meson.build

   1 project('qemu', ['c'], meson_version: '>=0.55.0',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto'] +
   3                          (meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []),
   4         version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())
   5
   6 not_found = dependency('', required: false)
   7 if meson.version().version_compare('>=0.56.0')
   8   keyval = import('keyval')
   9 else
  10   keyval = import('unstable-keyval')
  11 endif
  12 ss = import('sourceset')
  13 fs = import('fs')
  14
  15 sh = find_program('sh')
  16 cc = meson.get_compiler('c')
  17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  18 enable_modules = 'CONFIG_MODULES' in config_host
  19 enable_static = 'CONFIG_STATIC' in config_host
  20
  21 # Allow both shared and static libraries unless --enable-static
  22 static_kwargs = enable_static ? {'static': true} : {}
  23
  24 # Temporary directory used for files created while
  25 # configure runs. Since it is in the build directory
  26 # we can safely blow away any previous version of it
  27 # (and we need not jump through hoops to try to delete
  28 # it when configure exits.)
  29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  30
  31 if get_option('qemu_suffix').startswith('/')
  32   error('qemu_suffix cannot start with a /')
  33 endif
  34
  35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  39
  40 qemu_desktopdir = get_option('datadir') / 'applications'
  41 qemu_icondir = get_option('datadir') / 'icons'
  42
  43 config_host_data = configuration_data()
  44 genh = []
  45
  46 target_dirs = config_host['TARGET_DIRS'].split()
  47 have_user = false
  48 have_system = false
  49 foreach target : target_dirs
  50   have_user = have_user or target.endswith('-user')
  51   have_system = have_system or target.endswith('-softmmu')
  52 endforeach
  53 have_tools = 'CONFIG_TOOLS' in config_host
  54 have_block = have_system or have_tools
  55
  56 python = import('python').find_installation()
  57
  58 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  59 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
  60   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  61
  62 cpu = host_machine.cpu_family()
  63 targetos = host_machine.system()
  64
  65 if cpu in ['x86', 'x86_64']
  66   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  67 elif cpu == 'aarch64'
  68   kvm_targets = ['aarch64-softmmu']
  69 elif cpu == 's390x'
  70   kvm_targets = ['s390x-softmmu']
  71 elif cpu in ['ppc', 'ppc64']
  72   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
  73 elif cpu in ['mips', 'mips64']
  74   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
  75 else
  76   kvm_targets = []
  77 endif
  78
  79 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
  80 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
  81   # i386 emulator provides xenpv machine type for multiple architectures
  82   accelerator_targets += {
  83     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
  84   }
  85 endif
  86 if cpu in ['x86', 'x86_64']
  87   accelerator_targets += {
  88     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
  89     'CONFIG_HVF': ['x86_64-softmmu'],
  90     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
  91     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
  92   }
  93 endif
  94
  95 modular_tcg = []
  96 # Darwin does not support references to thread-local variables in modules
  97 if targetos != 'darwin'
  98   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
  99 endif
 100
 101 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 102 install_edk2_blobs = false
 103 if get_option('install_blobs')
 104   foreach target : target_dirs
 105     install_edk2_blobs = install_edk2_blobs or target in edk2_targets
 106   endforeach
 107 endif
 108
 109 bzip2 = find_program('bzip2', required: install_edk2_blobs)
 110
 111 ##################
 112 # Compiler flags #
 113 ##################
 114
 115 # Specify linker-script with add_project_link_arguments so that it is not placed
 116 # within a linker --start-group/--end-group pair
 117 if 'CONFIG_FUZZ' in config_host
 118    add_project_link_arguments(['-Wl,-T,',
 119                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 120                               native: false, language: ['c', 'cpp', 'objc'])
 121 endif
 122
 123 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
 124                      native: false, language: ['c', 'objc'])
 125 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
 126                      native: false, language: 'cpp')
 127 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 128                           native: false, language: ['c', 'cpp', 'objc'])
 129
 130 if targetos == 'linux'
 131   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 132                         '-isystem', 'linux-headers',
 133                         language: ['c', 'cpp'])
 134 endif
 135
 136 add_project_arguments('-iquote', '.',
 137                       '-iquote', meson.current_source_dir(),
 138                       '-iquote', meson.current_source_dir() / 'include',
 139                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 140                       language: ['c', 'cpp', 'objc'])
 141
 142 link_language = meson.get_external_property('link_language', 'cpp')
 143 if link_language == 'cpp'
 144   add_languages('cpp', required: true, native: false)
 145 endif
 146 if host_machine.system() == 'darwin'
 147   add_languages('objc', required: false, native: false)
 148 endif
 149
 150 sparse = find_program('cgcc', required: get_option('sparse'))
 151 if sparse.found()
 152   run_target('sparse',
 153              command: [find_program('scripts/check_sparse.py'),
 154                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 155                        '-Wno-transparent-union', '-Wno-old-initializer',
 156                        '-Wno-non-pointer-null'])
 157 endif
 158
 159 ###########################################
 160 # Target-specific checks and dependencies #
 161 ###########################################
 162
 163 if targetos != 'linux' and get_option('mpath').enabled()
 164   error('Multipath is supported only on Linux')
 165 endif
 166
 167 if targetos != 'linux' and get_option('multiprocess').enabled()
 168   error('Multiprocess QEMU is supported only on Linux')
 169 endif
 170 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 171
 172 libm = cc.find_library('m', required: false)
 173 threads = dependency('threads')
 174 util = cc.find_library('util', required: false)
 175 winmm = []
 176 socket = []
 177 version_res = []
 178 coref = []
 179 iokit = []
 180 emulator_link_args = []
 181 nvmm =not_found
 182 hvf = not_found
 183 if targetos == 'windows'
 184   socket = cc.find_library('ws2_32')
 185   winmm = cc.find_library('winmm')
 186
 187   win = import('windows')
 188   version_res = win.compile_resources('version.rc',
 189                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 190                                       include_directories: include_directories('.'))
 191 elif targetos == 'darwin'
 192   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 193   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 194 elif targetos == 'sunos'
 195   socket = [cc.find_library('socket'),
 196             cc.find_library('nsl'),
 197             cc.find_library('resolv')]
 198 elif targetos == 'haiku'
 199   socket = [cc.find_library('posix_error_mapper'),
 200             cc.find_library('network'),
 201             cc.find_library('bsd')]
 202 elif targetos == 'openbsd'
 203   if not get_option('tcg').disabled() and target_dirs.length() > 0
 204     # Disable OpenBSD W^X if available
 205     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 206   endif
 207 endif
 208
 209 accelerators = []
 210 if not get_option('kvm').disabled() and targetos == 'linux'
 211   accelerators += 'CONFIG_KVM'
 212 endif
 213 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
 214   accelerators += 'CONFIG_XEN'
 215   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
 216 else
 217   have_xen_pci_passthrough = false
 218 endif
 219 if not get_option('whpx').disabled() and targetos == 'windows'
 220   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 221     error('WHPX requires 64-bit host')
 222   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 223        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 224     accelerators += 'CONFIG_WHPX'
 225   endif
 226 endif
 227 if not get_option('hvf').disabled()
 228   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 229                    required: get_option('hvf'))
 230   if hvf.found()
 231     accelerators += 'CONFIG_HVF'
 232   endif
 233 endif
 234 if not get_option('hax').disabled()
 235   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 236     accelerators += 'CONFIG_HAX'
 237   endif
 238 endif
 239 if targetos == 'netbsd'
 240   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
 241     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 242   endif
 243   if nvmm.found()
 244     accelerators += 'CONFIG_NVMM'
 245   endif
 246 endif
 247
 248 tcg_arch = config_host['ARCH']
 249 if not get_option('tcg').disabled()
 250   if cpu not in supported_cpus
 251     if get_option('tcg_interpreter')
 252       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
 253     else
 254       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 255     endif
 256   elif get_option('tcg_interpreter')
 257     warning('Use of the TCG interpretor is not recommended on this host')
 258     warning('architecture. There is a native TCG execution backend available')
 259     warning('which provides substantially better performance and reliability.')
 260     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 261     warning('configuration option on this architecture to use the native')
 262     warning('backend.')
 263   endif
 264   if get_option('tcg_interpreter')
 265     tcg_arch = 'tci'
 266   elif config_host['ARCH'] == 'sparc64'
 267     tcg_arch = 'sparc'
 268   elif config_host['ARCH'] == 's390x'
 269     tcg_arch = 's390'
 270   elif config_host['ARCH'] in ['x86_64', 'x32']
 271     tcg_arch = 'i386'
 272   elif config_host['ARCH'] == 'ppc64'
 273     tcg_arch = 'ppc'
 274   elif config_host['ARCH'] in ['riscv32', 'riscv64']
 275     tcg_arch = 'riscv'
 276   endif
 277   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 278                         language: ['c', 'cpp', 'objc'])
 279
 280   accelerators += 'CONFIG_TCG'
 281   config_host += { 'CONFIG_TCG': 'y' }
 282 endif
 283
 284 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 285   error('KVM not available on this platform')
 286 endif
 287 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 288   error('HVF not available on this platform')
 289 endif
 290 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 291   error('NVMM not available on this platform')
 292 endif
 293 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 294   error('WHPX not available on this platform')
 295 endif
 296 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
 297   if 'CONFIG_XEN' in accelerators
 298     error('Xen PCI passthrough not available on this platform')
 299   else
 300     error('Xen PCI passthrough requested but Xen not enabled')
 301   endif
 302 endif
 303
 304 ################
 305 # Dependencies #
 306 ################
 307
 308 # The path to glib.h is added to all compilation commands.  This was
 309 # grandfathered in from the QEMU Makefiles.
