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', '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', 'freebsd'],
  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 == 'x86_64'
 473     tcg_arch = 'i386'
 474   elif host_arch == 'ppc64'
 475     tcg_arch = 'ppc'
 476   endif
 477   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 478                         language: ['c', 'cpp', 'objc'])
 479
 480   accelerators += 'CONFIG_TCG'
 481   config_host += { 'CONFIG_TCG': 'y' }
 482 endif
 483
 484 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 485   error('KVM not available on this platform')
 486 endif
 487 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 488   error('HVF not available on this platform')
 489 endif
 490 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 491   error('NVMM not available on this platform')
 492 endif
 493 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 494   error('WHPX not available on this platform')
 495 endif
 496
 497 ################
 498 # Dependencies #
 499 ################
 500
 501 # The path to glib.h is added to all compilation commands.  This was
 502 # grandfathered in from the QEMU Makefiles.
 503 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 504                       native: false, language: ['c', 'cpp', 'objc'])
 505 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 506                           link_args: config_host['GLIB_LIBS'].split(),
 507                           version: config_host['GLIB_VERSION'],
 508                           variables: {
 509                             'bindir': config_host['GLIB_BINDIR'],
 510                           })
 511 # override glib dep with the configure results (for subprojects)
 512 meson.override_dependency('glib-2.0', glib)
 513
 514 gio = not_found
 515 gdbus_codegen = not_found
 516 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
 517 if not get_option('gio').auto() or have_system
 518   gio = dependency('gio-2.0', required: get_option('gio'),
 519                    method: 'pkg-config', kwargs: static_kwargs)
 520   if gio.found() and not cc.links('''
 521     #include <gio/gio.h>
 522     int main(void)
 523     {
 524       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 525       return 0;
 526     }''', dependencies: [glib, gio])
 527     if get_option('gio').enabled()
 528       error('The installed libgio is broken for static linking')
 529     endif
 530     gio = not_found
 531   endif
 532   if gio.found()
 533     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 534                                  required: get_option('gio'))
 535     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 536                           method: 'pkg-config', kwargs: static_kwargs)
 537     gio = declare_dependency(dependencies: [gio, gio_unix],
 538                              version: gio.version())
 539   endif
 540 endif
 541 if gdbus_codegen.found() and get_option('cfi')
 542   gdbus_codegen = not_found
 543   gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
 544 endif
 545
 546 lttng = not_found
 547 if 'ust' in get_option('trace_backends')
 548   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 549                      method: 'pkg-config', kwargs: static_kwargs)
 550 endif
 551 pixman = not_found
 552 if have_system or have_tools
 553   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 554                       method: 'pkg-config', kwargs: static_kwargs)
 555 endif
 556 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 557
 558 libaio = not_found
 559 if not get_option('linux_aio').auto() or have_block
 560   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 561                            required: get_option('linux_aio'),
 562                            kwargs: static_kwargs)
 563 endif
 564
 565 linux_io_uring_test = '''
 566   #include <liburing.h>
 567   #include <linux/errqueue.h>
 568
 569   int main(void) { return 0; }'''
 570
 571 linux_io_uring = not_found
 572 if not get_option('linux_io_uring').auto() or have_block
 573   linux_io_uring = dependency('liburing', version: '>=0.3',
 574                               required: get_option('linux_io_uring'),
 575                               method: 'pkg-config', kwargs: static_kwargs)
 576   if not cc.links(linux_io_uring_test)
 577     linux_io_uring = not_found
 578   endif
 579 endif
 580
 581 libnfs = not_found
 582 if not get_option('libnfs').auto() or have_block
 583   libnfs = dependency('libnfs', version: '>=1.9.3',
 584                       required: get_option('libnfs'),
 585                       method: 'pkg-config', kwargs: static_kwargs)
 586 endif
 587
 588 libattr_test = '''
 589   #include <stddef.h>
 590   #include <sys/types.h>
 591   #ifdef CONFIG_LIBATTR
 592   #include <attr/xattr.h>
 593   #else
 594   #include <sys/xattr.h>
 595   #endif
 596   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 597
 598 libattr = not_found
 599 have_old_libattr = false
 600 if get_option('attr').allowed()
 601   if cc.links(libattr_test)
 602     libattr = declare_dependency()
 603   else
 604     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 605                               required: get_option('attr'),
 606                               kwargs: static_kwargs)
 607     if libattr.found() and not \
 608       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 609       libattr = not_found
 610       if get_option('attr').enabled()
 611         error('could not link libattr')
 612       else
 613         warning('could not link libattr, disabling')
 614       endif
 615     else
 616       have_old_libattr = libattr.found()
 617     endif
 618   endif
 619 endif
 620
 621 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
 622                    required: get_option('cocoa'))
 623
 624 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 625 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 626                                               'VMNET_BRIDGED_MODE',
 627                                               dependencies: vmnet)
 628   vmnet = not_found
 629   if get_option('vmnet').enabled()
 630     error('vmnet.framework API is outdated')
 631   else
 632     warning('vmnet.framework API is outdated, disabling')
 633   endif
 634 endif
 635
 636 seccomp = not_found
 637 seccomp_has_sysrawrc = false
 638 if not get_option('seccomp').auto() or have_system or have_tools
 639   seccomp = dependency('libseccomp', version: '>=2.3.0',
 640                        required: get_option('seccomp'),
 641                        method: 'pkg-config', kwargs: static_kwargs)
 642   if seccomp.found()
 643     seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
 644                                                 'SCMP_FLTATR_API_SYSRAWRC',
 645                                                 dependencies: seccomp)
 646   endif
 647 endif
 648
 649 libcap_ng = not_found
 650 if not get_option('cap_ng').auto() or have_system or have_tools
 651   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 652                               required: get_option('cap_ng'),
 653                               kwargs: static_kwargs)
 654 endif
 655 if libcap_ng.found() and not cc.links('''
 656    #include <cap-ng.h>
 657    int main(void)
 658    {
 659      capng_capability_to_name(CAPNG_EFFECTIVE);
 660      return 0;
 661    }''', dependencies: libcap_ng)
 662   libcap_ng = not_found
 663   if get_option('cap_ng').enabled()
 664     error('could not link libcap-ng')
 665   else
 666     warning('could not link libcap-ng, disabling')
 667   endif
 668 endif
 669
 670 if get_option('xkbcommon').auto() and not have_system and not have_tools
 671   xkbcommon = not_found
 672 else
 673   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 674                          method: 'pkg-config', kwargs: static_kwargs)
 675 endif
 676
 677 slirp = not_found
 678 if not get_option('slirp').auto() or have_system
 679   slirp = dependency('slirp', required: get_option('slirp'),
 680                      method: 'pkg-config', kwargs: static_kwargs)
 681   # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
 682   # it passes function pointers within libslirp as callbacks for timers.
 683   # When using a system-wide shared libslirp, the type information for the
 684   # callback is missing and the timer call produces a false positive with CFI.
 685   # Do not use the "version" keyword argument to produce a better error.
 686   # with control-flow integrity.
 687   if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
 688     if get_option('slirp').enabled()
 689       error('Control-Flow Integrity requires libslirp 4.7.')
 690     else
 691       warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
 692       slirp = not_found
 693     endif
 694   endif
 695 endif
 696
 697 vde = not_found
 698 if not get_option('vde').auto() or have_system or have_tools
 699   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 700                            required: get_option('vde'),
 701                            kwargs: static_kwargs)
 702 endif
 703 if vde.found() and not cc.links('''
 704    #include <libvdeplug.h>
 705    int main(void)
 706    {
 707      struct vde_open_args a = {0, 0, 0};
 708      char s[] = "";
 709      vde_open(s, s, &a);
 710      return 0;
 711    }''', dependencies: vde)
 712   vde = not_found
 713   if get_option('cap_ng').enabled()
 714     error('could not link libvdeplug')
 715   else
 716     warning('could not link libvdeplug, disabling')
 717   endif
 718 endif
 719
 720 pulse = not_found
 721 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 722   pulse = dependency('libpulse', required: get_option('pa'),
 723                      method: 'pkg-config', kwargs: static_kwargs)
 724 endif
 725 alsa = not_found
 726 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 727   alsa = dependency('alsa', required: get_option('alsa'),
 728                     method: 'pkg-config', kwargs: static_kwargs)
 729 endif
 730 jack = not_found
 731 if not get_option('jack').auto() or have_system
 732   jack = dependency('jack', required: get_option('jack'),
 733                     method: 'pkg-config', kwargs: static_kwargs)
 734 endif
 735 sndio = not_found
 736 if not get_option('sndio').auto() or have_system
 737   sndio = dependency('sndio', required: get_option('sndio'),
 738                     method: 'pkg-config', kwargs: static_kwargs)
 739 endif
 740
 741 spice_protocol = not_found
 742 if not get_option('spice_protocol').auto() or have_system
 743   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 744                               required: get_option('spice_protocol'),
 745                               method: 'pkg-config', kwargs: static_kwargs)
 746 endif
 747 spice = not_found
 748 if not get_option('spice').auto() or have_system
 749   spice = dependency('spice-server', version: '>=0.12.5',
 750                      required: get_option('spice'),
 751                      method: 'pkg-config', kwargs: static_kwargs)
 752 endif
 753 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 754
 755 rt = cc.find_library('rt', required: false)
 756
 757 libiscsi = not_found
 758 if not get_option('libiscsi').auto() or have_block
 759   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 760                          required: get_option('libiscsi'),
 761                          method: 'pkg-config', kwargs: static_kwargs)
 762 endif
 763 zstd = not_found
 764 if not get_option('zstd').auto() or have_block
 765   zstd = dependency('libzstd', version: '>=1.4.0',
 766                     required: get_option('zstd'),
 767                     method: 'pkg-config', kwargs: static_kwargs)
 768 endif
 769 virgl = not_found
 770
 771 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 772 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 773   virgl = dependency('virglrenderer',
 774                      method: 'pkg-config',
 775                      required: get_option('virglrenderer'),
 776                      kwargs: static_kwargs)
 777 endif
 778 blkio = not_found
 779 if not get_option('blkio').auto() or have_block
 780   blkio = dependency('blkio',
 781                      method: 'pkg-config',
 782                      required: get_option('blkio'),
 783                      kwargs: static_kwargs)
 784 endif
 785 curl = not_found
 786 if not get_option('curl').auto() or have_block
 787   curl = dependency('libcurl', version: '>=7.29.0',
 788                     method: 'pkg-config',
 789                     required: get_option('curl'),
 790                     kwargs: static_kwargs)
 791 endif
 792 libudev = not_found
 793 if targetos == 'linux' and (have_system or have_tools)
 794   libudev = dependency('libudev',
 795                        method: 'pkg-config',
 796                        required: get_option('libudev'),
 797                        kwargs: static_kwargs)
 798 endif
 799
 800 mpathlibs = [libudev]
 801 mpathpersist = not_found
 802 mpathpersist_new_api = false
 803 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 804   mpath_test_source_new = '''
 805     #include <libudev.h>
 806     #include <mpath_persist.h>
 807     unsigned mpath_mx_alloc_len = 1024;
 808     int logsink;
 809     static struct config *multipath_conf;
 810     extern struct udev *udev;
 811     extern struct config *get_multipath_config(void);
 812     extern void put_multipath_config(struct config *conf);
 813     struct udev *udev;
 814     struct config *get_multipath_config(void) { return multipath_conf; }
 815     void put_multipath_config(struct config *conf) { }
 816     int main(void) {
 817         udev = udev_new();
 818         multipath_conf = mpath_lib_init();
 819         return 0;
 820     }'''
 821   mpath_test_source_old = '''
 822       #include <libudev.h>
 823       #include <mpath_persist.h>
 824       unsigned mpath_mx_alloc_len = 1024;
 825       int logsink;
 826       int main(void) {
 827           struct udev *udev = udev_new();
 828           mpath_lib_init(udev);
 829           return 0;
 830       }'''
 831   libmpathpersist = cc.find_library('mpathpersist',
 832                                     required: get_option('mpath'),
 833                                     kwargs: static_kwargs)
 834   if libmpathpersist.found()
 835     mpathlibs += libmpathpersist
 836     if enable_static
 837       mpathlibs += cc.find_library('devmapper',
 838                                      required: get_option('mpath'),
 839                                      kwargs: static_kwargs)
 840     endif
 841     mpathlibs += cc.find_library('multipath',
 842                                  required: get_option('mpath'),
 843                                  kwargs: static_kwargs)
 844     foreach lib: mpathlibs
 845       if not lib.found()
 846         mpathlibs = []
 847         break
 848       endif
 849     endforeach
 850     if mpathlibs.length() == 0
 851       msg = 'Dependencies missing for libmpathpersist'
 852     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 853       mpathpersist = declare_dependency(dependencies: mpathlibs)
 854       mpathpersist_new_api = true
 855     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 856       mpathpersist = declare_dependency(dependencies: mpathlibs)
 857     else
 858       msg = 'Cannot detect libmpathpersist API'
 859     endif
 860     if not mpathpersist.found()
 861       if get_option('mpath').enabled()
 862         error(msg)
 863       else
 864         warning(msg + ', disabling')
 865       endif
 866     endif
 867   endif
 868 endif
 869
 870 iconv = not_found
 871 curses = not_found
 872 if have_system and get_option('curses').allowed()
 873   curses_test = '''
 874     #if defined(__APPLE__) || defined(__OpenBSD__)
 875     #define _XOPEN_SOURCE_EXTENDED 1
 876     #endif
 877     #include <locale.h>
 878     #include <curses.h>
 879     #include <wchar.h>
 880     int main(void) {
 881       wchar_t wch = L'w';
 882       setlocale(LC_ALL, "");
 883       resize_term(0, 0);
 884       addwstr(L"wide chars\n");
 885       addnwstr(&wch, 1);
 886       add_wch(WACS_DEGREE);
 887       return 0;
 888     }'''
 889
 890   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 891   curses = dependency(curses_dep_list,
 892                       required: false,
 893                       method: 'pkg-config',
 894                       kwargs: static_kwargs)
 895   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 896   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 897   if curses.found()
 898     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 899       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 900     else
 901       msg = 'curses package not usable'
 902       curses = not_found
 903     endif
 904   endif
 905   if not curses.found()
 906     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 907     if targetos != 'windows' and not has_curses_h
 908       message('Trying with /usr/include/ncursesw')
 909       curses_compile_args += ['-I/usr/include/ncursesw']
 910       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 911     endif
 912     if has_curses_h
 913       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 914       foreach curses_libname : curses_libname_list
 915         libcurses = cc.find_library(curses_libname,
 916                                     required: false,
 917                                     kwargs: static_kwargs)
 918         if libcurses.found()
 919           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 920             curses = declare_dependency(compile_args: curses_compile_args,
 921                                         dependencies: [libcurses])
 922             break
 923           else
 924             msg = 'curses library not usable'
 925           endif
 926         endif
 927       endforeach
 928     endif
 929   endif
 930   if get_option('iconv').allowed()
 931     foreach link_args : [ ['-liconv'], [] ]
 932       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 933       # We need to use libiconv if available because mixing libiconv's headers with
 934       # the system libc does not work.
