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_tools = get_option('tools')
  57 if with_tools.contains('all')
  58   with_tools = [
  59     'drm-shim',
  60     'etnaviv',
  61     'freedreno',
  62     'glsl',
  63     'intel',
  64     'intel-ui',
  65     'lima',
  66     'nir',
  67     'nouveau',
  68     'xvmc',
  69   ]
  70 endif
  71
  72 dri_drivers_path = get_option('dri-drivers-path')
  73 if dri_drivers_path == ''
  74   dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
  75 endif
  76 dri_search_path = get_option('dri-search-path')
  77 if dri_search_path == ''
  78   dri_search_path = dri_drivers_path
  79 endif
  80
  81 with_gles1 = get_option('gles1')
  82 with_gles2 = get_option('gles2')
  83 if host_machine.system() == 'windows'
  84   if with_gles1 == 'auto'
  85     with_gles1 = 'false'
  86   endif
  87   if with_gles2 == 'auto'
  88     with_gles2 = 'false'
  89   endif
  90 endif
  91 with_opengl = get_option('opengl')
  92
  93 # Default shared glapi off for windows, on elsewhere.
  94 _sg = get_option('shared-glapi')
  95 if _sg == 'auto'
  96   with_shared_glapi = host_machine.system() != 'windows'
  97 else
  98   with_shared_glapi = _sg == 'true'
  99 endif
 100
 101 # shared-glapi is required if at least two OpenGL APIs are being built
 102 if not with_shared_glapi
 103   if ((with_gles1 == 'true' and with_gles2 == 'true') or
 104       (with_gles1 == 'true' and with_opengl) or
 105       (with_gles2 == 'true' and with_opengl))
 106     error('shared-glapi required for building two or more of OpenGL, OpenGL ES 1.x, OpenGL ES 2.x')
 107   endif
 108   with_gles1 = 'false'
 109   with_gles2 = 'false'
 110 endif
 111
 112 # We require OpenGL for OpenGL ES
 113 if not with_opengl
 114   if (with_gles1 == 'true' or with_gles2 == 'true') and not with_opengl
 115     error('building OpenGL ES without OpenGL is not supported.')
 116   endif
 117   with_gles1 = 'false'
 118   with_gles2 = 'false'
 119 endif
 120
 121 with_gles1 = with_gles1 != 'false'
 122 with_gles2 = with_gles2 != 'false'
 123 with_any_opengl = with_opengl or with_gles1 or with_gles2
 124 # Only build shared_glapi if at least one OpenGL API is enabled
 125 with_shared_glapi = with_shared_glapi and with_any_opengl
 126
 127 system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd', 'gnu/kfreebsd', 'dragonfly', 'linux'].contains(host_machine.system())
 128
 129 dri_drivers = get_option('dri-drivers')
 130 if dri_drivers.contains('auto')
 131   if system_has_kms_drm
 132     # TODO: PPC, Sparc
 133     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 134       dri_drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
 135     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 136       dri_drivers = []
 137     else
 138       error('Unknown architecture @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 139             host_machine.cpu_family()))
 140     endif
 141   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 142     # only swrast would make sense here, but gallium swrast is a much better default
 143     dri_drivers = []
 144   else
 145     error('Unknown OS @0@. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 146           host_machine.system()))
 147   endif
 148 endif
 149
 150 with_dri_i915 = dri_drivers.contains('i915')
 151 with_dri_i965 = dri_drivers.contains('i965')
 152 with_dri_r100 = dri_drivers.contains('r100')
 153 with_dri_r200 = dri_drivers.contains('r200')
 154 with_dri_nouveau = dri_drivers.contains('nouveau')
 155 with_dri_swrast = dri_drivers.contains('swrast')
 156
 157 with_dri = dri_drivers.length() != 0 and dri_drivers != ['']
 158
 159 gallium_drivers = get_option('gallium-drivers')
 160 if gallium_drivers.contains('auto')
 161   if system_has_kms_drm
 162     # TODO: PPC, Sparc
 163     if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 164       gallium_drivers = [
 165         'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast'
 166       ]
 167     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 168       gallium_drivers = [
 169         'kmsro', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'nouveau',
 170         'tegra', 'virgl', 'lima', 'panfrost', 'swrast'
 171       ]
 172     else
 173       error('Unknown architecture @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 174             host_machine.cpu_family()))
 175     endif
 176   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 177     gallium_drivers = ['swrast']
 178   else
 179     error('Unknown OS @0@. Please pass -Dgallium-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 180           host_machine.system()))
 181   endif
 182 endif
 183 with_gallium_kmsro = gallium_drivers.contains('kmsro')
 184 with_gallium_radeonsi = gallium_drivers.contains('radeonsi')
 185 with_gallium_r300 = gallium_drivers.contains('r300')
 186 with_gallium_r600 = gallium_drivers.contains('r600')
 187 with_gallium_nouveau = gallium_drivers.contains('nouveau')
 188 with_gallium_freedreno = gallium_drivers.contains('freedreno')
 189 with_gallium_softpipe = gallium_drivers.contains('swrast')
 190 with_gallium_vc4 = gallium_drivers.contains('vc4')
 191 with_gallium_v3d = gallium_drivers.contains('v3d')
 192 with_gallium_panfrost = gallium_drivers.contains('panfrost')
 193 with_gallium_etnaviv = gallium_drivers.contains('etnaviv')
 194 with_gallium_tegra = gallium_drivers.contains('tegra')
 195 with_gallium_iris = gallium_drivers.contains('iris')
 196 with_gallium_i915 = gallium_drivers.contains('i915')
 197 with_gallium_svga = gallium_drivers.contains('svga')
 198 with_gallium_virgl = gallium_drivers.contains('virgl')
 199 with_gallium_swr = gallium_drivers.contains('swr')
 200 with_gallium_lima = gallium_drivers.contains('lima')
 201
 202 if cc.get_id() == 'intel'
 203   if meson.version().version_compare('< 0.49.0')
 204     error('Meson does not have sufficient support of ICC before 0.49.0 to compile mesa')
 205   elif with_gallium_swr and meson.version().version_compare('== 0.49.0')
 206     warning('Meson as of 0.49.0 is sufficient for compiling mesa with ICC, but there are some caveats with SWR. 0.49.1 should resolve all of these')
 207   endif
 208 endif
 209
 210 with_gallium = gallium_drivers.length() != 0 and gallium_drivers != ['']
 211
 212 if with_gallium and system_has_kms_drm
 213   _glx = get_option('glx')
 214   _egl = get_option('egl')
 215   if _glx == 'dri' or _egl == 'true' or (_glx == 'disabled' and _egl != 'false')
 216     with_dri = true
 217   endif
 218 endif
 219
 220 _vulkan_drivers = get_option('vulkan-drivers')
 221 if _vulkan_drivers.contains('auto')
 222   if system_has_kms_drm
 223     if host_machine.cpu_family().startswith('x86')
 224       _vulkan_drivers = ['amd', 'intel']
 225     elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
 226       _vulkan_drivers = []
 227     else
 228       error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 229             host_machine.cpu_family()))
 230     endif
 231   elif ['darwin', 'windows', 'cygwin', 'haiku'].contains(host_machine.system())
 232     # No vulkan driver supports windows or macOS currently
 233     _vulkan_drivers = []
 234   else
 235     error('Unknown OS @0@. Please pass -Dvulkan-drivers to set driver options. Patches gladly accepted to fix this.'.format(
 236           host_machine.system()))
 237   endif
 238 endif
 239
 240 with_intel_vk = _vulkan_drivers.contains('intel')
 241 with_amd_vk = _vulkan_drivers.contains('amd')
 242 with_freedreno_vk = _vulkan_drivers.contains('freedreno')
 243 with_any_vk = _vulkan_drivers.length() != 0 and _vulkan_drivers != ['']
 244
 245 if with_freedreno_vk and get_option('I-love-half-baked-turnips') != true
 246   error('Cannot enable freedreno vulkan driver')
 247 endif
 248
 249 if with_dri_swrast and (with_gallium_softpipe or with_gallium_swr)
 250   error('Only one swrast provider can be built')
 251 endif
 252 if with_dri_i915 and with_gallium_i915
 253   error('Only one i915 provider can be built')
 254 endif
 255 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)
 256   error('kmsro driver requires one or more renderonly drivers (vc4, etnaviv, freedreno, panfrost, lima)')
 257 endif
 258 if with_gallium_tegra and not with_gallium_nouveau
 259   error('tegra driver requires nouveau driver')
 260 endif
 261
 262 if host_machine.system() == 'darwin'
 263   with_dri_platform = 'apple'
 264   pre_args += '-DBUILDING_MESA'
 265 elif ['windows', 'cygwin'].contains(host_machine.system())
 266   with_dri_platform = 'windows'
 267 elif system_has_kms_drm
 268   with_dri_platform = 'drm'
 269 else
 270   # FIXME: haiku doesn't use dri, and xlib doesn't use dri, probably should
 271   # assert here that one of those cases has been met.
