meson.build

   1 # Copyright © 2017-2019 Intel Corporation
   2
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to deal
   5 # in the Software without restriction, including without limitation the rights
   6 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 # copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  19 # SOFTWARE.
  20
  21 project(
  22   'mesa',
  23   ['c', 'cpp'],
  24   version : run_command(
  25     [find_program('python', 'python2', 'python3'), 'bin/meson_get_version.py']
  26   ).stdout(),
  27   license : 'MIT',
  28   meson_version : '>= 0.46',
  29   default_options : ['buildtype=debugoptimized', 'b_ndebug=if-release', 'c_std=c99', 'cpp_std=c++14']
  30 )
  31
  32 cc = meson.get_compiler('c')
  33 cpp = meson.get_compiler('cpp')
  34
  35 null_dep = dependency('', required : false)
  36
  37 # Arguments for the preprocessor, put these in a separate array from the C and
  38 # C++ (cpp in meson terminology) arguments since they need to be added to the
  39 # default arguments for both C and C++.
  40 pre_args = [
  41   '-D__STDC_CONSTANT_MACROS',
  42   '-D__STDC_FORMAT_MACROS',
  43   '-D__STDC_LIMIT_MACROS',
  44   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
  45   '-DPACKAGE_BUGREPORT="https://gitlab.freedesktop.org/mesa/mesa/issues"',
  46 ]
  47
  48 with_vulkan_icd_dir = get_option('vulkan-icd-dir')
  49 with_tests = get_option('build-tests')
  50 with_valgrind = get_option('valgrind')
  51 with_libunwind = get_option('libunwind')
  52 with_glx_read_only_text = get_option('glx-read-only-text')
  53 with_glx_direct = get_option('glx-direct')
  54 with_osmesa = get_option('osmesa')
  55 with_swr_arches = get_option('swr-arches')
  56 with_vulkan_overlay_layer = get_option('vulkan-overlay-layer')
  57 with_tools = get_option('tools')
  58 if with_tools.contains('all')
  59   with_tools = [
  60     'drm-shim',
  61     'etnaviv',
  62     'freedreno',
  63     'glsl',
  64     'intel',
  65     'intel-ui',
  66     'lima',
  67     'nir',
  68     'nouveau',
  69     'xvmc',
  70   ]
  71 endif
  72
  73 with_intel_tools = with_tools.contains('intel') or with_tools.contains('intel-ui')
  74 with_imgui = with_intel_tools or with_vulkan_overlay_layer
  75
  76 dri_drivers_path = get_option('dri-drivers-path')
  77 if dri_drivers_path == ''
  78   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  79 endif
  80 dri_search_path = get_option('dri-search-path')
  81 if dri_search_path == ''
  82   dri_search_path = dri_drivers_path
  83 endif
  84
  85 with_gles1 = get_option('gles1')
  86 with_gles2 = get_option('gles2')
  87 if host_machine.system() == 'windows'
  88   if with_gles1 == 'auto'
  89     with_gles1 = 'false'
  90   endif
  91   if with_gles2 == 'auto'
  92     with_gles2 = 'false'
  93   endif
  94 endif
  95 with_opengl = get_option('opengl')
  96
  97 # Default shared glapi off for windows, on elsewhere.
  98 _sg = get_option('shared-glapi')
  99 if _sg == 'auto'
 100   with_shared_glapi = host_machine.system() != 'windows'
 101 else
 102   with_shared_glapi = _sg == 'true'
 103 endif
 104
 105 # shared-glapi is required if at least two OpenGL APIs are being built
 106 if not with_shared_glapi
 107   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 108       (with_gles1 == 'true' and with_opengl) or
 109       (with_gles2 == 'true' and with_opengl))
 110     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 111   endif
 112   with_gles1 = 'false'
 113   with_gles2 = 'false'
 114 endif
 115
 116 # We require OpenGL for OpenGL ES
 117 if not with_opengl
 118   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 119     error('building OpenGL ES without OpenGL is not supported.')
 120   endif
 121   with_gles1 = 'false'
 122   with_gles2 = 'false'
 123 endif
 124
 125 with_gles1 = with_gles1 != 'false'
 126 with_gles2 = with_gles2 != 'false'
 127 with_any_opengl = with_opengl or with_gles1 or with_gles2
 128 # Only build shared_glapi if at least one OpenGL API is enabled
 129 with_shared_glapi = with_shared_glapi and with_any_opengl
 130
 131 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux', 'sunos'].contains(host_machine.system())
 132
 133 dri_drivers = get_option('dri-drivers')
 134 if dri_drivers.contains('auto')
 135   if system_has_kms_drm
 136     # TODO: PPC, Sparc
 137     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 138       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 139     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 140       dri_drivers = []
 141     else
 142       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 143             host_machine.cpu_family()))
 144     endif
 145   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 146     # only swrast would make sense here, but gallium swrast is a much better default
 147     dri_drivers = []
 148   else
 149     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 150           host_machine.system()))
 151   endif
 152 endif
 153
 154 with_dri_i915 = dri_drivers.contains('i915')
 155 with_dri_i965 = dri_drivers.contains('i965')
 156 with_dri_r100 = dri_drivers.contains('r100')
 157 with_dri_r200 = dri_drivers.contains('r200')
 158 with_dri_nouveau = dri_drivers.contains('nouveau')
 159 with_dri_swrast = dri_drivers.contains('swrast')
 160
 161 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 162
 163 gallium_drivers = get_option('gallium-drivers')
 164 if gallium_drivers.contains('auto')
 165   if system_has_kms_drm
 166     # TODO: PPC, Sparc
 167     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast',
 170         'iris'
 171       ]
 172     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 173       gallium_drivers = [
 174         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 175         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 176       ]
 177     else
 178       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 179             host_machine.cpu_family()))
 180     endif
 181   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 182     gallium_drivers = ['swrast']
 183   else
 184     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 185           host_machine.system()))
 186   endif
 187 endif
 188 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 189 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 190 with_gallium_r300 = gallium_drivers.contains('r300')
 191 with_gallium_r600 = gallium_drivers.contains('r600')
 192 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 193 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 194 with_gallium_softpipe = gallium_drivers.contains('swrast')
 195 with_gallium_vc4 = gallium_drivers.contains('vc4')
 196 with_gallium_v3d = gallium_drivers.contains('v3d')
 197 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 198 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 199 with_gallium_tegra = gallium_drivers.contains('tegra')
 200 with_gallium_iris = gallium_drivers.contains('iris')
 201 with_gallium_i915 = gallium_drivers.contains('i915')
 202 with_gallium_svga = gallium_drivers.contains('svga')
 203 with_gallium_virgl = gallium_drivers.contains('virgl')
 204 with_gallium_swr = gallium_drivers.contains('swr')
 205 with_gallium_lima = gallium_drivers.contains('lima')
 206 with_gallium_zink = gallium_drivers.contains('zink')
 207
 208 if cc.get_id().startswith('intel') and meson.version().version_compare('< 0.49.1')
 209   error('Meson does not have sufficient support of ICC before 0.49.1 to compile mesa')
 210 endif
 211
 212 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 213
 214 if with_gallium and system_has_kms_drm
 215   _glx = get_option('glx')
 216   _egl = get_option('egl')
 217   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 218     with_dri = true
 219   endif
 220 endif
 221
 222 _vulkan_drivers = get_option('vulkan-drivers')
 223 if _vulkan_drivers.contains('auto')
 224   if system_has_kms_drm
 225     if host_machine.cpu_family().startswith('x86')
 226       _vulkan_drivers = ['amd', 'intel']
 227     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 228       _vulkan_drivers = []
 229     else
 230       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 231             host_machine.cpu_family()))
 232     endif
 233   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 234     # No vulkan driver supports windows or macOS currently
 235     _vulkan_drivers = []
 236   else
 237     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 238           host_machine.system()))
 239   endif
 240 endif
 241
 242 with_intel_vk = _vulkan_drivers.contains('intel')
 243 with_amd_vk = _vulkan_drivers.contains('amd')
 244 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 245 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 246
 247 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 248   error('Cannot enable freedreno vulkan driver')
 249 endif
 250
 251 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 252   error('Only one swrast provider can be built')
 253 endif
 254 if with_dri_i915 and with_gallium_i915
 255   error('Only one i915 provider can be built')
 256 endif
 257 if with_gallium_kmsro and not (with_gallium_v3d or with_gallium_vc4 or with_gallium_etnaviv or with_gallium_freedreno or with_gallium_panfrost or with_gallium_lima)
 258   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 259 endif
 260 if with_gallium_tegra and not with_gallium_nouveau
 261   error('tegra driver requires nouveau driver')
 262 endif
 263
 264 if host_machine.system() == 'darwin'
 265   with_dri_platform = 'apple'
 266   pre_args += '-DBUILDING_MESA'
 267 elif ['windows', 'cygwin'].contains(host_machine.system())
 268   with_dri_platform = 'windows'
 269 elif system_has_kms_drm
 270   with_dri_platform = 'drm'
 271 else
 272   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 273   # assert here that one of those cases has been met.