 935       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 936       # included in the command line and libiconv will not be found.
 937       if cc.links('''
 938         #include <iconv.h>
 939         int main(void) {
 940           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 941           return conv != (iconv_t) -1;
 942         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 943         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 944         break
 945       endif
 946     endforeach
 947   endif
 948   if curses.found() and not iconv.found()
 949     if get_option('iconv').enabled()
 950       error('iconv not available')
 951     endif
 952     msg = 'iconv required for curses UI but not available'
 953     curses = not_found
 954   endif
 955   if not curses.found() and msg != ''
 956     if get_option('curses').enabled()
 957       error(msg)
 958     else
 959       warning(msg + ', disabling')
 960     endif
 961   endif
 962 endif
 963
 964 brlapi = not_found
 965 if not get_option('brlapi').auto() or have_system
 966   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 967                          required: get_option('brlapi'),
 968                          kwargs: static_kwargs)
 969   if brlapi.found() and not cc.links('''
 970      #include <brlapi.h>
 971      #include <stddef.h>
 972      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 973     brlapi = not_found
 974     if get_option('brlapi').enabled()
 975       error('could not link brlapi')
 976     else
 977       warning('could not link brlapi, disabling')
 978     endif
 979   endif
 980 endif
 981
 982 sdl = not_found
 983 if not get_option('sdl').auto() or have_system
 984   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 985   sdl_image = not_found
 986 endif
 987 if sdl.found()
 988   # work around 2.0.8 bug
 989   sdl = declare_dependency(compile_args: '-Wno-undef',
 990                            dependencies: sdl)
 991   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 992                          method: 'pkg-config', kwargs: static_kwargs)
 993 else
 994   if get_option('sdl_image').enabled()
 995     error('sdl-image required, but SDL was @0@'.format(
 996           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 997   endif
 998   sdl_image = not_found
 999 endif
1000
1001 rbd = not_found
1002 if not get_option('rbd').auto() or have_block
1003   librados = cc.find_library('rados', required: get_option('rbd'),
1004                              kwargs: static_kwargs)
1005   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1006                            required: get_option('rbd'),
1007                            kwargs: static_kwargs)
1008   if librados.found() and librbd.found()
1009     if cc.links('''
1010       #include <stdio.h>
1011       #include <rbd/librbd.h>
1012       int main(void) {
1013         rados_t cluster;
1014         rados_create(&cluster, NULL);
1015         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1016         #error
1017         #endif
1018         return 0;
1019       }''', dependencies: [librbd, librados])
1020       rbd = declare_dependency(dependencies: [librbd, librados])
1021     elif get_option('rbd').enabled()
1022       error('librbd >= 1.12.0 required')
1023     else
1024       warning('librbd >= 1.12.0 not found, disabling')
1025     endif
1026   endif
1027 endif
1028
1029 glusterfs = not_found
1030 glusterfs_ftruncate_has_stat = false
1031 glusterfs_iocb_has_stat = false
1032 if not get_option('glusterfs').auto() or have_block
1033   glusterfs = dependency('glusterfs-api', version: '>=3',
1034                          required: get_option('glusterfs'),
1035                          method: 'pkg-config', kwargs: static_kwargs)
1036   if glusterfs.found()
1037     glusterfs_ftruncate_has_stat = cc.links('''
1038       #include <glusterfs/api/glfs.h>
1039
1040       int
1041       main(void)
1042       {
1043           /* new glfs_ftruncate() passes two additional args */
1044           return glfs_ftruncate(NULL, 0, NULL, NULL);
1045       }
1046     ''', dependencies: glusterfs)
1047     glusterfs_iocb_has_stat = cc.links('''
1048       #include <glusterfs/api/glfs.h>
1049
1050       /* new glfs_io_cbk() passes two additional glfs_stat structs */
1051       static void
1052       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1053       {}
1054
1055       int
1056       main(void)
1057       {
1058           glfs_io_cbk iocb = &glusterfs_iocb;
1059           iocb(NULL, 0 , NULL, NULL, NULL);
1060           return 0;
1061       }
1062     ''', dependencies: glusterfs)
1063   endif
1064 endif
1065
1066 libssh = not_found
1067 if not get_option('libssh').auto() or have_block
1068   libssh = dependency('libssh', version: '>=0.8.7',
1069                     method: 'pkg-config',
1070                     required: get_option('libssh'),
1071                     kwargs: static_kwargs)
1072 endif
1073
1074 libbzip2 = not_found
1075 if not get_option('bzip2').auto() or have_block
1076   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1077                              required: get_option('bzip2'),
1078                              kwargs: static_kwargs)
1079   if libbzip2.found() and not cc.links('''
1080      #include <bzlib.h>
1081      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1082     libbzip2 = not_found
1083     if get_option('bzip2').enabled()
1084       error('could not link libbzip2')
1085     else
1086       warning('could not link libbzip2, disabling')
1087     endif
1088   endif
1089 endif
1090
1091 liblzfse = not_found
1092 if not get_option('lzfse').auto() or have_block
1093   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1094                              required: get_option('lzfse'),
1095                              kwargs: static_kwargs)
1096 endif
1097 if liblzfse.found() and not cc.links('''
1098    #include <lzfse.h>
1099    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1100   liblzfse = not_found
1101   if get_option('lzfse').enabled()
1102     error('could not link liblzfse')
1103   else
1104     warning('could not link liblzfse, disabling')
1105   endif
1106 endif
1107
1108 oss = not_found
1109 if get_option('oss').allowed() and have_system
1110   if not cc.has_header('sys/soundcard.h')
1111     # not found
1112   elif targetos == 'netbsd'
1113     oss = cc.find_library('ossaudio', required: get_option('oss'),
1114                           kwargs: static_kwargs)
1115   else
1116     oss = declare_dependency()
1117   endif
1118
1119   if not oss.found()
1120     if get_option('oss').enabled()
1121       error('OSS not found')
1122     endif
1123   endif
1124 endif
1125 dsound = not_found
1126 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1127   if cc.has_header('dsound.h')
1128     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1129   endif
1130
1131   if not dsound.found()
1132     if get_option('dsound').enabled()
1133       error('DirectSound not found')
1134     endif
1135   endif
1136 endif
1137
1138 coreaudio = not_found
1139 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1140   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1141                          required: get_option('coreaudio'))
1142 endif
1143
1144 opengl = not_found
1145 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1146   epoxy = dependency('epoxy', method: 'pkg-config',
1147                       required: get_option('opengl'), kwargs: static_kwargs)
1148   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1149     opengl = epoxy
1150   elif get_option('opengl').enabled()
1151     error('epoxy/egl.h not found')
1152   endif
1153 endif
1154 gbm = not_found
1155 if (have_system or have_tools) and (virgl.found() or opengl.found())
1156   gbm = dependency('gbm', method: 'pkg-config', required: false,
1157                    kwargs: static_kwargs)
1158 endif
1159 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1160
1161 gnutls = not_found
1162 gnutls_crypto = not_found
1163 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1164   # For general TLS support our min gnutls matches
1165   # that implied by our platform support matrix
1166   #
1167   # For the crypto backends, we look for a newer
1168   # gnutls:
1169   #
1170   #   Version 3.6.8  is needed to get XTS
1171   #   Version 3.6.13 is needed to get PBKDF
1172   #   Version 3.6.14 is needed to get HW accelerated XTS
1173   #
1174   # If newer enough gnutls isn't available, we can
1175   # still use a different crypto backend to satisfy
1176   # the platform support requirements
1177   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1178                              method: 'pkg-config',
1179                              required: false,
1180                              kwargs: static_kwargs)
1181   if gnutls_crypto.found()
1182     gnutls = gnutls_crypto
1183   else
1184     # Our min version if all we need is TLS
1185     gnutls = dependency('gnutls', version: '>=3.5.18',
1186                         method: 'pkg-config',
1187                         required: get_option('gnutls'),
1188                         kwargs: static_kwargs)
1189   endif
1190 endif
1191
1192 # We prefer use of gnutls for crypto, unless the options
1193 # explicitly asked for nettle or gcrypt.
1194 #
1195 # If gnutls isn't available for crypto, then we'll prefer
1196 # gcrypt over nettle for performance reasons.
1197 gcrypt = not_found
1198 nettle = not_found
1199 hogweed = not_found
1200 xts = 'none'
1201
1202 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1203   error('Only one of gcrypt & nettle can be enabled')
1204 endif
1205
1206 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1207 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1208   gnutls_crypto = not_found
1209 endif
1210
1211 if not gnutls_crypto.found()
1212   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1213     gcrypt = dependency('libgcrypt', version: '>=1.8',
1214                         method: 'config-tool',
1215                         required: get_option('gcrypt'),
1216                         kwargs: static_kwargs)
1217     # Debian has removed -lgpg-error from libgcrypt-config
1218     # as it "spreads unnecessary dependencies" which in
1219     # turn breaks static builds...
1220     if gcrypt.found() and enable_static
1221       gcrypt = declare_dependency(dependencies: [
1222         gcrypt,
1223         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1224     endif
1225   endif
1226   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1227     nettle = dependency('nettle', version: '>=3.4',
1228                         method: 'pkg-config',
1229                         required: get_option('nettle'),
1230                         kwargs: static_kwargs)
1231     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1232       xts = 'private'
1233     endif
1234   endif
1235 endif
1236
1237 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1238 if nettle.found() and gmp.found()
1239   hogweed = dependency('hogweed', version: '>=3.4',
1240                        method: 'pkg-config',
1241                        required: get_option('nettle'),
1242                        kwargs: static_kwargs)
1243 endif
1244
1245
1246 gtk = not_found
1247 gtkx11 = not_found
1248 vte = not_found
1249 if not get_option('gtk').auto() or have_system
1250   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1251                    method: 'pkg-config',
1252                    required: get_option('gtk'),
1253                    kwargs: static_kwargs)
1254   if gtk.found()
1255     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1256                         method: 'pkg-config',
1257                         required: false,
1258                         kwargs: static_kwargs)
1259     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1260
1261     if not get_option('vte').auto() or have_system
1262       vte = dependency('vte-2.91',
1263                        method: 'pkg-config',
1264                        required: get_option('vte'),
1265                        kwargs: static_kwargs)
1266     endif
1267   endif
1268 endif
1269
1270 x11 = not_found
1271 if gtkx11.found()
1272   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1273                    kwargs: static_kwargs)
1274 endif
1275 png = not_found
1276 if get_option('png').allowed() and have_system
1277    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1278                     method: 'pkg-config', kwargs: static_kwargs)
1279 endif
1280 vnc = not_found
1281 jpeg = not_found
1282 sasl = not_found
1283 if get_option('vnc').allowed() and have_system
1284   vnc = declare_dependency() # dummy dependency
1285   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1286                     method: 'pkg-config', kwargs: static_kwargs)
1287   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1288                          required: get_option('vnc_sasl'),
1289                          kwargs: static_kwargs)
1290   if sasl.found()
1291     sasl = declare_dependency(dependencies: sasl,
1292                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1293   endif
1294 endif
1295
1296 pam = not_found
1297 if not get_option('auth_pam').auto() or have_system
1298   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1299                         required: get_option('auth_pam'),
1300                         kwargs: static_kwargs)
1301 endif
1302 if pam.found() and not cc.links('''
1303    #include <stddef.h>
1304    #include <security/pam_appl.h>
1305    int main(void) {
1306      const char *service_name = "qemu";
1307      const char *user = "frank";
1308      const struct pam_conv pam_conv = { 0 };
1309      pam_handle_t *pamh = NULL;
1310      pam_start(service_name, user, &pam_conv, &pamh);
1311      return 0;
1312    }''', dependencies: pam)
1313   pam = not_found
1314   if get_option('auth_pam').enabled()
1315     error('could not link libpam')
1316   else
1317     warning('could not link libpam, disabling')
1318   endif
1319 endif
1320
1321 snappy = not_found
1322 if not get_option('snappy').auto() or have_system
1323   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1324                            required: get_option('snappy'),
1325                            kwargs: static_kwargs)
1326 endif
1327 if snappy.found() and not linker.links('''
1328    #include <snappy-c.h>
1329    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1330   snappy = not_found
1331   if get_option('snappy').enabled()
1332     error('could not link libsnappy')
1333   else
1334     warning('could not link libsnappy, disabling')
1335   endif
1336 endif
1337
1338 lzo = not_found
1339 if not get_option('lzo').auto() or have_system
1340   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1341                         required: get_option('lzo'),
1342                         kwargs: static_kwargs)
1343 endif
1344 if lzo.found() and not cc.links('''
1345    #include <lzo/lzo1x.h>
1346    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1347   lzo = not_found
1348   if get_option('lzo').enabled()
1349     error('could not link liblzo2')
1350   else
1351     warning('could not link liblzo2, disabling')
1352   endif
1353 endif
1354
1355 numa = not_found
1356 if not get_option('numa').auto() or have_system or have_tools
1357   numa = cc.find_library('numa', has_headers: ['numa.h'],
1358                               required: get_option('numa'),
1359                               kwargs: static_kwargs)
1360 endif
1361 if numa.found() and not cc.links('''
1362    #include <numa.h>
1363    int main(void) { return numa_available(); }
1364    ''', dependencies: numa)
1365   numa = not_found
1366   if get_option('numa').enabled()
1367     error('could not link numa')
1368   else
1369     warning('could not link numa, disabling')
1370   endif
1371 endif
1372
1373 rdma = not_found
1374 if not get_option('rdma').auto() or have_system
1375   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1376   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1377                                required: get_option('rdma'),
1378                                kwargs: static_kwargs),
1379                cc.find_library('ibverbs', required: get_option('rdma'),
1380                                kwargs: static_kwargs),
1381                libumad]
1382   rdma = declare_dependency(dependencies: rdma_libs)
1383   foreach lib: rdma_libs
1384     if not lib.found()
1385       rdma = not_found
1386     endif
1387   endforeach
1388 endif
1389
1390 xen = not_found
1391 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1392   xencontrol = dependency('xencontrol', required: false,
1393                           method: 'pkg-config', kwargs: static_kwargs)
1394   if xencontrol.found()
1395     xen_pc = declare_dependency(version: xencontrol.version(),
1396       dependencies: [
1397         xencontrol,
1398         # disabler: true makes xen_pc.found() return false if any is not found
1399         dependency('xenstore', required: false,
1400                    method: 'pkg-config', kwargs: static_kwargs,
1401                    disabler: true),
1402         dependency('xenforeignmemory', required: false,
1403                    method: 'pkg-config', kwargs: static_kwargs,
1404                    disabler: true),
1405         dependency('xengnttab', required: false,
1406                    method: 'pkg-config', kwargs: static_kwargs,
1407                    disabler: true),
1408         dependency('xenevtchn', required: false,
1409                    method: 'pkg-config', kwargs: static_kwargs,
1410                    disabler: true),
1411         dependency('xendevicemodel', required: false,
1412                    method: 'pkg-config', kwargs: static_kwargs,
1413                    disabler: true),
1414         # optional, no "disabler: true"
1415         dependency('xentoolcore', required: false,
1416                    method: 'pkg-config', kwargs: static_kwargs)])
1417     if xen_pc.found()
1418       xen = xen_pc
1419     endif
1420   endif
1421   if not xen.found()
1422     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' ]
1423     xen_libs = {
1424       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1425       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1426       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1427       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1428       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1429       '4.6.0': [ 'xenstore', 'xenctrl' ],
1430       '4.5.0': [ 'xenstore', 'xenctrl' ],
1431       '4.2.0': [ 'xenstore', 'xenctrl' ],
1432     }
1433     xen_deps = {}
1434     foreach ver: xen_tests
1435       # cache the various library tests to avoid polluting the logs
1436       xen_test_deps = []
1437       foreach l: xen_libs[ver]
1438         if l not in xen_deps
1439           xen_deps += { l: cc.find_library(l, required: false) }
1440         endif
1441         xen_test_deps += xen_deps[l]
1442       endforeach
1443
1444       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1445       xen_version = ver.split('.')
