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   # i368 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 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
  96 install_edk2_blobs = false
  97 if get_option('install_blobs')
  98   foreach target : target_dirs
  99     install_edk2_blobs = install_edk2_blobs or target in edk2_targets
 100   endforeach
 101 endif
 102
 103 bzip2 = find_program('bzip2', required: install_edk2_blobs)
 104
 105 ##################
 106 # Compiler flags #
 107 ##################
 108
 109 # Specify linker-script with add_project_link_arguments so that it is not placed
 110 # within a linker --start-group/--end-group pair
 111 if 'CONFIG_FUZZ' in config_host
 112    add_project_link_arguments(['-Wl,-T,',
 113                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 114                               native: false, language: ['c', 'cpp', 'objc'])
 115 endif
 116
 117 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
 118                      native: false, language: ['c', 'objc'])
 119 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
 120                      native: false, language: 'cpp')
 121 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 122                           native: false, language: ['c', 'cpp', 'objc'])
 123
 124 if targetos == 'linux'
 125   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 126                         '-isystem', 'linux-headers',
 127                         language: ['c', 'cpp'])
 128 endif
 129
 130 add_project_arguments('-iquote', '.',
 131                       '-iquote', meson.current_source_dir(),
 132                       '-iquote', meson.current_source_dir() / 'include',
 133                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 134                       language: ['c', 'cpp', 'objc'])
 135
 136 link_language = meson.get_external_property('link_language', 'cpp')
 137 if link_language == 'cpp'
 138   add_languages('cpp', required: true, native: false)
 139 endif
 140 if host_machine.system() == 'darwin'
 141   add_languages('objc', required: false, native: false)
 142 endif
 143
 144 sparse = find_program('cgcc', required: get_option('sparse'))
 145 if sparse.found()
 146   run_target('sparse',
 147              command: [find_program('scripts/check_sparse.py'),
 148                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 149                        '-Wno-transparent-union', '-Wno-old-initializer',
 150                        '-Wno-non-pointer-null'])
 151 endif
 152
 153 ###########################################
 154 # Target-specific checks and dependencies #
 155 ###########################################
 156
 157 if targetos != 'linux' and get_option('mpath').enabled()
 158   error('Multipath is supported only on Linux')
 159 endif
 160
 161 if targetos != 'linux' and get_option('multiprocess').enabled()
 162   error('Multiprocess QEMU is supported only on Linux')
 163 endif
 164 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 165
 166 libm = cc.find_library('m', required: false)
 167 threads = dependency('threads')
 168 util = cc.find_library('util', required: false)
 169 winmm = []
 170 socket = []
 171 version_res = []
 172 coref = []
 173 iokit = []
 174 emulator_link_args = []
 175 nvmm =not_found
 176 hvf = not_found
 177 if targetos == 'windows'
 178   socket = cc.find_library('ws2_32')
 179   winmm = cc.find_library('winmm')
 180
 181   win = import('windows')
 182   version_res = win.compile_resources('version.rc',
 183                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 184                                       include_directories: include_directories('.'))
 185 elif targetos == 'darwin'
 186   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 187   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 188 elif targetos == 'sunos'
 189   socket = [cc.find_library('socket'),
 190             cc.find_library('nsl'),
 191             cc.find_library('resolv')]
 192 elif targetos == 'haiku'
 193   socket = [cc.find_library('posix_error_mapper'),
 194             cc.find_library('network'),
 195             cc.find_library('bsd')]
 196 elif targetos == 'openbsd'
 197   if not get_option('tcg').disabled() and target_dirs.length() > 0
 198     # Disable OpenBSD W^X if available
 199     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 200   endif
 201 endif
 202
 203 accelerators = []
 204 if not get_option('kvm').disabled() and targetos == 'linux'
 205   accelerators += 'CONFIG_KVM'
 206 endif
 207 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
 208   accelerators += 'CONFIG_XEN'
 209   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
 210 else
 211   have_xen_pci_passthrough = false
 212 endif
 213 if not get_option('whpx').disabled() and targetos == 'windows'
 214   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 215     error('WHPX requires 64-bit host')
 216   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 217        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 218     accelerators += 'CONFIG_WHPX'
 219   endif
 220 endif
 221 if not get_option('hvf').disabled()
 222   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 223                    required: get_option('hvf'))
 224   if hvf.found()
 225     accelerators += 'CONFIG_HVF'
 226   endif
 227 endif
 228 if not get_option('hax').disabled()
 229   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 230     accelerators += 'CONFIG_HAX'
 231   endif
 232 endif
 233 if targetos == 'netbsd'
 234   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
 235     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 236   endif
 237   if nvmm.found()
 238     accelerators += 'CONFIG_NVMM'
 239   endif
 240 endif
 241
 242 tcg_arch = config_host['ARCH']
 243 if not get_option('tcg').disabled()
 244   if cpu not in supported_cpus
 245     if get_option('tcg_interpreter')
 246       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
 247     else
 248       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 249     endif
 250   elif get_option('tcg_interpreter')
 251     warning('Use of the TCG interpretor is not recommended on this host')
 252     warning('architecture. There is a native TCG execution backend available')
 253     warning('which provides substantially better performance and reliability.')
 254     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 255     warning('configuration option on this architecture to use the native')
 256     warning('backend.')
 257   endif
 258   if get_option('tcg_interpreter')
 259     tcg_arch = 'tci'
 260   elif config_host['ARCH'] == 'sparc64'
 261     tcg_arch = 'sparc'
 262   elif config_host['ARCH'] == 's390x'
 263     tcg_arch = 's390'
 264   elif config_host['ARCH'] in ['x86_64', 'x32']
 265     tcg_arch = 'i386'
 266   elif config_host['ARCH'] == 'ppc64'
 267     tcg_arch = 'ppc'
 268   elif config_host['ARCH'] in ['riscv32', 'riscv64']
 269     tcg_arch = 'riscv'
 270   endif
 271   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 272                         language: ['c', 'cpp', 'objc'])
 273
 274   accelerators += 'CONFIG_TCG'
 275   config_host += { 'CONFIG_TCG': 'y' }
 276 endif
 277
 278 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 279   error('KVM not available on this platform')
 280 endif
 281 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 282   error('HVF not available on this platform')
 283 endif
 284 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 285   error('NVMM not available on this platform')
 286 endif
 287 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 288   error('WHPX not available on this platform')
 289 endif
 290 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
 291   if 'CONFIG_XEN' in accelerators
 292     error('Xen PCI passthrough not available on this platform')
 293   else
 294     error('Xen PCI passthrough requested but Xen not enabled')
 295   endif
 296 endif
 297
 298 ################
 299 # Dependencies #
 300 ################
 301
 302 # The path to glib.h is added to all compilation commands.  This was
 303 # grandfathered in from the QEMU Makefiles.
 304 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 305                       native: false, language: ['c', 'cpp', 'objc'])
 306 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 307                           link_args: config_host['GLIB_LIBS'].split())
 308 # override glib dep with the configure results (for subprojects)
 309 meson.override_dependency('glib-2.0', glib)
 310
 311 gio = not_found
 312 if 'CONFIG_GIO' in config_host
 313   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
 314                            link_args: config_host['GIO_LIBS'].split())
 315 endif
 316 lttng = not_found
 317 if 'CONFIG_TRACE_UST' in config_host
 318   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
 319 endif
 320 urcubp = not_found
 321 if 'CONFIG_TRACE_UST' in config_host
 322   urcubp = declare_dependency(link_args: config_host['URCU_BP_LIBS'].split())
 323 endif
 324 pixman = not_found
 325 if have_system or have_tools
 326   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 327                       method: 'pkg-config', kwargs: static_kwargs)
 328 endif
 329 libaio = cc.find_library('aio', required: false)
 330 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 331
 332 linux_io_uring = not_found
 333 if not get_option('linux_io_uring').auto() or have_block
 334   linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'),
 335                               method: 'pkg-config', kwargs: static_kwargs)
 336 endif
 337 libxml2 = not_found
 338 if not get_option('libxml2').auto() or have_block
 339   libxml2 = dependency('libxml-2.0', required: get_option('libxml2'),
 340                        method: 'pkg-config', kwargs: static_kwargs)
 341 endif
 342 libnfs = not_found
 343 if not get_option('libnfs').auto() or have_block
 344   libnfs = dependency('libnfs', version: '>=1.9.3',
 345                       required: get_option('libnfs'),
 346                       method: 'pkg-config', kwargs: static_kwargs)
 347 endif
 348
 349 libattr_test = '''
 350   #include <stddef.h>
 351   #include <sys/types.h>
 352   #ifdef CONFIG_LIBATTR
 353   #include <attr/xattr.h>
 354   #else
 355   #include <sys/xattr.h>
 356   #endif
 357   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 358
 359 libattr = not_found
 360 have_old_libattr = false
 361 if not get_option('attr').disabled()
 362   if cc.links(libattr_test)
 363     libattr = declare_dependency()
 364   else
 365     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 366                               required: get_option('attr'),
 367                               kwargs: static_kwargs)
 368     if libattr.found() and not \
 369       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 370       libattr = not_found
 371       if get_option('attr').enabled()
 372         error('could not link libattr')
 373       else
 374         warning('could not link libattr, disabling')
 375       endif
 376     else
 377       have_old_libattr = libattr.found()
 378     endif
 379   endif
 380 endif
 381
 382 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 383 if cocoa.found() and get_option('sdl').enabled()
 384   error('Cocoa and SDL cannot be enabled at the same time')
 385 endif
 386 if cocoa.found() and get_option('gtk').enabled()
 387   error('Cocoa and GTK+ cannot be enabled at the same time')
 388 endif
 389
 390 seccomp = not_found
 391 if not get_option('seccomp').auto() or have_system or have_tools
 392   seccomp = dependency('libseccomp', version: '>=2.3.0',
 393                        required: get_option('seccomp'),
 394                        method: 'pkg-config', kwargs: static_kwargs)
 395 endif
 396
 397 libcap_ng = not_found
 398 if not get_option('cap_ng').auto() or have_system or have_tools
 399   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 400                               required: get_option('cap_ng'),