 274   # FIXME: illumos ends up here as well
 275   with_dri_platform = 'none'
 276 endif
 277
 278 _platforms = get_option('platforms')
 279 if _platforms.contains('auto')
 280   if system_has_kms_drm
 281     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 282   elif ['darwin', 'cygwin'].contains(host_machine.system())
 283     _platforms = ['x11', 'surfaceless']
 284   elif ['haiku'].contains(host_machine.system())
 285     _platforms = ['haiku']
 286   elif host_machine.system() == 'windows'
 287     _platforms = ['windows']
 288   else
 289     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 290           host_machine.system()))
 291   endif
 292 endif
 293
 294 with_platform_android = _platforms.contains('android')
 295 with_platform_x11 = _platforms.contains('x11')
 296 with_platform_wayland = _platforms.contains('wayland')
 297 with_platform_drm = _platforms.contains('drm')
 298 with_platform_haiku = _platforms.contains('haiku')
 299 with_platform_surfaceless = _platforms.contains('surfaceless')
 300 with_platform_windows = _platforms.contains('windows')
 301
 302 with_platforms = false
 303 if _platforms.length() != 0 and _platforms != ['']
 304   # sanity check that list contains no empty strings
 305   if _platforms.contains('')
 306     error('Invalid argument list given to -Dplatforms, please fix.')
 307   endif
 308   with_platforms = true
 309   egl_native_platform = _platforms[0]
 310 endif
 311
 312 _xlib_lease = get_option('xlib-lease')
 313 if _xlib_lease == 'auto'
 314   with_xlib_lease = with_platform_x11 and with_platform_drm
 315 else
 316   with_xlib_lease = _xlib_lease == 'true'
 317 endif
 318
 319 with_glx = get_option('glx')
 320 if with_glx == 'auto'
 321   if with_dri
 322     with_glx = 'dri'
 323   elif with_platform_haiku
 324     with_glx = 'disabled'
 325   elif host_machine.system() == 'windows'
 326     with_glx = 'disabled'
 327   elif with_gallium
 328     # Even when building just gallium drivers the user probably wants dri
 329     with_glx = 'dri'
 330   elif with_platform_x11 and with_any_opengl and not with_any_vk
 331     # The automatic behavior should not be to turn on xlib based glx when
 332     # building only vulkan drivers
 333     with_glx = 'xlib'
 334   else
 335     with_glx = 'disabled'
 336   endif
 337 endif
 338 if with_glx == 'dri'
 339    if with_gallium
 340       with_dri = true
 341    endif
 342 endif
 343
 344 if not (with_dri or with_gallium or with_glx != 'disabled')
 345   with_gles1 = false
 346   with_gles2 = false
 347   with_opengl = false
 348   with_any_opengl = false
 349   with_shared_glapi = false
 350 endif
 351
 352 _gbm = get_option('gbm')
 353 if _gbm == 'auto'
 354   with_gbm = system_has_kms_drm and with_dri
 355 else
 356   with_gbm = _gbm == 'true'
 357 endif
 358 if with_gbm and not system_has_kms_drm
 359   error('GBM only supports DRM/KMS platforms')
 360 endif
 361
 362 _egl = get_option('egl')
 363 if _egl == 'auto'
 364   with_egl = (
 365     not ['darwin', 'windows'].contains(host_machine.system()) and
 366     with_dri and with_shared_glapi and with_platforms
 367   )
 368 elif _egl == 'true'
 369   if not with_dri
 370     error('EGL requires dri')
 371   elif not with_shared_glapi
 372     error('EGL requires shared-glapi')
 373   elif not with_platforms
 374     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 375   elif not ['disabled', 'dri'].contains(with_glx)
 376     error('EGL requires dri, but a GLX is being built without dri')
 377   elif ['darwin', 'windows'].contains(host_machine.system())
 378     error('EGL is not available on Windows or MacOS')
 379   endif
 380   with_egl = true
 381 else
 382   with_egl = false
 383 endif
 384
 385 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 386   if with_gallium_radeonsi
 387     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 388   endif
 389   if with_gallium_virgl
 390     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 391   endif
 392 endif
 393
 394 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 395 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 396   pre_args += '-DUSE_ELF_TLS'
 397 endif
 398
 399 if with_glx != 'disabled'
 400   if not (with_platform_x11 and with_any_opengl)
 401     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 402   elif with_glx == 'gallium-xlib'
 403     if not with_gallium
 404       error('Gallium-xlib based GLX requires at least one gallium driver')
 405     elif not with_gallium_softpipe
 406       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 407     elif with_dri
 408       error('gallium-xlib conflicts with any dri driver')
 409     endif
 410   elif with_glx == 'xlib'
 411     if with_dri
 412       error('xlib conflicts with any dri driver')
 413     endif
 414   elif with_glx == 'dri'
 415     if not with_shared_glapi
 416       error('dri based GLX requires shared-glapi')
 417     endif
 418   endif
 419 endif
 420
 421 with_glvnd = get_option('glvnd')
 422 if with_glvnd
 423   if with_platform_windows
 424     error('glvnd cannot be used on Windows')
 425   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 426     error('Cannot build glvnd support for GLX that is not DRI based.')
