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 sh = find_program('sh')
  18 cc = meson.get_compiler('c')
  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 # Temporary directory used for files created while
  27 # configure runs. Since it is in the build directory
  28 # we can safely blow away any previous version of it
  29 # (and we need not jump through hoops to try to delete
  30 # it when configure exits.)
  31 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  32
  33 if get_option('qemu_suffix').startswith('/')
  34   error('qemu_suffix cannot start with a /')
  35 endif
  36
  37 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  38 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  39 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  40 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  41
  42 qemu_desktopdir = get_option('datadir') / 'applications'
  43 qemu_icondir = get_option('datadir') / 'icons'
  44
  45 config_host_data = configuration_data()
  46 genh = []
  47 qapi_trace_events = []
  48
  49 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  50 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  51 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  52   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  53
  54 cpu = host_machine.cpu_family()
  55
  56 # Unify riscv* to a single family.
  57 if cpu in ['riscv32', 'riscv64']
  58   cpu = 'riscv'
  59 endif
  60
  61 targetos = host_machine.system()
  62
  63 target_dirs = config_host['TARGET_DIRS'].split()
  64 have_linux_user = false
  65 have_bsd_user = false
  66 have_system = false
  67 foreach target : target_dirs
  68   have_linux_user = have_linux_user or target.endswith('linux-user')
  69   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  70   have_system = have_system or target.endswith('-softmmu')
  71 endforeach
  72 have_user = have_linux_user or have_bsd_user
  73 have_tools = get_option('tools') \
  74   .disable_auto_if(not have_system) \
  75   .allowed()
  76 have_ga = get_option('guest_agent') \
  77   .disable_auto_if(not have_system and not have_tools) \
  78   .require(targetos in ['sunos', 'linux', 'windows'],
  79            error_message: 'unsupported OS for QEMU guest agent') \
  80   .allowed()
  81 have_block = have_system or have_tools
  82
  83 python = import('python').find_installation()
  84
  85 if cpu not in supported_cpus
  86   host_arch = 'unknown'
  87 elif cpu == 'x86'
  88   host_arch = 'i386'
  89 elif cpu == 'mips64'
  90   host_arch = 'mips'
  91 else
  92   host_arch = cpu
  93 endif
  94
  95 if cpu in ['x86', 'x86_64']
  96   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  97 elif cpu == 'aarch64'
  98   kvm_targets = ['aarch64-softmmu']
  99 elif cpu == 's390x'
 100   kvm_targets = ['s390x-softmmu']
 101 elif cpu in ['ppc', 'ppc64']
 102   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 103 elif cpu in ['mips', 'mips64']
 104   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 105 elif cpu in ['riscv']
 106   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 107 else
 108   kvm_targets = []
 109 endif
 110
 111 kvm_targets_c = '""'
 112 if get_option('kvm').allowed() and targetos == 'linux'
 113   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 114 endif
 115 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 116
 117 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 118
 119 if cpu in ['aarch64']
 120   accelerator_targets += {
 121     'CONFIG_HVF': ['aarch64-softmmu']
 122   }
 123 endif
 124
 125 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 126   # i386 emulator provides xenpv machine type for multiple architectures
 127   accelerator_targets += {
 128     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 129   }
 130 endif
 131 if cpu in ['x86', 'x86_64']
 132   accelerator_targets += {
 133     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 134     'CONFIG_HVF': ['x86_64-softmmu'],
 135     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 136     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 137   }
 138 endif
 139
 140 modular_tcg = []
 141 # Darwin does not support references to thread-local variables in modules
 142 if targetos != 'darwin'
 143   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 144 endif
 145
 146 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 147 unpack_edk2_blobs = false
 148 foreach target : edk2_targets
 149   if target in target_dirs
 150     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 151     unpack_edk2_blobs = bzip2.found()
 152     break
 153   endif
 154 endforeach
 155
 156 dtrace = not_found
 157 stap = not_found
 158 if 'dtrace' in get_option('trace_backends')
 159   dtrace = find_program('dtrace', required: true)
 160   stap = find_program('stap', required: false)
 161   if stap.found()
 162     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 163     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 164     # instead. QEMU --enable-modules depends on this because the SystemTap
 165     # semaphores are linked into the main binary and not the module's shared
 166     # object.
 167     add_global_arguments('-DSTAP_SDT_V2',
 168                          native: false, language: ['c', 'cpp', 'objc'])
 169   endif
 170 endif
 171
 172 if get_option('iasl') == ''
 173   iasl = find_program('iasl', required: false)
 174 else
 175   iasl = find_program(get_option('iasl'), required: true)
 176 endif
 177
 178 ##################
 179 # Compiler flags #
 180 ##################
 181
 182 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 183 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 184 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 185
 186 if enable_static
 187   qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
 188 endif
 189
 190 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
 191 # The combination is known as "full relro", because .got.plt is read-only too.
 192 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
 193
 194 if targetos == 'windows'
 195   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 196   # Disable ASLR for debug builds to allow debugging with gdb
 197   if get_option('optimization') == '0'
 198     qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase')
 199   endif
 200 endif
 201
 202 if get_option('gprof')
 203   qemu_cflags += ['-p']
 204   qemu_objcflags += ['-p']
 205   qemu_ldflags += ['-p']
 206 endif
 207
 208 # Specify linker-script with add_project_link_arguments so that it is not placed
 209 # within a linker --start-group/--end-group pair
 210 if get_option('fuzzing')
 211   add_project_link_arguments(['-Wl,-T,',
 212                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 213                              native: false, language: ['c', 'cpp', 'objc'])
 214
 215   # Specify a filter to only instrument code that is directly related to
 216   # virtual-devices.
 217   configure_file(output: 'instrumentation-filter',
 218                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 219                  copy: true)
 220
 221   if cc.compiles('int main () { return 0; }',
 222                   name: '-fsanitize-coverage-allowlist=/dev/null',
 223                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 224                         '-fsanitize-coverage=trace-pc'] )
 225     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 226                          native: false, language: ['c', 'cpp', 'objc'])
 227   endif
 228
 229   if get_option('fuzzing_engine') == ''
 230     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 231     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 232     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 233     # unable to bind the fuzzer-related callbacks added by instrumentation.
 234     add_global_arguments('-fsanitize=fuzzer-no-link',
 235                          native: false, language: ['c', 'cpp', 'objc'])
 236     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 237                               native: false, language: ['c', 'cpp', 'objc'])
 238     # For the actual fuzzer binaries, we need to link against the libfuzzer
 239     # library. They need to be configurable, to support OSS-Fuzz
 240     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 241   else
 242     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 243     # the needed CFLAGS have already been provided
 244     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 245   endif
 246 endif
 247
 248 add_global_arguments(qemu_cflags, native: false, language: ['c'])
 249 add_global_arguments(qemu_objcflags, native: false, language: ['objc'])
 250
 251 # Check that the C++ compiler exists and works with the C compiler.
 252 link_language = 'c'
 253 linker = cc
 254 qemu_cxxflags = []
 255 if add_languages('cpp', required: false, native: false)
 256   cxx = meson.get_compiler('cpp')
 257   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
 258                        native: false, language: 'cpp')
 259   foreach k: qemu_cflags
 260     if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
 261                  '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
 262       qemu_cxxflags += [k]
 263     endif
 264   endforeach
 265   add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 266
 267   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
 268     link_language = 'cpp'
 269     linker = cxx
 270   else
 271     message('C++ compiler does not work with C compiler')
 272     message('Disabling C++-specific optional code')
 273   endif
 274 endif
 275
 276 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
 277 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
 278   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 279 endif
 280
 281 add_global_link_arguments(qemu_ldflags, native: false, language: ['c', 'cpp', 'objc'])
 282
 283 if targetos == 'linux'
 284   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 285                         '-isystem', 'linux-headers',
 286                         language: ['c', 'cpp'])
 287 endif
 288
 289 add_project_arguments('-iquote', '.',
 290                       '-iquote', meson.current_source_dir(),
 291                       '-iquote', meson.current_source_dir() / 'include',
 292                       language: ['c', 'cpp', 'objc'])
 293
 294 if host_machine.system() == 'darwin'
 295   add_languages('objc', required: false, native: false)
 296 endif
 297
 298 sparse = find_program('cgcc', required: get_option('sparse'))
 299 if sparse.found()
 300   run_target('sparse',
 301              command: [find_program('scripts/check_sparse.py'),
 302                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 303                        '-Wno-transparent-union', '-Wno-old-initializer',
 304                        '-Wno-non-pointer-null'])
 305 endif
 306
 307 ###########################################
 308 # Target-specific checks and dependencies #
 309 ###########################################
 310
 311 # Fuzzing
 312 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 313     not cc.links('''
 314           #include <stdint.h>
 315           #include <sys/types.h>
 316           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 317           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 318         ''',
 319         args: ['-Werror', '-fsanitize=fuzzer'])
 320   error('Your compiler does not support -fsanitize=fuzzer')
 321 endif
 322
 323 # Tracing backends
 324 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 325   error('ftrace is supported only on Linux')
 326 endif
 327 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 328     #include <syslog.h>
 329     int main(void) {
 330         openlog("qemu", LOG_PID, LOG_DAEMON);
 331         syslog(LOG_INFO, "configure");
 332         return 0;
 333     }''')
 334   error('syslog is not supported on this system')
 335 endif
 336
 337 # Miscellaneous Linux-only features
 338 get_option('mpath') \
 339   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 340
 341 multiprocess_allowed = get_option('multiprocess') \
 342   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 343   .allowed()
 344
 345 vfio_user_server_allowed = get_option('vfio_user_server') \
 346   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 347   .allowed()
 348
 349 have_tpm = get_option('tpm') \
 350   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 351   .allowed()
 352
 353 # vhost
 354 have_vhost_user = get_option('vhost_user') \
 355   .disable_auto_if(targetos != 'linux') \
 356   .require(targetos != 'windows',
 357            error_message: 'vhost-user is not available on Windows').allowed()
 358 have_vhost_vdpa = get_option('vhost_vdpa') \
 359   .require(targetos == 'linux',
 360            error_message: 'vhost-vdpa is only available on Linux').allowed()
 361 have_vhost_kernel = get_option('vhost_kernel') \
 362   .require(targetos == 'linux',
 363            error_message: 'vhost-kernel is only available on Linux').allowed()
 364 have_vhost_user_crypto = get_option('vhost_crypto') \
 365   .require(have_vhost_user,
 366            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 367
 368 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 369
 370 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 371 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 372 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 373 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 374
 375 # Target-specific libraries and flags
 376 libm = cc.find_library('m', required: false)
 377 threads = dependency('threads')
 378 util = cc.find_library('util', required: false)
 379 winmm = []
 380 socket = []
 381 version_res = []
 382 coref = []
 383 iokit = []
 384 emulator_link_args = []
 385 nvmm =not_found
 386 hvf = not_found
 387 midl = not_found
 388 widl = not_found
 389 pathcch = not_found
 390 host_dsosuf = '.so'
 391 if targetos == 'windows'
 392   midl = find_program('midl', required: false)
 393   widl = find_program('widl', required: false)
 394   pathcch = cc.find_library('pathcch')
 395   socket = cc.find_library('ws2_32')
 396   winmm = cc.find_library('winmm')
 397
 398   win = import('windows')
 399   version_res = win.compile_resources('version.rc',
 400                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 401                                       include_directories: include_directories('.'))
 402   host_dsosuf = '.dll'
 403 elif targetos == 'darwin'
 404   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 405   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 406   host_dsosuf = '.dylib'
 407 elif targetos == 'sunos'
 408   socket = [cc.find_library('socket'),
 409             cc.find_library('nsl'),
 410             cc.find_library('resolv')]
 411 elif targetos == 'haiku'
 412   socket = [cc.find_library('posix_error_mapper'),
 413             cc.find_library('network'),
 414             cc.find_library('bsd')]
 415 elif targetos == 'openbsd'
 416   if get_option('tcg').allowed() and target_dirs.length() > 0
 417     # Disable OpenBSD W^X if available
 418     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 419   endif
 420 endif
 421
 422 # Target-specific configuration of accelerators
 423 accelerators = []
 424 if get_option('kvm').allowed() and targetos == 'linux'
 425   accelerators += 'CONFIG_KVM'
 426 endif
 427 if get_option('whpx').allowed() and targetos == 'windows'
 428   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 429     error('WHPX requires 64-bit host')
 430   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 431        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 432     accelerators += 'CONFIG_WHPX'
 433   endif
 434 endif
 435 if get_option('hvf').allowed()
 436   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 437                    required: get_option('hvf'))
 438   if hvf.found()
 439     accelerators += 'CONFIG_HVF'
 440   endif
 441 endif
 442 if get_option('hax').allowed()
 443   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 444     accelerators += 'CONFIG_HAX'
 445   endif
 446 endif
 447 if targetos == 'netbsd'
 448   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 449   if nvmm.found()
 450     accelerators += 'CONFIG_NVMM'
 451   endif
 452 endif
 453
 454 tcg_arch = host_arch
 455 if get_option('tcg').allowed()
 456   if host_arch == 'unknown'
 457     if get_option('tcg_interpreter')
 458       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 459     else
 460       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 461     endif
 462   elif get_option('tcg_interpreter')
 463     warning('Use of the TCG interpreter is not recommended on this host')
 464     warning('architecture. There is a native TCG execution backend available')
 465     warning('which provides substantially better performance and reliability.')
 466     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 467     warning('configuration option on this architecture to use the native')
 468     warning('backend.')
 469   endif
 470   if get_option('tcg_interpreter')
 471     tcg_arch = 'tci'
 472   elif host_arch == 'sparc64'
 473     tcg_arch = 'sparc'
 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: ['c', 'cpp', 'objc'])
 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: ['c', 'cpp', 'objc'])
 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 if not get_option('seccomp').auto() or have_system or have_tools
 640   seccomp = dependency('libseccomp', version: '>=2.3.0',
 641                        required: get_option('seccomp'),
 642                        method: 'pkg-config', kwargs: static_kwargs)
 643 endif
 644
 645 libcap_ng = not_found
 646 if not get_option('cap_ng').auto() or have_system or have_tools
 647   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 648                               required: get_option('cap_ng'),
 649                               kwargs: static_kwargs)
 650 endif
 651 if libcap_ng.found() and not cc.links('''
 652    #include <cap-ng.h>
 653    int main(void)
 654    {
 655      capng_capability_to_name(CAPNG_EFFECTIVE);
 656      return 0;
 657    }''', dependencies: libcap_ng)
 658   libcap_ng = not_found
 659   if get_option('cap_ng').enabled()
 660     error('could not link libcap-ng')
 661   else
 662     warning('could not link libcap-ng, disabling')
 663   endif
 664 endif
 665
 666 if get_option('xkbcommon').auto() and not have_system and not have_tools
 667   xkbcommon = not_found
 668 else
 669   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 670                          method: 'pkg-config', kwargs: static_kwargs)
 671 endif
 672
 673 slirp = not_found
 674 if not get_option('slirp').auto() or have_system
 675   slirp = dependency('slirp', required: get_option('slirp'),
 676                      method: 'pkg-config', kwargs: static_kwargs)
 677   # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
 678   # it passes function pointers within libslirp as callbacks for timers.