 401                               kwargs: static_kwargs)
 402 endif
 403 if libcap_ng.found() and not cc.links('''
 404    #include <cap-ng.h>
 405    int main(void)
 406    {
 407      capng_capability_to_name(CAPNG_EFFECTIVE);
 408      return 0;
 409    }''', dependencies: libcap_ng)
 410   libcap_ng = not_found
 411   if get_option('cap_ng').enabled()
 412     error('could not link libcap-ng')
 413   else
 414     warning('could not link libcap-ng, disabling')
 415   endif
 416 endif
 417
 418 if get_option('xkbcommon').auto() and not have_system and not have_tools
 419   xkbcommon = not_found
 420 else
 421   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 422                          method: 'pkg-config', kwargs: static_kwargs)
 423 endif
 424 vde = not_found
 425 if config_host.has_key('CONFIG_VDE')
 426   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
 427 endif
 428 pulse = not_found
 429 if 'CONFIG_LIBPULSE' in config_host
 430   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
 431                              link_args: config_host['PULSE_LIBS'].split())
 432 endif
 433 alsa = not_found
 434 if 'CONFIG_ALSA' in config_host
 435   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
 436                             link_args: config_host['ALSA_LIBS'].split())
 437 endif
 438 jack = not_found
 439 if 'CONFIG_LIBJACK' in config_host
 440   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
 441 endif
 442 spice = not_found
 443 spice_headers = not_found
 444 spice_protocol = not_found
 445 if 'CONFIG_SPICE' in config_host
 446   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
 447                              link_args: config_host['SPICE_LIBS'].split())
 448   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
 449 endif
 450 if 'CONFIG_SPICE_PROTOCOL' in config_host
 451   spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split())
 452 endif
 453 rt = cc.find_library('rt', required: false)
 454 libdl = not_found
 455 if 'CONFIG_PLUGIN' in config_host
 456   libdl = cc.find_library('dl', required: true)
 457 endif
 458 libiscsi = not_found
 459 if not get_option('libiscsi').auto() or have_block
 460   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 461                          required: get_option('libiscsi'),
 462                          method: 'pkg-config', kwargs: static_kwargs)
 463 endif
 464 zstd = not_found
 465 if not get_option('zstd').auto() or have_block
 466   zstd = dependency('libzstd', version: '>=1.4.0',
 467                     required: get_option('zstd'),
 468                     method: 'pkg-config', kwargs: static_kwargs)
 469 endif
 470 gbm = not_found
 471 if 'CONFIG_GBM' in config_host
 472   gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
 473                            link_args: config_host['GBM_LIBS'].split())
 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 opengl = not_found
 815 if 'CONFIG_OPENGL' in config_host
 816   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
 817                               link_args: config_host['OPENGL_LIBS'].split())
 818 endif
 819
 820 gnutls = not_found
 821 if not get_option('gnutls').auto() or have_system
 822   gnutls = dependency('gnutls', version: '>=3.5.18',
 823                       method: 'pkg-config',
 824                       required: get_option('gnutls'),
 825                       kwargs: static_kwargs)
 826 endif
 827
 828 # Nettle has priority over gcrypt
 829 gcrypt = not_found
 830 nettle = not_found
 831 xts = 'private'
 832 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
 833   error('Only one of gcrypt & nettle can be enabled')
 834 elif (not get_option('nettle').auto() or have_system) and not get_option('gcrypt').enabled()
 835   nettle = dependency('nettle', version: '>=3.4',
 836                       method: 'pkg-config',
 837                       required: get_option('nettle'),
 838                       kwargs: static_kwargs)
 839   if nettle.found() and cc.has_header('nettle/xts.h', dependencies: nettle)
 840     xts = 'nettle'
 841   endif
 842 endif
 843 if (not get_option('gcrypt').auto() or have_system) and not nettle.found()
 844   gcrypt = dependency('libgcrypt', version: '>=1.5',
 845                          method: 'config-tool',
 846                          required: get_option('gcrypt'),
 847                          kwargs: static_kwargs)
 848   if gcrypt.found() and cc.compiles('''
 849     #include <gcrypt.h>
 850     int main(void) {
 851       gcry_cipher_hd_t handle;
 852       gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
 853       return 0;
 854     }
 855     ''', dependencies: gcrypt)
 856     xts = 'gcrypt'
 857   endif
 858   # Debian has removed -lgpg-error from libgcrypt-config
 859   # as it "spreads unnecessary dependencies" which in
 860   # turn breaks static builds...
 861   if gcrypt.found() and enable_static
 862     gcrypt = declare_dependency(dependencies: [
 863       gcrypt,
 864       cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
 865   endif
 866 endif
 867
 868 gtk = not_found
 869 gtkx11 = not_found
 870 vte = not_found
 871 if not get_option('gtk').auto() or (have_system and not cocoa.found())
 872   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
 873                    method: 'pkg-config',
 874                    required: get_option('gtk'),
 875                    kwargs: static_kwargs)
 876   if gtk.found()
 877     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
 878                         method: 'pkg-config',
 879                         required: false,
 880                         kwargs: static_kwargs)
 881     gtk = declare_dependency(dependencies: [gtk, gtkx11])
 882
 883     if not get_option('vte').auto() or have_system
 884       vte = dependency('vte-2.91',
 885                        method: 'pkg-config',
 886                        required: get_option('vte'),
 887                        kwargs: static_kwargs)
 888     endif
 889   endif
 890 endif
 891
 892 x11 = not_found
 893 if gtkx11.found()
 894   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
 895                    kwargs: static_kwargs)
 896 endif
 897 vnc = not_found
 898 png = not_found
 899 jpeg = not_found
 900 sasl = not_found
 901 if get_option('vnc').enabled()
 902   vnc = declare_dependency() # dummy dependency
 903   png = dependency('libpng', required: get_option('vnc_png'),
 904                    method: 'pkg-config', kwargs: static_kwargs)
 905   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
 906                     method: 'pkg-config', kwargs: static_kwargs)
 907   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
 908                          required: get_option('vnc_sasl'),
 909                          kwargs: static_kwargs)
 910   if sasl.found()
 911     sasl = declare_dependency(dependencies: sasl,
 912                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
 913   endif
 914 endif
 915
 916 pam = not_found
 917 if not get_option('auth_pam').auto() or have_system
 918   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
 919                         required: get_option('auth_pam'),
 920                         kwargs: static_kwargs)
 921 endif
 922 if pam.found() and not cc.links('''
 923    #include <stddef.h>
 924    #include <security/pam_appl.h>
 925    int main(void) {
 926      const char *service_name = "qemu";
 927      const char *user = "frank";
 928      const struct pam_conv pam_conv = { 0 };
 929      pam_handle_t *pamh = NULL;
 930      pam_start(service_name, user, &pam_conv, &pamh);
 931      return 0;
 932    }''', dependencies: pam)
 933   pam = not_found
 934   if get_option('auth_pam').enabled()
 935     error('could not link libpam')
 936   else
 937     warning('could not link libpam, disabling')
 938   endif
 939 endif
 940
 941 snappy = not_found
 942 if not get_option('snappy').auto() or have_system
 943   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
 944                            required: get_option('snappy'),
 945                            kwargs: static_kwargs)
 946 endif
 947 if snappy.found() and not cc.links('''
 948    #include <snappy-c.h>
 949    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
 950   snappy = not_found
 951   if get_option('snappy').enabled()
 952     error('could not link libsnappy')
 953   else
 954     warning('could not link libsnappy, disabling')
 955   endif
 956 endif
 957
 958 lzo = not_found
 959 if not get_option('lzo').auto() or have_system
 960   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
 961                         required: get_option('lzo'),
 962                         kwargs: static_kwargs)
 963 endif
 964 if lzo.found() and not cc.links('''
 965    #include <lzo/lzo1x.h>
 966    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
 967   lzo = not_found
 968   if get_option('lzo').enabled()
 969     error('could not link liblzo2')
 970   else
 971     warning('could not link liblzo2, disabling')
 972   endif
 973 endif
 974
 975 rdma = not_found
 976 if 'CONFIG_RDMA' in config_host
 977   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
 978 endif
 979 numa = not_found
 980 if 'CONFIG_NUMA' in config_host
 981   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
 982 endif
 983 xen = not_found
 984 if 'CONFIG_XEN_BACKEND' in config_host
 985   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
 986                            link_args: config_host['XEN_LIBS'].split())
 987 endif
 988 cacard = not_found
 989 if not get_option('smartcard').auto() or have_system
 990   cacard = dependency('libcacard', required: get_option('smartcard'),
 991                       version: '>=2.5.1', method: 'pkg-config',
 992                       kwargs: static_kwargs)
 993 endif
 994 u2f = not_found
 995 if have_system
 996   u2f = dependency('u2f-emu', required: get_option('u2f'),
 997                    method: 'pkg-config',
 998                    kwargs: static_kwargs)
 999 endif
1000 usbredir = not_found
1001 if not get_option('usb_redir').auto() or have_system
1002   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1003                         version: '>=0.6', method: 'pkg-config',
1004                         kwargs: static_kwargs)
1005 endif
1006 libusb = not_found
1007 if not get_option('libusb').auto() or have_system
1008   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1009                       version: '>=1.0.13', method: 'pkg-config',
1010                       kwargs: static_kwargs)
1011 endif
1012
1013 libpmem = not_found
1014 if not get_option('libpmem').auto() or have_system
1015   libpmem = dependency('libpmem', required: get_option('libpmem'),
1016                        method: 'pkg-config', kwargs: static_kwargs)
1017 endif
1018 libdaxctl = not_found
1019 if not get_option('libdaxctl').auto() or have_system
1020   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1021                          version: '>=57', method: 'pkg-config',
1022                          kwargs: static_kwargs)
1023 endif
1024 tasn1 = not_found
1025 if gnutls.found()
1026   tasn1 = dependency('libtasn1',
1027                      method: 'pkg-config',
1028                      kwargs: static_kwargs)
1029 endif
1030 keyutils = dependency('libkeyutils', required: false,
1031                       method: 'pkg-config', kwargs: static_kwargs)
1032
1033 has_gettid = cc.has_function('gettid')
1034
1035 # Malloc tests
1036
1037 malloc = []
1038 if get_option('malloc') == 'system'
1039   has_malloc_trim = \
1040     not get_option('malloc_trim').disabled() and \
1041     cc.links('''#include <malloc.h>
1042                 int main(void) { malloc_trim(0); return 0; }''')
1043 else
1044   has_malloc_trim = false
1045   malloc = cc.find_library(get_option('malloc'), required: true)
1046 endif
1047 if not has_malloc_trim and get_option('malloc_trim').enabled()
1048   if get_option('malloc') == 'system'
1049     error('malloc_trim not available on this platform.')