 310 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 311                       native: false, language: ['c', 'cpp', 'objc'])
 312 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 313                           link_args: config_host['GLIB_LIBS'].split())
 314 # override glib dep with the configure results (for subprojects)
 315 meson.override_dependency('glib-2.0', glib)
 316
 317 gio = not_found
 318 if 'CONFIG_GIO' in config_host
 319   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
 320                            link_args: config_host['GIO_LIBS'].split())
 321 endif
 322 lttng = not_found
 323 if 'CONFIG_TRACE_UST' in config_host
 324   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
 325 endif
 326 pixman = not_found
 327 if have_system or have_tools
 328   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 329                       method: 'pkg-config', kwargs: static_kwargs)
 330 endif
 331 libaio = cc.find_library('aio', required: false)
 332 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 333
 334 linux_io_uring = not_found
 335 if not get_option('linux_io_uring').auto() or have_block
 336   linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'),
 337                               method: 'pkg-config', kwargs: static_kwargs)
 338 endif
 339 libxml2 = not_found
 340 if not get_option('libxml2').auto() or have_block
 341   libxml2 = dependency('libxml-2.0', required: get_option('libxml2'),
 342                        method: 'pkg-config', kwargs: static_kwargs)
 343 endif
 344 libnfs = not_found
 345 if not get_option('libnfs').auto() or have_block
 346   libnfs = dependency('libnfs', version: '>=1.9.3',
 347                       required: get_option('libnfs'),
 348                       method: 'pkg-config', kwargs: static_kwargs)
 349 endif
 350
 351 libattr_test = '''
 352   #include <stddef.h>
 353   #include <sys/types.h>
 354   #ifdef CONFIG_LIBATTR
 355   #include <attr/xattr.h>
 356   #else
 357   #include <sys/xattr.h>
 358   #endif
 359   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 360
 361 libattr = not_found
 362 have_old_libattr = false
 363 if not get_option('attr').disabled()
 364   if cc.links(libattr_test)
 365     libattr = declare_dependency()
 366   else
 367     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 368                               required: get_option('attr'),
 369                               kwargs: static_kwargs)
 370     if libattr.found() and not \
 371       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 372       libattr = not_found
 373       if get_option('attr').enabled()
 374         error('could not link libattr')
 375       else
 376         warning('could not link libattr, disabling')
 377       endif
 378     else
 379       have_old_libattr = libattr.found()
 380     endif
 381   endif
 382 endif
 383
 384 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 385 if cocoa.found() and get_option('sdl').enabled()
 386   error('Cocoa and SDL cannot be enabled at the same time')
 387 endif
 388 if cocoa.found() and get_option('gtk').enabled()
 389   error('Cocoa and GTK+ cannot be enabled at the same time')
 390 endif
 391
 392 seccomp = not_found
 393 if not get_option('seccomp').auto() or have_system or have_tools
 394   seccomp = dependency('libseccomp', version: '>=2.3.0',
 395                        required: get_option('seccomp'),
 396                        method: 'pkg-config', kwargs: static_kwargs)
 397 endif
 398
 399 libcap_ng = not_found
 400 if not get_option('cap_ng').auto() or have_system or have_tools
 401   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 402                               required: get_option('cap_ng'),
 403                               kwargs: static_kwargs)
 404 endif
 405 if libcap_ng.found() and not cc.links('''
 406    #include <cap-ng.h>
 407    int main(void)
 408    {
 409      capng_capability_to_name(CAPNG_EFFECTIVE);
 410      return 0;
 411    }''', dependencies: libcap_ng)
 412   libcap_ng = not_found
 413   if get_option('cap_ng').enabled()
 414     error('could not link libcap-ng')
 415   else
 416     warning('could not link libcap-ng, disabling')
 417   endif
 418 endif
 419
 420 if get_option('xkbcommon').auto() and not have_system and not have_tools
 421   xkbcommon = not_found
 422 else
 423   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 424                          method: 'pkg-config', kwargs: static_kwargs)
 425 endif
 426 vde = not_found
 427 if config_host.has_key('CONFIG_VDE')
 428   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
 429 endif
 430 pulse = not_found
 431 if 'CONFIG_LIBPULSE' in config_host
 432   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
 433                              link_args: config_host['PULSE_LIBS'].split())
 434 endif
 435 alsa = not_found
 436 if 'CONFIG_ALSA' in config_host
 437   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
 438                             link_args: config_host['ALSA_LIBS'].split())
 439 endif
 440 jack = not_found
 441 if 'CONFIG_LIBJACK' in config_host
 442   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
 443 endif
 444 spice = not_found
 445 spice_headers = not_found
 446 spice_protocol = not_found
 447 if 'CONFIG_SPICE' in config_host
 448   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
 449                              link_args: config_host['SPICE_LIBS'].split())
 450   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
 451 endif
 452 if 'CONFIG_SPICE_PROTOCOL' in config_host
 453   spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split())
 454 endif
 455 rt = cc.find_library('rt', required: false)
 456 libdl = not_found
 457 if 'CONFIG_PLUGIN' in config_host
 458   libdl = cc.find_library('dl', required: false)
 459   if not cc.has_function('dlopen', dependencies: libdl)
 460     error('dlopen not found')
 461   endif
 462 endif
 463 libiscsi = not_found
 464 if not get_option('libiscsi').auto() or have_block
 465   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 466                          required: get_option('libiscsi'),
 467                          method: 'pkg-config', kwargs: static_kwargs)
 468 endif
 469 zstd = not_found
 470 if not get_option('zstd').auto() or have_block
 471   zstd = dependency('libzstd', version: '>=1.4.0',
 472                     required: get_option('zstd'),
 473                     method: 'pkg-config', kwargs: static_kwargs)
 474 endif
 475 virgl = not_found
 476 if not get_option('virglrenderer').auto() or have_system
 477   virgl = dependency('virglrenderer',
 478                      method: 'pkg-config',
 479                      required: get_option('virglrenderer'),
 480                      kwargs: static_kwargs)
 481 endif
 482 curl = not_found
 483 if not get_option('curl').auto() or have_block
 484   curl = dependency('libcurl', version: '>=7.29.0',
 485                     method: 'pkg-config',
 486                     required: get_option('curl'),
 487                     kwargs: static_kwargs)
 488 endif
 489 libudev = not_found
 490 if targetos == 'linux' and (have_system or have_tools)
 491   libudev = dependency('libudev',
 492                        method: 'pkg-config',
 493                        required: get_option('libudev'),
 494                        kwargs: static_kwargs)
 495 endif
 496
 497 mpathlibs = [libudev]
 498 mpathpersist = not_found
 499 mpathpersist_new_api = false
 500 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
 501   mpath_test_source_new = '''
 502     #include <libudev.h>
 503     #include <mpath_persist.h>
 504     unsigned mpath_mx_alloc_len = 1024;
 505     int logsink;
 506     static struct config *multipath_conf;
 507     extern struct udev *udev;
 508     extern struct config *get_multipath_config(void);
 509     extern void put_multipath_config(struct config *conf);
 510     struct udev *udev;
 511     struct config *get_multipath_config(void) { return multipath_conf; }
 512     void put_multipath_config(struct config *conf) { }
 513     int main(void) {
 514         udev = udev_new();
 515         multipath_conf = mpath_lib_init();
 516         return 0;
 517     }'''
 518   mpath_test_source_old = '''
 519       #include <libudev.h>
 520       #include <mpath_persist.h>
 521       unsigned mpath_mx_alloc_len = 1024;
 522       int logsink;
 523       int main(void) {
 524           struct udev *udev = udev_new();
 525           mpath_lib_init(udev);
 526           return 0;
 527       }'''
 528   libmpathpersist = cc.find_library('mpathpersist',
 529                                     required: get_option('mpath'),
 530                                     kwargs: static_kwargs)
 531   if libmpathpersist.found()
 532     mpathlibs += libmpathpersist
 533     if enable_static
 534       mpathlibs += cc.find_library('devmapper',
 535                                      required: get_option('mpath'),
 536                                      kwargs: static_kwargs)
 537     endif
 538     mpathlibs += cc.find_library('multipath',
 539                                  required: get_option('mpath'),
 540                                  kwargs: static_kwargs)
 541     foreach lib: mpathlibs
 542       if not lib.found()
 543         mpathlibs = []
 544         break
 545       endif
 546     endforeach
 547     if mpathlibs.length() == 0
 548       msg = 'Dependencies missing for libmpathpersist'
 549     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 550       mpathpersist = declare_dependency(dependencies: mpathlibs)
 551       mpathpersist_new_api = true
 552     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 553       mpathpersist = declare_dependency(dependencies: mpathlibs)
 554     else
 555       msg = 'Cannot detect libmpathpersist API'
 556     endif
 557     if not mpathpersist.found()
 558       if get_option('mpath').enabled()
 559         error(msg)
 560       else
 561         warning(msg + ', disabling')
 562       endif
 563     endif
 564   endif
 565 endif
 566
 567 iconv = not_found
 568 curses = not_found
 569 if have_system and not get_option('curses').disabled()
 570   curses_test = '''
 571     #include <locale.h>
 572     #include <curses.h>
 573     #include <wchar.h>
 574     int main(void) {
 575       wchar_t wch = L'w';
 576       setlocale(LC_ALL, "");
 577       resize_term(0, 0);
 578       addwstr(L"wide chars\n");
 579       addnwstr(&wch, 1);
 580       add_wch(WACS_DEGREE);
 581       return 0;
 582     }'''
 583
 584   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 585   foreach curses_dep : curses_dep_list
 586     if not curses.found()
 587       curses = dependency(curses_dep,
 588                           required: false,
 589                           method: 'pkg-config',
 590                           kwargs: static_kwargs)
 591     endif
 592   endforeach
 593   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 594   curses_compile_args = ['-DNCURSES_WIDECHAR']
 595   if curses.found()
 596     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 597       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 598     else
 599       msg = 'curses package not usable'
 600       curses = not_found
 601     endif
 602   endif
 603   if not curses.found()
 604     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 605     if targetos != 'windows' and not has_curses_h
 606       message('Trying with /usr/include/ncursesw')
 607       curses_compile_args += ['-I/usr/include/ncursesw']
 608       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 609     endif
 610     if has_curses_h
 611       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 612       foreach curses_libname : curses_libname_list
 613         libcurses = cc.find_library(curses_libname,
 614                                     required: false,
 615                                     kwargs: static_kwargs)
 616         if libcurses.found()
 617           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 618             curses = declare_dependency(compile_args: curses_compile_args,
 619                                         dependencies: [libcurses])
 620             break
 621           else
 622             msg = 'curses library not usable'
 623           endif
 624         endif
 625       endforeach
 626     endif
 627   endif
 628   if not get_option('iconv').disabled()
 629     foreach link_args : [ ['-liconv'], [] ]
 630       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 631       # We need to use libiconv if available because mixing libiconv's headers with
 632       # the system libc does not work.
 633       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 634       # included in the command line and libiconv will not be found.
 635       if cc.links('''
 636         #include <iconv.h>
 637         int main(void) {
 638           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 639           return conv != (iconv_t) -1;
 640         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 641         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 642         break
 643       endif
 644     endforeach
 645   endif
 646   if curses.found() and not iconv.found()
 647     if get_option('iconv').enabled()
 648       error('iconv not available')
 649     endif
 650     msg = 'iconv required for curses UI but not available'
 651     curses = not_found
 652   endif
 653   if not curses.found() and msg != ''
 654     if get_option('curses').enabled()
 655       error(msg)
 656     else
 657       warning(msg + ', disabling')
 658     endif
 659   endif
 660 endif
 661
 662 brlapi = not_found
 663 if not get_option('brlapi').auto() or have_system
 664   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 665                          required: get_option('brlapi'),
 666                          kwargs: static_kwargs)
 667   if brlapi.found() and not cc.links('''
 668      #include <brlapi.h>
 669      #include <stddef.h>
 670      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 671     brlapi = not_found
 672     if get_option('brlapi').enabled()
 673       error('could not link brlapi')
 674     else
 675       warning('could not link brlapi, disabling')
 676     endif
 677   endif
 678 endif
 679
 680 sdl = not_found
 681 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 682   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 683   sdl_image = not_found
 684 endif
 685 if sdl.found()
 686   # work around 2.0.8 bug
 687   sdl = declare_dependency(compile_args: '-Wno-undef',
 688                            dependencies: sdl)
 689   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 690                          method: 'pkg-config', kwargs: static_kwargs)
 691 else
 692   if get_option('sdl_image').enabled()
 693     error('sdl-image required, but SDL was @0@'.format(
 694           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 695   endif
 696   sdl_image = not_found
 697 endif
 698
 699 rbd = not_found
 700 if not get_option('rbd').auto() or have_block
 701   librados = cc.find_library('rados', required: get_option('rbd'),
 702                              kwargs: static_kwargs)
 703   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 704                            required: get_option('rbd'),
 705                            kwargs: static_kwargs)
 706   if librados.found() and librbd.found()
 707     if cc.links('''
 708       #include <stdio.h>
 709       #include <rbd/librbd.h>
 710       int main(void) {
 711         rados_t cluster;
 712         rados_create(&cluster, NULL);
 713         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 714         #error
 715         #endif
 716         return 0;
 717       }''', dependencies: [librbd, librados])
 718       rbd = declare_dependency(dependencies: [librbd, librados])
 719     elif get_option('rbd').enabled()
 720       error('librbd >= 1.12.0 required')
 721     else
 722       warning('librbd >= 1.12.0 not found, disabling')
 723     endif
 724   endif
 725 endif
 726
 727 glusterfs = not_found
 728 glusterfs_ftruncate_has_stat = false
 729 glusterfs_iocb_has_stat = false
 730 if not get_option('glusterfs').auto() or have_block
 731   glusterfs = dependency('glusterfs-api', version: '>=3',
 732                          required: get_option('glusterfs'),
 733                          method: 'pkg-config', kwargs: static_kwargs)
 734   if glusterfs.found()
 735     glusterfs_ftruncate_has_stat = cc.links('''
 736       #include <glusterfs/api/glfs.h>
 737
 738       int
 739       main(void)
 740       {
 741           /* new glfs_ftruncate() passes two additional args */
 742           return glfs_ftruncate(NULL, 0, NULL, NULL);
 743       }
 744     ''', dependencies: glusterfs)
 745     glusterfs_iocb_has_stat = cc.links('''
 746       #include <glusterfs/api/glfs.h>
 747
 748       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 749       static void
 750       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 751       {}
 752
 753       int
 754       main(void)
 755       {
 756           glfs_io_cbk iocb = &glusterfs_iocb;
 757           iocb(NULL, 0 , NULL, NULL, NULL);
 758           return 0;
 759       }
 760     ''', dependencies: glusterfs)
 761   endif
 762 endif
 763 libssh = not_found
 764 if 'CONFIG_LIBSSH' in config_host
 765   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
 766                               link_args: config_host['LIBSSH_LIBS'].split())
 767 endif
 768 libbzip2 = not_found
 769 if not get_option('bzip2').auto() or have_block
 770   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
 771                              required: get_option('bzip2'),
 772                              kwargs: static_kwargs)
 773   if libbzip2.found() and not cc.links('''
 774      #include <bzlib.h>
 775      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
 776     libbzip2 = not_found
 777     if get_option('bzip2').enabled()
 778       error('could not link libbzip2')
 779     else
 780       warning('could not link libbzip2, disabling')
 781     endif
 782   endif
 783 endif
 784
 785 liblzfse = not_found
 786 if not get_option('lzfse').auto() or have_block
 787   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
 788                              required: get_option('lzfse'),
 789                              kwargs: static_kwargs)
 790 endif
 791 if liblzfse.found() and not cc.links('''
 792    #include <lzfse.h>
 793    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
 794   liblzfse = not_found
 795   if get_option('lzfse').enabled()
 796     error('could not link liblzfse')
 797   else
 798     warning('could not link liblzfse, disabling')
 799   endif
 800 endif
 801
 802 oss = not_found
 803 if 'CONFIG_AUDIO_OSS' in config_host
 804   oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
 805 endif
 806 dsound = not_found
 807 if 'CONFIG_AUDIO_DSOUND' in config_host
 808   dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
 809 endif
 810 coreaudio = not_found
 811 if 'CONFIG_AUDIO_COREAUDIO' in config_host
 812   coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
 813 endif
 814
 815 opengl = not_found
 816 if 'CONFIG_OPENGL' in config_host
 817   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
 818                               link_args: config_host['OPENGL_LIBS'].split())
 819 endif
 820 gbm = not_found
 821 if (have_system or have_tools) and (virgl.found() or opengl.found())
 822   gbm = dependency('gbm', method: 'pkg-config', required: false,
 823                    kwargs: static_kwargs)
 824 endif
 825
 826 gnutls = not_found
 827 gnutls_crypto = not_found
 828 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
 829   # For general TLS support our min gnutls matches
 830   # that implied by our platform support matrix
 831   #
 832   # For the crypto backends, we look for a newer
 833   # gnutls:
 834   #
 835   #   Version 3.6.8  is needed to get XTS
 836   #   Version 3.6.13 is needed to get PBKDF
 837   #   Version 3.6.14 is needed to get HW accelerated XTS
 838   #
 839   # If newer enough gnutls isn't available, we can
 840   # still use a different crypto backend to satisfy
 841   # the platform support requirements
 842   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
 843                              method: 'pkg-config',
 844                              required: false,
 845                              kwargs: static_kwargs)
 846   if gnutls_crypto.found()
 847     gnutls = gnutls_crypto
 848   else
 849     # Our min version if all we need is TLS
 850     gnutls = dependency('gnutls', version: '>=3.5.18',
 851                         method: 'pkg-config',
 852                         required: get_option('gnutls'),
 853                         kwargs: static_kwargs)
 854   endif
 855 endif
 856
 857 # We prefer use of gnutls for crypto, unless the options
 858 # explicitly asked for nettle or gcrypt.
