meson.build

   1 project('qemu', ['c'], meson_version: '>=0.58.2',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false'],
   4         version: files('VERSION'))
   5
   6 not_found = dependency('', required: false)
   7 keyval = import('keyval')
   8 ss = import('sourceset')
   9 fs = import('fs')
  10
  11 sh = find_program('sh')
  12 cc = meson.get_compiler('c')
  13 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  14 enable_modules = 'CONFIG_MODULES' in config_host
  15 enable_static = 'CONFIG_STATIC' in config_host
  16
  17 # Allow both shared and static libraries unless --enable-static
  18 static_kwargs = enable_static ? {'static': true} : {}
  19
  20 # Temporary directory used for files created while
  21 # configure runs. Since it is in the build directory
  22 # we can safely blow away any previous version of it
  23 # (and we need not jump through hoops to try to delete
  24 # it when configure exits.)
  25 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  26
  27 if get_option('qemu_suffix').startswith('/')
  28   error('qemu_suffix cannot start with a /')
  29 endif
  30
  31 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  32 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  33 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  34 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  35
  36 qemu_desktopdir = get_option('datadir') / 'applications'
  37 qemu_icondir = get_option('datadir') / 'icons'
  38
  39 config_host_data = configuration_data()
  40 genh = []
  41
  42 target_dirs = config_host['TARGET_DIRS'].split()
  43 have_linux_user = false
  44 have_bsd_user = false
  45 have_system = false
  46 foreach target : target_dirs
  47   have_linux_user = have_linux_user or target.endswith('linux-user')
  48   have_bsd_user = have_bsd_user or target.endswith('bsd-user')
  49   have_system = have_system or target.endswith('-softmmu')
  50 endforeach
  51 have_user = have_linux_user or have_bsd_user
  52 have_tools = 'CONFIG_TOOLS' in config_host
  53 have_block = have_system or have_tools
  54
  55 python = import('python').find_installation()
  56
  57 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  58 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
  59   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  60
  61 cpu = host_machine.cpu_family()
  62 targetos = host_machine.system()
  63
  64 if cpu in ['x86', 'x86_64']
  65   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  66 elif cpu == 'aarch64'
  67   kvm_targets = ['aarch64-softmmu']
  68 elif cpu == 's390x'
  69   kvm_targets = ['s390x-softmmu']
  70 elif cpu in ['ppc', 'ppc64']
  71   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
  72 elif cpu in ['mips', 'mips64']
  73   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
  74 else
  75   kvm_targets = []
  76 endif
  77
  78 kvm_targets_c = '""'
  79 if not get_option('kvm').disabled() and targetos == 'linux'
  80   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
  81 endif
  82 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
  83
  84 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
  85
  86 if cpu in ['aarch64']
  87   accelerator_targets += {
  88     'CONFIG_HVF': ['aarch64-softmmu']
  89   }
  90 endif
  91
  92 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
  93   # i386 emulator provides xenpv machine type for multiple architectures
  94   accelerator_targets += {
  95     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
  96   }
  97 endif
  98 if cpu in ['x86', 'x86_64']
  99   accelerator_targets += {
 100     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
 101     'CONFIG_HVF': ['x86_64-softmmu'],
 102     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
 103     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
 104   }
 105 endif
 106
 107 modular_tcg = []
 108 # Darwin does not support references to thread-local variables in modules
 109 if targetos != 'darwin'
 110   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 111 endif
 112
 113 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 114 unpack_edk2_blobs = false
 115 foreach target : edk2_targets
 116   if target in target_dirs
 117     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 118     unpack_edk2_blobs = bzip2.found()
 119     break
 120   endif
 121 endforeach
 122
 123 dtrace = not_found
 124 stap = not_found
 125 if 'dtrace' in get_option('trace_backends')
 126   dtrace = find_program('dtrace', required: true)
 127   stap = find_program('stap', required: false)
 128   if stap.found()
 129     # Workaround to avoid dtrace(1) producing a file with 'hidden' symbol
 130     # visibility. Define STAP_SDT_V2 to produce 'default' symbol visibility
 131     # instead. QEMU --enable-modules depends on this because the SystemTap
 132     # semaphores are linked into the main binary and not the module's shared
 133     # object.
 134     add_global_arguments('-DSTAP_SDT_V2',
 135                          native: false, language: ['c', 'cpp', 'objc'])
 136   endif
 137 endif
 138
 139 ##################
 140 # Compiler flags #
 141 ##################
 142
 143 # Specify linker-script with add_project_link_arguments so that it is not placed
 144 # within a linker --start-group/--end-group pair
 145 if get_option('fuzzing')
 146   add_project_link_arguments(['-Wl,-T,',
 147                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 148                              native: false, language: ['c', 'cpp', 'objc'])
 149
 150   # Specify a filter to only instrument code that is directly related to
 151   # virtual-devices.
 152   configure_file(output: 'instrumentation-filter',
 153                  input: 'scripts/oss-fuzz/instrumentation-filter-template',
 154                  copy: true)
 155   add_global_arguments(
 156       cc.get_supported_arguments('-fsanitize-coverage-allowlist=instrumentation-filter'),
 157       native: false, language: ['c', 'cpp', 'objc'])
 158
 159   if get_option('fuzzing_engine') == ''
 160     # Add CFLAGS to tell clang to add fuzzer-related instrumentation to all the
 161     # compiled code.  To build non-fuzzer binaries with --enable-fuzzing, link
 162     # everything with fsanitize=fuzzer-no-link. Otherwise, the linker will be
 163     # unable to bind the fuzzer-related callbacks added by instrumentation.
 164     add_global_arguments('-fsanitize=fuzzer-no-link',
 165                          native: false, language: ['c', 'cpp', 'objc'])
 166     add_global_link_arguments('-fsanitize=fuzzer-no-link',
 167                               native: false, language: ['c', 'cpp', 'objc'])
 168     # For the actual fuzzer binaries, we need to link against the libfuzzer
 169     # library. They need to be configurable, to support OSS-Fuzz
 170     fuzz_exe_ldflags = ['-fsanitize=fuzzer']
 171   else
 172     # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and
 173     # the needed CFLAGS have already been provided
 174     fuzz_exe_ldflags = get_option('fuzzing_engine').split()
 175   endif
 176 endif
 177
 178 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
 179                      native: false, language: ['c', 'objc'])
 180 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
 181                      native: false, language: 'cpp')
 182 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 183                           native: false, language: ['c', 'cpp', 'objc'])
 184
 185 if targetos == 'linux'
 186   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 187                         '-isystem', 'linux-headers',
 188                         language: ['c', 'cpp'])
 189 endif
 190
 191 add_project_arguments('-iquote', '.',
 192                       '-iquote', meson.current_source_dir(),
 193                       '-iquote', meson.current_source_dir() / 'include',
 194                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 195                       language: ['c', 'cpp', 'objc'])
 196
 197 link_language = meson.get_external_property('link_language', 'cpp')
 198 if link_language == 'cpp'
 199   add_languages('cpp', required: true, native: false)
 200 endif
 201 if host_machine.system() == 'darwin'
 202   add_languages('objc', required: false, native: false)
 203 endif
 204
 205 sparse = find_program('cgcc', required: get_option('sparse'))
 206 if sparse.found()
 207   run_target('sparse',
 208              command: [find_program('scripts/check_sparse.py'),
 209                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 210                        '-Wno-transparent-union', '-Wno-old-initializer',
 211                        '-Wno-non-pointer-null'])
 212 endif
 213
 214 ###########################################
 215 # Target-specific checks and dependencies #
 216 ###########################################
 217
 218 if get_option('fuzzing') and get_option('fuzzing_engine') == '' and \
 219     not cc.links('''
 220           #include <stdint.h>
 221           #include <sys/types.h>
 222           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
 223           int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
 224         ''',
 225         args: ['-Werror', '-fsanitize=fuzzer'])
 226   error('Your compiler does not support -fsanitize=fuzzer')
 227 endif
 228
 229 if 'ftrace' in get_option('trace_backends') and targetos != 'linux'
 230   error('ftrace is supported only on Linux')
 231 endif
 232 if 'syslog' in get_option('trace_backends') and not cc.compiles('''
 233     #include <syslog.h>
 234     int main(void) {
 235         openlog("qemu", LOG_PID, LOG_DAEMON);
 236         syslog(LOG_INFO, "configure");
 237         return 0;
 238     }''')
 239   error('syslog is not supported on this system')
 240 endif
 241
 242 if targetos != 'linux' and get_option('mpath').enabled()
 243   error('Multipath is supported only on Linux')
 244 endif
 245
 246 if targetos != 'linux' and get_option('multiprocess').enabled()
 247   error('Multiprocess QEMU is supported only on Linux')
 248 endif
 249 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 250
 251 libm = cc.find_library('m', required: false)
 252 threads = dependency('threads')
 253 util = cc.find_library('util', required: false)
 254 winmm = []
 255 socket = []
 256 version_res = []
 257 coref = []
 258 iokit = []
 259 emulator_link_args = []
 260 nvmm =not_found
 261 hvf = not_found
 262 host_dsosuf = '.so'
 263 if targetos == 'windows'
 264   socket = cc.find_library('ws2_32')
 265   winmm = cc.find_library('winmm')
 266
 267   win = import('windows')
 268   version_res = win.compile_resources('version.rc',
 269                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 270                                       include_directories: include_directories('.'))
 271   host_dsosuf = '.dll'
 272 elif targetos == 'darwin'
 273   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 274   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 275   host_dsosuf = '.dylib'
 276 elif targetos == 'sunos'
 277   socket = [cc.find_library('socket'),
 278             cc.find_library('nsl'),
 279             cc.find_library('resolv')]
 280 elif targetos == 'haiku'
 281   socket = [cc.find_library('posix_error_mapper'),
 282             cc.find_library('network'),
 283             cc.find_library('bsd')]
 284 elif targetos == 'openbsd'
 285   if not get_option('tcg').disabled() and target_dirs.length() > 0
 286     # Disable OpenBSD W^X if available
 287     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 288   endif
 289 endif
 290
 291 accelerators = []
 292 if not get_option('kvm').disabled() and targetos == 'linux'
 293   accelerators += 'CONFIG_KVM'
 294 endif
 295 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
 296   accelerators += 'CONFIG_XEN'
 297   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
 298 else
 299   have_xen_pci_passthrough = false
 300 endif
 301 if not get_option('whpx').disabled() and targetos == 'windows'
 302   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 303     error('WHPX requires 64-bit host')
 304   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 305        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 306     accelerators += 'CONFIG_WHPX'
 307   endif
 308 endif
 309 if not get_option('hvf').disabled()
 310   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 311                    required: get_option('hvf'))
 312   if hvf.found()
 313     accelerators += 'CONFIG_HVF'
 314   endif
 315 endif
 316 if not get_option('hax').disabled()
 317   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 318     accelerators += 'CONFIG_HAX'
 319   endif
 320 endif
 321 if targetos == 'netbsd'
 322   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
 323     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 324   endif
 325   if nvmm.found()
 326     accelerators += 'CONFIG_NVMM'
 327   endif
 328 endif
 329
 330 tcg_arch = config_host['ARCH']
 331 if not get_option('tcg').disabled()
 332   if cpu not in supported_cpus
 333     if get_option('tcg_interpreter')
 334       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
 335     else
 336       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 337     endif
 338   elif get_option('tcg_interpreter')
 339     warning('Use of the TCG interpretor is not recommended on this host')
 340     warning('architecture. There is a native TCG execution backend available')
 341     warning('which provides substantially better performance and reliability.')
 342     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 343     warning('configuration option on this architecture to use the native')
 344     warning('backend.')
 345   endif
 346   if get_option('tcg_interpreter')
 347     tcg_arch = 'tci'
 348   elif config_host['ARCH'] == 'sparc64'
 349     tcg_arch = 'sparc'
 350   elif config_host['ARCH'] in ['x86_64', 'x32']
 351     tcg_arch = 'i386'
 352   elif config_host['ARCH'] == 'ppc64'
 353     tcg_arch = 'ppc'
 354   endif
 355   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 356                         language: ['c', 'cpp', 'objc'])
 357
 358   accelerators += 'CONFIG_TCG'
 359   config_host += { 'CONFIG_TCG': 'y' }
 360 endif
 361
 362 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 363   error('KVM not available on this platform')
 364 endif
 365 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 366   error('HVF not available on this platform')
 367 endif
 368 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 369   error('NVMM not available on this platform')
 370 endif
 371 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 372   error('WHPX not available on this platform')
 373 endif
 374 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
 375   if 'CONFIG_XEN' in accelerators
 376     error('Xen PCI passthrough not available on this platform')
 377   else
 378     error('Xen PCI passthrough requested but Xen not enabled')
 379   endif
 380 endif
 381
 382 ################
 383 # Dependencies #
 384 ################
 385
 386 # The path to glib.h is added to all compilation commands.  This was
 387 # grandfathered in from the QEMU Makefiles.