 679   # When using a system-wide shared libslirp, the type information for the
 680   # callback is missing and the timer call produces a false positive with CFI.
 681   # Do not use the "version" keyword argument to produce a better error.
 682   # with control-flow integrity.
 683   if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
 684     if get_option('slirp').enabled()
 685       error('Control-Flow Integrity requires libslirp 4.7.')
 686     else
 687       warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
 688       slirp = not_found
 689     endif
 690   endif
 691 endif
 692
 693 vde = not_found
 694 if not get_option('vde').auto() or have_system or have_tools
 695   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 696                            required: get_option('vde'),
 697                            kwargs: static_kwargs)
 698 endif
 699 if vde.found() and not cc.links('''
 700    #include <libvdeplug.h>
 701    int main(void)
 702    {
 703      struct vde_open_args a = {0, 0, 0};
 704      char s[] = "";
 705      vde_open(s, s, &a);
 706      return 0;
 707    }''', dependencies: vde)
 708   vde = not_found
 709   if get_option('cap_ng').enabled()
 710     error('could not link libvdeplug')
 711   else
 712     warning('could not link libvdeplug, disabling')
 713   endif
 714 endif
 715
 716 pulse = not_found
 717 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 718   pulse = dependency('libpulse', required: get_option('pa'),
 719                      method: 'pkg-config', kwargs: static_kwargs)
 720 endif
 721 alsa = not_found
 722 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 723   alsa = dependency('alsa', required: get_option('alsa'),
 724                     method: 'pkg-config', kwargs: static_kwargs)
 725 endif
 726 jack = not_found
 727 if not get_option('jack').auto() or have_system
 728   jack = dependency('jack', required: get_option('jack'),
 729                     method: 'pkg-config', kwargs: static_kwargs)
 730 endif
 731 sndio = not_found
 732 if not get_option('sndio').auto() or have_system
 733   sndio = dependency('sndio', required: get_option('sndio'),
 734                     method: 'pkg-config', kwargs: static_kwargs)
 735 endif
 736
 737 spice_protocol = not_found
 738 if not get_option('spice_protocol').auto() or have_system
 739   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 740                               required: get_option('spice_protocol'),
 741                               method: 'pkg-config', kwargs: static_kwargs)
 742 endif
 743 spice = not_found
 744 if not get_option('spice').auto() or have_system
 745   spice = dependency('spice-server', version: '>=0.12.5',
 746                      required: get_option('spice'),
 747                      method: 'pkg-config', kwargs: static_kwargs)
 748 endif
 749 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 750
 751 rt = cc.find_library('rt', required: false)
 752
 753 libiscsi = not_found
 754 if not get_option('libiscsi').auto() or have_block
 755   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 756                          required: get_option('libiscsi'),
 757                          method: 'pkg-config', kwargs: static_kwargs)
 758 endif
 759 zstd = not_found
 760 if not get_option('zstd').auto() or have_block
 761   zstd = dependency('libzstd', version: '>=1.4.0',
 762                     required: get_option('zstd'),
 763                     method: 'pkg-config', kwargs: static_kwargs)
 764 endif
 765 virgl = not_found
 766
 767 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 768 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 769   virgl = dependency('virglrenderer',
 770                      method: 'pkg-config',
 771                      required: get_option('virglrenderer'),
 772                      kwargs: static_kwargs)
 773 endif
 774 curl = not_found
 775 if not get_option('curl').auto() or have_block
 776   curl = dependency('libcurl', version: '>=7.29.0',
 777                     method: 'pkg-config',
 778                     required: get_option('curl'),
 779                     kwargs: static_kwargs)
 780 endif
 781 libudev = not_found
 782 if targetos == 'linux' and (have_system or have_tools)
 783   libudev = dependency('libudev',
 784                        method: 'pkg-config',
 785                        required: get_option('libudev'),
 786                        kwargs: static_kwargs)
 787 endif
 788
 789 mpathlibs = [libudev]
 790 mpathpersist = not_found
 791 mpathpersist_new_api = false
 792 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 793   mpath_test_source_new = '''
 794     #include <libudev.h>
 795     #include <mpath_persist.h>
 796     unsigned mpath_mx_alloc_len = 1024;
 797     int logsink;
 798     static struct config *multipath_conf;
 799     extern struct udev *udev;
 800     extern struct config *get_multipath_config(void);
 801     extern void put_multipath_config(struct config *conf);
 802     struct udev *udev;
 803     struct config *get_multipath_config(void) { return multipath_conf; }
 804     void put_multipath_config(struct config *conf) { }
 805     int main(void) {
 806         udev = udev_new();
 807         multipath_conf = mpath_lib_init();
 808         return 0;
 809     }'''
 810   mpath_test_source_old = '''
 811       #include <libudev.h>
 812       #include <mpath_persist.h>
 813       unsigned mpath_mx_alloc_len = 1024;
 814       int logsink;
 815       int main(void) {
 816           struct udev *udev = udev_new();
 817           mpath_lib_init(udev);
 818           return 0;
 819       }'''
 820   libmpathpersist = cc.find_library('mpathpersist',
 821                                     required: get_option('mpath'),
 822                                     kwargs: static_kwargs)
 823   if libmpathpersist.found()
 824     mpathlibs += libmpathpersist
 825     if enable_static
 826       mpathlibs += cc.find_library('devmapper',
 827                                      required: get_option('mpath'),
 828                                      kwargs: static_kwargs)
 829     endif
 830     mpathlibs += cc.find_library('multipath',
 831                                  required: get_option('mpath'),
 832                                  kwargs: static_kwargs)
 833     foreach lib: mpathlibs
 834       if not lib.found()
 835         mpathlibs = []
 836         break
 837       endif
 838     endforeach
 839     if mpathlibs.length() == 0
 840       msg = 'Dependencies missing for libmpathpersist'
 841     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 842       mpathpersist = declare_dependency(dependencies: mpathlibs)
 843       mpathpersist_new_api = true
 844     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 845       mpathpersist = declare_dependency(dependencies: mpathlibs)
 846     else
 847       msg = 'Cannot detect libmpathpersist API'
 848     endif
 849     if not mpathpersist.found()
 850       if get_option('mpath').enabled()
 851         error(msg)
 852       else
 853         warning(msg + ', disabling')
 854       endif
 855     endif
 856   endif
 857 endif
 858
 859 iconv = not_found
 860 curses = not_found
 861 if have_system and get_option('curses').allowed()
 862   curses_test = '''
 863     #if defined(__APPLE__) || defined(__OpenBSD__)
 864     #define _XOPEN_SOURCE_EXTENDED 1
 865     #endif
 866     #include <locale.h>
 867     #include <curses.h>
 868     #include <wchar.h>
 869     int main(void) {
 870       wchar_t wch = L'w';
 871       setlocale(LC_ALL, "");
 872       resize_term(0, 0);
 873       addwstr(L"wide chars\n");
 874       addnwstr(&wch, 1);
 875       add_wch(WACS_DEGREE);
 876       return 0;
 877     }'''
 878
 879   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 880   curses = dependency(curses_dep_list,
 881                       required: false,
 882                       method: 'pkg-config',
 883                       kwargs: static_kwargs)
 884   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 885   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 886   if curses.found()
 887     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 888       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 889     else
 890       msg = 'curses package not usable'
 891       curses = not_found
 892     endif
 893   endif
 894   if not curses.found()
 895     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 896     if targetos != 'windows' and not has_curses_h
 897       message('Trying with /usr/include/ncursesw')
 898       curses_compile_args += ['-I/usr/include/ncursesw']
 899       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 900     endif
 901     if has_curses_h
 902       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 903       foreach curses_libname : curses_libname_list
 904         libcurses = cc.find_library(curses_libname,
 905                                     required: false,
 906                                     kwargs: static_kwargs)
 907         if libcurses.found()
 908           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 909             curses = declare_dependency(compile_args: curses_compile_args,
 910                                         dependencies: [libcurses])
 911             break
 912           else
 913             msg = 'curses library not usable'
 914           endif
 915         endif
 916       endforeach
 917     endif
 918   endif
 919   if get_option('iconv').allowed()
 920     foreach link_args : [ ['-liconv'], [] ]
 921       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 922       # We need to use libiconv if available because mixing libiconv's headers with
 923       # the system libc does not work.
 924       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 925       # included in the command line and libiconv will not be found.
 926       if cc.links('''
 927         #include <iconv.h>
 928         int main(void) {
 929           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 930           return conv != (iconv_t) -1;
 931         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 932         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 933         break
 934       endif
 935     endforeach
 936   endif
 937   if curses.found() and not iconv.found()
 938     if get_option('iconv').enabled()
 939       error('iconv not available')
 940     endif
 941     msg = 'iconv required for curses UI but not available'
 942     curses = not_found
 943   endif
 944   if not curses.found() and msg != ''
 945     if get_option('curses').enabled()
 946       error(msg)
 947     else
 948       warning(msg + ', disabling')
 949     endif
 950   endif
 951 endif
 952
 953 brlapi = not_found
 954 if not get_option('brlapi').auto() or have_system
 955   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 956                          required: get_option('brlapi'),
 957                          kwargs: static_kwargs)
 958   if brlapi.found() and not cc.links('''
 959      #include <brlapi.h>
 960      #include <stddef.h>
 961      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 962     brlapi = not_found
 963     if get_option('brlapi').enabled()
 964       error('could not link brlapi')
 965     else
 966       warning('could not link brlapi, disabling')
 967     endif
 968   endif
 969 endif
 970
 971 sdl = not_found
 972 if not get_option('sdl').auto() or have_system
 973   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 974   sdl_image = not_found
 975 endif
 976 if sdl.found()
 977   # work around 2.0.8 bug
 978   sdl = declare_dependency(compile_args: '-Wno-undef',
 979                            dependencies: sdl)
 980   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 981                          method: 'pkg-config', kwargs: static_kwargs)
 982 else
 983   if get_option('sdl_image').enabled()
 984     error('sdl-image required, but SDL was @0@'.format(
 985           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 986   endif
 987   sdl_image = not_found
 988 endif
 989
 990 rbd = not_found
 991 if not get_option('rbd').auto() or have_block
 992   librados = cc.find_library('rados', required: get_option('rbd'),
 993                              kwargs: static_kwargs)
 994   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 995                            required: get_option('rbd'),
 996                            kwargs: static_kwargs)
 997   if librados.found() and librbd.found()
 998     if cc.links('''
 999       #include <stdio.h>
1000       #include <rbd/librbd.h>
1001       int main(void) {
1002         rados_t cluster;
1003         rados_create(&cluster, NULL);
1004         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1005         #error
1006         #endif
1007         return 0;
1008       }''', dependencies: [librbd, librados])
1009       rbd = declare_dependency(dependencies: [librbd, librados])
1010     elif get_option('rbd').enabled()
1011       error('librbd >= 1.12.0 required')
1012     else
1013       warning('librbd >= 1.12.0 not found, disabling')
1014     endif
1015   endif
1016 endif
1017
1018 glusterfs = not_found
1019 glusterfs_ftruncate_has_stat = false
1020 glusterfs_iocb_has_stat = false
1021 if not get_option('glusterfs').auto() or have_block
1022   glusterfs = dependency('glusterfs-api', version: '>=3',
1023                          required: get_option('glusterfs'),
1024                          method: 'pkg-config', kwargs: static_kwargs)
1025   if glusterfs.found()
1026     glusterfs_ftruncate_has_stat = cc.links('''
1027       #include <glusterfs/api/glfs.h>
1028
1029       int
1030       main(void)
1031       {
1032           /* new glfs_ftruncate() passes two additional args */
1033           return glfs_ftruncate(NULL, 0, NULL, NULL);
1034       }
1035     ''', dependencies: glusterfs)
1036     glusterfs_iocb_has_stat = cc.links('''
1037       #include <glusterfs/api/glfs.h>
1038
1039       /* new glfs_io_cbk() passes two additional glfs_stat structs */
1040       static void
1041       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1042       {}
1043
1044       int
1045       main(void)
1046       {
1047           glfs_io_cbk iocb = &glusterfs_iocb;
1048           iocb(NULL, 0 , NULL, NULL, NULL);
1049           return 0;
1050       }
1051     ''', dependencies: glusterfs)
1052   endif
1053 endif
1054
1055 libssh = not_found
1056 if not get_option('libssh').auto() or have_block
1057   libssh = dependency('libssh', version: '>=0.8.7',
1058                     method: 'pkg-config',
1059                     required: get_option('libssh'),
1060                     kwargs: static_kwargs)
1061 endif
1062
1063 libbzip2 = not_found
1064 if not get_option('bzip2').auto() or have_block
1065   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1066                              required: get_option('bzip2'),
1067                              kwargs: static_kwargs)
1068   if libbzip2.found() and not cc.links('''
1069      #include <bzlib.h>
1070      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1071     libbzip2 = not_found
1072     if get_option('bzip2').enabled()
1073       error('could not link libbzip2')
1074     else
1075       warning('could not link libbzip2, disabling')
1076     endif
1077   endif
1078 endif
1079
1080 liblzfse = not_found
1081 if not get_option('lzfse').auto() or have_block
1082   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1083                              required: get_option('lzfse'),
1084                              kwargs: static_kwargs)
1085 endif
1086 if liblzfse.found() and not cc.links('''
1087    #include <lzfse.h>
1088    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1089   liblzfse = not_found
1090   if get_option('lzfse').enabled()
1091     error('could not link liblzfse')
1092   else
1093     warning('could not link liblzfse, disabling')
1094   endif
1095 endif
1096
1097 oss = not_found
1098 if get_option('oss').allowed() and have_system
1099   if not cc.has_header('sys/soundcard.h')
1100     # not found
1101   elif targetos == 'netbsd'
1102     oss = cc.find_library('ossaudio', required: get_option('oss'),
1103                           kwargs: static_kwargs)
1104   else
1105     oss = declare_dependency()
1106   endif
1107
1108   if not oss.found()
1109     if get_option('oss').enabled()
1110       error('OSS not found')
1111     endif
1112   endif
1113 endif
1114 dsound = not_found
1115 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1116   if cc.has_header('dsound.h')
1117     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1118   endif
1119
1120   if not dsound.found()
1121     if get_option('dsound').enabled()
1122       error('DirectSound not found')
1123     endif
1124   endif
1125 endif
1126
1127 coreaudio = not_found
1128 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1129   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1130                          required: get_option('coreaudio'))
1131 endif
1132
1133 opengl = not_found
1134 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1135   epoxy = dependency('epoxy', method: 'pkg-config',
1136                       required: get_option('opengl'), kwargs: static_kwargs)
1137   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1138     opengl = epoxy
1139   elif get_option('opengl').enabled()
1140     error('epoxy/egl.h not found')
1141   endif
1142 endif
1143 gbm = not_found
1144 if (have_system or have_tools) and (virgl.found() or opengl.found())
1145   gbm = dependency('gbm', method: 'pkg-config', required: false,
1146                    kwargs: static_kwargs)
1147 endif
1148 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1149
1150 gnutls = not_found
1151 gnutls_crypto = not_found
1152 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1153   # For general TLS support our min gnutls matches
1154   # that implied by our platform support matrix
1155   #
1156   # For the crypto backends, we look for a newer
1157   # gnutls:
1158   #
1159   #   Version 3.6.8  is needed to get XTS
1160   #   Version 3.6.13 is needed to get PBKDF
1161   #   Version 3.6.14 is needed to get HW accelerated XTS
1162   #
1163   # If newer enough gnutls isn't available, we can
1164   # still use a different crypto backend to satisfy
1165   # the platform support requirements
1166   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1167                              method: 'pkg-config',
1168                              required: false,
1169                              kwargs: static_kwargs)
1170   if gnutls_crypto.found()
1171     gnutls = gnutls_crypto
1172   else
1173     # Our min version if all we need is TLS
1174     gnutls = dependency('gnutls', version: '>=3.5.18',
1175                         method: 'pkg-config',
1176                         required: get_option('gnutls'),
1177                         kwargs: static_kwargs)
1178   endif
1179 endif
1180
1181 # We prefer use of gnutls for crypto, unless the options
1182 # explicitly asked for nettle or gcrypt.
