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: '>=0.14.0',
 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: '>=0.14.0',
 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 # libdw
1652 libdw = dependency('libdw',
1653                    method: 'pkg-config',
1654                    kwargs: static_kwargs,
1655                    required: false)
1656
1657 #################
1658 # config-host.h #
1659 #################
1660
1661 audio_drivers_selected = []
1662 if have_system
1663   audio_drivers_available = {
1664     'alsa': alsa.found(),
1665     'coreaudio': coreaudio.found(),
1666     'dsound': dsound.found(),
1667     'jack': jack.found(),
1668     'oss': oss.found(),
1669     'pa': pulse.found(),
1670     'sdl': sdl.found(),
1671     'sndio': sndio.found(),
1672   }
1673   foreach k, v: audio_drivers_available
1674     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1675   endforeach
1676
1677   # Default to native drivers first, OSS second, SDL third
1678   audio_drivers_priority = \
1679     [ 'pa', 'coreaudio', 'dsound', 'sndio', 'oss' ] + \
1680     (targetos == 'linux' ? [] : [ 'sdl' ])
1681   audio_drivers_default = []
1682   foreach k: audio_drivers_priority
1683     if audio_drivers_available[k]
1684       audio_drivers_default += k
1685     endif
1686   endforeach
1687
1688   foreach k: get_option('audio_drv_list')
1689     if k == 'default'
1690       audio_drivers_selected += audio_drivers_default
1691     elif not audio_drivers_available[k]
1692       error('Audio driver "@0@" not available.'.format(k))
1693     else
1694       audio_drivers_selected += k
1695     endif
1696   endforeach
1697 endif
1698 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1699                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1700
1701 if get_option('cfi')
1702   cfi_flags=[]
1703   # Check for dependency on LTO
1704   if not get_option('b_lto')
1705     error('Selected Control-Flow Integrity but LTO is disabled')
1706   endif
1707   if config_host.has_key('CONFIG_MODULES')
1708     error('Selected Control-Flow Integrity is not compatible with modules')
1709   endif
1710   # Check for cfi flags. CFI requires LTO so we can't use
1711   # get_supported_arguments, but need a more complex "compiles" which allows
1712   # custom arguments
1713   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1714                  args: ['-flto', '-fsanitize=cfi-icall'] )
1715     cfi_flags += '-fsanitize=cfi-icall'
1716   else
1717     error('-fsanitize=cfi-icall is not supported by the compiler')
1718   endif
1719   if cc.compiles('int main () { return 0; }',
1720                  name: '-fsanitize-cfi-icall-generalize-pointers',
1721                  args: ['-flto', '-fsanitize=cfi-icall',
1722                         '-fsanitize-cfi-icall-generalize-pointers'] )
1723     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1724   else
1725     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1726   endif
1727   if get_option('cfi_debug')
1728     if cc.compiles('int main () { return 0; }',
1729                    name: '-fno-sanitize-trap=cfi-icall',
1730                    args: ['-flto', '-fsanitize=cfi-icall',
1731                           '-fno-sanitize-trap=cfi-icall'] )
1732       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1733     else
1734       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1735     endif
1736   endif
1737   add_global_arguments(cfi_flags, native: false, language: all_languages)
1738   add_global_link_arguments(cfi_flags, native: false, language: all_languages)
1739 endif
1740
1741 have_host_block_device = (targetos != 'darwin' or
1742     cc.has_header('IOKit/storage/IOMedia.h'))
1743
1744 dbus_display = get_option('dbus_display') \
1745   .require(gio.version().version_compare('>=2.64'),
1746            error_message: '-display dbus requires glib>=2.64') \
1747   .require(gdbus_codegen.found(),
1748            error_message: gdbus_codegen_error.format('-display dbus')) \
1749   .require(opengl.found() and gbm.found(),
1750            error_message: '-display dbus requires epoxy/egl and gbm') \
1751   .allowed()
1752
1753 have_virtfs = get_option('virtfs') \
1754     .require(targetos == 'linux' or targetos == 'darwin',
1755              error_message: 'virtio-9p (virtfs) requires Linux or macOS') \
1756     .require(targetos == 'linux' or cc.has_function('pthread_fchdir_np'),
1757              error_message: 'virtio-9p (virtfs) on macOS requires the presence of pthread_fchdir_np') \
1758     .require(targetos == 'darwin' or (libattr.found() and libcap_ng.found()),
1759              error_message: 'virtio-9p (virtfs) on Linux requires libcap-ng-devel and libattr-devel') \
1760     .disable_auto_if(not have_tools and not have_system) \
1761     .allowed()
1762
1763 have_virtfs_proxy_helper = targetos != 'darwin' and have_virtfs and have_tools
1764
1765 if get_option('block_drv_ro_whitelist') == ''
1766   config_host_data.set('CONFIG_BDRV_RO_WHITELIST', '')
1767 else
1768   config_host_data.set('CONFIG_BDRV_RO_WHITELIST',
1769         '"' + get_option('block_drv_ro_whitelist').replace(',', '", "') + '", ')
1770 endif
1771 if get_option('block_drv_rw_whitelist') == ''
1772   config_host_data.set('CONFIG_BDRV_RW_WHITELIST', '')
1773 else
1774   config_host_data.set('CONFIG_BDRV_RW_WHITELIST',
1775         '"' + get_option('block_drv_rw_whitelist').replace(',', '", "') + '", ')
1776 endif
1777
1778 foreach k : get_option('trace_backends')
1779   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1780 endforeach
1781 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1782 config_host_data.set_quoted('CONFIG_TLS_PRIORITY', get_option('tls_priority'))
1783 if iasl.found()
1784   config_host_data.set_quoted('CONFIG_IASL', iasl.full_path())
1785 endif
1786 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1787 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1788 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1789 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1790 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1791
1792 qemu_firmwarepath = ''
1793 foreach k : get_option('qemu_firmwarepath')
1794   qemu_firmwarepath += '"' + get_option('prefix') / k + '", '
1795 endforeach
1796 config_host_data.set('CONFIG_QEMU_FIRMWAREPATH', qemu_firmwarepath)
1797
1798 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1799 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1800 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1801 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1802 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1803 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1804
1805 if config_host.has_key('CONFIG_MODULES')
1806   config_host_data.set('CONFIG_STAMP', run_command(
1807       meson.current_source_dir() / 'scripts/qemu-stamp.py',
1808       meson.project_version(), get_option('pkgversion'), '--',
1809       meson.current_source_dir() / 'configure',
1810       capture: true, check: true).stdout().strip())
1811 endif
1812
1813 have_slirp_smbd = get_option('slirp_smbd') \
1814   .require(targetos != 'windows', error_message: 'Host smbd not supported on this platform.') \
1815   .allowed()
1816 if have_slirp_smbd
1817   smbd_path = get_option('smbd')
1818   if smbd_path == ''
1819     smbd_path = (targetos == 'solaris' ? '/usr/sfw/sbin/smbd' : '/usr/sbin/smbd')
1820   endif
1821   config_host_data.set_quoted('CONFIG_SMBD_COMMAND', smbd_path)
1822 endif
1823
1824 config_host_data.set('HOST_' + host_arch.to_upper(), 1)
1825
1826 if get_option('module_upgrades') and not enable_modules
1827   error('Cannot enable module-upgrades as modules are not enabled')
1828 endif
1829 config_host_data.set('CONFIG_MODULE_UPGRADES', get_option('module_upgrades'))
1830
1831 config_host_data.set('CONFIG_ATTR', libattr.found())
1832 config_host_data.set('CONFIG_BDRV_WHITELIST_TOOLS', get_option('block_drv_whitelist_in_tools'))
1833 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1834 config_host_data.set('CONFIG_COCOA', cocoa.found())
1835 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1836 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1837 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1838 config_host_data.set('CONFIG_LZO', lzo.found())
1839 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1840 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1841 config_host_data.set('CONFIG_BLKIO', blkio.found())
1842 config_host_data.set('CONFIG_CURL', curl.found())
1843 config_host_data.set('CONFIG_CURSES', curses.found())
1844 config_host_data.set('CONFIG_GBM', gbm.found())
1845 config_host_data.set('CONFIG_GIO', gio.found())
1846 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1847 if glusterfs.found()
1848   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1849   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1850   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1851   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1852   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1853   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1854 endif
1855 config_host_data.set('CONFIG_GTK', gtk.found())
1856 config_host_data.set('CONFIG_VTE', vte.found())
1857 config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
1858 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1859 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1860 config_host_data.set('CONFIG_EBPF', libbpf.found())
1861 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1862 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1863 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1864 config_host_data.set('CONFIG_LIBSSH', libssh.found())
1865 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1866 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1867 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1868 config_host_data.set('CONFIG_NUMA', numa.found())
1869 if numa.found()
1870   config_host_data.set('HAVE_NUMA_HAS_PREFERRED_MANY',
1871                        cc.has_function('numa_has_preferred_many',
1872                                        dependencies: numa))
1873 endif
1874 config_host_data.set('CONFIG_OPENGL', opengl.found())
1875 config_host_data.set('CONFIG_PROFILER', get_option('profiler'))
1876 config_host_data.set('CONFIG_RBD', rbd.found())
1877 config_host_data.set('CONFIG_RDMA', rdma.found())
1878 config_host_data.set('CONFIG_SDL', sdl.found())
1879 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1880 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1881 if seccomp.found()
1882   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
1883 endif
1884 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1885 config_host_data.set('CONFIG_TPM', have_tpm)
1886 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1887 config_host_data.set('CONFIG_VDE', vde.found())
1888 config_host_data.set('CONFIG_VHOST_NET', have_vhost_net)
1889 config_host_data.set('CONFIG_VHOST_NET_USER', have_vhost_net_user)
1890 config_host_data.set('CONFIG_VHOST_NET_VDPA', have_vhost_net_vdpa)
1891 config_host_data.set('CONFIG_VHOST_KERNEL', have_vhost_kernel)
1892 config_host_data.set('CONFIG_VHOST_USER', have_vhost_user)
1893 config_host_data.set('CONFIG_VHOST_CRYPTO', have_vhost_user_crypto)
1894 config_host_data.set('CONFIG_VHOST_VDPA', have_vhost_vdpa)
1895 config_host_data.set('CONFIG_VMNET', vmnet.found())
1896 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1897 config_host_data.set('CONFIG_VDUSE_BLK_EXPORT', have_vduse_blk_export)
1898 config_host_data.set('CONFIG_PNG', png.found())
1899 config_host_data.set('CONFIG_VNC', vnc.found())
1900 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1901 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1902 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1903 config_host_data.set('CONFIG_VTE', vte.found())
1904 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1905 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1906 config_host_data.set('CONFIG_GETTID', has_gettid)
1907 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1908 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1909 config_host_data.set('CONFIG_TASN1', tasn1.found())
1910 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1911 config_host_data.set('CONFIG_NETTLE', nettle.found())
1912 config_host_data.set('CONFIG_HOGWEED', hogweed.found())
1913 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1914 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1915 config_host_data.set('CONFIG_STATX', has_statx)
1916 config_host_data.set('CONFIG_STATX_MNT_ID', has_statx_mnt_id)
1917 config_host_data.set('CONFIG_ZSTD', zstd.found())
1918 config_host_data.set('CONFIG_FUSE', fuse.found())
1919 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1920 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1921 if spice_protocol.found()
1922 config_host_data.set('CONFIG_SPICE_PROTOCOL_MAJOR', spice_protocol.version().split('.')[0])
1923 config_host_data.set('CONFIG_SPICE_PROTOCOL_MINOR', spice_protocol.version().split('.')[1])
1924 config_host_data.set('CONFIG_SPICE_PROTOCOL_MICRO', spice_protocol.version().split('.')[2])
1925 endif
1926 config_host_data.set('CONFIG_SPICE', spice.found())
1927 config_host_data.set('CONFIG_X11', x11.found())
1928 config_host_data.set('CONFIG_DBUS_DISPLAY', dbus_display)