 859 #
 860 # If gnutls isn't available for crypto, then we'll prefer
 861 # gcrypt over nettle for performance reasons.
 862 gcrypt = not_found
 863 nettle = not_found
 864 xts = 'none'
 865
 866 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
 867   error('Only one of gcrypt & nettle can be enabled')
 868 endif
 869
 870 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
 871 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
 872   gnutls_crypto = not_found
 873 endif
 874
 875 if not gnutls_crypto.found()
 876   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
 877     gcrypt = dependency('libgcrypt', version: '>=1.8',
 878                         method: 'config-tool',
 879                         required: get_option('gcrypt'),
 880                         kwargs: static_kwargs)
 881     # Debian has removed -lgpg-error from libgcrypt-config
 882     # as it "spreads unnecessary dependencies" which in
 883     # turn breaks static builds...
 884     if gcrypt.found() and enable_static
 885       gcrypt = declare_dependency(dependencies: [
 886         gcrypt,
 887         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
 888     endif
 889   endif
 890   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
 891     nettle = dependency('nettle', version: '>=3.4',
 892                         method: 'pkg-config',
 893                         required: get_option('nettle'),
 894                         kwargs: static_kwargs)
 895     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
 896       xts = 'private'
 897     endif
 898   endif
 899 endif
 900
 901 gtk = not_found
 902 gtkx11 = not_found
 903 vte = not_found
 904 if not get_option('gtk').auto() or (have_system and not cocoa.found())
 905   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
 906                    method: 'pkg-config',
 907                    required: get_option('gtk'),
 908                    kwargs: static_kwargs)
 909   if gtk.found()
 910     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
 911                         method: 'pkg-config',
 912                         required: false,
 913                         kwargs: static_kwargs)
 914     gtk = declare_dependency(dependencies: [gtk, gtkx11])
 915
 916     if not get_option('vte').auto() or have_system
 917       vte = dependency('vte-2.91',
 918                        method: 'pkg-config',
 919                        required: get_option('vte'),
 920                        kwargs: static_kwargs)
 921     endif
 922   endif
 923 endif
 924
 925 x11 = not_found
 926 if gtkx11.found()
 927   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
 928                    kwargs: static_kwargs)
 929 endif
 930 vnc = not_found
 931 png = not_found
 932 jpeg = not_found
 933 sasl = not_found
 934 if have_system and not get_option('vnc').disabled()
 935   vnc = declare_dependency() # dummy dependency
 936   png = dependency('libpng', required: get_option('vnc_png'),
 937                    method: 'pkg-config', kwargs: static_kwargs)
 938   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
 939                     method: 'pkg-config', kwargs: static_kwargs)
 940   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
 941                          required: get_option('vnc_sasl'),
 942                          kwargs: static_kwargs)
 943   if sasl.found()
 944     sasl = declare_dependency(dependencies: sasl,
 945                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
 946   endif
 947 endif
 948
 949 pam = not_found
 950 if not get_option('auth_pam').auto() or have_system
 951   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
 952                         required: get_option('auth_pam'),
 953                         kwargs: static_kwargs)
 954 endif
 955 if pam.found() and not cc.links('''
 956    #include <stddef.h>
 957    #include <security/pam_appl.h>
 958    int main(void) {
 959      const char *service_name = "qemu";
 960      const char *user = "frank";
 961      const struct pam_conv pam_conv = { 0 };
 962      pam_handle_t *pamh = NULL;
 963      pam_start(service_name, user, &pam_conv, &pamh);
 964      return 0;
 965    }''', dependencies: pam)
 966   pam = not_found
 967   if get_option('auth_pam').enabled()
 968     error('could not link libpam')
 969   else
 970     warning('could not link libpam, disabling')
 971   endif
 972 endif
 973
 974 snappy = not_found
 975 if not get_option('snappy').auto() or have_system
 976   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
 977                            required: get_option('snappy'),
 978                            kwargs: static_kwargs)
 979 endif
 980 if snappy.found() and not cc.links('''
 981    #include <snappy-c.h>
 982    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
 983   snappy = not_found
 984   if get_option('snappy').enabled()
 985     error('could not link libsnappy')
 986   else
 987     warning('could not link libsnappy, disabling')
 988   endif
 989 endif
 990
 991 lzo = not_found
 992 if not get_option('lzo').auto() or have_system
 993   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
 994                         required: get_option('lzo'),
 995                         kwargs: static_kwargs)
 996 endif
 997 if lzo.found() and not cc.links('''
 998    #include <lzo/lzo1x.h>
 999    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1000   lzo = not_found
1001   if get_option('lzo').enabled()
1002     error('could not link liblzo2')
1003   else
1004     warning('could not link liblzo2, disabling')
1005   endif
1006 endif
1007
1008 rdma = not_found
1009 if 'CONFIG_RDMA' in config_host
1010   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
1011 endif
1012 numa = not_found
1013 if 'CONFIG_NUMA' in config_host
1014   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
1015 endif
1016 xen = not_found
1017 if 'CONFIG_XEN_BACKEND' in config_host
1018   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
1019                            link_args: config_host['XEN_LIBS'].split())
1020 endif
1021 cacard = not_found
1022 if not get_option('smartcard').auto() or have_system
1023   cacard = dependency('libcacard', required: get_option('smartcard'),
1024                       version: '>=2.5.1', method: 'pkg-config',
1025                       kwargs: static_kwargs)
1026 endif
1027 u2f = not_found
1028 if have_system
1029   u2f = dependency('u2f-emu', required: get_option('u2f'),
1030                    method: 'pkg-config',
1031                    kwargs: static_kwargs)
1032 endif
1033 usbredir = not_found
1034 if not get_option('usb_redir').auto() or have_system
1035   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1036                         version: '>=0.6', method: 'pkg-config',
1037                         kwargs: static_kwargs)
1038 endif
1039 libusb = not_found
1040 if not get_option('libusb').auto() or have_system
1041   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1042                       version: '>=1.0.13', method: 'pkg-config',
1043                       kwargs: static_kwargs)
1044 endif
1045
1046 libpmem = not_found
1047 if not get_option('libpmem').auto() or have_system
1048   libpmem = dependency('libpmem', required: get_option('libpmem'),
1049                        method: 'pkg-config', kwargs: static_kwargs)
1050 endif
1051 libdaxctl = not_found
1052 if not get_option('libdaxctl').auto() or have_system
1053   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1054                          version: '>=57', method: 'pkg-config',
1055                          kwargs: static_kwargs)
1056 endif
1057 tasn1 = not_found
1058 if gnutls.found()
1059   tasn1 = dependency('libtasn1',
1060                      method: 'pkg-config',
1061                      kwargs: static_kwargs)
1062 endif
1063 keyutils = dependency('libkeyutils', required: false,
1064                       method: 'pkg-config', kwargs: static_kwargs)
1065
1066 has_gettid = cc.has_function('gettid')
1067
1068 # Malloc tests
1069
1070 malloc = []
1071 if get_option('malloc') == 'system'
1072   has_malloc_trim = \
1073     not get_option('malloc_trim').disabled() and \
1074     cc.links('''#include <malloc.h>
1075                 int main(void) { malloc_trim(0); return 0; }''')
1076 else
1077   has_malloc_trim = false
1078   malloc = cc.find_library(get_option('malloc'), required: true)
1079 endif
1080 if not has_malloc_trim and get_option('malloc_trim').enabled()
1081   if get_option('malloc') == 'system'
1082     error('malloc_trim not available on this platform.')
