meson.build

   1 project('qemu', ['c'], meson_version: '>=0.58.2',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto',
   3                           'b_staticpic=false'],
   4         version: files('VERSION'))
   5
   6 not_found = dependency('', required: false)
   7 keyval = import('keyval')
   8 ss = import('sourceset')
   9 fs = import('fs')
  10
  11 sh = find_program('sh')
  12 cc = meson.get_compiler('c')
  13 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  14 enable_modules = 'CONFIG_MODULES' in config_host
  15 enable_static = 'CONFIG_STATIC' in config_host
  16
  17 # Allow both shared and static libraries unless --enable-static
  18 static_kwargs = enable_static ? {'static': true} : {}
  19
  20 # Temporary directory used for files created while
  21 # configure runs. Since it is in the build directory
  22 # we can safely blow away any previous version of it
  23 # (and we need not jump through hoops to try to delete
  24 # it when configure exits.)
  25 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  26
  27 if get_option('qemu_suffix').startswith('/')
  28   error('qemu_suffix cannot start with a /')
  29 endif
  30
  31 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  32 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  33 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  34 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  35
  36 qemu_desktopdir = get_option('datadir') / 'applications'
  37 qemu_icondir = get_option('datadir') / 'icons'
  38
  39 config_host_data = configuration_data()
  40 genh = []
  41
  42 target_dirs = config_host['TARGET_DIRS'].split()
  43 have_user = false
  44 have_system = false
  45 foreach target : target_dirs
  46   have_user = have_user or target.endswith('-user')
  47   have_system = have_system or target.endswith('-softmmu')
  48 endforeach
  49 have_tools = 'CONFIG_TOOLS' in config_host
  50 have_block = have_system or have_tools
  51
  52 python = import('python').find_installation()
  53
  54 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  55 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
  56   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  57
  58 cpu = host_machine.cpu_family()
  59 targetos = host_machine.system()
  60
  61 if cpu in ['x86', 'x86_64']
  62   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  63 elif cpu == 'aarch64'
  64   kvm_targets = ['aarch64-softmmu']
  65 elif cpu == 's390x'
  66   kvm_targets = ['s390x-softmmu']
  67 elif cpu in ['ppc', 'ppc64']
  68   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
  69 elif cpu in ['mips', 'mips64']
  70   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
  71 else
  72   kvm_targets = []
  73 endif
  74
  75 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
  76
  77 if cpu in ['aarch64']
  78   accelerator_targets += {
  79     'CONFIG_HVF': ['aarch64-softmmu']
  80   }
  81 endif
  82
  83 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
  84   # i386 emulator provides xenpv machine type for multiple architectures
  85   accelerator_targets += {
  86     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
  87   }
  88 endif
  89 if cpu in ['x86', 'x86_64']
  90   accelerator_targets += {
  91     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
  92     'CONFIG_HVF': ['x86_64-softmmu'],
  93     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
  94     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
  95   }
  96 endif
  97
  98 modular_tcg = []
  99 # Darwin does not support references to thread-local variables in modules
 100 if targetos != 'darwin'
 101   modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
 102 endif
 103
 104 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
 105 unpack_edk2_blobs = false
 106 foreach target : edk2_targets
 107   if target in target_dirs
 108     bzip2 = find_program('bzip2', required: get_option('install_blobs'))
 109     unpack_edk2_blobs = bzip2.found()
 110     break
 111   endif
 112 endforeach
 113
 114 ##################
 115 # Compiler flags #
 116 ##################
 117
 118 # Specify linker-script with add_project_link_arguments so that it is not placed
 119 # within a linker --start-group/--end-group pair
 120 if 'CONFIG_FUZZ' in config_host
 121    add_project_link_arguments(['-Wl,-T,',
 122                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 123                               native: false, language: ['c', 'cpp', 'objc'])
 124 endif
 125
 126 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
 127                      native: false, language: ['c', 'objc'])
 128 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
 129                      native: false, language: 'cpp')
 130 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 131                           native: false, language: ['c', 'cpp', 'objc'])
 132
 133 if targetos == 'linux'
 134   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 135                         '-isystem', 'linux-headers',
 136                         language: ['c', 'cpp'])
 137 endif
 138
 139 add_project_arguments('-iquote', '.',
 140                       '-iquote', meson.current_source_dir(),
 141                       '-iquote', meson.current_source_dir() / 'include',
 142                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 143                       language: ['c', 'cpp', 'objc'])
 144
 145 link_language = meson.get_external_property('link_language', 'cpp')
 146 if link_language == 'cpp'
 147   add_languages('cpp', required: true, native: false)
 148 endif
 149 if host_machine.system() == 'darwin'
 150   add_languages('objc', required: false, native: false)
 151 endif
 152
 153 sparse = find_program('cgcc', required: get_option('sparse'))
 154 if sparse.found()
 155   run_target('sparse',
 156              command: [find_program('scripts/check_sparse.py'),
 157                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 158                        '-Wno-transparent-union', '-Wno-old-initializer',
 159                        '-Wno-non-pointer-null'])
 160 endif
 161
 162 ###########################################
 163 # Target-specific checks and dependencies #
 164 ###########################################
 165
 166 if targetos != 'linux' and get_option('mpath').enabled()
 167   error('Multipath is supported only on Linux')
 168 endif
 169
 170 if targetos != 'linux' and get_option('multiprocess').enabled()
 171   error('Multiprocess QEMU is supported only on Linux')
 172 endif
 173 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 174
 175 libm = cc.find_library('m', required: false)
 176 threads = dependency('threads')
 177 util = cc.find_library('util', required: false)
 178 winmm = []
 179 socket = []
 180 version_res = []
 181 coref = []
 182 iokit = []
 183 emulator_link_args = []
 184 nvmm =not_found
 185 hvf = not_found
 186 if targetos == 'windows'
 187   socket = cc.find_library('ws2_32')
 188   winmm = cc.find_library('winmm')
 189
 190   win = import('windows')
 191   version_res = win.compile_resources('version.rc',
 192                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 193                                       include_directories: include_directories('.'))
 194 elif targetos == 'darwin'
 195   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 196   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 197 elif targetos == 'sunos'
 198   socket = [cc.find_library('socket'),
 199             cc.find_library('nsl'),
 200             cc.find_library('resolv')]
 201 elif targetos == 'haiku'
 202   socket = [cc.find_library('posix_error_mapper'),
 203             cc.find_library('network'),
 204             cc.find_library('bsd')]
 205 elif targetos == 'openbsd'
 206   if not get_option('tcg').disabled() and target_dirs.length() > 0
 207     # Disable OpenBSD W^X if available
 208     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 209   endif
 210 endif
 211
 212 accelerators = []
 213 if not get_option('kvm').disabled() and targetos == 'linux'
 214   accelerators += 'CONFIG_KVM'
 215 endif
 216 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
 217   accelerators += 'CONFIG_XEN'
 218   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
 219 else
 220   have_xen_pci_passthrough = false
 221 endif
 222 if not get_option('whpx').disabled() and targetos == 'windows'
 223   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 224     error('WHPX requires 64-bit host')
 225   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 226        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 227     accelerators += 'CONFIG_WHPX'
 228   endif
 229 endif
 230 if not get_option('hvf').disabled()
 231   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 232                    required: get_option('hvf'))
 233   if hvf.found()
 234     accelerators += 'CONFIG_HVF'
 235   endif
 236 endif
 237 if not get_option('hax').disabled()
 238   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 239     accelerators += 'CONFIG_HAX'
 240   endif
 241 endif
 242 if targetos == 'netbsd'
 243   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
 244     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 245   endif
 246   if nvmm.found()
 247     accelerators += 'CONFIG_NVMM'
 248   endif
 249 endif
 250
 251 tcg_arch = config_host['ARCH']
 252 if not get_option('tcg').disabled()
 253   if cpu not in supported_cpus
 254     if get_option('tcg_interpreter')
 255       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
 256     else
 257       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 258     endif
 259   elif get_option('tcg_interpreter')
 260     warning('Use of the TCG interpretor is not recommended on this host')
 261     warning('architecture. There is a native TCG execution backend available')
 262     warning('which provides substantially better performance and reliability.')
 263     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 264     warning('configuration option on this architecture to use the native')
 265     warning('backend.')
 266   endif
 267   if get_option('tcg_interpreter')
 268     tcg_arch = 'tci'
 269   elif config_host['ARCH'] == 'sparc64'
 270     tcg_arch = 'sparc'
 271   elif config_host['ARCH'] == 's390x'
 272     tcg_arch = 's390'
 273   elif config_host['ARCH'] in ['x86_64', 'x32']
 274     tcg_arch = 'i386'
 275   elif config_host['ARCH'] == 'ppc64'
 276     tcg_arch = 'ppc'
 277   elif config_host['ARCH'] in ['riscv32', 'riscv64']
 278     tcg_arch = 'riscv'
 279   endif
 280   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 281                         language: ['c', 'cpp', 'objc'])
 282
 283   accelerators += 'CONFIG_TCG'
 284   config_host += { 'CONFIG_TCG': 'y' }
 285 endif
 286
 287 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 288   error('KVM not available on this platform')
 289 endif
 290 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 291   error('HVF not available on this platform')
 292 endif
 293 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 294   error('NVMM not available on this platform')
 295 endif
 296 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 297   error('WHPX not available on this platform')
 298 endif
 299 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
 300   if 'CONFIG_XEN' in accelerators
 301     error('Xen PCI passthrough not available on this platform')
 302   else
 303     error('Xen PCI passthrough requested but Xen not enabled')
 304   endif
 305 endif
 306
 307 ################
 308 # Dependencies #
 309 ################
 310
 311 # The path to glib.h is added to all compilation commands.  This was
 312 # grandfathered in from the QEMU Makefiles.
