meson.build

   1 project('qemu', ['c'], meson_version: '>=0.61.3',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false', 'stdsplit=false', 'optimization=2', 'b_pie=true'],
   4         version: files('VERSION'))
   5
   6 add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
   7 add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
   8 add_test_setup('thorough', env: ['G_TEST_SLOW=1', 'SPEED=thorough'])
   9
  10 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
  11
  12 not_found = dependency('', required: false)
  13 keyval = import('keyval')
  14 ss = import('sourceset')
  15 fs = import('fs')
  16
  17 targetos = host_machine.system()
  18 sh = find_program('sh')
  19 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  20 enable_modules = 'CONFIG_MODULES' in config_host
  21 enable_static = 'CONFIG_STATIC' in config_host
  22
  23 # Allow both shared and static libraries unless --enable-static
  24 static_kwargs = enable_static ? {'static': true} : {}
  25
  26 cc = meson.get_compiler('c')
  27 all_languages = ['c']
  28 if add_languages('cpp', required: false, native: false)
  29   all_languages += ['cpp']
  30   cxx = meson.get_compiler('cpp')
  31 endif
  32 if targetos == 'darwin' and \
  33    add_languages('objc', required: get_option('cocoa'), native: false)
  34   all_languages += ['objc']
  35   objc = meson.get_compiler('objc')
  36 endif
  37
  38 # Temporary directory used for files created while
  39 # configure runs. Since it is in the build directory
  40 # we can safely blow away any previous version of it
  41 # (and we need not jump through hoops to try to delete
  42 # it when configure exits.)
  43 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  44
  45 if get_option('qemu_suffix').startswith('/')
  46   error('qemu_suffix cannot start with a /')
  47 endif
  48
  49 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  50 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  51 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  52 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  53
  54 qemu_desktopdir = get_option('datadir') / 'applications'
  55 qemu_icondir = get_option('datadir') / 'icons'
  56
  57 config_host_data = configuration_data()
  58 genh = []
  59 qapi_trace_events = []
  60
  61 bsd_oses = ['gnu/kfreebsd', 'freebsd', 'netbsd', 'openbsd', 'dragonfly', 'darwin']
  62 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  63 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  64   'arm', 'aarch64', 'loongarch64', 'mips', 'mips64', 'sparc64']
  65
  66 cpu = host_machine.cpu_family()
  67
  68 # Unify riscv* to a single family.
  69 if cpu in ['riscv32', 'riscv64']
  70   cpu = 'riscv'
  71 endif
  72
  73 target_dirs = config_host['TARGET_DIRS'].split()
  74 have_linux_user = false
  75 have_bsd_user = false
  76 have_system = false
  77 foreach target : target_dirs
  78   have_linux_user = have_linux_user or target.endswith('linux-user')
  79   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  80   have_system = have_system or target.endswith('-softmmu')
  81 endforeach
  82 have_user = have_linux_user or have_bsd_user
  83 have_tools = get_option('tools') \
  84   .disable_auto_if(not have_system) \
  85   .allowed()
  86 have_ga = get_option('guest_agent') \
  87   .disable_auto_if(not have_system and not have_tools) \
  88   .require(targetos in ['sunos', 'linux', 'windows', 'freebsd', 'netbsd', 'openbsd'],
  89            error_message: 'unsupported OS for QEMU guest agent') \
  90   .allowed()
  91 have_block = have_system or have_tools
  92
  93 python = import('python').find_installation()
  94
  95 if cpu not in supported_cpus
  96   host_arch = 'unknown'
  97 elif cpu == 'x86'
  98   host_arch = 'i386'
  99 elif cpu == 'mips64'
 100   host_arch = 'mips'
 101 else
 102   host_arch = cpu
 103 endif
 104
 105 if cpu in ['x86', 'x86_64']
 106   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
 107 elif cpu == 'aarch64'
 108   kvm_targets = ['aarch64-softmmu']
 109 elif cpu == 's390x'
 110   kvm_targets = ['s390x-softmmu']
 111 elif cpu in ['ppc', 'ppc64']
 112   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
 113 elif cpu in ['mips', 'mips64']
 114   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
 115 elif cpu in ['riscv']
 116   kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu']
 117 else
 118   kvm_targets = []
 119 endif
 120
 121 kvm_targets_c = '""'
 122 if get_option('kvm').allowed() and targetos == 'linux'
 123   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 124 endif
 125 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
 126
 127 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 128
 129 if cpu in ['aarch64']
 130   accelerator_targets += {
 131     'CONFIG_HVF': ['aarch64-softmmu']
 132   }
 133 endif
 134
 135 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
 136   # i386 emulator provides xenpv machine type for multiple architectures
 137   accelerator_targets += {
 138     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
 139   }
 140 endif
 141 if cpu in ['x86', 'x86_64']
 142   accelerator_targets += {
 143     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 144     'CONFIG_HVF': ['x86_64-softmmu'],
 145     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 146     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 147   }
 148 endif
 149
 150 modular_tcg = []
 151 # Darwin does not support references to thread-local variables in modules
 152 if targetos != 'darwin'
 153   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 154 endif
 155
 156 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 157 unpack_edk2_blobs = false
 158 foreach target : edk2_targets
 159   if target in target_dirs
 160     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 161     unpack_edk2_blobs = bzip2.found()
 162     break
 163   endif
 164 endforeach
 165
 166 dtrace = not_found
 167 stap = not_found
 168 if 'dtrace' in get_option('trace_backends')
 169   dtrace = find_program('dtrace', required: true)
 170   stap = find_program('stap', required: false)
 171   if stap.found()
 172     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 173     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 174     # instead. QEMU --enable-modules depends on this because the SystemTap
 175     # semaphores are linked into the main binary and not the module's shared
 176     # object.
 177     add_global_arguments('-DSTAP_SDT_V2',
 178                          native: false, language: all_languages)
 179   endif
 180 endif
 181
 182 if get_option('iasl') == ''
 183   iasl = find_program('iasl', required: false)
 184 else
 185   iasl = find_program(get_option('iasl'), required: true)
 186 endif
 187
 188 ##################
 189 # Compiler flags #
 190 ##################
 191
 192 qemu_cflags = config_host['QEMU_CFLAGS'].split()
 193 qemu_objcflags = config_host['QEMU_OBJCFLAGS'].split()
 194 qemu_ldflags = config_host['QEMU_LDFLAGS'].split()
 195
 196 if enable_static
 197   qemu_ldflags += get_option('b_pie') ? '-static-pie' : '-static'
 198 endif
 199
 200 # Detect support for PT_GNU_RELRO + DT_BIND_NOW.
 201 # The combination is known as "full relro", because .got.plt is read-only too.
 202 qemu_ldflags += cc.get_supported_link_arguments('-Wl,-z,relro', '-Wl,-z,now')
 203
 204 if targetos == 'windows'
 205   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--no-seh', '-Wl,--nxcompat')
 206   qemu_ldflags += cc.get_supported_link_arguments('-Wl,--dynamicbase', '-Wl,--high-entropy-va')
 207 endif
 208
 209 if get_option('gprof')
 210   qemu_cflags += ['-p']
 211   qemu_objcflags += ['-p']
 212   qemu_ldflags += ['-p']
 213 endif
 214
 215 # Specify linker-script with add_project_link_arguments so that it is not placed
 216 # within a linker --start-group/--end-group pair
 217 if get_option('fuzzing')
 218   add_project_link_arguments(['-Wl,-T,',
 219                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 220                              native: false, language: all_languages)
 221
 222   # Specify a filter to only instrument code that is directly related to
 223   # virtual-devices.
 224   configure_file(output: 'instrumentation-filter',
 225                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 226                  copy: true)
 227
 228   if cc.compiles('int main () { return 0; }',
 229                   name: '-fsanitize-coverage-allowlist=/dev/null',
 230                  args: ['-fsanitize-coverage-allowlist=/dev/null',
 231                         '-fsanitize-coverage=trace-pc'] )
 232     add_global_arguments('-fsanitize-coverage-allowlist=instrumentation-filter',
 233                          native: false, language: all_languages)
 234   endif
 235
 236   if get_option('fuzzing_engine') == ''
 237     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 238     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 239     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 240     # unable to bind the fuzzer-related callbacks added by instrumentation.
 241     add_global_arguments('-fsanitize=fuzzer-no-link',
 242                          native: false, language: all_languages)
 243     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 244                               native: false, language: all_languages)
 245     # For the actual fuzzer binaries, we need to link against the libfuzzer
 246     # library. They need to be configurable, to support OSS-Fuzz
 247     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 248   else
 249     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 250     # the needed CFLAGS have already been provided
 251     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 252   endif
 253 endif
 254
 255 # Check that the C++ compiler exists and works with the C compiler.
 256 link_language = 'c'
 257 linker = cc
 258 qemu_cxxflags = []
 259 if 'cpp' in all_languages
 260   add_global_arguments(['-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS', '-D__STDC_FORMAT_MACROS'],
 261                        native: false, language: 'cpp')
 262   foreach k: qemu_cflags
 263     if k not in ['-Wstrict-prototypes', '-Wmissing-prototypes', '-Wnested-externs',
 264                  '-Wold-style-declaration', '-Wold-style-definition', '-Wredundant-decls']
 265       qemu_cxxflags += [k]
 266     endif
 267   endforeach
 268
 269   if cxx.links(files('scripts/main.c'), args: qemu_cflags)
 270     link_language = 'cpp'
 271     linker = cxx
 272   else
 273     message('C++ compiler does not work with C compiler')
 274     message('Disabling C++-specific optional code')
 275   endif
 276 endif
 277
 278 # Exclude --warn-common with TSan to suppress warnings from the TSan libraries.
 279 if targetos != 'sunos' and not config_host.has_key('CONFIG_TSAN')
 280   qemu_ldflags += linker.get_supported_link_arguments('-Wl,--warn-common')
 281 endif
 282
 283 add_global_link_arguments(qemu_ldflags, native: false, language: all_languages)
 284
 285 add_global_arguments(qemu_cflags, native: false, language: 'c')
 286 add_global_arguments(qemu_cxxflags, native: false, language: 'cpp')
 287 add_global_arguments(qemu_objcflags, native: false, language: 'objc')
 288 if targetos == 'linux'
 289   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 290                         '-isystem', 'linux-headers',
 291                         language: all_languages)
 292 endif
 293
 294 add_project_arguments('-iquote', '.',
 295                       '-iquote', meson.current_source_dir(),
 296                       '-iquote', meson.current_source_dir() / 'include',
 297                       language: all_languages)
 298
 299 sparse = find_program('cgcc', required: get_option('sparse'))
 300 if sparse.found()
 301   run_target('sparse',
 302              command: [find_program('scripts/check_sparse.py'),
 303                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 304                        '-Wno-transparent-union', '-Wno-old-initializer',
 305                        '-Wno-non-pointer-null'])
 306 endif
 307
 308 ###########################################
 309 # Target-specific checks and dependencies #
 310 ###########################################
 311
 312 # Fuzzing
 313 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 314     not cc.links('''
 315           #include <stdint.h>
 316           #include <sys/types.h>
 317           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 318           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 319         ''',
 320         args: ['-Werror', '-fsanitize=fuzzer'])
 321   error('Your compiler does not support -fsanitize=fuzzer')
 322 endif
 323
 324 # Tracing backends
 325 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 326   error('ftrace is supported only on Linux')
 327 endif
 328 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 329     #include <syslog.h>
 330     int main(void) {
 331         openlog("qemu", LOG_PID, LOG_DAEMON);
 332         syslog(LOG_INFO, "configure");
 333         return 0;
 334     }''')
 335   error('syslog is not supported on this system')
 336 endif
 337
 338 # Miscellaneous Linux-only features
 339 get_option('mpath') \
 340   .require(targetos == 'linux', error_message: 'Multipath is supported only on Linux')
 341
 342 multiprocess_allowed = get_option('multiprocess') \
 343   .require(targetos == 'linux', error_message: 'Multiprocess QEMU is supported only on Linux') \
 344   .allowed()
 345
 346 vfio_user_server_allowed = get_option('vfio_user_server') \
 347   .require(targetos == 'linux', error_message: 'vfio-user server is supported only on Linux') \
 348   .allowed()
 349
 350 have_tpm = get_option('tpm') \
 351   .require(targetos != 'windows', error_message: 'TPM emulation only available on POSIX systems') \
 352   .allowed()
 353
 354 # vhost
 355 have_vhost_user = get_option('vhost_user') \
 356   .disable_auto_if(targetos != 'linux') \
 357   .require(targetos != 'windows',
 358            error_message: 'vhost-user is not available on Windows').allowed()
 359 have_vhost_vdpa = get_option('vhost_vdpa') \
 360   .require(targetos == 'linux',
 361            error_message: 'vhost-vdpa is only available on Linux').allowed()
 362 have_vhost_kernel = get_option('vhost_kernel') \
 363   .require(targetos == 'linux',
 364            error_message: 'vhost-kernel is only available on Linux').allowed()
 365 have_vhost_user_crypto = get_option('vhost_crypto') \
 366   .require(have_vhost_user,
 367            error_message: 'vhost-crypto requires vhost-user to be enabled').allowed()
 368
 369 have_vhost = have_vhost_user or have_vhost_vdpa or have_vhost_kernel
 370
 371 have_vhost_net_user = have_vhost_user and get_option('vhost_net').allowed()
 372 have_vhost_net_vdpa = have_vhost_vdpa and get_option('vhost_net').allowed()
 373 have_vhost_net_kernel = have_vhost_kernel and get_option('vhost_net').allowed()
 374 have_vhost_net = have_vhost_net_kernel or have_vhost_net_user or have_vhost_net_vdpa
 375
 376 # Target-specific libraries and flags
 377 libm = cc.find_library('m', required: false)
 378 threads = dependency('threads')
 379 util = cc.find_library('util', required: false)
 380 winmm = []
 381 socket = []
 382 version_res = []
 383 coref = []
 384 iokit = []
 385 emulator_link_args = []
 386 nvmm =not_found
 387 hvf = not_found
 388 midl = not_found
 389 widl = not_found
 390 pathcch = not_found
 391 host_dsosuf = '.so'
 392 if targetos == 'windows'
 393   midl = find_program('midl', required: false)
 394   widl = find_program('widl', required: false)
 395   pathcch = cc.find_library('pathcch')
 396   socket = cc.find_library('ws2_32')
 397   winmm = cc.find_library('winmm')
 398
 399   win = import('windows')
 400   version_res = win.compile_resources('version.rc',
 401                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 402                                       include_directories: include_directories('.'))
 403   host_dsosuf = '.dll'
 404 elif targetos == 'darwin'
 405   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 406   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 407   host_dsosuf = '.dylib'
 408 elif targetos == 'sunos'
 409   socket = [cc.find_library('socket'),
 410             cc.find_library('nsl'),
 411             cc.find_library('resolv')]
 412 elif targetos == 'haiku'
 413   socket = [cc.find_library('posix_error_mapper'),
 414             cc.find_library('network'),
 415             cc.find_library('bsd')]
 416 elif targetos == 'openbsd'
 417   if get_option('tcg').allowed() and target_dirs.length() > 0
 418     # Disable OpenBSD W^X if available
 419     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 420   endif
 421 endif
 422
 423 # Target-specific configuration of accelerators
 424 accelerators = []
 425 if get_option('kvm').allowed() and targetos == 'linux'
 426   accelerators += 'CONFIG_KVM'
 427 endif
 428 if get_option('whpx').allowed() and targetos == 'windows'
 429   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 430     error('WHPX requires 64-bit host')
 431   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 432        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 433     accelerators += 'CONFIG_WHPX'
 434   endif
 435 endif
 436 if get_option('hvf').allowed()
 437   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 438                    required: get_option('hvf'))
 439   if hvf.found()
 440     accelerators += 'CONFIG_HVF'
 441   endif
 442 endif
 443 if get_option('hax').allowed()
 444   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 445     accelerators += 'CONFIG_HAX'
 446   endif
 447 endif
 448 if targetos == 'netbsd'
 449   nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 450   if nvmm.found()
 451     accelerators += 'CONFIG_NVMM'
 452   endif
 453 endif
 454
 455 tcg_arch = host_arch
 456 if get_option('tcg').allowed()
 457   if host_arch == 'unknown'
 458     if get_option('tcg_interpreter')
 459       warning('Unsupported CPU @0@, will use TCG with TCI (slow)'.format(cpu))
 460     else
 461       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 462     endif
 463   elif get_option('tcg_interpreter')
 464     warning('Use of the TCG interpreter is not recommended on this host')
 465     warning('architecture. There is a native TCG execution backend available')
 466     warning('which provides substantially better performance and reliability.')