1929 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1930 config_host_data.set('CONFIG_SELINUX', selinux.found())
1931 config_host_data.set('CONFIG_XEN_BACKEND', xen.found())
1932 config_host_data.set('CONFIG_LIBDW', libdw.found())
1933 if xen.found()
1934   # protect from xen.version() having less than three components
1935   xen_version = xen.version().split('.') + ['0', '0']
1936   xen_ctrl_version = xen_version[0] + \
1937     ('0' + xen_version[1]).substring(-2) + \
1938     ('0' + xen_version[2]).substring(-2)
1939   config_host_data.set('CONFIG_XEN_CTRL_INTERFACE_VERSION', xen_ctrl_version)
1940 endif
1941 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1942 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1943 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1944 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1945
1946 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1947 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1948
1949 have_coroutine_pool = get_option('coroutine_pool')
1950 if get_option('debug_stack_usage') and have_coroutine_pool
1951   message('Disabling coroutine pool to measure stack usage')
1952   have_coroutine_pool = false
1953 endif
1954 config_host_data.set10('CONFIG_COROUTINE_POOL', have_coroutine_pool)
1955 config_host_data.set('CONFIG_DEBUG_MUTEX', get_option('debug_mutex'))
1956 config_host_data.set('CONFIG_DEBUG_STACK_USAGE', get_option('debug_stack_usage'))
1957 config_host_data.set('CONFIG_GPROF', get_option('gprof'))
1958 config_host_data.set('CONFIG_LIVE_BLOCK_MIGRATION', get_option('live_block_migration').allowed())
1959 config_host_data.set('CONFIG_QOM_CAST_DEBUG', get_option('qom_cast_debug'))
1960 config_host_data.set('CONFIG_REPLICATION', get_option('replication').allowed())
1961
1962 # has_header
1963 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1964 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1965 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1966 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1967 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1968 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1969 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1970 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1971 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1972 if targetos == 'windows'
1973   config_host_data.set('HAVE_AFUNIX_H', cc.has_header('afunix.h'))
1974 endif
1975
1976 # has_function
1977 config_host_data.set('CONFIG_CLOSE_RANGE', cc.has_function('close_range'))
1978 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1979 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1980 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1981 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1982 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1983 # Note that we need to specify prefix: here to avoid incorrectly
1984 # thinking that Windows has posix_memalign()
1985 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign', prefix: '#include <stdlib.h>'))
1986 config_host_data.set('CONFIG_ALIGNED_MALLOC', cc.has_function('_aligned_malloc'))
1987 config_host_data.set('CONFIG_VALLOC', cc.has_function('valloc'))
1988 config_host_data.set('CONFIG_MEMALIGN', cc.has_function('memalign'))
1989 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1990 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1991 config_host_data.set('CONFIG_PTHREAD_FCHDIR_NP', cc.has_function('pthread_fchdir_np'))
1992 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1993 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1994 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1995 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1996 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1997 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1998 config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
1999 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
2000 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
2001 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
2002 if rbd.found()
2003   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
2004                        cc.has_function('rbd_namespace_exists',
2005                                        dependencies: rbd,
2006                                        prefix: '#include <rbd/librbd.h>'))
2007 endif
2008 if rdma.found()
2009   config_host_data.set('HAVE_IBV_ADVISE_MR',
2010                        cc.has_function('ibv_advise_mr',
2011                                        dependencies: rdma,
2012                                        prefix: '#include <infiniband/verbs.h>'))
2013 endif
2014
2015 # has_header_symbol
2016 config_host_data.set('CONFIG_BYTESWAP_H',
2017                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
2018 config_host_data.set('CONFIG_EPOLL_CREATE1',
2019                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
2020 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
2021                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
2022                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
2023 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
2024                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
2025 config_host_data.set('CONFIG_FIEMAP',
2026                      cc.has_header('linux/fiemap.h') and
2027                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
2028 config_host_data.set('CONFIG_GETRANDOM',
2029                      cc.has_function('getrandom') and
2030                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
2031 config_host_data.set('CONFIG_INOTIFY',
2032                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
2033 config_host_data.set('CONFIG_INOTIFY1',
2034                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
2035 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
2036                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
2037                                           prefix: '''#include <sys/endian.h>
2038                                                      #include <sys/types.h>'''))
2039 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
2040                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
2041 config_host_data.set('CONFIG_RTNETLINK',
2042                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
2043 config_host_data.set('CONFIG_SYSMACROS',
2044                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
2045 config_host_data.set('HAVE_OPTRESET',
2046                      cc.has_header_symbol('getopt.h', 'optreset'))
2047 config_host_data.set('HAVE_IPPROTO_MPTCP',
2048                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
2049 config_host_data.set('HAVE_SYS_MOUNT_FSCONFIG',
2050                      cc.has_header_symbol('sys/mount.h', 'FSCONFIG_SET_FLAG'))
2051
2052 # has_member
2053 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
2054                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
2055                                    prefix: '#include <signal.h>'))
2056 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
2057                      cc.has_member('struct stat', 'st_atim',
2058                                    prefix: '#include <sys/stat.h>'))
2059
2060 # has_type
2061 config_host_data.set('CONFIG_IOVEC',
2062                      cc.has_type('struct iovec',
2063                                  prefix: '#include <sys/uio.h>'))
2064 config_host_data.set('HAVE_UTMPX',
2065                      cc.has_type('struct utmpx',
2066                                  prefix: '#include <utmpx.h>'))
2067
2068 config_host_data.set('CONFIG_EVENTFD', cc.links('''
2069   #include <sys/eventfd.h>
2070   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
2071 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
2072   #include <unistd.h>
2073   int main(void) {
2074   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
2075   return fdatasync(0);
2076   #else
2077   #error Not supported
2078   #endif
2079   }'''))
2080
2081 has_madvise = cc.links(gnu_source_prefix + '''
2082   #include <sys/types.h>
2083   #include <sys/mman.h>
2084   #include <stddef.h>
2085   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }''')
2086 missing_madvise_proto = false
2087 if has_madvise
2088   # Some platforms (illumos and Solaris before Solaris 11) provide madvise()
2089   # but forget to prototype it. In this case, has_madvise will be true (the
2090   # test program links despite a compile warning). To detect the
2091   # missing-prototype case, we try again with a definitely-bogus prototype.
2092   # This will only compile if the system headers don't provide the prototype;
2093   # otherwise the conflicting prototypes will cause a compiler error.
2094   missing_madvise_proto = cc.links(gnu_source_prefix + '''
2095     #include <sys/types.h>
2096     #include <sys/mman.h>
2097     #include <stddef.h>
2098     extern int madvise(int);
2099     int main(void) { return madvise(0); }''')
2100 endif
2101 config_host_data.set('CONFIG_MADVISE', has_madvise)
2102 config_host_data.set('HAVE_MADVISE_WITHOUT_PROTOTYPE', missing_madvise_proto)
2103
2104 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
2105   #include <sys/mman.h>
2106   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
2107 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
2108   #include <fcntl.h>
2109   #if !defined(AT_EMPTY_PATH)
2110   # error missing definition
2111   #else
2112   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
2113   #endif'''))
2114 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
2115   #include <sys/mman.h>
2116   #include <stddef.h>
2117   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
2118
2119 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links(gnu_source_prefix + '''
2120   #include <pthread.h>
2121
2122   static void *f(void *p) { return NULL; }
2123   int main(void)
2124   {
2125     pthread_t thread;
2126     pthread_create(&thread, 0, f, 0);
2127     pthread_setname_np(thread, "QEMU");
2128     return 0;
2129   }''', dependencies: threads))
2130 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links(gnu_source_prefix + '''
2131   #include <pthread.h>
2132
2133   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
2134   int main(void)
2135   {
2136     pthread_t thread;
2137     pthread_create(&thread, 0, f, 0);
2138     return 0;
2139   }''', dependencies: threads))
2140 config_host_data.set('CONFIG_PTHREAD_CONDATTR_SETCLOCK', cc.links(gnu_source_prefix + '''
2141   #include <pthread.h>
2142   #include <time.h>
2143
2144   int main(void)
2145   {
2146     pthread_condattr_t attr
2147     pthread_condattr_init(&attr);
2148     pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
2149     return 0;
2150   }''', dependencies: threads))
2151 config_host_data.set('CONFIG_PTHREAD_AFFINITY_NP', cc.links(gnu_source_prefix + '''
2152   #include <pthread.h>
2153
2154   static void *f(void *p) { return NULL; }
2155   int main(void)
2156   {
2157     int setsize = CPU_ALLOC_SIZE(64);
2158     pthread_t thread;
2159     cpu_set_t *cpuset;
2160     pthread_create(&thread, 0, f, 0);
2161     cpuset = CPU_ALLOC(64);
2162     CPU_ZERO_S(setsize, cpuset);
2163     pthread_setaffinity_np(thread, setsize, cpuset);
2164     pthread_getaffinity_np(thread, setsize, cpuset);
2165     CPU_FREE(cpuset);
2166     return 0;
2167   }''', dependencies: threads))
2168 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
2169   #include <sys/signalfd.h>
2170   #include <stddef.h>
2171   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
2172 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
2173   #include <unistd.h>
2174   #include <fcntl.h>
2175   #include <limits.h>
2176
2177   int main(void)
2178   {
2179     int len, fd = 0;
2180     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
2181     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
2182     return 0;
2183   }'''))
2184
2185 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
2186   #include <sys/mman.h>
2187   int main(void) {
2188     return mlockall(MCL_FUTURE);
2189   }'''))
2190
2191 have_l2tpv3 = false
2192 if get_option('l2tpv3').allowed() and have_system
2193   have_l2tpv3 = cc.has_type('struct mmsghdr',
2194     prefix: gnu_source_prefix + '''
2195       #include <sys/socket.h>
2196       #include <linux/ip.h>''')
2197 endif
2198 config_host_data.set('CONFIG_L2TPV3', have_l2tpv3)
2199
2200 have_netmap = false
2201 if get_option('netmap').allowed() and have_system
2202   have_netmap = cc.compiles('''
2203     #include <inttypes.h>
2204     #include <net/if.h>
2205     #include <net/netmap.h>
2206     #include <net/netmap_user.h>
2207     #if (NETMAP_API < 11) || (NETMAP_API > 15)
2208     #error
2209     #endif
2210     int main(void) { return 0; }''')
2211   if not have_netmap and get_option('netmap').enabled()
2212     error('Netmap headers not available')
2213   endif
2214 endif
2215 config_host_data.set('CONFIG_NETMAP', have_netmap)
2216
2217 # Work around a system header bug with some kernel/XFS header
2218 # versions where they both try to define 'struct fsxattr':
2219 # xfs headers will not try to redefine structs from linux headers
2220 # if this macro is set.