 313 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 314                       native: false, language: ['c', 'cpp', 'objc'])
 315 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 316                           link_args: config_host['GLIB_LIBS'].split())
 317 # override glib dep with the configure results (for subprojects)
 318 meson.override_dependency('glib-2.0', glib)
 319
 320 gio = not_found
 321 if 'CONFIG_GIO' in config_host
 322   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
 323                            link_args: config_host['GIO_LIBS'].split())
 324 endif
 325 lttng = not_found
 326 if 'CONFIG_TRACE_UST' in config_host
 327   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
 328 endif
 329 pixman = not_found
 330 if have_system or have_tools
 331   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 332                       method: 'pkg-config', kwargs: static_kwargs)
 333 endif
 334 libaio = cc.find_library('aio', required: false)
 335 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 336
 337 linux_io_uring = not_found
 338 if not get_option('linux_io_uring').auto() or have_block
 339   linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'),
 340                               method: 'pkg-config', kwargs: static_kwargs)
 341 endif
 342 libxml2 = not_found
 343 if not get_option('libxml2').auto() or have_block
 344   libxml2 = dependency('libxml-2.0', required: get_option('libxml2'),
 345                        method: 'pkg-config', kwargs: static_kwargs)
 346 endif
 347 libnfs = not_found
 348 if not get_option('libnfs').auto() or have_block
 349   libnfs = dependency('libnfs', version: '>=1.9.3',
 350                       required: get_option('libnfs'),
 351                       method: 'pkg-config', kwargs: static_kwargs)
 352 endif
 353
 354 libattr_test = '''
 355   #include <stddef.h>
 356   #include <sys/types.h>
 357   #ifdef CONFIG_LIBATTR
 358   #include <attr/xattr.h>
 359   #else
 360   #include <sys/xattr.h>
 361   #endif
 362   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 363
 364 libattr = not_found
 365 have_old_libattr = false
 366 if not get_option('attr').disabled()
 367   if cc.links(libattr_test)
 368     libattr = declare_dependency()
 369   else
 370     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 371                               required: get_option('attr'),
 372                               kwargs: static_kwargs)
 373     if libattr.found() and not \
 374       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 375       libattr = not_found
 376       if get_option('attr').enabled()
 377         error('could not link libattr')
 378       else
 379         warning('could not link libattr, disabling')
 380       endif
 381     else
 382       have_old_libattr = libattr.found()
 383     endif
 384   endif
 385 endif
 386
 387 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 388 if cocoa.found() and get_option('sdl').enabled()
 389   error('Cocoa and SDL cannot be enabled at the same time')
 390 endif
 391 if cocoa.found() and get_option('gtk').enabled()
 392   error('Cocoa and GTK+ cannot be enabled at the same time')
 393 endif
 394
 395 seccomp = not_found
 396 if not get_option('seccomp').auto() or have_system or have_tools
 397   seccomp = dependency('libseccomp', version: '>=2.3.0',
 398                        required: get_option('seccomp'),
 399                        method: 'pkg-config', kwargs: static_kwargs)
 400 endif
 401
 402 libcap_ng = not_found
 403 if not get_option('cap_ng').auto() or have_system or have_tools
 404   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 405                               required: get_option('cap_ng'),
 406                               kwargs: static_kwargs)
 407 endif
 408 if libcap_ng.found() and not cc.links('''
 409    #include <cap-ng.h>
 410    int main(void)
 411    {
 412      capng_capability_to_name(CAPNG_EFFECTIVE);
 413      return 0;
 414    }''', dependencies: libcap_ng)
 415   libcap_ng = not_found
 416   if get_option('cap_ng').enabled()
 417     error('could not link libcap-ng')
 418   else
 419     warning('could not link libcap-ng, disabling')
 420   endif
 421 endif
 422
 423 if get_option('xkbcommon').auto() and not have_system and not have_tools
 424   xkbcommon = not_found
 425 else
 426   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 427                          method: 'pkg-config', kwargs: static_kwargs)
 428 endif
 429 vde = not_found
 430 if config_host.has_key('CONFIG_VDE')
 431   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
 432 endif
 433 pulse = not_found
 434 if 'CONFIG_LIBPULSE' in config_host
 435   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
 436                              link_args: config_host['PULSE_LIBS'].split())
 437 endif
 438 alsa = not_found
 439 if 'CONFIG_ALSA' in config_host
 440   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
 441                             link_args: config_host['ALSA_LIBS'].split())
 442 endif
 443 jack = not_found
 444 if 'CONFIG_LIBJACK' in config_host
 445   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
 446 endif
 447 spice = not_found
 448 spice_headers = not_found
 449 spice_protocol = not_found
 450 if 'CONFIG_SPICE' in config_host
 451   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
 452                              link_args: config_host['SPICE_LIBS'].split())
 453   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
 454 endif
 455 if 'CONFIG_SPICE_PROTOCOL' in config_host
 456   spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split())
 457 endif
 458 rt = cc.find_library('rt', required: false)
 459 libdl = not_found
 460 if 'CONFIG_PLUGIN' in config_host
 461   libdl = cc.find_library('dl', required: false)
 462   if not cc.has_function('dlopen', dependencies: libdl)
 463     error('dlopen not found')
 464   endif
 465 endif
 466 libiscsi = not_found
 467 if not get_option('libiscsi').auto() or have_block
 468   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 469                          required: get_option('libiscsi'),
 470                          method: 'pkg-config', kwargs: static_kwargs)
 471 endif
 472 zstd = not_found
 473 if not get_option('zstd').auto() or have_block
 474   zstd = dependency('libzstd', version: '>=1.4.0',
 475                     required: get_option('zstd'),
 476                     method: 'pkg-config', kwargs: static_kwargs)
 477 endif
 478 virgl = not_found
 479 if not get_option('virglrenderer').auto() or have_system
 480   virgl = dependency('virglrenderer',
 481                      method: 'pkg-config',
 482                      required: get_option('virglrenderer'),
 483                      kwargs: static_kwargs)
 484 endif
 485 curl = not_found
 486 if not get_option('curl').auto() or have_block
 487   curl = dependency('libcurl', version: '>=7.29.0',
 488                     method: 'pkg-config',
 489                     required: get_option('curl'),
 490                     kwargs: static_kwargs)
 491 endif
 492 libudev = not_found
 493 if targetos == 'linux' and (have_system or have_tools)
 494   libudev = dependency('libudev',
 495                        method: 'pkg-config',
 496                        required: get_option('libudev'),
 497                        kwargs: static_kwargs)
 498 endif
 499
 500 mpathlibs = [libudev]
 501 mpathpersist = not_found
 502 mpathpersist_new_api = false
 503 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
 504   mpath_test_source_new = '''
 505     #include <libudev.h>
 506     #include <mpath_persist.h>
 507     unsigned mpath_mx_alloc_len = 1024;
 508     int logsink;
 509     static struct config *multipath_conf;
 510     extern struct udev *udev;
 511     extern struct config *get_multipath_config(void);
 512     extern void put_multipath_config(struct config *conf);
 513     struct udev *udev;
 514     struct config *get_multipath_config(void) { return multipath_conf; }
 515     void put_multipath_config(struct config *conf) { }
 516     int main(void) {
 517         udev = udev_new();
 518         multipath_conf = mpath_lib_init();
 519         return 0;
 520     }'''
 521   mpath_test_source_old = '''
 522       #include <libudev.h>
 523       #include <mpath_persist.h>
 524       unsigned mpath_mx_alloc_len = 1024;
 525       int logsink;
 526       int main(void) {
 527           struct udev *udev = udev_new();
 528           mpath_lib_init(udev);
 529           return 0;
 530       }'''
 531   libmpathpersist = cc.find_library('mpathpersist',
 532                                     required: get_option('mpath'),
 533                                     kwargs: static_kwargs)
 534   if libmpathpersist.found()
 535     mpathlibs += libmpathpersist
 536     if enable_static
 537       mpathlibs += cc.find_library('devmapper',
 538                                      required: get_option('mpath'),
 539                                      kwargs: static_kwargs)
 540     endif
 541     mpathlibs += cc.find_library('multipath',
 542                                  required: get_option('mpath'),
 543                                  kwargs: static_kwargs)
 544     foreach lib: mpathlibs
 545       if not lib.found()
 546         mpathlibs = []
 547         break
 548       endif
 549     endforeach
 550     if mpathlibs.length() == 0
 551       msg = 'Dependencies missing for libmpathpersist'
 552     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 553       mpathpersist = declare_dependency(dependencies: mpathlibs)
 554       mpathpersist_new_api = true
 555     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 556       mpathpersist = declare_dependency(dependencies: mpathlibs)
 557     else
 558       msg = 'Cannot detect libmpathpersist API'
 559     endif
 560     if not mpathpersist.found()
 561       if get_option('mpath').enabled()
 562         error(msg)
 563       else
 564         warning(msg + ', disabling')
 565       endif
 566     endif
 567   endif
 568 endif
 569
 570 iconv = not_found
 571 curses = not_found
 572 if have_system and not get_option('curses').disabled()
 573   curses_test = '''
 574     #include <locale.h>
 575     #include <curses.h>
 576     #include <wchar.h>
 577     int main(void) {
 578       wchar_t wch = L'w';
 579       setlocale(LC_ALL, "");
 580       resize_term(0, 0);
 581       addwstr(L"wide chars\n");
 582       addnwstr(&wch, 1);
 583       add_wch(WACS_DEGREE);
 584       return 0;
 585     }'''
 586
 587   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 588   foreach curses_dep : curses_dep_list
 589     if not curses.found()
 590       curses = dependency(curses_dep,
 591                           required: false,
 592                           method: 'pkg-config',
 593                           kwargs: static_kwargs)
 594     endif
 595   endforeach
 596   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 597   curses_compile_args = ['-DNCURSES_WIDECHAR']
 598   if curses.found()
 599     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 600       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 601     else
 602       msg = 'curses package not usable'
 603       curses = not_found
 604     endif
 605   endif
 606   if not curses.found()
 607     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 608     if targetos != 'windows' and not has_curses_h
 609       message('Trying with /usr/include/ncursesw')
 610       curses_compile_args += ['-I/usr/include/ncursesw']
 611       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 612     endif
 613     if has_curses_h
 614       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 615       foreach curses_libname : curses_libname_list
 616         libcurses = cc.find_library(curses_libname,
 617                                     required: false,
 618                                     kwargs: static_kwargs)
 619         if libcurses.found()
 620           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 621             curses = declare_dependency(compile_args: curses_compile_args,
 622                                         dependencies: [libcurses])
 623             break
 624           else
 625             msg = 'curses library not usable'
 626           endif
 627         endif
 628       endforeach
 629     endif
 630   endif
 631   if not get_option('iconv').disabled()
 632     foreach link_args : [ ['-liconv'], [] ]
 633       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 634       # We need to use libiconv if available because mixing libiconv's headers with
 635       # the system libc does not work.
 636       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 637       # included in the command line and libiconv will not be found.
 638       if cc.links('''
 639         #include <iconv.h>
 640         int main(void) {
 641           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 642           return conv != (iconv_t) -1;
 643         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 644         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 645         break
 646       endif
 647     endforeach
 648   endif
 649   if curses.found() and not iconv.found()
 650     if get_option('iconv').enabled()
 651       error('iconv not available')
 652     endif
 653     msg = 'iconv required for curses UI but not available'
 654     curses = not_found
 655   endif
 656   if not curses.found() and msg != ''
 657     if get_option('curses').enabled()
 658       error(msg)
 659     else
 660       warning(msg + ', disabling')
 661     endif
 662   endif
 663 endif
 664
 665 brlapi = not_found
 666 if not get_option('brlapi').auto() or have_system
 667   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 668                          required: get_option('brlapi'),
 669                          kwargs: static_kwargs)
 670   if brlapi.found() and not cc.links('''
 671      #include <brlapi.h>
 672      #include <stddef.h>
 673      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 674     brlapi = not_found
 675     if get_option('brlapi').enabled()
 676       error('could not link brlapi')
 677     else
 678       warning('could not link brlapi, disabling')
 679     endif
 680   endif
 681 endif
 682
 683 sdl = not_found
 684 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 685   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 686   sdl_image = not_found
 687 endif
 688 if sdl.found()
 689   # work around 2.0.8 bug
 690   sdl = declare_dependency(compile_args: '-Wno-undef',
 691                            dependencies: sdl)
 692   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 693                          method: 'pkg-config', kwargs: static_kwargs)
 694 else
 695   if get_option('sdl_image').enabled()
 696     error('sdl-image required, but SDL was @0@'.format(
 697           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 698   endif
 699   sdl_image = not_found
 700 endif
 701
 702 rbd = not_found
 703 if not get_option('rbd').auto() or have_block
 704   librados = cc.find_library('rados', required: get_option('rbd'),
 705                              kwargs: static_kwargs)
 706   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 707                            required: get_option('rbd'),
 708                            kwargs: static_kwargs)
 709   if librados.found() and librbd.found()
 710     if cc.links('''
 711       #include <stdio.h>
 712       #include <rbd/librbd.h>
 713       int main(void) {
 714         rados_t cluster;
 715         rados_create(&cluster, NULL);
 716         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 717         #error
 718         #endif
 719         return 0;
 720       }''', dependencies: [librbd, librados])
 721       rbd = declare_dependency(dependencies: [librbd, librados])
 722     elif get_option('rbd').enabled()
 723       error('librbd >= 1.12.0 required')
 724     else
 725       warning('librbd >= 1.12.0 not found, disabling')
 726     endif
 727   endif
 728 endif
 729
 730 glusterfs = not_found
 731 glusterfs_ftruncate_has_stat = false
 732 glusterfs_iocb_has_stat = false
 733 if not get_option('glusterfs').auto() or have_block
 734   glusterfs = dependency('glusterfs-api', version: '>=3',
 735                          required: get_option('glusterfs'),
 736                          method: 'pkg-config', kwargs: static_kwargs)
 737   if glusterfs.found()
 738     glusterfs_ftruncate_has_stat = cc.links('''
 739       #include <glusterfs/api/glfs.h>
 740
 741       int
 742       main(void)
 743       {
 744           /* new glfs_ftruncate() passes two additional args */
 745           return glfs_ftruncate(NULL, 0, NULL, NULL);
 746       }
 747     ''', dependencies: glusterfs)
 748     glusterfs_iocb_has_stat = cc.links('''
 749       #include <glusterfs/api/glfs.h>
 750
 751       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 752       static void
 753       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 754       {}
 755
 756       int
 757       main(void)
 758       {
 759           glfs_io_cbk iocb = &glusterfs_iocb;
 760           iocb(NULL, 0 , NULL, NULL, NULL);
 761           return 0;
 762       }
 763     ''', dependencies: glusterfs)
 764   endif
 765 endif
 766 libssh = not_found
 767 if 'CONFIG_LIBSSH' in config_host
 768   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
 769                               link_args: config_host['LIBSSH_LIBS'].split())
 770 endif
 771 libbzip2 = not_found
 772 if not get_option('bzip2').auto() or have_block
 773   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
 774                              required: get_option('bzip2'),
 775                              kwargs: static_kwargs)
 776   if libbzip2.found() and not cc.links('''
 777      #include <bzlib.h>
 778      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
 779     libbzip2 = not_found
 780     if get_option('bzip2').enabled()
 781       error('could not link libbzip2')
 782     else
 783       warning('could not link libbzip2, disabling')
 784     endif
 785   endif
 786 endif
 787
 788 liblzfse = not_found
 789 if not get_option('lzfse').auto() or have_block
 790   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
 791                              required: get_option('lzfse'),
 792                              kwargs: static_kwargs)
 793 endif
 794 if liblzfse.found() and not cc.links('''
 795    #include <lzfse.h>
 796    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
 797   liblzfse = not_found
 798   if get_option('lzfse').enabled()
 799     error('could not link liblzfse')
 800   else
 801     warning('could not link liblzfse, disabling')
 802   endif
 803 endif
 804
 805 oss = not_found
 806 if 'CONFIG_AUDIO_OSS' in config_host
 807   oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
 808 endif
 809 dsound = not_found
 810 if 'CONFIG_AUDIO_DSOUND' in config_host
 811   dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
 812 endif
 813 coreaudio = not_found
 814 if 'CONFIG_AUDIO_COREAUDIO' in config_host
 815   coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
 816 endif
 817
 818 opengl = not_found
 819 if 'CONFIG_OPENGL' in config_host
 820   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
 821                               link_args: config_host['OPENGL_LIBS'].split())
 822 endif
 823 gbm = not_found
 824 if (have_system or have_tools) and (virgl.found() or opengl.found())
 825   gbm = dependency('gbm', method: 'pkg-config', required: false,
 826                    kwargs: static_kwargs)
 827 endif
 828
 829 gnutls = not_found
 830 gnutls_crypto = not_found
 831 if get_option('gnutls').enabled() or (get_option('gnutls').auto() and have_system)
 832   # For general TLS support our min gnutls matches
 833   # that implied by our platform support matrix
 834   #
 835   # For the crypto backends, we look for a newer
 836   # gnutls:
 837   #
 838   #   Version 3.6.8  is needed to get XTS
 839   #   Version 3.6.13 is needed to get PBKDF
 840   #   Version 3.6.14 is needed to get HW accelerated XTS
 841   #
 842   # If newer enough gnutls isn't available, we can
 843   # still use a different crypto backend to satisfy
 844   # the platform support requirements
 845   gnutls_crypto = dependency('gnutls', version: '>=3.6.14',
 846                              method: 'pkg-config',
 847                              required: false,
 848                              kwargs: static_kwargs)
 849   if gnutls_crypto.found()
 850     gnutls = gnutls_crypto
 851   else
 852     # Our min version if all we need is TLS
 853     gnutls = dependency('gnutls', version: '>=3.5.18',
 854                         method: 'pkg-config',
 855                         required: get_option('gnutls'),
 856                         kwargs: static_kwargs)
 857   endif
 858 endif
 859
 860 # We prefer use of gnutls for crypto, unless the options
 861 # explicitly asked for nettle or gcrypt.