 272   # FIXME: illumos ends up here as well
 273   with_dri_platform = 'none'
 274 endif
 275
 276 _platforms = get_option('platforms')
 277 if _platforms.contains('auto')
 278   if system_has_kms_drm
 279     _platforms = ['x11', 'wayland', 'drm', 'surfaceless']
 280   elif ['darwin', 'cygwin'].contains(host_machine.system())
 281     _platforms = ['x11', 'surfaceless']
 282   elif ['haiku'].contains(host_machine.system())
 283     _platforms = ['haiku']
 284   elif host_machine.system() == 'windows'
 285     _platforms = ['windows']
 286   else
 287     error('Unknown OS @0@. Please pass -Dplatforms to set platforms. Patches gladly accepted to fix this.'.format(
 288           host_machine.system()))
 289   endif
 290 endif
 291
 292 with_platform_android = _platforms.contains('android')
 293 with_platform_x11 = _platforms.contains('x11')
 294 with_platform_wayland = _platforms.contains('wayland')
 295 with_platform_drm = _platforms.contains('drm')
 296 with_platform_haiku = _platforms.contains('haiku')
 297 with_platform_surfaceless = _platforms.contains('surfaceless')
 298 with_platform_windows = _platforms.contains('windows')
 299
 300 with_platforms = false
 301 if _platforms.length() != 0 and _platforms != ['']
 302   # sanity check that list contains no empty strings
 303   if _platforms.contains('')
 304     error('Invalid argument list given to -Dplatforms, please fix.')
 305   endif
 306   with_platforms = true
 307   egl_native_platform = _platforms[0]
 308 endif
 309
 310 _xlib_lease = get_option('xlib-lease')
 311 if _xlib_lease == 'auto'
 312   with_xlib_lease = with_platform_x11 and with_platform_drm
 313 else
 314   with_xlib_lease = _xlib_lease == 'true'
 315 endif
 316
 317 with_glx = get_option('glx')
 318 if with_glx == 'auto'
 319   if with_dri
 320     with_glx = 'dri'
 321   elif with_platform_haiku
 322     with_glx = 'disabled'
 323   elif host_machine.system() == 'windows'
 324     with_glx = 'disabled'
 325   elif with_gallium
 326     # Even when building just gallium drivers the user probably wants dri
 327     with_glx = 'dri'
 328   elif with_platform_x11 and with_any_opengl and not with_any_vk
 329     # The automatic behavior should not be to turn on xlib based glx when
 330     # building only vulkan drivers
 331     with_glx = 'xlib'
 332   else
 333     with_glx = 'disabled'
 334   endif
 335 endif
 336 if with_glx == 'dri'
 337    if with_gallium
 338       with_dri = true
 339    endif
 340 endif
 341
 342 if not (with_dri or with_gallium or with_glx != 'disabled')
 343   with_gles1 = false
 344   with_gles2 = false
 345   with_opengl = false
 346   with_any_opengl = false
 347   with_shared_glapi = false
 348 endif
 349
 350 _gbm = get_option('gbm')
 351 if _gbm == 'auto'
 352   with_gbm = system_has_kms_drm and with_dri
 353 else
 354   with_gbm = _gbm == 'true'
 355 endif
 356 if with_gbm and not system_has_kms_drm
 357   error('GBM only supports DRM/KMS platforms')
 358 endif
 359
 360 _egl = get_option('egl')
 361 if _egl == 'auto'
 362   with_egl = (
 363     not ['darwin', 'windows'].contains(host_machine.system()) and
 364     with_dri and with_shared_glapi and with_platforms
 365   )
 366 elif _egl == 'true'
 367   if not with_dri
 368     error('EGL requires dri')
 369   elif not with_shared_glapi
 370     error('EGL requires shared-glapi')
 371   elif not with_platforms
 372     error('No platforms specified, consider -Dplatforms=drm,x11,surfaceless at least')
 373   elif not ['disabled', 'dri'].contains(with_glx)
 374     error('EGL requires dri, but a GLX is being built without dri')
 375   elif ['darwin', 'windows'].contains(host_machine.system())
 376     error('EGL is not available on Windows or MacOS')
 377   endif
 378   with_egl = true
 379 else
 380   with_egl = false
 381 endif
 382
 383 if with_egl and not (with_platform_drm or with_platform_surfaceless or with_platform_android)
 384   if with_gallium_radeonsi
 385     error('RadeonSI requires the drm, surfaceless or android platform when using EGL')
 386   endif
 387   if with_gallium_virgl
 388     error('Virgl requires the drm, surfaceless or android platform when using EGL')
 389   endif
 390 endif
 391
 392 # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
 393 if host_machine.system() != 'windows' and (not with_platform_android or get_option('platform-sdk-version') >= 29)
 394   pre_args += '-DUSE_ELF_TLS'
 395 endif
 396
 397 if with_glx != 'disabled'
 398   if not (with_platform_x11 and with_any_opengl)
 399     error('Cannot build GLX support without X11 platform support and at least one OpenGL API')
 400   elif with_glx == 'gallium-xlib'
 401     if not with_gallium
 402       error('Gallium-xlib based GLX requires at least one gallium driver')
 403     elif not with_gallium_softpipe
 404       error('Gallium-xlib based GLX requires softpipe or llvmpipe.')
 405     elif with_dri
 406       error('gallium-xlib conflicts with any dri driver')
 407     endif
 408   elif with_glx == 'xlib'
 409     if with_dri
 410       error('xlib conflicts with any dri driver')
 411     endif
 412   elif with_glx == 'dri'
 413     if not with_shared_glapi
 414       error('dri based GLX requires shared-glapi')
 415     endif
 416   endif
 417 endif
 418
 419 with_glvnd = get_option('glvnd')
 420 if with_glvnd
 421   if with_platform_windows
 422     error('glvnd cannot be used on Windows')
 423   elif with_glx == 'xlib' or with_glx == 'gallium-xlib'
 424     error('Cannot build glvnd support for GLX that is not DRI based.')
 425   elif with_glx == 'disabled' and not with_egl
 426     error('glvnd requires DRI based GLX and/or EGL')
 427   endif
 428   if get_option('egl-lib-suffix') != ''
 429     error('''EGL lib suffix can't be used with libglvnd''')
 430   endif
 431 endif
 432
 433 if with_vulkan_icd_dir == ''
 434   with_vulkan_icd_dir = join_paths(get_option('datadir'), 'vulkan/icd.d')
 435 endif
 436
 437 with_dri2 = (with_dri or with_any_vk) and (with_dri_platform == 'drm' or
 438   host_machine.system() == 'gnu')
 439 _dri3 = get_option('dri3')
 440 if _dri3 == 'auto'
 441   with_dri3 = system_has_kms_drm and with_dri2
 442 else
 443   with_dri3 = _dri3 == 'true'
 444 endif
 445
 446 if with_any_vk and (with_platform_x11 and not with_dri3)
 447   error('Vulkan drivers require dri3 for X11 support')
 448 endif
 449 if with_dri
 450   if with_glx == 'disabled' and not with_egl and not with_gbm and with_osmesa != 'classic'
 451     error('building dri drivers require at least one windowing system or classic osmesa')
 452   endif
 453 endif
 454
 455 prog_pkgconfig = find_program('pkg-config')
 456
 457 _vdpau = get_option('gallium-vdpau')
 458 if not system_has_kms_drm
 459   if _vdpau == 'true'
 460     error('VDPAU state tracker can only be build on unix-like OSes.')
 461   else
 462     _vdpau = 'false'
 463   endif
 464 elif not with_platform_x11
 465   if _vdpau == 'true'
 466     error('VDPAU state tracker requires X11 support.')
 467   else
 468     _vdpau = 'false'
 469   endif
 470 elif not (with_gallium_r300 or with_gallium_r600 or with_gallium_radeonsi or
 471           with_gallium_nouveau)
 472   if _vdpau == 'true'
 473     error('VDPAU state tracker requires at least one of the following gallium drivers: r300, r600, radeonsi, nouveau.')
 474   else
 475     _vdpau = 'false'
 476   endif
 477 endif
 478 dep_vdpau = null_dep
 479 with_gallium_vdpau = false
 480 if _vdpau != 'false'
 481   dep_vdpau = dependency('vdpau', version : '>= 1.1', required : _vdpau == 'true')
 482   if dep_vdpau.found()
 483     dep_vdpau = declare_dependency(
 484       compile_args : run_command(prog_pkgconfig, ['vdpau', '--cflags']).stdout().split()
 485     )
 486     with_gallium_vdpau = true
 487   endif
 488 endif
 489
 490 if with_gallium_vdpau
 491   pre_args += '-DHAVE_ST_VDPAU'
 492 endif
 493 vdpau_drivers_path = get_option('vdpau-libs-path')
 494 if vdpau_drivers_path == ''
 495   vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
 496 endif
 497
 498 _xvmc = get_option('gallium-xvmc')
 499 if not system_has_kms_drm
 500   if _xvmc == 'true'
 501     error('XVMC state tracker can only be build on unix-like OSes.')