2221 config_host_data.set('HAVE_FSXATTR', cc.links('''
2222   #include <linux/fs.h>
2223   struct fsxattr foo;
2224   int main(void) {
2225     return 0;
2226   }'''))
2227
2228 # Some versions of Mac OS X incorrectly define SIZE_MAX
2229 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
2230     #include <stdint.h>
2231     #include <stdio.h>
2232     int main(void) {
2233         return printf("%zu", SIZE_MAX);
2234     }''', args: ['-Werror']))
2235
2236 atomic_test = '''
2237   #include <stdint.h>
2238   int main(void)
2239   {
2240     @0@ x = 0, y = 0;
2241     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
2242     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
2243     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
2244     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
2245     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
2246     return 0;
2247   }'''
2248
2249 # See if 64-bit atomic operations are supported.
2250 # Note that without __atomic builtins, we can only
2251 # assume atomic loads/stores max at pointer size.
2252 config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
2253
2254 has_int128 = cc.links('''
2255   __int128_t a;
2256   __uint128_t b;
2257   int main (void) {
2258     a = a + b;
2259     b = a * b;
2260     a = a * a;
2261     return 0;
2262   }''')
2263
2264 config_host_data.set('CONFIG_INT128', has_int128)
2265
2266 if has_int128
2267   # "do we have 128-bit atomics which are handled inline and specifically not
2268   # via libatomic". The reason we can't use libatomic is documented in the
2269   # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
2270   has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
2271
2272   config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
2273
2274   if not has_atomic128
2275     has_cmpxchg128 = cc.links('''
2276       int main(void)
2277       {
2278         unsigned __int128 x = 0, y = 0;
2279         __sync_val_compare_and_swap_16(&x, y, x);
2280         return 0;
2281       }
2282     ''')
2283
2284     config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
2285   endif
2286 endif
2287
2288 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
2289   #include <sys/auxv.h>
2290   int main(void) {
2291     return getauxval(AT_HWCAP) == 0;
2292   }'''))
2293
2294 config_host_data.set('CONFIG_USBFS', have_linux_user and cc.compiles('''
2295   #include <linux/usbdevice_fs.h>
2296
2297   #ifndef USBDEVFS_GET_CAPABILITIES
2298   #error "USBDEVFS_GET_CAPABILITIES undefined"
2299   #endif
2300
2301   #ifndef USBDEVFS_DISCONNECT_CLAIM
2302   #error "USBDEVFS_DISCONNECT_CLAIM undefined"
2303   #endif
2304
2305   int main(void) { return 0; }'''))
2306
2307 have_keyring = get_option('keyring') \
2308   .require(targetos == 'linux', error_message: 'keyring is only available on Linux') \
2309   .require(cc.compiles('''
2310     #include <errno.h>
2311     #include <asm/unistd.h>
2312     #include <linux/keyctl.h>
2313     #include <sys/syscall.h>
2314     #include <unistd.h>
2315     int main(void) {
2316         return syscall(__NR_keyctl, KEYCTL_READ, 0, NULL, NULL, 0);
2317     }'''), error_message: 'keyctl syscall not available on this system').allowed()
2318 config_host_data.set('CONFIG_SECRET_KEYRING', have_keyring)
2319
2320 have_cpuid_h = cc.links('''
2321   #include <cpuid.h>
2322   int main(void) {
2323     unsigned a, b, c, d;
2324     unsigned max = __get_cpuid_max(0, 0);
2325
2326     if (max >= 1) {
2327         __cpuid(1, a, b, c, d);
2328     }
2329
2330     if (max >= 7) {
2331         __cpuid_count(7, 0, a, b, c, d);
2332     }
2333
2334     return 0;
2335   }''')
2336 config_host_data.set('CONFIG_CPUID_H', have_cpuid_h)
2337
2338 config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
2339   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX2') \
2340   .require(cc.links('''
2341     #include <cpuid.h>
2342     #include <immintrin.h>
2343     static int __attribute__((target("avx2"))) bar(void *a) {
2344       __m256i x = *(__m256i *)a;
2345       return _mm256_testz_si256(x, x);
2346     }
2347     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2348   '''), error_message: 'AVX2 not available').allowed())
2349
2350 config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
2351   .require(have_cpuid_h, error_message: 'cpuid.h not available, cannot enable AVX512F') \
2352   .require(cc.links('''
2353     #include <cpuid.h>
2354     #include <immintrin.h>
2355     static int __attribute__((target("avx512f"))) bar(void *a) {
2356       __m512i x = *(__m512i *)a;
2357       return _mm512_test_epi64_mask(x, x);
2358     }
2359     int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
2360   '''), error_message: 'AVX512F not available').allowed())
2361
2362 have_pvrdma = get_option('pvrdma') \
2363   .require(rdma.found(), error_message: 'PVRDMA requires OpenFabrics libraries') \
2364   .require(cc.compiles(gnu_source_prefix + '''
2365     #include <sys/mman.h>
2366     int main(void)
2367     {
2368       char buf = 0;
2369       void *addr = &buf;
2370       addr = mremap(addr, 0, 1, MREMAP_MAYMOVE | MREMAP_FIXED);
2371
2372       return 0;
2373     }'''), error_message: 'PVRDMA requires mremap').allowed()
2374
2375 if have_pvrdma
2376   config_host_data.set('LEGACY_RDMA_REG_MR', not cc.links('''
2377     #include <infiniband/verbs.h>
2378     int main(void)
2379     {
2380       struct ibv_mr *mr;
2381       struct ibv_pd *pd = NULL;
2382       size_t length = 10;
2383       uint64_t iova = 0;
2384       int access = 0;
2385       void *addr = NULL;
2386
2387       mr = ibv_reg_mr_iova(pd, addr, length, iova, access);
2388       ibv_dereg_mr(mr);
2389       return 0;
2390     }'''))
2391 endif
2392
2393 if get_option('membarrier').disabled()
2394   have_membarrier = false
2395 elif targetos == 'windows'
2396   have_membarrier = true
2397 elif targetos == 'linux'
2398   have_membarrier = cc.compiles('''
2399     #include <linux/membarrier.h>
2400     #include <sys/syscall.h>
2401     #include <unistd.h>
2402     #include <stdlib.h>
2403     int main(void) {
2404         syscall(__NR_membarrier, MEMBARRIER_CMD_QUERY, 0);
2405         syscall(__NR_membarrier, MEMBARRIER_CMD_SHARED, 0);
2406         exit(0);
2407     }''')
2408 endif
2409 config_host_data.set('CONFIG_MEMBARRIER', get_option('membarrier') \
2410   .require(have_membarrier, error_message: 'membarrier system call not available') \
2411   .allowed())
2412
2413 have_afalg = get_option('crypto_afalg') \
2414   .require(cc.compiles(gnu_source_prefix + '''
2415     #include <errno.h>
2416     #include <sys/types.h>
2417     #include <sys/socket.h>
2418     #include <linux/if_alg.h>
2419     int main(void) {
2420       int sock;
2421       sock = socket(AF_ALG, SOCK_SEQPACKET, 0);
2422       return sock;
2423     }
2424   '''), error_message: 'AF_ALG requested but could not be detected').allowed()
2425 config_host_data.set('CONFIG_AF_ALG', have_afalg)
2426
2427 config_host_data.set('CONFIG_AF_VSOCK', cc.has_header_symbol(
2428   'linux/vm_sockets.h', 'AF_VSOCK',
2429   prefix: '#include <sys/socket.h>',
2430 ))
2431
2432 have_vss = false
2433 have_vss_sdk = false # old xp/2003 SDK
2434 if targetos == 'windows' and link_language == 'cpp'
2435   have_vss = cxx.compiles('''
2436     #define __MIDL_user_allocate_free_DEFINED__
2437     #include <vss.h>
2438     int main(void) { return VSS_CTX_BACKUP; }''')
2439   have_vss_sdk = cxx.has_header('vscoordint.h')
2440 endif
2441 config_host_data.set('HAVE_VSS_SDK', have_vss_sdk)
2442
2443 foreach k, v: config_host
2444   if k.startswith('CONFIG_')
2445     config_host_data.set(k, v == 'y' ? 1 : v)
2446   endif
2447 endforeach
2448
2449 # Older versions of MinGW do not import _lock_file and _unlock_file properly.
2450 # This was fixed for v6.0.0 with commit b48e3ac8969d.