1183 #
1184 # If gnutls isn't available for crypto, then we'll prefer
1185 # gcrypt over nettle for performance reasons.
1186 gcrypt = not_found
1187 nettle = not_found
1188 hogweed = not_found
1189 xts = 'none'
1190
1191 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1192   error('Only one of gcrypt & nettle can be enabled')
1193 endif
1194
1195 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1196 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1197   gnutls_crypto = not_found
1198 endif
1199
1200 if not gnutls_crypto.found()
1201   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1202     gcrypt = dependency('libgcrypt', version: '>=1.8',
1203                         method: 'config-tool',
1204                         required: get_option('gcrypt'),
1205                         kwargs: static_kwargs)
1206     # Debian has removed -lgpg-error from libgcrypt-config
1207     # as it "spreads unnecessary dependencies" which in
1208     # turn breaks static builds...
1209     if gcrypt.found() and enable_static
1210       gcrypt = declare_dependency(dependencies: [
1211         gcrypt,
1212         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1213     endif
1214   endif
1215   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1216     nettle = dependency('nettle', version: '>=3.4',
1217                         method: 'pkg-config',
1218                         required: get_option('nettle'),
1219                         kwargs: static_kwargs)
1220     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1221       xts = 'private'
1222     endif
1223   endif
1224 endif
1225
1226 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1227 if nettle.found() and gmp.found()
1228   hogweed = dependency('hogweed', version: '>=3.4',
1229                        method: 'pkg-config',
1230                        required: get_option('nettle'),
1231                        kwargs: static_kwargs)
1232 endif
1233
1234
1235 gtk = not_found
1236 gtkx11 = not_found
1237 vte = not_found
1238 if not get_option('gtk').auto() or have_system
1239   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1240                    method: 'pkg-config',
1241                    required: get_option('gtk'),
1242                    kwargs: static_kwargs)
1243   if gtk.found()
1244     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1245                         method: 'pkg-config',
1246                         required: false,
1247                         kwargs: static_kwargs)
1248     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1249
1250     if not get_option('vte').auto() or have_system
1251       vte = dependency('vte-2.91',
1252                        method: 'pkg-config',
1253                        required: get_option('vte'),
1254                        kwargs: static_kwargs)
1255     endif
1256   endif
1257 endif
1258
1259 x11 = not_found
1260 if gtkx11.found()
1261   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1262                    kwargs: static_kwargs)
1263 endif
1264 png = not_found
1265 if get_option('png').allowed() and have_system
1266    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1267                     method: 'pkg-config', kwargs: static_kwargs)
1268 endif
1269 vnc = not_found
1270 jpeg = not_found
1271 sasl = not_found
1272 if get_option('vnc').allowed() and have_system
1273   vnc = declare_dependency() # dummy dependency
1274   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1275                     method: 'pkg-config', kwargs: static_kwargs)
1276   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1277                          required: get_option('vnc_sasl'),
1278                          kwargs: static_kwargs)
1279   if sasl.found()
1280     sasl = declare_dependency(dependencies: sasl,
1281                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1282   endif
1283 endif
1284
1285 pam = not_found
1286 if not get_option('auth_pam').auto() or have_system
1287   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1288                         required: get_option('auth_pam'),
1289                         kwargs: static_kwargs)
1290 endif
1291 if pam.found() and not cc.links('''
1292    #include <stddef.h>
1293    #include <security/pam_appl.h>
1294    int main(void) {
1295      const char *service_name = "qemu";
1296      const char *user = "frank";
1297      const struct pam_conv pam_conv = { 0 };
1298      pam_handle_t *pamh = NULL;
1299      pam_start(service_name, user, &pam_conv, &pamh);
1300      return 0;
1301    }''', dependencies: pam)
1302   pam = not_found
1303   if get_option('auth_pam').enabled()
1304     error('could not link libpam')
1305   else
1306     warning('could not link libpam, disabling')
1307   endif
1308 endif
1309
1310 snappy = not_found
1311 if not get_option('snappy').auto() or have_system
1312   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1313                            required: get_option('snappy'),
1314                            kwargs: static_kwargs)
1315 endif
1316 if snappy.found() and not linker.links('''
1317    #include <snappy-c.h>
1318    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1319   snappy = not_found
1320   if get_option('snappy').enabled()
1321     error('could not link libsnappy')
1322   else
1323     warning('could not link libsnappy, disabling')
1324   endif
1325 endif
1326
1327 lzo = not_found
1328 if not get_option('lzo').auto() or have_system
1329   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1330                         required: get_option('lzo'),
1331                         kwargs: static_kwargs)
1332 endif
1333 if lzo.found() and not cc.links('''
1334    #include <lzo/lzo1x.h>
1335    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1336   lzo = not_found
1337   if get_option('lzo').enabled()
1338     error('could not link liblzo2')
1339   else
1340     warning('could not link liblzo2, disabling')
1341   endif
1342 endif
1343
1344 numa = not_found
1345 if not get_option('numa').auto() or have_system or have_tools
1346   numa = cc.find_library('numa', has_headers: ['numa.h'],
1347                               required: get_option('numa'),
1348                               kwargs: static_kwargs)
1349 endif
1350 if numa.found() and not cc.links('''
1351    #include <numa.h>
1352    int main(void) { return numa_available(); }
1353    ''', dependencies: numa)
1354   numa = not_found
1355   if get_option('numa').enabled()
1356     error('could not link numa')
1357   else
1358     warning('could not link numa, disabling')
1359   endif
1360 endif
1361
1362 rdma = not_found
1363 if not get_option('rdma').auto() or have_system
1364   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1365   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1366                                required: get_option('rdma'),
1367                                kwargs: static_kwargs),
1368                cc.find_library('ibverbs', required: get_option('rdma'),
1369                                kwargs: static_kwargs),
1370                libumad]
1371   rdma = declare_dependency(dependencies: rdma_libs)
1372   foreach lib: rdma_libs
1373     if not lib.found()
1374       rdma = not_found
1375     endif
1376   endforeach
1377 endif
1378
1379 xen = not_found
1380 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1381   xencontrol = dependency('xencontrol', required: false,
1382                           method: 'pkg-config', kwargs: static_kwargs)
1383   if xencontrol.found()
1384     xen_pc = declare_dependency(version: xencontrol.version(),
1385       dependencies: [
1386         xencontrol,
1387         # disabler: true makes xen_pc.found() return false if any is not found
1388         dependency('xenstore', required: false,
1389                    method: 'pkg-config', kwargs: static_kwargs,
1390                    disabler: true),
1391         dependency('xenforeignmemory', required: false,
1392                    method: 'pkg-config', kwargs: static_kwargs,
1393                    disabler: true),
1394         dependency('xengnttab', required: false,
1395                    method: 'pkg-config', kwargs: static_kwargs,
1396                    disabler: true),
1397         dependency('xenevtchn', required: false,
1398                    method: 'pkg-config', kwargs: static_kwargs,
1399                    disabler: true),
1400         dependency('xendevicemodel', required: false,
1401                    method: 'pkg-config', kwargs: static_kwargs,
1402                    disabler: true),
1403         # optional, no "disabler: true"
1404         dependency('xentoolcore', required: false,
1405                    method: 'pkg-config', kwargs: static_kwargs)])
1406     if xen_pc.found()
1407       xen = xen_pc
1408     endif
1409   endif
1410   if not xen.found()
1411     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' ]
1412     xen_libs = {
1413       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1414       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1415       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1416       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1417       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1418       '4.6.0': [ 'xenstore', 'xenctrl' ],
1419       '4.5.0': [ 'xenstore', 'xenctrl' ],
1420       '4.2.0': [ 'xenstore', 'xenctrl' ],
1421     }
1422     xen_deps = {}
1423     foreach ver: xen_tests
1424       # cache the various library tests to avoid polluting the logs
1425       xen_test_deps = []
1426       foreach l: xen_libs[ver]
1427         if l not in xen_deps
1428           xen_deps += { l: cc.find_library(l, required: false) }
1429         endif
1430         xen_test_deps += xen_deps[l]
1431       endforeach
1432
1433       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1434       xen_version = ver.split('.')
1435       xen_ctrl_version = xen_version[0] + \
1436         ('0' + xen_version[1]).substring(-2) + \
1437         ('0' + xen_version[2]).substring(-2)
1438       if cc.links(files('scripts/xen-detect.c'),
1439                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1440                   dependencies: xen_test_deps)
1441         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1442         break
1443       endif
1444     endforeach
1445   endif
1446   if xen.found()
1447     accelerators += 'CONFIG_XEN'
1448   elif get_option('xen').enabled()
1449     error('could not compile and link Xen test program')
1450   endif
1451 endif
1452 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1453   .require(xen.found(),
1454            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1455   .require(targetos == 'linux',
1456            error_message: 'Xen PCI passthrough not available on this platform') \
1457   .allowed()
1458
1459
1460 cacard = not_found
1461 if not get_option('smartcard').auto() or have_system
1462   cacard = dependency('libcacard', required: get_option('smartcard'),
1463                       version: '>=2.5.1', method: 'pkg-config',
1464                       kwargs: static_kwargs)
1465 endif
1466 u2f = not_found
1467 if have_system
1468   u2f = dependency('u2f-emu', required: get_option('u2f'),
1469                    method: 'pkg-config',
1470                    kwargs: static_kwargs)
1471 endif
1472 canokey = not_found
1473 if have_system
1474   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1475                    method: 'pkg-config',
1476                    kwargs: static_kwargs)
1477 endif
1478 usbredir = not_found
1479 if not get_option('usb_redir').auto() or have_system
1480   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1481                         version: '>=0.6', method: 'pkg-config',
1482                         kwargs: static_kwargs)
1483 endif
1484 libusb = not_found
1485 if not get_option('libusb').auto() or have_system
1486   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1487                       version: '>=1.0.13', method: 'pkg-config',
1488                       kwargs: static_kwargs)
1489 endif
1490
1491 libpmem = not_found
1492 if not get_option('libpmem').auto() or have_system
1493   libpmem = dependency('libpmem', required: get_option('libpmem'),
1494                        method: 'pkg-config', kwargs: static_kwargs)
1495 endif
1496 libdaxctl = not_found
1497 if not get_option('libdaxctl').auto() or have_system
1498   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1499                          version: '>=57', method: 'pkg-config',
1500                          kwargs: static_kwargs)
1501 endif
1502 tasn1 = not_found
1503 if gnutls.found()
1504   tasn1 = dependency('libtasn1',
1505                      method: 'pkg-config',
1506                      kwargs: static_kwargs)
1507 endif
1508 keyutils = dependency('libkeyutils', required: false,
1509                       method: 'pkg-config', kwargs: static_kwargs)
1510
1511 has_gettid = cc.has_function('gettid')
1512
1513 # libselinux
1514 selinux = dependency('libselinux',
1515                      required: get_option('selinux'),
1516                      method: 'pkg-config', kwargs: static_kwargs)
1517
1518 # Malloc tests
1519
1520 malloc = []
1521 if get_option('malloc') == 'system'
1522   has_malloc_trim = \
1523     get_option('malloc_trim').allowed() and \
1524     cc.links('''#include <malloc.h>
1525                 int main(void) { malloc_trim(0); return 0; }''')
1526 else
1527   has_malloc_trim = false
1528   malloc = cc.find_library(get_option('malloc'), required: true)
1529 endif
1530 if not has_malloc_trim and get_option('malloc_trim').enabled()
1531   if get_option('malloc') == 'system'
1532     error('malloc_trim not available on this platform.')