 388 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 389                       native: false, language: ['c', 'cpp', 'objc'])
 390 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 391                           link_args: config_host['GLIB_LIBS'].split())
 392 # override glib dep with the configure results (for subprojects)
 393 meson.override_dependency('glib-2.0', glib)
 394
 395 gio = not_found
 396 if 'CONFIG_GIO' in config_host
 397   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
 398                            link_args: config_host['GIO_LIBS'].split())
 399 endif
 400 lttng = not_found
 401 if 'ust' in get_option('trace_backends')
 402   lttng = dependency('lttng-ust', required: true, method: 'pkg-config',
 403                      kwargs: static_kwargs)
 404 endif
 405 pixman = not_found
 406 if have_system or have_tools
 407   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 408                       method: 'pkg-config', kwargs: static_kwargs)
 409 endif
 410 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 411
 412 libaio = not_found
 413 if not get_option('linux_aio').auto() or have_block
 414   libaio = cc.find_library('aio', has_headers: ['libaio.h'],
 415                            required: get_option('linux_aio'),
 416                            kwargs: static_kwargs)
 417 endif
 418 linux_io_uring = not_found
 419 if not get_option('linux_io_uring').auto() or have_block
 420   linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'),
 421                               method: 'pkg-config', kwargs: static_kwargs)
 422 endif
 423 libxml2 = not_found
 424 if not get_option('libxml2').auto() or have_block
 425   libxml2 = dependency('libxml-2.0', required: get_option('libxml2'),
 426                        method: 'pkg-config', kwargs: static_kwargs)
 427 endif
 428 libnfs = not_found
 429 if not get_option('libnfs').auto() or have_block
 430   libnfs = dependency('libnfs', version: '>=1.9.3',
 431                       required: get_option('libnfs'),
 432                       method: 'pkg-config', kwargs: static_kwargs)
 433 endif
 434
 435 libattr_test = '''
 436   #include <stddef.h>
 437   #include <sys/types.h>
 438   #ifdef CONFIG_LIBATTR
 439   #include <attr/xattr.h>
 440   #else
 441   #include <sys/xattr.h>
 442   #endif
 443   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 444
 445 libattr = not_found
 446 have_old_libattr = false
 447 if not get_option('attr').disabled()
 448   if cc.links(libattr_test)
 449     libattr = declare_dependency()
 450   else
 451     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 452                               required: get_option('attr'),
 453                               kwargs: static_kwargs)
 454     if libattr.found() and not \
 455       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 456       libattr = not_found
 457       if get_option('attr').enabled()
 458         error('could not link libattr')
 459       else
 460         warning('could not link libattr, disabling')
 461       endif
 462     else
 463       have_old_libattr = libattr.found()
 464     endif
 465   endif
 466 endif
 467
 468 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 469 if cocoa.found() and get_option('sdl').enabled()
 470   error('Cocoa and SDL cannot be enabled at the same time')
 471 endif
 472 if cocoa.found() and get_option('gtk').enabled()
 473   error('Cocoa and GTK+ cannot be enabled at the same time')
 474 endif
 475
 476 seccomp = not_found
 477 if not get_option('seccomp').auto() or have_system or have_tools
 478   seccomp = dependency('libseccomp', version: '>=2.3.0',
 479                        required: get_option('seccomp'),
 480                        method: 'pkg-config', kwargs: static_kwargs)
 481 endif
 482
 483 libcap_ng = not_found
 484 if not get_option('cap_ng').auto() or have_system or have_tools
 485   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 486                               required: get_option('cap_ng'),
 487                               kwargs: static_kwargs)
 488 endif
 489 if libcap_ng.found() and not cc.links('''
 490    #include <cap-ng.h>
 491    int main(void)
 492    {
 493      capng_capability_to_name(CAPNG_EFFECTIVE);
 494      return 0;
 495    }''', dependencies: libcap_ng)
 496   libcap_ng = not_found
 497   if get_option('cap_ng').enabled()
 498     error('could not link libcap-ng')
 499   else
 500     warning('could not link libcap-ng, disabling')
 501   endif
 502 endif
 503
 504 if get_option('xkbcommon').auto() and not have_system and not have_tools
 505   xkbcommon = not_found
 506 else
 507   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 508                          method: 'pkg-config', kwargs: static_kwargs)
 509 endif
 510
 511 vde = not_found
 512 if not get_option('vde').auto() or have_system or have_tools
 513   vde = cc.find_library('vdeplug', has_headers: ['libvdeplug.h'],
 514                            required: get_option('vde'),
 515                            kwargs: static_kwargs)
 516 endif
 517 if vde.found() and not cc.links('''
 518    #include <libvdeplug.h>
 519    int main(void)
 520    {
 521      struct vde_open_args a = {0, 0, 0};
 522      char s[] = "";
 523      vde_open(s, s, &a);
 524      return 0;
 525    }''', dependencies: vde)
 526   vde = not_found
 527   if get_option('cap_ng').enabled()
 528     error('could not link libvdeplug')
 529   else
 530     warning('could not link libvdeplug, disabling')
 531   endif
 532 endif
 533
 534 pulse = not_found
 535 if not get_option('pa').auto() or (targetos == 'linux' and have_system)
 536   pulse = dependency('libpulse', required: get_option('pa'),
 537                      method: 'pkg-config', kwargs: static_kwargs)
 538 endif
 539 alsa = not_found
 540 if not get_option('alsa').auto() or (targetos == 'linux' and have_system)
 541   alsa = dependency('alsa', required: get_option('alsa'),
 542                     method: 'pkg-config', kwargs: static_kwargs)
 543 endif
 544 jack = not_found
 545 if not get_option('jack').auto() or have_system
 546   jack = dependency('jack', required: get_option('jack'),
 547                     method: 'pkg-config', kwargs: static_kwargs)
 548 endif
 549
 550 spice_protocol = not_found
 551 if not get_option('spice_protocol').auto() or have_system
 552   spice_protocol = dependency('spice-protocol', version: '>=0.12.3',
 553                               required: get_option('spice_protocol'),
 554                               method: 'pkg-config', kwargs: static_kwargs)
 555 endif
 556 spice = not_found
 557 if not get_option('spice').auto() or have_system
 558   spice = dependency('spice-server', version: '>=0.12.5',
 559                      required: get_option('spice'),
 560                      method: 'pkg-config', kwargs: static_kwargs)
 561 endif
 562 spice_headers = spice.partial_dependency(compile_args: true, includes: true)
 563
 564 rt = cc.find_library('rt', required: false)
 565 libdl = not_found
 566 if 'CONFIG_PLUGIN' in config_host
 567   libdl = cc.find_library('dl', required: false)
 568   if not cc.has_function('dlopen', dependencies: libdl)
 569     error('dlopen not found')
 570   endif
 571 endif
 572 libiscsi = not_found
 573 if not get_option('libiscsi').auto() or have_block
 574   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 575                          required: get_option('libiscsi'),
 576                          method: 'pkg-config', kwargs: static_kwargs)
 577 endif
 578 zstd = not_found
 579 if not get_option('zstd').auto() or have_block
 580   zstd = dependency('libzstd', version: '>=1.4.0',
 581                     required: get_option('zstd'),
 582                     method: 'pkg-config', kwargs: static_kwargs)
 583 endif
 584 virgl = not_found
 585 if not get_option('virglrenderer').auto() or have_system
 586   virgl = dependency('virglrenderer',
 587                      method: 'pkg-config',
 588                      required: get_option('virglrenderer'),
 589                      kwargs: static_kwargs)
 590 endif
 591 curl = not_found
 592 if not get_option('curl').auto() or have_block
 593   curl = dependency('libcurl', version: '>=7.29.0',
 594                     method: 'pkg-config',
 595                     required: get_option('curl'),
 596                     kwargs: static_kwargs)
 597 endif
 598 libudev = not_found
 599 if targetos == 'linux' and (have_system or have_tools)
 600   libudev = dependency('libudev',
 601                        method: 'pkg-config',
 602                        required: get_option('libudev'),
 603                        kwargs: static_kwargs)
 604 endif
 605
 606 mpathlibs = [libudev]
 607 mpathpersist = not_found
 608 mpathpersist_new_api = false
 609 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
 610   mpath_test_source_new = '''
 611     #include <libudev.h>
 612     #include <mpath_persist.h>
 613     unsigned mpath_mx_alloc_len = 1024;
 614     int logsink;
 615     static struct config *multipath_conf;
 616     extern struct udev *udev;
 617     extern struct config *get_multipath_config(void);
 618     extern void put_multipath_config(struct config *conf);
 619     struct udev *udev;
 620     struct config *get_multipath_config(void) { return multipath_conf; }
 621     void put_multipath_config(struct config *conf) { }
 622     int main(void) {
 623         udev = udev_new();
 624         multipath_conf = mpath_lib_init();
 625         return 0;
 626     }'''
 627   mpath_test_source_old = '''
 628       #include <libudev.h>
 629       #include <mpath_persist.h>
 630       unsigned mpath_mx_alloc_len = 1024;
 631       int logsink;
 632       int main(void) {
 633           struct udev *udev = udev_new();
 634           mpath_lib_init(udev);
 635           return 0;
 636       }'''
 637   libmpathpersist = cc.find_library('mpathpersist',
 638                                     required: get_option('mpath'),
 639                                     kwargs: static_kwargs)
 640   if libmpathpersist.found()
 641     mpathlibs += libmpathpersist
 642     if enable_static
 643       mpathlibs += cc.find_library('devmapper',
 644                                      required: get_option('mpath'),
 645                                      kwargs: static_kwargs)
 646     endif
 647     mpathlibs += cc.find_library('multipath',
 648                                  required: get_option('mpath'),
 649                                  kwargs: static_kwargs)
 650     foreach lib: mpathlibs
 651       if not lib.found()
 652         mpathlibs = []
 653         break
 654       endif
 655     endforeach
 656     if mpathlibs.length() == 0
 657       msg = 'Dependencies missing for libmpathpersist'
 658     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 659       mpathpersist = declare_dependency(dependencies: mpathlibs)
 660       mpathpersist_new_api = true
 661     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 662       mpathpersist = declare_dependency(dependencies: mpathlibs)
 663     else
 664       msg = 'Cannot detect libmpathpersist API'
 665     endif
 666     if not mpathpersist.found()
 667       if get_option('mpath').enabled()
 668         error(msg)
 669       else
 670         warning(msg + ', disabling')
 671       endif
 672     endif
 673   endif
 674 endif
 675
 676 iconv = not_found
 677 curses = not_found
 678 if have_system and not get_option('curses').disabled()
 679   curses_test = '''
 680     #include <locale.h>
 681     #include <curses.h>
 682     #include <wchar.h>
 683     int main(void) {
 684       wchar_t wch = L'w';
 685       setlocale(LC_ALL, "");
 686       resize_term(0, 0);
 687       addwstr(L"wide chars\n");
 688       addnwstr(&wch, 1);
 689       add_wch(WACS_DEGREE);
 690       return 0;
 691     }'''
 692
 693   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 694   foreach curses_dep : curses_dep_list
 695     if not curses.found()
 696       curses = dependency(curses_dep,
 697                           required: false,
 698                           method: 'pkg-config',
 699                           kwargs: static_kwargs)
 700     endif
 701   endforeach
 702   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 703   curses_compile_args = ['-DNCURSES_WIDECHAR']
 704   if curses.found()
 705     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 706       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 707     else
 708       msg = 'curses package not usable'
 709       curses = not_found
 710     endif
 711   endif
 712   if not curses.found()
 713     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 714     if targetos != 'windows' and not has_curses_h
 715       message('Trying with /usr/include/ncursesw')
 716       curses_compile_args += ['-I/usr/include/ncursesw']
 717       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 718     endif
 719     if has_curses_h
 720       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 721       foreach curses_libname : curses_libname_list
 722         libcurses = cc.find_library(curses_libname,
 723                                     required: false,
 724                                     kwargs: static_kwargs)
 725         if libcurses.found()
 726           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 727             curses = declare_dependency(compile_args: curses_compile_args,
 728                                         dependencies: [libcurses])
 729             break
 730           else
 731             msg = 'curses library not usable'
 732           endif
 733         endif
 734       endforeach
 735     endif
 736   endif
 737   if not get_option('iconv').disabled()
 738     foreach link_args : [ ['-liconv'], [] ]
 739       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 740       # We need to use libiconv if available because mixing libiconv's headers with
 741       # the system libc does not work.
 742       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 743       # included in the command line and libiconv will not be found.