2451 if targetos == 'windows'
2452   config_host_data.set('HAVE__LOCK_FILE', cc.links('''
2453     #include <stdio.h>
2454     int main(void) {
2455       _lock_file(NULL);
2456       _unlock_file(NULL);
2457       return 0;
2458     }''', name: '_lock_file and _unlock_file'))
2459 endif
2460
2461 ########################
2462 # Target configuration #
2463 ########################
2464
2465 minikconf = find_program('scripts/minikconf.py')
2466 config_all = {}
2467 config_all_devices = {}
2468 config_all_disas = {}
2469 config_devices_mak_list = []
2470 config_devices_h = {}
2471 config_target_h = {}
2472 config_target_mak = {}
2473
2474 disassemblers = {
2475   'alpha' : ['CONFIG_ALPHA_DIS'],
2476   'avr' : ['CONFIG_AVR_DIS'],
2477   'cris' : ['CONFIG_CRIS_DIS'],
2478   'hexagon' : ['CONFIG_HEXAGON_DIS'],
2479   'hppa' : ['CONFIG_HPPA_DIS'],
2480   'i386' : ['CONFIG_I386_DIS'],
2481   'x86_64' : ['CONFIG_I386_DIS'],
2482   'm68k' : ['CONFIG_M68K_DIS'],
2483   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
2484   'mips' : ['CONFIG_MIPS_DIS'],
2485   'nios2' : ['CONFIG_NIOS2_DIS'],
2486   'or1k' : ['CONFIG_OPENRISC_DIS'],
2487   'ppc' : ['CONFIG_PPC_DIS'],
2488   'riscv' : ['CONFIG_RISCV_DIS'],
2489   'rx' : ['CONFIG_RX_DIS'],
2490   's390' : ['CONFIG_S390_DIS'],
2491   'sh4' : ['CONFIG_SH4_DIS'],
2492   'sparc' : ['CONFIG_SPARC_DIS'],
2493   'xtensa' : ['CONFIG_XTENSA_DIS'],
2494   'loongarch' : ['CONFIG_LOONGARCH_DIS'],
2495 }
2496
2497 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
2498 host_kconfig = \
2499   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
2500   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
2501   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
2502   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
2503   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
2504   (x11.found() ? ['CONFIG_X11=y'] : []) + \
2505   (have_vhost_user ? ['CONFIG_VHOST_USER=y'] : []) + \
2506   (have_vhost_vdpa ? ['CONFIG_VHOST_VDPA=y'] : []) + \
2507   (have_vhost_kernel ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
2508   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
2509   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
2510   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
2511   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
2512   (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
2513
2514 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
2515
2516 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
2517 actual_target_dirs = []
2518 fdt_required = []
2519 foreach target : target_dirs
2520   config_target = { 'TARGET_NAME': target.split('-')[0] }
2521   if target.endswith('linux-user')
2522     if targetos != 'linux'
2523       if default_targets
2524         continue
2525       endif
2526       error('Target @0@ is only available on a Linux host'.format(target))
2527     endif
2528     config_target += { 'CONFIG_LINUX_USER': 'y' }
2529   elif target.endswith('bsd-user')
2530     if 'CONFIG_BSD' not in config_host
2531       if default_targets
2532         continue
2533       endif
2534       error('Target @0@ is only available on a BSD host'.format(target))
2535     endif
2536     config_target += { 'CONFIG_BSD_USER': 'y' }
2537   elif target.endswith('softmmu')
2538     config_target += { 'CONFIG_SOFTMMU': 'y' }
2539   endif
2540   if target.endswith('-user')
2541     config_target += {
2542       'CONFIG_USER_ONLY': 'y',
2543       'CONFIG_QEMU_INTERP_PREFIX':
2544         get_option('interp_prefix').replace('%M', config_target['TARGET_NAME'])
2545     }
2546   endif
2547
2548   accel_kconfig = []
2549   foreach sym: accelerators
2550     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
2551       config_target += { sym: 'y' }
2552       config_all += { sym: 'y' }
2553       if target in modular_tcg
2554         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
2555       else
2556         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
2557       endif
2558       accel_kconfig += [ sym + '=y' ]
2559     endif
2560   endforeach
2561   if accel_kconfig.length() == 0
2562     if default_targets
2563       continue
2564     endif
2565     error('No accelerator available for target @0@'.format(target))
2566   endif
2567
2568   actual_target_dirs += target
2569   config_target += keyval.load('configs/targets' / target + '.mak')
2570   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
2571
2572   if 'TARGET_NEED_FDT' in config_target
2573     fdt_required += target
2574   endif
2575
2576   # Add default keys
2577   if 'TARGET_BASE_ARCH' not in config_target
2578     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
2579   endif
2580   if 'TARGET_ABI_DIR' not in config_target
2581     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
2582   endif
2583   if 'TARGET_BIG_ENDIAN' not in config_target
2584     config_target += {'TARGET_BIG_ENDIAN': 'n'}
2585   endif
2586
2587   foreach k, v: disassemblers
2588     if host_arch.startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
2589       foreach sym: v
2590         config_target += { sym: 'y' }
2591         config_all_disas += { sym: 'y' }
2592       endforeach
2593     endif
2594   endforeach
2595
2596   config_target_data = configuration_data()
2597   foreach k, v: config_target
2598     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
2599       # do nothing
2600     elif ignored.contains(k)
2601       # do nothing
2602     elif k == 'TARGET_BASE_ARCH'
2603       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
2604       # not used to select files from sourcesets.
2605       config_target_data.set('TARGET_' + v.to_upper(), 1)
2606     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
2607       config_target_data.set_quoted(k, v)
2608     elif v == 'y'
2609       config_target_data.set(k, 1)
2610     elif v == 'n'
2611       config_target_data.set(k, 0)
2612     else
2613       config_target_data.set(k, v)
2614     endif
2615   endforeach
2616   config_target_data.set('QEMU_ARCH',
2617                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
2618   config_target_h += {target: configure_file(output: target + '-config-target.h',
2619                                                configuration: config_target_data)}
2620
2621   if target.endswith('-softmmu')
2622     config_input = meson.get_external_property(target, 'default')
2623     config_devices_mak = target + '-config-devices.mak'
2624     config_devices_mak = configure_file(
2625       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
2626       output: config_devices_mak,
2627       depfile: config_devices_mak + '.d',
2628       capture: true,
2629       command: [minikconf,
2630                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
2631                 config_devices_mak, '@DEPFILE@', '@INPUT@',
2632                 host_kconfig, accel_kconfig,
2633                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
2634
2635     config_devices_data = configuration_data()
2636     config_devices = keyval.load(config_devices_mak)
2637     foreach k, v: config_devices
2638       config_devices_data.set(k, 1)
2639     endforeach
2640     config_devices_mak_list += config_devices_mak
2641     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
2642                                                 configuration: config_devices_data)}
2643     config_target += config_devices
2644     config_all_devices += config_devices
2645   endif
2646   config_target_mak += {target: config_target}
2647 endforeach
2648 target_dirs = actual_target_dirs
2649
2650 # This configuration is used to build files that are shared by
2651 # multiple binaries, and then extracted out of the "common"
2652 # static_library target.
2653 #
2654 # We do not use all_sources()/all_dependencies(), because it would
2655 # build literally all source files, including devices only used by
2656 # targets that are not built for this compilation.  The CONFIG_ALL
2657 # pseudo symbol replaces it.
2658
2659 config_all += config_all_devices
2660 config_all += config_host
2661 config_all += config_all_disas
2662 config_all += {
2663   'CONFIG_XEN': xen.found(),
2664   'CONFIG_SOFTMMU': have_system,
2665   'CONFIG_USER_ONLY': have_user,
2666   'CONFIG_ALL': true,
2667 }
2668
2669 target_configs_h = []
2670 foreach target: target_dirs
2671   target_configs_h += config_target_h[target]
2672   target_configs_h += config_devices_h.get(target, [])
2673 endforeach
2674 genh += custom_target('config-poison.h',
2675                       input: [target_configs_h],
2676                       output: 'config-poison.h',
2677                       capture: true,
2678                       command: [find_program('scripts/make-config-poison.sh'),
2679                                 target_configs_h])
2680
2681 ##############
2682 # Submodules #
2683 ##############
2684
2685 capstone = not_found
2686 if not get_option('capstone').auto() or have_system or have_user
2687   capstone = dependency('capstone', version: '>=3.0.5',
2688                         kwargs: static_kwargs, method: 'pkg-config',
2689                         required: get_option('capstone'))
2690
2691   # Some versions of capstone have broken pkg-config file
2692   # that reports a wrong -I path, causing the #include to
2693   # fail later. If the system has such a broken version
2694   # do not use it.
2695   if capstone.found() and not cc.compiles('#include <capstone.h>',
2696                                           dependencies: [capstone])
2697     capstone = not_found
2698     if get_option('capstone').enabled()
2699       error('capstone requested, but it does not appear to work')
2700     endif
2701   endif
2702 endif
2703
2704 libvfio_user_dep = not_found
2705 if have_system and vfio_user_server_allowed
2706   have_internal = fs.exists(meson.current_source_dir() / 'subprojects/libvfio-user/meson.build')
2707
2708   if not have_internal
2709     error('libvfio-user source not found - please pull git submodule')
2710   endif
2711
2712   libvfio_user_proj = subproject('libvfio-user')
2713
2714   libvfio_user_lib = libvfio_user_proj.get_variable('libvfio_user_dep')
2715
2716   libvfio_user_dep = declare_dependency(dependencies: [libvfio_user_lib])
2717 endif
2718
2719 fdt = not_found
2720 if have_system
2721   fdt_opt = get_option('fdt')
2722   if fdt_opt in ['enabled', 'auto', 'system']
2723     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2724     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2725                           required: fdt_opt == 'system' or
2726                                     fdt_opt == 'enabled' and not have_internal)
2727     if fdt.found() and cc.links('''
2728        #include <libfdt.h>
2729        #include <libfdt_env.h>
2730        int main(void) { fdt_find_max_phandle(NULL, NULL); return 0; }''',
2731          dependencies: fdt)
2732       fdt_opt = 'system'
2733     elif fdt_opt == 'system'
2734        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2735     elif have_internal
2736       fdt_opt = 'internal'
2737     else
2738       fdt_opt = 'disabled'
2739       fdt = not_found
2740     endif
2741   endif
2742   if fdt_opt == 'internal'
2743     fdt_files = files(
2744       'dtc/libfdt/fdt.c',
2745       'dtc/libfdt/fdt_ro.c',
2746       'dtc/libfdt/fdt_wip.c',
2747       'dtc/libfdt/fdt_sw.c',
2748       'dtc/libfdt/fdt_rw.c',
2749       'dtc/libfdt/fdt_strerror.c',
2750       'dtc/libfdt/fdt_empty_tree.c',
2751       'dtc/libfdt/fdt_addresses.c',
2752       'dtc/libfdt/fdt_overlay.c',
2753       'dtc/libfdt/fdt_check.c',
2754     )
2755
2756     fdt_inc = include_directories('dtc/libfdt')
2757     libfdt = static_library('fdt',
2758                             build_by_default: false,
2759                             sources: fdt_files,
2760                             include_directories: fdt_inc)
2761     fdt = declare_dependency(link_with: libfdt,
2762                              include_directories: fdt_inc)
2763   endif
2764 else
2765   fdt_opt = 'disabled'
2766 endif
2767 if not fdt.found() and fdt_required.length() > 0
2768   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2769 endif
2770
2771 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2772 config_host_data.set('CONFIG_FDT', fdt.found())
2773 config_host_data.set('CONFIG_SLIRP', slirp.found())
2774
2775 #####################
2776 # Generated sources #
2777 #####################
2778
2779 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2780
2781 hxtool = find_program('scripts/hxtool')
2782 shaderinclude = find_program('scripts/shaderinclude.pl')
2783 qapi_gen = find_program('scripts/qapi-gen.py')
