
3331                           name_suffix: 'fa',
3332                           build_by_default: false)
3333
3334 block = declare_dependency(link_whole: [libblock],
3335                            link_args: '@block.syms',
3336                            dependencies: [crypto, io])
3337
3338 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3339 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3340                              dependencies: blockdev_ss.dependencies(),
3341                              name_suffix: 'fa',
3342                              build_by_default: false)
3343
3344 blockdev = declare_dependency(link_whole: [libblockdev],
3345                               dependencies: [block, event_loop_base])
3346
3347 qmp_ss = qmp_ss.apply(config_host, strict: false)
3348 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3349                         dependencies: qmp_ss.dependencies(),
3350                         name_suffix: 'fa',
3351                         build_by_default: false)
3352
3353 qmp = declare_dependency(link_whole: [libqmp])
3354
3355 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3356                             name_suffix: 'fa',
3357                             dependencies: chardev_ss.dependencies(),
3358                             build_by_default: false)
3359
3360 chardev = declare_dependency(link_whole: libchardev)
3361
3362 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3363 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3364                            name_suffix: 'fa',
3365                            build_by_default: false)
3366 hwcore = declare_dependency(link_whole: libhwcore)
3367 common_ss.add(hwcore)
3368
3369 ###########
3370 # Targets #
3371 ###########
3372
3373 emulator_modules = []
3374 foreach m : block_mods + softmmu_mods
3375   emulator_modules += shared_module(m.name(),
3376                 build_by_default: true,
3377                 name_prefix: '',
3378                 link_whole: m,
3379                 install: true,
3380                 install_dir: qemu_moddir)
3381 endforeach
3382 if emulator_modules.length() > 0
3383   alias_target('modules', emulator_modules)
3384 endif
3385
3386 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3387 common_ss.add(qom, qemuutil)
3388
3389 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3390 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3391
3392 common_all = common_ss.apply(config_all, strict: false)
3393 common_all = static_library('common',
3394                             build_by_default: false,
3395                             sources: common_all.sources() + genh,
3396                             include_directories: common_user_inc,
3397                             implicit_include_directories: false,
3398                             dependencies: common_all.dependencies(),
3399                             name_suffix: 'fa')
3400
3401 feature_to_c = find_program('scripts/feature_to_c.sh')
3402
3403 if targetos == 'darwin'
3404   entitlement = find_program('scripts/entitlement.sh')
3405 endif
3406
3407 emulators = {}
3408 foreach target : target_dirs
3409   config_target = config_target_mak[target]
3410   target_name = config_target['TARGET_NAME']
3411   target_base_arch = config_target['TARGET_BASE_ARCH']
3412   arch_srcs = [config_target_h[target]]
3413   arch_deps = []
3414   c_args = ['-DNEED_CPU_H',
3415             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3416             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3417   link_args = emulator_link_args
3418
3419   config_target += config_host
3420   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3421   if targetos == 'linux'
3422     target_inc += include_directories('linux-headers', is_system: true)
3423   endif
3424   if target.endswith('-softmmu')
3425     target_type='system'
3426     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3427     arch_srcs += t.sources()
3428     arch_deps += t.dependencies()
3429
3430     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3431     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3432     arch_srcs += hw.sources()
3433     arch_deps += hw.dependencies()
3434
3435     arch_srcs += config_devices_h[target]
3436     link_args += ['@block.syms', '@qemu.syms']
3437   else
3438     abi = config_target['TARGET_ABI_DIR']
3439     target_type='user'
3440     target_inc += common_user_inc
3441     if target_base_arch in target_user_arch
3442       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3443       arch_srcs += t.sources()
3444       arch_deps += t.dependencies()
3445     endif
3446     if 'CONFIG_LINUX_USER' in config_target
3447       base_dir = 'linux-user'
3448     endif
3449     if 'CONFIG_BSD_USER' in config_target
3450       base_dir = 'bsd-user'
3451       target_inc += include_directories('bsd-user/' / targetos)
3452       target_inc += include_directories('bsd-user/host/' / host_arch)