1050   else
1051     error('malloc_trim not available with non-libc memory allocator')
1052   endif
1053 endif
1054
1055 # Check whether the glibc provides statx()
1056
1057 gnu_source_prefix = '''
1058   #ifndef _GNU_SOURCE
1059   #define _GNU_SOURCE
1060   #endif
1061 '''
1062 statx_test = gnu_source_prefix + '''
1063   #include <sys/stat.h>
1064   int main(void) {
1065     struct statx statxbuf;
1066     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1067     return 0;
1068   }'''
1069
1070 has_statx = cc.links(statx_test)
1071
1072 have_vhost_user_blk_server = (targetos == 'linux' and
1073     'CONFIG_VHOST_USER' in config_host)
1074
1075 if get_option('vhost_user_blk_server').enabled()
1076     if targetos != 'linux'
1077         error('vhost_user_blk_server requires linux')
1078     elif 'CONFIG_VHOST_USER' not in config_host
1079         error('vhost_user_blk_server requires vhost-user support')
1080     endif
1081 elif get_option('vhost_user_blk_server').disabled() or not have_system
1082     have_vhost_user_blk_server = false
1083 endif
1084
1085
1086 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1087   error('Cannot enable fuse-lseek while fuse is disabled')
1088 endif
1089
1090 fuse = dependency('fuse3', required: get_option('fuse'),
1091                   version: '>=3.1', method: 'pkg-config',
1092                   kwargs: static_kwargs)
1093
1094 fuse_lseek = not_found
1095 if not get_option('fuse_lseek').disabled()
1096   if fuse.version().version_compare('>=3.8')
1097     # Dummy dependency
1098     fuse_lseek = declare_dependency()
1099   elif get_option('fuse_lseek').enabled()
1100     if fuse.found()
1101       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1102     else
1103       error('fuse-lseek requires libfuse, which was not found')
1104     endif
1105   endif
1106 endif
1107
1108 # libbpf
1109 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1110 if libbpf.found() and not cc.links('''
1111    #include <bpf/libbpf.h>
1112    int main(void)
1113    {
1114      bpf_object__destroy_skeleton(NULL);
1115      return 0;
1116    }''', dependencies: libbpf)
1117   libbpf = not_found
1118   if get_option('bpf').enabled()
1119     error('libbpf skeleton test failed')
1120   else
1121     warning('libbpf skeleton test failed, disabling')
1122   endif
1123 endif
1124
1125 if get_option('cfi')
1126   cfi_flags=[]
1127   # Check for dependency on LTO
1128   if not get_option('b_lto')
1129     error('Selected Control-Flow Integrity but LTO is disabled')
1130   endif
1131   if config_host.has_key('CONFIG_MODULES')
1132     error('Selected Control-Flow Integrity is not compatible with modules')
1133   endif
1134   # Check for cfi flags. CFI requires LTO so we can't use
1135   # get_supported_arguments, but need a more complex "compiles" which allows
1136   # custom arguments
1137   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1138                  args: ['-flto', '-fsanitize=cfi-icall'] )
1139     cfi_flags += '-fsanitize=cfi-icall'
1140   else
1141     error('-fsanitize=cfi-icall is not supported by the compiler')
1142   endif
1143   if cc.compiles('int main () { return 0; }',
1144                  name: '-fsanitize-cfi-icall-generalize-pointers',
1145                  args: ['-flto', '-fsanitize=cfi-icall',
1146                         '-fsanitize-cfi-icall-generalize-pointers'] )
1147     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1148   else
1149     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1150   endif
1151   if get_option('cfi_debug')
1152     if cc.compiles('int main () { return 0; }',
1153                    name: '-fno-sanitize-trap=cfi-icall',
1154                    args: ['-flto', '-fsanitize=cfi-icall',
1155                           '-fno-sanitize-trap=cfi-icall'] )
1156       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1157     else
1158       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1159     endif
1160   endif
1161   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1162   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1163 endif
1164
1165 have_host_block_device = (targetos != 'darwin' or
1166     cc.has_header('IOKit/storage/IOMedia.h'))
1167
1168 #################
1169 # config-host.h #
1170 #################
1171
1172 have_virtfs = (targetos == 'linux' and
1173     have_system and
1174     libattr.found() and
1175     libcap_ng.found())
1176
1177 have_virtfs_proxy_helper = have_virtfs and have_tools
1178
1179 if get_option('virtfs').enabled()
1180   if not have_virtfs
1181     if targetos != 'linux'
1182       error('virtio-9p (virtfs) requires Linux')
1183     elif not libcap_ng.found() or not libattr.found()
1184       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1185     elif not have_system
1186       error('virtio-9p (virtfs) needs system emulation support')
1187     endif
1188   endif
1189 elif get_option('virtfs').disabled()
1190   have_virtfs = false
1191 endif
1192
1193 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1194 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1195 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1196 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1197 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1198 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1199 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1200 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1201 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1202 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1203 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1204 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1205
1206 config_host_data.set('CONFIG_ATTR', libattr.found())
1207 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1208 config_host_data.set('CONFIG_COCOA', cocoa.found())
1209 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1210 config_host_data.set('CONFIG_LZO', lzo.found())
1211 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1212 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1213 config_host_data.set('CONFIG_CURL', curl.found())
1214 config_host_data.set('CONFIG_CURSES', curses.found())
1215 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1216 if glusterfs.found()
1217   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1218   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1219   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1220   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1221   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1222   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1223 endif
1224 config_host_data.set('CONFIG_GTK', gtk.found())
1225 config_host_data.set('CONFIG_VTE', vte.found())
1226 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1227 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1228 config_host_data.set('CONFIG_EBPF', libbpf.found())
1229 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1230 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1231 config_host_data.set('CONFIG_RBD', rbd.found())
1232 config_host_data.set('CONFIG_SDL', sdl.found())
1233 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1234 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1235 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1236 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1237 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1238 config_host_data.set('CONFIG_VNC', vnc.found())
1239 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1240 config_host_data.set('CONFIG_VNC_PNG', png.found())
1241 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1242 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1243 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1244 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1245 config_host_data.set('CONFIG_GETTID', has_gettid)
1246 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1247 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1248 config_host_data.set('CONFIG_NETTLE', nettle.found())
1249 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1250 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1251 config_host_data.set('CONFIG_STATX', has_statx)
1252 config_host_data.set('CONFIG_ZSTD', zstd.found())
1253 config_host_data.set('CONFIG_FUSE', fuse.found())
1254 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1255 config_host_data.set('CONFIG_X11', x11.found())
1256 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1257 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1258 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1259 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1260 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1261
1262 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1263
1264 # has_header
1265 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1266 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1267 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1268 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1269 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1270 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1271 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1272 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1273 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1274
1275 # has_function
1276 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1277 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1278 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1279 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1280 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1281 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
1282 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1283 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1284 config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1285 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1286 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1287 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1288 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1289 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1290 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1291 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1292 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1293 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1294
1295 # has_header_symbol
1296 config_host_data.set('CONFIG_BYTESWAP_H',
1297                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1298 config_host_data.set('CONFIG_EPOLL_CREATE1',
1299                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1300 config_host_data.set('CONFIG_HAS_ENVIRON',
1301                      cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1302 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1303                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1304                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1305 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1306                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1307 config_host_data.set('CONFIG_FIEMAP',
1308                      cc.has_header('linux/fiemap.h') and
1309                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1310 config_host_data.set('CONFIG_GETRANDOM',
1311                      cc.has_function('getrandom') and
1312                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1313 config_host_data.set('CONFIG_INOTIFY',
1314                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1315 config_host_data.set('CONFIG_INOTIFY1',
1316                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1317 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1318                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1319                                           prefix: '''#include <sys/endian.h>
1320                                                      #include <sys/types.h>'''))
1321 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1322                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1323 config_host_data.set('CONFIG_RTNETLINK',
1324                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1325 config_host_data.set('CONFIG_SYSMACROS',
1326                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1327 config_host_data.set('HAVE_OPTRESET',
1328                      cc.has_header_symbol('getopt.h', 'optreset'))
1329 config_host_data.set('HAVE_UTMPX',
1330                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
1331
1332 # has_member
1333 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1334                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1335                                    prefix: '#include <signal.h>'))
1336 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1337                      cc.has_member('struct stat', 'st_atim',
1338                                    prefix: '#include <sys/stat.h>'))
1339
1340 config_host_data.set('CONFIG_EVENTFD', cc.compiles('''
1341   #include <sys/eventfd.h>
1342   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1343 config_host_data.set('CONFIG_FDATASYNC', cc.compiles(gnu_source_prefix + '''
1344   #include <unistd.h>
1345   int main(void) {
1346   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1347   return fdatasync(0);
1348   #else
1349   #error Not supported
1350   #endif
1351   }'''))
1352 config_host_data.set('CONFIG_MADVISE', cc.compiles(gnu_source_prefix + '''
1353   #include <sys/types.h>
1354   #include <sys/mman.h>
1355   #include <stddef.h>
1356   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1357 config_host_data.set('CONFIG_MEMFD', cc.compiles(gnu_source_prefix + '''
1358   #include <sys/mman.h>
1359   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1360 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.compiles(gnu_source_prefix + '''
1361   #include <fcntl.h>
1362   #if !defined(AT_EMPTY_PATH)
1363   # error missing definition