2784 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2785                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2786                      meson.current_source_dir() / 'scripts/qapi/common.py',
2787                      meson.current_source_dir() / 'scripts/qapi/error.py',
2788                      meson.current_source_dir() / 'scripts/qapi/events.py',
2789                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2790                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2791                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2792                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2793                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2794                      meson.current_source_dir() / 'scripts/qapi/source.py',
2795                      meson.current_source_dir() / 'scripts/qapi/types.py',
2796                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2797                      meson.current_source_dir() / 'scripts/qapi/common.py',
2798                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2799 ]
2800
2801 tracetool = [
2802   python, files('scripts/tracetool.py'),
2803    '--backend=' + ','.join(get_option('trace_backends'))
2804 ]
2805 tracetool_depends = files(
2806   'scripts/tracetool/backend/log.py',
2807   'scripts/tracetool/backend/__init__.py',
2808   'scripts/tracetool/backend/dtrace.py',
2809   'scripts/tracetool/backend/ftrace.py',
2810   'scripts/tracetool/backend/simple.py',
2811   'scripts/tracetool/backend/syslog.py',
2812   'scripts/tracetool/backend/ust.py',
2813   'scripts/tracetool/format/ust_events_c.py',
2814   'scripts/tracetool/format/ust_events_h.py',
2815   'scripts/tracetool/format/__init__.py',
2816   'scripts/tracetool/format/d.py',
2817   'scripts/tracetool/format/simpletrace_stap.py',
2818   'scripts/tracetool/format/c.py',
2819   'scripts/tracetool/format/h.py',
2820   'scripts/tracetool/format/log_stap.py',
2821   'scripts/tracetool/format/stap.py',
2822   'scripts/tracetool/__init__.py',
2823   'scripts/tracetool/transform.py',
2824   'scripts/tracetool/vcpu.py'
2825 )
2826
2827 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2828                     meson.current_source_dir(),
2829                     get_option('pkgversion'), meson.project_version()]
2830 qemu_version = custom_target('qemu-version.h',
2831                              output: 'qemu-version.h',
2832                              command: qemu_version_cmd,
2833                              capture: true,
2834                              build_by_default: true,
2835                              build_always_stale: true)
2836 genh += qemu_version
2837
2838 hxdep = []
2839 hx_headers = [
2840   ['qemu-options.hx', 'qemu-options.def'],
2841   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2842 ]
2843 if have_system
2844   hx_headers += [
2845     ['hmp-commands.hx', 'hmp-commands.h'],
2846     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2847   ]
2848 endif
2849 foreach d : hx_headers
2850   hxdep += custom_target(d[1],
2851                 input: files(d[0]),
2852                 output: d[1],
2853                 capture: true,
2854                 build_by_default: true, # to be removed when added to a target
2855                 command: [hxtool, '-h', '@INPUT0@'])
2856 endforeach
2857 genh += hxdep
2858
2859 ###################
2860 # Collect sources #
2861 ###################
2862
2863 authz_ss = ss.source_set()
2864 blockdev_ss = ss.source_set()
2865 block_ss = ss.source_set()
2866 chardev_ss = ss.source_set()
2867 common_ss = ss.source_set()
2868 crypto_ss = ss.source_set()
2869 hwcore_ss = ss.source_set()
2870 io_ss = ss.source_set()
2871 qmp_ss = ss.source_set()
2872 qom_ss = ss.source_set()
2873 softmmu_ss = ss.source_set()
2874 specific_fuzz_ss = ss.source_set()
2875 specific_ss = ss.source_set()
2876 stub_ss = ss.source_set()
2877 trace_ss = ss.source_set()
2878 user_ss = ss.source_set()
2879 util_ss = ss.source_set()
2880
2881 # accel modules
2882 qtest_module_ss = ss.source_set()
2883 tcg_module_ss = ss.source_set()
2884
2885 modules = {}
2886 target_modules = {}
2887 hw_arch = {}
2888 target_arch = {}
2889 target_softmmu_arch = {}
2890 target_user_arch = {}
2891
2892 ###############
2893 # Trace files #
2894 ###############
2895
2896 # TODO: add each directory to the subdirs from its own meson.build, once
2897 # we have those
2898 trace_events_subdirs = [
2899   'crypto',
2900   'qapi',
2901   'qom',
2902   'monitor',
2903   'util',
2904   'gdbstub',
2905 ]
2906 if have_linux_user
2907   trace_events_subdirs += [ 'linux-user' ]
2908 endif
2909 if have_bsd_user
2910   trace_events_subdirs += [ 'bsd-user' ]
2911 endif
2912 if have_block
2913   trace_events_subdirs += [
2914     'authz',
2915     'block',
2916     'io',
2917     'nbd',
2918     'scsi',
2919   ]
2920 endif
2921 if have_system
2922   trace_events_subdirs += [
2923     'accel/kvm',
2924     'audio',
2925     'backends',
2926     'backends/tpm',
2927     'chardev',
2928     'ebpf',
2929     'hw/9pfs',
2930     'hw/acpi',
2931     'hw/adc',
2932     'hw/alpha',
2933     'hw/arm',
2934     'hw/audio',
2935     'hw/block',
2936     'hw/block/dataplane',
2937     'hw/char',
2938     'hw/display',
2939     'hw/dma',
2940     'hw/hyperv',
2941     'hw/i2c',
2942     'hw/i386',
2943     'hw/i386/xen',
2944     'hw/ide',
2945     'hw/input',
2946     'hw/intc',
2947     'hw/isa',
2948     'hw/mem',
2949     'hw/mips',
2950     'hw/misc',
2951     'hw/misc/macio',
2952     'hw/net',
2953     'hw/net/can',
2954     'hw/nubus',
2955     'hw/nvme',
2956     'hw/nvram',
2957     'hw/pci',
2958     'hw/pci-host',
2959     'hw/ppc',
2960     'hw/rdma',
2961     'hw/rdma/vmw',
2962     'hw/rtc',
2963     'hw/s390x',
2964     'hw/scsi',
2965     'hw/sd',
2966     'hw/sh4',
2967     'hw/sparc',
2968     'hw/sparc64',
2969     'hw/ssi',
2970     'hw/timer',
2971     'hw/tpm',
2972     'hw/usb',
2973     'hw/vfio',
2974     'hw/virtio',
2975     'hw/watchdog',
2976     'hw/xen',
2977     'hw/gpio',
2978     'migration',
2979     'net',
2980     'softmmu',
2981     'ui',
2982     'hw/remote',
2983   ]
2984 endif
2985 if have_system or have_user
2986   trace_events_subdirs += [
2987     'accel/tcg',
2988     'hw/core',
2989     'target/arm',
2990     'target/arm/hvf',
2991     'target/hppa',
2992     'target/i386',
2993     'target/i386/kvm',
2994     'target/mips/tcg',
2995     'target/nios2',
2996     'target/ppc',
2997     'target/riscv',
2998     'target/s390x',
2999     'target/s390x/kvm',
3000     'target/sparc',
3001   ]
3002 endif
3003
3004 vhost_user = not_found
3005 if targetos == 'linux' and have_vhost_user
3006   libvhost_user = subproject('libvhost-user')
3007   vhost_user = libvhost_user.get_variable('vhost_user_dep')
3008 endif
3009
3010 libvduse = not_found
3011 if have_libvduse
3012   libvduse_proj = subproject('libvduse')
3013   libvduse = libvduse_proj.get_variable('libvduse_dep')
3014 endif
3015
3016 # NOTE: the trace/ subdirectory needs the qapi_trace_events variable
3017 # that is filled in by qapi/.
3018 subdir('qapi')
3019 subdir('qobject')
3020 subdir('stubs')
3021 subdir('trace')
3022 subdir('util')
3023 subdir('qom')
3024 subdir('authz')
3025 subdir('crypto')
3026 subdir('ui')
3027 subdir('hw')
3028 subdir('gdbstub')
3029
3030
3031 if enable_modules
3032   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
3033   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
3034 endif
3035
3036 qom_ss = qom_ss.apply(config_host, strict: false)
3037 libqom = static_library('qom', qom_ss.sources() + genh,
3038                         dependencies: [qom_ss.dependencies()],
3039                         name_suffix: 'fa')
3040 qom = declare_dependency(link_whole: libqom)
3041
3042 event_loop_base = files('event-loop-base.c')
3043 event_loop_base = static_library('event-loop-base', sources: event_loop_base + genh,
3044                                  build_by_default: true)
3045 event_loop_base = declare_dependency(link_whole: event_loop_base,
3046                                      dependencies: [qom])
3047
3048 stub_ss = stub_ss.apply(config_all, strict: false)
3049
3050 util_ss.add_all(trace_ss)
3051 util_ss = util_ss.apply(config_all, strict: false)
3052 libqemuutil = static_library('qemuutil',
3053                              sources: util_ss.sources() + stub_ss.sources() + genh,
3054                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
3055 qemuutil = declare_dependency(link_with: libqemuutil,
3056                               sources: genh + version_res,
3057                               dependencies: [event_loop_base])
3058
3059 if have_system or have_user
3060   decodetree = generator(find_program('scripts/decodetree.py'),
3061                          output: 'decode-@BASENAME@.c.inc',
3062                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
3063   subdir('libdecnumber')
3064   subdir('target')
3065 endif
3066
3067 subdir('audio')
3068 subdir('io')
3069 subdir('chardev')
3070 subdir('fsdev')
3071 subdir('dump')
3072
3073 if have_block
3074   block_ss.add(files(
3075     'block.c',
3076     'blockjob.c',
3077     'job.c',
3078     'qemu-io-cmds.c',
3079   ))
3080   if config_host_data.get('CONFIG_REPLICATION')
3081     block_ss.add(files('replication.c'))
3082   endif
3083
3084   subdir('nbd')
3085   subdir('scsi')
3086   subdir('block')
3087
3088   blockdev_ss.add(files(
3089     'blockdev.c',
3090     'blockdev-nbd.c',
3091     'iothread.c',
3092     'job-qmp.c',
3093   ), gnutls)
3094
3095   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
3096   # os-win32.c does not
3097   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
3098   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
3099 endif
3100
3101 common_ss.add(files('cpus-common.c'))
3102
3103 subdir('softmmu')
3104
3105 common_ss.add(capstone)
3106 specific_ss.add(files('cpu.c', 'disas.c'), capstone)
3107
3108 # Work around a gcc bug/misfeature wherein constant propagation looks
3109 # through an alias:
3110 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
3111 # to guess that a const variable is always zero.  Without lto, this is
3112 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
3113 # without lto, not even the alias is required -- we simply use different
3114 # declarations in different compilation units.
3115 pagevary = files('page-vary-common.c')
3116 if get_option('b_lto')
3117   pagevary_flags = ['-fno-lto']
3118   if get_option('cfi')
3119     pagevary_flags += '-fno-sanitize=cfi-icall'
3120   endif
3121   pagevary = static_library('page-vary-common', sources: pagevary + genh,
3122                             c_args: pagevary_flags)
3123   pagevary = declare_dependency(link_with: pagevary)
3124 endif
3125 common_ss.add(pagevary)
3126 specific_ss.add(files('page-vary.c'))
3127
3128 subdir('backends')
3129 subdir('disas')
3130 subdir('migration')
3131 subdir('monitor')
3132 subdir('net')
3133 subdir('replay')
3134 subdir('semihosting')
3135 subdir('tcg')
3136 subdir('fpu')
3137 subdir('accel')
3138 subdir('plugins')
3139 subdir('ebpf')
3140
3141 common_user_inc = []
3142
3143 subdir('common-user')
3144 subdir('bsd-user')
3145 subdir('linux-user')
3146
3147 # needed for fuzzing binaries
3148 subdir('tests/qtest/libqos')
3149 subdir('tests/qtest/fuzz')
3150
3151 # accel modules
3152 tcg_real_module_ss = ss.source_set()
3153 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
3154 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
3155 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
3156                                 'tcg': tcg_real_module_ss }}
3157
3158 ########################
3159 # Library dependencies #
3160 ########################
3161
3162 modinfo_collect = find_program('scripts/modinfo-collect.py')
3163 modinfo_generate = find_program('scripts/modinfo-generate.py')
3164 modinfo_files = []
3165
3166 block_mods = []
3167 softmmu_mods = []
3168 foreach d, list : modules
3169   foreach m, module_ss : list
3170     if enable_modules and targetos != 'windows'
3171       module_ss = module_ss.apply(config_all, strict: false)
3172       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
3173                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
3174       if d == 'block'
3175         block_mods += sl
3176       else
3177         softmmu_mods += sl
3178       endif
3179       if module_ss.sources() != []
3180         # FIXME: Should use sl.extract_all_objects(recursive: true) as
3181         # input. Sources can be used multiple times but objects are
3182         # unique when it comes to lookup in compile_commands.json.