 502   else
 503     _xvmc = 'false'
 504   endif
 505 elif not with_platform_x11
 506   if _xvmc == 'true'
 507     error('XVMC state tracker requires X11 support.')
 508   else
 509     _xvmc = 'false'
 510   endif
 511 elif not (with_gallium_r600 or with_gallium_nouveau)
 512   if _xvmc == 'true'
 513     error('XVMC state tracker requires at least one of the following gallium drivers: r600, nouveau.')
 514   else
 515     _xvmc = 'false'
 516   endif
 517 endif
 518 dep_xvmc = null_dep
 519 dep_xv = null_dep
 520 with_gallium_xvmc = false
 521 if _xvmc != 'false'
 522   dep_xvmc = dependency('xvmc', version : '>= 1.0.6', required : _xvmc == 'true')
 523   dep_xv = dependency('xv', required : _xvmc == 'true')
 524   with_gallium_xvmc = dep_xvmc.found() and dep_xv.found()
 525 endif
 526
 527 xvmc_drivers_path = get_option('xvmc-libs-path')
 528 if xvmc_drivers_path == ''
 529   xvmc_drivers_path = get_option('libdir')
 530 endif
 531
 532 _omx = get_option('gallium-omx')
 533 if not system_has_kms_drm
 534   if ['auto', 'disabled'].contains(_omx)
 535     _omx = 'disabled'
 536   else
 537     error('OMX state tracker can only be built on unix-like OSes.')
 538   endif
 539 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 540   if ['auto', 'disabled'].contains(_omx)
 541     _omx = 'disabled'
 542   else
 543     error('OMX state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 544   endif
 545 endif
 546 with_gallium_omx = _omx
 547 dep_omx = null_dep
 548 dep_omx_other = []
 549 if ['auto', 'bellagio'].contains(_omx)
 550   dep_omx = dependency(
 551     'libomxil-bellagio', required : _omx == 'bellagio'
 552   )
 553   if dep_omx.found()
 554     with_gallium_omx = 'bellagio'
 555   endif
 556 endif
 557 if ['auto', 'tizonia'].contains(_omx)
 558   if with_dri and with_egl
 559     dep_omx = dependency(
 560       'libtizonia', version : '>= 0.10.0',
 561       required : _omx == 'tizonia',
 562     )
 563     dep_omx_other = [
 564       dependency('libtizplatform', required : _omx == 'tizonia'),
 565       dependency('tizilheaders', required : _omx == 'tizonia'),
 566     ]
 567     if dep_omx.found() and dep_omx_other[0].found() and dep_omx_other[1].found()
 568       with_gallium_omx = 'tizonia'
 569     endif
 570   elif _omx == 'tizonia'
 571     error('OMX-Tizonia state tracker requires dri and egl')
 572   endif
 573 endif
 574 if _omx == 'auto'
 575   with_gallium_omx = 'disabled'
 576 else
 577   with_gallium_omx = _omx
 578 endif
 579
 580 pre_args += [
 581   '-DENABLE_ST_OMX_BELLAGIO=' + (with_gallium_omx == 'bellagio' ? '1' : '0'),
 582   '-DENABLE_ST_OMX_TIZONIA=' + (with_gallium_omx == 'tizonia' ? '1' : '0'),
 583 ]
 584
 585
 586 omx_drivers_path = get_option('omx-libs-path')
 587
 588 if with_gallium_omx != 'disabled'
 589   # Figure out where to put the omx driver.
 590   # FIXME: this could all be vastly simplified by adding a 'defined_variable'
 591   # argument to meson's get_pkgconfig_variable method.
 592   if omx_drivers_path == ''
 593     _omx_libdir = dep_omx.get_pkgconfig_variable('libdir')
 594     _omx_drivers_dir = dep_omx.get_pkgconfig_variable('pluginsdir')
 595     if _omx_libdir == get_option('libdir')
 596       omx_drivers_path = _omx_drivers_dir
 597     else
 598       _omx_base_dir = []
 599       # This will fail on windows. Does OMX run on windows?
 600       _omx_libdir = _omx_libdir.split('/')
 601       _omx_drivers_dir = _omx_drivers_dir.split('/')
 602       foreach o : _omx_drivers_dir
 603         if not _omx_libdir.contains(o)
 604           _omx_base_dir += o
 605         endif
 606       endforeach
 607       omx_drivers_path = join_paths(get_option('libdir'), _omx_base_dir)
 608     endif
 609   endif
 610 endif
 611
 612 _va = get_option('gallium-va')
 613 if not system_has_kms_drm
 614   if _va == 'true'
 615     error('VA state tracker can only be built on unix-like OSes.')
 616   else
 617     _va = 'false'
 618   endif
 619 elif not (with_gallium_r600 or with_gallium_radeonsi or with_gallium_nouveau)
 620   if _va == 'true'
 621     error('VA state tracker requires at least one of the following gallium drivers: r600, radeonsi, nouveau.')
 622   else
 623     _va = 'false'
 624   endif
 625 endif
 626 with_gallium_va = false
 627 dep_va = null_dep
 628 if _va != 'false'
 629   dep_va = dependency('libva', version : '>= 0.38.0', required : _va == 'true')
 630   if dep_va.found()
 631     dep_va_headers = declare_dependency(
 632       compile_args : run_command(prog_pkgconfig, ['libva', '--cflags']).stdout().split()
 633     )
 634     with_gallium_va = true
 635   endif
 636 endif
 637
 638 va_drivers_path = get_option('va-libs-path')
 639 if va_drivers_path == ''
 640   va_drivers_path = join_paths(get_option('libdir'), 'dri')
 641 endif
 642
 643 _xa = get_option('gallium-xa')
 644 if not system_has_kms_drm
 645   if _xa == 'true'
 646     error('XA state tracker can only be built on unix-like OSes.')
 647   else
 648     _xa = 'false'
 649   endif
 650 elif not (with_gallium_nouveau or with_gallium_freedreno or with_gallium_i915
 651           or with_gallium_svga)
 652   if _xa == 'true'
 653     error('XA state tracker requires at least one of the following gallium drivers: nouveau, freedreno, i915, svga.')
 654   else
 655     _xa = 'false'
 656   endif
 657 endif
 658 with_gallium_xa = _xa != 'false'
 659
 660 d3d_drivers_path = get_option('d3d-drivers-path')
 661 if d3d_drivers_path == ''
 662   d3d_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'd3d')
 663 endif
 664
 665 with_gallium_st_nine =  get_option('gallium-nine')
 666 if with_gallium_st_nine
 667   if not with_gallium_softpipe
 668     error('The nine state tracker requires gallium softpipe/llvmpipe.')
 669   elif not (with_gallium_radeonsi or with_gallium_nouveau or with_gallium_r600
 670             or with_gallium_r300 or with_gallium_svga or with_gallium_i915
 671             or with_gallium_iris)
 672     error('The nine state tracker requires at least one non-swrast gallium driver.')
 673   endif
 674   if not with_dri3
 675     error('Using nine with wine requires dri3')
 676   endif
 677 endif
 678
 679 if get_option('power8') != 'false'
 680   # on old versions of meson the cpu family would return as ppc64le on little
 681   # endian power8, this was changed in 0.48 such that the family would always
 682   # be ppc64 regardless of endianness, and then the machine.endian() value
 683   # should be checked. Since we support versions < 0.48 we need to use
 684   # startswith.
 685   if host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
 686     if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.8')
 687       error('Altivec is not supported with gcc version < 4.8.')
 688     endif
 689     if cc.compiles('''
 690         #include <altivec.h>
 691         int main() {
 692           vector unsigned char r;
 693           vector unsigned int v = vec_splat_u32 (1);
 694           r = __builtin_vec_vgbbd ((vector unsigned char) v);
 695           return 0;
 696         }''',
 697         args : '-mpower8-vector',
 698         name : 'POWER8 intrinsics')
 699       pre_args += ['-D_ARCH_PWR8', '-mpower8-vector']
 700     elif get_option('power8') == 'true'
 701       error('POWER8 intrinsic support required but not found.')
 702     endif
 703   endif
 704 endif
 705
 706 _opencl = get_option('gallium-opencl')
 707 clover_cpp_std = []
 708 if _opencl != 'disabled'
 709   if not with_gallium
 710     error('OpenCL Clover implementation requires at least one gallium driver.')