3453       dir = base_dir / abi
3454       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3455     endif
3456     target_inc += include_directories(
3457       base_dir,
3458       base_dir / abi,
3459     )
3460     if 'CONFIG_LINUX_USER' in config_target
3461       dir = base_dir / abi
3462       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3463       if config_target.has_key('TARGET_SYSTBL_ABI')
3464         arch_srcs += \
3465           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3466                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3467       endif
3468     endif
3469   endif
3470
3471   if 'TARGET_XML_FILES' in config_target
3472     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3473                                 output: target + '-gdbstub-xml.c',
3474                                 input: files(config_target['TARGET_XML_FILES'].split()),
3475                                 command: [feature_to_c, '@INPUT@'],
3476                                 capture: true)
3477     arch_srcs += gdbstub_xml
3478   endif
3479
3480   t = target_arch[target_base_arch].apply(config_target, strict: false)
3481   arch_srcs += t.sources()
3482   arch_deps += t.dependencies()
3483
3484   target_common = common_ss.apply(config_target, strict: false)
3485   objects = common_all.extract_objects(target_common.sources())
3486   deps = target_common.dependencies()
3487
3488   target_specific = specific_ss.apply(config_target, strict: false)
3489   arch_srcs += target_specific.sources()
3490   arch_deps += target_specific.dependencies()
3491
3492   lib = static_library('qemu-' + target,
3493                  sources: arch_srcs + genh,
3494                  dependencies: arch_deps,
3495                  objects: objects,
3496                  include_directories: target_inc,
3497                  c_args: c_args,
3498                  build_by_default: false,
3499                  name_suffix: 'fa')
3500
3501   if target.endswith('-softmmu')
3502     execs = [{
3503       'name': 'qemu-system-' + target_name,
3504       'win_subsystem': 'console',
3505       'sources': files('softmmu/main.c'),
3506       'dependencies': []
3507     }]
3508     if targetos == 'windows' and (sdl.found() or gtk.found())
3509       execs += [{
3510         'name': 'qemu-system-' + target_name + 'w',
3511         'win_subsystem': 'windows',
3512         'sources': files('softmmu/main.c'),
3513         'dependencies': []
3514       }]
3515     endif
3516     if get_option('fuzzing')
3517       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3518       execs += [{
3519         'name': 'qemu-fuzz-' + target_name,
3520         'win_subsystem': 'console',
3521         'sources': specific_fuzz.sources(),
3522         'dependencies': specific_fuzz.dependencies(),
3523       }]
3524     endif
3525   else
3526     execs = [{
3527       'name': 'qemu-' + target_name,
3528       'win_subsystem': 'console',
3529       'sources': [],
3530       'dependencies': []
3531     }]
3532   endif
3533   foreach exe: execs
3534     exe_name = exe['name']
3535     if targetos == 'darwin'
3536       exe_name += '-unsigned'
3537     endif
3538
3539     emulator = executable(exe_name, exe['sources'],
3540                install: true,
3541                c_args: c_args,
3542                dependencies: arch_deps + deps + exe['dependencies'],
3543                objects: lib.extract_all_objects(recursive: true),
3544                link_language: link_language,
3545                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3546                link_args: link_args,
3547                win_subsystem: exe['win_subsystem'])
3548
3549     if targetos == 'darwin'
3550       icon = 'pc-bios/qemu.rsrc'
3551       build_input = [emulator, files(icon)]
3552       install_input = [
3553         get_option('bindir') / exe_name,
3554         meson.current_source_dir() / icon
3555       ]
3556       if 'CONFIG_HVF' in config_target
3557         entitlements = 'accel/hvf/entitlements.plist'
3558         build_input += files(entitlements)
3559         install_input += meson.current_source_dir() / entitlements
3560       endif
3561
3562       emulators += {exe['name'] : custom_target(exe['name'],
3563                    input: build_input,
3564                    output: exe['name'],
3565                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3566       }
3567
3568       meson.add_install_script(entitlement, '--install',
3569                                get_option('bindir') / exe['name'],
3570                                install_input)
3571     else
3572       emulators += {exe['name']: emulator}
3573     endif
3574
3575     if stap.found()
3576       foreach stp: [
3577         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3578         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3579         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3580         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3581       ]
