meson.build

   1 project('qemu', ['c'], meson_version: '>=0.55.0',
   2         default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto'] +
   3                          (meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []),
   4         version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())
   5
   6 not_found = dependency('', required: false)
   7 if meson.version().version_compare('>=0.56.0')
   8   keyval = import('keyval')
   9 else
  10   keyval = import('unstable-keyval')
  11 endif
  12 ss = import('sourceset')
  13 fs = import('fs')
  14
  15 sh = find_program('sh')
  16 cc = meson.get_compiler('c')
  17 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
  18 enable_modules = 'CONFIG_MODULES' in config_host
  19 enable_static = 'CONFIG_STATIC' in config_host
  20
  21 # Allow both shared and static libraries unless --enable-static
  22 static_kwargs = enable_static ? {'static': true} : {}
  23
  24 # Temporary directory used for files created while
  25 # configure runs. Since it is in the build directory
  26 # we can safely blow away any previous version of it
  27 # (and we need not jump through hoops to try to delete
  28 # it when configure exits.)
  29 tmpdir = meson.current_build_dir() / 'meson-private/temp'
  30
  31 if get_option('qemu_suffix').startswith('/')
  32   error('qemu_suffix cannot start with a /')
  33 endif
  34
  35 qemu_confdir = get_option('sysconfdir') / get_option('qemu_suffix')
  36 qemu_datadir = get_option('datadir') / get_option('qemu_suffix')
  37 qemu_docdir = get_option('docdir') / get_option('qemu_suffix')
  38 qemu_moddir = get_option('libdir') / get_option('qemu_suffix')
  39
  40 qemu_desktopdir = get_option('datadir') / 'applications'
  41 qemu_icondir = get_option('datadir') / 'icons'
  42
  43 config_host_data = configuration_data()
  44 genh = []
  45
  46 target_dirs = config_host['TARGET_DIRS'].split()
  47 have_user = false
  48 have_system = false
  49 foreach target : target_dirs
  50   have_user = have_user or target.endswith('-user')
  51   have_system = have_system or target.endswith('-softmmu')
  52 endforeach
  53 have_tools = 'CONFIG_TOOLS' in config_host
  54 have_block = have_system or have_tools
  55
  56 python = import('python').find_installation()
  57
  58 supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
  59 supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64',
  60   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
  61
  62 cpu = host_machine.cpu_family()
  63 targetos = host_machine.system()
  64
  65 if cpu in ['x86', 'x86_64']
  66   kvm_targets = ['i386-softmmu', 'x86_64-softmmu']
  67 elif cpu == 'aarch64'
  68   kvm_targets = ['aarch64-softmmu']
  69 elif cpu == 's390x'
  70   kvm_targets = ['s390x-softmmu']
  71 elif cpu in ['ppc', 'ppc64']
  72   kvm_targets = ['ppc-softmmu', 'ppc64-softmmu']
  73 elif cpu in ['mips', 'mips64']
  74   kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu']
  75 else
  76   kvm_targets = []
  77 endif
  78
  79 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
  80 if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
  81   # i368 emulator provides xenpv machine type for multiple architectures
  82   accelerator_targets += {
  83     'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu'],
  84   }
  85 endif
  86 if cpu in ['x86', 'x86_64']
  87   accelerator_targets += {
  88     'CONFIG_HAX': ['i386-softmmu', 'x86_64-softmmu'],
  89     'CONFIG_HVF': ['x86_64-softmmu'],
  90     'CONFIG_NVMM': ['i386-softmmu', 'x86_64-softmmu'],
  91     'CONFIG_WHPX': ['i386-softmmu', 'x86_64-softmmu'],
  92   }
  93 endif
  94
  95 modular_tcg = ['i386-softmmu', 'x86_64-softmmu']
  96
  97 edk2_targets = [ 'arm-softmmu', 'aarch64-softmmu', 'i386-softmmu', 'x86_64-softmmu' ]
  98 install_edk2_blobs = false
  99 if get_option('install_blobs')
 100   foreach target : target_dirs
 101     install_edk2_blobs = install_edk2_blobs or target in edk2_targets
 102   endforeach
 103 endif
 104
 105 bzip2 = find_program('bzip2', required: install_edk2_blobs)
 106
 107 ##################
 108 # Compiler flags #
 109 ##################
 110
 111 # Specify linker-script with add_project_link_arguments so that it is not placed
 112 # within a linker --start-group/--end-group pair
 113 if 'CONFIG_FUZZ' in config_host
 114    add_project_link_arguments(['-Wl,-T,',
 115                                (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
 116                               native: false, language: ['c', 'cpp', 'objc'])
 117 endif
 118
 119 add_global_arguments(config_host['QEMU_CFLAGS'].split(),
 120                      native: false, language: ['c', 'objc'])
 121 add_global_arguments(config_host['QEMU_CXXFLAGS'].split(),
 122                      native: false, language: 'cpp')
 123 add_global_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 124                           native: false, language: ['c', 'cpp', 'objc'])
 125
 126 if targetos == 'linux'
 127   add_project_arguments('-isystem', meson.current_source_dir() / 'linux-headers',
 128                         '-isystem', 'linux-headers',
 129                         language: ['c', 'cpp'])
 130 endif
 131
 132 add_project_arguments('-iquote', '.',
 133                       '-iquote', meson.current_source_dir(),
 134                       '-iquote', meson.current_source_dir() / 'include',
 135                       '-iquote', meson.current_source_dir() / 'disas/libvixl',
 136                       language: ['c', 'cpp', 'objc'])
 137
 138 link_language = meson.get_external_property('link_language', 'cpp')
 139 if link_language == 'cpp'
 140   add_languages('cpp', required: true, native: false)
 141 endif
 142 if host_machine.system() == 'darwin'
 143   add_languages('objc', required: false, native: false)
 144 endif
 145
 146 sparse = find_program('cgcc', required: get_option('sparse'))
 147 if sparse.found()
 148   run_target('sparse',
 149              command: [find_program('scripts/check_sparse.py'),
 150                        'compile_commands.json', sparse.full_path(), '-Wbitwise',
 151                        '-Wno-transparent-union', '-Wno-old-initializer',
 152                        '-Wno-non-pointer-null'])
 153 endif
 154
 155 ###########################################
 156 # Target-specific checks and dependencies #
 157 ###########################################
 158
 159 if targetos != 'linux' and get_option('mpath').enabled()
 160   error('Multipath is supported only on Linux')
 161 endif
 162
 163 if targetos != 'linux' and get_option('multiprocess').enabled()
 164   error('Multiprocess QEMU is supported only on Linux')
 165 endif
 166 multiprocess_allowed = targetos == 'linux' and not get_option('multiprocess').disabled()
 167
 168 libm = cc.find_library('m', required: false)
 169 threads = dependency('threads')
 170 util = cc.find_library('util', required: false)
 171 winmm = []
 172 socket = []
 173 version_res = []
 174 coref = []
 175 iokit = []
 176 emulator_link_args = []
 177 nvmm =not_found
 178 hvf = not_found
 179 if targetos == 'windows'
 180   socket = cc.find_library('ws2_32')
 181   winmm = cc.find_library('winmm')
 182
 183   win = import('windows')
 184   version_res = win.compile_resources('version.rc',
 185                                       depend_files: files('pc-bios/qemu-nsis.ico'),
 186                                       include_directories: include_directories('.'))
 187 elif targetos == 'darwin'
 188   coref = dependency('appleframeworks', modules: 'CoreFoundation')
 189   iokit = dependency('appleframeworks', modules: 'IOKit', required: false)
 190 elif targetos == 'sunos'
 191   socket = [cc.find_library('socket'),
 192             cc.find_library('nsl'),
 193             cc.find_library('resolv')]
 194 elif targetos == 'haiku'
 195   socket = [cc.find_library('posix_error_mapper'),
 196             cc.find_library('network'),
 197             cc.find_library('bsd')]
 198 elif targetos == 'openbsd'
 199   if not get_option('tcg').disabled() and target_dirs.length() > 0
 200     # Disable OpenBSD W^X if available
 201     emulator_link_args = cc.get_supported_link_arguments('-Wl,-z,wxneeded')
 202   endif
 203 endif
 204
 205 accelerators = []
 206 if not get_option('kvm').disabled() and targetos == 'linux'
 207   accelerators += 'CONFIG_KVM'
 208 endif
 209 if not get_option('xen').disabled() and 'CONFIG_XEN_BACKEND' in config_host
 210   accelerators += 'CONFIG_XEN'
 211   have_xen_pci_passthrough = not get_option('xen_pci_passthrough').disabled() and targetos == 'linux'
 212 else
 213   have_xen_pci_passthrough = false
 214 endif
 215 if not get_option('whpx').disabled() and targetos == 'windows'
 216   if get_option('whpx').enabled() and host_machine.cpu() != 'x86_64'
 217     error('WHPX requires 64-bit host')
 218   elif cc.has_header('WinHvPlatform.h', required: get_option('whpx')) and \
 219        cc.has_header('WinHvEmulation.h', required: get_option('whpx'))
 220     accelerators += 'CONFIG_WHPX'
 221   endif
 222 endif
 223 if not get_option('hvf').disabled()
 224   hvf = dependency('appleframeworks', modules: 'Hypervisor',
 225                    required: get_option('hvf'))
 226   if hvf.found()
 227     accelerators += 'CONFIG_HVF'
 228   endif
 229 endif
 230 if not get_option('hax').disabled()
 231   if get_option('hax').enabled() or targetos in ['windows', 'darwin', 'netbsd']
 232     accelerators += 'CONFIG_HAX'
 233   endif
 234 endif
 235 if targetos == 'netbsd'
 236   if cc.has_header_symbol('nvmm.h', 'nvmm_cpu_stop', required: get_option('nvmm'))
 237     nvmm = cc.find_library('nvmm', required: get_option('nvmm'))
 238   endif
 239   if nvmm.found()
 240     accelerators += 'CONFIG_NVMM'
 241   endif
 242 endif
 243
 244 tcg_arch = config_host['ARCH']
 245 if not get_option('tcg').disabled()
 246   if cpu not in supported_cpus
 247     if get_option('tcg_interpreter')
 248       warning('Unsupported CPU @0@, will use TCG with TCI (experimental and slow)'.format(cpu))
 249     else
 250       error('Unsupported CPU @0@, try --enable-tcg-interpreter'.format(cpu))
 251     endif
 252   elif get_option('tcg_interpreter')
 253     warning('Use of the TCG interpretor is not recommended on this host')
 254     warning('architecture. There is a native TCG execution backend available')
 255     warning('which provides substantially better performance and reliability.')
 256     warning('It is strongly recommended to remove the --enable-tcg-interpreter')
 257     warning('configuration option on this architecture to use the native')
 258     warning('backend.')
 259   endif
 260   if get_option('tcg_interpreter')
 261     tcg_arch = 'tci'
 262   elif config_host['ARCH'] == 'sparc64'
 263     tcg_arch = 'sparc'
 264   elif config_host['ARCH'] == 's390x'
 265     tcg_arch = 's390'
 266   elif config_host['ARCH'] in ['x86_64', 'x32']
 267     tcg_arch = 'i386'
 268   elif config_host['ARCH'] == 'ppc64'
 269     tcg_arch = 'ppc'
 270   elif config_host['ARCH'] in ['riscv32', 'riscv64']
 271     tcg_arch = 'riscv'
 272   endif
 273   add_project_arguments('-iquote', meson.current_source_dir() / 'tcg' / tcg_arch,
 274                         language: ['c', 'cpp', 'objc'])
 275
 276   accelerators += 'CONFIG_TCG'
 277   config_host += { 'CONFIG_TCG': 'y' }
 278 endif
 279
 280 if 'CONFIG_KVM' not in accelerators and get_option('kvm').enabled()
 281   error('KVM not available on this platform')
 282 endif
 283 if 'CONFIG_HVF' not in accelerators and get_option('hvf').enabled()
 284   error('HVF not available on this platform')
 285 endif
 286 if 'CONFIG_NVMM' not in accelerators and get_option('nvmm').enabled()
 287   error('NVMM not available on this platform')
 288 endif
 289 if 'CONFIG_WHPX' not in accelerators and get_option('whpx').enabled()
 290   error('WHPX not available on this platform')
 291 endif
 292 if not have_xen_pci_passthrough and get_option('xen_pci_passthrough').enabled()
 293   if 'CONFIG_XEN' in accelerators
 294     error('Xen PCI passthrough not available on this platform')
 295   else
 296     error('Xen PCI passthrough requested but Xen not enabled')
 297   endif
 298 endif
 299
 300 ################
 301 # Dependencies #
 302 ################
 303
 304 # The path to glib.h is added to all compilation commands.  This was
 305 # grandfathered in from the QEMU Makefiles.
