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 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1250
1251 if not get_option('gtk').auto() or have_system
1252   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1253                    method: 'pkg-config',
1254                    required: get_option('gtk'),
1255                    kwargs: static_kwargs)
1256   if gtk.found()
1257     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1258                         method: 'pkg-config',
1259                         required: false,
1260                         kwargs: static_kwargs)
1261     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1262
1263     if not get_option('vte').auto() or have_system
1264       vte = dependency('vte-2.91',
1265                        method: 'pkg-config',
1266                        required: get_option('vte'),
1267                        kwargs: static_kwargs)
1268     endif
1269   elif have_gtk_clipboard
1270     error('GTK clipboard requested, but GTK not found')
1271   endif
1272 endif
1273
1274 x11 = not_found
1275 if gtkx11.found()
1276   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1277                    kwargs: static_kwargs)
1278 endif
1279 png = not_found
1280 if get_option('png').allowed() and have_system
1281    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1282                     method: 'pkg-config', kwargs: static_kwargs)
1283 endif
1284 vnc = not_found
1285 jpeg = not_found
1286 sasl = not_found
1287 if get_option('vnc').allowed() and have_system
1288   vnc = declare_dependency() # dummy dependency
1289   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1290                     method: 'pkg-config', kwargs: static_kwargs)
1291   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1292                          required: get_option('vnc_sasl'),
1293                          kwargs: static_kwargs)
1294   if sasl.found()
1295     sasl = declare_dependency(dependencies: sasl,
1296                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1297   endif
1298 endif
1299
1300 pam = not_found
1301 if not get_option('auth_pam').auto() or have_system
1302   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1303                         required: get_option('auth_pam'),
1304                         kwargs: static_kwargs)
1305 endif
1306 if pam.found() and not cc.links('''
1307    #include <stddef.h>
1308    #include <security/pam_appl.h>
1309    int main(void) {
1310      const char *service_name = "qemu";
1311      const char *user = "frank";
1312      const struct pam_conv pam_conv = { 0 };
1313      pam_handle_t *pamh = NULL;
1314      pam_start(service_name, user, &pam_conv, &pamh);
1315      return 0;
1316    }''', dependencies: pam)
1317   pam = not_found
1318   if get_option('auth_pam').enabled()
1319     error('could not link libpam')
1320   else
1321     warning('could not link libpam, disabling')
1322   endif
1323 endif
1324
1325 snappy = not_found
1326 if not get_option('snappy').auto() or have_system
1327   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1328                            required: get_option('snappy'),
1329                            kwargs: static_kwargs)
1330 endif
1331 if snappy.found() and not linker.links('''
1332    #include <snappy-c.h>
1333    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1334   snappy = not_found
1335   if get_option('snappy').enabled()
1336     error('could not link libsnappy')
1337   else
1338     warning('could not link libsnappy, disabling')
1339   endif
1340 endif
1341
1342 lzo = not_found
1343 if not get_option('lzo').auto() or have_system
1344   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1345                         required: get_option('lzo'),
1346                         kwargs: static_kwargs)
1347 endif
1348 if lzo.found() and not cc.links('''
1349    #include <lzo/lzo1x.h>
1350    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1351   lzo = not_found
1352   if get_option('lzo').enabled()
1353     error('could not link liblzo2')
1354   else
1355     warning('could not link liblzo2, disabling')
1356   endif
1357 endif
1358
1359 numa = not_found
1360 if not get_option('numa').auto() or have_system or have_tools
1361   numa = cc.find_library('numa', has_headers: ['numa.h'],
1362                               required: get_option('numa'),
1363                               kwargs: static_kwargs)
1364 endif
1365 if numa.found() and not cc.links('''
1366    #include <numa.h>
1367    int main(void) { return numa_available(); }
1368    ''', dependencies: numa)
1369   numa = not_found
1370   if get_option('numa').enabled()
1371     error('could not link numa')
1372   else
1373     warning('could not link numa, disabling')
1374   endif
1375 endif
1376
1377 rdma = not_found
1378 if not get_option('rdma').auto() or have_system
1379   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1380   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1381                                required: get_option('rdma'),
1382                                kwargs: static_kwargs),
1383                cc.find_library('ibverbs', required: get_option('rdma'),
1384                                kwargs: static_kwargs),
1385                libumad]
1386   rdma = declare_dependency(dependencies: rdma_libs)
1387   foreach lib: rdma_libs
1388     if not lib.found()
1389       rdma = not_found
1390     endif
1391   endforeach
1392 endif
1393
1394 xen = not_found
1395 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1396   xencontrol = dependency('xencontrol', required: false,
1397                           method: 'pkg-config', kwargs: static_kwargs)
1398   if xencontrol.found()
1399     xen_pc = declare_dependency(version: xencontrol.version(),
1400       dependencies: [
1401         xencontrol,
1402         # disabler: true makes xen_pc.found() return false if any is not found
1403         dependency('xenstore', required: false,
1404                    method: 'pkg-config', kwargs: static_kwargs,
1405                    disabler: true),
1406         dependency('xenforeignmemory', required: false,
1407                    method: 'pkg-config', kwargs: static_kwargs,
1408                    disabler: true),
1409         dependency('xengnttab', required: false,
1410                    method: 'pkg-config', kwargs: static_kwargs,
1411                    disabler: true),
1412         dependency('xenevtchn', required: false,
1413                    method: 'pkg-config', kwargs: static_kwargs,
1414                    disabler: true),
1415         dependency('xendevicemodel', required: false,
1416                    method: 'pkg-config', kwargs: static_kwargs,
1417                    disabler: true),
1418         # optional, no "disabler: true"
1419         dependency('xentoolcore', required: false,
1420                    method: 'pkg-config', kwargs: static_kwargs)])
1421     if xen_pc.found()
1422       xen = xen_pc
1423     endif
1424   endif
1425   if not xen.found()
1426     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' ]
1427     xen_libs = {
1428       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1429       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1430       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1431       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1432       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433       '4.6.0': [ 'xenstore', 'xenctrl' ],
1434       '4.5.0': [ 'xenstore', 'xenctrl' ],
1435       '4.2.0': [ 'xenstore', 'xenctrl' ],
1436     }
1437     xen_deps = {}
1438     foreach ver: xen_tests
1439       # cache the various library tests to avoid polluting the logs
1440       xen_test_deps = []
1441       foreach l: xen_libs[ver]
1442         if l not in xen_deps
1443           xen_deps += { l: cc.find_library(l, required: false) }
1444         endif
1445         xen_test_deps += xen_deps[l]
1446       endforeach
1447
1448       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1449       xen_version = ver.split('.')
1450       xen_ctrl_version = xen_version[0] + \
1451         ('0' + xen_version[1]).substring(-2) + \
1452         ('0' + xen_version[2]).substring(-2)
1453       if cc.links(files('scripts/xen-detect.c'),
1454                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1455                   dependencies: xen_test_deps)
1456         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1457         break
1458       endif
1459     endforeach
1460   endif
1461   if xen.found()
1462     accelerators += 'CONFIG_XEN'
1463   elif get_option('xen').enabled()
1464     error('could not compile and link Xen test program')
1465   endif
1466 endif
1467 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1468   .require(xen.found(),
1469            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1470   .require(targetos == 'linux',
1471            error_message: 'Xen PCI passthrough not available on this platform') \
1472   .allowed()
1473
1474
1475 cacard = not_found
1476 if not get_option('smartcard').auto() or have_system
1477   cacard = dependency('libcacard', required: get_option('smartcard'),
1478                       version: '>=2.5.1', method: 'pkg-config',
1479                       kwargs: static_kwargs)
1480 endif
1481 u2f = not_found
1482 if have_system
1483   u2f = dependency('u2f-emu', required: get_option('u2f'),
1484                    method: 'pkg-config',
1485                    kwargs: static_kwargs)
1486 endif
1487 canokey = not_found
1488 if have_system
1489   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1490                    method: 'pkg-config',
1491                    kwargs: static_kwargs)
1492 endif
1493 usbredir = not_found
1494 if not get_option('usb_redir').auto() or have_system
1495   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1496                         version: '>=0.6', method: 'pkg-config',
1497                         kwargs: static_kwargs)
1498 endif
1499 libusb = not_found
1500 if not get_option('libusb').auto() or have_system
1501   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1502                       version: '>=1.0.13', method: 'pkg-config',
1503                       kwargs: static_kwargs)
1504 endif
1505
1506 libpmem = not_found
1507 if not get_option('libpmem').auto() or have_system
1508   libpmem = dependency('libpmem', required: get_option('libpmem'),
1509                        method: 'pkg-config', kwargs: static_kwargs)
1510 endif
1511 libdaxctl = not_found
1512 if not get_option('libdaxctl').auto() or have_system
1513   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1514                          version: '>=57', method: 'pkg-config',
1515                          kwargs: static_kwargs)
1516 endif
1517 tasn1 = not_found
1518 if gnutls.found()
1519   tasn1 = dependency('libtasn1',
1520                      method: 'pkg-config',
1521                      kwargs: static_kwargs)
1522 endif
1523 keyutils = dependency('libkeyutils', required: false,
1524                       method: 'pkg-config', kwargs: static_kwargs)
1525
1526 has_gettid = cc.has_function('gettid')
1527
1528 # libselinux
1529 selinux = dependency('libselinux',
1530                      required: get_option('selinux'),
1531                      method: 'pkg-config', kwargs: static_kwargs)
1532
1533 # Malloc tests
1534
1535 malloc = []
1536 if get_option('malloc') == 'system'
1537   has_malloc_trim = \
1538     get_option('malloc_trim').allowed() and \
1539     cc.links('''#include <malloc.h>
1540                 int main(void) { malloc_trim(0); return 0; }''')
1541 else
1542   has_malloc_trim = false
1543   malloc = cc.find_library(get_option('malloc'), required: true)
1544 endif
1545 if not has_malloc_trim and get_option('malloc_trim').enabled()
1546   if get_option('malloc') == 'system'
1547     error('malloc_trim not available on this platform.')
