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_CLOSE_RANGE', cc.has_function('close_range'))
1959 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1960 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1961 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1962 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1963 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1964 # Note that we need to specify prefix: here to avoid incorrectly
1965 # thinking that Windows has posix_memalign()
1966 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1967 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1968 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1969 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1970 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1971 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1972 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1973 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1974 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1975 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1976 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1977 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1978 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1979 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1980 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1981 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1982 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1983 if rbd.found()
1984   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1985                        cc.has_function('rbd_namespace_exists',
1986                                        dependencies: rbd,
1987                                        prefix: '#include <rbd/librbd.h>'))
1988 endif
1989 if rdma.found()
1990   config_host_data.set('HAVE_IBV_ADVISE_MR',
1991                        cc.has_function('ibv_advise_mr',
1992                                        dependencies: rdma,
1993                                        prefix: '#include <infiniband/verbs.h>'))
1994 endif
1995
1996 # has_header_symbol
1997 config_host_data.set('CONFIG_BYTESWAP_H',
1998                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1999 config_host_data.set('CONFIG_EPOLL_CREATE1',
2000                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2001 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2002                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2003                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2004 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2005                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2006 config_host_data.set('CONFIG_FIEMAP',
2007                      cc.has_header('linux/fiemap.h') and
2008                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2009 config_host_data.set('CONFIG_GETRANDOM',
2010                      cc.has_function('getrandom') and
2011                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2012 config_host_data.set('CONFIG_INOTIFY',
2013                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2014 config_host_data.set('CONFIG_INOTIFY1',
2015                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2016 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2017                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2018                                           prefix: '''#include <sys/endian.h>
2019                                                      #include <sys/types.h>'''))
2020 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2021                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2022 config_host_data.set('CONFIG_RTNETLINK',
2023                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2024 config_host_data.set('CONFIG_SYSMACROS',
2025                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2026 config_host_data.set('HAVE_OPTRESET',
2027                      cc.has_header_symbol('getopt.h', 'optreset'))
2028 config_host_data.set('HAVE_IPPROTO_MPTCP',
2029                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2030 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2031                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2032
2033 # has_member
2034 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2035                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2036                                    prefix: '#include <signal.h>'))
2037 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2038                      cc.has_member('struct stat', 'st_atim',
2039                                    prefix: '#include <sys/stat.h>'))
2040
2041 # has_type
2042 config_host_data.set('CONFIG_IOVEC',
2043                      cc.has_type('struct iovec',
2044                                  prefix: '#include <sys/uio.h>'))
2045 config_host_data.set('HAVE_UTMPX',
2046                      cc.has_type('struct utmpx',
2047                                  prefix: '#include <utmpx.h>'))
2048
2049 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2050   #include <sys/eventfd.h>
2051   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2052 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2053   #include <unistd.h>
2054   int main(void) {
2055   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2056   return fdatasync(0);
2057   #else
2058   #error Not supported
2059   #endif
2060   }'''))
2061
2062 has_madvise = cc.links(gnu_source_prefix + '''
2063   #include <sys/types.h>
2064   #include <sys/mman.h>
2065   #include <stddef.h>
2066   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2067 missing_madvise_proto = false
2068 if has_madvise
2069   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2070   # but forget to prototype it. In this case, has_madvise will be true (the
2071   # test program links despite a compile warning). To detect the
2072   # missing-prototype case, we try again with a definitely-bogus prototype.
2073   # This will only compile if the system headers don't provide the prototype;
2074   # otherwise the conflicting prototypes will cause a compiler error.
2075   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2076     #include <sys/types.h>
2077     #include <sys/mman.h>
2078     #include <stddef.h>
2079     extern int madvise(int);
2080     int main(void) { return madvise(0); }''')
2081 endif
2082 config_host_data.set('CONFIG_MADVISE', has_madvise)
2083 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2084
2085 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2086   #include <sys/mman.h>
2087   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2088 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2089   #include <fcntl.h>
2090   #if !defined(AT_EMPTY_PATH)
2091   # error missing definition
2092   #else
2093   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2094   #endif'''))
2095 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2096   #include <sys/mman.h>
2097   #include <stddef.h>
2098   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2099
2100 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2101   #include <pthread.h>
2102
2103   static void *f(void *p) { return NULL; }
2104   int main(void)
2105   {
2106     pthread_t thread;
2107     pthread_create(&thread, 0, f, 0);
2108     pthread_setname_np(thread, "QEMU");
2109     return 0;
2110   }''', dependencies: threads))
2111 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2112   #include <pthread.h>
2113
2114   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2115   int main(void)
2116   {
2117     pthread_t thread;
2118     pthread_create(&thread, 0, f, 0);
2119     return 0;
2120   }''', dependencies: threads))
2121 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2122   #include <pthread.h>
2123   #include <time.h>
2124
2125   int main(void)
2126   {
2127     pthread_condattr_t attr
2128     pthread_condattr_init(&attr);
2129     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2130     return 0;
2131   }''', dependencies: threads))
2132 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2133   #include <pthread.h>
2134
2135   static void *f(void *p) { return NULL; }
2136   int main(void)
2137   {
2138     int setsize = CPU_ALLOC_SIZE(64);
2139     pthread_t thread;
2140     cpu_set_t *cpuset;
2141     pthread_create(&thread, 0, f, 0);
2142     cpuset = CPU_ALLOC(64);
2143     CPU_ZERO_S(setsize, cpuset);
2144     pthread_setaffinity_np(thread, setsize, cpuset);
2145     pthread_getaffinity_np(thread, setsize, cpuset);
2146     CPU_FREE(cpuset);
2147     return 0;
2148   }''', dependencies: threads))
2149 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2150   #include <sys/signalfd.h>
2151   #include <stddef.h>
2152   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2153 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2154   #include <unistd.h>
2155   #include <fcntl.h>
2156   #include <limits.h>
2157
2158   int main(void)
2159   {
2160     int len, fd = 0;
2161     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2162     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2163     return 0;
2164   }'''))
2165
2166 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2167   #include <sys/mman.h>
2168   int main(int argc, char *argv[]) {
2169     return mlockall(MCL_FUTURE);
2170   }'''))
2171
2172 have_l2tpv3 = false
2173 if get_option('l2tpv3').allowed() and have_system
2174   have_l2tpv3 = cc.has_type('struct mmsghdr',
2175     prefix: gnu_source_prefix + '''
2176       #include <sys/socket.h>
2177       #include <linux/ip.h>''')
2178 endif
2179 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2180
2181 have_netmap = false
2182 if get_option('netmap').allowed() and have_system
2183   have_netmap = cc.compiles('''
2184     #include <inttypes.h>
2185     #include <net/if.h>
2186     #include <net/netmap.h>
2187     #include <net/netmap_user.h>
2188     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2189     #error
2190     #endif
2191     int main(void) { return 0; }''')
2192   if not have_netmap and get_option('netmap').enabled()
2193     error('Netmap headers not available')
2194   endif
2195 endif
2196 config_host_data.set('CONFIG_NETMAP', have_netmap)
2197
2198 # Work around a system header bug with some kernel/XFS header
2199 # versions where they both try to define 'struct fsxattr':
2200 # xfs headers will not try to redefine structs from linux headers
2201 # if this macro is set.
2202 config_host_data.set('HAVE_FSXATTR', cc.links('''
2203   #include <linux/fs.h>
2204   struct fsxattr foo;
2205   int main(void) {
2206     return 0;
2207   }'''))
2208
2209 # Some versions of Mac OS X incorrectly define SIZE_MAX
2210 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2211     #include <stdint.h>
2212     #include <stdio.h>
2213     int main(int argc, char *argv[]) {
2214         return printf("%zu", SIZE_MAX);
2215     }''', args: ['-Werror']))
2216
2217 atomic_test = '''
2218   #include <stdint.h>
2219   int main(void)
2220   {
2221     @0@ x = 0, y = 0;
2222     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2223     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2224     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2225     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2226     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2227     return 0;
2228   }'''
2229
2230 # See if 64-bit atomic operations are supported.
2231 # Note that without __atomic builtins, we can only
2232 # assume atomic loads/stores max at pointer size.