1364   #else
1365   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1366   #endif'''))
1367 config_host_data.set('CONFIG_PIPE2', cc.compiles(gnu_source_prefix + '''
1368   #include <unistd.h>
1369   #include <fcntl.h>
1370
1371   int main(void)
1372   {
1373       int pipefd[2];
1374       return pipe2(pipefd, O_CLOEXEC);
1375   }'''))
1376 config_host_data.set('CONFIG_POSIX_MADVISE', cc.compiles(gnu_source_prefix + '''
1377   #include <sys/mman.h>
1378   #include <stddef.h>
1379   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1380 config_host_data.set('CONFIG_SIGNALFD', cc.compiles(gnu_source_prefix + '''
1381   #include <unistd.h>
1382   #include <sys/syscall.h>
1383   #include <signal.h>
1384   int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }'''))
1385 config_host_data.set('CONFIG_SPLICE', cc.compiles(gnu_source_prefix + '''
1386   #include <unistd.h>
1387   #include <fcntl.h>
1388   #include <limits.h>
1389
1390   int main(void)
1391   {
1392     int len, fd = 0;
1393     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1394     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1395     return 0;
1396   }'''))
1397
1398 # Some versions of Mac OS X incorrectly define SIZE_MAX
1399 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1400     #include <stdint.h>
1401     #include <stdio.h>
1402     int main(int argc, char *argv[]) {
1403         return printf("%zu", SIZE_MAX);
1404     }''', args: ['-Werror']))
1405
1406
1407 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
1408 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1409 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
1410 foreach k, v: config_host
1411   if ignored.contains(k)
1412     # do nothing
1413   elif arrays.contains(k)
1414     if v != ''
1415       v = '"' + '", "'.join(v.split()) + '", '
1416     endif
1417     config_host_data.set(k, v)
1418   elif k == 'ARCH'
1419     config_host_data.set('HOST_' + v.to_upper(), 1)
1420   elif strings.contains(k)
1421     if not k.startswith('CONFIG_')
1422       k = 'CONFIG_' + k.to_upper()
1423     endif
1424     config_host_data.set_quoted(k, v)
1425   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
1426     config_host_data.set(k, v == 'y' ? 1 : v)
1427   endif
1428 endforeach
1429
1430 ########################
1431 # Target configuration #
1432 ########################
1433
1434 minikconf = find_program('scripts/minikconf.py')
1435 config_all = {}
1436 config_all_devices = {}
1437 config_all_disas = {}
1438 config_devices_mak_list = []
1439 config_devices_h = {}
1440 config_target_h = {}
1441 config_target_mak = {}
1442
1443 disassemblers = {
1444   'alpha' : ['CONFIG_ALPHA_DIS'],
1445   'arm' : ['CONFIG_ARM_DIS'],
1446   'avr' : ['CONFIG_AVR_DIS'],
1447   'cris' : ['CONFIG_CRIS_DIS'],
1448   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1449   'hppa' : ['CONFIG_HPPA_DIS'],
1450   'i386' : ['CONFIG_I386_DIS'],
1451   'x86_64' : ['CONFIG_I386_DIS'],
1452   'x32' : ['CONFIG_I386_DIS'],
1453   'm68k' : ['CONFIG_M68K_DIS'],
1454   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1455   'mips' : ['CONFIG_MIPS_DIS'],
1456   'nios2' : ['CONFIG_NIOS2_DIS'],
1457   'or1k' : ['CONFIG_OPENRISC_DIS'],
1458   'ppc' : ['CONFIG_PPC_DIS'],
1459   'riscv' : ['CONFIG_RISCV_DIS'],
1460   'rx' : ['CONFIG_RX_DIS'],
1461   's390' : ['CONFIG_S390_DIS'],
1462   'sh4' : ['CONFIG_SH4_DIS'],
1463   'sparc' : ['CONFIG_SPARC_DIS'],
1464   'xtensa' : ['CONFIG_XTENSA_DIS'],
1465 }
1466 if link_language == 'cpp'
1467   disassemblers += {
1468     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1469     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1470     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1471   }
1472 endif
1473
1474 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
1475 host_kconfig = \
1476   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1477   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
1478   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
1479   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1480   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1481   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1482   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1483   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1484   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1485   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1486   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1487   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1488
1489 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1490
1491 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1492 actual_target_dirs = []
1493 fdt_required = []
1494 foreach target : target_dirs
1495   config_target = { 'TARGET_NAME': target.split('-')[0] }
1496   if target.endswith('linux-user')
1497     if targetos != 'linux'
1498       if default_targets
1499         continue
1500       endif
1501       error('Target @0@ is only available on a Linux host'.format(target))
1502     endif
1503     config_target += { 'CONFIG_LINUX_USER': 'y' }
1504   elif target.endswith('bsd-user')
1505     if 'CONFIG_BSD' not in config_host
1506       if default_targets
1507         continue
1508       endif
1509       error('Target @0@ is only available on a BSD host'.format(target))
1510     endif
1511     config_target += { 'CONFIG_BSD_USER': 'y' }
1512   elif target.endswith('softmmu')
1513     config_target += { 'CONFIG_SOFTMMU': 'y' }
1514   endif
1515   if target.endswith('-user')
1516     config_target += {
1517       'CONFIG_USER_ONLY': 'y',
1518       'CONFIG_QEMU_INTERP_PREFIX':
1519         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1520     }
1521   endif
1522
1523   accel_kconfig = []
1524   foreach sym: accelerators
1525     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1526       config_target += { sym: 'y' }
1527       config_all += { sym: 'y' }
1528       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1529         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1530       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1531         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1532       endif
1533       accel_kconfig += [ sym + '=y' ]
1534     endif
1535   endforeach
1536   if accel_kconfig.length() == 0
1537     if default_targets
1538       continue
1539     endif
1540     error('No accelerator available for target @0@'.format(target))
1541   endif
1542
1543   actual_target_dirs += target
1544   config_target += keyval.load('default-configs/targets' / target + '.mak')
1545   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1546
1547   if 'TARGET_NEED_FDT' in config_target
1548     fdt_required += target
1549   endif
1550
1551   # Add default keys
1552   if 'TARGET_BASE_ARCH' not in config_target
1553     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1554   endif
1555   if 'TARGET_ABI_DIR' not in config_target
1556     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1557   endif
1558
1559   foreach k, v: disassemblers
1560     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1561       foreach sym: v
1562         config_target += { sym: 'y' }
1563         config_all_disas += { sym: 'y' }
1564       endforeach
1565     endif
1566   endforeach
1567
1568   config_target_data = configuration_data()
1569   foreach k, v: config_target
1570     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1571       # do nothing
1572     elif ignored.contains(k)
1573       # do nothing
1574     elif k == 'TARGET_BASE_ARCH'
1575       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1576       # not used to select files from sourcesets.
1577       config_target_data.set('TARGET_' + v.to_upper(), 1)
1578     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1579       config_target_data.set_quoted(k, v)
1580     elif v == 'y'
1581       config_target_data.set(k, 1)
1582     else
1583       config_target_data.set(k, v)
1584     endif
1585   endforeach
1586   config_target_h += {target: configure_file(output: target + '-config-target.h',
1587                                                configuration: config_target_data)}
1588
1589   if target.endswith('-softmmu')
1590     config_devices_mak = target + '-config-devices.mak'
1591     config_devices_mak = configure_file(
1592       input: ['default-configs/devices' / target + '.mak', 'Kconfig'],
1593       output: config_devices_mak,
1594       depfile: config_devices_mak + '.d',
1595       capture: true,
1596       command: [minikconf,
1597                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1598                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1599                 host_kconfig, accel_kconfig])
1600
1601     config_devices_data = configuration_data()
1602     config_devices = keyval.load(config_devices_mak)
1603     foreach k, v: config_devices
1604       config_devices_data.set(k, 1)
1605     endforeach
1606     config_devices_mak_list += config_devices_mak
1607     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1608                                                 configuration: config_devices_data)}
1609     config_target += config_devices
1610     config_all_devices += config_devices
1611   endif
1612   config_target_mak += {target: config_target}
1613 endforeach
1614 target_dirs = actual_target_dirs
1615
1616 # This configuration is used to build files that are shared by
1617 # multiple binaries, and then extracted out of the "common"
1618 # static_library target.
1619 #
1620 # We do not use all_sources()/all_dependencies(), because it would
1621 # build literally all source files, including devices only used by
1622 # targets that are not built for this compilation.  The CONFIG_ALL
1623 # pseudo symbol replaces it.
1624
1625 config_all += config_all_devices
1626 config_all += config_host
1627 config_all += config_all_disas
1628 config_all += {
1629   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1630   'CONFIG_SOFTMMU': have_system,
1631   'CONFIG_USER_ONLY': have_user,
1632   'CONFIG_ALL': true,
1633 }
1634
1635 ##############
1636 # Submodules #
1637 ##############
1638
1639 capstone = not_found
1640 capstone_opt = get_option('capstone')
1641 if capstone_opt in ['enabled', 'auto', 'system']
1642   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1643   capstone = dependency('capstone', version: '>=4.0',
1644                         kwargs: static_kwargs, method: 'pkg-config',
1645                         required: capstone_opt == 'system' or
1646                                   capstone_opt == 'enabled' and not have_internal)
1647   if capstone.found()
1648     capstone_opt = 'system'
1649   elif have_internal
1650     capstone_opt = 'internal'
1651   else
1652     capstone_opt = 'disabled'
1653   endif
1654 endif
1655 if capstone_opt == 'internal'
1656   capstone_data = configuration_data()
1657   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1658
1659   capstone_files = files(
1660     'capstone/cs.c',
1661     'capstone/MCInst.c',
1662     'capstone/MCInstrDesc.c',
1663     'capstone/MCRegisterInfo.c',
1664     'capstone/SStream.c',
1665     'capstone/utils.c'
1666   )
1667
1668   if 'CONFIG_ARM_DIS' in config_all_disas
1669     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1670     capstone_files += files(
1671       'capstone/arch/ARM/ARMDisassembler.c',
1672       'capstone/arch/ARM/ARMInstPrinter.c',
1673       'capstone/arch/ARM/ARMMapping.c',
1674       'capstone/arch/ARM/ARMModule.c'
1675     )
1676   endif
1677
1678   # FIXME: This config entry currently depends on a c++ compiler.
1679   # Which is needed for building libvixl, but not for capstone.
1680   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1681     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1682     capstone_files += files(
1683       'capstone/arch/AArch64/AArch64BaseInfo.c',
1684       'capstone/arch/AArch64/AArch64Disassembler.c',
1685       'capstone/arch/AArch64/AArch64InstPrinter.c',
1686       'capstone/arch/AArch64/AArch64Mapping.c',
1687       'capstone/arch/AArch64/AArch64Module.c'
1688     )
1689   endif
1690
1691   if 'CONFIG_PPC_DIS' in config_all_disas
1692     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1693     capstone_files += files(
1694       'capstone/arch/PowerPC/PPCDisassembler.c',
1695       'capstone/arch/PowerPC/PPCInstPrinter.c',
1696       'capstone/arch/PowerPC/PPCMapping.c',
1697       'capstone/arch/PowerPC/PPCModule.c'
1698     )
1699   endif
1700
1701   if 'CONFIG_S390_DIS' in config_all_disas
1702     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1703     capstone_files += files(
1704       'capstone/arch/SystemZ/SystemZDisassembler.c',
1705       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1706       'capstone/arch/SystemZ/SystemZMapping.c',
1707       'capstone/arch/SystemZ/SystemZModule.c',
1708       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1709     )
1710   endif
1711
1712   if 'CONFIG_I386_DIS' in config_all_disas
1713     capstone_data.set('CAPSTONE_HAS_X86', 1)
1714     capstone_files += files(
1715       'capstone/arch/X86/X86Disassembler.c',
1716       'capstone/arch/X86/X86DisassemblerDecoder.c',
1717       'capstone/arch/X86/X86ATTInstPrinter.c',
1718       'capstone/arch/X86/X86IntelInstPrinter.c',
1719       'capstone/arch/X86/X86InstPrinterCommon.c',
1720       'capstone/arch/X86/X86Mapping.c',
1721       'capstone/arch/X86/X86Module.c'
1722     )
1723   endif
1724
1725   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1726
1727   capstone_cargs = [
1728     # FIXME: There does not seem to be a way to completely replace the c_args
1729     # that come from add_project_arguments() -- we can only add to them.
1730     # So: disable all warnings with a big hammer.
1731     '-Wno-error', '-w',
1732
1733     # Include all configuration defines via a header file, which will wind up
1734     # as a dependency on the object file, and thus changes here will result
1735     # in a rebuild.