 427   elif with_glx == 'disabled' and not with_egl
 428     error('glvnd requires DRI based GLX and/or EGL')
 429   endif
 430   if get_option('egl-lib-suffix') != ''
 431     error('''EGL lib suffix can't be used with libglvnd''')
 432   endif
 433 endif
 434
 435 if with_vulkan_icd_dir == ''
 436   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 437 endif
 438
 439 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 440   host_machine.system() == 'gnu')
 441 _dri3 = get_option('dri3')
 442 if _dri3 == 'auto'
 443   with_dri3 = system_has_kms_drm and with_dri2
 444 else
 445   with_dri3 = _dri3 == 'true'
 446 endif
 447
 448 if with_any_vk and (with_platform_x11 and not with_dri3)
 449   error('Vulkan drivers require dri3 for X11 support')
 450 endif
 451 if with_dri
 452   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 453     error('building dri drivers require at least one windowing system or classic osmesa')
 454   endif
 455 endif
 456
 457 prog_pkgconfig = find_program('pkg-config')
 458
 459 _vdpau = get_option('gallium-vdpau')
 460 if not system_has_kms_drm
 461   if _vdpau == 'true'
 462     error('VDPAU state tracker can only be build on unix-like OSes.')
 463   else
 464     _vdpau = 'false'
 465   endif
 466 elif not with_platform_x11
 467   if _vdpau == 'true'
 468     error('VDPAU state tracker requires X11 support.')
 469   else
 470     _vdpau = 'false'
 471   endif
 472 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 473           with_gallium_nouveau)
 474   if _vdpau == 'true'
 475     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 476   else
 477     _vdpau = 'false'
 478   endif
 479 endif
 480 dep_vdpau = null_dep
 481 with_gallium_vdpau = false
 482 if _vdpau != 'false'
 483   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 484   if dep_vdpau.found()
 485     dep_vdpau = declare_dependency(
 486       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 487     )
 488     with_gallium_vdpau = true
 489   endif
 490 endif
 491
 492 if with_gallium_vdpau
 493   pre_args += '-DHAVE_ST_VDPAU'
 494 endif
 495 vdpau_drivers_path = get_option('vdpau-libs-path')
 496 if vdpau_drivers_path == ''
 497   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 498 endif
 499
 500 if with_gallium_zink
 501   dep_vulkan = dependency('vulkan')
 502 endif
 503
 504 _xvmc = get_option('gallium-xvmc')
 505 if not system_has_kms_drm
 506   if _xvmc == 'true'
 507     error('XVMC state tracker can only be build on unix-like OSes.')
 508   else
 509     _xvmc = 'false'
 510   endif
 511 elif not with_platform_x11
 512   if _xvmc == 'true'
 513     error('XVMC state tracker requires X11 support.')
 514   else
 515     _xvmc = 'false'
 516   endif
 517 elif not (with_gallium_r600 or with_gallium_nouveau)
 518   if _xvmc == 'true'
 519     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 520   else
 521     _xvmc = 'false'
 522   endif
 523 endif
 524 dep_xvmc = null_dep
 525 dep_xv = null_dep
 526 with_gallium_xvmc = false
 527 if _xvmc != 'false'
 528   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 529   dep_xv = dependency('xv', required : _xvmc == 'true')
 530   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 531 endif
 532
 533 xvmc_drivers_path = get_option('xvmc-libs-path')
 534 if xvmc_drivers_path == ''
 535   xvmc_drivers_path = get_option('libdir')
 536 endif
 537
 538 _omx = get_option('gallium-omx')
 539 if not system_has_kms_drm
 540   if ['auto', 'disabled'].contains(_omx)
 541     _omx = 'disabled'
 542   else
 543     error('OMX state tracker can only be built on unix-like OSes.')
 544   endif
 545 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 546   if ['auto', 'disabled'].contains(_omx)
 547     _omx = 'disabled'
 548   else
 549     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 550   endif
 551 endif
 552 with_gallium_omx = _omx
 553 dep_omx = null_dep
 554 dep_omx_other = []
 555 if ['auto', 'bellagio'].contains(_omx)
 556   dep_omx = dependency(
 557     'libomxil-bellagio', required : _omx == 'bellagio'
 558   )
 559   if dep_omx.found()
 560     with_gallium_omx = 'bellagio'
 561   endif
 562 endif
 563 if ['auto', 'tizonia'].contains(_omx)
 564   if with_dri and with_egl
 565     dep_omx = dependency(
 566       'libtizonia', version : '>= 0.10.0',
 567       required : _omx == 'tizonia',
 568     )
 569     dep_omx_other = [
 570       dependency('libtizplatform', required : _omx == 'tizonia'),
 571       dependency('tizilheaders', required : _omx == 'tizonia'),
 572     ]
 573     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 574       with_gallium_omx = 'tizonia'
 575     endif
 576   elif _omx == 'tizonia'
 577     error('OMX-Tizonia state tracker requires dri and egl')
 578   endif
 579 endif
 580 if _omx == 'auto'
 581   with_gallium_omx = 'disabled'
 582 else
 583   with_gallium_omx = _omx
 584 endif
 585
 586 pre_args += [
 587   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 588   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 589 ]
 590
 591
 592 omx_drivers_path = get_option('omx-libs-path')
 593
 594 if with_gallium_omx != 'disabled'
 595   # Figure out where to put the omx driver.
 596   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 597   # argument to meson's get_pkgconfig_variable method.
 598   if omx_drivers_path == ''
 599     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 600     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 601     if _omx_libdir == get_option('libdir')
 602       omx_drivers_path = _omx_drivers_dir
 603     else
 604       _omx_base_dir = []
 605       # This will fail on windows. Does OMX run on windows?
 606       _omx_libdir = _omx_libdir.split('/')
 607       _omx_drivers_dir = _omx_drivers_dir.split('/')
 608       foreach o : _omx_drivers_dir
 609         if not _omx_libdir.contains(o)
 610           _omx_base_dir += o
 611         endif
 612       endforeach
 613       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 614     endif
 615   endif
 616 endif
 617
 618 _va = get_option('gallium-va')
 619 if not system_has_kms_drm
 620   if _va == 'true'
 621     error('VA state tracker can only be built on unix-like OSes.')
 622   else
 623     _va = 'false'
 624   endif
 625 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 626   if _va == 'true'
 627     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 628   else
 629     _va = 'false'
 630   endif
 631 endif
 632 with_gallium_va = false
 633 dep_va = null_dep
 634 if _va != 'false'
 635   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 636   if dep_va.found()
 637     dep_va_headers = declare_dependency(
 638       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 639     )
 640     with_gallium_va = true
 641   endif
 642 endif
 643
 644 va_drivers_path = get_option('va-libs-path')
 645 if va_drivers_path == ''
 646   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 647 endif
 648
 649 _xa = get_option('gallium-xa')
 650 if not system_has_kms_drm
 651   if _xa == 'true'
 652     error('XA state tracker can only be built on unix-like OSes.')
 653   else
 654     _xa = 'false'
 655   endif
 656 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 657           or with_gallium_svga)
 658   if _xa == 'true'
 659     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 660   else
 661     _xa = 'false'
 662   endif
 663 endif
 664 with_gallium_xa = _xa != 'false'
 665
 666 d3d_drivers_path = get_option('d3d-drivers-path')
 667 if d3d_drivers_path == ''
 668   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 669 endif
 670
 671 with_gallium_st_nine =  get_option('gallium-nine')
 672 if with_gallium_st_nine
 673   if not with_gallium_softpipe
 674     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 675   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 676             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 677             or with_gallium_iris)
 678     error('The nine state tracker requires at least one non-swrast gallium driver.')