 467     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 468     warning('configuration option on this architecture to use the native')
 469     warning('backend.')
 470   endif
 471   if get_option('tcg_interpreter')
 472     tcg_arch = 'tci'
 473     config_host += { 'CONFIG_TCG_INTERPRETER': 'y' }
 474   elif host_arch == 'x86_64'
 475     tcg_arch = 'i386'
 476   elif host_arch == 'ppc64'
 477     tcg_arch = 'ppc'
 478   endif
 479   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 480                         language: all_languages)
 481
 482   accelerators += 'CONFIG_TCG'
 483   config_host += { 'CONFIG_TCG': 'y' }
 484 endif
 485
 486 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 487   error('KVM not available on this platform')
 488 endif
 489 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 490   error('HVF not available on this platform')
 491 endif
 492 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 493   error('NVMM not available on this platform')
 494 endif
 495 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 496   error('WHPX not available on this platform')
 497 endif
 498
 499 ################
 500 # Dependencies #
 501 ################
 502
 503 # The path to glib.h is added to all compilation commands.  This was
 504 # grandfathered in from the QEMU Makefiles.
 505 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 506                       native: false, language: all_languages)
 507 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 508                           link_args: config_host['GLIB_LIBS'].split(),
 509                           version: config_host['GLIB_VERSION'],
 510                           variables: {
 511                             'bindir': config_host['GLIB_BINDIR'],
 512                           })
 513 # override glib dep with the configure results (for subprojects)
 514 meson.override_dependency('glib-2.0', glib)
 515
 516 gio = not_found
 517 gdbus_codegen = not_found
 518 gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
 519 if not get_option('gio').auto() or have_system
 520   gio = dependency('gio-2.0', required: get_option('gio'),
 521                    method: 'pkg-config', kwargs: static_kwargs)
 522   if gio.found() and not cc.links('''
 523     #include <gio/gio.h>
 524     int main(void)
 525     {
 526       g_dbus_proxy_new_sync(0, 0, 0, 0, 0, 0, 0, 0);
 527       return 0;
 528     }''', dependencies: [glib, gio])
 529     if get_option('gio').enabled()
 530       error('The installed libgio is broken for static linking')
 531     endif
 532     gio = not_found
 533   endif
 534   if gio.found()
 535     gdbus_codegen = find_program(gio.get_variable('gdbus_codegen'),
 536                                  required: get_option('gio'))
 537     gio_unix = dependency('gio-unix-2.0', required: get_option('gio'),
 538                           method: 'pkg-config', kwargs: static_kwargs)
 539     gio = declare_dependency(dependencies: [gio, gio_unix],
 540                              version: gio.version())
 541   endif
 542 endif
 543 if gdbus_codegen.found() and get_option('cfi')
 544   gdbus_codegen = not_found
 545   gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
 546 endif
 547
 548 lttng = not_found
 549 if 'ust' in get_option('trace_backends')
 550   lttng = dependency('lttng-ust', required: true, version: '>= 2.1',
 551                      method: 'pkg-config', kwargs: static_kwargs)
 552 endif
 553 pixman = not_found
 554 if have_system or have_tools
 555   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 556                       method: 'pkg-config', kwargs: static_kwargs)
 557 endif
 558 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 559
 560 libaio = not_found
 561 if not get_option('linux_aio').auto() or have_block
 562   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 563                            required: get_option('linux_aio'),
 564                            kwargs: static_kwargs)
 565 endif
 566
 567 linux_io_uring_test = '''
 568   #include <liburing.h>
 569   #include <linux/errqueue.h>
 570
 571   int main(void) { return 0; }'''
 572
 573 linux_io_uring = not_found
 574 if not get_option('linux_io_uring').auto() or have_block
 575   linux_io_uring = dependency('liburing', version: '>=0.3',
 576                               required: get_option('linux_io_uring'),
 577                               method: 'pkg-config', kwargs: static_kwargs)
 578   if not cc.links(linux_io_uring_test)
 579     linux_io_uring = not_found
 580   endif
 581 endif
 582
 583 libnfs = not_found
 584 if not get_option('libnfs').auto() or have_block
 585   libnfs = dependency('libnfs', version: '>=1.9.3',
 586                       required: get_option('libnfs'),
 587                       method: 'pkg-config', kwargs: static_kwargs)
 588 endif
 589
 590 libattr_test = '''
 591   #include <stddef.h>
 592   #include <sys/types.h>
 593   #ifdef CONFIG_LIBATTR
 594   #include <attr/xattr.h>
 595   #else
 596   #include <sys/xattr.h>
 597   #endif
 598   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 599
 600 libattr = not_found
 601 have_old_libattr = false
 602 if get_option('attr').allowed()
 603   if cc.links(libattr_test)
 604     libattr = declare_dependency()
 605   else
 606     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 607                               required: get_option('attr'),
 608                               kwargs: static_kwargs)
 609     if libattr.found() and not \
 610       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 611       libattr = not_found
 612       if get_option('attr').enabled()
 613         error('could not link libattr')
 614       else
 615         warning('could not link libattr, disabling')
 616       endif
 617     else
 618       have_old_libattr = libattr.found()
 619     endif
 620   endif
 621 endif
 622
 623 cocoa = dependency('appleframeworks', modules: ['Cocoa', 'CoreVideo'],
 624                    required: get_option('cocoa'))
 625
 626 vmnet = dependency('appleframeworks', modules: 'vmnet', required: get_option('vmnet'))
 627 if vmnet.found() and not cc.has_header_symbol('vmnet/vmnet.h',
 628                                               'VMNET_BRIDGED_MODE',
 629                                               dependencies: vmnet)
 630   vmnet = not_found
 631   if get_option('vmnet').enabled()
 632     error('vmnet.framework API is outdated')
 633   else
 634     warning('vmnet.framework API is outdated, disabling')
 635   endif
 636 endif
 637
 638 seccomp = not_found
 639 seccomp_has_sysrawrc = false
 640 if not get_option('seccomp').auto() or have_system or have_tools
 641   seccomp = dependency('libseccomp', version: '>=2.3.0',
 642                        required: get_option('seccomp'),
 643                        method: 'pkg-config', kwargs: static_kwargs)
 644   if seccomp.found()
 645     seccomp_has_sysrawrc = cc.has_header_symbol('seccomp.h',
 646                                                 'SCMP_FLTATR_API_SYSRAWRC',
 647                                                 dependencies: seccomp)
 648   endif
 649 endif
 650
 651 libcap_ng = not_found
 652 if not get_option('cap_ng').auto() or have_system or have_tools
 653   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 654                               required: get_option('cap_ng'),
 655                               kwargs: static_kwargs)
 656 endif
 657 if libcap_ng.found() and not cc.links('''
 658    #include <cap-ng.h>
 659    int main(void)
 660    {
 661      capng_capability_to_name(CAPNG_EFFECTIVE);
 662      return 0;
 663    }''', dependencies: libcap_ng)
 664   libcap_ng = not_found
 665   if get_option('cap_ng').enabled()
 666     error('could not link libcap-ng')
 667   else
 668     warning('could not link libcap-ng, disabling')
 669   endif
 670 endif
 671
 672 if get_option('xkbcommon').auto() and not have_system and not have_tools
 673   xkbcommon = not_found
 674 else
 675   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 676                          method: 'pkg-config', kwargs: static_kwargs)
 677 endif
 678
 679 slirp = not_found
 680 if not get_option('slirp').auto() or have_system
 681   slirp = dependency('slirp', required: get_option('slirp'),
 682                      method: 'pkg-config', kwargs: static_kwargs)
 683   # slirp < 4.7 is incompatible with CFI support in QEMU.  This is because
 684   # it passes function pointers within libslirp as callbacks for timers.
 685   # When using a system-wide shared libslirp, the type information for the
 686   # callback is missing and the timer call produces a false positive with CFI.
 687   # Do not use the "version" keyword argument to produce a better error.
 688   # with control-flow integrity.
 689   if get_option('cfi') and slirp.found() and slirp.version().version_compare('<4.7')
 690     if get_option('slirp').enabled()
 691       error('Control-Flow Integrity requires libslirp 4.7.')
 692     else
 693       warning('Cannot use libslirp since Control-Flow Integrity requires libslirp >= 4.7.')
 694       slirp = not_found
 695     endif
 696   endif
 697 endif
 698
 699 vde = not_found
 700 if not get_option('vde').auto() or have_system or have_tools
 701   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 702                            required: get_option('vde'),
 703                            kwargs: static_kwargs)
 704 endif
 705 if vde.found() and not cc.links('''
 706    #include <libvdeplug.h>
 707    int main(void)
 708    {
 709      struct vde_open_args a = {0, 0, 0};
 710      char s[] = "";
 711      vde_open(s, s, &a);
 712      return 0;
 713    }''', dependencies: vde)
 714   vde = not_found
 715   if get_option('cap_ng').enabled()
 716     error('could not link libvdeplug')
 717   else
 718     warning('could not link libvdeplug, disabling')
 719   endif
 720 endif
 721
 722 pulse = not_found
 723 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 724   pulse = dependency('libpulse', required: get_option('pa'),
 725                      method: 'pkg-config', kwargs: static_kwargs)
 726 endif
 727 alsa = not_found
 728 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 729   alsa = dependency('alsa', required: get_option('alsa'),
 730                     method: 'pkg-config', kwargs: static_kwargs)
 731 endif
 732 jack = not_found
 733 if not get_option('jack').auto() or have_system
 734   jack = dependency('jack', required: get_option('jack'),
 735                     method: 'pkg-config', kwargs: static_kwargs)
 736 endif
 737 sndio = not_found
 738 if not get_option('sndio').auto() or have_system
 739   sndio = dependency('sndio', required: get_option('sndio'),
 740                     method: 'pkg-config', kwargs: static_kwargs)
 741 endif
 742
 743 spice_protocol = not_found
 744 if not get_option('spice_protocol').auto() or have_system
 745   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 746                               required: get_option('spice_protocol'),
 747                               method: 'pkg-config', kwargs: static_kwargs)
 748 endif
 749 spice = not_found
 750 if not get_option('spice').auto() or have_system
 751   spice = dependency('spice-server', version: '>=0.12.5',
 752                      required: get_option('spice'),
 753                      method: 'pkg-config', kwargs: static_kwargs)
 754 endif
 755 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 756
 757 rt = cc.find_library('rt', required: false)
 758
 759 libiscsi = not_found
 760 if not get_option('libiscsi').auto() or have_block
 761   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 762                          required: get_option('libiscsi'),
 763                          method: 'pkg-config', kwargs: static_kwargs)
 764 endif
 765 zstd = not_found
 766 if not get_option('zstd').auto() or have_block
 767   zstd = dependency('libzstd', version: '>=1.4.0',
 768                     required: get_option('zstd'),
 769                     method: 'pkg-config', kwargs: static_kwargs)
 770 endif
 771 virgl = not_found
 772
 773 have_vhost_user_gpu = have_tools and targetos == 'linux' and pixman.found()
 774 if not get_option('virglrenderer').auto() or have_system or have_vhost_user_gpu
 775   virgl = dependency('virglrenderer',
 776                      method: 'pkg-config',
 777                      required: get_option('virglrenderer'),
 778                      kwargs: static_kwargs)
 779 endif
 780 blkio = not_found
 781 if not get_option('blkio').auto() or have_block
 782   blkio = dependency('blkio',
 783                      method: 'pkg-config',
 784                      required: get_option('blkio'),
 785                      kwargs: static_kwargs)
 786 endif
 787 curl = not_found
 788 if not get_option('curl').auto() or have_block
 789   curl = dependency('libcurl', version: '>=7.29.0',
 790                     method: 'pkg-config',
 791                     required: get_option('curl'),
 792                     kwargs: static_kwargs)
 793 endif
 794 libudev = not_found
 795 if targetos == 'linux' and (have_system or have_tools)
 796   libudev = dependency('libudev',
 797                        method: 'pkg-config',
 798                        required: get_option('libudev'),
 799                        kwargs: static_kwargs)
 800 endif
 801
 802 mpathlibs = [libudev]
 803 mpathpersist = not_found
 804 mpathpersist_new_api = false
 805 if targetos == 'linux' and have_tools and get_option('mpath').allowed()
 806   mpath_test_source_new = '''
 807     #include <libudev.h>
 808     #include <mpath_persist.h>
 809     unsigned mpath_mx_alloc_len = 1024;
 810     int logsink;
 811     static struct config *multipath_conf;
 812     extern struct udev *udev;
 813     extern struct config *get_multipath_config(void);
 814     extern void put_multipath_config(struct config *conf);
 815     struct udev *udev;
 816     struct config *get_multipath_config(void) { return multipath_conf; }
 817     void put_multipath_config(struct config *conf) { }
 818     int main(void) {
 819         udev = udev_new();
 820         multipath_conf = mpath_lib_init();
 821         return 0;
 822     }'''
 823   mpath_test_source_old = '''
 824       #include <libudev.h>
 825       #include <mpath_persist.h>
 826       unsigned mpath_mx_alloc_len = 1024;
 827       int logsink;
 828       int main(void) {
 829           struct udev *udev = udev_new();
 830           mpath_lib_init(udev);
 831           return 0;
 832       }'''
 833   libmpathpersist = cc.find_library('mpathpersist',
 834                                     required: get_option('mpath'),
 835                                     kwargs: static_kwargs)
 836   if libmpathpersist.found()
 837     mpathlibs += libmpathpersist
 838     if enable_static
 839       mpathlibs += cc.find_library('devmapper',
 840                                      required: get_option('mpath'),
 841                                      kwargs: static_kwargs)
 842     endif
 843     mpathlibs += cc.find_library('multipath',
 844                                  required: get_option('mpath'),
 845                                  kwargs: static_kwargs)
 846     foreach lib: mpathlibs
 847       if not lib.found()
 848         mpathlibs = []
 849         break
 850       endif
 851     endforeach
 852     if mpathlibs.length() == 0
 853       msg = 'Dependencies missing for libmpathpersist'
 854     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 855       mpathpersist = declare_dependency(dependencies: mpathlibs)
 856       mpathpersist_new_api = true
 857     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 858       mpathpersist = declare_dependency(dependencies: mpathlibs)
 859     else
 860       msg = 'Cannot detect libmpathpersist API'
 861     endif
 862     if not mpathpersist.found()
 863       if get_option('mpath').enabled()
 864         error(msg)
 865       else
 866         warning(msg + ', disabling')
 867       endif
 868     endif
 869   endif
 870 endif
 871
 872 iconv = not_found
 873 curses = not_found
 874 if have_system and get_option('curses').allowed()
 875   curses_test = '''
 876     #if defined(__APPLE__) || defined(__OpenBSD__)
 877     #define _XOPEN_SOURCE_EXTENDED 1
 878     #endif
 879     #include <locale.h>
 880     #include <curses.h>
 881     #include <wchar.h>
 882     int main(void) {
 883       wchar_t wch = L'w';
 884       setlocale(LC_ALL, "");
 885       resize_term(0, 0);
 886       addwstr(L"wide chars\n");
 887       addnwstr(&wch, 1);
 888       add_wch(WACS_DEGREE);
 889       return 0;
 890     }'''
 891
 892   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 893   curses = dependency(curses_dep_list,
 894                       required: false,
 895                       method: 'pkg-config',
 896                       kwargs: static_kwargs)
 897   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 898   curses_compile_args = ['-DNCURSES_WIDECHAR=1']
 899   if curses.found()
 900     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 901       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 902     else
 903       msg = 'curses package not usable'
 904       curses = not_found
 905     endif
 906   endif
 907   if not curses.found()
 908     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 909     if targetos != 'windows' and not has_curses_h
 910       message('Trying with /usr/include/ncursesw')
 911       curses_compile_args += ['-I/usr/include/ncursesw']
 912       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 913     endif
 914     if has_curses_h
 915       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 916       foreach curses_libname : curses_libname_list
 917         libcurses = cc.find_library(curses_libname,
 918                                     required: false,
 919                                     kwargs: static_kwargs)
 920         if libcurses.found()
 921           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 922             curses = declare_dependency(compile_args: curses_compile_args,
 923                                         dependencies: [libcurses])
 924             break
 925           else
 926             msg = 'curses library not usable'
 927           endif
 928         endif
 929       endforeach
 930     endif
 931   endif
 932   if get_option('iconv').allowed()
 933     foreach link_args : [ ['-liconv'], [] ]
 934       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 935       # We need to use libiconv if available because mixing libiconv's headers with
 936       # the system libc does not work.