 862 #
 863 # If gnutls isn't available for crypto, then we'll prefer
 864 # gcrypt over nettle for performance reasons.
 865 gcrypt = not_found
 866 nettle = not_found
 867 xts = 'none'
 868
 869 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
 870   error('Only one of gcrypt & nettle can be enabled')
 871 endif
 872
 873 # Explicit nettle/gcrypt request, so ignore gnutls for crypto
 874 if get_option('nettle').enabled() or get_option('gcrypt').enabled()
 875   gnutls_crypto = not_found
 876 endif
 877
 878 if not gnutls_crypto.found()
 879   if (not get_option('gcrypt').auto() or have_system) and not get_option('nettle').enabled()
 880     gcrypt = dependency('libgcrypt', version: '>=1.8',
 881                         method: 'config-tool',
 882                         required: get_option('gcrypt'),
 883                         kwargs: static_kwargs)
 884     # Debian has removed -lgpg-error from libgcrypt-config
 885     # as it "spreads unnecessary dependencies" which in
 886     # turn breaks static builds...
 887     if gcrypt.found() and enable_static
 888       gcrypt = declare_dependency(dependencies: [
 889         gcrypt,
 890         cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
 891     endif
 892   endif
 893   if (not get_option('nettle').auto() or have_system) and not gcrypt.found()
 894     nettle = dependency('nettle', version: '>=3.4',
 895                         method: 'pkg-config',
 896                         required: get_option('nettle'),
 897                         kwargs: static_kwargs)
 898     if nettle.found() and not cc.has_header('nettle/xts.h', dependencies: nettle)
 899       xts = 'private'
 900     endif
 901   endif
 902 endif
 903
 904 gtk = not_found
 905 gtkx11 = not_found
 906 vte = not_found
 907 if not get_option('gtk').auto() or (have_system and not cocoa.found())
 908   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
 909                    method: 'pkg-config',
 910                    required: get_option('gtk'),
 911                    kwargs: static_kwargs)
 912   if gtk.found()
 913     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
 914                         method: 'pkg-config',
 915                         required: false,
 916                         kwargs: static_kwargs)
 917     gtk = declare_dependency(dependencies: [gtk, gtkx11])
 918
 919     if not get_option('vte').auto() or have_system
 920       vte = dependency('vte-2.91',
 921                        method: 'pkg-config',
 922                        required: get_option('vte'),
 923                        kwargs: static_kwargs)
 924     endif
 925   endif
 926 endif
 927
 928 x11 = not_found
 929 if gtkx11.found()
 930   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
 931                    kwargs: static_kwargs)
 932 endif
 933 vnc = not_found
 934 png = not_found
 935 jpeg = not_found
 936 sasl = not_found
 937 if have_system and not get_option('vnc').disabled()
 938   vnc = declare_dependency() # dummy dependency
 939   png = dependency('libpng', required: get_option('vnc_png'),
 940                    method: 'pkg-config', kwargs: static_kwargs)
 941   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
 942                     method: 'pkg-config', kwargs: static_kwargs)
 943   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
 944                          required: get_option('vnc_sasl'),
 945                          kwargs: static_kwargs)
 946   if sasl.found()
 947     sasl = declare_dependency(dependencies: sasl,
 948                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
 949   endif
 950 endif
 951
 952 pam = not_found
 953 if not get_option('auth_pam').auto() or have_system
 954   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
 955                         required: get_option('auth_pam'),
 956                         kwargs: static_kwargs)
 957 endif
 958 if pam.found() and not cc.links('''
 959    #include <stddef.h>
 960    #include <security/pam_appl.h>
 961    int main(void) {
 962      const char *service_name = "qemu";
 963      const char *user = "frank";
 964      const struct pam_conv pam_conv = { 0 };
 965      pam_handle_t *pamh = NULL;
 966      pam_start(service_name, user, &pam_conv, &pamh);
 967      return 0;
 968    }''', dependencies: pam)
 969   pam = not_found
 970   if get_option('auth_pam').enabled()
 971     error('could not link libpam')
 972   else
 973     warning('could not link libpam, disabling')
 974   endif
 975 endif
 976
 977 snappy = not_found
 978 if not get_option('snappy').auto() or have_system
 979   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
 980                            required: get_option('snappy'),
 981                            kwargs: static_kwargs)
 982 endif
 983 if snappy.found() and not cc.links('''
 984    #include <snappy-c.h>
 985    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
 986   snappy = not_found
 987   if get_option('snappy').enabled()
 988     error('could not link libsnappy')
 989   else
 990     warning('could not link libsnappy, disabling')
 991   endif
 992 endif
 993
 994 lzo = not_found
 995 if not get_option('lzo').auto() or have_system
 996   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
 997                         required: get_option('lzo'),
 998                         kwargs: static_kwargs)
 999 endif
1000 if lzo.found() and not cc.links('''
1001    #include <lzo/lzo1x.h>
1002    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
1003   lzo = not_found
1004   if get_option('lzo').enabled()
1005     error('could not link liblzo2')
1006   else
1007     warning('could not link liblzo2, disabling')
1008   endif
1009 endif
1010
1011 rdma = not_found
1012 if 'CONFIG_RDMA' in config_host
1013   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
1014 endif
1015 numa = not_found
1016 if 'CONFIG_NUMA' in config_host
1017   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
1018 endif
1019 xen = not_found
1020 if 'CONFIG_XEN_BACKEND' in config_host
1021   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
1022                            link_args: config_host['XEN_LIBS'].split())
1023 endif
1024 cacard = not_found
1025 if not get_option('smartcard').auto() or have_system
1026   cacard = dependency('libcacard', required: get_option('smartcard'),
1027                       version: '>=2.5.1', method: 'pkg-config',
1028                       kwargs: static_kwargs)
1029 endif
1030 u2f = not_found
1031 if have_system
1032   u2f = dependency('u2f-emu', required: get_option('u2f'),
1033                    method: 'pkg-config',
1034                    kwargs: static_kwargs)
1035 endif
1036 usbredir = not_found
1037 if not get_option('usb_redir').auto() or have_system
1038   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1039                         version: '>=0.6', method: 'pkg-config',
1040                         kwargs: static_kwargs)
1041 endif
1042 libusb = not_found
1043 if not get_option('libusb').auto() or have_system
1044   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1045                       version: '>=1.0.13', method: 'pkg-config',
1046                       kwargs: static_kwargs)
1047 endif
1048
1049 libpmem = not_found
1050 if not get_option('libpmem').auto() or have_system
1051   libpmem = dependency('libpmem', required: get_option('libpmem'),
1052                        method: 'pkg-config', kwargs: static_kwargs)
1053 endif
1054 libdaxctl = not_found
1055 if not get_option('libdaxctl').auto() or have_system
1056   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1057                          version: '>=57', method: 'pkg-config',
1058                          kwargs: static_kwargs)
1059 endif
1060 tasn1 = not_found
1061 if gnutls.found()
1062   tasn1 = dependency('libtasn1',
1063                      method: 'pkg-config',
1064                      kwargs: static_kwargs)
1065 endif
1066 keyutils = dependency('libkeyutils', required: false,
1067                       method: 'pkg-config', kwargs: static_kwargs)
1068
1069 has_gettid = cc.has_function('gettid')
1070
1071 # Malloc tests
1072
1073 malloc = []
1074 if get_option('malloc') == 'system'
1075   has_malloc_trim = \
1076     not get_option('malloc_trim').disabled() and \
1077     cc.links('''#include <malloc.h>
1078                 int main(void) { malloc_trim(0); return 0; }''')
1079 else
1080   has_malloc_trim = false
1081   malloc = cc.find_library(get_option('malloc'), required: true)
1082 endif
1083 if not has_malloc_trim and get_option('malloc_trim').enabled()
1084   if get_option('malloc') == 'system'
1085     error('malloc_trim not available on this platform.')