1446       xen_ctrl_version = xen_version[0] + \
1447         ('0' + xen_version[1]).substring(-2) + \
1448         ('0' + xen_version[2]).substring(-2)
1449       if cc.links(files('scripts/xen-detect.c'),
1450                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1451                   dependencies: xen_test_deps)
1452         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1453         break
1454       endif
1455     endforeach
1456   endif
1457   if xen.found()
1458     accelerators += 'CONFIG_XEN'
1459   elif get_option('xen').enabled()
1460     error('could not compile and link Xen test program')
1461   endif
1462 endif
1463 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1464   .require(xen.found(),
1465            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1466   .require(targetos == 'linux',
1467            error_message: 'Xen PCI passthrough not available on this platform') \
1468   .allowed()
1469
1470
1471 cacard = not_found
1472 if not get_option('smartcard').auto() or have_system
1473   cacard = dependency('libcacard', required: get_option('smartcard'),
1474                       version: '>=2.5.1', method: 'pkg-config',
1475                       kwargs: static_kwargs)
1476 endif
1477 u2f = not_found
1478 if have_system
1479   u2f = dependency('u2f-emu', required: get_option('u2f'),
1480                    method: 'pkg-config',
1481                    kwargs: static_kwargs)
1482 endif
1483 canokey = not_found
1484 if have_system
1485   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1486                    method: 'pkg-config',
1487                    kwargs: static_kwargs)
1488 endif
1489 usbredir = not_found
1490 if not get_option('usb_redir').auto() or have_system
1491   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1492                         version: '>=0.6', method: 'pkg-config',
1493                         kwargs: static_kwargs)
1494 endif
1495 libusb = not_found
1496 if not get_option('libusb').auto() or have_system
1497   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1498                       version: '>=1.0.13', method: 'pkg-config',
1499                       kwargs: static_kwargs)
1500 endif
1501
1502 libpmem = not_found
1503 if not get_option('libpmem').auto() or have_system
1504   libpmem = dependency('libpmem', required: get_option('libpmem'),
1505                        method: 'pkg-config', kwargs: static_kwargs)
1506 endif
1507 libdaxctl = not_found
1508 if not get_option('libdaxctl').auto() or have_system
1509   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1510                          version: '>=57', method: 'pkg-config',
1511                          kwargs: static_kwargs)
1512 endif
1513 tasn1 = not_found
1514 if gnutls.found()
1515   tasn1 = dependency('libtasn1',
1516                      method: 'pkg-config',
1517                      kwargs: static_kwargs)
1518 endif
1519 keyutils = dependency('libkeyutils', required: false,
1520                       method: 'pkg-config', kwargs: static_kwargs)
1521
1522 has_gettid = cc.has_function('gettid')
1523
1524 # libselinux
1525 selinux = dependency('libselinux',
1526                      required: get_option('selinux'),
1527                      method: 'pkg-config', kwargs: static_kwargs)
1528
1529 # Malloc tests
1530
1531 malloc = []
1532 if get_option('malloc') == 'system'
1533   has_malloc_trim = \
1534     get_option('malloc_trim').allowed() and \
1535     cc.links('''#include <malloc.h>
1536                 int main(void) { malloc_trim(0); return 0; }''')
1537 else
1538   has_malloc_trim = false
1539   malloc = cc.find_library(get_option('malloc'), required: true)
1540 endif
1541 if not has_malloc_trim and get_option('malloc_trim').enabled()
1542   if get_option('malloc') == 'system'
1543     error('malloc_trim not available on this platform.')
1544   else
1545     error('malloc_trim not available with non-libc memory allocator')
1546   endif
1547 endif
1548
1549 # Check whether the glibc provides statx()
1550
1551 gnu_source_prefix = '''
1552   #ifndef _GNU_SOURCE
1553   #define _GNU_SOURCE
1554   #endif
1555 '''
1556 statx_test = gnu_source_prefix + '''
1557   #include <sys/stat.h>
1558   int main(void) {
1559     struct statx statxbuf;
1560     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1561     return 0;
1562   }'''
1563
1564 has_statx = cc.links(statx_test)
1565
1566 # Check whether statx() provides mount ID information
1567
1568 statx_mnt_id_test = gnu_source_prefix + '''
1569   #include <sys/stat.h>
1570   int main(void) {
1571     struct statx statxbuf;
1572     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1573     return statxbuf.stx_mnt_id;
1574   }'''
1575
1576 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1577
1578 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1579   .require(targetos == 'linux',
1580            error_message: 'vhost_user_blk_server requires linux') \
1581   .require(have_vhost_user,
1582            error_message: 'vhost_user_blk_server requires vhost-user support') \
1583   .disable_auto_if(not have_tools and not have_system) \
1584   .allowed()
1585
1586 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1587   error('Cannot enable fuse-lseek while fuse is disabled')
1588 endif
1589
1590 fuse = dependency('fuse3', required: get_option('fuse'),
1591                   version: '>=3.1', method: 'pkg-config',
1592                   kwargs: static_kwargs)
1593
1594 fuse_lseek = not_found
1595 if get_option('fuse_lseek').allowed()
1596   if fuse.version().version_compare('>=3.8')
1597     # Dummy dependency
1598     fuse_lseek = declare_dependency()
1599   elif get_option('fuse_lseek').enabled()
1600     if fuse.found()
1601       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1602     else
1603       error('fuse-lseek requires libfuse, which was not found')
1604     endif
1605   endif
1606 endif
1607
1608 have_libvduse = (targetos == 'linux')
1609 if get_option('libvduse').enabled()
1610     if targetos != 'linux'
1611         error('libvduse requires linux')
1612     endif
1613 elif get_option('libvduse').disabled()
1614     have_libvduse = false
1615 endif
1616
1617 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1618 if get_option('vduse_blk_export').enabled()
1619     if targetos != 'linux'
1620         error('vduse_blk_export requires linux')
1621     elif not have_libvduse
1622         error('vduse_blk_export requires libvduse support')
1623     endif
1624 elif get_option('vduse_blk_export').disabled()
1625     have_vduse_blk_export = false
1626 endif
1627
1628 # libbpf
1629 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1630 if libbpf.found() and not cc.links('''
1631    #include <bpf/libbpf.h>
1632    int main(void)
1633    {
1634      bpf_object__destroy_skeleton(NULL);
1635      return 0;
1636    }''', dependencies: libbpf)
1637   libbpf = not_found
1638   if get_option('bpf').enabled()
1639     error('libbpf skeleton test failed')
1640   else
1641     warning('libbpf skeleton test failed, disabling')
1642   endif
1643 endif
1644
1645 #################
1646 # config-host.h #
1647 #################
1648
1649 audio_drivers_selected = []
1650 if have_system
1651   audio_drivers_available = {
1652     'alsa': alsa.found(),
1653     'coreaudio': coreaudio.found(),
1654     'dsound': dsound.found(),
1655     'jack': jack.found(),
1656     'oss': oss.found(),
1657     'pa': pulse.found(),
1658     'sdl': sdl.found(),
1659     'sndio': sndio.found(),
1660   }
1661   foreach k, v: audio_drivers_available
1662     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1663   endforeach
1664
1665   # Default to native drivers first, OSS second, SDL third
1666   audio_drivers_priority = \
1667     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1668     (targetos == 'linux' ? [] : [ 'sdl' ])
1669   audio_drivers_default = []
1670   foreach k: audio_drivers_priority
1671     if audio_drivers_available[k]
1672       audio_drivers_default += k
1673     endif
1674   endforeach
1675
1676   foreach k: get_option('audio_drv_list')
1677     if k == 'default'
1678       audio_drivers_selected += audio_drivers_default
1679     elif not audio_drivers_available[k]
1680       error('Audio driver "@0@" not available.'.format(k))
1681     else
1682       audio_drivers_selected += k
1683     endif
1684   endforeach
1685 endif
1686 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1687                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1688
1689 if get_option('cfi')
1690   cfi_flags=[]
1691   # Check for dependency on LTO
1692   if not get_option('b_lto')
1693     error('Selected Control-Flow Integrity but LTO is disabled')
1694   endif
1695   if config_host.has_key('CONFIG_MODULES')
1696     error('Selected Control-Flow Integrity is not compatible with modules')
1697   endif
1698   # Check for cfi flags. CFI requires LTO so we can't use
1699   # get_supported_arguments, but need a more complex "compiles" which allows
1700   # custom arguments
1701   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1702                  args: ['-flto', '-fsanitize=cfi-icall'] )
1703     cfi_flags += '-fsanitize=cfi-icall'
1704   else
1705     error('-fsanitize=cfi-icall is not supported by the compiler')
1706   endif
1707   if cc.compiles('int main () { return 0; }',
1708                  name: '-fsanitize-cfi-icall-generalize-pointers',
1709                  args: ['-flto', '-fsanitize=cfi-icall',
1710                         '-fsanitize-cfi-icall-generalize-pointers'] )
1711     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1712   else
1713     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1714   endif
1715   if get_option('cfi_debug')
1716     if cc.compiles('int main () { return 0; }',
1717                    name: '-fno-sanitize-trap=cfi-icall',
1718                    args: ['-flto', '-fsanitize=cfi-icall',
1719                           '-fno-sanitize-trap=cfi-icall'] )
1720       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1721     else
1722       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1723     endif
1724   endif
1725   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1726   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1727 endif
1728
1729 have_host_block_device = (targetos != 'darwin' or
1730     cc.has_header('IOKit/storage/IOMedia.h'))
1731
1732 dbus_display = get_option('dbus_display') \
1733   .require(gio.version().version_compare('>=2.64'),
1734            error_message: '-display dbus requires glib>=2.64') \
1735   .require(gdbus_codegen.found(),
1736            error_message: gdbus_codegen_error.format('-display dbus')) \
1737   .require(opengl.found() and gbm.found(),
1738            error_message: '-display dbus requires epoxy/egl and gbm') \
1739   .allowed()
1740
1741 have_virtfs = get_option('virtfs') \
1742     .require(targetos == 'linux' or targetos == 'darwin',
1743              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1744     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1745              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1746     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1747              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1748     .disable_auto_if(not have_tools and not have_system) \
1749     .allowed()
1750
1751 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1752
1753 if get_option('block_drv_ro_whitelist') == ''
1754   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1755 else
1756   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1757         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1758 endif
1759 if get_option('block_drv_rw_whitelist') == ''
1760   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1761 else
1762   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1763         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1764 endif
1765
1766 foreach k : get_option('trace_backends')
1767   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1768 endforeach
1769 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1770 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1771 if iasl.found()
1772   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1773 endif
1774 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1775 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1776 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1777 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1778 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1779
1780 qemu_firmwarepath = ''
1781 foreach k : get_option('qemu_firmwarepath')
1782   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1783 endforeach
1784 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1785
1786 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1787 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1788 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1789 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1790 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1791 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1792
1793 if config_host.has_key('CONFIG_MODULES')
1794   config_host_data.set('CONFIG_STAMP', run_command(
1795       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1796       meson.project_version(), get_option('pkgversion'), '--',
1797       meson.current_source_dir() / 'configure',
1798       capture: true, check: true).stdout().strip())
1799 endif
1800
1801 have_slirp_smbd = get_option('slirp_smbd') \
1802   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1803   .allowed()
1804 if have_slirp_smbd
1805   smbd_path = get_option('smbd')
1806   if smbd_path == ''
1807     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1808   endif
1809   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1810 endif
1811
1812 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1813
1814 if get_option('module_upgrades') and not enable_modules
1815   error('Cannot enable module-upgrades as modules are not enabled')
1816 endif
1817 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1818
1819 config_host_data.set('CONFIG_ATTR', libattr.found())
1820 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1821 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1822 config_host_data.set('CONFIG_COCOA', cocoa.found())
1823 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1824 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1825 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1826 config_host_data.set('CONFIG_LZO', lzo.found())
1827 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1828 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1829 config_host_data.set('CONFIG_BLKIO', blkio.found())
1830 config_host_data.set('CONFIG_CURL', curl.found())
1831 config_host_data.set('CONFIG_CURSES', curses.found())
1832 config_host_data.set('CONFIG_GBM', gbm.found())
1833 config_host_data.set('CONFIG_GIO', gio.found())
1834 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1835 if glusterfs.found()
1836   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1837   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1838   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1839   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1840   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1841   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1842 endif
1843 config_host_data.set('CONFIG_GTK', gtk.found())
1844 config_host_data.set('CONFIG_VTE', vte.found())
1845 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1846 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1847 config_host_data.set('CONFIG_EBPF', libbpf.found())
1848 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1849 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1850 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1851 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1852 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1853 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1854 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1855 config_host_data.set('CONFIG_NUMA', numa.found())
1856 config_host_data.set('CONFIG_OPENGL', opengl.found())
1857 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1858 config_host_data.set('CONFIG_RBD', rbd.found())
1859 config_host_data.set('CONFIG_RDMA', rdma.found())
1860 config_host_data.set('CONFIG_SDL', sdl.found())