 306 add_project_arguments(config_host['GLIB_CFLAGS'].split(),
 307                       native: false, language: ['c', 'cpp', 'objc'])
 308 glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(),
 309                           link_args: config_host['GLIB_LIBS'].split())
 310 # override glib dep with the configure results (for subprojects)
 311 meson.override_dependency('glib-2.0', glib)
 312
 313 gio = not_found
 314 if 'CONFIG_GIO' in config_host
 315   gio = declare_dependency(compile_args: config_host['GIO_CFLAGS'].split(),
 316                            link_args: config_host['GIO_LIBS'].split())
 317 endif
 318 lttng = not_found
 319 if 'CONFIG_TRACE_UST' in config_host
 320   lttng = declare_dependency(link_args: config_host['LTTNG_UST_LIBS'].split())
 321 endif
 322 pixman = not_found
 323 if have_system or have_tools
 324   pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
 325                       method: 'pkg-config', kwargs: static_kwargs)
 326 endif
 327 libaio = cc.find_library('aio', required: false)
 328 zlib = dependency('zlib', required: true, kwargs: static_kwargs)
 329
 330 linux_io_uring = not_found
 331 if not get_option('linux_io_uring').auto() or have_block
 332   linux_io_uring = dependency('liburing', required: get_option('linux_io_uring'),
 333                               method: 'pkg-config', kwargs: static_kwargs)
 334 endif
 335 libxml2 = not_found
 336 if not get_option('libxml2').auto() or have_block
 337   libxml2 = dependency('libxml-2.0', required: get_option('libxml2'),
 338                        method: 'pkg-config', kwargs: static_kwargs)
 339 endif
 340 libnfs = not_found
 341 if not get_option('libnfs').auto() or have_block
 342   libnfs = dependency('libnfs', version: '>=1.9.3',
 343                       required: get_option('libnfs'),
 344                       method: 'pkg-config', kwargs: static_kwargs)
 345 endif
 346
 347 libattr_test = '''
 348   #include <stddef.h>
 349   #include <sys/types.h>
 350   #ifdef CONFIG_LIBATTR
 351   #include <attr/xattr.h>
 352   #else
 353   #include <sys/xattr.h>
 354   #endif
 355   int main(void) { getxattr(NULL, NULL, NULL, 0); setxattr(NULL, NULL, NULL, 0, 0); return 0; }'''
 356
 357 libattr = not_found
 358 have_old_libattr = false
 359 if not get_option('attr').disabled()
 360   if cc.links(libattr_test)
 361     libattr = declare_dependency()
 362   else
 363     libattr = cc.find_library('attr', has_headers: ['attr/xattr.h'],
 364                               required: get_option('attr'),
 365                               kwargs: static_kwargs)
 366     if libattr.found() and not \
 367       cc.links(libattr_test, dependencies: libattr, args: '-DCONFIG_LIBATTR')
 368       libattr = not_found
 369       if get_option('attr').enabled()
 370         error('could not link libattr')
 371       else
 372         warning('could not link libattr, disabling')
 373       endif
 374     else
 375       have_old_libattr = libattr.found()
 376     endif
 377   endif
 378 endif
 379
 380 cocoa = dependency('appleframeworks', modules: 'Cocoa', required: get_option('cocoa'))
 381 if cocoa.found() and get_option('sdl').enabled()
 382   error('Cocoa and SDL cannot be enabled at the same time')
 383 endif
 384 if cocoa.found() and get_option('gtk').enabled()
 385   error('Cocoa and GTK+ cannot be enabled at the same time')
 386 endif
 387
 388 seccomp = not_found
 389 if not get_option('seccomp').auto() or have_system or have_tools
 390   seccomp = dependency('libseccomp', version: '>=2.3.0',
 391                        required: get_option('seccomp'),
 392                        method: 'pkg-config', kwargs: static_kwargs)
 393 endif
 394
 395 libcap_ng = not_found
 396 if not get_option('cap_ng').auto() or have_system or have_tools
 397   libcap_ng = cc.find_library('cap-ng', has_headers: ['cap-ng.h'],
 398                               required: get_option('cap_ng'),
 399                               kwargs: static_kwargs)
 400 endif
 401 if libcap_ng.found() and not cc.links('''
 402    #include <cap-ng.h>
 403    int main(void)
 404    {
 405      capng_capability_to_name(CAPNG_EFFECTIVE);
 406      return 0;
 407    }''', dependencies: libcap_ng)
 408   libcap_ng = not_found
 409   if get_option('cap_ng').enabled()
 410     error('could not link libcap-ng')
 411   else
 412     warning('could not link libcap-ng, disabling')
 413   endif
 414 endif
 415
 416 if get_option('xkbcommon').auto() and not have_system and not have_tools
 417   xkbcommon = not_found
 418 else
 419   xkbcommon = dependency('xkbcommon', required: get_option('xkbcommon'),
 420                          method: 'pkg-config', kwargs: static_kwargs)
 421 endif
 422 vde = not_found
 423 if config_host.has_key('CONFIG_VDE')
 424   vde = declare_dependency(link_args: config_host['VDE_LIBS'].split())
 425 endif
 426 pulse = not_found
 427 if 'CONFIG_LIBPULSE' in config_host
 428   pulse = declare_dependency(compile_args: config_host['PULSE_CFLAGS'].split(),
 429                              link_args: config_host['PULSE_LIBS'].split())
 430 endif
 431 alsa = not_found
 432 if 'CONFIG_ALSA' in config_host
 433   alsa = declare_dependency(compile_args: config_host['ALSA_CFLAGS'].split(),
 434                             link_args: config_host['ALSA_LIBS'].split())
 435 endif
 436 jack = not_found
 437 if 'CONFIG_LIBJACK' in config_host
 438   jack = declare_dependency(link_args: config_host['JACK_LIBS'].split())
 439 endif
 440 spice = not_found
 441 spice_headers = not_found
 442 spice_protocol = not_found
 443 if 'CONFIG_SPICE' in config_host
 444   spice = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split(),
 445                              link_args: config_host['SPICE_LIBS'].split())
 446   spice_headers = declare_dependency(compile_args: config_host['SPICE_CFLAGS'].split())
 447 endif
 448 if 'CONFIG_SPICE_PROTOCOL' in config_host
 449   spice_protocol = declare_dependency(compile_args: config_host['SPICE_PROTOCOL_CFLAGS'].split())
 450 endif
 451 rt = cc.find_library('rt', required: false)
 452 libdl = not_found
 453 if 'CONFIG_PLUGIN' in config_host
 454   libdl = cc.find_library('dl', required: true)
 455 endif
 456 libiscsi = not_found
 457 if not get_option('libiscsi').auto() or have_block
 458   libiscsi = dependency('libiscsi', version: '>=1.9.0',
 459                          required: get_option('libiscsi'),
 460                          method: 'pkg-config', kwargs: static_kwargs)
 461 endif
 462 zstd = not_found
 463 if not get_option('zstd').auto() or have_block
 464   zstd = dependency('libzstd', version: '>=1.4.0',
 465                     required: get_option('zstd'),
 466                     method: 'pkg-config', kwargs: static_kwargs)
 467 endif
 468 gbm = not_found
 469 if 'CONFIG_GBM' in config_host
 470   gbm = declare_dependency(compile_args: config_host['GBM_CFLAGS'].split(),
 471                            link_args: config_host['GBM_LIBS'].split())
 472 endif
 473 virgl = not_found
 474 if not get_option('virglrenderer').auto() or have_system
 475   virgl = dependency('virglrenderer',
 476                      method: 'pkg-config',
 477                      required: get_option('virglrenderer'),
 478                      kwargs: static_kwargs)
 479 endif
 480 curl = not_found
 481 if not get_option('curl').auto() or have_block
 482   curl = dependency('libcurl', version: '>=7.29.0',
 483                     method: 'pkg-config',
 484                     required: get_option('curl'),
 485                     kwargs: static_kwargs)
 486 endif
 487 libudev = not_found
 488 if targetos == 'linux' and (have_system or have_tools)
 489   libudev = dependency('libudev',
 490                        method: 'pkg-config',
 491                        required: get_option('libudev'),
 492                        kwargs: static_kwargs)
 493 endif
 494
 495 mpathlibs = [libudev]
 496 mpathpersist = not_found
 497 mpathpersist_new_api = false
 498 if targetos == 'linux' and have_tools and not get_option('mpath').disabled()
 499   mpath_test_source_new = '''
 500     #include <libudev.h>
 501     #include <mpath_persist.h>
 502     unsigned mpath_mx_alloc_len = 1024;
 503     int logsink;
 504     static struct config *multipath_conf;
 505     extern struct udev *udev;
 506     extern struct config *get_multipath_config(void);
 507     extern void put_multipath_config(struct config *conf);
 508     struct udev *udev;
 509     struct config *get_multipath_config(void) { return multipath_conf; }
 510     void put_multipath_config(struct config *conf) { }
 511     int main(void) {
 512         udev = udev_new();
 513         multipath_conf = mpath_lib_init();
 514         return 0;
 515     }'''
 516   mpath_test_source_old = '''
 517       #include <libudev.h>
 518       #include <mpath_persist.h>
 519       unsigned mpath_mx_alloc_len = 1024;
 520       int logsink;
 521       int main(void) {
 522           struct udev *udev = udev_new();
 523           mpath_lib_init(udev);
 524           return 0;
 525       }'''
 526   libmpathpersist = cc.find_library('mpathpersist',
 527                                     required: get_option('mpath'),
 528                                     kwargs: static_kwargs)
 529   if libmpathpersist.found()
 530     mpathlibs += libmpathpersist
 531     if enable_static
 532       mpathlibs += cc.find_library('devmapper',
 533                                      required: get_option('mpath'),
 534                                      kwargs: static_kwargs)
 535     endif
 536     mpathlibs += cc.find_library('multipath',
 537                                  required: get_option('mpath'),
 538                                  kwargs: static_kwargs)
 539     foreach lib: mpathlibs
 540       if not lib.found()
 541         mpathlibs = []
 542         break
 543       endif
 544     endforeach
 545     if mpathlibs.length() == 0
 546       msg = 'Dependencies missing for libmpathpersist'
 547     elif cc.links(mpath_test_source_new, dependencies: mpathlibs)
 548       mpathpersist = declare_dependency(dependencies: mpathlibs)
 549       mpathpersist_new_api = true
 550     elif cc.links(mpath_test_source_old, dependencies: mpathlibs)
 551       mpathpersist = declare_dependency(dependencies: mpathlibs)
 552     else
 553       msg = 'Cannot detect libmpathpersist API'
 554     endif
 555     if not mpathpersist.found()
 556       if get_option('mpath').enabled()
 557         error(msg)
 558       else
 559         warning(msg + ', disabling')
 560       endif
 561     endif
 562   endif
 563 endif
 564
 565 iconv = not_found
 566 curses = not_found
 567 if have_system and not get_option('curses').disabled()
 568   curses_test = '''
 569     #include <locale.h>
 570     #include <curses.h>
 571     #include <wchar.h>
 572     int main(void) {
 573       wchar_t wch = L'w';
 574       setlocale(LC_ALL, "");
 575       resize_term(0, 0);
 576       addwstr(L"wide chars\n");
 577       addnwstr(&wch, 1);
 578       add_wch(WACS_DEGREE);
 579       return 0;
 580     }'''
 581
 582   curses_dep_list = targetos == 'windows' ? ['ncurses', 'ncursesw'] : ['ncursesw']
 583   foreach curses_dep : curses_dep_list
 584     if not curses.found()
 585       curses = dependency(curses_dep,
 586                           required: false,
 587                           method: 'pkg-config',
 588                           kwargs: static_kwargs)
 589     endif
 590   endforeach
 591   msg = get_option('curses').enabled() ? 'curses library not found' : ''
 592   curses_compile_args = ['-DNCURSES_WIDECHAR']
 593   if curses.found()
 594     if cc.links(curses_test, args: curses_compile_args, dependencies: [curses])
 595       curses = declare_dependency(compile_args: curses_compile_args, dependencies: [curses])
 596     else
 597       msg = 'curses package not usable'
 598       curses = not_found
 599     endif
 600   endif
 601   if not curses.found()
 602     has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 603     if targetos != 'windows' and not has_curses_h
 604       message('Trying with /usr/include/ncursesw')
 605       curses_compile_args += ['-I/usr/include/ncursesw']
 606       has_curses_h = cc.has_header('curses.h', args: curses_compile_args)
 607     endif
 608     if has_curses_h
 609       curses_libname_list = (targetos == 'windows' ? ['pdcurses'] : ['ncursesw', 'cursesw'])
 610       foreach curses_libname : curses_libname_list
 611         libcurses = cc.find_library(curses_libname,
 612                                     required: false,
 613                                     kwargs: static_kwargs)
 614         if libcurses.found()
 615           if cc.links(curses_test, args: curses_compile_args, dependencies: libcurses)
 616             curses = declare_dependency(compile_args: curses_compile_args,
 617                                         dependencies: [libcurses])
 618             break
 619           else
 620             msg = 'curses library not usable'
 621           endif
 622         endif
 623       endforeach
 624     endif
 625   endif
 626   if not get_option('iconv').disabled()
 627     foreach link_args : [ ['-liconv'], [] ]
 628       # Programs will be linked with glib and this will bring in libiconv on FreeBSD.
 629       # We need to use libiconv if available because mixing libiconv's headers with
 630       # the system libc does not work.
 631       # However, without adding glib to the dependencies -L/usr/local/lib will not be
 632       # included in the command line and libiconv will not be found.
 633       if cc.links('''
 634         #include <iconv.h>
 635         int main(void) {
 636           iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
 637           return conv != (iconv_t) -1;
 638         }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args)
 639         iconv = declare_dependency(link_args: link_args, dependencies: glib)
 640         break
 641       endif
 642     endforeach
 643   endif
 644   if curses.found() and not iconv.found()
 645     if get_option('iconv').enabled()
 646       error('iconv not available')
 647     endif
 648     msg = 'iconv required for curses UI but not available'
 649     curses = not_found
 650   endif
 651   if not curses.found() and msg != ''
 652     if get_option('curses').enabled()
 653       error(msg)
 654     else
 655       warning(msg + ', disabling')
 656     endif
 657   endif
 658 endif
 659
 660 brlapi = not_found
 661 if not get_option('brlapi').auto() or have_system
 662   brlapi = cc.find_library('brlapi', has_headers: ['brlapi.h'],
 663                          required: get_option('brlapi'),
 664                          kwargs: static_kwargs)
 665   if brlapi.found() and not cc.links('''
 666      #include <brlapi.h>
 667      #include <stddef.h>
 668      int main(void) { return brlapi__openConnection (NULL, NULL, NULL); }''', dependencies: brlapi)
 669     brlapi = not_found
 670     if get_option('brlapi').enabled()
 671       error('could not link brlapi')
 672     else
 673       warning('could not link brlapi, disabling')
 674     endif
 675   endif
 676 endif
 677
 678 sdl = not_found
 679 if not get_option('sdl').auto() or (have_system and not cocoa.found())
 680   sdl = dependency('sdl2', required: get_option('sdl'), kwargs: static_kwargs)
 681   sdl_image = not_found
 682 endif
 683 if sdl.found()
 684   # work around 2.0.8 bug
 685   sdl = declare_dependency(compile_args: '-Wno-undef',
 686                            dependencies: sdl)
 687   sdl_image = dependency('SDL2_image', required: get_option('sdl_image'),
 688                          method: 'pkg-config', kwargs: static_kwargs)
 689 else
 690   if get_option('sdl_image').enabled()
 691     error('sdl-image required, but SDL was @0@'.format(
 692           get_option('sdl').disabled() ? 'disabled' : 'not found'))
 693   endif
 694   sdl_image = not_found
 695 endif
 696
 697 rbd = not_found
 698 if not get_option('rbd').auto() or have_block
 699   librados = cc.find_library('rados', required: get_option('rbd'),
 700                              kwargs: static_kwargs)
 701   librbd = cc.find_library('rbd', has_headers: ['rbd/librbd.h'],
 702                            required: get_option('rbd'),
 703                            kwargs: static_kwargs)
 704   if librados.found() and librbd.found()
 705     if cc.links('''
 706       #include <stdio.h>
 707       #include <rbd/librbd.h>
 708       int main(void) {
 709         rados_t cluster;
 710         rados_create(&cluster, NULL);
 711         #if LIBRBD_VERSION_CODE < LIBRBD_VERSION(1, 12, 0)
 712         #error
 713         #endif
 714         return 0;
 715       }''', dependencies: [librbd, librados])
 716       rbd = declare_dependency(dependencies: [librbd, librados])
 717     elif get_option('rbd').enabled()
 718       error('librbd >= 1.12.0 required')
 719     else
 720       warning('librbd >= 1.12.0 not found, disabling')
 721     endif
 722   endif
 723 endif
 724
 725 glusterfs = not_found
 726 glusterfs_ftruncate_has_stat = false
 727 glusterfs_iocb_has_stat = false
 728 if not get_option('glusterfs').auto() or have_block
 729   glusterfs = dependency('glusterfs-api', version: '>=3',
 730                          required: get_option('glusterfs'),
 731                          method: 'pkg-config', kwargs: static_kwargs)
 732   if glusterfs.found()
 733     glusterfs_ftruncate_has_stat = cc.links('''
 734       #include <glusterfs/api/glfs.h>
 735
 736       int
 737       main(void)
 738       {
 739           /* new glfs_ftruncate() passes two additional args */
 740           return glfs_ftruncate(NULL, 0, NULL, NULL);
 741       }
 742     ''', dependencies: glusterfs)
 743     glusterfs_iocb_has_stat = cc.links('''
 744       #include <glusterfs/api/glfs.h>
 745
 746       /* new glfs_io_cbk() passes two additional glfs_stat structs */
 747       static void
 748       glusterfs_iocb(glfs_fd_t *fd, ssize_t ret, struct glfs_stat *prestat, struct glfs_stat *poststat, void *data)
 749       {}
 750
 751       int
 752       main(void)
 753       {
 754           glfs_io_cbk iocb = &glusterfs_iocb;
 755           iocb(NULL, 0 , NULL, NULL, NULL);
 756           return 0;
 757       }
 758     ''', dependencies: glusterfs)
 759   endif
 760 endif
 761 libssh = not_found
 762 if 'CONFIG_LIBSSH' in config_host
 763   libssh = declare_dependency(compile_args: config_host['LIBSSH_CFLAGS'].split(),
 764                               link_args: config_host['LIBSSH_LIBS'].split())
 765 endif
 766 libbzip2 = not_found
 767 if not get_option('bzip2').auto() or have_block
 768   libbzip2 = cc.find_library('bz2', has_headers: ['bzlib.h'],
 769                              required: get_option('bzip2'),
 770                              kwargs: static_kwargs)
 771   if libbzip2.found() and not cc.links('''
 772      #include <bzlib.h>
 773      int main(void) { BZ2_bzlibVersion(); return 0; }''', dependencies: libbzip2)
 774     libbzip2 = not_found
 775     if get_option('bzip2').enabled()
 776       error('could not link libbzip2')
 777     else
 778       warning('could not link libbzip2, disabling')
 779     endif
 780   endif
 781 endif
 782
 783 liblzfse = not_found
 784 if not get_option('lzfse').auto() or have_block
 785   liblzfse = cc.find_library('lzfse', has_headers: ['lzfse.h'],
 786                              required: get_option('lzfse'),
 787                              kwargs: static_kwargs)
 788 endif
 789 if liblzfse.found() and not cc.links('''
 790    #include <lzfse.h>
 791    int main(void) { lzfse_decode_scratch_size(); return 0; }''', dependencies: liblzfse)
 792   liblzfse = not_found
 793   if get_option('lzfse').enabled()
 794     error('could not link liblzfse')
 795   else
 796     warning('could not link liblzfse, disabling')
 797   endif
 798 endif
 799
 800 oss = not_found
 801 if 'CONFIG_AUDIO_OSS' in config_host
 802   oss = declare_dependency(link_args: config_host['OSS_LIBS'].split())
 803 endif
 804 dsound = not_found
 805 if 'CONFIG_AUDIO_DSOUND' in config_host
 806   dsound = declare_dependency(link_args: config_host['DSOUND_LIBS'].split())
 807 endif
 808 coreaudio = not_found
 809 if 'CONFIG_AUDIO_COREAUDIO' in config_host
 810   coreaudio = declare_dependency(link_args: config_host['COREAUDIO_LIBS'].split())
 811 endif
 812 opengl = not_found
 813 if 'CONFIG_OPENGL' in config_host
 814   opengl = declare_dependency(compile_args: config_host['OPENGL_CFLAGS'].split(),
 815                               link_args: config_host['OPENGL_LIBS'].split())
 816 endif
 817
 818 gnutls = not_found
 819 if not get_option('gnutls').auto() or have_system
 820   gnutls = dependency('gnutls', version: '>=3.5.18',
 821                       method: 'pkg-config',
 822                       required: get_option('gnutls'),
 823                       kwargs: static_kwargs)
 824 endif
 825
 826 # Nettle has priority over gcrypt
 827 gcrypt = not_found
 828 nettle = not_found
 829 xts = 'private'
 830 if get_option('nettle').enabled() and get_option('gcrypt').enabled()
 831   error('Only one of gcrypt & nettle can be enabled')
 832 elif (not get_option('nettle').auto() or have_system) and not get_option('gcrypt').enabled()
 833   nettle = dependency('nettle', version: '>=3.4',
 834                       method: 'pkg-config',
 835                       required: get_option('nettle'),
 836                       kwargs: static_kwargs)
 837   if nettle.found() and cc.has_header('nettle/xts.h', dependencies: nettle)
 838     xts = 'nettle'
 839   endif
 840 endif
 841 if (not get_option('gcrypt').auto() or have_system) and not nettle.found()
 842   gcrypt = dependency('libgcrypt', version: '>=1.5',
 843                          method: 'config-tool',
 844                          required: get_option('gcrypt'),
 845                          kwargs: static_kwargs)
 846   if gcrypt.found() and cc.compiles('''
 847     #include <gcrypt.h>
 848     int main(void) {
 849       gcry_cipher_hd_t handle;
 850       gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
 851       return 0;
 852     }
 853     ''', dependencies: gcrypt)
 854     xts = 'gcrypt'
 855   endif
 856   # Debian has removed -lgpg-error from libgcrypt-config
 857   # as it "spreads unnecessary dependencies" which in
 858   # turn breaks static builds...