 711   endif
 712
 713   dep_clc = dependency('libclc')
 714   with_gallium_opencl = true
 715   with_opencl_icd = _opencl == 'icd'
 716
 717   with_opencl_spirv = get_option('opencl-spirv')
 718   if with_opencl_spirv
 719     dep_spirv_tools = dependency('SPIRV-Tools', required : true, version : '>= 2018.0')
 720     # LLVMSPIRVLib is available at https://github.com/KhronosGroup/SPIRV-LLVM-Translator
 721     dep_llvmspirvlib = dependency('LLVMSPIRVLib', required : true, version : '>= 0.2.1')
 722   else
 723     dep_spirv_tools = null_dep
 724     dep_llvmspirvlib = null_dep
 725   endif
 726
 727   if host_machine.cpu_family().startswith('ppc') and cpp.compiles('''
 728       #if !defined(__VEC__) || !defined(__ALTIVEC__)
 729       #error "AltiVec not enabled"
 730       #endif''',
 731       name : 'Altivec')
 732     clover_cpp_std += ['cpp_std=gnu++11']
 733   endif
 734 else
 735   dep_clc = null_dep
 736   dep_spirv_tools = null_dep
 737   dep_llvmspirvlib = null_dep
 738   with_gallium_opencl = false
 739   with_opencl_icd = false
 740   with_opencl_spirv = false
 741 endif
 742
 743 gl_pkgconfig_c_flags = []
 744 if with_platform_x11
 745   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
 746     pre_args += '-DHAVE_X11_PLATFORM'
 747   endif
 748   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
 749     pre_args += '-DUSE_XSHM'
 750   else
 751     pre_args += '-DGLX_INDIRECT_RENDERING'
 752     if with_glx_direct
 753       pre_args += '-DGLX_DIRECT_RENDERING'
 754     endif
 755     if with_dri_platform == 'drm'
 756       pre_args += '-DGLX_USE_DRM'
 757     elif with_dri_platform == 'apple'
 758       pre_args += '-DGLX_USE_APPLEGL'
 759     elif with_dri_platform == 'windows'
 760       pre_args += '-DGLX_USE_WINDOWSGL'
 761     endif
 762   endif
 763 else
 764   pre_args += '-DEGL_NO_X11'
 765   gl_pkgconfig_c_flags += '-DEGL_NO_X11'
 766 endif
 767 if with_platform_drm
 768   if with_egl and not with_gbm
 769     error('EGL drm platform requires gbm')
 770   endif
 771   pre_args += '-DHAVE_DRM_PLATFORM'
 772 endif
 773 if with_platform_surfaceless
 774   pre_args += '-DHAVE_SURFACELESS_PLATFORM'
 775 endif
 776 if with_platform_android
 777   dep_android = [
 778     dependency('cutils'),
 779     dependency('hardware'),
 780     dependency('sync'),
 781   ]
 782   if get_option('platform-sdk-version') >= 26
 783     dep_android += dependency('nativewindow')
 784   endif
 785   pre_args += '-DHAVE_ANDROID_PLATFORM'
 786 endif
 787 if with_platform_haiku
 788   pre_args += '-DHAVE_HAIKU_PLATFORM'
 789 endif
 790
 791 if meson.version().version_compare('>=0.50')
 792   prog_python = import('python').find_installation('python3')
 793 else
 794   prog_python = import('python3').find_python()
 795 endif
 796 has_mako = run_command(
 797   prog_python, '-c',
 798   '''
 799 from distutils.version import StrictVersion
 800 import mako
 801 assert StrictVersion(mako.__version__) > StrictVersion("0.8.0")
 802   ''')
 803 if has_mako.returncode() != 0
 804   error('Python (3.x) mako module >= 0.8.0 required to build mesa.')
 805 endif
 806
 807 if cc.get_id() == 'gcc' and cc.version().version_compare('< 4.4.6')
 808   error('When using GCC, version 4.4.6 or later is required.')
 809 endif
 810
 811 # Support systems without ETIME (e.g. FreeBSD)
 812 if cc.get_define('ETIME', prefix : '#include <errno.h>') == ''
 813   pre_args += '-DETIME=ETIMEDOUT'
 814 endif
 815
 816 # Define DEBUG for debug builds only (debugoptimized is not included on this one)
 817 if get_option('buildtype') == 'debug'
 818   pre_args += '-DDEBUG'
 819 endif
 820
 821 with_shader_cache = false
 822 _shader_cache = get_option('shader-cache')
 823 if _shader_cache != 'false'
 824   if host_machine.system() == 'windows'
 825     if _shader_cache == 'true'
 826       error('Shader Cache does not currently work on Windows')
 827     endif
 828   else
 829     pre_args += '-DENABLE_SHADER_CACHE'
 830     with_shader_cache = true
 831   endif
 832 endif
 833 if with_amd_vk and not with_shader_cache
 834   error('Radv requires shader cache support')
 835 endif
 836
 837 # Check for GCC style builtins
 838 foreach b : ['bswap32', 'bswap64', 'clz', 'clzll', 'ctz', 'expect', 'ffs',
 839              'ffsll', 'popcount', 'popcountll', 'unreachable']
 840   if cc.has_function(b)
 841     pre_args += '-DHAVE___BUILTIN_@0@'.format(b.to_upper())
 842   endif
 843 endforeach
 844
 845 # check for GCC __attribute__
 846 foreach a : ['const', 'flatten', 'malloc', 'pure', 'unused',
 847              'warn_unused_result', 'weak',]
 848   if cc.compiles('int foo(void) __attribute__((@0@));'.format(a),
 849                  name : '__attribute__((@0@))'.format(a))
 850     pre_args += '-DHAVE_FUNC_ATTRIBUTE_@0@'.format(a.to_upper())
 851   endif
 852 endforeach
 853 if cc.compiles('int foo(const char *p, ...) __attribute__((format(printf, 1, 2)));',
 854                name : '__attribute__((format(...)))')
 855   pre_args += '-DHAVE_FUNC_ATTRIBUTE_FORMAT'
 856 endif
 857 if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
 858                name : '__attribute__((packed))')
 859   pre_args += '-DHAVE_FUNC_ATTRIBUTE_PACKED'
 860 endif
 861 if cc.compiles('int *foo(void) __attribute__((returns_nonnull));',
 862                name : '__attribute__((returns_nonnull))')
 863   pre_args += '-DHAVE_FUNC_ATTRIBUTE_RETURNS_NONNULL'
 864 endif
 865 if cc.compiles('''int foo_def(void) __attribute__((visibility("default")));
 866                   int foo_hid(void) __attribute__((visibility("hidden")));
 867                   int foo_int(void) __attribute__((visibility("internal")));
 868                   int foo_pro(void) __attribute__((visibility("protected")));''',
 869                name : '__attribute__((visibility(...)))')
 870   pre_args += '-DHAVE_FUNC_ATTRIBUTE_VISIBILITY'
 871 endif
 872 if cc.compiles('int foo(void) { return 0; } int bar(void) __attribute__((alias("foo")));',
 873                name : '__attribute__((alias(...)))')