1086   else
1087     error('malloc_trim not available with non-libc memory allocator')
1088   endif
1089 endif
1090
1091 # Check whether the glibc provides statx()
1092
1093 gnu_source_prefix = '''
1094   #ifndef _GNU_SOURCE
1095   #define _GNU_SOURCE
1096   #endif
1097 '''
1098 statx_test = gnu_source_prefix + '''
1099   #include <sys/stat.h>
1100   int main(void) {
1101     struct statx statxbuf;
1102     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1103     return 0;
1104   }'''
1105
1106 has_statx = cc.links(statx_test)
1107
1108 have_vhost_user_blk_server = (targetos == 'linux' and
1109     'CONFIG_VHOST_USER' in config_host)
1110
1111 if get_option('vhost_user_blk_server').enabled()
1112     if targetos != 'linux'
1113         error('vhost_user_blk_server requires linux')
1114     elif 'CONFIG_VHOST_USER' not in config_host
1115         error('vhost_user_blk_server requires vhost-user support')
1116     endif
1117 elif get_option('vhost_user_blk_server').disabled() or not have_system
1118     have_vhost_user_blk_server = false
1119 endif
1120
1121
1122 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1123   error('Cannot enable fuse-lseek while fuse is disabled')
1124 endif
1125
1126 fuse = dependency('fuse3', required: get_option('fuse'),
1127                   version: '>=3.1', method: 'pkg-config',
1128                   kwargs: static_kwargs)
1129
1130 fuse_lseek = not_found
1131 if not get_option('fuse_lseek').disabled()
1132   if fuse.version().version_compare('>=3.8')
1133     # Dummy dependency
1134     fuse_lseek = declare_dependency()
1135   elif get_option('fuse_lseek').enabled()
1136     if fuse.found()
1137       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1138     else
1139       error('fuse-lseek requires libfuse, which was not found')
1140     endif
1141   endif
1142 endif
1143
1144 # libbpf
1145 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1146 if libbpf.found() and not cc.links('''
1147    #include <bpf/libbpf.h>
1148    int main(void)
1149    {
1150      bpf_object__destroy_skeleton(NULL);
1151      return 0;
1152    }''', dependencies: libbpf)
1153   libbpf = not_found
1154   if get_option('bpf').enabled()
1155     error('libbpf skeleton test failed')
1156   else
1157     warning('libbpf skeleton test failed, disabling')
1158   endif
1159 endif
1160
1161 if get_option('cfi')
1162   cfi_flags=[]
1163   # Check for dependency on LTO
1164   if not get_option('b_lto')
1165     error('Selected Control-Flow Integrity but LTO is disabled')
1166   endif
1167   if config_host.has_key('CONFIG_MODULES')
1168     error('Selected Control-Flow Integrity is not compatible with modules')
1169   endif
1170   # Check for cfi flags. CFI requires LTO so we can't use
1171   # get_supported_arguments, but need a more complex "compiles" which allows
1172   # custom arguments
1173   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1174                  args: ['-flto', '-fsanitize=cfi-icall'] )
1175     cfi_flags += '-fsanitize=cfi-icall'
1176   else
1177     error('-fsanitize=cfi-icall is not supported by the compiler')
1178   endif
1179   if cc.compiles('int main () { return 0; }',
1180                  name: '-fsanitize-cfi-icall-generalize-pointers',
1181                  args: ['-flto', '-fsanitize=cfi-icall',
1182                         '-fsanitize-cfi-icall-generalize-pointers'] )
1183     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1184   else
1185     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1186   endif
1187   if get_option('cfi_debug')
1188     if cc.compiles('int main () { return 0; }',
1189                    name: '-fno-sanitize-trap=cfi-icall',
1190                    args: ['-flto', '-fsanitize=cfi-icall',
1191                           '-fno-sanitize-trap=cfi-icall'] )
1192       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1193     else
1194       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1195     endif
1196   endif
1197   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1198   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1199 endif
1200
1201 have_host_block_device = (targetos != 'darwin' or
1202     cc.has_header('IOKit/storage/IOMedia.h'))
1203
1204 #################
1205 # config-host.h #
1206 #################
1207
1208 have_virtfs = (targetos == 'linux' and
1209     have_system and
1210     libattr.found() and
1211     libcap_ng.found())
1212
1213 have_virtfs_proxy_helper = have_virtfs and have_tools
1214
1215 if get_option('virtfs').enabled()
1216   if not have_virtfs
1217     if targetos != 'linux'
1218       error('virtio-9p (virtfs) requires Linux')
1219     elif not libcap_ng.found() or not libattr.found()
1220       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1221     elif not have_system
1222       error('virtio-9p (virtfs) needs system emulation support')
1223     endif
1224   endif
1225 elif get_option('virtfs').disabled()
1226   have_virtfs = false
1227 endif
1228
1229 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1230 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1231 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1232 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1233 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1234 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1235 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1236 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1237 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1238 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1239 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1240 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1241
1242 config_host_data.set('CONFIG_ATTR', libattr.found())
1243 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1244 config_host_data.set('CONFIG_COCOA', cocoa.found())
1245 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1246 config_host_data.set('CONFIG_LZO', lzo.found())
1247 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1248 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1249 config_host_data.set('CONFIG_CURL', curl.found())
1250 config_host_data.set('CONFIG_CURSES', curses.found())
1251 config_host_data.set('CONFIG_GBM', gbm.found())
1252 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1253 if glusterfs.found()
1254   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1255   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1256   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1257   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1258   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1259   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1260 endif
1261 config_host_data.set('CONFIG_GTK', gtk.found())
1262 config_host_data.set('CONFIG_VTE', vte.found())
1263 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1264 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1265 config_host_data.set('CONFIG_EBPF', libbpf.found())
1266 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1267 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1268 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1269 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1270 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1271 config_host_data.set('CONFIG_RBD', rbd.found())
1272 config_host_data.set('CONFIG_SDL', sdl.found())
1273 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1274 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1275 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1276 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1277 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1278 config_host_data.set('CONFIG_VNC', vnc.found())
1279 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1280 config_host_data.set('CONFIG_VNC_PNG', png.found())
1281 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1282 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1283 config_host_data.set('CONFIG_VTE', vte.found())
1284 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1285 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1286 config_host_data.set('CONFIG_GETTID', has_gettid)
1287 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1288 config_host_data.set('CONFIG_GNUTLS_CRYPTO', gnutls_crypto.found())
1289 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1290 config_host_data.set('CONFIG_NETTLE', nettle.found())
1291 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1292 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1293 config_host_data.set('CONFIG_STATX', has_statx)
1294 config_host_data.set('CONFIG_ZSTD', zstd.found())
1295 config_host_data.set('CONFIG_FUSE', fuse.found())
1296 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1297 config_host_data.set('CONFIG_X11', x11.found())
1298 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1299 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1300 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1301 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1302 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1303
1304 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1305
1306 # has_header
1307 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1308 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1309 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1310 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1311 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1312 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1313 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1314 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1315 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1316
1317 # has_function
1318 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1319 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1320 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1321 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1322 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1323 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
1324 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1325 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1326 config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1327 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1328 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1329 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1330 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1331 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1332 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1333 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1334 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1335 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1336
1337 # has_header_symbol
1338 config_host_data.set('CONFIG_BYTESWAP_H',
1339                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1340 config_host_data.set('CONFIG_EPOLL_CREATE1',
1341                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1342 config_host_data.set('CONFIG_HAS_ENVIRON',
1343                      cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1344 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1345                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1346                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1347 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1348                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1349 config_host_data.set('CONFIG_FIEMAP',
1350                      cc.has_header('linux/fiemap.h') and
1351                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1352 config_host_data.set('CONFIG_GETRANDOM',
1353                      cc.has_function('getrandom') and
1354                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1355 config_host_data.set('CONFIG_INOTIFY',
1356                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1357 config_host_data.set('CONFIG_INOTIFY1',
1358                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1359 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1360                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1361                                           prefix: '''#include <sys/endian.h>
1362                                                      #include <sys/types.h>'''))
1363 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1364                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1365 config_host_data.set('CONFIG_RTNETLINK',
1366                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1367 config_host_data.set('CONFIG_SYSMACROS',
1368                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1369 config_host_data.set('HAVE_OPTRESET',
1370                      cc.has_header_symbol('getopt.h', 'optreset'))
1371 config_host_data.set('HAVE_UTMPX',
1372                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
1373 config_host_data.set('HAVE_IPPROTO_MPTCP',
1374                      cc.has_header_symbol('netinet/in.h', 'IPPROTO_MPTCP'))
1375
1376 # has_member
1377 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1378                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1379                                    prefix: '#include <signal.h>'))
1380 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1381                      cc.has_member('struct stat', 'st_atim',
1382                                    prefix: '#include <sys/stat.h>'))
1383
1384 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1385   #include <sys/eventfd.h>
1386   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1387 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1388   #include <unistd.h>
1389   int main(void) {
1390   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1391   return fdatasync(0);
1392   #else
1393   #error Not supported
1394   #endif
1395   }'''))
1396 config_host_data.set('CONFIG_MADVISE', cc.links(gnu_source_prefix + '''
1397   #include <sys/types.h>
1398   #include <sys/mman.h>
1399   #include <stddef.h>
1400   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1401 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1402   #include <sys/mman.h>
1403   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1404 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1405   #include <fcntl.h>
1406   #if !defined(AT_EMPTY_PATH)
1407   # error missing definition
1408   #else
1409   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1410   #endif'''))
1411 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1412   #include <unistd.h>
1413   #include <fcntl.h>
1414
1415   int main(void)
1416   {
1417       int pipefd[2];
1418       return pipe2(pipefd, O_CLOEXEC);
1419   }'''))
1420 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1421   #include <sys/mman.h>
1422   #include <stddef.h>
1423   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1424 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1425   #include <unistd.h>
1426   #include <sys/syscall.h>
1427   #include <signal.h>
1428   int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }'''))
1429 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1430   #include <unistd.h>
1431   #include <fcntl.h>
1432   #include <limits.h>
1433
1434   int main(void)
1435   {
1436     int len, fd = 0;
1437     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1438     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1439     return 0;
1440   }'''))
1441
1442 # Some versions of Mac OS X incorrectly define SIZE_MAX
1443 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1444     #include <stdint.h>
1445     #include <stdio.h>
1446     int main(int argc, char *argv[]) {
1447         return printf("%zu", SIZE_MAX);
1448     }''', args: ['-Werror']))
1449
1450
1451 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
1452 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1453 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
1454 foreach k, v: config_host
1455   if ignored.contains(k)
1456     # do nothing
1457   elif arrays.contains(k)
1458     if v != ''
1459       v = '"' + '", "'.join(v.split()) + '", '
1460     endif
1461     config_host_data.set(k, v)
1462   elif k == 'ARCH'
1463     config_host_data.set('HOST_' + v.to_upper(), 1)
1464   elif strings.contains(k)
1465     if not k.startswith('CONFIG_')
1466       k = 'CONFIG_' + k.to_upper()
1467     endif
1468     config_host_data.set_quoted(k, v)
1469   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
1470     config_host_data.set(k, v == 'y' ? 1 : v)
1471   endif
1472 endforeach
1473
1474 ########################
1475 # Target configuration #
1476 ########################
1477
1478 minikconf = find_program('scripts/minikconf.py')
1479 config_all = {}
1480 config_all_devices = {}
1481 config_all_disas = {}
1482 config_devices_mak_list = []
1483 config_devices_h = {}
1484 config_target_h = {}
1485 config_target_mak = {}
1486
1487 disassemblers = {
1488   'alpha' : ['CONFIG_ALPHA_DIS'],
1489   'arm' : ['CONFIG_ARM_DIS'],
1490   'avr' : ['CONFIG_AVR_DIS'],
1491   'cris' : ['CONFIG_CRIS_DIS'],
1492   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1493   'hppa' : ['CONFIG_HPPA_DIS'],
1494   'i386' : ['CONFIG_I386_DIS'],
1495   'x86_64' : ['CONFIG_I386_DIS'],
1496   'x32' : ['CONFIG_I386_DIS'],
1497   'm68k' : ['CONFIG_M68K_DIS'],
1498   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1499   'mips' : ['CONFIG_MIPS_DIS'],
1500   'nios2' : ['CONFIG_NIOS2_DIS'],
1501   'or1k' : ['CONFIG_OPENRISC_DIS'],
1502   'ppc' : ['CONFIG_PPC_DIS'],
1503   'riscv' : ['CONFIG_RISCV_DIS'],
1504   'rx' : ['CONFIG_RX_DIS'],
1505   's390' : ['CONFIG_S390_DIS'],
1506   'sh4' : ['CONFIG_SH4_DIS'],
1507   'sparc' : ['CONFIG_SPARC_DIS'],
1508   'xtensa' : ['CONFIG_XTENSA_DIS'],
1509 }
1510 if link_language == 'cpp'
1511   disassemblers += {
1512     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1513     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1514     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1515   }
1516 endif
1517
1518 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
1519 host_kconfig = \
1520   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1521   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
1522   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
1523   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1524   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1525   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1526   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1527   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1528   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1529   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1530   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1531   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1532
1533 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1534
1535 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1536 actual_target_dirs = []
1537 fdt_required = []
1538 foreach target : target_dirs
1539   config_target = { 'TARGET_NAME': target.split('-')[0] }
1540   if target.endswith('linux-user')
1541     if targetos != 'linux'
1542       if default_targets
1543         continue
1544       endif
1545       error('Target @0@ is only available on a Linux host'.format(target))
1546     endif
1547     config_target += { 'CONFIG_LINUX_USER': 'y' }
1548   elif target.endswith('bsd-user')
1549     if 'CONFIG_BSD' not in config_host
1550       if default_targets
1551         continue
1552       endif
1553       error('Target @0@ is only available on a BSD host'.format(target))
1554     endif
1555     config_target += { 'CONFIG_BSD_USER': 'y' }
1556   elif target.endswith('softmmu')
1557     config_target += { 'CONFIG_SOFTMMU': 'y' }
1558   endif
1559   if target.endswith('-user')
1560     config_target += {
1561       'CONFIG_USER_ONLY': 'y',
1562       'CONFIG_QEMU_INTERP_PREFIX':
1563         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1564     }
1565   endif
1566
1567   accel_kconfig = []
1568   foreach sym: accelerators
1569     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1570       config_target += { sym: 'y' }
1571       config_all += { sym: 'y' }
1572       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1573         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1574       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1575         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1576       endif
1577       if target in modular_tcg
1578         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
1579       else
1580         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
1581       endif
1582       accel_kconfig += [ sym + '=y' ]
1583     endif
1584   endforeach
1585   if accel_kconfig.length() == 0
1586     if default_targets
1587       continue
1588     endif
1589     error('No accelerator available for target @0@'.format(target))
1590   endif
1591
1592   actual_target_dirs += target
1593   config_target += keyval.load('configs/targets' / target + '.mak')
1594   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1595
1596   if 'TARGET_NEED_FDT' in config_target
1597     fdt_required += target
1598   endif
1599
1600   # Add default keys
1601   if 'TARGET_BASE_ARCH' not in config_target
1602     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1603   endif
1604   if 'TARGET_ABI_DIR' not in config_target
1605     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1606   endif
1607
1608   foreach k, v: disassemblers
1609     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1610       foreach sym: v
1611         config_target += { sym: 'y' }
1612         config_all_disas += { sym: 'y' }
1613       endforeach
1614     endif
1615   endforeach
1616
1617   config_target_data = configuration_data()
1618   foreach k, v: config_target
1619     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1620       # do nothing
1621     elif ignored.contains(k)
1622       # do nothing
1623     elif k == 'TARGET_BASE_ARCH'
1624       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1625       # not used to select files from sourcesets.