 744       if cc.links('''
 745         #include <iconv.h>
 746         int main(void) {
 747           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 748           return conv != (iconv_t) -1;
 749         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 750         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 751         break
 752       endif
 753     endforeach
 754   endif
 755   if curses.found() and not iconv.found()
 756     if get_option('iconv').enabled()
 757       error('iconv not available')
 758     endif
 759     msg = 'iconv required for curses UI but not available'
 760     curses = not_found
 761   endif
 762   if not curses.found() and msg != ''
 763     if get_option('curses').enabled()
 764       error(msg)
 765     else
 766       warning(msg + ', disabling')
 767     endif
 768   endif
 769 endif
 770
 771 brlapi = not_found
 772 if not get_option('brlapi').auto() or have_system
 773   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 774                          required: get_option('brlapi'),
 775                          kwargs: static_kwargs)
 776   if brlapi.found() and not cc.links('''
 777      #include <brlapi.h>
 778      #include <stddef.h>
 779      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 780     brlapi = not_found
 781     if get_option('brlapi').enabled()
 782       error('could not link brlapi')
 783     else
 784       warning('could not link brlapi, disabling')
 785     endif
 786   endif
 787 endif
 788
 789 sdl = not_found
 790 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 791   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 792   sdl_image = not_found
 793 endif
 794 if sdl.found()
 795   # work around 2.0.8 bug
 796   sdl = declare_dependency(compile_args: '-Wno-undef',
 797                            dependencies: sdl)
 798   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 799                          method: 'pkg-config', kwargs: static_kwargs)
 800 else
 801   if get_option('sdl_image').enabled()
 802     error('sdl-image required, but SDL was @0@'.format(
 803           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 804   endif
 805   sdl_image = not_found
 806 endif
 807
 808 rbd = not_found
 809 if not get_option('rbd').auto() or have_block
 810   librados = cc.find_library('rados', required: get_option('rbd'),
 811                              kwargs: static_kwargs)
 812   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 813                            required: get_option('rbd'),
 814                            kwargs: static_kwargs)
 815   if librados.found() and librbd.found()
 816     if cc.links('''
 817       #include <stdio.h>
 818       #include <rbd/librbd.h>
 819       int main(void) {
 820         rados_t cluster;
 821         rados_create(&cluster, NULL);
 822         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 823         #error
 824         #endif
 825         return 0;
 826       }''', dependencies: [librbd, librados])
 827       rbd = declare_dependency(dependencies: [librbd, librados])
 828     elif get_option('rbd').enabled()
 829       error('librbd >= 1.12.0 required')
 830     else
 831       warning('librbd >= 1.12.0 not found, disabling')
 832     endif
 833   endif
 834 endif
 835
 836 glusterfs = not_found
 837 glusterfs_ftruncate_has_stat = false
 838 glusterfs_iocb_has_stat = false
 839 if not get_option('glusterfs').auto() or have_block
 840   glusterfs = dependency('glusterfs-api', version: '>=3',
 841                          required: get_option('glusterfs'),
 842                          method: 'pkg-config', kwargs: static_kwargs)
 843   if glusterfs.found()
 844     glusterfs_ftruncate_has_stat = cc.links('''
 845       #include <glusterfs/api/glfs.h>
 846
 847       int
 848       main(void)
 849       {
 850           /* new glfs_ftruncate() passes two additional args */
 851           return glfs_ftruncate(NULL, 0, NULL, NULL);
 852       }
 853     ''', dependencies: glusterfs)
 854     glusterfs_iocb_has_stat = cc.links('''
 855       #include <glusterfs/api/glfs.h>
 856
 857       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 858       static void
 859       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 860       {}
 861
 862       int
 863       main(void)
 864       {
 865           glfs_io_cbk iocb = &glusterfs_iocb;
 866           iocb(NULL, 0 , NULL, NULL, NULL);
 867           return 0;
 868       }
 869     ''', dependencies: glusterfs)
 870   endif
 871 endif
 872 libssh = not_found
 873 if 'CONFIG_LIBSSH' in config_host
 874   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
 875                               link_args: config_host['LIBSSH_LIBS'].split())
 876 endif
 877 libbzip2 = not_found
 878 if not get_option('bzip2').auto() or have_block
 879   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
 880                              required: get_option('bzip2'),
 881                              kwargs: static_kwargs)
 882   if libbzip2.found() and not cc.links('''
 883      #include <bzlib.h>
 884      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
 885     libbzip2 = not_found
 886     if get_option('bzip2').enabled()
 887       error('could not link libbzip2')
 888     else
 889       warning('could not link libbzip2, disabling')
 890     endif
 891   endif
 892 endif
 893
 894 liblzfse = not_found
 895 if not get_option('lzfse').auto() or have_block
 896   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
 897                              required: get_option('lzfse'),
 898                              kwargs: static_kwargs)
 899 endif
 900 if liblzfse.found() and not cc.links('''
 901    #include <lzfse.h>
 902    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
 903   liblzfse = not_found
 904   if get_option('lzfse').enabled()
 905     error('could not link liblzfse')
 906   else
 907     warning('could not link liblzfse, disabling')
 908   endif
 909 endif
 910
 911 oss = not_found
 912 if not get_option('oss').auto() or have_system
 913   if not cc.has_header('sys/soundcard.h')
 914     # not found
 915   elif targetos == 'netbsd'
 916     oss = cc.find_library('ossaudio', required: get_option('oss'),
 917                           kwargs: static_kwargs)
 918   else
 919     oss = declare_dependency()
 920   endif
 921
 922   if not oss.found()
 923     if get_option('oss').enabled()
 924       error('OSS not found')
 925     else
 926       warning('OSS not found, disabling')
 927     endif
 928   endif
 929 endif
 930 dsound = not_found
 931 if not get_option('dsound').auto() or (targetos == 'windows' and have_system)
 932   if cc.has_header('dsound.h')
 933     dsound = declare_dependency(link_args: ['-lole32', '-ldxguid'])
 934   endif
 935
 936   if not dsound.found()
 937     if get_option('dsound').enabled()
 938       error('DirectSound not found')
 939     else
 940       warning('DirectSound not found, disabling')
 941     endif
 942   endif
 943 endif
 944
 945 coreaudio = not_found
 946 if not get_option('coreaudio').auto() or (targetos == 'darwin' and have_system)
 947   coreaudio = dependency('appleframeworks', modules: 'CoreAudio',
 948                          required: get_option('coreaudio'))
 949   if coreaudio.found() and not cc.links('''
 950     #include <CoreAudio/CoreAudio.h>
 951     int main(void)
 952     {
 953       return (int)AudioGetCurrentHostTime();
 954     }''')
 955     coreaudio = not_found
 956   endif
 957
 958   if not coreaudio.found()
 959     if get_option('coreaudio').enabled()
 960       error('CoreAudio not found')
 961     else
 962       warning('CoreAudio not found, disabling')
 963     endif
 964   endif
 965 endif
 966
 967 opengl = not_found
 968 if 'CONFIG_OPENGL' in config_host
 969   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
 970                               link_args: config_host['OPENGL_LIBS'].split())
 971 endif
 972 gbm = not_found
 973 if (have_system or have_tools) and (virgl.found() or opengl.found())
 974   gbm = dependency('gbm', method: 'pkg-config', required: false,
 975                    kwargs: static_kwargs)
 976 endif
 977
 978 gnutls = not_found
 979 gnutls_crypto = not_found
 980 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
 981   # For general TLS support our min gnutls matches
 982   # that implied by our platform support matrix
 983   #
 984   # For the crypto backends, we look for a newer
 985   # gnutls:
 986   #
 987   #   Version 3.6.8  is needed to get XTS
 988   #   Version 3.6.13 is needed to get PBKDF
 989   #   Version 3.6.14 is needed to get HW accelerated XTS
 990   #
 991   # If newer enough gnutls isn't available, we can
 992   # still use a different crypto backend to satisfy
 993   # the platform support requirements
 994   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
 995                              method: 'pkg-config',
 996                              required: false,
 997                              kwargs: static_kwargs)
 998   if gnutls_crypto.found()
 999     gnutls = gnutls_crypto
1000   else
1001     # Our min version if all we need is TLS
1002     gnutls = dependency('gnutls', version: '>=3.5.18',
1003                         method: 'pkg-config',
1004                         required: get_option('gnutls'),
1005                         kwargs: static_kwargs)
1006   endif
1007 endif
1008
1009 # We prefer use of gnutls for crypto, unless the options
1010 # explicitly asked for nettle or gcrypt.
1011 #
1012 # If gnutls isn't available for crypto, then we'll prefer
1013 # gcrypt over nettle for performance reasons.
1014 gcrypt = not_found
1015 nettle = not_found
1016 xts = 'none'
1017
1018 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
1019   error('Only one of gcrypt & nettle can be enabled')
1020 endif
1021
1022 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
1023 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
1024   gnutls_crypto = not_found
1025 endif
1026
1027 if not gnutls_crypto.found()
1028   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
1029     gcrypt = dependency('libgcrypt', version: '>=1.8',
1030                         method: 'config-tool',
1031                         required: get_option('gcrypt'),
1032                         kwargs: static_kwargs)
1033     # Debian has removed -lgpg-error from libgcrypt-config
1034     # as it "spreads unnecessary dependencies" which in
1035     # turn breaks static builds...
1036     if gcrypt.found() and enable_static
1037       gcrypt = declare_dependency(dependencies: [
1038         gcrypt,
1039         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
1040     endif
1041   endif
1042   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
1043     nettle = dependency('nettle', version: '>=3.4',
1044                         method: 'pkg-config',
1045                         required: get_option('nettle'),
1046                         kwargs: static_kwargs)
1047     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
1048       xts = 'private'
1049     endif
1050   endif
1051 endif
1052
1053 gtk = not_found
1054 gtkx11 = not_found
1055 vte = not_found
1056 if not get_option('gtk').auto() or (have_system and not cocoa.found())
1057   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
1058                    method: 'pkg-config',
1059                    required: get_option('gtk'),
1060                    kwargs: static_kwargs)
1061   if gtk.found()
1062     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
1063                         method: 'pkg-config',
1064                         required: false,
1065                         kwargs: static_kwargs)
1066     gtk = declare_dependency(dependencies: [gtk, gtkx11])
1067
1068     if not get_option('vte').auto() or have_system
1069       vte = dependency('vte-2.91',
1070                        method: 'pkg-config',
1071                        required: get_option('vte'),
1072                        kwargs: static_kwargs)
1073     endif
1074   endif
1075 endif
1076
1077 x11 = not_found
1078 if gtkx11.found()
1079   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
1080                    kwargs: static_kwargs)
1081 endif
1082 vnc = not_found
1083 png = not_found
1084 jpeg = not_found
1085 sasl = not_found
1086 if have_system and not get_option('vnc').disabled()
1087   vnc = declare_dependency() # dummy dependency
1088   png = dependency('libpng', required: get_option('vnc_png'),
1089                    method: 'pkg-config', kwargs: static_kwargs)
1090   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
1091                     method: 'pkg-config', kwargs: static_kwargs)
1092   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
1093                          required: get_option('vnc_sasl'),
1094                          kwargs: static_kwargs)
1095   if sasl.found()
1096     sasl = declare_dependency(dependencies: sasl,
1097                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
1098   endif
1099 endif
1100
1101 pam = not_found
1102 if not get_option('auth_pam').auto() or have_system
1103   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
1104                         required: get_option('auth_pam'),
1105                         kwargs: static_kwargs)
1106 endif
1107 if pam.found() and not cc.links('''
1108    #include <stddef.h>
1109    #include <security/pam_appl.h>
1110    int main(void) {
1111      const char *service_name = "qemu";
1112      const char *user = "frank";
1113      const struct pam_conv pam_conv = { 0 };
1114      pam_handle_t *pamh = NULL;
1115      pam_start(service_name, user, &pam_conv, &pamh);
1116      return 0;
1117    }''', dependencies: pam)
1118   pam = not_found
1119   if get_option('auth_pam').enabled()
1120     error('could not link libpam')
1121   else
1122     warning('could not link libpam, disabling')
1123   endif
1124 endif
1125
1126 snappy = not_found
1127 if not get_option('snappy').auto() or have_system
1128   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
1129                            required: get_option('snappy'),
1130                            kwargs: static_kwargs)
1131 endif
1132 if snappy.found() and not cc.links('''
1133    #include <snappy-c.h>
1134    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
1135   snappy = not_found
1136   if get_option('snappy').enabled()
1137     error('could not link libsnappy')
1138   else
1139     warning('could not link libsnappy, disabling')
1140   endif
1141 endif
1142
1143 lzo = not_found
1144 if not get_option('lzo').auto() or have_system
1145   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
1146                         required: get_option('lzo'),
1147                         kwargs: static_kwargs)
1148 endif
1149 if lzo.found() and not cc.links('''
1150    #include <lzo/lzo1x.h>
1151    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1152   lzo = not_found
1153   if get_option('lzo').enabled()
1154     error('could not link liblzo2')
1155   else
1156     warning('could not link liblzo2, disabling')
1157   endif
1158 endif
1159
1160 rdma = not_found
1161 if 'CONFIG_RDMA' in config_host
1162   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
1163 endif
1164 numa = not_found
1165 if 'CONFIG_NUMA' in config_host
1166   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
1167 endif
1168 xen = not_found
1169 if 'CONFIG_XEN_BACKEND' in config_host
1170   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
1171                            link_args: config_host['XEN_LIBS'].split())
1172 endif
1173 cacard = not_found
1174 if not get_option('smartcard').auto() or have_system
1175   cacard = dependency('libcacard', required: get_option('smartcard'),
1176                       version: '>=2.5.1', method: 'pkg-config',
1177                       kwargs: static_kwargs)
1178 endif
1179 u2f = not_found
1180 if have_system
1181   u2f = dependency('u2f-emu', required: get_option('u2f'),
1182                    method: 'pkg-config',
1183                    kwargs: static_kwargs)
1184 endif
1185 usbredir = not_found
1186 if not get_option('usb_redir').auto() or have_system
1187   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1188                         version: '>=0.6', method: 'pkg-config',
1189                         kwargs: static_kwargs)
1190 endif
1191 libusb = not_found
1192 if not get_option('libusb').auto() or have_system
1193   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1194                       version: '>=1.0.13', method: 'pkg-config',
1195                       kwargs: static_kwargs)
1196 endif
1197
1198 libpmem = not_found
1199 if not get_option('libpmem').auto() or have_system
1200   libpmem = dependency('libpmem', required: get_option('libpmem'),
1201                        method: 'pkg-config', kwargs: static_kwargs)
1202 endif
1203 libdaxctl = not_found
1204 if not get_option('libdaxctl').auto() or have_system
1205   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1206                          version: '>=57', method: 'pkg-config',
1207                          kwargs: static_kwargs)
1208 endif
1209 tasn1 = not_found
1210 if gnutls.found()
1211   tasn1 = dependency('libtasn1',
1212                      method: 'pkg-config',
1213                      kwargs: static_kwargs)
1214 endif
1215 keyutils = dependency('libkeyutils', required: false,
1216                       method: 'pkg-config', kwargs: static_kwargs)
1217
1218 has_gettid = cc.has_function('gettid')
1219
1220 # Malloc tests
1221
1222 malloc = []
1223 if get_option('malloc') == 'system'
1224   has_malloc_trim = \
1225     not get_option('malloc_trim').disabled() and \
1226     cc.links('''#include <malloc.h>
1227                 int main(void) { malloc_trim(0); return 0; }''')
1228 else
1229   has_malloc_trim = false
1230   malloc = cc.find_library(get_option('malloc'), required: true)
1231 endif
1232 if not has_malloc_trim and get_option('malloc_trim').enabled()
1233   if get_option('malloc') == 'system'
1234     error('malloc_trim not available on this platform.')