3582         custom_target(exe['name'] + stp['ext'],
3583                       input: trace_events_all,
3584                       output: exe['name'] + stp['ext'],
3585                       install: stp['install'],
3586                       install_dir: get_option('datadir') / 'systemtap/tapset',
3587                       command: [
3588                         tracetool, '--group=all', '--format=' + stp['fmt'],
3589                         '--binary=' + stp['bin'],
3590                         '--target-name=' + target_name,
3591                         '--target-type=' + target_type,
3592                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3593                         '@INPUT@', '@OUTPUT@'
3594                       ],
3595                       depend_files: tracetool_depends)
3596       endforeach
3597     endif
3598   endforeach
3599 endforeach
3600
3601 # Other build targets
3602
3603 if 'CONFIG_PLUGIN' in config_host
3604   install_headers('include/qemu/qemu-plugin.h')
3605 endif
3606
3607 subdir('qga')
3608
3609 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3610 # when we don't build tools or system
3611 if xkbcommon.found()
3612   # used for the update-keymaps target, so include rules even if !have_tools
3613   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3614                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3615 endif
3616
3617 if have_tools
3618   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3619              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3620   qemu_io = executable('qemu-io', files('qemu-io.c'),
3621              dependencies: [block, qemuutil], install: true)
3622   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3623                dependencies: [blockdev, qemuutil, gnutls, selinux],
3624                install: true)
3625
3626   subdir('storage-daemon')
3627   subdir('contrib/rdmacm-mux')
3628   subdir('contrib/elf2dmp')
3629
3630   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3631              dependencies: qemuutil,
3632              install: true)
3633
3634   if have_vhost_user
3635     subdir('contrib/vhost-user-blk')
3636     subdir('contrib/vhost-user-gpu')
3637     subdir('contrib/vhost-user-input')
3638     subdir('contrib/vhost-user-scsi')
3639   endif
3640
3641   if targetos == 'linux'
3642     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3643                dependencies: [qemuutil, libcap_ng],
3644                install: true,
3645                install_dir: get_option('libexecdir'))
3646
3647     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3648                dependencies: [authz, crypto, io, qom, qemuutil,
3649                               libcap_ng, mpathpersist],
3650                install: true)
3651   endif
3652
3653   if have_ivshmem
3654     subdir('contrib/ivshmem-client')
3655     subdir('contrib/ivshmem-server')
3656   endif
3657 endif
3658
3659 subdir('scripts')
3660 subdir('tools')
3661 subdir('pc-bios')
3662 subdir('docs')
3663 subdir('tests')
3664 if gtk.found()
3665   subdir('po')
3666 endif
3667
3668 if host_machine.system() == 'windows'
3669   nsis_cmd = [
3670     find_program('scripts/nsis.py'),
3671     '@OUTPUT@',
3672     get_option('prefix'),
3673     meson.current_source_dir(),
3674     config_host['GLIB_BINDIR'],
3675     host_machine.cpu(),
3676     '--',
3677     '-DDISPLAYVERSION=' + meson.project_version(),
3678   ]
3679   if build_docs
3680     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3681   endif
3682   if gtk.found()
3683     nsis_cmd += '-DCONFIG_GTK=y'
3684   endif
3685
3686   nsis = custom_target('nsis',
3687                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3688                        input: files('qemu.nsi'),
3689                        build_always_stale: true,
3690                        command: nsis_cmd + ['@INPUT@'])
3691   alias_target('installer', nsis)
3692 endif
3693
3694 #########################
3695 # Configuration summary #
3696 #########################
3697
3698 # Directories
3699 summary_info = {}
3700 summary_info += {'Install prefix':    get_option('prefix')}
3701 summary_info += {'BIOS directory':    qemu_datadir}
3702 pathsep = targetos == 'windows' ? ';' : ':'
3703 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3704 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3705 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3706 summary_info += {'module directory':  qemu_moddir}
3707 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3708 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3709 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3710 if targetos != 'windows'
3711   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3712   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3713 else
3714   summary_info += {'local state directory': 'queried at runtime'}