 937       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 938       # included in the command line and libiconv will not be found.
 939       if cc.links('''
 940         #include <iconv.h>
 941         int main(void) {
 942           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 943           return conv != (iconv_t) -1;
 944         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 945         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 946         break
 947       endif
 948     endforeach
 949   endif
 950   if curses.found() and not iconv.found()
 951     if get_option('iconv').enabled()
 952       error('iconv not available')
 953     endif
 954     msg = 'iconv required for curses UI but not available'
 955     curses = not_found
 956   endif
 957   if not curses.found() and msg != ''
 958     if get_option('curses').enabled()
 959       error(msg)
 960     else
 961       warning(msg + ', disabling')
 962     endif
 963   endif
 964 endif
 965
 966 brlapi = not_found
 967 if not get_option('brlapi').auto() or have_system
 968   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 969                          required: get_option('brlapi'),
 970                          kwargs: static_kwargs)
 971   if brlapi.found() and not cc.links('''
 972      #include <brlapi.h>
 973      #include <stddef.h>
 974      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 975     brlapi = not_found
 976     if get_option('brlapi').enabled()
 977       error('could not link brlapi')
 978     else
 979       warning('could not link brlapi, disabling')
 980     endif
 981   endif
 982 endif
 983
 984 sdl = not_found
 985 if not get_option('sdl').auto() or have_system
 986   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 987   sdl_image = not_found
 988 endif
 989 if sdl.found()
 990   # work around 2.0.8 bug
 991   sdl = declare_dependency(compile_args: '-Wno-undef',
 992                            dependencies: sdl)
 993   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 994                          method: 'pkg-config', kwargs: static_kwargs)
 995 else
 996   if get_option('sdl_image').enabled()
 997     error('sdl-image required, but SDL was @0@'.format(
 998           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 999   endif
1000   sdl_image = not_found
1001 endif
1002
1003 rbd = not_found
1004 if not get_option('rbd').auto() or have_block
1005   librados = cc.find_library('rados', required: get_option('rbd'),
1006                              kwargs: static_kwargs)
1007   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
1008                            required: get_option('rbd'),
1009                            kwargs: static_kwargs)
1010   if librados.found() and librbd.found()
1011     if cc.links('''
1012       #include <stdio.h>
1013       #include <rbd/librbd.h>
1014       int main(void) {
1015         rados_t cluster;
1016         rados_create(&cluster, NULL);
1017         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
1018         #error
1019         #endif
1020         return 0;
1021       }''', dependencies: [librbd, librados])
1022       rbd = declare_dependency(dependencies: [librbd, librados])
1023     elif get_option('rbd').enabled()
1024       error('librbd >= 1.12.0 required')
1025     else
1026       warning('librbd >= 1.12.0 not found, disabling')
1027     endif
1028   endif
1029 endif
1030
1031 glusterfs = not_found
1032 glusterfs_ftruncate_has_stat = false
1033 glusterfs_iocb_has_stat = false
1034 if not get_option('glusterfs').auto() or have_block
1035   glusterfs = dependency('glusterfs-api', version: '>=3',
1036                          required: get_option('glusterfs'),
1037                          method: 'pkg-config', kwargs: static_kwargs)
1038   if glusterfs.found()
1039     glusterfs_ftruncate_has_stat = cc.links('''
1040       #include <glusterfs/api/glfs.h>
1041
1042       int
1043       main(void)
1044       {
1045           /* new glfs_ftruncate() passes two additional args */
1046           return glfs_ftruncate(NULL, 0, NULL, NULL);
1047       }
1048     ''', dependencies: glusterfs)
1049     glusterfs_iocb_has_stat = cc.links('''
1050       #include <glusterfs/api/glfs.h>
1051
1052       /* new glfs_io_cbk() passes two additional glfs_stat structs */
1053       static void
1054       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
1055       {}
1056
1057       int
1058       main(void)
1059       {
1060           glfs_io_cbk iocb = &glusterfs_iocb;
1061           iocb(NULL, 0 , NULL, NULL, NULL);
1062           return 0;
1063       }
1064     ''', dependencies: glusterfs)
1065   endif
1066 endif
1067
1068 libssh = not_found
1069 if not get_option('libssh').auto() or have_block
1070   libssh = dependency('libssh', version: '>=0.8.7',
1071                     method: 'pkg-config',
1072                     required: get_option('libssh'),
1073                     kwargs: static_kwargs)
1074 endif
1075
1076 libbzip2 = not_found
1077 if not get_option('bzip2').auto() or have_block
1078   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
1079                              required: get_option('bzip2'),
1080                              kwargs: static_kwargs)
1081   if libbzip2.found() and not cc.links('''
1082      #include <bzlib.h>
1083      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
1084     libbzip2 = not_found
1085     if get_option('bzip2').enabled()
1086       error('could not link libbzip2')
1087     else
1088       warning('could not link libbzip2, disabling')
1089     endif
1090   endif
1091 endif
1092
1093 liblzfse = not_found
1094 if not get_option('lzfse').auto() or have_block
1095   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
1096                              required: get_option('lzfse'),
1097                              kwargs: static_kwargs)
1098 endif
1099 if liblzfse.found() and not cc.links('''
1100    #include <lzfse.h>
1101    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
1102   liblzfse = not_found
1103   if get_option('lzfse').enabled()
1104     error('could not link liblzfse')
1105   else
1106     warning('could not link liblzfse, disabling')
1107   endif
1108 endif
1109
1110 oss = not_found
1111 if get_option('oss').allowed() and have_system
1112   if not cc.has_header('sys/soundcard.h')
1113     # not found
1114   elif targetos == 'netbsd'
1115     oss = cc.find_library('ossaudio', required: get_option('oss'),
1116                           kwargs: static_kwargs)
1117   else
1118     oss = declare_dependency()
1119   endif
1120
1121   if not oss.found()
1122     if get_option('oss').enabled()
1123       error('OSS not found')
1124     endif
1125   endif
1126 endif
1127 dsound = not_found
1128 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
1129   if cc.has_header('dsound.h')
1130     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
1131   endif
1132
1133   if not dsound.found()
1134     if get_option('dsound').enabled()
1135       error('DirectSound not found')
1136     endif
1137   endif
1138 endif
1139
1140 coreaudio = not_found
1141 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
1142   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
1143                          required: get_option('coreaudio'))
1144 endif
1145
1146 opengl = not_found
1147 if not get_option('opengl').auto() or have_system or have_vhost_user_gpu
1148   epoxy = dependency('epoxy', method: 'pkg-config',
1149                       required: get_option('opengl'), kwargs: static_kwargs)
1150   if cc.has_header('epoxy/egl.h', dependencies: epoxy)
1151     opengl = epoxy
1152   elif get_option('opengl').enabled()
1153     error('epoxy/egl.h not found')
1154   endif
1155 endif
1156 gbm = not_found
1157 if (have_system or have_tools) and (virgl.found() or opengl.found())
1158   gbm = dependency('gbm', method: 'pkg-config', required: false,
1159                    kwargs: static_kwargs)
1160 endif
1161 have_vhost_user_gpu = have_vhost_user_gpu and virgl.found() and opengl.found() and gbm.found()
1162
1163 gnutls = not_found
1164 gnutls_crypto = not_found
1165 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
1166   # For general TLS support our min gnutls matches
1167   # that implied by our platform support matrix
1168   #
1169   # For the crypto backends, we look for a newer
1170   # gnutls:
1171   #
1172   #   Version 3.6.8  is needed to get XTS
1173   #   Version 3.6.13 is needed to get PBKDF
1174   #   Version 3.6.14 is needed to get HW accelerated XTS
1175   #
1176   # If newer enough gnutls isn't available, we can
1177   # still use a different crypto backend to satisfy
1178   # the platform support requirements
1179   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
1180                              method: 'pkg-config',
1181                              required: false,
1182                              kwargs: static_kwargs)
1183   if gnutls_crypto.found()
1184     gnutls = gnutls_crypto
1185   else
1186     # Our min version if all we need is TLS
1187     gnutls = dependency('gnutls', version: '>=3.5.18',
1188                         method: 'pkg-config',
1189                         required: get_option('gnutls'),
1190                         kwargs: static_kwargs)
1191   endif
1192 endif
1193
1194 # We prefer use of gnutls for crypto, unless the options
1195 # explicitly asked for nettle or gcrypt.
1196 #
1197 # If gnutls isn't available for crypto, then we'll prefer
1198 # gcrypt over nettle for performance reasons.
1199 gcrypt = not_found
1200 nettle = not_found
1201 hogweed = not_found
1202 xts = 'none'
1203
1204 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1205   error('Only one of gcrypt & nettle can be enabled')
1206 endif
1207
1208 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1209 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1210   gnutls_crypto = not_found
1211 endif
1212
1213 if not gnutls_crypto.found()
1214   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1215     gcrypt = dependency('libgcrypt', version: '>=1.8',
1216                         method: 'config-tool',
1217                         required: get_option('gcrypt'),
1218                         kwargs: static_kwargs)
1219     # Debian has removed -lgpg-error from libgcrypt-config
1220     # as it "spreads unnecessary dependencies" which in
1221     # turn breaks static builds...
1222     if gcrypt.found() and enable_static
1223       gcrypt = declare_dependency(dependencies: [
1224         gcrypt,
1225         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1226     endif
1227   endif
1228   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1229     nettle = dependency('nettle', version: '>=3.4',
1230                         method: 'pkg-config',
1231                         required: get_option('nettle'),
1232                         kwargs: static_kwargs)
1233     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1234       xts = 'private'
1235     endif
1236   endif
1237 endif
1238
1239 gmp = dependency('gmp', required: false, method: 'pkg-config', kwargs: static_kwargs)
1240 if nettle.found() and gmp.found()
1241   hogweed = dependency('hogweed', version: '>=3.4',
1242                        method: 'pkg-config',
1243                        required: get_option('nettle'),
1244                        kwargs: static_kwargs)
1245 endif
1246
1247
1248 gtk = not_found
1249 gtkx11 = not_found
1250 vte = not_found
1251 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
1252
1253 if not get_option('gtk').auto() or have_system
1254   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1255                    method: 'pkg-config',
1256                    required: get_option('gtk'),
1257                    kwargs: static_kwargs)
1258   if gtk.found()
1259     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1260                         method: 'pkg-config',
1261                         required: false,
1262                         kwargs: static_kwargs)
1263     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1264
1265     if not get_option('vte').auto() or have_system
1266       vte = dependency('vte-2.91',
1267                        method: 'pkg-config',
1268                        required: get_option('vte'),
1269                        kwargs: static_kwargs)
1270     endif
1271   elif have_gtk_clipboard
1272     error('GTK clipboard requested, but GTK not found')
1273   endif
1274 endif
1275
1276 x11 = not_found
1277 if gtkx11.found()
1278   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1279                    kwargs: static_kwargs)
1280 endif
1281 png = not_found
1282 if get_option('png').allowed() and have_system
1283    png = dependency('libpng', version: '>=1.6.34', required: get_option('png'),
1284                     method: 'pkg-config', kwargs: static_kwargs)
1285 endif
1286 vnc = not_found
1287 jpeg = not_found
1288 sasl = not_found
1289 if get_option('vnc').allowed() and have_system
1290   vnc = declare_dependency() # dummy dependency
1291   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1292                     method: 'pkg-config', kwargs: static_kwargs)
1293   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1294                          required: get_option('vnc_sasl'),
1295                          kwargs: static_kwargs)
1296   if sasl.found()
1297     sasl = declare_dependency(dependencies: sasl,
1298                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1299   endif
1300 endif
1301
1302 pam = not_found
1303 if not get_option('auth_pam').auto() or have_system
1304   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1305                         required: get_option('auth_pam'),
1306                         kwargs: static_kwargs)
1307 endif
1308 if pam.found() and not cc.links('''
1309    #include <stddef.h>
1310    #include <security/pam_appl.h>
1311    int main(void) {
1312      const char *service_name = "qemu";
1313      const char *user = "frank";
1314      const struct pam_conv pam_conv = { 0 };
1315      pam_handle_t *pamh = NULL;
1316      pam_start(service_name, user, &pam_conv, &pamh);
1317      return 0;
1318    }''', dependencies: pam)
1319   pam = not_found
1320   if get_option('auth_pam').enabled()
1321     error('could not link libpam')
1322   else
1323     warning('could not link libpam, disabling')
1324   endif
1325 endif
1326
1327 snappy = not_found
1328 if not get_option('snappy').auto() or have_system
1329   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1330                            required: get_option('snappy'),
1331                            kwargs: static_kwargs)
1332 endif
1333 if snappy.found() and not linker.links('''
1334    #include <snappy-c.h>
1335    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1336   snappy = not_found
1337   if get_option('snappy').enabled()
1338     error('could not link libsnappy')
1339   else
1340     warning('could not link libsnappy, disabling')
1341   endif
1342 endif
1343
1344 lzo = not_found
1345 if not get_option('lzo').auto() or have_system
1346   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1347                         required: get_option('lzo'),
1348                         kwargs: static_kwargs)
1349 endif
1350 if lzo.found() and not cc.links('''
1351    #include <lzo/lzo1x.h>
1352    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1353   lzo = not_found
1354   if get_option('lzo').enabled()
1355     error('could not link liblzo2')
1356   else
1357     warning('could not link liblzo2, disabling')
1358   endif
1359 endif
1360
1361 numa = not_found
1362 if not get_option('numa').auto() or have_system or have_tools
1363   numa = cc.find_library('numa', has_headers: ['numa.h'],
1364                               required: get_option('numa'),
1365                               kwargs: static_kwargs)
1366 endif
1367 if numa.found() and not cc.links('''
1368    #include <numa.h>
1369    int main(void) { return numa_available(); }
1370    ''', dependencies: numa)
1371   numa = not_found
1372   if get_option('numa').enabled()
1373     error('could not link numa')
1374   else
1375     warning('could not link numa, disabling')
1376   endif
1377 endif
1378
1379 rdma = not_found
1380 if not get_option('rdma').auto() or have_system
1381   libumad = cc.find_library('ibumad', required: get_option('rdma'))
1382   rdma_libs = [cc.find_library('rdmacm', has_headers: ['rdma/rdma_cma.h'],
1383                                required: get_option('rdma'),
1384                                kwargs: static_kwargs),
1385                cc.find_library('ibverbs', required: get_option('rdma'),
1386                                kwargs: static_kwargs),
1387                libumad]
1388   rdma = declare_dependency(dependencies: rdma_libs)
1389   foreach lib: rdma_libs
1390     if not lib.found()
1391       rdma = not_found
1392     endif
1393   endforeach
1394 endif
1395
1396 xen = not_found
1397 if get_option('xen').enabled() or (get_option('xen').auto() and have_system)
1398   xencontrol = dependency('xencontrol', required: false,
1399                           method: 'pkg-config', kwargs: static_kwargs)
1400   if xencontrol.found()
1401     xen_pc = declare_dependency(version: xencontrol.version(),
1402       dependencies: [
1403         xencontrol,
1404         # disabler: true makes xen_pc.found() return false if any is not found
1405         dependency('xenstore', required: false,
1406                    method: 'pkg-config', kwargs: static_kwargs,
1407                    disabler: true),
1408         dependency('xenforeignmemory', required: false,
1409                    method: 'pkg-config', kwargs: static_kwargs,
1410                    disabler: true),
1411         dependency('xengnttab', required: false,
1412                    method: 'pkg-config', kwargs: static_kwargs,
1413                    disabler: true),
1414         dependency('xenevtchn', required: false,
1415                    method: 'pkg-config', kwargs: static_kwargs,
1416                    disabler: true),
1417         dependency('xendevicemodel', required: false,
1418                    method: 'pkg-config', kwargs: static_kwargs,
1419                    disabler: true),
1420         # optional, no "disabler: true"
1421         dependency('xentoolcore', required: false,
1422                    method: 'pkg-config', kwargs: static_kwargs)])
1423     if xen_pc.found()
1424       xen = xen_pc
1425     endif
1426   endif
1427   if not xen.found()
1428     xen_tests = [ '4.11.0', '4.10.0', '4.9.0', '4.8.0', '4.7.1', '4.6.0', '4.5.0', '4.2.0' ]
1429     xen_libs = {
1430       '4.11.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1431       '4.10.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn', 'xentoolcore' ],
1432       '4.9.0': [ 'xenstore', 'xenctrl', 'xendevicemodel', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1433       '4.8.0': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1434       '4.7.1': [ 'xenstore', 'xenctrl', 'xenforeignmemory', 'xengnttab', 'xenevtchn' ],
1435       '4.6.0': [ 'xenstore', 'xenctrl' ],
1436       '4.5.0': [ 'xenstore', 'xenctrl' ],
1437       '4.2.0': [ 'xenstore', 'xenctrl' ],
1438     }
1439     xen_deps = {}
1440     foreach ver: xen_tests
1441       # cache the various library tests to avoid polluting the logs
1442       xen_test_deps = []
1443       foreach l: xen_libs[ver]
1444         if l not in xen_deps
1445           xen_deps += { l: cc.find_library(l, required: false) }
1446         endif
1447         xen_test_deps += xen_deps[l]
1448       endforeach
1449
1450       # Use -D to pick just one of the test programs in scripts/xen-detect.c
1451       xen_version = ver.split('.')