1548   else
1549     error('malloc_trim not available with non-libc memory allocator')
1550   endif
1551 endif
1552
1553 # Check whether the glibc provides statx()
1554
1555 gnu_source_prefix = '''
1556   #ifndef _GNU_SOURCE
1557   #define _GNU_SOURCE
1558   #endif
1559 '''
1560 statx_test = gnu_source_prefix + '''
1561   #include <sys/stat.h>
1562   int main(void) {
1563     struct statx statxbuf;
1564     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1565     return 0;
1566   }'''
1567
1568 has_statx = cc.links(statx_test)
1569
1570 # Check whether statx() provides mount ID information
1571
1572 statx_mnt_id_test = gnu_source_prefix + '''
1573   #include <sys/stat.h>
1574   int main(void) {
1575     struct statx statxbuf;
1576     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1577     return statxbuf.stx_mnt_id;
1578   }'''
1579
1580 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1581
1582 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1583   .require(targetos == 'linux',
1584            error_message: 'vhost_user_blk_server requires linux') \
1585   .require(have_vhost_user,
1586            error_message: 'vhost_user_blk_server requires vhost-user support') \
1587   .disable_auto_if(not have_tools and not have_system) \
1588   .allowed()
1589
1590 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1591   error('Cannot enable fuse-lseek while fuse is disabled')
1592 endif
1593
1594 fuse = dependency('fuse3', required: get_option('fuse'),
1595                   version: '>=3.1', method: 'pkg-config',
1596                   kwargs: static_kwargs)
1597
1598 fuse_lseek = not_found
1599 if get_option('fuse_lseek').allowed()
1600   if fuse.version().version_compare('>=3.8')
1601     # Dummy dependency
1602     fuse_lseek = declare_dependency()
1603   elif get_option('fuse_lseek').enabled()
1604     if fuse.found()
1605       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1606     else
1607       error('fuse-lseek requires libfuse, which was not found')
1608     endif
1609   endif
1610 endif
1611
1612 have_libvduse = (targetos == 'linux')
1613 if get_option('libvduse').enabled()
1614     if targetos != 'linux'
1615         error('libvduse requires linux')
1616     endif
1617 elif get_option('libvduse').disabled()
1618     have_libvduse = false
1619 endif
1620
1621 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1622 if get_option('vduse_blk_export').enabled()
1623     if targetos != 'linux'
1624         error('vduse_blk_export requires linux')
1625     elif not have_libvduse
1626         error('vduse_blk_export requires libvduse support')
1627     endif
1628 elif get_option('vduse_blk_export').disabled()
1629     have_vduse_blk_export = false
1630 endif
1631
1632 # libbpf
1633 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1634 if libbpf.found() and not cc.links('''
1635    #include <bpf/libbpf.h>
1636    int main(void)
1637    {
1638      bpf_object__destroy_skeleton(NULL);
1639      return 0;
1640    }''', dependencies: libbpf)
1641   libbpf = not_found
1642   if get_option('bpf').enabled()
1643     error('libbpf skeleton test failed')
1644   else
1645     warning('libbpf skeleton test failed, disabling')
1646   endif
1647 endif
1648
1649 #################
1650 # config-host.h #
1651 #################
1652
1653 audio_drivers_selected = []
1654 if have_system
1655   audio_drivers_available = {
1656     'alsa': alsa.found(),
1657     'coreaudio': coreaudio.found(),
1658     'dsound': dsound.found(),
1659     'jack': jack.found(),
1660     'oss': oss.found(),
1661     'pa': pulse.found(),
1662     'sdl': sdl.found(),
1663     'sndio': sndio.found(),
1664   }
1665   foreach k, v: audio_drivers_available
1666     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1667   endforeach
1668
1669   # Default to native drivers first, OSS second, SDL third
1670   audio_drivers_priority = \
1671     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1672     (targetos == 'linux' ? [] : [ 'sdl' ])
1673   audio_drivers_default = []
1674   foreach k: audio_drivers_priority
1675     if audio_drivers_available[k]
1676       audio_drivers_default += k
1677     endif
1678   endforeach
1679
1680   foreach k: get_option('audio_drv_list')
1681     if k == 'default'
1682       audio_drivers_selected += audio_drivers_default
1683     elif not audio_drivers_available[k]
1684       error('Audio driver "@0@" not available.'.format(k))
1685     else
1686       audio_drivers_selected += k
1687     endif
1688   endforeach
1689 endif
1690 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1691                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1692
1693 if get_option('cfi')
1694   cfi_flags=[]
1695   # Check for dependency on LTO
1696   if not get_option('b_lto')
1697     error('Selected Control-Flow Integrity but LTO is disabled')
1698   endif
1699   if config_host.has_key('CONFIG_MODULES')
1700     error('Selected Control-Flow Integrity is not compatible with modules')
1701   endif
1702   # Check for cfi flags. CFI requires LTO so we can't use
1703   # get_supported_arguments, but need a more complex "compiles" which allows
1704   # custom arguments
1705   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1706                  args: ['-flto', '-fsanitize=cfi-icall'] )
1707     cfi_flags += '-fsanitize=cfi-icall'
1708   else
1709     error('-fsanitize=cfi-icall is not supported by the compiler')
1710   endif
1711   if cc.compiles('int main () { return 0; }',
1712                  name: '-fsanitize-cfi-icall-generalize-pointers',
1713                  args: ['-flto', '-fsanitize=cfi-icall',
1714                         '-fsanitize-cfi-icall-generalize-pointers'] )
1715     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1716   else
1717     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1718   endif
1719   if get_option('cfi_debug')
1720     if cc.compiles('int main () { return 0; }',
1721                    name: '-fno-sanitize-trap=cfi-icall',
1722                    args: ['-flto', '-fsanitize=cfi-icall',
1723                           '-fno-sanitize-trap=cfi-icall'] )
1724       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1725     else
1726       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1727     endif
1728   endif
1729   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1730   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1731 endif
1732
1733 have_host_block_device = (targetos != 'darwin' or
1734     cc.has_header('IOKit/storage/IOMedia.h'))
1735
1736 dbus_display = get_option('dbus_display') \
1737   .require(gio.version().version_compare('>=2.64'),
1738            error_message: '-display dbus requires glib>=2.64') \
1739   .require(gdbus_codegen.found(),
1740            error_message: gdbus_codegen_error.format('-display dbus')) \
1741   .require(opengl.found() and gbm.found(),
1742            error_message: '-display dbus requires epoxy/egl and gbm') \
1743   .allowed()
1744
1745 have_virtfs = get_option('virtfs') \
1746     .require(targetos == 'linux' or targetos == 'darwin',
1747              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1748     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1749              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1750     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1751              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1752     .disable_auto_if(not have_tools and not have_system) \
1753     .allowed()
1754
1755 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1756
1757 if get_option('block_drv_ro_whitelist') == ''
1758   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1759 else
1760   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1761         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1762 endif
1763 if get_option('block_drv_rw_whitelist') == ''
1764   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1765 else
1766   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1767         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1768 endif
1769
1770 foreach k : get_option('trace_backends')
1771   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1772 endforeach
1773 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1774 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1775 if iasl.found()
1776   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1777 endif
1778 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1779 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1780 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1781 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1782 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1783
1784 qemu_firmwarepath = ''
1785 foreach k : get_option('qemu_firmwarepath')
1786   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1787 endforeach
1788 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1789
1790 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1791 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1792 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1793 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1794 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1795 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1796
1797 if config_host.has_key('CONFIG_MODULES')
1798   config_host_data.set('CONFIG_STAMP', run_command(
1799       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1800       meson.project_version(), get_option('pkgversion'), '--',
1801       meson.current_source_dir() / 'configure',
1802       capture: true, check: true).stdout().strip())
1803 endif
1804
1805 have_slirp_smbd = get_option('slirp_smbd') \
1806   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1807   .allowed()
1808 if have_slirp_smbd
1809   smbd_path = get_option('smbd')
1810   if smbd_path == ''
1811     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1812   endif
1813   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1814 endif
1815
1816 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1817
1818 if get_option('module_upgrades') and not enable_modules
1819   error('Cannot enable module-upgrades as modules are not enabled')
1820 endif
1821 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1822
1823 config_host_data.set('CONFIG_ATTR', libattr.found())
1824 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1825 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1826 config_host_data.set('CONFIG_COCOA', cocoa.found())
1827 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1828 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1829 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1830 config_host_data.set('CONFIG_LZO', lzo.found())
1831 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1832 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1833 config_host_data.set('CONFIG_BLKIO', blkio.found())
1834 config_host_data.set('CONFIG_CURL', curl.found())
1835 config_host_data.set('CONFIG_CURSES', curses.found())
1836 config_host_data.set('CONFIG_GBM', gbm.found())
1837 config_host_data.set('CONFIG_GIO', gio.found())
1838 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1839 if glusterfs.found()
1840   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1841   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1842   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1843   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1844   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1845   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1846 endif
1847 config_host_data.set('CONFIG_GTK', gtk.found())
1848 config_host_data.set('CONFIG_VTE', vte.found())
1849 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1850 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1851 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1852 config_host_data.set('CONFIG_EBPF', libbpf.found())
1853 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1854 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1855 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1856 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1857 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1858 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1859 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1860 config_host_data.set('CONFIG_NUMA', numa.found())
1861 config_host_data.set('CONFIG_OPENGL', opengl.found())
1862 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1863 config_host_data.set('CONFIG_RBD', rbd.found())
1864 config_host_data.set('CONFIG_RDMA', rdma.found())
1865 config_host_data.set('CONFIG_SDL', sdl.found())
1866 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1867 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1868 if seccomp.found()
1869   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1870 endif
1871 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1872 config_host_data.set('CONFIG_TPM', have_tpm)
1873 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1874 config_host_data.set('CONFIG_VDE', vde.found())
1875 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1876 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1877 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1878 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1879 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1880 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1881 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1882 config_host_data.set('CONFIG_VMNET', vmnet.found())
1883 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1884 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1885 config_host_data.set('CONFIG_PNG', png.found())
1886 config_host_data.set('CONFIG_VNC', vnc.found())
1887 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1888 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1889 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1890 config_host_data.set('CONFIG_VTE', vte.found())
1891 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1892 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1893 config_host_data.set('CONFIG_GETTID', has_gettid)
1894 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1895 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1896 config_host_data.set('CONFIG_TASN1', tasn1.found())
1897 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1898 config_host_data.set('CONFIG_NETTLE', nettle.found())