1626       config_target_data.set('TARGET_' + v.to_upper(), 1)
1627     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1628       config_target_data.set_quoted(k, v)
1629     elif v == 'y'
1630       config_target_data.set(k, 1)
1631     else
1632       config_target_data.set(k, v)
1633     endif
1634   endforeach
1635   config_target_data.set('QEMU_ARCH',
1636                          'QEMU_ARCH_' + config_target['TARGET_BASE_ARCH'].to_upper())
1637   config_target_h += {target: configure_file(output: target + '-config-target.h',
1638                                                configuration: config_target_data)}
1639
1640   if target.endswith('-softmmu')
1641     config_input = meson.get_external_property(target, 'default')
1642     config_devices_mak = target + '-config-devices.mak'
1643     config_devices_mak = configure_file(
1644       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
1645       output: config_devices_mak,
1646       depfile: config_devices_mak + '.d',
1647       capture: true,
1648       command: [minikconf,
1649                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1650                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1651                 host_kconfig, accel_kconfig,
1652                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
1653
1654     config_devices_data = configuration_data()
1655     config_devices = keyval.load(config_devices_mak)
1656     foreach k, v: config_devices
1657       config_devices_data.set(k, 1)
1658     endforeach
1659     config_devices_mak_list += config_devices_mak
1660     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1661                                                 configuration: config_devices_data)}
1662     config_target += config_devices
1663     config_all_devices += config_devices
1664   endif
1665   config_target_mak += {target: config_target}
1666 endforeach
1667 target_dirs = actual_target_dirs
1668
1669 # This configuration is used to build files that are shared by
1670 # multiple binaries, and then extracted out of the "common"
1671 # static_library target.
1672 #
1673 # We do not use all_sources()/all_dependencies(), because it would
1674 # build literally all source files, including devices only used by
1675 # targets that are not built for this compilation.  The CONFIG_ALL
1676 # pseudo symbol replaces it.
1677
1678 config_all += config_all_devices
1679 config_all += config_host
1680 config_all += config_all_disas
1681 config_all += {
1682   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1683   'CONFIG_SOFTMMU': have_system,
1684   'CONFIG_USER_ONLY': have_user,
1685   'CONFIG_ALL': true,
1686 }
1687
1688 ##############
1689 # Submodules #
1690 ##############
1691
1692 capstone = not_found
1693 capstone_opt = get_option('capstone')
1694 if capstone_opt in ['enabled', 'auto', 'system']
1695   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1696   capstone = dependency('capstone', version: '>=4.0',
1697                         kwargs: static_kwargs, method: 'pkg-config',
1698                         required: capstone_opt == 'system' or
1699                                   capstone_opt == 'enabled' and not have_internal)
1700
1701   # Some versions of capstone have broken pkg-config file
1702   # that reports a wrong -I path, causing the #include to
1703   # fail later. If the system has such a broken version
1704   # do not use it.
1705   if capstone.found() and not cc.compiles('#include <capstone.h>',
1706                                           dependencies: [capstone])
1707     capstone = not_found
1708     if capstone_opt == 'system'
1709       error('system capstone requested, it does not appear to work')
1710     endif
1711   endif
1712
1713   if capstone.found()
1714     capstone_opt = 'system'
1715   elif have_internal
1716     capstone_opt = 'internal'
1717   else
1718     capstone_opt = 'disabled'
1719   endif
1720 endif
1721 if capstone_opt == 'internal'
1722   capstone_data = configuration_data()
1723   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1724
1725   capstone_files = files(
1726     'capstone/cs.c',
1727     'capstone/MCInst.c',
1728     'capstone/MCInstrDesc.c',
1729     'capstone/MCRegisterInfo.c',
1730     'capstone/SStream.c',
1731     'capstone/utils.c'
1732   )
1733
1734   if 'CONFIG_ARM_DIS' in config_all_disas
1735     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1736     capstone_files += files(
1737       'capstone/arch/ARM/ARMDisassembler.c',
1738       'capstone/arch/ARM/ARMInstPrinter.c',
1739       'capstone/arch/ARM/ARMMapping.c',
1740       'capstone/arch/ARM/ARMModule.c'
1741     )
1742   endif
1743
1744   # FIXME: This config entry currently depends on a c++ compiler.
1745   # Which is needed for building libvixl, but not for capstone.
1746   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1747     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1748     capstone_files += files(
1749       'capstone/arch/AArch64/AArch64BaseInfo.c',
1750       'capstone/arch/AArch64/AArch64Disassembler.c',
1751       'capstone/arch/AArch64/AArch64InstPrinter.c',
1752       'capstone/arch/AArch64/AArch64Mapping.c',
1753       'capstone/arch/AArch64/AArch64Module.c'
1754     )
1755   endif
1756
1757   if 'CONFIG_PPC_DIS' in config_all_disas
1758     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1759     capstone_files += files(
1760       'capstone/arch/PowerPC/PPCDisassembler.c',
1761       'capstone/arch/PowerPC/PPCInstPrinter.c',
1762       'capstone/arch/PowerPC/PPCMapping.c',
1763       'capstone/arch/PowerPC/PPCModule.c'
1764     )
1765   endif
1766
1767   if 'CONFIG_S390_DIS' in config_all_disas
1768     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1769     capstone_files += files(
1770       'capstone/arch/SystemZ/SystemZDisassembler.c',
1771       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1772       'capstone/arch/SystemZ/SystemZMapping.c',
1773       'capstone/arch/SystemZ/SystemZModule.c',
1774       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1775     )
1776   endif
1777
1778   if 'CONFIG_I386_DIS' in config_all_disas
1779     capstone_data.set('CAPSTONE_HAS_X86', 1)
1780     capstone_files += files(
1781       'capstone/arch/X86/X86Disassembler.c',
1782       'capstone/arch/X86/X86DisassemblerDecoder.c',
1783       'capstone/arch/X86/X86ATTInstPrinter.c',
1784       'capstone/arch/X86/X86IntelInstPrinter.c',
1785       'capstone/arch/X86/X86InstPrinterCommon.c',
1786       'capstone/arch/X86/X86Mapping.c',
1787       'capstone/arch/X86/X86Module.c'
1788     )
1789   endif
1790
1791   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1792
1793   capstone_cargs = [
1794     # FIXME: There does not seem to be a way to completely replace the c_args
1795     # that come from add_project_arguments() -- we can only add to them.
1796     # So: disable all warnings with a big hammer.
1797     '-Wno-error', '-w',
1798
1799     # Include all configuration defines via a header file, which will wind up
1800     # as a dependency on the object file, and thus changes here will result
1801     # in a rebuild.
1802     '-include', 'capstone-defs.h'
1803   ]
1804
1805   libcapstone = static_library('capstone',
1806                                build_by_default: false,
1807                                sources: capstone_files,
1808                                c_args: capstone_cargs,
1809                                include_directories: 'capstone/include')
1810   capstone = declare_dependency(link_with: libcapstone,
1811                                 include_directories: 'capstone/include/capstone')
1812 endif
1813
1814 slirp = not_found
1815 slirp_opt = 'disabled'
1816 if have_system
1817   slirp_opt = get_option('slirp')
1818   if slirp_opt in ['enabled', 'auto', 'system']
1819     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1820     slirp = dependency('slirp', kwargs: static_kwargs,
1821                        method: 'pkg-config',
1822                        required: slirp_opt == 'system' or
1823                                  slirp_opt == 'enabled' and not have_internal)
1824     if slirp.found()
1825       slirp_opt = 'system'
1826     elif have_internal
1827       slirp_opt = 'internal'
1828     else
1829       slirp_opt = 'disabled'
1830     endif
1831   endif
1832   if slirp_opt == 'internal'
1833     slirp_deps = []
1834     if targetos == 'windows'
1835       slirp_deps = cc.find_library('iphlpapi')
1836     elif targetos == 'darwin'
1837       slirp_deps = cc.find_library('resolv')
1838     endif
1839     slirp_conf = configuration_data()
1840     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1841     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1842     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1843     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1844     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1845     slirp_files = [
1846       'slirp/src/arp_table.c',
1847       'slirp/src/bootp.c',
1848       'slirp/src/cksum.c',
1849       'slirp/src/dhcpv6.c',
1850       'slirp/src/dnssearch.c',
1851       'slirp/src/if.c',
1852       'slirp/src/ip6_icmp.c',
1853       'slirp/src/ip6_input.c',
1854       'slirp/src/ip6_output.c',
1855       'slirp/src/ip_icmp.c',
1856       'slirp/src/ip_input.c',
1857       'slirp/src/ip_output.c',
1858       'slirp/src/mbuf.c',
1859       'slirp/src/misc.c',
1860       'slirp/src/ncsi.c',
1861       'slirp/src/ndp_table.c',
1862       'slirp/src/sbuf.c',
1863       'slirp/src/slirp.c',
1864       'slirp/src/socket.c',
1865       'slirp/src/state.c',
1866       'slirp/src/stream.c',
1867       'slirp/src/tcp_input.c',
1868       'slirp/src/tcp_output.c',
1869       'slirp/src/tcp_subr.c',
1870       'slirp/src/tcp_timer.c',
1871       'slirp/src/tftp.c',
1872       'slirp/src/udp.c',
1873       'slirp/src/udp6.c',
1874       'slirp/src/util.c',
1875       'slirp/src/version.c',
1876       'slirp/src/vmstate.c',
1877     ]
1878
1879     configure_file(
1880       input : 'slirp/src/libslirp-version.h.in',
1881       output : 'libslirp-version.h',
1882       configuration: slirp_conf)
1883
1884     slirp_inc = include_directories('slirp', 'slirp/src')
1885     libslirp = static_library('slirp',
1886                               build_by_default: false,
1887                               sources: slirp_files,
1888                               c_args: slirp_cargs,
1889                               include_directories: slirp_inc)
1890     slirp = declare_dependency(link_with: libslirp,
1891                                dependencies: slirp_deps,
1892                                include_directories: slirp_inc)
1893   endif
1894 endif
1895
1896 # For CFI, we need to compile slirp as a static library together with qemu.
1897 # This is because we register slirp functions as callbacks for QEMU Timers.
1898 # When using a system-wide shared libslirp, the type information for the
1899 # callback is missing and the timer call produces a false positive with CFI.
1900 #
1901 # Now that slirp_opt has been defined, check if the selected slirp is compatible
1902 # with control-flow integrity.