1083   else
1084     error('malloc_trim not available with non-libc memory allocator')
1085   endif
1086 endif
1087
1088 # Check whether the glibc provides statx()
1089
1090 gnu_source_prefix = '''
1091   #ifndef _GNU_SOURCE
1092   #define _GNU_SOURCE
1093   #endif
1094 '''
1095 statx_test = gnu_source_prefix + '''
1096   #include <sys/stat.h>
1097   int main(void) {
1098     struct statx statxbuf;
1099     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1100     return 0;
1101   }'''
1102
1103 has_statx = cc.links(statx_test)
1104
1105 have_vhost_user_blk_server = (targetos == 'linux' and
1106     'CONFIG_VHOST_USER' in config_host)
1107
1108 if get_option('vhost_user_blk_server').enabled()
1109     if targetos != 'linux'
1110         error('vhost_user_blk_server requires linux')
1111     elif 'CONFIG_VHOST_USER' not in config_host
1112         error('vhost_user_blk_server requires vhost-user support')
1113     endif
1114 elif get_option('vhost_user_blk_server').disabled() or not have_system
1115     have_vhost_user_blk_server = false
1116 endif
1117
1118
1119 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1120   error('Cannot enable fuse-lseek while fuse is disabled')
1121 endif
1122
1123 fuse = dependency('fuse3', required: get_option('fuse'),
1124                   version: '>=3.1', method: 'pkg-config',
1125                   kwargs: static_kwargs)
1126
1127 fuse_lseek = not_found
1128 if not get_option('fuse_lseek').disabled()
1129   if fuse.version().version_compare('>=3.8')
1130     # Dummy dependency
1131     fuse_lseek = declare_dependency()
1132   elif get_option('fuse_lseek').enabled()
1133     if fuse.found()
1134       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1135     else
1136       error('fuse-lseek requires libfuse, which was not found')
1137     endif
1138   endif
1139 endif
1140
1141 # libbpf
1142 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1143 if libbpf.found() and not cc.links('''
1144    #include <bpf/libbpf.h>
1145    int main(void)
1146    {
1147      bpf_object__destroy_skeleton(NULL);
1148      return 0;
1149    }''', dependencies: libbpf)
1150   libbpf = not_found
1151   if get_option('bpf').enabled()
1152     error('libbpf skeleton test failed')
1153   else
1154     warning('libbpf skeleton test failed, disabling')
1155   endif
1156 endif
1157
1158 if get_option('cfi')
1159   cfi_flags=[]
1160   # Check for dependency on LTO
1161   if not get_option('b_lto')
1162     error('Selected Control-Flow Integrity but LTO is disabled')
1163   endif
1164   if config_host.has_key('CONFIG_MODULES')
1165     error('Selected Control-Flow Integrity is not compatible with modules')
1166   endif
1167   # Check for cfi flags. CFI requires LTO so we can't use
1168   # get_supported_arguments, but need a more complex "compiles" which allows
1169   # custom arguments
1170   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1171                  args: ['-flto', '-fsanitize=cfi-icall'] )
1172     cfi_flags += '-fsanitize=cfi-icall'
1173   else
1174     error('-fsanitize=cfi-icall is not supported by the compiler')
1175   endif
1176   if cc.compiles('int main () { return 0; }',
1177                  name: '-fsanitize-cfi-icall-generalize-pointers',
1178                  args: ['-flto', '-fsanitize=cfi-icall',
1179                         '-fsanitize-cfi-icall-generalize-pointers'] )
1180     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1181   else
1182     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1183   endif
1184   if get_option('cfi_debug')
1185     if cc.compiles('int main () { return 0; }',
1186                    name: '-fno-sanitize-trap=cfi-icall',
1187                    args: ['-flto', '-fsanitize=cfi-icall',
1188                           '-fno-sanitize-trap=cfi-icall'] )
1189       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1190     else
1191       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1192     endif
1193   endif
1194   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1195   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1196 endif
1197
1198 have_host_block_device = (targetos != 'darwin' or
1199     cc.has_header('IOKit/storage/IOMedia.h'))
1200
1201 #################
1202 # config-host.h #
1203 #################
1204
1205 have_virtfs = (targetos == 'linux' and
1206     have_system and
1207     libattr.found() and
1208     libcap_ng.found())
1209
1210 have_virtfs_proxy_helper = have_virtfs and have_tools
1211
1212 if get_option('virtfs').enabled()
1213   if not have_virtfs
1214     if targetos != 'linux'
1215       error('virtio-9p (virtfs) requires Linux')
1216     elif not libcap_ng.found() or not libattr.found()
1217       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1218     elif not have_system
1219       error('virtio-9p (virtfs) needs system emulation support')
1220     endif
1221   endif
1222 elif get_option('virtfs').disabled()
1223   have_virtfs = false
1224 endif
1225
1226 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1227 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1228 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1229 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1230 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1231 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1232 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1233 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1234 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1235 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1236 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1237 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1238
1239 config_host_data.set('CONFIG_ATTR', libattr.found())
1240 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1241 config_host_data.set('CONFIG_COCOA', cocoa.found())
1242 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1243 config_host_data.set('CONFIG_LZO', lzo.found())
1244 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1245 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1246 config_host_data.set('CONFIG_CURL', curl.found())
1247 config_host_data.set('CONFIG_CURSES', curses.found())
1248 config_host_data.set('CONFIG_GBM', gbm.found())
1249 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1250 if glusterfs.found()
1251   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1252   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1253   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1254   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1255   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1256   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1257 endif
1258 config_host_data.set('CONFIG_GTK', gtk.found())
1259 config_host_data.set('CONFIG_VTE', vte.found())
1260 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1261 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1262 config_host_data.set('CONFIG_EBPF', libbpf.found())
1263 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1264 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1265 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1266 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1267 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1268 config_host_data.set('CONFIG_RBD', rbd.found())
1269 config_host_data.set('CONFIG_SDL', sdl.found())
1270 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1271 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1272 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1273 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1274 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1275 config_host_data.set('CONFIG_VNC', vnc.found())
1276 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1277 config_host_data.set('CONFIG_VNC_PNG', png.found())
1278 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1279 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1280 config_host_data.set('CONFIG_VTE', vte.found())
1281 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1282 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1283 config_host_data.set('CONFIG_GETTID', has_gettid)
1284 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1285 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1286 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1287 config_host_data.set('CONFIG_NETTLE', nettle.found())
1288 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1289 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1290 config_host_data.set('CONFIG_STATX', has_statx)
1291 config_host_data.set('CONFIG_ZSTD', zstd.found())
1292 config_host_data.set('CONFIG_FUSE', fuse.found())
1293 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1294 config_host_data.set('CONFIG_X11', x11.found())
1295 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1296 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1297 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1298 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1299 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1300
1301 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1302
1303 # has_header
1304 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1305 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1306 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1307 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1308 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1309 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1310 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1311 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1312 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1313
1314 # has_function
1315 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1316 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1317 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1318 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1319 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1320 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
1321 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1322 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1323 config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1324 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1325 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1326 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1327 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1328 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1329 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1330 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1331 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1332 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1333
1334 # has_header_symbol
1335 config_host_data.set('CONFIG_BYTESWAP_H',
1336                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1337 config_host_data.set('CONFIG_EPOLL_CREATE1',
1338                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1339 config_host_data.set('CONFIG_HAS_ENVIRON',
1340                      cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1341 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1342                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1343                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1344 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1345                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1346 config_host_data.set('CONFIG_FIEMAP',
1347                      cc.has_header('linux/fiemap.h') and
1348                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1349 config_host_data.set('CONFIG_GETRANDOM',
1350                      cc.has_function('getrandom') and
1351                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1352 config_host_data.set('CONFIG_INOTIFY',
1353                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1354 config_host_data.set('CONFIG_INOTIFY1',
1355                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1356 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1357                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1358                                           prefix: '''#include <sys/endian.h>
1359                                                      #include <sys/types.h>'''))
1360 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1361                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1362 config_host_data.set('CONFIG_RTNETLINK',
1363                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1364 config_host_data.set('CONFIG_SYSMACROS',
1365                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1366 config_host_data.set('HAVE_OPTRESET',
1367                      cc.has_header_symbol('getopt.h', 'optreset'))
1368 config_host_data.set('HAVE_UTMPX',
1369                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
1370
1371 # has_member
1372 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1373                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1374                                    prefix: '#include <signal.h>'))
1375 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1376                      cc.has_member('struct stat', 'st_atim',
1377                                    prefix: '#include <sys/stat.h>'))
1378
1379 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1380   #include <sys/eventfd.h>
1381   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1382 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1383   #include <unistd.h>
1384   int main(void) {
1385   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1386   return fdatasync(0);
1387   #else
1388   #error Not supported
1389   #endif
1390   }'''))
1391 config_host_data.set('CONFIG_MADVISE', cc.links(gnu_source_prefix + '''
1392   #include <sys/types.h>
1393   #include <sys/mman.h>
1394   #include <stddef.h>
1395   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1396 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1397   #include <sys/mman.h>
1398   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1399 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1400   #include <fcntl.h>
1401   #if !defined(AT_EMPTY_PATH)
1402   # error missing definition
1403   #else
1404   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1405   #endif'''))
1406 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1407   #include <unistd.h>
1408   #include <fcntl.h>
1409
1410   int main(void)
1411   {
1412       int pipefd[2];
1413       return pipe2(pipefd, O_CLOEXEC);
1414   }'''))
1415 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1416   #include <sys/mman.h>
1417   #include <stddef.h>
1418   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1419 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1420   #include <unistd.h>
1421   #include <sys/syscall.h>
1422   #include <signal.h>
1423   int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }'''))
1424 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1425   #include <unistd.h>
1426   #include <fcntl.h>
1427   #include <limits.h>
1428
1429   int main(void)
1430   {
1431     int len, fd = 0;
1432     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1433     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1434     return 0;
1435   }'''))
1436
1437 # Some versions of Mac OS X incorrectly define SIZE_MAX
1438 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1439     #include <stdint.h>
1440     #include <stdio.h>
1441     int main(int argc, char *argv[]) {
1442         return printf("%zu", SIZE_MAX);
1443     }''', args: ['-Werror']))
1444
1445
1446 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
1447 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1448 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
1449 foreach k, v: config_host
1450   if ignored.contains(k)
1451     # do nothing
1452   elif arrays.contains(k)
1453     if v != ''
1454       v = '"' + '", "'.join(v.split()) + '", '
1455     endif
1456     config_host_data.set(k, v)
1457   elif k == 'ARCH'
1458     config_host_data.set('HOST_' + v.to_upper(), 1)
1459   elif strings.contains(k)
1460     if not k.startswith('CONFIG_')
1461       k = 'CONFIG_' + k.to_upper()
1462     endif
1463     config_host_data.set_quoted(k, v)
1464   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
1465     config_host_data.set(k, v == 'y' ? 1 : v)
1466   endif
1467 endforeach
1468
1469 ########################
1470 # Target configuration #
1471 ########################
1472
1473 minikconf = find_program('scripts/minikconf.py')
1474 config_all = {}
1475 config_all_devices = {}
1476 config_all_disas = {}
1477 config_devices_mak_list = []
1478 config_devices_h = {}
1479 config_target_h = {}
1480 config_target_mak = {}
1481
1482 disassemblers = {
1483   'alpha' : ['CONFIG_ALPHA_DIS'],
1484   'arm' : ['CONFIG_ARM_DIS'],
1485   'avr' : ['CONFIG_AVR_DIS'],
1486   'cris' : ['CONFIG_CRIS_DIS'],
1487   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1488   'hppa' : ['CONFIG_HPPA_DIS'],
1489   'i386' : ['CONFIG_I386_DIS'],
1490   'x86_64' : ['CONFIG_I386_DIS'],
1491   'x32' : ['CONFIG_I386_DIS'],
1492   'm68k' : ['CONFIG_M68K_DIS'],
1493   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1494   'mips' : ['CONFIG_MIPS_DIS'],
1495   'nios2' : ['CONFIG_NIOS2_DIS'],
1496   'or1k' : ['CONFIG_OPENRISC_DIS'],
1497   'ppc' : ['CONFIG_PPC_DIS'],
1498   'riscv' : ['CONFIG_RISCV_DIS'],
1499   'rx' : ['CONFIG_RX_DIS'],
1500   's390' : ['CONFIG_S390_DIS'],
1501   'sh4' : ['CONFIG_SH4_DIS'],
1502   'sparc' : ['CONFIG_SPARC_DIS'],
1503   'xtensa' : ['CONFIG_XTENSA_DIS'],
1504 }
1505 if link_language == 'cpp'
1506   disassemblers += {
1507     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1508     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1509     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1510   }
1511 endif
1512
1513 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
1514 host_kconfig = \
1515   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1516   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
1517   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
1518   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1519   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1520   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1521   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1522   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1523   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1524   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1525   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1526   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1527
1528 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1529
1530 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1531 actual_target_dirs = []
1532 fdt_required = []
1533 foreach target : target_dirs
1534   config_target = { 'TARGET_NAME': target.split('-')[0] }
1535   if target.endswith('linux-user')
1536     if targetos != 'linux'
1537       if default_targets
1538         continue
1539       endif
1540       error('Target @0@ is only available on a Linux host'.format(target))
1541     endif
1542     config_target += { 'CONFIG_LINUX_USER': 'y' }
1543   elif target.endswith('bsd-user')
1544     if 'CONFIG_BSD' not in config_host
1545       if default_targets
1546         continue
1547       endif
1548       error('Target @0@ is only available on a BSD host'.format(target))
1549     endif
1550     config_target += { 'CONFIG_BSD_USER': 'y' }
1551   elif target.endswith('softmmu')
1552     config_target += { 'CONFIG_SOFTMMU': 'y' }
1553   endif
1554   if target.endswith('-user')
1555     config_target += {
1556       'CONFIG_USER_ONLY': 'y',
1557       'CONFIG_QEMU_INTERP_PREFIX':
1558         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1559     }
1560   endif
1561
1562   accel_kconfig = []
1563   foreach sym: accelerators
1564     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1565       config_target += { sym: 'y' }
1566       config_all += { sym: 'y' }
1567       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1568         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1569       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1570         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1571       endif
1572       if target in modular_tcg
1573         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
1574       else
1575         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
1576       endif
1577       accel_kconfig += [ sym + '=y' ]
1578     endif
1579   endforeach
1580   if accel_kconfig.length() == 0
1581     if default_targets
1582       continue
1583     endif
1584     error('No accelerator available for target @0@'.format(target))
1585   endif
1586
1587   actual_target_dirs += target
1588   config_target += keyval.load('configs/targets' / target + '.mak')
1589   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1590
1591   if 'TARGET_NEED_FDT' in config_target
1592     fdt_required += target
1593   endif
1594
1595   # Add default keys
1596   if 'TARGET_BASE_ARCH' not in config_target
1597     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1598   endif
1599   if 'TARGET_ABI_DIR' not in config_target
1600     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1601   endif
1602
1603   foreach k, v: disassemblers
1604     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1605       foreach sym: v
1606         config_target += { sym: 'y' }
1607         config_all_disas += { sym: 'y' }
1608       endforeach
1609     endif
1610   endforeach
1611
1612   config_target_data = configuration_data()
1613   foreach k, v: config_target
1614     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1615       # do nothing
1616     elif ignored.contains(k)
1617       # do nothing
1618     elif k == 'TARGET_BASE_ARCH'
1619       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1620       # not used to select files from sourcesets.
1621       config_target_data.set('TARGET_' + v.to_upper(), 1)
1622     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1623       config_target_data.set_quoted(k, v)
1624     elif v == 'y'
1625       config_target_data.set(k, 1)
1626     else
1627       config_target_data.set(k, v)
1628     endif
1629   endforeach
1630   config_target_data.set('QEMU_ARCH',
1631                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
1632   config_target_h += {target: configure_file(output: target + '-config-target.h',
1633                                                configuration: config_target_data)}
1634
1635   if target.endswith('-softmmu')
1636     config_input = meson.get_external_property(target, 'default')
1637     config_devices_mak = target + '-config-devices.mak'
1638     config_devices_mak = configure_file(
1639       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
1640       output: config_devices_mak,
1641       depfile: config_devices_mak + '.d',
1642       capture: true,
1643       command: [minikconf,
1644                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1645                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1646                 host_kconfig, accel_kconfig,
1647                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
1648
1649     config_devices_data = configuration_data()
1650     config_devices = keyval.load(config_devices_mak)
1651     foreach k, v: config_devices
1652       config_devices_data.set(k, 1)
1653     endforeach
1654     config_devices_mak_list += config_devices_mak
1655     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1656                                                 configuration: config_devices_data)}
1657     config_target += config_devices
1658     config_all_devices += config_devices
1659   endif
1660   config_target_mak += {target: config_target}
1661 endforeach
1662 target_dirs = actual_target_dirs
1663
1664 # This configuration is used to build files that are shared by
1665 # multiple binaries, and then extracted out of the "common"
1666 # static_library target.