1899 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1900 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1901 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1902 config_host_data.set('CONFIG_STATX', has_statx)
1903 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1904 config_host_data.set('CONFIG_ZSTD', zstd.found())
1905 config_host_data.set('CONFIG_FUSE', fuse.found())
1906 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1907 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1908 if spice_protocol.found()
1909 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1910 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1911 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1912 endif
1913 config_host_data.set('CONFIG_SPICE', spice.found())
1914 config_host_data.set('CONFIG_X11', x11.found())
1915 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1916 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1917 config_host_data.set('CONFIG_SELINUX', selinux.found())
1918 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1919 if xen.found()
1920   # protect from xen.version() having less than three components
1921   xen_version = xen.version().split('.') + ['0', '0']
1922   xen_ctrl_version = xen_version[0] + \
1923     ('0' + xen_version[1]).substring(-2) + \
1924     ('0' + xen_version[2]).substring(-2)
1925   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1926 endif
1927 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1928 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1929 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1930 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1931
1932 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1933 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1934
1935 have_coroutine_pool = get_option('coroutine_pool')
1936 if get_option('debug_stack_usage') and have_coroutine_pool
1937   message('Disabling coroutine pool to measure stack usage')
1938   have_coroutine_pool = false
1939 endif
1940 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1941 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1942 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1943 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1944 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1945 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1946 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1947
1948 # has_header
1949 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1950 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1951 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1952 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1953 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1954 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1955 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1956 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1957 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1958 if targetos == 'windows'
1959   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1960 endif
1961
1962 # has_function
1963 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1964 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1965 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1966 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1967 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1968 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1969 # Note that we need to specify prefix: here to avoid incorrectly
1970 # thinking that Windows has posix_memalign()
1971 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1972 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1973 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1974 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1975 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1976 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1977 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1978 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1979 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1980 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1981 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1982 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1983 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1984 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1985 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1986 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1987 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1988 if rbd.found()
1989   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1990                        cc.has_function('rbd_namespace_exists',
1991                                        dependencies: rbd,
1992                                        prefix: '#include <rbd/librbd.h>'))
1993 endif
1994 if rdma.found()
1995   config_host_data.set('HAVE_IBV_ADVISE_MR',
1996                        cc.has_function('ibv_advise_mr',
1997                                        dependencies: rdma,
1998                                        prefix: '#include <infiniband/verbs.h>'))
1999 endif
2000
2001 # has_header_symbol
2002 config_host_data.set('CONFIG_BYTESWAP_H',
2003                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
2004 config_host_data.set('CONFIG_EPOLL_CREATE1',
2005                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2006 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2007                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2008                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2009 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2010                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2011 config_host_data.set('CONFIG_FIEMAP',
2012                      cc.has_header('linux/fiemap.h') and
2013                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2014 config_host_data.set('CONFIG_GETRANDOM',
2015                      cc.has_function('getrandom') and
2016                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2017 config_host_data.set('CONFIG_INOTIFY',
2018                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2019 config_host_data.set('CONFIG_INOTIFY1',
2020                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2021 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2022                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2023                                           prefix: '''#include <sys/endian.h>
2024                                                      #include <sys/types.h>'''))
2025 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2026                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2027 config_host_data.set('CONFIG_RTNETLINK',
2028                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2029 config_host_data.set('CONFIG_SYSMACROS',
2030                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2031 config_host_data.set('HAVE_OPTRESET',
2032                      cc.has_header_symbol('getopt.h', 'optreset'))
2033 config_host_data.set('HAVE_IPPROTO_MPTCP',
2034                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2035 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2036                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2037
2038 # has_member
2039 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2040                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2041                                    prefix: '#include <signal.h>'))
2042 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2043                      cc.has_member('struct stat', 'st_atim',
2044                                    prefix: '#include <sys/stat.h>'))
2045
2046 # has_type
2047 config_host_data.set('CONFIG_IOVEC',
2048                      cc.has_type('struct iovec',
2049                                  prefix: '#include <sys/uio.h>'))
2050 config_host_data.set('HAVE_UTMPX',
2051                      cc.has_type('struct utmpx',
2052                                  prefix: '#include <utmpx.h>'))
2053
2054 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2055   #include <sys/eventfd.h>
2056   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2057 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2058   #include <unistd.h>
2059   int main(void) {
2060   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2061   return fdatasync(0);
2062   #else
2063   #error Not supported
2064   #endif
2065   }'''))
2066
2067 has_madvise = cc.links(gnu_source_prefix + '''
2068   #include <sys/types.h>
2069   #include <sys/mman.h>
2070   #include <stddef.h>
2071   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2072 missing_madvise_proto = false
2073 if has_madvise
2074   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2075   # but forget to prototype it. In this case, has_madvise will be true (the
2076   # test program links despite a compile warning). To detect the
2077   # missing-prototype case, we try again with a definitely-bogus prototype.
2078   # This will only compile if the system headers don't provide the prototype;
2079   # otherwise the conflicting prototypes will cause a compiler error.
2080   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2081     #include <sys/types.h>
2082     #include <sys/mman.h>
2083     #include <stddef.h>
2084     extern int madvise(int);
2085     int main(void) { return madvise(0); }''')
2086 endif
2087 config_host_data.set('CONFIG_MADVISE', has_madvise)
2088 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2089
2090 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2091   #include <sys/mman.h>
2092   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2093 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2094   #include <fcntl.h>
2095   #if !defined(AT_EMPTY_PATH)
2096   # error missing definition
2097   #else
2098   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2099   #endif'''))
2100 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2101   #include <sys/mman.h>
2102   #include <stddef.h>
2103   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2104
2105 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2106   #include <pthread.h>
2107
2108   static void *f(void *p) { return NULL; }
2109   int main(void)
2110   {
2111     pthread_t thread;
2112     pthread_create(&thread, 0, f, 0);
2113     pthread_setname_np(thread, "QEMU");
2114     return 0;
2115   }''', dependencies: threads))
2116 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2117   #include <pthread.h>
2118
2119   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2120   int main(void)
2121   {
2122     pthread_t thread;
2123     pthread_create(&thread, 0, f, 0);
2124     return 0;
2125   }''', dependencies: threads))
2126 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2127   #include <pthread.h>
2128   #include <time.h>
2129
2130   int main(void)
2131   {
2132     pthread_condattr_t attr
2133     pthread_condattr_init(&attr);
2134     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2135     return 0;
2136   }''', dependencies: threads))
2137 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2138   #include <pthread.h>
2139
2140   static void *f(void *p) { return NULL; }
2141   int main(void)
2142   {
2143     int setsize = CPU_ALLOC_SIZE(64);
2144     pthread_t thread;
2145     cpu_set_t *cpuset;
2146     pthread_create(&thread, 0, f, 0);
2147     cpuset = CPU_ALLOC(64);
2148     CPU_ZERO_S(setsize, cpuset);
2149     pthread_setaffinity_np(thread, setsize, cpuset);
2150     pthread_getaffinity_np(thread, setsize, cpuset);
2151     CPU_FREE(cpuset);
2152     return 0;
2153   }''', dependencies: threads))
2154 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2155   #include <sys/signalfd.h>
2156   #include <stddef.h>
2157   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2158 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2159   #include <unistd.h>
2160   #include <fcntl.h>
2161   #include <limits.h>
2162
2163   int main(void)
2164   {
2165     int len, fd = 0;
2166     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2167     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2168     return 0;
2169   }'''))
2170
2171 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2172   #include <sys/mman.h>
2173   int main(void) {
2174     return mlockall(MCL_FUTURE);
2175   }'''))
2176
2177 have_l2tpv3 = false
2178 if get_option('l2tpv3').allowed() and have_system
2179   have_l2tpv3 = cc.has_type('struct mmsghdr',
2180     prefix: gnu_source_prefix + '''
2181       #include <sys/socket.h>
2182       #include <linux/ip.h>''')
2183 endif
2184 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2185
2186 have_netmap = false
2187 if get_option('netmap').allowed() and have_system
2188   have_netmap = cc.compiles('''
2189     #include <inttypes.h>
2190     #include <net/if.h>
2191     #include <net/netmap.h>
2192     #include <net/netmap_user.h>
2193     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2194     #error
2195     #endif
2196     int main(void) { return 0; }''')
2197   if not have_netmap and get_option('netmap').enabled()
2198     error('Netmap headers not available')
2199   endif
2200 endif
2201 config_host_data.set('CONFIG_NETMAP', have_netmap)
2202
2203 # Work around a system header bug with some kernel/XFS header
2204 # versions where they both try to define 'struct fsxattr':
2205 # xfs headers will not try to redefine structs from linux headers
2206 # if this macro is set.
2207 config_host_data.set('HAVE_FSXATTR', cc.links('''
2208   #include <linux/fs.h>
2209   struct fsxattr foo;
2210   int main(void) {
2211     return 0;
2212   }'''))
2213
2214 # Some versions of Mac OS X incorrectly define SIZE_MAX
2215 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2216     #include <stdint.h>
2217     #include <stdio.h>
2218     int main(void) {
2219         return printf("%zu", SIZE_MAX);
2220     }''', args: ['-Werror']))
2221
2222 atomic_test = '''
2223   #include <stdint.h>
2224   int main(void)
2225   {
2226     @0@ x = 0, y = 0;
2227     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2228     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2229     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2230     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2231     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2232     return 0;
2233   }'''
2234
2235 # See if 64-bit atomic operations are supported.
2236 # Note that without __atomic builtins, we can only
2237 # assume atomic loads/stores max at pointer size.