1903 if get_option('cfi') and slirp_opt == 'system'
1904   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
1905          + ' Please configure with --enable-slirp=git')
1906 endif
1907
1908 fdt = not_found
1909 fdt_opt = get_option('fdt')
1910 if have_system
1911   if fdt_opt in ['enabled', 'auto', 'system']
1912     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1913     fdt = cc.find_library('fdt', kwargs: static_kwargs,
1914                           required: fdt_opt == 'system' or
1915                                     fdt_opt == 'enabled' and not have_internal)
1916     if fdt.found() and cc.links('''
1917        #include <libfdt.h>
1918        #include <libfdt_env.h>
1919        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1920          dependencies: fdt)
1921       fdt_opt = 'system'
1922     elif fdt_opt == 'system'
1923        error('system libfdt requested, but it is too old (1.5.1 or newer required)')
1924     elif have_internal
1925       fdt_opt = 'internal'
1926     else
1927       fdt_opt = 'disabled'
1928       fdt = not_found
1929     endif
1930   endif
1931   if fdt_opt == 'internal'
1932     fdt_files = files(
1933       'dtc/libfdt/fdt.c',
1934       'dtc/libfdt/fdt_ro.c',
1935       'dtc/libfdt/fdt_wip.c',
1936       'dtc/libfdt/fdt_sw.c',
1937       'dtc/libfdt/fdt_rw.c',
1938       'dtc/libfdt/fdt_strerror.c',
1939       'dtc/libfdt/fdt_empty_tree.c',
1940       'dtc/libfdt/fdt_addresses.c',
1941       'dtc/libfdt/fdt_overlay.c',
1942       'dtc/libfdt/fdt_check.c',
1943     )
1944
1945     fdt_inc = include_directories('dtc/libfdt')
1946     libfdt = static_library('fdt',
1947                             build_by_default: false,
1948                             sources: fdt_files,
1949                             include_directories: fdt_inc)
1950     fdt = declare_dependency(link_with: libfdt,
1951                              include_directories: fdt_inc)
1952   endif
1953 endif
1954 if not fdt.found() and fdt_required.length() > 0
1955   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1956 endif
1957
1958 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1959 config_host_data.set('CONFIG_FDT', fdt.found())
1960 config_host_data.set('CONFIG_SLIRP', slirp.found())
1961
1962 #####################
1963 # Generated sources #
1964 #####################
1965
1966 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1967
1968 hxtool = find_program('scripts/hxtool')
1969 shaderinclude = find_program('scripts/shaderinclude.pl')
1970 qapi_gen = find_program('scripts/qapi-gen.py')
1971 qapi_gen_depends = [ meson.current_source_dir() / 'scripts/qapi/__init__.py',
1972                      meson.current_source_dir() / 'scripts/qapi/commands.py',
1973                      meson.current_source_dir() / 'scripts/qapi/common.py',
1974                      meson.current_source_dir() / 'scripts/qapi/error.py',
1975                      meson.current_source_dir() / 'scripts/qapi/events.py',
1976                      meson.current_source_dir() / 'scripts/qapi/expr.py',
1977                      meson.current_source_dir() / 'scripts/qapi/gen.py',
1978                      meson.current_source_dir() / 'scripts/qapi/introspect.py',
1979                      meson.current_source_dir() / 'scripts/qapi/parser.py',
1980                      meson.current_source_dir() / 'scripts/qapi/schema.py',
1981                      meson.current_source_dir() / 'scripts/qapi/source.py',
1982                      meson.current_source_dir() / 'scripts/qapi/types.py',
1983                      meson.current_source_dir() / 'scripts/qapi/visit.py',
1984                      meson.current_source_dir() / 'scripts/qapi/common.py',
1985                      meson.current_source_dir() / 'scripts/qapi-gen.py'
1986 ]
1987
1988 tracetool = [
1989   python, files('scripts/tracetool.py'),
1990    '--backend=' + config_host['TRACE_BACKENDS']
1991 ]
1992 tracetool_depends = files(
1993   'scripts/tracetool/backend/log.py',
1994   'scripts/tracetool/backend/__init__.py',
1995   'scripts/tracetool/backend/dtrace.py',
1996   'scripts/tracetool/backend/ftrace.py',
1997   'scripts/tracetool/backend/simple.py',
1998   'scripts/tracetool/backend/syslog.py',
1999   'scripts/tracetool/backend/ust.py',
2000   'scripts/tracetool/format/tcg_h.py',
2001   'scripts/tracetool/format/ust_events_c.py',
2002   'scripts/tracetool/format/ust_events_h.py',
2003   'scripts/tracetool/format/__init__.py',
2004   'scripts/tracetool/format/d.py',
2005   'scripts/tracetool/format/tcg_helper_c.py',
2006   'scripts/tracetool/format/simpletrace_stap.py',
2007   'scripts/tracetool/format/c.py',
2008   'scripts/tracetool/format/h.py',
2009   'scripts/tracetool/format/tcg_helper_h.py',
2010   'scripts/tracetool/format/log_stap.py',
2011   'scripts/tracetool/format/stap.py',
2012   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
2013   'scripts/tracetool/__init__.py',
2014   'scripts/tracetool/transform.py',
2015   'scripts/tracetool/vcpu.py'
2016 )
2017
2018 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
2019                     meson.current_source_dir(),
2020                     config_host['PKGVERSION'], meson.project_version()]
2021 qemu_version = custom_target('qemu-version.h',
2022                              output: 'qemu-version.h',
2023                              command: qemu_version_cmd,
2024                              capture: true,
2025                              build_by_default: true,
2026                              build_always_stale: true)
2027 genh += qemu_version
2028
2029 hxdep = []
2030 hx_headers = [
2031   ['qemu-options.hx', 'qemu-options.def'],
2032   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
2033 ]
2034 if have_system
2035   hx_headers += [
2036     ['hmp-commands.hx', 'hmp-commands.h'],
2037     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
2038   ]
2039 endif
2040 foreach d : hx_headers
2041   hxdep += custom_target(d[1],
2042                 input: files(d[0]),
2043                 output: d[1],
2044                 capture: true,
2045                 build_by_default: true, # to be removed when added to a target
2046                 command: [hxtool, '-h', '@INPUT0@'])
2047 endforeach
2048 genh += hxdep
2049
2050 ###################
2051 # Collect sources #
2052 ###################
2053
2054 authz_ss = ss.source_set()
2055 blockdev_ss = ss.source_set()
2056 block_ss = ss.source_set()
2057 bsd_user_ss = ss.source_set()
2058 chardev_ss = ss.source_set()
2059 common_ss = ss.source_set()
2060 crypto_ss = ss.source_set()
2061 io_ss = ss.source_set()
2062 linux_user_ss = ss.source_set()
2063 qmp_ss = ss.source_set()
2064 qom_ss = ss.source_set()
2065 softmmu_ss = ss.source_set()
2066 specific_fuzz_ss = ss.source_set()
2067 specific_ss = ss.source_set()
2068 stub_ss = ss.source_set()
2069 trace_ss = ss.source_set()
2070 user_ss = ss.source_set()
2071 util_ss = ss.source_set()
2072
2073 # accel modules
2074 qtest_module_ss = ss.source_set()
2075 tcg_module_ss = ss.source_set()
2076
2077 modules = {}
2078 target_modules = {}
2079 hw_arch = {}
2080 target_arch = {}
2081 target_softmmu_arch = {}
2082 target_user_arch = {}
2083
2084 ###############
2085 # Trace files #
2086 ###############
2087
2088 # TODO: add each directory to the subdirs from its own meson.build, once
2089 # we have those
2090 trace_events_subdirs = [
2091   'crypto',
2092   'qapi',
2093   'qom',
2094   'monitor',
2095   'util',
2096 ]
2097 if have_user
2098   trace_events_subdirs += [ 'linux-user' ]
2099 endif
2100 if have_block
2101   trace_events_subdirs += [
2102     'authz',
2103     'block',
2104     'io',
2105     'nbd',
2106     'scsi',
2107   ]
2108 endif
2109 if have_system
2110   trace_events_subdirs += [
2111     'accel/kvm',
2112     'audio',
2113     'backends',
2114     'backends/tpm',
2115     'chardev',
2116     'ebpf',
2117     'hw/9pfs',
2118     'hw/acpi',
2119     'hw/adc',
2120     'hw/alpha',
2121     'hw/arm',
2122     'hw/audio',
2123     'hw/block',
2124     'hw/block/dataplane',
2125     'hw/char',
2126     'hw/display',
2127     'hw/dma',
2128     'hw/hppa',
2129     'hw/hyperv',
2130     'hw/i2c',
2131     'hw/i386',
2132     'hw/i386/xen',
2133     'hw/ide',
2134     'hw/input',
2135     'hw/intc',
2136     'hw/isa',
2137     'hw/mem',
2138     'hw/mips',
2139     'hw/misc',
2140     'hw/misc/macio',
2141     'hw/net',
2142     'hw/net/can',
2143     'hw/nubus',
2144     'hw/nvme',
2145     'hw/nvram',
2146     'hw/pci',
2147     'hw/pci-host',
2148     'hw/ppc',
2149     'hw/rdma',
2150     'hw/rdma/vmw',
2151     'hw/rtc',
2152     'hw/s390x',
2153     'hw/scsi',
2154     'hw/sd',
2155     'hw/sparc',
2156     'hw/sparc64',
2157     'hw/ssi',
2158     'hw/timer',
2159     'hw/tpm',
2160     'hw/usb',
2161     'hw/vfio',
2162     'hw/virtio',
2163     'hw/watchdog',
2164     'hw/xen',
2165     'hw/gpio',
2166     'migration',
2167     'net',
2168     'softmmu',
2169     'ui',
2170     'hw/remote',
2171   ]
2172 endif
2173 if have_system or have_user
2174   trace_events_subdirs += [
2175     'accel/tcg',
2176     'hw/core',
2177     'target/arm',
2178     'target/arm/hvf',
2179     'target/hppa',
2180     'target/i386',
2181     'target/i386/kvm',
2182     'target/mips/tcg',
2183     'target/ppc',
2184     'target/riscv',
2185     'target/s390x',
2186     'target/s390x/kvm',
2187     'target/sparc',
2188   ]
2189 endif
2190
2191 vhost_user = not_found
2192 if 'CONFIG_VHOST_USER' in config_host
2193   libvhost_user = subproject('libvhost-user')
2194   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2195 endif
2196
2197 subdir('qapi')
2198 subdir('qobject')
2199 subdir('stubs')
2200 subdir('trace')
2201 subdir('util')
2202 subdir('qom')
2203 subdir('authz')
2204 subdir('crypto')
2205 subdir('ui')
2206
2207
2208 if enable_modules
2209   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2210   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2211 endif
2212
2213 stub_ss = stub_ss.apply(config_all, strict: false)
2214
2215 util_ss.add_all(trace_ss)
2216 util_ss = util_ss.apply(config_all, strict: false)
2217 libqemuutil = static_library('qemuutil',
2218                              sources: util_ss.sources() + stub_ss.sources() + genh,
2219                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2220 qemuutil = declare_dependency(link_with: libqemuutil,
2221                               sources: genh + version_res)
2222
2223 if have_system or have_user
2224   decodetree = generator(find_program('scripts/decodetree.py'),
2225                          output: 'decode-@BASENAME@.c.inc',
2226                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2227   subdir('libdecnumber')
2228   subdir('target')
2229 endif
2230
2231 subdir('audio')
2232 subdir('io')
2233 subdir('chardev')
2234 subdir('fsdev')
2235 subdir('dump')
2236
2237 if have_block
2238   block_ss.add(files(
2239     'block.c',
2240     'blockjob.c',
2241     'job.c',
2242     'qemu-io-cmds.c',
2243   ))
2244   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
2245
2246   subdir('nbd')
2247   subdir('scsi')
2248   subdir('block')
2249
2250   blockdev_ss.add(files(
2251     'blockdev.c',
2252     'blockdev-nbd.c',
2253     'iothread.c',
2254     'job-qmp.c',
2255   ), gnutls)
2256
2257   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2258   # os-win32.c does not
2259   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2260   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2261 endif
2262
2263 common_ss.add(files('cpus-common.c'))
2264
2265 subdir('softmmu')
2266
2267 common_ss.add(capstone)
2268 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2269
2270 # Work around a gcc bug/misfeature wherein constant propagation looks
2271 # through an alias:
2272 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2273 # to guess that a const variable is always zero.  Without lto, this is
2274 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2275 # without lto, not even the alias is required -- we simply use different
2276 # declarations in different compilation units.
2277 pagevary = files('page-vary-common.c')
2278 if get_option('b_lto')
2279   pagevary_flags = ['-fno-lto']
2280   if get_option('cfi')
2281     pagevary_flags += '-fno-sanitize=cfi-icall'
2282   endif
2283   pagevary = static_library('page-vary-common', sources: pagevary,
2284                             c_args: pagevary_flags)
2285   pagevary = declare_dependency(link_with: pagevary)
2286 endif
2287 common_ss.add(pagevary)
2288 specific_ss.add(files('page-vary.c'))
2289
2290 subdir('backends')
2291 subdir('disas')
2292 subdir('migration')
2293 subdir('monitor')
2294 subdir('net')
2295 subdir('replay')
2296 subdir('semihosting')
2297 subdir('hw')
2298 subdir('tcg')
2299 subdir('fpu')
2300 subdir('accel')
2301 subdir('plugins')
2302 subdir('bsd-user')
2303 subdir('linux-user')
2304 subdir('ebpf')
2305
2306 common_ss.add(libbpf)
2307
2308 bsd_user_ss.add(files('gdbstub.c'))
2309 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2310
2311 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
2312 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2313
2314 # needed for fuzzing binaries
2315 subdir('tests/qtest/libqos')
2316 subdir('tests/qtest/fuzz')
2317
2318 # accel modules
2319 tcg_real_module_ss = ss.source_set()
2320 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2321 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2322 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2323                                 'tcg': tcg_real_module_ss }}
2324
2325 ########################
2326 # Library dependencies #
2327 ########################
2328
2329 modinfo_collect = find_program('scripts/modinfo-collect.py')
2330 modinfo_generate = find_program('scripts/modinfo-generate.py')
2331 modinfo_files = []
2332
2333 block_mods = []
2334 softmmu_mods = []
2335 foreach d, list : modules
2336   foreach m, module_ss : list
2337     if enable_modules and targetos != 'windows'
2338       module_ss = module_ss.apply(config_all, strict: false)
2339       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2340                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2341       if d == 'block'
2342         block_mods += sl
2343       else
2344         softmmu_mods += sl
2345       endif
2346       if module_ss.sources() != []
2347         # FIXME: Should use sl.extract_all_objects(recursive: true) as
2348         # input. Sources can be used multiple times but objects are
2349         # unique when it comes to lookup in compile_commands.json.