1861 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1862 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1863 if seccomp.found()
1864   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1865 endif
1866 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1867 config_host_data.set('CONFIG_TPM', have_tpm)
1868 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1869 config_host_data.set('CONFIG_VDE', vde.found())
1870 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1871 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1872 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1873 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1874 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1875 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1876 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1877 config_host_data.set('CONFIG_VMNET', vmnet.found())
1878 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1879 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1880 config_host_data.set('CONFIG_PNG', png.found())
1881 config_host_data.set('CONFIG_VNC', vnc.found())
1882 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1883 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1884 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1885 config_host_data.set('CONFIG_VTE', vte.found())
1886 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1887 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1888 config_host_data.set('CONFIG_GETTID', has_gettid)
1889 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1890 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1891 config_host_data.set('CONFIG_TASN1', tasn1.found())
1892 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1893 config_host_data.set('CONFIG_NETTLE', nettle.found())
1894 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1895 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1896 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1897 config_host_data.set('CONFIG_STATX', has_statx)
1898 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1899 config_host_data.set('CONFIG_ZSTD', zstd.found())
1900 config_host_data.set('CONFIG_FUSE', fuse.found())
1901 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1902 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1903 if spice_protocol.found()
1904 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1905 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1906 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1907 endif
1908 config_host_data.set('CONFIG_SPICE', spice.found())
1909 config_host_data.set('CONFIG_X11', x11.found())
1910 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1911 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1912 config_host_data.set('CONFIG_SELINUX', selinux.found())
1913 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1914 if xen.found()
1915   # protect from xen.version() having less than three components
1916   xen_version = xen.version().split('.') + ['0', '0']
1917   xen_ctrl_version = xen_version[0] + \
1918     ('0' + xen_version[1]).substring(-2) + \
1919     ('0' + xen_version[2]).substring(-2)
1920   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1921 endif
1922 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1923 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1924 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1925 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1926
1927 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1928 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1929
1930 have_coroutine_pool = get_option('coroutine_pool')
1931 if get_option('debug_stack_usage') and have_coroutine_pool
1932   message('Disabling coroutine pool to measure stack usage')
1933   have_coroutine_pool = false
1934 endif
1935 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1936 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1937 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1938 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1939 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1940 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1941 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1942
1943 # has_header
1944 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1945 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1946 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1947 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1948 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1949 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1950 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1951 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1952 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1953 if targetos == 'windows'
1954   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1955 endif
1956
1957 # has_function
1958 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1959 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1960 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1961 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1962 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1963 # Note that we need to specify prefix: here to avoid incorrectly
1964 # thinking that Windows has posix_memalign()
1965 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1966 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1967 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1968 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1969 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1970 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1971 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1972 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1973 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1974 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1975 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1976 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1977 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1978 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1979 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1980 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1981 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1982 if rbd.found()
1983   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1984                        cc.has_function('rbd_namespace_exists',
1985                                        dependencies: rbd,
1986                                        prefix: '#include <rbd/librbd.h>'))
1987 endif
1988 if rdma.found()
1989   config_host_data.set('HAVE_IBV_ADVISE_MR',
1990                        cc.has_function('ibv_advise_mr',
1991                                        dependencies: rdma,
1992                                        prefix: '#include <infiniband/verbs.h>'))
1993 endif
1994
1995 # has_header_symbol
1996 config_host_data.set('CONFIG_BYTESWAP_H',
1997                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1998 config_host_data.set('CONFIG_EPOLL_CREATE1',
1999                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2000 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2001                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2002                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2003 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2004                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2005 config_host_data.set('CONFIG_FIEMAP',
2006                      cc.has_header('linux/fiemap.h') and
2007                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2008 config_host_data.set('CONFIG_GETRANDOM',
2009                      cc.has_function('getrandom') and
2010                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2011 config_host_data.set('CONFIG_INOTIFY',
2012                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2013 config_host_data.set('CONFIG_INOTIFY1',
2014                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2015 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2016                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2017                                           prefix: '''#include <sys/endian.h>
2018                                                      #include <sys/types.h>'''))
2019 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2020                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2021 config_host_data.set('CONFIG_RTNETLINK',
2022                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2023 config_host_data.set('CONFIG_SYSMACROS',
2024                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2025 config_host_data.set('HAVE_OPTRESET',
2026                      cc.has_header_symbol('getopt.h', 'optreset'))
2027 config_host_data.set('HAVE_IPPROTO_MPTCP',
2028                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2029 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2030                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2031
2032 # has_member
2033 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2034                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2035                                    prefix: '#include <signal.h>'))
2036 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2037                      cc.has_member('struct stat', 'st_atim',
2038                                    prefix: '#include <sys/stat.h>'))
2039
2040 # has_type
2041 config_host_data.set('CONFIG_IOVEC',
2042                      cc.has_type('struct iovec',
2043                                  prefix: '#include <sys/uio.h>'))
2044 config_host_data.set('HAVE_UTMPX',
2045                      cc.has_type('struct utmpx',
2046                                  prefix: '#include <utmpx.h>'))
2047
2048 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2049   #include <sys/eventfd.h>
2050   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2051 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2052   #include <unistd.h>
2053   int main(void) {
2054   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2055   return fdatasync(0);
2056   #else
2057   #error Not supported
2058   #endif
2059   }'''))
2060
2061 has_madvise = cc.links(gnu_source_prefix + '''
2062   #include <sys/types.h>
2063   #include <sys/mman.h>
2064   #include <stddef.h>
2065   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2066 missing_madvise_proto = false
2067 if has_madvise
2068   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2069   # but forget to prototype it. In this case, has_madvise will be true (the
2070   # test program links despite a compile warning). To detect the
2071   # missing-prototype case, we try again with a definitely-bogus prototype.
2072   # This will only compile if the system headers don't provide the prototype;
2073   # otherwise the conflicting prototypes will cause a compiler error.
2074   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2075     #include <sys/types.h>
2076     #include <sys/mman.h>
2077     #include <stddef.h>
2078     extern int madvise(int);
2079     int main(void) { return madvise(0); }''')
2080 endif
2081 config_host_data.set('CONFIG_MADVISE', has_madvise)
2082 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2083
2084 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2085   #include <sys/mman.h>
2086   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2087 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2088   #include <fcntl.h>
2089   #if !defined(AT_EMPTY_PATH)
2090   # error missing definition
2091   #else
2092   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2093   #endif'''))
2094 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2095   #include <sys/mman.h>
2096   #include <stddef.h>
2097   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2098
2099 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2100   #include <pthread.h>
2101
2102   static void *f(void *p) { return NULL; }
2103   int main(void)
2104   {
2105     pthread_t thread;
2106     pthread_create(&thread, 0, f, 0);
2107     pthread_setname_np(thread, "QEMU");
2108     return 0;
2109   }''', dependencies: threads))
2110 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2111   #include <pthread.h>
2112
2113   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2114   int main(void)
2115   {
2116     pthread_t thread;
2117     pthread_create(&thread, 0, f, 0);
2118     return 0;
2119   }''', dependencies: threads))
2120 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2121   #include <pthread.h>
2122   #include <time.h>
2123
2124   int main(void)
2125   {
2126     pthread_condattr_t attr
2127     pthread_condattr_init(&attr);
2128     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2129     return 0;
2130   }''', dependencies: threads))
2131 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2132   #include <pthread.h>
2133
2134   static void *f(void *p) { return NULL; }
2135   int main(void)
2136   {
2137     int setsize = CPU_ALLOC_SIZE(64);
2138     pthread_t thread;
2139     cpu_set_t *cpuset;
2140     pthread_create(&thread, 0, f, 0);
2141     cpuset = CPU_ALLOC(64);
2142     CPU_ZERO_S(setsize, cpuset);
2143     pthread_setaffinity_np(thread, setsize, cpuset);
2144     pthread_getaffinity_np(thread, setsize, cpuset);
2145     CPU_FREE(cpuset);
2146     return 0;
2147   }''', dependencies: threads))
2148 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2149   #include <sys/signalfd.h>
2150   #include <stddef.h>
2151   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2152 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2153   #include <unistd.h>
2154   #include <fcntl.h>
2155   #include <limits.h>
2156
2157   int main(void)
2158   {
2159     int len, fd = 0;
2160     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2161     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2162     return 0;
2163   }'''))
2164
2165 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2166   #include <sys/mman.h>
2167   int main(int argc, char *argv[]) {
2168     return mlockall(MCL_FUTURE);
2169   }'''))
2170
2171 have_l2tpv3 = false
2172 if get_option('l2tpv3').allowed() and have_system
2173   have_l2tpv3 = cc.has_type('struct mmsghdr',
2174     prefix: gnu_source_prefix + '''
2175       #include <sys/socket.h>
2176       #include <linux/ip.h>''')
2177 endif
2178 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2179
2180 have_netmap = false
2181 if get_option('netmap').allowed() and have_system
2182   have_netmap = cc.compiles('''
2183     #include <inttypes.h>
2184     #include <net/if.h>
2185     #include <net/netmap.h>
2186     #include <net/netmap_user.h>
2187     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2188     #error
2189     #endif
2190     int main(void) { return 0; }''')
2191   if not have_netmap and get_option('netmap').enabled()
2192     error('Netmap headers not available')
2193   endif
2194 endif
2195 config_host_data.set('CONFIG_NETMAP', have_netmap)
2196
2197 # Work around a system header bug with some kernel/XFS header
2198 # versions where they both try to define 'struct fsxattr':
2199 # xfs headers will not try to redefine structs from linux headers
2200 # if this macro is set.
2201 config_host_data.set('HAVE_FSXATTR', cc.links('''
2202   #include <linux/fs.h>
2203   struct fsxattr foo;
2204   int main(void) {
2205     return 0;
2206   }'''))
2207
2208 # Some versions of Mac OS X incorrectly define SIZE_MAX
2209 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2210     #include <stdint.h>
2211     #include <stdio.h>
2212     int main(int argc, char *argv[]) {
2213         return printf("%zu", SIZE_MAX);
2214     }''', args: ['-Werror']))
2215
2216 atomic_test = '''
2217   #include <stdint.h>
2218   int main(void)
2219   {
2220     @0@ x = 0, y = 0;
2221     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2222     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2223     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2224     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2225     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2226     return 0;
2227   }'''
2228
2229 # See if 64-bit atomic operations are supported.
2230 # Note that without __atomic builtins, we can only
2231 # assume atomic loads/stores max at pointer size.