1452       xen_ctrl_version = xen_version[0] + \
1453         ('0' + xen_version[1]).substring(-2) + \
1454         ('0' + xen_version[2]).substring(-2)
1455       if cc.links(files('scripts/xen-detect.c'),
1456                   args: '-DCONFIG_XEN_CTRL_INTERFACE_VERSION=' + xen_ctrl_version,
1457                   dependencies: xen_test_deps)
1458         xen = declare_dependency(version: ver, dependencies: xen_test_deps)
1459         break
1460       endif
1461     endforeach
1462   endif
1463   if xen.found()
1464     accelerators += 'CONFIG_XEN'
1465   elif get_option('xen').enabled()
1466     error('could not compile and link Xen test program')
1467   endif
1468 endif
1469 have_xen_pci_passthrough = get_option('xen_pci_passthrough') \
1470   .require(xen.found(),
1471            error_message: 'Xen PCI passthrough requested but Xen not enabled') \
1472   .require(targetos == 'linux',
1473            error_message: 'Xen PCI passthrough not available on this platform') \
1474   .allowed()
1475
1476
1477 cacard = not_found
1478 if not get_option('smartcard').auto() or have_system
1479   cacard = dependency('libcacard', required: get_option('smartcard'),
1480                       version: '>=2.5.1', method: 'pkg-config',
1481                       kwargs: static_kwargs)
1482 endif
1483 u2f = not_found
1484 if have_system
1485   u2f = dependency('u2f-emu', required: get_option('u2f'),
1486                    method: 'pkg-config',
1487                    kwargs: static_kwargs)
1488 endif
1489 canokey = not_found
1490 if have_system
1491   canokey = dependency('canokey-qemu', required: get_option('canokey'),
1492                    method: 'pkg-config',
1493                    kwargs: static_kwargs)
1494 endif
1495 usbredir = not_found
1496 if not get_option('usb_redir').auto() or have_system
1497   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1498                         version: '>=0.6', method: 'pkg-config',
1499                         kwargs: static_kwargs)
1500 endif
1501 libusb = not_found
1502 if not get_option('libusb').auto() or have_system
1503   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1504                       version: '>=1.0.13', method: 'pkg-config',
1505                       kwargs: static_kwargs)
1506 endif
1507
1508 libpmem = not_found
1509 if not get_option('libpmem').auto() or have_system
1510   libpmem = dependency('libpmem', required: get_option('libpmem'),
1511                        method: 'pkg-config', kwargs: static_kwargs)
1512 endif
1513 libdaxctl = not_found
1514 if not get_option('libdaxctl').auto() or have_system
1515   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1516                          version: '>=57', method: 'pkg-config',
1517                          kwargs: static_kwargs)
1518 endif
1519 tasn1 = not_found
1520 if gnutls.found()
1521   tasn1 = dependency('libtasn1',
1522                      method: 'pkg-config',
1523                      kwargs: static_kwargs)
1524 endif
1525 keyutils = dependency('libkeyutils', required: false,
1526                       method: 'pkg-config', kwargs: static_kwargs)
1527
1528 has_gettid = cc.has_function('gettid')
1529
1530 # libselinux
1531 selinux = dependency('libselinux',
1532                      required: get_option('selinux'),
1533                      method: 'pkg-config', kwargs: static_kwargs)
1534
1535 # Malloc tests
1536
1537 malloc = []
1538 if get_option('malloc') == 'system'
1539   has_malloc_trim = \
1540     get_option('malloc_trim').allowed() and \
1541     cc.links('''#include <malloc.h>
1542                 int main(void) { malloc_trim(0); return 0; }''')
1543 else
1544   has_malloc_trim = false
1545   malloc = cc.find_library(get_option('malloc'), required: true)
1546 endif
1547 if not has_malloc_trim and get_option('malloc_trim').enabled()
1548   if get_option('malloc') == 'system'
1549     error('malloc_trim not available on this platform.')
1550   else
1551     error('malloc_trim not available with non-libc memory allocator')
1552   endif
1553 endif
1554
1555 # Check whether the glibc provides statx()
1556
1557 gnu_source_prefix = '''
1558   #ifndef _GNU_SOURCE
1559   #define _GNU_SOURCE
1560   #endif
1561 '''
1562 statx_test = gnu_source_prefix + '''
1563   #include <sys/stat.h>
1564   int main(void) {
1565     struct statx statxbuf;
1566     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1567     return 0;
1568   }'''
1569
1570 has_statx = cc.links(statx_test)
1571
1572 # Check whether statx() provides mount ID information
1573
1574 statx_mnt_id_test = gnu_source_prefix + '''
1575   #include <sys/stat.h>
1576   int main(void) {
1577     struct statx statxbuf;
1578     statx(0, "", 0, STATX_BASIC_STATS | STATX_MNT_ID, &statxbuf);
1579     return statxbuf.stx_mnt_id;
1580   }'''
1581
1582 has_statx_mnt_id = cc.links(statx_mnt_id_test)
1583
1584 have_vhost_user_blk_server = get_option('vhost_user_blk_server') \
1585   .require(targetos == 'linux',
1586            error_message: 'vhost_user_blk_server requires linux') \
1587   .require(have_vhost_user,
1588            error_message: 'vhost_user_blk_server requires vhost-user support') \
1589   .disable_auto_if(not have_tools and not have_system) \
1590   .allowed()
1591
1592 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1593   error('Cannot enable fuse-lseek while fuse is disabled')
1594 endif
1595
1596 fuse = dependency('fuse3', required: get_option('fuse'),
1597                   version: '>=3.1', method: 'pkg-config',
1598                   kwargs: static_kwargs)
1599
1600 fuse_lseek = not_found
1601 if get_option('fuse_lseek').allowed()
1602   if fuse.version().version_compare('>=3.8')
1603     # Dummy dependency
1604     fuse_lseek = declare_dependency()
1605   elif get_option('fuse_lseek').enabled()
1606     if fuse.found()
1607       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1608     else
1609       error('fuse-lseek requires libfuse, which was not found')
1610     endif
1611   endif
1612 endif
1613
1614 have_libvduse = (targetos == 'linux')
1615 if get_option('libvduse').enabled()
1616     if targetos != 'linux'
1617         error('libvduse requires linux')
1618     endif
1619 elif get_option('libvduse').disabled()
1620     have_libvduse = false
1621 endif
1622
1623 have_vduse_blk_export = (have_libvduse and targetos == 'linux')
1624 if get_option('vduse_blk_export').enabled()
1625     if targetos != 'linux'
1626         error('vduse_blk_export requires linux')
1627     elif not have_libvduse
1628         error('vduse_blk_export requires libvduse support')
1629     endif
1630 elif get_option('vduse_blk_export').disabled()
1631     have_vduse_blk_export = false
1632 endif
1633
1634 # libbpf
1635 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1636 if libbpf.found() and not cc.links('''
1637    #include <bpf/libbpf.h>
1638    int main(void)
1639    {
1640      bpf_object__destroy_skeleton(NULL);
1641      return 0;
1642    }''', dependencies: libbpf)
1643   libbpf = not_found
1644   if get_option('bpf').enabled()
1645     error('libbpf skeleton test failed')
1646   else
1647     warning('libbpf skeleton test failed, disabling')
1648   endif
1649 endif
1650
1651 #################
1652 # config-host.h #
1653 #################
1654
1655 audio_drivers_selected = []
1656 if have_system
1657   audio_drivers_available = {
1658     'alsa': alsa.found(),
1659     'coreaudio': coreaudio.found(),
1660     'dsound': dsound.found(),
1661     'jack': jack.found(),
1662     'oss': oss.found(),
1663     'pa': pulse.found(),
1664     'sdl': sdl.found(),
1665     'sndio': sndio.found(),
1666   }
1667   foreach k, v: audio_drivers_available
1668     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1669   endforeach
1670
1671   # Default to native drivers first, OSS second, SDL third
1672   audio_drivers_priority = \
1673     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1674     (targetos == 'linux' ? [] : [ 'sdl' ])
1675   audio_drivers_default = []
1676   foreach k: audio_drivers_priority
1677     if audio_drivers_available[k]
1678       audio_drivers_default += k
1679     endif
1680   endforeach
1681
1682   foreach k: get_option('audio_drv_list')
1683     if k == 'default'
1684       audio_drivers_selected += audio_drivers_default
1685     elif not audio_drivers_available[k]
1686       error('Audio driver "@0@" not available.'.format(k))
1687     else
1688       audio_drivers_selected += k
1689     endif
1690   endforeach
1691 endif
1692 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1693                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1694
1695 if get_option('cfi')
1696   cfi_flags=[]
1697   # Check for dependency on LTO
1698   if not get_option('b_lto')
1699     error('Selected Control-Flow Integrity but LTO is disabled')
1700   endif
1701   if config_host.has_key('CONFIG_MODULES')
1702     error('Selected Control-Flow Integrity is not compatible with modules')
1703   endif
1704   # Check for cfi flags. CFI requires LTO so we can't use
1705   # get_supported_arguments, but need a more complex "compiles" which allows
1706   # custom arguments
1707   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1708                  args: ['-flto', '-fsanitize=cfi-icall'] )
1709     cfi_flags += '-fsanitize=cfi-icall'
1710   else
1711     error('-fsanitize=cfi-icall is not supported by the compiler')
1712   endif
1713   if cc.compiles('int main () { return 0; }',
1714                  name: '-fsanitize-cfi-icall-generalize-pointers',
1715                  args: ['-flto', '-fsanitize=cfi-icall',
1716                         '-fsanitize-cfi-icall-generalize-pointers'] )
1717     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1718   else
1719     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1720   endif
1721   if get_option('cfi_debug')
1722     if cc.compiles('int main () { return 0; }',
1723                    name: '-fno-sanitize-trap=cfi-icall',
1724                    args: ['-flto', '-fsanitize=cfi-icall',
1725                           '-fno-sanitize-trap=cfi-icall'] )
1726       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1727     else
1728       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1729     endif
1730   endif
1731   add_global_arguments(cfi_flags, native: false, language: all_languages)
1732   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1733 endif
1734
1735 have_host_block_device = (targetos != 'darwin' or
1736     cc.has_header('IOKit/storage/IOMedia.h'))
1737
1738 dbus_display = get_option('dbus_display') \
1739   .require(gio.version().version_compare('>=2.64'),
1740            error_message: '-display dbus requires glib>=2.64') \
1741   .require(gdbus_codegen.found(),
1742            error_message: gdbus_codegen_error.format('-display dbus')) \
1743   .require(opengl.found() and gbm.found(),
1744            error_message: '-display dbus requires epoxy/egl and gbm') \
1745   .allowed()
1746
1747 have_virtfs = get_option('virtfs') \
1748     .require(targetos == 'linux' or targetos == 'darwin',
1749              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1750     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1751              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1752     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1753              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1754     .disable_auto_if(not have_tools and not have_system) \
1755     .allowed()
1756
1757 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1758
1759 if get_option('block_drv_ro_whitelist') == ''
1760   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1761 else
1762   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1763         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1764 endif
1765 if get_option('block_drv_rw_whitelist') == ''
1766   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1767 else
1768   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1769         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1770 endif
1771
1772 foreach k : get_option('trace_backends')
1773   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1774 endforeach
1775 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1776 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1777 if iasl.found()
1778   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1779 endif
1780 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1781 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1782 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1783 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1784 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1785
1786 qemu_firmwarepath = ''
1787 foreach k : get_option('qemu_firmwarepath')
1788   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1789 endforeach
1790 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1791
1792 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1793 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1794 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1795 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1796 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1797 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1798
1799 if config_host.has_key('CONFIG_MODULES')
1800   config_host_data.set('CONFIG_STAMP', run_command(
1801       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1802       meson.project_version(), get_option('pkgversion'), '--',
1803       meson.current_source_dir() / 'configure',
1804       capture: true, check: true).stdout().strip())
1805 endif
1806
1807 have_slirp_smbd = get_option('slirp_smbd') \
1808   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1809   .allowed()
1810 if have_slirp_smbd
1811   smbd_path = get_option('smbd')
1812   if smbd_path == ''
1813     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1814   endif
1815   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1816 endif
1817
1818 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1819
1820 if get_option('module_upgrades') and not enable_modules
1821   error('Cannot enable module-upgrades as modules are not enabled')
1822 endif
1823 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1824
1825 config_host_data.set('CONFIG_ATTR', libattr.found())
1826 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1827 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1828 config_host_data.set('CONFIG_COCOA', cocoa.found())
1829 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1830 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1831 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1832 config_host_data.set('CONFIG_LZO', lzo.found())
1833 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1834 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1835 config_host_data.set('CONFIG_BLKIO', blkio.found())
1836 config_host_data.set('CONFIG_CURL', curl.found())
1837 config_host_data.set('CONFIG_CURSES', curses.found())
1838 config_host_data.set('CONFIG_GBM', gbm.found())
1839 config_host_data.set('CONFIG_GIO', gio.found())
1840 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1841 if glusterfs.found()
1842   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1843   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1844   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1845   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1846   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1847   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1848 endif
1849 config_host_data.set('CONFIG_GTK', gtk.found())
1850 config_host_data.set('CONFIG_VTE', vte.found())
1851 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1852 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1853 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1854 config_host_data.set('CONFIG_EBPF', libbpf.found())
1855 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1856 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1857 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1858 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1859 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1860 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1861 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1862 config_host_data.set('CONFIG_NUMA', numa.found())
1863 if numa.found()
1864   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1865                        cc.has_function('numa_has_preferred_many',
1866                                        dependencies: numa))
1867 endif
1868 config_host_data.set('CONFIG_OPENGL', opengl.found())
1869 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1870 config_host_data.set('CONFIG_RBD', rbd.found())
1871 config_host_data.set('CONFIG_RDMA', rdma.found())
1872 config_host_data.set('CONFIG_SDL', sdl.found())
1873 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1874 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1875 if seccomp.found()
1876   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1877 endif
1878 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1879 config_host_data.set('CONFIG_TPM', have_tpm)
1880 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1881 config_host_data.set('CONFIG_VDE', vde.found())
1882 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1883 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1884 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1885 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1886 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1887 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1888 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1889 config_host_data.set('CONFIG_VMNET', vmnet.found())
1890 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1891 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1892 config_host_data.set('CONFIG_PNG', png.found())
1893 config_host_data.set('CONFIG_VNC', vnc.found())
1894 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1895 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1896 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1897 config_host_data.set('CONFIG_VTE', vte.found())
1898 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1899 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1900 config_host_data.set('CONFIG_GETTID', has_gettid)
1901 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1902 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1903 config_host_data.set('CONFIG_TASN1', tasn1.found())
1904 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1905 config_host_data.set('CONFIG_NETTLE', nettle.found())
1906 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1907 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1908 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1909 config_host_data.set('CONFIG_STATX', has_statx)
1910 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1911 config_host_data.set('CONFIG_ZSTD', zstd.found())
1912 config_host_data.set('CONFIG_FUSE', fuse.found())
1913 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1914 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1915 if spice_protocol.found()
1916 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1917 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1918 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1919 endif
1920 config_host_data.set('CONFIG_SPICE', spice.found())
1921 config_host_data.set('CONFIG_X11', x11.found())
1922 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1923 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1924 config_host_data.set('CONFIG_SELINUX', selinux.found())
1925 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1926 if xen.found()
1927   # protect from xen.version() having less than three components
1928   xen_version = xen.version().split('.') + ['0', '0']
1929   xen_ctrl_version = xen_version[0] + \
1930     ('0' + xen_version[1]).substring(-2) + \
1931     ('0' + xen_version[2]).substring(-2)
1932   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1933 endif
1934 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1935 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1936 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1937 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1938
1939 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1940 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1941
1942 have_coroutine_pool = get_option('coroutine_pool')
1943 if get_option('debug_stack_usage') and have_coroutine_pool
1944   message('Disabling coroutine pool to measure stack usage')
1945   have_coroutine_pool = false
1946 endif
1947 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1948 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1949 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1950 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1951 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1952 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1953 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1954
1955 # has_header
1956 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1957 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1958 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1959 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1960 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1961 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1962 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1963 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1964 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1965 if targetos == 'windows'
1966   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1967 endif
1968
1969 # has_function
1970 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1971 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1972 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1973 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1974 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1975 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1976 # Note that we need to specify prefix: here to avoid incorrectly
1977 # thinking that Windows has posix_memalign()
1978 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1979 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1980 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1981 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1982 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1983 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1984 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1985 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1986 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1987 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1988 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1989 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1990 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1991 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1992 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1993 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1994 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1995 if rbd.found()
1996   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
1997                        cc.has_function('rbd_namespace_exists',
1998                                        dependencies: rbd,
1999                                        prefix: '#include <rbd/librbd.h>'))
2000 endif
2001 if rdma.found()
2002   config_host_data.set('HAVE_IBV_ADVISE_MR',
2003                        cc.has_function('ibv_advise_mr',
2004                                        dependencies: rdma,
2005                                        prefix: '#include <infiniband/verbs.h>'))
2006 endif
2007
2008 # has_header_symbol
2009 config_host_data.set('CONFIG_BYTESWAP_H',
2010                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
2011 config_host_data.set('CONFIG_EPOLL_CREATE1',
2012                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2013 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2014                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2015                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2016 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2017                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2018 config_host_data.set('CONFIG_FIEMAP',
2019                      cc.has_header('linux/fiemap.h') and
2020                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2021 config_host_data.set('CONFIG_GETRANDOM',
2022                      cc.has_function('getrandom') and
2023                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2024 config_host_data.set('CONFIG_INOTIFY',
2025                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2026 config_host_data.set('CONFIG_INOTIFY1',
2027                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2028 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2029                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2030                                           prefix: '''#include <sys/endian.h>
2031                                                      #include <sys/types.h>'''))
2032 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2033                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2034 config_host_data.set('CONFIG_RTNETLINK',
2035                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2036 config_host_data.set('CONFIG_SYSMACROS',
2037                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2038 config_host_data.set('HAVE_OPTRESET',
2039                      cc.has_header_symbol('getopt.h', 'optreset'))
2040 config_host_data.set('HAVE_IPPROTO_MPTCP',
2041                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2042 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2043                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2044
2045 # has_member
2046 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2047                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2048                                    prefix: '#include <signal.h>'))
2049 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2050                      cc.has_member('struct stat', 'st_atim',
2051                                    prefix: '#include <sys/stat.h>'))
2052
2053 # has_type
2054 config_host_data.set('CONFIG_IOVEC',
2055                      cc.has_type('struct iovec',
2056                                  prefix: '#include <sys/uio.h>'))
2057 config_host_data.set('HAVE_UTMPX',
2058                      cc.has_type('struct utmpx',
2059                                  prefix: '#include <utmpx.h>'))
2060
2061 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2062   #include <sys/eventfd.h>
2063   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2064 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2065   #include <unistd.h>
2066   int main(void) {
2067   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2068   return fdatasync(0);
2069   #else
2070   #error Not supported
2071   #endif
2072   }'''))
2073
2074 has_madvise = cc.links(gnu_source_prefix + '''
2075   #include <sys/types.h>
2076   #include <sys/mman.h>
2077   #include <stddef.h>
2078   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2079 missing_madvise_proto = false
2080 if has_madvise
2081   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2082   # but forget to prototype it. In this case, has_madvise will be true (the
2083   # test program links despite a compile warning). To detect the
2084   # missing-prototype case, we try again with a definitely-bogus prototype.