1235   else
1236     error('malloc_trim not available with non-libc memory allocator')
1237   endif
1238 endif
1239
1240 # Check whether the glibc provides statx()
1241
1242 gnu_source_prefix = '''
1243   #ifndef _GNU_SOURCE
1244   #define _GNU_SOURCE
1245   #endif
1246 '''
1247 statx_test = gnu_source_prefix + '''
1248   #include <sys/stat.h>
1249   int main(void) {
1250     struct statx statxbuf;
1251     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1252     return 0;
1253   }'''
1254
1255 has_statx = cc.links(statx_test)
1256
1257 have_vhost_user_blk_server = (targetos == 'linux' and
1258     'CONFIG_VHOST_USER' in config_host)
1259
1260 if get_option('vhost_user_blk_server').enabled()
1261     if targetos != 'linux'
1262         error('vhost_user_blk_server requires linux')
1263     elif 'CONFIG_VHOST_USER' not in config_host
1264         error('vhost_user_blk_server requires vhost-user support')
1265     endif
1266 elif get_option('vhost_user_blk_server').disabled() or not have_system
1267     have_vhost_user_blk_server = false
1268 endif
1269
1270
1271 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1272   error('Cannot enable fuse-lseek while fuse is disabled')
1273 endif
1274
1275 fuse = dependency('fuse3', required: get_option('fuse'),
1276                   version: '>=3.1', method: 'pkg-config',
1277                   kwargs: static_kwargs)
1278
1279 fuse_lseek = not_found
1280 if not get_option('fuse_lseek').disabled()
1281   if fuse.version().version_compare('>=3.8')
1282     # Dummy dependency
1283     fuse_lseek = declare_dependency()
1284   elif get_option('fuse_lseek').enabled()
1285     if fuse.found()
1286       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1287     else
1288       error('fuse-lseek requires libfuse, which was not found')
1289     endif
1290   endif
1291 endif
1292
1293 # libbpf
1294 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1295 if libbpf.found() and not cc.links('''
1296    #include <bpf/libbpf.h>
1297    int main(void)
1298    {
1299      bpf_object__destroy_skeleton(NULL);
1300      return 0;
1301    }''', dependencies: libbpf)
1302   libbpf = not_found
1303   if get_option('bpf').enabled()
1304     error('libbpf skeleton test failed')
1305   else
1306     warning('libbpf skeleton test failed, disabling')
1307   endif
1308 endif
1309
1310 #################
1311 # config-host.h #
1312 #################
1313
1314 audio_drivers_selected = []
1315 if have_system
1316   audio_drivers_available = {
1317     'alsa': alsa.found(),
1318     'coreaudio': coreaudio.found(),
1319     'dsound': dsound.found(),
1320     'jack': jack.found(),
1321     'oss': oss.found(),
1322     'pa': pulse.found(),
1323     'sdl': sdl.found(),
1324   }
1325   foreach k, v: audio_drivers_available
1326     config_host_data.set('CONFIG_AUDIO_' + k.to_upper(), v)
1327   endforeach
1328
1329   # Default to native drivers first, OSS second, SDL third
1330   audio_drivers_priority = \
1331     [ 'pa', 'coreaudio', 'dsound', 'oss' ] + \
1332     (targetos == 'linux' ? [] : [ 'sdl' ])
1333   audio_drivers_default = []
1334   foreach k: audio_drivers_priority
1335     if audio_drivers_available[k]
1336       audio_drivers_default += k
1337     endif
1338   endforeach
1339
1340   foreach k: get_option('audio_drv_list')
1341     if k == 'default'
1342       audio_drivers_selected += audio_drivers_default
1343     elif not audio_drivers_available[k]
1344       error('Audio driver "@0@" not available.'.format(k))
1345     else
1346       audio_drivers_selected += k
1347     endif
1348   endforeach
1349 endif
1350 config_host_data.set('CONFIG_AUDIO_DRIVERS',
1351                      '"' + '", "'.join(audio_drivers_selected) + '", ')
1352
1353 if get_option('cfi')
1354   cfi_flags=[]
1355   # Check for dependency on LTO
1356   if not get_option('b_lto')
1357     error('Selected Control-Flow Integrity but LTO is disabled')
1358   endif
1359   if config_host.has_key('CONFIG_MODULES')
1360     error('Selected Control-Flow Integrity is not compatible with modules')
1361   endif
1362   # Check for cfi flags. CFI requires LTO so we can't use
1363   # get_supported_arguments, but need a more complex "compiles" which allows
1364   # custom arguments
1365   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1366                  args: ['-flto', '-fsanitize=cfi-icall'] )
1367     cfi_flags += '-fsanitize=cfi-icall'
1368   else
1369     error('-fsanitize=cfi-icall is not supported by the compiler')
1370   endif
1371   if cc.compiles('int main () { return 0; }',
1372                  name: '-fsanitize-cfi-icall-generalize-pointers',
1373                  args: ['-flto', '-fsanitize=cfi-icall',
1374                         '-fsanitize-cfi-icall-generalize-pointers'] )
1375     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1376   else
1377     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1378   endif
1379   if get_option('cfi_debug')
1380     if cc.compiles('int main () { return 0; }',
1381                    name: '-fno-sanitize-trap=cfi-icall',
1382                    args: ['-flto', '-fsanitize=cfi-icall',
1383                           '-fno-sanitize-trap=cfi-icall'] )
1384       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1385     else
1386       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1387     endif
1388   endif
1389   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1390   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1391 endif
1392
1393 have_host_block_device = (targetos != 'darwin' or
1394     cc.has_header('IOKit/storage/IOMedia.h'))
1395
1396 have_virtfs = (targetos == 'linux' and
1397     have_system and
1398     libattr.found() and
1399     libcap_ng.found())
1400
1401 have_virtfs_proxy_helper = have_virtfs and have_tools
1402
1403 if get_option('virtfs').enabled()
1404   if not have_virtfs
1405     if targetos != 'linux'
1406       error('virtio-9p (virtfs) requires Linux')
1407     elif not libcap_ng.found() or not libattr.found()
1408       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1409     elif not have_system
1410       error('virtio-9p (virtfs) needs system emulation support')
1411     endif
1412   endif
1413 elif get_option('virtfs').disabled()
1414   have_virtfs = false
1415 endif
1416
1417 foreach k : get_option('trace_backends')
1418   config_host_data.set('CONFIG_TRACE_' + k.to_upper(), true)
1419 endforeach
1420 config_host_data.set_quoted('CONFIG_TRACE_FILE', get_option('trace_file'))
1421
1422 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1423 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1424 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1425 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1426 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1427 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1428 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1429 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1430 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1431 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1432 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1433 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1434
1435 config_host_data.set('CONFIG_ATTR', libattr.found())
1436 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1437 config_host_data.set('CONFIG_COCOA', cocoa.found())
1438 config_host_data.set('CONFIG_FUZZ', get_option('fuzzing'))
1439 config_host_data.set('CONFIG_GCOV', get_option('b_coverage'))
1440 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1441 config_host_data.set('CONFIG_LZO', lzo.found())
1442 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1443 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1444 config_host_data.set('CONFIG_CURL', curl.found())
1445 config_host_data.set('CONFIG_CURSES', curses.found())
1446 config_host_data.set('CONFIG_GBM', gbm.found())
1447 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1448 if glusterfs.found()
1449   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1450   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1451   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1452   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1453   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1454   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1455 endif
1456 config_host_data.set('CONFIG_GTK', gtk.found())
1457 config_host_data.set('CONFIG_VTE', vte.found())
1458 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1459 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1460 config_host_data.set('CONFIG_EBPF', libbpf.found())
1461 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1462 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1463 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1464 config_host_data.set('CONFIG_LINUX_AIO', libaio.found())
1465 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1466 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1467 config_host_data.set('CONFIG_RBD', rbd.found())
1468 config_host_data.set('CONFIG_SDL', sdl.found())
1469 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1470 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1471 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1472 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1473 config_host_data.set('CONFIG_VDE', vde.found())
1474 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1475 config_host_data.set('CONFIG_VNC', vnc.found())
1476 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1477 config_host_data.set('CONFIG_VNC_PNG', png.found())
1478 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1479 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1480 config_host_data.set('CONFIG_VTE', vte.found())
1481 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1482 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1483 config_host_data.set('CONFIG_GETTID', has_gettid)
1484 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1485 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1486 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1487 config_host_data.set('CONFIG_NETTLE', nettle.found())
1488 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1489 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1490 config_host_data.set('CONFIG_STATX', has_statx)
1491 config_host_data.set('CONFIG_ZSTD', zstd.found())
1492 config_host_data.set('CONFIG_FUSE', fuse.found())
1493 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1494 config_host_data.set('CONFIG_SPICE_PROTOCOL', spice_protocol.found())
1495 config_host_data.set('CONFIG_SPICE', spice.found())
1496 config_host_data.set('CONFIG_X11', x11.found())
1497 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1498 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1499 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1500 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1501 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1502
1503 config_host_data.set_quoted('CONFIG_HOST_DSOSUF', host_dsosuf)
1504 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1505 config_host_data.set('HOST_WORDS_BIGENDIAN', host_machine.endian() == 'big')
1506
1507 # has_header
1508 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1509 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1510 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1511 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1512 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1513 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1514 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1515 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1516 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1517
1518 # has_function
1519 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1520 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1521 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1522 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1523 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1524 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
1525 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1526 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1527 config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1528 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1529 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1530 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1531 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1532 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1533 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1534 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1535 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1536 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1537 if rdma.found()
1538   config_host_data.set('HAVE_IBV_ADVISE_MR',
1539                        cc.has_function('ibv_advise_mr',
1540                                        args: config_host['RDMA_LIBS'].split(),
1541                                        prefix: '#include <infiniband/verbs.h>'))
1542 endif
1543
1544 # has_header_symbol
1545 config_host_data.set('CONFIG_BYTESWAP_H',
1546                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1547 config_host_data.set('CONFIG_EPOLL_CREATE1',
1548                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1549 config_host_data.set('CONFIG_HAS_ENVIRON',
1550                      cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1551 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1552                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1553                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1554 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1555                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1556 config_host_data.set('CONFIG_FIEMAP',
1557                      cc.has_header('linux/fiemap.h') and
1558                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1559 config_host_data.set('CONFIG_GETRANDOM',
1560                      cc.has_function('getrandom') and
1561                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1562 config_host_data.set('CONFIG_INOTIFY',
1563                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1564 config_host_data.set('CONFIG_INOTIFY1',
1565                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1566 config_host_data.set('CONFIG_IOVEC',
1567                      cc.has_header_symbol('sys/uio.h', 'struct iovec'))
1568 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1569                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1570                                           prefix: '''#include <sys/endian.h>
1571                                                      #include <sys/types.h>'''))
1572 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1573                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1574 config_host_data.set('CONFIG_RTNETLINK',
1575                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1576 config_host_data.set('CONFIG_SYSMACROS',
1577                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1578 config_host_data.set('HAVE_OPTRESET',
1579                      cc.has_header_symbol('getopt.h', 'optreset'))
1580 config_host_data.set('HAVE_UTMPX',
1581                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
1582 config_host_data.set('HAVE_IPPROTO_MPTCP',
1583                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1584
1585 # has_member
1586 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1587                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1588                                    prefix: '#include <signal.h>'))
1589 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1590                      cc.has_member('struct stat', 'st_atim',
1591                                    prefix: '#include <sys/stat.h>'))
1592
1593 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1594   #include <sys/eventfd.h>
1595   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1596 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1597   #include <unistd.h>
1598   int main(void) {
1599   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1600   return fdatasync(0);
1601   #else
1602   #error Not supported
1603   #endif
1604   }'''))
1605 config_host_data.set('CONFIG_MADVISE', cc.links(gnu_source_prefix + '''
1606   #include <sys/types.h>
1607   #include <sys/mman.h>
1608   #include <stddef.h>
1609   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1610 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1611   #include <sys/mman.h>
1612   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1613 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1614   #include <fcntl.h>
1615   #if !defined(AT_EMPTY_PATH)
1616   # error missing definition
1617   #else
1618   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1619   #endif'''))
1620 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1621   #include <unistd.h>
1622   #include <fcntl.h>
1623
1624   int main(void)
1625   {
1626       int pipefd[2];
1627       return pipe2(pipefd, O_CLOEXEC);
1628   }'''))
1629 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1630   #include <sys/mman.h>
1631   #include <stddef.h>
1632   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1633
1634 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_W_TID', cc.links('''
1635   #include <pthread.h>
1636
1637   static void *f(void *p) { return NULL; }
1638   int main(void)
1639   {
1640     pthread_t thread;
1641     pthread_create(&thread, 0, f, 0);
1642     pthread_setname_np(thread, "QEMU");
1643     return 0;
1644   }''', dependencies: threads))
1645 config_host_data.set('CONFIG_PTHREAD_SETNAME_NP_WO_TID', cc.links('''
1646   #include <pthread.h>
1647
1648   static void *f(void *p) { pthread_setname_np("QEMU"); return NULL; }
1649   int main(void)
1650   {
1651     pthread_t thread;
1652     pthread_create(&thread, 0, f, 0);
1653     return 0;
1654   }''', dependencies: threads))
1655
1656 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1657   #include <sys/signalfd.h>
1658   #include <stddef.h>
1659   int main(void) { return signalfd(-1, NULL, SFD_CLOEXEC); }'''))
1660 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1661   #include <unistd.h>
1662   #include <fcntl.h>
1663   #include <limits.h>
1664
1665   int main(void)
1666   {
1667     int len, fd = 0;
1668     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1669     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1670     return 0;
1671   }'''))
1672
1673 config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
1674   #include <sys/mman.h>
1675   int main(int argc, char *argv[]) {
1676     return mlockall(MCL_FUTURE);
1677   }'''))
1678
1679 have_netmap = false
1680 if not get_option('netmap').disabled() and have_system
1681   have_netmap = cc.compiles('''
1682     #include <inttypes.h>
1683     #include <net/if.h>
1684     #include <net/netmap.h>
1685     #include <net/netmap_user.h>
1686     #if (NETMAP_API < 11) || (NETMAP_API > 15)
1687     #error
1688     #endif
1689     int main(void) { return 0; }''')
1690   if not have_netmap and get_option('netmap').enabled()
1691     error('Netmap headers not available')
1692   endif
1693 endif
1694 config_host_data.set('CONFIG_NETMAP', have_netmap)
1695
1696 # Work around a system header bug with some kernel/XFS header
1697 # versions where they both try to define 'struct fsxattr':
1698 # xfs headers will not try to redefine structs from linux headers
1699 # if this macro is set.
1700 config_host_data.set('HAVE_FSXATTR', cc.links('''
1701   #include <linux/fs.h>'
1702   struct fsxattr foo;
1703   int main(void) {
1704     return 0;
1705   }'''))
1706
1707 # Some versions of Mac OS X incorrectly define SIZE_MAX
1708 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1709     #include <stdint.h>
1710     #include <stdio.h>
1711     int main(int argc, char *argv[]) {
1712         return printf("%zu", SIZE_MAX);
1713     }''', args: ['-Werror']))
1714
1715 # See if 64-bit atomic operations are supported.
1716 # Note that without __atomic builtins, we can only
1717 # assume atomic loads/stores max at pointer size.