1533   else
1534     error('malloc_trim not available with non-libc memory allocator')
1535   endif
1536 endif
1537
1538 # Check whether the glibc provides statx()
1539
1540 gnu_source_prefix = '''
1541   #ifndef _GNU_SOURCE
1542   #define _GNU_SOURCE
1543   #endif
1544 '''
1545 statx_test = gnu_source_prefix + '''
1546   #include <sys/stat.h>
1547   int main(void) {
1548     struct statx statxbuf;
1549     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1550     return 0;
1551   }'''
1552
1553 has_statx = cc.links(statx_test)
1554
1555 # Check whether statx() provides mount ID information
1556
1557 statx_mnt_id_test = gnu_source_prefix + '''
1558   #include <sys/stat.h>
1559   int main(void) {
1560     struct statx statxbuf;
1561     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1562     return statxbuf.stx_mnt_id;
1563   }'''
1564
1565 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1566
1567 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1568   .require(targetos == 'linux',
1569            error_message: 'vhost_user_blk_server requires linux') \
1570   .require(have_vhost_user,
1571            error_message: 'vhost_user_blk_server requires vhost-user support') \
1572   .disable_auto_if(not have_tools and not have_system) \
1573   .allowed()
1574
1575 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1576   error('Cannot enable fuse-lseek while fuse is disabled')
1577 endif
1578
1579 fuse = dependency('fuse3', required: get_option('fuse'),
1580                   version: '>=3.1', method: 'pkg-config',
1581                   kwargs: static_kwargs)
1582
1583 fuse_lseek = not_found
1584 if get_option('fuse_lseek').allowed()
1585   if fuse.version().version_compare('>=3.8')
1586     # Dummy dependency
1587     fuse_lseek = declare_dependency()
1588   elif get_option('fuse_lseek').enabled()
1589     if fuse.found()
1590       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1591     else
1592       error('fuse-lseek requires libfuse, which was not found')
1593     endif
1594   endif
1595 endif
1596
1597 have_libvduse = (targetos == 'linux')
1598 if get_option('libvduse').enabled()
1599     if targetos != 'linux'
1600         error('libvduse requires linux')
1601     endif
1602 elif get_option('libvduse').disabled()
1603     have_libvduse = false
1604 endif
1605
1606 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1607 if get_option('vduse_blk_export').enabled()
1608     if targetos != 'linux'
1609         error('vduse_blk_export requires linux')
1610     elif not have_libvduse
1611         error('vduse_blk_export requires libvduse support')
1612     endif
1613 elif get_option('vduse_blk_export').disabled()
1614     have_vduse_blk_export = false
1615 endif
1616
1617 # libbpf
1618 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1619 if libbpf.found() and not cc.links('''
1620    #include <bpf/libbpf.h>
1621    int main(void)
1622    {
1623      bpf_object__destroy_skeleton(NULL);
1624      return 0;
1625    }''', dependencies: libbpf)
1626   libbpf = not_found
1627   if get_option('bpf').enabled()
1628     error('libbpf skeleton test failed')
1629   else
1630     warning('libbpf skeleton test failed, disabling')
1631   endif
1632 endif
1633
1634 #################
1635 # config-host.h #
1636 #################
1637
1638 audio_drivers_selected = []
1639 if have_system
1640   audio_drivers_available = {
1641     'alsa': alsa.found(),
1642     'coreaudio': coreaudio.found(),
1643     'dsound': dsound.found(),
1644     'jack': jack.found(),
1645     'oss': oss.found(),
1646     'pa': pulse.found(),
1647     'sdl': sdl.found(),
1648     'sndio': sndio.found(),
1649   }
1650   foreach k, v: audio_drivers_available
1651     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1652   endforeach
1653
1654   # Default to native drivers first, OSS second, SDL third
1655   audio_drivers_priority = \
1656     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1657     (targetos == 'linux' ? [] : [ 'sdl' ])
1658   audio_drivers_default = []
1659   foreach k: audio_drivers_priority
1660     if audio_drivers_available[k]
1661       audio_drivers_default += k
1662     endif
1663   endforeach
1664
1665   foreach k: get_option('audio_drv_list')
1666     if k == 'default'
1667       audio_drivers_selected += audio_drivers_default
1668     elif not audio_drivers_available[k]
1669       error('Audio driver "@0@" not available.'.format(k))
1670     else
1671       audio_drivers_selected += k
1672     endif
1673   endforeach
1674 endif
1675 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1676                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1677
1678 if get_option('cfi')
1679   cfi_flags=[]
1680   # Check for dependency on LTO
1681   if not get_option('b_lto')
1682     error('Selected Control-Flow Integrity but LTO is disabled')
1683   endif
1684   if config_host.has_key('CONFIG_MODULES')
1685     error('Selected Control-Flow Integrity is not compatible with modules')
1686   endif
1687   # Check for cfi flags. CFI requires LTO so we can't use
1688   # get_supported_arguments, but need a more complex "compiles" which allows
1689   # custom arguments
1690   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1691                  args: ['-flto', '-fsanitize=cfi-icall'] )
1692     cfi_flags += '-fsanitize=cfi-icall'
1693   else
1694     error('-fsanitize=cfi-icall is not supported by the compiler')
1695   endif
1696   if cc.compiles('int main () { return 0; }',
1697                  name: '-fsanitize-cfi-icall-generalize-pointers',
1698                  args: ['-flto', '-fsanitize=cfi-icall',
1699                         '-fsanitize-cfi-icall-generalize-pointers'] )
1700     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1701   else
1702     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1703   endif
1704   if get_option('cfi_debug')
1705     if cc.compiles('int main () { return 0; }',
1706                    name: '-fno-sanitize-trap=cfi-icall',
1707                    args: ['-flto', '-fsanitize=cfi-icall',
1708                           '-fno-sanitize-trap=cfi-icall'] )
1709       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1710     else
1711       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1712     endif
1713   endif
1714   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1715   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1716 endif
1717
1718 have_host_block_device = (targetos != 'darwin' or
1719     cc.has_header('IOKit/storage/IOMedia.h'))
1720
1721 dbus_display = get_option('dbus_display') \
1722   .require(gio.version().version_compare('>=2.64'),
1723            error_message: '-display dbus requires glib>=2.64') \
1724   .require(gdbus_codegen.found(),
1725            error_message: gdbus_codegen_error.format('-display dbus')) \
1726   .require(opengl.found() and gbm.found(),
1727            error_message: '-display dbus requires epoxy/egl and gbm') \
1728   .allowed()
1729
1730 have_virtfs = get_option('virtfs') \
1731     .require(targetos == 'linux' or targetos == 'darwin',
1732              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1733     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1734              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1735     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1736              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1737     .disable_auto_if(not have_tools and not have_system) \
1738     .allowed()
1739
1740 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1741
1742 if get_option('block_drv_ro_whitelist') == ''
1743   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1744 else
1745   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1746         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1747 endif
1748 if get_option('block_drv_rw_whitelist') == ''
1749   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1750 else
1751   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1752         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1753 endif
1754
1755 foreach k : get_option('trace_backends')
1756   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1757 endforeach
1758 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1759 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1760 if iasl.found()
1761   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1762 endif
1763 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1764 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1765 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1766 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1767 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1768
1769 qemu_firmwarepath = ''
1770 foreach k : get_option('qemu_firmwarepath')
1771   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1772 endforeach
1773 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1774
1775 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1776 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1777 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1778 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1779 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1780 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1781
1782 if config_host.has_key('CONFIG_MODULES')
1783   config_host_data.set('CONFIG_STAMP', run_command(
1784       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1785       meson.project_version(), get_option('pkgversion'), '--',
1786       meson.current_source_dir() / 'configure',
1787       capture: true, check: true).stdout().strip())
1788 endif
1789
1790 have_slirp_smbd = get_option('slirp_smbd') \
1791   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1792   .allowed()
1793 if have_slirp_smbd
1794   smbd_path = get_option('smbd')
1795   if smbd_path == ''
1796     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1797   endif
1798   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1799 endif
1800
1801 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1802
1803 if get_option('module_upgrades') and not enable_modules
1804   error('Cannot enable module-upgrades as modules are not enabled')
1805 endif
1806 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1807
1808 config_host_data.set('CONFIG_ATTR', libattr.found())
1809 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1810 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1811 config_host_data.set('CONFIG_COCOA', cocoa.found())
1812 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1813 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1814 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1815 config_host_data.set('CONFIG_LZO', lzo.found())
1816 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1817 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1818 config_host_data.set('CONFIG_CURL', curl.found())
1819 config_host_data.set('CONFIG_CURSES', curses.found())
1820 config_host_data.set('CONFIG_GBM', gbm.found())
1821 config_host_data.set('CONFIG_GIO', gio.found())
1822 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1823 if glusterfs.found()
1824   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1825   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1826   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1827   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1828   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1829   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1830 endif
1831 config_host_data.set('CONFIG_GTK', gtk.found())
1832 config_host_data.set('CONFIG_VTE', vte.found())
1833 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1834 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1835 config_host_data.set('CONFIG_EBPF', libbpf.found())
1836 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1837 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1838 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1839 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1840 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1841 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1842 config_host_data.set('CONFIG_LIBURING_REGISTER_RING_FD', cc.has_function('io_uring_register_ring_fd', prefix: '#include <liburing.h>', dependencies:linux_io_uring))
1843 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1844 config_host_data.set('CONFIG_NUMA', numa.found())
1845 config_host_data.set('CONFIG_OPENGL', opengl.found())
1846 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1847 config_host_data.set('CONFIG_RBD', rbd.found())
1848 config_host_data.set('CONFIG_RDMA', rdma.found())
1849 config_host_data.set('CONFIG_SDL', sdl.found())
1850 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1851 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1852 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1853 config_host_data.set('CONFIG_TPM', have_tpm)
1854 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1855 config_host_data.set('CONFIG_VDE', vde.found())
1856 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1857 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1858 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1859 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1860 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1861 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1862 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1863 config_host_data.set('CONFIG_VMNET', vmnet.found())
1864 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1865 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1866 config_host_data.set('CONFIG_PNG', png.found())
1867 config_host_data.set('CONFIG_VNC', vnc.found())
1868 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1869 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1870 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1871 config_host_data.set('CONFIG_VTE', vte.found())
1872 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1873 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1874 config_host_data.set('CONFIG_GETTID', has_gettid)
1875 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1876 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1877 config_host_data.set('CONFIG_TASN1', tasn1.found())
1878 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1879 config_host_data.set('CONFIG_NETTLE', nettle.found())
1880 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1881 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1882 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1883 config_host_data.set('CONFIG_STATX', has_statx)
1884 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1885 config_host_data.set('CONFIG_ZSTD', zstd.found())
1886 config_host_data.set('CONFIG_FUSE', fuse.found())
1887 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1888 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1889 if spice_protocol.found()
1890 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1891 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1892 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1893 endif
1894 config_host_data.set('CONFIG_SPICE', spice.found())
1895 config_host_data.set('CONFIG_X11', x11.found())
1896 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1897 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1898 config_host_data.set('CONFIG_SELINUX', selinux.found())
1899 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1900 if xen.found()
1901   # protect from xen.version() having less than three components
1902   xen_version = xen.version().split('.') + ['0', '0']
1903   xen_ctrl_version = xen_version[0] + \
1904     ('0' + xen_version[1]).substring(-2) + \
1905     ('0' + xen_version[2]).substring(-2)
1906   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1907 endif
1908 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1909 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1910 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1911 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1912
1913 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1914 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1915
1916 have_coroutine_pool = get_option('coroutine_pool')
1917 if get_option('debug_stack_usage') and have_coroutine_pool
1918   message('Disabling coroutine pool to measure stack usage')
1919   have_coroutine_pool = false
1920 endif
1921 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1922 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1923 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1924 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1925 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1926 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1927 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1928
1929 # has_header
1930 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1931 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1932 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1933 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1934 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1935 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1936 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1937 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1938 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1939 if targetos == 'windows'
1940   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1941 endif
1942
1943 # has_function
1944 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1945 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1946 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1947 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1948 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1949 # Note that we need to specify prefix: here to avoid incorrectly
1950 # thinking that Windows has posix_memalign()
1951 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1952 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1953 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1954 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1955 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1956 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1957 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1958 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1959 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1960 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1961 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1962 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1963 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1964 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1965 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1966 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1967 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1968 if rbd.found()
1969   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1970                        cc.has_function('rbd_namespace_exists',
1971                                        dependencies: rbd,
1972                                        prefix: '#include <rbd/librbd.h>'))
1973 endif
1974 if rdma.found()
1975   config_host_data.set('HAVE_IBV_ADVISE_MR',
1976                        cc.has_function('ibv_advise_mr',
1977                                        dependencies: rdma,
1978                                        prefix: '#include <infiniband/verbs.h>'))
1979 endif
1980
1981 # has_header_symbol
1982 config_host_data.set('CONFIG_BYTESWAP_H',
1983                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1984 config_host_data.set('CONFIG_EPOLL_CREATE1',
1985                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1986 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1987                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1988                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1989 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1990                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1991 config_host_data.set('CONFIG_FIEMAP',
1992                      cc.has_header('linux/fiemap.h') and
1993                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1994 config_host_data.set('CONFIG_GETRANDOM',
1995                      cc.has_function('getrandom') and
1996                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1997 config_host_data.set('CONFIG_INOTIFY',
1998                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1999 config_host_data.set('CONFIG_INOTIFY1',
2000                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2001 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2002                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2003                                           prefix: '''#include <sys/endian.h>
2004                                                      #include <sys/types.h>'''))
2005 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2006                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2007 config_host_data.set('CONFIG_RTNETLINK',
2008                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2009 config_host_data.set('CONFIG_SYSMACROS',
2010                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2011 config_host_data.set('HAVE_OPTRESET',
2012                      cc.has_header_symbol('getopt.h', 'optreset'))
2013 config_host_data.set('HAVE_IPPROTO_MPTCP',
2014                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2015 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2016                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2017
2018 # has_member
2019 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2020                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2021                                    prefix: '#include <signal.h>'))
2022 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2023                      cc.has_member('struct stat', 'st_atim',
2024                                    prefix: '#include <sys/stat.h>'))
2025
2026 # has_type
2027 config_host_data.set('CONFIG_IOVEC',
2028                      cc.has_type('struct iovec',
2029                                  prefix: '#include <sys/uio.h>'))
2030 config_host_data.set('HAVE_UTMPX',
2031                      cc.has_type('struct utmpx',
2032                                  prefix: '#include <utmpx.h>'))
2033
2034 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2035   #include <sys/eventfd.h>
2036   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2037 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2038   #include <unistd.h>
2039   int main(void) {
2040   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2041   return fdatasync(0);
2042   #else
2043   #error Not supported
2044   #endif
2045   }'''))
2046
2047 has_madvise = cc.links(gnu_source_prefix + '''
2048   #include <sys/types.h>
2049   #include <sys/mman.h>
2050   #include <stddef.h>
2051   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2052 missing_madvise_proto = false
2053 if has_madvise
2054   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2055   # but forget to prototype it. In this case, has_madvise will be true (the
2056   # test program links despite a compile warning). To detect the
2057   # missing-prototype case, we try again with a definitely-bogus prototype.
2058   # This will only compile if the system headers don't provide the prototype;
2059   # otherwise the conflicting prototypes will cause a compiler error.