 859   if gcrypt.found() and enable_static
 860     gcrypt = declare_dependency(dependencies: [
 861       gcrypt,
 862       cc.find_library('gpg-error', required: true, kwargs: static_kwargs)])
 863   endif
 864 endif
 865
 866 gtk = not_found
 867 gtkx11 = not_found
 868 vte = not_found
 869 if not get_option('gtk').auto() or (have_system and not cocoa.found())
 870   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
 871                    method: 'pkg-config',
 872                    required: get_option('gtk'),
 873                    kwargs: static_kwargs)
 874   if gtk.found()
 875     gtkx11 = dependency('gtk+-x11-3.0', version: '>=3.22.0',
 876                         method: 'pkg-config',
 877                         required: false,
 878                         kwargs: static_kwargs)
 879     gtk = declare_dependency(dependencies: [gtk, gtkx11])
 880
 881     if not get_option('vte').auto() or have_system
 882       vte = dependency('vte-2.91',
 883                        method: 'pkg-config',
 884                        required: get_option('vte'),
 885                        kwargs: static_kwargs)
 886     endif
 887   endif
 888 endif
 889
 890 x11 = not_found
 891 if gtkx11.found()
 892   x11 = dependency('x11', method: 'pkg-config', required: gtkx11.found(),
 893                    kwargs: static_kwargs)
 894 endif
 895 vnc = not_found
 896 png = not_found
 897 jpeg = not_found
 898 sasl = not_found
 899 if get_option('vnc').enabled()
 900   vnc = declare_dependency() # dummy dependency
 901   png = dependency('libpng', required: get_option('vnc_png'),
 902                    method: 'pkg-config', kwargs: static_kwargs)
 903   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
 904                     method: 'pkg-config', kwargs: static_kwargs)
 905   sasl = cc.find_library('sasl2', has_headers: ['sasl/sasl.h'],
 906                          required: get_option('vnc_sasl'),
 907                          kwargs: static_kwargs)
 908   if sasl.found()
 909     sasl = declare_dependency(dependencies: sasl,
 910                               compile_args: '-DSTRUCT_IOVEC_DEFINED')
 911   endif
 912 endif
 913
 914 pam = not_found
 915 if not get_option('auth_pam').auto() or have_system
 916   pam = cc.find_library('pam', has_headers: ['security/pam_appl.h'],
 917                         required: get_option('auth_pam'),
 918                         kwargs: static_kwargs)
 919 endif
 920 if pam.found() and not cc.links('''
 921    #include <stddef.h>
 922    #include <security/pam_appl.h>
 923    int main(void) {
 924      const char *service_name = "qemu";
 925      const char *user = "frank";
 926      const struct pam_conv pam_conv = { 0 };
 927      pam_handle_t *pamh = NULL;
 928      pam_start(service_name, user, &pam_conv, &pamh);
 929      return 0;
 930    }''', dependencies: pam)
 931   pam = not_found
 932   if get_option('auth_pam').enabled()
 933     error('could not link libpam')
 934   else
 935     warning('could not link libpam, disabling')
 936   endif
 937 endif
 938
 939 snappy = not_found
 940 if not get_option('snappy').auto() or have_system
 941   snappy = cc.find_library('snappy', has_headers: ['snappy-c.h'],
 942                            required: get_option('snappy'),
 943                            kwargs: static_kwargs)
 944 endif
 945 if snappy.found() and not cc.links('''
 946    #include <snappy-c.h>
 947    int main(void) { snappy_max_compressed_length(4096); return 0; }''', dependencies: snappy)
 948   snappy = not_found
 949   if get_option('snappy').enabled()
 950     error('could not link libsnappy')
 951   else
 952     warning('could not link libsnappy, disabling')
 953   endif
 954 endif
 955
 956 lzo = not_found
 957 if not get_option('lzo').auto() or have_system
 958   lzo = cc.find_library('lzo2', has_headers: ['lzo/lzo1x.h'],
 959                         required: get_option('lzo'),
 960                         kwargs: static_kwargs)
 961 endif
 962 if lzo.found() and not cc.links('''
 963    #include <lzo/lzo1x.h>
 964    int main(void) { lzo_version(); return 0; }''', dependencies: lzo)
 965   lzo = not_found
 966   if get_option('lzo').enabled()
 967     error('could not link liblzo2')
 968   else
 969     warning('could not link liblzo2, disabling')
 970   endif
 971 endif
 972
 973 rdma = not_found
 974 if 'CONFIG_RDMA' in config_host
 975   rdma = declare_dependency(link_args: config_host['RDMA_LIBS'].split())
 976 endif
 977 numa = not_found
 978 if 'CONFIG_NUMA' in config_host
 979   numa = declare_dependency(link_args: config_host['NUMA_LIBS'].split())
 980 endif
 981 xen = not_found
 982 if 'CONFIG_XEN_BACKEND' in config_host
 983   xen = declare_dependency(compile_args: config_host['XEN_CFLAGS'].split(),
 984                            link_args: config_host['XEN_LIBS'].split())
 985 endif
 986 cacard = not_found
 987 if not get_option('smartcard').auto() or have_system
 988   cacard = dependency('libcacard', required: get_option('smartcard'),
 989                       version: '>=2.5.1', method: 'pkg-config',
 990                       kwargs: static_kwargs)
 991 endif
 992 u2f = not_found
 993 if have_system
 994   u2f = dependency('u2f-emu', required: get_option('u2f'),
 995                    method: 'pkg-config',
 996                    kwargs: static_kwargs)
 997 endif
 998 usbredir = not_found
 999 if not get_option('usb_redir').auto() or have_system
1000   usbredir = dependency('libusbredirparser-0.5', required: get_option('usb_redir'),
1001                         version: '>=0.6', method: 'pkg-config',
1002                         kwargs: static_kwargs)
1003 endif
1004 libusb = not_found
1005 if not get_option('libusb').auto() or have_system
1006   libusb = dependency('libusb-1.0', required: get_option('libusb'),
1007                       version: '>=1.0.13', method: 'pkg-config',
1008                       kwargs: static_kwargs)
1009 endif
1010
1011 libpmem = not_found
1012 if not get_option('libpmem').auto() or have_system
1013   libpmem = dependency('libpmem', required: get_option('libpmem'),
1014                        method: 'pkg-config', kwargs: static_kwargs)
1015 endif
1016 libdaxctl = not_found
1017 if not get_option('libdaxctl').auto() or have_system
1018   libdaxctl = dependency('libdaxctl', required: get_option('libdaxctl'),
1019                          version: '>=57', method: 'pkg-config',
1020                          kwargs: static_kwargs)
1021 endif
1022 tasn1 = not_found
1023 if gnutls.found()
1024   tasn1 = dependency('libtasn1',
1025                      method: 'pkg-config',
1026                      kwargs: static_kwargs)
1027 endif
1028 keyutils = dependency('libkeyutils', required: false,
1029                       method: 'pkg-config', kwargs: static_kwargs)
1030
1031 has_gettid = cc.has_function('gettid')
1032
1033 # Malloc tests
1034
1035 malloc = []
1036 if get_option('malloc') == 'system'
1037   has_malloc_trim = \
1038     not get_option('malloc_trim').disabled() and \
1039     cc.links('''#include <malloc.h>
1040                 int main(void) { malloc_trim(0); return 0; }''')
1041 else
1042   has_malloc_trim = false
1043   malloc = cc.find_library(get_option('malloc'), required: true)
1044 endif
1045 if not has_malloc_trim and get_option('malloc_trim').enabled()
1046   if get_option('malloc') == 'system'
1047     error('malloc_trim not available on this platform.')
1048   else
1049     error('malloc_trim not available with non-libc memory allocator')
1050   endif
1051 endif
1052
1053 # Check whether the glibc provides statx()
1054
1055 gnu_source_prefix = '''
1056   #ifndef _GNU_SOURCE
1057   #define _GNU_SOURCE
1058   #endif
1059 '''
1060 statx_test = gnu_source_prefix + '''
1061   #include <sys/stat.h>
1062   int main(void) {
1063     struct statx statxbuf;
1064     statx(0, "", 0, STATX_BASIC_STATS, &statxbuf);
1065     return 0;
1066   }'''
1067
1068 has_statx = cc.links(statx_test)
1069
1070 have_vhost_user_blk_server = (targetos == 'linux' and
1071     'CONFIG_VHOST_USER' in config_host)
1072
1073 if get_option('vhost_user_blk_server').enabled()
1074     if targetos != 'linux'
1075         error('vhost_user_blk_server requires linux')
1076     elif 'CONFIG_VHOST_USER' not in config_host
1077         error('vhost_user_blk_server requires vhost-user support')
1078     endif
1079 elif get_option('vhost_user_blk_server').disabled() or not have_system
1080     have_vhost_user_blk_server = false
1081 endif
1082
1083
1084 if get_option('fuse').disabled() and get_option('fuse_lseek').enabled()
1085   error('Cannot enable fuse-lseek while fuse is disabled')
1086 endif
1087
1088 fuse = dependency('fuse3', required: get_option('fuse'),
1089                   version: '>=3.1', method: 'pkg-config',
1090                   kwargs: static_kwargs)
1091
1092 fuse_lseek = not_found
1093 if not get_option('fuse_lseek').disabled()
1094   if fuse.version().version_compare('>=3.8')
1095     # Dummy dependency
1096     fuse_lseek = declare_dependency()
1097   elif get_option('fuse_lseek').enabled()
1098     if fuse.found()
1099       error('fuse-lseek requires libfuse >=3.8, found ' + fuse.version())
1100     else
1101       error('fuse-lseek requires libfuse, which was not found')
1102     endif
1103   endif
1104 endif
1105
1106 # libbpf
1107 libbpf = dependency('libbpf', required: get_option('bpf'), method: 'pkg-config')
1108 if libbpf.found() and not cc.links('''
1109    #include <bpf/libbpf.h>
1110    int main(void)
1111    {
1112      bpf_object__destroy_skeleton(NULL);
1113      return 0;
1114    }''', dependencies: libbpf)
1115   libbpf = not_found
1116   if get_option('bpf').enabled()
1117     error('libbpf skeleton test failed')
1118   else
1119     warning('libbpf skeleton test failed, disabling')
1120   endif
1121 endif
1122
1123 if get_option('cfi')
1124   cfi_flags=[]
1125   # Check for dependency on LTO
1126   if not get_option('b_lto')
1127     error('Selected Control-Flow Integrity but LTO is disabled')
1128   endif
1129   if config_host.has_key('CONFIG_MODULES')
1130     error('Selected Control-Flow Integrity is not compatible with modules')
1131   endif
1132   # Check for cfi flags. CFI requires LTO so we can't use
1133   # get_supported_arguments, but need a more complex "compiles" which allows
1134   # custom arguments
1135   if cc.compiles('int main () { return 0; }', name: '-fsanitize=cfi-icall',
1136                  args: ['-flto', '-fsanitize=cfi-icall'] )
1137     cfi_flags += '-fsanitize=cfi-icall'
1138   else
1139     error('-fsanitize=cfi-icall is not supported by the compiler')
1140   endif
1141   if cc.compiles('int main () { return 0; }',
1142                  name: '-fsanitize-cfi-icall-generalize-pointers',
1143                  args: ['-flto', '-fsanitize=cfi-icall',
1144                         '-fsanitize-cfi-icall-generalize-pointers'] )
1145     cfi_flags += '-fsanitize-cfi-icall-generalize-pointers'
1146   else
1147     error('-fsanitize-cfi-icall-generalize-pointers is not supported by the compiler')
1148   endif
1149   if get_option('cfi_debug')
1150     if cc.compiles('int main () { return 0; }',
1151                    name: '-fno-sanitize-trap=cfi-icall',
1152                    args: ['-flto', '-fsanitize=cfi-icall',
1153                           '-fno-sanitize-trap=cfi-icall'] )
1154       cfi_flags += '-fno-sanitize-trap=cfi-icall'
1155     else
1156       error('-fno-sanitize-trap=cfi-icall is not supported by the compiler')
1157     endif
1158   endif
1159   add_global_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1160   add_global_link_arguments(cfi_flags, native: false, language: ['c', 'cpp', 'objc'])
1161 endif
1162
1163 have_host_block_device = (targetos != 'darwin' or
1164     cc.has_header('IOKit/storage/IOMedia.h'))
1165
1166 #################
1167 # config-host.h #
1168 #################
1169
1170 have_virtfs = (targetos == 'linux' and
1171     have_system and
1172     libattr.found() and
1173     libcap_ng.found())
1174
1175 have_virtfs_proxy_helper = have_virtfs and have_tools
1176
1177 if get_option('virtfs').enabled()
1178   if not have_virtfs
1179     if targetos != 'linux'
1180       error('virtio-9p (virtfs) requires Linux')
1181     elif not libcap_ng.found() or not libattr.found()
1182       error('virtio-9p (virtfs) requires libcap-ng-devel and libattr-devel')
1183     elif not have_system
1184       error('virtio-9p (virtfs) needs system emulation support')
1185     endif
1186   endif
1187 elif get_option('virtfs').disabled()
1188   have_virtfs = false
1189 endif
1190
1191 config_host_data.set_quoted('CONFIG_BINDIR', get_option('prefix') / get_option('bindir'))
1192 config_host_data.set_quoted('CONFIG_PREFIX', get_option('prefix'))
1193 config_host_data.set_quoted('CONFIG_QEMU_CONFDIR', get_option('prefix') / qemu_confdir)
1194 config_host_data.set_quoted('CONFIG_QEMU_DATADIR', get_option('prefix') / qemu_datadir)
1195 config_host_data.set_quoted('CONFIG_QEMU_DESKTOPDIR', get_option('prefix') / qemu_desktopdir)
1196 config_host_data.set_quoted('CONFIG_QEMU_FIRMWAREPATH', get_option('qemu_firmwarepath'))
1197 config_host_data.set_quoted('CONFIG_QEMU_HELPERDIR', get_option('prefix') / get_option('libexecdir'))
1198 config_host_data.set_quoted('CONFIG_QEMU_ICONDIR', get_option('prefix') / qemu_icondir)
1199 config_host_data.set_quoted('CONFIG_QEMU_LOCALEDIR', get_option('prefix') / get_option('localedir'))
1200 config_host_data.set_quoted('CONFIG_QEMU_LOCALSTATEDIR', get_option('prefix') / get_option('localstatedir'))
1201 config_host_data.set_quoted('CONFIG_QEMU_MODDIR', get_option('prefix') / qemu_moddir)
1202 config_host_data.set_quoted('CONFIG_SYSCONFDIR', get_option('prefix') / get_option('sysconfdir'))
1203
1204 config_host_data.set('CONFIG_ATTR', libattr.found())
1205 config_host_data.set('CONFIG_BRLAPI', brlapi.found())
1206 config_host_data.set('CONFIG_COCOA', cocoa.found())
1207 config_host_data.set('CONFIG_LIBUDEV', libudev.found())
1208 config_host_data.set('CONFIG_LZO', lzo.found())
1209 config_host_data.set('CONFIG_MPATH', mpathpersist.found())
1210 config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
1211 config_host_data.set('CONFIG_CURL', curl.found())
1212 config_host_data.set('CONFIG_CURSES', curses.found())
1213 config_host_data.set('CONFIG_GLUSTERFS', glusterfs.found())
1214 if glusterfs.found()
1215   config_host_data.set('CONFIG_GLUSTERFS_XLATOR_OPT', glusterfs.version().version_compare('>=4'))
1216   config_host_data.set('CONFIG_GLUSTERFS_DISCARD', glusterfs.version().version_compare('>=5'))
1217   config_host_data.set('CONFIG_GLUSTERFS_FALLOCATE', glusterfs.version().version_compare('>=6'))
1218   config_host_data.set('CONFIG_GLUSTERFS_ZEROFILL', glusterfs.version().version_compare('>=6'))
1219   config_host_data.set('CONFIG_GLUSTERFS_FTRUNCATE_HAS_STAT', glusterfs_ftruncate_has_stat)
1220   config_host_data.set('CONFIG_GLUSTERFS_IOCB_HAS_STAT', glusterfs_iocb_has_stat)
1221 endif
1222 config_host_data.set('CONFIG_GTK', gtk.found())
1223 config_host_data.set('CONFIG_VTE', vte.found())
1224 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
1225 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
1226 config_host_data.set('CONFIG_EBPF', libbpf.found())
1227 config_host_data.set('CONFIG_LIBDAXCTL', libdaxctl.found())
1228 config_host_data.set('CONFIG_LIBISCSI', libiscsi.found())
1229 config_host_data.set('CONFIG_LIBNFS', libnfs.found())
1230 config_host_data.set('CONFIG_LINUX_IO_URING', linux_io_uring.found())
1231 config_host_data.set('CONFIG_LIBPMEM', libpmem.found())
1232 config_host_data.set('CONFIG_RBD', rbd.found())
1233 config_host_data.set('CONFIG_SDL', sdl.found())
1234 config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