2233 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2234
2235 has_int128 = cc.links('''
2236   __int128_t a;
2237   __uint128_t b;
2238   int main (void) {
2239     a = a + b;
2240     b = a * b;
2241     a = a * a;
2242     return 0;
2243   }''')
2244
2245 config_host_data.set('CONFIG_INT128', has_int128)
2246
2247 if has_int128
2248   # "do we have 128-bit atomics which are handled inline and specifically not
2249   # via libatomic". The reason we can't use libatomic is documented in the
2250   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2251   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2252
2253   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2254
2255   if not has_atomic128
2256     has_cmpxchg128 = cc.links('''
2257       int main(void)
2258       {
2259         unsigned __int128 x = 0, y = 0;
2260         __sync_val_compare_and_swap_16(&x, y, x);
2261         return 0;
2262       }
2263     ''')
2264
2265     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2266   endif
2267 endif
2268
2269 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2270   #include <sys/auxv.h>
2271   int main(void) {
2272     return getauxval(AT_HWCAP) == 0;
2273   }'''))
2274
2275 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2276   #include <linux/usbdevice_fs.h>
2277
2278   #ifndef USBDEVFS_GET_CAPABILITIES
2279   #error "USBDEVFS_GET_CAPABILITIES undefined"
2280   #endif
2281
2282   #ifndef USBDEVFS_DISCONNECT_CLAIM
2283   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2284   #endif
2285
2286   int main(void) { return 0; }'''))
2287
2288 have_keyring = get_option('keyring') \
2289   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2290   .require(cc.compiles('''
2291     #include <errno.h>
2292     #include <asm/unistd.h>
2293     #include <linux/keyctl.h>
2294     #include <sys/syscall.h>
2295     #include <unistd.h>
2296     int main(void) {
2297         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2298     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2299 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2300
2301 have_cpuid_h = cc.links('''
2302   #include <cpuid.h>
2303   int main(void) {
2304     unsigned a, b, c, d;
2305     unsigned max = __get_cpuid_max(0, 0);
2306
2307     if (max >= 1) {
2308         __cpuid(1, a, b, c, d);
2309     }
2310
2311     if (max >= 7) {
2312         __cpuid_count(7, 0, a, b, c, d);
2313     }
2314
2315     return 0;
2316   }''')
2317 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2318
2319 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2320   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2321   .require(cc.links('''
2322     #pragma GCC push_options
2323     #pragma GCC target("avx2")
2324     #include <cpuid.h>
2325     #include <immintrin.h>
2326     static int bar(void *a) {
2327       __m256i x = *(__m256i *)a;
2328       return _mm256_testz_si256(x, x);
2329     }
2330     int main(int argc, char *argv[]) { return bar(argv[0]); }
2331   '''), error_message: 'AVX2 not available').allowed())
2332
2333 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2334   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2335   .require(cc.links('''
2336     #pragma GCC push_options
2337     #pragma GCC target("avx512f")
2338     #include <cpuid.h>
2339     #include <immintrin.h>
2340     static int bar(void *a) {
2341       __m512i x = *(__m512i *)a;
2342       return _mm512_test_epi64_mask(x, x);
2343     }
2344     int main(int argc, char *argv[]) { return bar(argv[0]); }
2345   '''), error_message: 'AVX512F not available').allowed())
2346
2347 have_pvrdma = get_option('pvrdma') \
2348   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2349   .require(cc.compiles(gnu_source_prefix + '''
2350     #include <sys/mman.h>
2351     int main(void)
2352     {
2353       char buf = 0;
2354       void *addr = &buf;
2355       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2356
2357       return 0;
2358     }'''), error_message: 'PVRDMA requires mremap').allowed()
2359
2360 if have_pvrdma
2361   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2362     #include <infiniband/verbs.h>
2363     int main(void)
2364     {
2365       struct ibv_mr *mr;
2366       struct ibv_pd *pd = NULL;
2367       size_t length = 10;
2368       uint64_t iova = 0;
2369       int access = 0;
2370       void *addr = NULL;
2371
2372       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2373       ibv_dereg_mr(mr);
2374       return 0;
2375     }'''))
2376 endif
2377
2378 if get_option('membarrier').disabled()
2379   have_membarrier = false
2380 elif targetos == 'windows'
2381   have_membarrier = true
2382 elif targetos == 'linux'
2383   have_membarrier = cc.compiles('''
2384     #include <linux/membarrier.h>
2385     #include <sys/syscall.h>
2386     #include <unistd.h>
2387     #include <stdlib.h>
2388     int main(void) {
2389         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2390         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2391         exit(0);
2392     }''')
2393 endif
2394 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2395   .require(have_membarrier, error_message: 'membarrier system call not available') \
2396   .allowed())
2397
2398 have_afalg = get_option('crypto_afalg') \
2399   .require(cc.compiles(gnu_source_prefix + '''
2400     #include <errno.h>
2401     #include <sys/types.h>
2402     #include <sys/socket.h>
2403     #include <linux/if_alg.h>
2404     int main(void) {
2405       int sock;
2406       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2407       return sock;
2408     }
2409   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2410 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2411
2412 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2413   'linux/vm_sockets.h', 'AF_VSOCK',
2414   prefix: '#include <sys/socket.h>',
2415 ))
2416
2417 have_vss = false
2418 have_vss_sdk = false # old xp/2003 SDK
2419 if targetos == 'windows' and link_language == 'cpp'
2420   have_vss = cxx.compiles('''
2421     #define __MIDL_user_allocate_free_DEFINED__
2422     #include <vss.h>
2423     int main(void) { return VSS_CTX_BACKUP; }''')
2424   have_vss_sdk = cxx.has_header('vscoordint.h')
2425 endif
2426 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2427
2428 foreach k, v: config_host
2429   if k.startswith('CONFIG_')
2430     config_host_data.set(k, v == 'y' ? 1 : v)
2431   endif
2432 endforeach
2433
2434 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2435 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2436 if targetos == 'windows'
2437   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2438     #include <stdio.h>
2439     int main(void) {
2440       _lock_file(NULL);
2441       _unlock_file(NULL);
2442       return 0;
2443     }''', name: '_lock_file and _unlock_file'))
2444 endif
2445
2446 ########################
2447 # Target configuration #
2448 ########################
2449
2450 minikconf = find_program('scripts/minikconf.py')
2451 config_all = {}
2452 config_all_devices = {}
2453 config_all_disas = {}
2454 config_devices_mak_list = []
2455 config_devices_h = {}
2456 config_target_h = {}
2457 config_target_mak = {}
2458
2459 disassemblers = {
2460   'alpha' : ['CONFIG_ALPHA_DIS'],
2461   'avr' : ['CONFIG_AVR_DIS'],
2462   'cris' : ['CONFIG_CRIS_DIS'],
2463   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2464   'hppa' : ['CONFIG_HPPA_DIS'],
2465   'i386' : ['CONFIG_I386_DIS'],
2466   'x86_64' : ['CONFIG_I386_DIS'],
2467   'm68k' : ['CONFIG_M68K_DIS'],
2468   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2469   'mips' : ['CONFIG_MIPS_DIS'],
2470   'nios2' : ['CONFIG_NIOS2_DIS'],
2471   'or1k' : ['CONFIG_OPENRISC_DIS'],
2472   'ppc' : ['CONFIG_PPC_DIS'],
2473   'riscv' : ['CONFIG_RISCV_DIS'],
2474   'rx' : ['CONFIG_RX_DIS'],
2475   's390' : ['CONFIG_S390_DIS'],
2476   'sh4' : ['CONFIG_SH4_DIS'],
2477   'sparc' : ['CONFIG_SPARC_DIS'],
2478   'xtensa' : ['CONFIG_XTENSA_DIS'],
2479   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2480 }
2481 if link_language == 'cpp'
2482   disassemblers += {
2483     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2484   }
2485 endif
2486
2487 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2488 host_kconfig = \
2489   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2490   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2491   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2492   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2493   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2494   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2495   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2496   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2497   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2498   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2499   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2500   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2501   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2502   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2503
2504 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2505
2506 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2507 actual_target_dirs = []
2508 fdt_required = []
2509 foreach target : target_dirs
2510   config_target = { 'TARGET_NAME': target.split('-')[0] }
2511   if target.endswith('linux-user')
2512     if targetos != 'linux'
2513       if default_targets
2514         continue
2515       endif
2516       error('Target @0@ is only available on a Linux host'.format(target))
2517     endif
2518     config_target += { 'CONFIG_LINUX_USER': 'y' }
2519   elif target.endswith('bsd-user')
2520     if 'CONFIG_BSD' not in config_host
2521       if default_targets
2522         continue
2523       endif
2524       error('Target @0@ is only available on a BSD host'.format(target))
2525     endif
2526     config_target += { 'CONFIG_BSD_USER': 'y' }
2527   elif target.endswith('softmmu')
2528     config_target += { 'CONFIG_SOFTMMU': 'y' }
2529   endif
2530   if target.endswith('-user')
2531     config_target += {
2532       'CONFIG_USER_ONLY': 'y',
2533       'CONFIG_QEMU_INTERP_PREFIX':
2534         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2535     }
2536   endif
2537
2538   accel_kconfig = []
2539   foreach sym: accelerators
2540     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2541       config_target += { sym: 'y' }
2542       config_all += { sym: 'y' }
2543       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2544         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2545       endif
2546       if target in modular_tcg
2547         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2548       else
2549         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2550       endif
2551       accel_kconfig += [ sym + '=y' ]
2552     endif
2553   endforeach
2554   if accel_kconfig.length() == 0
2555     if default_targets
2556       continue
2557     endif
2558     error('No accelerator available for target @0@'.format(target))
2559   endif
2560
2561   actual_target_dirs += target
2562   config_target += keyval.load('configs/targets' / target + '.mak')
2563   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2564
2565   if 'TARGET_NEED_FDT' in config_target
2566     fdt_required += target
2567   endif
2568
2569   # Add default keys
2570   if 'TARGET_BASE_ARCH' not in config_target
2571     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2572   endif
2573   if 'TARGET_ABI_DIR' not in config_target
2574     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2575   endif
2576   if 'TARGET_BIG_ENDIAN' not in config_target
2577     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2578   endif
2579
2580   foreach k, v: disassemblers
2581     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2582       foreach sym: v
2583         config_target += { sym: 'y' }
2584         config_all_disas += { sym: 'y' }
2585       endforeach
2586     endif
2587   endforeach
2588
2589   config_target_data = configuration_data()
2590   foreach k, v: config_target
2591     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2592       # do nothing
2593     elif ignored.contains(k)
2594       # do nothing
2595     elif k == 'TARGET_BASE_ARCH'
2596       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2597       # not used to select files from sourcesets.