2060   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2061     #include <sys/types.h>
2062     #include <sys/mman.h>
2063     #include <stddef.h>
2064     extern int madvise(int);
2065     int main(void) { return madvise(0); }''')
2066 endif
2067 config_host_data.set('CONFIG_MADVISE', has_madvise)
2068 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2069
2070 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2071   #include <sys/mman.h>
2072   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2073 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2074   #include <fcntl.h>
2075   #if !defined(AT_EMPTY_PATH)
2076   # error missing definition
2077   #else
2078   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2079   #endif'''))
2080 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2081   #include <sys/mman.h>
2082   #include <stddef.h>
2083   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2084
2085 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2086   #include <pthread.h>
2087
2088   static void *f(void *p) { return NULL; }
2089   int main(void)
2090   {
2091     pthread_t thread;
2092     pthread_create(&thread, 0, f, 0);
2093     pthread_setname_np(thread, "QEMU");
2094     return 0;
2095   }''', dependencies: threads))
2096 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2097   #include <pthread.h>
2098
2099   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2100   int main(void)
2101   {
2102     pthread_t thread;
2103     pthread_create(&thread, 0, f, 0);
2104     return 0;
2105   }''', dependencies: threads))
2106 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2107   #include <pthread.h>
2108   #include <time.h>
2109
2110   int main(void)
2111   {
2112     pthread_condattr_t attr
2113     pthread_condattr_init(&attr);
2114     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2115     return 0;
2116   }''', dependencies: threads))
2117
2118 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2119   #include <sys/signalfd.h>
2120   #include <stddef.h>
2121   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2122 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2123   #include <unistd.h>
2124   #include <fcntl.h>
2125   #include <limits.h>
2126
2127   int main(void)
2128   {
2129     int len, fd = 0;
2130     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2131     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2132     return 0;
2133   }'''))
2134
2135 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2136   #include <sys/mman.h>
2137   int main(int argc, char *argv[]) {
2138     return mlockall(MCL_FUTURE);
2139   }'''))
2140
2141 have_l2tpv3 = false
2142 if get_option('l2tpv3').allowed() and have_system
2143   have_l2tpv3 = cc.has_type('struct mmsghdr',
2144     prefix: gnu_source_prefix + '''
2145       #include <sys/socket.h>
2146       #include <linux/ip.h>''')
2147 endif
2148 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2149
2150 have_netmap = false
2151 if get_option('netmap').allowed() and have_system
2152   have_netmap = cc.compiles('''
2153     #include <inttypes.h>
2154     #include <net/if.h>
2155     #include <net/netmap.h>
2156     #include <net/netmap_user.h>
2157     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2158     #error
2159     #endif
2160     int main(void) { return 0; }''')
2161   if not have_netmap and get_option('netmap').enabled()
2162     error('Netmap headers not available')
2163   endif
2164 endif
2165 config_host_data.set('CONFIG_NETMAP', have_netmap)
2166
2167 # Work around a system header bug with some kernel/XFS header
2168 # versions where they both try to define 'struct fsxattr':
2169 # xfs headers will not try to redefine structs from linux headers
2170 # if this macro is set.
2171 config_host_data.set('HAVE_FSXATTR', cc.links('''
2172   #include <linux/fs.h>
2173   struct fsxattr foo;
2174   int main(void) {
2175     return 0;
2176   }'''))
2177
2178 # Some versions of Mac OS X incorrectly define SIZE_MAX
2179 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2180     #include <stdint.h>
2181     #include <stdio.h>
2182     int main(int argc, char *argv[]) {
2183         return printf("%zu", SIZE_MAX);
2184     }''', args: ['-Werror']))
2185
2186 atomic_test = '''
2187   #include <stdint.h>
2188   int main(void)
2189   {
2190     @0@ x = 0, y = 0;
2191     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2192     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2193     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2194     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2195     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2196     return 0;
2197   }'''
2198
2199 # See if 64-bit atomic operations are supported.
2200 # Note that without __atomic builtins, we can only
2201 # assume atomic loads/stores max at pointer size.
2202 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2203
2204 has_int128 = cc.links('''
2205   __int128_t a;
2206   __uint128_t b;
2207   int main (void) {
2208     a = a + b;
2209     b = a * b;
2210     a = a * a;
2211     return 0;
2212   }''')
2213
2214 config_host_data.set('CONFIG_INT128', has_int128)
2215
2216 if has_int128
2217   # "do we have 128-bit atomics which are handled inline and specifically not
2218   # via libatomic". The reason we can't use libatomic is documented in the
2219   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2220   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2221
2222   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2223
2224   if not has_atomic128
2225     has_cmpxchg128 = cc.links('''
2226       int main(void)
2227       {
2228         unsigned __int128 x = 0, y = 0;
2229         __sync_val_compare_and_swap_16(&x, y, x);
2230         return 0;
2231       }
2232     ''')
2233
2234     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2235   endif
2236 endif
2237
2238 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2239   #include <sys/auxv.h>
2240   int main(void) {
2241     return getauxval(AT_HWCAP) == 0;
2242   }'''))
2243
2244 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2245   #include <linux/usbdevice_fs.h>
2246
2247   #ifndef USBDEVFS_GET_CAPABILITIES
2248   #error "USBDEVFS_GET_CAPABILITIES undefined"
2249   #endif
2250
2251   #ifndef USBDEVFS_DISCONNECT_CLAIM
2252   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2253   #endif
2254
2255   int main(void) { return 0; }'''))
2256
2257 have_keyring = get_option('keyring') \
2258   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2259   .require(cc.compiles('''
2260     #include <errno.h>
2261     #include <asm/unistd.h>
2262     #include <linux/keyctl.h>
2263     #include <sys/syscall.h>
2264     #include <unistd.h>
2265     int main(void) {
2266         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2267     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2268 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2269
2270 have_cpuid_h = cc.links('''
2271   #include <cpuid.h>
2272   int main(void) {
2273     unsigned a, b, c, d;
2274     unsigned max = __get_cpuid_max(0, 0);
2275
2276     if (max >= 1) {
2277         __cpuid(1, a, b, c, d);
2278     }
2279
2280     if (max >= 7) {
2281         __cpuid_count(7, 0, a, b, c, d);
2282     }
2283
2284     return 0;
2285   }''')
2286 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2287
2288 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2289   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2290   .require(cc.links('''
2291     #pragma GCC push_options
2292     #pragma GCC target("avx2")
2293     #include <cpuid.h>
2294     #include <immintrin.h>
2295     static int bar(void *a) {
2296       __m256i x = *(__m256i *)a;
2297       return _mm256_testz_si256(x, x);
2298     }
2299     int main(int argc, char *argv[]) { return bar(argv[0]); }
2300   '''), error_message: 'AVX2 not available').allowed())
2301
2302 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2303   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2304   .require(cc.links('''
2305     #pragma GCC push_options
2306     #pragma GCC target("avx512f")
2307     #include <cpuid.h>
2308     #include <immintrin.h>
2309     static int bar(void *a) {
2310       __m512i x = *(__m512i *)a;
2311       return _mm512_test_epi64_mask(x, x);
2312     }
2313     int main(int argc, char *argv[]) { return bar(argv[0]); }
2314   '''), error_message: 'AVX512F not available').allowed())
2315
2316 have_pvrdma = get_option('pvrdma') \
2317   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2318   .require(cc.compiles(gnu_source_prefix + '''
2319     #include <sys/mman.h>
2320     int main(void)
2321     {
2322       char buf = 0;
2323       void *addr = &buf;
2324       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2325
2326       return 0;
2327     }'''), error_message: 'PVRDMA requires mremap').allowed()
2328
2329 if have_pvrdma
2330   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2331     #include <infiniband/verbs.h>
2332     int main(void)
2333     {
2334       struct ibv_mr *mr;
2335       struct ibv_pd *pd = NULL;
2336       size_t length = 10;
2337       uint64_t iova = 0;
2338       int access = 0;
2339       void *addr = NULL;
2340
2341       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2342       ibv_dereg_mr(mr);
2343       return 0;
2344     }'''))
2345 endif
2346
2347 if get_option('membarrier').disabled()
2348   have_membarrier = false
2349 elif targetos == 'windows'
2350   have_membarrier = true
2351 elif targetos == 'linux'
2352   have_membarrier = cc.compiles('''
2353     #include <linux/membarrier.h>
2354     #include <sys/syscall.h>
2355     #include <unistd.h>
2356     #include <stdlib.h>
2357     int main(void) {
2358         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2359         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2360         exit(0);
2361     }''')
2362 endif
2363 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2364   .require(have_membarrier, error_message: 'membarrier system call not available') \
2365   .allowed())
2366
2367 have_afalg = get_option('crypto_afalg') \
2368   .require(cc.compiles(gnu_source_prefix + '''
2369     #include <errno.h>
2370     #include <sys/types.h>
2371     #include <sys/socket.h>
2372     #include <linux/if_alg.h>
2373     int main(void) {
2374       int sock;
2375       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2376       return sock;
2377     }
2378   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2379 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2380
2381 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2382   'linux/vm_sockets.h', 'AF_VSOCK',
2383   prefix: '#include <sys/socket.h>',
2384 ))
2385
2386 have_vss = false
2387 have_vss_sdk = false # old xp/2003 SDK
2388 if targetos == 'windows' and link_language == 'cpp'
2389   have_vss = cxx.compiles('''
2390     #define __MIDL_user_allocate_free_DEFINED__
2391     #include <vss.h>
2392     int main(void) { return VSS_CTX_BACKUP; }''')
2393   have_vss_sdk = cxx.has_header('vscoordint.h')
2394 endif
2395 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2396
2397 foreach k, v: config_host
2398   if k.startswith('CONFIG_')
2399     config_host_data.set(k, v == 'y' ? 1 : v)
2400   endif
2401 endforeach
2402
2403 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2404 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2405 if targetos == 'windows'
2406   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2407     #include <stdio.h>
2408     int main(void) {
2409       _lock_file(NULL);
2410       _unlock_file(NULL);
2411       return 0;
2412     }''', name: '_lock_file and _unlock_file'))
2413 endif
2414
2415 ########################
2416 # Target configuration #
2417 ########################
2418
2419 minikconf = find_program('scripts/minikconf.py')
2420 config_all = {}
2421 config_all_devices = {}
2422 config_all_disas = {}
2423 config_devices_mak_list = []
2424 config_devices_h = {}
2425 config_target_h = {}
2426 config_target_mak = {}
2427
2428 disassemblers = {
2429   'alpha' : ['CONFIG_ALPHA_DIS'],
2430   'avr' : ['CONFIG_AVR_DIS'],
2431   'cris' : ['CONFIG_CRIS_DIS'],
2432   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2433   'hppa' : ['CONFIG_HPPA_DIS'],
2434   'i386' : ['CONFIG_I386_DIS'],
2435   'x86_64' : ['CONFIG_I386_DIS'],
2436   'm68k' : ['CONFIG_M68K_DIS'],
2437   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2438   'mips' : ['CONFIG_MIPS_DIS'],
2439   'nios2' : ['CONFIG_NIOS2_DIS'],
2440   'or1k' : ['CONFIG_OPENRISC_DIS'],
2441   'ppc' : ['CONFIG_PPC_DIS'],
2442   'riscv' : ['CONFIG_RISCV_DIS'],
2443   'rx' : ['CONFIG_RX_DIS'],
2444   's390' : ['CONFIG_S390_DIS'],
2445   'sh4' : ['CONFIG_SH4_DIS'],
2446   'sparc' : ['CONFIG_SPARC_DIS'],
2447   'xtensa' : ['CONFIG_XTENSA_DIS'],
2448   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2449 }
2450 if link_language == 'cpp'
2451   disassemblers += {
2452     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2453   }
2454 endif
2455
2456 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2457 host_kconfig = \
2458   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2459   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2460   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2461   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2462   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2463   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2464   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2465   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2466   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2467   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2468   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2469   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2470   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2471   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2472
2473 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2474
2475 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2476 actual_target_dirs = []
2477 fdt_required = []
2478 foreach target : target_dirs
2479   config_target = { 'TARGET_NAME': target.split('-')[0] }
2480   if target.endswith('linux-user')
2481     if targetos != 'linux'
2482       if default_targets
2483         continue
2484       endif
2485       error('Target @0@ is only available on a Linux host'.format(target))
2486     endif
2487     config_target += { 'CONFIG_LINUX_USER': 'y' }
2488   elif target.endswith('bsd-user')
2489     if 'CONFIG_BSD' not in config_host
2490       if default_targets
2491         continue
2492       endif
2493       error('Target @0@ is only available on a BSD host'.format(target))
2494     endif
2495     config_target += { 'CONFIG_BSD_USER': 'y' }
2496   elif target.endswith('softmmu')
2497     config_target += { 'CONFIG_SOFTMMU': 'y' }
2498   endif
2499   if target.endswith('-user')
2500     config_target += {
2501       'CONFIG_USER_ONLY': 'y',
2502       'CONFIG_QEMU_INTERP_PREFIX':
2503         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2504     }
2505   endif
2506
2507   accel_kconfig = []
2508   foreach sym: accelerators
2509     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2510       config_target += { sym: 'y' }
2511       config_all += { sym: 'y' }
2512       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2513         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2514       endif
2515       if target in modular_tcg
2516         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2517       else
2518         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2519       endif
2520       accel_kconfig += [ sym + '=y' ]
2521     endif
2522   endforeach
2523   if accel_kconfig.length() == 0
2524     if default_targets
2525       continue
2526     endif
2527     error('No accelerator available for target @0@'.format(target))
2528   endif
2529
2530   actual_target_dirs += target
2531   config_target += keyval.load('configs/targets' / target + '.mak')
2532   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2533
2534   if 'TARGET_NEED_FDT' in config_target
2535     fdt_required += target
2536   endif
2537
2538   # Add default keys
2539   if 'TARGET_BASE_ARCH' not in config_target
2540     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2541   endif
2542   if 'TARGET_ABI_DIR' not in config_target
2543     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2544   endif
2545   if 'TARGET_BIG_ENDIAN' not in config_target
2546     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2547   endif
2548
2549   foreach k, v: disassemblers
2550     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2551       foreach sym: v
2552         config_target += { sym: 'y' }
2553         config_all_disas += { sym: 'y' }
2554       endforeach
2555     endif
2556   endforeach
2557
2558   config_target_data = configuration_data()
2559   foreach k, v: config_target
2560     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2561       # do nothing
2562     elif ignored.contains(k)
2563       # do nothing
2564     elif k == 'TARGET_BASE_ARCH'
2565       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2566       # not used to select files from sourcesets.
2567       config_target_data.set('TARGET_' + v.to_upper(), 1)
2568     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2569       config_target_data.set_quoted(k, v)
2570     elif v == 'y'
2571       config_target_data.set(k, 1)
2572     elif v == 'n'
2573       config_target_data.set(k, 0)
2574     else
2575       config_target_data.set(k, v)
2576     endif
2577   endforeach
2578   config_target_data.set('QEMU_ARCH',
2579                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2580   config_target_h += {target: configure_file(output: target + '-config-target.h',
2581                                                configuration: config_target_data)}
2582
2583   if target.endswith('-softmmu')
2584     config_input = meson.get_external_property(target, 'default')
2585     config_devices_mak = target + '-config-devices.mak'
2586     config_devices_mak = configure_file(
2587       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2588       output: config_devices_mak,
2589       depfile: config_devices_mak + '.d',
2590       capture: true,
2591       command: [minikconf,
2592                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2593                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2594                 host_kconfig, accel_kconfig,
2595                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2596
2597     config_devices_data = configuration_data()
2598     config_devices = keyval.load(config_devices_mak)
2599     foreach k, v: config_devices
2600       config_devices_data.set(k, 1)
2601     endforeach
2602     config_devices_mak_list += config_devices_mak
2603     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2604                                                 configuration: config_devices_data)}
2605     config_target += config_devices
2606     config_all_devices += config_devices
2607   endif
2608   config_target_mak += {target: config_target}
2609 endforeach
2610 target_dirs = actual_target_dirs
2611
2612 # This configuration is used to build files that are shared by
2613 # multiple binaries, and then extracted out of the "common"
2614 # static_library target.
2615 #
2616 # We do not use all_sources()/all_dependencies(), because it would
2617 # build literally all source files, including devices only used by
2618 # targets that are not built for this compilation.  The CONFIG_ALL
2619 # pseudo symbol replaces it.