1736     '-include', 'capstone-defs.h'
1737   ]
1738
1739   libcapstone = static_library('capstone',
1740                                build_by_default: false,
1741                                sources: capstone_files,
1742                                c_args: capstone_cargs,
1743                                include_directories: 'capstone/include')
1744   capstone = declare_dependency(link_with: libcapstone,
1745                                 include_directories: 'capstone/include/capstone')
1746 endif
1747
1748 slirp = not_found
1749 slirp_opt = 'disabled'
1750 if have_system
1751   slirp_opt = get_option('slirp')
1752   if slirp_opt in ['enabled', 'auto', 'system']
1753     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1754     slirp = dependency('slirp', kwargs: static_kwargs,
1755                        method: 'pkg-config',
1756                        required: slirp_opt == 'system' or
1757                                  slirp_opt == 'enabled' and not have_internal)
1758     if slirp.found()
1759       slirp_opt = 'system'
1760     elif have_internal
1761       slirp_opt = 'internal'
1762     else
1763       slirp_opt = 'disabled'
1764     endif
1765   endif
1766   if slirp_opt == 'internal'
1767     slirp_deps = []
1768     if targetos == 'windows'
1769       slirp_deps = cc.find_library('iphlpapi')
1770     endif
1771     slirp_conf = configuration_data()
1772     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1773     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1774     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1775     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1776     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1777     slirp_files = [
1778       'slirp/src/arp_table.c',
1779       'slirp/src/bootp.c',
1780       'slirp/src/cksum.c',
1781       'slirp/src/dhcpv6.c',
1782       'slirp/src/dnssearch.c',
1783       'slirp/src/if.c',
1784       'slirp/src/ip6_icmp.c',
1785       'slirp/src/ip6_input.c',
1786       'slirp/src/ip6_output.c',
1787       'slirp/src/ip_icmp.c',
1788       'slirp/src/ip_input.c',
1789       'slirp/src/ip_output.c',
1790       'slirp/src/mbuf.c',
1791       'slirp/src/misc.c',
1792       'slirp/src/ncsi.c',
1793       'slirp/src/ndp_table.c',
1794       'slirp/src/sbuf.c',
1795       'slirp/src/slirp.c',
1796       'slirp/src/socket.c',
1797       'slirp/src/state.c',
1798       'slirp/src/stream.c',
1799       'slirp/src/tcp_input.c',
1800       'slirp/src/tcp_output.c',
1801       'slirp/src/tcp_subr.c',
1802       'slirp/src/tcp_timer.c',
1803       'slirp/src/tftp.c',
1804       'slirp/src/udp.c',
1805       'slirp/src/udp6.c',
1806       'slirp/src/util.c',
1807       'slirp/src/version.c',
1808       'slirp/src/vmstate.c',
1809     ]
1810
1811     configure_file(
1812       input : 'slirp/src/libslirp-version.h.in',
1813       output : 'libslirp-version.h',
1814       configuration: slirp_conf)
1815
1816     slirp_inc = include_directories('slirp', 'slirp/src')
1817     libslirp = static_library('slirp',
1818                               build_by_default: false,
1819                               sources: slirp_files,
1820                               c_args: slirp_cargs,
1821                               include_directories: slirp_inc)
1822     slirp = declare_dependency(link_with: libslirp,
1823                                dependencies: slirp_deps,
1824                                include_directories: slirp_inc)
1825   endif
1826 endif
1827
1828 # For CFI, we need to compile slirp as a static library together with qemu.
1829 # This is because we register slirp functions as callbacks for QEMU Timers.
1830 # When using a system-wide shared libslirp, the type information for the
1831 # callback is missing and the timer call produces a false positive with CFI.
1832 #
1833 # Now that slirp_opt has been defined, check if the selected slirp is compatible
1834 # with control-flow integrity.
1835 if get_option('cfi') and slirp_opt == 'system'
1836   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
1837          + ' Please configure with --enable-slirp=git')
1838 endif
1839
1840 fdt = not_found
1841 fdt_opt = get_option('fdt')
1842 if have_system
1843   if fdt_opt in ['enabled', 'auto', 'system']
1844     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1845     fdt = cc.find_library('fdt', kwargs: static_kwargs,
1846                           required: fdt_opt == 'system' or
1847                                     fdt_opt == 'enabled' and not have_internal)
1848     if fdt.found() and cc.links('''
1849        #include <libfdt.h>
1850        #include <libfdt_env.h>
1851        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1852          dependencies: fdt)
1853       fdt_opt = 'system'
1854     elif have_internal
1855       fdt_opt = 'internal'
1856     else
1857       fdt_opt = 'disabled'
1858     endif
1859   endif
1860   if fdt_opt == 'internal'
1861     fdt_files = files(
1862       'dtc/libfdt/fdt.c',
1863       'dtc/libfdt/fdt_ro.c',
1864       'dtc/libfdt/fdt_wip.c',
1865       'dtc/libfdt/fdt_sw.c',
1866       'dtc/libfdt/fdt_rw.c',
1867       'dtc/libfdt/fdt_strerror.c',
1868       'dtc/libfdt/fdt_empty_tree.c',
1869       'dtc/libfdt/fdt_addresses.c',
1870       'dtc/libfdt/fdt_overlay.c',
1871       'dtc/libfdt/fdt_check.c',
1872     )
1873
1874     fdt_inc = include_directories('dtc/libfdt')
1875     libfdt = static_library('fdt',
1876                             build_by_default: false,
1877                             sources: fdt_files,
1878                             include_directories: fdt_inc)
1879     fdt = declare_dependency(link_with: libfdt,
1880                              include_directories: fdt_inc)
1881   endif
1882 endif
1883 if not fdt.found() and fdt_required.length() > 0
1884   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1885 endif
1886
1887 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1888 config_host_data.set('CONFIG_FDT', fdt.found())
1889 config_host_data.set('CONFIG_SLIRP', slirp.found())
1890
1891 #####################
1892 # Generated sources #
1893 #####################
1894
1895 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1896
1897 hxtool = find_program('scripts/hxtool')
1898 shaderinclude = find_program('scripts/shaderinclude.pl')
1899 qapi_gen = find_program('scripts/qapi-gen.py')
1900 qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
1901                      meson.source_root() / 'scripts/qapi/commands.py',
1902                      meson.source_root() / 'scripts/qapi/common.py',
1903                      meson.source_root() / 'scripts/qapi/error.py',
1904                      meson.source_root() / 'scripts/qapi/events.py',
1905                      meson.source_root() / 'scripts/qapi/expr.py',
1906                      meson.source_root() / 'scripts/qapi/gen.py',
1907                      meson.source_root() / 'scripts/qapi/introspect.py',
1908                      meson.source_root() / 'scripts/qapi/parser.py',
1909                      meson.source_root() / 'scripts/qapi/schema.py',
1910                      meson.source_root() / 'scripts/qapi/source.py',
1911                      meson.source_root() / 'scripts/qapi/types.py',
1912                      meson.source_root() / 'scripts/qapi/visit.py',
1913                      meson.source_root() / 'scripts/qapi/common.py',
1914                      meson.source_root() / 'scripts/qapi-gen.py'
1915 ]
1916
1917 tracetool = [
1918   python, files('scripts/tracetool.py'),
1919    '--backend=' + config_host['TRACE_BACKENDS']
1920 ]
1921 tracetool_depends = files(
1922   'scripts/tracetool/backend/log.py',
1923   'scripts/tracetool/backend/__init__.py',
1924   'scripts/tracetool/backend/dtrace.py',
1925   'scripts/tracetool/backend/ftrace.py',
1926   'scripts/tracetool/backend/simple.py',
1927   'scripts/tracetool/backend/syslog.py',
1928   'scripts/tracetool/backend/ust.py',
1929   'scripts/tracetool/format/tcg_h.py',
1930   'scripts/tracetool/format/ust_events_c.py',
1931   'scripts/tracetool/format/ust_events_h.py',
1932   'scripts/tracetool/format/__init__.py',
1933   'scripts/tracetool/format/d.py',
1934   'scripts/tracetool/format/tcg_helper_c.py',
1935   'scripts/tracetool/format/simpletrace_stap.py',
1936   'scripts/tracetool/format/c.py',
1937   'scripts/tracetool/format/h.py',
1938   'scripts/tracetool/format/tcg_helper_h.py',
1939   'scripts/tracetool/format/log_stap.py',
1940   'scripts/tracetool/format/stap.py',
1941   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
1942   'scripts/tracetool/__init__.py',
1943   'scripts/tracetool/transform.py',
1944   'scripts/tracetool/vcpu.py'
1945 )
1946
1947 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
1948                     meson.current_source_dir(),
1949                     config_host['PKGVERSION'], meson.project_version()]
1950 qemu_version = custom_target('qemu-version.h',
1951                              output: 'qemu-version.h',
1952                              command: qemu_version_cmd,
1953                              capture: true,
1954                              build_by_default: true,
1955                              build_always_stale: true)
1956 genh += qemu_version
1957
1958 hxdep = []
1959 hx_headers = [
1960   ['qemu-options.hx', 'qemu-options.def'],
1961   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
1962 ]
1963 if have_system
1964   hx_headers += [
1965     ['hmp-commands.hx', 'hmp-commands.h'],
1966     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
1967   ]
1968 endif
1969 foreach d : hx_headers
1970   hxdep += custom_target(d[1],
1971                 input: files(d[0]),
1972                 output: d[1],
1973                 capture: true,
1974                 build_by_default: true, # to be removed when added to a target
1975                 command: [hxtool, '-h', '@INPUT0@'])
1976 endforeach
1977 genh += hxdep
1978
1979 ###################
1980 # Collect sources #
1981 ###################
1982
1983 authz_ss = ss.source_set()
1984 blockdev_ss = ss.source_set()
1985 block_ss = ss.source_set()
1986 bsd_user_ss = ss.source_set()
1987 chardev_ss = ss.source_set()
1988 common_ss = ss.source_set()
1989 crypto_ss = ss.source_set()
1990 io_ss = ss.source_set()
1991 linux_user_ss = ss.source_set()
1992 qmp_ss = ss.source_set()
1993 qom_ss = ss.source_set()
1994 softmmu_ss = ss.source_set()
1995 specific_fuzz_ss = ss.source_set()
1996 specific_ss = ss.source_set()
1997 stub_ss = ss.source_set()
1998 trace_ss = ss.source_set()
1999 user_ss = ss.source_set()
2000 util_ss = ss.source_set()
2001
2002 modules = {}
2003 hw_arch = {}
2004 target_arch = {}
2005 target_softmmu_arch = {}
2006 target_user_arch = {}
2007
2008 ###############
2009 # Trace files #
2010 ###############
2011
2012 # TODO: add each directory to the subdirs from its own meson.build, once
2013 # we have those
2014 trace_events_subdirs = [
2015   'crypto',
2016   'qapi',
2017   'qom',
2018   'monitor',
2019   'util',
2020 ]
2021 if have_user
2022   trace_events_subdirs += [ 'linux-user' ]
2023 endif
2024 if have_block
2025   trace_events_subdirs += [
2026     'authz',
2027     'block',
2028     'io',
2029     'nbd',
2030     'scsi',
2031   ]
2032 endif
2033 if have_system
2034   trace_events_subdirs += [
2035     'accel/kvm',
2036     'audio',
2037     'backends',
2038     'backends/tpm',
2039     'chardev',
2040     'ebpf',
2041     'hw/9pfs',
2042     'hw/acpi',
2043     'hw/adc',
2044     'hw/alpha',
2045     'hw/arm',
2046     'hw/audio',
2047     'hw/block',
2048     'hw/block/dataplane',
2049     'hw/char',
2050     'hw/display',
2051     'hw/dma',
2052     'hw/hppa',
2053     'hw/hyperv',
2054     'hw/i2c',
2055     'hw/i386',
2056     'hw/i386/xen',
2057     'hw/ide',
2058     'hw/input',
2059     'hw/intc',
2060     'hw/isa',
2061     'hw/mem',
2062     'hw/mips',
2063     'hw/misc',
2064     'hw/misc/macio',
2065     'hw/net',
2066     'hw/net/can',
2067     'hw/nvme',
2068     'hw/nvram',
2069     'hw/pci',
2070     'hw/pci-host',
2071     'hw/ppc',
2072     'hw/rdma',
2073     'hw/rdma/vmw',
2074     'hw/rtc',
2075     'hw/s390x',
2076     'hw/scsi',
2077     'hw/sd',
2078     'hw/sparc',
2079     'hw/sparc64',
2080     'hw/ssi',
2081     'hw/timer',
2082     'hw/tpm',
2083     'hw/usb',
2084     'hw/vfio',
2085     'hw/virtio',
2086     'hw/watchdog',
2087     'hw/xen',
2088     'hw/gpio',