 874   pre_args += '-DHAVE_FUNC_ATTRIBUTE_ALIAS'
 875 endif
 876 if cc.compiles('int foo(void) __attribute__((__noreturn__));',
 877                name : '__attribute__((__noreturn__))')
 878   pre_args += '-DHAVE_FUNC_ATTRIBUTE_NORETURN'
 879 endif
 880 if cc.compiles('__uint128_t foo(void) { return 0; }',
 881                name : '__uint128_t')
 882   pre_args += '-DHAVE_UINT128'
 883 endif
 884
 885 # TODO: this is very incomplete
 886 if ['linux', 'cygwin', 'gnu', 'gnu/kfreebsd'].contains(host_machine.system())
 887   pre_args += '-D_GNU_SOURCE'
 888 elif host_machine.system() == 'windows'
 889   pre_args += [
 890     '-D_WINDOWS', '-D_WIN32_WINNT=0x0601', '-D_WINVER=0x0601',
 891     '-DPIPE_SUBSYSTEM_WINDOWS_USER',
 892     '-D_USE_MATH_DEFINES',  # XXX: scons doesn't use this for mingw
 893   ]
 894   if cc.get_id() == 'msvc'
 895     pre_args += [
 896       '-DVC_EXTRALEAN',
 897       '-D_CRT_SECURE_NO_WARNINGS',
 898       '-D_CRT_SECURE_NO_DEPRECATE',
 899       '-D_SCL_SECURE_NO_WARNINGS',
 900       '-D_SCL_SECURE_NO_DEPRECATE',
 901       '-D_ALLOW_KEYWORD_MACROS',
 902       '-D_HAS_EXCEPTIONS=0', # Tell C++ STL to not use exceptions
 903     ]
 904   else
 905     pre_args += ['-D__MSVCRT_VERSION__=0x0700']
 906   endif
 907 endif
 908
 909 # Check for generic C arguments
 910 c_args = []
 911 c_vis_args = []
 912 c_msvc_compat_args = []
 913 no_override_init_args = []
 914 cpp_args = []
 915 cpp_vis_args = []
 916 cpp_msvc_compat_args = []
 917 if cc.get_id() == 'msvc'
 918   foreach a : ['/wd4018',  # signed/unsigned mismatch
 919                '/wd4056',  # overflow in floating-point constant arithmetic
 920                '/wd4244',  # conversion from 'type1' to 'type2', possible loss of data
 921                '/wd4267',  # 'var' : conversion from 'size_t' to 'type', possible loss of data
 922                '/wd4305',  # trancation from 'type1' to 'type2'
 923                '/wd4351',  # new behavior: elements of array 'array' will be default initialized
 924                '/wd4756',  # overflow in constant arithmetic
 925                '/wd4800',  # forcing value to bool 'true' or 'false' (performance warning)
 926                '/wd4996',  # disabled deprecated POSIX name warnings
 927                '/wd4291']  # no matching operator delete found
 928     if cc.has_argument(a)
 929       c_args += a
 930     endif
 931     if cpp.has_argument(a)
 932       cpp_args += a
 933     endif
 934   endforeach
 935   if cc.has_argument('-Wmicrosoft-enum-value')  # Clang
 936     c_args += '-Wno-microsoft-enum-value'
 937     cpp_args += '-Wno-microsoft-enum-value'
 938   endif
 939 else
 940   _trial = [
 941     '-Werror=implicit-function-declaration',
 942     '-Werror=missing-prototypes',
 943     '-Werror=return-type',
 944     '-Werror=incompatible-pointer-types',
 945     '-Wno-missing-field-initializers',
 946     '-Wno-format-truncation',
 947     '-fno-math-errno',
 948     '-fno-trapping-math',
 949     '-Qunused-arguments',
 950   ]
 951   # MinGW chokes on format specifiers and I can't get it all working
 952   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 953     _trial += ['-Werror=format', '-Wformat-security']
 954   endif
 955   foreach a : _trial
 956     if cc.has_argument(a)
 957       c_args += a
 958     endif
 959   endforeach
 960
 961   _trial = [
 962     '-Werror=return-type',
 963     '-Wno-non-virtual-dtor',
 964     '-Wno-missing-field-initializers',
 965     '-Wno-format-truncation',
 966     '-fno-math-errno',
 967     '-fno-trapping-math',
 968     '-Qunused-arguments',
 969   ]
 970   # MinGW chokes on format specifiers and I can't get it all working
 971   if not (cc.get_id() == 'gcc' and host_machine.system() == 'windows')
 972     _trial += ['-Werror=format', '-Wformat-security']
 973   endif
 974   foreach a : _trial
 975     if cpp.has_argument(a)
 976       cpp_args += a
 977     endif
 978   endforeach
 979
 980   foreach a : ['-Wno-override-init', '-Wno-initializer-overrides']
 981     if cc.has_argument(a)
 982       no_override_init_args += a
 983     endif
 984   endforeach
 985
 986   if cc.has_argument('-fvisibility=hidden')
 987     c_vis_args += '-fvisibility=hidden'
 988   endif
 989
 990   # Check for C and C++ arguments for MSVC2013 compatibility. These are only
 991   # used in parts of the mesa code base that need to compile with old versions
 992   # of MSVC, mainly common code
 993   foreach a : ['-Werror=pointer-arith', '-Werror=vla']
 994     if cc.has_argument(a)
 995       c_msvc_compat_args += a
 996     endif
 997     if cpp.has_argument(a)
 998       cpp_msvc_compat_args += a
 999     endif
1000   endforeach
1001
1002   if cpp.has_argument('-fvisibility=hidden')
1003     cpp_vis_args += '-fvisibility=hidden'
1004   endif
1005
1006 endif
1007
1008 # set linker arguments
1009 if host_machine.system() == 'windows'
1010   if cc.get_id() == 'msvc'
1011     add_project_link_arguments(
1012       '/fixed:no',
1013       '/incremental:no',
1014       '/dynamicbase',
1015       '/nxcompat',
1016       language : ['c', 'cpp'],
1017     )
1018   else
1019     add_project_link_arguments(
1020       '-Wl,--nxcompat',
1021       '-Wl,--dynamicbase',
1022       '-static-libgcc',
1023       '-static-libstdc++',
1024       language : ['c', 'cpp'],
1025     )
1026   endif
1027 endif
1028
1029 if host_machine.cpu_family().startswith('x86') and cc.get_id() != 'msvc'
1030   pre_args += '-DUSE_SSE41'
1031   with_sse41 = true
1032   sse41_args = ['-msse4.1']
1033
1034   # GCC on x86 (not x86_64) with -msse* assumes a 16 byte aligned stack, but
1035   # that's not guaranteed
1036   if host_machine.cpu_family() == 'x86'
1037     sse41_args += '-mstackrealign'
1038   endif
1039 else
1040   with_sse41 = false
1041   sse41_args = []
1042 endif
1043
1044 # Check for GCC style atomics
1045 dep_atomic = null_dep
1046
1047 if cc.compiles('''#include <stdint.h>
1048                   int main() {
1049                     struct {
1050                       uint64_t *v;
1051                     } x;
1052                     return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1053                            (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1054
1055                   }''',
1056                name : 'GCC atomic builtins')
1057   pre_args += '-DUSE_GCC_ATOMIC_BUILTINS'
1058
1059   # Not all atomic calls can be turned into lock-free instructions, in which
1060   # GCC will make calls into the libatomic library. Check whether we need to
1061   # link with -latomic.
1062   #
1063   # This can happen for 64-bit atomic operations on 32-bit architectures such
1064   # as ARM.
1065   if not cc.links('''#include <stdint.h>
1066                      int main() {
1067                        struct {
1068                          uint64_t *v;
1069                        } x;
1070                        return (int)__atomic_load_n(x.v, __ATOMIC_ACQUIRE) &
1071                               (int)__atomic_add_fetch(x.v, (uint64_t)1, __ATOMIC_ACQ_REL);
1072                      }''',
1073                   name : 'GCC atomic builtins required -latomic')
1074     dep_atomic = cc.find_library('atomic')
1075   endif
1076 endif
1077 if not cc.links('''#include <stdint.h>
1078                    uint64_t v;
1079                    int main() {
1080                      return __sync_add_and_fetch(&v, (uint64_t)1);
1081                    }''',
1082                 dependencies : dep_atomic,
1083                 name : 'GCC 64bit atomics')
1084   pre_args += '-DMISSING_64BIT_ATOMICS'
1085 endif
1086
1087 dep_ws2_32 = cc.find_library('ws2_32', required : with_platform_windows)
1088
1089 # TODO: shared/static? Is this even worth doing?
1090
1091 with_asm_arch = ''
1092 if host_machine.cpu_family() == 'x86'
1093   if system_has_kms_drm or host_machine.system() == 'gnu'
1094     with_asm_arch = 'x86'
1095     pre_args += ['-DUSE_X86_ASM', '-DUSE_MMX_ASM', '-DUSE_3DNOW_ASM',
1096                  '-DUSE_SSE_ASM']
1097
1098     if with_glx_read_only_text
1099       pre_args += ['-DGLX_X86_READONLY_TEXT']
1100     endif
1101   endif
1102 elif host_machine.cpu_family() == 'x86_64'
1103   if system_has_kms_drm
1104     with_asm_arch = 'x86_64'
1105     pre_args += ['-DUSE_X86_64_ASM']
1106   endif
1107 elif host_machine.cpu_family() == 'arm'
1108   if system_has_kms_drm
1109     with_asm_arch = 'arm'
1110     pre_args += ['-DUSE_ARM_ASM']
1111   endif
1112 elif host_machine.cpu_family() == 'aarch64'
1113   if system_has_kms_drm
1114     with_asm_arch = 'aarch64'
1115     pre_args += ['-DUSE_AARCH64_ASM']
1116   endif
1117 elif host_machine.cpu_family() == 'sparc64'
1118   if system_has_kms_drm
1119     with_asm_arch = 'sparc'
1120     pre_args += ['-DUSE_SPARC_ASM']
1121   endif
1122 elif host_machine.cpu_family().startswith('ppc64') and host_machine.endian() == 'little'
1123   if system_has_kms_drm
1124     with_asm_arch = 'ppc64le'
1125     pre_args += ['-DUSE_PPC64LE_ASM']
1126   endif
1127 endif
1128
1129 # Check for standard headers and functions
1130 if (cc.has_header_symbol('sys/sysmacros.h', 'major') and
1131   cc.has_header_symbol('sys/sysmacros.h', 'minor') and
1132   cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
1133   pre_args += '-DMAJOR_IN_SYSMACROS'
1134 endif
1135 if (cc.has_header_symbol('sys/mkdev.h', 'major') and
1136   cc.has_header_symbol('sys/mkdev.h', 'minor') and
1137   cc.has_header_symbol('sys/mkdev.h', 'makedev'))
1138   pre_args += '-DMAJOR_IN_MKDEV'
1139 endif
1140
1141 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
1142   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
1143     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
1144   endif
1145 endforeach
1146
1147 foreach f : ['strtof', 'mkostemp', 'timespec_get', 'memfd_create', 'random_r']
1148   if cc.has_function(f)
1149     pre_args += '-DHAVE_@0@'.format(f.to_upper())
1150   endif
1151 endforeach
1152
1153 if cc.has_header_symbol('errno.h', 'program_invocation_name',
1154                         args : '-D_GNU_SOURCE')
1155    pre_args += '-DHAVE_PROGRAM_INVOCATION_NAME'
1156 elif with_tools.contains('intel')
1157   error('Intel tools require the program_invocation_name variable')
1158 endif
1159
1160 # MinGW provides a __builtin_posix_memalign function, but not a posix_memalign.