1235 config_host_data.set('CONFIG_SECCOMP', seccomp.found())
1236 config_host_data.set('CONFIG_SNAPPY', snappy.found())
1237 config_host_data.set('CONFIG_USB_LIBUSB', libusb.found())
1238 config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
1239 config_host_data.set('CONFIG_VNC', vnc.found())
1240 config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
1241 config_host_data.set('CONFIG_VNC_PNG', png.found())
1242 config_host_data.set('CONFIG_VNC_SASL', sasl.found())
1243 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
1244 config_host_data.set('CONFIG_VTE', vte.found())
1245 config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found())
1246 config_host_data.set('CONFIG_KEYUTILS', keyutils.found())
1247 config_host_data.set('CONFIG_GETTID', has_gettid)
1248 config_host_data.set('CONFIG_GNUTLS', gnutls.found())
1249 config_host_data.set('CONFIG_GCRYPT', gcrypt.found())
1250 config_host_data.set('CONFIG_NETTLE', nettle.found())
1251 config_host_data.set('CONFIG_QEMU_PRIVATE_XTS', xts == 'private')
1252 config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim)
1253 config_host_data.set('CONFIG_STATX', has_statx)
1254 config_host_data.set('CONFIG_ZSTD', zstd.found())
1255 config_host_data.set('CONFIG_FUSE', fuse.found())
1256 config_host_data.set('CONFIG_FUSE_LSEEK', fuse_lseek.found())
1257 config_host_data.set('CONFIG_X11', x11.found())
1258 config_host_data.set('CONFIG_CFI', get_option('cfi'))
1259 config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version()))
1260 config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0])
1261 config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1])
1262 config_host_data.set('QEMU_VERSION_MICRO', meson.project_version().split('.')[2])
1263
1264 config_host_data.set('HAVE_HOST_BLOCK_DEVICE', have_host_block_device)
1265
1266 # has_header
1267 config_host_data.set('CONFIG_EPOLL', cc.has_header('sys/epoll.h'))
1268 config_host_data.set('CONFIG_LINUX_MAGIC_H', cc.has_header('linux/magic.h'))
1269 config_host_data.set('CONFIG_VALGRIND_H', cc.has_header('valgrind/valgrind.h'))
1270 config_host_data.set('HAVE_BTRFS_H', cc.has_header('linux/btrfs.h'))
1271 config_host_data.set('HAVE_DRM_H', cc.has_header('libdrm/drm.h'))
1272 config_host_data.set('HAVE_PTY_H', cc.has_header('pty.h'))
1273 config_host_data.set('HAVE_SYS_DISK_H', cc.has_header('sys/disk.h'))
1274 config_host_data.set('HAVE_SYS_IOCCOM_H', cc.has_header('sys/ioccom.h'))
1275 config_host_data.set('HAVE_SYS_KCOV_H', cc.has_header('sys/kcov.h'))
1276
1277 # has_function
1278 config_host_data.set('CONFIG_ACCEPT4', cc.has_function('accept4'))
1279 config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
1280 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
1281 config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
1282 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
1283 config_host_data.set('CONFIG_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
1284 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
1285 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
1286 config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
1287 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
1288 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
1289 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
1290 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
1291 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
1292 config_host_data.set('HAVE_COPY_FILE_RANGE', cc.has_function('copy_file_range'))
1293 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
1294 config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
1295 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
1296
1297 # has_header_symbol
1298 config_host_data.set('CONFIG_BYTESWAP_H',
1299                      cc.has_header_symbol('byteswap.h', 'bswap_32'))
1300 config_host_data.set('CONFIG_EPOLL_CREATE1',
1301                      cc.has_header_symbol('sys/epoll.h', 'epoll_create1'))
1302 config_host_data.set('CONFIG_HAS_ENVIRON',
1303                      cc.has_header_symbol('unistd.h', 'environ', prefix: gnu_source_prefix))
1304 config_host_data.set('CONFIG_FALLOCATE_PUNCH_HOLE',
1305                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_PUNCH_HOLE') and
1306                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_KEEP_SIZE'))
1307 config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
1308                      cc.has_header_symbol('linux/falloc.h', 'FALLOC_FL_ZERO_RANGE'))
1309 config_host_data.set('CONFIG_FIEMAP',
1310                      cc.has_header('linux/fiemap.h') and
1311                      cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
1312 config_host_data.set('CONFIG_GETRANDOM',
1313                      cc.has_function('getrandom') and
1314                      cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))
1315 config_host_data.set('CONFIG_INOTIFY',
1316                      cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
1317 config_host_data.set('CONFIG_INOTIFY1',
1318                      cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
1319 config_host_data.set('CONFIG_MACHINE_BSWAP_H',
1320                      cc.has_header_symbol('machine/bswap.h', 'bswap32',
1321                                           prefix: '''#include <sys/endian.h>
1322                                                      #include <sys/types.h>'''))
1323 config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
1324                      cc.has_header_symbol('sys/prctl.h', 'PR_SET_TIMERSLACK'))
1325 config_host_data.set('CONFIG_RTNETLINK',
1326                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
1327 config_host_data.set('CONFIG_SYSMACROS',
1328                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1329 config_host_data.set('HAVE_OPTRESET',
1330                      cc.has_header_symbol('getopt.h', 'optreset'))
1331 config_host_data.set('HAVE_UTMPX',
1332                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
1333
1334 # has_member
1335 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
1336                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
1337                                    prefix: '#include <signal.h>'))
1338 config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
1339                      cc.has_member('struct stat', 'st_atim',
1340                                    prefix: '#include <sys/stat.h>'))
1341
1342 config_host_data.set('CONFIG_EVENTFD', cc.links('''
1343   #include <sys/eventfd.h>
1344   int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
1345 config_host_data.set('CONFIG_FDATASYNC', cc.links(gnu_source_prefix + '''
1346   #include <unistd.h>
1347   int main(void) {
1348   #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
1349   return fdatasync(0);
1350   #else
1351   #error Not supported
1352   #endif
1353   }'''))
1354 config_host_data.set('CONFIG_MADVISE', cc.links(gnu_source_prefix + '''
1355   #include <sys/types.h>
1356   #include <sys/mman.h>
1357   #include <stddef.h>
1358   int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
1359 config_host_data.set('CONFIG_MEMFD', cc.links(gnu_source_prefix + '''
1360   #include <sys/mman.h>
1361   int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
1362 config_host_data.set('CONFIG_OPEN_BY_HANDLE', cc.links(gnu_source_prefix + '''
1363   #include <fcntl.h>
1364   #if !defined(AT_EMPTY_PATH)
1365   # error missing definition
1366   #else
1367   int main(void) { struct file_handle fh; return open_by_handle_at(0, &fh, 0); }
1368   #endif'''))
1369 config_host_data.set('CONFIG_PIPE2', cc.links(gnu_source_prefix + '''
1370   #include <unistd.h>
1371   #include <fcntl.h>
1372
1373   int main(void)
1374   {
1375       int pipefd[2];
1376       return pipe2(pipefd, O_CLOEXEC);
1377   }'''))
1378 config_host_data.set('CONFIG_POSIX_MADVISE', cc.links(gnu_source_prefix + '''
1379   #include <sys/mman.h>
1380   #include <stddef.h>
1381   int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
1382 config_host_data.set('CONFIG_SIGNALFD', cc.links(gnu_source_prefix + '''
1383   #include <unistd.h>
1384   #include <sys/syscall.h>
1385   #include <signal.h>
1386   int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }'''))
1387 config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
1388   #include <unistd.h>
1389   #include <fcntl.h>
1390   #include <limits.h>
1391
1392   int main(void)
1393   {
1394     int len, fd = 0;
1395     len = tee(STDIN_FILENO, STDOUT_FILENO, INT_MAX, SPLICE_F_NONBLOCK);
1396     splice(STDIN_FILENO, NULL, fd, NULL, len, SPLICE_F_MOVE);
1397     return 0;
1398   }'''))
1399
1400 # Some versions of Mac OS X incorrectly define SIZE_MAX
1401 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
1402     #include <stdint.h>
1403     #include <stdio.h>
1404     int main(int argc, char *argv[]) {
1405         return printf("%zu", SIZE_MAX);
1406     }''', args: ['-Werror']))
1407
1408
1409 ignored = ['CONFIG_QEMU_INTERP_PREFIX'] # actually per-target
1410 arrays = ['CONFIG_AUDIO_DRIVERS', 'CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']
1411 strings = ['HOST_DSOSUF', 'CONFIG_IASL']
1412 foreach k, v: config_host
1413   if ignored.contains(k)
1414     # do nothing
1415   elif arrays.contains(k)
1416     if v != ''
1417       v = '"' + '", "'.join(v.split()) + '", '
1418     endif
1419     config_host_data.set(k, v)
1420   elif k == 'ARCH'
1421     config_host_data.set('HOST_' + v.to_upper(), 1)
1422   elif strings.contains(k)
1423     if not k.startswith('CONFIG_')
1424       k = 'CONFIG_' + k.to_upper()
1425     endif
1426     config_host_data.set_quoted(k, v)
1427   elif k.startswith('CONFIG_') or k.startswith('HAVE_') or k.startswith('HOST_')
1428     config_host_data.set(k, v == 'y' ? 1 : v)
1429   endif
1430 endforeach
1431
1432 ########################
1433 # Target configuration #
1434 ########################
1435
1436 minikconf = find_program('scripts/minikconf.py')
1437 config_all = {}
1438 config_all_devices = {}
1439 config_all_disas = {}
1440 config_devices_mak_list = []
1441 config_devices_h = {}
1442 config_target_h = {}
1443 config_target_mak = {}
1444
1445 disassemblers = {
1446   'alpha' : ['CONFIG_ALPHA_DIS'],
1447   'arm' : ['CONFIG_ARM_DIS'],
1448   'avr' : ['CONFIG_AVR_DIS'],
1449   'cris' : ['CONFIG_CRIS_DIS'],
1450   'hexagon' : ['CONFIG_HEXAGON_DIS'],
1451   'hppa' : ['CONFIG_HPPA_DIS'],
1452   'i386' : ['CONFIG_I386_DIS'],
1453   'x86_64' : ['CONFIG_I386_DIS'],
1454   'x32' : ['CONFIG_I386_DIS'],
1455   'm68k' : ['CONFIG_M68K_DIS'],
1456   'microblaze' : ['CONFIG_MICROBLAZE_DIS'],
1457   'mips' : ['CONFIG_MIPS_DIS'],
1458   'nios2' : ['CONFIG_NIOS2_DIS'],
1459   'or1k' : ['CONFIG_OPENRISC_DIS'],
1460   'ppc' : ['CONFIG_PPC_DIS'],
1461   'riscv' : ['CONFIG_RISCV_DIS'],
1462   'rx' : ['CONFIG_RX_DIS'],
1463   's390' : ['CONFIG_S390_DIS'],
1464   'sh4' : ['CONFIG_SH4_DIS'],
1465   'sparc' : ['CONFIG_SPARC_DIS'],
1466   'xtensa' : ['CONFIG_XTENSA_DIS'],
1467 }
1468 if link_language == 'cpp'
1469   disassemblers += {
1470     'aarch64' : [ 'CONFIG_ARM_A64_DIS'],
1471     'arm' : [ 'CONFIG_ARM_DIS', 'CONFIG_ARM_A64_DIS'],
1472     'mips' : [ 'CONFIG_MIPS_DIS', 'CONFIG_NANOMIPS_DIS'],
1473   }
1474 endif
1475
1476 have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
1477 host_kconfig = \
1478   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
1479   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
1480   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
1481   ('CONFIG_OPENGL' in config_host ? ['CONFIG_OPENGL=y'] : []) + \
1482   (x11.found() ? ['CONFIG_X11=y'] : []) + \
1483   ('CONFIG_VHOST_USER' in config_host ? ['CONFIG_VHOST_USER=y'] : []) + \
1484   ('CONFIG_VHOST_VDPA' in config_host ? ['CONFIG_VHOST_VDPA=y'] : []) + \
1485   ('CONFIG_VHOST_KERNEL' in config_host ? ['CONFIG_VHOST_KERNEL=y'] : []) + \
1486   (have_virtfs ? ['CONFIG_VIRTFS=y'] : []) + \
1487   ('CONFIG_LINUX' in config_host ? ['CONFIG_LINUX=y'] : []) + \
1488   ('CONFIG_PVRDMA' in config_host ? ['CONFIG_PVRDMA=y'] : []) + \
1489   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : [])
1490
1491 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
1492
1493 default_targets = 'CONFIG_DEFAULT_TARGETS' in config_host
1494 actual_target_dirs = []
1495 fdt_required = []
1496 foreach target : target_dirs
1497   config_target = { 'TARGET_NAME': target.split('-')[0] }
1498   if target.endswith('linux-user')
1499     if targetos != 'linux'
1500       if default_targets
1501         continue
1502       endif
1503       error('Target @0@ is only available on a Linux host'.format(target))
1504     endif
1505     config_target += { 'CONFIG_LINUX_USER': 'y' }
1506   elif target.endswith('bsd-user')
1507     if 'CONFIG_BSD' not in config_host
1508       if default_targets
1509         continue
1510       endif
1511       error('Target @0@ is only available on a BSD host'.format(target))
1512     endif
1513     config_target += { 'CONFIG_BSD_USER': 'y' }
1514   elif target.endswith('softmmu')
1515     config_target += { 'CONFIG_SOFTMMU': 'y' }
1516   endif
1517   if target.endswith('-user')
1518     config_target += {
1519       'CONFIG_USER_ONLY': 'y',
1520       'CONFIG_QEMU_INTERP_PREFIX':
1521         config_host['CONFIG_QEMU_INTERP_PREFIX'].format(config_target['TARGET_NAME'])
1522     }
1523   endif
1524
1525   accel_kconfig = []
1526   foreach sym: accelerators
1527     if sym == 'CONFIG_TCG' or target in accelerator_targets.get(sym, [])
1528       config_target += { sym: 'y' }
1529       config_all += { sym: 'y' }
1530       if sym == 'CONFIG_TCG' and tcg_arch == 'tci'
1531         config_target += { 'CONFIG_TCG_INTERPRETER': 'y' }
1532       elif sym == 'CONFIG_XEN' and have_xen_pci_passthrough
1533         config_target += { 'CONFIG_XEN_PCI_PASSTHROUGH': 'y' }
1534       endif
1535       if target in modular_tcg
1536         config_target += { 'CONFIG_TCG_MODULAR': 'y' }
1537       else
1538         config_target += { 'CONFIG_TCG_BUILTIN': 'y' }
1539       endif
1540       accel_kconfig += [ sym + '=y' ]
1541     endif
1542   endforeach
1543   if accel_kconfig.length() == 0
1544     if default_targets
1545       continue
1546     endif
1547     error('No accelerator available for target @0@'.format(target))
1548   endif
1549
1550   actual_target_dirs += target
1551   config_target += keyval.load('configs/targets' / target + '.mak')
1552   config_target += { 'TARGET_' + config_target['TARGET_ARCH'].to_upper(): 'y' }
1553
1554   if 'TARGET_NEED_FDT' in config_target
1555     fdt_required += target
1556   endif
1557
1558   # Add default keys
1559   if 'TARGET_BASE_ARCH' not in config_target
1560     config_target += {'TARGET_BASE_ARCH': config_target['TARGET_ARCH']}
1561   endif
1562   if 'TARGET_ABI_DIR' not in config_target
1563     config_target += {'TARGET_ABI_DIR': config_target['TARGET_ARCH']}
1564   endif
1565
1566   foreach k, v: disassemblers
1567     if config_host['ARCH'].startswith(k) or config_target['TARGET_BASE_ARCH'].startswith(k)
1568       foreach sym: v
1569         config_target += { sym: 'y' }
1570         config_all_disas += { sym: 'y' }
1571       endforeach
1572     endif
1573   endforeach
1574
1575   config_target_data = configuration_data()
1576   foreach k, v: config_target
1577     if not k.startswith('TARGET_') and not k.startswith('CONFIG_')
1578       # do nothing
1579     elif ignored.contains(k)
1580       # do nothing
1581     elif k == 'TARGET_BASE_ARCH'
1582       # Note that TARGET_BASE_ARCH ends up in config-target.h but it is
1583       # not used to select files from sourcesets.