2598       config_target_data.set('TARGET_' + v.to_upper(), 1)
2599     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2600       config_target_data.set_quoted(k, v)
2601     elif v == 'y'
2602       config_target_data.set(k, 1)
2603     elif v == 'n'
2604       config_target_data.set(k, 0)
2605     else
2606       config_target_data.set(k, v)
2607     endif
2608   endforeach
2609   config_target_data.set('QEMU_ARCH',
2610                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2611   config_target_h += {target: configure_file(output: target + '-config-target.h',
2612                                                configuration: config_target_data)}
2613
2614   if target.endswith('-softmmu')
2615     config_input = meson.get_external_property(target, 'default')
2616     config_devices_mak = target + '-config-devices.mak'
2617     config_devices_mak = configure_file(
2618       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2619       output: config_devices_mak,
2620       depfile: config_devices_mak + '.d',
2621       capture: true,
2622       command: [minikconf,
2623                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2624                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2625                 host_kconfig, accel_kconfig,
2626                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2627
2628     config_devices_data = configuration_data()
2629     config_devices = keyval.load(config_devices_mak)
2630     foreach k, v: config_devices
2631       config_devices_data.set(k, 1)
2632     endforeach
2633     config_devices_mak_list += config_devices_mak
2634     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2635                                                 configuration: config_devices_data)}
2636     config_target += config_devices
2637     config_all_devices += config_devices
2638   endif
2639   config_target_mak += {target: config_target}
2640 endforeach
2641 target_dirs = actual_target_dirs
2642
2643 # This configuration is used to build files that are shared by
2644 # multiple binaries, and then extracted out of the "common"
2645 # static_library target.
2646 #
2647 # We do not use all_sources()/all_dependencies(), because it would
2648 # build literally all source files, including devices only used by
2649 # targets that are not built for this compilation.  The CONFIG_ALL
2650 # pseudo symbol replaces it.
2651
2652 config_all += config_all_devices
2653 config_all += config_host
2654 config_all += config_all_disas
2655 config_all += {
2656   'CONFIG_XEN': xen.found(),
2657   'CONFIG_SOFTMMU': have_system,
2658   'CONFIG_USER_ONLY': have_user,
2659   'CONFIG_ALL': true,
2660 }
2661
2662 target_configs_h = []
2663 foreach target: target_dirs
2664   target_configs_h += config_target_h[target]
2665   target_configs_h += config_devices_h.get(target, [])
2666 endforeach
2667 genh += custom_target('config-poison.h',
2668                       input: [target_configs_h],
2669                       output: 'config-poison.h',
2670                       capture: true,
2671                       command: [find_program('scripts/make-config-poison.sh'),
2672                                 target_configs_h])
2673
2674 ##############
2675 # Submodules #
2676 ##############
2677
2678 capstone = not_found
2679 if not get_option('capstone').auto() or have_system or have_user
2680   capstone = dependency('capstone', version: '>=3.0.5',
2681                         kwargs: static_kwargs, method: 'pkg-config',
2682                         required: get_option('capstone'))
2683
2684   # Some versions of capstone have broken pkg-config file
2685   # that reports a wrong -I path, causing the #include to
2686   # fail later. If the system has such a broken version
2687   # do not use it.
2688   if capstone.found() and not cc.compiles('#include <capstone.h>',
2689                                           dependencies: [capstone])
2690     capstone = not_found
2691     if get_option('capstone').enabled()
2692       error('capstone requested, but it does not appear to work')
2693     endif
2694   endif
2695 endif
2696
2697 libvfio_user_dep = not_found
2698 if have_system and vfio_user_server_allowed
2699   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2700
2701   if not have_internal
2702     error('libvfio-user source not found - please pull git submodule')
2703   endif
2704
2705   libvfio_user_proj = subproject('libvfio-user')
2706
2707   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2708
2709   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2710 endif
2711
2712 fdt = not_found
2713 if have_system
2714   fdt_opt = get_option('fdt')
2715   if fdt_opt in ['enabled', 'auto', 'system']
2716     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2717     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2718                           required: fdt_opt == 'system' or
2719                                     fdt_opt == 'enabled' and not have_internal)
2720     if fdt.found() and cc.links('''
2721        #include <libfdt.h>
2722        #include <libfdt_env.h>
2723        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2724          dependencies: fdt)
2725       fdt_opt = 'system'
2726     elif fdt_opt == 'system'
2727        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2728     elif have_internal
2729       fdt_opt = 'internal'
2730     else
2731       fdt_opt = 'disabled'
2732       fdt = not_found
2733     endif
2734   endif
2735   if fdt_opt == 'internal'
2736     fdt_files = files(
2737       'dtc/libfdt/fdt.c',
2738       'dtc/libfdt/fdt_ro.c',
2739       'dtc/libfdt/fdt_wip.c',
2740       'dtc/libfdt/fdt_sw.c',
2741       'dtc/libfdt/fdt_rw.c',
2742       'dtc/libfdt/fdt_strerror.c',
2743       'dtc/libfdt/fdt_empty_tree.c',
2744       'dtc/libfdt/fdt_addresses.c',
2745       'dtc/libfdt/fdt_overlay.c',
2746       'dtc/libfdt/fdt_check.c',
2747     )
2748
2749     fdt_inc = include_directories('dtc/libfdt')
2750     libfdt = static_library('fdt',
2751                             build_by_default: false,
2752                             sources: fdt_files,
2753                             include_directories: fdt_inc)
2754     fdt = declare_dependency(link_with: libfdt,
2755                              include_directories: fdt_inc)
2756   endif
2757 else
2758   fdt_opt = 'disabled'
2759 endif
2760 if not fdt.found() and fdt_required.length() > 0
2761   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2762 endif
2763
2764 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2765 config_host_data.set('CONFIG_FDT', fdt.found())
2766 config_host_data.set('CONFIG_SLIRP', slirp.found())
2767
2768 #####################
2769 # Generated sources #
2770 #####################
2771
2772 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2773
2774 hxtool = find_program('scripts/hxtool')
2775 shaderinclude = find_program('scripts/shaderinclude.pl')
2776 qapi_gen = find_program('scripts/qapi-gen.py')