1718 config_host_data.set('CONFIG_ATOMIC64', cc.links('''
1719   #include <stdint.h>
1720   int main(void)
1721   {
1722     uint64_t x = 0, y = 0;
1723     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
1724     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
1725     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
1726     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
1727     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
1728     return 0;
1729   }'''))
1730
1731 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
1732   #include <sys/auxv.h>
1733   int main(void) {
1734     return getauxval(AT_HWCAP) == 0;
1735   }'''))
1736
1737 config_host_data.set('CONFIG_AF_VSOCK', cc.compiles(gnu_source_prefix + '''
1738   #include <errno.h>
1739   #include <sys/types.h>
1740   #include <sys/socket.h>
1741   #if !defined(AF_VSOCK)
1742   # error missing AF_VSOCK flag
1743   #endif
1744   #include <linux/vm_sockets.h>
1745   int main(void) {
1746     int sock, ret;
1747     struct sockaddr_vm svm;
1748     socklen_t len = sizeof(svm);
1749     sock = socket(AF_VSOCK, SOCK_STREAM, 0);
1750     ret = getpeername(sock, (struct sockaddr *)&svm, &len);
1751     if ((ret == -1) && (errno == ENOTCONN)) {
1752         return 0;
1753     }
1754     return -1;
1755   }'''))
1756
1757 ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
1758     'HAVE_GDB_BIN']
1759 arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1760 strings = ['CONFIG_IASL']
1761 foreach k, v: config_host
1762   if ignored.contains(k)
1763     # do nothing
1764   elif arrays.contains(k)
1765     if v != ''
1766       v = '"' + '", "'.join(v.split()) + '", '
1767     endif
1768     config_host_data.set(k, v)
1769   elif k == 'ARCH'
1770     config_host_data.set('HOST_' + v.to_upper(), 1)
1771   elif strings.contains(k)
1772     config_host_data.set_quoted(k, v)
1773   elif k.startswith('CONFIG_')
1774     config_host_data.set(k, v == 'y' ? 1 : v)
1775   endif
1776 endforeach
1777
1778 ########################
1779 # Target configuration #
1780 ########################
1781
1782 minikconf = find_program('scripts/minikconf.py')
1783 config_all = {}
1784 config_all_devices = {}
1785 config_all_disas = {}
1786 config_devices_mak_list = []
1787 config_devices_h = {}
1788 config_target_h = {}
1789 config_target_mak = {}
1790
1791 disassemblers = {
1792   'alpha' : ['CONFIG_ALPHA_DIS'],
1793   'arm' : ['CONFIG_ARM_DIS'],
1794   'avr' : ['CONFIG_AVR_DIS'],
1795   'cris' : ['CONFIG_CRIS_DIS'],
1796   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1797   'hppa' : ['CONFIG_HPPA_DIS'],
1798   'i386' : ['CONFIG_I386_DIS'],
1799   'x86_64' : ['CONFIG_I386_DIS'],
1800   'x32' : ['CONFIG_I386_DIS'],
1801   'm68k' : ['CONFIG_M68K_DIS'],
1802   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1803   'mips' : ['CONFIG_MIPS_DIS'],
1804   'nios2' : ['CONFIG_NIOS2_DIS'],
1805   'or1k' : ['CONFIG_OPENRISC_DIS'],
1806   'ppc' : ['CONFIG_PPC_DIS'],
1807   'riscv' : ['CONFIG_RISCV_DIS'],
1808   'rx' : ['CONFIG_RX_DIS'],
1809   's390' : ['CONFIG_S390_DIS'],
1810   'sh4' : ['CONFIG_SH4_DIS'],
1811   'sparc' : ['CONFIG_SPARC_DIS'],
1812   'xtensa' : ['CONFIG_XTENSA_DIS'],
1813 }
1814 if link_language == 'cpp'
1815   disassemblers += {
1816     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1817     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1818     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1819   }
1820 endif
1821
1822 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
1823 host_kconfig = \
1824   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
1825   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1826   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
1827   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
1828   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1829   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1830   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1831   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1832   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1833   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1834   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1835   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1836   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1837
1838 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1839
1840 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1841 actual_target_dirs = []
1842 fdt_required = []
1843 foreach target : target_dirs
1844   config_target = { 'TARGET_NAME': target.split('-')[0] }
1845   if target.endswith('linux-user')
1846     if targetos != 'linux'
1847       if default_targets
1848         continue
1849       endif
1850       error('Target @0@ is only available on a Linux host'.format(target))
1851     endif
1852     config_target += { 'CONFIG_LINUX_USER': 'y' }
1853   elif target.endswith('bsd-user')
1854     if 'CONFIG_BSD' not in config_host
1855       if default_targets
1856         continue
1857       endif
1858       error('Target @0@ is only available on a BSD host'.format(target))
1859     endif
1860     config_target += { 'CONFIG_BSD_USER': 'y' }
1861   elif target.endswith('softmmu')
1862     config_target += { 'CONFIG_SOFTMMU': 'y' }
1863   endif
1864   if target.endswith('-user')
1865     config_target += {
1866       'CONFIG_USER_ONLY': 'y',
1867       'CONFIG_QEMU_INTERP_PREFIX':
1868         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1869     }
1870   endif
1871
1872   accel_kconfig = []
1873   foreach sym: accelerators
1874     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1875       config_target += { sym: 'y' }
1876       config_all += { sym: 'y' }
1877       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1878         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1879       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1880         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1881       endif
1882       if target in modular_tcg
1883         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
1884       else
1885         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
1886       endif
1887       accel_kconfig += [ sym + '=y' ]
1888     endif
1889   endforeach
1890   if accel_kconfig.length() == 0
1891     if default_targets
1892       continue
1893     endif
1894     error('No accelerator available for target @0@'.format(target))
1895   endif
1896
1897   actual_target_dirs += target
1898   config_target += keyval.load('configs/targets' / target + '.mak')
1899   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1900
1901   if 'TARGET_NEED_FDT' in config_target
1902     fdt_required += target
1903   endif
1904
1905   # Add default keys
1906   if 'TARGET_BASE_ARCH' not in config_target
1907     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1908   endif
1909   if 'TARGET_ABI_DIR' not in config_target
1910     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1911   endif
1912
1913   foreach k, v: disassemblers
1914     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1915       foreach sym: v
1916         config_target += { sym: 'y' }
1917         config_all_disas += { sym: 'y' }
1918       endforeach
1919     endif
1920   endforeach
1921
1922   config_target_data = configuration_data()
1923   foreach k, v: config_target
1924     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1925       # do nothing
1926     elif ignored.contains(k)
1927       # do nothing
1928     elif k == 'TARGET_BASE_ARCH'
1929       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1930       # not used to select files from sourcesets.
1931       config_target_data.set('TARGET_' + v.to_upper(), 1)
1932     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1933       config_target_data.set_quoted(k, v)
1934     elif v == 'y'
1935       config_target_data.set(k, 1)
1936     else
1937       config_target_data.set(k, v)
1938     endif
1939   endforeach
1940   config_target_data.set('QEMU_ARCH',
1941                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
1942   config_target_h += {target: configure_file(output: target + '-config-target.h',
1943                                                configuration: config_target_data)}
1944
1945   if target.endswith('-softmmu')
1946     config_input = meson.get_external_property(target, 'default')
1947     config_devices_mak = target + '-config-devices.mak'
1948     config_devices_mak = configure_file(
1949       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
1950       output: config_devices_mak,
1951       depfile: config_devices_mak + '.d',
1952       capture: true,
1953       command: [minikconf,
1954                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1955                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1956                 host_kconfig, accel_kconfig,
1957                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
1958
1959     config_devices_data = configuration_data()
1960     config_devices = keyval.load(config_devices_mak)
1961     foreach k, v: config_devices
1962       config_devices_data.set(k, 1)
1963     endforeach
1964     config_devices_mak_list += config_devices_mak
1965     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1966                                                 configuration: config_devices_data)}
1967     config_target += config_devices
1968     config_all_devices += config_devices
1969   endif
1970   config_target_mak += {target: config_target}
1971 endforeach
1972 target_dirs = actual_target_dirs
1973
1974 # This configuration is used to build files that are shared by
1975 # multiple binaries, and then extracted out of the "common"
1976 # static_library target.
1977 #
1978 # We do not use all_sources()/all_dependencies(), because it would
1979 # build literally all source files, including devices only used by
1980 # targets that are not built for this compilation.  The CONFIG_ALL
1981 # pseudo symbol replaces it.
1982
1983 config_all += config_all_devices
1984 config_all += config_host
1985 config_all += config_all_disas
1986 config_all += {
1987   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1988   'CONFIG_SOFTMMU': have_system,
1989   'CONFIG_USER_ONLY': have_user,
1990   'CONFIG_ALL': true,
1991 }
1992
1993 ##############
1994 # Submodules #
1995 ##############
1996
1997 capstone = not_found
1998 capstone_opt = get_option('capstone')
1999 if capstone_opt in ['enabled', 'auto', 'system']
2000   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
2001   capstone = dependency('capstone', version: '>=4.0',
2002                         kwargs: static_kwargs, method: 'pkg-config',
2003                         required: capstone_opt == 'system' or
2004                                   capstone_opt == 'enabled' and not have_internal)
2005
2006   # Some versions of capstone have broken pkg-config file
2007   # that reports a wrong -I path, causing the #include to
2008   # fail later. If the system has such a broken version
2009   # do not use it.
2010   if capstone.found() and not cc.compiles('#include <capstone.h>',
2011                                           dependencies: [capstone])
2012     capstone = not_found
2013     if capstone_opt == 'system'
2014       error('system capstone requested, it does not appear to work')
2015     endif
2016   endif
2017
2018   if capstone.found()
2019     capstone_opt = 'system'
2020   elif have_internal
2021     capstone_opt = 'internal'
2022   else
2023     capstone_opt = 'disabled'
2024   endif
2025 endif
2026 if capstone_opt == 'internal'
2027   capstone_data = configuration_data()
2028   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
2029
2030   capstone_files = files(
2031     'capstone/cs.c',
2032     'capstone/MCInst.c',
2033     'capstone/MCInstrDesc.c',
2034     'capstone/MCRegisterInfo.c',
2035     'capstone/SStream.c',
2036     'capstone/utils.c'
2037   )
2038
2039   if 'CONFIG_ARM_DIS' in config_all_disas
2040     capstone_data.set('CAPSTONE_HAS_ARM', '1')
2041     capstone_files += files(
2042       'capstone/arch/ARM/ARMDisassembler.c',
2043       'capstone/arch/ARM/ARMInstPrinter.c',
2044       'capstone/arch/ARM/ARMMapping.c',
2045       'capstone/arch/ARM/ARMModule.c'
2046     )
2047   endif
2048
2049   # FIXME: This config entry currently depends on a c++ compiler.
2050   # Which is needed for building libvixl, but not for capstone.
2051   if 'CONFIG_ARM_A64_DIS' in config_all_disas
2052     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
2053     capstone_files += files(
2054       'capstone/arch/AArch64/AArch64BaseInfo.c',
2055       'capstone/arch/AArch64/AArch64Disassembler.c',
2056       'capstone/arch/AArch64/AArch64InstPrinter.c',
2057       'capstone/arch/AArch64/AArch64Mapping.c',
2058       'capstone/arch/AArch64/AArch64Module.c'
2059     )
2060   endif
2061
2062   if 'CONFIG_PPC_DIS' in config_all_disas
2063     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
2064     capstone_files += files(
2065       'capstone/arch/PowerPC/PPCDisassembler.c',
2066       'capstone/arch/PowerPC/PPCInstPrinter.c',
2067       'capstone/arch/PowerPC/PPCMapping.c',
2068       'capstone/arch/PowerPC/PPCModule.c'
2069     )
2070   endif
2071
2072   if 'CONFIG_S390_DIS' in config_all_disas
2073     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
2074     capstone_files += files(
2075       'capstone/arch/SystemZ/SystemZDisassembler.c',
2076       'capstone/arch/SystemZ/SystemZInstPrinter.c',
2077       'capstone/arch/SystemZ/SystemZMapping.c',
2078       'capstone/arch/SystemZ/SystemZModule.c',
2079       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
2080     )
2081   endif
2082
2083   if 'CONFIG_I386_DIS' in config_all_disas
2084     capstone_data.set('CAPSTONE_HAS_X86', 1)
2085     capstone_files += files(
2086       'capstone/arch/X86/X86Disassembler.c',
2087       'capstone/arch/X86/X86DisassemblerDecoder.c',
2088       'capstone/arch/X86/X86ATTInstPrinter.c',
2089       'capstone/arch/X86/X86IntelInstPrinter.c',
2090       'capstone/arch/X86/X86InstPrinterCommon.c',
2091       'capstone/arch/X86/X86Mapping.c',
2092       'capstone/arch/X86/X86Module.c'
2093     )
2094   endif
2095
2096   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
2097
2098   capstone_cargs = [
2099     # FIXME: There does not seem to be a way to completely replace the c_args
2100     # that come from add_project_arguments() -- we can only add to them.
2101     # So: disable all warnings with a big hammer.
2102     '-Wno-error', '-w',
2103
2104     # Include all configuration defines via a header file, which will wind up
2105     # as a dependency on the object file, and thus changes here will result
2106     # in a rebuild.
2107     '-include', 'capstone-defs.h'
2108   ]
2109
2110   libcapstone = static_library('capstone',
2111                                build_by_default: false,
2112                                sources: capstone_files,
2113                                c_args: capstone_cargs,
2114                                include_directories: 'capstone/include')
2115   capstone = declare_dependency(link_with: libcapstone,
2116                                 include_directories: 'capstone/include/capstone')
2117 endif
2118
2119 slirp = not_found
2120 slirp_opt = 'disabled'
2121 if have_system
2122   slirp_opt = get_option('slirp')
2123   if slirp_opt in ['enabled', 'auto', 'system']
2124     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
2125     slirp = dependency('slirp', kwargs: static_kwargs,
2126                        method: 'pkg-config',
2127                        required: slirp_opt == 'system' or
2128                                  slirp_opt == 'enabled' and not have_internal)
2129     if slirp.found()
2130       slirp_opt = 'system'
2131     elif have_internal
2132       slirp_opt = 'internal'
2133     else
2134       slirp_opt = 'disabled'
2135     endif
2136   endif
2137   if slirp_opt == 'internal'
2138     slirp_deps = []
2139     if targetos == 'windows'
2140       slirp_deps = cc.find_library('iphlpapi')
2141     elif targetos == 'darwin'
2142       slirp_deps = cc.find_library('resolv')
2143     endif
2144     slirp_conf = configuration_data()
2145     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
2146     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
2147     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
2148     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
2149     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
2150     slirp_files = [
2151       'slirp/src/arp_table.c',
2152       'slirp/src/bootp.c',
2153       'slirp/src/cksum.c',
2154       'slirp/src/dhcpv6.c',
2155       'slirp/src/dnssearch.c',
2156       'slirp/src/if.c',
2157       'slirp/src/ip6_icmp.c',
2158       'slirp/src/ip6_input.c',
2159       'slirp/src/ip6_output.c',
2160       'slirp/src/ip_icmp.c',
2161       'slirp/src/ip_input.c',
2162       'slirp/src/ip_output.c',
2163       'slirp/src/mbuf.c',
2164       'slirp/src/misc.c',
2165       'slirp/src/ncsi.c',
2166       'slirp/src/ndp_table.c',
2167       'slirp/src/sbuf.c',
2168       'slirp/src/slirp.c',
2169       'slirp/src/socket.c',
2170       'slirp/src/state.c',
2171       'slirp/src/stream.c',
2172       'slirp/src/tcp_input.c',
2173       'slirp/src/tcp_output.c',
2174       'slirp/src/tcp_subr.c',
2175       'slirp/src/tcp_timer.c',
2176       'slirp/src/tftp.c',
2177       'slirp/src/udp.c',
2178       'slirp/src/udp6.c',
2179       'slirp/src/util.c',
2180       'slirp/src/version.c',
2181       'slirp/src/vmstate.c',
2182     ]
2183
2184     configure_file(
2185       input : 'slirp/src/libslirp-version.h.in',
2186       output : 'libslirp-version.h',
2187       configuration: slirp_conf)
2188
2189     slirp_inc = include_directories('slirp', 'slirp/src')
2190     libslirp = static_library('slirp',
2191                               build_by_default: false,
2192                               sources: slirp_files,
2193                               c_args: slirp_cargs,
2194                               include_directories: slirp_inc)
2195     slirp = declare_dependency(link_with: libslirp,
2196                                dependencies: slirp_deps,
2197                                include_directories: slirp_inc)
2198   endif
2199 endif
2200
2201 # For CFI, we need to compile slirp as a static library together with qemu.