2620
2621 config_all += config_all_devices
2622 config_all += config_host
2623 config_all += config_all_disas
2624 config_all += {
2625   'CONFIG_XEN': xen.found(),
2626   'CONFIG_SOFTMMU': have_system,
2627   'CONFIG_USER_ONLY': have_user,
2628   'CONFIG_ALL': true,
2629 }
2630
2631 target_configs_h = []
2632 foreach target: target_dirs
2633   target_configs_h += config_target_h[target]
2634   target_configs_h += config_devices_h.get(target, [])
2635 endforeach
2636 genh += custom_target('config-poison.h',
2637                       input: [target_configs_h],
2638                       output: 'config-poison.h',
2639                       capture: true,
2640                       command: [find_program('scripts/make-config-poison.sh'),
2641                                 target_configs_h])
2642
2643 ##############
2644 # Submodules #
2645 ##############
2646
2647 capstone = not_found
2648 if not get_option('capstone').auto() or have_system or have_user
2649   capstone = dependency('capstone', version: '>=3.0.5',
2650                         kwargs: static_kwargs, method: 'pkg-config',
2651                         required: get_option('capstone'))
2652
2653   # Some versions of capstone have broken pkg-config file
2654   # that reports a wrong -I path, causing the #include to
2655   # fail later. If the system has such a broken version
2656   # do not use it.
2657   if capstone.found() and not cc.compiles('#include <capstone.h>',
2658                                           dependencies: [capstone])
2659     capstone = not_found
2660     if get_option('capstone').enabled()
2661       error('capstone requested, but it does not appear to work')
2662     endif
2663   endif
2664 endif
2665
2666 libvfio_user_dep = not_found
2667 if have_system and vfio_user_server_allowed
2668   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2669
2670   if not have_internal
2671     error('libvfio-user source not found - please pull git submodule')
2672   endif
2673
2674   libvfio_user_proj = subproject('libvfio-user')
2675
2676   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2677
2678   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2679 endif
2680
2681 fdt = not_found
2682 if have_system
2683   fdt_opt = get_option('fdt')
2684   if fdt_opt in ['enabled', 'auto', 'system']
2685     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2686     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2687                           required: fdt_opt == 'system' or
2688                                     fdt_opt == 'enabled' and not have_internal)
2689     if fdt.found() and cc.links('''
2690        #include <libfdt.h>
2691        #include <libfdt_env.h>
2692        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2693          dependencies: fdt)
2694       fdt_opt = 'system'
2695     elif fdt_opt == 'system'
2696        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2697     elif have_internal
2698       fdt_opt = 'internal'
2699     else
2700       fdt_opt = 'disabled'
2701       fdt = not_found
2702     endif
2703   endif
2704   if fdt_opt == 'internal'
2705     fdt_files = files(
2706       'dtc/libfdt/fdt.c',
2707       'dtc/libfdt/fdt_ro.c',
2708       'dtc/libfdt/fdt_wip.c',
2709       'dtc/libfdt/fdt_sw.c',
2710       'dtc/libfdt/fdt_rw.c',
2711       'dtc/libfdt/fdt_strerror.c',
2712       'dtc/libfdt/fdt_empty_tree.c',
2713       'dtc/libfdt/fdt_addresses.c',
2714       'dtc/libfdt/fdt_overlay.c',
2715       'dtc/libfdt/fdt_check.c',
2716     )
2717
2718     fdt_inc = include_directories('dtc/libfdt')
2719     libfdt = static_library('fdt',
2720                             build_by_default: false,
2721                             sources: fdt_files,
2722                             include_directories: fdt_inc)
2723     fdt = declare_dependency(link_with: libfdt,
2724                              include_directories: fdt_inc)
2725   endif
2726 else
2727   fdt_opt = 'disabled'
2728 endif
2729 if not fdt.found() and fdt_required.length() > 0
2730   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2731 endif
2732
2733 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2734 config_host_data.set('CONFIG_FDT', fdt.found())
2735 config_host_data.set('CONFIG_SLIRP', slirp.found())
2736
2737 #####################
2738 # Generated sources #
2739 #####################
2740
2741 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2742
2743 hxtool = find_program('scripts/hxtool')
2744 shaderinclude = find_program('scripts/shaderinclude.pl')
2745 qapi_gen = find_program('scripts/qapi-gen.py')
2746 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2747                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2748                      meson.current_source_dir() / 'scripts/qapi/common.py',
2749                      meson.current_source_dir() / 'scripts/qapi/error.py',
2750                      meson.current_source_dir() / 'scripts/qapi/events.py',
2751                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2752                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2753                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2754                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2755                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2756                      meson.current_source_dir() / 'scripts/qapi/source.py',
2757                      meson.current_source_dir() / 'scripts/qapi/types.py',
2758                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2759                      meson.current_source_dir() / 'scripts/qapi/common.py',
2760                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2761 ]
2762
2763 tracetool = [
2764   python, files('scripts/tracetool.py'),
2765    '--backend=' + ','.join(get_option('trace_backends'))
2766 ]
2767 tracetool_depends = files(
2768   'scripts/tracetool/backend/log.py',
2769   'scripts/tracetool/backend/__init__.py',
2770   'scripts/tracetool/backend/dtrace.py',
2771   'scripts/tracetool/backend/ftrace.py',
2772   'scripts/tracetool/backend/simple.py',
2773   'scripts/tracetool/backend/syslog.py',
2774   'scripts/tracetool/backend/ust.py',
2775   'scripts/tracetool/format/ust_events_c.py',
2776   'scripts/tracetool/format/ust_events_h.py',
2777   'scripts/tracetool/format/__init__.py',
2778   'scripts/tracetool/format/d.py',
2779   'scripts/tracetool/format/simpletrace_stap.py',
2780   'scripts/tracetool/format/c.py',
2781   'scripts/tracetool/format/h.py',
2782   'scripts/tracetool/format/log_stap.py',
2783   'scripts/tracetool/format/stap.py',
2784   'scripts/tracetool/__init__.py',
2785   'scripts/tracetool/transform.py',
2786   'scripts/tracetool/vcpu.py'
2787 )
2788
2789 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2790                     meson.current_source_dir(),
2791                     get_option('pkgversion'), meson.project_version()]
2792 qemu_version = custom_target('qemu-version.h',
2793                              output: 'qemu-version.h',
2794                              command: qemu_version_cmd,
2795                              capture: true,
2796                              build_by_default: true,
2797                              build_always_stale: true)
2798 genh += qemu_version
2799
2800 hxdep = []
2801 hx_headers = [
2802   ['qemu-options.hx', 'qemu-options.def'],
2803   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2804 ]
2805 if have_system
2806   hx_headers += [
2807     ['hmp-commands.hx', 'hmp-commands.h'],
2808     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2809   ]
2810 endif
2811 foreach d : hx_headers
2812   hxdep += custom_target(d[1],
2813                 input: files(d[0]),
2814                 output: d[1],
2815                 capture: true,
2816                 build_by_default: true, # to be removed when added to a target
2817                 command: [hxtool, '-h', '@INPUT0@'])
2818 endforeach
2819 genh += hxdep
2820
2821 ###################
2822 # Collect sources #
2823 ###################
2824
2825 authz_ss = ss.source_set()
2826 blockdev_ss = ss.source_set()
2827 block_ss = ss.source_set()
2828 chardev_ss = ss.source_set()
2829 common_ss = ss.source_set()
2830 crypto_ss = ss.source_set()
2831 hwcore_ss = ss.source_set()
2832 io_ss = ss.source_set()
2833 qmp_ss = ss.source_set()
2834 qom_ss = ss.source_set()
2835 softmmu_ss = ss.source_set()
2836 specific_fuzz_ss = ss.source_set()
2837 specific_ss = ss.source_set()
2838 stub_ss = ss.source_set()
2839 trace_ss = ss.source_set()
2840 user_ss = ss.source_set()
2841 util_ss = ss.source_set()
2842
2843 # accel modules
2844 qtest_module_ss = ss.source_set()
2845 tcg_module_ss = ss.source_set()
2846
2847 modules = {}
2848 target_modules = {}
2849 hw_arch = {}
2850 target_arch = {}
2851 target_softmmu_arch = {}
2852 target_user_arch = {}
2853
2854 ###############
2855 # Trace files #
2856 ###############
2857
2858 # TODO: add each directory to the subdirs from its own meson.build, once
2859 # we have those
2860 trace_events_subdirs = [
2861   'crypto',
2862   'qapi',
2863   'qom',
2864   'monitor',
2865   'util',
2866   'gdbstub',
2867 ]
2868 if have_linux_user
2869   trace_events_subdirs += [ 'linux-user' ]
2870 endif
2871 if have_bsd_user
2872   trace_events_subdirs += [ 'bsd-user' ]
2873 endif
2874 if have_block
2875   trace_events_subdirs += [
2876     'authz',
2877     'block',
2878     'io',
2879     'nbd',
2880     'scsi',
2881   ]
2882 endif
2883 if have_system
2884   trace_events_subdirs += [
2885     'accel/kvm',
2886     'audio',
2887     'backends',
2888     'backends/tpm',
2889     'chardev',
2890     'ebpf',
2891     'hw/9pfs',
2892     'hw/acpi',
2893     'hw/adc',
2894     'hw/alpha',
2895     'hw/arm',
2896     'hw/audio',
2897     'hw/block',
2898     'hw/block/dataplane',
2899     'hw/char',
2900     'hw/display',
2901     'hw/dma',
2902     'hw/hyperv',
2903     'hw/i2c',
2904     'hw/i386',
2905     'hw/i386/xen',
2906     'hw/ide',
2907     'hw/input',
2908     'hw/intc',
2909     'hw/isa',
2910     'hw/mem',
2911     'hw/mips',
2912     'hw/misc',
2913     'hw/misc/macio',
2914     'hw/net',
2915     'hw/net/can',
2916     'hw/nubus',
2917     'hw/nvme',
2918     'hw/nvram',
2919     'hw/pci',
2920     'hw/pci-host',
2921     'hw/ppc',
2922     'hw/rdma',
2923     'hw/rdma/vmw',
2924     'hw/rtc',
2925     'hw/s390x',
2926     'hw/scsi',
2927     'hw/sd',
2928     'hw/sh4',
2929     'hw/sparc',
2930     'hw/sparc64',
2931     'hw/ssi',
2932     'hw/timer',
2933     'hw/tpm',
2934     'hw/usb',
2935     'hw/vfio',
2936     'hw/virtio',
2937     'hw/watchdog',
2938     'hw/xen',
2939     'hw/gpio',
2940     'migration',
2941     'net',
2942     'softmmu',
2943     'ui',
2944     'hw/remote',
2945   ]
2946 endif
2947 if have_system or have_user
2948   trace_events_subdirs += [
2949     'accel/tcg',
2950     'hw/core',
2951     'target/arm',
2952     'target/arm/hvf',
2953     'target/hppa',
2954     'target/i386',
2955     'target/i386/kvm',
2956     'target/mips/tcg',
2957     'target/nios2',
2958     'target/ppc',
2959     'target/riscv',
2960     'target/s390x',
2961     'target/s390x/kvm',
2962     'target/sparc',
2963   ]
2964 endif
2965
2966 vhost_user = not_found
2967 if targetos == 'linux' and have_vhost_user
2968   libvhost_user = subproject('libvhost-user')
2969   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2970 endif
2971
2972 libvduse = not_found
2973 if have_libvduse
2974   libvduse_proj = subproject('libvduse')
2975   libvduse = libvduse_proj.get_variable('libvduse_dep')
2976 endif
2977
2978 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
2979 # that is filled in by qapi/.
2980 subdir('qapi')
2981 subdir('qobject')
2982 subdir('stubs')
2983 subdir('trace')
2984 subdir('util')
2985 subdir('qom')
2986 subdir('authz')
2987 subdir('crypto')
2988 subdir('ui')
2989 subdir('hw')
2990 subdir('gdbstub')
2991
2992
2993 if enable_modules
2994   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2995   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2996 endif
2997
2998 qom_ss = qom_ss.apply(config_host, strict: false)
2999 libqom = static_library('qom', qom_ss.sources() + genh,
3000                         dependencies: [qom_ss.dependencies()],
3001                         name_suffix: 'fa')
3002 qom = declare_dependency(link_whole: libqom)
3003
3004 event_loop_base = files('event-loop-base.c')
3005 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3006                                  build_by_default: true)
3007 event_loop_base = declare_dependency(link_whole: event_loop_base,
3008                                      dependencies: [qom])
3009
3010 stub_ss = stub_ss.apply(config_all, strict: false)
3011
3012 util_ss.add_all(trace_ss)
3013 util_ss = util_ss.apply(config_all, strict: false)
3014 libqemuutil = static_library('qemuutil',
3015                              sources: util_ss.sources() + stub_ss.sources() + genh,
3016                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3017 qemuutil = declare_dependency(link_with: libqemuutil,
3018                               sources: genh + version_res,
3019                               dependencies: [event_loop_base])
3020
3021 if have_system or have_user
3022   decodetree = generator(find_program('scripts/decodetree.py'),
3023                          output: 'decode-@BASENAME@.c.inc',
3024                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3025   subdir('libdecnumber')
3026   subdir('target')
3027 endif
3028
3029 subdir('audio')
3030 subdir('io')
3031 subdir('chardev')
3032 subdir('fsdev')
3033 subdir('dump')
3034
3035 if have_block
3036   block_ss.add(files(
3037     'block.c',
3038     'blockjob.c',
3039     'job.c',
3040     'qemu-io-cmds.c',
3041   ))
3042   if config_host_data.get('CONFIG_REPLICATION')
3043     block_ss.add(files('replication.c'))
3044   endif
3045
3046   subdir('nbd')
3047   subdir('scsi')
3048   subdir('block')
3049
3050   blockdev_ss.add(files(
3051     'blockdev.c',
3052     'blockdev-nbd.c',
3053     'iothread.c',
3054     'job-qmp.c',
3055   ), gnutls)
3056
3057   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3058   # os-win32.c does not
3059   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3060   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3061 endif
3062
3063 common_ss.add(files('cpus-common.c'))
3064
3065 subdir('softmmu')
3066
3067 common_ss.add(capstone)
3068 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3069
3070 # Work around a gcc bug/misfeature wherein constant propagation looks
3071 # through an alias:
3072 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3073 # to guess that a const variable is always zero.  Without lto, this is
3074 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3075 # without lto, not even the alias is required -- we simply use different
3076 # declarations in different compilation units.