3715 endif
3716 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3717 summary_info += {'Build directory':   meson.current_build_dir()}
3718 summary_info += {'Source path':       meson.current_source_dir()}
3719 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3720 summary(summary_info, bool_yn: true, section: 'Directories')
3721
3722 # Host binaries
3723 summary_info = {}
3724 summary_info += {'git':               config_host['GIT']}
3725 summary_info += {'make':              config_host['MAKE']}
3726 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3727 summary_info += {'sphinx-build':      sphinx_build}
3728 if config_host.has_key('HAVE_GDB_BIN')
3729   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3730 endif
3731 summary_info += {'iasl':              iasl}
3732 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3733 if targetos == 'windows' and have_ga
3734   summary_info += {'wixl':            wixl}
3735 endif
3736 if slirp.found() and have_system
3737   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3738 endif
3739 summary(summary_info, bool_yn: true, section: 'Host binaries')
3740
3741 # Configurable features
3742 summary_info = {}
3743 summary_info += {'Documentation':     build_docs}
3744 summary_info += {'system-mode emulation': have_system}
3745 summary_info += {'user-mode emulation': have_user}
3746 summary_info += {'block layer':       have_block}
3747 summary_info += {'Install blobs':     get_option('install_blobs')}
3748 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3749 if config_host.has_key('CONFIG_MODULES')
3750   summary_info += {'alternative module path': get_option('module_upgrades')}
3751 endif
3752 summary_info += {'fuzzing support':   get_option('fuzzing')}
3753 if have_system
3754   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3755 endif
3756 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3757 if 'simple' in get_option('trace_backends')
3758   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3759 endif
3760 summary_info += {'D-Bus display':     dbus_display}
3761 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3762 summary_info += {'vhost-kernel support': have_vhost_kernel}
3763 summary_info += {'vhost-net support': have_vhost_net}
3764 summary_info += {'vhost-user support': have_vhost_user}
3765 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3766 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3767 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3768 summary_info += {'build guest agent': have_ga}
3769 summary(summary_info, bool_yn: true, section: 'Configurable features')
3770
3771 # Compilation information
3772 summary_info = {}
3773 summary_info += {'host CPU':          cpu}
3774 summary_info += {'host endianness':   build_machine.endian()}
3775 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3776 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3777 if link_language == 'cpp'
3778   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3779 else
3780   summary_info += {'C++ compiler':      false}
3781 endif
3782 if targetos == 'darwin'
3783   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3784 endif
3785 option_cflags = (get_option('debug') ? ['-g'] : [])
3786 if get_option('optimization') != 'plain'
3787   option_cflags += ['-O' + get_option('optimization')]
3788 endif
3789 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3790 if link_language == 'cpp'
3791   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3792 endif
3793 if targetos == 'darwin'
3794   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3795 endif
3796 link_args = get_option(link_language + '_link_args')
3797 if link_args.length() > 0
3798   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3799 endif
3800 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3801 if 'cpp' in all_languages
3802   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3803 endif
3804 if 'objc' in all_languages
3805   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3806 endif
3807 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3808 summary_info += {'profiler':          get_option('profiler')}
3809 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3810 summary_info += {'PIE':               get_option('b_pie')}
3811 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3812 summary_info += {'malloc trim support': has_malloc_trim}
3813 summary_info += {'membarrier':        have_membarrier}
3814 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3815 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3816 summary_info += {'memory allocator':  get_option('malloc')}
3817 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3818 summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')}
3819 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3820 if get_option('gprof')
3821   gprof_info = 'YES (deprecated)'
3822 else
3823   gprof_info = get_option('gprof')
3824 endif