1161 # This means that this check will succeed, but then compilation will later
1162 # fail. MSVC doesn't have this function at all, so only check for it on
1163 # non-windows platforms.
1164 if host_machine.system() != 'windows'
1165   if cc.has_function('posix_memalign')
1166     pre_args += '-DHAVE_POSIX_MEMALIGN'
1167   endif
1168 endif
1169
1170 # strtod locale support
1171 if cc.links('''
1172     #define _GNU_SOURCE
1173     #include <stdlib.h>
1174     #include <locale.h>
1175     #ifdef HAVE_XLOCALE_H
1176     #include <xlocale.h>
1177     #endif
1178     int main() {
1179       locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
1180       const char *s = "1.0";
1181       char *end;
1182       double d = strtod_l(s, end, loc);
1183       float f = strtof_l(s, end, loc);
1184       freelocale(loc);
1185       return 0;
1186     }''',
1187     args : pre_args,
1188     name : 'strtod has locale support')
1189   pre_args += '-DHAVE_STRTOD_L'
1190 endif
1191
1192 # Check for some linker flags
1193 ld_args_bsymbolic = []
1194 if cc.links('int main() { return 0; }', args : '-Wl,-Bsymbolic', name : 'Bsymbolic')
1195   ld_args_bsymbolic += '-Wl,-Bsymbolic'
1196 endif
1197 ld_args_gc_sections = []
1198 if cc.links('static char unused() { return 5; } int main() { return 0; }',
1199             args : '-Wl,--gc-sections', name : 'gc-sections')
1200   ld_args_gc_sections += '-Wl,--gc-sections'
1201 endif
1202 with_ld_version_script = false
1203 if cc.links('int main() { return 0; }',
1204             args : '-Wl,--version-script=@0@'.format(
1205               join_paths(meson.source_root(), 'build-support/conftest.map')),
1206             name : 'version-script')
1207   with_ld_version_script = true
1208 endif
1209 with_ld_dynamic_list = false
1210 if cc.links('int main() { return 0; }',
1211             args : '-Wl,--dynamic-list=@0@'.format(
1212               join_paths(meson.source_root(), 'build-support/conftest.dyn')),
1213             name : 'dynamic-list')
1214   with_ld_dynamic_list = true
1215 endif
1216
1217 ld_args_build_id = cc.get_supported_link_arguments('-Wl,--build-id=sha1')
1218
1219 # check for dl support
1220 dep_dl = null_dep
1221 if host_machine.system() != 'windows'
1222   if not cc.has_function('dlopen')
1223     dep_dl = cc.find_library('dl')
1224   endif
1225   if cc.has_function('dladdr', dependencies : dep_dl)
1226     # This is really only required for megadrivers
1227     pre_args += '-DHAVE_DLADDR'
1228   endif
1229 endif
1230
1231 if cc.has_function('dl_iterate_phdr')
1232   pre_args += '-DHAVE_DL_ITERATE_PHDR'
1233 elif with_intel_vk
1234   error('Intel "Anvil" Vulkan driver requires the dl_iterate_phdr function')
1235 elif with_dri_i965 and with_shader_cache
1236   error('Intel i965 GL driver requires dl_iterate_phdr when built with shader caching.')
1237 endif
1238
1239 # Determine whether or not the rt library is needed for time functions
1240 if host_machine.system() == 'windows' or cc.has_function('clock_gettime')
1241   dep_clock = null_dep
1242 else
1243   dep_clock = cc.find_library('rt')
1244 endif
1245
1246 # TODO: some of these may be conditional
1247 dep_zlib = dependency('zlib', version : '>= 1.2.3', fallback : ['zlib', 'zlib_dep'])
1248 pre_args += '-DHAVE_ZLIB'
1249 dep_thread = dependency('threads')
1250 if dep_thread.found() and host_machine.system() != 'windows'
1251   pre_args += '-DHAVE_PTHREAD'
1252   if cc.has_function(
1253       'pthread_setaffinity_np',
1254       dependencies : dep_thread,
1255       prefix : '#include <pthread.h>',
1256       args : '-D_GNU_SOURCE')
1257     pre_args += '-DHAVE_PTHREAD_SETAFFINITY'
1258   endif
1259   if cc.has_function(
1260       'pthread_setaffinity_np',
1261       dependencies : dep_thread,
1262       prefix : '#include <pthread_np.h>')
1263     pre_args += '-DPTHREAD_SETAFFINITY_IN_NP_HEADER'
1264   endif
1265 endif
1266 dep_expat = dependency('expat', fallback : ['expat', 'expat_dep'])
1267 # this only exists on linux so either this is linux and it will be found, or
1268 # it's not linux and wont
1269 dep_m = cc.find_library('m', required : false)
1270
1271 # Check for libdrm. Various drivers have different libdrm version requirements,
1272 # but we always want to use the same version for all libdrm modules. That means
1273 # even if driver foo requires 2.4.0 and driver bar requires 2.4.3, if foo and
1274 # bar are both on use 2.4.3 for both of them
1275 dep_libdrm_amdgpu = null_dep
1276 dep_libdrm_radeon = null_dep
1277 dep_libdrm_nouveau = null_dep
1278 dep_libdrm_intel = null_dep
1279
1280 _drm_amdgpu_ver = '2.4.99'
1281 _drm_radeon_ver = '2.4.71'
1282 _drm_nouveau_ver = '2.4.66'
1283 _drm_intel_ver = '2.4.75'
1284 _drm_ver = '2.4.81'
1285
1286 _libdrm_checks = [
1287   ['intel', with_dri_i915 or with_gallium_i915],
1288   ['amdgpu', with_amd_vk or with_gallium_radeonsi],
1289   ['radeon', (with_gallium_radeonsi or with_dri_r100 or with_dri_r200 or
1290               with_gallium_r300 or with_gallium_r600)],
1291   ['nouveau', (with_gallium_nouveau or with_dri_nouveau)],
1292 ]
1293
1294 # VC4 only needs core libdrm support of this version, not a libdrm_vc4
1295 # library.
1296 if with_gallium_vc4
1297   _drm_ver = '2.4.89'
1298 endif
1299
1300 # etnaviv only needs core libdrm
1301 if with_gallium_etnaviv
1302   _drm_ver = '2.4.89'
1303 endif
1304
1305 # Loop over the enables versions and get the highest libdrm requirement for all
1306 # active drivers.
1307 _drm_blame = ''
1308 foreach d : _libdrm_checks
1309   ver = get_variable('_drm_@0@_ver'.format(d[0]))
1310   if d[1] and ver.version_compare('>' + _drm_ver)
1311     _drm_ver = ver
1312     _drm_blame = d[0]
1313   endif
1314 endforeach
1315 if _drm_blame != ''
1316   message('libdrm @0@ needed because @1@ has the highest requirement'.format(_drm_ver, _drm_blame))
1317 endif
1318
1319 # Then get each libdrm module
1320 foreach d : _libdrm_checks
1321   if d[1]
1322     set_variable(
1323       'dep_libdrm_' + d[0],
1324       dependency('libdrm_' + d[0], version : '>=' + _drm_ver)
1325     )
1326   endif
1327 endforeach
1328
1329 with_gallium_drisw_kms = false
1330 dep_libdrm = dependency(
1331   'libdrm', version : '>=' + _drm_ver,
1332   required : with_dri2 or with_dri3
1333 )
1334 if dep_libdrm.found()
1335   pre_args += '-DHAVE_LIBDRM'
1336   if with_dri_platform == 'drm' and with_dri
1337     with_gallium_drisw_kms = true
1338   endif
1339 endif
1340
1341 llvm_modules = ['bitwriter', 'engine', 'mcdisassembler', 'mcjit']
1342 llvm_optional_modules = ['coroutines']
1343 if with_amd_vk or with_gallium_radeonsi or with_gallium_r600
1344   llvm_modules += ['amdgpu', 'native', 'bitreader', 'ipo']
1345   if with_gallium_r600
1346     llvm_modules += 'asmparser'
1347   endif
1348 endif
1349 if with_gallium_opencl
1350   llvm_modules += [
1351     'all-targets', 'linker', 'coverage', 'instrumentation', 'ipo', 'irreader',
1352     'lto', 'option', 'objcarcopts', 'profiledata',
1353   ]
1354 endif
1355
1356 if with_amd_vk or with_gallium_radeonsi
1357   _llvm_version = '>= 8.0.0'
1358 elif with_gallium_swr
1359   _llvm_version = '>= 6.0.0'
1360 else
1361   _llvm_version = '>= 3.9.0'
1362 endif
1363
1364 _shared_llvm = get_option('shared-llvm')
1365
1366 _llvm = get_option('llvm')
1367 dep_llvm = null_dep
1368 with_llvm = false
1369 if _llvm != 'false'
1370   dep_llvm = dependency(
1371     'llvm',
1372     version : _llvm_version,
1373     modules : llvm_modules,
1374     optional_modules : llvm_optional_modules,
1375     required : (
1376       with_amd_vk or with_gallium_radeonsi or with_gallium_swr or
1377       with_gallium_opencl or _llvm == 'true'
1378     ),
1379     static : not _shared_llvm,
1380     method : 'config-tool',
1381   )
1382   with_llvm = dep_llvm.found()
1383 endif
1384 if with_llvm
1385   pre_args += '-DLLVM_AVAILABLE'
1386   pre_args += '-DMESA_LLVM_VERSION_STRING="@0@"'.format(dep_llvm.version())
1387
1388   # LLVM can be built without rtti, turning off rtti changes the ABI of C++
1389   # programs, so we need to build all C++ code in mesa without rtti as well to
1390   # ensure that linking works.