2089     'migration',
2090     'net',
2091     'softmmu',
2092     'ui',
2093     'hw/remote',
2094   ]
2095 endif
2096 if have_system or have_user
2097   trace_events_subdirs += [
2098     'accel/tcg',
2099     'hw/core',
2100     'target/arm',
2101     'target/hppa',
2102     'target/i386',
2103     'target/i386/kvm',
2104     'target/mips/tcg',
2105     'target/ppc',
2106     'target/riscv',
2107     'target/s390x',
2108     'target/sparc',
2109   ]
2110 endif
2111
2112 vhost_user = not_found
2113 if 'CONFIG_VHOST_USER' in config_host
2114   libvhost_user = subproject('libvhost-user')
2115   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2116 endif
2117
2118 subdir('qapi')
2119 subdir('qobject')
2120 subdir('stubs')
2121 subdir('trace')
2122 subdir('util')
2123 subdir('qom')
2124 subdir('authz')
2125 subdir('crypto')
2126 subdir('ui')
2127
2128
2129 if enable_modules
2130   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2131   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2132 endif
2133
2134 stub_ss = stub_ss.apply(config_all, strict: false)
2135
2136 util_ss.add_all(trace_ss)
2137 util_ss = util_ss.apply(config_all, strict: false)
2138 libqemuutil = static_library('qemuutil',
2139                              sources: util_ss.sources() + stub_ss.sources() + genh,
2140                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2141 qemuutil = declare_dependency(link_with: libqemuutil,
2142                               sources: genh + version_res)
2143
2144 if have_system or have_user
2145   decodetree = generator(find_program('scripts/decodetree.py'),
2146                          output: 'decode-@BASENAME@.c.inc',
2147                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2148   subdir('libdecnumber')
2149   subdir('target')
2150 endif
2151
2152 subdir('audio')
2153 subdir('io')
2154 subdir('chardev')
2155 subdir('fsdev')
2156 subdir('dump')
2157
2158 if have_block
2159   block_ss.add(files(
2160     'block.c',
2161     'blockjob.c',
2162     'job.c',
2163     'qemu-io-cmds.c',
2164   ))
2165   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
2166
2167   subdir('nbd')
2168   subdir('scsi')
2169   subdir('block')
2170
2171   blockdev_ss.add(files(
2172     'blockdev.c',
2173     'blockdev-nbd.c',
2174     'iothread.c',
2175     'job-qmp.c',
2176   ), gnutls)
2177
2178   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2179   # os-win32.c does not
2180   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2181   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2182 endif
2183
2184 common_ss.add(files('cpus-common.c'))
2185
2186 subdir('softmmu')
2187
2188 common_ss.add(capstone)
2189 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2190
2191 # Work around a gcc bug/misfeature wherein constant propagation looks
2192 # through an alias:
2193 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2194 # to guess that a const variable is always zero.  Without lto, this is
2195 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2196 # without lto, not even the alias is required -- we simply use different
2197 # declarations in different compilation units.
2198 pagevary = files('page-vary-common.c')
2199 if get_option('b_lto')
2200   pagevary_flags = ['-fno-lto']
2201   if get_option('cfi')
2202     pagevary_flags += '-fno-sanitize=cfi-icall'
2203   endif
2204   pagevary = static_library('page-vary-common', sources: pagevary,
2205                             c_args: pagevary_flags)
2206   pagevary = declare_dependency(link_with: pagevary)
2207 endif
2208 common_ss.add(pagevary)
2209 specific_ss.add(files('page-vary.c'))
2210
2211 subdir('backends')
2212 subdir('disas')
2213 subdir('migration')
2214 subdir('monitor')
2215 subdir('net')
2216 subdir('replay')
2217 subdir('semihosting')
2218 subdir('hw')
2219 subdir('tcg')
2220 subdir('fpu')
2221 subdir('accel')
2222 subdir('plugins')
2223 subdir('bsd-user')
2224 subdir('linux-user')
2225 subdir('ebpf')
2226
2227 common_ss.add(libbpf)
2228
2229 bsd_user_ss.add(files('gdbstub.c'))
2230 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2231
2232 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
2233 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2234
2235 # needed for fuzzing binaries
2236 subdir('tests/qtest/libqos')
2237 subdir('tests/qtest/fuzz')
2238
2239 ########################
2240 # Library dependencies #
2241 ########################
2242
2243 block_mods = []
2244 softmmu_mods = []
2245 foreach d, list : modules
2246   foreach m, module_ss : list
2247     if enable_modules and targetos != 'windows'
2248       module_ss = module_ss.apply(config_all, strict: false)
2249       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2250                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2251       if d == 'block'
2252         block_mods += sl
2253       else
2254         softmmu_mods += sl
2255       endif
2256     else
2257       if d == 'block'
2258         block_ss.add_all(module_ss)
2259       else
2260         softmmu_ss.add_all(module_ss)
2261       endif
2262     endif
2263   endforeach
2264 endforeach
2265
2266 nm = find_program('nm')
2267 undefsym = find_program('scripts/undefsym.py')
2268 block_syms = custom_target('block.syms', output: 'block.syms',
2269                              input: [libqemuutil, block_mods],
2270                              capture: true,
2271                              command: [undefsym, nm, '@INPUT@'])
2272 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2273                              input: [libqemuutil, softmmu_mods],
2274                              capture: true,
2275                              command: [undefsym, nm, '@INPUT@'])
2276
2277 qom_ss = qom_ss.apply(config_host, strict: false)
2278 libqom = static_library('qom', qom_ss.sources() + genh,
2279                         dependencies: [qom_ss.dependencies()],
2280                         name_suffix: 'fa')
2281
2282 qom = declare_dependency(link_whole: libqom)
2283
2284 authz_ss = authz_ss.apply(config_host, strict: false)
2285 libauthz = static_library('authz', authz_ss.sources() + genh,
2286                           dependencies: [authz_ss.dependencies()],
2287                           name_suffix: 'fa',
2288                           build_by_default: false)
2289
2290 authz = declare_dependency(link_whole: libauthz,
2291                            dependencies: qom)
2292
2293 crypto_ss = crypto_ss.apply(config_host, strict: false)
2294 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2295                            dependencies: [crypto_ss.dependencies()],
2296                            name_suffix: 'fa',
2297                            build_by_default: false)
2298
2299 crypto = declare_dependency(link_whole: libcrypto,
2300                             dependencies: [authz, qom])
2301
2302 io_ss = io_ss.apply(config_host, strict: false)
2303 libio = static_library('io', io_ss.sources() + genh,
2304                        dependencies: [io_ss.dependencies()],
2305                        link_with: libqemuutil,
2306                        name_suffix: 'fa',
2307                        build_by_default: false)
2308
2309 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2310
2311 libmigration = static_library('migration', sources: migration_files + genh,
2312                               name_suffix: 'fa',
2313                               build_by_default: false)
2314 migration = declare_dependency(link_with: libmigration,
2315                                dependencies: [zlib, qom, io])
2316 softmmu_ss.add(migration)
2317
2318 block_ss = block_ss.apply(config_host, strict: false)
2319 libblock = static_library('block', block_ss.sources() + genh,
2320                           dependencies: block_ss.dependencies(),
2321                           link_depends: block_syms,
2322                           name_suffix: 'fa',
2323                           build_by_default: false)
2324
2325 block = declare_dependency(link_whole: [libblock],
2326                            link_args: '@block.syms',
2327                            dependencies: [crypto, io])
2328
2329 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2330 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2331                              dependencies: blockdev_ss.dependencies(),
2332                              name_suffix: 'fa',
2333                              build_by_default: false)
2334
2335 blockdev = declare_dependency(link_whole: [libblockdev],
2336                               dependencies: [block])
2337
2338 qmp_ss = qmp_ss.apply(config_host, strict: false)
2339 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2340                         dependencies: qmp_ss.dependencies(),
2341                         name_suffix: 'fa',
2342                         build_by_default: false)
2343
2344 qmp = declare_dependency(link_whole: [libqmp])
2345
2346 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2347                             name_suffix: 'fa',
2348                             dependencies: [gnutls],
2349                             build_by_default: false)
2350
2351 chardev = declare_dependency(link_whole: libchardev)
2352
2353 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
2354                            name_suffix: 'fa',
2355                            build_by_default: false)
2356 hwcore = declare_dependency(link_whole: libhwcore)
2357 common_ss.add(hwcore)
2358
2359 ###########
2360 # Targets #
2361 ###########
2362
2363 foreach m : block_mods + softmmu_mods
2364   shared_module(m.name(),
2365                 name_prefix: '',
2366                 link_whole: m,
2367                 install: true,
2368                 install_dir: qemu_moddir)
2369 endforeach
2370
2371 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2372 common_ss.add(qom, qemuutil)
2373
2374 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2375 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2376
2377 common_all = common_ss.apply(config_all, strict: false)
2378 common_all = static_library('common',
2379                             build_by_default: false,
2380                             sources: common_all.sources() + genh,
2381                             implicit_include_directories: false,
2382                             dependencies: common_all.dependencies(),
2383                             name_suffix: 'fa')
2384
2385 feature_to_c = find_program('scripts/feature_to_c.sh')
2386
2387 emulators = {}
2388 foreach target : target_dirs
2389   config_target = config_target_mak[target]
2390   target_name = config_target['TARGET_NAME']
2391   arch = config_target['TARGET_BASE_ARCH']
2392   arch_srcs = [config_target_h[target]]
2393   arch_deps = []
2394   c_args = ['-DNEED_CPU_H',
2395             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2396             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2397   link_args = emulator_link_args
2398
2399   config_target += config_host
2400   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2401   if targetos == 'linux'
2402     target_inc += include_directories('linux-headers', is_system: true)
2403   endif
2404   if target.endswith('-softmmu')
2405     qemu_target_name = 'qemu-system-' + target_name
2406     target_type='system'
2407     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2408     arch_srcs += t.sources()
2409     arch_deps += t.dependencies()
2410
2411     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2412     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2413     arch_srcs += hw.sources()
2414     arch_deps += hw.dependencies()
2415
2416     arch_srcs += config_devices_h[target]
2417     link_args += ['@block.syms', '@qemu.syms']
2418   else
2419     abi = config_target['TARGET_ABI_DIR']
2420     target_type='user'
2421     qemu_target_name = 'qemu-' + target_name
2422     if arch in target_user_arch
2423       t = target_user_arch[arch].apply(config_target, strict: false)
2424       arch_srcs += t.sources()
2425       arch_deps += t.dependencies()
2426     endif
2427     if 'CONFIG_LINUX_USER' in config_target
2428       base_dir = 'linux-user'
2429       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2430     else
2431       base_dir = 'bsd-user'
2432       target_inc += include_directories('bsd-user/freebsd')
2433     endif
2434     target_inc += include_directories(
2435       base_dir,