2232 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2233
2234 has_int128 = cc.links('''
2235   __int128_t a;
2236   __uint128_t b;
2237   int main (void) {
2238     a = a + b;
2239     b = a * b;
2240     a = a * a;
2241     return 0;
2242   }''')
2243
2244 config_host_data.set('CONFIG_INT128', has_int128)
2245
2246 if has_int128
2247   # "do we have 128-bit atomics which are handled inline and specifically not
2248   # via libatomic". The reason we can't use libatomic is documented in the
2249   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2250   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2251
2252   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2253
2254   if not has_atomic128
2255     has_cmpxchg128 = cc.links('''
2256       int main(void)
2257       {
2258         unsigned __int128 x = 0, y = 0;
2259         __sync_val_compare_and_swap_16(&x, y, x);
2260         return 0;
2261       }
2262     ''')
2263
2264     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2265   endif
2266 endif
2267
2268 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2269   #include <sys/auxv.h>
2270   int main(void) {
2271     return getauxval(AT_HWCAP) == 0;
2272   }'''))
2273
2274 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2275   #include <linux/usbdevice_fs.h>
2276
2277   #ifndef USBDEVFS_GET_CAPABILITIES
2278   #error "USBDEVFS_GET_CAPABILITIES undefined"
2279   #endif
2280
2281   #ifndef USBDEVFS_DISCONNECT_CLAIM
2282   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2283   #endif
2284
2285   int main(void) { return 0; }'''))
2286
2287 have_keyring = get_option('keyring') \
2288   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2289   .require(cc.compiles('''
2290     #include <errno.h>
2291     #include <asm/unistd.h>
2292     #include <linux/keyctl.h>
2293     #include <sys/syscall.h>
2294     #include <unistd.h>
2295     int main(void) {
2296         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2297     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2298 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2299
2300 have_cpuid_h = cc.links('''
2301   #include <cpuid.h>
2302   int main(void) {
2303     unsigned a, b, c, d;
2304     unsigned max = __get_cpuid_max(0, 0);
2305
2306     if (max >= 1) {
2307         __cpuid(1, a, b, c, d);
2308     }
2309
2310     if (max >= 7) {
2311         __cpuid_count(7, 0, a, b, c, d);
2312     }
2313
2314     return 0;
2315   }''')
2316 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2317
2318 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2319   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2320   .require(cc.links('''
2321     #pragma GCC push_options
2322     #pragma GCC target("avx2")
2323     #include <cpuid.h>
2324     #include <immintrin.h>
2325     static int bar(void *a) {
2326       __m256i x = *(__m256i *)a;
2327       return _mm256_testz_si256(x, x);
2328     }
2329     int main(int argc, char *argv[]) { return bar(argv[0]); }
2330   '''), error_message: 'AVX2 not available').allowed())
2331
2332 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2333   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2334   .require(cc.links('''
2335     #pragma GCC push_options
2336     #pragma GCC target("avx512f")
2337     #include <cpuid.h>
2338     #include <immintrin.h>
2339     static int bar(void *a) {
2340       __m512i x = *(__m512i *)a;
2341       return _mm512_test_epi64_mask(x, x);
2342     }
2343     int main(int argc, char *argv[]) { return bar(argv[0]); }
2344   '''), error_message: 'AVX512F not available').allowed())
2345
2346 have_pvrdma = get_option('pvrdma') \
2347   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2348   .require(cc.compiles(gnu_source_prefix + '''
2349     #include <sys/mman.h>
2350     int main(void)
2351     {
2352       char buf = 0;
2353       void *addr = &buf;
2354       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2355
2356       return 0;
2357     }'''), error_message: 'PVRDMA requires mremap').allowed()
2358
2359 if have_pvrdma
2360   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2361     #include <infiniband/verbs.h>
2362     int main(void)
2363     {
2364       struct ibv_mr *mr;
2365       struct ibv_pd *pd = NULL;
2366       size_t length = 10;
2367       uint64_t iova = 0;
2368       int access = 0;
2369       void *addr = NULL;
2370
2371       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2372       ibv_dereg_mr(mr);
2373       return 0;
2374     }'''))
2375 endif
2376
2377 if get_option('membarrier').disabled()
2378   have_membarrier = false
2379 elif targetos == 'windows'
2380   have_membarrier = true
2381 elif targetos == 'linux'
2382   have_membarrier = cc.compiles('''
2383     #include <linux/membarrier.h>
2384     #include <sys/syscall.h>
2385     #include <unistd.h>
2386     #include <stdlib.h>
2387     int main(void) {
2388         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2389         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2390         exit(0);
2391     }''')
2392 endif
2393 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2394   .require(have_membarrier, error_message: 'membarrier system call not available') \
2395   .allowed())
2396
2397 have_afalg = get_option('crypto_afalg') \
2398   .require(cc.compiles(gnu_source_prefix + '''
2399     #include <errno.h>
2400     #include <sys/types.h>
2401     #include <sys/socket.h>
2402     #include <linux/if_alg.h>
2403     int main(void) {
2404       int sock;
2405       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2406       return sock;
2407     }
2408   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2409 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2410
2411 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2412   'linux/vm_sockets.h', 'AF_VSOCK',
2413   prefix: '#include <sys/socket.h>',
2414 ))
2415
2416 have_vss = false
2417 have_vss_sdk = false # old xp/2003 SDK
2418 if targetos == 'windows' and link_language == 'cpp'
2419   have_vss = cxx.compiles('''
2420     #define __MIDL_user_allocate_free_DEFINED__
2421     #include <vss.h>
2422     int main(void) { return VSS_CTX_BACKUP; }''')
2423   have_vss_sdk = cxx.has_header('vscoordint.h')
2424 endif
2425 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2426
2427 foreach k, v: config_host
2428   if k.startswith('CONFIG_')
2429     config_host_data.set(k, v == 'y' ? 1 : v)
2430   endif
2431 endforeach
2432
2433 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2434 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2435 if targetos == 'windows'
2436   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2437     #include <stdio.h>
2438     int main(void) {
2439       _lock_file(NULL);
2440       _unlock_file(NULL);
2441       return 0;
2442     }''', name: '_lock_file and _unlock_file'))
2443 endif
2444
2445 ########################
2446 # Target configuration #
2447 ########################
2448
2449 minikconf = find_program('scripts/minikconf.py')
2450 config_all = {}
2451 config_all_devices = {}
2452 config_all_disas = {}
2453 config_devices_mak_list = []
2454 config_devices_h = {}
2455 config_target_h = {}
2456 config_target_mak = {}
2457
2458 disassemblers = {
2459   'alpha' : ['CONFIG_ALPHA_DIS'],
2460   'avr' : ['CONFIG_AVR_DIS'],
2461   'cris' : ['CONFIG_CRIS_DIS'],
2462   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2463   'hppa' : ['CONFIG_HPPA_DIS'],
2464   'i386' : ['CONFIG_I386_DIS'],
2465   'x86_64' : ['CONFIG_I386_DIS'],
2466   'm68k' : ['CONFIG_M68K_DIS'],
2467   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2468   'mips' : ['CONFIG_MIPS_DIS'],
2469   'nios2' : ['CONFIG_NIOS2_DIS'],
2470   'or1k' : ['CONFIG_OPENRISC_DIS'],
2471   'ppc' : ['CONFIG_PPC_DIS'],
2472   'riscv' : ['CONFIG_RISCV_DIS'],
2473   'rx' : ['CONFIG_RX_DIS'],
2474   's390' : ['CONFIG_S390_DIS'],
2475   'sh4' : ['CONFIG_SH4_DIS'],
2476   'sparc' : ['CONFIG_SPARC_DIS'],
2477   'xtensa' : ['CONFIG_XTENSA_DIS'],
2478   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2479 }
2480 if link_language == 'cpp'
2481   disassemblers += {
2482     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2483   }
2484 endif
2485
2486 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2487 host_kconfig = \
2488   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2489   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2490   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2491   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2492   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2493   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2494   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2495   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2496   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2497   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2498   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2499   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2500   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2501   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2502
2503 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2504
2505 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2506 actual_target_dirs = []
2507 fdt_required = []
2508 foreach target : target_dirs
2509   config_target = { 'TARGET_NAME': target.split('-')[0] }
2510   if target.endswith('linux-user')
2511     if targetos != 'linux'
2512       if default_targets
2513         continue
2514       endif
2515       error('Target @0@ is only available on a Linux host'.format(target))
2516     endif
2517     config_target += { 'CONFIG_LINUX_USER': 'y' }
2518   elif target.endswith('bsd-user')
2519     if 'CONFIG_BSD' not in config_host
2520       if default_targets
2521         continue
2522       endif
2523       error('Target @0@ is only available on a BSD host'.format(target))
2524     endif
2525     config_target += { 'CONFIG_BSD_USER': 'y' }
2526   elif target.endswith('softmmu')
2527     config_target += { 'CONFIG_SOFTMMU': 'y' }
2528   endif
2529   if target.endswith('-user')
2530     config_target += {
2531       'CONFIG_USER_ONLY': 'y',
2532       'CONFIG_QEMU_INTERP_PREFIX':
2533         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2534     }
2535   endif
2536
2537   accel_kconfig = []
2538   foreach sym: accelerators
2539     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2540       config_target += { sym: 'y' }
2541       config_all += { sym: 'y' }
2542       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2543         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2544       endif
2545       if target in modular_tcg
2546         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2547       else
2548         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2549       endif
2550       accel_kconfig += [ sym + '=y' ]
2551     endif
2552   endforeach
2553   if accel_kconfig.length() == 0
2554     if default_targets
2555       continue
2556     endif
2557     error('No accelerator available for target @0@'.format(target))
2558   endif
2559
2560   actual_target_dirs += target
2561   config_target += keyval.load('configs/targets' / target + '.mak')
2562   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2563
2564   if 'TARGET_NEED_FDT' in config_target
2565     fdt_required += target
2566   endif
2567
2568   # Add default keys
2569   if 'TARGET_BASE_ARCH' not in config_target
2570     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2571   endif
2572   if 'TARGET_ABI_DIR' not in config_target
2573     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2574   endif
2575   if 'TARGET_BIG_ENDIAN' not in config_target
2576     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2577   endif
2578
2579   foreach k, v: disassemblers
2580     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2581       foreach sym: v
2582         config_target += { sym: 'y' }
2583         config_all_disas += { sym: 'y' }
2584       endforeach
2585     endif
2586   endforeach
2587
2588   config_target_data = configuration_data()
2589   foreach k, v: config_target
2590     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2591       # do nothing
2592     elif ignored.contains(k)
2593       # do nothing
2594     elif k == 'TARGET_BASE_ARCH'
2595       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2596       # not used to select files from sourcesets.
2597       config_target_data.set('TARGET_' + v.to_upper(), 1)
2598     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2599       config_target_data.set_quoted(k, v)
2600     elif v == 'y'
2601       config_target_data.set(k, 1)
2602     elif v == 'n'
2603       config_target_data.set(k, 0)
2604     else
2605       config_target_data.set(k, v)
2606     endif
2607   endforeach
2608   config_target_data.set('QEMU_ARCH',
2609                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2610   config_target_h += {target: configure_file(output: target + '-config-target.h',
2611                                                configuration: config_target_data)}
2612
2613   if target.endswith('-softmmu')
2614     config_input = meson.get_external_property(target, 'default')
2615     config_devices_mak = target + '-config-devices.mak'
2616     config_devices_mak = configure_file(
2617       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2618       output: config_devices_mak,
2619       depfile: config_devices_mak + '.d',
2620       capture: true,
2621       command: [minikconf,
2622                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2623                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2624                 host_kconfig, accel_kconfig,
2625                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2626
2627     config_devices_data = configuration_data()
2628     config_devices = keyval.load(config_devices_mak)
2629     foreach k, v: config_devices
2630       config_devices_data.set(k, 1)
2631     endforeach
2632     config_devices_mak_list += config_devices_mak
2633     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2634                                                 configuration: config_devices_data)}
2635     config_target += config_devices
2636     config_all_devices += config_devices
2637   endif
2638   config_target_mak += {target: config_target}
2639 endforeach
2640 target_dirs = actual_target_dirs
2641
2642 # This configuration is used to build files that are shared by
2643 # multiple binaries, and then extracted out of the "common"
2644 # static_library target.
2645 #
2646 # We do not use all_sources()/all_dependencies(), because it would
2647 # build literally all source files, including devices only used by
2648 # targets that are not built for this compilation.  The CONFIG_ALL
2649 # pseudo symbol replaces it.
2650
2651 config_all += config_all_devices
2652 config_all += config_host
2653 config_all += config_all_disas
2654 config_all += {
2655   'CONFIG_XEN': xen.found(),
2656   'CONFIG_SOFTMMU': have_system,
2657   'CONFIG_USER_ONLY': have_user,
2658   'CONFIG_ALL': true,
2659 }
2660
2661 target_configs_h = []
2662 foreach target: target_dirs
2663   target_configs_h += config_target_h[target]
2664   target_configs_h += config_devices_h.get(target, [])
2665 endforeach
2666 genh += custom_target('config-poison.h',
2667                       input: [target_configs_h],
2668                       output: 'config-poison.h',
2669                       capture: true,
2670                       command: [find_program('scripts/make-config-poison.sh'),
2671                                 target_configs_h])
2672
2673 ##############
2674 # Submodules #
2675 ##############
2676
2677 capstone = not_found
2678 if not get_option('capstone').auto() or have_system or have_user
2679   capstone = dependency('capstone', version: '>=3.0.5',
2680                         kwargs: static_kwargs, method: 'pkg-config',
2681                         required: get_option('capstone'))
2682
2683   # Some versions of capstone have broken pkg-config file
2684   # that reports a wrong -I path, causing the #include to
2685   # fail later. If the system has such a broken version
2686   # do not use it.