3183         # Depnds on a mesion version with
3184         # https://github.com/mesonbuild/meson/pull/8900
3185         modinfo_files += custom_target(d + '-' + m + '.modinfo',
3186                                        output: d + '-' + m + '.modinfo',
3187                                        input: module_ss.sources() + genh,
3188                                        capture: true,
3189                                        command: [modinfo_collect, module_ss.sources()])
3190       endif
3191     else
3192       if d == 'block'
3193         block_ss.add_all(module_ss)
3194       else
3195         softmmu_ss.add_all(module_ss)
3196       endif
3197     endif
3198   endforeach
3199 endforeach
3200
3201 foreach d, list : target_modules
3202   foreach m, module_ss : list
3203     if enable_modules and targetos != 'windows'
3204       foreach target : target_dirs
3205         if target.endswith('-softmmu')
3206           config_target = config_target_mak[target]
3207           config_target += config_host
3208           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3209           c_args = ['-DNEED_CPU_H',
3210                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3211                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3212           target_module_ss = module_ss.apply(config_target, strict: false)
3213           if target_module_ss.sources() != []
3214             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
3215             sl = static_library(module_name,
3216                                 [genh, target_module_ss.sources()],
3217                                 dependencies: [modulecommon, target_module_ss.dependencies()],
3218                                 include_directories: target_inc,
3219                                 c_args: c_args,
3220                                 pic: true)
3221             softmmu_mods += sl
3222             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
3223             modinfo_files += custom_target(module_name + '.modinfo',
3224                                            output: module_name + '.modinfo',
3225                                            input: target_module_ss.sources() + genh,
3226                                            capture: true,
3227                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
3228           endif
3229         endif
3230       endforeach
3231     else
3232       specific_ss.add_all(module_ss)
3233     endif
3234   endforeach
3235 endforeach
3236
3237 if enable_modules
3238   foreach target : target_dirs
3239     if target.endswith('-softmmu')
3240       config_target = config_target_mak[target]
3241       config_devices_mak = target + '-config-devices.mak'
3242       modinfo_src = custom_target('modinfo-' + target + '.c',
3243                                   output: 'modinfo-' + target + '.c',
3244                                   input: modinfo_files,
3245                                   command: [modinfo_generate, '--devices', config_devices_mak, '@INPUT@'],
3246                                   capture: true)
3247
3248       modinfo_lib = static_library('modinfo-' + target + '.c', modinfo_src)
3249       modinfo_dep = declare_dependency(link_with: modinfo_lib)
3250
3251       arch = config_target['TARGET_NAME'] == 'sparc64' ? 'sparc64' : config_target['TARGET_BASE_ARCH']
3252       hw_arch[arch].add(modinfo_dep)
3253     endif
3254   endforeach
3255 endif
3256
3257 nm = find_program('nm')
3258 undefsym = find_program('scripts/undefsym.py')
3259 block_syms = custom_target('block.syms', output: 'block.syms',
3260                              input: [libqemuutil, block_mods],
3261                              capture: true,
3262                              command: [undefsym, nm, '@INPUT@'])
3263 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
3264                              input: [libqemuutil, softmmu_mods],
3265                              capture: true,
3266                              command: [undefsym, nm, '@INPUT@'])
3267
3268 authz_ss = authz_ss.apply(config_host, strict: false)
3269 libauthz = static_library('authz', authz_ss.sources() + genh,
3270                           dependencies: [authz_ss.dependencies()],
3271                           name_suffix: 'fa',
3272                           build_by_default: false)
3273
3274 authz = declare_dependency(link_whole: libauthz,
3275                            dependencies: qom)
3276
3277 crypto_ss = crypto_ss.apply(config_host, strict: false)
3278 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
3279                            dependencies: [crypto_ss.dependencies()],
3280                            name_suffix: 'fa',
3281                            build_by_default: false)
3282
3283 crypto = declare_dependency(link_whole: libcrypto,
3284                             dependencies: [authz, qom])
3285
3286 io_ss = io_ss.apply(config_host, strict: false)
3287 libio = static_library('io', io_ss.sources() + genh,
3288                        dependencies: [io_ss.dependencies()],
3289                        link_with: libqemuutil,
3290                        name_suffix: 'fa',
3291                        build_by_default: false)
3292
3293 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
3294
3295 libmigration = static_library('migration', sources: migration_files + genh,
3296                               name_suffix: 'fa',
3297                               build_by_default: false)
3298 migration = declare_dependency(link_with: libmigration,
3299                                dependencies: [zlib, qom, io])
3300 softmmu_ss.add(migration)
3301
3302 block_ss = block_ss.apply(config_host, strict: false)
3303 libblock = static_library('block', block_ss.sources() + genh,
3304                           dependencies: block_ss.dependencies(),
3305                           link_depends: block_syms,
3306                           name_suffix: 'fa',
3307                           build_by_default: false)
3308
3309 block = declare_dependency(link_whole: [libblock],
3310                            link_args: '@block.syms',
3311                            dependencies: [crypto, io])
3312
3313 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
3314 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
3315                              dependencies: blockdev_ss.dependencies(),
3316                              name_suffix: 'fa',
3317                              build_by_default: false)
3318
3319 blockdev = declare_dependency(link_whole: [libblockdev],
3320                               dependencies: [block, event_loop_base])
3321
3322 qmp_ss = qmp_ss.apply(config_host, strict: false)
3323 libqmp = static_library('qmp', qmp_ss.sources() + genh,
3324                         dependencies: qmp_ss.dependencies(),
3325                         name_suffix: 'fa',
3326                         build_by_default: false)
3327
3328 qmp = declare_dependency(link_whole: [libqmp])
3329
3330 libchardev = static_library('chardev', chardev_ss.sources() + genh,
3331                             name_suffix: 'fa',
3332                             dependencies: chardev_ss.dependencies(),
3333                             build_by_default: false)
3334
3335 chardev = declare_dependency(link_whole: libchardev)
3336
3337 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
3338 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
3339                            name_suffix: 'fa',
3340                            build_by_default: false)
3341 hwcore = declare_dependency(link_whole: libhwcore)
3342 common_ss.add(hwcore)
3343
3344 ###########
3345 # Targets #
3346 ###########
3347
3348 emulator_modules = []
3349 foreach m : block_mods + softmmu_mods
3350   emulator_modules += shared_module(m.name(),
3351                 build_by_default: true,
3352                 name_prefix: '',
3353                 link_whole: m,
3354                 install: true,
3355                 install_dir: qemu_moddir)
3356 endforeach
3357 if emulator_modules.length() > 0
3358   alias_target('modules', emulator_modules)
3359 endif
3360
3361 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
3362 common_ss.add(qom, qemuutil)
3363
3364 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
3365 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
3366
3367 common_all = common_ss.apply(config_all, strict: false)
3368 common_all = static_library('common',
3369                             build_by_default: false,
3370                             sources: common_all.sources() + genh,
3371                             include_directories: common_user_inc,
3372                             implicit_include_directories: false,
3373                             dependencies: common_all.dependencies(),
3374                             name_suffix: 'fa')
3375
3376 feature_to_c = find_program('scripts/feature_to_c.sh')
3377
3378 if targetos == 'darwin'
3379   entitlement = find_program('scripts/entitlement.sh')
3380 endif
3381
3382 emulators = {}
3383 foreach target : target_dirs
3384   config_target = config_target_mak[target]
3385   target_name = config_target['TARGET_NAME']
3386   target_base_arch = config_target['TARGET_BASE_ARCH']
3387   arch_srcs = [config_target_h[target]]
3388   arch_deps = []
3389   c_args = ['-DNEED_CPU_H',
3390             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
3391             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
3392   link_args = emulator_link_args
3393
3394   config_target += config_host
3395   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
3396   if targetos == 'linux'
3397     target_inc += include_directories('linux-headers', is_system: true)
3398   endif
3399   if target.endswith('-softmmu')
3400     target_type='system'
3401     t = target_softmmu_arch[target_base_arch].apply(config_target, strict: false)
3402     arch_srcs += t.sources()
3403     arch_deps += t.dependencies()
3404
3405     hw_dir = target_name == 'sparc64' ? 'sparc64' : target_base_arch
3406     hw = hw_arch[hw_dir].apply(config_target, strict: false)
3407     arch_srcs += hw.sources()
3408     arch_deps += hw.dependencies()
3409
3410     arch_srcs += config_devices_h[target]
3411     link_args += ['@block.syms', '@qemu.syms']
3412   else
3413     abi = config_target['TARGET_ABI_DIR']
3414     target_type='user'
3415     target_inc += common_user_inc
3416     if target_base_arch in target_user_arch
3417       t = target_user_arch[target_base_arch].apply(config_target, strict: false)
3418       arch_srcs += t.sources()
3419       arch_deps += t.dependencies()
3420     endif
3421     if 'CONFIG_LINUX_USER' in config_target
3422       base_dir = 'linux-user'
3423     endif
3424     if 'CONFIG_BSD_USER' in config_target
3425       base_dir = 'bsd-user'
3426       target_inc += include_directories('bsd-user/' / targetos)
3427       target_inc += include_directories('bsd-user/host/' / host_arch)
3428       dir = base_dir / abi
3429       arch_srcs += files(dir / 'signal.c', dir / 'target_arch_cpu.c')
3430     endif
3431     target_inc += include_directories(
3432       base_dir,
3433       base_dir / abi,
3434     )
3435     if 'CONFIG_LINUX_USER' in config_target
3436       dir = base_dir / abi
3437       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
3438       if config_target.has_key('TARGET_SYSTBL_ABI')
3439         arch_srcs += \
3440           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
3441                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
3442       endif
3443     endif
3444   endif
3445
3446   if 'TARGET_XML_FILES' in config_target
3447     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
3448                                 output: target + '-gdbstub-xml.c',
3449                                 input: files(config_target['TARGET_XML_FILES'].split()),
3450                                 command: [feature_to_c, '@INPUT@'],
3451                                 capture: true)
3452     arch_srcs += gdbstub_xml
3453   endif
3454
3455   t = target_arch[target_base_arch].apply(config_target, strict: false)