2436       base_dir / abi,
2437     )
2438     if 'CONFIG_LINUX_USER' in config_target
2439       dir = base_dir / abi
2440       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2441       if config_target.has_key('TARGET_SYSTBL_ABI')
2442         arch_srcs += \
2443           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2444                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2445       endif
2446     endif
2447   endif
2448
2449   if 'TARGET_XML_FILES' in config_target
2450     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2451                                 output: target + '-gdbstub-xml.c',
2452                                 input: files(config_target['TARGET_XML_FILES'].split()),
2453                                 command: [feature_to_c, '@INPUT@'],
2454                                 capture: true)
2455     arch_srcs += gdbstub_xml
2456   endif
2457
2458   t = target_arch[arch].apply(config_target, strict: false)
2459   arch_srcs += t.sources()
2460   arch_deps += t.dependencies()
2461
2462   target_common = common_ss.apply(config_target, strict: false)
2463   objects = common_all.extract_objects(target_common.sources())
2464   deps = target_common.dependencies()
2465
2466   target_specific = specific_ss.apply(config_target, strict: false)
2467   arch_srcs += target_specific.sources()
2468   arch_deps += target_specific.dependencies()
2469
2470   lib = static_library('qemu-' + target,
2471                  sources: arch_srcs + genh,
2472                  dependencies: arch_deps,
2473                  objects: objects,
2474                  include_directories: target_inc,
2475                  c_args: c_args,
2476                  build_by_default: false,
2477                  name_suffix: 'fa')
2478
2479   if target.endswith('-softmmu')
2480     execs = [{
2481       'name': 'qemu-system-' + target_name,
2482       'gui': false,
2483       'sources': files('softmmu/main.c'),
2484       'dependencies': []
2485     }]
2486     if targetos == 'windows' and (sdl.found() or gtk.found())
2487       execs += [{
2488         'name': 'qemu-system-' + target_name + 'w',
2489         'gui': true,
2490         'sources': files('softmmu/main.c'),
2491         'dependencies': []
2492       }]
2493     endif
2494     if config_host.has_key('CONFIG_FUZZ')
2495       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2496       execs += [{
2497         'name': 'qemu-fuzz-' + target_name,
2498         'gui': false,
2499         'sources': specific_fuzz.sources(),
2500         'dependencies': specific_fuzz.dependencies(),
2501       }]
2502     endif
2503   else
2504     execs = [{
2505       'name': 'qemu-' + target_name,
2506       'gui': false,
2507       'sources': [],
2508       'dependencies': []
2509     }]
2510   endif
2511   foreach exe: execs
2512     exe_name = exe['name']
2513     if targetos == 'darwin'
2514       exe_name += '-unsigned'
2515     endif
2516
2517     emulator = executable(exe_name, exe['sources'],
2518                install: true,
2519                c_args: c_args,
2520                dependencies: arch_deps + deps + exe['dependencies'],
2521                objects: lib.extract_all_objects(recursive: true),
2522                link_language: link_language,
2523                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2524                link_args: link_args,
2525                gui_app: exe['gui'])
2526
2527     if 'CONFIG_HVF' in config_target
2528       entitlements = meson.current_source_dir() / 'accel/hvf/entitlements.plist'
2529     else
2530       entitlements = '/dev/null'
2531     endif
2532     if targetos == 'darwin'
2533       icon = meson.current_source_dir() / 'pc-bios/qemu.rsrc'
2534       emulators += {exe['name'] : custom_target(exe['name'],
2535                    depends: emulator,
2536                    output: exe['name'],
2537                    command: [
2538                      meson.current_source_dir() / 'scripts/entitlement.sh',
2539                      meson.current_build_dir() / exe_name,
2540                      meson.current_build_dir() / exe['name'],
2541                      entitlements, icon
2542                    ])
2543       }
2544
2545       meson.add_install_script('scripts/entitlement.sh', '--install',
2546                                get_option('bindir') / exe_name,
2547                                get_option('bindir') / exe['name'],
2548                                entitlements, icon)
2549     else
2550       emulators += {exe['name']: emulator}
2551     endif
2552
2553     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
2554       foreach stp: [
2555         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
2556         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
2557         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
2558         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
2559       ]
2560         custom_target(exe['name'] + stp['ext'],
2561                       input: trace_events_all,
2562                       output: exe['name'] + stp['ext'],
2563                       install: stp['install'],
2564                       install_dir: get_option('datadir') / 'systemtap/tapset',
2565                       command: [
2566                         tracetool, '--group=all', '--format=' + stp['fmt'],
2567                         '--binary=' + stp['bin'],
2568                         '--target-name=' + target_name,
2569                         '--target-type=' + target_type,
2570                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
2571                         '@INPUT@', '@OUTPUT@'
2572                       ],
2573                       depend_files: tracetool_depends)
2574       endforeach
2575     endif
2576   endforeach
2577 endforeach
2578
2579 # Other build targets
2580
2581 if 'CONFIG_PLUGIN' in config_host
2582   install_headers('include/qemu/qemu-plugin.h')
2583 endif
2584
2585 if 'CONFIG_GUEST_AGENT' in config_host
2586   subdir('qga')
2587 elif get_option('guest_agent_msi').enabled()
2588   error('Guest agent MSI requested, but the guest agent is not being built')
2589 endif
2590
2591 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
2592 # when we don't build tools or system
2593 if xkbcommon.found()
2594   # used for the update-keymaps target, so include rules even if !have_tools
2595   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
2596                            dependencies: [qemuutil, xkbcommon], install: have_tools)
2597 endif
2598
2599 if have_tools
2600   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
2601              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
2602   qemu_io = executable('qemu-io', files('qemu-io.c'),
2603              dependencies: [block, qemuutil], install: true)
2604   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
2605                dependencies: [blockdev, qemuutil, gnutls], install: true)
2606
2607   subdir('storage-daemon')
2608   subdir('contrib/rdmacm-mux')
2609   subdir('contrib/elf2dmp')
2610
2611   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
2612              dependencies: qemuutil,
2613              install: true)
2614
2615   if 'CONFIG_VHOST_USER' in config_host
2616     subdir('contrib/vhost-user-blk')
2617     subdir('contrib/vhost-user-gpu')
2618     subdir('contrib/vhost-user-input')
2619     subdir('contrib/vhost-user-scsi')
2620   endif
2621
2622   if targetos == 'linux'
2623     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
2624                dependencies: [qemuutil, libcap_ng],
2625                install: true,
2626                install_dir: get_option('libexecdir'))
2627
2628     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
2629                dependencies: [authz, crypto, io, qom, qemuutil,
2630                               libcap_ng, mpathpersist],
2631                install: true)
2632   endif
2633
2634   if have_ivshmem
2635     subdir('contrib/ivshmem-client')
2636     subdir('contrib/ivshmem-server')
2637   endif
2638 endif
2639
2640 subdir('scripts')
2641 subdir('tools')
2642 subdir('pc-bios')
2643 subdir('docs')
2644 subdir('tests')
2645 if gtk.found()
2646   subdir('po')
2647 endif
2648
2649 if host_machine.system() == 'windows'
2650   nsis_cmd = [
2651     find_program('scripts/nsis.py'),
2652     '@OUTPUT@',
2653     get_option('prefix'),
2654     meson.current_source_dir(),
2655     host_machine.cpu(),
2656     '--',
2657     '-DDISPLAYVERSION=' + meson.project_version(),
2658   ]
2659   if build_docs
2660     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
2661   endif
2662   if gtk.found()
2663     nsis_cmd += '-DCONFIG_GTK=y'
2664   endif
2665
2666   nsis = custom_target('nsis',
2667                        output: 'qemu-setup-' + meson.project_version() + '.exe',
2668                        input: files('qemu.nsi'),
2669                        build_always_stale: true,
2670                        command: nsis_cmd + ['@INPUT@'])
2671   alias_target('installer', nsis)
2672 endif
2673
2674 #########################
2675 # Configuration summary #
2676 #########################
2677
2678 # Directories
2679 summary_info = {}
2680 summary_info += {'Install prefix':    get_option('prefix')}
2681 summary_info += {'BIOS directory':    qemu_datadir}
2682 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
2683 summary_info += {'binary directory':  get_option('bindir')}
2684 summary_info += {'library directory': get_option('libdir')}
2685 summary_info += {'module directory':  qemu_moddir}
2686 summary_info += {'libexec directory': get_option('libexecdir')}
2687 summary_info += {'include directory': get_option('includedir')}
2688 summary_info += {'config directory':  get_option('sysconfdir')}
2689 if targetos != 'windows'
2690   summary_info += {'local state directory': get_option('localstatedir')}
2691   summary_info += {'Manual directory':      get_option('mandir')}
2692 else
2693   summary_info += {'local state directory': 'queried at runtime'}
2694 endif
2695 summary_info += {'Doc directory':     get_option('docdir')}
2696 summary_info += {'Build directory':   meson.current_build_dir()}
2697 summary_info += {'Source path':       meson.current_source_dir()}
2698 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2699 summary(summary_info, bool_yn: true, section: 'Directories')
2700
2701 # Host binaries
2702 summary_info = {}
2703 summary_info += {'git':               config_host['GIT']}
2704 summary_info += {'make':              config_host['MAKE']}
2705 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2706 summary_info += {'sphinx-build':      sphinx_build.found()}
2707 if config_host.has_key('HAVE_GDB_BIN')
2708   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2709 endif
2710 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2711 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
2712   summary_info += {'wixl':            wixl.found() ? wixl.full_path() : false}
2713 endif
2714 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
2715   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2716 endif
2717 summary(summary_info, bool_yn: true, section: 'Host binaries')
2718
2719 # Configurable features
2720 summary_info = {}
2721 summary_info += {'Documentation':     build_docs}
2722 summary_info += {'system-mode emulation': have_system}
2723 summary_info += {'user-mode emulation': have_user}
2724 summary_info += {'block layer':       have_block}
2725 summary_info += {'Install blobs':     get_option('install_blobs')}
2726 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2727 if config_host.has_key('CONFIG_MODULES')
2728   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2729 endif
2730 summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
2731 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2732 if have_system
2733   summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2734 endif
2735 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2736 if config_host['TRACE_BACKENDS'].split().contains('simple')
2737   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2738 endif