2777 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2778                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2779                      meson.current_source_dir() / 'scripts/qapi/common.py',
2780                      meson.current_source_dir() / 'scripts/qapi/error.py',
2781                      meson.current_source_dir() / 'scripts/qapi/events.py',
2782                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2783                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2784                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2785                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2786                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2787                      meson.current_source_dir() / 'scripts/qapi/source.py',
2788                      meson.current_source_dir() / 'scripts/qapi/types.py',
2789                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2790                      meson.current_source_dir() / 'scripts/qapi/common.py',
2791                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2792 ]
2793
2794 tracetool = [
2795   python, files('scripts/tracetool.py'),
2796    '--backend=' + ','.join(get_option('trace_backends'))
2797 ]
2798 tracetool_depends = files(
2799   'scripts/tracetool/backend/log.py',
2800   'scripts/tracetool/backend/__init__.py',
2801   'scripts/tracetool/backend/dtrace.py',
2802   'scripts/tracetool/backend/ftrace.py',
2803   'scripts/tracetool/backend/simple.py',
2804   'scripts/tracetool/backend/syslog.py',
2805   'scripts/tracetool/backend/ust.py',
2806   'scripts/tracetool/format/ust_events_c.py',
2807   'scripts/tracetool/format/ust_events_h.py',
2808   'scripts/tracetool/format/__init__.py',
2809   'scripts/tracetool/format/d.py',
2810   'scripts/tracetool/format/simpletrace_stap.py',
2811   'scripts/tracetool/format/c.py',
2812   'scripts/tracetool/format/h.py',
2813   'scripts/tracetool/format/log_stap.py',
2814   'scripts/tracetool/format/stap.py',
2815   'scripts/tracetool/__init__.py',
2816   'scripts/tracetool/transform.py',
2817   'scripts/tracetool/vcpu.py'
2818 )
2819
2820 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2821                     meson.current_source_dir(),
2822                     get_option('pkgversion'), meson.project_version()]
2823 qemu_version = custom_target('qemu-version.h',
2824                              output: 'qemu-version.h',
2825                              command: qemu_version_cmd,
2826                              capture: true,
2827                              build_by_default: true,
2828                              build_always_stale: true)
2829 genh += qemu_version
2830
2831 hxdep = []
2832 hx_headers = [
2833   ['qemu-options.hx', 'qemu-options.def'],
2834   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2835 ]
2836 if have_system
2837   hx_headers += [
2838     ['hmp-commands.hx', 'hmp-commands.h'],
2839     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2840   ]
2841 endif
2842 foreach d : hx_headers
2843   hxdep += custom_target(d[1],
2844                 input: files(d[0]),
2845                 output: d[1],
2846                 capture: true,
2847                 build_by_default: true, # to be removed when added to a target
2848                 command: [hxtool, '-h', '@INPUT0@'])
2849 endforeach
2850 genh += hxdep
2851
2852 ###################
2853 # Collect sources #
2854 ###################
2855
2856 authz_ss = ss.source_set()
2857 blockdev_ss = ss.source_set()
2858 block_ss = ss.source_set()
2859 chardev_ss = ss.source_set()
2860 common_ss = ss.source_set()
2861 crypto_ss = ss.source_set()
2862 hwcore_ss = ss.source_set()
2863 io_ss = ss.source_set()
2864 qmp_ss = ss.source_set()
2865 qom_ss = ss.source_set()
2866 softmmu_ss = ss.source_set()
2867 specific_fuzz_ss = ss.source_set()
2868 specific_ss = ss.source_set()
2869 stub_ss = ss.source_set()
2870 trace_ss = ss.source_set()
2871 user_ss = ss.source_set()
2872 util_ss = ss.source_set()
2873
2874 # accel modules
2875 qtest_module_ss = ss.source_set()
2876 tcg_module_ss = ss.source_set()
2877
2878 modules = {}
2879 target_modules = {}
2880 hw_arch = {}
2881 target_arch = {}
2882 target_softmmu_arch = {}
2883 target_user_arch = {}
2884
2885 ###############
2886 # Trace files #
2887 ###############
2888
2889 # TODO: add each directory to the subdirs from its own meson.build, once
2890 # we have those
2891 trace_events_subdirs = [
2892   'crypto',
2893   'qapi',
2894   'qom',
2895   'monitor',
2896   'util',
2897   'gdbstub',
2898 ]
2899 if have_linux_user
2900   trace_events_subdirs += [ 'linux-user' ]
2901 endif
2902 if have_bsd_user
2903   trace_events_subdirs += [ 'bsd-user' ]
2904 endif
2905 if have_block
2906   trace_events_subdirs += [
2907     'authz',
2908     'block',
2909     'io',
2910     'nbd',
2911     'scsi',
2912   ]
2913 endif
2914 if have_system
2915   trace_events_subdirs += [
2916     'accel/kvm',
2917     'audio',
2918     'backends',
2919     'backends/tpm',
2920     'chardev',
2921     'ebpf',
2922     'hw/9pfs',
2923     'hw/acpi',
2924     'hw/adc',
2925     'hw/alpha',
2926     'hw/arm',
2927     'hw/audio',
2928     'hw/block',
2929     'hw/block/dataplane',
2930     'hw/char',
2931     'hw/display',
2932     'hw/dma',
2933     'hw/hyperv',
2934     'hw/i2c',
2935     'hw/i386',
2936     'hw/i386/xen',
2937     'hw/ide',
2938     'hw/input',
2939     'hw/intc',
2940     'hw/isa',
2941     'hw/mem',
2942     'hw/mips',
2943     'hw/misc',
2944     'hw/misc/macio',
2945     'hw/net',
2946     'hw/net/can',
2947     'hw/nubus',
2948     'hw/nvme',
2949     'hw/nvram',
2950     'hw/pci',
2951     'hw/pci-host',
2952     'hw/ppc',
2953     'hw/rdma',
2954     'hw/rdma/vmw',
2955     'hw/rtc',
2956     'hw/s390x',
2957     'hw/scsi',
2958     'hw/sd',
2959     'hw/sh4',
2960     'hw/sparc',
2961     'hw/sparc64',
2962     'hw/ssi',
2963     'hw/timer',
2964     'hw/tpm',
2965     'hw/usb',
2966     'hw/vfio',
2967     'hw/virtio',
2968     'hw/watchdog',
2969     'hw/xen',
2970     'hw/gpio',
2971     'migration',
2972     'net',
2973     'softmmu',
2974     'ui',
2975     'hw/remote',
2976   ]
2977 endif
2978 if have_system or have_user
2979   trace_events_subdirs += [
2980     'accel/tcg',
2981     'hw/core',
2982     'target/arm',
2983     'target/arm/hvf',
2984     'target/hppa',
2985     'target/i386',
2986     'target/i386/kvm',
2987     'target/mips/tcg',
2988     'target/nios2',
2989     'target/ppc',
2990     'target/riscv',
2991     'target/s390x',
2992     'target/s390x/kvm',
2993     'target/sparc',
2994   ]
2995 endif
2996
2997 vhost_user = not_found
2998 if targetos == 'linux' and have_vhost_user
2999   libvhost_user = subproject('libvhost-user')
3000   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3001 endif
3002
3003 libvduse = not_found
3004 if have_libvduse
3005   libvduse_proj = subproject('libvduse')
3006   libvduse = libvduse_proj.get_variable('libvduse_dep')
3007 endif
3008
3009 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3010 # that is filled in by qapi/.