3456   arch_srcs += t.sources()
3457   arch_deps += t.dependencies()
3458
3459   target_common = common_ss.apply(config_target, strict: false)
3460   objects = common_all.extract_objects(target_common.sources())
3461   deps = target_common.dependencies()
3462
3463   target_specific = specific_ss.apply(config_target, strict: false)
3464   arch_srcs += target_specific.sources()
3465   arch_deps += target_specific.dependencies()
3466
3467   lib = static_library('qemu-' + target,
3468                  sources: arch_srcs + genh,
3469                  dependencies: arch_deps,
3470                  objects: objects,
3471                  include_directories: target_inc,
3472                  c_args: c_args,
3473                  build_by_default: false,
3474                  name_suffix: 'fa')
3475
3476   if target.endswith('-softmmu')
3477     execs = [{
3478       'name': 'qemu-system-' + target_name,
3479       'win_subsystem': 'console',
3480       'sources': files('softmmu/main.c'),
3481       'dependencies': []
3482     }]
3483     if targetos == 'windows' and (sdl.found() or gtk.found())
3484       execs += [{
3485         'name': 'qemu-system-' + target_name + 'w',
3486         'win_subsystem': 'windows',
3487         'sources': files('softmmu/main.c'),
3488         'dependencies': []
3489       }]
3490     endif
3491     if get_option('fuzzing')
3492       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
3493       execs += [{
3494         'name': 'qemu-fuzz-' + target_name,
3495         'win_subsystem': 'console',
3496         'sources': specific_fuzz.sources(),
3497         'dependencies': specific_fuzz.dependencies(),
3498       }]
3499     endif
3500   else
3501     execs = [{
3502       'name': 'qemu-' + target_name,
3503       'win_subsystem': 'console',
3504       'sources': [],
3505       'dependencies': []
3506     }]
3507   endif
3508   foreach exe: execs
3509     exe_name = exe['name']
3510     if targetos == 'darwin'
3511       exe_name += '-unsigned'
3512     endif
3513
3514     emulator = executable(exe_name, exe['sources'],
3515                install: true,
3516                c_args: c_args,
3517                dependencies: arch_deps + deps + exe['dependencies'],
3518                objects: lib.extract_all_objects(recursive: true),
3519                link_language: link_language,
3520                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
3521                link_args: link_args,
3522                win_subsystem: exe['win_subsystem'])
3523
3524     if targetos == 'darwin'
3525       icon = 'pc-bios/qemu.rsrc'
3526       build_input = [emulator, files(icon)]
3527       install_input = [
3528         get_option('bindir') / exe_name,
3529         meson.current_source_dir() / icon
3530       ]
3531       if 'CONFIG_HVF' in config_target
3532         entitlements = 'accel/hvf/entitlements.plist'
3533         build_input += files(entitlements)
3534         install_input += meson.current_source_dir() / entitlements
3535       endif
3536
3537       emulators += {exe['name'] : custom_target(exe['name'],
3538                    input: build_input,
3539                    output: exe['name'],
3540                    command: [entitlement, '@OUTPUT@', '@INPUT@'])
3541       }
3542
3543       meson.add_install_script(entitlement, '--install',
3544                                get_option('bindir') / exe['name'],
3545                                install_input)
3546     else
3547       emulators += {exe['name']: emulator}
3548     endif
3549
3550     if stap.found()
3551       foreach stp: [
3552         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3553         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3554         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3555         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3556       ]
3557         custom_target(exe['name'] + stp['ext'],
3558                       input: trace_events_all,
3559                       output: exe['name'] + stp['ext'],
3560                       install: stp['install'],
3561                       install_dir: get_option('datadir') / 'systemtap/tapset',
3562                       command: [
3563                         tracetool, '--group=all', '--format=' + stp['fmt'],
3564                         '--binary=' + stp['bin'],
3565                         '--target-name=' + target_name,
3566                         '--target-type=' + target_type,
3567                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3568                         '@INPUT@', '@OUTPUT@'
3569                       ],
3570                       depend_files: tracetool_depends)
3571       endforeach
3572     endif
3573   endforeach
3574 endforeach
3575
3576 # Other build targets
3577
3578 if 'CONFIG_PLUGIN' in config_host
3579   install_headers('include/qemu/qemu-plugin.h')
3580 endif
3581
3582 subdir('qga')
3583
3584 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3585 # when we don't build tools or system
3586 if xkbcommon.found()
3587   # used for the update-keymaps target, so include rules even if !have_tools
3588   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3589                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3590 endif
3591
3592 if have_tools
3593   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3594              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3595   qemu_io = executable('qemu-io', files('qemu-io.c'),
3596              dependencies: [block, qemuutil], install: true)
3597   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3598                dependencies: [blockdev, qemuutil, gnutls, selinux],
3599                install: true)
3600
3601   subdir('storage-daemon')
3602   subdir('contrib/rdmacm-mux')
3603   subdir('contrib/elf2dmp')
3604
3605   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3606              dependencies: qemuutil,
3607              install: true)
3608
3609   if have_vhost_user
3610     subdir('contrib/vhost-user-blk')
3611     subdir('contrib/vhost-user-gpu')
3612     subdir('contrib/vhost-user-input')
3613     subdir('contrib/vhost-user-scsi')
3614   endif
3615
3616   if targetos == 'linux'
3617     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3618                dependencies: [qemuutil, libcap_ng],
3619                install: true,
3620                install_dir: get_option('libexecdir'))
3621
3622     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3623                dependencies: [authz, crypto, io, qom, qemuutil,
3624                               libcap_ng, mpathpersist],
3625                install: true)
3626   endif
3627
3628   if have_ivshmem
3629     subdir('contrib/ivshmem-client')
3630     subdir('contrib/ivshmem-server')
3631   endif
3632 endif
3633
3634 subdir('scripts')
3635 subdir('tools')
3636 subdir('pc-bios')
3637 subdir('docs')
3638 subdir('tests')
3639 if gtk.found()
3640   subdir('po')
3641 endif
3642
3643 if host_machine.system() == 'windows'
3644   nsis_cmd = [
3645     find_program('scripts/nsis.py'),
3646     '@OUTPUT@',
3647     get_option('prefix'),
3648     meson.current_source_dir(),
3649     config_host['GLIB_BINDIR'],
3650     host_machine.cpu(),
3651     '--',
3652     '-DDISPLAYVERSION=' + meson.project_version(),
3653   ]
3654   if build_docs
3655     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3656   endif
3657   if gtk.found()
3658     nsis_cmd += '-DCONFIG_GTK=y'
3659   endif
3660
3661   nsis = custom_target('nsis',
3662                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3663                        input: files('qemu.nsi'),
3664                        build_always_stale: true,
3665                        command: nsis_cmd + ['@INPUT@'])
3666   alias_target('installer', nsis)
3667 endif
3668
3669 #########################
3670 # Configuration summary #
3671 #########################
3672
3673 # Directories
3674 summary_info = {}
3675 summary_info += {'Install prefix':    get_option('prefix')}
3676 summary_info += {'BIOS directory':    qemu_datadir}
3677 pathsep = targetos == 'windows' ? ';' : ':'
3678 summary_info += {'firmware path':     pathsep.join(get_option('qemu_firmwarepath'))}
3679 summary_info += {'binary directory':  get_option('prefix') / get_option('bindir')}
3680 summary_info += {'library directory': get_option('prefix') / get_option('libdir')}
3681 summary_info += {'module directory':  qemu_moddir}
3682 summary_info += {'libexec directory': get_option('prefix') / get_option('libexecdir')}
3683 summary_info += {'include directory': get_option('prefix') / get_option('includedir')}
3684 summary_info += {'config directory':  get_option('prefix') / get_option('sysconfdir')}
3685 if targetos != 'windows'
3686   summary_info += {'local state directory': get_option('prefix') / get_option('localstatedir')}
3687   summary_info += {'Manual directory':      get_option('prefix') / get_option('mandir')}
3688 else
3689   summary_info += {'local state directory': 'queried at runtime'}
3690 endif
3691 summary_info += {'Doc directory':     get_option('prefix') / get_option('docdir')}
3692 summary_info += {'Build directory':   meson.current_build_dir()}
3693 summary_info += {'Source path':       meson.current_source_dir()}
3694 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3695 summary(summary_info, bool_yn: true, section: 'Directories')
3696
3697 # Host binaries
3698 summary_info = {}
3699 summary_info += {'git':               config_host['GIT']}
3700 summary_info += {'make':              config_host['MAKE']}
3701 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3702 summary_info += {'sphinx-build':      sphinx_build}
3703 if config_host.has_key('HAVE_GDB_BIN')
3704   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3705 endif
3706 summary_info += {'iasl':              iasl}
3707 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3708 if targetos == 'windows' and have_ga
3709   summary_info += {'wixl':            wixl}
3710 endif
3711 if slirp.found() and have_system
3712   summary_info += {'smbd':            have_slirp_smbd ? smbd_path : false}
3713 endif
3714 summary(summary_info, bool_yn: true, section: 'Host binaries')
3715
3716 # Configurable features
3717 summary_info = {}
3718 summary_info += {'Documentation':     build_docs}
3719 summary_info += {'system-mode emulation': have_system}
3720 summary_info += {'user-mode emulation': have_user}
3721 summary_info += {'block layer':       have_block}
3722 summary_info += {'Install blobs':     get_option('install_blobs')}
3723 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3724 if config_host.has_key('CONFIG_MODULES')
3725   summary_info += {'alternative module path': get_option('module_upgrades')}
3726 endif
3727 summary_info += {'fuzzing support':   get_option('fuzzing')}
3728 if have_system
3729   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3730 endif
3731 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3732 if 'simple' in get_option('trace_backends')
3733   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3734 endif
3735 summary_info += {'D-Bus display':     dbus_display}
3736 summary_info += {'QOM debugging':     get_option('qom_cast_debug')}
3737 summary_info += {'vhost-kernel support': have_vhost_kernel}
3738 summary_info += {'vhost-net support': have_vhost_net}
3739 summary_info += {'vhost-user support': have_vhost_user}
3740 summary_info += {'vhost-user-crypto support': have_vhost_user_crypto}
3741 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3742 summary_info += {'vhost-vdpa support': have_vhost_vdpa}
3743 summary_info += {'build guest agent': have_ga}
3744 summary(summary_info, bool_yn: true, section: 'Configurable features')
3745
3746 # Compilation information
3747 summary_info = {}
3748 summary_info += {'host CPU':          cpu}
3749 summary_info += {'host endianness':   build_machine.endian()}
3750 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3751 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3752 if link_language == 'cpp'
3753   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3754 else