2739 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2740 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2741 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2742 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2743 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2744 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2745 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2746 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2747 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2748 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2749 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2750 summary(summary_info, bool_yn: true, section: 'Configurable features')
2751
2752 # Compilation information
2753 summary_info = {}
2754 summary_info += {'host CPU':          cpu}
2755 summary_info += {'host endianness':   build_machine.endian()}
2756 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
2757 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
2758 if link_language == 'cpp'
2759   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
2760 else
2761   summary_info += {'C++ compiler':      false}
2762 endif
2763 if targetos == 'darwin'
2764   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
2765 endif
2766 if targetos == 'windows'
2767   if 'WIN_SDK' in config_host
2768     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
2769   endif
2770 endif
2771 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2772                                                + ['-O' + get_option('optimization')]
2773                                                + (get_option('debug') ? ['-g'] : []))}
2774 if link_language == 'cpp'
2775   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2776                                                + ['-O' + get_option('optimization')]
2777                                                + (get_option('debug') ? ['-g'] : []))}
2778 endif
2779 link_args = get_option(link_language + '_link_args')
2780 if link_args.length() > 0
2781   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2782 endif
2783 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2784 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2785 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2786 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
2787 summary_info += {'PIE':               get_option('b_pie')}
2788 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2789 summary_info += {'malloc trim support': has_malloc_trim}
2790 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2791 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2792 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2793 summary_info += {'memory allocator':  get_option('malloc')}
2794 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2795 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2796 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2797 summary_info += {'gcov':              get_option('b_coverage')}
2798 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2799 summary_info += {'CFI support':       get_option('cfi')}
2800 if get_option('cfi')
2801   summary_info += {'CFI debug support': get_option('cfi_debug')}
2802 endif
2803 summary_info += {'strip binaries':    get_option('strip')}
2804 summary_info += {'sparse':            sparse.found() ? sparse.full_path() : false}
2805 summary_info += {'mingw32 support':   targetos == 'windows'}
2806
2807 # snarf the cross-compilation information for tests
2808 foreach target: target_dirs
2809   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
2810   if fs.exists(tcg_mak)
2811     config_cross_tcg = keyval.load(tcg_mak)
2812     target = config_cross_tcg['TARGET_NAME']
2813     compiler = ''
2814     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
2815       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
2816                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
2817     elif 'CROSS_CC_GUEST' in config_cross_tcg
2818       summary_info += {target + ' tests'
2819                                 : config_cross_tcg['CROSS_CC_GUEST'] }
2820     endif
2821    endif
2822 endforeach
2823
2824 summary(summary_info, bool_yn: true, section: 'Compilation')
2825
2826 # Targets and accelerators
2827 summary_info = {}
2828 if have_system
2829   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2830   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2831   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2832   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2833   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
2834   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2835   if config_host.has_key('CONFIG_XEN_BACKEND')
2836     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2837   endif
2838 endif
2839 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2840 if config_all.has_key('CONFIG_TCG')
2841   if get_option('tcg_interpreter')
2842     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
2843   else
2844     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
2845   endif
2846   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
2847 endif
2848 summary_info += {'target list':       ' '.join(target_dirs)}
2849 if have_system
2850   summary_info += {'default devices':   get_option('default_devices')}
2851   summary_info += {'out of process emulation': multiprocess_allowed}
2852 endif
2853 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
2854
2855 # Block layer
2856 summary_info = {}
2857 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
2858 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
2859 if have_block
2860   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
2861   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
2862   summary_info += {'VirtFS support':    have_virtfs}
2863   summary_info += {'build virtiofs daemon': have_virtiofsd}
2864   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
2865   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
2866   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
2867   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
2868   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
2869   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
2870   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
2871   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
2872   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
2873   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
2874   summary_info += {'FUSE exports':      fuse.found()}
2875 endif
2876 summary(summary_info, bool_yn: true, section: 'Block layer support')
2877
2878 # Crypto
2879 summary_info = {}
2880 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
2881 summary_info += {'GNUTLS support':    gnutls.found()}
2882 # TODO: add back version
2883 summary_info += {'libgcrypt':         gcrypt.found()}
2884 if gcrypt.found()
2885    summary_info += {'  XTS':             xts != 'private'}
2886 endif
2887 # TODO: add back version
2888 summary_info += {'nettle':            nettle.found()}
2889 if nettle.found()
2890    summary_info += {'  XTS':             xts != 'private'}
2891 endif
2892 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
2893 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
2894 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
2895 summary(summary_info, bool_yn: true, section: 'Crypto')
2896
2897 # Libraries
2898 summary_info = {}
2899 if targetos == 'darwin'
2900   summary_info += {'Cocoa support':   cocoa.found()}
2901 endif
2902 # TODO: add back version
2903 summary_info += {'SDL support':       sdl.found()}
2904 summary_info += {'SDL image support': sdl_image.found()}
2905 # TODO: add back version
2906 summary_info += {'GTK support':       gtk.found()}
2907 summary_info += {'pixman':            pixman.found()}
2908 # TODO: add back version
2909 summary_info += {'VTE support':       vte.found()}
2910 # TODO: add back version
2911 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
2912 summary_info += {'libtasn1':          tasn1.found()}
2913 summary_info += {'PAM':               pam.found()}
2914 summary_info += {'iconv support':     iconv.found()}
2915 summary_info += {'curses support':    curses.found()}
2916 # TODO: add back version
2917 summary_info += {'virgl support':     virgl.found()}
2918 summary_info += {'curl support':      curl.found()}
2919 summary_info += {'Multipath support': mpathpersist.found()}
2920 summary_info += {'VNC support':       vnc.found()}
2921 if vnc.found()
2922   summary_info += {'VNC SASL support':  sasl.found()}
2923   summary_info += {'VNC JPEG support':  jpeg.found()}
2924   summary_info += {'VNC PNG support':   png.found()}
2925 endif
2926 summary_info += {'brlapi support':    brlapi.found()}
2927 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
2928 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
2929 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
2930 summary_info += {'Linux io_uring support': linux_io_uring.found()}
2931 summary_info += {'ATTR/XATTR support': libattr.found()}
2932 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
2933 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
2934 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
2935 summary_info += {'libcap-ng support': libcap_ng.found()}
2936 summary_info += {'bpf support': libbpf.found()}
2937 # TODO: add back protocol and server version
2938 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
2939 summary_info += {'rbd support':       rbd.found()}
2940 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
2941 summary_info += {'smartcard support': cacard.found()}
2942 summary_info += {'U2F support':       u2f.found()}
2943 summary_info += {'libusb':            libusb.found()}
2944 summary_info += {'usb net redir':     usbredir.found()}
2945 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
2946 summary_info += {'GBM':               config_host.has_key('CONFIG_GBM')}
2947 summary_info += {'libiscsi support':  libiscsi.found()}
2948 summary_info += {'libnfs support':    libnfs.found()}
2949 if targetos == 'windows'
2950   if config_host.has_key('CONFIG_GUEST_AGENT')
2951     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
2952     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
2953   endif
2954 endif
2955 summary_info += {'seccomp support':   seccomp.found()}
2956 summary_info += {'GlusterFS support': glusterfs.found()}
2957 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
2958 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
2959 summary_info += {'lzo support':       lzo.found()}
2960 summary_info += {'snappy support':    snappy.found()}
2961 summary_info += {'bzip2 support':     libbzip2.found()}
2962 summary_info += {'lzfse support':     liblzfse.found()}
2963 summary_info += {'zstd support':      zstd.found()}
2964 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
2965 summary_info += {'libxml2':           libxml2.found()}
2966 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
2967 summary_info += {'libpmem support':   libpmem.found()}
2968 summary_info += {'libdaxctl support': libdaxctl.found()}
2969 summary_info += {'libudev':           libudev.found()}
2970 summary_info += {'FUSE lseek':        fuse_lseek.found()}
2971 summary(summary_info, bool_yn: true, section: 'Dependencies')
2972
2973 if not supported_cpus.contains(cpu)
2974   message()
2975   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
2976   message()
2977   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
2978   message('The QEMU project intends to remove support for this host CPU in')
2979   message('a future release if nobody volunteers to maintain it and to')
2980   message('provide a build host for our continuous integration setup.')
2981   message('configure has succeeded and you can continue to build, but')
2982   message('if you care about QEMU on this platform you should contact')
2983   message('us upstream at qemu-devel@nongnu.org.')
2984 endif
2985
2986 if not supported_oses.contains(targetos)
2987   message()
2988   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
2989   message()
2990   message('Host OS ' + targetos + 'support is not currently maintained.')
2991   message('The QEMU project intends to remove support for this host OS in')
2992   message('a future release if nobody volunteers to maintain it and to')
2993   message('provide a build host for our continuous integration setup.')
2994   message('configure has succeeded and you can continue to build, but')
2995   message('if you care about QEMU on this platform you should contact')
2996   message('us upstream at qemu-devel@nongnu.org.')
2997 endif