2085   # This will only compile if the system headers don't provide the prototype;
2086   # otherwise the conflicting prototypes will cause a compiler error.
2087   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2088     #include <sys/types.h>
2089     #include <sys/mman.h>
2090     #include <stddef.h>
2091     extern int madvise(int);
2092     int main(void) { return madvise(0); }''')
2093 endif
2094 config_host_data.set('CONFIG_MADVISE', has_madvise)
2095 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2096
2097 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2098   #include <sys/mman.h>
2099   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2100 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2101   #include <fcntl.h>
2102   #if !defined(AT_EMPTY_PATH)
2103   # error missing definition
2104   #else
2105   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2106   #endif'''))
2107 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2108   #include <sys/mman.h>
2109   #include <stddef.h>
2110   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2111
2112 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2113   #include <pthread.h>
2114
2115   static void *f(void *p) { return NULL; }
2116   int main(void)
2117   {
2118     pthread_t thread;
2119     pthread_create(&thread, 0, f, 0);
2120     pthread_setname_np(thread, "QEMU");
2121     return 0;
2122   }''', dependencies: threads))
2123 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2124   #include <pthread.h>
2125
2126   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2127   int main(void)
2128   {
2129     pthread_t thread;
2130     pthread_create(&thread, 0, f, 0);
2131     return 0;
2132   }''', dependencies: threads))
2133 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2134   #include <pthread.h>
2135   #include <time.h>
2136
2137   int main(void)
2138   {
2139     pthread_condattr_t attr
2140     pthread_condattr_init(&attr);
2141     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2142     return 0;
2143   }''', dependencies: threads))
2144 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2145   #include <pthread.h>
2146
2147   static void *f(void *p) { return NULL; }
2148   int main(void)
2149   {
2150     int setsize = CPU_ALLOC_SIZE(64);
2151     pthread_t thread;
2152     cpu_set_t *cpuset;
2153     pthread_create(&thread, 0, f, 0);
2154     cpuset = CPU_ALLOC(64);
2155     CPU_ZERO_S(setsize, cpuset);
2156     pthread_setaffinity_np(thread, setsize, cpuset);
2157     pthread_getaffinity_np(thread, setsize, cpuset);
2158     CPU_FREE(cpuset);
2159     return 0;
2160   }''', dependencies: threads))
2161 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2162   #include <sys/signalfd.h>
2163   #include <stddef.h>
2164   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2165 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2166   #include <unistd.h>
2167   #include <fcntl.h>
2168   #include <limits.h>
2169
2170   int main(void)
2171   {
2172     int len, fd = 0;
2173     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2174     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2175     return 0;
2176   }'''))
2177
2178 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2179   #include <sys/mman.h>
2180   int main(void) {
2181     return mlockall(MCL_FUTURE);
2182   }'''))
2183
2184 have_l2tpv3 = false
2185 if get_option('l2tpv3').allowed() and have_system
2186   have_l2tpv3 = cc.has_type('struct mmsghdr',
2187     prefix: gnu_source_prefix + '''
2188       #include <sys/socket.h>
2189       #include <linux/ip.h>''')
2190 endif
2191 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2192
2193 have_netmap = false
2194 if get_option('netmap').allowed() and have_system
2195   have_netmap = cc.compiles('''
2196     #include <inttypes.h>
2197     #include <net/if.h>
2198     #include <net/netmap.h>
2199     #include <net/netmap_user.h>
2200     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2201     #error
2202     #endif
2203     int main(void) { return 0; }''')
2204   if not have_netmap and get_option('netmap').enabled()
2205     error('Netmap headers not available')
2206   endif
2207 endif
2208 config_host_data.set('CONFIG_NETMAP', have_netmap)
2209
2210 # Work around a system header bug with some kernel/XFS header
2211 # versions where they both try to define 'struct fsxattr':
2212 # xfs headers will not try to redefine structs from linux headers
2213 # if this macro is set.
2214 config_host_data.set('HAVE_FSXATTR', cc.links('''
2215   #include <linux/fs.h>
2216   struct fsxattr foo;
2217   int main(void) {
2218     return 0;
2219   }'''))
2220
2221 # Some versions of Mac OS X incorrectly define SIZE_MAX
2222 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2223     #include <stdint.h>
2224     #include <stdio.h>
2225     int main(void) {
2226         return printf("%zu", SIZE_MAX);
2227     }''', args: ['-Werror']))
2228
2229 atomic_test = '''
2230   #include <stdint.h>
2231   int main(void)
2232   {
2233     @0@ x = 0, y = 0;
2234     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2235     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2236     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2237     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2238     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2239     return 0;
2240   }'''
2241
2242 # See if 64-bit atomic operations are supported.
2243 # Note that without __atomic builtins, we can only
2244 # assume atomic loads/stores max at pointer size.
2245 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2246
2247 has_int128 = cc.links('''
2248   __int128_t a;
2249   __uint128_t b;
2250   int main (void) {
2251     a = a + b;
2252     b = a * b;
2253     a = a * a;
2254     return 0;
2255   }''')
2256
2257 config_host_data.set('CONFIG_INT128', has_int128)
2258
2259 if has_int128
2260   # "do we have 128-bit atomics which are handled inline and specifically not
2261   # via libatomic". The reason we can't use libatomic is documented in the
2262   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2263   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2264
2265   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2266
2267   if not has_atomic128
2268     has_cmpxchg128 = cc.links('''
2269       int main(void)
2270       {
2271         unsigned __int128 x = 0, y = 0;
2272         __sync_val_compare_and_swap_16(&x, y, x);
2273         return 0;
2274       }
2275     ''')
2276
2277     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2278   endif
2279 endif
2280
2281 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2282   #include <sys/auxv.h>
2283   int main(void) {
2284     return getauxval(AT_HWCAP) == 0;
2285   }'''))
2286
2287 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2288   #include <linux/usbdevice_fs.h>
2289
2290   #ifndef USBDEVFS_GET_CAPABILITIES
2291   #error "USBDEVFS_GET_CAPABILITIES undefined"
2292   #endif
2293
2294   #ifndef USBDEVFS_DISCONNECT_CLAIM
2295   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2296   #endif
2297
2298   int main(void) { return 0; }'''))
2299
2300 have_keyring = get_option('keyring') \
2301   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2302   .require(cc.compiles('''
2303     #include <errno.h>
2304     #include <asm/unistd.h>
2305     #include <linux/keyctl.h>
2306     #include <sys/syscall.h>
2307     #include <unistd.h>
2308     int main(void) {
2309         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2310     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2311 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2312
2313 have_cpuid_h = cc.links('''
2314   #include <cpuid.h>
2315   int main(void) {
2316     unsigned a, b, c, d;
2317     unsigned max = __get_cpuid_max(0, 0);
2318
2319     if (max >= 1) {
2320         __cpuid(1, a, b, c, d);
2321     }
2322
2323     if (max >= 7) {
2324         __cpuid_count(7, 0, a, b, c, d);
2325     }
2326
2327     return 0;
2328   }''')
2329 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2330
2331 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2332   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2333   .require(cc.links('''
2334     #pragma GCC push_options
2335     #pragma GCC target("avx2")
2336     #include <cpuid.h>
2337     #include <immintrin.h>
2338     static int bar(void *a) {
2339       __m256i x = *(__m256i *)a;
2340       return _mm256_testz_si256(x, x);
2341     }
2342     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2343   '''), error_message: 'AVX2 not available').allowed())
2344
2345 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2346   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2347   .require(cc.links('''
2348     #pragma GCC push_options
2349     #pragma GCC target("avx512f")
2350     #include <cpuid.h>
2351     #include <immintrin.h>
2352     static int bar(void *a) {
2353       __m512i x = *(__m512i *)a;
2354       return _mm512_test_epi64_mask(x, x);
2355     }
2356     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2357   '''), error_message: 'AVX512F not available').allowed())
2358
2359 have_pvrdma = get_option('pvrdma') \
2360   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2361   .require(cc.compiles(gnu_source_prefix + '''
2362     #include <sys/mman.h>
2363     int main(void)
2364     {
2365       char buf = 0;
2366       void *addr = &buf;
2367       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2368
2369       return 0;
2370     }'''), error_message: 'PVRDMA requires mremap').allowed()
2371
2372 if have_pvrdma
2373   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2374     #include <infiniband/verbs.h>
2375     int main(void)
2376     {
2377       struct ibv_mr *mr;
2378       struct ibv_pd *pd = NULL;
2379       size_t length = 10;
2380       uint64_t iova = 0;
2381       int access = 0;
2382       void *addr = NULL;
2383
2384       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2385       ibv_dereg_mr(mr);
2386       return 0;
2387     }'''))
2388 endif
2389
2390 if get_option('membarrier').disabled()
2391   have_membarrier = false
2392 elif targetos == 'windows'
2393   have_membarrier = true
2394 elif targetos == 'linux'
2395   have_membarrier = cc.compiles('''
2396     #include <linux/membarrier.h>
2397     #include <sys/syscall.h>
2398     #include <unistd.h>
2399     #include <stdlib.h>
2400     int main(void) {
2401         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2402         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2403         exit(0);
2404     }''')
2405 endif
2406 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2407   .require(have_membarrier, error_message: 'membarrier system call not available') \
2408   .allowed())
2409
2410 have_afalg = get_option('crypto_afalg') \
2411   .require(cc.compiles(gnu_source_prefix + '''
2412     #include <errno.h>
2413     #include <sys/types.h>
2414     #include <sys/socket.h>
2415     #include <linux/if_alg.h>
2416     int main(void) {
2417       int sock;
2418       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2419       return sock;
2420     }
2421   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2422 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2423
2424 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2425   'linux/vm_sockets.h', 'AF_VSOCK',
2426   prefix: '#include <sys/socket.h>',
2427 ))
2428
2429 have_vss = false
2430 have_vss_sdk = false # old xp/2003 SDK
2431 if targetos == 'windows' and link_language == 'cpp'
2432   have_vss = cxx.compiles('''
2433     #define __MIDL_user_allocate_free_DEFINED__
2434     #include <vss.h>
2435     int main(void) { return VSS_CTX_BACKUP; }''')
2436   have_vss_sdk = cxx.has_header('vscoordint.h')
2437 endif
2438 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2439
2440 foreach k, v: config_host
2441   if k.startswith('CONFIG_')
2442     config_host_data.set(k, v == 'y' ? 1 : v)
2443   endif
2444 endforeach
2445
2446 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2447 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2448 if targetos == 'windows'
2449   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2450     #include <stdio.h>
2451     int main(void) {
2452       _lock_file(NULL);
2453       _unlock_file(NULL);
2454       return 0;
2455     }''', name: '_lock_file and _unlock_file'))
2456 endif
2457
2458 ########################
2459 # Target configuration #
2460 ########################
2461
2462 minikconf = find_program('scripts/minikconf.py')
2463 config_all = {}
2464 config_all_devices = {}
2465 config_all_disas = {}
2466 config_devices_mak_list = []
2467 config_devices_h = {}
2468 config_target_h = {}
2469 config_target_mak = {}
2470
2471 disassemblers = {
2472   'alpha' : ['CONFIG_ALPHA_DIS'],
2473   'avr' : ['CONFIG_AVR_DIS'],
2474   'cris' : ['CONFIG_CRIS_DIS'],
2475   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2476   'hppa' : ['CONFIG_HPPA_DIS'],
2477   'i386' : ['CONFIG_I386_DIS'],
2478   'x86_64' : ['CONFIG_I386_DIS'],
2479   'm68k' : ['CONFIG_M68K_DIS'],
2480   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2481   'mips' : ['CONFIG_MIPS_DIS'],
2482   'nios2' : ['CONFIG_NIOS2_DIS'],
2483   'or1k' : ['CONFIG_OPENRISC_DIS'],
2484   'ppc' : ['CONFIG_PPC_DIS'],
2485   'riscv' : ['CONFIG_RISCV_DIS'],
2486   'rx' : ['CONFIG_RX_DIS'],
2487   's390' : ['CONFIG_S390_DIS'],
2488   'sh4' : ['CONFIG_SH4_DIS'],
2489   'sparc' : ['CONFIG_SPARC_DIS'],
2490   'xtensa' : ['CONFIG_XTENSA_DIS'],
2491   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2492 }
2493 if link_language == 'cpp'
2494   disassemblers += {
2495     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
2496   }
2497 endif
2498
2499 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2500 host_kconfig = \
2501   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2502   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2503   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2504   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2505   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2506   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2507   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2508   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2509   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2510   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2511   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2512   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2513   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2514   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2515
2516 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2517
2518 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2519 actual_target_dirs = []
2520 fdt_required = []
2521 foreach target : target_dirs
2522   config_target = { 'TARGET_NAME': target.split('-')[0] }
2523   if target.endswith('linux-user')
2524     if targetos != 'linux'
2525       if default_targets
2526         continue
2527       endif
2528       error('Target @0@ is only available on a Linux host'.format(target))
2529     endif
2530     config_target += { 'CONFIG_LINUX_USER': 'y' }
2531   elif target.endswith('bsd-user')
2532     if 'CONFIG_BSD' not in config_host
2533       if default_targets
2534         continue
2535       endif
2536       error('Target @0@ is only available on a BSD host'.format(target))
2537     endif
2538     config_target += { 'CONFIG_BSD_USER': 'y' }
2539   elif target.endswith('softmmu')
2540     config_target += { 'CONFIG_SOFTMMU': 'y' }
2541   endif
2542   if target.endswith('-user')
2543     config_target += {
2544       'CONFIG_USER_ONLY': 'y',
2545       'CONFIG_QEMU_INTERP_PREFIX':
2546         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2547     }
2548   endif
2549
2550   accel_kconfig = []
2551   foreach sym: accelerators
2552     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2553       config_target += { sym: 'y' }
2554       config_all += { sym: 'y' }
2555       if target in modular_tcg
2556         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2557       else
2558         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2559       endif
2560       accel_kconfig += [ sym + '=y' ]
2561     endif
2562   endforeach
2563   if accel_kconfig.length() == 0
2564     if default_targets
2565       continue
2566     endif
2567     error('No accelerator available for target @0@'.format(target))
2568   endif
2569
2570   actual_target_dirs += target
2571   config_target += keyval.load('configs/targets' / target + '.mak')
2572   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2573
2574   if 'TARGET_NEED_FDT' in config_target
2575     fdt_required += target
2576   endif
2577
2578   # Add default keys
2579   if 'TARGET_BASE_ARCH' not in config_target
2580     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2581   endif
2582   if 'TARGET_ABI_DIR' not in config_target
2583     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2584   endif
2585   if 'TARGET_BIG_ENDIAN' not in config_target
2586     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2587   endif
2588
2589   foreach k, v: disassemblers
2590     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2591       foreach sym: v
2592         config_target += { sym: 'y' }
2593         config_all_disas += { sym: 'y' }
2594       endforeach
2595     endif
2596   endforeach
2597
2598   config_target_data = configuration_data()
2599   foreach k, v: config_target
2600     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2601       # do nothing
2602     elif ignored.contains(k)
2603       # do nothing
2604     elif k == 'TARGET_BASE_ARCH'
2605       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2606       # not used to select files from sourcesets.