1667 #
1668 # We do not use all_sources()/all_dependencies(), because it would
1669 # build literally all source files, including devices only used by
1670 # targets that are not built for this compilation.  The CONFIG_ALL
1671 # pseudo symbol replaces it.
1672
1673 config_all += config_all_devices
1674 config_all += config_host
1675 config_all += config_all_disas
1676 config_all += {
1677   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1678   'CONFIG_SOFTMMU': have_system,
1679   'CONFIG_USER_ONLY': have_user,
1680   'CONFIG_ALL': true,
1681 }
1682
1683 ##############
1684 # Submodules #
1685 ##############
1686
1687 capstone = not_found
1688 capstone_opt = get_option('capstone')
1689 if capstone_opt in ['enabled', 'auto', 'system']
1690   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1691   capstone = dependency('capstone', version: '>=4.0',
1692                         kwargs: static_kwargs, method: 'pkg-config',
1693                         required: capstone_opt == 'system' or
1694                                   capstone_opt == 'enabled' and not have_internal)
1695
1696   # Some versions of capstone have broken pkg-config file
1697   # that reports a wrong -I path, causing the #include to
1698   # fail later. If the system has such a broken version
1699   # do not use it.
1700   if capstone.found() and not cc.compiles('#include <capstone.h>',
1701                                           dependencies: [capstone])
1702     capstone = not_found
1703     if capstone_opt == 'system'
1704       error('system capstone requested, it does not appear to work')
1705     endif
1706   endif
1707
1708   if capstone.found()
1709     capstone_opt = 'system'
1710   elif have_internal
1711     capstone_opt = 'internal'
1712   else
1713     capstone_opt = 'disabled'
1714   endif
1715 endif
1716 if capstone_opt == 'internal'
1717   capstone_data = configuration_data()
1718   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1719
1720   capstone_files = files(
1721     'capstone/cs.c',
1722     'capstone/MCInst.c',
1723     'capstone/MCInstrDesc.c',
1724     'capstone/MCRegisterInfo.c',
1725     'capstone/SStream.c',
1726     'capstone/utils.c'
1727   )
1728
1729   if 'CONFIG_ARM_DIS' in config_all_disas
1730     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1731     capstone_files += files(
1732       'capstone/arch/ARM/ARMDisassembler.c',
1733       'capstone/arch/ARM/ARMInstPrinter.c',
1734       'capstone/arch/ARM/ARMMapping.c',
1735       'capstone/arch/ARM/ARMModule.c'
1736     )
1737   endif
1738
1739   # FIXME: This config entry currently depends on a c++ compiler.
1740   # Which is needed for building libvixl, but not for capstone.
1741   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1742     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1743     capstone_files += files(
1744       'capstone/arch/AArch64/AArch64BaseInfo.c',
1745       'capstone/arch/AArch64/AArch64Disassembler.c',
1746       'capstone/arch/AArch64/AArch64InstPrinter.c',
1747       'capstone/arch/AArch64/AArch64Mapping.c',
1748       'capstone/arch/AArch64/AArch64Module.c'
1749     )
1750   endif
1751
1752   if 'CONFIG_PPC_DIS' in config_all_disas
1753     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1754     capstone_files += files(
1755       'capstone/arch/PowerPC/PPCDisassembler.c',
1756       'capstone/arch/PowerPC/PPCInstPrinter.c',
1757       'capstone/arch/PowerPC/PPCMapping.c',
1758       'capstone/arch/PowerPC/PPCModule.c'
1759     )
1760   endif
1761
1762   if 'CONFIG_S390_DIS' in config_all_disas
1763     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1764     capstone_files += files(
1765       'capstone/arch/SystemZ/SystemZDisassembler.c',
1766       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1767       'capstone/arch/SystemZ/SystemZMapping.c',
1768       'capstone/arch/SystemZ/SystemZModule.c',
1769       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1770     )
1771   endif
1772
1773   if 'CONFIG_I386_DIS' in config_all_disas
1774     capstone_data.set('CAPSTONE_HAS_X86', 1)
1775     capstone_files += files(
1776       'capstone/arch/X86/X86Disassembler.c',
1777       'capstone/arch/X86/X86DisassemblerDecoder.c',
1778       'capstone/arch/X86/X86ATTInstPrinter.c',
1779       'capstone/arch/X86/X86IntelInstPrinter.c',
1780       'capstone/arch/X86/X86InstPrinterCommon.c',
1781       'capstone/arch/X86/X86Mapping.c',
1782       'capstone/arch/X86/X86Module.c'
1783     )
1784   endif
1785
1786   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1787
1788   capstone_cargs = [
1789     # FIXME: There does not seem to be a way to completely replace the c_args
1790     # that come from add_project_arguments() -- we can only add to them.
1791     # So: disable all warnings with a big hammer.
1792     '-Wno-error', '-w',
1793
1794     # Include all configuration defines via a header file, which will wind up
1795     # as a dependency on the object file, and thus changes here will result
1796     # in a rebuild.
1797     '-include', 'capstone-defs.h'
1798   ]
1799
1800   libcapstone = static_library('capstone',
1801                                build_by_default: false,
1802                                sources: capstone_files,
1803                                c_args: capstone_cargs,
1804                                include_directories: 'capstone/include')
1805   capstone = declare_dependency(link_with: libcapstone,
1806                                 include_directories: 'capstone/include/capstone')
1807 endif
1808
1809 slirp = not_found
1810 slirp_opt = 'disabled'
1811 if have_system
1812   slirp_opt = get_option('slirp')
1813   if slirp_opt in ['enabled', 'auto', 'system']
1814     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1815     slirp = dependency('slirp', kwargs: static_kwargs,
1816                        method: 'pkg-config',
1817                        required: slirp_opt == 'system' or
1818                                  slirp_opt == 'enabled' and not have_internal)
1819     if slirp.found()
1820       slirp_opt = 'system'
1821     elif have_internal
1822       slirp_opt = 'internal'
1823     else
1824       slirp_opt = 'disabled'
1825     endif
1826   endif
1827   if slirp_opt == 'internal'
1828     slirp_deps = []
1829     if targetos == 'windows'
1830       slirp_deps = cc.find_library('iphlpapi')
1831     elif targetos == 'darwin'
1832       slirp_deps = cc.find_library('resolv')
1833     endif
1834     slirp_conf = configuration_data()
1835     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1836     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1837     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1838     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1839     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1840     slirp_files = [
1841       'slirp/src/arp_table.c',
1842       'slirp/src/bootp.c',
1843       'slirp/src/cksum.c',
1844       'slirp/src/dhcpv6.c',
1845       'slirp/src/dnssearch.c',
1846       'slirp/src/if.c',
1847       'slirp/src/ip6_icmp.c',
1848       'slirp/src/ip6_input.c',
1849       'slirp/src/ip6_output.c',
1850       'slirp/src/ip_icmp.c',
1851       'slirp/src/ip_input.c',
1852       'slirp/src/ip_output.c',
1853       'slirp/src/mbuf.c',
1854       'slirp/src/misc.c',
1855       'slirp/src/ncsi.c',
1856       'slirp/src/ndp_table.c',
1857       'slirp/src/sbuf.c',
1858       'slirp/src/slirp.c',
1859       'slirp/src/socket.c',
1860       'slirp/src/state.c',
1861       'slirp/src/stream.c',
1862       'slirp/src/tcp_input.c',
1863       'slirp/src/tcp_output.c',
1864       'slirp/src/tcp_subr.c',
1865       'slirp/src/tcp_timer.c',
1866       'slirp/src/tftp.c',
1867       'slirp/src/udp.c',
1868       'slirp/src/udp6.c',
1869       'slirp/src/util.c',
1870       'slirp/src/version.c',
1871       'slirp/src/vmstate.c',
1872     ]
1873
1874     configure_file(
1875       input : 'slirp/src/libslirp-version.h.in',
1876       output : 'libslirp-version.h',
1877       configuration: slirp_conf)
1878
1879     slirp_inc = include_directories('slirp', 'slirp/src')
1880     libslirp = static_library('slirp',
1881                               build_by_default: false,
1882                               sources: slirp_files,
1883                               c_args: slirp_cargs,
1884                               include_directories: slirp_inc)
1885     slirp = declare_dependency(link_with: libslirp,
1886                                dependencies: slirp_deps,
1887                                include_directories: slirp_inc)
1888   endif
1889 endif
1890
1891 # For CFI, we need to compile slirp as a static library together with qemu.
1892 # This is because we register slirp functions as callbacks for QEMU Timers.
1893 # When using a system-wide shared libslirp, the type information for the
1894 # callback is missing and the timer call produces a false positive with CFI.
1895 #
1896 # Now that slirp_opt has been defined, check if the selected slirp is compatible
1897 # with control-flow integrity.