3077 pagevary = files('page-vary-common.c')
3078 if get_option('b_lto')
3079   pagevary_flags = ['-fno-lto']
3080   if get_option('cfi')
3081     pagevary_flags += '-fno-sanitize=cfi-icall'
3082   endif
3083   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3084                             c_args: pagevary_flags)
3085   pagevary = declare_dependency(link_with: pagevary)
3086 endif
3087 common_ss.add(pagevary)
3088 specific_ss.add(files('page-vary.c'))
3089
3090 subdir('backends')
3091 subdir('disas')
3092 subdir('migration')
3093 subdir('monitor')
3094 subdir('net')
3095 subdir('replay')
3096 subdir('semihosting')
3097 subdir('tcg')
3098 subdir('fpu')
3099 subdir('accel')
3100 subdir('plugins')
3101 subdir('ebpf')
3102
3103 common_user_inc = []
3104
3105 subdir('common-user')
3106 subdir('bsd-user')
3107 subdir('linux-user')
3108
3109 # needed for fuzzing binaries
3110 subdir('tests/qtest/libqos')
3111 subdir('tests/qtest/fuzz')
3112
3113 # accel modules
3114 tcg_real_module_ss = ss.source_set()
3115 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3116 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3117 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3118                                 'tcg': tcg_real_module_ss }}
3119
3120 ########################
3121 # Library dependencies #
3122 ########################
3123
3124 modinfo_collect = find_program('scripts/modinfo-collect.py')
3125 modinfo_generate = find_program('scripts/modinfo-generate.py')
3126 modinfo_files = []
3127
3128 block_mods = []
3129 softmmu_mods = []
3130 foreach d, list : modules
3131   foreach m, module_ss : list
3132     if enable_modules and targetos != 'windows'
3133       module_ss = module_ss.apply(config_all, strict: false)
3134       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3135                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3136       if d == 'block'
3137         block_mods += sl
3138       else
3139         softmmu_mods += sl
3140       endif
3141       if module_ss.sources() != []
3142         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3143         # input. Sources can be used multiple times but objects are
3144         # unique when it comes to lookup in compile_commands.json.
3145         # Depnds on a mesion version with
3146         # https://github.com/mesonbuild/meson/pull/8900
3147         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3148                                        output: d + '-' + m + '.modinfo',
3149                                        input: module_ss.sources() + genh,
3150                                        capture: true,
3151                                        command: [modinfo_collect, module_ss.sources()])
3152       endif
3153     else
3154       if d == 'block'
3155         block_ss.add_all(module_ss)
3156       else
3157         softmmu_ss.add_all(module_ss)
3158       endif
3159     endif
3160   endforeach
3161 endforeach
3162
3163 foreach d, list : target_modules
3164   foreach m, module_ss : list
3165     if enable_modules and targetos != 'windows'
3166       foreach target : target_dirs
3167         if target.endswith('-softmmu')
3168           config_target = config_target_mak[target]
3169           config_target += config_host
3170           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3171           c_args = ['-DNEED_CPU_H',
3172                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3173                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3174           target_module_ss = module_ss.apply(config_target, strict: false)
3175           if target_module_ss.sources() != []
3176             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3177             sl = static_library(module_name,
3178                                 [genh, target_module_ss.sources()],
3179                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3180                                 include_directories: target_inc,
3181                                 c_args: c_args,
3182                                 pic: true)
3183             softmmu_mods += sl
3184             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3185             modinfo_files += custom_target(module_name + '.modinfo',
3186                                            output: module_name + '.modinfo',
3187                                            input: target_module_ss.sources() + genh,
3188                                            capture: true,
3189                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3190           endif
3191         endif
3192       endforeach
3193     else
3194       specific_ss.add_all(module_ss)
3195     endif
3196   endforeach
3197 endforeach
3198
3199 if enable_modules
3200   foreach target : target_dirs
3201     if target.endswith('-softmmu')
3202       config_target = config_target_mak[target]
3203       config_devices_mak = target + '-config-devices.mak'
3204       modinfo_src = custom_target('modinfo-' + target + '.c',
3205                                   output: 'modinfo-' + target + '.c',
3206                                   input: modinfo_files,
3207                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3208                                   capture: true)
3209
3210       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3211       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3212
3213       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3214       hw_arch[arch].add(modinfo_dep)
3215     endif
3216   endforeach
3217 endif
3218
3219 nm = find_program('nm')
3220 undefsym = find_program('scripts/undefsym.py')
3221 block_syms = custom_target('block.syms', output: 'block.syms',
3222                              input: [libqemuutil, block_mods],
3223                              capture: true,
3224                              command: [undefsym, nm, '@INPUT@'])
3225 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3226                              input: [libqemuutil, softmmu_mods],
3227                              capture: true,
3228                              command: [undefsym, nm, '@INPUT@'])
3229
3230 authz_ss = authz_ss.apply(config_host, strict: false)
3231 libauthz = static_library('authz', authz_ss.sources() + genh,
3232                           dependencies: [authz_ss.dependencies()],
3233                           name_suffix: 'fa',
3234                           build_by_default: false)
3235
3236 authz = declare_dependency(link_whole: libauthz,
3237                            dependencies: qom)
3238
3239 crypto_ss = crypto_ss.apply(config_host, strict: false)
3240 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3241                            dependencies: [crypto_ss.dependencies()],
3242                            name_suffix: 'fa',
3243                            build_by_default: false)
3244
3245 crypto = declare_dependency(link_whole: libcrypto,
3246                             dependencies: [authz, qom])
3247
3248 io_ss = io_ss.apply(config_host, strict: false)
3249 libio = static_library('io', io_ss.sources() + genh,
3250                        dependencies: [io_ss.dependencies()],
3251                        link_with: libqemuutil,
3252                        name_suffix: 'fa',
3253                        build_by_default: false)
3254
3255 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3256
3257 libmigration = static_library('migration', sources: migration_files + genh,
3258                               name_suffix: 'fa',
3259                               build_by_default: false)
3260 migration = declare_dependency(link_with: libmigration,
3261                                dependencies: [zlib, qom, io])
3262 softmmu_ss.add(migration)
3263
3264 block_ss = block_ss.apply(config_host, strict: false)
3265 libblock = static_library('block', block_ss.sources() + genh,
3266                           dependencies: block_ss.dependencies(),
3267                           link_depends: block_syms,
3268                           name_suffix: 'fa',
3269                           build_by_default: false)
3270
3271 block = declare_dependency(link_whole: [libblock],
3272                            link_args: '@block.syms',
3273                            dependencies: [crypto, io])
3274
3275 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3276 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3277                              dependencies: blockdev_ss.dependencies(),
3278                              name_suffix: 'fa',
3279                              build_by_default: false)
3280
3281 blockdev = declare_dependency(link_whole: [libblockdev],
3282                               dependencies: [block, event_loop_base])
3283
3284 qmp_ss = qmp_ss.apply(config_host, strict: false)
3285 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3286                         dependencies: qmp_ss.dependencies(),
3287                         name_suffix: 'fa',
3288                         build_by_default: false)
3289
3290 qmp = declare_dependency(link_whole: [libqmp])
3291
3292 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3293                             name_suffix: 'fa',
3294                             dependencies: chardev_ss.dependencies(),
3295                             build_by_default: false)
3296
3297 chardev = declare_dependency(link_whole: libchardev)
3298
3299 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3300 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3301                            name_suffix: 'fa',
3302                            build_by_default: false)
3303 hwcore = declare_dependency(link_whole: libhwcore)
3304 common_ss.add(hwcore)
3305
3306 ###########
3307 # Targets #
3308 ###########
3309
3310 emulator_modules = []
3311 foreach m : block_mods + softmmu_mods
3312   emulator_modules += shared_module(m.name(),
3313                 build_by_default: true,
3314                 name_prefix: '',
3315                 link_whole: m,
3316                 install: true,
3317                 install_dir: qemu_moddir)
3318 endforeach
3319 if emulator_modules.length() > 0
3320   alias_target('modules', emulator_modules)
3321 endif
3322
3323 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3324 common_ss.add(qom, qemuutil)
3325
3326 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3327 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3328
3329 common_all = common_ss.apply(config_all, strict: false)
3330 common_all = static_library('common',
3331                             build_by_default: false,
3332                             sources: common_all.sources() + genh,
3333                             include_directories: common_user_inc,
3334                             implicit_include_directories: false,
3335                             dependencies: common_all.dependencies(),
3336                             name_suffix: 'fa')
3337
3338 feature_to_c = find_program('scripts/feature_to_c.sh')
3339
3340 if targetos == 'darwin'
3341   entitlement = find_program('scripts/entitlement.sh')
3342 endif
3343
3344 emulators = {}
3345 foreach target : target_dirs
3346   config_target = config_target_mak[target]
3347   target_name = config_target['TARGET_NAME']
3348   target_base_arch = config_target['TARGET_BASE_ARCH']
3349   arch_srcs = [config_target_h[target]]
3350   arch_deps = []
3351   c_args = ['-DNEED_CPU_H',
3352             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3353             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3354   link_args = emulator_link_args
3355
3356   config_target += config_host
3357   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3358   if targetos == 'linux'
3359     target_inc += include_directories('linux-headers', is_system: true)
3360   endif
3361   if target.endswith('-softmmu')
3362     target_type='system'
3363     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3364     arch_srcs += t.sources()
3365     arch_deps += t.dependencies()
3366
3367     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3368     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3369     arch_srcs += hw.sources()
3370     arch_deps += hw.dependencies()
3371
3372     arch_srcs += config_devices_h[target]
3373     link_args += ['@block.syms', '@qemu.syms']
3374   else
3375     abi = config_target['TARGET_ABI_DIR']
3376     target_type='user'
3377     target_inc += common_user_inc
3378     if target_base_arch in target_user_arch
3379       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3380       arch_srcs += t.sources()
3381       arch_deps += t.dependencies()
3382     endif
3383     if 'CONFIG_LINUX_USER' in config_target
3384       base_dir = 'linux-user'
3385     endif
3386     if 'CONFIG_BSD_USER' in config_target
3387       base_dir = 'bsd-user'
3388       target_inc += include_directories('bsd-user/' / targetos)
3389       target_inc += include_directories('bsd-user/host/' / host_arch)
3390       dir = base_dir / abi
3391       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3392     endif
3393     target_inc += include_directories(
3394       base_dir,
3395       base_dir / abi,
3396     )
3397     if 'CONFIG_LINUX_USER' in config_target
3398       dir = base_dir / abi
3399       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3400       if config_target.has_key('TARGET_SYSTBL_ABI')
3401         arch_srcs += \
3402           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3403                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3404       endif
3405     endif
3406   endif
3407
3408   if 'TARGET_XML_FILES' in config_target
3409     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3410                                 output: target + '-gdbstub-xml.c',
3411                                 input: files(config_target['TARGET_XML_FILES'].split()),
3412                                 command: [feature_to_c, '@INPUT@'],
3413                                 capture: true)
3414     arch_srcs += gdbstub_xml
3415   endif
3416
3417   t = target_arch[target_base_arch].apply(config_target, strict: false)
3418   arch_srcs += t.sources()
3419   arch_deps += t.dependencies()
3420
3421   target_common = common_ss.apply(config_target, strict: false)
3422   objects = common_all.extract_objects(target_common.sources())
3423   deps = target_common.dependencies()
3424
3425   target_specific = specific_ss.apply(config_target, strict: false)
3426   arch_srcs += target_specific.sources()
3427   arch_deps += target_specific.dependencies()
3428
3429   lib = static_library('qemu-' + target,
3430                  sources: arch_srcs + genh,
3431                  dependencies: arch_deps,
3432                  objects: objects,
3433                  include_directories: target_inc,
3434                  c_args: c_args,
3435                  build_by_default: false,
3436                  name_suffix: 'fa')
3437
3438   if target.endswith('-softmmu')
3439     execs = [{
3440       'name': 'qemu-system-' + target_name,
3441       'win_subsystem': 'console',
3442       'sources': files('softmmu/main.c'),
3443       'dependencies': []
3444     }]
3445     if targetos == 'windows' and (sdl.found() or gtk.found())
3446       execs += [{
3447         'name': 'qemu-system-' + target_name + 'w',
3448         'win_subsystem': 'windows',
3449         'sources': files('softmmu/main.c'),
3450         'dependencies': []
3451       }]
3452     endif
3453     if get_option('fuzzing')
3454       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3455       execs += [{
3456         'name': 'qemu-fuzz-' + target_name,
3457         'win_subsystem': 'console',
3458         'sources': specific_fuzz.sources(),
3459         'dependencies': specific_fuzz.dependencies(),
3460       }]
3461     endif
3462   else
3463     execs = [{
3464       'name': 'qemu-' + target_name,
3465       'win_subsystem': 'console',
3466       'sources': [],
3467       'dependencies': []
3468     }]
3469   endif
3470   foreach exe: execs
3471     exe_name = exe['name']
3472     if targetos == 'darwin'
3473       exe_name += '-unsigned'
3474     endif
3475
3476     emulator = executable(exe_name, exe['sources'],
3477                install: true,
3478                c_args: c_args,
3479                dependencies: arch_deps + deps + exe['dependencies'],
3480                objects: lib.extract_all_objects(recursive: true),
3481                link_language: link_language,
3482                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3483                link_args: link_args,
3484                win_subsystem: exe['win_subsystem'])
3485
3486     if targetos == 'darwin'
3487       icon = 'pc-bios/qemu.rsrc'
3488       build_input = [emulator, files(icon)]
3489       install_input = [
3490         get_option('bindir') / exe_name,
3491         meson.current_source_dir() / icon
3492       ]
3493       if 'CONFIG_HVF' in config_target
3494         entitlements = 'accel/hvf/entitlements.plist'
3495         build_input += files(entitlements)
3496         install_input += meson.current_source_dir() / entitlements
3497       endif
3498
3499       emulators += {exe['name'] : custom_target(exe['name'],
3500                    input: build_input,
3501                    output: exe['name'],
3502                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3503       }
3504
3505       meson.add_install_script(entitlement, '--install',
3506                                get_option('bindir') / exe['name'],
3507                                install_input)
3508     else
3509       emulators += {exe['name']: emulator}
3510     endif
3511
3512     if stap.found()
3513       foreach stp: [
3514         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3515         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3516         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3517         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3518       ]
3519         custom_target(exe['name'] + stp['ext'],
3520                       input: trace_events_all,
3521                       output: exe['name'] + stp['ext'],
3522                       install: stp['install'],
3523                       install_dir: get_option('datadir') / 'systemtap/tapset',
3524                       command: [
3525                         tracetool, '--group=all', '--format=' + stp['fmt'],
3526                         '--binary=' + stp['bin'],
3527                         '--target-name=' + target_name,
3528                         '--target-type=' + target_type,
3529                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3530                         '@INPUT@', '@OUTPUT@'
3531                       ],
3532                       depend_files: tracetool_depends)
3533       endforeach
3534     endif