2687   if capstone.found() and not cc.compiles('#include <capstone.h>',
2688                                           dependencies: [capstone])
2689     capstone = not_found
2690     if get_option('capstone').enabled()
2691       error('capstone requested, but it does not appear to work')
2692     endif
2693   endif
2694 endif
2695
2696 libvfio_user_dep = not_found
2697 if have_system and vfio_user_server_allowed
2698   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2699
2700   if not have_internal
2701     error('libvfio-user source not found - please pull git submodule')
2702   endif
2703
2704   libvfio_user_proj = subproject('libvfio-user')
2705
2706   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2707
2708   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2709 endif
2710
2711 fdt = not_found
2712 if have_system
2713   fdt_opt = get_option('fdt')
2714   if fdt_opt in ['enabled', 'auto', 'system']
2715     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2716     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2717                           required: fdt_opt == 'system' or
2718                                     fdt_opt == 'enabled' and not have_internal)
2719     if fdt.found() and cc.links('''
2720        #include <libfdt.h>
2721        #include <libfdt_env.h>
2722        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2723          dependencies: fdt)
2724       fdt_opt = 'system'
2725     elif fdt_opt == 'system'
2726        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2727     elif have_internal
2728       fdt_opt = 'internal'
2729     else
2730       fdt_opt = 'disabled'
2731       fdt = not_found
2732     endif
2733   endif
2734   if fdt_opt == 'internal'
2735     fdt_files = files(
2736       'dtc/libfdt/fdt.c',
2737       'dtc/libfdt/fdt_ro.c',
2738       'dtc/libfdt/fdt_wip.c',
2739       'dtc/libfdt/fdt_sw.c',
2740       'dtc/libfdt/fdt_rw.c',
2741       'dtc/libfdt/fdt_strerror.c',
2742       'dtc/libfdt/fdt_empty_tree.c',
2743       'dtc/libfdt/fdt_addresses.c',
2744       'dtc/libfdt/fdt_overlay.c',
2745       'dtc/libfdt/fdt_check.c',
2746     )
2747
2748     fdt_inc = include_directories('dtc/libfdt')
2749     libfdt = static_library('fdt',
2750                             build_by_default: false,
2751                             sources: fdt_files,
2752                             include_directories: fdt_inc)
2753     fdt = declare_dependency(link_with: libfdt,
2754                              include_directories: fdt_inc)
2755   endif
2756 else
2757   fdt_opt = 'disabled'
2758 endif
2759 if not fdt.found() and fdt_required.length() > 0
2760   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2761 endif
2762
2763 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2764 config_host_data.set('CONFIG_FDT', fdt.found())
2765 config_host_data.set('CONFIG_SLIRP', slirp.found())
2766
2767 #####################
2768 # Generated sources #
2769 #####################
2770
2771 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2772
2773 hxtool = find_program('scripts/hxtool')
2774 shaderinclude = find_program('scripts/shaderinclude.pl')
2775 qapi_gen = find_program('scripts/qapi-gen.py')
2776 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2777                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2778                      meson.current_source_dir() / 'scripts/qapi/common.py',
2779                      meson.current_source_dir() / 'scripts/qapi/error.py',
2780                      meson.current_source_dir() / 'scripts/qapi/events.py',
2781                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2782                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2783                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2784                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2785                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2786                      meson.current_source_dir() / 'scripts/qapi/source.py',
2787                      meson.current_source_dir() / 'scripts/qapi/types.py',
2788                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2789                      meson.current_source_dir() / 'scripts/qapi/common.py',
2790                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2791 ]
2792
2793 tracetool = [
2794   python, files('scripts/tracetool.py'),
2795    '--backend=' + ','.join(get_option('trace_backends'))
2796 ]
2797 tracetool_depends = files(
2798   'scripts/tracetool/backend/log.py',
2799   'scripts/tracetool/backend/__init__.py',
2800   'scripts/tracetool/backend/dtrace.py',
2801   'scripts/tracetool/backend/ftrace.py',
2802   'scripts/tracetool/backend/simple.py',
2803   'scripts/tracetool/backend/syslog.py',
2804   'scripts/tracetool/backend/ust.py',
2805   'scripts/tracetool/format/ust_events_c.py',
2806   'scripts/tracetool/format/ust_events_h.py',
2807   'scripts/tracetool/format/__init__.py',
2808   'scripts/tracetool/format/d.py',
2809   'scripts/tracetool/format/simpletrace_stap.py',
2810   'scripts/tracetool/format/c.py',
2811   'scripts/tracetool/format/h.py',
2812   'scripts/tracetool/format/log_stap.py',
2813   'scripts/tracetool/format/stap.py',
2814   'scripts/tracetool/__init__.py',
2815   'scripts/tracetool/transform.py',
2816   'scripts/tracetool/vcpu.py'
2817 )
2818
2819 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2820                     meson.current_source_dir(),
2821                     get_option('pkgversion'), meson.project_version()]
2822 qemu_version = custom_target('qemu-version.h',
2823                              output: 'qemu-version.h',
2824                              command: qemu_version_cmd,
2825                              capture: true,
2826                              build_by_default: true,
2827                              build_always_stale: true)
2828 genh += qemu_version
2829
2830 hxdep = []
2831 hx_headers = [
2832   ['qemu-options.hx', 'qemu-options.def'],
2833   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2834 ]
2835 if have_system
2836   hx_headers += [
2837     ['hmp-commands.hx', 'hmp-commands.h'],
2838     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2839   ]
2840 endif
2841 foreach d : hx_headers
2842   hxdep += custom_target(d[1],
2843                 input: files(d[0]),
2844                 output: d[1],
2845                 capture: true,
2846                 build_by_default: true, # to be removed when added to a target
2847                 command: [hxtool, '-h', '@INPUT0@'])
2848 endforeach
2849 genh += hxdep
2850
2851 ###################
2852 # Collect sources #
2853 ###################
2854
2855 authz_ss = ss.source_set()
2856 blockdev_ss = ss.source_set()
2857 block_ss = ss.source_set()
2858 chardev_ss = ss.source_set()
2859 common_ss = ss.source_set()
2860 crypto_ss = ss.source_set()
2861 hwcore_ss = ss.source_set()
2862 io_ss = ss.source_set()
2863 qmp_ss = ss.source_set()
2864 qom_ss = ss.source_set()
2865 softmmu_ss = ss.source_set()
2866 specific_fuzz_ss = ss.source_set()
2867 specific_ss = ss.source_set()
2868 stub_ss = ss.source_set()
2869 trace_ss = ss.source_set()
2870 user_ss = ss.source_set()
2871 util_ss = ss.source_set()
2872
2873 # accel modules
2874 qtest_module_ss = ss.source_set()
2875 tcg_module_ss = ss.source_set()
2876
2877 modules = {}
2878 target_modules = {}
2879 hw_arch = {}
2880 target_arch = {}
2881 target_softmmu_arch = {}
2882 target_user_arch = {}
2883
2884 ###############
2885 # Trace files #
2886 ###############
2887
2888 # TODO: add each directory to the subdirs from its own meson.build, once
2889 # we have those
2890 trace_events_subdirs = [
2891   'crypto',
2892   'qapi',
2893   'qom',
2894   'monitor',
2895   'util',
2896   'gdbstub',
2897 ]
2898 if have_linux_user
2899   trace_events_subdirs += [ 'linux-user' ]
2900 endif
2901 if have_bsd_user
2902   trace_events_subdirs += [ 'bsd-user' ]
2903 endif
2904 if have_block
2905   trace_events_subdirs += [
2906     'authz',
2907     'block',
2908     'io',
2909     'nbd',
2910     'scsi',
2911   ]
2912 endif
2913 if have_system
2914   trace_events_subdirs += [
2915     'accel/kvm',
2916     'audio',
2917     'backends',
2918     'backends/tpm',
2919     'chardev',
2920     'ebpf',
2921     'hw/9pfs',
2922     'hw/acpi',
2923     'hw/adc',
2924     'hw/alpha',
2925     'hw/arm',
2926     'hw/audio',
2927     'hw/block',
2928     'hw/block/dataplane',
2929     'hw/char',
2930     'hw/display',
2931     'hw/dma',
2932     'hw/hyperv',
2933     'hw/i2c',
2934     'hw/i386',
2935     'hw/i386/xen',
2936     'hw/ide',
2937     'hw/input',
2938     'hw/intc',
2939     'hw/isa',
2940     'hw/mem',
2941     'hw/mips',
2942     'hw/misc',
2943     'hw/misc/macio',
2944     'hw/net',
2945     'hw/net/can',
2946     'hw/nubus',
2947     'hw/nvme',
2948     'hw/nvram',
2949     'hw/pci',
2950     'hw/pci-host',
2951     'hw/ppc',
2952     'hw/rdma',
2953     'hw/rdma/vmw',
2954     'hw/rtc',
2955     'hw/s390x',
2956     'hw/scsi',
2957     'hw/sd',
2958     'hw/sh4',
2959     'hw/sparc',
2960     'hw/sparc64',
2961     'hw/ssi',
2962     'hw/timer',
2963     'hw/tpm',
2964     'hw/usb',
2965     'hw/vfio',
2966     'hw/virtio',
2967     'hw/watchdog',
2968     'hw/xen',
2969     'hw/gpio',
2970     'migration',
2971     'net',
2972     'softmmu',
2973     'ui',
2974     'hw/remote',
2975   ]
2976 endif
2977 if have_system or have_user
2978   trace_events_subdirs += [
2979     'accel/tcg',
2980     'hw/core',
2981     'target/arm',
2982     'target/arm/hvf',
2983     'target/hppa',
2984     'target/i386',
2985     'target/i386/kvm',
2986     'target/mips/tcg',
2987     'target/nios2',
2988     'target/ppc',
2989     'target/riscv',
2990     'target/s390x',
2991     'target/s390x/kvm',
2992     'target/sparc',
2993   ]
2994 endif
2995
2996 vhost_user = not_found
2997 if targetos == 'linux' and have_vhost_user
2998   libvhost_user = subproject('libvhost-user')
2999   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3000 endif
3001
3002 libvduse = not_found
3003 if have_libvduse
3004   libvduse_proj = subproject('libvduse')
3005   libvduse = libvduse_proj.get_variable('libvduse_dep')
3006 endif
3007
3008 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3009 # that is filled in by qapi/.
3010 subdir('qapi')
3011 subdir('qobject')
3012 subdir('stubs')
3013 subdir('trace')
3014 subdir('util')
3015 subdir('qom')
3016 subdir('authz')
3017 subdir('crypto')
3018 subdir('ui')
3019 subdir('hw')
3020 subdir('gdbstub')
3021
3022
3023 if enable_modules
3024   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3025   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3026 endif
3027
3028 qom_ss = qom_ss.apply(config_host, strict: false)
3029 libqom = static_library('qom', qom_ss.sources() + genh,
3030                         dependencies: [qom_ss.dependencies()],
3031                         name_suffix: 'fa')
3032 qom = declare_dependency(link_whole: libqom)
3033
3034 event_loop_base = files('event-loop-base.c')
3035 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3036                                  build_by_default: true)
3037 event_loop_base = declare_dependency(link_whole: event_loop_base,
3038                                      dependencies: [qom])
3039
3040 stub_ss = stub_ss.apply(config_all, strict: false)
3041
3042 util_ss.add_all(trace_ss)
3043 util_ss = util_ss.apply(config_all, strict: false)
3044 libqemuutil = static_library('qemuutil',
3045                              sources: util_ss.sources() + stub_ss.sources() + genh,
3046                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3047 qemuutil = declare_dependency(link_with: libqemuutil,
3048                               sources: genh + version_res,
3049                               dependencies: [event_loop_base])
3050
3051 if have_system or have_user
3052   decodetree = generator(find_program('scripts/decodetree.py'),
3053                          output: 'decode-@BASENAME@.c.inc',
3054                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3055   subdir('libdecnumber')
3056   subdir('target')
3057 endif
3058
3059 subdir('audio')
3060 subdir('io')
3061 subdir('chardev')
3062 subdir('fsdev')
3063 subdir('dump')
3064
3065 if have_block
3066   block_ss.add(files(
3067     'block.c',
3068     'blockjob.c',
3069     'job.c',
3070     'qemu-io-cmds.c',
3071   ))
3072   if config_host_data.get('CONFIG_REPLICATION')
3073     block_ss.add(files('replication.c'))
3074   endif
3075
3076   subdir('nbd')
3077   subdir('scsi')
3078   subdir('block')
3079
3080   blockdev_ss.add(files(
3081     'blockdev.c',
3082     'blockdev-nbd.c',
3083     'iothread.c',
3084     'job-qmp.c',
3085   ), gnutls)
3086
3087   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3088   # os-win32.c does not
3089   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3090   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3091 endif
3092
3093 common_ss.add(files('cpus-common.c'))
3094
3095 subdir('softmmu')
3096
3097 common_ss.add(capstone)
3098 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3099
3100 # Work around a gcc bug/misfeature wherein constant propagation looks
3101 # through an alias:
3102 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3103 # to guess that a const variable is always zero.  Without lto, this is
3104 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3105 # without lto, not even the alias is required -- we simply use different
3106 # declarations in different compilation units.
3107 pagevary = files('page-vary-common.c')
3108 if get_option('b_lto')
3109   pagevary_flags = ['-fno-lto']
3110   if get_option('cfi')
3111     pagevary_flags += '-fno-sanitize=cfi-icall'
3112   endif
3113   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3114                             c_args: pagevary_flags)
3115   pagevary = declare_dependency(link_with: pagevary)
3116 endif
3117 common_ss.add(pagevary)
3118 specific_ss.add(files('page-vary.c'))
3119
3120 subdir('backends')
3121 subdir('disas')
3122 subdir('migration')
3123 subdir('monitor')
3124 subdir('net')
3125 subdir('replay')
3126 subdir('semihosting')
3127 subdir('tcg')
3128 subdir('fpu')
3129 subdir('accel')
3130 subdir('plugins')
3131 subdir('ebpf')
3132
3133 common_user_inc = []
3134
3135 subdir('common-user')
3136 subdir('bsd-user')
3137 subdir('linux-user')
3138
3139 # needed for fuzzing binaries
3140 subdir('tests/qtest/libqos')
3141 subdir('tests/qtest/fuzz')
3142
3143 # accel modules
3144 tcg_real_module_ss = ss.source_set()
3145 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3146 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3147 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3148                                 'tcg': tcg_real_module_ss }}
3149
3150 ########################
3151 # Library dependencies #
3152 ########################
3153
3154 modinfo_collect = find_program('scripts/modinfo-collect.py')
3155 modinfo_generate = find_program('scripts/modinfo-generate.py')
3156 modinfo_files = []
3157
3158 block_mods = []
3159 softmmu_mods = []
3160 foreach d, list : modules
3161   foreach m, module_ss : list
3162     if enable_modules and targetos != 'windows'
3163       module_ss = module_ss.apply(config_all, strict: false)
3164       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3165                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3166       if d == 'block'
3167         block_mods += sl
3168       else
3169         softmmu_mods += sl
3170       endif
3171       if module_ss.sources() != []
3172         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3173         # input. Sources can be used multiple times but objects are
3174         # unique when it comes to lookup in compile_commands.json.