1584       config_target_data.set('TARGET_' + v.to_upper(), 1)
1585     elif k == 'TARGET_NAME' or k == 'CONFIG_QEMU_INTERP_PREFIX'
1586       config_target_data.set_quoted(k, v)
1587     elif v == 'y'
1588       config_target_data.set(k, 1)
1589     else
1590       config_target_data.set(k, v)
1591     endif
1592   endforeach
1593   config_target_h += {target: configure_file(output: target + '-config-target.h',
1594                                                configuration: config_target_data)}
1595
1596   if target.endswith('-softmmu')
1597     config_input = meson.get_external_property(target, 'default')
1598     config_devices_mak = target + '-config-devices.mak'
1599     config_devices_mak = configure_file(
1600       input: ['configs/devices' / target / config_input + '.mak', 'Kconfig'],
1601       output: config_devices_mak,
1602       depfile: config_devices_mak + '.d',
1603       capture: true,
1604       command: [minikconf,
1605                 get_option('default_devices') ? '--defconfig' : '--allnoconfig',
1606                 config_devices_mak, '@DEPFILE@', '@INPUT@',
1607                 host_kconfig, accel_kconfig,
1608                 'CONFIG_' + config_target['TARGET_ARCH'].to_upper() + '=y'])
1609
1610     config_devices_data = configuration_data()
1611     config_devices = keyval.load(config_devices_mak)
1612     foreach k, v: config_devices
1613       config_devices_data.set(k, 1)
1614     endforeach
1615     config_devices_mak_list += config_devices_mak
1616     config_devices_h += {target: configure_file(output: target + '-config-devices.h',
1617                                                 configuration: config_devices_data)}
1618     config_target += config_devices
1619     config_all_devices += config_devices
1620   endif
1621   config_target_mak += {target: config_target}
1622 endforeach
1623 target_dirs = actual_target_dirs
1624
1625 # This configuration is used to build files that are shared by
1626 # multiple binaries, and then extracted out of the "common"
1627 # static_library target.
1628 #
1629 # We do not use all_sources()/all_dependencies(), because it would
1630 # build literally all source files, including devices only used by
1631 # targets that are not built for this compilation.  The CONFIG_ALL
1632 # pseudo symbol replaces it.
1633
1634 config_all += config_all_devices
1635 config_all += config_host
1636 config_all += config_all_disas
1637 config_all += {
1638   'CONFIG_XEN': config_host.has_key('CONFIG_XEN_BACKEND'),
1639   'CONFIG_SOFTMMU': have_system,
1640   'CONFIG_USER_ONLY': have_user,
1641   'CONFIG_ALL': true,
1642 }
1643
1644 ##############
1645 # Submodules #
1646 ##############
1647
1648 capstone = not_found
1649 capstone_opt = get_option('capstone')
1650 if capstone_opt in ['enabled', 'auto', 'system']
1651   have_internal = fs.exists(meson.current_source_dir() / 'capstone/Makefile')
1652   capstone = dependency('capstone', version: '>=4.0',
1653                         kwargs: static_kwargs, method: 'pkg-config',
1654                         required: capstone_opt == 'system' or
1655                                   capstone_opt == 'enabled' and not have_internal)
1656   if capstone.found()
1657     capstone_opt = 'system'
1658   elif have_internal
1659     capstone_opt = 'internal'
1660   else
1661     capstone_opt = 'disabled'
1662   endif
1663 endif
1664 if capstone_opt == 'internal'
1665   capstone_data = configuration_data()
1666   capstone_data.set('CAPSTONE_USE_SYS_DYN_MEM', '1')
1667
1668   capstone_files = files(
1669     'capstone/cs.c',
1670     'capstone/MCInst.c',
1671     'capstone/MCInstrDesc.c',
1672     'capstone/MCRegisterInfo.c',
1673     'capstone/SStream.c',
1674     'capstone/utils.c'
1675   )
1676
1677   if 'CONFIG_ARM_DIS' in config_all_disas
1678     capstone_data.set('CAPSTONE_HAS_ARM', '1')
1679     capstone_files += files(
1680       'capstone/arch/ARM/ARMDisassembler.c',
1681       'capstone/arch/ARM/ARMInstPrinter.c',
1682       'capstone/arch/ARM/ARMMapping.c',
1683       'capstone/arch/ARM/ARMModule.c'
1684     )
1685   endif
1686
1687   # FIXME: This config entry currently depends on a c++ compiler.
1688   # Which is needed for building libvixl, but not for capstone.
1689   if 'CONFIG_ARM_A64_DIS' in config_all_disas
1690     capstone_data.set('CAPSTONE_HAS_ARM64', '1')
1691     capstone_files += files(
1692       'capstone/arch/AArch64/AArch64BaseInfo.c',
1693       'capstone/arch/AArch64/AArch64Disassembler.c',
1694       'capstone/arch/AArch64/AArch64InstPrinter.c',
1695       'capstone/arch/AArch64/AArch64Mapping.c',
1696       'capstone/arch/AArch64/AArch64Module.c'
1697     )
1698   endif
1699
1700   if 'CONFIG_PPC_DIS' in config_all_disas
1701     capstone_data.set('CAPSTONE_HAS_POWERPC', '1')
1702     capstone_files += files(
1703       'capstone/arch/PowerPC/PPCDisassembler.c',
1704       'capstone/arch/PowerPC/PPCInstPrinter.c',
1705       'capstone/arch/PowerPC/PPCMapping.c',
1706       'capstone/arch/PowerPC/PPCModule.c'
1707     )
1708   endif
1709
1710   if 'CONFIG_S390_DIS' in config_all_disas
1711     capstone_data.set('CAPSTONE_HAS_SYSZ', '1')
1712     capstone_files += files(
1713       'capstone/arch/SystemZ/SystemZDisassembler.c',
1714       'capstone/arch/SystemZ/SystemZInstPrinter.c',
1715       'capstone/arch/SystemZ/SystemZMapping.c',
1716       'capstone/arch/SystemZ/SystemZModule.c',
1717       'capstone/arch/SystemZ/SystemZMCTargetDesc.c'
1718     )
1719   endif
1720
1721   if 'CONFIG_I386_DIS' in config_all_disas
1722     capstone_data.set('CAPSTONE_HAS_X86', 1)
1723     capstone_files += files(
1724       'capstone/arch/X86/X86Disassembler.c',
1725       'capstone/arch/X86/X86DisassemblerDecoder.c',
1726       'capstone/arch/X86/X86ATTInstPrinter.c',
1727       'capstone/arch/X86/X86IntelInstPrinter.c',
1728       'capstone/arch/X86/X86InstPrinterCommon.c',
1729       'capstone/arch/X86/X86Mapping.c',
1730       'capstone/arch/X86/X86Module.c'
1731     )
1732   endif
1733
1734   configure_file(output: 'capstone-defs.h', configuration: capstone_data)
1735
1736   capstone_cargs = [
1737     # FIXME: There does not seem to be a way to completely replace the c_args
1738     # that come from add_project_arguments() -- we can only add to them.
1739     # So: disable all warnings with a big hammer.
1740     '-Wno-error', '-w',
1741
1742     # Include all configuration defines via a header file, which will wind up
1743     # as a dependency on the object file, and thus changes here will result
1744     # in a rebuild.
1745     '-include', 'capstone-defs.h'
1746   ]
1747
1748   libcapstone = static_library('capstone',
1749                                build_by_default: false,
1750                                sources: capstone_files,
1751                                c_args: capstone_cargs,
1752                                include_directories: 'capstone/include')
1753   capstone = declare_dependency(link_with: libcapstone,
1754                                 include_directories: 'capstone/include/capstone')
1755 endif
1756
1757 slirp = not_found
1758 slirp_opt = 'disabled'
1759 if have_system
1760   slirp_opt = get_option('slirp')
1761   if slirp_opt in ['enabled', 'auto', 'system']
1762     have_internal = fs.exists(meson.current_source_dir() / 'slirp/meson.build')
1763     slirp = dependency('slirp', kwargs: static_kwargs,
1764                        method: 'pkg-config',
1765                        required: slirp_opt == 'system' or
1766                                  slirp_opt == 'enabled' and not have_internal)
1767     if slirp.found()
1768       slirp_opt = 'system'
1769     elif have_internal
1770       slirp_opt = 'internal'
1771     else
1772       slirp_opt = 'disabled'
1773     endif
1774   endif
1775   if slirp_opt == 'internal'
1776     slirp_deps = []
1777     if targetos == 'windows'
1778       slirp_deps = cc.find_library('iphlpapi')
1779     endif
1780     slirp_conf = configuration_data()
1781     slirp_conf.set('SLIRP_MAJOR_VERSION', meson.project_version().split('.')[0])
1782     slirp_conf.set('SLIRP_MINOR_VERSION', meson.project_version().split('.')[1])
1783     slirp_conf.set('SLIRP_MICRO_VERSION', meson.project_version().split('.')[2])
1784     slirp_conf.set_quoted('SLIRP_VERSION_STRING', meson.project_version())
1785     slirp_cargs = ['-DG_LOG_DOMAIN="Slirp"']
1786     slirp_files = [
1787       'slirp/src/arp_table.c',
1788       'slirp/src/bootp.c',
1789       'slirp/src/cksum.c',
1790       'slirp/src/dhcpv6.c',
1791       'slirp/src/dnssearch.c',
1792       'slirp/src/if.c',
1793       'slirp/src/ip6_icmp.c',
1794       'slirp/src/ip6_input.c',
1795       'slirp/src/ip6_output.c',
1796       'slirp/src/ip_icmp.c',
1797       'slirp/src/ip_input.c',
1798       'slirp/src/ip_output.c',
1799       'slirp/src/mbuf.c',
1800       'slirp/src/misc.c',
1801       'slirp/src/ncsi.c',
1802       'slirp/src/ndp_table.c',
1803       'slirp/src/sbuf.c',
1804       'slirp/src/slirp.c',
1805       'slirp/src/socket.c',
1806       'slirp/src/state.c',
1807       'slirp/src/stream.c',
1808       'slirp/src/tcp_input.c',
1809       'slirp/src/tcp_output.c',
1810       'slirp/src/tcp_subr.c',
1811       'slirp/src/tcp_timer.c',
1812       'slirp/src/tftp.c',
1813       'slirp/src/udp.c',
1814       'slirp/src/udp6.c',
1815       'slirp/src/util.c',
1816       'slirp/src/version.c',
1817       'slirp/src/vmstate.c',
1818     ]
1819
1820     configure_file(
1821       input : 'slirp/src/libslirp-version.h.in',
1822       output : 'libslirp-version.h',
1823       configuration: slirp_conf)
1824
1825     slirp_inc = include_directories('slirp', 'slirp/src')
1826     libslirp = static_library('slirp',
1827                               build_by_default: false,
1828                               sources: slirp_files,
1829                               c_args: slirp_cargs,
1830                               include_directories: slirp_inc)
1831     slirp = declare_dependency(link_with: libslirp,
1832                                dependencies: slirp_deps,
1833                                include_directories: slirp_inc)
1834   endif
1835 endif
1836
1837 # For CFI, we need to compile slirp as a static library together with qemu.
1838 # This is because we register slirp functions as callbacks for QEMU Timers.
1839 # When using a system-wide shared libslirp, the type information for the
1840 # callback is missing and the timer call produces a false positive with CFI.
1841 #
1842 # Now that slirp_opt has been defined, check if the selected slirp is compatible
1843 # with control-flow integrity.