 679   endif
 680   if not with_dri3
 681     error('Using nine with wine requires dri3')
 682   endif
 683 endif
 684
 685 if get_option('power8') != 'false'
 686   # on old versions of meson the cpu family would return as ppc64le on little
 687   # endian power8, this was changed in 0.48 such that the family would always
 688   # be ppc64 regardless of endianness, and then the machine.endian() value
 689   # should be checked. Since we support versions < 0.48 we need to use
 690   # startswith.
 691   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 692     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 693       error('Altivec is not supported with gcc version < 4.8.')
 694     endif
 695     if cc.compiles('''
 696         #include <altivec.h>
 697         int main() {
 698           vector unsigned char r;
 699           vector unsigned int v = vec_splat_u32 (1);
 700           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 701           return 0;
 702         }''',
 703         args : '-mpower8-vector',
 704         name : 'POWER8 intrinsics')
 705       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 706     elif get_option('power8') == 'true'
 707       error('POWER8 intrinsic support required but not found.')
 708     endif
 709   endif
 710 endif
 711
 712 _opencl = get_option('gallium-opencl')
 713 clover_cpp_std = []
 714 if _opencl != 'disabled'
 715   if not with_gallium
 716     error('OpenCL Clover implementation requires at least one gallium driver.')
 717   endif
 718
 719   dep_clc = dependency('libclc')
 720   with_gallium_opencl = true
 721   with_opencl_icd = _opencl == 'icd'
 722
 723   with_opencl_spirv = get_option('opencl-spirv')
 724   if with_opencl_spirv
 725     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 726     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 727     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 728   else
 729     dep_spirv_tools = null_dep
 730     dep_llvmspirvlib = null_dep
 731   endif
 732
 733   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 734       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 735       #error "AltiVec not enabled"
 736       #endif''',
 737       name : 'Altivec')
 738     clover_cpp_std += ['cpp_std=gnu++11']
 739   endif
 740 else
 741   dep_clc = null_dep
 742   dep_spirv_tools = null_dep
 743   dep_llvmspirvlib = null_dep
 744   with_gallium_opencl = false
 745   with_opencl_icd = false
 746   with_opencl_spirv = false
 747 endif
 748
 749 gl_pkgconfig_c_flags = []
 750 if with_platform_x11
 751   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 752     pre_args += '-DHAVE_X11_PLATFORM'
 753   endif
 754   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 755     pre_args += '-DUSE_XSHM'
 756   else
 757     pre_args += '-DGLX_INDIRECT_RENDERING'
 758     if with_glx_direct
 759       pre_args += '-DGLX_DIRECT_RENDERING'
 760     endif
 761     if with_dri_platform == 'drm'
 762       pre_args += '-DGLX_USE_DRM'
 763     elif with_dri_platform == 'apple'
 764       pre_args += '-DGLX_USE_APPLEGL'
 765     elif with_dri_platform == 'windows'
 766       pre_args += '-DGLX_USE_WINDOWSGL'
 767     endif
 768   endif
 769 else
 770   pre_args += '-DEGL_NO_X11'
 771   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 772 endif
 773 if with_platform_drm
 774   if with_egl and not with_gbm
 775     error('EGL drm platform requires gbm')
 776   endif
 777   pre_args += '-DHAVE_DRM_PLATFORM'
 778 endif
 779 if with_platform_surfaceless
 780   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 781 endif
 782 if with_platform_android
 783   dep_android = [
 784     dependency('cutils'),
 785     dependency('hardware'),
 786     dependency('sync'),
 787   ]
 788   if get_option('platform-sdk-version') >= 26
 789     dep_android += dependency('nativewindow')
 790   endif
 791   pre_args += '-DHAVE_ANDROID_PLATFORM'
 792 endif
 793 if with_platform_haiku
 794   pre_args += '-DHAVE_HAIKU_PLATFORM'
 795 endif
 796
 797 if meson.version().version_compare('>=0.50')
 798   prog_python = import('python').find_installation('python3')
 799 else
 800   prog_python = import('python3').find_python()
 801 endif
 802 has_mako = run_command(
 803   prog_python, '-c',
 804   '''
 805 from distutils.version import StrictVersion
 806 import mako
 807 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 808   ''')
 809 if has_mako.returncode() != 0
 810   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 811 endif
 812
 813 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 814   error('When using GCC, version 4.4.6 or later is required.')
 815 endif
 816
 817 # Support systems without ETIME (e.g. FreeBSD)
 818 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 819   pre_args += '-DETIME=ETIMEDOUT'
 820 endif
 821
 822 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 823 if get_option('buildtype') == 'debug'
 824   pre_args += '-DDEBUG'
 825 endif
 826
 827 with_shader_cache = false
 828 _shader_cache = get_option('shader-cache')
 829 if _shader_cache != 'false'
 830   if host_machine.system() == 'windows'
 831     if _shader_cache == 'true'
 832       error('Shader Cache does not currently work on Windows')
 833     endif
 834   else
 835     pre_args += '-DENABLE_SHADER_CACHE'
 836     with_shader_cache = true
 837   endif
 838 endif
 839 if with_amd_vk and not with_shader_cache
 840   error('Radv requires shader cache support')
 841 endif
 842
 843 # Check for GCC style builtins
 844 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 845              'ffsll', 'popcount', 'popcountll', 'unreachable']
 846   if cc.has_function(b)
 847     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 848   endif
 849 endforeach
 850
 851 # check for GCC __attribute__
 852 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 853              'warn_unused_result', 'weak',]
 854   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 855                  name : '__attribute__((@0@))'.format(a))
 856     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 857   endif
 858 endforeach
 859 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 860                name : '__attribute__((format(...)))')
 861   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 862 endif
 863 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 864                name : '__attribute__((packed))')
 865   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 866 endif
 867 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 868                name : '__attribute__((returns_nonnull))')
 869   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 870 endif
 871 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 872                   int foo_hid(void) __attribute__((visibility("hidden")));
 873                   int foo_int(void) __attribute__((visibility("internal")));
 874                   int foo_pro(void) __attribute__((visibility("protected")));''',
 875                name : '__attribute__((visibility(...)))')
 876   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 877 endif
 878 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 879                name : '__attribute__((alias(...)))')