3175         # Depnds on a mesion version with
3176         # https://github.com/mesonbuild/meson/pull/8900
3177         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3178                                        output: d + '-' + m + '.modinfo',
3179                                        input: module_ss.sources() + genh,
3180                                        capture: true,
3181                                        command: [modinfo_collect, module_ss.sources()])
3182       endif
3183     else
3184       if d == 'block'
3185         block_ss.add_all(module_ss)
3186       else
3187         softmmu_ss.add_all(module_ss)
3188       endif
3189     endif
3190   endforeach
3191 endforeach
3192
3193 foreach d, list : target_modules
3194   foreach m, module_ss : list
3195     if enable_modules and targetos != 'windows'
3196       foreach target : target_dirs
3197         if target.endswith('-softmmu')
3198           config_target = config_target_mak[target]
3199           config_target += config_host
3200           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3201           c_args = ['-DNEED_CPU_H',
3202                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3203                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3204           target_module_ss = module_ss.apply(config_target, strict: false)
3205           if target_module_ss.sources() != []
3206             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3207             sl = static_library(module_name,
3208                                 [genh, target_module_ss.sources()],
3209                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3210                                 include_directories: target_inc,
3211                                 c_args: c_args,
3212                                 pic: true)
3213             softmmu_mods += sl
3214             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3215             modinfo_files += custom_target(module_name + '.modinfo',
3216                                            output: module_name + '.modinfo',
3217                                            input: target_module_ss.sources() + genh,
3218                                            capture: true,
3219                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3220           endif
3221         endif
3222       endforeach
3223     else
3224       specific_ss.add_all(module_ss)
3225     endif
3226   endforeach
3227 endforeach
3228
3229 if enable_modules
3230   foreach target : target_dirs
3231     if target.endswith('-softmmu')
3232       config_target = config_target_mak[target]
3233       config_devices_mak = target + '-config-devices.mak'
3234       modinfo_src = custom_target('modinfo-' + target + '.c',
3235                                   output: 'modinfo-' + target + '.c',
3236                                   input: modinfo_files,
3237                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3238                                   capture: true)
3239
3240       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3241       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3242
3243       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3244       hw_arch[arch].add(modinfo_dep)
3245     endif
3246   endforeach
3247 endif
3248
3249 nm = find_program('nm')
3250 undefsym = find_program('scripts/undefsym.py')
3251 block_syms = custom_target('block.syms', output: 'block.syms',
3252                              input: [libqemuutil, block_mods],
3253                              capture: true,
3254                              command: [undefsym, nm, '@INPUT@'])
3255 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3256                              input: [libqemuutil, softmmu_mods],
3257                              capture: true,
3258                              command: [undefsym, nm, '@INPUT@'])
3259
3260 authz_ss = authz_ss.apply(config_host, strict: false)
3261 libauthz = static_library('authz', authz_ss.sources() + genh,
3262                           dependencies: [authz_ss.dependencies()],
3263                           name_suffix: 'fa',
3264                           build_by_default: false)
3265
3266 authz = declare_dependency(link_whole: libauthz,
3267                            dependencies: qom)
3268
3269 crypto_ss = crypto_ss.apply(config_host, strict: false)
3270 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3271                            dependencies: [crypto_ss.dependencies()],
3272                            name_suffix: 'fa',
3273                            build_by_default: false)
3274
3275 crypto = declare_dependency(link_whole: libcrypto,
3276                             dependencies: [authz, qom])
3277
3278 io_ss = io_ss.apply(config_host, strict: false)
3279 libio = static_library('io', io_ss.sources() + genh,
3280                        dependencies: [io_ss.dependencies()],
3281                        link_with: libqemuutil,
3282                        name_suffix: 'fa',
3283                        build_by_default: false)
3284
3285 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3286
3287 libmigration = static_library('migration', sources: migration_files + genh,
3288                               name_suffix: 'fa',
3289                               build_by_default: false)
3290 migration = declare_dependency(link_with: libmigration,
3291                                dependencies: [zlib, qom, io])
3292 softmmu_ss.add(migration)
3293
3294 block_ss = block_ss.apply(config_host, strict: false)
3295 libblock = static_library('block', block_ss.sources() + genh,
3296                           dependencies: block_ss.dependencies(),
3297                           link_depends: block_syms,
3298                           name_suffix: 'fa',
3299                           build_by_default: false)
3300
3301 block = declare_dependency(link_whole: [libblock],
3302                            link_args: '@block.syms',
3303                            dependencies: [crypto, io])
3304
3305 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3306 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3307                              dependencies: blockdev_ss.dependencies(),
3308                              name_suffix: 'fa',
3309                              build_by_default: false)
3310
3311 blockdev = declare_dependency(link_whole: [libblockdev],
3312                               dependencies: [block, event_loop_base])
3313
3314 qmp_ss = qmp_ss.apply(config_host, strict: false)
3315 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3316                         dependencies: qmp_ss.dependencies(),
3317                         name_suffix: 'fa',
3318                         build_by_default: false)
3319
3320 qmp = declare_dependency(link_whole: [libqmp])
3321
3322 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3323                             name_suffix: 'fa',
3324                             dependencies: chardev_ss.dependencies(),
3325                             build_by_default: false)
3326
3327 chardev = declare_dependency(link_whole: libchardev)
3328
3329 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3330 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3331                            name_suffix: 'fa',
3332                            build_by_default: false)
3333 hwcore = declare_dependency(link_whole: libhwcore)
3334 common_ss.add(hwcore)
3335
3336 ###########
3337 # Targets #
3338 ###########
3339
3340 emulator_modules = []
3341 foreach m : block_mods + softmmu_mods
3342   emulator_modules += shared_module(m.name(),
3343                 build_by_default: true,
3344                 name_prefix: '',
3345                 link_whole: m,
3346                 install: true,
3347                 install_dir: qemu_moddir)
3348 endforeach
3349 if emulator_modules.length() > 0
3350   alias_target('modules', emulator_modules)
3351 endif
3352
3353 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3354 common_ss.add(qom, qemuutil)
3355
3356 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3357 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3358
3359 common_all = common_ss.apply(config_all, strict: false)
3360 common_all = static_library('common',
3361                             build_by_default: false,
3362                             sources: common_all.sources() + genh,
3363                             include_directories: common_user_inc,
3364                             implicit_include_directories: false,
3365                             dependencies: common_all.dependencies(),
3366                             name_suffix: 'fa')
3367
3368 feature_to_c = find_program('scripts/feature_to_c.sh')
3369
3370 if targetos == 'darwin'
3371   entitlement = find_program('scripts/entitlement.sh')
3372 endif
3373
3374 emulators = {}
3375 foreach target : target_dirs
3376   config_target = config_target_mak[target]
3377   target_name = config_target['TARGET_NAME']
3378   target_base_arch = config_target['TARGET_BASE_ARCH']
3379   arch_srcs = [config_target_h[target]]
3380   arch_deps = []
3381   c_args = ['-DNEED_CPU_H',
3382             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3383             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3384   link_args = emulator_link_args
3385
3386   config_target += config_host
3387   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3388   if targetos == 'linux'
3389     target_inc += include_directories('linux-headers', is_system: true)
3390   endif
3391   if target.endswith('-softmmu')
3392     target_type='system'
3393     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3394     arch_srcs += t.sources()
3395     arch_deps += t.dependencies()
3396
3397     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3398     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3399     arch_srcs += hw.sources()
3400     arch_deps += hw.dependencies()
3401
3402     arch_srcs += config_devices_h[target]
3403     link_args += ['@block.syms', '@qemu.syms']
3404   else
3405     abi = config_target['TARGET_ABI_DIR']
3406     target_type='user'
3407     target_inc += common_user_inc
3408     if target_base_arch in target_user_arch
3409       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3410       arch_srcs += t.sources()
3411       arch_deps += t.dependencies()
3412     endif
3413     if 'CONFIG_LINUX_USER' in config_target
3414       base_dir = 'linux-user'
3415     endif
3416     if 'CONFIG_BSD_USER' in config_target
3417       base_dir = 'bsd-user'
3418       target_inc += include_directories('bsd-user/' / targetos)
3419       target_inc += include_directories('bsd-user/host/' / host_arch)
3420       dir = base_dir / abi
3421       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3422     endif
3423     target_inc += include_directories(
3424       base_dir,
3425       base_dir / abi,
3426     )
3427     if 'CONFIG_LINUX_USER' in config_target
3428       dir = base_dir / abi
3429       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3430       if config_target.has_key('TARGET_SYSTBL_ABI')
3431         arch_srcs += \
3432           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3433                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3434       endif
3435     endif
3436   endif
3437
3438   if 'TARGET_XML_FILES' in config_target
3439     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3440                                 output: target + '-gdbstub-xml.c',
3441                                 input: files(config_target['TARGET_XML_FILES'].split()),
3442                                 command: [feature_to_c, '@INPUT@'],
3443                                 capture: true)
3444     arch_srcs += gdbstub_xml
3445   endif
3446
3447   t = target_arch[target_base_arch].apply(config_target, strict: false)
3448   arch_srcs += t.sources()
3449   arch_deps += t.dependencies()
3450
3451   target_common = common_ss.apply(config_target, strict: false)
3452   objects = common_all.extract_objects(target_common.sources())
3453   deps = target_common.dependencies()
3454
3455   target_specific = specific_ss.apply(config_target, strict: false)
3456   arch_srcs += target_specific.sources()
3457   arch_deps += target_specific.dependencies()
3458
3459   lib = static_library('qemu-' + target,
3460                  sources: arch_srcs + genh,
3461                  dependencies: arch_deps,
3462                  objects: objects,
3463                  include_directories: target_inc,
3464                  c_args: c_args,
3465                  build_by_default: false,
3466                  name_suffix: 'fa')
3467
3468   if target.endswith('-softmmu')
3469     execs = [{
3470       'name': 'qemu-system-' + target_name,
3471       'win_subsystem': 'console',
3472       'sources': files('softmmu/main.c'),
3473       'dependencies': []
3474     }]
3475     if targetos == 'windows' and (sdl.found() or gtk.found())
3476       execs += [{
3477         'name': 'qemu-system-' + target_name + 'w',
3478         'win_subsystem': 'windows',
3479         'sources': files('softmmu/main.c'),
3480         'dependencies': []
3481       }]
3482     endif
3483     if get_option('fuzzing')
3484       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3485       execs += [{
3486         'name': 'qemu-fuzz-' + target_name,
3487         'win_subsystem': 'console',
3488         'sources': specific_fuzz.sources(),
3489         'dependencies': specific_fuzz.dependencies(),
3490       }]
3491     endif
3492   else
3493     execs = [{
3494       'name': 'qemu-' + target_name,
3495       'win_subsystem': 'console',
3496       'sources': [],
3497       'dependencies': []
3498     }]
3499   endif
3500   foreach exe: execs
3501     exe_name = exe['name']
3502     if targetos == 'darwin'
3503       exe_name += '-unsigned'
3504     endif
3505
3506     emulator = executable(exe_name, exe['sources'],
3507                install: true,
3508                c_args: c_args,
3509                dependencies: arch_deps + deps + exe['dependencies'],
3510                objects: lib.extract_all_objects(recursive: true),
3511                link_language: link_language,
3512                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3513                link_args: link_args,
3514                win_subsystem: exe['win_subsystem'])
3515
3516     if targetos == 'darwin'
3517       icon = 'pc-bios/qemu.rsrc'
3518       build_input = [emulator, files(icon)]
3519       install_input = [
3520         get_option('bindir') / exe_name,
3521         meson.current_source_dir() / icon
3522       ]
3523       if 'CONFIG_HVF' in config_target
3524         entitlements = 'accel/hvf/entitlements.plist'
3525         build_input += files(entitlements)
3526         install_input += meson.current_source_dir() / entitlements
3527       endif
3528
3529       emulators += {exe['name'] : custom_target(exe['name'],
3530                    input: build_input,
3531                    output: exe['name'],
3532                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3533       }
3534
3535       meson.add_install_script(entitlement, '--install',
3536                                get_option('bindir') / exe['name'],
3537                                install_input)
3538     else
3539       emulators += {exe['name']: emulator}
3540     endif
3541
3542     if stap.found()
3543       foreach stp: [
3544         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3545         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3546         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3547         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3548       ]
3549         custom_target(exe['name'] + stp['ext'],
3550                       input: trace_events_all,
3551                       output: exe['name'] + stp['ext'],
3552                       install: stp['install'],
3553                       install_dir: get_option('datadir') / 'systemtap/tapset',
3554                       command: [
3555                         tracetool, '--group=all', '--format=' + stp['fmt'],
3556                         '--binary=' + stp['bin'],
3557                         '--target-name=' + target_name,
3558                         '--target-type=' + target_type,
3559                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3560                         '@INPUT@', '@OUTPUT@'
3561                       ],
3562                       depend_files: tracetool_depends)
3563       endforeach
3564     endif
3565   endforeach
3566 endforeach
3567
3568 # Other build targets
3569
3570 if 'CONFIG_PLUGIN' in config_host
3571   install_headers('include/qemu/qemu-plugin.h')
3572 endif
3573
3574 subdir('qga')
3575
3576 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3577 # when we don't build tools or system
3578 if xkbcommon.found()
3579   # used for the update-keymaps target, so include rules even if !have_tools
3580   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3581                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3582 endif
3583
3584 if have_tools
3585   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3586              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3587   qemu_io = executable('qemu-io', files('qemu-io.c'),
3588              dependencies: [block, qemuutil], install: true)
3589   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3590                dependencies: [blockdev, qemuutil, gnutls, selinux],
3591                install: true)
3592
3593   subdir('storage-daemon')
3594   subdir('contrib/rdmacm-mux')
3595   subdir('contrib/elf2dmp')
3596
3597   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3598              dependencies: qemuutil,