2238 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2239
2240 has_int128 = cc.links('''
2241   __int128_t a;
2242   __uint128_t b;
2243   int main (void) {
2244     a = a + b;
2245     b = a * b;
2246     a = a * a;
2247     return 0;
2248   }''')
2249
2250 config_host_data.set('CONFIG_INT128', has_int128)
2251
2252 if has_int128
2253   # "do we have 128-bit atomics which are handled inline and specifically not
2254   # via libatomic". The reason we can't use libatomic is documented in the
2255   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2256   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2257
2258   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2259
2260   if not has_atomic128
2261     has_cmpxchg128 = cc.links('''
2262       int main(void)
2263       {
2264         unsigned __int128 x = 0, y = 0;
2265         __sync_val_compare_and_swap_16(&x, y, x);
2266         return 0;
2267       }
2268     ''')
2269
2270     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2271   endif
2272 endif
2273
2274 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2275   #include <sys/auxv.h>
2276   int main(void) {
2277     return getauxval(AT_HWCAP) == 0;
2278   }'''))
2279
2280 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2281   #include <linux/usbdevice_fs.h>
2282
2283   #ifndef USBDEVFS_GET_CAPABILITIES
2284   #error "USBDEVFS_GET_CAPABILITIES undefined"
2285   #endif
2286
2287   #ifndef USBDEVFS_DISCONNECT_CLAIM
2288   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2289   #endif
2290
2291   int main(void) { return 0; }'''))
2292
2293 have_keyring = get_option('keyring') \
2294   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2295   .require(cc.compiles('''
2296     #include <errno.h>
2297     #include <asm/unistd.h>
2298     #include <linux/keyctl.h>
2299     #include <sys/syscall.h>
2300     #include <unistd.h>
2301     int main(void) {
2302         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2303     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2304 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2305
2306 have_cpuid_h = cc.links('''
2307   #include <cpuid.h>
2308   int main(void) {
2309     unsigned a, b, c, d;
2310     unsigned max = __get_cpuid_max(0, 0);
2311
2312     if (max >= 1) {
2313         __cpuid(1, a, b, c, d);
2314     }
2315
2316     if (max >= 7) {
2317         __cpuid_count(7, 0, a, b, c, d);
2318     }
2319
2320     return 0;
2321   }''')
2322 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2323
2324 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2325   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2326   .require(cc.links('''
2327     #pragma GCC push_options
2328     #pragma GCC target("avx2")
2329     #include <cpuid.h>
2330     #include <immintrin.h>
2331     static int bar(void *a) {
2332       __m256i x = *(__m256i *)a;
2333       return _mm256_testz_si256(x, x);
2334     }
2335     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2336   '''), error_message: 'AVX2 not available').allowed())
2337
2338 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2339   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2340   .require(cc.links('''
2341     #pragma GCC push_options
2342     #pragma GCC target("avx512f")
2343     #include <cpuid.h>
2344     #include <immintrin.h>
2345     static int bar(void *a) {
2346       __m512i x = *(__m512i *)a;
2347       return _mm512_test_epi64_mask(x, x);
2348     }
2349     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2350   '''), error_message: 'AVX512F not available').allowed())
2351
2352 have_pvrdma = get_option('pvrdma') \
2353   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2354   .require(cc.compiles(gnu_source_prefix + '''
2355     #include <sys/mman.h>
2356     int main(void)
2357     {
2358       char buf = 0;
2359       void *addr = &buf;
2360       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2361
2362       return 0;
2363     }'''), error_message: 'PVRDMA requires mremap').allowed()
2364
2365 if have_pvrdma
2366   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2367     #include <infiniband/verbs.h>
2368     int main(void)
2369     {
2370       struct ibv_mr *mr;
2371       struct ibv_pd *pd = NULL;
2372       size_t length = 10;
2373       uint64_t iova = 0;
2374       int access = 0;
2375       void *addr = NULL;
2376
2377       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2378       ibv_dereg_mr(mr);
2379       return 0;
2380     }'''))
2381 endif
2382
2383 if get_option('membarrier').disabled()
2384   have_membarrier = false
2385 elif targetos == 'windows'
2386   have_membarrier = true
2387 elif targetos == 'linux'
2388   have_membarrier = cc.compiles('''
2389     #include <linux/membarrier.h>
2390     #include <sys/syscall.h>
2391     #include <unistd.h>
2392     #include <stdlib.h>
2393     int main(void) {
2394         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2395         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2396         exit(0);
2397     }''')
2398 endif
2399 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2400   .require(have_membarrier, error_message: 'membarrier system call not available') \
2401   .allowed())
2402
2403 have_afalg = get_option('crypto_afalg') \
2404   .require(cc.compiles(gnu_source_prefix + '''
2405     #include <errno.h>
2406     #include <sys/types.h>
2407     #include <sys/socket.h>
2408     #include <linux/if_alg.h>
2409     int main(void) {
2410       int sock;
2411       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2412       return sock;
2413     }
2414   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2415 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2416
2417 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2418   'linux/vm_sockets.h', 'AF_VSOCK',
2419   prefix: '#include <sys/socket.h>',
2420 ))
2421
2422 have_vss = false
2423 have_vss_sdk = false # old xp/2003 SDK
2424 if targetos == 'windows' and link_language == 'cpp'
2425   have_vss = cxx.compiles('''
2426     #define __MIDL_user_allocate_free_DEFINED__
2427     #include <vss.h>
2428     int main(void) { return VSS_CTX_BACKUP; }''')
2429   have_vss_sdk = cxx.has_header('vscoordint.h')
2430 endif
2431 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2432
2433 foreach k, v: config_host
2434   if k.startswith('CONFIG_')
2435     config_host_data.set(k, v == 'y' ? 1 : v)
2436   endif
2437 endforeach
2438
2439 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2440 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2441 if targetos == 'windows'
2442   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2443     #include <stdio.h>
2444     int main(void) {
2445       _lock_file(NULL);
2446       _unlock_file(NULL);
2447       return 0;
2448     }''', name: '_lock_file and _unlock_file'))
2449 endif
2450
2451 ########################
2452 # Target configuration #
2453 ########################
2454
2455 minikconf = find_program('scripts/minikconf.py')
2456 config_all = {}
2457 config_all_devices = {}
2458 config_all_disas = {}
2459 config_devices_mak_list = []
2460 config_devices_h = {}
2461 config_target_h = {}
2462 config_target_mak = {}
2463
2464 disassemblers = {
2465   'alpha' : ['CONFIG_ALPHA_DIS'],
2466   'avr' : ['CONFIG_AVR_DIS'],
2467   'cris' : ['CONFIG_CRIS_DIS'],
2468   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2469   'hppa' : ['CONFIG_HPPA_DIS'],
2470   'i386' : ['CONFIG_I386_DIS'],
2471   'x86_64' : ['CONFIG_I386_DIS'],
2472   'm68k' : ['CONFIG_M68K_DIS'],
2473   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2474   'mips' : ['CONFIG_MIPS_DIS'],
2475   'nios2' : ['CONFIG_NIOS2_DIS'],
2476   'or1k' : ['CONFIG_OPENRISC_DIS'],
2477   'ppc' : ['CONFIG_PPC_DIS'],
2478   'riscv' : ['CONFIG_RISCV_DIS'],
2479   'rx' : ['CONFIG_RX_DIS'],
2480   's390' : ['CONFIG_S390_DIS'],
2481   'sh4' : ['CONFIG_SH4_DIS'],
2482   'sparc' : ['CONFIG_SPARC_DIS'],
2483   'xtensa' : ['CONFIG_XTENSA_DIS'],
2484   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2485 }
2486 if link_language == 'cpp'
2487   disassemblers += {
2488     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2489   }
2490 endif
2491
2492 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2493 host_kconfig = \
2494   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2495   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2496   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2497   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2498   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2499   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2500   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2501   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2502   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2503   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2504   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2505   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2506   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2507   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2508
2509 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2510
2511 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2512 actual_target_dirs = []
2513 fdt_required = []
2514 foreach target : target_dirs
2515   config_target = { 'TARGET_NAME': target.split('-')[0] }
2516   if target.endswith('linux-user')
2517     if targetos != 'linux'
2518       if default_targets
2519         continue
2520       endif
2521       error('Target @0@ is only available on a Linux host'.format(target))
2522     endif
2523     config_target += { 'CONFIG_LINUX_USER': 'y' }
2524   elif target.endswith('bsd-user')
2525     if 'CONFIG_BSD' not in config_host
2526       if default_targets
2527         continue
2528       endif
2529       error('Target @0@ is only available on a BSD host'.format(target))
2530     endif
2531     config_target += { 'CONFIG_BSD_USER': 'y' }
2532   elif target.endswith('softmmu')
2533     config_target += { 'CONFIG_SOFTMMU': 'y' }
2534   endif
2535   if target.endswith('-user')
2536     config_target += {
2537       'CONFIG_USER_ONLY': 'y',
2538       'CONFIG_QEMU_INTERP_PREFIX':
2539         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2540     }
2541   endif
2542
2543   accel_kconfig = []
2544   foreach sym: accelerators
2545     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2546       config_target += { sym: 'y' }
2547       config_all += { sym: 'y' }
2548       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
2549         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
2550       endif
2551       if target in modular_tcg
2552         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2553       else
2554         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2555       endif
2556       accel_kconfig += [ sym + '=y' ]
2557     endif
2558   endforeach
2559   if accel_kconfig.length() == 0
2560     if default_targets
2561       continue
2562     endif
2563     error('No accelerator available for target @0@'.format(target))
2564   endif
2565
2566   actual_target_dirs += target
2567   config_target += keyval.load('configs/targets' / target + '.mak')
2568   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2569
2570   if 'TARGET_NEED_FDT' in config_target
2571     fdt_required += target
2572   endif
2573
2574   # Add default keys
2575   if 'TARGET_BASE_ARCH' not in config_target
2576     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2577   endif
2578   if 'TARGET_ABI_DIR' not in config_target
2579     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2580   endif
2581   if 'TARGET_BIG_ENDIAN' not in config_target
2582     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2583   endif
2584
2585   foreach k, v: disassemblers
2586     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2587       foreach sym: v
2588         config_target += { sym: 'y' }
2589         config_all_disas += { sym: 'y' }
2590       endforeach
2591     endif
2592   endforeach
2593
2594   config_target_data = configuration_data()
2595   foreach k, v: config_target
2596     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2597       # do nothing
2598     elif ignored.contains(k)
2599       # do nothing
2600     elif k == 'TARGET_BASE_ARCH'
2601       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2602       # not used to select files from sourcesets.
2603       config_target_data.set('TARGET_' + v.to_upper(), 1)
2604     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2605       config_target_data.set_quoted(k, v)
2606     elif v == 'y'
2607       config_target_data.set(k, 1)
2608     elif v == 'n'
2609       config_target_data.set(k, 0)
2610     else
2611       config_target_data.set(k, v)
2612     endif
2613   endforeach
2614   config_target_data.set('QEMU_ARCH',
2615                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2616   config_target_h += {target: configure_file(output: target + '-config-target.h',
2617                                                configuration: config_target_data)}
2618
2619   if target.endswith('-softmmu')
2620     config_input = meson.get_external_property(target, 'default')
2621     config_devices_mak = target + '-config-devices.mak'
2622     config_devices_mak = configure_file(
2623       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2624       output: config_devices_mak,
2625       depfile: config_devices_mak + '.d',
2626       capture: true,
2627       command: [minikconf,
2628                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2629                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2630                 host_kconfig, accel_kconfig,
2631                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2632
2633     config_devices_data = configuration_data()
2634     config_devices = keyval.load(config_devices_mak)
2635     foreach k, v: config_devices
2636       config_devices_data.set(k, 1)
2637     endforeach
2638     config_devices_mak_list += config_devices_mak
2639     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2640                                                 configuration: config_devices_data)}
2641     config_target += config_devices
2642     config_all_devices += config_devices
2643   endif
2644   config_target_mak += {target: config_target}
2645 endforeach
2646 target_dirs = actual_target_dirs
2647
2648 # This configuration is used to build files that are shared by
2649 # multiple binaries, and then extracted out of the "common"
2650 # static_library target.
2651 #
2652 # We do not use all_sources()/all_dependencies(), because it would
2653 # build literally all source files, including devices only used by
2654 # targets that are not built for this compilation.  The CONFIG_ALL
2655 # pseudo symbol replaces it.
2656
2657 config_all += config_all_devices
2658 config_all += config_host
2659 config_all += config_all_disas
2660 config_all += {
2661   'CONFIG_XEN': xen.found(),
2662   'CONFIG_SOFTMMU': have_system,
2663   'CONFIG_USER_ONLY': have_user,
2664   'CONFIG_ALL': true,
2665 }
2666
2667 target_configs_h = []
2668 foreach target: target_dirs
2669   target_configs_h += config_target_h[target]
2670   target_configs_h += config_devices_h.get(target, [])
2671 endforeach
2672 genh += custom_target('config-poison.h',
2673                       input: [target_configs_h],
2674                       output: 'config-poison.h',
2675                       capture: true,
2676                       command: [find_program('scripts/make-config-poison.sh'),
2677                                 target_configs_h])
2678
2679 ##############
2680 # Submodules #
2681 ##############
2682
2683 capstone = not_found
2684 if not get_option('capstone').auto() or have_system or have_user
2685   capstone = dependency('capstone', version: '>=3.0.5',
2686                         kwargs: static_kwargs, method: 'pkg-config',
2687                         required: get_option('capstone'))
2688
2689   # Some versions of capstone have broken pkg-config file
2690   # that reports a wrong -I path, causing the #include to
2691   # fail later. If the system has such a broken version
2692   # do not use it.