1844 if get_option('cfi') and slirp_opt == 'system'
1845   error('Control-Flow Integrity is not compatible with system-wide slirp.' \
1846          + ' Please configure with --enable-slirp=git')
1847 endif
1848
1849 fdt = not_found
1850 fdt_opt = get_option('fdt')
1851 if have_system
1852   if fdt_opt in ['enabled', 'auto', 'system']
1853     have_internal = fs.exists(meson.current_source_dir() / 'dtc/libfdt/Makefile.libfdt')
1854     fdt = cc.find_library('fdt', kwargs: static_kwargs,
1855                           required: fdt_opt == 'system' or
1856                                     fdt_opt == 'enabled' and not have_internal)
1857     if fdt.found() and cc.links('''
1858        #include <libfdt.h>
1859        #include <libfdt_env.h>
1860        int main(void) { fdt_check_full(NULL, 0); return 0; }''',
1861          dependencies: fdt)
1862       fdt_opt = 'system'
1863     elif have_internal
1864       fdt_opt = 'internal'
1865     else
1866       fdt_opt = 'disabled'
1867     endif
1868   endif
1869   if fdt_opt == 'internal'
1870     fdt_files = files(
1871       'dtc/libfdt/fdt.c',
1872       'dtc/libfdt/fdt_ro.c',
1873       'dtc/libfdt/fdt_wip.c',
1874       'dtc/libfdt/fdt_sw.c',
1875       'dtc/libfdt/fdt_rw.c',
1876       'dtc/libfdt/fdt_strerror.c',
1877       'dtc/libfdt/fdt_empty_tree.c',
1878       'dtc/libfdt/fdt_addresses.c',
1879       'dtc/libfdt/fdt_overlay.c',
1880       'dtc/libfdt/fdt_check.c',
1881     )
1882
1883     fdt_inc = include_directories('dtc/libfdt')
1884     libfdt = static_library('fdt',
1885                             build_by_default: false,
1886                             sources: fdt_files,
1887                             include_directories: fdt_inc)
1888     fdt = declare_dependency(link_with: libfdt,
1889                              include_directories: fdt_inc)
1890   endif
1891 endif
1892 if not fdt.found() and fdt_required.length() > 0
1893   error('fdt not available but required by targets ' + ', '.join(fdt_required))
1894 endif
1895
1896 config_host_data.set('CONFIG_CAPSTONE', capstone.found())
1897 config_host_data.set('CONFIG_FDT', fdt.found())
1898 config_host_data.set('CONFIG_SLIRP', slirp.found())
1899
1900 #####################
1901 # Generated sources #
1902 #####################
1903
1904 genh += configure_file(output: 'config-host.h', configuration: config_host_data)
1905
1906 hxtool = find_program('scripts/hxtool')
1907 shaderinclude = find_program('scripts/shaderinclude.pl')
1908 qapi_gen = find_program('scripts/qapi-gen.py')
1909 qapi_gen_depends = [ meson.source_root() / 'scripts/qapi/__init__.py',
1910                      meson.source_root() / 'scripts/qapi/commands.py',
1911                      meson.source_root() / 'scripts/qapi/common.py',
1912                      meson.source_root() / 'scripts/qapi/error.py',
1913                      meson.source_root() / 'scripts/qapi/events.py',
1914                      meson.source_root() / 'scripts/qapi/expr.py',
1915                      meson.source_root() / 'scripts/qapi/gen.py',
1916                      meson.source_root() / 'scripts/qapi/introspect.py',
1917                      meson.source_root() / 'scripts/qapi/parser.py',
1918                      meson.source_root() / 'scripts/qapi/schema.py',
1919                      meson.source_root() / 'scripts/qapi/source.py',
1920                      meson.source_root() / 'scripts/qapi/types.py',
1921                      meson.source_root() / 'scripts/qapi/visit.py',
1922                      meson.source_root() / 'scripts/qapi/common.py',
1923                      meson.source_root() / 'scripts/qapi-gen.py'
1924 ]
1925
1926 tracetool = [
1927   python, files('scripts/tracetool.py'),
1928    '--backend=' + config_host['TRACE_BACKENDS']
1929 ]
1930 tracetool_depends = files(
1931   'scripts/tracetool/backend/log.py',
1932   'scripts/tracetool/backend/__init__.py',
1933   'scripts/tracetool/backend/dtrace.py',
1934   'scripts/tracetool/backend/ftrace.py',
1935   'scripts/tracetool/backend/simple.py',
1936   'scripts/tracetool/backend/syslog.py',
1937   'scripts/tracetool/backend/ust.py',
1938   'scripts/tracetool/format/tcg_h.py',
1939   'scripts/tracetool/format/ust_events_c.py',
1940   'scripts/tracetool/format/ust_events_h.py',
1941   'scripts/tracetool/format/__init__.py',
1942   'scripts/tracetool/format/d.py',
1943   'scripts/tracetool/format/tcg_helper_c.py',
1944   'scripts/tracetool/format/simpletrace_stap.py',
1945   'scripts/tracetool/format/c.py',
1946   'scripts/tracetool/format/h.py',
1947   'scripts/tracetool/format/tcg_helper_h.py',
1948   'scripts/tracetool/format/log_stap.py',
1949   'scripts/tracetool/format/stap.py',
1950   'scripts/tracetool/format/tcg_helper_wrapper_h.py',
1951   'scripts/tracetool/__init__.py',
1952   'scripts/tracetool/transform.py',
1953   'scripts/tracetool/vcpu.py'
1954 )
1955
1956 qemu_version_cmd = [find_program('scripts/qemu-version.sh'),
1957                     meson.current_source_dir(),
1958                     config_host['PKGVERSION'], meson.project_version()]
1959 qemu_version = custom_target('qemu-version.h',
1960                              output: 'qemu-version.h',
1961                              command: qemu_version_cmd,
1962                              capture: true,
1963                              build_by_default: true,
1964                              build_always_stale: true)
1965 genh += qemu_version
1966
1967 hxdep = []
1968 hx_headers = [
1969   ['qemu-options.hx', 'qemu-options.def'],
1970   ['qemu-img-cmds.hx', 'qemu-img-cmds.h'],
1971 ]
1972 if have_system
1973   hx_headers += [
1974     ['hmp-commands.hx', 'hmp-commands.h'],
1975     ['hmp-commands-info.hx', 'hmp-commands-info.h'],
1976   ]
1977 endif
1978 foreach d : hx_headers
1979   hxdep += custom_target(d[1],
1980                 input: files(d[0]),
1981                 output: d[1],
1982                 capture: true,
1983                 build_by_default: true, # to be removed when added to a target
1984                 command: [hxtool, '-h', '@INPUT0@'])
1985 endforeach
1986 genh += hxdep
1987
1988 ###################
1989 # Collect sources #
1990 ###################
1991
1992 authz_ss = ss.source_set()
1993 blockdev_ss = ss.source_set()
1994 block_ss = ss.source_set()
1995 bsd_user_ss = ss.source_set()
1996 chardev_ss = ss.source_set()
1997 common_ss = ss.source_set()
1998 crypto_ss = ss.source_set()
1999 io_ss = ss.source_set()
2000 linux_user_ss = ss.source_set()
2001 qmp_ss = ss.source_set()
2002 qom_ss = ss.source_set()
2003 softmmu_ss = ss.source_set()
2004 specific_fuzz_ss = ss.source_set()
2005 specific_ss = ss.source_set()
2006 stub_ss = ss.source_set()
2007 trace_ss = ss.source_set()
2008 user_ss = ss.source_set()
2009 util_ss = ss.source_set()
2010
2011 # accel modules
2012 qtest_module_ss = ss.source_set()
2013 tcg_module_ss = ss.source_set()
2014
2015 modules = {}
2016 target_modules = {}
2017 hw_arch = {}
2018 target_arch = {}
2019 target_softmmu_arch = {}
2020 target_user_arch = {}
2021
2022 ###############
2023 # Trace files #
2024 ###############
2025
2026 # TODO: add each directory to the subdirs from its own meson.build, once
2027 # we have those
2028 trace_events_subdirs = [
2029   'crypto',
2030   'qapi',
2031   'qom',
2032   'monitor',
2033   'util',
2034 ]
2035 if have_user
2036   trace_events_subdirs += [ 'linux-user' ]
2037 endif
2038 if have_block
2039   trace_events_subdirs += [
2040     'authz',
2041     'block',
2042     'io',
2043     'nbd',
2044     'scsi',
2045   ]
2046 endif
2047 if have_system
2048   trace_events_subdirs += [
2049     'accel/kvm',
2050     'audio',
2051     'backends',
2052     'backends/tpm',
2053     'chardev',
2054     'ebpf',
2055     'hw/9pfs',
2056     'hw/acpi',
2057     'hw/adc',
2058     'hw/alpha',
2059     'hw/arm',
2060     'hw/audio',
2061     'hw/block',
2062     'hw/block/dataplane',
2063     'hw/char',
2064     'hw/display',
2065     'hw/dma',
2066     'hw/hppa',
2067     'hw/hyperv',
2068     'hw/i2c',
2069     'hw/i386',
2070     'hw/i386/xen',
2071     'hw/ide',
2072     'hw/input',
2073     'hw/intc',
2074     'hw/isa',
2075     'hw/mem',
2076     'hw/mips',
2077     'hw/misc',
2078     'hw/misc/macio',
2079     'hw/net',
2080     'hw/net/can',
2081     'hw/nvme',
2082     'hw/nvram',
2083     'hw/pci',
2084     'hw/pci-host',
2085     'hw/ppc',
2086     'hw/rdma',
2087     'hw/rdma/vmw',
2088     'hw/rtc',
2089     'hw/s390x',
2090     'hw/scsi',
2091     'hw/sd',
2092     'hw/sparc',
2093     'hw/sparc64',
2094     'hw/ssi',
2095     'hw/timer',
2096     'hw/tpm',
2097     'hw/usb',
2098     'hw/vfio',
2099     'hw/virtio',
2100     'hw/watchdog',
2101     'hw/xen',
2102     'hw/gpio',
2103     'migration',
2104     'net',
2105     'softmmu',
2106     'ui',
2107     'hw/remote',
2108   ]
2109 endif
2110 if have_system or have_user
2111   trace_events_subdirs += [
2112     'accel/tcg',
2113     'hw/core',
2114     'target/arm',
2115     'target/hppa',
2116     'target/i386',
2117     'target/i386/kvm',
2118     'target/mips/tcg',
2119     'target/ppc',
2120     'target/riscv',
2121     'target/s390x',
2122     'target/s390x/kvm',
2123     'target/sparc',
2124   ]
2125 endif
2126
2127 vhost_user = not_found
2128 if 'CONFIG_VHOST_USER' in config_host
2129   libvhost_user = subproject('libvhost-user')
2130   vhost_user = libvhost_user.get_variable('vhost_user_dep')
2131 endif
2132
2133 subdir('qapi')
2134 subdir('qobject')
2135 subdir('stubs')
2136 subdir('trace')
2137 subdir('util')
2138 subdir('qom')
2139 subdir('authz')
2140 subdir('crypto')
2141 subdir('ui')
2142
2143
2144 if enable_modules
2145   libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO')
2146   modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO')
2147 endif
2148
2149 stub_ss = stub_ss.apply(config_all, strict: false)
2150
2151 util_ss.add_all(trace_ss)
2152 util_ss = util_ss.apply(config_all, strict: false)
2153 libqemuutil = static_library('qemuutil',
2154                              sources: util_ss.sources() + stub_ss.sources() + genh,
2155                              dependencies: [util_ss.dependencies(), libm, threads, glib, socket, malloc, pixman])
2156 qemuutil = declare_dependency(link_with: libqemuutil,
2157                               sources: genh + version_res)
2158
2159 if have_system or have_user
2160   decodetree = generator(find_program('scripts/decodetree.py'),
2161                          output: 'decode-@BASENAME@.c.inc',
2162                          arguments: ['@INPUT@', '@EXTRA_ARGS@', '-o', '@OUTPUT@'])
2163   subdir('libdecnumber')
2164   subdir('target')
2165 endif
2166
2167 subdir('audio')
2168 subdir('io')
2169 subdir('chardev')
2170 subdir('fsdev')
2171 subdir('dump')
2172
2173 if have_block
2174   block_ss.add(files(
2175     'block.c',
2176     'blockjob.c',
2177     'job.c',
2178     'qemu-io-cmds.c',
2179   ))
2180   block_ss.add(when: 'CONFIG_REPLICATION', if_true: files('replication.c'))
2181
2182   subdir('nbd')
2183   subdir('scsi')
2184   subdir('block')
2185
2186   blockdev_ss.add(files(
2187     'blockdev.c',
2188     'blockdev-nbd.c',
2189     'iothread.c',
2190     'job-qmp.c',
2191   ), gnutls)
2192
2193   # os-posix.c contains POSIX-specific functions used by qemu-storage-daemon,
2194   # os-win32.c does not
2195   blockdev_ss.add(when: 'CONFIG_POSIX', if_true: files('os-posix.c'))
2196   softmmu_ss.add(when: 'CONFIG_WIN32', if_true: [files('os-win32.c')])
2197 endif
2198
2199 common_ss.add(files('cpus-common.c'))
2200
2201 subdir('softmmu')
2202
2203 common_ss.add(capstone)
2204 specific_ss.add(files('cpu.c', 'disas.c', 'gdbstub.c'), capstone)
2205
2206 # Work around a gcc bug/misfeature wherein constant propagation looks
2207 # through an alias:
2208 #   https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99696
2209 # to guess that a const variable is always zero.  Without lto, this is
2210 # impossible, as the alias is restricted to page-vary-common.c.  Indeed,
2211 # without lto, not even the alias is required -- we simply use different
2212 # declarations in different compilation units.
2213 pagevary = files('page-vary-common.c')
2214 if get_option('b_lto')
2215   pagevary_flags = ['-fno-lto']
2216   if get_option('cfi')
2217     pagevary_flags += '-fno-sanitize=cfi-icall'
2218   endif
2219   pagevary = static_library('page-vary-common', sources: pagevary,
2220                             c_args: pagevary_flags)
2221   pagevary = declare_dependency(link_with: pagevary)
2222 endif
2223 common_ss.add(pagevary)
2224 specific_ss.add(files('page-vary.c'))
2225
2226 subdir('backends')
2227 subdir('disas')
2228 subdir('migration')
2229 subdir('monitor')
2230 subdir('net')
2231 subdir('replay')
2232 subdir('semihosting')
2233 subdir('hw')
2234 subdir('tcg')
2235 subdir('fpu')
2236 subdir('accel')
2237 subdir('plugins')
2238 subdir('bsd-user')
2239 subdir('linux-user')
2240 subdir('ebpf')
2241
2242 common_ss.add(libbpf)
2243
2244 bsd_user_ss.add(files('gdbstub.c'))
2245 specific_ss.add_all(when: 'CONFIG_BSD_USER', if_true: bsd_user_ss)
2246
2247 linux_user_ss.add(files('gdbstub.c', 'thunk.c'))
2248 specific_ss.add_all(when: 'CONFIG_LINUX_USER', if_true: linux_user_ss)
2249
2250 # needed for fuzzing binaries
2251 subdir('tests/qtest/libqos')
2252 subdir('tests/qtest/fuzz')
2253
2254 # accel modules
2255 tcg_real_module_ss = ss.source_set()
2256 tcg_real_module_ss.add_all(when: 'CONFIG_TCG_MODULAR', if_true: tcg_module_ss)
2257 specific_ss.add_all(when: 'CONFIG_TCG_BUILTIN', if_true: tcg_module_ss)
2258 target_modules += { 'accel' : { 'qtest': qtest_module_ss,
2259                                 'tcg': tcg_real_module_ss }}
2260
2261 ########################
2262 # Library dependencies #
2263 ########################
2264
2265 modinfo_collect = find_program('scripts/modinfo-collect.py')
2266 modinfo_generate = find_program('scripts/modinfo-generate.py')
2267 modinfo_files = []
2268
2269 block_mods = []
2270 softmmu_mods = []
2271 foreach d, list : modules
2272   foreach m, module_ss : list
2273     if enable_modules and targetos != 'windows'
2274       module_ss = module_ss.apply(config_all, strict: false)
2275       sl = static_library(d + '-' + m, [genh, module_ss.sources()],
2276                           dependencies: [modulecommon, module_ss.dependencies()], pic: true)
2277       if d == 'block'
2278         block_mods += sl
2279       else
2280         softmmu_mods += sl
2281       endif
2282       if module_ss.sources() != []
2283         # FIXME: Should use sl.extract_all_objects(recursive: true) as
2284         # input. Sources can be used multiple times but objects are
2285         # unique when it comes to lookup in compile_commands.json.
2286         # Depnds on a mesion version with
2287         # https://github.com/mesonbuild/meson/pull/8900
2288         modinfo_files += custom_target(d + '-' + m + '.modinfo',
2289                                        output: d + '-' + m + '.modinfo',
2290                                        input: module_ss.sources(),
2291                                        capture: true,
2292                                        command: [modinfo_collect, '@INPUT@'])
2293       endif
2294     else
2295       if d == 'block'
2296         block_ss.add_all(module_ss)
2297       else
2298         softmmu_ss.add_all(module_ss)
2299       endif
2300     endif
2301   endforeach
2302 endforeach
2303
2304 foreach d, list : target_modules
2305   foreach m, module_ss : list
2306     if enable_modules and targetos != 'windows'
2307       foreach target : target_dirs
2308         if target.endswith('-softmmu')
2309           config_target = config_target_mak[target]
2310           config_target += config_host
2311           target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2312           c_args = ['-DNEED_CPU_H',
2313                     '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2314                     '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2315           target_module_ss = module_ss.apply(config_target, strict: false)
2316           if target_module_ss.sources() != []
2317             module_name = d + '-' + m + '-' + config_target['TARGET_NAME']
2318             sl = static_library(module_name,
2319                                 [genh, target_module_ss.sources()],
2320                                 dependencies: [modulecommon, target_module_ss.dependencies()],
2321                                 include_directories: target_inc,
2322                                 c_args: c_args,
2323                                 pic: true)
2324             softmmu_mods += sl
2325             # FIXME: Should use sl.extract_all_objects(recursive: true) too.