1898 if get_option('cfi') and slirp_opt == 'system'
1899   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
1900          + ' Please configure with --enable-slirp=git')
1901 endif
1902
1903 fdt = not_found
1904 fdt_opt = get_option('fdt')
1905 if have_system
1906   if fdt_opt in ['enabled', 'auto', 'system']
1907     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1908     fdt = cc.find_library('fdt', kwargs: static_kwargs,
1909                           required: fdt_opt == 'system' or
1910                                     fdt_opt == 'enabled' and not have_internal)
1911     if fdt.found() and cc.links('''
1912        #include <libfdt.h>
1913        #include <libfdt_env.h>
1914        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1915          dependencies: fdt)
1916       fdt_opt = 'system'
1917     elif fdt_opt == 'system'
1918        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
1919     elif have_internal
1920       fdt_opt = 'internal'
1921     else
1922       fdt_opt = 'disabled'
1923       fdt = not_found
1924     endif
1925   endif
1926   if fdt_opt == 'internal'
1927     fdt_files = files(
1928       'dtc/libfdt/fdt.c',
1929       'dtc/libfdt/fdt_ro.c',
1930       'dtc/libfdt/fdt_wip.c',
1931       'dtc/libfdt/fdt_sw.c',
1932       'dtc/libfdt/fdt_rw.c',
1933       'dtc/libfdt/fdt_strerror.c',
1934       'dtc/libfdt/fdt_empty_tree.c',
1935       'dtc/libfdt/fdt_addresses.c',
1936       'dtc/libfdt/fdt_overlay.c',
1937       'dtc/libfdt/fdt_check.c',
1938     )
1939
1940     fdt_inc = include_directories('dtc/libfdt')
1941     libfdt = static_library('fdt',
1942                             build_by_default: false,
1943                             sources: fdt_files,
1944                             include_directories: fdt_inc)
1945     fdt = declare_dependency(link_with: libfdt,
1946                              include_directories: fdt_inc)
1947   endif
1948 endif
1949 if not fdt.found() and fdt_required.length() > 0
1950   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1951 endif
1952
1953 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1954 config_host_data.set('CONFIG_FDT', fdt.found())
1955 config_host_data.set('CONFIG_SLIRP', slirp.found())
1956
1957 #####################
1958 # Generated sources #
1959 #####################
1960
1961 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1962
1963 hxtool = find_program('scripts/hxtool')
1964 shaderinclude = find_program('scripts/shaderinclude.pl')
1965 qapi_gen = find_program('scripts/qapi-gen.py')
1966 qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
1967                      meson.source_root() / 'scripts/qapi/commands.py',
1968                      meson.source_root() / 'scripts/qapi/common.py',
1969                      meson.source_root() / 'scripts/qapi/error.py',
1970                      meson.source_root() / 'scripts/qapi/events.py',
1971                      meson.source_root() / 'scripts/qapi/expr.py',
1972                      meson.source_root() / 'scripts/qapi/gen.py',
1973                      meson.source_root() / 'scripts/qapi/introspect.py',
1974                      meson.source_root() / 'scripts/qapi/parser.py',
1975                      meson.source_root() / 'scripts/qapi/schema.py',
1976                      meson.source_root() / 'scripts/qapi/source.py',
1977                      meson.source_root() / 'scripts/qapi/types.py',
1978                      meson.source_root() / 'scripts/qapi/visit.py',
1979                      meson.source_root() / 'scripts/qapi/common.py',
1980                      meson.source_root() / 'scripts/qapi-gen.py'
1981 ]
1982
1983 tracetool = [
1984   python, files('scripts/tracetool.py'),
1985    '--backend=' + config_host['TRACE_BACKENDS']
1986 ]
1987 tracetool_depends = files(
1988   'scripts/tracetool/backend/log.py',
1989   'scripts/tracetool/backend/__init__.py',
1990   'scripts/tracetool/backend/dtrace.py',
1991   'scripts/tracetool/backend/ftrace.py',
1992   'scripts/tracetool/backend/simple.py',
1993   'scripts/tracetool/backend/syslog.py',
1994   'scripts/tracetool/backend/ust.py',
1995   'scripts/tracetool/format/tcg_h.py',
1996   'scripts/tracetool/format/ust_events_c.py',
1997   'scripts/tracetool/format/ust_events_h.py',
1998   'scripts/tracetool/format/__init__.py',
1999   'scripts/tracetool/format/d.py',
2000   'scripts/tracetool/format/tcg_helper_c.py',
2001   'scripts/tracetool/format/simpletrace_stap.py',
2002   'scripts/tracetool/format/c.py',
2003   'scripts/tracetool/format/h.py',
2004   'scripts/tracetool/format/tcg_helper_h.py',
2005   'scripts/tracetool/format/log_stap.py',
2006   'scripts/tracetool/format/stap.py',
2007   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
2008   'scripts/tracetool/__init__.py',
2009   'scripts/tracetool/transform.py',
2010   'scripts/tracetool/vcpu.py'
2011 )
2012
2013 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2014                     meson.current_source_dir(),
2015                     config_host['PKGVERSION'], meson.project_version()]
2016 qemu_version = custom_target('qemu-version.h',
2017                              output: 'qemu-version.h',
2018                              command: qemu_version_cmd,
2019                              capture: true,
2020                              build_by_default: true,
2021                              build_always_stale: true)
2022 genh += qemu_version
2023
2024 hxdep = []
2025 hx_headers = [
2026   ['qemu-options.hx', 'qemu-options.def'],
2027   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2028 ]
2029 if have_system
2030   hx_headers += [
2031     ['hmp-commands.hx', 'hmp-commands.h'],
2032     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2033   ]
2034 endif
2035 foreach d : hx_headers
2036   hxdep += custom_target(d[1],
2037                 input: files(d[0]),
2038                 output: d[1],
2039                 capture: true,
2040                 build_by_default: true, # to be removed when added to a target
2041                 command: [hxtool, '-h', '@INPUT0@'])
2042 endforeach
2043 genh += hxdep
2044
2045 ###################
2046 # Collect sources #
2047 ###################
2048
2049 authz_ss = ss.source_set()
2050 blockdev_ss = ss.source_set()
2051 block_ss = ss.source_set()
2052 bsd_user_ss = ss.source_set()
2053 chardev_ss = ss.source_set()
2054 common_ss = ss.source_set()
2055 crypto_ss = ss.source_set()
2056 io_ss = ss.source_set()
2057 linux_user_ss = ss.source_set()
2058 qmp_ss = ss.source_set()
2059 qom_ss = ss.source_set()
2060 softmmu_ss = ss.source_set()
2061 specific_fuzz_ss = ss.source_set()
2062 specific_ss = ss.source_set()
2063 stub_ss = ss.source_set()
2064 trace_ss = ss.source_set()
2065 user_ss = ss.source_set()
2066 util_ss = ss.source_set()
2067
2068 # accel modules
2069 qtest_module_ss = ss.source_set()
2070 tcg_module_ss = ss.source_set()
2071
2072 modules = {}
2073 target_modules = {}
2074 hw_arch = {}
2075 target_arch = {}
2076 target_softmmu_arch = {}
2077 target_user_arch = {}
2078
2079 ###############
2080 # Trace files #
2081 ###############
2082
2083 # TODO: add each directory to the subdirs from its own meson.build, once
2084 # we have those
2085 trace_events_subdirs = [
2086   'crypto',
2087   'qapi',
2088   'qom',
2089   'monitor',
2090   'util',
2091 ]
2092 if have_user
2093   trace_events_subdirs += [ 'linux-user' ]
2094 endif
2095 if have_block
2096   trace_events_subdirs += [
2097     'authz',
2098     'block',
2099     'io',
2100     'nbd',
2101     'scsi',
2102   ]
2103 endif
2104 if have_system
2105   trace_events_subdirs += [
2106     'accel/kvm',
2107     'audio',
2108     'backends',
2109     'backends/tpm',
2110     'chardev',
2111     'ebpf',
2112     'hw/9pfs',
2113     'hw/acpi',
2114     'hw/adc',
2115     'hw/alpha',
2116     'hw/arm',
2117     'hw/audio',
2118     'hw/block',
2119     'hw/block/dataplane',
2120     'hw/char',
2121     'hw/display',
2122     'hw/dma',
2123     'hw/hppa',
2124     'hw/hyperv',
2125     'hw/i2c',
2126     'hw/i386',
2127     'hw/i386/xen',
2128     'hw/ide',
2129     'hw/input',
2130     'hw/intc',
2131     'hw/isa',
2132     'hw/mem',
2133     'hw/mips',
2134     'hw/misc',
2135     'hw/misc/macio',
2136     'hw/net',
2137     'hw/net/can',
2138     'hw/nvme',
2139     'hw/nvram',
2140     'hw/pci',
2141     'hw/pci-host',
2142     'hw/ppc',
2143     'hw/rdma',
2144     'hw/rdma/vmw',
2145     'hw/rtc',
2146     'hw/s390x',
2147     'hw/scsi',
2148     'hw/sd',
2149     'hw/sparc',
2150     'hw/sparc64',
2151     'hw/ssi',
2152     'hw/timer',
2153     'hw/tpm',
2154     'hw/usb',
2155     'hw/vfio',
2156     'hw/virtio',
2157     'hw/watchdog',
2158     'hw/xen',
2159     'hw/gpio',
2160     'migration',
2161     'net',
2162     'softmmu',
2163     'ui',
2164     'hw/remote',
2165   ]
2166 endif
2167 if have_system or have_user
2168   trace_events_subdirs += [
2169     'accel/tcg',
2170     'hw/core',
2171     'target/arm',
2172     'target/arm/hvf',
2173     'target/hppa',
2174     'target/i386',
2175     'target/i386/kvm',
2176     'target/mips/tcg',
2177     'target/ppc',
2178     'target/riscv',
2179     'target/s390x',
2180     'target/s390x/kvm',
2181     'target/sparc',
2182   ]
2183 endif
2184
2185 vhost_user = not_found
2186 if 'CONFIG_VHOST_USER' in config_host
2187   libvhost_user = subproject('libvhost-user')
2188   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2189 endif
2190
2191 subdir('qapi')
2192 subdir('qobject')
2193 subdir('stubs')
2194 subdir('trace')
2195 subdir('util')
2196 subdir('qom')
2197 subdir('authz')
2198 subdir('crypto')
2199 subdir('ui')
2200
2201
2202 if enable_modules
2203   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2204   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2205 endif
2206
2207 stub_ss = stub_ss.apply(config_all, strict: false)
2208
2209 util_ss.add_all(trace_ss)
2210 util_ss = util_ss.apply(config_all, strict: false)
2211 libqemuutil = static_library('qemuutil',
2212                              sources: util_ss.sources() + stub_ss.sources() + genh,
2213                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2214 qemuutil = declare_dependency(link_with: libqemuutil,
2215                               sources: genh + version_res)
2216
2217 if have_system or have_user
2218   decodetree = generator(find_program('scripts/decodetree.py'),
2219                          output: 'decode-@BASENAME@.c.inc',
2220                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2221   subdir('libdecnumber')
2222   subdir('target')
2223 endif
2224
2225 subdir('audio')
2226 subdir('io')
2227 subdir('chardev')
2228 subdir('fsdev')
2229 subdir('dump')
2230
2231 if have_block
2232   block_ss.add(files(
2233     'block.c',
2234     'blockjob.c',
2235     'job.c',
2236     'qemu-io-cmds.c',
2237   ))
2238   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
2239
2240   subdir('nbd')
2241   subdir('scsi')
2242   subdir('block')
2243
2244   blockdev_ss.add(files(
2245     'blockdev.c',
2246     'blockdev-nbd.c',
2247     'iothread.c',
2248     'job-qmp.c',
2249   ), gnutls)
2250
2251   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2252   # os-win32.c does not
2253   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2254   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2255 endif
2256
2257 common_ss.add(files('cpus-common.c'))
2258
2259 subdir('softmmu')
2260
2261 common_ss.add(capstone)
2262 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2263
2264 # Work around a gcc bug/misfeature wherein constant propagation looks
2265 # through an alias:
2266 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2267 # to guess that a const variable is always zero.  Without lto, this is
2268 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2269 # without lto, not even the alias is required -- we simply use different
2270 # declarations in different compilation units.
2271 pagevary = files('page-vary-common.c')
2272 if get_option('b_lto')
2273   pagevary_flags = ['-fno-lto']
2274   if get_option('cfi')
2275     pagevary_flags += '-fno-sanitize=cfi-icall'
2276   endif
2277   pagevary = static_library('page-vary-common', sources: pagevary,
2278                             c_args: pagevary_flags)
2279   pagevary = declare_dependency(link_with: pagevary)
2280 endif
2281 common_ss.add(pagevary)
2282 specific_ss.add(files('page-vary.c'))
2283
2284 subdir('backends')
2285 subdir('disas')
2286 subdir('migration')
2287 subdir('monitor')
2288 subdir('net')
2289 subdir('replay')
2290 subdir('semihosting')
2291 subdir('hw')
2292 subdir('tcg')
2293 subdir('fpu')
2294 subdir('accel')
2295 subdir('plugins')
2296 subdir('bsd-user')
2297 subdir('linux-user')
2298 subdir('ebpf')
2299
2300 common_ss.add(libbpf)
2301
2302 bsd_user_ss.add(files('gdbstub.c'))
2303 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2304
2305 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
2306 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2307
2308 # needed for fuzzing binaries
2309 subdir('tests/qtest/libqos')
2310 subdir('tests/qtest/fuzz')
2311
2312 # accel modules
2313 tcg_real_module_ss = ss.source_set()
2314 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2315 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2316 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2317                                 'tcg': tcg_real_module_ss }}
2318
2319 ########################
2320 # Library dependencies #
2321 ########################
2322
2323 modinfo_collect = find_program('scripts/modinfo-collect.py')
2324 modinfo_generate = find_program('scripts/modinfo-generate.py')
2325 modinfo_files = []
2326
2327 block_mods = []
2328 softmmu_mods = []
2329 foreach d, list : modules
2330   foreach m, module_ss : list
2331     if enable_modules and targetos != 'windows'
2332       module_ss = module_ss.apply(config_all, strict: false)
2333       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2334                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2335       if d == 'block'
2336         block_mods += sl
2337       else
2338         softmmu_mods += sl
2339       endif
2340       if module_ss.sources() != []
2341         # FIXME: Should use sl.extract_all_objects(recursive: true) as
2342         # input. Sources can be used multiple times but objects are
2343         # unique when it comes to lookup in compile_commands.json.