3535   endforeach
3536 endforeach
3537
3538 # Other build targets
3539
3540 if 'CONFIG_PLUGIN' in config_host
3541   install_headers('include/qemu/qemu-plugin.h')
3542 endif
3543
3544 subdir('qga')
3545
3546 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3547 # when we don't build tools or system
3548 if xkbcommon.found()
3549   # used for the update-keymaps target, so include rules even if !have_tools
3550   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3551                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3552 endif
3553
3554 if have_tools
3555   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3556              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3557   qemu_io = executable('qemu-io', files('qemu-io.c'),
3558              dependencies: [block, qemuutil], install: true)
3559   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3560                dependencies: [blockdev, qemuutil, gnutls, selinux],
3561                install: true)
3562
3563   subdir('storage-daemon')
3564   subdir('contrib/rdmacm-mux')
3565   subdir('contrib/elf2dmp')
3566
3567   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3568              dependencies: qemuutil,
3569              install: true)
3570
3571   if have_vhost_user
3572     subdir('contrib/vhost-user-blk')
3573     subdir('contrib/vhost-user-gpu')
3574     subdir('contrib/vhost-user-input')
3575     subdir('contrib/vhost-user-scsi')
3576   endif
3577
3578   if targetos == 'linux'
3579     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3580                dependencies: [qemuutil, libcap_ng],
3581                install: true,
3582                install_dir: get_option('libexecdir'))
3583
3584     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3585                dependencies: [authz, crypto, io, qom, qemuutil,
3586                               libcap_ng, mpathpersist],
3587                install: true)
3588   endif
3589
3590   if have_ivshmem
3591     subdir('contrib/ivshmem-client')
3592     subdir('contrib/ivshmem-server')
3593   endif
3594 endif
3595
3596 subdir('scripts')
3597 subdir('tools')
3598 subdir('pc-bios')
3599 subdir('docs')
3600 subdir('tests')
3601 if gtk.found()
3602   subdir('po')
3603 endif
3604
3605 if host_machine.system() == 'windows'
3606   nsis_cmd = [
3607     find_program('scripts/nsis.py'),
3608     '@OUTPUT@',
3609     get_option('prefix'),
3610     meson.current_source_dir(),
3611     host_machine.cpu(),
3612     '--',
3613     '-DDISPLAYVERSION=' + meson.project_version(),
3614   ]
3615   if build_docs
3616     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3617   endif
3618   if gtk.found()
3619     nsis_cmd += '-DCONFIG_GTK=y'
3620   endif
3621
3622   nsis = custom_target('nsis',
3623                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3624                        input: files('qemu.nsi'),
3625                        build_always_stale: true,
3626                        command: nsis_cmd + ['@INPUT@'])
3627   alias_target('installer', nsis)
3628 endif
3629
3630 #########################
3631 # Configuration summary #
3632 #########################
3633
3634 # Directories
3635 summary_info = {}
3636 summary_info += {'Install prefix':    get_option('prefix')}
3637 summary_info += {'BIOS directory':    qemu_datadir}
3638 pathsep = targetos == 'windows' ? ';' : ':'
3639 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3640 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3641 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3642 summary_info += {'module directory':  qemu_moddir}
3643 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3644 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3645 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3646 if targetos != 'windows'
3647   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3648   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3649 else
3650   summary_info += {'local state directory': 'queried at runtime'}
3651 endif
3652 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3653 summary_info += {'Build directory':   meson.current_build_dir()}
3654 summary_info += {'Source path':       meson.current_source_dir()}
3655 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3656 summary(summary_info, bool_yn: true, section: 'Directories')
3657
3658 # Host binaries
3659 summary_info = {}
3660 summary_info += {'git':               config_host['GIT']}
3661 summary_info += {'make':              config_host['MAKE']}
3662 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3663 summary_info += {'sphinx-build':      sphinx_build}
3664 if config_host.has_key('HAVE_GDB_BIN')
3665   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3666 endif
3667 summary_info += {'iasl':              iasl}
3668 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3669 if targetos == 'windows' and have_ga
3670   summary_info += {'wixl':            wixl}
3671 endif
3672 if slirp.found() and have_system
3673   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3674 endif
3675 summary(summary_info, bool_yn: true, section: 'Host binaries')
3676
3677 # Configurable features
3678 summary_info = {}
3679 summary_info += {'Documentation':     build_docs}
3680 summary_info += {'system-mode emulation': have_system}
3681 summary_info += {'user-mode emulation': have_user}
3682 summary_info += {'block layer':       have_block}
3683 summary_info += {'Install blobs':     get_option('install_blobs')}
3684 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3685 if config_host.has_key('CONFIG_MODULES')
3686   summary_info += {'alternative module path': get_option('module_upgrades')}
3687 endif
3688 summary_info += {'fuzzing support':   get_option('fuzzing')}
3689 if have_system
3690   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3691 endif
3692 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3693 if 'simple' in get_option('trace_backends')
3694   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3695 endif
3696 summary_info += {'D-Bus display':     dbus_display}
3697 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3698 summary_info += {'vhost-kernel support': have_vhost_kernel}
3699 summary_info += {'vhost-net support': have_vhost_net}
3700 summary_info += {'vhost-user support': have_vhost_user}
3701 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3702 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3703 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3704 summary_info += {'build guest agent': have_ga}
3705 summary(summary_info, bool_yn: true, section: 'Configurable features')
3706
3707 # Compilation information
3708 summary_info = {}
3709 summary_info += {'host CPU':          cpu}
3710 summary_info += {'host endianness':   build_machine.endian()}
3711 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3712 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3713 if link_language == 'cpp'
3714   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3715 else
3716   summary_info += {'C++ compiler':      false}
3717 endif
3718 if targetos == 'darwin'
3719   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3720 endif
3721 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3722                                                + ['-O' + get_option('optimization')]
3723                                                + (get_option('debug') ? ['-g'] : []))}
3724 if link_language == 'cpp'
3725   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3726                                                + ['-O' + get_option('optimization')]
3727                                                + (get_option('debug') ? ['-g'] : []))}
3728 endif
3729 if targetos == 'darwin'
3730   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3731                                                + ['-O' + get_option('optimization')]
3732                                                + (get_option('debug') ? ['-g'] : []))}
3733 endif
3734 link_args = get_option(link_language + '_link_args')
3735 if link_args.length() > 0
3736   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3737 endif
3738 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3739 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3740 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3741 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3742 summary_info += {'profiler':          get_option('profiler')}
3743 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3744 summary_info += {'PIE':               get_option('b_pie')}
3745 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3746 summary_info += {'malloc trim support': has_malloc_trim}
3747 summary_info += {'membarrier':        have_membarrier}
3748 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3749 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3750 summary_info += {'memory allocator':  get_option('malloc')}
3751 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3752 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3753 summary_info += {'gprof enabled':     get_option('gprof')}
3754 summary_info += {'gcov':              get_option('b_coverage')}
3755 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3756 summary_info += {'CFI support':       get_option('cfi')}
3757 if get_option('cfi')
3758   summary_info += {'CFI debug support': get_option('cfi_debug')}
3759 endif
3760 summary_info += {'strip binaries':    get_option('strip')}
3761 summary_info += {'sparse':            sparse}
3762 summary_info += {'mingw32 support':   targetos == 'windows'}
3763 summary(summary_info, bool_yn: true, section: 'Compilation')
3764
3765 # snarf the cross-compilation information for tests
3766 summary_info = {}
3767 have_cross = false
3768 foreach target: target_dirs
3769   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3770   if fs.exists(tcg_mak)
3771     config_cross_tcg = keyval.load(tcg_mak)
3772     if 'CC' in config_cross_tcg
3773       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3774       have_cross = true
3775     endif
3776   endif
3777 endforeach
3778 if have_cross
3779   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3780 endif
3781
3782 # Targets and accelerators
3783 summary_info = {}
3784 if have_system
3785   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3786   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3787   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3788   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3789   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3790   summary_info += {'Xen support':       xen.found()}
3791   if xen.found()
3792     summary_info += {'xen ctrl version':  xen.version()}
3793   endif
3794 endif
3795 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3796 if config_all.has_key('CONFIG_TCG')
3797   if get_option('tcg_interpreter')
3798     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3799   else
3800     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3801   endif
3802   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3803   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3804 endif
3805 summary_info += {'target list':       ' '.join(target_dirs)}
3806 if have_system
3807   summary_info += {'default devices':   get_option('default_devices')}
3808   summary_info += {'out of process emulation': multiprocess_allowed}
3809   summary_info += {'vfio-user server': vfio_user_server_allowed}
3810 endif
3811 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3812
3813 # Block layer
3814 summary_info = {}
3815 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3816 summary_info += {'coroutine pool':    have_coroutine_pool}
3817 if have_block
3818   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3819   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3820   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3821   summary_info += {'VirtFS support':    have_virtfs}
3822   summary_info += {'build virtiofs daemon': have_virtiofsd}
3823   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3824   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3825   summary_info += {'bochs support':     get_option('bochs').allowed()}
3826   summary_info += {'cloop support':     get_option('cloop').allowed()}
3827   summary_info += {'dmg support':       get_option('dmg').allowed()}
3828   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3829   summary_info += {'vdi support':       get_option('vdi').allowed()}
3830   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3831   summary_info += {'qed support':       get_option('qed').allowed()}
3832   summary_info += {'parallels support': get_option('parallels').allowed()}
3833   summary_info += {'FUSE exports':      fuse}
3834   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3835 endif
3836 summary(summary_info, bool_yn: true, section: 'Block layer support')
3837
3838 # Crypto
3839 summary_info = {}
3840 summary_info += {'TLS priority':      get_option('tls_priority')}
3841 summary_info += {'GNUTLS support':    gnutls}
3842 if gnutls.found()
3843   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3844 endif
3845 summary_info += {'libgcrypt':         gcrypt}
3846 summary_info += {'nettle':            nettle}
3847 if nettle.found()
3848    summary_info += {'  XTS':             xts != 'private'}
3849 endif
3850 summary_info += {'AF_ALG support':    have_afalg}
3851 summary_info += {'rng-none':          get_option('rng_none')}
3852 summary_info += {'Linux keyring':     have_keyring}
3853 summary(summary_info, bool_yn: true, section: 'Crypto')
3854
3855 # Libraries
3856 summary_info = {}
3857 if targetos == 'darwin'
3858   summary_info += {'Cocoa support':           cocoa}
3859   summary_info += {'vmnet.framework support': vmnet}
3860 endif
3861 summary_info += {'SDL support':       sdl}
3862 summary_info += {'SDL image support': sdl_image}
3863 summary_info += {'GTK support':       gtk}
3864 summary_info += {'pixman':            pixman}
3865 summary_info += {'VTE support':       vte}
3866 summary_info += {'slirp support':     slirp}
3867 summary_info += {'libtasn1':          tasn1}
3868 summary_info += {'PAM':               pam}
3869 summary_info += {'iconv support':     iconv}
3870 summary_info += {'curses support':    curses}
3871 summary_info += {'virgl support':     virgl}
3872 summary_info += {'curl support':      curl}
3873 summary_info += {'Multipath support': mpathpersist}
3874 summary_info += {'PNG support':       png}
3875 summary_info += {'VNC support':       vnc}
3876 if vnc.found()
3877   summary_info += {'VNC SASL support':  sasl}
3878   summary_info += {'VNC JPEG support':  jpeg}
3879 endif
3880 if targetos not in ['darwin', 'haiku', 'windows']
3881   summary_info += {'OSS support':     oss}
3882   summary_info += {'sndio support':   sndio}
3883 elif targetos == 'darwin'
3884   summary_info += {'CoreAudio support': coreaudio}
3885 elif targetos == 'windows'
3886   summary_info += {'DirectSound support': dsound}
3887 endif
3888 if targetos == 'linux'
3889   summary_info += {'ALSA support':    alsa}
3890   summary_info += {'PulseAudio support': pulse}
3891 endif
3892 summary_info += {'JACK support':      jack}
3893 summary_info += {'brlapi support':    brlapi}
3894 summary_info += {'vde support':       vde}
3895 summary_info += {'netmap support':    have_netmap}
3896 summary_info += {'l2tpv3 support':    have_l2tpv3}
3897 summary_info += {'Linux AIO support': libaio}
3898 summary_info += {'Linux io_uring support': linux_io_uring}
3899 summary_info += {'ATTR/XATTR support': libattr}
3900 summary_info += {'RDMA support':      rdma}
3901 summary_info += {'PVRDMA support':    have_pvrdma}
3902 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3903 summary_info += {'libcap-ng support': libcap_ng}
3904 summary_info += {'bpf support':       libbpf}
3905 summary_info += {'spice protocol support': spice_protocol}
3906 if spice_protocol.found()
3907   summary_info += {'  spice server support': spice}
3908 endif
3909 summary_info += {'rbd support':       rbd}
3910 summary_info += {'smartcard support': cacard}
3911 summary_info += {'U2F support':       u2f}
3912 summary_info += {'libusb':            libusb}
3913 summary_info += {'usb net redir':     usbredir}
3914 summary_info += {'OpenGL support (epoxy)': opengl}
3915 summary_info += {'GBM':               gbm}
3916 summary_info += {'libiscsi support':  libiscsi}
3917 summary_info += {'libnfs support':    libnfs}
3918 if targetos == 'windows'
3919   if have_ga
3920     summary_info += {'QGA VSS support':   have_qga_vss}
3921   endif
3922 endif
3923 summary_info += {'seccomp support':   seccomp}
3924 summary_info += {'GlusterFS support': glusterfs}
3925 summary_info += {'TPM support':       have_tpm}
3926 summary_info += {'libssh support':    libssh}
3927 summary_info += {'lzo support':       lzo}
3928 summary_info += {'snappy support':    snappy}
3929 summary_info += {'bzip2 support':     libbzip2}
3930 summary_info += {'lzfse support':     liblzfse}
3931 summary_info += {'zstd support':      zstd}
3932 summary_info += {'NUMA host support': numa}
3933 summary_info += {'capstone':          capstone}
3934 summary_info += {'libpmem support':   libpmem}
3935 summary_info += {'libdaxctl support': libdaxctl}
3936 summary_info += {'libudev':           libudev}
3937 # Dummy dependency, keep .found()
3938 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3939 summary_info += {'selinux':           selinux}
3940 summary(summary_info, bool_yn: true, section: 'Dependencies')
3941
3942 if not supported_cpus.contains(cpu)
3943   message()
3944   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3945   message()
3946   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3947   message('The QEMU project intends to remove support for this host CPU in')
3948   message('a future release if nobody volunteers to maintain it and to')
3949   message('provide a build host for our continuous integration setup.')
3950   message('configure has succeeded and you can continue to build, but')
3951   message('if you care about QEMU on this platform you should contact')
3952   message('us upstream at qemu-devel@nongnu.org.')
3953 endif
3954
3955 if not supported_oses.contains(targetos)
3956   message()
3957   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3958   message()
3959   message('Host OS ' + targetos + 'support is not currently maintained.')
3960   message('The QEMU project intends to remove support for this host OS in')
3961   message('a future release if nobody volunteers to maintain it and to')
3962   message('provide a build host for our continuous integration setup.')
3963   message('configure has succeeded and you can continue to build, but')
3964   message('if you care about QEMU on this platform you should contact')
3965   message('us upstream at qemu-devel@nongnu.org.')
3966 endif