3825 summary_info += {'gprof':             gprof_info}
3826 summary_info += {'gcov':              get_option('b_coverage')}
3827 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3828 summary_info += {'CFI support':       get_option('cfi')}
3829 if get_option('cfi')
3830   summary_info += {'CFI debug support': get_option('cfi_debug')}
3831 endif
3832 summary_info += {'strip binaries':    get_option('strip')}
3833 summary_info += {'sparse':            sparse}
3834 summary_info += {'mingw32 support':   targetos == 'windows'}
3835 summary(summary_info, bool_yn: true, section: 'Compilation')
3836
3837 # snarf the cross-compilation information for tests
3838 summary_info = {}
3839 have_cross = false
3840 foreach target: target_dirs
3841   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3842   if fs.exists(tcg_mak)
3843     config_cross_tcg = keyval.load(tcg_mak)
3844     if 'CC' in config_cross_tcg
3845       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3846       have_cross = true
3847     endif
3848   endif
3849 endforeach
3850 if have_cross
3851   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3852 endif
3853
3854 # Targets and accelerators
3855 summary_info = {}
3856 if have_system
3857   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3858   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3859   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3860   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3861   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3862   summary_info += {'Xen support':       xen.found()}
3863   if xen.found()
3864     summary_info += {'xen ctrl version':  xen.version()}
3865   endif
3866 endif
3867 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3868 if config_all.has_key('CONFIG_TCG')
3869   if get_option('tcg_interpreter')
3870     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3871   else
3872     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3873   endif
3874   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3875   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3876 endif
3877 summary_info += {'target list':       ' '.join(target_dirs)}
3878 if have_system
3879   summary_info += {'default devices':   get_option('default_devices')}
3880   summary_info += {'out of process emulation': multiprocess_allowed}
3881   summary_info += {'vfio-user server': vfio_user_server_allowed}
3882 endif
3883 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3884
3885 # Block layer
3886 summary_info = {}
3887 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3888 summary_info += {'coroutine pool':    have_coroutine_pool}
3889 if have_block
3890   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3891   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3892   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3893   summary_info += {'VirtFS support':    have_virtfs}
3894   summary_info += {'build virtiofs daemon': have_virtiofsd}
3895   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3896   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3897   summary_info += {'bochs support':     get_option('bochs').allowed()}
3898   summary_info += {'cloop support':     get_option('cloop').allowed()}
3899   summary_info += {'dmg support':       get_option('dmg').allowed()}
3900   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3901   summary_info += {'vdi support':       get_option('vdi').allowed()}
3902   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3903   summary_info += {'qed support':       get_option('qed').allowed()}
3904   summary_info += {'parallels support': get_option('parallels').allowed()}
3905   summary_info += {'FUSE exports':      fuse}
3906   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3907 endif
3908 summary(summary_info, bool_yn: true, section: 'Block layer support')
3909
3910 # Crypto
3911 summary_info = {}
3912 summary_info += {'TLS priority':      get_option('tls_priority')}
3913 summary_info += {'GNUTLS support':    gnutls}
3914 if gnutls.found()
3915   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3916 endif
3917 summary_info += {'libgcrypt':         gcrypt}
3918 summary_info += {'nettle':            nettle}
3919 if nettle.found()
3920    summary_info += {'  XTS':             xts != 'private'}
3921 endif
3922 summary_info += {'AF_ALG support':    have_afalg}
3923 summary_info += {'rng-none':          get_option('rng_none')}
3924 summary_info += {'Linux keyring':     have_keyring}
3925 summary(summary_info, bool_yn: true, section: 'Crypto')
3926
3927 # Libraries
3928 summary_info = {}
3929 if targetos == 'darwin'
3930   summary_info += {'Cocoa support':           cocoa}
3931   summary_info += {'vmnet.framework support': vmnet}
3932 endif
3933 summary_info += {'SDL support':       sdl}
3934 summary_info += {'SDL image support': sdl_image}
3935 summary_info += {'GTK support':       gtk}
3936 summary_info += {'pixman':            pixman}
3937 summary_info += {'VTE support':       vte}