3011 subdir('qapi')
3012 subdir('qobject')
3013 subdir('stubs')
3014 subdir('trace')
3015 subdir('util')
3016 subdir('qom')
3017 subdir('authz')
3018 subdir('crypto')
3019 subdir('ui')
3020 subdir('hw')
3021 subdir('gdbstub')
3022
3023
3024 if enable_modules
3025   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3026   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3027 endif
3028
3029 qom_ss = qom_ss.apply(config_host, strict: false)
3030 libqom = static_library('qom', qom_ss.sources() + genh,
3031                         dependencies: [qom_ss.dependencies()],
3032                         name_suffix: 'fa')
3033 qom = declare_dependency(link_whole: libqom)
3034
3035 event_loop_base = files('event-loop-base.c')
3036 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3037                                  build_by_default: true)
3038 event_loop_base = declare_dependency(link_whole: event_loop_base,
3039                                      dependencies: [qom])
3040
3041 stub_ss = stub_ss.apply(config_all, strict: false)
3042
3043 util_ss.add_all(trace_ss)
3044 util_ss = util_ss.apply(config_all, strict: false)
3045 libqemuutil = static_library('qemuutil',
3046                              sources: util_ss.sources() + stub_ss.sources() + genh,
3047                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3048 qemuutil = declare_dependency(link_with: libqemuutil,
3049                               sources: genh + version_res,
3050                               dependencies: [event_loop_base])
3051
3052 if have_system or have_user
3053   decodetree = generator(find_program('scripts/decodetree.py'),
3054                          output: 'decode-@BASENAME@.c.inc',
3055                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3056   subdir('libdecnumber')
3057   subdir('target')
3058 endif
3059
3060 subdir('audio')
3061 subdir('io')
3062 subdir('chardev')
3063 subdir('fsdev')
3064 subdir('dump')
3065
3066 if have_block
3067   block_ss.add(files(
3068     'block.c',
3069     'blockjob.c',
3070     'job.c',
3071     'qemu-io-cmds.c',
3072   ))
3073   if config_host_data.get('CONFIG_REPLICATION')
3074     block_ss.add(files('replication.c'))
3075   endif
3076
3077   subdir('nbd')
3078   subdir('scsi')
3079   subdir('block')
3080
3081   blockdev_ss.add(files(
3082     'blockdev.c',
3083     'blockdev-nbd.c',
3084     'iothread.c',
3085     'job-qmp.c',
3086   ), gnutls)
3087
3088   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3089   # os-win32.c does not
3090   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3091   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3092 endif
3093
3094 common_ss.add(files('cpus-common.c'))
3095
3096 subdir('softmmu')
3097
3098 common_ss.add(capstone)
3099 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3100
3101 # Work around a gcc bug/misfeature wherein constant propagation looks
3102 # through an alias:
3103 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3104 # to guess that a const variable is always zero.  Without lto, this is
3105 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3106 # without lto, not even the alias is required -- we simply use different
3107 # declarations in different compilation units.
3108 pagevary = files('page-vary-common.c')
3109 if get_option('b_lto')
3110   pagevary_flags = ['-fno-lto']
3111   if get_option('cfi')
3112     pagevary_flags += '-fno-sanitize=cfi-icall'
3113   endif
3114   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3115                             c_args: pagevary_flags)
3116   pagevary = declare_dependency(link_with: pagevary)
3117 endif
3118 common_ss.add(pagevary)
3119 specific_ss.add(files('page-vary.c'))
3120
3121 subdir('backends')
3122 subdir('disas')
3123 subdir('migration')
3124 subdir('monitor')
3125 subdir('net')
3126 subdir('replay')
3127 subdir('semihosting')
3128 subdir('tcg')
3129 subdir('fpu')
3130 subdir('accel')
3131 subdir('plugins')
3132 subdir('ebpf')
3133
3134 common_user_inc = []
3135
3136 subdir('common-user')
3137 subdir('bsd-user')
3138 subdir('linux-user')
3139
3140 # needed for fuzzing binaries
3141 subdir('tests/qtest/libqos')
3142 subdir('tests/qtest/fuzz')
3143
3144 # accel modules
3145 tcg_real_module_ss = ss.source_set()
3146 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3147 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3148 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3149                                 'tcg': tcg_real_module_ss }}
3150
3151 ########################
3152 # Library dependencies #
3153 ########################
3154
3155 modinfo_collect = find_program('scripts/modinfo-collect.py')
3156 modinfo_generate = find_program('scripts/modinfo-generate.py')
3157 modinfo_files = []
3158
3159 block_mods = []
3160 softmmu_mods = []
3161 foreach d, list : modules
3162   foreach m, module_ss : list
3163     if enable_modules and targetos != 'windows'
3164       module_ss = module_ss.apply(config_all, strict: false)
3165       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3166                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3167       if d == 'block'
3168         block_mods += sl
3169       else
3170         softmmu_mods += sl
3171       endif
3172       if module_ss.sources() != []
3173         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3174         # input. Sources can be used multiple times but objects are
3175         # unique when it comes to lookup in compile_commands.json.
3176         # Depnds on a mesion version with
3177         # https://github.com/mesonbuild/meson/pull/8900
3178         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3179                                        output: d + '-' + m + '.modinfo',
3180                                        input: module_ss.sources() + genh,
3181                                        capture: true,
3182                                        command: [modinfo_collect, module_ss.sources()])
3183       endif
3184     else
3185       if d == 'block'
3186         block_ss.add_all(module_ss)
3187       else
3188         softmmu_ss.add_all(module_ss)
3189       endif
3190     endif
3191   endforeach
3192 endforeach
3193
3194 foreach d, list : target_modules
3195   foreach m, module_ss : list
3196     if enable_modules and targetos != 'windows'
3197       foreach target : target_dirs
3198         if target.endswith('-softmmu')
3199           config_target = config_target_mak[target]
3200           config_target += config_host
3201           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3202           c_args = ['-DNEED_CPU_H',
3203                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3204                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3205           target_module_ss = module_ss.apply(config_target, strict: false)
3206           if target_module_ss.sources() != []
3207             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3208             sl = static_library(module_name,
3209                                 [genh, target_module_ss.sources()],
3210                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3211                                 include_directories: target_inc,
3212                                 c_args: c_args,
3213                                 pic: true)
3214             softmmu_mods += sl
3215             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3216             modinfo_files += custom_target(module_name + '.modinfo',
3217                                            output: module_name + '.modinfo',
3218                                            input: target_module_ss.sources() + genh,
3219                                            capture: true,
3220                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3221           endif
3222         endif
3223       endforeach
3224     else
3225       specific_ss.add_all(module_ss)
3226     endif
3227   endforeach
3228 endforeach
3229
3230 if enable_modules
3231   foreach target : target_dirs
3232     if target.endswith('-softmmu')
3233       config_target = config_target_mak[target]
3234       config_devices_mak = target + '-config-devices.mak'
3235       modinfo_src = custom_target('modinfo-' + target + '.c',
3236                                   output: 'modinfo-' + target + '.c',
3237                                   input: modinfo_files,
3238                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3239                                   capture: true)
3240
3241       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3242       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3243
3244       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3245       hw_arch[arch].add(modinfo_dep)
3246     endif
3247   endforeach
3248 endif
3249
3250 nm = find_program('nm')
3251 undefsym = find_program('scripts/undefsym.py')
3252 block_syms = custom_target('block.syms', output: 'block.syms',
3253                              input: [libqemuutil, block_mods],
3254                              capture: true,
3255                              command: [undefsym, nm, '@INPUT@'])
3256 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3257                              input: [libqemuutil, softmmu_mods],
3258                              capture: true,
3259                              command: [undefsym, nm, '@INPUT@'])
3260
3261 authz_ss = authz_ss.apply(config_host, strict: false)
3262 libauthz = static_library('authz', authz_ss.sources() + genh,
3263                           dependencies: [authz_ss.dependencies()],
3264                           name_suffix: 'fa',
3265                           build_by_default: false)
3266
3267 authz = declare_dependency(link_whole: libauthz,
3268                            dependencies: qom)
3269
3270 crypto_ss = crypto_ss.apply(config_host, strict: false)
3271 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3272                            dependencies: [crypto_ss.dependencies()],
3273                            name_suffix: 'fa',
3274                            build_by_default: false)
3275
3276 crypto = declare_dependency(link_whole: libcrypto,
3277                             dependencies: [authz, qom])