2607       config_target_data.set('TARGET_' + v.to_upper(), 1)
2608     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2609       config_target_data.set_quoted(k, v)
2610     elif v == 'y'
2611       config_target_data.set(k, 1)
2612     elif v == 'n'
2613       config_target_data.set(k, 0)
2614     else
2615       config_target_data.set(k, v)
2616     endif
2617   endforeach
2618   config_target_data.set('QEMU_ARCH',
2619                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2620   config_target_h += {target: configure_file(output: target + '-config-target.h',
2621                                                configuration: config_target_data)}
2622
2623   if target.endswith('-softmmu')
2624     config_input = meson.get_external_property(target, 'default')
2625     config_devices_mak = target + '-config-devices.mak'
2626     config_devices_mak = configure_file(
2627       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2628       output: config_devices_mak,
2629       depfile: config_devices_mak + '.d',
2630       capture: true,
2631       command: [minikconf,
2632                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2633                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2634                 host_kconfig, accel_kconfig,
2635                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2636
2637     config_devices_data = configuration_data()
2638     config_devices = keyval.load(config_devices_mak)
2639     foreach k, v: config_devices
2640       config_devices_data.set(k, 1)
2641     endforeach
2642     config_devices_mak_list += config_devices_mak
2643     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2644                                                 configuration: config_devices_data)}
2645     config_target += config_devices
2646     config_all_devices += config_devices
2647   endif
2648   config_target_mak += {target: config_target}
2649 endforeach
2650 target_dirs = actual_target_dirs
2651
2652 # This configuration is used to build files that are shared by
2653 # multiple binaries, and then extracted out of the "common"
2654 # static_library target.
2655 #
2656 # We do not use all_sources()/all_dependencies(), because it would
2657 # build literally all source files, including devices only used by
2658 # targets that are not built for this compilation.  The CONFIG_ALL
2659 # pseudo symbol replaces it.
2660
2661 config_all += config_all_devices
2662 config_all += config_host
2663 config_all += config_all_disas
2664 config_all += {
2665   'CONFIG_XEN': xen.found(),
2666   'CONFIG_SOFTMMU': have_system,
2667   'CONFIG_USER_ONLY': have_user,
2668   'CONFIG_ALL': true,
2669 }
2670
2671 target_configs_h = []
2672 foreach target: target_dirs
2673   target_configs_h += config_target_h[target]
2674   target_configs_h += config_devices_h.get(target, [])
2675 endforeach
2676 genh += custom_target('config-poison.h',
2677                       input: [target_configs_h],
2678                       output: 'config-poison.h',
2679                       capture: true,
2680                       command: [find_program('scripts/make-config-poison.sh'),
2681                                 target_configs_h])
2682
2683 ##############
2684 # Submodules #
2685 ##############
2686
2687 capstone = not_found
2688 if not get_option('capstone').auto() or have_system or have_user
2689   capstone = dependency('capstone', version: '>=3.0.5',
2690                         kwargs: static_kwargs, method: 'pkg-config',
2691                         required: get_option('capstone'))
2692
2693   # Some versions of capstone have broken pkg-config file
2694   # that reports a wrong -I path, causing the #include to
2695   # fail later. If the system has such a broken version
2696   # do not use it.
2697   if capstone.found() and not cc.compiles('#include <capstone.h>',
2698                                           dependencies: [capstone])
2699     capstone = not_found
2700     if get_option('capstone').enabled()
2701       error('capstone requested, but it does not appear to work')
2702     endif
2703   endif
2704 endif
2705
2706 libvfio_user_dep = not_found
2707 if have_system and vfio_user_server_allowed
2708   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2709
2710   if not have_internal
2711     error('libvfio-user source not found - please pull git submodule')
2712   endif
2713
2714   libvfio_user_proj = subproject('libvfio-user')
2715
2716   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2717
2718   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2719 endif
2720
2721 fdt = not_found
2722 if have_system
2723   fdt_opt = get_option('fdt')
2724   if fdt_opt in ['enabled', 'auto', 'system']
2725     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2726     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2727                           required: fdt_opt == 'system' or
2728                                     fdt_opt == 'enabled' and not have_internal)
2729     if fdt.found() and cc.links('''
2730        #include <libfdt.h>
2731        #include <libfdt_env.h>
2732        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2733          dependencies: fdt)
2734       fdt_opt = 'system'
2735     elif fdt_opt == 'system'
2736        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2737     elif have_internal
2738       fdt_opt = 'internal'
2739     else
2740       fdt_opt = 'disabled'
2741       fdt = not_found
2742     endif
2743   endif
2744   if fdt_opt == 'internal'
2745     fdt_files = files(
2746       'dtc/libfdt/fdt.c',
2747       'dtc/libfdt/fdt_ro.c',
2748       'dtc/libfdt/fdt_wip.c',
2749       'dtc/libfdt/fdt_sw.c',
2750       'dtc/libfdt/fdt_rw.c',
2751       'dtc/libfdt/fdt_strerror.c',
2752       'dtc/libfdt/fdt_empty_tree.c',
2753       'dtc/libfdt/fdt_addresses.c',
2754       'dtc/libfdt/fdt_overlay.c',
2755       'dtc/libfdt/fdt_check.c',
2756     )
2757
2758     fdt_inc = include_directories('dtc/libfdt')
2759     libfdt = static_library('fdt',
2760                             build_by_default: false,
2761                             sources: fdt_files,
2762                             include_directories: fdt_inc)
2763     fdt = declare_dependency(link_with: libfdt,
2764                              include_directories: fdt_inc)
2765   endif
2766 else
2767   fdt_opt = 'disabled'
2768 endif
2769 if not fdt.found() and fdt_required.length() > 0
2770   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2771 endif
2772
2773 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2774 config_host_data.set('CONFIG_FDT', fdt.found())
2775 config_host_data.set('CONFIG_SLIRP', slirp.found())
2776
2777 #####################
2778 # Generated sources #
2779 #####################
2780
2781 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2782
2783 hxtool = find_program('scripts/hxtool')
2784 shaderinclude = find_program('scripts/shaderinclude.pl')
2785 qapi_gen = find_program('scripts/qapi-gen.py')
2786 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2787                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2788                      meson.current_source_dir() / 'scripts/qapi/common.py',
2789                      meson.current_source_dir() / 'scripts/qapi/error.py',
2790                      meson.current_source_dir() / 'scripts/qapi/events.py',
2791                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2792                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2793                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2794                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2795                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2796                      meson.current_source_dir() / 'scripts/qapi/source.py',
2797                      meson.current_source_dir() / 'scripts/qapi/types.py',
2798                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2799                      meson.current_source_dir() / 'scripts/qapi/common.py',
2800                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2801 ]
2802
2803 tracetool = [
2804   python, files('scripts/tracetool.py'),
2805    '--backend=' + ','.join(get_option('trace_backends'))
2806 ]
2807 tracetool_depends = files(
2808   'scripts/tracetool/backend/log.py',
2809   'scripts/tracetool/backend/__init__.py',
2810   'scripts/tracetool/backend/dtrace.py',
2811   'scripts/tracetool/backend/ftrace.py',
2812   'scripts/tracetool/backend/simple.py',
2813   'scripts/tracetool/backend/syslog.py',
2814   'scripts/tracetool/backend/ust.py',
2815   'scripts/tracetool/format/ust_events_c.py',
2816   'scripts/tracetool/format/ust_events_h.py',
2817   'scripts/tracetool/format/__init__.py',
2818   'scripts/tracetool/format/d.py',
2819   'scripts/tracetool/format/simpletrace_stap.py',
2820   'scripts/tracetool/format/c.py',
2821   'scripts/tracetool/format/h.py',
2822   'scripts/tracetool/format/log_stap.py',
2823   'scripts/tracetool/format/stap.py',
2824   'scripts/tracetool/__init__.py',
2825   'scripts/tracetool/transform.py',
2826   'scripts/tracetool/vcpu.py'
2827 )
2828
2829 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2830                     meson.current_source_dir(),
2831                     get_option('pkgversion'), meson.project_version()]
2832 qemu_version = custom_target('qemu-version.h',
2833                              output: 'qemu-version.h',
2834                              command: qemu_version_cmd,
2835                              capture: true,
2836                              build_by_default: true,
2837                              build_always_stale: true)
2838 genh += qemu_version
2839
2840 hxdep = []
2841 hx_headers = [
2842   ['qemu-options.hx', 'qemu-options.def'],
2843   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2844 ]
2845 if have_system
2846   hx_headers += [
2847     ['hmp-commands.hx', 'hmp-commands.h'],
2848     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2849   ]
2850 endif
2851 foreach d : hx_headers
2852   hxdep += custom_target(d[1],
2853                 input: files(d[0]),
2854                 output: d[1],
2855                 capture: true,
2856                 build_by_default: true, # to be removed when added to a target
2857                 command: [hxtool, '-h', '@INPUT0@'])
2858 endforeach
2859 genh += hxdep
2860
2861 ###################
2862 # Collect sources #
2863 ###################
2864
2865 authz_ss = ss.source_set()
2866 blockdev_ss = ss.source_set()
2867 block_ss = ss.source_set()
2868 chardev_ss = ss.source_set()
2869 common_ss = ss.source_set()
2870 crypto_ss = ss.source_set()
2871 hwcore_ss = ss.source_set()
2872 io_ss = ss.source_set()
2873 qmp_ss = ss.source_set()
2874 qom_ss = ss.source_set()
2875 softmmu_ss = ss.source_set()
2876 specific_fuzz_ss = ss.source_set()
2877 specific_ss = ss.source_set()
2878 stub_ss = ss.source_set()
2879 trace_ss = ss.source_set()
2880 user_ss = ss.source_set()
2881 util_ss = ss.source_set()
2882
2883 # accel modules
2884 qtest_module_ss = ss.source_set()
2885 tcg_module_ss = ss.source_set()
2886
2887 modules = {}
2888 target_modules = {}
2889 hw_arch = {}
2890 target_arch = {}
2891 target_softmmu_arch = {}
2892 target_user_arch = {}
2893
2894 ###############
2895 # Trace files #
2896 ###############
2897
2898 # TODO: add each directory to the subdirs from its own meson.build, once
2899 # we have those
2900 trace_events_subdirs = [
2901   'crypto',
2902   'qapi',
2903   'qom',
2904   'monitor',
2905   'util',
2906   'gdbstub',
2907 ]
2908 if have_linux_user
2909   trace_events_subdirs += [ 'linux-user' ]
2910 endif
2911 if have_bsd_user
2912   trace_events_subdirs += [ 'bsd-user' ]
2913 endif
2914 if have_block
2915   trace_events_subdirs += [
2916     'authz',
2917     'block',
2918     'io',
2919     'nbd',
2920     'scsi',
2921   ]
2922 endif
2923 if have_system
2924   trace_events_subdirs += [
2925     'accel/kvm',
2926     'audio',
2927     'backends',
2928     'backends/tpm',
2929     'chardev',
2930     'ebpf',
2931     'hw/9pfs',
2932     'hw/acpi',
2933     'hw/adc',
2934     'hw/alpha',
2935     'hw/arm',
2936     'hw/audio',
2937     'hw/block',
2938     'hw/block/dataplane',
2939     'hw/char',
2940     'hw/display',
2941     'hw/dma',
2942     'hw/hyperv',
2943     'hw/i2c',
2944     'hw/i386',
2945     'hw/i386/xen',
2946     'hw/ide',
2947     'hw/input',
2948     'hw/intc',
2949     'hw/isa',
2950     'hw/mem',
2951     'hw/mips',
2952     'hw/misc',
2953     'hw/misc/macio',
2954     'hw/net',
2955     'hw/net/can',
2956     'hw/nubus',
2957     'hw/nvme',
2958     'hw/nvram',
2959     'hw/pci',
2960     'hw/pci-host',
2961     'hw/ppc',
2962     'hw/rdma',
2963     'hw/rdma/vmw',
2964     'hw/rtc',
2965     'hw/s390x',
2966     'hw/scsi',
2967     'hw/sd',
2968     'hw/sh4',
2969     'hw/sparc',
2970     'hw/sparc64',
2971     'hw/ssi',
2972     'hw/timer',
2973     'hw/tpm',
2974     'hw/usb',
2975     'hw/vfio',
2976     'hw/virtio',
2977     'hw/watchdog',
2978     'hw/xen',
2979     'hw/gpio',
2980     'migration',
2981     'net',
2982     'softmmu',
2983     'ui',
2984     'hw/remote',
2985   ]
2986 endif
2987 if have_system or have_user
2988   trace_events_subdirs += [
2989     'accel/tcg',
2990     'hw/core',
2991     'target/arm',
2992     'target/arm/hvf',
2993     'target/hppa',
2994     'target/i386',
2995     'target/i386/kvm',
2996     'target/mips/tcg',
2997     'target/nios2',
2998     'target/ppc',
2999     'target/riscv',
3000     'target/s390x',
3001     'target/s390x/kvm',
3002     'target/sparc',
3003   ]
3004 endif
3005
3006 vhost_user = not_found
3007 if targetos == 'linux' and have_vhost_user
3008   libvhost_user = subproject('libvhost-user')
3009   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3010 endif
3011
3012 libvduse = not_found
3013 if have_libvduse
3014   libvduse_proj = subproject('libvduse')
3015   libvduse = libvduse_proj.get_variable('libvduse_dep')
3016 endif
3017
3018 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3019 # that is filled in by qapi/.