2693   if capstone.found() and not cc.compiles('#include <capstone.h>',
2694                                           dependencies: [capstone])
2695     capstone = not_found
2696     if get_option('capstone').enabled()
2697       error('capstone requested, but it does not appear to work')
2698     endif
2699   endif
2700 endif
2701
2702 libvfio_user_dep = not_found
2703 if have_system and vfio_user_server_allowed
2704   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2705
2706   if not have_internal
2707     error('libvfio-user source not found - please pull git submodule')
2708   endif
2709
2710   libvfio_user_proj = subproject('libvfio-user')
2711
2712   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2713
2714   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2715 endif
2716
2717 fdt = not_found
2718 if have_system
2719   fdt_opt = get_option('fdt')
2720   if fdt_opt in ['enabled', 'auto', 'system']
2721     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2722     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2723                           required: fdt_opt == 'system' or
2724                                     fdt_opt == 'enabled' and not have_internal)
2725     if fdt.found() and cc.links('''
2726        #include <libfdt.h>
2727        #include <libfdt_env.h>
2728        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2729          dependencies: fdt)
2730       fdt_opt = 'system'
2731     elif fdt_opt == 'system'
2732        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2733     elif have_internal
2734       fdt_opt = 'internal'
2735     else
2736       fdt_opt = 'disabled'
2737       fdt = not_found
2738     endif
2739   endif
2740   if fdt_opt == 'internal'
2741     fdt_files = files(
2742       'dtc/libfdt/fdt.c',
2743       'dtc/libfdt/fdt_ro.c',
2744       'dtc/libfdt/fdt_wip.c',
2745       'dtc/libfdt/fdt_sw.c',
2746       'dtc/libfdt/fdt_rw.c',
2747       'dtc/libfdt/fdt_strerror.c',
2748       'dtc/libfdt/fdt_empty_tree.c',
2749       'dtc/libfdt/fdt_addresses.c',
2750       'dtc/libfdt/fdt_overlay.c',
2751       'dtc/libfdt/fdt_check.c',
2752     )
2753
2754     fdt_inc = include_directories('dtc/libfdt')
2755     libfdt = static_library('fdt',
2756                             build_by_default: false,
2757                             sources: fdt_files,
2758                             include_directories: fdt_inc)
2759     fdt = declare_dependency(link_with: libfdt,
2760                              include_directories: fdt_inc)
2761   endif
2762 else
2763   fdt_opt = 'disabled'
2764 endif
2765 if not fdt.found() and fdt_required.length() > 0
2766   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2767 endif
2768
2769 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2770 config_host_data.set('CONFIG_FDT', fdt.found())
2771 config_host_data.set('CONFIG_SLIRP', slirp.found())
2772
2773 #####################
2774 # Generated sources #
2775 #####################
2776
2777 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2778
2779 hxtool = find_program('scripts/hxtool')
2780 shaderinclude = find_program('scripts/shaderinclude.pl')
2781 qapi_gen = find_program('scripts/qapi-gen.py')
2782 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2783                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2784                      meson.current_source_dir() / 'scripts/qapi/common.py',
2785                      meson.current_source_dir() / 'scripts/qapi/error.py',
2786                      meson.current_source_dir() / 'scripts/qapi/events.py',
2787                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2788                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2789                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2790                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2791                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2792                      meson.current_source_dir() / 'scripts/qapi/source.py',
2793                      meson.current_source_dir() / 'scripts/qapi/types.py',
2794                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2795                      meson.current_source_dir() / 'scripts/qapi/common.py',
2796                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2797 ]
2798
2799 tracetool = [
2800   python, files('scripts/tracetool.py'),
2801    '--backend=' + ','.join(get_option('trace_backends'))
2802 ]
2803 tracetool_depends = files(
2804   'scripts/tracetool/backend/log.py',
2805   'scripts/tracetool/backend/__init__.py',
2806   'scripts/tracetool/backend/dtrace.py',
2807   'scripts/tracetool/backend/ftrace.py',
2808   'scripts/tracetool/backend/simple.py',
2809   'scripts/tracetool/backend/syslog.py',
2810   'scripts/tracetool/backend/ust.py',
2811   'scripts/tracetool/format/ust_events_c.py',
2812   'scripts/tracetool/format/ust_events_h.py',
2813   'scripts/tracetool/format/__init__.py',
2814   'scripts/tracetool/format/d.py',
2815   'scripts/tracetool/format/simpletrace_stap.py',
2816   'scripts/tracetool/format/c.py',
2817   'scripts/tracetool/format/h.py',
2818   'scripts/tracetool/format/log_stap.py',
2819   'scripts/tracetool/format/stap.py',
2820   'scripts/tracetool/__init__.py',
2821   'scripts/tracetool/transform.py',
2822   'scripts/tracetool/vcpu.py'
2823 )
2824
2825 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2826                     meson.current_source_dir(),
2827                     get_option('pkgversion'), meson.project_version()]
2828 qemu_version = custom_target('qemu-version.h',
2829                              output: 'qemu-version.h',
2830                              command: qemu_version_cmd,
2831                              capture: true,
2832                              build_by_default: true,
2833                              build_always_stale: true)
2834 genh += qemu_version
2835
2836 hxdep = []
2837 hx_headers = [
2838   ['qemu-options.hx', 'qemu-options.def'],
2839   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2840 ]
2841 if have_system
2842   hx_headers += [
2843     ['hmp-commands.hx', 'hmp-commands.h'],
2844     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2845   ]
2846 endif
2847 foreach d : hx_headers
2848   hxdep += custom_target(d[1],
2849                 input: files(d[0]),
2850                 output: d[1],
2851                 capture: true,
2852                 build_by_default: true, # to be removed when added to a target
2853                 command: [hxtool, '-h', '@INPUT0@'])
2854 endforeach
2855 genh += hxdep
2856
2857 ###################
2858 # Collect sources #
2859 ###################
2860
2861 authz_ss = ss.source_set()
2862 blockdev_ss = ss.source_set()
2863 block_ss = ss.source_set()
2864 chardev_ss = ss.source_set()
2865 common_ss = ss.source_set()
2866 crypto_ss = ss.source_set()
2867 hwcore_ss = ss.source_set()
2868 io_ss = ss.source_set()
2869 qmp_ss = ss.source_set()
2870 qom_ss = ss.source_set()
2871 softmmu_ss = ss.source_set()
2872 specific_fuzz_ss = ss.source_set()
2873 specific_ss = ss.source_set()
2874 stub_ss = ss.source_set()
2875 trace_ss = ss.source_set()
2876 user_ss = ss.source_set()
2877 util_ss = ss.source_set()
2878
2879 # accel modules
2880 qtest_module_ss = ss.source_set()
2881 tcg_module_ss = ss.source_set()
2882
2883 modules = {}
2884 target_modules = {}
2885 hw_arch = {}
2886 target_arch = {}
2887 target_softmmu_arch = {}
2888 target_user_arch = {}
2889
2890 ###############
2891 # Trace files #
2892 ###############
2893
2894 # TODO: add each directory to the subdirs from its own meson.build, once
2895 # we have those
2896 trace_events_subdirs = [
2897   'crypto',
2898   'qapi',
2899   'qom',
2900   'monitor',
2901   'util',
2902   'gdbstub',
2903 ]
2904 if have_linux_user
2905   trace_events_subdirs += [ 'linux-user' ]
2906 endif
2907 if have_bsd_user
2908   trace_events_subdirs += [ 'bsd-user' ]
2909 endif
2910 if have_block
2911   trace_events_subdirs += [
2912     'authz',
2913     'block',
2914     'io',
2915     'nbd',
2916     'scsi',
2917   ]
2918 endif
2919 if have_system
2920   trace_events_subdirs += [
2921     'accel/kvm',
2922     'audio',
2923     'backends',
2924     'backends/tpm',
2925     'chardev',
2926     'ebpf',
2927     'hw/9pfs',
2928     'hw/acpi',
2929     'hw/adc',
2930     'hw/alpha',
2931     'hw/arm',
2932     'hw/audio',
2933     'hw/block',
2934     'hw/block/dataplane',
2935     'hw/char',
2936     'hw/display',
2937     'hw/dma',
2938     'hw/hyperv',
2939     'hw/i2c',
2940     'hw/i386',
2941     'hw/i386/xen',
2942     'hw/ide',
2943     'hw/input',
2944     'hw/intc',
2945     'hw/isa',
2946     'hw/mem',
2947     'hw/mips',
2948     'hw/misc',
2949     'hw/misc/macio',
2950     'hw/net',
2951     'hw/net/can',
2952     'hw/nubus',
2953     'hw/nvme',
2954     'hw/nvram',
2955     'hw/pci',
2956     'hw/pci-host',
2957     'hw/ppc',
2958     'hw/rdma',
2959     'hw/rdma/vmw',
2960     'hw/rtc',
2961     'hw/s390x',
2962     'hw/scsi',
2963     'hw/sd',
2964     'hw/sh4',
2965     'hw/sparc',
2966     'hw/sparc64',
2967     'hw/ssi',
2968     'hw/timer',
2969     'hw/tpm',
2970     'hw/usb',
2971     'hw/vfio',
2972     'hw/virtio',
2973     'hw/watchdog',
2974     'hw/xen',
2975     'hw/gpio',
2976     'migration',
2977     'net',
2978     'softmmu',
2979     'ui',
2980     'hw/remote',
2981   ]
2982 endif
2983 if have_system or have_user
2984   trace_events_subdirs += [
2985     'accel/tcg',
2986     'hw/core',
2987     'target/arm',
2988     'target/arm/hvf',
2989     'target/hppa',
2990     'target/i386',
2991     'target/i386/kvm',
2992     'target/mips/tcg',
2993     'target/nios2',
2994     'target/ppc',
2995     'target/riscv',
2996     'target/s390x',
2997     'target/s390x/kvm',
2998     'target/sparc',
2999   ]
3000 endif
3001
3002 vhost_user = not_found
3003 if targetos == 'linux' and have_vhost_user
3004   libvhost_user = subproject('libvhost-user')
3005   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3006 endif
3007
3008 libvduse = not_found
3009 if have_libvduse
3010   libvduse_proj = subproject('libvduse')
3011   libvduse = libvduse_proj.get_variable('libvduse_dep')
3012 endif
3013
3014 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3015 # that is filled in by qapi/.