2202 # This is because we register slirp functions as callbacks for QEMU Timers.
2203 # When using a system-wide shared libslirp, the type information for the
2204 # callback is missing and the timer call produces a false positive with CFI.
2205 #
2206 # Now that slirp_opt has been defined, check if the selected slirp is compatible
2207 # with control-flow integrity.
2208 if get_option('cfi') and slirp_opt == 'system'
2209   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
2210          + ' Please configure with --enable-slirp=git')
2211 endif
2212
2213 fdt = not_found
2214 fdt_opt = get_option('fdt')
2215 if have_system
2216   if fdt_opt in ['enabled', 'auto', 'system']
2217     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
2218     fdt = cc.find_library('fdt', kwargs: static_kwargs,
2219                           required: fdt_opt == 'system' or
2220                                     fdt_opt == 'enabled' and not have_internal)
2221     if fdt.found() and cc.links('''
2222        #include <libfdt.h>
2223        #include <libfdt_env.h>
2224        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
2225          dependencies: fdt)
2226       fdt_opt = 'system'
2227     elif fdt_opt == 'system'
2228        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
2229     elif have_internal
2230       fdt_opt = 'internal'
2231     else
2232       fdt_opt = 'disabled'
2233       fdt = not_found
2234     endif
2235   endif
2236   if fdt_opt == 'internal'
2237     fdt_files = files(
2238       'dtc/libfdt/fdt.c',
2239       'dtc/libfdt/fdt_ro.c',
2240       'dtc/libfdt/fdt_wip.c',
2241       'dtc/libfdt/fdt_sw.c',
2242       'dtc/libfdt/fdt_rw.c',
2243       'dtc/libfdt/fdt_strerror.c',
2244       'dtc/libfdt/fdt_empty_tree.c',
2245       'dtc/libfdt/fdt_addresses.c',
2246       'dtc/libfdt/fdt_overlay.c',
2247       'dtc/libfdt/fdt_check.c',
2248     )
2249
2250     fdt_inc = include_directories('dtc/libfdt')
2251     libfdt = static_library('fdt',
2252                             build_by_default: false,
2253                             sources: fdt_files,
2254                             include_directories: fdt_inc)
2255     fdt = declare_dependency(link_with: libfdt,
2256                              include_directories: fdt_inc)
2257   endif
2258 endif
2259 if not fdt.found() and fdt_required.length() > 0
2260   error('fdt not available but required by targets ' + ', '.join(fdt_required))
2261 endif
2262
2263 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
2264 config_host_data.set('CONFIG_FDT', fdt.found())
2265 config_host_data.set('CONFIG_SLIRP', slirp.found())
2266
2267 #####################
2268 # Generated sources #
2269 #####################
2270
2271 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
2272
2273 hxtool = find_program('scripts/hxtool')
2274 shaderinclude = find_program('scripts/shaderinclude.pl')
2275 qapi_gen = find_program('scripts/qapi-gen.py')
2276 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
2277                      meson.current_source_dir() / 'scripts/qapi/commands.py',
2278                      meson.current_source_dir() / 'scripts/qapi/common.py',
2279                      meson.current_source_dir() / 'scripts/qapi/error.py',
2280                      meson.current_source_dir() / 'scripts/qapi/events.py',
2281                      meson.current_source_dir() / 'scripts/qapi/expr.py',
2282                      meson.current_source_dir() / 'scripts/qapi/gen.py',
2283                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
2284                      meson.current_source_dir() / 'scripts/qapi/parser.py',
2285                      meson.current_source_dir() / 'scripts/qapi/schema.py',
2286                      meson.current_source_dir() / 'scripts/qapi/source.py',
2287                      meson.current_source_dir() / 'scripts/qapi/types.py',
2288                      meson.current_source_dir() / 'scripts/qapi/visit.py',
2289                      meson.current_source_dir() / 'scripts/qapi/common.py',
2290                      meson.current_source_dir() / 'scripts/qapi-gen.py'
2291 ]
2292
2293 tracetool = [
2294   python, files('scripts/tracetool.py'),
2295    '--backend=' + ','.join(get_option('trace_backends'))
2296 ]
2297 tracetool_depends = files(
2298   'scripts/tracetool/backend/log.py',
2299   'scripts/tracetool/backend/__init__.py',
2300   'scripts/tracetool/backend/dtrace.py',
2301   'scripts/tracetool/backend/ftrace.py',
2302   'scripts/tracetool/backend/simple.py',
2303   'scripts/tracetool/backend/syslog.py',
2304   'scripts/tracetool/backend/ust.py',
2305   'scripts/tracetool/format/tcg_h.py',
2306   'scripts/tracetool/format/ust_events_c.py',
2307   'scripts/tracetool/format/ust_events_h.py',
2308   'scripts/tracetool/format/__init__.py',
2309   'scripts/tracetool/format/d.py',
2310   'scripts/tracetool/format/tcg_helper_c.py',
2311   'scripts/tracetool/format/simpletrace_stap.py',
2312   'scripts/tracetool/format/c.py',
2313   'scripts/tracetool/format/h.py',
2314   'scripts/tracetool/format/tcg_helper_h.py',
2315   'scripts/tracetool/format/log_stap.py',
2316   'scripts/tracetool/format/stap.py',
2317   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
2318   'scripts/tracetool/__init__.py',
2319   'scripts/tracetool/transform.py',
2320   'scripts/tracetool/vcpu.py'
2321 )
2322
2323 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2324                     meson.current_source_dir(),
2325                     config_host['PKGVERSION'], meson.project_version()]
2326 qemu_version = custom_target('qemu-version.h',
2327                              output: 'qemu-version.h',
2328                              command: qemu_version_cmd,
2329                              capture: true,
2330                              build_by_default: true,
2331                              build_always_stale: true)
2332 genh += qemu_version
2333
2334 hxdep = []
2335 hx_headers = [
2336   ['qemu-options.hx', 'qemu-options.def'],
2337   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2338 ]
2339 if have_system
2340   hx_headers += [
2341     ['hmp-commands.hx', 'hmp-commands.h'],
2342     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2343   ]
2344 endif
2345 foreach d : hx_headers
2346   hxdep += custom_target(d[1],
2347                 input: files(d[0]),
2348                 output: d[1],
2349                 capture: true,
2350                 build_by_default: true, # to be removed when added to a target
2351                 command: [hxtool, '-h', '@INPUT0@'])
2352 endforeach
2353 genh += hxdep
2354
2355 ###################
2356 # Collect sources #
2357 ###################
2358
2359 authz_ss = ss.source_set()
2360 blockdev_ss = ss.source_set()
2361 block_ss = ss.source_set()
2362 bsd_user_ss = ss.source_set()
2363 chardev_ss = ss.source_set()
2364 common_ss = ss.source_set()
2365 crypto_ss = ss.source_set()
2366 hwcore_ss = ss.source_set()
2367 io_ss = ss.source_set()
2368 linux_user_ss = ss.source_set()
2369 qmp_ss = ss.source_set()
2370 qom_ss = ss.source_set()
2371 softmmu_ss = ss.source_set()
2372 specific_fuzz_ss = ss.source_set()
2373 specific_ss = ss.source_set()
2374 stub_ss = ss.source_set()
2375 trace_ss = ss.source_set()
2376 user_ss = ss.source_set()
2377 util_ss = ss.source_set()
2378
2379 # accel modules
2380 qtest_module_ss = ss.source_set()
2381 tcg_module_ss = ss.source_set()
2382
2383 modules = {}
2384 target_modules = {}
2385 hw_arch = {}
2386 target_arch = {}
2387 target_softmmu_arch = {}
2388 target_user_arch = {}
2389
2390 ###############
2391 # Trace files #
2392 ###############
2393
2394 # TODO: add each directory to the subdirs from its own meson.build, once
2395 # we have those
2396 trace_events_subdirs = [
2397   'crypto',
2398   'qapi',
2399   'qom',
2400   'monitor',
2401   'util',
2402 ]
2403 if have_user
2404   trace_events_subdirs += [ 'linux-user' ]
2405 endif
2406 if have_block
2407   trace_events_subdirs += [
2408     'authz',
2409     'block',
2410     'io',
2411     'nbd',
2412     'scsi',
2413   ]
2414 endif
2415 if have_system
2416   trace_events_subdirs += [
2417     'accel/kvm',
2418     'audio',
2419     'backends',
2420     'backends/tpm',
2421     'chardev',
2422     'ebpf',
2423     'hw/9pfs',
2424     'hw/acpi',
2425     'hw/adc',
2426     'hw/alpha',
2427     'hw/arm',
2428     'hw/audio',
2429     'hw/block',
2430     'hw/block/dataplane',
2431     'hw/char',
2432     'hw/display',
2433     'hw/dma',
2434     'hw/hppa',
2435     'hw/hyperv',
2436     'hw/i2c',
2437     'hw/i386',
2438     'hw/i386/xen',
2439     'hw/ide',
2440     'hw/input',
2441     'hw/intc',
2442     'hw/isa',
2443     'hw/mem',
2444     'hw/mips',
2445     'hw/misc',
2446     'hw/misc/macio',
2447     'hw/net',
2448     'hw/net/can',
2449     'hw/nubus',
2450     'hw/nvme',
2451     'hw/nvram',
2452     'hw/pci',
2453     'hw/pci-host',
2454     'hw/ppc',
2455     'hw/rdma',
2456     'hw/rdma/vmw',
2457     'hw/rtc',
2458     'hw/s390x',
2459     'hw/scsi',
2460     'hw/sd',
2461     'hw/sh4',
2462     'hw/sparc',
2463     'hw/sparc64',
2464     'hw/ssi',
2465     'hw/timer',
2466     'hw/tpm',
2467     'hw/usb',
2468     'hw/vfio',
2469     'hw/virtio',
2470     'hw/watchdog',
2471     'hw/xen',
2472     'hw/gpio',
2473     'migration',
2474     'net',
2475     'softmmu',
2476     'ui',
2477     'hw/remote',
2478   ]
2479 endif
2480 if have_system or have_user
2481   trace_events_subdirs += [
2482     'accel/tcg',
2483     'hw/core',
2484     'target/arm',
2485     'target/arm/hvf',
2486     'target/hppa',
2487     'target/i386',
2488     'target/i386/kvm',
2489     'target/mips/tcg',
2490     'target/ppc',
2491     'target/riscv',
2492     'target/s390x',
2493     'target/s390x/kvm',
2494     'target/sparc',
2495   ]
2496 endif
2497
2498 vhost_user = not_found
2499 if 'CONFIG_VHOST_USER' in config_host
2500   libvhost_user = subproject('libvhost-user')
2501   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2502 endif
2503
2504 subdir('qapi')
2505 subdir('qobject')
2506 subdir('stubs')
2507 subdir('trace')
2508 subdir('util')
2509 subdir('qom')
2510 subdir('authz')
2511 subdir('crypto')
2512 subdir('ui')
2513
2514
2515 if enable_modules
2516   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2517   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2518 endif
2519
2520 stub_ss = stub_ss.apply(config_all, strict: false)
2521
2522 util_ss.add_all(trace_ss)
2523 util_ss = util_ss.apply(config_all, strict: false)
2524 libqemuutil = static_library('qemuutil',
2525                              sources: util_ss.sources() + stub_ss.sources() + genh,
2526                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2527 qemuutil = declare_dependency(link_with: libqemuutil,
2528                               sources: genh + version_res)
2529
2530 if have_system or have_user
2531   decodetree = generator(find_program('scripts/decodetree.py'),
2532                          output: 'decode-@BASENAME@.c.inc',
2533                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2534   subdir('libdecnumber')
2535   subdir('target')
2536 endif
2537
2538 subdir('audio')
2539 subdir('io')
2540 subdir('chardev')
2541 subdir('fsdev')
2542 subdir('dump')
2543
2544 if have_block
2545   block_ss.add(files(
2546     'block.c',
2547     'blockjob.c',
2548     'job.c',
2549     'qemu-io-cmds.c',
2550   ))
2551   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
2552
2553   subdir('nbd')
2554   subdir('scsi')
2555   subdir('block')
2556
2557   blockdev_ss.add(files(
2558     'blockdev.c',
2559     'blockdev-nbd.c',
2560     'iothread.c',
2561     'job-qmp.c',
2562   ), gnutls)
2563
2564   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2565   # os-win32.c does not
2566   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2567   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2568 endif
2569
2570 common_ss.add(files('cpus-common.c'))
2571
2572 subdir('softmmu')
2573
2574 common_ss.add(capstone)
2575 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2576
2577 # Work around a gcc bug/misfeature wherein constant propagation looks
2578 # through an alias:
2579 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2580 # to guess that a const variable is always zero.  Without lto, this is
2581 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2582 # without lto, not even the alias is required -- we simply use different
2583 # declarations in different compilation units.
2584 pagevary = files('page-vary-common.c')
2585 if get_option('b_lto')
2586   pagevary_flags = ['-fno-lto']
2587   if get_option('cfi')
2588     pagevary_flags += '-fno-sanitize=cfi-icall'
2589   endif
2590   pagevary = static_library('page-vary-common', sources: pagevary,
2591                             c_args: pagevary_flags)
2592   pagevary = declare_dependency(link_with: pagevary)
2593 endif
2594 common_ss.add(pagevary)
2595 specific_ss.add(files('page-vary.c'))
2596
2597 subdir('backends')
2598 subdir('disas')
2599 subdir('migration')
2600 subdir('monitor')
2601 subdir('net')
2602 subdir('replay')
2603 subdir('semihosting')
2604 subdir('hw')
2605 subdir('tcg')
2606 subdir('fpu')
2607 subdir('accel')
2608 subdir('plugins')
2609 subdir('bsd-user')
2610 subdir('linux-user')
2611 subdir('ebpf')
2612
2613 common_ss.add(libbpf)
2614
2615 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2616
2617 linux_user_ss.add(files('thunk.c'))
2618 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2619
2620 # needed for fuzzing binaries
2621 subdir('tests/qtest/libqos')
2622 subdir('tests/qtest/fuzz')
2623
2624 # accel modules
2625 tcg_real_module_ss = ss.source_set()
2626 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2627 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2628 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2629                                 'tcg': tcg_real_module_ss }}
2630
2631 ########################
2632 # Library dependencies #
2633 ########################
2634
2635 modinfo_collect = find_program('scripts/modinfo-collect.py')
2636 modinfo_generate = find_program('scripts/modinfo-generate.py')
2637 modinfo_files = []
2638
2639 block_mods = []
2640 softmmu_mods = []
2641 foreach d, list : modules
2642   foreach m, module_ss : list
2643     if enable_modules and targetos != 'windows'
2644       module_ss = module_ss.apply(config_all, strict: false)
2645       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2646                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2647       if d == 'block'
2648         block_mods += sl
2649       else
2650         softmmu_mods += sl
2651       endif
2652       if module_ss.sources() != []
2653         # FIXME: Should use sl.extract_all_objects(recursive: true) as
2654         # input. Sources can be used multiple times but objects are
2655         # unique when it comes to lookup in compile_commands.json.