3020 subdir('qapi')
3021 subdir('qobject')
3022 subdir('stubs')
3023 subdir('trace')
3024 subdir('util')
3025 subdir('qom')
3026 subdir('authz')
3027 subdir('crypto')
3028 subdir('ui')
3029 subdir('hw')
3030 subdir('gdbstub')
3031
3032
3033 if enable_modules
3034   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3035   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3036 endif
3037
3038 qom_ss = qom_ss.apply(config_host, strict: false)
3039 libqom = static_library('qom', qom_ss.sources() + genh,
3040                         dependencies: [qom_ss.dependencies()],
3041                         name_suffix: 'fa')
3042 qom = declare_dependency(link_whole: libqom)
3043
3044 event_loop_base = files('event-loop-base.c')
3045 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3046                                  build_by_default: true)
3047 event_loop_base = declare_dependency(link_whole: event_loop_base,
3048                                      dependencies: [qom])
3049
3050 stub_ss = stub_ss.apply(config_all, strict: false)
3051
3052 util_ss.add_all(trace_ss)
3053 util_ss = util_ss.apply(config_all, strict: false)
3054 libqemuutil = static_library('qemuutil',
3055                              sources: util_ss.sources() + stub_ss.sources() + genh,
3056                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3057 qemuutil = declare_dependency(link_with: libqemuutil,
3058                               sources: genh + version_res,
3059                               dependencies: [event_loop_base])
3060
3061 if have_system or have_user
3062   decodetree = generator(find_program('scripts/decodetree.py'),
3063                          output: 'decode-@BASENAME@.c.inc',
3064                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3065   subdir('libdecnumber')
3066   subdir('target')
3067 endif
3068
3069 subdir('audio')
3070 subdir('io')
3071 subdir('chardev')
3072 subdir('fsdev')
3073 subdir('dump')
3074
3075 if have_block
3076   block_ss.add(files(
3077     'block.c',
3078     'blockjob.c',
3079     'job.c',
3080     'qemu-io-cmds.c',
3081   ))
3082   if config_host_data.get('CONFIG_REPLICATION')
3083     block_ss.add(files('replication.c'))
3084   endif
3085
3086   subdir('nbd')
3087   subdir('scsi')
3088   subdir('block')
3089
3090   blockdev_ss.add(files(
3091     'blockdev.c',
3092     'blockdev-nbd.c',
3093     'iothread.c',
3094     'job-qmp.c',
3095   ), gnutls)
3096
3097   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3098   # os-win32.c does not
3099   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3100   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3101 endif
3102
3103 common_ss.add(files('cpus-common.c'))
3104
3105 subdir('softmmu')
3106
3107 common_ss.add(capstone)
3108 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3109
3110 # Work around a gcc bug/misfeature wherein constant propagation looks
3111 # through an alias:
3112 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3113 # to guess that a const variable is always zero.  Without lto, this is
3114 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3115 # without lto, not even the alias is required -- we simply use different
3116 # declarations in different compilation units.
3117 pagevary = files('page-vary-common.c')
3118 if get_option('b_lto')
3119   pagevary_flags = ['-fno-lto']
3120   if get_option('cfi')
3121     pagevary_flags += '-fno-sanitize=cfi-icall'
3122   endif
3123   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3124                             c_args: pagevary_flags)
3125   pagevary = declare_dependency(link_with: pagevary)
3126 endif
3127 common_ss.add(pagevary)
3128 specific_ss.add(files('page-vary.c'))
3129
3130 subdir('backends')
3131 subdir('disas')
3132 subdir('migration')
3133 subdir('monitor')
3134 subdir('net')
3135 subdir('replay')
3136 subdir('semihosting')
3137 subdir('tcg')
3138 subdir('fpu')
3139 subdir('accel')
3140 subdir('plugins')
3141 subdir('ebpf')
3142
3143 common_user_inc = []
3144
3145 subdir('common-user')
3146 subdir('bsd-user')
3147 subdir('linux-user')
3148
3149 # needed for fuzzing binaries
3150 subdir('tests/qtest/libqos')
3151 subdir('tests/qtest/fuzz')
3152
3153 # accel modules
3154 tcg_real_module_ss = ss.source_set()
3155 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3156 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3157 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3158                                 'tcg': tcg_real_module_ss }}
3159
3160 ########################
3161 # Library dependencies #
3162 ########################
3163
3164 modinfo_collect = find_program('scripts/modinfo-collect.py')
3165 modinfo_generate = find_program('scripts/modinfo-generate.py')
3166 modinfo_files = []
3167
3168 block_mods = []
3169 softmmu_mods = []
3170 foreach d, list : modules
3171   foreach m, module_ss : list
3172     if enable_modules and targetos != 'windows'
3173       module_ss = module_ss.apply(config_all, strict: false)
3174       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3175                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3176       if d == 'block'
3177         block_mods += sl
3178       else
3179         softmmu_mods += sl
3180       endif
3181       if module_ss.sources() != []
3182         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3183         # input. Sources can be used multiple times but objects are
3184         # unique when it comes to lookup in compile_commands.json.
3185         # Depnds on a mesion version with
3186         # https://github.com/mesonbuild/meson/pull/8900
3187         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3188                                        output: d + '-' + m + '.modinfo',
3189                                        input: module_ss.sources() + genh,
3190                                        capture: true,
3191                                        command: [modinfo_collect, module_ss.sources()])
3192       endif
3193     else
3194       if d == 'block'
3195         block_ss.add_all(module_ss)
3196       else
3197         softmmu_ss.add_all(module_ss)
3198       endif
3199     endif
3200   endforeach
3201 endforeach
3202
3203 foreach d, list : target_modules
3204   foreach m, module_ss : list
3205     if enable_modules and targetos != 'windows'
3206       foreach target : target_dirs
3207         if target.endswith('-softmmu')
3208           config_target = config_target_mak[target]
3209           config_target += config_host
3210           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3211           c_args = ['-DNEED_CPU_H',
3212                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3213                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3214           target_module_ss = module_ss.apply(config_target, strict: false)
3215           if target_module_ss.sources() != []
3216             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3217             sl = static_library(module_name,
3218                                 [genh, target_module_ss.sources()],
3219                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3220                                 include_directories: target_inc,
3221                                 c_args: c_args,
3222                                 pic: true)
3223             softmmu_mods += sl
3224             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3225             modinfo_files += custom_target(module_name + '.modinfo',
3226                                            output: module_name + '.modinfo',
3227                                            input: target_module_ss.sources() + genh,
3228                                            capture: true,
3229                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3230           endif
3231         endif
3232       endforeach
3233     else
3234       specific_ss.add_all(module_ss)
3235     endif
3236   endforeach
3237 endforeach
3238
3239 if enable_modules
3240   foreach target : target_dirs
3241     if target.endswith('-softmmu')
3242       config_target = config_target_mak[target]
3243       config_devices_mak = target + '-config-devices.mak'
3244       modinfo_src = custom_target('modinfo-' + target + '.c',
3245                                   output: 'modinfo-' + target + '.c',
3246                                   input: modinfo_files,
3247                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3248                                   capture: true)
3249
3250       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3251       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3252
3253       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3254       hw_arch[arch].add(modinfo_dep)
3255     endif
3256   endforeach
3257 endif
3258
3259 nm = find_program('nm')
3260 undefsym = find_program('scripts/undefsym.py')
3261 block_syms = custom_target('block.syms', output: 'block.syms',
3262                              input: [libqemuutil, block_mods],
3263                              capture: true,
3264                              command: [undefsym, nm, '@INPUT@'])
3265 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3266                              input: [libqemuutil, softmmu_mods],
3267                              capture: true,
3268                              command: [undefsym, nm, '@INPUT@'])
3269
3270 authz_ss = authz_ss.apply(config_host, strict: false)
3271 libauthz = static_library('authz', authz_ss.sources() + genh,
3272                           dependencies: [authz_ss.dependencies()],
3273                           name_suffix: 'fa',
3274                           build_by_default: false)
3275
3276 authz = declare_dependency(link_whole: libauthz,
3277                            dependencies: qom)
3278
3279 crypto_ss = crypto_ss.apply(config_host, strict: false)
3280 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3281                            dependencies: [crypto_ss.dependencies()],
3282                            name_suffix: 'fa',
3283                            build_by_default: false)
3284
3285 crypto = declare_dependency(link_whole: libcrypto,
3286                             dependencies: [authz, qom])
3287
3288 io_ss = io_ss.apply(config_host, strict: false)
3289 libio = static_library('io', io_ss.sources() + genh,
3290                        dependencies: [io_ss.dependencies()],
3291                        link_with: libqemuutil,
3292                        name_suffix: 'fa',
3293                        build_by_default: false)
3294
3295 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3296
3297 libmigration = static_library('migration', sources: migration_files + genh,
3298                               name_suffix: 'fa',
3299                               build_by_default: false)
3300 migration = declare_dependency(link_with: libmigration,
3301                                dependencies: [zlib, qom, io])
3302 softmmu_ss.add(migration)
3303
3304 block_ss = block_ss.apply(config_host, strict: false)
3305 libblock = static_library('block', block_ss.sources() + genh,
3306                           dependencies: block_ss.dependencies(),
3307                           link_depends: block_syms,
3308                           name_suffix: 'fa',
3309                           build_by_default: false)
3310
3311 block = declare_dependency(link_whole: [libblock],
3312                            link_args: '@block.syms',
3313                            dependencies: [crypto, io])
3314
3315 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3316 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3317                              dependencies: blockdev_ss.dependencies(),
3318                              name_suffix: 'fa',
3319                              build_by_default: false)
3320
3321 blockdev = declare_dependency(link_whole: [libblockdev],
3322                               dependencies: [block, event_loop_base])
3323
3324 qmp_ss = qmp_ss.apply(config_host, strict: false)
3325 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3326                         dependencies: qmp_ss.dependencies(),
3327                         name_suffix: 'fa',
3328                         build_by_default: false)
3329
3330 qmp = declare_dependency(link_whole: [libqmp])
3331
3332 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3333                             name_suffix: 'fa',
3334                             dependencies: chardev_ss.dependencies(),
3335                             build_by_default: false)
3336
3337 chardev = declare_dependency(link_whole: libchardev)
3338
3339 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3340 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3341                            name_suffix: 'fa',
3342                            build_by_default: false)
3343 hwcore = declare_dependency(link_whole: libhwcore)
3344 common_ss.add(hwcore)
3345
3346 ###########
3347 # Targets #
3348 ###########
3349
3350 emulator_modules = []
3351 foreach m : block_mods + softmmu_mods
3352   emulator_modules += shared_module(m.name(),
3353                 build_by_default: true,
3354                 name_prefix: '',
3355                 link_whole: m,
3356                 install: true,
3357                 install_dir: qemu_moddir)
3358 endforeach
3359 if emulator_modules.length() > 0
3360   alias_target('modules', emulator_modules)
3361 endif
3362
3363 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3364 common_ss.add(qom, qemuutil)
3365
3366 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3367 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3368
3369 common_all = common_ss.apply(config_all, strict: false)
3370 common_all = static_library('common',
3371                             build_by_default: false,
3372                             sources: common_all.sources() + genh,
3373                             include_directories: common_user_inc,
3374                             implicit_include_directories: false,
3375                             dependencies: common_all.dependencies(),
3376                             name_suffix: 'fa')
3377
3378 feature_to_c = find_program('scripts/feature_to_c.sh')
3379
3380 if targetos == 'darwin'
3381   entitlement = find_program('scripts/entitlement.sh')
3382 endif
3383
3384 emulators = {}
3385 foreach target : target_dirs
3386   config_target = config_target_mak[target]
3387   target_name = config_target['TARGET_NAME']
3388   target_base_arch = config_target['TARGET_BASE_ARCH']
3389   arch_srcs = [config_target_h[target]]
3390   arch_deps = []
3391   c_args = ['-DNEED_CPU_H',
3392             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3393             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3394   link_args = emulator_link_args
3395
3396   config_target += config_host
3397   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3398   if targetos == 'linux'
3399     target_inc += include_directories('linux-headers', is_system: true)
3400   endif
3401   if target.endswith('-softmmu')
3402     target_type='system'
3403     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3404     arch_srcs += t.sources()
3405     arch_deps += t.dependencies()
3406
3407     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3408     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3409     arch_srcs += hw.sources()
3410     arch_deps += hw.dependencies()
3411
3412     arch_srcs += config_devices_h[target]
3413     link_args += ['@block.syms', '@qemu.syms']
3414   else
3415     abi = config_target['TARGET_ABI_DIR']
3416     target_type='user'
3417     target_inc += common_user_inc
3418     if target_base_arch in target_user_arch
3419       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3420       arch_srcs += t.sources()
3421       arch_deps += t.dependencies()
3422     endif
3423     if 'CONFIG_LINUX_USER' in config_target
3424       base_dir = 'linux-user'
3425     endif
3426     if 'CONFIG_BSD_USER' in config_target
3427       base_dir = 'bsd-user'
3428       target_inc += include_directories('bsd-user/' / targetos)
3429       target_inc += include_directories('bsd-user/host/' / host_arch)
3430       dir = base_dir / abi
3431       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3432     endif
3433     target_inc += include_directories(
3434       base_dir,
3435       base_dir / abi,
3436     )
3437     if 'CONFIG_LINUX_USER' in config_target
3438       dir = base_dir / abi
3439       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3440       if config_target.has_key('TARGET_SYSTBL_ABI')
3441         arch_srcs += \
3442           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3443                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3444       endif
3445     endif
3446   endif
3447
3448   if 'TARGET_XML_FILES' in config_target
3449     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3450                                 output: target + '-gdbstub-xml.c',
3451                                 input: files(config_target['TARGET_XML_FILES'].split()),
3452                                 command: [feature_to_c, '@INPUT@'],
3453                                 capture: true)
3454     arch_srcs += gdbstub_xml
3455   endif
3456
3457   t = target_arch[target_base_arch].apply(config_target, strict: false)
3458   arch_srcs += t.sources()
3459   arch_deps += t.dependencies()
3460
3461   target_common = common_ss.apply(config_target, strict: false)
3462   objects = common_all.extract_objects(target_common.sources())
3463   deps = target_common.dependencies()
3464
3465   target_specific = specific_ss.apply(config_target, strict: false)
3466   arch_srcs += target_specific.sources()
3467   arch_deps += target_specific.dependencies()
3468
3469   lib = static_library('qemu-' + target,
3470                  sources: arch_srcs + genh,
3471                  dependencies: arch_deps,
3472                  objects: objects,
3473                  include_directories: target_inc,
3474                  c_args: c_args,
3475                  build_by_default: false,
3476                  name_suffix: 'fa')
3477
3478   if target.endswith('-softmmu')
3479     execs = [{
3480       'name': 'qemu-system-' + target_name,
3481       'win_subsystem': 'console',
3482       'sources': files('softmmu/main.c'),
3483       'dependencies': []
3484     }]
3485     if targetos == 'windows' and (sdl.found() or gtk.found())
3486       execs += [{
3487         'name': 'qemu-system-' + target_name + 'w',
3488         'win_subsystem': 'windows',
3489         'sources': files('softmmu/main.c'),
3490         'dependencies': []
3491       }]
3492     endif
3493     if get_option('fuzzing')
3494       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3495       execs += [{
3496         'name': 'qemu-fuzz-' + target_name,
3497         'win_subsystem': 'console',
3498         'sources': specific_fuzz.sources(),
3499         'dependencies': specific_fuzz.dependencies(),
3500       }]
3501     endif
3502   else
3503     execs = [{
3504       'name': 'qemu-' + target_name,
3505       'win_subsystem': 'console',
3506       'sources': [],
3507       'dependencies': []
3508     }]
3509   endif
3510   foreach exe: execs
3511     exe_name = exe['name']
3512     if targetos == 'darwin'
3513       exe_name += '-unsigned'
3514     endif
3515
3516     emulator = executable(exe_name, exe['sources'],
3517                install: true,
3518                c_args: c_args,
3519                dependencies: arch_deps + deps + exe['dependencies'],
3520                objects: lib.extract_all_objects(recursive: true),
3521                link_language: link_language,
3522                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3523                link_args: link_args,
3524                win_subsystem: exe['win_subsystem'])
3525
3526     if targetos == 'darwin'
3527       icon = 'pc-bios/qemu.rsrc'
3528       build_input = [emulator, files(icon)]
3529       install_input = [
3530         get_option('bindir') / exe_name,
3531         meson.current_source_dir() / icon
3532       ]
3533       if 'CONFIG_HVF' in config_target
3534         entitlements = 'accel/hvf/entitlements.plist'
3535         build_input += files(entitlements)
3536         install_input += meson.current_source_dir() / entitlements