3599              install: true)
3600
3601   if have_vhost_user
3602     subdir('contrib/vhost-user-blk')
3603     subdir('contrib/vhost-user-gpu')
3604     subdir('contrib/vhost-user-input')
3605     subdir('contrib/vhost-user-scsi')
3606   endif
3607
3608   if targetos == 'linux'
3609     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3610                dependencies: [qemuutil, libcap_ng],
3611                install: true,
3612                install_dir: get_option('libexecdir'))
3613
3614     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3615                dependencies: [authz, crypto, io, qom, qemuutil,
3616                               libcap_ng, mpathpersist],
3617                install: true)
3618   endif
3619
3620   if have_ivshmem
3621     subdir('contrib/ivshmem-client')
3622     subdir('contrib/ivshmem-server')
3623   endif
3624 endif
3625
3626 subdir('scripts')
3627 subdir('tools')
3628 subdir('pc-bios')
3629 subdir('docs')
3630 subdir('tests')
3631 if gtk.found()
3632   subdir('po')
3633 endif
3634
3635 if host_machine.system() == 'windows'
3636   nsis_cmd = [
3637     find_program('scripts/nsis.py'),
3638     '@OUTPUT@',
3639     get_option('prefix'),
3640     meson.current_source_dir(),
3641     config_host['GLIB_BINDIR'],
3642     host_machine.cpu(),
3643     '--',
3644     '-DDISPLAYVERSION=' + meson.project_version(),
3645   ]
3646   if build_docs
3647     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3648   endif
3649   if gtk.found()
3650     nsis_cmd += '-DCONFIG_GTK=y'
3651   endif
3652
3653   nsis = custom_target('nsis',
3654                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3655                        input: files('qemu.nsi'),
3656                        build_always_stale: true,
3657                        command: nsis_cmd + ['@INPUT@'])
3658   alias_target('installer', nsis)
3659 endif
3660
3661 #########################
3662 # Configuration summary #
3663 #########################
3664
3665 # Directories
3666 summary_info = {}
3667 summary_info += {'Install prefix':    get_option('prefix')}
3668 summary_info += {'BIOS directory':    qemu_datadir}
3669 pathsep = targetos == 'windows' ? ';' : ':'
3670 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3671 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3672 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3673 summary_info += {'module directory':  qemu_moddir}
3674 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3675 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3676 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3677 if targetos != 'windows'
3678   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3679   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3680 else
3681   summary_info += {'local state directory': 'queried at runtime'}
3682 endif
3683 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3684 summary_info += {'Build directory':   meson.current_build_dir()}
3685 summary_info += {'Source path':       meson.current_source_dir()}
3686 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3687 summary(summary_info, bool_yn: true, section: 'Directories')
3688
3689 # Host binaries
3690 summary_info = {}
3691 summary_info += {'git':               config_host['GIT']}
3692 summary_info += {'make':              config_host['MAKE']}
3693 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3694 summary_info += {'sphinx-build':      sphinx_build}
3695 if config_host.has_key('HAVE_GDB_BIN')
3696   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3697 endif
3698 summary_info += {'iasl':              iasl}
3699 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3700 if targetos == 'windows' and have_ga
3701   summary_info += {'wixl':            wixl}
3702 endif
3703 if slirp.found() and have_system
3704   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3705 endif
3706 summary(summary_info, bool_yn: true, section: 'Host binaries')
3707
3708 # Configurable features
3709 summary_info = {}
3710 summary_info += {'Documentation':     build_docs}
3711 summary_info += {'system-mode emulation': have_system}
3712 summary_info += {'user-mode emulation': have_user}
3713 summary_info += {'block layer':       have_block}
3714 summary_info += {'Install blobs':     get_option('install_blobs')}
3715 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3716 if config_host.has_key('CONFIG_MODULES')
3717   summary_info += {'alternative module path': get_option('module_upgrades')}
3718 endif
3719 summary_info += {'fuzzing support':   get_option('fuzzing')}
3720 if have_system
3721   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3722 endif
3723 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3724 if 'simple' in get_option('trace_backends')
3725   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3726 endif
3727 summary_info += {'D-Bus display':     dbus_display}
3728 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3729 summary_info += {'vhost-kernel support': have_vhost_kernel}
3730 summary_info += {'vhost-net support': have_vhost_net}
3731 summary_info += {'vhost-user support': have_vhost_user}
3732 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3733 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3734 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3735 summary_info += {'build guest agent': have_ga}
3736 summary(summary_info, bool_yn: true, section: 'Configurable features')
3737
3738 # Compilation information
3739 summary_info = {}
3740 summary_info += {'host CPU':          cpu}
3741 summary_info += {'host endianness':   build_machine.endian()}
3742 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3743 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3744 if link_language == 'cpp'
3745   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3746 else
3747   summary_info += {'C++ compiler':      false}
3748 endif
3749 if targetos == 'darwin'
3750   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3751 endif
3752 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3753                                                + ['-O' + get_option('optimization')]
3754                                                + (get_option('debug') ? ['-g'] : []))}
3755 if link_language == 'cpp'
3756   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3757                                                + ['-O' + get_option('optimization')]
3758                                                + (get_option('debug') ? ['-g'] : []))}
3759 endif
3760 if targetos == 'darwin'
3761   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3762                                                + ['-O' + get_option('optimization')]
3763                                                + (get_option('debug') ? ['-g'] : []))}
3764 endif
3765 link_args = get_option(link_language + '_link_args')
3766 if link_args.length() > 0
3767   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3768 endif
3769 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3770 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3771 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3772 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3773 summary_info += {'profiler':          get_option('profiler')}
3774 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3775 summary_info += {'PIE':               get_option('b_pie')}
3776 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3777 summary_info += {'malloc trim support': has_malloc_trim}
3778 summary_info += {'membarrier':        have_membarrier}
3779 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3780 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3781 summary_info += {'memory allocator':  get_option('malloc')}
3782 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3783 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3784 summary_info += {'gprof enabled':     get_option('gprof')}
3785 summary_info += {'gcov':              get_option('b_coverage')}
3786 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3787 summary_info += {'CFI support':       get_option('cfi')}
3788 if get_option('cfi')
3789   summary_info += {'CFI debug support': get_option('cfi_debug')}
3790 endif
3791 summary_info += {'strip binaries':    get_option('strip')}
3792 summary_info += {'sparse':            sparse}
3793 summary_info += {'mingw32 support':   targetos == 'windows'}
3794 summary(summary_info, bool_yn: true, section: 'Compilation')
3795
3796 # snarf the cross-compilation information for tests
3797 summary_info = {}
3798 have_cross = false
3799 foreach target: target_dirs
3800   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3801   if fs.exists(tcg_mak)
3802     config_cross_tcg = keyval.load(tcg_mak)
3803     if 'CC' in config_cross_tcg
3804       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3805       have_cross = true
3806     endif
3807   endif
3808 endforeach
3809 if have_cross
3810   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3811 endif
3812
3813 # Targets and accelerators
3814 summary_info = {}
3815 if have_system
3816   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3817   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3818   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3819   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3820   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3821   summary_info += {'Xen support':       xen.found()}
3822   if xen.found()
3823     summary_info += {'xen ctrl version':  xen.version()}
3824   endif
3825 endif
3826 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3827 if config_all.has_key('CONFIG_TCG')
3828   if get_option('tcg_interpreter')
3829     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3830   else
3831     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3832   endif
3833   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3834   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3835 endif
3836 summary_info += {'target list':       ' '.join(target_dirs)}
3837 if have_system
3838   summary_info += {'default devices':   get_option('default_devices')}
3839   summary_info += {'out of process emulation': multiprocess_allowed}
3840   summary_info += {'vfio-user server': vfio_user_server_allowed}
3841 endif
3842 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3843
3844 # Block layer
3845 summary_info = {}
3846 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3847 summary_info += {'coroutine pool':    have_coroutine_pool}
3848 if have_block
3849   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3850   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3851   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3852   summary_info += {'VirtFS support':    have_virtfs}
3853   summary_info += {'build virtiofs daemon': have_virtiofsd}
3854   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3855   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3856   summary_info += {'bochs support':     get_option('bochs').allowed()}
3857   summary_info += {'cloop support':     get_option('cloop').allowed()}
3858   summary_info += {'dmg support':       get_option('dmg').allowed()}
3859   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3860   summary_info += {'vdi support':       get_option('vdi').allowed()}
3861   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3862   summary_info += {'qed support':       get_option('qed').allowed()}
3863   summary_info += {'parallels support': get_option('parallels').allowed()}
3864   summary_info += {'FUSE exports':      fuse}
3865   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3866 endif
3867 summary(summary_info, bool_yn: true, section: 'Block layer support')
3868
3869 # Crypto
3870 summary_info = {}
3871 summary_info += {'TLS priority':      get_option('tls_priority')}
3872 summary_info += {'GNUTLS support':    gnutls}
3873 if gnutls.found()
3874   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3875 endif
3876 summary_info += {'libgcrypt':         gcrypt}
3877 summary_info += {'nettle':            nettle}
3878 if nettle.found()
3879    summary_info += {'  XTS':             xts != 'private'}
3880 endif
3881 summary_info += {'AF_ALG support':    have_afalg}
3882 summary_info += {'rng-none':          get_option('rng_none')}
3883 summary_info += {'Linux keyring':     have_keyring}
3884 summary(summary_info, bool_yn: true, section: 'Crypto')
3885
3886 # Libraries
3887 summary_info = {}
3888 if targetos == 'darwin'
3889   summary_info += {'Cocoa support':           cocoa}
3890   summary_info += {'vmnet.framework support': vmnet}
3891 endif
3892 summary_info += {'SDL support':       sdl}
3893 summary_info += {'SDL image support': sdl_image}
3894 summary_info += {'GTK support':       gtk}
3895 summary_info += {'pixman':            pixman}
3896 summary_info += {'VTE support':       vte}
3897 summary_info += {'slirp support':     slirp}
3898 summary_info += {'libtasn1':          tasn1}
3899 summary_info += {'PAM':               pam}
3900 summary_info += {'iconv support':     iconv}
3901 summary_info += {'curses support':    curses}
3902 summary_info += {'virgl support':     virgl}
3903 summary_info += {'blkio support':     blkio}
3904 summary_info += {'curl support':      curl}
3905 summary_info += {'Multipath support': mpathpersist}
3906 summary_info += {'PNG support':       png}
3907 summary_info += {'VNC support':       vnc}
3908 if vnc.found()
3909   summary_info += {'VNC SASL support':  sasl}
3910   summary_info += {'VNC JPEG support':  jpeg}
3911 endif
3912 if targetos not in ['darwin', 'haiku', 'windows']
3913   summary_info += {'OSS support':     oss}
3914   summary_info += {'sndio support':   sndio}
3915 elif targetos == 'darwin'
3916   summary_info += {'CoreAudio support': coreaudio}
3917 elif targetos == 'windows'
3918   summary_info += {'DirectSound support': dsound}
3919 endif
3920 if targetos == 'linux'
3921   summary_info += {'ALSA support':    alsa}
3922   summary_info += {'PulseAudio support': pulse}
3923 endif
3924 summary_info += {'JACK support':      jack}
3925 summary_info += {'brlapi support':    brlapi}
3926 summary_info += {'vde support':       vde}
3927 summary_info += {'netmap support':    have_netmap}
3928 summary_info += {'l2tpv3 support':    have_l2tpv3}
3929 summary_info += {'Linux AIO support': libaio}
3930 summary_info += {'Linux io_uring support': linux_io_uring}
3931 summary_info += {'ATTR/XATTR support': libattr}
3932 summary_info += {'RDMA support':      rdma}
3933 summary_info += {'PVRDMA support':    have_pvrdma}
3934 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3935 summary_info += {'libcap-ng support': libcap_ng}
3936 summary_info += {'bpf support':       libbpf}
3937 summary_info += {'spice protocol support': spice_protocol}
3938 if spice_protocol.found()
3939   summary_info += {'  spice server support': spice}
3940 endif
3941 summary_info += {'rbd support':       rbd}
3942 summary_info += {'smartcard support': cacard}
3943 summary_info += {'U2F support':       u2f}
3944 summary_info += {'libusb':            libusb}
3945 summary_info += {'usb net redir':     usbredir}
3946 summary_info += {'OpenGL support (epoxy)': opengl}
3947 summary_info += {'GBM':               gbm}
3948 summary_info += {'libiscsi support':  libiscsi}
3949 summary_info += {'libnfs support':    libnfs}
3950 if targetos == 'windows'
3951   if have_ga
3952     summary_info += {'QGA VSS support':   have_qga_vss}
3953   endif
3954 endif
3955 summary_info += {'seccomp support':   seccomp}
3956 summary_info += {'GlusterFS support': glusterfs}
3957 summary_info += {'TPM support':       have_tpm}
3958 summary_info += {'libssh support':    libssh}
3959 summary_info += {'lzo support':       lzo}
3960 summary_info += {'snappy support':    snappy}
3961 summary_info += {'bzip2 support':     libbzip2}
3962 summary_info += {'lzfse support':     liblzfse}
3963 summary_info += {'zstd support':      zstd}
3964 summary_info += {'NUMA host support': numa}
3965 summary_info += {'capstone':          capstone}
3966 summary_info += {'libpmem support':   libpmem}
3967 summary_info += {'libdaxctl support': libdaxctl}
3968 summary_info += {'libudev':           libudev}
3969 # Dummy dependency, keep .found()
3970 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3971 summary_info += {'selinux':           selinux}
3972 summary(summary_info, bool_yn: true, section: 'Dependencies')
3973
3974 if not supported_cpus.contains(cpu)
3975   message()
3976   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3977   message()
3978   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3979   message('The QEMU project intends to remove support for this host CPU in')
3980   message('a future release if nobody volunteers to maintain it and to')
3981   message('provide a build host for our continuous integration setup.')
3982   message('configure has succeeded and you can continue to build, but')
3983   message('if you care about QEMU on this platform you should contact')
3984   message('us upstream at qemu-devel@nongnu.org.')
3985 endif
3986
3987 if not supported_oses.contains(targetos)
3988   message()
3989   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3990   message()
3991   message('Host OS ' + targetos + 'support is not currently maintained.')
3992   message('The QEMU project intends to remove support for this host OS in')
3993   message('a future release if nobody volunteers to maintain it and to')
3994   message('provide a build host for our continuous integration setup.')
3995   message('configure has succeeded and you can continue to build, but')
3996   message('if you care about QEMU on this platform you should contact')
3997   message('us upstream at qemu-devel@nongnu.org.')
3998 endif