3278
3279 io_ss = io_ss.apply(config_host, strict: false)
3280 libio = static_library('io', io_ss.sources() + genh,
3281                        dependencies: [io_ss.dependencies()],
3282                        link_with: libqemuutil,
3283                        name_suffix: 'fa',
3284                        build_by_default: false)
3285
3286 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3287
3288 libmigration = static_library('migration', sources: migration_files + genh,
3289                               name_suffix: 'fa',
3290                               build_by_default: false)
3291 migration = declare_dependency(link_with: libmigration,
3292                                dependencies: [zlib, qom, io])
3293 softmmu_ss.add(migration)
3294
3295 block_ss = block_ss.apply(config_host, strict: false)
3296 libblock = static_library('block', block_ss.sources() + genh,
3297                           dependencies: block_ss.dependencies(),
3298                           link_depends: block_syms,
3299                           name_suffix: 'fa',
3300                           build_by_default: false)
3301
3302 block = declare_dependency(link_whole: [libblock],
3303                            link_args: '@block.syms',
3304                            dependencies: [crypto, io])
3305
3306 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3307 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3308                              dependencies: blockdev_ss.dependencies(),
3309                              name_suffix: 'fa',
3310                              build_by_default: false)
3311
3312 blockdev = declare_dependency(link_whole: [libblockdev],
3313                               dependencies: [block, event_loop_base])
3314
3315 qmp_ss = qmp_ss.apply(config_host, strict: false)
3316 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3317                         dependencies: qmp_ss.dependencies(),
3318                         name_suffix: 'fa',
3319                         build_by_default: false)
3320
3321 qmp = declare_dependency(link_whole: [libqmp])
3322
3323 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3324                             name_suffix: 'fa',
3325                             dependencies: chardev_ss.dependencies(),
3326                             build_by_default: false)
3327
3328 chardev = declare_dependency(link_whole: libchardev)
3329
3330 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3331 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3332                            name_suffix: 'fa',
3333                            build_by_default: false)
3334 hwcore = declare_dependency(link_whole: libhwcore)
3335 common_ss.add(hwcore)
3336
3337 ###########
3338 # Targets #
3339 ###########
3340
3341 emulator_modules = []
3342 foreach m : block_mods + softmmu_mods
3343   emulator_modules += shared_module(m.name(),
3344                 build_by_default: true,
3345                 name_prefix: '',
3346                 link_whole: m,
3347                 install: true,
3348                 install_dir: qemu_moddir)
3349 endforeach
3350 if emulator_modules.length() > 0
3351   alias_target('modules', emulator_modules)
3352 endif
3353
3354 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3355 common_ss.add(qom, qemuutil)
3356
3357 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3358 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3359
3360 common_all = common_ss.apply(config_all, strict: false)
3361 common_all = static_library('common',
3362                             build_by_default: false,
3363                             sources: common_all.sources() + genh,
3364                             include_directories: common_user_inc,
3365                             implicit_include_directories: false,
3366                             dependencies: common_all.dependencies(),
3367                             name_suffix: 'fa')
3368
3369 feature_to_c = find_program('scripts/feature_to_c.sh')
3370
3371 if targetos == 'darwin'
3372   entitlement = find_program('scripts/entitlement.sh')
3373 endif
3374
3375 emulators = {}
3376 foreach target : target_dirs
3377   config_target = config_target_mak[target]
3378   target_name = config_target['TARGET_NAME']
3379   target_base_arch = config_target['TARGET_BASE_ARCH']
3380   arch_srcs = [config_target_h[target]]
3381   arch_deps = []
3382   c_args = ['-DNEED_CPU_H',
3383             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3384             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3385   link_args = emulator_link_args
3386
3387   config_target += config_host
3388   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3389   if targetos == 'linux'
3390     target_inc += include_directories('linux-headers', is_system: true)
3391   endif
3392   if target.endswith('-softmmu')
3393     target_type='system'
3394     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3395     arch_srcs += t.sources()
3396     arch_deps += t.dependencies()
3397
3398     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3399     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3400     arch_srcs += hw.sources()
3401     arch_deps += hw.dependencies()
3402
3403     arch_srcs += config_devices_h[target]
3404     link_args += ['@block.syms', '@qemu.syms']
3405   else
3406     abi = config_target['TARGET_ABI_DIR']
3407     target_type='user'
3408     target_inc += common_user_inc
3409     if target_base_arch in target_user_arch
3410       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3411       arch_srcs += t.sources()
3412       arch_deps += t.dependencies()
3413     endif
3414     if 'CONFIG_LINUX_USER' in config_target
3415       base_dir = 'linux-user'
3416     endif
3417     if 'CONFIG_BSD_USER' in config_target
3418       base_dir = 'bsd-user'
3419       target_inc += include_directories('bsd-user/' / targetos)
3420       target_inc += include_directories('bsd-user/host/' / host_arch)
3421       dir = base_dir / abi
3422       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3423     endif
3424     target_inc += include_directories(
3425       base_dir,
3426       base_dir / abi,
3427     )
3428     if 'CONFIG_LINUX_USER' in config_target
3429       dir = base_dir / abi
3430       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3431       if config_target.has_key('TARGET_SYSTBL_ABI')
3432         arch_srcs += \
3433           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3434                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3435       endif
3436     endif
3437   endif
3438
3439   if 'TARGET_XML_FILES' in config_target
3440     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3441                                 output: target + '-gdbstub-xml.c',
3442                                 input: files(config_target['TARGET_XML_FILES'].split()),
3443                                 command: [feature_to_c, '@INPUT@'],
3444                                 capture: true)
3445     arch_srcs += gdbstub_xml
3446   endif
3447
3448   t = target_arch[target_base_arch].apply(config_target, strict: false)
3449   arch_srcs += t.sources()
3450   arch_deps += t.dependencies()
3451
3452   target_common = common_ss.apply(config_target, strict: false)
3453   objects = common_all.extract_objects(target_common.sources())
3454   deps = target_common.dependencies()
3455
3456   target_specific = specific_ss.apply(config_target, strict: false)
3457   arch_srcs += target_specific.sources()
3458   arch_deps += target_specific.dependencies()
3459
3460   lib = static_library('qemu-' + target,
3461                  sources: arch_srcs + genh,
3462                  dependencies: arch_deps,
3463                  objects: objects,
3464                  include_directories: target_inc,
3465                  c_args: c_args,
3466                  build_by_default: false,
3467                  name_suffix: 'fa')
3468
3469   if target.endswith('-softmmu')
3470     execs = [{
3471       'name': 'qemu-system-' + target_name,
3472       'win_subsystem': 'console',
3473       'sources': files('softmmu/main.c'),
3474       'dependencies': []
3475     }]
3476     if targetos == 'windows' and (sdl.found() or gtk.found())
3477       execs += [{
3478         'name': 'qemu-system-' + target_name + 'w',
3479         'win_subsystem': 'windows',
3480         'sources': files('softmmu/main.c'),
3481         'dependencies': []
3482       }]
3483     endif
3484     if get_option('fuzzing')
3485       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3486       execs += [{
3487         'name': 'qemu-fuzz-' + target_name,
3488         'win_subsystem': 'console',
3489         'sources': specific_fuzz.sources(),
3490         'dependencies': specific_fuzz.dependencies(),
3491       }]
3492     endif
3493   else
3494     execs = [{
3495       'name': 'qemu-' + target_name,
3496       'win_subsystem': 'console',
3497       'sources': [],
3498       'dependencies': []
3499     }]
3500   endif
3501   foreach exe: execs
3502     exe_name = exe['name']
3503     if targetos == 'darwin'
3504       exe_name += '-unsigned'
3505     endif
3506
3507     emulator = executable(exe_name, exe['sources'],
3508                install: true,
3509                c_args: c_args,
3510                dependencies: arch_deps + deps + exe['dependencies'],
3511                objects: lib.extract_all_objects(recursive: true),
3512                link_language: link_language,
3513                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3514                link_args: link_args,
3515                win_subsystem: exe['win_subsystem'])
3516
3517     if targetos == 'darwin'
3518       icon = 'pc-bios/qemu.rsrc'
3519       build_input = [emulator, files(icon)]
3520       install_input = [
3521         get_option('bindir') / exe_name,
3522         meson.current_source_dir() / icon
3523       ]
3524       if 'CONFIG_HVF' in config_target
3525         entitlements = 'accel/hvf/entitlements.plist'
3526         build_input += files(entitlements)
3527         install_input += meson.current_source_dir() / entitlements
3528       endif
3529
3530       emulators += {exe['name'] : custom_target(exe['name'],
3531                    input: build_input,