3537       endif
3538
3539       emulators += {exe['name'] : custom_target(exe['name'],
3540                    input: build_input,
3541                    output: exe['name'],
3542                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3543       }
3544
3545       meson.add_install_script(entitlement, '--install',
3546                                get_option('bindir') / exe['name'],
3547                                install_input)
3548     else
3549       emulators += {exe['name']: emulator}
3550     endif
3551
3552     if stap.found()
3553       foreach stp: [
3554         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3555         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3556         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3557         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3558       ]
3559         custom_target(exe['name'] + stp['ext'],
3560                       input: trace_events_all,
3561                       output: exe['name'] + stp['ext'],
3562                       install: stp['install'],
3563                       install_dir: get_option('datadir') / 'systemtap/tapset',
3564                       command: [
3565                         tracetool, '--group=all', '--format=' + stp['fmt'],
3566                         '--binary=' + stp['bin'],
3567                         '--target-name=' + target_name,
3568                         '--target-type=' + target_type,
3569                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3570                         '@INPUT@', '@OUTPUT@'
3571                       ],
3572                       depend_files: tracetool_depends)
3573       endforeach
3574     endif
3575   endforeach
3576 endforeach
3577
3578 # Other build targets
3579
3580 if 'CONFIG_PLUGIN' in config_host
3581   install_headers('include/qemu/qemu-plugin.h')
3582 endif
3583
3584 subdir('qga')
3585
3586 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3587 # when we don't build tools or system
3588 if xkbcommon.found()
3589   # used for the update-keymaps target, so include rules even if !have_tools
3590   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3591                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3592 endif
3593
3594 if have_tools
3595   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3596              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3597   qemu_io = executable('qemu-io', files('qemu-io.c'),
3598              dependencies: [block, qemuutil], install: true)
3599   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3600                dependencies: [blockdev, qemuutil, gnutls, selinux],
3601                install: true)
3602
3603   subdir('storage-daemon')
3604   subdir('contrib/rdmacm-mux')
3605   subdir('contrib/elf2dmp')
3606
3607   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3608              dependencies: qemuutil,
3609              install: true)
3610
3611   if have_vhost_user
3612     subdir('contrib/vhost-user-blk')
3613     subdir('contrib/vhost-user-gpu')
3614     subdir('contrib/vhost-user-input')
3615     subdir('contrib/vhost-user-scsi')
3616   endif
3617
3618   if targetos == 'linux'
3619     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3620                dependencies: [qemuutil, libcap_ng],
3621                install: true,
3622                install_dir: get_option('libexecdir'))
3623
3624     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3625                dependencies: [authz, crypto, io, qom, qemuutil,
3626                               libcap_ng, mpathpersist],
3627                install: true)
3628   endif
3629
3630   if have_ivshmem
3631     subdir('contrib/ivshmem-client')
3632     subdir('contrib/ivshmem-server')
3633   endif
3634 endif
3635
3636 subdir('scripts')
3637 subdir('tools')
3638 subdir('pc-bios')
3639 subdir('docs')
3640 subdir('tests')
3641 if gtk.found()
3642   subdir('po')
3643 endif
3644
3645 if host_machine.system() == 'windows'
3646   nsis_cmd = [
3647     find_program('scripts/nsis.py'),
3648     '@OUTPUT@',
3649     get_option('prefix'),
3650     meson.current_source_dir(),
3651     config_host['GLIB_BINDIR'],
3652     host_machine.cpu(),
3653     '--',
3654     '-DDISPLAYVERSION=' + meson.project_version(),
3655   ]
3656   if build_docs
3657     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3658   endif
3659   if gtk.found()
3660     nsis_cmd += '-DCONFIG_GTK=y'
3661   endif
3662
3663   nsis = custom_target('nsis',
3664                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3665                        input: files('qemu.nsi'),
3666                        build_always_stale: true,
3667                        command: nsis_cmd + ['@INPUT@'])
3668   alias_target('installer', nsis)
3669 endif
3670
3671 #########################
3672 # Configuration summary #
3673 #########################
3674
3675 # Directories
3676 summary_info = {}
3677 summary_info += {'Install prefix':    get_option('prefix')}
3678 summary_info += {'BIOS directory':    qemu_datadir}
3679 pathsep = targetos == 'windows' ? ';' : ':'
3680 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3681 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3682 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3683 summary_info += {'module directory':  qemu_moddir}
3684 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3685 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3686 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3687 if targetos != 'windows'
3688   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3689   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3690 else
3691   summary_info += {'local state directory': 'queried at runtime'}
3692 endif
3693 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3694 summary_info += {'Build directory':   meson.current_build_dir()}
3695 summary_info += {'Source path':       meson.current_source_dir()}
3696 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3697 summary(summary_info, bool_yn: true, section: 'Directories')
3698
3699 # Host binaries
3700 summary_info = {}
3701 summary_info += {'git':               config_host['GIT']}
3702 summary_info += {'make':              config_host['MAKE']}
3703 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3704 summary_info += {'sphinx-build':      sphinx_build}
3705 if config_host.has_key('HAVE_GDB_BIN')
3706   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3707 endif
3708 summary_info += {'iasl':              iasl}
3709 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3710 if targetos == 'windows' and have_ga
3711   summary_info += {'wixl':            wixl}
3712 endif
3713 if slirp.found() and have_system
3714   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3715 endif
3716 summary(summary_info, bool_yn: true, section: 'Host binaries')
3717
3718 # Configurable features
3719 summary_info = {}
3720 summary_info += {'Documentation':     build_docs}
3721 summary_info += {'system-mode emulation': have_system}
3722 summary_info += {'user-mode emulation': have_user}
3723 summary_info += {'block layer':       have_block}
3724 summary_info += {'Install blobs':     get_option('install_blobs')}
3725 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3726 if config_host.has_key('CONFIG_MODULES')
3727   summary_info += {'alternative module path': get_option('module_upgrades')}
3728 endif
3729 summary_info += {'fuzzing support':   get_option('fuzzing')}
3730 if have_system
3731   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3732 endif
3733 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3734 if 'simple' in get_option('trace_backends')
3735   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3736 endif
3737 summary_info += {'D-Bus display':     dbus_display}
3738 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3739 summary_info += {'vhost-kernel support': have_vhost_kernel}
3740 summary_info += {'vhost-net support': have_vhost_net}
3741 summary_info += {'vhost-user support': have_vhost_user}
3742 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3743 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3744 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3745 summary_info += {'build guest agent': have_ga}
3746 summary(summary_info, bool_yn: true, section: 'Configurable features')
3747
3748 # Compilation information
3749 summary_info = {}
3750 summary_info += {'host CPU':          cpu}
3751 summary_info += {'host endianness':   build_machine.endian()}
3752 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3753 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3754 if link_language == 'cpp'
3755   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3756 else
3757   summary_info += {'C++ compiler':      false}
3758 endif
3759 if targetos == 'darwin'
3760   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3761 endif
3762 option_cflags = (get_option('debug') ? ['-g'] : [])
3763 if get_option('optimization') != 'plain'
3764   option_cflags += ['-O' + get_option('optimization')]
3765 endif
3766 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3767 if link_language == 'cpp'
3768   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3769 endif
3770 if targetos == 'darwin'
3771   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3772 endif
3773 link_args = get_option(link_language + '_link_args')
3774 if link_args.length() > 0
3775   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3776 endif
3777 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3778 if 'cpp' in all_languages
3779   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3780 endif
3781 if 'objc' in all_languages
3782   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3783 endif
3784 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3785 summary_info += {'profiler':          get_option('profiler')}
3786 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3787 summary_info += {'PIE':               get_option('b_pie')}
3788 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3789 summary_info += {'malloc trim support': has_malloc_trim}
3790 summary_info += {'membarrier':        have_membarrier}
3791 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3792 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3793 summary_info += {'memory allocator':  get_option('malloc')}
3794 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3795 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3796 summary_info += {'gprof enabled':     get_option('gprof')}
3797 summary_info += {'gcov':              get_option('b_coverage')}
3798 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3799 summary_info += {'CFI support':       get_option('cfi')}
3800 if get_option('cfi')
3801   summary_info += {'CFI debug support': get_option('cfi_debug')}
3802 endif
3803 summary_info += {'strip binaries':    get_option('strip')}
3804 summary_info += {'sparse':            sparse}
3805 summary_info += {'mingw32 support':   targetos == 'windows'}
3806 summary(summary_info, bool_yn: true, section: 'Compilation')
3807
3808 # snarf the cross-compilation information for tests
3809 summary_info = {}
3810 have_cross = false
3811 foreach target: target_dirs
3812   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3813   if fs.exists(tcg_mak)
3814     config_cross_tcg = keyval.load(tcg_mak)
3815     if 'CC' in config_cross_tcg
3816       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3817       have_cross = true
3818     endif
3819   endif
3820 endforeach
3821 if have_cross
3822   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3823 endif
3824
3825 # Targets and accelerators
3826 summary_info = {}
3827 if have_system
3828   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3829   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3830   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3831   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3832   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3833   summary_info += {'Xen support':       xen.found()}
3834   if xen.found()
3835     summary_info += {'xen ctrl version':  xen.version()}
3836   endif
3837 endif
3838 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3839 if config_all.has_key('CONFIG_TCG')
3840   if get_option('tcg_interpreter')
3841     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3842   else
3843     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3844   endif
3845   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3846   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3847 endif
3848 summary_info += {'target list':       ' '.join(target_dirs)}
3849 if have_system
3850   summary_info += {'default devices':   get_option('default_devices')}
3851   summary_info += {'out of process emulation': multiprocess_allowed}
3852   summary_info += {'vfio-user server': vfio_user_server_allowed}
3853 endif
3854 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3855
3856 # Block layer
3857 summary_info = {}
3858 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3859 summary_info += {'coroutine pool':    have_coroutine_pool}
3860 if have_block
3861   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3862   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3863   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3864   summary_info += {'VirtFS support':    have_virtfs}
3865   summary_info += {'build virtiofs daemon': have_virtiofsd}
3866   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3867   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3868   summary_info += {'bochs support':     get_option('bochs').allowed()}
3869   summary_info += {'cloop support':     get_option('cloop').allowed()}
3870   summary_info += {'dmg support':       get_option('dmg').allowed()}
3871   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3872   summary_info += {'vdi support':       get_option('vdi').allowed()}
3873   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3874   summary_info += {'qed support':       get_option('qed').allowed()}
3875   summary_info += {'parallels support': get_option('parallels').allowed()}
3876   summary_info += {'FUSE exports':      fuse}
3877   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3878 endif
3879 summary(summary_info, bool_yn: true, section: 'Block layer support')
3880
3881 # Crypto
3882 summary_info = {}
3883 summary_info += {'TLS priority':      get_option('tls_priority')}
3884 summary_info += {'GNUTLS support':    gnutls}
3885 if gnutls.found()
3886   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3887 endif
3888 summary_info += {'libgcrypt':         gcrypt}
3889 summary_info += {'nettle':            nettle}
3890 if nettle.found()
3891    summary_info += {'  XTS':             xts != 'private'}
3892 endif
3893 summary_info += {'AF_ALG support':    have_afalg}
3894 summary_info += {'rng-none':          get_option('rng_none')}
3895 summary_info += {'Linux keyring':     have_keyring}
3896 summary(summary_info, bool_yn: true, section: 'Crypto')
3897
3898 # Libraries
3899 summary_info = {}
3900 if targetos == 'darwin'
3901   summary_info += {'Cocoa support':           cocoa}
3902   summary_info += {'vmnet.framework support': vmnet}
3903 endif
3904 summary_info += {'SDL support':       sdl}
3905 summary_info += {'SDL image support': sdl_image}
3906 summary_info += {'GTK support':       gtk}
3907 summary_info += {'pixman':            pixman}
3908 summary_info += {'VTE support':       vte}
3909 summary_info += {'slirp support':     slirp}
3910 summary_info += {'libtasn1':          tasn1}
3911 summary_info += {'PAM':               pam}
3912 summary_info += {'iconv support':     iconv}
3913 summary_info += {'curses support':    curses}
3914 summary_info += {'virgl support':     virgl}
3915 summary_info += {'blkio support':     blkio}
3916 summary_info += {'curl support':      curl}
3917 summary_info += {'Multipath support': mpathpersist}
3918 summary_info += {'PNG support':       png}
3919 summary_info += {'VNC support':       vnc}
3920 if vnc.found()
3921   summary_info += {'VNC SASL support':  sasl}
3922   summary_info += {'VNC JPEG support':  jpeg}
3923 endif
3924 if targetos not in ['darwin', 'haiku', 'windows']
3925   summary_info += {'OSS support':     oss}
3926   summary_info += {'sndio support':   sndio}
3927 elif targetos == 'darwin'
3928   summary_info += {'CoreAudio support': coreaudio}
3929 elif targetos == 'windows'
3930   summary_info += {'DirectSound support': dsound}
3931 endif
3932 if targetos == 'linux'
3933   summary_info += {'ALSA support':    alsa}
3934   summary_info += {'PulseAudio support': pulse}
3935 endif
3936 summary_info += {'JACK support':      jack}
3937 summary_info += {'brlapi support':    brlapi}
3938 summary_info += {'vde support':       vde}
3939 summary_info += {'netmap support':    have_netmap}
3940 summary_info += {'l2tpv3 support':    have_l2tpv3}
3941 summary_info += {'Linux AIO support': libaio}
3942 summary_info += {'Linux io_uring support': linux_io_uring}
3943 summary_info += {'ATTR/XATTR support': libattr}
3944 summary_info += {'RDMA support':      rdma}
3945 summary_info += {'PVRDMA support':    have_pvrdma}
3946 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3947 summary_info += {'libcap-ng support': libcap_ng}
3948 summary_info += {'bpf support':       libbpf}
3949 summary_info += {'spice protocol support': spice_protocol}
3950 if spice_protocol.found()
3951   summary_info += {'  spice server support': spice}
3952 endif
3953 summary_info += {'rbd support':       rbd}
3954 summary_info += {'smartcard support': cacard}
3955 summary_info += {'U2F support':       u2f}
3956 summary_info += {'libusb':            libusb}
3957 summary_info += {'usb net redir':     usbredir}
3958 summary_info += {'OpenGL support (epoxy)': opengl}
3959 summary_info += {'GBM':               gbm}
3960 summary_info += {'libiscsi support':  libiscsi}
3961 summary_info += {'libnfs support':    libnfs}
3962 if targetos == 'windows'
3963   if have_ga
3964     summary_info += {'QGA VSS support':   have_qga_vss}
3965   endif
3966 endif
3967 summary_info += {'seccomp support':   seccomp}
3968 summary_info += {'GlusterFS support': glusterfs}
3969 summary_info += {'TPM support':       have_tpm}
3970 summary_info += {'libssh support':    libssh}
3971 summary_info += {'lzo support':       lzo}
3972 summary_info += {'snappy support':    snappy}
3973 summary_info += {'bzip2 support':     libbzip2}
3974 summary_info += {'lzfse support':     liblzfse}
3975 summary_info += {'zstd support':      zstd}
3976 summary_info += {'NUMA host support': numa}
3977 summary_info += {'capstone':          capstone}
3978 summary_info += {'libpmem support':   libpmem}
3979 summary_info += {'libdaxctl support': libdaxctl}
3980 summary_info += {'libudev':           libudev}
3981 # Dummy dependency, keep .found()
3982 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3983 summary_info += {'selinux':           selinux}
3984 summary(summary_info, bool_yn: true, section: 'Dependencies')
3985
3986 if not supported_cpus.contains(cpu)
3987   message()
3988   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3989   message()
3990   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3991   message('The QEMU project intends to remove support for this host CPU in')
3992   message('a future release if nobody volunteers to maintain it and to')
3993   message('provide a build host for our continuous integration setup.')
3994   message('configure has succeeded and you can continue to build, but')
3995   message('if you care about QEMU on this platform you should contact')
3996   message('us upstream at qemu-devel@nongnu.org.')
3997 endif
3998
3999 if not supported_oses.contains(targetos)
4000   message()
4001   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4002   message()
4003   message('Host OS ' + targetos + 'support is not currently maintained.')
4004   message('The QEMU project intends to remove support for this host OS in')
4005   message('a future release if nobody volunteers to maintain it and to')
4006   message('provide a build host for our continuous integration setup.')
4007   message('configure has succeeded and you can continue to build, but')
4008   message('if you care about QEMU on this platform you should contact')
4009   message('us upstream at qemu-devel@nongnu.org.')
4010 endif