3016 subdir('qapi')
3017 subdir('qobject')
3018 subdir('stubs')
3019 subdir('trace')
3020 subdir('util')
3021 subdir('qom')
3022 subdir('authz')
3023 subdir('crypto')
3024 subdir('ui')
3025 subdir('hw')
3026 subdir('gdbstub')
3027
3028
3029 if enable_modules
3030   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3031   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3032 endif
3033
3034 qom_ss = qom_ss.apply(config_host, strict: false)
3035 libqom = static_library('qom', qom_ss.sources() + genh,
3036                         dependencies: [qom_ss.dependencies()],
3037                         name_suffix: 'fa')
3038 qom = declare_dependency(link_whole: libqom)
3039
3040 event_loop_base = files('event-loop-base.c')
3041 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3042                                  build_by_default: true)
3043 event_loop_base = declare_dependency(link_whole: event_loop_base,
3044                                      dependencies: [qom])
3045
3046 stub_ss = stub_ss.apply(config_all, strict: false)
3047
3048 util_ss.add_all(trace_ss)
3049 util_ss = util_ss.apply(config_all, strict: false)
3050 libqemuutil = static_library('qemuutil',
3051                              sources: util_ss.sources() + stub_ss.sources() + genh,
3052                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3053 qemuutil = declare_dependency(link_with: libqemuutil,
3054                               sources: genh + version_res,
3055                               dependencies: [event_loop_base])
3056
3057 if have_system or have_user
3058   decodetree = generator(find_program('scripts/decodetree.py'),
3059                          output: 'decode-@BASENAME@.c.inc',
3060                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3061   subdir('libdecnumber')
3062   subdir('target')
3063 endif
3064
3065 subdir('audio')
3066 subdir('io')
3067 subdir('chardev')
3068 subdir('fsdev')
3069 subdir('dump')
3070
3071 if have_block
3072   block_ss.add(files(
3073     'block.c',
3074     'blockjob.c',
3075     'job.c',
3076     'qemu-io-cmds.c',
3077   ))
3078   if config_host_data.get('CONFIG_REPLICATION')
3079     block_ss.add(files('replication.c'))
3080   endif
3081
3082   subdir('nbd')
3083   subdir('scsi')
3084   subdir('block')
3085
3086   blockdev_ss.add(files(
3087     'blockdev.c',
3088     'blockdev-nbd.c',
3089     'iothread.c',
3090     'job-qmp.c',
3091   ), gnutls)
3092
3093   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3094   # os-win32.c does not
3095   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3096   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3097 endif
3098
3099 common_ss.add(files('cpus-common.c'))
3100
3101 subdir('softmmu')
3102
3103 common_ss.add(capstone)
3104 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3105
3106 # Work around a gcc bug/misfeature wherein constant propagation looks
3107 # through an alias:
3108 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3109 # to guess that a const variable is always zero.  Without lto, this is
3110 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3111 # without lto, not even the alias is required -- we simply use different
3112 # declarations in different compilation units.
3113 pagevary = files('page-vary-common.c')
3114 if get_option('b_lto')
3115   pagevary_flags = ['-fno-lto']
3116   if get_option('cfi')
3117     pagevary_flags += '-fno-sanitize=cfi-icall'
3118   endif
3119   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3120                             c_args: pagevary_flags)
3121   pagevary = declare_dependency(link_with: pagevary)
3122 endif
3123 common_ss.add(pagevary)
3124 specific_ss.add(files('page-vary.c'))
3125
3126 subdir('backends')
3127 subdir('disas')
3128 subdir('migration')
3129 subdir('monitor')
3130 subdir('net')
3131 subdir('replay')
3132 subdir('semihosting')
3133 subdir('tcg')
3134 subdir('fpu')
3135 subdir('accel')
3136 subdir('plugins')
3137 subdir('ebpf')
3138
3139 common_user_inc = []
3140
3141 subdir('common-user')
3142 subdir('bsd-user')
3143 subdir('linux-user')
3144
3145 # needed for fuzzing binaries
3146 subdir('tests/qtest/libqos')
3147 subdir('tests/qtest/fuzz')
3148
3149 # accel modules
3150 tcg_real_module_ss = ss.source_set()
3151 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3152 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3153 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3154                                 'tcg': tcg_real_module_ss }}
3155
3156 ########################
3157 # Library dependencies #
3158 ########################
3159
3160 modinfo_collect = find_program('scripts/modinfo-collect.py')
3161 modinfo_generate = find_program('scripts/modinfo-generate.py')
3162 modinfo_files = []
3163
3164 block_mods = []
3165 softmmu_mods = []
3166 foreach d, list : modules
3167   foreach m, module_ss : list
3168     if enable_modules and targetos != 'windows'
3169       module_ss = module_ss.apply(config_all, strict: false)
3170       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3171                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3172       if d == 'block'
3173         block_mods += sl
3174       else
3175         softmmu_mods += sl
3176       endif
3177       if module_ss.sources() != []
3178         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3179         # input. Sources can be used multiple times but objects are
3180         # unique when it comes to lookup in compile_commands.json.
3181         # Depnds on a mesion version with
3182         # https://github.com/mesonbuild/meson/pull/8900
3183         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3184                                        output: d + '-' + m + '.modinfo',
3185                                        input: module_ss.sources() + genh,
3186                                        capture: true,
3187                                        command: [modinfo_collect, module_ss.sources()])
3188       endif
3189     else
3190       if d == 'block'
3191         block_ss.add_all(module_ss)
3192       else
3193         softmmu_ss.add_all(module_ss)
3194       endif
3195     endif
3196   endforeach
3197 endforeach
3198
3199 foreach d, list : target_modules
3200   foreach m, module_ss : list
3201     if enable_modules and targetos != 'windows'
3202       foreach target : target_dirs
3203         if target.endswith('-softmmu')
3204           config_target = config_target_mak[target]
3205           config_target += config_host
3206           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3207           c_args = ['-DNEED_CPU_H',
3208                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3209                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3210           target_module_ss = module_ss.apply(config_target, strict: false)
3211           if target_module_ss.sources() != []
3212             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3213             sl = static_library(module_name,
3214                                 [genh, target_module_ss.sources()],
3215                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3216                                 include_directories: target_inc,
3217                                 c_args: c_args,
3218                                 pic: true)
3219             softmmu_mods += sl
3220             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3221             modinfo_files += custom_target(module_name + '.modinfo',
3222                                            output: module_name + '.modinfo',
3223                                            input: target_module_ss.sources() + genh,
3224                                            capture: true,
3225                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3226           endif
3227         endif
3228       endforeach
3229     else
3230       specific_ss.add_all(module_ss)
3231     endif
3232   endforeach
3233 endforeach
3234
3235 if enable_modules
3236   foreach target : target_dirs
3237     if target.endswith('-softmmu')
3238       config_target = config_target_mak[target]
3239       config_devices_mak = target + '-config-devices.mak'
3240       modinfo_src = custom_target('modinfo-' + target + '.c',
3241                                   output: 'modinfo-' + target + '.c',
3242                                   input: modinfo_files,
3243                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3244                                   capture: true)
3245
3246       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3247       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3248
3249       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3250       hw_arch[arch].add(modinfo_dep)
3251     endif
3252   endforeach
3253 endif
3254
3255 nm = find_program('nm')
3256 undefsym = find_program('scripts/undefsym.py')
3257 block_syms = custom_target('block.syms', output: 'block.syms',
3258                              input: [libqemuutil, block_mods],
3259                              capture: true,
3260                              command: [undefsym, nm, '@INPUT@'])
3261 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3262                              input: [libqemuutil, softmmu_mods],
3263                              capture: true,
3264                              command: [undefsym, nm, '@INPUT@'])
3265
3266 authz_ss = authz_ss.apply(config_host, strict: false)
3267 libauthz = static_library('authz', authz_ss.sources() + genh,
3268                           dependencies: [authz_ss.dependencies()],
3269                           name_suffix: 'fa',
3270                           build_by_default: false)
3271
3272 authz = declare_dependency(link_whole: libauthz,
3273                            dependencies: qom)
3274
3275 crypto_ss = crypto_ss.apply(config_host, strict: false)
3276 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3277                            dependencies: [crypto_ss.dependencies()],
3278                            name_suffix: 'fa',
3279                            build_by_default: false)
3280
3281 crypto = declare_dependency(link_whole: libcrypto,
3282                             dependencies: [authz, qom])
3283
3284 io_ss = io_ss.apply(config_host, strict: false)
3285 libio = static_library('io', io_ss.sources() + genh,
3286                        dependencies: [io_ss.dependencies()],
3287                        link_with: libqemuutil,
3288                        name_suffix: 'fa',
3289                        build_by_default: false)
3290
3291 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3292
3293 libmigration = static_library('migration', sources: migration_files + genh,
3294                               name_suffix: 'fa',
3295                               build_by_default: false)
3296 migration = declare_dependency(link_with: libmigration,
3297                                dependencies: [zlib, qom, io])
3298 softmmu_ss.add(migration)
3299
3300 block_ss = block_ss.apply(config_host, strict: false)
3301 libblock = static_library('block', block_ss.sources() + genh,
3302                           dependencies: block_ss.dependencies(),
3303                           link_depends: block_syms,
3304                           name_suffix: 'fa',
3305                           build_by_default: false)
3306
3307 block = declare_dependency(link_whole: [libblock],
3308                            link_args: '@block.syms',
3309                            dependencies: [crypto, io])
3310
3311 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3312 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3313                              dependencies: blockdev_ss.dependencies(),
3314                              name_suffix: 'fa',
3315                              build_by_default: false)
3316
3317 blockdev = declare_dependency(link_whole: [libblockdev],
3318                               dependencies: [block, event_loop_base])
3319
3320 qmp_ss = qmp_ss.apply(config_host, strict: false)
3321 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3322                         dependencies: qmp_ss.dependencies(),
3323                         name_suffix: 'fa',
3324                         build_by_default: false)
3325
3326 qmp = declare_dependency(link_whole: [libqmp])
3327
3328 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3329                             name_suffix: 'fa',
3330                             dependencies: chardev_ss.dependencies(),
3331                             build_by_default: false)
3332
3333 chardev = declare_dependency(link_whole: libchardev)
3334
3335 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3336 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3337                            name_suffix: 'fa',
3338                            build_by_default: false)
3339 hwcore = declare_dependency(link_whole: libhwcore)
3340 common_ss.add(hwcore)
3341
3342 ###########
3343 # Targets #
3344 ###########
3345
3346 emulator_modules = []
3347 foreach m : block_mods + softmmu_mods
3348   emulator_modules += shared_module(m.name(),
3349                 build_by_default: true,
3350                 name_prefix: '',
3351                 link_whole: m,
3352                 install: true,
3353                 install_dir: qemu_moddir)
3354 endforeach
3355 if emulator_modules.length() > 0
3356   alias_target('modules', emulator_modules)
3357 endif
3358
3359 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3360 common_ss.add(qom, qemuutil)
3361
3362 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3363 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3364