2656         # Depnds on a mesion version with
2657         # https://github.com/mesonbuild/meson/pull/8900
2658         modinfo_files += custom_target(d + '-' + m + '.modinfo',
2659                                        output: d + '-' + m + '.modinfo',
2660                                        input: module_ss.sources() + genh,
2661                                        capture: true,
2662                                        command: [modinfo_collect, module_ss.sources()])
2663       endif
2664     else
2665       if d == 'block'
2666         block_ss.add_all(module_ss)
2667       else
2668         softmmu_ss.add_all(module_ss)
2669       endif
2670     endif
2671   endforeach
2672 endforeach
2673
2674 foreach d, list : target_modules
2675   foreach m, module_ss : list
2676     if enable_modules and targetos != 'windows'
2677       foreach target : target_dirs
2678         if target.endswith('-softmmu')
2679           config_target = config_target_mak[target]
2680           config_target += config_host
2681           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2682           c_args = ['-DNEED_CPU_H',
2683                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2684                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2685           target_module_ss = module_ss.apply(config_target, strict: false)
2686           if target_module_ss.sources() != []
2687             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2688             sl = static_library(module_name,
2689                                 [genh, target_module_ss.sources()],
2690                                 dependencies: [modulecommon, target_module_ss.dependencies()],
2691                                 include_directories: target_inc,
2692                                 c_args: c_args,
2693                                 pic: true)
2694             softmmu_mods += sl
2695             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2696             modinfo_files += custom_target(module_name + '.modinfo',
2697                                            output: module_name + '.modinfo',
2698                                            input: target_module_ss.sources() + genh,
2699                                            capture: true,
2700                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2701           endif
2702         endif
2703       endforeach
2704     else
2705       specific_ss.add_all(module_ss)
2706     endif
2707   endforeach
2708 endforeach
2709
2710 if enable_modules
2711   modinfo_src = custom_target('modinfo.c',
2712                               output: 'modinfo.c',
2713                               input: modinfo_files,
2714                               command: [modinfo_generate, '@INPUT@'],
2715                               capture: true)
2716   modinfo_lib = static_library('modinfo', modinfo_src)
2717   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2718   softmmu_ss.add(modinfo_dep)
2719 endif
2720
2721 nm = find_program('nm')
2722 undefsym = find_program('scripts/undefsym.py')
2723 block_syms = custom_target('block.syms', output: 'block.syms',
2724                              input: [libqemuutil, block_mods],
2725                              capture: true,
2726                              command: [undefsym, nm, '@INPUT@'])
2727 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2728                              input: [libqemuutil, softmmu_mods],
2729                              capture: true,
2730                              command: [undefsym, nm, '@INPUT@'])
2731
2732 qom_ss = qom_ss.apply(config_host, strict: false)
2733 libqom = static_library('qom', qom_ss.sources() + genh,
2734                         dependencies: [qom_ss.dependencies()],
2735                         name_suffix: 'fa')
2736
2737 qom = declare_dependency(link_whole: libqom)
2738
2739 authz_ss = authz_ss.apply(config_host, strict: false)
2740 libauthz = static_library('authz', authz_ss.sources() + genh,
2741                           dependencies: [authz_ss.dependencies()],
2742                           name_suffix: 'fa',
2743                           build_by_default: false)
2744
2745 authz = declare_dependency(link_whole: libauthz,
2746                            dependencies: qom)
2747
2748 crypto_ss = crypto_ss.apply(config_host, strict: false)
2749 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2750                            dependencies: [crypto_ss.dependencies()],
2751                            name_suffix: 'fa',
2752                            build_by_default: false)
2753
2754 crypto = declare_dependency(link_whole: libcrypto,
2755                             dependencies: [authz, qom])
2756
2757 io_ss = io_ss.apply(config_host, strict: false)
2758 libio = static_library('io', io_ss.sources() + genh,
2759                        dependencies: [io_ss.dependencies()],
2760                        link_with: libqemuutil,
2761                        name_suffix: 'fa',
2762                        build_by_default: false)
2763
2764 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2765
2766 libmigration = static_library('migration', sources: migration_files + genh,
2767                               name_suffix: 'fa',
2768                               build_by_default: false)
2769 migration = declare_dependency(link_with: libmigration,
2770                                dependencies: [zlib, qom, io])
2771 softmmu_ss.add(migration)
2772
2773 block_ss = block_ss.apply(config_host, strict: false)
2774 libblock = static_library('block', block_ss.sources() + genh,
2775                           dependencies: block_ss.dependencies(),
2776                           link_depends: block_syms,
2777                           name_suffix: 'fa',
2778                           build_by_default: false)
2779
2780 block = declare_dependency(link_whole: [libblock],
2781                            link_args: '@block.syms',
2782                            dependencies: [crypto, io])
2783
2784 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2785 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2786                              dependencies: blockdev_ss.dependencies(),
2787                              name_suffix: 'fa',
2788                              build_by_default: false)
2789
2790 blockdev = declare_dependency(link_whole: [libblockdev],
2791                               dependencies: [block])
2792
2793 qmp_ss = qmp_ss.apply(config_host, strict: false)
2794 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2795                         dependencies: qmp_ss.dependencies(),
2796                         name_suffix: 'fa',
2797                         build_by_default: false)
2798
2799 qmp = declare_dependency(link_whole: [libqmp])
2800
2801 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2802                             name_suffix: 'fa',
2803                             dependencies: [gnutls],
2804                             build_by_default: false)
2805
2806 chardev = declare_dependency(link_whole: libchardev)
2807
2808 hwcore_ss = hwcore_ss.apply(config_host, strict: false)
2809 libhwcore = static_library('hwcore', sources: hwcore_ss.sources() + genh,
2810                            name_suffix: 'fa',
2811                            build_by_default: false)
2812 hwcore = declare_dependency(link_whole: libhwcore)
2813 common_ss.add(hwcore)
2814
2815 ###########
2816 # Targets #
2817 ###########
2818
2819 foreach m : block_mods + softmmu_mods
2820   shared_module(m.name(),
2821                 name_prefix: '',
2822                 link_whole: m,
2823                 install: true,
2824                 install_dir: qemu_moddir)
2825 endforeach
2826
2827 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2828 common_ss.add(qom, qemuutil)
2829
2830 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2831 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2832
2833 common_all = common_ss.apply(config_all, strict: false)
2834 common_all = static_library('common',
2835                             build_by_default: false,
2836                             sources: common_all.sources() + genh,
2837                             implicit_include_directories: false,
2838                             dependencies: common_all.dependencies(),
2839                             name_suffix: 'fa')
2840
2841 feature_to_c = find_program('scripts/feature_to_c.sh')
2842
2843 emulators = {}
2844 foreach target : target_dirs
2845   config_target = config_target_mak[target]
2846   target_name = config_target['TARGET_NAME']
2847   arch = config_target['TARGET_BASE_ARCH']
2848   arch_srcs = [config_target_h[target]]
2849   arch_deps = []
2850   c_args = ['-DNEED_CPU_H',
2851             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2852             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2853   link_args = emulator_link_args
2854
2855   config_target += config_host
2856   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2857   if targetos == 'linux'
2858     target_inc += include_directories('linux-headers', is_system: true)
2859   endif
2860   if target.endswith('-softmmu')
2861     qemu_target_name = 'qemu-system-' + target_name
2862     target_type='system'
2863     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2864     arch_srcs += t.sources()
2865     arch_deps += t.dependencies()
2866
2867     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2868     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2869     arch_srcs += hw.sources()
2870     arch_deps += hw.dependencies()
2871
2872     arch_srcs += config_devices_h[target]
2873     link_args += ['@block.syms', '@qemu.syms']
2874   else
2875     abi = config_target['TARGET_ABI_DIR']
2876     target_type='user'
2877     qemu_target_name = 'qemu-' + target_name
2878     if arch in target_user_arch
2879       t = target_user_arch[arch].apply(config_target, strict: false)
2880       arch_srcs += t.sources()
2881       arch_deps += t.dependencies()
2882     endif
2883     if 'CONFIG_LINUX_USER' in config_target
2884       base_dir = 'linux-user'
2885       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2886     endif
2887     if 'CONFIG_BSD_USER' in config_target
2888       base_dir = 'bsd-user'
2889       target_inc += include_directories('bsd-user/' / targetos)
2890       dir = base_dir / abi
2891       arch_srcs += files(dir / 'target_arch_cpu.c')
2892     endif
2893     target_inc += include_directories(
2894       base_dir,
2895       base_dir / abi,
2896     )
2897     if 'CONFIG_LINUX_USER' in config_target
2898       dir = base_dir / abi
2899       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2900       if config_target.has_key('TARGET_SYSTBL_ABI')
2901         arch_srcs += \
2902           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2903                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2904       endif
2905     endif
2906   endif
2907
2908   if 'TARGET_XML_FILES' in config_target
2909     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2910                                 output: target + '-gdbstub-xml.c',
2911                                 input: files(config_target['TARGET_XML_FILES'].split()),
2912                                 command: [feature_to_c, '@INPUT@'],
2913                                 capture: true)
2914     arch_srcs += gdbstub_xml
2915   endif
2916
2917   t = target_arch[arch].apply(config_target, strict: false)
2918   arch_srcs += t.sources()
2919   arch_deps += t.dependencies()
2920
2921   target_common = common_ss.apply(config_target, strict: false)
2922   objects = common_all.extract_objects(target_common.sources())
2923   deps = target_common.dependencies()
2924
2925   target_specific = specific_ss.apply(config_target, strict: false)
2926   arch_srcs += target_specific.sources()
2927   arch_deps += target_specific.dependencies()
2928
2929   lib = static_library('qemu-' + target,
2930                  sources: arch_srcs + genh,
2931                  dependencies: arch_deps,
2932                  objects: objects,
2933                  include_directories: target_inc,
2934                  c_args: c_args,
2935                  build_by_default: false,
2936                  name_suffix: 'fa')
2937
2938   if target.endswith('-softmmu')
2939     execs = [{
2940       'name': 'qemu-system-' + target_name,
2941       'win_subsystem': 'console',
2942       'sources': files('softmmu/main.c'),
2943       'dependencies': []
2944     }]
2945     if targetos == 'windows' and (sdl.found() or gtk.found())
2946       execs += [{
2947         'name': 'qemu-system-' + target_name + 'w',
2948         'win_subsystem': 'windows',
2949         'sources': files('softmmu/main.c'),
2950         'dependencies': []
2951       }]
2952     endif
2953     if get_option('fuzzing')
2954       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2955       execs += [{
2956         'name': 'qemu-fuzz-' + target_name,
2957         'win_subsystem': 'console',
2958         'sources': specific_fuzz.sources(),
2959         'dependencies': specific_fuzz.dependencies(),
2960       }]
2961     endif
2962   else
2963     execs = [{
2964       'name': 'qemu-' + target_name,
2965       'win_subsystem': 'console',
2966       'sources': [],
2967       'dependencies': []
2968     }]
2969   endif
2970   foreach exe: execs
2971     exe_name = exe['name']
2972     if targetos == 'darwin'
2973       exe_name += '-unsigned'
2974     endif
2975
2976     emulator = executable(exe_name, exe['sources'],
2977                install: true,
2978                c_args: c_args,
2979                dependencies: arch_deps + deps + exe['dependencies'],
2980                objects: lib.extract_all_objects(recursive: true),
2981                link_language: link_language,
2982                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2983                link_args: link_args,
2984                win_subsystem: exe['win_subsystem'])
2985
2986     if targetos == 'darwin'
2987       icon = 'pc-bios/qemu.rsrc'
2988       build_input = [emulator, files(icon)]
2989       install_input = [
2990         get_option('bindir') / exe_name,
2991         meson.current_source_dir() / icon
2992       ]
2993       if 'CONFIG_HVF' in config_target
2994         entitlements = 'accel/hvf/entitlements.plist'
2995         build_input += files(entitlements)
2996         install_input += meson.current_source_dir() / entitlements
2997       endif
2998
2999       emulators += {exe['name'] : custom_target(exe['name'],
3000                    input: build_input,
3001                    output: exe['name'],
3002                    command: [
3003                      files('scripts/entitlement.sh'),
3004                      '@OUTPUT@',
3005                      '@INPUT@'
3006                    ])
3007       }
3008
3009       meson.add_install_script('scripts/entitlement.sh', '--install',
3010                                get_option('bindir') / exe['name'],
3011                                install_input)
3012     else
3013       emulators += {exe['name']: emulator}
3014     endif
3015
3016     if stap.found()
3017       foreach stp: [
3018         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
3019         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
3020         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
3021         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
3022       ]
3023         custom_target(exe['name'] + stp['ext'],
3024                       input: trace_events_all,
3025                       output: exe['name'] + stp['ext'],
3026                       install: stp['install'],
3027                       install_dir: get_option('datadir') / 'systemtap/tapset',
3028                       command: [
3029                         tracetool, '--group=all', '--format=' + stp['fmt'],
3030                         '--binary=' + stp['bin'],
3031                         '--target-name=' + target_name,
3032                         '--target-type=' + target_type,
3033                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
3034                         '@INPUT@', '@OUTPUT@'
3035                       ],
3036                       depend_files: tracetool_depends)
3037       endforeach
3038     endif
3039   endforeach
3040 endforeach
3041
3042 # Other build targets
3043
3044 if 'CONFIG_PLUGIN' in config_host
3045   install_headers('include/qemu/qemu-plugin.h')
3046 endif
3047
3048 if 'CONFIG_GUEST_AGENT' in config_host
3049   subdir('qga')
3050 elif get_option('guest_agent_msi').enabled()
3051   error('Guest agent MSI requested, but the guest agent is not being built')
3052 endif
3053
3054 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
3055 # when we don't build tools or system
3056 if xkbcommon.found()
3057   # used for the update-keymaps target, so include rules even if !have_tools
3058   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
3059                            dependencies: [qemuutil, xkbcommon], install: have_tools)
3060 endif
3061
3062 if have_tools
3063   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
3064              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
3065   qemu_io = executable('qemu-io', files('qemu-io.c'),
3066              dependencies: [block, qemuutil], install: true)
3067   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
3068                dependencies: [blockdev, qemuutil, gnutls], install: true)
3069
3070   subdir('storage-daemon')
3071   subdir('contrib/rdmacm-mux')
3072   subdir('contrib/elf2dmp')
3073
3074   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
3075              dependencies: qemuutil,
3076              install: true)