 880   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 881 endif
 882 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 883                name : '__attribute__((__noreturn__))')
 884   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 885 endif
 886 if cc.compiles('__uint128_t foo(void) { return 0; }',
 887                name : '__uint128_t')
 888   pre_args += '-DHAVE_UINT128'
 889 endif
 890
 891 # TODO: this is very incomplete
 892 if ['linux', 'cygwin', 'gnu', 'freebsd', 'gnu/kfreebsd'].contains(host_machine.system())
 893   pre_args += '-D_GNU_SOURCE'
 894 elif host_machine.system() == 'sunos'
 895   pre_args += '-D__EXTENSIONS__'
 896 elif host_machine.system() == 'windows'
 897   pre_args += [
 898     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 899     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 900     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 901   ]
 902   if cc.get_id() == 'msvc'
 903     pre_args += [
 904       '-DVC_EXTRALEAN',
 905       '-D_CRT_SECURE_NO_WARNINGS',
 906       '-D_CRT_SECURE_NO_DEPRECATE',
 907       '-D_SCL_SECURE_NO_WARNINGS',
 908       '-D_SCL_SECURE_NO_DEPRECATE',
 909       '-D_ALLOW_KEYWORD_MACROS',
 910       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 911     ]
 912   else
 913     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 914   endif
 915 endif
 916
 917 # Check for generic C arguments
 918 c_args = []
 919 c_vis_args = []
 920 c_msvc_compat_args = []
 921 no_override_init_args = []
 922 cpp_args = []
 923 cpp_vis_args = []
 924 cpp_msvc_compat_args = []
 925 if cc.get_id() == 'msvc'
 926   foreach a : ['/wd4018',  # signed/unsigned mismatch
 927                '/wd4056',  # overflow in floating-point constant arithmetic
 928                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 929                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 930                '/wd4305',  # trancation from 'type1' to 'type2'
 931                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 932                '/wd4756',  # overflow in constant arithmetic
 933                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 934                '/wd4996',  # disabled deprecated POSIX name warnings
 935                '/wd4291']  # no matching operator delete found
 936     if cc.has_argument(a)
 937       c_args += a
 938     endif
 939     if cpp.has_argument(a)
 940       cpp_args += a
 941     endif
 942   endforeach
 943   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 944     c_args += '-Wno-microsoft-enum-value'
 945     cpp_args += '-Wno-microsoft-enum-value'
 946   endif
 947 else
 948   _trial = [
 949     '-Werror=implicit-function-declaration',
 950     '-Werror=missing-prototypes',
 951     '-Werror=return-type',
 952     '-Werror=empty-body',
 953     '-Werror=incompatible-pointer-types',
 954     '-Werror=int-conversion',
 955     '-Wno-missing-field-initializers',
 956     '-Wno-format-truncation',
 957     '-fno-math-errno',
 958     '-fno-trapping-math',
 959     '-Qunused-arguments',
 960   ]
 961   # MinGW chokes on format specifiers and I can't get it all working
 962   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 963     _trial += ['-Werror=format', '-Wformat-security']
 964   endif
 965   foreach a : _trial
 966     if cc.has_argument(a)
 967       c_args += a
 968     endif
 969   endforeach
 970
 971   _trial = [
 972     '-Werror=return-type',
 973     '-Werror=empty-body',
 974     '-Wno-non-virtual-dtor',
 975     '-Wno-missing-field-initializers',
 976     '-Wno-format-truncation',
 977     '-fno-math-errno',
 978     '-fno-trapping-math',
 979     '-Qunused-arguments',
 980   ]
 981   # MinGW chokes on format specifiers and I can't get it all working
 982   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 983     _trial += ['-Werror=format', '-Wformat-security']
 984   endif
 985   foreach a : _trial
 986     if cpp.has_argument(a)
 987       cpp_args += a
 988     endif
 989   endforeach
 990
 991   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 992     if cc.has_argument(a)
 993       no_override_init_args += a
 994     endif
 995   endforeach
 996
 997   if cc.has_argument('-fvisibility=hidden')
 998     c_vis_args += '-fvisibility=hidden'
 999   endif
1000
1001   # Check for C and C++ arguments for MSVC compatibility. These are only used
1002   # in parts of the mesa code base that need to compile with MSVC, mainly
1003   # common code
1004   foreach a : ['-Werror=pointer-arith', '-Werror=vla', '-Werror=gnu-empty-initializer']
1005     if cc.has_argument(a)
1006       c_msvc_compat_args += a
1007     endif
1008     if cpp.has_argument(a)
1009       cpp_msvc_compat_args += a
1010     endif
1011   endforeach
1012
1013   if cpp.has_argument('-fvisibility=hidden')
1014     cpp_vis_args += '-fvisibility=hidden'
1015   endif
1016
1017 endif
1018
1019 # set linker arguments
1020 if host_machine.system() == 'windows'
1021   if cc.get_id() == 'msvc'
1022     add_project_link_arguments(
1023       '/fixed:no',
1024       '/incremental:no',
1025       '/dynamicbase',
1026       '/nxcompat',
1027       language : ['c', 'cpp'],
1028     )
1029   else
1030     add_project_link_arguments(
1031       '-Wl,--nxcompat',
1032       '-Wl,--dynamicbase',
1033       '-static-libgcc',
1034       '-static-libstdc++',
1035       language : ['c', 'cpp'],
1036     )
1037   endif
1038 endif
1039
1040 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1041   pre_args += '-DUSE_SSE41'
1042   with_sse41 = true
1043   sse41_args = ['-msse4.1']
1044
1045   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1046   # that's not guaranteed
1047   if host_machine.cpu_family() == 'x86'
1048     sse41_args += '-mstackrealign'
1049   endif
1050 else
1051   with_sse41 = false
1052   sse41_args = []
1053 endif
1054
1055 # Check for GCC style atomics
1056 dep_atomic = null_dep
1057
1058 if cc.compiles('''#include <stdint.h>
1059                   int main() {
1060                     struct {
1061                       uint64_t *v;
1062                     } x;
1063                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1064                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1065
1066                   }''',
1067                name : 'GCC atomic builtins')
1068   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1069
1070   # Not all atomic calls can be turned into lock-free instructions, in which
1071   # GCC will make calls into the libatomic library. Check whether we need to
1072   # link with -latomic.
1073   #
1074   # This can happen for 64-bit atomic operations on 32-bit architectures such
1075   # as ARM.
1076   if not cc.links('''#include <stdint.h>
1077                      int main() {
1078                        struct {
1079                          uint64_t *v;
1080                        } x;
1081                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1082                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1083                      }''',
1084                   name : 'GCC atomic builtins required -latomic')
1085     dep_atomic = cc.find_library('atomic')
1086   endif
1087 endif
1088 if not cc.links('''#include <stdint.h>
1089                    uint64_t v;
1090                    int main() {
1091                      return __sync_add_and_fetch(&v, (uint64_t)1);
1092                    }''',
1093                 dependencies : dep_atomic,
1094                 name : 'GCC 64bit atomics')
1095   pre_args += '-DMISSING_64BIT_ATOMICS'
1096 endif
1097
1098 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1099
1100 # TODO: shared/static? Is this even worth doing?
1101
1102 with_asm_arch = ''
1103 if host_machine.cpu_family() == 'x86'
1104   if system_has_kms_drm or host_machine.system() == 'gnu'
1105     with_asm_arch = 'x86'
1106     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1107                  '-DUSE_SSE_ASM']
1108
1109     if with_glx_read_only_text
1110       pre_args += ['-DGLX_X86_READONLY_TEXT']
1111     endif
1112   endif
1113 elif host_machine.cpu_family() == 'x86_64'
1114   if system_has_kms_drm
1115     with_asm_arch = 'x86_64'
1116     pre_args += ['-DUSE_X86_64_ASM']
1117   endif
1118 elif host_machine.cpu_family() == 'arm'
1119   if system_has_kms_drm
1120     with_asm_arch = 'arm'
1121     pre_args += ['-DUSE_ARM_ASM']
1122   endif
1123 elif host_machine.cpu_family() == 'aarch64'
1124   if system_has_kms_drm
1125     with_asm_arch = 'aarch64'
1126     pre_args += ['-DUSE_AARCH64_ASM']
1127   endif
1128 elif host_machine.cpu_family() == 'sparc64'
1129   if system_has_kms_drm
1130     with_asm_arch = 'sparc'
1131     pre_args += ['-DUSE_SPARC_ASM']
1132   endif
1133 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1134   if system_has_kms_drm
1135     with_asm_arch = 'ppc64le'
1136     pre_args += ['-DUSE_PPC64LE_ASM']
1137   endif
1138 endif
1139
1140 # Check for standard headers and functions
1141 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1142   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1143   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1144   pre_args += '-DMAJOR_IN_SYSMACROS'
1145 endif
1146 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1147   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1148   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1149   pre_args += '-DMAJOR_IN_MKDEV'
1150 endif
1151
1152 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1153   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1154     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1155   endif
1156 endforeach
1157
1158 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r', 'flock', 'strtok_r']
1159   if cc.has_function(f)
1160     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1161   endif
1162 endforeach
1163
1164 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1165                         args : '-D_GNU_SOURCE')
1166    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1167 elif with_tools.contains('intel')
1168   error('Intel tools require the program_invocation_name variable')
1169 endif
1170
1171 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1172 # This means that this check will succeed, but then compilation will later
1173 # fail. MSVC doesn't have this function at all, so only check for it on
1174 # non-windows platforms.