3532                    output: exe['name'],
3533                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3534       }
3535
3536       meson.add_install_script(entitlement, '--install',
3537                                get_option('bindir') / exe['name'],
3538                                install_input)
3539     else
3540       emulators += {exe['name']: emulator}
3541     endif
3542
3543     if stap.found()
3544       foreach stp: [
3545         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3546         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3547         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3548         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3549       ]
3550         custom_target(exe['name'] + stp['ext'],
3551                       input: trace_events_all,
3552                       output: exe['name'] + stp['ext'],
3553                       install: stp['install'],
3554                       install_dir: get_option('datadir') / 'systemtap/tapset',
3555                       command: [
3556                         tracetool, '--group=all', '--format=' + stp['fmt'],
3557                         '--binary=' + stp['bin'],
3558                         '--target-name=' + target_name,
3559                         '--target-type=' + target_type,
3560                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3561                         '@INPUT@', '@OUTPUT@'
3562                       ],
3563                       depend_files: tracetool_depends)
3564       endforeach
3565     endif
3566   endforeach
3567 endforeach
3568
3569 # Other build targets
3570
3571 if 'CONFIG_PLUGIN' in config_host
3572   install_headers('include/qemu/qemu-plugin.h')
3573 endif
3574
3575 subdir('qga')
3576
3577 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3578 # when we don't build tools or system
3579 if xkbcommon.found()
3580   # used for the update-keymaps target, so include rules even if !have_tools
3581   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3582                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3583 endif
3584
3585 if have_tools
3586   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3587              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3588   qemu_io = executable('qemu-io', files('qemu-io.c'),
3589              dependencies: [block, qemuutil], install: true)
3590   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3591                dependencies: [blockdev, qemuutil, gnutls, selinux],
3592                install: true)
3593
3594   subdir('storage-daemon')
3595   subdir('contrib/rdmacm-mux')
3596   subdir('contrib/elf2dmp')
3597
3598   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3599              dependencies: qemuutil,
3600              install: true)
3601
3602   if have_vhost_user
3603     subdir('contrib/vhost-user-blk')
3604     subdir('contrib/vhost-user-gpu')
3605     subdir('contrib/vhost-user-input')
3606     subdir('contrib/vhost-user-scsi')
3607   endif
3608
3609   if targetos == 'linux'
3610     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3611                dependencies: [qemuutil, libcap_ng],
3612                install: true,
3613                install_dir: get_option('libexecdir'))
3614
3615     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3616                dependencies: [authz, crypto, io, qom, qemuutil,
3617                               libcap_ng, mpathpersist],
3618                install: true)
3619   endif
3620
3621   if have_ivshmem
3622     subdir('contrib/ivshmem-client')
3623     subdir('contrib/ivshmem-server')
3624   endif
3625 endif
3626
3627 subdir('scripts')
3628 subdir('tools')
3629 subdir('pc-bios')
3630 subdir('docs')
3631 subdir('tests')
3632 if gtk.found()
3633   subdir('po')
3634 endif
3635
3636 if host_machine.system() == 'windows'
3637   nsis_cmd = [
3638     find_program('scripts/nsis.py'),
3639     '@OUTPUT@',
3640     get_option('prefix'),
3641     meson.current_source_dir(),
3642     config_host['GLIB_BINDIR'],
3643     host_machine.cpu(),
3644     '--',
3645     '-DDISPLAYVERSION=' + meson.project_version(),
3646   ]
3647   if build_docs
3648     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3649   endif
3650   if gtk.found()
3651     nsis_cmd += '-DCONFIG_GTK=y'
3652   endif
3653
3654   nsis = custom_target('nsis',
3655                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3656                        input: files('qemu.nsi'),
3657                        build_always_stale: true,
3658                        command: nsis_cmd + ['@INPUT@'])
3659   alias_target('installer', nsis)
3660 endif
3661
3662 #########################
3663 # Configuration summary #
3664 #########################
3665
3666 # Directories
3667 summary_info = {}
3668 summary_info += {'Install prefix':    get_option('prefix')}
3669 summary_info += {'BIOS directory':    qemu_datadir}
3670 pathsep = targetos == 'windows' ? ';' : ':'
3671 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3672 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3673 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3674 summary_info += {'module directory':  qemu_moddir}
3675 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3676 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3677 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3678 if targetos != 'windows'
3679   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3680   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3681 else
3682   summary_info += {'local state directory': 'queried at runtime'}
3683 endif
3684 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3685 summary_info += {'Build directory':   meson.current_build_dir()}
3686 summary_info += {'Source path':       meson.current_source_dir()}
3687 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3688 summary(summary_info, bool_yn: true, section: 'Directories')
3689
3690 # Host binaries
3691 summary_info = {}
3692 summary_info += {'git':               config_host['GIT']}
3693 summary_info += {'make':              config_host['MAKE']}
3694 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3695 summary_info += {'sphinx-build':      sphinx_build}
3696 if config_host.has_key('HAVE_GDB_BIN')
3697   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3698 endif
3699 summary_info += {'iasl':              iasl}
3700 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3701 if targetos == 'windows' and have_ga
3702   summary_info += {'wixl':            wixl}
3703 endif
3704 if slirp.found() and have_system
3705   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3706 endif
3707 summary(summary_info, bool_yn: true, section: 'Host binaries')
3708
3709 # Configurable features
3710 summary_info = {}
3711 summary_info += {'Documentation':     build_docs}
3712 summary_info += {'system-mode emulation': have_system}
3713 summary_info += {'user-mode emulation': have_user}
3714 summary_info += {'block layer':       have_block}
3715 summary_info += {'Install blobs':     get_option('install_blobs')}
3716 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3717 if config_host.has_key('CONFIG_MODULES')
3718   summary_info += {'alternative module path': get_option('module_upgrades')}
3719 endif
3720 summary_info += {'fuzzing support':   get_option('fuzzing')}
3721 if have_system
3722   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3723 endif
3724 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3725 if 'simple' in get_option('trace_backends')
3726   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3727 endif
3728 summary_info += {'D-Bus display':     dbus_display}
3729 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3730 summary_info += {'vhost-kernel support': have_vhost_kernel}
3731 summary_info += {'vhost-net support': have_vhost_net}
3732 summary_info += {'vhost-user support': have_vhost_user}
3733 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3734 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3735 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3736 summary_info += {'build guest agent': have_ga}
3737 summary(summary_info, bool_yn: true, section: 'Configurable features')
3738
3739 # Compilation information
3740 summary_info = {}
3741 summary_info += {'host CPU':          cpu}
3742 summary_info += {'host endianness':   build_machine.endian()}
3743 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3744 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3745 if link_language == 'cpp'
3746   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3747 else
3748   summary_info += {'C++ compiler':      false}
3749 endif
3750 if targetos == 'darwin'
3751   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3752 endif
3753 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3754                                                + ['-O' + get_option('optimization')]
3755                                                + (get_option('debug') ? ['-g'] : []))}
3756 if link_language == 'cpp'
3757   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3758                                                + ['-O' + get_option('optimization')]
3759                                                + (get_option('debug') ? ['-g'] : []))}
3760 endif
3761 if targetos == 'darwin'
3762   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3763                                                + ['-O' + get_option('optimization')]
3764                                                + (get_option('debug') ? ['-g'] : []))}
3765 endif
3766 link_args = get_option(link_language + '_link_args')
3767 if link_args.length() > 0
3768   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3769 endif
3770 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3771 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3772 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3773 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3774 summary_info += {'profiler':          get_option('profiler')}
3775 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3776 summary_info += {'PIE':               get_option('b_pie')}
3777 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3778 summary_info += {'malloc trim support': has_malloc_trim}