2326             modinfo_files += custom_target(module_name + '.modinfo',
2327                                            output: module_name + '.modinfo',
2328                                            input: target_module_ss.sources(),
2329                                            capture: true,
2330                                            command: [modinfo_collect, '--target', target, '@INPUT@'])
2331           endif
2332         endif
2333       endforeach
2334     else
2335       specific_ss.add_all(module_ss)
2336     endif
2337   endforeach
2338 endforeach
2339
2340 if enable_modules
2341   modinfo_src = custom_target('modinfo.c',
2342                               output: 'modinfo.c',
2343                               input: modinfo_files,
2344                               command: [modinfo_generate, '@INPUT@'],
2345                               capture: true)
2346   modinfo_lib = static_library('modinfo', modinfo_src)
2347   modinfo_dep = declare_dependency(link_whole: modinfo_lib)
2348   softmmu_ss.add(modinfo_dep)
2349 endif
2350
2351 nm = find_program('nm')
2352 undefsym = find_program('scripts/undefsym.py')
2353 block_syms = custom_target('block.syms', output: 'block.syms',
2354                              input: [libqemuutil, block_mods],
2355                              capture: true,
2356                              command: [undefsym, nm, '@INPUT@'])
2357 qemu_syms = custom_target('qemu.syms', output: 'qemu.syms',
2358                              input: [libqemuutil, softmmu_mods],
2359                              capture: true,
2360                              command: [undefsym, nm, '@INPUT@'])
2361
2362 qom_ss = qom_ss.apply(config_host, strict: false)
2363 libqom = static_library('qom', qom_ss.sources() + genh,
2364                         dependencies: [qom_ss.dependencies()],
2365                         name_suffix: 'fa')
2366
2367 qom = declare_dependency(link_whole: libqom)
2368
2369 authz_ss = authz_ss.apply(config_host, strict: false)
2370 libauthz = static_library('authz', authz_ss.sources() + genh,
2371                           dependencies: [authz_ss.dependencies()],
2372                           name_suffix: 'fa',
2373                           build_by_default: false)
2374
2375 authz = declare_dependency(link_whole: libauthz,
2376                            dependencies: qom)
2377
2378 crypto_ss = crypto_ss.apply(config_host, strict: false)
2379 libcrypto = static_library('crypto', crypto_ss.sources() + genh,
2380                            dependencies: [crypto_ss.dependencies()],
2381                            name_suffix: 'fa',
2382                            build_by_default: false)
2383
2384 crypto = declare_dependency(link_whole: libcrypto,
2385                             dependencies: [authz, qom])
2386
2387 io_ss = io_ss.apply(config_host, strict: false)
2388 libio = static_library('io', io_ss.sources() + genh,
2389                        dependencies: [io_ss.dependencies()],
2390                        link_with: libqemuutil,
2391                        name_suffix: 'fa',
2392                        build_by_default: false)
2393
2394 io = declare_dependency(link_whole: libio, dependencies: [crypto, qom])
2395
2396 libmigration = static_library('migration', sources: migration_files + genh,
2397                               name_suffix: 'fa',
2398                               build_by_default: false)
2399 migration = declare_dependency(link_with: libmigration,
2400                                dependencies: [zlib, qom, io])
2401 softmmu_ss.add(migration)
2402
2403 block_ss = block_ss.apply(config_host, strict: false)
2404 libblock = static_library('block', block_ss.sources() + genh,
2405                           dependencies: block_ss.dependencies(),
2406                           link_depends: block_syms,
2407                           name_suffix: 'fa',
2408                           build_by_default: false)
2409
2410 block = declare_dependency(link_whole: [libblock],
2411                            link_args: '@block.syms',
2412                            dependencies: [crypto, io])
2413
2414 blockdev_ss = blockdev_ss.apply(config_host, strict: false)
2415 libblockdev = static_library('blockdev', blockdev_ss.sources() + genh,
2416                              dependencies: blockdev_ss.dependencies(),
2417                              name_suffix: 'fa',
2418                              build_by_default: false)
2419
2420 blockdev = declare_dependency(link_whole: [libblockdev],
2421                               dependencies: [block])
2422
2423 qmp_ss = qmp_ss.apply(config_host, strict: false)
2424 libqmp = static_library('qmp', qmp_ss.sources() + genh,
2425                         dependencies: qmp_ss.dependencies(),
2426                         name_suffix: 'fa',
2427                         build_by_default: false)
2428
2429 qmp = declare_dependency(link_whole: [libqmp])
2430
2431 libchardev = static_library('chardev', chardev_ss.sources() + genh,
2432                             name_suffix: 'fa',
2433                             dependencies: [gnutls],
2434                             build_by_default: false)
2435
2436 chardev = declare_dependency(link_whole: libchardev)
2437
2438 libhwcore = static_library('hwcore', sources: hwcore_files + genh,
2439                            name_suffix: 'fa',
2440                            build_by_default: false)
2441 hwcore = declare_dependency(link_whole: libhwcore)
2442 common_ss.add(hwcore)
2443
2444 ###########
2445 # Targets #
2446 ###########
2447
2448 foreach m : block_mods + softmmu_mods
2449   shared_module(m.name(),
2450                 name_prefix: '',
2451                 link_whole: m,
2452                 install: true,
2453                 install_dir: qemu_moddir)
2454 endforeach
2455
2456 softmmu_ss.add(authz, blockdev, chardev, crypto, io, qmp)
2457 common_ss.add(qom, qemuutil)
2458
2459 common_ss.add_all(when: 'CONFIG_SOFTMMU', if_true: [softmmu_ss])
2460 common_ss.add_all(when: 'CONFIG_USER_ONLY', if_true: user_ss)
2461
2462 common_all = common_ss.apply(config_all, strict: false)
2463 common_all = static_library('common',
2464                             build_by_default: false,
2465                             sources: common_all.sources() + genh,
2466                             implicit_include_directories: false,
2467                             dependencies: common_all.dependencies(),
2468                             name_suffix: 'fa')
2469
2470 feature_to_c = find_program('scripts/feature_to_c.sh')
2471
2472 emulators = {}
2473 foreach target : target_dirs
2474   config_target = config_target_mak[target]
2475   target_name = config_target['TARGET_NAME']
2476   arch = config_target['TARGET_BASE_ARCH']
2477   arch_srcs = [config_target_h[target]]
2478   arch_deps = []
2479   c_args = ['-DNEED_CPU_H',
2480             '-DCONFIG_TARGET="@0@-config-target.h"'.format(target),
2481             '-DCONFIG_DEVICES="@0@-config-devices.h"'.format(target)]
2482   link_args = emulator_link_args
2483
2484   config_target += config_host
2485   target_inc = [include_directories('target' / config_target['TARGET_BASE_ARCH'])]
2486   if targetos == 'linux'
2487     target_inc += include_directories('linux-headers', is_system: true)
2488   endif
2489   if target.endswith('-softmmu')
2490     qemu_target_name = 'qemu-system-' + target_name
2491     target_type='system'
2492     t = target_softmmu_arch[arch].apply(config_target, strict: false)
2493     arch_srcs += t.sources()
2494     arch_deps += t.dependencies()
2495
2496     hw_dir = target_name == 'sparc64' ? 'sparc64' : arch
2497     hw = hw_arch[hw_dir].apply(config_target, strict: false)
2498     arch_srcs += hw.sources()
2499     arch_deps += hw.dependencies()
2500
2501     arch_srcs += config_devices_h[target]
2502     link_args += ['@block.syms', '@qemu.syms']
2503   else
2504     abi = config_target['TARGET_ABI_DIR']
2505     target_type='user'
2506     qemu_target_name = 'qemu-' + target_name
2507     if arch in target_user_arch
2508       t = target_user_arch[arch].apply(config_target, strict: false)
2509       arch_srcs += t.sources()
2510       arch_deps += t.dependencies()
2511     endif
2512     if 'CONFIG_LINUX_USER' in config_target
2513       base_dir = 'linux-user'
2514       target_inc += include_directories('linux-user/host/' / config_host['ARCH'])
2515     else
2516       base_dir = 'bsd-user'
2517       target_inc += include_directories('bsd-user/freebsd')
2518     endif
2519     target_inc += include_directories(
2520       base_dir,
2521       base_dir / abi,
2522     )
2523     if 'CONFIG_LINUX_USER' in config_target
2524       dir = base_dir / abi
2525       arch_srcs += files(dir / 'signal.c', dir / 'cpu_loop.c')
2526       if config_target.has_key('TARGET_SYSTBL_ABI')
2527         arch_srcs += \
2528           syscall_nr_generators[abi].process(base_dir / abi / config_target['TARGET_SYSTBL'],
2529                                              extra_args : config_target['TARGET_SYSTBL_ABI'])
2530       endif
2531     endif
2532   endif
2533
2534   if 'TARGET_XML_FILES' in config_target
2535     gdbstub_xml = custom_target(target + '-gdbstub-xml.c',
2536                                 output: target + '-gdbstub-xml.c',
2537                                 input: files(config_target['TARGET_XML_FILES'].split()),
2538                                 command: [feature_to_c, '@INPUT@'],
2539                                 capture: true)
2540     arch_srcs += gdbstub_xml
2541   endif
2542
2543   t = target_arch[arch].apply(config_target, strict: false)
2544   arch_srcs += t.sources()
2545   arch_deps += t.dependencies()
2546
2547   target_common = common_ss.apply(config_target, strict: false)
2548   objects = common_all.extract_objects(target_common.sources())
2549   deps = target_common.dependencies()
2550
2551   target_specific = specific_ss.apply(config_target, strict: false)
2552   arch_srcs += target_specific.sources()
2553   arch_deps += target_specific.dependencies()
2554
2555   lib = static_library('qemu-' + target,
2556                  sources: arch_srcs + genh,
2557                  dependencies: arch_deps,
2558                  objects: objects,
2559                  include_directories: target_inc,
2560                  c_args: c_args,
2561                  build_by_default: false,
2562                  name_suffix: 'fa')
2563
2564   if target.endswith('-softmmu')
2565     execs = [{
2566       'name': 'qemu-system-' + target_name,
2567       'gui': false,
2568       'sources': files('softmmu/main.c'),
2569       'dependencies': []
2570     }]
2571     if targetos == 'windows' and (sdl.found() or gtk.found())
2572       execs += [{
2573         'name': 'qemu-system-' + target_name + 'w',
2574         'gui': true,
2575         'sources': files('softmmu/main.c'),
2576         'dependencies': []
2577       }]
2578     endif
2579     if config_host.has_key('CONFIG_FUZZ')
2580       specific_fuzz = specific_fuzz_ss.apply(config_target, strict: false)
2581       execs += [{
2582         'name': 'qemu-fuzz-' + target_name,
2583         'gui': false,
2584         'sources': specific_fuzz.sources(),
2585         'dependencies': specific_fuzz.dependencies(),
2586       }]
2587     endif
2588   else
2589     execs = [{
2590       'name': 'qemu-' + target_name,
2591       'gui': false,
2592       'sources': [],
2593       'dependencies': []
2594     }]
2595   endif
2596   foreach exe: execs
2597     exe_name = exe['name']
2598     if targetos == 'darwin'
2599       exe_name += '-unsigned'
2600     endif
2601
2602     emulator = executable(exe_name, exe['sources'],
2603                install: true,
2604                c_args: c_args,
2605                dependencies: arch_deps + deps + exe['dependencies'],
2606                objects: lib.extract_all_objects(recursive: true),
2607                link_language: link_language,
2608                link_depends: [block_syms, qemu_syms] + exe.get('link_depends', []),
2609                link_args: link_args,
2610                gui_app: exe['gui'])
2611
2612     if targetos == 'darwin'
2613       icon = 'pc-bios/qemu.rsrc'
2614       build_input = [emulator, files(icon)]
2615       install_input = [
2616         get_option('bindir') / exe_name,
2617         meson.current_source_dir() / icon
2618       ]
2619       if 'CONFIG_HVF' in config_target
2620         entitlements = 'accel/hvf/entitlements.plist'
2621         build_input += files(entitlements)
2622         install_input += meson.current_source_dir() / entitlements
2623       endif
2624
2625       emulators += {exe['name'] : custom_target(exe['name'],
2626                    input: build_input,
2627                    output: exe['name'],
2628                    command: [
2629                      files('scripts/entitlement.sh'),
2630                      '@OUTPUT@',
2631                      '@INPUT@'
2632                    ])
2633       }
2634
2635       meson.add_install_script('scripts/entitlement.sh', '--install',
2636                                get_option('bindir') / exe['name'],
2637                                install_input)
2638     else
2639       emulators += {exe['name']: emulator}
2640     endif
2641
2642     if 'CONFIG_TRACE_SYSTEMTAP' in config_host
2643       foreach stp: [
2644         {'ext': '.stp-build', 'fmt': 'stap', 'bin': meson.current_build_dir() / exe['name'], 'install': false},
2645         {'ext': '.stp', 'fmt': 'stap', 'bin': get_option('prefix') / get_option('bindir') / exe['name'], 'install': true},
2646         {'ext': '-simpletrace.stp', 'fmt': 'simpletrace-stap', 'bin': '', 'install': true},
2647         {'ext': '-log.stp', 'fmt': 'log-stap', 'bin': '', 'install': true},
2648       ]
2649         custom_target(exe['name'] + stp['ext'],
2650                       input: trace_events_all,
2651                       output: exe['name'] + stp['ext'],
2652                       install: stp['install'],
2653                       install_dir: get_option('datadir') / 'systemtap/tapset',
2654                       command: [
2655                         tracetool, '--group=all', '--format=' + stp['fmt'],
2656                         '--binary=' + stp['bin'],
2657                         '--target-name=' + target_name,
2658                         '--target-type=' + target_type,
2659                         '--probe-prefix=qemu.' + target_type + '.' + target_name,
2660                         '@INPUT@', '@OUTPUT@'
2661                       ],
2662                       depend_files: tracetool_depends)
2663       endforeach
2664     endif
2665   endforeach
2666 endforeach
2667
2668 # Other build targets
2669
2670 if 'CONFIG_PLUGIN' in config_host
2671   install_headers('include/qemu/qemu-plugin.h')
2672 endif
2673
2674 if 'CONFIG_GUEST_AGENT' in config_host
2675   subdir('qga')
2676 elif get_option('guest_agent_msi').enabled()
2677   error('Guest agent MSI requested, but the guest agent is not being built')
2678 endif
2679
2680 # Don't build qemu-keymap if xkbcommon is not explicitly enabled
2681 # when we don't build tools or system
2682 if xkbcommon.found()
2683   # used for the update-keymaps target, so include rules even if !have_tools
2684   qemu_keymap = executable('qemu-keymap', files('qemu-keymap.c', 'ui/input-keymap.c') + genh,
2685                            dependencies: [qemuutil, xkbcommon], install: have_tools)
2686 endif
2687
2688 if have_tools
2689   qemu_img = executable('qemu-img', [files('qemu-img.c'), hxdep],
2690              dependencies: [authz, block, crypto, io, qom, qemuutil], install: true)
2691   qemu_io = executable('qemu-io', files('qemu-io.c'),
2692              dependencies: [block, qemuutil], install: true)
2693   qemu_nbd = executable('qemu-nbd', files('qemu-nbd.c'),
2694                dependencies: [blockdev, qemuutil, gnutls], install: true)
2695
2696   subdir('storage-daemon')
2697   subdir('contrib/rdmacm-mux')
2698   subdir('contrib/elf2dmp')
2699
2700   executable('qemu-edid', files('qemu-edid.c', 'hw/display/edid-generate.c'),
2701              dependencies: qemuutil,
2702              install: true)
2703
2704   if 'CONFIG_VHOST_USER' in config_host
2705     subdir('contrib/vhost-user-blk')
2706     subdir('contrib/vhost-user-gpu')
2707     subdir('contrib/vhost-user-input')
2708     subdir('contrib/vhost-user-scsi')
2709   endif
2710
2711   if targetos == 'linux'
2712     executable('qemu-bridge-helper', files('qemu-bridge-helper.c'),
2713                dependencies: [qemuutil, libcap_ng],
2714                install: true,
2715                install_dir: get_option('libexecdir'))
2716
2717     executable('qemu-pr-helper', files('scsi/qemu-pr-helper.c', 'scsi/utils.c'),
2718                dependencies: [authz, crypto, io, qom, qemuutil,
2719                               libcap_ng, mpathpersist],
2720                install: true)
2721   endif
2722
2723   if have_ivshmem
2724     subdir('contrib/ivshmem-client')
2725     subdir('contrib/ivshmem-server')
2726   endif
2727 endif
2728
2729 subdir('scripts')
2730 subdir('tools')
2731 subdir('pc-bios')
2732 subdir('docs')
2733 subdir('tests')
2734 if gtk.found()
2735   subdir('po')
2736 endif
2737
2738 if host_machine.system() == 'windows'
2739   nsis_cmd = [
2740     find_program('scripts/nsis.py'),
2741     '@OUTPUT@',
2742     get_option('prefix'),