2344         # Depnds on a mesion version with
2345         # https://github.com/mesonbuild/meson/pull/8900
2346         modinfo_files += custom_target(d + '-' + m + '.modinfo',
2347                                        output: d + '-' + m + '.modinfo',
2348                                        input: module_ss.sources() + genh,
2349                                        capture: true,
2350                                        command: [modinfo_collect, module_ss.sources()])
2351       endif
2352     else
2353       if d == 'block'
2354         block_ss.add_all(module_ss)
2355       else
2356         softmmu_ss.add_all(module_ss)
2357       endif
2358     endif
2359   endforeach
2360 endforeach
2361
2362 foreach d, list : target_modules
2363   foreach m, module_ss : list
2364     if enable_modules and targetos != 'windows'
2365       foreach target : target_dirs
2366         if target.endswith('-softmmu')
2367           config_target = config_target_mak[target]
2368           config_target += config_host
2369           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2370           c_args = ['-DNEED_CPU_H',
2371                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2372                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2373           target_module_ss = module_ss.apply(config_target, strict: false)
2374           if target_module_ss.sources() != []
2375             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2376             sl = static_library(module_name,
2377                                 [genh, target_module_ss.sources()],
2378                                 dependencies: [modulecommon, target_module_ss.dependencies()],
2379                                 include_directories: target_inc,
2380                                 c_args: c_args,
2381                                 pic: true)
2382             softmmu_mods += sl
2383             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2384             modinfo_files += custom_target(module_name + '.modinfo',
2385                                            output: module_name + '.modinfo',
2386                                            input: target_module_ss.sources() + genh,
2387                                            capture: true,
2388                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2389           endif
2390         endif
2391       endforeach
2392     else
2393       specific_ss.add_all(module_ss)
2394     endif
2395   endforeach
2396 endforeach
2397
2398 if enable_modules
2399   modinfo_src = custom_target('modinfo.c',
2400                               output: 'modinfo.c',
2401                               input: modinfo_files,
2402                               command: [modinfo_generate, '@INPUT@'],
2403                               capture: true)
2404   modinfo_lib = static_library('modinfo', modinfo_src)
2405   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2406   softmmu_ss.add(modinfo_dep)
2407 endif
2408
2409 nm = find_program('nm')
2410 undefsym = find_program('scripts/undefsym.py')
2411 block_syms = custom_target('block.syms', output: 'block.syms',
2412                              input: [libqemuutil, block_mods],
2413                              capture: true,
2414                              command: [undefsym, nm, '@INPUT@'])
2415 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2416                              input: [libqemuutil, softmmu_mods],
2417                              capture: true,
2418                              command: [undefsym, nm, '@INPUT@'])
2419
2420 qom_ss = qom_ss.apply(config_host, strict: false)
2421 libqom = static_library('qom', qom_ss.sources() + genh,
2422                         dependencies: [qom_ss.dependencies()],
2423                         name_suffix: 'fa')
2424
2425 qom = declare_dependency(link_whole: libqom)
2426
2427 authz_ss = authz_ss.apply(config_host, strict: false)
2428 libauthz = static_library('authz', authz_ss.sources() + genh,
2429                           dependencies: [authz_ss.dependencies()],
2430                           name_suffix: 'fa',
2431                           build_by_default: false)
2432
2433 authz = declare_dependency(link_whole: libauthz,
2434                            dependencies: qom)
2435
2436 crypto_ss = crypto_ss.apply(config_host, strict: false)
2437 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2438                            dependencies: [crypto_ss.dependencies()],
2439                            name_suffix: 'fa',
2440                            build_by_default: false)
2441
2442 crypto = declare_dependency(link_whole: libcrypto,
2443                             dependencies: [authz, qom])
2444
2445 io_ss = io_ss.apply(config_host, strict: false)
2446 libio = static_library('io', io_ss.sources() + genh,
2447                        dependencies: [io_ss.dependencies()],
2448                        link_with: libqemuutil,
2449                        name_suffix: 'fa',
2450                        build_by_default: false)
2451
2452 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2453
2454 libmigration = static_library('migration', sources: migration_files + genh,
2455                               name_suffix: 'fa',
2456                               build_by_default: false)
2457 migration = declare_dependency(link_with: libmigration,
2458                                dependencies: [zlib, qom, io])
2459 softmmu_ss.add(migration)
2460
2461 block_ss = block_ss.apply(config_host, strict: false)
2462 libblock = static_library('block', block_ss.sources() + genh,
2463                           dependencies: block_ss.dependencies(),
2464                           link_depends: block_syms,
2465                           name_suffix: 'fa',
2466                           build_by_default: false)
2467
2468 block = declare_dependency(link_whole: [libblock],
2469                            link_args: '@block.syms',
2470                            dependencies: [crypto, io])
2471
2472 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2473 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2474                              dependencies: blockdev_ss.dependencies(),
2475                              name_suffix: 'fa',
2476                              build_by_default: false)
2477
2478 blockdev = declare_dependency(link_whole: [libblockdev],
2479                               dependencies: [block])
2480
2481 qmp_ss = qmp_ss.apply(config_host, strict: false)
2482 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2483                         dependencies: qmp_ss.dependencies(),
2484                         name_suffix: 'fa',
2485                         build_by_default: false)
2486
2487 qmp = declare_dependency(link_whole: [libqmp])
2488
2489 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2490                             name_suffix: 'fa',
2491                             dependencies: [gnutls],
2492                             build_by_default: false)
2493
2494 chardev = declare_dependency(link_whole: libchardev)
2495
2496 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
2497                            name_suffix: 'fa',
2498                            build_by_default: false)
2499 hwcore = declare_dependency(link_whole: libhwcore)
2500 common_ss.add(hwcore)
2501
2502 ###########
2503 # Targets #
2504 ###########
2505
2506 foreach m : block_mods + softmmu_mods
2507   shared_module(m.name(),
2508                 name_prefix: '',
2509                 link_whole: m,
2510                 install: true,
2511                 install_dir: qemu_moddir)
2512 endforeach
2513
2514 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2515 common_ss.add(qom, qemuutil)
2516
2517 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2518 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2519
2520 common_all = common_ss.apply(config_all, strict: false)
2521 common_all = static_library('common',
2522                             build_by_default: false,
2523                             sources: common_all.sources() + genh,
2524                             implicit_include_directories: false,
2525                             dependencies: common_all.dependencies(),
2526                             name_suffix: 'fa')
2527
2528 feature_to_c = find_program('scripts/feature_to_c.sh')
2529
2530 emulators = {}
2531 foreach target : target_dirs
2532   config_target = config_target_mak[target]
2533   target_name = config_target['TARGET_NAME']
2534   arch = config_target['TARGET_BASE_ARCH']
2535   arch_srcs = [config_target_h[target]]
2536   arch_deps = []
2537   c_args = ['-DNEED_CPU_H',
2538             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2539             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2540   link_args = emulator_link_args
2541
2542   config_target += config_host
2543   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2544   if targetos == 'linux'
2545     target_inc += include_directories('linux-headers', is_system: true)
2546   endif
2547   if target.endswith('-softmmu')
2548     qemu_target_name = 'qemu-system-' + target_name
2549     target_type='system'
2550     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2551     arch_srcs += t.sources()
2552     arch_deps += t.dependencies()
2553
2554     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2555     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2556     arch_srcs += hw.sources()
2557     arch_deps += hw.dependencies()
2558
2559     arch_srcs += config_devices_h[target]
2560     link_args += ['@block.syms', '@qemu.syms']
2561   else
2562     abi = config_target['TARGET_ABI_DIR']
2563     target_type='user'
2564     qemu_target_name = 'qemu-' + target_name
2565     if arch in target_user_arch
2566       t = target_user_arch[arch].apply(config_target, strict: false)
2567       arch_srcs += t.sources()
2568       arch_deps += t.dependencies()
2569     endif
2570     if 'CONFIG_LINUX_USER' in config_target
2571       base_dir = 'linux-user'
2572       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2573     endif
2574     if 'CONFIG_BSD_USER' in config_target
2575       base_dir = 'bsd-user'
2576       target_inc += include_directories('bsd-user/' / targetos)
2577       dir = base_dir / abi
2578       arch_srcs += files(dir / 'target_arch_cpu.c')
2579     endif
2580     target_inc += include_directories(
2581       base_dir,
2582       base_dir / abi,
2583     )
2584     if 'CONFIG_LINUX_USER' in config_target
2585       dir = base_dir / abi
2586       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2587       if config_target.has_key('TARGET_SYSTBL_ABI')
2588         arch_srcs += \
2589           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2590                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2591       endif
2592     endif
2593   endif
2594
2595   if 'TARGET_XML_FILES' in config_target
2596     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2597                                 output: target + '-gdbstub-xml.c',
2598                                 input: files(config_target['TARGET_XML_FILES'].split()),
2599                                 command: [feature_to_c, '@INPUT@'],
2600                                 capture: true)
2601     arch_srcs += gdbstub_xml
2602   endif
2603
2604   t = target_arch[arch].apply(config_target, strict: false)
2605   arch_srcs += t.sources()
2606   arch_deps += t.dependencies()
2607
2608   target_common = common_ss.apply(config_target, strict: false)
2609   objects = common_all.extract_objects(target_common.sources())
2610   deps = target_common.dependencies()
2611
2612   target_specific = specific_ss.apply(config_target, strict: false)
2613   arch_srcs += target_specific.sources()
2614   arch_deps += target_specific.dependencies()
2615
2616   lib = static_library('qemu-' + target,
2617                  sources: arch_srcs + genh,
2618                  dependencies: arch_deps,
2619                  objects: objects,
2620                  include_directories: target_inc,
2621                  c_args: c_args,
2622                  build_by_default: false,
2623                  name_suffix: 'fa')
2624
2625   if target.endswith('-softmmu')
2626     execs = [{
2627       'name': 'qemu-system-' + target_name,
2628       'gui': false,
2629       'sources': files('softmmu/main.c'),
2630       'dependencies': []
2631     }]
2632     if targetos == 'windows' and (sdl.found() or gtk.found())
2633       execs += [{
2634         'name': 'qemu-system-' + target_name + 'w',
2635         'gui': true,
2636         'sources': files('softmmu/main.c'),
2637         'dependencies': []
2638       }]
2639     endif
2640     if config_host.has_key('CONFIG_FUZZ')
2641       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2642       execs += [{
2643         'name': 'qemu-fuzz-' + target_name,
2644         'gui': false,
2645         'sources': specific_fuzz.sources(),
2646         'dependencies': specific_fuzz.dependencies(),
2647       }]
2648     endif
2649   else
2650     execs = [{
2651       'name': 'qemu-' + target_name,
2652       'gui': false,
2653       'sources': [],
2654       'dependencies': []
2655     }]
2656   endif
2657   foreach exe: execs
2658     exe_name = exe['name']
2659     if targetos == 'darwin'
2660       exe_name += '-unsigned'
2661     endif
2662
2663     emulator = executable(exe_name, exe['sources'],
2664                install: true,
2665                c_args: c_args,
2666                dependencies: arch_deps + deps + exe['dependencies'],
2667                objects: lib.extract_all_objects(recursive: true),
2668                link_language: link_language,
2669                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2670                link_args: link_args,
2671                gui_app: exe['gui'])
2672
2673     if targetos == 'darwin'
2674       icon = 'pc-bios/qemu.rsrc'
2675       build_input = [emulator, files(icon)]
2676       install_input = [
2677         get_option('bindir') / exe_name,
2678         meson.current_source_dir() / icon
2679       ]
2680       if 'CONFIG_HVF' in config_target
2681         entitlements = 'accel/hvf/entitlements.plist'
2682         build_input += files(entitlements)
2683         install_input += meson.current_source_dir() / entitlements
2684       endif
2685
2686       emulators += {exe['name'] : custom_target(exe['name'],
2687                    input: build_input,
2688                    output: exe['name'],
2689                    command: [
2690                      files('scripts/entitlement.sh'),
2691                      '@OUTPUT@',
2692                      '@INPUT@'
2693                    ])
2694       }
2695
2696       meson.add_install_script('scripts/entitlement.sh', '--install',
2697                                get_option('bindir') / exe['name'],
2698                                install_input)
2699     else
2700       emulators += {exe['name']: emulator}
2701     endif
2702
2703     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
2704       foreach stp: [
2705         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
2706         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
2707         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
2708         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
2709       ]
2710         custom_target(exe['name'] + stp['ext'],
2711                       input: trace_events_all,
2712                       output: exe['name'] + stp['ext'],
2713                       install: stp['install'],
2714                       install_dir: get_option('datadir') / 'systemtap/tapset',
2715                       command: [
2716                         tracetool, '--group=all', '--format=' + stp['fmt'],
2717                         '--binary=' + stp['bin'],
2718                         '--target-name=' + target_name,
2719                         '--target-type=' + target_type,
2720                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
2721                         '@INPUT@', '@OUTPUT@'
2722                       ],
2723                       depend_files: tracetool_depends)
2724       endforeach
2725     endif
2726   endforeach
2727 endforeach
2728
2729 # Other build targets
2730
2731 if 'CONFIG_PLUGIN' in config_host
2732   install_headers('include/qemu/qemu-plugin.h')
2733 endif
2734
2735 if 'CONFIG_GUEST_AGENT' in config_host
2736   subdir('qga')
2737 elif get_option('guest_agent_msi').enabled()
2738   error('Guest agent MSI requested, but the guest agent is not being built')
2739 endif
2740
2741 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
2742 # when we don't build tools or system
2743 if xkbcommon.found()
2744   # used for the update-keymaps target, so include rules even if !have_tools
2745   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
2746                            dependencies: [qemuutil, xkbcommon], install: have_tools)
2747 endif
2748
2749 if have_tools
2750   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
2751              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
2752   qemu_io = executable('qemu-io', files('qemu-io.c'),
2753              dependencies: [block, qemuutil], install: true)
2754   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
2755                dependencies: [blockdev, qemuutil, gnutls], install: true)
2756
2757   subdir('storage-daemon')
2758   subdir('contrib/rdmacm-mux')
2759   subdir('contrib/elf2dmp')
2760
2761   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
2762              dependencies: qemuutil,
2763              install: true)