1175 if host_machine.system() != 'windows'
1176   if cc.has_function('posix_memalign')
1177     pre_args += '-DHAVE_POSIX_MEMALIGN'
1178   endif
1179 endif
1180
1181 # strtod locale support
1182 if cc.links('''
1183     #define _GNU_SOURCE
1184     #include <stdlib.h>
1185     #include <locale.h>
1186     #ifdef HAVE_XLOCALE_H
1187     #include <xlocale.h>
1188     #endif
1189     int main() {
1190       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1191       const char *s = "1.0";
1192       char *end;
1193       double d = strtod_l(s, end, loc);
1194       float f = strtof_l(s, end, loc);
1195       freelocale(loc);
1196       return 0;
1197     }''',
1198     args : pre_args,
1199     name : 'strtod has locale support')
1200   pre_args += '-DHAVE_STRTOD_L'
1201 endif
1202
1203 # Check for some linker flags
1204 ld_args_bsymbolic = []
1205 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1206   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1207 endif
1208 ld_args_gc_sections = []
1209 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1210             args : '-Wl,--gc-sections', name : 'gc-sections')
1211   ld_args_gc_sections += '-Wl,--gc-sections'
1212 endif
1213 with_ld_version_script = false
1214 if cc.links('int main() { return 0; }',
1215             args : '-Wl,--version-script=@0@'.format(
1216               join_paths(meson.source_root(), 'build-support/conftest.map')),
1217             name : 'version-script')
1218   with_ld_version_script = true
1219 endif
1220 with_ld_dynamic_list = false
1221 if cc.links('int main() { return 0; }',
1222             args : '-Wl,--dynamic-list=@0@'.format(
1223               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1224             name : 'dynamic-list')
1225   with_ld_dynamic_list = true
1226 endif
1227
1228 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1229
1230 # check for dl support
1231 dep_dl = null_dep
1232 if not cc.has_function('dlopen')
1233   dep_dl = cc.find_library('dl', required : host_machine.system() != 'windows')
1234 endif
1235 if cc.has_function('dladdr', dependencies : dep_dl)
1236   # This is really only required for megadrivers
1237   pre_args += '-DHAVE_DLADDR'
1238 endif
1239
1240 if cc.has_function('dl_iterate_phdr')
1241   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1242 elif with_intel_vk
1243   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1244 elif with_dri_i965 and with_shader_cache
1245   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1246 endif
1247
1248 # Determine whether or not the rt library is needed for time functions
1249 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1250   dep_clock = null_dep
1251 else
1252   dep_clock = cc.find_library('rt')
1253 endif
1254
1255 # TODO: some of these may be conditional
1256 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1257 pre_args += '-DHAVE_ZLIB'
1258
1259 _zstd = get_option('zstd')
1260 if _zstd != 'false'
1261   dep_zstd = dependency('libzstd', required : _zstd == 'true')
1262   if dep_zstd.found()
1263     pre_args += '-DHAVE_ZSTD'
1264   endif
1265 else
1266   dep_zstd = null_dep
1267 endif
1268
1269 dep_thread = dependency('threads')
1270 if dep_thread.found() and host_machine.system() != 'windows'
1271   pre_args += '-DHAVE_PTHREAD'
1272   if cc.has_function(
1273       'pthread_setaffinity_np',
1274       dependencies : dep_thread,
1275       prefix : '#include <pthread.h>',
1276       args : '-D_GNU_SOURCE')
1277     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1278   endif
1279   if cc.has_function(
1280       'pthread_setaffinity_np',
1281       dependencies : dep_thread,
1282       prefix : '#include <pthread_np.h>')
1283     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1284   endif
1285 endif
1286 if host_machine.system() != 'windows'
1287   dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1288 else
1289   dep_expat = null_dep
1290 endif
1291 # this only exists on linux so either this is linux and it will be found, or
1292 # it's not linux and wont
1293 dep_m = cc.find_library('m', required : false)
1294
1295 # Check for libdrm. Various drivers have different libdrm version requirements,
1296 # but we always want to use the same version for all libdrm modules. That means
1297 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1298 # bar are both on use 2.4.3 for both of them
1299 dep_libdrm_amdgpu = null_dep
1300 dep_libdrm_radeon = null_dep
1301 dep_libdrm_nouveau = null_dep
1302 dep_libdrm_intel = null_dep
1303
1304 _drm_amdgpu_ver = '2.4.100'
1305 _drm_radeon_ver = '2.4.71'
1306 _drm_nouveau_ver = '2.4.66'
1307 _drm_intel_ver = '2.4.75'
1308 _drm_ver = '2.4.81'
1309
1310 _libdrm_checks = [
1311   ['intel', with_dri_i915 or with_gallium_i915],
1312   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1313   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1314               with_gallium_r300 or with_gallium_r600)],
1315   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1316 ]
1317
1318 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1319 # library.
1320 if with_gallium_vc4
1321   _drm_ver = '2.4.89'
1322 endif
1323
1324 # etnaviv only needs core libdrm
1325 if with_gallium_etnaviv
1326   _drm_ver = '2.4.89'
1327 endif
1328
1329 # Loop over the enables versions and get the highest libdrm requirement for all
1330 # active drivers.