3365 common_all = common_ss.apply(config_all, strict: false)
3366 common_all = static_library('common',
3367                             build_by_default: false,
3368                             sources: common_all.sources() + genh,
3369                             include_directories: common_user_inc,
3370                             implicit_include_directories: false,
3371                             dependencies: common_all.dependencies(),
3372                             name_suffix: 'fa')
3373
3374 feature_to_c = find_program('scripts/feature_to_c.sh')
3375
3376 if targetos == 'darwin'
3377   entitlement = find_program('scripts/entitlement.sh')
3378 endif
3379
3380 emulators = {}
3381 foreach target : target_dirs
3382   config_target = config_target_mak[target]
3383   target_name = config_target['TARGET_NAME']
3384   target_base_arch = config_target['TARGET_BASE_ARCH']
3385   arch_srcs = [config_target_h[target]]
3386   arch_deps = []
3387   c_args = ['-DNEED_CPU_H',
3388             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3389             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3390   link_args = emulator_link_args
3391
3392   config_target += config_host
3393   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3394   if targetos == 'linux'
3395     target_inc += include_directories('linux-headers', is_system: true)
3396   endif
3397   if target.endswith('-softmmu')
3398     target_type='system'
3399     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3400     arch_srcs += t.sources()
3401     arch_deps += t.dependencies()
3402
3403     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3404     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3405     arch_srcs += hw.sources()
3406     arch_deps += hw.dependencies()
3407
3408     arch_srcs += config_devices_h[target]
3409     link_args += ['@block.syms', '@qemu.syms']
3410   else
3411     abi = config_target['TARGET_ABI_DIR']
3412     target_type='user'
3413     target_inc += common_user_inc
3414     if target_base_arch in target_user_arch
3415       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3416       arch_srcs += t.sources()
3417       arch_deps += t.dependencies()
3418     endif
3419     if 'CONFIG_LINUX_USER' in config_target
3420       base_dir = 'linux-user'
3421     endif
3422     if 'CONFIG_BSD_USER' in config_target
3423       base_dir = 'bsd-user'
3424       target_inc += include_directories('bsd-user/' / targetos)
3425       target_inc += include_directories('bsd-user/host/' / host_arch)
3426       dir = base_dir / abi
3427       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3428     endif
3429     target_inc += include_directories(
3430       base_dir,
3431       base_dir / abi,
3432     )
3433     if 'CONFIG_LINUX_USER' in config_target
3434       dir = base_dir / abi
3435       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3436       if config_target.has_key('TARGET_SYSTBL_ABI')
3437         arch_srcs += \
3438           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3439                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3440       endif
3441     endif
3442   endif
3443
3444   if 'TARGET_XML_FILES' in config_target
3445     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3446                                 output: target + '-gdbstub-xml.c',
3447                                 input: files(config_target['TARGET_XML_FILES'].split()),
3448                                 command: [feature_to_c, '@INPUT@'],
3449                                 capture: true)
3450     arch_srcs += gdbstub_xml
3451   endif
3452
3453   t = target_arch[target_base_arch].apply(config_target, strict: false)
3454   arch_srcs += t.sources()
3455   arch_deps += t.dependencies()
3456
3457   target_common = common_ss.apply(config_target, strict: false)
3458   objects = common_all.extract_objects(target_common.sources())
3459   deps = target_common.dependencies()
3460
3461   target_specific = specific_ss.apply(config_target, strict: false)
3462   arch_srcs += target_specific.sources()
3463   arch_deps += target_specific.dependencies()
3464
3465   lib = static_library('qemu-' + target,
3466                  sources: arch_srcs + genh,
3467                  dependencies: arch_deps,
3468                  objects: objects,
3469                  include_directories: target_inc,
3470                  c_args: c_args,
3471                  build_by_default: false,
3472                  name_suffix: 'fa')
3473
3474   if target.endswith('-softmmu')
3475     execs = [{
3476       'name': 'qemu-system-' + target_name,
3477       'win_subsystem': 'console',
3478       'sources': files('softmmu/main.c'),
3479       'dependencies': []
3480     }]
3481     if targetos == 'windows' and (sdl.found() or gtk.found())
3482       execs += [{
3483         'name': 'qemu-system-' + target_name + 'w',
3484         'win_subsystem': 'windows',
3485         'sources': files('softmmu/main.c'),
3486         'dependencies': []
3487       }]
3488     endif
3489     if get_option('fuzzing')
3490       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3491       execs += [{
3492         'name': 'qemu-fuzz-' + target_name,
3493         'win_subsystem': 'console',
3494         'sources': specific_fuzz.sources(),
3495         'dependencies': specific_fuzz.dependencies(),
3496       }]
3497     endif
3498   else
3499     execs = [{
3500       'name': 'qemu-' + target_name,
3501       'win_subsystem': 'console',
3502       'sources': [],
3503       'dependencies': []
3504     }]
3505   endif
3506   foreach exe: execs
3507     exe_name = exe['name']
3508     if targetos == 'darwin'
3509       exe_name += '-unsigned'
3510     endif
3511
3512     emulator = executable(exe_name, exe['sources'],
3513                install: true,
3514                c_args: c_args,
3515                dependencies: arch_deps + deps + exe['dependencies'],
3516                objects: lib.extract_all_objects(recursive: true),
3517                link_language: link_language,
3518                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3519                link_args: link_args,
3520                win_subsystem: exe['win_subsystem'])
3521
3522     if targetos == 'darwin'
3523       icon = 'pc-bios/qemu.rsrc'
3524       build_input = [emulator, files(icon)]
3525       install_input = [
3526         get_option('bindir') / exe_name,
3527         meson.current_source_dir() / icon
3528       ]
3529       if 'CONFIG_HVF' in config_target
3530         entitlements = 'accel/hvf/entitlements.plist'
3531         build_input += files(entitlements)
3532         install_input += meson.current_source_dir() / entitlements
3533       endif
3534
3535       emulators += {exe['name'] : custom_target(exe['name'],
3536                    input: build_input,
3537                    output: exe['name'],
3538                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3539       }
3540
3541       meson.add_install_script(entitlement, '--install',
3542                                get_option('bindir') / exe['name'],
3543                                install_input)
3544     else
3545       emulators += {exe['name']: emulator}
3546     endif
3547
3548     if stap.found()
3549       foreach stp: [
3550         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3551         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3552         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3553         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3554       ]
3555         custom_target(exe['name'] + stp['ext'],
3556                       input: trace_events_all,
3557                       output: exe['name'] + stp['ext'],
3558                       install: stp['install'],
3559                       install_dir: get_option('datadir') / 'systemtap/tapset',
3560                       command: [
3561                         tracetool, '--group=all', '--format=' + stp['fmt'],
3562                         '--binary=' + stp['bin'],
3563                         '--target-name=' + target_name,
3564                         '--target-type=' + target_type,
3565                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3566                         '@INPUT@', '@OUTPUT@'
3567                       ],
3568                       depend_files: tracetool_depends)
3569       endforeach
3570     endif
3571   endforeach
3572 endforeach
3573
3574 # Other build targets
3575
3576 if 'CONFIG_PLUGIN' in config_host
3577   install_headers('include/qemu/qemu-plugin.h')
3578 endif
3579
3580 subdir('qga')
3581
3582 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3583 # when we don't build tools or system
3584 if xkbcommon.found()
3585   # used for the update-keymaps target, so include rules even if !have_tools
3586   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3587                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3588 endif
3589
3590 if have_tools
3591   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3592              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3593   qemu_io = executable('qemu-io', files('qemu-io.c'),
3594              dependencies: [block, qemuutil], install: true)
3595   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3596                dependencies: [blockdev, qemuutil, gnutls, selinux],
3597                install: true)
3598
3599   subdir('storage-daemon')
3600   subdir('contrib/rdmacm-mux')
3601   subdir('contrib/elf2dmp')
3602
3603   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3604              dependencies: qemuutil,
3605              install: true)
3606
3607   if have_vhost_user
3608     subdir('contrib/vhost-user-blk')
3609     subdir('contrib/vhost-user-gpu')
3610     subdir('contrib/vhost-user-input')
3611     subdir('contrib/vhost-user-scsi')
3612   endif
3613
3614   if targetos == 'linux'
3615     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3616                dependencies: [qemuutil, libcap_ng],
3617                install: true,
3618                install_dir: get_option('libexecdir'))
3619
3620     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3621                dependencies: [authz, crypto, io, qom, qemuutil,
3622                               libcap_ng, mpathpersist],
3623                install: true)
3624   endif
3625
3626   if have_ivshmem
3627     subdir('contrib/ivshmem-client')
3628     subdir('contrib/ivshmem-server')
3629   endif
3630 endif
3631
3632 subdir('scripts')
3633 subdir('tools')
3634 subdir('pc-bios')
3635 subdir('docs')
3636 subdir('tests')
3637 if gtk.found()
3638   subdir('po')
3639 endif
3640
3641 if host_machine.system() == 'windows'
3642   nsis_cmd = [
3643     find_program('scripts/nsis.py'),
3644     '@OUTPUT@',
3645     get_option('prefix'),
3646     meson.current_source_dir(),
3647     config_host['GLIB_BINDIR'],
3648     host_machine.cpu(),
3649     '--',
3650     '-DDISPLAYVERSION=' + meson.project_version(),
3651   ]
3652   if build_docs
3653     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3654   endif
3655   if gtk.found()
3656     nsis_cmd += '-DCONFIG_GTK=y'
3657   endif
3658
3659   nsis = custom_target('nsis',
3660                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3661                        input: files('qemu.nsi'),
3662                        build_always_stale: true,
3663                        command: nsis_cmd + ['@INPUT@'])
3664   alias_target('installer', nsis)
3665 endif
3666
3667 #########################
3668 # Configuration summary #
3669 #########################
3670
3671 # Directories
3672 summary_info = {}
3673 summary_info += {'Install prefix':    get_option('prefix')}
3674 summary_info += {'BIOS directory':    qemu_datadir}
3675 pathsep = targetos == 'windows' ? ';' : ':'
3676 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3677 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3678 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3679 summary_info += {'module directory':  qemu_moddir}
3680 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3681 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3682 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3683 if targetos != 'windows'
3684   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3685   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3686 else
3687   summary_info += {'local state directory': 'queried at runtime'}
3688 endif
3689 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3690 summary_info += {'Build directory':   meson.current_build_dir()}
3691 summary_info += {'Source path':       meson.current_source_dir()}
3692 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3693 summary(summary_info, bool_yn: true, section: 'Directories')
3694
3695 # Host binaries
3696 summary_info = {}
3697 summary_info += {'git':               config_host['GIT']}
3698 summary_info += {'make':              config_host['MAKE']}
3699 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3700 summary_info += {'sphinx-build':      sphinx_build}
3701 if config_host.has_key('HAVE_GDB_BIN')
3702   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3703 endif
3704 summary_info += {'iasl':              iasl}
3705 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3706 if targetos == 'windows' and have_ga
3707   summary_info += {'wixl':            wixl}
3708 endif
3709 if slirp.found() and have_system
3710   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3711 endif
3712 summary(summary_info, bool_yn: true, section: 'Host binaries')
3713
3714 # Configurable features
3715 summary_info = {}
3716 summary_info += {'Documentation':     build_docs}