2764
2765   if 'CONFIG_VHOST_USER' in config_host
2766     subdir('contrib/vhost-user-blk')
2767     subdir('contrib/vhost-user-gpu')
2768     subdir('contrib/vhost-user-input')
2769     subdir('contrib/vhost-user-scsi')
2770   endif
2771
2772   if targetos == 'linux'
2773     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
2774                dependencies: [qemuutil, libcap_ng],
2775                install: true,
2776                install_dir: get_option('libexecdir'))
2777
2778     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
2779                dependencies: [authz, crypto, io, qom, qemuutil,
2780                               libcap_ng, mpathpersist],
2781                install: true)
2782   endif
2783
2784   if have_ivshmem
2785     subdir('contrib/ivshmem-client')
2786     subdir('contrib/ivshmem-server')
2787   endif
2788 endif
2789
2790 subdir('scripts')
2791 subdir('tools')
2792 subdir('pc-bios')
2793 subdir('docs')
2794 subdir('tests')
2795 if gtk.found()
2796   subdir('po')
2797 endif
2798
2799 if host_machine.system() == 'windows'
2800   nsis_cmd = [
2801     find_program('scripts/nsis.py'),
2802     '@OUTPUT@',
2803     get_option('prefix'),
2804     meson.current_source_dir(),
2805     host_machine.cpu(),
2806     '--',
2807     '-DDISPLAYVERSION=' + meson.project_version(),
2808   ]
2809   if build_docs
2810     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
2811   endif
2812   if gtk.found()
2813     nsis_cmd += '-DCONFIG_GTK=y'
2814   endif
2815
2816   nsis = custom_target('nsis',
2817                        output: 'qemu-setup-' + meson.project_version() + '.exe',
2818                        input: files('qemu.nsi'),
2819                        build_always_stale: true,
2820                        command: nsis_cmd + ['@INPUT@'])
2821   alias_target('installer', nsis)
2822 endif
2823
2824 #########################
2825 # Configuration summary #
2826 #########################
2827
2828 # Directories
2829 summary_info = {}
2830 summary_info += {'Install prefix':    get_option('prefix')}
2831 summary_info += {'BIOS directory':    qemu_datadir}
2832 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
2833 summary_info += {'binary directory':  get_option('bindir')}
2834 summary_info += {'library directory': get_option('libdir')}
2835 summary_info += {'module directory':  qemu_moddir}
2836 summary_info += {'libexec directory': get_option('libexecdir')}
2837 summary_info += {'include directory': get_option('includedir')}
2838 summary_info += {'config directory':  get_option('sysconfdir')}
2839 if targetos != 'windows'
2840   summary_info += {'local state directory': get_option('localstatedir')}
2841   summary_info += {'Manual directory':      get_option('mandir')}
2842 else
2843   summary_info += {'local state directory': 'queried at runtime'}
2844 endif
2845 summary_info += {'Doc directory':     get_option('docdir')}
2846 summary_info += {'Build directory':   meson.current_build_dir()}
2847 summary_info += {'Source path':       meson.current_source_dir()}
2848 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2849 summary(summary_info, bool_yn: true, section: 'Directories')
2850
2851 # Host binaries
2852 summary_info = {}
2853 summary_info += {'git':               config_host['GIT']}
2854 summary_info += {'make':              config_host['MAKE']}
2855 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2856 summary_info += {'sphinx-build':      sphinx_build.found()}
2857 if config_host.has_key('HAVE_GDB_BIN')
2858   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2859 endif
2860 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2861 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
2862   summary_info += {'wixl':            wixl.found() ? wixl.full_path() : false}
2863 endif
2864 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
2865   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2866 endif
2867 summary(summary_info, bool_yn: true, section: 'Host binaries')
2868
2869 # Configurable features
2870 summary_info = {}
2871 summary_info += {'Documentation':     build_docs}
2872 summary_info += {'system-mode emulation': have_system}
2873 summary_info += {'user-mode emulation': have_user}
2874 summary_info += {'block layer':       have_block}
2875 summary_info += {'Install blobs':     get_option('install_blobs')}
2876 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2877 if config_host.has_key('CONFIG_MODULES')
2878   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2879 endif
2880 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2881 if have_system
2882   summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2883 endif
2884 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2885 if config_host['TRACE_BACKENDS'].split().contains('simple')
2886   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2887 endif
2888 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2889 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2890 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2891 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2892 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2893 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2894 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2895 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2896 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2897 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2898 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2899 summary(summary_info, bool_yn: true, section: 'Configurable features')
2900
2901 # Compilation information
2902 summary_info = {}
2903 summary_info += {'host CPU':          cpu}
2904 summary_info += {'host endianness':   build_machine.endian()}
2905 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
2906 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
2907 if link_language == 'cpp'
2908   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
2909 else
2910   summary_info += {'C++ compiler':      false}
2911 endif
2912 if targetos == 'darwin'
2913   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
2914 endif
2915 if targetos == 'windows'
2916   if 'WIN_SDK' in config_host
2917     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
2918   endif
2919 endif
2920 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2921                                                + ['-O' + get_option('optimization')]
2922                                                + (get_option('debug') ? ['-g'] : []))}
2923 if link_language == 'cpp'
2924   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2925                                                + ['-O' + get_option('optimization')]
2926                                                + (get_option('debug') ? ['-g'] : []))}
2927 endif
2928 link_args = get_option(link_language + '_link_args')
2929 if link_args.length() > 0
2930   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2931 endif
2932 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2933 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2934 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2935 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
2936 summary_info += {'PIE':               get_option('b_pie')}
2937 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2938 summary_info += {'malloc trim support': has_malloc_trim}
2939 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2940 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2941 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2942 summary_info += {'memory allocator':  get_option('malloc')}
2943 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2944 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2945 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2946 summary_info += {'gcov':              get_option('b_coverage')}
2947 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2948 summary_info += {'CFI support':       get_option('cfi')}
2949 if get_option('cfi')
2950   summary_info += {'CFI debug support': get_option('cfi_debug')}
2951 endif
2952 summary_info += {'strip binaries':    get_option('strip')}
2953 summary_info += {'sparse':            sparse.found() ? sparse.full_path() : false}
2954 summary_info += {'mingw32 support':   targetos == 'windows'}
2955
2956 # snarf the cross-compilation information for tests
2957 foreach target: target_dirs
2958   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
2959   if fs.exists(tcg_mak)
2960     config_cross_tcg = keyval.load(tcg_mak)
2961     target = config_cross_tcg['TARGET_NAME']
2962     compiler = ''
2963     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
2964       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
2965                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
2966     elif 'CROSS_CC_GUEST' in config_cross_tcg
2967       summary_info += {target + ' tests'
2968                                 : config_cross_tcg['CROSS_CC_GUEST'] }
2969     endif
2970    endif
2971 endforeach
2972
2973 summary(summary_info, bool_yn: true, section: 'Compilation')
2974
2975 # Targets and accelerators
2976 summary_info = {}
2977 if have_system
2978   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2979   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2980   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2981   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2982   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
2983   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2984   if config_host.has_key('CONFIG_XEN_BACKEND')
2985     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2986   endif
2987 endif
2988 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2989 if config_all.has_key('CONFIG_TCG')
2990   if get_option('tcg_interpreter')
2991     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
2992   else
2993     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
2994   endif
2995   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
2996   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
2997 endif
2998 summary_info += {'target list':       ' '.join(target_dirs)}
2999 if have_system
3000   summary_info += {'default devices':   get_option('default_devices')}
3001   summary_info += {'out of process emulation': multiprocess_allowed}
3002 endif
3003 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3004
3005 # Block layer
3006 summary_info = {}
3007 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3008 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
3009 if have_block
3010   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3011   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3012   summary_info += {'Use block whitelist in tools': config_host.has_key('CONFIG_BDRV_WHITELIST_TOOLS')}
3013   summary_info += {'VirtFS support':    have_virtfs}
3014   summary_info += {'build virtiofs daemon': have_virtiofsd}
3015   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
3016   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
3017   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
3018   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
3019   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
3020   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
3021   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
3022   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
3023   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
3024   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
3025   summary_info += {'FUSE exports':      fuse.found()}
3026 endif
3027 summary(summary_info, bool_yn: true, section: 'Block layer support')
3028
3029 # Crypto
3030 summary_info = {}
3031 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3032 summary_info += {'GNUTLS support':    gnutls.found()}
3033 summary_info += {'GNUTLS crypto':     gnutls_crypto.found()}
3034 # TODO: add back version
3035 summary_info += {'libgcrypt':         gcrypt.found()}
3036 # TODO: add back version
3037 summary_info += {'nettle':            nettle.found()}
3038 if nettle.found()
3039    summary_info += {'  XTS':             xts != 'private'}
3040 endif
3041 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
3042 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
3043 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3044 summary(summary_info, bool_yn: true, section: 'Crypto')
3045
3046 # Libraries
3047 summary_info = {}
3048 if targetos == 'darwin'
3049   summary_info += {'Cocoa support':   cocoa.found()}
3050 endif
3051 # TODO: add back version
3052 summary_info += {'SDL support':       sdl.found()}
3053 summary_info += {'SDL image support': sdl_image.found()}
3054 # TODO: add back version
3055 summary_info += {'GTK support':       gtk.found()}
3056 summary_info += {'pixman':            pixman.found()}
3057 # TODO: add back version
3058 summary_info += {'VTE support':       vte.found()}
3059 # TODO: add back version
3060 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
3061 summary_info += {'libtasn1':          tasn1.found()}
3062 summary_info += {'PAM':               pam.found()}
3063 summary_info += {'iconv support':     iconv.found()}
3064 summary_info += {'curses support':    curses.found()}
3065 # TODO: add back version
3066 summary_info += {'virgl support':     virgl.found()}
3067 summary_info += {'curl support':      curl.found()}
3068 summary_info += {'Multipath support': mpathpersist.found()}
3069 summary_info += {'VNC support':       vnc.found()}
3070 if vnc.found()
3071   summary_info += {'VNC SASL support':  sasl.found()}
3072   summary_info += {'VNC JPEG support':  jpeg.found()}
3073   summary_info += {'VNC PNG support':   png.found()}
3074 endif
3075 summary_info += {'brlapi support':    brlapi.found()}
3076 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
3077 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
3078 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
3079 summary_info += {'Linux io_uring support': linux_io_uring.found()}
3080 summary_info += {'ATTR/XATTR support': libattr.found()}
3081 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3082 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3083 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3084 summary_info += {'libcap-ng support': libcap_ng.found()}
3085 summary_info += {'bpf support': libbpf.found()}
3086 # TODO: add back protocol and server version
3087 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
3088 summary_info += {'rbd support':       rbd.found()}
3089 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
3090 summary_info += {'smartcard support': cacard.found()}
3091 summary_info += {'U2F support':       u2f.found()}
3092 summary_info += {'libusb':            libusb.found()}
3093 summary_info += {'usb net redir':     usbredir.found()}
3094 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3095 summary_info += {'GBM':               gbm.found()}
3096 summary_info += {'libiscsi support':  libiscsi.found()}
3097 summary_info += {'libnfs support':    libnfs.found()}
3098 if targetos == 'windows'
3099   if config_host.has_key('CONFIG_GUEST_AGENT')
3100     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
3101     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
3102   endif
3103 endif
3104 summary_info += {'seccomp support':   seccomp.found()}
3105 summary_info += {'GlusterFS support': glusterfs.found()}
3106 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
3107 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
3108 summary_info += {'lzo support':       lzo.found()}
3109 summary_info += {'snappy support':    snappy.found()}
3110 summary_info += {'bzip2 support':     libbzip2.found()}
3111 summary_info += {'lzfse support':     liblzfse.found()}
3112 summary_info += {'zstd support':      zstd.found()}
3113 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
3114 summary_info += {'libxml2':           libxml2.found()}
3115 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
3116 summary_info += {'libpmem support':   libpmem.found()}
3117 summary_info += {'libdaxctl support': libdaxctl.found()}
3118 summary_info += {'libudev':           libudev.found()}
3119 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3120 summary(summary_info, bool_yn: true, section: 'Dependencies')
3121
3122 if not supported_cpus.contains(cpu)
3123   message()
3124   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3125   message()
3126   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3127   message('The QEMU project intends to remove support for this host CPU in')
3128   message('a future release if nobody volunteers to maintain it and to')
3129   message('provide a build host for our continuous integration setup.')
3130   message('configure has succeeded and you can continue to build, but')
3131   message('if you care about QEMU on this platform you should contact')
3132   message('us upstream at qemu-devel@nongnu.org.')
3133 endif
3134
3135 if not supported_oses.contains(targetos)
3136   message()
3137   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3138   message()
3139   message('Host OS ' + targetos + 'support is not currently maintained.')
3140   message('The QEMU project intends to remove support for this host OS in')
3141   message('a future release if nobody volunteers to maintain it and to')
3142   message('provide a build host for our continuous integration setup.')
3143   message('configure has succeeded and you can continue to build, but')
3144   message('if you care about QEMU on this platform you should contact')
3145   message('us upstream at qemu-devel@nongnu.org.')
3146 endif