1331 _drm_blame = ''
1332 foreach d : _libdrm_checks
1333   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1334   if d[1] and ver.version_compare('>' + _drm_ver)
1335     _drm_ver = ver
1336     _drm_blame = d[0]
1337   endif
1338 endforeach
1339 if _drm_blame != ''
1340   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1341 endif
1342
1343 # Then get each libdrm module
1344 foreach d : _libdrm_checks
1345   if d[1]
1346     set_variable(
1347       'dep_libdrm_' + d[0],
1348       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1349     )
1350   endif
1351 endforeach
1352
1353 with_gallium_drisw_kms = false
1354 dep_libdrm = dependency(
1355   'libdrm', version : '>=' + _drm_ver,
1356   required : with_dri2 or with_dri3
1357 )
1358 if dep_libdrm.found()
1359   pre_args += '-DHAVE_LIBDRM'
1360   if with_dri_platform == 'drm' and with_dri
1361     with_gallium_drisw_kms = true
1362   endif
1363 endif
1364
1365 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit', 'core', 'executionengine', 'scalaropts', 'transformutils', 'instcombine']
1366 llvm_optional_modules = ['coroutines']
1367 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1368   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1369   if with_gallium_r600
1370     llvm_modules += 'asmparser'
1371   endif
1372 endif
1373 if with_gallium_opencl
1374   llvm_modules += [
1375     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1376     'lto', 'option', 'objcarcopts', 'profiledata',
1377   ]
1378 endif
1379
1380 if with_amd_vk or with_gallium_radeonsi
1381   _llvm_version = '>= 8.0.0'
1382 elif with_gallium_swr
1383   _llvm_version = '>= 6.0.0'
1384 else
1385   _llvm_version = '>= 3.9.0'
1386 endif
1387
1388 _shared_llvm = get_option('shared-llvm')
1389 _llvm = get_option('llvm')
1390
1391 # The cmake method will never find libllvm.so|dylib; this is fine for windows
1392 # because llvm doesn't support libllvm.dll
1393 _llvm_method = 'config-tool'
1394 if (meson.version().version_compare('>= 0.51.0') and
1395     host_machine.system() == 'windows')
1396   _llvm_method = 'cmake'
1397 endif
1398
1399 dep_llvm = null_dep
1400 with_llvm = false
1401 if _llvm != 'false'
1402   dep_llvm = dependency(
1403     'llvm',
1404     version : _llvm_version,
1405     modules : llvm_modules,
1406     optional_modules : llvm_optional_modules,
1407     required : (
1408       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1409       with_gallium_opencl or _llvm == 'true'
1410     ),
1411     static : not _shared_llvm,
1412     method : _llvm_method,
1413     fallback : ['llvm', 'dep_llvm'],
1414   )
1415   with_llvm = dep_llvm.found()
1416 endif
1417 if with_llvm
1418   pre_args += '-DLLVM_AVAILABLE'
1419   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1420
1421   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1422   # programs, so we need to build all C++ code in mesa without rtti as well to
1423   # ensure that linking works.
1424   #
1425   # In meson 0.51.0 we can use cmake to find LLVM in addittion to meson's
1426   # builtin llvm-config based finder. A new generic variable getter method
1427   # has also been added, so we'll use that if we can, to cover the cmake case.
1428   if dep_llvm.type_name() == 'internal'
1429     _rtti = subproject('llvm').get_variable('has_rtti', true)
1430   elif meson.version().version_compare('>=0.51')
1431     # The CMake finder will return 'ON', the llvm-config will return 'YES'
1432     _rtti = ['ON', 'YES'].contains(dep_llvm.get_variable(cmake : 'LLVM_ENABLE_RTTI', configtool: 'has-rtti'))
1433   else
1434     _rtti = dep_llvm.get_configtool_variable('has-rtti') == 'YES'
1435   endif
1436   if not _rtti
1437     if with_gallium_nouveau
1438       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1439     elif with_gallium_opencl
1440       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1441     endif
1442     if cc.get_id() == 'msvc'
1443       cpp_args += '/GR-'
1444     else
1445       cpp_args += '-fno-rtti'
1446     endif
1447   endif
1448 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1449   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1450 elif with_gallium_opencl
1451   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1452 endif
1453
1454 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1455     (with_gallium_r600 and with_llvm))
1456   dep_elf = dependency('libelf', required : false)
1457   if not dep_elf.found()
1458     dep_elf = cc.find_library('elf')
1459   endif
1460 else
1461   dep_elf = null_dep
1462 endif
1463
1464 dep_glvnd = null_dep
1465 if with_glvnd
1466   dep_glvnd = dependency('libglvnd', version : '>= 1.2.0')
1467   pre_args += '-DUSE_LIBGLVND=1'
1468 endif
1469
1470 if with_valgrind != 'false'
1471   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1472   if dep_valgrind.found()
1473     pre_args += '-DHAVE_VALGRIND'
1474   endif
1475 else
1476   dep_valgrind = null_dep
1477 endif
1478
1479 # pthread stubs. Lets not and say we didn't
1480
1481 if host_machine.system() == 'windows'
1482   # Prefer the winflexbison versions, they're much easier to install and have
1483   # better windows support.
1484
1485   prog_flex = find_program('win_flex', required : false)
1486   if prog_flex.found()
1487     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1488     # _fileno functions)
1489     prog_flex = [prog_flex, '--wincompat']
1490   else
1491     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1492   endif
1493   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1494   # __STDC__ macro to determine whether it's safe to use const keyword, but
1495   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1496   prog_flex += '-DYY_USE_CONST='
1497
1498   prog_bison = find_program('win_bison', required : false)
1499   if not prog_bison.found()
1500     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1501   endif
1502 else
1503   prog_bison = find_program('bison', required : with_any_opengl)
1504   prog_flex = find_program('flex', required : with_any_opengl)
1505 endif
1506
1507 dep_selinux = null_dep
1508 if get_option('selinux')
1509   dep_selinux = dependency('libselinux')
1510   pre_args += '-DMESA_SELINUX'
1511 endif
1512
1513 if with_libunwind != 'false'
1514   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1515   if dep_unwind.found()
1516     pre_args += '-DHAVE_LIBUNWIND'
1517   endif
1518 else
1519   dep_unwind = null_dep
1520 endif
1521
1522 if with_osmesa != 'none'
1523   if with_osmesa == 'gallium' and not with_gallium_softpipe
1524     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1525   endif
1526   if host_machine.system() == 'windows'
1527     osmesa_lib_name = 'osmesa'
1528   else
1529     osmesa_lib_name = 'OSMesa'
1530   endif
1531   osmesa_bits = get_option('osmesa-bits')
1532   if osmesa_bits != '8'
1533     if with_dri or with_glx != 'disabled'
1534       error('OSMesa bits must be 8 if building glx or dir based drivers')
1535     endif
1536     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1537     pre_args += [
1538       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1539     ]
1540   endif
1541 endif
1542
1543 # TODO: symbol mangling
1544
1545 if with_platform_wayland
1546   dep_wl_scanner = dependency('wayland-scanner', native: true)
1547   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1548   if dep_wl_scanner.version().version_compare('>= 1.15')
1549     wl_scanner_arg = 'private-code'
1550   else
1551     wl_scanner_arg = 'code'
1552   endif
1553   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1554   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1555   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1556   if with_egl
1557     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1558     dep_wayland_egl_headers = declare_dependency(
1559       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1560   endif
1561   wayland_dmabuf_xml = join_paths(
1562     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1563     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1564   )
1565   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1566 endif
1567
1568 dep_x11 = null_dep
1569 dep_xext = null_dep
1570 dep_xdamage = null_dep
1571 dep_xfixes = null_dep
1572 dep_x11_xcb = null_dep
1573 dep_xcb = null_dep
1574 dep_xcb_glx = null_dep
1575 dep_xcb_dri2 = null_dep
1576 dep_xcb_dri3 = null_dep
1577 dep_dri2proto = null_dep
1578 dep_glproto = null_dep