3077
3078   if 'CONFIG_VHOST_USER' in config_host
3079     subdir('contrib/vhost-user-blk')
3080     subdir('contrib/vhost-user-gpu')
3081     subdir('contrib/vhost-user-input')
3082     subdir('contrib/vhost-user-scsi')
3083   endif
3084
3085   if targetos == 'linux'
3086     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
3087                dependencies: [qemuutil, libcap_ng],
3088                install: true,
3089                install_dir: get_option('libexecdir'))
3090
3091     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
3092                dependencies: [authz, crypto, io, qom, qemuutil,
3093                               libcap_ng, mpathpersist],
3094                install: true)
3095   endif
3096
3097   if have_ivshmem
3098     subdir('contrib/ivshmem-client')
3099     subdir('contrib/ivshmem-server')
3100   endif
3101 endif
3102
3103 subdir('scripts')
3104 subdir('tools')
3105 subdir('pc-bios')
3106 subdir('docs')
3107 subdir('tests')
3108 if gtk.found()
3109   subdir('po')
3110 endif
3111
3112 if host_machine.system() == 'windows'
3113   nsis_cmd = [
3114     find_program('scripts/nsis.py'),
3115     '@OUTPUT@',
3116     get_option('prefix'),
3117     meson.current_source_dir(),
3118     host_machine.cpu(),
3119     '--',
3120     '-DDISPLAYVERSION=' + meson.project_version(),
3121   ]
3122   if build_docs
3123     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
3124   endif
3125   if gtk.found()
3126     nsis_cmd += '-DCONFIG_GTK=y'
3127   endif
3128
3129   nsis = custom_target('nsis',
3130                        output: 'qemu-setup-' + meson.project_version() + '.exe',
3131                        input: files('qemu.nsi'),
3132                        build_always_stale: true,
3133                        command: nsis_cmd + ['@INPUT@'])
3134   alias_target('installer', nsis)
3135 endif
3136
3137 #########################
3138 # Configuration summary #
3139 #########################
3140
3141 # Directories
3142 summary_info = {}
3143 summary_info += {'Install prefix':    get_option('prefix')}
3144 summary_info += {'BIOS directory':    qemu_datadir}
3145 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
3146 summary_info += {'binary directory':  get_option('bindir')}
3147 summary_info += {'library directory': get_option('libdir')}
3148 summary_info += {'module directory':  qemu_moddir}
3149 summary_info += {'libexec directory': get_option('libexecdir')}
3150 summary_info += {'include directory': get_option('includedir')}
3151 summary_info += {'config directory':  get_option('sysconfdir')}
3152 if targetos != 'windows'
3153   summary_info += {'local state directory': get_option('localstatedir')}
3154   summary_info += {'Manual directory':      get_option('mandir')}
3155 else
3156   summary_info += {'local state directory': 'queried at runtime'}
3157 endif
3158 summary_info += {'Doc directory':     get_option('docdir')}
3159 summary_info += {'Build directory':   meson.current_build_dir()}
3160 summary_info += {'Source path':       meson.current_source_dir()}
3161 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
3162 summary(summary_info, bool_yn: true, section: 'Directories')
3163
3164 # Host binaries
3165 summary_info = {}
3166 summary_info += {'git':               config_host['GIT']}
3167 summary_info += {'make':              config_host['MAKE']}
3168 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
3169 summary_info += {'sphinx-build':      sphinx_build}
3170 if config_host.has_key('HAVE_GDB_BIN')
3171   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
3172 endif
3173 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
3174 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
3175   summary_info += {'wixl':            wixl}
3176 endif
3177 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
3178   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
3179 endif
3180 summary(summary_info, bool_yn: true, section: 'Host binaries')
3181
3182 # Configurable features
3183 summary_info = {}
3184 summary_info += {'Documentation':     build_docs}
3185 summary_info += {'system-mode emulation': have_system}
3186 summary_info += {'user-mode emulation': have_user}
3187 summary_info += {'block layer':       have_block}
3188 summary_info += {'Install blobs':     get_option('install_blobs')}
3189 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
3190 if config_host.has_key('CONFIG_MODULES')
3191   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
3192 endif
3193 summary_info += {'fuzzing support':   get_option('fuzzing')}
3194 if have_system
3195   summary_info += {'Audio drivers':     ' '.join(audio_drivers_selected)}
3196 endif
3197 summary_info += {'Trace backends':    ','.join(get_option('trace_backends'))}
3198 if 'simple' in get_option('trace_backends')
3199   summary_info += {'Trace output file': get_option('trace_file') + '-<pid>'}
3200 endif
3201 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
3202 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
3203 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
3204 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
3205 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
3206 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
3207 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
3208 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
3209 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
3210 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
3211 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
3212 summary(summary_info, bool_yn: true, section: 'Configurable features')
3213
3214 # Compilation information
3215 summary_info = {}
3216 summary_info += {'host CPU':          cpu}
3217 summary_info += {'host endianness':   build_machine.endian()}
3218 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
3219 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
3220 if link_language == 'cpp'
3221   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
3222 else
3223   summary_info += {'C++ compiler':      false}
3224 endif
3225 if targetos == 'darwin'
3226   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
3227 endif
3228 if targetos == 'windows'
3229   if 'WIN_SDK' in config_host
3230     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
3231   endif
3232 endif
3233 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
3234                                                + ['-O' + get_option('optimization')]
3235                                                + (get_option('debug') ? ['-g'] : []))}
3236 if link_language == 'cpp'
3237   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
3238                                                + ['-O' + get_option('optimization')]
3239                                                + (get_option('debug') ? ['-g'] : []))}
3240 endif
3241 link_args = get_option(link_language + '_link_args')
3242 if link_args.length() > 0
3243   summary_info += {'LDFLAGS':         ' '.join(link_args)}
3244 endif
3245 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
3246 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
3247 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
3248 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
3249 summary_info += {'PIE':               get_option('b_pie')}
3250 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
3251 summary_info += {'malloc trim support': has_malloc_trim}
3252 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
3253 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
3254 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
3255 summary_info += {'memory allocator':  get_option('malloc')}
3256 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
3257 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
3258 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
3259 summary_info += {'gcov':              get_option('b_coverage')}
3260 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
3261 summary_info += {'CFI support':       get_option('cfi')}
3262 if get_option('cfi')
3263   summary_info += {'CFI debug support': get_option('cfi_debug')}
3264 endif
3265 summary_info += {'strip binaries':    get_option('strip')}
3266 summary_info += {'sparse':            sparse}
3267 summary_info += {'mingw32 support':   targetos == 'windows'}
3268
3269 # snarf the cross-compilation information for tests
3270 foreach target: target_dirs
3271   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
3272   if fs.exists(tcg_mak)
3273     config_cross_tcg = keyval.load(tcg_mak)
3274     target = config_cross_tcg['TARGET_NAME']
3275     compiler = ''
3276     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
3277       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
3278                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
3279     elif 'CROSS_CC_GUEST' in config_cross_tcg
3280       summary_info += {target + ' tests'
3281                                 : config_cross_tcg['CROSS_CC_GUEST'] }
3282     endif
3283    endif
3284 endforeach
3285
3286 summary(summary_info, bool_yn: true, section: 'Compilation')
3287
3288 # Targets and accelerators
3289 summary_info = {}
3290 if have_system
3291   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
3292   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
3293   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
3294   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
3295   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
3296   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
3297   if config_host.has_key('CONFIG_XEN_BACKEND')
3298     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
3299   endif
3300 endif
3301 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
3302 if config_all.has_key('CONFIG_TCG')
3303   if get_option('tcg_interpreter')
3304     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
3305   else
3306     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3307   endif
3308   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3309   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3310 endif
3311 summary_info += {'target list':       ' '.join(target_dirs)}
3312 if have_system
3313   summary_info += {'default devices':   get_option('default_devices')}
3314   summary_info += {'out of process emulation': multiprocess_allowed}
3315 endif
3316 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3317
3318 # Block layer
3319 summary_info = {}
3320 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3321 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
3322 if have_block
3323   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3324   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3325   summary_info += {'Use block whitelist in tools': config_host.has_key('CONFIG_BDRV_WHITELIST_TOOLS')}
3326   summary_info += {'VirtFS support':    have_virtfs}
3327   summary_info += {'build virtiofs daemon': have_virtiofsd}
3328   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
3329   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
3330   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
3331   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
3332   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
3333   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
3334   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
3335   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
3336   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
3337   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
3338   summary_info += {'FUSE exports':      fuse}
3339 endif
3340 summary(summary_info, bool_yn: true, section: 'Block layer support')
3341
3342 # Crypto
3343 summary_info = {}
3344 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3345 summary_info += {'GNUTLS support':    gnutls}
3346 if gnutls.found()
3347   summary_info += {'  GNUTLS crypto':   gnutls_crypto.found()}
3348 endif
3349 summary_info += {'libgcrypt':         gcrypt}
3350 summary_info += {'nettle':            nettle}
3351 if nettle.found()
3352    summary_info += {'  XTS':             xts != 'private'}
3353 endif
3354 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
3355 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
3356 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3357 summary(summary_info, bool_yn: true, section: 'Crypto')
3358
3359 # Libraries
3360 summary_info = {}
3361 if targetos == 'darwin'
3362   summary_info += {'Cocoa support':   cocoa}
3363 endif
3364 summary_info += {'SDL support':       sdl}
3365 summary_info += {'SDL image support': sdl_image}
3366 summary_info += {'GTK support':       gtk}
3367 summary_info += {'pixman':            pixman}
3368 summary_info += {'VTE support':       vte}
3369 summary_info += {'slirp support':     slirp_opt == 'internal' ? slirp_opt : slirp}
3370 summary_info += {'libtasn1':          tasn1}
3371 summary_info += {'PAM':               pam}
3372 summary_info += {'iconv support':     iconv}
3373 summary_info += {'curses support':    curses}
3374 summary_info += {'virgl support':     virgl}
3375 summary_info += {'curl support':      curl}
3376 summary_info += {'Multipath support': mpathpersist}
3377 summary_info += {'VNC support':       vnc}
3378 if vnc.found()
3379   summary_info += {'VNC SASL support':  sasl}
3380   summary_info += {'VNC JPEG support':  jpeg}
3381   summary_info += {'VNC PNG support':   png}
3382 endif
3383 if targetos not in ['darwin', 'haiku', 'windows']
3384   summary_info += {'OSS support':     oss}
3385 elif targetos == 'darwin'
3386   summary_info += {'CoreAudio support': coreaudio}
3387 elif targetos == 'windows'
3388   summary_info += {'DirectSound support': dsound}
3389 endif
3390 if targetos == 'linux'
3391   summary_info += {'ALSA support':    alsa}
3392   summary_info += {'PulseAudio support': pulse}
3393 endif
3394 summary_info += {'JACK support':      jack}
3395 summary_info += {'brlapi support':    brlapi}
3396 summary_info += {'vde support':       vde}
3397 summary_info += {'netmap support':    have_netmap}
3398 summary_info += {'Linux AIO support': libaio}
3399 summary_info += {'Linux io_uring support': linux_io_uring}
3400 summary_info += {'ATTR/XATTR support': libattr}
3401 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3402 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3403 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3404 summary_info += {'libcap-ng support': libcap_ng}
3405 summary_info += {'bpf support':       libbpf}
3406 summary_info += {'spice protocol support': spice_protocol}
3407 if spice_protocol.found()
3408   summary_info += {'  spice server support': spice}
3409 endif
3410 summary_info += {'rbd support':       rbd}
3411 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
3412 summary_info += {'smartcard support': cacard}
3413 summary_info += {'U2F support':       u2f}
3414 summary_info += {'libusb':            libusb}
3415 summary_info += {'usb net redir':     usbredir}
3416 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3417 summary_info += {'GBM':               gbm}
3418 summary_info += {'libiscsi support':  libiscsi}
3419 summary_info += {'libnfs support':    libnfs}
3420 if targetos == 'windows'
3421   if config_host.has_key('CONFIG_GUEST_AGENT')
3422     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
3423     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
3424   endif
3425 endif
3426 summary_info += {'seccomp support':   seccomp}
3427 summary_info += {'GlusterFS support': glusterfs}
3428 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
3429 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
3430 summary_info += {'lzo support':       lzo}
3431 summary_info += {'snappy support':    snappy}
3432 summary_info += {'bzip2 support':     libbzip2}
3433 summary_info += {'lzfse support':     liblzfse}
3434 summary_info += {'zstd support':      zstd}
3435 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
3436 summary_info += {'libxml2':           libxml2}
3437 summary_info += {'capstone':          capstone_opt == 'internal' ? capstone_opt : capstone}
3438 summary_info += {'libpmem support':   libpmem}
3439 summary_info += {'libdaxctl support': libdaxctl}
3440 summary_info += {'libudev':           libudev}
3441 # Dummy dependency, keep .found()
3442 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3443 summary(summary_info, bool_yn: true, section: 'Dependencies')
3444
3445 if not supported_cpus.contains(cpu)
3446   message()
3447   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3448   message()
3449   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3450   message('The QEMU project intends to remove support for this host CPU in')
3451   message('a future release if nobody volunteers to maintain it and to')
3452   message('provide a build host for our continuous integration setup.')
3453   message('configure has succeeded and you can continue to build, but')
3454   message('if you care about QEMU on this platform you should contact')
3455   message('us upstream at qemu-devel@nongnu.org.')
3456 endif
3457
3458 if not supported_oses.contains(targetos)
3459   message()
3460   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3461   message()
3462   message('Host OS ' + targetos + 'support is not currently maintained.')
3463   message('The QEMU project intends to remove support for this host OS in')
3464   message('a future release if nobody volunteers to maintain it and to')
3465   message('provide a build host for our continuous integration setup.')
3466   message('configure has succeeded and you can continue to build, but')
3467   message('if you care about QEMU on this platform you should contact')
3468   message('us upstream at qemu-devel@nongnu.org.')
3469 endif