3755   summary_info += {'C++ compiler':      false}
3756 endif
3757 if targetos == 'darwin'
3758   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3759 endif
3760 option_cflags = (get_option('debug') ? ['-g'] : [])
3761 if get_option('optimization') != 'plain'
3762   option_cflags += ['-O' + get_option('optimization')]
3763 endif
3764 summary_info += {'CFLAGS':            ' '.join(get_option('c_args') + option_cflags)}
3765 if link_language == 'cpp'
3766   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args') + option_cflags)}
3767 endif
3768 if targetos == 'darwin'
3769   summary_info += {'OBJCFLAGS':       ' '.join(get_option('objc_args') + option_cflags)}
3770 endif
3771 link_args = get_option(link_language + '_link_args')
3772 if link_args.length() > 0
3773   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3774 endif
3775 summary_info += {'QEMU_CFLAGS':       ' '.join(qemu_cflags)}
3776 if 'cpp' in all_languages
3777   summary_info += {'QEMU_CXXFLAGS':     ' '.join(qemu_cxxflags)}
3778 endif
3779 if 'objc' in all_languages
3780   summary_info += {'QEMU_OBJCFLAGS':    ' '.join(qemu_objcflags)}
3781 endif
3782 summary_info += {'QEMU_LDFLAGS':      ' '.join(qemu_ldflags)}
3783 summary_info += {'profiler':          get_option('profiler')}
3784 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3785 summary_info += {'PIE':               get_option('b_pie')}
3786 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3787 summary_info += {'malloc trim support': has_malloc_trim}
3788 summary_info += {'membarrier':        have_membarrier}
3789 summary_info += {'debug stack usage': get_option('debug_stack_usage')}
3790 summary_info += {'mutex debugging':   get_option('debug_mutex')}
3791 summary_info += {'memory allocator':  get_option('malloc')}
3792 summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')}
3793 summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')}
3794 summary_info += {'gprof enabled':     get_option('gprof')}
3795 summary_info += {'gcov':              get_option('b_coverage')}
3796 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3797 summary_info += {'CFI support':       get_option('cfi')}
3798 if get_option('cfi')
3799   summary_info += {'CFI debug support': get_option('cfi_debug')}
3800 endif
3801 summary_info += {'strip binaries':    get_option('strip')}
3802 summary_info += {'sparse':            sparse}
3803 summary_info += {'mingw32 support':   targetos == 'windows'}
3804 summary(summary_info, bool_yn: true, section: 'Compilation')
3805
3806 # snarf the cross-compilation information for tests
3807 summary_info = {}
3808 have_cross = false
3809 foreach target: target_dirs
3810   tcg_mak = meson.current_build_dir() / 'tests/tcg' / target / 'config-target.mak'
3811   if fs.exists(tcg_mak)
3812     config_cross_tcg = keyval.load(tcg_mak)
3813     if 'CC' in config_cross_tcg
3814       summary_info += {config_cross_tcg['TARGET_NAME']: config_cross_tcg['CC']}
3815       have_cross = true
3816     endif
3817   endif
3818 endforeach
3819 if have_cross
3820   summary(summary_info, bool_yn: true, section: 'Cross compilers')
3821 endif
3822
3823 # Targets and accelerators
3824 summary_info = {}
3825 if have_system
3826   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3827   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3828   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3829   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3830   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3831   summary_info += {'Xen support':       xen.found()}
3832   if xen.found()
3833     summary_info += {'xen ctrl version':  xen.version()}
3834   endif
3835 endif
3836 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3837 if config_all.has_key('CONFIG_TCG')
3838   if get_option('tcg_interpreter')
3839     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, slow)'}
3840   else
3841     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3842   endif
3843   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3844   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3845 endif
3846 summary_info += {'target list':       ' '.join(target_dirs)}
3847 if have_system
3848   summary_info += {'default devices':   get_option('default_devices')}
3849   summary_info += {'out of process emulation': multiprocess_allowed}
3850   summary_info += {'vfio-user server': vfio_user_server_allowed}
3851 endif
3852 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3853
3854 # Block layer
3855 summary_info = {}
3856 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3857 summary_info += {'coroutine pool':    have_coroutine_pool}
3858 if have_block
3859   summary_info += {'Block whitelist (rw)': get_option('block_drv_rw_whitelist')}
3860   summary_info += {'Block whitelist (ro)': get_option('block_drv_ro_whitelist')}
3861   summary_info += {'Use block whitelist in tools': get_option('block_drv_whitelist_in_tools')}
3862   summary_info += {'VirtFS support':    have_virtfs}
3863   summary_info += {'build virtiofs daemon': have_virtiofsd}
3864   summary_info += {'Live block migration': config_host_data.get('CONFIG_LIVE_BLOCK_MIGRATION')}
3865   summary_info += {'replication support': config_host_data.get('CONFIG_REPLICATION')}
3866   summary_info += {'bochs support':     get_option('bochs').allowed()}
3867   summary_info += {'cloop support':     get_option('cloop').allowed()}
3868   summary_info += {'dmg support':       get_option('dmg').allowed()}
3869   summary_info += {'qcow v1 support':   get_option('qcow1').allowed()}
3870   summary_info += {'vdi support':       get_option('vdi').allowed()}
3871   summary_info += {'vvfat support':     get_option('vvfat').allowed()}
3872   summary_info += {'qed support':       get_option('qed').allowed()}
3873   summary_info += {'parallels support': get_option('parallels').allowed()}
3874   summary_info += {'FUSE exports':      fuse}
3875   summary_info += {'VDUSE block exports': have_vduse_blk_export}
3876 endif
3877 summary(summary_info, bool_yn: true, section: 'Block layer support')
3878
3879 # Crypto
3880 summary_info = {}
3881 summary_info += {'TLS priority':      get_option('tls_priority')}
3882 summary_info += {'GNUTLS support':    gnutls}
3883 if gnutls.found()
3884   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3885 endif
3886 summary_info += {'libgcrypt':         gcrypt}
3887 summary_info += {'nettle':            nettle}
3888 if nettle.found()
3889    summary_info += {'  XTS':             xts != 'private'}
3890 endif
3891 summary_info += {'AF_ALG support':    have_afalg}
3892 summary_info += {'rng-none':          get_option('rng_none')}
3893 summary_info += {'Linux keyring':     have_keyring}
3894 summary(summary_info, bool_yn: true, section: 'Crypto')
3895
3896 # Libraries
3897 summary_info = {}
3898 if targetos == 'darwin'
3899   summary_info += {'Cocoa support':           cocoa}
3900   summary_info += {'vmnet.framework support': vmnet}
3901 endif
3902 summary_info += {'SDL support':       sdl}
3903 summary_info += {'SDL image support': sdl_image}
3904 summary_info += {'GTK support':       gtk}
3905 summary_info += {'pixman':            pixman}
3906 summary_info += {'VTE support':       vte}
3907 summary_info += {'slirp support':     slirp}
3908 summary_info += {'libtasn1':          tasn1}
3909 summary_info += {'PAM':               pam}
3910 summary_info += {'iconv support':     iconv}
3911 summary_info += {'curses support':    curses}
3912 summary_info += {'virgl support':     virgl}
3913 summary_info += {'blkio support':     blkio}
3914 summary_info += {'curl support':      curl}
3915 summary_info += {'Multipath support': mpathpersist}
3916 summary_info += {'PNG support':       png}
3917 summary_info += {'VNC support':       vnc}
3918 if vnc.found()
3919   summary_info += {'VNC SASL support':  sasl}
3920   summary_info += {'VNC JPEG support':  jpeg}
3921 endif
3922 if targetos not in ['darwin', 'haiku', 'windows']
3923   summary_info += {'OSS support':     oss}
3924   summary_info += {'sndio support':   sndio}
3925 elif targetos == 'darwin'
3926   summary_info += {'CoreAudio support': coreaudio}
3927 elif targetos == 'windows'
3928   summary_info += {'DirectSound support': dsound}
3929 endif
3930 if targetos == 'linux'
3931   summary_info += {'ALSA support':    alsa}
3932   summary_info += {'PulseAudio support': pulse}
3933 endif
3934 summary_info += {'JACK support':      jack}
3935 summary_info += {'brlapi support':    brlapi}
3936 summary_info += {'vde support':       vde}
3937 summary_info += {'netmap support':    have_netmap}
3938 summary_info += {'l2tpv3 support':    have_l2tpv3}
3939 summary_info += {'Linux AIO support': libaio}
3940 summary_info += {'Linux io_uring support': linux_io_uring}
3941 summary_info += {'ATTR/XATTR support': libattr}
3942 summary_info += {'RDMA support':      rdma}
3943 summary_info += {'PVRDMA support':    have_pvrdma}
3944 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3945 summary_info += {'libcap-ng support': libcap_ng}
3946 summary_info += {'bpf support':       libbpf}
3947 summary_info += {'spice protocol support': spice_protocol}
3948 if spice_protocol.found()
3949   summary_info += {'  spice server support': spice}
3950 endif
3951 summary_info += {'rbd support':       rbd}
3952 summary_info += {'smartcard support': cacard}
3953 summary_info += {'U2F support':       u2f}
3954 summary_info += {'libusb':            libusb}
3955 summary_info += {'usb net redir':     usbredir}
3956 summary_info += {'OpenGL support (epoxy)': opengl}
3957 summary_info += {'GBM':               gbm}
3958 summary_info += {'libiscsi support':  libiscsi}
3959 summary_info += {'libnfs support':    libnfs}
3960 if targetos == 'windows'
3961   if have_ga
3962     summary_info += {'QGA VSS support':   have_qga_vss}
3963   endif
3964 endif
3965 summary_info += {'seccomp support':   seccomp}
3966 summary_info += {'GlusterFS support': glusterfs}
3967 summary_info += {'TPM support':       have_tpm}
3968 summary_info += {'libssh support':    libssh}
3969 summary_info += {'lzo support':       lzo}
3970 summary_info += {'snappy support':    snappy}
3971 summary_info += {'bzip2 support':     libbzip2}
3972 summary_info += {'lzfse support':     liblzfse}
3973 summary_info += {'zstd support':      zstd}
3974 summary_info += {'NUMA host support': numa}
3975 summary_info += {'capstone':          capstone}
3976 summary_info += {'libpmem support':   libpmem}
3977 summary_info += {'libdaxctl support': libdaxctl}
3978 summary_info += {'libudev':           libudev}
3979 # Dummy dependency, keep .found()
3980 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3981 summary_info += {'selinux':           selinux}
3982 summary_info += {'libdw':             libdw}
3983 summary(summary_info, bool_yn: true, section: 'Dependencies')
3984
3985 if not supported_cpus.contains(cpu)
3986   message()
3987   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3988   message()
3989   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3990   message('The QEMU project intends to remove support for this host CPU in')
3991   message('a future release if nobody volunteers to maintain it and to')
3992   message('provide a build host for our continuous integration setup.')
3993   message('configure has succeeded and you can continue to build, but')
3994   message('if you care about QEMU on this platform you should contact')
3995   message('us upstream at qemu-devel@nongnu.org.')
3996 endif
3997
3998 if not supported_oses.contains(targetos)
3999   message()
4000   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
4001   message()
4002   message('Host OS ' + targetos + 'support is not currently maintained.')
4003   message('The QEMU project intends to remove support for this host OS in')
4004   message('a future release if nobody volunteers to maintain it and to')
4005   message('provide a build host for our continuous integration setup.')
4006   message('configure has succeeded and you can continue to build, but')
4007   message('if you care about QEMU on this platform you should contact')
4008   message('us upstream at qemu-devel@nongnu.org.')
4009 endif