3938 summary_info += {'slirp support':     slirp}
3939 summary_info += {'libtasn1':          tasn1}
3940 summary_info += {'PAM':               pam}
3941 summary_info += {'iconv support':     iconv}
3942 summary_info += {'curses support':    curses}
3943 summary_info += {'virgl support':     virgl}
3944 summary_info += {'blkio support':     blkio}
3945 summary_info += {'curl support':      curl}
3946 summary_info += {'Multipath support': mpathpersist}
3947 summary_info += {'PNG support':       png}
3948 summary_info += {'VNC support':       vnc}
3949 if vnc.found()
3950   summary_info += {'VNC SASL support':  sasl}
3951   summary_info += {'VNC JPEG support':  jpeg}
3952 endif
3953 if targetos not in ['darwin', 'haiku', 'windows']
3954   summary_info += {'OSS support':     oss}
3955   summary_info += {'sndio support':   sndio}
3956 elif targetos == 'darwin'
3957   summary_info += {'CoreAudio support': coreaudio}
3958 elif targetos == 'windows'
3959   summary_info += {'DirectSound support': dsound}
3960 endif
3961 if targetos == 'linux'
3962   summary_info += {'ALSA support':    alsa}
3963   summary_info += {'PulseAudio support': pulse}
3964 endif
3965 summary_info += {'JACK support':      jack}
3966 summary_info += {'brlapi support':    brlapi}
3967 summary_info += {'vde support':       vde}
3968 summary_info += {'netmap support':    have_netmap}
3969 summary_info += {'l2tpv3 support':    have_l2tpv3}
3970 summary_info += {'Linux AIO support': libaio}
3971 summary_info += {'Linux io_uring support': linux_io_uring}
3972 summary_info += {'ATTR/XATTR support': libattr}
3973 summary_info += {'RDMA support':      rdma}
3974 summary_info += {'PVRDMA support':    have_pvrdma}
3975 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3976 summary_info += {'libcap-ng support': libcap_ng}
3977 summary_info += {'bpf support':       libbpf}
3978 summary_info += {'spice protocol support': spice_protocol}
3979 if spice_protocol.found()
3980   summary_info += {'  spice server support': spice}
3981 endif
3982 summary_info += {'rbd support':       rbd}
3983 summary_info += {'smartcard support': cacard}
3984 summary_info += {'U2F support':       u2f}
3985 summary_info += {'libusb':            libusb}
3986 summary_info += {'usb net redir':     usbredir}
3987 summary_info += {'OpenGL support (epoxy)': opengl}
3988 summary_info += {'GBM':               gbm}
3989 summary_info += {'libiscsi support':  libiscsi}
3990 summary_info += {'libnfs support':    libnfs}
3991 if targetos == 'windows'
3992   if have_ga
3993     summary_info += {'QGA VSS support':   have_qga_vss}
3994   endif
3995 endif
3996 summary_info += {'seccomp support':   seccomp}
3997 summary_info += {'GlusterFS support': glusterfs}
3998 summary_info += {'TPM support':       have_tpm}
3999 summary_info += {'libssh support':    libssh}
4000 summary_info += {'lzo support':       lzo}
4001 summary_info += {'snappy support':    snappy}
4002 summary_info += {'bzip2 support':     libbzip2}
4003 summary_info += {'lzfse support':     liblzfse}
4004 summary_info += {'zstd support':      zstd}
4005 summary_info += {'NUMA host support': numa}
4006 summary_info += {'capstone':          capstone}
4007 summary_info += {'libpmem support':   libpmem}
4008 summary_info += {'libdaxctl support': libdaxctl}
4009 summary_info += {'libudev':           libudev}
4010 # Dummy dependency, keep .found()
4011 summary_info += {'FUSE lseek':        fuse_lseek.found()}
4012 summary_info += {'selinux':           selinux}
4013 summary_info += {'libdw':             libdw}
4014 summary(summary_info, bool_yn: true, section: 'Dependencies')
4015
4016 if not supported_cpus.contains(cpu)
4017   message()
4018   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
4019   message()
4020   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
4021   message('The QEMU project intends to remove support for this host CPU in')
4022   message('a future release if nobody volunteers to maintain it and to')
4023   message('provide a build host for our continuous integration setup.')
4024   message('configure has succeeded and you can continue to build, but')
4025   message('if you care about QEMU on this platform you should contact')
4026   message('us upstream at qemu-devel@nongnu.org.')
4027 endif
4028
4029 if not supported_oses.contains(targetos)
4030   message()
4031   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4032   message()
4033   message('Host OS ' + targetos + 'support is not currently maintained.')
4034   message('The QEMU project intends to remove support for this host OS in')
4035   message('a future release if nobody volunteers to maintain it and to')
4036   message('provide a build host for our continuous integration setup.')
4037   message('configure has succeeded and you can continue to build, but')
4038   message('if you care about QEMU on this platform you should contact')
4039   message('us upstream at qemu-devel@nongnu.org.')
4040 endif