2350         # Depnds on a mesion version with
2351         # https://github.com/mesonbuild/meson/pull/8900
2352         modinfo_files += custom_target(d + '-' + m + '.modinfo',
2353                                        output: d + '-' + m + '.modinfo',
2354                                        input: module_ss.sources() + genh,
2355                                        capture: true,
2356                                        command: [modinfo_collect, module_ss.sources()])
2357       endif
2358     else
2359       if d == 'block'
2360         block_ss.add_all(module_ss)
2361       else
2362         softmmu_ss.add_all(module_ss)
2363       endif
2364     endif
2365   endforeach
2366 endforeach
2367
2368 foreach d, list : target_modules
2369   foreach m, module_ss : list
2370     if enable_modules and targetos != 'windows'
2371       foreach target : target_dirs
2372         if target.endswith('-softmmu')
2373           config_target = config_target_mak[target]
2374           config_target += config_host
2375           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2376           c_args = ['-DNEED_CPU_H',
2377                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2378                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2379           target_module_ss = module_ss.apply(config_target, strict: false)
2380           if target_module_ss.sources() != []
2381             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2382             sl = static_library(module_name,
2383                                 [genh, target_module_ss.sources()],
2384                                 dependencies: [modulecommon, target_module_ss.dependencies()],
2385                                 include_directories: target_inc,
2386                                 c_args: c_args,
2387                                 pic: true)
2388             softmmu_mods += sl
2389             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2390             modinfo_files += custom_target(module_name + '.modinfo',
2391                                            output: module_name + '.modinfo',
2392                                            input: target_module_ss.sources() + genh,
2393                                            capture: true,
2394                                            command: [modinfo_collect, '--target', target, target_module_ss.sources()])
2395           endif
2396         endif
2397       endforeach
2398     else
2399       specific_ss.add_all(module_ss)
2400     endif
2401   endforeach
2402 endforeach
2403
2404 if enable_modules
2405   modinfo_src = custom_target('modinfo.c',
2406                               output: 'modinfo.c',
2407                               input: modinfo_files,
2408                               command: [modinfo_generate, '@INPUT@'],
2409                               capture: true)
2410   modinfo_lib = static_library('modinfo', modinfo_src)
2411   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2412   softmmu_ss.add(modinfo_dep)
2413 endif
2414
2415 nm = find_program('nm')
2416 undefsym = find_program('scripts/undefsym.py')
2417 block_syms = custom_target('block.syms', output: 'block.syms',
2418                              input: [libqemuutil, block_mods],
2419                              capture: true,
2420                              command: [undefsym, nm, '@INPUT@'])
2421 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2422                              input: [libqemuutil, softmmu_mods],
2423                              capture: true,
2424                              command: [undefsym, nm, '@INPUT@'])
2425
2426 qom_ss = qom_ss.apply(config_host, strict: false)
2427 libqom = static_library('qom', qom_ss.sources() + genh,
2428                         dependencies: [qom_ss.dependencies()],
2429                         name_suffix: 'fa')
2430
2431 qom = declare_dependency(link_whole: libqom)
2432
2433 authz_ss = authz_ss.apply(config_host, strict: false)
2434 libauthz = static_library('authz', authz_ss.sources() + genh,
2435                           dependencies: [authz_ss.dependencies()],
2436                           name_suffix: 'fa',
2437                           build_by_default: false)
2438
2439 authz = declare_dependency(link_whole: libauthz,
2440                            dependencies: qom)
2441
2442 crypto_ss = crypto_ss.apply(config_host, strict: false)
2443 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2444                            dependencies: [crypto_ss.dependencies()],
2445                            name_suffix: 'fa',
2446                            build_by_default: false)
2447
2448 crypto = declare_dependency(link_whole: libcrypto,
2449                             dependencies: [authz, qom])
2450
2451 io_ss = io_ss.apply(config_host, strict: false)
2452 libio = static_library('io', io_ss.sources() + genh,
2453                        dependencies: [io_ss.dependencies()],
2454                        link_with: libqemuutil,
2455                        name_suffix: 'fa',
2456                        build_by_default: false)
2457
2458 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2459
2460 libmigration = static_library('migration', sources: migration_files + genh,
2461                               name_suffix: 'fa',
2462                               build_by_default: false)
2463 migration = declare_dependency(link_with: libmigration,
2464                                dependencies: [zlib, qom, io])
2465 softmmu_ss.add(migration)
2466
2467 block_ss = block_ss.apply(config_host, strict: false)
2468 libblock = static_library('block', block_ss.sources() + genh,
2469                           dependencies: block_ss.dependencies(),
2470                           link_depends: block_syms,
2471                           name_suffix: 'fa',
2472                           build_by_default: false)
2473
2474 block = declare_dependency(link_whole: [libblock],
2475                            link_args: '@block.syms',
2476                            dependencies: [crypto, io])
2477
2478 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2479 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2480                              dependencies: blockdev_ss.dependencies(),
2481                              name_suffix: 'fa',
2482                              build_by_default: false)
2483
2484 blockdev = declare_dependency(link_whole: [libblockdev],
2485                               dependencies: [block])
2486
2487 qmp_ss = qmp_ss.apply(config_host, strict: false)
2488 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2489                         dependencies: qmp_ss.dependencies(),
2490                         name_suffix: 'fa',
2491                         build_by_default: false)
2492
2493 qmp = declare_dependency(link_whole: [libqmp])
2494
2495 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2496                             name_suffix: 'fa',
2497                             dependencies: [gnutls],
2498                             build_by_default: false)
2499
2500 chardev = declare_dependency(link_whole: libchardev)
2501
2502 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
2503                            name_suffix: 'fa',
2504                            build_by_default: false)
2505 hwcore = declare_dependency(link_whole: libhwcore)
2506 common_ss.add(hwcore)
2507
2508 ###########
2509 # Targets #
2510 ###########
2511
2512 foreach m : block_mods + softmmu_mods
2513   shared_module(m.name(),
2514                 name_prefix: '',
2515                 link_whole: m,
2516                 install: true,
2517                 install_dir: qemu_moddir)
2518 endforeach
2519
2520 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2521 common_ss.add(qom, qemuutil)
2522
2523 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2524 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2525
2526 common_all = common_ss.apply(config_all, strict: false)
2527 common_all = static_library('common',
2528                             build_by_default: false,
2529                             sources: common_all.sources() + genh,
2530                             implicit_include_directories: false,
2531                             dependencies: common_all.dependencies(),
2532                             name_suffix: 'fa')
2533
2534 feature_to_c = find_program('scripts/feature_to_c.sh')
2535
2536 emulators = {}
2537 foreach target : target_dirs
2538   config_target = config_target_mak[target]
2539   target_name = config_target['TARGET_NAME']
2540   arch = config_target['TARGET_BASE_ARCH']
2541   arch_srcs = [config_target_h[target]]
2542   arch_deps = []
2543   c_args = ['-DNEED_CPU_H',
2544             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2545             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2546   link_args = emulator_link_args
2547
2548   config_target += config_host
2549   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2550   if targetos == 'linux'
2551     target_inc += include_directories('linux-headers', is_system: true)
2552   endif
2553   if target.endswith('-softmmu')
2554     qemu_target_name = 'qemu-system-' + target_name
2555     target_type='system'
2556     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2557     arch_srcs += t.sources()
2558     arch_deps += t.dependencies()
2559
2560     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2561     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2562     arch_srcs += hw.sources()
2563     arch_deps += hw.dependencies()
2564
2565     arch_srcs += config_devices_h[target]
2566     link_args += ['@block.syms', '@qemu.syms']
2567   else
2568     abi = config_target['TARGET_ABI_DIR']
2569     target_type='user'
2570     qemu_target_name = 'qemu-' + target_name
2571     if arch in target_user_arch
2572       t = target_user_arch[arch].apply(config_target, strict: false)
2573       arch_srcs += t.sources()
2574       arch_deps += t.dependencies()
2575     endif
2576     if 'CONFIG_LINUX_USER' in config_target
2577       base_dir = 'linux-user'
2578       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2579     endif
2580     if 'CONFIG_BSD_USER' in config_target
2581       base_dir = 'bsd-user'
2582       target_inc += include_directories('bsd-user/' / targetos)
2583       dir = base_dir / abi
2584       arch_srcs += files(dir / 'target_arch_cpu.c')
2585     endif
2586     target_inc += include_directories(
2587       base_dir,
2588       base_dir / abi,
2589     )
2590     if 'CONFIG_LINUX_USER' in config_target
2591       dir = base_dir / abi
2592       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2593       if config_target.has_key('TARGET_SYSTBL_ABI')
2594         arch_srcs += \
2595           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2596                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2597       endif
2598     endif
2599   endif
2600
2601   if 'TARGET_XML_FILES' in config_target
2602     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2603                                 output: target + '-gdbstub-xml.c',
2604                                 input: files(config_target['TARGET_XML_FILES'].split()),
2605                                 command: [feature_to_c, '@INPUT@'],
2606                                 capture: true)
2607     arch_srcs += gdbstub_xml
2608   endif
2609
2610   t = target_arch[arch].apply(config_target, strict: false)
2611   arch_srcs += t.sources()
2612   arch_deps += t.dependencies()
2613
2614   target_common = common_ss.apply(config_target, strict: false)
2615   objects = common_all.extract_objects(target_common.sources())
2616   deps = target_common.dependencies()
2617
2618   target_specific = specific_ss.apply(config_target, strict: false)
2619   arch_srcs += target_specific.sources()
2620   arch_deps += target_specific.dependencies()
2621
2622   lib = static_library('qemu-' + target,
2623                  sources: arch_srcs + genh,
2624                  dependencies: arch_deps,
2625                  objects: objects,
2626                  include_directories: target_inc,
2627                  c_args: c_args,
2628                  build_by_default: false,
2629                  name_suffix: 'fa')
2630
2631   if target.endswith('-softmmu')
2632     execs = [{
2633       'name': 'qemu-system-' + target_name,
2634       'win_subsystem': 'console',
2635       'sources': files('softmmu/main.c'),
2636       'dependencies': []
2637     }]
2638     if targetos == 'windows' and (sdl.found() or gtk.found())
2639       execs += [{
2640         'name': 'qemu-system-' + target_name + 'w',
2641         'win_subsystem': 'windows',
2642         'sources': files('softmmu/main.c'),
2643         'dependencies': []
2644       }]
2645     endif
2646     if config_host.has_key('CONFIG_FUZZ')
2647       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2648       execs += [{
2649         'name': 'qemu-fuzz-' + target_name,
2650         'win_subsystem': 'console',
2651         'sources': specific_fuzz.sources(),
2652         'dependencies': specific_fuzz.dependencies(),
2653       }]
2654     endif
2655   else
2656     execs = [{
2657       'name': 'qemu-' + target_name,
2658       'win_subsystem': 'console',
2659       'sources': [],
2660       'dependencies': []
2661     }]
2662   endif
2663   foreach exe: execs
2664     exe_name = exe['name']
2665     if targetos == 'darwin'
2666       exe_name += '-unsigned'
2667     endif
2668
2669     emulator = executable(exe_name, exe['sources'],
2670                install: true,
2671                c_args: c_args,
2672                dependencies: arch_deps + deps + exe['dependencies'],
2673                objects: lib.extract_all_objects(recursive: true),
2674                link_language: link_language,
2675                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2676                link_args: link_args,
2677                win_subsystem: exe['win_subsystem'])
2678
2679     if targetos == 'darwin'
2680       icon = 'pc-bios/qemu.rsrc'
2681       build_input = [emulator, files(icon)]
2682       install_input = [
2683         get_option('bindir') / exe_name,
2684         meson.current_source_dir() / icon
2685       ]
2686       if 'CONFIG_HVF' in config_target
2687         entitlements = 'accel/hvf/entitlements.plist'
2688         build_input += files(entitlements)
2689         install_input += meson.current_source_dir() / entitlements
2690       endif
2691
2692       emulators += {exe['name'] : custom_target(exe['name'],
2693                    input: build_input,
2694                    output: exe['name'],
2695                    command: [
2696                      files('scripts/entitlement.sh'),
2697                      '@OUTPUT@',
2698                      '@INPUT@'
2699                    ])
2700       }
2701
2702       meson.add_install_script('scripts/entitlement.sh', '--install',
2703                                get_option('bindir') / exe['name'],
2704                                install_input)
2705     else
2706       emulators += {exe['name']: emulator}
2707     endif
2708
2709     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
2710       foreach stp: [
2711         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
2712         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
2713         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
2714         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
2715       ]
2716         custom_target(exe['name'] + stp['ext'],
2717                       input: trace_events_all,
2718                       output: exe['name'] + stp['ext'],
2719                       install: stp['install'],
2720                       install_dir: get_option('datadir') / 'systemtap/tapset',
2721                       command: [
2722                         tracetool, '--group=all', '--format=' + stp['fmt'],
2723                         '--binary=' + stp['bin'],
2724                         '--target-name=' + target_name,
2725                         '--target-type=' + target_type,
2726                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
2727                         '@INPUT@', '@OUTPUT@'
2728                       ],
2729                       depend_files: tracetool_depends)
2730       endforeach
2731     endif
2732   endforeach
2733 endforeach
2734
2735 # Other build targets
2736
2737 if 'CONFIG_PLUGIN' in config_host
2738   install_headers('include/qemu/qemu-plugin.h')
2739 endif
2740
2741 if 'CONFIG_GUEST_AGENT' in config_host
2742   subdir('qga')
2743 elif get_option('guest_agent_msi').enabled()
2744   error('Guest agent MSI requested, but the guest agent is not being built')
2745 endif
2746
2747 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
2748 # when we don't build tools or system
2749 if xkbcommon.found()
2750   # used for the update-keymaps target, so include rules even if !have_tools
2751   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
2752                            dependencies: [qemuutil, xkbcommon], install: have_tools)
2753 endif
2754
2755 if have_tools
2756   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
2757              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
2758   qemu_io = executable('qemu-io', files('qemu-io.c'),
2759              dependencies: [block, qemuutil], install: true)
2760   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
2761                dependencies: [blockdev, qemuutil, gnutls], install: true)
2762
2763   subdir('storage-daemon')
2764   subdir('contrib/rdmacm-mux')
2765   subdir('contrib/elf2dmp')
2766
2767   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