1391   if dep_llvm.get_configtool_variable('has-rtti') == 'NO'
1392     if with_gallium_nouveau
1393       error('The Nouveau driver requires rtti. You either need to turn off nouveau or use an LLVM built with LLVM_ENABLE_RTTI.')
1394     elif with_gallium_opencl
1395       error('The Clover OpenCL state tracker requires rtti, you need to turn off clover or use an LLVM built with LLVM_ENABLE_RTTI.')
1396     endif
1397     if cc.get_id() == 'msvc'
1398       cpp_args += '/GR-'
1399     else
1400       cpp_args += '-fno-rtti'
1401     endif
1402   endif
1403 elif with_amd_vk or with_gallium_radeonsi or with_gallium_swr
1404   error('The following drivers require LLVM: Radv, RadeonSI, SWR. One of these is enabled, but LLVM is disabled.')
1405 elif with_gallium_opencl
1406   error('The OpenCL "Clover" state tracker requires LLVM, but LLVM is disabled.')
1407 endif
1408
1409 if (with_amd_vk or with_gallium_radeonsi or with_gallium_opencl or
1410     (with_gallium_r600 and with_llvm))
1411   dep_elf = dependency('libelf', required : false)
1412   if not dep_elf.found()
1413     dep_elf = cc.find_library('elf')
1414   endif
1415 else
1416   dep_elf = null_dep
1417 endif
1418
1419 dep_glvnd = null_dep
1420 glvnd_has_headers_and_pc_files = false
1421 if with_glvnd
1422   dep_glvnd = dependency('libglvnd', version : '>= 0.2.0')
1423   # GLVND before 1.2 was missing its pkg-config and header files, forcing every
1424   # vendor to provide them and the distro maintainers to resolve the conflict.
1425   glvnd_has_headers_and_pc_files = dep_glvnd.version().version_compare('>= 1.2.0')
1426   pre_args += '-DUSE_LIBGLVND=1'
1427 endif
1428
1429 if with_valgrind != 'false'
1430   dep_valgrind = dependency('valgrind', required : with_valgrind == 'true')
1431   if dep_valgrind.found()
1432     pre_args += '-DHAVE_VALGRIND'
1433   endif
1434 else
1435   dep_valgrind = null_dep
1436 endif
1437
1438 # pthread stubs. Lets not and say we didn't
1439
1440 if host_machine.system() == 'windows'
1441   # Prefer the winflexbison versions, they're much easier to install and have
1442   # better windows support.
1443
1444   prog_flex = find_program('win_flex', required : false)
1445   if prog_flex.found()
1446     # windows compatibility (uses <io.h> instead of <unistd.h> and _isatty,
1447     # _fileno functions)
1448     prog_flex = [prog_flex, '--wincompat']
1449   else
1450     prog_flex = [find_program('lex', 'flex', required : with_any_opengl)]
1451   endif
1452   # Force flex to use const keyword in prototypes, as relies on __cplusplus or
1453   # __STDC__ macro to determine whether it's safe to use const keyword, but
1454   # MSVC never defines __STDC__ unless we disable all MSVC extensions.
1455   prog_flex += '-DYY_USE_CONST='
1456
1457   prog_bison = find_program('win_bison', required : false)
1458   if not prog_bison.found()
1459     prog_bison = find_program('yacc', 'bison', required : with_any_opengl)
1460   endif
1461 else
1462   prog_bison = find_program('bison', required : with_any_opengl)
1463   prog_flex = find_program('flex', required : with_any_opengl)
1464 endif
1465
1466 dep_selinux = null_dep
1467 if get_option('selinux')
1468   dep_selinux = dependency('libselinux')
1469   pre_args += '-DMESA_SELINUX'
1470 endif
1471
1472 if with_libunwind != 'false'
1473   dep_unwind = dependency('libunwind', required : with_libunwind == 'true')
1474   if dep_unwind.found()
1475     pre_args += '-DHAVE_LIBUNWIND'
1476   endif
1477 else
1478   dep_unwind = null_dep
1479 endif
1480
1481 if with_osmesa != 'none'
1482   if with_osmesa == 'gallium' and not with_gallium_softpipe
1483     error('OSMesa gallium requires gallium softpipe or llvmpipe.')
1484   endif
1485   if host_machine.system() == 'windows'
1486     osmesa_lib_name = 'osmesa'
1487   else
1488     osmesa_lib_name = 'OSMesa'
1489   endif
1490   osmesa_bits = get_option('osmesa-bits')
1491   if osmesa_bits != '8'
1492     if with_dri or with_glx != 'disabled'
1493       error('OSMesa bits must be 8 if building glx or dir based drivers')
1494     endif
1495     osmesa_lib_name = osmesa_lib_name + osmesa_bits
1496     pre_args += [
1497       '-DCHAN_BITS=@0@'.format(osmesa_bits), '-DDEFAULT_SOFTWARE_DEPTH_BITS=31'
1498     ]
1499   endif
1500 endif
1501
1502 # TODO: symbol mangling
1503
1504 if with_platform_wayland
1505   dep_wl_scanner = dependency('wayland-scanner', native: true)
1506   prog_wl_scanner = find_program(dep_wl_scanner.get_pkgconfig_variable('wayland_scanner'))
1507   if dep_wl_scanner.version().version_compare('>= 1.15')
1508     wl_scanner_arg = 'private-code'
1509   else
1510     wl_scanner_arg = 'code'
1511   endif
1512   dep_wl_protocols = dependency('wayland-protocols', version : '>= 1.8')
1513   dep_wayland_client = dependency('wayland-client', version : '>=1.11')
1514   dep_wayland_server = dependency('wayland-server', version : '>=1.11')
1515   if with_egl
1516     dep_wayland_egl = dependency('wayland-egl-backend', version : '>= 3')
1517     dep_wayland_egl_headers = declare_dependency(
1518       compile_args : run_command(prog_pkgconfig, ['wayland-egl-backend', '--cflags']).stdout().split())
1519   endif
1520   wayland_dmabuf_xml = join_paths(
1521     dep_wl_protocols.get_pkgconfig_variable('pkgdatadir'), 'unstable',
1522     'linux-dmabuf', 'linux-dmabuf-unstable-v1.xml'
1523   )
1524   pre_args += ['-DHAVE_WAYLAND_PLATFORM', '-DWL_HIDE_DEPRECATED']
1525 endif
1526
1527 dep_x11 = null_dep
1528 dep_xext = null_dep
1529 dep_xdamage = null_dep
1530 dep_xfixes = null_dep
1531 dep_x11_xcb = null_dep
1532 dep_xcb = null_dep
1533 dep_xcb_glx = null_dep
1534 dep_xcb_dri2 = null_dep
1535 dep_xcb_dri3 = null_dep
1536 dep_dri2proto = null_dep
1537 dep_glproto = null_dep
1538 dep_xxf86vm = null_dep
1539 dep_xcb_dri3 = null_dep
1540 dep_xcb_present = null_dep
1541 dep_xcb_sync = null_dep
1542 dep_xcb_xfixes = null_dep
1543 dep_xshmfence = null_dep
1544 dep_xcb_xrandr = null_dep
1545 dep_xlib_xrandr = null_dep
1546 if with_platform_x11
1547   if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1548     dep_x11 = dependency('x11')
1549     dep_xext = dependency('xext')
1550     dep_xcb = dependency('xcb')
1551   elif with_glx == 'dri'
1552     dep_x11 = dependency('x11')
1553     dep_xext = dependency('xext')
1554     dep_xdamage = dependency('xdamage', version : '>= 1.1')
1555     dep_xfixes = dependency('xfixes')
1556     dep_xcb_glx = dependency('xcb-glx', version : '>= 1.8.1')
1557   endif
1558   if (with_any_vk or with_glx == 'dri' or with_egl or
1559        (with_gallium_vdpau or with_gallium_xvmc or with_gallium_va or
1560         with_gallium_omx != 'disabled'))
1561     dep_xcb = dependency('xcb')
1562     dep_x11_xcb = dependency('x11-xcb')
1563     if with_dri_platform == 'drm' and not dep_libdrm.found()
1564       error('libdrm required for gallium video statetrackers when using x11')
1565     endif
1566   endif
1567   if with_any_vk or with_egl or (with_glx == 'dri' and with_dri_platform == 'drm')
1568     dep_xcb_dri2 = dependency('xcb-dri2', version : '>= 1.8')
1569