3717 summary_info += {'system-mode emulation': have_system}
3718 summary_info += {'user-mode emulation': have_user}
3719 summary_info += {'block layer':       have_block}
3720 summary_info += {'Install blobs':     get_option('install_blobs')}
3721 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3722 if config_host.has_key('CONFIG_MODULES')
3723   summary_info += {'alternative module path': get_option('module_upgrades')}
3724 endif
3725 summary_info += {'fuzzing support':   get_option('fuzzing')}
3726 if have_system
3727   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3728 endif
3729 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3730 if 'simple' in get_option('trace_backends')
3731   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3732 endif
3733 summary_info += {'D-Bus display':     dbus_display}
3734 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3735 summary_info += {'vhost-kernel support': have_vhost_kernel}
3736 summary_info += {'vhost-net support': have_vhost_net}
3737 summary_info += {'vhost-user support': have_vhost_user}
3738 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3739 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3740 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3741 summary_info += {'build guest agent': have_ga}
3742 summary(summary_info, bool_yn: true, section: 'Configurable features')
3743
3744 # Compilation information
3745 summary_info = {}
3746 summary_info += {'host CPU':          cpu}
3747 summary_info += {'host endianness':   build_machine.endian()}
3748 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3749 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3750 if link_language == 'cpp'
3751   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3752 else
3753   summary_info += {'C++ compiler':      false}
3754 endif
3755 if targetos == 'darwin'
3756   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3757 endif
3758 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3759                                                + ['-O' + get_option('optimization')]
3760                                                + (get_option('debug') ? ['-g'] : []))}
3761 if link_language == 'cpp'
3762   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3763                                                + ['-O' + get_option('optimization')]
3764                                                + (get_option('debug') ? ['-g'] : []))}
3765 endif
3766 if targetos == 'darwin'
3767   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args')
3768                                                + ['-O' + get_option('optimization')]
3769                                                + (get_option('debug') ? ['-g'] : []))}
3770 endif
3771 link_args = get_option(link_language + '_link_args')
3772 if link_args.length() > 0
3773   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3774 endif
3775 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3776 summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3777 summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3778 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3779 summary_info += {'profiler':          get_option('profiler')}
3780 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3781 summary_info += {'PIE':               get_option('b_pie')}
3782 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3783 summary_info += {'malloc trim support': has_malloc_trim}
3784 summary_info += {'membarrier':        have_membarrier}
3785 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3786 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3787 summary_info += {'memory allocator':  get_option('malloc')}
3788 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3789 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3790 summary_info += {'gprof enabled':     get_option('gprof')}
3791 summary_info += {'gcov':              get_option('b_coverage')}
3792 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3793 summary_info += {'CFI support':       get_option('cfi')}
3794 if get_option('cfi')
3795   summary_info += {'CFI debug support': get_option('cfi_debug')}
3796 endif
3797 summary_info += {'strip binaries':    get_option('strip')}
3798 summary_info += {'sparse':            sparse}
3799 summary_info += {'mingw32 support':   targetos == 'windows'}
3800 summary(summary_info, bool_yn: true, section: 'Compilation')
3801
3802 # snarf the cross-compilation information for tests
3803 summary_info = {}
3804 have_cross = false
3805 foreach target: target_dirs
3806   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3807   if fs.exists(tcg_mak)
3808     config_cross_tcg = keyval.load(tcg_mak)
3809     if 'CC' in config_cross_tcg
3810       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3811       have_cross = true
3812     endif
3813   endif
3814 endforeach
3815 if have_cross
3816   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3817 endif
3818
3819 # Targets and accelerators
3820 summary_info = {}
3821 if have_system
3822   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3823   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3824   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3825   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3826   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3827   summary_info += {'Xen support':       xen.found()}
3828   if xen.found()
3829     summary_info += {'xen ctrl version':  xen.version()}
3830   endif
3831 endif
3832 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3833 if config_all.has_key('CONFIG_TCG')
3834   if get_option('tcg_interpreter')
3835     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3836   else
3837     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3838   endif
3839   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3840   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3841 endif
3842 summary_info += {'target list':       ' '.join(target_dirs)}
3843 if have_system
3844   summary_info += {'default devices':   get_option('default_devices')}
3845   summary_info += {'out of process emulation': multiprocess_allowed}
3846   summary_info += {'vfio-user server': vfio_user_server_allowed}
3847 endif
3848 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3849
3850 # Block layer
3851 summary_info = {}
3852 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3853 summary_info += {'coroutine pool':    have_coroutine_pool}
3854 if have_block
3855   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3856   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3857   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3858   summary_info += {'VirtFS support':    have_virtfs}
3859   summary_info += {'build virtiofs daemon': have_virtiofsd}
3860   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3861   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3862   summary_info += {'bochs support':     get_option('bochs').allowed()}
3863   summary_info += {'cloop support':     get_option('cloop').allowed()}
3864   summary_info += {'dmg support':       get_option('dmg').allowed()}
3865   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3866   summary_info += {'vdi support':       get_option('vdi').allowed()}
3867   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3868   summary_info += {'qed support':       get_option('qed').allowed()}
3869   summary_info += {'parallels support': get_option('parallels').allowed()}
3870   summary_info += {'FUSE exports':      fuse}
3871   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3872 endif
3873 summary(summary_info, bool_yn: true, section: 'Block layer support')
3874
3875 # Crypto
3876 summary_info = {}
3877 summary_info += {'TLS priority':      get_option('tls_priority')}
3878 summary_info += {'GNUTLS support':    gnutls}
3879 if gnutls.found()
3880   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3881 endif
3882 summary_info += {'libgcrypt':         gcrypt}
3883 summary_info += {'nettle':            nettle}
3884 if nettle.found()
3885    summary_info += {'  XTS':             xts != 'private'}
3886 endif
3887 summary_info += {'AF_ALG support':    have_afalg}
3888 summary_info += {'rng-none':          get_option('rng_none')}
3889 summary_info += {'Linux keyring':     have_keyring}
3890 summary(summary_info, bool_yn: true, section: 'Crypto')
3891
3892 # Libraries
3893 summary_info = {}
3894 if targetos == 'darwin'
3895   summary_info += {'Cocoa support':           cocoa}
3896   summary_info += {'vmnet.framework support': vmnet}
3897 endif
3898 summary_info += {'SDL support':       sdl}
3899 summary_info += {'SDL image support': sdl_image}
3900 summary_info += {'GTK support':       gtk}
3901 summary_info += {'pixman':            pixman}
3902 summary_info += {'VTE support':       vte}
3903 summary_info += {'slirp support':     slirp}
3904 summary_info += {'libtasn1':          tasn1}
3905 summary_info += {'PAM':               pam}
3906 summary_info += {'iconv support':     iconv}
3907 summary_info += {'curses support':    curses}
3908 summary_info += {'virgl support':     virgl}
3909 summary_info += {'blkio support':     blkio}
3910 summary_info += {'curl support':      curl}
3911 summary_info += {'Multipath support': mpathpersist}
3912 summary_info += {'PNG support':       png}
3913 summary_info += {'VNC support':       vnc}
3914 if vnc.found()
3915   summary_info += {'VNC SASL support':  sasl}
3916   summary_info += {'VNC JPEG support':  jpeg}
3917 endif
3918 if targetos not in ['darwin', 'haiku', 'windows']
3919   summary_info += {'OSS support':     oss}
3920   summary_info += {'sndio support':   sndio}
3921 elif targetos == 'darwin'
3922   summary_info += {'CoreAudio support': coreaudio}
3923 elif targetos == 'windows'
3924   summary_info += {'DirectSound support': dsound}
3925 endif
3926 if targetos == 'linux'
3927   summary_info += {'ALSA support':    alsa}
3928   summary_info += {'PulseAudio support': pulse}
3929 endif
3930 summary_info += {'JACK support':      jack}
3931 summary_info += {'brlapi support':    brlapi}
3932 summary_info += {'vde support':       vde}
3933 summary_info += {'netmap support':    have_netmap}
3934 summary_info += {'l2tpv3 support':    have_l2tpv3}
3935 summary_info += {'Linux AIO support': libaio}
3936 summary_info += {'Linux io_uring support': linux_io_uring}
3937 summary_info += {'ATTR/XATTR support': libattr}
3938 summary_info += {'RDMA support':      rdma}
3939 summary_info += {'PVRDMA support':    have_pvrdma}
3940 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3941 summary_info += {'libcap-ng support': libcap_ng}
3942 summary_info += {'bpf support':       libbpf}
3943 summary_info += {'spice protocol support': spice_protocol}
3944 if spice_protocol.found()
3945   summary_info += {'  spice server support': spice}
3946 endif
3947 summary_info += {'rbd support':       rbd}
3948 summary_info += {'smartcard support': cacard}
3949 summary_info += {'U2F support':       u2f}
3950 summary_info += {'libusb':            libusb}
3951 summary_info += {'usb net redir':     usbredir}
3952 summary_info += {'OpenGL support (epoxy)': opengl}
3953 summary_info += {'GBM':               gbm}
3954 summary_info += {'libiscsi support':  libiscsi}
3955 summary_info += {'libnfs support':    libnfs}
3956 if targetos == 'windows'
3957   if have_ga
3958     summary_info += {'QGA VSS support':   have_qga_vss}
3959   endif
3960 endif
3961 summary_info += {'seccomp support':   seccomp}
3962 summary_info += {'GlusterFS support': glusterfs}
3963 summary_info += {'TPM support':       have_tpm}
3964 summary_info += {'libssh support':    libssh}
3965 summary_info += {'lzo support':       lzo}
3966 summary_info += {'snappy support':    snappy}
3967 summary_info += {'bzip2 support':     libbzip2}
3968 summary_info += {'lzfse support':     liblzfse}
3969 summary_info += {'zstd support':      zstd}
3970 summary_info += {'NUMA host support': numa}
3971 summary_info += {'capstone':          capstone}
3972 summary_info += {'libpmem support':   libpmem}
3973 summary_info += {'libdaxctl support': libdaxctl}
3974 summary_info += {'libudev':           libudev}
3975 # Dummy dependency, keep .found()
3976 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3977 summary_info += {'selinux':           selinux}
3978 summary(summary_info, bool_yn: true, section: 'Dependencies')
3979
3980 if not supported_cpus.contains(cpu)
3981   message()
3982   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3983   message()
3984   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3985   message('The QEMU project intends to remove support for this host CPU in')
3986   message('a future release if nobody volunteers to maintain it and to')
3987   message('provide a build host for our continuous integration setup.')
3988   message('configure has succeeded and you can continue to build, but')
3989   message('if you care about QEMU on this platform you should contact')
3990   message('us upstream at qemu-devel@nongnu.org.')
3991 endif
3992
3993 if not supported_oses.contains(targetos)
3994   message()
3995   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3996   message()
3997   message('Host OS ' + targetos + 'support is not currently maintained.')
3998   message('The QEMU project intends to remove support for this host OS in')
3999   message('a future release if nobody volunteers to maintain it and to')
4000   message('provide a build host for our continuous integration setup.')
4001   message('configure has succeeded and you can continue to build, but')
4002   message('if you care about QEMU on this platform you should contact')
4003   message('us upstream at qemu-devel@nongnu.org.')
4004 endif