1579 dep_xxf86vm = null_dep
1580 dep_xcb_dri3 = null_dep
1581 dep_xcb_present = null_dep
1582 dep_xcb_sync = null_dep
1583 dep_xcb_xfixes = null_dep
1584 dep_xshmfence = null_dep
1585 dep_xcb_xrandr = null_dep
1586 dep_xlib_xrandr = null_dep
1587 if with_platform_x11
1588   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1589     dep_x11 = dependency('x11')
1590     dep_xext = dependency('xext')
1591     dep_xcb = dependency('xcb')
1592   elif with_glx == 'dri'
1593     dep_x11 = dependency('x11')
1594     dep_xext = dependency('xext')
1595     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1596     dep_xfixes = dependency('xfixes')
1597     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1598   endif
1599   if (with_any_vk or with_glx == 'dri' or with_egl or
1600        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1601         with_gallium_omx != 'disabled'))
1602     dep_xcb = dependency('xcb')
1603     dep_x11_xcb = dependency('x11-xcb')
1604     if with_dri_platform == 'drm' and not dep_libdrm.found()
1605       error('libdrm required for gallium video statetrackers when using x11')
1606     endif
1607   endif
1608   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1609     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1610
1611     if with_dri3
1612       pre_args += '-DHAVE_DRI3'
1613       dep_xcb_dri3 = dependency('xcb-dri3')
1614       dep_xcb_present = dependency('xcb-present')
1615       # until xcb-dri3 has been around long enough to make a hard-dependency:
1616       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1617           dep_xcb_present.version().version_compare('>= 1.13'))
1618         pre_args += '-DHAVE_DRI3_MODIFIERS'
1619       endif
1620       dep_xcb_sync = dependency('xcb-sync')
1621       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1622     endif
1623   endif
1624   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1625     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1626   endif
1627   if with_glx == 'dri'
1628     if with_dri_platform == 'drm'
1629       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1630       dep_xxf86vm = dependency('xxf86vm')
1631     endif
1632   endif
1633   if (with_egl or (
1634       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1635       with_gallium_omx != 'disabled'))
1636     dep_xcb_xfixes = dependency('xcb-xfixes')
1637   endif
1638   if with_xlib_lease
1639     dep_xcb_xrandr = dependency('xcb-randr')
1640     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1641   endif
1642 endif
1643
1644 if get_option('gallium-extra-hud')
1645   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1646 endif
1647
1648 _sensors = get_option('lmsensors')
1649 if _sensors != 'false'
1650   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1651   if dep_lmsensors.found()
1652     pre_args += '-DHAVE_LIBSENSORS=1'
1653   endif
1654 else
1655   dep_lmsensors = null_dep
1656 endif
1657
1658 foreach a : pre_args
1659   add_project_arguments(a, language : ['c', 'cpp'])
1660 endforeach
1661 foreach a : c_args
1662   add_project_arguments(a, language : ['c'])
1663 endforeach
1664 foreach a : cpp_args
1665   add_project_arguments(a, language : ['cpp'])
1666 endforeach
1667
1668 gl_priv_reqs = []
1669
1670 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1671   gl_priv_reqs += ['x11', 'xext', 'xcb']
1672 elif with_glx == 'dri'
1673   gl_priv_reqs += [
1674     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1675     'xcb-glx >= 1.8.1']
1676   if with_dri_platform == 'drm'
1677     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1678     gl_priv_reqs += 'xxf86vm'
1679   endif
1680 endif
1681 if dep_libdrm.found()
1682   gl_priv_reqs += 'libdrm >= 2.4.75'
1683 endif
1684
1685 gl_priv_libs = []
1686 if dep_thread.found()
1687   gl_priv_libs += ['-lpthread', '-pthread']
1688 endif
1689 if dep_m.found()
1690   gl_priv_libs += '-lm'
1691 endif
1692 if dep_dl.found()
1693   gl_priv_libs += '-ldl'
1694 endif
1695
1696 pkg = import('pkgconfig')
1697
1698 if host_machine.system() == 'windows'
1699   prog_dumpbin = find_program('dumpbin', required : false)
1700   with_symbols_check = prog_dumpbin.found() and with_tests
1701   symbols_check_args = ['--dumpbin', prog_dumpbin.path()]
1702 else
1703   prog_nm = find_program('nm')
1704   with_symbols_check = with_tests
1705   symbols_check_args = ['--nm', prog_nm.path()]
1706 endif
1707
1708 # This quirk needs to be applied to sources with functions defined in assembly
1709 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1710 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1711
1712 subdir('include')
1713 subdir('bin')
1714 subdir('src')
1715
1716 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1717 # formatting below unless the first argument is passed as a variable. This has
1718 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1719 # for backwards compatibility.
1720 _with_opengl_string = with_opengl ? 'yes' : 'no'
1721
1722 lines = ['',
1723   'prefix:          ' + get_option('prefix'),
1724   'libdir:          ' + get_option('libdir'),
1725   'includedir:      ' + get_option('includedir'),
1726   '',
1727   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1728                                                     with_gles1 ? 'yes' : 'no',
1729                                                     with_gles2 ? 'yes' : 'no'),
1730 ]
1731
1732 if with_osmesa != 'none'
1733   lines += ''
1734   suffix = ''
1735   if with_osmesa == 'gallium'
1736     suffix = '(Gallium)'
1737   endif
1738   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1739 else
1740   lines += 'OSMesa:          no'
1741 endif
1742
1743 if with_dri
1744   lines += ''
1745   lines += 'DRI platform:    ' + with_dri_platform
1746   if dri_drivers.length() != 0 and dri_drivers != ['']
1747     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1748   else
1749     lines += 'DRI drivers:     no'
1750   endif
1751   lines += 'DRI driver dir:  ' + dri_drivers_path
1752 endif
1753
1754 if with_glx != 'disabled'
1755   lines += ''
1756   if with_glx == 'dri'
1757     lines += 'GLX:             DRI-based'
1758   elif with_glx == 'xlib'
1759     lines += 'GLX:             Xlib-based'
1760   elif with_glx == 'gallium-xlib'
1761     lines += 'GLX:             Xlib-based (Gallium)'
1762   else
1763     lines += 'GLX:             ' + with_glx
1764   endif
1765 endif
1766
1767 lines += ''
1768 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1769 if with_egl
1770   egl_drivers = []
1771   if with_dri
1772     egl_drivers += 'builtin:egl_dri2'
1773   endif
1774   if with_dri3
1775     egl_drivers += 'builtin:egl_dri3'
1776   endif
1777   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1778 endif
1779 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1780 if with_platforms
1781   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1782 endif
1783
1784 lines += ''
1785 if with_any_vk
1786   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1787   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1788 else
1789   lines += 'Vulkan drivers:  no'
1790 endif
1791
1792 lines += ''
1793 if with_llvm
1794   lines += 'llvm:            yes'
1795   lines += 'llvm-version:    ' + dep_llvm.version()
1796 else
1797   lines += 'llvm:            no'
1798 endif
1799
1800 lines += ''
1801 if with_gallium
1802   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1803   gallium_st = ['mesa']
1804   if with_gallium_xa
1805     gallium_st += 'xa'
1806   endif
1807   if with_gallium_xvmc
1808     gallium_st += 'xvmc'
1809   endif
1810   if with_gallium_xvmc
1811     gallium_st += 'xvmc'
1812   endif
1813   if with_gallium_vdpau
1814     gallium_st += 'vdpau'
1815   endif
1816   if with_gallium_omx != 'disabled'
1817     gallium_st += 'omx' + with_gallium_omx
1818   endif
1819   if with_gallium_va
1820     gallium_st += 'va'
1821   endif
1822   if with_gallium_st_nine
1823     gallium_st += 'nine'
1824   endif
1825   if with_gallium_opencl
1826     gallium_st += 'clover'
1827   endif
1828   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1829 else
1830   lines += 'Gallium:         no'
1831 endif
1832
1833 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1834
1835 lines += ''
1836 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1837
1838
1839 indent = '        '
1840 summary = indent + ('\n' + indent).join(lines)
1841 message('Configuration summary:\n@0@\n'.format(summary))