1570     if with_dri3
1571       pre_args += '-DHAVE_DRI3'
1572       dep_xcb_dri3 = dependency('xcb-dri3')
1573       dep_xcb_present = dependency('xcb-present')
1574       # until xcb-dri3 has been around long enough to make a hard-dependency:
1575       if (dep_xcb_dri3.version().version_compare('>= 1.13') and
1576           dep_xcb_present.version().version_compare('>= 1.13'))
1577         pre_args += '-DHAVE_DRI3_MODIFIERS'
1578       endif
1579       dep_xcb_sync = dependency('xcb-sync')
1580       dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
1581     endif
1582   endif
1583   if with_glx == 'dri' or with_glx == 'gallium-xlib'
1584     dep_glproto = dependency('glproto', version : '>= 1.4.14')
1585   endif
1586   if with_glx == 'dri'
1587     if with_dri_platform == 'drm'
1588       dep_dri2proto = dependency('dri2proto', version : '>= 2.8')
1589       dep_xxf86vm = dependency('xxf86vm')
1590     endif
1591   endif
1592   if (with_egl or (
1593       with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
1594       with_gallium_omx != 'disabled'))
1595     dep_xcb_xfixes = dependency('xcb-xfixes')
1596   endif
1597   if with_xlib_lease
1598     dep_xcb_xrandr = dependency('xcb-randr')
1599     dep_xlib_xrandr = dependency('xrandr', version : '>= 1.3')
1600   endif
1601 endif
1602
1603 if get_option('gallium-extra-hud')
1604   pre_args += '-DHAVE_GALLIUM_EXTRA_HUD=1'
1605 endif
1606
1607 _sensors = get_option('lmsensors')
1608 if _sensors != 'false'
1609   dep_lmsensors = cc.find_library('sensors', required : _sensors == 'true')
1610   if dep_lmsensors.found()
1611     pre_args += '-DHAVE_LIBSENSORS=1'
1612   endif
1613 else
1614   dep_lmsensors = null_dep
1615 endif
1616
1617 foreach a : pre_args
1618   add_project_arguments(a, language : ['c', 'cpp'])
1619 endforeach
1620 foreach a : c_args
1621   add_project_arguments(a, language : ['c'])
1622 endforeach
1623 foreach a : cpp_args
1624   add_project_arguments(a, language : ['cpp'])
1625 endforeach
1626
1627 gl_priv_reqs = []
1628
1629 if with_glx == 'xlib' or with_glx == 'gallium-xlib'
1630   gl_priv_reqs += ['x11', 'xext', 'xcb']
1631 elif with_glx == 'dri'
1632   gl_priv_reqs += [
1633     'x11', 'xext', 'xdamage >= 1.1', 'xfixes', 'x11-xcb', 'xcb',
1634     'xcb-glx >= 1.8.1']
1635   if with_dri_platform == 'drm'
1636     gl_priv_reqs += 'xcb-dri2 >= 1.8'
1637     gl_priv_reqs += 'xxf86vm'
1638   endif
1639 endif
1640 if dep_libdrm.found()
1641   gl_priv_reqs += 'libdrm >= 2.4.75'
1642 endif
1643
1644 gl_priv_libs = []
1645 if dep_thread.found()
1646   gl_priv_libs += ['-lpthread', '-pthread']
1647 endif
1648 if dep_m.found()
1649   gl_priv_libs += '-lm'
1650 endif
1651 if dep_dl.found()
1652   gl_priv_libs += '-ldl'
1653 endif
1654
1655 pkg = import('pkgconfig')
1656
1657 prog_nm = find_program('nm', required : false)
1658
1659 # This quirk needs to be applied to sources with functions defined in assembly
1660 # as GCC LTO drops them. See: https://bugs.freedesktop.org/show_bug.cgi?id=109391
1661 gcc_lto_quirk = (cc.get_id() == 'gcc') ? ['-fno-lto'] : []
1662
1663 subdir('include')
1664 subdir('bin')
1665 subdir('src')
1666
1667 # Meson 0.49 and earlier seems to have a bug that fails to evaluate the string-
1668 # formatting below unless the first argument is passed as a variable. This has
1669 # been fixed in Meson 0.50 and beyond, but we need to keep it like this for now
1670 # for backwards compatibility.
1671 _with_opengl_string = with_opengl ? 'yes' : 'no'
1672
1673 lines = ['',
1674   'prefix:          ' + get_option('prefix'),
1675   'libdir:          ' + get_option('libdir'),
1676   'includedir:      ' + get_option('includedir'),
1677   '',
1678   'OpenGL:          @0@ (ES1: @1@ ES2: @2@)'.format(_with_opengl_string,
1679                                                     with_gles1 ? 'yes' : 'no',
1680                                                     with_gles2 ? 'yes' : 'no'),
1681 ]
1682
1683 if with_osmesa != 'none'
1684   lines += ''
1685   suffix = ''
1686   if with_osmesa == 'gallium'
1687     suffix = '(Gallium)'
1688   endif
1689   lines += 'OSMesa:          lib' + osmesa_lib_name + suffix
1690 else
1691   lines += 'OSMesa:          no'
1692 endif
1693
1694 if with_dri
1695   lines += ''
1696   lines += 'DRI platform:    ' + with_dri_platform
1697   if dri_drivers.length() != 0 and dri_drivers != ['']
1698     lines += 'DRI drivers:     ' + ' '.join(dri_drivers)
1699   else
1700     lines += 'DRI drivers:     no'
1701   endif
1702   lines += 'DRI driver dir:  ' + dri_drivers_path
1703 endif
1704
1705 if with_glx != 'disabled'
1706   lines += ''
1707   if with_glx == 'dri'
1708     lines += 'GLX:             DRI-based'
1709   elif with_glx == 'xlib'
1710     lines += 'GLX:             Xlib-based'
1711   elif with_glx == 'gallium-xlib'
1712     lines += 'GLX:             Xlib-based (Gallium)'
1713   else
1714     lines += 'GLX:             ' + with_glx
1715   endif
1716 endif
1717
1718 lines += ''
1719 lines += 'EGL:             ' + (with_egl ? 'yes' : 'no')
1720 if with_egl
1721   egl_drivers = []
1722   if with_dri
1723     egl_drivers += 'builtin:egl_dri2'
1724   endif
1725   if with_dri3
1726     egl_drivers += 'builtin:egl_dri3'
1727   endif
1728   lines += 'EGL drivers:     ' + ' '.join(egl_drivers)
1729 endif
1730 lines += 'GBM:             ' + (with_gbm ? 'yes' : 'no')
1731 if with_platforms
1732   lines += 'EGL/Vulkan/VL platforms:   ' + ' '.join(_platforms)
1733 endif
1734
1735 lines += ''
1736 if with_any_vk
1737   lines += 'Vulkan drivers:  ' + ' '.join(_vulkan_drivers)
1738   lines += 'Vulkan ICD dir:  ' + with_vulkan_icd_dir
1739 else
1740   lines += 'Vulkan drivers:  no'
1741 endif
1742
1743 lines += ''
1744 if with_llvm
1745   lines += 'llvm:            yes'
1746   lines += 'llvm-version:    ' + dep_llvm.version()
1747 else
1748   lines += 'llvm:            no'
1749 endif
1750
1751 lines += ''
1752 if with_gallium
1753   lines += 'Gallium drivers: ' + ' '.join(gallium_drivers)
1754   gallium_st = ['mesa']
1755   if with_gallium_xa
1756     gallium_st += 'xa'
1757   endif
1758   if with_gallium_xvmc
1759     gallium_st += 'xvmc'
1760   endif
1761   if with_gallium_xvmc
1762     gallium_st += 'xvmc'
1763   endif
1764   if with_gallium_vdpau
1765     gallium_st += 'vdpau'
1766   endif
1767   if with_gallium_omx != 'disabled'
1768     gallium_st += 'omx' + with_gallium_omx
1769   endif
1770   if with_gallium_va
1771     gallium_st += 'va'
1772   endif
1773   if with_gallium_st_nine
1774     gallium_st += 'nine'
1775   endif
1776   if with_gallium_opencl
1777     gallium_st += 'clover'
1778   endif
1779   lines += 'Gallium st:      ' + ' '.join(gallium_st)
1780 else
1781   lines += 'Gallium:         no'
1782 endif
1783
1784 lines += 'HUD lmsensors:   ' + (dep_lmsensors.found() ? 'yes' : 'no')
1785
1786 lines += ''
1787 lines += 'Shared-glapi:    ' + (with_shared_glapi ? 'yes' : 'no')
1788
1789
1790 indent = '        '
1791 summary = indent + ('\n' + indent).join(lines)
1792 message('Configuration summary:\n@0@\n'.format(summary))