3779 summary_info += {'membarrier':        have_membarrier}
3780 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3781 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3782 summary_info += {'memory allocator':  get_option('malloc')}
3783 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3784 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3785 summary_info += {'gprof enabled':     get_option('gprof')}
3786 summary_info += {'gcov':              get_option('b_coverage')}
3787 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3788 summary_info += {'CFI support':       get_option('cfi')}
3789 if get_option('cfi')
3790   summary_info += {'CFI debug support': get_option('cfi_debug')}
3791 endif
3792 summary_info += {'strip binaries':    get_option('strip')}
3793 summary_info += {'sparse':            sparse}
3794 summary_info += {'mingw32 support':   targetos == 'windows'}
3795 summary(summary_info, bool_yn: true, section: 'Compilation')
3796
3797 # snarf the cross-compilation information for tests
3798 summary_info = {}
3799 have_cross = false
3800 foreach target: target_dirs
3801   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3802   if fs.exists(tcg_mak)
3803     config_cross_tcg = keyval.load(tcg_mak)
3804     if 'CC' in config_cross_tcg
3805       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3806       have_cross = true
3807     endif
3808   endif
3809 endforeach
3810 if have_cross
3811   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3812 endif
3813
3814 # Targets and accelerators
3815 summary_info = {}
3816 if have_system
3817   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3818   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3819   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3820   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3821   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3822   summary_info += {'Xen support':       xen.found()}
3823   if xen.found()
3824     summary_info += {'xen ctrl version':  xen.version()}
3825   endif
3826 endif
3827 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3828 if config_all.has_key('CONFIG_TCG')
3829   if get_option('tcg_interpreter')
3830     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3831   else
3832     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3833   endif
3834   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3835   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3836 endif
3837 summary_info += {'target list':       ' '.join(target_dirs)}
3838 if have_system
3839   summary_info += {'default devices':   get_option('default_devices')}
3840   summary_info += {'out of process emulation': multiprocess_allowed}
3841   summary_info += {'vfio-user server': vfio_user_server_allowed}
3842 endif
3843 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3844
3845 # Block layer
3846 summary_info = {}
3847 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3848 summary_info += {'coroutine pool':    have_coroutine_pool}
3849 if have_block
3850   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3851   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3852   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3853   summary_info += {'VirtFS support':    have_virtfs}
3854   summary_info += {'build virtiofs daemon': have_virtiofsd}
3855   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3856   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3857   summary_info += {'bochs support':     get_option('bochs').allowed()}
3858   summary_info += {'cloop support':     get_option('cloop').allowed()}
3859   summary_info += {'dmg support':       get_option('dmg').allowed()}
3860   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3861   summary_info += {'vdi support':       get_option('vdi').allowed()}
3862   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3863   summary_info += {'qed support':       get_option('qed').allowed()}
3864   summary_info += {'parallels support': get_option('parallels').allowed()}
3865   summary_info += {'FUSE exports':      fuse}
3866   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3867 endif
3868 summary(summary_info, bool_yn: true, section: 'Block layer support')
3869
3870 # Crypto
3871 summary_info = {}
3872 summary_info += {'TLS priority':      get_option('tls_priority')}
3873 summary_info += {'GNUTLS support':    gnutls}
3874 if gnutls.found()
3875   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3876 endif
3877 summary_info += {'libgcrypt':         gcrypt}
3878 summary_info += {'nettle':            nettle}
3879 if nettle.found()
3880    summary_info += {'  XTS':             xts != 'private'}
3881 endif
3882 summary_info += {'AF_ALG support':    have_afalg}
3883 summary_info += {'rng-none':          get_option('rng_none')}
3884 summary_info += {'Linux keyring':     have_keyring}
3885 summary(summary_info, bool_yn: true, section: 'Crypto')
3886
3887 # Libraries
3888 summary_info = {}
3889 if targetos == 'darwin'
3890   summary_info += {'Cocoa support':           cocoa}
3891   summary_info += {'vmnet.framework support': vmnet}
3892 endif
3893 summary_info += {'SDL support':       sdl}
3894 summary_info += {'SDL image support': sdl_image}
3895 summary_info += {'GTK support':       gtk}
3896 summary_info += {'pixman':            pixman}
3897 summary_info += {'VTE support':       vte}
3898 summary_info += {'slirp support':     slirp}
3899 summary_info += {'libtasn1':          tasn1}
3900 summary_info += {'PAM':               pam}
3901 summary_info += {'iconv support':     iconv}
3902 summary_info += {'curses support':    curses}
3903 summary_info += {'virgl support':     virgl}
3904 summary_info += {'blkio support':     blkio}
3905 summary_info += {'curl support':      curl}
3906 summary_info += {'Multipath support': mpathpersist}
3907 summary_info += {'PNG support':       png}
3908 summary_info += {'VNC support':       vnc}
3909 if vnc.found()
3910   summary_info += {'VNC SASL support':  sasl}
3911   summary_info += {'VNC JPEG support':  jpeg}
3912 endif
3913 if targetos not in ['darwin', 'haiku', 'windows']
3914   summary_info += {'OSS support':     oss}
3915   summary_info += {'sndio support':   sndio}
3916 elif targetos == 'darwin'
3917   summary_info += {'CoreAudio support': coreaudio}
3918 elif targetos == 'windows'
3919   summary_info += {'DirectSound support': dsound}
3920 endif
3921 if targetos == 'linux'
3922   summary_info += {'ALSA support':    alsa}
3923   summary_info += {'PulseAudio support': pulse}
3924 endif
3925 summary_info += {'JACK support':      jack}
3926 summary_info += {'brlapi support':    brlapi}
3927 summary_info += {'vde support':       vde}
3928 summary_info += {'netmap support':    have_netmap}
3929 summary_info += {'l2tpv3 support':    have_l2tpv3}
3930 summary_info += {'Linux AIO support': libaio}
3931 summary_info += {'Linux io_uring support': linux_io_uring}
3932 summary_info += {'ATTR/XATTR support': libattr}
3933 summary_info += {'RDMA support':      rdma}
3934 summary_info += {'PVRDMA support':    have_pvrdma}
3935 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3936 summary_info += {'libcap-ng support': libcap_ng}
3937 summary_info += {'bpf support':       libbpf}
3938 summary_info += {'spice protocol support': spice_protocol}
3939 if spice_protocol.found()
3940   summary_info += {'  spice server support': spice}
3941 endif
3942 summary_info += {'rbd support':       rbd}
3943 summary_info += {'smartcard support': cacard}
3944 summary_info += {'U2F support':       u2f}
3945 summary_info += {'libusb':            libusb}
3946 summary_info += {'usb net redir':     usbredir}
3947 summary_info += {'OpenGL support (epoxy)': opengl}
3948 summary_info += {'GBM':               gbm}
3949 summary_info += {'libiscsi support':  libiscsi}
3950 summary_info += {'libnfs support':    libnfs}
3951 if targetos == 'windows'
3952   if have_ga
3953     summary_info += {'QGA VSS support':   have_qga_vss}
3954   endif
3955 endif
3956 summary_info += {'seccomp support':   seccomp}
3957 summary_info += {'GlusterFS support': glusterfs}
3958 summary_info += {'TPM support':       have_tpm}
3959 summary_info += {'libssh support':    libssh}
3960 summary_info += {'lzo support':       lzo}
3961 summary_info += {'snappy support':    snappy}
3962 summary_info += {'bzip2 support':     libbzip2}
3963 summary_info += {'lzfse support':     liblzfse}
3964 summary_info += {'zstd support':      zstd}
3965 summary_info += {'NUMA host support': numa}
3966 summary_info += {'capstone':          capstone}
3967 summary_info += {'libpmem support':   libpmem}
3968 summary_info += {'libdaxctl support': libdaxctl}
3969 summary_info += {'libudev':           libudev}
3970 # Dummy dependency, keep .found()
3971 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3972 summary_info += {'selinux':           selinux}
3973 summary(summary_info, bool_yn: true, section: 'Dependencies')
3974
3975 if not supported_cpus.contains(cpu)
3976   message()
3977   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3978   message()
3979   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3980   message('The QEMU project intends to remove support for this host CPU in')
3981   message('a future release if nobody volunteers to maintain it and to')
3982   message('provide a build host for our continuous integration setup.')
3983   message('configure has succeeded and you can continue to build, but')
3984   message('if you care about QEMU on this platform you should contact')
3985   message('us upstream at qemu-devel@nongnu.org.')
3986 endif
3987
3988 if not supported_oses.contains(targetos)
3989   message()
3990   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3991   message()
3992   message('Host OS ' + targetos + 'support is not currently maintained.')
3993   message('The QEMU project intends to remove support for this host OS in')
3994   message('a future release if nobody volunteers to maintain it and to')
3995   message('provide a build host for our continuous integration setup.')
3996   message('configure has succeeded and you can continue to build, but')
3997   message('if you care about QEMU on this platform you should contact')
3998   message('us upstream at qemu-devel@nongnu.org.')
3999 endif