2768              dependencies: qemuutil,
2769              install: true)
2770
2771   if 'CONFIG_VHOST_USER' in config_host
2772     subdir('contrib/vhost-user-blk')
2773     subdir('contrib/vhost-user-gpu')
2774     subdir('contrib/vhost-user-input')
2775     subdir('contrib/vhost-user-scsi')
2776   endif
2777
2778   if targetos == 'linux'
2779     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
2780                dependencies: [qemuutil, libcap_ng],
2781                install: true,
2782                install_dir: get_option('libexecdir'))
2783
2784     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
2785                dependencies: [authz, crypto, io, qom, qemuutil,
2786                               libcap_ng, mpathpersist],
2787                install: true)
2788   endif
2789
2790   if have_ivshmem
2791     subdir('contrib/ivshmem-client')
2792     subdir('contrib/ivshmem-server')
2793   endif
2794 endif
2795
2796 subdir('scripts')
2797 subdir('tools')
2798 subdir('pc-bios')
2799 subdir('docs')
2800 subdir('tests')
2801 if gtk.found()
2802   subdir('po')
2803 endif
2804
2805 if host_machine.system() == 'windows'
2806   nsis_cmd = [
2807     find_program('scripts/nsis.py'),
2808     '@OUTPUT@',
2809     get_option('prefix'),
2810     meson.current_source_dir(),
2811     host_machine.cpu(),
2812     '--',
2813     '-DDISPLAYVERSION=' + meson.project_version(),
2814   ]
2815   if build_docs
2816     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
2817   endif
2818   if gtk.found()
2819     nsis_cmd += '-DCONFIG_GTK=y'
2820   endif
2821
2822   nsis = custom_target('nsis',
2823                        output: 'qemu-setup-' + meson.project_version() + '.exe',
2824                        input: files('qemu.nsi'),
2825                        build_always_stale: true,
2826                        command: nsis_cmd + ['@INPUT@'])
2827   alias_target('installer', nsis)
2828 endif
2829
2830 #########################
2831 # Configuration summary #
2832 #########################
2833
2834 # Directories
2835 summary_info = {}
2836 summary_info += {'Install prefix':    get_option('prefix')}
2837 summary_info += {'BIOS directory':    qemu_datadir}
2838 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
2839 summary_info += {'binary directory':  get_option('bindir')}
2840 summary_info += {'library directory': get_option('libdir')}
2841 summary_info += {'module directory':  qemu_moddir}
2842 summary_info += {'libexec directory': get_option('libexecdir')}
2843 summary_info += {'include directory': get_option('includedir')}
2844 summary_info += {'config directory':  get_option('sysconfdir')}
2845 if targetos != 'windows'
2846   summary_info += {'local state directory': get_option('localstatedir')}
2847   summary_info += {'Manual directory':      get_option('mandir')}
2848 else
2849   summary_info += {'local state directory': 'queried at runtime'}
2850 endif
2851 summary_info += {'Doc directory':     get_option('docdir')}
2852 summary_info += {'Build directory':   meson.current_build_dir()}
2853 summary_info += {'Source path':       meson.current_source_dir()}
2854 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2855 summary(summary_info, bool_yn: true, section: 'Directories')
2856
2857 # Host binaries
2858 summary_info = {}
2859 summary_info += {'git':               config_host['GIT']}
2860 summary_info += {'make':              config_host['MAKE']}
2861 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2862 summary_info += {'sphinx-build':      sphinx_build.found()}
2863 if config_host.has_key('HAVE_GDB_BIN')
2864   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2865 endif
2866 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2867 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
2868   summary_info += {'wixl':            wixl.found() ? wixl.full_path() : false}
2869 endif
2870 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
2871   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2872 endif
2873 summary(summary_info, bool_yn: true, section: 'Host binaries')
2874
2875 # Configurable features
2876 summary_info = {}
2877 summary_info += {'Documentation':     build_docs}
2878 summary_info += {'system-mode emulation': have_system}
2879 summary_info += {'user-mode emulation': have_user}
2880 summary_info += {'block layer':       have_block}
2881 summary_info += {'Install blobs':     get_option('install_blobs')}
2882 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2883 if config_host.has_key('CONFIG_MODULES')
2884   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2885 endif
2886 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2887 if have_system
2888   summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2889 endif
2890 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2891 if config_host['TRACE_BACKENDS'].split().contains('simple')
2892   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2893 endif
2894 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2895 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2896 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2897 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2898 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2899 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2900 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2901 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2902 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2903 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2904 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2905 summary(summary_info, bool_yn: true, section: 'Configurable features')
2906
2907 # Compilation information
2908 summary_info = {}
2909 summary_info += {'host CPU':          cpu}
2910 summary_info += {'host endianness':   build_machine.endian()}
2911 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
2912 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
2913 if link_language == 'cpp'
2914   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
2915 else
2916   summary_info += {'C++ compiler':      false}
2917 endif
2918 if targetos == 'darwin'
2919   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
2920 endif
2921 if targetos == 'windows'
2922   if 'WIN_SDK' in config_host
2923     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
2924   endif
2925 endif
2926 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2927                                                + ['-O' + get_option('optimization')]
2928                                                + (get_option('debug') ? ['-g'] : []))}
2929 if link_language == 'cpp'
2930   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2931                                                + ['-O' + get_option('optimization')]
2932                                                + (get_option('debug') ? ['-g'] : []))}
2933 endif
2934 link_args = get_option(link_language + '_link_args')
2935 if link_args.length() > 0
2936   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2937 endif
2938 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2939 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2940 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2941 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
2942 summary_info += {'PIE':               get_option('b_pie')}
2943 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2944 summary_info += {'malloc trim support': has_malloc_trim}
2945 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2946 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2947 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2948 summary_info += {'memory allocator':  get_option('malloc')}
2949 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2950 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2951 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2952 summary_info += {'gcov':              get_option('b_coverage')}
2953 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2954 summary_info += {'CFI support':       get_option('cfi')}
2955 if get_option('cfi')
2956   summary_info += {'CFI debug support': get_option('cfi_debug')}
2957 endif
2958 summary_info += {'strip binaries':    get_option('strip')}
2959 summary_info += {'sparse':            sparse.found() ? sparse.full_path() : false}
2960 summary_info += {'mingw32 support':   targetos == 'windows'}
2961
2962 # snarf the cross-compilation information for tests
2963 foreach target: target_dirs
2964   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
2965   if fs.exists(tcg_mak)
2966     config_cross_tcg = keyval.load(tcg_mak)
2967     target = config_cross_tcg['TARGET_NAME']
2968     compiler = ''
2969     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
2970       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
2971                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
2972     elif 'CROSS_CC_GUEST' in config_cross_tcg
2973       summary_info += {target + ' tests'
2974                                 : config_cross_tcg['CROSS_CC_GUEST'] }
2975     endif
2976    endif
2977 endforeach
2978
2979 summary(summary_info, bool_yn: true, section: 'Compilation')
2980
2981 # Targets and accelerators
2982 summary_info = {}
2983 if have_system
2984   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2985   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2986   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2987   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2988   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
2989   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2990   if config_host.has_key('CONFIG_XEN_BACKEND')
2991     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2992   endif
2993 endif
2994 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2995 if config_all.has_key('CONFIG_TCG')
2996   if get_option('tcg_interpreter')
2997     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
2998   else
2999     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
3000   endif
3001   summary_info += {'TCG plugins': config_host.has_key('CONFIG_PLUGIN')}
3002   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
3003 endif
3004 summary_info += {'target list':       ' '.join(target_dirs)}
3005 if have_system
3006   summary_info += {'default devices':   get_option('default_devices')}
3007   summary_info += {'out of process emulation': multiprocess_allowed}
3008 endif
3009 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
3010
3011 # Block layer
3012 summary_info = {}
3013 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
3014 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
3015 if have_block
3016   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
3017   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
3018   summary_info += {'Use block whitelist in tools': config_host.has_key('CONFIG_BDRV_WHITELIST_TOOLS')}
3019   summary_info += {'VirtFS support':    have_virtfs}
3020   summary_info += {'build virtiofs daemon': have_virtiofsd}
3021   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
3022   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
3023   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
3024   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
3025   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
3026   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
3027   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
3028   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
3029   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
3030   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
3031   summary_info += {'FUSE exports':      fuse.found()}
3032 endif
3033 summary(summary_info, bool_yn: true, section: 'Block layer support')
3034
3035 # Crypto
3036 summary_info = {}
3037 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
3038 summary_info += {'GNUTLS support':    gnutls.found()}
3039 summary_info += {'GNUTLS crypto':     gnutls_crypto.found()}
3040 # TODO: add back version
3041 summary_info += {'libgcrypt':         gcrypt.found()}
3042 # TODO: add back version
3043 summary_info += {'nettle':            nettle.found()}
3044 if nettle.found()
3045    summary_info += {'  XTS':             xts != 'private'}
3046 endif
3047 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
3048 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
3049 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
3050 summary(summary_info, bool_yn: true, section: 'Crypto')
3051
3052 # Libraries
3053 summary_info = {}
3054 if targetos == 'darwin'
3055   summary_info += {'Cocoa support':   cocoa.found()}
3056 endif
3057 # TODO: add back version
3058 summary_info += {'SDL support':       sdl.found()}
3059 summary_info += {'SDL image support': sdl_image.found()}
3060 # TODO: add back version
3061 summary_info += {'GTK support':       gtk.found()}
3062 summary_info += {'pixman':            pixman.found()}
3063 # TODO: add back version
3064 summary_info += {'VTE support':       vte.found()}
3065 # TODO: add back version
3066 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
3067 summary_info += {'libtasn1':          tasn1.found()}
3068 summary_info += {'PAM':               pam.found()}
3069 summary_info += {'iconv support':     iconv.found()}
3070 summary_info += {'curses support':    curses.found()}
3071 # TODO: add back version
3072 summary_info += {'virgl support':     virgl.found()}
3073 summary_info += {'curl support':      curl.found()}
3074 summary_info += {'Multipath support': mpathpersist.found()}
3075 summary_info += {'VNC support':       vnc.found()}
3076 if vnc.found()
3077   summary_info += {'VNC SASL support':  sasl.found()}
3078   summary_info += {'VNC JPEG support':  jpeg.found()}
3079   summary_info += {'VNC PNG support':   png.found()}
3080 endif
3081 summary_info += {'brlapi support':    brlapi.found()}
3082 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
3083 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
3084 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
3085 summary_info += {'Linux io_uring support': linux_io_uring.found()}
3086 summary_info += {'ATTR/XATTR support': libattr.found()}
3087 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3088 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3089 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3090 summary_info += {'libcap-ng support': libcap_ng.found()}
3091 summary_info += {'bpf support': libbpf.found()}
3092 # TODO: add back protocol and server version
3093 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
3094 summary_info += {'rbd support':       rbd.found()}
3095 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
3096 summary_info += {'smartcard support': cacard.found()}
3097 summary_info += {'U2F support':       u2f.found()}
3098 summary_info += {'libusb':            libusb.found()}
3099 summary_info += {'usb net redir':     usbredir.found()}
3100 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3101 summary_info += {'GBM':               gbm.found()}
3102 summary_info += {'libiscsi support':  libiscsi.found()}
3103 summary_info += {'libnfs support':    libnfs.found()}
3104 if targetos == 'windows'
3105   if config_host.has_key('CONFIG_GUEST_AGENT')
3106     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
3107     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
3108   endif
3109 endif
3110 summary_info += {'seccomp support':   seccomp.found()}
3111 summary_info += {'GlusterFS support': glusterfs.found()}
3112 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
3113 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
3114 summary_info += {'lzo support':       lzo.found()}
3115 summary_info += {'snappy support':    snappy.found()}
3116 summary_info += {'bzip2 support':     libbzip2.found()}
3117 summary_info += {'lzfse support':     liblzfse.found()}
3118 summary_info += {'zstd support':      zstd.found()}
3119 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
3120 summary_info += {'libxml2':           libxml2.found()}
3121 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
3122 summary_info += {'libpmem support':   libpmem.found()}
3123 summary_info += {'libdaxctl support': libdaxctl.found()}
3124 summary_info += {'libudev':           libudev.found()}
3125 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3126 summary(summary_info, bool_yn: true, section: 'Dependencies')
3127
3128 if not supported_cpus.contains(cpu)
3129   message()
3130   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3131   message()
3132   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3133   message('The QEMU project intends to remove support for this host CPU in')
3134   message('a future release if nobody volunteers to maintain it and to')
3135   message('provide a build host for our continuous integration setup.')
3136   message('configure has succeeded and you can continue to build, but')
3137   message('if you care about QEMU on this platform you should contact')
3138   message('us upstream at qemu-devel@nongnu.org.')
3139 endif
3140
3141 if not supported_oses.contains(targetos)
3142   message()
3143   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3144   message()
3145   message('Host OS ' + targetos + 'support is not currently maintained.')
3146   message('The QEMU project intends to remove support for this host OS in')
3147   message('a future release if nobody volunteers to maintain it and to')
3148   message('provide a build host for our continuous integration setup.')
3149   message('configure has succeeded and you can continue to build, but')
3150   message('if you care about QEMU on this platform you should contact')
3151   message('us upstream at qemu-devel@nongnu.org.')
3152 endif