2743     meson.current_source_dir(),
2744     host_machine.cpu(),
2745     '--',
2746     '-DDISPLAYVERSION=' + meson.project_version(),
2747   ]
2748   if build_docs
2749     nsis_cmd += '-DCONFIG_DOCUMENTATION=y'
2750   endif
2751   if gtk.found()
2752     nsis_cmd += '-DCONFIG_GTK=y'
2753   endif
2754
2755   nsis = custom_target('nsis',
2756                        output: 'qemu-setup-' + meson.project_version() + '.exe',
2757                        input: files('qemu.nsi'),
2758                        build_always_stale: true,
2759                        command: nsis_cmd + ['@INPUT@'])
2760   alias_target('installer', nsis)
2761 endif
2762
2763 #########################
2764 # Configuration summary #
2765 #########################
2766
2767 # Directories
2768 summary_info = {}
2769 summary_info += {'Install prefix':    get_option('prefix')}
2770 summary_info += {'BIOS directory':    qemu_datadir}
2771 summary_info += {'firmware path':     get_option('qemu_firmwarepath')}
2772 summary_info += {'binary directory':  get_option('bindir')}
2773 summary_info += {'library directory': get_option('libdir')}
2774 summary_info += {'module directory':  qemu_moddir}
2775 summary_info += {'libexec directory': get_option('libexecdir')}
2776 summary_info += {'include directory': get_option('includedir')}
2777 summary_info += {'config directory':  get_option('sysconfdir')}
2778 if targetos != 'windows'
2779   summary_info += {'local state directory': get_option('localstatedir')}
2780   summary_info += {'Manual directory':      get_option('mandir')}
2781 else
2782   summary_info += {'local state directory': 'queried at runtime'}
2783 endif
2784 summary_info += {'Doc directory':     get_option('docdir')}
2785 summary_info += {'Build directory':   meson.current_build_dir()}
2786 summary_info += {'Source path':       meson.current_source_dir()}
2787 summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
2788 summary(summary_info, bool_yn: true, section: 'Directories')
2789
2790 # Host binaries
2791 summary_info = {}
2792 summary_info += {'git':               config_host['GIT']}
2793 summary_info += {'make':              config_host['MAKE']}
2794 summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
2795 summary_info += {'sphinx-build':      sphinx_build.found()}
2796 if config_host.has_key('HAVE_GDB_BIN')
2797   summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
2798 endif
2799 summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
2800 if targetos == 'windows' and config_host.has_key('CONFIG_GUEST_AGENT')
2801   summary_info += {'wixl':            wixl.found() ? wixl.full_path() : false}
2802 endif
2803 if slirp_opt != 'disabled' and 'CONFIG_SLIRP_SMBD' in config_host
2804   summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
2805 endif
2806 summary(summary_info, bool_yn: true, section: 'Host binaries')
2807
2808 # Configurable features
2809 summary_info = {}
2810 summary_info += {'Documentation':     build_docs}
2811 summary_info += {'system-mode emulation': have_system}
2812 summary_info += {'user-mode emulation': have_user}
2813 summary_info += {'block layer':       have_block}
2814 summary_info += {'Install blobs':     get_option('install_blobs')}
2815 summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
2816 if config_host.has_key('CONFIG_MODULES')
2817   summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
2818 endif
2819 summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
2820 summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
2821 if have_system
2822   summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
2823 endif
2824 summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
2825 if config_host['TRACE_BACKENDS'].split().contains('simple')
2826   summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
2827 endif
2828 summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
2829 summary_info += {'vhost-kernel support': config_host.has_key('CONFIG_VHOST_KERNEL')}
2830 summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
2831 summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
2832 summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
2833 summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
2834 summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
2835 summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
2836 summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
2837 summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
2838 summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
2839 summary(summary_info, bool_yn: true, section: 'Configurable features')
2840
2841 # Compilation information
2842 summary_info = {}
2843 summary_info += {'host CPU':          cpu}
2844 summary_info += {'host endianness':   build_machine.endian()}
2845 summary_info += {'C compiler':        ' '.join(meson.get_compiler('c').cmd_array())}
2846 summary_info += {'Host C compiler':   ' '.join(meson.get_compiler('c', native: true).cmd_array())}
2847 if link_language == 'cpp'
2848   summary_info += {'C++ compiler':    ' '.join(meson.get_compiler('cpp').cmd_array())}
2849 else
2850   summary_info += {'C++ compiler':      false}
2851 endif
2852 if targetos == 'darwin'
2853   summary_info += {'Objective-C compiler': ' '.join(meson.get_compiler('objc').cmd_array())}
2854 endif
2855 if targetos == 'windows'
2856   if 'WIN_SDK' in config_host
2857     summary_info += {'Windows SDK':   config_host['WIN_SDK']}
2858   endif
2859 endif
2860 summary_info += {'CFLAGS':            ' '.join(get_option('c_args')
2861                                                + ['-O' + get_option('optimization')]
2862                                                + (get_option('debug') ? ['-g'] : []))}
2863 if link_language == 'cpp'
2864   summary_info += {'CXXFLAGS':        ' '.join(get_option('cpp_args')
2865                                                + ['-O' + get_option('optimization')]
2866                                                + (get_option('debug') ? ['-g'] : []))}
2867 endif
2868 link_args = get_option(link_language + '_link_args')
2869 if link_args.length() > 0
2870   summary_info += {'LDFLAGS':         ' '.join(link_args)}
2871 endif
2872 summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
2873 summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
2874 summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
2875 summary_info += {'link-time optimization (LTO)': get_option('b_lto')}
2876 summary_info += {'PIE':               get_option('b_pie')}
2877 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
2878 summary_info += {'malloc trim support': has_malloc_trim}
2879 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
2880 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
2881 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
2882 summary_info += {'memory allocator':  get_option('malloc')}
2883 summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
2884 summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
2885 summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
2886 summary_info += {'gcov':              get_option('b_coverage')}
2887 summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
2888 summary_info += {'CFI support':       get_option('cfi')}
2889 if get_option('cfi')
2890   summary_info += {'CFI debug support': get_option('cfi_debug')}
2891 endif
2892 summary_info += {'strip binaries':    get_option('strip')}
2893 summary_info += {'sparse':            sparse.found() ? sparse.full_path() : false}
2894 summary_info += {'mingw32 support':   targetos == 'windows'}
2895
2896 # snarf the cross-compilation information for tests
2897 foreach target: target_dirs
2898   tcg_mak = meson.current_build_dir() / 'tests/tcg' / 'config-' + target + '.mak'
2899   if fs.exists(tcg_mak)
2900     config_cross_tcg = keyval.load(tcg_mak)
2901     target = config_cross_tcg['TARGET_NAME']
2902     compiler = ''
2903     if 'DOCKER_CROSS_CC_GUEST' in config_cross_tcg
2904       summary_info += {target + ' tests': config_cross_tcg['DOCKER_CROSS_CC_GUEST'] +
2905                                           ' via ' + config_cross_tcg['DOCKER_IMAGE']}
2906     elif 'CROSS_CC_GUEST' in config_cross_tcg
2907       summary_info += {target + ' tests'
2908                                 : config_cross_tcg['CROSS_CC_GUEST'] }
2909     endif
2910    endif
2911 endforeach
2912
2913 summary(summary_info, bool_yn: true, section: 'Compilation')
2914
2915 # Targets and accelerators
2916 summary_info = {}
2917 if have_system
2918   summary_info += {'KVM support':       config_all.has_key('CONFIG_KVM')}
2919   summary_info += {'HAX support':       config_all.has_key('CONFIG_HAX')}
2920   summary_info += {'HVF support':       config_all.has_key('CONFIG_HVF')}
2921   summary_info += {'WHPX support':      config_all.has_key('CONFIG_WHPX')}
2922   summary_info += {'NVMM support':      config_all.has_key('CONFIG_NVMM')}
2923   summary_info += {'Xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
2924   if config_host.has_key('CONFIG_XEN_BACKEND')
2925     summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
2926   endif
2927 endif
2928 summary_info += {'TCG support':       config_all.has_key('CONFIG_TCG')}
2929 if config_all.has_key('CONFIG_TCG')
2930   if get_option('tcg_interpreter')
2931     summary_info += {'TCG backend':   'TCI (TCG with bytecode interpreter, experimental and slow)'}
2932   else
2933     summary_info += {'TCG backend':   'native (@0@)'.format(cpu)}
2934   endif
2935   summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
2936 endif
2937 summary_info += {'target list':       ' '.join(target_dirs)}
2938 if have_system
2939   summary_info += {'default devices':   get_option('default_devices')}
2940   summary_info += {'out of process emulation': multiprocess_allowed}
2941 endif
2942 summary(summary_info, bool_yn: true, section: 'Targets and accelerators')
2943
2944 # Block layer
2945 summary_info = {}
2946 summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
2947 summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
2948 if have_block
2949   summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
2950   summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
2951   summary_info += {'VirtFS support':    have_virtfs}
2952   summary_info += {'build virtiofs daemon': have_virtiofsd}
2953   summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
2954   summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
2955   summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
2956   summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
2957   summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
2958   summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
2959   summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
2960   summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
2961   summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
2962   summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
2963   summary_info += {'FUSE exports':      fuse.found()}
2964 endif
2965 summary(summary_info, bool_yn: true, section: 'Block layer support')
2966
2967 # Crypto
2968 summary_info = {}
2969 summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
2970 summary_info += {'GNUTLS support':    gnutls.found()}
2971 # TODO: add back version
2972 summary_info += {'libgcrypt':         gcrypt.found()}
2973 if gcrypt.found()
2974    summary_info += {'  XTS':             xts != 'private'}
2975 endif
2976 # TODO: add back version
2977 summary_info += {'nettle':            nettle.found()}
2978 if nettle.found()
2979    summary_info += {'  XTS':             xts != 'private'}
2980 endif
2981 summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
2982 summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
2983 summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
2984 summary(summary_info, bool_yn: true, section: 'Crypto')
2985
2986 # Libraries
2987 summary_info = {}
2988 if targetos == 'darwin'
2989   summary_info += {'Cocoa support':   cocoa.found()}
2990 endif
2991 # TODO: add back version
2992 summary_info += {'SDL support':       sdl.found()}
2993 summary_info += {'SDL image support': sdl_image.found()}
2994 # TODO: add back version
2995 summary_info += {'GTK support':       gtk.found()}
2996 summary_info += {'pixman':            pixman.found()}
2997 # TODO: add back version
2998 summary_info += {'VTE support':       vte.found()}
2999 # TODO: add back version
3000 summary_info += {'slirp support':     slirp_opt == 'disabled' ? false : slirp_opt}
3001 summary_info += {'libtasn1':          tasn1.found()}
3002 summary_info += {'PAM':               pam.found()}
3003 summary_info += {'iconv support':     iconv.found()}
3004 summary_info += {'curses support':    curses.found()}
3005 # TODO: add back version
3006 summary_info += {'virgl support':     virgl.found()}
3007 summary_info += {'curl support':      curl.found()}
3008 summary_info += {'Multipath support': mpathpersist.found()}
3009 summary_info += {'VNC support':       vnc.found()}
3010 if vnc.found()
3011   summary_info += {'VNC SASL support':  sasl.found()}
3012   summary_info += {'VNC JPEG support':  jpeg.found()}
3013   summary_info += {'VNC PNG support':   png.found()}
3014 endif
3015 summary_info += {'brlapi support':    brlapi.found()}
3016 summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
3017 summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
3018 summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
3019 summary_info += {'Linux io_uring support': linux_io_uring.found()}
3020 summary_info += {'ATTR/XATTR support': libattr.found()}
3021 summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
3022 summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
3023 summary_info += {'fdt support':       fdt_opt == 'disabled' ? false : fdt_opt}
3024 summary_info += {'libcap-ng support': libcap_ng.found()}
3025 summary_info += {'bpf support': libbpf.found()}
3026 # TODO: add back protocol and server version
3027 summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
3028 summary_info += {'rbd support':       rbd.found()}
3029 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
3030 summary_info += {'smartcard support': cacard.found()}
3031 summary_info += {'U2F support':       u2f.found()}
3032 summary_info += {'libusb':            libusb.found()}
3033 summary_info += {'usb net redir':     usbredir.found()}
3034 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
3035 summary_info += {'GBM':               config_host.has_key('CONFIG_GBM')}
3036 summary_info += {'libiscsi support':  libiscsi.found()}
3037 summary_info += {'libnfs support':    libnfs.found()}
3038 if targetos == 'windows'
3039   if config_host.has_key('CONFIG_GUEST_AGENT')
3040     summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
3041     summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
3042   endif
3043 endif
3044 summary_info += {'seccomp support':   seccomp.found()}
3045 summary_info += {'GlusterFS support': glusterfs.found()}
3046 summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
3047 summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
3048 summary_info += {'lzo support':       lzo.found()}
3049 summary_info += {'snappy support':    snappy.found()}
3050 summary_info += {'bzip2 support':     libbzip2.found()}
3051 summary_info += {'lzfse support':     liblzfse.found()}
3052 summary_info += {'zstd support':      zstd.found()}
3053 summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
3054 summary_info += {'libxml2':           libxml2.found()}
3055 summary_info += {'capstone':          capstone_opt == 'disabled' ? false : capstone_opt}
3056 summary_info += {'libpmem support':   libpmem.found()}
3057 summary_info += {'libdaxctl support': libdaxctl.found()}
3058 summary_info += {'libudev':           libudev.found()}
3059 summary_info += {'FUSE lseek':        fuse_lseek.found()}
3060 summary(summary_info, bool_yn: true, section: 'Dependencies')
3061
3062 if not supported_cpus.contains(cpu)
3063   message()
3064   warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
3065   message()
3066   message('CPU host architecture ' + cpu + ' support is not currently maintained.')
3067   message('The QEMU project intends to remove support for this host CPU in')
3068   message('a future release if nobody volunteers to maintain it and to')
3069   message('provide a build host for our continuous integration setup.')
3070   message('configure has succeeded and you can continue to build, but')
3071   message('if you care about QEMU on this platform you should contact')
3072   message('us upstream at qemu-devel@nongnu.org.')
3073 endif
3074
3075 if not supported_oses.contains(targetos)
3076   message()
3077   warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
3078   message()
3079   message('Host OS ' + targetos + 'support is not currently maintained.')
3080   message('The QEMU project intends to remove support for this host OS in')
3081   message('a future release if nobody volunteers to maintain it and to')
3082   message('provide a build host for our continuous integration setup.')
3083   message('configure has succeeded and you can continue to build, but')
3084   message('if you care about QEMU on this platform you should contact')
3085   message('us upstream at qemu-devel@nongnu.org.')
3086 endif